CN104600782A - Wireless charging device - Google Patents
Wireless charging device Download PDFInfo
- Publication number
- CN104600782A CN104600782A CN201410823973.5A CN201410823973A CN104600782A CN 104600782 A CN104600782 A CN 104600782A CN 201410823973 A CN201410823973 A CN 201410823973A CN 104600782 A CN104600782 A CN 104600782A
- Authority
- CN
- China
- Prior art keywords
- coil
- pcb board
- wireless charging
- coil rack
- charging 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 claims abstract description 18
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H02J7/025—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
Abstract
The invention relates a wireless charging device. The device comprises a shielding grid plate, a communication coil plate, a coil framework, an insulation plate, a radiating plate and a PCB which are sequentially arranged; the shielding grid plate sleeves the top end of a module; the communication coil late is fixed on the coil framework; a conductive spring passes through a hole in the coil framework, and two ends of the conductive spring are directly propped to a conductive contact of the PCB and on the bottom part of the communication coil plate; the coil framework is that a ferrite is arranged in each grid by sleeving, an insulation plate is cushioned, and then the radiating plate sleeves; the whole coil framework is fixed on the PCB through a screw column; the wireless charging coil is welded on the PCB through a terminal connecting lead on the coil framework; the communication coil directly contacts the corresponding contact on the PCB thorough the spring so as to finish the circuit connection. The wireless charging device is simple and compact in structure and low in cost; the connection reliability of the product can be greatly improved, and the performances of the whole emission coil are improved.
Description
Technical field
The present invention relates to a kind of wireless charging transmitting coil module of wireless charging RFID communication.
Background technology
in existing wireless charging, the design of communicating circuit, cost is high, poor stability, and fail safe, foreign bodies detection etc. all have problems, and as overcurrent, overvoltage, excess temperature etc. cause that battery or power consumption equipment catch fire, electric shock etc. happens occasionally, and have larger potential safety hazard.
Summary of the invention
the object of the invention is the defect existed for above-mentioned prior art, a kind of communication transmitting coil structure having private access is provided.
The technical solution used in the present invention is: comprise pcb board and be set in turn in shielding grid sheet, communication coil pcb board, the coil rack on pcb board; Described communication coil pcb board is fixed on coil rack, and coil rack and pcb board are fixed; Power spring is through the hole on coil rack, and one end withstands on the conductive contact of pcb board, and the other end withstands on bottom communication coil pcb board; In the groove of described coil rack, solderless wrapped connection has Wireless charging coil, and Wireless charging coil is connected by the terminal on coil rack with lead-in wire and is welded on pcb board formed and is electrically connected; Described shielding grid sheet covers module top.
Multiple accommodation lattice are set bottom described coil rack, a socket ferrite in every lattice.
Also be provided with insulating trip between described pcb board and coil rack, in the middle of insulating trip, be provided with the hole passed for power spring.
Arrange heating panel between described insulating trip and pcb board, heating panel is screwed on pcb board, is provided with the hole passed for power spring in the middle of heating panel.
Heating panel be provided with braced wing, make to leave space between heating panel and pcb board.
Described shielding grid chip size is greater than the size of coil rack, better to realize shielding, avoids EMI problem.
Compared with prior art, beneficial effect of the present invention is as follows: the whole assembly structure of (1) described wireless charging device is simple, has not only saved space, and has made structure compacter, also improved connection reliability; The insulating trip increased, not only can prevent ferrite from loosening, and ferrite can also be prevented broken in hard hit; Beneath heating panel, not only can dispel the heat to transmitting coil, every magnetic, and can also to element radiatings such as metal-oxide-semiconductors corresponding on pcb board.
(2) the present invention is simple for structure, is easy to assembling, not only simplify assembly complexity, reduce the cost of product, and greatly can improve reliability and the overall performance of product.
Accompanying drawing explanation
Fig. 1 is inventive embodiments detonation configuration schematic diagram;
Fig. 2 is inventive embodiments traverse axial arrangement schematic diagram;
Fig. 3 is that inventive embodiments places axial arrangement schematic diagram vertically;
Fig. 4 is inventive embodiments package assembly schematic diagram;
Fig. 5 is vertical view after inventive embodiments assembling.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be described in detail.
As Figure 1-4, described wireless charging device comprises the shielding grid sheet 1, communication coil pcb board 2, power spring 3, coil rack 4, ferrite 5, insulating trip 6, heating panel 7 and the pcb board 8 that set gradually.Coil rack 4 is circular, and below is divided into several sector region grooves, and each sector region groove places a ferrite 5.Shielding grid sheet 1 covers the top of whole module, communication coil pcb board 2 is printed with communication coil and related circuit, and it is adhesively fixed on above coil rack 4, coil rack 4 can be arranged the groove holding communication coil pcb board 2.Coil rack 4 is fixed on pcb board 8 being spirally connected.In addition, coil rack 4 pars intermedia establishes multiple hollow guide pillar, establishes power spring 3 in guide pillar, and power spring 3 one end immediate roof is on the conductive contact of pcb board 8, and the other end withstands on the bottom of communication coil pcb board.Wireless charging coil solderless wrapped connection is in the groove 9 of coil rack 4.Hold-down screw can be run through in all the other guide pillars.
Insulating trip 6 and heating panel 7 is padded with between coil rack 4 and pcb board 8, all through hole is established in the middle of the two, guide pillar for coil rack 4 passes, be screwed on pcb board, by the terminal 10 on coil rack after Wireless charging coil solderless wrapped connection, be connected with lead-in wire, and be welded on pcb board, communication coil is then by spring, and directly on contact pcb board 8, completing circuit connection is carried out in corresponding contact.
Coil rack 4 can be designed to connect and fix with the connected mode of pcb board 8, be designed to the entity structure of below band snap fit by the part guide pillar in the middle of coil rack 4, on pcb board 8, correspondence position arranges hole clipping, and the two realizes clamping, such assembling is more convenient, and is beneficial to maintenance maintenance.
The present invention not only reduces the material cost of product, assembly cost, and improves product connection reliability greatly, improves the overall performance of transmitting coil.
In the present invention, the not concrete part introduced, all can adopt this area conventional means, then this is no longer superfluous
State.
Be more than the preferred implementation of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (6)
1. a wireless charging device, is characterized in that, comprises pcb board (8) and is set in turn in shielding grid sheet (1), communication coil pcb board (2), the coil rack (4) on pcb board (8); Described communication coil pcb board (2) is fixed on coil rack (4), and coil rack (4) is fixed with pcb board (8); Power spring (3) is through the hole on coil rack (4), and one end withstands on the conductive contact of pcb board (8), and the other end withstands on communication coil pcb board (2) bottom; Groove (9) the interior solderless wrapped connection of described coil rack has Wireless charging coil, and the Wireless charging coil terminal (10) passed through on coil rack (4) is connected with lead-in wire and is welded on pcb board (8) and forms electrical connection; Described shielding grid sheet (1) covers module top.
2. wireless charging device as claimed in claim 1, is characterized in that, described coil rack (4) bottom arranges multiple accommodation lattice, a socket ferrite (5) in every lattice.
3. wireless charging device as claimed in claim 1, it is characterized in that, arrange heating panel (7) between described coil rack (4) and pcb board (8), heating panel (7) is screwed on pcb board (8), is provided with the hole passed for power spring (3) in the middle of heating panel (7).
4. wireless charging device as claimed in claim 1, is characterized in that, be also provided with insulating trip (6) between described heating panel (7) and coil rack (4), is provided with the hole passed for power spring (3) in the middle of insulating trip (6).
5. wireless charging device as claimed in claim 4, it is characterized in that, described heating panel (7) is provided with braced wing, makes to leave space between heating panel (7) and pcb board (8).
6. wireless charging device as claimed in claim 1, it is characterized in that, described shielding grid sheet (1) size is greater than the size of coil rack (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823973.5A CN104600782B (en) | 2014-12-26 | 2014-12-26 | A kind of wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823973.5A CN104600782B (en) | 2014-12-26 | 2014-12-26 | A kind of wireless charging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104600782A true CN104600782A (en) | 2015-05-06 |
| CN104600782B CN104600782B (en) | 2017-03-15 |
Family
ID=53126386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410823973.5A Active CN104600782B (en) | 2014-12-26 | 2014-12-26 | A kind of wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104600782B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105916363A (en) * | 2016-07-01 | 2016-08-31 | 苏州景昱医疗器械有限公司 | Wireless charging device |
| CN106451683A (en) * | 2016-12-06 | 2017-02-22 | 宜春高登兰电子科技有限公司 | Portable bag-type magnetically-attractive charge base |
| CN107546863A (en) * | 2017-07-31 | 2018-01-05 | 惠州硕贝德无线科技股份有限公司 | A kind of onboard wireless charger of low EMI |
| CN108494104A (en) * | 2018-03-22 | 2018-09-04 | 深圳市森凯欣技术有限公司 | Wireless charger with air chamber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252040A (en) * | 2007-02-20 | 2008-08-27 | 精工爱普生株式会社 | Coil unit, method of manufacturing the same, and electronic instrument |
| JP2011250498A (en) * | 2010-05-24 | 2011-12-08 | Showa Aircraft Ind Co Ltd | Non-contact power feeding device |
| CN103208345A (en) * | 2012-01-17 | 2013-07-17 | 德尔福技术有限公司 | Coil Apparatus Having Coil Arrangement That Includes A Ferrite Layer And A Thermally-conductive Silicone Layer |
| CN204243852U (en) * | 2014-12-26 | 2015-04-01 | 天宝电子（惠州）有限公司 | A kind of wireless charging device |
-
2014
- 2014-12-26 CN CN201410823973.5A patent/CN104600782B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252040A (en) * | 2007-02-20 | 2008-08-27 | 精工爱普生株式会社 | Coil unit, method of manufacturing the same, and electronic instrument |
| JP2011250498A (en) * | 2010-05-24 | 2011-12-08 | Showa Aircraft Ind Co Ltd | Non-contact power feeding device |
| CN103208345A (en) * | 2012-01-17 | 2013-07-17 | 德尔福技术有限公司 | Coil Apparatus Having Coil Arrangement That Includes A Ferrite Layer And A Thermally-conductive Silicone Layer |
| CN204243852U (en) * | 2014-12-26 | 2015-04-01 | 天宝电子（惠州）有限公司 | A kind of wireless charging device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105916363A (en) * | 2016-07-01 | 2016-08-31 | 苏州景昱医疗器械有限公司 | Wireless charging device |
| CN106451683A (en) * | 2016-12-06 | 2017-02-22 | 宜春高登兰电子科技有限公司 | Portable bag-type magnetically-attractive charge base |
| CN107546863A (en) * | 2017-07-31 | 2018-01-05 | 惠州硕贝德无线科技股份有限公司 | A kind of onboard wireless charger of low EMI |
| CN108494104A (en) * | 2018-03-22 | 2018-09-04 | 深圳市森凯欣技术有限公司 | Wireless charger with air chamber |
| CN108494104B (en) * | 2018-03-22 | 2024-04-12 | 深圳市森凯欣技术有限公司 | Wireless charger with air heat insulation cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104600782B (en) | 2017-03-15 |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |