CN104442799B - The method that prevention for non-idling flameout pattern is cut the engine - Google Patents
The method that prevention for non-idling flameout pattern is cut the engine Download PDFInfo
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- CN104442799B CN104442799B CN201310428457.8A CN201310428457A CN104442799B CN 104442799 B CN104442799 B CN 104442799B CN 201310428457 A CN201310428457 A CN 201310428457A CN 104442799 B CN104442799 B CN 104442799B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000002265 prevention Effects 0.000 title claims abstract description 27
- 238000010248 power generation Methods 0.000 claims abstract description 38
- 230000005611 electricity Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—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
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
-
- 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
- B60W2510/08—Electric propulsion units
- B60W2510/081—Speed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
A kind of method that prevention for non-idling flameout pattern is cut the engine, suitable for the vehicles with a belt-type motor generator and an engine, belt-type motor generator is connected with engine power, and belt-type motor generator has one to be drawn by engine power and produce the power generation mode of electric power and one and drive the motoring mode of engine operating.Methods described is included：When engine is operated, judge that engine is in a non-idling flameout pattern；When the rotating speed of engine is less than a low threshold value, into a preventing fire cutout pattern, the preventing fire cutout pattern is included：Switch the belt-type motor generator to motoring mode；Increase a torque output value of belt-type motor generator until the rotating speed of engine is more than a high threshold value.
Description
Technical field
The present invention relates to a kind of method that prevention for non-idling flameout pattern is cut the engine, more particularly to a kind of application
The method cut the engine for the prevention of non-idling flameout pattern of belt-type motor generator.
Background technology
In order to reach the demand of carbon reduction, the vehicle of idling flameout system is equipped with the idling state (for example：Wait
Traffic lights, traffic congestion, roadside pause etc. make vehicle stop the situation more than three minutes) there is the mechanism for allowing and cutting the engine, wait to need
Want to restart engine during driving vehicle again, thus the consumption of fuel can be reduced to discharge excessive waste gas with avoiding.Although such as
This, for every driver, the thing that engine is then found pleasure in absolutely not and seen in stopping working under non-idle.
Engine is in flame-out under non-idle, it may occur however that cause engine speed not in the load increase of car engine
Foot, such as when upward slope is creeped or descending reverse gear is travelled.Now, because cutting the engine, vehicle no longer can be with inertia with power
Motion, for example：Cutting the engine for occurring when vehicle driving up is creeped can make vehicle reverse glide, and be sent out when vehicle descending is moved backward
Raw cuts the engine, and can make vehicle stalled glide.Which kind of situation is all extremely dangerous more than either, needs badly and avoids occurring.
The content of the invention
In view of this, it is an object of the invention to propose a kind of side that prevention for non-idling flameout pattern is cut the engine
Method, can avoid creeping in going up a slope, the non-idle of downhill running when, flame-out situation occurs for engine, except that can cause
Passenger with drive the destination to be gone to of smooth arrival beyond, also so ensure that driving and passenger personal safety.
The present invention proposes a kind of method that prevention for non-idling flameout pattern is cut the engine, it is adaptable to a belt
One vehicles of formula motor generator and an engine, belt-type motor generator is connected with engine power, and belt-type motor
Generator has one to be drawn by engine power and produce the power generation mode of electric power and a motoring mode for driving engine to operate.Institute
The method of stating is included：When engine is operated, judge that engine is in a non-idling flameout pattern；And it is low less than one in the rotating speed of engine
During threshold value, into a preventing fire cutout pattern, the preventing fire cutout pattern is included：Judge that belt-type motor generator is in motor
Pattern or power generation mode, when motoring mode, maintain belt-type motor generator in motoring mode and increase belt-type motor hair
One torque output value of motor is more than a high threshold value until the rotating speed of engine, when power generation mode, first closes belt-type motor
The power generation mode of generator judges whether the rotating speed of engine is less than the low threshold value again, if the rotating speed of engine is less than the low door
During threshold value, then by belt-type motor generator switch to motoring mode and increase belt-type motor generator torque output value it is straight
Rotating speed to engine is more than the high threshold value.
According to the method cut the engine for the prevention of non-idling flameout pattern of the present invention, it can avoid climbing in upward slope
When row, downhill running non-idle, flame-out situation occurs for engine, except the smooth arrival institute that can cause passenger with drive
Beyond the destination to be gone to, also and then it ensure that and drive and the personal safety of passenger.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 shows for the flow of the method cut the engine for the prevention of non-idling flameout pattern of first embodiment of the invention
It is intended to (one)；
Fig. 2 shows for the flow of the method cut the engine for the prevention of non-idling flameout pattern of first embodiment of the invention
It is intended to (two)；
Fig. 3 is engine speed of the present invention and the graph of a relation of time；
Fig. 4 shows for the flow of the method cut the engine for the prevention of non-idling flameout pattern of second embodiment of the invention
It is intended to (one)；
Fig. 5 shows for the flow of the method cut the engine for the prevention of non-idling flameout pattern of second embodiment of the invention
It is intended to (two).
Wherein, reference
S01 judges that engine is in a non-idling flameout pattern when engine is operated
S02 is when the rotating speed of engine is less than a low threshold value, into a preventing fire cutout pattern
P01 switches belt-type motor generator to motoring mode
P011 closes first and loaded
P012 judges whether belt-type motor generator is in power generation mode, if belt-type motor generator is in hair
Power mode, then first close power generation mode and switch to motoring mode again
One torque output value of P02 increase belt-type motor generators is more than a high threshold value until the rotating speed of engine
S03 terminates preventing fire cutout pattern when the rotating speed of engine is more than high threshold value
T01 is when engine is operated, and it is the non-idling flameout pattern that is in judge engine
T02 is when the rotating speed of engine is less than a low threshold value, into a preventing fire cutout pattern
Q01 judges that belt-type motor generator is in motoring mode or power generation mode, when motoring mode, maintains skin
Belt motor generator is in motoring mode and increases a torque output value of belt-type motor generator until the rotating speed of engine is big
In a high threshold value, when power generation mode, the power generation mode for first closing belt-type motor generator judges that the rotating speed of engine is again
It is no to be less than the low threshold value, if the rotating speed of engine is less than the low threshold value, belt-type motor generator is switched
To motoring mode and increase the torque output value of belt-type motor generator until the rotating speed of engine is more than the high threshold value
Q011 closes first and loaded
Q012 first judges that the rotating speed of engine is less than the low threshold value and judges belt-type again after the first load is closed
Motor generator is in motoring mode or power generation mode
T03 terminates preventing fire cutout pattern when the rotating speed of engine is more than high threshold value
Embodiment
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings：
Fig. 1 and Fig. 2 are refer to, it is respectively the prevention engine for non-idling flameout pattern of first embodiment of the invention
The schematic flow sheet (one) (two) of flame-out method, its specifically disclose first embodiment of the invention be used for non-idling flameout mould
The method that the prevention of formula is cut the engine, methods described applies to have a belt-type motor generator (Belt-Driven
Starter Generator, BSG) with the vehicles of an engine, belt-type motor generator is connected with engine power.Institute
Stating the vehicles can be, for example：Electric hybrid vehicle of oil, but the present invention is not limited thereto.The belt-type motor generator
With a power generation mode and a motoring mode.In power generation mode, belt-type motor generator is by engine power traction
Electric power can be produced；And in motoring mode, belt-type motor generator is engine can be driven to operate.In other words, Yu Fa
In power mode, belt-type motor generator is to can be considered a generator and can produce electricity consumption needed for supply of electric power in-car load；And
In motoring mode, belt-type motor generator is to can be considered a motor and can produce power and drive engine operating.The side
Method is included：Step S01：When engine is operated, it is the non-idling flameout pattern that is in judge engine；Step S02：In turning for engine
When speed is less than a low threshold value, into a preventing fire cutout pattern.And the preventing fire cutout pattern is included：Step P01：Switch belt
Formula motor generator is to motoring mode；Step P02：Increase a torque output value the turning until engine of belt-type motor generator
Speed is more than a high threshold value.
Referring to Fig. 1, step S01 be for when engine is operated, judge engine be in a non-idling flameout pattern.
In general, idling flameout pattern (Start-stop) is referred to when the vehicles are stopping waiting traffic lights or curb parking is time-consuming
In the case of too long, in order to reach effect of carbon reduction, the dynamical system of the vehicles is to judge that being now not required to operating draws
Hold up and will cut the engine；Comparatively, engine is that state in normal operation is then referred to as non-idling flameout pattern (non idle
Stop mode), now engine should not stop working, it is likely that because over load causes flame-out situation, citing and
Speech, it may occur however that when the vehicles are climbed upwards or are moved backward in descending.Here, because the present invention is to apply to prevent engine
It is flame-out in occurring under non-idling flameout state, it is therefore desirable to which that it is to be in non-idling flameout state to judge engine in advance.In this way, just not
The rotating speed of engine can be lifted in the case where the vehicles are in idling flameout state by mistake and persistently consume the energy and cause waste.Relevant engine
Whether the judgment technology in idling flameout state is can be learnt by running speed of transportation means or other specification, therefore
No longer add to repeat herein.
Refering to Fig. 1, step S02 be for when the rotating speed of engine is less than a low threshold value, into a preventing fire cutout pattern, its
It is to include step P01 and step P02, it is described further below.Here, the low threshold value be in 300r.p.m extremely
In 400r.p.m scope.Certainly, the different sizes of the range fit of rotating speed, the engine of performance should be able to also adjust.Need explanation
, the rotating speed of engine judges that the revolution counter (not shown) for being available with being connected and/or electrically connecting with engine signal reaches
Into, but the present invention is not limited thereto.
Refering to Fig. 1, step P01 is for switching belt-type motor generator to motoring mode.Accordingly, it is by step P01
Belt-type motor generator can be allowed to adjust to motoring mode, and belt-type motor generator can be made as a lifting engine speed
Power supply source use.
Refering to Fig. 1, step P02 is to increase the torque output value of belt-type motor generator, until the rotating speed of engine is big
In a high threshold value, wherein high threshold value is greater than low threshold value.As described in earlier paragraphs, at the end of step P01, due to
Belt-type motor generator has been adjusted to motoring mode, therefore its torque output value can increase simultaneously and then lift turning for engine
Speed, until engine rotating speed be more than the high threshold value.In other words, after the rotating speed of engine is more than the high threshold value, hand over
Logical instrument is not allow to tend to have flame-out situation, and it is hereby ensured that the driving safety of driver.Here, the high threshold value be
In 500r.p.m to 600r.p.m scope.Similarly, the different sizes of the range fit of rotating speed, the engine of performance should be able to also be adjusted
It is whole.
Among some implementation aspects, the vehicles are that, comprising one first load, it is interlocked with engine.Refer to
Fig. 2, for the foregoing vehicles, the preventing fire cutout pattern further includes step P011：First close first to load, then cut
Belt-type motor generator is changed to motoring mode.It is first to close the first load, then switch belt-type motor generator extremely in this
Motoring mode；But the present invention is not limited thereto, it can also first switch belt-type motor generator to motoring mode and turn off
One load, or switching belt-type motor generator is loaded to motoring mode with closing first simultaneously.The load of closing first is can
To reduce the load of engine, and contribute to the lifting of rotating speed.For example, the first load, which is, to be the cold of the vehicles
Gas compressor of air conditioner, but the present invention is not limited thereto.
Refering to Fig. 2, the preventing fire cutout pattern of the invention further includes step P012：Judging belt-type motor generator is
It is no to be in power generation mode, if belt-type motor generator is to be in power generation mode, first closes power generation mode and switch to motor again
Pattern.That is, when belt-type motor generator is to be in power generation mode, it is necessary to first by the hair of belt-type motor generator
Power mode is closed and switches to motoring mode again, so begins to lift the rotating speed of engine to increase torque output value.Need explanation
, be related to the means that switch belt-type motor generator between power generation mode and motoring mode can also by with institute
The switch (not shown) for stating the connection of belt-type motor generator signal and/or electrical connection is reached, but the present invention is equally simultaneously
It is not limited.
Again referring to Fig. 2, after the rotating speed of engine is more than the high threshold value, then being not required to send out by belt-type motor again
The motoring mode of motor lifts the rotating speed of engine, therefore methods described further includes step S03：When the rotating speed of engine is more than high threshold
During value, terminate preventing fire cutout pattern.Herein it should be noted that, when terminate preventing fire cutout pattern after, belt-type motor generate electricity
Machine is can be switched to the pattern of its script.In other words, if belt-type motor generator is to be in power generation mode at the beginning,
It is belt-type motor to generate electricity again after the method cut the engine for the prevention of non-idling flameout pattern of the present invention terminates
Machine-cut is changed to power generation mode；, can also be according to condition of road surface after preventing fire cutout pattern is terminated but the present invention is not limited thereto
Or the parameter such as engine, reassign the pattern of belt-type motor generator.
Refering to Fig. 3, it is to be the speed revolution value of engine, the first load (below by taking cold air conditioner compressor as an example), belt
The motoring mode of formula motor generator and the corresponding relation figure of time.When the rotating speed of engine is gradually reduced, and less than the low door
(being represented with L in schema), which then has, during threshold value occurs flame-out possibility (I regions).Therefore, it is now that can close cold air conditioner
Compressor and switching belt-type motor generator are to motoring mode, the rotating speed for making it provide torque output value and then lift engine
(II regions), until the rotating speed of engine is more than after the high threshold value (being represented with H in schema), you can to close motoring mode
(III regions).So each step of the invention and the relativeness of engine speed can be learnt by Fig. 3 so that engine is difficult hair
Raw flame-out situation, and then may insure the traffic safety of driver and passenger.
Fig. 4 and Fig. 5 are refer to, it is respectively the prevention engine for non-idling flameout pattern of second embodiment of the invention
The schematic flow sheet (one) (two) of flame-out method, its specifically disclose second embodiment of the invention be used for non-idling flameout mould
The method that the prevention of formula is cut the engine, methods described applies to the traffic with a belt-type motor generator and an engine
Instrument, the belt-type motor generator is connected with engine power.The vehicles can be, for example：Electric hybrid vehicle of oil,
But the present invention is not limited thereto.The belt-type motor generator has a power generation mode and a motoring mode.In generating mould
In formula, belt-type motor generator is to be drawn by engine power and can produce electric power；In motoring mode, belt-type motor
Generator is engine can be driven to operate.Methods described is included：Step T01：When engine is operated, it is non-in one to judge engine
Idling flameout pattern；And step T02：When the rotating speed of engine is less than a low threshold value, into a preventing fire cutout pattern.And institute
Preventing fire cutout pattern is stated to include：Step Q01：Judge that belt-type motor generator is in motoring mode or power generation mode, in horse
During expression patterns, maintain belt-type motor generator in motoring mode and increase belt-type motor generator a torque output value it is straight
Rotating speed to engine is more than a high threshold value, when power generation mode, and the power generation mode for first closing belt-type motor generator is sentenced again
Whether the rotating speed of disconnected engine is less than the low threshold value, if the rotating speed of engine is less than the low threshold value, by belt-type
Motor generator switches to motoring mode and increases the torque output value of belt-type motor generator until the rotating speed of engine is more than
The high threshold value.
Referring to the 4th figure, step T01 be for when engine is operated, judge engine be in a non-idling flameout mould
Formula.Here, such as the aspect of first embodiment, because the present invention is to apply to prevention engine in generation under non-idling flameout state
It is flame-out, it is therefore desirable to which that it is to be in non-idling flameout state to judge engine in advance.In this way, would not be put out in the vehicles in idling
The rotating speed of engine is lifted under fiery state by mistake and persistently consumes the energy and causes waste.In the same manner, whether relevant engine puts out in idling
The judgment technology of fiery state is can be learnt by running speed of transportation means or other specification, therefore no longer adds to go to live in the household of one's in-laws on getting married herein
State.
Refering to Fig. 4, step T02 be for when the rotating speed of engine is less than a low threshold value, into a preventing fire cutout pattern, its
Be comprising step Q01, it is described further below.Similarly, as described in first embodiment, here, the low threshold value is
In 300r.p.m to 400r.p.m scope,
Refering to Fig. 4, it is to judge that belt-type motor generator is in motoring mode or power generation mode that step Q01, which is,；Now,
If belt-type motor generator is to be in motoring mode, belt-type motor generator is in motoring mode and increases belt-type for maintenance
One torque output value of motor generator, until the rotating speed of engine is more than a high threshold value；And if the belt-type motor generates electricity
Machine is to be in power generation mode, then the power generation mode for first closing belt-type motor generator judges whether the rotating speed of engine is less than institute again
Low threshold value is stated, if the rotating speed of engine is less than the low threshold value, belt-type motor generator is switched into motor mould
Formula simultaneously increases the torque output value of belt-type motor generator until the rotating speed of engine is more than the high threshold value.Need explanation
It is, when belt-type motor generator is to be in power generation mode, due to being to have to move between belt-type motor generator and engine
Power annexation, its rotating speed that can be considered a load source and be likely to result in engine declines；In other words, when closing belt-type motor
During the power generation mode of generator, the rotating speed of engine is possible to and corresponds to because of the closing of power generation mode, in other words, this
When the doubt do not stopped working of engine, therefore, now belt-type motor generator need not be switched into motoring mode again and assist to carry
Rise engine speed.Accordingly, belt-type motor can be sent out when the rotating speed of engine is less than the low threshold value by step Q01
Motor switches to motoring mode, and can increase its torque output value and lift engine speed, until engine speed is more than wealthy family
Threshold value.Thereby, the vehicles are not allow to tend to have flame-out situation generation, and it is hereby ensured that the driving safety of driver.Here,
The high threshold value is in 500r.p.m to 600r.p.m scope.
Among some implementation aspects, the vehicles are more can be comprising one first load, and it is interlocked with engine.Please
Refering to Fig. 5, for the foregoing vehicles, the prevention pattern of cutting the engine for non-idling flameout pattern is further included
Step Q011：First close first to load, then switch belt-type motor generator to motoring mode.It is first by the first load in this
Close, then switch belt-type motor generator to motoring mode；But the present invention is not limited thereto, as described above, also may be used
The first load is turned off first to switch belt-type motor generator to motoring mode, or switches belt-type motor generator simultaneously
Loaded to motoring mode with closing first.It is that can reduce the load of engine to close the first load, and contributes to the lifting of rotating speed.
For example, the cold air conditioner compressor that it can be the vehicles that the first load, which is, but the present invention is not limited thereto.
When the first load is opened, because itself and engine have power connector relation, it is thus possible to cause under engine speed
Drop；In other words, when closing the first load, the rotating speed of engine is possible to correspondence and gos up and be higher than low threshold value, now engine
The anxiety do not stopped working then.Therefore, referring to Fig. 5, the present invention can further include step Q012：After the first load is closed, first
Judge that the rotating speed of engine is less than the low threshold value, then judge that belt-type motor generator is in motoring mode or generating mould
Formula.That is, after the first load is closed, if the rotating speed of engine is still less than the low threshold value, then judging belt-type horse
It is to be in power generation mode or motoring mode up to generator；And if the rotating speed of engine be more than low threshold value when, engine stop working doubt
Consider, therefore need not also force to switch the pattern of belt-type motor generator.
It is multiple referring to Fig. 5, step T03 is when the rotating speed of engine is more than high threshold value, to terminate preventing fire cutout pattern.
This should be noted that, after the rotating speed of engine is more than the high threshold value, due to engine not flame-out doubt, therefore
Preventing fire cutout pattern can be terminated.And after preventing fire cutout pattern is terminated, belt-type motor generator is to be switched to
The pattern of its script.In other words, if belt-type motor generator is to be in power generation mode at the beginning, in the present invention for non-
It is that belt-type motor generator can be switched into generating mould again after the method that the prevention of idling flameout pattern is cut the engine terminates
Formula；But the present invention is not limited thereto, after preventing fire cutout pattern is terminated, it can also join according to condition of road surface or engine etc.
Number, reassigns the pattern of belt-type motor generator.
The present invention be by the vehicles be in a non-idling flameout state under and its engine rotating speed be less than low threshold
During value, motoring mode is switched into a preventing fire cutout pattern, and by belt-type motor generator, thus torque can be provided
Output valve lifts the rotating speed of engine to engine so that engine will not stop working.Thereby, method provided by the present invention can be with
Engine speed is improved when the rotating speed of engine is less than the low threshold value, so that engine is not easy to non-idling flameout state
It is lower to occur to stop working, and then lift the personal safety of driver and passenger.
In summary, it can be kept away by the method cut the engine for the prevention of non-idling flameout pattern using the present invention
Creeped from going up a slope, the non-idle of downhill running when, flame-out situation occurs for engine, except that can cause passenger and driving
The destination to be gone to of smooth arrival beyond, also and then ensure that and drive and the personal safety of passenger.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and change ought can be made according to the present invention by knowing those skilled in the art
Shape should all belong to the protection domain of appended claims of the invention.
Claims (6)
1. a kind of method that prevention for non-idling flameout pattern is cut the engine, it is adaptable to a belt-type motor generator
With a vehicles of an engine, the belt-type motor generator is connected with the engine power, belt-type motor generator tool
There is one to be drawn by the engine power and produce the power generation mode of electric power and a motoring mode for driving the engine to operate, its feature
It is, this method includes：
When the engine is operated, judge that the engine is in a non-idling flameout pattern；And
When the rotating speed of the engine is less than a low threshold value, into a preventing fire cutout pattern, the preventing fire cutout pattern includes：
Judge that the belt-type motor generator is in the motoring mode or the power generation mode, when the motoring mode, maintain the skin
Belt motor generator increases a torque output value of the belt-type motor generator in the motoring mode, until the engine
Rotating speed be more than a high threshold value, when the power generation mode, first close the power generation mode of the belt-type motor generator, then sentence
Whether the rotating speed of the disconnected engine is less than the low threshold value, if the rotating speed of the engine is less than the low threshold value, by belt-type horse
Motoring mode is switched to up to generator and increases the torque output value of the belt-type motor generator until the rotating speed of the engine
More than the high threshold value.
2. the method that the prevention according to claim 1 for non-idling flameout pattern is cut the engine, it is characterised in that should
The vehicles include one first load interlocked with the engine, and the preventing fire cutout pattern, which is included in, judges that the belt-type motor generates electricity
Machine is in before the motoring mode or the power generation mode, first closes first load.
3. the method that the prevention according to claim 2 for non-idling flameout pattern is cut the engine, it is characterised in that should
First load is a cold air conditioner compressor.
4. the method that the prevention according to claim 2 for non-idling flameout pattern is cut the engine, it is characterised in that should
Preventing fire cutout pattern is further included after first load is closed, and first judges that the rotating speed of the engine judges this again less than the low threshold value
Belt-type motor generator is in the motoring mode or the power generation mode.
5. the method that the prevention according to claim 1 for non-idling flameout pattern is cut the engine, it is characterised in that should
Low threshold value is that in 300r.p.m. to 400r.p.m. scope, high threshold value is the model to 600r.p.m. in 500r.p.m.
In enclosing.
6. the method that the prevention according to claim 1 for non-idling flameout pattern is cut the engine, it is characterised in that more
Comprising after the rotating speed of engine is more than the high threshold value, terminate the preventing fire cutout pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428457.8A CN104442799B (en) | 2013-09-18 | 2013-09-18 | The method that prevention for non-idling flameout pattern is cut the engine |
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