CN113359910A - A environmental test case intelligence control system for car light inspection - Google Patents
A environmental test case intelligence control system for car light inspection Download PDFInfo
- Publication number
- CN113359910A CN113359910A CN202110742073.8A CN202110742073A CN113359910A CN 113359910 A CN113359910 A CN 113359910A CN 202110742073 A CN202110742073 A CN 202110742073A CN 113359910 A CN113359910 A CN 113359910A
- Authority
- CN
- China
- Prior art keywords
- inspection
- cavity
- control system
- environmental test
- intelligent control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Automation & Control Theory (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses an intelligent control system of an environmental test chamber for vehicle lamp inspection, which comprises an inspection chamber, wherein a controller is arranged on one side of the inspection chamber, a detection module and a processor are arranged in the controller, two partition plates are arranged in the inspection chamber, the interior of the inspection chamber is divided into three inspection chambers by the two partition plates, a vibration mechanism is arranged on the inner walls of the three inspection chambers, an inspection device is arranged on the vibration mechanism, a first cavity is formed in the top end of the inspection chamber, a plurality of atomization spray heads are arranged on the inner walls of the tops of the three inspection chambers, and the plurality of atomization spray heads are communicated with the first cavity. The invention can automatically detect a plurality of vehicle lamps of the same type at the same time, can also automatically detect a plurality of vehicle lamps of different types at the same time, and can reduce the use times of the air delivery pump when automatically detecting the plurality of vehicle lamps, thereby prolonging the service life of the air delivery pump.
Description
Technical Field
The invention relates to the technical field of vehicle lamp detection, in particular to an intelligent control system of an environmental test chamber for vehicle lamp detection.
Background
Technological advances are always dependent on experimental runs that inevitably require control of experimental environmental conditions, most typically temperature and humidity control. When examining the car light, generally need follow the temperature, humidity is convenient to examine it, but when current car light was examined, place a plurality of car lights and carry out the low temperature in turn in a laboratory usually, the inspection of medium temperature and high temperature, heat the laboratory through heating device, a plurality of car lights are examined, then need switch heating device many times to change the temperature in the laboratory, this kind of mode is not only low in inspection efficiency, frequent switch not only consumes the energy simultaneously, can shorten the life of machine simultaneously.
Disclosure of Invention
The invention aims to provide an intelligent control system of an environmental test chamber for vehicle lamp inspection, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent control system of an environmental test chamber for vehicle lamp inspection comprises an inspection chamber, a controller is arranged on one side of the inspection chamber, a detection module and a processor are arranged in the controller, two clapboards are arranged in the inspection box, the interior of the inspection box is divided into three inspection chambers by the two clapboards, the inner walls of the three inspection chambers are provided with a vibration mechanism, the vibration mechanism is provided with a checker, a first cavity is arranged inside the top end of the checking box, the inner walls of the tops of the three checking chambers are respectively provided with a plurality of atomizing spray heads, the plurality of atomizing spray heads are respectively communicated with the first cavity, three second cavities are arranged inside the bottom end of the inspection box, a plurality of air holes are arranged on the inner wall of the top end of each second cavity, one side of inspection case is provided with conveying mechanism, and three all be provided with the blast pipe in the inspection chamber.
Preferably, the controller is connected with the three testers through leads, and the detection module comprises a current detection unit and a voltage detection unit.
Preferably, the vibration mechanism includes U-shaped plate, diaphragm, a plurality of spring and vibrating mass, the U-shaped plate sets up on the inner wall of inspection chamber, the diaphragm slides and sets up on the U-shaped plate, a plurality of the bottom of spring all sets up the top of diaphragm, a plurality of the top of spring all with correspond the rating the bottom of inspector is connected, the vibrating mass sets up the bottom of diaphragm, vibrating mass and treater electric connection.
Preferably, conveying mechanism includes water tank, heating cabinet, U-shaped pipe, gas-supply pipe and gas transmission pump, one side of inspection case is provided with the backup pad, the water tank with the heating cabinet sets up respectively the top and the bottom of backup pad, the both ends of U-shaped pipe respectively with the water tank with the heating cabinet intercommunication, the one end of gas-supply pipe with the surface intercommunication of U-shaped pipe, the gas transmission pump sets up on the gas-supply pipe, the gas transmission pump with treater electric connection.
Preferably, the bottom of inspection case is provided with the third cavity, three connecting hole has been seted up at the top of third cavity, and is three the connecting hole respectively with correspond the second cavity intercommunication, the water tank with one side of heating cabinet all is provided with the connecting pipe, two the connecting pipe communicates with first cavity and third cavity respectively.
Preferably, the port of the atomizing nozzle is provided with an electromagnetic valve A, the connecting hole is internally provided with an electromagnetic valve B, the two ends of the U-shaped pipe are internally provided with electromagnetic valves C, and the electromagnetic valves A, B and C are electrically connected with the processor.
Preferably, two heat insulation plates are arranged in the inspection chamber, a temperature sensor and a humidity sensor are respectively arranged at the upper end and the lower end of one side of each heat insulation plate, and the temperature sensor and the humidity sensor are electrically connected with the processor.
Preferably, be provided with level sensor on the one side inner wall of water tank, be provided with a plurality of heating rod in the heating cabinet, level sensor and a plurality of heating rod all with treater electric connection.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with the vibrating block and the detecting module, different vibration frequencies are simulated through the vibrating block, and current detection and voltage detection can be carried out on the car lamp through the current detecting unit and the voltage detecting unit in the detecting module;
2. the automobile lamp humidifying device is also provided with the exhaust pipe, the conveying mechanism, the connecting pipe, the first cavity, the second cavity, the third cavity, the atomizing spray head, the connecting hole, the electromagnetic valve A, the electromagnetic valve B and the electromagnetic valve B, and can be used for humidifying or heating different inspection rooms respectively, so that the automobile lamp detecting efficiency is improved, and the energy consumption is saved.
Drawings
FIG. 1 is a schematic sectional front view of the present invention;
FIG. 2 is a schematic view of a module connection structure according to the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. a checking box; 2. a controller; 3. a partition plate; 4. a vibration mechanism; 401. a U-shaped plate; 402. a transverse plate; 403. a spring; 404. vibrating the block; 5. a checker; 6. an atomizing spray head; 7. a conveying mechanism; 701. a water tank; 702. a heating box; 703. a U-shaped tube; 704. a gas delivery pipe; 705. an air delivery pump; 8. an exhaust pipe; 9. a connecting pipe; 10. an electromagnetic valve A; 11. a solenoid valve B; 12. a solenoid valve C; 13. a heat insulation plate; 14. a temperature sensor; 15. a humidity sensor; 16. a liquid level sensor; 17. the rod is heated.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an intelligent control system of an environmental test box for vehicle lamp inspection comprises a test box 1, a controller 2 is installed on one side of the test box 1, a detection module and a processor are installed in the controller 2, two partition plates 3 are installed in the test box 1, the interior of the test box 1 is divided into three test chambers by the two partition plates 3, vibration mechanisms 4 are installed on the inner walls of the three test chambers, testers 5 are installed on the vibration mechanisms 4, a first cavity is formed in the top end of the test box 1, a plurality of atomizing spray heads 6 are installed on the inner walls of the tops of the three test chambers, the plurality of atomizing spray heads 6 are communicated with the first cavity, three second cavities are formed in the bottom end of the test box 1, a plurality of air holes are formed in the inner wall of the top end of each second cavity, a conveying mechanism 7 is installed on one side of the test box 1, and exhaust pipes 8 are installed in the three test chambers;
the controller 2 is connected with the three testers 5 through leads, the detection module comprises a current detection unit and a voltage detection unit, the vibration mechanism 4 comprises a U-shaped plate 401, a transverse plate 402, a plurality of springs 403 and a vibration block 404, the U-shaped plate 401 is installed on the inner wall of the test chamber, the transverse plate 402 is slidably installed on the U-shaped plate 401, the bottom ends of the springs 403 are all installed at the top of the transverse plate 402, the top ends of the springs 403 are all connected with the bottom of the corresponding rated tester 5, the vibration block 404 is installed at the bottom of the transverse plate 402, the vibration block 404 is electrically connected with the processor, the conveying mechanism 7 comprises a water tank 701, a heating box 702, a U-shaped pipe 703, an air pipe 704 and an air conveying pump 705, a support plate is installed at one side of the test box 1, the water tank 701 and the heating box 702 are respectively installed at the top and the bottom of the support plate, the two ends of the U-shaped pipe 703 are respectively communicated with the water tank 701 and the heating box 702, one end of an air conveying pipe 704 is communicated with the surface of a U-shaped pipe 703, an air conveying pump 705 is installed on the air conveying pipe 704, the air conveying pump 705 is electrically connected with a processor, a third cavity is installed at the bottom of a detection box 1, three connecting holes are formed in the top of the third cavity and are respectively communicated with corresponding second cavities, connecting pipes 9 are installed on one sides of a water tank 701 and a heating box 702, the two connecting pipes 9 are respectively communicated with the first cavity and the third cavity, an electromagnetic valve A10 is installed at the port of an atomizing nozzle 6, an electromagnetic valve B11 is installed in each connecting hole, an electromagnetic valve C12 is installed inside each end of the U-shaped pipe 703, an electromagnetic valve A10, an electromagnetic valve B11 and an electromagnetic valve C12 are both electrically connected with the processor, two heat insulation plates 13 are installed in the detection chamber, a temperature sensor 14 and a humidity sensor 15 are respectively installed at the upper end and the lower end of one side of each heat insulation plate 13, a temperature sensor 14 and a humidity sensor 15 are both electrically connected with the processor, install level sensor 16 on the one side inner wall of water tank 701, install a plurality of heating rod 17 in the heating cabinet 702, level sensor 16 and a plurality of heating rod 17 all with treater electric connection.
The working principle is as follows: the three lamps with the same lamp or three different lamps are respectively placed in three inspection chambers, the lamps are arranged on an inspection device 5 and then powered on, a processor can control a vibrating block 404 to vibrate, then whether the lamp voltage and the current of the lamps are influenced or not is detected through a detection module, when the humidity in the three inspection chambers needs to be adjusted, the processor controls a gas transmission pump 705 to work, at the moment, an electromagnetic valve C12 at the upper end of a U-shaped pipe 703 is opened, an electromagnetic valve C12 at the lower end of the U-shaped pipe 703 is closed, the gas transmission pump 705 presses water in a water tank 701 into a connecting pipe 9 connected with the gas transmission pump through the gas transmission pipe 704 and the U-shaped pipe 703 and then sends the water into a first cavity, meanwhile, an electromagnetic valve A10 is controlled to be opened, water flows are atomized by an atomizing nozzle 6 and then act into the three inspection chambers for humidification, when the three lamps are the same, only the rated value of a humidity sensor 15 needs to be arranged at a larger value, when the humidity in the inspection chambers reaches the rated value, the processor controls the air delivery pump 705 to stop working, then current and voltage of the three vehicle lamps are analyzed and recorded through a current detection unit and a voltage detection unit in the detection module, then a lower humidity rated value is set for the humidity sensor 15 through the processor, the exhaust pipe 8 is externally connected with a ventilation device, partial moisture in the inspection chamber can be extracted, so that the moisture in the inspection chamber is reduced, the vehicle lamps can be inspected again when the rated value is reached, and therefore the inspection of the influence of different humidity concentrations on the vehicle lamps can be completed only by using the air delivery pump 705 once;
when the three vehicle lamps are of different types, the definition standards of high-concentration humidity of different vehicle lamps are different, at the same time, the processor controls the operation of the air transmission pump 705, the electromagnetic valve C12 at the upper end of the U-shaped pipe 703 is opened, the electromagnetic valve C12 at the lower end of the U-shaped pipe 703 is closed, the air transmission pump 705 presses water in the water tank 701 into the connecting pipe 9 connected with the air transmission pump through the air transmission pipe 704 and the U-shaped pipe 703 and then sends the water into the first cavity, the electromagnetic valve A10 is simultaneously controlled to be opened, water is atomized by the atomizing nozzle 6 and then acts into the three inspection chambers for humidification, different rated values of the humidity sensors 15 in the three inspection chambers can be set, the humidity sensors 15 in the three inspection chambers can monitor whether the humidity in the inspection chambers reaches the rated values in real time, and if the rated values are reached, the electromagnetic valve A10 on the corresponding atomizing nozzle 6 can be closed, the inspection chambers are not humidified any more, at this time, the air delivery pump 705 continues to work to humidify the other two inspection chambers, when the humidity in the three humidity sensors 15 reaches the rated value, the air delivery pump 705 stops working, the detection module continues to detect the current and voltage change conditions of different car lamps under the corresponding humidity concentration, and the humidity in the inspection chambers can be changed through the corresponding exhaust pipes 8 to continue detection. By analogy, the inspection chamber can be heated to detect the effect on the vehicle lamp. The invention can automatically detect a plurality of vehicle lamps of the same type at the same time, can also automatically detect a plurality of vehicle lamps of different types at the same time, and can reduce the use times of the gas transmission pump 705 when automatically detecting the plurality of vehicle lamps, thereby prolonging the service life of the gas transmission pump 705.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an environmental test case intelligence control system for car light inspection, includes inspection case (1), its characterized in that: a controller (2) is arranged on one side of the inspection box (1), a detection module and a processor are arranged in the controller (2), two partition plates (3) are arranged in the inspection box (1), the interior of the inspection box (1) is divided into three inspection chambers by the two partition plates (3), a vibration mechanism (4) is arranged on the inner wall of each of the three inspection chambers, an inspector (5) is arranged on each vibration mechanism (4), a first cavity is formed in the top end of the inspection box (1), a plurality of atomizing nozzles (6) are arranged on the inner wall of the top of each of the three inspection chambers, the plurality of atomizing nozzles (6) are communicated with the first cavity, three second cavities are formed in the bottom end of the inspection box (1), a plurality of air holes are formed in the inner wall of the top end of each second cavity, a conveying mechanism (7) is arranged on one side of the inspection box (1), and exhaust pipes (8) are arranged in all three inspection chambers.
2. The environmental test chamber intelligent control system for vehicle lamp inspection according to claim 1, characterized in that: the controller (2) is connected with the three testers (5) through leads, and the detection module comprises a current detection unit and a voltage detection unit.
3. The environmental test chamber intelligent control system for vehicle lamp inspection according to claim 1, characterized in that: vibration mechanism (4) are including U-shaped board (401), diaphragm (402), a plurality of spring (403) and vibrating mass (404), U-shaped board (401) set up on the inner wall of inspection chamber, diaphragm (402) slide to set up on U-shaped board (401), a plurality of the bottom of spring (403) all sets up the top of diaphragm (402), a plurality of the top of spring (403) all with correspond the rating the bottom of inspector (5) is connected, vibrating mass (404) set up the bottom of diaphragm (402), vibrating mass (404) and treater electric connection.
4. The environmental test chamber intelligent control system for vehicle lamp inspection according to claim 1, characterized in that: conveying mechanism (7) include water tank (701), heating cabinet (702), U-shaped pipe (703), gas-supply pipe (704) and air delivery pump (705), one side of inspection box (1) is provided with the backup pad, water tank (701) with heating cabinet (702) set up respectively the top and the bottom of backup pad, the both ends of U-shaped pipe (703) respectively with water tank (701) with heating cabinet (702) intercommunication, the one end of gas-supply pipe (704) with the surface intercommunication of U-shaped pipe (703), air delivery pump (705) set up on gas-supply pipe (704), air delivery pump (705) with treater electric connection.
5. The environmental test chamber intelligent control system for vehicle lamp inspection according to claim 4, characterized in that: the bottom of inspection case (1) is provided with the third cavity, three connecting hole, three have been seted up at the top of third cavity the connecting hole respectively with correspond the second cavity intercommunication, water tank (701) with one side of heating cabinet (702) all is provided with connecting pipe (9), two connecting pipe (9) communicate with first cavity and third cavity respectively.
6. The environmental test chamber intelligent control system for vehicle lamp inspection according to claim 5, characterized in that: the port of atomizer (6) is provided with solenoid valve A (10), be provided with solenoid valve B (11) in the connecting hole, the inside solenoid valve C (12) that all is provided with in both ends of U-shaped pipe (703), solenoid valve A (10), solenoid valve B (11), solenoid valve C (12) all with treater electric connection.
7. The environmental test chamber intelligent control system for vehicle lamp inspection according to claim 1, characterized in that: the inspection chamber is internally provided with two heat insulation plates (13), the upper end and the lower end of one side of each heat insulation plate (13) are respectively provided with a temperature sensor (14) and a humidity sensor (15), and the temperature sensors (14) and the humidity sensors (15) are electrically connected with the processor.
8. The environmental test chamber intelligent control system for vehicle lamp inspection according to claim 4, characterized in that: be provided with level sensor (16) on one side inner wall of water tank (701), be provided with a plurality of heating rod (17) in heating cabinet (702), level sensor (16) and a plurality of heating rod (17) all with treater electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110742073.8A CN113359910A (en) | 2021-06-30 | 2021-06-30 | A environmental test case intelligence control system for car light inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110742073.8A CN113359910A (en) | 2021-06-30 | 2021-06-30 | A environmental test case intelligence control system for car light inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113359910A true CN113359910A (en) | 2021-09-07 |
Family
ID=77537657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110742073.8A Pending CN113359910A (en) | 2021-06-30 | 2021-06-30 | A environmental test case intelligence control system for car light inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113359910A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6824664B1 (en) * | 1999-11-04 | 2004-11-30 | Princeton University | Electrode-less dielectrophorises for polarizable particles |
| CN101885338A (en) * | 2010-06-13 | 2010-11-17 | 雷学军 | Intelligent sample detection and air purification device for air-conditioner ventilation system of train |
| CN102590073A (en) * | 2012-02-20 | 2012-07-18 | 武汉延锋时代检测技术服务有限公司 | Sun-shining resistant twist test board of car lamp |
| CN208350594U (en) * | 2018-05-29 | 2019-01-08 | 力帆实业(集团)股份有限公司 | A kind of anti-Performance Test System that hazes of lamps and lanterns |
| CN208705005U (en) * | 2018-09-27 | 2019-04-05 | 无锡帕捷科技有限公司 | Car light reliability test platform |
| CN209055308U (en) * | 2018-11-01 | 2019-07-02 | 成都弥荣科技发展有限公司 | A kind of system for car bulb detection |
| CN212341749U (en) * | 2020-06-20 | 2021-01-12 | 山东华材工程检测鉴定有限公司 | Temperature control device for laboratory detection |
-
2021
- 2021-06-30 CN CN202110742073.8A patent/CN113359910A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6824664B1 (en) * | 1999-11-04 | 2004-11-30 | Princeton University | Electrode-less dielectrophorises for polarizable particles |
| CN101885338A (en) * | 2010-06-13 | 2010-11-17 | 雷学军 | Intelligent sample detection and air purification device for air-conditioner ventilation system of train |
| CN102590073A (en) * | 2012-02-20 | 2012-07-18 | 武汉延锋时代检测技术服务有限公司 | Sun-shining resistant twist test board of car lamp |
| CN208350594U (en) * | 2018-05-29 | 2019-01-08 | 力帆实业(集团)股份有限公司 | A kind of anti-Performance Test System that hazes of lamps and lanterns |
| CN208705005U (en) * | 2018-09-27 | 2019-04-05 | 无锡帕捷科技有限公司 | Car light reliability test platform |
| CN209055308U (en) * | 2018-11-01 | 2019-07-02 | 成都弥荣科技发展有限公司 | A kind of system for car bulb detection |
| CN212341749U (en) * | 2020-06-20 | 2021-01-12 | 山东华材工程检测鉴定有限公司 | Temperature control device for laboratory detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102455714B (en) | Humidity control system of environmental testing chamber and control method thereof | |
| WO2023109974A1 (en) | Live reliability test system for electronic component | |
| CN211051217U (en) | Intelligent cloud fire-fighting inspection executor device | |
| CN106770945A (en) | Passenger car in-car air and furniture harmful substance burst size detection platform | |
| CN113359910A (en) | A environmental test case intelligence control system for car light inspection | |
| CN111397892A (en) | Service life aging platform for spray valve | |
| CN209138658U (en) | A kind of high low temperature cycles test case of adjustable humidity | |
| CN208443590U (en) | A kind of dehumidifier test device | |
| CN216868710U (en) | Temperature test box ultrasonic wave humidification system | |
| CN207636458U (en) | A kind of thin film testing constant temperature humidity chamber | |
| CN114858974A (en) | VOC (volatile organic compound) online monitor for organic acid environment | |
| CN211427168U (en) | Gas humidifying device of fuel cell test board | |
| CN113588527A (en) | Low-wind-pressure lead aging test system and method | |
| CN211856839U (en) | High-low temperature box integrated cabinet test system | |
| CN87201389U (en) | Edy/e model salt fog, sulphation corrosion testing box | |
| CN207936673U (en) | A kind of weaving drying unit with energy-saving effect | |
| CN215375711U (en) | Novel self-adaptation control by temperature change energy storage detection case of power lithium cell group | |
| CN212299412U (en) | Air outlet device with constant temperature and humidity function | |
| CN215911444U (en) | High-pressure atomization humidifier for fuel cell testing equipment | |
| CN219065237U (en) | Water and electricity separated composite salt fog test box | |
| CN215032128U (en) | Fresh air device for harmful substance release amount detection platform | |
| CN212988802U (en) | Improved temperature and humidity testing equipment | |
| CN111948108A (en) | Activated carbon gas adsorption performance simulation evaluation device | |
| CN213239883U (en) | Acid salt spray corrosion test box | |
| CN218003204U (en) | Marine atmosphere environment comprehensive corrosion test box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210907 |