CN202669631U - Warning device for lane-changing and turning of automobile - Google Patents

Warning device for lane-changing and turning of automobile Download PDF

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Publication number
CN202669631U
CN202669631U CN 201220254941 CN201220254941U CN202669631U CN 202669631 U CN202669631 U CN 202669631U CN 201220254941 CN201220254941 CN 201220254941 CN 201220254941 U CN201220254941 U CN 201220254941U CN 202669631 U CN202669631 U CN 202669631U
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CN
China
Prior art keywords
vehicle
mcu
automobile
turning
warning
Prior art date
Application number
CN 201220254941
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Chinese (zh)
Inventor
夏华清
汤小生
马芳武
赵福全
Original Assignee
浙江吉利汽车研究院有限公司杭州分公司
浙江吉利汽车研究院有限公司
浙江吉利控股集团有限公司
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Application filed by 浙江吉利汽车研究院有限公司杭州分公司, 浙江吉利汽车研究院有限公司, 浙江吉利控股集团有限公司 filed Critical 浙江吉利汽车研究院有限公司杭州分公司
Priority to CN 201220254941 priority Critical patent/CN202669631U/en
Application granted granted Critical
Publication of CN202669631U publication Critical patent/CN202669631U/en

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Abstract

The utility model provides a warning device for lane-changing and turning of an automobile and belongs to the technical field of automotive electronics. The warning device is used for solving the problem of the prior art that the traffic potential safety hazard easily exists during the lane-changing and turning processes of the automobile. The warning device comprises a plurality of radar sensors and an automobile turning corner sensor, wherein the radar sensors are used for detecting distances between the lateral edges of the automobile and the barriers; the automobile turning corner sensor is used for detecting a turning angle signal of a steering wheel of the automobile; the automobile turning corner sensor is connected with a MCU (Micro Controller Unit); an output port and an input port of the MCU are respectively connected with input ends and output ends of the radar sensors; the MCU is connected with a warning device; and the MCU is used for controlling the radar sensors to work according to the turning angle signal of the steering wheel of the automobile, receiving the distance signals of the automobile and the barriers detected by the radar sensors, comparing the distance signals with a preset lower limit distance parameter value, and warning by controlling the warning device when the distances between the automobile and the barriers are less than a preset value. A detecting technology as same as a parking radar sensor is adopted by the warning device for realizing the timely warning at the lane-changing moment of the automobile and the driving safety is increased.

Description

A kind of vehicle lane change, the alarming device when turning
Technical field
The utility model belongs to technical field of automotive electronics, relates to a kind of vehicle lane change, the alarming device when turning.
Background technology
User vehicle rolls up at present, and road construction is more and more perfect.Vehicle under steam, because of various reasons such as road construction and city plannings, in the process of driving, change frequent or the turning driving phenomenon increases, though the various ways such as steering indicating light, back mirror, loudspeaker are arranged at present assists to change, to ensure safety, but the erroneous judgement that causes during because of the blind area of back mirror or because of driver fatigue more has the reasons such as vehicle on the road is too much to cause when existing vehicle lane-changing to travel the generation of safety misadventures such as colliding, knock into the back.The vehicle price of travelling on the road now just differs, the very expensive and trouble of maintenance behind the higher-priced vehicle collision, and it also is to be unable to make good a loss that low price has been hit higher-priced! If can realize that better traffic safety becomes the theme of research by driver assistance so a kind of the device arranged when automobile lane change and turning.
Summary of the invention
There are the problems referred to above in the utility model for existing technology, has proposed a kind of vehicle lane change, the alarming device when turning, and this device adopts the identical detection technique of Reverse Sensor to realize the prompting of vehicle lane-changing alarm, improves drive safety.
The utility model is realized by following technical proposal: a kind of vehicle lane change, alarming device during turning, it is characterized in that, this device comprises that several are for detection of the radar sensor of distance between automobile side and the obstacle with for detection of the vehicle rotary angle transmitter of steering wheel for vehicle corner angle signal, described vehicle rotary angle transmitter is connected with microcontroller, the delivery port of described MCU and input port connect respectively input end and the mouth of radar sensor, described MCU also is connected with annunciator, described MCU is used for according to steering wheel for vehicle angular signal control radar working sensor, and the vehicle that detects of receiving radar sensor and the range signal of obstacle and the lower limit distance parameter value of MCU inner setting compare, and the distance of judging vehicle and obstacle during less than setting value the control annunciator warn.
Automobile is in lane change, turn, when chaufeur is beaten the bearing circle wide-angle, rotary angle transmitter detects the rotational angle of bearing circle and the rotational angle information of the bearing circle that detects is sent to MCU, MCU judges that according to rotational angle information automobile is in lane change, control radar sensor startup work during turning, radar sensor begins to detect the range signal between body side and the obstacle, MCU receives in real time the range signal between body side and the obstacle and compares with the lower limit distance parameter value of inner setting, when the distance of judging vehicle and obstacle during less than setting value, MCU sent control command control annunciator and warns when namely the vehicle body of vehicle was in unsafe range.
In the alarming device when above-mentioned vehicle lane change, turning, the mouth of described vehicle rotary angle transmitter is connected in the MCU input port, described MCU be used for to receive rotating of steering wheel angle signal that the vehicle rotary angle transmitter detects and compares with reference to the gyration predetermined value in the bearing circle upper limit of setting, in bearing circle control radar sensor work during greater than predetermined value.The vehicle rotary angle transmitter detects after the rotating of steering wheel angle to be compared by MCU judges whether vehicle is in lane change, this situation with safety traffic hidden danger of turning.
In the alarming device when above-mentioned vehicle lane change, turning, described MCU is micro controller system.Micro controller system is lower as integrated control components and parts price, thereby has reduced the cost of this alarming device.
In the alarming device when above-mentioned vehicle lane change, turning, the both sides of described radar sensor setting and vehicle.In lane change, when turning, the both sides of a traffic automobile body that occurs easily are not easy to be observed or to notice, need radar sensor to help to detect the safety distance of vehicle body both sides, make things convenient for the MCU auxiliary judgment.
In the alarming device in above-mentioned vehicle lane change, when turning, the number of described radar sensor is four, and a side of vehicle is divided and is arranged two.
In the alarming device when above-mentioned vehicle lane change, turning, described annunciator is buzzer phone.MCU control buzzer phone sends tweeting sound chaufeur is pointed out.
As second scheme of the present utility model, in the alarming device when above-mentioned vehicle lane change, turning, the mouth of described vehicle rotary angle transmitter is connected in the MCU input port by automobile ECU.Indirectly the bearing circle signal that the vehicle rotary angle transmitter detects is sent to MCU by ECU, the convenient bearing circle signal that detects can be applied to the other side of automobile by ECU.
Prior art is compared, and the utlity model has following advantage:
1, the utility model carries out detecting by radar sensor safety distance to the both sides of vehicle body when automobile turning and the lane change, vehicle body be in set safety distance send alarming sound by the control annunciator during minor increment navigating mate warned, improve drive safety.
2, the utlity model has the rotational angle of beating bearing circle by chaufeur and automatically start radar sensor and detect, make this alarming device more intelligent, reaction has more hommization fast.
Description of drawings
Fig. 1 is embodiment one structural representation of the present utility model;
Fig. 2 is embodiment two structural representations of the present utility model.
Among the figure 1, MCU; 2, vehicle rotary angle transmitter; 3, annunciator; 4, radar sensor; 5, ECU.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment one, and as shown in Figure 1, the lane change of this vehicle, the alarming device when turning comprise that several are for detection of the radar sensor of distance between automobile side and the obstacle with for detection of the vehicle rotary angle transmitter of steering wheel for vehicle corner angle signal.Radar sensor arranges the both sides with vehicle, and the number that radar sensor under the pattern is arranged most is four, and a side of vehicle is divided and is arranged two.The vehicle rotary angle transmitter is connected with microcontroller, and the delivery port of MCU and input port connect respectively input end and the mouth of radar sensor, and MCU also is connected with annunciator, and the annunciator here is buzzer phone.
MCU is used for according to steering wheel for vehicle angular signal control radar working sensor, and the vehicle that detects of receiving radar sensor and the range signal of obstacle and the lower limit distance parameter value of MCU inner setting compare, and the distance of judging vehicle and obstacle during less than setting value the control annunciator warn.The MCU here is micro controller system.
The mouth of vehicle rotary angle transmitter is connected in the MCU input port, MCU be used for to receive rotating of steering wheel angle signal that the vehicle rotary angle transmitter detects and compares with reference to the gyration predetermined value in the bearing circle upper limit of setting, in bearing circle control radar sensor work during greater than predetermined value.
Embodiment two, as shown in Figure 2, all the other connection structures such as the embodiment one of the lane change of this vehicle, the alarming device when turning, unique different be that the mouth of vehicle rotary angle transmitter is connected in the MCU input port by automobile ECU.The mouth of vehicle rotary angle transmitter connects the input port of ECU, and the ECU delivery port connects the MCU input port.The range information that the vehicle rotary angle transmitter detects sends to first ECU, conveniently is used in other control in the automobile after ECU stores sensor signal.ECU connects by the CAN bus and MCU carries out communication.ECU is electronic control unit, claims again " car running computer ", " vehicle-mounted computer " etc.Then be the automobile specified microcomputerized controller from purposes, also be the automobile specified micro controller system.Formed by large-scale integration circuiies such as microprocessor, memory device, input/output interface, A and D converter and shaping, drivings.
Below be the principle of work of this automobile-used traffic lights automatic identification equipment:
Automobile is in lane change, turn, chaufeur needs wide-angle to beat bearing circle, steering wheel angle sensor detects the rotational angle of bearing circle and the rotational angle information of the bearing circle that detects is sent to MCU, MCU is turning or lane change according to upper limit parameter value and the definite current automobile of judgement that rotational angle information contrasts predefined rotating of steering wheel angle, when judging that automobile is in lane change, control radar sensor startup work during turning, radar sensor begins to detect the range signal between body side and the obstacle, MCU receives in real time the range signal between body side and the obstacle and compares with the lower limit distance parameter value of inner setting, when the distance of judging vehicle and obstacle during less than setting value, be the vehicle body of vehicle when being in unsafe range, MCU sends control command control buzzer phone and sends tweeting sound chaufeur is warned.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as ECU 1, color diagnosis unit 2, flashing sign 3, voice reminder module 4, traffic lights 5, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims (7)

1. vehicle lane change, alarming device during turning, it is characterized in that, this device comprises that several are for detection of the radar sensor (4) of distance between automobile side and the obstacle with for detection of the vehicle rotary angle transmitter (2) of steering wheel for vehicle corner angle signal, described vehicle rotary angle transmitter (2) is connected with microcontroller (1), described MCU(1) delivery port and input port connect respectively input end and the mouth of radar sensor (4), described MCU(1) also is connected with annunciator (3), described MCU(1) is used for working according to steering wheel for vehicle angular signal control radar sensor (4), and the vehicle that detects of receiving radar sensor (4) and range signal and the MCU(1 of obstacle) the lower limit distance parameter value of inner setting compares, and the distance of judging vehicle and obstacle during less than setting value control annunciator (3) warn.
2. vehicle lane change according to claim 1, the alarming device when turning, it is characterized in that, the mouth of described vehicle rotary angle transmitter (2) is connected in MCU(1) input port, described MCU(1) be used for to receive rotating of steering wheel angle signal that vehicle rotary angle transmitter (2) detects and compare with reference to the gyration predetermined value in the bearing circle upper limit of setting, in bearing circle control radar sensor (4) work during greater than predetermined value.
3. vehicle lane change according to claim 2, the alarming device when turning is characterized in that described radar sensor (4) arranges the both sides with vehicle.
4. according to claim 1 and 2 or 3 described vehicle lane changes, the alarming device when turning, it is characterized in that the number of described radar sensor (4) is four, a side of vehicle is divided and is arranged two.
5. vehicle lane change according to claim 4, the alarming device when turning is characterized in that described annunciator (3) is buzzer phone.
6. vehicle lane change according to claim 5, the alarming device when turning is characterized in that described MCU(1) be micro controller system.
7. vehicle lane change according to claim 1, the alarming device when turning is characterized in that the mouth of described vehicle rotary angle transmitter (2) is connected in MCU(1 by automobile ECU (5)) input port.
CN 201220254941 2012-05-29 2012-05-29 Warning device for lane-changing and turning of automobile CN202669631U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN202669631U true CN202669631U (en) 2013-01-16

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103395391A (en) * 2013-07-03 2013-11-20 北京航空航天大学 Lane changing warning device and lane changing state identifying method for vehicle
CN104276232A (en) * 2014-09-24 2015-01-14 小米科技有限责任公司 Vehicle steering prompt method and vehicle steering prompt device
CN104369710A (en) * 2014-11-28 2015-02-25 蒙政涛 Barrier warning device for intelligent vehicle turning
CN105015413A (en) * 2015-07-01 2015-11-04 奇瑞汽车股份有限公司 Blind-area monitoring system for vehicles, and control method of blind-area monitoring system
CN105564307A (en) * 2016-01-13 2016-05-11 上海汽车集团股份有限公司 Vehicle side turning safety reminding device and method
CN105774651A (en) * 2014-12-26 2016-07-20 德尔福电子(苏州)有限公司 Vehicle lane change auxiliary system
CN106627759A (en) * 2016-10-16 2017-05-10 厦门精图信息技术有限公司 Vehicle frequent lane changing monitoring system and method based on Beidou positioning technology
CN106828292A (en) * 2017-02-27 2017-06-13 李良杰 Turn inside diameter blind area reminding system
WO2018023385A1 (en) * 2016-08-02 2018-02-08 张阳 Vecicle lane-change alarm method and alarm system
WO2018023386A1 (en) * 2016-08-02 2018-02-08 张阳 Method for collecting use data of lane change early warning technology and alarm system
CN108162855A (en) * 2017-03-30 2018-06-15 广东东箭汽车科技股份有限公司 A kind of automobile lane change auxiliary system and its control method and application
CN108248678A (en) * 2018-01-15 2018-07-06 北京新能源汽车股份有限公司 A kind of Vehicular electric control system and electric vehicle

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103395391A (en) * 2013-07-03 2013-11-20 北京航空航天大学 Lane changing warning device and lane changing state identifying method for vehicle
CN103395391B (en) * 2013-07-03 2015-08-05 北京航空航天大学 A kind of vehicle lane-changing alarming device and change state identification method
CN104276232A (en) * 2014-09-24 2015-01-14 小米科技有限责任公司 Vehicle steering prompt method and vehicle steering prompt device
CN104369710A (en) * 2014-11-28 2015-02-25 蒙政涛 Barrier warning device for intelligent vehicle turning
CN105774651A (en) * 2014-12-26 2016-07-20 德尔福电子(苏州)有限公司 Vehicle lane change auxiliary system
CN105015413A (en) * 2015-07-01 2015-11-04 奇瑞汽车股份有限公司 Blind-area monitoring system for vehicles, and control method of blind-area monitoring system
CN105015413B (en) * 2015-07-01 2017-12-12 奇瑞汽车股份有限公司 Vehicle blind zone monitoring system and its control method
CN105564307A (en) * 2016-01-13 2016-05-11 上海汽车集团股份有限公司 Vehicle side turning safety reminding device and method
CN105564307B (en) * 2016-01-13 2017-11-14 上海汽车集团股份有限公司 Vehicle side turning security based reminding method
WO2018023385A1 (en) * 2016-08-02 2018-02-08 张阳 Vecicle lane-change alarm method and alarm system
WO2018023386A1 (en) * 2016-08-02 2018-02-08 张阳 Method for collecting use data of lane change early warning technology and alarm system
CN106627759A (en) * 2016-10-16 2017-05-10 厦门精图信息技术有限公司 Vehicle frequent lane changing monitoring system and method based on Beidou positioning technology
CN106828292A (en) * 2017-02-27 2017-06-13 李良杰 Turn inside diameter blind area reminding system
CN108162855A (en) * 2017-03-30 2018-06-15 广东东箭汽车科技股份有限公司 A kind of automobile lane change auxiliary system and its control method and application
CN108248678A (en) * 2018-01-15 2018-07-06 北京新能源汽车股份有限公司 A kind of Vehicular electric control system and electric vehicle

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