The embodiment of the invention provides a quick charging gun charging socket temperature sensing detection circuit and a quick charging gun charging socket, and belongs to the field of vehicle charging. The detection circuit comprises a temperature sensing resistor to be detected, and one end of the temperature sensing resistor to be detected is grounded; one end of the pull-up resistor is connected with the other end of the temperature sensing resistor to be measured, and the other end of the pull-up resistor is connected with a pull-up power supply; the controllable switching power supply module is connected between the pull-up resistor and a pull-up power supply, and can close or open a circuit where the controllable switching power supply module is located according to whether the vehicle is charged or not; an ADC pull-up power supply, wherein the ADC pull-up power supply is connected to one end of the pull-up resistor; and the ADC acquisition module is connected between one end of the pull-up resistor and the pull-up power supply. According to the detection circuit, the influence of offset between the pull-up power supply and the power supply can be avoided, and the resistance value of the temperature sensing resistor of the charging socket of the charging gun can be obtained.
本发明实施例提供一种快充枪充电插座温感的检测电路和快充枪充电插座,属于车辆充电领域。所述检测电路包括:温感待测电阻,所述温感待测电阻的一端接地;上拉电阻,所述上拉电阻的一端与所述温感待测电阻的另一端连接,所述上拉电阻的另一端连接上拉电源;可控开关电源模块,所述可控开关电源模块连接在所述上拉电阻和上拉电源之间,并能够根据车辆充电与否闭合或者断开所述可控开关电源模块所在的电路;ADC上拉电源,所述ADC上拉电源连接于所述上拉电阻的一端;ADC采集模块,连接在所述上拉电阻的一端和所述上拉电源之间。该检测电路可以避免上拉电源和供电电源之间产生偏移的影响,并能够得到充电枪充电插座的温感电阻的阻值。
Rapid charging gun charging socket temperature sensing detection circuit and rapid charging gun charging socket
一种快充枪充电插座温感的检测电路和快充枪充电插座
14.04.2023
Patent
Elektronische Ressource
Chinesisch
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