The invention provides a secure AND gate circuit and electronic equipment. The safety AND gate circuit comprises a first-stage circuit and a second-stage circuit, the first-stage circuit comprises a first optical coupler, a first switch module and a first transformer module; the second-stage circuit comprises a second optical coupler, a second switch module and a second transformer module; the voltage output end of the first optical coupler is connected with the first end of the first switch module, the second end of the first switch module is connected with the input end of the first transformer module, and the output end of the first transformer module is connected with the voltage input end of the second optical coupler; the voltage output end of the second optical coupler is connected with the first end of the second switch module, and the second end of the second switch module is connected with the input end of the second transformer module; the first-stage circuit is used for providing power supply voltage for the second-stage circuit under the condition that the first switch module is switched on; and the second-stage circuit is used for transmitting power through the second transformer module under the condition that the second switch module is switched on or switched off.
本发明提供一种安全与门电路和电子设备。该安全与门电路包括:第一级电路和第二级电路;第一级电路包括第一光耦合器、第一开关模块和第一变压器模块;第二级电路包括第二光耦合器、第二开关模块和第二变压器模块;第一光耦合器的电压输出端与第一开关模块的第一端连接,第一开关模块的第二端与第一变压器模块的输入端连接,第一变压器模块的输出端与第二光耦合器的电压输入端连接;第二光耦合器的电压输出端与第二开关模块的第一端连接,第二开关模块的第二端与第二变压器模块的输入端连接;第一级电路用于在第一开关模块导通的情况下给第二级电路提供电源电压;第二级电路用于在第二开关模块导通或截止的情况下均通过第二变压器模块传输功率。
Secure AND gate circuit and electronic equipment
安全与门电路和电子设备
2023-10-20
Patent
Electronic Resource
Chinese
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