A motor train set toilet bowl parts testing platform

By designing a test bench for the toilet components of high-speed trains, the problem of difficulty in judging the performance of components after maintenance was solved, and automated testing and maintenance cycle recording were realized, reducing maintenance risks.

CN224327917UActive Publication Date: 2026-06-05CHINA RAILWAY GUANGZHOU BUREAU GRP CO LTD GUANGZHOU EMU

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA RAILWAY GUANGZHOU BUREAU GRP CO LTD GUANGZHOU EMU
Filing Date
2025-02-18
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The lack of relevant testing equipment after the maintenance of toilet components on high-speed trains makes it impossible to accurately assess their performance, resulting in the inability to regularly record maintenance and replacement plans and increasing the risk of unexpected maintenance incidents.

Method used

A test bench for the components of a high-speed train toilet was designed, which includes an operating table, a test table, a water tank, a cylinder, a pressure-holding air duct, a display, and a group of multiple test ports. It enables functional testing and self-diagnosis of the main components of the toilet, and the test data is displayed intuitively through electronic display.

Benefits of technology

It enables comprehensive testing of toilet components, automatically judges the results, reduces the probability of unexpected maintenance events, and facilitates the recording of maintenance and replacement cycles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of motor train unit toilet bowl parts test bench, including operation platform, test bench, test bench is fixed in operation platform top, the inside of operation platform is equipped with water tank, air cylinder, and pressure maintaining air pipe is equipped with between air cylinder and test bench communication;Display is equipped on test bench, for adjusting the test system of different elements;Test port group is further equipped on test bench, test port group is communicated with air cylinder, and test port group inside is equipped with blow-off port, and blow-off tank is equipped on operation platform, the device is by using wind pressure and electronic components, so that toilet bowl parts comprehensive test bench can carry out function test to the main components (vacuum generator, slide valve, stop valve, pipe valve) of toilet bowl with batch, can determine the performance parameter of accessory quickly, simplify the entire use process of toilet bowl main component.
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Description

Technical Field

[0001] This utility model relates to the technical field of high-speed train toilet equipment, specifically a test bench for high-speed train toilet components. Background Technology

[0002] Because there is no relevant testing equipment to test the butterfly valve, slide valve, HOSE valve, and vacuum pump of the high-speed train toilet after maintenance, the performance of the repaired components cannot be accurately and intuitively judged. Workers lack visually verifiable performance parameters for the repaired high-speed train toilet components, making it impossible to accurately determine whether the component is usable and its service life based on its strength. This hinders the regular recording and customization of maintenance and replacement plans, increasing the risk of unexpected maintenance incidents. To address these issues, this utility model provides a testing platform for high-speed train toilet components, which can solve the problems mentioned in the background. Utility Model Content

[0003] This utility model adopts the following technical solution:

[0004] A test bench for toilet components of a high-speed train includes an operating table and a test bench. The test bench is fixed above the operating table. The operating table is equipped with a water tank and a blower. A pressure-maintaining air pipe is connected between the blower and the test bench.

[0005] The test bench is equipped with a display for adjusting the test system for different components;

[0006] The test platform is also equipped with a test port group, which is connected to the air cylinder. The test port group has a drain port inside, and the operating platform is equipped with a drain box.

[0007] Preferably, the test port group includes a pressure holding interface, a pressure holding test cylinder interface, and a common air source interface. The common air source interface is connected to the air cylinder, and the pressure holding interface is connected to the pressure holding air duct.

[0008] Preferably, the test port group further includes a flow rate test port, and the test platform is equipped with a wind pressure adjustment switch and a wind pressure filter regulator, with the flow rate test port connected to the wind pressure filter regulator.

[0009] Preferably, the test port group further includes a reliability test cylinder interface.

[0010] Preferably, the test port group further includes a vacuum generator drive interface and a vacuum extraction port.

[0011] Preferably, the test port group further includes an electrical connection port, and the test bench is equipped with an electrically controlled valve connected to the electrical connection port.

[0012] Preferably, the test bench is equipped with a main air pressure control switch connected to the air cylinder, and the test bench is equipped with an electronic air pressure gauge and a pointer air pressure gauge to display the pressure status inside the pipeline.

[0013] Preferably, the test bench is also equipped with a pressure sensor.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention utilizes wind pressure and electronic components to enable a comprehensive testing platform for toilet components to perform functional tests on the main components of the toilet (vacuum generator, slide valve, shut-off valve, and pipe valve) in the same batch. It meets the requirements for fault handling, component disassembly, repair, and testing, and automatically judges the results. By testing the relevant performance of the components under repair, it performs functional self-diagnosis and comprehensively compares the test data of the toilet system with the standard set values ​​to determine whether the measured data is qualified.

[0016] By displaying data from vacuum tests, leak tests, flow tests, and reliability tests electronically, staff can quickly record information and determine maintenance and replacement cycles, reducing the probability of unexpected maintenance incidents. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the panel structure arrangement of this utility model;

[0019] Figure 3 This is a schematic diagram of the electrical process of this utility model;

[0020] Figure 4 This is a schematic diagram showing the test interface locations and corresponding precision interfaces of the test port group of this utility model;

[0021] Figure 5 This is a schematic diagram of the vacuum test standard curve of this utility model;

[0022] Figure 6 This is a schematic diagram of the standard curve for leakage testing of this utility model;

[0023] Figure 7 This is a schematic diagram of the standard curve for flow rate testing of this utility model;

[0024] Figure 8 This is a schematic diagram of the reliability test standard curve for this utility model.

[0025] In the diagram: 1. Control panel; 2. Test bench; 3. Monitor; 4. Electronic pressure gauge; 5. Pointer pressure gauge; 6. Pressure adjustment switch; 7. Electrical connection port; 8. Test port group; 10. Main pressure control switch; 14. Pressure sensor; 15. Electrically controlled valve; 16. Drainage box;

[0026] 801. Common air source interface; 802. Reliability test cylinder interface; 803. Pressure holding test cylinder interface; 804. Pressure holding interface; 805. Flow rate test port; 806. Vacuum generator drive interface; 807. Drain port; 808. Vacuum extraction port. Detailed Implementation

[0027] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art to which this invention pertains. The terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0030] The present invention will be further described in detail below with reference to the accompanying drawings.

[0031] Please refer to the attached document carefully. Figure 1-3 The system includes an operating table 1 and a test table 2. The test table 2 is fixed above the operating table 1. The operating table 1 is equipped with a water tank and an air cylinder. A pressure-maintaining air pipe is connected between the air cylinder and the test table 2.

[0032] The test bench 2 is equipped with a display 3 for adjusting the test system of different components;

[0033] The test bench 2 is also provided with a test port group 8, which is connected to the air cylinder. The test port group 8 is provided with a drain port 807 inside, and the operating table 1 is provided with a drain box 16.

[0034] Please see Figure 3-8 The test port group 8 includes a pressure holding interface 804, a pressure holding test cylinder interface 803, and a common air source interface 801. The common air source interface 801 is connected to the air cylinder, and the pressure holding interface 804 is connected to the pressure holding air duct.

[0035] The test port group 8 also includes a flow rate test port 805. The test bench 2 is equipped with a wind pressure adjustment switch 6 and a wind pressure filter regulator. The flow rate test port 805 is connected to the wind pressure filter regulator.

[0036] The test port group 8 also includes a reliability test cylinder interface 802;

[0037] The test port group 8 also includes a vacuum generator drive interface 806 and a vacuum port 808.

[0038] The test port group 8 also includes an electrical connection port 7, and the test bench 2 is equipped with an electrically controlled valve 15 connected to the electrical connection port 7;

[0039] The test bench 2 is equipped with a main air pressure control switch 10 connected to the air cylinder. The test bench 2 is also equipped with an electronic air pressure gauge 4 and a pointer air pressure gauge 5 to display the pressure status inside the pipeline.

[0040] The test bench 2 is also equipped with a pressure sensor 14.

[0041] Example 1, please refer to Figure 3-8 3C vacuum pump vacuum degree test:

[0042] Connect the drive port to the vacuum generator drive port 1 on the air circuit panel, connect the flushing port to the flow test port 805, connect the vacuum port to the vacuum extraction port 808, connect the drain port 807 to the drain port 807 on the panel, block the pressure test ports on both sides, connect the solenoid valves 1 / 2 / 3 to connector 2 of the control panel 1 / 2 / 3 respectively, start the vacuum test, set the vacuum time, set the qualified vacuum degree, click start test, and it will automatically stop after the test is completed. The system will automatically judge whether it is qualified.

[0043] Flushing / boosting flux test:

[0044] The connection method is the same as the vacuum test. If the flow rate is tested separately, the drain port 807 and vacuum port 2 can be disconnected to start the flushing / pressurization flow rate test. Set the test time and the qualified inflation pressure, click start test, and it will automatically stop after the test is completed. The system will automatically determine whether it is qualified.

[0045] Example 2, please refer to Figure 3-8 Vacuum generator vacuum degree test:

[0046] The drive port is connected to the vacuum generator drive port 2 on the gas circuit panel, the vacuum port is connected to the vacuum port 808, the drain port 807 is connected to the drain port 807 on the panel, and the pressure test port is blocked.

[0047] Click on the screen to set the vacuuming time and the acceptable vacuum level. Click "Start Test". The test will automatically stop after it ends, and the system will automatically determine whether it is qualified.

[0048] Example 3, please refer to Figure 3-8 Pipe and valve sealing test:

[0049] Connect the valve's new port to the pressure-holding test cylinder NC on the pneumatic control panel, and connect the pressure-holding port to the panel's pressure-holding interface 804. Click "Start Valve Closure and Leakage Test," set the pressure-holding time and maximum leakage rate, and click "Start Test." The test will automatically stop after completion, and the system will automatically determine whether it passes.

[0050] Fatigue test: Connect the valve to the pneumatic circuit panel reliability test cylinder 1 or 2NC; click Start Reliability Test, set the number of tests and interval time for pneumatic channel 1 or 2, and it will automatically stop after the test is completed;

[0051] Spool valve sealing test: Connect the valve shut-off port to the common gas source, the pressure holding port to the pressure holding interface 804 on the panel, and the solenoid valve interface to the connector on the control panel; click "Start Valve Shut-off Leakage Test", set the pressure holding time and maximum leakage, click "Start Test", and the test will automatically stop after completion. The system will automatically determine whether the test is qualified. Fatigue test: Connect the valve shut-off port to the common gas source, and the solenoid valve interface to connector 4, 5, or 6 on the control panel; click "Reliability Test", set the number of tests and the interval time for solenoid valve channels 1, 2, or 3, and click "Start Test". The test will automatically stop after completion.

[0052] Example 4, please refer to Figure 3-8 Gate valve sealing test:

[0053] Connect the actuator cylinder NC to the pneumatic circuit panel, connect the actuator cylinder NO to the pressure holding test cylinder NO, and connect the pressure holding port to the panel pressure holding interface 804: Click Start Valve Shutdown Leakage Test, set the pressure holding time and maximum leakage, click Start Test, and it will automatically stop after completion. The system will automatically determine whether it is qualified; Fatigue Test: Connect the actuator cylinder NC to the pneumatic circuit panel, connect the actuator cylinder NO to the reliability test cylinder 1 or 2 NC, and connect the actuator cylinder NO to the reliability test cylinder 1 or 2 NO; Click Reliability Test, set the number of tests and the interval time for pneumatic channels 1 or 2, click Start Test, and it will automatically stop after completion.

[0054] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.

Claims

1. A test bench (2) for components of a high-speed train toilet, characterized in that: It includes an operating table (1) and a test table (2). The test table (2) is fixed above the operating table (1). The operating table (1) is equipped with a water tank and a wind cylinder. A pressure-maintaining air pipe is connected between the wind cylinder and the test table (2). The test bench (2) is equipped with a display (3) for adjusting the test system of different components; The test bench (2) is also provided with a test port group (8), which is connected to the air cylinder. The test port group (8) is provided with a drain port (807) inside, and the operating table (1) is provided with a drain box (16).

2. The test bench (2) for the components of a high-speed train toilet according to claim 1, characterized in that: The test port group (8) includes a pressure holding interface (804), a pressure holding test cylinder interface (803), and a common air source interface (801). The common air source interface (801) is connected to the air cylinder, and the pressure holding interface (804) is connected to the pressure holding air duct.

3. The test bench (2) for the components of a high-speed train toilet according to claim 1, characterized in that: The test port group (8) also includes a flow rate test port (805). The test bench (2) is equipped with a wind pressure adjustment switch (6) and a wind pressure filter regulator. The flow rate test port (805) is connected to the wind pressure filter regulator.

4. The test bench (2) for components of a high-speed train toilet according to claim 1, characterized in that: The test port group (8) also includes a reliability test cylinder interface (802).

5. A test bench (2) for components of a high-speed train toilet according to claim 1, characterized in that: The test port group (8) also includes a vacuum generator drive interface (806) and a vacuum port (808).

6. The test bench (2) for components of a high-speed train toilet according to claim 1, characterized in that: The test port group (8) also includes an electrical connection port (7), and the test bench (2) is equipped with an electrically controlled valve (15) connected to the electrical connection port (7).

7. The test bench (2) for the toilet components of a high-speed train as described in claim 1, characterized in that: The test bench (2) is equipped with a main air pressure control switch (10) connected to the air cylinder. The test bench (2) is equipped with an electronic air pressure gauge (4) and a pointer air pressure gauge (5) to display the pressure status inside the pipeline.

8. A test bench (2) for components of a high-speed train toilet according to claim 1, characterized in that: The test bench (2) is also equipped with a pressure sensor (14).