CN103545940A - Asymmetrical on-line wireless power supply coupler - Google Patents
Asymmetrical on-line wireless power supply coupler Download PDFInfo
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- CN103545940A CN103545940A CN201310566177.3A CN201310566177A CN103545940A CN 103545940 A CN103545940 A CN 103545940A CN 201310566177 A CN201310566177 A CN 201310566177A CN 103545940 A CN103545940 A CN 103545940A
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Abstract
The invention discloses an asymmetrical on-line wireless power supply coupler, and belongs to the field of wireless electric energy transmission and conversion. According to the asymmetrical on-line wireless power supply coupler, real-time wireless power supply can be achieved in the process of movement of electric cars with loads, an on-line wireless charging power source can be provided for high-efficiency stable wireless charging, and the asymmetrical on-line wireless power supply coupler has broad market prospect. The asymmetrical on-line wireless power supply coupler comprises a wireless charging power source (1), an on-off control switch (2), an automatic tuning circuit (3), an asymmetrical transmitting coil (4), an asymmetrical resonance coil (5), a receiving terminal cooperative work coil (6) and a load (7), wherein the wireless charging power source (1) loads high-frequency electromagnetic power to the asymmetrical transmitting coil (4) through the on-off control switch (2) and the automatic tuning circuit (3), the high-frequency electromagnetic power can be distributed in the surrounding space after circuit resonance is generated by the asymmetrical transmitting coil (4), the wireless electric energy transmission effect is improved when the asymmetrical resonance coil (5) carries out resonance, the automatic tuning circuit (3) begins increasing output power after detecting the situation that the receiving terminal cooperative work coil (6) enters a designated area, electric energy is obtained by the receiving terminal cooperative work coil (6), and electricity is provided for the load (7).
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 present invention---asymmetric online wireless power coupler, based on wireless power transmission know-why, design has the transmitting coil of loop structure, make high-frequency electromagnetic Energy distribution in transmitting coil surrounding space, utilize near field resonance to be designed to planar structure with the advantage of responding to two kinds of technology of coupling is integrated on vehicles chassis to facilitate simultaneously, thereby give full play to the electrical characteristic of wireless charging system, the high efficiency wireless charging in 1 meter of distance can be realized, 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 the dry rice of transmission range exceedance, 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.
Summary of the invention
Technical problem to be solved by this invention is, in mobile class vehicles driving process, the problem of the large capacity electric energy of acquisition of efficient stable, design asymmetric online wireless power coupler, make high-frequency electromagnetic Energy distribution in coil near zone, by passive resonance coil, play the effect that magnetic field strengthens, then design plane structure and work in the receiving coil of collaborative work state, realizes the high efficient and reliable wireless transmission of electric energy simultaneously.
The technical solution adopted in the present invention is: asymmetric online wireless power coupler, including wireless charging power supply (1) is loaded into High frequency electromagnetic power on asymmetric transmitting coil (4) via make-and-break control switch (2) and automatic tuning circuit (3), after asymmetric transmitting coil (4) produces circuit resonance, High frequency electromagnetic power will be distributed in surrounding space, asymmetric resonance coil (5) is fixed on the wireless power transmission effect that asymmetric transmitting coil (4) top makes progress to strengthen the party, automatic tuning circuit (3) detects after receiving terminal collaborative work coil (6) enters appointed area and starts to improve power output, and obtain electric energy and power to load (7) by receiving terminal collaborative work coil (6).
Described asymmetric transmitting coil (4) is by two groups of transmitting coil cross-circulations and sprawl and form along straight line, and every group of coil has four sub-windings, by wire diameter, is 0.2mm
2, the number of turn is that the copper paint envelope curve coiling of 1000 circles and mutually insulated forms, coil has plane DNA spiral chi structure, cycle period length is 30cm, integral body is arranged into linear structure, coil below and side are equipped with high magnetic conduction ferrite.
Described asymmetric resonance coil (5) is 0.1mm by adopting 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 fixed on 15cm place, asymmetric transmitting coil (4) plane top, adopt high pressure resistant metal thin film capacitor and coil to carry out in parallel, thereby make the natural resonance frequency of asymmetric resonance coil (5) consistent with the operating frequency of wireless charging power supply (1).
Described receiving terminal collaborative work coil (6) consists of jointly single turn passive resonance device and multiturn induction coil, and wherein passive resonance device adopts the anaerobic copper tube that pipe diameter is 8mm to be made into square structure, is parallel with high pressure resistant metal thin film capacitor; It is 0.1mm that multiturn induction coil 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, be in series with high pressure resistant metal thin film capacitor, the outermost layer length of side is 30cm, and coil is laid on the high magnetic conduction ferrite flat board that the trade mark is PC95.
Asymmetric online wireless power coupler of the present invention, adopt asymmetric online wireless power coupler, make high-frequency electromagnetic Energy distribution in coil near zone, by passive resonance coil, play the effect that magnetic field strengthens simultaneously, when its top of mobile kind equipment process, by receiving terminal collaborative work coil, obtain in real time electric weight, realize the high efficient and reliable wireless transmission of electric energy.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present invention;
Fig. 2 is the structure chart of asymmetric transmitting coil (4);
Fig. 3 is the structure chart of asymmetric resonance coil (5);
Fig. 4 is the structure chart of receiving terminal collaborative work coil (6).
Wherein:
(1): wireless charging power supply; (2): make-and-break control switch; (3): automatic tuning circuit; (4): asymmetric transmitting coil; (5): asymmetric resonance coil; (6): receiving terminal collaborative work coil; (7): load; (8): high magnetic conduction ferrite; (9): single turn passive resonance device; (10): multiturn induction coil.
Embodiment
Below in conjunction with example and accompanying drawing, asymmetric online wireless power coupler of the present invention is described in detail.
As shown in Figure 1, position of the present invention adaptive wireless charging coupler, include: wireless charging power supply (1), make-and-break control switch (2), automatic tuning circuit (3), asymmetric transmitting coil (4), asymmetric resonance coil (5), receiving terminal collaborative work coil (6); Load (7).
As shown in Figure 2, described asymmetric transmitting coil (4) is by two groups of transmitting coil cross-circulations and sprawl and form along straight line, every group of coil has four sub-windings, coil has plane DNA spiral chi structure, cycle period length is 30cm, integral body is arranged into linear structure, and coil below and side are equipped with high magnetic conduction ferrite.When system is started working, asymmetric transmitting coil will be loaded with High frequency electromagnetic power on (4), and form electromagnetic field of high frequency around at coil.Below and side are equipped with high magnetic conduction ferrite (8) and have magnetic screening action, thereby electromagnetic field is concentrated on to coil top.
As shown in Figure 3, described asymmetric resonance coil (5) has gradually open form structure of planar rectangular spiral, the outermost layer length of side is 30cm, coil is fixed on 15cm place, asymmetric transmitting coil (4) plane top, adopt high pressure resistant metal thin film capacitor and coil to carry out in parallel, thereby make the natural resonance frequency of asymmetric resonance coil (5) consistent with the operating frequency of wireless charging power supply (1).When asymmetric transmitting coil (4) is loaded with High frequency electromagnetic power, there is electromagnetic resonance in asymmetric resonance coil (5) simultaneously, electromagnetic energy exchanges between asymmetric transmitting coil (4) and asymmetric resonance coil (5), and the scope that electromagnetic field of high frequency exists in space is simultaneously expanded.
As shown in Figure 4, described receiving terminal collaborative work coil (6) consists of jointly single turn passive resonance device (9) and multiturn induction coil (10), and wherein single turn passive resonance device (9) is parallel with high pressure resistant metal thin film capacitor; Multiturn induction coil (10) is in series with high pressure resistant metal thin film capacitor, and coil is laid on high magnetic conduction ferrite flat board.When there is exchange in electromagnetic energy between asymmetric transmitting coil (4) and asymmetric resonance coil (5), there is resonance with asymmetric resonance coil (5) in single turn passive resonance device (9), will, a part for electromagnetic energy is transferred to single turn passive resonance device (9) above by the mode of near field resonance, and induction is coupled on multiturn induction coil (10).The mode that multiturn induction coil (10) is also coupled by induction simultaneously directly obtains electric energy from asymmetric transmitting coil (4) elect magnetic field around.Finally, two parts electric energy is given load (7) power supply simultaneously.When load (7) is advanced along the region that is equipped with asymmetric transmitting coil (4), above process occurs in real time, thereby drives load (7) to move forward.
Asymmetric online wireless power coupler of the present invention, adopt asymmetric online wireless power coupler, make high-frequency electromagnetic Energy distribution in coil near zone, by passive resonance coil, play the effect that magnetic field strengthens simultaneously, when its top of mobile kind equipment process, a part for electromagnetic energy is transferred to single turn passive resonance device (9) above by the mode of near field resonance, and induction is coupled on multiturn induction coil (10); The mode that another part is also coupled by induction by multiturn induction coil (10) directly obtains from asymmetric transmitting coil (4) elect magnetic field around.When load (7) is advanced along the region that is equipped with asymmetric transmitting coil (4), can be real-time receive electric energy.By asymmetric online wireless power coupler of the present invention, can make the load of electric automobile class realize in the process of moving real-time radio power supply, thereby solve the inconvenient problem of charging, realize the high efficient and reliable wireless transmission of electric energy.
Claims (4)
1. asymmetric online wireless power coupler, it is characterized in that described wireless charging power supply (1) is loaded into High frequency electromagnetic power on asymmetric transmitting coil (4) via make-and-break control switch (2) and automatic tuning circuit (3), after asymmetric transmitting coil (4) produces circuit resonance, High frequency electromagnetic power will be distributed in surrounding space, asymmetric resonance coil (5) is fixed on the wireless power transmission effect that asymmetric transmitting coil (4) top makes progress to strengthen the party, automatic tuning circuit (3) detects after receiving terminal collaborative work coil (6) enters appointed area and starts to improve power output, and obtain electric energy and power to load (7) by receiving terminal collaborative work coil (6).
2. asymmetric online wireless power coupler according to claim 1, be further characterized in that, described asymmetric transmitting coil (4) is by two groups of transmitting coil cross-circulations and sprawl and form along straight line, and every group of coil has four sub-windings, by wire diameter, is 0.2mm
2, the number of turn be 1000 and the copper paint envelope curve coiling of mutually insulated form, coil has plane DNA spiral chi structure, cycle period length is 30cm, integral body is arranged into linear structure, coil below and side are equipped with high magnetic conduction ferrite.
3. asymmetric online wireless power coupler according to claim 1, is further characterized in that, described asymmetric resonance coil (5) is 0.1mm by adopting 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 fixed on 15cm place, asymmetric transmitting coil (4) plane top, adopt high pressure resistant metal thin film capacitor and coil to carry out in parallel, thereby make the natural resonance frequency of asymmetric resonance coil (5) consistent with the operating frequency of wireless charging power supply (1).
4. asymmetric online wireless power coupler according to claim 1, be further characterized in that, described receiving terminal collaborative work coil (6) consists of jointly single turn passive resonance device and multiturn induction coil, wherein passive resonance device adopts the anaerobic copper tube that pipe diameter is 8mm to be made into square structure, is parallel with high pressure resistant metal thin film capacitor; It is 0.1mm that multiturn induction coil 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, be in series with high pressure resistant metal thin film capacitor, the outermost layer length of side is 30cm, and coil is laid on the high magnetic conduction ferrite flat board that the trade mark is PC95.
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| CN201310566177.3A CN103545940A (en) | 2013-11-11 | 2013-11-11 | Asymmetrical on-line wireless power supply coupler |
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| CN201310566177.3A CN103545940A (en) | 2013-11-11 | 2013-11-11 | Asymmetrical on-line wireless power supply coupler |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362713A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Photovoltaic-powered street lamp type wireless charging pile for electric automobiles |
| CN104362714A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Cellular wireless charging pole for electric automobile |
| CN104362715A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Wireless charging pile for electric automobile |
| CN104377793A (en) * | 2014-12-05 | 2015-02-25 | 国家电网公司 | Wind power and photovoltaic power based wireless charging pile for electric vehicles |
| CN105186720A (en) * | 2015-10-24 | 2015-12-23 | 宁波微鹅电子科技有限公司 | Transmitting coil structure and wireless electric energy transmitting terminal applying transmitting coil structure |
| CN105788084A (en) * | 2016-02-18 | 2016-07-20 | 上海胜迈机电科技有限公司 | Full-automatic car roof induction type public charging pile |
| CN106058953A (en) * | 2015-04-17 | 2016-10-26 | 李尔公司 | Wireless charging magnetic structure |
| CN107067914A (en) * | 2017-05-15 | 2017-08-18 | 天津中德应用技术大学 | Electromagnetic induction and EMR electromagnetic resonance contrast experiment system and its experimental method |
| CN108407664A (en) * | 2018-05-14 | 2018-08-17 | 中国电力科学研究院有限公司 | A kind of electric vehicle dynamic radio charging system and charging method |
| CN109119236A (en) * | 2018-07-25 | 2019-01-01 | 天津工业大学 | A kind of asymmetry electromagnetism integrated coupler |
| CN110001425A (en) * | 2019-04-29 | 2019-07-12 | 北京有感科技有限责任公司 | A kind of Wireless charging coil shell |
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| CN104362714A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Cellular wireless charging pole for electric automobile |
| CN104362715A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Wireless charging pile for electric automobile |
| CN104377793A (en) * | 2014-12-05 | 2015-02-25 | 国家电网公司 | Wind power and photovoltaic power based wireless charging pile for electric vehicles |
| CN104362714B (en) * | 2014-12-05 | 2017-06-06 | 国家电网公司 | A kind of electric automobile cellular radio charging pile |
| CN104362713A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Photovoltaic-powered street lamp type wireless charging pile for electric automobiles |
| CN106058953A (en) * | 2015-04-17 | 2016-10-26 | 李尔公司 | Wireless charging magnetic structure |
| CN106058953B (en) * | 2015-04-17 | 2019-03-26 | 李尔公司 | Wireless charging magnetic texure |
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| CN105186720A (en) * | 2015-10-24 | 2015-12-23 | 宁波微鹅电子科技有限公司 | Transmitting coil structure and wireless electric energy transmitting terminal applying transmitting coil structure |
| CN105186720B (en) * | 2015-10-24 | 2017-12-26 | 宁波微鹅电子科技有限公司 | A kind of transmitting coil structure and apply its radio energy transmitting terminal |
| CN105788084B (en) * | 2016-02-18 | 2019-02-12 | 上海理工大学 | The public charging pile of full-automatic roof induction type |
| CN105788084A (en) * | 2016-02-18 | 2016-07-20 | 上海胜迈机电科技有限公司 | Full-automatic car roof induction type public charging pile |
| CN107067914A (en) * | 2017-05-15 | 2017-08-18 | 天津中德应用技术大学 | Electromagnetic induction and EMR electromagnetic resonance contrast experiment system and its experimental method |
| CN108407664A (en) * | 2018-05-14 | 2018-08-17 | 中国电力科学研究院有限公司 | A kind of electric vehicle dynamic radio charging system and charging method |
| CN109119236A (en) * | 2018-07-25 | 2019-01-01 | 天津工业大学 | A kind of asymmetry electromagnetism integrated coupler |
| CN110001425A (en) * | 2019-04-29 | 2019-07-12 | 北京有感科技有限责任公司 | A kind of Wireless charging coil shell |
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