Electromagnetic valve comprehensive performance test board system

By designing a comprehensive performance test bench system for solenoid valves, including a variety of test benches and control units, the problem that existing testing equipment cannot conduct comprehensive inspection is solved, and comprehensive inspection and data analysis of solenoid valves are realized, and the detection efficiency is improved.

CN120063707APending Publication Date: 2025-05-30YANGJIANG NUCLEAR POWER
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Patent Information

Application Number
CN202510176025.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-05-30

AI Technical Summary

Technical Problem

Existing solenoid valve testing equipment cannot be fully tested, data summary and analysis are difficult, and a comprehensive performance test bench system is lacking.

Method used

A comprehensive performance test bench system for solenoid valves is designed, including a reference test bench, an inclination angle test bench, a flow measurement test bench, a reliability test bench and an extreme condition test bench. The control unit and the gas supply and power supply units are electrically connected and connected to the gas circuit to achieve comprehensive inspection.

Benefits of technology

It realizes comprehensive inspection of solenoid valves, can comprehensively collect and analyze various inspection data, effectively evaluate the usage status of the solenoid valves, and improve detection efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention is suitable for the field of electromagnetic valve detection, and discloses an electromagnetic valve comprehensive performance test board system. Comprising a machine table, a reference test table arranged on the machine table and used for detecting the basic performance of the electromagnetic valve, an inclination angle test table arranged on the machine table and used for detecting the performance of the electromagnetic valve at different angles, and a flow measurement test table arranged on the machine table and used for measuring flow changes under different environmental conditions. The reliability test bed is arranged on the machine table and used for detecting action control of the electromagnetic valve, the limit condition test bed is arranged on the machine table and used for detecting limit performance under different working environments, and the control unit is electrically connected with the reference test bed, the reliability test bed, the inclination angle test bed, the flow measurement test bed and the limit condition test bed. The electromagnetic valve is detected through the reference test bench, the reliability test bench, the inclination angle test bench, the flow measurement test bench and the limit condition test bench, comprehensive detection of the electromagnetic valve can be completed, and the detection efficiency is greatly improved.
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Description

Technical Field

[0001] The present invention relates to the field of solenoid valve detection, and in particular to a comprehensive performance test bench system for solenoid valves. Background Art

[0002] A solenoid valve is an industrial device controlled by electricity. It is a basic automation component for controlling fluids and belongs to an actuator, not limited to hydraulic and pneumatic applications. It is used in industrial control systems to adjust parameters such as the direction, flow rate, speed, and other parameters of the medium. The solenoid valve can cooperate with different circuits to achieve the expected control, and both the control accuracy and flexibility can be ensured. Since the solenoid valve needs to work in a high-pressure and complex environment, a large number of performance tests and extreme tests are required for the solenoid valve. However, most of the existing test equipment is for testing one or two or three projects. Different tests need to be carried out on multiple pieces of equipment, which is costly, and the data obtained from the tests cannot be uniformly summarized and sorted. Personnel are required to summarize, sort, and analyze the data, and there is a lack of a comprehensive device for comprehensively detecting solenoid valves. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a comprehensive performance test bench system for solenoid valves.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a machine table, a reference test bench arranged on the machine table for detecting the basic performance of the solenoid valve, an inclination angle test bench arranged on the machine table for detecting the performance of the solenoid valve at different angles, a flow rate measurement test bench arranged on the machine table for measuring the flow rate change under different environmental conditions, a reliability test bench arranged on the machine table for detecting the action control of the solenoid valve, an extreme condition test bench arranged on the machine table for detecting the extreme performance under different working environments, and a control unit electrically connected to the reference test bench, the reliability test bench, the inclination angle test bench, the flow rate measurement test bench, and the extreme condition test bench, and a gas supply unit and a power supply unit connected to the reference test bench, the reliability test bench, the inclination angle test bench, the flow rate measurement test bench, and the extreme condition test bench.

[0005] In some embodiments, the reference test bench includes a first connection unit for connecting the circuit and gas path of the solenoid valve, a first DC power supply module electrically connected to the first connection unit, an electrical performance detection module electrically connected to the first connection unit, an AC / DC insulation resistance tester electrically connected to the first connection unit, and a first pressure control module pneumatically connected to the first connection unit. The control unit is electrically connected to the electrical performance detection module, the AC / DC insulation resistance tester, and the first pressure control module.

[0006] In some embodiments, the first pressure control module includes a high-pressure gas path communicated with a compressed gas source and a low-pressure gas path communicated with the compressed gas source. The high-pressure gas path includes a first control valve communicated with the compressed gas source and a booster pump connected to the first control valve. The booster pump is connected to the first connection unit through a gas path. The low-pressure gas path includes an electro-pneumatic proportional valve for adjusting air pressure. The electro-pneumatic proportional valve is communicated with the compressed gas source and the first connection module.

[0007] In some embodiments, the high-pressure gas path includes a first gas tank for storing high-pressure air, and the low-pressure gas path includes a second gas tank for storing the adjusted air pressure. The first gas tank is arranged between the booster pump and the first connection unit, and the second gas tank is arranged between the electro-pneumatic proportional valve and the first connection module.

[0008] In some embodiments, the tilt angle test bench includes a second connection unit for connecting the circuit and gas path of the solenoid valve, a second DC power supply module electrically connected to the second connection unit, a second pressure control module connected to the second connection unit through a gas path, and a rotation unit for adjusting the angle of the solenoid valve. The control unit is electrically connected to the solenoid valve, the second DC power supply module and the second pressure control module.

[0009] In some embodiments, the flow measurement test bench includes a third connection unit for connecting the circuit and gas path of the solenoid valve, a pressure sensor connected to the compressed gas source, a temperature sensor connected to the compressed gas source, a pressure regulating valve connected to the compressed gas source, a switch valve arranged between the compressed gas source and the pressure regulating valve, and a third gas tank connected to the pressure regulating valve for storing the gas after pressure regulation. The third gas tank is connected to the third connection unit. The control unit is electrically connected to the pressure sensor, the temperature sensor, the pressure regulating valve and the switch valve.

[0010] In some embodiments, the reliability test bench includes a fourth connection unit for connecting the circuit and gas path of the solenoid valve, a magnetic field measuring instrument electrically connected to the fourth connection unit, a magnetic flux measuring instrument electrically connected to the fourth connection unit, an electrical performance detection module electrically connected to the fourth connection unit, an environmental temperature control device for heating and insulating the solenoid valve, and a temperature sensor arranged in the environmental temperature control device. The fourth connection unit is connected to the power supply unit. The control unit is connected to the magnetic field measuring instrument, the magnetic flux measuring instrument, the electrical performance detection module and the temperature sensor.

[0011] In some embodiments, the extreme condition test bench includes a fifth connection unit for connecting to the circuit and gas path of the solenoid valve, a pressure vessel for withstanding high pressure, a temperature and humidity environment chamber for heating, heat preservation, and humidity adjustment, a third pressure control module for adjusting the air pressure of the pressure vessel, the fifth connection unit is connected to the pressure vessel and the temperature and humidity environment chamber, the fifth connection unit is connected to the power supply unit, and the control unit is electrically connected to the third pressure control module and the temperature and humidity environment chamber.

[0012] In some embodiments, the machine platform includes a frame formed by assembling aluminum alloy profiles and a skin wrapping the frame with sheet metal.

[0013] In some embodiments, the control unit includes a programmable logic controller for controlling the operation of the test bench system, a high-speed acquisition card for collecting test data of each test bench, and an industrial control computer for recording, processing, and storing the test process data collected by the high-speed acquisition card.

[0014] Implementing the solenoid valve comprehensive performance test bench system of the present invention has the following beneficial effects: By detecting the solenoid valve through the reference test bench, the reliability test bench, the tilt angle test bench, the flow measurement test bench, and the extreme condition test bench, a comprehensive detection of the solenoid valve can be completed, all detection data can be comprehensively collected, summarized, and analyzed, the usage status of the solenoid valve can be effectively evaluated, and the detection efficiency can be greatly improved. Description of the Drawings

[0015] To more clearly illustrate the technical solutions of the present invention, the present invention will be further described below in conjunction with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts. In the drawings:

[0016] Figure 1 is the overall diagram of a solenoid valve comprehensive performance test bench system in an embodiment of the present invention;

[0017] Figure 2 is the composition diagram of a solenoid valve comprehensive performance test bench system in an embodiment of the present invention;

[0018] Figure 3 is the high-pressure and low-pressure gas path diagram of a solenoid valve comprehensive performance test bench system in an embodiment of the present invention;

[0019] Figure 4 is the structural diagram of the extreme condition test bench of a solenoid valve comprehensive performance test bench system in an embodiment of the present invention.

[0020] Reference numerals

[0021] 100, reference test bench; 110, first connection unit; 120, AC / DC insulation resistance tester; 130, first pressure control module; 140, electrical performance detection module; 150, booster pump; 151, first control valve; 152, electro-hydraulic proportional valve; 153, first air tank; 154, second air tank; 160, compressed air source; 200, tilt angle test bench; 210, second connection unit; 220, second pressure control module; 230, rotating unit; 300, flow measurement test bench; 310, third connection unit; 320, pressure sensor; 400, reliability test bench; 410, fourth connection unit; 420, magnetic flux meter; 430, magnetic field meter; 500, extreme condition test bench; 510, fifth connection unit; 520, temperature and humidity chamber; 530, pressure vessel; 600, control unit; 610, display; 620, control host; 700, machine platform; 800, solenoid valve. Detailed implementation manners

[0022] For a clearer understanding of the technical features, objectives, and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientation or positional relationships indicated by "upper", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, with a specific orientation structure and operation, and are only for the convenience of describing the present technical solution, rather than indicating that the indicated device or element must have a specific orientation. Therefore, it should not be construed as a limitation of the present invention.

[0023] It should also be noted that, unless otherwise clearly specified and defined, terms such as "installation", "connection", "fixation", "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located above the other element, or there may also be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Figures 1 to 4Some preferred embodiments of the present utility model are shown. The solenoid valve comprehensive performance test bench system can be used for air pollution protection in the residential area after nuclear contamination.

[0025] Figures 1 through 4 A solenoid valve comprehensive performance test bench system in an embodiment of the present invention is shown. It may include a machine platform, a reference test bench 100 arranged on the machine platform for detecting the basic performance of the solenoid valve 800, an inclination angle test bench 200 arranged on the machine platform for detecting the performance of the solenoid valve 800 at different angles, a flow measurement test bench 300 arranged on the machine platform for measuring the flow rate change under different environmental conditions, a reliability test bench 400 arranged on the machine platform for detecting the reliability of the action control of the solenoid valve 800, an extreme condition test bench 500 arranged on the machine platform for detecting the extreme performance under different working environments, and a control unit 600 electrically connected to the reference test bench 100, the reliability test bench 400, the inclination angle test bench 200, the flow measurement test bench 300, and the extreme condition test bench 500, and a control unit 600 electrically connected to the extreme condition test bench 500, a gas supply unit and a power supply unit connected to the reference test bench 100, the reliability test bench 400, the inclination angle test bench 200, the flow measurement test bench 300, and the extreme condition test bench 500.

[0026] By detecting the solenoid valve 800 through the reference test bench 100, the reliability test bench 400, the inclination angle test bench 200, the flow measurement test bench 300, and the extreme condition test bench 500, a comprehensive detection of the solenoid valve 800 can be completed, various detection data can be comprehensively collected, summarized and analyzed, the usage status of the solenoid valve 800 can be effectively evaluated, and the detection efficiency can be greatly improved.

[0027] In a specific embodiment, the control unit 600 is provided with a control host 620, which is connected by wire, such as RS485, Ethernet, GP-IB, USB, etc.; or wirelessly, such as LAN, BLE, etc. The control host 620 is used to set test items, control the test progress, collect test results, analyze test results, and generate test reports. The format of the report is a common document format such as PDF or Word.

[0028] In a specific embodiment, the control host 620 is provided with a corresponding mobile storage docking interface, and reports and records can be conveniently exported to a mobile storage medium (such as a USB memory) through the mobile storage docking interface.

[0029] Furthermore, the host should establish a database, such as DB2, MySQL, Access, etc., and a primary key can be established for each test sample individual to store all intermediate test processes and result reports.

[0030] Further, several monitors 610 for monitoring various data and results are provided on the host.

[0031] In a specific embodiment, emergency stop cut-off devices are provided at interfaces such as power supply, gas supply, and water supply interfaces to ensure the safety of operators.

[0032] Figure 1 It is shown that in one embodiment, the reference test bench 100 may include a first connection unit 110 for circuit and gas path connection with the solenoid valve 800, a first DC power supply module electrically connected to the first connection unit 110, an electrical performance detection module 140 electrically connected to the first connection unit 110, an AC / DC insulation resistance tester 120 electrically connected to the first connection unit 110, and a first pressure control module 130 gas path connected to the first connection unit 110. The first connection unit 110 is gas path connected to the gas supply unit, the first connection unit 110 is connected to the power supply unit, and the control unit 600 is electrically connected to the electrical performance detection module 140, the AC / DC insulation resistance tester 120, and the first pressure control module 130.

[0033] It can be understood that the AC / DC insulation resistance tester 120 is used to test the insulation resistance and dielectric strength of the solenoid valve 800 coil. The electrical performance detection module can conduct the state test of the protection diode in the solenoid valve 800 and detect the insulation resistance and dielectric strength. The first DC power supply module can adjust the voltage, and the voltage range of 0 - 60V can be set according to the test requirements by program to supply power to the solenoid valve 800 for testing relevant test items, and can be used for testing: working pressure difference test, action voltage and release voltage test, working medium pressure difference test, etc.

[0034] In a specific embodiment, the reference test bench 100 is further provided with a pressure sensor 320: The pressure sensor 320 is used for collecting the front - end and rear - end pressure signals of the solenoid valve 800; the maximum air pressure of the reference test bench 100 is 6MPa, and the low pressure is 1MPa. It can be used for response time measurement test, working pressure test, and test items that require pressure collection.

[0035] Figure 3It is shown that in one embodiment, the first pressure control module 130 may include a high-pressure gas path communicating with the compressed gas source 160 and a low-pressure gas path communicating with the compressed gas source 160. The high-pressure gas path includes a first control valve 151 communicating with the compressed gas source 160 and a booster pump 150 connected to the first control valve 151. The booster pump 150 is connected to the first connection unit 110 through a gas path. The low-pressure gas path includes an electro-pneumatic proportional valve 152 for adjusting the air pressure. The electro-pneumatic proportional valve 152 communicates with the compressed gas source 160 and the first connection module. The first control valve 151 controls the booster pump 150 to supply high-pressure air into the solenoid valve 800. The low-pressure gas path adjusts the air pressure through the electro-pneumatic proportional valve 152 and outputs the adjusted air pressure into the solenoid valve 800.

[0036] Figure 3 It is shown that in one embodiment, the high-pressure gas path may include a first gas tank 153 for storing high-pressure air, and the low-pressure gas path includes a second gas tank 154 for storing the adjusted air pressure. The first gas tank 153 is arranged between the booster pump 150 and the first connection unit 110, and the second gas tank 154 is arranged between the electro-pneumatic proportional valve 152 and the first connection module. The first gas tank 153 and the second gas tank 154 are used to store the corresponding air for gas supply in the solenoid valve to prevent insufficient gas flow.

[0037] Figure 2 It is shown that in one embodiment, the tilt angle test bench 200 may include a second connection unit 210 for circuit and gas path connection with the solenoid valve 800, a second DC power supply module electrically connected to the second connection unit 210, a second pressure control module 220 gas path connected to the second connection unit 210, and a rotating unit 230 for adjusting the angle of the solenoid valve 800. The rotating unit 230 includes a table body fixed on the tilt angle test bench 200 and a rotating frame for placing the solenoid valve 800. The table body and the rotating frame are processed from aluminum plates. One side of the table body is provided with a stepping motor with an encoder to control the rotation angle of the rotating frame. The rotation angle can rotate plus or minus 180° left and right and plus or minus 180° front and back, which can be used for measuring the working conditions of the solenoid valve 800 at different angles. The second connection unit 210 is gas path connected to the air supply unit, the second connection unit 210 is connected to the power supply unit, and the control unit 600 is electrically connected to the solenoid valve 800, the second DC power supply module and the second pressure control module 220.

[0038] Figure 2It is shown that in one embodiment, the flow measurement test bench 300 may include a third connection unit 310 for circuit and gas path connection with the solenoid valve 800, a pressure sensor 320 connected to the compressed air source 160, a temperature sensor connected to the compressed air source 160, a pressure regulating valve connected to the compressed air source 160, a switching valve arranged between the compressed air source 160 and the pressure regulating valve, a third gas tank connected to the pressure regulating valve for storing the gas after pressure regulation, and the third gas tank is connected to the third connection unit 310. The flow measurement test bench 300 is mainly used for collecting and calculating the flow parameters of the solenoid valve 800. The third connection unit 310 is connected to the gas path of the air supply unit, and the third connection unit 310 is connected to the power supply unit. The control unit 600 is electrically connected to the pressure sensor 320, the temperature sensor, the pressure regulating valve and the switching valve. According to the standard requirement method, record, measure and calculate the parameters such as the front and rear pressure and temperature of the flowing medium of the solenoid valve to record and obtain the flow parameters of the solenoid valve.

[0039] Figure 2 It is shown that in one embodiment, the reliability test bench 400 may include a fourth connection unit 410 for circuit and gas path connection with the solenoid valve 800, a magnetic field measuring instrument 430 electrically connected to the fourth connection unit 410, a magnetic flux measuring instrument 420 electrically connected to the fourth connection unit 410, an electrical performance detection module electrically connected to the fourth connection unit 410, an environmental temperature control device for heating and insulating the solenoid valve 800, and a temperature sensor arranged in the environmental temperature control device for measuring the physical properties of the magnet in the solenoid valve 800. The fourth connection unit 410 is connected to the gas path of the air supply unit, and the fourth connection unit 410 is connected to the power supply unit. The control unit 600 is connected to the magnetic field measuring instrument 430, the magnetic flux measuring instrument 420, the electrical performance detection module 140 and the temperature sensor.

[0040] Figure 4 It is shown that in one embodiment, the extreme condition test bench 500 may include a fifth connection unit 510 for circuit and gas path connection with the solenoid valve 800, a pressure vessel 530 for withstanding high pressure, a temperature and humidity environmental chamber 520 for heating, insulating and adjusting humidity, a third pressure control module for adjusting the air pressure of the pressure vessel 530. The fifth connection unit 510 is connected to the pressure vessel 530 and the temperature and humidity environmental chamber 520 for measuring the performance of the solenoid valve 800 under extreme conditions of high temperature and high pressure. The fifth connection unit 510 is connected to the gas path of the air supply unit, the fifth connection unit 510 is connected to the power supply unit, the fifth connection unit 510 is connected to the power supply unit, and the control unit 600 is electrically connected to the third pressure control module and the temperature and humidity environmental chamber 520.

[0041] Figure 1It is shown that in one embodiment, the machine platform 700 may include a frame formed by assembling aluminum alloy profiles and a skin that wraps the frame with sheet metal. The overall structure is light and the installation is simple.

[0042] In a specific embodiment, the machine platform 700 is composed of standard aluminum profiles and sheet metal spray parts. Casters are installed at the bottom of the frame for convenient transportation and handling. The casters have a braking structure to facilitate the machine platform 700 to be parked in one place.

[0043] Figure 1 It is shown that in one embodiment, the control unit 600 may include a programmable logic controller for controlling the operation of the test bench system, a high-speed acquisition card for collecting the test data of each test bench, and an industrial control computer for recording, processing, and storing the test process data collected by the high-speed acquisition card.

[0044] It can be understood that the above embodiments only represent the preferred embodiments of the present invention. The description is relatively specific and detailed, but it cannot be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, all equivalent transformations and modifications made to the scope of the claims of the present invention shall fall within the scope covered by the claims of the present invention.

Claims

1. A solenoid valve comprehensive performance test bench system, characterized in that: include: A machine (700), a reference test bench (100) arranged on the machine (700) for detecting the basic performance of the electromagnetic valve (800), an inclination angle test bench (200) arranged on the machine (700) for detecting the performance of the electromagnetic valve (800) at different angles, a flow measurement test bench (300) arranged on the machine (700) for measuring flow changes under different environmental conditions, a reliability test bench (400) arranged on the machine (700) for detecting the action control of the electromagnetic valve (800), and a flow measurement test bench (500) arranged on the machine (700) for measuring the flow rate under different environmental conditions. An extreme condition test bench (500) for detecting extreme performance under a working environment, a control unit (600) electrically connected to the reference test bench (100), the reliability test bench (400), the tilt angle test bench (200), the flow measurement test bench (300) and the extreme condition test bench (500), and an air supply unit and a power supply unit connected to the reference test bench (100), the reliability test bench (400), the tilt angle test bench (200), the flow measurement test bench (300) and the extreme condition test bench (500).

2. A solenoid valve comprehensive performance test bench system according to claim 1, characterized in that: The reference test bench (100) comprises a first connection unit (110) for connecting to the circuit and gas circuit of the solenoid valve (800), a first DC power supply module electrically connected to the first connection unit (110), an electrical performance detection module (140) electrically connected to the first connection unit (110), an AC / DC insulation resistance tester (120) electrically connected to the first connection unit (110), and a first pressure control module (130) connected to the gas circuit of the first connection unit (110); the first connection unit (110) is connected to the gas circuit of the gas supply unit, the first connection unit (110) is connected to the power supply unit, and the control unit (600) is electrically connected to the electrical performance detection module (140), the AC / DC insulation resistance tester (120) and the first pressure control module (130).

3. The solenoid valve comprehensive performance test bench system according to claim 2 is characterized in that: The first pressure control module (130) comprises a high-pressure gas circuit connected to a compressed gas source and a low-pressure gas circuit connected to the compressed gas source, the high-pressure gas circuit comprises a first control valve connected to the compressed gas source and a booster pump connected to the first control valve, the booster pump is connected to the first connection unit (110) gas circuit, the low-pressure gas circuit comprises an electrical proportional valve for adjusting the air pressure, the electrical proportional valve is connected to the compressed gas source and the first connection module.

4. A solenoid valve comprehensive performance test bench system according to claim 3, characterized in that: The high-pressure gas circuit includes a first gas tank for storing high-pressure air, and the low-pressure gas circuit includes a second gas tank for storing regulated air pressure. The first gas tank is arranged between the booster pump and the first connecting unit (110), and the second gas tank is arranged between the electrical proportional valve and the first connecting module.

5. The solenoid valve comprehensive performance test bench system according to claim 1, characterized in that: The tilt angle test bench (200) comprises a second connection unit (210) for connecting to the circuit and gas circuit of the solenoid valve (800), a second DC power module electrically connected to the second connection unit (210), a second pressure control module (220) connected to the gas circuit of the second connection unit (210), and a rotation unit (230) for adjusting the angle of the solenoid valve (800), wherein the second connection unit (210) is connected to the gas circuit of the gas supply unit, the second connection unit (210) is connected to the power supply unit, and the control unit (600) is electrically connected to the solenoid valve (800), the second DC power module, and the second pressure control module (220).

6. The solenoid valve comprehensive performance test bench system according to claim 1, characterized in that: The flow measurement test bench (300) comprises a third connection unit (310) for connecting to the circuit and gas path of the electromagnetic valve (800), a pressure sensor (320) connected to the compressed gas source, a temperature sensor connected to the compressed gas source, a pressure regulating valve connected to the compressed gas source, a switch valve arranged between the compressed gas source and the pressure regulating valve, and a third gas tank connected to the pressure regulating valve for storing pressure-regulated gas, wherein the third gas tank is connected to the third connection unit (310), the third connection unit (310) is connected to the gas path of the gas supply unit, the third connection unit (310) is connected to the power supply unit, and the control unit (600) is electrically connected to the pressure sensor (320), the temperature sensor, the pressure regulating valve, and the switch valve.

7. The solenoid valve comprehensive performance test bench system according to claim 1, characterized in that: The reliability test bench (400) comprises a fourth connection unit (410) for connecting to the circuit and gas path of the electromagnetic valve (800), a magnetic field measuring instrument (430) electrically connected to the fourth connection unit (410), a magnetic flux measuring instrument (420) electrically connected to the fourth connection unit (410), an electrical performance detection module electrically connected to the fourth connection unit (410), an environmental temperature control device for heating and keeping the electromagnetic valve (800) warm, and a temperature sensor arranged in the environmental temperature control device, the fourth connection unit (410) is connected to the gas path of the gas supply unit, the fourth connection unit (410) is connected to the power supply unit, and the control unit (600) is connected to the magnetic field measuring instrument (430), the magnetic flux measuring instrument (420), the electrical performance detection module (140) and the temperature sensor.

8. The solenoid valve comprehensive performance test bench system according to claim 1, characterized in that: The extreme condition test bench (500) comprises a fifth connection unit (510) for connecting to the circuit and gas path of the solenoid valve (800), a pressure vessel (530) for bearing high pressure, a temperature and humidity environment box (520) for heating, heat preservation and humidity adjustment, a third pressure control module for adjusting the gas pressure of the pressure vessel (530), the fifth connection unit (510) is connected to the pressure vessel (530) and the temperature and humidity environment box (520), the fifth connection unit (510) is connected to the gas path of the gas supply unit, the fifth connection unit (510) is connected to the power supply unit, and the control unit (600) is electrically connected to the third pressure control module and the temperature and humidity environment box (520).

9. The solenoid valve comprehensive performance test bench system according to claim 1, characterized in that: The machine platform (700) comprises a frame formed by assembling aluminum alloy profiles and a skin wrapped by a sheet metal plate.

10. The solenoid valve comprehensive performance test bench system according to claim 1, characterized in that: The control unit (600) comprises a programmable controller for controlling the operation of the test bench system, a high-speed acquisition card for collecting test data of each test bench, and an industrial computer for recording, processing and storing the test process data collected by the high-speed acquisition card.