CN105774641B - A kind of active safety system shown based on multistage brake taillight and its implementation - Google Patents
A kind of active safety system shown based on multistage brake taillight and its implementation Download PDFInfo
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- CN105774641B CN105774641B CN201410779880.7A CN201410779880A CN105774641B CN 105774641 B CN105774641 B CN 105774641B CN 201410779880 A CN201410779880 A CN 201410779880A CN 105774641 B CN105774641 B CN 105774641B
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Abstract
The present invention relates to a kind of active safety systems shown based on multistage brake taillight, including signal output apparatus（1）, signal pickup assembly（2）, information circuits device（3）, actuator（4）And controlled device（5）, signal output apparatus（1）Including brake（6）And sensor, signal pickup assembly（2）Pass through entire car controller（9）Acquire signal, information circuits device（3）By gateway（10）And it is connected to gateway（10）The power can bus at both ends（11）With comfortable can bus（12）It constitutes, actuator（4）Pass through car body controller（13）It receives signal and executes movement, controlled device（5）Including level-one brake lamp（14）With multistage brake lamp（15）；The present invention can allow rear car driver rapidly and accurately to judge that the driving intention of front truck driver ensure that the driving safety of vehicle, reduce rear-end collision odds to carry out more accurate brake effect in advance.
Description
Technical field
The present invention relates to brake system technical field, specifically a kind of active peace shown based on multistage brake taillight
Total system and its implementation.
Background technique
As the fast and stable of Domestic Automotive Industry develops, more and more automotive safety problems are valued by the people,
Rear-end collision in middle car steering can all occupy very big ratio every year, most generation case be all because front truck because
Emergency carries out braking of bringing to a halt, and rear car can only take corresponding braking by relative distance variation is visually observed, if sentenced
It is disconnected to make a fault, it is easy to rear-end collision occur, cause the loss of life, property safety.
Chinese patent Authorization Notice No. CN 201133590Y, discloses a kind of brake lamp, sets only with complicated circuit
For meter to carry out taillight control, there are Stable Defects, and are easy to damage under the influence of automobile inductive load, and structure is complicated
Cost increases.202686107 U of Chinese patent Authorization Notice No. CN discloses a kind of brake lamp that can show the brake depth
System, using brake analytical equipment, detection device of braking, then all by can bus transfer to brake lamp controller thus
Multistage brake lamp is controlled, existing defect is：Whole system complexity is high, and using can Communication Control taillight, there are can reports
Literary risk of missing, increases burden to power can system, while increasing brake lamp controller etc., whole system cost be difficult into
Row control.
Summary of the invention
A kind of active shown based on multistage brake taillight is provided present invention aim to solve above-mentioned deficiency
Security system and its implementation can allow rear car driver rapidly and accurately to judge the driving intention of front truck driver, to mention
It is preceding to carry out more accurate brake effect, it ensure that the driving safety of vehicle, reduce rear-end collision odds.
A kind of active safety system shown based on multistage brake taillight, including signal output are designed to achieve the above object
Device 1, signal pickup assembly 2, information circuits device 3, actuator 4 and controlled device 5, the signal output apparatus 1 include system
Dynamic device 6, sensor 1 and sensor 28, the signal pickup assembly 2 acquire signal, the information by entire car controller 9
Loop apparatus 3 is by gateway 10 and is connected to the power can bus 11 at 10 both ends of gateway and comfortable can bus 12 is constituted, described
Actuator 4 receives signal by car body controller 13 and executes movement, and the controlled device 5 includes level-one brake lamp 14 and multistage
The switching signal output end of brake lamp 15, the brake 6 connects level-one brake lamp 14, the brake 6 by sensor 1
Analog signal output entire car controller 9 is connected by sensor 28, the output end of the entire car controller 9 connects power
Can bus 11, the power can bus 11, gateway 10, comfortable can bus 12 establish information transmitting circuit, the comfortable can
The output end of bus 12 connects car body controller 13, and the output end of the car body controller 13 connects multistage brake lamp 15, described
Brake 6, sensor 1, level-one brake lamp 14 constitute common tail-light control system, the sensor 28, entire car controller
9, power can bus 11, gateway 10, comfortable can bus 12, car body controller 13, multistage brake lamp 15 constitute multistage taillight control
System processed, the common tail-light control system and multistage taillight control system are mutually indepedent.
The information is passed back to routing entire car controller 9 and acquires analog signal and be packaged into CAN message signal, by gateway 10
By power can bus 11 acquire CAN message signal, and carry out unpack re-group package after, be transferred to by comfortable can bus 12
Car body controller 13.
The taillight lamp group of the multistage brake lamp 15 contains at least two the above car light.
The taillight lamp group of the multistage brake lamp 15 is a gradient color car light.
A kind of implementation method of the active safety system shown based on multistage brake taillight, is included the following steps：
1) brake has two paths of signals output, is all the way switching signal, when driver steps on brake pedal, switching signal quilt
It activates, the level-one brake lamp in common tail-light control system is lit；Another way is analog signal, and analog signal is according to brake
The different depth that treads in of pedal changes output signal, and entire car controller acquires the analog signal, and is packaged into CAN message signal；
2) gateway acquires CAN message signal by power CAN bus, then carries out unpacking and re-groups package, then by comfortable
CAN bus is transmitted to car body controller, establishes information transmitting circuit；
3) circuit is transmitted by information, car body controller receives signal command, and according to letter different in can message signals
Number, light the multistage brake lamp in multistage taillight control system；
4) when driver's gradually releasing of brake pedal, according to the above-mentioned mode of intelligence transmission, level-one brake lamp is put out at once
It goes out, multistage brake lamp is gradually extinguished, and until brake pedal discharges completely, multistage brake lamp then extinguishes completely.
The present invention is compared with the existing technology, structure novel, simple, design rationally, due to the base in former automotive control system
Gateway apparatus is increased on plinth, is established information transmitting circuit, is realized with lower cost and higher reliability to existing
Brake system improves optimization, reinforces active safety using multistage brake lamp is classified, eventually by signal output apparatus, signal
Acquisition device, information circuits device, actuator and controlled device realize multistage brake active safety function, so that rear car be allowed to drive
The person of sailing can rapidly and accurately judge the driving intention of front truck driver, to carry out more accurate brake effect in advance, protect
Vehicle driving safety is demonstrate,proved, rear-end collision odds is reduced.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
In figure：1, signal output apparatus 2, signal pickup assembly 3, information circuits device 4, actuator 5, controlled device
6, brake 7, sensor 1, sensor 29, entire car controller 10, gateway 11, power can bus 12, comfortable can
Bus 13, car body controller 14, level-one brake lamp 15, multistage brake lamp.
Specific embodiment
The present invention is made with reference to the accompanying drawing further explained below：
As shown in Fig. 1, the present invention includes：Signal output apparatus 1, information circuits device 3, executes signal pickup assembly 2
Device 4 and controlled device 5, signal output apparatus 1 include brake 6, sensor 1 and sensor 28, and signal pickup assembly 2 is logical
It crosses entire car controller 9 and acquires signal, information circuits device 3 is by gateway 10 and is connected to the power can bus at 10 both ends of gateway
11 and comfortable can bus 12 constitute, actuator 4 is received by car body controller 13 and signal and executes movement, and controlled device 5 includes
Level-one brake lamp 14 and multistage brake lamp 15, the switching signal output end of brake 6 connect level-one brake lamp by sensor 1
14, the analog signal output of brake 6 connects entire car controller 9 by sensor 28, and the output end of entire car controller 9 connects
Power can bus 11 is connect, power can bus 11, gateway 10, comfortable can bus 12 establish information transmitting circuit, and comfortable can is total
The output end of line 12 connects car body controller 13, and the output end of car body controller 13 connects multistage brake lamp 15, and brake 6 passes
Sensor 1, level-one brake lamp 14 constitute common tail-light control system, i.e. level-one brake light control system；It is sensor 28, whole
Vehicle controller 9, power can bus 11, gateway 10, comfortable can bus 12, car body controller 13, multistage brake lamp 15 constitute more
Grade taillight control system, the i.e. strong and weak horizontal taillight control system of prompt brake, the two systems are independent of each other independently of each other, i.e.,
The failure of multistage taillight control system does not interfere with original brake system；The taillight lamp group of the multistage brake lamp 15 includes at least
More than two car lights, or can be a gradient color car light, that is, taillight lamp group can be multiple car lights, with the quantity lighted
It indicates the weight that vehicle touches on the brake, or if indicating the brake depth without using multiple car lights, can also be changed into one gradually
Change colour car light, indicates the weight that vehicle touches on the brake with the brightness of gradient color car light；Wherein, information is passed back to routing entire car controller
9 acquisition analog signals are simultaneously packaged into CAN message signal, acquire CAN message signal by power can bus 11 by gateway 10, and
Carry out unpack re-group package after, car body controller 13 is transferred to by comfortable can bus 12.
The present invention is that the multistage warning lamp controlled for motor vehicle and non-motor vehicle brake system and control system is actively pacified
The analog signal of total correlation, the output of status condition brake pedal can connect entire car controller VCU, while brake pedal has one
A digital output modul directly controls brake lamp, and the modulating signal that makes to brake guarantees very high real-time and stability, and the present invention be
It improves and optimizes on original brake system, reinforce active safety function using multistage brake lamp is classified.
The present invention acquires the demand braking force message that entire car controller VCU is issued in power can bus by gateway, to report
Text carries out solution package-restructuring, carries out digital quantity conversion to analog signals, is converted to respective numbers according to taillight switch amount demand
Then position signal reassembles into can message, the car body controller BCM being sent in comfortable can bus, car body controller can be according to net
It closes the position signal sent and carries out taillight control, to realize the control of multistage brake lamp.It realizes and is stepped on when driver steps on brake
Plate, the brake lamp of former automobile can also be highlighted according to original logic, while the braking of different depth is stepped on according to driver
Pedal, car body controller BCM can control taillight and carry out multistage highlight.
The present invention increases gateway apparatus on the basis of former automotive control system and establishes information circuits, is turned by information
Hair equipment realizes the braking information that front truck is preferably conveyed to rear car driver at lower cost, improves the active of car steering
Safety reduces rear-end collision odds.
Automobile usually can all have entire car controller VCU and car body controller BCM at this stage, but lack brake signal
The information circuits device of transmission, increasing gateway apparatus can establish transmitting information circuits, and firewall is arranged in gateway, into one
Step guarantees the safety and stability of control network, and usual gateway can also be integrated with instrument controller, be played identical
Better integrated level is acted on and possesses, so structure of the invention system and device can be very good control cost.Vehicle is modified simultaneously
Body controller BCM logic and output terminal interface, increasing multistage brake lamp can be realized the purpose of multistage brake, and whole system is excellent
Change at low cost, system dependability height.
The implementation method of the active safety system of the present invention shown based on multistage brake taillight, including following step
Suddenly：In signal output apparatus, brake usually has two paths of signals output, a respectively path switching signal, when driver steps on
Lower brake pedal will be by signal activation, when switching signal is activated, the level-one brake lamp meeting in common tail-light control system
It is immediately lit, at this moment if driver only gently touches on the brake, conventional brake lamp is highlighted.Another way is analog signal, according to not
Same brake pedal depth can export the analog signals such as 0-5V or 0-2.5V.Analog signal can be stepped on according to brake pedal is different
Enter depth and change output signal (0-5v or 0-2.5v), entire car controller VCU can acquire this road analog signal and be then packaged as
CAN message signal, gateway information loop apparatus acquire CAN message signal by power CAN bus, are then unpacked group again
Packet, then car body controller BCM is transmitted to by comfortable CAN bus, it is established that information transmits circuit.Circuit is transmitted by information,
Car body controller BCM will receive signal command, further according to signal different in can message, light in multistage taillight control system
Different number multistage brake lamp, realize actuator control controlled device.It is same to believe when driver gradually loosens the brake
Number can gradually it be extinguished according to the above-mentioned mode of intelligence transmission, multistage brake lamp, it is more until driver discharges brake pedal completely
Grade brake lamp then extinguishes completely, and level-one brake lamp extinguishes, and completes the process of release brake pedal, and entire control flow is same as above.
In the present invention, taillight lamp group can carry out different magnitude of change according to specific demand, such as：If necessary to incite somebody to action
Brake force is divided into four grades, removes former vehicle and brakes car light, it is also necessary to which external 3 lamp sources form lamp group, then by stepping on to brake
The output analog signal of plate is classified, and carries out light on and off control to second level, three-level, level Four taillight respectively, theoretical to brake
Pedal signal is subdivided into four grades.If necessary to further accurately display brake taillight effect, can to taillight lamp group into
Row expands, and taillight lamp group can also be changed to gradient color car light and shown.That is, taillight lamp group quantity can carry out according to demand
Change, if demand is N grades, needing external taillight quantity is N-1.Or if indicating the brake depth without using multiple taillights,
Taillight can also be changed to gradual change aspect.
Claims (2)
1. a kind of active safety system shown based on multistage brake taillight, it is characterised in that：Including signal output apparatus (1),
Signal pickup assembly (2), information circuits device (3), actuator (4) and controlled device (5), signal output apparatus (1) packet
Brake (6), sensor one (7) and sensor two (8) are included, the signal pickup assembly (2) is acquired by entire car controller (9)
Signal, the information circuits device (3) is by gateway (10) and is connected to the power can bus (11) at gateway (10) both ends and relaxes
Suitable can bus (12) are constituted, and the actuator (4) receives signal by car body controller (13) and executes movement, described controlled
Equipment (5) includes level-one brake lamp (14) and multistage brake lamp (15), and the switching signal output end of the brake (6) passes through biography
Sensor one (7) connects level-one brake lamp (14), and the analog signal output of the brake (6) is connected by sensor two (8)
The output end of entire car controller (9), the entire car controller (9) connects power can bus (11), the power can bus
(11), gateway (10), comfortable can bus (12) establish information transmitting circuit, the output end connection of the comfortable can bus (12)
Car body controller (13), the output end of the car body controller (13) connect multistage brake lamp (15), and the brake (6) passes
Sensor one (7), level-one brake lamp (14) constitute common tail-light control system, the sensor two (8), entire car controller (9),
Power can bus (11), gateway (10), comfortable can bus (12), car body controller (13), multistage brake lamp (15) composition are more
Grade taillight control system, the common tail-light control system and multistage taillight control system are mutually indepedent, the information transmitting
Circuit acquires analog signal by entire car controller (9) and is packaged into CAN message signal, passes through power can bus by gateway (10)
(11) acquire CAN message signal, and carry out unpack re-group package after, car body controller is transferred to by comfortable can bus (12)
(13), the taillight lamp group of the multistage brake lamp (15) contains at least two the taillight lamp of car light or the multistage brake lamp (15)
Group is a gradient color car light, and the gateway (10) is Gateway device.
2. the implementation method for the active safety system that one kind is shown based on multistage brake taillight as described in claim 1, special
Sign is, includes the following steps：
1) brake has two paths of signals output, is all the way switching signal, and when driver steps on brake pedal, switching signal is swashed
Living, the level-one brake lamp in common tail-light control system is lit；Another way is analog signal, and analog signal is stepped on according to brake
The different depth that treads in of plate changes output signal, and entire car controller acquires the analog signal, and is packaged into CAN message signal；
2) gateway acquires CAN message signal by power CAN bus, then carries out unpacking and re-groups package, then total by comfortable CAN
Line is transmitted to car body controller, establishes information transmitting circuit；
3) circuit being transmitted by information, car body controller receives signal command, and according to signal different in can message signals,
Light the multistage brake lamp in multistage taillight control system；
4) when driver's gradually releasing of brake pedal, according to the above-mentioned mode of intelligence transmission, multistage brake lamp is gradually extinguished, directly
It is discharged completely to brake pedal, multistage brake lamp then extinguishes completely, and level-one brake lamp is extinguished at once.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410779880.7A CN105774641B (en) | 2014-12-17 | 2014-12-17 | A kind of active safety system shown based on multistage brake taillight and its implementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410779880.7A CN105774641B (en) | 2014-12-17 | 2014-12-17 | A kind of active safety system shown based on multistage brake taillight and its implementation |
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| Publication Number | Publication Date |
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| CN105774641A CN105774641A (en) | 2016-07-20 |
| CN105774641B true CN105774641B (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410779880.7A Expired - Fee Related CN105774641B (en) | 2014-12-17 | 2014-12-17 | A kind of active safety system shown based on multistage brake taillight and its implementation |
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| CN (1) | CN105774641B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828295A (en) * | 2017-03-30 | 2017-06-13 | 赵学丰 | Brake lamp and brake lamp system |
| CN110789451A (en) * | 2018-08-02 | 2020-02-14 | 上海汽车集团股份有限公司 | Method and system for interaction between vehicle and outside |
| CN111409547A (en) * | 2020-04-23 | 2020-07-14 | 重庆长安新能源汽车科技有限公司 | Brake lamp control system and method |
| CN113677067B (en) * | 2021-08-19 | 2023-08-04 | 上汽大众汽车有限公司 | Dynamic control method and control system for vehicle brake lamp |
| CN114701473A (en) * | 2021-12-27 | 2022-07-05 | 瀚德万安(上海)电控制动系统有限公司 | Communication system of electric control brake device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4646139B2 (en) * | 2006-03-31 | 2011-03-09 | オムロンオートモーティブエレクトロニクス株式会社 | Stop lamp lighting control device |
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|---|---|---|---|---|
| DE4115744A1 (en) * | 1991-05-14 | 1992-11-19 | Gollnisch Hans Gert | Urgent deceleration warning lamp circuit for motor vehicle - alerts following driver by lighting additional rear lamps and flashing direction indicators at different retardation thresholds |
| US6175305B1 (en) * | 1994-12-20 | 2001-01-16 | Louis E. Johnson | Stoplamp modulator module electronic device |
| CN2372192Y (en) * | 1999-06-08 | 2000-04-05 | 郭承运 | Multi-stage indicator for vehicle brake signal |
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