CN105774641A - Active safety system based on multi-stage brake taillight display and realization method of same - Google Patents
Active safety system based on multi-stage brake taillight display and realization method of same Download PDFInfo
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- CN105774641A CN105774641A CN201410779880.7A CN201410779880A CN105774641A CN 105774641 A CN105774641 A CN 105774641A CN 201410779880 A CN201410779880 A CN 201410779880A CN 105774641 A CN105774641 A CN 105774641A
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Abstract
The invention relates to an active safety system based on multi-stage brake taillight display. The system comprises a signal output device (1), a signal collection device (2), an information loop device (3), an actuator (4) and controlled equipment (5), wherein the signal output device (1) comprises a brake (6) and a sensor; the signal collection device (2) collects signals by a whole-vehicle controller (9); the signal loop device (3) is composed of a gateway (10) as well as a power can bus (11) and a comfort can bus (12) which are connected to two ends of the gateway (10); the actuator (4) receives the signals by a car body controller (13) and then executes actions; and the controlled equipment (5) comprises a first-stage brake light (14) and a multi-stage brake light (15). The system provided by the invention has the advantages that a driver in a rear car can rapidly and accurately judge a driving intent of a driver in a front car, and more accurate braking effects can be realized in advance; car travelling safety is ensured; and occurrence probability of rear-end collision accidents can be reduced.
Description
Technical field]
The present invention relates to brake system technical field, specifically a kind of active safety system shown based on multistage brake taillight and its implementation.
Background technology]
Along with the fast and stable of Domestic Automotive Industry develops, increasing automotive safety problem is valued by the people, wherein the rear-end collision in car steering all can occupy very big ratio every year, most generation case is all because front truck because emergency carries out braking of bringing to a halt, and rear car can only rely on the change of perusal relative distance to take corresponding braking, if it is determined that error occurs, it is easy to rear-end collision occurs, causes the loss of life, property safety.
Chinese patent Authorization Notice No. CN201133590Y, discloses a kind of brake lamp, carries out taillight control, existence and stability defect only with complicated circuit design, and is easy to damage under automobile inductive load affects, and structure complexity cost up.Chinese patent Authorization Notice No. CN202686107U, disclose a kind of brake lamp system that can show the brake depth, adopt brake analytical equipment, brake detecting device, then all through can bus transfer to brake lamp controller thus controlling multistage brake lamp, the defect of its existence is: whole system complexity is high, can Communication Control taillight is adopted to there is can message dropping risk, increase burden to power can system, adding brake lamp controller etc., whole system cost is difficult to be controlled simultaneously.
Summary of the invention]
Present invention aim to solve above-mentioned deficiency and a kind of active safety system shown based on multistage brake taillight and its implementation are provided, rear car driver can be allowed to judge the driving intention of front truck driver rapidly and accurately, to carry out skidding effect more accurately in advance, ensure that the driving safety of vehicle, decrease rear-end collision odds.
nullDesign a kind of active safety system shown based on multistage brake taillight for achieving the above object，Including signal output apparatus 1、Signal pickup assembly 2、Information circuits device 3、Executor 4 and controlled device 5，Described signal output apparatus 1 includes brake 6、Sensor 1 and sensor 28，Described signal pickup assembly 2 gathers signal by entire car controller 9，Described information circuits device 3 is by gateway 10 and is connected to the power can bus 11 at gateway 10 two ends and comfortable can bus 12 is constituted，Described executor 4 is received signal by car body controller 13 and is performed action，Described controlled device 5 includes one-level brake lamp 14 and multistage brake lamp 15，The switching signal outfan of described brake 6 connects one-level brake lamp 14 by sensor 1，The analog signal output of described brake 6 connects entire car controller 9 by sensor 28，The outfan of described entire car controller 9 connects power can bus 11，Described power can bus 11、Gateway 10、Comfortable can bus 12 sets up information transmission loop，The outfan of described comfortable can bus 12 connects car body controller 13，The outfan of described car body controller 13 connects multistage brake lamp 15，Described brake 6、Sensor 1、One-level brake lamp 14 constitutes common in-vehicle tail lamp control system，Described sensor 28、Entire car controller 9、Power can bus 11、Gateway 10、Comfortable can bus 12、Car body controller 13、Multistage brake lamp 15 constitutes multistage tail lamp control system，Described common in-vehicle tail lamp control system is separate with multistage tail lamp control system.
Described information is passed back to route entire car controller 9 and gathers analogue signal and be packaged into CAN message signal, gateway 10 gather CAN message signal by power can bus 11, and after carrying out unpacking and re-grouping package, is transferred to car body controller 13 by comfortable can bus 12.
The taillight lamp group of described multistage brake lamp 15 comprises the above car light of at least two.
The taillight lamp group of described multistage brake lamp 15 is a gradient color car light.
A kind of active safety system shown based on multistage brake taillight realize method, comprise the following steps:
1) brake has two paths of signals to export, and a road is switching signal, and when driver steps on brake pedal, switching signal is activated, and the one-level brake lamp in common in-vehicle tail lamp control system is lit；Another road is analogue signal, and analogue signal changes output signal according to the degree of depth that treads in that brake pedal is different, and entire car controller gathers this analogue signal, and is packaged into CAN message signal；
2) gateway gathers CAN message signal by power CAN, then carries out unpacking re-grouping package, is delivered to car body controller again through comfortable CAN, sets up information transmission loop；
3) transmitting loop by information, car body controller receives signal command, and according to signals different in can message signals, lights the multistage brake lamp in multistage tail lamp control system；
4) when driver's progressively releasing of brake pedal, according to the above-mentioned mode of intelligence transmission, one-level brake lamp is extinguished at once, and multistage brake lamp is extinguished gradually, until brake pedal discharges completely, multistage brake lamp then extinguishes completely.
The present invention is compared with the existing technology, novel structure, simply, reasonable in design, owing to adding gateway apparatus on the basis of former automotive control system, establish information transmission loop, achieve the reliability with lower cost and Geng Gao and existing brake system is improved optimization, the multistage brake lamp of classification is adopted to strengthen active safety, eventually through signal output apparatus, signal pickup assembly, information circuits device, executor and controlled device achieve multistage brake active safety function, thus allowing rear car driver can judge the driving intention of front truck driver rapidly and accurately, to carry out skidding effect more accurately in advance, ensure vehicle driving safety, decrease rear-end collision odds.
Accompanying drawing illustrates]
Fig. 1 is principles of the invention block diagram；
In figure: 1, signal output apparatus 2, signal pickup assembly 3, information circuits device 4, executor 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, one-level brake lamp 15, multistage brake lamp.
Detailed description of the invention]
The present invention is made further explained below below in conjunction with accompanying drawing:
nullAs shown in Figure 1，The present invention includes: signal output apparatus 1、Signal pickup assembly 2、Information circuits device 3、Executor 4 and controlled device 5，Signal output apparatus 1 includes brake 6、Sensor 1 and sensor 28，Signal pickup assembly 2 gathers signal by entire car controller 9，Information circuits device 3 is by gateway 10 and is connected to the power can bus 11 at gateway 10 two ends and comfortable can bus 12 is constituted，Executor 4 is received signal by car body controller 13 and is performed action，Controlled device 5 includes one-level brake lamp 14 and multistage brake lamp 15，The switching signal outfan of brake 6 connects one-level brake lamp 14 by sensor 1，The analog signal output of brake 6 connects entire car controller 9 by sensor 28，The outfan of entire car controller 9 connects power can bus 11，Power can bus 11、Gateway 10、Comfortable can bus 12 sets up information transmission loop，The outfan of comfortable can bus 12 connects car body controller 13，The outfan of car body controller 13 connects multistage brake lamp 15，Brake 6、Sensor 1、One-level brake lamp 14 constitutes common in-vehicle tail lamp control system，I.e. one-level brake light control system；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 tail lamp control system, the i.e. tail lamp control system of the strong and weak level of prompting brake, the two system is separate to be independent of each other, and namely the fault of multistage tail lamp control system does not interfere with original brake system；The taillight lamp group of this multistage brake lamp 15 comprises the above car light of at least two, or can be a gradient color car light, namely, taillight lamp group can be multiple car light, the weight that vehicle touches on the brake is represented with the quantity lighted, if or do not use multiple car light to represent the brake depth, it is also possible to would be changed into a gradient color car light, represented, with the brightness of gradient color car light, the weight that vehicle touches on the brake；Wherein, information is passed back to route entire car controller 9 and gathers analogue signal and be packaged into CAN message signal, gateway 10 gather CAN message signal by power can bus 11, and after carrying out unpacking and re-grouping package, is transferred to car body controller 13 by comfortable can bus 12.
The present invention is that the multistage warning lamp active safety for motor vehicles and bicycle brake system and the control of control system is correlated with, the analogue signal of present situation condition brake pedal output can connect entire car controller VCU, simultaneously brake pedal has a digital output modul and directly controls brake lamp, brake lamp signal is made to ensure significantly high real-time and stability, and the present invention improves on original brake system and optimizes, the multistage brake lamp of classification is adopted to strengthen active safety function.
The present invention gathers the entire car controller VCU demand braking force message sent in power can bus by gateway, message is unpacked restructuring, analog signals is carried out digital quantity conversion, then the position signal being converted to respective numbers according to taillight switch amount demand reassembles into can message, it is sent to the car body controller BCM in comfortable can bus, car body controller can carry out taillight control according to the position signal that gateway is sent, thus realizing the control of multistage brake lamp.Achieving when driver steps on brake pedal, the brake lamp of former automobile also can carry out highlighted according to original logic, steps on the brake pedal of the different degree of depth according to driver simultaneously, and car body controller BCM can control taillight and carry out multistage highlighted.
The present invention adds gateway apparatus on the basis of former automotive control system and establishes information circuits, the braking information that rear car driver is better passed on front truck is achieved at lower cost by information forwarding unit, improve the active safety of car steering, reduce rear-end collision odds.
Present stage automobile generally all can have entire car controller VCU and car body controller BCM, but but lack the information circuits device transmitted by brake signal, increase gateway apparatus and can set up transmission information circuits, and at gateway, fire wall is set, it is further ensured that the safety and stability that control network, usual gateway can also integrate with instrument controller, serves the same role and has better integrated level, so present configuration system and device can well control cost.Amendment car body controller BCM logic and lead-out terminal interface, increase multistage brake lamp and can realize the purpose of multistage brake simultaneously, and it is low that whole system optimizes cost, and system dependability is high.
The active safety system shown based on multistage brake taillight of the present invention realize method; comprise the following steps: in signal output apparatus; brake generally has two paths of signals output; a respectively path switching signal; when driver steps on brake pedal will by signal activation, when switching signal is activated, the one-level brake lamp in common in-vehicle tail lamp control system can immediately be lit; if at this moment driver simply gently touches on the brake, conventional brake lamp is highlighted.Another road is analogue signal, can export the analogue signals such as 0-5V or 0-2.5V according to the different brake pedal degree of depth.Analogue signal can change output signal (0-5v or 0-2.5v) according to the degree of depth that treads in that brake pedal is different, entire car controller VCU can gather this road analogue signal and be then packaged as CAN message signal, gateway information loop apparatus gathers CAN message signal by power CAN, then carry out unpacking re-grouping package, it is delivered to car body controller BCM, it is established that information transmission loop again through comfortable CAN.Transmitting loop by information, car body controller BCM can receive signal command, further according to signals different in can message, lights the multistage brake lamp of varying number in multistage tail lamp control system, it is achieved executor controls controlled device.When driver progressively loosens the brake, same signal can according to the above-mentioned mode of intelligence transmission, multistage brake lamp is extinguished gradually, until driver discharges brake pedal completely, multistage brake lamp then extinguishes completely, one-level brake lamp extinguishes, and completes the process of release brake pedal, and whole control flow is ibid.
In the present invention, taillight lamp group can carry out different magnitude of change according to concrete demand, such as: if needing brake force is divided into four grades, remove former car braking car light, also need to external 3 lamp sources composition lamp group, carry out classification again through to the output analogue signal of brake pedal, respectively to two grades, three grades, level Four taillight carry out light on and off control, brake pedal signal subdivision has been four grades by theory.If needing to show brake taillight effect further accurately, it is possible to taillight lamp group is expanded, it is also possible to change taillight lamp group into gradient color car light and show.It is to say, taillight lamp group quantity can be changed according to demand, if demand is N level, then needing external taillight quantity is N-1.If or do not use multiple taillight to represent the brake depth, it is possible to taillight would be changed into gradual change aspect.
Claims (5)
- null1. the active safety system shown based on multistage brake taillight，It is characterized in that: include signal output apparatus (1)、Signal pickup assembly (2)、Information circuits device (3)、Executor (4) and controlled device (5)，Described signal output apparatus (1) includes brake (6)、Sensor one (7) and sensor two (8)，Described signal pickup assembly (2) gathers signal by entire car controller (9)，Described information circuits device (3) is by gateway (10) and is connected to power can bus (11) at gateway (10) two ends and comfortable can bus (12) is constituted，Described executor (4) receives signal by car body controller (13) and performs action，Described controlled device (5) includes one-level brake lamp (14) and multistage brake lamp (15)，The switching signal outfan of described brake (6) connects one-level brake lamp (14) by sensor one (7)，The analog signal output of described brake (6) connects entire car controller (9) by sensor two (8)，The outfan of described entire car controller (9) connects power can bus (11)，Described power can bus (11)、Gateway (10)、Comfortable can bus (12) sets up information transmission loop，The outfan of described comfortable can bus (12) connects car body controller (13)，The outfan of described car body controller (13) connects multistage brake lamp (15)，Described brake (6)、Sensor one (7)、One-level brake lamp (14) constitutes common in-vehicle tail lamp control system，Described 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) constitutes multistage tail lamp control system，Described common in-vehicle tail lamp control system is separate with multistage tail lamp control system.
- 2. the active safety system shown based on multistage brake taillight as claimed in claim 1, it is characterized in that: described information is passed back to route entire car controller (9) and gathers analogue signal and be packaged into CAN message signal, CAN message signal is gathered by power can bus (11) by gateway (10), and after carrying out unpacking and re-grouping package, it is transferred to car body controller (13) by comfortable can bus (12).
- 3. the active safety system shown based on multistage brake taillight as claimed in claim 2, it is characterised in that: the taillight lamp group of described multistage brake lamp (15) comprises the above car light of at least two.
- 4. the active safety system shown based on multistage brake taillight as claimed in claim 2, it is characterised in that: the taillight lamp group of described multistage brake lamp (15) is a gradient color car light.
- 5. the active safety system shown based on multistage brake taillight as according to any one of Claims 1-4 realize method, it is characterised in that comprise the following steps:1) brake has two paths of signals to export, and a road is switching signal, and when driver steps on brake pedal, switching signal is activated, and the one-level brake lamp in common in-vehicle tail lamp control system is lit；Another road is analogue signal, and analogue signal changes output signal according to the degree of depth that treads in that brake pedal is different, and entire car controller gathers this analogue signal, and is packaged into CAN message signal；2) gateway gathers CAN message signal by power CAN, then carries out unpacking re-grouping package, is delivered to car body controller again through comfortable CAN, sets up information transmission loop；3) transmitting loop by information, car body controller receives signal command, and according to signals different in can message signals, lights the multistage brake lamp in multistage tail lamp control system；4) when driver's progressively releasing of brake pedal, according to the above-mentioned mode of intelligence transmission, multistage brake lamp is extinguished gradually, until brake pedal discharges completely, multistage brake lamp then extinguishes completely, and one-level brake lamp is extinguished at once.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| Application Number | Priority Date | Filing Date | Title |
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| 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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| CN105774641A true CN105774641A (en) | 2016-07-20 |
| CN105774641B CN105774641B (en) | 2018-11-30 |
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Cited By (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 |
| CN113677067A (en) * | 2021-08-19 | 2021-11-19 | 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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| 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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