A solenoid valve response and action voltage test platform
By constructing a testing platform for solenoid valve response and operating voltage, the problems of solenoid valve delay and hysteresis in nuclear power facilities were solved, enabling accurate testing of solenoid valve response time and operating voltage, and ensuring the reliability and stability of solenoid valves.
Patent Information
- Application Number
- CN202521956038.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-10
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-10
AI Technical Summary
In existing technologies, pneumatic solenoid valves in nuclear power facilities are prone to problems such as delay, hysteresis, and jamming during use, which affect their response function and design performance, and the measurement of operating voltage is difficult.
Design a solenoid valve response and action voltage testing platform, including a machine base, an angle test bench, a booster pump unit, a high-pressure sealed container, a comprehensive test module, a control module, and a connection module, to detect the response time, action voltage, and release voltage of the solenoid valve, and to perform tests at different angles and under different environments.
It enables precise testing of the response time, operating voltage, and release voltage of solenoid valves under different angles and environments, meeting the testing requirements under different working conditions and ensuring the reliability and stability of solenoid valves.
Smart Images
Figure CN224682313U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of solenoid valve testing, and in particular to a solenoid valve response and action voltage testing platform. Background Technology
[0002] In nuclear power facilities, pneumatic solenoid valves are widely used in various system controls. Over time, problems such as delayed switching, lag, and jamming may occur. To determine the cause of these problems, testing the solenoid valves is necessary.
[0003] The response function and response speed of a solenoid valve directly affect its design performance and have a significant impact on the reliability and stability of the controlled equipment. The operating voltage, as a control parameter, can be measured to determine whether the valve's action meets design requirements. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a testing platform for the response and action voltage of a solenoid valve.
[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: A solenoid valve response and action voltage testing platform is constructed, comprising: a machine base; an angle test platform disposed on one side of the machine base; a booster pump unit disposed below the machine base for providing high-pressure gas; and a high-pressure sealed container disposed on the other side of the machine base for pressurizing the solenoid valve as a whole. The machine base is equipped with a comprehensive testing module for performance testing of the solenoid valve, a control module for controlling the current, voltage, and gas supply of the solenoid valve, and a connection module electrically and pneumatically connected to the solenoid valve. The angle test platform includes a rotating platform for mounting and fixing the solenoid valve, an inclined angle indicator platform that can rotate relative to the rotating platform, and an action performance testing module for detecting the performance of the solenoid valve at different angles.
[0006] Furthermore, the integrated testing module includes an insulation resistance tester for detecting the insulation resistance of the solenoid valve, a withstand voltage tester for detecting the dielectric strength of the solenoid valve, and a DC resistance tester for measuring the resistance of the solenoid valve coil. The insulation resistance tester, withstand voltage tester, and DC resistance tester are electrically connected to the connection module.
[0007] Furthermore, the tilt angle indicator includes a base plate, a semi-circular arc groove on the base plate, an angle mark on the semi-circular arc groove, a hinge hole at the center of the semi-circular arc groove, and a limit frame on the base plate for limiting the rotation angle of the rotating platform.
[0008] Furthermore, the rotating platform includes a rotating frame hinged to the hinge hole, a fixing seat disposed on the rotating frame for fixing the solenoid valve, and a sliding member that is engaged in the semi-circular arc groove on the rotating frame.
[0009] Furthermore, the motion performance testing module includes a lifting assembly mounted on the rotating frame and moving up and down on the rotating frame, and a force sensor mounted on the lifting assembly and abutting against the solenoid valve.
[0010] Furthermore, the lifting assembly includes a lifting motor fixed to the rotating frame, a linear bearing assembly disposed on the rotating frame and connected to the output end of the lifting motor, and a displacement sensor disposed on the rotating frame and abutting against the linear bearing assembly.
[0011] Furthermore, the high-pressure sealed container includes a barrel body, a barrel cover for sealing the barrel body, a connecting module for connecting the outside of the barrel body and the solenoid valve inside the barrel body, and a pressure regulating unit for adjusting the internal air pressure of the high-pressure sealed container.
[0012] Furthermore, the pressure regulating unit includes an inlet for gas to enter and exit, a pressure gauge for detecting the internal pressure of the high-pressure sealed container, and a regulating valve disposed on the inlet for adjusting the internal gas pressure of the high-pressure sealed container.
[0013] Furthermore, the adapter module includes an adapter plug for electrically connecting the inside and outside of the barrel, and a quick adapter plug for connecting the inside and outside of the barrel to the air circuit.
[0014] Furthermore, a test environment chamber for simulating the high and low temperature environments of a solenoid valve is provided on one side of the machine.
[0015] The present invention provides a solenoid valve response and action voltage testing platform, which has the following advantages: by connecting the solenoid valve to the connection module, the current, voltage and air pressure are controlled by the control module to supply the solenoid valve for solenoid valve response and action voltage testing. Furthermore, the solenoid valve can be placed on an angle test bench to test its working performance at different angles and in a high-pressure sealed container to test its working performance in a high-pressure environment. The response time, action voltage and release voltage of the solenoid valve can be tested to meet the test requirements under different working environments. Attached Figure Description
[0016] To more clearly illustrate the technical solution of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of this utility model and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort. In the drawings: Figure 1 This is an overall view of the machine tool of a solenoid valve response and action voltage testing platform according to one embodiment of the present invention; Figure 2 This is a structural diagram of a high-pressure sealed container of a solenoid valve response and action voltage testing platform according to one embodiment of this utility model; Figure 3 This is an overall view of the angle test bench of a solenoid valve response and action voltage test platform in one embodiment of this utility model; Figure 4 This is a front view of an angle test bench for testing the response and action voltage of a solenoid valve in one embodiment of this utility model; Figure 5 This is a rear view of an angle test bench for a solenoid valve response and action voltage testing platform in one embodiment of this utility model.
[0017] Figure Labels 100. Stand; 110. Control module; 120. Connection module; 130. Booster pump unit; 140. Comprehensive testing module; 141. Insulation resistance tester; 142. Withstand voltage tester; 143. DC resistance tester; 200. High-pressure sealed container; 210. Barrel body; 211. Barrel lid; 220. Pressure regulating valve; 221. Inlet; 230. Quick-connect plug; 240. Adapter plug; 300. Tilt angle indicator; 310. Base plate; 311. Hinge hole; 320. Semi-circular arc groove; 321. Angle indicator; 330. Limiting frame; 400. Rotating table; 410. Rotating frame; 420. Force sensor; 430. Linear bearing assembly; 440. Lifting motor; 450. Displacement sensor. Detailed Implementation
[0018] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "upper," "inner," and "outer" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.
[0019] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0020] Figures 1 to 5 This invention illustrates a solenoid valve response and operating voltage testing platform according to one embodiment of the present invention. This platform can be used for radiation shielding within nuclear power plants. It includes a machine base, an angle test bench mounted on one side of the machine base, a booster pump unit 130 mounted below the machine base for providing high-pressure gas, and a high-pressure sealed container 200 mounted on the other side of the machine base for pressurizing the solenoid valve as a whole. The machine base is equipped with a comprehensive testing module 140 for performance testing of the solenoid valve, a control module 110 for controlling the current, voltage, and gas supply of the solenoid valve, and a connection module 120 that is electrically and gas-connected to the solenoid valve. The angle test bench includes a rotating platform 400 for mounting and fixing the solenoid valve, a tilt angle indicator 300 that can rotate relative to the rotating platform 400, and an operating performance testing module for detecting the performance of the solenoid valve at different angles.
[0021] By connecting the solenoid valve to the connection module 120, the control module 110 controls the current, voltage, and air pressure supply to the solenoid valve to perform solenoid valve response and action voltage tests. The solenoid valve can also be placed on an angle test bench to test its working performance at different angles and in a high-pressure environment inside a high-pressure sealed container 200 to test its working performance. The response time, action voltage, and release voltage of the solenoid valve can be tested to meet the test requirements under different working environments.
[0022] Understandably, the control module 110 has data recording and organization functions.
[0023] Understandably, the control module 110 is equipped with a communication module, which can transmit data to external devices or computers, or remotely monitor and manage the test platform through the communication module.
[0024] In one specific embodiment, a fixed caster wheel assembly can be installed on the lower part of the machine to facilitate moving the machine.
[0025] Figure 1 , Figure 2 and Figure 3 The integrated test module 140, as shown in one embodiment, may include an insulation resistance tester 141 for detecting the insulation resistance of a solenoid valve, a withstand voltage tester 142 for detecting the dielectric strength of a solenoid valve, and a DC resistance tester 143 for measuring the resistance of a solenoid valve coil. The insulation resistance tester 141, the withstand voltage tester 142, and the DC resistance tester 143 are electrically connected to the connection module 120.
[0026] In one specific embodiment, an insulation resistance tester 141 is used to perform an insulation resistance test. The solenoid valve is not powered on and the coil terminals are short-circuited. A DC voltage of 500V is applied and maintained for 60 seconds. Multiple measurements are performed, and the minimum value among the measurements is taken as the insulation resistance of the solenoid valve.
[0027] In one specific embodiment, a dielectric strength test is performed using a withstand voltage tester 142. The voltage starts from 0V and is steadily increased to the specified test voltage of 500V at a rate of 1V per second, and is maintained for 60s. Then, the applied voltage is gradually reduced to 0V at the same rate, and the presence of voltage breakdown is observed throughout the process.
[0028] In one specific embodiment, the solenoid valve is placed inside a high-pressure sealed container 200 and, in conjunction with the control module 110, a differential pressure test can be performed. Under an intake pressure of 10 bar, the working port is sealed, and the exhaust port is opened. Voltages of 53V and 39V are applied to the coil of the solenoid valve, with each action performed five times. The solenoid valve response time, waveform, and diode status are recorded.
[0029] In one specific embodiment, the solenoid valve is placed in a high-pressure sealed container 200 and, together with the control module 110, a response time measurement test can be performed. The solenoid valve coil is subjected to a rated voltage of 48V and operates at a working pressure of 10 bar. The valve is actuated 9 times, and the inflation response time, inflation buffer time, exhaust response time, and exhaust buffer time of each load port are recorded. The response time range is from the change in voltage signal to 90% of the change in pressure at the tested port.
[0030] In one specific embodiment, the solenoid valve is placed inside a high-pressure sealed container 200, and in conjunction with the control module 110, an actuation voltage and release voltage test can be performed. Under a working pressure of 10 bar, the solenoid valve voltage is gradually increased from 0V until the solenoid valve actuates, and the actuation voltage value is recorded. Then, the voltage is slowly increased to the upper limit of 53V. Subsequently, the solenoid valve voltage is gradually decreased until the solenoid valve releases, and the release voltage value is recorded. The voltage is then further reduced to 0V.
[0031] In one specific embodiment, the solenoid valve is placed in a high-pressure sealed container 200 and, in conjunction with the control module 110, can undergo environmental pressure and pressurization cycle tests. The solenoid valve is connected to the tooling and placed in the test tank. An environmental pressure of 0.6 MPa is introduced, and a test pressure of 1.0 MPa is introduced into the solenoid valve. The pressure is maintained for 4 minutes, and the response time, insulation resistance, action and release voltage, valve seat leakage, and protection diode status are recorded. The response time range is from the voltage signal change to 90% of the pressure change at the test port.
[0032] Figure 3 , Figure 4 and Figure 5 In one embodiment, the tilt angle indicator platform 300 may include a base plate 310, on which a semi-circular arc groove 320 is provided. An angle mark 321 is provided on the semi-circular arc groove 320. A hinge hole 311 is provided at the center of the semi-circular arc groove 320. A limiting frame 330 for limiting the rotation angle of the rotating platform 400 is provided on the base plate. The rotating platform 400 intersects with the hinge hole 311. The rotating platform 400 can rotate on the base plate 310. The rotating platform 400 is controlled by the limiting frame 330 within the range of 0-180°.
[0033] In one specific embodiment, the rotating table 400 is positioned at ±45°, ±90°, ±135°, and 180° on the base plate 310 to test the solenoid valve, check whether the function is normal, record the response time, and detect the action voltage and release voltage. The response time range is from the voltage signal change to 90% of the pressure change at the tested port.
[0034] Figure 3 , Figure 4 and Figure 5 The rotating platform 400 shown in one embodiment may include a rotating frame 410 hinged to a hinge hole 311, a fixing seat disposed on the rotating frame 410 for fixing a solenoid valve, and a sliding member on the rotating frame 410 that is engaged in a semi-circular arc groove 320. The sliding member allows the rotating frame 410 to rotate within the range of the semi-circular arc groove 320 without exceeding the range of the semi-circular arc groove 320.
[0035] Figure 3 , Figure 4 and Figure 5The action performance test module shown in one embodiment may include a lifting assembly disposed on a rotating frame 410 and moving up and down on the rotating frame 410, and a force sensor 420 disposed on the lifting assembly and abutting against a solenoid valve. The lifting assembly carries the force sensor 420 abutting against the solenoid valve, allowing the force sensor 420 to detect the action inside the solenoid valve.
[0036] Figure 3 , Figure 4 and Figure 5 The lifting assembly, as shown in one embodiment, may include a lifting motor 440 fixed to a rotating frame 410, a linear bearing assembly 430 disposed on the rotating frame 410 and connected to the output end of the lifting motor 440, and a displacement sensor 450 disposed on the rotating frame 410 and abutting against the linear bearing assembly 430. The displacement sensor 450 can detect the distance moved by the force sensor 420, thereby detecting the amplitude of the solenoid valve's action.
[0037] Figure 2 The high-pressure sealed container 200, as shown in one embodiment, may include a barrel body 210, a barrel cover 211 for sealing the barrel body, a connection module 120 for connecting to the outside of the barrel body 210 and a solenoid valve inside the barrel body 210, and a pressure regulating unit for adjusting the internal air pressure of the high-pressure sealed container 200. The barrel cover 211 is sealed to the barrel body 210, the solenoid valve is disposed inside the barrel body 210, the solenoid valve is connected to the connection module to connect electricity and gas, and the pressure regulating unit adjusts the air pressure inside the barrel body 210.
[0038] Figure 2 The pressure regulating unit shown in one embodiment may include an inlet 221 for gas inlet and outlet, a pressure gauge for detecting the internal pressure of the high-pressure sealed container 200, and a regulating valve disposed on the inlet 221 for adjusting the internal air pressure of the high-pressure sealed container 200. The regulating valve can adjust the air pressure inside the barrel 210, and the pressure gauge can observe the air pressure inside the barrel 210 in real time.
[0039] Figure 2 The adapter module, in one embodiment, may include an adapter plug 240 for electrically connecting the inside and outside of the barrel 210, and a quick adapter plug 230 for pneumatically connecting the inside and outside of the barrel 210. The adapter plug 240 can connect the solenoid valve inside the barrel 210 to the external connection module 120, and the quick adapter plug 230 can connect the solenoid valve inside the barrel 210 to the external connection module 120.
[0040] Figure 1 The machine tool shown in one embodiment may include a test environment chamber on one side of the machine tool for simulating high and low temperature environments of a solenoid valve.
[0041] In one specific embodiment, the allowable temperature measurement test of the coil can be performed using a test environment chamber and control module 110. The solenoid valve is placed in the temperature control chamber for 2 hours, and the test environment temperature and the cold resistance of the coil are recorded. The solenoid valve is continuously energized until the temperature rise stabilizes, and then the power is quickly disconnected to measure the hot resistance of the coil.
[0042] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.
Claims
1. A testing platform for the response and operating voltage of a solenoid valve, characterized in that, Includes: a machine base, an angle test bench set on one side of the machine base, a booster pump unit (130) set below the machine base for providing high-pressure gas, and a high-pressure sealed container (200) set on the other side of the machine base for pressurizing the entire solenoid valve. The machine is equipped with a comprehensive test module (140) for testing the performance of the solenoid valve, a control module (110) for controlling the current, voltage and gas supply of the solenoid valve, and a connection module (120) that is electrically connected to the solenoid valve and connected to the gas circuit. The angle test bench includes a rotating platform (400) for mounting and fixing the solenoid valve, an inclined angle indicator platform (300) that can rotate relative to the rotating platform (400), and an action performance testing module for detecting the performance of the solenoid valve at different angles.
2. The electromagnetic valve response and operating voltage testing platform according to claim 1, characterized in that, The integrated test module (140) includes an insulation resistance tester (141) for detecting the insulation resistance of the solenoid valve, a withstand voltage tester (142) for detecting the dielectric strength of the solenoid valve, and a DC resistance tester (143) for measuring the resistance of the solenoid valve coil. The insulation resistance tester (141), the withstand voltage tester (142), and the DC resistance tester (143) are electrically connected to the connection module (120).
3. The electromagnetic valve response and operating voltage testing platform according to claim 1, characterized in that, The tilt angle indicator platform (300) includes a base plate (310), a semi-circular arc groove (320) provided on the base plate (310), an angle mark (321) provided on the semi-circular arc groove (320), a hinge hole (311) provided at the center of the semi-circular arc groove (320), and a limiting frame (330) provided on the base plate (310) for limiting the rotation angle of the rotating platform (400).
4. The electromagnetic valve response and operating voltage testing platform according to claim 3, characterized in that, The rotating platform (400) includes a rotating frame (410) hinged to the hinge hole (311) and a fixing seat for fixing the solenoid valve on the rotating frame (410). The rotating frame (410) is provided with a sliding member that is engaged in the semi-circular arc groove (320).
5. The electromagnetic valve response and operating voltage testing platform according to claim 4, characterized in that, The motion performance testing module includes a lifting assembly mounted on the rotating frame (410) and moving up and down on the rotating frame (410), and a force sensor (420) mounted on the lifting assembly and abutting against the solenoid valve.
6. The electromagnetic valve response and operating voltage testing platform according to claim 5, characterized in that, The lifting assembly includes a lifting motor (440) fixed on the rotating frame (410), a linear bearing assembly (430) disposed on the rotating frame (410) and connected to the output end of the lifting motor (440), and a displacement sensor (450) disposed on the rotating frame (410) and abutting against the linear bearing assembly (430).
7. The electromagnetic valve response and operating voltage testing platform according to claim 1, characterized in that, The high-pressure sealed container (200) includes a barrel body (210), a barrel cover (211) for sealing the barrel body, a connecting module (120) for connecting the outside of the barrel body (210) and the solenoid valve inside the barrel body (210), and a pressure regulating unit for adjusting the internal air pressure of the high-pressure sealed container (200).
8. The electromagnetic valve response and operating voltage testing platform according to claim 7, characterized in that, The pressure regulating unit includes an inlet (221) for gas inlet and outlet, a pressure gauge for detecting the internal pressure of the high-pressure sealed container (200), and a regulating valve installed on the inlet (221) for adjusting the internal gas pressure of the high-pressure sealed container (200).
9. The electromagnetic valve response and operating voltage testing platform according to claim 7, characterized in that, The adapter module includes an adapter plug (240) for electrically connecting the inside and outside of the barrel (210) and a quick adapter plug (230) for connecting the inside and outside of the barrel (210) to the air passage.
10. The electromagnetic valve response and operating voltage testing platform according to claim 1, characterized in that, One side of the machine is equipped with a test environment chamber for simulating the high and low temperature environments of solenoid valves.