CN104362715A - Wireless charging pile for electric automobile - Google Patents
Wireless charging pile for electric automobile Download PDFInfo
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- CN104362715A CN104362715A CN201410730752.3A CN201410730752A CN104362715A CN 104362715 A CN104362715 A CN 104362715A CN 201410730752 A CN201410730752 A CN 201410730752A CN 104362715 A CN104362715 A CN 104362715A
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Abstract
The invention discloses a wireless charging pile for an electric automobile. The wireless charging pile comprises a wireless transmitting end and a wireless receiving end, wherein the energy output end of a charging pile electric network is sequentially connected with a main MCU, a high-frequency soft switch, a frequency converter and a high-frequency booster transformer to output high-frequency electromagnetic power and then is loaded to an asymmetric transmitting coil, and an asymmetric resonance coil is fixed above the asymmetric transmitting coil to enhance wireless transmission effect in the direction; the wireless receiving end comprises synergetic working coils; the synergetic working coils are arranged on a chassis and a tyre hub of the electric automobile, the pressure of a received high-frequency electromagnetic signal is reduced through a high-frequency step-down transformer, and the high-frequency electromagnetic signal subjected to pressure reduction is rectified through a rectifier, and then the rectified high-frequency electromagnetic signal is output to a working battery of the electric automobile; and the frequency converter of the wireless transmitting end is provided with an automatic frequency adjustment circuit to detect the positions of the synergetic working coils. According to the wireless charging pile for the electric automobile, wireless receiving coils, namely the synergetic working coils, are arranged on the chassis, the tyre hub and the top of the electric automobile, so that the wireless transmission efficiency is greatly improved.
Description
Technical field
The present invention relates to electric automobile charging pile field, particularly relate to the stake of a kind of electric automobile wireless charging.
Background technology
Electric automobile charging station refers to the website into charging electric vehicle, similar to present gas station.Along with low-carbon economy becomes the theme of China's economic development, electric automobile is as new forms of energy strategy and the important component part of intelligent grid, one of and the emerging strategic industries determined of State Council, the emphasis of Chinese Automobile Industry ' and energy industry development from now on will be become.The charging modes that current power automobile primary is wanted has the electrical changing station of the charging pile of common charging, the charging station of quick charge and replaceable battery.But these three kinds of modes have certain drawback, but common defects is: the common standard problem of wired connection.Common charging modes mostly is AC charging, once needs within eight to ten hours, just can be full of, and this will take the charging stand-by period in a large number, increases charging station construction scale.Quick charge mode mostly is DC charging, and once charging needs dozens of minutes, and quick charge can reduce the useful life of battery, and very important to the impact of urban distribution network.And the main problems faced of the mode changing battery has the standardization of the electric automobile of battery, the circulation control problem of battery etc.Along with the development of wireless charging technology, sight is placed on wireless charging technology by people gradually, studies its application in charging electric vehicle field.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides flexible, the efficient electric automobile wireless charging stake of a kind of charging.
For achieving the above object, the present invention takes following technical scheme:
The stake of a kind of electric automobile wireless charging, comprising:
Wireless transmission end, comprise main MCU, high-frequency soft switch, frequency converter, high-frequency step-up transformer, asymmetric transmitting coil and asymmetric resonance coil, charging pile power grid energy output is connected with high-frequency soft switch, frequency converter, high-frequency step-up transformer successively and exports High frequency electromagnetic power, then be loaded on asymmetric transmitting coil, described asymmetric resonance coil is fixed on above asymmetric transmitting coil to strengthen the party's wireless transmission effect upwards; High-frequency soft switch, frequency converter, high-frequency step-up transformer control end are all connected with main MCU;
Wireless interface receiving end, comprise collaborative work coil, described collaborative work coil is arranged on electric automobile chassis and tire nave boss, after high frequency voltage descending transformer pressure-reducing, rectifier rectification, export the high-frequency electromagnetic signal received to electric automobile working battery, the frequency converter of described wireless transmission end is provided with automatic frequency adjustment circuit to detect collaborative work coil position.
Further, this charging pile top is also provided with mechanical arm and manipulator, described asymmetric transmitting coil and asymmetric resonance coil are arranged on a robotic arm, described collaborative work coil is arranged on electric automobile roof, corresponding with point symmetrical resonance coil position, mechanical arm and manipulator drive dynamic triaxial motor by main MCU and drive, and realize asymmetric resonance coil corresponding with the position of collaborative work coil, ensure maximum power.Manipulator is provided with magnetic field intensity monitor, and the magnetic field intensity signal of detection is transferred to main MCU by described magnetic field intensity monitor, adjusts mechanical arm and position of manipulator for main MCU.
Further, described asymmetric transmitting coil is transmitting coil array, be connected in parallel on charging pile electrical network ac bus by multiple asymmetric transmitting coil, described asymmetric transmitting coil forms LC series resonant circuit with shared turnable resonator electric capacity respectively, is equipped with high magnetic conduction ferrite below asymmetric transmitting coil with side.
Further, described asymmetric transmitting coil is also linearly sprawled by some groups of transmitting coil cross-circulations and is formed, and cycle period length is 60cm, is equipped with high magnetic conduction ferrite below asymmetric transmitting coil with side.
Further, described asymmetric resonance coil is planar rectangular spiral gradually open form structure, and the outermost layer length of side is 60cm, and asymmetric resonance coil is fixed on asymmetric transmitting coil coil 25cm.
Further, described collaborative work coil has no chance resonator by single turn and multiturn induction coil forms jointly, described single turn has no chance resonator and is parallel with high pressure resistant metal thin film capacitor, described multiturn induction coil is in series with high pressure resistant metal thin film capacitor, and multiturn induction coil is laid on high magnetic conduction ferrite flat board.
Further, described high-frequency soft switch is single tube quasi-resonance PWM Zero-voltage soft switch.
Further, described wireless interface receiving end is provided with from MCU, describedly to be connected from MCU with high frequency voltage descending transformer, and carry out radio communication with main MCU, from MCU, electric automobile working battery charged state is monitored, and being real-time transmitted to main MCU, main MCU to the charging of transmission electric quantity metering, and completes financial transaction.
Beneficial effect: electric automobile wireless charging provided by the invention stake avoids the defect of wired charging, arranges wireless receive coil and collaborative work coil at electric automobile chassis, tire nave boss and top simultaneously, substantially increases radio transmission efficiency; This wireless charging stake can be arranged on garage or parking lot, electric automobile be charged when stopping, avoiding the stand-by period; The present invention adopts asymmetric transmitting coil to make high energy magnetic field concentration of energy near transmitting coil in addition, and strengthens magnetic field by asymmetric resonance coil, improves radio transmission efficiency equally.
Accompanying drawing explanation
Fig. 1 is wireless charging pilework schematic diagram provided by the invention.
Fig. 2 is the asymmetric transmitting coil structural representation of the present invention.
Fig. 3 is the asymmetric resonance coil structural representation of the present invention.
Fig. 4 is collaborative work loop construction schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of electric automobile wireless charging stake 1, comprising:
Wireless transmission end 5, comprise main MCU, high-frequency soft switch, frequency converter, high-frequency step-up transformer, asymmetric transmitting coil and asymmetric resonance coil, charging pile power grid energy output is connected with high-frequency soft switch, frequency converter, high-frequency step-up transformer successively and exports High frequency electromagnetic power, then be loaded on asymmetric transmitting coil, described asymmetric resonance coil is fixed on above asymmetric transmitting coil to strengthen the party's wireless transmission effect upwards; High-frequency soft switch, frequency converter, high-frequency step-up transformer control end are all connected with main MCU;
Wireless interface receiving end 4, comprise collaborative work coil, described collaborative work coil is arranged on electric automobile chassis and tire nave boss, after high frequency voltage descending transformer pressure-reducing, rectifier rectification, export the high-frequency electromagnetic signal received to electric automobile working battery, the frequency converter of described wireless transmission end is provided with automatic frequency adjustment circuit to detect collaborative work coil position.
Further, this charging pile top is also provided with mechanical arm 2 and manipulator 3, described asymmetric transmitting coil and asymmetric resonance coil are arranged on manipulator 3, described collaborative work coil is arranged on electric automobile roof, corresponding with point symmetrical resonance coil position, mechanical arm and manipulator drive dynamic triaxial motor by main MCU and drive, and realize asymmetric resonance coil corresponding with the position of collaborative work coil, ensure maximum transmission power.Manipulator is provided with magnetic field intensity monitor, and the magnetic field intensity signal of detection is transferred to main MCU by described magnetic field intensity monitor, adjusts mechanical arm and position of manipulator for main MCU.
In addition, as shown in Figure 2, asymmetric transmitting coil is transmitting coil array, is connected in parallel on charging pile electrical network ac bus, is equipped with high magnetic conduction ferrite 8 below asymmetric transmitting coil with side by multiple transmitting coil 9.Or asymmetric transmitting coil is also linearly sprawled by some groups of transmitting coil cross-circulations and is formed, and cycle period length is 60cm, is equipped with high magnetic conduction ferrite below asymmetric transmitting coil with side.Collaborative work coil has no chance resonator 7 by single turn and jointly forms with multiturn induction coil 6, described single turn has no chance resonator 7 and is parallel with high pressure resistant metal thin film capacitor, described multiturn induction coil 6 is in series with high pressure resistant metal thin film capacitor, and multiturn induction coil 6 is laid on high magnetic conduction ferrite flat board.
As shown in Figure 3, asymmetric resonance coil, resonance coil 10 and shared turnable resonator electric capacity 11 form LC series resonant circuit, be preferably planar rectangular spiral gradually open form structure, the outermost layer length of side is 60cm, and asymmetric resonance coil is fixed on 25cm(manipulator place above each asymmetric transmitting coil coil and is then positioned at below).
High-frequency soft switch is single tube quasi-resonance PWM Zero-voltage soft switch.
Wireless interface receiving end is provided with from MCU, is describedly connected from MCU with high frequency voltage descending transformer, and carries out radio communication with main MCU, from MCU, electric automobile working battery charged state is monitored, and being real-time transmitted to main MCU, main MCU to the charging of transmission electric quantity metering, and completes financial transaction.
This wireless charging stake is arranged on garage or parking lot, when electric automobile during traveling is to wireless charging stake place, garage or ground, parking lot arrange electric automobile front-wheel and trailing wheel locking device, electric automobile position is locked, after opening charging, main MCU adjusts operator position by magnetic field intensity, and adjustment completes, electric automobile chassis and asymmetric transmitting coil unlatching work corresponding to tire nave boss, carry out wireless charging.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. an electric automobile wireless charging stake, is characterized in that comprising:
Wireless transmission end, comprise main MCU, high-frequency soft switch, frequency converter, high-frequency step-up transformer, asymmetric transmitting coil and asymmetric resonance coil, charging pile power grid energy output is connected with high-frequency soft switch, frequency converter, high-frequency step-up transformer successively and exports High frequency electromagnetic power, then be loaded on asymmetric transmitting coil, described asymmetric resonance coil is fixed on above asymmetric transmitting coil to strengthen the party's wireless transmission effect upwards; High-frequency soft switch, frequency converter, high-frequency step-up transformer control end are all connected with main MCU;
Wireless interface receiving end, comprise collaborative work coil, described collaborative work coil is arranged on electric automobile chassis and tire nave boss, after high frequency voltage descending transformer pressure-reducing, rectifier rectification, export the high-frequency electromagnetic signal received to electric automobile working battery, the frequency converter of described wireless transmission end is provided with automatic frequency adjustment circuit to detect collaborative work coil position.
2. a kind of electric automobile wireless charging according to claim 1 stake, it is characterized in that: this charging pile top is also provided with mechanical arm and manipulator, described asymmetric transmitting coil and asymmetric resonance coil are arranged on a robotic arm, described collaborative work coil is arranged on electric automobile roof, corresponding with point symmetrical resonance coil position, described manipulator is provided with magnetic field intensity monitor, and the magnetic field intensity signal of detection is transferred to main MCU by described magnetic field intensity monitor.
3. a kind of electric automobile wireless charging according to claim 1 and 2 stake, it is characterized in that: described asymmetric transmitting coil is transmitting coil array, be connected in parallel on charging pile electrical network ac bus by multiple asymmetric transmitting coil, described asymmetric transmitting coil forms LC series resonant circuit with shared turnable resonator electric capacity respectively, is equipped with high magnetic conduction ferrite below asymmetric transmitting coil with side.
4. a kind of electric automobile wireless charging according to claim 1 and 2 stake, it is characterized in that: described asymmetric transmitting coil is also linearly sprawled by some groups of transmitting coil cross-circulations and formed, cycle period length is 60cm, is equipped with high magnetic conduction ferrite below asymmetric transmitting coil with side.
5. a kind of electric automobile wireless charging according to claim 4 stake, it is characterized in that: described asymmetric resonance coil is planar rectangular spiral gradually open form structure, the outermost layer length of side is 60cm, and asymmetric resonance coil is fixed on asymmetric transmitting coil coil 25cm.
6. a kind of electric automobile wireless charging according to claim 1 stake, it is characterized in that: described collaborative work coil has no chance resonator by single turn and multiturn induction coil forms jointly, described single turn has no chance resonator and is parallel with high pressure resistant metal thin film capacitor, described multiturn induction coil is in series with high pressure resistant metal thin film capacitor, and multiturn induction coil is laid on high magnetic conduction ferrite flat board.
7. a kind of electric automobile wireless charging according to claim 1 stake, is characterized in that: described high-frequency soft switch is single tube quasi-resonance PWM Zero-voltage soft switch.
8. a kind of electric automobile wireless charging according to claim 1 stake, is characterized in that: described wireless interface receiving end is provided with from MCU, is describedly connected from MCU with high frequency voltage descending transformer, and carries out radio communication with main MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730752.3A CN104362715A (en) | 2014-12-05 | 2014-12-05 | Wireless charging pile for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730752.3A CN104362715A (en) | 2014-12-05 | 2014-12-05 | Wireless charging pile for electric automobile |
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| CN104362715A true CN104362715A (en) | 2015-02-18 |
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| CN201410730752.3A Pending CN104362715A (en) | 2014-12-05 | 2014-12-05 | Wireless charging pile for electric automobile |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868552A (en) * | 2015-05-29 | 2015-08-26 | 百度在线网络技术（北京）有限公司 | Wireless charging method, device and system |
| CN105098940A (en) * | 2015-09-02 | 2015-11-25 | 广西南宁智翠科技咨询有限公司 | Wireless charging pile with theft prevention and timing functions of battery |
| CN105119356A (en) * | 2015-09-02 | 2015-12-02 | 广西南宁智翠科技咨询有限公司 | Wireless battery charging pile with timing function |
| CN105162224A (en) * | 2015-09-02 | 2015-12-16 | 广西南宁智翠科技咨询有限公司 | Wireless electric bicycle charging pile |
| CN105162222A (en) * | 2015-09-02 | 2015-12-16 | 广西南宁智翠科技咨询有限公司 | Wireless charging pile against battery theft |
| CN105162223A (en) * | 2015-09-02 | 2015-12-16 | 广西南宁智翠科技咨询有限公司 | Wireless charging pile against battery theft |
| CN105958657A (en) * | 2016-04-28 | 2016-09-21 | 乐视控股（北京）有限公司 | Automobile wireless charging method, device and system |
| CN107340445A (en) * | 2017-08-15 | 2017-11-10 | 中惠创智无线供电技术有限公司 | A kind of electric automobile wireless charging Auto-Test System |
| CN109149784A (en) * | 2018-09-03 | 2019-01-04 | Oppo广东移动通信有限公司 | Wireless charger, electronic equipment and wireless charging system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009004483U1 (en) * | 2009-03-31 | 2009-07-16 | Micma Gmbh | Wireless charger for vehicles with electric drive |
| CN201813192U (en) * | 2010-09-30 | 2011-04-27 | 西北工业大学 | Non-contact mobile intelligent charger of electric automobile |
| CN201966671U (en) * | 2011-03-30 | 2011-09-07 | 河北新宇宙电动车有限公司 | Wireless charging system of electric vehicle |
| CN202435104U (en) * | 2011-11-29 | 2012-09-12 | 合肥国轩高科动力能源有限公司 | Electric automobile wireless charging system |
| CN103545940A (en) * | 2013-11-11 | 2014-01-29 | 天津工业大学 | Asymmetrical on-line wireless power supply coupler |
| CN204258404U (en) * | 2014-12-05 | 2015-04-08 | 国家电网公司 | The stake of a kind of electric automobile wireless charging |
-
2014
- 2014-12-05 CN CN201410730752.3A patent/CN104362715A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009004483U1 (en) * | 2009-03-31 | 2009-07-16 | Micma Gmbh | Wireless charger for vehicles with electric drive |
| CN201813192U (en) * | 2010-09-30 | 2011-04-27 | 西北工业大学 | Non-contact mobile intelligent charger of electric automobile |
| CN201966671U (en) * | 2011-03-30 | 2011-09-07 | 河北新宇宙电动车有限公司 | Wireless charging system of electric vehicle |
| CN202435104U (en) * | 2011-11-29 | 2012-09-12 | 合肥国轩高科动力能源有限公司 | Electric automobile wireless charging system |
| CN103545940A (en) * | 2013-11-11 | 2014-01-29 | 天津工业大学 | Asymmetrical on-line wireless power supply coupler |
| CN204258404U (en) * | 2014-12-05 | 2015-04-08 | 国家电网公司 | The stake of a kind of electric automobile wireless charging |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868552A (en) * | 2015-05-29 | 2015-08-26 | 百度在线网络技术（北京）有限公司 | Wireless charging method, device and system |
| CN105098940A (en) * | 2015-09-02 | 2015-11-25 | 广西南宁智翠科技咨询有限公司 | Wireless charging pile with theft prevention and timing functions of battery |
| CN105119356A (en) * | 2015-09-02 | 2015-12-02 | 广西南宁智翠科技咨询有限公司 | Wireless battery charging pile with timing function |
| CN105162224A (en) * | 2015-09-02 | 2015-12-16 | 广西南宁智翠科技咨询有限公司 | Wireless electric bicycle charging pile |
| CN105162222A (en) * | 2015-09-02 | 2015-12-16 | 广西南宁智翠科技咨询有限公司 | Wireless charging pile against battery theft |
| CN105162223A (en) * | 2015-09-02 | 2015-12-16 | 广西南宁智翠科技咨询有限公司 | Wireless charging pile against battery theft |
| CN105958657A (en) * | 2016-04-28 | 2016-09-21 | 乐视控股（北京）有限公司 | Automobile wireless charging method, device and system |
| CN107340445A (en) * | 2017-08-15 | 2017-11-10 | 中惠创智无线供电技术有限公司 | A kind of electric automobile wireless charging Auto-Test System |
| CN109149784A (en) * | 2018-09-03 | 2019-01-04 | Oppo广东移动通信有限公司 | Wireless charger, electronic equipment and wireless charging system |
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Application publication date: 20150218 |