CN108284754B - Wireless charging device for electric automobile and electric automobile - Google Patents
Wireless charging device for electric automobile and electric automobile Download PDFInfo
- Publication number
- CN108284754B CN108284754B CN201710419394.8A CN201710419394A CN108284754B CN 108284754 B CN108284754 B CN 108284754B CN 201710419394 A CN201710419394 A CN 201710419394A CN 108284754 B CN108284754 B CN 108284754B
- Authority
- CN
- China
- Prior art keywords
- wireless charging
- charging
- single chip
- chip microcomputer
- electric automobile
- 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.)
- Active
Links
- 238000004891 communication Methods 0.000 claims abstract description 61
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 238000012790 confirmation Methods 0.000 claims description 11
- 230000003993 interaction Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- 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—
-
- 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
Abstract
The invention discloses a wireless charging device for an electric automobile and the electric automobile, which comprise a wireless charging coil, a power conversion unit, a communication control unit and an existing direct current charging socket in the electric automobile, wherein the wireless charging coil is connected with the input end of the power conversion unit, and the output end of the power conversion unit is connected with a direct current power port on the direct current charging socket according to a first existing national standard; the communication control unit is respectively connected with the power conversion unit and the direct current charging socket, is used for carrying out charging communication with the battery management system BMS according to a second existing national standard by utilizing an existing port on the direct current charging socket, and is also used for controlling the power conversion unit to convert the voltage output by the wireless charging coil into direct current voltage required by a battery of the electric automobile. The wireless charging to electric automobile can be realized only by providing the communication control unit adapted to the existing wired direct-current charging socket according to the existing national standard, and the wireless charging to electric automobile is realized.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a wireless charging device for an electric automobile and the electric automobile.
Background
With the development of wireless charging technology, more and more people in the industry consider wireless charging to be the development direction of charging new energy electric vehicles, and have risen to the national technical strategy level. Therefore, it is important to design a wireless charging device for an electric vehicle.
On one hand, the two car factories are often kept secret, and a wireless charging device designer in the prior art cannot install a wireless charging device on a vehicle without obtaining the communication protocol of the electric interface and the BMS through cooperation; on the other hand, even if the wireless charging device designers know the two points, the integration of the wireless charging devices is extremely difficult due to the variety of models of the vehicles on the market.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a wireless charging device for an electric automobile, which can realize wireless charging of the electric automobile and has universality; another object of the present invention is to provide an electric vehicle including the wireless charging device.
In order to solve the above technical problems, the present invention provides a wireless charging device for an electric vehicle, comprising a wireless charging coil, a power conversion unit, a communication control unit and an existing dc charging socket in the electric vehicle, wherein:
the wireless charging coil is connected with the input end of the power conversion unit, and the output end of the power conversion unit is connected with a direct current power port on the direct current charging socket according to a first existing national standard;
the communication control unit is respectively connected with the power conversion unit and the direct current charging socket, is used for performing charging communication with a Battery Management System (BMS) according to a second existing national standard by utilizing an existing port on the direct current charging socket, and is also used for controlling the power conversion unit to convert the voltage output by the wireless charging coil into direct current voltage required by a battery of the electric automobile.
Preferably, the communication control unit includes:
a single chip microcomputer;
the remote control ground 1K resistor is connected with the single chip microcomputer at one end and connected with a second charging connection confirmation port CC2 on the direct current charging socket at the other end, and is used for outputting a connection confirmation signal to the remote control of the electric automobile until the wireless charging is finished;
the analog-to-digital converter ADC is connected with the single chip microcomputer at one end and connected with a first charging connection confirmation port CC1 on the direct-current charging socket at the other end, and is used for judging whether the single chip microcomputer is reliably connected with the electric automobile or not through the analog-to-digital converter ADC;
the CAN interface is used for carrying out charging data interaction with the BMS, and one end of the CAN interface is connected with the single chip microcomputer, and the other end of the CAN interface is connected with the BMS charging communication CAN interface on the direct-current charging socket;
the remote control output low-voltage auxiliary power supply is connected with the singlechip at one end and connected with a low-voltage auxiliary power supply port on the direct-current charging socket at the other end and is used for providing an auxiliary power supply for the electric automobile;
and the communication module is connected with the single chip microcomputer and is used for communicating the single chip microcomputer with the ground end of the wireless charging system through the communication module.
Preferably, the communication module is a WiFi module and/or a bluetooth module and/or a radio frequency module.
Preferably, the single chip microcomputer is further configured to automatically enter a sleep state after the electric vehicle is not wirelessly charged within a flameout preset time or after the electric vehicle is charged.
Preferably, the communication control unit further includes:
and the awakening device is connected with the electric automobile at one end and the single chip microcomputer at the other end and is used for awakening the single chip microcomputer in a dormant state when the electric automobile is detected to be started.
Preferably, the communication control unit further includes:
the current acquisition unit is used for acquiring charging current, converting the charging current into a current signal and transmitting the current signal to the single chip microcomputer; the single chip microcomputer is also used for judging whether the current is over-current according to the current signal so as to carry out current limiting protection;
the voltage acquisition unit is used for acquiring charging voltage, converting the charging voltage into a voltage signal and transmitting the voltage signal to the single chip microcomputer; the single chip microcomputer is also used for correspondingly performing overvoltage protection when the voltage is judged to be overvoltage according to the voltage signal.
Preferably, the communication control unit further includes:
the temperature acquisition unit is connected with the single chip microcomputer and used for acquiring the temperature of the wireless charging device and converting the temperature into a temperature signal to be sent to the single chip microcomputer, and the single chip microcomputer is further used for carrying out over-temperature processing when the temperature is too high according to the temperature signal.
Preferably, the wireless charging device further includes:
and the high-voltage direct-current relay is arranged at the direct-current power supply port and used for controlling the disconnection of the external wired charging side of the direct-current power supply port when the electric automobile is wirelessly charged.
Preferably, the first existing national standard is GB/T20234.3, and the second existing national standard is GB/T27930.
In order to solve the technical problem, the invention further provides an electric vehicle which comprises the wireless charging device.
The invention provides a wireless charging device for an electric automobile and the electric automobile, which comprise a wireless charging coil, a power conversion unit, a communication control unit and an existing direct current charging socket in the electric automobile, wherein the wireless charging coil is connected with the input end of the power conversion unit, and the output end of the power conversion unit is connected with a direct current power port on the direct current charging socket according to a first existing national standard; the communication control unit is respectively connected with the power conversion unit and the direct current charging socket, is used for carrying out charging communication with the battery management system BMS according to a second existing national standard by utilizing an existing port on the direct current charging socket, and is also used for controlling the power conversion unit to convert the voltage output by the wireless charging coil into direct current voltage required by a battery of the electric automobile. Therefore, the wireless charging of the electric automobile can be realized only by providing the communication control unit adaptive to the direct current charging socket according to the existing national standard, and the wireless charging socket has universality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wireless charging device for an electric vehicle according to the present invention;
fig. 2 is a schematic structural diagram of a communication control unit according to the present invention.
Detailed Description
The core of the invention is to provide a wireless charging device for an electric automobile, which can realize wireless charging of the electric automobile and has universality; the other core of the invention is to provide an electric automobile comprising the wireless charging device.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wireless charging device for an electric vehicle according to the present invention, the device includes a wireless charging coil 1, a power conversion unit 2, a communication control unit 3, and an existing dc charging socket 4 in the electric vehicle, wherein:
the wireless charging coil 1 is connected with the input end of the power conversion unit 2, and the output end of the power conversion unit 2 is connected with a direct current power port on the direct current charging socket 4 according to a first existing national standard;
the communication control unit 3 is respectively connected with the power conversion unit 2 and the direct current charging socket 4, and is used for performing charging communication with the battery management system BMS according to a second existing national standard by using an existing port on the direct current charging socket 4, and is also used for controlling the power conversion unit 2 to convert the voltage output by the wireless charging coil 1 into a direct current voltage required by a battery of the electric vehicle.
It can be understood that the electric vehicles in the prior art basically adopt a wired charging mode, and are charged through a charging pile. The application provides a set up on electric automobile for carry out wireless charging's wireless charging device for electric automobile.
Considering that the existing electric vehicle is provided with the dc charging socket 4 for wired charging, the dc charging socket 4 is provided according to the national standard, and the interface, the function of the interface, and the communication protocol of the interface on the dc charging socket 4 are known to those skilled in the art, unlike the protocol of the battery interface and the BMS, based on which the present application is shifted from the protocol considering the battery interface and the BMS to the protocol considering the full utilization of the dc charging socket 4.
In the wireless charging device provided by the application, the output end of the power conversion unit 2 is connected with a direct current power port specified by the national standard, and the power conversion unit 2 converts the voltage output by the wireless receiving coil into the direct current voltage required by the battery of the electric automobile.
In addition, the communication control unit 3 is also configured according to the dc charging socket 4, and the communication control unit 3 performs charging data communication with the BMS through the dc charging socket 4 in order to realize wireless charging according to a charging procedure prescribed by the existing national standard by making full use of an existing port on the dc charging socket 4.
The invention provides a wireless charging device for an electric automobile, which comprises a wireless charging coil, a power conversion unit, a communication control unit and an existing direct current charging socket in the electric automobile, wherein the wireless charging coil is connected with the input end of the power conversion unit, and the output end of the power conversion unit is connected with a direct current power port on the direct current charging socket according to a first existing national standard; the communication control unit is respectively connected with the power conversion unit and the direct current charging socket, is used for carrying out charging communication with the battery management system BMS according to a second existing national standard by utilizing an existing port on the direct current charging socket, and is also used for controlling the power conversion unit to convert the voltage output by the wireless charging coil into direct current voltage required by a battery of the electric automobile. Therefore, the wireless charging of the electric automobile can be realized only by providing the communication control unit adaptive to the direct current charging socket according to the existing national standard, and the wireless charging socket has universality.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a communication control unit according to the present invention, and based on the above embodiments:
as a preferred embodiment, the communication control unit 3 includes:
a single chip microcomputer 30;
the remote control ground 1K resistor 31 is connected with the singlechip 30 at one end and connected with a second charging connection confirmation port CC2 on the direct current charging socket 4 at the other end, and is used for outputting a connection confirmation signal to the remote control of the electric automobile until the wireless charging is finished;
the analog-to-digital converter ADC 32 is connected with the single chip microcomputer 30 at one end and is connected with a first charging connection confirmation port CC1 on the direct current charging socket 4 at the other end, and is used for judging whether the single chip microcomputer 30 is reliably connected with the electric automobile or not through the analog-to-digital converter ADC 32;
a CAN interface 33 with one end connected with the single chip microcomputer 30 and the other end connected with a BMS charging communication CAN interface 33 on the DC charging socket 4, for performing charging data interaction with the BMS;
a remote control output low-voltage auxiliary power supply 34, one end of which is connected with the single chip microcomputer 30 and the other end of which is connected with a low-voltage auxiliary power supply port on the direct-current charging socket 4, for providing an auxiliary power supply for the electric automobile;
and the communication module 35 is connected with the singlechip 30 and is used for the singlechip 30 to communicate with the ground end of the wireless charging system through the communication module.
Specifically, the single chip microcomputer 30 may be implemented by STM32, Freescale or english-flying, or may be implemented by other types of single chip microcomputers, and the present invention is not limited herein.
The remote control ground-to-1K resistor 31 is used for outputting a connection confirmation signal to the remote control of the electric automobile during charging, realizing physical connection in a charging process specified by the national standard, and disconnecting when wireless charging is finished or a wireless charging signal is not used, so that the running of the automobile and the use of a direct current charging port are not influenced.
The ADC 32 is connected with a first charging connection confirmation port CC1 of the electric vehicle, so that the single chip microcomputer 30 is reliably connected with the electric vehicle through the single chip microcomputer 30, and smooth proceeding of subsequent wireless charging is ensured.
The CAN interface 33 is used for the single chip microcomputer 30 to realize communication with the BMS on the electric automobile through the CAN interface 33, and the single chip microcomputer 30 carries out interaction of charging data with the BMS through the CAN interface 33.
Considering that some electric vehicles need to be provided with an auxiliary power supply all the time from the outside, and some electric vehicles need to be provided with an auxiliary power supply from the outside as a wake-up signal to wake up the BMS or VCU of the electric vehicle to enter a working state, the remote control output low-voltage auxiliary power supply 34 is further arranged and used for providing the auxiliary power supply for the electric vehicle so as to complete a physical connection power-on process in a national standard specified charging process, and the output is turned off when the electric vehicle is not used.
The wireless communication is a module for performing data communication between the device and the ground end of the wireless charging system, receives an instruction of the ground end of the wireless charging system, and transmits the state and data of the electric vehicle back to the ground end in real time for the system to process.
In a preferred embodiment, the communication module 35 is a WiFi module and/or a bluetooth module and/or a radio frequency module.
Of course, the communication module 35 may also be other types of communication modules, and the invention is not limited thereto.
As a preferred embodiment, the single chip microcomputer 30 is further configured to automatically enter the sleep state after the wireless charging is not performed within the preset flameout time of the electric vehicle or after the charging of the electric vehicle is completed.
Because the wireless charging device adopts a low-voltage auxiliary power supply of the electric automobile, in order to reduce the power consumption of the battery, the single chip microcomputer 30 automatically enters a dormant state after detecting that the charging is completed or the vehicle is not wirelessly charged within the flameout preset time. The preset time can be set according to actual conditions.
As a preferred embodiment, the communication control unit 3 further includes:
and the awakening device 36 is connected with the electric automobile at one end and the single chip microcomputer 30 at the other end and is used for awakening the single chip microcomputer 30 in a dormant state when the electric automobile is detected to be started.
Specifically, when the wake-up device 36 detects that the electric vehicle is started, the single chip microcomputer 30 is triggered to go out of the sleep state, that is, the single chip microcomputer 30 in the sleep state is awakened, so that the single chip microcomputer 30 can quickly enter the working state.
As a preferred embodiment, the communication control unit 3 further includes:
a current collecting unit 37 having one end connected to the dc power port and the other end connected to the single chip microcomputer 30, for collecting the charging current, converting the charging current into a current signal, and transmitting the current signal to the single chip microcomputer 30; the single chip microcomputer 30 is also used for current limiting protection when current overcurrent is judged according to the current signal;
a voltage acquisition unit 38, one end of which is connected with the dc power port and the other end of which is connected with the single chip 30, for acquiring the charging voltage, converting the charging voltage into a voltage signal and transmitting the voltage signal to the single chip 30; the single chip microcomputer 30 is also used for performing overvoltage protection correspondingly when the voltage overvoltage is judged according to the voltage signal.
In order to improve the safety performance of the wireless charging device, a current collecting unit 37 and a voltage collecting unit 38 are further arranged in the wireless charging device, and when the current is too large or the charging voltage is too high, the single chip microcomputer 30 can perform current or voltage protection by adjusting itself or controlling corresponding modules.
As a preferred embodiment, the communication control unit 3 further includes:
the temperature acquisition unit 39 connected with the single chip microcomputer 30 is used for acquiring the temperature of the wireless charging device, converting the temperature into a temperature signal and sending the temperature signal to the single chip microcomputer 30, and the single chip microcomputer 30 is further used for carrying out over-temperature processing when the temperature is too high according to the temperature signal.
Specifically, the temperature acquisition unit 39 may be a thermistor, and other types of temperature sensors may also be used, and the invention is not particularly limited herein.
As a preferred embodiment, the wireless charging device further includes:
and the high-voltage direct-current relay is arranged at the direct-current power supply port and used for controlling the disconnection of the external wired charging side of the direct-current power supply port when the electric automobile is wirelessly charged.
Because the output of power conversion unit 2 is parallelly connected in the direct current port of charging, when wireless charging device charges, the wired side of charging of outside (the wired plug access direction of charging of outside) of direct current port of charging is the high pressure, because this side is external, danger takes place easily, consequently, this application has still set up high voltage direct current relay, this high voltage direct current relay adopts normally open contact, only when carrying out wireless charging, the wired side of charging of outside of control direct current power supply port breaks off, wireless charging device's security performance has been improved.
As a preferred embodiment, the first existing national standard is GB/T20234.3 and the second existing national standard is GB/T27930.
Of course, in other countries, the first existing national standard and the second existing national standard may be adapted, and the present invention is not limited thereto.
To facilitate understanding of the wireless charging device provided by the present invention, the following describes the operation process of the wireless charging device provided by the present invention:
1. after the device receives a charging instruction of the ground end of the wireless charging system, the remote control output low-voltage auxiliary power supply 34(A +, A-) and the remote control ground 1K resistor 31(CC2) are started;
2. the ADC 32 acquisition port (CC1) judges that the connection between the device and the electric automobile is normal, and confirms that the physical connection is completed;
3. handshaking connection is carried out through a CAN communication interface (S + and S-) according to a charging process and a communication protocol specified in the national standard GB/T27930;
4. after the connection is completed, the device informs the ground wireless charging transmitting terminal to start charging through wireless communication, and closes a high-voltage direct-current relay connected to the direct-current charging socket 4 of the electric automobile, so that the direct-current charging socket 4 of the electric automobile is prevented from having high voltage in the charging process.
5. After the ground end starts charging, the device enters a charging stage according to a charging flow and a communication protocol specified in the national standard GB/T27930, transmits received BMS data and acquired data to the ground end in real time, and stops outputting in time when a fault or full charge occurs, so that equipment is protected.
In conclusion, the invention utilizes the design and development of national standards GB/T27930 and GB/T20234.3 formed by conductive charging, and under the condition that the wireless charging standard of the electric automobile is not available, the invention conveniently realizes the unification of the wireless charging of the electric automobile, and the power of the wireless charging of the electric automobile is not limited.
In addition, after the vehicle-mounted wireless charging device is installed, the function of wired charging through a direct current interface is not affected.
In order to solve the technical problem, the invention further provides an electric vehicle which comprises the wireless charging device.
For the description of the electric vehicle provided by the present invention, please refer to the above embodiments, and the present invention is not repeated herein.
It is to be noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a wireless charging device for electric automobile, its characterized in that includes wireless charging coil, power conversion unit, communication control unit and the existing DC socket that charges in the electric automobile, wherein:
the wireless charging coil is connected with the input end of the power conversion unit, and the output end of the power conversion unit is connected with a direct current power port on the direct current charging socket according to a first existing national standard;
the communication control unit is respectively connected with the power conversion unit and the direct current charging socket, is used for performing charging communication with a Battery Management System (BMS) according to a second existing national standard by utilizing an existing port on the direct current charging socket, and is also used for controlling the power conversion unit to convert the voltage output by the wireless charging coil into direct current voltage required by a battery of the electric automobile;
the communication control unit includes:
a single chip microcomputer;
the remote control ground 1K resistor is connected with the single chip microcomputer at one end and connected with a second charging connection confirmation port CC2 on the direct current charging socket at the other end, and is used for outputting a connection confirmation signal to the remote control of the electric automobile until the wireless charging is finished;
the analog-to-digital converter ADC is connected with the single chip microcomputer at one end and connected with a first charging connection confirmation port CC1 on the direct-current charging socket at the other end, and is used for judging whether the single chip microcomputer is reliably connected with the electric automobile or not through the analog-to-digital converter ADC;
the CAN interface is used for carrying out charging data interaction with the BMS, and one end of the CAN interface is connected with the single chip microcomputer, and the other end of the CAN interface is connected with the BMS charging communication CAN interface on the direct-current charging socket;
the remote control output low-voltage auxiliary power supply is connected with the singlechip at one end and connected with a low-voltage auxiliary power supply port on the direct-current charging socket at the other end and is used for providing an auxiliary power supply for the electric automobile;
and the communication module is connected with the single chip microcomputer and is used for communicating the single chip microcomputer with the ground end of the wireless charging system through the communication module.
2. The wireless charging apparatus of claim 1, wherein the communication module is a WiFi module and/or a bluetooth module and/or a radio frequency module.
3. The wireless charging device of claim 1, wherein the single chip microcomputer is further configured to automatically enter a sleep state after the wireless charging is not performed within a preset flameout time of the electric vehicle or after the charging of the electric vehicle is completed.
4. The wireless charging apparatus according to claim 3, wherein the communication control unit further comprises:
and the awakening device is connected with the electric automobile at one end and the single chip microcomputer at the other end and is used for awakening the single chip microcomputer in a dormant state when the electric automobile is detected to be started.
5. The wireless charging apparatus according to claim 1, wherein the communication control unit further includes:
the current acquisition unit is used for acquiring charging current, converting the charging current into a current signal and transmitting the current signal to the single chip microcomputer; the single chip microcomputer is also used for judging whether the current is over-current according to the current signal so as to carry out current limiting protection;
the voltage acquisition unit is used for acquiring charging voltage, converting the charging voltage into a voltage signal and transmitting the voltage signal to the single chip microcomputer; the single chip microcomputer is also used for correspondingly performing overvoltage protection when the voltage is judged to be overvoltage according to the voltage signal.
6. The wireless charging apparatus according to claim 1, wherein the communication control unit further includes:
the temperature acquisition unit is connected with the single chip microcomputer and used for acquiring the temperature of the wireless charging device and converting the temperature into a temperature signal to be sent to the single chip microcomputer, and the single chip microcomputer is further used for carrying out over-temperature processing when the temperature is too high according to the temperature signal.
7. The wireless charging apparatus of any of claims 1-6, wherein the wireless charging apparatus further comprises:
and the high-voltage direct-current relay is arranged at the direct-current power supply port and used for controlling the disconnection of the external wired charging side of the direct-current power supply port when the electric automobile is wirelessly charged.
8. The wireless charging apparatus of claim 7, wherein the first existing national standard is GB/T20234.3 and the second existing national standard is GB/T27930.
9. An electric vehicle comprising the wireless charging apparatus according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710419394.8A CN108284754B (en) | 2017-06-06 | 2017-06-06 | Wireless charging device for electric automobile and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710419394.8A CN108284754B (en) | 2017-06-06 | 2017-06-06 | Wireless charging device for electric automobile and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108284754A CN108284754A (en) | 2018-07-17 |
| CN108284754B true CN108284754B (en) | 2020-03-10 |
Family
ID=62831411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710419394.8A Active CN108284754B (en) | 2017-06-06 | 2017-06-06 | Wireless charging device for electric automobile and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108284754B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149688B (en) * | 2018-08-22 | 2022-02-22 | 深圳市信维通信股份有限公司 | Wireless charging standby detection method and wireless charging terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996032768A1 (en) * | 1995-04-10 | 1996-10-17 | Norvik Traction Inc. | Traction battery charging with inductive coupling |
| CN204340719U (en) * | 2014-11-20 | 2015-05-20 | 北汽福田汽车股份有限公司 | The fast charge communication system of electronlmobil, vehicle-mounted charging device and electronlmobil |
| CN205407344U (en) * | 2016-03-07 | 2016-07-27 | 武汉中楚珞珈科技有限公司 | Agreement self -adaptation electric automobile direct current fills electric pile system |
| CN106208270A (en) * | 2016-09-12 | 2016-12-07 | 厦门金龙旅行车有限公司 | The wireless charging system of a kind of electric motor car and control method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205790768U (en) * | 2016-07-19 | 2016-12-07 | 莆田学院 | A kind of intelligent electric motor car wireless charging socket |
| CN106240389A (en) * | 2016-08-03 | 2016-12-21 | 天津市松正电动汽车技术股份有限公司 | A kind of electric motor car wireless charging connects confirmation system |
-
2017
- 2017-06-06 CN CN201710419394.8A patent/CN108284754B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996032768A1 (en) * | 1995-04-10 | 1996-10-17 | Norvik Traction Inc. | Traction battery charging with inductive coupling |
| CN204340719U (en) * | 2014-11-20 | 2015-05-20 | 北汽福田汽车股份有限公司 | The fast charge communication system of electronlmobil, vehicle-mounted charging device and electronlmobil |
| CN205407344U (en) * | 2016-03-07 | 2016-07-27 | 武汉中楚珞珈科技有限公司 | Agreement self -adaptation electric automobile direct current fills electric pile system |
| CN106208270A (en) * | 2016-09-12 | 2016-12-07 | 厦门金龙旅行车有限公司 | The wireless charging system of a kind of electric motor car and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108284754A (en) | 2018-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9573476B2 (en) | Method and apparatus for controller wakeup using control pilot signal from charge port | |
| JP3179820U (en) | Intelligent control outlet system | |
| CN206983843U (en) | A kind of mobile phone of onboard wireless charger forgets system for prompting | |
| WO2018137318A1 (en) | Charging device, system and method of electric vehicle | |
| CN210363462U (en) | High-reliability multi-input awakening control circuit of battery management system | |
| CN104158256B (en) | A kind of system of electric automobile managing electric quantity and coupling charging station | |
| CN104868568A (en) | Mobile phone-controlled electric vehicle charger | |
| WO2015153785A1 (en) | Home charging and power backup unit | |
| CN111025160A (en) | Battery management system and method based on wireless communication | |
| CN105762898A (en) | Intelligent mobile phone charger | |
| CN105610011A (en) | Intelligent energy-saving socket and method controlled through bluetooth of terminal equipment | |
| KR20230022914A (en) | Electronic vehicle charging control apparatus and method | |
| CN108284754B (en) | Wireless charging device for electric automobile and electric automobile | |
| CN104574582A (en) | Intelligent parking lot barrier management system and method | |
| WO2017031887A1 (en) | Intelligent movable electric vehicle charging device and charging method | |
| CN206336147U (en) | Charging device | |
| CN112440816B (en) | Battery management system and electric automobile | |
| CN205429836U (en) | Intelligence low pressure auxiliary power unit and on -vehicle machine that charges of non - | |
| CN111509813A (en) | Safe charging device and system for battery of electric vehicle | |
| CN209320757U (en) | A kind of low-power consumption monitoring system and vehicle | |
| CN207559651U (en) | A kind of mobile phone for vehicle wireless charging system | |
| CN210062719U (en) | Electric vehicle charging monitoring system based on ZigBee network | |
| CN210912092U (en) | Integrated battery control system and vehicle management system | |
| CN202685979U (en) | Storage battery intelligent control system | |
| CN104071095A (en) | Intelligent management device and method of automotive static power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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. |