CN101179207A - Wireless electric energy transmission, charging method and device thereof - Google Patents
Wireless electric energy transmission, charging method and device thereof Download PDFInfo
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- CN101179207A CN101179207A CNA2007100537308A CN200710053730A CN101179207A CN 101179207 A CN101179207 A CN 101179207A CN A2007100537308 A CNA2007100537308 A CN A2007100537308A CN 200710053730 A CN200710053730 A CN 200710053730A CN 101179207 A CN101179207 A CN 101179207A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000006698 induction Effects 0.000 claims abstract description 38
- 230000010355 oscillation Effects 0.000 claims abstract description 16
- 230000006837 decompression Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The invention relates to a wireless electrification method and a device of a magnetic resonance. An electrification system comprises a wireless radio frequency magnetic transmitting circuit and a wireless radio frequency magnetic induction electrification circuit which are mutually independent; the wireless radio frequency magnetic transmitting circuit adopts a fixed oscillation frequency for transmitting an electromagnetic wave; the wireless radio frequency magnetic sensing power-supply circuit adopts the same or similar frequency as the magnetic transmission circuit to have an autologous oscillation and to induce the electromagnetic wave transmitted by the wireless radio frequency magnetic transmitting circuit so as to generate an electric current for supplying the electricity to electrical appliances or a rechargeable battery.
Description
Technical field:
The present invention relates to a kind of wireless charging technology, particularly relate to a kind of wireless charging method and device thereof of magnetic resonance.
Background technology:
The electric energy transmitting of existing electric equipment is wire transmission because the restriction of electric wire, electric equipment move very inconvenience, therefore use also very inconvenient, therefore on a lot of occasions and a lot of equipment and be not suitable for wired charging.For example: deep ocean work robot, deep layer petroleum detector, cardiac pacemaker, mobile phone, composite aircraft, walkman or the like.In addition, equipment that mobility is strong such as mobile phone etc. adopt the rechargeable battery charging, and rechargeable battery needs frequent charge, uses also very inconvenient.Have only Japan that corresponding primary product are arranged aspect wireless power transmission abroad at present, but properties of product are very undesirable, and are to charge to composite aircraft with wireless mode, coverage is very limited, can only realize in the scope about 1 centimetre.
Summary of the invention:
The objective of the invention is to overcome the weak point in the above-mentioned background technology, a kind of wireless power transmission method and wireless charging device solution thereof are provided, this method and realize that the device that this method adopts carries out electric energy transmitting effectively with long distance, wireless mode, applied widely, the efficiency of transmission height.
For achieving the above object, the technical solution that the present invention adopts is as follows:
Method provided by the present invention is to adopt less radio-frequency emission of magnetic field circuit and less radio-frequency magnetic field induction power supply circuits to form the electric energy transmitting charging system, less radio-frequency emission of magnetic field circuit adopts fixing frequency of oscillation launching electromagnetic wave, and the electromagnetic wave generation electric current that less radio-frequency magnetic field induction power supply circuits adopt the frequency identical or close with less radio-frequency emission of magnetic field circuit to carry out self-oscillation and the emission of induction wireless radio-frequency (RF) magnetic field radiating circuit is powered to electrical equipment or rechargeable battery is charged.
Wireless power transmission charging device provided by the present invention, comprise by separate less radio-frequency emission of magnetic field circuit and less radio-frequency magnetic field induction power supply circuits and forming, less radio-frequency emission of magnetic field circuit is made up of decompression voltage regulator, frequency oscillation circuit, amplifying circuit, emission of magnetic field coil, the dc power output end of decompression voltage regulator connects the amplifying circuit power input, the signal output part of frequency oscillation circuit is connected to the signal input part of amplifying circuit, and amplification circuit output end is connected to two ends of emission of magnetic field coil; Less radio-frequency magnetic field induction power supply circuits are by the magnetic field induction coil, rectification circuit, detect sample circuit, resonant circuit, oscillator coil, charging circuit, rechargeable battery is formed, induction coil output in the coil groups is connected to the input of rectification circuit, the output of rectification circuit is connected to the input of charging circuit, the output of charging circuit is connected to the input of chargeable battery, the input of another output joint detection sample circuit of rectification circuit, the output that detects sample circuit is connected to the input of resonant circuit, and the output of resonant circuit is connected to the oscillator coil input in the coil groups.
Less radio-frequency emission of magnetic field circuit is provided with decompression voltage regulator, frequency oscillation circuit, amplifying circuit, emission of magnetic field coil, 220 volts of alternating currents are powered to frequency oscillation circuit, amplifying circuit by decompression voltage regulator, the frequency oscillation circuit vibration, oscillator signal amplifies rear drive emission of magnetic field coil by amplifying circuit, the emission of magnetic field coil produces alternating magnetic field and to emission all around, forms an alternating magnetic field around the emission of magnetic field coil; Less radio-frequency magnetic field induction power supply circuits are provided with induction coil and oscillator coil, induction coil is connected to rectification circuit, the rectification circuit output current offers charging circuit, connect battery by charging circuit, when less radio-frequency magnetic field induction power supply circuits enter the alternating magnetic field effective range of less radio-frequency emission of magnetic field circuit, the induction coil of less radio-frequency magnetic field induction power supply circuits produces weak current and offers rectification circuit, the faint induced current that the detection sample circuit is sent here rectification circuit detects sampling and the vibration of control resonant circuit, resonant circuit drives oscillator coil and produces resonant field, the oscillator coil of less radio-frequency magnetic field induction power supply circuits forms and the identical or close oscillating magnetic field of less radio-frequency emission of magnetic field channel frequency around induction coil, two magnetic field resonance mutually in certain distance, resonate mutually and be enhanced in magnetic field, the resonance frequency of the induction coil of less radio-frequency magnetic field induction power supply circuits is identical with the oscillator coil frequency of oscillation or close, the electromotive force that magnetic induction coil produces in two magnetic fields of resonating mutually strengthens, electric current increases, distance of reaction is farther, the induction coil output current offers rectification circuit, operating current is provided or by charging circuit chargeable battery is charged to electrical equipment after the rectification.
Emission of magnetic field coil of the present invention, magnetic field induction coil and oscillator coil are magnetic core coil or air core coil.
Description of drawings:
Fig. 1 is a less radio-frequency emission of magnetic field circuit block diagram of the present invention;
Fig. 2 is a less radio-frequency magnetic field induction power supply circuits block diagram of the present invention.
Embodiment:
With reference to Fig. 1 less radio-frequency emission of magnetic field circuit block diagram, this part is made up of decompression voltage regulator 1, frequency oscillation circuit 2, amplifying circuit 3, emission of magnetic field coil 4.220 volts of power inputs of receiving decompression voltage regulator 1 of civil power, dc power output end by decompression voltage regulator 1 connects amplifying circuit 3 power inputs, the signal output part of frequency oscillation circuit 2 is connected to the signal input part of amplifying circuit 3, and amplifying circuit 3 outputs connect two ends of the transmitting coil 4 of showing up.
With reference to Fig. 2 less radio-frequency magnetic field induction power supply circuits block diagram, the coil groups 5 that this part is made up of magnetic field induction coil 6 and oscillator coil 10, rectification circuit 7, charging circuit 8, chargeable battery 9, resonant circuit 11, detection sample circuit 12 are formed.
The output of the induction coil 6 in the coil groups 5 is connected to the input of rectification circuit 7, the output of rectification circuit 7 is connected to the input of charging circuit 8, the output of charging circuit 8 is connected to the input of rechargeable battery 9, the input of another output joint detection sample circuit 12 of rectification circuit 7, the output that detects sample circuit 12 is connected to the input of resonant circuit 11, and the output of resonant circuit 11 is connected to the input of the oscillator coil 10 in the coil groups 5.
Operation principle is as follows: directly charge behind 220 volts of alternating currents processes of civil power decompression voltage regulator, 1 lowering and stabilizing blood pressure and give relevant amplifying circuit 3, frequency oscillation circuit 2 vibrations, oscillator signal is delivered to the input of amplifying circuit 3 by the output of oscillating circuit 2, and oscillator signal amplifies by amplifying circuit 3 that the back produces alternating magnetic fields by emission of magnetic field coil 4 and to launching in the air.
When less radio-frequency magnetic field induction power supply circuits enter into the electromagnetic wave effective coverage range of less radio-frequency emission of magnetic field circuit, electromagnetic induction coil 6 in the coil groups 5 is sensed electromagnetic wave, electromagnetic induction coil 6 produces electric current and gives rectification circuit 7 and carry out rectification, rectification circuit 7 output weak currents are given the input of charging circuit 8 respectively and are detected the input of sampling circuit 12,8 pairs of rechargeable batteries of charging circuit 9 carry out trick charge, 12 pairs of rectification circuits 7 of detection sample circuit are sent weak current here and are detected sampling and 11 vibrations of control resonant circuit, resonant circuit 11 output currents drive oscillator coil 10 vibrations and produce alternating magnetic field, this alternating magnetic field in the certain distance scope and the alternating magnetic field that produces of the emission of magnetic field coil 4 of emission of magnetic field circuit resonate mutually, according to the magnetic resonance principle, the induction coil 6 of the coil groups 5 in less radio-frequency magnetic induction power supply circuits induced electromotive force in mutual resonant field increases rapidly, induced current is directly given 8 pairs of rechargeable batteries of charging circuit 9 after by rectification circuit 7 rectifications and is carried out large current charge, and rechargeable battery 9 carries out Charge Management by charging circuit 8.
When less radio-frequency magnetic field induction power supply circuits partly leave the electromagnetic wave scope of less radio-frequency emission of magnetic field circuit, electromagnetic induction coil 6 inductions in the coil groups 5 are less than corresponding electromagnetic wave, electromagnetic induction coil 6 does not have electric current to give rectification circuit 7 to carry out rectification, rectification circuit 7 does not have electric current output, detection sample circuit 12 does not receive rectification circuit 7 and sends electric current here, detect 11 failures of oscillations of sample circuit 12 control resonant circuits, resonant circuit no-output current drives oscillator coil 10, so oscillator coil can't produce alternating magnetic field.
Claims (3)
1. a wireless power transmission, charging method, it is characterized in that adopting less radio-frequency emission of magnetic field circuit and less radio-frequency magnetic field induction power supply circuits to form electric energy transmission system, less radio-frequency emission of magnetic field circuit adopts fixing frequency of oscillation launching electromagnetic wave, and the electromagnetic wave generation electric current that less radio-frequency magnetic field induction power supply circuits adopt the frequency identical or close with less radio-frequency emission of magnetic field circuit to carry out self-oscillation and the emission of induction wireless radio-frequency (RF) magnetic field radiating circuit is powered to electrical equipment or rechargeable battery is charged.
2. described wireless power transmission of claim 1, the device that charging method adopted, it is characterized in that forming by less radio-frequency emission of magnetic field circuit and less radio-frequency magnetic field induction power supply circuits, less radio-frequency emission of magnetic field circuit is by decompression voltage regulator (1), frequency oscillation circuit (2), amplifying circuit (3), emission of magnetic field coil (4) is formed, the dc power output end of decompression voltage regulator (1) connects amplifying circuit (3) power input, the signal output part of frequency oscillation circuit (2) connects the signal input part of amplifying circuit (3), and amplifying circuit (3) output connects two ends of emission of magnetic field coil (4); The coil groups (5) that less radio-frequency magnetic field induction power supply circuits are made up of magnetic field induction coil (6) and oscillator coil (10), rectification circuit (7), detect sample circuit (12), resonant circuit (11), charging circuit (8), rechargeable battery (9) is formed, induction coil (6) output connects the input of rectification circuit (7), the output of rectification circuit (7) connects the input of charging circuit (8), the output of charging circuit (8) connects the input of chargeable battery (9), the input of another output joint detection sample circuit (12) of rectification circuit (7), the output that detects sample circuit (12) connects the input of resonant circuit (11), and the output of resonant circuit (11) connects oscillator coil (10) input.
3. device according to claim 2 is characterized in that described emission of magnetic field coil (4), induction coil (6), oscillator coil (10) are magnetic core coil or air core coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100537308A CN101179207A (en) | 2007-10-25 | 2007-10-25 | Wireless electric energy transmission, charging method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100537308A CN101179207A (en) | 2007-10-25 | 2007-10-25 | Wireless electric energy transmission, charging method and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101179207A true CN101179207A (en) | 2008-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100537308A Pending CN101179207A (en) | 2007-10-25 | 2007-10-25 | Wireless electric energy transmission, charging method and device thereof |
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| CN (1) | CN101179207A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237724A (en) * | 2010-04-24 | 2011-11-09 | 祝常红 | Self-adaptive wireless charging system for electric vehicle |
| CN102293638A (en) * | 2010-05-30 | 2011-12-28 | 雷凌科技股份有限公司 | Physiological state detection device and system thereof |
| CN102752914A (en) * | 2012-06-01 | 2012-10-24 | 广州市宇飞电子有限公司 | Lighting lamp |
| CN102931714A (en) * | 2012-11-30 | 2013-02-13 | 天津三星光电子有限公司 | Wireless charging system |
| CN103038976A (en) * | 2010-07-28 | 2013-04-10 | 高通股份有限公司 | Multi-loop wireless power receive coil |
| CN103475073A (en) * | 2013-08-20 | 2013-12-25 | 上海锐灵电子科技有限公司 | Wireless charging device capable of being arranged on furniture |
| CN103607013A (en) * | 2013-11-28 | 2014-02-26 | 黄学印 | Wireless charging tablet computer system |
| CN104040834A (en) * | 2012-11-02 | 2014-09-10 | 松下电器产业株式会社 | Wireless power transmission system |
| WO2020019160A1 (en) * | 2018-07-24 | 2020-01-30 | 深圳先进技术研究院 | Wireless charging system for magnetic resonance radio-frequency coil |
| CN111076361A (en) * | 2019-12-11 | 2020-04-28 | 珠海格力电器股份有限公司 | Fan blade fault detection device and method, air conditioner external unit and air conditioner unit |
| CN112790804A (en) * | 2021-01-14 | 2021-05-14 | 湖南菁益医疗科技有限公司 | A wireless charging skin stapler and wireless charging stand |
-
2007
- 2007-10-25 CN CNA2007100537308A patent/CN101179207A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237724A (en) * | 2010-04-24 | 2011-11-09 | 祝常红 | Self-adaptive wireless charging system for electric vehicle |
| CN102293638A (en) * | 2010-05-30 | 2011-12-28 | 雷凌科技股份有限公司 | Physiological state detection device and system thereof |
| CN103038976B (en) * | 2010-07-28 | 2016-05-25 | 高通股份有限公司 | Many ring wireless power receiving coils |
| CN103038976A (en) * | 2010-07-28 | 2013-04-10 | 高通股份有限公司 | Multi-loop wireless power receive coil |
| CN102752914A (en) * | 2012-06-01 | 2012-10-24 | 广州市宇飞电子有限公司 | Lighting lamp |
| US9997961B2 (en) | 2012-11-02 | 2018-06-12 | Panasonic Intellectual Property Management Co., Ltd. | Wireless power transmission system capable of continuing power transmission while suppressing heatup of foreign objects |
| CN104040834A (en) * | 2012-11-02 | 2014-09-10 | 松下电器产业株式会社 | Wireless power transmission system |
| CN104040834B (en) * | 2012-11-02 | 2016-12-21 | 松下知识产权经营株式会社 | Wireless power transmission system |
| CN106532983A (en) * | 2012-11-02 | 2017-03-22 | 松下知识产权经营株式会社 | Wireless power supply device, control method thereof, and wireless power transmission system |
| US9768643B2 (en) | 2012-11-02 | 2017-09-19 | Panasonic Intellectual Property Management Co., Ltd. | Wireless power transmission system capable of continuing power transmission while suppressing heatup of foreign objects |
| US10250082B2 (en) | 2012-11-02 | 2019-04-02 | Panasonic Intellectual Property Management Co., Ltd. | Wireless power transmission system capable of continuing power transmission while suppressing heatup of foreign objects |
| CN106532983B (en) * | 2012-11-02 | 2019-07-05 | 松下知识产权经营株式会社 | Wireless power supply and its control method, Wireless power transmission system |
| CN102931714A (en) * | 2012-11-30 | 2013-02-13 | 天津三星光电子有限公司 | Wireless charging system |
| CN103475073A (en) * | 2013-08-20 | 2013-12-25 | 上海锐灵电子科技有限公司 | Wireless charging device capable of being arranged on furniture |
| CN103607013A (en) * | 2013-11-28 | 2014-02-26 | 黄学印 | Wireless charging tablet computer system |
| WO2020019160A1 (en) * | 2018-07-24 | 2020-01-30 | 深圳先进技术研究院 | Wireless charging system for magnetic resonance radio-frequency coil |
| CN111076361A (en) * | 2019-12-11 | 2020-04-28 | 珠海格力电器股份有限公司 | Fan blade fault detection device and method, air conditioner external unit and air conditioner unit |
| CN112790804A (en) * | 2021-01-14 | 2021-05-14 | 湖南菁益医疗科技有限公司 | A wireless charging skin stapler and wireless charging stand |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20080514 |