CN110086212A - A kind of charging system for electric automobile and its charging method based on intelligent road-lamp - Google Patents

A kind of charging system for electric automobile and its charging method based on intelligent road-lamp Download PDF

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Publication number
CN110086212A
CN110086212A CN201810079659.9A CN201810079659A CN110086212A CN 110086212 A CN110086212 A CN 110086212A CN 201810079659 A CN201810079659 A CN 201810079659A CN 110086212 A CN110086212 A CN 110086212A
Authority
CN
China
Prior art keywords
electric energy
electric
lamp
intelligent road
reception device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810079659.9A
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Chinese (zh)
Inventor
王万军
刘洪立
舒鹏
邓力声
唐朝家
王万平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Leimo Electronics Co Ltd
Original Assignee
Shenzhen Leimo Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Leimo Electronics Co Ltd filed Critical Shenzhen Leimo Electronics Co Ltd
Priority to CN201810079659.9A priority Critical patent/CN110086212A/en
Publication of CN110086212A publication Critical patent/CN110086212A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods 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
    • B60L53/12Inductive energy transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H02J7/0027
    • H02J7/025
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The embodiment of the invention discloses a kind of charging system for electric automobile and its charging method based on intelligent road-lamp, it include: intelligent road-lamp, electric energy reception device and controller, electric energy reception device and controller are located on electric car, electric energy reception device is connected with controller, and intelligent road-lamp is connect with electric energy reception device;Intelligent road-lamp includes electric energy transmission device, electrical energy storage device and electrical energy generator device, the power storage that electrical energy generator device generates is in electrical energy storage device, electric energy transmission device is used to the electric energy in electrical energy storage device being transmitted to electric energy reception device, and electrical energy storage device is connect with electric energy transmission device, electrical energy generator device respectively.The electric energy of intelligent road-lamp can be used to provide convenience for electric car charging without in addition arranging charging pile for electric car charging, decrease the cost of construction charging pile by the embodiment of the present invention.

Description

A kind of charging system for electric automobile and its charging method based on intelligent road-lamp
Technical field
The present invention relates to automobile technical field more particularly to a kind of charging system for electric automobile based on intelligent road-lamp and its Charging method.
Background technique
As the contradiction between economic development and energy resource supply, environmental pollution increasingly intensifies, energy-saving and reduction is to change The dependence of stone fuel has become countries in the world sustained economic development problem in the urgent need to address.Electric car has fuel-economizing, ring It protects, efficient advantage.Countries in the world scientist and industry generally believe that electric car is 21st century important cleaning The vehicles.
With the extensive concern of energy crisis and environmental problem, electric car will also become one of intelligent city's life Point.It but has all been the bottleneck of electric car since charging is consistent, new-energy automobile charging pile quantity is few, lacks infrastructure bring It is greatly inconvenient, the universal of new-energy automobile is largely hindered, also counteracts the construction of intelligent city.Therefore existing electricity The charging pile quantity of electrical automobile wireless charging is few, and charge efficiency is low.
Summary of the invention
In view of the above technical problems, the embodiment of the invention provides a kind of charging system for electric automobile based on intelligent road-lamp And its charging method, it is few to be able to solve electric automobile charging pile quantity in the prior art, the low technical problem of charge efficiency.
The first aspect of the embodiment of the present invention provides a kind of charging system for electric automobile based on intelligent road-lamp, comprising:
Intelligent road-lamp, electric energy reception device and controller, the electric energy reception device and controller are located on electric car, The electric energy reception device is connected with controller, and the intelligent road-lamp is connect with the electric energy reception device;
The intelligent road-lamp includes electric energy transmission device, electrical energy storage device and electrical energy generator device, and the electric energy generates The power storage that device generates is used in electrical energy storage device, the electric energy transmission device by the electricity in the electrical energy storage device It can be transmitted to the electric energy reception device, the electrical energy storage device is connect with electric energy transmission device, electrical energy generator device respectively.
Preferably, the intelligent road-lamp is solar street light, and the electrical energy generator device is for converting light energy into electric energy.
Preferably, the electric energy transmission device is also used to send wireless charging identification signal, is received and is filled according to the electric energy The identification information set and the battery information transmit electric energy to the electric energy reception device using electromagnetic induction.
Preferably, the electric energy reception device detects whether the electric car adjacent domain has the wireless charging to identify Signal mentions the electric energy transmission device according under the control of the controller if so, then sending charge request to controller The electric energy of confession is transmitted to the vehicle mounted dynamic battery of electric car.
Preferably, the controller is also used to receive the charge request from the electric energy reception device, controls institute It states electric energy reception device and receives the electric energy of the electric energy transmission device transmitting, and obtain the battery information of vehicle mounted dynamic battery, And battery information is sent to the electric energy reception device.
Preferably, the intelligent road-lamp further include:
Alternating current generation unit, the converting direct-current power into alternating-current power for generating electrical energy generator device.
Preferably, the electric energy transmission device further include:
Primary coil, for emitting alternating current in the form of electromagnetic field to the electric energy reception device.
Preferably, the electric energy reception device further include:
Secondary coil, for generating induced current in the alternating magnetic field that the primary coil generates to receive from described Primary coil electric energy.
Second aspect of the embodiment of the present invention provides a kind of charging method of the charging system for electric automobile of intelligent road-lamp, packet It includes:
The device for generating electric energy of intelligent road-lamp pre-generates electric energy, and by the power storage in electrical energy storage device;
Electric energy transmission device transmitting charging identification signal;
Electric energy reception device, which detects the electric car adjacent domain, whether there is the wireless charging identification signal, if depositing Charge request then is being sent to controller, according under the control of the controller, into wireless charging process;
The electric energy stored in the electrical energy storage device is transmitted to the electric energy reception device, electric energy by electric energy transmission device The electric energy received is transmitted to the vehicle mounted dynamic battery of electric car by reception device.
The third aspect of the embodiment of the present invention provides a kind of non-volatile computer readable storage medium storing program for executing, which is characterized in that The non-volatile computer readable storage medium storing program for executing is stored with computer executable instructions, and the computer executable instructions are by one Or multiple processors may make one or more of processors to execute the electric car charging of above-mentioned intelligent road-lamp when executing The charging method of system.
In technical solution provided in an embodiment of the present invention, the device for generating electric energy of intelligent road-lamp pre-generates electric energy, and will The power storage is in electrical energy storage device;Electric energy transmission device transmitting charging identification signal;Electric energy reception device detects institute Electric car adjacent domain is stated with the presence or absence of the wireless charging identification signal, is existed, then sends charge request, root to controller Under control according to the controller, into wireless charging process;Electric energy transmission device will store in the electrical energy storage device Electric energy is transmitted to the electric energy reception device, and the electric energy received is transmitted to the onboard power of electric car by electric energy reception device Battery.Therefore compared with the existing technology, the electric energy of intelligent road-lamp is used to charge for electric car by the embodiment of the present invention, thus nothing It need in addition arrange charging pile, be provided convenience for electric car charging, decrease the cost of construction charging pile.
Detailed description of the invention
Fig. 1 is a kind of structure of an embodiment of the charging system for electric automobile based on intelligent road-lamp in the embodiment of the present invention Schematic diagram;
Fig. 2 is a kind of another reality of charging method of the charging system for electric automobile based on intelligent road-lamp in the embodiment of the present invention Apply the flow diagram of example.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is a kind of electric car charging method system based on intelligent road-lamp in the embodiment of the present invention The structural schematic diagram of one embodiment.As shown in Figure 1, system 1 includes: intelligent road-lamp 100, electric energy reception device 200 and control Device 300, electric energy reception device and controller are located on electric car 20, and electric energy reception device 200 and controller 300 connect, intelligence Energy streetlight 100 is connect with electric energy reception device 200;
Intelligent road-lamp includes electric energy transmission device 101, electrical energy storage device 102 and electrical energy generator device 103, and electric energy generates The power storage that device generates is in electrical energy storage device, and electric energy transmission device is for the electric energy in electrical energy storage device to be transmitted to Electric energy reception device, electrical energy storage device are connect with electric energy transmission device, electrical energy generator device respectively.
Specifically, intelligent road-lamp is used to provide electric energy, the electromagnetism magnetic of each street lamp for electric car in the embodiment of the present invention Entire road can be formed charging net and can charged to electric car when electric vehicle travels or stops by field.To combine too Positive energy streetlight infrastructure facility, without individually building network, construction is simple is quick, easy to maintain.Preferably, intelligent road-lamp is too Positive energy streetlight, electrical energy generator device is for converting light energy into electric energy.Electric power damage can further be saved using solar street light Consumption saves the energy.Electric energy reception device and controller are arranged on electric car.Onboard power electricity is additionally provided on electric car Pond, vehicle mounted dynamic battery provide electric power for electric car operation, and vehicle mounted dynamic battery can charge repeatedly.Controller can pass through The battery information of CAN bus acquisition vehicle mounted dynamic battery.
Preferably, electric energy transmission device is also used to send wireless charging identification signal, according to the identification of electric energy reception device Information and battery information transmit electric energy to electric energy reception device using electromagnetic induction.Wherein, identification information includes electric car Electric car identifies VIN code and license plate number information.VIN is English Vehicle Identification Number (vehicle identification Code) abbreviation, battery information be battery information about power.
Preferably, whether electric energy reception device detection electric car adjacent domain has wireless charging identification signal, if so, then Charge request is sent to controller, according under the control of controller, the electric energy that electric energy transmission device is provided is transmitted to electronic vapour The vehicle mounted dynamic battery of vehicle.
When it is implemented, electric energy reception device detects wireless charging identification signal, then illustrate the chargeable sun nearby Energy streetlight.Charge request then is sent to controller at this time, controller obtains the battery information of vehicle mounted dynamic battery, if onboard power The not enough power supply of battery, such as less than 50% then control electric car and enter wireless charging process, and electric energy reception device in real time will be electric The electric energy that energy emitter provides is transmitted to the vehicle mounted dynamic battery of electric car.
Preferably, controller is also used to receive the charge request from electric energy reception device, and control electric energy reception device connects The electric energy of electric energy transmission device transmitting is received, and obtains the battery information of vehicle mounted dynamic battery, and battery information is sent to electricity It can reception device.
When it is implemented, controller is also used to be the real-time detection vehicle after the charge request for receiving electric energy reception device Carrying power battery whether there is failure, the charge request of electric energy reception device is not responding to if there is failure, and in wireless charging In electric current journey, real-time detection vehicle mounted dynamic battery then terminates wireless charging process if there is failure with the presence or absence of failure.
Preferably, intelligent road-lamp further include:
Alternating current generation unit, the converting direct-current power into alternating-current power for generating electrical energy generator device.
Specifically, solar street light provides electric energy using solar-energy photo-voltaic cell, and solar energy is as a kind of environmentally protective New energy, " inexhaustible, inexhaustible ".Solar energy resources are made full use of, are had actively to the situation for alleviating conventional energy resource anxiety Meaning.The transforming principle of love Pood's solar street light is: on daytime, under illumination condition, solar module generates certain electricity Kinetic potential, by the series-parallel formation solar cell array of component, so that square matrix voltage reaches the requirement of system input voltage.Again It is charged by charging-discharging controller to battery, the power storage that will be converted by luminous energy.At night, battery group Input electricity is provided for inverter, converting direct-current power into alternating-current power is transported to by power distribution cabinet by the effect of inverter, by distribution The switching effect of cabinet is powered.The discharge scenario of battery group is controlled by controller, guarantees the normal use of battery.
Preferably, electric energy transmission device further include:
Primary coil, for emitting alternating current in the form of electromagnetic field to electric energy reception device.
It is corresponding, electric energy reception device further include:
Secondary coil comes from primary coil for generating induced current in the alternating magnetic field that primary coil generates to receive Electric energy.
The embodiment of the present invention is according to electromagnetic induction principle, by the primary coil on solar street light to mounted in electronic Secondary coil on automobile transmits electric energy, is charged with realizing to on-vehicle battery.In order to realize wireless charging, solar street light With matched equipment must be installed on electric vehicle, between transmitting terminal and receiving end by home control network communication protocol carry out information exchange, The content of communications protocol includes identification, battery information, charging control signal, safeguard protection signal etc..Electric car powers on Energy reception device must can detecte neighbouring charging emitter, and charging emitter is also able to detect that neighbouring electric energy Reception device.
Referring to Fig. 2, Fig. 2 is a kind of charging of the charging system for electric automobile based on intelligent road-lamp in the embodiment of the present invention The flow diagram of another embodiment of method.As shown in Fig. 2, the charging system for electric automobile of the intelligent road-lamp of the embodiment of the present invention Charging method, comprising:
Step S100, the device for generating electric energy of intelligent road-lamp pre-generates electric energy, and power storage is filled in power storage In setting;
Step S200, electric energy transmission device transmitting charging identification signal;
Step S300, electric energy reception device detection electric car adjacent domain whether there is wireless charging identification signal;If In the presence of thening follow the steps S400, if it does not exist, then continue to execute step S300;
Step S400, electric energy reception device sends charge request to controller, according under the control of controller, into wireless Charging flow;
Step S500, the electric energy stored in electrical energy storage device is transmitted to electric energy reception device by electric energy transmission device;
Step S600, the electric energy received is transmitted to the vehicle mounted dynamic battery of electric car by electric energy reception device.
When it is implemented, intelligent road-lamp is used to provide electric energy, the electricity of each street lamp for electric car in the embodiment of the present invention Entire road can be formed charging net and can charged to electric car when electric vehicle travels or stops by magnetic magnetic field.To tie Solar street light infrastructure facility is closed, without individually building network, construction is simple is quick, easy to maintain.Preferably, intelligent road-lamp For solar street light, electrical energy generator device is for converting light energy into electric energy.Electricity can further be saved using solar street light Power loss, saves the energy.Electric energy reception device and controller are arranged on electric car.It is additionally provided on electric car vehicle-mounted dynamic Power battery, vehicle mounted dynamic battery provide electric power for electric car operation, and vehicle mounted dynamic battery can charge repeatedly.Controller can lead to Cross the battery information that CAN bus obtains vehicle mounted dynamic battery.
The embodiment of the invention provides a kind of non-volatile computer readable storage medium storing program for executing, computer readable storage medium is deposited Computer executable instructions are contained, which is executed by one or more processors, for example, executing above retouch Method and step S100 to step S600 in the Fig. 2 stated.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. a kind of charging system for electric automobile based on intelligent road-lamp, which is characterized in that including intelligent road-lamp, electric energy reception device And controller, the electric energy reception device and controller are located on electric car, the electric energy reception device is connected with controller, The intelligent road-lamp is connect with the electric energy reception device;
The intelligent road-lamp includes electric energy transmission device, electrical energy storage device and electrical energy generator device, the electrical energy generator device In electrical energy storage device, the electric energy transmission device is used to pass the electric energy in the electrical energy storage device power storage of generation The electric energy reception device is transported to, the electrical energy storage device is connect with electric energy transmission device, electrical energy generator device respectively.
2. the charging system for electric automobile according to claim 1 based on intelligent road-lamp, which is characterized in that the intelligence road Lamp is solar street light, and the electrical energy generator device is for converting light energy into electric energy.
3. the charging system for electric automobile according to claim 2 based on intelligent road-lamp, which is characterized in that the electric energy hair Injection device is also used to send wireless charging identification signal, is believed according to the identification information of the electric energy reception device and the battery Breath transmits electric energy to the electric energy reception device using electromagnetic induction.
4. the charging system for electric automobile according to claim 3 based on intelligent road-lamp, which is characterized in that the electric energy connects Receiving apparatus detects whether the electric car adjacent domain has the wireless charging identification signal, if so, then sending to controller The electric energy that the electric energy transmission device provides is transmitted to electric car according under the control of the controller by charge request Vehicle mounted dynamic battery.
5. the charging system for electric automobile according to claim 4 based on intelligent road-lamp, which is characterized in that the controller It is also used to receive the charge request from the electric energy reception device, controls the electric energy reception device and receive the electric energy The electric energy of emitter transmitting, and the battery information of vehicle mounted dynamic battery is obtained, and battery information is sent to the electric energy Reception device.
6. the charging system for electric automobile according to claim 5 based on intelligent road-lamp, which is characterized in that the intelligence road Lamp further include:
Alternating current generation unit, the converting direct-current power into alternating-current power for generating electrical energy generator device.
7. the charging system for electric automobile according to claim 6 based on intelligent road-lamp, which is characterized in that the electric energy hair Injection device further include:
Primary coil, for emitting alternating current in the form of electromagnetic field to the electric energy reception device.
8. the charging system for electric automobile according to claim 7 based on intelligent road-lamp, which is characterized in that the electric energy connects Receiving apparatus further include:
Secondary coil comes from the primary for generating induced current in the alternating magnetic field that the primary coil generates to receive Coil electric energy.
9. a kind of charging method of the charging system for electric automobile based on the described in any item intelligent road-lamps of claim 1-8, It is characterized in that, comprising:
The device for generating electric energy of intelligent road-lamp pre-generates electric energy, and by the power storage in electrical energy storage device;
Electric energy transmission device transmitting charging identification signal;
Electric energy reception device, which detects the electric car adjacent domain, whether there is the wireless charging identification signal, and if it exists, Charge request then is sent to controller, according under the control of the controller, into wireless charging process;
The electric energy stored in the electrical energy storage device is transmitted to the electric energy reception device by electric energy transmission device;
The electric energy received is transmitted to the vehicle mounted dynamic battery of electric car by electric energy reception device.
10. a kind of non-volatile computer readable storage medium storing program for executing, which is characterized in that the non-volatile computer readable storage medium Matter is stored with computer executable instructions, when which is executed by one or more processors, may make institute State the electric car charging method based on intelligent road-lamp described in one or more processors perform claim requirement 9.
CN201810079659.9A 2018-01-26 2018-01-26 A kind of charging system for electric automobile and its charging method based on intelligent road-lamp Pending CN110086212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810079659.9A CN110086212A (en) 2018-01-26 2018-01-26 A kind of charging system for electric automobile and its charging method based on intelligent road-lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810079659.9A CN110086212A (en) 2018-01-26 2018-01-26 A kind of charging system for electric automobile and its charging method based on intelligent road-lamp

Publications (1)

Publication Number Publication Date
CN110086212A true CN110086212A (en) 2019-08-02

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Application Number Title Priority Date Filing Date
CN201810079659.9A Pending CN110086212A (en) 2018-01-26 2018-01-26 A kind of charging system for electric automobile and its charging method based on intelligent road-lamp

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104052088A (en) * 2013-03-14 2014-09-17 比亚迪股份有限公司 Wireless charging system for electric automobile
CN104362713A (en) * 2014-12-05 2015-02-18 国家电网公司 Photovoltaic-powered street lamp type wireless charging pile for electric automobiles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104052088A (en) * 2013-03-14 2014-09-17 比亚迪股份有限公司 Wireless charging system for electric automobile
CN104362713A (en) * 2014-12-05 2015-02-18 国家电网公司 Photovoltaic-powered street lamp type wireless charging pile for electric automobiles

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Application publication date: 20190802

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