CN205902298U - Wireless charging device - Google Patents
Wireless charging device Download PDFInfo
- Publication number
- CN205902298U CN205902298U CN201620684918.7U CN201620684918U CN205902298U CN 205902298 U CN205902298 U CN 205902298U CN 201620684918 U CN201620684918 U CN 201620684918U CN 205902298 U CN205902298 U CN 205902298U
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- CN
- China
- Prior art keywords
- wireless charging
- charging device
- graphite flake
- primary coil
- phase
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 47
- 229910002804 graphite Inorganic materials 0.000 claims description 46
- 239000010439 graphite Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 44
- 238000002513 implantation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000012782 phase change material Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- LLYXJBROWQDVMI-UHFFFAOYSA-N 2-chloro-4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1Cl LLYXJBROWQDVMI-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The utility model discloses a wireless charging device, wireless charging device includes the casing, locates battery and primary in the casing, wherein still be equipped with the heat dissipation layer in the casing, just the heat dissipation layer sets up between primary and casing. The utility model provides a heat diffusion that wireless charging device can be rapidly produces primary is opened, comfort level when the reinforcing user charges.
Description
Technical field
This utility model is related to a kind of wireless charging device.
Background technology
At present, wireless charging technology has compared popularization, and such as smart mobile phone employs wireless charging, or implantable medical
Instrument has also adopted wireless charging.But substantial amounts of heat can be produced when charging, harmful effect can be produced to user, greatly reduce
The comfort of user.In addition, battery temperature raises, the life-span of battery also can be affected.Designer is in order to solve above-mentioned asking
Topic, in existing wireless charging device using high thermal conductivity material and high magnetic permeability combination of materials using come to wireless charging device
In battery radiated, with attempt reduce battery temperature.But, the outer surface of outer cover temperature of wireless charging device is had no
Optimized Measures that is to say, that the skin temperature of charging device is still higher, because shell can the skin of directly contact user or list
On clothing, thus greatly reducing the comfort level of user.
Utility model content
The purpose of this utility model is to provide a kind of wireless charging device, and this wireless charging device can be rapidly by primary line
The heat diffusion that circle produces is opened, and slows down temperature rise speed, thus strengthening comfort level when user charges.
For realizing above-mentioned utility model purpose, this utility model one embodiment provides a kind of wireless charging device, described
Wireless charging device includes housing, the battery in described housing and primary coil, is additionally provided with radiating in wherein said housing
Layer, and described heat dissipating layer is arranged between primary coil and housing.
As the improvement further of this utility model one embodiment, described heat dissipating layer includes graphite flake or sheet copper.
As the improvement further of this utility model one embodiment, described graphite flake defines a plane, described graphite
Projection section on the plane is overlapping with described primary coil for piece projection on the plane, and described graphite flake is outside
The outward flange projection on the plane being formed of extending is located at the projection on the plane of the outward flange of described primary coil
Periphery.
As the improvement further of this utility model one embodiment, described graphite flake is set to multiple, the plurality of stone
There is between ink sheet gap.
As the improvement further of this utility model one embodiment, described graphite flake is set to four, described graphite flake
For trapezoidal or rectangle, described four graphite flakes are symmetrical.
As the improvement further of this utility model one embodiment, the gap between described graphite flake is more than or equal to
2mm.
As the improvement further of this utility model one embodiment, described primary coil is circle, in described gap
Heart line passes through the center of circle of described primary coil.
As the improvement further of this utility model one embodiment, described primary coil has internal ring space, described stone
Ink sheet defines a plane, described internal ring space on the plane projection with the projection on the plane of described graphite flake
Not overlapping.
As the improvement further of this utility model one embodiment, be additionally provided with the housing of described wireless charging device through
The phase-transition material of flexible pouch sealing.
As the improvement further of this utility model one embodiment, described phase-transition material be located at described battery with described
Between primary coil.
As the improvement further of this utility model one embodiment, described phase-transition material is located at described heat dissipating layer and institute
State between housing.
As the improvement further of this utility model one embodiment, described phase-transition material is located at described primary coil
Periphery, and described phase-transition material is positioned between described heat dissipating layer and described battery.
As the improvement further of this utility model one embodiment, described phase-transition material embeds described case inside
Wall.
As the improvement further of this utility model one embodiment, described phase-transition material is paraffin.
As the improvement further of this utility model one embodiment, described wireless charging device is used for wireless charging type and plants
Enter Medical Instruments.
Compared with prior art, the beneficial effects of the utility model are: by described primary coil and described housing
Between heat dissipating layer is set, and coordinate phase-transition material so that the heat that can produce primary coil rapidly of this wireless charging device
Amount spreads apart, thus eliminating the focus of the lower surface of housing outer surface, reducing maximum temperaturerise, being sent out by phase-transition material simultaneously
Absorb amount of heat during raw phase change and slow down rate of rise in temperature, and then enhance comfort level when user charges.
Brief description
Fig. 1 is the sectional view of wireless charging device in this utility model first embodiment；
Fig. 2 is the position relationship of the primary coil of wireless charging device and graphite flake in this utility model first embodiment
Schematic diagram；
Fig. 3 is the sectional view of wireless charging device in this utility model second embodiment；
Fig. 4 is the sectional view of wireless charging device in this utility model the 3rd embodiment；
Fig. 5 is the sectional view of wireless charging device in this utility model the 4th embodiment.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, this utility model is described in detail.But these embodiment party
Formula is not intended to limit this utility model, structure that those of ordinary skill in the art is made according to these embodiments, method or
Conversion functionally is all contained in protection domain of the present utility model.
As depicted in figs. 1 and 2, the first preferred embodiment that this utility model provides, this embodiment discloses a kind of wireless
Charging device, wireless charging device includes housing 8, is provided with battery 12 and primary coil 14 in housing 8.In addition, also setting in housing 8
There is heat dissipating layer 16, and heat dissipating layer 16 is arranged between primary coil 14 and housing 8.In addition, adjacent cells 12 be additionally provided with pcb plate,
Auxiliary stand and attachment means etc., in figure is not shown.
In this preferred embodiment, by arranging heat dissipating layer 16 between primary coil 14 and housing 8, heat dissipating layer 16 is close to just
Level coil 14, the close contact of the two can strengthen radiating effect so that wireless charging device can be rapidly by primary coil
The heat diffusion of 14 generations is opened, thus eliminating the focus of the lower surface of housing 8 outer surface, reduces wireless charging device
High temperature rise, and then enhance comfort level when user charges.
Further, heat dissipating layer 16 includes graphite flake.Because graphite flake 16 heat conductivity is high, therefore so that primary coil
The heat of 14 generations can more rapidly spread apart, and further improves comfort level when user charges.Certainly, heat dissipating layer
16 can also be arranged to including other class cooling material such as sheet copper, carbon fiber, CNT, Graphene.
In addition, particularly with the larger product of primary coil 14 heat power consumption of wireless charging device, user can be greatly enhanced
Temperature rise is experienced, and improves the comfort level of user.Furthermore, the material that this preferred embodiment uses is conventional heat sink material, and saves
Electromagnetic shielding material, thus greatly save radiating cost.
Graphite flake 16 defines a plane, and projection in above-mentioned plane for the graphite flake 16 and primary coil 14 are in above-mentioned plane
On projection section overlapping.Because the heat power consumption on primary coil 14 circularizes distribution, Er Qiechu substantially along primary coil 14
Level coil 14 is the high copper of heat conductivity in itself, and therefore, graphite flake 16 has part projection to overlap with primary coil 14.Separately
Outward, primary coil 14 has inward flange 15 and outward flange 17, is internal ring space within inward flange 15.Graphite flake 16 inwardly extension shape
The inner edge becoming is located at the inward flange 15 of primary coil 14 and outward flange 17 respectively in above-mentioned plane in the projection in above-mentioned plane
Projection between.In addition, graphite flake 16 outwards extends, projection in above-mentioned plane for the outward flange of formation is located at just
The periphery of projection in above-mentioned plane for the outward flange 17 of level coil.
Further, the projection in above-mentioned plane is overlapping with primary coil 14 in the projection in above-mentioned plane for graphite flake 16
Partial area accounts for the half of projected area in above-mentioned plane for the primary coil 14.
Because graphite flake 16 is conductor, low about two orders of magnitude of general Conductivity Ratio good conductor cu, but remain to produce one
Fixed vortex, therefore avoids a big block graphite flake 16 can increase graphite flake 16 resistance, reduces the eddy-current loss of graphite flake 16
Extremely minimum.It is preferred that graphite flake 16 is set to multiple therefore in this preferred embodiment, between multiple graphite flakes 16, there is gap.
Specifically, graphite flake 16 is set to four, and graphite flake 16 is trapezoidal, and four graphite flakes 16 are symmetrically distributed.Certainly, graphite flake
16 it can also be provided that rectangle, and symmetrical is distributed.
In addition, the gap between graphite flake 16 is more than or equal to 2mm.Further, primary coil 14 is circle, graphite flake
The centrage in the gap between 16 passes through the center of circle of primary coil 14.
In this preferred embodiment, graphite flake 16 defines a plane, the internal ring space within the inward flange of primary coil 14
In the projection in above-mentioned plane, the projection in above-mentioned plane is not overlapping with graphite flake 16.It is, graphite flake 16 also has sky
The structure of the heart, hollow area is more than the area in internal ring space, does not have stone in the drop shadow spread in internal ring space of primary coil 14
Ink sheet 16.Originally, in being preferable to carry out, wireless charging device is used for wireless charging type implantation medical instrument.Certainly, this wireless charging Denso
Put and apply also for Other Instruments or equipment.
As shown in figure 3, the second preferred embodiment that this utility model provides, this embodiment disclose a kind of wireless charging Denso
Put, only the preferred embodiment is described in detail from the different of first embodiment below, other all identical with first embodiment.Should
Preferred embodiment relative to first preferred embodiment, except using graphite flake 16(referring to Fig. 1) in addition to, increased phase-transition material 18.
Specifically, after flexible pouch sealing in housing 8, phase-change material, after fexible film sealing, can absorb phase-transition material 18
The heat of surrounding.Further, phase-transition material 18 is arranged between primary coil 14 and battery 12.So, originally
When the resistance of the electric current in level coil 14 or primary coil 14 is bigger, the heat absorption that can produce primary coil 14 is fallen
A part.In this preferred embodiment, phase-transition material 18 is paraffin.It is of course also possible to using other class phase transformation materials 18.
In this preferred embodiment, after phase-transition material 18, the heat flow that primary coil 14 produces needs through phase transformation
Change material 18 and get to housing 8 outer surface, and phase-transition material 18 is absorbed by heat when reaching phase transformation temperature pointses and not
Heating up, thus significantly having delayed the temperature rise of housing 8 outer surface, improving temperature rise when to internal wireless charging for the user further
Experience is it is possible to extend the charging interval at a temperature of comfortable.
In addition, being the radiating effect further expanding primary coil 14, wireless charging device also includes phase-transition material
19.Equally, after phase-transition material 19 seals through flexible pouch in housing 8.Specifically, phase-transition material 19 is located at heat dissipating layer 16
And housing 8 between.So, preferably reduce the temperature rise speed of housing 8 lower surface, improve the experience of user.
Of course, it is possible to arrange phase-transition material 18 only between primary coil 14 and battery 12.Also can be only in heat dissipating layer 16
Phase-transition material 19 is set and housing 8 between.In addition, phase-transition material also both can be arranged between primary coil 14 and battery 12
18, and phase-transition material 19 is set between heat dissipating layer 16 and housing 8.
Equally, in being originally preferable to carry out, wireless charging device is used for wireless charging type implantation medical instrument.Certainly, this is wireless
Charging device applies also for Other Instruments or equipment.
As shown in figure 4, the third preferred embodiment that this utility model provides, only real with second to the preferred embodiment below
The difference applying example is described in detail, other all identical with second embodiment.In the preferred embodiment, wireless charging device includes phase
Change material 22.Equally, after phase-transition material 22 seals through flexible pouch in housing 8.From unlike second embodiment, phase
Change material 22 is located at the periphery of primary coil 14, and phase-transition material 22 is located between heat dissipating layer 16 and battery 12.As this
Another kind of scheme of embodiment, phase-transition material 22 can also be arranged at the inner side of primary coil 14, that is, be close to primary coil 22
Medial wall arrange, and phase-transition material 22 be located between heat dissipating layer 16 and battery 12.Preferably, in being originally preferable to carry out
Wireless charging device is used for wireless charging type implantation medical instrument.Certainly, this wireless charging device also apply be applicable to Other Instruments
Or equipment.
As shown in figure 5, the 4th preferred embodiment that this utility model provides, equally only real with second to the preferred embodiment
The difference applying example is described in detail, and is no longer described in detail with second embodiment identical part.In the preferred embodiment, wireless charging
Electric installation equally includes phase-transition material 24, and wherein phase-transition material 24 embeds the medial wall of housing 8.Preferably, phase change material
Material 24 is embedded into the side adjacent to heat dissipating layer 16 for the housing 8.Equally, the wireless charging device in being originally preferable to carry out is used for wireless charging
Formula implantation medical instrument.Certainly, this wireless charging device also apply be applicable to Other Instruments or equipment.
It should be understood that although this specification is been described by according to embodiment, but not each embodiment only comprises one
Individual independent technical scheme, only for clarity, those skilled in the art should will say this narrating mode of description
As an entirety, the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment understanding.
The a series of detailed description of those listed above is only for the tool of feasibility embodiment of the present utility model
Body illustrates, they are simultaneously not used to limit protection domain of the present utility model, all is made without departing from this utility model skill spirit
Equivalent implementations or change should be included within protection domain of the present utility model.
Claims (15)
1. a kind of wireless charging device, described wireless charging device includes housing, the battery in described housing and primary line
Circle is it is characterised in that be additionally provided with heat dissipating layer in described housing, and described heat dissipating layer is arranged between primary coil and housing.
2. wireless charging device according to claim 1 is it is characterised in that described heat dissipating layer includes graphite flake or thin copper
Skin.
3. wireless charging device according to claim 2 is it is characterised in that described graphite flake defines a plane, described
Projection section on the plane is overlapping with described primary coil for graphite flake projection on the plane, and described graphite flake
The outward flange being formed projection on the plane of outwards extending is located at the outward flange of described primary coil on the plane
The periphery of projection.
4. wireless charging device according to claim 2 it is characterised in that described graphite flake be set to multiple, described many
Between individual graphite flake, there is gap.
5. wireless charging device according to claim 4 is it is characterised in that described graphite flake is set to four, described stone
Ink sheet is trapezoidal or rectangle, and described four graphite flakes are symmetrical.
6. wireless charging device according to claim 4 is it is characterised in that the gap between described graphite flake is more than or waits
In 2mm.
7. wireless charging device according to claim 4 is it is characterised in that described primary coil is circle, described gap
Centrage by the center of circle of described primary coil.
8. wireless charging device according to claim 2 is it is characterised in that described primary coil has internal ring space, institute
State graphite flake and define a plane, the projection on the plane of described internal ring space is with described graphite flake on the plane
Projection is not overlapping.
9. wireless charging device according to claim 1 is it is characterised in that be additionally provided with described housing through flexible pouch sealing
Phase-transition material.
10. wireless charging device according to claim 9 is it is characterised in that described phase-transition material is located at described battery
And described primary coil between.
11. wireless charging devices according to claim 9 are it is characterised in that described phase-transition material is located at described radiating
Between layer and described housing.
12. wireless charging devices according to claim 9 are it is characterised in that described phase-transition material is located at described primary
The periphery of coil, and described phase-transition material is positioned between described heat dissipating layer and described battery.
13. wireless charging devices according to claim 9 are it is characterised in that described phase-transition material embeds described housing
Medial wall.
14. wireless charging devices according to any one of claim 9 to 13 are it is characterised in that described phase-transition material is
Paraffin.
15. wireless charging devices according to any one of claim 1 to 13 are it is characterised in that described wireless charging device
For wireless charging type implantation medical instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620684918.7U CN205902298U (en) | 2016-07-01 | 2016-07-01 | Wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620684918.7U CN205902298U (en) | 2016-07-01 | 2016-07-01 | Wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205902298U true CN205902298U (en) | 2017-01-18 |
Family
ID=57770633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620684918.7U Active CN205902298U (en) | 2016-07-01 | 2016-07-01 | Wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205902298U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105916363A (en) * | 2016-07-01 | 2016-08-31 | 苏州景昱医疗器械有限公司 | Wireless charging device |
| TWI706424B (en) * | 2018-06-27 | 2020-10-01 | 合利億股份有限公司 | Wireless charging coil |
| CN112531920A (en) * | 2020-12-08 | 2021-03-19 | 信维通信（江苏）有限公司 | Wireless charging module and wireless charging device |
| WO2022070156A1 (en) * | 2020-10-01 | 2022-04-07 | Cochlear Limited | Heat management of prostheses |
-
2016
- 2016-07-01 CN CN201620684918.7U patent/CN205902298U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105916363A (en) * | 2016-07-01 | 2016-08-31 | 苏州景昱医疗器械有限公司 | Wireless charging device |
| TWI706424B (en) * | 2018-06-27 | 2020-10-01 | 合利億股份有限公司 | Wireless charging coil |
| WO2022070156A1 (en) * | 2020-10-01 | 2022-04-07 | Cochlear Limited | Heat management of prostheses |
| CN112531920A (en) * | 2020-12-08 | 2021-03-19 | 信维通信（江苏）有限公司 | Wireless charging module and wireless charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building C16, biological nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee after: Jingyu Medical Technology (Suzhou) Co.,Ltd. Address before: 215123 C16, biological nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee before: SCENERAY Co.,Ltd. |
|
| CP03 | Change of name, title or address |