CN109278749A - A kind of auto idle speed start-stop control system and control method - Google Patents
A kind of auto idle speed start-stop control system and control method Download PDFInfo
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- CN109278749A CN109278749A CN201810852695.4A CN201810852695A CN109278749A CN 109278749 A CN109278749 A CN 109278749A CN 201810852695 A CN201810852695 A CN 201810852695A CN 109278749 A CN109278749 A CN 109278749A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000007935 neutral effect Effects 0.000 claims abstract description 46
- 239000007858 starting material Substances 0.000 claims description 48
- 230000005611 electricity Effects 0.000 claims description 32
- 238000004378 air conditioning Methods 0.000 claims description 29
- 230000008450 motivation Effects 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000007726 management method Methods 0.000 description 81
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
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- 238000004458 analytical method Methods 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- 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
- B60W30/18018—Start-stop drive, e.g. in a traffic jam
-
- 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
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- 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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/14—Clutch 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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/16—Ratio selector position
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Embodiment of the present invention discloses a kind of auto idle speed start-stop control system and control method.It include: engine management system (EMS)；Idling start-stop switch, is separately connected with the startup power supply and EMS of automobile, for sending idling start-stop enable signal to EMS after being closed；Vehicle speed sensor is connect with EMS, sends automobile current vehicle speed for detecting automobile current vehicle speed, and to EMS；Neutral position sensor is connect with EMS, for sending neutral state prompt to EMS when gear is in neutral gear；Gas pedal jaw opening sensor, connect with startup power supply and EMS respectively, for sending gas pedal aperture to EMS；Wherein EMS, idling start-stop enable signal and neutral state prompt are received for working as, and automobile current vehicle speed generates the tail-off order for being used for closing automobile transmitter when being less than scheduled first gas pedal aperture threshold value lower than preset vehicle speed threshold value and gas pedal aperture.Stop vehicle under idling operation, lowers oil consumption and discharge, do not influence nominal situation also.
Description
Technical field
Embodiment of the present invention is related to automobile technical field, in particular to a kind of auto idle speed start-stop control system and control
Method.
Background technique
Have in national newest standards " term and definition of automobile and trailer type " (GB/T 3730.1-2001) to automobile
Such as give a definition: by power drive, the vehicle of the non-track carrying with 4 or 4 or more wheels is mainly used for: carrying personnel
And (or) cargo；Draw the vehicle of carrying personnel and (or) cargo；Specific use.Energy shortage, oil crisis and environmental pollution
It grows in intensity, brings tremendous influence to people's lives, be directly related to the sustainable development of national economy and society.The world is each
State is all in active development new energy technology.
The regulation of GB 18285-2005 according to national standards, idling operation refer to engine tick-over state.I.e. from
Clutch is in binding site, and speed changer, which is in neutral position, (should be at " STOP " or " P " shelves for the automobile of automatic transmission
Position)；Using the automobile of carburetor oil-supply system, choker is in fully open position；Accelerator pedal is in and is totally released position.Vehicle
Start engine in parked state, the minimum speed of engine stabilizer operating is known as parking idling, and (engine is by cold vehicle idling
State is known as warming up or hot vehicle to the process that the idling mode that engine reaches normal working temperature changes)；Vehicle gearing process
In, gas pedal is not unclamped in accelerator pedal or traveling, keeps the minimum aperture of air throttle, engine speed and stay at this time
The consistent state of vehicle idling, referred to as driving idling.
With environmental protection and the requirement of energy-saving consumption-reducing, the public demand to Vehicular intelligent in addition, it is contemplated that vehicle in city
How the actual conditions of frequent start-stop stop vehicle to realize the target for reducing oil consumption and discharge, simultaneously also under idling operation
The influence under nominal situation to vehicle safety, comfort is not influenced, is a technical problem to be resolved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of auto idle speed start-stop control system and control methods, in idling
Stop vehicle under operating condition to reduce the target of oil consumption and discharge, while not influencing normal effect of the nominal situation to vehicle.
The technical solution of embodiment of the present invention is as follows:
A kind of auto idle speed start-stop control system, comprising:
Engine management system；
Idling start-stop switch, is separately connected with the startup power supply of automobile and the engine management system, after being closed
Idling start-stop enable signal is sent to the engine management system；
Vehicle speed sensor is connect with the engine management system, is started for detecting automobile current vehicle speed, and to described
Machine management system sends the automobile current vehicle speed；
Neutral position sensor is connect with the engine management system, is used for when gear is in neutral gear to the hair
Motivation management system sends neutral state prompt；
Gas pedal jaw opening sensor is connect with the startup power supply and the engine management system respectively, for
The engine management system sends gas pedal aperture；
The wherein engine management system receives the idling start-stop enable signal and the neutral state for working as
Prompt, and the automobile current vehicle speed is less than scheduled first throttle lower than preset vehicle speed threshold value and the gas pedal aperture
When pedal opening threshold value, the tail-off order for being used for closing automobile transmitter is generated.
In one embodiment, the idling start-stop switch, when being also used to after closure be closed triggering again, issues point
Touch signal；
The auto idle speed start-stop control system further include:
Clutch pedal jaw opening sensor is connect with the startup power supply and the engine management system respectively, for
The engine management system sends clutch pedal aperture；
Startup power supply electrical quantity sensor is connect with the engine management system and the startup power supply respectively, is used for
Startup power supply electricity sends electricity pre-warning signal to the engine management system close to when being unsatisfactory for start-uping a car；
Air-conditioning switch is connect with the engine management system, for sending out after being closed to the engine management system
Send air-conditioning enable signal；
The wherein engine management system is also used to be greater than scheduled second gas pedal when the gas pedal aperture
Aperture threshold value, the clutch pedal aperture are greater than scheduled clutch pedal aperture threshold value, receive the point touching signal, connect
When receiving the electricity pre-warning signal or receiving the air-conditioning enable signal, generates and be based on the tail-off for starting
Order the engine start command of pent engine.
In one embodiment, the preset vehicle speed threshold value is 5 kilometers/hour.
In one embodiment, the automobile is manual automobile or automatic gearshift automobile.
In one embodiment, further includes:
First starter relay, for being attracted based on the engine start command；
Second starter relay, for being attracted based on the engine start command；
Starter, for being started after first starter relay and second starter relay are all attracted, and
The engine is started after activation.
A kind of auto idle speed on-off control method, the control method are suitable for auto idle speed start-stop control system, the vapour
Vehicle idling start-stop control system includes: engine management system；Idling start-stop switch；Vehicle speed sensor；Neutral position sensor；
Gas pedal jaw opening sensor；The control method includes:
Idling start-stop close the switch after to the engine management system send idling start-stop enable signal；
Vehicle speed sensor detects automobile current vehicle speed, and sends the automobile to the engine management system and work as front truck
Speed；When gear is in neutral gear, neutral position sensor sends neutral state prompt to the engine management system；Throttle is stepped on
Plate jaw opening sensor sends gas pedal aperture to the engine management system；
When the engine management system receives the idling start-stop enable signal and neutral state prompt, and institute
It states automobile current vehicle speed and is less than scheduled first gas pedal aperture lower than preset vehicle speed threshold value and the gas pedal aperture
When threshold value, the tail-off order for being used for closing automobile transmitter is generated.
In one embodiment, the auto idle speed start-stop control system further include: clutch pedal jaw opening sensor；It rises
Dynamic electric quantity of power supply sensor；Air-conditioning switch；The control method further include:
When idling start-stop switch is closed triggering again after closure, point touching signal is issued；Clutch pedal jaw opening sensor to
The engine management system sends clutch pedal aperture；Startup power supply electrical quantity sensor is in startup power supply electricity close to discontented
When foot is start-uped a car, electricity pre-warning signal is sent to the engine management system；Air-conditioning switch starts after being closed to described
Machine management system sends air-conditioning enable signal；
When the gas pedal aperture is big greater than scheduled second gas pedal aperture threshold value, the clutch pedal aperture
In scheduled clutch pedal aperture threshold value, the point touching signal is received, receives the electricity pre-warning signal or receive
When the air-conditioning enable signal, the engine management system, which is generated, to be closed for starting based on the tail-off order
Engine engine start command.
In one embodiment, preset vehicle speed threshold value is 5 kilometers/hour.
In one embodiment, the automobile is manual automobile or automatic gearshift automobile.
In one embodiment, the auto idle speed start-stop control system further include: the first starter relay；Second
Motor type relay；Starter；The control method includes:
The first starter relay and the second starter relay are attracted based on the engine start command；
The starter is started after first starter relay and second starter relay are all attracted；
The starter after activation, starts the engine.
It can be seen from the above technical proposal that the auto idle speed start-stop control system of embodiment of the present invention includes: to start
Machine management system；Idling start-stop switch, is separately connected with the startup power supply and engine management system of automobile, backward for being closed
Engine management system sends idling start-stop enable signal；Vehicle speed sensor is connect with engine management system, for detecting vapour
Vehicle current vehicle speed, and automobile current vehicle speed is sent to engine management system；Neutral position sensor, with engine management system
Connection, for sending neutral state prompt to engine management system when gear is in neutral gear；Gas pedal jaw opening sensor,
It is connect respectively with startup power supply and engine management system, for sending gas pedal aperture to engine management system；Wherein
Engine management system receives idling start-stop enable signal and neutral state prompt for working as, and automobile current vehicle speed is lower than
When preset vehicle speed threshold value and gas pedal aperture are less than scheduled first gas pedal aperture threshold value, generate for closing vapour
The tail-off order of vehicle transmitter.It can be seen that embodiment of the present invention realizes auto extinguishing under idling operation, utilize
The actual conditions of the frequent start-stop of vehicle in city are realized by stopping vehicle under idling operation and lower oil consumption and reduce discharge
Target.
Moreover, embodiment of the present invention can also realize the automatic starting after idling flameout, do not influence under nominal situation also
Influence to vehicle safety, comfort.
Detailed description of the invention
Only illustratively description and explain the present invention for the following drawings, not delimit the scope of the invention.
Fig. 1 is the exemplary functionality module map of auto idle speed start-stop control system of the present invention.
Fig. 2 is the exemplary circuit diagram of auto idle speed start-stop control system of the present invention.
Fig. 3 is the flow chart of the control method of auto idle speed start-stop control system of the present invention.
Specific embodiment
In order to which the technical features, objects and effects of invention are more clearly understood, the Detailed description of the invention present invention is now compareed
Specific embodiment, identical label indicates identical part in the various figures.
It is succinct and intuitive in order to what is described, hereafter by describing several representative embodiments come to side of the invention
Case is illustrated.A large amount of details is only used for helping to understand the solution of the present invention in embodiment.However, it will be apparent that of the invention
Technical solution can be not limited to these details when realizing.In order to avoid unnecessarily having obscured the solution of the present invention, Yi Xieshi
It applies mode not described meticulously, but only gives frame.Hereinafter, " comprising " refers to " including but not limited to ", " root
According to ... " refer to " according at least to ..., but be not limited to according only to ... ".Due to the speech habits of Chinese, hereinafter without spy
When not pointing out the quantity of an ingredient, it is meant that the ingredient is either one or more, or can be regarded as at least one.
In embodiments of the present invention, auto extinguishing under idling operation may be implemented, but also the automatic extinguishing may be implemented
Automatic starting after fire.
Wherein, realize that auto extinguishing includes: when vehicle enters under idling mode under idling operation, idling start-stop switch is in
When closed state, engine management system self-test judges whether current state meets the condition of auto extinguishing, and conditional is main
Include:
(1), current vehicle speed has already decreased to limit value (for example, initially setting 5km/h) below；
(2), gas pedal is totally released；
(3), gear is placed in neutral state；
Judge above-mentioned condition all obtain meet when, then realize and stop working after vehicle idling.
Moreover, after vehicle enters flameout state, any one following trigger condition is obtained for the automatic starting after stopping working
Meet, then the starting after stopping working can be achieved.Wherein, trigger condition includes:
(1), let slip the clutch starting or pedal starting of stepping on the throttle；
(2), point touching idling start-stop switch starting；
(3), current electricity is passed to engine management system already close to the signal for being unsatisfactory for starting by electrical quantity sensor,
After judgement, vehicle can start engine management system automatically；
(4), intelligent idling start-stop system receives request of the air-conditioning system to engine start, then restarts.
Fig. 1 is the exemplary functionality module map of auto idle speed start-stop control system of the present invention.
As shown in Figure 1, auto idle speed start-stop control system includes:
Engine management system (Engine Management System, EMS) 20；
Idling start-stop switch 11 is separately connected, for being closed with the startup power supply 10 and engine management system 20 of automobile
Idling start-stop enable signal is sent to engine management system 20 afterwards；
Vehicle speed sensor 12 is connect with engine management system 20, for detecting automobile current vehicle speed, and to engine tube
Reason system 20 sends automobile current vehicle speed；
Neutral position sensor 13 is connect with engine management system 20, is used for when gear is in neutral gear to engine
Management system 20 sends neutral state prompt；
Gas pedal jaw opening sensor 14 is connect with startup power supply 10 and engine management system 20 respectively, is used for hair
Motivation management system 20 sends gas pedal aperture；
Wherein engine management system 20 receive idling start-stop enable signal and neutral state prompt for working as, and vapour
Vehicle current vehicle speed is less than scheduled first throttle lower than preset vehicle speed threshold value (for example, 5 kilometers/hour) and gas pedal aperture
When pedal opening threshold value (for example, the first gas pedal aperture threshold value is 0%), the hair for being used for closing automobile transmitter is generated
Motivation shutdown command.Moreover, various execution structures, which can use tail-off order, closes engine.
In one embodiment, idling start-stop switch 11 when being also used to after closure be closed triggering again, issues point touching
Signal；The system further include:
Clutch pedal jaw opening sensor 15 is connect with startup power supply 10 and engine management system 20 respectively, is used for hair
Motivation management system 20 sends clutch pedal aperture；
Startup power supply electrical quantity sensor 16 is connect with engine management system 20 and startup power supply 10 respectively, for rising
Dynamic 10 electricity of power supply sends electricity pre-warning signal to engine management system 20 close to when being unsatisfactory for start-uping a car；
Air-conditioning switch 17 is connect with engine management system 20, for sending after being closed to engine management system 20
Air-conditioning enable signal；
Wherein engine management system 20 are also used to be greater than scheduled second gas pedal aperture door when gas pedal aperture
Limit value, clutch pedal aperture be greater than scheduled clutch pedal aperture threshold value, receive the point touching signal, to receive electricity pre-
When warning signal or receiving air-conditioning enable signal, generate for starting the hair based on the pent engine of tail-off order
Engine start order.Wherein, point touching signal is after idling start-stop switch 11 has been closed, and idling start-stop switch 11 is again by user
Generated signal when closure triggering.
Engine management system 20 can use various sensors, engine inhaled air volume, cooling water temperature, start
The situations such as machine revolving speed and acceleration and deceleration are converted into electric signal, are sent into controller.Controller by these information compared with storing information, essence
Output control signal after really calculating.Engine management system 20 not only can accurately control fuel supply volume, traditional to replace
Carburetor, and can control ignition advance angle and idling air mass flow etc., improve engine performance.
Herein, after idling start-stop switch 11 is closed, if user continues to issue closure idling start-stop switch 11
When trigger command (i.e. closing point touching operation), then idling start-stop switch 11 issues point touching signal.
When engine management system 20 generates the tail-off order for closing automobile transmitter, and engine base
Starting after the tail-off order is closed, when meeting following any situation, after idling flameout may be implemented.
(1), idling start-stop switch 11 is after being closed, if the closing point touching for continuing to receive user's sending operates,
Idling start-stop switch 11 issues point touching signal and generates after engine management system 20 receives a touching signal for starting based on hair
The engine start command of the pent engine of motivation shutdown command, to realize the starting after idling flameout.
(2), clutch pedal jaw opening sensor 15 continues to send clutch pedal aperture to engine management system 20.When starting
Machine management system 20 receives clutch pedal aperture and determines that clutch pedal aperture is greater than scheduled clutch pedal aperture threshold value, raw
At for starting the engine start command based on the pent engine of tail-off order, to realize idling flameout
Starting afterwards.
(3), gas pedal jaw opening sensor 14 continues to send gas pedal aperture to engine management system 20.When starting
Machine management system 20 receives gas pedal aperture and determines that gas pedal aperture is greater than scheduled second gas pedal aperture thresholding
Value (for example, the first gas pedal aperture threshold value is 5%), generates and is based on the pent hair of tail-off order for starting
The engine start command of motivation, to realize the starting after idling flameout.
(4), startup power supply electrical quantity sensor 16 is in the electricity for detecting startup power supply 10 close to being unsatisfactory for start-uping a car
When, electricity pre-warning signal is sent to engine management system 20.It is raw after engine management system 20 receives electricity pre-warning signal
At for starting the engine start command based on the pent engine of tail-off order, to realize idling flameout
Starting afterwards.Wherein it is possible to by setting interval range to determine whether to meet the electricity of startup power supply 10 close to being unsatisfactory for
It start-ups a car.Such as, it is assumed that the minimum electricity that startup power supply 10 is start-uped a car is 10%；It can be set close to being unsatisfactory for starting
The interval range of automobile is [15%, 25%], when the electricity of startup power supply 10 is in the interval range, is then assert close to not
Satisfaction is start-uped a car.Herein, it is unsatisfactory for the lower limit for the interval range start-uped a car, it should start-up a car greater than startup power supply 10
Minimum electricity.
As it can be seen that embodiment of the present invention can prevent startup power supply electricity mistake by detecting to startup power supply electricity
It is low and engine can not be started again, so that can use engine by starting engine in time supplements electricity to startup power supply
Power.
(5), air-conditioning enable signal is sent to engine management system 20 after air-conditioning switch 17 is closed, works as engine management
System 20 receives air-conditioning enable signal, generates and rises for starting the engine based on the pent engine of tail-off order
Dynamic order, to realize the starting after idling flameout.
As it can be seen that embodiment of the present invention is detected by the state to air-conditioning switch 17, it is ensured that start hair in time
Motivation is to meet air conditioning requirements.
Preferably, the system further include: the first starter relay, for being attracted based on engine start command；Second
Starter relay, for being attracted based on engine start command；Starter, for being started when the first starter relay and second
Relay starts after being all attracted, and starts engine after activation.
In one embodiment, automobile is manual automobile or automatic gearshift automobile.
Fig. 2 is the exemplary circuit diagram of auto idle speed start-stop control system of the present invention.In Fig. 2, auto idle speed start-stop control
System processed includes: EMS；Idling start-stop switch, is separately connected with the startup power supply (BATT) and EMS of automobile, backward for being closed
EMS sends idling start-stop enable signal；Vehicle speed sensor is connect with EMS, is sent for detecting automobile current vehicle speed, and to EMS
Automobile current vehicle speed；Neutral position sensor is connect with EMS, is mentioned for sending neutral state to EMS when gear is in neutral gear
Show；Accelerator open degree sensor is connect with startup power supply and EMS respectively, for sending gas pedal aperture to EMS；Wherein EMS,
Idling start-stop enable signal and neutral state prompt are received for working as, and automobile current vehicle speed is lower than preset vehicle speed threshold value
(for example, 5 kilometers/hour) and gas pedal aperture are less than scheduled first gas pedal aperture threshold value (for example, the first throttle
When pedal opening threshold value is 0%), the tail-off order for being used for closing automobile transmitter is generated.Engine response is in this
Tail-off order is closed.
Moreover, the system further include: clutch pedal jaw opening sensor is connect with startup power supply and EMS respectively, for
EMS sends clutch pedal aperture；Startup power supply electrical quantity sensor, connect with EMS and startup power supply respectively, in startup power supply
Electricity sends electricity pre-warning signal to EMS close to when being unsatisfactory for start-uping a car；Air-conditioning switch is connect with EMS, for being closed
Air-conditioning enable signal is sent to EMS after conjunction；Wherein EMS is also used to be greater than scheduled second gas pedal when gas pedal aperture
Aperture threshold value, clutch pedal aperture are greater than scheduled clutch pedal aperture threshold value, receive a touching signal, receive electricity
Pre-warning signal or when receiving air-conditioning enable signal, generates for starting based on the pent engine of tail-off order
Engine start command.
In Fig. 2, according to trigger condition, all sensor signals concerning starting being collected into are carried out analysis and sentenced by EMS
Disconnected, determination will realize the start-up function after stopping working, and specific movement is as follows: EMS exports high level, by the coil of starter relay 1
Control terminal drags down, and realizes the actuation of starter relay 1, and 30 foot of power end and 87 feet are connected；Neutral position sensor, deep layer simultaneously
Clutch will trigger information and pass to EMS module, and EMS controls the coil-end of starter relay 2, and its level is dragged down, and realize
The actuation of starter relay 2,30 foot of power end and 87 feet are connected；To realize electric current by starter relay 1 by starting relay
Device 2 flows into the excitation end of starter, and the magnet exciting coil of starter generates magnetic flux, connects the working power of starter, thus real
The normal starting of existing starter.After starter starts, engine operating is driven, realizes the requirement for starting engine.Start relay
The voltage signal of high level is fed back to EMS, judges whether above-mentioned movement is complete by EMS by device 2 after 30 foot of power end and 87 are connected
At.
Based on above-mentioned analysis, embodiment of the present invention also proposed a kind of auto idle speed on-off control method.The controlling party
Method is suitable for auto idle speed start-stop control system, and auto idle speed start-stop control system includes: engine management system；Idling start-stop
Switch；Vehicle speed sensor；Neutral position sensor；Gas pedal jaw opening sensor, respectively with startup power supply and engine management
System connection, for sending gas pedal aperture to engine management system.
Fig. 3 is the flow chart of the control method of auto idle speed start-stop control system of the present invention.
As shown in figure 3, this method comprises:
Step 301: idling start-stop close the switch after to engine management system send idling start-stop enable signal.
Step 302: vehicle speed sensor detects automobile current vehicle speed, and sends automobile to engine management system and work as front truck
Speed；When gear is in neutral gear, neutral position sensor sends neutral state prompt to engine management system；Gas pedal is opened
It spends sensor and sends gas pedal aperture to engine management system.
Step 303: when engine management system receives idling start-stop enable signal and neutral state prompt, and automobile is worked as
When preceding speed is less than scheduled first gas pedal aperture threshold value lower than preset vehicle speed threshold value and the gas pedal aperture,
Generate the tail-off order for being used for closing automobile transmitter.
In one embodiment, auto idle speed start-stop control system further include: clutch pedal jaw opening sensor；Start electricity
Source electrical quantity sensor；Air-conditioning switch；The control method further include:
Step 304: when idling start-stop switch is closed triggering again after closure, issuing point touching signal；Clutch pedal aperture
Sensor sends clutch pedal aperture to the engine management system；Startup power supply electrical quantity sensor connects in startup power supply electricity
It is bordering on when being unsatisfactory for start-uping a car, sends electricity pre-warning signal to the engine management system；Air-conditioning switch is closed backward
The engine management system sends air-conditioning enable signal.
Step 305: when gas pedal aperture is greater than scheduled second gas pedal aperture threshold value, the clutch pedal is opened
Degree is greater than scheduled clutch pedal aperture threshold value, receives the point touching signal, receives the electricity pre-warning signal or connect
When receiving the air-conditioning enable signal, the engine management system, which is generated, is based on the tail-off order quilt for starting
The engine start command of the engine of closing.
In one embodiment, preset vehicle speed threshold value is 5 kilometers/hour.Preferably, automobile be manual automobile or
Automatic gearshift automobile.
In one embodiment, auto idle speed start-stop control system further include: the first starter relay；Second start after
Electric appliance；Starter；The control method includes: to be attracted the first starter relay and second based on the engine start command to start
Relay；The starter is started after first starter relay and second starter relay are all attracted；It is described
Starter after activation, starts the engine.
In conclusion embodiment of the present invention includes: EMS；Idling start-stop switch, startup power supply and EMS point with automobile
It does not connect, for sending idling start-stop enable signal to EMS after being closed；Vehicle speed sensor is connect with EMS, for detecting automobile
Current vehicle speed, and automobile current vehicle speed is sent to EMS；Neutral position sensor is connect with EMS, for being in neutral gear when gear
When to EMS send neutral state prompt；Gas pedal jaw opening sensor, connect with startup power supply and EMS respectively, is used for EMS
Send gas pedal aperture；Wherein EMS receives idling start-stop enable signal and neutral state prompt for working as, and automobile is worked as
When preceding speed is less than scheduled first gas pedal aperture threshold value lower than preset vehicle speed threshold value and gas pedal aperture, generate
Tail-off order for closing automobile transmitter.Stop vehicle under idling operation, lowers oil consumption and discharge, do not influence also
Nominal situation.
It should be noted that step and module not all in above-mentioned each process and each structure chart be all it is necessary, can
To ignore certain steps or module according to the actual needs.Each step execution sequence be not it is fixed, can according to need into
Row adjustment.The division of each module is intended merely to facilitate the division functionally that description uses, and in actual implementation, a module can
It is realized with point by multiple modules, the function of multiple modules can also be realized by the same module, these modules can be located at same
In a equipment, it can also be located in different equipment.
Hardware module in each embodiment mechanically or can be realized electronically.For example, a hardware module
It may include that the permanent circuit specially designed or logical device (such as application specific processor, such as FPGA or ASIC) are specific for completing
Operation.Hardware module also may include programmable logic device or circuit by software provisional configuration (as included general procedure
Device or other programmable processors) for executing specific operation.Mechanical system is used as specific, or using dedicated permanent
Property circuit, or hardware module is realized using the circuit (such as being configured by software) of provisional configuration, can according to cost and
Temporal consideration is to determine.
The present invention also provides a kind of machine readable storage medium, storage is for making a machine execute side as described herein
The instruction of method.Specifically, system or device equipped with storage medium can be provided, store in realization on the storage medium
State the software program code of the function of any embodiment in embodiment, and make the system or device computer (or CPU or
MPU the program code being stored in a storage medium) is read and executed.Further, it is also possible to be made by the instruction based on program code
Operating system of hands- operation etc. is calculated to complete partly or completely practical operation.It can also will read from storage medium
The expansion being connected to a computer is write in memory set in the expansion board in insertion computer or write to program code
In the memory being arranged in exhibition unit, then the instruction based on program code makes to be mounted on expansion board or expanding element
CPU etc. comes execution part and whole practical operations, to realize the function of any embodiment in above embodiment.
Storage medium embodiment for providing program code include floppy disk, hard disk, magneto-optic disk, CD (such as CD-ROM,
CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), tape, non-volatile memory card and ROM.Selectively,
It can be by communication network from download program code on server computer or cloud.
The above, better embodiment only of the invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Detailed displaying and explanation carried out to the present invention above by attached drawing and preferred embodiment, however the present invention is not limited to
These embodiments having revealed that, base could be aware that with above-mentioned multiple embodiment those skilled in the art, can combine above-mentioned difference
Code audit means in embodiment obtain the more embodiments of the present invention, these embodiments also protection scope of the present invention it
It is interior.
Herein, " schematic " expression " serving as examplea, instances, or illustrations " should not will be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to technical solution that is a kind of preferred or more having advantages.To make simplified form,
Part related to the present invention is only schematically shown in each figure, and does not represent its practical structures as product.Separately
Outside, so that simplified form is easy to understand, with the component of identical structure or function in some figures, it is only symbolically depicted
In one, or only marked one of those.Herein, "one" is not offered as limiting the quantity of relevant portion of the present invention
It is made as " only this ", and "one" situation for not indicating to exclude the quantity " more than one " of relevant portion of the present invention.At this
Wen Zhong, "upper", "lower", "front", "rear", "left", "right", "inner", "outside" etc. are only used for indicating the opposite position between relevant portion
Set relationship, and the absolute position of these non-limiting relevant portions.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope that is bright, and being not intended to limit the invention, it is all without departing from equivalent embodiments made by technical spirit of the present invention or
Change, such as the combination, segmentation or repetition of feature, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of auto idle speed start-stop control system characterized by comprising
Engine management system；
Idling start-stop switch, is separately connected with the startup power supply of automobile and the engine management system, to institute after being used to be closed
It states engine management system and sends idling start-stop enable signal；
Vehicle speed sensor is connect with the engine management system, for detecting automobile current vehicle speed, and to the engine tube
Reason system sends the automobile current vehicle speed；
Neutral position sensor is connect with the engine management system, is used for when gear is in neutral gear to the engine
Management system sends neutral state prompt；
Gas pedal jaw opening sensor is connect with the startup power supply and the engine management system respectively, is used for described
Engine management system sends gas pedal aperture；
The wherein engine management system, for when receiving the idling start-stop enable signal and the neutral state mentions
Show, and the automobile current vehicle speed is less than scheduled first throttle lower than preset vehicle speed threshold value and the gas pedal aperture and steps on
When plate aperture threshold value, the tail-off order for being used for closing automobile transmitter is generated.
2. auto idle speed start-stop control system according to claim 1, which is characterized in that
The idling start-stop switch when being also used to after closure be closed triggering again, issues point touching signal；
The auto idle speed start-stop control system further include:
Clutch pedal jaw opening sensor is connect with the startup power supply and the engine management system respectively, is used for described
Engine management system sends clutch pedal aperture；
Startup power supply electrical quantity sensor is connect with the engine management system and the startup power supply respectively, for starting
Electric quantity of power supply sends electricity pre-warning signal to the engine management system close to when being unsatisfactory for start-uping a car；
Air-conditioning switch is connect with the engine management system, empty for sending after being closed to the engine management system
Adjust enable signal；
The wherein engine management system is also used to be greater than scheduled second gas pedal aperture when the gas pedal aperture
Threshold value, the clutch pedal aperture are greater than scheduled clutch pedal aperture threshold value, receive the point touching signal, receive
The electricity pre-warning signal or when receiving the air-conditioning enable signal, generates and is based on the tail-off order for starting
The engine start command of pent engine.
3. auto idle speed start-stop control system according to claim 1, which is characterized in that the preset vehicle speed threshold value is
5 kilometers/hour.
4. auto idle speed start-stop control system according to claim 1, which is characterized in that the automobile is manual automobile
Or automatic gearshift automobile.
5. auto idle speed start-stop control system according to claim 3, which is characterized in that further include:
First starter relay, for being attracted based on the engine start command；
Second starter relay, for being attracted based on the engine start command；
Starter for starting after first starter relay and second starter relay are all attracted, and is rising
The engine is started after dynamic.
6. a kind of auto idle speed on-off control method, which is characterized in that the control method is suitable for auto idle speed start-stop control system
System, the auto idle speed start-stop control system includes: engine management system；Idling start-stop switch；Vehicle speed sensor；Neutral position
Set sensor；Gas pedal jaw opening sensor；The control method includes:
Idling start-stop close the switch after to the engine management system send idling start-stop enable signal；
Vehicle speed sensor detects automobile current vehicle speed, and sends the automobile current vehicle speed to the engine management system；When
When gear is in neutral gear, neutral position sensor sends neutral state prompt to the engine management system；Gas pedal is opened
It spends sensor and sends gas pedal aperture to the engine management system；
When the engine management system receives the idling start-stop enable signal and neutral state prompt, and the vapour
Vehicle current vehicle speed is less than scheduled first gas pedal aperture thresholding lower than preset vehicle speed threshold value and the gas pedal aperture
When value, the tail-off order for being used for closing automobile transmitter is generated.
7. auto idle speed on-off control method according to claim 6, which is characterized in that the auto idle speed start-stop control
System further include: clutch pedal jaw opening sensor；Startup power supply electrical quantity sensor；Air-conditioning switch；The control method further include:
When idling start-stop switch is closed triggering again after closure, point touching signal is issued；Clutch pedal jaw opening sensor is to described
Engine management system sends clutch pedal aperture；Startup power supply electrical quantity sensor is in startup power supply electricity close to being unsatisfactory for
When electrical automobile, electricity pre-warning signal is sent to the engine management system；Air-conditioning switch be closed after to the engine tube
Reason system sends air-conditioning enable signal；
When the gas pedal aperture is greater than scheduled second gas pedal aperture threshold value, the clutch pedal aperture is greater than in advance
Fixed clutch pedal aperture threshold value receives the point touching signal, receives the electricity pre-warning signal or receive described
When air-conditioning enable signal, the engine management system, which is generated, is based on the pent hair of tail-off order for starting
The engine start command of motivation.
8. auto idle speed on-off control method according to claim 6, which is characterized in that the preset vehicle speed threshold value is
5 kilometers/hour.
9. auto idle speed on-off control method according to claim 6, which is characterized in that the automobile is manual automobile
Or automatic gearshift automobile.
10. auto idle speed on-off control method according to claim 7, which is characterized in that the auto idle speed start-stop control
System processed further include: the first starter relay；Second starter relay；Starter；The control method includes:
The first starter relay and the second starter relay are attracted based on the engine start command；
The starter is started after first starter relay and second starter relay are all attracted；
The starter after activation, starts the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810852695.4A CN109278749A (en) | 2018-07-30 | 2018-07-30 | A kind of auto idle speed start-stop control system and control method |
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|---|---|---|---|
| CN201810852695.4A CN109278749A (en) | 2018-07-30 | 2018-07-30 | A kind of auto idle speed start-stop control system and control method |
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