Control gas path integrated structure for rail transit auxiliary air supply unit integrated device

By designing the main and auxiliary plate structure and optimizing the air path layout, the problem of complex control air path structure in existing rail transit auxiliary air supply unit integrated devices has been solved, achieving structural simplification, cost reduction and reliability improvement.

CN224375574UActive Publication Date: 2026-06-19HUATIE WABTEC FAIVELEY (QINGDAO) TRANSPORT EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUATIE WABTEC FAIVELEY (QINGDAO) TRANSPORT EQUIP CO LTD
Filing Date
2025-08-22
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The existing integrated control air circuit structure of the auxiliary air supply unit for rail transit is complex, resulting in high cost, difficult maintenance and poor reliability, making it difficult to meet the requirements of lightweight and integrated design.

Method used

The system adopts a main board and sub-board structure. The main board has a pneumatic component mounting interface on its outer side, and the sub-board has an air path input and output interface on its outer side. The air path channels are located on the same plane. The main board and sub-board are fixed together by filler and welding, which simplifies the pipeline and connection modules and optimizes the air path layout.

Benefits of technology

It simplifies the control air circuit structure, reduces production and maintenance costs, improves reliability and processing difficulty, ensures stable air flow, and facilitates the installation and maintenance of pneumatic components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a control gas path integrated structure for rail transit auxiliary air supply unit integrated device, including mainboard and vice board, the adhesion setting between mainboard and vice board, the outer side of mainboard is provided with pneumatic component mounting interface, the inner side of mainboard is provided with the gas path flow channel corresponding with pneumatic component, the outer side of vice board is provided with the gas path input interface and gas path output interface corresponding with gas path flow channel, the utility model adopts modular integrated design, this design will auxiliary air supply unit integrated device control gas path part pneumatic component centralized arrangement, greatly simplified auxiliary air supply unit integrated device control gas path part structure, thereby significantly reduced its production cost and installation difficulty, improved its maintainability and reliability.
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Description

Technical Field

[0001] This utility model relates to the field of rail transit technology, and in particular to the integrated structure of control air circuit for an integrated device for rail transit auxiliary air supply unit. Background Technology

[0002] The auxiliary air supply unit integrated device is an auxiliary air supply device on the EMU (Electric Multiple Unit). When the main air compressor cannot start in the pantograph-lowered state, it provides an auxiliary air source for the operation of the EMU's high-voltage equipment (pantograph, vacuum circuit breaker, protective grounding switch, etc.). The control air circuit integrated board, as a crucial component of the auxiliary air supply unit integrated device, primarily connects the air circuits of the EMU's high-voltage equipment to the compressor air circuit of the auxiliary air supply unit integrated device, providing an air circuit channel for the auxiliary air supply unit integrated device to control the EMU's high-voltage equipment.

[0003] The existing auxiliary air supply unit integrated device has a complex control air circuit structure with many pipelines and connection modules, resulting in high cost, difficult maintenance, and poor reliability. Moreover, it is difficult to meet the requirements of EMU for lightweight and integrated design. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing an integrated control air circuit structure for an integrated device for auxiliary air supply units in rail transit.

[0005] This utility model is achieved using the following technical solution:

[0006] An integrated control air circuit structure for an integrated device for auxiliary air supply units in rail transit, including a main board and a sub-board;

[0007] The main board and the sub-board are fitted together. The outer side of the main board is provided with a pneumatic component mounting interface, and the inner side of the main board is provided with an air passage corresponding to the pneumatic component. The outer side of the sub-board is provided with an air passage input interface and an air passage output interface corresponding to the air passage.

[0008] Preferably, the pneumatic component mounting interface includes a test point component mounting interface, a grounding protection disconnect component mounting interface, a grounding protection connection component mounting interface, a pressure regulator mounting interface, a pressure gauge mounting interface, a test grounding protection connection component mounting interface, a pantograph two-way valve mounting interface, a test grounding protection disconnect component mounting interface, a grounding protection two-way valve mounting interface, and a key box mounting interface.

[0009] Preferably, the pneumatic component mounting interface is arranged in layers and areas from top to bottom along the outer side of the motherboard.

[0010] Preferably, the air passages are located in the same plane.

[0011] Preferably, a filler is provided inside between the main board and the sub-board, and the outer ring of the main board and the sub-board is welded together.

[0012] Preferably, corresponding fixing holes are provided between the outer ring of the main board and the sub-board.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] 1. By integrating the control air circuit pipeline and connection module of the auxiliary air supply unit integrated device together, the structure of the control air circuit of the auxiliary air supply unit integrated device is greatly simplified, the reliability of its structure is improved, and the cost is reduced.

[0015] 2. The main and auxiliary plates adopt a main and auxiliary plate structure. The main and auxiliary plates are designed differently due to their functions, which greatly reduces the processing difficulty and reduces the production and manufacturing cost.

[0016] 3. The outer side of the main board is equipped with pneumatic component mounting interfaces, and the outer side of the sub-board is equipped with air circuit input and output interfaces, which greatly facilitates the installation and maintenance of pneumatic components and air circuit input and output pipelines, and reduces the production and maintenance costs of the auxiliary air supply unit integrated device.

[0017] 4. The air passages on the inner side of the main board are optimized according to the pneumatic component layout structure. The air passages are reasonably laid out and do not affect each other, which can ensure stable and sufficient air flow. After the pneumatic components are installed, they can respond quickly and have high reliability. Attached Figure Description

[0018] Figure 1 This is a side view of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the pneumatic component mounting interface arrangement structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the gas flow channel arrangement structure of this utility model.

[0021] In the diagram: 1. Main board; 2. Sub-board; 3. Test point component mounting interface; 4. Grounding protection disconnect component mounting interface; 5. Grounding protection connection component mounting interface; 6. Pressure regulator mounting interface; 7. Pressure gauge mounting interface; 8. Test grounding protection connection component mounting interface; 9. Pantograph two-way valve mounting interface; 10. Test grounding protection disconnect component mounting interface; 11. Grounding protection two-way valve mounting interface; 12. Key box mounting interface; 13. Gas flow path. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments described below are intended to facilitate the understanding of the present invention and do not limit it in any way.

[0023] like Figure 1-3 As shown: The integrated structure of the control air circuit for the integrated device of auxiliary air supply unit for rail transit includes a main board 1 and a sub-board 2;

[0024] The main board 1 and the sub-board 2 are attached together. The outer side of the main board 1 is provided with a pneumatic component mounting interface, and the inner side of the main board 1 is provided with an air passage 13 corresponding to the pneumatic component. The outer side of the sub-board 2 is provided with an air passage input interface and an air passage output interface corresponding to the air passage 13.

[0025] The pneumatic component mounting interfaces include: test point component mounting interface 3, grounding protection disconnect component mounting interface 4, grounding protection connection component mounting interface 5, pressure regulator mounting interface 6, pressure gauge mounting interface 7, test grounding protection connection component mounting interface 8, pantograph two-way valve mounting interface 9, test grounding protection disconnect component mounting interface 10, grounding protection two-way valve mounting interface 11, and key box mounting interface 12.

[0026] The pneumatic component mounting interfaces are arranged in layers and areas from top to bottom along the outer side of the main board 1. Preferably, they are divided into four layers from top to bottom. The first layer, from left to right, contains the test point, grounding protection disconnect, grounding protection connection, and pressure regulator mounting position. The second layer, from left to right, contains the pressure gauge and test grounding protection connection mounting position. The third layer, from left to right, contains the pantograph two-way valve, test grounding protection disconnect, and grounding protection two-way valve mounting positions. The fourth layer contains the key box mounting position. The components in the first to third layers are generally aligned from top to bottom.

[0027] The air passage 13 is located on the same plane. The air passage 13 is optimized according to the installation position of the pneumatic components on the outside of the main board 1.

[0028] A filler is provided inside between the main board 1 and the sub-board 2, and the outer ring of the main board 1 and the sub-board 2 is welded together. Preferably, the main board 1 and the sub-board 2 are bonded together by internal filler and external ring brazing.

[0029] Corresponding mounting holes are provided between the outer rings of the main board 1 and the sub-board 2. Overlapping mounting holes are evenly distributed around the four sides of the main board 1 and the sub-board 2. After molding, the whole assembly is installed into the auxiliary air supply unit integrated control box.

[0030] The aforementioned utility model integrates the control air circuit piping and connection modules of the auxiliary air supply unit integrated device, greatly simplifying the structure of the control air circuit, improving its reliability, and reducing costs. It adopts a main and auxiliary board structure, with the main and auxiliary boards designed differently for their functions, thus significantly reducing processing difficulty and manufacturing costs. The outer side of the main board 1 has pneumatic component mounting interfaces, while the outer side of the auxiliary board 2 has air circuit input and output interfaces, greatly facilitating the installation and maintenance of pneumatic components and air circuit input / output piping, reducing the production and maintenance costs of the auxiliary air supply unit integrated device. The air circuit on the inner side of the main board 1 is optimized according to the pneumatic component layout structure, with a reasonable airflow path layout that does not interfere with each other, ensuring stable and sufficient airflow. After installation, the pneumatic components can respond quickly and have high reliability.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A control gas path integrated structure for a rail transit auxiliary air supply unit integrated device, characterized by, Includes a mainboard (1) and a secondary board (2); The main board (1) and the sub-board (2) are attached together. The outer side of the main board (1) is provided with a pneumatic component mounting interface. The inner side of the main board (1) is provided with an air passage (13) corresponding to the pneumatic component. The outer side of the sub-board (2) is provided with an air passage input interface and an air passage output interface corresponding to the air passage (13).

2. The integrated control air circuit structure for the integrated device of auxiliary air supply unit for rail transit as described in claim 1, characterized in that, The pneumatic component mounting interfaces include a test point component mounting interface (3), a grounding protection disconnect component mounting interface (4), a grounding protection connection component mounting interface (5), a pressure regulator mounting interface (6), a pressure gauge mounting interface (7), a test grounding protection connection component mounting interface (8), a pantograph two-way valve mounting interface (9), a test grounding protection disconnect component mounting interface (10), a grounding protection two-way valve mounting interface (11), and a key box mounting interface (12).

3. The integrated control air circuit structure for the integrated device of auxiliary air supply unit for rail transit as described in claim 2, characterized in that, The pneumatic component mounting interface is arranged in layers and areas from top to bottom along the outer side of the motherboard (1).

4. The integrated control air circuit structure for the integrated device of auxiliary air supply unit for rail transit as described in claim 3, characterized in that, The air passages (13) are located on the same plane.

5. The integrated control air circuit structure for the integrated device of auxiliary air supply unit for rail transit as described in claim 1, characterized in that, A filler is provided inside between the main board (1) and the sub-board (2), and the outer ring of the main board (1) and the sub-board (2) is welded together.

6. The integrated control air circuit structure for the integrated device of auxiliary air supply unit for rail transit as described in claim 5, characterized in that, Corresponding fixing holes are provided between the outer rings of the main board (1) and the sub-board (2).