CN204641537U - A kind of rate of braking analysis based on pedal position and forewarn system - Google Patents
A kind of rate of braking analysis based on pedal position and forewarn system Download PDFInfo
- Publication number
- CN204641537U CN204641537U CN201520360706.9U CN201520360706U CN204641537U CN 204641537 U CN204641537 U CN 204641537U CN 201520360706 U CN201520360706 U CN 201520360706U CN 204641537 U CN204641537 U CN 204641537U
- Authority
- CN
- China
- Prior art keywords
- brake lamp
- brake
- braking
- pedal position
- rate
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model discloses a kind of rate of braking analysis based on pedal position and forewarn system, registration of vehicle brake pedal movement travel location information, analyze chaufeur braking manipulation behavior, before vehicle reaches braking manipulation effect, control the early warning signal of brake lamp group instruction corresponding state.Its technical scheme is: to brake pedal position sensor data, car speed sensor data carry out gathering and record, pedal travel velocity variable is calculated by the brake pedal position sensor sampled data in cycle a period of time, according to analytical model preset in Single Chip Microcomputer (SCM) system in conjunction with brake-pedal travel location information, pedal travel velocity variable information and speed information shift to an earlier date the brake operating intention of anticipation chaufeur, left hand brake lamp is controlled finally by brake lamp control module, right side brake lamp is with the early warning signal of often bright or different frequency flash pattern display corresponding state, for vehicle breaking operation provides intention instruction clearly and signal early warning.
Description
Technical field
The utility model belongs to the light warning field under vehicle breaking operation, particularly relates to a kind of rate of braking analysis based on pedal position and forewarn system.
Background technology
Lights of vehicle system mainly refers to headlight assembly and rear lamp assembly, car outer illumination equipment, vehicle interior lighting device, car external signal device, cab singaling equipment Four types is divided into according to practical function, brake lamp belongs to car external signal device, it is the critical component of traffic safety, noting the Warning light of dodging for power actuated vehicle prompting front vehicle when braking, playing the object preventing rear-end collision from occurring.Generally brake lamp is arranged on vehicle tail both sides, and chaufeur steps on brake pedal to a certain extent, and brake lamp is automatically lighted and sent red light, and the vehicle at warning rear prevents from knocking into the back, and during chaufeur loosen the brake, brake lamp extinguishes.
In practical application there is backlash interval in brake pedal, and the motion of this interval inside brake pedal can not cause vehicle to produce braking effect, and brake lamp is in OFF state, loses signal alarm function.How effectively to analyze the motion feature of brake pedal in backlash interval, judge the issuable braking intention of brake pedal in advance, before vehicle does not produce braking action, the signal alarm function of brake lamp is enabled, effectively can extend the emergency handling time of front vehicle.
Night travel or under external lighting conditions rugged environment in addition, front vehicle area of visual field is blocked rear limited by front vehicles, when front vehicles takes brake measure, a kind of pattern is lighted owing to only having brake lamp, front vehicle is caused to take correct counter-measure in time because front vehicles emergency handling pattern can not be understood rapidly, as front vehicles dub braking deceleration time, front vehicle is done identical braking and is accelerated, and what take when front vehicles is that emergency braking keeps away barrier, front vehicle still adopts slow ways of deceleration process, especially very fast in the speed of a motor vehicle, when front and back power actuated vehicle following distance is nearer, traffic accident is very easily caused to occur.
Summary of the invention
The utility model provides a kind of rate of braking analysis based on pedal position and forewarn system, registration of vehicle brake pedal movement travel location information, analyze chaufeur braking manipulation behavior, before vehicle reaches braking manipulation effect, control the early warning signal of brake lamp group instruction corresponding state.
The technical solution of the utility model is: a kind of rate of braking analysis based on pedal position and forewarn system, comprise brake pedal position sensor, car speed sensor, brake lamp control module, stop lamp switch, left hand brake lamp, right side brake lamp, brake lamp control module controls left hand brake lamp, right side brake lamp, stop lamp switch, controlled by brake-pedal travel, signal is provided to brake lamp control module, to open or to close left hand brake lamp, right side brake lamp at assigned address; It is characterized in that: employing Single Chip Microcomputer (SCM) system is control core, and Single Chip Microcomputer (SCM) system connects brake pedal position sensor, car speed sensor respectively; Gather the data of brake pedal movement angle location information and vehicle driving speed;
Single Chip Microcomputer (SCM) system is connected with brake lamp control module by CAN communication network, and the CAN realized between Single Chip Microcomputer (SCM) system and brake lamp control module is transmitted;
In described Single Chip Microcomputer (SCM) system based on the speed of a motor vehicle and in the unit time pedal travel location variation be that preset parameter has multiple rate of braking grade analysis threshold value, the brake pedal position information that the vehicle speed signal that Single Chip Microcomputer (SCM) system transmits car speed sensor, brake pedal position sensor transmit and record, receive speed information and brake pedal position information, calculate pedal travel velocity variable by the brake pedal position sensor sampled data in cycle a period of time; Single Chip Microcomputer (SCM) system combines the pedal travel velocity variable, the speed of a motor vehicle and the multiple rate of braking grade analysis threshold value that calculate and compares, export different drive singal to brake lamp control module, control left hand brake lamp, right side brake lamp with the early warning signal of normal bright or different frequency flash pattern display corresponding state.
Multiple rate of braking grade analysis threshold value is 5, be the first threshold, Second Threshold, the 3rd threshold value, the 4th threshold value, the 5th threshold value that increase successively, first threshold, Second Threshold, the 3rd threshold value, the 4th threshold value, the 5th threshold value are corresponding with weak, more weak, common, stronger, strong five rate of braking grades respectively; The alarm signal indicating status of described left hand brake lamp, described right side brake lamp has five types, be respectively: normal bright type corresponds to weak rate of braking grade, 1 hertz frequency flicker corresponds to more weak rate of braking grade, 1.5 hertz frequency flickers correspond to common rate of braking grade, 2 hertz frequency flickers correspond to comparatively forces fatigue resistance grade, 2.5 hertz frequency flickers correspond to forces fatigue resistance grade, both along with rate of braking grade is deepened, described left hand brake lamp and described right side brake lamp flicker frequency are accelerated, and signal warning function is more obvious.
Single Chip Microcomputer (SCM) system is provided with fault self-diagnosis unit, realizes the fault diagnosis functions to brake pedal position sensor, car speed sensor.
And then, Single Chip Microcomputer (SCM) system is provided with malfunction coding unit, category division, fault partition of the level are realized to the fault status information that described fault self-diagnosis unit inspection has, and realizes failure code establishment according to presetting rule, send driver element finally by described bus and issue failure message.
Described micro controller system is arranged on the bodywork component of front part of vehicle, and described brake lamp control module is arranged on the bodywork component of vehicle tail, is convenient to install and layout.
The beneficial effects of the utility model: by Single Chip Microcomputer (SCM) system to brake pedal position signal, vehicle speed signal carries out gathering and record, calculate pedal travel velocity variable, preset multiple rate of braking grade analysis threshold value compares with pedal travel velocity variable information processed and speed information, send drive singal to brake lamp control module, control left hand brake lamp, right side brake lamp is with the early warning signal of often bright or different frequency flash pattern display corresponding state, for vehicle brake operating under difficult environmental conditions provides intention instruction clearly and signal early warning.The speed-slackening signal state warning application of existing types of motor vehicles should be met based on rate of braking analysis of pedal position and forewarn system, there is feature safe and reliable, applied widely, and show state by the difference of brake lamp group, enrich alarm signal type, achieve chaufeur braking manipulation intention signal transfer function preferably.
Accompanying drawing explanation
Fig. 1 is that the utility model is a kind of based on the rate of braking analysis of pedal position and the schematic diagram of forewarn system;
Fig. 2 is the installation site figure of brake pedal position sensor in Fig. 1 and Single Chip Microcomputer (SCM) system;
Fig. 3 is the schematic diagram of Single Chip Microcomputer (SCM) system in Fig. 1;
Fig. 4 is the schematic diagram of brake lamp control module in figure;
Fig. 5 is the schematic diagram of the brake pedal position sensor signal location in Fig. 1;
Fig. 6 is the braking grade analysis unit algorithm schematic diagram of Fig. 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Composition graphs 1, Fig. 2 is described the utility model: a kind of rate of braking analysis based on pedal position and forewarn system, comprise brake pedal position sensor 1, car speed sensor 2, Single Chip Microcomputer (SCM) system 3, CAN network 4, brake lamp control module 6, stop lamp switch 5, left hand brake lamp 7 and right side brake lamp 8, brake pedal position sensor 1 is arranged on the binding site of brake pedal arm 11 and brake pedal S. A. 10, when brake pedal 12 tramples manipulation behavior, brake pedal arm 11 moves in a circle along brake pedal S. A. 10, the inductive means of Mechanical Driven braking pedal position sensor 1 is synchronized with the movement, gather the electric signal that brake pedal position sensor 1 produces, the movement position information of brake pedal 12 can be described, car speed sensor 2 is responsible for the data of collection vehicle road speed, and CAN network 4 realizes the CAN transmission of numerical information, left hand brake lamp 7 is for showing car brakeing alarm signal, right side brake lamp 8 is for showing car brakeing alarm signal, left hand brake lamp 7 and right side brake lamp 8 keep identical alarm signal state, and stop lamp switch 5 is responsible for gathering brake lamp and is opened and closed status data.Single Chip Microcomputer (SCM) system 3 is arranged on the bodywork component of front part of vehicle, connect brake pedal position sensor 1 respectively, car speed sensor 2 and CAN network 4, gather related data, in Single Chip Microcomputer (SCM) system based on the speed of a motor vehicle and in the unit time pedal travel location variation be that preset parameter has multiple rate of braking grade analysis threshold value, the vehicle speed signal that Single Chip Microcomputer (SCM) system transmits car speed sensor, the brake pedal position information that brake pedal position sensor transmits and record, receive speed information and brake pedal position information, pedal travel velocity variable is calculated by the brake pedal position sensor sampled data in cycle a period of time, Single Chip Microcomputer (SCM) system combines the pedal travel velocity variable, the speed of a motor vehicle and the multiple rate of braking grade analysis threshold value that calculate and compares, after determining rate of braking grade, export different drive singal to brake lamp control module 6, control left hand brake lamp 7, right side brake lamp 8 with the early warning signal of normal bright or different frequency flash pattern display corresponding state.
The refinement principle of Single Chip Microcomputer (SCM) system 3 as shown in Figure 3.Comprise failure diagnosis unit 14, malfunction coding unit 15, brake pedal position data storage cell 16, vehicle speed data collecting unit 17, brake pedal position data acquisition unit 18, pedal travel speed data calculating unit 19, acquisition parameter setting unit 20, braking grade analysis unit 21, bus receives driver element 22, bus sends driver element 23 and core chip 1.
Be described below in conjunction with Fig. 1, Fig. 3: vehicle speed data collecting unit 17 connects car speed sensor 2, realize the data acquisition to car speed sensor 2.Brake pedal position data acquisition unit 18 connects brake pedal position sensor 1, realizes the data acquisition to brake pedal position sensor 1.Bus receives driver element 22 and connects CAN communication network 4, realizes the reception data-transformation facility to CAN communication network 4.Bus sends driver element 23 and connects CAN communication network 4, realizes the transmission data-transformation facility to CAN communication network;
Acquisition parameter setting unit 20 connects brake pedal position data acquisition unit 18, vehicle speed data collecting unit 17 respectively, for arranging acquisition parameter.The parameter such as sampling frequency, sampling precision of the such as data such as car speed sensor 2, brake pedal position sensor 1;
Fault self-diagnosis unit 14 connects vehicle speed data collecting unit 17 and brake pedal position data acquisition unit 18 respectively, realize the fault diagnosis functions of brake pedal position sensor 1, car speed sensor 2, the open circuit of such as brake pedal position sensor 1 signal, short circuit and failure of removal diagnosis;
Malfunction coding unit 15 connects fault self-diagnosis unit 14 respectively and bus sends driver element 23, category division, fault partition of the level are realized to the fault status information that fault self-diagnosis unit 14 detects, and realize failure code establishment according to presetting rule, send driver element 23 finally by bus and issue failure message;
Core chip 1 is for realizing the scheduling and controlling of Single Chip Microcomputer (SCM) system inside.
Being described below in conjunction with Fig. 4: stop lamp switch signal gathering unit 24 connects stop lamp switch 5, being responsible for the acquisition of signal of stop lamp switch 5, controlling for cancelling braking alarm signal under brake pedal release position.Brake lamp module receives driver element 25 and connects CAN communication network 4, realizes the reception data-transformation facility to CAN communication network 4; Brake lamp module sends driver element 26 and connects CAN communication network 4, realizes the transmission data-transformation facility to CAN communication network.Left hand brake lamp driving control unit 28 connects left hand brake lamp 7, for the drived control of left hand brake lamp 7 output state.Right side brake lamp driving control unit 29 connects right side brake lamp 8, for the drived control of right side brake lamp 8 output state.
Be described below in conjunction with Fig. 1, Fig. 3, Fig. 4: brake lamp control unit 27 connects stop lamp switch signal gathering unit 24 respectively, brake lamp module receives driver element 25, brake lamp module sends driver element 26, left hand brake lamp driving control unit 28 and right side brake lamp driving control unit 29.After brake lamp module reception driver element 25 receives the rate of braking level data of Single Chip Microcomputer (SCM) system 3 transmission, pass to brake lamp control unit 27, braking Warning light control signal is generated through Data Analysis, control signal has five types, is respectively: normal bright type corresponds to weak rate of braking grade, 1 hertz frequency flicker corresponds to more weak rate of braking grade, 1.5 hertz frequency flickers correspond to common rate of braking grade, 2 hertz frequency flickers correspond to comparatively forces fatigue resistance grade, 2.5 hertz frequency flickers correspond to and force fatigue resistance grade.The braking Warning light control signal that brake lamp control unit 27 generates transfers to left hand brake lamp driving control unit 28 and right side brake lamp driving control unit 29, realizes the state control of left hand brake lamp, right side brake lamp.Brake lamp control unit 27 state of a control transfers to brake lamp module and sends driver element 26, transfers to rate of braking analysis and warning module 3 through CAN; Core chip 2 41 is for realizing the scheduling and controlling between each chip in brake lamp control module or module.
Fig. 6 have expressed the braking grade analysis unit algorithm principle in Fig. 3, be described below in conjunction with Fig. 3, Fig. 6: pedal travel speed data calculating unit 19, connect brake pedal position data acquisition unit 18, brake pedal position data storage cell 16 respectively, pedal travel velocity variable is calculated, as the data basis that brake pedal follow-up possibility control action is analyzed by brake pedal position data acquisition unit 18 sampled data in cycle a period of time.In data sampling curve, AB section interval table is shown in time cycle 1 scope, corresponding pedal angle is pedal angle variable quantity 1, therebetween there are mapping relations one by one, with the time cycle 1 for the domain of definition, with angle variable quantity 1 for codomain, first according to sample variance point data within the scope of this curve definitions territory, the monotonicity of Critical curve and concavity feature, and the absolute value of AB section angle variable quantity 1 in calculated curve.
Fig. 5 shows the principle of the brake pedal position sensor signal location in Fig. 1, below in conjunction with Fig. 3, Fig. 5, Fig. 6 is described: braking grade analysis unit 21 connects vehicle speed data collecting unit 17 respectively, brake pedal position data acquisition unit 18 and pedal travel speed data calculating unit 19, shift to an earlier date the brake operating intention of anticipation chaufeur in conjunction with brake-pedal travel location information and speed information according to preset multiple rate of braking grade analysis threshold value, chaufeur manipulation brake pedal is divided into weak, more weak, common, stronger, strong five rate of braking grades (multiple rate of braking grade analysis threshold value preferably 5, it is the first threshold increased successively, Second Threshold, 3rd threshold value, 4th threshold value, 5th threshold value, first threshold, Second Threshold, 3rd threshold value, 4th threshold value, 5th threshold value is respectively with weak, more weak, common, stronger, strong five rate of braking grades are corresponding,
Play motion position 30 is the invalid rest position under brake pedal tramples behavior, maximum travel position 33 tramples the range restraining position after behavior for brake pedal, the effective reference position 31 of brake switch for after brake pedal tramples behavior, vehicle brake signal lamp actv. reference position.Cause vehicle to produce braking effect when brake pedal is moved to maximum travel position 33 by play motion position 30, and position vehicle brake signal lamp between the effective reference position of brake switch 31 and maximum travel position 33 is effective.When brake pedal is between play motion position 30 and the effective reference position 31 of brake switch, braking effect is not produced and under vehicle brake signal lamp disarmed state at vehicle, by braking grade analysis unit 21 in conjunction with brake-pedal travel location information, pedal travel velocity variable information and speed information, anticipation is in advance carried out signal lamp warning and is controlled after going out the braking intention of chaufeur manipulation brake pedal, extend the reaction time that front vehicle takes counter-measure;
When brake pedal is between the effective reference position 31 of brake switch and maximum travel position 33, by braking grade analysis unit 21 in conjunction with brake-pedal travel location information, pedal travel velocity variable information and speed information, judge the rate of braking grade of chaufeur manipulation brake pedal accurately: weak, more weak, common, comparatively strong, Qiang Hou, the signal lamp warning of carrying out mating controls, and externally other vehicles transmit the operation intention of chaufeur clearly;
Brake lamp control module 6 is arranged on the bodywork component of vehicle tail, connect stop lamp switch 5, CAN communication network 4, left hand brake lamp 7, right side brake lamp 8 respectively, gather related data, receive and resolve the rate of braking level data that rate of braking analysis and warning module 3 send, controlling brake lamp according to different rate of braking level status and do the warning of corresponding signal;
The refinement principle of brake lamp control module 6 as shown in Figure 4.Comprise stop lamp switch signal gathering unit 24, brake lamp module receives driver element 25, brake lamp module sends driver element 26, brake lamp control unit 27, left hand brake lamp driving control unit 28, right side brake lamp driving control unit 29 and core chip 2 41.
Above-described embodiment is available to those of ordinary skill in the art to realize and uses of the present utility model, those of ordinary skill in the art can when not departing from utility model thought of the present utility model, various modifications or change are made to above-described embodiment, thus utility model scope of the present utility model not limit by above-described embodiment, and should be the maximum range meeting the inventive features that claims are mentioned.
Claims (4)
1. the rate of braking analysis based on pedal position and forewarn system, comprise brake pedal position sensor, car speed sensor, brake lamp control module, stop lamp switch, left hand brake lamp, right side brake lamp, brake lamp control module controls left hand brake lamp, right side brake lamp, stop lamp switch, controlled by brake-pedal travel, signal is provided to brake lamp control module, to open or to close left hand brake lamp, right side brake lamp at assigned address; It is characterized in that: employing Single Chip Microcomputer (SCM) system is control core, and Single Chip Microcomputer (SCM) system connects brake pedal position sensor, car speed sensor respectively; Gather the data of brake pedal movement angle location information and vehicle driving speed;
Single Chip Microcomputer (SCM) system is connected with brake lamp control module by CAN communication network, and the CAN realized between Single Chip Microcomputer (SCM) system and brake lamp control module is transmitted;
In described Single Chip Microcomputer (SCM) system based on the speed of a motor vehicle and in the unit time pedal travel location variation be that preset parameter has multiple rate of braking grade analysis threshold value, the brake pedal position information that the vehicle speed signal that Single Chip Microcomputer (SCM) system transmits car speed sensor, brake pedal position sensor transmit and record, receive speed information and brake pedal position information, calculate pedal travel velocity variable by the brake pedal position sensor sampled data in cycle a period of time; Single Chip Microcomputer (SCM) system combines the pedal travel velocity variable, the speed of a motor vehicle and the multiple rate of braking grade analysis threshold value that calculate and compares, export different drive singal to brake lamp control module, control left hand brake lamp, right side brake lamp with the early warning signal of normal bright or different frequency flash pattern display corresponding state.
2. a kind of rate of braking analysis based on pedal position according to claim 1 and forewarn system, it is characterized in that: multiple rate of braking grade analysis threshold value is 5, be the first threshold, Second Threshold, the 3rd threshold value, the 4th threshold value, the 5th threshold value that increase successively, first threshold, Second Threshold, the 3rd threshold value, the 4th threshold value, the 5th threshold value are corresponding with weak, more weak, common, stronger, strong five rate of braking grades respectively; The alarm signal indicating status of described left hand brake lamp, described right side brake lamp has five types, be respectively: normal bright type corresponds to weak rate of braking grade, 1 hertz frequency flicker corresponds to more weak rate of braking grade, 1.5 hertz frequency flickers correspond to common rate of braking grade, 2 hertz frequency flickers correspond to comparatively forces fatigue resistance grade, 2.5 hertz frequency flickers correspond to forces fatigue resistance grade, both along with rate of braking grade is deepened, described left hand brake lamp and described right side brake lamp flicker frequency are accelerated, and signal warning function is more obvious.
3. a kind of rate of braking analysis based on pedal position according to claim 1 and 2 and forewarn system, it is characterized in that: described Single Chip Microcomputer (SCM) system is provided with fault self-diagnosis unit, realize the fault diagnosis functions to brake pedal position sensor, car speed sensor.
4. a kind of rate of braking analysis based on pedal position according to claim 3 and forewarn system, it is characterized in that: institute's Single Chip Microcomputer (SCM) system is provided with malfunction coding unit, category division, fault partition of the level are realized to the fault status information that described fault self-diagnosis unit inspection has, and realize failure code establishment according to presetting rule, send driver element finally by described bus and issue failure message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360706.9U CN204641537U (en) | 2015-05-30 | 2015-05-30 | A kind of rate of braking analysis based on pedal position and forewarn system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360706.9U CN204641537U (en) | 2015-05-30 | 2015-05-30 | A kind of rate of braking analysis based on pedal position and forewarn system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204641537U true CN204641537U (en) | 2015-09-16 |
Family
ID=54094309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520360706.9U Expired - Fee Related CN204641537U (en) | 2015-05-30 | 2015-05-30 | A kind of rate of braking analysis based on pedal position and forewarn system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204641537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908639A (en) * | 2015-05-30 | 2015-09-16 | 湖北汽车工业学院 | Brake strength analysis and early warning system based on pedal plate position |
| CN109278632A (en) * | 2018-07-31 | 2019-01-29 | 上汽通用汽车有限公司 | Brake lamp control method, storage medium and electronic equipment |
-
2015
- 2015-05-30 CN CN201520360706.9U patent/CN204641537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908639A (en) * | 2015-05-30 | 2015-09-16 | 湖北汽车工业学院 | Brake strength analysis and early warning system based on pedal plate position |
| CN109278632A (en) * | 2018-07-31 | 2019-01-29 | 上汽通用汽车有限公司 | Brake lamp control method, storage medium and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104908639A (en) | Brake strength analysis and early warning system based on pedal plate position | |
| CN103544844B (en) | A kind of driving assistance method avoiding traffic signal violation lamp and system | |
| CN101767539B (en) | Automobile cruise control method and cruise device | |
| CN103481850B (en) | Emergency braking interfering system and method before collision | |
| CN103318176A (en) | Coach self-adaptive cruise control system and control method thereof | |
| CN105751999A (en) | Fully intelligent and fully automatic (unmanned) automobile | |
| CN205632352U (en) | Complete intelligent full -automatic self -driving car | |
| CN103366416A (en) | Vehicle data collecting and transmitting device | |
| CN105083266B (en) | A kind of automobile autocontrol method and automobile is man-machine double drives system | |
| CN103978927A (en) | Automobile brake taillight automatic control system based on forward direction collision avoidance system | |
| CN102849006B (en) | Vehicular intelligent safety warning system | |
| CN202669799U (en) | Control device for preventing misoperation in emergency brake of vehicle | |
| CN101037088A (en) | Method and device for controlling the safe distance between automobiles for the automobile cruising control system | |
| CN105257124A (en) | Car door opening safety assisting device and method | |
| CN105034937B (en) | A kind of automobile intelligent brake method for early warning and device | |
| CN102991412A (en) | Automobile emergency brake alarm system and control method thereof | |
| CN103465888A (en) | Automobile automatic braking system applicable to four types of pavement and control method thereof | |
| CN105128729A (en) | Brake lamp control system based on CAN network and control method thereof | |
| CN102069785A (en) | Safety zebra crossing system based on infrared code checking technology | |
| CN204641537U (en) | A kind of rate of braking analysis based on pedal position and forewarn system | |
| CN103802757A (en) | Automobile safety control system | |
| CN203211284U (en) | Automobile rear-ending avoidance device | |
| CN106828295A (en) | Brake lamp and brake lamp system | |
| CN202448979U (en) | Safe-running intelligent warning system for automobile | |
| CN203047253U (en) | Collision avoidance device base don self-adaptive cruise system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20170530 |