CN109973274A - A kind of engine start-up and shut-down control method, apparatus, system and automobile - Google Patents
A kind of engine start-up and shut-down control method, apparatus, system and automobile Download PDFInfo
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- CN109973274A CN109973274A CN201910230150.4A CN201910230150A CN109973274A CN 109973274 A CN109973274 A CN 109973274A CN 201910230150 A CN201910230150 A CN 201910230150A CN 109973274 A CN109973274 A CN 109973274A
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- vehicle
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Classifications
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- 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
-
- 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
- F02N2200/122—Atmospheric temperature
-
- 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
- F02N2200/125—Information about other vehicles, traffic lights or traffic congestion
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- 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
Abstract
The purpose of the present invention is to provide a kind of engine start-up and shut-down control method, apparatus, system and automobiles, to solve the problems, such as that engine automatic start-stop function in the prior art cannot carry out start-up and shut-down control to engine according to the actual conditions of environment where vehicle.The engine start-up and shut-down control method, comprising: when engine start and stop function is opened, obtain the operating parameter of vehicle；Judge whether the operating parameter meets pre-set engine stop condition；If satisfied, being then presently in the environmental parameter of position according to vehicle, start-up and shut-down control is carried out to the engine of vehicle.
Description
Technical field
The present invention relates to automotive engine control field, specifically a kind of engine start-up and shut-down control method, apparatus, system and
Automobile.
Background technique
Vehicle start and stop function is one of the common function configured in automotive system, and vehicle start and stop function refers to: having start and stop
The vehicle of function when meeting preset halt condition (such as vehicle brake is stopped, and vehicle is without engine demand), control engine is automatic
It is flame-out, to save fuel consumption；When detecting driving intention or other engine demands, it is quick that starter drags engine
Starting, engine intervene work.
The function of vehicle motor start and stop at present halt condition is judged it is too simple, usually when vehicle brake stop with regard to control stop
Machine be easy to cause frequent start-stop when not needing start and stop the considerations of lacking to road driving road conditions and environment, needs not having again when start and stop
The problem of having starting start and stop function, causing fuel consumption to increase instead, such as when signal lamp will switch to green light by red light, vehicle
Parking enter shutdown status, when then turning green light again start to start at once.There is test data to show the combustion of one-shot loss
Oil is equivalent to gasoline engine and causes idling 5 seconds, and diesel motor idling 20 seconds, therefore waited in the red light lower than this time
When, it more can fuel-efficient, reduction pollutant emission without using start and stop function；In the slow stifled section that loiters, engine frequent start-stop is given
Driver user causes bad driving experience；In hot weather, after engine is shut down, air-conditioning, which cannot freeze, causes user experience not
It is good；Certain customers are even long-term to close engine start and stop function.
The core for the above problem occur is the time of the current unpredictable vehicle parking of engine automatic start-stop function
With perception environmental information.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide a kind of engine start-up and shut-down control method, apparatus, system and automobile
Engine automatic start-stop function in technology cannot carry out start-up and shut-down control to engine according to the actual conditions of environment where vehicle
The problem of.
The technical solution of the present invention is as follows:
The present invention provides a kind of engine start-up and shut-down control methods, comprising:
When engine start and stop function is opened, the operating parameter of vehicle is obtained；
Judge whether the operating parameter meets pre-set engine stop condition；
If satisfied, being then presently in the environmental parameter of position according to vehicle, start-up and shut-down control is carried out to the engine of vehicle.
Preferably, it is presently in the environmental parameter of position according to vehicle, the step of start-up and shut-down control is carried out to the engine of vehicle
Suddenly include:
Obtain the weather temperature that vehicle is presently in position；
Judge the weather temperature whether be located at that user is customized or pre-stored preset temperature range in；
If being not located at, the engine for controlling vehicle keeps starting state.
Preferably, the weather temperature be located at that user is customized or pre-stored preset temperature range in when, root
The step of being presently in the environmental parameter of position according to vehicle, start-up and shut-down control carried out to the engine of vehicle further include:
Obtain the traffic lights information that vehicle is presently in position corresponding road section；
Judge that vehicle is presently in whether position is traffic light intersection according to the traffic lights information；
If being then presently in the location information of position according to vehicle, determine vehicle in the target travel of the traffic light intersection
Direction；
Waiting needed for determining vehicle at the traffic light intersection along target travel direction running according to the traffic lights information
Time；
Judge whether the waiting time is lower than pre-stored preset time；
If being lower than, the engine for controlling vehicle keeps starting state；
Conversely, the engine for then controlling vehicle is shut down；
Wherein, the amount of fuel that the duration of preset time should make engine consume within a preset time be equal to or more than engine into
Amount of fuel consumed by start-stop of row.
Preferably, when it is traffic light intersection that vehicle, which is presently in position not, the environment of position is presently according to vehicle
Parameter, the step of start-up and shut-down control is carried out to the engine of vehicle further include:
It obtains vehicle and is presently in the corresponding road section congestion information in position；
Judge that vehicle is presently in whether position is congested link according to the congestion in road road section information；
If not the engine for then controlling vehicle keeps starting state；
Conversely, then judging whether the congestion index of the congested link is more than to preset according to the road section congestion information
Default congestion index；
If being more than, the engine for controlling vehicle is shut down；
Conversely, the engine for then controlling vehicle keeps starting state.
Preferably, the method also includes:
After the engine of vehicle is shut down, if collecting the desired signal for promoting the engine start of vehicle, engine is controlled
Starting state is switched to by shutdown status；
The desired signal includes: that the signal that brake pedal is released and the signal that gas pedal is trampled, gear are switched
Signal, one of signal in the signal that steering wheel is rotated.
According to another aspect of the present invention, the present invention also provides a kind of engine start-up and shut-down control devices, comprising:
Acquisition device, for obtaining the operating parameter of vehicle when engine start and stop function is opened；
Judgment means, for judging whether the operating parameter meets pre-set engine stop condition；
Control device, for opening the engine of vehicle if satisfied, be then presently in the environmental parameter of position according to vehicle
Stop controlling.
Preferably, the first control module includes:
First acquisition unit, the weather temperature for being presently in position for obtaining vehicle；
First judging unit, for judging whether the temperature is higher than that user is customized or pre-stored preset temperature；
First control unit, if the engine for controlling vehicle keeps starting state for being higher than.
Preferably, when the temperature is customized lower than user or pre-stored preset temperature, the first control module
Further include:
Second acquisition unit, the traffic lights information for being presently in position corresponding road section for obtaining vehicle；
Second judgment unit, for judging that vehicle is presently in whether position is traffic light intersection according to the traffic lights information；
First determination unit, for if being then presently in the location information of position according to vehicle, determine vehicle described red green
The target travel direction at lamp crossing；
Second determination unit, for determining vehicle at the traffic light intersection along target travel side according to the traffic lights information
The red light waiting time needed for traveling；
Third judging unit, for judging whether the red light waiting time is lower than pre-stored preset time；
Third control unit, if the engine for controlling vehicle keeps starting state for being lower than；
4th control unit, for conversely, the engine for then controlling vehicle is shut down；
Wherein, the amount of fuel that the duration of preset time should make engine consume within a preset time be equal to or more than engine into
Amount of fuel consumed by start-stop of row.
Preferably, when it is traffic light intersection that vehicle, which is presently in position not, the first control module further include:
Third acquiring unit is presently in the corresponding road section congestion information in position for obtaining vehicle；
4th judging unit, for judging that vehicle is presently in whether position is congestion road according to the congestion in road road section information
Section；
5th control unit, if not for the engine for then controlling vehicle to keep starting state；
5th judging unit, for conversely, then judging that the congestion of the congested link refers to according to the road section congestion information
Whether number is more than pre-set default congestion index；
5th control unit, if the engine for controlling vehicle is shut down for being more than；
6th control unit, for conversely, the engine for then controlling vehicle keeps starting state.
Preferably, described device further include:
Second control module, for the engine of vehicle shutdown after, if collecting the demand for promoting the engine start of vehicle
Signal then controls engine by shutdown status and switches to starting state；
The desired signal includes: that the signal that brake pedal is released and the signal that gas pedal is trampled, gear are switched
Signal, one of signal in the signal that steering wheel is rotated.
According to another aspect of the present invention, the present invention also provides a kind of engine start-stop control systems, comprising:
Intelligent network controller；
It is mounted on the roadside device of trackside, the roadside device and the intelligent network controller wirelessly communicate；
Cloud server, the cloud server and the intelligent network controller mobile data communication；
The roadside device and the cloud server, which are used to provide vehicle to the intelligent network controller, is presently in position
Environmental parameter；The intelligent network controller is used to obtain the operating parameter of vehicle when engine start and stop function is opened；Sentence
Whether the operating parameter of breaking meets pre-set engine stop condition；If satisfied, then current according to the vehicle got
The environmental parameter of present position carries out start-up and shut-down control to the engine of vehicle.
According to another aspect of the present invention, the present invention also provides a kind of automobiles, including above-mentioned engine start-up and shut-down control
Device.
The invention has the benefit that
Combine the operating parameter of vehicle itself and the environmental parameter of vehicle position, with support vehicles safe driving with
And minimum fuel consumption is target, reasonably devises the strategy of engine start or shutdown, is improving the user experience
On the basis of, reduce fuel consumption.Join technological prediction engine down time by intelligent network, makes engine start-up and shut-down control
It is more accurate, to reach better economic benefit and environmental benefit.Specifically, the above-mentioned method of the present embodiment, Ke Yida
To following effect:
1) engine start and stop, are controlled according to actual road conditions, promote the effect of engine start and stop function, reaches higher fuel oil and saves
And environmental benefit.
2) unnecessary frequent start-stop when slow congestion, is reduced, user's driving experience is promoted.
3) shutdown of hot weather engine, is avoided to cause air-conditioning that cannot freeze the problem for causing user experience bad.
Detailed description of the invention
Fig. 1 is one of the flow chart of method in the embodiment of the present invention；
Fig. 2 is the specific flow chart of the method in the embodiment of the present invention；
Fig. 3 is the structural block diagram of the device in the embodiment of the present invention；
Fig. 4 is the structural block diagram of the intelligent network controller in the embodiment of the present invention.
Specific embodiment
The present invention provides a kind of engine start-up and shut-down control methods, and this method is by interior intelligent network controller come real
Existing, which is powered by the 12V battery on vehicle, and the intelligent network controller is connected by rigid line
The physical button being arranged on Vehicular instrument panel, the physical button are used to send high level signal or low to intelligent network controller
Level signal makes intelligent network controller enter or exit engine start and stop automatic control state.Specifically, such as Fig. 4, intelligence
Net controller includes that high-precision locating module 501, intelligent network gang mould block 503, human-computer interaction HMI module 502 and engine open
Stop control module 504.Human-computer interaction HMI module 502 is the setting interaction for responding user to vehicle start-up and shut-down control, such as function
Closing and starting, the setting of temperature threshold values etc..
As shown in Figure 1, specifically, the above method in the present embodiment includes:
Step 101, when engine start and stop function is opened, the operating parameter of vehicle is obtained.
The above method in the present embodiment, being could be to hair under the premise of user's manually opened engine start and stop function
The start and stop of motivation carry out automatically controlling.Specifically, can be by installing physical button on the instrument board of vehicle, user passes through
Operation is opened and closed to physical button.For physical button when being turned on, physical button sends high level to intelligent network controller
Enable signal makes intelligent network controller enter engine start-up and shut-down control state；Conversely, when physical button is closed, entity
Key sends low level electric signal to intelligent network controller, and intelligent network controller is made to release engine start-up and shut-down control state.
After engine start and stop function is turned on, intelligent network controller obtains the operating parameter of vehicle itself, the operation
Parameter specifically includes that the brake pedal aperture of vehicle and the currently practical speed of vehicle.The vehicle-mounted intelligence of the intelligent network controller
Energy net gang mould block 503 connects vehicle by CAN bus or LIN bus, and intelligent network gang mould block 503 is main module, can be real-time
Read the trip informations such as speed, brake pedal, gear, the outside temperature of vehicle.
Step 102, judge whether the operating parameter meets pre-set engine stop condition.
The step particular content is to judge whether vehicle is according to the brake pedal aperture of vehicle and currently practical speed
Vehicle brake is stopped static and without engine demand state, however, it is determined that the operating parameter for going out vehicle meets the state, then regards as meeting
Pre-set engine stop condition.Specifically, determining that brake pedal is according to the brake pedal aperture of vehicle
The state trampled and the state for being zero according to the currently practical speed of vehicle can assert that vehicle is in above-mentioned vehicle and stops
Stop static and without engine demand state.
The purpose for judging whether vehicle meets the condition of engine shutdown is, avoids engine disorderly closedown, especially
It is the case where shutdown suddenly when vehicle is in and runs at high speed, to guarantee the traffic safety of vehicle.
Step 103, if satisfied, being then presently in the environmental parameter of position according to vehicle, the engine of vehicle is opened
Stop controlling.
As shown in figure 4, having engine start-up and shut-down control in control signal of the output of intelligent network gang mould block 503 to engine
Module 504 issues enable signal to engine, realizes the start-up and shut-down control to engine.
The environmental parameter that vehicle is presently in position includes weather temperature that vehicle is presently in position, is presently in position
The traffic lights information in section where setting, and it is presently in the jam situation in position place section.In order to get these
Ambient parameter information, intelligent network controller need and are arranged in the roadside device (such as traffic lights) and cloud service of trackside
Device carries out information exchange.For intelligent network controller, the high-precision locating module 501 having is fixed for vehicle itself
Position, including enforceable any location technology, including but not limited to GNSS(Global Navigation Satellite
System, Global Navigation Satellite System), Differential positioning, wireless location, the technologies such as inertial navigation positioning realize to self vehicle position
Positioning intelligent network gang mould block 503 will be sent to from truck position after getting the current location of vehicle；Trackside is set
Roadside device (such as signal lamp) wirelessly broadcasts trackside information outward, such as the letter of all directions of vehicle present position
Signal lamp timing information etc., intelligent network gang mould block 503 wirelessly receive the information；Intelligent network gang mould block 503 passes through shifting
The location information that vehicle is presently in position is uploaded to cloud server by dynamic data communication mode, such as by GSM/GPRS,
The modes such as WCDMA, CDMA2000, TD-SCDMA, 4GLTE or 5G carry out mobile data communication, and cloud server is current by vehicle
The jam situation and congestion index in section where present position feed back to intelligent network gang mould block 503.
In this application, in order to enable intelligent network controller can receive what roadside device and cloud server were sent
Environmental parameter, need preparatory vehicle enterprise in advance with roadside device owner (such as traffic police department) and cloud server owner (such as
The relevant enterprise of map navigation service is provided) it signs an agreement, establish connecting interface.
Specifically, in order to realize the start-up and shut-down control to engine, which is specifically included:
Step 201, the weather temperature that vehicle is presently in position is obtained；
Step 202, judge the weather temperature whether be located at that user is customized or pre-stored preset temperature range in；
Step 203, if being not located at, the engine for controlling vehicle keeps starting state.
In above-mentioned steps 201, it is presently in the weather temperature of position for vehicle, can be and sent out by cloud server
The temperature information sent is also possible to the collected weather temperature information of vehicle itself.
Wherein, when preset temperature range is pre-stored temperature range, which is for example set as 16 DEG C -35
DEG C, in the ranges such as 10 DEG C -30 DEG C, for the passenger in vehicle and vehicle, weather is too high or too low for temperature to be all unfavorable for
The traveling of vehicle, and it cannot be supplied to the environment by bus of occupant comfort, which can be empirically
The day gas temperature range of human body the most comfortable of acquisition is arranged；And when user is customized, which then can be according to user demand
Arbitrarily variation, for example, 15 DEG C -28 DEG C, 15 DEG C -30 DEG C；Constitution and different regions for human body, due to everyone
The constitution of people has difference, and the customized mode of user can preferentially be satisfied with the demand of user.Wherein, it is detecting
When weather temperature has been located in the preset temperature range, that is, show current environment weather temperature be belong to human body it is livable or
Person can make one body-sensing to a comfortable temperature range, and in the process, vehicle is not necessarily to carry out air-conditioning heating or air-conditioning temperature-reducing,
There is no need to engines, and starting state to be kept to provide energy for air-conditioning；Conversely, being not located at the preset temperature model in weather temperature
When enclosing interior, it can assert that user may have the tendency that starting air-conditioning, at this point, must make to send out in order to start air-conditioning quilt smoothly
Motivation keeps starting state, prepares for starting air-conditioning or provides energy for the air-conditioning being activated.
If intelligent network controller gets the collected weather temperature of vehicle simultaneously and cloud server is collected
Weather temperature, can be with weather temperature that vehicle acquires for the first priority, and the collected weather temperature of cloud server is the
Two priority select good weather temperature.
Certainly, in the present embodiment, it is located at that user is customized or pre-stored preset temperature range in the temperature
When interior, in order to enable the engine to shut down on suitable opportunity, it is also necessary to which judging engine in conjunction with other environmental parameters is
It is no to be turned off, therefore, above-mentioned steps 103 further include:
Step 204, the traffic lights information that vehicle is presently in position corresponding road section is obtained；
Step 205, judge that vehicle is presently in whether position is traffic light intersection according to the traffic lights information；
Step 206, if being then presently in the location information of position according to vehicle, determine vehicle in the traffic light intersection
Target travel direction；
Step 207, determine vehicle at the traffic light intersection along target travel direction running institute according to the traffic lights information
The red light waiting time needed；
Step 208, judge whether the red light waiting time is lower than pre-stored preset time；
Step 209, if being lower than, the engine for controlling vehicle keeps starting state；
Step 210, conversely, the engine for then controlling vehicle is shut down；
Wherein, the amount of fuel that the duration of preset time should make engine consume within a preset time be equal to or more than engine into
Amount of fuel consumed by start-stop of row.
Wherein, above-mentioned traffic lights information is by roadside device overseas broadcast, includes that this is red in the traffic lights information
The position at crossing where green light, the current signal light state of each driving direction at the crossing are red light or green light, and
The residual waiting time of red light and the residue of green light pass through the time.In step 204, vehicle present position corresponding road section
Traffic lights information, be specifically as follows within the scope of 2000 meters of vehicle, the traffic lights within the scope of 1000 meters or within the scope of 500 meters
Information.
Intelligent network controller, when the traffic lights information got is multiple, is chosen after receiving traffic lights information
The corresponding traffic lights information of a traffic light intersection in front of vehicle position and apart from vehicle present position recently
Judged.Firstly, being lower than 100 meters, 50 meters or 25 meters at a distance from vehicle position is between nearest traffic light intersection
In range, it is determined that it is traffic light intersection that vehicle, which is presently in position,；Conversely, then can determine not as traffic light intersection.In step
In 206, determine that in the target travel direction of the traffic light intersection, it is exhausted to be mainly currently located lane position according to vehicle for vehicle
Pair, for example, vehicle lane position where traffic light intersection is Through Lane, that is, determine that target travel direction is straight trip side
To vehicle lane position where traffic light intersection is left turn lane, that is, determines that target travel direction is left-hand rotation direction.
After determining target travel direction, waited according to the red light that traffic lights information reads out vehicle toward target travel direction
Time, and controlled according to the red light waiting time come the engine start and stop to vehicle.
In the present embodiment, vehicle be presently in position between nearest traffic lights at a distance from more than 50 meters, 25 meters
Or at 100 meters, and when determining vehicle to be presently in position not being traffic light intersection, at this point, the step 104 includes:
Step 211, it obtains vehicle and is presently in the corresponding road section congestion information in position；
Step 212, judge that vehicle is presently in whether position is congested link according to the congestion in road road section information；
Step 213, if not the engine for then controlling vehicle keeps starting state；
Step 214, conversely, then according to the road section congestion information judge the congested link congestion index whether be more than
Pre-set default congestion index；
Step 215, if being more than, the engine for controlling vehicle is shut down；
Step 216, conversely, the engine for then controlling vehicle keeps starting state.
Wherein, the current vehicle position information that road section congestion information is uploaded by cloud server according to each vehicle into
Row analysis obtains, and when determining that vehicle is in congested link, is referred to according to the congestion index that cloud server is fed back with default congestion
Number is compared.Here, the default congestion index is for different automobile types and unlike signal engine, corresponding is default
Congestion index may it is identical may also be different, which is measured by experiment.For example, in measuring, test
Under each congestion index, in continuing under starting state, institute's fuel consumption amount and engine exist engine in 5 minutes
In 5 minutes consumed amount of fuel is spaced in the state that 5s, 10s or 20s are started again after shutdown.It determines and is shut down in engine
Corresponding congestion index when amount of fuel consumed by restarting is lower than the amount of fuel of engine continuous starting, and by the congestion index
It is determined as above-mentioned default congestion index.
During step 211 to step 216, using minimum fuel consumption as target, position is presently according to vehicle
Place section congestion index corresponding when whether being congested link and be congested link controls the start and stop of engine.
Preferably, referring to Fig.1, the method also includes:
Step 104, it after the engine of vehicle is shut down, if collecting the desired signal for promoting the engine start of vehicle, controls
Engine processed switches to starting state by shutdown status；
The desired signal includes: that the signal that brake pedal is released and the signal that gas pedal is trampled, gear are switched
Signal, one of signal in the signal that steering wheel is rotated.
Specifically, it is released in brake pedal and gas pedal is trampled, brake pedal is released and gear is cut
It changes or brake pedal is released and when steering wheel is rotated, can determine engine demand, at this point, control engine
Starting state is automatically switched to, the energy of driving vehicle movement is provided.
As described in Figure 2, in the present embodiment, the detail flowchart of a realization engine start-up and shut-down control, above-mentioned side are provided
Method it is main comprising steps of
Step 301, engine start and stop function is opened, is realized by pressing physical button；
Step 302, the operating parameter of vehicle, such as speed signal are obtained by CAN bus or LIN bus, brake pedal is trampled
Signal；
Step 303, according to collected operating parameter, to determine whether meeting engine stop condition, if satisfied, then entering step
Rapid 304；It is such as unsatisfactory for, then feedback step 302；
Step 304, judge whether to be located in day gas temperature range according to the weather temperature got, that is, judge that the weather temperature is
No C2 < C1, if being located at, regarding as engine can be shut down between C2 and C1 temperature range, then is entered step
305；Conversely, then engine should be kept it turned on；
Step 306, judge that vehicle is presently in whether position is traffic light intersection according to the traffic lights information that roadside device issues,
If then entering step 306；Conversely, then entering step 307；
Step 306, lane is corresponded to according to vehicle present position, determines target travel direction, and mesh is determined according to traffic lights information
Whether the red light countdown of mark driving direction is less than pre-set preset time T, if being less than, engine should be kept it turning on
State, conversely, then controlling engine shutdown；
Step 307, the congestion information for receiving the vehicle present position of cloud server feedback, judges that vehicle is currently located road
Whether section is congested link, if then entering step 308, keep it turned on conversely, then controlling engine；
Step 308, according to the congestion information of the vehicle present position of cloud server feedback, judge that vehicle is currently located road
Whether the congestion index of section is lower than default congestion index M, if being less than, controls engine and keeps it turned on；Conversely, then controlling
Engine is shut down；
Step 309, after engine stop, the operating parameter of continuous collecting engine, to judge whether there is engine demand,
If it exists, then it controls engine and switches to open state by shutting down；Conversely, then persistently carrying out step 309.
The engine start-up and shut-down control method provided through the foregoing embodiment, combines the operating parameter of vehicle itself, and
The environmental parameter of vehicle position, it is reasonable to design using support vehicles safe driving and minimum fuel consumption as target
The strategy of engine start or shutdown on the basis of improving the user experience reduces fuel consumption.Pass through intelligence
Net connection technological prediction engine down time, keep engine start-up and shut-down control more accurate, thus reach better economic benefit and
Environmental benefit.Specifically, the above-mentioned method of the present embodiment can achieve following effect:
1) engine start and stop, are controlled according to actual road conditions, promote the effect of engine start and stop function, reaches higher fuel oil and saves
And environmental benefit.
2) unnecessary frequent start-stop when slow congestion, is reduced, user's driving experience is promoted.
3) shutdown of hot weather engine, is avoided to cause air-conditioning that cannot freeze the problem for causing user experience bad.
Referring to Fig. 3, according to another aspect of the present invention, the present invention also provides a kind of engine start-up and shut-down control device, packets
It includes:
Acquisition device 401, for obtaining the operating parameter of vehicle when engine start and stop function is opened；
Judgment means 402, for judging whether the operating parameter meets pre-set engine stop condition；
Control device 403, for if satisfied, be then presently in the environmental parameter of position according to vehicle, to the engine of vehicle into
Row start-up and shut-down control.
Preferably, the first control module includes:
First acquisition unit, the weather temperature for being presently in position for obtaining vehicle；
First judging unit, for judging whether the temperature is higher than that user is customized or pre-stored preset temperature；
First control unit, if the engine for controlling vehicle keeps starting state for being higher than.
Preferably, when the temperature is customized lower than user or pre-stored preset temperature, the first control module
Further include:
Second acquisition unit, the traffic lights information for being presently in position corresponding road section for obtaining vehicle；
Second judgment unit, for judging that vehicle is presently in whether position is traffic light intersection according to the traffic lights information；
First determination unit, for if being then presently in the location information of position according to vehicle, determine vehicle described red green
The target travel direction at lamp crossing；
Second determination unit, for determining vehicle at the traffic light intersection along target travel side according to the traffic lights information
Waiting time needed for traveling；
Third judging unit, for judging whether the waiting time is lower than pre-stored preset time；
Third control unit, if the engine for controlling vehicle keeps starting state for being lower than；
4th control unit, for conversely, the engine for then controlling vehicle is shut down；
Wherein, the amount of fuel that the duration of preset time should make engine consume within a preset time be equal to or more than engine into
Amount of fuel consumed by start-stop of row.
Preferably, when it is traffic light intersection that vehicle, which is presently in position not, the first control module further include:
Third acquiring unit is presently in the corresponding road section congestion information in position for obtaining vehicle；
4th judging unit, for judging that vehicle is presently in whether position is congestion road according to the congestion in road road section information
Section；
5th control unit, if not for the engine for then controlling vehicle to keep starting state；
5th judging unit, for conversely, then judging that the congestion of the congested link refers to according to the road section congestion information
Whether number is more than pre-set default congestion index；
5th control unit, if the engine for controlling vehicle is shut down for being more than；
6th control unit, for conversely, the engine for then controlling vehicle keeps starting state.
Preferably, described device further include:
Second control module, for the engine of vehicle shutdown after, if collecting the demand for promoting the engine start of vehicle
Signal then controls engine by shutdown status and switches to starting state；
The desired signal includes: that the signal that brake pedal is released and the signal that gas pedal is trampled, gear are switched
Signal, one of signal in the signal that steering wheel is rotated.
Above-mentioned apparatus of the present invention, be with the one-to-one device of the above method, effect same as mentioned above can be reached
Fruit, that is, the operating parameter of vehicle itself and the environmental parameter of vehicle position are combined, with support vehicles safe driving
And minimum fuel consumption is target, reasonably devises the strategy of engine start or shutdown, uses body improving user
On the basis of testing, fuel consumption is reduced.
According to another aspect of the present invention, the present invention also provides a kind of engine start-stop control systems, comprising:
Intelligent network controller；
It is mounted on the roadside device of trackside, the roadside device and the intelligent network controller wirelessly communicate；
Cloud server, the cloud server and the intelligent network controller mobile data communication；
The roadside device and the cloud server, which are used to provide vehicle to the intelligent network controller, is presently in position
Environmental parameter；The intelligent network controller is used to obtain the operating parameter of vehicle when engine start and stop function is opened；Sentence
Whether the operating parameter of breaking meets pre-set engine stop condition；If satisfied, then current according to the vehicle got
The environmental parameter of present position carries out start-up and shut-down control to the engine of vehicle.
For the system when implementing the start-up and shut-down control to engine, corresponding step is corresponding with description in the above method,
This is repeated no more.The system can reach technical effect identical with the above method, that is, combine the operating parameter of vehicle itself,
And the environmental parameter of vehicle position, using support vehicles safe driving and minimum fuel consumption as target, reasonably
The strategy for devising engine start or shutdown reduces fuel consumption on the basis of improving the user experience.
According to another aspect of the present invention, the present invention also provides a kind of automobiles, including above-mentioned engine start-up and shut-down control
Device.
Claims (8)
1. a kind of engine start-up and shut-down control method characterized by comprising
When engine start and stop function is opened, the operating parameter of vehicle is obtained；
Judge whether the operating parameter meets pre-set engine stop condition；
If satisfied, being then presently in the environmental parameter of position according to vehicle, start-up and shut-down control is carried out to the engine of vehicle.
2. the method according to claim 1, wherein the environmental parameter of position is presently according to vehicle, to vehicle
Engine carry out start-up and shut-down control the step of include:
Obtain the weather temperature that vehicle is presently in position；
Judge the weather temperature whether be located at that user is customized or pre-stored preset temperature range in；
If being not located at, the engine for controlling vehicle keeps starting state.
3. according to the method described in claim 2, it is characterized in that, to be located at user in the weather temperature customized or preparatory
When in the preset temperature range of storage, it is presently in the environmental parameter of position according to vehicle, start and stop are carried out to the engine of vehicle
The step of control further include:
Obtain the traffic lights information that vehicle is presently in position corresponding road section；
Judge that vehicle is presently in whether position is traffic light intersection according to the traffic lights information；
If being then presently in the location information of position according to vehicle, determine vehicle in the target travel of the traffic light intersection
Direction；
Red light needed for determining vehicle at the traffic light intersection along target travel direction running according to the traffic lights information
Waiting time；
Judge whether the red light waiting time is lower than pre-stored preset time；
If being lower than, the engine for controlling vehicle keeps starting state；
Conversely, the engine for then controlling vehicle is shut down；
Wherein, the amount of fuel that the duration of preset time should make engine consume within a preset time be equal to or more than engine into
Amount of fuel consumed by start-stop of row.
4. according to the method described in claim 3, it is characterized in that, when it is traffic light intersection that vehicle, which is presently in position not,
The step of being presently in the environmental parameter of position according to vehicle, start-up and shut-down control carried out to the engine of vehicle further include:
It obtains vehicle and is presently in the corresponding road section congestion information in position；
Judge that vehicle is presently in whether position is congested link according to the congestion in road road section information；
If not the engine for then controlling vehicle keeps starting state；
Conversely, then judging whether the congestion index of the congested link is more than to preset according to the road section congestion information
Default congestion index；
If being more than, the engine for controlling vehicle is shut down；
Conversely, the engine for then controlling vehicle keeps starting state.
5. the method according to claim 1, wherein the method also includes:
After the engine of vehicle is shut down, if collecting the desired signal for promoting the engine start of vehicle, engine is controlled
Starting state is switched to by shutdown status；
The desired signal includes: that the signal that brake pedal is released and the signal that gas pedal is trampled, gear are switched
Signal, one of signal in the signal that steering wheel is rotated.
6. a kind of engine start-up and shut-down control device characterized by comprising
Acquisition device, for obtaining the operating parameter of vehicle when engine start and stop function is opened；
Judgment means, for judging whether the operating parameter meets pre-set engine stop condition；
Control device, for opening the engine of vehicle if satisfied, be then presently in the environmental parameter of position according to vehicle
Stop controlling.
7. a kind of engine start-stop control system characterized by comprising
Intelligent network controller；
It is mounted on the roadside device of trackside, the roadside device and the intelligent network controller wirelessly communicate；
Cloud server, the cloud server and the intelligent network controller mobile data communication；
The roadside device and the cloud server, which are used to provide vehicle to the intelligent network controller, is presently in position
Environmental parameter；The intelligent network controller is used to obtain the operating parameter of vehicle when engine start and stop function is opened；Sentence
Whether the operating parameter of breaking meets pre-set engine stop condition；If satisfied, then current according to the vehicle got
The environmental parameter of present position carries out start-up and shut-down control to the engine of vehicle.
8. a kind of automobile, which is characterized in that including engine start-up and shut-down control device as claimed in claim 6.
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| CN201910230150.4A CN109973274A (en) | 2019-03-26 | 2019-03-26 | A kind of engine start-up and shut-down control method, apparatus, system and automobile |
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| CN201910230150.4A CN109973274A (en) | 2019-03-26 | 2019-03-26 | A kind of engine start-up and shut-down control method, apparatus, system and automobile |
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| CN114017187A (en) * | 2021-10-09 | 2022-02-08 | 东风汽车集团股份有限公司 | Engine start-stop control method and device and vehicle |
| CN114017187B (en) * | 2021-10-09 | 2023-10-20 | 东风汽车集团股份有限公司 | Engine start-stop control method and device and vehicle |
| CN115214294A (en) * | 2021-11-10 | 2022-10-21 | 广州汽车集团股份有限公司 | Method for preventing start-stop exit by vehicle cold accumulation in advance and air conditioner controller |
| CN115214294B (en) * | 2021-11-10 | 2023-10-27 | 广州汽车集团股份有限公司 | Method for preventing start-stop exit of vehicle by storing cold in advance and air conditioner controller |
| CN114519936A (en) * | 2022-02-14 | 2022-05-20 | 东风汽车集团股份有限公司 | Traffic light intersection engine start and stop intelligent control method and system based on V2X |
| CN114519936B (en) * | 2022-02-14 | 2023-01-24 | 东风汽车集团股份有限公司 | Traffic light intersection engine start and stop intelligent control method and system based on V2X |
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