The invention discloses an electromagnetic valve circuit with a fault diagnosis function and a diagnosis method. The electromagnetic valve circuit comprises an electromagnetic valve driving circuit, a feedback circuit and a diagnosis circuit. The output end of the electromagnetic valve driving circuit is connected with the input end of the feedback circuit and the input end of the diagnosis circuit, and the output end of the diagnosis circuit is connected with the input end of the electromagnetic valve driving circuit; a driving signal of an electromagnetic valve is input to the electromagnetic valve driving circuit, an output signal of the electromagnetic valve driving circuit is input to the feedback circuit and the diagnosis circuit, the feedback circuit outputs a current feedback signal, and the diagnosis circuit outputs a fault output signal. And the fault output signal is used as an input signal to be input to the electromagnetic valve driving circuit.
本发明公开了一种具有故障诊断的电磁阀电路及诊断方法,包括电磁阀驱动电路、反馈电路以及诊断电路;所述电磁阀驱动电路的输出端连接所述反馈电路以及所述诊断电路的输入端,所述诊断电路的输出端连接所述电磁阀驱动电路的输入端;电磁阀的驱动信号输入给所述电磁阀驱动电路,所述电磁阀驱动电路的输出信号分别输入给所述反馈电路和所述诊断电路,所述反馈电路输出电流反馈信号,所述诊断电路输出故障输出信号,所述故障输出信号作为输入信号输入给所述电磁阀驱动电路。
Solenoid valve circuit with fault diagnosis function and diagnosis method
具有故障诊断的电磁阀电路及诊断方法
2023-09-29
Patent
Electronic Resource
Chinese
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