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Preparation method of charging coil, charging module of terminal equipment and terminal equipment

A charging coil and charging module technology, which is applied in coil manufacturing, transformer/inductor coil/winding/connection, transformer/inductor parts, etc., can solve the problem of low charging efficiency of terminal equipment and low utilization rate of charging coil board surface and other problems, to achieve the effect of improving the utilization rate of the board surface and improving the charging efficiency

Active Publication Date: 2022-02-01
VIVO MOBILE COMM CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] The charging coil of the terminal equipment is usually a solenoid structure prepared by FPC (Flexible Printed Circuit, flexible circuit board). When preparing the charging coil, in order to ensure the manufacturability of the circuit, a certain gap needs to be reserved between adjacent circuits. As a result, the board surface utilization rate of the formed charging coil is low, resulting in low charging efficiency of the terminal equipment

Method used

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  • Preparation method of charging coil, charging module of terminal equipment and terminal equipment
  • Preparation method of charging coil, charging module of terminal equipment and terminal equipment
  • Preparation method of charging coil, charging module of terminal equipment and terminal equipment

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Embodiment Construction

[0028] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. 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.

[0029] The technical solutions disclosed by various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] Such as Figure 1-Figure 7 As shown, the embodiment of the present invention discloses a method for preparing a charging coil. The charging coil may specifically be a wireless charging c...

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Abstract

The invention discloses a preparation method of a charging coil, a charging module of a terminal device, and a terminal device. The preparation method includes the following steps: preparing a coil main body; preparing an insulating layer in the gap between the lines of the coil main body; A conductive coil is prepared in the gap of the insulating layer, so that the insulating layer is located between the coil main body and the conductive coil. The conductive coil can make full use of the gap between the lines of the coil main body, and the coil main body and the conductive coil jointly play the role of the coil, so that the utilization rate of the board surface of the charging coil is improved, and its charging efficiency is improved accordingly.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a preparation method of a charging coil, a charging module of a terminal device, and a terminal device. Background technique [0002] With the escalating needs of users, wireless charging technology has received more and more attention. In order to realize wireless charging, the structure of the terminal device needs to be optimized. [0003] At present, the mainstream wireless charging technology works as follows: [0004] The charging base (transmitter) and the terminal device (receiver) have built-in charging coils respectively, wherein the charging coil of the charging base is the transmitting coil, and the charging coil of the terminal device is the receiving coil. The transmitting coil passes through a certain frequency of alternating current, which generates an alternating magnetic field through electromagnetic induction. After the terminal device is placed on the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F27/28H01F27/32H01F38/14H01F41/04H01F41/12H02J50/10
CPCH02J50/10H01F27/2804H01F27/323H01F38/14H01F41/041H01F41/122
Inventor 陈嫚殷向兵谢长虹
Owner VIVO MOBILE COMM CO LTD
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