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Auxiliary braking control device and method used for magnetic levitation train

A technology of auxiliary braking and control device, applied in the direction of braking transmission, brake, railway braking system, etc., can solve the problems of poor passenger comfort, large impact, excessive deceleration, etc., to avoid emergency braking and reduce speed. The effect of excessive speed and improved comfort

Pending Publication Date: 2018-10-16
CHINA RAILWAY BAOJI BRIDGE GRP
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AI Technical Summary

Problems solved by technology

When the train is not fully loaded, excessive deceleration occurs during emergency braking, resulting in a large impact, poor passenger comfort, and certain damage to the train

Method used

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  • Auxiliary braking control device and method used for magnetic levitation train

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Embodiment Construction

[0036] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0037] like figure 1 As shown, an auxiliary braking control device for maglev trains, including an electronic control part and an air circuit control part;

[0038] The electronic control part includes: air compressor start-stop pressure switch 3, total air pressure switch 4, total air pressure sensor 5 and average valve outlet pressure sensor 14;

[0039] The air circuit control part includes: main air plug door 1, main air filter 2, main air pressure test joint 6, one-way valve 7, air spring end pressure regulating valve 8, air spring end test joint 9, main air plug door 210. Air control valve end pressure regulating valve 11, air control valve end test joint 12, air control valve 13, average valve outlet end test joint 15 and average va...

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Abstract

The invention discloses an auxiliary braking control device used for a magnetic levitation train. The device comprises an electronic control part and an air circuit control part. The electronic control part comprises an air compressor start and stop pressure switch, a general air pressure switch, a general air pressure sensor and a mean valve outlet end pressure sensor. The air circuit control part comprises a first general air cock, a general air filter, a general air pressure measurement joint, a one-way valve, an air spring end pressure regulating valve, an air spring end measurement joint,a second general air cock, a pneumatic control valve end pressure regulating valve, a pneumatic control valve end measurement joint, a pneumatic control valve, a mean valve outlet end measurement joint and a mean valve. The device is provided with the mean valve, a precondition is provided for arranging a pilot-operated type pneumatic control pressure reducing valve in a hydraulic braking controlunit, so that it is guaranteed that emergency braking force can correspond to the vehicle load, and the emergency braking decelerated speed is prevented from being too high; and an emergency brakingstandby protection circuit is designed, when the pressure of air springs is rapidly reduced, it can be guaranteed that the pressure output by the pilot-operated type pneumatic control pressure reducing valve during emergency braking meets the requirement for braking force, and effectiveness of emergency braking is guaranteed.

Description

technical field [0001] The invention relates to the technical field of braking systems for maglev trains, in particular to an auxiliary braking control device and method for maglev trains. Background technique [0002] The absence of an averaging valve setting in the auxiliary brake control unit makes it impossible to use a pilot-operated air-operated pressure reducing valve for the pressure reducing valve in the hydraulic brake control unit. During emergency braking, the braking force is the set value under full load and does not change with the change of the load. The braking force cannot correspond to the vehicle load. When the train is not fully loaded, excessive deceleration occurs during emergency braking, resulting in a large impact, poor passenger comfort, and certain damage to the train. Contents of the invention [0003] The object of the present invention is to overcome the deficiencies of the prior art and provide an auxiliary braking control device and method...

Claims

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Application Information

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IPC IPC(8): B61H11/00B60T13/12B60T13/68
CPCB60T13/12B60T13/683B60T13/686B61H11/00
Inventor 郭兴河蒋峰周伟程刘文亮肖洪光
Owner CHINA RAILWAY BAOJI BRIDGE GRP
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