阅读说明：本技术 重型车盲区监测及预警系统 (Heavy-duty vehicle blind area monitoring and early warning system ) 是由 冯梦琦 费明浩 蔡欣呈 丁天澄 汪涛 黄淑仪 于 2021-07-14 设计创作，主要内容包括：本发明公开了一种重型车盲区监测及预警系统,涉及盲区预警系统技术领域,解决了现有的视线盲区预警方法会转移驾驶员部分注意力等问题。包括：物体检测模块,用于获取重型车盲区内的物体检测信息；信息处理模块,用于对检测信息进行分析,记录盲区内物体的运动位置以及运动状态；危险预测模块,用于根据盲区内物体的位置和运动状态,划分其危险系数；预警模块,用于根据最高危险系数发出预警信息,预警信息包括对车内驾驶员进行预警的驾驶侧信息以及对车外行人或车辆进行警示的车外预警信息。达到了通过获取车辆盲区视野,实时监测车身周围移动物,并为其划分危险等级来进行直接预警,提高安全性的效果。(The invention discloses a heavy-duty vehicle blind area monitoring and early warning system, relates to the technical field of blind area early warning systems, and solves the problems that partial attention of a driver can be diverted by the existing sight blind area early warning method and the like. The method comprises the following steps: the object detection module is used for acquiring object detection information in a dead zone of the heavy-duty vehicle; the information processing module is used for analyzing the detection information and recording the motion position and the motion state of the object in the blind area; the danger prediction module is used for dividing danger coefficients of objects in the blind area according to the positions and the motion states of the objects in the blind area; and the early warning module is used for sending out early warning information according to the highest danger coefficient, wherein the early warning information comprises driving side information for early warning a driver in the vehicle and vehicle-outside early warning information for warning pedestrians or vehicles outside the vehicle. The vehicle blind area visual field is obtained, moving objects around the vehicle body are monitored in real time, the danger level is divided for the moving objects, and therefore the effect of improving safety is achieved.)

1. The utility model provides a heavy-duty vehicle blind area monitoring and early warning system which characterized in that: the method comprises the following steps:

the object detection module is used for acquiring object detection information in a dead zone of the heavy-duty vehicle;

the information processing module is used for analyzing the detection information and recording the motion position and the motion state of the object in the blind area;

the danger prediction module is used for dividing danger coefficients of objects in the blind area according to the positions and the motion states of the objects in the blind area;

and the early warning module is used for sending out early warning information according to the highest danger coefficient, wherein the early warning information comprises driving side information for early warning a driver in the vehicle and vehicle-outside early warning information for warning pedestrians or vehicles outside the vehicle.

2. The blind area monitoring and early warning system for heavy vehicles according to claim 1, characterized in that: the object detection module comprises a plurality of radars for sensing the closest obstacle in the blind zone.

3. The blind area monitoring and early warning system for heavy vehicles according to claim 1 or 2, characterized in that: the analysis of the detection information includes identifying objects within the blind zone, classifying the identified objects, and tracking and locating each object.

4. The blind area monitoring and early warning system for heavy vehicles according to claim 1, characterized in that: the danger prediction module calculates the current speed and the collision time T of the vehicle body and the object under the current speed state of the current object according to the motion position and the motion state of the object, and the collision time T is a preset value T when no collision is predicted_MAnd dividing the danger coefficient according to the transverse distance L between the object and the vehicle body and the predicted collision time T.

5. The blind area monitoring and early warning system for heavy vehicles according to claim 4, characterized in that: the danger coefficient is divided into 0-3 grade, L_0~2And T_0~2Is a predetermined value, T_M≥T₁，

L₁≤L≤L₀Or T is more than or equal to T₁When, risk factor = 1;

L₂≤L<L₁or T₂≤T<T₁When, risk factor = 2;

L<L₂or T<T₂Risk factor = 3.

6. The blind area monitoring and early warning system for heavy vehicles according to claim 5, characterized in that:

the early warning module comprises a voice broadcasting system, when the highest risk coefficient =1, the driving side information prompts attention through the voice broadcasting system, and vehicles or pedestrians enter a visual field blind area to please drive cautiously;

when the danger coefficient =2, the driving side information prompts 'alarm, vehicle or pedestrian out of control risk, and please slow down and walk' through a voice broadcasting system;

when the danger coefficient =3, the driving side information prompts danger through a voice broadcasting system! Please check for parking.

7. The blind area monitoring and early warning system for heavy vehicles according to claim 5 or 6, characterized in that: the early warning module still includes the blind area projection arrangement that is used for instructing vehicle blind area position, and danger coefficient =1 and when the projection function was started, blind area projection arrangement opened.

8. The blind area monitoring and early warning system for heavy vehicles according to claim 5 or 6, characterized in that: the early warning module further comprises a plurality of warning lamps and an alarm which are connected with the vehicle body, and when the danger coefficient =2, the early warning information outside the vehicle comprises the flickering of the warning lamps; when the danger coefficient =3, the early warning information outside the vehicle includes the flashing of a warning lamp and the sounding of an alarm.

9. The blind area monitoring and early warning system for heavy vehicles according to claim 5, characterized in that: the early warning module further comprises a straight and turning collision database, when the danger coefficient is larger than or equal to 2, the early warning module corresponds to the straight and turning collision database according to the motion position and the motion state of the object, outputs an optimal action solution, and prompts the optimal action solution through a voice broadcasting system according to the information of the driving side.

Technical Field

The invention relates to the technical field of blind area early warning systems, in particular to a heavy-duty vehicle blind area monitoring and early warning system.

Background

The prior art starts to solve the problem of sight blind areas from three directions, the first method eliminates the sight blind areas by modifying a rearview mirror or a perspective auxiliary glasses of an automobile, so that partial attention of a driver is transferred while the sight blind areas are eliminated, and the danger coefficient is improved; the second method utilizes ultrasonic waves, infrared rays, radars, cameras and the like to detect the distance between a barrier and a vehicle body, and splices the surrounding environment of the vehicle body onto a central console for a driver to observe, so that the method prolongs the reaction time of the driver, and causes untimely operation and improper operation; the third method utilizes the V2X technology to connect the pedestrian and vehicle roads and the like to one block to acquire mutual information to solve the problem of blind sight areas, and the method is difficult to realize and has high land falling cost.

Disclosure of Invention

The invention aims to provide a heavy-duty vehicle blind area monitoring and early warning system which can carry out direct early warning by acquiring the field of vision of the vehicle blind area, monitoring moving objects around a vehicle body in real time and classifying danger grades for the moving objects, thereby improving the safety.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a heavy-duty vehicle blind area monitoring and early warning system, includes:

the object detection module is used for acquiring object detection information in a dead zone of the heavy-duty vehicle;

the information processing module is used for analyzing the detection information and recording the motion position and the motion state of the object in the blind area;

the danger prediction module is used for dividing danger coefficients of objects in the blind area according to the positions and the motion states of the objects in the blind area;

and the early warning module is used for sending out early warning information according to the highest danger coefficient, wherein the early warning information comprises driving side information for early warning a driver in the vehicle and vehicle-outside early warning information for warning pedestrians or vehicles outside the vehicle.

Further, the object detection module includes a plurality of radars for sensing the closest obstacle within the blind zone.

Further, the analysis of the detection information includes identifying objects within the blind zone, classifying the identified objects, and tracking and locating the objects.

Furthermore, the danger prediction module calculates the current speed and the collision time T between the vehicle body and the object under the current speed state of the object according to the motion position and the motion state of the object, and the collision time T is a preset value T when no collision is predicted_MAnd dividing the danger coefficient according to the transverse distance L between the object and the vehicle body and the predicted collision time T.

Further, the risk factor is classified into 0-3 class, L_0~3And T_0~3Is a predetermined value, T_M≥T₁，

L₁≤L≤L₀Or T is more than or equal to T₁When, risk factor = 1;

L₂≤L<L₁or T₂≤T<T₁When, risk factor = 2;

L<L₂or T<T₂Risk factor = 3.

Furthermore, the early warning module comprises a voice broadcasting system, when the highest risk coefficient =1, the driving side information prompts 'caution, vehicle or pedestrian enters a blind area of visual field, please drive cautiously' through the voice broadcasting system;

when the danger coefficient =2, the driving side information prompts 'alarm, vehicle or pedestrian out of control risk, and please slow down and walk' through a voice broadcasting system;

when the danger coefficient =3, the driving side information prompts danger through a voice broadcasting system! Please check for parking.

Furthermore, the early warning module still includes the blind area projection arrangement that is used for instructing vehicle blind area position, and when danger coefficient =1 and the projection function was started, blind area projection arrangement opened.

Furthermore, the early warning module further comprises a plurality of warning lamps and an alarm which are connected with the vehicle body, and when the danger coefficient =2, the early warning information outside the vehicle comprises the flickering of the warning lamps; when the danger coefficient =3, the early warning information outside the vehicle includes the flashing of a warning lamp and the sounding of an alarm.

Furthermore, the early warning module further comprises a straight and turning collision database, when the danger coefficient is larger than or equal to 2, the early warning module outputs an optimal action solution according to the object motion position and motion state corresponding to the straight and turning collision database, and the driving side information is used for prompting through a voice broadcasting system.

In conclusion, the invention has the following beneficial effects:

through obtaining the vehicle blind area field of vision, remove the thing around the real-time supervision automobile body to for it divides danger level and carries out direct early warning, the early warning module has included driving side information and outer early warning information of car, not only indicates driver's blind area information and operation suggestion, still indicates outer vehicle or pedestrian with the blind area scope and warn, improves driving safety.

Drawings

Fig. 1 is a schematic diagram of the structural principle of the present invention.

Detailed Description

The following further describes the embodiments of the present invention with reference to the drawings, and the present embodiment is not to be construed as limiting the invention.

A heavy vehicle blind area monitoring and early warning system, as shown in figure 1, includes:

the object detection module is used for acquiring object detection information in a dead zone of the heavy-duty vehicle; the object detection module comprises a camera and a plurality of radars, the radars are used for sensing the closest obstacles in the blind area, and the camera and the radar are fused for carrying out 360-degree auxiliary detection;

the information processing module is used for analyzing the detection information and recording the motion position and the motion state of the object in the blind area; the analysis of the detection information comprises the steps of identifying objects in the blind areas, classifying the identified objects, tracking and positioning each object, positioning and analyzing the objects in all the blind areas, and analyzing only a plurality of closest targets;

the danger prediction module is used for dividing danger coefficients of objects in the blind area according to the positions and the motion states of the objects in the blind area;

specifically, the danger prediction module calculates the current speed and the collision time T of the vehicle body and the object under the current speed state of the object according to the motion position and the motion state of the object, and the collision time T is a preset value T when no collision is predicted_MDividing a danger coefficient according to the transverse distance L between the object and the vehicle body and the predicted collision time T;

wherein the danger coefficient is 0-3 grade, L_0~3And T_0~3Is a predetermined value, T_M≥T₁，

L₁≤L≤L₀Or T is more than or equal to T₁When, risk factor = 1;

L₂≤L<L₁or T₂≤T<T₁When, risk factor = 2;

L<L₂or T<T₂When the risk factor =3,

in this example, T₂For the set reaction time, take 1.5s, L₂For the set reaction distance, 0.1m, T is taken₁Take 2X T₂，L₀Taking the maximum transverse distance, L, of the blind area₁Take (L)₀+L₂）/2。

The early warning module is used for sending out early warning information according to the highest danger coefficient, wherein the early warning information comprises driving side information for early warning a driver in the vehicle and vehicle outside early warning information for warning pedestrians or vehicles outside the vehicle;

the early warning module comprises an in-vehicle voice broadcasting system, when the highest risk coefficient =1, the driving side information prompts attention through the voice broadcasting system, and vehicles or pedestrians enter a visual field blind area to please drive cautiously;

when the danger coefficient =2, the driving side information prompts 'alarm, vehicle or pedestrian out of control risk, and please slow down and walk' through a voice broadcasting system;

when the danger coefficient =3, the driving side information prompts danger through a voice broadcasting system! Please check for parking.

The early warning module still includes the blind area projection arrangement that is used for instructing vehicle blind area position and the light sense sensor (or visibility sensor) that control blind area projection arrangement opened and close, and when the visibility was less than the setting value outside sensing vehicle, the light sense sensor controlled the projection function switch and opened, and when danger coefficient =1, blind area projection arrangement opened.

The vehicle body is connected with a plurality of warning lamps and alarms, and when the danger coefficient =2, the early warning information outside the vehicle comprises the flickering of the warning lamps; when the danger coefficient =3, the early warning information outside the vehicle includes the flashing of a warning lamp and the sounding of an alarm.

The early warning module also comprises a preset straight-going and turning collision database, optimal action solutions in states of position intervals, movement speed intervals and the like are divided, when the danger coefficient is larger than or equal to 2, the early warning module corresponds to the straight-going and turning collision database according to the movement positions and the movement states of the objects, the optimal action solutions are output, and the driving side information is used for prompting through a voice broadcasting system.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention.