CN203197960U - Magnetic coupling resonant type wireless powered shaver - Google Patents
Magnetic coupling resonant type wireless powered shaver Download PDFInfo
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- CN203197960U CN203197960U CN 201320160710 CN201320160710U CN203197960U CN 203197960 U CN203197960 U CN 203197960U CN 201320160710 CN201320160710 CN 201320160710 CN 201320160710 U CN201320160710 U CN 201320160710U CN 203197960 U CN203197960 U CN 203197960U
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Abstract
The utility model discloses a magnetic coupling resonant type wireless powered shaver which mainly comprises a self-adaptation control system, an electric-energy magnetic emitting and receiving system, a rectification voltage-regulating system, and the like. The self-adaptation control system is used for carrying out frequency tracking on 220V alternating currents, and the rectification voltage-regulating system is used for driving the shaver to rotate. The utility model belongs to the frontier field of engineering application of high-frequency electromagnetic theories, and the problem of robustness control of electric-energy wireless transmission is solved. The magnetic coupling resonant type wireless powered shaver overcomes the defects that power and efficiency of a traditional wireless electric energy transmission device are reduced due to interferences, and when a sensing device is externally connected, power supply rotation and automatic turning off of the shaver can be achieved within 5m. The magnetic coupling resonant type wireless powered shaver is intelligent, and convenient to use, can be widely used by common people, particularly household men and office men, and energy is saved and environment is protected.
Description
Technical field
The utility model relates to a kind of magnet coupled resonant type wireless for battery powered shaver.Particularly relate to and a kind ofly have the magnet coupled resonant type wireless of high robust, convenient, the energy-conserving and environment-protective of intelligence for battery powered shaver.
Background technology
Found to utilize since 1840 electromagnetic induction phenomenon and wire can electric energy transmitting so far, the transmission of electric energy mainly by wire 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 being friction and wear, Security of the system, reliability and service life are lower, particularly in some inflammable, explosive fields such as chemical industry, mining, very easily cause large accident.New contactless electrical energy transmission system adopts electromagnetic induction principle, Power Electronic Technique and control theory to combine, and has realized the wireless transmission of electric energy, has overcome above restriction fully.
According to the delivery of electrical energy principle, wireless power transmission can be divided three classes haply: the first kind is the direct coupling type of transformer principle, although this mode power is larger, only is suitable for closely; Equations of The Second Kind electric wave wireless energy transmission technology, directly utilize the electromagnetic wave energy can be by the principle of antenna transmission and reception, although this mode has realized the transmission of long distance and high-power energy, but the Energy Transfer recipient is to restriction, can not the cut-through thing, and loss is larger, and human body and other biology are had grievous injury; The 3rd class is non-radiation coupling resonance manner, and this technology can be in the situation that there be barrier to transmit, and transmission range is also distant, and through-put power is also larger, and to not injury of human body.
In sum, the third delivery of electrical energy mode has very large potentiality to be exploited, and its appearance has further enlarged application target and the field of wireless power transmission technology.Undoubtedly, this biography can pattern will become new developing direction of wireless power transmission.The at present research of magnet coupled resonant type electric energy transmission technology 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 subject to extraneous barrier (such as the magnetic conductivity object etc.), receiving terminal load and circuit working variations in temperature, transmission range change or the each side such as skew occurs angle impact is easy to make resonant frequency to change, i.e. imbalance, efficient can decline to a great extent when imbalance occured.Therefore the robustness that improves the radio energy transmission system resonant frequency is the key that this technology is further promoted.
The utility model has been intended to overcome bound to delivery of electrical energy of wire traditionally, designed a kind ofly have that high robust, intelligence are convenient, the magnet coupled resonant type wireless of energy-conserving and environment-protective is for battery powered shaver.
Summary of the invention
Technical problem to be solved in the utility model is, proposed a kind of magnet coupled resonant type wireless for battery powered shaver, the design of this shaver with use have high robust, intelligence is convenient, the characteristics of energy-conserving and environment-protective.
The technical scheme that the utility model adopts is: a kind of magnet coupled resonant type wireless is for battery powered shaver, it is characterized in that being provided with: the adaptive control system of the 220V alternating current being carried out frequency-tracking, the high-frequency electrical energy is transformed into the magnetic emission system of magnetic energy, receive magnetic energy and be converted into the magnetic receiving system of electric flux, the rectifying and pressure-regulating components of system as directed that shaver rotates is supplied with in the then pressure regulation of electric energy elder generation's rectification that receives.
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; Then 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.
Described electric energy magnetic emission system is comprised of single turn excitation variable winding and multiturn coupling coil.Comprise two MOSFET, they can alternate conduction, produce alternating current, output to the LC resonance circuit of back, C1 is resonant capacitance, and L1 is resonant inductance, and their parallel resonances are to improve tranmitting frequency, thereby the form of electric energy with frequency electromagnetic waves is coupled by direct and multiturn coupling coil, makes its emission of magnetic field that produces greater strength to receiving terminal; Electric energy magnetic receiving system consists of new antiresonant circuit by capacitor C 2 and inductance L 2, during with the emitter impedance matching, can realize the maximization wireless transmission of electric energy.
Described magnetic receiving system is comprised of multiturn coupling coil and loading coil, and the multiturn coupling coil of receiving coil has identical resonant 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 simultaneously a filter circuit filtering higher hamonic wave; The pressure regulation part reaches shaver by the DC/DC the electric circuit constitute with voltage adjustment and rotates required voltage.
A kind of magnet coupled resonant type wireless of the present utility model is for battery powered shaver, the design of this shaver with use have high robust, intelligence is convenient, the characteristics of energy-conserving and environment-protective.When external sensing device, can realize in the 5m scope, the power supply of shaver being rotated and being automatically shut down.
Description of drawings
Fig. 1 is the global design block diagram of realizing the shaver wireless power;
Fig. 2 is frequency-tracking adaptive control system block diagram;
Fig. 3 is the circuit theory diagrams of transmitting coil device.
The specific embodiment
The utility model provides a kind of and has the magnet coupled resonant type wireless of high robust, convenient, the energy-conserving and environment-protective of intelligence for battery powered shaver.Below in conjunction with example and accompanying drawing a kind of magnet coupled resonant type wireless of the present utility model is made a detailed description for battery powered shaver.
As shown in Figure 1, a kind of magnet coupled resonant type wireless of the present utility model is for battery powered shaver, include the adaptive control system of the 220V alternating current being carried out frequency-tracking, can receive power amplifier power and bearing power and computing system efficient, then judge the output frequency of signal source according to power efficiency.Electric energy magnetic emission system is transformed into magnetic energy with the high-frequency electrical energy, and electric energy magnetic receiving system receives magnetic energy and is converted into electric flux, and the then pressure regulation of electric energy elder generation's rectification that the rectifying and pressure-regulating system receives the magnetic receiving system is supplied with shaver and rotated.
As shown in Figure 2, 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 links to each other with the DSP core control circuit, is used for the wireless receiving load power signal and delivers to the DSP core control circuit; The output of DSP core control circuit links to each other with the DSP core control circuit, can put power and bearing power calculates energy transfer efficiency according to attacking of receiving, and then makes it produce the signal source of required frequency according to best power and efficiency-adjusted DDS circuit.
As shown in Figure 3, described electric energy magnetic emission system is comprised of single turn excitation variable winding and multiturn coupling coil.Comprise two MOSFET, they can alternate conduction, produce alternating current, output to the LC resonance circuit of back, C1 is resonant capacitance, and L1 is resonant inductance, and their parallel resonances are to improve tranmitting frequency, thereby the form of electric energy with frequency electromagnetic waves is coupled by direct and multiturn coupling coil, makes its emission of magnetic field that produces greater strength to receiving terminal; Electric energy magnetic receiving system consists of new antiresonant circuit by capacitor C 2 and inductance L 2, during with the emitter impedance matching, can realize the maximization wireless transmission of electric energy.
Below schematically the utility model and embodiment thereof are described, this description does not have limitation, and shown in the accompanying drawing also is one of embodiment of the present utility model.So if those of ordinary skill in the art is enlightened by it; create aim in the situation that do not break away from the utility model; 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 domain of the present utility model.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160710 CN203197960U (en) | 2013-04-03 | 2013-04-03 | Magnetic coupling resonant type wireless powered shaver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160710 CN203197960U (en) | 2013-04-03 | 2013-04-03 | Magnetic coupling resonant type wireless powered shaver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197960U true CN203197960U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201320160710 Expired - Fee Related CN203197960U (en) | 2013-04-03 | 2013-04-03 | Magnetic coupling resonant type wireless powered shaver |
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| CN (1) | CN203197960U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274498A (en) * | 2018-01-25 | 2018-07-13 | 厦门芯阳科技股份有限公司 | A kind of operation control method of hair cutter |
| CN110303526A (en) * | 2018-03-27 | 2019-10-08 | 博朗有限公司 | Personal care device |
| US11097437B2 (en) | 2018-03-27 | 2021-08-24 | Braun Gmbh | Personal care device |
| US11298839B2 (en) | 2018-03-27 | 2022-04-12 | Braun Gmbh | Hair removal device |
| US11548177B2 (en) | 2018-03-27 | 2023-01-10 | Braun Gmbh | Personal care device |
-
2013
- 2013-04-03 CN CN 201320160710 patent/CN203197960U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274498A (en) * | 2018-01-25 | 2018-07-13 | 厦门芯阳科技股份有限公司 | A kind of operation control method of hair cutter |
| CN110303526A (en) * | 2018-03-27 | 2019-10-08 | 博朗有限公司 | Personal care device |
| US11027442B2 (en) | 2018-03-27 | 2021-06-08 | Braun Gmbh | Personal care device |
| US11097437B2 (en) | 2018-03-27 | 2021-08-24 | Braun Gmbh | Personal care device |
| US11298839B2 (en) | 2018-03-27 | 2022-04-12 | Braun Gmbh | Hair removal device |
| US11548177B2 (en) | 2018-03-27 | 2023-01-10 | Braun Gmbh | Personal care device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140403 |