CN207235347U - Wireless charger - Google Patents

Wireless charger Download PDF

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Publication number
CN207235347U
CN207235347U CN201721625590.2U CN201721625590U CN207235347U CN 207235347 U CN207235347 U CN 207235347U CN 201721625590 U CN201721625590 U CN 201721625590U CN 207235347 U CN207235347 U CN 207235347U
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CN
China
Prior art keywords
heat conducting
bottom cover
wireless charger
circuit board
heat
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.)
Active
Application number
CN201721625590.2U
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Chinese (zh)
Inventor
桑堇馨
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.)
Shenzhen Ranvoo Technology Co Ltd
Original Assignee
Shenzhen Ranvoo Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Ranvoo Technology Co Ltd filed Critical Shenzhen Ranvoo Technology Co Ltd
Priority to CN201721625590.2U priority Critical patent/CN207235347U/en
Application granted granted Critical
Publication of CN207235347U publication Critical patent/CN207235347U/en
Priority to PCT/CN2018/092152 priority patent/WO2019100708A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides a kind of wireless charger, including head cover, bottom cover and the wireless charging module being arranged between head cover and bottom cover, the wireless charging module includes circuit board and coil, the coil is placed on the circuit board or sets laterally side by side, and heat conducting element is equipped between the circuit board and the bottom cover.Heat on wireless charging module and circuit board can be transmitted to the bottom cover by the heat conducting element, so as to shed to the external world, avoid heat from assembling and cause temperature to raise.The good heat dissipation effect of the wireless charger of the utility model, work efficiency is high, safety and stability.

Description

Wireless charger
Technical field
Technical field of radio is the utility model is related to, particularly relates to wireless charger.
Background technology
Wireless charger is avoided using charging power cord, used by using the magnetic field transmission electric energy produced between coil It is convenient.Electronic equipment such as mobile phone etc. can all generate heat in charging process, and wireless charger currently on the market is almost not provided with appointing What heat dissipation element, or radiate only with metal base plate, cause its heat dissipation effect poor.Therefore the heat accumulation that can not be distributed in time is easy Cause the temperature of equipment itself to raise, influence the work efficiency and security of electronic equipment and wireless charger.
Utility model content
In view of the foregoing, it is necessary to provide a kind of improved wireless charger, it is with quick heat radiating, work efficiency The characteristics of height, safety and stability.
Technical solution provided by the utility model is:A kind of wireless charger, including head cover, bottom cover and are arranged at head cover Wireless charging module between bottom cover, the wireless charging module include circuit board and coil, and the coil is placed in the electricity Set on the plate of road or laterally side by side, heat conducting element is equipped between the circuit board and the bottom cover, the heat conducting element includes Metallic substrates and heat conducting film.
Further, the metallic substrates have towards the upper surface of the head cover and the lower surface towards the bottom cover, The heat conducting film is arranged on the upper surface or lower surface of the metallic substrates.
Further, the heat conducting film is nano heat-conductive film or non-nano heat conducting film, and the nano heat-conductive film is received including carbon Mitron film, graphene film, carbon-fiber film, one kind in nano paint film or combination.
Further, the carbon nano-tube film includes multiple vertically disposed carbon nano pipe arrays, the carbon nano-pipe array Row are directly contacted with the circuit board.
Further, the carbon nano-tube film further includes heat conducting base material, and the heat conducting base material coats each carbon nanotubes.
Further, the heat conducting base material is polymeric material, including silica gel series, polyethylene glycol, polyester, epoxy A kind of or combination in resin series, anoxic glue series or acryl glue series.
Further, side wall is extended in the direction of the bottom cover towards the wireless charging module, is opened up on the side wall There is heat emission hole.
Further, the inner surface of the bottom cover is coated with heat radiation coating.
Further, the metallic substrates of the heat conducting element are set directly at the inner surface of the bottom cover.
Compared with prior art, wireless charger provided by the utility model is equipped with heat conducting element, and the heat conducting element can The heat on wireless charging module and circuit board is transmitted to bottom cover, so as to shed to the external world, avoids heat from assembling and cause temperature Degree rise.The good heat dissipation effect of the wireless charger of the utility model, work efficiency is high, safety and stability.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structure diagram for the wireless charger that one embodiment of the utility model provides.
Fig. 2 is the structure diagram one of heat conducting element shown in Fig. 1.
Fig. 3 is the structure diagram two of heat conducting element shown in Fig. 1.
Fig. 4 is a structure diagram of bottom cover shown in Fig. 1.
Description of reference numerals:
Following embodiment will further illustrate the utility model embodiment with reference to above-mentioned attached drawing.
Embodiment
In order to be more clearly understood that the above-mentioned purpose of the utility model embodiment, feature and advantage, with reference to attached The utility model is described in detail in figure and embodiment.It should be noted that in the case where there is no conflict, the application Embodiment in feature can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model embodiment, it is described Embodiment be only a part of embodiment of the utility model, rather than whole embodiment.Based in the utility model Embodiment, the every other embodiment party that those of ordinary skill in the art are obtained without making creative work Formula, belongs to the scope of the utility model embodiment protection.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to the utility model embodiment The normally understood implication of those skilled in the art is identical.Herein in the term used in the description of the utility model It is intended merely to the purpose of description specific embodiment, it is not intended that in limitation the utility model embodiment.
Wireless charger 100 in one embodiment of the utility model is passes through the wireless of magnetic field transmission electric energy that coil produces Charging equipment, such as phone charger etc. are easy to use its role is to avoid using charging power cord.The wireless charging Device 100 includes head cover 10, bottom cover 20 and the wireless charging module 30 being arranged between head cover 10 and bottom cover 20, the wireless charging Electric module 30 includes circuit board 31 and coil 32, and the coil 32 is placed in the top of circuit board 31 or sets laterally side by side, Heat conducting element 40 is equipped between the circuit board 31 and the bottom cover 20, the heat conducting element 40 includes metallic substrates 41 and leads Hotting mask 42.The heat conducting element 40 distributes it for transmitting heat in time.
Referring to Fig. 1, the head cover 10 is the outer guard of the wireless charging module 30, combined to form with the bottom cover 20 The housing of closure, the head cover 10 is disc, arranged on the top of the wireless charger 100.
Referring to Fig. 1, the wireless charging module 30 includes circuit board 31 and the coil 32 being arranged on circuit board 31, To realize the key working part of wireless charging, mainly using electromagnetic induction principle, energy coupling is carried out by the coil 32 Realize energy transmission, the coil 32 and the circuit board 31 are disc, and the coil 32 is fixed on the circuit board 31 Center.Magnetic conduction sheet is equipped between the coil 32 and the circuit board 31.The bottom surface of the circuit board 31 is equipped with electricity Subcomponent, for transferring heat to the lower section of circuit board 31, while the magnetic line of force is transmitted towards 32 direction of coil.
In other embodiments, the coil 32 can be set laterally side by side with the circuit board 31.
Also referring to Fig. 1 and Fig. 2, the heat conducting element 40 is arranged between the circuit board 31 and the bottom cover 20, institute 40 section of heat conducting element is stated as circle, including metallic substrates 41 and heat conducting film 42, the metallic substrates 41 are set directly at described The inner surface of bottom cover 20.The metallic substrates 41 have towards the upper surface of the head cover 10 and the following table towards the bottom cover 20 Face, the heat conducting film 42 are arranged on the upper surface of the metallic substrates 41.The heat conducting film 42 is carbon nano-tube film, including multiple Vertically disposed 421 array of carbon nanotubes, 421 array of carbon nanotubes are directly contacted with the circuit board 31.The circuit The heat that plate 31 produces is transferred to the bottom cover 20 through the carbon nanotubes 421 and the metallic substrates 41 successively, then distributes Go out.The heat conducting film 42 further includes the heat conducting base material 422 of epoxy resin series, and the heat conducting base material 422 coats each described Carbon nanotubes 421.
Also referring to Fig. 1 and Fig. 3, the heat conducting element 40 is arranged between the circuit board 31 and the bottom cover 20, institute 40 section of heat conducting element is stated as circle, including metallic substrates 41 and heat conducting film 42, the metallic substrates 41 have towards the top The upper surface of lid 10 and the lower surface towards the bottom cover 20, the heat conducting film 42 are arranged on the following table of the metallic substrates 41 Face.The heat conducting film 42 is carbon nano-tube film, including multiple 421 arrays of vertically disposed carbon nanotubes, the carbon nanotubes 421 Array is directly contacted with the bottom cover 20, and the metallic substrates 41 are directly contacted with the circuit board 31.The circuit board 31 produces Raw heat is transferred to the bottom cover 20 through the metallic substrates 41, the carbon nanotubes 421 successively, then distributes.
In other embodiments, 40 section of heat conducting element can be other shapes;The heat conducting base material 422 can be Including a kind of in silica gel series, polyethylene glycol, polyester, epoxy resin series, anoxic glue series or acryl glue series or Combination.The heat conducting film 42 can also be that carbon nanotubes, graphene film, carbon-fiber film, nano paint film be a kind of or combination is received Rice heat conducting film, or non-nano heat conducting film, such as graphite flake.
Also referring to Fig. 1 and Fig. 4, the bottom cover 20 is hollow disc shape, and the bottom cover 20 is towards the wireless charging Side wall is extended in the direction of module 30, and heat emission hole 21 is offered on the side wall, and quantity is 4, circumferential symmetrical.
In other embodiments, the heat emission hole 21 can random distribution;Institute can also be opened up on the bottom surface of the bottom cover 20 State heat emission hole 21;The inner surface of the bottom cover 20 can be coated with heat radiation coating.
Embodiment of above is only unrestricted to illustrate the technical solution of the utility model embodiment, although with reference to more than The utility model embodiment is described in detail in better embodiment, it will be understood by those of ordinary skill in the art that, can Modified with the technical solution to the utility model embodiment or equivalent substitution should not all depart from the utility model embodiment The spirit and scope of technical solution.

Claims (8)

1. a kind of wireless charger, including head cover, bottom cover and the wireless charging module being arranged between head cover and bottom cover, described Wireless charging module includes circuit board and coil, and the coil is placed on the circuit board or sets laterally side by side, its feature exists In:Heat conducting element is equipped between the circuit board and the bottom cover, the heat conducting element includes metallic substrates and heat conducting film.
2. wireless charger according to claim 1, it is characterised in that:The metallic substrates have towards the head cover Upper surface and the lower surface towards the bottom cover, the heat conducting film are arranged on the upper surface or lower surface of the metallic substrates.
3. wireless charger according to claim 1, it is characterised in that:The heat conducting film is carbon nano-tube film, the carbon Nanotube films are to include multiple vertically disposed carbon nano pipe arrays, and the carbon nano pipe array directly connects with the circuit board Touch.
4. wireless charger according to claim 1, it is characterised in that:The heat conducting film is graphite flake.
5. wireless charger according to claim 3, it is characterised in that:The carbon nano-tube film further includes heat conducting base material, The heat conducting base material coats each carbon nanotubes.
6. wireless charger according to claim 1, it is characterised in that:The bottom cover is towards the wireless charging module Side wall is extended in direction, and heat emission hole is offered on the side wall.
7. wireless charger according to claim 1, it is characterised in that:The inner surface of the bottom cover is coated with heat-radiation coating Material.
8. wireless charger according to claim 1, it is characterised in that:The metallic substrates of the heat conducting element are directly set In the inner surface of the bottom cover.
CN201721625590.2U 2017-11-22 2017-11-22 Wireless charger Active CN207235347U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201721625590.2U CN207235347U (en) 2017-11-22 2017-11-22 Wireless charger
PCT/CN2018/092152 WO2019100708A1 (en) 2017-11-22 2018-06-21 Wireless charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721625590.2U CN207235347U (en) 2017-11-22 2017-11-22 Wireless charger

Publications (1)

Publication Number Publication Date
CN207235347U true CN207235347U (en) 2018-04-13

Family

ID=61850803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721625590.2U Active CN207235347U (en) 2017-11-22 2017-11-22 Wireless charger

Country Status (2)

Country Link
CN (1) CN207235347U (en)
WO (1) WO2019100708A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019100708A1 (en) * 2017-11-22 2019-05-31 深圳市蓝禾技术有限公司 Wireless charger
CN109936188A (en) * 2018-11-30 2019-06-25 厦门立琪电子有限公司 A kind of induction wireless charger
CN110539658A (en) * 2019-09-05 2019-12-06 厦门理工学院 Wireless charging emitter compression resistance device capable of achieving convection heat dissipation for electric vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107078515B (en) * 2014-12-16 2022-03-01 惠普发展公司,有限责任合伙企业 Wireless charger
CN105679723B (en) * 2015-12-29 2018-12-14 华为技术有限公司 A kind of thermal interfacial material and preparation method thereof, thermally conductive sheet and cooling system
CN205385351U (en) * 2016-01-27 2016-07-13 苏阳 Wireless charger of heat dissipation type
JP6515838B2 (en) * 2016-02-26 2019-05-22 株式会社デンソー Member with carbon nanotube, method for manufacturing the same, and apparatus for manufacturing the same
CN207235347U (en) * 2017-11-22 2018-04-13 深圳市蓝禾技术有限公司 Wireless charger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019100708A1 (en) * 2017-11-22 2019-05-31 深圳市蓝禾技术有限公司 Wireless charger
CN109936188A (en) * 2018-11-30 2019-06-25 厦门立琪电子有限公司 A kind of induction wireless charger
CN110539658A (en) * 2019-09-05 2019-12-06 厦门理工学院 Wireless charging emitter compression resistance device capable of achieving convection heat dissipation for electric vehicle

Also Published As

Publication number Publication date
WO2019100708A1 (en) 2019-05-31

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