CN207074890U - A kind of wireless charging system - Google Patents
A kind of wireless charging system Download PDFInfo
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- CN207074890U CN207074890U CN201720503437.6U CN201720503437U CN207074890U CN 207074890 U CN207074890 U CN 207074890U CN 201720503437 U CN201720503437 U CN 201720503437U CN 207074890 U CN207074890 U CN 207074890U
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- 230000005284 excitation Effects 0.000 claims abstract description 12
- 238000010618 wire wrap Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model embodiment discloses a kind of wireless charging system, including：Power supply unit and charging equipment, power supply unit is provided with the transmitting coil for being used for that wireless charging to be carried out to charging equipment, charging equipment is provided with the receiving coil for being used for receiving the electromagnetic energy that transmitting coil is sent, wherein, transmitting coil be the wrapping of n-layer excitation wire around coil, n is the integer more than 1, and the area of receiving coil is more than the area of transmitting coil.The area that the area of receiving coil is more than transmitting coil causes receiving coil to be improved for the receiving ability of electromagnetic energy, reduce magnetic leakage, enable charging equipment that more electromagnetic energies are converted into electric energy, improve the efficiency of wireless power transmission, utilization rate of electrical is also improved, while reduces the electromagnetic radiation around system.
Description
Technical field
Wireless power transmission field is the utility model is related to, more particularly to a kind of wireless charging system.
Background technology
With the development of electrical power transmission system, the application of wireless power transmission technology is more and more wider.
Wireless power transmission apparatus is based particularly on the wireless charging of magnetic coupling principle or power supply unit is quickly popularized
Commercialization, all there is a coil for being used for electric energy transmitting in the system based on this principle and one is used for the coil that electric energy receives, and lead to
The electromagnetic coupled crossed between two coils realizes being wirelessly transferred for electric power, and it is relatively low i.e. that product in the market generally deposits efficiency
The electric energy that transmitting coil is launched can not it is complete or it is more received by receiving coil, and because receiving coil is dimensioned slightly smaller than
Transmitting coil so cause receiving coil when being coupled with transmitting coil needs precisely contraposition, can offset distance very little, meeting simultaneously
Magnetic dispersion is caused, radiates the problem of excessive, these problems directly results in difficulty increase in power loss and practical operation.
Therefore, magnetic leakage how is reduced, the efficiency of wireless power transmission is improved, is that those skilled in the art need to solve at present
Technical problem certainly.
Utility model content
The purpose of this utility model is to provide a kind of wireless charging system, it is possible to reduce magnetic is revealed, and is improved wireless power and is passed
Defeated efficiency.
In order to solve the above technical problems, the utility model provides following technical scheme：
A kind of wireless charging system, including：Power supply unit and charging equipment, the power supply unit, which is provided with, to be used for described
Charging equipment carries out the transmitting coil of wireless charging, and the charging equipment, which is provided with, to be used to receive what the transmitting coil was sent
The receiving coil of electromagnetic energy, wherein, the transmitting coil be the wrapping of n-layer excitation wire around coil, n is integer more than 1, institute
The area for stating receiving coil is more than the area of the transmitting coil.
Preferably, the transmitting coil is circular coil, and the area of the receiving coil is more than twice of transmitting coil
Area.
Preferably, the transmitting coil be two layers or three layers of excitation wire wrapping around coil.
Preferably, the receiving coil is circular coil or square fillet coil.
Preferably, the receiving coil includes some parallel subcoils arranged evenly, and each subcoil is positioned at same
In plane.
Preferably, the subcoil is circular coil or square fillet coil.
Preferably, the receiving coil includes some subcoils in symmetric figure arrangement, and each subcoil is positioned at same
In one plane.
Preferably, the subcoil is circular coil or square fillet coil.
Compared with prior art, above-mentioned technical proposal has advantages below：
The wireless charging system that the utility model embodiment is provided, including：Power supply unit and charging equipment, power supply are set
Standby to be provided with the transmitting coil for being used for that wireless charging to be carried out to charging equipment, charging equipment, which is provided with, to be used to receive transmitting coil hair
The receiving coil of the electromagnetic energy gone out, wherein, transmitting coil be the wrapping of n-layer excitation wire around coil, n is integer more than 1, is connect
The area of take-up circle is more than the area of transmitting coil.The area that the area of receiving coil is more than transmitting coil causes receiving coil pair
It is improved in the receiving ability of electromagnetic energy, reduces magnetic leakage so that charging equipment can be by more electromagnetic energies
Electric energy is converted into, improves the efficiency of wireless power transmission, utilization rate of electrical is also improved, while reduces around system
Electromagnetic radiation.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
The wireless charging system structural representation that Fig. 1 is provided by a kind of embodiment of the utility model；
The transmitting coil and reception line for the wireless charging system that Fig. 2 is provided by a kind of embodiment of the utility model
The coupling schematic diagram of circle；
The transmitting coil for the wireless charging system that Fig. 3 is provided by the utility model another kind embodiment and reception
The coupling schematic diagram of coil；
The transmitting coil for the wireless charging system that Fig. 4 is provided by the utility model another embodiment and reception
The coupling schematic diagram of coil.
Embodiment
Core of the present utility model is to provide a kind of wireless charging system, it is possible to reduce magnetic is revealed, and is improved wireless power and is passed
Defeated efficiency.
In order that above-mentioned purpose of the present utility model, feature and advantage can become apparent it is understandable, it is right below in conjunction with the accompanying drawings
Specific embodiment of the present utility model is described in detail.
Detail is elaborated in the following description in order to fully understand the utility model.But the utility model can
It is different from other manner described here with a variety of and implements, those skilled in the art can be without prejudice to the utility model connotation
In the case of do similar popularization.Therefore the utility model is not limited by following public embodiment.
It refer to Fig. 1, the wireless charging system structural representation that Fig. 1 is provided by a kind of embodiment of the utility model
Figure.
A kind of embodiment of the present utility model provides a kind of wireless charging system, including：Power supply unit 1 and treat
Charging equipment 2, power supply unit 1 are provided with the transmitting coil 11 for being used for that wireless charging to be carried out to charging equipment, and charging equipment 2 is set
There is the receiving coil 21 of the electromagnetic energy sent for receiving transmitting coil 11, wherein, transmitting coil 11 is n-layer excitation wire wrapping
Around coil, n is integer more than 1, and the area of receiving coil 21 is more than the area of transmitting coil 11.
In the present embodiment, power supply unit is that charging pile etc. is the equipment that charging equipment is charged, power supply unit
The electric energy of the power supplys such as civil power is converted into the voltage and current for the certain power for being available for transmitting coil to carry out electromagnetic energy transmitting, hair
Ray circle launches electric energy in the form of electromagnetic energy.And charging equipment is electrical equipment, it is received by receiving coil
The electromagnetic energy of transmitting coil transmitting, is then converted into electric energy by electromagnetic energy.And transmitting coil be the wrapping of multilayer excitation wire around
Into coil, relative to individual layer excitation wire harness form transmitting coil for, when identical electromagnetic energy is launched, significantly
The area of itself is reduced, because receiving coil is at most the area for installing bottom surface of itself charging equipment, transmitting coil
The reduction of area, it is easy to implement technical scheme of the receiving coil area more than the area of transmitting coil of charging equipment.
The area that the area of receiving coil is more than transmitting coil causes receiving coil to be obtained for the receiving ability of electromagnetic energy
To raising, reduce magnetic leakage so that more electromagnetic energies can be converted into electric energy by charging equipment, improve radio
The efficiency of power transmission, utilization rate of electrical is also improved, while reduces the electromagnetic radiation around system.
It refer to Fig. 2, the emission lines for the wireless charging system that Fig. 2 is provided by a kind of embodiment of the utility model
The coupling schematic diagram of circle and receiving coil.
In a kind of embodiment of the present utility model, transmitting coil 11 is circular coil, and the area of receiving coil 21 is big
In the area of twice of transmitting coil 11.Transmitting coil 11 be two layers or three layers of excitation wire wrapping around coil.
As shown in Fig. 2 by transmitting coil be two layers of excitation wire wrapping around coil exemplified by illustrate, wherein, receive line
More than at least twice of the area of circle for the area of transmitting coil, the area of receiving coil is much larger than the area of transmitting coil, makes
The area that magnetic induction line must be received is much larger than the maximum area of excitation plane so that receiving coil is big for the receiving ability of magnetic induction line
It is big to improve, the absorptivity of electromagnetic energy is effectively increased, reduces the leakage of electromagnetic energy, reduces the electromagnetic radiation of surrounding, together
When substantially increase system can offset so that in practical operation, can also cause receiving coil without carrying out precisely contraposition
Electromagnetic energy is received with higher efficiency, substantially increases the convenience of system operatio.
It refer to Fig. 3, the transmitting for the wireless charging system that Fig. 3 is provided by the utility model another kind embodiment
The coupling schematic diagram of coil and receiving coil.
In a kind of embodiment of the present utility model, preferably receiving coil 21 is circular coil or square fillet coil.
Further, receiving coil 21 includes some parallel subcoils arranged evenly, and each subcoil is generally aligned in the same plane interior.Each sub-line
Enclose preferably circular coil or square fillet coil.
In the present embodiment, as shown in figure 3, including 3 subcoils with receiving coil, and each subcoil is square fillet
Illustrated exemplified by coil.Wherein, so-called square fillet coil refers to that coil is integrally rectangle or square, but line
Each pin of circle is circular arc.In the present embodiment, receiving coil is a coil array, and the parallel word of 3 subcoils is arranged
Row.
It refer to Fig. 4, the transmitting for the wireless charging system that Fig. 4 is provided by the utility model another embodiment
The coupling schematic diagram of coil and receiving coil.
In a kind of embodiment of the present utility model, receiving coil 21 includes some sub-lines in symmetric figure arrangement
Circle, each subcoil are generally aligned in the same plane interior.The preferably circular coil of each subcoil or square fillet coil.
In the present embodiment, the arrangement mode of the different from the embodiment described above each subcoil for being receiving coil, such as
Shown in Fig. 4, illustrated so that receiving coil includes 3 circular subcoils as an example.Each circular subcoil be arranged in parallel, in center pair
Claim arrangement.
It should be noted that present embodiment is simply illustrated with above-mentioned subcoil number and arrangement mode,
Receiving coil can include the subcoil of other numbers, and each subcoil is arranged according to being actually needed, it is only necessary to which guarantee connects
The area of take-up circle is more than the area of transmitting coil, and present embodiment is not limited this, specifically depended on the circumstances.
In summary, the wireless charging system that the utility model embodiment is provided, the area of receiving coil are more than transmitting
The area of coil causes receiving coil to be improved for the receiving ability of electromagnetic energy, reduces magnetic leakage so as to be charged
More electromagnetic energies can be converted into electric energy by equipment, improve the efficiency of wireless power transmission, utilization rate of electrical also obtains
Improve, while reduce the electromagnetic radiation around system.
A kind of wireless charging system is provided the utility model above to be described in detail.It is used herein specifically
Individual example is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and understands this
The core concept of utility model.It should be pointed out that for those skilled in the art, it is new not departing from this practicality
On the premise of type principle, some improvement and modification can also be carried out to the utility model, these are improved and modification also falls into this reality
With in new scope of the claims.
Claims (8)
- A kind of 1. wireless charging system, it is characterised in that including：Power supply unit and charging equipment, the power supply unit are provided with For carrying out the transmitting coil of wireless charging to the charging equipment, the charging equipment, which is provided with, to be used to receive the transmitting The receiving coil for the electromagnetic energy that coil is sent, wherein, the transmitting coil be the wrapping of n-layer excitation wire around coil, n be more than 1 integer, the area of the receiving coil are more than the area of the transmitting coil.
- 2. system according to claim 1, it is characterised in that the transmitting coil is circular coil, the receiving coil Area be more than the area of twice transmitting coil.
- 3. system according to claim 2, it is characterised in that the transmitting coil be two layers or three layers of excitation wire wrapping around Coil.
- 4. according to the system described in any one of claims 1 to 3, it is characterised in that the receiving coil is circular coil or side Shape fillet coil.
- 5. according to the system described in any one of claims 1 to 3, it is characterised in that the receiving coil includes some parallel points The subcoil of cloth arrangement, each subcoil are generally aligned in the same plane interior.
- 6. system according to claim 5, it is characterised in that the subcoil is circular coil or square fillet coil.
- 7. according to the system described in any one of claims 1 to 3, it is characterised in that the receiving coil includes some in symmetrical The subcoil of pattern arrangement, each subcoil are generally aligned in the same plane interior.
- 8. system according to claim 7, it is characterised in that the subcoil is circular coil or square fillet coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720503437.6U CN207074890U (en) | 2017-05-08 | 2017-05-08 | A kind of wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720503437.6U CN207074890U (en) | 2017-05-08 | 2017-05-08 | A kind of wireless charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207074890U true CN207074890U (en) | 2018-03-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720503437.6U Active CN207074890U (en) | 2017-05-08 | 2017-05-08 | A kind of wireless charging system |
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| CN (1) | CN207074890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103675A (en) * | 2021-10-18 | 2022-03-01 | 广西电网有限责任公司电力科学研究院 | Unmanned aerial vehicle and hangar two-way wireless charging system and method thereof |
| CN116094186A (en) * | 2022-06-07 | 2023-05-09 | 荣耀终端有限公司 | Wireless charging system and wireless charging pen box |
| CN116094081A (en) * | 2022-06-16 | 2023-05-09 | 荣耀终端有限公司 | A wireless charging system and a wireless charging pencil case |
-
2017
- 2017-05-08 CN CN201720503437.6U patent/CN207074890U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103675A (en) * | 2021-10-18 | 2022-03-01 | 广西电网有限责任公司电力科学研究院 | Unmanned aerial vehicle and hangar two-way wireless charging system and method thereof |
| CN116094186A (en) * | 2022-06-07 | 2023-05-09 | 荣耀终端有限公司 | Wireless charging system and wireless charging pen box |
| CN116094186B (en) * | 2022-06-07 | 2024-06-04 | 荣耀终端有限公司 | Wireless charging system and wireless charging pen box |
| CN116094081A (en) * | 2022-06-16 | 2023-05-09 | 荣耀终端有限公司 | A wireless charging system and a wireless charging pencil case |
| CN116094081B (en) * | 2022-06-16 | 2023-11-07 | 荣耀终端有限公司 | A wireless charging system and wireless charging pen box |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20210322 Address after: 518000 room 133-134, No.1 International Students (Longgang) Pioneer Park, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee after: ZONECHARGE (SHENZHEN) WIRELESS POWER SUPPLY TECHNOLOGY Co.,Ltd. Address before: 264003 Mingda West Road, Laishan District, Yantai, Shandong Province, No. 11 Patentee before: ZHONG HUI POWERISE WIRELESS POWER TECHNOLOGY Ltd. |