CN107989706A - The auto-stopper of engine - Google Patents

The auto-stopper of engine Download PDF

Info

Publication number
CN107989706A
CN107989706A CN201710966590.7A CN201710966590A CN107989706A CN 107989706 A CN107989706 A CN 107989706A CN 201710966590 A CN201710966590 A CN 201710966590A CN 107989706 A CN107989706 A CN 107989706A
Authority
CN
China
Prior art keywords
engine
automatic stop
road gradient
mentioned
gradient
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710966590.7A
Other languages
Chinese (zh)
Other versions
CN107989706B (en
Inventor
大濑良明彦
斋藤正和
内田直博
大川内亮平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzuki Motor Corp
Original Assignee
Suzuki Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzuki Motor Corp filed Critical Suzuki Motor Corp
Publication of CN107989706A publication Critical patent/CN107989706A/en
Application granted granted Critical
Publication of CN107989706B publication Critical patent/CN107989706B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
    • F02N11/0833—Vehicle conditions
    • F02N11/0837—Environmental conditions thereof, e.g. traffic, weather or road conditions
    • 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
    • B60K6/42—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 the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
    • 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
    • B60W30/18072—Coasting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
    • F02D17/04—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling rendering engines inoperative or idling, e.g. caused by abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
    • F02N11/0822—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode related to action of the driver
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/10—Safety devices
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/0205—Diagnosing or detecting failures; Failure detection models
    • B60W2050/021—Means for detecting failure or malfunction
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/0205—Diagnosing or detecting failures; Failure detection models
    • B60W2050/0215—Sensor drifts or sensor failures
    • 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
    • B60W2510/18—Braking system
    • B60W2510/182—Brake pressure, e.g. of fluid or between pad and disc
    • 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
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • 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
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/10—Accelerator pedal position
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
    • F02D2200/702—Road conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/006—Starting of engines by means of electric motors using a plurality of electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
    • F02N11/0866—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery comprising several power sources, e.g. battery and capacitor or two batteries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
    • F02N2200/0801—Vehicle speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/10—Parameters used for control of starting apparatus said parameters being related to driver demands or status
    • F02N2200/101—Accelerator pedal position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/12—Parameters used for control of starting apparatus said parameters being related to the vehicle exterior
    • F02N2200/124—Information about road conditions, e.g. road inclination or surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2300/00—Control related aspects of engine starting
    • F02N2300/20—Control related aspects of engine starting characterised by the control method
    • F02N2300/2002—Control related aspects of engine starting characterised by the control method using different starting modes, methods, or actuators depending on circumstances, e.g. engine temperature or component wear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2300/00—Control related aspects of engine starting
    • F02N2300/20—Control related aspects of engine starting characterised by the control method
    • F02N2300/2011—Control involving a delay; Control involving a waiting period before engine stop or engine start
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Atmospheric Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

The auto-stopper for the engine that can prevent vehicle from being moved on the big road surface of the gradient when engine automatic stop portion failure is provided.Auto-stopper (70) possesses：Road surface inclination sensor (54), it detects the gradient of motor vehicle driven by mixed power (1) track；Engine automatic stop portion (61), it is automatically stopped engine (2) when the automatic stop condition of the road gradient including the automatic stop condition of the road gradient of the road gradient information setting detected according to road surface inclination sensor is set up；And breakdown determination portion (62), it is determined as that engine automatic stop portion breaks down when the exception of engine automatic stop portion (61) is continuing in a period of stipulated time T1.Engine automatic stop portion is in the case where road gradient is more than setting, when the automatic stop condition of road gradient is being set up in a period of the stipulated time 2 more than stipulated time T1, it is allowed to which engine is automatically stopped.

Description

The auto-stopper of engine
Technical field
The present invention relates to the auto-stopper of engine.
Background technology
In the vehicle for carrying engine, the auto-stopper of following engine is equipped with：Work as rule in vehicle traveling By engine automatic stop so as to improving fuel efficiency when fixed automatic stop condition is set up.
As the vehicle for being equipped with this automatic engine shutdown apparatus, it is known that make hair according to the gradient of vehicle running surface The self-braking idling stop vehicle of motivation (referring for example to patent document 1).
In the idling stop vehicle, when under the dead ship condition of vehicle, sensed according to the inclination angle of detection road gradient The road gradient information of device, when road gradient is less than below the 2nd setting of the 1st setting and automatic stop condition is set up, Make engine automatic stop and carry out the breakdown judge of idle stop device, before fault verification terminates, execution is forbidden big It is automatically stopped in the road gradient of the 2nd setting.
Prior art literature
Patent document
Patent document 1：Special open 2012-255383 publications
The content of the invention
Problems to be solved by the invention
But in this existing idling stop vehicle, when from engine automatic stop is made to idle stop device Before breakdown judge terminates, when vehicle is from level road into the big road surface of the gradient and parking, vehicle is possible to run counter to the meaning of driver Scheme and move.
It is an object of the invention to provide when engine automatic stop portion failure vehicle can be prevented on the big road surface of the gradient The auto-stopper of the engine of upper movement.
The solution used to solve the problem
The auto-stopper of the engine of the present invention possesses：Road gradient test section, it detects vehicle running surface The gradient；And engine automatic stop portion, it is when the road gradient information for including being detected according to above-mentioned road gradient test section When defined automatic stop condition including the automatic stop condition of the road gradient of setting is set up, make engine automatic stop, The auto-stopper of above-mentioned engine is characterized in that possessing breakdown determination portion, which works as above-mentioned engine certainly During 1 stipulated time of aberrant continuation of dynamic stop, it is determined as that above-mentioned engine automatic stop portion breaks down, above-mentioned engine Portion is automatically stopped in the case where road gradient is more than setting, when road in above-mentioned defined automatic stop condition, above-mentioned The automatic stop condition of the face gradient in a period of more than the 2nd stipulated time of above-mentioned 1st stipulated time when setting up, it is allowed to above-mentioned Engine is automatically stopped.
Invention effect
According to the present invention, it can prevent vehicle from being moved on the big road surface of the gradient when engine automatic stop portion failure.
Brief description of the drawings
Fig. 1 is the outline structure of the motor vehicle driven by mixed power of the auto-stopper for the engine for possessing one embodiment of the invention Cheng Tu.
Fig. 2 is the function constitution map of the auto-stopper of the engine of one embodiment of the invention.
Fig. 3 is by the failure in the engine automatic stop portion of the auto-stopper of the engine of one embodiment of the invention State determines the automatic stop condition establishment definite time on time, the gradient big road surface and being automatically stopped for soft road surface Condition sets up the figure for determining that the time compares.
Fig. 4 is that being automatically stopped in processing for auto-stopper execution of the engine of one embodiment of the invention includes The flow chart of the fault detect processing of auto-stopper.
Fig. 5 is that being automatically stopped in processing for auto-stopper execution of the engine of one embodiment of the invention includes The establishment of the engine auto stop conditions of road gradient determines the flow chart of processing.
Fig. 6 is that being automatically stopped in processing for auto-stopper execution of the engine of one embodiment of the invention includes The flow chart for being automatically stopped determination processing of engine.
Description of reference numerals
1：Motor vehicle driven by mixed power (vehicle), 2：Engine, 51：Hydrostatic sensor (vehicle state detecting section), 52：Speed passes Sensor (vehicle state detecting section), 54：Road surface inclination sensor (road gradient test section, vehicle state detecting section), 61：Start Machine is automatically stopped portion, 62：Breakdown determination portion.
Embodiment
The auto-stopper of the engine of one embodiment of the present invention possesses：Road gradient test section, it detects car The gradient of track；And engine automatic stop portion, it is when the road surface for including being detected according to road gradient test section When defined automatic stop condition including the automatic stop condition of the road gradient of grade information setting is set up, make engine certainly Dynamic to stop, the auto-stopper of above-mentioned engine is characterized in that possessing breakdown determination portion, which works as engine When being automatically stopped 1 stipulated time of aberrant continuation in portion, it is determined as that engine automatic stop portion breaks down, engine stops automatically Stop is stopped automatically in the case where road gradient is more than setting when in defined automatic stop condition, road gradient Only condition in a period of more than the 2nd stipulated time of the 1st stipulated time when setting up, it is allowed to which engine is automatically stopped.
Thus, it can prevent vehicle from being moved on the big road surface of the gradient when engine automatic stop portion failure.
[embodiment]
Hereinafter, with reference to the accompanying drawings of the hybrid power of the auto-stopper for the engine for being equipped with the embodiment of the present invention Vehicle.
As shown in Figure 1, motor vehicle driven by mixed power 1 includes：As the engine 2 of internal combustion engine, speed changer 3, dynamotor 4, Driving wheel 5, HCU (the Hybrid Control Unit for synthetically controlling motor vehicle driven by mixed power 1：Hybrid power control unit) 10, Control ECM (the Engine Control Module of engine 2：Engine control module) 11, control speed changer 3 TCM (Transmission Control Module：Transmission control module) 12, ISGCM (Integrated Starter Generator Control Module：It is integrated to start alternator control modules) 13, INVCM (Invertor Control Module：Inverter control module) 14, low pressure BMS (Battery Management System：Battery management system) 15 with And high pressure BMS16.The motor vehicle driven by mixed power 1 of the present embodiment forms the vehicle of the present invention.
Formed with multiple cylinders in engine 2.In the present embodiment, engine 2 is configured to include each cylinder Induction stroke, compression stroke, a series of 4 strokes of expansion stroke and exhaust stroke.
ISG(Integrated Starter Generator：It is integrated to start generator) 20 and starter 21 be attached to hair Motivation 2.ISG20 is linked by the grade of band 22 and the bent axle 18 of engine 2.ISG20 has：By be supplied electric power rotate so as to Make the function of the motor of the startup of engine 2；And the rotary force inputted from bent axle 18 is converted to the work(of the generator of electric power Energy.
In the present embodiment, ISG20 is played function by the control of ISGCM13 as motor, so that engine 2 Restart from the halted state based on idle stop function.ISG20 can also be played function as motor, so as to aid in mixing dynamic The traveling of power vehicle 1.
Starter 21 includes motor (not shown) and pinion gear.Starter 21 is by making motor rotation make bent axle 18 Rotation, provides engine 2 rotary force during startup.In this way, engine 2 is started by starter 21, by ISG20 from based on idling The halted state for stopping function being restarted.
The rotation exported from engine 2 is carried out speed change by speed changer 3, and driving wheel 5 is driven by drive shaft 23.Speed changer 3 Possess：Normal engagement type gear 25 including parallel-axes gears mechanism；The clutch being made of the dry clutch of closed type 26；And differential attachment 27.
Speed changer 3 is configured to so-called AMT (Automated Manual Transmission：Auto-manual transmission), Speed change is controlled by the actuator (not shown) controlled by TCM12.
Specifically, the switching of shift gear and the connection and release of clutch 26 of gear 25 are carried out by actuator. The power that gear 25 exports is delivered to drive shaft 23 by differential attachment 27.
Dynamotor 4 is linked by the power transmission mechanisms such as chain 28 and differential attachment 27.Dynamotor 4 is as electricity Motivation plays function.
In this way, motor vehicle driven by mixed power 1, which is formed, to be used for vehicle by the power both engine 2 and dynamotor 4 The parallel connection type hybrid power system of driving, the power exported by least one party in engine 2 and dynamotor 4 travel.
Dynamotor 4 is also played function as generator, is generated electricity by the traveling of motor vehicle driven by mixed power 1.In addition, It is any one in transferring power to from engine 2 to the power transfer path of driving wheel 5 that as long as dynamotor 4, which links, Place, without necessarily linking with differential attachment 27.
Motor vehicle driven by mixed power 1 possesses：1st electrical storage device 30, the low-tension supply group 32 comprising the 2nd electrical storage device 31, include High voltage power supply group 34, high-tension cable 35 and the low-voltage cable 36 of 3rd electrical storage device 33.
1st electrical storage device 30, the 2nd electrical storage device 31 and the 3rd electrical storage device 33 are made of the secondary cell that can be charged.1st Electrical storage device 30 includes lead-acid battery.2nd electrical storage device 31 is height output and high-energy-density compared with the 1st electrical storage device 30 Electrical storage device.
2nd electrical storage device 31 can be charged compared with the 1st electrical storage device 30 with the short time.In the present embodiment, the 2nd electric power storage fills Putting 31 includes lithium ion battery.In addition, the 2nd electrical storage device 31 can also be nickel-hydrogen accumulator.
1st electrical storage device 30 and the 2nd electrical storage device 31 are that monomer electricity is set in a manner of producing the output voltage of about 12V The A-battery of the number in pond etc..3rd electrical storage device 33 is for example including lithium ion battery.
3rd electrical storage device 33 is set in a manner of producing the voltage higher than the 1st electrical storage device 30 and the 2nd electrical storage device 31 The high-tension battery of the number of single battery etc., such as produce the output voltage of 100V.Residual capacity of 3rd electrical storage device 33 etc. State is managed by high pressure BMS 16.
It is provided with motor vehicle driven by mixed power 1 as the general load 37 of electric loading and by protection load 38.General load 37 It is the electric loading beyond starter 21 and ISG20 with loading 38 by protection.
It is the electric loading of the supply of electric power to be aspired for stability all the time by protection load 38.This is included by protection load 38：Prevent The stabilization control device 38A of the sideslip of motor vehicle driven by mixed power 1, the operating force to deflecting roller carry out the electric power steering of electric auxiliary Control device 38B and car light 38C.In addition, by protection load 38 further include lamp ＆ lantern and the meters of instrument board (not shown) with And auto-navigation system.
The supply of electric power that general load 37 not aspire for stability compared with by protection load 38, is that the momentary electricity used is born Carry.General load 37 conveys the electronic cooling fan of cooling wind for example including wiper (not shown) and to engine 2.
Low-tension supply group 32 also has 40,41 and low pressure BMS15 of switch in addition to the 2nd electrical storage device 31.1st 30 and the 2nd electrical storage device 31 of electrical storage device by low-voltage cable 36 is connected to starter 21, ISG20 and is used as the one of electric loading As load 37 and by protection load 38 and can to they supply electric power.1st electrical storage device 30 and the 2nd electrical storage device 31 in parallel with It is electrically connected by protection load 38.
Switch 40 is arranged on the 2nd electrical storage device 31 and by the low-voltage cable 36 between protection load 38.Switch 41 is arranged on the 1st and stores Electric installation 30 and by protection load 38 between low-voltage cable 36.
Low pressure BMS15 is closed by the disconnection of controlling switch 40,41, and control the 2nd electrical storage device 31 discharge and recharge and to By the supply of electric power of protection load 38.Low pressure BMS15 in engine 2 by idle stop to stop when, will switch 40 closure simultaneously And disconnect switch 41, thus from the 2nd electrical storage device 31 of height output and high-energy-density to by 38 supply electric power of protection load.
Low pressure BMS15 makes to control by idle stop when starting engine 2 using starter 21 and using ISG20 And the engine 2 stopped being when restarting, the closure of switch 40 and switch 41 will be disconnected, thus from the 1st electrical storage device 30 to opening Dynamic device 21 or ISG20 supply electric power.In the state of it will switch 40 closures and disconnect switch 41, also from the 1st electrical storage device The 30 pairs of general supply of load 37 electric power.
In this way, the 1st electrical storage device 30 is at least to the starter 21 and ISG20 as the starter for making the startup of engine 2 Supply electric power.2nd electrical storage device 31 is at least to general load 37 and by 38 supply electric power of protection load.
Although the 2nd electrical storage device 31 is connected as that electric power can be supplied to general load 37 and by both protection loads 38, Pass through low pressure BMS15 controlling switches 40,41 so that preferentially to the supply of electric power to be aspired for stability all the time by 38 supply of protection load Electric power.
Low pressure BMS15 had both considered charged state (the charging residue of the 1st electrical storage device 30 and the 2nd electrical storage device 31 sometimes Amount) and make the general request for loading 37 and 38 work are loaded by protection, and preferentially make to be protected and load 38 steady operations, and with The mode controlling switch 40,41 different from above-mentioned example.
High voltage power supply group 34 is in addition to the 3rd electrical storage device 33, also with inverter 45, INVCM14 and high pressure BMS16.High voltage power supply group 34 is connected as that electric power can be supplied to dynamotor 4 by high-tension cable 35.
Inverter 45 by the alternating current for putting on high-tension cable 35 and puts on the 3rd electric power storage dress by the control of INVCM14 The direct current for putting 33 is mutually changed.Such as INVCM14 makes dynamotor 4 power running (Japanese original text：Lixing) when, pass through The direct current that 3rd electrical storage device 33 discharges is converted to alternating current and is fed to dynamotor 4 by inverter 45.
When regenerating dynamotor 4, the alternating current for being sent dynamotor 4 by inverter 45 turns INVCM14 It is changed to direct current and charges to the 3rd electrical storage device 33.
HCU10, ECM11, TCM12, ISGCM13, INVCM14, low pressure BMS15 and high pressure BMS16 include computer respectively Unit, the computer unit possess CPU (Central Processing Unit：Central processing unit), RAM (Random Access Memory：Random access memory), ROM (Read Only Memory：Read-only storage), preserve backup data Deng flash memory, input port and output port.
Various constants or various mappings etc. are preserved in the ROM of these computer units and for making the computer Unit is played function respectively as HCU10, ECM11, TCM12, ISGCM13, INVCM14, low pressure BMS15 and high pressure BMS16 Program.
That is, CPU performs the programs that preserve of ROM using RAM by working region, thus, these computer units respectively as The HCU10, ECM11, TCM12, ISGCM13, INVCM14, low pressure BMS15 and high pressure BMS16 of the present embodiment are played function.
In the present embodiment, ECM11 performs idle stop control.In idle stop control, ECM11 when it is defined from Dynamic stop condition stops engine 2 when setting up, when it is defined restart when condition is set up by ISGCM13 drive ISG20 and Restart engine 2.Therefore, the unnecessary idle running of engine 2 will not be carried out, motor vehicle driven by mixed power 1 can be improved Fuel efficiency.
Motor vehicle driven by mixed power 1 is equipped with follows CAN (Controller Area Network for formation：Controller local Net) etc. standard in-car LAN (Local Area Network：LAN) CAN communication line 48,49.
HCU10 is connected by CAN communication line 48 with INVCM14 and high pressure BMS16.HCU10, INVCM14 and high pressure BMS16 The transmission that the signals such as signal are mutually controlled by CAN communication line 48 receives.
HCU10 is connected by CAN communication line 49 with ECM11, TCM12, ISGCM13 and low pressure BMS15.HCU10、ECM11、 The transmission that TCM12, ISGCM13 and low pressure BMS15 are mutually controlled the signals such as signal by CAN communication line 49 receives.
In fig. 2, ECM11 is connected to hydrostatic sensor 51, vehicle speed sensor 52, accelerator opening sensor 53 and road surface Slope Transducer 54.
Hydrostatic sensor 51 detects brake fluid pressure P and detection information is output to ECM11.The detection mixing of vehicle speed sensor 52 The speed of power car 1 and detection information is output to ECM11.Accelerator opening sensor 53 will with equivalent to accelerator pedal Signal output directly proportional the accelerator opening AP of the operating quantity of 53A is to ECM11.
Road surface inclination sensor 54 arrives the corresponding signal output of the size of the gradient with 1 track of motor vehicle driven by mixed power ECM11.The ECM11, hydrostatic sensor 51, vehicle speed sensor 52, accelerator opening sensor 53 and road gradient of the present embodiment Sensor 54 forms auto-stopper 70.Auto-stopper 70 forms the auto-stopper of the engine of the present invention.
ECM11 is played function as engine automatic stop portion 61.Engine automatic stop portion 61 is according to hydrostatic sensor The speed information and road surface inclination sensor 54 that the 51 brake fluid pressure information detected, vehicle speed sensor 52 detect detect Engine 2 is automatically stopped by the road gradient information gone out.
Brake fluid pressure P is for example more than specified pressure Pth by engine automatic stop portion 61, speed is fixing speed value (such as Vthkm/h) is below and the size of road gradient is in defined scope (such as road gradient is-N1%≤θ≤+ N2%) allow being automatically stopped for engine 2 as defined automatic stop condition.
In addition, auto-stopper 70 is according to from hydrostatic sensor 51, vehicle speed sensor 52, accelerator opening sensor 53 and the detection information of road surface inclination sensor 54, it is automatically stopped engine 2 when defined automatic stop condition is set up, but Not limited to this.Can also be according to the detection information from the other sensors for being equipped on motor vehicle driven by mixed power 1, when defined automatic Stop condition is automatically stopped engine 2 when setting up.
ECM11 is with the defined accelerator pedal 53A for restarting condition, for example being detected with accelerator opening sensor 53 Aperture be more than 0 or releasing of brake be condition, engine 2 is restarted.54 structure of road surface inclination sensor of the present embodiment Into the road gradient test section of the present invention.
ECM11 is played function as breakdown determination portion 62.Breakdown determination portion 62 works as the exception in engine automatic stop portion 61 When continuing for 1 stipulated time, it is determined as that auto-stopper 70 breaks down.
The exception in engine automatic stop portion 61 refers to, such as engine automatic stop portion 61 can not be normally identified from liquid The signal that pressure sensor 51, vehicle speed sensor 52, accelerator opening sensor 53 and road surface inclination sensor 54 input.
In that case, it is possible to be automatically stopped engine 2 in the state of should not engine 2 be automatically stopped, Or easily can not recover engine 2 after being automatically stopped, therefore breakdown determination portion 62 is judged as engine automatic stop portion 61 exception, when 1 stipulated time of aberrant continuation in engine automatic stop portion 61, is determined as engine automatic stop portion 61 Break down.So in order to determine the failure in engine automatic stop portion 61 and original using the process of the 1st stipulated time as condition Because being, such as to exclude the influence of noise etc..
Engine automatic stop portion 61 is such as automatic when road gradient in the case where road gradient is more than setting Stop condition in a period of more than the 2nd stipulated time of the 1st stipulated time when setting up, it is allowed to which engine 2 is automatically stopped. In Fig. 3, the 2nd stipulated time T2 is set greater than the 1st stipulated time T1.
Here, above-mentioned setting refers to whether become is that motor vehicle driven by mixed power 1 is possible to start to move when engine 2 stops Road gradient benchmark value.In the case where road gradient is more than setting, the gradient is big, and motor vehicle driven by mixed power 1 has can It can start to move.Road gradient be less than setting in the case of, the gradient is small, motor vehicle driven by mixed power 1 do not start to movement can Can property.
1st stipulated time T1 is the failure shape needed for detect the failure of auto-stopper 70 untill definite failure State determines the time.2nd stipulated time T2 is, for example, needed for untill the establishment of automatic stop condition of road gradient is determined Time, determines that the opportunity t2 of the establishment of the automatic stop condition of road gradient is set as being later than definite engine automatic stop portion 61 Failure opportunity t1.
It is used as in addition, engine automatic stop portion 61 is set with the 2nd stipulated time T3 in the case where road gradient is small directly Time needed for untill the establishment of automatic stop condition of road gradient is determined.Hereinafter, also the 1st stipulated time T1 is claimed sometimes Determine time T1 for malfunction, sometimes also by the 2nd stipulated time T2, T3 be referred to as the automatic stop condition of road gradient into Vertical definite time T2, T3.
2nd stipulated time T3 is set smaller than the 2nd stipulated time T2, determines the establishment of the automatic stop condition of road gradient Opportunity t2 be set as being later than the opportunity t3 of the establishment of the automatic stop condition of definite road gradient.
Engine automatic stop portion 61 is set as the 2nd stipulated time T2 in the case where road gradient is more than setting, When road gradient is less than setting, 2nd stipulated time T3 of the setting less than the 2nd stipulated time T2.
In addition, the 2nd stipulated time T3 determines time T1 less than malfunction.In the case where road gradient is small, with road surface The big situation of the gradient is compared, even if engine 2 is stopped, it is also low that motor vehicle driven by mixed power 1 starts mobile possibility, therefore can make Engine 2 stops rapidly.
Thus, the frequency of idle stop can be increased or extend the time of idle stop, the fuel effect of engine 2 can be improved Rate.
In this way, engine automatic stop portion 61 will be switched to T2 or T3 the stipulated times according to the size of road gradient.This reality It is corresponding with the 1st stipulated time of the present invention to apply the 1st stipulated time T1 of example, the 2nd stipulated time T2, T3 and the of the invention the 2nd rule Fix time correspondence.
Breakdown determination portion 62 is judged to starting as the 1st stipulated time T1 of aberrant continuation in engine automatic stop portion 61 Machine is automatically stopped portion 61 and breaks down.Work as rule in the case where road gradient is more than setting in engine automatic stop portion 61 In fixed automatic stop condition, road gradient automatic stop condition is in the 2nd stipulated time T2 more than the 1st stipulated time T1 In a period of when setting up, it is allowed to engine 2 is automatically stopped.
Work as the breakdown determination portion 62 in a period of the 1st stipulated time T1 and be judged as engine certainly in engine automatic stop portion 61 When dynamic stop 61 is in failure, forbid being automatically stopped for engine 2.
In addition, in figure 3, the automatic stop condition of road gradient is shown as defined automatic stop condition, but It can replace the automatic stop condition of road gradient and use the automatic stop condition of brake fluid pressure or being automatically stopped for speed Condition.
Then, it is automatically stopped processing with reference to what Fig. 4 to Fig. 6 illustrated engine 2.
Fig. 4 to Fig. 6 is the flow chart for being automatically stopped processing routine of engine 2, this is automatically stopped processing routine and is stored in The ROM of ECM11, is performed repeatedly by ECM11 by predetermined time interval.
In Fig. 4, the breakdown determination portion 62 of ECM11 judges whether to detect the exception (step in engine automatic stop portion 61 Rapid S1).In step sl, breakdown determination portion 62 is for example when engine automatic stop portion 61 identified input can not arrive exactly During the state certain time of the signal of ECM11, it is judged as the exception in engine automatic stop portion 61, enters step S2.
In step sl, breakdown determination portion 62 makes in the case where being judged as that engine automatic stop portion 61 does not have exception The routine returns.
In step s 2, the malfunction in the beginning engine automatic stop of breakdown determination portion 62 portion 61 determines the meter of time T1 When, judge whether that have passed through malfunction determines time T1 (step S3).In step s3, breakdown determination portion 62 is being judged as not having Have in the case of determining time T1 by malfunction, return to the routine.
In step s3, it is true to have passed through malfunction in the state of being judged as nonserviceabling persistently for breakdown determination portion 62 Fix time in the case of T1, be judged as that the abnormality of road surface inclination sensor 54 continues, definite time T1 warps of nonserviceabling Later determine that engine automatic stop portion 61 is in failure (step S4).
In Figure 5, the engine automatic stop portion 61 of ECM11 is according to the detection information from road surface inclination sensor 54, Judge whether road gradient is being automatically stopped below decision content (step S11) for engine 2.The engine 2 of the present embodiment from The dynamic decision content that stops is set to defined range Theta (- N between uplink road gradient and defined downlink road gradient1%≤θ≤+ N2Upper limit value %) or the absolute value of lower limit.
In the road gradient bigger than defined uplink road gradient or the road bigger than defined downlink road gradient In the case of the gradient of face, road gradient is should not be self-braking by engine 2, therefore is automatically stopped decision content and is set as forbidding The value of the scope of the self-braking road gradient of engine 2.
In step s 11, engine automatic stop portion 61 is being judged as that road gradient sentences more than being automatically stopped for engine 2 In the case of definite value, make automatic stop condition invalid, return to the routine.
In step s 11, engine automatic stop portion 61 is being judged as that road gradient is that engine 2 is automatically stopped judgement In the case that value is following, judge whether road gradient is more than setting (step S12).
As described above, whether the setting is as being that motor vehicle driven by mixed power 1 is possible to start to move when engine 2 stops Road gradient benchmark value, be set as being automatically stopped arbitrary value (such as the road surface gradient theta in the range of θ of decision content x)。
In step s 12, engine automatic stop portion 61 is in the case where being judged as that road gradient is more than setting, into Enter step S13, in the case where being judged as that road gradient is less than setting, enter step S17.
In step s 13, engine automatic stop portion 61 is judged as YES the meaning that motor vehicle driven by mixed power 1 is easy to run counter to driver Scheme and mobile road gradient, determine that the automatic stop condition of the road gradient of time T1 is set up more than malfunction setting After determining time T2, S14 is entered step.
In step S17, engine automatic stop portion 61 is judged as YES motor vehicle driven by mixed power 1 and is not easy to run counter to the meaning of driver Scheme and mobile road gradient, determine that the automatic stop condition of the road gradient of time T1 is set up less than malfunction setting After determining time T3, S14 is entered step.
In step S14, engine automatic stop portion 61 is starting the automatic stop condition of set road gradient After the timing for setting up time T2 or T3, judge whether that the automatic stop condition that have passed through road gradient sets up time T2 or T3 (step Rapid S15).
In step S15, engine automatic stop portion 61 is in the automatic stop condition for being judged as not passing through road gradient Set up in the case of determining time T2 or T3, return to the routine, be judged as have passed through the automatic stop condition of road gradient Set up in the case of determining time T2 or T3, the automatic stop condition of road gradient is set up (step S16).
In figure 6, whether 61 failure judgement determination unit 62 of engine automatic stop portion determines engine automatic stop portion 61 failure (step S21), in the case where being judged as failure that breakdown determination portion 62 determines engine automatic stop portion 61, That forbids engine 2 after failure determines time T1 warps is automatically stopped (step S22), returns to the routine.
In the step s 21, engine automatic stop portion 61 is being judged as that breakdown determination portion 62 is automatic without definite engine In the case of the failure of stop 61, judge whether the establishment of the automatic stop condition of road gradient determines (step S23), sentencing Break does not have in the case of determining for the establishment of the automatic stop condition of road gradient, returns to the routine.
In step S23, engine automatic stop portion 61 is being judged as the establishment of the automatic stop condition of road gradient In the case of determining, allow being automatically stopped (step S24) for engine 2 later in the 2nd stipulated time T2 or T3 warps.At this time, if Automatic stop condition beyond the automatic stop condition of road gradient is set up, then engine 2 is automatically stopped.
In this way, the automatic engine shutdown apparatus 70 of the present embodiment possesses：Road surface inclination sensor 54, it is dynamic that it detects mixing The gradient of 1 track of power vehicle；And engine automatic stop portion 61, it according to road surface inclination sensor 54 when including detecting The automatic stop condition of road gradient including the automatic stop condition of the road gradient of the road gradient information setting gone out is set up When, it is automatically stopped engine 2.
Automatic engine shutdown apparatus 70 is also equipped with breakdown determination portion 62, which works as engine automatic stop During 1 stipulated time of aberrant continuation in portion 61, it is determined as that engine automatic stop portion 61 breaks down.Engine automatic stop portion 61 in the case where road gradient is more than setting, when the automatic stop condition of road gradient is in the rule more than stipulated time T1 Fix time when setting up in a period of T2, it is allowed to which engine 2 is automatically stopped.
Thus, the abnormal time in detection engine automatic stop portion 61 is can ensure that in a period of the 1st stipulated time T1. Therefore, in the state of motor vehicle driven by mixed power 1 is parked in the big road surface of the gradient, before the establishment of automatic stop condition as defined in determining In the case of the failure for being judged as engine automatic stop portion 61, it can carry out forbidding the self-braking control of engine 2.
As a result, can prevent in the state of engine automatic stop portion 61 is there occurs failure implement engine 2 from It is dynamic to stop, it can prevent motor vehicle driven by mixed power 1 from running counter to the intention of driver on the big road surface of the gradient and moving.
In addition, in the state of motor vehicle driven by mixed power 1 is parked in the big road surface of the gradient, being automatically stopped for road gradient is being determined In the case of the failure for not being judged as engine automatic stop portion 61 before the establishment of condition, the automatic of engine 2 can be implemented and stopped Only.Thus, the fuel efficiency of engine 2 can be improved.
According to the auto-stopper 70 of the present embodiment, engine automatic stop portion 61 is judged to sending out when breakdown determination portion 62 When motivation is automatically stopped portion 61 and breaks down, forbid being automatically stopped for engine 2.
Thus, motor vehicle driven by mixed power 1 can be more reliably prevented to run counter to the intention of driver on the big road surface of the gradient and move It is dynamic.
In addition, according to the auto-stopper 70 of the present embodiment, engine automatic stop portion 61 is when road gradient is less than rule During definite value, be set smaller than to the 2nd stipulated time T3 of the 2nd stipulated time T2 the 2nd stipulated time.Thus, when making hybrid power Vehicle 1 is when being not easy to run counter to the intention of driver and parking at the gentle road gradient of movement, compared with the 2nd stipulated time T2 The 2nd stipulated time T3 can be shortened.
Accordingly, it is capable to later early be automatically stopped engine 2 in the 2nd stipulated time T3 warps, it can more effectively improve and start The fuel efficiency of machine 2.
Although disclosing the embodiment of the present invention, but it is clear that those skilled in the art are with can not departing from the scope of the present invention Changed.All this modifications and equivalent are contained in claims by intention.

Claims (3)

1. a kind of auto-stopper of engine, possesses：
Road gradient test section, it detects the gradient of vehicle running surface；And
Engine automatic stop portion, it is when the road gradient information setting for including being detected according to above-mentioned road gradient test section When defined automatic stop condition including the automatic stop condition of road gradient is set up, make engine automatic stop, above-mentioned hair The auto-stopper of motivation is characterized in that,
Possess breakdown determination portion, the breakdown determination portion when 1 stipulated time of aberrant continuation in above-mentioned engine automatic stop portion, It is determined as that above-mentioned engine automatic stop portion breaks down,
Above-mentioned engine automatic stop portion defined is automatically stopped bar in the case where road gradient is more than setting, when above-mentioned The automatic stop condition of in part, above-mentioned road gradient in a period of more than the 2nd stipulated time of above-mentioned 1st stipulated time into Immediately, it is allowed to which above-mentioned engine is automatically stopped.
2. the auto-stopper of engine according to claim 1, it is characterised in that
Above-mentioned 2nd stipulated time is set as small by above-mentioned engine automatic stop portion when above-mentioned road gradient is less than setting In above-mentioned 1st stipulated time.
3. the auto-stopper of the engine according to claim 1 or claim 2, it is characterised in that
Prohibit when above-mentioned breakdown determination portion is determined as that above-mentioned road gradient test section breaks down in above-mentioned engine automatic stop portion Only above-mentioned engine is automatically stopped.
CN201710966590.7A 2016-10-26 2017-10-17 Automatic stop device for engine Active CN107989706B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-209743 2016-10-26
JP2016209743A JP6819215B2 (en) 2016-10-26 2016-10-26 Automatic engine stop device

Publications (2)

Publication Number Publication Date
CN107989706A true CN107989706A (en) 2018-05-04
CN107989706B CN107989706B (en) 2020-12-08

Family

ID=61866384

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710966590.7A Active CN107989706B (en) 2016-10-26 2017-10-17 Automatic stop device for engine

Country Status (4)

Country Link
JP (1) JP6819215B2 (en)
CN (1) CN107989706B (en)
DE (1) DE102017218735B4 (en)
FR (1) FR3057912B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7454469B2 (en) * 2020-08-18 2024-03-22 株式会社Subaru vehicle power system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010112217A (en) * 2008-11-05 2010-05-20 Mitsubishi Motors Corp Restart control device of engine
JP2010275923A (en) * 2009-05-28 2010-12-09 Denso Corp Electronic control device
JP2011122519A (en) * 2009-12-10 2011-06-23 Fujitsu Ten Ltd Engine automatic stop restart control device and method
CN102815303A (en) * 2011-06-09 2012-12-12 三菱自动车工业株式会社 Control apparatus for a vehicle
JP2012255383A (en) * 2011-06-09 2012-12-27 Mitsubishi Motors Corp Idle stop vehicle
CN103696859A (en) * 2012-09-28 2014-04-02 上海汽车集团股份有限公司 Control method and system for automatic stop of engine on ramp
CN103946595A (en) * 2011-11-21 2014-07-23 优迪卡汽车股份有限公司 Vehicle control device
CN105358808A (en) * 2013-07-08 2016-02-24 株式会社电装 Vehicle engine control device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6205688B2 (en) * 2011-09-16 2017-10-04 三菱自動車工業株式会社 Vehicle control device
JP5545459B2 (en) * 2012-02-27 2014-07-09 株式会社デンソー Engine automatic stop / start control device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010112217A (en) * 2008-11-05 2010-05-20 Mitsubishi Motors Corp Restart control device of engine
JP2010275923A (en) * 2009-05-28 2010-12-09 Denso Corp Electronic control device
JP2011122519A (en) * 2009-12-10 2011-06-23 Fujitsu Ten Ltd Engine automatic stop restart control device and method
CN102815303A (en) * 2011-06-09 2012-12-12 三菱自动车工业株式会社 Control apparatus for a vehicle
JP2012255383A (en) * 2011-06-09 2012-12-27 Mitsubishi Motors Corp Idle stop vehicle
CN103946595A (en) * 2011-11-21 2014-07-23 优迪卡汽车股份有限公司 Vehicle control device
CN103696859A (en) * 2012-09-28 2014-04-02 上海汽车集团股份有限公司 Control method and system for automatic stop of engine on ramp
CN105358808A (en) * 2013-07-08 2016-02-24 株式会社电装 Vehicle engine control device

Also Published As

Publication number Publication date
DE102017218735B4 (en) 2022-02-03
JP6819215B2 (en) 2021-01-27
FR3057912B1 (en) 2020-04-10
DE102017218735A1 (en) 2018-04-26
FR3057912A1 (en) 2018-04-27
CN107989706B (en) 2020-12-08
JP2018071390A (en) 2018-05-10

Similar Documents

Publication Publication Date Title
CN106004469B (en) Vehicle power source device
CN106394249B (en) Vehicle power-supply unit
CN104755309B (en) Method for controlling the electric system of hybrid vehicle
US8831830B2 (en) Vehicle controlling system
CN106541940B (en) A kind of power source and power source selection method for electric vehicle
GB2536559A (en) Apparatus and method to maximize vehicle functionality and fuel economy with improved drivability during engine auto stop-start operations
CN101516704A (en) Device and method for controlling electric power source for hybrid vehicle
JP6772738B2 (en) Control device
US10000123B2 (en) Hybrid vehicle
CN103057541A (en) Creep control device and method for hybrid vehicle
CN106864272A (en) The control device of electric vehicle
CN107054259A (en) Vehicle power source device
CN105392984A (en) Control device for an internal combustion engine, vehicle including the same and method for the same
CN101235781A (en) Engine pedestal control system possessing idle speed shutdown /start-up function
US20130297132A1 (en) Vehicle and control method for vehicle
CN107107764B (en) Method and device for charging an electrical energy storage system in a vehicle
CN107989705A (en) The auto-stopper of engine
CN109572699A (en) Hybrid vehicle and its shift control method and system
CN106976397B (en) Hybrid vehicle
CN108238036A (en) Hybrid vehicle
JP2012091770A (en) Method and device for protecting battery of hybrid vehicle
CN107989706A (en) The auto-stopper of engine
CN108238043A (en) Hybrid vehicle
JP6476936B2 (en) Drive control device
JP2004169578A (en) Engine controller

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant