CN203722275U - Wireless charger - Google Patents
Wireless charger Download PDFInfo
- Publication number
- CN203722275U CN203722275U CN201320833396.9U CN201320833396U CN203722275U CN 203722275 U CN203722275 U CN 203722275U CN 201320833396 U CN201320833396 U CN 201320833396U CN 203722275 U CN203722275 U CN 203722275U
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- China
- Prior art keywords
- wireless charger
- chip
- control circuit
- rotating shaft
- transmitting coil
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of wireless charging, in particular to a wireless charger. The wireless charger comprises a Qi chip, an A4WP chip, and a collaborative control circuit for controlling the Qi chip and the A4WP to work collaboratively, wherein the Qi chip and the A4WP chip are separately connected to the collaborative control circuit. As a dual-chip structure is adopted, the wireless charger can charge a to-be-charged device using the A4WP standard or the Qi standard. The charger is simple and economical, and satisfies people's needs for charging wireless charge devices using different standards.
Description
Technical field
The utility model relates to wireless charging technical field, relates in particular to a kind of wireless charger.
Background technology
To the charging of intelligent terminal, be substantially all to adopt conventional Split charger charging now, the difference of charging specification and joint definition, causes a large amount of chargers and the data wire wasting of resources, and once can only give a intelligent terminal charging; During equipment charge, need connect power supply, cable, the words of taking in charging process need plug cable, and user experiences inconvenience.
Start now to occur in the industry wireless charger, the wireless charging standard of main flow has three kinds at present: Power Matters Alliance(PMA) standard, Qi standard, Alliance for Wireless Power(A4WP) standard.Wherein Qi standard and A4WP standard application are relatively wide.Qi standard is the standardization body of global first promotion wireless charging technology---" wireless charging " standard that wireless charging alliance (Wireless Power Consortium is called for short WPC) releases, possesses convenience and the large feature of versatility two.As long as there is the sign of a Qi, can charge with the wireless charger of Qi standard; It has captured the technical bottleneck of wireless charging " versatility "; But the equipment charge that the charging of the wireless charger of Qi standard only can identify to Qi, and once can only give an equipment charge.
The wireless charger emphasis of A4WP standard is introduced " electromagnetic resonance wireless charging " technology, distinguishes to some extent: Qi standard transmission efficiency may be lower, but can realize wireless charging slightly at a distance with " the electromagnetic induction technology " of Qi standard; A4WP standard needs close contact, but charge efficiency is higher like this.
Because the equipment of charging that needs used in daily life is varied, cause people need to prepare the wireless charger of A4WP standard and Qi standard, trouble and uneconomical simultaneously.
Utility model content
The purpose of this utility model is to propose a kind of wireless charger, can compatible A4WP standard and the charging demand of Qi standard charging equipment.
For reaching this object, the utility model by the following technical solutions:
A wireless charger, comprises Qi chip, A4WP chip, for controlling the Collaborative Control circuit of Qi chip and the collaborative work of A4WP chip; Qi chip, A4WP chip are connected with Collaborative Control circuit respectively.
Wherein also comprise transmitting coil, the electric energy input of transmitting coil connects the electric energy output end of Collaborative Control circuit; Transmitting coil comprises coiling, winding structure, and coiling is wrapped on winding structure, and winding structure comprises rotating shaft, is arranged on the telescopic diameter poles on rotating shaft, and diameter poles is placed with the coiling of N circle along the axis direction of rotating shaft, and the quantity of N is more than 2.
Wherein, diameter poles comprises two radius rods, and the middle part of the cross direction of two radius rods is provided with strip-shaped clamp groove along radial direction, and the cross section of two radius rods is racetrack ringwise, the strip-shaped clamp groove clamping of rotating shaft and two radius rods; Two radius rods are crisscross arranged at the upper and lower lamination in rotating shaft place.The outer end of two radius rods is provided with compensation flange along the axis direction of rotating shaft.
Preferably, the quantity of diameter poles is more than 2; A plurality of diameter poles be arranged in parallel along the axis direction of rotating shaft; The coiling series connection of a plurality of diameter poles.
Wherein, also comprise for controlling the flexible Drive and Control Circuit of diameter poles, the signal input part of Drive and Control Circuit connects the signal output part of Collaborative Control circuit.
Wherein, also comprise charging panel, transmitting coil is positioned at the bottom of charging panel, and the surface of charging panel is canvas face, and charging panel can be worked as mouse pad and be used.Charging panel is of a size of: long 12-30cm; Wide 8-26cm, can be used for various micro radio charging devices.
The one side that deviates from charging panel of transmitting coil arranges ferrite magnetic conduction sheet; The one side that ferrite magnetic conduction sheet deviates from transmitting coil is provided with graphite heat radiation fin; The one side that graphite heat radiation fin deviates from ferrite magnetic conduction sheet is provided with micro heat pipe.
The beneficial effects of the utility model are: a kind of wireless charger, comprises Qi chip, A4WP chip, for controlling the Collaborative Control circuit of Qi chip and the collaborative work of A4WP chip; Qi chip, A4WP chip are connected with Collaborative Control circuit respectively.Owing to having adopted double-chip structure, under the effect of Collaborative Control circuit, this wireless charger both can have been given the charging equipment charging of A4WP standard, also can give the charging equipment charging of Qi standard, simply, economy, met the charging demand of people for the wireless charging device of various criterion.
Accompanying drawing explanation
For technical scheme clearer, that the utility model embodiment is described effectively, the accompanying drawing of required use in embodiment is briefly described, self-explantoryly be, accompanying drawing in the following describes is only embodiment more of the present utility model, for those skilled in the art, without paying under the prerequisite of creative work, can also make other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of a kind of wireless charger of the utility model.
Fig. 2 is the structural representation of the winding structure of a kind of wireless charger of the utility model.
Fig. 3 is the structural representation that a plurality of winding structures of a kind of wireless charger of the utility model are used in combination.
In figure:
1-coiling; 2-winding structure; 3-rotating shaft; 4-diameter poles; 5-strip-shaped clamp groove; 6-compensates flange; 7-Qi chip; 8-A4WP chip; 9-Collaborative Control circuit; 10-Drive and Control Circuit.
Embodiment
The utility model provides a kind of wireless charger, in order to make, those of skill in the art are clearer understands the utility model scheme, and make the above-mentioned object of the utility model, feature, beneficial effect can more understand, understandable, below in conjunction with accompanying drawing 1-3 and embodiment, the utility model is described in further detail.
A wireless charger, comprises Qi chip 7, A4WP chip 8, for controlling the Collaborative Control circuit 9 of Qi chip 7 and 8 collaborative works of A4WP chip; Qi chip 7, A4WP chip 8 are connected with Collaborative Control circuit 9 respectively.
Owing to having adopted double-chip structure, under the effect of Collaborative Control circuit 9, this wireless charger both can have been given the charging equipment charging of A4WP standard, also can give the charging equipment charging of Qi standard, simply, economy, met the charging demand of people for the wireless charging device of various criterion.
In the present embodiment, also comprise transmitting coil, the electric energy input of transmitting coil connects the electric energy output end of Collaborative Control circuit 9; Transmitting coil comprises coiling 1, winding structure 2, coiling 1 is wrapped on winding structure 2, winding structure 2 comprises rotating shaft 3, is arranged on the telescopic diameter poles 4 on rotating shaft 3, diameter poles 4 is placed with N circle coiling 1 along the axis direction of rotating shaft 3, the quantity of N is being 2, and the quantity of N also can be 3,4 or more as required.
Telescopic diameter poles 4, stretching in rotating shaft 3 rotations, has been controlled the radius size of transmitting coil effectively.When the charging equipment charging of giving Qi standard, transmitting coil diminishes, and meets the charging demand of the mini-plant of Qi standard; When the charging equipment charging of giving single A4WP standard, transmitting coil keeps less state, to reach optimal charge efficiency; When the charging equipment charging of giving a plurality of A4WP standards, it is large that the radius of transmitting coil becomes, and keeps larger state, to reach optimal charge efficiency.
Collaborative Control circuit 9 comprises the testing circuit for detection of charging equipment.
In the present embodiment, diameter poles 4 comprises two radius rods, and the cross section that the middle part of the cross direction of two radius rods is provided with 5, two radius rods of strip-shaped clamp groove along radial direction is racetrack ringwise, strip-shaped clamp groove 5 clampings of rotating shaft 3 and two radius rods; Two radius rods are crisscross arranged at the rotating shaft 3 upper and lower laminations in place.The strip-shaped clamp groove of two radius rods Shang Xia 5 superimposed degree determined the size of diameter poles 4.
The outer end of two radius rods is provided with compensation flange 6 along the axis direction of rotating shaft 3, because two upper and lower laminations of radius rod are crisscross arranged, cause being wound around the inconvenience of coiling 1, compensation flange 6 can be removed this inconvenience effectively, 1 the be wound around area of making to wind the line increases, and has improved the charge power of wireless charger.
In the present embodiment, the quantity of diameter poles 4 is 3; 3 diameter poles 4 be arranged in parallel along the axis direction of rotating shaft 3; Coiling 1 series connection of 3 diameter poles 4.3 diameter poles 4 can further improve the winding area of coiling 1, improve the charge power of wireless charger.If while needing less charge power: the quantity of diameter poles 4 can be 2, the number of turns of coiling 1 also can suitably reduce; When the larger charge power of needs, the quantity of diameter poles 4 can be 4,5 or more, and the number of turns of coiling 1 also can suitably increase.
In the present embodiment, also comprise for controlling the flexible Drive and Control Circuit of diameter poles 4 10, the signal input part of Drive and Control Circuit 10 connects the signal output part of Collaborative Control circuit 9.Collaborative Control circuit 9 sends the operation that control signal is controlled Drive and Control Circuit 10, and Drive and Control Circuit 10 is controlled diameter poles 4 and extended or shorten.
Also comprise charging panel, transmitting coil is positioned at the bottom of charging panel, and the surface of charging panel is canvas face.Charging panel can be worked as mouse pad and be used.Charging panel is of a size of: long 12cm; Wide 26cm, can be used for various micro radio charging devices.The size of charging panel can be selected in following scope as required: long 12-30cm; Wide 8-26cm.
The one side that deviates from charging panel of transmitting coil arranges ferrite magnetic conduction sheet; The magnetic energy loss of non-charging face is reduced to below 15%.The one side that ferrite magnetic conduction sheet deviates from transmitting coil is provided with graphite heat radiation fin, and the one side that graphite heat radiation fin deviates from ferrite magnetic conduction sheet is provided with micro heat pipe.The temperature of effectively having controlled transmitting coil by the setting of graphite heat radiation fin and micro heat pipe raises, and has reduced the Conductor Impedance of transmitting coil, and charge efficiency is further improved.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection range.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection range of the present utility model.
Claims (10)
1. a wireless charger, comprises Qi chip (7), it is characterized in that, also comprises A4WP chip (8), for controlling the Collaborative Control circuit (9) of Qi chip (7) and A4WP chip (8) collaborative work; Qi chip (7), A4WP chip (8) are connected with Collaborative Control circuit (9) respectively.
2. wireless charger as claimed in claim 1, is characterized in that, also comprises transmitting coil, and the electric energy input of transmitting coil connects the electric energy output end of described Collaborative Control circuit (9); Described transmitting coil comprises coiling (1), winding structure (2), coiling (1) is wrapped on winding structure (2), winding structure (2) comprises rotating shaft (3), is arranged on the telescopic diameter poles (4) on rotating shaft (3), described diameter poles (4) is placed with N circle coiling (1) along the axis direction of rotating shaft (3), and the quantity of N is more than 2.
3. wireless charger as claimed in claim 2, it is characterized in that, described diameter poles (4) comprises two radius rods, the middle part of the cross direction of described two radius rods is provided with strip-shaped clamp groove (5) along radial direction, the cross section of described two radius rods is racetrack ringwise, strip-shaped clamp groove (5) clamping of described rotating shaft (3) and two radius rods; Described two radius rods are located upper and lower lamination at rotating shaft (3) and are crisscross arranged.
4. wireless charger as claimed in claim 3, is characterized in that, the outer end of described two radius rods is provided with compensation flange (6) along the axis direction of rotating shaft (3).
5. wireless charger as claimed in claim 4, is characterized in that, the quantity of described diameter poles (4) is more than 2; A plurality of described diameter poles (4) be arranged in parallel along the axis direction of rotating shaft (3); Coiling (1) series connection of described a plurality of described diameter poles (4).
6. wireless charger as claimed in claim 5, it is characterized in that, also comprise that the signal input part of Drive and Control Circuit (10) connects the signal output part of described Collaborative Control circuit (9) for controlling the flexible Drive and Control Circuit (10) of described diameter poles (4).
7. wireless charger as claimed in claim 5, is characterized in that, also comprises charging panel, and described transmitting coil is positioned at the bottom of charging panel, and the surface of described charging panel is canvas face.
8. wireless charger as claimed in claim 7, is characterized in that, described charging panel is of a size of: long 12-30cm; Wide 8-26cm.
9. wireless charger as claimed in claim 8, is characterized in that, the one side that deviates from charging panel of described transmitting coil arranges ferrite magnetic conduction sheet; The one side that described ferrite magnetic conduction sheet deviates from transmitting coil is provided with graphite heat radiation fin.
10. wireless charger as claimed in claim 9, is characterized in that, the one side that described graphite heat radiation fin deviates from ferrite magnetic conduction sheet is provided with micro heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833396.9U CN203722275U (en) | 2013-12-17 | 2013-12-17 | Wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833396.9U CN203722275U (en) | 2013-12-17 | 2013-12-17 | Wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722275U true CN203722275U (en) | 2014-07-16 |
Family
ID=51161400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320833396.9U Expired - Fee Related CN203722275U (en) | 2013-12-17 | 2013-12-17 | Wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730927A (en) * | 2013-12-17 | 2014-04-16 | 昆山欣海韵贸易有限公司 | Wireless charger |
-
2013
- 2013-12-17 CN CN201320833396.9U patent/CN203722275U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730927A (en) * | 2013-12-17 | 2014-04-16 | 昆山欣海韵贸易有限公司 | Wireless charger |
| CN103730927B (en) * | 2013-12-17 | 2016-02-10 | 昆山欣海韵贸易有限公司 | A kind of wireless charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |