CN202695109U - Transmitting coil winding structure for rectangular positioning-free wireless charger - Google Patents
Transmitting coil winding structure for rectangular positioning-free wireless charger Download PDFInfo
- 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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- coil winding
- transmitting coil
- wireless charger
- magnetic sheet
- fin
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- 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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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN2012203245774U CN202695109U (en) | 2012-07-06 | 2012-07-06 | Transmitting coil winding structure for rectangular positioning-free wireless charger |
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CN202695109U true CN202695109U (en) | 2013-01-23 |
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CN2012203245774U Expired - Lifetime CN202695109U (en) | 2012-07-06 | 2012-07-06 | Transmitting coil winding structure for rectangular positioning-free wireless charger |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
-
2012
- 2012-07-06 CN CN2012203245774U patent/CN202695109U/en not_active Expired - Lifetime
Cited By (20)
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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Legal Events
Date | Code | Title | Description |
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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. |
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TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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CX01 | Expiry of patent term |