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Magnetic track braking system and magnetic track braking control method

A technology of magnetic rail braking and control devices, which is applied in the direction of railway braking systems, braking components interacting with rails, transportation and packaging, and can solve problems such as reducing the safety integrity level of braking systems

Pending Publication Date: 2021-06-08
华伍轨道交通装备(上海)有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Control methods similar to the two are limited in high-reliability applications. For example, low-floor trams only apply magnetic track braking when applying safety braking (the highest level of emergency braking). Hardware conditioning circuits are applied in a manner that reduces the safety integrity level of the brake system

Method used

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  • Magnetic track braking system and magnetic track braking control method
  • Magnetic track braking system and magnetic track braking control method
  • Magnetic track braking system and magnetic track braking control method

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Embodiment Construction

[0022] The implementation of the present application will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects.

[0023] The present invention provides an embodiment of a magnetic rail braking system. In this embodiment, the magnetic rail braking system includes a power supply 10, a control device 20, and an electromagnet assembly. The electromagnet assembly includes an iron core part 11, an iron core part 11 The lower pole piece 12 and the coil group composed of multiple coils, and the power supply 10 supplies power to the electromagnet assembly and excites the coils, and the control device 20 controls the on-off of the power supply line.

[0024] figure 2 An embodiment of the electromagnet assembly provided by the present invention, coil group I3 includes coil I31, c...

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Abstract

The invention belongs to the technical field of rail transit vehicle braking, and discloses a magnetic track braking system and a magnetic track braking control method. The magnetic track braking system comprises a power supply, a control device and an electromagnet assembly. The electromagnet assembly comprises an iron core part, a pole shoe part below the iron core part and a coil group consisting of a plurality of groups of coils; the coils in the coil group are arranged in the length direction or the width direction of a rail, and adjacent coils are insulated and isolated; and the coils in the coil group are divided into a plurality of independent groups, and the control device independently controls the independent groups of coils and gradually increases or decreases the number of excitation coils, so that the magnetic force of the electromagnet assembly is gradually controlled. The electromagnet assembly of the magnetic track braking system is provided with a plurality of sets of electromagnetic coils which are independently controlled, and the magnetic gradient change of the electromagnet assembly is controlled by controlling the number of magnet exciting coils. When a local coil breaks down, other independent groups can still work normally, so that the whole magnetic track braking system is degraded for use.

Description

technical field [0001] The invention belongs to the technical field of rail transit vehicle braking, in particular to a magnetic rail braking system and a magnetic rail braking control method. Background technique [0002] The magnetic rail brake device is not limited by wheel-rail adhesion, and is independent of electro-pneumatic friction braking system and electro-hydraulic friction braking system. As an effective supplement to adhesion braking, it is available on high-speed trains, ordinary rolling stock and urban rail vehicles Successful application, especially on low-floor trams as a mandatory braking mode. [0003] Extending along the direction of the track, there are electromagnetic coils and horseshoe-shaped iron cores to form an electromagnet. The electromagnetic coil generates a magnetic voltage after being fed with direct current. The magnetic voltage generates magnetic flux in the iron core, and the magnetic flux forms a closed-loop magnetic circuit on the rail. ...

Claims

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Application Information

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IPC IPC(8): B61H7/08
CPCB61H7/08
Inventor 周汉国裴玉春汪澎唐院平陆雄
Owner 华伍轨道交通装备(上海)有限责任公司
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