CN204012878U - A kind of compatible electric motor car wireless charging system that passes energy and communication - Google Patents

A kind of compatible electric motor car wireless charging system that passes energy and communication Download PDF

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Publication number
CN204012878U
CN204012878U CN201420475741.0U CN201420475741U CN204012878U CN 204012878 U CN204012878 U CN 204012878U CN 201420475741 U CN201420475741 U CN 201420475741U CN 204012878 U CN204012878 U CN 204012878U
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circuit
signal
underground
wireless charging
communication
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CN201420475741.0U
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Inventor
孙逢楠
隋国蜀
刘耀辉
刘宁
王传民
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Shandong luruan Digital Technology Co.,Ltd. smart energy branch
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Shandong Luneng Intelligence Technology Co Ltd
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Abstract

The utility model discloses a kind of compatible electric motor car wireless charging system that passes energy and communication, comprising: be installed on underground underground circuit and the vehicle electronic circuit that is installed on automotive interior; Underground circuit is connected by coil coupling with vehicle electronic circuit; Underground circuit comprises power supply circuits and underground control circuit; Power supply circuits comprise: the electricity network being connected in series successively, circuit of power factor correction, inverter, former limit compensating network, primary coil; Underground control circuit comprises: the output signal of signal receiving device is processed and sent to circuit of power factor correction and inverter through former limit controller; Vehicle electronic circuit comprises charging circuit and vehicle-mounted control circuit; Charging circuit comprises: the secondary coil being connected in series successively, secondary compensating network, rectifier, charger, battery; Vehicle-mounted control circuit comprises: analog acquisition device is processed and sent to sender unit through microcontroller after signal is sent to analog to digital converter; Thereby guaranteed the real-time of whole system.

Description

A kind of compatible electric motor car wireless charging system that passes energy and communication
Technical field
The utility model relates to a kind of electric automobile wireless charging and field of wireless communication, particularly a kind of compatible electric motor car wireless charging system that passes energy and communication.
Background technology
At present transmitting non-contact electric energy technology mainly contains following several mode: induction, inductance capacitance formula, electromagentic resonance formula, radio wave formula.Wherein inductance capacitance formula wireless power transmission technology report is less; Radio wave formula utilizes micro high efficiency receiving circuit to catch the radio wave reflecting from barrier, is converted into stable electric energy powering load, and this mode is comparatively ripe, and transmission range is also the longest, but through-put power is lower.
The application of wireless charging technology on electric automobile, by being embedded in the primary winding on earth's surface, carry out electric energy transmitting with the electromagnetic coupled that is fixed on the secondary coil of vehicle chassis, electrokinetic cell is charged, there is reliable, safety and environmental protection, the series of advantages such as full-automatic, non-maintaining.To the great demand of electric automobile wireless charging technology, make the research and development application of correlation technique quite active.Typical application comprises the wireless charging mobile charging experiment highway of New Zealand's country's underground heat park 30kW passenger's electric transporting vehicle, Los Angeles,U.S and the BMW 7 serial cars of being furnished with onboard wireless charge mobile phone charger that Korea S sells etc.Daily output is listened the wind Chevrolet Wo Landahe CA-MIEV of Mitsubishi concept car and is all intended employing wireless charging technique.
Radio communication is a kind of communication mode that utilizes characteristic that electromagnetic wave signal can be propagated in free space to carry out information exchange.Low coverage wireless communication technology in the market mainly contains bluetooth, infrared and WLAN (wireless local area network) (Wi-Fi).But Bluetooth technology is too expensive; Infrared technique requires must to aim between two equipment of signal transmission and centre can not be intercepted by other object; The data security performance of Wi-Fi technology is not high.
NFC technology (near field communication (NFC)) is the short distance wireless communication technology rising recent years, and its transmission range only has 0-20cm, but the fail safe of signal transmission is higher, cheap.The method of < < compatible wireless charging and NFC and the device > > (patent No.: a kind of method that 201210260768.3) compatible wireless charging and near-field communication are provided, although wireless charging and radio communication share an antenna, but accepting radio energy and carrying out transmission of wireless signals is timesharing, cannot guarantee the real-time that wireless charging system for electric automobile is controlled.
Utility model content
The problem existing for solving above-mentioned prior art, the utility model provides a kind of compatible electric motor car wireless charging system that passes energy and communication, by passing, can carry out transmission of wireless signals by coil, realize the closed loop control method of wireless charging system for electric automobile, thereby guaranteed the real-time that wireless charging system for electric automobile is controlled.
For achieving the above object, the technical solution adopted in the utility model is:
A compatible electric motor car wireless charging system that passes energy and communication, comprising: be installed on underground underground circuit and the vehicle electronic circuit that is installed on automotive interior; Described underground circuit is connected by coil coupling with described vehicle electronic circuit; Described underground circuit comprises power supply circuits and underground control circuit; Described power supply circuits comprise: the electricity network being connected in series successively, circuit of power factor correction, inverter, former limit compensating network, primary coil; Described underground control circuit comprises: for receiving the signal receiving device of vehicle electronic circuit control signal, the output signal of described signal receiving device is processed and is sent to circuit of power factor correction and the inverter in power supply circuits through former limit controller, for controlling power supply circuits; Described vehicle electronic circuit comprises charging circuit and vehicle-mounted control circuit; Described charging circuit comprises: the secondary coil being connected in series successively, secondary compensating network, rectifier, charger, battery; Described vehicle-mounted control circuit comprises: for gathering the analog acquisition device of charging circuit parameter, analog acquisition device sends to analog to digital converter by signal, and the output signal of analog to digital converter is processed and sent to sender unit through microcontroller.
Described circuit of power factor correction adopts Active Power Factor Correction.
Described inverter adopts full-bridge type controlled rectifier topological structure, adjusts the time that turns on and off of switching tube by control, obtains the high-frequency ac output within the scope of 20kHZ~100kHZ.
Described former limit compensating network adopts the compensation way of former limit series capacitance, and the parameter of capacitor is determined according to the resonance frequency of specified 3kW load, 85kHZ.
Described secondary compensating network adopts the compensation way of secondary series capacitance, and the parameter of capacitor is determined according to the resonance frequency of specified 3kW load, 85kHZ.
Described sender unit sends to signal receiving device by former secondary coil coupling by signal.
Output current and output voltage that the signal of described analog acquisition device collection is power supply circuits.
It is voltage reference signal that described former limit controller sends to the signal of power factor correction.
It is that frequency is f that described former limit controller sends to the signal of inverter refpwm switching signal.
Beneficial effect
1, pass and can be used for carrying out wireless telecommunications by coil simultaneously, saved antenna and relevant design.
2, point-to-point control, has higher confidentiality and fail safe.
3, system adopts closed-loop control, has guaranteed the real-time that wireless charging system for electric automobile is controlled.
Accompanying drawing explanation
Fig. 1 is the structure chart of electric automobile induction type wireless charging system;
Fig. 2 is the utility model system closed-loop control schematic diagram.
Wherein: 1, circuit of power factor correction; 2, inverter; 3, former limit compensating network; 4, primary coil; 5, secondary coil; 6, secondary compensating network; 7, rectifier; 8, analog acquisition device; 9, analog to digital converter; 10, microcontroller; 11, sender unit; 12, signal receiving device; 13, former limit controller; 14, electricity network; 15, charger; 16, battery.
Embodiment
In order further to understand the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of structural representation of electric automobile induction wireless charging system, comprises power supply circuits and charging circuit, and described power supply circuits are connected by coil coupling with charging circuit; Described power supply circuits comprise: the electricity network 14 being connected in series successively, circuit of power factor correction 1, inverter 2, former limit compensating network 3, primary coil 4; Described charging circuit comprises: the secondary coil 5 being connected in series successively, secondary compensating network 6, rectifier 7, charger 15, battery 16;
Fig. 2 is system closed-loop control schematic diagram, comprises underground control circuit and vehicle-mounted control circuit; Described underground control circuit comprises: for receiving the signal receiving device 12 of vehicle electronic circuit control signal, the output signal of described signal receiving device is processed and is sent to circuit of power factor correction 1 and the inverter 2 in power supply circuits through former limit controller 13, for controlling power supply circuits; Described vehicle-mounted control circuit comprises: for gathering the analog acquisition device 8 of charging circuit parameter, analog acquisition device sends to analog to digital converter 9 by signal, and the output signal of analog to digital converter is processed and sent to sender unit 11 through microcontroller 10; Described sender unit sends to signal receiving device by former secondary coil coupling by signal.
Loop control theory is: the information about power of load side is given microcontroller after analog acquisition device, analog to digital converter, after processing, sender unit is coupled to secondary coil, coupling coil through former secondary is delivered to primary coil, after processing, signal receiving device is delivered to former limit controller, frequency and the voltage magnitude of former limit controller control inverter, realize wireless, the closed-loop control of whole system.
Described circuit of power factor correction adopts Active Power Factor Correction, and power factor, up to 0.99, all can realize stable output in wider input voltage range.
Described inverter adopts full-bridge type controlled rectifier topological structure, adjusts the time that turns on and off of switching tube by control, obtains the high-frequency ac output within the scope of 20kHZ~100kHZ.
Described former limit compensating network adopts the compensation way of former limit series capacitance, and the parameter of capacitor is determined according to the resonance frequency of specified 3kW load, 85kHZ.
Described secondary compensating network adopts the compensation way of secondary series capacitance, and the parameter of capacitor is determined according to the resonance frequency of specified 3kW load, 85kHZ.
Output current and output voltage that the signal of described analog acquisition device collection is power supply circuits.
It is voltage reference signal that described former limit controller sends to the signal of circuit of power factor correction.
It is that frequency is f that described former limit controller sends to the signal of inverter refpwm switching signal.
Described power supply circuits and underground control circuit form underground circuit and are installed on underground.
Described charging circuit and vehicle-mounted control the electric circuit constitute vehicle electronic circuit are installed on automotive interior.
Although above-mentioned, by reference to the accompanying drawings embodiment of the present utility model is described; but the not restriction to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection range of the present utility model.

Claims (9)

1. a compatible electric motor car wireless charging system that passes energy and communication, is characterized in that, comprising: be installed on underground underground circuit and the vehicle electronic circuit that is installed on automotive interior; Described underground circuit is connected by coil coupling with described vehicle electronic circuit; Described underground circuit comprises power supply circuits and underground control circuit; Described power supply circuits comprise: the electricity network being connected in series successively, circuit of power factor correction, inverter, former limit compensating network, primary coil; Described underground control circuit comprises: for receiving the signal receiving device of vehicle electronic circuit control signal, the output signal of described signal receiving device is processed and is sent to circuit of power factor correction and the inverter in power supply circuits through former limit controller, for controlling power supply circuits; Described vehicle electronic circuit comprises charging circuit and vehicle-mounted control circuit; Described charging circuit comprises: the secondary coil being connected in series successively, secondary compensating network, rectifier, charger, battery; Described vehicle-mounted control circuit comprises: for gathering the analog acquisition device of charging circuit parameter, analog acquisition device sends to analog to digital converter by signal, and the output signal of analog to digital converter is processed and sent to sender unit through microcontroller.
2. a kind of compatible electric motor car wireless charging system that passes energy and communication as claimed in claim 1, is characterized in that, described circuit of power factor correction adopts Active Power Factor Correction.
3. a kind of compatibility as claimed in claim 1 passes the electric motor car wireless charging system of energy and communication, it is characterized in that, described inverter adopts full-bridge type controlled rectifier topological structure, by control, adjust the time that turns on and off of switching tube, obtain the high-frequency ac output within the scope of 20kHZ~100kHZ.
4. a kind of compatibility as claimed in claim 1 passes the electric motor car wireless charging system of energy and communication, it is characterized in that, described former limit compensating network adopts the compensation way of former limit series capacitance, and the parameter of capacitor is determined according to the resonance frequency of specified 3kW load, 85kHZ.
5. a kind of compatibility as claimed in claim 1 passes the electric motor car wireless charging system of energy and communication, it is characterized in that, described secondary compensating network adopts the compensation way of secondary series capacitance, and the parameter of capacitor is determined according to the resonance frequency of specified 3kW load, 85kHZ.
6. a kind of compatible electric motor car wireless charging system that passes energy and communication as claimed in claim 1, is characterized in that, described sender unit sends to signal receiving device by former secondary coil coupling by signal.
7. a kind of compatible electric motor car wireless charging system that passes energy and communication as claimed in claim 1, is characterized in that output current and output voltage that the signal of described analog acquisition device collection is power supply circuits.
8. a kind of compatible electric motor car wireless charging system that passes energy and communication as claimed in claim 1, is characterized in that, it is voltage reference signal that described former limit controller sends to the signal of power factor correction.
9. a kind of compatible electric motor car wireless charging system that passes energy and communication as claimed in claim 1, is characterized in that, it is that frequency is f that described former limit controller sends to the signal of inverter refpwm switching signal.
CN201420475741.0U 2014-08-22 2014-08-22 A kind of compatible electric motor car wireless charging system that passes energy and communication Active CN204012878U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105846526A (en) * 2016-06-14 2016-08-10 安徽机电职业技术学院 Wireless charging system for mobile electronic equipment
WO2017101834A1 (en) * 2015-12-18 2017-06-22 比亚迪股份有限公司 Electric automobile, on-board charger thereof, and on-board charger control method
CN109591628A (en) * 2018-11-21 2019-04-09 东风汽车集团有限公司 A kind of wireless charging system for electric automobile and method based on automatic Pilot

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017101834A1 (en) * 2015-12-18 2017-06-22 比亚迪股份有限公司 Electric automobile, on-board charger thereof, and on-board charger control method
CN105846526A (en) * 2016-06-14 2016-08-10 安徽机电职业技术学院 Wireless charging system for mobile electronic equipment
CN109591628A (en) * 2018-11-21 2019-04-09 东风汽车集团有限公司 A kind of wireless charging system for electric automobile and method based on automatic Pilot

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C14 Grant of patent or utility model
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CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park)

Patentee after: National Network Intelligent Technology Co., Ltd.

Address before: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 silver bearing No. 2008 building B block 626

Patentee before: Shandong Luneng Intelligent Technology Co., Ltd.

Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park)

Patentee after: National Network Intelligent Technology Co., Ltd.

Address before: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 silver bearing No. 2008 building B block 626

Patentee before: Shandong Luneng Intelligent Technology Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201214

Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province

Patentee after: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch

Address before: 250101 power intelligent robot production project 101 south of Feiyue Avenue and east of No.26 Road (in ICT Industrial Park) in Suncun District of Gaoxin, Jinan City, Shandong Province

Patentee before: National Network Intelligent Technology Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province

Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch

Address before: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province

Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch