CN105438165B - Starting control method and system of hybrid electric vehicle and hybrid electric vehicle - Google Patents
Starting control method and system of hybrid electric vehicle and hybrid electric vehicle Download PDFInfo
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- CN105438165B CN105438165B CN201510991884.6A CN201510991884A CN105438165B CN 105438165 B CN105438165 B CN 105438165B CN 201510991884 A CN201510991884 A CN 201510991884A CN 105438165 B CN105438165 B CN 105438165B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002826 coolant Substances 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
-
- 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
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a starting control method and a starting control system of a hybrid electric vehicle and the hybrid electric vehicle, wherein the method comprises the following steps: receiving a starting instruction and entering a starting mode; in the starting mode, detecting the state of an engine, the state of a power battery and the state of a driving motor, and judging whether the driving motor can start the engine according to the state of the engine and the state of the driving motor; if the driving motor can start the engine, further determining preset starting time according to the state of the power battery, and starting the engine by using the driving motor; and starting the engine by using the starting motor if the engine is not successfully started within the preset starting time. According to the method provided by the embodiment of the invention, the starting speed of the engine can be accelerated, the noise and the emission in the starting process can be reduced, and the reliability and the safety of the engine starting can be improved.
Description
Technical field
The present invention relates to Development of HEV Technology field, in particular to the starting controlling party of a kind of hybrid vehicle
Method, system and hybrid vehicle.
Background technique
Hybrid power refers to that automobile is driven and be driven by electricity two kinds of driving methods using fuel oil.Hybrid vehicle is due to comprehensive
The advantages of having closed fuel-engined vehicle and pure electric automobile gradually becomes the research object of major automobile production enterprise.
It is generally fitted with starting motor in traditional fuel-engined vehicle, the starting of engine is realized for dragging engine.
However the power for starting motor is lower, and revolving speed is relatively low, it is therefore desirable to and the long period can be such that engine successfully starts up, and
The discharge of engine during startup is higher, and noise is also larger.Also there is starting motor in hybrid vehicle, pass through starting
Motor realizes that the starting of hybrid electric vehicle engine undoubtedly equally has disadvantages mentioned above.
In the related art, the starting that engine can be realized using the driving motor in hybrid vehicle, one
Determine to overcome disadvantages mentioned above in degree.But in some conditions, when such as temperature of powered cell sharply increases, if continuing to lead to
Motor overdrive to realize the starting of engine, then is likely to starting failure, but also power battery may be damaged.Only for reality
Now start the function of engine and cause the damage of power battery, undoubtedly will use family and be difficult to receive.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of starting control method of hybrid vehicle, can accelerate the starting speed of engine, and subtract
Noise and discharge in small start-up course, while can be improved the reliability and safety of engine start.
Second object of the present invention is to propose a kind of starting control system of hybrid vehicle.
Third object of the present invention is to propose a kind of hybrid vehicle.
The starting control method of the hybrid vehicle of embodiment according to a first aspect of the present invention, includes the following steps：It connects
Enabled instruction is received, and enters start-up mode；Under the start-up mode, detection engine condition, power battery state and driving
Motor status, and judge whether driving motor can start described start according to the engine condition and driving motor state
Machine；If the driving motor can start the engine, further determined according to the power battery state preset
Start the time, and starts the engine using the driving motor；If the engine is in the preset starting time
Interior failed starting then utilizes engine described in starting electric motor starting.
The starting control method of hybrid vehicle according to an embodiment of the present invention, can be according to engine condition and driving
Motor status judges whether driving motor can start engine, and when can determine preset starting according to power battery state
Between, if started not successfully within the preset starting time, use starting electric motor starting engine instead.Thereby, it is possible to as far as possible
Ground starts engine by driving motor, so as to improve starting performance, that is, accelerates the starting speed of engine and subtracts
Noise and discharge in small start-up course.Meanwhile starting electric motor starting engine, Neng Gouti being used in combination in some conditions
The success rate of height starting, and reduce and power battery and driving motor bring are damaged, so that improve engine start can
By property and safety.
The starting control system of the hybrid vehicle of embodiment according to a second aspect of the present invention, including：Engine management
System, the engine management system is for detecting engine condition；Battery management system, the battery management system is for examining
Survey power battery state；Motor management systems, the motor management systems are for detecting driving motor state；Full-vehicle control list
Member, the full-vehicle control unit enters start-up mode for receiving enabled instruction, under the start-up mode, according to described
Engine condition and driving motor state judge whether driving motor can start the engine, the driving motor can
When starting the engine, the preset starting time is further determined according to the power battery state, and control the driving
Engine described in electric motor starting, when the engine starts not successfully within the preset starting time, control starting electricity
Machine starts the engine.
The starting control system of hybrid vehicle according to an embodiment of the present invention, can be according to engine condition and driving
Motor status judges whether driving motor can start engine, and when can determine preset starting according to power battery state
Between, if started not successfully within the preset starting time, use starting electric motor starting engine instead.Thereby, it is possible to as far as possible
Ground starts engine by driving motor, so as to improve starting performance, that is, accelerates the starting speed of engine and subtracts
Noise and discharge in small start-up course.Meanwhile starting electric motor starting engine, Neng Gouti being used in combination in some conditions
The success rate of height starting, and reduce and power battery and driving motor bring are damaged, so that improve engine start can
By property and safety.
The hybrid vehicle of embodiment according to a third aspect of the present invention, including embodiment according to a second aspect of the present invention
The starting control system of hybrid vehicle.
Hybrid vehicle according to an embodiment of the present invention can drive according to engine condition and the judgement of driving motor state
Whether dynamic motor can start engine, and the preset starting time can be determined according to power battery state, if default
The starting time in start not successfully, then use instead starting electric motor starting engine.Thereby, it is possible to pass through driving motor as much as possible
Start engine, so as to improve starting performance, that is, accelerates the starting speed of engine and reduce in start-up course
Noise and discharge.Meanwhile starting electric motor starting engine being used in combination in some conditions, it can be improved the success of starting
Rate, and reduce and power battery and driving motor bring are damaged, to improve the reliability and safety of engine start.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the flow chart according to the starting control method of the hybrid vehicle of one embodiment of the invention；
Fig. 2 is the structural block diagram according to the starting control system of the hybrid vehicle of one embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The starting control method, system and mixing for describing the hybrid vehicle of the embodiment of the present invention with reference to the accompanying drawing are dynamic
Power automobile.
Fig. 1 is the flow chart according to the starting control method of the hybrid vehicle of one embodiment of the invention.
As shown in Figure 1, the starting control method of the hybrid vehicle of the embodiment of the present invention, includes the following steps：
S101 receives enabled instruction, and enters start-up mode.
It in an embodiment of the present invention, can be using the ON of key shelves signal as enabled instruction, in the ON shelves for receiving key
When signal, into start-up mode.
S102, in the startup mode, detection engine condition, power battery state and driving motor state, and according to hair
Motivational state and driving motor state judge whether driving motor can start engine.
In an embodiment of the present invention, engine condition can be detected by the engine management system in hybrid vehicle,
Power battery state can be detected by battery management system, and can detect driving motor state by motor management systems.In the present invention
Embodiment in, reception remittance can be carried out to engine condition, power battery state and driving motor state by full-vehicle control unit
Summation processing.Wherein, can lead between full-vehicle control unit and engine management system, battery management system and motor management systems
CAN (Controller Area Network, controller local area network) bus is crossed to be communicated.
In one embodiment of the invention, engine condition may include the temperature of engine coolant, driving motor shape
State may include the nominal torque of driving motor.Specifically, the moment of resistance of engine can be determined according to the temperature of engine coolant,
If the nominal torque of driving motor is greater than the moment of resistance of engine, judge that driving motor can start engine, if driven
The nominal torque of dynamic motor is not more than the moment of resistance of engine, then judges that driving motor can not start engine.
S103 further determines preset open according to power battery state if driving motor can start engine
The dynamic time, and start engine using driving motor.
In one embodiment of the invention, power battery state may include the temperature of power battery.It should be appreciated that such as
The power batteries such as nickel-metal hydride battery are generally more sensitive to temperature.During power battery electric discharge, the temperature meeting of power battery
It increases, and if the temperature of power battery is excessively high, it can be damaged.It is understood that if inactive in driving motor
When engine, the temperature of power battery is very high, then its time that can be provided with driving motor starting engine electric energy will
It is shorter.Therefore, in an embodiment of the present invention, the preset starting time can be determined according to the temperature of power battery.
S104 utilizes starting electric motor starting engine if engine starts not successfully within the preset starting time.
If engine starts successfully within the preset starting time, engine can be made to keep stable idling mode.
And if engine inactive success within the preset starting time, driving motor should not be continued to use to start engine,
At this point, the starting motor that hybrid vehicle is configured can be used instead to start engine.
The starting control method of hybrid vehicle according to an embodiment of the present invention, can be according to engine condition and driving
Motor status judges whether driving motor can start engine, and when can determine preset starting according to power battery state
Between, if started not successfully within the preset starting time, use starting electric motor starting engine instead.Thereby, it is possible to as far as possible
Ground starts engine by driving motor, so as to improve starting performance, that is, accelerates the starting speed of engine and subtracts
Noise and discharge in small start-up course.Meanwhile starting electric motor starting engine, Neng Gouti being used in combination in some conditions
The success rate of height starting, and reduce and power battery and driving motor bring are damaged, so that improve engine start can
By property and safety.
In addition, after entering start-up mode, if engine condition, power battery state or the generation of driving motor state are different
Often, then start-up mode can be directly exited, starting engine is stopped.
In one embodiment of the invention, in the startup mode, if the temperature of engine coolant is lower than default temperature
Angle value then exits start-up mode.When the temperature of engine coolant is lower than preset temperature value, driving motor is either utilized,
Or it using starting motor, is difficult to successfully start up engine, therefore can directly stop start-up course.
In one embodiment of the invention, engine condition may also include engine speed, in the startup mode, if
Engine speed reduces, and is lower than preset rotation speed value, then exits start-up mode.In the start-up course of engine, it is likely that go out
The case where existing engine resistance torque moment uprushes, engine speed is likely to drop to zero at this time.Such case is easy to
Engine is caused to flood cylinder.Therefore, if detecting, engine speed reduces, and is lower than preset rotation speed value, then can directly stop starting
Process.
In one embodiment of the invention, power battery state may also include state-of-charge and discharge power, start
Under mode, if state-of-charge exits start-up mode lower than charged value or discharge power is preset lower than predetermined power value.It is dynamic
When the state-of-charge of power battery is lower, it is difficult to provide enough electric energy for driving motor to start engine, therefore can directly stop
Only start-up course.When the discharge power of power battery is lower, continuing discharge electrode may cause power battery electric discharge excessively, can be to dynamic
Power battery causes expendable damage, therefore can also directly stop start-up course.
In one embodiment of the invention, driving motor state, which may also include driving motor, fault-free, in starting mould
Under formula, if driving motor is faulty, start-up mode is exited.Start when motor breaks down or can not normally start hair
It motivation or remains in operation and will cause further damage.Therefore, when driving motor in the event of failure, can directly stop starting
Journey.
It should be noted that preset starting time, preset temperature value mentioned by the above embodiment of the present invention, default turn
Fast value presets charged value and predetermined power value, can be set according to the specific performance of power battery or other relevant devices,
This inconvenience is limited to specific value.
To realize above-described embodiment, the present invention also proposes a kind of starting control system of hybrid vehicle.
Fig. 2 is the structural block diagram according to the starting control system of the hybrid vehicle of one embodiment of the invention.
As shown in Fig. 2, the starting control system of the hybrid vehicle of the embodiment of the present invention, including：Engine management system
System 10, battery management system 20, motor management systems 30 and full-vehicle control unit 40.
Wherein, engine management system 10 is for detecting engine condition, and battery management system 20 is for detecting power electric
Pond state, motor management systems 30 are for detecting driving motor state.Full-vehicle control unit 40 is gone forward side by side for receiving enabled instruction
Enter start-up mode, in the startup mode, judges whether driving motor can start according to engine condition and driving motor state
Engine further determines the preset starting time according to power battery state when driving motor can start engine, and
It controls driving motor and starts engine, when engine starts not successfully within the preset starting time, control starting motor is opened
Dynamic engine.
In an embodiment of the present invention, full-vehicle control unit 40 can connect using the ON of key shelves signal as enabled instruction
When receiving the ON shelves signal of key, into start-up mode.In an embodiment of the present invention, full-vehicle control unit 40 and engine tube
It can be communicated by CAN bus between reason system 10, battery management system 20 and motor management systems 30.
In one embodiment of the invention, engine condition may include the temperature of engine coolant, driving motor shape
State may include the nominal torque of driving motor.Specifically, full-vehicle control unit 40 can be determined according to the temperature of engine coolant
The moment of resistance of engine judges that driving motor can start when the nominal torque of driving motor is greater than the moment of resistance of engine
Engine, and when the nominal torque of driving motor is not more than the moment of resistance of engine, judge that driving motor can not start hair
Motivation.
In one embodiment of the invention, power battery state may include the temperature of power battery.It should be appreciated that such as
The power batteries such as nickel-metal hydride battery are generally more sensitive to temperature.During power battery electric discharge, the temperature meeting of power battery
It increases, and if the temperature of power battery is excessively high, it can be damaged.It is understood that if inactive in driving motor
When engine, the temperature of power battery is very high, then its time that can be provided with driving motor starting engine electric energy will
It is shorter.Therefore, in an embodiment of the present invention, full-vehicle control unit 40 can determine preset open according to the temperature of power battery
The dynamic time.
If engine starts successfully within the preset starting time, engine can be made to keep stable idling mode.
And if engine inactive success within the preset starting time, driving motor should not be continued to use to start engine,
At this point, the starting motor that hybrid vehicle is configured can be used instead to start engine.
The starting control system of hybrid vehicle according to an embodiment of the present invention, can be according to engine condition and driving
Motor status judges whether driving motor can start engine, and when can determine preset starting according to power battery state
Between, if started not successfully within the preset starting time, use starting electric motor starting engine instead.Thereby, it is possible to as far as possible
Ground starts engine by driving motor, so as to improve starting performance, that is, accelerates the starting speed of engine and subtracts
Noise and discharge in small start-up course.Meanwhile starting electric motor starting engine, Neng Gouti being used in combination in some conditions
The success rate of height starting, and reduce and power battery and driving motor bring are damaged, so that improve engine start can
By property and safety.
In addition, after entering start-up mode, if engine condition, power battery state or the generation of driving motor state are different
Often, then start-up mode can be directly exited, starting engine is stopped.
In one embodiment of the invention, full-vehicle control unit 40 can also be in the temperature of engine coolant lower than default
When temperature value, start-up mode is exited.When the temperature of engine coolant is lower than preset temperature value, driving electricity is either utilized
Machine, or using starting motor, be difficult to successfully start up engine, therefore can directly stop start-up course.
In one embodiment of the invention, engine condition may also include engine speed, and full-vehicle control unit 40 is also
When can reduce in engine speed, and be lower than preset rotation speed value, start-up mode is exited.In the start-up course of engine, very may be used
The case where engine resistance torque moment capable of occur and uprush, engine speed is likely to drop to zero at this time.The appearance of such case is very
It is easy to cause engine to flood cylinder.Therefore, if detecting, engine speed reduces, and is lower than preset rotation speed value, then can directly stop
Start-up course.
In one embodiment of the invention, power battery state may also include state-of-charge and discharge power, vehicle control
Unit 40 processed can also exit start-up mode when state-of-charge is lower than charged value or discharge power is preset lower than predetermined power value.
When the state-of-charge of power battery is lower, it is difficult to provide enough electric energy for driving motor to start engine, therefore can be direct
Stop start-up course.When the discharge power of power battery is lower, continuing discharge electrode may cause power battery electric discharge excessively, can give
Power battery causes expendable damage, therefore can also directly stop start-up course.
In one embodiment of the invention, driving motor state, which may also include driving motor, fault-free, full-vehicle control
Unit 40 can also driving motor in the event of failure, exit start-up mode.It can not start when starting motor breaks down or normally
It engine or remains in operation and will cause further damage.Therefore, when driving motor in the event of failure, can directly stop starting
Process.
It should be noted that preset starting time, preset temperature value mentioned by the above embodiment of the present invention, default turn
Fast value presets charged value and predetermined power value, can be set according to the specific performance of power battery or other relevant devices,
This inconvenience is limited to specific value.
Corresponding above-described embodiment, the present invention also propose a kind of hybrid vehicle.
The hybrid vehicle of the embodiment of the present invention, including opening for hybrid vehicle according to the above embodiment of the present invention
Autocontrol system.Its specific embodiment can refer to above-described embodiment, and to avoid redundancy, details are not described herein.
Hybrid vehicle according to an embodiment of the present invention can drive according to engine condition and the judgement of driving motor state
Whether dynamic motor can start engine, and the preset starting time can be determined according to power battery state, if default
The starting time in start not successfully, then use instead starting electric motor starting engine.Thereby, it is possible to pass through driving motor as much as possible
Start engine, so as to improve starting performance, that is, accelerates the starting speed of engine and reduce in start-up course
Noise and discharge.Meanwhile starting electric motor starting engine being used in combination in some conditions, it can be improved the success of starting
Rate, and reduce and power battery and driving motor bring are damaged, to improve the reliability and safety of engine start.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (13)
1. a kind of starting control method of hybrid vehicle, which is characterized in that include the following steps：
Enabled instruction is received, and enters start-up mode；
Under the start-up mode, detection engine condition, power battery state and driving motor state, and started according to described
Machine state and driving motor state judge whether driving motor can start the engine；
If the driving motor can start the engine, further determined according to the power battery state preset
Start the time, and start the engine using the driving motor, wherein is determined according to the temperature of the power battery default
The starting time；
If the engine starts not successfully within the preset starting time, start using described in starting electric motor starting
Machine,
Wherein, after entering start-up mode, if engine condition, power battery state or driving motor state are abnormal,
Start-up mode is then directly exited, starting engine is stopped,
The engine condition includes the temperature of the engine coolant, and the driving motor state includes the driving motor
Nominal torque, it is described to judge whether driving motor start the hair according to the engine condition and driving motor state
Motivation includes：
The moment of resistance of engine is determined according to the temperature of the engine coolant；
If the nominal torque of the driving motor is greater than the moment of resistance of the engine, judge that the driving motor can open
The engine is moved, if the nominal torque of the driving motor is not more than the moment of resistance of the engine, judges driving electricity
Machine can not start the engine.
2. the starting control method of hybrid vehicle according to claim 1, which is characterized in that the power battery shape
State includes the temperature of power battery.
3. the starting control method of hybrid vehicle according to claim 1, which is characterized in that further include：
Under the start-up mode, if the temperature of the engine coolant is lower than preset temperature value, the starting is exited
Mode.
4. the starting control method of hybrid vehicle according to claim 1, which is characterized in that the engine condition
It further include engine speed, the method also includes：
Under the start-up mode, if the engine speed reduces, and is lower than preset rotation speed value, then the starting mould is exited
Formula.
5. the starting control method of hybrid vehicle according to claim 1, which is characterized in that the power battery shape
State further includes state-of-charge and discharge power, the method also includes：
Under the start-up mode, if the state-of-charge, which is lower than, presets charged value or the discharge power lower than default function
Rate value then exits the start-up mode.
6. the starting control method of hybrid vehicle according to claim 1, which is characterized in that the driving motor shape
State further includes that driving motor has fault-free, the method also includes：
Under the start-up mode, if the driving motor is faulty, the start-up mode is exited.
7. a kind of starting control system of hybrid vehicle, which is characterized in that including：
Engine management system, the engine management system is for detecting engine condition；
Battery management system, the battery management system is for detecting power battery state；
Motor management systems, the motor management systems are for detecting driving motor state；
Full-vehicle control unit, the full-vehicle control unit enters start-up mode for receiving enabled instruction, in the starting mould
Under formula, judge whether driving motor can start the engine according to the engine condition and driving motor state, in institute
When the engine can be started by stating driving motor, the preset starting time is further determined according to the power battery state,
And control the driving motor and start the engine, start not successfully within the preset starting time in the engine
When, control starts engine described in electric motor starting, wherein the preset starting time is determined according to the temperature of the power battery,
After entering start-up mode, full-vehicle control unit occurs in engine condition, power battery state or driving motor state
When abnormal, start-up mode is directly exited, stops starting engine,
The engine condition includes the temperature of the engine coolant, and the driving motor state includes the driving motor
Nominal torque, the full-vehicle control unit is used for：
The moment of resistance of engine is determined according to the temperature of the engine coolant；
When the nominal torque of the driving motor is greater than the moment of resistance of the engine, judge that the driving motor can start
The engine judges driving motor not when the nominal torque of the driving motor is not more than the moment of resistance of the engine
The engine can be started.
8. the starting control system of hybrid vehicle according to claim 7, which is characterized in that the power battery shape
State includes the temperature of power battery.
9. the starting control system of hybrid vehicle according to claim 7, which is characterized in that the full-vehicle control list
Member is also used to：
When the temperature of the engine coolant is lower than preset temperature value, the start-up mode is exited.
10. the starting control system of hybrid vehicle according to claim 7, which is characterized in that the engine shape
State further includes engine speed, and the full-vehicle control unit is also used to：
When reducing in the engine speed, and being lower than preset rotation speed value, the start-up mode is exited.
11. the starting control system of hybrid vehicle according to claim 7, which is characterized in that the power battery
State further includes state-of-charge and discharge power, and the full-vehicle control unit is also used to：
When the state-of-charge is lower than charged value or the discharge power is preset lower than predetermined power value, the starting is exited
Mode.
12. the starting control system of hybrid vehicle according to claim 7, which is characterized in that the driving motor
State further includes that driving motor has fault-free, and the full-vehicle control unit is also used to：
The driving motor in the event of failure, exit the start-up mode.
13. a kind of hybrid vehicle, which is characterized in that including according to the described in any item hybrid power vapour of claim 7-12
The starting control system of vehicle.
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| JP6520908B2 (en) * | 2016-12-22 | 2019-05-29 | トヨタ自動車株式会社 | Hybrid vehicle |
| CN109591801B (en) * | 2017-09-29 | 2020-09-15 | 比亚迪股份有限公司 | Hybrid electric vehicle, power system and control method thereof |
| CN109572663B (en) * | 2017-09-29 | 2020-08-25 | 比亚迪股份有限公司 | Hybrid electric vehicle and control method and device of engine of hybrid electric vehicle |
| CN108422991A (en) * | 2018-03-29 | 2018-08-21 | 吉利汽车研究院（宁波）有限公司 | The control method of flexible four-cylinder, apparatus and system |
| CN113006996B (en) * | 2019-12-20 | 2022-08-19 | 广州汽车集团股份有限公司 | ISG dragging torque control method, device and unit of plug-in hybrid electric vehicle |
| CN112572345B (en) * | 2020-12-04 | 2022-03-22 | 浙江吉利控股集团有限公司 | Method and system for remotely starting hybrid electric vehicle |
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| CN100417539C (en) * | 2004-07-05 | 2008-09-10 | 段志辉 | Electro-mechanic mixed driving system of automobile |
| CN1757533A (en) * | 2004-08-13 | 2006-04-12 | 段志辉 | Epicyclie gearing type electro-mechanical driving mechanism for electro-mechanical drivnig system of automobile |
| CN101011931A (en) * | 2007-01-30 | 2007-08-08 | 重庆大学 | Drive system and drive method of ISG type whole wheel driven hybrid power automobile |
| CN101417653B (en) * | 2008-11-18 | 2011-08-10 | 奇瑞汽车股份有限公司 | Startup control method of mixed power automobile |
| CN203937510U (en) * | 2014-05-22 | 2014-11-12 | 浙江吉利控股集团有限公司 | A kind of drive configuration of hybrid vehicle |
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