CN105406610A - Coil self-decoupling double-phase reception apparatus applied to mobile transportation equipment wireless power supply - Google Patents
Coil self-decoupling double-phase reception apparatus applied to mobile transportation equipment wireless power supply Download PDFInfo
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- CN105406610A CN105406610A CN201511018641.0A CN201511018641A CN105406610A CN 105406610 A CN105406610 A CN 105406610A CN 201511018641 A CN201511018641 A CN 201511018641A CN 105406610 A CN105406610 A CN 105406610A
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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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention provides a coil self-decoupling double-phase reception apparatus applied to mobile transportation equipment wireless power supply, belonging to the technical field of magnetic coupling resonant wireless electric energy transmission and solving the problem that mobile transportation equipment in the prior art is low in power supply efficiency. 2n receiving coils are laid along the actual movement direction, the front end of the next receiving coil presses the rear end of the previous receiving coil, the overlapped areas are equal in width, and calculating from one side, the first, third, fifth receiving coil, ... 2n-1 receiving coil form a first-phase receiving coil, and two adjacent receiving coils in the first-phase receiving coil are successively and serially connected according to the synonym ends. the second, fourth, sixth receiving coil, ... 2n receiving coil form a second-phase receiving coil, and two adjacent receiving coils in the second-phase receiving coil are successively and serially connected according to the synonym ends. The width of the overlapped areas is in the range of 1/3-1/2 of the width of a single receiving coil. The coil self-decoupling double-phase reception apparatus is suitable for electric automobile wireless power supply.
Description
Technical field
The invention belongs to magnet coupled resonant type wireless electric energy transmission technology field.
Background technology
Along with the enhancing of low-carbon environment-friendly, green energy conservation consciousness, increasing mobile transporting equipment adopts electric energy as its power resources, and common supply power mode has sliding contact formula, cable-pulling chain formula and battery-operated type three kinds.Wherein, sliding contacting mode security reliability is low, and maintenance cost is high, and cable-pulling chain formula has strict restriction to displacement, and environment for use is very limited.In the occasion higher to the requirement on flexibility of equipment, normally battery-powered mode.And there are two kinds of shortcomings in powered battery mode, a kind of is the various problems such as volume, weight, price, material, safety, charging rate, life-span that there is battery, also have the production process of battery to belong to the process of high pollution, consumes resources, destruction biological environment, these shortcomings bring difficulty to the industrialization of electric automobile.Another kind is ground charging infrastructure issues, show because the charging interval is long on the one hand, need a large amount of chargings or change electric facility, these facilities need to take a large amount of floor area, need frequent maintenance simultaneously, on the other hand show that equipment needs charging of stopping frequently, the lower operational efficiency of equipment.And utilize wireless power transmission technology just can address these problems.
Mobile transporting equipment wireless power supply system can make equipment can power in real time at work or be battery electric energy supplement.This technology not only can cruising time of significantly even unconfined raising equipment, and equipment needs the quantity of the electrokinetic cell carried also can significantly reduce, and even can not need battery completely, ground will no longer include charging station, electrical changing station.All power supply facilitiess are all at below ground.There is not charging problems in equipment, electric energy problem solves by underground supply network more automatically.And in realization in mobile transporting equipment wireless power, wireless power transmission structure plays extremely important effect to the performance of system and construction cost, these performances comprise power supplying efficiency, maximum transmitted ability, airspace, sidesway ability, durability degree, electromagnetic radiation intensity, to influence degree etc. many aspects.How by reasonably designing the structure of power supply rail ferrite core structure and electric energy receiving system, thus improving above-mentioned performance, is the problem that this area needs solution badly.
Summary of the invention
The object of the invention is the problem that electric power supply security reliability is low, maintenance cost is high, power supplying efficiency is low solving existing mobile transporting equipment, propose be applied to mobile transporting equipment wireless power coil from decoupling two-phase receiving system.
Be applied to the coil of mobile transporting equipment wireless power from decoupling two-phase receiving system, this coil coordinates ambipolar power supply rail to realize wireless power transmission from decoupling two-phase receiving system; It comprises one flat plate magnetic core 4 and 2n receiving coil, and n is more than or equal to 1;
2n receiving coil is successively along the tiling arrangement of actual motion direction, and the front end of a rear receiving coil is pressed in the rear end of previous receiving coil, and overlapping region is wide, and 2n receiving coil after tiling is placed on the upper surface of dull and stereotyped magnetic core 4; And the region that the inward flange that dull and stereotyped magnetic core 4 at least covers 2n receiving coil surrounds;
Count from side, the 1st receiving coil, the 3rd receiving coil, the 5th receiving coil ..., and 2n-1 receiving coil composition the 1st Phase Receiver coil 1, adjacent two receiving coils in the 1st Phase Receiver coil 1 are connected in series successively by different name end;
2nd receiving coil, the 4th receiving coil, the 6th receiving coil ..., and 2n receiving coil composition the 2nd Phase Receiver coil 2, adjacent two receiving coils in the 2nd Phase Receiver coil 2 are connected in series successively by different name end;
The width of overlapping region be the width of single receiving coil 1/3 ~ 1/2 between.
The centre distance D of adjacent two receiving coils is 1/2 of the centre distance of adjacent two magnetic poles in the ambipolar power supply rail coordinated from decoupling two-phase receiving system with coil.
Receiving coil adopts LITZ line or the coiling of multiply enamel insulated wire.
Be applied to the coil of mobile transporting equipment wireless power from decoupling two-phase receiving system, coil from decoupling two-phase receiving system and ambipolar power supply rail with the use of, complete wireless power; Ambipolar power supply rail comprises power cable, magnetic pole and FERRITE CORE, and magnetic pole is positioned in FERRITE CORE, and power cable is wrapped on magnetic pole, and magnetic direction on adjacent pole is contrary; Transmitting coil is connected with former limit building-out capacitor, utilizes high frequency inverter to power;
It also comprises the 1st phase resonance building-out capacitor 5, the 2nd phase resonance building-out capacitor 6 and two rectifier bridges 7;
1st Phase Receiver coil 1 is connected with the 1st phase resonance building-out capacitor 5, and the 1st phase resonance building-out capacitor 5 connects a rectifier bridge 7;
2nd Phase Receiver coil 2 is connected with the 2nd phase resonance building-out capacitor 6, and the 2nd phase resonance building-out capacitor 6 connects another rectifier bridge 7;
Two rectifier bridges 7 are connected in series the rear output of coil from decoupling two-phase receiving system as being applied to mobile transporting equipment wireless power.
Receiving system of the present invention coordinates bipolar emitter guide rail (emitter) to carry out the wireless transmission of electric energy, requires that on guide rail adjacent pole, magnetic direction is contrary.When receiving system works in conjunction with emitter, the electric current of alternation produces the magnetic field of alternation contrary in real time on adjacent magnetic pole by power cable, and emitter and receiving system can realize the wireless transmission of electric energy by magnetic Field Coupling effect.
Beneficial effect of the present invention is: in receiving system of the present invention, two-phase receiving coil utilizes the mode of coiler part overlap, by appropriate design coil position and size, the coupling coefficient realizing two phase coils is zero, can not influence each other when ensureing two-phase receiving coil resonance.
Compared with prior art, the present invention has following advantage:
1, when receiving system moves along power supply rail, there is not power zero point, through-put power fluctuation range is little;
2, between two-phase receiving coil, coupling coefficient is 0, and therefore receiving terminal optional position, any time on power supply rail, two-phase receiving coil can work simultaneously, and the two-phase receiving terminal with early stage same size is compared, and through-put power is larger;
3, receiving system adopts planarized structure, and structure is frivolous, takes up room little;
4, compare with existing two-phase receiving terminal, receiving coil adopts non-overlapping structure, and receiving coil size is larger, and degree of coupling between power supply rail is higher.
The coil being applied to mobile transporting equipment wireless power that the present invention proposes, from decoupling two-phase receiving system, coordinates ambipolar power supply rail to realize wireless power transmission.Solve the problem that electric power supply security reliability is low, maintenance cost is high, power supplying efficiency is low of existing mobile transporting equipment.
The present invention is applicable to electric automobile wireless power.
Accompanying drawing explanation
Fig. 1 is without the structural representation of magnetic core two coil from decoupling two-phase receiving system;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 has magnetic core two coil from the structural representation of decoupling two-phase receiving system;
Fig. 4 is the bottom view of Fig. 3;
Fig. 5 is without the structural representation of magnetic core four coil from decoupling two-phase receiving system;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 has magnetic core four coil from the structural representation of decoupling two-phase receiving system;
Fig. 8 is the bottom view of Fig. 7;
Fig. 9 passes energy structural representation for there being magnetic core two coil from decoupling two-phase receiving system and the ambipolar power supply rail of one;
Figure 10 is Fig. 9 end view, and the magnetic line of force moves towards schematic diagram;
Figure 11 is the coil overall system architecture schematic diagram when decoupling two-phase receiving system carries out wireless power transmission in execution mode five;
Figure 12 is the structural representation of different name end series connection between two receiving coils;
Figure 13 is the structural representation of Same Name of Ends series connection between two receiving coils.
Embodiment
Embodiment one, illustrate present embodiment referring to figs. 1 through Fig. 8, Figure 12 and Figure 13, the coil being applied to mobile transporting equipment wireless power described in present embodiment is from decoupling two-phase receiving system, and this coil coordinates ambipolar power supply rail to realize wireless power transmission from decoupling two-phase receiving system; It comprises one flat plate magnetic core 4 and 2n receiving coil, and n is more than or equal to 1;
2n receiving coil is successively along the tiling arrangement of actual motion direction, and the front end of a rear receiving coil is pressed in the rear end of previous receiving coil, and overlapping region is wide, and 2n receiving coil after tiling is placed on the upper surface of dull and stereotyped magnetic core 4; And the region that the inward flange that dull and stereotyped magnetic core 4 at least covers 2n receiving coil surrounds;
Count from side, the 1st receiving coil, the 3rd receiving coil, the 5th receiving coil ..., and 2n-1 receiving coil composition the 1st Phase Receiver coil 1, adjacent two receiving coils in the 1st Phase Receiver coil 1 are connected in series successively by different name end;
2nd receiving coil, the 4th receiving coil, the 6th receiving coil ..., and 2n receiving coil composition the 2nd Phase Receiver coil 2, adjacent two receiving coils in the 2nd Phase Receiver coil 2 are connected in series successively by different name end;
The width of overlapping region be the width of single receiving coil 1/3 ~ 1/2 between.
In present embodiment, the size of appropriate design receiving coil, by the partly overlapping mode of receiving coil, the coupling coefficient between two-phase receiving coil is made to be zero, this by spatial relation realize coil remove coupling mode be called from decoupling, two-phase receiving coil may be simultaneously operated in resonance condition and does not influence each other.During low-power energy transmission, dull and stereotyped magnetic core can save.
In practical application, realize affecting by coil dimension and structure, magnetic core size and structure and their locus from the lap width of decoupling, usually can only to be emulated by finite element emulation software and actual measurement obtains.
Figure 12 is the structural representation of different name end series connection between two receiving coils; Figure 13 is the structural representation of Same Name of Ends series connection between two receiving coils.
According to the content of the record in Figure 12 and Figure 13, setting tool has that mutual inductance is M, inductance is respectively L
1and L
2two receiving coils, if the different name end of two receiving coils is connected, when namely making forward series connection (series connection along connects), its equivalent inductance L=L
1+ L
2+ 2M; If the Same Name of Ends of two receiving coils is connected, when namely doing anti-phase series connection (series connection reversal connection), equivalent inductance L=L
1+ L
2-2M.
Count from side, the 1st receiving coil, the 3rd receiving coil, the 5th receiving coil ..., and 2n-1 receiving coil composition the 1st Phase Receiver coil 1, adjacent two receiving coils in the 1st Phase Receiver coil 1 are by different name end serial connection; Also can be expressed as: count from side, 1st receiving coil, the 3rd receiving coil, the 5th receiving coil, and 2n-1 receiving coil composition the 1st Phase Receiver coil 1,1st receiving coil, the 3rd receiving coil, the 5th receiving coil,, and 2n-1 receiving coil does forward series connection successively.
2nd receiving coil, the 4th receiving coil, the 6th receiving coil ..., and 2n receiving coil composition the 2nd Phase Receiver coil 2, adjacent two receiving coils in the 2nd Phase Receiver coil 2 are connected in series successively by different name end; Also can be expressed as: the 2nd receiving coil, the 4th receiving coil, the 6th receiving coil,, and 2n receiving coil composition the 2nd Phase Receiver coil 2, the 2nd receiving coil, the 4th receiving coil, the 6th receiving coil,, and 2n receiving coil does forward series connection successively.
Embodiment two, present embodiment are to coil the further illustrating from decoupling two-phase receiving system being applied to mobile transporting equipment wireless power described in execution mode one, in present embodiment, the centre distance D of adjacent two receiving coils is 1/2 of the centre distance coordinating adjacent two magnetic poles in ambipolar power supply rail with coil from decoupling two-phase receiving system.
Embodiment three, present embodiment are to coil the further illustrating from decoupling two-phase receiving system being applied to mobile transporting equipment wireless power described in execution mode one, in present embodiment, the size of dull and stereotyped magnetic core covers the vacant position in the middle of receiving coil completely.
Magnetic core affects the self-induction of receiving coil on the one hand, also the degree of coupling between receiving coil and transmitting coil can be affected on the other hand, in receiving system, the size of magnetic core need cover the vacant position in the middle of receiving coil completely, can ensure that receiving coil has enough self-inductances, the coupling coefficient of receiving coil and transmitting coil is larger simultaneously.
Embodiment four, present embodiment are to coil the further illustrating from decoupling two-phase receiving system being applied to mobile transporting equipment wireless power described in execution mode one, in present embodiment, receiving coil adopts LITZ line or the coiling of multiply enamel insulated wire.
LITZ line is litz wire or Litz wire.
Embodiment five, reference Fig. 9, Figure 10 and Figure 11 illustrate present embodiment, present embodiment is to coil the further illustrating from decoupling two-phase receiving system being applied to mobile transporting equipment wireless power described in execution mode one, in present embodiment, coil from decoupling two-phase receiving system and ambipolar power supply rail with the use of, complete wireless power; Ambipolar power supply rail comprises power cable, magnetic pole and FERRITE CORE, and magnetic pole is positioned in FERRITE CORE, and power cable is wrapped on magnetic pole, and magnetic direction on adjacent pole is contrary; Transmitting coil is connected with former limit building-out capacitor, utilizes high frequency inverter to power;
It also comprises the 1st phase resonance building-out capacitor 5, the 2nd phase resonance building-out capacitor 6 and two rectifier bridges 3;
1st Phase Receiver coil 1 is connected with the 1st phase resonance building-out capacitor 5, and the 1st phase resonance building-out capacitor 5 connects a rectifier bridge 3;
2nd Phase Receiver coil 2 is connected with the 2nd phase resonance building-out capacitor 6, and the 2nd phase resonance building-out capacitor 6 connects another rectifier bridge 3;
Two rectifier bridges 3 are connected in series the rear output of coil from decoupling two-phase receiving system as being applied to mobile transporting equipment wireless power.
As shown in Figure 9 and Figure 10, the coil being applied to mobile transporting equipment wireless power described in present embodiment is receiving terminal from decoupling two-phase receiving system; Ambipolar power supply rail is transmitting terminal; Realized the wireless transmission of electric energy by magnetic Field Coupling effect between transmitting terminal and receiving terminal.
As shown in Figure 9 and Figure 10, in ambipolar power supply rail, on adjacent pole, magnetic direction is contrary, and power cable is wrapped on magnetic pole.Realized in the process of the wireless transmission of electric energy between transmitting terminal and receiving terminal by magnetic Field Coupling effect, the electric current of alternation produces the magnetic field of alternation contrary in real time on adjacent magnetic pole by power cable, transmitting terminal and receiving terminal can realize the wireless transmission of electric energy by magnetic Field Coupling effect.
Receiving terminal and transmitting terminal realize the wireless transmission of electric energy operation principle by magnetic Field Coupling effect is:
High frequency alternating current is by the power cable in transmitting terminal, in transmitting terminal two field structure guide rail constraint under, high-frequency alternating magnetic field is formed above guide rail, be positioned at receiving terminal directly over transmitting terminal guide rail and transmitting terminal forms magnetic Field Coupling, electric current is induced in the receiving coil of receiving terminal, by reasonably designing coil and circuit structure, the magnetic core of receiving terminal and the magnetic pole of ambipolar power supply rail (transmitting terminal) form magnetic loop, realize receiving terminal optional position above power supply rail and all can carry out the wireless transmission of electric energy efficiently.
Claims (4)
1. be applied to the coil of mobile transporting equipment wireless power from decoupling two-phase receiving system, this coil coordinates ambipolar power supply rail to realize wireless power transmission from decoupling two-phase receiving system; It is characterized in that, it comprises one flat plate magnetic core (4) and 2n receiving coil, and n is more than or equal to 1;
2n receiving coil is successively along the tiling arrangement of actual motion direction, and the front end of a rear receiving coil is pressed in the rear end of previous receiving coil, and overlapping region is wide, and 2n receiving coil after tiling is placed on the upper surface of dull and stereotyped magnetic core (4); And the region that the inward flange that dull and stereotyped magnetic core (4) at least covers 2n receiving coil surrounds;
Count from side, 1st receiving coil, the 3rd receiving coil, the 5th receiving coil,, and 2n-1 receiving coil composition the 1st Phase Receiver coil (1), adjacent two receiving coils in the 1st Phase Receiver coil (1) are connected in series successively by different name end;
2nd receiving coil, the 4th receiving coil, the 6th receiving coil ..., and 2n receiving coil composition the 2nd Phase Receiver coil (2), adjacent two receiving coils in the 2nd Phase Receiver coil (2) are connected in series successively by different name end;
The width of overlapping region be the width of single receiving coil 1/3 ~ 1/2 between.
2. the coil being applied to mobile transporting equipment wireless power according to claim 1 is from decoupling two-phase receiving system, it is characterized in that, the centre distance D of adjacent two receiving coils is 1/2 of the centre distance of adjacent two magnetic poles in the ambipolar power supply rail coordinated from decoupling two-phase receiving system with coil.
3. the coil being applied to mobile transporting equipment wireless power according to claim 1 is from decoupling two-phase receiving system, it is characterized in that, receiving coil adopts LITZ line or the coiling of multiply enamel insulated wire.
4. the coil being applied to mobile transporting equipment wireless power according to claim 1 is from decoupling two-phase receiving system, coil from decoupling two-phase receiving system and ambipolar power supply rail with the use of, complete wireless power; Ambipolar power supply rail comprises power cable, magnetic pole and FERRITE CORE, and magnetic pole is positioned in FERRITE CORE, and power cable is wrapped on magnetic pole, and magnetic direction on adjacent pole is contrary; Transmitting coil is connected with former limit building-out capacitor, utilizes high frequency inverter to power;
It is characterized in that, it also comprises the 1st phase resonance building-out capacitor (5), the 2nd phase resonance building-out capacitor (6) and two rectifier bridges (3);
1st Phase Receiver coil (1) is connected with the 1st phase resonance building-out capacitor (5), and the 1st phase resonance building-out capacitor (5) connects a rectifier bridge (3);
2nd Phase Receiver coil (2) is connected with the 2nd phase resonance building-out capacitor (6), and the 2nd phase resonance building-out capacitor (6) connects another rectifier bridge (3);
As the output of coil from decoupling two-phase receiving system being applied to mobile transporting equipment wireless power after two rectifier bridge (3) serial connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018641.0A CN105406610B (en) | 2015-12-29 | 2015-12-29 | Coil applied to mobile transporting equipment wireless power decouples two-phase reception device certainly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018641.0A CN105406610B (en) | 2015-12-29 | 2015-12-29 | Coil applied to mobile transporting equipment wireless power decouples two-phase reception device certainly |
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| CN105406610A true CN105406610A (en) | 2016-03-16 |
| CN105406610B CN105406610B (en) | 2017-11-03 |
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Cited By (13)
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| CN106301483A (en) * | 2016-08-30 | 2017-01-04 | 北京理工大学 | Near field communication system based on Inductive transmission, implantation medical equipment |
| CN106549470A (en) * | 2016-12-22 | 2017-03-29 | 赵阳 | One-to-many wireless charging system |
| CN106541198A (en) * | 2017-01-10 | 2017-03-29 | 哈尔滨工业大学 | Wireless type welder |
| CN106961161A (en) * | 2017-04-13 | 2017-07-18 | 华为机器有限公司 | A kind of reception device, Electromagnetic Coupling System and wireless power transmission circuit |
| CN106981931A (en) * | 2017-05-17 | 2017-07-25 | 中国科学院电工研究所 | A kind of contactless inductive power supply device of three-phase structure primary coil |
| CN107276251A (en) * | 2017-06-22 | 2017-10-20 | 上海交通大学 | Improve four coil reception devices and its application of mobile wireless electric energy transmission of electricity quality |
| CN107623364A (en) * | 2017-09-27 | 2018-01-23 | 哈尔滨工业大学 | Two-way space magnetic field ecad electric energy receiving terminal applied to electric automobile wireless charging |
| CN108382246A (en) * | 2018-03-20 | 2018-08-10 | 哈尔滨工业大学 | Three-phase type magnetic coupling applied to the power supply of vehicle dynamic radio |
| CN108565979A (en) * | 2018-05-07 | 2018-09-21 | 西南交通大学 | A kind of radio energy dynamic constant power output system and its equivalent resistance control method |
| CN109435716A (en) * | 2018-12-17 | 2019-03-08 | 哈尔滨工业大学 | A kind of triple-pole type magnetic coupling applied to rail traffic wireless power supply system |
| CN112491160A (en) * | 2020-11-17 | 2021-03-12 | 哈尔滨工业大学 | Circuit structure and parameter design method for current balance between two-strand parallel-wound wireless power transmission coil strands |
| CN112886716A (en) * | 2021-01-19 | 2021-06-01 | 重庆科技学院 | Integrated electromagnetic coupling mechanism and electric energy transmitting end, receiving end and transmission system thereof |
| CN113258689A (en) * | 2021-06-09 | 2021-08-13 | 重庆前卫无线电能传输研究院有限公司 | Wireless energy transmitting device and multi-guide-rail wireless energy transmission system |
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| CN106301483A (en) * | 2016-08-30 | 2017-01-04 | 北京理工大学 | Near field communication system based on Inductive transmission, implantation medical equipment |
| CN106549470A (en) * | 2016-12-22 | 2017-03-29 | 赵阳 | One-to-many wireless charging system |
| CN106541198B (en) * | 2017-01-10 | 2018-10-09 | 哈尔滨工业大学 | Wireless type welder |
| CN106541198A (en) * | 2017-01-10 | 2017-03-29 | 哈尔滨工业大学 | Wireless type welder |
| CN106961161A (en) * | 2017-04-13 | 2017-07-18 | 华为机器有限公司 | A kind of reception device, Electromagnetic Coupling System and wireless power transmission circuit |
| CN106961161B (en) * | 2017-04-13 | 2019-09-20 | 华为机器有限公司 | A kind of reception device, Electromagnetic Coupling System and wireless power transmission circuit |
| CN106981931B (en) * | 2017-05-17 | 2020-01-14 | 中国科学院电工研究所 | Non-contact induction power supply device of primary coil of three-phase structure |
| CN106981931A (en) * | 2017-05-17 | 2017-07-25 | 中国科学院电工研究所 | A kind of contactless inductive power supply device of three-phase structure primary coil |
| CN107276251A (en) * | 2017-06-22 | 2017-10-20 | 上海交通大学 | Improve four coil reception devices and its application of mobile wireless electric energy transmission of electricity quality |
| CN107623364A (en) * | 2017-09-27 | 2018-01-23 | 哈尔滨工业大学 | Two-way space magnetic field ecad electric energy receiving terminal applied to electric automobile wireless charging |
| CN108382246A (en) * | 2018-03-20 | 2018-08-10 | 哈尔滨工业大学 | Three-phase type magnetic coupling applied to the power supply of vehicle dynamic radio |
| CN108565979A (en) * | 2018-05-07 | 2018-09-21 | 西南交通大学 | A kind of radio energy dynamic constant power output system and its equivalent resistance control method |
| CN108565979B (en) * | 2018-05-07 | 2022-03-04 | 西南交通大学 | Wireless electric energy dynamic constant power output system and equivalent resistance control method thereof |
| CN109435716A (en) * | 2018-12-17 | 2019-03-08 | 哈尔滨工业大学 | A kind of triple-pole type magnetic coupling applied to rail traffic wireless power supply system |
| CN112491160A (en) * | 2020-11-17 | 2021-03-12 | 哈尔滨工业大学 | Circuit structure and parameter design method for current balance between two-strand parallel-wound wireless power transmission coil strands |
| CN112886716A (en) * | 2021-01-19 | 2021-06-01 | 重庆科技学院 | Integrated electromagnetic coupling mechanism and electric energy transmitting end, receiving end and transmission system thereof |
| CN112886716B (en) * | 2021-01-19 | 2023-03-28 | 重庆科技学院 | Integrated electromagnetic coupling mechanism and electric energy transmitting end, receiving end and transmission system thereof |
| CN113258689A (en) * | 2021-06-09 | 2021-08-13 | 重庆前卫无线电能传输研究院有限公司 | Wireless energy transmitting device and multi-guide-rail wireless energy transmission system |
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| CN105406610B (en) | 2017-11-03 |
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