CN106985671B - Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device - Google Patents
Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device Download PDFInfo
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- CN106985671B CN106985671B CN201710400307.4A CN201710400307A CN106985671B CN 106985671 B CN106985671 B CN 106985671B CN 201710400307 A CN201710400307 A CN 201710400307A CN 106985671 B CN106985671 B CN 106985671B
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- bidirectional charger
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 249
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000005611 electricity Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 208000014674 injury Diseases 0.000 abstract description 2
- 208000012260 Accidental injury Diseases 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a vehicle-mounted bidirectional charger, a vehicle-mounted bidirectional power supply method and a device, wherein the vehicle-mounted bidirectional power supply method is applied to the vehicle-mounted bidirectional charger and comprises the following steps: receiving a first voltage value detected at the position of a cover plate interface of a slow charging port; if the first voltage value is a first preset voltage value, determining that the current working mode of the vehicle-mounted bidirectional charger is an inversion mode, and enabling a power battery connected with the vehicle-mounted bidirectional charger to supply power to an electric socket connected with the vehicle-mounted bidirectional charger through the vehicle-mounted bidirectional charger; receiving a second voltage value detected from the cover plate interface position of the slow charging port; and if the second voltage value is a second preset voltage value, switching the vehicle-mounted bidirectional charger in the inversion mode to a closed state. According to the invention, when the slow charging port is not connected with the charging gun or the discharging gun and is in an open state, the situation that the slow charging port is electrified at high voltage to cause accidental injury to personnel can be prevented.
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 dresses
It sets.
Background technique
The trickle charge mouth of electric car is used to be powered with the power battery to automobile or be powered to external automobile,
When being powered to external automobile, need to transmit the biggish electricity of voltage value at trickle charge mouth position, if trickle charge mouth is not needing
It is opened by mistake when being powered, power battery can be also powered to trickle charge mouth, and personnel's high pressure is easy to cause to get an electric shock.
Summary of the invention
Technical problems to be solved of the embodiment of the present invention are to provide a kind of vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method
And device prevents the electrification of trickle charge mouth from causing personal injury to realize when trickle charge mouth is opened by mistake.
In order to solve the above technical problems, vehicle-mounted bidirectional power supply method provided in an embodiment of the present invention, is applied to vehicle-mounted two-way
Charger, comprising:
The first voltage value detected at cover board interface position received from trickle charge mouth；
If the first voltage value is the first preset voltage value, the work at present of the vehicle-mounted bidirectional charger itself is determined
Mode is inverter mode, make the power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to
The electrical socket of the vehicle-mounted bidirectional charger connection is powered；
The second voltage value detected at cover board interface position received from the trickle charge mouth；
If the second voltage value is the second preset voltage value, the vehicle-mounted bidirectional charger itself of inverter mode will be in
Switch to closed state.
Preferably, the vehicle-mounted bidirectional power supply method further include:
If the first voltage value is the second preset voltage value, examined at the resistance detection interface position received from trickle charge mouth
The resistance value measured；
When the resistance value is the first predetermined resistance value, determine that the current operation mode of the vehicle-mounted bidirectional charger is
Inverter mode, make the power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to the vehicle
The electrical socket for carrying bidirectional charger connection is powered, and right by the vehicle-mounted bidirectional charger itself and the trickle charge mouth
The external communication load connecting with the trickle charge mouth is powered.
Preferably, the vehicle-mounted bidirectional power supply method further include:
When the resistance value is the second predetermined resistance value, then judge whether to receive electric discharge instruction；
When receiving electric discharge instruction, determine that the current operation mode of the vehicle-mounted bidirectional charger is inversion mould
Formula, make the power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to it is described vehicle-mounted two-way
The electrical socket of charger connection is powered, and by the vehicle-mounted bidirectional charger itself and the trickle charge mouth to it is described
The automobile to be charged of trickle charge mouth connection is powered；
When not receiving electric discharge instruction, determine the operating mode of the vehicle-mounted bidirectional charger itself for charging mould
Formula carries out the charging pile connecting with trickle charge mouth to the electrical socket connecting with the vehicle-mounted bidirectional charger by the trickle charge mouth
Power supply, and moved by the trickle charge mouth and the vehicle-mounted bidirectional charger itself to the vehicle-mounted bidirectional charger connection
Power battery is powered.
Preferably, when receiving electric discharge instruction, determine that the current operation mode of the vehicle-mounted bidirectional charger is
The step of inverter mode, comprising:
Receive first connect with the vehicle-mounted bidirectional charger control when guidance circuit is in first state from it is described slowly
When the third voltage value and the first control guidance circuit filled at the control guiding interface position of mouth be in the second state oneself
The 4th voltage value detected at the control guiding interface position of the trickle charge mouth；
The third voltage value be third preset voltage value, and the 4th voltage value 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 connect with the control of trickle charge mouth guiding interface.
Preferably, when not receiving electric discharge instruction, the operating mode of the vehicle-mounted bidirectional charger itself is determined
The step of for charge mode, comprising:
When the second control guidance circuit that reception is connect with the vehicle-mounted bidirectional charger is in first state, when default
Between in section from the 5th voltage value at the control guiding interface position of the trickle charge mouth；
5th voltage value described in the first moment in the preset time period is the 5th preset voltage value, and described pre-
If the 5th voltage value 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 connect with the control of trickle charge mouth guiding interface.
Preferably, the vehicle-mounted bidirectional power supply method further include:
Receive the current value for the current sensor being set between the vehicle-mounted bidirectional charger and the electrical socket；
According to the current value, vehicle-mounted bidirectional charger itself the carry out state in charge mode or inverter mode is cut
It changes.
Preferably, described according to the current value, certainly to the vehicle-mounted bidirectional charger in charge mode or inverter mode
Body carries out the step of state switching, comprising:
Judge whether the current value is greater than pre-set current value；
When the current value is greater than pre-set current value, to the vehicle-mounted bidirectional charger in charge mode or inverter mode
Itself switches to closed state.
Preferably, when the current value is greater than pre-set current value, the vehicle-mounted bidirectional power supply method further include:
Overcurrent fault message is sent self by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger.
According to another aspect of the present invention, the embodiment of the invention also provides a kind of vehicle-mounted bidirectional power supply device, it is applied to
Vehicle-mounted bidirectional charger, comprising:
First receiving module, the first voltage value for being detected at the cover board interface position received from trickle charge mouth；
First determining module determines described vehicle-mounted two-way fill if being the first preset voltage value for the first voltage value
The current operation mode of motor itself is inverter mode, passes through the power battery connecting with vehicle-mounted bidirectional charger described vehicle-mounted
Bidirectional charger itself is powered the electrical socket connecting with the vehicle-mounted bidirectional charger；
Second receiving module, the second voltage value for being detected at the cover board interface position received from the trickle charge mouth；
First switching module will be in inverter mode if being the second preset voltage value for the second voltage value
Vehicle-mounted bidirectional charger itself switches to closed state.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Third receiving module, if being the second preset voltage value, the electricity received from trickle charge mouth for the first voltage value
The resistance value detected at resistance detection interface position；
Second determining module, for determining the vehicle-mounted two-way charging when the resistance value is the first predetermined resistance value
The current operation mode of machine is inverter mode, and power battery connect with vehicle-mounted bidirectional charger is made to pass through described vehicle-mounted two-way fill
Motor itself is powered the electrical socket connecting with the vehicle-mounted bidirectional charger, and passes through the vehicle-mounted bidirectional charger
Itself and the trickle charge mouth are powered the external communication load connecting with the trickle charge mouth.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Judgment module receives electric discharge instruction for when the resistance value is the second predetermined resistance value, then judging whether；
Third determining module, for determining the current of the vehicle-mounted bidirectional charger when receiving electric discharge instruction
Operating mode is inverter mode, and the power battery connecting with vehicle-mounted bidirectional charger is made to pass through the vehicle-mounted bidirectional charger itself
The electrical socket connecting with the vehicle-mounted bidirectional charger is powered, and passes through the vehicle-mounted bidirectional charger itself and institute
Trickle charge mouth is stated to be powered the automobile to be charged connecting with the trickle charge mouth；
4th determining module, for determining the vehicle-mounted bidirectional charger itself when not receiving electric discharge instruction
Operating mode be charge mode, make the charging pile being connect with trickle charge mouth by the trickle charge mouth to the vehicle-mounted two-way charging
The electrical socket of machine connection is powered, and by the trickle charge mouth and the vehicle-mounted bidirectional charger itself to it is described vehicle-mounted
The power battery of bidirectional charger connection is powered.
Preferably, the third determining module includes:
First receiving unit is in for receiving the connect with the vehicle-mounted bidirectional charger first control guidance circuit
From the third voltage value of the trickle charge mouth controlled at guiding interface position and the first control guidance circuit when one state
The 4th voltage value detected when in the second state from the control guiding interface position of the trickle charge mouth；
First determination unit, for being third preset voltage value in the third voltage value, and the 4th voltage value is
When 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 connect with the control of trickle charge mouth guiding interface.
Preferably, vehicle-mounted 4th determining module includes:
Second receiving unit is in for receiving the connect with the vehicle-mounted bidirectional charger second control guidance circuit
When one state, within a preset period of time from the 5th voltage value at the control guiding interface position of the trickle charge mouth；
Second determination unit is the 5th default for the 5th voltage value described in the first moment in the preset time period
Voltage value, and the 5th voltage value described in the second moment in the preset time period be six preset voltage values when, it is determined that
The current operation mode of the vehicle-mounted bidirectional charger is inverter mode；
Wherein, the second control guidance circuit is connect with the control of trickle charge mouth guiding interface.
Preferably, the vehicle-mounted bidirectional power supply device further include:
4th receiving module is passed for receiving the electric current being set between the vehicle-mounted bidirectional charger and the electrical socket
The current value of sensor；
Second switching module two-way fills vehicle-mounted in charge mode or inverter mode for according to the current value
Motor itself carries out state switching.
Preferably, second switching module includes:
Judging unit, for judging whether the current value is greater than pre-set current value；
Switch unit, for when the current value is greater than pre-set current value, in charge mode or inverter mode
Vehicle-mounted bidirectional charger itself switches to closed state.
Preferably, when the current value is greater than pre-set current value, the vehicle-mounted bidirectional power supply device further include:
Sending module, for sending overcurrent self by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger
Fault message.
According to another aspect of an embodiment of the present invention, the embodiment of the invention also provides a kind of vehicle-mounted bidirectional charger, packets
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
It sets, at least has the advantages that
Since the voltage value of the electricity transmitted at trickle charge mouth position is higher, what is provided through the embodiment of the present invention is vehicle-mounted two-way
Method of supplying power to is not connected with having charging gun or electric discharge rifle in trickle charge mouth, and in the open state, can prevent trickle charge mouth position
Electrification in high voltage out causes to accidentally injure to personnel.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of vehicle-mounted bidirectional power supply method described in the embodiment of the present invention；
Fig. 2 is the second structural representation of vehicle-mounted bidirectional power supply method described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of vehicle-mounted bidirectional power supply device described in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of vehicle-mounted bidirectional charger described in the embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only
In order to help comprehensive understanding the embodiment of the present invention.It 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, it is omitted 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 mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion.
Referring to Fig.1, the embodiment of the invention provides a kind of vehicle-mounted bidirectional power supply methods, are applied to vehicle-mounted bidirectional charger,
Include:
Step 1, the first voltage value detected at the cover board interface position received from trickle charge mouth；
Step 2, it if the first voltage value is the first preset voltage value, determines and described vehicle-mounted fills working as either-rotation motor itself
Preceding operating mode is inverter mode, and the power battery connecting with vehicle-mounted bidirectional charger is made to pass through the vehicle-mounted bidirectional charger certainly
The electrical socket that body pair is connect with the vehicle-mounted bidirectional charger is powered；
Step 3, the second voltage value detected at the cover board interface position received from the trickle charge mouth；
Step 4, if the second voltage value is the second preset voltage value, the vehicle-mounted two-way charging of inverter mode will be in
Machine itself switches to closed state.
The voltage value detected from the cover board interface position of trickle charge mouth is for judging whether trickle charge mouth is opened, in trickle charge mouth
In the open state, the switch being arranged in trickle charge mouth is in closed state；When trickle charge mouth is in close state, setting exists
Switch in trickle charge mouth is in an off state；Correspond to trickle charge mouth in the first voltage value for the first preset voltage value and is in open shape
State, second voltage value are that the second preset voltage value is in close state corresponding to trickle charge mouth.
After the first voltage value is the first preset voltage value, determine that the operating mode of vehicle-mounted bidirectional charger itself is inversion
After mode, vehicle-mounted bidirectional charger carries out inversion processing by the electricity that transmits to power battery, with realize to electrical socket into
Row power supply.
Since the voltage value of the electricity transmitted at trickle charge mouth position is higher, what is provided through the embodiment of the present invention is vehicle-mounted two-way
Method of supplying power to is not connected with having charging gun or electric discharge rifle in trickle charge mouth, and in the open state, can prevent trickle charge mouth position
Electrification in high voltage out causes to accidentally injure to personnel.
Referring to Fig. 2, it is preferable that in embodiments of the present invention, the vehicle-mounted bidirectional power supply method further include:
Step 5, if the first voltage value is the second preset voltage value, the resistance detection interface position received from trickle charge mouth
The resistance value that the place of setting detects；
Step 6, when the resistance value is the first predetermined resistance value, the work at present of the vehicle-mounted bidirectional charger is determined
Mode is inverter mode, make the power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to
The electrical socket of vehicle-mounted bidirectional charger connection is powered, and passes through the vehicle-mounted bidirectional charger itself and described slow
Mouth is filled to be powered the external communication load connecting with the trickle charge mouth.
First resistor value is 2000 Ω, 1000 Ω or 470 Ω, if the first voltage value is the second preset voltage value, it is determined that
It is in the open state for trickle charge mouth, at this point, being that the first predetermined resistance value determines the component connecting with trickle charge mouth by resistance value
When for external communication load, the direct current that vehicle-mounted bidirectional charger transmit power battery carry out after inversion processing to electrical socket with
External communication load is powered.
Referring to Fig. 2, it is preferable that in embodiments of the present invention, the vehicle-mounted bidirectional power supply method further include:
Step 7, when the resistance value is the second predetermined resistance value, then judge whether to receive electric discharge instruction；
Step 8, when receiving electric discharge instruction, determine that the current operation mode of the vehicle-mounted bidirectional charger is inverse
Change mode, make the power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to 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 mouth to
The automobile to be charged of the trickle charge mouth connection is powered；
Step 9, when not receiving electric discharge instruction, determine that the operating mode of the vehicle-mounted bidirectional charger itself is
Charge mode makes the charging pile connecting with trickle charge mouth by the trickle charge mouth to the electric mortiser connecting with the vehicle-mounted bidirectional charger
Seat is powered, and is connected by the trickle charge mouth and the vehicle-mounted bidirectional charger itself to the vehicle-mounted bidirectional charger
The power battery connect is powered.
Second resistance value is that 680 Ω, 220 Ω or 100 Ω show trickle charge when resistance value is the second predetermined resistance value
Mouth is attached with charging pile or automobile to be charged, at this point, by connecting to determine with trickle charge mouth to the confirmation of electric discharge instruction
Physical unit be which kind of component.Electric discharge instruction is the instruction artificially inputted, is used for the finger externally to discharge as power battery
It enables, when receiving electric discharge instruction, that is, indicates that the component connecting with trickle charge mouth is 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 the component connecting with trickle charge mouth,.
In step 8, it when vehicle-mounted bidirectional charger is in inverter mode, is expressed as trickle charge mouth and automobile to be charged connects
Connect, at this point, the direct current that vehicle-mounted bidirectional charger sends power battery be transmitted to after inversion processing automobile to be charged and
Electrical socket.
In step 9, it when vehicle-mounted bidirectional charger is in charge mode, is expressed as trickle charge mouth and is connect with charging pile, this
When, vehicle-mounted bidirectional charger is transmitted to power battery after carrying out rectification processing to the alternating current that charging pile is sent, meanwhile, trickle charge mouth
Alternating current is directly transmitted to electrical socket to be powered.
Preferably, in embodiments of the present invention, step 8 includes:
Step 81, it receives first connect with the vehicle-mounted bidirectional charger and controls when guidance circuit is in first state oneself
Third voltage value and the first control guidance circuit at the control guiding interface position of the trickle charge mouth are in the second shape
The 4th voltage value detected when state from the control guiding interface position of the trickle charge mouth；
It step 82, is third preset voltage value in the third voltage value, and the 4th voltage value is the 4th default electricity
When pressure value, determine that the current operation mode of the vehicle-mounted bidirectional charger is charge mode；
Wherein, the first control guidance circuit is connect with the control of trickle charge mouth guiding interface.
First control guidance circuit includes: diode D, and first resistor R1, second resistance R2, first switch S1, first opens
It connects with closing the first end of S1 and the vehicle body of vehicle-mounted bidirectional charger, second end is connect with second resistance R2, second resistance R2's
The other end is connect with diode D, and the first end of first resistor R1 is connect with diode D, and 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 other end of diode D is connect with control guiding interface, the
One switch S1 is connect with vehicle-mounted bidirectional charger.Control guidance circuit refers to that vehicle-mounted bidirectional charger is controlled in first state
First switch S1 is in an off state, and second resistance R2 does not access the state of circuit；Control guidance circuit, which is in the second state, is
Refer to that vehicle-mounted bidirectional charger control first switch S1 is in closed state, second resistance R2 accesses the state of circuit.
In order to guarantee to treat the safety in Rechargeable vehicle charging process, it is necessary to determine trickle charge mouth, electric discharge rifle and wait fill
After being fully connected between three components 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 third preset voltage value, and the 4th voltage value be four preset voltage values when,
Show to be fully connected between trickle charge mouth, charging gun and charging pile three.
Preferably, in embodiments of the present invention, step 9 includes:
Step 91, when the second control guidance circuit that reception is connect with the vehicle-mounted bidirectional charger is in first state,
Within a preset period of time from the 5th voltage value at the control guiding interface position of the trickle charge mouth；
Step 92, the 5th voltage value described in the first moment in the preset time period is the 5th preset voltage value, and
When 5th voltage value 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 connect with the control of trickle charge mouth guiding interface.
Second control guidance circuit includes: 3rd resistor R3, second switch S2, the first end of 3rd resistor R3 and the control
Interface connection is guided, second end is connect with second switch S2, and second switch S2 is connect with controller, and second switch S2 is that hilted broadsword is double
Throw switch, for being connect with the 12V low tension battery of automotive interior or pulse-modulator PWM.At second control guidance circuit
Refer in first state, after receiving electric discharge instruction, vehicle-mounted bidirectional charger controls the shape that second switch S2 is connect 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 cannot
Determine that vehicle-mounted bidirectional charger itself is in inverter mode.
Referring to Fig. 2, it is preferable that in embodiments of the present invention, the vehicle-mounted bidirectional power supply method further include:
Step 10, the electric current for the current sensor being set between the vehicle-mounted bidirectional charger and the electrical socket is received
Value；
Step 11, according to the current value, to the vehicle-mounted bidirectional charger itself in charge mode or inverter mode into
The switching of row state.
In embodiments of the present invention, whether the setting of step 8 and step 9 is occurred for detection circuit during the charging process
Failure guarantees charging safety.
Preferably, in embodiments of the present invention, step 11 includes:
Step 111, judge whether the current value is greater than pre-set current value；
Step 112, when the current value is greater than pre-set current value, to vehicle-mounted pair in charge mode or inverter mode
Closed state 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, is persistently powered to load without control.
Preferably, when the current value is greater than pre-set current value, the vehicle-mounted bidirectional power supply method further include:
Step 12, over current fault letter is sent self by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger
Breath.
When current value is less than or equal to the pre-set current value, at this point, the actual current that current sensor is detected
Value is transferred to instrument and is shown.
The vehicle-mounted bidirectional power supply method provided through the embodiment of the present invention can be in opening state in trickle charge mouth trickle charge mouth
State, and when not connected external loading, by closing the current operation mode of vehicle-mounted bidirectional charger itself, reach realization
Trickle charge mouth electrification in high voltage is prevented, the effect accidentally injured is avoided.
Referring to Fig. 3, according to another aspect of the present invention, the embodiment of the invention also provides a kind of vehicle-mounted bidirectional power supplies to fill
It sets, is applied to vehicle-mounted bidirectional charger, comprising:
First receiving module 1, the first voltage value for being detected at the cover board interface position received from trickle charge mouth；
First determining module 2 determines described vehicle-mounted two-way fill if being the first preset voltage value for the first voltage value
The current operation mode of motor itself is inverter mode, passes through the power battery connecting with vehicle-mounted bidirectional charger described vehicle-mounted
Bidirectional charger itself is powered the electrical socket connecting with the vehicle-mounted bidirectional charger；
Second receiving module 3, the second voltage value for being detected at the cover board interface position received from the trickle charge mouth；
First switching module 4 will be in inverter mode if being the second preset voltage value for the second voltage value
Vehicle-mounted bidirectional charger itself switches to closed state.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Third receiving module, if being the second preset voltage value, the electricity received from trickle charge mouth for the first voltage value
The resistance value detected at resistance detection interface position；
Second determining module, for determining the vehicle-mounted two-way charging when the resistance value is the first predetermined resistance value
The current operation mode of machine is inverter mode, and power battery connect with vehicle-mounted bidirectional charger is made to pass through described vehicle-mounted two-way fill
Motor itself is powered the electrical socket connecting with the vehicle-mounted bidirectional charger, and passes through the vehicle-mounted bidirectional charger
Itself and the trickle charge mouth are powered the external communication load connecting with the trickle charge mouth.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Judgment module receives electric discharge instruction for when the resistance value is the second predetermined resistance value, then judging whether；
Third determining module, for determining the current of the vehicle-mounted bidirectional charger when receiving electric discharge instruction
Operating mode is inverter mode, and the power battery connecting with vehicle-mounted bidirectional charger is made to pass through the vehicle-mounted bidirectional charger itself
The electrical socket connecting with the vehicle-mounted bidirectional charger is powered, and passes through the vehicle-mounted bidirectional charger itself and institute
Trickle charge mouth is stated to be powered the automobile to be charged connecting with the trickle charge mouth；
4th determining module, for determining the vehicle-mounted bidirectional charger itself when not receiving electric discharge instruction
Operating mode be charge mode, make the charging pile being connect with trickle charge mouth by the trickle charge mouth to the vehicle-mounted two-way charging
The electrical socket of machine connection is powered, and by the trickle charge mouth and the vehicle-mounted bidirectional charger itself to it is described vehicle-mounted
The power battery of bidirectional charger connection is powered.
Preferably, the third determining module includes:
First receiving unit is in for receiving the connect with the vehicle-mounted bidirectional charger first control guidance circuit
From the third voltage value of the trickle charge mouth controlled at guiding interface position and the first control guidance circuit when one state
The 4th voltage value detected when in the second state from the control guiding interface position of the trickle charge mouth；
First determination unit, for being third preset voltage value in the third voltage value, and the 4th voltage value is
When 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 connect with the control of trickle charge mouth guiding interface.
Preferably, vehicle-mounted 4th determining module includes:
Second receiving unit is in for receiving the connect with the vehicle-mounted bidirectional charger second control guidance circuit
When one state, within a preset period of time from the 5th voltage value at the control guiding interface position of the trickle charge mouth；
Second determination unit is the 5th default for the 5th voltage value described in the first moment in the preset time period
Voltage value, and the 5th voltage value described in the second moment in the preset time period be six preset voltage values when, it is determined that
The current operation mode of the vehicle-mounted bidirectional charger is inverter mode；
Wherein, the second control guidance circuit is connect with the control of trickle charge mouth guiding interface.
Preferably, the vehicle-mounted bidirectional power supply device further include:
4th receiving module is passed for receiving the electric current being set between the vehicle-mounted bidirectional charger and the electrical socket
The current value of sensor；
Second switching module two-way fills vehicle-mounted in charge mode or inverter mode for according to the current value
Motor itself carries out state switching.
Preferably, second switching module includes:
Judging unit, for judging whether the current value is greater than pre-set current value；
Switch unit, for when the current value is greater than pre-set current value, in charge mode or inverter mode
Vehicle-mounted bidirectional charger itself switches to closed state.
Preferably, when the current value is greater than pre-set current value, the vehicle-mounted bidirectional power supply device further include:
Sending module, for sending overcurrent self by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger
Fault message.
Vehicle-mounted bidirectional power supply device provided in an embodiment of the present invention, is device corresponding with the above method, in the above method
All implementations suitable for the embodiment of the device, can also reach identical technical effect.Implement through the invention
The vehicle-mounted bidirectional power supply method that example provides is not connected with having charging gun or electric discharge rifle in trickle charge mouth, and in the open state, energy
It enough prevents trickle charge mouth position from going out electrification in high voltage, personnel is caused to accidentally injure.
According to another aspect of an embodiment of the present invention, the embodiment of the invention also provides a kind of vehicle-mounted bidirectional charger, packets
Include above-mentioned vehicle-mounted bidirectional power supply device.
Referring to Fig. 4, the vehicle-mounted bidirectional charger in the present invention includes: the two-way AC/ that controller and controller are separately connected
DC module and two-way DC/AC module, wherein two-way AC/DC module is connected with two-way DC/AC module；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 module is in rectification shape
State, and two-way DC/DC module be in the direct current to direct current transition status, after the rectification of two-way AC/DC module pass through it is two-way
Power battery is transferred to after the conversion of DC/DC module；When vehicle-mounted bidirectional charger itself is in inverter mode, two-way AC/DC module
In rectification state, and two-way DC/DC module is in direct current transition status；Direct current after being converted by two-way DC/DC module
Electricity carries out inversion by two-way AC/DC module, is transferred to load to be powered.The above is a preferred embodiment of the present invention,
It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, may be used also
To make several improvements and modifications, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (17)
1. a kind of vehicle-mounted bidirectional power supply method is applied to vehicle-mounted bidirectional charger characterized by comprising
The first voltage value detected at cover board interface position received from trickle charge mouth；
If the first voltage value is the first preset voltage value, the current operation mode of the vehicle-mounted bidirectional charger itself is determined
For inverter mode, make the power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to it is described
The electrical socket of vehicle-mounted bidirectional charger connection is powered；
The second voltage value detected at cover board interface position received from the trickle charge mouth；
If the second voltage value is the second preset voltage value, the vehicle-mounted bidirectional charger itself in inverter mode is switched
To closed state.
2. vehicle-mounted bidirectional power supply method according to claim 1, which is characterized in that the vehicle-mounted bidirectional power supply method is also wrapped
It includes:
If the first voltage value is the second preset voltage value, detected at the resistance detection interface position received from trickle charge mouth
Resistance value；
When the resistance value is the first predetermined resistance value, determine that the current operation mode of the vehicle-mounted bidirectional charger is inversion
Mode, make the power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to it is described vehicle-mounted double
The electrical socket connected to charger is powered, and by the vehicle-mounted bidirectional charger itself and the trickle charge mouth to institute
The external communication load for stating the connection of trickle charge mouth is powered.
3. vehicle-mounted bidirectional power supply method according to claim 2, which is characterized in that the vehicle-mounted bidirectional power supply method is also wrapped
It includes:
When the resistance value is the second predetermined resistance value, then judge whether to receive electric discharge instruction；
When receiving electric discharge instruction, determines that the current operation mode of the vehicle-mounted bidirectional charger is inverter mode, make
The power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to the vehicle-mounted two-way charging
The electrical socket of machine connection is powered, and by the vehicle-mounted bidirectional charger itself and the trickle charge mouth to the trickle charge
The automobile to be charged of mouth connection is powered；
When not receiving electric discharge instruction, determine that the operating mode of the vehicle-mounted bidirectional charger itself is charge mode,
Supply that the charging pile connecting with trickle charge mouth to the electrical socket connecting with the vehicle-mounted bidirectional charger by the trickle charge mouth
Electricity, and by the trickle charge mouth and the vehicle-mounted bidirectional charger itself to the power being connect with the vehicle-mounted bidirectional charger
Battery is powered.
4. vehicle-mounted bidirectional power supply method according to claim 3, which is characterized in that when receiving electric discharge instruction,
The step of current operation mode for determining the vehicle-mounted bidirectional charger is inverter mode, comprising:
First connect with the vehicle-mounted bidirectional charger is received to control when guidance circuit is in first state from the trickle charge mouth
Control guiding interface position at third voltage value and the first control guidance circuit when be in the second state described in oneself
The 4th voltage value detected at the control guiding interface position of trickle charge mouth；
The third voltage value be third preset voltage value, and the 4th voltage value be four preset voltage values when, determine
The current operation mode of the vehicle-mounted bidirectional charger is charge mode；
Wherein, the first control guidance circuit is connect with the control of trickle charge mouth guiding interface.
5. vehicle-mounted bidirectional power supply method according to claim 4, which is characterized in that do not receiving the electric discharge instruction
When, determine the vehicle-mounted bidirectional charger itself operating mode be charge mode the step of, comprising:
When the second control guidance circuit that reception is connect with the vehicle-mounted bidirectional charger is in first state, in preset time period
The 5th voltage value at the interior control guiding interface position from the trickle charge mouth；
5th voltage value described in the first moment in the preset time period is the 5th preset voltage value, and when described default
Between the 5th voltage value 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 operating mode is inverter mode；
Wherein, the second control guidance circuit is connect with the control of trickle charge mouth guiding interface.
6. vehicle-mounted bidirectional power supply method according to claim 5, which is characterized in that the vehicle-mounted bidirectional power supply method is also wrapped
It includes:
Receive the current value for the current sensor being set 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 itself in charge mode or inverter mode.
7. vehicle-mounted bidirectional power supply method according to claim 6, which is characterized in that it is described according to the current value, to place
In the step of vehicle-mounted bidirectional charger of charge mode or inverter mode itself carries out state switching, comprising:
Judge whether the current value is greater than pre-set current value；
When the current value is greater than pre-set current value, to the vehicle-mounted bidirectional charger itself in charge mode or inverter mode
Switch to closed state.
8. vehicle-mounted bidirectional power supply method according to claim 7, which is characterized in that be greater than predetermined current in the current value
When value, the vehicle-mounted bidirectional power supply method further include:
Overcurrent fault message is sent self by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger.
9. a kind of vehicle-mounted bidirectional power supply device is applied to vehicle-mounted bidirectional charger characterized by comprising
First receiving module, the first voltage value for being detected at the cover board interface position received from trickle charge mouth；
First determining module determines the vehicle-mounted bidirectional charger if being the first preset voltage value for the first voltage value
The current operation mode of itself is inverter mode, passes through the power battery connecting with vehicle-mounted bidirectional charger described vehicle-mounted two-way
Charger itself is powered the electrical socket connecting with the vehicle-mounted bidirectional charger；
Second receiving module, the second voltage value for being detected at the cover board interface position received from the trickle charge mouth；
First switching module will be vehicle-mounted in inverter mode if being the second preset voltage value for the second voltage value
Bidirectional charger itself switches to closed state.
10. vehicle-mounted bidirectional power supply device according to claim 9, which is characterized in that the vehicle-mounted bidirectional power supply device is also
Include:
Third receiving module, if being the second preset voltage value for the first voltage value, the resistance inspection received from trickle charge mouth
Survey the resistance value detected at interface position；
Second determining module, for determining the vehicle-mounted bidirectional charger when the resistance value is the first predetermined resistance value
Current operation mode is inverter mode, and the power battery connecting with vehicle-mounted bidirectional charger is made to pass through the vehicle-mounted bidirectional charger
Itself is powered the electrical socket connecting with the vehicle-mounted bidirectional charger, and passes through the vehicle-mounted bidirectional charger itself
The external communication load connecting with the trickle charge mouth is powered with the trickle charge mouth.
11. vehicle-mounted bidirectional power supply device according to claim 10, which is characterized in that the vehicle-mounted bidirectional power supply device is also
Include:
Judgment module receives electric discharge instruction for when the resistance value is the second predetermined resistance value, then judging whether；
Third determining module, for determining the work at present of the vehicle-mounted bidirectional charger when receiving electric discharge instruction
Mode is inverter mode, make the power battery being connect with vehicle-mounted bidirectional charger by the vehicle-mounted bidirectional charger itself to
The electrical socket of vehicle-mounted bidirectional charger connection is powered, and passes through the vehicle-mounted bidirectional charger itself and described slow
Mouth is filled to be powered the automobile to be charged connecting with the trickle charge mouth；
4th determining module, for determining the work of the vehicle-mounted bidirectional charger itself when not receiving electric discharge instruction
Operation mode is charge mode, connects the charging pile connecting with trickle charge mouth to the vehicle-mounted bidirectional charger by the trickle charge mouth
The electrical socket connect is powered, and by the trickle charge mouth and the vehicle-mounted bidirectional charger itself to it is described vehicle-mounted two-way
The power battery of charger connection is powered.
12. vehicle-mounted bidirectional power supply device according to claim 11, which is characterized in that the third determining module includes:
First receiving unit is in the first shape for receiving the connect with the vehicle-mounted bidirectional charger first control guidance circuit
It is in when state from the third voltage value of the trickle charge mouth controlled at guiding interface position and the first control guidance circuit
The 4th voltage value detected when the second state from the control guiding interface position of the trickle charge mouth；
First determination unit, for being third preset voltage value in the third voltage value, and the 4th voltage value is the 4th
When 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 connect with the control of trickle charge mouth guiding interface.
13. vehicle-mounted bidirectional power supply device according to claim 12, which is characterized in that the 4th determining module includes:
Second receiving unit is in the first shape for receiving the connect with the vehicle-mounted bidirectional charger second control guidance circuit
When state, within a preset period of time from the 5th voltage value at the control guiding interface position of the trickle charge mouth；
Second determination unit is the 5th predeterminated voltage for the 5th voltage value described in the first moment in the preset time period
Value, and the 5th voltage value described in the second moment in the preset time period be six preset voltage values when, 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 connect with the control of trickle charge mouth guiding interface.
14. vehicle-mounted bidirectional power supply device according to claim 13, which is characterized in that the vehicle-mounted bidirectional power supply device is also
Include:
4th receiving module, for receiving the current sensor being set between the vehicle-mounted bidirectional charger and the electrical socket
Current value；
Second switching module is used 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, which is characterized in that second switching module includes:
Judging unit, for judging whether the current value is greater than pre-set current value；
Switch unit, for when the current value is greater than pre-set current value, to vehicle-mounted in charge mode or inverter mode
Bidirectional charger itself switches to closed state.
16. vehicle-mounted bidirectional power supply device according to claim 15, which is characterized in that be greater than default electricity in the current value
When flow valuve, the vehicle-mounted bidirectional power supply device further include:
Sending module, for sending over current fault self by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger
Information.
17. a kind of vehicle-mounted bidirectional charger, which is characterized in that including the described in any item vehicle-mounted two-way confessions of claim 9 to 16
Electric installation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710400307.4A CN106985671B (en) | 2017-05-31 | 2017-05-31 | Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device |
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| CN201710400307.4A CN106985671B (en) | 2017-05-31 | 2017-05-31 | Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 and device for working mode of vehicle-mounted bidirectional charger 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 |
| WO2019164486A1 (en) * | 2018-02-22 | 2019-08-29 | 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 | Charging and discharging control method and device and electric automobile |
| 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 |
| CN111864839B (en) * | 2020-07-21 | 2022-10-21 | 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 |
| CN115431799A (en) * | 2022-08-12 | 2022-12-06 | 长春捷翼汽车零部件有限公司 | Charge and discharge control system |
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| Publication number | Publication date |
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| CN106985671A (en) | 2017-07-28 |
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