CN206884753U - A kind of automobile CAN speed limit control system - Google Patents
A kind of automobile CAN speed limit control system Download PDFInfo
- Publication number
- CN206884753U CN206884753U CN201720778014.5U CN201720778014U CN206884753U CN 206884753 U CN206884753 U CN 206884753U CN 201720778014 U CN201720778014 U CN 201720778014U CN 206884753 U CN206884753 U CN 206884753U
- Authority
- CN
- China
- Prior art keywords
- speed
- speed limit
- control
- unit
- control unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The utility model discloses a kind of automobile CAN speed limit control system, control unit ECU, speed limit execution unit and CAN instrument including the vehicle speed sensor for collection vehicle real time running velocity information, control engine work, the CAN instrument includes being used to receive and display control unit ECU sends the display unit of signal, transmission unit from signal to described control unit ECU, speed-limiting messages collecting unit and speed limit setup unit for sending.The utility model can obtain the speed limit in section in real time, and speed is limited in the range of speed limit automatically；Meanwhile the mode that setting speed limit also may be selected is limited Vehicle Speed, ensures the security in vehicle travel process；It can be widely applied to automobile, on automobile, realize the security control to speed, there is the characteristics of intelligence degree is high, control operation is convenient, security is good.
Description
Technical field
Technical field of vehicle control is the utility model is related to, more particularly to a kind of automobile CAN speed limit control system,.
Background technology
With the improvement of people's living standards, the people of buying car is more and more, according to the annual accident statistics of traffic department, there is half
Driving accident be all due to that overspeed driving car causes, so situation of the traffic department according to each section, provided with running car
The ban of F-Zero, and it is also different to different road conditions, highest traveling speed per hour.Traffic department to speed-limit road section by carrying out
Monitoring in real time, is punished severely, but the method can not prevent the caused traffic accident that exceeds the speed limit completely to the vehicle driven over the speed limit.
In addition, special road section is only for setting up speed limit direction board or carries out speed monitoring, it is impossible to vehicle is controlled by speed, not using it
His technical measures force driver's speed limit to travel, and driver is possible to exceed the speed limit because of carelessness, and this may also cause traffic accident
Occur.
Utility model content
The purpose of this utility model is solve inconvenient existing control system speed control, security difference and accident rate height
The problem of, there is provided a kind of automobile CAN speed limit control system, in order to the control to speed, security is good, and accident rate is low.
In order to solve the above technical problems, the utility model employs following technical scheme：A kind of automobile CAN Control for Speed Limitation system
System, including vehicle speed sensor for collection vehicle real time running velocity information, control engine work control unit ECU,
Speed limit execution unit and CAN instrument, the output end connection control unit ECU of vehicle speed sensor input, control
The input of unit ECU output end connection speed limit execution unit, the CAN instrument connect control list by CAN network
First ECU, the CAN instrument includes being used to receive and display control unit ECU sends the display unit of signal, for institute
State control unit ECU send signal transmission unit, speed-limiting messages collecting unit and speed limit setup unit, the display unit,
Transmission unit and speed-limiting messages collecting unit connect control unit ECU respectively, and the speed limit setup unit is connected by transmission unit
Control unit ECU is connected to, the speed-limiting messages collecting unit is used for the speed limit for gathering current driving road segment, the speed limit setting
Unit is used to manually set the real-time tachometer value of speed limit or for cancelling the real-time tachometer value of speed limit, and passes through transmission unit
It is sent to control unit ECU.
In above-mentioned technical proposal, further, the speed-limiting messages collecting unit includes being used for collection vehicle travel direction
GPS module with positional information, navigation module and WiFi module for obtaining current road segment speed limit, the GPS module, lead
Model plane block and WiFi module connect control unit ECU respectively.
In above-mentioned technical proposal, further, control panel, the control panel are provided with the CAN instrument
Using touch display screen, touch display screen is shown for real-time speed and the manual input operation of speed limit.
In above-mentioned technical proposal, further, the speed limit execution unit is to be arranged on control engine oil flow
Electrically-controlled valve and ABS brake control modules, the electrically-controlled valve and ABS brake control modules connect control unit ECU respectively.
In above-mentioned technical proposal, further, the speed limit execution unit includes engine controller, motor and use
In the accelerator rod of control Engine Injection Mass, the engine controller connects motor, and the motor is used to control
The displacement of accelerator rod processed.
In above-mentioned technical proposal, further, the speed limit setup unit includes limitation rotational speed control module, the limitation
Rotational speed control module calculates vehicle according to current gearbox-gear, the real-time tachometer value of engine and the real-time rotating speed value information of automobile
Engine speed during hypervelocity, TSC1TE messages are sent by CAN instrument and give control unit ECU, control unit ECU docking
The message received is handled, and obtains being currently needed for the maximum (top) speed value of limitation, and control unit ECU control speed limit execution units make
Engine rotating speed in actual moving process is no more than the speed limit.
The utility model can obtain the speed limit in section in real time by navigation module and GPS module, and automatically limit speed
System is in the range of speed limit；Meanwhile the mode that setting speed limit also may be selected is limited Vehicle Speed, ensures car
Traveling during security；It can be widely applied to automobile, on automobile, realize the security control to speed, there is intellectuality
The characteristics of degree is high, control operation is convenient, security is good.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the block diagram of the utility model.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Such as Fig. 1, a kind of automobile CAN speed limit control system in the present embodiment, including for collection vehicle real time running speed
Vehicle speed sensor, control unit ECU, speed limit execution unit and the CAN instrument of control engine work of information are spent, it is described
The output end connection control unit ECU of vehicle speed sensor input, control unit ECU output end connection speed limit execution unit
Input, the CAN instrument by CAN network connect control unit ECU, the CAN instrument include be used for connect
Receive and display control unit ECU sends the display unit of signal, the transmission list for sending signal to described control unit ECU
Member, speed-limiting messages collecting unit and speed limit setup unit, the display unit, transmission unit and speed-limiting messages collecting unit difference
Control unit ECU is connected, the speed limit setup unit is connected to control unit ECU by transmission unit, and the speed-limiting messages are adopted
Collection unit is used for the speed limit for gathering current driving road segment, and the speed limit setup unit is used to manually set in real time turning for speed limit
Fast value or the real-time tachometer value for cancelling speed limit, and control unit ECU is sent to by transmission unit.
Speed-limiting messages collecting unit is included for the GPS module of collection vehicle travel direction and positional information, for obtaining
The navigation module and WiFi module of current road segment speed limit, the GPS module, navigation module and WiFi module connect control respectively
Unit ECU.
In the present embodiment, control panel is provided with CAN instrument, the control panel uses touch display screen, touches
Display screen is touched to show and the manual input operation of speed limit for real-time speed.
Here speed limit execution unit can be the electrically-controlled valve and ABS brake control moulds for being arranged on control engine oil flow
Block, the electrically-controlled valve and ABS brake control modules connect control unit ECU respectively.
Equally, speed limit execution unit can also use other embodiments, be specially：Including engine controller, driving
Motor and the accelerator rod for controlling Engine Injection Mass, the engine controller connect motor, the driving electricity
Machine is used for the displacement for controlling accelerator rod.
Speed limit setup unit includes limitation rotational speed control module, and the limitation rotational speed control module is according to working as front gear box shelves
Position, the real-time tachometer value of engine and the real-time rotating speed value information of automobile, engine speed during overspeed of vehicle is calculated, it is total by CAN
Line instrument sends TSC1TE messages and gives control unit ECU, control unit ECU to handle the message received, obtains current
The maximum (top) speed value limited is needed, control unit ECU control speed limit execution units make engine rotating speed in actual moving process
No more than the speed limit.
Above-mentioned TSC1TE messages, i.e. moment of torsion/rate limitation transmission system, specifically include circulation time (frequency), CAN marks
Accord with (ID/ addresses), type, byte, position and parameter.
Select the calculation formula of message as follows：
The π R*60/1000 of speed=rotating speed/gearbox-gear/rear axle ratio * 2；
R is tire radius.
Message format such as following table：
Note：Because vehicle can not provide specific digital gear, it is desirable to the ratio (linear) of (speed/rotating speed) as judgement
The foundation of digital gear.
When setting by the way of speed limit, the automobile CAN speed limit control system of above-described embodiment is by the real-time car of automobile
Speed limit is formed under the speed limit set by speed limit setup unit.To make control more hommization, speed limit setup unit is also set up
There is the function of cancelling speed limit, to be used when meeting user's special occasions.
Specifically, in above-mentioned automobile CAN speed limit control system, CAN speed-limiting proposals are the real-time tachometer values by engine
To control the speed of automobile.The real-time tachometer value of engine is passed data to by CAN network again by control unit ECU
CAN instrument (CAN instrument now demarcates rotating speed of target value).Needed for reaching when the real-time tachometer value of engine
Speed limit when, CAN instrument gives signal return to control unit ECU by CAN network again, passes through selectional restriction rotating speed mould
Formula, control unit ECU are handled the message received, obtain being currently needed for the maximum (top) speed value of limitation, engine is in reality
Rotating speed is no more than the speed limit in the running of border, so as to reach the purpose of limit speed.
In the automobile CAN speed limit control system of above-described embodiment, vehicle is real-time according to current gearbox-gear, engine
Tachometer value and the real-time rotating speed value information of automobile, calculate engine speed (citing during overspeed of vehicle：Such as 4 grades, 5 grades can arrive
Up to 100km/h, engine speed 1800rpm during engine speed 2200rpm, 5 grades of 100km/h during 4 grades of 100km/h), pass through
CAN instrument sends TSC1TE messages, and (limit rotating speed/torque mode, moment of torsion are arranged to 100%) reach limit speed to engine
Purpose.
Specification and drawings of the present utility model are considered as illustrative and not restrictive, on the utility model basis
On, those skilled in the art are according to disclosed technology contents, it is not necessary to which performing creative labour can is to some of technologies
Feature makes some and replaces and deform, in the scope of protection of the utility model.
Claims (6)
1. a kind of automobile CAN speed limit control system, including vehicle speed sensor for collection vehicle real time running velocity information, control
Control unit ECU, speed limit execution unit and the CAN instrument of engine work processed, the output end of the vehicle speed sensor connect
Connect control unit ECU input, the input of control unit ECU output end connection speed limit execution unit, the CAN
Instrument connects control unit ECU by CAN network, it is characterised in that：The CAN instrument includes being used to receive and show control
Unit ECU processed sends the display unit of signal, transmission unit from signal to described control unit ECU, speed-limiting messages for sending
Collecting unit and speed limit setup unit, it is single that the display unit, transmission unit and speed-limiting messages collecting unit connect control respectively
First ECU, the speed limit setup unit are connected to control unit ECU by transmission unit, and the speed-limiting messages collecting unit is used for
The speed limit of current driving road segment is gathered, the speed limit setup unit is used to manually set the real-time tachometer value of speed limit or is used for
Cancel the real-time tachometer value of speed limit, and control unit ECU is sent to by transmission unit.
2. automobile CAN speed limit control system according to claim 1, it is characterised in that：The speed-limiting messages collecting unit
Navigation module including the GPS module for collection vehicle travel direction and positional information, for obtaining current road segment speed limit
And WiFi module, the GPS module, navigation module and WiFi module connect control unit ECU respectively.
3. automobile CAN speed limit control system according to claim 1 or 2, it is characterised in that：In the CAN instrument
Control panel is provided with, the control panel uses touch display screen, and touch display screen is shown for real-time speed and speed limit
Manual input operation.
4. automobile CAN speed limit control system according to claim 3, it is characterised in that：The speed limit execution unit is to set
Put the electrically-controlled valve and ABS brake control modules in control engine oil flow, the electrically-controlled valve and ABS brake control modules point
Lian Jie not control unit ECU.
5. automobile CAN speed limit control system according to claim 3, it is characterised in that：The speed limit execution unit includes
Engine controller, motor and the accelerator rod for controlling Engine Injection Mass, the engine controller connection are driven
Dynamic motor, the motor are used for the displacement for controlling accelerator rod.
6. the automobile CAN speed limit control system according to claim 1 or 2,4 or 5, it is characterised in that：The speed limit setting
Unit includes limitation rotational speed control module, and the limitation rotational speed control module turns in real time according to current gearbox-gear, engine
Speed value and the real-time rotating speed value information of automobile, calculate engine speed during overspeed of vehicle, and TSC1TE is sent by CAN instrument
Message gives control unit ECU, control unit ECU to handle the message received, and the maximum for obtaining being currently needed for limitation turns
Speed value, control unit ECU control speed limit execution units make engine rotating speed in actual moving process be no more than the speed limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778014.5U CN206884753U (en) | 2017-06-29 | 2017-06-29 | A kind of automobile CAN speed limit control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778014.5U CN206884753U (en) | 2017-06-29 | 2017-06-29 | A kind of automobile CAN speed limit control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206884753U true CN206884753U (en) | 2018-01-16 |
Family
ID=61298354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778014.5U Active CN206884753U (en) | 2017-06-29 | 2017-06-29 | A kind of automobile CAN speed limit control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206884753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110949130A (en) * | 2019-12-24 | 2020-04-03 | 安徽安凯汽车股份有限公司 | Electronic vision module-based commercial vehicle multi-stage speed limiting system and commercial vehicle |
| CN112549981A (en) * | 2019-09-10 | 2021-03-26 | 宏佳腾动力科技股份有限公司 | Speed limit control system and method for electric locomotive |
-
2017
- 2017-06-29 CN CN201720778014.5U patent/CN206884753U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549981A (en) * | 2019-09-10 | 2021-03-26 | 宏佳腾动力科技股份有限公司 | Speed limit control system and method for electric locomotive |
| CN110949130A (en) * | 2019-12-24 | 2020-04-03 | 安徽安凯汽车股份有限公司 | Electronic vision module-based commercial vehicle multi-stage speed limiting system and commercial vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102167040B (en) | Vehicle running speed control method and device thereof | |
| CN108528268B (en) | Torque adjusting method of electric automobile self-adaptive cruise system | |
| CN104527644B (en) | A kind of adaptive cruise method | |
| US9135759B2 (en) | Driver measurement and incentive system for improving fuel-efficiency | |
| CN105329238B (en) | A kind of autonomous driving vehicle lane-change control method based on monocular vision | |
| CN1118389C (en) | Method for integrated representation of parameters of distance control device | |
| EP2678206B1 (en) | System and method for in-vehicle operator training | |
| CN106803008A (en) | A kind of real-time driving behavior methods of marking and system based on ADAS systems | |
| CN101101702A (en) | Automatic driving system for automobile information sharing between automobile and its control method | |
| CN203254979U (en) | Four-wheel driving and four-wheel steering electronic differential control equipment of electric automobile | |
| CN110386152A (en) | The human-computer interaction display control method and system driven based on L2 grades of intelligence navigators | |
| CN206884753U (en) | A kind of automobile CAN speed limit control system | |
| CN103204180A (en) | Self-adaptive balance steering control method of double-hub motor driving system | |
| CN101607553B (en) | Automotive slipstreaming support system | |
| CN103253265A (en) | Active collision avoidance system and controlling method thereof | |
| CN106004520B (en) | A kind of method for controlling driving speed, control system and electric car | |
| CN106853826A (en) | Hybrid-vehicle control method and device | |
| CN106585426A (en) | Motor torque control method and apparatus | |
| CN106364476A (en) | Driving assistance apparatus for vehicle | |
| CN203324718U (en) | Signal collection and transmission control panel used for vehicle driving simulator | |
| SE539938C2 (en) | Method and system for adjusting the instantaneous speed of a vehicle in relation to the angular velocity of a steering wheel | |
| CN109878519A (en) | A kind of distribution electric drive automobile congestion following control system and method | |
| CN101844583B (en) | Vehicle double steering control method | |
| CN106864450A (en) | vehicle brake control method, device and vehicle | |
| CN203047058U (en) | Single-chip microprocessor-based parking assist device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |