CN104104123B - A kind of wireless charging shell and a kind of method of mobile phone wireless charging - Google Patents
A kind of wireless charging shell and a kind of method of mobile phone wireless charging Download PDFInfo
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- CN104104123B CN104104123B CN201310128803.0A CN201310128803A CN104104123B CN 104104123 B CN104104123 B CN 104104123B CN 201310128803 A CN201310128803 A CN 201310128803A CN 104104123 B CN104104123 B CN 104104123B
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- Prior art keywords
- wireless charging
- thermally conductive
- conductive sheet
- circuit board
- shaped thermally
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a kind of wireless charging shell, including outer cover body, outer cover body medial surface is equipped with charging assembly, connection component and U-shaped thermally conductive sheet；Charging assembly includes circuit board, charge coil and excitation magnetic sheet assembly, and chip is integrated with circuit board；One end of connection component and the circuit board electrical connection of charging assembly, the other end are used to be connected with charging equipment；U-shaped thermally conductive sheet includes Part I, Part II and the Part III of integrative-structure；Charging assembly is located between the Part I and Part II of U-shaped thermally conductive sheet, and Part I contacts with chip, and Part II contacts with the medial surface of outer cover body.Present invention also offers a kind of method of mobile phone wireless charging.Wireless charging shell provided by the invention, after-heat caused by chip can be effectively transferred on outer cover body and be discharged by U-shaped thermally conductive sheet, prevent internal heat from assembling, so as to ensure high recharge efficiency, improve equipment charge security performance.
Description
Technical field
The invention belongs to electronic equipment charging field, more particularly to a kind of wireless charging shell and a kind of charging of mobile phone wireless
Method.
Background technology
Nowadays, the electronic product that everyone possesses is numerous, therefore chooses conjunction from the charger and charging wire rod of a pile
Suitable charger and wire rod and it charging is frequently carried out to equipment will connect charging wire, it is very inconvenient.Therefore, in the market
There are some wireless charging devices, as long as charging equipment is placed on the wireless charging device when in use, no
Need to plug electric wire.The wireless charging principle is to involve electromagnetic induction technology using radio, passes through the line in wireless charger
Coil-induced generation electric current in circle and outer charging equipment, and induced-current is converted into electromagnetic wave signal, and electromagnetic wave signal
After wireless charger is transferred to charging equipment, direct current used in equipment charge is then converted into by reception device
Source, so as to be charged to the lithium battery in equipment.
For example, disclosing a kind of cell phone rear cover for wireless charging in CN202696681U, the cell phone rear cover can be direct
Bonnet as existing mobile phone so that the bonnet forms a complete entirety with existing mobile phone, and carries out wireless charging to mobile phone
Electricity.But the wireless charging mobile phone bonnet and the various wireless charging devices that occur in the market only consider equipment charge
Connectivity problem, do not consider the heat dissipation problem of charging equipment and wireless charging device, it is basic without using heat dissipation design or
Radiating effect is poor so that remaining heat, which is gathered in charging equipment, during wireless charging to discharge, and reduce charging
Efficiency, while equipment charge high temperature safe hidden danger also be present.
The content of the invention
The present invention solves that heat dispersion existing for wireless charging device of the prior art is poor, causes charge efficiency low
Technical problem.
The invention provides a kind of wireless charging shell, the wireless charging shell includes being used to contact with charging equipment
Outer cover body；The outer cover body medial surface is equipped with charging assembly, connection component and U-shaped thermally conductive sheet；The charging assembly
Including circuit board, charge coil and excitation magnetic sheet assembly, chip is integrated with circuit board；One end of the connection component and charging
Electrically connected between the circuit board of component, the other end is used to be connected with charging equipment；
The U-shaped thermally conductive sheet includes Part I, Part II and the Part III of integrative-structure；Wherein Part I,
Part II is be arranged in parallel, and the bottom of Part I and Part II is connected structure by Part III；
The charging assembly is located between the Part I and Part II of U-shaped thermally conductive sheet, and Part I and circuit board
On chip contact, Part II contacts with the medial surface of outer cover body.
As a further improvement on the present invention, the Part I of the U-shaped thermally conductive sheet is identical with the shape of Part II, and
The bottom of U-shaped thermally conductive sheet opens up jagged, placement connection component in the breach.
As a further improvement on the present invention, the shape of Part I and the form fit of chip of the U-shaped thermally conductive sheet.
As a further improvement on the present invention, the connection component includes connector and plays pin；Wherein connector and circuit
It is fixedly connected between plate, and plays and electrically connected between one end of pin and circuit board, the other end for playing pin is used to connect with charging equipment
Connect.
As a further improvement on the present invention, the corner of the outer cover body is equipped with buckle, and the buckle is used for waiting to fill
Electric equipment is fixedly connected.
As a further improvement on the present invention, the material of the U-shaped thermally conductive sheet is metallic copper.
As a further improvement on the present invention, ceramics are additionally provided between the Part II and circuit board of the U-shaped thermally conductive sheet
Thermal resistance piece, and the shape of ceramic thermal resistance piece and the form fit of circuit board.
As a further improvement on the present invention, on the contact surface of the Part II of the ceramic thermal resistance piece and U-shaped thermally conductive sheet
Provided with heat-conducting glue.
As a further improvement on the present invention, the contact surface of the Part I of the U-shaped thermally conductive sheet and chip is provided with and led
Hot glue.
As a further improvement on the present invention, set on the Part II of the U-shaped thermally conductive sheet and the contact surface of outer cover body
There is heat-conducting glue.
As a further improvement on the present invention, the heat-conducting glue is heat-conducting silicone grease.
As a further improvement on the present invention, it is additionally provided with shielding on a side of the charging assembly away from outer cover body
Sticker.
As a further improvement on the present invention, the surface of the shielding sticker is also covered with packaging protection paper.
Present invention also offers a kind of method of mobile phone wireless charging, and this method is using outside wireless charging provided by the invention
Shell is carried out, including first by wireless charging shell fixing assembling of the present invention on mobile phone to be charged, and by mobile phone can
Rechargeable battery pin electrically connects with connection component.
Wireless charging shell provided by the invention, it in the wireless charging device of routine by increasing a U-shaped heat conduction newly
Piece, so as to which after-heat caused by chip in charging assembly is effectively transferred into wireless charging shell by U-shaped thermally conductive sheet
On outer cover body and discharge, prevent heat from internally assembling, so as to ensure high recharge efficiency, improve equipment charge security performance.
Brief description of the drawings
Fig. 1 is the exploded perspective view of wireless charging shell provided by the invention.
Fig. 2 is the structural representation of the first embodiment of U-shaped thermally conductive sheet in wireless charging shell provided by the invention.
Fig. 3 is the structural representation of second of embodiment of U-shaped thermally conductive sheet in wireless charging shell provided by the invention.
Fig. 4 is the diagrammatic cross-section of wireless charging shell provided by the invention.
In figure, 1 --- outer cover body, 2 --- U-shaped thermally conductive sheet, 3 --- ceramic thermal resistance piece, 4 --- charging assembly, 5 ---
Connection component, 6 --- shielding sticker, 7 --- packaging protection paper；
101 --- buckle；201 --- Part I, 202 --- Part II, 203 --- Part III, 204 --- lack
Mouthful；401 --- chip.
Embodiment
It should be noted that in the present invention, unless limited otherwise, the outer cover body（1）Medial surface i.e. refer to treat court
To the one side of charging equipment.
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Embodiment one
In mobile phone wireless charging process, due to circuit heating etc. reason, be unable to reach 100% charge efficiency, loss
Power is converted into heat, plus heat caused by charging equipment CPU itself, internal memory, battery etc., it will all be gathered in and treats
It is difficult to come out between charging equipment and wireless charging shell.Therefore, in the present invention, then the wireless charging Denso in routine is passed through
An interior newly-increased U-shaped thermally conductive sheet 2 is put, to improve its heat dispersion.
Specifically, the present embodiment provides a kind of wireless charging shell, as shown in Figure 1 and Figure 4, the wireless charging shell bag
The outer cover body 1 for being contacted with charging equipment is included, the medial surface of outer cover body 1 is equipped with charging assembly 4 and connection
Component 5.
The wherein structure of charging assembly 4 and connection component 5 is known to those skilled in the art, and the present invention is without special limit
It is fixed.For example, the charging assembly 4 includes circuit board, charge coil and excitation magnetic sheet assembly, chip is integrated with the one side of circuit board
401.Wherein, for the specific rigging position of the circuit board in charging assembly 4, charge coil and excitation magnetic sheet, the present invention is without spy
It is different to limit.As the common knowledge of those skilled in the art, the chip 401 is located at a face of the circuit board towards charging equipment
On, it is easy to charge to charging equipment；And the face causes caused after-heat on chip 401 can not be straight away from outer cover body 1
Connected outer cover body 1 to pass, and can assemble together with the heat of charging equipment itself.And connection component 5 then includes
Connector and bullet pin, are wherein fixedly mounted so that play one end of pin and the circuit board of charging assembly 4 between connector and circuit board
Between electrically connect, the other end for playing pin is then connected with charging equipment.
Specifically, as shown in Figure 1 and Figure 4, the U-shaped thermally conductive sheet 2 includes the Part I 201, second of integrative-structure
Divide 202 and Part III 203；Wherein Part I 201, Part II 202 be arranged in parallel, and Part I 201 and second
Points 202 bottom is connected structure by Part III 203, i.e. Formation cross-section is the structure of U-shaped.
Foregoing charging assembly 4 is then between Part I 201 and Part II 202, and Part I 201 and circuit board
On chip 401 contact, Part II 202 contacts with the medial surface of outer cover body 1.Therefore, the after-heat on chip 401 is then
Part I 201 can be directly passed to, and Part I 201, Part II 202 and Part III 203 are structure as a whole, therefore
Part I 201 can conduct heat to Part II 202, then uniformly transfer the outer cover body 1 for giving the contact of Part II 202
Medial surface, and discharged by the cross-ventilation in the outside of outer cover body 1.In the present invention, the U-shaped thermally conductive sheet of the integrative-structure
2 can be molded by integrated punching after cut and obtain, the present invention is not particularly limited.
Inventor has found that metallic copper has good heat-conductive characteristic and high intensity.Therefore, in the present invention, the U-shaped is led
The material of backing is preferably metallic copper, but is not limited to this.
In the present embodiment, the Part I 201 is identical with the shape of Part II 202, as shown in Fig. 2 so as to
Charging assembly 4 is clamped between U-shaped thermally conductive sheet 2.And in order to connection component 5 bullet pin can with the circuit board of charging assembly 4 it
Between well electrically connect, in the present embodiment, the bottom of the U-shaped thermally conductive sheet 2 opens up jagged 204, the company of placement in the breach 204
Connected components 5, i.e., connection component 5 is positioned in the breach 204, so as to realize while realize wireless charging enclosure connection group
The electrical connection played between pin and the circuit board of charging assembly 4 of part 5 and bullet pin and the outside charging equipment of connection component 5
Between electrical connection.
In the present invention, the outer cover body 1 is used to contact with charging equipment, under preferable case, as shown in Figure 1 and Figure 4,
The corner of the outer cover body 1 is equipped with buckle 101.Equipment is charged using the wireless charging shell of the present embodiment
When, outer cover body 1 can be securely fastened on charging equipment by buckle 101, while be also convenient for follow-up dismounting and remove.
In the present invention, ceramic thermal resistance piece 3 is additionally provided between the Part II 202 and circuit board, and ceramic thermal resistance piece 3
The form fit of shape and circuit board.By the setting of the ceramic thermal resistance piece 3, it can effectively prevent conduction to Part II 202
Heat be back to again on circuit board 3, it is specific to be so as to ensure that the bang path of heat is unidirectional delivery：Chip 401-U shapes
The Part II 202- outer cover bodies of the Part III 203-U shapes thermally conductive sheet 2 of the Part I 201-U shapes thermally conductive sheet 2 of thermally conductive sheet 2
1- air.
To ensure the good contact between ceramic thermal resistance piece 3 and Part II 202, under preferable case, the ceramic thermal resistance
The contact surface of piece 3 and Part II 202 is provided with heat-conducting glue.Similarly, well connecing between guarantee Part I and chip
Touch, the Part I 201 on the contact surface of chip 401 with may also set up heat-conducting glue.Accordingly, the Part II 202 with
The contact surface of outer cover body 1 is provided with heat-conducting glue.In the present invention, on the one hand the heat-conducting glue can play good bonding and make
With, while can also play a part of increasing heat transfer area, it can use various heat-conducting glues common in the art.Inventor
It was found that using heat-conducting silicone grease as the present invention in heat-conducting glue when, its adhesive property and heat conductivility more preferably, but are not limited to
This.
An as shown in figure 1, side of the charging assembly 4 away from outer cover body 1（I.e. close to one of charging equipment
Side）On be additionally provided with shielding sticker（6）, it acts on the magnetic field for being shielding on the inside of charging equipment.This is because, charging group
Circuit board, charge coil and excitation magnetic sheet on part 4 towards charging equipment side, are easy to give its charging, and to be charged set
Standby inside is inevitably present magnetic field again, therefore, in the present invention, by bonding one layer of shielding again on the surface of charging assembly 4
Sticker 6, it can effectively reduce influence of the charging equipment internal magnetic field to charging assembly 4.
In addition, the as shown in figure 1, shielding sticker（6）Surface be also covered with packaging protection paper（7）.The packaging protection
Paper 7 is located at the outermost layer of wireless charging shell, can protect the internal structure of wireless charging shell, so as to ensure that outward appearance is good.
The packaging protection paper can be soft paper wood matter, also can directly use nonmetallic thin layer enclosure material, but be not limited to this.
Wireless charging shell provided by the invention be wireless charging receiving terminal, its can with arbitrarily with the wireless charging of standard
Device transmitting terminal（Such as common various wireless charging platform communal facilitys）Support the use, so as to be carried out to various charging equipments
Charging.The charging equipment can with but be not limited to the various conventional electronic products such as mobile phone, MP3.
Hereinafter, charging equipment is by taking mobile phone as an example, there is provided a kind of method of mobile phone wireless charging, using shown in Fig. 1 or Fig. 4
Wireless charging shell carry out, especially by first by wireless charging shell fixing assembling of the present invention in mobile phone to be charged
On, and the rechargeable battery pin in mobile phone is electrically connected with connection component 5.Specifically include and first pass through buckle 101 by shell sheet
Body 1 is securely fastened on mobile phone to be charged, and by one end of the bullet pin in the rechargeable battery pin in mobile phone and connection component 5
Electrical connection, then it is integrally placed to the coverage model of public wireless charging platform corresponding with charge coil in charging assembly 4
In enclosing, you can carry out electromagnetic induction wireless charging to the rechargeable battery in mobile phone.
Embodiment two
The structure for the wireless charging shell that the present embodiment provides is roughly the same with embodiment one, the difference is that only：U
The structure of shape thermally conductive sheet 2 is different.Specifically as shown in figure 3, the U-shaped thermally conductive sheet 2 still includes Part I 201, the and of Part II 202
Part III 203；But, in the present embodiment, the shape of the Part I 201 of the U-shaped thermally conductive sheet 2 and the shape of chip 401
Matching.For the shape of the Part II 202 of U-shaped thermally conductive sheet 2, there is no particular/special requirement in the present embodiment, such as it can be with electricity
The form fit of road plate, but this can also be not limited to the form fit of the reserved heat dissipation region on outer cover body 1.
I.e. in the present embodiment, the area of the Part I 201 of the U-shaped thermally conductive sheet 2 is less than the area of Part II 202.
This is because, in the present invention, the effect of the Part I 201 is to be used to contact with chip 401, will be surplus on chip 401
Excess heat effectively exports, and therefore, from the aspect of material cost is saved, the area of the Part I 201 need not be excessive,
Its structure and the structure matching of chip 401.
Wireless charging shell provided by the invention, it in the wireless charging device of routine by increasing a U-shaped heat conduction newly
Piece；Using the wireless charging shell to equipment（Such as mobile phone or MP3）, can be by caused by chip in charging assembly when being charged
After-heat is effectively transferred on the outer cover body of wireless charging shell and discharged by U-shaped thermally conductive sheet, prevents heat internally
Aggregation, so as to ensure high recharge efficiency, improve equipment charge security performance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (13)
1. a kind of wireless charging shell, it is characterised in that the wireless charging shell includes being used for what is contacted with charging equipment
Outer cover body（1）；The outer cover body（1）Medial surface is equipped with charging assembly（4）, connection component（5）With U-shaped thermally conductive sheet（2）；
The charging assembly（4）Including circuit board, charge coil and excitation magnetic sheet assembly, chip is integrated with circuit board（401）；It is described
Connection component（5）One end and charging assembly（4）Circuit board between electrically connect, the other end be used for be connected with charging equipment；
The U-shaped thermally conductive sheet（2）Part I including integrative-structure（201）, Part II（202）And Part III（203）；
Wherein Part I（201）, Part II（202）It is arranged in parallel, and Part I（201）With Part II（202）Bottom
Pass through Part III（203）Be connected structure；
The charging assembly（4）Positioned at U-shaped thermally conductive sheet（2）Part I（201）With Part II（202）Between, and first
Part（201）With the chip on circuit board（401）Contact, Part II（202）With outer cover body（1）Medial surface contact, institute
State U-shaped thermally conductive sheet（2）Part II（202）Ceramic thermal resistance piece is additionally provided between circuit board（3）, and ceramic thermal resistance piece（3）
Shape and circuit board form fit.
2. wireless charging shell according to claim 1, it is characterised in that the U-shaped thermally conductive sheet（2）Part I
（201）With Part II（202）Shape it is identical, and U-shaped thermally conductive sheet（2）Bottom open up it is jagged（204）, the breach
（204）Interior placement connection component（5）.
3. wireless charging shell according to claim 1, it is characterised in that the U-shaped thermally conductive sheet（2）Part I
（201）Shape and chip（401）Form fit.
4. according to the wireless charging shell described in claim any one of 1-3, it is characterised in that the connection component（5）Including
Connector and bullet pin；Wherein it is fixedly connected between connector and circuit board, and plays and electrically connected between one end of pin and circuit board, bullet
The other end of pin is used to be connected with charging equipment.
5. according to the wireless charging shell described in claim any one of 1-3, it is characterised in that the outer cover body（1）Four
Angle is equipped with buckle（101）, the buckle（101）For being fixedly connected with charging equipment.
6. according to the wireless charging shell described in claim any one of 1-3, it is characterised in that the U-shaped thermally conductive sheet（2）Material
Matter is metallic copper.
7. wireless charging shell according to claim 1, it is characterised in that the ceramic thermal resistance piece（3）With U-shaped thermally conductive sheet
（2）Part II（202）Contact surface be provided with heat-conducting glue.
8. wireless charging shell according to claim 1, it is characterised in that the U-shaped thermally conductive sheet（2）Part I
（201）With chip（401）Contact surface be provided with heat-conducting glue.
9. wireless charging shell according to claim 1, it is characterised in that the U-shaped thermally conductive sheet（2）Part II
（202）With outer cover body（1）Contact surface be provided with heat-conducting glue.
10. according to the wireless charging shell described in claim any one of 7-9, it is characterised in that the heat-conducting glue is thermal conductive silicon
Fat.
11. wireless charging shell according to claim 1, it is characterised in that the charging assembly（4）Away from outer cover body
（1）A side on be additionally provided with shielding sticker（6）.
12. wireless charging shell according to claim 11, it is characterised in that the shielding sticker（6）Surface also cover
It is stamped packaging protection paper（7）.
A kind of 13. method of mobile phone wireless charging, it is characterised in that this method is using the nothing described in claim any one of 1-12
Micro USB electricity shell is carried out, including first by described wireless charging shell fixing assembling on mobile phone to be charged, and by mobile phone
Rechargeable battery pin and connection component（5）Electrical connection.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128803.0A CN104104123B (en) | 2013-04-15 | 2013-04-15 | A kind of wireless charging shell and a kind of method of mobile phone wireless charging |
| PCT/CN2014/075427 WO2014169814A1 (en) | 2013-04-15 | 2014-04-15 | Wireless charging device and method using the same |
| US14/784,454 US9667075B2 (en) | 2013-04-15 | 2014-04-15 | Wireless charging device and method using the same |
| EP14785258.6A EP2944074B1 (en) | 2013-04-15 | 2014-04-15 | Wireless charging device and method using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128803.0A CN104104123B (en) | 2013-04-15 | 2013-04-15 | A kind of wireless charging shell and a kind of method of mobile phone wireless charging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104104123A CN104104123A (en) | 2014-10-15 |
| CN104104123B true CN104104123B (en) | 2018-03-13 |
Family
ID=51672036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310128803.0A Active CN104104123B (en) | 2013-04-15 | 2013-04-15 | A kind of wireless charging shell and a kind of method of mobile phone wireless charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104104123B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949171B (en) * | 2021-11-17 | 2023-06-30 | 重庆前卫无线电能传输研究院有限公司 | Rail type wireless charging pickup and forming method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203278291U (en) * | 2013-04-15 | 2013-11-06 | 比亚迪股份有限公司 | Wireless charging outer shell |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101390082B1 (en) * | 2007-08-01 | 2014-05-28 | 삼성전자주식회사 | Mobile communication terminal with projector |
| CN202696681U (en) * | 2012-07-10 | 2013-01-23 | 尤广国 | Mobile phone rear cover for wireless charging |
-
2013
- 2013-04-15 CN CN201310128803.0A patent/CN104104123B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203278291U (en) * | 2013-04-15 | 2013-11-06 | 比亚迪股份有限公司 | Wireless charging outer shell |
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| Publication number | Publication date |
|---|---|
| CN104104123A (en) | 2014-10-15 |
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