CN106945658A - A kind of control method of finished of hybrid electric vehicle, equipment and system - Google Patents
A kind of control method of finished of hybrid electric vehicle, equipment and system Download PDFInfo
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- CN106945658A CN106945658A CN201710208432.5A CN201710208432A CN106945658A CN 106945658 A CN106945658 A CN 106945658A CN 201710208432 A CN201710208432 A CN 201710208432A CN 106945658 A CN106945658 A CN 106945658A
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- 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
- 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
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/24—Energy storage means
- B60W2710/242—Energy storage means for electrical energy
- B60W2710/244—Charge state
-
- 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 provides a kind of control method of finished of hybrid electric vehicle, methods described includes：Obtain the real-time dump energy of the battery for the hybrid electric vehicle that battery management system BMS is detected；The first threshold and Second Threshold of the hybrid electric vehicle dump energy set in advance are obtained, the first threshold is less than the Second Threshold；When the real-time dump energy is less than the first threshold, one control signal of output to engine, to indicate that the engine carries out self-starting, enters efficiency power generation pattern after overheated machine, and it is interval to operate in the corresponding optimum efficiency of the engine.The present invention realizes the dump energy according to battery, and control engine is operated in optimum efficiency interval, solves the low technical problem of engine power utilization rate of the prior art.
Description
Technical field
The present invention relates to hybrid electric vehicle technical field, and in particular to a kind of control method of finished of hybrid electric vehicle, sets
Standby and system.
Background technology
There is the problem of course continuation mileage is limited in pure electric vehicle of the prior art, in can only being travelled necessarily after disposable charging
Journey, if moreover, battery over-discharge can cause damage to the life-span of battery.In addition, pure electric vehicle is on startup, battery moment
Larger electric current is released, the life-span of battery can also be had adverse effect on.
With science and technology continuous progress, hybrid electric vehicle is occurred in that in the prior art, it be on the basis of pure electric vehicle,
Increase petrol engine as stand-by power, electric motor car can be vehicle driving by driven by power, its fuel engines carried
Motor, battery pack increase electricity, realize and are charged when running.
A kind of driving control of series hybrid vehicle is disclosed in the patent application of Application No. 201210324917.8
Device processed, controls engine to be operated in the engine in different range by the different situations of the SOC detected by SOC sensors
At operating point.A kind of control device of motor vehicle driven by mixed power is provided in Application No. 201080053021.X patent application,
It can be travelled according to EV driving modes and series connection driving mode.But the control device of above-mentioned motor vehicle driven by mixed power will not
Engine control is operated in optimum efficiency interval, there is the low technological deficiency of engine power utilization rate.
The content of the invention
In view of this, the technical problem to be solved in the present invention be provide a kind of control method of finished of hybrid electric vehicle,
Equipment and system, according to the dump energy of battery, control engine is operated in optimum efficiency interval, is solved in the prior art
The low technical problem of engine power utilization rate.
In order to solve the above-mentioned technical problem, embodiment of the invention provides a kind of vehicle of hybrid electric vehicle first
Control method, methods described includes：
Obtain the real-time dump energy of the battery for the hybrid electric vehicle that battery management system BMS is detected；
Obtain the first threshold and Second Threshold of the hybrid electric vehicle dump energy set in advance, first threshold
Value is less than the Second Threshold；
When the real-time dump energy is less than the first threshold, one control signal of output is to engine, to indicate
State engine and carry out self-starting, efficiency power generation pattern is entered after overheated machine, and operate in the corresponding best effective of the engine
Rate is interval.
In a preferred embodiment of the invention, the optimum efficiency interval is the external characteristic curve according to the engine
The optimum speed of power, moment of torsion, oil consumption and efficiency that the engine determined works is interval.
In a preferred embodiment of the invention, in the real-time residue for the battery for obtaining the hybrid electric vehicle that BMS is detected
Before the step of electricity, methods described also includes：
A self-test signal is exported to the engine, to indicate that the engine carries out self-inspection.
In a preferred embodiment of the invention, methods described also includes：
The engine operate in the corresponding optimum efficiency of the engine it is interval when, be that the battery is charged, and
The motor of the hybrid electric vehicle is driven to provide driving force for the hybrid electric vehicle.
In a preferred embodiment of the invention, methods described also includes：
When the real-time dump energy is more than or equal to the Second Threshold, a stop signal is exported to the engine,
To indicate the engine stop work.
In a preferred embodiment of the invention, methods described also includes：
When the hybrid electric vehicle is in misfire patterns, one spacing wave of output to the engine is described to indicate
Engine does not start.
In order to solve the above-mentioned technical problem, embodiment of the invention additionally provides a kind of vehicle of hybrid electric vehicle
Control device, the equipment includes：
Real time electrical quantity acquisition device, the reality of the battery for obtaining the hybrid electric vehicle that battery management system BMS is detected
When dump energy；
Power threshold acquisition device, for obtain the first threshold of the hybrid electric vehicle dump energy set in advance with
And Second Threshold, the first threshold is less than the Second Threshold；
Control signal dispensing device, for when the real-time dump energy is less than the first threshold, output one to be controlled
Signal, to indicate that the engine carries out self-starting, enters efficiency power generation pattern, and operate in institute to engine after overheated machine
State the corresponding optimum efficiency of engine interval.
In a preferred embodiment of the invention, the equipment also includes：
Self-test signal output device, for exporting a self-test signal to the engine, to indicate that the engine is carried out
Self-inspection.
In a preferred embodiment of the invention, the equipment also includes：
Stop signal output device, for when the real-time dump energy is more than or equal to the Second Threshold, exporting one
Stop signal is to the engine, to indicate that the engine stop works.
In a preferred embodiment of the invention, the equipment also includes：
Spacing wave output device, for when the hybrid electric vehicle is in misfire patterns, one spacing wave of output to be extremely
The engine, to indicate that the engine does not start.
In order to solve the above-mentioned technical problem, embodiment of the invention additionally provides a kind of vehicle of hybrid electric vehicle
Control system, the system includes the full-vehicle control equipment of hybrid electric vehicle and hybrid electric vehicle.
It can be seen from the above-mentioned embodiment of the present invention, a kind of full-vehicle control for hybrid electric vehicle that the present invention is provided
Method, equipment and system at least have the advantages that：The different dump energies according to battery are realized, control is started
Machine is operated in optimum efficiency interval, solves the low technical problem of engine power utilization rate of the prior art, and due to
There is provided the threshold value of dump energy, can effectively protect battery, avoid battery because over-discharge, heavy-current discharge and caused by damage,
The service life of battery is extended, course continuation mileage is unrestricted.
It is to be understood that above-mentioned general description and detailed description below are merely illustrative and illustrative, it is not
Can the limitation scope of the invention to be advocated.
Brief description of the drawings
Following appended accompanying drawing is a part for the specification of the present invention, and it depicts the example embodiment of the present invention, institute
Accompanying drawing is used for illustrating the principle of the present invention together with the description of specification.
A kind of structured flowchart of the whole-control system for hybrid electric vehicle that Fig. 1 provides for the specific embodiment of the invention；
A kind of embodiment one of the full-vehicle control equipment for hybrid electric vehicle that Fig. 2 provides for the specific embodiment of the invention
Structured flowchart；
A kind of embodiment two of the full-vehicle control equipment for hybrid electric vehicle that Fig. 3 provides for the specific embodiment of the invention
Structured flowchart；
A kind of embodiment three of the full-vehicle control equipment for hybrid electric vehicle that Fig. 4 provides for the specific embodiment of the invention
Structured flowchart；
A kind of embodiment four of the full-vehicle control equipment for hybrid electric vehicle that Fig. 5 provides for the specific embodiment of the invention
Structured flowchart；
A kind of embodiment one of the control method of finished for hybrid electric vehicle that Fig. 6 provides for the specific embodiment of the invention
Flow chart；
A kind of embodiment two of the control method of finished for hybrid electric vehicle that Fig. 7 provides for the specific embodiment of the invention
Flow chart；
A kind of embodiment three of the control method of finished for hybrid electric vehicle that Fig. 8 provides for the specific embodiment of the invention
Flow chart；
A kind of embodiment four of the control method of finished for hybrid electric vehicle that Fig. 9 provides for the specific embodiment of the invention
Flow chart；
Figure 10 be in the specific embodiment of the invention in a kind of hybrid electric vehicle engine, generator and battery with it is electronic
The interaction schematic diagram of machine；
The schematic diagram that Figure 11 is remaining battery power SOC in a kind of hybrid electric vehicle in the specific embodiment of the invention；
Figure 12 is a kind of optimized rotating speed interval diagram of engine in hybrid electric vehicle in the specific embodiment of the invention.
Symbol description：
100 hybrid electric vehicles
200 full-vehicle control equipment
201 real time electrical quantity acquisition device
202 power threshold acquisition device
203 control signal dispensing devices
204 self-test signal output devices
205 stop signal output devices
206 spacing wave output devices
S100~S105 steps
Embodiment
It is more clearly understood for the purpose, technical scheme and advantage that make the present embodiment, below will be with accompanying drawing and narration in detail
Clearly illustrate the spirit of this disclosure, any skilled artisan after the embodiment of this content is understood, when
The technology that can be taught by this content, is changed and modifies, its spirit and scope without departing from this content.
The schematic description and description of the present invention is used to explain the present invention, but not as a limitation of the invention.
In addition, element/component of the same or like label used in drawings and the embodiments is for representing same or like portion
Point.
On " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position,
Be not used to limit the present invention, its only for distinguish with constructed term describe element or operation.
On direction term used herein, for example：Upper and lower, left and right, front or rear etc., are only the sides of refer to the attached drawing
To.Therefore, the direction term used is for illustrating not to be used for limiting this creation.
On "comprising" used herein, " comprising ", " having ", " containing " etc., the term of opening is, i.e.,
Mean including but not limited to.
On it is used herein " and/or ", include the things any or all combination.
Include " two " and " two or more " on " multiple " herein；Include " two groups " on " multigroup " herein
And " more than two ".
On term used herein " substantially ", " about " etc., to modify it is any can be with the quantity or mistake of microvariations
Difference, but this slight variations or error can't change its essence.In general, microvariations that such term is modified or error
Scope in some embodiments can be 20%, in some embodiments can be 10%, can be in some embodiments 5% or its
His numerical value.It will be understood by those skilled in the art that the foregoing numerical value referred to can be adjusted according to actual demand, it is not limited thereto.
It is some to describe the word of the application by lower or discuss in the other places of this specification, to provide art technology
Personnel's guiding extra on about the description of the present application.
Below with reference to the principle and spirit of some representative embodiments of the present invention, in detail the explaination present invention.
A kind of structured flowchart of the whole-control system for hybrid electric vehicle that Fig. 1 provides for the specific embodiment of the invention,
Referring to Fig. 1, the system includes the full-vehicle control equipment 200 of hybrid electric vehicle 100 and the hybrid electric vehicle.
The hybrid electric vehicle of the present invention is under normally travel situation, and the generated output of generator is more than the consumption work(of generator
Rate, that is to say, that generator is while drive motor during normally travel, additionally it is possible to charge the battery.Engine, generator
And the schematic diagram of battery and motor is as shown in Figure 10.
A kind of embodiment one of the full-vehicle control equipment for hybrid electric vehicle that Fig. 2 provides for the specific embodiment of the invention
Structured flowchart, referring to Fig. 2, full-vehicle control equipment 200 includes in embodiment one：
Real time electrical quantity acquisition device 201, the real-time remaining electricity of the battery for obtaining the hybrid electric vehicle that BMS is detected
Amount；
Power threshold acquisition device 202, the first threshold for obtaining the hybrid electric vehicle dump energy set in advance
Value and Second Threshold, the first threshold are less than the Second Threshold, in a particular embodiment, the dump energy of battery
Between 0-100%, first threshold, Second Threshold are two values between 0-100%, are set to A, B, and wherein A is minimum, B
Maximum, as shown in figure 11.
Control signal dispensing device 203, for when the real-time dump energy is less than the first threshold, output one to be controlled
Signal processed, to indicate that the engine carries out self-starting, enters efficiency power generation pattern, and operate in engine after overheated machine
The corresponding optimum efficiency of the engine is interval.
In a particular embodiment, when real-time dump energy is less than or equal to first threshold A, engine is receiving control
Self-starting is carried out during signal processed, efficiency power generation pattern is entered after overheated machine, is that battery charge while drive motor is
Vehicle provides driving force, operates in the corresponding optimum efficiency of the engine interval.Referred herein to optimum efficiency interval be root
The power of the engine work determined according to the external characteristic curve of the engine, moment of torsion, oil consumption and efficiency it is optimal
Rotating speed is interval, refers to that engine is interval using the optimal rotating speed of the significant degree of fuel thermal energy.Each generator corresponds to one
Optimum efficiency is interval, the optimized rotating speed interval diagram of engine as shown in figure 12, and the optimum efficiency interval of engine is
[n1, n2], namely any one n points that engine is operated between n1 and n2 according to the energy consumption rotating speed of motor, now
During actual use can to cell voltage, engine speed, generator-temperature detection, battery temp, accelerator pedal state,
The states such as speed, brake pedal, heater switch, room temperature are detected, enter relevant work pattern to battery according to pre-set programs
Charged and drive vehicle to travel.
A kind of embodiment two of the full-vehicle control equipment for hybrid electric vehicle that Fig. 3 provides for the specific embodiment of the invention
Structured flowchart, referring to Fig. 3, in embodiment two, the full-vehicle control equipment also includes：
Self-test signal output device 204, for exporting a self-test signal to the engine, to indicate that the engine enters
Row self-inspection.That is, in a particular embodiment, hybrid electric vehicle operationally, first receives what full-vehicle control equipment was sent
One self-test signal, self-inspection is proceeded by according to the self-test signal, then enters the operation of corresponding alarm mode or stopping if any abnormal, such as
Without abnormal, then real time electrical quantity acquisition device 201 is performed.
A kind of embodiment three of the full-vehicle control equipment for hybrid electric vehicle that Fig. 4 provides for the specific embodiment of the invention
Structured flowchart, referring to Fig. 4, in embodiment three, the full-vehicle control equipment also includes：
Stop signal output device 205, for when the real-time dump energy is more than or equal to the Second Threshold, exporting
One stop signal is to the engine, to indicate that the engine stop works.
That is, in this embodiment, vehicle is persistently travelled, generator is charged to battery, when real time electrical quantity is obtained
When the real-time dump energy got in device 201 is more than or equal to Second Threshold (i.e. B), stop signal output device 205 is exported
One stop signal, is stopped when engine receives the stop signal, and only battery is to motor output current, vehicle
Lasting traveling, the follow-up real-time dump energy got in real time electrical quantity acquisition device 201 of working as is less than first threshold (i.e. A) again
When, return again to execution control signal dispensing device 203, such circulation continuous work.
A kind of embodiment four of the full-vehicle control equipment for hybrid electric vehicle that Fig. 5 provides for the specific embodiment of the invention
Structured flowchart, referring to Fig. 5, in embodiment four, the full-vehicle control equipment also includes：
Spacing wave output device 206, for when the hybrid electric vehicle is in misfire patterns, exporting a spacing wave
To the engine, to indicate that the engine does not start.That is, under misfire patterns, engine receives a spacing wave, root
According to the spacing wave, hereafter engine does not start under any circumstance, and only battery is to motor.
In the other embodiment of the present invention, following parameter can also be shown on control instrument：Dump energy, residue
Mileage, water temperature, indoor temperature, outdoor temperature, warning message, fault message etc..
As described above, the invention provides a kind of whole-control system of hybrid electric vehicle and equipment, realizing basis
The different dump energies of battery, control engine is operated in optimum efficiency interval, is solved and of the prior art is started function
The low technical problem of utilization rate is measured, and due to being provided with the threshold value of dump energy, can effectively protect battery, avoid battery because of mistake
Amount electric discharge, heavy-current discharge and cause to damage, extend the service life of battery, course continuation mileage is unrestricted.
Although in addition, be referred to some apparatus modules of system in above-detailed, this division is only simultaneously
Non-imposed.In fact, according to the embodiment of the present invention, the feature and function of two or more above-described units can
To embody in a unit.Equally, the feature and function of an above-described unit can also be further divided into by
Multiple units embody.Terms used above " device " and " equipment ", can be realize predetermined function software and/or
Hardware.Although the module described by following examples is preferably realized with software, hardware, or software and hardware group
The realization of conjunction is also that may and be contemplated.
After the coordination of exemplary embodiment of the invention is described, next, refer to the attached drawing is exemplary to the present invention
The method of embodiment is introduced.The implementation of this method may refer to above-mentioned overall implementation, repeats part and repeats no more.
A kind of embodiment one of the control method of finished for hybrid electric vehicle that Fig. 6 provides for the specific embodiment of the invention
Flow chart, referring to Fig. 6, methods described includes in embodiment one：
S101：Obtain the real-time dump energy of the battery for the hybrid electric vehicle that BMS is detected；
S102：The first threshold and Second Threshold of the hybrid electric vehicle dump energy set in advance are obtained, it is described
First threshold is less than the Second Threshold, and in a particular embodiment, the dump energy of battery is between 0-100%, and first
Threshold value, Second Threshold are two values between 0-100%, are set to A, B, and wherein A is minimum, and B is maximum, as shown in figure 11.
S103：When the real-time dump energy is less than the first threshold, one control signal of output to engine, to refer to
Show that the engine carries out self-starting, efficiency power generation pattern is entered after overheated machine, and it is corresponding most to operate in the engine
Good efficiency is interval.
In a particular embodiment, when real-time dump energy is less than or equal to first threshold A, engine is receiving control
Self-starting is carried out during signal processed, efficiency power generation pattern is entered after overheated machine, is that battery charge while drive motor is
Vehicle provides driving force, operates in the corresponding optimum efficiency of the engine interval.Referred herein to optimum efficiency interval be root
The power of the engine work determined according to the external characteristic curve of the engine, moment of torsion, oil consumption and efficiency it is optimal
Rotating speed is interval, refers to that engine is interval using the optimal rotating speed of the significant degree of fuel thermal energy.Each generator corresponds to one
Optimum efficiency is interval, the optimized rotating speed interval diagram of engine as shown in figure 12, and the optimum efficiency interval of engine is
[n1, n2], namely any one n points that engine is operated between n1 and n2 according to the energy consumption rotating speed of motor, now
During actual use can to cell voltage, engine speed, generator-temperature detection, battery temp, accelerator pedal state,
The states such as speed, brake pedal, heater switch, room temperature are detected, enter relevant work pattern to battery according to pre-set programs
Charged and drive vehicle to travel.
A kind of embodiment two of the control method of finished for hybrid electric vehicle that Fig. 7 provides for the specific embodiment of the invention
Flow chart, referring to Fig. 7, in embodiment two, methods described also includes：
S100：A self-test signal is exported to the engine, to indicate that the engine carries out self-inspection.That is, specific
Embodiment in, hybrid electric vehicle operationally, first receives the self-test signal that full-vehicle control equipment is sent, according to this from
Inspection signal proceeds by self-inspection, then enters the operation of corresponding alarm mode or stopping if any abnormal, such as without abnormal, then performs step
S101。
A kind of embodiment three of the control method of finished for hybrid electric vehicle that Fig. 8 provides for the specific embodiment of the invention
Flow chart, referring to Fig. 8, in embodiment three, methods described also includes：
S104：When the real-time dump energy is more than or equal to the Second Threshold, one stop signal of output to the hair
Motivation, to indicate that the engine stop works.
That is, in this embodiment, vehicle is persistently travelled, generator is charged to battery, is obtained when in step S101
When the real-time dump energy got is more than or equal to Second Threshold (i.e. B), a stop signal is exported, when engine receives the stopping
It is stopped during signal, only battery is to motor output current, and vehicle is persistently travelled, subsequently works as and got in step S101
Real-time dump energy when being less than first threshold (i.e. A) again, return again to step S103, such circulation continuous works.
A kind of embodiment four of the control method of finished for hybrid electric vehicle that Fig. 9 provides for the specific embodiment of the invention
Flow chart, referring to Fig. 9, in embodiment four, methods described also includes：
S105：When the hybrid electric vehicle is in misfire patterns, one spacing wave of output to the engine, to indicate
The engine does not start.That is, under misfire patterns, engine receives a spacing wave, is hereafter existed according to the spacing wave
Engine does not start in any case, and only battery is to motor.
In the other embodiment of the present invention, following parameter can also be shown on control instrument：Dump energy, residue
Mileage, water temperature, indoor temperature, outdoor temperature, warning message, fault message etc..
As described above, the invention provides a kind of control method of finished of hybrid electric vehicle, realizing according to battery not
Same dump energy, control engine is operated in optimum efficiency interval, solves engine power utilization rate of the prior art
Low technical problem, and due to being provided with the threshold value of dump energy, can effectively protect battery, avoid battery because over-discharge,
Heavy-current discharge and cause to damage, extend the service life of battery, course continuation mileage is unrestricted.
It should be noted that although the operation of the inventive method is described with particular order in the accompanying drawings, this is not required that
Or imply that these must be performed according to the particular order operates, or the operation having to carry out shown in whole could realize the phase
The result of prestige.Additionally or alternatively, it is convenient to omit some steps, multiple steps are merged into a step execution, and/or will
One step is decomposed into execution of multiple steps.
In summary, control method of finished, equipment and the system for a kind of hybrid electric vehicle that the present invention is provided are brought
Beneficial effect includes：
1. according to the dump energy of battery, control engine is operated in the high efficiency range of rotating speed, has both solved battery mistake
Measure the problem of electric discharge causes life damage, also solve the problem of engine power utilization rate is low.
2. the present invention can effectively protect battery, avoid battery because over-discharge, heavy-current discharge and caused by damage, extend
The service life of battery.
3. the present invention is not influenceed by battery electric quantity, course continuation mileage is unrestricted.
4. the engine of the present invention is operated in high efficiency range, capacity usage ratio is high.
The above-mentioned embodiment of the present invention can be implemented in various hardware, Software Coding or both combination.For example, this hair
Bright embodiment, which is alternatively in data signal processor (Digital Signal Processor, DSP), performs the above method
Program code.The present invention can also refer to computer processor, digital signal processor, microprocessor or field-programmable gate array
Arrange a variety of functions that (Field Programmable Gate Array, FPGA) is performed.Above-mentioned processing can be configured according to the present invention
Device performs particular task, its machine-readable software code that the ad hoc approach that the present invention is disclosed is defined by performing or firmware generation
Code is completed.Software code or firmware code can be developed into different program languages and different forms or form.Or
Different target platform composing software codes.However, configuring generation according to the software code of execution task of the present invention and other types
Different code pattern, type and the language of code do not depart from spirit and scope of the invention.
This schematical embodiment is the foregoing is only, on the premise of the design and principle for not departing from this, is appointed
Equivalent variations and modification that what those skilled in the art is made, all should belong to the scope of this protection.
Claims (13)
1. a kind of control method of finished of hybrid electric vehicle, it is characterised in that methods described includes：
Obtain the real-time dump energy of the battery for the hybrid electric vehicle that battery management system BMS is detected；
The first threshold and Second Threshold of the hybrid electric vehicle dump energy set in advance are obtained, the first threshold is small
In the Second Threshold；
When the real-time dump energy is less than the first threshold, one control signal of output is to engine, to indicate the hair
Motivation carries out self-starting, efficiency power generation pattern is entered after overheated machine, and operate in the corresponding the optimum interval of efficiency of the engine
Between.
2. according to the method described in claim 1, it is characterised in that the optimum efficiency interval is according to the outer of the engine
The optimum speed of power, moment of torsion, oil consumption and efficiency that the engine that characteristic curve is determined works is interval.
3. according to the method described in claim 1, it is characterised in that obtaining the battery for the hybrid electric vehicle that BMS is detected
Before the step of real-time dump energy, methods described also includes：
A self-test signal is exported to the engine, to indicate that the engine carries out self-inspection.
4. method according to claim 1 or 2, it is characterised in that methods described also includes：
The engine operate in the corresponding optimum efficiency of the engine it is interval when, be that the battery is charged, and drive
The motor of the hybrid electric vehicle provides driving force for the hybrid electric vehicle.
5. according to the method described in claim 1, it is characterised in that methods described also includes：
When the real-time dump energy is more than or equal to the Second Threshold, one stop signal of output to the engine, to refer to
Show the engine stop work.
6. according to the method described in claim 1, it is characterised in that methods described also includes：
When the hybrid electric vehicle is in misfire patterns, one spacing wave of output to the engine, to indicate described start
Machine does not start.
7. the full-vehicle control equipment of a kind of hybrid electric vehicle, it is characterised in that the equipment includes：
Real time electrical quantity acquisition device, the real-time of battery for obtaining the hybrid electric vehicle that battery management system BMS is detected is remained
Remaining electricity；
Power threshold acquisition device, the first threshold and for obtaining the hybrid electric vehicle dump energy set in advance
Two threshold values, the first threshold is less than the Second Threshold；
Control signal dispensing device, for when the real-time dump energy is less than the first threshold, exporting a control signal
To engine, to indicate that the engine carries out self-starting, efficiency power generation pattern is entered after overheated machine, and operate in the hair
The corresponding optimum efficiency of motivation is interval.
8. equipment according to claim 7, it is characterised in that the optimum efficiency interval is according to the outer of the engine
The optimum speed of power, moment of torsion, oil consumption and efficiency that the engine that characteristic curve is determined works is interval.
9. equipment according to claim 7, it is characterised in that the equipment also includes：
Self-test signal output device, for exporting a self-test signal to the engine, to indicate that the engine carries out self-inspection.
10. the equipment according to claim 7 or 8, it is characterised in that it is corresponding that the engine operates in the engine
It is that the battery is charged when optimum efficiency is interval, and drives the motor of the hybrid electric vehicle for the hybrid power
Car provides driving force.
11. equipment according to claim 7, it is characterised in that the equipment also includes：
Stop signal output device, for when the real-time dump energy is more than or equal to the Second Threshold, output one to stop
Signal is to the engine, to indicate that the engine stop works.
12. equipment according to claim 7, it is characterised in that the equipment also includes：
Spacing wave output device, for when the hybrid electric vehicle is in misfire patterns, one spacing wave of output to be to described
Engine, to indicate that the engine does not start.
13. a kind of whole-control system of hybrid electric vehicle, it is characterised in that the system includes hybrid electric vehicle and as weighed
Profit requires the full-vehicle control equipment of the hybrid electric vehicle described in 7 to 12 any one.
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