CN205882764U - Wireless charging equipment - Google Patents
Wireless charging equipment Download PDFInfo
- Publication number
- CN205882764U CN205882764U CN201620736461.XU CN201620736461U CN205882764U CN 205882764 U CN205882764 U CN 205882764U CN 201620736461 U CN201620736461 U CN 201620736461U CN 205882764 U CN205882764 U CN 205882764U
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- CN
- China
- Prior art keywords
- magnetic core
- core coil
- energy
- wireless
- wireless charging
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a wireless charging equipment, including wireless transmitter and wireless receiver, resonance control circuit, energy supplied circuit, energy emission end electric capacity group and emitted energy's that wireless transmitter on transmitting terminal printed circuit board, just connected gradually including the integration transmission magnetic core coil, transmitting terminal printed circuit board fixed mounting is in the transmitter shell, wireless receiver organizes and converting circuit including receipt magnetic core coil, the energy receiving terminal electric capacity of the integrated received energy that on receiving terminal printed circuit board, just connects gradually, and receiving terminal printed circuit board fixes in the receiver shell, and wherein, transmission magnetic core coil's area is square, and its range of size is long 100mm~500mm, wide 50mm~300mm. The utility model discloses a wireless charging equipment can put a plurality of wireless receiver at the available energy emission area of transmitter within range, and wireless receiver's position also can be put at will.
Description
Technical field
This utility model relates to wireless charging field, particularly relates to a kind of wireless charging using magnetic resonance wireless charging technology
Electricity equipment.
Background technology
In consumption market, mobile device is taking the lead in using radio source solution.Along with LTE technology employing,
The raising of communication speed and the increase of bandwidth, at least within the coming years so that mobile device will not be any way limited.Convenient
Property be to promote one of mobile device key factor universal in consumption market.Mobile phone, panel computer, media player, mobile electricity
Depending on etc. different mobile devices need the various adapters of distinct interface adapter.In order to charging of mobile devices, people but need
Carry the most different adapters and adapter.The wireless universal having powerful support infrastructures and ecosystem is fitted
Orchestration, can solve these demands.Automobile, cafe, library, restaurant, train, aircraft, office and meeting room carry
For wireless charging, the convenience needed for people will be met.
Existing wireless charging device uses the QI principle of magnetic induction mostly.First generation magnetic induction wireless charging technology
Maximum shortcoming be the area of charged area and charging distance the least, must say during use that emitter and receptor are the most right
Together, it is placed with together and can not arbitrarily move.Coil dimension currently mainly is both less than 150mm.Only when mobile phone coil and
The coil position of emitter just pair time, wireless charging can be carried out, the chances are that two unitary coins are big for its area that effectively charges
Little.A lot of people are frequently encountered by the situation causing charging failed because of misalignment position in use.And can only charging end and
Receptor can only be placed with and charge together, and equipment can not arbitrarily move, cause wireless charging and wired charging in convenience also
Without essential difference, efficiency is but had a greatly reduced quality.
Utility model content
The purpose of this utility model is to provide a kind of wireless charging device, and its area that effectively charges is big, having at emitter
Can put multiple wireless receiver in the range of usefulness emission area, the position of wireless receiver can also arbitrarily be put.
For achieving the above object, this utility model provides a kind of wireless charging device, including wireless transmitter with wireless connect
Receive device；Resonance control circuit that described wireless transmitter includes being sequentially connected with, energy supply circuit, energy transmitting terminal capacitance group and
The transmitting magnetic core coil of emitted energy, described resonance control circuit, energy supply circuit, energy transmitting terminal capacitance group and transmitting magnetic
Core coil is integrated on transmitting terminal printed substrate, and described transmitting terminal printed substrate is fixedly mounted in launcher shell；Institute
State wireless receiver and include that be sequentially connected with receives the reception magnetic core coil of energy, energy acceptance end capacitance group and change-over circuit,
The reception magnetic core coil of described reception energy, energy acceptance end capacitance group and change-over circuit are integrated in receiving terminal printed substrate
On, described receiving terminal printed substrate is fixed in receiver casing, and wherein, the area of described transmitting magnetic core coil is square,
Its size range is long 100mm～500mm, wide 50mm～300mm.The effective energy emission area of wireless transmitter and shape by
The area launching magnetic core coil determines, and the reception magnetic core coil area of wireless receiver is less than this emission area.Therefore, exist
Can put multiple wireless receiver in the range of this, the position of wireless receiver can also arbitrarily be put.And energy transmitting terminal
Capacitance group couples respectively with launching magnetic core coil, energy acceptance end capacitance group and reception magnetic core coil, produces oscillating magnetic field, permissible
Being effectively improved emitted energy density, charge efficiency can improve to 80%～90%, suitable with wired charging.And charging distance can
Reach about 20cm, even can penetrate nonmetallic object, such as desktop.
As further improvement of the utility model, launch magnetic core coil and reception magnetic core coil all uses unilateral plane
Helically-wound, the coil section wherein launching magnetic core coil is square.It is demonstrated experimentally that monolateral winding is more beneficial for the uniform of magnetic field
Distribution and the transmission of power, it is adaptable to relatively remote lower energy transmission, the therefore monolateral winding of this utility model employing, coil is
Outside dimension is long 100mm～500mm, wide 50mm～300mm, and every circle is gradually wound around to core center isometric helix, coil turn
4～8 circles can be used.
Further, litz wire can be used for launching the wire of magnetic core coil and reception magnetic core coil described in coiling,
And the arrangements of conductors in litz wire is the arrangement of both forward and reverse directions space crossings.Use this design to be because according to Maxwell to manage
Opinion, time in wire by electric current, it may appear that the eddy current sum that Kelvin effect, i.e. principal current and magnetic field produce adds in conductive line surfaces
By force, tending to wire center and weaken, there is the phenomenon of uneven distribution in electric current.The biggest this phenomenon of electric current is the most obvious, and it can affect
Stable magnetic field and charge efficiency, accordingly, it would be desirable to using litz wire is just as the arrangements of conductors form in wire, and litz wire
Opposite direction space crossings arranges.The positive and negative sense of current to pass through in a certain moment wire in wire direction is as the criterion.
Preferably, described launcher shell by using through safety glass that mirror process, chamfering are 2.5D or plastic cement or
The sheet material of acrylic or resin material is made.This sheet material is frivolous firm, waterproof, easy to clean, can effectively protect internal circuit,
And various fashion profile can be processed into, and to magnetic field almost without the high-efficiency transfer of shielding action, beneficially energy.
Further, it also includes the fixing device for being arranged on the position needing fixing described wireless transmitter.
Wherein, fixing device can use suction type that wireless transmitter is fixed on the adsorbent equipment used on position.And adsorb dress
Put but can use in antigravity nanometer film, seccotine, vacuum cup any one.Wherein, antigravity nanometer film is with its property
Can stable, fixed, remove conveniently, the characteristic that leaves no trace is optimal case.
In order to be further ensured that stable performance, the heat produced when the reducing work impact on equipment, at launcher shell
Side have louvre.Louvre can be evenly distributed circle and/or oval louvre.
Receiver casing needs to adapt to plurality of devices, and therefore, size and dimension is all to need the shape and size of charger
Matching, it is sewed in fare mode by corium or imitation leather and forms.Receiver casing can also be by plastic cement, safety glass or pottery
Material is made.
Beneficial effect
Compared with prior art, wireless charging device of the present utility model has the advantage that
1, the effectively charging emission area of wireless transmitter is bigger than the effectively charging receiving area of described wireless receiver, nothing
Line receiver is arbitrarily put and can be charged electronic equipment in the effectively charging transmitting boundary of wireless transmitter, it is not necessary to
The position of wireless receiver is aligned completely with wireless transmitter, thus offers convenience to the charging of electronic equipment, and do not allow
The situation that charging is failed easily occurs；
What 2, monolateral winding was more beneficial for magnetic field is uniformly distributed the transmission with power, it is adaptable to relatively remote lower energy biography
Defeated；
3, the wire for transmitting magnetic core coil described in coiling and reception magnetic core coil can use litz wire, by uneven electricity
Flow distribution, on the wire of every mutual insulating, farthest reduces the AC impedance that Kelvin effect causes, reduces and lead
Line alternating current-direct current impedance ratio, reduces the loss of coil, reduces coil temperature, improves the safety that energy transmissive portion is divided simultaneously
With stability；Arrangements of conductors form in litz wire is the arrangement of both forward and reverse directions space crossings, it is achieved mutually supporting between wire magnetic fields
Disappear, reduce uneven CURRENT DISTRIBUTION；
4, use antigravity nanometer film as adsorbent equipment, its stable performance, fixed, remove convenient and not trace
Mark；
5, the side of launcher shell has louvre, prevents emitter operating temperature too high, and louvre can be uniform
The circle of arrangement and/or oval louvre.
By description below and combine accompanying drawing, this utility model will become more fully apparent, and these accompanying drawings are used for explaining this
The embodiment of utility model.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of wireless transmitter of the present utility model and wireless receiver；
Fig. 2 is the charging principle schematic diagram of a kind of wireless charging device of the present utility model；
Fig. 3 is the arrangement of conductor schematic diagram in litz wire；
Fig. 4 is that wireless charging device of the present utility model uses one of view；
Fig. 5 is one of structure enlarged diagram of the louvre on launcher shell；
Fig. 6 is the two of the structure enlarged diagram of the louvre on launcher shell；
Fig. 7 is the three of the structure enlarged diagram of the louvre on launcher shell；
Fig. 8 is the four of the structure enlarged diagram of the louvre on launcher shell；
Fig. 9 is the five of the structure enlarged diagram of the louvre on launcher shell；
Figure 10 is that wireless charging device of the present utility model uses the two of view.
In figure, 1, wireless transmitter；11, resonance control circuit；12, energy supply circuit；13, energy transmitting terminal electric capacity
Group；14, magnetic core coil is launched；15, launcher shell；16, louvre；2, wireless receiver；21, magnetic core coil is received；22, energy
Amount receiving terminal capacitance group；23, change-over circuit；3, fixing device；4, supporting plate.
Detailed description of the invention
With reference now to accompanying drawing, embodiment of the present utility model is described.
Embodiment 1
Detailed description of the invention of the present utility model is as it is shown in figure 1, a kind of wireless charging device, including wireless transmitter 1 He
Wireless receiver 2.Resonance control circuit 11 that wireless transmitter 1 includes being sequentially connected with, energy supply circuit 12, energy transmitting terminal
The transmitting magnetic core coil 14 of capacitance group 13 and emitted energy, as shown in Figure 2.Resonance control circuit 11, energy supply circuit 12, energy
Amount transmitting terminal capacitance group 13 and transmitting magnetic core coil 14 are integrated on transmitting terminal printed substrate.Transmitting terminal printed substrate is fixed
It is arranged in launcher shell 15.Wireless receiver 2 includes that the reception reception magnetic core coil 21 of energy being sequentially connected with, energy connect
Receiving end capacitance group 22 and change-over circuit 23, as shown in Figure 2.Receive the reception magnetic core coil 21 of energy, energy acceptance end capacitance group
22 and change-over circuit 23 be integrated on receiving terminal printed substrate.Receiving terminal printed substrate is fixed on receiver casing (in figure
Do not identify) in.Wherein, the area launching magnetic core coil 14 is square, its size range is long 100mm～500mm, wide 50mm～
300mm。
In the present embodiment, the size launching magnetic core coil 14 is long 250mm, wide 190mm, receives the size of magnetic core coil 21
For 100mm, wide 60mm.
Effective energy emission area and the shape of wireless transmitter 1 are determined by the area launching magnetic core coil 14, and wireless
Reception magnetic core coil 21 area of receptor is less than this emission area, therefore can put multiple wireless connect in the range of this
Receiving device 2, the position of wireless receiver 2 can also arbitrarily be put.And energy transmitting terminal capacitance group 13 and transmitting magnetic core coil 14, energy
Amount receiving terminal capacitance group 22 and reception magnetic core coil 21 couple respectively, produce oscillating magnetic field, can be effectively improved emitted energy close
Degree, charge efficiency can improve to 80%～90%, suitable with wired charging.And charging distance is up to about 20cm, even may be used
Penetrate nonmetallic object, such as desktop.
Launch magnetic core coil 14 and reception magnetic core coil 21 all uses unilateral snail winding, wherein launch magnetic core line
The coil section of circle 14 is square.It is demonstrated experimentally that monolateral winding be more beneficial for magnetic field be uniformly distributed the transmission with power, be suitable for
Energy transmission under relatively remote, therefore this utility model uses monolateral winding, and every circle is gradually to core center isometric helix
Being wound around, coil turn can use 4～8 circles.
The wire launching magnetic core coil 14 and reception magnetic core coil 21 for coiling is litz wire.Use this design be because of
For according to maxwell theory, time in wire by electric current, it may appear that the eddy current that Kelvin effect, i.e. principal current and magnetic field produce it
Strengthen with in conductive line surfaces, tend to wire center and weaken, cause electric current that the phenomenon of uneven distribution occurs.Electric current is the biggest this existing
As the most obvious, thus affect stable magnetic field and charge efficiency.Therefore, employing litz wire can be by uneven CURRENT DISTRIBUTION at every
On the wire of mutual insulating, farthest reduce the AC impedance that Kelvin effect causes, reduce wire alternating current-direct current impedance
Ratio, reduces the loss of coil, reduces coil temperature, improves safety and stability that energy transmissive portion is divided simultaneously.
Wire in litz wire uses the arrangement mode of both forward and reverse directions space crossings, as shown in Figure 3 (" " and "×" in figure
Represent the sense of current in a certain moment).The positive and negative sense of current to pass through in a certain moment wire in wire direction is as the criterion.This
Arrangement mode can realize cancelling out each other between wire magnetic fields, reduces uneven CURRENT DISTRIBUTION.
As shown in Figure 4, supporting plate 4 uses nonmetallic materials, and it is used for fixed wireless emitter 1.The projected area of supporting plate 4 is big
In the emission area of effectively charging of wireless transmitter 1, wireless receiver 2 and connected mobile phone is enable to be placed conveniently within torr
It is not easy to drop on plate 4.Supporting plate 4 can be the structure on desk, chair, bedside cabinet or the art work.
Launcher shell 15 in the present embodiment use through mirror process, chamfering be the safety glass of 2.5D.Tempering glass
The aesthetic property of glass is preferable, and sheet material is frivolous firm, waterproof, easy to clean, can effectively protect internal circuit, and can be processed into various
Fashion profile, and to magnetic field almost without the high-efficiency transfer of shielding action, beneficially energy.Chamfering can improve the attractive in appearance of product
Property, wedge angle also can be avoided to scrape hands simultaneously.It addition, launcher shell 15 can also use plastic cement or the material such as acrylic or resin.
This product also includes fixing device 3, and fixing device 3 is for being arranged on the position needing fixed wireless emitter 1.Gu
Determining device 3 is to use suction type that wireless transmitter 1 is fixed on the adsorbent equipment used on position.Adsorbent equipment is antigravity
Any one in nanometer film, seccotine or vacuum cup.
As shown in Figure 4, in the present embodiment, fixing device 3 uses antigravity nanometer film, its stable performance, fixed, shifting
Remove convenient and leave no trace.Antigravity nanometer film is arranged on the bottom of supporting plate 4, as being arranged on the bottom surface of wood table.The thickness of supporting plate 4
Degree is 5cm-7cm.Make launcher shell 15 contact with antigravity nanometer film, can be fixed in bottom supporting plate 4, and due to
Being connected for removable between launcher shell 15 with antigravity nanometer film, client can adjust wireless transmitter 1 according to demand in torr
Position on plate 4.
The side of launcher shell 15 is provided with louvre 16, the heat produced when can the reduce work impact on equipment.Dissipate
Hot hole 16 can be the one in evenly distributed circular louvre or oval louvre or polygon louvre or a combination thereof,
As shown in Figures 5 to 9.
Receiver casing (not identifying in figure) needs to adapt to plurality of devices, and therefore size and dimension is all to need charger
Shape and size match, and it is sewed in fare mode by corium or imitation leather and forms, and aesthetic property is preferable, and corium or imitation leather are resistance to
Mill, can play a good protection to the circuit within wireless receiver 2.
In addition, receiver casing can also use plastic cement, safety glass or ceramic material to make.
Embodiment 2
As shown in Figure 10, being with the difference of embodiment 1, the size launching magnetic core coil 14 is long 200mm, wide
150mm.Fixing device 3 is not arranged on supporting plate 4, and the inside of supporting plate 4 is provided with cavity, and wireless transmitter 1 is placed in this cavity.
When needing to charge the phone, only the wireless receiver 2 being connected with mobile phone need to be placed on the upper surface of supporting plate 4 and be positioned at wireless
In the range of the effective energy emission area of emitter 1, mobile phone can be charged.
In above-mentioned two embodiment, the size launching magnetic core coil 14 can also be long 350mm, wide 250mm；Launch magnetic core
The size of coil 14 can also be long 150mm, wide 100mm.Different transmitting magnetic core coil 14 sizes can make on wireless transmitter 1
Putting the different wireless receiver of quantity 2, client can select according to the actual requirements.
Above in association with most preferred embodiment, this utility model is described, but this utility model is not limited to above taking off
The embodiment shown, and should contain various carry out according to essence of the present utility model amendment, equivalent combinations.
Claims (10)
1. a wireless charging device, including wireless transmitter (1) and wireless receiver (2)；It is characterized in that: described wireless
Resonance control circuit (11) that emitter (1) includes being sequentially connected with, energy supply circuit (12), energy transmitting terminal capacitance group (13) and
The transmitting magnetic core coil (14) of emitted energy, described resonance control circuit (11), energy supply circuit (12), energy transmitting terminal electricity
Appearance group (13) and transmitting magnetic core coil (14) are integrated on transmitting terminal printed substrate, the fixing peace of described transmitting terminal printed substrate
It is contained in launcher shell (15)；Described wireless receiver (2) includes the reception magnetic core coil receiving energy being sequentially connected with
(21), energy acceptance end capacitance group (22) and change-over circuit (23), the reception magnetic core coil (21) of described reception energy, energy connect
Receiving end capacitance group (22) and change-over circuit (23) are integrated on receiving terminal printed substrate, and described receiving terminal printed substrate is fixed
In receiver casing, wherein, the area of described transmitting magnetic core coil (14) is square, its size range be long 100mm～
500mm, wide 50mm～300mm.
A kind of wireless charging device the most according to claim 1, it is characterised in that: described transmitting magnetic core coil (14) and connecing
Receiving magnetic core coil (21) and all use unilateral snail winding, the coil section wherein launching magnetic core coil (14) is square.
A kind of wireless charging device the most according to claim 2, it is characterised in that: for launching magnetic core coil described in coiling
(14) and receive the wire of magnetic core coil (21) be the arrangements of conductors in litz wire, and litz wire be both forward and reverse directions space crossings row
Row.
A kind of wireless charging device the most according to claim 1, it is characterised in that: described launcher shell (15) is by using
It is the safety glass of 2.5D or the sheet material of plastic cement or acrylic or resin material is made through mirror process, chamfering.
A kind of wireless charging device the most according to claim 4, it is characterised in that: it also includes for being arranged on needs solid
The fixing device (3) of the position of fixed described wireless transmitter (1).
A kind of wireless charging device the most according to claim 5, it is characterised in that: described fixing device (3) is inhaled for using
Wireless transmitter is fixed on the adsorbent equipment used on position by subsidiary formula formula.
A kind of wireless charging device the most according to claim 6, it is characterised in that: described adsorbent equipment is antigravity nanometer
Any one in film, seccotine, vacuum cup.
8. according to any one described wireless charging device of claim 1 to 7, it is characterised in that: described launcher shell (15)
Side be provided with louvre (16).
Wireless charging device the most according to claim 8, it is characterised in that: described receiver casing by corium or imitation leather with
Fare mode is sewed and is formed.
Wireless charging device the most according to claim 8, it is characterised in that: described receiver casing is by plastic cement, tempering glass
Glass or ceramic material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736461.XU CN205882764U (en) | 2016-07-13 | 2016-07-13 | Wireless charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736461.XU CN205882764U (en) | 2016-07-13 | 2016-07-13 | Wireless charging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205882764U true CN205882764U (en) | 2017-01-11 |
Family
ID=57695608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620736461.XU Expired - Fee Related CN205882764U (en) | 2016-07-13 | 2016-07-13 | Wireless charging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205882764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120431A (en) * | 2017-12-12 | 2018-06-05 | 扬州博佧光电科技有限公司 | Laser leveler |
| CN112233886A (en) * | 2020-10-16 | 2021-01-15 | 重庆美的制冷设备有限公司 | Magnetic core, magnetic integrated device, circuit board and manufacturing method of magnetic integrated device |
-
2016
- 2016-07-13 CN CN201620736461.XU patent/CN205882764U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120431A (en) * | 2017-12-12 | 2018-06-05 | 扬州博佧光电科技有限公司 | Laser leveler |
| CN112233886A (en) * | 2020-10-16 | 2021-01-15 | 重庆美的制冷设备有限公司 | Magnetic core, magnetic integrated device, circuit board and manufacturing method of magnetic integrated device |
| CN112233886B (en) * | 2020-10-16 | 2021-09-07 | 重庆美的制冷设备有限公司 | Magnetic core, magnetic integrated device, circuit board and manufacturing method of magnetic integrated device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170713 |