CN105610208A - Wireless charging heat dissipation structure and mobile electronic equipment - Google Patents
Wireless charging heat dissipation structure and mobile electronic equipment Download PDFInfo
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- CN105610208A CN105610208A CN201510667724.6A CN201510667724A CN105610208A CN 105610208 A CN105610208 A CN 105610208A CN 201510667724 A CN201510667724 A CN 201510667724A CN 105610208 A CN105610208 A CN 105610208A
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- wireless charging
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- radiator structure
- heat dissipation
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Abstract
The invention discloses a wireless charging heat dissipation structure. The structure comprises a coil, a magnetic separation sheet, a heat dissipation piece and a back glue. The magnetic separation sheet is arranged between the coil and the heat dissipation piece. The back glue is arranged on one side of the coil, wherein the side is deviated from the magnetic separation sheet. The coil is used for receiving 100K-6.78MHZ wireless charging signal. The invention also discloses mobile electronic equipment. The mobile electronic equipment comprises the wireless charging heat dissipation structure. In the invention, through changing a heat dissipation component placing position of the wireless charging heat dissipation structure, an extra accessory or a procedure does not need to be added, a thickness of the wireless charging heat dissipation structure is effectively reduced and a coil temperature rise is decreased.
Description
Technical field
The present invention relates to wireless charging technical field, relate in particular to a kind of wireless charging radiator structure and mobile electronic device.
Background technology
Wireless charging is energy-delivering by the mode of inductance coupling high, therefore between wireless charging device and power device, need not connect by electric wire, can do auto levelizer and exposes without conductive junction point and have advantages of easy to use, highly versatile. But wireless charging easily produces heat in charging process, and for portable electric appts, excess Temperature will affect stability and the working life of electronic equipment; Conventional wireless charging is that heat radiation and coil are put together, reduce the temperature of wireless charging in this, needing increases the thickness of charge coil, the heat producing to reduce coil, but this increases the thickness that causes portable electric appts, affects the experience effect of user to portable electric appts.
Summary of the invention
Main purpose of the present invention is to provide a kind of wireless charging radiator structure and mobile electronic device, the temperature that is intended to reduce the thickness of wireless charging radiator structure and reduces wireless charging.
For achieving the above object, the invention provides a kind of wireless charging radiator structure, comprise coil, antifreeze plate and radiating piece, described antifreeze plate is arranged between coil and radiating piece.
Preferably, described wireless charging radiator structure also comprises gum, and described gum is arranged on the side that coil deviates from antifreeze plate.
Preferably, described antifreeze plate and radiating piece are sheet.
Preferably, described coil is used for receiving the wireless charging signal of 100K ~ 6.78MHZ.
Preferably, the thickness of described wireless charging radiator structure is 0.5mm.
Preferably, the charge power of described wireless charging radiator structure is at 5W ~ 10W.
Preferably, the thickness of described coil can be 16um.
Preferably, the thickness of described antifreeze plate can be 250um.
Preferably, described radiating piece can thickness be 50um.
In addition, for achieving the above object, the present invention also provides a kind of mobile electronic device, and described mobile electronic device comprises wireless charging radiator structure as above.
The present invention, by changing the radiating piece placement location of wireless charging radiator structure, without extra annex or the operation of increasing, has effectively reduced the thickness of wireless charging radiator structure, and has reduced the temperature rise of coil.
Brief description of the drawings
Fig. 1 is the structural representation of wireless charging radiator structure one embodiment of the present invention;
Description of reference numerals: 1 is gum, 2 is coil, and 3 is antifreeze plate, and 4 is radiating piece, and 5 is feedback point.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of wireless charging radiator structure, with reference to Fig. 1, in one embodiment, this wireless charging radiator structure comprises coil, antifreeze plate and radiating piece, and described antifreeze plate is arranged between coil and radiating piece; When use, coil and radiating piece are all close to antifreeze plate setting, coil is provided with feedback point and is connected with electric terminal, electric terminal receives wireless charging signal by coil and charges, described antifreeze plate is used for preventing that wireless charging signal amplitude from injecting terminal inner side, the heat that described coil produces is delivered on radiating piece and is dispelled the heat by antifreeze plate, because whole coil passes heat simultaneously, direction of transfer is clear and definite simultaneously, therefore radiating effect is evenly quick, can reduce the thickness of wireless charging radiator structure and not reduce the effect of wireless charging radiator structure.
In middle power charging system (5W ~ 10W), the thickness of conventional middle merit Wireless charging coil is between 1.3 ~ 1.8mm; In the present embodiment, in the routine of employing 1.3mm thickness, the coil (thickness of whole wireless charging radiator structure is 0.5mm) of merit Wireless charging coil and 16um thickness of the present invention is tested, experiment condition is room temperature: 25.5 ° of C, charging intervals are that 15min, charge power are 1.66A*6V, and its experimental data sees table:
| Antifreeze plate temperature | Coil temperature | Antifreeze plate temperature rise | Coil temperature rise | |
| Conventional wireless charging | 61.4°C | 54°C | 35.9°C | 28.5°C |
| Wireless charging of the present invention | 44.1°C | 42°C | 18.6°C | 16.5°C |
Table 1
From experimental result, the thickness of wireless charging radiator structure of the present invention only has 0.5mm, the conventional charge coil of comparing, and thickness has reduced 60%, and thickness reduces greatly, and the effect of reduction temperature rise has obtained greatly improving.
In the present embodiment, described coil, antifreeze plate and radiating piece are rectangular configuration, meet general electric terminal contour structures; Described antifreeze plate and radiating piece are sheet, are conducive to reduce the thickness of wireless charging radiator structure, increase the contact area between antifreeze plate and radiating piece, improve the heat transfer efficiency between antifreeze plate and radiating piece; Described coil is coated with glue-line outward, coil is by glue-line and antifreeze plate laminating, or, described wireless charging radiator structure also comprises gum, and described gum is arranged on the side that coil deviates from antifreeze plate, due to coil as thin as a wafer, therefore gum can be bonding by gap and the antifreeze plate of coil, thereby by coil and antifreeze plate laminating, and intercept without other materials between coil and antifreeze plate, improve heat transfer efficiency; Described coil can be plating, copper cash, coil with the form such as flexible PCB, radium carving of copper layer; Described coil is used for receiving the wireless charging signal of 100K ~ 6.78MHZ; Described antifreeze plate can be absorbing material and makes, and described absorbing material comprises ferrite, amorphous; Described radiating piece can be that the Heat Conduction Material such as graphite, Copper Foil is made; Preferably, the thickness of described coil can be 16um, and the thickness of gum can be 4um; The thickness of antifreeze plate can be 250um; Radiating piece can thickness be 50um; The thickness of described wireless charging radiator structure is for being 0.5mm; The charge power of described wireless charging radiator structure is at 5W ~ 10W.
The present invention also provides a kind of mobile electronic device, comprises above-mentioned wireless charging radiator structure, and the feedback point of described coil is connected with mobile electronic device.
The present embodiment is by changing the radiating piece placement location of wireless charging radiator structure, effectively reduce the thickness of wireless charging radiator structure, and reduce the temperature rise of coil, thereby improve stability and the working life of mobile electronic device, and reduce the thickness of mobile electronic device, promote the experience effect of user to mobile electronic device.
These are only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a wireless charging radiator structure, comprises coil, antifreeze plate and radiating piece, it is characterized in that, described antifreeze plate is arranged between coil and radiating piece.
2. wireless charging radiator structure as claimed in claim 1, is characterized in that, described wireless charging radiator structure also comprises gum, and described gum is arranged on the side that coil deviates from antifreeze plate.
3. wireless charging radiator structure as claimed in claim 1, is characterized in that, described antifreeze plate and radiating piece are sheet.
4. wireless charging radiator structure as claimed in claim 1, is characterized in that, described coil is used for receiving the wireless charging signal of 100K ~ 6.78MHZ.
5. wireless charging radiator structure as claimed in claim 1, is characterized in that, the thickness of described wireless charging radiator structure is 0.5mm.
6. wireless charging radiator structure as claimed in claim 1, is characterized in that, the charge power of described wireless charging radiator structure is at 5W ~ 10W.
7. wireless charging radiator structure as claimed in claim 1, is characterized in that, the thickness of described coil can be 16um.
8. wireless charging radiator structure as claimed in claim 1, is characterized in that, the thickness of described antifreeze plate can be 250um.
9. wireless charging radiator structure as claimed in claim 1, is characterized in that, described radiating piece can thickness be 50um.
10. a mobile electronic device, is characterized in that, described mobile electronic device comprises the wireless charging radiator structure as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667724.6A CN105610208A (en) | 2015-10-16 | 2015-10-16 | Wireless charging heat dissipation structure and mobile electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667724.6A CN105610208A (en) | 2015-10-16 | 2015-10-16 | Wireless charging heat dissipation structure and mobile electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105610208A true CN105610208A (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510667724.6A Pending CN105610208A (en) | 2015-10-16 | 2015-10-16 | Wireless charging heat dissipation structure and mobile electronic equipment |
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| CN (1) | CN105610208A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107426371A (en) * | 2017-09-07 | 2017-12-01 | 东莞市万丰纳米材料有限公司 | Wireless charging mobile phone radiating bonnet |
| CN109245325A (en) * | 2018-09-29 | 2019-01-18 | 深圳市美信电子有限公司 | It is a kind of to radiate every magnetic adhesive tape and wireless charging power receiver |
| CN110797990A (en) * | 2018-08-03 | 2020-02-14 | 法雷奥舒适驾驶助手公司 | Induction charging antenna structure, wireless charging module and motor vehicle |
| CN110880803A (en) * | 2019-12-17 | 2020-03-13 | 台达电子企业管理（上海）有限公司 | Wireless charging device |
| CN112332551A (en) * | 2020-10-22 | 2021-02-05 | 许继电源有限公司 | Heat dissipation structure of wireless charging coil and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107426371A (en) * | 2017-09-07 | 2017-12-01 | 东莞市万丰纳米材料有限公司 | Wireless charging mobile phone radiating bonnet |
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| CN110797990A (en) * | 2018-08-03 | 2020-02-14 | 法雷奥舒适驾驶助手公司 | Induction charging antenna structure, wireless charging module and motor vehicle |
| CN109245325A (en) * | 2018-09-29 | 2019-01-18 | 深圳市美信电子有限公司 | It is a kind of to radiate every magnetic adhesive tape and wireless charging power receiver |
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| CN110880803A (en) * | 2019-12-17 | 2020-03-13 | 台达电子企业管理（上海）有限公司 | Wireless charging device |
| CN110880803B (en) * | 2019-12-17 | 2022-02-15 | 台达电子企业管理（上海）有限公司 | Wireless charging device |
| US11581750B2 (en) | 2019-12-17 | 2023-02-14 | Delta Electronics (Shanghai) Co., Ltd. | Wireless charging device with enhanced charging power and increased charging speed |
| CN112332551A (en) * | 2020-10-22 | 2021-02-05 | 许继电源有限公司 | Heat dissipation structure of wireless charging coil and manufacturing method thereof |
| CN112332551B (en) * | 2020-10-22 | 2022-06-24 | 许继电源有限公司 | Heat dissipation structure of wireless charging coil and manufacturing method thereof |
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Application publication date: 20160525 |
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