CN108656972A - A kind of electric vehicle charging/discharging thereof and device - Google Patents
A kind of electric vehicle charging/discharging thereof and device Download PDFInfo
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- CN108656972A CN108656972A CN201710193739.2A CN201710193739A CN108656972A CN 108656972 A CN108656972 A CN 108656972A CN 201710193739 A CN201710193739 A CN 201710193739A CN 108656972 A CN108656972 A CN 108656972A
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- electric vehicle
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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
- B60L53/60—Monitoring or controlling charging stations
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
Abstract
The present invention provides a kind of electric vehicle charging/discharging thereof and devices, are related to electric vehicle engineering field.The method, including：When electric vehicle enters preset state condition and meets preset charged condition, the entire car controller for controlling the electric vehicle sends the first close command to battery management system；The battery management system controls the electric vehicle according to first close command and the positive relay of master and main negative relay is maintained closed state, enters charged state to control the electric vehicle.The charging/discharging thereof triviality for solving existing electric vehicle is higher, and more low technical problem is experienced in user's charge and discharge.Achieving reduces the triviality that electric discharge executes, and improves the advantageous effect of the charge and discharge experience of automobile user.
Description
Technical field
The present invention relates to electric vehicle engineering fields, more particularly to a kind of electric vehicle charging/discharging thereof and device.
Background technology
As the improvement of people's living standards, the advantages that pure electric automobile is because of its no pollution, zero-emission is increasingly by people
Like, and with the continuous development of science and technology, pure electric automobile is also quickly grown in recent years.
And the formulation of charging/discharging thereof is the basis of pure electric automobile other various functions realization, the electric discharge of electric vehicle
Engine ignition and the oiling that conventional fuel oil car is corresponded respectively to charging first practise vehicle stall before being refueled by conventional fuel oil car
Used influence is also to require first to descend high-voltage electricity, then execute charging flow during existing electric vehicle charge and discharge policy development.
The pure electric automobile charge and discharge strategy formulated at this stage under the upper high pressure conditions of electric discharge, need to first disconnect main positive relay and it is main it is negative after
Electric appliance, then judge whether to meet charge condition, if meeting charge condition, main positive relay and main negative relay are reclosed, is realized
The upper high pressure conditions of charging are not executed if charge condition is unsatisfactory for by the switching of discharge upper high pressure conditions to the upper high pressure conditions of charging
Switching.But there is the repetitive process of main positive relay and main negative relay closure-open-close in this charging/discharging thereof,
The triviality for increasing charge and discharge execution reduces the charge and discharge experience of automobile user.
Invention content
In order to solve the triviality that existing charging/discharging thereof increases charge and discharge execution, automobile user is reduced
The problem of charge and discharge are experienced, a kind of electric vehicle charging/discharging thereof of offer of the embodiment of the present invention and device.
On the one hand, the invention discloses a kind of electric vehicle charging/discharging thereofs, including：
When electric vehicle enters preset state condition and meets preset charged condition, the vehicle of the electric vehicle is controlled
Controller sends the first close command to battery management system；
The battery management system controls the electric vehicle according to first close command will main positive relay and master
Negative relay is maintained closed state, enters charged state to control the electric vehicle.
Optionally, the preset state condition includes that the electric vehicle enters the upper high-pressure process of electric discharge or the electricity
Electrical automobile has been in the upper high pressure conditions of electric discharge and speed is less than pre-set velocity.
Optionally, enter high-pressure process on discharging for the electric vehicle when the preset state condition, then described
When electric vehicle enters preset state condition and meets preset charged condition, control the entire car controller of the electric vehicle to
Before battery management system sends the step of the first close command, further include：
Receive the first instruction of the automobile user triggering；
The entire car controller, which is controlled, according to first instruction sends the first close command to battery management system to incite somebody to action
The positive relay of master and main negative relay are adjusted to closed state by patent conjunction state, so that the electric vehicle is by low pressure shape
State enters the upper high-pressure process of electric discharge.
Optionally, when the preset state condition is that the electric vehicle enters electric discharge above high-pressure process, the battery
Management system controls the electric vehicle according to first close command and the positive relay of master and main negative relay is maintained and is closed
Conjunction state, to control the step of electric vehicle enters charged state, including：
Battery management system continues to control the electric vehicle by main positive relay and master according to first close command
Negative relay is adjusted to closed state by patent conjunction state, or the control electric vehicle keep the positive relay of master and
Main negative relay is closed state, enters the upper high pressure conditions of charging by the upper high-pressure process that discharges to control the electric vehicle.
Optionally, when the preset state condition is that the electric vehicle has been in the upper high pressure conditions of electric discharge and speed is less than
When pre-set velocity, the battery management system according to first close command control the electric vehicle will main positive relay and
Main negative relay is maintained closed state, to control the step of electric vehicle enters charged state, including：
The battery management system controls the electric vehicle according to first close command and keeps the positive relay of master
Device and main negative relay are closed state, enter the upper high pressure shape of charging by the upper high pressure conditions that discharge to control the electric vehicle
State.
On the other hand, the invention also discloses a kind of electric vehicle charge and discharge devices, which is characterized in that including：
Entire car controller, for when electric vehicle enters preset state condition and meets preset charged condition, to battery
Management system sends the first close command；
Battery management system, will main positive relay and master for controlling the electric vehicle according to first close command
Negative relay is adjusted to closed state, enters charged state to control the electric vehicle.
Optionally, the preset state condition includes that the electric vehicle enters the upper high-pressure process of electric discharge or the electricity
Electrical automobile has been in the upper high pressure conditions of electric discharge and speed is less than pre-set velocity.
Optionally, when the preset state condition is that the electric vehicle enters electric discharge above high-pressure process, further include：
First command reception module, the first instruction for receiving the automobile user triggering；
Further, the entire car controller is additionally operable to control the entire car controller to electricity according to first instruction
Pond management system sends the first close command so that the positive relay of the master and main negative relay to be adjusted to close by patent conjunction state
Conjunction state, so that the electric vehicle enters the upper high-pressure process of electric discharge by low-pressure state.
Optionally, when the preset state condition is that the electric vehicle enters electric discharge above high-pressure process, the battery
Management system is additionally operable to continue to control the electric vehicle by main positive relay and main negative relay according to first close command
Device is adjusted to closed state by patent conjunction state, or the control electric vehicle keep the positive relay of master and it is main it is negative after
Electric appliance is closed state, enters the upper high pressure conditions of charging by the upper high-pressure process that discharges to control the electric vehicle.
Optionally, when the preset state condition is that the electric vehicle has been in the upper high pressure conditions of electric discharge and speed is less than
When pre-set velocity, the battery management system is additionally operable to control electric vehicle holding institute according to first close command
It is closed state to state main positive relay and main negative relay, enters charging by the upper high pressure conditions that discharge to control the electric vehicle
Upper high pressure conditions.
The present invention is by the way that when electric vehicle enters preset state condition and meets preset charged condition, control is described electronic
The entire car controller of automobile sends the first close command to battery management system；The battery management system is closed according to described first
It closes the instruction control electric vehicle and the positive relay of master and main negative relay is maintained closed state, to control the electronic vapour
Vehicle enters charged state.The charging/discharging thereof triviality for solving existing electric vehicle is higher, and user's charge and discharge experience is relatively low
Etc. technical problems.Achieving reduces the triviality that electric discharge executes, and improves the beneficial effect of the charge and discharge experience of automobile user
Fruit.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, below the special specific implementation mode for lifting the present invention.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of step flow chart of electric vehicle charging/discharging thereof in the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of electric vehicle charging/discharging thereof in the embodiment of the present invention two；
Fig. 2A is that charging/discharging thereof of a kind of electric vehicle in the upper high-pressure process of electric discharge in the embodiment of the present invention two is real
Existing logic chart；
Fig. 3 is a kind of step flow chart of electric vehicle charging/discharging thereof in the embodiment of the present invention three；
Fig. 3 A are a kind of electric vehicles in the embodiment of the present invention three is less than default speed in the upper high pressure conditions of electric discharge and speed
The charging/discharging thereof of degree realizes logic chart；
Fig. 4 is a kind of structural schematic diagram of electric vehicle charge and discharge device in the embodiment of the present invention four；
Fig. 5 is a kind of structural schematic diagram of electric vehicle charge and discharge device in the embodiment of the present invention five.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
A kind of electric vehicle charge and discharge side provided by the invention is discussed in detail below by several specific embodiments are enumerated
Method and device.
Embodiment one
A kind of electric vehicle charging/discharging thereof provided in an embodiment of the present invention is discussed in detail.
Referring to Fig.1, a kind of step flow chart of electric vehicle charging/discharging thereof in the embodiment of the present invention is shown.
Step 110, when electric vehicle enters preset state condition and meets preset charged condition, the electronic vapour is controlled
The entire car controller of vehicle sends the first close command to battery management system.
Before battery management system is by main positive relay and main negative relay disconnection, charging and discharging state is detected；
When the charging and discharging state of electric vehicle enters preset state condition and meets preset charged condition, the electricity is controlled
The entire car controller of electrical automobile sends the first close command to battery management system
Step 120, the battery management system according to first close command control the electric vehicle will it is main just after
Electric appliance and main negative relay are maintained closed state, enter charged state to control the electric vehicle.
It has been observed that the electric discharge and charging of electric vehicle correspond respectively to engine ignition and the oiling of conventional fuel oil car.But
Be for electric vehicle, in charging high pressure and upper its final state of high pressure of electric discharge be all battery pack the positive relay of master and
Main negative relay is closed.Therefore, in the embodiment of the present application, if electric vehicle is either being put in the state of the upper high pressure of electric discharge
When on electricity in high-pressure process, the positive relay of master of the battery pack of electric vehicle and main negative relay are closed, if connection is filled at this time
Electric rifle, and electric vehicle is made to meet preset charge condition, while the entire car controller (vehicle of electric vehicle can be passed through
Management System, VMS) it is closed to battery management system (Battery Management System, BMS) transmission first
Instruction is closed, so that the positive relay of the master of battery pack and main negative relay are maintained original closed state, you can be not necessarily to realize
The upper high pressure conditions of charging can be switched to by the upper high pressure conditions that discharge by disconnecting main positive relay and main negative relay, even if also electronic
Automobile switches to charged state by discharge condition, eliminates main positive relay and master bears the repetition being closed again after relay first disconnects
Process.
Preset state condition therein may include that electric vehicle above-mentioned is either being put in the state of the upper high pressure of electric discharge
On electricity in high-pressure process.Wherein, the state of high pressure indicates electric vehicle in the process of moving in electric discharge, in electric discharge in high-pressure process
It indicates that electric vehicle is in preparation state, can start at any time but still not actuated.But in practical applications, if electric vehicle
Speed of operation it is very fast, be not easy to switch to charging shape from discharge condition by not turning off main positive relay and main negative relay
State, therefore in the embodiment of the present application, it includes that the electric vehicle enters electric discharge that can also further set preset state condition
Upper high-pressure process or the electric vehicle have been in the upper high pressure conditions of electric discharge and speed is less than pre-set velocity.It is therein default
Speed can the either step before this step or before this step such as experiment experience according to demand advance
Row setting, is not limited this application.
In addition, above-mentioned preset charged condition includes the upper charging gun of electric vehicle connection above-mentioned, battery management system
State adjustment etc., in practical applications, the different pre-set charge conditions of electric vehicle manufacturer may be different, therefore
Electric vehicle in this application needs to meet the corresponding preset charged condition of its correspondence manufacturer, is not added with to this application
To limit.
It should be noted that in the embodiment of the present application, when electric vehicle enters preset state condition and meets default fill
When electric condition, the step of entire car controller of the electric vehicle is to battery management system the first close command of transmission, tool are controlled
Body can also detect the charge and discharge shape of electric vehicle before battery management system is by main positive relay and main negative relay disconnection
State, and then when the charging and discharging state of electric vehicle enters preset state condition and meets preset charged condition, control the electricity
The entire car controller of electrical automobile sends the first close command to battery management system, so as to the positive relay of master and it is main negative after
Before electric appliance disconnects, battery management system is set to receive the first close command of entire car controller transmission, so as to so that in electricity
When electrical automobile switches to charged state by discharge condition, leads positive relay and main negative relay is maintained closed state always,
To avoid the troublesome operation of " closure-open-close ".
In the embodiment of the present application, by when electric vehicle enters preset state condition and meets preset charged condition,
The entire car controller for controlling the electric vehicle sends the first close command to battery management system；The battery management system root
The electric vehicle is controlled according to first close command, the positive relay of master and main negative relay are maintained closed state, with control
It makes the electric vehicle and enters charged state.Achieving reduces the triviality that electric discharge executes, and improves the charge and discharge of automobile user
The advantageous effect of electricity experience.
Embodiment two
A kind of electric vehicle charging/discharging thereof provided in an embodiment of the present invention is discussed in detail.
With reference to Fig. 2, a kind of step flow chart of electric vehicle charging/discharging thereof in the embodiment of the present invention is shown.
Step 210, the first instruction of the automobile user triggering is received.
It is in the upper high-pressure process of electric discharge, is then needed by electric vehicle if preset state condition is electric vehicle
Before switching to charged state by discharge condition, need that first electric vehicle is adjusted in the upper high-pressure process of electric discharge.In reality
In the application of border, the user namely driver of electric vehicle are instructed by triggering the first of electric vehicle, so that electric vehicle enters
In electric discharge in high-pressure process.It can specifically be touched on the brake by executing, press high pressure on start/stop (beginning/stopping) button
Etc. action triggers first instruct, this application is not limited.
Step 220, the entire car controller is controlled according to first instruction and sends the first closure to battery management system
Instruction by patent conjunction state by the positive relay of the master and main negative relay to be adjusted to closed state, so that the electric vehicle
The upper high-pressure process of electric discharge is entered by low-pressure state.
If Fig. 2A is that charging/discharging thereof of the electric vehicle in the upper high-pressure process of electric discharge realizes logic chart.As can be seen that working as
Driver executes and touches on the brake, can will be electric when pressing the action of high pressure on start/stop buttons, namely when the first instruction of triggering
The vehicle-state of electrical automobile is adjusted to discharge in upper high-pressure process by low-pressure state, and entire car controller can be according to driver at this time
Action namely according to the first instruction received, sent to battery management system and be closed main positive relay and main negative relay life
Enable namely the embodiment of the present application in the first close command, then battery management system receive first close command it
Afterwards, then the action for being closed the positive relay of master and main negative relay can be executed, or will main positive relay and main negative relay
Device is closed.
Step 230, when electric vehicle enters preset state condition and meets preset charged condition, the electronic vapour is controlled
The entire car controller of vehicle sends the first close command to battery management system；The preset state condition be the electric vehicle into
Enter the upper high-pressure process of electric discharge.
Step 240, the battery management system continues to control the electric vehicle and will lead according to first close command
Just relay and main negative relay are adjusted to closed state by patent conjunction state, or described in the control electric vehicle holding
Main positive relay and main negative relay are closed state, are entered in charging by the upper high-pressure process that discharges with controlling the electric vehicle
High pressure conditions.
It is same as shown in Figure 2 A, when electric vehicle enters preset state condition, namely enter in the upper high-pressure process of electric discharge and
When meeting preset charged condition, it is still desirable to control entire car controller and continue to send the main positive relay of closure to battery management system
With main negative relay order namely the first close command.Battery management system can continue to control according to the first close command at this time
The positive relay of master and main negative relay are adjusted to closed state, or the control electricity by electric vehicle processed by patent conjunction state
It is closed state that electrical automobile, which keeps the positive relay of master and main negative relay, and then can control the vehicle-state of electric vehicle
By entering in the upper high-pressure process of charging in the upper high-pressure process that discharges, even if also electric vehicle is switched to charging shape by discharge condition
State.
It should be noted that preset charged condition shown in Fig. 2A is connection charging gun, but in practical applications, in advance
If charge condition may include other preset a plurality of charge conditions, it can be set according to demand, this application is not added with
To limit
In the embodiment of the present application, by when electric vehicle enters preset state condition and meets preset charged condition,
The entire car controller for controlling the electric vehicle sends the first close command to battery management system；The battery management system root
The electric vehicle is controlled according to first close command, the positive relay of master and main negative relay are maintained closed state, with control
It makes the electric vehicle and enters charged state.Achieving reduces the triviality that electric discharge executes, and improves the charge and discharge of automobile user
The advantageous effect of electricity experience.
Moreover, in the embodiment of the present application, being pressed through if preset state condition enters the upper height of electric discharge for the electric vehicle
Journey, then the first instruction of the automobile user triggering can also be received；The vehicle is controlled according to first instruction
Controller sends the first close command so that the positive relay of the master and master are born relay by not closed shape to battery management system
State is adjusted to closed state, so that the electric vehicle enters the upper high-pressure process of electric discharge by low-pressure state.Also, battery management system
System continues to control the electric vehicle by main positive relay and main negative relay by not closed shape according to first close command
State is adjusted to closed state, or it is closed form that the control electric vehicle, which keeps the positive relay of master and main negative relay,
State enters the upper high pressure conditions of charging to control the electric vehicle by the upper high-pressure process that discharges.It is cut so as to further increase
The accuracy and enforceability changed further decrease the triviality that electric discharge executes.
Embodiment three
A kind of electric vehicle charging/discharging thereof provided in an embodiment of the present invention is discussed in detail.
With reference to Fig. 3, a kind of step flow chart of electric vehicle charging/discharging thereof in the embodiment of the present invention is shown.
Step 310, when electric vehicle enters preset state condition and meets preset charged condition, the electronic vapour is controlled
The entire car controller of vehicle sends the first close command to battery management system；The preset state condition be the electric vehicle
In the upper high pressure conditions of electric discharge and speed is less than pre-set velocity.
Step 320, the battery management system is controlled according to first close command described in the electric vehicle holding
Main positive relay and main negative relay are closed state, are entered in charging by the upper high pressure conditions that discharge with controlling the electric vehicle
High pressure conditions.
The charging/discharging thereof reality as shown in Figure 3A for being less than pre-set velocity in the upper high pressure conditions of electric discharge and speed for electric vehicle
Existing logic chart.It can be seen that the vehicle-state of the electric vehicle of original state is the upper high pressure conditions of electric discharge, and entire car controller
The first close command is sent to battery management system, namely is closed main positive relay and main negative relay order, then battery
The positive relay of master and main negative relay in management system have been closed.
And if when electric vehicle enters preset state condition and meets preset charged condition, electronic vapour can be controlled
The entire car controller of vehicle continues to send the first close command to battery management system, namely is closed main positive relay and main negative relay
Device order, then battery management system can then control electric vehicle according to the first close command continues to execute the main positive relay of closure
Device and master bear the action of relay or are to maintain main positive relay and main relay of bearing for closed state, to control electric vehicle
Enter the upper high pressure conditions of charging by the upper high pressure conditions that discharge, to make electric vehicle switch to charged state by discharge condition.
It should be noted that above-mentioned pre-set velocity can be according to demand before this step or before this step
Either step before set, this application is not limited.And preset charged condition shown in Fig. 3 A is to connect
Charging gun is connect, but in practical applications, preset charged condition may include other preset a plurality of charge conditions, can basis
Demand is set, and is not limited to this application.
In the embodiment of the present application, by when electric vehicle enters preset state condition and meets preset charged condition,
The entire car controller for controlling the electric vehicle sends the first close command to battery management system；The battery management system root
The electric vehicle is controlled according to first close command, the positive relay of master and main negative relay are maintained closed state, with control
It makes the electric vehicle and enters charged state.Achieving reduces the triviality that electric discharge executes, and improves the charge and discharge of automobile user
The advantageous effect of electricity experience.
Moreover, in the embodiment of the present application, when the preset state condition is that the electric vehicle has been in the upper height of electric discharge
When pressure condition and speed are less than pre-set velocity, the battery management system controls the electronic vapour according to first close command
It is closed state that vehicle, which keeps the positive relay of master and main negative relay, to control the electric vehicle by the upper high pressure conditions that discharge
Into the upper high pressure conditions of charging.So as to further decrease the triviality that electric discharge executes.
Example IV
A kind of electric vehicle charge and discharge device provided in an embodiment of the present invention is discussed in detail.
With reference to Fig. 4, a kind of structural schematic diagram of electric vehicle charge and discharge device in the embodiment of the present invention is shown.
Entire car controller 410, for when electric vehicle enters preset state condition and meets preset charged condition, to electricity
Pond manages system and sends the first close command.
Battery management system 420, will main positive relay for controlling the electric vehicle according to first close command
It is adjusted to closed state with main negative relay, enters charged state to control the electric vehicle.
In the embodiment of the present application, by when electric vehicle enters preset state condition and meets preset charged condition,
The entire car controller for controlling the electric vehicle sends the first close command to battery management system；The battery management system root
The electric vehicle is controlled according to first close command, the positive relay of master and main negative relay are maintained closed state, with control
It makes the electric vehicle and enters charged state.Achieving reduces the triviality that electric discharge executes, and improves the charge and discharge of automobile user
The advantageous effect of electricity experience.
Embodiment five
A kind of electric vehicle charge and discharge device provided in an embodiment of the present invention is discussed in detail.
With reference to Fig. 5, a kind of structural schematic diagram of electric vehicle charge and discharge device in the embodiment of the present invention is shown.
First command reception module 510, the first instruction for receiving the automobile user triggering
The first command reception module 510 in the embodiment of the present application can be that braking vane, start/stop buttons etc. are set
It is standby, this application is not limited.
Entire car controller 520, for when electric vehicle enters preset state condition and meets preset charged condition, to electricity
Pond manages system and sends the first close command.Optionally, the preset state condition is that the electric vehicle enters the upper height of electric discharge
It presses through journey or the electric vehicle has been in the upper high pressure conditions of electric discharge and speed is less than pre-set velocity.
Optionally, in the embodiment of the present application, the entire car controller 520 is additionally operable to according to the first instruction control
The entire car controller to battery management system send the first close command with by the positive relay of the master and main negative relay by
Patent conjunction state is adjusted to closed state, so that the electric vehicle enters the upper high-pressure process of electric discharge by low-pressure state.
Battery management system 530, will main positive relay for controlling the electric vehicle according to first close command
It is adjusted to closed state with main negative relay, enters charged state to control the electric vehicle.
Optionally, in the embodiment of the present application, when the preset state condition is that the electric vehicle enters the upper height of electric discharge
When pressing through journey, the battery management system 530 is additionally operable to be continued to control the electric vehicle general according to first close command
Main positive relay and main negative relay are adjusted to closed state by patent conjunction state, or the control electric vehicle keeps institute
It is closed state to state main positive relay and main negative relay, enters charging by the upper high-pressure process that discharges to control the electric vehicle
Upper high pressure conditions.
Optionally, in the embodiment of the present application, when the preset state condition is that the electric vehicle has been in electric discharge
When high pressure conditions and speed are less than pre-set velocity, the battery management system 530 is additionally operable to according to the first close command control
It is closed state to make the electric vehicle and keep the positive relay of master and main negative relay, to control the electric vehicle by putting
High pressure conditions enter the upper high pressure conditions of charging on electricity.
In the embodiment of the present application, by when electric vehicle enters preset state condition and meets preset charged condition,
The entire car controller for controlling the electric vehicle sends the first close command to battery management system；The battery management system root
The electric vehicle is controlled according to first close command, the positive relay of master and main negative relay are maintained closed state, with control
It makes the electric vehicle and enters charged state.Achieving reduces the triviality that electric discharge executes, and improves the charge and discharge of automobile user
The advantageous effect of electricity experience.
Moreover, in the embodiment of the present application, being pressed through if preset state condition enters the upper height of electric discharge for the electric vehicle
Journey, then the first instruction of the automobile user triggering can also be received；The vehicle is controlled according to first instruction
Controller sends the first close command so that the positive relay of the master and master are born relay by not closed shape to battery management system
State is adjusted to closed state, so that the electric vehicle enters the upper high-pressure process of electric discharge by low-pressure state.Also, battery management system
System continues to control the electric vehicle by main positive relay and main negative relay by not closed shape according to first close command
State is adjusted to closed state, or it is closed form that the control electric vehicle, which keeps the positive relay of master and main negative relay,
State enters the upper high pressure conditions of charging to control the electric vehicle by the upper high-pressure process that discharges.It is cut so as to further increase
The accuracy and enforceability changed further decrease the triviality that electric discharge executes.
Further, in the embodiment of the present application, when the preset state condition is that the electric vehicle has been in electric discharge
When upper high pressure conditions and speed are less than pre-set velocity, the battery management system controls the electricity according to first close command
It is closed state that electrical automobile, which keeps the positive relay of master and main negative relay, to control the electric vehicle by upper high pressure of discharging
State enters the upper high pressure conditions of charging.So as to further decrease the triviality that electric discharge executes.
Those of ordinary skill in the art may realize that the embodiment in conjunction with disclosed in the embodiment of the present invention describes each
Exemplary unit and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These
Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
It connects, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of electric vehicle charging/discharging thereof, which is characterized in that including：
When electric vehicle enters preset state condition and meets preset charged condition, the full-vehicle control of the electric vehicle is controlled
Device sends the first close command to battery management system；
The battery management system according to first close command control the electric vehicle will main positive relay and it is main it is negative after
Electric appliance is maintained closed state, enters charged state to control the electric vehicle.
2. according to the method described in claim 1, it is characterized in that, the preset state condition includes the electric vehicle entrance
High-pressure process or the electric vehicle have been in the upper high pressure conditions of electric discharge in electric discharge and speed is less than pre-set velocity.
3. according to the method described in claim 2, it is characterized in that, when the preset state condition enters for the electric vehicle
High-pressure process in electric discharge, then described when electric vehicle enters preset state condition and meets preset charged condition, control
Before the step of entire car controller of the electric vehicle sends the first close command to battery management system, further include：
Receive the first instruction of the automobile user triggering；
The entire car controller, which is controlled, according to first instruction sends the first close command to battery management system with will be described
Main positive relay and main negative relay are adjusted to closed state by patent conjunction state so that the electric vehicle by low-pressure state into
Enter the upper high-pressure process of electric discharge.
4. according to the method described in claim 2, it is characterized in that, when the preset state condition enters for the electric vehicle
In electric discharge when high-pressure process, the battery management system according to first close command control the electric vehicle will it is main just after
Electric appliance and main negative relay are maintained closed state, to control the step of electric vehicle enters charged state, including：
Battery management system according to first close command continue to control the electric vehicle will main positive relay and it is main it is negative after
Electric appliance is adjusted to closed state by patent conjunction state, or the control electric vehicle keeps the positive relay of master and master negative
Relay is closed state, enters the upper high pressure conditions of charging by the upper high-pressure process that discharges to control the electric vehicle.
5. according to the method described in claim 2, it is characterized in that, when the preset state condition is that the electric vehicle has been located
When high pressure conditions are gone up in electric discharge and speed is less than pre-set velocity, the battery management system is controlled according to first close command
The positive relay of master and main negative relay are maintained closed state by the electric vehicle, enter charging to control the electric vehicle
The step of state, including：
The battery management system according to first close command control the electric vehicle keep the positive relay of master and
Main negative relay is closed state, enters the upper high pressure conditions of charging by the upper high pressure conditions that discharge to control the electric vehicle.
6. a kind of electric vehicle charge and discharge device, which is characterized in that including：
Entire car controller, for when electric vehicle enters preset state condition and meets preset charged condition, to battery management
System sends the first close command；
Battery management system, for according to first close command control the electric vehicle will main positive relay and it is main it is negative after
Electric appliance is adjusted to closed state, enters charged state to control the electric vehicle.
7. device according to claim 6, which is characterized in that the preset state condition includes that the electric vehicle enters
High-pressure process or the electric vehicle have been in the upper high pressure conditions of electric discharge in electric discharge and speed is less than pre-set velocity.
8. device according to claim 7, which is characterized in that when the preset state condition enters for the electric vehicle
In electric discharge when high-pressure process, further include：
First command reception module, the first instruction for receiving the automobile user triggering；
Further, the entire car controller is additionally operable to control the entire car controller to cell tube according to first instruction
Reason system sends the first close command so that the positive relay of the master and main negative relay are adjusted to closed form by patent conjunction state
State, so that the electric vehicle enters the upper high-pressure process of electric discharge by low-pressure state.
9. device according to claim 7, which is characterized in that when the preset state condition enters for the electric vehicle
In electric discharge when high-pressure process, the battery management system is additionally operable to continue to control according to first close command described electronic
The positive relay of master and main negative relay are adjusted to closed state, or the control electric vehicle by automobile by patent conjunction state
It is closed state to keep the positive relay of the master and main negative relay, with control the electric vehicle by discharge upper high-pressure process into
Enter the upper high pressure conditions of charging.
10. device according to claim 7, which is characterized in that when the preset state condition be the electric vehicle
When being less than pre-set velocity in the upper high pressure conditions of electric discharge and speed, the battery management system is additionally operable to close according to described first
It is closed state to close instruction and control the electric vehicle to keep the positive relay of master and main negative relay, described electronic to control
Automobile enters the upper high pressure conditions of charging by the upper high pressure conditions that discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710193739.2A CN108656972B (en) | 2017-03-28 | 2017-03-28 | Charging and discharging method and device for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710193739.2A CN108656972B (en) | 2017-03-28 | 2017-03-28 | Charging and discharging method and device for electric automobile |
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| CN108656972A true CN108656972A (en) | 2018-10-16 |
| CN108656972B CN108656972B (en) | 2022-05-17 |
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| CN111806257A (en) * | 2020-06-30 | 2020-10-23 | 比亚迪股份有限公司 | High-voltage safety control method and device for electric vehicle and vehicle |
| CN112078391A (en) * | 2020-06-30 | 2020-12-15 | 比亚迪股份有限公司 | High-voltage safety control method and device for electric vehicle and vehicle |
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|---|---|
| CN108656972B (en) | 2022-05-17 |
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