Locomotive brake resistor monitoring temperature valuing method and acquisition device

A braking resistor and temperature monitoring technology, which is applied in electrical testing/monitoring, general control systems, control/regulation systems, etc., can solve the problems of temperature value difference and the inability to obtain the actual temperature of the braking resistor, etc., to prevent the temperature value The impact of changes, the convenience of intelligent analysis and judgment, and the effect of avoiding failures

Pending Publication Date: 2021-06-04
SHIDAI ELECTRIC FACTORY ZHUZHOU ELECTRIC LOCOMOTIVES INST MIN OF RAILWAYS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Through the analysis of the above patent documents, we found that these patents are all related to the control of braking resistors, and many of them are based on the research on temperature control, and some improved technical solutions have also been proposed, but these technical solutions still exist Some problems still haven’t solved the problem of not being able to obtain the actual temperature of the braking resistor. There are uncertain factors of temperature difference, which leads to many unexpected problems and failures in practical applications, so it is still necessary to do further work on this Research

Method used

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  • Locomotive brake resistor monitoring temperature valuing method and acquisition device
  • Locomotive brake resistor monitoring temperature valuing method and acquisition device
  • Locomotive brake resistor monitoring temperature valuing method and acquisition device

Examples

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Embodiment 1

[0037] The working principle of the locomotive braking resistor is attached figure 1 As shown; when the vehicle starts to brake with the braking resistor, the train will turn on the IGBT overvoltage chopping, and use the locomotive braking resistor to consume the regenerative energy of the IGBT chopping; and then use the fan to dissipate the heat of the locomotive braking resistor into the air; However, as the regenerative energy is dissipated on the braking resistor in the form of heat energy, the temperature of the resistor will gradually rise. It is necessary to monitor the braking resistor of the locomotive in real time to prevent the temperature of the braking resistor of the local locomotive from rising too fast, resulting in failure. Otherwise, it will seriously affect the safe operation of the vehicle traction system.

[0038] In order to obtain accurate braking resistor temperature, the present invention arranges temperature sensor 2 in the body of braking resistor el...

Embodiment 2

[0049] The principle of the second embodiment is basically the same as that of the first embodiment, except that the specific structure and processing method are different; a value-taking device for monitoring the temperature of the braking resistor of the locomotive. Install a temperature sensor on the meter, attach the temperature sensor to the body surface of the braking resistor, directly collect the temperature value on the surface of the braking resistor element, convert the collected temperature value into a temperature electrical signal, and send it to the The traction control unit (DCU) conducts intelligent identification and monitoring, and determines the status of the locomotive braking resistor through the intelligent identification of the traction control unit (DCU); once the temperature fault data information of the braking resistor element is found, it will alarm and troubleshoot to ensure The normal operation of the locomotive braking resistor.

[0050] The insta...

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PUM

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Abstract

According to the locomotive brake resistor monitoring temperature valuing method and the acquisition device, a temperature sensor is arranged in a brake resistor element body or on the surface of a locomotive brake resistor, the temperature value in the brake resistor element body or on the surface of the locomotive brake resistor is directly acquired, and the acquired temperature value is converted into a temperature electric signal, the information is sent to a traction control unit (DCU) through a CAN bus for intelligent identification, and the condition of a locomotive brake resistor is determined through intelligent identification of the traction control unit (DCU); once the temperature of the brake resistor element is abnormal, early warning is carried out; when out-of-range fault data information appears, alarming and fault processing are carried out, and normal operation of the locomotive brake resistor is guaranteed. The real temperature of the brake resistor can be accurately measured by directly collecting temperature data signals from the interior or the surface of the brake resistor element body, the influence of the environment is avoided, the operation safety of the locomotive brake resistor is effectively protected, and the device is suitable for popularization and application of various locomotive brake resistors.

Description

technical field [0001] The present invention relates to a method for monitoring the temperature of the components of the brake system of an electric locomotive, in particular to a method for obtaining a value for monitoring the temperature of a braking resistor of a locomotive and an acquisition device; the method for obtaining a value for monitoring the temperature of a braking resistor for a locomotive The acquisition device can accurately measure the real temperature of the braking resistor without being affected by the environment; it can effectively reduce the failure of the braking resistor of the locomotive; it belongs to the technical field of electric locomotive manufacturing. Background technique [0002] As high-speed locomotives are more and more widely used around the world, the operation safety of high-speed locomotives is also receiving more and more attention; among them, high-speed locomotives will frequently accelerate and decelerate during operation, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/0213
Inventor 肖宁张利生
Owner SHIDAI ELECTRIC FACTORY ZHUZHOU ELECTRIC LOCOMOTIVES INST MIN OF RAILWAYS
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