CN114236051A - Non-adhesion type gas detection robot - Google Patents
Non-adhesion type gas detection robot Download PDFInfo
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- CN114236051A CN114236051A CN202111525308.4A CN202111525308A CN114236051A CN 114236051 A CN114236051 A CN 114236051A CN 202111525308 A CN202111525308 A CN 202111525308A CN 114236051 A CN114236051 A CN 114236051A
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- 238000001514 detection method Methods 0.000 title claims abstract description 100
- 239000010408 film Substances 0.000 claims abstract description 47
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000010409 thin film Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims 5
- 238000004804 winding Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an adhesion-free gas detection robot which comprises a main body, wherein idler wheels are installed on the lower side wall of the main body, an installation groove is formed in the upper side wall of the main body, a detection cylinder and an installation cylinder are installed in the installation groove, a separation mechanism is arranged on the installation cylinder and comprises two motors and a telescopic rod which are fixed on the installation cylinder, the driving ends of the two motors are respectively fixed with a discharging roller and a winding roller, and a thin film is connected between the discharging roller and the winding roller. Has the advantages that: according to the invention, the gas is sucked in for detection through the concave of the film, on one hand, the gas is gathered and the detection is convenient, on the other hand, the gas is completely pushed out through the pulling-out and unfolding of the subsequent film, the residue is avoided, the film part is replaced through the rolling-up and unfolding of the subsequent film, the gas detection can be realized for many times, no gas residue at the last time is ensured in each detection process, and the precision is higher.
Description
Technical Field
The invention relates to the technical field of robots, in particular to an adhesion-free gas detection robot.
Background
A robot is an intelligent machine that can work semi-autonomously or fully autonomously. The robot has basic characteristics of perception, decision, execution and the like, can assist or even replace human beings to finish dangerous, heavy and complex work, improves the work efficiency and quality, serves human life, and expands or extends the activity and capability range of the human beings.
Prior art CN110823775A discloses a robot for detecting gas cleanliness. One embodiment of the robot includes: robot and set up positioner, mobile device, detection device and the controlling means on robot, wherein: the control device is configured to: sending a positioning instruction to a positioning device in response to receiving a gas cleanliness detection request for a target site; receiving position information sent by a positioning device; sending a movement instruction to the mobile device based on the location information and the map of the target place; receiving and outputting a detection result sent by the detection device; the positioning device is configured to: acquiring position information of a current position; the detection device is configured to: detecting the gas cleanliness of the current position to obtain a detection result; the mobile device is arranged at the bottom of the robot body and is configured to: driving the robot body to move from the current position to a position to be detected;
CN113502221A discloses a gas microorganism detection robot, which includes a mobile chassis, a gas path system, and an analysis system, wherein the mobile chassis includes an intelligent traveling device, the gas path system includes a sampling port, an intelligent gas pump, an intelligent gas valve, a disinfectant chamber, a tail gas port, and a connecting pipeline, the analysis system includes an acquisition module, a detection module, an interpretation module, and a report module, wherein the acquisition module includes a collection box, and the collection box is pre-loaded with a filler;
the above prior art all has the following problems: gas is introduced into the robot for detection, and when the position of the robot is switched subsequently, gas residue exists in the robot, so that the detection result is influenced.
To solve the above problems, we propose an adhesion-free gas detection robot.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an adhesion-free gas detection robot.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a gaseous detection robot of formula of not adhereing, comprises a main body, the gyro wheel is installed to the lower lateral wall of main part, the mounting groove has been seted up to the last lateral wall of main part, install a detection section of thick bamboo and an installation section of thick bamboo in the mounting groove, be provided with separation mechanism on the installation section of thick bamboo, separation mechanism is including fixing two motors and the telescopic link on the installation section of thick bamboo, two the drive end of motor is fixed with the blowing roller respectively and winds the material roller, the blowing roller with wind and be connected with the film between the material roller, the end of telescopic link is fixed with the test bar, be provided with test probe on the test bar.
In foretell gaseous detection robot of formula of adhereing, the fixed damper cylinder that is equipped with that inlays on the outer wall of main part, the tip of damper cylinder slides and inlays and be equipped with the collision pole, the cover is equipped with expanding spring on the outer wall of collision pole, expanding spring's both ends respectively with the outer wall of collision pole and the inner wall fixed connection of damper cylinder, the end fixing of collision pole has the piston plate that contacts with the damper cylinder inner wall, be equipped with the cooling tube of multistage and continuous setting in the main part, be connected with the outlet pipe between the tip of cooling tube and the tip of damper cylinder.
In the non-adhesion type gas detection robot, the other end of the cooling pipe is connected with the piston pipe, the end part of the piston pipe is movably provided with the slide rod, and the limiting sheet is fixed at one end of the slide rod, which is positioned in the piston pipe.
In foretell gaseous detection robot of formula of adhereing free, the cavity has been seted up to the tip of test bar inside, the tip of test bar slides and inserts and is equipped with the stripper bar, the one end that the stripper bar is located the cavity is fixed with the wedge, the cover is equipped with reset spring on the outer wall of test bar, reset spring's both ends respectively with the outer wall of stripper bar and the inner wall fixed connection of cavity, last slip of test bar is inserted and is equipped with and is vertical movable rod, the outer wall cover of movable rod is equipped with connecting spring, connecting spring's both ends respectively with the inner wall of cavity and the outer wall fixed connection of movable rod, the lower extreme of movable rod is located the cavity and contacts with the inclined plane of wedge, the fixed the inlaying of test probe is established on the outer wall of movable rod.
In the non-adhesion type gas detection robot, the height of the section of the wedge-shaped block is gradually reduced from left to right.
In the non-adhesion type gas detection robot, the lower end of the movable rod is arranged in an arc shape.
In the non-adhesion type gas detection robot, the width of the thin film is larger than the diameter of the detection cylinder.
Compared with the prior art, this gaseous detection robot of non-adhesion formula's advantage lies in:
1. when the collision rod collides with the outside, the collision rod is extruded to move towards the inner side, the piston plate is pushed to move, water is pushed to flow in the cooling pipe, the slide rod is pushed to move out of the cooling pipe, collision buffering adsorption is carried out through the reverse elasticity of the telescopic spring and the flowing resistance of the water, the stability of the main body is ensured, and meanwhile, the heat absorption effect of the water can be improved through the flowing of the water;
2. the film is arranged, the driving end of the telescopic rod extends out, the motor drives the discharging roller to rotate to unfold the film, the detection rod continues to extrude the film to the concave part of the detection cylinder, the film forms a suction effect in the process of recessing, surrounding gas is sucked into the concave part formed by the film, and gas detection is carried out through the detection probe;
3. after gas detection is finished, a motor is started to drive a winding roller to rotate, a film is wound, a telescopic rod drives a detection rod to move out of a detection cylinder, all gas is pushed out in the film winding process, meanwhile, substances remained in the film are wound and wound, the substances are prevented from remaining in the detection cylinder, the motor drives the discharging roller to rotate in the film winding process, a new film is unfolded, and the film is replaced;
in conclusion, the gas is sucked in for detection through the concave part of the film, on one hand, the gas is gathered and the detection is convenient to carry out due to the concave part of the film, on the other hand, the gas is completely pushed out through the pulling-out and the unfolding of the subsequent film, the residual is avoided, the film part is replaced through the rolling-up and the unfolding of the subsequent film, the gas detection can be carried out for many times, the last gas residue is avoided in each detection process, and the precision is higher.
Drawings
FIG. 1 is a schematic structural diagram of a non-adhesion gas detection robot according to the present invention;
FIG. 2 is a cross-sectional view of a damper cylinder in an unadhered gas detection robot according to the present invention;
FIG. 3 is a combination diagram of the connection between the detection cylinder and the blocking mechanism in the non-adhesive gas detection robot according to the present invention;
FIG. 4 is an exploded view of the connection between the detection cylinder and the blocking mechanism of the non-adhesive gas detection robot according to the present invention;
FIG. 5 is an enlarged view of the structure of portion A of FIG. 4;
fig. 6 is a cross-sectional view of an end portion of a detection rod in a non-adhesion type gas detection robot according to the present invention.
In the figure: the device comprises a main body 1, rollers 2, mounting grooves 3, mounting barrels 4, connecting springs 5, damping barrels 6, collision rods 7, piston plates 8, telescopic springs 9, cooling pipes 10, piston pipes 11, sliding rods 12, detection barrels 13, motors 14, discharge rollers 15, winding rollers 16, thin films 17, telescopic rods 18, detection rods 19, extrusion rods 20, movable rods 21, wedge-shaped blocks 22, reset springs 23 and detection probes 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a non-adhesive gas detection robot comprises a main body 1, a roller 2 is installed on the lower side wall of the main body 1, a shock-absorbing cylinder 6 is fixedly embedded on the outer wall of the main body 1, a collision rod 7 is slidably embedded at the end of the shock-absorbing cylinder 6, a telescopic spring 9 is sleeved on the outer wall of the collision rod 7, two ends of the telescopic spring 9 are respectively and fixedly connected with the outer wall of the collision rod 7 and the inner wall of the shock-absorbing cylinder 6, a piston plate 8 contacting with the inner wall of the shock-absorbing cylinder 6 is fixed at the end of the collision rod 7, a plurality of sections of cooling pipes 10 are continuously arranged in the main body 1, a water outlet pipe is connected between the end of the cooling pipe 10 and the end of the shock-absorbing cylinder 6, a piston pipe 11 is connected to the other end of the cooling pipe 10, a slide rod 12 is movably arranged at the end of the piston pipe 11, a limiting piece is fixed at one end of the slide rod 12 positioned in the piston pipe 11, the slide rod 12 is prevented from being separated from the piston pipe 11 by the limiting piece, the intussuseption of damper cylinder 6 is filled with the cooling water that is located 8 right sides of piston plate, the cooling water carries out thermal absorption derivation in main part 1 in cooling tube 10, when bumping post 7 collides with the outside, extrusion bumping post 7 moves toward the inboard, promote piston plate 8 and remove, it flows in cooling tube 10 to promote water, and promote slide bar 12 and move out toward the outside, the buffering that collides is carried out through the reverse elasticity of expanding spring 9 and the resistance that rivers flow adsorbs, guarantee the stability of main part 1, simultaneously can improve the endothermic effect of water through the flow of water.
The upper side wall of the main body 1 is provided with a mounting groove 3, a detection cylinder 13 and a mounting cylinder 4 are mounted in the mounting groove 3, a separation mechanism is arranged on the mounting cylinder 4 and comprises two motors 14 and a telescopic rod 18 which are fixed on the mounting cylinder 4, the driving ends of the two motors 14 are respectively fixed with a discharging roller 15 and a winding roller 16, a film 17 is connected between the discharging roller 15 and the winding roller 16, the width of the film 17 is larger than the diameter of the detection cylinder 13, the edge of the film 17 is always positioned at the outer side of the detection cylinder 13 when the film 17 is pushed in, gas is further prevented from entering the detection cylinder 13 from the edge, the driving end of the telescopic rod 18 extends out by a certain length, the film 17 is extruded to be slightly bent into the detection cylinder 13, the end part of the detection cylinder 13 is blocked, when gas is detected, the main body 1 is moved to a detection position through the roller 2, the driving end of the telescopic rod 18 continues to extend out, the motor 14 drives the discharging roller 15 to rotate to expand the film 17, the detection rod 19 continues to extrude the film 17 to the detection cylinder 13 to be concave, the film 17 forms a suction effect in the process of being concave, surrounding gas is sucked into the concave formed by the film 17, gas detection is carried out through the detection probe 24, after the gas detection is finished, the motor 14 is started to drive the winding roller 16 to rotate, the film 17 is wound, the telescopic rod 18 drives the detection rod 19 to move out of the detection cylinder 13, all gas is pushed out in the process of winding the film 17, meanwhile, substances remained in the film 17 are wound and wound, the motor 14 drives the discharging roller 15 to rotate in the process of winding the film 17, new film 17 is expanded to replace the film 17, the film 17 is arranged to avoid the substances from being adhered to the inner wall of the detection cylinder 13, and all gas is pushed out from the interior of the detection cylinder 13 in the process of winding the film 17, avoid gas to remain in detecting a section of thick bamboo 13, repeat above-mentioned action again, the sunken air current that inhales through film 17 detects, the rolling is released gas, can realize gas detection many times, and guarantees the precision that detects.
A detection rod 19 is fixed at the end of the telescopic rod 18, a detection probe 24 is arranged on the detection rod 19, a cavity is arranged inside the end of the detection rod 19, an extrusion rod 20 is inserted into the end of the detection rod 19 in a sliding manner, a wedge block 22 is fixed at one end of the extrusion rod 20 positioned in the cavity, a return spring 23 is sleeved on the outer wall of the detection rod 19, two ends of the return spring 23 are respectively fixedly connected with the outer wall of the extrusion rod 20 and the inner wall of the cavity, a vertical movable rod 21 is inserted on the upper side of the detection rod 19 in a sliding manner, a connecting spring 5 is sleeved on the outer wall of the movable rod 21, two ends of the connecting spring 5 are respectively fixedly connected with the inner wall of the cavity and the outer wall of the movable rod 21, the lower end of the movable rod 21 is positioned in the cavity and is contacted with the inclined plane of the wedge block 22, the lower end of the movable rod 21 is arranged in an arc shape, the height of the wedge block 22 gradually decreases from left to right, the detection probe 24 is fixedly embedded on the outer wall of the movable rod 21, the in-process that telescopic link 18 promoted 19 toward detecting the removal of a section of thick bamboo 13, film 17 is sunken, the tip of 19 of measuring rod and the inner wall contact of detecting a section of thick bamboo 13, extrusion stem 20 contracts, extrusion stem 20 drives wedge 22 and moves towards the right side, along with the inclined plane height of 21 end contact of movable rod is higher and higher, jack-up movable rod 21 up, make 24 and the gas contact who is located film 17 of test probe, realize gaseous detection achievement, after the detection, telescopic link 18 drives 19 removals of measuring stem 19, no longer extrude 20, the movable rod 21 moves back under the reverse elasticity of coupling spring 5, make 24 of test probe withdraw to the cavity in, the problem of polluting is exposed all the time to the cause of test probe 24 has been avoided.
According to the invention, the air is sucked in for detection through the concave of the film 17, on one hand, the concave of the film 17 realizes the collection of the air and is convenient for detection, on the other hand, the air can be completely pushed out through the pulling-out and unfolding of the subsequent film 17, the residue is avoided, and the part of the film 17 pushed into the detection cylinder 13 is replaced through the rolling-up and unfolding of the subsequent film 17, so that the air detection can be realized for many times, no previous air residue is ensured in each detection process, and the precision is higher.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a gaseous detection robot of non-adhesive formula, includes main part (1), its characterized in that, gyro wheel (2) are installed to the lower lateral wall of main part (1), mounting groove (3) have been seted up to the last lateral wall of main part (1), install in mounting groove (3) and detect a section of thick bamboo (13) and an installation section of thick bamboo (4), be provided with separation mechanism on an installation section of thick bamboo (4), separation mechanism is including fixing two motor (14) and telescopic link (18) on an installation section of thick bamboo (4), two the drive end of motor (14) is fixed with blowing roller (15) respectively and winds material roller (16), blowing roller (15) and wind and be connected with between material roller (16) thin film (17), the end of telescopic link (18) is fixed with test bar (19), be provided with test probe (24) on test bar (19).
2. The non-adhesion gas detection robot of claim 1, characterized in that, the outer wall of main part (1) is fixed to be inlayed and is equipped with shock tube (6), the tip of shock tube (6) slides and is inlayed and is equipped with collision pole (7), the cover is equipped with expanding spring (9) on the outer wall of collision pole (7), the both ends of expanding spring (9) respectively with the outer wall of collision pole (7) and the inner wall fixed connection of shock tube (6), the end fixing of collision pole (7) has piston plate (8) that contact with shock tube (6) inner wall, be equipped with cooling tube (10) of multistage and continuous setting in main part (1), be connected with the outlet pipe between the tip of cooling tube (10) and the tip of shock tube (6).
3. The non-adhesion type gas detection robot according to claim 2, wherein a piston tube (11) is connected to the other end of the cooling tube (10), a sliding rod (12) is movably arranged at the end of the piston tube (11), and a limiting sheet is fixed to one end of the sliding rod (12) located in the piston tube (11).
4. The non-adhesion gas detection robot according to claim 1, wherein a cavity is formed in the end of the detection rod (19), an extrusion rod (20) is slidably inserted into the end of the detection rod (19), a wedge (22) is fixed at one end of the extrusion rod (20) located in the cavity, a return spring (23) is sleeved on the outer wall of the detection rod (19), two ends of the return spring (23) are respectively fixedly connected with the outer wall of the extrusion rod (20) and the inner wall of the cavity, a vertical movable rod (21) is slidably inserted into the upper end of the detection rod (19), a connection spring (5) is sleeved on the outer wall of the movable rod (21), two ends of the connection spring (5) are respectively fixedly connected with the inner wall of the cavity and the outer wall of the movable rod (21), the lower end of the movable rod (21) is located in the cavity and is in contact with the inclined plane of the wedge (22), the detection probe (24) is fixedly embedded on the outer wall of the movable rod (21).
5. The non-adhesion type gas detection robot according to claim 4, wherein the height of the wedge-shaped block (22) is gradually reduced from left to right.
6. The non-adhesion type gas detection robot according to claim 4, wherein the lower end of the movable rod (21) is arranged in an arc shape.
7. The non-adhesive gas detection robot according to claim 1, wherein the width of the film (17) is larger than the diameter of the detection cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111525308.4A CN114236051B (en) | 2021-12-14 | 2021-12-14 | Non-adhesion type gas detection robot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111525308.4A CN114236051B (en) | 2021-12-14 | 2021-12-14 | Non-adhesion type gas detection robot |
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| Publication Number | Publication Date |
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| CN114236051A true CN114236051A (en) | 2022-03-25 |
| CN114236051B CN114236051B (en) | 2023-11-24 |
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| CN202210090U (en) * | 2011-09-06 | 2012-05-02 | 南昌欧菲光科技有限公司 | Residual gas analyzing device used on winding film plating machine |
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| CN203837943U (en) * | 2014-05-26 | 2014-09-17 | 厦门大学附属第一医院 | Membrane belt replaceable type sampling device |
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| CN209961746U (en) * | 2018-09-30 | 2020-01-17 | 四川科瑞达电子技术有限公司 | Real-time sampling device for radioactive aerosol |
| CN213568791U (en) * | 2020-09-22 | 2021-06-29 | 杭州职业技术学院 | Automatic film changing system |
| CN113640070A (en) * | 2021-10-13 | 2021-11-12 | 徐州市元亨新能源开发有限公司 | Automatic dust sampler |
| CN214845133U (en) * | 2021-05-27 | 2021-11-23 | 长沙光子电气科技有限公司 | Atmospheric environment monitoring device |
-
2021
- 2021-12-14 CN CN202111525308.4A patent/CN114236051B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202210090U (en) * | 2011-09-06 | 2012-05-02 | 南昌欧菲光科技有限公司 | Residual gas analyzing device used on winding film plating machine |
| JP2014081367A (en) * | 2012-09-25 | 2014-05-08 | Hokuriku Electric Ind Co Ltd | Gas sensor |
| CN203837943U (en) * | 2014-05-26 | 2014-09-17 | 厦门大学附属第一医院 | Membrane belt replaceable type sampling device |
| CN108593852A (en) * | 2018-05-03 | 2018-09-28 | 佛山市川东磁电股份有限公司 | A kind of gas sensor residual sample gas remove device |
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| CN213568791U (en) * | 2020-09-22 | 2021-06-29 | 杭州职业技术学院 | Automatic film changing system |
| CN214845133U (en) * | 2021-05-27 | 2021-11-23 | 长沙光子电气科技有限公司 | Atmospheric environment monitoring device |
| CN113640070A (en) * | 2021-10-13 | 2021-11-12 | 徐州市元亨新能源开发有限公司 | Automatic dust sampler |
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| CN114236051B (en) | 2023-11-24 |
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