CN106740120A - Low tension battery electric quantity controlling method and device - Google Patents
Low tension battery electric quantity controlling method and device Download PDFInfo
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- CN106740120A CN106740120A CN201611102971.2A CN201611102971A CN106740120A CN 106740120 A CN106740120 A CN 106740120A CN 201611102971 A CN201611102971 A CN 201611102971A CN 106740120 A CN106740120 A CN 106740120A
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- low tension
- tension battery
- battery
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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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
- 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
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention proposes a kind of low tension battery electric quantity controlling method and device, after the magnitude of voltage of acquisition low tension battery, if the magnitude of voltage of the low tension battery is less than predetermined voltage threshold, then send low pressure alarming information to subscriber terminal equipment, after obtaining the upper electric permission information that subscriber terminal equipment is sent according to the low pressure alarming information, control instruction is sent to high voltage power battery, controls high voltage power battery to be charged for low tension battery；Can be when low tension battery magnitude of voltage be less than predetermined voltage threshold by the low tension battery electric quantity controlling method, charged by high voltage power battery, maintain the balance of low tension battery voltage, it is ensured that the normal startup of the low voltage equipment such as Vehicle Electronic Control Unit.
Description
Technical field
The present invention relates to automobile power control field, more particularly to a kind of low tension battery electric quantity controlling method and device.
Background technology
Vehicle low tension battery refer to for Vehicle Electronic Control Unit (Electronic Control Unit, abbreviation ECU, and
Claim " car running computer ", " vehicle-mounted computer ") etc. low voltage equipment provide low-tension supply lead-acid accumulator, low tension battery storage
Used time, acidic electrolyte bath sinking, can not cause that pole plate upper and lower part produces potential difference, cause self discharge, if low tension battery discharges
When more serious, then the power supply to vehicle low voltage equipment can be influenceed, influence vehicle normally starts, and especially vehicle is shelved for a long time
Without some electronic control units of vehicle are still consuming the discharge current of low tension battery, cause depositing for vehicle dark current
In the low tension battery most probably therefore over-discharge of, vehicle, thus when influenceing vehicle to be launched low-voltage power supply equipment upper electricity,
Causing vehicle cannot normally start.
The content of the invention
Based on this, the present invention proposes a kind of low tension battery electric quantity controlling method and device, is able to maintain that low tension battery
Electric quantity balancing, it is ensured that the normal startup of the low voltage equipment such as Vehicle Electronic Control Unit.
A kind of low tension battery electric quantity controlling method, comprises the following steps：
Obtain the magnitude of voltage of low tension battery；
If the magnitude of voltage of the low tension battery is less than predetermined voltage threshold, low pressure alarming information to user terminal is sent
Equipment；
It is electric to high voltage power after obtaining the upper electric permission information that subscriber terminal equipment sends according to the low pressure alarming information
Pond sends control instruction, controls high voltage power battery to be charged for low tension battery.
A kind of low tension battery electric quantity control unit, including：
Magnitude of voltage acquisition module, the magnitude of voltage for obtaining low tension battery；
Low pressure alarming module, if being less than predetermined voltage threshold for the magnitude of voltage of the low tension battery, sends low pressure
Warning message is to subscriber terminal equipment；Charge control module, for obtaining subscriber terminal equipment according to the low pressure alarming information
After the upper electric permission information for sending, control instruction is sent to high voltage power battery, it is low tension battery to control high voltage power battery
Charge.
Above-mentioned low tension battery electric quantity controlling method and device, after obtaining the magnitude of voltage of vehicle low tension battery, if described
The magnitude of voltage of low tension battery is less than predetermined voltage threshold, then send low pressure alarming information to subscriber terminal equipment, illustrates low pressure
Accumulator electric-quantity is not enough, will be unable to provide operation power source for low voltage equipments such as Vehicle Electronic Control Units, then user
Terminal device sends upper electricity permission information according to the low pressure alarming information, and it is low-voltage-powered electricity to illustrate that subscriber terminal equipment is allowed
Pond is charged, and after obtaining the upper electric permission information that subscriber terminal equipment sends, control instruction is sent to high voltage power battery, and control is high
Pressure power battery charges for low tension battery, can be in low tension battery voltage by the low tension battery electric quantity controlling method
When value is less than predetermined voltage threshold, charged by high voltage power battery, maintain the balance of low tension battery voltage, it is ensured that car
The normal startup of the low voltage equipments such as electronic control unit.And the control method can be by the shape of the low tension battery of vehicle
State informs user by subscriber terminal equipment in time, and subscriber terminal equipment sends upper electricity and allows letter according to the low pressure alarming information
After breath, just allow to be charged for low tension battery, it is to avoid user is when intending to shelve vehicle for a long time, and high voltage power battery is always automatic
It is low tension battery, the service life of influence vehicle low tension battery and high voltage power battery.
Brief description of the drawings
Fig. 1 is the low tension battery electric quantity controlling method flow chart in one embodiment；
Fig. 2 is the structural representation of the vehicle control device in one embodiment；
Fig. 3 is the low tension battery electric quantity controlling method flow chart in another embodiment；
Fig. 4 is the low tension battery electric quantity controlling method flow chart in further embodiment；
Fig. 5 is the low tension battery electric quantity controlling method flow chart in another embodiment；
Fig. 6 is the low tension battery electric quantity controlling method flow chart in another embodiment；
Fig. 7 is the low tension battery electric quantity controlling method flow chart in another embodiment；
Fig. 8 is the low tension battery electric quantity controlling method flow chart in another embodiment；
Fig. 9 is the structural representation of the low tension battery electric quantity control unit in one embodiment；
Figure 10 is the structural representation of the charge control module in one embodiment.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is referred to, in one embodiment, a kind of low tension battery electric quantity controlling method is comprised the following steps：
S11：Obtain the magnitude of voltage of low tension battery；
S12：If the magnitude of voltage of the low tension battery is less than predetermined voltage threshold, low pressure alarming information to user is sent
Terminal device；
S13：After obtaining the upper electric permission information that subscriber terminal equipment is sent according to the low pressure alarming information, pressed to height
Power battery sends control instruction, controls high voltage power battery to be charged for low tension battery.
Low tension battery electric quantity controlling method of the invention is applicable to new-energy automobile and other pass through low pressure electric power storage
The vehicle that pond powers for the normal startup of the low voltage equipments such as Vehicle Electronic Control Unit, such as electric motor car or oil electricity mixing are dynamic
Power car etc..The battery of high voltage power supply is provided when high voltage power battery is for driving vehicle traveling, the voltage of high voltage power battery is high
In low tension battery.Low tension battery refers to the battery that power supply is provided for the low voltage equipment of vehicle, such as low tension battery
Can be powered for Vehicle Electronic Control Unit, usually, low tension battery voltage is lead-acid accumulator, the nickel radical battery of 12V or so
Or serondary lithium battery etc., the voltage of high voltage power battery is lithium battery of 312V or so etc..
Subscriber terminal equipment is the data terminal equipment for possessing data processing and human-computer interaction function, such as smart mobile phone.
Low pressure alarming information for low tension battery magnitude of voltage less than the warning message that predetermined voltage threshold sends, can be by radio communication
Mode such as bluetooth, WIFI, or low pressure alarming is sent to subscriber terminal equipment by mobile communication such as 2G/3G/4G/5G etc.
Information.Upper electric permission information receives the information sent after low pressure alarming information for subscriber terminal equipment, it is therefore an objective to allow high pressure
Electrokinetic cell charges for low tension battery, if because the upper electricity that the reasons such as signal transmission interruption do not obtain subscriber terminal equipment transmission is permitted
Perhaps information, then send low pressure alarming information once or twice to subscriber terminal equipment again, if not receiving upper electricity permission information yet,
No longer resend low pressure alarming information.Subscriber terminal equipment can manually be triggered by user or subscriber terminal equipment is triggered automatically
Mode send electric permission information.For example subscriber terminal equipment is smart mobile phone, possess the acquisition low pressure alarming information and
Electricity allows the client of informational function in transmission, and after subscriber terminal equipment receives low pressure alarming information, user passes through touch screen side
Formula sends the upper electric permission information.
Predetermined voltage threshold can be that can make the low voltage equipments such as Vehicle Electronic Control Unit by low tension battery
The normal minimum voltage critical value for starting, can set according to user's request.Illustrated below by an instantiation, for example in advance
If voltage threshold is 9V, if the magnitude of voltage for detecting low tension battery is 8V, low tension battery not enough power supply is illustrated, then send low
Pressure warning message.
Fig. 2 is referred to, the low tension battery electric quantity controlling method specifically can be by following controller and control mode reality
It is existing：Battery controller (BMS), high voltage power battery (figure including DC-DC controller, for obtaining battery charge state
Do not show), low tension battery, keyless access system (PEPS) and telematics box (TBOX) and the gateway for communicating
Equipment and subscriber terminal equipment.Low tension battery is connected with telematics box, DC-DC controller, low pressure electric power storage
Pond, battery controller, keyless access system and telematics box (TBOX) are connected with each other by gateway device.
Telematics box is used to obtain the magnitude of voltage of low tension battery, detects the magnitude of voltage of the low tension battery and is
It is no less than predetermined voltage threshold, if sending low pressure alarming information to subscriber terminal equipment less than if.Subscriber terminal equipment obtains institute
After stating low pressure alarming information, upper electricity permission information is sent to telematics box according to the low pressure alarming information, long-range letter
After breath handle box obtains upper electricity permission information, control instruction is sent to high voltage power battery, it is low pressure to control high voltage power battery
Battery charges.Specifically, telematics box control high voltage power battery passes through DC-DC controller by output
High-tension electricity is converted to low tension for low tension battery charges.
Fig. 3 is referred to, before obtaining the magnitude of voltage of low tension battery, is comprised the following steps：
S111：Obtain the running status of vehicle；
S112：If the running status of the vehicle is halted state, the magnitude of voltage of the low tension battery is detected.
The running status of vehicle includes driving states and halted state, represents that vehicle is currently at drive mode and car respectively
In the pattern lain idle.Specifically can in the following manner obtain the running status of vehicle：
Obtain the ignition key status of vehicle；
If the ignition key status are flameout state, the magnitude of voltage of the low tension battery is detected.
The ignition key status include OFF state and ON states, represent that vehicle is in flameout state and igniting shape respectively
State.After by telematics box vehicle ignition key state being judged for flameout state, the low tension battery is detected
Magnitude of voltage, vehicle be in flameout state when, illustrate vehicle standing without if time of repose is long, such as more than low pressure electric power storage
The specified time of repose in pond, then most probably influence vehicle low-voltage power supply equipment such as Vehicle Electronic Control Unit work because of over-discharge
Make, cause vehicle normally to start, be to be charged less than the low tension battery of predetermined voltage threshold in vehicle stall state, can
The normal startup of the low voltage equipment such as electronic control unit when ensureing that vehicle is in fired state.
Fig. 4 is referred to, in a kind of optional implementation method, before sending control instruction to high voltage power battery, including
Following steps：
S131：Obtain the state-of-charge of high voltage power battery；
S132：If the state-of-charge is more than preset critical, control instruction, control are sent to the high voltage power battery
High voltage power battery processed charges for low tension battery.
State-of-charge (State of Charge, also referred to as abbreviation SOC, dump energy), representative is that battery uses one section
Time or it is long-term lie idle after residual capacity and the capacity of its fully charged state ratio, its span is 0~1,
Represent that battery discharges completely as SOC=0, battery remaining power is 0, represent that battery is completely filled with as SOC=1.It is described
Preset critical is that high voltage power battery is the critical value that vehicle can be driven to travel minimum state-of-charge, below by a tool
Body example is illustrated, for example, preset critical is 0.25, when representing that the state-of-charge of high voltage power battery is less than 0.25, high pressure
The power supply capacity of electrokinetic cell weakens, it may be difficult to drive vehicle to travel, if the state-of-charge of detection high voltage power battery is 0.50,
Illustrate that the dump energy of high voltage power battery is 50%, the driving of vehicle do not influenceed, specifically can by telematics box with
And battery controller obtains the state-of-charge of electrokinetic cell, by the electric quantity balancing control method of above-mentioned low tension battery, can
For low tension battery charges in the case of low tension battery not enough power supply, to ensure the electric quantity balancing of low tension battery so that
The low voltage equipments such as the electronic control unit of vehicle can normally start, while not influenceing high tension battery to drive vehicle row again
Sail, possess reliability.
Fig. 4 is referred to, in a kind of optional implementation method, according to the power-up request acquisition of information high voltage power battery
State-of-charge after, if the state-of-charge be less than or equal to preset critical, can also by following steps be low pressure electric power storage
Charge in pond.
S133：If the state-of-charge is less than or equal to preset critical, control instruction, control hair are sent to engine
It is that the low tension battery charges and the high voltage power battery charges that motivation drives generator operation.
Vehicle provides the device of the energy in addition to high voltage power battery and low tension battery, and also including engine, engine is
The power generating apparatus of power are provided for vehicle, are an energy transfer mechanism, will gasoline (diesel oil) or natural gas heat energy,
By in sealing combustor inner cylinder gas expansion, promoting piston acting, it is changed into mechanical energy, then turn mechanical energy by generator
It is that high voltage power battery or low tension battery charge to be changed to electric energy.If the state-of-charge of high voltage power battery is less than or equal to
Preset critical, represents that the dump energy of high voltage power battery will be unable to drive vehicle traveling, then sending control to engine refers to
Order, controls driven by engine generator operation to be charged for high voltage power battery, by above-mentioned low tension battery electric quantity controlling method,
Can be when high voltage power battery dump energy deficiency and low tension battery magnitude of voltage be less than preset voltage value, by engine
It is that high voltage power battery and low tension battery charge to drive generator so that vehicle being capable of driven, it is ensured that low pressure electric power storage
The electric quantity balancing in pond so that the low voltage equipment such as electronic control unit of vehicle can normally start, and possess reliability.
Additionally, for oil and electricity hybrid vehicle, if the state-of-charge is more than preset critical, can also be sent to engine
Control instruction, controls the driven by engine generator to be charged for low tension battery.High voltage power battery electric quantity is limited, and electricity is not
Foot is needed to charge, and discharge and recharge can often influence service life, and high voltage power battery can be as far as possible reduced by the control method
Access times, increase its service life.
Fig. 5 is referred to, in one embodiment, driven by engine generator operation is controlled for the low tension battery and described
Before high voltage power battery charges, comprise the following steps：
S1331：If the state-of-charge is less than or equal to preset critical, charging requirement is sent to subscriber terminal equipment
Information；
S1332：After obtaining charging confirmation of the subscriber terminal equipment according to the charging requirement delivering, to
Engine sends control instruction, controls driven by engine generator operation to be charged and the high voltage power for the low tension battery
Battery charges.
If the magnitude of voltage state-of-charge of the high voltage power battery for obtaining is less than or equal to preset critical, high voltage power is illustrated
Battery electric quantity and low tension battery electricity are not enough, then send to charge to subscriber terminal equipment (such as intelligent mobile phone terminal) and want
Information is sought, asks the user whether that it is that low tension battery and high voltage power battery charge to allow engine, if allowing, user terminal
Equipment sends charging confirmation, agrees to that engine is that low tension battery and high voltage power battery charge, and send control to refer to
Order, controls driven by engine generator operation for the low tension battery charges and the high voltage power battery charges.By institute
Stating control method can be informed the state of the low tension battery of vehicle and high voltage power battery by subscriber terminal equipment in time
User, is that low tension battery and high voltage power battery charge after the charging confirmation for sending of acquisition user, it is to avoid user
When intending to shelve vehicle for a long time, vehicle is always that low tension battery and high voltage power battery charge automatically, influence vehicle hair
The service life of motivation, generator, low tension battery and high voltage power battery.
In a kind of optional implementation method, Fig. 6 is referred to, after sending low pressure alarming information to subscriber terminal equipment, bag
Include following steps：
S121：Query message is sent to the subscriber terminal equipment according to the low pressure alarming information；
S122：It is electric transmissions in ask after obtaining the upper electric permission information that subscriber terminal equipment is sent according to the query message
Information to keyless access system is sought, and the control instruction is sent to high voltage power battery.
The keyless access system is the control system for remote control car key state, keyless access system
When controlling vehicle for opening, each control unit of vehicle is in power-up state, and each control unit can realize phase intercommunication
Letter.The invention is not restricted to control key status using keyless access system, also can by such as car body controller (BCM) etc.
Control the control system control car key state of car key state.
Fig. 2 is referred to, if the magnitude of voltage of the low tension battery is less than predetermined voltage threshold, telematics box is then sent out
Low pressure alarming information is sent to subscriber terminal equipment, while query message is sent to subscriber terminal equipment according to low pressure alarming information,
Ask the user whether to allow to be charged for low tension battery, if subscriber terminal equipment is allowed, send electric permission information, long-range letter
Breath handle box sends power-up request information to keyless access system according to the upper electric permission information so that keyless entry system
Key status are remained opening by system, electricity in each control unit of remote control vehicle；Telematics box is obtained simultaneously
After the upper electric permission information that subscriber terminal equipment sends, control instruction is sent to high voltage power battery, control high voltage power battery
For low tension battery charges.The state of the low tension battery of vehicle can be set by user terminal in time by the control method
Standby to inform user, it is that low tension battery charges to obtain after the allowing of user, and passes through keyless entry after user allows
System controls the key status of vehicle for opening, can electricity in each control unit of remote control vehicle, can proper communication,
The wish of user is respected, especially user is when plan is shelved vehicle and need not be started for a long time.
Fig. 7 is referred to, in a kind of optional implementation method, high voltage power battery is controlled for low tension battery charges it
Afterwards, comprise the following steps：
S15：Obtain the charging interval of the low tension battery；
S16：If the charging interval exceedes nominal time threshold value, sent to high voltage power battery and stop charging instruction, control
High voltage power battery stops being charged for low tension battery.
The nominal time threshold value is the maximum time threshold value for allowing to be charged for low tension battery, such as 30 minutes, to low pressure
After battery is charged, telematics box starts the charging clocking capability of D.C. current transducer, if passing through timer
Etc. high voltage power battery is detected for the low tension battery charging interval is 35 minutes, more than nominal time threshold value, then pressed to height
Power battery sends and stops charging instruction, controls high voltage power battery to stop for low tension battery charges.If during in chargometer,
High voltage power battery is that low tension battery charges failure, then make the controlling bus dormancy of vehicle for a period of time such as by gateway device
20 minutes, after dormancy, high voltage power battery is controlled to be charged for low tension battery again, if still charging failure, by long-range
Information processing box sends to user terminal low tension battery less than the information of predetermined voltage threshold and the information of charge fault
Equipment.Controlling bus dormancy and the flow that re-powers can be more than once or twice, can specifically to set according to user's request.It is right
Low tension battery charge reach nominal time threshold value after, the electricity of low tension battery enough for low voltage equipment is powered, and
High voltage power battery electric quantity is limited, and excessive use high voltage power battery electric quantity can be avoided by above-mentioned control method, influences vehicle
Normally travel.If can also be re-started for low tension battery fails because the reasons such as line fault charge in nominal time threshold value
Charge, it is ensured that low tension battery obtains enough electricity, possesses flexibility.
Fig. 8 is referred to, in a kind of optional implementation method, high voltage power battery is controlled for low tension battery charges it
Afterwards, comprise the following steps：
S151：Obtain the magnitude of voltage after the charging of the low tension battery；
S161：If the magnitude of voltage is equal to default balanced voltage threshold value, sends stopping charging to high voltage power battery and refer to
Order, controls high voltage power battery to stop for low tension battery charges.
The default balanced voltage threshold value is that can make the normal startup of the low voltage equipments such as Vehicle Electronic Control Unit
Magnitude of voltage, such as 11V, after being charged to low tension battery, judge low tension battery electricity be equal to 11V, then illustrate now
Low tension battery can provide enough power for low voltage equipments such as Vehicle Electronic Control Units, then to high voltage power electricity
Pond sends and stops charging instruction, controls high voltage power battery to stop for low tension battery charges.Low tension battery is charged and is reached
After default balanced voltage threshold value, the electricity of low tension battery enough for low voltage equipment is powered, by above-mentioned control method
The use of high voltage power battery electric quantity can be reduced, it is ensured that normal vehicle operation.
After above-mentioned low tension battery electric quantity controlling method obtains the magnitude of voltage of vehicle low tension battery, if the low pressure electric power storage
The magnitude of voltage in pond is less than predetermined voltage threshold, then send low pressure alarming information to subscriber terminal equipment, illustrates low tension battery electricity
Amount is not enough, will be unable to provide operation power source for low voltage equipments such as Vehicle Electronic Control Units, then subscriber terminal equipment
Upper electricity permission information is sent according to the low pressure alarming information, illustrates that subscriber terminal equipment allows to be charged for low-voltage-powered battery,
After obtaining the upper electric permission information that subscriber terminal equipment sends, control instruction is sent to high voltage power battery, control high voltage power
Battery charges for low tension battery, can be less than in low tension battery magnitude of voltage by the low tension battery electric quantity controlling method
During predetermined voltage threshold, charged by high voltage power battery, maintain the balance of low tension battery voltage, it is ensured that vehicle electric
The normal startup of the low voltage equipments such as control unit.And the control method can be timely by the state of the low tension battery of vehicle
After informing that user, subscriber terminal equipment send upper electricity permission information according to the low pressure alarming information by subscriber terminal equipment,
Just allow to be charged for low tension battery, it is to avoid when intending to shelve vehicle for a long time, high voltage power battery is always low to user automatically
The service life of pressure battery, influence vehicle low tension battery and high voltage power battery.
In one embodiment, Fig. 9 is referred to, a kind of low tension battery electric quantity balancing control device, including：
Magnitude of voltage acquisition module 10, the magnitude of voltage for obtaining low tension battery；
Low pressure alarming module 20, if being less than predetermined voltage threshold for the magnitude of voltage of the low tension battery, sends low
Press warning message to subscriber terminal equipment；
Charge control module 30, allows for obtaining the upper electricity that subscriber terminal equipment sends according to the low pressure alarming information
After information, control instruction is sent to high voltage power battery, control high voltage power battery to be charged for low tension battery.
In one embodiment, Figure 10 is referred to, charge control module 30 includes：
State-of-charge acquisition module 301, the state-of-charge for obtaining high voltage power battery；
Identification and control module 302, if being more than preset critical for the state-of-charge, to high voltage power electricity
Pond sends control instruction, controls high voltage power battery to be charged for low tension battery.
Low tension battery electric quantity balancing control device of the invention and low tension battery electric quantity controlling method one of the invention
One correspondence, the technical characteristic and its advantage illustrated in the embodiment of above-mentioned low tension battery electric quantity controlling method is applied to
In the embodiment of low tension battery electric quantity balancing control device, hereby give notice that.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply each technical characteristic in example be possible to combination be all described, as long as but the combination of these technical characteristics do not exist lance
Shield, all should be the scope of this specification record.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but not
Therefore the limitation to the scope of the claims of the present invention can be interpreted as.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of low tension battery electric quantity controlling method, it is characterised in that comprise the following steps：
Obtain the magnitude of voltage of low tension battery；
If the magnitude of voltage of the low tension battery is less than predetermined voltage threshold, sends low pressure alarming information to user terminal and set
It is standby；
After obtaining the upper electric permission information that subscriber terminal equipment sends according to the low pressure alarming information, to high voltage power battery hair
Control instruction is sent, controls high voltage power battery to be charged for low tension battery.
2. low tension battery electric quantity controlling method according to claim 1, it is characterised in that sent to high voltage power battery
Before control instruction, comprise the following steps：
Obtain the state-of-charge of high voltage power battery；
If the state-of-charge is more than preset critical, control instruction is sent to the high voltage power battery, control height is pressed
Power battery charges for low tension battery.
3. low tension battery electric quantity controlling method according to claim 2, it is characterised in that comprise the following steps：
If the state-of-charge is less than or equal to preset critical, control instruction is sent to engine, control driven by engine
Generator operation is that the low tension battery and the high voltage power battery charge.
4. low tension battery electric quantity controlling method according to claim 3, it is characterised in that control driven by engine generates electricity
Before machine work is charged for the low tension battery and the high voltage power battery, comprise the following steps：
If the state-of-charge is less than or equal to preset critical, charging requirement information is sent to subscriber terminal equipment；
After obtaining charging confirmation of the subscriber terminal equipment according to the charging requirement delivering, sent to engine
Control instruction, controls driven by engine generator operation for the low tension battery charges and the high voltage power battery charges.
5. low tension battery electric quantity controlling method according to claim 1, it is characterised in that send low pressure alarming information extremely
After subscriber terminal equipment, comprise the following steps：
Query message is sent to the subscriber terminal equipment according to the low pressure alarming information；
After obtaining the upper electric permission information that subscriber terminal equipment is sent according to the query message, power-up request information to nothing is sent
Key enters system, and sends the control instruction to high voltage power battery.
6. low tension battery electric quantity controlling method according to claim 1, it is characterised in that control the high voltage power battery to be
After low tension battery charges, comprise the following steps：
Obtain the charging interval of the low tension battery；
If the charging interval exceedes nominal time threshold value, sent to high voltage power battery and stop charging instruction.
7. low tension battery electric quantity controlling method according to claim 1, it is characterised in that control the high voltage power battery to be
After low tension battery charges, comprise the following steps：
Obtain the magnitude of voltage after the charging of the low tension battery；
If the magnitude of voltage after charging is equal to default balanced voltage threshold value, sends stopping charging to high voltage power battery and refer to
Order.
8. low tension battery electric quantity controlling method according to claim 1, it is characterised in that obtain the electricity of low tension battery
Before pressure value, comprise the following steps：
Obtain the running status of vehicle；
If the running status of the vehicle is halted state, the magnitude of voltage of the low tension battery is detected.
9. a kind of low tension battery electric quantity balancing control device, it is characterised in that including：
Magnitude of voltage acquisition module, the magnitude of voltage for obtaining low tension battery；
Low pressure alarming module, if being less than predetermined voltage threshold for the magnitude of voltage of the low tension battery, sends low pressure alarming
Information is to subscriber terminal equipment；Charge control module, sends for obtaining subscriber terminal equipment according to the low pressure alarming information
Upper electric permission information after, to high voltage power battery send control instruction, control high voltage power battery be low tension battery charging.
10. low tension battery electric quantity balancing control device according to claim 9, it is characterised in that charge control module
Including：
State-of-charge acquisition module, the state-of-charge for obtaining high voltage power battery；
Identification and control module, if being more than preset critical for the state-of-charge, send to the high voltage power battery
Control instruction, controls high voltage power battery to be charged for low tension battery.
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| CN110588284A (en) * | 2019-09-23 | 2019-12-20 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner and computer readable storage medium |
| CN110723028A (en) * | 2019-09-25 | 2020-01-24 | 浙江合众新能源汽车有限公司 | BMS-based intelligent battery power supplementing method and device and storage medium |
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