CN106985671A - A kind of vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device - Google Patents
A kind of vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device Download PDFInfo
- Publication number
- CN106985671A CN106985671A CN201710400307.4A CN201710400307A CN106985671A CN 106985671 A CN106985671 A CN 106985671A CN 201710400307 A CN201710400307 A CN 201710400307A CN 106985671 A CN106985671 A CN 106985671A
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- China
- Prior art keywords
- vehicle
- mounted bidirectional
- bidirectional charger
- charger
- trickle charge
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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
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/006—Supplying electric power to auxiliary equipment of vehicles to power outlets
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- 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
-
- 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
- B60L53/20—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 converters located in the vehicle
-
- 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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
-
- 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
Abstract
The invention provides one kind, vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device, the vehicle-mounted bidirectional power supply method, applied to vehicle-mounted bidirectional charger, including：The first voltage value detected at the cover plate interface position for being received from trickle charge mouthful；If the first voltage value is the first preset voltage value, determine that the Vehicular charger current operation mode of itself is inverter mode, the electrokinetic cell being connected with vehicle-mounted bidirectional charger is powered by the vehicle-mounted bidirectional charger itself pair electrical socket being connected with the vehicle-mounted bidirectional charger；The second voltage value detected at the cover plate interface position for being received from the trickle charge mouthful；If the second voltage value is the second preset voltage value, the vehicle-mounted bidirectional charger in inverter mode itself is switched into closed mode.By the present invention, it is not connected with having charging gun or electric discharge rifle in trickle charge mouthful, and during in open mode, can prevents trickle charge mouthful position from going out electrification in high voltage, personnel is caused to accidentally injure.
Description
Technical field
The present invention relates to automobile charging field, especially a kind of vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and dress
Put.
Background technology
The trickle charge mouthful of electric automobile is used to be powered or be powered to outside automobile with the electrokinetic cell to automobile,
When being powered to outside automobile, need to transmit the larger electricity of magnitude of voltage at trickle charge mouthful position, if trickle charge mouthful is not being needed
Opened by mistake when being powered, electrokinetic cell can be also powered to trickle charge mouthful, be easily caused the electric shock of personnel's high pressure.
The content of the invention
The technical problem to be solved of the embodiment of the present invention is to provide a kind of vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method
And device, to realize when trickle charge mouth is opened by mistake, prevent trickle charge mouthful is powered from causing personal injury.
In order to solve the above technical problems, vehicle-mounted bidirectional power supply method provided in an embodiment of the present invention, applied to vehicle-mounted two-way
Charger, including：
The first voltage value detected at the cover plate interface position for being received from trickle charge mouthful；
If the first voltage value is the first preset voltage value, the Vehicular charger current operation mode of itself is determined
For inverter mode, make the electrokinetic cell that is connected with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself pair with it is described
The electrical socket of vehicle-mounted bidirectional charger connection is powered；
The second voltage value detected at the cover plate interface position for being received from the trickle charge mouthful；
If the second voltage value is the second preset voltage value, by the vehicle-mounted bidirectional charger in inverter mode itself
Switch to closed mode.
Preferably, the vehicle-mounted bidirectional power supply method also includes：
If the first voltage value is the second preset voltage value, it is received from the resistance detection interface position of trickle charge mouthful and examines
The resistance value measured；
When the resistance value is the first predetermined resistance value, the current operation mode for determining the vehicle-mounted bidirectional charger is
Inverter mode, makes the electrokinetic cell being connected with vehicle-mounted bidirectional charger pass through the vehicle-mounted bidirectional charger itself pair and the car
The electrical socket for carrying bidirectional charger connection is powered, and right by the vehicle-mounted bidirectional charger itself and the trickle charge mouthful
The external communication load being connected with trickle charge mouth is powered.
Preferably, the vehicle-mounted bidirectional power supply method also includes：
When the resistance value is the second predetermined resistance value, then judge whether to receive electric discharge instruction；
When receiving the electric discharge instruction, the current operation mode for determining the vehicle-mounted bidirectional charger is inversion mould
Formula, make the electrokinetic cell that is connected with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself pair with it is described vehicle-mounted two-way
Charger connection electrical socket be powered, and by the vehicle-mounted bidirectional charger itself and the trickle charge mouth pair with it is described
The automobile to be charged of trickle charge mouthful connection is powered；
When not receiving the electric discharge instruction, it is charging mould to determine the vehicle-mounted bidirectional charger mode of operation of itself
Formula, makes the charging pile being connected with trickle charge mouth be carried out by the trickle charge mouthful pair electrical socket being connected with the vehicle-mounted bidirectional charger
Power supply, and moved by the trickle charge mouthful and the vehicle-mounted bidirectional charger itself to being connected with the vehicle-mounted bidirectional charger
Power battery is powered.
Preferably, when receiving the electric discharge instruction, the current operation mode for determining the vehicle-mounted bidirectional charger is
The step of inverter mode, including：
From described slow when receiving the first control guidance circuit being connected with the vehicle-mounted bidirectional charger in first state
When filling the third voltage value controlled at guiding interface position of mouth, and the first control guidance circuit in the second state certainly
The 4th magnitude of voltage detected at the control guiding interface position of the trickle charge mouthful；
The third voltage value be the 3rd preset voltage value, and the 4th magnitude of voltage be four preset voltage values when,
The current operation mode for determining the vehicle-mounted bidirectional charger is charge mode；
Wherein, the first control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
Preferably, when not receiving the electric discharge instruction, the vehicle-mounted bidirectional charger mode of operation of itself is determined
The step of for charge mode, including：
When receiving second be connected with the vehicle-mounted bidirectional charger and controlling guidance circuit in first state, when default
Between in section from the 5th magnitude of voltage at the control guiding interface position of the trickle charge mouthful；
5th magnitude of voltage described in the first moment in the preset time period is the 5th preset voltage value, and described pre-
If the 5th magnitude of voltage described in the second moment in the period is six preset voltage value, it is determined that the vehicle-mounted bidirectional charger
Current operation mode be inverter mode；
Wherein, the second control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
Preferably, the vehicle-mounted bidirectional power supply method also includes：
Receive the current value for the current sensor being arranged between the vehicle-mounted bidirectional charger and the electrical socket；
According to the current value, the vehicle-mounted bidirectional charger in charge mode or inverter mode itself carry out state is cut
Change.
Preferably, it is described according to the current value, to the vehicle-mounted bidirectional charger in charge mode or inverter mode from
The step of body carries out state switching, including：
Judge whether the current value is more than pre-set current value；
When the current value is more than pre-set current value, to the vehicle-mounted bidirectional charger in charge mode or inverter mode
Itself switches to closed mode.
Preferably, when the current value is more than pre-set current value, the vehicle-mounted bidirectional power supply method also includes：
Excessively stream fault message is sent to the instrument being connected with the vehicle-mounted bidirectional charger self by CAN.
According to another aspect of the present invention, the embodiment of the present invention additionally provides a kind of vehicle-mounted bidirectional power supply device, is applied to
Vehicle-mounted bidirectional charger, including：
First receiving module, for being received from the first voltage value detected at the cover plate interface position of trickle charge mouthful；
First determining module, if being the first preset voltage value for the first voltage value, determines the Vehicular charger
The current operation mode of itself is inverter mode, passes through the electrokinetic cell being connected with vehicle-mounted bidirectional charger described vehicle-mounted two-way
The electrical socket that charger itself pair is connected with the vehicle-mounted bidirectional charger is powered；
Second receiving module, for being received from the second voltage value detected at the cover plate interface position of the trickle charge mouthful；
First handover module, if being the second preset voltage value for the second voltage value, by inverter mode
Vehicle-mounted bidirectional charger itself switches to closed mode.
Preferably, the vehicle-mounted bidirectional power supply device also includes：
3rd receiving module, if being the second preset voltage value for the first voltage value, is received from the electricity of trickle charge mouthful
The resistance value detected at resistance detection interface position；
Second determining module, for when the resistance value is the first predetermined resistance value, determining the vehicle-mounted two-way charging
The current operation mode of machine is inverter mode, the electrokinetic cell being connected with vehicle-mounted bidirectional charger vehicle-mounted two-way is filled by described
The electrical socket that motor itself pair is connected with the vehicle-mounted bidirectional charger is powered, and passes through the vehicle-mounted bidirectional charger
The external communication load that itself and the trickle charge mouthful pair are connected with trickle charge mouth is powered.
Preferably, the vehicle-mounted bidirectional power supply device also includes：
Judge module, for when the resistance value is the second predetermined resistance value, then judging whether to receive electric discharge instruction；
3rd determining module, for when receiving the electric discharge instruction, determining the current of the vehicle-mounted bidirectional charger
Mode of operation is inverter mode, the electrokinetic cell being connected with vehicle-mounted bidirectional charger is passed through the vehicle-mounted bidirectional charger itself
Pair electrical socket being connected with the vehicle-mounted bidirectional charger is powered, and passes through the vehicle-mounted bidirectional charger itself and institute
State trickle charge mouthful pair and be powered with the automobile to be charged that trickle charge mouth is connected；
4th determining module, for when not receiving the electric discharge instruction, determining the vehicle-mounted bidirectional charger itself
Mode of operation be charge mode, make to pass through the trickle charge mouthful pair and the vehicle-mounted two-way charging with the charging pile that be connected of trickle charge mouth
The electrical socket of machine connection is powered, and by the trickle charge mouthful and the vehicle-mounted bidirectional charger itself pair with it is described vehicle-mounted
The electrokinetic cell of bidirectional charger connection is powered.
Preferably, the 3rd determining module includes：
First receiving unit, first be connected for receiving with the vehicle-mounted bidirectional charger controls guidance circuit in the
From the third voltage value at the control guiding interface position of the trickle charge mouthful, and the first control guidance circuit during one state
The 4th magnitude of voltage detected during in the second state from the control guiding interface position of the trickle charge mouthful；
First determining unit, for being the 3rd preset voltage value in the third voltage value, and the 4th magnitude of voltage is
During four preset voltage values, it is determined that the current operation mode of the vehicle-mounted bidirectional charger is charge mode；
Wherein, the first control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
Preferably, vehicle-mounted 4th determining module includes：
Second receiving unit, second be connected for receiving with the vehicle-mounted bidirectional charger controls guidance circuit in the
During one state, from the 5th magnitude of voltage at the control guiding interface position of the trickle charge mouthful in preset time period；
Second determining unit, is the 5th default for the 5th magnitude of voltage described in the first moment in the preset time period
Magnitude of voltage, and when the 5th magnitude of voltage is six preset voltage value described in the second moment in the preset time period, it is determined that
The current operation mode of the vehicle-mounted bidirectional charger is inverter mode；
Wherein, the second control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
Preferably, the vehicle-mounted bidirectional power supply device also includes：
4th receiving module, the electric current being arranged at for receiving between the vehicle-mounted bidirectional charger and the electrical socket is passed
The current value of sensor；
Second handover module, for according to the current value, two-way fills to vehicle-mounted in charge mode or inverter mode
Motor itself carries out state switching.
Preferably, second handover module includes：
Judging unit, for judging whether the current value is more than pre-set current value；
Switch unit, for when the current value is more than pre-set current value, in charge mode or inverter mode
Vehicle-mounted bidirectional charger itself switches to closed mode.
Preferably, when the current value is more than pre-set current value, the vehicle-mounted bidirectional power supply device also includes：
Sending module, for sending excessively stream to the instrument being connected with the vehicle-mounted bidirectional charger self by CAN
Fault message.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provides a kind of vehicle-mounted bidirectional charger, bag
Include above-mentioned vehicle-mounted bidirectional power supply device.
Compared with prior art, vehicle-mounted bidirectional charger provided in an embodiment of the present invention, vehicle-mounted bidirectional power supply method and dress
Put, at least have the advantages that：
Because the magnitude of voltage of the electricity transmitted at trickle charge mouthful position is higher, by provided in an embodiment of the present invention vehicle-mounted two-way
Method of supplying power to, is not connected with having charging gun or electric discharge rifle in trickle charge mouthful, and during in open mode, can prevent trickle charge mouthful position
Go out electrification in high voltage, personnel are caused to accidentally injure.
Brief description of the drawings
Fig. 1 is one of structural representation of vehicle-mounted bidirectional power supply method described in the embodiment of the present invention；
Fig. 2 is the two of the structural representation of the vehicle-mounted bidirectional power supply method described in the embodiment of the present invention；
Fig. 3 is the structural representation of the vehicle-mounted bidirectional power supply device described in the embodiment of the present invention；
Fig. 4 is the structural representation of the vehicle-mounted bidirectional charger described in the embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.It is only there is provided the specific detail of such as specific configuration and component in the following description
In order to help comprehensive understanding embodiments of the invention.Therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, eliminate pair
The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text means relevant with embodiment
During special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in entire disclosure
" in one embodiment " or " in one embodiment " identical embodiment is not necessarily referred to.In addition, these specific feature, knots
Structure or characteristic can be combined in one or more embodiments in any suitable manner.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability.
Reference picture 1, the embodiments of the invention provide a kind of vehicle-mounted bidirectional power supply method, applied to vehicle-mounted bidirectional charger,
Including：
Step 1, the first voltage value detected at the cover plate interface position for being received from trickle charge mouthful；
Step 2, if the first voltage value is the first preset voltage value, the current work of the Vehicular charger itself is determined
Operation mode is inverter mode, makes the electrokinetic cell being connected with vehicle-mounted bidirectional charger right by the vehicle-mounted bidirectional charger itself
The electrical socket being connected with the vehicle-mounted bidirectional charger is powered；
Step 3, the second voltage value detected at the cover plate interface position for being received from the trickle charge mouthful；
Step 4, if the second voltage value is the second preset voltage value, by the vehicle-mounted two-way charging in inverter mode
Machine itself switches to closed mode.
The magnitude of voltage detected from the cover plate interface position of trickle charge mouthful is used to judge whether trickle charge mouthful opens, in trickle charge mouthful
During in open mode, it is arranged on the intraoral switch of trickle charge and is in closure state；When trickle charge mouth is closed, it is arranged on
The intraoral switch of trickle charge is off；It is that the first preset voltage value corresponds to trickle charge mouthful in open shape in first voltage value
State, second voltage value is that the second preset voltage value is closed corresponding to trickle charge mouthful.
After first voltage value is the first preset voltage value, the mode of operation for determining vehicle-mounted bidirectional charger itself is inversion
After pattern, vehicle-mounted bidirectional charger carries out inversion processing by the electricity transmitted to electrokinetic cell, and electrical socket is entered with realizing
Row power supply.
Because the magnitude of voltage of the electricity transmitted at trickle charge mouthful position is higher, by provided in an embodiment of the present invention vehicle-mounted two-way
Method of supplying power to, is not connected with having charging gun or electric discharge rifle in trickle charge mouthful, and during in open mode, can prevent trickle charge mouthful position
Go out electrification in high voltage, personnel are caused to accidentally injure.
Reference picture 2, it is preferable that in embodiments of the present invention, the vehicle-mounted bidirectional power supply method also includes：
Step 5, if the first voltage value is the second preset voltage value, it is received from the resistance detection interface position of trickle charge mouthful
The resistance value that the place of putting is detected；
Step 6, when the resistance value is the first predetermined resistance value, the work at present of the vehicle-mounted bidirectional charger is determined
Pattern is inverter mode, make the electrokinetic cell that is connected with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself pair with
The electrical socket of vehicle-mounted bidirectional charger connection is powered, and passes through the vehicle-mounted bidirectional charger itself and described slow
Fill the external communication that mouth pair and the trickle charge mouth be connected and load and be powered.
First resistor value is 2000 Ω, 1000 Ω or 470 Ω, if first voltage value is the second preset voltage value, it is determined that
Opening is in for trickle charge mouthful, is that the first predetermined resistance value determines the part being connected with trickle charge mouth by resistance value now
When being loaded for external communication, direct current that vehicle-mounted bidirectional charger is transmitted to electrokinetic cell carry out after inversion processing to electrical socket and
External communication load is powered.
Reference picture 2, it is preferable that in embodiments of the present invention, the vehicle-mounted bidirectional power supply method also includes：
Step 7, when the resistance value is the second predetermined resistance value, then judge whether to receive electric discharge instruction；
Step 8, when receiving the electric discharge instruction, the current operation mode for determining the vehicle-mounted bidirectional charger is inverse
Change pattern, make the electrokinetic cell that is connected with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself pair with it is described vehicle-mounted
The electrical socket of bidirectional charger connection is powered, and by the vehicle-mounted bidirectional charger itself and the trickle charge mouthful pair and
The automobile to be charged of the trickle charge mouthful connection is powered；
Step 9, when not receiving the electric discharge instruction, determine that the vehicle-mounted bidirectional charger mode of operation of itself is
Charge mode, makes the charging pile being connected with trickle charge mouth pass through the trickle charge mouthful pair electric mortiser being connected with the vehicle-mounted bidirectional charger
Seat is powered, and is connected by the trickle charge mouthful and the vehicle-mounted bidirectional charger itself pair with the vehicle-mounted bidirectional charger
The electrokinetic cell connect is powered.
Second resistance value is 680 Ω, 220 Ω or 100 Ω, when resistance value is the second predetermined resistance value, shows trickle charge
Mouth is attached with charging pile or automobile to be charged, now, determines to be connected with trickle charge mouthful by the confirmation to electric discharge instruction
Physical unit be which kind of part.Electric discharge instruction is the instruction artificially inputted, and it is used for the finger externally discharged as electrokinetic cell
Order, when receiving electric discharge instruction, that is, represents that with the part that trickle charge mouth is connected be automobile to be charged, if in a preset time period
It is inside to receive electric discharge instruction, then it is charging pile that vehicle-mounted bidirectional charger, which is defaulted as with the part that trickle charge mouth is connected,.
In step 8, when vehicle-mounted bidirectional charger is in inverter mode, it is expressed as trickle charge mouthful and connects with automobile to be charged
Connect, now, direct current that vehicle-mounted bidirectional charger is sent to electrokinetic cell be transmitted to after inversion processing automobile to be charged and
Electrical socket.
In step 9, when vehicle-mounted bidirectional charger is in charge mode, it is expressed as trickle charge mouthful and is connected with charging pile, this
When, the alternating current that vehicle-mounted bidirectional charger is sent to charging pile is transmitted to electrokinetic cell after carrying out rectification processing, meanwhile, trickle charge mouthful
Alternating current directly is transmitted into electrical socket to be powered.
Preferably, in embodiments of the present invention, step 8 includes：
Step 81, when receiving the first control guidance circuit being connected with the vehicle-mounted bidirectional charger in first state certainly
Third voltage value at the control guiding interface position of the trickle charge mouthful, and the first control guidance circuit are in the second shape
The 4th magnitude of voltage detected during state from the control guiding interface position of the trickle charge mouthful；
Step 82, it is the 3rd preset voltage value in the third voltage value, and the 4th magnitude of voltage is the 4th default electricity
During pressure value, the current operation mode for determining the vehicle-mounted bidirectional charger is charge mode；
Wherein, the first control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
First control guidance circuit includes：Diode D, first resistor R1, second resistance R2, first switch S1, first opens
Connect with closing S1 first end and the vehicle body of vehicle-mounted bidirectional charger, the second end is connected with second resistance R2, second resistance R2's
The other end is connected with diode D, and first resistor R1 first end is connected with diode D, and the second end connects the vehicle-mounted two-way charging
The vehicle body of machine, first resistor R1 is in parallel with second resistance R2, and the diode D other end is connected with control guiding interface, the
One switch S1 is connected with vehicle-mounted bidirectional charger.Control guidance circuit refers to that vehicle-mounted bidirectional charger is controlled in first state
First switch S1 is off, and second resistance R2 does not access the state of circuit；Control guidance circuit is in the second state
Refer to vehicle-mounted bidirectional charger control first switch S1 and be in closure state, second resistance R2 accesses the state of circuit.
In order to ensure to treat the safety in Rechargeable vehicle charging process, it is necessary to determining trickle charge mouthful, electric discharge rifle and waiting to fill
After being fully connected between three parts of electric car, vehicle-mounted bidirectional charger itself could be in charge mode, then to power electric
The direct current of pond transmission carries out rectification processing.
The third voltage value be the 3rd preset voltage value, and the 4th magnitude of voltage be four preset voltage values when,
Show to be fully connected between trickle charge mouthful, charging gun and charging pile three.
Preferably, in embodiments of the present invention, step 9 includes：
Step 91, when receiving the second control guidance circuit being connected with the vehicle-mounted bidirectional charger in first state,
From the 5th magnitude of voltage at the control guiding interface position of the trickle charge mouthful in preset time period；
Step 92, the 5th magnitude of voltage described in the first moment in the preset time period is the 5th preset voltage value, and
When 5th magnitude of voltage described in the second moment in the preset time period is six preset voltage value, it is determined that described vehicle-mounted double
It is inverter mode to the current operation mode of charger；
Wherein, the second control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
Second control guidance circuit includes：3rd resistor R3, second switch S2,3rd resistor R3 first end and the control
Interface connection is guided, the second end is connected with second switch S2, and second switch S2 is connected with controller, second switch S2 is that hilted broadsword is double
Throw switch, is connected for the 12V low tension batterys or pulse-modulator PWM with automotive interior.At second control guidance circuit
Refer in first state, after electric discharge instruction is received, the shape that vehicle-mounted bidirectional charger control second switch S2 is connected with PWM
State.
In embodiments of the present invention, the 5th preset voltage value is 9VPWM, and the 6th preset voltage value is 6VPWM.First moment
For the initial time in preset time period, the second moment was the cut-off time in preset time period.If in the preset time period,
The voltage detected at control guiding interface position is not changed to the 6th preset voltage value from the 5th preset voltage value, then can not
Determine that vehicle-mounted bidirectional charger itself is in inverter mode.
Reference picture 2, it is preferable that in embodiments of the present invention, the vehicle-mounted bidirectional power supply method also includes：
Step 10, the electric current for the current sensor being arranged between the vehicle-mounted bidirectional charger and the electrical socket is received
Value；
Step 11, according to the current value, the vehicle-mounted bidirectional charger in charge mode or inverter mode itself is entered
Row state switches.
In embodiments of the present invention, the setting of step 8 and step 9 is to be used to detect whether circuit occurs in charging process
Failure, it is ensured that charging safety.
Preferably, in embodiments of the present invention, step 11 includes：
Step 111, judge whether the current value is more than pre-set current value；
Step 112, when the current value is more than pre-set current value, to vehicle-mounted pair in charge mode or inverter mode
Closed mode is switched to charger itself.
When the current value is less than or equal to the pre-set current value, to vehicle-mounted in charge mode or inverter mode
Bidirectional charger itself is kept continuously in a closed state it without control, and persistently load is powered.
Preferably, when the current value is more than pre-set current value, the vehicle-mounted bidirectional power supply method also includes：
Step 12, over current fault letter is sent to the instrument being connected with the vehicle-mounted bidirectional charger self by CAN
Breath.
When current value is less than or equal to the pre-set current value, now, the actual current that current sensor is detected
Value is transferred to instrument and shown.
, can be in trickle charge mouthful trickle charge mouthful in unlatching shape by vehicle-mounted bidirectional power supply method provided in an embodiment of the present invention
State, and during not connected external loading, by the way that the current operation mode of vehicle-mounted bidirectional charger itself is closed, reach realization
Prevent trickle charge mouthful electrification in high voltage, it is to avoid the effect of accidental injury.
Reference picture 3, according to another aspect of the present invention, the embodiment of the present invention additionally provide a kind of vehicle-mounted bidirectional power supply dress
Put, applied to vehicle-mounted bidirectional charger, including：
First receiving module 1, for being received from the first voltage value detected at the cover plate interface position of trickle charge mouthful；
First determining module 2, if being the first preset voltage value for the first voltage value, determines the Vehicular charger
The current operation mode of itself is inverter mode, passes through the electrokinetic cell being connected with vehicle-mounted bidirectional charger described vehicle-mounted two-way
The electrical socket that charger itself pair is connected with the vehicle-mounted bidirectional charger is powered；
Second receiving module 3, for being received from the second voltage value detected at the cover plate interface position of the trickle charge mouthful；
First handover module 4, if being the second preset voltage value for the second voltage value, by inverter mode
Vehicle-mounted bidirectional charger itself switches to closed mode.
Preferably, the vehicle-mounted bidirectional power supply device also includes：
3rd receiving module, if being the second preset voltage value for the first voltage value, is received from the electricity of trickle charge mouthful
The resistance value detected at resistance detection interface position；
Second determining module, for when the resistance value is the first predetermined resistance value, determining the vehicle-mounted two-way charging
The current operation mode of machine is inverter mode, the electrokinetic cell being connected with vehicle-mounted bidirectional charger vehicle-mounted two-way is filled by described
The electrical socket that motor itself pair is connected with the vehicle-mounted bidirectional charger is powered, and passes through the vehicle-mounted bidirectional charger
The external communication load that itself and the trickle charge mouthful pair are connected with trickle charge mouth is powered.
Preferably, the vehicle-mounted bidirectional power supply device also includes：
Judge module, for when the resistance value is the second predetermined resistance value, then judging whether to receive electric discharge instruction；
3rd determining module, for when receiving the electric discharge instruction, determining the current of the vehicle-mounted bidirectional charger
Mode of operation is inverter mode, the electrokinetic cell being connected with vehicle-mounted bidirectional charger is passed through the vehicle-mounted bidirectional charger itself
Pair electrical socket being connected with the vehicle-mounted bidirectional charger is powered, and passes through the vehicle-mounted bidirectional charger itself and institute
State trickle charge mouthful pair and be powered with the automobile to be charged that trickle charge mouth is connected；
4th determining module, for when not receiving the electric discharge instruction, determining the vehicle-mounted bidirectional charger itself
Mode of operation be charge mode, make to pass through the trickle charge mouthful pair and the vehicle-mounted two-way charging with the charging pile that be connected of trickle charge mouth
The electrical socket of machine connection is powered, and by the trickle charge mouthful and the vehicle-mounted bidirectional charger itself pair with it is described vehicle-mounted
The electrokinetic cell of bidirectional charger connection is powered.
Preferably, the 3rd determining module includes：
First receiving unit, first be connected for receiving with the vehicle-mounted bidirectional charger controls guidance circuit in the
From the third voltage value at the control guiding interface position of the trickle charge mouthful, and the first control guidance circuit during one state
The 4th magnitude of voltage detected during in the second state from the control guiding interface position of the trickle charge mouthful；
First determining unit, for being the 3rd preset voltage value in the third voltage value, and the 4th magnitude of voltage is
During four preset voltage values, it is determined that the current operation mode of the vehicle-mounted bidirectional charger is charge mode；
Wherein, the first control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
Preferably, vehicle-mounted 4th determining module includes：
Second receiving unit, second be connected for receiving with the vehicle-mounted bidirectional charger controls guidance circuit in the
During one state, from the 5th magnitude of voltage at the control guiding interface position of the trickle charge mouthful in preset time period；
Second determining unit, is the 5th default for the 5th magnitude of voltage described in the first moment in the preset time period
Magnitude of voltage, and when the 5th magnitude of voltage is six preset voltage value described in the second moment in the preset time period, it is determined that
The current operation mode of the vehicle-mounted bidirectional charger is inverter mode；
Wherein, the second control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
Preferably, the vehicle-mounted bidirectional power supply device also includes：
4th receiving module, the electric current being arranged at for receiving between the vehicle-mounted bidirectional charger and the electrical socket is passed
The current value of sensor；
Second handover module, for according to the current value, two-way fills to vehicle-mounted in charge mode or inverter mode
Motor itself carries out state switching.
Preferably, second handover module includes：
Judging unit, for judging whether the current value is more than pre-set current value；
Switch unit, for when the current value is more than pre-set current value, in charge mode or inverter mode
Vehicle-mounted bidirectional charger itself switches to closed mode.
Preferably, when the current value is more than pre-set current value, the vehicle-mounted bidirectional power supply device also includes：
Sending module, for sending excessively stream to the instrument being connected with the vehicle-mounted bidirectional charger self by CAN
Fault message.
Vehicle-mounted bidirectional power supply device provided in an embodiment of the present invention, in being device corresponding with the above method, the above method
All implementations suitable for the embodiment of the device, can also reach identical technique effect.Pass through present invention implementation
The vehicle-mounted bidirectional power supply method that example is provided, is not connected with having charging gun or electric discharge rifle in trickle charge mouthful, and during in open mode, energy
Enough prevent trickle charge mouthful position from going out electrification in high voltage, personnel are caused to accidentally injure.
Another aspect according to embodiments of the present invention, the embodiment of the present invention additionally provides a kind of vehicle-mounted bidirectional charger, bag
Include above-mentioned vehicle-mounted bidirectional power supply device.
Vehicle-mounted bidirectional charger in reference picture 4, the present invention includes：Controller, the two-way AC/ being connected respectively with controller
DC modules and two-way DC/AC modules, wherein, two-way AC/DC modules and the connection of two-way DC/AC modules；Above-mentioned vehicle-mounted two-way confession
Electric installation is integrated in controller.When vehicle-mounted bidirectional charger itself is in charge mode, two-way AC/DC modules are in rectification shape
State, and two-way DC/DC modules are in direct current transition status, the direct current after two-way AC/DC modules rectification passes through two-way
Electrokinetic cell is transferred to after the conversion of DC/DC modules；When vehicle-mounted bidirectional charger itself is in inverter mode, two-way AC/DC modules
In rectification state, and two-way DC/DC modules are in direct current transition status；Direct current after being changed by two-way DC/DC modules
Electricity carries out inversion by two-way AC/DC modules, is transferred to load to be powered.Described above is the preferred embodiment of the present invention,
It should be pointed out that for those skilled in the art, on the premise of principle of the present invention is not departed from, may be used also
To make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (17)
1. a kind of vehicle-mounted bidirectional power supply method, applied to vehicle-mounted bidirectional charger, it is characterised in that including：
The first voltage value detected at the cover plate interface position for being received from trickle charge mouthful；
If the first voltage value is the first preset voltage value, it is inverse to determine the Vehicular charger current operation mode of itself
Change pattern, make the electrokinetic cell that is connected with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself pair with it is described vehicle-mounted
The electrical socket of bidirectional charger connection is powered；
The second voltage value detected at the cover plate interface position for being received from the trickle charge mouthful；
If the second voltage value is the second preset voltage value, the vehicle-mounted bidirectional charger in inverter mode itself is switched
To closed mode.
2. vehicle-mounted bidirectional power supply method according to claim 1, it is characterised in that the vehicle-mounted bidirectional power supply method is also wrapped
Include：
If the first voltage value is the second preset voltage value, detected at the resistance detection interface position for being received from trickle charge mouthful
Resistance value；
When the resistance value is the first predetermined resistance value, the current operation mode for determining the vehicle-mounted bidirectional charger is inversion
Pattern, makes the electrokinetic cell being connected with vehicle-mounted bidirectional charger pass through the vehicle-mounted bidirectional charger itself pair and described vehicle-mounted pair
The electrical socket connected to charger is powered, and passes through the vehicle-mounted bidirectional charger itself and the trickle charge mouthful pair and institute
The external communication load for stating trickle charge mouthful connection is powered.
3. vehicle-mounted bidirectional power supply method according to claim 2, it is characterised in that the vehicle-mounted bidirectional power supply method is also wrapped
Include：
When the resistance value is the second predetermined resistance value, then judge whether to receive electric discharge instruction；
When receiving the electric discharge instruction, the current operation mode for determining the vehicle-mounted bidirectional charger is inverter mode, is made
The electrokinetic cell being connected with vehicle-mounted bidirectional charger passes through the vehicle-mounted bidirectional charger itself pair and the vehicle-mounted two-way charging
The electrical socket of machine connection is powered, and passes through the vehicle-mounted bidirectional charger itself and the trickle charge mouthful pair and the trickle charge
The automobile to be charged of mouth connection is powered；
When not receiving the electric discharge instruction, it is charge mode to determine the vehicle-mounted bidirectional charger mode of operation of itself,
The charging pile being connected with trickle charge mouth is set to be supplied by the trickle charge mouthful pair electrical socket being connected with the vehicle-mounted bidirectional charger
Electricity, and pass through the trickle charge mouthful and the vehicle-mounted bidirectional charger itself pair power being connected with the vehicle-mounted bidirectional charger
Battery is powered.
4. vehicle-mounted bidirectional power supply method according to claim 3, it is characterised in that when receiving the electric discharge instruction,
The step of current operation mode for determining the vehicle-mounted bidirectional charger is inverter mode, including：
From the trickle charge mouthful when receiving the first control guidance circuit being connected with the vehicle-mounted bidirectional charger in first state
Control guiding interface position at third voltage value, and the first control guidance circuit when being in the second state from described
The 4th magnitude of voltage detected at the control guiding interface position of trickle charge mouthful；
The third voltage value be the 3rd preset voltage value, and the 4th magnitude of voltage be four preset voltage values when, it is determined that
The current operation mode of the vehicle-mounted bidirectional charger is charge mode；
Wherein, the first control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
5. vehicle-mounted bidirectional power supply method according to claim 4, it is characterised in that do not receiving the electric discharge instruction
When, the step of vehicle-mounted bidirectional charger mode of operation of itself is charge mode is determined, including：
When receiving the second control guidance circuit being connected with the vehicle-mounted bidirectional charger in first state, in preset time period
The 5th magnitude of voltage at the interior control guiding interface position from the trickle charge mouthful；
5th magnitude of voltage described in the first moment in the preset time period is the 5th preset voltage value, and when described default
Between the 5th magnitude of voltage described in the second moment in section when being six preset voltage values, it is determined that the vehicle-mounted bidirectional charger is worked as
Preceding mode of operation is inverter mode；
Wherein, the second control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
6. vehicle-mounted bidirectional power supply method according to claim 5, it is characterised in that the vehicle-mounted bidirectional power supply method is also wrapped
Include：
Receive the current value for the current sensor being arranged between the vehicle-mounted bidirectional charger and the electrical socket；
According to the current value, state switching is carried out to the vehicle-mounted bidirectional charger in charge mode or inverter mode itself.
7. vehicle-mounted bidirectional power supply method according to claim 6, it is characterised in that described according to the current value, to place
The step of the vehicle-mounted bidirectional charger itself of charge mode or inverter mode carries out state switching, including：
Judge whether the current value is more than pre-set current value；
When the current value is more than pre-set current value, to the vehicle-mounted bidirectional charger in charge mode or inverter mode itself
Switch to closed mode.
8. vehicle-mounted bidirectional power supply method according to claim 7, it is characterised in that be more than predetermined current in the current value
During value, the vehicle-mounted bidirectional power supply method also includes：
Excessively stream fault message is sent to the instrument being connected with the vehicle-mounted bidirectional charger self by CAN.
9. a kind of vehicle-mounted bidirectional power supply device, applied to vehicle-mounted bidirectional charger, it is characterised in that including：
First receiving module, for being received from the first voltage value detected at the cover plate interface position of trickle charge mouthful；
First determining module, if being the first preset voltage value for the first voltage value, determines the Vehicular charger itself
Current operation mode be inverter mode, the electrokinetic cell being connected with vehicle-mounted bidirectional charger is passed through the vehicle-mounted two-way charging
The electrical socket that machine itself pair is connected with the vehicle-mounted bidirectional charger is powered；
Second receiving module, for being received from the second voltage value detected at the cover plate interface position of the trickle charge mouthful；
First handover module, if being the second preset voltage value for the second voltage value, by the vehicle-mounted of inverter mode
Bidirectional charger itself switches to closed mode.
10. vehicle-mounted bidirectional power supply device according to claim 9, it is characterised in that the vehicle-mounted bidirectional power supply device is also
Including：
3rd receiving module, if being the second preset voltage value for the first voltage value, is received from the resistance inspection of trickle charge mouthful
Survey the resistance value detected at interface position；
Second determining module, for when the resistance value is the first predetermined resistance value, determining the vehicle-mounted bidirectional charger
Current operation mode is inverter mode, the electrokinetic cell being connected with vehicle-mounted bidirectional charger is passed through the vehicle-mounted bidirectional charger
Itself pair electrical socket being connected with the vehicle-mounted bidirectional charger is powered, and passes through the vehicle-mounted bidirectional charger itself
The external communication load being connected with the trickle charge mouthful pair with trickle charge mouth is powered.
11. vehicle-mounted bidirectional power supply device according to claim 10, it is characterised in that the vehicle-mounted bidirectional power supply device is also
Including：
Judge module, for when the resistance value is the second predetermined resistance value, then judging whether to receive electric discharge instruction；
3rd determining module, for when receiving the electric discharge instruction, determining the work at present of the vehicle-mounted bidirectional charger
Pattern is inverter mode, make the electrokinetic cell that is connected with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself pair with
The electrical socket of vehicle-mounted bidirectional charger connection is powered, and passes through the vehicle-mounted bidirectional charger itself and described slow
Fill mouth pair and be powered with the automobile to be charged that trickle charge mouth is connected；
4th determining module, for when not receiving the electric discharge instruction, determining the vehicle-mounted bidirectional charger work of itself
Operation mode is charge mode, makes by the trickle charge mouthful pair with the vehicle-mounted bidirectional charger to connect with the charging pile that trickle charge mouth is connected
The electrical socket connect is powered, and by the trickle charge mouthful and the vehicle-mounted bidirectional charger itself pair with it is described vehicle-mounted two-way
The electrokinetic cell of charger connection is powered.
12. vehicle-mounted bidirectional power supply device according to claim 11, it is characterised in that the 3rd determining module includes：
First receiving unit, the first shape is in for receiving the be connected with the vehicle-mounted bidirectional charger first control guidance circuit
It is in during state from the third voltage value at the control guiding interface position of the trickle charge mouthful, and the first control guidance circuit
The 4th magnitude of voltage detected during the second state from the control guiding interface position of the trickle charge mouthful；
First determining unit, for being the 3rd preset voltage value in the third voltage value, and the 4th magnitude of voltage is the 4th
During preset voltage value, it is determined that the current operation mode of the vehicle-mounted bidirectional charger is charge mode；
Wherein, the first control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
13. vehicle-mounted bidirectional power supply device according to claim 12, it is characterised in that the vehicle-mounted 4th determining module bag
Include：
Second receiving unit, the first shape is in for receiving the be connected with the vehicle-mounted bidirectional charger second control guidance circuit
During state, from the 5th magnitude of voltage at the control guiding interface position of the trickle charge mouthful in preset time period；
Second determining unit, is the 5th predeterminated voltage for the 5th magnitude of voltage described in the first moment in the preset time period
It is worth, and when the 5th magnitude of voltage is six preset voltage value described in the second moment in the preset time period, it is determined that it is described
The current operation mode of vehicle-mounted bidirectional charger is inverter mode；
Wherein, the first control guidance circuit is connected with the control guiding interface of the trickle charge mouthful.
14. vehicle-mounted bidirectional power supply device according to claim 13, it is characterised in that the vehicle-mounted bidirectional power supply device is also
Including：
4th receiving module, for receiving the current sensor being arranged between the vehicle-mounted bidirectional charger and the electrical socket
Current value；
Second handover module, for according to the current value, to the vehicle-mounted bidirectional charger in charge mode or inverter mode
Itself carries out state switching.
15. vehicle-mounted bidirectional power supply device according to claim 14, it is characterised in that second handover module includes：
Judging unit, for judging whether the current value is more than pre-set current value；
Switch unit, for when the current value is more than pre-set current value, to vehicle-mounted in charge mode or inverter mode
Bidirectional charger itself switches to closed mode.
16. vehicle-mounted bidirectional power supply device according to claim 15, it is characterised in that be more than default electricity in the current value
During flow valuve, the vehicle-mounted bidirectional power supply device also includes：
Sending module, for sending over current fault to the instrument being connected with the vehicle-mounted bidirectional charger self by CAN
Information.
17. a kind of vehicle-mounted bidirectional charger, it is characterised in that including the vehicle-mounted two-way confession described in any one of claim 9 to 16
Electric installation.
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| WO2024032746A1 (en) * | 2022-08-12 | 2024-02-15 | 长春捷翼汽车科技股份有限公司 | Charging and discharging control system |
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| CN107757401B (en) * | 2017-09-25 | 2019-11-05 | 北京新能源汽车股份有限公司 | Control method, device and the electric car of vehicle-mounted bidirectional charger operating mode |
| CN108258761A (en) * | 2018-01-26 | 2018-07-06 | 北京新能源汽车股份有限公司 | A kind of charge/discharge control method and electric vehicle |
| CN108258761B (en) * | 2018-01-26 | 2020-07-17 | 北京新能源汽车股份有限公司 | Charging and discharging control method and electric automobile |
| US20210384743A1 (en) * | 2018-02-22 | 2021-12-09 | Volvo Truck Corporation | Multi-voltage charging apparatus |
| US11764574B2 (en) * | 2018-02-22 | 2023-09-19 | Volvo Truck Corporation | Multi-voltage charging apparatus |
| CN109515222A (en) * | 2018-10-30 | 2019-03-26 | 北京新能源汽车股份有限公司 | A kind of charge/discharge control method, device and electric car |
| CN110979047A (en) * | 2019-11-22 | 2020-04-10 | 东软睿驰汽车技术（沈阳）有限公司 | Electric vehicle discharge control method, device and system |
| CN111864839A (en) * | 2020-07-21 | 2020-10-30 | 深圳威迈斯新能源股份有限公司 | Method for detecting input line impedance and current-limiting protection input line by vehicle-mounted charger |
| CN113922470A (en) * | 2021-11-15 | 2022-01-11 | 安徽江淮汽车集团股份有限公司 | External power supply system of electric automobile |
| WO2024032746A1 (en) * | 2022-08-12 | 2024-02-15 | 长春捷翼汽车科技股份有限公司 | Charging and discharging control system |
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