CN207624533U - A kind of multi cord loop construction for wireless charging - Google Patents
A kind of multi cord loop construction for wireless charging Download PDFInfo
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- CN207624533U CN207624533U CN201721714767.6U CN201721714767U CN207624533U CN 207624533 U CN207624533 U CN 207624533U CN 201721714767 U CN201721714767 U CN 201721714767U CN 207624533 U CN207624533 U CN 207624533U
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- coil body
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- conducting wire
- coil
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- 238000010276 construction Methods 0.000 title claims abstract description 13
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 13
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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Abstract
The utility model discloses a kind of multi cord loop constructions for wireless charging, it include the coil body made of the Wire-wound of several sections of parallel co-planars, the both ends of coil body are respectively equipped with pin, and the diameter for being located at the conducting wire on the outside of coil body is more than the diameter of conducting wire on its inside；The port at coil body both ends is the arc line shaped of congruence, and port is welded on pin.The benefit of the utility model is that the diameter of outboard wire is more than the diameter of inboard wire, due to its different diameter after turning to coil body, gap can be formed on the surface of coil body, to as heat exchange section, be conducive to the heat dissipation of coil body, reduce the Wen Sheng of coil body when in use, improves the efficiency of wireless charging；Coil body both ends are the arc line shaped of congruence, increase the heat dissipation area of cable port, are conducive to coil body heat dissipation, reduce the Wen Sheng of coil body；Port is arc line shaped, the convenient connection with pin, improves the structural strength being connect with pin.
Description
Technical field
The utility model is related to wireless charging technical field more particularly to a kind of multi cord coil knots for wireless charging
Structure.
Background technology
Currently, common low power wireless charger carries out energy coupling frequently with electromagnetic induction principle by coil
The characteristics of realizing the transmission of energy, not having to traditional charging power cord connection, due to thus increasingly by mobile phone, tablet electricity
The producers such as brain, smartwatch favor.The coiler part of its energy transmission will produce a large amount of losses due to there is the loss of resistance,
Efficiency of transmission is reduced, calorific value is increased.And coil be easy to cause the thermal expansion of coil during fever, and then influence coil
Inductance, influence charge efficiency, therefore how to improve coil performance is a critically important technical problem of wireless charging.
Application No. is CN205140666U in Chinese patent literature, authorized announcement date is on April 6th, 2016, the name of invention
Referred to as " a kind of Wireless charging coil ", this application discloses a kind of Wireless charging coil, including a metal sheet, the metals
Plate designs the metal except removal coil pattern according to coil pattern, forms the wire coil plate of a hollow out, wire coil
Plate surface is with oxidation resistant protective layer and on the position for connecting conductive component with electro-cladding, the metal wire
Girth sheets part forms coil finished product or cuts into single coil finished product.The utility model can be used in the limited product of thickness space
In environment, the shape for making coil, charge efficiency can be required high according to different spatial forms.Disadvantage is that wirelessly
Charge coil is molded using plate hollow out, and since coil monomer lacks support, in charging process, expanded by heating is easily reduced
Inductive fields influence charge efficiency.
Therefore, design that a kind of resistance is smaller, the loop construction that wireless charging efficiency is higher and temperature distortion amount is small just has very much
It is necessary.
Utility model content
The utility model to overcome the coil of existing wireless charging during wireless charging due to resistance and whirlpool
It flows effect heat production deformation or hardness declines, influence inductance and cause the deficiency of charge efficiency decline, provide a kind of for wireless
The multi cord loop construction of charging, it is intended to make loop construction stablize, temperature distortion amount is small, and charge efficiency is affected by temperature small.
To achieve the goals above, the utility model adopts the following technical solution.
A kind of multi cord loop construction for wireless charging includes made of the Wire-wound of several sections of parallel co-planars
The both ends of coil body, coil body are respectively equipped with pin, and the diameter for being located at the conducting wire on the outside of coil body is more than position in the inner
The diameter of the conducting wire of side；The port at coil body both ends is the arc line shaped of congruence, and port is welded on pin.
The diameter of outboard wire is more than the diameter of inboard wire, due to its different diameter after turning to coil body,
Gap can be formed on the surface of coil body, to as heat exchange section, be conducive to the heat dissipation of coil body, reduces coil body
Wen Sheng when in use improves the efficiency of wireless charging；Coil body both ends are the arc line shaped of congruence, increase cable port
Heat dissipation area is conducive to coil body heat dissipation, reduces the Wen Sheng of coil body；Port is arc line shaped, the convenient connection with pin,
Improve the structural strength being connect with pin；Coil body made of winding is located at the conductor length on the outside of it more than on its inside
Conducting wire length, the diameter that the diameter of outboard wire is more than inboard wire is conducive to balance the electric current between different conductor, make
The field homogeneity of coil body reduces magnetic field excitation, improves charge efficiency.
Preferably, the diameter of the conducting wire of coil body is directly proportional to the evolution of the length of corresponding lead.Due to conducting wire
Resistance is directly proportional to its length, is inversely proportional with its cross-sectional area, and the diameter of conducting wire is directly proportional to the evolution of its length can be true
The resistance for protecting each wire is equal, and port is welded on pin, forms parallel circuit, the voltage between conducting wire is equal, resistance
It may insure that the electric current of each wire is equal after equal, improve the uniformity of coil flux amount, improve the charging effect of coil body
Rate.
Preferably, the port arcs protrusion for being located at coil body outer end is located at towards the inside of conducting wire in coil body
For the port arcs protrusion at end towards the outside of conducting wire, the both ends line of same conducting wire is parallel with the both ends line of other conducting wires.Side
Just the heat dissipation for completing coil body both ends, is conducive to the connection of coil port and pin；Facilitate arrangement coil, is conducive to balanced line
The uniformity of the internal magnetic strength of circle.
Preferably, the pin at coil body both ends is located on the tangent line of the camber line of its place port in the outer part, two are drawn
Foot is parallel to each other, and the pin at coil body both ends is located at phase the same side of coil body.Since pin is located at coil body both ends
On tangent line in the outer part, center of the line of the port at coil body both ends Jing Guo coil body can be made, improve coil body
The uniformity of internal magnetic strength improves the efficiency of charging；The parallel installation for being conducive to pin of pin and the connection with external power cord.
Preferably, the surface of coil body is equipped with adhesive layer.Facilitate the installation and fixation of conducting wire, while conducting wire can be completed
Between insulation.
The utility model is beneficial in that：
1, the diameter of outboard wire is more than the diameter of inboard wire, is conducive to the heat dissipation of coil body, reduces coil body
Wen Sheng when in use improves the efficiency of wireless charging；
2, coil body both ends are the arc line shaped of congruence, increase the heat dissipation area of cable port, are conducive to coil body
Heat dissipation, reduces the Wen Sheng of coil body；
3, port is arc line shaped, and the convenient connection with pin improves the structural strength being connect with pin；
4, the electric current of each wire is equal, improves the uniformity of coil magnetic field, improves the charge efficiency of coil body.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic enlarged-scale view at the utility model A.
In figure：1 conducting wire of coil body, 101 port, 11 pin 2.
Specific implementation mode
The utility model is described further in the following with reference to the drawings and specific embodiments.
In Fig. 1 and Fig. 2, a kind of multi cord loop construction for wireless charging includes leading by several sections of parallel co-planars
Line 101 winds manufactured coil body 1, and the surface of coil body 1 is equipped with adhesive layer.Facilitate 1 inner lead 101 of coil body
It installs and fixed.In Fig. 2, coil body 1 is made of 4 section leads 101 winding.The both ends of coil body 1 are respectively equipped with pin 2,
Two pins 2 are parallel to each other, and the pin 2 at 1 both ends of coil body is located at phase the same side of coil body 1.The section of conducting wire 101 is
It is round.In Fig. 1 and Fig. 2, it can be seen that in especially Fig. 2：It is more than positioned at the diameter of the conducting wire 101 in 1 outside of coil body and is located at
The diameter of conducting wire 101 on the inside of it；The diameter of the conducting wire 101 of coil body 1 and the evolution of the length of corresponding lead 101 are at just
Than.The port 11 at 1 both ends of coil body is the arc line shaped of congruence, is located at the 11 camber line protrusion direction of port of 1 outer end of coil body
The inside of conducting wire 101 is located at the 11 camber line protrusion of port of 1 inner end of coil body towards the outside of conducting wire 101, same conducting wire 101
Both ends line it is parallel with the both ends line of other conducting wires 101.It welds on pin 2 port 11.The pin at 1 both ends of coil body
2 are located on the tangent line of the camber line of its place port 11 in the outer part.
The port 11 of existing coil is all linear, the parallel installation for being conducive to pin 2 of pin 2 and and external power cord
Connection, and when port 11 is linear, two pins 2 need to be staggered some positions for installing pin 2, and doing so can shadow
The uniformity of magnetic induction is rung, and the port 11 at the both ends of coil body 1 is arc line shaped, pin 2 is located at 1 both ends of coil body and leans on
On the tangent line in outside, center of the line of the port 11 at 1 both ends of coil body Jing Guo coil body 1 can be made, ensure magnetic field
Uniformity and integrality improve the efficiency of charging.
The diameter of outboard wire 101 is more than the diameter of inboard wire 101, due to its difference after turning to coil body 1
Diameter, can form gap on the surface of coil body 1, to as heat exchange section, be conducive to the heat dissipation of coil body 1, subtract
The Wen Sheng of small coil body 1 when in use, improves the efficiency of wireless charging；1 both ends of coil body are the arc line shaped of congruence, are increased
The heat dissipation area of 101 port 11 of conducting wire is conducive to the heat dissipation of coil body 1, reduces the Wen Sheng of coil body 1；Port 11 is arc
Linear, the convenient connection with pin 2 improves the structural strength being connect with pin 2.
Claims (5)
1. a kind of multi cord loop construction for wireless charging, characterized in that include by the coil of wire of several sections of parallel co-planars
The both ends of the coil body turned to, coil body are respectively equipped with pin, and the diameter of the conducting wire on the outside of coil body is more than
The diameter of conducting wire on its inside；The port at coil body both ends is the arc line shaped of congruence, and port is welded on pin.
2. a kind of multi cord loop construction for wireless charging according to claim 1, characterized in that the coil sheet
The diameter of the conducting wire of body is directly proportional to the evolution of the length of this root conducting wire.
3. a kind of multi cord loop construction for wireless charging according to claim 1 or 2, characterized in that institute's rheme
In coil body outer end port arcs protrusion towards the inside of conducting wire, be located at the port arcs protrusion direction of coil body inner end
The both ends line of the outside of conducting wire, same conducting wire is parallel with the both ends line of other conducting wires.
4. a kind of multi cord loop construction for wireless charging according to claim 1 or 2, characterized in that the line
Where the pin at circle ontology both ends is located at it on the tangent line of camber line of port in the outer part, two pins are parallel to each other, coil body
The pin at both ends is located at phase the same side of coil body.
5. a kind of multi cord loop construction for wireless charging according to claim 1 or 2, characterized in that the line
The surface for enclosing ontology is equipped with adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714767.6U CN207624533U (en) | 2017-12-11 | 2017-12-11 | A kind of multi cord loop construction for wireless charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714767.6U CN207624533U (en) | 2017-12-11 | 2017-12-11 | A kind of multi cord loop construction for wireless charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624533U true CN207624533U (en) | 2018-07-17 |
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ID=62823001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721714767.6U Active CN207624533U (en) | 2017-12-11 | 2017-12-11 | A kind of multi cord loop construction for wireless charging |
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| Country | Link |
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| CN (1) | CN207624533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-12-11 CN CN201721714767.6U patent/CN207624533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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