Liquid level switch detection device for sewage tank of motor train unit

By designing a detection device that includes a constant voltage power supply and a wind power component, the problem of inconvenient detection of the liquid level switch in the waste tank of high-speed trains was solved, realizing convenient detection and heat dissipation, and improving the practicality and safety of the detection.

CN223856562UActive Publication Date: 2026-01-30QINGDAO EMU OF CHINA RAILWAY JINAN BUREAU GRP CO LTD
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Patent Information

Application Number
CN202520620719.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-01-30
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

The inconvenience of detecting the liquid level switch in the waste tank of high-speed trains affects management efficiency and safety.

Method used

A detection device including a constant voltage power supply, a support frame and a cable tray was designed. It uses a float-type liquid level switch and a wind power component for detection and heat dissipation. The indicator light flashes after the float rises to complete the test, and heat is dissipated by wind flow.

Benefits of technology

It enables convenient liquid level switch detection, improves the practicality of detection, and avoids potential accidents caused by heat buildup.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of switch detection devices, in particular to a motor train unit sewage tank liquid level switch detection device, which comprises a constant-voltage power supply, a support frame and a wire slot, a quick interface is fixedly arranged on the support frame, the quick interface is connected with a floating ball type liquid level switch, and the quick interface is electrically connected with the constant-voltage power supply through a wire. And a connected wire penetrates through the wire slot. According to the utility model, after the working principle of the floating ball type liquid level switch is known and the floating ball type liquid level switch is electrified and connected, and the simulation floating ball floats up for 15S, the test is completed, so that the detection of the liquid level switch of the sewage tank of the motor train unit is facilitated and the detection of the liquid level switch of the sewage tank of the motor train unit is facilitated.
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Description

Technical Field

[0001] This utility model relates to the technical field of switch detection devices, specifically a liquid level switch detection device for a waste tank in a high-speed train. Background Technology

[0002] The liquid level switch detection device for the waste tank in high-speed trains is mainly used to monitor and control the liquid level of the waste tank (such as the sewage tank in the toilet) in the high-speed train. Through timely alarm and monitoring, it can effectively prevent the waste tank from overflowing, reduce pollution to the interior of the high-speed train and the passenger environment, and ensure safety.

[0003] After the maintenance of the liquid level switch in the waste tank of a high-speed train is completed, it is not convenient to test the liquid level switch. This limits the comprehensive testing and evaluation of its function to a certain extent. This limitation may make it difficult to detect potential problems in the operation of the liquid level switch in a timely manner, thereby affecting the management efficiency and safety of the waste tank. To this end, we propose a testing device for the liquid level switch of the waste tank of a high-speed train. Utility Model Content

[0004] The purpose of this invention is to provide a detection device for the liquid level switch of the waste tank of a high-speed train, so as to solve the technical problem mentioned in the background art that it is inconvenient to detect the liquid level switch of the waste tank of a high-speed train.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a liquid level switch detection device for a waste tank of a high-speed train, comprising a constant voltage power supply, a support frame and a cable tray. A quick-connect interface is fixedly installed on the support frame, and a float-type liquid level switch is connected to the quick-connect interface. The quick-connect interface is electrically connected to the constant voltage power supply through a wire, and the connected wire passes through the cable tray.

[0006] Preferably, a wind-powered component is provided at the top of the cable tray, and a heat dissipation component is provided inside the cable tray.

[0007] Preferably, the groove is provided with an array of heat dissipation holes.

[0008] Preferably, the wind power component includes a mounting box, a fan, an air collection box, and a filter plate. The mounting box is fixedly installed on the cable tray, the fan is symmetrically arranged inside the mounting box, the air collection box is fixedly installed inside the mounting box and the output end of the fan is connected to the air collection box, and the filter plate is fixedly installed on the top of the mounting box.

[0009] Preferably, the heat dissipation component includes a flow channel and air jets. The flow channel is embedded inside the groove and is located on one side of the heat dissipation hole. Air jets are arranged in an array on the flow channel.

[0010] Preferably, a connector is installed on the diversion channel, and one end of the connector is connected to the air collection box through a pipe.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The utility model discloses a working principle of the float ball type liquid level switch is understood to be connected after power on, simulates the float ball and floats 15S, and the liquid level switch pilot lamp flashes 15s, and the state indicating lamp will appear the constant state after 15s, completes the test, and then the motor train unit dirt tank liquid level switch detection is convenient, the motor train unit dirt tank liquid level switch detection is convenient, and the practicability of the motor train unit dirt tank liquid level switch detection device is improved.

[0013] 2. The utility model discloses a shunt groove is installed, and the wind power flow is generated when the fan works, and the wind power enters the wind collecting box inside, and the wind power flow that enters the wind collecting box inside cooperates with the connecting head and will make the wind power flow enter the shunt groove inside, after the wind power flow enters the shunt groove inside, through the air jet hole, the wind power will flow to the wire slot inside, and then the wire slot inside will be heat dissipation treatment, avoid the heat accumulation and lead to the accident. DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the wire slot structure schematic diagram of the utility model;

[0016] Figure 3 It is the shunt groove structure schematic diagram of the utility model.

[0017] In the drawing: 1, constant voltage power supply;2, support frame;3, quick interface;4, float ball type liquid level switch;5, wire slot;6, installation box;7, filter plate;8, heat dissipation hole;9, fan;10, wind collecting box;11, shunt groove;12, connecting head;13, air jet hole. CONCRETE IMPLEMENTING METHOD

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Please refer to Figures 1 to 3A motor train set dirt box liquid level switch detection device, including constant voltage power supply 1, support frame 2 and wire slot 5, the support frame 2 is fixedly installed with quick interface 3, the quick interface 3 is connected with the float ball type liquid level switch 4, and the quick interface 3 is electrically connected with the constant voltage power supply 1 through wires, and the connected wires penetrate through the wire slot 5.When the float ball type liquid level switch 4 used by the motor train set dirt box is detected by the motor train set dirt box liquid level switch detection device, the float ball type liquid level switch 4 to be detected is connected with the quick interface 3, the constant voltage power supply 1 is a constant voltage DC 24V power supply, the float ball type liquid level switch 4, the float ball type liquid level switch D024V color state indicator light, by understanding the working principle of the float ball type liquid level switch 4 after power connection, after 15s of the float ball type liquid level switch 4, the state indicator light will appear the constant state after 15s of the liquid level switch indicator light flickering, the test is completed, and the motor train set dirt box liquid level switch detection is facilitated, and the wires connected can be limited and protected through the wire slot 5.

[0020] Please refer to Figure 1 and Figure 2 , the wire slot 5 is provided with a wind power assembly, and the wire slot 5 is provided with a heat dissipation assembly, the wind power assembly works to generate wind power into the heat dissipation assembly, and the wind power flows to the surface of the wire through the heat dissipation assembly, so that the wire can be heat dissipation treated.

[0021] Please refer to Figure 1 and Figure 2 , the wire slot 5 is provided with a heat dissipation hole 8, and the wire slot 5 is provided with a heat dissipation hole 8, so that the air in the wire slot 5 can flow, and heat dissipation treatment is facilitated.

[0022] Please refer to Figure 2 , the wind power assembly comprises an installation box 6, a fan 9, a wind collecting box 10 and a filter plate 7, the installation box 6 is fixedly installed on the wire slot 5, the fan 9 is symmetrically arranged in the installation box 6, the wind collecting box 10 is fixedly arranged in the installation box 6, and the output end of the fan 9 is communicated with the wind collecting box 10, and the filter plate 7 is fixedly arranged on the top of the installation box 6, so that the fan 9 works to generate wind power flow, the wind power enters the wind collecting box 10, and the wind power flows to the outside through the wind collecting box 10, and the filter plate 7 can filter the air entering the installation box 6.

[0023] Please refer to Figure 3 , the heat dissipation assembly comprises a shunt groove 11 and a jet hole 13, the shunt groove 11 is inlaid in the wire slot 5, and the shunt groove 11 is located on one side of the heat dissipation hole 8, the shunt groove 11 is provided with a jet hole 13, the wind power flows into the shunt groove 11, and the wind power flows into the wire slot 5 through the jet hole 13, so that the wire slot 5 can be heat dissipation treated, and the heat accumulation is avoided to cause the accident.

[0024] Please refer toFigure 2 And Figure 3 The connecting head 12 is installed on the shunt groove 11, and one end of the connecting head 12 is connected with the air collecting box 10 through a pipeline, and the wind flow entering the air collecting box 10 will flow into the shunt groove 11 through the pipeline and the connecting head 12.

[0025] Working principle, first constant voltage power supply 1 is constant voltage DC 24V power supply, float ball type liquid level switch 4, float ball type liquid level switch D024V color state indicator, through understanding the working principle of float ball type liquid level switch 4 and power connection, after 15S of simulation float ball floating, namely liquid level switch indicator flickering 15s, the state indicator will appear constant state, complete test, and facilitate the detection of EMU dirt tank liquid level switch, through the wire slot 5 can be connected to the wire limiting protection, the fan 9 works to produce wind flow, the wind force enters the air collecting box 10, the wind flow entering the air collecting box 10 will flow into the shunt groove 11 through the pipeline and the connecting head 12, after the wind flow entering the shunt groove 11, through the air jet hole 13, the wind flow will flow into the wire slot 5, and then the wire slot 5 will be heat treated, to avoid the accumulation of heat and cause the accident.

[0026] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A motor train set dirt box liquid level switch detection device, comprising a constant voltage power supply (1), a support frame (2) and a wire slot (5), characterized in that: The support frame (2) is fixedly provided with a quick connector (3), the quick connector (3) is connected with a float ball type liquid level switch (4), and the quick connector (3) is electrically connected with the constant voltage power supply (1) through wires, and the wires are penetrated through a wire slot (5).

2. The EMU dirt box liquid level switch detection device according to claim 1, characterized in that: The wire slot (5) is provided with a wind power assembly at the top, and is provided with a heat dissipation assembly inside.

3. The EMU dirt box liquid level switch detection device according to claim 2, characterized in that: The wire slot (5) is provided with heat dissipation holes (8) in an array.

4. The EMU dirt box liquid level switch detection device according to claim 3, characterized in that: The wind power assembly comprises a mounting box (6), a fan (9), a wind collecting box (10) and a filter plate (7), the mounting box (6) is fixedly mounted on the wire slot (5), the fan (9) is symmetrically arranged inside the mounting box (6), the wind collecting box (10) is fixedly arranged inside the mounting box (6), and the output end of the fan (9) is communicated with the wind collecting box (10), and the filter plate (7) is fixedly arranged on the top of the mounting box (6).

5. The EMU dirt box liquid level switch detection device according to claim 2, characterized in that: The heat dissipation assembly comprises a shunt groove (11) and a jet hole (13), the shunt groove (11) is inlaid inside the wire slot (5), and the shunt groove (11) is located on one side of the heat dissipation hole (8), and the shunt groove (11) is provided with jet holes (13) in an array.

6. The EMU dirt box liquid level switch detection device according to claim 5, characterized in that: The shunt groove (11) is provided with a connecting head (12), and one end of the connecting head (12) is communicated with the wind collecting box (10) through a pipeline.