Wireless charging coil and charging equipment
A wireless charging and coil technology, applied in circuit devices, electrical components, etc., can solve the problems affecting the efficiency of the wireless charging system, reducing the coil coupling coefficient, and inapplicable wiring, etc., to achieve the effect of improving the wireless charging efficiency and the coupling coefficient.
Active Publication Date: 2021-04-30
SHANGHAI AMPHENOL AIRWAVE COMM ELECTRONICS CO LTD
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Problems solved by technology
However, the transmitting coil of the wireless charging transmitter stand is often a large circular coil, which is not suitable for wiring in a narrow space
If other non-circular coils are used, due to the inconsistency in the shape of the transceiver coil and the shape of the transceiver coil, especially the inconsistency of the inner and outer diameters, the coupling coefficient between the coils will decrease, thereby affecting the efficiency of the wireless charging system
Method used
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[0023] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0024] figure 1 It is a schematic diagram of the first-layer wiring structure of the wireless charging coil provided by the embodiment of the present invention; figure 2 It is a schematic diagram of the second-layer wiring structure of the wireless charging coil provided by the embodiment of the present invention. see figure 1 , figure 2 , the wireless charging coil in this embodiment includes: a first coil and a second coil composed of a plurality of parallel wires, the first coil and the second c...
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The invention provides a wireless charging coil and charging equipment, and the wireless charging coil comprises a first coil and a second coil which are formed by a plurality of strands of parallel wires, the first coil and the second coil respectively comprise a long-side wire (1) and a short-side wire (2), and the number of strands of the long-side wire (1) is different from the number of strands of the short-side wire (2). The coil structure can meet the requirement for coil wiring in a long and narrow space, and a receiving coil is made to be matched with the inner diameter and the outer diameter of a transmitting coil as much as possible, therefore the coupling coefficient between the coils is effectively increased, and the wireless charging efficiency is improved.
Description
technical field [0001] The present invention relates to the technical field of wireless charging, in particular to a wireless charging coil and charging equipment. Background technique [0002] With the development of the wireless charging technology, more and more terminal devices begin to apply the wireless charging technology. Wireless charging technology originates from wireless power transmission, which can avoid the direct connection between electrical equipment and charging equipment. It has the characteristics of flexibility, safety, and reliability. A great addition to the Power Mode. Wireless charging technology mainly uses electromagnetic near-field induction, magnetic field resonance and microwave energy transmission to transmit electric energy in a non-contact manner. At present, the Qi standard represented by electromagnetic near-field induction is the current mainstream wireless charging technology. The coils at the transmitting end and the receiving end are...
Claims
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IPC IPC(8): H02J50/10
CPCH02J50/10
Inventor 何大伟袁媛
Owner SHANGHAI AMPHENOL AIRWAVE COMM ELECTRONICS CO LTD