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Energy Absorbing Resistors for Braking Systems of Electric Locomotives

A brake system and energy absorption technology, applied in the direction of electric brake system, resistors, resistor parts, etc., to achieve the effect of improving safety and reliability, small size, and reducing the risk of easy burning

Inactive Publication Date: 2015-09-02
西安东太电子陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems existing in the existing aluminum shell wirewound resistors, the purpose of the present invention is to provide a safe and reliable energy absorbing resistor that can not only absorb continuous energy, but also dissipate heat well when absorbing short-term high-current shocks

Method used

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  • Energy Absorbing Resistors for Braking Systems of Electric Locomotives
  • Energy Absorbing Resistors for Braking Systems of Electric Locomotives
  • Energy Absorbing Resistors for Braking Systems of Electric Locomotives

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Embodiment Construction

[0021] see figure 2 , an energy absorbing resistor used in the braking system of an electric locomotive, comprising an insulating sleeve 4 and a metal rod 1 therein, four ceramic resistance sheets 15 are worn on the outer circumference of the insulating sleeve, and two ceramic resistance pieces 15 are worn on the outer circumference of the insulating sleeve The end heat sink 12 and three intermediate heat sinks 14, wherein the end heat sinks are located at both ends of the insulating sleeve, and the middle heat sink is located at the middle outer circumference of the insulating sleeve between the two ends of the heat sink. Between the middle heat sinks, between the end heat sinks and the middle heat sinks are electrically connected through ceramic resistors 15, and the ceramic resistors are zinc oxide ceramic linear resistors. Both ends of the metal rod are provided with threads, and the two end radiators 12 and the three intermediate radiators 14 (including four zinc oxide c...

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Abstract

The invention discloses an energy absorption resistor for a power locomotive braking system. The energy absorption resistor comprises an insulating sleeve and a metal rod arranged in the insulating sleeve, and is characterized in that at least one zinc oxide ceramic linear resistor sheet penetrates through an outer periphery of the insulating sleeve, two end part radiators, or two end part radiators and at least one middle radiator further penetrate through the outer periphery of the insulating sleeve, wherein the end part radiators are arranged on outer peripheries of two ends of the insulating sleeve, and the middle radiator is arranged on the middle outer periphery of the insulating sleeve between the two end part radiators; the end part radiators, or the middle radiators as well as the end part radiators and the middle radiator are electrically connected through the zinc oxide ceramic linear resistor sheet; and a connection piece is arranged on two ends of the metal rod to longitudinally and tightly connect the two end part radiators, or the two end part radiators and the middle radiator.

Description

technical field [0001] The invention relates to a resistor, in particular to an energy absorbing resistor used in the braking system of a railway electric locomotive. Background technique [0002] At present, a large number of aluminum shell wirewound resistors ( figure 1 ), mainly as a high-power absorbing element or a dummy load. Its main structure is as follows: the resistance core body is spirally wound on the outer periphery of the insulating sleeve with a metal rod, and the two ends of the resistance wire are respectively connected to the outer cap, and a cylindrical aluminum shell is arranged between the outer cap and the longitudinal direction through the insulation isolation of the inner cap. The cavity between the aluminum shell and the radial direction of the resistance wire is filled with quartz sand; the two ends of the metal rod are provided with threads, and the two outer caps are longitudinally insulated and connected through gaskets and nuts. The current p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01C13/02H01C1/084B60L7/02
Inventor 陈亮陈存贝
Owner 西安东太电子陶瓷有限公司
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