CN203562809U - Position-adaptive wireless charging coupler - Google Patents
Position-adaptive wireless charging coupler Download PDFInfo
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- CN203562809U CN203562809U CN201320718385.6U CN201320718385U CN203562809U CN 203562809 U CN203562809 U CN 203562809U CN 201320718385 U CN201320718385 U CN 201320718385U CN 203562809 U CN203562809 U CN 203562809U
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- coil
- wireless charging
- transmitting coil
- control switch
- adaptive wireless
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Abstract
The utility model provides a position-adaptive wireless charging coupler, and belongs to the field of wireless electric energy transmission and conversion. Automatic adaption of the position of a receiving coil within a wireless charging range can be achieved, highly efficient and stable wireless charging is realized, and the coupler has a wide market prospect. The position-adaptive wireless charging coupler comprises a wireless charging power supply (1), an on-off control switch (2), an automatic tracking circuit (3), and an array transmitting coil (4), the wireless charging power supply (1) loads a high frequency electromagnetic power to the array transmitting coil (4) via the on-off control switch (2) and the automatic tracking circuit (3), the array transmitting coil (4) performs ons and offs of each transmitting coil under the control of a coil scanning circuit (6), and four transmitting coils facing to a receiving coil (5) are finally determined so that automatic tracking of the position of the receiving coil (5) is realized.
Description
Technical field
Wireless power transmission technology is one of most active hot research direction in current electrical engineering field, it is the advanced subject that integrates basic research and application study, be the new research field of a multidisciplinary strong intersection of the outer academia of Present Domestic and industrial quarters exploration, contain many technical fields such as electromagnetic field, power electronic technology, electric power system, control technology, physics, materialogy, information technology.This technology completes transmission and the conversion of energy by the non-radiative near-field region between transmitting coil and receiving coil, can effectively overcome all kinds of defects that electric wire connected mode exists, realize freely powering of electronic apparatus, there is important application expection and vast potential for future development.
The utility model---position adaptive wireless charging coupler, based on wireless power transmission know-why, the transmitting coil that adopts matrix type to arrange, by the mode of rank scanning, be identified for the best effort coil of wireless charging, realize high efficiency wireless charging, the electrical characteristic of wireless charging system can be given full play to, the environment of public electricity-using occasion or various mobile kind equipment wireless powers can be widely used in.
Background technology
Wireless power transmission technology is broadly divided into three kinds: the first is inductive coupling type electric energy transmission, and it utilizes loosely coupled transformer principle to pass energy, and transmitting terminal and receiving terminal generally exist the core device that reduces loop magnetic resistance.The second is electromagnetic coupled resonant mode delivery of electrical energy, by inductance on the resonator of high quality factor and distributed capacitor generation resonance transmitting energy.The third is electromagnetic radiation formula delivery of electrical energy, and in this technology, electric energy is converted into microwave form, and transmission range exceedance km, can realize the teletransmission of electric energy.Wherein electromagnetic coupled harmonic technology utilizes non-radiative electromagnetic field near-field region to complete delivery of electrical energy, than induction biography energy, has had very large expansion in transmission range on the one hand; Compare on the other hand electromagnetic radiation formula and pass energy, near-field region energy has radiationless feature, and this technology has good fail safe, therefore obtains at present very large concern and research.
Utility model content
Technical problem to be solved in the utility model is, for when system starts wireless charging, the problem that causes charge efficiency to decline to a great extent due to the axial dipole field of mobile class coil position, the transmitting coil that design matrix type is arranged, by make-and-break control switch, transmitting coil is detected one by one, finally determine the transmitting coil of operating efficiency the best, realize the high efficient and reliable wireless transmission of electric energy.
The technical scheme that the utility model adopts is: position adaptive wireless charging coupler, including wireless charging power supply (1) is loaded into High frequency electromagnetic power on array transmitting coil (4) via make-and-break control switch (2) and automatic tracking circuit (3), array transmitting coil (4) turns on and off each transmitting coil under the control of coil scanning circuit (6), final determine receiving coil (5) over against four transmitting coils, realize receiving coil (5) position from motion tracking.
Described make-and-break control switch (2) is comprised of the air switch of belt controling signal line, integrated connection becomes the matrix form of six row nine row, wherein the left end input port of each line space air cock control signal wire links together, and draw six line scanning mouths, the right-hand member delivery outlet of each row air switch control signal wire links together, and draw nine column scan mouths, it is 0.1mm that the connection wire between air switch adopts wire diameter
2, the number of turn is the copper paint envelope curve of 1000 circles and mutually insulated, six line scanning mouths and nine equal switch-on coil scanning circuits of column scan mouth (6).
Described array transmitting coil (4) is comprised of single transmitting coil, and each coil is 0.1mm by wire diameter
2, the number of turn is that the copper paint envelope curve coiling of 1000 circles and mutually insulated forms, coil has gradually open form structure of planar rectangular spiral, the outermost layer length of side is 30cm, integral body is arranged into six row nine column matrix, each coil is connected with corresponding make-and-break control switch.
It is 0.1mm that described receiving coil (5) adopts wire diameter
2, the number of turn is that the copper paint envelope curve coiling of 1000 circles and mutually insulated forms, coil has gradually open form structure of planar rectangular spiral, the outermost layer length of side is 30cm, coil is laid on the high magnetic conduction ferrite flat board that the trade mark is PC95; When four summits of coil and four adjacent windings center superpositions in array transmitting coil matrix, it is theoretical best operational position.
Position of the present utility model adaptive wireless charging coupler, each coil in the mode pair array transmitting coil (4) scanning one by one with ranks by coil scanning circuit (6) cut-offs energising, by automatic tracking circuit (3), obtain the upper power obtaining of receiving coil (5), until find the optimum transmit coil that receiving coil (5) is corresponding, to obtain the wireless power transmission effect of high efficient and reliable.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present utility model;
Fig. 2 is the structure chart of make-and-break control switch (2);
Fig. 3 is the structure chart of array transmitting coil (4);
Fig. 4 is receiving coil (5) best operational position figure.
Wherein:
(1): wireless charging power supply; (2): make-and-break control switch; (3): automatic tracking circuit; (4): array transmitting coil; (5): receiving coil; (6): coil scanning circuit.
Embodiment
Below in conjunction with example and accompanying drawing, position of the present utility model adaptive wireless charging coupler is described in detail.
As shown in Figure 1, position of the present utility model adaptive wireless charging coupler, includes: wireless charging power supply (1), make-and-break control switch (2), automatic tracking circuit (3), array transmitting coil (4), receiving coil (5), coil scanning circuit (6).
As shown in Figure 2, described make-and-break control switch (2) is comprised of the air switch of belt controling signal line, integrated connection becomes the matrix form of six row nine row, wherein the left end input port of each line space air cock control signal wire links together, and draw six line scanning mouths, the right-hand member delivery outlet of each row air switch control signal wire links together, and draws nine column scan mouths, six line scanning mouths and nine equal switch-on coil scanning circuits of column scan mouth (6).After automatic tracking circuit (3) detects the voltage signal of receiving coil (5), (2) six line scanning mouths of make-and-break control switch and nine column scan mouths are launched closure signal successively, cycle is 20ms, interval 10ms, air switch is by corresponding transmitting coil access wireless charging power supply (1), until all rank scanning mouths all complete single pass.
As shown in Figure 3, described array transmitting coil (4) is comprised of single transmitting coil, and integral body is arranged into six row nine column matrix, and each coil is connected with corresponding make-and-break control switch.After automatic tracking circuit (3) detects the voltage signal of receiving coil (5), wireless charging power supply (1) starts to start.Automatic tracking circuit (3) carries out of short duration energising by make-and-break control switch (2) to each transmitting coil, detect in real time the power signal of receiving coil (5) feedback, until each coil in array transmitting coil (4) completes break-make one time simultaneously.
As shown in Figure 4, described receiving coil (5) is placed in optional position, array transmitting coil (4) top, before wireless charging power supply (1) work in off state and do not have voltage signal to export, after wireless charging power supply (1) work, receiving coil (5) sends to the electromagnetic power signal receiving automatic tracking circuit (3) and carries out record by automatic tracking circuit (3).Automatic tracking circuit (3) by array transmitting coil (4) coil circulation energising one time after, according to the power signal receiving, find out four corresponding coil positions of maximum power value, and judge whether in adjacent states.If coil is in adjacent states, make-and-break control switch (2) accesses wireless charging power supply (1) by coil, thereby realizes the position adaptive wireless power supply of receiving coil (5); If wherein have coil and other coils non-conterminous, make-and-break control switch (2) accesses wireless charging power supply (1) by adjacent coil, thereby realizes the position adaptive wireless power supply of receiving coil (5); If coil is all non-conterminous, make-and-break control switch (2) is failure to actuate.When four summits of coil and four adjacent windings center superpositions in array transmitting coil matrix, it is theoretical best operational position.
Position of the present utility model adaptive wireless charging coupler, each coil in the mode pair array transmitting coil (4) scanning one by one with ranks by coil scanning circuit (6) cut-offs energising, by automatic tracking circuit (3), obtain the upper power obtaining of receiving coil (5), until find the optimum transmit coil that receiving coil (5) is corresponding, to obtain the wireless power transmission effect of high efficient and reliable.Under normal operation, can realize that any receiving coil (5) in array transmitting coil (4) top is carried out to position is adaptively selected, and realize efficient wireless power, can be widely used in public electricity-using occasion or various mobile device wireless charging environment, have that highly effective and safe is reliable, a cost and maintenance cost is low, easy and simple to handle and the intelligent advantage such as controlled.
Claims (4)
1. position adaptive wireless charging coupler, it is characterized in that described wireless charging power supply (1) is loaded into High frequency electromagnetic power on array transmitting coil (4) via make-and-break control switch (2) and automatic tracking circuit (3), array transmitting coil (4) turns on and off each transmitting coil under the control of coil scanning circuit (6), final determine receiving coil (5) over against four transmitting coils, realize receiving coil (5) position from motion tracking.
2. position according to claim 1 adaptive wireless charging coupler, be further characterized in that, described make-and-break control switch (2) is comprised of the air switch of belt controling signal line, integrated connection becomes the matrix form of six row nine row, wherein the left end input port of each line space air cock control signal wire links together, and draw six line scanning mouths, the right-hand member delivery outlet of each row air switch control signal wire links together, and draw nine column scan mouths, it is 0.1mm that the connection wire between air switch adopts wire diameter
2, the number of turn is the copper paint envelope curve of 1000 circles and mutually insulated, six line scanning mouths and nine equal switch-on coil scanning circuits of column scan mouth (6).
3. position according to claim 1 adaptive wireless charging coupler, is further characterized in that, described array transmitting coil (4) is comprised of single transmitting coil, and each coil is 0.1mm by wire diameter
2, the number of turn is that the copper paint envelope curve coiling of 1000 circles and mutually insulated forms, coil has gradually open form structure of planar rectangular spiral, the outermost layer length of side is 30cm, integral body is arranged into six row nine column matrix, each coil is connected with corresponding make-and-break control switch.
4. position according to claim 1 adaptive wireless charging coupler, is further characterized in that, it is 0.1mm that described receiving coil (5) adopts wire diameter
2, the number of turn is that the copper paint envelope curve coiling of 1000 circles and mutually insulated forms, coil has gradually open form structure of planar rectangular spiral, the outermost layer length of side is 30cm, coil is laid on the high magnetic conduction ferrite flat board that the trade mark is PC95; When four summits of coil and four adjacent windings center superpositions in array transmitting coil matrix, it is theoretical best operational position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320718385.6U CN203562809U (en) | 2013-11-11 | 2013-11-11 | Position-adaptive wireless charging coupler |
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CN201320718385.6U CN203562809U (en) | 2013-11-11 | 2013-11-11 | Position-adaptive wireless charging coupler |
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CN201320718385.6U Expired - Fee Related CN203562809U (en) | 2013-11-11 | 2013-11-11 | Position-adaptive wireless charging coupler |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103560562A (en) * | 2013-11-11 | 2014-02-05 | 天津工业大学 | Location self-adaptation wireless charging coupler |
CN112003389A (en) * | 2020-09-04 | 2020-11-27 | 江苏方天电力技术有限公司 | Robot wireless charging rapid positioning system and method based on multi-transmitting coil array |
WO2023005625A1 (en) * | 2021-07-28 | 2023-02-02 | 广西电网有限责任公司电力科学研究院 | Wireless charging coupling mechanism, and wireless power transmission system and method |
-
2013
- 2013-11-11 CN CN201320718385.6U patent/CN203562809U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103560562A (en) * | 2013-11-11 | 2014-02-05 | 天津工业大学 | Location self-adaptation wireless charging coupler |
CN103560562B (en) * | 2013-11-11 | 2016-05-18 | 天津工业大学 | Position adaptive wireless charging coupler |
CN112003389A (en) * | 2020-09-04 | 2020-11-27 | 江苏方天电力技术有限公司 | Robot wireless charging rapid positioning system and method based on multi-transmitting coil array |
CN112003389B (en) * | 2020-09-04 | 2021-11-23 | 江苏方天电力技术有限公司 | Robot wireless charging rapid positioning system and method based on multi-transmitting coil array |
WO2023005625A1 (en) * | 2021-07-28 | 2023-02-02 | 广西电网有限责任公司电力科学研究院 | Wireless charging coupling mechanism, and wireless power transmission system and method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20141111 |
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EXPY | Termination of patent right or utility model |