Protection circuit of charging device and charging device
The utility model discloses a protection circuit of a charging device and the charging device, and belongs to the technical field of electronics and electrics. The protection circuit comprises a first switch module which is used for providing a closing control signal for a control end of a first con...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a protection circuit of a charging device and the charging device, and belongs to the technical field of electronics and electrics. The protection circuit comprises a first switch module which is used for providing a closing control signal for a control end of a first contactor when a first switch control end receives a first opening signal; the second switch module is used for providing a closing control signal for the control end of the second contactor when receiving a second opening signal through a second switch control end; the logical operation module is used for providing a disconnection control signal for the control end of the bridging contactor when the first starting signal and the second starting signal are received; and when a third opening signal is received through the third switch control end, if the first opening signal and the second opening signal are not received at the same time, a closing control signal is provided for the control end of the bridging contacto |
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