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Pressure monitoring device for rail transit braking system

A brake system and rail transit technology, applied in the field of rail vehicle brake systems, can solve problems such as complicated management, waste of resources, and scattered layout of external air supply functions, so as to reduce the use of raw materials, reduce energy consumption, and realize modular layout Effect

Inactive Publication Date: 2019-07-30
NANJING CRRC PUZHEN HAITAI BRAKE EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a rail transit system with centralized management, lightweight design and modular production for the deficiencies of the existing total wind pressure monitoring and external air supply function scattered layout, complicated management, and waste of resources. Pressure monitoring device for dynamic system

Method used

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  • Pressure monitoring device for rail transit braking system
  • Pressure monitoring device for rail transit braking system
  • Pressure monitoring device for rail transit braking system

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0019] The device structure of the present invention is as figure 1 As shown, it includes a box cover 1 , a mounting bracket 2 , an air circuit board 15 , a function integration module (in the box cover 1 ) and a sealing gasket 4 arranged on the air circuit board 15 . Install the box cover 1 and the gasket 4 to the air circuit board 15 under the functional integration module by fastening the bolts, and the overall protection level of the device can reach IP65.

[0020] The detailed layout of the functional integration module is as follows: figure 2 , image 3 As shown, the pressure monitoring module and the external air supply module are integrated on the s...

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Abstract

The invention discloses a pressure monitoring device for a rail transit braking system. The pressure monitoring device comprises a main air pressure monitoring module and an external air supplying module. The main air pressure monitoring module comprises a cut-out cock, a single-pole double-throw pressure switch and a double-pole double-throw pressure switch which are arranged on an air channel connected to a main air reservoir, and feedback signals of the single-pole double-throw pressure switch is connected in series in a control loop of an air supply device to realize automatic start and stop control of an air compressor; a group of feedback signals of the double-pole double-throw pressure switch is connected in series in an emergency braking loop to realize train emergency braking control, and the other group of signals is used for monitoring the system main air pressure; and the external air supplying module comprises an external air supply socket and an electriferous contact cockwhich are arranged on an air channel connected between an external air source and an air purification device, and feedback signals of the electriferous contact cock are used for monitoring the operation state of external air supply. According to the pressure monitoring device for the rail transit braking system, the pressure monitoring device for the braking system is integrated, modular and lightweight.

Description

technical field [0001] The invention relates to a pressure monitoring device for a braking system, which belongs to the technical field of rail vehicle braking systems. Background technique [0002] The urban rail transit braking system usually needs to have the monitoring function of the total air pressure, including the monitoring of the total air pressure of the air compressor backup start and stop, and the monitoring of the total air pressure of the emergency braking control; at the same time, the braking system also needs to have the air supply function of the external air source. At present, the prior art basically adopts the design scheme that the three functional modules are separately arranged under the vehicle. The disadvantage of this design scheme is that separate installation interfaces and cable wiring lines need to be set up under the vehicle, which is not conducive to vehicle lightweight and modular layout under the vehicle. Secondly, the backup start-stop f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T17/02B60T17/22
CPCB60T17/02B60T17/22
Inventor 刘凯王宏宇徐祥晖
Owner NANJING CRRC PUZHEN HAITAI BRAKE EQUIP CO LTD
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