CN201504123U - Vehicle-mounted non-contact power supply - Google Patents
Vehicle-mounted non-contact power supply Download PDFInfo
- Publication number
- CN201504123U CN201504123U CN2009200346536U CN200920034653U CN201504123U CN 201504123 U CN201504123 U CN 201504123U CN 2009200346536 U CN2009200346536 U CN 2009200346536U CN 200920034653 U CN200920034653 U CN 200920034653U CN 201504123 U CN201504123 U CN 201504123U
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Abstract
The utility model relates to a vehicle-mounted non-contact power supply capable of transferring electrical energy in a wireless manner, which comprises a wireless signal transmitting part and a wireless signal receiving part, wherein, the wireless signal transmitting part consists of a filter current-limiting circuit, a voltage stabilizing circuit, a pulse-width modulation circuit, an oscillating circuit, a switching circuit, a transmitting coil and a signal feedback circuit which are connected in sequence, the feedback output end of the transmitting coil is connected with the input end of the pulse-width modulation circuit through the signal feedback circuit, and the wireless signal receiving part consists of a receiving coil, a rectification circuit, a voltage stabilizing circuit and a charging control circuit which are connected in sequence. When the non-contact power supply is in operation, non-contact transfer of power supply can be realized in such a manner that direct current energy is converted by the filter current-limiting circuit, the voltage stabilizing circuit, the pulse-width modulation circuit and the oscillating circuit into power supply voltage to be transmitted through the transmitting coil, and after being output by the receiving coil in the wireless signal receiving part, the sensed power supply signal is converted through the rectification circuit and the voltage stabilizing circuit in sequence into power supply voltage to be transferred to the charging control circuit.
Description
Technical field
The utility model belongs to the electric energy transmission system technical field, relates to a kind of vehicle-mounted non-contact power supply that can carry out electric energy transmitting by wireless transmission method.
Background technology
In the prior art, known electric equipment all is to carry out electric energy transmitting by the mode of the promptly direct contact power supply of wire transmission mode, because the restriction of power line, electric equipment generally is difficult to arbitrarily move, so use very inconvenient.For example on a car that travels, charge to electric equipment, also need to plug earlier a power supply inverter, again charger is coupled together, so not only inconvenient, even also can influence traffic safety, the parking lot of therefore being expert at is closed down on a lot of mobile units and is not suitable for wired charging.On the other hand, all adopt at present at strong equipment of a lot of mobility of usefulness such as mobile phone etc. rechargeable battery powered, in view of rechargeable battery needs frequent charge, use also very inconvenient, and the different brands mobile phone, charging inlet is disunity also, has so just caused the waste of a large amount of chargers.
The utility model content
The purpose of this utility model is to overcome the weak point that prior art exists, provide a kind of vehicle-mounted non-contact power supply simple in structure, easy to use according to electromagnetic induction principle, this power supply can be realized dynamically transmitting with static of electric energy with wireless mode, and is applied widely, the efficiency of transmission height.
The technical solution that adopts is so for achieving the above object: the vehicle-mounted non-contact power supply that is provided comprises separate wireless signal transmission part and wireless signal receiving unit, wherein said wireless signal transmission part is by the filtering current-limiting circuit, voltage stabilizing circuit, pulse-width modulation circuit, oscillating circuit, switching circuit, transmitting coil and signal feedback circuit are formed, the output of filtering current-limiting circuit is connected to the input of pulse-width modulation circuit behind voltage stabilizing circuit, the output of pulse-width modulation circuit is connected with the transmitting coil input behind oscillating circuit and switching circuit successively, by the receiving coil emission oscillating electromagnetic wave of transmitting coil to the wireless signal receiving unit, the feedback output end of transmitting coil is connected with the input of pulse-width modulation circuit behind signal feedback circuit; Said wireless signal receiving unit is made up of receiving coil, rectification circuit, voltage stabilizing circuit and charging control circuit, and the output of receiving coil is connected with the input of charging control circuit behind rectification circuit and voltage stabilizing circuit successively.
The utility model is owing to adopted the wireless signal transmission and the wireless signal that are provided with according to electromagnetic induction principle to receive two parts functional circuit, can make direct current energy behind filtering current limliting, voltage stabilizing, pulse-width modulation and oscillating circuit, be transformed into supply voltage and be added on the transmitting coil, and launch by the magnetic conductor on the transmitting coil; Then sense power supply signal by the receiving coil magnetic conductor in the wireless signal receiving unit again, deliver to charging control circuit by changing supply voltage into through rectification circuit and voltage stabilizing circuit successively after the receiving coil output, thereby realize the noncontact transmission of power supply.
Compared with prior art, the beneficial effect that the utlity model has is:
1, the utility model has been realized the dynamic and static wireless transmission of electric energy according to the principle of electromagnetic induction, and can carry equipment charge for simultaneously many chassis, applied range, and laser propagation effect is good.
2, non-contact power supply described in the utility model can be widely used on the various vehicles that comprise long-distance vehicle, taxi etc., also can be arranged on public places such as railway station, subway station, airport, this application of power in onboard charger have easy to use, be not subjected to charging inlet restriction, can a plurality of equipment charge simultaneously, need do not change vehicle structure and do not influence advantage such as attractive in appearance in the car, not only power supply inverter and charger, connecting line etc. can be saved, and influence can be reduced traffic safety.
3, little, practical, the low cost of manufacture, very easy to use of volume of the present utility model, can be in the practical application according to using object to make the different size product, and the utility model product can not pollute environment after tested, can not bring bad electromagnetic radiation to the people yet.
Description of drawings
Fig. 1 is an operation principle block diagram of the present utility model.
Fig. 2 is a kind of circuit structure diagram of wireless signal transmission part in the utility model.
Fig. 3 is a kind of circuit structure diagram of wireless signal receiving unit in the utility model.
Fig. 4 is specific embodiment of the utility model---the design sketch of onboard charger.
Embodiment
Below with reference to accompanying drawing the utility model content is described further, but actual fabrication structure of the present utility model is not limited in following embodiment.
Referring to accompanying drawing, vehicle-mounted non-contact power supply described in the utility model comprises separate wireless signal transmission part and wireless signal receiving unit.The wireless signal transmission part is by comprising that voltage stabilizing current-limiting circuit, transmitter and transmitting coil constitute, wherein voltage stabilizing current-limiting circuit is made up of filtering current-limiting circuit 1 and voltage stabilizing circuit 2, and transmitter comprises pulse-width modulation circuit 5, oscillating circuit 4, switching circuit 3 and the signal feedback circuit 7 that connects successively.Wireless signal receiving terminal part is made up of the receiving coil 8, rectification circuit 9, voltage stabilizing circuit 11 and the charging control circuit 10 that connect successively.In Fig. 2 and the practical structures shown in Figure 3, filtering current-limiting circuit 1 is made of C8, C9, voltage stabilizing circuit 2 is made of 7812 voltage-stabilizing device U2, it is the chip device U1 of TL494 that pulse-width modulation circuit 5 adopts model, oscillating circuit 4 is made up of Q1, Q2, switching circuit 3 is made up of Q3, Q4, and signal feedback circuit 7 is made up of D3, R6, and above-mentioned device connects by power line or the circuit board welding manner connects and be installed in the car body; Rectification circuit 9 in the wireless signal receiving unit is made of C1, C2, and voltage stabilizing circuit 11 is made of 7805 voltage-stabilizing device U3.
During foregoing circuit work, by automobile storage battery input 12V～24V direct current, after the filtering current limliting with 12V～24V direct current, be divided into two-way then and export one the tunnel for being chip U1 (TL494) and oscillating circuit power supply after process U2 (7812) voltage stabilizing, to guarantee the operate as normal of each element, another road is switching circuit Q3, Q4 power supply, for the induction of transmitting coil L provides electric energy.Offer oscillating circuit with the 80mA electric current during chip U1 work, make its frequency of oscillation at 30～40kHz, again by oscillating circuit driving switch circuit Q3, Q4, electric energy is launched by transmitting coil L with the pulse of frequency 30～40kHz, in emission process, feed back to chip U1 to transmitting by signal feedback circuit D3, R6, to realize control to transmitting, stablize its operating state, so far the transmitting terminal workflow is finished; Behind the signal of the required frequency of receiving coil sense L at 30～40kHz of wireless signal receiving unit, immediately it is transformed in the rectification circuit, rectification circuit is converted into direct current to the pulse signal that receives, after through the U3 voltage stabilizing, offer in electrical appliance or the energy storage device (as battery), power to electrical appliance by energy storage device then, so far the radio energy receiving portion divides the work flow process to finish, and the charging flow of entire equipment promptly comes to an end.
Figure 4 shows that a kind of design sketch of onboard charger, number in the figure 12 is the mobile phone wireless receiving system, and 13 is the automobile storage box dividing plate, and 14 is wireless launcher.
Claims (2)
1. vehicle-mounted non-contact power supply, it is characterized in that: comprise by power line connecting and being installed in separate wireless signal transmission part and wireless signal receiving unit in the car body, wherein said wireless signal transmission part is by filtering current-limiting circuit (1), voltage stabilizing circuit (2), pulse-width modulation circuit (5), oscillating circuit (4), switching circuit (3), transmitting coil (6) and signal feedback circuit (7) are formed, the output of filtering current-limiting circuit is connected to the input of pulse-width modulation circuit (5) behind voltage stabilizing circuit (2), the output of pulse-width modulation circuit (5) is connected with transmitting coil (6) input behind oscillating circuit (4) and switching circuit (3) successively, by receiving coil (8) the emission oscillating electromagnetic wave of transmitting coil (6) to the wireless signal receiving unit, the feedback output end of transmitting coil (6) is connected with the input of pulse-width modulation circuit (5) behind signal feedback circuit (7); Said wireless signal receiving unit is made up of receiving coil (8), rectification circuit (9), voltage stabilizing circuit (11) and charging control circuit (10), and the output of receiving coil (8) is connected with the input of charging control circuit (10) behind rectification circuit (9) and voltage stabilizing circuit (11) successively.
2. vehicle-mounted non-contact power supply according to claim 1 is characterized in that: said pulse-width modulation circuit (5) is the TL494 chip device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200346536U CN201504123U (en) | 2009-09-18 | 2009-09-18 | Vehicle-mounted non-contact power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200346536U CN201504123U (en) | 2009-09-18 | 2009-09-18 | Vehicle-mounted non-contact power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201504123U true CN201504123U (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200346536U Expired - Fee Related CN201504123U (en) | 2009-09-18 | 2009-09-18 | Vehicle-mounted non-contact power supply |
Country Status (1)
| Country | Link |
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| CN (1) | CN201504123U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101919708A (en) * | 2010-07-05 | 2010-12-22 | 深圳市开立科技有限公司 | Dual wireless ultrasonic probe and biological ultrasonic echo signal acquisition system |
| CN102157987A (en) * | 2011-03-08 | 2011-08-17 | 韩丽 | Non-contact type high-power energy transmission system and application |
| CN102315691A (en) * | 2010-07-01 | 2012-01-11 | 苏州宝时得电动工具有限公司 | Wireless charging system and method |
| CN102475444A (en) * | 2010-11-26 | 2012-05-30 | 张如彬 | Wireless power supply turntable |
| CN103066705A (en) * | 2012-09-10 | 2013-04-24 | 潘骏 | Vehicle electric wireless transmission system |
| CN103490486A (en) * | 2013-09-05 | 2014-01-01 | 上海锐灵电子科技有限公司 | Wireless charging device of portable electronic equipment |
| CN103730932A (en) * | 2013-12-20 | 2014-04-16 | 深圳市文鼎创数据科技有限公司 | Wireless charging system |
| CN103810825A (en) * | 2012-11-08 | 2014-05-21 | 通用汽车环球科技运作有限责任公司 | Mobile device-activated vehicle functions |
| CN104638775A (en) * | 2013-11-11 | 2015-05-20 | 三星电机株式会社 | Wireless power transmitting apparatus and wireless power transmitting-receiving apparatus |
| CN104779654A (en) * | 2014-01-14 | 2015-07-15 | 惠州市华阳多媒体电子有限公司 | Vehicle-mounted wireless charger and Bluetooth quick pairing method |
| CN105488987A (en) * | 2016-01-19 | 2016-04-13 | 东南大学 | Source-free wireless micromechanical switch array control system |
-
2009
- 2009-09-18 CN CN2009200346536U patent/CN201504123U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315691B (en) * | 2010-07-01 | 2015-10-21 | 苏州宝时得电动工具有限公司 | Wireless charging system and wireless charging method |
| CN102315691A (en) * | 2010-07-01 | 2012-01-11 | 苏州宝时得电动工具有限公司 | Wireless charging system and method |
| CN101919708A (en) * | 2010-07-05 | 2010-12-22 | 深圳市开立科技有限公司 | Dual wireless ultrasonic probe and biological ultrasonic echo signal acquisition system |
| CN102475444A (en) * | 2010-11-26 | 2012-05-30 | 张如彬 | Wireless power supply turntable |
| CN102157987A (en) * | 2011-03-08 | 2011-08-17 | 韩丽 | Non-contact type high-power energy transmission system and application |
| CN102157987B (en) * | 2011-03-08 | 2016-03-09 | 韩丽 | A kind of contactless high-power energy transmission system and application |
| CN103066705A (en) * | 2012-09-10 | 2013-04-24 | 潘骏 | Vehicle electric wireless transmission system |
| CN103066705B (en) * | 2012-09-10 | 2015-03-25 | 潘骏 | Vehicle electric wireless transmission system |
| CN103810825A (en) * | 2012-11-08 | 2014-05-21 | 通用汽车环球科技运作有限责任公司 | Mobile device-activated vehicle functions |
| CN103490486A (en) * | 2013-09-05 | 2014-01-01 | 上海锐灵电子科技有限公司 | Wireless charging device of portable electronic equipment |
| CN104638775A (en) * | 2013-11-11 | 2015-05-20 | 三星电机株式会社 | Wireless power transmitting apparatus and wireless power transmitting-receiving apparatus |
| CN103730932A (en) * | 2013-12-20 | 2014-04-16 | 深圳市文鼎创数据科技有限公司 | Wireless charging system |
| CN103730932B (en) * | 2013-12-20 | 2017-01-11 | 深圳市文鼎创数据科技有限公司 | Wireless charging system |
| CN104779654A (en) * | 2014-01-14 | 2015-07-15 | 惠州市华阳多媒体电子有限公司 | Vehicle-mounted wireless charger and Bluetooth quick pairing method |
| CN105488987A (en) * | 2016-01-19 | 2016-04-13 | 东南大学 | Source-free wireless micromechanical switch array control system |
| CN105488987B (en) * | 2016-01-19 | 2018-12-28 | 东南大学 | A kind of passive and wireless micro-machinery switch array control system |
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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: 20100609 Termination date: 20110918 |