CN107117030A - A kind of vehicle active speed limit control system and control method - Google Patents
A kind of vehicle active speed limit control system and control method Download PDFInfo
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- CN107117030A CN107117030A CN201710225602.0A CN201710225602A CN107117030A CN 107117030 A CN107117030 A CN 107117030A CN 201710225602 A CN201710225602 A CN 201710225602A CN 107117030 A CN107117030 A CN 107117030A
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- speed
- speed limit
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- pattern
- limiting function
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
Abstract
The invention discloses a kind of vehicle active speed limit control system and control method, it is related to vehicle security drive control field.The system includes steering wheel control button, speed limit acquisition module, overrunning governor and engine.Steering wheel control button is used to select one kind in normal running mode, general speed limit pattern and map speed limit pattern.Speed limit acquisition module is used to obtain speed limit.Overrunning governor is used for according to functional mode, with reference to real-time vehicle speed value and speed limit, and vehicle automatic speed-limiting function is realized after integrated treatment and calculating.The present invention can independently select to include any of normal running mode, general speed limit pattern and map speed limit pattern as needed, and selection is flexible, and various control pattern free switching is convenient and swift.When selecting map speed limit pattern, the speed limit volitional check speed in GPS navigation main frame realizes system automatic speed-limiting function, improves driving facility, effectively reduces violation or traffic accident that hypervelocity is caused.
Description
Technical field
The present invention relates to vehicle security drive control field, more particularly to a kind of vehicle active speed limit control system and control
Method processed.
Background technology
With the development of automobile industry, vehicle security drive technology is also gradually ripe.Speed of the existing road to automobile
Limitation is more and more also to become increasingly complex, and many drivers less pay attention to for road planning, and speed open it is increasingly faster, one
Aspect easily causes traffic accident, causes very big potential safety hazard, or even occurs and threaten life security problem；On the other hand
Speed limit as defined in being well over causes violating the regulations, it is necessary to deducted points, imposed a fine, driving license is revoked in more serious meeting, to human pilot band
Carry out very big trouble.
Automobile on the market possesses speed limiting function mostly at present, but the speed limiting function is essentially all autonomous based on driver
Speed limit is set to realize the adjustment to car speed.This kind of mode can only exceed the speed limit that driver independently sets in vehicle
When automatically adjust car speed, it is to avoid more than speed limit.However, defined speed limit often constantly becomes on difference road now
Change, or even local speed limit different on same path is also being continually changing, if over road speed limit it is different without
The disconnected speed limit independently set of changing can be bothered very.Therefore, the speed limiting system of prior art can only set a highest limit
Speed value, human pilot is carried out from main regulation speed according to the speed limit prompting in navigation or speed(-)limit sign, it is difficult to accomplish vehicle certainly
Dynamic speed limiting function.
The content of the invention
It is an object of the present invention to provide a kind of vehicle active speed limit control system and control method, free switching is different
Functional mode, while speed can be automatically adjusted according to speed limit with avoid in driving procedure exceed speed limit and violate regulation
Or cause traffic accident.
Especially there is provided a kind of vehicle active speed limit control system, including：
Steering wheel control button, for selection function pattern, the functional mode includes normal running mode and speed limit work(
Energy pattern, wherein, the speed limiting function pattern includes general speed limit pattern and map speed limit pattern；
Speed limit acquisition module, for obtaining speed limit；
Overrunning governor, it includes being used to obtain the velocity sensor of the real-time vehicle speed value of the vehicle；The speed limit control
Device processed is used for the functional mode selected according to the steering wheel control button, with reference to the real-time vehicle speed value and the speed limit,
Control instruction is sent after integrated treatment and calculating, to realize the vehicle automatic speed-limiting function；With
Engine, based on the control instruction, controls the vehicle operation；
Wherein, the overrunning governor is configured to：
When receiving the steering wheel control button selection normal running mode, the overrunning governor is directly controlled
Normal vehicle operation processed；
Select the speed limiting function pattern when receiving the steering wheel control button, and in real time vehicle speed value be not more than it is described
During speed limit, the overrunning governor directly controls normal vehicle operation；
The speed limiting function pattern is selected when receiving the steering wheel control button, and vehicle speed value is more than the limit in real time
During speed value, engine described in the overrunning governor autonomous control reduces distributive value, reduction speed until real-time speed is not more than
The speed limit.
Further, the system also includes：
Gas pedal, for accelerating to vehicle, so that the normal vehicle operation；
The accelerator pedal sensor in the gas pedal is arranged at, signal is trampled for obtain the gas pedal；
And
The overtaking switch in the gas pedal is arranged at, it is configured to when vehicle is in the speed limiting function pattern and needs
When overtaking other vehicles temporarily, the overtaking switch after being triggered the vehicle be directly entered the normal running mode, speed limiting function mould
Formula is suspended, when overtake other vehicles end after, reopened by the manually actuated steering wheel control button into the speed limiting function mould
Formula.
Further, the speed limit acquisition module includes GPS navigation main frame and speed setting module, the GPS navigation
Main frame is used to, when vehicle is in map speed limit pattern, the first speed limit in navigation map is obtained in real time；The speed setting
Module is used to, when vehicle is in general speed limit pattern, manually set the second speed limit.
Further, in addition to combination instrument, real-time speed and the speed limit are shown in real time, and send flickering display；
Alternatively, in addition to speed change setting button, exist for increasing or reducing the vehicle by depresses button
The second speed limit during general speed limit pattern, it is configured to when the depresses button duration being less than 1s, and button stepping is 1KM/
It is secondary, it is more than 1s when the depresses button duration, then button stepping is 5KM/ times.
Further, the overrunning governor includes：
Engine control module, for sending control signal to engine, controls the operating of the engine, wherein, institute
Velocity sensor is stated to be integrated in the engine control module；And
Speed limiting function module, for receive from the speed limit acquisition module, accelerator pedal sensor, overtaking switch and
The signal of velocity sensor, outputed signal to after being handled and being calculated the engine control module be further sent out it is described
Control instruction is to control the engine to operate.
Further, the speed limiting function module includes：
Input block, for receiving the speed limiting function status information sent from the steering wheel control button, and is transmitted
To CPU；
Signal gathering unit, speed limit acquisition module, accelerator pedal sensor and the overtaking switch are come from for receiving
Signal, be transferred to the CPU；
CPU, the signal of the input block and the signal gathering unit, processing are come from for receiving
And send signal after calculating；
Man-machine interaction unit, is carried out for the real-time vehicle speed value and the signal of speed limit that are shown by the combination instrument
Operation, and by signal output to CPU；With
Signal output unit, for receiving the signal from the central processing module and exporting to the engine
Control module.
Further, the overrunning governor is configured to：
When the vehicle selects to enter the speed limiting function pattern by normal running mode by steering wheel control button
Real-time speed when being more than the speed limit, speed limiting function pattern is not immediately entered, until the real-time vehicle speed value is not more than limit
During speed value, automatically into speed limiting function pattern.
Especially, the present invention also provides a kind of vehicle active speed-limiting control method, comprises the following steps：
Step S10, manually selects functional mode, and the functional mode includes normal running mode and speed limiting function pattern,
Wherein, the speed limiting function pattern includes general speed limit pattern and map speed limit pattern；
Step S20, senses real-time speed and speed limit；
Step S30, the comparison of real-time speed and speed limit is combined based on the functional mode, judges whether that sending speed limit refers to
Order；Wherein, when vehicle is more than speed limit in speed limiting function pattern, and real-time vehicle speed value, speed limit instruction is sent, is not otherwise sent out
Go out speed limit instruction；
Step S40, based on speed limit instruction, volitional check speed.
Further, when not sending speed limit instruction, the vehicle directly tramples gas pedal control hair by human pilot
Motivation drives it to run.
Further, the speed limit of the general speed limit pattern by setting manually；
The speed limit of the map speed limit pattern is directly from the speed limit in GPS navigation main frame.
The present invention can independently select to include in normal running mode, general speed limit pattern and map speed limit pattern as needed
Any functional mode, selection is flexible, and various control pattern can be convenient and swift with free switching；When selection map speed limit mould
During formula, speed limit volitional check speed that can be in GPS navigation main frame is no more than the speed limit, it is not necessary to human pilot
Speed is adjusted, system automatic speed-limiting is realized, the convenience driven is improved, it is ensured that vehicle safe driving, hypervelocity is effectively reduced and makes
Into violation or traffic accident.
The present invention is additionally provided with overspeed switch in gas pedal, when needing to be exceeded the speed limit under speed limit pattern, opens
Overspeed switch, then speed limit pattern temporarily cease, can be exceeded the speed limit by trampling gas pedal, hypervelocity terminate after, pass through direction
Disk control button selects limiting vehicle speed pattern.Not only avoid perplexing caused by it can not exceed the speed limit under speed limit pattern, while also being driven
The personnel of sailing bring very big convenience, it is not necessary to handoff functionality pattern back and forth.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.In accompanying drawing：
Fig. 1 is the structural representation of the vehicle active speed limit control system provided according to one embodiment of the invention；
Fig. 2 is the vehicle active speed-limiting control method flow chart of steps provided according to one embodiment of the invention；
Fig. 3 is the control logic of the vehicle active speed limit control system workflow provided according to one embodiment of the invention
Figure.
Embodiment
The vehicle safety control system that the present invention is provided is further described below in conjunction with the accompanying drawings.
Fig. 1 shows the structural representation for the vehicle active speed limit control system that the present embodiment is provided.The control system bag
Include：Steering wheel control button 1, speed limit acquisition module 2, overrunning governor 5 and engine 6.
The steering wheel control button 1 is used for selection function pattern, and the functional mode includes normal running mode and limit
Fast functional mode, wherein, the speed limiting function pattern includes general speed limit pattern and map speed limit pattern.
The speed limit acquisition module 2 is used to obtain speed limit.
The overrunning governor 5 includes being used to obtain the velocity sensor of the real-time vehicle speed value of the vehicle.The speed limit
Controller 5 is used for the functional mode selected according to the steering wheel control button 1, with reference to the real-time vehicle speed value and the speed limit
Control instruction is sent after value, integrated treatment and calculating, to realize the vehicle automatic speed-limiting function.The engine 6 is based on institute
Control instruction is stated, the vehicle operation is controlled.
Wherein, the overrunning governor 5 is configured to：
When receiving the steering wheel control button 1 and selecting the normal running mode, the overrunning governor 5 is direct
Control normal vehicle operation.The speed limiting function pattern, and vehicle speed value in real time are selected when receiving the steering wheel control button 1
No more than the speed limit when, the overrunning governor 5 directly controls normal vehicle operation.Controlled when receiving the steering wheel
Button 1 selects the speed limiting function pattern, and when vehicle speed value is more than the speed limit in real time, and the overrunning governor 5 is from master control
Make the engine and reduce distributive value, reduction speed until real-time speed is not more than the speed limit.
The vehicle active speed limit control system of the present embodiment can independently select to include normal running mode as needed, general
Any of speed limit pattern and map speed limit pattern functional mode, selection are flexible, and various control pattern can be with free switching, side
Just it is quick；When selecting map speed limit pattern, speed limit volitional check speed that can be in GPS navigation main frame 32 is no more than
The speed limit, it is not necessary to which human pilot is sparing of one's energy from main regulation speed, violation or cause that effectively reduction hypervelocity is caused
Accident.
System also includes gas pedal 4, accelerator pedal sensor 41 and overtaking switch 42 in the present embodiment.Gas pedal 4
For accelerating to vehicle, so that the normal vehicle operation.Accelerator pedal sensor 41 is arranged in the gas pedal 4, is used
Signal is trampled in the acquisition gas pedal 4.Overtaking switch 42 is arranged in the gas pedal 4, and it is configured to work as vehicle
In the speed limiting function pattern and when needing interim overtake other vehicles, the vehicle is directly entered institute after the overtaking switch 42 is triggered
State normal running mode, speed limiting function mode puases, when overtake other vehicles end after, pass through the manually actuated steering wheel control button 1
Reopen into the speed limiting function pattern.If it is special or tight to run into some during speed limiting function pattern downward driving
Anxious situation, human pilot needs to overtake other vehicles temporarily, but this occurrence of may very sudden too late manual switching function
Pattern.Therefore the present invention sets an overtaking switch 42 in the pedal bottom of system.When needing to be exceeded the speed limit under speed limit pattern
When, overspeed switch 42 is opened, then speed limit pattern is temporarily ceased, and can be exceeded the speed limit by trampling gas pedal 4, hypervelocity terminates
Afterwards, limiting vehicle speed pattern is selected by steering wheel control button 1.Not only avoid caused by it can not be exceeded the speed limit under speed limiting function pattern
Puzzlement, while also bringing very big convenience to human pilot, it is not necessary to handoff functionality pattern back and forth.
The speed limit acquisition module includes GPS navigation main frame 32 and speed setting module 31, the GPS navigation main frame 32
For when vehicle is in map speed limit pattern, the first speed limit in navigation map to be obtained in real time.The speed setting module
31 are used to, when vehicle is in general speed limit pattern, manually set the second speed limit.When the vehicle is in general speed limit pattern
Speed limit acquisition modes during with map speed limit pattern are different, it is therefore desirable to obtain different speed limits in different modes.
When vehicle is in map speed limit pattern, speed limit is obtained without input, system directly from GPS navigation main frame.Existing car
Or mobile phone in it is general all contain GPS navigator, therefore it is very convenient to obtain the first speed limit, and can real-time update, without
It is artificial to change.
System also includes combination instrument 7 in the present embodiment, and real-time speed and speed limit are shown in real time, and it is aobvious to send flicker
Show.The situation for flickering display occur is that under speed limiting function state, the real-time speed of the vehicle is more than the speed limit, just sends out
Go out flickering display.Certain flickering display is only a kind of prompting, and the transport condition of warning host vehicle needs to be adjusted.As
Other embodiment, can be changed as sending alarm and vibration reminding, or three combination two-by-two or be that three is same
When exist.Reasonably selected with cost according to the actual needs.
The system also includes speed change and sets button, for increasing or reducing the vehicle by depresses button one
As speed limit pattern when the second speed limit, its be configured to when the depresses button duration be less than 1s when, button stepping be 1KM/ times,
It is more than 1s when the depresses button duration, then button stepping is 5KM/ times.Because general speed limit state needs one speed limit of setting i.e.
Second speed limit, needs to be manually entered into system during second speed limit, and the size of the second speed limit be can be according to reality
Border need be adjusted, therefore in the system be provided with speed change setting button, can by press speed change set button come
The size of the second speed limit is adjusted, so that accomplish flexibly to limit the second speed limit, it is convenient and swift.
As a kind of embodiment, the overrunning governor 5 of the system includes：Engine control module 51 and speed limit work(
Can module 52.The engine control module 51 is used to send control signal to engine 6, controls the operating of the engine 6,
Wherein, the velocity sensor is integrated in the engine control module 51.The speed limiting function module 52, comes for receiving
From the signal of the speed limit acquisition module 2, accelerator pedal sensor 41, overtaking switch 42 and velocity sensor, handled
The control instruction is further sent out to control described start with the engine control module 51 is outputed signal to after calculating
Machine 6 is operated.
As specific embodiment, the speed limiting function module 52 includes：Input block 521, signal gathering unit
522nd, CPU 523, man-machine interaction unit 525 and signal output unit 524.Input block 521 comes from for reception
The speed limiting function status information that the steering wheel control button 1 is sent, and it is transferred to CPU 523.Signal acquisition list
Member 522, which is used to receive to come to be used to receive, comes from speed limit acquisition module 2, accelerator pedal sensor 41 and the overtaking switch 42
Signal, be transferred to the CPU 523.CPU 523 comes from the input block 521 for reception
With the signal of the signal gathering unit 522, handle and send signal after calculating.Man-machine interaction unit 525 is used for by described
The speed and the signal of speed limit that combination instrument 7 is shown are operated, and by signal output to CPU 523.Signal
Output unit 524 is used to receive the signal from the CPU 523 and export to control mould to the engine
Block 51.
The overrunning governor 5 is when the system is in normal running mode, for engine 6 without any Control for Speed Limitation
Effect, only receives and engine 6 is directly passed to after the signal from gas pedal 4, make engine 6 with the signal of gas pedal 4
Acceleration and deceleration are carried out to vehicle.When the vehicle starts general speed limit pattern, the overrunning governor 5 is received from speed setting
The size of second speed limit of module 31, relatively more real-time speed and the second speed limit, if speed is more than the described second limit in real time
Speed is worth, then the overrunning governor 5 issues instructions to the engine control module 51, and it is straight that control engine 6 reduces distributive value
When being not more than the second speed limit to real-time speed, vehicle acceleration and deceleration are directly controlled by gas pedal 4.When the vehicle starts map
During speed limit pattern, the overrunning governor 5 receives the first speed limit in GPS navigation main frame 2, relatively more real-time speed and the
The size of one speed limit, if speed is more than first speed limit in real time, the overrunning governor 5 issues instructions to described
Engine control module 51, control engine 6 reduces distributive value until when real-time speed is not more than the first speed limit, being stepped on by throttle
Plate 4 directly controls vehicle acceleration and deceleration.The control of the overrunning governor 5 is very sensitive, can accomplish to car in different modes
Speed is accurately controlled.The mode of the distributive value of the overrunning governor 5 control engine 6 is：Control the solar term before engine
The aperture of door, when in speed limiting function pattern, when real-time speed is more than speed limit (the first speed limit or the second speed limit), it is necessary to
Reduce throttle opening when deceleration makes vehicle deceleration so as to reduce distributive value.
At some in particular cases, the overrunning governor 5 may be configured to：When the vehicle passes through steering wheel control
Real-time speed when button 1 selects to enter the general speed limit pattern or map speed limit pattern by normal running mode is more than institute
When stating speed limit, general speed limit pattern or map speed limit pattern are not immediately entered, until when speed is less than speed limit, entering automatically
Enter speed limit pattern.Because vehicle is suddenly switching to speed limit pattern (including general speed limit mould by human pilot by normal running mode
Formula and map speed limit pattern) when, it is inevitable if entered directly into speed limit pattern if now real-time speed is high compared with speed limit
Vehicle can be caused to slow down suddenly, if speed is very high, danger can be easily caused suddenly by slowing down.This kind of configuration mode of the present embodiment
The incidence of peril can be greatly reduced.
Fig. 2 shows the step flow chart of vehicle active speed-limiting control method.
As shown in Fig. 2 the vehicle active speed-limiting control method of the present invention, comprises the following steps：
S10, manually selects functional mode, and the functional mode includes normal running mode and speed limiting function pattern, wherein,
The speed limiting function pattern includes general speed limit pattern and map speed limit pattern；
S20, senses real-time speed and speed limit；
S30, the comparison of real-time speed and speed limit is combined based on the functional mode, judges whether to send speed limit instruction；
Wherein, when vehicle is more than speed limit in speed limiting function pattern, and real-time vehicle speed value, speed limit instruction is sent, is not otherwise sent
Speed limit is instructed；
S40, based on speed limit instruction, volitional check speed.
When do not send speed limit instruction when, the vehicle directly controlled according to gas pedal 4 (referring to Fig. 1) engine 6 (referring to
Fig. 1) drive operation.The speed limit of the general speed limit pattern by setting manually.The speed limit of the map speed limit pattern is straight
Fetch from the speed limit in GPS navigation main frame 2 (referring to Fig. 1).
Not sending speed limit instruction has following situation, and (1) vehicle is in normal running mode.Or (2) vehicle is in one
As speed limit pattern, and in real time speed be not more than general speed limit pattern manual setting speed limit；Or (3) vehicle is in map
Speed limit pattern, and speed is not more than the speed limit limited in car borne GPS navigation main frame 2 in real time.When not sending instruction, the car
Normal operation, the regulation speed of gas pedal 4 is trampled by human pilot.
The control logic figure for the workflow that Fig. 3 provides for the inventive method embodiment.As shown in figure 3, vehicle is actively limited
The WorkFlow Managerment logic of speed control system is as follows：After engine 6 (referring to Fig. 1) igniting, System self-test, without the system failure
Then enter active speed limit control system.Manually select functional mode, choose whether enter speed limiting function pattern, if do not select into
Entering speed limiting function pattern, then vehicle drives the control normal vehicle operation of engine 6 by gas pedal 4 (referring to Fig. 1).When selection limit
Fast functional mode, can there is two kinds of speed limiting function patterns of general speed limit pattern and map speed limit pattern.If selecting general speed limit
Pattern, then be manually entered the second speed limit.The overrunning governor 5 compares real-time speed and the second speed limit being manually entered
Size, now, if speed is more than the second speed limit in real time, carries out speed limit, otherwise into normal running mode to vehicle.If
Map speed limit pattern is selected, then more real-time speed and the size of the first speed limit in GPS navigation main frame 2 (referring to Fig. 1).This
When, real-time speed is more than the first speed limit, then speed limit is carried out to vehicle, otherwise into normal running mode.Certainly, speed limit it
Afterwards, when real-time speed is more than the speed limit, then speed limit state lasts up to real-time speed and is not more than the speed limit.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of vehicle active speed limit control system, including：
Steering wheel control button, for selection function pattern, the functional mode includes normal running mode and speed limiting function mould
Formula, wherein, the speed limiting function pattern includes general speed limit pattern and map speed limit pattern；
Speed limit acquisition module, for obtaining speed limit；
Overrunning governor, it includes being used to obtain the velocity sensor of the real-time vehicle speed value of the vehicle, the overrunning governor
It is comprehensive with reference to the real-time vehicle speed value and the speed limit for the functional mode selected according to the steering wheel control button
Control instruction is sent after processing and calculating, to realize the vehicle automatic speed-limiting function；With
Engine, based on the control instruction, controls the vehicle operation；
Wherein, the overrunning governor is configured to：
When receiving the steering wheel control button selection normal running mode, the overrunning governor directly controls car
Normally travel；
The speed limiting function pattern is selected when receiving the steering wheel control button, and vehicle speed value is not more than the speed limit in real time
During value, the overrunning governor directly controls normal vehicle operation；
The speed limiting function pattern is selected when receiving the steering wheel control button, and vehicle speed value is more than the speed limit in real time
When, engine described in the overrunning governor autonomous control reduce distributive value, reduction speed until real-time speed be not more than it is described
Speed limit.
2. vehicle active speed limit control system according to claim 1, it is characterised in that：
Also include：
Gas pedal, for accelerating to vehicle, so that the normal vehicle operation；
The accelerator pedal sensor in the gas pedal is arranged at, signal is trampled for obtain the gas pedal；And
The overtaking switch in the gas pedal is arranged at, it is configured to when vehicle is in the speed limiting function pattern and needs to face
When overtaking other vehicles, the overtaking switch after being triggered the vehicle be directly entered the normal running mode, speed limiting function pattern is temporary
Stop, when overtake other vehicles end after, reopened by the manually actuated steering wheel control button into the speed limiting function pattern.
3. vehicle active speed limit control system according to claim 1 or 2, it is characterised in that：
The speed limit acquisition module includes GPS navigation main frame and speed setting module, and the GPS navigation main frame is used to work as vehicle
During in map speed limit pattern, the first speed limit in navigation map is obtained in real time；The speed setting module is used to work as vehicle
During in general speed limit pattern, the second speed limit is manually set.
4. the vehicle active speed limit control system according to any one of claim 1-3, it is characterised in that：
Also include combination instrument, real-time speed and the speed limit are shown in real time, and send flickering display；
Alternatively, in addition to speed change setting button, for increasing or reducing the vehicle by depresses button general
The second speed limit during speed limit pattern, it is configured to when the depresses button duration being less than 1s, and button stepping is 1KM/ times, when
The depresses button duration is more than 1s, then button stepping is 5KM/ times.
5. the vehicle active speed limit control system according to any one of claim 2-4, it is characterised in that：
The overrunning governor includes：
Engine control module, for sending control signal to engine, controls the operating of the engine, wherein, the speed
Sensor integration is spent in the engine control module；And
Speed limiting function module, the speed limit acquisition module, accelerator pedal sensor, overtaking switch and speed are come from for receiving
The signal of sensor, outputs signal to the engine control module after being handled and being calculated and is further sent out the control
Instruct to control the engine to operate.
6. vehicle active speed limit control system according to claim 5, it is characterised in that：
The speed limiting function module includes：
Input block, for receiving the speed limiting function status information sent from the steering wheel control button, and is transferred to
Central Processing Unit；
Signal gathering unit, for receiving the letter from speed limit acquisition module, accelerator pedal sensor and the overtaking switch
Number, it is transferred to the CPU；
CPU, the signal of the input block and the signal gathering unit is come from for receiving, handles and counts
Signal is sent after calculation；
Man-machine interaction unit, is grasped for the real-time vehicle speed value and the signal of speed limit that are shown by the combination instrument
Make, and by signal output to CPU；With
Signal output unit, engine control is given for receiving the signal from the central processing module and exporting
Module.
7. the vehicle active speed limit control system according to any one of claim 1-6, it is characterised in that：
The overrunning governor is configured to：
Reality when the vehicle selects to enter the speed limiting function pattern by normal running mode by steering wheel control button
When speed when being more than the speed limit, speed limiting function pattern is not immediately entered, until the real-time vehicle speed value is not more than speed limit
When, automatically into speed limiting function pattern.
8. a kind of vehicle active speed-limiting control method, comprises the following steps：
Step S10, manually selects functional mode, and the functional mode includes normal running mode and speed limiting function pattern, wherein,
The speed limiting function pattern includes general speed limit pattern and map speed limit pattern；
Step S20, senses real-time speed and speed limit；
Step S30, the comparison of real-time speed and speed limit is combined based on the functional mode, judges whether to send speed limit instruction；
Wherein, when vehicle is more than speed limit in speed limiting function pattern, and real-time vehicle speed value, speed limit instruction is sent, is not otherwise sent
Speed limit is instructed；
Step S40, based on speed limit instruction, volitional check speed.
9. vehicle active speed-limiting control method according to claim 8, it is characterised in that
When not sending speed limit instruction, the vehicle directly tramples gas pedal by human pilot and controls engine to drive it to transport
OK.
10. vehicle active speed-limiting control method according to claim 9, it is characterised in that
The speed limit of the general speed limit pattern by setting manually；
The speed limit of the map speed limit pattern is directly from the speed limit in GPS navigation main frame.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703559A (en) * | 2017-10-25 | 2019-05-03 | 上海汽车集团股份有限公司 | A kind of limiting vehicle speed method of controlling security and device |
| CN110001413A (en) * | 2019-04-19 | 2019-07-12 | 天津易众腾动力技术有限公司 | A variety of speed limit mode control methods in vehicle control unit of electric vehicle |
| CN110576856A (en) * | 2019-09-16 | 2019-12-17 | 宁波吉利汽车研究开发有限公司 | Speed determination method and device under self-adaptive cruise state and automobile |
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| CN113593456A (en) * | 2021-07-20 | 2021-11-02 | 山西世恒铁路技术有限公司 | Movable multifunctional electronic signal board for railway and control system and control method thereof |
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| CN113879121B (en) * | 2021-10-29 | 2024-03-15 | 江铃汽车股份有限公司 | Automobile adjustable speed limiting control system and method |
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