CN212579743U - Vehicle lane change auxiliary system and vehicle - Google Patents
Vehicle lane change auxiliary system and vehicle Download PDFInfo
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- CN212579743U CN212579743U CN202020426576.5U CN202020426576U CN212579743U CN 212579743 U CN212579743 U CN 212579743U CN 202020426576 U CN202020426576 U CN 202020426576U CN 212579743 U CN212579743 U CN 212579743U
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Abstract
The utility model provides a vehicle lane change auxiliary system and vehicle, this system includes: the device comprises a speed distance detection device, a vehicle type recognition device, a controller and a prompt device, wherein in the running process of the self vehicle, the speed distance detection device detects the relative distance and the relative speed between a target vehicle of an adjacent lane and the self vehicle in real time, the vehicle type recognition device recognizes the vehicle type of the target vehicle, the controller comprehensively judges the lane change danger degree of the self vehicle and the driving behavior danger degree of the self vehicle according to the vehicle type of the target vehicle, the relative distance and the relative speed between the target vehicle and the self vehicle, and the prompt device prompts a driver. Through the utility model provides a vehicle lane change auxiliary system can judge lane change danger degree and the driving action danger degree of self-vehicle, carries out the lane change early warning to the driver, for driver's lane change action provides help, effectively improves traffic efficiency, avoids the emergence of traffic accident.
Description
Technical Field
The utility model relates to an automobile control field specifically, relates to a vehicle lane change auxiliary system and a vehicle.
Background
With the increasing living standard and the development of vehicle assembly technology, vehicles such as cars, high chassis off-road vehicles and commercial vehicles have become more and more popular and become important transportation means in people's lives. People have higher and higher requirements on vehicles, particularly the driving safety of automobiles.
In the prior art, when a vehicle is driven in a lane change way, a driver needs to observe rearview mirrors on two sides of the vehicle, the lane change is carried out according to an observation result, and the lane change is carried out under the condition that the vehicle is not suitable for lane change due to visual errors or insufficient driving experience of the driver, so that lane change errors or traffic accidents are caused.
SUMMERY OF THE UTILITY MODEL
To the technical problem who leads to lane change mistake or traffic accident because visual error or driving experience are not enough among the prior art, the utility model provides a vehicle lane change auxiliary system and vehicle adopts this system can judge lane change dangerous degree and the driving action dangerous degree of self-vehicle, carries out the lane change early warning to the driver, for the lane change action of driver provides help, effectively improves traffic efficiency, avoids the emergence of traffic accident.
In order to achieve the above object, an aspect of the present invention provides a lane-changing support system for a vehicle, including: the speed distance detection device is arranged on the self-vehicle and used for detecting the relative distance and the relative speed between a target vehicle of an adjacent lane and the self-vehicle in the running process of the self-vehicle; the vehicle type recognition device is arranged on the vehicle and used for acquiring image information of the target vehicle in the running process of the vehicle and recognizing the vehicle type of the target vehicle according to the image information; the controller is connected with the speed-distance detection device and the vehicle type recognition device and is used for judging the lane change danger degree of the self vehicle and the driving behavior danger degree of the self vehicle according to the relative distance between the target vehicle and the self vehicle, the relative speed between the target vehicle and the self vehicle and the vehicle type of the target vehicle; and the prompting device is installed on the vehicle, is electrically connected with the controller and is used for correspondingly prompting the vehicle type of the target vehicle, the lane changing danger degree of the vehicle and the driving behavior danger degree of the vehicle.
Further, the vehicle lane change assist system further includes: the vehicle speed detection device is arranged on the vehicle, connected with the controller and used for measuring the vehicle speed of the vehicle in the running process of the vehicle; the controller is also used for determining the lane changing difficulty degree of the self-vehicle according to the speed of the self-vehicle; the prompting device is also used for prompting the lane changing difficulty degree of the self vehicle.
Further, the speed distance detection device, the vehicle type recognition device, the prompt device and the vehicle speed detection device are connected to the controller through a vehicle CAN bus.
Further, the prompting device comprises an image prompting device and/or a sound prompting device.
Furthermore, the image prompting device is a liquid crystal display screen fixed above an instrument panel of the vehicle.
Further, the speed and distance detection device is a millimeter wave radar and is installed at two ends of a rear bumper of the self-vehicle.
Further, the vehicle type recognition device is a machine vision camera and is arranged below the left rear-view mirror and the right rear-view mirror of the self-vehicle.
Further, the speed detection device of the bicycle is an inertia measurement unit composed of a gyroscope and an accelerometer, and is fixed below a center console storage box of the bicycle.
The utility model discloses another aspect provides a vehicle, the vehicle install above the vehicle lane change auxiliary system.
The utility model provides a technical scheme, the utility model discloses following technological effect has at least:
adopt the utility model discloses a vehicle lane change auxiliary system, at the vehicle in-process of traveling, relative distance and relative speed between the target vehicle of speed apart from detection device real-time detection adjacent lane and the vehicle, motorcycle type recognition device discerns the motorcycle type of target vehicle simultaneously, again by the controller according to the vehicle type of target vehicle, the relative distance and the relative speed of target vehicle and vehicle synthesize the lane change danger degree of judging the vehicle and the driving action danger degree of vehicle, indicate to the driver through the suggestion device.
Through the utility model provides a vehicle lane change auxiliary system can judge lane change danger degree and the driving action danger degree of self-vehicle, carries out the lane change early warning to the driver, for driver's lane change action provides help, effectively improves traffic efficiency, avoids the emergence of traffic accident.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
Fig. 1 is a schematic view of a vehicle lane change assisting system provided by an embodiment of the present invention.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is only intended to illustrate and explain embodiments of the present invention, and is not intended to limit embodiments of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, top, bottom" and "upper" are generally used with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, vertical or gravitational direction.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, an embodiment of the present invention provides a lane change assisting system for a vehicle, including: the speed distance detection device is arranged on the self-vehicle and used for detecting the relative distance and the relative speed between a target vehicle of an adjacent lane and the self-vehicle in the running process of the self-vehicle; the vehicle type recognition device is arranged on the vehicle and used for acquiring image information of the target vehicle in the running process of the vehicle and recognizing the vehicle type of the target vehicle according to the image information; the controller is connected with the speed-distance detection device and the vehicle type recognition device and is used for judging the lane change danger degree of the self vehicle and the driving behavior danger degree of the self vehicle according to the relative distance between the target vehicle and the self vehicle, the relative speed between the target vehicle and the self vehicle and the vehicle type of the target vehicle; and the prompting device is installed on the vehicle, is electrically connected with the controller and is used for correspondingly prompting the vehicle type of the target vehicle, the lane changing danger degree of the vehicle and the driving behavior danger degree of the vehicle.
Specifically, the embodiment of the utility model provides an in, install speed apart from detection device and motorcycle type recognition device on the vehicle of own, in the vehicle driving process of own, speed apart from detection device and continuously surveying adjacent two lanes, when detecting the target vehicle, detect the relative distance and the relative speed of target vehicle and vehicle of own to send detected signal to the controller. The controller starts the vehicle type recognition device according to the detection signal, acquires image information of the target vehicle through the vehicle type recognition device, performs recognition analysis on the image information, determines the type of the target vehicle, feeds the vehicle type back to the controller, and judges the lane changing danger degree of the vehicle and the driving behavior danger degree of the vehicle according to the vehicle type, the relative distance between the target vehicle and the relative speed between the target vehicle and the vehicle. And correspondingly prompting the vehicle type of the target vehicle, the lane change danger degree of the vehicle and the driving behavior danger degree of the vehicle by the prompting device.
The relative distance between the target vehicle and the self-vehicle is used for judging the lane change danger degree of the self-vehicle, and the relative distance between the target vehicle and the self-vehicle and the relative speed between the target vehicle and the self-vehicle are used for judging the driving behavior danger degree of the self-vehicle. Specifically, it is first determined whether the relative distance is greater than a safe distance corresponding to the vehicle type, and if the relative distance is less than the safe distance corresponding to the vehicle type, it is determined that the lane change risk level is a lane change prohibition, and prompt information indicating that lane change driving by the driver is prohibited is output. And under the condition that the relative distance is greater than or equal to the safety distance corresponding to the vehicle type, forwarding the vehicle type, calculating collision time (namely the predicted time when the distance between the target vehicle and the vehicle of the vehicle collide in the current driving state) according to the relative distance and the relative speed, judging whether the collision time is less than the preset time corresponding to the vehicle type, under the condition that the collision time is less than the preset time corresponding to the vehicle type, judging that the driving behavior danger degree is dangerous driving, outputting prompt information and prompting a driver to change lanes at the moment to be dangerous. And under the condition that the collision time is more than or equal to the preset time corresponding to the type of the vehicle, judging that the dangerous driving degree is lane changing, namely the dangerous driving degree is lane changing when the relative distance is long and the collision time is long, and outputting prompt information indicating that lane changing is allowed.
According to the utility model provides a vehicle lane change auxiliary system can assess lane change danger degree and the driving action danger degree of self-vehicle, carries out the lane change early warning to the driver, for driver's lane change action provides help, effectively improves traffic efficiency, avoids the emergence of traffic accident.
Further, the speed distance detection device, the vehicle type recognition device, the prompt device and the vehicle speed detection device are connected to the controller through a vehicle CAN bus.
Specifically, the embodiment of the utility model provides an in the speed apart from detection device, motorcycle type recognition device, suggestion device and the speed detection device of car pass through vehicle CAN bus connection to controller, preferably, the speed detection device of car is through public CAN line connection to controller, with the speed of car that the speed detection device of car detected with other controlling means sharing, make things convenient for other controlling means to control the vehicle. The speed distance detection device, the vehicle type recognition device and the prompt device are connected to the controller through the private CAN lines, data transmitted on the private CAN lines do not affect the vehicle body control of a vehicle, the occupation of resources on the public CAN lines CAN be reduced, and the data transmission speed and the data processing speed of the public CAN lines are guaranteed.
Further, the prompting device comprises an image prompting device and/or a sound prompting device.
Specifically, in the embodiment of the present invention, the prompting device includes an image prompting device and/or a sound prompting device, which can be selected according to the actual situation of the user, and the present invention is not limited in this embodiment.
Furthermore, the image prompting device is a liquid crystal display screen fixed above an instrument panel of the vehicle.
Specifically, in the embodiment of the utility model provides an in, liquid crystal display can indicate the driving action dangerous degree of lane change dangerous degree and the self-vehicle of self-vehicle more directly perceived clearly, makes things convenient for the driver directly perceived, acquire prompt message fast.
In this embodiment, the model of the target vehicle is divided into: the corresponding safe distances of the motorcycle, the car and the truck are respectively 5 meters, 8 meters and 10 meters, and the preset time is respectively 2.5 seconds, 3 seconds and 3.5 seconds. When the type of the target vehicle is determined to be the motorcycle, if the relative distance between the target vehicle and the vehicle is less than 5 meters, displaying an icon of the motorcycle on a liquid crystal display screen and displaying text information of 'forbid lane changing'; if the relative distance between the target vehicle and the self vehicle is more than or equal to 5 meters and the collision time is less than 2.5 meters, displaying the icon of the motorcycle and the text information of the lane change danger on the liquid crystal display screen; if the relative distance between the target vehicle and the self vehicle is more than or equal to 5 meters and the collision time is more than or equal to 2.5 meters, displaying the icon of the motorcycle and displaying the text information of 'lane changing possible' on the liquid crystal display screen.
Further, the speed and distance detection device is a millimeter wave radar and is installed at two ends of a rear bumper of the self-vehicle.
Specifically, the embodiment of the utility model provides an in, millimeter wave radar resolution ratio is high, the interference killing feature is strong, can track a plurality of target vehicles on adjacent lane simultaneously, still has good pursuit effect under the condition that target vehicle is sheltered from by the part.
Further, the vehicle type recognition device is a machine vision camera and is arranged below the left rear-view mirror and the right rear-view mirror of the self-vehicle.
Specifically, the embodiment of the utility model provides an in, machine vision camera can survey the blind area in the adjacent lane of both sides at least 10m within ranges in real time. Based on the high-performance resolution of the camera and the deep learning target classification algorithm, the machine vision camera can classify detected target vehicles in real time and send the vehicle types to the controller.
Further, the speed detection device of the bicycle is an inertia measurement unit composed of a gyroscope and an accelerometer, and is fixed below a center console storage box of the bicycle.
Specifically, the embodiment of the utility model provides an in, inertia measuring unit CAN detect the speed of a motor vehicle, acceleration, the angular velocity of vehicle in the vehicle driving process to carry out data sharing through public CAN line and other controlling means.
Further, the vehicle lane change assist system further includes: the vehicle speed detection device is arranged on the vehicle, connected with the controller and used for measuring the vehicle speed of the vehicle in the running process of the vehicle; the controller is also used for determining the lane changing difficulty degree of the self-vehicle according to the speed of the self-vehicle; the prompting device is also used for prompting the lane changing difficulty degree of the self vehicle.
In particular, under the same conditions, the driving speed is high, the vehicle is easily disturbed by the outside world (including road disturbance and sudden gust disturbance), the stability is reduced, and the ability of the automobile to exactly respond to the steering instruction of the driver is also reduced. Therefore, in the embodiment of the utility model provides an in, vehicle lane change auxiliary system still includes the speed detection device of the car, and the speed of the car that can measure self in the driving process is evaluateed the difficult and easy degree of lane change according to the speed of a motor vehicle, further assists the driver to change the lane.
The embodiment of the utility model provides an in divide the speed of a motor vehicle into three grade: 0-60km/h, 60-100km/h, and more than 100 km/h. The corresponding lane changing difficulty degree is simple, medium and difficult. The speed of the vehicle is between 0 and 60km/h, the vehicle is easy to control and is not easy to generate danger, and prompt information can be output under the condition of meeting the safety distance and the collision time to prompt a driver to easily change lanes; the speed of the vehicle is between 60 and 100km/h, the stability of the vehicle body is reduced, and prompt information can be output under the condition of meeting the safety distance and the collision time to prompt a driver to have certain difficulty in lane changing; when the speed of the bicycle is more than 100km/h, the stability and the controllability of the bicycle body are poor, prompt information can be output under the condition of meeting the safe distance and the collision time, and a driver is prompted to have difficulty in lane changing, so that the driver with insufficient driving experience can keep running on a straight lane.
According to the utility model provides a vehicle lane change auxiliary system can assess the difficult and easy degree of lane change for the driver can comparatively understand the lane change condition directly perceivedly, improves the driving safety.
The utility model discloses another aspect provides a vehicle, the vehicle install above the vehicle lane change auxiliary system.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (9)
1. A vehicle lane change assist system, characterized by comprising:
the speed distance detection device is arranged on the self-vehicle and used for detecting the relative distance and the relative speed between a target vehicle of an adjacent lane and the self-vehicle in the running process of the self-vehicle;
the vehicle type recognition device is arranged on the vehicle and used for acquiring image information of the target vehicle in the running process of the vehicle and recognizing the vehicle type of the target vehicle according to the image information;
the controller is connected with the speed-distance detection device and the vehicle type recognition device and is used for judging the lane change danger degree of the self vehicle and the driving behavior danger degree of the self vehicle according to the relative distance between the target vehicle and the self vehicle, the relative speed between the target vehicle and the self vehicle and the vehicle type of the target vehicle;
and the prompting device is installed on the vehicle, is electrically connected with the controller and is used for correspondingly prompting the vehicle type of the target vehicle, the lane changing danger degree of the vehicle and the driving behavior danger degree of the vehicle.
2. The vehicle lane-change assist system of claim 1, further comprising:
the vehicle speed detection device is arranged on the vehicle, connected with the controller and used for measuring the vehicle speed of the vehicle in the running process of the vehicle;
the controller is also used for determining the lane changing difficulty degree of the self-vehicle according to the speed of the self-vehicle;
the prompting device is also used for prompting the lane changing difficulty degree of the self vehicle.
3. The vehicle lane-change assist system according to claim 2, wherein the speed distance detecting means, the vehicle type identifying means, the prompting means, and the vehicle speed detecting means are connected to the controller through a vehicle CAN bus.
4. The vehicle lane-change assist system according to claim 1, wherein the prompting device includes an image prompting device and/or an audio prompting device.
5. The vehicle lane-change assist system of claim 4, wherein the image-prompting device is a liquid crystal display fixed above a dashboard of the vehicle.
6. The vehicle lane-change assist system according to claim 1, wherein the speed detection means is a millimeter wave radar installed at both ends of a rear bumper of the own vehicle.
7. The vehicle lane-changing assistance system according to claim 1, wherein the vehicle type recognition device is a machine vision camera installed below left and right rear-view mirrors of the own vehicle.
8. The vehicle lane-change assist system according to claim 2, wherein the vehicle speed detection device is an inertial measurement unit composed of a gyroscope and an accelerometer, and is fixed below a console storage box of the vehicle.
9. A vehicle characterized in that the vehicle is equipped with the vehicle lane change assist system according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426576.5U CN212579743U (en) | 2020-03-27 | 2020-03-27 | Vehicle lane change auxiliary system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020426576.5U CN212579743U (en) | 2020-03-27 | 2020-03-27 | Vehicle lane change auxiliary system and vehicle |
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| CN212579743U true CN212579743U (en) | 2021-02-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859232A (en) * | 2021-10-30 | 2021-12-31 | 重庆长安汽车股份有限公司 | Vehicle automatic driving potential target prediction alarm method and system |
| CN115482687A (en) * | 2022-09-15 | 2022-12-16 | 吉咖智能机器人有限公司 | Method, apparatus, device and medium for vehicle lane change risk assessment |
-
2020
- 2020-03-27 CN CN202020426576.5U patent/CN212579743U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859232A (en) * | 2021-10-30 | 2021-12-31 | 重庆长安汽车股份有限公司 | Vehicle automatic driving potential target prediction alarm method and system |
| CN113859232B (en) * | 2021-10-30 | 2023-09-26 | 重庆长安汽车股份有限公司 | Method and system for predicting and alarming potential targets in automatic driving of vehicle |
| CN115482687A (en) * | 2022-09-15 | 2022-12-16 | 吉咖智能机器人有限公司 | Method, apparatus, device and medium for vehicle lane change risk assessment |
| CN115482687B (en) * | 2022-09-15 | 2024-05-07 | 吉咖智能机器人有限公司 | Method, device, equipment and medium for vehicle lane change risk assessment |
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