CN116135258B - Wearable portable air supply system and wearable device - Google Patents
Wearable portable air supply system and wearable deviceInfo
- Publication number
- CN116135258B CN116135258B CN202310170689.1A CN202310170689A CN116135258B CN 116135258 B CN116135258 B CN 116135258B CN 202310170689 A CN202310170689 A CN 202310170689A CN 116135258 B CN116135258 B CN 116135258B
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- Prior art keywords
- damping
- pneumatic
- plate
- supply system
- air supply
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/02—Valves
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/04—Couplings; Supporting frames
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Medicine (AREA)
- Vibration Prevention Devices (AREA)
Abstract
本发明属于供气设备相关技术领域，其公开了一种可穿戴便携供气系统及可穿戴设备，所述供气系统包括背板、框架、气泵、气泵悬挂减震机构、气动板簧变刚度机构及气动减震圈变刚度机构；所述背板包括背侧板及底座，所述背侧板的一端连接于所述底座，所述底座通过气动板簧变刚度机构连接于所述框架底部的连接板；所述背侧板通过气动减震圈变刚度机构连接于所述框架的侧部；所述气泵通过气泵悬挂减震机构连接于所述框架；所述连接板与所述底座的内壁之间设置有圆柱滚子轴承。本发明采用多级减振及消音模式，以此削弱不同环境条件下的振动，相较于单一刚度的减震系统能够在不同的振动情形下达到更加适合的减震效果。
The present invention belongs to the technical field related to air supply equipment, and discloses a wearable portable air supply system and wearable device. The air supply system includes a back plate, a frame, an air pump, an air pump suspension shock absorption mechanism, a pneumatic leaf spring variable stiffness mechanism, and a pneumatic shock-absorbing ring variable stiffness mechanism; the back plate includes a back side plate and a base, one end of the back side plate is connected to the base, and the base is connected to the connecting plate at the bottom of the frame through a pneumatic leaf spring variable stiffness mechanism; the back side plate is connected to the side of the frame through a pneumatic shock-absorbing ring variable stiffness mechanism; the air pump is connected to the frame through an air pump suspension shock absorption mechanism; and a cylindrical roller bearing is provided between the connecting plate and the inner wall of the base. The present invention adopts a multi-stage vibration reduction and silencing mode to reduce vibration under different environmental conditions. Compared with a single-stiffness shock absorption system, it can achieve a more suitable shock absorption effect under different vibration conditions.
Description
Technical Field
The invention belongs to the technical field of air supply equipment, and particularly relates to a wearable portable air supply system and wearable equipment.
Background
With the development of technology, various electronic components and sensor devices are miniaturized, and wearable devices are gradually accepted by the public. The lightweight pneumatic wearable equipment like a soft prosthetic hand, a soft rehabilitation robot and the like provides conditions for disabled patients or old people to recover daily life, but the air supply device system for providing compressed air for the pneumatic equipment is overlarge in volume, and the vibration and noise of the pump are overlarge in working state. Therefore, how the air supply device is wearable and ensures comfort becomes a problem.
Aiming at the vibration problem of the pump, the traditional industry can fix the pump with a large-mass rack by utilizing bolts and reduce vibration amplitude by utilizing the inertia of the rack, but the method is easy to cause noise generated by collision with the rack when the air pump is not firmly fixed, and can cause fatigue damage of a connecting piece, for this purpose, patent CN114483541A proposes a suspension type air charging device which utilizes a spring to suspend the air pump, prevents the air pump from impacting a bracket in the working process, realizes noise reduction, but the device cannot adjust output pressure, and the absorbing capacity of a damping spring on high-frequency vibration is limited. In addition, to the great problem of air feed system volume, the utility model discloses a knapsack air feeder is related to in the glove system that patent CN107242958 proposed, and the device realizes compact design and is used for pneumatic exoskeleton air feed, but the device does not carry out the shock attenuation and noise reduction and handles, can have great noise and shock feeling when using, can't guarantee the travelling comfort of wearing.
Disclosure of Invention
In order to meet the above defects or improvement demands of the prior art, the invention provides a wearable portable air supply system and a wearable device, which adopt multistage vibration reduction and silencing modes so as to weaken vibration under different environmental conditions, and compared with a single-rigidity vibration reduction system, the wearable portable air supply system and the wearable device can achieve more suitable vibration reduction effects under different vibration conditions.
According to the portable wearable air supply system, the portable wearable air supply system comprises a back plate, a frame, an air pump hanging damping mechanism, a pneumatic plate spring stiffness varying mechanism and a pneumatic damping ring stiffness varying mechanism, wherein the back plate comprises a back side plate and a base, one end of the back side plate is connected to the base, the base is connected to a connecting plate at the bottom of the frame through the pneumatic plate spring stiffness varying mechanism, the back side plate is connected to the side part of the frame through the pneumatic damping ring stiffness varying mechanism, the air pump is connected to the frame through the air pump hanging damping mechanism, and a cylindrical roller bearing is arranged between the connecting plate and the inner wall of the base.
Further, one end with large thickness of two opposite ends of the variable-thickness plate spring is a first end, the other end is a second end, and the first end and the second end are respectively connected with the base and the damping rubber pad.
The pneumatic plate spring rigidity-changing mechanism comprises a non-uniform thickness-changing plate spring, a plate spring pre-pressing rod, a rubber damping pad, a pneumatic piston cylinder, a pushing spring, a connecting pipe and a pushing rod, wherein one end of the thickness-changing plate spring is fixed on a base, the other end of the thickness-changing plate spring is connected with one end of the plate spring pre-pressing rod through the damping rubber pad, the other end of the plate spring pre-pressing rod is fixed on the base, the connecting plate is in contact with the thickness-changing plate spring, a cavity is formed in the base, one end of the pneumatic piston cylinder is connected with the wall of the cavity and is connected with an air outlet of the air supply system through the connecting pipe, one end of the pushing rod is movably connected with the thickness-changing plate spring, the other end of the pushing rod is connected with a piston of the pneumatic piston cylinder, and the pushing spring is arranged in the pneumatic piston cylinder and sleeved on the pushing rod.
Further, the air pump suspension damping mechanism comprises three damping balls and a connecting piece, the connecting piece comprises a flat plate and an L-shaped plate, two ends of the damping balls are respectively connected to the flat plate and one end of the L-shaped plate, the flat plate is connected to the frame, and the air pump is connected to the other end of the L-shaped plate.
Further, the pneumatic damping ring stiffness varying mechanism comprises a plurality of stiffness varying damping rings, wherein the stiffness varying damping rings are connected with the frame and the back side plate.
The damping ring comprises a damping ring outer ring and a damping ring inner ring arranged in the damping ring outer ring, wherein the damping ring outer ring is made of inflatable flexible materials and communicated with an air outlet, the vacuum degree of the inflatable flexible materials in the damping ring outer ring is adjusted in a manner of inflation and deflation, and damping particles are arranged in the damping ring inner ring.
The air supply system further comprises a microcontroller and a knapsack, wherein the frame is arranged in the knapsack, a man-machine interaction control screen is arranged on the outer side of the knapsack, the frame is divided into a plurality of interval compartments and is respectively used for bearing an air storage tank, a power supply, the air pump, a pressure sensor, a silencer, the microcontroller, an electric proportional valve and a vibration detector, the air pump is connected with the air storage tank, the air storage tank is connected with the electric proportional valve through an oil mist separator, the electric proportional valve is connected with the air outlet, two pressure sensors are respectively connected with the air storage tank and the air outlet, and the microcontroller is respectively connected with the electric proportional valve, the pressure sensor, the vibration detector and the man-machine interaction control screen.
Further, the microcontroller is used for respectively and independently controlling the rigidity of the pneumatic plate spring rigidity-changing mechanism and the pneumatic damping ring rigidity-changing mechanism, and the number of the electric proportional valves is the same as that of the air outlets.
Further, the inner wall and the outer wall of the frame are wrapped with silencing cotton.
The invention also provides a wearable device, which comprises the wearable portable air supply system and an execution device, wherein the execution device is connected with the wearable portable air supply system.
In general, compared with the prior art, the wearable portable air supply system and the wearable device provided by the invention have the following advantages:
1. The base is connected with a connecting plate at the bottom of the frame through a pneumatic plate spring rigidity-changing mechanism, the back side plate is connected with the side part of the frame through a pneumatic damping ring rigidity-changing mechanism, the air pump is connected with the frame through an air pump suspension damping mechanism, a cylindrical roller bearing is arranged between the connecting plate and the inner wall of the base, and therefore multistage damping and silencing modes are adopted, vibration under different environmental conditions is weakened, and compared with a damping system with single rigidity, a more suitable damping effect can be achieved under different vibration conditions.
2. The microcontroller is respectively connected with the electric proportional valve, the pressure sensor, the vibration detector and the man-machine interaction control screen, and can respectively and independently control the rigidity of the pneumatic plate spring rigidity-changing mechanism and the pneumatic damping ring rigidity-changing mechanism.
3. The pneumatic plate spring rigidity-changing mechanism and the pneumatic damping ring rigidity-changing mechanism can automatically judge the vibration frequency and amplitude born by the system on two different dimensions, and give corresponding feedback to change the rigidity of the damping element in a pneumatic mode, so that the pneumatic plate spring rigidity-changing mechanism has a better damping effect.
4. According to the practical requirements of people wearing the air supply device, the vibration and noise sources in the device and the bearing capacity of the damping unit are combined, and the fact that the portable air supply device can vibrate to different degrees in the process of personnel movement is considered, the damping thought of vibration of different frequencies and different amplitudes in the device is provided by utilizing the multistage pneumatic damping module, meanwhile, the vibration of the air pump after being rigidly connected with the support is one of main sources of air pump noise, and therefore the device also realizes large-amplitude noise reduction, and multilayer soundproof cotton is embedded on the basis, so that the noise is further reduced.
5. In order to ensure the use safety in the wearing process, the emergency stop switch and the pressure relief protection circuit are utilized to ensure that the work can be stopped emergently under the unexpected condition and the pressure in the air storage tank can be released.
Drawings
Fig. 1 (a) and (b) are respectively a three-dimensional schematic diagram and a partial schematic diagram of a wearable portable air supply system provided by the invention;
fig. 2 (a) and (b) are schematic plan views of two different angles of the wearable portable air supply system in fig. 1;
FIG. 3 is a multi-stage shock absorption flow diagram of the wearable portable air supply system of FIG. 1;
A and b in fig. 4 are schematic diagrams of two angular directions of an air pump suspension damping mechanism of the wearable portable air supply system in fig. 1, respectively;
FIG. 5 (b) is a schematic view of the backplate and pneumatic leaf spring stiffness varying mechanism of the wearable portable air supply system of FIG. 1, (a) is a cross-sectional view of the backplate and pneumatic leaf spring stiffness varying mechanism of (b) taken along the direction A-A;
FIG. 6 is a cross-sectional view of the structure of FIG. 5 (a) taken along the direction B-B, i.e., a cross-sectional view of the back plate and pneumatic shock absorbing ring stiffness varying mechanism.
In all figures the same reference numerals are used to denote the same elements or structures wherein 1-backpack, 2-frame, 3-air reservoir, 4-power supply, 5-vibration detector, 6-air pump, 7-shock ball, 8-pressure sensor, 9-muffler, 10-microcontroller, 11-electrical proportional valve, 12-air outlet, 13-scram switch, 14-man machine interaction control screen, 15-connector, 16-back plate, 17-back side plate, 18-base, 19-variable stiffness shock absorbing ring, 20-pipe, 21-cylindrical roller bearing, 22-connection plate, 23-variable thickness plate spring, 24-leaf spring pre-compression rod, 25-rubber damping pad, 26-pneumatic piston cylinder, 27-compression spring, 28-connection tube, 29-push rod, 30-shock absorbing ring outer ring, 31-shock absorbing ring inner ring.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The invention provides a wearable portable air supply system, which is used for meeting the air source requirements of a wearable device crowd using pneumatic pressurization in daily life, mainly solving the vibration problem of the portable air supply system in different scenes in a targeted manner, reducing noise and guaranteeing the safety of pressurization equipment.
Referring to fig. 1 and 2, the air supply system includes a backpack 1, a frame 2, an air tank 3, a power supply 4, a vibration detector 5, an air pump 6, a pressure sensor 8, a muffler 9, a microcontroller 10, an electrical proportional valve 11, a scram switch 13, a man-machine interaction control screen 14, and a backboard 16, wherein the backboard 16 is connected with the frame 2, and both are disposed in the backpack 1. The vibration detector 5 is arranged on the frame 2, and the scram switch 13 is arranged on the backpack 1 and is respectively connected with the microcontroller 10. The man-machine interaction control screen 14 is arranged on the outer side of the backpack 1, and output pressure and a damping mode can be adjusted through the man-machine interaction control screen 14.
The frame 2 is divided into a plurality of compartments for respectively carrying the air storage tank 3, the power supply 4, the air pump 6, the pressure sensor 8, the muffler 9, the microcontroller 10 and the electric proportional valve 11, so that a compact design is realized, and the compartments can independently perform noise reduction and noise reduction while fixing parts.
To main vibration noise source, the air pump 6 with the compartment inner wall that electrical proportioning valve 11 is located wraps up respectively has the soundproof cotton, just the whole parcel one deck soundproof cotton of outer wall of frame 2, and the soundproof cotton has good sound absorbing capacity to realize making an uproar falls.
In order to ensure the stability of the system as a whole during wear, a power supply 4 (lithium battery) with the greatest mass and an air pump 6 with the most serious vibration are arranged at the bottom of the frame 2, so that the influence of the vibration on the whole frame 2 is reduced while the gravity center is lowered.
The electric proportional valve 11 needs to be connected with a pneumatic actuator through an air outlet 12 arranged on the backpack 1, and compressed air needs to be released in an air pipe connecting the electric proportional valve 11 to the actuator when pressure is released each time. In order to increase the utilization rate of the compressed gas, the electric proportional valve 11 is placed on the top of the frame 2, namely, the electric proportional valve 11 is directly connected with the air outlet 12, and the length of an air pipe of the electric proportional valve 11 connected to an external actuator is shortened. In this embodiment, the number of the air outlets 12 may be set according to actual needs, for example, may be 3 or 4, so as to implement separate control of the corresponding pneumatic devices.
In the present embodiment, the air pump 6 is connected to the air tank 3, and the air tank 3 is connected to the electric proportional valve 11 through an oil mist separator. The two pressure sensors 8 are respectively connected with the air storage tank 3 and the air outlet 12. The microcontroller 10 is respectively connected with the electric proportional valve 11, the pressure sensor 8, the vibration detector 5 and the man-machine interaction control screen 14.
Referring to fig. 4, since the vibration of the piston pump is mainly caused by the high frequency vibration during the movement of the piston of the inner stopper rod, the high frequency vibration of the air pump 6 is damped by the suspension type damping balls 7 in the first stage. In order to realize the shock absorption treatment of the air pump 6, the air supply system is carried on the back by a user, and is vertically placed in a working state, and the air pump 6 is vertically connected with the frame 2 through an air pump suspension shock absorption mechanism.
The air pump suspension damping mechanism comprises three damping balls 7 and a connecting piece 15, the connecting piece 15 comprises a flat plate and an L-shaped plate, two ends of the damping balls 7 are respectively connected with one end of the flat plate and one end of the L-shaped plate, the flat plate is connected with the frame 2, and the air pump 6 is connected with the other end of the L-shaped plate. Wherein, the two ends of the shock absorbing ball 7 are flat, the center is spherical, and the geometric centers of the three shock absorbing balls 7 are respectively positioned at the vertexes of the same equilateral triangle. The air pump suspension damping mechanism cuts down the high-frequency vibration of the air pump 6 and transmits the cut-down vibration to the frame 2, and furthermore, since the soundproof cotton is attached to the inner wall of the compartment, the soundproof cotton in the compartment can be supported from the side and plays a role of buffering even when the backpack 1 is tipped over.
The vibration ball 7 can absorb high-frequency vibration, but because the silica gel material cannot bear excessive weight, in the working state of the air supply system, the electric proportional valve 11 and other modules generate vibration along with the mode switching of air charging and discharging, in the process of carrying the air supply system, a user can bump and accelerate or decelerate to bring different frequencies and different amplitudes of vibration, in order to solve the vibration, the second stage and the third stage adopt pneumatic rigidity-changing mechanisms, the second stage adopts pneumatic leaf spring rigidity-changing mechanisms, the third stage adopts pneumatic damping ring rigidity-changing mechanisms, the two-stage pneumatic rigidity-changing mechanisms can automatically judge the vibration frequency and amplitude born by the system in two different dimensions, and the rigidity of the damping element is changed in a pneumatic mode, so that the vibration under different environmental conditions is weakened, and compared with the single rigidity vibration-changing system, the vibration-changing system can achieve more suitable vibration-absorbing effects under different vibration conditions.
Referring to fig. 5, the back plate 16 includes a back plate 17 and a base 18, and one end of the rectangular back plate 17 is connected to the base 18. The back plate 16 is connected to the connection plate 22 of the frame 2 by a pneumatic leaf spring stiffness-changing mechanism. Cylindrical roller bearings 21 capable of bearing large radial loads are arranged between the connecting plates 22 and the inner wall of the base 18 to prevent the frame 2 from tilting. In the vertical direction, the pneumatic leaf spring rigidity-changing mechanism is arranged between the connecting plate 22 and the base 18.
The pneumatic plate spring rigidity-changing mechanism comprises a plate spring with uneven thickness, a plate spring pre-pressing rod 24, a rubber damping pad 25, a pneumatic piston cylinder 26, a pushing spring 27, a connecting pipe 28 and a pushing rod 29. One end with larger thickness of the variable-thickness plate spring is fixed on the base 18, the other end is connected with one end of the plate spring pre-pressing rod 24 through a damping rubber pad, the other end of the plate spring pre-pressing rod 24 is fixed on the base 18, and the rubber damping pad 25 and the plate spring pre-pressing rod 24 are rubbed to consume energy in the vibration process. The connection plate 22 is in contact with the variable-thickness plate spring. The base 18 defines a cavity, and one end of the pneumatic piston cylinder 26 is connected to the cavity wall and to the air outlet 12 via the connecting tube 28. One end of the pushing rod 29 is movably connected to the variable-thickness plate spring, and the other end is connected to the piston of the pneumatic piston cylinder 26. The pushing spring 27 is disposed in the pneumatic piston cylinder 26 and is sleeved on the pushing rod 29.
When the pneumatic piston cylinder 26 is inflated or deflated through the air outlet 12, the pushing rod 29 is pushed or pulled, and the pushing rod 29 and the roller connected with the pushing rod move together to squeeze the variable-thickness plate spring, so that the pre-bending angle of the variable-thickness plate spring is changed, the position of a bearing stress point, namely the contact point of the connecting plate 22 and the variable-thickness plate spring, is changed, and the thickness of the variable-thickness plate spring is uneven, so that the thickness of the plate spring at the bearing stress point is also changed, and the aim of pneumatic variable-plate spring rigidity is fulfilled, and a more suitable damping effect can be achieved in different vibration conditions in the vertical direction.
Referring to fig. 6, the back side plate 17 is connected to the frame 2 through a pneumatic damping ring stiffness varying mechanism, the pneumatic damping ring stiffness varying mechanism includes a plurality of stiffness varying damping rings 19, and the stiffness varying damping rings 19 are connected to the frame 2 and the back side plate 17. In this embodiment, the number of the variable stiffness damping rings 19 is three, and the three variable stiffness damping rings 19 are disposed around the center of mass of the air supply system and connected to the air outlet 12 through the pipe 20, and it is understood that in other embodiments, the number of the variable stiffness damping rings 19 may be increased or decreased according to actual needs.
The variable stiffness damper ring 19 includes a damper ring outer ring 30 and a damper ring inner ring 31 provided in the damper ring outer ring 30. The damping ring outer ring 30 is made of an inflatable flexible material, and the inflatable flexible material can be made of silica gel or rubber material with fine holes, soft material with cavities (plastic, nylon and the like are used as filling agents in the cavities) or the like. Damping particles are arranged in the inner ring 31 of the damping ring, the damping particles can be made of wear-resistant metal, wear-resistant nonmetal or wear-resistant polymer materials, and the like, and the damping particles can mutually rub to consume energy when the system vibrates.
In the direction perpendicular to the back of the back plate 16, the back side plate 17 and the connecting plate 22 are connected by a plurality of damping rings 19 with variable rigidity, and the electric proportional valve 11 can adjust the vacuum degree of the inflatable flexible material in the damping ring outer ring 30 in a manner of inflating and deflating through the air outlet 12, so that the purpose of pneumatically changing the rigidity of the damping rings is achieved, and more suitable damping effects can be achieved under different vibration conditions in the dimension perpendicular to the direction of the back side plate 17.
Referring to fig. 3, in the working state, the air pump 6 absorbs air from the muffler 9 and compresses and stores the air in the air storage tank 3, the electric proportional valve 11 outputs compressed air as required after receiving the signal from the microcontroller 10, the data of the microcontroller 10 are collected by the pressure sensor 8 and the vibration detector 5, the microcontroller 10 adjusts the working state of each component of the air path according to the output pressure value set by the man-machine interaction control screen 14, the vibration detector is used for feeding back the three-dimensional vibration frequency and amplitude of the whole frame 2 to the microcontroller 10, and the microcontroller 10 charges and discharges the plurality of rigidity-variable damping elements independently according to the damping mode set by the man-machine interaction interface control screen, so as to adjust the rigidity of the damping elements and maximize the damping effect.
The man-machine interaction control screen 14 is provided with a system switch button, an add/subtract button and a touch screen, and the pressure and output pressure values of the air storage tank 3 can be adjusted by pressing the switch for a short time and combining the add/subtract button, and the air supply system is closed by pressing the switch for a long time. In addition, the man-machine interaction interface control screen can set a pressure working interval of the air pump 6, namely an upper threshold value and a lower threshold value of the air pump 6 can be adjusted, the air pump 6 works when the compressed air pressure in the air storage tank 3 is smaller than the lower threshold value, the air pump 6 stops when the compressed air in the air storage tank 3 is larger than the upper threshold value, the air pressure in the air storage tank 3 is ensured to be dynamically balanced, the output air pressure of each electric proportional valve 11 can be adjusted through the man-machine interaction interface control screen, the air supply system can be customized and adjusted according to a specific pneumatic actuator, and the touch screen can be matched with an add-subtract button to adjust and control a damping mode, wherein the damping mode is divided into an automatic mode and a manual adjusting mode. In the manual adjustment mode, the rigidity of the multi-stage pneumatic rigidity-variable damping device (comprising a pneumatic plate spring rigidity-variable mechanism and a pneumatic damping ring rigidity-variable mechanism) can be customized through a plus-minus button, and the multi-stage pneumatic rigidity-variable damping device is suitable for a fixed working environment, and in the automatic adjustment mode, the microcontroller 10 can adjust the rigidity of the multi-stage pneumatic rigidity-variable damping device in real time according to the return value of the vibration detector 5, so that the multi-stage pneumatic rigidity-variable damping device is suitable for the real-time changing environmental conditions, and the damping effect is maximized, for example, an operator carries an air supply system transportation process and the like.
In the normal working state of the backpack 1, the system switch of the man-machine interaction control screen 14 can be used for controlling the micro control board to close the system, in the current state, in order to ensure that the micro control board can be directly used after the next starting, residual compressed gas can be stored in the gas storage tank 3, but when an actuator connected with the backpack 1 or the gas outlet 12 needs to be emergently stopped, the emergency stop switch 13 can be directly pressed, the power supply 4 is cut off at the first time of the system, the compressed gas in the system is slowly discharged by the pressure relief protection circuit, and the pressure relief protection circuit and the decision driving module comprising the microcontroller 10 are separately powered, so that the reliability of use is ensured.
Because the invention uses the stackable thin-sheet electric proportional valve 11, the air supply system can supply air for various actuators at the same time, and help the wearable pneumatic equipment to assist the user to complete tasks.
The invention also provides a wearable device, which comprises the wearable portable air supply system and an execution device, wherein the execution device is connected with the wearable portable air supply system. Wherein the executing device can be a soft finger, a mechanical arm and the like.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. A wearable portable air supply system, characterized by:
The air supply system comprises a back plate, a frame, an air pump suspension damping mechanism, a pneumatic plate spring stiffness-changing mechanism and a pneumatic damping ring stiffness-changing mechanism, wherein the back plate comprises a back side plate and a base, one end of the back side plate is connected with the base, the base is connected with a connecting plate at the bottom of the frame through the pneumatic plate spring stiffness-changing mechanism, the back side plate is connected with the side part of the frame through the pneumatic damping ring stiffness-changing mechanism, the air pump is connected with the frame through the air pump suspension damping mechanism, and a cylindrical roller bearing is arranged between the connecting plate and the inner wall of the base;
The pneumatic plate spring rigidity-changing mechanism comprises a non-uniform thickness-changing plate spring, a plate spring pre-pressing rod, a rubber damping pad, a pneumatic piston cylinder, a pressing spring, a connecting pipe and a pressing rod, wherein one end of the thickness-changing plate spring is fixed on the base, the other end of the thickness-changing plate spring is connected with one end of the plate spring pre-pressing rod through the damping rubber pad, the other end of the plate spring pre-pressing rod is fixed on the base, the connecting plate is in contact with the thickness-changing plate spring, a cavity is formed in the base, one end of the pneumatic piston cylinder is connected with the cavity wall of the cavity and is connected with an air outlet of the air supply system through the connecting pipe, one end of the pressing rod is movably connected with the thickness-changing plate spring, the other end of the pressing rod is connected with a piston of the pneumatic piston cylinder, and the pressing spring is arranged in the pneumatic piston cylinder and sleeved on the pressing rod.
2. The portable wearable air supply system of claim 1, wherein one of opposite ends of the variable-thickness plate spring with a larger thickness is a first end, and the other end is a second end, and the first end and the second end are respectively connected to the base and the damping rubber pad.
3. The portable wearable air supply system of claim 1, wherein the air pump hanging damping mechanism comprises three damping balls and a connecting piece, the connecting piece comprises a flat plate and an L-shaped plate, two ends of the damping balls are respectively connected with one end of the flat plate and one end of the L-shaped plate, the flat plate is connected with the frame, and the air pump is connected with the other end of the L-shaped plate.
4. The wearable portable air supply system of claim 2, characterized in that the pneumatic damping ring stiffness varying mechanism comprises a plurality of stiffness varying damping rings that connect the frame and the back side plate.
5. The wearable portable air supply system of claim 4, wherein the variable stiffness damping ring comprises a damping ring outer ring and a damping ring inner ring arranged in the damping ring outer ring, wherein the damping ring outer ring is made of inflatable flexible materials and communicated with the air outlet, the vacuum degree of the inflatable flexible materials in the damping ring outer ring is adjusted in a manner of inflation and deflation, and damping particles are arranged in the damping ring inner ring.
6. The wearable portable air supply system of claim 5, further comprising a microcontroller and a backpack, wherein the frame is disposed in the backpack, a man-machine interaction control screen is disposed on the outer side of the backpack, the frame is divided into a plurality of compartments for respectively carrying an air storage tank, a power supply, the air pump, a pressure sensor, a silencer, the microcontroller, an electric proportional valve and a vibration detector, the air pump is connected to the air storage tank, the air storage tank is connected to the electric proportional valve through an oil mist separator, the electric proportional valve is connected to the air outlet, two pressure sensors are respectively connected to the air storage tank and the air outlet, and the microcontroller is respectively connected to the electric proportional valve, the pressure sensor, the vibration detector and the man-machine interaction control screen.
7. The wearable portable air supply system of claim 6, wherein the microcontroller is configured to separately control the stiffness of the pneumatic leaf spring stiffness varying mechanism and the pneumatic damping ring stiffness varying mechanism, respectively, and the number of the electrical proportional valves is the same as the number of the air outlets.
8. The wearable portable air supply system of any one of claims 1-7, wherein the inner wall and the outer wall of the frame are both wrapped with sound deadening cotton.
9. A wearable device, characterized in that the wearable device comprises the wearable portable air supply system of any one of claims 1-8 and an execution means connected to the wearable portable air supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310170689.1A CN116135258B (en) | 2023-02-27 | 2023-02-27 | Wearable portable air supply system and wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310170689.1A CN116135258B (en) | 2023-02-27 | 2023-02-27 | Wearable portable air supply system and wearable device |
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| CN116135258A CN116135258A (en) | 2023-05-19 |
| CN116135258B true CN116135258B (en) | 2025-10-03 |
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| CN1895701A (en) * | 2005-07-15 | 2007-01-17 | 布伦斯维克公司 | Treadmill deck support |
| CN204181850U (en) * | 2014-10-25 | 2015-03-04 | 厦门蒙发利科技（集团）股份有限公司 | A kind of comfortable type massage armchair |
| CN209983646U (en) * | 2019-02-25 | 2020-01-24 | 长沙天下创新科技有限公司 | Anti-bumping individual backpack radio station |
| CN211983855U (en) * | 2020-04-14 | 2020-11-24 | 青岛美康防火科技股份有限公司 | Temperature-resistant flame-retardant protective clothing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5848650B2 (en) * | 2012-03-23 | 2016-01-27 | Ｋｙｂ株式会社 | Shock absorber with height adjustment function |
| CN104044569A (en) * | 2013-03-13 | 2014-09-17 | 上海旭岛汽车零部件有限公司 | Elastic shock absorbing device for connection between electric vacuum pump and installing support frame |
| CN203970887U (en) * | 2014-07-04 | 2014-12-03 | 奥弗锐(福建)电子科技有限公司 | Quiet massage apparatus for foot |
| CN107242958B (en) * | 2017-05-23 | 2019-09-24 | 华中科技大学 | A kind of flexible exoskeleton glove system for hand rehabilitation training |
| CN215024411U (en) * | 2021-05-26 | 2021-12-07 | 吉林大学第一医院 | A portable oxygen backpack |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1895701A (en) * | 2005-07-15 | 2007-01-17 | 布伦斯维克公司 | Treadmill deck support |
| CN204181850U (en) * | 2014-10-25 | 2015-03-04 | 厦门蒙发利科技（集团）股份有限公司 | A kind of comfortable type massage armchair |
| CN209983646U (en) * | 2019-02-25 | 2020-01-24 | 长沙天下创新科技有限公司 | Anti-bumping individual backpack radio station |
| CN211983855U (en) * | 2020-04-14 | 2020-11-24 | 青岛美康防火科技股份有限公司 | Temperature-resistant flame-retardant protective clothing |
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| CN116135258A (en) | 2023-05-19 |
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