CN105667441A - Rear-end collision preventing safety system and method with early warning and protecting functions - Google Patents
Rear-end collision preventing safety system and method with early warning and protecting functions Download PDFInfo
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- CN105667441A CN105667441A CN201610006573.4A CN201610006573A CN105667441A CN 105667441 A CN105667441 A CN 105667441A CN 201610006573 A CN201610006573 A CN 201610006573A CN 105667441 A CN105667441 A CN 105667441A
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- Prior art keywords
- controller unit
- unit
- knock
- alarm command
- ttc
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/525—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking automatically indicating risk of collision between vehicles in traffic or with pedestrians, e.g. after risk assessment using the vehicle sensor data
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01252—Devices other than bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01252—Devices other than bags
- B60R2021/01265—Seat belts
- B60R2021/01272—Belt tensioners
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a rear-end collision preventing safety system and method with early warning and protecting functions. The system comprises a radar controller unit, a lamplight controller unit, a danger warning lamp, a man-machine interaction unit, an active safety belt unit and an active seat unit. The radar controller unit is connected with the lamplight controller unit, the man-machine interaction unit, the active safety belt unit and the active seat unit. The lamplight controller unit is connected with the danger warning lamp. By the adoption of the system and method, rear-end collisions can be reduced, and when a rear-end collision cannot be avoided, harm caused by the collision to a driver and passengers can be reduced.
Description
Technical field
The invention belongs to vehicle safety travel technology, be specifically related to a kind of have early warning and defencive function anti-after knock into the back security system and method.
Background technology
Along with the continuous growth of automobile pollution, the importance of consumer is increasingly highlighted by automotive safety problem. According to investigations, have quite a few motor-vehicle accident to cause owing to knocking into the back, and major part to knock into the back be owing to the brake hard of front truck causes. Having increasing lorry loading forward direction collision avoidance system, when forward direction collision avoidance system sends warning, this car driver can carry out brake hard within the 1-2 second, so that the rear car response time is very short, it is likely that to cause this car to be knocked into the back. If this car can send warning to rear car in time before brake hard, the driver of front vehicle is allowed can earlier to find danger, the generation of rear-end collision after just effectively reducing. When after knock into the back cannot avoid time, if the crash protection that can complete restraint before collision occurs prepares, just can greatly reduce the collision injury to driver and occupant.
Summary of the invention
It is an object of the invention to provide a kind of have early warning and defencive function anti-after knock into the back security system and method, with the generation knocked into the back after reducing, when after knock into the back cannot avoid time, can reduce the injury collided driver and occupant.
Of the present invention have early warning and defencive function anti-after knock into the back security system, including radar controller unit, light controller unit, hazard way light, man-machine interaction unit, active safety tape cell and actively seat unit;
Described radar controller unit for continuous probe front vehicle relative to the speed of this car and distance, and calculate the pre-impact time TTC between front vehicle and this car, pre-impact time TTC is compared with the first collision time Tmax preset and the second collision time Tmin, as TTC>Tmax time, then think and will not knock into the back after occurring, as Tmin<TTC≤Tmax, then think and knock into the back after being likely to occur, and send first order alarm command, as TTC≤Tmin, knock into the back after then thinking and be difficult to avoid that, and send second level alarm command;
Described light controller unit is based on hazard way light fast blink described in described first order alarm command, second level alarm instruction drives, and this light controller unit is connected with radar controller unit, hazard way light respectively;
Described man-machine interaction unit sends correspondence image and audible alarm based on described first order alarm command, second level alarm command, and this man-machine interaction unit is connected with radar controller unit;
Described active safety tape cell controls the automatic tightening of seat belt with spacing based on described second level alarm command, and this active safety tape cell is connected with radar controller unit;
Seat and headrest are adjusted optimum anticollision state based on described second level alarm command by described active seat unit automatically, and this active seat unit is connected with radar controller unit.
Described hazard way light is arranged on automobile tail, and this hazard way light can with the quick flash of the frequency of 2～4Hz.
Of the present invention have early warning and defencive function anti-after knock into the back safety method, adopt of the present invention have early warning and defencive function anti-after knock into the back security system, comprise the following steps:
Step one, described radar controller unit continuous probe front vehicle are relative to the speed of this car and distance, and calculate the pre-impact time TTC between front vehicle and this car;
Described pre-impact time TTC is compared by step 2, described radar controller unit with the first collision time Tmax preset and the second collision time Tmin:
As TTC > Tmax time, then it is assumed that will not knock into the back after occurring;
As Tmin < TTC≤Tmax, then think and knock into the back after being likely to occur, and send first order alarm command, described light controller unit is based on hazard way light fast blink described in this first order alarm instruction drives, and described man-machine interaction unit sends correspondence image based on this first order alarm command and sound is reported to the police;
As TTC≤Tmin, knock into the back after then thinking and be difficult to avoid that, and send second level alarm command, described light controller unit is based on hazard way light fast blink described in this second level alarm instruction drives, described man-machine interaction unit sends correspondence image based on this second level alarm command and sound is reported to the police, described active safety tape cell controls the automatic tightening of seat belt with spacing based on this second level alarm command, and seat and headrest are adjusted optimum anticollision state based on this second level alarm command by described active seat unit automatically.
The invention have the advantages that
(1) vehicle that the present invention rearward exists rear end collision by hazard way light sends early warning information, the driver allowing front vehicle can earlier find danger, the driver making front vehicle has sufficient time to adjust driver behavior, therefore the generation of rear-end collision after can effectively reducing;
(2) when after knock into the back be difficult to avoid that time, it is possible to automatically adjust active safety band, actively seat before the collision occurs, it is possible in collision process, provide good protection to occupant and driver.
Accompanying drawing explanation
Fig. 1 is principles of the invention block diagram;
Wherein: 1, radar controller unit, 2, light controller unit, 3, hazard way light, 4, man-machine interaction unit, 5, active safety tape cell, 6, actively seat unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 have early warning and defencive function anti-after knock into the back security system, including radar controller unit 1, light controller unit 2, hazard way light 3, man-machine interaction unit 4, active safety tape cell 5 and actively seat unit 6. Radar controller unit 1 respectively with light controller unit 2, man-machine interaction unit 4, active safety tape cell 5 and actively seat unit 6, light controller unit 2 is connected with hazard way light 3.
Radar controller unit 1 is for the continuous probe front vehicle speed relative to this car and distance, and calculate the pre-impact time TTC between front vehicle and this car, pre-impact time TTC is compared with the first collision time Tmax preset and the second collision time Tmin, as TTC>Tmax time, then think and will not knock into the back after occurring, as Tmin<TTC≤Tmax, then think and knock into the back after being likely to occur, and send first order alarm command by CAN, as TTC≤Tmin, knock into the back after then thinking and be difficult to avoid that, and send second level alarm command by CAN.
When receiving first order alarm command or second level alarm command when light controller unit 2, light controller unit 2 drives hazard way light 3 with the quick flash of frequency of 2～4Hz with the signal of telecommunication, to point out the driver of front vehicle, realize the function of rearward vehicle rear-end collision danger early warning, the driver making front vehicle has enough time to adjust driver behavior, thus the generation knocked into the back after avoiding most possibly. This hazard way light 3 is arranged on automobile tail, and hazard way light 3 has steering indicating light and double; two sudden strain of a muscle function simultaneously.
When receiving first order alarm command or second level alarm command when man-machine interaction unit 4, man-machine interaction unit 4 sends correspondence image and audible alarm, driver and the occupant of this car is reminded by image and sound, it is achieved thereby that the rear rear end collision early warning to the driver of Ben Chenei and occupant, make driver have sufficient time to adjust the driver behavior of oneself, make the occupant of Ben Chenei enhance your vigilance simultaneously, adjust posture, if collision cannot be avoided, the collision injury to health can be reduced.
When active safety tape cell 5 receives second level alarm command, active safety tape cell 5 controls seat belt automatic tightening with spacing, driver and occupant can be carried out best protection during to knock into the back after guaranteeing and to occur.
When active seat unit 6 receives second level alarm command; actively seat and headrest are adjusted optimum anticollision state (namely control headrest travel forward about 4cm by seat unit 6 automatically; reduce the distance between occupant's head and headrest, automatically adjustment backrest and be adjacent to occupant's shoulder and back); when after knock into the back cannot avoid time; by coordinating of active seat unit 6 and active safety tape cell 5, with knock into the back after guaranteeing generation time driver and occupant can be carried out best protection.
Of the present invention have early warning and defencive function anti-after knock into the back safety method, adopt of the present invention have early warning and defencive function anti-after knock into the back security system, comprise the following steps:
Step one, described radar controller unit 1 continuous probe front vehicle are relative to the speed of this car and distance, and calculate the pre-impact time TTC between front vehicle and this car.
Described pre-impact time TTC is compared by step 2, described radar controller unit 1 with the first collision time Tmax preset and the second collision time Tmin, and sends warning according to following strategy by CAN:
As TTC > Tmax time, then it is assumed that will not knocking into the back after occurring, after namely existing, the probability that knocks into the back is little, does not send warning.
As Tmin < TTC≤Tmax, then think and knock into the back after being likely to occur, namely the probability knocked into the back after existing is big, but by the reasonable operation of front vehicle driver, knock into the back and can avoid, now radar controller unit 1 sends first order alarm command, and described light controller unit 2 is based on hazard way light 3 fast blink described in this first order alarm instruction drives, and described man-machine interaction unit 4 sends correspondence image based on this first order alarm command and sound is reported to the police;
As TTC≤Tmin, then it is assumed that after knock into the back and be difficult to avoid that, the probability knocked into the back after namely existing is very big, and after knock into the back and be difficult to avoid that, now send second level alarm command. Described light controller unit 2 is based on hazard way light 3 fast blink described in this second level alarm instruction drives, described man-machine interaction unit 4 sends correspondence image based on this second level alarm command and sound is reported to the police, described active safety tape cell 5 controls seat belt automatic tightening with spacing based on this second level alarm command, and seat and headrest are adjusted optimum anticollision state based on this second level alarm command by described active seat unit 6 automatically.
Claims (3)
1. one kind have early warning and defencive function anti-after knock into the back security system, it is characterised in that: include radar controller unit (1), light controller unit (2), hazard way light (3), man-machine interaction unit (4), active safety tape cell (5) and active seat unit (6);
Described radar controller unit (1) is for the continuous probe front vehicle speed relative to this car and distance, and calculate the pre-impact time TTC between front vehicle and this car, pre-impact time TTC is compared with the first collision time Tmax preset and the second collision time Tmin, as TTC>Tmax time, then think and will not knock into the back after occurring, as Tmin<TTC≤Tmax, then think and knock into the back after being likely to occur, and send first order alarm command, as TTC≤Tmin, knock into the back after then thinking and be difficult to avoid that, and send second level alarm command;
Described light controller unit (2) is based on hazard way light (3) fast blink described in described first order alarm command, second level alarm instruction drives, and this light controller unit (2) is connected with radar controller unit (1), hazard way light (3) respectively;
Described man-machine interaction unit (4) sends correspondence image and audible alarm based on described first order alarm command, second level alarm command, and this man-machine interaction unit (4) is connected with radar controller unit (1);
Described active safety tape cell (5) controls the automatic tightening of seat belt with spacing based on described second level alarm command, and this active safety tape cell (5) is connected with radar controller unit (1);
Seat and headrest are adjusted optimum anticollision state based on described second level alarm command by described active seat unit (6) automatically, and this active seat unit (6) is connected with radar controller unit (1).
2. according to claim 1 have early warning and defencive function anti-after knock into the back security system, it is characterised in that: described hazard way light (3) is arranged on automobile tail, and this hazard way light (3) can with the quick flash of the frequency of 2～4Hz.
3. one kind have early warning and defencive function anti-after knock into the back safety method, it is characterised in that: adopt have as claimed in claim 1 or 2 early warning and defencive function anti-after knock into the back security system, comprise the following steps:
Step one, described radar controller unit (1) continuous probe front vehicle are relative to the speed of this car and distance, and calculate the pre-impact time TTC between front vehicle and this car;
Described pre-impact time TTC is compared by step 2, described radar controller unit (1) with the first collision time Tmax preset and the second collision time Tmin:
As TTC > Tmax time, then it is assumed that will not knock into the back after occurring;
As Tmin < TTC≤Tmax, then think and knock into the back after being likely to occur, and send first order alarm command, described light controller unit (2) is based on hazard way light (3) fast blink described in this first order alarm instruction drives, and described man-machine interaction unit (4) sends correspondence image based on this first order alarm command and sound is reported to the police;
As TTC≤Tmin, knock into the back after then thinking and be difficult to avoid that, and send second level alarm command, described light controller unit (2) is based on hazard way light (3) fast blink described in this second level alarm instruction drives, described man-machine interaction unit (4) sends correspondence image based on this second level alarm command and sound is reported to the police, described active safety tape cell (5) controls the automatic tightening of seat belt with spacing based on this second level alarm command, seat and headrest are adjusted optimum anticollision state based on this second level alarm command by described active seat unit (6) automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006573.4A CN105667441A (en) | 2016-01-04 | 2016-01-04 | Rear-end collision preventing safety system and method with early warning and protecting functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006573.4A CN105667441A (en) | 2016-01-04 | 2016-01-04 | Rear-end collision preventing safety system and method with early warning and protecting functions |
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| CN105667441A true CN105667441A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610006573.4A Pending CN105667441A (en) | 2016-01-04 | 2016-01-04 | Rear-end collision preventing safety system and method with early warning and protecting functions |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394404A (en) * | 2016-10-11 | 2017-02-15 | 成都芯云时代科技有限公司 | Vehicle anti-collision rear-end alarm device |
| CN106956659A (en) * | 2017-04-18 | 2017-07-18 | 福建船政交通职业学院 | A kind of vehicle is knocked into the back active protective system and its guard method |
| CN106990407A (en) * | 2017-02-24 | 2017-07-28 | 联创汽车电子有限公司 | Anti-collision alarm system ultrasonic blind zone processing method and anti-collision alarm system |
| CN107009954A (en) * | 2017-04-18 | 2017-08-04 | 福建船政交通职业学院 | A kind of vehicle meets people's Emergency avoidance system and its preventing collision method |
| CN108198461A (en) * | 2018-02-28 | 2018-06-22 | 奇瑞汽车股份有限公司 | Vehicle rear-end collision method for early warning and device |
| CN109466490A (en) * | 2018-11-26 | 2019-03-15 | 北京长城华冠汽车科技股份有限公司 | Rear-end collision prevention early warning system and the anti-method for early warning that knocks into the back |
| CN109841091A (en) * | 2019-01-02 | 2019-06-04 | 北京汽车股份有限公司 | Vehicle collision prewarning method, device and automobile |
| JP2020523709A (en) * | 2017-06-12 | 2020-08-06 | コンチネンタル オートモーティブ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Rear pre-crash safety system |
| CN112140960A (en) * | 2020-09-28 | 2020-12-29 | 诺博汽车系统有限公司 | Adaptive headrest control method and device for vehicle and vehicle |
| CN113103937A (en) * | 2021-04-30 | 2021-07-13 | 东风汽车集团股份有限公司 | Method and system for controlling active headrest in rear-end collision and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106394404A (en) * | 2016-10-11 | 2017-02-15 | 成都芯云时代科技有限公司 | Vehicle anti-collision rear-end alarm device |
| CN106990407A (en) * | 2017-02-24 | 2017-07-28 | 联创汽车电子有限公司 | Anti-collision alarm system ultrasonic blind zone processing method and anti-collision alarm system |
| CN106990407B (en) * | 2017-02-24 | 2020-12-29 | 联创汽车电子有限公司 | Ultrasonic blind area processing method of anti-collision alarm system and anti-collision alarm system |
| CN106956659A (en) * | 2017-04-18 | 2017-07-18 | 福建船政交通职业学院 | A kind of vehicle is knocked into the back active protective system and its guard method |
| CN107009954A (en) * | 2017-04-18 | 2017-08-04 | 福建船政交通职业学院 | A kind of vehicle meets people's Emergency avoidance system and its preventing collision method |
| JP2020523709A (en) * | 2017-06-12 | 2020-08-06 | コンチネンタル オートモーティブ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Rear pre-crash safety system |
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| CN108198461A (en) * | 2018-02-28 | 2018-06-22 | 奇瑞汽车股份有限公司 | Vehicle rear-end collision method for early warning and device |
| CN109466490A (en) * | 2018-11-26 | 2019-03-15 | 北京长城华冠汽车科技股份有限公司 | Rear-end collision prevention early warning system and the anti-method for early warning that knocks into the back |
| CN109841091A (en) * | 2019-01-02 | 2019-06-04 | 北京汽车股份有限公司 | Vehicle collision prewarning method, device and automobile |
| CN112140960A (en) * | 2020-09-28 | 2020-12-29 | 诺博汽车系统有限公司 | Adaptive headrest control method and device for vehicle and vehicle |
| CN113103937A (en) * | 2021-04-30 | 2021-07-13 | 东风汽车集团股份有限公司 | Method and system for controlling active headrest in rear-end collision and vehicle |
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Application publication date: 20160615 |