CN118962013B - A formaldehyde detection alarm device for indoor air detection - Google Patents
A formaldehyde detection alarm device for indoor air detection Download PDFInfo
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- CN118962013B CN118962013B CN202411036758.0A CN202411036758A CN118962013B CN 118962013 B CN118962013 B CN 118962013B CN 202411036758 A CN202411036758 A CN 202411036758A CN 118962013 B CN118962013 B CN 118962013B
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 192
- 238000001514 detection method Methods 0.000 title claims abstract description 106
- 238000005070 sampling Methods 0.000 claims abstract description 313
- 230000000712 assembly Effects 0.000 claims abstract 2
- 238000000429 assembly Methods 0.000 claims abstract 2
- 229920000742 Cotton Polymers 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 210000003437 trachea Anatomy 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000007306 turnover Effects 0.000 description 24
- 238000001914 filtration Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 241001677316 Austrocylindropuntia vestita Species 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of air detection, in particular to a formaldehyde detection alarm device for indoor air detection, which comprises a base, wherein an upright post is fixedly arranged at the top of the base, a sampling upright post groove is formed in the top of the upright post downwards, a sampling upright post is arranged in the sampling upright post groove in a sliding manner up and down, a plurality of sampling pipe grooves are formed in the outer side surface of the sampling upright post, sampling pipes with hollow interiors are hinged at the bottom ends of the interiors of the sampling pipe grooves, sampling pipe overturning assemblies acting on the sampling pipes are arranged on the sampling upright post, two groups of sampling notch which are distributed up and down are penetrated on the outer side surface of each sampling pipe, a sampling height adjusting assembly capable of shielding one group of sampling notch is arranged on the outer side surface of the sampling pipe, and an alarm is arranged at the top of the sampling pipe. According to the invention, the air with the specified height can be sampled through the plurality of sampling pipes, the alarm can warn when the formaldehyde content exceeds the standard, and the single-point multi-point sampling assembly can realize the functions of sampling and detecting at single point or multiple points.
Description
Technical Field
The invention relates to the technical field of air detection, in particular to a formaldehyde detection alarm device for indoor air detection.
Background
The indoor air quality detection is a technical process of analysis and assay aiming at the condition that indoor air pollutants caused by indoor decoration and furniture addition exceed standard, formaldehyde is the most common indoor air pollutants, the formaldehyde is colorless gas and has pungent smell, houses can contain a large amount of formaldehyde after finishing the decoration, and the exceeding standard of the formaldehyde content can cause harm to the health of people, so that the content of indoor formaldehyde needs to be detected, and the current common formaldehyde detection tools are divided into two types of formaldehyde detection kits and formaldehyde detectors.
However, since the indoor furniture and other articles are different in placement positions, the formaldehyde content between each two positions is different (that is, the formaldehyde content in the air close to the furniture is higher than that in the open position, and the formaldehyde specific gravity is higher than that of the air, so that the formaldehyde content of the indoor lower layer is higher than that of the upper layer), when the two detection tools are used for detection, the two detection tools are usually placed at a certain fixed point for detection, and when the detection point is required to be changed, the positions of the detection tools are required to be moved to realize the detection operation of multiple points.
Therefore, when the existing formaldehyde detection tool is used, due to the fact that the existing formaldehyde detection tool lacks a multi-point sampling detection structure, the existing formaldehyde detection tool cannot automatically sample and detect different indoor points at the same time, the tool needs to be moved for many times to finish multi-point sampling detection, and a certain time is needed for each sampling, so that the whole operation time of indoor formaldehyde detection is long, the existing formaldehyde detection tool does not have the formaldehyde standard exceeding warning function, and whether the content of indoor formaldehyde exceeds the standard cannot be known rapidly for users who do not know national standards.
Accordingly, the present invention provides a formaldehyde detection alarm device for indoor air detection to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a formaldehyde detection alarm device for indoor air detection, so as to solve the problem that a formaldehyde detection tool in the prior art can only sample and detect at a single point position when in use.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The formaldehyde detection alarm device for indoor air detection comprises a base, wherein an upright post is fixedly arranged at the top of the base, a sampling upright post groove is formed in the top of the upright post downwards, a sampling upright post is arranged in the sampling upright post groove in a vertically sliding manner, a plurality of sampling pipe grooves are formed in the outer side face of the sampling upright post, each sampling pipe groove is hinged to the bottom end of the inner part of the sampling pipe groove, a sampling pipe overturning assembly acting on the plurality of sampling pipes is arranged on the sampling upright post, two groups of sampling notch which are distributed vertically penetrate through the outer side face of each sampling pipe, a sampling height adjusting assembly capable of shielding one group of sampling notch is arranged on the outer side face of each sampling pipe, and an alarm is arranged at the top of each sampling pipe;
the bottom of base has been seted up and has been detected the chamber, detect the intracavity and install a plurality of formaldehyde detectors, every formaldehyde detector is connected with respectively and detects the air-supply line, every detect the air-supply line on the formaldehyde detector with one of them be provided with sampling air-supply line subassembly between the sampling pipe, install the air-out subassembly on the lateral surface of stand bottom, a plurality of detect out the tuber pipe on the formaldehyde detector all with air-out subassembly is connected, rotate on the top surface of detecting the chamber and install the single-point multiple spot sampling subassembly that is located between a plurality of detection air-supply lines and the sampling air-supply line subassembly.
Preferably, a plurality of vertical column lifting grooves which are uniformly distributed in circumference and upwards penetrate through the top surface of the vertical column are formed in the inner side surface of the sampling vertical column groove, a plurality of baffle blocks are fixedly arranged at the top ends of the vertical column lifting grooves, a plurality of vertical column lifting blocks positioned in the vertical column lifting grooves are fixedly arranged at the bottom ends of the sampling vertical columns, a vertical column lifting motor is fixedly arranged at the top of one baffle block, and a rotating shaft of the vertical column lifting motor downwards penetrates through the vertical column lifting grooves and is coaxially and fixedly provided with a vertical column lifting screw rod in threaded fit with the vertical column lifting blocks.
Preferably, the sampling tube overturning assembly comprises a hinging seat, an overturning arc rack, an overturning worm, an overturning driving cavity, an overturning bevel gear, an overturning motor and a driving bevel gear;
Every equal fixed mounting has the articulated lever in the sampling tube groove, every the equal fixed mounting in bottom of sampling tube has with articulated lever normal running fit's articulated seat, every equal fixed mounting in the outside of articulated seat has upset arc rack, every the inside of sampling tube groove is all rotated and is installed the upset worm with upset arc rack meshing, the upset actuating chamber has been seted up to the bottom of sampling stand, every the axle of upset worm all runs through to the upset actuating intracavity to coaxial fixedly connected with upset bevel gear, install the upset motor in the upset actuating chamber, coaxial fixed mounting has the drive bevel gear with a plurality of upset bevel gear meshing in the axis of rotation of upset motor.
Preferably, the sampling height adjusting assembly comprises a sampling net cover, a sampling telescopic cylinder, a net cover pulling plate, a spring plate and a net cover spring;
The sampling screen is coaxially sleeved on the outer side face of the sampling pipe, sampling telescopic cylinders are fixedly installed on the outer side faces of the top end and the bottom end of the sampling pipe respectively, one ends, close to the sampling screen, of the sampling telescopic cylinders are fixedly connected with the sampling screen respectively, a screen pulling plate is fixedly installed on the outer side face of the sampling screen, a spring plate is fixedly installed on the outer side face of the top end of the sampling pipe, and a screen spring is fixedly installed between the screen pulling plate and the spring plate.
Preferably, the sampling height adjusting assembly further comprises a net cover pulling plate groove, a net cover pulling rope hole, a net cover rope shaft, a net cover pulling rope, a rope shaft lever and a net cover rope shaft motor;
Every mesh enclosure arm-tie groove has all been seted up on the inner wall of sampling tube groove, every mesh enclosure arm-tie groove all runs through the mesh enclosure rope hole between the upset drive chamber, the inside rotation in upset drive chamber is installed the mesh enclosure rope axle, the winding has a plurality of mesh enclosure stay cords on the mesh enclosure rope axle, every the mesh enclosure stay cord all passes one of them mesh enclosure rope hole to with the bottom fixed connection of one of them mesh enclosure arm-tie, the coaxial fixedly connected with in top of mesh enclosure rope axle upwards runs through the rope axostylus axostyle of sampling stand top surface, the top fixed mounting of sampling stand has the mesh enclosure rope axle motor of being connected with rope axostylus axostyle.
Preferably, the inside demountable installation of sampling pipe has the cotton pole of filtration, the outside fixed mounting of cotton pole of filtration has the sampling cotton of filtration that is located two sets of sampling notch below.
Preferably, two groups of low-altitude sampling grooves are distributed in the vertical direction between the outer side surface of the upright post and the sampling upright post grooves, and a protective cover positioned at the opening of the low-altitude sampling grooves is arranged on the outer side surface of the upright post.
Preferably, the sampling air inlet pipe assembly comprises a first air hole, a second air hole, a sampling air pipe and a lifting air pipe;
Each sampling pipe groove is provided with a first air hole in a penetrating mode between the bottom of the sampling pipe groove and the bottom surface of the sampling upright post, a plurality of second air holes in a penetrating mode between the sampling upright post groove and the detection cavity, each sampling pipe is fixedly connected with a sampling air pipe between the top ends of the sampling pipe and the first air holes below the sampling pipe, one of the sampling pipe grooves is fixedly connected with a lifting air pipe between the first air holes and one of the second air holes, and each detection air inlet pipe is connected with one of the second air holes.
Preferably, the air outlet assembly comprises an air outlet groove, an air outlet hole, an air outlet grille cover, an air outlet gear ring, air outlet fan blades, an air outlet motor and an air outlet gear;
The utility model discloses a stand, including stand bottom, stand, air-out grille cover, air-out gear, air-out motor, air-out grille cover and air-out gear, a plurality of air-out grooves that are circumference evenly distributed have been seted up on the lateral surface of stand bottom, every all run through between air-out groove and the detection chamber air-out gas pocket, and every air-out gas pocket all detects the tuber pipe with one of them and is connected, coaxial fixed mounting has the air-out grille cover on the lateral surface of the bottom of stand, rotate on the top surface in the air-out grille cover and install the air-out ring gear, a plurality of air-out flabellum that is circumference and distributes is installed to the bottom of air-out ring gear, the top fixed mounting of air-out grille cover has the air-out motor, the axis of rotation of air-out motor runs through to the inside of air-out grille cover and coaxial fixed mounting with the air-out ring gear meshing.
Preferably, the single-point multi-point sampling assembly comprises a switching turntable, a turntable air hole, a switching chute, a switching sliding block, a switching spring, a switching motor, a switching rope shaft, a switching pull rope and a turntable motor;
The detection cavity is characterized in that a switching turntable is rotatably arranged on the top surface of the detection cavity, a plurality of turntable air holes are formed between the upper side surface and the lower side surface of the switching turntable in a penetrating mode, the turntable air holes are used for communicating a second air hole with a detection air inlet pipe, switching sliding grooves facing to the axis of the switching turntable are formed in the side surfaces of the plurality of turntable air holes except one turntable air hole, each switching sliding groove is internally provided with a switching sliding block capable of blocking the turntable air hole in a sliding mode, a switching spring is fixedly arranged between one end, far away from the turntable air hole, of the switching sliding block and the switching sliding groove, a motor groove is formed in the middle of the bottom surface of the switching turntable, a switching motor is arranged on the middle of the bottom surface of the switching turntable, a switching rope shaft is coaxially and fixedly arranged on the rotating shaft of the switching motor, a plurality of switching pull ropes are wound on the switching rope shaft, the free ends of the switching pull ropes penetrate into the switching sliding grooves and are fixedly connected with the switching sliding grooves, a turntable motor is fixedly arranged in the middle of the bottom surface of the sampling upright groove, and the rotating shaft of the turntable motor penetrates downwards into the detection cavity and is fixedly connected with the switching turntable.
The beneficial effects of the invention are as follows:
1. The top of a plurality of sampling pipes can be enabled to be turned outwards simultaneously through the sampling pipe turning assembly, a plurality of sampling pipes can be located in different directions and at different heights for air sampling, sampling notches at different heights can be used for sampling air at different heights and detecting the air, the sampling height adjusting assembly capable of shielding one group of sampling notches is arranged on the outer side face of the sampling pipe, one group of sampling notches are shielded through the sampling height adjusting assembly, a plurality of sampling pipes can be used for sampling air at a specified height, an alarm is installed at the top of each sampling pipe, and if the formaldehyde content in detected air exceeds standard, the alarm is used for warning and reminding a user that the formaldehyde exceeds standard.
2. The air-out subassembly can drive a plurality of samplings and carry out the air sampling at the during operation, and the air of sampling can be through in the sampling air-supply line subassembly reachd the detection air-supply line to get into formaldehyde detector inside and detect, then the air after the detection can be through detecting out the tuber pipe exhaust, rotate on the top surface of detecting the chamber and install the single-point multi-point position sampling subassembly that is located between a plurality of detection air-supply lines and the sampling air-supply line subassembly, can realize detecting at single point position sampling through single-point multi-point position sampling subassembly, perhaps switch between the function that a plurality of point positions sampling detected simultaneously.
3. Can twine or release a plurality of screen panel stay cords simultaneously when the screen panel rope axle rotates, twine the time to a plurality of screen panel stay cords, can stimulate a plurality of screen panel arm-tie to drive a plurality of sampling screen panels and remove to the sampling notch of below, when releasing a plurality of screen panel stay cords, a plurality of screen panel arm-tie lose traction, a plurality of sampling screen panels can remove the reset at the sampling notch of screen panel spring below the elasticity of upper side, thereby realize sampling screen panel and switch between the sampling notch of two different co-altitude, realize the effect of sampling the air of co-altitude.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a perspective cross-sectional view of the present invention.
Fig. 3 is a top cross-sectional view of the column and sampling column of the present invention.
Fig. 4 is an enlarged view of the invention at a in fig. 2.
Fig. 5 is an enlarged view of the present invention at B in fig. 2.
Fig. 6 is a schematic perspective view of the invention after the sampling column is raised and the sampling tube is turned outwards.
FIG. 7 is a perspective cross-sectional view of the present invention with the sampling post raised and the sampling tube turned outward.
Fig. 8 is an enlarged view of the present invention at C in fig. 6.
Fig. 9 is an enlarged view of the invention at D in fig. 7.
Fig. 10 is an enlarged view of fig. 7 at E in accordance with the present invention.
Fig. 11 is an enlarged view of the invention at F in fig. 7.
Fig. 12 is an enlarged view of the present invention at G in fig. 11.
01, Alarm; 02, a low-altitude sampling groove; 03, protecting cover; 1, a base, 2, a stand column, 3, a sampling stand column groove, 4, a sampling stand column, 5, a sampling pipe groove, 6, a sampling pipe, 7, a sampling pipe overturning assembly, 8, a sampling notch, 9, a sampling height adjusting assembly, 10, a detection cavity, 11, a formaldehyde detector, 12, a detection air inlet pipe, 13, a detection air outlet pipe, 14, a sampling air inlet pipe assembly, 15, an air outlet assembly, 16, a single-point multi-point sampling assembly, 17, a stand column lifting groove, 18, a stop block, 19, a stand column lifting block, 20, a stand column lifting motor, 21, a stand column lifting screw rod, 22, a hinge seat, 23, an overturning arc rack, 24, an overturning worm, 25, an overturning driving cavity, 26, an overturning bevel gear, 27, an overturning motor, 28, a driving bevel gear, 29, a sampling net cover, 30, a sampling telescopic cylinder, 31, a pulling plate, 32, a spring plate, 33, a net cover spring, 34, a pulling plate groove, 35, a net cover pulling hole, 36, a net cover rope shaft, 37, a net cover, 38, ropes, 39, a rope shaft motor, a rope shaft motor, 40, a cotton filtering shaft, a cotton shaft, 41, a fan blade, a rotary disc, a fan, a rotary disc, a fan, a rotary disc, and air vent, a fan, and air vent, and air holes, respectively, wherein the air holes, and the air holes are respectively.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 12.
An embodiment I, as shown in fig. 1-12, a formaldehyde detection alarm device for indoor air detection, which comprises a base 1, wherein an upright post 2 is fixedly installed at the top of the base 1, wheels are installed at the bottom of the base 1 to facilitate movement, a sampling upright post groove 3 is formed downwards at the top of the upright post 2, a sampling upright post 4 is installed in the sampling upright post groove 3 in a sliding manner up and down, the sampling upright post 4 can rise upwards from the inside of the sampling upright post groove 3, a plurality of sampling tube grooves 5 are formed on the outer side surface of the sampling upright post 4, the number of the sampling tube grooves 5 in the embodiment is four, or can be set to other numbers, such as three or six, sampling tubes 6 with hollow inside are hinged at the bottom end inside each sampling tube groove 5, a sampling tube overturning assembly 7 for a plurality of sampling tubes 6 is arranged on the sampling upright post 4, the sampling tube overturning assembly 7 can enable the top ends of the sampling tubes 6 to overturn outwards simultaneously, so that the sampling tubes 6 can move to the position shown in the figure 6, and air sampling can be carried out at different positions and different heights, two groups of sampling notches 8 distributed up and down are penetrated on the outer side surface of each sampling tube 6, the sampling notches 8 of each group are three and uniformly distributed in circumference, the sampling notches 8 of different heights can sample and detect air of different heights, the outer side surface of the sampling tube 6 is provided with a sampling height adjusting assembly 9 capable of shielding one group of sampling notches 8, one group of sampling notches 8 is shielded by the sampling height adjusting assembly 9, so that the sampling tube can sample air of specified height, the top of the sampling tube 6 is provided with an alarm 01, when the formaldehyde content in the detected air exceeds the standard, the alarm 01 alarms to remind a user that the formaldehyde exceeds the standard;
The bottom of the base 1 is provided with a detection cavity 10, a plurality of formaldehyde detectors 11 are arranged in the detection cavity 10, the formaldehyde detectors 11 are all connected with a power supply and are electrically connected with an alarm 01, when formaldehyde exceeding standard is detected, the alarm 01 can be used for warning, each formaldehyde detector 11 is respectively connected with a detection air inlet pipe 12 and a detection air outlet pipe 13, a sampling air inlet pipe component 14 is arranged between the detection air inlet pipe 12 on each formaldehyde detector 11 and one of the sampling pipes 6, an air outlet component 15 is arranged on the outer side surface of the bottom end of the upright post 2, the detection air outlet pipes 13 on the formaldehyde detectors 11 are all connected with the air outlet component 15, the air-out subassembly 15 can drive a plurality of sampling pipes 6 and carry out the air sampling at the during operation, and the air of sampling can reach through sampling air-supply line subassembly 14 and detect in the air-supply line 12 to get into formaldehyde detector 11 inside and detect, then the air after detecting can be discharged through detecting out tuber pipe 13, rotate on the top surface of detecting chamber 10 and install the single-point multi-point position sampling subassembly 16 that is located between a plurality of detection air-supply lines 12 and the sampling air-supply line subassembly 14, can realize detecting at single-point position sampling through single-point multi-point position sampling subassembly 16, perhaps switch between the function that a plurality of point positions sampling detected simultaneously.
In the second embodiment, as shown in fig. 3, fig. 4 and fig. 10, on the basis of the first embodiment, a plurality of column lifting grooves 17 which are uniformly distributed in circumference and penetrate the top surface of the column 2 upwards are formed in the inner side surface of the sampling column groove 3, a plurality of stoppers 18 are fixedly mounted at the top ends of the column lifting grooves 17, a plurality of column lifting blocks 19 positioned in the column lifting grooves 17 are fixedly mounted at the bottom ends of the sampling column 4, a column lifting motor 20 is fixedly mounted at the top of one of the stoppers 18, the column lifting motor 20 is connected with a power supply and a controller, a rotating shaft of the column lifting motor 20 penetrates downwards into the column lifting grooves 17, and column lifting screw rods 21 in threaded fit with the column lifting blocks 19 are coaxially and fixedly mounted, when sampling detection is required, the column lifting motor 20 can be started to drive the column lifting screw rods 21 to rotate, so that the column lifting blocks 19 are driven to move upwards, the sampling column 4 can be lifted upwards from the inside the sampling column groove 3, and then sampling detection can be performed through the sampling tube 6.
In the third embodiment, as shown in fig. 5 and 10, the sampling tube turnover assembly 7 includes a hinge seat 22, a turnover arc rack 23, a turnover worm 24, a turnover driving cavity 25, a turnover bevel gear 26, a turnover motor 27, and a driving bevel gear 28;
A hinge rod is fixedly installed in each sampling tube groove 5, a hinge seat 22 which is in running fit with the hinge rod is fixedly installed at the bottom of each sampling tube 6, a turnover arc-shaped rack 23 is fixedly installed at the outer side of each hinge seat 22, a turnover worm 24 meshed with the turnover arc-shaped rack 23 is rotatably installed in each sampling tube groove 5, a turnover driving cavity 25 is formed at the bottom of each sampling upright post 4, the shaft of each turnover worm 24 penetrates into the turnover driving cavity 25 and is coaxially and fixedly connected with a turnover bevel gear 26, a turnover motor 27 is installed in each turnover driving cavity 25, the turnover motor 27 is connected with a power supply and a controller, and a driving bevel gear 28 meshed with the plurality of turnover bevel gears 26 is coaxially and fixedly installed on the rotating shaft of the turnover motor 27;
When the sampling upright post 4 rises upwards, the turnover motor 27 can be started to drive the driving bevel gear 28 to rotate, and the driving bevel gear 28 drives the four turnover bevel gears 26 to synchronously rotate, so that the four turnover worms 24 synchronously rotate and are in meshed transmission with the four turnover arc racks 23, and the four hinged seats 22 are driven to rotate, so that the four sampling pipes 6 can simultaneously turn outwards.
In the fourth embodiment, as shown in fig. 8 and 9, the sampling height adjusting assembly 9 includes a sampling net cover 29, a sampling telescopic cylinder 30, a net cover pulling plate 31, a spring plate 32, and a net cover spring 33;
The outer side surface of the sampling tube 6 is coaxially sleeved with a sampling net cover 29, the outer side surfaces of the top end and the bottom end of the sampling tube 6 are fixedly provided with sampling telescopic cylinders 30, one ends of the two sampling telescopic cylinders 30, which are close to the sampling net cover 29, are respectively fixedly connected with the sampling net cover 29, the outer side surface of the sampling net cover 29 is fixedly provided with a net cover pulling plate 31, the outer side surface of the top end of the sampling tube 6 is fixedly provided with a spring plate 32, and a net cover spring 33 is fixedly arranged between the net cover pulling plate 31 and the spring plate 32;
As shown in fig. 8 and 9, the sampling net cover 29 is at the position of the sampling slot 8 above, the sampling tube 6 can sample the air of the high layer at this time, when the air of the lower layer needs to be sampled, the net cover pulling plate 31 can be pulled downwards, so as to drive the sampling net cover 29 to move downwards to the position of the sampling slot 8 below outside the sampling tube 6, the net cover spring 33 can be lengthened to store the force while the sampling net cover 29 moves, and the sampling telescopic cylinders 30 connected with the two ends of the net cover spring can correspondingly stretch and change, so that the other group of sampling slots 8 can be shielded.
In a fifth embodiment, as shown in fig. 5 and fig. 8-10, the sampling height adjusting assembly 9 further includes a mesh enclosure pulling plate slot 34, a mesh enclosure pulling rope hole 35, a mesh enclosure rope shaft 36, a mesh enclosure pulling rope 37, a rope shaft 38, and a mesh enclosure rope shaft motor 39;
A mesh enclosure pulling plate groove 34 is formed in the inner wall of each sampling tube groove 5, a mesh enclosure pulling rope hole 35 is formed between each mesh enclosure pulling plate groove 34 and the turnover driving cavity 25 in a penetrating mode, a mesh enclosure rope shaft 36 is rotatably arranged in the turnover driving cavity 25, a plurality of mesh enclosure pulling ropes 37 are wound on the mesh enclosure rope shaft 36, each mesh enclosure pulling rope 37 penetrates through one mesh enclosure pulling rope hole 35 and is fixedly connected with the bottom of one mesh enclosure pulling plate 31, a rope shaft rod 38 penetrating upwards through the top surface of the sampling upright column 4 is coaxially and fixedly connected with the top of the mesh enclosure rope shaft 36, a mesh enclosure rope shaft motor 39 connected with the rope shaft rod 38 is fixedly arranged at the top of the sampling upright column 4, and a power supply and a controller are connected to the mesh enclosure rope shaft motor 39;
When the net cover rope shaft motor 39 is started, the net cover rope shaft 36 can be driven to rotate, the net cover rope shafts 37 can be wound or released simultaneously during rotation, when the net cover rope shafts 37 are wound, the net cover pulling plates 31 can be pulled, so that the sampling notch 8 of the sampling net covers 29 are driven to move downwards, when the net cover rope shafts 37 are released, the net cover pulling plates 31 lose traction, the sampling notch 8 of the sampling net covers 29 can be moved and reset under the elasticity of the net cover springs 33, and therefore the sampling net covers can be switched between the sampling notch 8 of two different heights, and the effect of sampling air of different heights is achieved.
In a sixth embodiment, as shown in fig. 9, on the basis of the first embodiment, a filter cotton rod 40 is detachably mounted in the sampling tube 6, sampling filter cotton 41 located below the two groups of sampling slots 8 is fixedly mounted on the outer side of the filter cotton rod 40, the top of the sampling tube 6 is detachable, the filter cotton rod 40 can be mounted after the top of the sampling tube is opened, dust impurities in air can be filtered by the sampling filter cotton 41, and the influence of dust adhesion on a formaldehyde detector 11 on formaldehyde detection results is avoided.
On the basis of the first embodiment, as shown in fig. 1-4, two groups of low-altitude sampling grooves 02 are distributed between the outer side surface of the upright post 2 and the sampling upright post groove 3 in a penetrating manner, a protective cover 03 positioned at the opening of the low-altitude sampling groove 02 is installed on the outer side surface of the upright post 2, as shown in fig. 2 and 4, when the sampling upright post 4 is positioned in the sampling upright post groove 3, the height of a sampling notch 8 on the sampling pipe 6 corresponds to the height of the low-altitude sampling groove 02, at the moment, the sampling operation can be performed on air positioned in the low-altitude sampling groove 02 through the sampling pipe 6, dust and impurities in the air can be filtered by the protective cover 03, and a protective effect can be achieved.
In an eighth embodiment, as shown in fig. 5, 10 and 11, the sampling air inlet pipe assembly 14 includes a first air hole 42, a second air hole 43, a sampling air pipe 44 and a lifting air pipe 45;
A first air hole 42 is formed between the bottom of each sampling tube slot 5 and the bottom surface of the sampling upright post 4, a plurality of second air holes 43 are formed between the sampling upright post slots 3 and the detection cavity 10 in a penetrating manner, a sampling air pipe 44 is fixedly connected between each sampling tube 6 and the top end of the first air hole 42 below the sampling tube, a lifting air pipe 45 is fixedly connected between one of the first air holes 42 and one of the second air holes 43, and each detection air inlet pipe 12 is connected with one of the second air holes 43;
When sampling stand 4 is in the inside of sampling stand groove 3, lift trachea 45 piles up in the space that is located sampling stand 4 below, can drive lift trachea 45 upward movement when sampling stand 4 rises, air that gathers through a plurality of sampling pipes 6 can loop through sampling trachea 44, first gas pocket 42, lift trachea 45 and second gas pocket 43 after, reach the inside of corresponding detection air-supply line 12, and detect through the inside that detects air-supply line 12 entering corresponding formaldehyde detector 11, thereby realize carrying out the operation of sampling and detecting to indoor multiple spot position's air, then the air after the detection accessible a plurality of detects tuber pipes 13 reach the inside quilt exhaust of air-out subassembly 15.
In a ninth embodiment, as shown in fig. 11, the air outlet assembly 15 includes an air outlet slot 46, an air outlet hole 47, an air outlet grille cover 48, an air outlet gear ring 49, an air outlet fan blade 50, an air outlet motor 51, and an air outlet gear 52;
The outer side surface of the bottom end of the upright post 2 is provided with a plurality of air outlet grooves 46 which are uniformly distributed in circumference, an air outlet hole 47 is penetrated between each air outlet groove 46 and the detection cavity 10, each air outlet hole 47 is connected with one of the detection air pipes 13, an air outlet grille cover 48 is coaxially and fixedly arranged on the outer side surface of the bottom end of the upright post 2, an air outlet gear ring 49 is rotatably arranged on the top surface in the air outlet grille cover 48, a plurality of air outlet fan blades 50 which are uniformly distributed in circumference are arranged at the bottom of the air outlet gear ring 49, an air outlet motor 51 is fixedly arranged at the top of the air outlet grille cover 48, the air outlet motor 51 is connected with a power supply and a controller, and a rotating shaft of the air outlet motor 51 penetrates into the air outlet grille cover 48 and is coaxially and fixedly provided with an air outlet gear 52 meshed with the air outlet gear ring 49;
When the device is used, the air outlet motor 51 can be started to drive the air outlet gear 52 to rotate, the air outlet gear 52 drives the air outlet gear ring 49 to rotate, the air outlet gear ring 49 drives the air outlet fan blades 50 to rotate, air detected by the formaldehyde detector 11 can enter the air outlet groove 46 through the detection air outlet pipe 13 and the air outlet holes 47, and the air inside the air outlet groove 46 can be discharged to the outer side of the air outlet grille cover 48 when the air outlet fan blades 50 rotate, namely, the air outlet fan blades 50 can provide power for the whole air sampling process, so that indoor air can enter the internal circulation of the device, and the operations of air sampling and formaldehyde detection are completed.
In a tenth embodiment, based on the ninth embodiment, as shown in fig. 12, the single-point multi-point sampling assembly 16 includes a switching turntable 53, a turntable air hole 54, a switching chute 55, a switching slider 56, a switching spring 57, a switching motor 58, a switching rope shaft 59, a switching rope 60, and a turntable motor 61;
A switching turntable 53 is rotatably mounted on the top surface of the detection cavity 10, a plurality of turntable air holes 54 penetrate through the upper side surface and the lower side surface of the switching turntable 53, the turntable air holes 54 are used for communicating a second air hole 43 with the detection air inlet pipe 12, the side surfaces of the plurality of turntable air holes 54 except one turntable air hole 54 are respectively provided with a switching chute 55 facing the axis of the switching turntable 53 (the number of the turntable air holes 54 in the embodiment is four, three turntable air holes 54 are respectively provided with a switching chute 55), a switching sliding block 56 capable of blocking the turntable air holes 54 is slidably mounted in each switching chute 55, a switching spring 57 is fixedly mounted between one end of the switching sliding block 56 far away from the turntable air hole 54 and the switching chute 55, a motor groove is formed in the middle of the bottom surface of the switching turntable 53, a switching motor 58 is mounted on the middle of the bottom surface of the switching turntable 53, a switching rope shaft 59 is coaxially and fixedly mounted on the rotating shaft of the switching motor 58, the free ends of the switching ropes 60 are respectively penetrated into the switching chute 55 and fixedly connected with the switching chute 56, the middle part of the motor is fixedly connected with the rotating shaft 61 of the detection turntable 3, and the rotating shaft 61 is fixedly connected with the rotating shaft 10 in the downward direction of the turntable;
As shown in fig. 12, when three switching sliders 56 block corresponding turntable air holes 54 under the elasticity of respective switching springs 57, at this time, the air outlet assembly 15 is started, that is, only one turntable air hole 54 can enable air to pass through, so that the sampling tube 6 communicated with the turntable air hole 54 can sample air at a single point, and when another point needs to be sampled, the turntable motor 61 can be started to drive the switching turntable 53 to rotate by 90 degrees or a corresponding angle, so that the non-blocked turntable air hole 54 moves to the position of the sampling tube 6 needing to be detected, and the sampling tube 6 and the corresponding detection air inlet tube 12 are communicated, so that the point can be sampled with air;
when multiple points are needed to be sampled simultaneously, the switching motor 58 can be started to drive the switching rope shaft 59 to rotate, so that three switching pull ropes 60 are wound, and the three switching slide blocks 56 are pulled to slide and compress the three switching springs 57 simultaneously by the three switching pull ropes 60, so that the three turntable air holes 54 are opened, and at the moment, four sampling pipes 6 are respectively communicated with the corresponding detection air inlet pipes 12, so that the air sampling of multiple points can be performed.
It should be noted that, in the description of the present invention, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.
Claims (9)
1. The formaldehyde detection alarm device for indoor air detection comprises a base (1), and is characterized in that an upright post (2) is fixedly arranged at the top of the base (1), sampling upright post grooves (3) are formed in the top of the upright post (2) downwards, sampling upright posts (4) are arranged in the sampling upright post grooves (3) in a sliding mode up and down, a plurality of sampling tube grooves (5) are formed in the outer side faces of the sampling upright posts (4), sampling tubes (6) with hollow inside are hinged to the bottom ends inside the sampling tube grooves (5), sampling tube overturning assemblies (7) acting on the sampling tube grooves (6) are arranged on the sampling upright posts (4), sampling notch (8) which are distributed up and down in two groups are formed in a penetrating mode on the outer side face of each sampling tube (6), and an alarm (01) is arranged on the top of each sampling tube (6) and can shield one group of sampling notch (8);
The detection device comprises a base (1), wherein a detection cavity (10) is formed in the bottom of the base (1), a plurality of formaldehyde detectors (11) are installed in the detection cavity (10), each formaldehyde detector (11) is respectively connected with a detection air inlet pipe (12) and a detection air outlet pipe (13), a sampling air inlet pipe assembly (14) is arranged between the detection air inlet pipe (12) on each formaldehyde detector (11) and one of the sampling pipes (6), an air outlet assembly (15) is installed on the outer side face of the bottom end of each upright post (2), the detection air outlet pipes (13) on the formaldehyde detectors (11) are all connected with the air outlet assembly (15), and a single-point multi-point sampling assembly (16) positioned between the plurality of detection air inlet pipes (12) and the sampling air inlet pipe assembly (14) is rotatably installed on the top surface of the detection cavity (10);
The sampling tube overturning assembly (7) comprises a hinging seat (22), an overturning arc-shaped rack (23), an overturning worm (24), an overturning driving cavity (25), an overturning bevel gear (26), an overturning motor (27) and a driving bevel gear (28);
Every equal fixed mounting has articulated pole in sampling tube groove (5), every the equal fixed mounting in bottom of sampling tube (6) has articulated seat (22) with articulated pole normal running fit, every the equal fixed mounting in the outside of articulated seat (22) upset arc rack (23), every the inside of sampling tube groove (5) all rotates installs upset worm (24) with upset arc rack (23) meshing, upset drive chamber (25) have been seted up to the bottom of sampling stand (4), every the axle of upset worm (24) all runs through in upset drive chamber (25) to coaxial fixedly connected with upset bevel gear (26), install upset motor (27) in upset drive chamber (25), coaxial fixed mounting has drive bevel gear (28) with a plurality of upset bevel gear (26) meshing in the axis of rotation of upset motor (27).
2. The formaldehyde detection alarm device for indoor air detection according to claim 1, wherein a plurality of column lifting grooves (17) which are uniformly distributed in circumference and penetrate through the top surface of the column (2) upwards are formed in the inner side surface of the sampling column groove (3), a stop block (18) is fixedly installed at the top ends of the column lifting grooves (17), a plurality of column lifting blocks (19) which are respectively located in the column lifting grooves (17) are fixedly installed at the bottom ends of the sampling column (4), a column lifting motor (20) is fixedly installed at the top of one of the stop blocks (18), and a rotating shaft of the column lifting motor (20) penetrates through the column lifting groove (17) downwards and is coaxially and fixedly provided with a column lifting screw (21) which is in threaded fit with the column lifting blocks (19).
3. Formaldehyde detection alarm device for indoor air detection according to claim 1, characterized in that the sampling height adjustment assembly (9) comprises a sampling screen (29), a sampling telescopic cylinder (30), a screen pulling plate (31), a spring plate (32), a screen spring (33);
The utility model discloses a sampling tube, including sampling tube (6), fixed mounting, spring board (32) are installed to coaxial cover on the lateral surface of sampling tube (6), all fixed mounting has flexible section of thick bamboo (30) of sampling on the lateral surface of sampling tube (6) top and bottom, two the one end that flexible section of thick bamboo (30) of sampling is close to sampling screen (29) is respectively with sampling screen (29) fixed connection, fixed mounting has screen panel arm-tie (31) on the lateral surface of sampling screen (29), fixed mounting has spring board (32) on the lateral surface on sampling tube (6) top, fixed mounting has screen panel spring (33) between screen panel arm-tie (31) and the spring board (32).
4. A formaldehyde detection alarm device for indoor air detection according to claim 3, characterized in that said sampling height adjusting assembly (9) further comprises a screen pulling plate groove (34), a screen pulling rope hole (35), a screen rope shaft (36), a screen pulling rope (37), a rope shaft (38), a screen rope shaft motor (39);
Every screen panel arm-tie groove (34) has all been seted up on the inner wall of sampling tube groove (5), every screen panel arm-tie groove (34) all run through between upset driving chamber (25) screen panel arm-tie hole (35), screen panel rope axle (36) are installed in the inside rotation of upset driving chamber (25), the winding has a plurality of screen panel stay cords (37) on screen panel rope axle (36), every screen panel stay cord (37) all pass one of them screen panel arm-tie hole (35) to with the bottom fixed connection of one of them screen panel arm-tie (31), the coaxial fixedly connected with in top of screen panel rope axle (36) upwards runs through rope axostylus axostyle (38) of sampling stand (4) top surface, the top fixed mounting of sampling stand (4) has screen panel rope axle motor (39) that are connected with rope axostylus axostyle (38).
5. Formaldehyde detection alarm device for indoor air detection according to claim 1, characterized in that the inside of the sampling tube (6) is detachably mounted with a filter cotton rod (40), the outside of the filter cotton rod (40) is fixedly mounted with a sampling filter cotton (41) below two groups of sampling slots (8).
6. The formaldehyde detection alarm device for indoor air detection according to claim 1, wherein two groups of vertically distributed low-altitude sampling grooves (02) penetrate through the space between the outer side surface of the upright post (2) and the sampling upright post groove (3), and a protective cover (03) positioned at the opening of the low-altitude sampling groove (02) is arranged on the outer side surface of the upright post (2).
7. Formaldehyde detection alarm device for indoor air detection according to claim 1, characterized in that said sampling air inlet duct assembly (14) comprises a first air vent (42), a second air vent (43), a sampling air duct (44), a lifting air duct (45);
First gas pockets (42) are all run through between the bottom of every sampling tube groove (5) and the bottom surface of sampling stand (4), run through between sampling stand groove (3) and detection chamber (10) have a plurality of second gas pockets (43), every all fixedly connected with sampling trachea (44) between the top of sampling tube (6) and first gas pocket (42) of its below, one of them all fixedly connected with lift trachea (45) between first gas pocket (42) and one of them second gas pocket (43), every detect air-supply line (12) all are connected with one of them second gas pocket (43).
8. Formaldehyde detection alarm device for indoor air detection according to claim 1, characterized in that the air outlet assembly (15) comprises an air outlet groove (46), an air outlet hole (47), an air outlet grille cover (48), an air outlet gear ring (49), an air outlet fan blade (50), an air outlet motor (51), an air outlet gear (52);
A plurality of air outlet grooves (46) which are uniformly distributed circumferentially are formed in the outer side face of the bottom end of the upright post (2), air outlet holes (47) are formed between each air outlet groove (46) and the detection cavity (10) in a penetrating mode, each air outlet hole (47) is connected with one of the detection air pipes (13), an air outlet grille cover (48) is coaxially and fixedly installed on the outer side face of the bottom end of the upright post (2), an air outlet gear ring (49) is rotatably installed on the top face in the air outlet grille cover (48), a plurality of air outlet fan blades (50) which are uniformly distributed circumferentially are installed at the bottom of the air outlet gear ring (49), an air outlet motor (51) is fixedly installed at the top of the air outlet grille cover (48), and an air outlet gear (52) which is meshed with the air outlet gear ring (49) is fixedly installed inside and coaxially and penetrating through the rotating shaft of the air outlet motor (51).
9. The formaldehyde detection alarm device for indoor air detection of claim 8, wherein the single-point multi-point sampling assembly (16) comprises a switching turntable (53), a turntable air hole (54), a switching chute (55), a switching slider (56), a switching spring (57), a switching motor (58), a switching rope shaft (59), a switching rope (60), and a turntable motor (61);
The top surface of the detection cavity (10) is rotatably provided with a switching turntable (53), a plurality of turntable air holes (54) penetrate through the space between the upper side surface and the lower side surface of the switching turntable (53), the turntable air holes (54) are used for communicating a second air hole (43) with the detection air inlet pipe (12), the side surfaces of the plurality of turntable air holes (54) except one turntable air hole (54) are provided with switching sliding grooves (55) facing the axis of the switching turntable (53), each switching sliding groove (55) is internally provided with a switching sliding block (56) capable of blocking the turntable air hole (54) in a sliding way, a switching spring (57) is fixedly arranged between one end, far away from the turntable air hole (54), of the switching sliding block (56) and the switching sliding groove (55), a motor groove is formed in the middle of the bottom surface of the switching turntable (53) and is provided with a switching motor (58), a switching rope shaft (59) is coaxially and fixedly arranged on a rotating shaft of the switching motor (58), a plurality of switching pull ropes (60) are wound on the switching rope shaft (59), the free end of each switching pull rope (60) penetrates into the switching sliding groove (55) and is fixedly connected with the switching sliding block (56), a turntable motor (61) is fixedly arranged in the middle of the bottom surface of the sampling upright groove (3), the rotating shaft of the turntable motor (61) downwards penetrates into the detection cavity (10) and is fixedly connected with the switching turntable (53).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411036758.0A CN118962013B (en) | 2024-07-31 | 2024-07-31 | A formaldehyde detection alarm device for indoor air detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411036758.0A CN118962013B (en) | 2024-07-31 | 2024-07-31 | A formaldehyde detection alarm device for indoor air detection |
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| CN118962013B true CN118962013B (en) | 2025-01-28 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886944A (en) * | 2019-12-06 | 2020-03-17 | 黎明职业大学 | Detection system for air detection |
| CN217278181U (en) * | 2022-01-07 | 2022-08-23 | 大连诚泽检测有限公司 | Portable device for detecting concentration of indoor environmental pollutants in constructional engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN218067269U (en) * | 2022-04-27 | 2022-12-16 | 河北馨然环境检测技术服务有限公司 | Sampling device capable of detecting formaldehyde content in indoor air |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886944A (en) * | 2019-12-06 | 2020-03-17 | 黎明职业大学 | Detection system for air detection |
| CN217278181U (en) * | 2022-01-07 | 2022-08-23 | 大连诚泽检测有限公司 | Portable device for detecting concentration of indoor environmental pollutants in constructional engineering |
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