MAGNETIC RESONANCE TYPE WIRELESS CHARGING CIRCUIT
First Claim
1. A magnetic resonance type wireless charging circuit, comprising:
- a high frequency oscillation circuit configured to generate an initial oscillation signal; and
a driving circuit connected to the high frequency oscillation circuit and configured to generate a transmission signal using the initial oscillation signal,wherein the driving circuit comprises one stage of driving sub-circuit, and the driving sub-circuit comprises a frequency doubling circuit and a first frequency selection circuit, which are connected in series.
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Accused Products
Abstract
The present disclosure provides a magnetic resonance type wireless charging circuit, and belongs to the field of wireless charging technology. The magnetic resonance type wireless charging circuit comprises: a high frequency oscillation circuit configured to generate an initial oscillation signal; and a driving circuit configured to generate a transmission signal using the initial oscillation signal; wherein the driving circuit comprises one stage of driving sub-circuit or n stages of driving sub-circuits with (n−1) stages of Direct Current (DC) blocking circuits serially connected thereamong in an alternate manner, where n≧2 and n is an integer, and each stage of driving sub-circuit comprises a frequency doubling circuit and a first frequency selection circuit which are connected in series. In the present disclosure, the frequency of the initial oscillation signal generated by the high frequency oscillation circuit is doubled, so as to increase the frequency of the transmission signal and ensure a transmission distance of the transmission signal, thereby ensuring the effects of wireless charging. When the frequency of the transmission signal is required to reach a certain value, the requirements for switch transistors are reduced, and a wireless charging circuit with good effects can be achieved by using cheap switch transistors, thereby reducing production cost of the wireless charging circuit.
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Citations
24 Claims
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1. A magnetic resonance type wireless charging circuit, comprising:
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a high frequency oscillation circuit configured to generate an initial oscillation signal; and a driving circuit connected to the high frequency oscillation circuit and configured to generate a transmission signal using the initial oscillation signal, wherein the driving circuit comprises one stage of driving sub-circuit, and the driving sub-circuit comprises a frequency doubling circuit and a first frequency selection circuit, which are connected in series. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A magnetic resonance type wireless charging circuit, comprising:
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a high frequency oscillation circuit configured to generate an initial oscillation signal; and a driving circuit connected to the high frequency oscillation circuit and configured to generate a transmission signal using the initial oscillation signal, wherein the driving circuit comprises n stages of driving sub-circuits with (n−
1) stages of Direct Current (DC) blocking circuits serially connected thereamong in an alternate manner, where n≧
2 and n is an integer, and the driving sub-circuit comprises a frequency doubling circuit and a first frequency selection circuit, which are connected in series. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification