Switching valve test system and switching valve test platform

Abstract

The utility model relates to the technical field of equipment testing, and discloses a switching valve testing system, which is suitable for testing a switching valve and comprises a first container, a second container and a third container, a second container; one side of the first liquid separation device is connected with the first container, and the other side is connected with a plurality of first pipelines; one side of the second liquid separation device is connected with the second container, and the other side is connected with a plurality of second pipelines; the third pipeline is suitable for being connected to the outlet and used for discharging liquid; the driving structure is suitable for driving the first liquid and the second liquid to flow towards the first pipeline and the second pipeline; and the control system is suitable for being connected with the switching valve, controlling the driving structure to drive the first liquid and the second liquid to flow to the switching valve when the fixed hole site is blocked, controlling the switching valve to rotate and pump the liquid, standing for a preset time, and then testing whether liquid mixing occurs in the adjacent first pipeline and the second pipeline or not. Therefore, the switching valve can be tested before being used, and if the switching valve is not qualified, the switching valve can be maintained in the early stage so as to ensure the stability in the subsequent use process.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment testing, in particular to a switching valve testing system and a switching valve testing platform. Background Art

[0002] The switching valve generally has multiple switching holes, and the connection or closing of multiple pipelines is achieved by switching the opening and closing of different holes. Therefore, the use of the switching valve can simplify the structural setting of the system.

[0003] The existing switching valves may cause problems during use due to instability. Each time a problem occurs, the switching valve needs to be disassembled and repaired, which affects the overall progress and increases the workload. Therefore, how to test the switching valve before using it and eliminate the problems that may occur in actual operation in advance, so as to ensure the stability of the switching valve during use, is an urgent problem that needs to be solved. Utility Model Content

[0004] In view of this, the utility model provides a switching valve testing system and a switching valve testing platform to solve the problem of testing the switching valve before using it to improve the stability of the switching valve.

[0005] In a first aspect, the utility model provides a switching valve testing system, which is suitable for testing a switching valve, wherein the switching valve comprises a fixed hole position, a plurality of rotating hole positions and an outlet, and the switching valve testing system comprises:

[0006] A first container containing a first liquid;

[0007] A second container containing a second liquid, wherein the second liquid has a different color from the first liquid;

[0008] A first liquid separation device, one side of which is connected to the first container, and the other side of which is connected to a plurality of first pipelines;

[0009] a second liquid separation device, one side of which is connected to the second container and the other side of which is connected to a plurality of second pipelines;

[0010] The first pipeline and the second pipeline are suitable for being connected to the plurality of rotation holes respectively, the sum of the number of the first pipeline and the second pipeline is the same as the number of the rotation holes, and the rotation holes connected to the first pipeline and the rotation holes connected to the second pipeline are arranged alternately;

[0011] A third pipeline, adapted to be connected to the outlet for draining liquid;

[0012] a driving structure connected to the first container and the second container, and adapted to drive the first liquid and the second liquid to flow toward the first pipeline and the second pipeline;

[0013] A control system is suitable for being connected to the switching valve. When the fixed hole is blocked, the control structure drives the first liquid and the second liquid to flow to the switching valve, controls the switching valve to rotate and pump liquid, and tests whether there is liquid cross-talk in the adjacent first pipeline and the second pipeline after standing for a preset time.

[0014] Beneficial effect: by setting a first container and a second container, and the colors of the first liquid and the second liquid in the first container and the second container are different, by alternately setting the first pipeline and the second pipeline connected to the rotating hole position of the switching valve, the liquid in the pipeline connected at the adjacent rotating hole positions is different, the fixed hole position is blocked to control the liquid to flow into the switching valve, the switching valve is rotated to pump liquid, so that different rotating holes are connected to the outlet, so that the pipeline inside the switching valve is filled with liquid, and after standing for a preset time, it is tested whether liquid cross-flow occurs in the first pipeline and the second pipeline. If the switching valve is of qualified quality and the interior is in a sealed state, there will be no liquid cross-flow in the adjacent pipelines, and the color of the liquid in the first pipeline and the second pipeline will not change. If there is a leak in the switching valve, there will be liquid cross-flow in the adjacent pipelines, and the color of the liquid in the first pipeline and the second pipeline will change. In this way, the switching valve can be tested before use to determine whether its quality is qualified. If it is unqualified, it can be repaired in the early stage to ensure stability during subsequent use.

[0015] In an optional embodiment, the first liquid is a transparent reagent, and the second liquid is a colored reagent.

[0016] Beneficial effect: By setting the first liquid as a transparent reagent and the second liquid as a colored reagent, it is possible to more clearly test whether there is liquid cross-talk, thereby improving the test efficiency.

[0017] In an optional embodiment, the second liquid is a corrosive agent.

[0018] Beneficial effect: Since the switching valve may come into contact with corrosive reagents during actual use, by setting the second liquid as a corrosive reagent, it can better match the actual use environment of the switching valve to test whether the internal valve core of the switching valve is contaminated by corrosion, thereby improving the adaptability of the switching valve.

[0019] In an optional embodiment, the switching valve testing system includes:

[0020] The recovery container is connected to the other end of the third pipeline and is suitable for recovering the first liquid and the second liquid.

[0021] Beneficial effect: By setting up a recovery container, the first liquid and the second liquid can be recovered after the switching valve test is completed, preventing the first liquid and the second liquid from being directly discharged into the external environment, especially when the second liquid is a corrosive reagent, which may cause damage to the environment or even the operator, thereby improving safety.

[0022] In an optional implementation, a first pressure regulating valve is provided on the third pipeline, and the first pressure regulating valve is connected to the control system and is suitable for adjusting the pressure value of the switching valve testing system.

[0023] Beneficial effect: By setting the first pressure regulating valve on the third pipeline, the pressure value of the switching valve test system can be adjusted to test the pressure resistance of the switching valve, thereby further improving the stability of the switching valve in actual use.

[0024] In an optional implementation, a driving pump and / or a pressure sensor is provided on the third pipeline, and the driving pump and / or the pressure sensor are connected to the control system.

[0025] Beneficial effect: By arranging a driving pump on the third pipeline, the flow of the liquid can be driven, and by arranging a pressure sensor, it can be detected whether the pressure on the third pipeline has reached the required adjustment value to ensure the test requirements.

[0026] In an optional implementation, the driving structure includes:

[0027] A gas source is connected to the first container and the second container through a fourth pipeline, and the gas source is a positive pressure gas.

[0028] In an optional implementation, a second pressure regulating valve is provided on the fourth pipeline, and the second pressure regulating valve is connected to the control system and is suitable for regulating the intake pressure.

[0029] Beneficial effect: By configuring the driving structure to include an air source and arranging a second pressure regulating valve on the fourth pipeline, the intake pressure can be adjusted. In particular, before the test, the overall pressure of the switching valve test system can be balanced through the cooperation of the first pressure regulating valve and the second pressure regulating valve, ensuring that the liquid will not flow in reverse due to pressure or automatically drain.

[0030] In an optional implementation, the second pressure regulating valve includes a total pressure regulating valve and a bottle pressure regulating valve.

[0031] In a second aspect, the utility model provides a switching valve test platform, comprising:

[0032] A housing, wherein a switching valve installation position is provided on the housing, and the switching valve installation position is suitable for installing the switching valve;

[0033] The switching valve testing system is connected to the housing, and the first pipeline and the second pipeline are arranged outside the housing.

[0034] Beneficial effect: Because the switching valve test platform includes the above-mentioned switching valve test system, it has the same technical effect as the above-mentioned switching valve test system, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 This is a structural schematic diagram of a switching valve testing system according to an embodiment of the utility model;

[0037] Figure 2 It is a structural schematic diagram of a switching valve testing platform according to an embodiment of the utility model.

[0038] Description of reference numerals:

[0039] 1. Switching valve; 101. Fixed hole; 102. Rotating hole; 103. Outlet; 2. First container; 3. Second container; 4. First liquid dispensing device; 5. Second liquid dispensing device; 6. First pipeline; 7. Second pipeline; 8. Third pipeline; 9. Recovery container; 10. Back pressure regulating valve; 11. Drive pump; 12. Air source; 13. Fourth pipeline; 14. Total pressure regulating valve; 15. Bottle pressure regulating valve; 16. Shell; 17. Support seat. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0041] Combine the following Figure 1 to Figure 2 , describing an embodiment of the utility model.

[0042] According to an embodiment of the utility model, on the one hand, a switching valve testing system is provided, which is suitable for testing a switching valve 1, wherein the switching valve 1 includes a fixed hole 101, a plurality of rotating hole positions 102 and an outlet 103, and the switching valve testing system includes: a first container 2, in which a first liquid is placed; a second container 3, in which a second liquid is placed, and the second liquid has a different color from the first liquid; a first liquid dispensing device 4, one side of which is connected to the first container 2, and the other side of which is connected to a plurality of first pipelines 6; a second liquid dispensing device 5, one side of which is connected to the second container 3, and the other side of which is connected to a plurality of second pipelines 7; the first pipeline 6 and the second pipeline 7 are suitable for being connected to the plurality of rotating hole positions 102, respectively, and the first pipeline 6 The sum of the number of the second pipeline 7 is the same as the number of the rotating holes 102, and the rotating holes 102 connected to the first pipeline 6 and the rotating holes 102 connected to the second pipeline 7 are arranged alternately; the third pipeline 8 is suitable for being connected at the outlet 103 for discharging liquid; the driving structure is connected to the first container 2 and the second container 3, and is suitable for driving the first liquid and the second liquid to flow to the first pipeline 6 and the second pipeline 7; the control system is suitable for being connected to the switching valve 1, and when the fixed hole 101 is blocked, the driving structure is controlled to drive the first liquid and the second liquid to flow to the switching valve 1, and the switching valve 1 is controlled to rotate and pump liquid, and after standing for a preset time, it is tested whether there is liquid cross-talk in the adjacent first pipeline 6 and the second pipeline 7.

[0043] By setting the first container 2 and the second container 3, and the first liquid and the second liquid in the first container 2 and the second container 3 are different in color, by alternately arranging the first pipeline 6 and the second pipeline 7 connected to the rotating hole 102 of the switching valve 1, the liquid in the pipeline connected at the adjacent rotating hole 102 is different in color, the fixed hole 101 is blocked, the liquid is controlled to flow into the switching valve 1, and the switching valve 1 is rotated to inject liquid, so that different rotating holes 102 are connected with the outlet 103, so that the pipeline inside the switching valve 1 is filled with liquid, and after standing for a preset time, it is tested whether there is liquid in the first pipeline 6 and the second pipeline 7. If liquid cross-talk occurs, if the switching valve 1 is of qualified quality and the interior is in a sealed state, unless it is rotated to the connected channel, the remaining channels are all sealed, and there will be no liquid cross-talk in the adjacent pipelines, and the color of the liquid in the first pipeline 6 and the second pipeline 7 will not change. If there is a leak inside the switching valve 1, liquid cross-talk will occur in the adjacent pipelines, and the color of the liquid in the first pipeline 6 and the second pipeline 7 will change. In this way, the switching valve 1 can be tested before use to determine whether its quality is qualified. If it is unqualified, it can be repaired in the early stage to ensure stability during subsequent use.

[0044] In order to ensure the accuracy of the test, the preset time can be two days during the test. Of course, the preset time can also be set according to actual needs, and there are no excessive restrictions here.

[0045] like Figure 1As shown, along the circumferential direction, the switching valve 1 has 12 hole positions, one of which is a fixed hole position 101 , and the remaining 11 are rotating hole positions 102 .

[0046] Wherein, the first liquid is a transparent reagent and the second liquid is a colored reagent. By setting the first liquid as a transparent reagent and the second liquid as a colored reagent, it is possible to more clearly test whether there is liquid crosstalk, thereby improving test efficiency. As a convertible embodiment, it is also possible that the first liquid is a colored reagent and the second liquid is a transparent reagent, or that the first liquid and the second liquid are both colored reagents, but the colors of the two are different, or that during the test process, the first liquid is a transparent reagent and the second liquid is a colored reagent, and after a cycle of testing, the first liquid is replaced with a colored reagent and the second liquid is replaced with a transparent reagent, and another set of tests is performed to improve the test effect.

[0047] In the present embodiment, the first liquid separating device 4 and the second liquid separating device 5 are both liquid separating rows, each of which is provided with a liquid inlet and a plurality of liquid outlets. The plurality of liquid outlets of the first liquid separating device 4 are respectively connected to a plurality of first pipelines 6, and the plurality of liquid outlets of the second liquid separating device 5 are respectively connected to a plurality of second pipelines 7.

[0048] Specifically, the second liquid in this embodiment is a corrosive reagent. Since the switching valve 1 may be exposed to a corrosive reagent during actual use, the second liquid is set as a corrosive reagent to better match the actual use environment of the switching valve 1, so as to test whether the valve core inside the switching valve 1 is corroded and contaminated, thereby improving the adaptability of the switching valve 1. As a convertible implementation, it is also possible that, if the switching valve 1 does not need to circulate a corrosive reagent during actual use, the second liquid is a non-corrosive reagent.

[0049] like Figure 1 As shown, the switching valve test system in this embodiment includes: a recovery container 9, connected to the other end of the third pipeline 8, suitable for recovering the first liquid and the second liquid. By providing the recovery container 9, the first liquid and the second liquid after the switching valve 1 is tested can be recovered, preventing the first liquid and the second liquid from being directly discharged into the external environment, especially when the second liquid is a corrosive reagent, which may cause damage to the environment or even the operator, thereby improving safety.

[0050] Specifically, the first container 2 , the second container 3 and the recovery container 9 in this embodiment are all container bottles.

[0051] like Figure 1As shown, a first pressure regulating valve is provided on the third pipeline 8, and the first pressure regulating valve is connected to the control system and is suitable for adjusting the pressure value of the switching valve test system. Specifically, the first pressure regulating valve is a back pressure regulating valve 10, and the pressure adjustment range is 40PSI-100PSI. By setting the first pressure regulating valve on the third pipeline 8, the pressure value of the switching valve test system can be adjusted to test the pressure resistance of the switching valve 1, and further improve the stability of the switching valve 1 during actual use. As a convertible embodiment, it is also possible that the pressure adjustment range of the back pressure regulating valve 10 can be adaptively adjusted according to different switching valves 1, and no excessive restrictions are made here.

[0052] In order to facilitate driving the liquid to flow, a driving pump 11 connected to the control system is provided on the third pipeline 8.

[0053] In order to facilitate detection of whether the pressure has reached the required adjustment value and to ensure testing requirements, a pressure sensor connected to the control system may be provided on the third pipeline 8 .

[0054] The driving structure in this embodiment includes: an air source 12, which is connected to the first container 2 and the second container 3 through a fourth pipeline 13, and the air source 12 is a positive pressure gas. As a convertible embodiment, the driving structure can also be a driving pump 11 to drive the flow of the first liquid and the second liquid.

[0055] like Figure 1 As shown, a second pressure regulating valve is provided on the fourth pipeline 13, and the second pressure regulating valve is connected to the control system and is suitable for adjusting the intake pressure. By setting the driving structure to include the air source 12 and providing the second pressure regulating valve on the fourth pipeline 13, the intake pressure can be adjusted, especially before the test, the overall pressure of the switching valve test system can be balanced by the cooperation of the first pressure regulating valve and the second pressure regulating valve, ensuring that the liquid will not flow in the reverse direction due to pressure, or automatically drain.

[0056] Specifically, the second pressure regulating valve includes a total pressure regulating valve 14 and a bottle pressure regulating valve 15. As a convertible embodiment, if the intake pressure at the gas source 12 has been preliminarily regulated, the second pressure regulating valve may only include the bottle pressure regulating valve 15.

[0057] In this embodiment, the total pressure regulating valve 14 is a first-level pressure reducing valve to protect the pressure of the entire switching valve test system, and generally ensures that the intake pressure is 0.1MPa; the bottle pressure regulating valve 15 adjusts the required bottle pressure of the entire switching valve test system to 5PSI. As a convertible implementation, the total pressure regulating valve 14 and the bottle pressure regulating valve 15 can be specifically adjusted according to the requirements of different switching valves 1, and no excessive restrictions are made here.

[0058] According to an embodiment of the utility model, on the other hand, a switching valve testing platform is also provided, including: a shell 16, a switching valve mounting position is provided on the shell 16, and the switching valve mounting position is suitable for installing a switching valve 1; the above-mentioned switching valve testing system is connected to the shell 16, and the first pipeline 6 and the second pipeline 7 are arranged on the outside of the shell 16.

[0059] like Figure 2 As shown, the outside of the shell 16 is provided with a total pressure regulating valve 14, a bottle pressure regulating valve 15, a first liquid dispensing device 4, a second liquid dispensing device 5, a switching valve 1, a driving pump 11, a back pressure regulating valve 10 and a recovery container 9.

[0060] Specifically, the control system includes a control panel disposed inside the housing 16 and a host outside the housing 16 , and the host may be a computer.

[0061] In order to place the shell 16 more stably, a plurality of support seats 17 are further provided at the bottom of the shell 16 .

[0062] The switching valve test platform in this embodiment can test multiple switching valves 1 at one time, or can test only one switching valve 1, and no excessive restrictions are imposed here.

[0063] The test pressure ranges of different brands of switching valves 1 may be different, so when multiple switching valves 1 are tested simultaneously, the same brand can be selected for the multiple switching valves 1 to ensure the accuracy of the test results. For different brands of switching valves 1, the corresponding control protocol can be modified through computer software before testing to achieve accurate testing of different brands of switching valves 1.

[0064] The switching valve test platform in this embodiment can perform a static test and a pollution test during operation on the switching valve 1. The static test is to install the switching valve 1 on the switching valve test platform, and the switching valve 1 will automatically rotate to the fixed hole position 101 after power is turned on. This position is the default position. A plug is connected to the fixed hole position 101 to block it. No liquid is pumped into the fixed hole position 101. The first pipeline 6 and the second pipeline 7 are connected to the multiple rotating holes 102 of the switching valve 1 in an alternating manner. The switching valve 1 is controlled by a computer to rotate and pump liquid so that each pipeline is filled with liquid, and then rotated to the default position. It is statically observed whether there is liquid cross-flow in the adjacent pipelines to determine whether the internal corrosion or leakage of the switching valve 1 causes liquid cross-flow. The pollution test during operation simulates the operating state of the switching valve 1. The corrosive reagent when the switching valve 1 is actually used is introduced into the pipeline to see whether the switching valve 1 can be switched into place during operation.

[0065] The test steps of the switching valve test platform of this embodiment are as follows:

[0066] 1. Install the switching valve 1 to connect the entire switching valve test system. Before use, balance the liquid system through the bottle pressure regulating valve 15 and the back pressure regulating valve 10 so that the reagent will not be automatically discharged due to the bottle pressure;

[0067] 2. After the adjustment is completed, the switching valve 1 is controlled by the computer to rotate to see if it is correct; if the switching valve 1 rotates, it is determined that the switching valve 1 is qualified and the next step is carried out; if the switching valve 1 does not rotate, it is determined that the switching valve 1 is unqualified;

[0068] 3. Perform a static test to determine whether there is a quality problem with the switching valve 1; if there is no cross-flow, proceed to the next step; if there is cross-flow, the switching valve 1 is judged to be unqualified;

[0069] 4. Replace the corrosive reagent and enter the pollution test phase during operation, simulate the normal use of the switching valve 1, use the corrosive reagent to continuously switch and rotate to test, and randomly observe whether the multiple rotating hole positions 102 of the switching valve 1 are switched correctly. For example, the computer software controls the rotation of the switching valve 1, and the software controls the switching valve 1 to rotate to a hole position, and observe whether the reagent in the corresponding pipeline flows, so as to judge whether the rotation hole position 102 of the switching valve 1 is switched correctly. If it is not correct, the switching valve 1 is judged to be unqualified, and if it is correct, the switching valve 1 is judged to be qualified;

[0070] 5. Pollution test during operation: Perform a static test every week to confirm whether the valve core inside the switching valve 1 is corroded and polluted. If there is no pollution during static testing, proceed to the next test. If there is pollution, the switching valve 1 is judged to be unqualified.

[0071] 6. By adjusting the back pressure regulating valve 10, the pressure resistance of the entire test system is increased, so as to judge the pressure resistance of the switching valve 1. If the pressure resistance of the switching valve 1 is greater than or equal to the preset pressure value, the pressure resistance of the switching valve 1 is qualified; if the pressure resistance of the switching valve 1 is less than the preset pressure value, the pressure resistance of the switching valve 1 is unqualified;

[0072] 7. Repeat the contamination test and static test during operation, and judge whether the service life of the switching valve 1 is qualified according to the number of rotations of the switching valve 1 during normal use. If the number of rotations of the switching valve 1 is greater than or equal to the preset number, the service life of the switching valve 1 is qualified; if the number of rotations of the switching valve 1 is less than the preset number, the service life of the switching valve 1 is unqualified.

[0073] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A switching valve testing system, suitable for testing a switching valve (1), wherein the switching valve (1) comprises a fixed hole (101), a plurality of rotating holes (102) and an outlet (103), characterized in that: The switching valve testing system comprises: A first container (2) containing a first liquid; a second container (3) containing a second liquid, wherein the second liquid has a different color from the first liquid; A first liquid separation device (4), one side of which is connected to the first container (2), and the other side of which is connected to a plurality of first pipelines (6); A second liquid separation device (5), one side of which is connected to the second container (3), and the other side of which is connected to a plurality of second pipelines (7); The first pipeline (6) and the second pipeline (7) are suitable for being respectively connected to a plurality of the rotation holes (102); the sum of the number of the first pipeline (6) and the second pipeline (7) is the same as the number of the rotation holes (102); the rotation holes (102) connected to the first pipeline (6) and the rotation holes (102) connected to the second pipeline (7) are arranged alternately; a third pipeline (8), adapted to be connected to the outlet (103) for draining liquid; a driving structure connected to the first container (2) and the second container (3), and adapted to drive the first liquid and the second liquid to flow toward the first pipeline (6) and the second pipeline (7); A control system is adapted to be connected to the switching valve (1), and when the fixed hole (101) is blocked, controls the driving structure to drive the first liquid and the second liquid to flow to the switching valve (1), controls the switching valve (1) to rotate and pump liquid, and after standing for a preset time, tests whether there is liquid cross-talk in the adjacent first pipeline (6) and the second pipeline (7).

2. The switching valve testing system according to claim 1, characterized in that: The first liquid is a transparent reagent, and the second liquid is a colored reagent.

3. The switching valve testing system according to claim 2, characterized in that: The second liquid is a corrosive agent.

4. The switching valve testing system according to any one of claims 1 to 3, characterized in that: The switching valve testing system comprises: A recovery container (9) is connected to the other end of the third pipeline (8) and is suitable for recovering the first liquid and the second liquid.

5. The switching valve testing system according to claim 4, characterized in that: The third pipeline (8) is provided with a first pressure regulating valve, which is connected to the control system and is suitable for adjusting the pressure value of the switching valve test system.

6. The switching valve testing system according to claim 4, characterized in that: The third pipeline (8) is provided with a driving pump (11) and / or a pressure sensor, and the driving pump (11) and / or the pressure sensor are connected to the control system.

7. The switching valve testing system according to any one of claims 1 to 3, characterized in that: The driving structure comprises: A gas source (12), wherein the gas source (12) is connected to the first container (2) and the second container (3) via a fourth pipeline (13), and the gas source (12) is positive pressure gas.

8. The switching valve testing system according to claim 7, characterized in that: The fourth pipeline (13) is provided with a second pressure regulating valve, which is connected to the control system and is suitable for regulating the intake pressure.

9. The switching valve testing system according to claim 8, characterized in that: The second pressure regulating valve comprises a total pressure regulating valve (14) and a bottle pressure regulating valve (15).

10. A switching valve test platform, characterized in that: include: A housing (16), wherein a switching valve mounting position is provided on the housing (16), and the switching valve mounting position is suitable for mounting the switching valve (1); The switching valve testing system according to any one of claims 1 to 9 is connected to the housing (16), and the first pipeline (6) and the second pipeline (7) are arranged outside the housing (16).

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