CN203205989U - Novel magnetic coupling resonant radio power transmission apparatus - Google Patents
Novel magnetic coupling resonant radio power transmission apparatus Download PDFInfo
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- CN203205989U CN203205989U CN2013201607099U CN201320160709U CN203205989U CN 203205989 U CN203205989 U CN 203205989U CN 2013201607099 U CN2013201607099 U CN 2013201607099U CN 201320160709 U CN201320160709 U CN 201320160709U CN 203205989 U CN203205989 U CN 203205989U
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Abstract
The utility model relates to a novel magnetic coupling resonant radio power transmission apparatus, mainly comprising a frequency tracking adaptive control system, a radio frequency power amplifier system, a power amplifier power detection system, a magnetic emitting and receiving system, a rectification pressure regulating system, etc. The novel magnetic coupling resonant radio power transmission apparatus belongs to the high frequency electromagnetic theory engineering application filed and solves the problem of electric energy wireless transmission robustness control; in addition, the novel magnetic coupling resonant radio power transmission apparatus overcomes the problem that the power and efficiency of a traditional radio power transmission apparatus are susceptible to interference and thereby are substantially reduced, possesses high robustness, high reliability and intellectualization and has great application prospect.
Description
Technical field
The utility model relates to a kind of novel magnet coupled resonant type wireless power transfer.Particularly relate to a kind of have high robust, high reliability, intelligentized a kind of novel magnet coupled resonant type wireless power transfer.
Background technology
Found to utilize since 1840 electromagnetic induction phenomenon and lead can electric energy transmitting so far, the transmission of electric energy mainly by lead directly contact transmits.The charging of electrical equipment generally is to be undertaken by plug and socket, but when carrying out high-power charging, the danger that this charging modes exists high pressure to get an electric shock.And owing to there is friction and wear, the fail safe of system, reliability and useful life are lower, particularly in some inflammable, explosive fields such as chemical industry, mining, very easily cause big accident.Novel contactless electric energy transmission system adopts electromagnetic induction principle, power electronic technology and control theory to combine, and has realized the wireless transmission of electric energy, has overcome above restriction fully.
According to the electric energy transmission principle, wireless power transmission can be divided three classes haply: the first kind is the direct manifold type of transformer principle, though this mode power is bigger, only is suitable for closely; The second class electric wave wireless energy transmission technology, the principle of directly utilizing electromagnetic wave energy to transmit and receive by antenna, though this mode has realized the transmission of long distance and high-power energy, but the recipient is to restriction in the energy transmission, can not the cut-through thing, and loss is bigger, and human body and other biology are had grievous injury; The 3rd class is non-radiative coupled resonance mode, and this technology can be transmitted having under the situation of barrier, and transmission range is also distant, and through-put power is also bigger, and to not injury of human body.
In sum, the third electric energy transmission means has very big potentiality to be exploited, and its appearance has further enlarged wireless power transmission The Application of Technology target and field.Undoubtedly, this biography can pattern will become new developing direction of wireless power transmission.The research of magnet coupled resonant type electric energy transmission technology at present still is in the starting stage, mainly concentrates on raising and the application of special occasions research of systematic function.
In the wireless power transmission process, be subjected to extraneous barrier (as the magnetic conductivity object etc.), receiving terminal load and circuit working variations in temperature, transmission range change or each side such as skew takes place angle influence is easy to make resonance frequency to change, i.e. imbalance, efficient can decline to a great extent when imbalance took place.Therefore the robustness that improves the radio energy transmission system resonance frequency is the key that this technology is further promoted.
The utility model has been intended to overcome bound to the electric energy transmission of lead traditionally, has designed a kind of have high robust, high reliability, intelligentized a kind of novel magnet coupled resonant type wireless power transfer.
Summary of the invention
Technical problem to be solved in the utility model is, proposed a kind of novel magnet coupled resonant type wireless power transfer, and this device has high robust, high reliability, intelligentized characteristics.
The technical scheme that the utility model adopts is: a kind of novel magnet coupled resonant type wireless power transfer, comprise that the frequency-tracking adaptive control system can receive power amplifier power and bearing power and computing system efficient, judge the output frequency of signal source then according to power and efficient, it is characterized in that, also be provided with: the radio-frequency (RF) power amplification system carries out power amplification with the signal source of frequency-tracking adaptive control system, the power amplifier power detecting system is for detection of the power amplifier power output, the magnetic emission system is transformed into magnetic energy with the high-frequency electrical energy, the magnetic receiving system receives magnetic energy and is converted into electric flux, the electric energy elder generation rectification that the rectifying and pressure-regulating system receives the magnetic receiving system is the pressure regulation supply load then, and the bearing power detection system detects the load power absorbed.
Described frequency-tracking adaptive control system is one of core of wireless power transmission, comprises radio communication circuit, DSP core control circuit and DDS circuit.Radio communication circuit is used for the wireless receiving load power signal; The DSP core control circuit makes it produce the signal source of required frequency according to best power and efficiency-adjusted DDS circuit according to putting power and bearing power calculates energy transfer efficiency according to attacking of receiving then.
The E class power amplifier that described radio-frequency (RF) power amplification system is made up of four MOSFET chips, its input and output impedance is 50 ohm.
Described power amplifier power detecting system becomes it into analog signal by the power that the radio-frequency power detection module detects power amplifier, and this analog signal is transformed into digital signal at process AD and sends to the frequency-tracking adaptive control system.
Described magnetic emission system is made up of single turn excitation variable winding and multiturn coupling coil.The single turn excitation variable winding is connected with the output of radio-frequency (RF) power amplification system, and the high-frequency ac voltage that is produced by the radio-frequency (RF) power amplification circuit provides energy to produce the alternation high frequency magnetic field.This high frequency magnetic field and multiturn coupling coil go out its emission of magnetic field that produces greater strength by direct coupling.
Described magnetic receiving system is made up of multiturn coupling coil and loading coil, and the multiturn coupling coil of receiving coil has identical resonance frequency with the multiturn coupling coil of transmitting coil, realizes the mutual conversion of electromagnetic energy by resonance close coupling mode.Loading coil is a single-turn circular coil, and the multiturn coupling coil of this coil and receiving coil is to get energy by direct coupling system.
Described rectifying and pressure-regulating system is by rectification and pressure regulation two parts, and the bridge circuit that rectifying part utilizes Schottky diode to form becomes AC energy into direct current, adds a filter circuit filtering high order harmonic component simultaneously; Pressure regulation part is made up of the DC/DC circuit voltage adjustment is reached the load required voltage.
Described bearing power detection system is made up of bearing power testing circuit, single chip machine controlling circuit, radio communication circuit.Single chip machine controlling circuit is delivered in the detected power signal process of bearing power testing circuit AD conversion, and single-chip microcomputer is transmitted to wireless mode power signal the radio communication circuit of frequency-tracking adaptive control system by radio communication circuit.
A kind of novel magnet coupled resonant type wireless power transfer of the present utility model, this device has high robust, high reliability, intelligentized characteristics.After system's energising work, by regulating the DDS circuit its output frequency adaptive system is changed, and follow the tracks of according to the power that obtains and the efficient frequency self-adaption that reaches maximal efficiency/power of adjusting frequency.
Description of drawings
Fig. 1 is the entire block diagram of design system;
Fig. 2 is frequency-tracking adaptive control system block diagram;
Fig. 3 is bearing power detection system block diagram.
Embodiment
The utility model provides a kind of have high robust, high reliability, intelligentized a kind of novel magnet coupled resonant type wireless power transfer.Below in conjunction with embodiment and accompanying drawing a kind of novel magnet coupled resonant type wireless power transfer of the present utility model is made a detailed description.
As shown in Figure 1, a kind of novel magnet coupled resonant type wireless power transfer of the present utility model, include frequency-tracking adaptive control system 1 and can receive power amplifier power and bearing power and computing system efficient, judge the output frequency of signal source then according to power and efficient, it is characterized in that, also be provided with: radio-frequency (RF) power amplification system 2 carries out power amplification with the signal source of frequency-tracking adaptive control system 1, power amplifier power detecting system 3 is for detection of the power amplifier power output, magnetic emission system 4 is transformed into magnetic energy with the high-frequency electrical energy, magnetic receiving system 5 receives magnetic energy and is converted into electric flux, the electric energy elder generation rectification that rectifying and pressure-regulating system 6 receives the magnetic receiving system is pressure regulation supply load 7 then, and bearing power detection system 8 detects loads 7 power absorbed.Frequency-tracking adaptive control system 1 is calculated efficient according to the power meter that bearing power detection system 8 and power amplifier power detecting system 3 obtain, can carry out frequency adjustment according to efficient and the maximum principle of bearing power then, avoid external interference to cause resonance frequency shift to influence through-put power and the efficient of radio energy transmission system.
As shown in Figure 2, described frequency-tracking adaptive control system 1 is one of core of wireless power transmission, comprises radio communication circuit 13, DSP core control circuit 11 and DDS circuit 12.Radio communication circuit 13 links to each other with DSP core control circuit 11, is used for delivering to DSP core control circuit 11 from bearing power detection system 8 wireless receiving load power signal; The output of DSP core control circuit 11 links to each other with DSP core control circuit 11, can put power and bearing power calculates energy transfer efficiency according to attacking of receiving, and makes it produce the signal source of required frequency according to best power and efficiency-adjusted DDS circuit 12 then.
As shown in Figure 3, described bearing power detection system 8 is made up of bearing power testing circuit 81, single chip machine controlling circuit 82, radio communication circuit 83.Bearing power testing circuit 81 detected power signals are analog signal, single chip machine controlling circuit 82 is delivered in conversion through AD, and single chip machine controlling circuit 82 is transmitted to wireless mode power signal the radio communication circuit 13 of frequency-tracking adaptive control system by radio communication circuit 83.
Below schematically the utility model and execution mode thereof are described, this description does not have limitation, and shown in the accompanying drawing also is one of execution mode of the present utility model.So if those of ordinary skill in the art is enlightened by it; under the situation that does not break away from the utility model creation aim; adopt the same base part of other form or each component layouts mode of other form; without the creationary technical scheme similar to this technical scheme and the embodiment of designing, all should belong to protection range of the present utility model.
Claims (3)
1. novel magnet coupled resonant type wireless power transfer, comprise frequency-tracking adaptive control system (1), it is characterized in that, also be provided with: radio-frequency (RF) power amplification system (2) is used for the signal source of frequency-tracking adaptive control system is carried out power amplification, power amplifier power detecting system (3) is for detection of the power amplifier power output, magnetic emission system (4) is transformed into magnetic energy with the high-frequency electrical energy, magnetic receiving system (5) receives magnetic energy and is converted into electric flux, the electric energy elder generation rectification that rectifying and pressure-regulating system (6) receives the magnetic receiving system is pressure regulation supply load (7) then, and bearing power detection system (8) detects the load power absorbed.
2. a kind of novel magnet coupled resonant type wireless power transfer according to claim 1, it is characterized in that, described frequency-tracking adaptive control system (1) comprises the radio communication circuit (13) of the power signal that receives bearing power detection system (8), the DSP core control circuit (11) that links to each other with radio communication circuit (13), and the DDS circuit (12) that links to each other with DSP core control circuit (11), wherein the output of radio communication circuit (13) is connected with DSP core control circuit (11); The output of DSP core control circuit (11) is connected with DDS circuit (12).
3. a kind of novel magnet coupled resonant type wireless power transfer according to claim 1, it is characterized in that, described bearing power detection system (8) comprises the bearing power testing circuit (81) that detects bearing power, single chip machine controlling circuit (82), and radio communication circuit (83), wherein the output of bearing power testing circuit (81) is connected with single chip machine controlling circuit (82); The output of single chip machine controlling circuit (82) is connected with radio communication circuit (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201607099U CN203205989U (en) | 2013-04-03 | 2013-04-03 | Novel magnetic coupling resonant radio power transmission apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201607099U CN203205989U (en) | 2013-04-03 | 2013-04-03 | Novel magnetic coupling resonant radio power transmission apparatus |
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| CN203205989U true CN203205989U (en) | 2013-09-18 |
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| CN2013201607099U Expired - Fee Related CN203205989U (en) | 2013-04-03 | 2013-04-03 | Novel magnetic coupling resonant radio power transmission apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941017A (en) * | 2015-07-10 | 2015-09-30 | 北京工业大学 | Wireless directional energy transfer system for supplying power to artificial heart |
| CN105226845A (en) * | 2014-05-27 | 2016-01-06 | 松下知识产权经营株式会社 | Power transmission device and wireless power transmission system |
| DE102017211101A1 (en) * | 2017-06-29 | 2019-01-03 | Audi Ag | Method for controlling a contactless energy transmission process, motor vehicle and charging station |
| CN110501596A (en) * | 2019-08-30 | 2019-11-26 | 国网山西省电力公司电力科学研究院 | A kind of wireless control system and method for instruction carriage |
-
2013
- 2013-04-03 CN CN2013201607099U patent/CN203205989U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226845A (en) * | 2014-05-27 | 2016-01-06 | 松下知识产权经营株式会社 | Power transmission device and wireless power transmission system |
| CN105226845B (en) * | 2014-05-27 | 2018-12-11 | 松下知识产权经营株式会社 | Power transmission device, Wireless power transmission system and foreign matter detecting method |
| CN104941017A (en) * | 2015-07-10 | 2015-09-30 | 北京工业大学 | Wireless directional energy transfer system for supplying power to artificial heart |
| DE102017211101A1 (en) * | 2017-06-29 | 2019-01-03 | Audi Ag | Method for controlling a contactless energy transmission process, motor vehicle and charging station |
| CN110501596A (en) * | 2019-08-30 | 2019-11-26 | 国网山西省电力公司电力科学研究院 | A kind of wireless control system and method for instruction carriage |
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| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140403 |