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发明公开
CN107340076A 制动电阻的温度检测方法及温度检测系统 有权

制动电阻的温度检测方法及温度检测系统
摘要：
本发明实施例提供一种制动电阻的温度检测方法及温度检测系统，所述方法包括：获取采样时间间隔内所述制动电阻的吸收能量；根据所述吸收能量确定所述制动电阻在所述采样时间间隔内的温度升高值；根据所述制动电阻在上一采样时刻的温度、所述温度升高值、当前采样时刻的环境温度及所述采样时间间隔确定所述制动电阻在所述采样时间间隔内的温度降低值；根据所述制动电阻在所述上一采样时刻的温度、所述温度升高值以及所述温度降低值确定所述制动电阻在当前采样时刻的温度。实现对制动电阻的温度无接触测量，安全可靠性高。
摘要（英）：

The invention provides a brake resistor temperature detection method and temperature detection system. The brake resistor temperature detection method comprises steps of obtaining absorption energy of the brake resistor during a sampling time interval, determining a temperature increase value of the brake resistor during the sampling time interval according to the absorption energy, determining a temperature reduction value according to the temperature of the brake resistor at the last moment, a temperature increase value, environment temperature of a current sampling moment and the sampling time interval and determining the temperature of the brake resistor at the current sampling moment according to the temperature of the resistor at the last sampling moment, the temperature increase value and the temperature reduction value. The brake resistor temperature detection method and temperature detection system can realize contactless measurement and has high reliability.

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