CN104989540B - A kind of limiting vehicle speed control device and its control method - Google Patents
A kind of limiting vehicle speed control device and its control method Download PDFInfo
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- CN104989540B CN104989540B CN201510438637.3A CN201510438637A CN104989540B CN 104989540 B CN104989540 B CN 104989540B CN 201510438637 A CN201510438637 A CN 201510438637A CN 104989540 B CN104989540 B CN 104989540B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
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Abstract
A kind of limiting vehicle speed control device and its control method, including：Instrument control module, car body control module is connected to by CAN, is stored with speed speed limit；Vehicle speed sensor, is connected to instrument control module, and it handles vehicle speed sensor signal and calculates current vehicle speed；Engine speed sensor, is connected to instrument control module, and it handles engine speed sensor signal and calculates present engine rotating speed and send to car body control module；And magnetic valve, its control end is connected to car body control module, and engine oil cutting-off device is connected to compressed air source unit through magnetic valve.Max. speed limitation system hardware realizes that vehicle is increased without any device by engine cut-out device, and its advantage is vehicle cost free pressure.Continue step on the accelerator during limiting vehicle speed, engine also will not continue to oil spout, and fuel economy is good.
Description
Technical field
The present invention relates to technical field of automobile electronic control, and in particular to a kind of limiting vehicle speed control device and its controlling party
Method.
Background technology
In the prior art, known technology is that driver directly controls brake gear to be braked or points out driver to enter
Row brake,, may if driver does not touch on the brake in time because of distraction or other odjective causes to reach speed limit purpose
Cause accident.Current every country has been limited and required to automobile speed according to the characteristics of different geographical, and such as China exists
Most of section on the highways such as provincial highway, national highway, small-sized passenger car speed limit 120km/h, other motor vehicle speed limits
100km/h.Currently still relatively low, related to the vehicle safety performance particularly serious friendship of the safety specifications of Chinese large-sized size passenger/cargo
Interpreter's event ratio is higher.The safety specifications of motorbus, medium-heavy truck and High speed vehicle are properly increased for this, are improved
The operational safety performance of such motor vehicle, to better ensure that traffic safety.
The content of the invention
The present invention is in order to overcome the shortcomings of that above technology can realize the vehicle of limiting vehicle speed function automatically there is provided a kind of
Speed-limiting control device and its control method.
The technical scheme that the present invention overcomes its technical problem to be used is：
Module of meter control, car body control module is connected to by CAN, is stored with speed speed limit；
Vehicle speed sensor, is connected to instrument control module, and it handles vehicle speed sensor signal and calculates current vehicle speed；Hair
Motivation speed probe, is connected to instrument control module, and it handles engine speed sensor signal and calculates current power
Machine rotating speed is simultaneously sent to car body control module；
And magnetic valve, its control end is connected to car body control module, and engine oil cutting-off device is connected to gas through magnetic valve
Source device；
When needing speed limit, car body control module control electromagnetism valve events make engine oil cutting-off device be connect with compressed air source unit
It is logical.
In order to further improve security, in addition to it is connected to the transmission neutral switch of car body control module.
In order to further improve security, in addition to it is connected to the clutch switch of car body control module.
A kind of limiting vehicle speed control method, comprises the following steps：
A) vehicle characteristics coefficient and limiting vehicle speed value are write into instrument control module, and by engine speed during limiting vehicle speed
Limit value writes car body control module；
B) instrument control module receives the signal of vehicle speed sensor, according to formulaCalculate
Vehicle velocity V elicle Speed, whereinF is the frequency of vehicle speed sensor, and k is every kilometer of vehicle speed sensor production
Raw umber of pulse, C is that vehicle speed sensor turns around the umber of pulse of generation, and i is gearbox axle-drive reduction ratio, and R is the rolling of tire
Radius, i' is the primary speed-down ratio of gearbox, when vehicle velocity V elicle Speed are more than limiting vehicle speed value, then instrument control mould
Block sends limiting vehicle speed order by CAN to car body control module；
C) instrument control module receives the signal of engine speed sensor, according to formulaMeter
Calculation draws the current rotating speed Engine Speed of engine, and sends engine speed, formula to car body control module by CAN
Middle f is the frequency of engine speed sensor；
D) when car body control module receives the speed limit order of instrument control module transmission, while receiving instrument control
The present engine rotating speed Engine Speed that module is sent, if more than the engine speed limit value of setting, Body Control mould
Block controls electromagnetism valve events, and engine oil cutting-off device is connected with compressed air source unit, the work of engine oil cutting-off device, realizes vehicle certainly
Dynamic Control for Speed Limitation.
In order to prevent neutral gear from sliding, security is improved, car body control module obtains gearbox by transmission neutral switch
When gearbox is located at non-neutral position state and engine speed Engine Speed are more than starting for setting in neutral signal, step d)
During machine rotational speed limit, car body control module control electromagnetism valve events.
In order to prevent neutral gear from sliding, security is improved, car body control module obtains clutch position by clutch switch
In signal, step d) high level state and engine speed are in when gearbox is located at non-neutral position state, clutch position signal
When Engine Speed are more than the engine speed limit value set, car body control module control electromagnetism valve events.
For the ease of reminding human pilot, when limiting vehicle speed, instrument control module carries out acousto-optic and synchronously alarmed.
In order to further improve in security, step a) after limiting vehicle speed value write-in instrument control module, user can not face
When or permanent heighten speed limit or delete speed limit.
When solenoid valve failure, instrument control module synchronizes display solenoid valve failure information.
The beneficial effects of the invention are as follows：Due in system car body control module according to current vehicle speed and setting max. speed
Limitation, to realize limiting vehicle speed control, logic control is simple, and stability is high, and max. speed limitation system hardware is by starting
What machine oil cutting-off device was realized, vehicle is increased without any device, and its advantage is vehicle cost free pressure, continues to step on during limiting vehicle speed
Accelerator pedal is stepped on, engine also will not continue to oil spout, and fuel economy is good, effectively increase security and the reduction of driver
Labor intensity.
Brief description of the drawings
Fig. 1 is structure principle chart of the invention；
Fig. 2 is gas circuit structure schematic diagram of the invention；
In figure, the transmission neutral switch 5. of 1. vehicle speed sensor, 2. engine speed sensor, 3. car body control module 4. from
The engine oil cutting-off device of 8. compressed air source unit of clutch switch 6. instrument control module, 7. magnetic valve 9..
Embodiment
Below in conjunction with the accompanying drawings 1, the present invention will be further described for accompanying drawing 2.
Module of meter control 6, car body control module 3 is connected to by CAN, is stored with speed speed limit；Speed
Sensor 1, is connected to instrument control module 6, and it handles vehicle speed sensor signal and calculates current vehicle speed；Engine speed is passed
Sensor 2, is connected to instrument control module 6, and it handles engine speed sensor signal and calculates present engine rotating speed simultaneously
Send to car body control module 3；And magnetic valve 7, its control end is connected to car body control module 3, and engine oil cutting-off device 9 is passed through
Magnetic valve 7 is connected to compressed air source unit 8；When needing speed limit, the control magnetic valve 7 of car body control module 3 is acted, and makes engine oil-break
Device (9) is connected with compressed air source unit (8).Engine stop fuel feeding is realized, max. speed limitation system hardware is by engine
What cut-out device was realized, vehicle is increased without any device, and its advantage is vehicle cost free pressure.Continue to trample during limiting vehicle speed
Accelerator pedal, engine also will not continue to oil spout, and fuel economy is good.
Further, it can also include being connected to the transmission neutral switch 4 of car body control module 3 and be connected to vehicle body
The clutch switch 5 of control module 3.Car body control module 4 detection transmission neutral switch 4 and clutch switch 5 in real time
Signal condition, only meet when gearbox gear be in neutral position state and clutch position signal be in high level state i.e. from
When clutch is in drive state, in the case of exceeding the speed limit, car body control module 3 just controls magnetic valve 7 to act, and prevents automobile
Ride the clutch oil-break causes the generation of dangerous situation.
The invention further relates to a kind of limiting vehicle speed control method, comprise the following steps：A) by vehicle characteristics coefficient and vehicle
Speed limit write-in instrument control module 6, and engine speed limit value during limiting vehicle speed is write into car body control module 3；
B) instrument control module 6 receives the signal of vehicle speed sensor 1, according to formulaCalculate
Go out vehicle velocity V elicle Speed, whereinF is the frequency of vehicle speed sensor 1, and k is every kilometer of speed sensing
The umber of pulse that device 1 is produced, C is that vehicle speed sensor 1 turns around the umber of pulse of generation, and i is gearbox axle-drive reduction ratio, and R is tire
Rolling radius, i' is the primary speed-down ratio of gearbox, when vehicle velocity V elicle Speed are more than limiting vehicle speed value, then instrument
Control module 6 sends limiting vehicle speed order by CAN to car body control module 3；
C) instrument control module 6 receives the signal of engine speed sensor 2, according to formula
The current rotating speed Engine Speed of engine are calculated, and engine is sent to car body control module 3 by CAN and are turned
F is the frequency of engine speed sensor 2 in speed, formula；
D) when car body control module 3 receives the speed limit order of the transmission of instrument control module 6, while receiving instrument control
The present engine rotating speed Engine Speed that molding block 6 is sent, if more than the engine speed limit value of setting, Body Control
The control magnetic valve 7 of module 3 is acted, and engine oil cutting-off device 9 is connected with compressed air source unit 8, engine oil cutting-off device 9 works, real
Existing vehicle automatic speed-limiting control.Because car body control module 3 is limited according to current vehicle speed and the max. speed of setting in system, come
Limiting vehicle speed control is realized, logic control is simple, and stability is high, max. speed limitation system hardware is filled by engine oil-break
Realization is put, vehicle is increased without any device, its advantage is vehicle cost free pressure, continue to trample acceleration during limiting vehicle speed and step on
Plate, engine also will not continue to oil spout, and fuel economy is good, effectively increases the security of driver and reduces work by force
Degree.Car body control module 3 is obtained in transmission neutral signal, step d) when gearbox is positioned at non-by transmission neutral switch 4
When neutral position state and engine speed Engine Speed are more than the engine speed limit value set, car body control module 3 is controlled
Magnetic valve 7 is acted.Vehicle is carried out engine oil-break only in the case of non-neutral gear, prevent ride the clutch, improve peace
Quan Xing.Further, car body control module 3 is obtained in clutch position signal, step d) by clutch switch 5 works as gearbox
High level state is in positioned at non-neutral position state, clutch position signal and engine speed Engine Speed are more than what is set
During engine speed limit value, the control magnetic valve 7 of car body control module 3 is acted.Only vehicle is in neutral gear and clutch is located at transmission
Engine oil-break could be carried out under state, security is further increased.
When limiting vehicle speed, instrument control module 6 carries out acousto-optic and synchronously alarmed, to have reminded driver's Current vehicle in time
Through driving over the speed limit.Further, in step a) after limiting vehicle speed value write-in instrument control module 6, user can not be temporarily or permanently
Property heighten speed limit or delete speed limit, to prevent user from changing without authorization, further improve the security used.Work as electromagnetism simultaneously
During 7 failure of valve, instrument control module 6 synchronizes the display fault message of magnetic valve 7, in order to which driver can learn in time.
Claims (6)
1. a kind of limiting vehicle speed control method, it is characterised in that comprise the following steps：
A) vehicle characteristics coefficient and limiting vehicle speed value are write into instrument control module (6), and by engine speed during limiting vehicle speed
Limit value write-in car body control module (3)；
B) instrument control module (6) receives the signal of vehicle speed sensor (1), according to formulaCalculate
Go out vehicle velocity V elicle Speed, whereinF is the frequency of vehicle speed sensor (1), and k is that every kilometer of speed is passed
The umber of pulse that sensor (1) is produced, C is that vehicle speed sensor (1) turns around the umber of pulse of generation, and i is gearbox axle-drive reduction ratio, R
For the rolling radius of tire, i' is the primary speed-down ratio of gearbox, when vehicle velocity V elicle Speed are more than limiting vehicle speed value,
Then instrument control module (6) sends limiting vehicle speed order by CAN to car body control module (3)；
C) instrument control module (6) receives the signal of engine speed sensor (2), according to formula
The current rotating speed Engine Speed of engine are calculated, and engine is sent to car body control module (3) by CAN and are turned
F is the frequency of engine speed sensor (2) in speed, formula；
D) when car body control module (3) receives the speed limit order of instrument control module (6) transmission, while receiving instrument control
The present engine rotating speed Engine Speed that molding block (6) is sent, if more than the engine speed limit value of setting, vehicle body control
Molding block (3) control magnetic valve (7) action, engine oil cutting-off device (9) is connected with compressed air source unit (8), engine oil-break dress
(9) work is put, realizes that vehicle automatic speed-limiting is controlled.
2. limiting vehicle speed control method according to claim 1, it is characterised in that：Car body control module (3) passes through speed change
Case neutral switch (4) is obtained in transmission neutral signal, step d) when gearbox is located at non-neutral position state and engine speed
When Engine Speed are more than the engine speed limit value set, car body control module (3) control magnetic valve (7) action.
3. limiting vehicle speed control method according to claim 2, it is characterised in that：Car body control module (3) passes through clutch
Device switch (5) is obtained in clutch position signal, step d) when gearbox is in positioned at non-neutral position state, clutch position signal
When high level state and engine speed Engine Speed are more than the engine speed limit value set, car body control module (3)
Control magnetic valve (7) action.
4. limiting vehicle speed control method according to claim 1, it is characterised in that：When limiting vehicle speed, instrument control mould
Block (6) carries out acousto-optic and synchronously alarmed.
5. limiting vehicle speed control method according to claim 1, it is characterised in that：Limiting vehicle speed value writes instrument in step a)
After module of meter control (6), user can not temporarily or permanently heighten speed limit or delete speed limit.
6. limiting vehicle speed control method according to claim 4, it is characterised in that：When magnetic valve (7) failure, instrument control
Molding block (6) synchronizes display magnetic valve (7) fault message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510438637.3A CN104989540B (en) | 2015-07-23 | 2015-07-23 | A kind of limiting vehicle speed control device and its control method |
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| CN201510438637.3A CN104989540B (en) | 2015-07-23 | 2015-07-23 | A kind of limiting vehicle speed control device and its control method |
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| CN104989540A CN104989540A (en) | 2015-10-21 |
| CN104989540B true CN104989540B (en) | 2017-07-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401461B (en) * | 2017-09-25 | 2023-04-07 | 安徽合力股份有限公司 | External engine speed limiter |
| CN114370343B (en) * | 2022-01-18 | 2023-06-23 | 杭叉集团股份有限公司 | Industrial vehicle control method, system and instrument based on self-adaptive communication |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259648A (en) * | 2011-05-06 | 2011-11-30 | 中国重汽集团济南动力有限公司 | Control method for speed limit of AMT (Automatic Mechanical Transmission) type vehicle |
| CN103129493A (en) * | 2013-03-12 | 2013-06-05 | 中国重汽集团济南动力有限公司 | Control method and control device used for power takeoff of AMT vehicle |
| CN103568841A (en) * | 2013-11-15 | 2014-02-12 | 浙江工贸职业技术学院 | Direct-injection type fuel oil motor vehicle speed limiting control system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4240117C2 (en) * | 1992-11-28 | 2003-09-25 | Bosch Gmbh Robert | Method and device for speed limitation of vehicles |
| CN201923045U (en) * | 2010-11-25 | 2011-08-10 | 浙江吉利汽车研究院有限公司 | Automobile head-up display device based on CAN (controller area network) transmission |
| CN102556067A (en) * | 2011-12-30 | 2012-07-11 | 上海博泰悦臻电子设备制造有限公司 | Vehicle speed-limiting control system |
| CN102529852B (en) * | 2012-02-03 | 2014-11-19 | 三一汽车制造有限公司 | Vehicle and vehicle speed signal processing system |
| CN203067104U (en) * | 2013-02-05 | 2013-07-17 | 中国重汽集团济南动力有限公司 | Speed-limiting control device of non-electric-controlled engine |
| JP2015206303A (en) * | 2014-04-21 | 2015-11-19 | ボッシュ株式会社 | Fuel injection cut-off control apparatus and method during operation of vehicle speed limiting device |
| CN204166381U (en) * | 2014-11-07 | 2015-02-18 | 中国重汽集团济南动力有限公司 | A kind of city slag vehicles driving supervising device |
| CN204360204U (en) * | 2015-01-27 | 2015-05-27 | 中国重汽集团济南动力有限公司 | A kind of controller with limiting vehicle speed function |
-
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- 2015-07-23 CN CN201510438637.3A patent/CN104989540B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259648A (en) * | 2011-05-06 | 2011-11-30 | 中国重汽集团济南动力有限公司 | Control method for speed limit of AMT (Automatic Mechanical Transmission) type vehicle |
| CN103129493A (en) * | 2013-03-12 | 2013-06-05 | 中国重汽集团济南动力有限公司 | Control method and control device used for power takeoff of AMT vehicle |
| CN103568841A (en) * | 2013-11-15 | 2014-02-12 | 浙江工贸职业技术学院 | Direct-injection type fuel oil motor vehicle speed limiting control system |
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