CN103915907B - Principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof - Google Patents
Principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof Download PDFInfo
- Publication number
- CN103915907B CN103915907B CN201410111270.XA CN201410111270A CN103915907B CN 103915907 B CN103915907 B CN 103915907B CN 201410111270 A CN201410111270 A CN 201410111270A CN 103915907 B CN103915907 B CN 103915907B
- Authority
- CN
- China
- Prior art keywords
- coil
- coupling
- subordinate
- principal
- resonance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to wireless power transmission field, be specifically related to a kind of principal and subordinate from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof, comprise: input circuit, transmitting coil series resonance electric capacity, principal and subordinate is from coupling magnetic resonance coil, receiving coil series resonance electric capacity and shaping and load circuit. Input circuit is containing input ac power, AC power impedance, high-frequency high-power resonance emission power, and principal and subordinate has transmitting coil and receiving coil from coupling magnetic resonance coil. Principal and subordinate also comprises from coupling magnetic resonance coil: principal and subordinate is from coupling coil single coil open loop structure, and principal and subordinate is from coupling coil single coil closed-loop structure, and principal and subordinate is from coupling coil multi-coil open loop structure, and principal and subordinate is from coupling coil multi-coil closed-loop structure. The present invention has effectively solved high-power, the high-frequency of magnetic resonance wireless power transmission and the problem of space compactness.
Description
Technical field
The invention belongs to wireless power transmission field, particularly principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof.
Background technology
Electric energy radio transmission as radio wave is the mankind's dream always, and over more than 100 year, a lot of scientists and engineers are carrying out this research and application always persistently. First electromagentic resonance formula radio energy transmission system is proposed by the researcher of Massachusetts Institute Technology, not outside emitting electromagnetic wave of electromagentic resonance formula transmission that what the induction transmission that uses from Qi standard was different is, and just form around a radiationless electromagnetic wave field. Intensity is similar with earth magnetic field intensity, can not produce harmful effect to human body and surrounding devices, and in moderate distance, to have high efficiency of transmission, its effective propagation path be tens centimetres to several meters. Research and develop a kind of radio energy transmission system based on electromagentic resonance principle, this system has the transmission range more farther than Qi standard, lower electromagnetic radiation and the efficiency of Geng Gao.
The wireless charging device of application is all induction charger in the market, and its charging principle is to improve delivery of electrical energy efficiency by short distance high coupling coefficient. And radio energy transmission system based on electromagentic resonance principle in moderate distance for efficient wireless power transmission under the low coefficient of coup provides brand-new thinking, if this technology can be successfully applied to Intelligent wireless terminal and charging electric vehicle, can bring significant wireless power transmission improved efficiency, make mobile charging more convenient and flexible.
The researcher of Massachusetts Institute Technology in 2007 has proposed electromagentic resonance formula radio energy transmission system, and in this system, electromagentic resonance coil has four, respectively: power coil, transmitting magnetic resonance coil, reception magnetic resonance coil and load receiving coil. The space that this multi-coil structure is also improved delivery of electrical energy efficiency, and coil has larger space to occupy, and is unfavorable for charging device compactness, efficient and medium and long distance transmission.
Therefore, design a magnetic resonance wireless electric energy transmission device that has higher efficiency of transmission in moderate distance, can have great market prospects. The present invention is intended to propose one and has space compactness, high efficiency magnetic resonance wireless electric energy transmission device.
Summary of the invention
The object of the present invention is to provide a kind of principal and subordinate from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof.
The principal and subordinate that the present invention proposes is from coupling magnetic resonance wireless electric energy transmission device, comprise: input circuit, transmitting coil series resonance electric capacity, principal and subordinate are from coupling magnetic resonance coil, receiving coil series resonance electric capacity and shaping and load circuit, input circuit comprises input ac power, AC power impedance, high-frequency high-power resonance emission power, principal and subordinate comprises that from coupling magnetic resonance coil principal and subordinate is coupled transmitting coil and principal and subordinate certainly from coupling receiver coil, wherein:
Input circuit is connected with transmitting coil series resonance electric capacity one end, the transmitting coil series resonance electric capacity other end is connected from coupling magnetic resonance coil one end with principal and subordinate, principal and subordinate is connected with receiving coil series resonance electric capacity from the coupling magnetic resonance coil other end, AC power is connected with AC power impedance one end, the AC power impedance other end is connected with high-frequency high-power resonance emission power one end, and the receiving coil series resonance electric capacity other end is connected with load circuit with shaping.
In the present invention, described principal and subordinate includes auxiliary from transmitting magnetic coupling coil and primary resonance transmitting coil from coupling transmitting coil, and both share a coil; Described principal and subordinate includes auxiliary from receiving magnetic coupling coil and primary resonance receiving coil from coupling receiver coil, and both share a coil.
In the present invention, described principal and subordinate has certain distance from coupling transmitting coil and principal and subordinate in space from coupling receiver coil.
In the present invention, the quantity of described primary resonance transmitting coil and primary resonance receiving coil equates.
In the present invention, when primary resonance transmitting coil is during in open loop situations, primary resonance receiving coil is in open loop situations; When primary resonance transmitting coil is during in closed loop state, primary resonance receiving coil is in closed loop state.
In the present invention, when auxiliary while being multiple from transmitting magnetic coupling coil, eachly auxiliaryly connect a transmitting coil series resonance electric capacity from transmitting magnetic coupling coil, described multiple transmitting coil series resonance electric capacity is connected from launching magnetic coupling coil with separately auxiliary; Accordingly, auxiliary is multiple from receiving magnetic coupling coil, eachly auxiliaryly connects a receiving coil series resonance electric capacity from receiving magnetic coupling coil, and described multiple receiving coil series resonance electric capacity is connected from reception magnetic coupling coil with separately auxiliary.
The principal and subordinate that the present invention proposes is from the method for operating of coupling magnetic resonance wireless electric energy transmission device, and concrete steps are as follows:
Step 1: AC power also has certain AC power impedance jointly to form alternating current input power supplying, input AC electricity;
Step 2: input AC electricity is exported high-frequency high-power and the adjustable alternating current of frequency after the tuning power supply of high-frequency high-power resonance transforms;
Step 3: the tuning power supply of high-frequency high-power resonance is input on transmitting coil series resonance electric capacity, exchanges transmitting resonant capacitance and connects and be operated in resonant frequency band with transmitting ancillary coil;
Step 4: transmitting ancillary coil and emission resonance coil are same coil, but number of turn difference, this coil transmitting HF magnetic resonance electromagnetic wave is to receiving coil;
Step 5: receiving ancillary coil is a coil with receiving resonance coil, but number of turn difference, this coil receives the HF magnetic resonance electromagnetic wave of transmitting coil transmitting;
Step 6: receive ancillary coil and receiving coil resonant capacitance and be connected in series and be operated in resonant frequency band;
Step 7: the output of receiving coil resonant capacitance is connected with load circuit with shaping, output electric energy.
The invention has the beneficial effects as follows:
1. by HF magnetic resonance coil energy wireless transmission higher-wattage electric energy;
2. transmitting ancillary coil and resonance transmitting coil, resonance receiving coil and reception ancillary coil are turned to same coil, saved coil quantity, tight space structure increases coupling ability simultaneously, has improved wireless power transmission efficiency;
3. pair transmitting ancillary coil and a resonant capacitance of reception ancillary coil series connection, anti-with output master to reduce input, increases delivery of electrical energy power efficiency;
4. without magnetic core, reduced weight, provided cost savings;
5. can improve transmission range, for moderate distance wireless power transmission improves facility;
6. wireless electric energy transmission device makes wireless charging convenient, light.
Brief description of the drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is that principal and subordinate of the present invention is from coupling magnetic resonance wireless electric energy transmission device structural representation.
Fig. 2 is that principal and subordinate of the present invention is coupled the single principal and subordinate of magnetic resonance wireless electric energy transmission device certainly from coupling coil open loop structure schematic diagram.
Fig. 3 is that principal and subordinate of the present invention is coupled the single principal and subordinate of magnetic resonance wireless electric energy transmission device certainly from coupling line trap ring structure schematic diagram.
Fig. 4 is that principal and subordinate of the present invention is coupled magnetic resonance wireless electric energy transmission device principal and subordinate certainly from coupling coil multi-coil open loop structure schematic diagram.
Fig. 5 is that principal and subordinate of the present invention is coupled magnetic resonance wireless electric energy transmission device principal and subordinate certainly from coupling coil multi-coil closed-loop structure schematic diagram.
Number in the figure: 1 is input circuit, 2 is AC power, 3 is AC power impedance, 4 is high-frequency high-power resonance emission power, 5 is the first transmitting coil series resonance electric capacity, 6 is that principal and subordinate is from coupled resonance coil, 7 is that principal and subordinate is from coupling transmitting coil, 8 is that principal and subordinate is from coupling receiver coil, 9 is the first receiving coil series resonance electric capacity, 10 is shaping and load circuit, 11 is first auxiliary from transmitting magnetic coupling coil, 12 is primary resonance transmitting coil, 13 is first auxiliary from receiving magnetic coupling coil, 14 is primary resonance receiving coil, 15 is second auxiliary from transmitting magnetic coupling coil, 16 is the second transmitting coil series resonance electric capacity, 17 is second auxiliary from receiving magnetic coupling coil, 18 is the second receiving coil series resonance electric capacity.
Detailed description of the invention
For measure, creation characteristic that the technology of the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Fig. 1 is the structural representation of principal and subordinate of the present invention from coupling magnetic resonance wireless electric energy transmission device. The invention provides a kind of principal and subordinate from coupling magnetic resonance wireless electric energy transmission device, comprise that input circuit 1, transmitting coil series resonance electric capacity 5, principal and subordinate are from coupled resonance coil 6, receiving coil series resonance electric capacity 9, shaping and load circuit 10. Input circuit 1 also comprises general AC power supply 2, AC power impedance 3, high-frequency high-power resonance emission power 4. General AC power supply 2 is connected with AC power impedance 3, and AC power impedance 3 is connected with high-frequency high-power resonance emission power 4; High-frequency high-power resonance emission power 4 is connected with transmitting coil series resonance electric capacity 5; Principal and subordinate space in has certain distance with principal and subordinate from coupling receiver coil 8 from coupling transmitting coil 7; Principal and subordinate is connected with receiving coil series resonance electric capacity 9 from coupling receiver coil 8; Receiving coil series resonance electric capacity 9 is connected with load circuit 10 with shaping.
Fig. 2 is that principal and subordinate of the present invention is coupled the single principal and subordinate of magnetic resonance wireless electric energy transmission device certainly from coupling coil open loop structure schematic diagram. Principal and subordinate comprises from coupled resonance coil 6: first is auxiliary auxiliary from receiving magnetic coupling coil 13 and primary resonance receiving coil 14 from transmitting magnetic coupling coil 11 and primary resonance transmitting coil 12, the first. Primary resonance transmitting coil 12 is in open loop structure, and primary resonance receiving coil 14 is in open loop structure. First auxiliary is connected in series with the first transmitting coil series resonance electric capacity 5 from transmitting magnetic coupling coil 11, and first is auxiliaryly connected in series from reception magnetic coupling coil 13 and the first receiving coil series resonance electric capacity 9.
Fig. 3 is that principal and subordinate of the present invention is coupled the single principal and subordinate of magnetic resonance wireless electric energy transmission device certainly from coupling line trap ring structure schematic diagram. Principal and subordinate comprises from coupling coil 6: first is auxiliary auxiliary from receiving magnetic coupling coil 13 and primary resonance receiving coil 14 from transmitting magnetic coupling coil 11 and primary resonance transmitting coil 12, the first. Primary resonance transmitting coil 12 is in closed-loop structure, and primary resonance receiving coil 14 is in closed-loop structure. First auxiliary is connected in series with the first transmitting coil series resonance electric capacity 5 from transmitting magnetic coupling coil 11, and first is auxiliaryly connected in series from reception magnetic coupling coil 13 and the first receiving coil series resonance electric capacity 9.
Fig. 4 is that principal and subordinate of the present invention is coupled magnetic resonance wireless electric energy transmission device principal and subordinate certainly from coupling coil multi-coil open loop structure schematic diagram. Principal and subordinate comprises from coupling coil 6: first is auxiliary from transmitting magnetic coupling coil 11, second auxiliary auxiliary from receiving magnetic coupling coil 13, second auxiliary from receiving magnetic coupling coil 17 and primary resonance receiving coil 14 from transmitting magnetic coupling coil 15 and primary resonance transmitting coil 12, the first. Primary resonance transmitting coil 12 is in open loop structure, and primary resonance receiving coil 14 is in open loop structure. First auxiliary is connected in series from transmitting magnetic coupling coil 11 and the first transmitting coil series resonance electric capacity 5, first is auxiliary from receiving magnetic coupling coil 13 and the first receiving coil series resonance electric capacity 9 is connected in series, second auxiliary is connected in series with the second transmitting coil series resonance electric capacity 16 from transmitting magnetic coupling coil 15, and second is auxiliaryly connected in series from reception magnetic coupling coil 17 and the second receiving coil series resonance electric capacity 18.
Fig. 5 is that principal and subordinate of the present invention is coupled magnetic resonance wireless electric energy transmission device principal and subordinate certainly from coupling coil multi-coil closed-loop structure schematic diagram. Principal and subordinate comprises from coupling coil 6: first is auxiliary from transmitting magnetic coupling coil 11, second auxiliary auxiliary from receiving magnetic coupling coil 13, second auxiliary from transmitting magnetic coupling coil 17 and primary resonance receiving coil 14 from transmitting magnetic coupling coil 15 and primary resonance transmitting coil 12, the first. Primary resonance transmitting coil 12 is in closed-loop structure, and primary resonance receiving coil 14 is in closed-loop structure. First auxiliary is connected in series from transmitting magnetic coupling coil 11 and the first transmitting coil series resonance electric capacity 5, first is auxiliary from receiving magnetic coupling coil 13 and the first receiving coil series resonance electric capacity 9 is connected in series, second auxiliary is connected in series with the second transmitting coil series resonance electric capacity 16 from transmitting magnetic coupling coil 15, and second is auxiliaryly connected in series from reception magnetic coupling coil 17 and the second receiving coil series resonance electric capacity 18.
When the present invention works, first, general AC power supply 2 and interior AC power impedance 3 thereof are exported high-frequency ac power after high-frequency high-power resonance emission power 4 is tuning. Secondly, the high-frequency ac power of output is input to transmitting coil series resonance electric capacity 5, the first transmitting coil series resonance electric capacity 5 is exported high-frequency resonant electric energy and is arrived principal and subordinate from coupled resonance coil 6, and principal and subordinate passes through auxiliary from transmitting magnetic coupling coil, primary resonance transmitting coil, auxiliary reception magnetic coupling coil, primary resonance receiving coil transmitting energy from coupled resonance coil 6. Principal and subordinate exports electric energy to receiving coil series resonance electric capacity 9 from coupled resonance coil 6, and last the first receiving coil series resonance electric capacity 9 transmits electric energy on shaping and load circuit 10.
Magnetic coupling loop construction of the present invention be principal and subordinate from coupling line coil structures, auxiliary is same coil from coil and primary resonance coil, design is unique, ingenious, simple in structure.
Magnetic coupling loop construction of the present invention is that principal and subordinate also can be made up of multiple transmitting coils and multiple receiving coil structure from coupling line coil structures, can realize multiple resonant frequency and increase wireless power transmission power.
Above declarative description general principle of the present invention, principal character and advantage of the present invention. The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes has just illustrated principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention. The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. a principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device, comprise: input circuit, transmitting coil series resonance electric capacity, principal and subordinate are from coupling magnetic resonance coil, receiving coil series resonance electric capacity and shaping and load circuit, input circuit comprises input ac power, AC power impedance, high-frequency high-power resonance emission power, principal and subordinate comprises that from coupling magnetic resonance coil principal and subordinate is coupled transmitting coil and principal and subordinate certainly from coupling receiver coil, is characterized in that:
AC power is connected with AC power impedance one end, and the AC power impedance other end is connected with high-frequency high-power resonance emission power one end;
The high-frequency high-power resonance emission power of input circuit is connected with transmitting coil series resonance electric capacity one end, the transmitting coil series resonance electric capacity other end is connected from coupling transmitting coil one end with principal and subordinate, principal and subordinate is connected with high-frequency high-power resonance emission power from the coupling transmitting coil other end, forms loop; Principal and subordinate is connected with receiving coil series resonance electric capacity one end from coupling receiver coil one end, and the receiving coil series resonance electric capacity other end is connected with load circuit with shaping, and shaping is connected from coupling receiver coil with principal and subordinate with load circuit, forms loop; Described principal and subordinate is connected from coupling receiver coil with principal and subordinate from coupling transmitting coil;
Described principal and subordinate includes auxiliary from transmitting magnetic coupling coil and primary resonance transmitting coil from coupling transmitting coil, and both share a coil; Described principal and subordinate includes auxiliary from receiving magnetic coupling coil and primary resonance receiving coil from coupling receiver coil, and both share a coil;
Auxiliary from transmitting magnetic coupling coil connection transmitting coil series resonance electric capacity, transmitting coil series resonance electric capacity is connected from transmitting magnetic coupling coil with auxiliary; Accordingly, auxiliary connect receiving coil series resonance electric capacity from receiving magnetic coupling coil, receiving coil series resonance electric capacity is connected from reception magnetic coupling coil with separately auxiliary.
2. principal and subordinate according to claim 1, from coupling magnetic resonance wireless electric energy transmission device, is characterized in that described principal and subordinate has certain distance from coupling transmitting coil and principal and subordinate in space from coupling receiver coil.
3. principal and subordinate according to claim 1 is from coupling magnetic resonance wireless electric energy transmission device, it is characterized in that described auxiliary from transmitting magnetic coupling coil and primary resonance transmitting coil in from coupling line coil structures, auxiliary from reception magnetic coupling coil and primary resonance receiving coil in from coupling line coil structures.
4. principal and subordinate according to claim 1 is from coupling magnetic resonance wireless electric energy transmission device, it is characterized in that primary resonance receiving coil is in open loop situations when primary resonance transmitting coil is during in open loop situations; When primary resonance transmitting coil is during in closed loop state, primary resonance receiving coil is in closed loop state.
5. principal and subordinate according to claim 1 is from coupling magnetic resonance wireless electric energy transmission device, it is characterized in that when auxiliary while being multiple from transmitting magnetic coupling coil, eachly auxiliary connect a transmitting coil series resonance electric capacity from transmitting magnetic coupling coil, multiple described transmitting coil series resonance electric capacity is connected from launching magnetic coupling coil with separately auxiliary; Accordingly, auxiliary is multiple from receiving magnetic coupling coil, eachly auxiliaryly connects a receiving coil series resonance electric capacity from receiving magnetic coupling coil, and multiple described receiving coil series resonance electric capacity is connected from reception magnetic coupling coil with separately auxiliary.
6. principal and subordinate as claimed in claim 1, from a method of operating for coupling magnetic resonance wireless electric energy transmission device, is characterized in that concrete steps are as follows:
Step 1: AC power also has certain AC power impedance jointly to form alternating current input power supplying, input AC electricity;
Step 2: input AC electricity is exported high-frequency high-power and the adjustable alternating current of frequency after high-frequency high-power resonance emission power transforms;
Step 3: high-frequency high-power resonance emission power is input on transmitting coil series resonance electric capacity, transmitting coil series resonance electric capacity is connected and is operated in resonant frequency band from transmitting magnetic coupling coil with auxiliary;
Step 4: assist from transmitting magnetic coupling coil and primary resonance transmitting coil and be all a coil, but number of turn difference, this coil transmitting HF magnetic resonance electromagnetic wave arrives principal and subordinate from coupling receiver coil;
Step 5: assist from receiving magnetic coupling coil and primary resonance receiving coil and be all a coil, but number of turn difference, this coil receives the HF magnetic resonance electromagnetic wave that principal and subordinate launches from coupling transmitting coil;
Step 6: auxiliary be connected with receiving coil series resonance capacitances in series and be operated in resonant frequency band from receiving magnetic coupling coil;
Step 7: the output of receiving coil series resonance electric capacity is connected with load circuit with shaping, output electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111270.XA CN103915907B (en) | 2014-03-25 | 2014-03-25 | Principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111270.XA CN103915907B (en) | 2014-03-25 | 2014-03-25 | Principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103915907A CN103915907A (en) | 2014-07-09 |
| CN103915907B true CN103915907B (en) | 2016-05-11 |
Family
ID=51041378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410111270.XA Expired - Fee Related CN103915907B (en) | 2014-03-25 | 2014-03-25 | Principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103915907B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362771A (en) * | 2014-11-10 | 2015-02-18 | 刘跃进 | Dynamic magnetic coupling resonance array technology supporting wireless mobile charging of electric vehicle |
| CA2995594C (en) * | 2015-08-24 | 2022-07-19 | Commonwealth Scientific And Industrial Research Organisation | An apparatus for on-line detection of magnetic resonance signals from a target material in a mineral slurry |
| CN110073572A (en) * | 2016-09-16 | 2019-07-30 | Tdk电子股份有限公司 | Wireless power transmitter, Wireless power transmission system and the method for driving Wireless power transmission system |
| CN110192324A (en) * | 2016-09-16 | 2019-08-30 | Tdk电子股份有限公司 | Wireless power transmitter, Wireless power transmission system and the method for driving Wireless power transmission system |
| US9991752B1 (en) * | 2016-12-07 | 2018-06-05 | Panasonic Corporation | Wireless power feeding method |
| CN106910953B (en) * | 2017-04-10 | 2020-02-07 | 宁波微鹅电子科技有限公司 | Battery pack and wireless charging system |
| CN107276242B (en) * | 2017-05-23 | 2020-09-08 | 哈尔滨工业大学 | Non-contact energy transmission device and method for satellite |
| CN111478456B (en) * | 2020-04-14 | 2022-07-01 | 上海卡珀林智能科技有限公司 | Magnetic resonance wireless charging system and method |
| CN113933770B (en) * | 2021-11-25 | 2022-06-28 | 浙江大学 | Component layout method and system based on radio frequency emission surface coil and coil |
| CN114537169A (en) * | 2022-03-28 | 2022-05-27 | 华人运通(山东)科技有限公司 | High-power wireless charger and vehicle-mounted end power supply circuit and control method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4759610B2 (en) * | 2008-12-01 | 2011-08-31 | 株式会社豊田自動織機 | Non-contact power transmission device |
| TW201039528A (en) * | 2009-04-24 | 2010-11-01 | Darfon Electronics Corp | Energy transferring system and energy transferring side device |
| CN102437656B (en) * | 2011-12-22 | 2014-07-23 | 重庆大学 | Wireless energy transmission system based on magnetic resonance array |
| CN103296776A (en) * | 2012-03-01 | 2013-09-11 | 深圳光启创新技术有限公司 | Wireless energy transmission system |
| CN102769341B (en) * | 2012-07-31 | 2014-09-17 | 杭州电子科技大学 | Method using off-resonance magnetic coupling coil arrays for constructing wireless power supply device |
-
2014
- 2014-03-25 CN CN201410111270.XA patent/CN103915907B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103915907A (en) | 2014-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103915907B (en) | Principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof | |
| CN103414255B (en) | Self-tuning magnetic-coupling resonance wireless energy transmission system and self-tuning method thereof | |
| CN103986245B (en) | Radio energy transmission system based on double-layer double-direction spiral winding and method | |
| CN103414261B (en) | Variable-coupling coefficient magnetic resonance wireless power transmission system and method | |
| CN104993614A (en) | Asymmetric wireless power transmission system with relay coil inserted therein, and method | |
| CN204721105U (en) | Insert the asymmetric wireless power transmission systems of repeating coil | |
| CN103545940A (en) | Asymmetrical on-line wireless power supply coupler | |
| CN103928991B (en) | Magnetic resonance wireless electric energy transmission device based on PCB resonance coupling coil structures | |
| CN104993613A (en) | Wireless electric energy transmission device using single capacitor to realize electric field resonance | |
| CN102882290A (en) | Novel electromagnetic coupling resonant wireless power transmission system | |
| CN102255367A (en) | Wireless charging system for electric vehicles | |
| CN103280901A (en) | Mobile device power supply system based on wireless electricity transmission | |
| CN104242483A (en) | Magnetic coupling resonant mode multi-load wireless power chain transmission network with load isolating characteristic | |
| CN202150726U (en) | Electric car wireless charging system | |
| CN206164224U (en) | Wireless transmission subway power supply system | |
| CN204012949U (en) | Radio energy transmission system based on double-layer double-direction helical coil | |
| Santalunai et al. | An increasing the power transmission efficiency of flat spiral coils by using ferrite materials for wireless power transfer applications | |
| CN204131235U (en) | A kind of wireless power supply of automatically controlled kitchen range | |
| CN102638089A (en) | High-power wireless charging device | |
| CN105119357A (en) | Remote wireless charging device | |
| CN103545941A (en) | Point-to-point cooperative work wireless charging coupler | |
| CN103915916A (en) | Magnetic resonance wireless electric energy transmitting device based on planar magnetic resonant coupling coil structure | |
| CN207835164U (en) | A kind of wireless charging coupled structure and system using solenoid coil | |
| CN203562845U (en) | Asymmetric on-line wireless power supply coupler | |
| CN103312052B (en) | A kind of antenna assembly for wireless power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160511 Termination date: 20190325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |