wireless charging device
A technology of wireless charging equipment and external electronic equipment, applied in the direction of data exchange chargers, current collectors, electric vehicles, etc., can solve the problems of inability to charge external electronic equipment, reduced user experience, poor portability, etc., to improve user experience and portability Sexuality, the effect of expanding the scope of application
Active Publication Date: 2018-08-10
LENOVO (BEIJING) LTD
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- Claims
- Application Information
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Problems solved by technology
Therefore, external electronic devices that support other wireless charging protocols cannot be charged through a wireless charging device that only supports a specific wireless charging protocol.
[0004] In the case that the user has multiple external electronic devices that support different wireless charging protocols, it is necessary to prepare wireless charging devices for different wireless charging protocols, the user experience is reduced, and the portability is poor
Method used
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[0014] Embodiments of the present invention will be described below with reference to the drawings. The following description with reference to the accompanying drawings is provided to assist understanding of example embodiments of the invention as defined by the claims and their equivalents. It includes various specific details to aid in understanding but they are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, detailed descriptions of functions and constructions well-known in the art will be omitted to make the description clearer and more concise.
[0015] refer to figure 1 A wireless charging device according to an embodiment of the present invention will be described. figure 1 It is a functional block diagram showing a wireless charging device according to an embodimen...
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The invention provides a wireless charging device, which is compatible with two different wireless charging protocols, and can charge external electronic devices supporting any one of the two wireless charging protocols. The wireless charging device according to the embodiment of the present invention includes: a first transmitting unit including a first output coil, the first transmitting unit is configured to generate a magnetic field through the first output coil in a first charging protocol; a second transmitting unit, including a second output coil, the second transmitting unit is configured to generate a magnetic field through the second output coil with a second charging protocol; a shielding body is arranged between the first output coil and the second output coil, configured to close a loop on the magnetic field generated by the first output coil and the magnetic field generated by the second output coil.
Description
technical field [0001] The present invention relates to a wireless charging device, in particular to a wireless charging device charging by electromagnetic induction. Background technique [0002] A wireless charging device can wirelessly charge an external electronic device by means of electromagnetic induction. Specifically, the wireless charging device generates a magnetic field through the output coil, and the external electronic device induces the magnetic field through the receiving coil to generate a charging current, thereby realizing the wireless charging function. [0003] In the wireless charging technology, there are various wireless charging protocols (for example, Qi protocol, A4WP protocol, etc.). The wireless charging device only supports a specific wireless charging protocol, and thus can only charge external electronic devices that support the specific wireless charging protocol. Therefore, external electronic devices that support other wireless charging ...
Claims
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IPC IPC(8): H02J50/12H02J50/40H02J7/00
CPCH02J50/10H02J50/70H02J50/90H02J50/005H02J7/00034H04B5/79H02J7/0013H02J7/0042H02J7/00
Inventor 王婷婷
Owner LENOVO (BEIJING) LTD