CN104779685B - Wireless charging system for electric vehicle - Google Patents
Wireless charging system for electric vehicle Download PDFInfo
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- CN104779685B CN104779685B CN201510136032.9A CN201510136032A CN104779685B CN 104779685 B CN104779685 B CN 104779685B CN 201510136032 A CN201510136032 A CN 201510136032A CN 104779685 B CN104779685 B CN 104779685B
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- charging system
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a wireless charging system for an electric vehicle. The wireless charging system comprises a vehicle ID and position identification module, a vehicle-mounted electronic tag, a control module, a power supply circuit, a transmitting coil, a receiving coil and a charging circuit. The vehicle ID and position identification module is respectively connected with the vehicle-mounted electronic tag, the control module and the transmitting coil; the power supply circuit is respectively connected with the control module and the transmitting coil; the power supply circuit is externally connected with a power grid; the control module receives a signal generated by the vehicle ID and position identification module and controls the power supply circuit to supply power to the transmitting coil; the transmitting coil and the receiving coil generate electromagnetic resonance, so as to transmit energy from the power grid to the charging circuit in a wireless manner and charge a battery pack of the electric vehicle. According to the wireless charging system, by an electromagnetic resonance technology, electric energy of the power grid is transmitted to a vehicle body in a wireless manner and is stored in a battery of the vehicle body; in the charging process, real-time monitoring also can be carried out, so that intelligent control over the charging system and wireless charge of the electric vehicle in the running process are realized.
Description
Technical field
The present invention relates to Vehicular charging field, particularly to a kind of wireless charging system of electric automobile.
Background technology
With the development of auto industry, the excessive consumption of earth resource, the development prospect of electric automobile is wide, following one
In the section time, electric automobile must quickly enter huge numbers of families.And the surge with electric automobile quantity, the technology of electric automobile
Reform is imperative.New Generation of Electric Vehicle obtains significant technological progress in each field, and first generation charging skill
Based on low pressure charging, second generation charging technique enters electric automobile market with quick charge to art, but quick charge has work(
A series of excessive the brought electrical problems of rate.
Existing contact electric vehicle charging mode, the charging interval is long, and needs to set up charging station, and floor space is big,
High cost is it is difficult to popularization and application on a large scale.If can be implemented in electric automobile during traveling way and carrying out wireless charging to it, this will
Fundamentally solve the problems, such as that charging electric vehicle is difficult, accelerate electric automobile popularization, make traffic more flourishing.
Content of the invention
The present invention, in order to solve the technical problem existing for electric automobile contact charging technique, proposes a kind of electric automobile
Wireless charging system, by electromagentic resonance technology, the electric energy wireless transmission of electrical network to car body, and be stored in the battery of car body
In, charging process also can carry out monitor in real time, carries out Based Intelligent Control to charging system, thus during realizing electric automobile during traveling
Wireless charging.
The technical solution adopted for the present invention to solve the technical problems is：The wireless charging system of electric automobile, including car
ID and location identification module, vehicle carried electronic label, control module, power circuit, transmitting coil, receiving coil and the electricity that charges
Road, vehicle carried electronic label, receiving coil and charging circuit are arranged on electric automobile；Vehicle ID and location identification module, send out
Ray circle is equipped with multiple, and is arranged on highway；Vehicle ID and location identification module respectively with vehicle carried electronic label, control mould
Block, transmitting coil connect；Power circuit is connected with control module, transmitting coil respectively；Receiving coil respectively with transmitting coil, fill
Circuit connects；
Described power circuit outside electric power network；Control module receive the vehicle ID that vehicle ID and location identification module received and
Position signalling, controlling power circuit is powered to transmitting coil, and transmitting coil produces electromagentic resonance with receiving coil, will be from electrical network
Energy charging circuit is radioed to by receiving coil, thus being charged to the battery pack being arranged on electric automobile.
Described control module includes single-chip microcomputer, triode Q1, and triode Q1 is arranged on the periphery of single-chip microcomputer；Single-chip microcomputer exports
The cycle sawtooth signal of PWM pulsewidth modulation, delivers to transmitting coil after amplifying through triode Q1.
Described vehicle ID and location identification module include coil L1, photo-coupler U6, triode Q2 and N-channel FET
Q5, coil L1 are simultaneously also as transmitting coil；The PWM output interface of the input of photo-coupler U6 and control module, triode
Q2 colelctor electrode connects, and output end is connected with N-channel FET Q5；The base stage of triode Q2 is defeated with the low and high level of control module
Exit port connects；One end of coil L1 gets access to grid the positive pole of the DC voltage after power circuit rectification, another termination N-channel field
The drain electrode of effect pipe Q5；
Control module controls the on off operating mode of triode Q2, and photo-coupler U6 is controlled by off operating mode and the control of triode Q2
The PWM output state of molding block, N-channel FET Q5 is controlled by photo-coupler U6, and electrical network is straight after power circuit rectification
The break-make of stream voltage is controlled by N-channel FET Q5.
The electric energy wireless transmission of electrical network, by being embedded in the transmitting coil under highway, is arrived by the present invention in electromagentic resonance mode
On vehicle-mounted receiving coil, electric energy is stored in battery pack by vehicle-mounted receiving coil by charging circuit；Vehicle carried electronic label is launched
Set specific frequency signal, to detect the position of transmitting coil on highway；Transmitting coil receives the spy of vehicle carried electronic label transmitting
It is transferred to vehicle ID and location identification module, by vehicle ID and location identification module by received signal warp after determining frequency signal
Control module feeds back to host computer terminal；The location status different according to electric automobile are opened different emission lines by control module
Circle, to give charging electric vehicle, realizes the intelligent charge pattern of " car is charging, and car is from powered-down ".Compared with prior art, originally
Invention has the advantage that and beneficial effect:
(1) it is different from wired charging and general wireless charging, the present invention enables electric automobile and enters in the process of moving
Row charges, and considerably increases the endurance of electric automobile, has reduced or remitted electric automobile and has entered the station time of charging, reduces charging station and accounts for
Ground area, solve the problems, such as that charging electric vehicle is slow, it is difficult to charge and it is dangerous to charge so that the trip of electric automobile more just
Profit.
(2) each vehicle carried electronic label can launch the signal having unique vehicle ID, thus the present invention can pass through emission lines
Circle recognizes vehicle ID number.During charging, transmitting coil is transmitted how many electric energy and just recorded this vehicle ID number, and by data
Feed back to host computer, host computer can be charged the management such as charging by way of networking.
(3) there is road surface monitor in real time and control function：The vehicle ID that host computer feeds back according to vehicle carried electronic label, monitoring
Above highway, how many vehicle passes through, thus obtaining the information of vehicles on road surface, by vehicle ID number and power circuit
Power statistic draws the electric power of single vehicle and the total electric power of highway, if certain period total electric power is more than electrical network and bears
Carry, system will be in host computer display alarm, and host computer can limit system power and then protection system.
(4) coil of vehicle ID and location identification module is integrated with electromagnetic energy transmitting coil, greatly reduce sensing
Addition in charging system for the device, reduces cost and power consumption, also realize energy-saving and emission-reduction.
(5) simple to operate：Control module is mainly made up of single-chip microcomputer and its peripheral circuit it is achieved that switching to transmitting coil
Based Intelligent Control；In addition, host computer has the working interface of hommization, using manually operated mode, staff does not need
Very high technical requirements are the controllable present invention, significantly mitigate the workload of traffic department.
Brief description
Fig. 1 is the function structure chart of wireless charging system of the present invention；
Fig. 2 is control module, the circuit diagram of transmitting coil, vehicle ID and location identification module.
Specific embodiment
With reference to embodiment, further detailed description is done to the present invention, but embodiments of the present invention not limited to this.
Embodiment
As shown in figure 1, the wireless charging system of electric automobile of the present invention is used for highway charging, including：Vehicle ID and position
Identification module, vehicle carried electronic label, control module, power circuit, transmitting coil, receiving coil, charging circuit, host computer, car
Carry electronic tag, receiving coil and charging circuit to be arranged on electric automobile；Vehicle ID and location identification module, transmitting coil
It is equipped with multiple, and is arranged on highway, be preferably embedded under road.Vehicle ID and location identification module respectively with vehicle mounted electric
Subtab, control module, transmitting coil connect；Control module is also connected with power circuit, host computer respectively；Receiving coil is respectively
It is connected with transmitting coil, charging circuit；Electrical network, power circuit and transmitting coil are sequentially connected, and transmitting coil is produced with receiving coil
Raw electromagentic resonance, the energy from electrical network is radioed to charging circuit by receiving coil, thus to being arranged on electronic vapour
Battery pack on car is charged.
Described vehicle carried electronic label is an active radiofrequency launcher, can launch the signal of CF.Host computer
Behaviour work control terminal, is connected with control module, can real-time monitoring and control wireless charging system.Power circuit is by the electricity of electrical network
Transmitting coil can be transferred to after rectification circuit and inverter circuit are processed；Rectification circuit pass through transformer, rectification main circuit and
Wave filter is converted to direct current energy industrial AC energy, and inverter circuit passes through to control frequency and the electricity of bridge inverter main circuit switch
The size pressed and then the AC energy that direct current energy is converted to frequency needed for wireless charging.Transmitting coil is special coil, can
It is emitted in the electromagnetic energy of CF resonance by oscillating circuit；Correspondingly, receiving coil is also special coil, can receive specific
The electromagnetic energy of frequency resonance, electromagnetic energy is transferred to charging circuit.Transmitting coil and receiving coil refer to for special coil：All
For a kind of smooth surface and the red copper material coil that conducts electricity very well, debugged by coupling, enable to resonate in CF, electricity
Sense and frequency all meet the coil of the requirement of communication.For meeting the requirement as communication antenna and wireless charging operation, and consider
To the stability of charge power, charge efficiency and communication, the system acquiescence is the coil of 388uH using inductance value, and coil is straight
Depending on the design parameter of footpath, the number of turn and line footpath is then according to installation dimension.
For preventing the equipment such as system operation coil from electromagnetic radiation that this system produces etc. is affected, control module, power supply
It is provided with screening arrangement on circuit, and connected by shielding line.Control module receives what vehicle ID and location identification module received
Signal, and carry out digital-to-analogue conversion, powered to transmitting coil by programmable power supply circuit, and everything is fed back to
Host computer.According to the power statistic of vehicle ID number and power circuit, host computer show that the electric power of single vehicle and highway are always used
Electrical power, is calculated to charging expense and is managed.
As Fig. 2, control module include single-chip microcomputer STM32F103RCT6, crystal oscillator XT1, PNP type triode Q1, electric capacity C1 and
Electric capacity C2.Single-chip microcomputer STM32F103RCT6 supply port provides the operating voltage of 3.3V, crystal oscillator XT1 by linear voltage stabilization chip U2
One end connect the OSCIN mouth of single-chip microcomputer STM32F103RCT6, the other end of crystal oscillator XT1 connects single-chip microcomputer STM32F103RCT6's
OSCOUT mouth, the OSCOUT mouth of single-chip microcomputer connects one end of electric capacity C1, the other end ground connection of electric capacity C1, and the OSCOUT mouth of single-chip microcomputer connects
One end of electric capacity C2, the other end ground connection of electric capacity C2.The base stage of PNP type triode Q1 meets the PA8 of single-chip microcomputer STM32F103RCT6
Mouthful, the emitter stage of PNP type triode Q1 connects 3.3V operating voltage, and colelctor electrode connects PWM delivery outlet.The PA8 mouth of STM32F103RCT6
The cycle of output PWM pulsewidth modulation is the sawtooth waveforms of 52KHz, delivers to transmitting coil after amplifying through PNP type triode Q1.
The PWM delivery outlet that vehicle ID and location identification module, transmitting coil are controlled by control module controls output PWM arteries and veins
The cycle of wide modulation is the sawtooth signal of 52KHz, and described sawtooth waveforms exports N-channel FET by photo-coupler after being isolated
Grid, control N-channel FET drain electrode produce 52KHz sawtooth current export transmitting coil, the electricity of mechanical periodicity
Stream produces the transmitting magnetic field for wireless charging after transmitting coil.
Vehicle ID and location identification module are mainly used in the identification to on-highway motor vehicle for the single-chip microcomputer STM32F103RCT6.In Fig. 2
The physical circuit in figure of illustrated embodiment, vehicle ID and location identification module, transmitting coil are equipped with identical three, existing
It is being described with one of for representative：Including photo-coupler U3, coil L1, Schottky diode D1, photo-coupler U6, three
Pole pipe Q2, N-channel FET Q5, resistance R1, resistance R7 and resistance R10；Coil L1 is simultaneously also as transmitting coil, i.e. vehicle
Be used on ID and location identification module receiving vehicle ID and the coil of position signalling is transmitting coil simultaneously；Schottky diode D1
Shield, resistance R10 is current-limiting resistance, R1 is divider resistance.
The input of photo-coupler U6 is connected with control module, triode Q2, and output end is with N-channel FET Q5 even
Connect.Specifically for a bit, the pin 1 of photo-coupler U6 is connected with the PWM output interface of control module, the pin of photo-coupler U6
2 are connected with the colelctor electrode of triode Q2, and the base stage of triode Q2 is connected with the PC6 mouth of single-chip microcomputer STM32F103RCT6, triode
The emitter stage of Q2 connects the negative pole of power supply VCC-2；Power supply VCC-2 is the output voltage after power circuit rectification, and output voltage values are
DC voltage after rectification circuit for the industrial alternating current of the DC voltage between 12-220V or 220V-380V, specifically
Magnitude of voltage and being determined by wireless charging required voltage, the present embodiment is with direct current 12V operating voltage by default.Resistance R4 mono- terminates
To the positive pole of 3.3V voltage, another colelctor electrode terminating to triode Q2, as pull-up resistor.Single-chip microcomputer STM32F103RCT6
The low and high level of PC6 mouth determine the size of triode Q2 base current, and then control the presence or absence of triode Q2 collector current,
Thus controlling the presence or absence of pwm signal by photo-coupler U6.The pin 4 of photo-coupler U6 connects the positive pole of power supply VCC-2, pin
3 meet N-channel FET Q5 grid and resistance R7 one end, the negative pole GND-2 of resistance R7 another termination power VCC-2.Emission lines
The positive pole of the one termination power VCC-2 of circle L1, the drain electrode of another termination N-channel FET Q5, the source of N-channel FET Q5
Pole connects the negative pole of power supply VCC-2.Control the presence or absence of electric current between 1 pin of photo-coupler U6 and 2 pin, then can determine photo-coupler U6
3 pin and 4 pin between resistance size, and then control N-channel FET Q5 grid voltage size, control FET leakage
The presence or absence of electrode current, the presence or absence of final control transmitting coil L1 electric current.Due to photo-coupler U6 be controlled by control module PWM defeated
Do well and triode Q2 on off operating mode, N-channel FET Q5 is controlled by photo-coupler U6, and electrical network is through power circuit rectification
Galvanic break-make afterwards is controlled by N-channel FET Q5.Therefore in the indirect control of the PWM output interface of control module
Under, the cycle that N-channel FET Q5 exports PWM pulsewidth modulation is the electricity of the sawtooth waveforms of 52KHz to transmitting coil mechanical periodicity
Stream produces the transmitting magnetic field for wireless charging after coil L1.
During a certain transmitting coil to highway for the electric automobile during traveling, vehicle ID and location identification module sense electronic vapour
Car close to and by this information transmission to control module, activated immediately after control module analyzing and processing near transmitting coil, right
Electric automobile carries out wirelessly transmitting electrical energy, and after electric automobile is away from this transmitting coil, system will close rapidly this transmitting coil,
And allow next transmitting coil be in SBR, by that analogy, reach intelligent opening and the effect of closing transmitting coil.The present invention
The process of wireless charging, comprises the steps：
S1, Initialize installation：System power supply is normal, and each equipment is working properly.
Vehicle carried electronic label transmitting wireless signal on S2, electric automobile.
If a certain vehicle ID on S3 highway and location identification module sense vehicle carried electronic label, this vehicle ID and position
Put identification module by wireless signal feedback to control module, control module is processed to wireless signal, startup power supply circuit, will
Data after process is transferred to host computer.
If S4 this vehicle ID and location identification module continue to the wireless signal of vehicle carried electronic label, system default
Electric automobile, close to transmitting coil, control module controlling power circuit, electrical network electric energy is exported transmitting after power circuit
Coil, transmitting coil is emitted in the resonance electromagnetic energy of CF by oscillating circuit, is transmitted on highway.
Receiving coil on S5, electric automobile receives the electromagnetic energy of the CF resonance that transmitting coil sends, and leads to
Overcharge circuit is by electrical power storage in on-vehicle battery group.
S6, when electric automobile is away from transmitting coil, control module will close power circuit, and transmitting coil quits work,
Vehicle ID and location identification module are opened, and return S2.
In whole charging process, host computer with monitor in real time, and can have the ability controlling whole system.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not subject to described embodiment
Limit, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplify,
All should be equivalent substitute mode, be included within protection scope of the present invention.
Claims (6)
1. a kind of wireless charging system of electric automobile is it is characterised in that include vehicle ID and location identification module, vehicle electronics
Label, control module, power circuit, transmitting coil, receiving coil and charging circuit, vehicle carried electronic label, receiving coil and fill
Circuit is arranged on electric automobile；Vehicle ID and location identification module, transmitting coil are equipped with multiple, and are arranged on highway
On；Vehicle ID and location identification module are connected with vehicle carried electronic label, control module, transmitting coil respectively；Power circuit is respectively
It is connected with control module, transmitting coil；Receiving coil is connected with transmitting coil, charging circuit respectively；
Described power circuit outside electric power network；Control module receives vehicle ID and the position that vehicle ID and location identification module are received
Signal, controlling power circuit is powered to transmitting coil, and transmitting coil produces electromagentic resonance with receiving coil, by the energy from electrical network
Amount radios to charging circuit by receiving coil, thus being charged to the battery pack being arranged on electric automobile；
Described vehicle ID and location identification module receive vehicle ID and position signalling, described reception vehicle ID and position by coil
The coil of signal is described transmitting coil simultaneously；
Described vehicle ID and location identification module include coil L1, photo-coupler U6, triode Q2 and N-channel FET Q5,
Coil L1 is simultaneously also as transmitting coil；The PWM output interface of the input of photo-coupler U6 and control module, triode Q2 collection
Electrode connects, and output end is connected with N-channel FET Q5；The base stage of triode Q2 and the low and high level output end of control module
Mouth connects；One end of coil L1 gets access to grid the positive pole of the DC voltage after power circuit rectification, another termination N-channel field-effect
The drain electrode of pipe Q5；
Control module controls the on off operating mode of triode Q2, and photo-coupler U6 is controlled by the on off operating mode of triode Q2 and controls mould
The PWM output state of block, N-channel FET Q5 is controlled by photo-coupler U6, direct current after power circuit rectification for the electrical network
The break-make of pressure is controlled by N-channel FET Q5.
2. wireless charging system according to claim 1 it is characterised in that described vehicle carried electronic label be one active
Radiofrequency launcher.
3. wireless charging system according to claim 1 is it is characterised in that described transmitting coil and receiving coil all adopt
The red copper material of smooth surface.
4. wireless charging system according to claim 1 is it is characterised in that described control module includes single-chip microcomputer, three poles
Pipe Q1, triode Q1 is arranged on the periphery of single-chip microcomputer；Single-chip microcomputer exports the cycle sawtooth signal of PWM pulsewidth modulation, through three poles
Pipe Q1 delivers to transmitting coil after amplifying.
5. wireless charging system according to claim 1 is it is characterised in that described vehicle ID and location identification module, send out
Ray circle is equipped with three.
6. wireless charging system according to claim 1 is it is characterised in that described wireless charging system also includes and controls
The host computer that module connects, described host computer draws the electricity consumption of single vehicle according to the power statistic of vehicle ID number and power circuit
Power and the total electric power of highway, are calculated to charging expense and are managed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136032.9A CN104779685B (en) | 2015-03-26 | 2015-03-26 | Wireless charging system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136032.9A CN104779685B (en) | 2015-03-26 | 2015-03-26 | Wireless charging system for electric vehicle |
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| Publication Number | Publication Date |
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| CN104779685A CN104779685A (en) | 2015-07-15 |
| CN104779685B true CN104779685B (en) | 2017-02-22 |
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| CN201510136032.9A Expired - Fee Related CN104779685B (en) | 2015-03-26 | 2015-03-26 | Wireless charging system for electric vehicle |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364338B (en) * | 2015-07-23 | 2019-06-14 | 中兴新能源汽车有限责任公司 | Wireless charging method, apparatus and system |
| CN106469939A (en) * | 2015-08-20 | 2017-03-01 | 天津英赫新能源科技发展有限公司 | A kind of thermo-electric generation electric motor car wireless charging station |
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