CN104218641A - Wireless electromobile charging station - Google Patents
Wireless electromobile charging station Download PDFInfo
- Publication number
- CN104218641A CN104218641A CN201410438511.1A CN201410438511A CN104218641A CN 104218641 A CN104218641 A CN 104218641A CN 201410438511 A CN201410438511 A CN 201410438511A CN 104218641 A CN104218641 A CN 104218641A
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- circuit
- wave filtering
- electric automobile
- current rectifying
- charging station
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Abstract
The invention provides a wireless electromobile charging station which comprises a charging station circuit and an electromobile receiving circuit. The electromobile receiving circuit is mounted on an electromobile, the charging station circuit comprises a first rectifier and filter circuit, a high-frequency inverter circuit, a controller and a charging coil, an output end of the first rectifier and filter circuit is connected with the high-frequency inverter circuit, an output end of the high-frequency inverter circuit is connected with a booster circuit, an output end of the booster circuit is connected with the charging coil, the charging station circuit is provided with a PWM (pulse width modulation) driving circuit which is connected with the high-frequency inverter circuit, and the electromobile receiving circuit comprises a vehicle-mounted electricity receiving coil, a second rectifier and filter circuit, a detection circuit and a wire transceiver. The wireless electromobile charging station and the electromobile are connected without a lead, electric shock danger in the process of charging is avoided, automatic charging of the electromobile is realized, and charging efficiency of the electromobile is improved.
Description
Technical field
The present invention relates to electric automobile field, be specifically related to a kind of electric automobile wireless charging power station.
Background technology
At present due to low-carbon (LC) demand and energy starved impact, it is the concern that electric automobile enjoys people, in recent years, countries in the world start to carry out a large amount of technical research and fund input to electric automobile, produce much dissimilar electric automobile, even if like this, electric automobile does not also have any one country in the world to realize industrialization so far, basic reason is exactly the restriction of accumulator of electric car development level, the power accumulator specific power of electric automobile, specific energy is all lower, do not reach the level of fuel-engined vehicle, the charging technique level of power accumulator, whether charging station is built convenient, charging expense and storage battery expense have all become the factor of restriction electric vehicle industrialization.
Existing electric automobile charging station adopts wired mode to charge, charging station needs to lay feed cable, be connected for charging electric vehicle by wire with the charging device of electric automobile during charging, outdoor charging cannot be realized when running into bad weather, and whole charging process needs manual operation, automation can not be realized.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing, propose a kind of electric automobile wireless charging power station, be connected without wire between charging station with electric automobile, realize the automatic charging of electric automobile, improve the charge efficiency of electric automobile.
Technical scheme provided by the invention is: a kind of electric automobile wireless charging power station, comprise: charging station circuit and automobile receiver circuit two parts, described automobile receiver circuit is arranged on electric automobile, described charging station circuit comprises the first current rectifying and wave filtering circuit, high-frequency inverter circuit, controller and charge coil, the output of described first current rectifying and wave filtering circuit connects high-frequency inverter circuit, the output of described high-frequency inverter circuit connects booster circuit, the output of described booster circuit connects charge coil, described charging station circuit arranges PWM drive circuit, described PWM drive circuit is connected with described high-frequency inverter circuit, described automobile receiver circuit comprises vehicle-mounted electricity reception coil, second current rectifying and wave filtering circuit, testing circuit and wireless transceiver, described vehicle-mounted electricity reception coil connects the second current rectifying and wave filtering circuit, the output of described second current rectifying and wave filtering circuit connects storage battery, connection detection circuit on described storage battery, described testing circuit arranges wireless transceiver.
Described first current rectifying and wave filtering circuit is made up of diode D1, diode D2, electric capacity C1, electric capacity C2 and resistance R1, and described electric capacity C1 and electric capacity C2 connects and forms two voltage doubling rectifying circuit.
Described high-frequency inverter circuit adopts full bridge inverter, and the switching tube of described full bridge inverter is power MOSFET switch tube.
The type of drive of described switching tube adopts single-polarity PWM pattern.
Described second current rectifying and wave filtering circuit adopts full-controlled bridge rectification circuit and LC filter circuit, and described inductance element adopts iron-core coil.
Beneficial effect of the present invention is: charge coil of the present invention can be embedded in charging station ground, automobile receiver circuit is arranged on electric automobile, when electric automobile needs charging, sail charging station into and be parked in the position of specifying, wireless transceiver now on charging station circuit and vehicle electronic circuit carries out radio communication, after controller receives charging signals, control the first current rectifying and wave filtering circuit and PWM drive circuit effect, charge coil is made to produce oscillating magnetic field, now be positioned at the vehicle-mounted electricity reception coil of oscillating magnetic field under the effect of magnetic resonance, the wireless transmission of energy is carried out with charge coil, be connected without wire between charging station with electric automobile, avoid the Danger Electric shock risk of charging process, realize the automatic charging of electric automobile, improve the charge efficiency of electric automobile.
Accompanying drawing explanation
Fig. 1 is a kind of electric automobile wireless charging station structure figure that the present invention proposes;
Fig. 2 is the charging station voltage multiplying rectifier filter circuit construction figure that the present invention proposes.
Embodiment
See Fig. 1, be a kind of electric automobile wireless charging station structure figure that the present invention proposes.
As shown in Figure 1, a kind of electric automobile wireless charging power station, comprise: charging station circuit and automobile receiver circuit two parts, described automobile receiver circuit is arranged on electric automobile, described charging station circuit comprises the first current rectifying and wave filtering circuit, high-frequency inverter circuit, controller and charge coil, the output of described first current rectifying and wave filtering circuit connects high-frequency inverter circuit, the output of described high-frequency inverter circuit connects booster circuit, the output of described booster circuit connects charge coil, described charging station circuit arranges PWM drive circuit, described PWM drive circuit is connected with described high-frequency inverter circuit, described automobile receiver circuit comprises vehicle-mounted electricity reception coil, second current rectifying and wave filtering circuit, testing circuit and wireless transceiver, described vehicle-mounted electricity reception coil connects the second current rectifying and wave filtering circuit, the output of described second current rectifying and wave filtering circuit connects storage battery, connection detection circuit on described storage battery, described testing circuit arranges wireless transceiver.
In the embodiment of the present invention, by arranging PWM drive circuit, charge coil and vehicle-mounted electricity reception coil are formed magnetic resonance, when the frequency of the oscillating magnetic field that charge coil produces is identical with the natural frequency of vehicle-mounted electricity reception coil or close, charge coil can resonate, thus the resonator system internal energy achieving charge coil and vehicle-mounted electricity reception coil formation carries out wireless transmission.
In the embodiment of the present invention, charging station circuit is arranged on charging station, wherein charge coil can be embedded in charging station ground, automobile receiver circuit is arranged on electric automobile, when electric automobile needs charging, sail charging station into and be parked in the position of specifying, wireless transceiver now on charging station circuit and vehicle electronic circuit carries out radio communication, after controller receives charging signals, control the first current rectifying and wave filtering circuit and PWM drive circuit effect, charge coil is made to produce oscillating magnetic field, now be positioned at the vehicle-mounted electricity reception coil of oscillating magnetic field under the effect of magnetic resonance, the wireless transmission of energy is carried out with charge coil.Be connected without wire between charging station with electric automobile, avoid the Danger Electric shock risk of charging process, realize the automatic charging of electric automobile, improve the charge efficiency of electric automobile.
The charging station voltage multiplying rectifier filter circuit construction figure that the present invention proposes see Fig. 2.
As shown in Figure 2, the first current rectifying and wave filtering circuit is by diode D1, D2, and electric capacity C1, C2 and resistance R1 form, and described electric capacity C1, C2 series connection forms two voltage doubling rectifying circuit.
In the embodiment of the present invention, adopt mains voltage 220V as driving source, utilize the unilateral conduction of diode, lower branch voltage is existed respectively on two capacitors, after then their same polarities being connected, just obtain two multiplication of voltages.
Described high-frequency inverter circuit adopts full bridge inverter, and the switching tube of described full bridge inverter selects power MOSFET switch tube.
In the embodiment of the present invention, high-frequency inverter circuit adopts full bridge inverter, switching tube adopts power MOSFET switch tube action fast, there is no secondary-breakdown phenomenon, the loss of switching frequency height is little, has positive temperature coefficient, when directly parallel connection uses, automatic equalization electric current can be realized, avoid occurring heat spot.
The type of drive of described switching tube adopts single-polarity PWM pattern.Middle higher harmonic components in circuit output voltage is relatively little.
Described vehicle-mounted receiver apparatus adopts full-controlled bridge rectification circuit to carry out rectification, and filtering mode adopts LC filter circuit, and described inductance element adopts iron-core coil.
By LC filter circuit when the electric current that inductance coil passes through changes, the self induction electromotive force for hindering curent change will be produced in inductance coil, thus reduce the pulsation of load current and load voltage, adopt the filter effect of this filtering mode can raise along with the frequency of electric current, the increase of inductance value is become better and better.
Claims (5)
1. an electric automobile wireless charging power station, it is characterized in that, comprise: charging station circuit and automobile receiver circuit two parts, described automobile receiver circuit is arranged on electric automobile, described charging station circuit comprises the first current rectifying and wave filtering circuit, high-frequency inverter circuit, controller and charge coil, the output of described first current rectifying and wave filtering circuit connects high-frequency inverter circuit, the output of described high-frequency inverter circuit connects booster circuit, the output of described booster circuit connects charge coil, described charging station circuit arranges PWM drive circuit, described PWM drive circuit is connected with described high-frequency inverter circuit, described automobile receiver circuit comprises vehicle-mounted electricity reception coil, second current rectifying and wave filtering circuit, testing circuit and wireless transceiver, described vehicle-mounted electricity reception coil connects the second current rectifying and wave filtering circuit, the output of described second current rectifying and wave filtering circuit connects storage battery, connection detection circuit on described storage battery, described testing circuit arranges wireless transceiver.
2. a kind of electric automobile wireless charging power station according to claim 1, it is characterized in that: described first current rectifying and wave filtering circuit is made up of diode D1, diode D2, electric capacity C1, electric capacity C2 and resistance R1, described electric capacity C1 and electric capacity C2 connects and forms two voltage doubling rectifying circuit.
3. a kind of electric automobile wireless charging power station according to claim 1, is characterized in that: described high-frequency inverter circuit adopts full bridge inverter, and the switching tube of described full bridge inverter is power MOSFET switch tube.
4. a kind of electric automobile wireless charging power station according to claim 3, is characterized in that: the type of drive of described switching tube adopts single-polarity PWM pattern.
5. a kind of electric automobile wireless charging power station according to claim 1, is characterized in that: described second current rectifying and wave filtering circuit adopts full-controlled bridge rectification circuit and LC filter circuit, and described inductance element adopts iron-core coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438511.1A CN104218641A (en) | 2014-08-30 | 2014-08-30 | Wireless electromobile charging station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438511.1A CN104218641A (en) | 2014-08-30 | 2014-08-30 | Wireless electromobile charging station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104218641A true CN104218641A (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410438511.1A Pending CN104218641A (en) | 2014-08-30 | 2014-08-30 | Wireless electromobile charging station |
Country Status (1)
| Country | Link |
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| CN (1) | CN104218641A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602738A (en) * | 2015-10-14 | 2017-04-26 | 河北长孚电气设备有限公司 | Magnetic coupling resonant wireless power supply system |
| CN108275009A (en) * | 2017-12-05 | 2018-07-13 | 中惠创智无线供电技术有限公司 | A kind of wireless charging method, wireless charging power station and wireless charging vehicle |
| CN113890412A (en) * | 2021-10-15 | 2022-01-04 | 盐城工学院 | Piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device |
| CN114370794A (en) * | 2021-12-30 | 2022-04-19 | 北京理工大学 | Double-environment fuze device for micro rocket projectile and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101673962A (en) * | 2009-10-14 | 2010-03-17 | 奇瑞汽车股份有限公司 | Wireless charging system for electric automobile |
| CN102969776A (en) * | 2012-12-03 | 2013-03-13 | 中国科学院电工研究所 | Wireless charging device of electronic automobile |
| CN103944243A (en) * | 2014-02-27 | 2014-07-23 | 北京航空航天大学 | Inductive non-contact charging device with precise centering function for electric automobile |
| CN103956803A (en) * | 2014-04-15 | 2014-07-30 | 华南理工大学 | Efficient wireless charging circuit of electric vehicle |
| CN204144994U (en) * | 2014-08-30 | 2015-02-04 | 深圳市金铂乐电子科技有限公司 | A kind of electric automobile wireless charging power station |
-
2014
- 2014-08-30 CN CN201410438511.1A patent/CN104218641A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101673962A (en) * | 2009-10-14 | 2010-03-17 | 奇瑞汽车股份有限公司 | Wireless charging system for electric automobile |
| CN102969776A (en) * | 2012-12-03 | 2013-03-13 | 中国科学院电工研究所 | Wireless charging device of electronic automobile |
| CN103944243A (en) * | 2014-02-27 | 2014-07-23 | 北京航空航天大学 | Inductive non-contact charging device with precise centering function for electric automobile |
| CN103956803A (en) * | 2014-04-15 | 2014-07-30 | 华南理工大学 | Efficient wireless charging circuit of electric vehicle |
| CN204144994U (en) * | 2014-08-30 | 2015-02-04 | 深圳市金铂乐电子科技有限公司 | A kind of electric automobile wireless charging power station |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602738A (en) * | 2015-10-14 | 2017-04-26 | 河北长孚电气设备有限公司 | Magnetic coupling resonant wireless power supply system |
| CN108275009A (en) * | 2017-12-05 | 2018-07-13 | 中惠创智无线供电技术有限公司 | A kind of wireless charging method, wireless charging power station and wireless charging vehicle |
| CN113890412A (en) * | 2021-10-15 | 2022-01-04 | 盐城工学院 | Piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device |
| CN114370794A (en) * | 2021-12-30 | 2022-04-19 | 北京理工大学 | Double-environment fuze device for micro rocket projectile and control method |
| CN114370794B (en) * | 2021-12-30 | 2022-10-04 | 北京理工大学 | Double-environment fuze device for micro rocket projectile and control method |
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Application publication date: 20141217 |