Patent ID: 11919421
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  G  Y | IPC B  H

Claim 3:
4. The heating pad control apparatus according to claim 1,
wherein the heating control circuit includes:
a first comparator configured to receive a first end voltage and a second end voltage of the main relay, respectively, and output a voltage comparison signal corresponding to a difference between the first end voltage and the second end voltage of the main relay;
a second comparator configured to output a temperature comparison signal corresponding to a result obtained by comparing sizes of the received measured temperature signal and the received reference temperature signal; and
a control signal output circuit configured to receive the voltage comparison signal and the temperature comparison signal and output a control signal corresponding to values of the voltage comparison signal and the temperature comparison signal.