CN103661099A - System and method used for maintaining safe distance - Google Patents
System and method used for maintaining safe distance Download PDFInfo
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- CN103661099A CN103661099A CN201310634333.5A CN201310634333A CN103661099A CN 103661099 A CN103661099 A CN 103661099A CN 201310634333 A CN201310634333 A CN 201310634333A CN 103661099 A CN103661099 A CN 103661099A
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Abstract
The invention provides a system used for maintaining safe distance. The system comprises a steering monitoring unit used for monitoring whether a vehicle steers or not, a distance measuring meter mounted on the vehicle and used for measuring distance between the vehicle and an ahead vehicle, a tachymeter used for acquiring traveling speed of the vehicle, an alarm and a controller used for receiving monitoring results of the steering monitoring unit. When the vehicle does not steer, the controller compares the distance with a preset safe distance according to the traveling speed of the vehicle, and when the distance is smaller than or equal to the safe distance, the controller controls the alarm to give to alarming signals; when the vehicle steers or the distance is larger than the safe distance according to the traveling speed of the vehicle, the controller controls the alarm not to give out the alarming signals. The invention further provides a method used for maintaining safe distance.
Description
Technical field
The present invention relates to automotive safety technical field, particularly relate to a kind of system and method for remaining a safe distance behind the car in front.
Background technology
Safe distance between vehicles refers to the minor increment between front truck and this car under vehicle safety travel state.When front truck breaks down or sudden stop, this car can complete slowing-down brake in safe distance between vehicles, avoids occurring rear-end collision.
Vehicle Speed on express highway is all very fast, and under the state of running at high speed, safe distance between vehicles seems and is even more important.The law on road traffic safety > > of < < People's Republic of China (PRC) regulation: self-propelled vehicle is at running on expressway, when the speed of a motor vehicle surpasses 100 kilometers per hour, safe distance between vehicles is more than 100 meters; The speed of a motor vehicle is during lower than 100 kilometers per hour, and minimum safe spacing must not be less than 50 meters.Along with the wearing and tearing of the aging and wheel of vehicle, braking distance can corresponding prolongation.Under high-speed travel state, Ben Cheruo does not remain a safe distance behind the car in front with front truck, is easy to occur traffic accident.
Summary of the invention
An object of the present invention is to provide a kind of system and method for remaining a safe distance behind the car in front, the generation trying to forestall traffic accidents.
For this reason, the invention provides a kind of system for remaining a safe distance behind the car in front, this system comprises:
Whether steering monitoring unit, turn to for monitoring this car;
Apomecometer, is installed on this car, for measuring the spacing between this car and front truck;
Knotmeter, obtains the speed of a motor vehicle of being expert at of this car;
Annunciator;
Controller, receives the monitoring result of described steering monitoring unit; When this car does not turn to, according to the size of the be expert at more described spacing of speed of a motor vehicle controller and the default safe distance between vehicles of this car, when described spacing is less than or equal to described safe distance between vehicles, controller is controlled described annunciator and is sent alerting signal; While being greater than described safe distance between vehicles when this car turns to or according to spacing described in the speed of a motor vehicle of being expert at of this car, controller is controlled described annunciator and is not sent alerting signal.
Further, described steering monitoring unit is a logic level detector, and described logic level detector is connected with the Der Blink und Abblendschalter of this car by CAN bus and changes to judge by obtaining the level of described Der Blink und Abblendschalter whether this car turns to.
Further, described steering monitoring unit is a current flow meter, and described current flow meter is connected with the turn signal lamp of this car and judges by obtaining the curent change of described turn signal lamp whether this car turns to.
Further, described annunciator is phonetic alarm, and described alerting signal is voice signal.
And the present invention also provides a kind of method for remaining a safe distance behind the car in front, the method comprises the steps:
Step 1: judge whether this car turns to;
It is to return to step 1 that step 2: Ruo Benche turns to, and Ruo Benche does not turn to and continues following steps;
Step 3: measure the spacing between this car and front truck;
Step 4: the size of more described spacing and safe distance between vehicles, when being greater than described safe distance between vehicles, described spacing returns to step 3, when being less than or equal to described safe distance between vehicles, continues described spacing following steps;
Step 5: controller is controlled annunciator and sent alerting signal.
Utilize system and method provided by the invention, in the time of can being less than or equal to safe distance between vehicles at the spacing with front truck, and alarm is to remind the chaufeur driving of taking care.Simultaneously because whether steering monitoring of the present invention unit is monitored this car and is turned to, thus avoided turning, overtaking other vehicles at this car and with the annunciator wrong report that the spacing of front truck more closely causes, therefore can significantly reduce wrong report number of times.
According to the detailed description to the specific embodiment of the invention by reference to the accompanying drawings below, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter in exemplary and nonrestrictive mode, describe specific embodiments more of the present invention in detail with reference to the accompanying drawings.In accompanying drawing, identical Reference numeral has indicated same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not draw in proportion.In accompanying drawing:
Fig. 1 is the system separation structure schematic diagram for remaining a safe distance behind the car in front according to an embodiment of the invention;
Fig. 2 is according to an embodiment of the invention for the schematic flow sheet of the method that remains a safe distance behind the car in front.
The specific embodiment
In Fig. 1:
Whether steering monitoring unit 101 is a current flow meter, and described current flow meter is connected with the turn signal lamp of this car, for obtaining the curent change of the steering indicating light of this car, monitor this car and turn to.Wherein, the open and close of steering indicating light represent that respectively Ben Che turns to or do not turn to.When steering indicating light is not opened, the electric current of turn signal lamp is zero, and when steering indicating light is opened, the electric current of turn sign can occur to increase suddenly, and steering monitoring unit 101 just can obtain the steering state of this car by the variation of judgement current value like this.Steering monitoring unit 101 can be also a logic level detector, thereby by being connected from CAN bus and obtaining steering indicating light signal with CAN bus, or, can also be by being connected with the Der Blink und Abblendschalter of this car, and change to judge by obtaining the level of described Der Blink und Abblendschalter whether this car turns to.
Apomecometer 102 is installed on the headstock of this car, for measuring the spacing between this car and front truck.Described apomecometer 102 is specifically as follows radar range finder or ultrasonic range finder.
Controller 103 is connected to receive the monitoring result of steering monitoring unit 101 with steering monitoring unit 101, and is connected to receive described spacing with apomecometer 102, and is connected to receive the speed of a motor vehicle of being expert at of this car with knotmeter 105.Ruo Benche does not turn to, and controller is according to the size of the more described spacing of the speed of a motor vehicle of being expert at of this car and default safe distance between vehicles, and when described spacing is less than or equal to described safe distance between vehicles, controller 103 is controlled described annunciator 104 and sent alerting signal.While being greater than described safe distance between vehicles when this car turns to or according to spacing described in the speed of a motor vehicle of being expert at of this car, controller 103 is controlled described annunciator 104 and is not sent alerting signal.When steering indicating light is opened, this car is generally will overtake other vehicles and road or turning, distance under these situations between the meeting of this car and front truck shortens gradually, if now system alarm of the present invention reminds that the spacing of chaufeur Ben Che and front truck is too short belongs to wrong report, therefore, at this car, turn to Time Controller 103 to control described annunciator 104 and do not send alerting signal, to reduce the number of times that wrong report occurs.
Based on above narration, annunciator 104 is connected with controller 103, and alerting signal is sent in the control of accepting controller 103.Annunciator 104 can be preferably phonetic alarm for phonetic alarm, siren or visual alarm, and alerting signal is preferably voice signal.For example, annunciator 104, when the spacing of Ben Che and front truck is less than safe distance between vehicles, is play the voice of voice message " distance between Ben Che and front truck is less than safe distance between vehicles, please remain a safe distance behind the car in front; the driving of taking care " and so on, makes chaufeur receive direct prompting.
As a kind of preferred embodiment, system of the present invention can also comprise light monitoring means, for monitoring this car light intensity around, guarantees the visual field of chaufeur.Even if described like this spacing is greater than described safe distance between vehicles, but driver's seat is when be affected, and annunciator still sends alerting signal.
Particularly, default safe distance between vehicles can be with reference to the safe distance between vehicles value of the defineds such as national communication method; Safe distance between vehicles value for country variant defined is different, and therefore default safe distance between vehicles can be adjusted according to actual needs.
The method flow remaining a safe distance behind the car in front as shown in Figure 2, comprising:
So far, those skilled in the art will recognize that, although detailed, illustrate and described a plurality of exemplary embodiment of the present invention herein, but, without departing from the spirit and scope of the present invention, still can directly determine or derive many other modification or the modification that meets the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or modifications.
Claims (5)
1. the system for remaining a safe distance behind the car in front, is characterized in that, this system comprises:
Whether steering monitoring unit (101), turn to for monitoring this car;
Apomecometer (102), is installed on this car, for measuring the spacing between this car and front truck;
Knotmeter (105), obtains the speed of a motor vehicle of being expert at of this car;
Annunciator (104);
Controller (103), receives the monitoring result of described steering monitoring unit (101); When this car does not turn to, according to the size of the be expert at more described spacing of speed of a motor vehicle controller (103) and the default safe distance between vehicles of this car, when described spacing is less than or equal to described safe distance between vehicles, controller (103) is controlled described annunciator (104) and is sent alerting signal; While being greater than described safe distance between vehicles when this car turns to or according to spacing described in the speed of a motor vehicle of being expert at of this car, controller (103) is controlled described annunciator (104) and is not sent alerting signal.
2. system according to claim 1, is characterized in that,
Described steering monitoring unit (101) is a logic level detector, and described logic level detector is connected with the Der Blink und Abblendschalter of this car by CAN bus and changes to judge by obtaining the level of described Der Blink und Abblendschalter whether this car turns to.
3. system according to claim 1, is characterized in that,
Described steering monitoring unit (101) is a current flow meter, and described current flow meter is connected with the turn signal lamp of this car and judges by obtaining the curent change of described turn signal lamp whether this car turns to.
4. system according to claim 1, is characterized in that,
Described annunciator (104) is phonetic alarm, and described alerting signal is voice signal.
5. the method for remaining a safe distance behind the car in front, is characterized in that, the method comprises the steps:
Step 1: judge whether this car turns to;
It is to return to step 1 that step 2: Ruo Benche turns to, and Ruo Benche does not turn to and continues following steps;
Step 3: measure the spacing between this car and front truck;
Step 4: the size of more described spacing and safe distance between vehicles, when being greater than described safe distance between vehicles, described spacing returns to step 3, when being less than or equal to described safe distance between vehicles, continues described spacing following steps;
Step 5: controller (103) is controlled annunciator (104) and sent alerting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310634333.5A CN103661099B (en) | 2013-11-29 | 2013-11-29 | A kind of for keeping the system and method for safe distance between vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310634333.5A CN103661099B (en) | 2013-11-29 | 2013-11-29 | A kind of for keeping the system and method for safe distance between vehicles |
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| Publication Number | Publication Date |
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| CN103661099A true CN103661099A (en) | 2014-03-26 |
| CN103661099B CN103661099B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310634333.5A Active CN103661099B (en) | 2013-11-29 | 2013-11-29 | A kind of for keeping the system and method for safe distance between vehicles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017124538A1 (en) * | 2016-01-24 | 2017-07-27 | 吴晓敏 | Data collection method of safe following distance prompting technology and safe following distance system |
| CN112061027A (en) * | 2020-07-30 | 2020-12-11 | 南京英锐创电子科技有限公司 | Vehicle-mounted alarm system, vehicle-mounted alarm method and computer equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1166426A (en) * | 1997-04-08 | 1997-12-03 | 张国栋 | Automatic collisionproof method for motor vehicles and its embodiment |
| US5699040A (en) * | 1995-11-21 | 1997-12-16 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle collision preventing system |
| US20020087255A1 (en) * | 2000-12-28 | 2002-07-04 | Nissan Motor Co., Ltd. | Vehicle traveling control system |
| CN102756687A (en) * | 2011-04-27 | 2012-10-31 | 比亚迪股份有限公司 | Drive reminding system and method thereof |
-
2013
- 2013-11-29 CN CN201310634333.5A patent/CN103661099B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5699040A (en) * | 1995-11-21 | 1997-12-16 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle collision preventing system |
| CN1166426A (en) * | 1997-04-08 | 1997-12-03 | 张国栋 | Automatic collisionproof method for motor vehicles and its embodiment |
| US20020087255A1 (en) * | 2000-12-28 | 2002-07-04 | Nissan Motor Co., Ltd. | Vehicle traveling control system |
| CN102756687A (en) * | 2011-04-27 | 2012-10-31 | 比亚迪股份有限公司 | Drive reminding system and method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017124538A1 (en) * | 2016-01-24 | 2017-07-27 | 吴晓敏 | Data collection method of safe following distance prompting technology and safe following distance system |
| CN112061027A (en) * | 2020-07-30 | 2020-12-11 | 南京英锐创电子科技有限公司 | Vehicle-mounted alarm system, vehicle-mounted alarm method and computer equipment |
| CN112061027B (en) * | 2020-07-30 | 2022-03-11 | 南京英锐创电子科技有限公司 | Vehicle-mounted alarm system, vehicle-mounted alarm method and computer equipment |
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| Publication number | Publication date |
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| CN103661099B (en) | 2016-09-21 |
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