CN105990881A - Receiving device for wireless charging - Google Patents
Receiving device for wireless charging Download PDFInfo
- Publication number
- CN105990881A CN105990881A CN201510043335.6A CN201510043335A CN105990881A CN 105990881 A CN105990881 A CN 105990881A CN 201510043335 A CN201510043335 A CN 201510043335A CN 105990881 A CN105990881 A CN 105990881A
- Authority
- CN
- China
- Prior art keywords
- circuit unit
- terminal
- charging circuit
- wireless charging
- reception device
- Prior art date
- 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.)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a receiving device for wireless charging. The receiving device for wireless charging comprises a receiving antenna configured to generate a current based on the change of a magnetic force; and a charging circuit unit. The charging circuit unit is configured to receive the current generated by the antenna and then convert the current into a direct current (DC). The receiving antenna and the charging circuit unit are connected to a flexible plate. Therefore, the receiving device can be attached to the housing of an intelligent terminal, while the thickness variation of the intelligent terminal is minimized. Meanwhile, the task of connecting with the antenna and the charging circuit unit of the receiving device is saved. Through simply changing the housing of the intelligent terminal without the wireless charging function, the intelligent terminal is endowed with the wireless charging function.
Description
Technical field
The present invention relates to a kind of reception device for wireless charging, and particularly to a kind of quilt
Device on the back casing of the terminal being arranged on such as smart phone, and be configured to can be to end
End carries out wireless charging.
Background technology
In recent years, along with communication and information processing technology is pushed into, such as smart phone portable
The use of formula intelligent terminal is incrementally increased.Along with the development of technology, there is the property being modified
The novel terminal of energy continues to be published.
Additionally, the charging method being widely used is by straight for the adapter that is connected to power supply
Grounding connection is to intelligent terminal and uses external power source to smart phone charging or to pass through main frame
USB terminal adapter is connected to intelligent terminal and uses the USB power source supplied by main frame
Method to intelligent terminal's charging.
In order to solve must to be directly connected to adapter or master by connecting line intelligent terminal
The problem of machine or fill in the contact occurred when the contact terminal of intelligent terminal externally exposes
Problem intrinsic in method for electrically, for using magnetic couplings to electricity in the case of not electrical contact
Noncontact or the wireless charging method of pond charging are little by little applied to intelligent terminal.
In nearest product, the reception device for wireless charging is substantially installed in terminal
With in the housing of terminal or removable battery, it is possible to carry out wireless charging.On the contrary,
Not there is being divided with product by housing to change battery in the middle of the product of wireless charging receive capabilities
In the case of from, the housing that the reception device for wireless charging has been fitted into is developed also
And sold individually.
In order to realize wireless charging function, wireless charging Denso in terminal after being published in the terminal
Put and must be individually mounted on housing.Accordingly, there exist and be difficult with terminal or terminal
The problem of appearance poor, because the thickness original than housing, the thickness of housing becomes thicker.
Summary of the invention
Accordingly, it has been suggested that the present invention is to solve produced problem in the prior art, and this
The purpose of invention is to provide for a kind of reception device for wireless charging, and it is capable of end
Wireless charging function in end.
It is another object of the present invention to provide a kind of reception device for wireless charging, its
The housing of terminal can be attached to.
It is another object of the present invention to reduce the connection unit for connecting antenna and forming use
Thickness in the circuit receiving device of wireless charging.
According to an aspect of the present invention, the reception device for wireless charging can include receiving
Antenna, this reception antenna is configured to change based on magnetic force and produces electric current；With charging circuit list
Unit, the electric current that this charging circuit unit is configured to reception antenna to produce is converted into direct current, its
Middle reception antenna and charging circuit unit may be connected to flexible board.
In one embodiment, can in connecting the flexible board of reception antenna and charging circuit unit
To form reception antenna in a pattern.
In one embodiment, flexible board can include the terminal being exposed, and it is from charging circuit
Unit extends and is connected to main body.
In one embodiment, receive device and may further include electro-magnetic wave absorption sheet.
In one embodiment, electro-magnetic wave absorption sheet may be configured to cover charging circuit unit
At least some of with reception antenna.
In one embodiment, charging circuit unit may be configured to farther include battery guarantor
Protect at least one in unit and control unit.
Accompanying drawing explanation
Fig. 1 is according to an embodiment of the invention for the plane receiving device of wireless charging
Figure；
Fig. 2 diagram is according to an embodiment of the invention for the part receiving device of wireless charging
It is coated with electro-magnetic wave absorption sheet；
Fig. 3 be illustrate attached for the reception device of wireless charging according to an embodiment of the invention
Receive the sectional view of the housing of intelligent terminal；And
The reception that Fig. 4 diagram is included according to an embodiment of the invention for wireless charging fills
The configuration of the circuit unit in putting.
Detailed description of the invention
In conjunction with accompanying drawing, from detailed description below the object above of the present invention, characteristic and
Advantage will become more fully apparent.The present invention can be modified and permissible in every way
There are some embodiments.Hereinafter, will illustrate in the accompanying drawings and describe this in detail
Some bright exemplary embodiments.Reference identical in whole accompanying drawing substantially specifies phase
Same element.Additionally, if it is considered to make that the spirit of the present invention is the most ambiguous then will
Omit the known function relevant with the present invention or the detailed description of element.It is used for describing this
Bright numeral (such as, first and second) is only for distinguishing an element and other element
Distinguished symbol.
Below with reference to the accompanying drawings the connecing for wireless charging relevant with the present invention it is described more fully
Receiving apparatus.It should be noted that write the simple of this specification by only consideration, retouch following
State the suffix of the element of middle use, such as " module " and " unit ", be assigned or can phase
Interchangeable, but themselves is not given importance and mission especially.
Reception device for wireless charging is for leading to according to wireless power transmission and method of reseptance
Cross the device that battery is charged by the power supply that antenna is supplied with external power source and use is supplied.
The device that receives for wireless charging may be configured to include for being supplied with external power source
Receiving antenna coil and for control electric power receive and the electric power received is converted into for
Circuit unit to the electric current of battery charging.
Reception device for wireless charging needs to be fabricated such that it is mounted in the form of a film
In the back casing of intelligent apparatus, housing separates with intelligent apparatus so that changing battery.Existing
Have in technology, including the reception antenna of receiving coil and transmitted by receiving coil for using
The circuit unit of current versus cell charging is designed individually and is connected.This makes it be difficult to reality
The type of existing thin film.
Traditional device that receives for wireless charging is merely provided for the wireless coil (vacation of reception
Determine circuit unit to separate with terminal or battery and exist) or so that coil is attached to charged electrical
The mode of road unit is implemented.In this case, because charging circuit unit and receive line
Enclose by welding connected, so the thickness connecting unit inevitably increases.
Because be difficult to reduce connect unit thickness for wireless charging reception device together with
The back casing of terminal is provided as product together.In this case, the thickness of back casing
Inevitably become thicker than the original thickness of the back casing of terminal.
Fig. 1 is according to an embodiment of the invention for the plane receiving device of wireless charging
Figure.
Reception device 100 for wireless charging can be configured according to an embodiment of the invention
Become to include reception antenna 10, outside this reception antenna 10 is configured for induction coil and uses
Magnetic field, portion produces faradic current；Charging circuit unit 20, this charging circuit unit 20 is configured to
The faradic current that rectification is produced by reception antenna 10；Connect unit 30 and the terminal exposed
40.The reception antenna 10 of ultra-thin coil and charging circuit unit 20 can be integrated and with soft
Property printed circuit board (FPCB) form be implemented such that it is able to eliminate for connect unit 30
Task and reduce thickness.
Reception antenna 10 can not be tool with the pattern form in the ultra-thin FPCB of 0.2mm
The form having the coiled wire-wound coil of the thickness of about 0.4mm is implemented.In order to by FPCB form
The shielding electromagnetic waves of reception antenna 10 or the purpose of absorption, reception antenna 10 with have
The sheet of the thickness of about 0.2mm is combined, thus can reduce fully when module is formed
The thickness of whole module.Therefore, though in the case of the change not having back casing reception antenna
10 can be disposed in the back casing of terminal.
Additionally, because reception antenna 10 and charging circuit unit 20 are integrated with FPCB form,
So according to have various forms of terminal or terminal shell amendment be possible.
Fig. 2 diagram is according to an embodiment of the invention for one that receives device of wireless charging
Divide and be coated with electro-magnetic wave absorption sheet.Sheet 50 can be attached to and reception antenna 10 and charging
Region that circuit unit 20 is corresponding or can cover in addition to the terminal 40 except being exposed
Some or the whole region that receive device for wireless charging.
Sheet 50 can be to be formed by ferrite sheet so that removing electromagnetic wave and noise and improving
The faradic efficiency of battery is flowed into by charging circuit unit 20.
Fig. 3 be illustrate attached for the reception device of wireless charging according to an embodiment of the invention
Receive the sectional view of the housing of intelligent terminal.
Reception device 100 for wireless charging can be attached according to an embodiment of the invention
Inside to main body 210 back casing 210 below covering terminal 200.Back casing 220
Main body 210 can be attached to or make to be inserted into terminal 200 from main body 210 dismounting
The battery 230 of main body 210 is removable.Wherein for the reception device 100 of wireless charging
The space (that is, the space indicated by the dotted line of Fig. 3 in back casing) that can be placed can
To be arranged in back casing 220.
It is being used for according to an embodiment of the invention in the reception device 100 of wireless charging, sheet 50
After the direction of the main body 210 towards terminal 200 is attached and is placed in terminal 200
In housing 220.The terminal 40 exposed is exposed in the direction of the main body 210 towards terminal 200
And be exposed on be arranged on after the main body 210 of terminal 200 in terminal 240 phase
Corresponding position.When the main body 210 of terminal 200 and back casing 220 are coupled, it is exposed
Terminal 40 be electrically connected to the terminal 240 of terminal 200.By means of when the main body of terminal 200
210 and the terminal 40 being exposed by pressure that produces when being coupled of back casing 220 can be by physics
It is connected to the terminal 240 of terminal 200.
The terminal 240 of terminal 200 can be by being arranged in the main body 210 of terminal 200
Connecting line may be electrically coupled in the main body 210 having been inserted into being arranged on terminal 200
Space (that is, the space indicated by dotted line in the main body 210 of terminal 200) in electricity
Pond 230.
The reception that Fig. 4 diagram is included according to an embodiment of the invention for wireless charging fills
The configuration of the circuit unit in putting.
It is connected to wireless charging by the physical contact between the terminal 40 being exposed and terminal 240
The reception device 100 of electricity and terminal 200.Therefore, by the reception device for wireless charging
The charging current that the charging circuit unit of 100 produces can be sent to be inserted in terminal 100
Battery 230.
Charging circuit unit 20 may be configured to include power conversion unit 21, battery protection
Unit 22 and control unit 23.Power conversion unit 21 is used as will be by reception antenna 10
The faradic current produced is converted into direct current.Battery protection unit 22 is connected to the terminal being exposed
40, and it is as preventing the too much of voltage exported by power conversion unit 21 from rising.Control
Unit 23 processed controls power conversion unit 21 and can perform the communication with electric power transfer unit.
Charging circuit unit 20 may be configured to include power conversion unit 21, battery protection
Unit 22 and control unit 23 whole, may be configured to only include power conversion unit
21, may be configured to only include power consumption converting unit 21 and battery protection unit 22, or can
To be configured to include power conversion unit 21 and control unit 23.It is not included in charged electrical
Remaining element in road unit 20 can be configured in terminal 200.
Wireless power transmission between electric power transfer unit and power reception unit and method of reseptance
Such as can include electromagnetic induction method or resonance magnetic induction method, but the invention is not restricted to this.
Therefore, the reception device for wireless charging can be attached to the housing of intelligent terminal together
Time minimize the change in the thickness of intelligent terminal.
Additionally, for the charging circuit unit receiving device and the antenna that are connected to wireless charging
Task can be eliminated.
Additionally, by the housing changing the intelligent terminal without wireless charging function simply,
Intelligent terminal can be given wireless charging function.
Additionally, can be held according to various forms of terminals or terminal shell wireless charging device
Change places change, because reception antenna and charging circuit unit are integrated with FPCB form.
The invention is not restricted to previous embodiment.For the those skilled in the art that the invention belongs to
For it is apparent that the present invention can be with in the case of without departing from the technical spirit of the present invention
Various forms is replaced, modifications and changes.
Claims (7)
1. for a reception device for wireless charging, including:
Reception antenna, described reception antenna is configured to change based on magnetic force and produces electric current；With
Charging circuit unit, described charging circuit unit is configured to described reception antenna to produce
Electric current be converted into direct current,
Wherein, described reception antenna and described charging circuit unit are connected to flexible board.
Reception device the most according to claim 1, wherein, is connecting described reception antenna
With the flexible board of described charging circuit unit is formed described reception antenna in a pattern.
Reception device the most according to claim 1, wherein, described flexible board includes by cruelly
The terminal of dew, described in the terminal that is exposed extend from described charging circuit unit and be connected to
Main body.
Reception device the most according to claim 1, farther includes electro-magnetic wave absorption sheet.
Reception device the most according to claim 4, wherein, described electro-magnetic wave absorption sheet quilt
It is configured to cover at least some of of described charging circuit unit and described reception antenna.
Reception device the most according to claim 1, wherein, described charging circuit unit quilt
It is configured to include power conversion unit.
Reception device the most according to claim 6, wherein, described charging circuit is configured
Become at least one farther included in battery protection unit and control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510043335.6A CN105990881A (en) | 2015-01-28 | 2015-01-28 | Receiving device for wireless charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510043335.6A CN105990881A (en) | 2015-01-28 | 2015-01-28 | Receiving device for wireless charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105990881A true CN105990881A (en) | 2016-10-05 |
Family
ID=57036392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510043335.6A Withdrawn CN105990881A (en) | 2015-01-28 | 2015-01-28 | Receiving device for wireless charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105990881A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108881534A (en) * | 2018-06-06 | 2018-11-23 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315699A (en) * | 2011-09-16 | 2012-01-11 | 海尔集团公司 | Realizing device for wireless charging |
| CN202503334U (en) * | 2012-03-13 | 2012-10-24 | 东莞市隆佳展能源科技有限公司 | Wireless charging system |
| CN103094992A (en) * | 2011-11-04 | 2013-05-08 | Lg伊诺特有限公司 | Wireless power receiver and control method thereof |
| CN204118868U (en) * | 2014-10-14 | 2015-01-21 | 昆山国显光电有限公司 | Wireless charging pad pasting and mobile electronic device |
-
2015
- 2015-01-28 CN CN201510043335.6A patent/CN105990881A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315699A (en) * | 2011-09-16 | 2012-01-11 | 海尔集团公司 | Realizing device for wireless charging |
| CN103094992A (en) * | 2011-11-04 | 2013-05-08 | Lg伊诺特有限公司 | Wireless power receiver and control method thereof |
| CN202503334U (en) * | 2012-03-13 | 2012-10-24 | 东莞市隆佳展能源科技有限公司 | Wireless charging system |
| CN204118868U (en) * | 2014-10-14 | 2015-01-21 | 昆山国显光电有限公司 | Wireless charging pad pasting and mobile electronic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108881534A (en) * | 2018-06-06 | 2018-11-23 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161005 |