Current sensor unit and current detection circuit
The embodiment of the invention discloses a current sensor unit and a current detection circuit. The current sensor unit comprises a rectification module which is used for converting an alternating current into a pulsating direct current; a power supply conversion module which comprises an energy st...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The embodiment of the invention discloses a current sensor unit and a current detection circuit. The current sensor unit comprises a rectification module which is used for converting an alternating current into a pulsating direct current; a power supply conversion module which comprises an energy storage element and is used for storing energy for the energy storage element based on the pulsating direct current when working in a charging mode and generating a power supply current based on the voltage of the energy storage element; a mode switching module which is bypassed by the power supply conversion module when working in a charging mode, and bypasses the power conversion module when working in an energy release mode; a current sensor module which is used for detecting the pulsating direct current flowing back from the power supply conversion module or the mode switching module; and a control module which is used for obtaining electric energy from the power supply current, determining to work in a charging |
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