CN102294984B - 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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- CN102294984B CN102294984B CN 201110206368 CN201110206368A CN102294984B CN 102294984 B CN102294984 B CN 102294984B CN 201110206368 CN201110206368 CN 201110206368 CN 201110206368 A CN201110206368 A CN 201110206368A CN 102294984 B CN102294984 B CN 102294984B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 238000012806 monitoring device Methods 0.000 claims abstract description 9
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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 socioeconomic development, 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 Reverse Sensor, the Reverse Sensor prompting of generally only sounding in the approach of vehicles obstacle.But work as vehicle in driving procedure, often owing to factors such as noise, focuses, cause easily chaufeur to ignore the obstacle auditory tone cues, thereby cause the scraping collision case of vehicle, economic loss, even cause serious traffic accident.
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 obstacle monitoring method and device based on vibration of steering wheel that Applicable scope is extensive.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of vehicle obstacle monitoring method based on vibration of steering wheel, 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 are obtained compare, and when described obstacle distance during less than described obstacle minor increment, steering wheel for vehicle are applied vibrations to send the approaching prompting of obstacle to chaufeur.
Further improvement as the vehicle obstacle monitoring method that the present invention is based on vibration of steering wheel:
Described step 3) in steering wheel for vehicle being applied vibrations specifically refers to: 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.
Described step 3) when described obstacle distance is lower than described obstacle minor increment, comprises also that simultaneously the phase chaufeur sends the approaching auditory tone cues of reminding of obstacle in.
Described when sending the approaching auditory tone cues of reminding of obstacle to chaufeur, if the difference of described obstacle distance and obstacle minor increment diminishes with the frequency increase of auditory tone cues.
The present invention also provides a kind of vehicle barrier monitoring device based on vibration of steering wheel, comprise control unit, for detection of the radar ranging unit of the nearest obstacle distance of distance vehicle body be used for sending according to obstacle distance the vibrations unit of vibration prompting, 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 vibration of steering wheel:
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 comprises also for the voice output unit that sends vibration prompting according to obstacle distance and is used for the tone controller that tone is exported in control that described voice output unit links to each other with control unit by tone controller.
The vehicle obstacle monitoring method that the present invention is based on vibration of steering wheel 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 occur, 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 present invention sends prompting by the form of vibration of steering wheel to chaufeur, because the hand of bearing circle and chaufeur can be kept in touch at any time, vibrations can be so that the chaufeur focus be 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, so that chaufeur is more directly perceived to the variation of obstacle distance, warning function is more directly perceived 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 usually relatively responsive to tonal variations, so that chaufeur is more directly perceived to the variation of obstacle distance, warning function is more directly perceived strong, and safety is better.
The present invention is based on the vehicle barrier monitoring device of vibration of steering wheel owing to have based on the corresponding structure of the vehicle obstacle monitoring method of vibration of steering wheel, therefore also possess corresponding advantage in the advantage of above-mentioned vehicle obstacle monitoring method based on vibration of steering wheel.
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 obstacle monitoring method of vibration of steering wheel:
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 are obtained compare, and when obstacle distance during less than the obstacle minor increment, steering wheel for vehicle are applied vibrations to send the approaching prompting of obstacle to chaufeur.
Step 3) in steering wheel for vehicle being applied vibrations specifically refers to: 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 such as friction coefficient between velocity variations or the plane of action, and chaufeur consciousness is concentrated.
Step 3) 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.When sending the approaching auditory tone cues of reminding of obstacle to chaufeur in the present embodiment, if the difference of obstacle distance and obstacle minor increment diminishes with the frequency increase of auditory tone cues.
In the present embodiment, read vehicle backing radar output data by vehicle-mounted computer and obtain the obstacle distance nearest apart from vehicle body, and by wireless network with the obstacle distance information output.The vehicle backing radar is when work, at first obtain the Environment Obstacles object distance from, described obtaining information is by infrared distance measurement module baseband processor, in order to control the detecting process that whether has obstacle in the detection range in each radiation direction, 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 based on the vehicle barrier monitoring device of vibration of steering wheel comprise control unit 1, for detection of the radar ranging unit 2 of the nearest obstacle distance of distance vehicle body be used for sending according to obstacle distance the vibrations unit 3 of vibration prompting, 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 the wireless launcher coupling, and receives obstacle distance signal from radar ranging unit 2 by wireless receiver.
Present embodiment comprises also for the voice output unit 4 that sends vibration prompting according to obstacle distance and is used for the tone controller 5 that tone is exported in control 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 less, the tone of voice output unit 4 outputs is just more high more ear-piercing, thereby better at the prompting function of Emergency time.
The working process of present embodiment is as follows: radar ranging unit 2 detects in real time obstacle distance 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 of vibration 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 of vibration control signals, tone by tone controller 5 control voice output units 4 output sounds according to the difference of obstacle distance and default obstacle minor increment by frequency converter 32, when obstacle distance during greater than the obstacle minor increment, warning automatically terminates.
The above only is 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 (5)
1. vehicle obstacle monitoring method based on vibration of steering wheel 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 are obtained compare, and when described obstacle distance during less than described obstacle minor increment, steering wheel for vehicle are applied vibrations to send the approaching prompting of obstacle to chaufeur;
In the described step 3) steering wheel for vehicle being applied vibrations specifically refers to: 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, also comprises simultaneously to chaufeur and send the approaching auditory tone cues of reminding of obstacle in the described step 3);
Described when sending the approaching auditory tone cues of reminding of obstacle to chaufeur, if the difference of described obstacle distance and obstacle minor increment diminishes with the frequency increase of auditory tone cues.
2. vehicle barrier monitoring device based on vibration of steering wheel, it is characterized in that: it comprises control unit (1), for detection of the radar ranging unit (2) of the nearest obstacle distance of distance vehicle body be used for sending according to obstacle distance the vibrations unit (3) of vibration 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);
Described vibrations unit (3) also comprises frequency converter (32), and described electromagnetic shaker (31) links to each other with control unit (1) by frequency converter (32).
3. the vehicle barrier monitoring device based on vibration of steering wheel according to claim 2, it is characterized in that: described electromagnetic shaker (31) is the eccentric shaking motor.
4. the vehicle barrier monitoring device based on vibration of steering wheel according to claim 3, 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.
5. according to claim 2 or 3 or 4 described vehicle barrier monitoring devices based on vibration of steering wheel, it is characterized in that: it comprises also for the voice output unit (4) that sends vibration prompting according to obstacle distance and is used for the tone controller (5) that tone is exported in control that described voice output unit (4) links to each other with control unit (1) by tone controller (5).
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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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 CN102294984A (en) | 2011-12-28 |
| CN102294984B true CN102294984B (en) | 2013-03-20 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102012007986A1 (en) * | 2012-04-20 | 2013-10-24 | Valeo Schalter Und Sensoren Gmbh | Remote 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 |
| 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 |
| 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 |
| CN115723670A (en) * | 2021-08-31 | 2023-03-03 | 博泰车联网科技(上海)股份有限公司 | Safety reminding method and device, electronic equipment, readable storage medium and vehicle |
| 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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