CN103867306B - Automatic gearshift automobile temporary parking is flame-out starts control method and control system - Google Patents
Automatic gearshift automobile temporary parking is flame-out starts control method and control system Download PDFInfo
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- CN103867306B CN103867306B CN201410127617.XA CN201410127617A CN103867306B CN 103867306 B CN103867306 B CN 103867306B CN 201410127617 A CN201410127617 A CN 201410127617A CN 103867306 B CN103867306 B CN 103867306B
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Abstract
The invention discloses flame-out during a kind of automatic gearshift automobile temporary parking/startup control system and control method thereof.According to master switch signal, gearbox-gear signal, parking brake signal, engine rotational speed signal, accelerator pedal signal, brake pedal signal, wheel rotation speed signals and battery tension signal, this control system judges whether automatic gearshift automobile is in temporary parking state, and control ignition coil and the starter relay of automatic gearshift automobile respectively according to judged result.Compared with prior art, the control system of the automatic gearshift automobile of the present invention and control method thereof achieve automatic gearshift automobile auto extinguishing when temporary parking, and the automatic ignition when operator automobile prepares to restart.This improves capacity usage ratio, it is to avoid temporary parking when, still consume the energy, decrease the discharge of greenhouse gases.
Description
Technical field
The present invention relates to vehicle electric field, flame-out when particularly relating to a kind of automatic gearshift automobile temporary parking/start control method with
Control system.
Background technology
Along with the quick growth of car owning amount, the air pollution that motor vehicle emission causes is increasingly severe.When automobile is in wait
During the temporary parking road conditions such as red light, traffic jam and stop in short-term, engine idling operation.Now, automobile is still continuing
Consume fuel and discharge greenhouse gases.It is to say, the situation of this temporary parking be cause vehicle fuel utilization factor low one
Individual key factor.Engine control system of the prior art can realize vehicle and make electromotor auto extinguishing when putting into gear by mistake,
Electromotor auto extinguishing is made when Diesel engine does not works, or by connecting automobile OBDII(the Second
On Board Diagnostics, second filial generation vehicle-mounted self-diagnosis system) detection interface or dynamically induction mechanism realize opening of automobile
Dynamic and flame-out.But, these automobiles yet suffer under the situation of temporary parking that fuel efficiency is low and greenhouse gas emission is high
Problem.
Summary of the invention
The technical problem to be solved is to provide flame-out/startup control method and the control system of a kind of automatic gearshift automobile,
With auto extinguishing energy efficient under the road conditions of temporary parking and reduce discharge, meanwhile, can be automatic at the end of temporary parking
Start, facilitate operator.
The present invention solves its technical problem and uses following technical scheme:
The invention provides flame-out during a kind of automatic gearshift automobile temporary parking/startup control system, it is characterised in that described control
System processed includes:
Controller local area network (CAN) bus；
The anterior information acquisition module being connected with described CAN bus, described anterior information acquisition module receive with
Described automatic gearshift automobile flame-out master switch signal, gearbox-gear signal and the parking brake signal relevant with startup, institute
State anterior information acquisition module also receive represents described automatic gearshift automobile engine speed engine rotational speed signal, represent described in
Automatic gearshift automobile gas pedal motion accelerator pedal signal, represent the brake pedal that described automatic gearshift automobile brake pedal moves
Signal and represent described automatic gearshift automobile storage battery pressure condition battery tension signal, and by described master switch signal,
Described gearbox-gear signal, described parking brake signal, described engine rotational speed signal, described accelerator pedal signal,
Described brake pedal signal and described battery tension signal are converted into the network information, and to be sent to described controller local area network total
Line；
The rear portion information acquisition module being connected with described CAN bus, described rear portion information acquisition module is used for connecing
Receive the wheel rotation speed signals of the vehicle wheel rotational speed representing described automatic gearshift automobile, and described wheel rotation speed signals is converted into network letter
Breath is sent to described CAN bus；And
The main control module being connected with described CAN bus, for receiving by described CAN bus
Described master switch signal, described gearbox-gear signal, described parking brake signal, described engine rotational speed signal,
Described accelerator pedal signal, described brake pedal signal, described battery tension signal and described wheel rotation speed signals,
Described main control module according to described master switch signal, described gearbox-gear signal, described parking brake signal,
Described engine rotational speed signal, described accelerator pedal signal, described brake pedal signal, described battery tension signal and institute
State wheel rotation speed signals and judge whether described automatic gearshift automobile is in temporary parking state, and produce the according to described judged result
One control signal and the second control signal, to control ignition coil and the starter relay of described automatic gearshift automobile respectively,
Wherein, when described judged result shows that described automatic gearshift automobile is in described temporary parking state, described master control mould
The first control signal and the second control signal that block produces control described ignition coil and described starter relay, with flame-out described
Automatic gearshift automobile；After described automatic gearshift automobile temporary parking is flame-out, when described judged result shows described automatic gearshift automobile
When needing to be again started up, described first control signal and described second control signal that described main control module produces control described point
Fire coil and described starter relay, with described automatic gearshift automobile of lighting a fire.
In one embodiment, when multiple burn-out conditions are satisfied by, described main control module judges that described automatic gearshift automobile is in
Described temporary parking state, the plurality of burn-out condition includes:
1) described master switch signal represents the master switch of described automatic gearshift automobile in an ON state；
2) described gearbox-gear signal and described parking brake signal represent at the gearbox-gear of described automatic gearshift automobile
Normally work in neutral gear and its parking brake, or, described gearbox-gear is in park position；
3) described engine rotational speed signal represents that the electromotor of described automatic gearshift automobile is in idling mode；
4) described wheel rotation speed signals represents that the speed of described automatic gearshift automobile is gradually kept to 0；And
5) described battery tension signal represents that the accumulator electric-quantity of described automatic gearshift automobile starts the most next time.
Wherein, represent that the described automatic gearshift automobile vehicle speed value in the first moment is more than 0 and described when described wheel rotation speed signals
When the vehicle speed value in the second moment after the first moment is 0, described main control module judges the speed of described automatic gearshift automobile gradually
It is kept to 0, i.e. meets described burn-out condition 4).
In one embodiment, when and being satisfied by when multiple entry conditions after described automatic gearshift automobile temporary parking is flame-out,
Described main control module judges that described automatic gearshift automobile needs to be again started up, and the plurality of entry condition includes:
1) described master switch signal represents the master switch of described automatic gearshift automobile in an ON state；
2) described engine rotational speed signal represents that the electromotor of described automatic gearshift automobile is in flameout state；And
3) described accelerator pedal signal and described brake pedal signal represent that the described gas pedal of described automatic gearshift automobile is stepped on
Under, or, described brake pedal status changes.
Additionally, described anterior information acquisition module includes:
The switching signal processing unit being made up of filter circuit and isolation circuit, for described master switch signal, described change
Speed gear box signal and described parking brake signal are filtered and isolation processing；
The analogy signal processing unit being made up of slide rheostat and ground capacity, for accelerator pedal signal described in dividing potential drop and system
Dynamic pedal signal, and filter the accelerator pedal signal after described dividing potential drop and the high frequency noise components in brake pedal signal；
The pulse signal processing unit being made up of current-limiting resistance, photoelectrical coupler, pull-up resistor and electric capacity, is used for receiving described
Engine rotational speed signal；
The battery tension signal processing unit being made up of resistor, potentiometer, electric capacity, Zener diode and intervalometer, uses
In receiving battery tension signal, and judge the voltage status of described accumulator；And
With described switching signal processing unit, described analogy signal processing unit, described pulse signal processing unit and described storage
The microcontroller that battery voltage signal processing unit is connected, the described master switch signal after processing, described change speed gear box
Gear signal, described parking brake signal, described accelerator pedal signal, described brake pedal signal, described electromotor turn
Speed signal and described battery tension signal flow to CAN bus by controller local area network's communication unit.
Further, described main control module includes:
Controller local area network's communication unit, for from described CAN bus receive described master switch signal,
Described gearbox-gear signal, described parking brake signal, described accelerator pedal signal, described brake pedal signal, institute
State engine rotational speed signal and described wheel rotation speed signals；And
Output driver element, for being respectively transmitted described first control signal and described second control signal to described ignition lead
Circle and described starter relay.
Present invention also offers flame-out during a kind of automatic gearshift automobile temporary parking/startup control method, it is characterised in that include
Following steps:
Receive and the master switch signal that described automatic gearshift automobile is flame-out and startup is relevant, gearbox-gear signal, parking braking
Device signal；
Receive the engine rotational speed signal representing described automatic gearshift automobile engine speed；
Receive the accelerator pedal signal of the motion representing described automatic gearshift automobile gas pedal；
Receive the brake pedal signal of the motion representing described automatic gearshift automobile brake pedal；
Receive the battery tension signal representing described automatic gearshift automobile battery condition；
Receive the wheel rotation speed signals representing described automatic gearshift automobile vehicle wheel rotational speed；
Turn according to described master switch signal, described gearbox-gear signal, described parking brake signal, described electromotor
Speed signal, described accelerator pedal signal, described brake pedal signal, described battery tension signal and described vehicle wheel rotational speed letter
Number judge whether described automatic gearshift automobile is in temporary parking state, and according to described judged result produce the first control signal and
Second control signal, to control ignition coil and the starter relay of described automatic gearshift automobile respectively,
Wherein, when described judged result shows that described automatic gearshift automobile is in described temporary parking state, described master control mould
The first control signal and the second control signal that block produces control described ignition coil and described starter relay, with flame-out described
Automatic gearshift automobile；Described automatic gearshift automobile be in described temporary parking flame-out after, and when described judged result shows described
When automatic gearshift automobile needs to be again started up, described first control signal of described main control module generation and described second control signal
Control described ignition coil and described starter relay, with described automatic gearshift automobile of lighting a fire.
In one embodiment, when multiple burn-out conditions are satisfied by, then judge that described automatic gearshift automobile is in and described stop temporarily
Car state, the plurality of burn-out condition includes:
1) described master switch signal represents the master switch of described automatic gearshift automobile in an ON state；
2) described gearbox-gear signal and described parking brake signal represent at the gearbox-gear of described automatic gearshift automobile
Normally work in neutral gear and its parking brake, or, described gearbox-gear is in park position；
3) described engine rotational speed signal represents that the electromotor of described automatic gearshift automobile is in idling mode；
4) described wheel rotation speed signals represents that the speed of described automatic gearshift automobile is gradually kept to 0；And
5) described battery tension signal represents that the accumulator electric-quantity of described automatic gearshift automobile starts the most next time.
Wherein, represent that the described automatic gearshift automobile vehicle speed value in the first moment is more than 0 and described when described wheel rotation speed signals
When the vehicle speed value in the second moment after the first moment is 0, described main control module judges the speed of described automatic gearshift automobile gradually
It is kept to 0, i.e. meets described burn-out condition 4).
In one embodiment, when and being satisfied by when multiple entry conditions after described automatic gearshift automobile temporary parking is flame-out,
Then judging that described automatic gearshift automobile needs to be again started up, the plurality of entry condition includes:
1) described master switch signal represents the master switch of described automatic gearshift automobile in an ON state；
2) described engine rotational speed signal represents that the electromotor of described automatic gearshift automobile is in flameout state；And
3) described accelerator pedal signal and described brake pedal signal represent that the gas pedal of described automatic gearshift automobile is operated,
Or, described brake pedal status changes.
Compared with prior art, during the automatic gearshift automobile temporary parking of the present invention flame-out/to start control method real with control system
Automatic gearshift automobile auto extinguishing when temporary parking, and the automatic ignition when operator automobile prepares to restart are showed.
This improves capacity usage ratio, it is to avoid temporary parking when, still consume the energy, decrease the row of greenhouse gases
Put.
Accompanying drawing explanation
Fig. 1 show the control system of automatic gearshift automobile according to an embodiment of the invention.
Fig. 2 A show the structural representation of anterior according to an embodiment of the invention information acquisition module.
Fig. 2 B show the structural representation of rear portion information acquisition module according to an embodiment of the invention.
Fig. 2 C show the structural representation of main control module according to an embodiment of the invention.
Fig. 3 A show the workflow diagram of main control module according to an embodiment of the invention.
Fig. 3 B show another workflow diagram of main control module according to an embodiment of the invention.
Fig. 3 C show another workflow diagram of main control module according to an embodiment of the invention.
Fig. 3 D show another workflow diagram of main control module according to an embodiment of the invention.
Fig. 4 show the structure chart of power supply processing unit according to an embodiment of the invention.
Fig. 5 show the structure chart of CAN communication unit according to an embodiment of the invention.
Fig. 6 show the structure chart of switching signal processing unit according to an embodiment of the invention.
Fig. 7 show the structure chart of analogy signal processing unit according to an embodiment of the invention.
Fig. 8 show the structure chart of pulse signal processing unit according to an embodiment of the invention.
Fig. 9 show the structure chart of battery tension signal processing unit according to an embodiment of the invention.
Figure 10 show the structure chart exporting driver element according to an embodiment of the invention.
Detailed description of the invention
Hereinafter embodiments of the invention will be provided detailed description.Although the present invention will be carried out in conjunction with some detailed description of the invention
Illustrate and explanation, but it should be noted that the present invention is not merely confined to these embodiments.On the contrary, the present invention is entered
The amendment of row or equivalent, all should contain in the middle of scope of the presently claimed invention.
It addition, in order to better illustrate the present invention, detailed description of the invention below gives numerous details.This
Skilled person is not it will be appreciated that have these details, and the present invention equally implements.In other example, right
It is not described in detail in known method, flow process, element and circuit, in order to highlight the purport of the present invention.
Fig. 1 show the control system 100 of automatic gearshift automobile according to an embodiment of the invention.In the embodiment in figure 1,
Control system 100 includes anterior information acquisition module 104, rear portion information acquisition module 106, main control module 102, controls
Device LAN (CAN) bus 108, switching signal sensor 112, engine speed sensor 114, gas pedal
Sensor 118, brake pedal sensor 119, accumulator 116 and wheel speed sensor 124.Switching signal sensor
112 produce flame-out to automatic gearshift automobile and start relevant master switch signal, gearbox-gear signal and parking brake letter
Number.In one embodiment, switching signal sensor 112 can be made up of multiple sensors, lays respectively at instrument desk, change
At speed case and parking brake at joystick.Engine speed sensor 114 is assemblied on the electromotor of automatic gearshift automobile,
For sensing the rotating speed of this electromotor, and produce the engine rotational speed signal 162 representing this rotating speed.Accelerator pedal sensor 118
It is assemblied at gas pedal, for sensing the motion of automatic gearshift automobile gas pedal, and provides expression gas pedal moving displacement
Accelerator pedal signal 164.Brake pedal sensor 119 is assemblied at brake pedal, is used for sensing automatic gearshift automobile braking
The motion of pedal, and the brake pedal signal 165 representing brake pedal moving displacement is provided.Accumulator 116 is assemblied in starts
At cabin, for producing the battery tension signal 166 representing automatic gearshift automobile storage battery pressure condition.Vehicle wheel rotational speed senses
Device 124 is assemblied on power transmission shaft or the wheel hub of automatic gearshift automobile, turns for producing the wheel representing automatic gearshift automobile vehicle wheel rotational speed
Speed signal 168.
Anterior information acquisition module 104 is mountable under seat, copilot room be connected with CAN bus 108.This
Outward, anterior information acquisition module 104 also with switching signal sensor 112, engine speed sensor 114, gas pedal
Sensor 118, brake pedal sensor 119 are connected with accumulator 116.At work, anterior information acquisition module 104
Receive and include multiple signals 160 of master switch signal, gearbox-gear signal and parking brake signal, engine speed
Signal 162, accelerator pedal signal 164, brake pedal signal 165 and battery tension signal 166, and by master switch
Signal, gearbox-gear signal, parking brake signal, engine rotational speed signal 162, accelerator pedal signal 164, system
Dynamic pedal signal 165 and battery tension signal 166 are converted into the network information and are sent to CAN bus 108.
Rear portion information acquisition module 106 is mountable under the pillion of automatic gearshift automobile, with CAN bus
108 are connected.Further, rear portion information acquisition module 106 is also connected with wheel speed sensor 124.At work, rear portion
Information acquisition module 106 receives wheel rotation speed signals 168, and wheel rotation speed signals 168 is converted into the network information is sent to
CAN bus 108.
In one embodiment, under main control module 102 is mountable to the instrument desk of automatic gearshift automobile.Main control module 102 and control
Device Area Network bus 108 processed is connected.At work, main control module 102 is received by CAN bus 108
Master switch signal, gearbox-gear signal, parking brake signal, engine rotational speed signal 162, accelerator pedal signal
164, brake pedal signal 165, battery tension signal 166 and wheel rotation speed signals 168.Main control module 102 is according to master
Control switching signal, gearbox-gear signal, parking brake signal, engine rotational speed signal 162, accelerator pedal signal 164,
Brake pedal signal 165, battery tension signal 166 and wheel rotation speed signals 168 judge whether automatic gearshift automobile is in and face
Time dead ship condition, and produce the first control signal 150 and the second control signal 152 according to judged result, to control institute respectively
State ignition coil 120 and the starter relay 122 of automatic gearshift automobile.More particularly, automatic transmission vapour is shown when judged result
When car is in temporary parking state, main control module 102 is controlled by the first control signal 150 and the second control signal 152
Make ignition coil 120 and starter relay 122 power-off, with flame-out automatic gearshift automobile.Further, stop at automatic gearshift automobile temporarily
After car is flame-out, when judged result shows that automatic gearshift automobile needs to be again started up, main control module 102 is by the first control letter
Numbers 150 and second control signal 152 control to make described ignition coil 120 and described starter relay 122 be energized, with igniting
Described automatic gearshift automobile.
Advantage is, the control system 100 of the automatic gearshift automobile of the present invention is to judge automatic transmission vapour according to multiple burn-out conditions
Whether car is in above-mentioned temporary parking state.It is to say, only when these burn-out conditions all meet, main control module 102
Just control automatic gearshift automobile to stop working.These burn-out conditions include:
1) master switch signal represents the master switch of automatic gearshift automobile in an ON state；
2) gearbox-gear signal and described parking brake signal represent the gearbox-gear of automatic gearshift automobile be in neutral gear and
Its parking brake normally works, or, gearbox-gear is in park position；
3) engine rotational speed signal represents that the electromotor of automatic gearshift automobile is in idling mode；
4) wheel rotation speed signals represents that the speed of automatic gearshift automobile is gradually kept to 0；And
5) battery tension signal represents that the accumulator electric-quantity of automatic gearshift automobile starts the most next time.
For burn-out condition 4), when wheel rotation speed signals 168 represents that the automatic gearshift automobile vehicle speed value in the first moment is more than 0
And the vehicle speed value in the second moment after the first moment is when being 0, main control module 102 judges the speed of automatic gearshift automobile gradually
It is kept to 0, i.e. meets burn-out condition 4).What deserves to be explained is, if wheel rotation speed signals 168 represents that automatic gearshift automobile is
The vehicle speed value in the one moment situation equal to 0 potentially includes speed and natively such as stops for 0(or just start) or speed by
Gradually drop to 0.Now, due to cannot determine whether be speed be gradually 0, therefore, and be unsatisfactory for burn-out condition 4).
During additionally, and be satisfied by when multiple entry conditions after automatic gearshift automobile temporary parking is flame-out, main control module 102 is sentenced
Determining automatic gearshift automobile to need to be again started up, and control to make ignition coil 120 and starter relay 122 be energized, lighting a fire, this is automatic
Shelves automobile.In one embodiment, entry condition includes:
1) master switch signal represents the master switch of automatic gearshift automobile in an ON state；
2) engine rotational speed signal 162 represents that the electromotor of automatic gearshift automobile is in flameout state；And
3) accelerator pedal signal 164 and brake pedal signal 165 represent that the gas pedal of automatic gearshift automobile is stepped on, or,
Brake pedal status changes.
Fig. 2 A show the structural representation of anterior according to an embodiment of the invention information acquisition module 104.A reality
Execute in example, anterior information acquisition module 104 include power supply processing unit 204, battery tension signal processing unit 206,
Switching signal processing unit 214, analogy signal processing unit 216, pulse signal processing unit 218, CAN communication unit
210 and microcontroller 220.Power supply processing unit 204 receives the voltage of power supply 202, and is anterior information acquisition module 104
Power supply.Switching signal processing unit 214 is to including master switch signal, gearbox-gear signal and parking brake signal
Multiple signals 160 carry out signal processing, and master switch signal, gearbox-gear signal and the parking brake after processing
Signal delivers to microprocessor 220 by the port PB0-PB7 of microprocessor 220.Analogy signal processing unit 216 is to throttle
Pedal signal 164 and brake pedal signal 165 carry out signal processing, and the accelerator pedal signal 164 after processing and braking
Pedal signal 165 delivers to microprocessor 220 by the port PAD0-PAD1 of microprocessor 220.Pulse signal processes single
Unit 218 carries out signal processing to engine rotational speed signal 162, and the engine rotational speed signal 162 after processing is by micro-place
The port PJ0 of reason device 220 delivers to microprocessor 220.Battery tension signal processing unit 206 is to battery tension signal
166 carry out signal processing, and the battery tension signal 166 after processing is sent by the port PAD2 of microprocessor 220
To microprocessor 220.Microprocessor 220 sends, by interface CAH and CANL, the signal received to CAN communication
Unit 210.These signals are sent to CAN 108 according to default communication protocol by CAN communication unit 210.Anterior
The power supply processing unit 204 of information acquisition module 104, battery tension signal processing unit 206, switching signal process single
Unit 214, analogy signal processing unit 216, pulse signal processing unit 218, CAN communication unit 210 will be at Fig. 4-figure
9 are further described.
Fig. 2 B show the structural representation of rear portion information acquisition module 106 according to an embodiment of the invention.In Fig. 2 B
The module identical with Fig. 2 A label has identical function, will not be described in great detail.In one embodiment, rear portion information gathering
Module 106 includes power supply processing unit 204, pulse signal processing unit 258, CAN communication unit 250 and microcontroller
270.Pulse signal processing unit 258 carries out signal processing to wheel rotation speed signals 168, and the vehicle wheel rotational speed after processing
Signal 168 delivers to microprocessor 270 by the port PJ1 of microprocessor 270.The wheel that microprocessor 220 will receive
Tach signal 168 sends CAN communication unit 250 to by interface CAH and CANL.CAN communication unit 250
According to default communication protocol, wheel rotation speed signals 168 is sent to CAN 108.The arteries and veins of rear portion information acquisition module 106
Rush signal processing unit 258 to be further described at Fig. 8.
Fig. 2 C show the structural representation of main control module 102 according to an embodiment of the invention.Fig. 2 C marks with Fig. 2 A
Number identical module has identical function, will not be described in great detail.In one embodiment, main control module 102 includes at power supply
Reason unit 204, output driver element 208, CAN communication unit 260 and microcontroller 280.CAN communication unit 260
It is connected with CAN 108, and will be including master switch signal, gearbox-gear signal and parking brake signal
Multiple signals 160, engine rotational speed signal 162, accelerator pedal signal 164, brake pedal signal 165, storage battery
Pressure signal 166 and wheel rotation speed signals 168 are sent to microcontroller 270 from CAN 108.Microcontroller 270 is held
Step shown in row Fig. 3 A, and produce the first control signal 150 and the second control signal 152 by output driver element 208
Send booster coil 120 and starter relay 122 to, with igniting or flame-out automatic gearshift automobile.Main control module 102
Output driver element 208 will be further described at Figure 10.
Fig. 3 A show the workflow diagram 300 of main control module 102 according to an embodiment of the invention.In step 302,
Receive and the master switch signal that automatic gearshift automobile is flame-out and startup is relevant, gearbox-gear signal, parking brake signal (example
As: multiple signals 160).In step 304, the engine speed letter of the engine speed representing automatic gearshift automobile is received
Numbers 162.Within step 306, accelerator pedal signal 164 and the table of the motion of the gas pedal representing automatic gearshift automobile are received
Show the brake pedal signal 165 of the motion of the brake pedal of automatic gearshift automobile.In step 308, expression automatic transmission vapour is received
The battery tension signal 166 of the magnitude of voltage of the accumulator of car.In the step 310, receive expression automatic gearshift automobile wheel to turn
The wheel rotation speed signals 168 of speed.
In step 312, according to master switch signal, gearbox-gear signal, parking brake signal, engine speed
Signal, accelerator pedal signal, brake pedal signal, battery tension signal and wheel rotation speed signals judge that automatic gearshift automobile is
The no temporary parking state that is in, and produce the first control signal 150 and the second control signal 152 according to judged result, to divide
Do not control ignition coil 120 and the starter relay 122 of automatic gearshift automobile.
In a step 314, show (to meet interim when automatic gearshift automobile is in described temporary parking state when judged result
Parking condition), flow chart enters step 316.In step 316, the first control signal 150 that main control module 102 produces
Control to make ignition coil 120 and starter relay 122 power-off, with flame-out automatic gearshift automobile with the second control signal 152.?
In step 318, automatic gearshift automobile be in described temporary parking flame-out after, and when judged result shows described automatic transmission vapour
When car needs to be again started up, enter step 320.In step 320, the first control signal 150 that main control module 102 produces
It is energized with the second control signal 152 control point fire coil 120 and starter relay 122, with automatic gearshift automobile of lighting a fire.
In one embodiment, when multiple burn-out conditions are satisfied by, then judge that automatic gearshift automobile is in temporary parking state.
These burn-out conditions include:
1) master switch signal represents the master switch of automatic gearshift automobile in an ON state；
2) gearbox-gear signal and parking brake signal represent that the gearbox-gear of automatic gearshift automobile is in neutral gear and it is stayed
Vehicle brake normally works, or, gearbox-gear is in park position；
3) engine rotational speed signal represents that the electromotor of automatic gearshift automobile is in idling mode；
4) wheel rotation speed signals represents that the speed of automatic gearshift automobile is gradually kept to 0；And
5) battery tension signal represents that the accumulator electric-quantity of automatic gearshift automobile starts the most next time.
The application of burn-out condition is further described below with reference to Fig. 3 B.
Fig. 3 B show the workflow diagram of main control module 102 according to an embodiment of the invention.The workflow of Fig. 3 B
The step 312 having schemed corresponding in Fig. 3 A.According to Fig. 3 B, main control module 102 has judged above-mentioned 5 flame-out bars successively
Part, when above-mentioned 5 conditions are satisfied by when, main control module 102 judges that automatic gearshift automobile is in temporary parking state, and
Stop working this automatic gearshift automobile accordingly.
In one embodiment, when wheel rotation speed signals 168 represent the automatic gearshift automobile vehicle speed value in the first moment more than 0 and
When the vehicle speed value in the second moment after the first moment is 0, main control module 102 judges that the speed of automatic gearshift automobile gradually subtracts
It is 0, i.e. meets burn-out condition 4).
Tell about burn-out condition 4 further below with reference to Fig. 3 C) judgement.
Fig. 3 C show the workflow diagram 1100 of main control module 102 according to an embodiment of the invention.Fig. 3 B teaches
How to judge whether to meet burn-out condition 4).In one embodiment, speed is to be sentenced by wheel rotation speed signals 168
Disconnected.Being 0 due to speed when vehicle just starts, therefore, this situation is unsatisfactory for burn-out condition always, it is impossible to flame-out.And
When temporary parking, speed is gradually to be kept to 0.In this embodiment, flow chart 1100 can avoid vehicle just to open
Mistake time dynamic is stopped working.In step 1102, judge whether vehicle wheel rotational speed is 0 in the first moment.If being not 0, then enter
Step 1104 postpones.Step 1106 is entered in the second moment.In a step 1106, then judge that whether vehicle wheel rotational speed is
0.If 0, then it is assumed that speed is gradually kept to 0, i.e. meets burn-out condition 4).
In one embodiment, when and being satisfied by when multiple entry conditions after automatic gearshift automobile temporary parking is flame-out, then sentence
Fixed described automatic gearshift automobile needs to be again started up, and multiple entry conditions include:
1) master switch signal represents the master switch of automatic gearshift automobile in an ON state；
2) engine rotational speed signal 162 represents that the electromotor of automatic gearshift automobile is in flameout state；And
3) accelerator pedal signal 164 and brake pedal signal 165 represent that the gas pedal of automatic gearshift automobile is stepped on, or,
Brake pedal status changes.
Application below with reference to the further above-mentioned entry condition of Fig. 3 D.
Fig. 3 D show the workflow diagram of main control module 102 according to an embodiment of the invention.The workflow of Fig. 3 D
The step 318 having schemed corresponding in Fig. 3 A.According to Fig. 3 D, main control module 102 has judged above-mentioned 3 trip bars successively
Part, when above-mentioned 3 conditions are satisfied by when, main control module 102 judges that automatic gearshift automobile needs to start, and lights a fire accordingly
This automatic gearshift automobile.
Advantage is, the control method of the automatic gearshift automobile of the present invention and control system achieve automatic gearshift automobile in temporary parking
Time auto extinguishing, and operator automobile prepare restart time automatic ignition.This improves capacity usage ratio,
Avoid temporary parking when, still consume the energy, decrease the discharge of greenhouse gases.
Fig. 4 show the structure chart of power supply processing unit 204 according to an embodiment of the invention.In one embodiment, electricity
Source processing unit 204 includes power module UP1 and power module UP2.Power module UP1 is by vehicle-mounted 24V normal open power supply
NC+ is converted to 5V regulated power supply, for its affiliated module (such as: main control module 102, anterior information acquisition module 104
With rear portion information acquisition module 106) power supply.The 5V regulated power supply isolation that power module UP1 is exported by power module UP2,
Output 5V voltage stabilizing insulating power supply, for CAN communication circuit.
Fig. 5 show the structure chart of CAN communication unit 210 according to an embodiment of the invention.It is in example at one,
CAN communication unit 210 includes CAN communication chip U2, resistance R13, and electric capacity C14 forms (see figure 4).CAN leads to
Letter line CANH, CANL are connected with CANH pin and the CANL pin of CAN communication chip U2.CAN communication core
The CANG pin of sheet U2 is by the filter circuit ground connection GND of R13, C14 composition.CAN communication chip U2 connects
Receive data-out pin RXD to be connected with CAN reception data pin RXCAN0 of microcontroller.The CAN of microcontroller
Send data pin TXCAN0 to be connected with the data transmission pin TXD of CAN communication chip U2.
Fig. 6 show the structure chart of switching signal processing unit 214 according to an embodiment of the invention.In one embodiment,
Switching signal processing unit 214 includes optocoupler U3, resistance R4, R35 and R14 and electric capacity C3.Resistance R4 and electric capacity
C3 constitutes filter circuit, and optocoupler U3, resistance R35 and R14 constitute isolation circuit, and LED 2 instruction is made
With.Switching signal filters HF noise signal by filter circuit, is drawn by the negative pole that filtered signal is transported to optocoupler U3
Foot.When switching signal disconnects, output high level signal is to microcontroller, and LED2 is the most luminous；When switching signal closes,
Output low level signal is to microcontroller, and LED2 is luminous.
Fig. 7 show the structure chart of analogy signal processing unit 216 according to an embodiment of the invention.In one embodiment,
Analogy signal processing unit 216 includes slide rheostat J4 and ground capacity C16, C17 and C18.Slide rheostat J4
Two ends connect power supply signal, at slide block by analogue signal draw, utilize resistance variations to obtain voltage division signal, defeated at signal
Go out end and connect ground capacity C16, C17 and C18, filter HF noise signal, reduce signal disturbing.
Fig. 8 show the structure chart of pulse signal processing unit 218 or 258 according to an embodiment of the invention.A reality
Executing in example, pulse signal processing unit 218 or 258 includes current-limiting resistance R2, optocoupler U1, pull-up resistor R12, electric capacity
C11 and C12.The CATHODE end of pulse signal input optocoupler U1, and exported by the ENABLE end of optocoupler U1.
Fig. 9 show the structure chart of battery tension signal processing unit 206 according to an embodiment of the invention.A reality
Executing in example, battery tension signal processing unit 206 includes resistor R22, R24 and R25, potentiometer R23, electric capacity
C15, Zener diode D1 and intervalometer U11.When battery tension is higher than setting value, 3 feet of intervalometer U11 are defeated
Go out low level to can ensure that and start next time to microcontroller, expression accumulator electric-quantity, then meeting the feelings of other Rule of judgment
Under condition, microcontroller can send flame-out instruction.When battery tension is less than setting value, the 3 foot outputs of intervalometer U11
High level is to microcontroller, and expression accumulator electric-quantity is it cannot be guaranteed that start next time, then microcontroller can not send flame-out instruction.
By regulator potentiometer R23, thus it is possible to vary the setting value of battery tension detection.
Figure 10 show the structure chart exporting driver element 208 according to an embodiment of the invention.In one embodiment,
Output driver element 208 includes power drive chip UP4.The outfan QD0 of power drive chip UP4 and starting relay
Device input is connected, and outfan QD1 is connected with ignition coil input；IN1 and IN2 of power drive chip UP4 draws
Foot is for receiving the input control signal of microcontroller；STATUS and CUR R pin is feedback of status pin, respectively with
The I/O mouth of microcontroller is connected；The VBAT pin of power drive chip UP4 is power input pin, is connected with accumulator.
Resistance R28 is pull down resistor, is connected with the CUR R pin of power drive chip UP4.R29 is pull-up resistor, with merit
The STATUS pin of rate driving chip UP4 is connected.
Embodiment and accompanying drawing are only the conventional embodiment of the present invention specifically above.Obviously, without departing from claims institute circle
Can there is various supplement on the premise of fixed present invention spirit and invention scope, revise and replace.Those skilled in the art should
Understand, the present invention in actual applications can according to concrete environment and job requirement on the premise of without departing substantially from invention criterion in shape
Formula, structure, layout, ratio, material, element, assembly and other side are varied from.Therefore, enforcement of disclosure at this
Example is merely to illustrate and unrestricted, and the scope of the present invention is defined by appended claim and legal equivalents thereof, and is not limited to this
Front description.
Claims (10)
1. flame-out during an automatic gearshift automobile temporary parking/startup control system, it is characterised in that described control system includes:
Controller local area network (CAN) bus；
The anterior information acquisition module being connected with described CAN bus, described anterior information acquisition module receive with
Described automatic gearshift automobile flame-out master switch signal, gearbox-gear signal and the parking brake signal relevant with startup, institute
State anterior information acquisition module also receive represents described automatic gearshift automobile engine speed engine rotational speed signal, represent described in
Automatic gearshift automobile gas pedal motion accelerator pedal signal, represent the brake pedal that described automatic gearshift automobile brake pedal moves
Signal and represent described automatic gearshift automobile storage battery pressure condition battery tension signal, and by described master switch signal,
Described gearbox-gear signal, described parking brake signal, described engine rotational speed signal, described accelerator pedal signal,
Described brake pedal signal and described battery tension signal are converted into the network information, and to be sent to described controller local area network total
Line；
The rear portion information acquisition module being connected with described CAN bus, described rear portion information acquisition module is used for connecing
Receive the wheel rotation speed signals of the vehicle wheel rotational speed representing described automatic gearshift automobile, and described wheel rotation speed signals is converted into network letter
Breath is sent to described CAN bus；And
The main control module being connected with described CAN bus, for receiving by described CAN bus
Described master switch signal, described gearbox-gear signal, described parking brake signal, described engine rotational speed signal,
Described accelerator pedal signal, described brake pedal signal, described battery tension signal and described wheel rotation speed signals,
Described main control module according to described master switch signal, described gearbox-gear signal, described parking brake signal,
Described engine rotational speed signal, described accelerator pedal signal, described brake pedal signal, described battery tension signal and institute
State wheel rotation speed signals and judge whether described automatic gearshift automobile is in temporary parking state, and produce the according to described judged result
One control signal and the second control signal, to control ignition coil and the starter relay of described automatic gearshift automobile respectively,
Wherein, when described judged result shows that described automatic gearshift automobile is in described temporary parking state, described master control mould
The first control signal and the second control signal that block produces control described ignition coil and described starter relay, with flame-out described
Automatic gearshift automobile；After described automatic gearshift automobile temporary parking is flame-out, when described judged result shows described automatic gearshift automobile
When needing to be again started up, described first control signal and described second control signal that described main control module produces control described point
Fire coil and described starter relay, with described automatic gearshift automobile of lighting a fire.
Flame-out/startup control system during automatic gearshift automobile temporary parking the most according to claim 1, it is characterised in that
When multiple burn-out conditions are satisfied by, described main control module judges that described automatic gearshift automobile is in described temporary parking state, institute
State multiple burn-out condition to include:
1) described master switch signal represents the master switch of described automatic gearshift automobile in an ON state；
2) described gearbox-gear signal and described parking brake signal represent at the gearbox-gear of described automatic gearshift automobile
Normally work in neutral gear and its parking brake, or, described gearbox-gear is in park position；
3) described engine rotational speed signal represents that the electromotor of described automatic gearshift automobile is in idling mode；
4) described wheel rotation speed signals represents that the speed of described automatic gearshift automobile is gradually kept to 0；And
5) described battery tension signal represents that the accumulator electric-quantity of described automatic gearshift automobile starts the most next time.
Flame-out/startup control system during automatic gearshift automobile temporary parking the most according to claim 2, it is characterised in that
When described wheel rotation speed signals represents that the described automatic gearshift automobile vehicle speed value in the first moment is more than 0 and in described first moment
When the vehicle speed value in the second moment afterwards is 0, described main control module judges that the speed of described automatic gearshift automobile is gradually kept to 0,
I.e. meet described burn-out condition 4).
4. according to flame-out during automatic gearshift automobile temporary parking described in Claims 2 or 3/start control system, its feature exists
In, when and being satisfied by when multiple entry conditions after described automatic gearshift automobile temporary parking is flame-out, described main control module judges
Described automatic gearshift automobile needs to be again started up, and the plurality of entry condition includes:
1) described master switch signal represents the master switch of described automatic gearshift automobile in an ON state；
2) described engine rotational speed signal represents that the electromotor of described automatic gearshift automobile is in flameout state；And
3) described accelerator pedal signal and described brake pedal signal represent that the described gas pedal of described automatic gearshift automobile is stepped on
Under, or, described brake pedal status changes.
5. according to flame-out during automatic gearshift automobile temporary parking described in claim 1 or 2 or 3/start control system, it is special
Levying and be, described anterior information acquisition module includes:
The switching signal processing unit being made up of filter circuit and isolation circuit, for described master switch signal, described change
Speed gear box signal and described parking brake signal are filtered and isolation processing；
The analogy signal processing unit being made up of slide rheostat and ground capacity, for accelerator pedal signal described in dividing potential drop and system
Dynamic pedal signal, and filter the accelerator pedal signal after described dividing potential drop and the high frequency noise components in brake pedal signal；
The pulse signal processing unit being made up of current-limiting resistance, photoelectrical coupler, pull-up resistor and electric capacity, is used for receiving described
Engine rotational speed signal；
The battery tension signal processing unit being made up of resistor, potentiometer, electric capacity, Zener diode and intervalometer, uses
In receiving battery tension signal, and judge the voltage status of described accumulator；And
With described switching signal processing unit, described analogy signal processing unit, described pulse signal processing unit and described storage
The microcontroller that battery voltage signal processing unit is connected, the described master switch signal after processing, described change speed gear box
Gear signal, described parking brake signal, described accelerator pedal signal, described brake pedal signal, described electromotor turn
Speed signal and described battery tension signal flow to CAN bus by controller local area network's communication unit.
6. according to flame-out during automatic gearshift automobile temporary parking described in claim 1 or 2 or 3/start control system, it is special
Levying and be, described main control module includes:
Controller local area network's communication unit, for from described CAN bus receive described master switch signal,
Described gearbox-gear signal, described parking brake signal, described accelerator pedal signal, described brake pedal signal, institute
State engine rotational speed signal and described wheel rotation speed signals；And
Output driver element, for being respectively transmitted described first control signal and described second control signal to described ignition lead
Circle and described starter relay.
7. flame-out during an automatic gearshift automobile temporary parking/startup control method, it is characterised in that comprise the following steps:
Receive and the master switch signal that described automatic gearshift automobile is flame-out and startup is relevant, gearbox-gear signal, parking braking
Device signal；
Receive the engine rotational speed signal representing described automatic gearshift automobile engine speed；
Receive the accelerator pedal signal representing the motion of described automatic gearshift automobile gas pedal；
Receive the brake pedal signal representing the motion of described automatic gearshift automobile brake pedal；
Receive the battery tension signal representing described automatic gearshift automobile battery condition；
Receive the wheel rotation speed signals representing described automatic gearshift automobile vehicle wheel rotational speed；
Turn according to described master switch signal, described gearbox-gear signal, described parking brake signal, described electromotor
Speed signal, described accelerator pedal signal, described brake pedal signal, described battery tension signal and described vehicle wheel rotational speed letter
Number judge whether described automatic gearshift automobile is in temporary parking state, and according to described judged result produce the first control signal and
Second control signal, to control ignition coil and the starter relay of described automatic gearshift automobile respectively,
Wherein, when described judged result shows that described automatic gearshift automobile is in described temporary parking state, described master control mould
The first control signal and the second control signal that block produces control described ignition coil and described starter relay, with flame-out described
Automatic gearshift automobile；Described automatic gearshift automobile be in described temporary parking flame-out after, and when described judged result shows described
When automatic gearshift automobile needs to be again started up, described first control signal of described main control module generation and described second control signal
Control described ignition coil and described starter relay, with described automatic gearshift automobile of lighting a fire.
Flame-out/startup control method during automatic gearshift automobile temporary parking the most according to claim 7, it is characterised in that
When multiple burn-out conditions are satisfied by, then judge that described automatic gearshift automobile is in described temporary parking state, the plurality of flame-out
Condition includes:
1) described master switch signal represents the master switch of described automatic gearshift automobile in an ON state；
2) described gearbox-gear signal and described parking brake signal represent at the gearbox-gear of described automatic gearshift automobile
Normally work in neutral gear and its parking brake, or, described gearbox-gear is in park position；
3) described engine rotational speed signal represents that the electromotor of described automatic gearshift automobile is in idling mode；
4) described wheel rotation speed signals represents that the speed of described automatic gearshift automobile is gradually kept to 0；And
5) described battery tension signal represents that the accumulator electric-quantity of described automatic gearshift automobile starts the most next time.
Flame-out/startup control method during automatic gearshift automobile temporary parking the most according to claim 8, it is characterised in that
When described wheel rotation speed signals represents that the described automatic gearshift automobile vehicle speed value in the first moment is more than 0 and in described first moment
When the vehicle speed value in the second moment afterwards is 0, described main control module judges that the speed of described automatic gearshift automobile is gradually kept to 0,
I.e. meet described burn-out condition 4).
During automatic gearshift automobile temporary parking the most according to claim 8 or claim 9 flame-out/start control method, its feature exists
In, when and being satisfied by when multiple entry conditions after described automatic gearshift automobile temporary parking is flame-out, then judge described automatic transmission
Automobile needs to be again started up, and the plurality of entry condition includes:
1) described master switch signal represents the master switch of described automatic gearshift automobile in an ON state；
2) described engine rotational speed signal represents that the electromotor of described automatic gearshift automobile is in flameout state；And
3) described accelerator pedal signal and described brake pedal signal represent that the gas pedal of described automatic gearshift automobile is operated,
Or, described brake pedal status changes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105774813A (en) * | 2014-12-19 | 2016-07-20 | 北汽福田汽车股份有限公司 | Control method and control device for hybrid automobile |
| CN107433920A (en) * | 2016-05-27 | 2017-12-05 | 上海汽车集团股份有限公司 | Control method for vehicle, car body controller, vehicle stops and control device, system |
| CN106545423A (en) * | 2016-10-31 | 2017-03-29 | 浙江吉利控股集团有限公司 | Engine control and device, hybrid vehicle |
| CN109835325B (en) * | 2017-11-29 | 2021-05-14 | 宝沃汽车（中国）有限公司 | Vehicle control method and system and vehicle |
| CN108516466A (en) * | 2018-06-14 | 2018-09-11 | 徐州重型机械有限公司 | Crane control method and crane |
| CN109910860B (en) * | 2019-03-21 | 2020-07-31 | 扬州大学 | Automatic flameout electronic system after automobile parking |
| CN110816515A (en) * | 2019-09-30 | 2020-02-21 | 潍柴动力股份有限公司 | Vehicle flameout prevention control method and vehicle flameout prevention control device |
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