Double-frequency induction wireless charging foreign matter detection circuit
The utility model discloses a double-frequency induction wireless charging foreign matter detection circuit, which is characterized in that a high-frequency foreign matter detection circuit is sequentially connected with a first three-phase rectifier bridge, a first full-bridge inverter and a transf...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a double-frequency induction wireless charging foreign matter detection circuit, which is characterized in that a high-frequency foreign matter detection circuit is sequentially connected with a first three-phase rectifier bridge, a first full-bridge inverter and a transformer, and the output end of the transformer is connected with a capacitor and a charging coil; theinput end of the second full-bridge inverter is connected to the output end of the second three-phase rectifier bridge, one path of the output end of the second full-bridge inverter is connected withone end of the first inductor, the other end of the first inductor is connected with one end of the second inductor, and the other end of the second inductor is connected between the capacitor and thecharging coil; one end of the capacitor is connected with the first inductor and the second inductor, and the other end of the capacitor is connected with the other path of the output end of the second full-bridge inverter; an |
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