CN106300472A - A kind of battery system and control method thereof - Google Patents
A kind of battery system and control method thereof Download PDFInfo
- Publication number
- CN106300472A CN106300472A CN201510287901.8A CN201510287901A CN106300472A CN 106300472 A CN106300472 A CN 106300472A CN 201510287901 A CN201510287901 A CN 201510287901A CN 106300472 A CN106300472 A CN 106300472A
- Authority
- CN
- China
- Prior art keywords
- generator motor
- lead
- ion batteries
- control unit
- batteries piles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Control Of Charge By Means Of Generators (AREA)
Abstract
The invention provides a kind of battery system and control method thereof, relate to automobile technical field, the unstable power that provides because of lead-acid battery group during to solve cold start-up electromotor at low temperatures and the technical problem that causes the fuel economy of car load to reduce.This battery system includes: Li-ion batteries piles；Generator motor, generator motor is connected with the driving engine of automobile, and generator motor electrically connects with Li-ion batteries piles；Control unit, control unit is connected with generator motor and Li-ion batteries piles signal respectively；When cold start-up electromotor, control unit sends the instruction making Li-ion batteries piles be generator motor output power to Li-ion batteries piles, control unit sends the instruction making generator motor be operated under electric model simultaneously to generator motor, generator motor, under the electric power that Li-ion batteries piles provides, starts electromotor.This battery system is used for automobile.
Description
Technical field
The present invention relates to automobile technical field, particularly to a kind of battery system and control method thereof.
Background technology
At present, battery system is set the most in the car, starts for startup under being in different conditions at automobile
Machine provides power, and powers for the electric attachments in automobile.Existing battery system generally includes two kinds of batteries
In group, one is lead-acid battery group, and another kind is Li-ion batteries piles.When cold start-up electromotor, existing
Battery system by lead-acid battery group be start electromotor provide electric power, and perform idle running shut down after again
When starting electromotor, existing battery system provides electric power by Li-ion batteries piles for starting electromotor.
It is at automobile respectively by the lead-acid battery group in the existing battery system of control and Li-ion batteries piles
For starting electromotor offer electric power under different conditions, it is possible to prevent to add because a certain set of cells long term frequent uses
The performance degradation of speed set of cells, improves the reliability of the battery system of automobile.But, use above-mentioned battery system
When in system, two kinds of set of cells provide electric power for starting electromotor, when cold start-up electromotor, due to lead-acid battery
The operating temperature range of group is narrower, and when low temperature, the unstable power that lead-acid battery group provides, thus
When the temperature is low, provide electric power by lead-acid battery group for starting electromotor, can provide because of lead-acid battery group
Unstable power and cause needing repeatedly could start electromotor, cause the waste of fuel oil so that car load
Fuel economy reduces.
Summary of the invention
In view of this, it is contemplated that propose a kind of battery system, to solve cold start-up electromotor at low temperatures
Time the unstable power that provides because of lead-acid battery group and cause the technical problem that the fuel economy of car load reduces.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of battery system, including:
Li-ion batteries piles；
Generator motor, described generator motor is connected with the electromotor of automobile, described generator motor and institute
State Li-ion batteries piles electrical connection；
Control unit, described control unit respectively with described generator motor and described Li-ion batteries piles signal
Connect；When electromotor described in cold start-up, described control unit makes described to the transmission of described Li-ion batteries piles
Li-ion batteries piles is the instruction of described generator motor output power, and described control unit is simultaneously to described
Electricity motor sends the instruction making described generator motor be operated under electric model, and described generator motor exists
Under the electric power that described Li-ion batteries piles provides, start described electromotor.
Further, described battery system also includes lead-acid battery group, described lead-acid battery group and described control
Cell signal connects, and described lead-acid battery group and described electricity generation and electromotion mechatronics；
Described control unit sends to described lead-acid battery group and makes described lead-acid battery group is described generator motor
The instruction of output power, described control unit sends to described generator motor simultaneously and makes described generator motor
It is operated in the instruction under electric model, the electric power that described lead-acid battery group provides for described generator motor, opens
Dynamic described electromotor.
Preferably, described battery system also includes: for monitoring the plumbic acid electricity of the electricity of described lead-acid battery group
Pond group monitoring device, for monitoring the Li-ion batteries piles monitoring device of the electricity of described Li-ion batteries piles,
And for monitoring the motor monitoring device of the mode of operation of described generator motor；
Described lead-acid battery group monitoring device is connected with described control unit signal, and described control unit is according to institute
State the electricity of the described lead-acid battery group that lead-acid battery group monitoring device is monitored, to described lead-acid battery group
With the instruction that described generator motor is sent as the charging of described lead-acid battery group；
Described Li-ion batteries piles monitoring device is connected with described control unit signal, described control unit according to
The electricity of the described Li-ion batteries piles that described Li-ion batteries piles monitoring device is monitored, to described lithium from
Sub-set of cells and described generator motor are sent as the instruction of described Li-ion batteries piles charging；
Described motor monitoring device is connected with described control unit signal, and described control unit is according to described motor
The mode of operation of the described generator motor that monitoring device monitors, sends to described generator motor described in making
The instruction of generator motor transformation working pattern.
Further, described battery system also includes for the low-voltage that described Li-ion batteries piles exports being turned
Being changed to high-tension electric pressure converter, described Li-ion batteries piles is by the height of described electric pressure converter with automobile
Voltage electric adnexa electrically connects；
Described lead-acid battery group electrically connects with the low-voltage electric attachments of automobile.
It is preferred that described battery system also includes that relay unit, described relay unit control list with described
Unit's signal connects, and described relay unit is electrically connected with described lead-acid battery group and described generator motor respectively
Connect；
When needs described lead-acid battery group is to described generator motor output power, described control unit is to institute
State lead-acid battery group send make described lead-acid battery group to the instruction of described generator motor output power, described
Control unit sends the instruction making described relay unit in running order to described relay unit, described
Lead-acid battery group starts to described generator motor output power.
Relative to prior art, battery system of the present invention has the advantage that
The present invention provide battery system in, when the electromotor of cold start-up automobile, control unit to lithium from
Sub-set of cells sends the instruction making Li-ion batteries piles be generator motor output power, control unit simultaneously to
Generator motor sends the instruction making generator motor be operated under electric model, and generator motor is at lithium ion
Bring into operation under the electric power that set of cells provides, and drive electromotor to run, thus realize cold start-up electromotor.
There is provided compared with electric power carrys out cold start-up electromotor with prior art uses lead-acid battery group for generator motor, by
Bigger than the operating temperature range of lead-acid battery group in the operating temperature range of Li-ion batteries piles, and when low temperature,
Li-ion batteries piles is fewer than the power consumption of lead-acid battery group, and the electric power that Li-ion batteries piles provides is compared to lead-acid battery
The electric power that group provides is more stable, thus when temperature is relatively low, using Li-ion batteries piles is that generator motor carries
Carry out cold start-up electromotor for electric power and can reduce the number of times of startup, reduce the waste of fuel oil, thus improve car load
Fuel economy.
Another object of the present invention is to propose the control method of a kind of battery system, the coldest to solve
The fuel economy of car load is caused to reduce because of the unstable power of lead-acid battery group offer when starting electromotor
Technical problem.For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of control method of battery system, including:
When the electromotor of cold start-up automobile, control unit sends to Li-ion batteries piles and makes described lithium-ion electric
Pond group is the instruction of generator motor output power, and described control unit sends to described generator motor simultaneously
Making the instruction that described generator motor is operated under electric model, described generator motor is at described lithium-ion electric
Under the electric power that pond group provides, start described electromotor.
Further, the control method of described battery system also includes:
When described electromotor performs to restart after idle running is shut down, described control unit is to described lithium-ion electric
Pond group sends the instruction making described Li-ion batteries piles be described generator motor output power, described control list
Unit sends the instruction making described generator motor be operated under electric model, institute simultaneously to described generator motor
State generator motor under the electric power that described Li-ion batteries piles provides, start described electromotor.
Preferably, the control method of described battery system also includes:
When described electromotor is in high load capacity operating mode, described control unit sends to described Li-ion batteries piles
For the instruction of described generator motor output power, meanwhile, described control unit is sent out to described generator motor
Send the instruction making described generator motor be operated under electric model, described generator motor and described electromotor
Jointly drive automobile；
Or,
When described electromotor is in high load capacity operating mode, described control unit is simultaneously to described Li-ion batteries piles
With the instruction that described lead-acid battery group is sent as described generator motor output power, meanwhile, described control is single
First instruction making described generator motor be operated under electric model to the transmission of described generator motor, described
Electricity motor drives automobile jointly with described electromotor.
It is preferred that the control method of described battery system also includes:
When described electromotor is in running on the lower load, and when described lead-acid battery group monitoring device monitors institute
The electricity stating lead-acid battery group is relatively low, and described Li-ion batteries piles monitoring device monitors described lithium ion battery
When the electricity of group is relatively low, described control unit is sent as the charging of described lead-acid battery group to described lead-acid battery group
Instruction, described control unit to described Li-ion batteries piles be sent as described Li-ion batteries piles charging finger
Order, described control unit sends to described generator motor simultaneously and makes described generator motor be operated in generating mould
Instruction under formula, the power that described generator motor utilizes described electromotor to export be described lead-acid battery group and
Described Li-ion batteries piles charges.
Further, the control method of described battery system also includes:
When starting described electromotor, it is described that the electric power that described Li-ion batteries piles can provide is not enough to startup
Electromotor, described control unit sends to described lead-acid battery group and makes described lead-acid battery group is described generating electricity
Motivation output power instructs, to start described electromotor；
Or,
When starting described electromotor, it is described that the electric power that described Li-ion batteries piles can provide is not enough to startup
Electromotor, described control unit makes described to described Li-ion batteries piles and the transmission of described lead-acid battery group simultaneously
Li-ion batteries piles and described lead-acid battery group are the instruction of described generator motor output power jointly, to start
Described electromotor.
The control method of described battery system and above-mentioned battery system are relative to prior art have the advantage that phase
With, do not repeat them here.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.At accompanying drawing
In:
Fig. 1 is the structural representation of the battery system described in the embodiment of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment
Can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Referring to Fig. 1, the battery system that the embodiment of the present invention provides includes: Li-ion batteries piles；Generating electricity
Motivation, generator motor is connected with the electromotor of automobile, and generator motor electrically connects with Li-ion batteries piles；
Control unit, control unit is connected with generator motor and Li-ion batteries piles signal respectively；When cold start-up is sent out
During motivation, control unit sends to Li-ion batteries piles and makes Li-ion batteries piles is generator motor output power
Instruction, control unit sends the finger making generator motor be operated under electric model to generator motor simultaneously
Order, generator motor, under the electric power that Li-ion batteries piles provides, starts electromotor.
In the battery system that the embodiment of the present invention provides, when the electromotor of cold start-up automobile, control unit
The instruction making Li-ion batteries piles be generator motor output power, control unit is sent to Li-ion batteries piles
Send the instruction making generator motor be operated under electric model to generator motor, generator motor exists simultaneously
Bring into operation under the electric power that Li-ion batteries piles provides, and drive electromotor to run, thus realize cold start-up and send out
Motivation.Electric power is provided to carry out cold start-up electromotor phase with prior art uses lead-acid battery group for generator motor
Ratio, owing to the operating temperature range of Li-ion batteries piles is bigger than the operating temperature range of lead-acid battery group, and
During low temperature, Li-ion batteries piles than lead-acid battery group power consumption few, Li-ion batteries piles offer electric power compared to
The electric power that lead-acid battery group provides is more stable, thus when temperature is relatively low, uses Li-ion batteries piles for generating
Powering electric motors carrys out cold start-up electromotor can reduce the number of times of startup, reduces the waste of fuel oil, thus
Improve the fuel economy of car load.It addition, use Li-ion batteries piles to provide electric power cold for generator motor
Start electromotor, provide compared with electric power carrys out cold start-up electromotor with using lead-acid battery group for generator motor,
Can avoid because when lead-acid battery group provides electric power to carry out cold start-up electromotor for generator motor, electric quantity consumption is too fast
And cause the frequent discharge and recharge of lead-acid battery group, thus reduce number of times and the frequency of the discharge and recharge of lead-acid battery group,
Such that it is able to prevent lead-acid battery group from causing shorten service life because of frequent discharge and recharge.
It is noted that generator motor can be operated under electric model, Li-ion batteries piles is utilized to carry
The power start electromotor of confession；Generator motor can also work in generate mode, is exported by electromotor
Power-conversion is electric power, and by power transmission to Li-ion batteries piles, so that electric power is stored in lithium ion battery
Group, it is achieved Li-ion batteries piles is charged.The generator motor meeting above two mode of operation has BSG
Motor.
Please continue to refer to Fig. 1, the battery system that the embodiment of the present invention provides also includes lead-acid battery group, plumbic acid
Set of cells is connected with control unit signal, and lead-acid battery group is connected with generator motor；Control unit is to lead
Acid set of cells sends the instruction making lead-acid battery group be generator motor output power, and control unit is simultaneously to sending out
Electricity motor sends the instruction making generator motor be operated under electric model, and lead-acid battery group is electricity generation and electromotion
The electric power that machine provides, starts electromotor.When starting the engine, during control unit judges Li-ion batteries piles
Electricity deficiency think generator motor provide electric power with start electromotor time, control unit can to plumbic acid electricity
Pond group sends the instruction making lead-acid battery group be generator motor output power, is generating by lead-acid battery group
The electric power of motor output starts electromotor.
Please continue to refer to Fig. 1, for convenience control unit respectively to Li-ion batteries piles, lead-acid battery group with
And generator motor is controlled, the battery system that the embodiment of the present invention provides also includes: be used for monitoring plumbic acid
The lead-acid battery group monitoring device of the electricity of set of cells, for monitoring the lithium ion of the electricity of Li-ion batteries piles
Set of cells monitoring device, and for monitoring the motor monitoring device of the mode of operation of generator motor；Plumbic acid
Set of cells monitoring device is connected with control unit signal, and control unit is supervised according to lead-acid battery group monitoring device
The electricity of the lead-acid battery group measured, is sent as the charging of lead-acid battery group to lead-acid battery group and generator motor
Instruction；Li-ion batteries piles monitoring device is connected with control unit signal, and control unit is according to lithium-ion electric
The electricity of the Li-ion batteries piles that pond group monitoring device is monitored, to Li-ion batteries piles and generator motor
It is sent as the instruction of Li-ion batteries piles charging；Motor monitoring device is connected with control unit signal, controls single
The mode of operation of the generator motor that unit monitors according to motor monitoring device, sends to generator motor and makes to send out
The instruction of electricity motor transformation working pattern.
When being embodied as, the electricity of Li-ion batteries piles monitoring device monitoring Li-ion batteries piles, and by this electricity
Amount information feeds back to control unit, in order to control unit judges and to Li-ion batteries piles and electricity generation and electromotion
Machine is sent as the instruction of Li-ion batteries piles charging, or, control unit is to Li-ion batteries piles and generating electricity
Motivation sends the instruction stopped as Li-ion batteries piles charging；Lead-acid battery group monitoring device monitoring lead-acid battery
The electricity of group, voltage, and this information about power is fed back to control unit, in order to control unit judges also
To lead-acid battery group and generator motor be sent as lead-acid battery group charging instruction, or, control unit to
Lead-acid battery group and generator motor send the instruction stopped as the charging of lead-acid battery group；Motor monitoring device is supervised
Survey the mode of operation of generator motor, and this operating mode information is fed back to control unit, in order to control single
Unit judges and sends the instruction making generator motor transformation working pattern to generator motor.By lithium from
The electricity of Li-ion batteries piles is monitored by sub-set of cells monitoring device, by lead-acid battery group monitoring device
The electricity of lead-acid battery group is monitored, and by the motor monitoring device Working mould to generator motor
Formula is monitored, be possible to prevent because of by control unit directly to Li-ion batteries piles, lead-acid battery group and send out
There is the interference of signal in electricity motor, thus facilitates control unit respectively to lithium ion when being monitored respectively
Set of cells, lead-acid battery group and the control of generator motor.
It addition, by Li-ion batteries piles monitoring device the electricity of Li-ion batteries piles is monitored and should
Information about power feeds back to control unit, is carried out the electricity of lead-acid battery group by lead-acid battery group monitoring device
This information about power is also fed back to control unit by monitoring, and control unit is according to the information about power of Li-ion batteries piles
Information about power with lead-acid battery group, it may be judged whether need Li-ion batteries piles and lead-acid battery group are charged,
Or, if need to stop Li-ion batteries piles and lead-acid battery group are charged, can avoid because of lithium-ion electric
Electricity in pond group and lead-acid battery group be in for a long time too low after, cause follow-up to Li-ion batteries piles with lead
Fill the phenomenon do not entered during acid set of cells charging, and be possible to prevent Li-ion batteries piles and plumbic acid electricity
The phenomenon overcharged during the group charging of pond, such that it is able to extend Li-ion batteries piles and the use of lead-acid battery group
Life-span.
It is noted that Li-ion batteries piles monitoring device can also monitor Li-ion batteries piles voltage,
Temperature etc., and the information of voltage of Li-ion batteries piles, temperature information etc. are fed back to control unit, in order to control
The duty of Li-ion batteries piles is adjusted by unit processed, improves the work efficiency of Li-ion batteries piles,
And extend the service life of Li-ion batteries piles；Lead-acid battery group monitoring device can also monitor lead-acid battery group
Voltage, temperature etc., and the information of voltage of lead-acid battery group, temperature information etc. are fed back to control unit,
So that the duty of lead-acid battery group is adjusted by control unit, improve the work efficiency of lead-acid battery group,
And extend the service life of lead-acid battery group.
It is worthy of note, refer to Fig. 1, control unit can also be monitored by controlling Li-ion batteries piles
Device controls the work of Li-ion batteries piles, controls plumbic acid electricity by controlling lead-acid battery group monitoring device
The work of pond group, controls the work of generator motor by controlling motor monitoring device.
Please continue to refer to Fig. 1, the battery system that the embodiment of the present invention provides also includes for by lithium ion battery
Group output low voltage transition be high-tension electric pressure converter, Li-ion batteries piles by electric pressure converter with
The high voltage electrical adnexa electrical connection of automobile；Lead-acid battery group electrically connects with the low-voltage electric attachments of automobile.
Electricity needed for the low-voltage electric attachments of automobile is less, and the electricity needed for high voltage electrical adnexa is more,
Thus, use Li-ion batteries piles to provide electric power for high voltage electric accessories, using lead-acid battery group is low electricity
Voltage electrical adnexa provides electric power, can avoid because using lead-acid battery group to provide electric power for high voltage electrical adnexa
And cause the electric quantity consumption of lead-acid battery group too fast, cause the number of times of lead-acid battery group discharge and recharge and frequency to increase,
Such that it is able to reduce the damage to lead-acid battery group, extend the service life of lead-acid battery group.
In order to extend the service life of lead-acid battery group further, please continue to refer to Fig. 1, the embodiment of the present invention
The battery system provided also includes relay unit, and relay unit is connected with control unit signal, and relay
Device unit electrically connects with lead-acid battery group and motor control assembly respectively；When needs lead-acid battery group is to generating electricity
During motivation output power, control unit sends to lead-acid battery group and makes lead-acid battery group export to generator motor
The instruction of electric power, control unit sends the instruction making relay unit in running order to relay unit,
Lead-acid battery group starts to generator motor output power.When needs lead-acid battery group exports to generator motor
During electric power, control unit controls device transmission to lead-acid battery group makes lead-acid battery group export to generator motor
The instruction of electric power, lead-acid battery group controls device and receives instruction and control lead-acid battery group, makes lead-acid battery group
To generator motor output power, meanwhile, control unit sends to relay unit and makes relay unit be in
The instruction of duty, relay unit receives instruction and performs, it is achieved lead-acid battery group performs to generating electricity
Motivation output power；When need not lead-acid battery group to generator motor output power, control unit is to lead
Acid set of cells controls device and sends the instruction making lead-acid battery group stop to generator motor output power, plumbic acid
Set of cells controls device and receives instruction and control lead-acid battery group, makes lead-acid battery group stop to generator motor
Output power, meanwhile, control unit sends the finger making relay unit be closed to relay unit
Order, relay unit receives instruction and performs, it is achieved lead-acid battery group stops to generator motor output power；
When need not lead-acid battery group to generator motor output power, or when the electricity of lead-acid battery group is relatively low,
First control unit can send, to relay unit, the instruction making relay unit be closed, and makes lead
Electrical connection between acid set of cells and generator motor disconnects, and prevents because lead-acid battery group is constantly to electricity generation and electromotion
Machine output power and cause the electric quantity consumption of lead-acid battery group too fast, cause the frequent discharge and recharge of lead-acid battery group,
Thus extend the service life of lead-acid battery group further.
It is noted that when generator motor works in generate mode, lead-acid battery group is charged
Time, can be by arranging relay unit between generator motor and lead-acid battery group, to control plumbic acid
The charging of set of cells, it is also possible to lead-acid battery group be directly connected with generator motor, to realize plumbic acid electricity
The charging of pond group.
The embodiment of the present invention also provides for the control method of a kind of battery system, when the electromotor of cold start-up automobile,
Control unit sends the instruction making Li-ion batteries piles be generator motor output power to Li-ion batteries piles,
Control unit sends the instruction making generator motor be operated under electric model, generating simultaneously to generator motor
Motor, under the electric power that Li-ion batteries piles provides, starts electromotor.
The control method of described battery system and above-mentioned battery system are relative to prior art have the advantage that phase
With, do not repeat them here.
In above-mentioned battery system, the control method of the battery system that the embodiment of the present invention provides also includes: when
When electromotor performs to restart after idle running is shut down, control unit sends to Li-ion batteries piles and makes lithium-ion electric
Pond group is the instruction of generator motor output power, and control unit sends to generator motor simultaneously and makes generating electricity
Motivation is operated in the instruction under electric model, and generator motor, under the electric power that Li-ion batteries piles provides, opens
Dynamic electromotor.When electromotor performs to restart after idle running is shut down, use Li-ion batteries piles for generating electricity
Motivation provides electric power to restart electromotor, can give full play to Li-ion batteries piles and have the excellent of high power capacity
Gesture, during electromotor frequent starting, Li-ion batteries piles can be that generator motor provides sufficient
Electric power, so that starting function to start in time thus improving the dynamic property of car load；It addition, employing lithium ion battery
Group provides electric power to restart electromotor for generator motor, can avoid because using lead-acid battery group to provide
Electric power causes the number of times of lead-acid battery group discharge and recharge and frequency to increase when restarting electromotor, cause plumbic acid
The service life of battery shortens.
In order to improve the dynamic property of car load, and improve the fuel economy of car load further, implement in the present invention
In the control method of the battery system that example provides, when electromotor is in high load capacity operating mode, control unit is to lithium
Ion battery group is sent as the instruction of generator motor output power, and meanwhile, control unit is to generator motor
Sending the instruction making generator motor be operated under electric model, generator motor and electromotor drive vapour jointly
Car；Or, when electromotor is in high load capacity operating mode, control unit is simultaneously to Li-ion batteries piles and plumbic acid
Set of cells is sent as the instruction of generator motor output power, and meanwhile, control unit sends to generator motor
The instruction that generator motor is operated under electric model, generator motor and electromotor is made jointly to drive automobile.
By Li-ion batteries piles, or Li-ion batteries piles and lead-acid battery group provide electricity for generator motor
Power, makes generator motor and electromotor jointly drive automobile, can increase automobile power resources in motion,
Thus improve the dynamic property of car load；It addition, by Li-ion batteries piles, or Li-ion batteries piles and plumbic acid
The electric power that set of cells provides, makes generator motor and electromotor jointly drive automobile, can share electromotor
A part of load, thus it is possible to prevent the work because causing electromotor when electromotor is chronically at high load capacity operating mode
Efficiency declines, and causes fuel oil malcombustion, causes the waste of fuel oil, thus improve the combustion of car load further
Oil economy, and improve the work efficiency of electromotor.
In order to reduce automobile energy waste in motion, the control of the battery system that the embodiment of the present invention provides
In method, when electromotor is in running on the lower load, and when lead-acid battery group monitoring device monitors plumbic acid electricity
The electricity of pond group is relatively low, Li-ion batteries piles monitoring device monitor the electricity of Li-ion batteries piles relatively low time,
Control unit is sent as the instruction of lead-acid battery group charging to lead-acid battery group, and control unit is to lithium ion battery
Group is sent as the instruction of Li-ion batteries piles charging, and control unit sends to generator motor simultaneously and makes generating electricity
Motivation work instruction in generate mode, the power that generator motor utilizes electromotor to export is lead-acid battery
Group and Li-ion batteries piles charge.It is so designed that, it is possible to reduce electromotor when electromotor is in running on the lower load
The waste of the extra power of output, and then reduce automobile energy waste in motion, thus improve further
The fuel economy of car load.When automobilism is relatively stablized, can be simultaneously to lead-acid battery group and lithium-ion electric
Pond group is charged, it is also possible to individually charge lead-acid battery group or Li-ion batteries piles.
In order to improve reliability when starting electromotor, in embodiments of the present invention, when starting the engine,
Control unit is first according to the electricity in Li-ion batteries piles, it is judged that the electric power that Li-ion batteries piles can provide
The most enough starting electromotor, if the judgment is No, then control unit is sent as generating electricity to lead-acid battery group
Motivation output power instructs, to start electromotor；Or, when starting the engine, control unit first root
According to the electricity in Li-ion batteries piles, it is judged that the electric power that Li-ion batteries piles can provide the most enough starts to be sent out
Motivation, if the judgment is No, then control unit is sent as to Li-ion batteries piles and lead-acid battery group simultaneously
Electricity motor output power instruction, to start electromotor.At cold start-up electromotor, or, at driving conditions
In, when electromotor performs to need to restart after idle running is shut down, in Li-ion batteries piles, electricity may be not enough
Thinking that generator motor provides enough electric power, to start electromotor, now, control unit is to lead-acid battery
Group or be simultaneously sent as the instruction of generator motor output power to Li-ion batteries piles and lead-acid battery group, logical
Crossing lead-acid battery group is generator motor output power, or same by Li-ion batteries piles and lead-acid battery group
Time be generator motor output power, to make up the deficiency of electricity in Li-ion batteries piles, so that start
Machine starts smoothly, is effectively increased reliability when starting electromotor.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (10)
1. a battery system, it is characterised in that including:
Li-ion batteries piles；
Generator motor, described generator motor is connected with the driving engine of automobile, described generator motor
Electrically connect with described Li-ion batteries piles；
Control unit, described control unit respectively with described generator motor and described Li-ion batteries piles signal
Connect；When electromotor described in cold start-up, described control unit makes described to the transmission of described Li-ion batteries piles
Li-ion batteries piles is the instruction of described generator motor output power, and described control unit is simultaneously to described
Electricity motor sends the instruction making described generator motor be operated under electric model, and described generator motor exists
Under the electric power that described Li-ion batteries piles provides, start described electromotor.
Battery system the most according to claim 1, it is characterised in that described battery system also includes lead
Acid set of cells, described lead-acid battery group is connected with described control unit signal, and described lead-acid battery group and institute
State electricity generation and electromotion mechatronics；
Described control unit sends to described lead-acid battery group and makes described lead-acid battery group is described generator motor
The instruction of output power, described control unit sends to described generator motor simultaneously and makes described generator motor
It is operated in the instruction under electric model, the electric power that described lead-acid battery group provides for described generator motor, opens
Dynamic described electromotor.
Battery system the most according to claim 2, it is characterised in that described battery system also includes:
For monitoring the lead-acid battery group monitoring device of the electricity of described lead-acid battery group, it is used for monitoring described lithium ion
The Li-ion batteries piles monitoring device of the electricity of set of cells, and for monitoring the work of described generator motor
The motor monitoring device of pattern；
Described lead-acid battery group monitoring device is connected with described control unit signal, and described control unit is according to institute
State the electricity of the described lead-acid battery group that lead-acid battery group monitoring device is monitored, to described lead-acid battery group
With the instruction that described generator motor is sent as the charging of described lead-acid battery group；
Described Li-ion batteries piles monitoring device is connected with described control unit signal, described control unit according to
The electricity of the described Li-ion batteries piles that described Li-ion batteries piles monitoring device is monitored, to described lithium from
Sub-set of cells and described generator motor are sent as the instruction of described Li-ion batteries piles charging；
Described motor monitoring device is connected with described control unit signal, and described control unit is according to described motor
The mode of operation of the described generator motor that monitoring device monitors, sends to described generator motor described in making
The instruction of generator motor transformation working pattern.
4. according to the arbitrary described battery system of claim 1-3, it is characterised in that described battery system is also
It is high-tension electric pressure converter including the low voltage transition for described Li-ion batteries piles is exported, described
Li-ion batteries piles is electrically connected with the high voltage electrical adnexa of automobile by described electric pressure converter；
Described lead-acid battery group electrically connects with the low-voltage electric attachments of automobile.
Battery system the most according to claim 4, it is characterised in that described battery system also includes continuing
Electric appliance unit, described relay unit is connected with described control unit signal, and described relay unit is respectively
With described lead-acid battery group and described electricity generation and electromotion mechatronics；
When needs described lead-acid battery group is to described generator motor output power, described control unit is to institute
State lead-acid battery group send make described lead-acid battery group to the instruction of described generator motor output power, described
Control unit sends the instruction making described relay unit in running order to described relay unit, described
Lead-acid battery group starts to described generator motor output power.
6. the control method of a battery system, it is characterised in that including:
When the electromotor of cold start-up automobile, control unit sends to Li-ion batteries piles and makes described lithium-ion electric
Pond group is the instruction of generator motor output power, and described control unit sends to described generator motor simultaneously
Making the instruction that described generator motor is operated under electric model, described generator motor is at described lithium-ion electric
Under the electric power that pond group provides, start described electromotor.
The control method of battery system the most according to claim 6, it is characterised in that described battery system
The control method of system also includes:
When described electromotor performs to restart after idle running is shut down, described control unit is to described lithium-ion electric
Pond group sends the instruction making described Li-ion batteries piles be described generator motor output power, described control list
Unit sends the instruction making described generator motor be operated under electric model, institute simultaneously to described generator motor
State generator motor under the electric power that described Li-ion batteries piles provides, start described electromotor.
The control method of battery system the most according to claim 6, it is characterised in that described battery system
The control method of system also includes:
When described electromotor is in high load capacity operating mode, described control unit sends to described Li-ion batteries piles
For the instruction of described generator motor output power, meanwhile, described control unit is sent out to described generator motor
Send the instruction making described generator motor be operated under electric model, described generator motor and described electromotor
Jointly drive automobile；
Or,
When described electromotor is in high load capacity operating mode, described control unit is simultaneously to described Li-ion batteries piles
With the instruction that described lead-acid battery group is sent as described generator motor output power, meanwhile, described control is single
First instruction making described generator motor be operated under electric model to the transmission of described generator motor, described
Electricity motor drives automobile jointly with described electromotor.
The control method of battery system the most according to claim 6, it is characterised in that described battery system
The control method of system also includes:
When described electromotor is in running on the lower load, and when described lead-acid battery group monitoring device monitors institute
The electricity stating lead-acid battery group is relatively low, and described Li-ion batteries piles monitoring device monitors described lithium ion battery
When the electricity of group is relatively low, described control unit is sent as the charging of described lead-acid battery group to described lead-acid battery group
Instruction, described control unit to described Li-ion batteries piles be sent as described Li-ion batteries piles charging finger
Order, described control unit sends to described generator motor simultaneously and makes described generator motor be operated in generating mould
Instruction under formula, the power that described generator motor utilizes described electromotor to export be described lead-acid battery group and
Described Li-ion batteries piles charges.
10. according to the control method of the arbitrary described battery system of claim 6-9, it is characterised in that institute
The control method stating battery system also includes:
When starting described electromotor, it is described that the electric power that described Li-ion batteries piles can provide is not enough to startup
Electromotor, described control unit sends to described lead-acid battery group and makes described lead-acid battery group is described generating electricity
Motivation output power instructs, to start described electromotor；
Or,
When starting described electromotor, it is described that the electric power that described Li-ion batteries piles can provide is not enough to startup
Electromotor, described control unit makes described to described Li-ion batteries piles and the transmission of described lead-acid battery group simultaneously
Li-ion batteries piles and described lead-acid battery group are the instruction of described generator motor output power jointly, to start
Described electromotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510287901.8A CN106300472B (en) | 2015-05-29 | 2015-05-29 | A kind of battery system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510287901.8A CN106300472B (en) | 2015-05-29 | 2015-05-29 | A kind of battery system and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106300472A true CN106300472A (en) | 2017-01-04 |
| CN106300472B CN106300472B (en) | 2019-08-09 |
Family
ID=57655979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510287901.8A Active CN106300472B (en) | 2015-05-29 | 2015-05-29 | A kind of battery system and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106300472B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367381A (en) * | 2007-08-17 | 2009-02-18 | 奇瑞汽车股份有限公司 | Weak hybrid power automobile motor control method |
| CN102044902A (en) * | 2009-10-20 | 2011-05-04 | 徐辛 | Lithium-ion automobile starting storage battery with super capacitor function |
| CN103534135A (en) * | 2011-03-16 | 2014-01-22 | 约翰逊控制技术公司 | Systems and methods for overcharge protection and charge balance in combined energy source systems |
| CN104442429A (en) * | 2013-09-12 | 2015-03-25 | 柯国平 | Vehicle starting power source with double-battery system |
| DE102013220649A1 (en) * | 2013-10-14 | 2015-04-16 | Ford Global Technologies, Llc | Motor vehicle electrical system, and method for operating a motor vehicle electrical system |
-
2015
- 2015-05-29 CN CN201510287901.8A patent/CN106300472B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367381A (en) * | 2007-08-17 | 2009-02-18 | 奇瑞汽车股份有限公司 | Weak hybrid power automobile motor control method |
| CN102044902A (en) * | 2009-10-20 | 2011-05-04 | 徐辛 | Lithium-ion automobile starting storage battery with super capacitor function |
| CN103534135A (en) * | 2011-03-16 | 2014-01-22 | 约翰逊控制技术公司 | Systems and methods for overcharge protection and charge balance in combined energy source systems |
| CN104442429A (en) * | 2013-09-12 | 2015-03-25 | 柯国平 | Vehicle starting power source with double-battery system |
| DE102013220649A1 (en) * | 2013-10-14 | 2015-04-16 | Ford Global Technologies, Llc | Motor vehicle electrical system, and method for operating a motor vehicle electrical system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106300472B (en) | 2019-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9007001B2 (en) | Power supply system and vehicle equipped with power supply system | |
| JP6314906B2 (en) | Hybrid vehicle | |
| CN102161315A (en) | Vehicle power supply apparatus | |
| CN203713586U (en) | integrated control system for range extender of electric motor coach | |
| JP2008168894A (en) | Power supply system for hybrid electric vehicle and operation method of same | |
| CN105253028B (en) | A kind of control method and its control device of composite power source extended-range electric vehicle | |
| CN102148525A (en) | Power supply apparatus for vehicle | |
| CN101979265A (en) | Method for controlling stroke lengthening of serially connected pluggable electric vehicle | |
| CN102756728A (en) | Hybrid electric vehicle and starting method for hybrid electric vehicle | |
| RU2010119529A (en) | HYBRID POWER UNIT | |
| US9145131B2 (en) | Vehicle and vehicle control method | |
| CN105904978A (en) | Range extension type electric vehicle with double power battery packs | |
| CN104756397A (en) | Power source device | |
| CN104937175A (en) | Power supply device for hybrid construction machinery, and method therefor | |
| JP2016207269A (en) | Vehicle power system | |
| CN102891524A (en) | Battery charging system for vehicle and control method of the same | |
| CN105790374A (en) | Vehicle-mounted electricity storage box | |
| CN109606136B (en) | Hybrid power energy storage system, control method thereof and hybrid power automobile | |
| CN204340720U (en) | The power system of electronlmobil and electronlmobil | |
| CN103283403A (en) | Hybrid power mower | |
| CN103072488B (en) | Composite power source | |
| CN103339006B (en) | Motor vehicle driven by mixed power | |
| CN105235678B (en) | Motor vehicle driven by mixed power | |
| US20160039404A1 (en) | Hybrid vehicle | |
| KR20040017629A (en) | The battery management method of hybrid electric vehicle and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |