CN109801778A - A kind of efficient wireless charging receiving coil - Google Patents

A kind of efficient wireless charging receiving coil Download PDF

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Publication number
CN109801778A
CN109801778A CN201910237923.1A CN201910237923A CN109801778A CN 109801778 A CN109801778 A CN 109801778A CN 201910237923 A CN201910237923 A CN 201910237923A CN 109801778 A CN109801778 A CN 109801778A
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CN
China
Prior art keywords
metal layer
group
wire winding
branches
wireless charging
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910237923.1A
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Chinese (zh)
Inventor
李修文
康来利
周昊平
郝天惠
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Shanghai Wanzi New Material Technology Co Ltd
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Shanghai Wanzi New Material Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Shanghai Wanzi New Material Technology Co Ltd filed Critical Shanghai Wanzi New Material Technology Co Ltd
Priority to CN201910237923.1A priority Critical patent/CN109801778A/en
Publication of CN109801778A publication Critical patent/CN109801778A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of efficient wireless charging receiving coils, including insulating layer, the first metal layer and second metal layer, the first metal layer and second metal layer are respectively arranged at insulating layer two sides, the first metal layer and second metal layer include wire winding and extend in the same direction the two group of branches coilings isolated by the wire winding, two group of branches coilings successively report to the leadship after accomplishing a task encirclement tiling arrangement and end it is mutually isolated, two group of branches coilings of the first metal layer and two group of branches coilings of second metal layer it is corresponding be electrically connected.The present invention can substantially reduce thickness by the way that coil is carried out tiling arrangement, meet the thickness regulation of wireless charging receiving device;In addition the two group of branches coilings separated are wound by the way of encirclement of successively reporting to the leadship after accomplishing a task, the vortex that a part of adjacent traces generate can be offset, optimized by cabling and reduces the resistance as caused by the factors such as vortex and adjacent traces interference loss, be conducive to improve wireless charging efficiency, reduce energy loss.

Description

A kind of efficient wireless charging receiving coil
Technical field
The present invention relates to wireless charging technical field, specially a kind of efficient wireless charging receiving coil.
Background technique
Coil is an important component in wireless charging receiving device, due to the thickness of various wireless charging receiving devices Regulation needs to propose very high requirement to coil therein;In addition consider that wireless charging receiving device is placed on emitter, There can be charging area well, energy maximum area reaches preferable receiving efficiency, need to reduce the alternating current of coil as far as possible Hinder bring consume.
Summary of the invention
The problem of for background technique, the present invention provides a kind of efficient wireless charging receiving coils.
To achieve the above object, the invention provides the following technical scheme: a kind of efficient wireless charging receiving coil, including it is exhausted Edge layer, the first metal layer and second metal layer, the first metal layer and the second metal layer are respectively arranged at the insulation Layer two sides, the first metal layer and the second metal layer include wire winding and are extended in the same direction point by the wire winding The two group of branches coilings separated out, branch's coiling described in two groups successively report to the leadship after accomplishing a task encirclement tiling arrangement and end it is mutually isolated, described the Two group of branches coilings of one metal layer and two group of branches coilings of the second metal layer it is corresponding electrical connection.
As a preferred technical solution of the present invention, the number of share of stock of the wire winding is even number.
As a preferred technical solution of the present invention, the number of share of stock of branch's coiling described in every group is the wire winding number of share of stock Half.
As a preferred technical solution of the present invention, two group of branches coilings of the first metal layer and second gold medal The two group of branches coilings for belonging to layer are electrically connected by the way that conductive pattern is corresponding.
As a preferred technical solution of the present invention, the number of share of stock of the wire winding of the first metal layer and described second The number of share of stock of the wire winding of metal layer is identical, and the conductive pattern number is identical as the number of share of stock of wire winding.
As a preferred technical solution of the present invention, the number of share of stock of the wire winding of the first metal layer and described second The number of share of stock of the wire winding of metal layer is different, and the conductive pattern number is identical as the number of share of stock of less wire winding.
Compared with prior art, the beneficial effects of the present invention are: the present invention can be big by the way that coil is carried out tiling arrangement It is big to reduce thickness, meet the thickness regulation of wireless charging receiving device;In addition by the two group of branches coilings separated use according to The mode of secondary encirclement of reporting to the leadship after accomplishing a task is wound, and the vortex that a part of adjacent traces generate can be offset, optimized by cabling reduce by The resistance caused by the factors such as vortex and adjacent traces interference loss is conducive to improve wireless charging efficiency, reduces energy loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first metal layer in embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the second metal layer in embodiment of the present invention 1.
Fig. 3 is the structural schematic diagram of the first metal layer in embodiment of the present invention 2.
Fig. 4 is the structural schematic diagram of the second metal layer in embodiment of the present invention 2.
Fig. 5 is the structural schematic diagram of the first metal layer in embodiment of the present invention 3.
Fig. 6 is the structural schematic diagram of the second metal layer in embodiment of the present invention 3.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
Fig. 1 and Fig. 2 are please referred to, a kind of efficient wireless charging receiving coil provided in the present embodiment includes the first metal layer 10, second metal layer 20 and an insulating layer 30, insulating layer 30 have opposite first surface 31, second surface 32.
Refering to Figure 1, the first metal layer 10 is arranged in the first surface 31 of insulating layer 30 comprising the first conducting wire around Group 13, first branch's coiling 11 and the second branch coiling 12, wherein the coiling 11 of the first branch and the second branch coiling 12 are from the The interior end of one wire winding 13 extends in the same direction, and the second branch coiling 12 is located in the ring of encirclement of the first branch coiling 11, The length of first branch coiling 11 is greater than the length of the second branch coiling 12, the coiling 11 of the first branch and the second branch coiling 12 Conducting wire number of share of stock is identical, is the half of the conducting wire number of share of stock of the first wire winding 13, and the coiling 11 of the first branch and the coiling of the second branch 12 space from end is opened.
The first metal layer 10 is additionally provided with the first lead-out wire 14 extended from 13 outer end of the first wire winding and and first lead Second lead-out wire 15 of 14 parallel arrangements.
Please refer to shown in Fig. 2, second metal layer 20 is arranged in the second surface 32 of insulating layer 30 comprising the second conducting wire around Group 23, the coiling 21 of third branch and the 4th branch's coiling 22, third branch coiling 21 and the 4th branch's coiling 22 are led from second The interior end of line winding group 23 extends in the same direction, and third branch coiling 21 is identical as the conducting wire number of share of stock of the 4th branch's coiling 22, is The half of the conducting wire number of share of stock of second wire winding 23, and the space from end of the coiling 21 of third branch, the 4th branch's coiling 22 is opened.
The interior end of third branch coiling 21 is connect by conductive pattern 40,41 with the interior end of the first branch coiling 11, The interior end of 4th branch's coiling 22 is connect by conductive pattern 42,43 with the interior end of the second branch coiling 12, promotes first Metal layer 10 is cascaded with second metal layer 20, and the outer end of the second wire winding 23 also passes through conductive pattern 45 and second Lead-out wire 15 is electrically connected.
Embodiment 2:
It please referring to shown in Fig. 3 to Fig. 4, remaining is same as Example 1, the difference is that: the first wire winding 11a Conducting wire with the second wire winding 21a is 6 strands, and each branch's coiling 12a, 13a, 22a, 23a are respectively 3 strands.First wire winding The space from end of the first branch coiling 12a and the second branch coiling 13a of 11a are opened, respectively by conductive pattern 40a, 41a, 42a, 43a, 44a, 45a etc. are connect with the third branch coiling 22a of the second coiling group 21a with the end of the 4th branch coiling 23a Together.
Embodiment 3:
It please refers to shown in Fig. 5 to Fig. 6, the conducting wire of the first wire winding 11b and the second wire winding 21b can be 8,10 strands Deng being incremented by with even number 2, each branch's coiling 12b, 13b, 22b, 23b can be 4,5 strands etc. respectively, be incremented by with odd number 1, and first leads The space from end of the first branch coiling 12b and the second branch coiling 13b of line winding group 11b are opened, respectively by conductive pattern 40b, 41b, 42b, 43b etc. are connected to the third branch coiling 22b of the second wire winding 21b and the end of the 4th branch coiling 23b Together, the quantity of conductive pattern and the first wire winding 11b are equal with the second wire winding 21b number of share of stock.
Embodiment 4:
There may also be the different situations of number of share of stock of the first wire winding 11b and the second wire winding 21b, separate at this time When the first branch coiling 12b out is connect with the second branch coiling 13b and third branch coiling 22b with the 4th branch coiling 23b, Conductive pattern quantity is identical as less wire winding number of share of stock, for example the number of share of stock of the first wire winding 11b is 4 strands, the second conducting wire The number of share of stock of winding 21b is 6 strands, at this time the first branch coiling 12b and the second branch coiling 13b and third branch coiling 22b and the When the coiling 23b connection of four branches, conductive pattern quantity is identical as the number of share of stock of less wire winding, i.e., and 4.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (6)

1. a kind of efficient wireless charging receiving coil, it is characterised in that: including insulating layer, the first metal layer and second metal layer, The first metal layer and the second metal layer are respectively arranged at the insulating layer two sides, the first metal layer and described the Two metal layers include wire winding and extend in the same direction the two group of branches coilings isolated by the wire winding, are divided described in two groups Branch coiling successively report to the leadship after accomplishing a task encirclement tiling arrangement and end it is mutually isolated, two group of branches coilings of the first metal layer and described the The corresponding electrical connection of two group of branches coilings of two metal layers.
2. a kind of efficient wireless charging receiving coil according to claim 1, it is characterised in that: the stock of the wire winding Number is even number.
3. a kind of efficient wireless charging receiving coil according to claim 2, it is characterised in that: branch's coiling described in every group Number of share of stock be the wire winding number of share of stock half.
4. a kind of efficient wireless charging receiving coil according to claim 3, it is characterised in that: the first metal layer Two group of branches coilings are electrically connected with two group of branches coilings of the second metal layer by the way that conductive pattern is corresponding.
5. a kind of efficient wireless charging receiving coil according to claim 4, it is characterised in that: the first metal layer The number of share of stock of wire winding is identical as the number of share of stock of the wire winding of the second metal layer, the conductive pattern number and wire winding Number of share of stock it is identical.
6. a kind of efficient wireless charging receiving coil according to claim 4, it is characterised in that: the first metal layer The number of share of stock of wire winding is different from the number of share of stock of the wire winding of the second metal layer, and the conductive pattern number is led with less The number of share of stock of line winding group is identical.
CN201910237923.1A 2019-03-27 2019-03-27 A kind of efficient wireless charging receiving coil Pending CN109801778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910237923.1A CN109801778A (en) 2019-03-27 2019-03-27 A kind of efficient wireless charging receiving coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910237923.1A CN109801778A (en) 2019-03-27 2019-03-27 A kind of efficient wireless charging receiving coil

Publications (1)

Publication Number Publication Date
CN109801778A true CN109801778A (en) 2019-05-24

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Country Status (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018082748A1 (en) * 2016-11-04 2018-05-11 Florian König Enterprises Gmbh Device for conditioning an electric direct current or alternating current circuit
CN108321914A (en) * 2017-11-20 2018-07-24 华为技术有限公司 A kind of coil and wireless charging receiver, with emitter and system
CN208522543U (en) * 2018-07-24 2019-02-19 昆山联滔电子有限公司 Wireless charging electric wire coil apparatus
CN109461571A (en) * 2018-12-17 2019-03-12 上海安费诺永亿通讯电子有限公司 Coil, wireless power transmitter, receiver, near-field communication device and electronic equipment
CN210575463U (en) * 2019-03-27 2020-05-19 上海万兹新材料科技有限公司 High-efficient wireless receiving coil that charges

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018082748A1 (en) * 2016-11-04 2018-05-11 Florian König Enterprises Gmbh Device for conditioning an electric direct current or alternating current circuit
CN108321914A (en) * 2017-11-20 2018-07-24 华为技术有限公司 A kind of coil and wireless charging receiver, with emitter and system
CN208522543U (en) * 2018-07-24 2019-02-19 昆山联滔电子有限公司 Wireless charging electric wire coil apparatus
CN109461571A (en) * 2018-12-17 2019-03-12 上海安费诺永亿通讯电子有限公司 Coil, wireless power transmitter, receiver, near-field communication device and electronic equipment
CN210575463U (en) * 2019-03-27 2020-05-19 上海万兹新材料科技有限公司 High-efficient wireless receiving coil that charges

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