CN218577609U

CN218577609U - Reversing safety warning system for large vehicle

Info

Publication number: CN218577609U
Application number: CN202222926240.7U
Authority: CN
Inventors: 尹义壮; 刘臻玮; 王经波; 刘乘泓
Original assignee: Changan University
Current assignee: Changan University
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-07
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a large vehicle safety warning system that backs a car relates to the automobile manufacturing technology field, including well accuse ware, driving state observation module, environment identification module, safety warning module and emergency braking module, driving state observation module and environment identification module's the output is connected with the wired electricity of input of well accuse ware, the output of well accuse ware is connected with the wired electricity of input of safety warning module and emergency braking module. The driving state observation module comprises a speed sensor and an acceleration sensor; the environment recognition module comprises a laser radar, a millimeter wave radar and a camera; the safety warning module comprises a driver assistance module and a pedestrian warning module. In the process of backing a large vehicle, the safety warning function is played for pedestrians and vehicles behind; when collision is about to occur, accidents are avoided through emergency braking, and the driving safety of a large vehicle in backing can be effectively improved.

Description

Reversing safety warning system for large vehicle

Technical Field

The utility model relates to an automobile manufacturing technical field specifically is a oversize vehicle safety warning system that backs a car.

Background

When the automobile backs a car, because there are the problem of field of vision blind area and driving habit in the driver, can't accurately grasp the environment behind the car, take place to scrape the collision very easily. Especially, the vision blind area of a large vehicle is larger, the environment behind the vehicle cannot be completely mastered even by means of a rearview mirror, and if pedestrians and vehicles pass behind the vehicle, drivers cannot easily find the blind area, and serious safety accidents are easily caused. At present, some backing voice horns play a role in warning rear pedestrians, but people generally wear earphones to walk or drive at present, so that the warning effect cannot be well played only by the horns.

Therefore, it is necessary to provide a reverse safety warning system for a large vehicle to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large vehicle safety warning system that backs a car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a large vehicle safety warning system that backs a car, includes well accuse ware, driving state observation module, environment recognition module, safety warning module and emergency braking module, the wired electricity of the output of driving state observation module and environment recognition module and the input of well accuse ware is connected, the wired electricity of the output of well accuse ware and safety warning module and emergency braking module is connected.

Preferably, the central controller is a core of the whole system, and is used for receiving signals, performing operation processing and issuing execution instructions.

Preferably, the driving state observation module comprises two speed sensors and two acceleration sensors, wherein the two speed sensors are respectively arranged on rear wheels at two sides of the vehicle and are used for measuring the speed of the rear wheels of the vehicle; the two acceleration sensors are respectively arranged on the rear wheels at the two sides of the vehicle and are used for measuring the acceleration of the rear wheels of the vehicle.

Preferably, the environment recognition module comprises a laser radar, a millimeter wave radar and a camera and is used for collecting the environment state behind the vehicle.

Preferably, the safety warning module comprises a driver assistance module and a pedestrian warning module.

Preferably, the driver assistance module is a display for displaying an environment behind the vehicle captured by the camera.

Preferably, the pedestrian warning module comprises a projection lamp set and a loudspeaker and is used for reminding pedestrians behind the vehicle when the vehicle is reversed.

Preferably, the emergency braking module is a brake-by-wire system for forcibly braking the vehicle in an emergency.

Compared with the prior art, the utility model has the advantages that in the process of backing a car of a large vehicle, a backing track warning line is projected to the ground at the rear of the vehicle through the projection lamp group, and the loudspeaker gives an alarm to remind pedestrians and vehicles at the rear of paying attention to safety; when collision is about to occur, accidents are avoided by emergency braking; the utility model discloses simple structure, low cost can improve the driving safety of oversize vehicle when backing a car effectively.

Drawings

FIG. 1 is a structural assembly diagram of a reversing safety warning system for a large-sized vehicle;

fig. 2 is a schematic view of the installation of vehicle components.

In the figure: the system comprises a driving state observation module, a driving state 2, an environment recognition module, a central controller 3, a safety warning module 4, an emergency braking module 5, a speed sensor 6, an acceleration sensor 7, a laser radar 8, a millimeter wave radar 9, a camera 10, a driver assistance module 11, a pedestrian warning module 12, a display screen 13, a projection lamp set 14, a loudspeaker 15 and a brake-by-wire system 16.

Detailed Description

It is noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features/steps are present.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

Please refer to fig. 1-2, the utility model provides a large vehicle safety warning system that backs a car, including well accuse ware 3, driving state observation module 1, environment identification module 2, safety warning module 4 and emergency braking module 5, the wired electricity of the output of driving state observation module 1 and environment identification module 2 and the input of well accuse ware 3 is connected, and the wired electricity of the output of well accuse ware 3 and safety warning module 4 and emergency braking module 5 is connected.

Further, the central controller 3 is a core of the whole system, and completes the reception of signals, the arithmetic processing and the issuance of execution instructions. The central controller 3 can use the laser radar 8 and the millimeter wave radar 9 to collect point cloud information of obstacles behind the vehicle to calculate the distance from the obstacles behind, and then carries out risk level judgment according to a set distance threshold. The risk grade comprises no collision risk and collision risk, and when the risk grade is no collision risk, the central controller 3 sends an instruction to control the safety warning module 4 to work; when the risk level is that collision risk exists, the central controller 3 sends an instruction to control the emergency braking module 5 to perform emergency braking.

Furthermore, the driving state observation module 1 comprises two speed sensors 6 and two acceleration sensors 7, wherein the two speed sensors 6 are respectively arranged on the rear wheels at the two sides of the vehicle and used for measuring the speed of the rear wheels of the vehicle; the two acceleration sensors 7 are respectively arranged on the rear wheels at two sides of the vehicle and used for measuring the acceleration of the rear wheels of the vehicle. The driving state observation module 1 transmits the measured data to the central controller 3, and the central controller 3 further predicts the vehicle reversing track.

Further, environment identification module 2 includes laser radar 8, millimeter wave radar 9 and camera 10 for gather vehicle rear environment, laser radar 8, millimeter wave radar 9 and camera 10 install in the vehicle rear and with the wired electricity of central controller 3's input and be connected.

Further, the safety warning module 4 comprises a driver assisting module 11 and a pedestrian warning module 12, and is used for assisting the driver and the pedestrian in warning when the vehicle backs.

Further, the driver assistance module 11 is a display 13 for displaying the environment behind the vehicle photographed by the camera 10, and the display 13 is installed in the cab and is electrically connected with the output end of the central controller 3 in a wired manner to assist the driver in backing up the vehicle.

Further, the pedestrian warning module 12 includes a projection lamp set 14 and a speaker 15, and is used for reminding pedestrians behind the vehicle when the vehicle is reversed. The projection lamp group 14 is installed behind a vehicle and is electrically connected with the output end of the central controller 3 in a wired mode, after data acquisition of the driving state observation module 1 is completed and the central controller 3 obtains a predicted backing track, the central controller 3 controls the projection lamp group 14 to project a backing track warning line to the ground so as to prompt pedestrians and passing vehicles to notice that the vehicle backs, meanwhile, the loudspeaker 15 is installed behind the vehicle and is electrically connected with the output end of the central controller 3 in a wired mode, an alarm is sent out when the vehicle backs, and the projection lamp group 14 and the loudspeaker 15 only work when the vehicle is hung in a reverse gear.

Further, the emergency braking module 5 is a brake-by-wire system 16 for forcing the vehicle to brake in case of emergency. After the central controller 3 detects that the vehicle has a collision risk, the central controller 3 sends an emergency braking instruction to the emergency braking module 5, and the brake-by-wire system 16 works to brake the vehicle forcibly, so as to prevent an accident.

It should be noted that the utility model relates to a large vehicle safety warning system that backs a car, at first through install the speed and the acceleration of vehicle when backing a car of surveying at the rear portion of vehicle speed sensor 6 and acceleration sensor 7, driving state observation module 1 gives well accuse ware 3 with the data transmission who records, and well accuse ware 3 further predicts the vehicle track of backing a car. Meanwhile, a camera 10 installed at the rear part of the vehicle collects real-time road conditions at the rear part of the vehicle and displays the real-time road conditions on a display screen 13 in a cab, a laser radar 8 and a millimeter wave radar 9 installed at the rear part of the vehicle collect point cloud information of an obstacle behind the vehicle and transmit the data to a central controller 3, the central controller 3 calculates the distance from the rear obstacle, the central controller 3 judges the risk level according to a set distance threshold value, when the risk level is no collision risk, the central controller 3 sends an instruction to control a projection lamp group 14 to project a reversing track warning line to the ground, and simultaneously controls a loudspeaker 15 to give an alarm; when the risk level is that collision risk exists, the central controller 3 sends an instruction to control the emergency braking module 5 to perform emergency braking, and the operation of the steps can play a role in safety warning when the large vehicle backs up.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a large vehicle safety warning system that backs a car which characterized in that: including well accuse ware (3), driving state observation module (1), environment identification module (2), safety warning module (4) and emergency braking module (5), the wired electricity of the output of driving state observation module (1) and environment identification module (2) and the input of well accuse ware (3) is connected, the wired electricity of the output of well accuse ware (3) and the input of safety warning module (4) and emergency braking module (5) is connected.

2. The large vehicle reversing safety warning system according to claim 1, wherein the central controller (3) is a core of the whole system, and is used for receiving signals, processing operation and issuing execution instructions.

3. The large vehicle reversing safety warning system according to claim 1, wherein the driving state observation module (1) comprises two speed sensors (6) and two acceleration sensors (7), wherein the two speed sensors (6) are respectively arranged on rear wheels on two sides of the vehicle and used for measuring the speed of the rear wheels of the vehicle; and the two acceleration sensors (7) are respectively arranged on the rear wheels at two sides of the vehicle and used for measuring the acceleration of the rear wheels of the vehicle.

4. The large vehicle reversing safety warning system according to claim 1, wherein the environment recognition module (2) comprises a laser radar (8), a millimeter wave radar (9) and a camera (10) and is used for collecting the environment state behind the vehicle.

5. A large vehicle reversing safety warning system according to claim 1, characterized in that the safety warning module (4) comprises a driver assistance module (11) and a pedestrian warning module (12).

6. A reversing safety warning system for a large-scale vehicle according to claim 5, characterized in that the driver assistance module (11) is a display (13) for displaying the environment behind the vehicle as captured by the camera (10).

7. The large vehicle reversing safety warning system according to claim 5, wherein the pedestrian warning module (12) comprises a projection lamp set (14) and a loudspeaker (15) and is used for reminding pedestrians behind the vehicle when reversing.

8. A reversing safety warning system for large vehicles according to claim 1, characterized in that the emergency braking module (5) is a brake-by-wire system (16) for forcing vehicle braking in case of emergency.