CN208522543U - Wireless charging electric wire coil apparatus - Google Patents
Wireless charging electric wire coil apparatus Download PDFInfo
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- CN208522543U CN208522543U CN201821178002.XU CN201821178002U CN208522543U CN 208522543 U CN208522543 U CN 208522543U CN 201821178002 U CN201821178002 U CN 201821178002U CN 208522543 U CN208522543 U CN 208522543U
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- coiling
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- wireless charging
- charging electric
- coil apparatus
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Abstract
The utility model relates to a kind of wireless charging electric wire coil apparatus, it includes insulating layer, the first metal layer and second metal layer, the insulating layer has opposite first, second surface, the first metal layer is set to first surface, the second metal layer is set to second surface, the first metal layer include the first wire winding and extended in the same direction from the first wire winding first, the coiling of second branch, described first, the interior end of second branch coiling separates, it is electrically connected respectively by conductive pattern with second metal layer, the utility model wireless charging electric wire coil apparatus is by optimizing coil, reduce the resistance as caused by the factors such as vortex and skin depth, be conducive to improve wireless charging efficiency, reduce energy loss.
Description
Technical field
The utility model relates to a kind of wireless charging technical field more particularly to a kind of wireless charging electric wire coil apparatus.
Background technique
Coil is used for wireless charging electric wire coil apparatus, considers that wireless charging receiving device is placed on emitter, can have very
Good charging area, energy maximum area reach preferable receiving efficiency, optimize to coil, reduce due to the skin that is vortexed and becomes
Resistance caused by the factors such as depth.Due to the ultra thin requirements of various terminal equipment, slim coil device is needed, by winding,
Additional extraction pattern is not needed to connect contact point.
Utility model content
The purpose of this utility model is to provide a kind of wireless charging electric wire coil apparatus for improving wireless charging efficiency.
To realize foregoing purpose, the utility model adopts the following technical solution: a kind of wireless charging electric wire coil apparatus comprising
Insulating layer, the first metal layer and second metal layer, the insulating layer have the first, second opposite surface, first metal
Layer be set to first surface, the second metal layer be set to second surface, the first metal layer include the first wire winding and from
The first, second branch coiling that first wire winding extends in the same direction, the interior end of first, second branch coiling separate,
It is electrically connected respectively by conductive pattern with second metal layer.
The length of first branch coiling is greater than the length of the second branch coiling as a further improvement of the utility model,
Degree.
Second branch coiling is located at the ring of encirclement of the first offset as a further improvement of the utility model,
It is interior.
The conductor width of first, second branch coiling is led less than first as a further improvement of the utility model,
The conductor width of line winding group.
The conductor width of first, second branch coiling is the first conducting wire as a further improvement of the utility model,
The half of the conductor width of winding.
The second metal layer includes the second wire winding and from the second conducting wire as a further improvement of the utility model,
The third of extension, the 4th branch's coiling are led in end in winding, and the length of the 4th branch's coiling is greater than the length of third branch coiling
Degree.
Third branch coiling is located at the outside of the 4th branch's coiling as a further improvement of the utility model,.
As a further improvement of the utility model, described first, the interior end of third branch coiling passes through conductive pattern
It links together.
As a further improvement of the utility model, described second, the interior end of the 4th branch's coiling passes through conductive pattern
It links together.
The first metal layer further includes prolonging outward from the first wire winding as a further improvement of the utility model,
The first lead-out wire stretched and the second lead-out wire positioned at the first lead-out wire side, second wire winding by conductive pattern with
The connection of second lead-out wire.
The number of turns of the conductive coil of first, second wire winding is identical as a further improvement of the utility model,
Or it is different.
The conducting wire of first, second wire winding is 4 strands as a further improvement of the utility model, first, the
Two, third, the 4th branch's coiling are respectively 2 strands.
The conducting wire of first, second wire winding and first, second, as a further improvement of the utility model,
Three, the 4th branch coiling 11a, 12a, respectively 1 strand.
The interior end bending of second branch coiling extends the first branch as a further improvement of the utility model,
The interior end of the inside of coiling, the coiling of the first, second branch is aligned along the radial direction of the first wire winding；Third, the 4th point
The interior end of branch coiling is also aligned along the radial direction of the second wire winding.
The conducting wire of first, second wire winding is respectively set to 4 strands as a further improvement of the utility model,
The first, the coiling of third branch is respectively 1 strand, and the second, the 4th branch's coiling is respectively 3 strands, first, the width of third branch coiling
3 times.
The utility model wireless charging electric wire coil apparatus is reduced by optimizing to coil due to vortex and skin depth etc.
Resistance caused by factor is conducive to improve wireless charging efficiency, reduces energy loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the wireless charging electric wire coil apparatus upper surface in the utility model embodiment 1.
Fig. 2 is the structural schematic diagram of the wireless charging electric wire coil apparatus lower surface in the utility model embodiment 1.
Fig. 3 is the structural schematic diagram of the first metal layer in the utility model embodiment 2.
Fig. 4 is the structural schematic diagram of the second metal layer in the utility model embodiment 2.
Fig. 5 is the structural schematic diagram of the first metal layer in the utility model embodiment 3.
Fig. 6 is the structural schematic diagram of the second metal layer in the utility model embodiment 3.
Fig. 7 is the structural schematic diagram of the first metal layer in the utility model embodiment 4.
Fig. 8 is the structural schematic diagram of the second metal layer in the utility model embodiment 4.
Specific embodiment
Embodiment 1:
It please refers to shown in Fig. 1 to Fig. 2, the utility model wireless charging electric wire coil apparatus includes an insulating layer 30, the first metal
Layer 10 and second metal layer 20.
Insulating layer 30 has the first, second opposite surface 31,32.
Refering to Figure 1, the first metal layer 10 is arranged in 30 first surface 31 of insulating layer comprising the first wire winding
13, the coiling 11 of the first branch and the second branch coiling 12, the first, second branch coiling 11,12 are from the first wire winding 13
Interior end extends in the same direction, and the first, second branch coiling 11,12 is located in the ring of encirclement of the first wire winding 11, and second point
Branch coiling 12 is located in the ring of encirclement of the first branch coiling 11, and the length of the first branch coiling 11 is greater than the second branch coiling 12
Length, it is the conducting wire of the first wire winding 11 that the first branch coiling 11 and the conductor width of the second branch coiling 12 are essentially identical
The half of width.The interior space from end of first, second branch coiling 11,12 is opened, and passes through conductive pattern 110,120 and second respectively
Metal layer 20 is electrically connected.
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.
It please refers to shown in Fig. 2, second metal layer 20 is arranged in 30 second surface 32 of insulating layer comprising the second wire winding
23, the coiling 21 of third branch and the 4th branch's coiling 22, third, the 4th branch's coiling 21,22 are from the second wire winding 23
Interior end extends in the same direction, and third, the 4th branch's coiling 21,22 are located in the ring of encirclement of the second wire winding 21, and the 4th point
Branch coiling 22 is located at the inside of third branch coiling 21, and the length of the 4th branch's coiling 22 is greater than the length of third branch coiling 21
Degree, third branch coiling 21 is essentially identical with the conductor width of the 4th branch's coiling 22, is that the conducting wire of the second wire winding 23 is wide
The half of degree.
Third, the 4th branch's coiling 21,22 interior space from end open, but the interior end of third branch coiling 21 passes through conduction
Pattern 110 is connect with the interior end of the first branch coiling 11, and the interior end of the 4th branch's coiling 22 passes through conductive pattern 120 and the
The interior end of two branches coiling 12 connects, and the first, second metal layer 10,20 is promoted to be cascaded, the second wire winding 23
Outer end also passes through conductive pattern 230 and is electrically connected with the second lead-out wire 15.
The number of turns of the conductive coil of first, second wire winding 13,23 can be identical or different, the number of share of stock of any circle conducting wire
It can be identical or different.The conducting wire of first, second wire winding 13,23 is 4 strands, and each branch's coiling 11,12,21,22 is respectively 2
Stock.
The utility model wireless charging electric wire coil apparatus is reduced by optimizing to coil due to vortex and skin depth etc.
Resistance caused by factor is conducive to improve wireless charging efficiency, reduces energy loss.
Embodiment 2:
It please refers to shown in Fig. 3 to Fig. 4, in first, second metal layer 10a, 20a, the first, second wire winding 13a, 23a
Conducting wire and each branch's coiling 11a, 12a, 21a, 22a be respectively 1 strand.
Embodiment 3:
It please refers to shown in Fig. 5 to Fig. 6, in the first, second metal layer 10b, the interior end of the second branch coiling 12b is bent
Extend the inside of the first branch coiling 11b, meanwhile, the interior end of first, second branch coiling 11b, 12b along the first conducting wire around
The radial direction alignment of group 13b.Third, the 4th branch coiling 21b, 22b interior end also along the radius of the second wire winding 23b
Direction alignment.
Embodiment 4:
It please refers to shown in Fig. 5 to Fig. 6, in first, second metal layer 10c, 20c, the first, second wire winding 13c, 23c
Conducting wire be respectively set to 4 strands, first, third branch coiling 11c, 21c be respectively 1 strand, the second, the 4th branch coiling 12c,
22c is respectively 3 strands, and is 3 times of width of first, third branch coiling 11c, 21c.
Claims (15)
1. a kind of wireless charging electric wire coil apparatus comprising insulating layer, the first metal layer and second metal layer, the insulating layer have
The first, second opposite surface, the first metal layer are set to first surface, and the second metal layer is set to second surface,
Be characterized in that: the first metal layer includes the first wire winding and extend in the same direction from the first wire winding first, second point
The interior end of branch coiling, first, second branch coiling separates, and is electrically connected respectively by conductive pattern and second metal layer
It connects.
2. wireless charging electric wire coil apparatus according to claim 1, it is characterised in that: the length of first branch coiling is big
In the length of the second branch coiling.
3. wireless charging electric wire coil apparatus according to claim 1, it is characterised in that: second branch coiling is located at first
In the ring of encirclement of offset.
4. wireless charging electric wire coil apparatus according to claim 1, it is characterised in that: first, second branch coiling
Conductor width of the conductor width less than the first wire winding.
5. wireless charging electric wire coil apparatus according to claim 1, it is characterised in that: first, second branch coiling
Conductor width is the half of the conductor width of the first wire winding.
6. wireless charging electric wire coil apparatus according to claim 1, it is characterised in that: the second metal layer is led including second
The line winding group and third of extension, the 4th branch's coiling are led in end out of second wire winding, the length of the 4th branch's coiling is big
In the length of third branch coiling.
7. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: third branch coiling is located at the 4th
The outside of branch's coiling.
8. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: described first, third branch coiling
Interior end is linked together by conductive pattern.
9. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: described second, the 4th branch's coiling
Interior end is linked together by conductive pattern.
10. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: the first metal layer further include from
The first lead-out wire that first wire winding extends outward and the second lead-out wire positioned at the first lead-out wire side, described second leads
Line winding group is connect by conductive pattern with the second lead-out wire.
11. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: first, second wire winding
The number of turns of conductive coil is identical or different.
12. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: first, second wire winding
Conducting wire is 4 strands, and the coiling of the first, second, third, fourth branch is respectively 2 strands.
13. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: first, second wire winding
It conducting wire and first, second, third, fourth branch coiling 11a, 12a, is respectively 1 strand.
14. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: the interior end of second branch coiling
End bending extends the inside of the first branch coiling, the radius of the interior end of the first, second branch coiling along the first wire winding
Direction alignment；Third, the 4th branch's coiling interior end also along the second wire winding radial direction be aligned.
15. wireless charging electric wire coil apparatus according to claim 6, it is characterised in that: first, second wire winding
Conducting wire is respectively set to 4 strands, first, the coiling of third branch be respectively 1 strand, the second, the 4th branch's coiling is respectively 3 strands, first,
3 times of the width of third branch coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821178002.XU CN208522543U (en) | 2018-07-24 | 2018-07-24 | Wireless charging electric wire coil apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821178002.XU CN208522543U (en) | 2018-07-24 | 2018-07-24 | Wireless charging electric wire coil apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522543U true CN208522543U (en) | 2019-02-19 |
Family
ID=65334648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821178002.XU Active CN208522543U (en) | 2018-07-24 | 2018-07-24 | Wireless charging electric wire coil apparatus |
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| CN (1) | CN208522543U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801778A (en) * | 2019-03-27 | 2019-05-24 | 上海万兹新材料科技有限公司 | A kind of efficient wireless charging receiving coil |
| CN112002540A (en) * | 2020-07-07 | 2020-11-27 | 瑞声新能源发展(常州)有限公司科教城分公司 | Coil and wireless charging device |
| CN112185659A (en) * | 2020-09-11 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Coil and wireless charging device |
| CN112185660A (en) * | 2020-09-11 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Coil and wireless charging device |
| WO2022052183A1 (en) * | 2020-09-11 | 2022-03-17 | 瑞声声学科技(深圳)有限公司 | Coil and wireless charging device |
| US11437848B2 (en) | 2017-04-07 | 2022-09-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless charging device, device to-be-charged, and method for controlling charging |
-
2018
- 2018-07-24 CN CN201821178002.XU patent/CN208522543U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11437848B2 (en) | 2017-04-07 | 2022-09-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless charging device, device to-be-charged, and method for controlling charging |
| CN109801778A (en) * | 2019-03-27 | 2019-05-24 | 上海万兹新材料科技有限公司 | A kind of efficient wireless charging receiving coil |
| CN112002540A (en) * | 2020-07-07 | 2020-11-27 | 瑞声新能源发展(常州)有限公司科教城分公司 | Coil and wireless charging device |
| CN112185659A (en) * | 2020-09-11 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Coil and wireless charging device |
| CN112185660A (en) * | 2020-09-11 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Coil and wireless charging device |
| WO2022052183A1 (en) * | 2020-09-11 | 2022-03-17 | 瑞声声学科技(深圳)有限公司 | Coil and wireless charging device |
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