CN202695109U - Transmitting coil winding structure for rectangular positioning-free wireless charger - Google Patents

Transmitting coil winding structure for rectangular positioning-free wireless charger Download PDF

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Publication number
CN202695109U
CN202695109U CN2012203245774U CN201220324577U CN202695109U CN 202695109 U CN202695109 U CN 202695109U CN 2012203245774 U CN2012203245774 U CN 2012203245774U CN 201220324577 U CN201220324577 U CN 201220324577U CN 202695109 U CN202695109 U CN 202695109U
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CN
China
Prior art keywords
coil winding
transmitting coil
wireless charger
magnetic sheet
fin
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.)
Expired - Lifetime
Application number
CN2012203245774U
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Chinese (zh)
Inventor
邝伯舜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magneto Electricity Industrial Luoding Co ltd
Original Assignee
Aihuate (Guangzhou) Communication Co Ltd
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Publication date
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Priority to CN2012203245774U priority Critical patent/CN202695109U/en
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Publication of CN202695109U publication Critical patent/CN202695109U/en
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Expired - Lifetime legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The utility model relates to a transmitting coil winding structure for a rectangular positioning-free wireless charger, which comprises a heat-reradiating fin, a ferrite magnetic sheet fitted with the heat-radiating fin and a coil winding fitted with the ferrite magnetic sheet, wherein the coil winding is a three-dimensional structure body divided by a plurality of rectangular coils into at least two layers and arranged in a rectangular shape from the bottom up. The transmitting coil winding structure has the benefits that as the coil winding is the three-dimensional structure body divided by the plurality of rectangular coils into the at least two layers and arranged in a rectangular shape from the bottom up, the wireless charger and charged equipment can be effectively charged without accurate positioning, and a plurality of equipment can be simultaneously charged, so that the charging efficiency is improved, and the application of the charger is facilitated; moreover, the wireless charger also has the characteristics of wide application scope and can cover the charging application of above 90 percent of portable mobile equipment with below 5 watts of power; and the transmitting coil winding structure has the advantages of novel structure, good heat radiation effect, safety in use and long service life.

Description

A kind of rectangle is exempted from positioned radio charger transmitting coil winding construction
Technical field
The utility model relates to a kind of wireless charger, particularly relates to a kind of rectangle and exempts from positioned radio charger transmitting coil winding construction.
Background technology
Wireless charging is to adopt radio to involve the electromagnetic induction technology, by the coil-induced generation current in the coil in the wireless charger and the charging equipment, and convert induced current to electromagnetic wave signal, and after electromagnetic wave signal is transferred to charging equipment from wireless charger, by the receiving system in the charging equipment electromagnetic wave signal that receives is carried out demodulation, convert the employed DC power supply of equipment charge to, thereby realize the lithium battery of equipment is charged, and the number of wireless charger interior loop and arrangement architecture have conclusive impact to the efficient of equipment charge.And existing wireless charger, usually only be provided with a coil, therefore only can charge to a charging device, and require charger and be subjected to accurately to locate between the charging device, otherwise will reduce charge efficiency, even can't charge normal, thereby the charging of the equipment of giving has brought very large inconvenience.
Summary of the invention
The purpose of this utility model is the problem and shortage for above-mentioned existence, providing a kind of exempts from the location and can realize that multiple devices charge simultaneously, use very conveniently, and good heat dissipation effect and rectangle applied widely are exempted from positioned radio charger transmitting coil winding construction.
The technical solution of the utility model is achieved in that
Rectangle described in the utility model is exempted from positioned radio charger transmitting coil winding construction, be characterized in comprising fin, be fitted in the ferrite magnetic sheet on the fin and be fitted in coil windings on the ferrite magnetic sheet, wherein said coil windings is for to be divided into stereo structure structure two-layer at least and that rearrange by " product " font from the bottom up by a plurality of square coils.
For circuit of the present utility model is effectively protected, to increase the service life further, be provided with NTC type thermistor on the above-mentioned coil windings.
For the ease of producing and assembling, above-mentioned ferrite magnetic sheet is comprised of 2 or 2 the square magnetic sheet of times several piece.
In order to make electromagnetic induction effect of the present utility model more desirable, to improve further charging effect, above-mentioned ferrite magnetic sheet adopts nickel zinc magnetic material to be made.
In order to make good heat dissipation effect of the present utility model, further to increase the service life, above-mentioned fin is aluminum radiating fin.
The utility model is arranged to wireless charger to be divided into stereo structure structure two-layer at least and that rearrange by " product " font from the bottom up by a plurality of square coils with coil windings owing to adopting, make wireless charger and be subjected to need not between the charging device accurate positioning instant and can effectively charge, and can realize that multiple devices charge simultaneously, so both improved charge efficiency, made things convenient for again the application of charger, can also allow simultaneously freely rotated on the charger platform by charging device, and this wireless charger also has characteristics applied widely, can cover the power more than 90% on the market uses in the charging of the portable type mobile device below 5 watts, and by the heat radiation of fin, can effectively prolong the useful life of wireless charger.Simultaneously, can also be provided with NTC type thermistor in coil windings, by NTC type thermistor temperature be detected and controls, the circuit of wireless charger is effectively protected, thereby prolong further the useful life of wireless charger.And the utility model novel structure, arrange reasonable, safe and reliable.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the planar structure schematic diagram of the utility model embodiment 1.
Fig. 2 is that Fig. 1 is in the cross-sectional view of A-A direction.
Fig. 3 is the planar structure schematic diagram of the utility model embodiment 2.
Fig. 4 is that Fig. 3 is in the cross-sectional view of B-B direction.
Embodiment
Such as Fig. 1-shown in Figure 4, rectangle described in the utility model is exempted from positioned radio charger transmitting coil winding construction, comprise fin 1, be fitted in the ferrite magnetic sheet 2 on the fin 1 and be fitted in coil windings 3 on the ferrite magnetic sheet 2 that wherein said coil windings 3 is for to be divided into stereo structure structure two-layer at least and that rearrange by " product " font from the bottom up by a plurality of square coils 31.As shown in the figure, coil windings 3 is comprised of 31 stacks of two layers of square coil, wherein the square coil 31 of bottom is provided with two side by side, these two square coils 31 are to be fitted on the surface of ferrite magnetic sheet 2, and the square coil 31 of top layer is provided with one, and this square coil 31 of top layer is superimposed between two square coils 31 of bottom.For circuit of the present utility model is effectively protected, to improve further useful life of the present utility model, be provided with among NTC type thermistor 4(Fig. 1 not shownly on the above-mentioned coil windings 3, mark among Fig. 3).For the ease of producing and assembling, above-mentioned ferrite magnetic sheet 2 is comprised of 2 or 2 the square magnetic sheet of times several piece.In order to make electromagnetic induction effect of the present utility model more desirable, to improve further charging effect, above-mentioned ferrite magnetic sheet 2 adopts nickel zinc magnetic material to be made.In order to make good heat dissipation effect of the present utility model, further to increase the service life, above-mentioned fin 1 is aluminum radiating fin.The utility model is arranged to wireless charger to be divided into stereo structure structure two-layer at least and that rearrange by " product " font from the bottom up by a plurality of square coils 31 with coil windings 3 owing to adopting, make wireless charger and be subjected to need not between the charging device accurate positioning instant and can effectively charge, and can realize that multiple devices charge simultaneously, so both improved charge efficiency, made things convenient for again the application of charger, can also allow simultaneously freely rotated on the charger platform by charging device, and this wireless charger also has characteristics applied widely, can cover the power more than 90% on the market uses in the charging of the portable type mobile device below 5 watts, and by the heat radiation of fin 1, can effectively prolong the useful life of wireless charger.Simultaneously, can also be provided with NTC type thermistor in coil windings 3, by NTC type thermistor temperature be detected and controls, the circuit of wireless charger is effectively protected, thereby prolong further the useful life of wireless charger.And the utility model novel structure, arrange reasonable, safe and reliable.It is that device is in the wireless charger housing with the transmitting coil winding construction that rectangle described in the utility model is exempted from the positioned radio charger, can realize that in order to make wireless charger multiple devices charge simultaneously, many group coil winding arrangements will be set in housing, this moment the wireless charger shell shape will according to coil winding arrangement what and arrange corresponding size and shape be set.
The utility model is described by embodiment, but the utility model is not construed as limiting, with reference to description of the present utility model, other variations of the disclosed embodiments, expect easily that such as the professional person for this area such variation should belong within the utility model claim restricted portion.

Claims (5)

1. a rectangle is exempted from positioned radio charger transmitting coil winding construction, it is characterized in that comprising fin (1), be fitted in the ferrite magnetic sheet (2) on the fin (1) and be fitted in coil windings (3) on the ferrite magnetic sheet (2), wherein said coil windings (3) is for to be divided into stereo structure structure two-layer at least and that rearrange by " product " font from the bottom up by a plurality of square coils (31).
2. described rectangle is exempted from positioned radio charger transmitting coil winding construction according to claim 1, it is characterized in that being provided with on the above-mentioned coil windings (3) NTC type thermistor (4).
3. described rectangle is exempted from positioned radio charger transmitting coil winding construction according to claim 1, it is characterized in that above-mentioned ferrite magnetic sheet (2) is comprised of 2 or 2 the square magnetic sheet of times several piece.
According to claim 1 or 3 described rectangles exempt from positioned radio charger transmitting coil winding construction, it is characterized in that above-mentioned ferrite magnetic sheet (2) adopts nickel zinc magnetic material to be made.
5. described rectangle is exempted from positioned radio charger transmitting coil winding construction according to claim 1, it is characterized in that above-mentioned fin (1) is aluminum radiating fin.
CN2012203245774U 2012-07-06 2012-07-06 Transmitting coil winding structure for rectangular positioning-free wireless charger Expired - Lifetime CN202695109U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012203245774U CN202695109U (en) 2012-07-06 2012-07-06 Transmitting coil winding structure for rectangular positioning-free wireless charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012203245774U CN202695109U (en) 2012-07-06 2012-07-06 Transmitting coil winding structure for rectangular positioning-free wireless charger

Publications (1)

Publication Number Publication Date
CN202695109U true CN202695109U (en) 2013-01-23

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103475073A (en) * 2013-08-20 2013-12-25 上海锐灵电子科技有限公司 Wireless charging device capable of being arranged on furniture
CN104956568A (en) * 2013-02-08 2015-09-30 株式会社Ihi Heat-transfer device, power feeding apparatus, and non-contact power feeding system
AT515624A1 (en) * 2014-03-31 2015-10-15 Kny Design Gmbh System for wireless energy transmission
CN105610208A (en) * 2015-10-16 2016-05-25 惠州硕贝德无线科技股份有限公司 Wireless charging heat dissipation structure and mobile electronic equipment
CN107438934A (en) * 2015-11-05 2017-12-05 Lg 电子株式会社 Wireless power transmitter and receiver for vehicle
CN108233497A (en) * 2016-12-21 2018-06-29 现代自动车株式会社 Wireless battery charging module
CN109245324A (en) * 2015-12-17 2019-01-18 Lg伊诺特有限公司 Transmission coil module for wireless power conveyer
CN109455097A (en) * 2018-12-28 2019-03-12 中惠创智无线供电技术有限公司 A kind of segmented wireless charging system
CN110517862A (en) * 2019-08-08 2019-11-29 浙江省东阳市东磁诚基电子有限公司 A kind of multi-thread coil structures of wireless charging transmitting terminal
CN111835043A (en) * 2019-04-16 2020-10-27 致伸科技股份有限公司 Wireless charging device and transmitting terminal module and transmitting terminal coil thereof

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104956568A (en) * 2013-02-08 2015-09-30 株式会社Ihi Heat-transfer device, power feeding apparatus, and non-contact power feeding system
CN104956568B (en) * 2013-02-08 2017-06-23 株式会社 Ihi Heat transfer unit (HTU), electric supply installation and contactless power supply system
US9854709B2 (en) 2013-02-08 2017-12-26 Ihi Corporation Heat-transfer device, power-supplying device, and wireless power-supplying system
CN103475073A (en) * 2013-08-20 2013-12-25 上海锐灵电子科技有限公司 Wireless charging device capable of being arranged on furniture
AT515624A1 (en) * 2014-03-31 2015-10-15 Kny Design Gmbh System for wireless energy transmission
CN105610208A (en) * 2015-10-16 2016-05-25 惠州硕贝德无线科技股份有限公司 Wireless charging heat dissipation structure and mobile electronic equipment
US11626758B2 (en) 2015-11-05 2023-04-11 Lg Electronics Inc. Wireless power transmitter and receiver for vehicle
CN107438934A (en) * 2015-11-05 2017-12-05 Lg 电子株式会社 Wireless power transmitter and receiver for vehicle
US11936204B2 (en) 2015-11-05 2024-03-19 Lg Electronics Inc. Wireless power transmitter and receiver for vehicle
EP4236005A3 (en) * 2015-11-05 2023-10-18 LG Electronics Inc. Wireless power transmitter and receiver for vehicle
EP3373411B1 (en) * 2015-11-05 2023-07-26 LG Electronics Inc. Wireless power transmitter and receiver for vehicle
CN107438934B (en) * 2015-11-05 2020-10-02 Lg 电子株式会社 Wireless power transmitter and receiver for vehicle
CN109245324B (en) * 2015-12-17 2023-07-11 Lg伊诺特有限公司 Transmission coil module for wireless power transmitter
CN109245324A (en) * 2015-12-17 2019-01-18 Lg伊诺特有限公司 Transmission coil module for wireless power conveyer
CN108233497B (en) * 2016-12-21 2023-04-28 现代自动车株式会社 Wireless battery charging module
CN108233497A (en) * 2016-12-21 2018-06-29 现代自动车株式会社 Wireless battery charging module
CN109455097A (en) * 2018-12-28 2019-03-12 中惠创智无线供电技术有限公司 A kind of segmented wireless charging system
CN109455097B (en) * 2018-12-28 2024-02-13 中惠创智(阜阳)技术有限公司 Sectional type wireless charging system
CN111835043A (en) * 2019-04-16 2020-10-27 致伸科技股份有限公司 Wireless charging device and transmitting terminal module and transmitting terminal coil thereof
CN110517862A (en) * 2019-08-08 2019-11-29 浙江省东阳市东磁诚基电子有限公司 A kind of multi-thread coil structures of wireless charging transmitting terminal

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20170511

Address after: 527200 Guangdong city of Yunfu province Luoding city town of Baolong Road No. 1

Patentee after: MAGNETO-ELECTRICITY INDUSTRIAL (LUODING) CO.,LTD.

Address before: 510730, four, China Science and Technology Association (Guangzhou) science and Technology Park, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong

Patentee before: AIHUATE (GUANGZHOU) COMMUNICATION Co.,Ltd.

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20130123

CX01 Expiry of patent term