CN105656218A - Wireless power transmitting and receiving coil with adjustable sensitive quantity - Google Patents
Wireless power transmitting and receiving coil with adjustable sensitive quantity Download PDFInfo
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- CN105656218A CN105656218A CN201610148668.XA CN201610148668A CN105656218A CN 105656218 A CN105656218 A CN 105656218A CN 201610148668 A CN201610148668 A CN 201610148668A CN 105656218 A CN105656218 A CN 105656218A
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- winding
- flux layer
- mobile
- magnetic flux
- wireless power
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2871—Pancake coils
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention belongs to the field of wireless power, in particular to a wireless power transmitting and receiving coil with adjustable sensitive quantity. The wireless power transmitting and receiving coil comprises a flux layer and a movable winding, wherein the movable winding can move perpendicular to the flux layer, a gap exists between the movable winding and the flux layer, when the movable winding moves close to the flux layer, inductance values at the two ends of the movable winding are increased, and when the movable winding moves away from the flux layer, inductance values at the two ends of the movable winding are reduced. The inductance value is adjusted through the simple structure, and the technical problem that when a single coil is designed to be compatible with various wireless power transmission standards, a resonance induction value is adjusted continuously is solved.
Description
Technical field
The invention belongs to wireless power field, particularly relate to the adjustable wireless power transmitting of sensibility reciprocal, receiving coil.
Background technology
Current wireless electric energy transfer device is all use the transmitting of fixing sensibility reciprocal, reception inductance coil, and its advantage is that electric energy efficiency of transmission is high under the transmitting and reception equipment of special designs; Even if but current low-power wireless electric energy transmission has multiple wireless transmission standards, and there is the chip of compatible different radio supply standard simultaneously, but because resonance factor is different, the equipment using compatible scheme must be equipped with the multiple coil according to various criterion design, otherwise can only taking part of standards therein into account, the electric energy efficiency of transmission of all the other standards is non-normally low.
In the wireless power transmission scheme of electromagentic resonance formula, through-put power is all relevant with resonance effect with efficiency, the method tuned can be adjustment frequency, adjusts resonant capacitance capacity, adjust the inductance value of sending and receiving end inductance coil, and the transmitting of adjustment inductance value flexibly, reception inductance coil can be designed that more flexible tuning scheme.
Summary of the invention
For the deficiencies in the prior art, the adjustable wireless power of sensibility reciprocal provided by the invention is launched, receiving coil, can according to the needs of electric energy transmission, inductance value is adjusted with mechanical control mechanism automatic or manual, coordinate the capacitance simultaneously adjusted, the purpose of transmitting or receiving efficiency to reach best electromagnetic energy.
For solving above-mentioned technical problem, the present invention provides the adjustable wireless power of sensibility reciprocal to launch, receiving coil, it is characterized in that and includes magnetic flux layer A, mobile winding C, wherein, mobile winding C can be perpendicular to magnetic flux layer A and move, and there is spacing between mobile winding C and magnetic flux layer A, when mobile winding C moves close to magnetic flux layer A, the inductance value at mobile winding C two ends increases, and when mobile winding C moves away from magnetic flux layer, the inductance value at mobile winding C two ends reduces.
Further, on the basis of mobile winding C, increase fixing winding B, wire D, wherein, the head end of the end of fixing winding B with mobile winding C is connected by wire D, and fixing winding B is close to and is fixed on magnetic flux layer A, there is spacing between mobile winding C and magnetic flux layer A, mobile winding C moves in the scope vertical with magnetic flux layer A, regulates the inductance value between the head end of winding B and mobile winding C-terminal with this.
Further, fixing winding B, mobile winding C, wire D are formed by connecting respectively by multistage electric conductor, or same electric conductor is made.
Further, described transmitting or receiving coil are planar coil, and planar coil selects hollow or one side to be fixed on magnetic material.
The present invention is compared with prior art, it has the beneficial effect that the present invention is by simple structural adjustment sensibility reciprocal, solve the device of the device in the compatible multiple wireless power transmission standard of unicoil and electromagentic resonance formula wireless power transmission, launch, receive the technical problem that inductance coil inductance value continuously adjusts.
Accompanying drawing explanation
Fig. 1 is present configuration front view;
Fig. 2 is present configuration top view;
Fig. 3 is expansion structure front view of the present invention;
Fig. 4 is expansion structure top view of the present invention;
Fig. 5 is specific embodiments of the present invention right views;
Fig. 6 is specific embodiments of the present invention oblique views.
Description of symbols: A, magnetic flux layer, B, fixing winding, C, mobile winding, D, wire, E, panel, F, motor, G, screw rod, H, base, I, connecting line, J, control module.
Detailed description of the invention
Transmitting that current wireless electric energy transfer device uses or receiving coil, be mainly planar coil, and planar coil is divided into hollow and one side to be fixed on magnetic material two kinds. The method have the characteristics that the spacing that can pass through to adjust coil and permeability magnetic material adjusts the inductance value of EMR electromagnetic resonance. Referring to accompanying drawing 1 to accompanying drawing 6, provide the specific embodiment of the present invention, for the present invention will be further described.
Embodiment 1:
In the present embodiment 1, such as Fig. 1 to Fig. 2, magnetic flux layer A chooses permeability magnetic material, mobile winding C is not secured to magnetic flux layer A, according to electromagnetic property, the winding inductance quantity being close to permeability magnetic material is bigger than the inductance value away from permeability magnetic material, by adjusting magnetic flux layer A and the vertical interval of mobile winding C, reaches to change the purpose of inductance value.
When mobile winding C moves close to magnetic flux layer A, the inductance value at mobile winding C two ends increases, and when mobile winding C moves away from magnetic flux layer, the inductance value at mobile winding C two ends reduces.
The structure that the present embodiment provides both can be used as transmitting coil at transmitting terminal, it is also possible to is used as receiving coil at receiving terminal.
Embodiment 2:
In order to obtain better energy acceptance and magnetic field shielding effect, the structure that embodiment 1 is provided can be extended, such as Fig. 3 to Fig. 4.
The structure of extension includes: the magnetic flux layer A that permeability magnetic material is made, and is close to and is fixed on the fixing winding B of magnetic flux layer A, it is possible to the mobile winding C of movement in certain vertical range, and connects the wire D of fixing winding B and mobile winding C.
Fixing winding B, mobile winding C, wire D can be formed by same plain conductor, it is possible to connect after being coiled into by different conductor; Fix winding B in the present embodiment 2, mobile winding C, wire D are that stagewise connects, and the end of fixing winding B is connected by wire D with first section of mobile winding C.
Fixing winding B is close to and is fixed on transmitting or the reception of magnetic flux layer A guarantee electromagnetic field, reduces the phenomenon of leakage field simultaneously. Mobile winding C changes with the spacing distance of magnetic flux layer A according to it, moves in vertical range, changes the inductance value of fixing winding B, mobile winding C, wire D entirety with this.
The structure that the present embodiment provides both can be used as transmitting coil at transmitting terminal, it is also possible to is used as receiving coil at receiving terminal.
Embodiment 3:
Provide the concrete application based on embodiment 2 expansion structure in the present embodiment.
Launched by adjustable for sensibility reciprocal wireless power, receiving coil is applied in the large, medium and small power apparatus in wireless power field, and the present embodiment, for the wireless charging stake in automobile wireless charging field, carries out the explanation being embodied as.
Embodiment is as follows:
Multiple feasible frequency range is had at current automobile wireless charging pile, the charging pile of different company's research and development is likely to use different frequencies, in order to make the adaptive different wireless charging stake of electric automobile energy, except the compatibility of communication aspects, most important is exactly need a reception inductance coil that can adjust resonance characteristics according to different charge frequency; Different according to resonance connected mode, it is necessary to adjust coil and the capacitance coordinated simultaneously.
The present embodiment, in concrete application structure, including firm banking H, panel E, is fixed on the loop construction of firm banking H, drive mechanism, and passes through the connecting line I control module J being connected with loop construction and drive mechanism.
Loop construction includes magnetic flux layer A, fixing winding B, mobile winding C, wire D; Magnetic flux layer A is fixed on the upper surface of firm banking H, fixing winding B is close to and is fixed on magnetic flux layer A, spacing is there is between mobile winding C and magnetic flux layer A, mobile winding C is fixed on panel E, and move in the scope vertical with magnetic flux layer A, the end of fixing winding B is connected by wire D with first section of mobile winding C. Fix winding B in the present invention, mobile winding C is coil.
Described drive mechanism includes screw rod G, drives the screw rod G motor F moved; It is provided with screw rod G, panel E at the upper surface two ends of firm banking H and is fixed on the top of loop construction by the screw rod G at two ends; It is provided with motor F at the lower surface two ends of firm banking H, so can ensure that to parallel with fixing winding B in the coil plane position of mobile winding C.
Above-mentioned motor F can not also be located at the lower surface of firm banking H, motor F be directly connected to drive screw rod G to move, thus realizing the relative movement of magnetic flux layer A and mobile winding C, it is achieved the adjustment of inductance value.
The motor F of above-mentioned drive mechanism can also adopt artificial replacement to be adjusted moving.
In the structure of the present embodiment, magnetic flux layer A is between the upper surface two ends screw rod G of firm banking H, panel E is fixed on directly over mobile winding C by the screw rod G at two ends, and connecting line I is connected with loop construction by mobile winding C, and panel E adopts non-conductive non-magnet_conductible material.
In specifically used process, when needs increase inductance value, control module J drive stepping motor F, make fixing winding B close to magnetic flux layer A; When needs reduce inductance value, control module drive motor and make fixing winding B away from magnetic flux layer A. Such control mode, can adjust the inductance value of the present embodiment within the specific limits.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms. Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. the adjustable wireless power transmitting of sensibility reciprocal, receiving coil, it is characterized in that: include magnetic flux layer (A), mobile winding (C), wherein, it is mobile that mobile winding (C) can be perpendicular to magnetic flux layer (A), there is spacing between mobile winding (C) and magnetic flux layer (A), when mobile winding (C) moves close to magnetic flux layer A, the inductance value at mobile winding (C) two ends increases, when mobile winding (C) moves away from magnetic flux layer, the inductance value at mobile winding (C) two ends reduces.
2. the adjustable wireless power transmitting of sensibility reciprocal as claimed in claim 1, receiving coil, it is characterized in that: on the basis of mobile winding (C), increase fixing winding (B), wire (D), wherein, the head end of the end of fixing winding (B) with mobile winding (C) is connected by wire (D), fixing winding (B) is close to and is fixed on magnetic flux layer (A), there is spacing between mobile winding (C) and magnetic flux layer (A), mobile winding (C) is mobile in the scope vertical with magnetic flux layer (A).
3. the adjustable wireless power transmitting of sensibility reciprocal as claimed in claim 1 or 2, receiving coil, it is characterised in that:
Fixing winding (B), mobile winding (C), wire (D) are formed by connecting respectively by multistage electric conductor, or same electric conductor is made.
4. the adjustable wireless power transmitting of sensibility reciprocal as claimed in claim 3, receiving coil, it is characterised in that:
Described transmitting or receiving coil are planar coil, and planar coil selects hollow or one side to be fixed on magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148668.XA CN105656218B (en) | 2016-03-16 | 2016-03-16 | The adjustable wireless power transmitting of sensibility reciprocal, receiving coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148668.XA CN105656218B (en) | 2016-03-16 | 2016-03-16 | The adjustable wireless power transmitting of sensibility reciprocal, receiving coil |
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| Publication Number | Publication Date |
|---|---|
| CN105656218A true CN105656218A (en) | 2016-06-08 |
| CN105656218B CN105656218B (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610148668.XA Active CN105656218B (en) | 2016-03-16 | 2016-03-16 | The adjustable wireless power transmitting of sensibility reciprocal, receiving coil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555971A (en) * | 2021-07-27 | 2021-10-26 | 黄石邦柯科技股份有限公司 | Multi-channel adjustable wireless energy transfer device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142708A (en) * | 2010-01-29 | 2011-08-03 | 索尼公司 | Wireless charging apparatus and wireless charging system |
| CN103348562A (en) * | 2011-12-14 | 2013-10-09 | 松下电器产业株式会社 | Contactless connector device and system |
| CN205429895U (en) * | 2016-03-16 | 2016-08-03 | 中惠创智无线供电技术有限公司 | Wireless power supply transmission, receiving coil with adjustable sensibility reciprocal |
-
2016
- 2016-03-16 CN CN201610148668.XA patent/CN105656218B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142708A (en) * | 2010-01-29 | 2011-08-03 | 索尼公司 | Wireless charging apparatus and wireless charging system |
| CN103348562A (en) * | 2011-12-14 | 2013-10-09 | 松下电器产业株式会社 | Contactless connector device and system |
| CN205429895U (en) * | 2016-03-16 | 2016-08-03 | 中惠创智无线供电技术有限公司 | Wireless power supply transmission, receiving coil with adjustable sensibility reciprocal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555971A (en) * | 2021-07-27 | 2021-10-26 | 黄石邦柯科技股份有限公司 | Multi-channel adjustable wireless energy transfer device |
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| CN105656218B (en) | 2019-01-01 |
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Effective date of registration: 20180223 Address after: 518172 Guangdong Shenzhen city Longgang District Longcheng Street Tianan Digital City 4 B seat 603-604 Applicant after: Zhonghui Powerise (Shenzhen) wireless power supply technology Co. Ltd. Address before: Laishan Mingda road 264003 Shandong city of Yantai province No. 11 Applicant before: Middle favour Powerise wireless power Technology Co., Ltd. |
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Effective date of registration: 20200102 Address after: Room 134-135, No.1 Park, overseas students (Longgang) Pioneer Park, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhonghui Creative Technology Limited Address before: 518172 Guangdong Shenzhen city Longgang District Longcheng Street Tianan Digital City 4 B seat 603-604 Patentee before: Zhonghui Chuangzhi (Shenzhen) Wireless Power Supply Technology Co., Ltd. |
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Effective date of registration: 20220107 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 TECHNOLOGY Co.,Ltd. Address before: 518000 room 134-135, No.1 Pioneer Park for overseas Chinese (Longgang), Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ZONECHARGE INNOVATION TECHNOLOGY Co.,Ltd. |