Wireless charging device of mobile device and transmitting end thereof
A wireless charging and mobile device technology, applied in the direction of circuit devices, electrical components, etc., can solve the problems of reducing charging efficiency and inability to realize long-distance charging, so as to reduce energy loss, realize long-distance wireless charging, and improve quality factor Effect
Active Publication Date: 2018-11-23
TIME VARYING TRANSMISSION CO LTD
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- Application Information
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Problems solved by technology
[0003] However, the strength of this coil coupling decays rapidly as the distance between the transmitting coil (transmitting end) and the receiving coil (receiving end) increases, which greatly reduces the charging efficiency and cannot achieve effective long-distance charging
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Embodiment Construction
[0029] Embodiments of the present invention provide a wireless charging device for a mobile device and a transmitting end thereof, which can effectively realize long-distance wireless charging.
[0030] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0031] see Figure 1 to Figure 3 , an embodiment of the transmitting end of a mobile device wireless charging device provided by the present in...
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The invention provides a wireless charging device of a mobile device and a transmitting end thereof. The transmitting end comprises: a magnetic pendulum, an excitation coil and a base; the magnetic pendulum and the excitation coil are mounted on the base, and the magnetic pendulum is disposed in the cavity of the excitation coil. The magnetic pendulum comprises: a first magnet module, a pluralityof identical strip magnets, a plurality of connecting shafts and a plurality of second magnet modules; the plurality of strip magnets are arranged side by side on the base, the opposite magnetic polesbetween two adjacent strip magnets attract each other; the two ends of each strip magnet are movably connected to the base through a connecting shaft, and a second magnet module is mounted on the connecting shaft; the first magnet module is disposed on the base and opposite to each of the second magnet modules, the first magnet module and the opposite magnetic poles of the each second magnet modules repel each other; when the excitation coil is energized, the strip magnets swing back and forth around the central axis. The wireless charging device of a mobile device and the transmitting end can effectively realize long-distance wireless charging.
Description
technical field [0001] The present invention relates to the technical field of wireless charging, in particular to a wireless charging device for a mobile device and a transmitting end thereof. Background technique [0002] With the popularization of mobile devices, people begin to demand a convenient and quick way to charge the devices. There are already a variety of technologies that can realize wireless charging, and considering the practicality of the technology, the energy transfer efficiency is the most critical indicator. The more mainstream way is to use the electromagnetic coupling between the transmitter coil of the charger and the receiver coil of the charged device to transfer energy. [0003] However, the strength of this coil coupling decays rapidly as the distance between the transmitting coil (transmitting end) and the receiving coil (receiving end) increases, which greatly reduces the charging efficiency and cannot achieve effective long-distance charging. ...
Claims
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IPC IPC(8): H02J50/10
CPCH02J50/10
Inventor 朱睿刘耿烨李跃星
Owner TIME VARYING TRANSMISSION CO LTD