CN105480107B - A kind of mesh font electric automobile hybrid power supply - Google Patents
A kind of mesh font electric automobile hybrid power supply Download PDFInfo
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- CN105480107B CN105480107B CN201511000341.XA CN201511000341A CN105480107B CN 105480107 B CN105480107 B CN 105480107B CN 201511000341 A CN201511000341 A CN 201511000341A CN 105480107 B CN105480107 B CN 105480107B
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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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
-
- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to energy source and power technical field, it is related to a kind of mesh font electric automobile hybrid power supply, first switch is connected with the positive pole of TRT, the 3rd switch is connected with the negative pole of the second energy storage device；The negative pole of the first energy storage device is electrically connected with the positive pole of the second energy storage device, the positive pole of the first energy storage device is electrically connected with the negative pole of TRT, the positive pole of the first energy storage device is electrically connected with the direct current input positive pole of electric machine controller, and negative pole is electrically connected with the direct current input negative pole of electric machine controller；The output end of electric machine controller is electrically connected with motor；Direct current charge-discharge interface connects the second energy storage device；Electronic control unit is connected with the first energy storage device, the second energy storage device, TRT and direct current charge-discharge interface respectively, and electronic control unit is connected with first switch, second switch and the 3rd switch respectively；Its simple structure, principle reliability, easy to operate, long service life, rationally efficiently, less energy consumption is environment-friendly for power supply.
Description
Technical field：
The invention belongs to energy source and power technical field, it is related to a kind of mesh font electric automobile hybrid power supply, by right
Redistributing for power demand, distributes the working condition of different energy storage devices rationally so that each energy storage device can use up
Oneself operating mode the most suitable may be operated in, efficiency, life-span, cost, reliability of energy conversion or energy output etc. is realized
The optimization of performance.
Background technology：
At present, the battery system of electric automobile mainly uses lithium battery, although lithium battery is adapting to the dynamic of vehicle traveling
In the ability of power demand, hence it is evident that better than engine, but current conventional integral battery door group structure or Shortcomings, mainly
Be embodied in the cost of cell stack designs, life-span, capacity it is isoparametric it is conflicting on, either hybrid vehicle, or pure
Electric automobile, battery pack needs to undertake the dynamic part of vehicle power demand, is the battery pack that motor directly provides energy
Significantly dynamic mapping operating mode is often operated in, battery must is fulfilled for this in existing single integral battery door group design structure
Dynamic power demand, a problem for optimum operating condition is equally existed for lithium battery.If by the lithium battery group of electric automobile
Using mixed structure, battery pack cost can be greatly lowered under conditions of power demand, continual mileage is met in theory,
Effective extension battery life, but actual count as shown by data, the entrucking actual life of integral battery door group are substantially low
In the dynamometer life of battery core, possible main cause therein be battery pack under entrucking environment, the matching of its working condition
It is unreasonable.The structure forefathers of hybrid energy-storing had done various organization plans, including lithium battery+super capacitor, lead-acid battery+super
Electric capacity, lithium battery+lead-acid battery, but substantially two kinds energy storage devices mode directly in parallel, are extremely difficult to preferable effect, this
It is due to directly in parallel because both voltage platforms are always consistent, it is impossible to fundamentally realize both working condition solutions
Coupling, cannot also fully achieve optimal while both operating modes.
The content of the invention：
It is an object of the invention to the shortcoming for overcoming prior art to exist, seek design and a kind of mesh font electric automobile is provided
Hybrid power supply, the device realizes that energy storage device electric energy is exported under not interrupt condition by the reasonable switching of two groups of energy storage devices
Overcharge, cross put with the function such as temperature protection, carry out isolation switching control by two groups of energy storage devices, system can be effectively improved
The estimation precision of state parameter, and effectively recycling regenerating braking energy.
To achieve these goals, the agent structure of mesh font electric automobile hybrid power supply of the present invention includes driving
Dynamic motor, electric machine controller, the first energy storage device, the second energy storage device, the first inductance, the second inductance, first switch, second open
Pass, the 3rd switch, TRT, electronic control unit, direct current charge-discharge interface, the first tie point, the second tie point, the 3rd connect
Contact, the 4th tie point, communication bus and control line；First switch, second switch and the 3rd switch are sequentially connected in series, and first
The first tie point is provided between switch and second switch, the second tie point is provided between second switch and the 3rd switch, first opens
Pass is connected with the positive pole of TRT, and the 3rd switch is connected with the negative pole of the second energy storage device；First energy storage device, the second energy storage
Device and TRT are sequentially connected in series, and the negative pole of the first energy storage device is electrically connected with the positive pole of the second energy storage device, and first
The positive pole of energy storage device is electrically connected with the negative pole of TRT, and the 3rd company is provided between the first energy storage device and the second energy storage device
Contact, is provided with the 4th tie point between the first energy storage device and TRT；The two ends of the first inductance respectively with the first tie point
Connected with the 4th tie point；The two ends of the second inductance are connected with the second tie point and the 3rd tie point respectively；First energy storage device
The direct current input positive pole of positive pole and electric machine controller electrically connect, negative pole is input into negative pole and electrically connects with the direct current of electric machine controller；
The output end of electric machine controller is electrically connected with motor；The positive terminal and negative terminal of direct current charge-discharge interface are connected respectively
The positive pole and negative pole of the second energy storage device；Electronic control unit by communication bus respectively with the first energy storage device, the second energy storage
The connection of device, TRT and direct current charge-discharge interface carries out status data exchange, and controls TRT output current；Electronics
Control unit is connected with first switch, second switch and the 3rd switch respectively by control line, and control first switch, second open
Pass, the conducting of the 3rd switch and shut-off.
First switch of the present invention, second switch and the 3rd switch are FET, insulated gate bipolar transistor
Or other types solid switch device (IGBT)；First energy storage device is dc power type energy storage device, including dynamic lithium battery
Group or super capacitor etc., the second energy storage device are DC energy storage type battery pack, are stored up including energy-storage lithium battery group or lead-acid battery etc.
Can type battery, TRT is the power output device of direct current output, including internal combustion engine generator group or fuel cell.
Electronic control unit control first switch of the present invention, second switch and the 3rd switch are in different conductings
With off state, the first energy storage device, the second energy storage device and TRT electric energy transfer each other are realized.
The present invention is to the operation principle that electric automobile AC-battery power source is controlled：Electronic control unit passes through communication bus
Charged (SOC) state of the first energy storage device and the second energy storage device is read in real time, the state-of-charge control first according to both
The conducting of switch and second switch and shut-off and the open and close of TRT, concretely comprise the following steps：
(1), whether electronic control unit judges whole device in charged state by direct current charge-discharge interface, if
Charged state, into charging cycle (2), if not charged state, into discharge cycles (3)；
(2) charging cycle：
The first step, closes TRT；
Whether second step, judge SOC32 more than SOC32max, if SOC32>SOC32max, electronic control unit output
The pwm control signal of first switch, second switch, third switch so that the electric energy transfer of the second energy storage device to the first energy storage
Device；
Whether 3rd step, judge SOC31 more than SOC31max, if SOC31>SOC31max, electronic control unit output
Control signal, all off first switch, second switch and the 3rd switch, charging terminates；If SOC31<SOC31max, returns
Second step, circulates successively；
(3) discharge cycles,
The first step, judges the state-of-charge of the second energy storage device, if SOC32>SOC32max, closes TRT；Such as
Fruit SOC32<SOC32min, opens TRT, electronic control unit output first switch, second switch and the 3rd switch
Pwm control signal so that the electric energy of TRT is transferred to the first energy storage device and the second energy storage device respectively；If
SOC32max>SOC32>SOC32min, keeps TRT state constant；Respectively to the first energy storage device during TRT unlatching
With the average output current that the output current of the charging of the second energy storage device, and TRT is more than or equal to electric machine controller；
Second step, judges the state-of-charge of the first energy storage device, if SOC31>SOC31max, electronic control unit output
The pwm control signal of first switch, second switch and the 3rd switch 53, makes the electric energy transfer of the first energy storage device to the second energy storage
Device；If SOC31<SOC31min, the PWM controls of electronic control unit output first switch, second switch and the 3rd switch
Signal, makes the electric energy transfer of the second energy storage device to the first energy storage device, and transfer current is more than or equal to electric machine controller
Average output current；If SOC31max>SOC31>SOC31min, then close first switch, second switch and the 3rd switch；Its
Middle SOC31 is the SOC of the first energy storage device, and SOC31min is the minimum SOC of the first energy storage device, and SOC31max is the first energy storage
The maximum SOC of device, SOC32 are the SOC of the second energy storage device, and SOC32min is the minimum SOC of the second energy storage device,
SOC32max is the maximum SOC upper limits of the second energy storage device.
The present invention compared with prior art, with advantages below：One is that electric automobile hybrid power supply passes through two groups of storages
Can device reasonable switching, realize that battery pack electric energy output in energy storage device does not overcharge protection, Cross prevention under interrupt condition
With the function such as temperature protection, efficiently solve single energy storage device due to overcharging, cross put, the defencive function such as temperature and be necessary to switch off
Electric energy is exported, and has a strong impact on the problem of traffic safety；Two is that the device adapts to load power demand by power take-off module matching,
And effective reclaiming braking energy, can significantly reduce the capacity requirement of the energy storage device of matching；Three is that its energy storage device can
With realize it is shallow fill it is shallow put, increase substantially battery life；Four be two groups of energy storage devices under conditions of power output is not influenceed, can
By the input for individually or simultaneously isolating electric energy, output, to reduce or eliminate influence of the external factor to battery, related change is improved
The certainty of measurement of amount, so as to significantly improve the estimation precision of energy storage device state parameter so that the management of energy storage device system and
Control process is more reasonable, efficient；Its simple structure, principle reliability, easy to operate, long service life, power supply is rationally high
Effect, less energy consumption is environment-friendly.
Brief description of the drawings：
Fig. 1 is the agent structure circuit theory schematic diagram of mesh font electric automobile hybrid power supply of the present invention.
Specific embodiment：
Below by embodiment and with reference to accompanying drawing, the invention will be further described.
Embodiment：
The agent structure of mesh font electric automobile hybrid power supply described in the present embodiment is as shown in figure 1, including driving electricity
Machine 1, electric machine controller 2, the first energy storage device 31, the second energy storage device 32, the first inductance 3, the second inductance 4, first switch 51,
Second switch 52, the 3rd switch 53, TRT 6, electronic control unit 7, direct current charge-discharge interface 8, the first tie point 91, the
Two tie points 92, the 3rd tie point 93, the 4th tie point 94, communication bus 10 and control line 11；First switch 51, second switch
52 and the 3rd switch 53 be sequentially connected in series, the first tie point 91 is provided between first switch 51 and second switch 52, second opens
The second tie point 92 is provided between the switch 53 of pass 52 and the 3rd, first switch 51 is connected with the positive pole of TRT 6, the 3rd switch
53 are connected with the negative pole of the second energy storage device 32；First energy storage device 31, the second energy storage device 32 and TRT 6 are sequentially connected in series
Connection, the negative pole of the first energy storage device 31 electrically connects with the positive pole of the second energy storage device 32, the positive pole of the first energy storage device 31 and
The negative pole electrical connection of TRT 6, the 3rd tie point 93 is provided between the first energy storage device 31 and the second energy storage device 32, while
The other end of inductance 4 is connected, the 4th tie point 94 is provided between the first energy storage device 31 and TRT 6；The two of first inductance 3
End is connected with the first tie point 91 and the 4th tie point 94 respectively；The two ends of the second inductance respectively with the second tie point 92 and the 3rd
Tie point 93 is connected；The direct current input positive pole of the positive pole of the first energy storage device 31 and electric machine controller 2 is electrically connected, negative pole and motor
The direct current input negative pole electrical connection of controller 2；The output end of electric machine controller 2 is electrically connected with motor 1；Direct current charge-discharge connects
The positive terminal and negative terminal of mouth 8 connect the positive pole and negative pole of the second energy storage device 32 respectively；Electronic control unit 7 is by logical
News bus 10 be connected with the first energy storage device 31, the second energy storage device 32, TRT 6 and direct current charge-discharge interface 8 respectively into
Row status data is exchanged, and controls the output current of TRT 6；Electronic control unit 7 is opened with first respectively by control line 11
Close 51, second switch 52 and the 3rd switch 53 connect, control first switch 51, second switch the 52, the 3rd switch 53 conducting with
Shut-off.
First switch 51, the switch of second switch 52 and the 3rd 53 are FET, insulated gate bipolar described in the present embodiment
Transistor npn npn (IGBT) or other types solid switch device；First energy storage device 31 is dc power type energy storage device, including
Dynamic lithium battery group or super capacitor etc., the second energy storage device 32 is DC energy storage type battery pack, including energy-storage lithium battery group or
The accumulation energy type battery such as lead-acid battery, TRT 6 is the power output device of direct current output, including internal combustion engine generator group or fuel
Battery.
The control of electronic control unit 7 first switch 51, the switch of second switch 52 and the 3rd 53 are operated in described in the present embodiment
Different conductings and off state, realize the first energy storage device 31, the second energy storage device 32 and TRT 6 electricity each other
Can transfer.
The present embodiment is to the operation principle that electric automobile AC-battery power source is controlled：Electronic control unit 7 is by communication
Bus reads charged (SOC) state of the first energy storage device 31 and the second energy storage device 32 in real time, according to both state-of-charges
The conducting of control first switch 51 and second switch 52 and shut-off and the open and close of TRT 6, concretely comprise the following steps：
(1), whether electronic control unit 7 judges whole device in charged state by direct current charge-discharge interface 8, if
It is charged state, into charging cycle, if not charged state, into discharge cycles；
(2) charging cycle：
The first step, closes TRT 6；
Whether second step, judge SOC32 more than SOC32max, if SOC32>SOC32max, electronic control unit 7 is exported
The pwm control signal of first switch 51, the switch of second switch the 52, the 3rd 53 so that the electric energy transfer of the second energy storage device 32 is arrived
First energy storage device 31；
Whether 3rd step, judge SOC31 more than SOC31max, if SOC31>SOC31max, electronic control unit 7 is exported
Control signal, all off first switch 51, the switch of second switch the 52, the 3rd 53, charging terminates；If SOC31<
SOC31max, returns to second step, circulates successively；
(3) discharge cycles,
The first step, judges the state-of-charge of the second energy storage device 32, if SOC32>SOC32max, closes TRT 6；
If SOC32<SOC32min, opens TRT 6, the output of electronic control unit 7 first switch 51, second switch the 52, the 3rd
The pwm control signal of switch 53 so that the electric energy transfer of TRT 6 to the first energy storage device 31, the second energy storage device 32；Such as
Fruit SOC32max>SOC32>SOC32min, keeps the state of TRT 6 constant；When TRT 6 is opened, with output current A6
The first energy storage device 31 and the second energy storage device 32 are charged respectively, and output current A6 is more than or equal to electric machine controller 2
Average output current A2outavg；
Second step, judges the state-of-charge of the first energy storage device 31, if SOC31>SOC31max, electronic control unit 7
The pwm control signal of output first switch 51, the switch of second switch the 52, the 3rd 53 so that the electric energy of the first energy storage device 31 turns
Move on to the second energy storage device 32；If SOC31<SOC31min, electronic control unit 7 output first switch 51, second switch 52,
The pwm control signal of the 3rd switch 53 so that the electric energy transfer of the second energy storage device 32 is shifted to the first energy storage device 31
Average output current A2outavgs of the electric current A32_31 more than or equal to electric machine controller 2；If SOC31max>SOC31>
SOC31min, then close first switch 51, the switch of second switch 52 and the 3rd 53；Wherein SOC31 is the first energy storage device 31
SOC, SOC31min are the minimum SOC of the first energy storage device 31, and SOC31max is the maximum SOC, SOC32 of the first energy storage device 31
It is the SOC of the second energy storage device 32, SOC32min is the minimum SOC of the second energy storage device 32, and SOC32max is filled for the second energy storage
The 32 maximum SOC upper limits are put, A6 is the output current of TRT 6, and A2outavg is operated in motor shape for motor 1
State, the average output current of electric machine controller 2；A32_31 is the electric energy transfer of the second energy storage device 32 to the first energy storage device 31
Electric current.
Claims (3)
1. a kind of mesh font electric automobile hybrid power supply, it is characterised in that agent structure includes motor, motor control
Device, the first energy storage device, the second energy storage device, the first inductance, the second inductance, first switch, second switch, third switch, hair
Electric installation, electronic control unit, direct current charge-discharge interface, the first tie point, the second tie point, the 3rd tie point, the 4th connection
Point, communication bus and control line；First switch, second switch and the 3rd switch are sequentially connected in series, and first switch and second is opened
The first tie point is provided between pass, the second tie point, first switch and TRT are provided between second switch and the 3rd switch
Positive pole connection, the 3rd switch be connected with the negative pole of the second energy storage device；First energy storage device, the second energy storage device and the dress that generates electricity
Put and be sequentially connected in series, the negative pole of the first energy storage device is electrically connected with the positive pole of the second energy storage device, the first energy storage device is just
Pole is electrically connected with the negative pole of TRT, and the 3rd tie point, the first storage are provided between the first energy storage device and the second energy storage device
The 4th tie point can be provided between device and TRT；The two ends of the first inductance respectively with the first tie point and the 4th tie point
Connection；The two ends of the second inductance are connected with the second tie point and the 3rd tie point respectively；The positive pole and motor of the first energy storage device
The direct current input positive pole electrical connection of controller, negative pole is electrically connected with the direct current input negative pole of electric machine controller；Electric machine controller
Output end is electrically connected with motor；The positive terminal and negative terminal of direct current charge-discharge interface connect the second energy storage device respectively
Positive pole and negative pole；Electronic control unit by communication bus respectively with the first energy storage device, the second energy storage device, TRT
Status data exchange is carried out with the connection of direct current charge-discharge interface, and controls TRT output current；Electronic control unit passes through
Control line is connected with first switch, second switch and the 3rd switch respectively, control first switch, second switch, third switch
Conducting and shut-off.
2. mesh font electric automobile hybrid power supply according to claim 1, it is characterised in that the first switch, second
Switch and the 3rd switch are FET or insulated gate bipolar transistor；First energy storage device is filled for the energy storage of dc power type
Put, including dynamic lithium battery group or super capacitor；Second energy storage device is DC energy storage type battery pack, including energy-storage lithium battery group
Or lead-acid battery；TRT is the power output device of direct current output, including internal combustion engine generator group or fuel cell.
3. mesh font electric automobile hybrid power supply according to claim 2, it is characterised in that electricity is mixed to electric automobile
The operation principle that source is controlled is：Electronic control unit reads the first energy storage device and the second energy storage in real time by communication bus
The state-of-charge of device, conducting and shut-off and the dress that generates electricity of state-of-charge control first switch and second switch according to both
The open and close put, concretely comprise the following steps：
（1）Whether electronic control unit judges whole device in charged state by direct current charge-discharge interface, if charging
State, into charging cycle（2）, if not charged state, into discharge cycles（3）；
（2）Charging cycle：
The first step, closes TRT；
Whether second step, judge SOC32 more than SOC32max, if SOC32>SOC32max, electronic control unit output first
Switch, second switch, the pwm control signal of the 3rd switch so that the electric energy transfer of the second energy storage device to the first energy storage device；
Whether 3rd step, judge SOC31 more than SOC31max, if SOC31>SOC31max, electronic control unit output control
Signal, all off first switch, second switch and the 3rd switch, charging terminates；If SOC31<SOC31max, returns to second
Step, circulates successively；
（3）Discharge cycles,
The first step, judges the state-of-charge of the second energy storage device, if SOC32>SOC32max, closes TRT；If
SOC32<SOC32min, opens TRT, the PWM of electronic control unit output first switch, second switch and the 3rd switch
Control signal so that the electric energy of TRT is transferred to the first energy storage device and the second energy storage device respectively；If SOC32max
>SOC32>SOC32min, keeps TRT state constant；TRT is stored up to the first energy storage device and second respectively when opening
Can device charge, and TRT output current more than or equal to electric machine controller average output current；
Second step, judges the state-of-charge of the first energy storage device, if SOC31>SOC31max, electronic control unit output first
The pwm control signal of switch, second switch and the 3rd switch, makes the electric energy transfer of the first energy storage device to the second energy storage device；
If SOC31<SOC31min, the pwm control signal of electronic control unit output first switch, second switch and the 3rd switch,
Make the electric energy transfer of the second energy storage device to the first energy storage device, and transfer current is average defeated more than or equal to electric machine controller
Go out electric current；If SOC31max>SOC31>SOC31min, then close first switch, second switch and the 3rd switch；Wherein
SOC31 is the SOC of the first energy storage device, and SOC31min is the minimum SOC of the first energy storage device, and SOC31max is the first energy storage
The maximum SOC of device, SOC32 are the SOC of the second energy storage device, and SOC32min is the minimum SOC of the second energy storage device,
SOC32max is the maximum SOC upper limits of the second energy storage device.
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| CN201511000341.XA CN105480107B (en) | 2015-12-28 | 2015-12-28 | A kind of mesh font electric automobile hybrid power supply |
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|---|---|---|---|
| CN201511000341.XA CN105480107B (en) | 2015-12-28 | 2015-12-28 | A kind of mesh font electric automobile hybrid power supply |
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| CN105480107A CN105480107A (en) | 2016-04-13 |
| CN105480107B true CN105480107B (en) | 2017-07-04 |
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| CN108482130A (en) * | 2018-03-27 | 2018-09-04 | 吉利汽车研究院（宁波）有限公司 | Energy regenerating control device, vehicle energy recovery system and automobile |
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| CN103818265A (en) * | 2012-11-19 | 2014-05-28 | 伊顿公司 | Battery management device used on power communication medium |
| EP2738036A2 (en) * | 2012-12-03 | 2014-06-04 | General Electric Company | Electric drive system and energy management method |
| CN103944198A (en) * | 2013-01-17 | 2014-07-23 | 西门子公司 | Charging and driving system of electric vehicle and charging device |
| WO2014125737A1 (en) * | 2013-02-18 | 2014-08-21 | 日産自動車株式会社 | Battery control apparatus and power supply control method |
| JP2015089152A (en) * | 2013-10-28 | 2015-05-07 | トヨタ自動車株式会社 | Power storage system |
| CN104999920A (en) * | 2014-04-16 | 2015-10-28 | 上海通用汽车有限公司 | Double battery management system of engine automatic start and stop vehicle |
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| CN105480107A (en) | 2016-04-13 |
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