CN103248131B - A kind of wireless charging device - Google Patents
A kind of wireless charging device Download PDFInfo
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- CN103248131B CN103248131B CN201210028255.XA CN201210028255A CN103248131B CN 103248131 B CN103248131 B CN 103248131B CN 201210028255 A CN201210028255 A CN 201210028255A CN 103248131 B CN103248131 B CN 103248131B
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- transmitting coil
- wireless charging
- charging device
- driving circuit
- transmitting
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Abstract
The present invention provides a kind of wireless charging device, the wireless charging device includes transmitter and receiver, the transmitter includes shell and is placed in the transmitting module of multiple array arrangements in shell, each transmitting module includes transmitting coil, transmitting coil driving circuit and magnetic shielding material, the transmitting coil driving circuit is electrically connected the transmitting coil to provide drive signal, and the magnetic shielding material is fixed at the lower section of the transmitting coil.The wireless charging device of the present invention can effectively shield the radiation problem that electromagnetic induction is brought, enhance the security performance of wireless charging device, multiple transmitting coil arrays arrange and are respectively provided with transmitting coil driving circuit so that electronic equipment can charge in any position of wireless charging device.Wireless charging device structure of the present invention is frivolous, easy to use, has preferable application and development prospect.
Description
Technical field
The present invention relates to wireless charging field, more particularly to a kind of wireless charging device.
Background technology
With the development of science and technology, produce more and more mancarried electronic aids, as mobile phone, laptop, game machine,
Walkman etc., these electronic equipments depend on battery and carry out supply of electric power, once not enough power supply, and charging unit is can not find, electricity
Sub- equipment will be stopped, each electronic equipment must all use specific power supply adaptor and complicated electric wire, for life
More inconvenience is brought with work.The Chinese patent that application publication number is CN101938149A discloses a kind of knot of wireless charging device
Structure, working method and a kind of sensing device that may determine that electronic equipment accurate location is increased, shortcoming is not using appointing
Because of the radiation problem that electromagnetic induction is brought, Authorization Notice No. is that the Chinese utility model of CN201904661U is special for what measure shielding
Profit provides a kind of wireless charging device, effectively can carry out wireless charging for electronic product, defect is, not to electromagnetic induction
The radiation brought is shielded, and can only be charged in specific position to electronic product.
Based on disadvantages described above, it is frivolous, easy to carry and can be to multiple electronic equipments to need to develop a kind of operational safety, quality
The wireless charging device to charge simultaneously at an arbitrary position.
Invention content
Present invention solves the technical problem that being, a kind of wireless charging device is provided, electromagnetic induction can be effectively shielded and bring
Radiation problem, enhance the security performance of wireless charging device, multiple transmitting coil arrays arrange and are respectively provided with emission lines
Enclose driving circuit so that this wireless charging device can charge at an arbitrary position.Wireless charging device structure of the present invention is frivolous, makes
With conveniently, there is preferable application and development prospect.
The present invention realize goal of the invention the technical solution adopted is that, a kind of wireless charging device, the wireless charging device
Including transmitter and receiver, the transmitter includes the transmitting module of shell and the multiple array arrangements being placed in shell, often
A transmitting module includes transmitting coil, transmitting coil driving circuit and magnetic shielding material, the transmitting coil driving circuit
The transmitting coil is electrically connected to provide drive signal, the magnetic shielding material is fixed at the lower section of the transmitting coil.
Preferably, an insulated substrate is provided between the transmitting coil and the magnetic shielding material.
Preferably, it is covered with transmitting coil support plate on the insulated substrate.
Preferably, the magnetic shielding material is mounted on transmitting coil driving circuit installing plate.
Preferably, the transmitting coil support plate and the transmitting coil driving circuit installing plate are insulation board.
Preferably, the shell includes upper cover and lower cover.
Preferably, the transmitting coil driving circuit provides alternating current as drive signal for the transmitting coil.
Preferably, the magnetic shielding material is soft magnetic ferrite or magnetic alloy.
Preferably, the transmitting coil by enameled wire spiral shell around into.
Preferably, the thickness of the wireless charging device is 4-6mm.
The beneficial effects of the present invention are provide a kind of wireless charging device, magnetic screen be covered under each transmitting coil
Material can effectively shield the radiation problem that electromagnetic induction is brought, and enhance the security performance of wireless charging device, multiple emission lines
Circle array arranges and is respectively provided with transmitting coil driving circuit so that this wireless charging device can charge at an arbitrary position.This
Invention wireless charging device is simple in structure, easy to use, has preferable application and development prospect.
Description of the drawings
Fig. 1 is one embodiment of the present invention wireless charging device structure diagram；
Fig. 2 is one embodiment of the present invention transmitting coil, insulated substrate, magnetic shielding material structure diagram；
In figure, 1 upper cover, 2 transmitting coil support plates, 3 transmitting coils, 4 insulated substrates, 5 magnetic shielding materials, 6 transmitting coils
Driving circuit, 7 transmitting coil driving circuit installing plates, 8 lower covers.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
The present invention provides a kind of wireless charging device, and wireless charging device includes transmitter and receiver, and transmitter includes
The transmitting module of shell and the multiple array arrangements being placed in shell, each transmitting module includes transmitting coil 3, transmitting coil drives
Dynamic circuit 6 and magnetic shielding material 5, transmitting coil driving circuit 6 are electrically connected transmitting coil 3 to provide drive signal, magnetic screen material
Material 5 is fixed at the lower section of transmitting coil 3.Shell includes upper cover 1 and lower cover 8, plays protection, the work for supporting internal structure
With.Referring to Fig. 1, one embodiment of the present invention wireless charging device structure diagram.
Transmitting coil 3 by enameled wire spiral shell around into, be provided between each transmitting coil 3 and magnetic shielding material 5 one absolutely
Edge substrate 4 for transmitting coil 3 and magnetic shielding material 5 to be isolated, is covered with transmitting coil support plate 2, emission lines on insulated substrate 4
Circle driving circuit 6 provides alternating current for transmitting coil 3, as drive signal, referring to Fig. 2, one embodiment of the present invention hair
Ray circle, insulated substrate, magnetic shielding material structure diagram, magnetic shielding material 5 be soft magnetic ferrite or magnetic alloy, both
Magnetic material can effectively shield the radiation problem of the generation of transmitting coil 3.Magnetic shielding material 5 is mounted on transmitting coil driving electricity
Road installing plate 7, transmitting coil driving circuit installing plate 7 and transmitting coil support plate 2 are insulation board, wireless charging Denso of the present invention
The thickness put is 4-6mm, and the thickness of one embodiment of the present invention is 5.2mm.
The wireless charging device of the present invention includes transmitter and receiver, and receiver generally comprises DC output end, series connection
Secondary induction coil and rectification reduction voltage circuit between two connection terminals of DC output end, the charging end of electronic equipment
Electronic equipment charging port, to matching, when needing charging, can be inserted into receiver, the two is put by mouth with receiver DC output end
In on transmitter, receiver is transmitted electrical power to by the electromagnetic induction effect between transmitting coil 3, secondary induction coil, is connect
It receives device and is filled with electronic equipment by what is received through over commutation, pressure reduction.
Each 3 array of transmitting coil is arranged and is respectively provided in design by the wireless charging device transmitter of the present invention
Transmitting coil driving circuit 6 makes electronic equipment that can charge in any position of wireless charging device of the present invention.It improves wireless
The user experience of charging unit ensure that the integrality of wireless charging device function.
Inevitably, the wireless charging device of charge function is realized using electromagnetic induction principle, during the work time can
Radiation problem is generated, each transmitting coil 3 of the invention is corresponded to equipped with magnetic shielding material 5, is not only shielded electromagnetic radiation, is increased
The security performance of wireless charging device also enhances the mechanical property of wireless charging device.Multiple transmitting coil array arrangements
And transmitting coil driving circuit is respectively provided with, make this electronic equipment that can charge in any position of wireless charging device, use
Convenient, structure is frivolous, has preferable application and development prospect.
Above-described embodiment in the present invention has only made exemplary description, and those skilled in the art are after present patent application is read
The present invention can be carry out various modifications without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of wireless charging device, the wireless charging device includes transmitter and receiver, which is characterized in that the transmitting
Device includes the transmitting module of shell and the multiple array arrangements being placed in shell, each transmitting module include transmitting coil,
Transmitting coil driving circuit and magnetic shielding material, the transmitting coil driving circuit are electrically connected the transmitting coil to provide driving
Signal, the magnetic shielding material are fixed at the lower section of the transmitting coil；
One is provided between the transmitting coil and the magnetic shielding material for the transmitting coil and the magnetic screen to be isolated
The insulated substrate of material；The magnetic shielding material is soft magnetic ferrite or magnetic alloy.
2. wireless charging device according to claim 1, which is characterized in that transmitting coil branch is covered on the insulated substrate
Fagging.
3. wireless charging device according to claim 1, which is characterized in that the magnetic shielding material is mounted on transmitting coil
On driving circuit installing plate.
4. wireless charging device according to claim 2, which is characterized in that the transmitting coil support plate is insulation board.
5. wireless charging device according to claim 3, which is characterized in that the transmitting coil driving circuit installing plate is
Insulation board.
6. wireless charging device according to claim 1, which is characterized in that the shell includes upper cover and lower cover.
7. wireless charging device according to claim 1, which is characterized in that the transmitting coil driving circuit is the hair
Ray circle provides alternating current as drive signal.
8. wireless charging device according to claim 1, which is characterized in that the transmitting coil by enameled wire spiral shell around and
Into.
9. wireless charging device according to claim 1, which is characterized in that the thickness of the wireless charging device is 4-
6mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210028255.XA CN103248131B (en) | 2012-02-09 | 2012-02-09 | A kind of wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210028255.XA CN103248131B (en) | 2012-02-09 | 2012-02-09 | A kind of wireless charging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103248131A CN103248131A (en) | 2013-08-14 |
| CN103248131B true CN103248131B (en) | 2018-07-06 |
Family
ID=48927429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210028255.XA Active CN103248131B (en) | 2012-02-09 | 2012-02-09 | A kind of wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103248131B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105529792A (en) * | 2014-12-16 | 2016-04-27 | 比亚迪股份有限公司 | Wireless charging system and wireless charging apparatus |
| CN105914847A (en) * | 2015-08-31 | 2016-08-31 | 苏州东大金点物联科技有限公司 | Non-electric-contact public electric bicycle charging device |
| US10790699B2 (en) | 2015-09-24 | 2020-09-29 | Apple Inc. | Configurable wireless transmitter device |
| WO2017053861A1 (en) * | 2015-09-24 | 2017-03-30 | Apple Inc. | Configurable wireless transmitter device |
| US10734840B2 (en) | 2016-08-26 | 2020-08-04 | Apple Inc. | Shared power converter for a wireless transmitter device |
| US10897148B2 (en) | 2016-09-23 | 2021-01-19 | Apple Inc. | Wireless charging mats with multi-layer transmitter coil arrangements |
| CN106602735B (en) * | 2016-10-27 | 2019-08-02 | 深圳市元征科技股份有限公司 | Shell and preparation method thereof, electronic device |
| CN108083794B (en) * | 2016-11-22 | 2021-02-23 | 比亚迪股份有限公司 | Ferrite material and application thereof |
| CN106994908A (en) * | 2017-04-24 | 2017-08-01 | 中海阳能源集团股份有限公司 | A kind of automobile wireless charging device and charging method |
| CN110380456B (en) * | 2018-04-12 | 2025-04-01 | Oppo广东移动通信有限公司 | Wireless charging device, wireless charging system and wireless charging method |
| CN110634663B (en) * | 2018-06-22 | 2022-06-03 | 苹果公司 | Electrical shielding structure |
| CN112051460B (en) * | 2019-06-06 | 2023-06-13 | 南瑞集团有限公司 | Electromagnetic safety assessment method for wireless charging system |
| CN114389370A (en) * | 2020-10-19 | 2022-04-22 | Oppo广东移动通信有限公司 | Wireless charger and wireless charging structure thereof |
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| CN101252040A (en) * | 2007-02-20 | 2008-08-27 | 精工爱普生株式会社 | Coil unit, manufacturing method thereof, and electronic device |
| CN101375483A (en) * | 2006-01-31 | 2009-02-25 | Ls电线有限公司 | Contactless power supply, contactless charging system, and method of charging rechargeable batteries |
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| EP0689214B1 (en) * | 1994-06-21 | 1999-09-22 | Sumitomo Special Metals Co., Ltd. | Process of producing a multi-layered printed-coil substrate |
| US8169185B2 (en) * | 2006-01-31 | 2012-05-01 | Mojo Mobility, Inc. | System and method for inductive charging of portable devices |
| CN200944432Y (en) * | 2006-05-12 | 2007-09-05 | 汉达精密电子(昆山)有限公司 | Plane printed circuit board antenna |
| JP4420073B2 (en) * | 2007-07-11 | 2010-02-24 | セイコーエプソン株式会社 | Coil unit and electronic equipment |
| JP4605192B2 (en) * | 2007-07-20 | 2011-01-05 | セイコーエプソン株式会社 | Coil unit and electronic equipment |
| JP5393804B2 (en) * | 2008-12-12 | 2014-01-22 | チュンキル ジョン | Non-contact power charging station having a planar spiral core structure, non-contact power receiver, and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101375483A (en) * | 2006-01-31 | 2009-02-25 | Ls电线有限公司 | Contactless power supply, contactless charging system, and method of charging rechargeable batteries |
| CN101252040A (en) * | 2007-02-20 | 2008-08-27 | 精工爱普生株式会社 | Coil unit, manufacturing method thereof, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103248131A (en) | 2013-08-14 |
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Effective date of registration: 20210415 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 18B, building a, CIC international business center, 1061 Xiangmei Road, Futian District, Shenzhen, Guangdong 518034 Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |