CN105922873A - Vehicle and charging control method and system for low-voltage storage battery of vehicle - Google Patents
Vehicle and charging control method and system for low-voltage storage battery of vehicle Download PDFInfo
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- CN105922873A CN105922873A CN201610331112.4A CN201610331112A CN105922873A CN 105922873 A CN105922873 A CN 105922873A CN 201610331112 A CN201610331112 A CN 201610331112A CN 105922873 A CN105922873 A CN 105922873A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000005611 electricity Effects 0.000 claims description 105
- 230000003068 static effect Effects 0.000 claims description 14
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000002618 waking effect Effects 0.000 description 13
- 238000001514 detection method Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- 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
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (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)
- Secondary Cells (AREA)
Abstract
The invention discloses a vehicle and a charging control method and a system for a low-voltage storage battery of the vehicle, wherein the charging control method comprises the following steps: after the vehicle enters a standing state, the vehicle controller enters a low-power-consumption timing mode and starts timing; when the timing time reaches the awakening time stored in the vehicle controller, awakening the vehicle controller, detecting the current voltage of the low-voltage storage battery by the vehicle controller, and judging whether the current voltage of the low-voltage storage battery is less than or equal to a preset low-power voltage threshold value or not; and if the current voltage of the low-voltage storage battery is less than or equal to the preset low-electricity voltage threshold value, the vehicle control unit controls the DC/DC converter to work so as to charge the low-voltage storage battery. According to the method, when the timing time reaches the awakening time, the current voltage of the low-voltage storage battery is judged to determine whether to charge or not, so that charging can be carried out according to the actual requirement of the low-voltage storage battery, and the standing loss of the whole vehicle can be reduced.
Description
Technical field
The present invention relates to technical field of vehicle, particularly to a kind of low tension battery for vehicle charge control method, one
Plant the charge control system of the low tension battery for vehicle and a kind of vehicle.
Background technology
The most intelligent and electrification is the development trend of automobile, controls for the driving of automobile and multinomial intelligentized function is real
Existing, introduce multiple electric-control system, therefore the security reliability of low-voltage power supply system becomes more and more important especially.
Generally, in order to realize the intellectuality controlled, under car load after electricity, multiple electric-control systems are still in the work shape of low-power consumption
State, the state of moment monitoring car load, thus, the quiescent dissipation of car load increases, therefore to car load low voltage control source (such as low pressure
Accumulator) condition monitoring and before its power shortage, rationally day by day obtain the concern of entire vehicle design the most timely for its supplementary electricity.
In correlation technique, benefit electricity system can be started in the environment of unmanned the intervention and mend electricity to low tension battery, but the most in fact
The scheme executed has the disadvantage that
Periodically start and mend electricity work: do not monitor the state of charge of low tension battery, determine Startup time with empirical value, exist
Cannot obtain during the quick power consumption of battery and mend electricity timely, or when battery electric quantity is higher, still start benefit Electricity Functional.
The intelligent charge time is fixed: mend the state of charge not monitoring low tension battery in electric process, mends the electricity time and fixes, exists
Mend electricity overlong time or too short defect.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, the first of the present invention purpose is to propose the charge control method of a kind of low tension battery for vehicle, should
Method, when timing time reaches wakeup time, is confirmed whether to carry out by judging the current voltage of low tension battery
Charging, such that it is able to be charged according to low tension battery actual demand, and can reduce the standing loss of car load.
The second object of the present invention is to propose the charge control system of a kind of low tension battery for vehicle.
The third object of the present invention is to propose a kind of vehicle.
For achieving the above object, first aspect present invention embodiment proposes the charging control of a kind of low tension battery for vehicle
Method processed, described vehicle includes entire car controller, DC/DC changer, high-voltage battery system and vehicle body control unit, described
Entire car controller respectively with the cell tube in described vehicle body control unit, described DC/DC changer and described high-voltage battery system
Reason device communicates, and described DC/DC changer is for turning the high-tension electricity that the electrokinetic cell in described high-voltage battery system exports
Being changed to low tension to supply described low tension battery, described charge control method comprises the following steps: enter quiet at described vehicle
After configuration state, described entire car controller enters low-power consumption timing mode, and starts timing；When timing time reaches described car load
During the wakeup time stored in controller, waking up described entire car controller up, described entire car controller detects described low tension battery
Current voltage, and judge that the current voltage of described low tension battery is whether less than or equal to the low electricity voltage threshold preset；As
The current voltage of the most described low tension battery is less than or equal to the low electricity voltage threshold preset, described in described vehicle control unit controls
DC/DC changer is operated, to be charged described low tension battery.
The charge control method of the low tension battery for vehicle according to embodiments of the present invention, after vehicle enters static condition,
Entire car controller enters low-power consumption timing mode, and starts timing, and in timing time reaches entire car controller, storage wakes up up
During the time, wake up entire car controller, the current voltage of entire car controller detection low tension battery up, and judge low tension battery
Whether current voltage is less than or equal to the low electricity voltage threshold preset, if the current voltage of low tension battery is less than or equal to presetting
Low electricity voltage threshold, vehicle control unit controls DC/DC changer is operated, to be charged low tension battery.
Thus, the method is when timing time reaches wakeup time, by judging the current voltage of low tension battery to confirm
Whether be charged, such that it is able to be charged according to low tension battery actual demand, and the standing that can reduce car load is damaged
Consumption.
It addition, can also have following additional according to the charge control method of the above-mentioned low tension battery for vehicle of the present invention
Technical characteristic:
In one embodiment of the invention, when described in described vehicle control unit controls, DC/DC changer is operated, also
Including: described in the forward engine room lid condition adjudgement of the described vehicle that described entire car controller detects according to described vehicle body control unit
Whether the forward engine room lid of vehicle is opened；If it is determined that the forward engine room lid of described vehicle is opened, described entire car controller then forbids institute
State DC/DC changer to be operated.
In one embodiment of the invention, when described low tension battery is charged by described DC/DC changer, also wrap
Include: described entire car controller obtains the operating current of described DC/DC changer, and judges the work of described DC/DC changer
Whether electric current is less than the current threshold preset；If the operating current of described DC/DC changer is less than the current threshold preset,
Described entire car controller then judges described low tension battery charging complete, and controls described DC/DC changer and quit work.
In one embodiment of the invention, after described low tension battery charging complete, described in described vehicle control unit controls
Electricity under vehicle, and wake up up according to the current voltage of described low tension battery and the car load quiescent dissipation calculating next round of described vehicle
Time needed for described entire car controller also stores to update the wakeup time of storage in described entire car controller.
In one embodiment of the invention, when the current voltage of described low tension battery is more than the low electricity voltage threshold preset
Time, described entire car controller calculates next according to the current voltage of described low tension battery and the car load quiescent dissipation of described vehicle
Take turns the time needed for waking up described entire car controller up and store to update the wakeup time of storage in described entire car controller.
In one embodiment of the invention, after described entire car controller enters low-power consumption timing mode, if described car load
Controller receives and wakes up instruction up, and vehicle described in described vehicle control unit controls enters and wakes up, with described, the Working mould that instruction is corresponding up
Formula, and control electricity under described vehicle described and described waking up up after mode of operation corresponding to instruction terminates, and at described vehicle
Default wakeup time is obtained to update the wakeup time of storage in described entire car controller after lower electricity.
For achieving the above object, second aspect present invention embodiment proposes the charging control of a kind of low tension battery for vehicle
System processed, including entire car controller, DC/DC changer, high-voltage battery system and vehicle body control unit, described full-vehicle control
Device is carried out with the battery manager in described vehicle body control unit, described DC/DC changer and described high-voltage battery system respectively
Communication, described entire car controller is connected with described low tension battery, described DC/DC changer respectively with described low tension battery
Being connected with described high-voltage battery system, wherein, described DC/DC changer, for by the power in described high-voltage battery system
The high-tension electricity of battery output is converted to low tension to supply described low tension battery；Described vehicle body control unit, is used for detecting institute
State the forward engine room lid state of vehicle；In described entire car controller, storage has wakeup time, and described entire car controller is at described vehicle
Enter low-power consumption timing mode after entering static condition, and start timing, and reach the wakeup time of storage at timing time
Time, described entire car controller automatically wakens up, and described entire car controller detects the current voltage of described low tension battery, and judges
Whether the current voltage of described low tension battery is less than or equal to the low electricity voltage threshold preset, and at described low tension battery
Current voltage less than or equal to the low electricity voltage threshold preset time control described DC/DC changer and be operated, with to described
Low tension battery is charged.
The charge control system of the low tension battery for vehicle according to embodiments of the present invention, entire car controller enters at vehicle
Enter low-power consumption timing mode after static condition, and start timing, and when timing time reaches the wakeup time of storage,
Entire car controller automatically wakens up, the current voltage of entire car controller detection low tension battery, and judges the current of low tension battery
Whether voltage is less than or equal to the low electricity voltage threshold preset, and at the current voltage of low tension battery less than or equal to presetting
Control DC/DC changer during low electricity voltage threshold to be operated, so that low tension battery to be charged.Thus, this system
When timing time reaches wakeup time, by judging to be confirmed whether to be charged to the current voltage of low tension battery,
Such that it is able to be charged according to low tension battery actual demand, and the standing loss of car load can be reduced.
The charge control system of the above-mentioned low tension battery for vehicle, it is also possible to there is following additional technical characteristic:
In one embodiment of the invention, when controlling described DC/DC changer and being operated, described entire car controller is also
Described in the forward engine room lid condition adjudgement of the described vehicle detected according to described vehicle body control unit, whether the forward engine room lid of vehicle is opened
Open, and described entire car controller forbids that described DC/DC changer is operated when the forward engine room lid of described vehicle is opened.
In one embodiment of the invention, when described low tension battery is charged by described DC/DC changer, described
Entire car controller also obtains the operating current of described DC/DC changer, and judges that the operating current of described DC/DC changer is
No less than the current threshold preset, and described in when the operating current of described DC/DC changer is less than the current threshold preset
Entire car controller judges described low tension battery charging complete, and controls described DC/DC changer and quit work.
In one embodiment of the invention, after described low tension battery charging complete, described in described vehicle control unit controls
Electricity under vehicle, and wake up up according to the current voltage of described low tension battery and the car load quiescent dissipation calculating next round of described vehicle
Time needed for described entire car controller also stores to update the wakeup time of storage in described entire car controller；Or when described
When the current voltage of low tension battery is more than the low electricity voltage threshold preset, described entire car controller is according to described low pressure electric power storage
The current voltage in pond and the car load quiescent dissipation of described vehicle calculate the time needed for next round wakes up described entire car controller up and deposit
Store up to update the wakeup time of storage in described entire car controller.
In one embodiment of the invention, after described entire car controller enters low-power consumption timing mode, if described car load
Controller receives and wakes up instruction up, and vehicle described in described vehicle control unit controls enters and wakes up, with described, the Working mould that instruction is corresponding up
Formula, and control electricity under described vehicle described and described waking up up after mode of operation corresponding to instruction terminates, and at described vehicle
Default wakeup time is obtained to update the wakeup time of storage in described entire car controller after lower electricity.
To achieve these goals, third aspect present invention embodiment proposes a kind of vehicle and includes: second aspect present invention is real
Execute the charge control system of the low tension battery for vehicle of example.
The vehicle of the embodiment of the present invention, by the charge control system of above-mentioned low tension battery, reaches to wake up up at timing time
During the time, by judging to be confirmed whether to be charged to the current voltage of low tension battery, such that it is able to according to low pressure
Accumulator actual demand is charged, and can reduce the standing loss of car load.
The advantage of the aspect that the present invention adds will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is according to an embodiment of the invention for the flow chart of charge control method of low tension battery of vehicle.
Fig. 2 is in accordance with another embodiment of the present invention for the flow chart of charge control method of low tension battery of vehicle.
Fig. 3 is according to an embodiment of the invention for the block diagram of charge control system of low tension battery of vehicle.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
The vehicle proposed according to embodiments of the present invention and the charging of the low tension battery for vehicle are described with reference to the accompanying drawings
Control method and system.
Fig. 1 is according to an embodiment of the invention for the flow chart of charge control method of low tension battery of vehicle.
In an embodiment of the present invention, vehicle includes entire car controller, DC/DC changer, high-voltage battery system and Body Control
Unit, entire car controller enters with the battery manager in vehicle body control unit, DC/DC changer and high-voltage battery system respectively
Row communication, DC/DC changer for by high-voltage battery system electrokinetic cell export high-tension electricity be converted to low tension for
To low tension battery.
As it is shown in figure 1, the charge control method of this low tension battery being used for vehicle comprises the following steps:
S1, after vehicle enters static condition, entire car controller enters low-power consumption timing mode, and starts timing.
S2, when the wakeup time of storage during timing time reaches entire car controller, wakes up entire car controller, entire car controller up
The current voltage of detection low tension battery, and judge that whether the current voltage of low tension battery is less than or equal to the low electricity electricity preset
Pressure threshold value.Wherein, the low electricity voltage threshold preset can be demarcated according to practical situation, it is also possible to when being vehicle release
Low electricity voltage threshold set in advance.
In an embodiment of the present invention, above-mentioned wakeup time can be the car load of the current voltage according to low tension battery and vehicle
Quiescent dissipation is calculated.
S3, if the current voltage of low tension battery is less than or equal to the low electricity voltage threshold preset, vehicle control unit controls
DC/DC changer is operated, to be charged low tension battery.
Specifically, when vehicle enters static condition, entire car controller is according to the current voltage of low tension battery and last car
The car load quiescent dissipation of vehicle when entering static condition calculates wakeup time and stores, such as, be stored in full-vehicle control
In the memory space of device, then entire car controller enters low-power consumption timing mode, and starts timing.When timing time reaches whole
During the wakeup time stored in vehicle controller, entire car controller automatically wakens up, then entire car controller detection low tension battery
Current voltage, and judge that whether the current voltage of low tension battery is less than or equal to the low electricity voltage threshold preset.If it is low
The current voltage of pressure accumulator is less than or equal to the low electricity voltage threshold preset, then entire car controller wakes up DC/DC changer up,
And control DC/DC changer and be operated, so that low tension battery is charged.Thus, when timing time reaches to wake up up
Between time, by judging to be confirmed whether to be charged to the current voltage of low tension battery, such that it is able to according to low pressure store
Battery actual demand is charged, and can reduce the standing loss of car load.
It is to be appreciated that memory space described in this embodiment is not limited only to memory space based on entity, such as, firmly
Dish, above-mentioned memory space can also is that the memory space (cloud storage space) of the network hard disc of entire car controller.
In one embodiment of the invention, when the current voltage of low tension battery is more than the low electricity voltage threshold preset,
Entire car controller calculates next round according to the current voltage of low tension battery and the car load quiescent dissipation of vehicle and wakes up entire car controller up
The required time also stores to update the wakeup time of storage in entire car controller.
It is to say, when timing time reaches wakeup time, entire car controller automatically wakens up, and detects low tension battery
Current voltage.If the current voltage of low tension battery is less than or equal to the low electricity voltage threshold preset, then entire car controller
Control DC/DC changer to work so that low tension battery to be charged；If the current voltage of low tension battery is more than default
Low electricity voltage threshold, then under entire car controller calculates according to the current voltage of low tension battery and the car load quiescent dissipation of vehicle
One takes turns the time needed for waking up entire car controller up and stores to update the wakeup time of storage in entire car controller, such that it is able to root
Carry out mending electricity, such as, when the quick power consumption of low tension battery, it is possible to make low pressure electric power storage to low tension battery according to practical situation
Pond obtains and mends electricity timely, improves the intelligent management to low tension battery.And, effectively solve because not monitoring car
The current status of low tension battery, determines when to carry out low tension battery mending electricity, the low pressure electric power storage existed with empirical value
Cannot obtain during the quick power consumption in pond and mend electricity timely, and when low tension battery electricity is the lowest, still start the problem mending Electricity Functional.
In an embodiment of the present invention, entire car controller automatically wakens up, and is estimated by the current voltage of detection low tension battery
Calculate the current electric quantity of low tension battery, be not related to miscellaneous part, and without upper high pressure, not only ensure that the intelligence of functional realiey
Change, summary, and reduce the low pressure loss of car load.
According to one embodiment of present invention, when low tension battery is charged by DC/DC changer, also include: car load
Controller obtains the operating current of DC/DC changer, and judges that whether the operating current of DC/DC changer is less than the electricity preset
Stream threshold value；If the operating current of DC/DC changer is less than the current threshold preset, entire car controller then judges low pressure electric power storage
Pond charging complete, and control DC/DC changer and quit work.Wherein, the current threshold preset can enter according to practical situation
Rower is fixed, it is also possible to current threshold set in advance when being vehicle release.Such that it is able to according to the work electricity of DC/DC changer
Stream judges whether low tension battery has been completed charging, effectively solves during low tension battery is charged and does not supervises
The current status of control low tension battery, the low tension battery existed stops charging when underfill electricity, and low tension battery is
The problem continuing charging when fully charged.
Further, after low tension battery charging complete, electricity under vehicle control unit controls vehicle, and according to low tension battery
Current voltage and time storing of calculating needed for next round wakes up entire car controller up of the car load quiescent dissipation of vehicle update whole
The wakeup time of storage in vehicle controller.Thus, the intelligent management to low tension battery is further enhanced.
In an embodiment according to invention, after entire car controller enters low-power consumption timing mode, if entire car controller connects
Receiving and wake up instruction up, vehicle control unit controls vehicle enters and wakes up mode of operation corresponding to instruction up, and with wake up up instruct right
The mode of operation answered controls electricity under vehicle after terminating, and obtains default wakeup time under vehicle after electricity to update car load control
The wakeup time of storage in device processed.Wherein, the wakeup time preset can be demarcated according to practical situation, it is also possible to is car
Wakeup time set in advance when dispatching from the factory, such as, the wakeup time preset can be 30 minutes.
In order to improve the safety of charging process, in one embodiment of the invention, become in vehicle control unit controls DC/DC
When parallel operation is operated, also include the forward engine room lid condition adjudgement of the vehicle that entire car controller detects according to vehicle body control unit
Whether the forward engine room lid of vehicle is opened, if it is determined that the forward engine room lid of vehicle is opened, entire car controller then forbids that DC/DC converts
Device is operated.Thus, in charging process, when current cabin cover is unlocked, forbid that DC/DC changer is operated,
Thus it is effectively prevented the state owing to not monitoring vehicle forward engine room lid, cause when vehicle forward engine room lid is opened, and DC/DC
When changer is still in duty, on the premise of without prompting function, remove low tension battery positive wire and be placed on vehicle body
The part of metal, the danger of vehicle generation low-voltage short-circuiting, and then improve safety.
Further, after entire car controller forbids that DC/DC changer is operated, if the forward engine room lid of vehicle is closed
Closing, entire car controller then recovers DC/DC changer and is operated, and continues to charge to vehicle low tension battery, thus, protects
Demonstrate,prove the integrity mending Electricity Functional.
In an embodiment of the present invention, forbid, at entire car controller, the period that DC/DC changer is operated, if car load control
Device processed receives and wakes up instruction up, then vehicle control unit controls vehicle enters and instructs corresponding mode of operation with waking up up, and with call out
The mode of operation of instruction correspondence of waking up controls electricity under vehicle after terminating, and obtains default wakeup time (example under vehicle after electricity
As, 30 minutes) to update the wakeup time of storage in entire car controller.
It addition, forbid, at entire car controller, the period that DC/DC changer is operated, call out if entire car controller does not receives
Wake up and instruct, then whether the forward engine room lid of real-time judge vehicle is closed, and thus, ensure that further and mends the complete of Electricity Functional
Property.
For make those skilled in the art more clearly understand the present invention, Fig. 2 be according to one concrete example of the present invention for car
The flow chart of charge control method of low tension battery.As in figure 2 it is shown, the charging control process of low tension battery can wrap
Include following steps:
S101, vehicle enters static condition.
S102, VCU (Vehicle Control Unit, entire car controller) enter low-power consumption timing mode.
S103, it is judged that whether entire car controller receives wakes up instruction up.If it is, perform step S114；If it does not, perform
Step S104.
S104, it is judged that whether timing time reaches the wakeup time of storage in entire car controller.If it is, perform step S105；
If it does not, return step S102.
S105, entire car controller automatically wakens up, and detects the current voltage of low tension battery.
S106, it is judged that whether the current voltage of low tension battery is less than or equal to the low electricity voltage threshold preset.If it is, hold
Row step S107；If it does not, perform step S113.It is understood that when the electricity of low tension battery tails off, accordingly
The magnitude of voltage of low tension battery and current value also can diminish, therefore can be by judging the current voltage of low tension battery or low
The size of the current flow of pressure accumulator determines the current electric quantity of low tension battery, and the need of being charged.
S107, vehicle control unit controls DC/DC changer is operated, to be charged low tension battery.
S108, it is judged that whether the forward engine room lid of vehicle is opened.If it is, perform step S117；If it does not, perform step S109.
S109, it is judged that whether the operating current of DC/DC changer is less than the current threshold preset.If it is, perform step S110,
If it does not, return step S109.
S110, entire car controller cancellation DC/DC changer enables, i.e. DC/DC changer quits work, and charging terminates.
S111, it is judged that whether entire car controller receives wakes up instruction up.If it is, perform step S114；If it does not, perform
Step S112.
S112, electricity under vehicle control unit controls vehicle.
S113, entire car controller calculates next round according to the current voltage of low tension battery and the car load quiescent dissipation of vehicle and wakes up up
Time needed for entire car controller also stores to update the wakeup time of storage in entire car controller.
S114, car load enters other mode of operations (waking up the mode of operation that instruction is corresponding up).
S115, it is judged that whether other mode of operations (waking up the mode of operation that instruction is corresponding up) terminate.If it is, execution step
S106；If it does not, return step S114.
S116, controls electricity under vehicle, and obtains default wakeup time (such as, 30 minutes) under vehicle after electricity with more
The wakeup time of storage in new entire car controller.
S117, entire car controller then forbids that DC/DC changer is operated.
S118, it is judged that whether entire car controller receives wakes up instruction up.If it is, return step S114；If it does not, return
Step S108.
The charge control method of the low tension battery for vehicle according to embodiments of the present invention, after vehicle enters static condition,
Entire car controller enters low-power consumption timing mode, and starts timing, and in timing time reaches entire car controller, storage wakes up up
During the time, wake up entire car controller, the current voltage of entire car controller detection low tension battery up, and judge low tension battery
Whether current voltage is less than or equal to the low electricity voltage threshold preset, if the current voltage of low tension battery is less than or equal to presetting
Low electricity voltage threshold, vehicle control unit controls DC/DC changer is operated, to be charged low tension battery.
Thus, the method is when timing time reaches wakeup time, by judging the current voltage of low tension battery to confirm
Whether be charged, such that it is able to be charged according to low tension battery actual demand, and the standing that can reduce car load is damaged
Consumption.
Fig. 3 is according to an embodiment of the invention for the block diagram of charge control system of low tension battery of vehicle.
As it is shown on figure 3, the charge control system of this low tension battery being used for vehicle includes: entire car controller 100, DC/DC
Changer 200, high-voltage battery system 300 and vehicle body control unit 400.Wherein, entire car controller 100 respectively with vehicle body control
Battery manager 310 in unit 400 processed, DC/DC changer 200 and high-voltage battery system 300 communicates, car load control
Device 100 processed is connected with low tension battery 500, DC/DC changer 200 respectively with low tension battery 500 and high-tension battery system
System 600 is connected.
Specifically, DC/DC changer 200, for the high-tension electricity conversion exported by the electrokinetic cell in high-voltage battery system 600
For low tension to supply low tension battery 500；Vehicle body control unit 400, for detecting the forward engine room lid state of vehicle；Car load
In controller 100, storage has wakeup time, and entire car controller 100 enters low-power consumption timing mould after vehicle enters static condition
Formula, and start timing, and when timing time reaches the wakeup time of storage, entire car controller 100 automatically wakens up, whole
Vehicle controller 100 detects the current voltage of low tension battery 500, and judges that the current voltage of low tension battery 500 is the least
In equal to preset low electricity voltage threshold, and low tension battery 500 current voltage less than or equal to preset low electricity
Control DC/DC changer 200 during voltage threshold to be operated, so that low tension battery 500 to be charged.Wherein, preset
Low electricity voltage threshold can demarcate according to practical situation.
In an embodiment of the present invention, above-mentioned wakeup time can be the current voltage according to low tension battery 500 and vehicle
Car load quiescent dissipation is calculated.
Specifically, when vehicle enters static condition, entire car controller 100 according to the current voltage of low tension battery 500 and
The car load quiescent dissipation of vehicle when last vehicle enters static condition calculates wakeup time and stores, such as, be stored in
In the memory space of entire car controller 100, then entire car controller 100 enters low-power consumption timing mode, and starts timing.
When the wakeup time of storage during timing time reaches entire car controller 100, entire car controller 100 automatically wakens up, the most whole
Vehicle controller 100 detects the current voltage of low tension battery, and judges whether the current voltage of low tension battery is less than or equal to
The low electricity voltage threshold preset.If the current voltage of low tension battery is less than or equal to the low electricity voltage threshold preset,
Then entire car controller 100 wakes up high-voltage battery system 600 up by bus and controls car load entrance high pressure connection status, Yi Jitong
Cross bus and wake up DC/DC changer 200 up, and control DC/DC changer 200 and be operated, with to low tension battery 500
It is charged.Thus, when timing time reaches wakeup time, by the current voltage of low tension battery 500 is sentenced
Disconnected to be confirmed whether to be charged, such that it is able to be charged according to low tension battery 500 actual demand, and can reduce
The standing loss of car load.
It is to be appreciated that memory space described in this embodiment is not limited only to memory space based on entity, such as, firmly
Dish, above-mentioned memory space can also is that the memory space (cloud storage space) of the network hard disc of entire car controller 100.
Further, this embodiment use only entire car controller 100 and wake up DC/DC changer 200 up and just can complete
Detection to low tension battery 500, and judge whether to need low tension battery 500 is charged according to testing result, with
And when judging to need charging, low tension battery 500 is charged, thus saves controller resource.
In one embodiment of the invention, when the current voltage of low tension battery 500 is more than the low electricity voltage threshold preset
Time, entire car controller 100 calculates next round according to the current voltage of low tension battery 500 and the car load quiescent dissipation of vehicle and calls out
Wake up time needed for entire car controller 100 store to update the wakeup time of storage in entire car controller 100.
It is to say, when timing time reaches wakeup time, entire car controller 100 automatically wakens up, and detect low pressure electric power storage
The current voltage in pond 500.If the current voltage of low tension battery 500 is less than or equal to the low electricity voltage threshold preset,
Then entire car controller 100 controls DC/DC changer 200 and works to be charged low tension battery 500；If low pressure stores
The current voltage of battery 500 is more than the low electricity voltage threshold preset, then entire car controller 100 is according to low tension battery 500
Current voltage and vehicle car load quiescent dissipation calculate next round wake up entire car controller 100 up needed for time and store with more
The wakeup time of storage in new entire car controller 100, such that it is able to carry out mending electricity to low tension battery 500 according to practical situation,
Such as, when low tension battery 500 quick power consumption, it is possible to make low tension battery 500 obtain timely and mend electricity, improve
Intelligent management to low tension battery 500.And, effectively solve the electricity because not monitoring vehicle low tension battery 500
Stream mode, determines when to carry out low tension battery 500 mending electricity with empirical value, and the low tension battery 500 existed quickly consumes
Cannot obtain during electricity and mend electricity timely, and when low tension battery 500 electricity is the lowest, still start the problem mending Electricity Functional.
In an embodiment of the present invention, entire car controller 100 automatically wakens up, and by detecting the current of low tension battery 500
Voltage estimates the current electric quantity of low tension battery, is not related to miscellaneous part, and without upper high pressure, not only ensure that function is real
Existing intellectuality, summary, and reduce the low pressure loss of car load.
According to one embodiment of present invention, when low tension battery 500 is charged by DC/DC changer 200, car load
Controller 100 also obtains the operating current of DC/DC changer 200, and judges that the operating current of DC/DC changer 200 is
No less than the current threshold preset, and the car load when the operating current of DC/DC changer 200 is less than the current threshold preset
Controller 100 judges low tension battery 500 charging complete, and controls DC/DC changer 200 and quit work.Wherein, in advance
If current threshold can demarcate according to practical situation.Such that it is able to sentence according to the operating current of DC/DC changer 200
Whether disconnected low tension battery 500 has been completed charging, effectively solves during low tension battery 500 is charged
Not monitoring the current status of low tension battery 500, the low tension battery 500 existed stops charging when underfill electricity, and
The problem that low tension battery 500 continues charging when filling with electricity.
Further, after low tension battery 500 charging complete, entire car controller 100 controls electricity under vehicle, and according to low
The car load quiescent dissipation of the pressure current voltage of accumulator 500 and vehicle calculate next round wake up up needed for entire car controller 100 time
Between and store to update the wakeup time of storage in entire car controller 100.Thus, further enhance low tension battery
Intelligent management.
In an embodiment according to invention, after entire car controller 100 enters low-power consumption timing mode, if full-vehicle control
Device 100 receives and wakes up instruction up, and entire car controller 100 controls vehicle entrance and instructs corresponding mode of operation with waking up up, and
The mode of operation corresponding with waking up instruction up controls electricity under vehicle after terminating, and obtains default wakeup time under vehicle after electricity
To update the wakeup time of storage in entire car controller 100.Wherein, the wakeup time preset can be carried out according to practical situation
Demarcating, such as, the wakeup time preset can be 30 minutes.
In order to improve the safety of charging process, in one embodiment of the invention, enter at control DC/DC changer 200
During row work, the forward engine room lid condition adjudgement car of the vehicle that entire car controller 100 detects always according to vehicle body control unit 400
Forward engine room lid whether open, and vehicle forward engine room lid open time entire car controller 100 forbid DC/DC changer 200
It is operated, thus is effectively prevented the state owing to not monitoring vehicle forward engine room lid, cause when vehicle forward engine room lid is opened,
And DC/DC changer 200 still in duty time, on the premise of without prompting function, remove low tension battery 500 just
Polar conductor is placed on the part of vehicle body metal, the danger of vehicle generation low-voltage short-circuiting, and then improves safety.
Further, after entire car controller 100 forbids that DC/DC changer 200 is operated, if Body Control list
Unit 400 detects that the forward engine room lid of vehicle is closed, and entire car controller 100 then recovers DC/DC changer 200 and is operated,
And continue to charge to vehicle low tension battery 500, thereby it is ensured that mend the integrity of Electricity Functional.
In an embodiment of the present invention, forbid, at entire car controller 100, the period that DC/DC changer 200 is operated, as
Really entire car controller 100 receives and wakes up instruction up, then entire car controller 100 controls the work that vehicle entrance is corresponding with waking up instruction up
Operation mode, and after the mode of operation corresponding with waking up instruction up terminates, control electricity under vehicle, and obtain pre-under vehicle after electricity
If wakeup time (such as, 30 minutes) to update in entire car controller 100 wakeup time of storage.
It addition, forbid, at entire car controller 100, the period that DC/DC changer 200 is operated, if entire car controller 100
Do not receive and wake up instruction up, then whether the forward engine room lid of real-time judge vehicle is closed, and thus, ensure that benefit electricity further
The integrity of function.For making those skilled in the art more clearly understand the present invention, the charging control process of low tension battery is such as
Shown in Fig. 2.
The charge control system of the low tension battery for vehicle according to embodiments of the present invention, entire car controller enters at vehicle
Enter low-power consumption timing mode after static condition, and start timing, and when timing time reaches the wakeup time of storage,
Entire car controller automatically wakens up, the current voltage of entire car controller detection low tension battery, and judges the current of low tension battery
Whether voltage is less than or equal to the low electricity voltage threshold preset, and at the current voltage of low tension battery less than or equal to presetting
Control DC/DC changer during low electricity voltage threshold to be operated, so that low tension battery to be charged.Thus, this system
When timing time reaches wakeup time, by judging to be confirmed whether to be charged to the current voltage of low tension battery,
Such that it is able to be charged according to low tension battery actual demand, and the standing loss of car load can be reduced.
The vehicle of the embodiment of the present invention includes that the charging of the low tension battery for vehicle of any of the above-described embodiment of the present invention controls
System.
The vehicle of the embodiment of the present invention, by the charge control system of above-mentioned low tension battery, reaches to wake up up at timing time
During the time, by judging to be confirmed whether to be charged to the current voltage of low tension battery, such that it is able to according to low pressure
Accumulator actual demand is charged, and can reduce the standing loss of car load.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ",
" outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " etc. instruction orientation or position relationship be based on
Orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or hint institute
The device that refers to or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
Bright restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or
Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, ability
The feature of the different embodiments described in this specification or example and different embodiment or example can be entered by the technical staff in territory
Row combines and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (12)
1. the charge control method for the low tension battery of vehicle, it is characterised in that described vehicle includes full-vehicle control
Device, DC/DC changer, high-voltage battery system and vehicle body control unit, described entire car controller respectively with described Body Control
Battery manager in unit, described DC/DC changer and described high-voltage battery system communicates, and described DC/DC converts
Device is for being converted to low tension to supply described low pressure electric power storage by the high-tension electricity that the electrokinetic cell in described high-voltage battery system exports
Pond, described charge control method comprises the following steps:
After described vehicle enters static condition, described entire car controller enters low-power consumption timing mode, and starts timing；
When the wakeup time of storage during timing time reaches described entire car controller, wake up described entire car controller up, described whole
Vehicle controller detects the current voltage of described low tension battery, and judges whether the current voltage of described low tension battery is less than
In default low electricity voltage threshold；
If the current voltage of described low tension battery is less than or equal to the low electricity voltage threshold preset, described entire car controller control
Make described DC/DC changer to be operated, so that described low tension battery to be charged.
2. the charge control method of the low tension battery for vehicle as claimed in claim 1, it is characterised in that described
When described in vehicle control unit controls, DC/DC changer is operated, also include:
Car described in the forward engine room lid condition adjudgement of the described vehicle that described entire car controller detects according to described vehicle body control unit
Forward engine room lid whether open；
If it is determined that the forward engine room lid of described vehicle is opened, described entire car controller then forbids that described DC/DC changer carries out work
Make.
3. the charge control method of the low tension battery for vehicle as claimed in claim 1 or 2, it is characterised in that
When described low tension battery is charged by described DC/DC changer, also include:
Described entire car controller obtains the operating current of described DC/DC changer, and judges the work of described DC/DC changer
Whether electric current is less than the current threshold preset；
If the operating current of described DC/DC changer is less than the current threshold preset, described entire car controller then judges described
Low tension battery charging complete, and control described DC/DC changer and quit work.
4. the charge control method of the low tension battery for vehicle as claimed in claim 3, it is characterised in that described
After low tension battery charging complete, electricity under vehicle described in described vehicle control unit controls, and working as according to described low tension battery
The car load quiescent dissipation of front voltage and described vehicle calculates the time needed for next round wakes up described entire car controller up and stores with more
The wakeup time of storage in new described entire car controller.
5. the charge control method of the low tension battery for vehicle as claimed in claim 1, it is characterised in that when described
When the current voltage of low tension battery is more than the low electricity voltage threshold preset, described entire car controller is according to described low pressure electric power storage
The current voltage in pond and the car load quiescent dissipation of described vehicle calculate the time needed for next round wakes up described entire car controller up and deposit
Store up to update the wakeup time of storage in described entire car controller.
6. the charge control method of the low tension battery for vehicle as according to any one of claim 1-5, its feature exists
In, after described entire car controller enters low-power consumption timing mode, if described entire car controller receives wakes up instruction up, institute
State vehicle entrance described in vehicle control unit controls and wake up, with described, the mode of operation that instruction is corresponding up, and wake up finger up described and described
The mode of operation of order correspondence controls electricity under described vehicle after terminating, and obtains default wakeup time under described vehicle after electricity
To update the wakeup time of storage in described entire car controller.
7. the charge control system for the low tension battery of vehicle, it is characterised in that include entire car controller, DC/DC
Changer, high-voltage battery system and vehicle body control unit, described entire car controller respectively with described vehicle body control unit, described
Battery manager in DC/DC changer and described high-voltage battery system communicates, described entire car controller and described low pressure
Accumulator is connected, and described DC/DC changer is connected with described low tension battery and described high-voltage battery system respectively, wherein,
Described DC/DC changer, for being converted to low pressure by the high-tension electricity that the electrokinetic cell in described high-voltage battery system exports
Electricity is to supply described low tension battery；
Described vehicle body control unit, for detecting the forward engine room lid state of described vehicle；
In described entire car controller, storage has wakeup time, and described entire car controller enters after described vehicle enters static condition
Low-power consumption timing mode, and start timing, and when timing time reaches the wakeup time of storage, described entire car controller
Automatically wakening up, described entire car controller detects the current voltage of described low tension battery, and judges working as of described low tension battery
Whether front voltage is less than or equal to the low electricity voltage threshold preset, and is less than or equal at the current voltage of described low tension battery
Control described DC/DC changer during the low electricity voltage threshold preset to be operated, so that described low tension battery to be charged.
8. the charge control system of the low tension battery for vehicle as claimed in claim 7, it is characterised in that controlling
When described DC/DC changer is operated, the described car that described entire car controller detects always according to described vehicle body control unit
Forward engine room lid condition adjudgement described in the forward engine room lid of vehicle whether open, and open time institute at the forward engine room lid of described vehicle
State entire car controller and forbid that described DC/DC changer is operated.
9. it is used for the charge control system of the low tension battery of vehicle as claimed in claim 7 or 8, it is characterised in that
When described low tension battery is charged by described DC/DC changer, described entire car controller also obtains described DC/DC conversion
The operating current of device, and judge whether the operating current of described DC/DC changer is less than the current threshold preset, and in institute
Less than described entire car controller during the current threshold preset, the operating current stating DC/DC changer judges that described low tension battery fills
Electricity completes, and controls described DC/DC changer and quit work.
10. the charge control system of the low tension battery for vehicle as claimed in claim 9, it is characterised in that
After described low tension battery charging complete, electricity under vehicle described in described vehicle control unit controls, and according to described low pressure
The current voltage of accumulator and the car load quiescent dissipation of described vehicle calculate next round and wake up the time needed for described entire car controller up
And store to update the wakeup time of storage in described entire car controller；Or
When the current voltage of described low tension battery is more than the low electricity voltage threshold preset, described entire car controller is according to institute
Needed for the car load quiescent dissipation calculating next round of the current voltage and described vehicle of stating low tension battery wakes up described entire car controller up
Time storing update the wakeup time of storage in described entire car controller.
The charge control system of 11. low tension batterys being used for vehicle as claimed in claim 7, it is characterised in that work as institute
After stating entire car controller entrance low-power consumption timing mode, if described entire car controller receives wakes up instruction up, described car load control
Device processed controls described vehicle and enters and described mode of operation corresponding to instruction that wake up up, and described and described wake up up instruct corresponding
Mode of operation controls electricity under described vehicle after terminating, and obtains default wakeup time under described vehicle after electricity to update institute
State the wakeup time of storage in entire car controller.
12. 1 kinds of vehicles, it is characterised in that include that the low pressure for vehicle as according to any one of claim 7-11 stores
The charge control system of battery.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331112.4A CN105922873B (en) | 2016-05-18 | 2016-05-18 | Vehicle and charging control method and system for low-voltage storage battery of vehicle |
| PCT/CN2016/103127 WO2017197832A1 (en) | 2016-05-18 | 2016-10-24 | Vehicle, and charging control method and system for low-voltage storage battery of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331112.4A CN105922873B (en) | 2016-05-18 | 2016-05-18 | Vehicle and charging control method and system for low-voltage storage battery of vehicle |
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| CN105922873A true CN105922873A (en) | 2016-09-07 |
| CN105922873B CN105922873B (en) | 2018-05-04 |
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| CN201610331112.4A Active CN105922873B (en) | 2016-05-18 | 2016-05-18 | Vehicle and charging control method and system for low-voltage storage battery of vehicle |
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| WO (1) | WO2017197832A1 (en) |
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| CN114905971B (en) * | 2022-05-20 | 2024-06-25 | 合众新能源汽车股份有限公司 | Electric automobile storage battery power supplementing method and device and vehicle |
| CN115476689A (en) * | 2022-09-27 | 2022-12-16 | 上汽通用五菱汽车股份有限公司 | Storage battery management system and method |
| CN117078326A (en) * | 2023-10-17 | 2023-11-17 | 深圳鹏城新能科技有限公司 | Lease charging method, system and medium for photovoltaic energy storage device |
| CN117078326B (en) * | 2023-10-17 | 2024-02-02 | 深圳鹏城新能科技有限公司 | Lease charging method, system and medium for photovoltaic energy storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105922873B (en) | 2018-05-04 |
| WO2017197832A1 (en) | 2017-11-23 |
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