CN102294984A - Vehicle obstacle monitoring method based on vibration of steering wheel and device - Google Patents
Vehicle obstacle monitoring method based on vibration of steering wheel and device Download PDFInfo
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- CN102294984A CN102294984A CN 201110206368 CN201110206368A CN102294984A CN 102294984 A CN102294984 A CN 102294984A CN 201110206368 CN201110206368 CN 201110206368 CN 201110206368 A CN201110206368 A CN 201110206368A CN 102294984 A CN102294984 A CN 102294984A
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Abstract
The invention discloses a vehicle obstacle monitoring method based on vibration of a steering wheel and a device. The vehicle obstacle monitoring method comprises the following steps of: 1) arranging the minimum obstacle distance for sending out prompt; 2) detecting the obstacle distance closest to a vehicle body through a distance-measuring radar when a vehicle runs; and 3) when the obstacle distance is less than the minimum obstacle distance, applying vibration on the steering wheel of the vehicle to send out an obstacle proximity prompt to a driver. The monitoring device comprises a control unit, a radar distance-measuring unit and a vibration unit, wherein the radar distance-measuring unit is used for detecting the obstacle distance closest to the vehicle body; the vibration unit is used for sending out a vibration prompt according to the obstacle distance; the control unit is connected with the radar distance-measuring unit; the vibration unit comprises at least one vibrator fixed on the steering wheel of the vehicle; and the vibrator is connected with the control unit. The invention has the advantages that the implementation cost is low, the safety effect of driving is improved, the reminding is intuitive and effective, and the application range is wide.
Description
Technical field
The present invention relates to the vehicle safety field, be specifically related to a kind of monitoring method and device of vehicle barrier.
Background technology
Along with The development in society and economy, automobile has obtained using extremely widely, becomes the part in people's life.But because factors such as driving habit, vehicle blind zone, complex environments, the scraping of vehicle is unavoidable, is to lack effective obstacle monitoring method after all.At present known obstacle monitoring method is a Reverse Sensor, Reverse Sensor generally only at vehicle near the prompting of sounding in the obstacle.But work as vehicle in driving procedure, often, cause economic loss, even cause serious traffic accident because factors such as noise, focus cause chaufeur to ignore the obstacle auditory tone cues easily, thereby cause the scraping collision case of vehicle.
Summary of the invention
The technical problem to be solved in the present invention provides that a kind of realization cost is low, to improve driving safety effective, remind effectively directly perceived, vehicle barrier monitoring method and device that Applicable scope is extensive based on the bearing circle vibrations.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of vehicle barrier monitoring method based on the bearing circle vibrations, implementation step is as follows:
1) is provided for sending the obstacle minor increment of prompting;
2) when vehicle operating, detect the obstacle distance nearest apart from vehicle body by range only radar;
3) obstacle distance and the described obstacle minor increment that in real time current detection is obtained compares, and when described obstacle distance during less than described obstacle minor increment, steering wheel for vehicle applied vibrations to send the approaching prompting of obstacle to chaufeur.
Further improvement as the vehicle barrier monitoring method that the present invention is based on the bearing circle vibrations:
In the described step 3) steering wheel for vehicle being applied vibrations specifically is meant: the difference of at first obtaining described obstacle distance and obstacle minor increment, then according to the size adjustment vibration frequency of described difference, and according to this oscillation frequency steering wheel for vehicle is applied vibrations.
During described size adjustment vibration frequency according to described difference, if the difference of described obstacle distance and obstacle minor increment diminishes then vibration frequency is increased.
When described obstacle distance is lower than described obstacle minor increment, comprise also that simultaneously the phase chaufeur sends the approaching auditory tone cues of reminding of obstacle in the described step 3).
Described when chaufeur sends the auditory tone cues of the approaching prompting of obstacle, the frequency if the difference of described obstacle distance and obstacle minor increment diminishes with auditory tone cues increases.
The present invention also provides a kind of vehicle barrier monitoring device based on the bearing circle vibrations, comprise control unit, be used to detect the radar ranging unit of the obstacle distance nearest and be used for sending the vibrations unit of vibrations promptings according to obstacle distance apart from vehicle body, described control unit links to each other with the radar ranging unit, described vibrations unit comprises that at least one is fixed in the electromagnetic shaker on the steering wheel for vehicle, and described electromagnetic shaker links to each other with control unit.
Further improvement as the vehicle barrier monitoring device that the present invention is based on the bearing circle vibrations:
Described vibrations unit also comprises frequency converter, and described electromagnetic shaker links to each other with control unit by frequency converter.
Described electromagnetic shaker is the eccentric shaking motor.
Described control unit is fixed on the steering wheel for vehicle, and links to each other with the radar ranging unit by wireless network.
It also comprises the voice output unit and the tone controller that is used to control the output tone that is used for sending according to obstacle distance the vibrations prompting, and described voice output unit links to each other with control unit by tone controller.
The vehicle barrier monitoring method that the present invention is based on the bearing circle vibrations has following advantage:
1, the present invention can send prompting to chaufeur when obstacle is close, can play forewarning function to close obstacle to chaufeur, thereby can take corresponding measure to avoid accident to take place, have and realize that cost is low, it is effective to improve driving safety, remind intuitively effectively the advantage that Applicable scope is extensive.
2, the form of direction of passage dish vibrations of the present invention is sent prompting to chaufeur, because the hand of bearing circle and chaufeur can be kept in touch at any time, vibrations can make that the chaufeur focus is higher, consciousness is more concentrated, thereby be not easy to ignore the close prompting of obstacle, warning function is directly perceived strongly, safety is good.
3, the present invention further regulates vibration frequency by the difference according to obstacle distance and obstacle minor increment, and the difference of obstacle distance and obstacle minor increment diminishes and then vibration frequency is increased, make chaufeur more directly perceived to the variation of obstacle distance, warning function is directly perceived more strong, and safety is better.
4, the present invention further sends the approaching auditory tone cues of reminding of obstacle to chaufeur, and the frequency that diminishes then auditory tone cues in the difference of obstacle distance and obstacle minor increment increases, early warning is carried out in variation by sound and tone, because the people is relatively more responsive to tonal variations usually, make chaufeur more directly perceived to the variation of obstacle distance, warning function is directly perceived more strong, and safety is better.
The present invention is based on the vehicle barrier monitoring device of bearing circle vibrations owing to have the corresponding structure of vehicle barrier monitoring method, therefore also possess corresponding advantage in the advantage of above-mentioned vehicle barrier monitoring method based on the bearing circle vibrations based on the bearing circle vibrations.
Description of drawings
Fig. 1 is the method flow scheme drawing of the embodiment of the invention.
Fig. 2 is the framed structure scheme drawing of the embodiment of the invention.
Fig. 3 is the mounting structure scheme drawing of embodiment of the invention radar ranging unit.
Fig. 4 is the mounting structure scheme drawing of embodiment of the invention electromagnetic shaker.
Marginal data: 1, control unit; 2, radar ranging unit; 3, vibrations unit; 31, electromagnetic shaker; 32, frequency converter; 4, voice output unit; 5, tone controller.
The specific embodiment
As shown in Figure 1, the embodiment of the invention is as follows based on the implementation step of the vehicle barrier monitoring method of bearing circle vibrations:
1) is provided for sending the obstacle minor increment of prompting;
2) when vehicle operating, detect the obstacle distance nearest apart from vehicle body by range only radar;
3) obstacle distance and the obstacle minor increment that in real time current detection is obtained compares, and when obstacle distance during less than the obstacle minor increment, steering wheel for vehicle applied vibrations to send the approaching prompting of obstacle to chaufeur.
In the step 3) steering wheel for vehicle being applied vibrations specifically is meant: at first obtain the difference of obstacle distance and obstacle minor increment, then according to the size adjustment vibration frequency of difference, and according to this oscillation frequency steering wheel for vehicle is applied vibrations.In the present embodiment during according to the size adjustment vibration frequency of difference, if the difference of obstacle distance and obstacle minor increment diminishes then vibration frequency is increased.The size of oscillation frequency promotes often can for the enough focuses of chaufeur, changes as friction coefficient between velocity variations or the plane of action, and chaufeur consciousness is concentrated.
When obstacle distance is lower than the obstacle minor increment, also comprises simultaneously to chaufeur and send the approaching auditory tone cues of reminding of obstacle in the step 3).When chaufeur sent the auditory tone cues of the approaching prompting of obstacle, the frequency if the difference of obstacle distance and obstacle minor increment diminishes with auditory tone cues increased in the present embodiment.
In the present embodiment, read vehicle backing radar output data by vehicle-mounted computer and obtain the obstacle distance nearest, and obstacle distance information is exported by wireless network apart from vehicle body.The vehicle backing radar is when work, at first obtain the environment obstacle distance, the described information of obtaining is by infrared distance measurement module baseband processor, in order to whether there to be the detecting process of obstacle in each radiation direction in the control detection scope, and according to described phased antenna launched microwave signal and the time difference of accepting reflected signal, cooperate the aerial radiation direction, thereby determine the distance of automobile and obstacle.
As shown in Figure 2, the embodiment of the invention comprises control unit 1, is used to detect the radar ranging unit 2 of the obstacle distance nearest apart from vehicle body and is used for sending according to obstacle distance the vibrations unit 3 of vibrations prompting based on the vehicle barrier monitoring device of bearing circle vibrations, control unit 1 links to each other with radar ranging unit 2, vibrations unit 3 comprises that at least one is fixed in the electromagnetic shaker 31 on the steering wheel for vehicle, and electromagnetic shaker 31 links to each other with control unit 1.
As shown in Figure 3, control unit 1 is fixed on the steering wheel for vehicle in the present embodiment, and links to each other with radar ranging unit 2 by wireless network.Radar ranging unit 2 is installed in the afterbody of vehicle, radar ranging unit 2 comprises a wireless launcher, control unit 1 comprises a wireless receiver that is used for wireless launcher coupling, and receives obstacle distance signal from radar ranging unit 2 by wireless receiver.
Present embodiment comprises also and is used for sending the voice output unit 4 of vibrations prompting and being used to control the tone controller 5 of exporting tone according to obstacle distance that voice output unit 4 links to each other with control unit 1 by tone controller 5.When obstacle distance during less than the obstacle minor increment, the tone of voice output unit 4 outputs also can and change along with the variation of the difference between obstacle distance and the obstacle minor increment, difference between obstacle distance and the obstacle minor increment is more little, the tone of voice output unit 4 outputs is just high more ear-piercing more, thereby better at urgent prompting function constantly.
The working process of present embodiment is as follows: radar ranging unit 2 detects obstacle distance in real time and sends to control unit 1 by wireless network, control unit 1 carries out subtraction with obstacle distance with default obstacle minor increment in real time and obtains its difference, when obstacle distance during less than the obstacle minor increment, control unit 1 is to electromagnetic shaker 31 output vibrations control signals, to voice output unit 4 output sounds prompting control signal, and electromagnetic shaker 31 begins vibrations, voice output unit 4 sounding send prompting to chaufeur; Simultaneously in real time adjust frequency to electromagnetic shaker 31 output vibrations control signals, tone by tone controller 5 control sound output units 4 output sounds by frequency converter 32 according to the difference of obstacle distance and default obstacle minor increment, when obstacle distance during greater than the obstacle minor increment, warning automatically terminates.
The above only is a preferred implementation of the present invention, and protection scope of the present invention is not limited in above-mentioned embodiment, and every technical scheme that belongs to the principle of the invention all belongs to protection scope of the present invention.For a person skilled in the art, some improvements and modifications of under the prerequisite that does not break away from principle of the present invention, carrying out, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. vehicle barrier monitoring method based on bearing circle vibrations is characterized in that implementation step is as follows:
1) is provided for sending the obstacle minor increment of prompting;
2) when vehicle operating, detect the obstacle distance nearest apart from vehicle body by range only radar;
3) obstacle distance and the described obstacle minor increment that in real time current detection is obtained compares, and when described obstacle distance during less than described obstacle minor increment, steering wheel for vehicle applied vibrations to send the approaching prompting of obstacle to chaufeur.
2. the vehicle barrier monitoring method based on the bearing circle vibrations according to claim 1, it is characterized in that in the described step 3) steering wheel for vehicle being applied vibrations specifically is meant: the difference of at first obtaining described obstacle distance and obstacle minor increment, then according to the size adjustment vibration frequency of described difference, and according to this oscillation frequency steering wheel for vehicle is applied vibrations.
3. the vehicle barrier monitoring method based on the bearing circle vibrations according to claim 2, it is characterized in that: during described size adjustment vibration frequency according to described difference, if the difference of described obstacle distance and obstacle minor increment diminishes then vibration frequency is increased.
4. according to claim 1 or 2 or 3 described vehicle barrier monitoring methods based on the bearing circle vibrations, it is characterized in that: when described obstacle distance is lower than described obstacle minor increment, also comprises simultaneously to chaufeur and send the approaching auditory tone cues of reminding of obstacle in the described step 3).
5. the vehicle barrier monitoring method based on the bearing circle vibrations according to claim 4, it is characterized in that: described when chaufeur sends the auditory tone cues of the approaching prompting of obstacle, the frequency if the difference of described obstacle distance and obstacle minor increment diminishes with auditory tone cues increases.
6. vehicle barrier monitoring device based on bearing circle vibrations, it is characterized in that: it comprises control unit (1), be used to detect the radar ranging unit (2) of the obstacle distance nearest apart from vehicle body and be used for sending according to obstacle distance the vibrations unit (3) of vibrations prompting, described control unit (1) links to each other with radar ranging unit (2), described vibrations unit (3) comprises that at least one is fixed in the electromagnetic shaker (31) on the steering wheel for vehicle, and described electromagnetic shaker (31) links to each other with control unit (1).
7. the vehicle barrier monitoring device based on the bearing circle vibrations according to claim 6, it is characterized in that: described vibrations unit (3) also comprises frequency converter (32), described electromagnetic shaker (31) links to each other with control unit (1) by frequency converter (32).
8. the vehicle barrier monitoring device based on the bearing circle vibrations according to claim 7, it is characterized in that: described electromagnetic shaker (31) is the eccentric shaking motor.
9. the vehicle barrier monitoring device based on the bearing circle vibrations according to claim 8, it is characterized in that: described control unit (1) is fixed on the steering wheel for vehicle, and links to each other with radar ranging unit (2) by wireless network.
10. according to claim 6 or 7 or 8 or 9 described vehicle barrier monitoring devices based on the bearing circle vibrations, it is characterized in that: it comprises also and is used for sending the voice output unit (4) of vibrations prompting and being used to control the tone controller (5) of exporting tone according to obstacle distance that described voice output unit (4) links to each other with control unit (1) by tone controller (5).
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| CN 201110206368 CN102294984B (en) | 2011-07-22 | 2011-07-22 | Vehicle obstacle monitoring method based on vibration of steering wheel and device |
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| CN 201110206368 CN102294984B (en) | 2011-07-22 | 2011-07-22 | Vehicle obstacle monitoring method based on vibration of steering wheel and device |
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| CN102294984A true CN102294984A (en) | 2011-12-28 |
| CN102294984B CN102294984B (en) | 2013-03-20 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133459A (en) * | 2013-02-07 | 2013-06-05 | 中联重科股份有限公司 | Spill early warning method and device and engineering machinery for hydraulic system |
| CN103600692A (en) * | 2013-11-11 | 2014-02-26 | 徐志兴 | Intelligent vehicle prompt method and device |
| CN103723074A (en) * | 2013-12-26 | 2014-04-16 | 顺达（芜湖）汽车饰件有限公司 | Novel steering wheel for monitoring automotive lane shift |
| CN104428193A (en) * | 2012-04-20 | 2015-03-18 | 法雷奥开关和传感器有限责任公司 | Remote-controlled maneuvering of a motor vehicle using a portable communication device |
| CN105034946A (en) * | 2015-08-06 | 2015-11-11 | 北汽福田汽车股份有限公司 | Horn signal system and vehicle provided with same |
| CN105407179A (en) * | 2015-12-30 | 2016-03-16 | 广东翼卡车联网服务有限公司 | Interconnected remote control equipment mounted on car steering wheel and control method |
| CN108226853A (en) * | 2018-01-22 | 2018-06-29 | 西安蜂语信息科技有限公司 | Outdoor auxiliary instrument guidance method, device and outdoor auxiliary instrument |
| CN108583437A (en) * | 2018-05-07 | 2018-09-28 | 温州中佣科技有限公司 | A kind of vehicle driving system |
| CN108674310A (en) * | 2018-04-27 | 2018-10-19 | 信利光电股份有限公司 | A kind of vehicle drive safety prompting system and reminding method |
| CN109229056A (en) * | 2018-11-01 | 2019-01-18 | 北京长城华冠汽车技术开发有限公司 | Automobile safety-belt untying-state system for prompting and automobile safety-belt untying-state based reminding method |
| CN111942286A (en) * | 2020-08-03 | 2020-11-17 | 盐城同济汽车配件有限公司 | Steering wheel vibration prompt system for vehicle |
| CN112489449A (en) * | 2020-11-25 | 2021-03-12 | 迪蒙智慧交通科技有限公司 | Intelligent parking management method and system |
| CN113421436A (en) * | 2021-06-18 | 2021-09-21 | 浙江同善人工智能技术有限公司 | Wireless vehicle obstacle early warning system based on three-sense fusion |
| CN115179880A (en) * | 2022-07-26 | 2022-10-14 | 奇瑞汽车股份有限公司 | Car lamp state monitoring system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104428193A (en) * | 2012-04-20 | 2015-03-18 | 法雷奥开关和传感器有限责任公司 | Remote-controlled maneuvering of a motor vehicle using a portable communication device |
| CN103133459B (en) * | 2013-02-07 | 2015-10-07 | 中联重科股份有限公司 | The overflow method for early warning of hydraulic system, overflow prior-warning device and engineering machinery |
| CN103133459A (en) * | 2013-02-07 | 2013-06-05 | 中联重科股份有限公司 | Spill early warning method and device and engineering machinery for hydraulic system |
| CN103600692A (en) * | 2013-11-11 | 2014-02-26 | 徐志兴 | Intelligent vehicle prompt method and device |
| CN103600692B (en) * | 2013-11-11 | 2016-04-20 | 徐志兴 | Intelligent vehicle prompt method and device thereof |
| CN103723074A (en) * | 2013-12-26 | 2014-04-16 | 顺达（芜湖）汽车饰件有限公司 | Novel steering wheel for monitoring automotive lane shift |
| CN105034946B (en) * | 2015-08-06 | 2018-08-07 | 北京宝沃汽车有限公司 | Audible warning system and vehicle with it |
| CN105034946A (en) * | 2015-08-06 | 2015-11-11 | 北汽福田汽车股份有限公司 | Horn signal system and vehicle provided with same |
| CN105407179A (en) * | 2015-12-30 | 2016-03-16 | 广东翼卡车联网服务有限公司 | Interconnected remote control equipment mounted on car steering wheel and control method |
| CN108226853A (en) * | 2018-01-22 | 2018-06-29 | 西安蜂语信息科技有限公司 | Outdoor auxiliary instrument guidance method, device and outdoor auxiliary instrument |
| CN108674310A (en) * | 2018-04-27 | 2018-10-19 | 信利光电股份有限公司 | A kind of vehicle drive safety prompting system and reminding method |
| CN108583437A (en) * | 2018-05-07 | 2018-09-28 | 温州中佣科技有限公司 | A kind of vehicle driving system |
| CN109229056A (en) * | 2018-11-01 | 2019-01-18 | 北京长城华冠汽车技术开发有限公司 | Automobile safety-belt untying-state system for prompting and automobile safety-belt untying-state based reminding method |
| CN111942286A (en) * | 2020-08-03 | 2020-11-17 | 盐城同济汽车配件有限公司 | Steering wheel vibration prompt system for vehicle |
| CN112489449A (en) * | 2020-11-25 | 2021-03-12 | 迪蒙智慧交通科技有限公司 | Intelligent parking management method and system |
| CN113421436A (en) * | 2021-06-18 | 2021-09-21 | 浙江同善人工智能技术有限公司 | Wireless vehicle obstacle early warning system based on three-sense fusion |
| CN115179880A (en) * | 2022-07-26 | 2022-10-14 | 奇瑞汽车股份有限公司 | Car lamp state monitoring system and method |
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