The invention provides a new energy vehicle, a vehicle-mounted charging device, a temperature detection circuit and a temperature detection method, and the circuit comprises: a first temperature sensor which is used for acquiring a first analog quantity temperature signal of a positive electrode connection end; a second temperature sensor which is used for acquiring a second analog quantity temperature signal of the negative electrode connecting end; a third temperature sensor which is arranged in a shell of the vehicle-mounted charging device of the new energy vehicle and acquires an analog quantity temperature signal of the vehicle-mounted charging device of the new energy vehicle; an analog-to-digital conversion module which is used for correspondingly converting the first analog quantity temperature signal, the second analog quantity temperature signal and the analog quantity environment temperature signal into a first digital quantity temperature signal, a second digital quantity temperature signal and a digital quantity environment temperature signal; and a micro-control unit which is used for correcting the first digital quantity temperature signal and the second digital quantity temperature signal according to the digital quantity environment temperature signal. According to the embodiment of the invention, the accuracy of charging temperature detection of the vehicle-mounted charging device of the new energy vehicle can be improved.

    本说明书提供了一种新能源车、车载充电装置、温度检测电路及温度检测方法,该电路包括:第一温度传感器,采集正极连接端的第一模拟量温度信号;第二温度传感器,采集负极连接端的第二模拟量温度信号;第三温度传感器设于新能源车车载充电装置壳体内,采集新能源车车载充电装置的;模数转换模块,将第一模拟量温度信号、第二模拟量温度信号和模拟量环境温度信号对应转换为第一数字量温度信号、第二数字量温度信号和数字量环境温度信号;微控制单元,根据数字量环境温度信号对第一数字量温度信号和第二数字量温度信号进行校正。本说明书实施例可提高新能源车车载充电装置充电温度检测的准确性。


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    Title :

    New energy vehicle, vehicle-mounted charging device, temperature detection circuit and temperature detection method


    Additional title:

    新能源车、车载充电装置、温度检测电路及温度检测方法


    Contributors:
    WANG CHAO (author) / LI CHUNPENG (author)

    Publication date :

    2022-02-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01K MEASURING TEMPERATURE , Messen der Temperatur / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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