CN110886944A - Detection system for air detection - Google Patents

Abstract

The invention discloses a detection system for air detection, which comprises an air detection device, a placing plate and an upper cover body, wherein the upper cover body is arranged on the placing plate in a way of rotating around the circumferential direction of the placing plate, the bottom surface of the placing plate is provided with a traveling wheel which can be contained in the placing plate or fixed below the placing plate, the bottom surface of the placing plate is provided with a lower sucker, a balance plate capable of lifting and translating up and down is arranged in the upper cover body, the air detection device is arranged on the balance plate, the top surface of the upper cover body is open, and the upper cover body is hinged with a cover for closing the open opening of the upper cover body. Compared with the prior art, when the sampling device is used, the sampling instrument and the box body are positioned outside the upper cover body, the sampling instrument can circumferentially rotate to collect, the detection effect is good, when the sampling device and the box body are not used, the sampling instrument and the box body are collected in the upper cover body, and the walking of the whole system can be transferred to other places for detection by pushing the upper cover body through the walking wheels; the transfer detection is convenient, labor and time are saved, the operation is convenient, the whole structure is simple, and the processing, the manufacturing and the application are easy.

Description

A detection system for air detection

technical field

The invention relates to the technical field of detection devices, in particular to a detection system for air detection.

Background technique

With the enhancement of environmental awareness, existing schools, factories, shopping malls, offices, hotels and other places will conduct an air test after the decoration is completed to avoid harm to people. As a result, most of the detection systems currently used for air detection use spectrophotometric detectors, which can detect six kinds of indoor polluted air at the same time. Temperature and humidity environmental conditions, full-touch button design, built-in micro-printer, can directly print temperature, humidity, formaldehyde concentration, detection date and time, and conclusion of over-standard results, etc. At the same time, the external sampler is stored in the box, which is more convenient and lightweight. This kind of on-site testing instrument, when testing, the testing personnel carry the box to the testing place, then open the box and set up the sampler on a camera tripod before measuring. After the measurement, the tripod and the sampler need to be separated and collected. Then carry the tripod and the box to another room, so repeated disassembly and assembly operations are troublesome for detection operations.

In view of this, the inventors of the present invention have conducted in-depth research on the above-mentioned problems, and thus came up with this case.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides a detection system for air detection, which is simple in detection operation and convenient for alternate detection in different spaces.

In order to achieve the above objects, the present invention is achieved through the following technical solutions: a detection system for air detection, including an air detection device, the air detection device has a box body and a sampler, and also includes a placing plate and an upper cover body, The four corners of the bottom surface of the upper cover are concavely provided with installation concave cavities, the bottom surface of the above-mentioned placing plate is concavely provided with a closed annular groove, and a part of the installation concave cavity is installed in the installation concave cavity, and the other part is in the closed annular groove. A universal wheel that travels in and along the circumferential direction of the closed annular groove, the top surface of the above-mentioned placement plate is installed with a rotary drive motor that is placed upright, and the lower bottom surface of the above-mentioned upper cover body is located at this rotary drive motor. An accommodating cavity for accommodating the rotary drive motor, a vertical transmission shaft is fixedly installed on the cavity bottom of the above-mentioned accommodating cavity, the output shaft of the above-mentioned rotary drive motor is connected with the transmission shaft in a driving manner, and the The four corners of the bottom surface are respectively concave with lower chambers upward, the lower chamber is equipped with a running wheel that can rotate and extend out of the lower chamber, and the outer side wall of the above-mentioned placing plate is equipped with a control running wheel to extend out of the lower chamber or retract the lower chamber. Indoor retractable control device; a lower suction cup is fixed on the part of the side of the above-mentioned placing plate between the two walking wheels;

The upper cover is provided with a balance plate that can move up and down, and a lift control device that controls the balance plate to balance up and down is installed in the upper cover. The box is installed on the top surface of the balance plate. The above-mentioned balance plate is installed in the way of rotating vertically or horizontally, and the above-mentioned balance plate is installed with a rotary drive device that controls the rotation of the sampler; the top surface of the above-mentioned upper cover body is open, and the upper cover body is hinged to close the The cover for the open mouth of the upper cover.

The inner bottom surface of the upper cover body is located above the four installation concave cavities, and electric telescopic rods are respectively installed. A lift control switch for controlling the up and down lift of the electric telescopic rod is installed, and the above-mentioned electric telescopic rod is the lift control device.

A wheel body mounting seat is arranged in the above-mentioned lower chamber, and the above-mentioned wheel body mounting seat has an upper block and wing plates which are located on the left and right sides of the upper block and are relatively spaced apart. On the two wing plates, the lower chamber extends along the front and rear directions of the placing plate, and is a square chamber in which the wheel body mounting seat and the traveling wheel are completely accommodated. It is placed flat in the square chamber, the upper part of the wing plate is inside the square chamber, the lower part is outside the square chamber, the walking wheel is outside the square chamber, the top surface of the upper square is concave with a threaded cavity with an internal thread, the above The front side wall and the rear side wall of the placing plate correspond to the square chamber, and a locking screw whose free end extends into the square chamber is installed; the left and right side walls of the above-mentioned placing plate correspond to the square chamber. A mounting screw whose head is located outside the side wall of the placing plate and whose rod extends into the square cavity is installed, and the inner side wall of the above-mentioned square cavity is fixed with an inner locking nut for the rod of the mounting screw to extend into the inner screw, The part of the wing plate located in the installation chamber is sleeved outside the rod part of the installation screw, the head of the installation screw is fixed with a handle that drives the rotation of the installation screw, and the installation screw is located between the handle and the outer side wall of the placing plate An outer locking nut for locking the installation screw is sleeved, and the locking screw, the installation screw, the inner locking nut and the outer locking nut constitute the retraction control device.

The bottom surface of the balance plate is located at the accommodating cavity, and a support spring tensioned between the bottom surface of the upper cover and the balance plate is fixed.

The above-mentioned sampler and the above-mentioned box are arranged side by side on the left and right, the above-mentioned balance plate is located at the sampler and a rotating seat is installed, and the above-mentioned rotating seat has a front vertical plate, a rear vertical plate and an installation shaft between the front vertical plate and the rear vertical plate, Both ends of the above-mentioned installation shaft are rotatably installed in the front vertical plate and the rear vertical plate, a drive motor for driving the rotation of the installation shaft is installed on the above-mentioned rear vertical plate, and the above-mentioned installation shaft is located between the front vertical plate and the rear vertical plate. There is a support rod perpendicular to the installation axis, a flat plate is fixed on the free end of the support rod, and the sampler is locked and installed on the flat plate.

The rear side wall of the placing board is provided with a pusher for pushing the placing board to walk.

After adopting the above technical solution, when in use, open the cover, the balance plate moves upward, the box body and the sampler extend out of the upper cover, and the sampler is controlled to be in an upright state. At this time, the sampler can make the air detection device perform air detection. , During detection, the walking wheel is retracted into the lower chamber. At this time, the upper cover is used to move the placing plate downward to contact the ground. The downward movement of the placing plate causes the suction cup to discharge air and suck the ground accordingly. At this time, the whole system is fixed. , so that the air detection device will not move when it is detected; when it is transferred, the traveling wheel is lowered, the four traveling wheels will support the placement plate from the ground, the suction cup is separated from the ground, the sampler is rotated and laid flat, the balance plate is moved down, the sampler and the The box body is located in the upper cover body, and the whole system can be moved to other places for detection by pushing the upper cover body; it is convenient for transfer detection, labor and time saving, convenient operation, and the whole structure is simple, easy to manufacture and apply.

Description of drawings

Fig. 1 is the perspective view of the present invention;

Fig. 2 is the structural representation of the present invention;

FIG. 3 is a schematic view of the structure of the rotating seat in the present invention.

Detailed ways

The present invention provides a detection system for air detection, as shown in Figures 1-3, including an air detection device. The air detection device adopts an existing instrument, which is not researched by the inventor. The air detection device has The box 1 and the sampler 2, and the structures of the sampler and the box are well known, and will not be described here.

The improvement of the present invention is that: the detection system further includes a placing plate 3 and an upper cover body 4, the four corners of the bottom surface of the upper cover body 4 are concavely provided with mounting cavities 41, and the bottom surface of the placing plate 3 is concavely provided with closed annular grooves 31. A universal wheel 42 is installed in the installation cavity 41, one part of which is in the installation cavity and the other part is in the closed annular groove and travels along the circumferential direction of the closed annular groove. The structure of this universal wheel 42 The existing known universal wheel and the installation method are used in the installation method, which will not be described here.

The top surface of the placement plate 3 is installed with a rotary drive motor 5 that is placed upright, and the lower bottom surface of the upper cover body 4 is located at the rotary drive motor 5 and upwardly concave with an accommodating cavity for the rotary drive motor to be accommodated inside. 43. A vertical transmission shaft is installed and fixed on the cavity bottom of the accommodating cavity 43, and the output shaft of the rotary drive motor 5 is connected with the transmission shaft in a driving manner. It can also be locked and installed on the cavity bottom of the accommodating cavity 41. The output shaft of the rotary drive motor extends into the mounting block and is screwed together; in application, the activation of the rotary drive motor 5 will cause the entire upper cover body 4 to rotate circumferentially around the placement plate.

The four corners of the bottom surface of the placing plate 3 are respectively provided with lower chambers 32 upwardly concave. The lower chamber is installed with a walking wheel 6 that can rotate and extend out of the lower chamber, and is installed on the outer side wall of the placing plate to control the walking wheel to protrude from the lower chamber. The retractable control device outside the chamber or retracted into the lower chamber; specifically: the lower chamber 32 is a strip-shaped square chamber extending along the front and rear directions of the placing plate 3, and the lower chamber 32 is provided with a wheel body mounting seat 33, The wheel body mounting seat 33 has an upper block and a wing plate on the left and right sides of the upper block and is relatively spaced apart. The traveling wheel 6 is located between the two wing boards and is rotated and installed on the two wing boards through the pin shaft 61. The rotating installation of the traveling wheel 6 The method is a well-known technology. The length of the square chamber in the front and rear directions is longer than the sum of the wheel body mounting seat and the travel wheel located below the wheel body mounting seat. In the chamber, the upper part of the wing plate is inside the square chamber, the lower part is outside the square chamber, the walking wheel 6 is outside the square chamber, and the top surface of the upper square is concave with a threaded cavity (not shown in the figure), which is placed The front side wall and the rear side wall of the plate 3 correspond to the square chamber, and a locking screw (not shown in the figure) whose free end extends into the square chamber is installed. In this way, when the upper block is rotated into an upright state , turn the locking screw, the locking screw extends into the thread cavity and screwed together, so that the upper block is locked.

The left side wall and the right side wall of the placing plate 3 correspond to the square chamber and are installed with mounting screws (not shown in the figure) whose head is outside the side wall of the placing plate and whose rod extends into the square chamber. The screw is arranged horizontally in the left and right direction, the inner side wall of the square chamber is located on the side opposite to the mounting screw, and the rod part of the mounting screw is fixed on the inner locking nut for the inner screw, and the wing plate is located in the part of the mounting chamber The sleeve is fixed outside the rod of the installation screw, that is, the rod of the installation screw passes through the wing plate, and the wing plate is fixedly matched with the rod part. The head of the installation screw is fixed with a handle that drives the rotation of the installation screw. And the installation screw is located between the handle and the outer side wall of the placing plate, and there is an outer locking nut (not shown in the figure) for locking the installation screw, the locking screw, the installation screw, the inner locking nut and the outer locking nut. The said retractable control device is constituted; in application, when the mounting screw and the inner locking nut are locked, the upper square of the wheel body mounting seat 33 is in a flat state, that is, the traveling wheel extends out of the square chamber and is in a fixed state, At this time, the walking wheel can rotate and walk. When it is not running, turn the handle to install the screw and the inner locking nut to loosen, and the mounting screw rotates, and the wheel body mounting seat 33 rotates backward or forward accordingly. In the chamber, when the upper block of the wheel body mounting seat 33 is in an upright state, lock the locking screw, the upper block is locked and matched with the placing plate 3, lock the outer locking nut, and the mounting screw is locked, that is, the wheel body mounting seat 33 is fixed, and the traveling wheels are correspondingly fixed in the square chamber.

A lower suction cup (not shown in the figure) is fixed on the part of the side of the placing plate 3 between the two running wheels. The lower suction cup can enhance the adhesion of the placing plate 3 to the ground, and it is not suitable for easy movement.

The upper cover body 4 is provided with a balance plate 7 that can move up and down, and a lift control device is installed in the upper cover body 4 to control the balance plate 7 to balance up and down. The electric telescopic rods 8 are respectively installed on the top of the cavity. The control end of the electric telescopic rod 8 (that is, the free end of the piston rod of the electric telescopic rod 8) is set upward and is locked and matched with the bottom surface of the balance plate. 8 is a well-known product. A lift control switch for controlling the up and down movement of the electric telescopic rod is installed on the outer side wall of the upper cover 4. The electrical connection between the lift control switch and the electric telescopic rod is a well-known technology, and this electric telescopic rod is the described lifting and lowering rod. The control device, when in use, turns on the lift control switch to make the balance plate 7 move upward in translation.

The box 1 is installed on the right side of the top surface of the balance plate 7, the sampler 2 is installed on the left side of the top surface of the balance plate 7 in a way that it can be rotated vertically or horizontally, and the balance plate is installed to control the rotation of the sampler. Specifically, the balance plate 7 is installed with a rotating seat at the sampler, and the rotating seat has a front vertical plate 81, a rear vertical plate 82 and an installation shaft 83 between the front vertical plate and the rear vertical plate. Both ends of the shaft 83 are rotatably installed in the front vertical plate 81 and the rear vertical plate 82, the rear vertical plate 82 is mounted with a drive motor 84 that drives the installation shaft 83 to rotate, and the installation shaft 83 is located between the front vertical plate and the rear vertical plate. There is a support rod 85 perpendicular to the installation axis on the part of the support rod, the free end of the support rod is fixed with a flat plate, and the sampler 2 is locked and installed on the flat plate; The working control switch, when in use, turn on the control switch, the drive motor 84 drives the installation shaft 83 to rotate, and the rotation of the installation shaft 83 makes the flat plate in a straight state, that is, the sampler 2 is in an upright state, and the detection is obtained. In the upright state, the sampler 2 is placed horizontally, and the sampler can be accommodated.

The top surface of the upper cover 4 is open, and the upper cover is hinged with a cover 100 that closes the opening of the upper cover. The front side of the cover 100 is hinged to the upper cover 4 through a louver. A grab block 101 is protruded on the rear side of the top surface of the cover 100 . When in use, the grab block 101 can be grasped to open the cover 100 upwards, so that the sampler and the box can protrude out of the upper cover 4 .

In the detection system of the present invention, when in use, the cover 100 is opened, the balance plate 7 moves upward, the box 1 and the sampler 2 extend out of the upper cover 4, and then the drive motor 84 is driven, and the drive motor 84 makes the sampler 2 stand upright At this time, the sampler 2 can make the air detection device perform air detection. During the detection, the traveling wheel 6 is retracted into the lower chamber. At this time, the upper cover is used to move the placing plate downward to contact the ground, and the lower part of the placing plate Move the suction cup to discharge the air and suck it on the ground. At this time, the whole system is fixed, so that the air detection device will not move when it is detected. When it is transferred, the walking wheel is lowered, and the four walking wheels will support the placing plate from the ground. The ground is separated, the sampler is rotated and laid flat, the sampler is stowed, the balance plate is moved down, the sampler and the box are in the upper cover, and the whole system can be moved to other places for testing by pushing the upper cover; it is convenient for transfer testing, It is labor-saving and time-saving, easy to operate, and the whole structure is simple, easy to manufacture and apply. In addition, the rotation setting of the sampler makes the storage of the sampler in the entire upper cover more compact and does not occupy too much space; moreover, when sampling , the upper cover body can rotate in the circumferential direction, and the rotation of the upper cover body enables the sampler to detect different directions in the circumferential direction, and the detection is flexible.

In the present invention, the bottom surface of the balance plate 7 is located at the accommodating cavity, and a support spring 9 is fixed between the bottom surface of the upper cover and the balance plate. The elasticity of the support spring 9 is used to make the balance plate 7 move up and down. It has a buffering effect, so that the sampler and the box are not easily damaged by vibration.

In the present invention, the rear side wall of the placing board 3 is provided with a push handle 200 for pushing the placing board to travel. The structure of the push handle 200 is the same as the push handle of the existing cargo cart. The push handle 200 is used to facilitate the transfer of the entire system.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A detecting system for air detection comprises an air detection device, wherein the air detection device is provided with a box body and a sampling instrument, and is characterized in that: the electric power tool comprises a placing plate and an upper cover body, wherein four corners of the bottom surface of the upper cover body are concavely provided with installation cavities, the bottom surface of the placing plate is concavely provided with closed-loop grooves, one universal wheel and the other universal wheel are installed in the installation cavities, one universal wheel is located in the installation cavities, the other universal wheel is located in the closed-loop grooves and travels along the circumferential direction of the closed-loop grooves, a rotary driving motor which is vertically placed upwards is installed on the top surface of the placing plate, a containing cavity for containing the rotary driving motor is formed in the position, where the lower bottom surface of the upper cover body is located, of the rotary driving motor, a vertically-arranged transmission shaft is installed on the cavity bottom of the containing cavity, an output shaft of the rotary driving motor is in transmission connection with the transmission shaft, four corners of the bottom surface of the placing plate are respectively concavely provided with lower cavities, walking wheels which can rotatably extend out of the lower cavities are installed A retraction control device; a lower sucker is fixedly arranged on the part of the side edge of the placing plate, which is positioned between the two walking wheels;

the sampling instrument is arranged on the balance plate in a rotatable vertical or horizontal mode, and the balance plate is provided with a rotation driving device for controlling the sampling instrument to rotate; the top surface of the upper cover body is open, and the upper cover body is hinged with a cover cap for closing the open opening of the upper cover body.

2. A detection system for air detection according to claim 1, wherein: electric telescopic rods are respectively installed at positions, located above the four installation cavities, of the inner bottom surface of the upper cover body, the control ends of the electric telescopic rods are arranged upwards and are in locking fit with the bottom surface of the balance plate, a lifting control switch for controlling the electric telescopic rods to lift up and down is installed on the outer side wall of the upper cover body, and the electric telescopic rods are lifting control devices.

3. A detection system for air detection according to claim 1, wherein: the wheel body mounting seat is arranged in the lower cavity and provided with an upper square block and wing plates which are arranged on the left side and the right side of the upper block and are distributed at intervals relatively, the travelling wheels are arranged between the two wing plates and are rotatably mounted on the two wing plates through pin shafts, the lower cavity is a square cavity which extends along the front and back directions of the placing plate and is used for completely accommodating the wheel body mounting seat and the travelling wheels, the upper square block is movably and horizontally placed in the square cavity in a mode of rotating forwards or backwards in an upright state, the upper parts of the wing plates are arranged in the square cavity, the lower parts of the wing plates are arranged outside the square cavity, the travelling wheels are arranged outside the square cavity, a thread cavity with internal threads is recessed in the top surface of the upper square block, and locking screw rods with free end parts extending into the square cavity are mounted at the positions of the front side wall and; the left side wall and the right side wall of the placing plate are provided with a mounting screw rod, the head of the mounting screw rod is positioned outside the placing plate side wall corresponding to the square cavity, the rod part of the mounting screw rod extends into the square cavity, the inner side wall of the square cavity is fixed with an inner locking nut for the installation of the rod part of the mounting screw rod, the wing plate is positioned in the mounting cavity and sleeved outside the rod part of the mounting screw rod, the head of the mounting screw rod is fixed with a handle for driving the mounting screw rod to rotate, an outer locking nut for locking the mounting screw rod is sleeved between the handle and the outer side wall of the placing plate, and the locking screw rod, the mounting screw rod, the inner locking nut and the outer locking nut form the retraction control device.

4. A detection system for air detection according to claim 1, wherein: and a supporting spring tensioned between the inner bottom surface of the upper cover body and the balance plate is fixed on the bottom surface of the balance plate at the accommodating concave cavity.

5. A detection system for air detection according to claim 1, wherein: above-mentioned sampling instrument is with above-mentioned box and controls the setting side by side, above-mentioned balance plate is located sampling instrument department and installs the rotation seat, the above-mentioned rotation seat has preceding riser, back riser and the installation axle between riser and the back riser before being in, the both ends of above-mentioned installation axle are rotated and are installed in preceding riser and back riser, install drive installation axle pivoted driving motor on the above-mentioned back riser, be equipped with on the position between riser and the back riser before the above-mentioned installation axle is located and install the perpendicular bracing piece of axle, the free end tip of above-mentioned bracing piece has set firmly the flat board, the above-mentioned sampling instrument lock solid is installed on above.

6. A detection system for air detection according to any of claims 1-5, characterized in that: the rear side wall of the placing plate is provided with a pushing handle for pushing the placing plate to walk.

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