CN209581174U - A kind of wireless charging device - Google Patents
A kind of wireless charging device Download PDFInfo
- Publication number
- CN209581174U CN209581174U CN201822072518.2U CN201822072518U CN209581174U CN 209581174 U CN209581174 U CN 209581174U CN 201822072518 U CN201822072518 U CN 201822072518U CN 209581174 U CN209581174 U CN 209581174U
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- China
- Prior art keywords
- layer
- coil
- wireless charging
- charging device
- magnetic material
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of wireless charging device, is specifically applied in electric car, and the wireless charging device includes: coil and the magnetic die group that combines with the coil；The magnetic die group includes: to be located in the middle magnetic material layer, the insulating radiation layer positioned at the magnetic material layer side, the insulating radiation shielded layer positioned at the magnetic material layer other side, the coil is located on the another side of the insulating radiation layer, conducting wire forms the coil in a manner of spiral winding in a plane, and the terminals to form the coil are extended at the both ends of the conducting wire.The utility model uses modularized design, it is advantageously implemented mass, the lightweight production of wireless charging product, the size for reducing wireless charging product is also helped simultaneously, reduces the production material cost and transportation cost of product, and then be conducive to the promotion and application of product.
Description
Technical field
The utility model relates to electric vehicle engineering field more particularly to it is a kind of be specifically applied to it is wireless in electric car
Charging unit.
Background technique
With the development of science and technology and the status of response environment problem, new-energy automobile has obtained quickly in recent years
Development.Electric car in new-energy automobile, as power source, realizes electricity using clean energy resource using high-energy-density battery pack
It can conversion.Currently, the battery pack of electric car relies primarily on charging pile, and charged by wired mode, however it is wired
The mode convenience and versatility of charging are subject to certain restrictions.Therefore, wireless charging system can be used in existing electric car
System charges.
In the wireless charging system of electric car, two important components are magnetic material and coil.However, in reality
The problem of in production, that there are sizes is big for magnetic material and coil, weight is big, operability is not strong, is unfavorable for mass production, seriously
Hinder the popularization of electric car wireless charging.Therefore, in view of the above-mentioned problems, it is necessary to propose further solution.
Utility model content
The utility model is intended to provide a kind of wireless charging device, to overcome the deficiencies in the prior art.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of wireless charging device, is specifically applied in electric car, the wireless charging device include: coil and
The magnetic die group combined with the coil；
The magnetic die group include: be located in the middle magnetic material layer, positioned at the magnetic material layer side insulation dissipate
Thermosphere, the insulating radiation shielded layer positioned at the magnetic material layer other side, the coil are located at the another of the insulating radiation layer
On on one side, conducting wire forms the coil in a manner of spiral winding in a plane, and the both ends of the conducting wire are extended
Form the terminals of the coil.
The improvement of wireless charging device as the utility model, the magnetic material layer are laid with by ferrite block.
The improvement of wireless charging device as the utility model, the magnetic material layer are nanocrystalline.
The improvement of wireless charging device as the utility model, the insulating radiation layer are compound by insulating layer and heat dissipating layer
It forms, wherein the heat dissipating layer is between the insulating layer and magnetic material layer.
The improvement of wireless charging device as the utility model, the heat dissipating layer are graphene layer or graphite linings, institute
Stating insulating layer is one of glass layer, mica sheet or potsherd.
The improvement of wireless charging device as the utility model, the insulating radiation shielded layer is by insulating layer, heat dissipating layer
And shielded layer is combined, the magnetic material layer, heat dissipating layer, shielded layer are cascading.
The improvement of wireless charging device as the utility model, the heat dissipating layer are graphene layer or graphite linings, institute
Stating insulating layer is XX, and the shielded layer is aluminium foil layer.
The improvement of wireless charging device as the utility model, the section for forming the conducting wire of the coil is rectangle.
Compared with prior art, the utility model has the beneficial effects that the utility model uses modularized design, be conducive to
It realizes mass, the lightweight production of wireless charging product, while also helping the size for reducing wireless charging product, reduce and produce
The production material cost and transportation cost of product, and then be conducive to the promotion and application of product.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments recorded in the utility model, for those of ordinary skill in the art, is not making the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the perspective exploded view of the wireless charging device of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the wireless charging device of the utility model is specifically applied in electric car, as vehicle-mounted side or
The wireless charging device of ground side uses.Above-mentioned wireless charging device includes: coil 1 and the magnetism that combines with the coil 1
Mould group 2.
The magnetic die group 2 is located at the side of the coil 1, is used to carry out magnetic conduction to the magnetic field that coil 1 generates, described
Magnetic die group 2 uses integrated design comprising: magnetic material layer, 21 are located in the middle positioned at the magnetic material layer side
Insulating radiation layer 22, the insulating radiation shielded layer 23 positioned at the magnetic material layer other side, above layers structure successively layer
Folded setting.In this way, can be packaged each layer structure to form magnetic die group 2 in advance, and then avoid existing wireless charging device
In production process, the defect of each layer structure successively compound fixation is needed.
In one embodiment, the magnetic material layer 21 is laid with by ferrite block, alternatively, the magnetic material
Layer 21 is nanocrystalline.Preferably, when use is nanocrystalline is used as magnetic material layer 21, in above-mentioned each structure, insulating radiation layer 22
With a thickness of 0.15~0.3mm, magnetic material layer 21 with a thickness of 1.2~5mm, insulating radiation shielded layer 23 with a thickness of 0.35
~0.5mm.
Further, the insulating radiation layer 22 is combined by insulating layer and heat dissipating layer, wherein the heat dissipating layer is located at
Between the insulating layer and magnetic material layer.Preferably, the heat dissipating layer can be graphene layer or graphite linings, the insulation
Layer can be one of glass layer, mica sheet or potsherd.At this point, insulating layer with a thickness of 0.1~0.2mm, dissipate
Thermosphere with a thickness of 0.05~0.1mm.
The insulating radiation shielded layer 23 is combined by insulating layer, heat dissipating layer and shielded layer, the magnetic material layer,
Heat dissipating layer, shielded layer are cascading.Preferably, the heat dissipating layer is graphene layer or graphite linings, and the insulating layer is
XX, the shielded layer are aluminium foil layer.At this point, insulating layer with a thickness of 0.1~0.2mm, heat dissipating layer with a thickness of 0.05~
0.1mm, shielded layer with a thickness of 0.2~2mm.
The coil 1 is when the wireless charging device of the utility model is as ground side, as reception AC excitation electric current
Coil uses；When the wireless charging device of the utility model is as vehicle-mounted side, used as energy receiving coil.
Specifically, the coil 1 is located on the another side of the insulating radiation layer 22, and conducting wire is in a plane with spiral
The mode of winding forms the coil 1, and the terminals to form the coil 1 are extended at the both ends of the conducting wire.Both ends
Terminals are drawn in an overlapping manner, it is preferable that the section for forming the conducting wire of the coil 1 is rectangle.So set, section is
When the conducting wire of rectangle is drawn compared to existing section for the overlapping of circular conducting wire, the thickness of coil is advantageously reduced.
When the coil 1 is used in combination with magnetic die group 2, it is fixed by coil mounting plate (not shown).At this point, institute
It states coil 1 to be embedded in the winding slot of the coil mounting plate one side, the winding slot recess is set to the coil mounting plate
On on one side, as needed, the winding slot can be shaped to spiral shape etc..Preferably, the material of the coil mounting plate
Matter is SMC material (Sheet Molding Compound sheet molding compound).In addition, the coil mounting plate is installed on a top cover
On plate (not shown), the lamina tecti and the coil mounting plate can carry out locking fixation by screw.
It is replaced in embodiment another, integrated design can also be used in the coil 1 and lamina tecti (not shown), with reality
The thickness of coil mould group is now reduced, and simplifies the purpose of the production technology of coil mould group.At this point, the coil mould group packet
It includes: lamina tecti and coil 1.The upper directly recess of lamina tecti one side is provided with winding slot, and the coil 1 is directly embedded in institute
It states in winding slot.
In conclusion the utility model uses modularized design, it is advantageously implemented mass, the light weight of wireless charging product
Metaplasia produces, while also helping the size for reducing wireless charging product, reduces the production material cost and transportation cost of product, into
And be conducive to the promotion and application of product.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of wireless charging device, is specifically applied in electric car, which is characterized in that the wireless charging device packet
It includes: coil and the magnetic die group combined with the coil；
The magnetic die group include: be located in the middle magnetic material layer, positioned at the magnetic material layer side insulating radiation layer,
Insulating radiation shielded layer positioned at the magnetic material layer other side, the coil are located at the another side of the insulating radiation layer
On, conducting wire forms the coil in a manner of spiral winding in a plane, and the both ends of the conducting wire extend to be formed
The terminals of the coil, the coil are fixed by coil mounting plate, and the coil is embedded in the coil mounting plate one
In the winding slot in face, the winding slot recess is set in the coil mounting plate one side.
2. wireless charging device according to claim 1, which is characterized in that the magnetic material layer is laid with by ferrite block
It forms.
3. wireless charging device according to claim 1, which is characterized in that the magnetic material layer is nanocrystalline.
4. wireless charging device according to claim 1, which is characterized in that the insulating radiation layer is by insulating layer and heat dissipation
Layer is combined, wherein the heat dissipating layer is between the insulating layer and magnetic material layer.
5. wireless charging device according to claim 4, which is characterized in that the heat dissipating layer is graphene layer or graphite
Layer, the insulating layer are one of glass layer, mica sheet or potsherd.
6. wireless charging device according to claim 1, which is characterized in that the insulating radiation shielded layer by insulating layer,
Heat dissipating layer and shielded layer are combined, and the magnetic material layer, heat dissipating layer, shielded layer are cascading.
7. wireless charging device according to claim 1, which is characterized in that the section for forming the conducting wire of the coil is square
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072518.2U CN209581174U (en) | 2018-12-11 | 2018-12-11 | A kind of wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072518.2U CN209581174U (en) | 2018-12-11 | 2018-12-11 | A kind of wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209581174U true CN209581174U (en) | 2019-11-05 |
Family
ID=68348867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822072518.2U Active CN209581174U (en) | 2018-12-11 | 2018-12-11 | A kind of wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209581174U (en) |
-
2018
- 2018-12-11 CN CN201822072518.2U patent/CN209581174U/en active Active
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