CN108284754A - A kind of wireless charging device and electric vehicle for electric vehicle - Google Patents
A kind of wireless charging device and electric vehicle for electric vehicle Download PDFInfo
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- CN108284754A CN108284754A CN201710419394.8A CN201710419394A CN108284754A CN 108284754 A CN108284754 A CN 108284754A CN 201710419394 A CN201710419394 A CN 201710419394A CN 108284754 A CN108284754 A CN 108284754A
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- 238000007600 charging Methods 0.000 title claims abstract description 205
- 238000004891 communication Methods 0.000 claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000012790 confirmation Methods 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 241001062009 Indigofera Species 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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
- B60L53/10—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
- B60L53/14—Conductive energy transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H02J7/025—
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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
-
- 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
-
- 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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless charging devices and electric vehicle for electric vehicle, including existing DC charging socket in Wireless charging coil, power conversion unit, communication control unit and electric vehicle, the input terminal of Wireless charging coil and power conversion unit connects, and the output end of power conversion unit is connect according to the first existing national standard with the DC power supply port on DC charging socket；Communication control unit is connect with power conversion unit and DC charging socket respectively, for using on DC charging socket existing port, according to the second existing national standard and battery management system BMS carry out charging communication, be additionally operable to control power conversion unit and the voltage that Wireless charging coil exports be converted to DC voltage needed for the battery of electric vehicle.The application need to only provide the communication control unit being adapted with the DC charging socket according to existing national standard and the wireless charging to electric vehicle can be realized, and have versatility using existing wired DC charging socket on electric vehicle.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly to a kind of wireless charging device for electric vehicle and
Electric vehicle.
Background technology
With the development of wireless charging technology, industry more and more people think that wireless charging is that New-energy electric vehicle fills
The developing direction of electricity, and have increased to National Technical strategic level.Therefore, a kind of wireless charging for electric vehicle is designed
Electric installation is particularly important.
And to install wireless charging device additional on electric vehicle, first it is to be understood that electric interfaces (interface of battery), secondly
It is to be understood that the communication protocol of BMS (Battery Management System, battery management system), on the one hand, this Liang Dian depot
It often maintains secrecy, wireless charging device design producer is not knowing that electric interfaces and BMS's is logical by cooperation in the prior art
Wireless charging device can not be installed additional on vehicle in the case of letter agreement；On the other hand, even if wireless charging device designs producer
It is aware of at this 2 points, since the type kind of vehicle on the market is various, also uniformly causing greatly to wireless charging device
It is difficult.
Therefore, how to provide it is a kind of solve above-mentioned technical problem scheme be that those skilled in the art need to solve at present
Problem.
Invention content
The object of the present invention is to provide a kind of wireless charging devices for electric vehicle, can realize to electric vehicle
Wireless charging, and there is versatility；It is a further object of the present invention to provide a kind of electronic vapour including above-mentioned wireless charging device
Vehicle.
In order to solve the above technical problems, the present invention provides a kind of wireless charging device for electric vehicle, including nothing
Existing DC charging socket in micro USB electric coil, power conversion unit, communication control unit and electric vehicle, wherein：
The Wireless charging coil is connect with the input terminal of the power conversion unit, the output of the power conversion unit
End is connect according to the first existing national standard with the DC power supply port on the DC charging socket；
The communication control unit is connect with the power conversion unit and the DC charging socket respectively, for utilizing
Existing port on the DC charging socket carries out charging communication according to the second existing national standard and battery management system BMS, also
The battery of the electric vehicle is converted to for controlling the power conversion unit by the voltage that the Wireless charging coil exports
Required DC voltage.
Preferably, the communication control unit includes：
Microcontroller；
One end is connect with the microcontroller, the other end confirms port with the second charging connection on the DC charging socket
The remote control of CC2 connections 1K resistance over the ground, for the remote control output connection confirmation signal to the electric vehicle until wireless charging
Terminate；
One end is connect with the microcontroller, the other end confirms port with the first charging connection on the DC charging socket
The analog-digital converter ADC of CC1 connections judges whether the microcontroller can with the electric vehicle for the microcontroller by it
By connection；
One end is connect with the microcontroller, the other end communicates CAN interface with the BMS chargings on the DC charging socket and connects
The CAN interface connect, for carrying out charge data interaction with the BMS；
One end is connect with the microcontroller, the other end is connect with the low pressure accessory power supply port on the DC charging socket
Remote control export low pressure accessory power supply, for the electric vehicle provide accessory power supply；
The communication module being connect with the microcontroller, it is logical with wireless charging system ground surface end by it for the microcontroller
Letter.
Preferably, the communication module is WiFi module and/or bluetooth module and/or radio-frequency module.
Preferably, after the microcontroller is additionally operable in the flame-out preset time of the electric vehicle without carrying out wireless charging
Or automatically into dormant state after the electric vehicle charging complete.
Preferably, the communication control unit further includes：
The Rouser that one end is connect with the electric vehicle, the other end is connect with the microcontroller, for detecting
When the electric vehicle starts, microcontroller in a dormant state is waken up.
Preferably, the communication control unit further includes：
The current acquisition unit that one end is connect with the DC power supply port, the other end is connect with the microcontroller, is used for
Charging current is acquired, and converts the charging current to current signal and is sent to the microcontroller；The microcontroller is additionally operable to
Current-limiting protection is carried out when judging to obtain overcurrent according to the current signal；
One end connect with the DC power supply port, the voltage acquisition unit that the other end is connect with the microcontroller, is used for
Charging voltage is acquired, and converts the charging voltage to voltage signal and is sent to the microcontroller；The microcontroller is additionally operable to
It correspondingly carries out doing overvoltage protection when judging to obtain electric voltage over press according to the voltage signal.
Preferably, the communication control unit further includes：
The temperature collecting cell being connect with the microcontroller, the temperature for acquiring the wireless charging device, and will be warm
Degree is converted to temperature signal and is sent to the microcontroller, and the microcontroller is additionally operable to judge to obtain temperature according to the temperature signal
Excess temperature processing is carried out when excessively high.
Preferably, the wireless charging device further includes：
It is set to the high voltage direct current relay of the DC power supply port, for carrying out wireless charging in the electric vehicle
When, the external wired charging side for controlling the DC power supply port disconnects.
Preferably, the described first existing national standard is GB/T20234.3, and the second existing national standard is GB/T27930.
In order to solve the above technical problems, the present invention also provides a kind of electric vehicle, including wireless charging as described above
Electric installation.
The present invention provides a kind of wireless charging devices and electric vehicle for electric vehicle, including wireless charging electric wire
Existing DC charging socket in circle, power conversion unit, communication control unit and electric vehicle, wherein Wireless charging coil
It is connect with the input terminal of power conversion unit, the output end of power conversion unit is according to the first existing national standard and DC charging socket
On DC power supply port connection；Communication control unit is connect with power conversion unit and DC charging socket respectively, for profit
With on DC charging socket existing port, according to the second existing national standard and battery management system BMS carry out charging communication, also use
The voltage that Wireless charging coil exports is converted to the DC voltage needed for the battery of electric vehicle in control power conversion unit.
As it can be seen that the application is using existing wired DC charging socket on electric vehicle, due to the port of DC charging socket and its logical
Letter agreement is known, and therefore, the present invention only need to provide the communication being adapted with the DC charging socket according to existing national standard
The wireless charging to electric vehicle can be realized in control unit, and has versatility.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of wireless charging device for electric vehicle provided by the invention；
Fig. 2 is a kind of structural schematic diagram of communication control unit provided by the invention.
Specific implementation mode
Core of the invention is to provide a kind of wireless charging device for electric vehicle, can realize to electric vehicle
Wireless charging, and there is versatility；Another core of the present invention is to provide a kind of electronic vapour including above-mentioned wireless charging device
Vehicle.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is a kind of structural representation of wireless charging device for electric vehicle provided by the invention
Figure, the device include existing direct current in Wireless charging coil 1, power conversion unit 2, communication control unit 3 and electric vehicle
Charging socket 4, wherein：
Wireless charging coil 1 is connect with the input terminal of power conversion unit 2, and the output end of power conversion unit 2 is according to
One existing national standard is connect with the DC power supply port on DC charging socket 4；
Communication control unit 3 is connect with power conversion unit 2 and DC charging socket 4 respectively, for utilizing DC charging
Existing port on socket 4 carries out charging communication according to the second existing national standard and battery management system BMS, is additionally operable to control work(
The voltage that Wireless charging coil 1 exports is converted to the DC voltage needed for the battery of electric vehicle by rate converter unit 2.
It is understood that electric vehicle in the prior art substantially all use wired charging method, by charging pile come
It charges.One kind provided herein is set on electric vehicle, for carrying out the wireless of wireless charging for electric vehicle
Charging unit.
In view of being already provided with the DC charging socket 4 for wired charging on existing electric vehicle, connect with battery
Mouthful and the agreement of BMS only have unlike depot knows, DC charging socket 4 is arranged according to national standard, DC charging
The function and communication protocol of interface, interface on socket 4 are that those skilled in the art are known, are based on this, and the application is from examining
The protocol translation for considering battery interface and BMS is to consider to make full use of DC charging socket 4.
In wireless charging device provided by the present application, the output end of power conversion unit 2 and the DC power supply of national regulations
Port connects, and the battery that the voltage that wireless receiving coil exports is converted to electric vehicle by power conversion unit 2 is required straight
Galvanic electricity pressure.
In addition, communication control unit 3 is also accordingly arranged according to DC charging socket 4, communication control unit 3 passes through
DC charging socket 4 and BMS carries out charge data communication, it is therefore an objective to make full use of the existing port on DC charging socket 4, press
Wireless charging is realized according to the charging flow of existing national regulations.
The present invention provides a kind of wireless charging devices for electric vehicle, including Wireless charging coil, power conversion
Existing DC charging socket in unit, communication control unit and electric vehicle, wherein Wireless charging coil and power conversion list
The input terminal connection of member, the output end of power conversion unit is according to the DC power supply in the first existing national standard and DC charging socket
Port connects；Communication control unit is connect with power conversion unit and DC charging socket respectively, for being inserted using DC charging
Existing port on seat carries out charging communication according to the second existing national standard and battery management system BMS, is additionally operable to control power and becomes
It changes unit and the voltage that Wireless charging coil exports is converted to DC voltage needed for the battery of electric vehicle.As it can be seen that the application
Using existing wired DC charging socket on electric vehicle, since the port of DC charging socket and its communication protocol are
Know, therefore, the present invention only need to provide the communication control unit being adapted with the DC charging socket according to existing national standard
It realizes the wireless charging to electric vehicle, and there is versatility.
Fig. 2 is please referred to, Fig. 2 is a kind of structural schematic diagram of communication control unit provided by the invention, in above-described embodiment
On the basis of：
As a kind of preferred embodiment, communication control unit 3 includes：
Microcontroller 30；
One end is connect with microcontroller 30, the second charging connection on the other end and DC charging socket 4 confirms that port CC2 connects
The remote control connect 1K resistance 31 over the ground, for the remote control output connection confirmation signal to electric vehicle until wireless charging terminates；
One end is connect with microcontroller 30, the first charging connection on the other end and DC charging socket 4 confirms that port CC1 connects
The analog-digital converter ADC 32 connect judges whether microcontroller 30 is reliably connected with electric vehicle for microcontroller 30 by it；
One end is connect with microcontroller 30, the other end communicates CAN interface 33 with the BMS chargings on DC charging socket 4 and connects
CAN interface 33, be used for and BMS carry out charge data interaction；
One end connect with microcontroller 30, low pressure accessory power supply port connection on the other end and DC charging socket 4 it is distant
Control output low pressure accessory power supply 34, for providing accessory power supply to electric vehicle；
The communication module 35 being connect with microcontroller 30, it is logical with wireless charging system ground surface end by it for microcontroller 30
Letter.
Specifically, realizing for STM32 or Freescale or Infineon may be used in microcontroller 30 here, certainly,
Other kinds of microcontroller may be used to realize, the present invention is not particularly limited herein.
1K resistance 31 is used for the remote control output connection confirmation signal to electric vehicle in charging over the ground for remote control, realizes national standard
It provides the physical connection in charging flow, terminates in wireless charging or without being disconnected when wireless charging signal, do not influence vehicle
Traveling and DC charging port use.
ADC 32 confirms that port CC1 is connect with the first charging connection of electric vehicle, so that microcontroller 30 passes through itself and list
Whether piece machine 30 is reliably connected with electric vehicle, to ensure being smoothed out for follow-up wireless charging.
CAN interface 33 is communicated by it with the BMS realizations on electric vehicle for microcontroller 30, and microcontroller 30 passes through CAN
Interface 33 and BMS carries out the interaction of charge data.
In view of some electric vehicles need the external world to it to provide accessory power supply always, some electric vehicles need the external world to
It provides accessory power supply and enters working condition as wake-up signal to wake up the BMS or VCU of electric vehicle, and the application is also set
Remote control output low pressure accessory power supply 34 is set, for providing accessory power supply for electric vehicle, to complete national regulations charging flow
In physical connection power up, when not used close output.
Wireless communication is module of the device with wireless charging system ground surface end into row data communication, receives wireless charging system
The instruction of ground surface end, and pass the state of electric vehicle, data back ground surface end in real time, for system processing.
As a kind of preferred embodiment, communication module 35 is WiFi module and/or bluetooth module and/or radio frequency mould
Block.
Certainly, communication module 35 here can also be other kinds of communication module, and the present invention is not done particularly herein
It limits.
As a kind of preferred embodiment, microcontroller 30 is additionally operable to stop working in preset time without carrying out nothing in electric vehicle
Automatically into dormant state after micro USB electricity or after electric vehicle charging complete.
Because wireless charging device is the low pressure accessory power supply using electric vehicle, to reduce battery power consumption, microcontroller 30
It is detecting in charging complete or vehicle stall preset time without meeting after carrying out wireless charging automatically into dormant state.This
In preset time can be arranged according to actual conditions.
As a kind of preferred embodiment, communication control unit 3 further includes：
One end connect with electric vehicle, the Rouser 36 of the other end and microcontroller 30 connection, for detect it is electronic
When automobile starting, microcontroller 30 in a dormant state is waken up.
Specifically, when Rouser 36 detects that electric vehicle starts, 30 retirement of microcontroller can be triggered and slept, namely waken up
Microcontroller 30 in a dormant state, so that microcontroller 30 can rapidly enter working condition.
As a kind of preferred embodiment, communication control unit 3 further includes：
The current acquisition unit 37 that one end is connect with DC power supply port, the other end and microcontroller 30 connect, for acquiring
Charging current, and convert charging current to current signal and be sent to microcontroller 30；Microcontroller 30 is additionally operable to according to current signal
Judgement obtains carrying out current-limiting protection when overcurrent；
The voltage acquisition unit 38 that one end is connect with DC power supply port, the other end and microcontroller 30 connect, for acquiring
Charging voltage, and convert charging voltage to voltage signal and be sent to microcontroller 30；Microcontroller 30 is additionally operable to according to voltage signal
Judgement correspondingly carries out doing overvoltage protection when obtaining electric voltage over press.
Be also provided with to improve the security performance of wireless charging device, in the wireless charging device current acquisition unit 37 and
Voltage acquisition unit 38, electric current it is excessive either charging voltage is excessively high when microcontroller 30 can by adjusting itself or control phase
Module is answered to carry out electric current or voltage protection.
As a kind of preferred embodiment, communication control unit 3 further includes：
The temperature collecting cell 39 being connect with microcontroller 30, the temperature for acquiring wireless charging device, and temperature is turned
It is changed to temperature signal and is sent to microcontroller 30, microcontroller 30 is additionally operable to judge to be carried out when the temperature is excessively high according to temperature signal
Temperature processing.
Specifically, temperature collecting cell 39 here can be thermistor, other kinds of temperature can also be used to pass
Sensor, the present invention are not particularly limited herein.
As a kind of preferred embodiment, wireless charging device further includes：
It is set to the high voltage direct current relay of DC power supply port, for when electric vehicle carries out wireless charging, controlling
The external wired charging side of DC power supply port disconnects.
Because the output end of power conversion unit 2 is connected in parallel on DC charging port, filled in wireless charging device
When electric, the external wired charging side (external wired charging plug accesses direction) of DC charging port is high pressure, since the side is
External, it is easy to happen danger, therefore, the application is also provided with high voltage direct current relay, and the high voltage direct current relay is using normal
Contact is opened, only when carrying out wireless charging, the external wired charging side of control DC power supply port disconnects, and improves wireless charging
The security performance of electric installation.
As a kind of preferred embodiment, the first existing national standard is GB/T20234.3, and the second existing national standard is GB/
T27930。
Certainly, in other countries, the first existing national standard and second existing state's rotating savings adaptive change, the present invention here exist
This is not particularly limited.
For convenience of the understanding to wireless charging device provided by the invention, below to wireless charging device provided by the invention
The course of work be described：
1, after the charging instruction that the present apparatus receives wireless charging system ground surface end, opening remote control exports low pressure auxiliary electricity
Source 34 (A+, A-) and remote control 1K resistance 31 (CC2) over the ground；
2, ADC 32 acquires port (CC1) judgment means and is connect with electric vehicle normally, confirms that physical connection is completed；
3, according to charging flow specified in national standard GB/T27930 and communication protocol by CAN communication interface (S+, S-) into
Capable connection of shaking hands；
4, device notifies terrestrial wireless charging transmitting terminal to start to charge up by radio communication after the completion of connecting, and closes and be connected to
The high voltage direct current relay of electric vehicle DC charging socket 4 prevents in charging process electric vehicle DC charging socket 4 with height
Piezoelectricity.
5, after ground surface end starts to charge up, device according to charging flow specified in national standard GB/T27930 and communication protocol into
Enter the charging stage, and the data of the BMS data and acquisition that receive reached into ground surface end in real time, it is faulty or full of when and
When stop output, protect equipment.
To sum up, present invention utilizes the established national standard GB/T27930 and GB/T20234.3 designs of conduction-type charging to open
Hair, under the present situation that electric vehicle wireless charging standard is not yet put into effect, very easily realizes the system of electric vehicle wireless charging
One, and the power of electric vehicle wireless charging is unrestricted.
In addition, electric vehicle installation the present invention vehicle-mounted end wireless charging device after, do not influence using DC interface into
The function of row wired charging.
Include such as above-mentioned wireless charging Denso in order to solve the above technical problems, the present invention also provides a kind of electric vehicle
It sets.
Above-described embodiment is please referred to for the introduction of electric vehicle provided by the invention, details are not described herein by the present invention.
It should be noted that in the present specification, relational terms such as first and second and the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of wireless charging device for electric vehicle, which is characterized in that including Wireless charging coil, power conversion list
Existing DC charging socket in member, communication control unit and electric vehicle, wherein：
The Wireless charging coil is connect with the input terminal of the power conversion unit, and the output end of the power conversion unit is pressed
It is connect with the DC power supply port on the DC charging socket according to the first existing national standard；
The communication control unit is connect with the power conversion unit and the DC charging socket respectively, described in utilizing
Existing port on DC charging socket carries out charging communication according to the second existing national standard and battery management system BMS, is additionally operable to
The power conversion unit is controlled to be converted to the voltage that the Wireless charging coil exports needed for the battery of the electric vehicle
DC voltage.
2. wireless charging device as described in claim 1, which is characterized in that the communication control unit includes：
Microcontroller；
One end is connect with the microcontroller, the other end confirms port CC2 with the second charging connection on the DC charging socket
The remote control of connection 1K resistance over the ground, for the remote control output connection confirmation signal to the electric vehicle until wireless charging knot
Beam；
One end is connect with the microcontroller, the other end confirms port CC1 with the first charging connection on the DC charging socket
The analog-digital converter ADC of connection judges whether the microcontroller is reliable with the electric vehicle for the microcontroller by it
Connection；
One end is connect with the microcontroller, the other end is connect with the BMS charging communication CAN interfaces on the DC charging socket
CAN interface, for carrying out charge data interaction with the BMS；
One end is connect with the microcontroller, the other end connect with the low pressure accessory power supply port on the DC charging socket it is distant
Control output low pressure accessory power supply, for providing accessory power supply to the electric vehicle；
The communication module being connect with the microcontroller is communicated by it with wireless charging system ground surface end for the microcontroller.
3. wireless charging device as claimed in claim 2, which is characterized in that the communication module is WiFi module and/or indigo plant
Tooth module and/or radio-frequency module.
4. wireless charging device as claimed in claim 2, which is characterized in that the microcontroller is additionally operable in the electric vehicle
In flame-out preset time without carry out after wireless charging or the electric vehicle charging complete after automatically into dormant state.
5. wireless charging device as claimed in claim 4, which is characterized in that the communication control unit further includes：
The Rouser that one end is connect with the electric vehicle, the other end is connect with the microcontroller, for described in detecting
When electric vehicle starts, microcontroller in a dormant state is waken up.
6. wireless charging device as claimed in claim 2, which is characterized in that the communication control unit further includes：
The current acquisition unit that one end is connect with the DC power supply port, the other end is connect with the microcontroller, for acquiring
Charging current, and convert the charging current to current signal and be sent to the microcontroller；The microcontroller is additionally operable to basis
The current signal carries out current-limiting protection when judging to obtain overcurrent；
One end connect with the DC power supply port, the voltage acquisition unit that the other end is connect with the microcontroller, for acquiring
Charging voltage, and convert the charging voltage to voltage signal and be sent to the microcontroller；The microcontroller is additionally operable to basis
It correspondingly carries out doing overvoltage protection when the voltage signal judges to obtain electric voltage over press.
7. wireless charging device as claimed in claim 2, which is characterized in that the communication control unit further includes：
The temperature collecting cell being connect with the microcontroller, the temperature for acquiring the wireless charging device, and temperature is turned
It is changed to temperature signal and is sent to the microcontroller, the microcontroller is additionally operable to judge to obtain temperature according to the temperature signal excessively high
The processing of Shi Jinhang excess temperatures.
8. such as claim 1-7 any one of them wireless charging devices, which is characterized in that the wireless charging device also wraps
It includes：
It is set to the high voltage direct current relay of the DC power supply port, is used for when the electric vehicle carries out wireless charging,
The external wired charging side for controlling the DC power supply port disconnects.
9. wireless charging device as claimed in claim 8, which is characterized in that the first existing national standard is GB/T20234.3,
The second existing national standard is GB/T27930.
10. a kind of electric vehicle, which is characterized in that including such as claim 1-9 any one of them wireless charging device.
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Effective date of registration: 20210325 Address after: 518000 room 133-134, No.1 International Students (Longgang) Pioneer Park, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee after: ZONECHARGE (SHENZHEN) WIRELESS POWER SUPPLY TECHNOLOGY Co.,Ltd. Address before: 264003 Mingda West Road, Laishan District, Yantai, Shandong Province, No. 11 Patentee before: ZHONG HUI POWERISE WIRELESS POWER TECHNOLOGY Ltd. |