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Braking force control method and device

A control method and braking force technology, applied in the direction of brakes, brake components, brake safety systems, etc., can solve problems such as poor pressure regulation accuracy, slow response to emergency braking, and difficult troubleshooting of solenoid valves, and achieve voltage regulation accuracy High, fast response time, precise effect of train braking control process

Active Publication Date: 2021-09-03
QINGDAO SRI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention proposes a braking force control method and device for the above-mentioned technical problems such as slow emergency braking response, poor pressure regulation accuracy, and difficult troubleshooting of solenoid valves.

Method used

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  • Braking force control method and device
  • Braking force control method and device

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Embodiment 1

[0058] figure 1 It is a schematic diagram of the steps of a braking force control method provided by the present invention. like figure 1 As shown, this embodiment discloses a specific implementation of a braking force control method (hereinafter referred to as "method").

[0059] Specifically, the method disclosed in this embodiment mainly includes the following steps:

[0060] Step S1: According to the pressure setting value, the actual value of the common pre-control pressure, the actual value of the emergency pre-control pressure and the pressure regulation accuracy, control the air filling, exhaust or maintenance of the common pre-control branch and the emergency pre-control branch in the pressure regulation module. adjust the common pre-control pressure and emergency pre-control pressure;

[0061] Wherein, step S1 specifically includes the following contents:

[0062] When the emergency valve is energized, according to the pressure set value, the actual value of the ...

Embodiment 2

[0074] In combination with the braking force control method disclosed in the first embodiment, this embodiment discloses a specific implementation example of a braking force control device (hereinafter referred to as "device").

[0075] The devices include:

[0076] Pre-control pressure adjustment unit: according to the pressure setting value, the actual value of the common pre-control pressure, the actual value of the emergency pre-control pressure and the pressure regulation accuracy, the air charging and exhaust of the common pre-control branch and the emergency pre-control branch in the pressure regulation module are controlled. Adjust the common pre-control pressure and emergency pre-control pressure by wind or pressure holding;

[0077] Impulse limiting unit: obtain the actual output force of the braking system according to the total demand force of train braking, train load and impulse rate;

[0078] Brake cylinder pressure conversion unit: convert the actual output fo...

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Abstract

The invention discloses a braking force control method and device. The method comprises the following steps: adjusting common pre-control pressure and emergency pre-control pressure according to a pressure set value, a common pre-control pressure actual value, an emergency pre-control pressure actual value and air charging, air exhausting or pressure maintaining of a common pre-control branch and an emergency pre-control branch in an adjustable pressure adjusting precision control pressure adjusting module; obtaining the actual output force of the braking system according to the train braking total demand force, the train load and the impulse rate; and converting the actual output force of the braking system into brake cylinder pressure according to the adjusted common pre-control pressure or emergency pre-control pressure, and then realizing urban rail train braking force control. According to the method, the impulse applied by the braking force can be adjusted through cooperation of the software program and the pressure adjusting module, and the comfort of passengers taking the urban rail train is guaranteed.

Description

technical field [0001] The invention relates to the technical field of train braking, in particular to a braking force control method and device. Background technique [0002] The brake control unit is the core component of the brake control system of urban rail trains. Its main function is to convert the brake commands issued by the driver's brake controller and the train control system into corresponding The pre-control pressure, and then control the relay valve to generate the control pressure of the brake cylinder, and control the basic brake device to apply and release the brake. However, the existing braking force control methods have disadvantages such as slow emergency braking response time, poor pressure regulation accuracy of the pressure regulation module, and difficult maintenance and troubleshooting of the solenoid valve. Contents of the invention [0003] The present invention proposes a braking force control method and device aiming at the above-mentioned t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/17B60T8/171B60T17/22
CPCB60T8/1705B60T8/171B60T17/228
Inventor 李臣赵庆刚安震李润华聂振华李龙古龙瑞张永生
Owner QINGDAO SRI TECH CO LTD
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