CN109955707A - Hybrid vehicle and its electricity-generating control method and dynamical system - Google Patents
Hybrid vehicle and its electricity-generating control method and dynamical system Download PDFInfo
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- CN109955707A CN109955707A CN201711404090.0A CN201711404090A CN109955707A CN 109955707 A CN109955707 A CN 109955707A CN 201711404090 A CN201711404090 A CN 201711404090A CN 109955707 A CN109955707 A CN 109955707A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
-
- 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
Abstract
The invention discloses a kind of hybrid vehicle and its electricity-generating control method and dynamical systems, wherein dynamical system includes: engine, and engine outputs power to the wheel of hybrid vehicle by clutch；Power motor, power motor are used to output driving force to the wheel of hybrid vehicle；Power battery, power battery are used to power to power motor；The auxiliary-motor being connected with engine, auxiliary-motor are connected with power motor and power battery respectively, and auxiliary-motor generates electricity under the drive of engine；Control module, control module controls auxiliary-motor according to the speed of the current state of clutch, the SOC value of power battery and hybrid vehicle and enters corresponding power generation mode, to power to vehicle and/or to power battery charging.Thereby, it is possible to realize that the full working scope of hybrid vehicle generates electricity, and generating efficiency is high, facilitates the mileage travelled demand for meeting user to vehicle, and then the user experience is improved.
Description
Technical field
The present invention relates to automotive field, in particular to a kind of dynamical system of hybrid vehicle, a kind of hybrid power vapour
The electricity-generating control method of vehicle and a kind of hybrid vehicle.
Background technique
Currently, the driving mode of hybrid vehicle mainly has fuel oil mode, electric-only mode and hybrid mode.?
In the existing generation technology of hybrid vehicle, power generation transmission chain it is longer, for the power generation mode of original place, generating efficiency compared with
It is low, and due to the limitation of transmission mechanism, cause hybrid vehicle not can be carried out power generation cascade.
In addition, the high-voltage electricity due to vehicle is only derived from power battery, when power battery breaks down, will lead to
All high-voltage electrical equipments of vehicle cannot work, and affect the overall operation of vehicle, cause user's driving experience bad.
Summary of the invention
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, of the invention
One purpose is to propose that a kind of dynamical system of hybrid vehicle, the system can be realized the full working scope of hybrid vehicle
Power generation, and generating efficiency is high, facilitates the mileage travelled demand for meeting user to vehicle, and then the user experience is improved.
Second object of the present invention is to propose a kind of hybrid vehicle.
Third object of the present invention is to propose a kind of electricity-generating control method of hybrid vehicle.
Fourth object of the present invention is to propose a kind of computer readable storage medium.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of dynamical system of hybrid vehicle,
The dynamical system includes: engine, and the engine outputs power to the wheel of the hybrid vehicle by clutch；
Power motor, the power motor are used to output driving force to the wheel of the hybrid vehicle；Power battery, the power
Battery is used to power to the power motor；The auxiliary-motor being connected with the engine, the auxiliary-motor respectively with the power
Motor is connected with power battery, and the auxiliary-motor generates electricity under the drive of the engine；Control module, the control mould
Block is used to obtain the speed of the current state of the clutch, the SOC value of the power battery and the hybrid vehicle, and
According to the control of the speed of the current state of the clutch, the SOC value of the power battery and the hybrid vehicle
Auxiliary-motor enters corresponding power generation mode, to power to vehicle and/or to the power battery charging, wherein the power generation mould
Formula includes original place power generation mode, power generation cascade mode and mixed connection power generation mode.
The dynamical system of the hybrid vehicle proposed according to embodiments of the present invention, engine are defeated by power by clutch
The wheel of hybrid vehicle is arrived out；Power motor outputs driving force to the wheel of hybrid vehicle；Power battery is to power
Motor power supply；Auxiliary-motor generates electricity under the drive of engine；Control module obtains the current state of clutch, power battery
SOC value and hybrid vehicle speed, and according to the current state of clutch, the SOC value of power battery and hybrid power
The speed control auxiliary-motor of automobile enters corresponding power generation mode, to power to vehicle and/or to power battery charging, wherein
Power generation mode includes original place power generation mode, power generation cascade mode and mixed connection power generation mode.Thereby, it is possible to realize hybrid vehicle
Full working scope power generation, and generating efficiency is high, facilitates the mileage travelled demand for meeting user to vehicle, and then improve user's body
It tests.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of hybrid vehicle, including above-mentioned
The dynamical system of hybrid vehicle.
The hybrid vehicle proposed according to embodiments of the present invention, by the dynamical system of above-mentioned hybrid vehicle,
It can be realized the full working scope power generation of hybrid vehicle, and generating efficiency is high, facilitates the mileage travelled for meeting user to vehicle
Demand, and then the user experience is improved.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of Generation Control side of hybrid vehicle
Method, the electricity-generating control method is the following steps are included: obtain the current state of the clutch of the hybrid vehicle, the mixing
The speed of the SOC value of the power battery of power vehicle and the hybrid vehicle；According to the current state of the clutch, institute
The auxiliary-motor that the speed of the SOC value and the hybrid vehicle of stating power battery controls the hybrid vehicle enters corresponding
Mode, with to vehicle power and/or give the power battery charging, wherein drive of the auxiliary-motor in the engine
Under generate electricity, the power generation mode includes original place power generation mode, power generation cascade mode and mixed connection power generation mode.
The electricity-generating control method of hybrid vehicle according to an embodiment of the present invention first obtains the clutch of hybrid vehicle
Current state, the speed of the SOC value of the power battery of hybrid vehicle and hybrid vehicle of device, and then according to clutch
Current state, the speed of the SOC value of power battery and hybrid vehicle control hybrid vehicle auxiliary-motor enter phase
The mode answered, to power to vehicle and/or to power battery charging, wherein auxiliary-motor generates electricity under the drive of engine,
Power generation mode includes original place power generation mode, power generation cascade mode and mixed connection power generation mode.Thereby, it is possible to realize hybrid vehicle
Full working scope power generation, and generating efficiency is high, facilitates the mileage travelled demand for meeting user to vehicle, and then improve user's body
It tests.
In order to achieve the above objectives, a kind of computer readable storage medium that fourth aspect present invention embodiment proposes, has
It is stored in instruction therein, when executed, the hybrid vehicle executes the electricity-generating control method.
Computer readable storage medium according to an embodiment of the present invention has and is stored in instruction therein, works as hybrid power
When the processor of automobile executes the instruction, hybrid vehicle executes above-mentioned electricity-generating control method, so as to realize that mixing is dynamic
The full working scope of power automobile generates electricity, and generating efficiency is high, facilitates the mileage travelled demand for meeting user to vehicle, and then improve
User experience.
Detailed description of the invention
Fig. 1 is the block diagram according to the dynamical system of the hybrid vehicle of one embodiment of the invention；
Fig. 2 a is the structural schematic diagram according to the dynamical system of the hybrid vehicle of one embodiment of the invention；
Fig. 2 b is the structural schematic diagram according to the dynamical system of the hybrid vehicle of another embodiment of the present invention；
Fig. 3 is the block diagram according to the dynamical system of the hybrid vehicle of a specific embodiment of the invention；
Fig. 4 is the structural schematic diagram according to the dynamical system of the hybrid vehicle of a specific embodiment of the invention；
Fig. 5 is the power generation pressure stabilizing control according to the dynamical system of the hybrid vehicle of a specific embodiment of the invention
Flow chart；
Fig. 6 is the process according to the Generation Control of the dynamical system of the hybrid vehicle of a specific embodiment of the invention
Figure；
Fig. 7 is the block diagram according to the hybrid vehicle of the embodiment of the present invention；
Fig. 8 is the flow chart according to the electricity-generating control method of the hybrid vehicle of the embodiment of the present 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.
Fig. 1 is the block diagram of the dynamical system of hybrid vehicle according to an embodiment of the present invention.As shown in Figure 1, this is mixed
The dynamical system 100 for closing power vehicle includes: engine 1, power motor 2, power battery 3, auxiliary-motor 4 and control module 101.
A specific embodiment according to the present invention, hybrid vehicle can be PHEV (Plug-in Hybrid
Electric Vehicle, plug-in hybrid-power automobile).
Referring to Fig.1, engine 1 outputs power to the wheel 7 of hybrid vehicle by clutch 6；Power motor 2 is used
In the wheel 7 for outputting driving force to hybrid vehicle.That is, any of engine 1 and power motor 2 can be independent
Output power to wheel 7, alternatively, engine 1 and power motor 2 can also simultaneously output power to wheel 7.In this embodiment,
Clutch 6 is double clutch, can be separately connected the drive shaft of engine 1, power motor 2 and wheel 7.
Auxiliary-motor 4 is connected with engine 1, and for example, referring to Fig. 2 a, Fig. 2 b, auxiliary-motor 4 can pass through the train end of engine 1
It is connected with engine 1, auxiliary-motor 4 is also connected with power motor 2 and power battery 3 respectively, drive of the auxiliary-motor 4 in engine 1
Under when being generated electricity, realize and charge to power battery 3 and/or power to power motor 2, wherein power battery 3 can be used for dynamic
Force motor 2 is powered.It should be understood that engine 1 can drive auxiliary-motor 4 to generate electricity while output power is to wheel 7, it can also
Individually auxiliary-motor 4 is driven to generate electricity.
Control module 101 such as controls engine 1 and drives secondary electricity for controlling the dynamical system of hybrid vehicle
Machine 4 generates electricity.
Further, referring to Fig. 3, the dynamical system 100 of hybrid vehicle can also include DC-DC converter 5, secondary electricity
Machine 4 is also connected with DC-DC converter 5, when auxiliary-motor 4 is generated electricity under the drive of engine 1, can also realize to DC-DC
Converter 5 is powered.
In some embodiments, auxiliary-motor 4 can be BSG (Belt-driven Starter Generator, belt transmission
Starting/generating integrated motor) motor.It should be noted that auxiliary-motor 4 belongs to high-voltage motor, such as the power generation electricity of auxiliary-motor 4
Pressure is suitable with the voltage of power battery 3, so that the electric energy that auxiliary-motor 4 generates can be without voltage transformation directly to power battery 3
Charging can also power directly to power motor 2 and/or DC-DC converter 5.And auxiliary-motor 4 also belongs to high efficiency generator, example
It drives the power generation of auxiliary-motor 4 that higher generating efficiency can be realized such as under 1 idling speed of engine, improves normal power generation effect
Rate.
In some instances, a referring to fig. 2, when engine 1 and power motor 2 drive same wheel jointly, hybrid power
The dynamical system 100 of automobile further includes main reducing gear 80 and speed changer 90, wherein engine 1 passes through clutch 6, speed changer 90
And main reducing gear 80 outputs power to for example a pair of of front-wheel 71 of the first wheel of hybrid vehicle, power motor 2 passes through
Main reducing gear 80 outputs driving force to for example a pair of of front-wheel 71 of the first wheel of hybrid vehicle.Wherein, clutch 6 and speed change
Device 90 can be integrally disposed.
In other examples, b, drives the first wheel in engine 1 and power motor 2 drives the second wheel referring to fig. 2
When, the dynamical system 100 of hybrid vehicle further includes the first speed changer 91 and the second speed changer 92, wherein engine 1 passes through
Clutch 6 and the first speed changer 91 output power to for example a pair of of front-wheel 71 of the first wheel of hybrid vehicle, power electric
Machine 2 outputs driving force to the second wheel such as a pair of rear wheels 72 of hybrid vehicle by the second speed changer 92.Wherein, clutch
Device 6 can be integrally disposed with the first speed changer 91.
Further, in some embodiments of the invention, as shown in Fig. 2 a, Fig. 2 b, Fig. 4, hybrid vehicle is moved
Force system 100 further includes the second controller 21 for controlling the first controller 41 and control power motor 2 of auxiliary-motor 4, auxiliary-motor 4
It is connected to power battery 3 by the first controller 41, and power electric is connected to by the first controller 41 and second controller 21
Machine 2.
Specifically, the first controller 41 is connected with second controller 21, power battery 3 respectively, and the first controller 41 can
With AC-DC converter unit, auxiliary-motor 4 can produce alternating current when generating electricity, and auxiliary-motor 4 can be generated electricity and be generated by AC-DC converter unit
Convert alternating current be high voltage direct current such as 600V high voltage direct current, with realize charging to power battery 3, give power motor 2
At least one of power supply.
Similarly, second controller 21 can have DC-AC converter unit, and auxiliary-motor 4 can be generated electricity and be produced by the first controller 41
Raw convert alternating current is high voltage direct current, the high voltage direct current that DC-AC converter unit can again convert out the first controller 41
It is transformed to alternating current, to power to power motor 2.
In this embodiment, the first controller 41 has the first DC terminal, and second controller 21 has the second DC terminal.The
First DC terminal of one controller 41 can be connected with power battery 3, so that the first controller 41 is high by the output of the first DC terminal
Straightening galvanic electricity is to power battery 3 to charge to power battery 3.First DC terminal of the first controller 41 can be with second controller 21
The second DC terminal be connected so that the first controller 41 by the first DC terminal export high voltage direct current to second controller 21 with
It powers to power motor 2.
Further, a, Fig. 2 b, Fig. 4 referring to fig. 2, the first DC terminal and power battery 3 of the first controller 41 can be with
Electrical equipment 10 (including low voltage equipment with high-voltage electrical equipment) in hybrid vehicle is connected to electrical equipment 10
Power supply.It should be noted that when the first DC terminal and power battery 3 of the first controller 41 connect low voltage equipment,
The high voltage direct current and/or auxiliary-motor 4 that power battery 3 exports need to be exported by the first controller 41 by DC-DC converter 5
High voltage direct current be converted to low-voltage DC.
Wherein, low voltage equipment includes but is not limited to car light, radio, on-vehicle Bluetooth etc., and high-voltage electrical equipment includes
But be not limited to compressor of air conditioner, PTC (Positive Temperature Coefficient, positive temperature coefficient) heater,
Second electric machine controller 21 etc..
It should be noted that in embodiments of the present invention, low pressure can refer to the voltage of 12V (volt) or 24V, high pressure can refer to 600V
Voltage, but not limited to this.
In some embodiments of the invention, referring to Figure 1 and Figure 3, the control mould of the dynamical system 100 of hybrid vehicle
Block 101 is connected with clutch 6, power battery 3, generator 1 respectively, for obtaining current state, the power battery 3 of clutch 6
SOC value and hybrid vehicle speed, and it is dynamic according to the current state of clutch 6, the SOC value of power battery 3 and mixing
The speed control auxiliary-motor 4 of power automobile enters corresponding power generation mode, to power to vehicle and/or charge to power battery 3,
In, power generation mode includes original place power generation mode, power generation cascade mode and mixed connection power generation mode.
In this embodiment, the power generation mode of hybrid vehicle can be defined as follows:
Under static state, engine 1 is only involved in the power generation mode of power generation for original place power generation mode, i.e. hybrid vehicle；
Power generation cascade mode, i.e. hybrid vehicle are under driving status, and engine 1 is only involved in power generation, and to be not involved in power defeated
Power generation mode out；
Mixed connection power generation mode, i.e. hybrid vehicle are under driving status, and engine 1 both participates in power generation, and to also assist in power defeated
Power generation mode out.
It should be understood that control module 101 can be the integrated of the controller in hybrid vehicle with control function,
It may be, for example, the entire car controller of hybrid vehicle, the first controller 41 in Fig. 3 embodiment and second controller 21 etc.
It is integrated, but not limited to this.
Specifically, when hybrid vehicle runs on HEV (Hybrid Electric Vehicle, hybrid power) mode
When, clutch controller can control clutch 6 according to the current working of hybrid vehicle, driver intention, shift schedule etc.
In discrete state or bonding state.
When clutch 6 is in discrete state, if the SOC value of power battery 3 is less than or equal to the first preset value, and
The speed of hybrid vehicle is 0, and control module 101 then controls hybrid vehicle and enters original place power generation mode, to pass through control
Engine 1 processed drive the power generation of auxiliary-motor 4 meet vehicle power demand under static state and by extra electricity store to
In power battery 3, until control hybrid vehicle exits when the SOC value of power battery 3 is more than or equal to the second preset value
Original place power generation mode, wherein the second preset value is greater than the first preset value.
Optionally, the first preset value and the second preset value can be previously set according to power battery capacity.
When clutch 6 is in discrete state, if the SOC value of power battery 3 is less than or equal to third preset value, and
The speed of hybrid vehicle is less than or equal to the first preset vehicle speed, and control module 101 then controls hybrid vehicle entrance
Power generation cascade mode makes up vehicle under series connection traveling and uses electric consumption to drive the power generation of auxiliary-motor 4 by control engine 1
It stores with by extra electricity into power battery 3, until the SOC value of power battery 3 is more than or equal to the 4th preset value, or
When the speed of hybrid vehicle is more than or equal to the second preset vehicle speed, control hybrid vehicle exits power generation cascade mould
Formula, wherein third preset value is greater than the second preset value, and the 4th preset value is greater than third preset value, and the second preset vehicle speed is greater than the
One preset vehicle speed.
Optionally, the first preset vehicle speed and the second preset vehicle speed can be carried out according to the actual travel situation of hybrid vehicle
It presets, third preset value and the 4th preset value can be previously set according to power battery capacity.
When clutch 6 is in bonding state, engine 1 drives auxiliary-motor 4 by clutch 6 that power is defeated while power generation
Wheel 7 is arrived out, if the SOC value of power battery 3 is less than or equal to the 5th preset value, and the speed of hybrid vehicle is less than
Or it is equal to third preset vehicle speed, control module 101 then controls hybrid vehicle and enters mixed connection power generation mode, to pass through control
Engine 1 drives the power generation of auxiliary-motor 4 to make up vehicle storing to dynamic with electric consumption and by extra electricity under mixed connection traveling
In power battery 3, until the SOC value of power battery 3 is more than or equal to the 6th preset value, control hybrid vehicle exits mixed connection
Power generation mode, wherein the 5th preset value is greater than the 4th preset value, and the 6th preset value is greater than the 5th preset value, third preset vehicle speed
Greater than the second preset vehicle speed.
Optionally, third preset vehicle speed can be preset according to the actual travel situation of hybrid vehicle, and the 5th
Preset value and the 6th preset value can be previously set according to power battery capacity.
It should be noted that only the work of engine 1 provides dynamic when hybrid vehicle is run in pure fuel oil mode
Power output, power motor 2 do not work, and clutch 6 is in bonding state.At this point, if the SOC value of power battery 3 is not able to satisfy
Current power demand, control module 101 then can control hybrid vehicle according to the SOC value and speed of current power battery 3
Into corresponding power generation mode, rule is controlled as described above.
When hybrid vehicle is run in EV (Electric Vehicle, pure electric vehicle) mode, only power motor 2
Work provides power output, and clutch 6 is in discrete state.At this point, if the SOC value of power battery 3 be not able to satisfy it is current
Power demand, control module 101 then can control hybrid vehicle according to the SOC value and speed of current power battery 3 and enter phase
The power generation mode answered controls rule as described above.
In some embodiments of the invention, power motor 2 can also be with the effect of starter/generator, i.e., control module 101 can
Power motor 2 is controlled to generate electricity.
Further, after auxiliary-motor 4 enters original place power generation mode, if there are failure, control modules 101 for auxiliary-motor 4
Then controlling engine 1 drives power motor 2 to generate electricity.After auxiliary-motor 4 enters mixed connection power generation mode, if auxiliary-motor 4 is deposited
In failure, control module 101 then controls power motor 2 and generates electricity, and controls engine 1 and outputed power by clutch 6
To the wheel 7 of hybrid vehicle.
It should be noted that auxiliary-motor 4 can be detected by the entire car controller of such as hybrid vehicle of control module 101
With the presence or absence of failure.
In addition, as described above, the first controller 41 is connected with electrical equipment 10, when power motor 2,21 and of second controller
When power battery 3 breaks down, control module 101 can control engine 1 to drive auxiliary-motor 4 to generate electricity by the first control
41 electrical equipment 10 of device power supply processed, so that hybrid vehicle is travelled with pure fuel oil mode.It is appreciated that control module can be passed through
The entire car controller of 101 such as hybrid vehicles is detected when whether power motor 2, second controller 21 and power battery 3 are deposited
In failure.Auxiliary-motor 4 has independent supplying channels all the way as a result, when power motor 2, second controller 21 and power battery 3 occur
When failure, electric drive cannot achieve, pass through the independent supplying channels of auxiliary-motor 4 at this time, it is ensured that the electricity consumption of vehicle, it is ensured that
Vehicle can realize pure fuel oil mode traveling, facilitate the mileage travelled demand for meeting user to vehicle.
In some embodiments of the invention, referring to Fig. 4, the first controller 41 can pass through relay 8 and 4 phase of auxiliary-motor
Even, the first controller 41 is for obtaining pressure stabilizing control instruction and target voltage, and executes pressure stabilizing control instruction so that auxiliary-motor 4 is sent out
The absolute value of difference between the voltage and target voltage of electricity output is less than preset pressure.It is appreciated that the value of preset pressure
Range very little such as can be the value in the section [- 2V, 2V].
Wherein, control module 101 is also used to when auxiliary-motor 4 does not work (i.e. pass wave), if the revolving speed of auxiliary-motor 4 is greater than
First preset rotation speed then controls the shutdown of relay 8, to prevent function of overhigh counter electromotive force from damaging device.
Optionally, the first preset rotation speed can be according to the practical operation situation of auxiliary-motor 4 come default settings.
In some embodiments, referring to Fig. 4, power battery 3 can also by contactor 9 respectively with power motor 2, auxiliary-motor
4 are connected with electrical equipment 10.
Wherein, referring to Fig. 5, control module 101 is also used to when power battery 3 breaks down, and control contactor 9 disconnects,
And the starting of engine 1 is controlled, and control engine 1 drives auxiliary-motor 4 to generate electricity, thus, it is possible to guarantee the electricity consumption of vehicle, it is ensured that
Vehicle can realize pure fuel oil mode traveling, facilitate the mileage travelled demand for meeting user to vehicle.In addition, being sent out in auxiliary-motor 4
In electric process, if the first controller 41 obtains pressure stabilizing control instruction and target voltage, the first controller 41 executes pressure stabilizing control
System instructs so that the absolute value of the difference between the voltage and target voltage of the power generation output of auxiliary-motor 4 is less than preset pressure, with reality
Existing pressure stabilizing power supply, guarantees the normal work of high-pressure system.
It is understood that the voltage of the power generation output of auxiliary-motor 4 can by install such as voltage meter in circuit come
Acquisition obtains, to compare with target voltage, so that the absolute value for controlling the two difference is less than preset pressure.
It should be noted that (especially High-Voltage Electrical Appliances are set electrical equipment 10 in the case where 2 normal operation of power battery
It is standby) operating voltage can be provided by power battery 2, at this point, the first controller 41 can not control auxiliary-motor 4 carry out pressure stabilizing,
It is only generated electricity, to power to power battery 3 and/or power motor 2.
In an embodiment of the present invention, after auxiliary-motor 4 enters corresponding power generation mode, control module 101 is also according to mixed
The charge power P3 of the vehicle demand power P2 and power battery 3 that close power vehicle adjust the generated output P1 of auxiliary-motor 4
Section.
Specifically, control module 101 can adjust the generated output P1 of auxiliary-motor 4 according to the following formula:
P1=P2+P3,
Wherein, P2=P11+P21, P1 are the generated output of auxiliary-motor 4, and P2 is vehicle demand power, and P3 is power battery 3
Charge power, P11 be vehicle driving power, P21 be electrical equipment power.
It is appreciated that electrical equipment power P 21 may include needed for high-voltage electrical equipment and/or low voltage equipment electricity consumption
Power.
It should be noted that vehicle driving power P11 may include the output power of power motor 2, control module 101 can root
Vehicle driving power P11 is obtained according to default throttle-torque curve of power motor 2 and the revolving speed of power motor 2, wherein pre-
If throttle-torque curve can be determined when hybrid vehicle carries out power matching.In addition, control module 101 can be according to vehicle
The electrical equipment of operation obtains electrical equipment power P 21 in real time, such as calculates electrical equipment power by DC consumption in bus
P21.In addition, control module 101 can obtain the charge power P3 of power battery 3 according to the SOC value of power battery 3.Assuming that in real time
The vehicle driving power P11=b1kw of acquisition, electrical equipment power P 21=b2kw, the charge power P3=of power battery 3
B3kw, then generated output=b1+b2+b3 of auxiliary-motor 4.
Specifically, during hybrid electric vehicle is sailed, control module 101 can obtain the charging function of power battery 3
Rate P3, vehicle driving power P11 and electrical equipment power P 21, and by the charge power P3 of power battery 3, vehicle driving power
The generated output P1 of the sum of P11 and electrical equipment power P 21 as auxiliary-motor 4, control module 101 can be according to calculating as a result,
P1 value the generated output P1 of auxiliary-motor 4 is adjusted, such as control module 101 can be according to calculated P1 value to engine
1 output torque and revolving speed is controlled, and is adjusted with the power for driving auxiliary-motor 4 to generate electricity in engine 1.
Based on foregoing description, referring to Fig. 6, after hybrid vehicle starting, control module 101 obtains working as clutch 6
The parameters such as preceding state, SOC value, the speed of power battery 3 (not breaking down), and judge power battery 3,2 and of power motor
Auxiliary-motor 4 whether failure etc., and then judge whether dynamical system 100 currently allows to send out according to state whether above-mentioned parameter and failure
Electricity.When being judged as does not allow to generate electricity, control module 101 then controls dynamical system 100 and does not generate electricity；Allow to generate electricity when being judged as
When, control module 101 then further selects power generation mode, including original place power generation mode, power generation cascade mode and mixed connection power generation mould
Formula.
When entering original place or power generation cascade mode, control module 101 is according to calculated P1 value to the revolving speed of engine
It is controlled, and keeps stabilization of speed, be adjusted with the power for driving auxiliary-motor 4 to generate electricity in engine 1.It is mixed when entering
When joining power generation mode, control module 101 controls the output torque of engine according to calculated P1 value, to engine
The power that 1 drive auxiliary-motor 4 generates electricity is adjusted.
To sum up, the dynamical system of the hybrid vehicle proposed according to embodiments of the present invention, by control module according to from
The speed control auxiliary-motor of the current state of clutch, the SOC value of power battery and hybrid vehicle enters corresponding power generation mould
Formula, to power to vehicle and/or to power battery charging, thereby, it is possible to realize that the full working scope of hybrid vehicle generates electricity, and send out
Electrical efficiency is high, facilitates the mileage travelled demand for meeting user to vehicle, and then the user experience is improved.
The embodiment of the present invention also proposed a kind of hybrid vehicle.
Fig. 7 is the block diagram according to the hybrid vehicle of the embodiment of the present invention.As shown in fig. 7, hybrid vehicle 200
The dynamical system 100 of hybrid vehicle including above-described embodiment.
The hybrid vehicle proposed according to embodiments of the present invention passes through the dynamical system of above-mentioned hybrid vehicle, energy
Enough realize the full working scope power generation of hybrid vehicle, and generating efficiency is high, facilitates the mileage travelled need for meeting user to vehicle
It asks, and then the user experience is improved.
Hybrid vehicle based on the above embodiment, the invention proposes a kind of Generation Control sides of hybrid vehicle
Method.
Fig. 8 is the flow chart according to the electricity-generating control method of the hybrid vehicle of the embodiment of the present invention.As shown in figure 8,
The electricity-generating control method of hybrid vehicle the following steps are included:
S10 obtains the SOC value of the current state of the clutch of hybrid vehicle, the power battery of hybrid vehicle
With the speed of hybrid vehicle.
It should be noted that the SOC value of power battery can be acquired by the battery management system of hybrid vehicle, to obtain
Take the SOC value of power battery.The speed of hybrid vehicle can be obtained by speed probe.
S20 is controlled according to the speed of the current state of clutch, the SOC value of power battery and hybrid vehicle and is mixed
The auxiliary-motor of power vehicle enters corresponding mode, to power to vehicle and/or to power battery charging, wherein auxiliary-motor exists
It generates electricity under the drive of engine, power generation mode includes original place power generation mode, power generation cascade mode and mixed connection power generation mode.
Specifically, it when clutch is in discrete state, is preset if the SOC value of power battery is less than or equal to first
Value, and the speed of hybrid vehicle is 0, then controls hybrid vehicle and enter original place power generation mode, to be started by control
Machine drives auxiliary-motor power generation to meet vehicle power demand under static state and store extra electricity to power battery
In, until control hybrid vehicle exits original place power generation mould when the SOC value of power battery is more than or equal to the second preset value
Formula, wherein the second preset value is greater than the first preset value.
Optionally, the first preset value and the second preset value can be previously set according to power battery capacity.
Further, when clutch is in discrete state, if the SOC value of power battery is pre- less than or equal to third
If value, and the speed of hybrid vehicle is less than or equal to the first preset vehicle speed, then controls hybrid vehicle and enter series connection
Power generation mode, with made up by the power generation of control driven by engine auxiliary-motor vehicle under series connection traveling with electric consumption and will be more
Remaining electricity is stored into power battery, until the SOC value of power battery is more than or equal to the 4th preset value or hybrid power
When the speed of automobile is more than or equal to the second preset vehicle speed, control hybrid vehicle exits power generation cascade mode, wherein the
Three preset values are greater than the second preset value, and the 4th preset value is greater than third preset value, and the second preset vehicle speed is greater than the first preset vehicle speed.
Optionally, the first preset vehicle speed and the second preset vehicle speed can be carried out according to the actual travel situation of hybrid vehicle
It presets, third preset value and the 4th preset value can be previously set according to power battery capacity.
Further, when clutch is in bonding state, driven by engine auxiliary-motor passes through clutch while power generation
When outputing power to the wheel of hybrid vehicle, if the SOC value of power battery is less than or equal to the 5th preset value, and
The speed of hybrid vehicle is less than or equal to third preset vehicle speed, then controls hybrid vehicle and enter mixed connection power generation mould
Formula, with made up by the power generation of control driven by engine auxiliary-motor vehicle under mixed connection traveling with electric consumption and by extra electricity
Amount is stored into power battery until the SOC value of power battery is more than or equal to the 6th preset value, control hybrid vehicle
Exit mixed connection power generation mode, wherein the 5th preset value is greater than the 4th preset value, and the 6th preset value is greater than the 5th preset value, third
Preset vehicle speed is greater than the second preset vehicle speed.
Optionally, third preset vehicle speed can be preset according to hybrid vehicle actual travel situation, and the 5th is pre-
If value and the 6th preset value can be previously set according to power battery capacity.
It should be noted that after auxiliary-motor enters original place power generation mode, if auxiliary-motor there are failure, if control module
Control driven by engine power motor generates electricity.
Further, after auxiliary-motor enters mixed connection power generation mode, if there are failures for auxiliary-motor, hybrid power is controlled
The power motor of automobile generates electricity, and controls the wheel that engine outputs power to hybrid vehicle by clutch.
In some embodiments, the dynamical system of hybrid vehicle further include: be connected by relay with auxiliary-motor
First controller, electricity-generating control method further include: do not work in auxiliary-motor after (i.e. pass wave), if the revolving speed of auxiliary-motor is greater than the
One preset rotation speed then controls relay shutdown；Wherein, the first controller is used to obtain pressure stabilizing control instruction and target voltage, and
The difference for executing pressure stabilizing control instruction so that auxiliary-motor generates electricity between the voltage and target voltage of output by the first controller
Absolute value is less than preset pressure.
Specifically, preset pressure can be preset as obtained by experiment.
In some embodiments, power battery can be set with power motor, auxiliary-motor and multiple electric appliances respectively by contactor
It is standby to be connected, electricity-generating control method further include: when power battery breaks down, control contactor is disconnected, and controls engine and open
It is dynamic, and control driven by engine auxiliary-motor power generation.
In some embodiments, the electricity-generating control method of hybrid vehicle further include: enter corresponding hair in auxiliary-motor
After power mode, according to the charge power of the vehicle demand power of hybrid vehicle and power battery to the generated output of auxiliary-motor
It is adjusted, the formula for adjusting the generated output of auxiliary-motor is as follows:
P1=P2+P3,
Wherein, P2=P11+P21, P1 are the generated output of auxiliary-motor, and P2 is vehicle demand power, and P3 is power battery
Charge power, P11 are vehicle driving power, and P21 is electrical equipment power.
It should be noted that other specific embodiment parties of the electricity-generating control method of the hybrid vehicle of the embodiment of the present invention
Formula can be found in the specific embodiment of the dynamical system of the hybrid vehicle of the above embodiment of the present invention, to reduce redundancy, this
Place does not repeat them here.
To sum up, the electricity-generating control method of hybrid vehicle according to an embodiment of the present invention, first obtains hybrid vehicle
The current state of clutch, hybrid vehicle power battery SOC value and hybrid vehicle speed, and then basis
The auxiliary-motor of the speed control hybrid vehicle of the current state of clutch, the SOC value of power battery and hybrid vehicle
Into corresponding mode, to power to vehicle and/or to power battery charging, wherein auxiliary-motor under the drive of engine into
Row power generation, power generation mode includes original place power generation mode, power generation cascade mode and mixed connection power generation mode.Thereby, it is possible to realize mixing
The full working scope of power vehicle generates electricity, and generating efficiency is high, facilitates the mileage travelled demand for meeting user to vehicle, and then promoted
User experience.
The invention also provides a kind of computer readable storage mediums, have and are stored in instruction therein, when mixing is dynamic
When the processor of power automobile executes instruction, hybrid vehicle executes the electricity-generating control method of above-described embodiment.
To sum up, computer readable storage medium according to an embodiment of the present invention, when the processor of hybrid vehicle executes
When instruction, hybrid vehicle executes above-mentioned electricity-generating control method, can be realized the full working scope power generation of hybrid vehicle, and sends out
Electrical efficiency is high, facilitates the mileage travelled demand for meeting user to vehicle, and then the user experience is improved.
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.
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 at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.Such as, if realized with hardware in another embodiment, following skill well known in the art can be used
Any one of art or their combination are realized: have for data-signal is realized the logic gates of logic function from
Logic circuit is dissipated, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention
Type.
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 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.
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 (20)
1. a kind of dynamical system of hybrid vehicle characterized by comprising
Engine, the engine output power to the wheel of the hybrid vehicle by clutch；
Power motor, the power motor are used to output driving force to the wheel of the hybrid vehicle；
Power battery, the power battery are used to power to the power motor；
The auxiliary-motor being connected with the engine, the auxiliary-motor is connected with the power motor and power battery respectively, described
Auxiliary-motor generates electricity under the drive of the engine；
Control module, the control module is for obtaining the current state of the clutch, the SOC value of the power battery and institute
The speed of hybrid vehicle is stated, and according to the current state of the clutch, the SOC value of the power battery and the mixing
The speed of power vehicle controls the auxiliary-motor and enters corresponding power generation mode, to power to vehicle and/or to the power electric
Pond charging, wherein the power generation mode includes original place power generation mode, power generation cascade mode and mixed connection power generation mode.
2. the dynamical system of hybrid vehicle as described in claim 1, which is characterized in that the control module is also used to:
When the clutch is in discrete state, if the SOC value of the power battery is less than or equal to the first preset value, and institute
The speed for stating hybrid vehicle is 0, then controls the hybrid vehicle into the original place power generation mode, to pass through control
The power generation of auxiliary-motor described in the driven by engine meets vehicle power demand under static state and deposits extra electricity
Storage is into the power battery, until controlling described mixed when the SOC value of the power battery is more than or equal to the second preset value
It closes power vehicle and exits the original place power generation mode, wherein second preset value is greater than first preset value.
3. the dynamical system of hybrid vehicle as claimed in claim 2, which is characterized in that the control module is also used to:
When the clutch is in discrete state, if the SOC value of the power battery is less than or equal to third preset value, and institute
The speed for stating hybrid vehicle is less than or equal to the first preset vehicle speed, then controls the hybrid vehicle into the string
Join power generation mode, to make up electricity consumption of the vehicle under series connection traveling by controlling the power generation of auxiliary-motor described in the driven by engine
Consumption and extra electricity is stored into the power battery, until the SOC value of the power battery is more than or equal to the
When the speed of four preset values or the hybrid vehicle is more than or equal to the second preset vehicle speed, the hybrid power is controlled
Automobile exits the power generation cascade mode, wherein the third preset value is greater than second preset value, the 4th preset value
Greater than the third preset value, second preset vehicle speed is greater than first preset vehicle speed.
4. the dynamical system of hybrid vehicle as claimed in claim 3, which is characterized in that the control module is also used to:
It will be moved while the clutch is in bonding state, and auxiliary-motor described in the driven by engine generates electricity by the clutch
When power is output to the wheel of the hybrid vehicle, preset if the SOC value of the power battery is less than or equal to the 5th
Value, and the speed of the hybrid vehicle be less than or equal to third preset vehicle speed, then control the hybrid vehicle into
Enter the mixed connection power generation mode, is travelled with making up vehicle by controlling the power generation of auxiliary-motor described in the driven by engine in mixed connection
Under store with electric consumption and by extra electricity into the power battery, until the power battery SOC value be greater than or
Person is equal to the 6th preset value, controls the hybrid vehicle and exits the mixed connection power generation mode, wherein the 5th preset value
Greater than the 4th preset value, the 6th preset value is greater than the 5th preset value, and the third preset vehicle speed is greater than described
Second preset vehicle speed.
5. the dynamical system of hybrid vehicle as claimed in claim 2, which is characterized in that described in entering in the auxiliary-motor
After the power generation mode of original place, if the auxiliary-motor, there are failure, control module if controls to be moved described in the driven by engine
Force motor generates electricity.
6. the dynamical system of hybrid vehicle as claimed in claim 4, which is characterized in that described in entering in the auxiliary-motor
After mixed connection power generation mode, if the auxiliary-motor, there are failure, control module if, controls the power motor and generates electricity,
And control the wheel that the engine outputs power to the hybrid vehicle by the clutch.
7. the dynamical system of hybrid vehicle as claimed in claim 4, which is characterized in that further include:
First controller, first controller are connected by relay with the auxiliary-motor, and first controller is for obtaining
Take pressure stabilizing control instruction and target voltage, and execute the pressure stabilizing control instruction so that the auxiliary-motor power generation output voltage with
The absolute value of difference between the target voltage is less than preset pressure；
Wherein, the control module is also used in the auxiliary-motor Guan Bohou, if the revolving speed of the auxiliary-motor is greater than first in advance
If revolving speed, then the relay shutdown is controlled.
8. the dynamical system of hybrid vehicle as claimed in claim 4, which is characterized in that the power battery passes through contact
Device is connected with the power motor, the auxiliary-motor and multiple electrical equipments respectively；
Wherein, the control module is also used to control the contactor when the power battery breaks down and disconnect, and control
The engine start, and auxiliary-motor power generation described in the control driven by engine.
9. such as the dynamical system of hybrid vehicle of any of claims 1-4, which is characterized in that the control mould
Block is also used to: after the auxiliary-motor enters corresponding power generation mode, according to the vehicle demand power of the hybrid vehicle
The generated output of the auxiliary-motor is adjusted with the charge power of the power battery, adjusts the power generation function of the auxiliary-motor
The formula of rate is as follows:
P1=P2+P3,
Wherein, P2=P11+P21, P1 are the generated output of the auxiliary-motor, and P2 is vehicle demand power, and P3 is power battery
Charge power, P11 are vehicle driving power, and P21 is electrical equipment power.
10. a kind of hybrid vehicle, which is characterized in that including hybrid power vapour as claimed in any one of claims 1-9 wherein
The dynamical system of vehicle.
11. a kind of electricity-generating control method of hybrid vehicle, which comprises the following steps:
Obtain the SOC value of the current state of the clutch of the hybrid vehicle, the power battery of the hybrid vehicle
With the speed of the hybrid vehicle；
It is controlled according to the speed of the current state of the clutch, the SOC value of the power battery and the hybrid vehicle
The auxiliary-motor of the hybrid vehicle enter corresponding mode, with to vehicle power and/or give the power battery charging,
In, the auxiliary-motor generates electricity under the drive of the engine, and the power generation mode includes original place power generation mode, series connection hair
Power mode and mixed connection power generation mode.
12. the electricity-generating control method of hybrid vehicle as claimed in claim 11, which is characterized in that at the clutch
When discrete state, if the SOC value of the power battery is less than or equal to the first preset value, and the hybrid vehicle
Speed be 0, then control the hybrid vehicle into the original place power generation mode, by controlling the driven by engine
Auxiliary-motor power generation meets vehicle power demand under static state and stores extra electricity to the power electric
Chi Zhong, until controlling the hybrid vehicle when SOC value of the power battery is more than or equal to the second preset value and exiting
The original place power generation mode, wherein second preset value is greater than first preset value.
13. the electricity-generating control method of hybrid vehicle as claimed in claim 12, which is characterized in that at the clutch
When discrete state, if the SOC value of the power battery is less than or equal to third preset value, and the hybrid vehicle
Speed be less than or equal to the first preset vehicle speed, then control the hybrid vehicle into the power generation cascade mode, with
Made up by controlling the power generation of auxiliary-motor described in the driven by engine vehicle under series connection traveling with electric consumption and will be extra
Electricity store into the power battery, until the power battery SOC value be more than or equal to the 4th preset value or institute
When stating the speed of hybrid vehicle more than or equal to the second preset vehicle speed, controls the hybrid vehicle and exit the string
Join power generation mode, wherein the third preset value is greater than second preset value, and it is pre- that the 4th preset value is greater than the third
If value, second preset vehicle speed is greater than first preset vehicle speed.
14. the electricity-generating control method of hybrid vehicle as claimed in claim 13, which is characterized in that at the clutch
In bonding state, described mix is output power to by the clutch while power generation of auxiliary-motor described in the driven by engine
When closing the wheel of power vehicle, if the SOC value of the power battery is less than or equal to the 5th preset value, and the mixing is dynamic
The speed of power automobile is less than or equal to third preset vehicle speed, then controls the hybrid vehicle into mixed connection power generation mould
Formula, with made up by controlling the power generation of auxiliary-motor described in the driven by engine vehicle under mixed connection traveling with electric consumption and will
Extra electricity store into the power battery until the power battery SOC value be more than or equal to the 6th preset value,
It controls the hybrid vehicle and exits the mixed connection power generation mode, wherein it is default that the 5th preset value is greater than the described 4th
Value, the 6th preset value are greater than the 5th preset value, and the third preset vehicle speed is greater than second preset vehicle speed.
15. the electricity-generating control method of hybrid vehicle as claimed in claim 12, which is characterized in that the auxiliary-motor into
After entering the original place power generation mode, if the auxiliary-motor, there are failure, control module if, controls the driven by engine
The power motor generates electricity.
16. the electricity-generating control method of the dynamical system of hybrid vehicle as claimed in claim 14, which is characterized in that also wrap
It includes:
After the auxiliary-motor enters the mixed connection power generation mode, if there are failures for the auxiliary-motor, the mixing is controlled
The power motor of power vehicle generates electricity, and controls the engine and output power to the hybrid power by clutch
The wheel of automobile.
17. the electricity-generating control method of the dynamical system of hybrid vehicle as claimed in claim 14, which is characterized in that described
The dynamical system of hybrid vehicle further includes the first controller being connected by relay with the auxiliary-motor, and the method is also
Include:
The relay is controlled if the revolving speed of the auxiliary-motor is greater than the first preset rotation speed in the auxiliary-motor Guan Bohou
Shutdown；
Wherein, first controller is for obtaining pressure stabilizing control instruction and target voltage, and is held by first controller
Row the pressure stabilizing control instruction so that the auxiliary-motor power generation output voltage and the target voltage between difference it is absolute
Value is less than preset pressure.
18. the electricity-generating control method of the dynamical system of hybrid vehicle as claimed in claim 14, which is characterized in that described
Power battery is connected with the power motor, the auxiliary-motor and multiple electrical equipments respectively by contactor, and the method is also
Include:
When the power battery breaks down, controls the contactor and disconnect, and control the engine start, and control
The power generation of auxiliary-motor described in the driven by engine.
19. the electricity-generating control method of the electricity-generating control method of the hybrid vehicle as described in any one of claim 11-14,
It is characterized by further comprising:
After the auxiliary-motor enters corresponding power generation mode, according to the vehicle demand power of the hybrid vehicle and described
The generated output of the auxiliary-motor is adjusted in the charge power of power battery, adjusts the public affairs of the generated output of the auxiliary-motor
Formula is as follows:
P1=P2+P3,
Wherein, P2=P11+P21, P1 are the generated output of the auxiliary-motor, and P2 is vehicle demand power, and P3 is power battery
Charge power, P11 are vehicle driving power, and P21 is electrical equipment power.
20. a kind of computer readable storage medium, which is characterized in that have and be stored in instruction therein, when described instruction is held
When row, the hybrid vehicle executes the electricity-generating control method as described in any one of claim 11-19.
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| CN112874507A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Hybrid vehicle and control method, device and system thereof |
| CN112874506A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Hybrid vehicle and control method, device and system thereof |
| CN113830072A (en) * | 2021-09-29 | 2021-12-24 | 义乌吉利自动变速器有限公司 | Control method and control system of dual-motor hybrid power system and vehicle |
| CN115742775A (en) * | 2022-11-18 | 2023-03-07 | 中国第一汽车股份有限公司 | New forms of energy power assembly and vehicle |
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| CN113830072A (en) * | 2021-09-29 | 2021-12-24 | 义乌吉利自动变速器有限公司 | Control method and control system of dual-motor hybrid power system and vehicle |
| CN115742775A (en) * | 2022-11-18 | 2023-03-07 | 中国第一汽车股份有限公司 | New forms of energy power assembly and vehicle |
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