CN114426020A - An automobile anti-collision warning and automatic control system - Google Patents

Abstract

The invention discloses an automobile anti-collision early warning and automatic control system which comprises a controller, wherein the controller is connected with an anti-collision module, a vehicle running monitoring module, a driver module, an early warning module, an automatic control module and a collision processing module, the anti-collision module is used for monitoring the distance between the nearest objects on the front side, the rear side, the left side and the right side in the running process of a vehicle, the vehicle running monitoring module is used for monitoring the speed, the engine temperature, the accelerator brake position and whether the vehicle deviates from a lane, and the driver module is used for monitoring the mental state and the sight range of a driver. The system is reasonable in design, accurate division of risk levels is achieved by setting various parameter input modes, efficient connection of early warning and automatic control is achieved, risks caused by a driver are reduced by incorporating the driver monitoring module, and the buffer potential of the vehicle is fully excavated by perfecting the reasonable collision processing module.

Description

An automobile anti-collision warning and automatic control system

technical field

The invention relates to the technical field of vehicle safety, in particular to an automobile anti-collision warning and automatic control system.

Background technique

The car collision avoidance warning system is a car collision avoidance warning system based on intelligent video analysis and processing. It realizes its warning function through dynamic video camera technology and computer image processing technology. The main functions are: distance monitoring and rear-end warning, forward collision warning, lane departure warning, navigation function, black box function. Compared with the existing automobile anti-collision warning systems at home and abroad, such as ultrasonic anti-collision warning system, radar anti-collision warning system, laser anti-collision warning system, infrared anti-collision warning system, etc. The price has unparalleled advantages. All-weather, long-term stable operation, greatly improving the comfort and safety of car driving.

The car collision avoidance warning system is a car collision avoidance warning system based on intelligent video analysis and processing. It realizes its warning function through dynamic video camera technology and computer image processing technology. The main functions are: distance monitoring and rear-end warning, forward collision warning, lane departure warning, navigation function, black box function. Compared with the existing automobile anti-collision warning systems at home and abroad, such as ultrasonic anti-collision warning system, radar anti-collision warning system, laser anti-collision warning system, infrared anti-collision warning system, etc. The price has unparalleled advantages. All-weather, long-term stable operation, greatly improving the comfort and safety of car driving.

However, most of the existing automobile anti-collision warning systems have the following defects: First, there is a lack of cooperation between early warning and automatic control. When a danger occurs, it directly jumps to the automatic control stage, which is relatively difficult for the vehicle driving experience and safety control. Second, the lack of a corresponding driver monitoring module makes it impossible to accurately judge the driver's state and reduce the danger caused by the driver to the minimum; To excavate the buffer potential of the vehicle itself.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automobile anti-collision warning and automatic control system to solve the problems raised in the above background technology.

To achieve the above object, the present invention provides the following technical solutions:

An automobile anti-collision warning and automatic control system, comprising a controller, the controller is connected with an anti-collision module, a vehicle driving monitoring module, a driver module, an early warning module, an automatic control module and a collision processing module, the anti-collision module It is used to monitor the distance of the nearest objects on the left, right and left sides during the driving process of the vehicle. The vehicle driving monitoring module is used to monitor the speed of the vehicle, the temperature of the engine, the position of the accelerator and brake, and whether it deviates from the lane. The driver module is used to monitor the driver. When the vehicle is in danger of minor collision, the early warning module will remind the driver in various forms and control the speed of the vehicle, and the automatic control module will control the direction of the vehicle when the vehicle is in danger of severe collision. Emergency braking, the collision processing module reduces vehicle damage through mechanical buffering and magnetic repulsion buffering when a collision occurs.

Further, the anti-collision module includes a front ultrasonic ranging unit, a wave tail ultrasonic ranging unit, and a side ultrasonic ranging unit, and the front ultrasonic ranging unit, the wave tail ultrasonic ranging unit, and the side ultrasonic ranging unit are respectively used. It is used to monitor the distance of the nearest objects on the front, rear and left and right sides of the vehicle during driving.

Further, the vehicle driving monitoring module includes a vehicle speed monitoring unit, a temperature monitoring unit, an accelerator/brake position monitoring unit, and a lane deviation monitoring unit, and the vehicle speed monitoring unit and the temperature monitoring unit are respectively used to monitor the vehicle speed and the engine temperature, and the The accelerator brake position monitoring unit is used for monitoring the position of the accelerator brake, and the lane deviation monitoring unit is used for monitoring whether the vehicle deviates from the lane.

Further, the driver module includes a face recognition unit, and the face recognition unit includes an eye movement monitoring secondary unit and a sight monitoring secondary unit, and the eye movement monitoring secondary unit and the sight monitoring secondary unit are respectively used for monitoring. Whether the driver is about to lose consciousness and whether the driver's line of sight has been removed from the front for a long time.

Further, the early warning module includes a voice prompt unit, a buzzer alarm unit, a seat vibration alarm unit, a seat belt tightening unit and a vehicle speed control unit. When the controller evaluates that the vehicle is in danger of a minor collision, the voice prompt unit first issues Voice alerts the driver, the buzzer alarm unit emits a buzzer alarm after the driver has not made a risk-reducing operation, the seat vibration alarm unit makes the driver's seat emit high-frequency vibration, and the seat belt tightening unit controls all seats in the car. The seat belts are automatically tightened, and the speed control unit controls the speed of the vehicle.

Further, the automatic control unit includes an emergency braking unit, a steering wheel automatic control unit and an external warning unit. When the controller evaluates that the vehicle is in a high risk of collision, the emergency braking unit controls the emergency braking of the vehicle, and the steering wheel control unit controls the driving of the vehicle. The direction does not deviate from the lane, the external warning unit controls the vehicle's brake tail lights to stay on and the double flashing lights strobe.

Further, the collision processing module includes a mechanical buffer unit and a magnetic repulsion buffer unit, and the mechanical buffer unit and the magnetic repulsion buffer unit absorb the collision potential energy by means of mechanical buffering and magnetic repulsion buffering respectively after the vehicle collides, so as to reduce vehicle damage. .

Further, the mechanical buffer unit includes a buffer rod, one end of the buffer rod is hinged on the outer end of the half beam of the vehicle cross beam, the other end is hinged on the mounting plate at the end of the vehicle longitudinal beam, and the inner ends of the half beam on both sides are provided with pin holes. , the pin holes of the half beam are rotatably connected with the pins at both ends of the connecting plate, the connecting plate is close to the inner wall of the half beam, the buffer rod includes a rod sleeve, and a core rod is slidably connected in the rod sleeve, so the The outer sleeve of the core rod is provided with a spring, and the two ends of the spring are respectively abutted on the top cover at the end of the core rod and the port of the rod sleeve.

Further, the mechanical buffer unit includes a forward electromagnet fixedly connected to the mounting plate and a reverse electromagnet fixedly connected to the half beam, the core rod is sleeved with a gasket, and the two ends of the spring are respectively The top cover and the gasket at the end of the core rod are pressed against, and a pressure sensor is connected between the gasket and the rod sleeve port.

Compared with the prior art, the beneficial effects of the present invention are:

1. When working in the present invention, the anti-collision module and the vehicle driving monitoring module are used as the input terminals of the controller to provide input data for the controller to judge the vehicle collision risk level. The controller divides the vehicle collision risk into low-level and high-level, and controls the low-level The controller triggers the early warning module, and the controller triggers the automatic control module when advanced;

2. In the present invention, by adding the driver module as the input data for the controller to judge the vehicle collision risk level, the controller makes the vehicle collision risk classification more accurate, can accurately judge the driver's state, and can effectively reduce the driver's part causing the vehicle. danger of collision;

3. The present invention fully taps the buffering potential of the vehicle itself by setting the collision processing module to automatically react. When a collision occurs, the spring in the mechanical buffer unit firstly buffers, and when the spring is not enough to buffer the potential energy of the collision, the forward electromagnet and the reverse electromagnet generate mutual repulsion for further buffering to minimize vehicle damage. The car beam is hinged by a pair of half beams and the connecting plate. When the collision is only on one side, only the mechanical buffer unit and the magnetic repulsion buffer unit on one side work. Even if the buffer part on one side is damaged, the other side will not be involved. side, effectively reducing maintenance costs.

To sum up, the system of the present invention has a reasonable design, realizes the precise division of risk levels by setting various parameter input methods, realizes the efficient connection between early warning and automatic control, and reduces the danger caused by the driver by incorporating the driver monitoring module. Through the perfect and reasonable collision handling module, the buffer potential of the vehicle itself can be fully tapped.

Description of drawings

1 is a schematic structural diagram of an automobile anti-collision warning and automatic control system;

2 is a schematic structural diagram of a mechanical buffer unit and a magnetic repulsion buffer unit in an automobile anti-collision warning and automatic control system;

3 is a schematic diagram of the partial structure of a mechanical buffer unit and a magnetic repulsion buffer unit in an automobile anti-collision warning and automatic control system;

FIG. 4 is a schematic diagram of the structure of a vehicle beam in an automobile anti-collision warning and automatic control system.

In the picture: 1-car beam, 2-half beam, 3-pin hole, 4-pin, 5-connecting plate, 6-car longitudinal beam, 7-installation plate, 8-forward electromagnet, 9-reverse To the electromagnet, 10-buffer rod, 11-core rod, 12-spring, 13-washer.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Embodiment 1: Please refer to FIG. 1, an automobile anti-collision warning and automatic control system, including a controller, the controller is connected with an anti-collision module, a vehicle driving monitoring module, a driver module, an early warning module, an automatic control module and The collision processing module, the anti-collision module is used to monitor the distance of the closest objects on the left, right, left and right sides during the driving process of the vehicle, and the vehicle driving monitoring module is used to monitor the vehicle speed, engine temperature, accelerator brake position and whether it deviates from the lane, so The driver module is used to monitor the driver's mental state and line of sight. The early warning module will remind the driver in various forms and control the speed of the vehicle when the vehicle is in danger of a minor collision. When in danger of a severe collision, the direction of the vehicle is controlled and the vehicle is braked urgently, and the collision processing module reduces vehicle damage through mechanical buffering and magnetic repulsion buffering when a collision occurs.

The anti-collision module includes a front ultrasonic ranging unit, a wave tail ultrasonic ranging unit, and a side ultrasonic ranging unit. The front ultrasonic ranging unit, the wave tail ultrasonic ranging unit, and the side ultrasonic ranging unit are respectively used for monitoring vehicles. The distance to the nearest objects on the front, rear, and left and right sides during driving.

The vehicle driving monitoring module includes a vehicle speed monitoring unit, a temperature monitoring unit, an accelerator brake position monitoring unit, and a lane deviation monitoring unit. The vehicle speed monitoring unit and the temperature monitoring unit are respectively used to monitor vehicle speed and engine temperature, and the accelerator brake position The monitoring unit is used for monitoring the position of the accelerator and braking, and the lane deviation monitoring unit is used for monitoring whether the vehicle deviates from the lane.

The early warning module includes a voice prompt unit, a buzzer alarm unit, a seat vibration alarm unit, a seat belt tightening unit and a vehicle speed control unit. When the controller evaluates that the vehicle is in danger of a minor collision, the voice prompt unit first issues a voice to remind driving. The buzzer alarm unit emits a buzzer alarm after the driver has not taken risk-reducing actions, the seat vibration alarm unit makes high-frequency vibrations in the driver's seat, and the seat belt tightening unit controls the seat belts on all seats in the vehicle Automatic tightening, the speed control unit controls the vehicle to decelerate.

The automatic control unit includes an emergency braking unit, an automatic steering wheel control unit and an external warning unit. When the controller evaluates that the vehicle is in a high risk of collision, the emergency braking unit controls the emergency braking of the vehicle, and the steering wheel control unit controls the driving direction of the vehicle not to deviate. The lane and external warning unit controls the vehicle's brake tail lights to stay on and the double flashing lights to strobe.

When the present invention works, the anti-collision module and the vehicle driving monitoring module are used as the input terminals of the controller to provide input data for the controller to judge the vehicle collision risk level. The controller divides the vehicle collision risk into low-level and high-level, and the controller triggers the Early warning module, when advanced, the controller triggers the automatic control module. The front ultrasonic ranging unit, the wave tail ultrasonic ranging unit, and the side ultrasonic ranging unit monitor the distances of the nearest objects on the front side, the rear side, and the left and right sides respectively during the driving process of the vehicle. The vehicle speed monitoring unit and the temperature monitoring unit monitor the vehicle speed and engine temperature respectively, the accelerator brake position monitoring unit monitors the position of the accelerator brake, and the lane deviation monitoring unit monitors whether the vehicle deviates from the lane. When the controller evaluates that the vehicle is in the danger of a minor collision, the voice prompt unit will first issue a voice to remind the driver, and after the driver has not made any actions to reduce the risk, the buzzer alarm unit will issue a buzzer alarm, and the seat vibration alarm unit will make the driver seat The seat emits high-frequency vibration, the seat belt tightening unit controls the automatic tightening of seat belts on all seats in the car, and the vehicle speed control unit controls the vehicle to decelerate. When the controller evaluates that the vehicle is in a high risk of collision, the emergency braking unit controls the emergency braking of the vehicle, the steering wheel control unit controls the driving direction of the vehicle not to deviate from the lane, and the external warning unit controls the vehicle's brake tail lights to stay on and the double flashing lights strobe.

Embodiment 2: Please refer to FIG. 1, an automobile anti-collision warning and automatic control system, the difference from Embodiment 1 is that the driver module includes a face recognition unit, and the face recognition unit includes an eye movement monitoring sub-unit. The eye movement monitoring sub-unit and the sight monitoring sub-unit are respectively used to monitor whether the driver is about to lose consciousness and whether the driver's sight is out of the front for a long time.

In this embodiment, by adding the driver module as the input data for the controller to judge the vehicle collision risk level, the controller can make the vehicle collision risk classification more accurate, and can accurately judge the driver's state, which can effectively reduce the driver's partial damage caused by the vehicle. Vehicle collision hazard.

Embodiment 3: Please refer to Figures 2 to 4, an automobile anti-collision warning and automatic control system, the difference from Embodiments 1 and 2 is that the collision processing module includes a mechanical buffer unit and a magnetic repulsion buffer unit, and the mechanical The buffer unit and the magnetic repulsion buffer unit absorb the collision potential energy by means of mechanical buffering and magnetic repulsion buffering respectively after the vehicle collides, so as to reduce vehicle damage.

The mechanical buffer unit includes a buffer rod 10, one end of the buffer rod 10 is hinged on the outer end of the half beam 2 of the vehicle cross member 1, and the other end is hinged on the mounting plate 7 at the end of the vehicle longitudinal beam 6, and the half beam 2 on both sides is inside. The end is provided with a pin hole 3, the pin hole 3 of the half beam 2 is rotatably connected with the pin 4 at both ends of the connecting plate 5, the connecting plate 5 is close to the inner wall of the half beam 2, and the buffer rod 10 includes a rod Sleeve 11, a core rod 11 is slidably connected in the rod sleeve 11, a spring 12 is provided on the outer sleeve of the core rod 11, and the two ends of the spring 12 are respectively abutted on the top cover of the end of the core rod 11 and the port of the rod sleeve 11 .

The mechanical buffer unit includes a forward electromagnet 8 fixedly connected to the mounting plate 7 and a reverse electromagnet 9 fixedly connected to the half beam 2, the core rod 11 is sleeved with a gasket 13, and the spring Both ends of 12 abut on the top cover at the end of the core rod 11 and the gasket 13 respectively, and a pressure sensor is connected between the gasket 13 and the port of the rod sleeve 11 .

In this embodiment, when the vehicle collides, the collision processing module automatically responds to fully tap the buffer potential of the vehicle itself. The mechanical buffer unit and the magnetic repulsion buffer unit are arranged at the front and rear of the vehicle. When a front and rear side collision occurs, the cross beam 1 is stressed. First, the spring 12 in the mechanical buffer unit buffers. When the spring 12 is not enough to buffer the collision potential energy , that is, when the value of the pressure sensor exceeds the set value, the forward electromagnet 8 and the reverse electromagnet 9 are energized, and the two generate mutual repulsion for further buffering, thereby minimizing vehicle damage. The vehicle beam 1 is hinged by a pair of half beams 2 and the connecting plate 5. When the collision is completely frontal, the vehicle beam 1 is stressed as a whole, and the mechanical buffer units and magnetic repulsion buffer units on both sides work at the same time. When it is on the side, only the mechanical buffer unit and the magnetic repulsion buffer unit on one side work, even if the buffer components on one side are damaged, the other side will not be involved, which effectively reduces the maintenance cost.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (9)

1. an automobile anti-collision warning and automatic control system, comprising a controller, it is characterized in that: the controller is connected with an anti-collision module, a vehicle driving monitoring module, a driver module, an early warning module, an automatic control module and a collision processing module , the anti-collision module is used to monitor the distance between the nearest objects on the front, rear, left and right sides during the driving process of the vehicle, and the vehicle driving monitoring module is used to monitor the vehicle speed, engine temperature, accelerator and brake position and whether the driver deviates from the lane. The module is used to monitor the driver's mental state and line of sight. The early warning module will remind the driver in various forms and control the speed of the vehicle when the vehicle is in danger of a minor collision. The automatic control module is in a severe collision. When dangerous, the vehicle direction is controlled and emergency braking is performed, and the collision processing module reduces vehicle damage through mechanical buffering and magnetic repulsion buffering when a collision occurs. 2. A kind of automobile anti-collision early warning and automatic control system according to claim 1, is characterized in that: described anti-collision module comprises front ultrasonic ranging unit, wave tail ultrasonic ranging unit, side ultrasonic ranging unit, and so on. The front ultrasonic ranging unit, the wave tail ultrasonic ranging unit, and the side ultrasonic ranging unit are respectively used to monitor the distances of the nearest objects on the front side, the rear side, and the left and right sides during the driving of the vehicle. 3. The anti-collision warning and automatic control system for automobiles according to claim 1, wherein the vehicle driving monitoring module comprises a vehicle speed monitoring unit, a temperature monitoring unit, an accelerator/brake position monitoring unit, and a lane deviation monitoring unit The vehicle speed monitoring unit and the temperature monitoring unit are used to monitor vehicle speed and engine temperature respectively, the accelerator brake position monitoring unit is used to monitor the position of the accelerator brake, and the lane deviation monitoring unit is used to monitor whether the vehicle deviates from the lane. 4. The anti-collision warning and automatic control system for automobiles according to claim 1, wherein the driver module comprises a face recognition unit, and the face recognition unit comprises an eye movement monitoring secondary unit and a line of sight The monitoring sub-unit, the eye-movement monitoring sub-unit and the sight-line monitoring sub-unit are respectively used for monitoring whether the driver is about to lose consciousness and whether the driver's sight is out of the front for a long time. 5. An automobile anti-collision warning and automatic control system according to claim 1, wherein the warning module comprises a voice prompt unit, a buzzer alarm unit, a seat vibration alarm unit, a seat belt tightening unit and a Vehicle speed control unit, when the controller evaluates that the vehicle is in the danger of minor collision, the voice prompt unit will first issue a voice to remind the driver, and the buzzer alarm unit will issue a buzzer alarm and seat vibration alarm unit after the driver has not made any operation to reduce the risk. The driver's seat emits high-frequency vibration, the seat belt tightening unit controls the automatic tightening of seat belts on all seats in the car, and the vehicle speed control unit controls the vehicle to decelerate. 6. An automobile anti-collision warning and automatic control system according to claim 1, wherein the automatic control unit comprises an emergency braking unit, a steering wheel automatic control unit and an external warning unit, when the controller evaluates that the vehicle is in In the case of high collision risk, the emergency braking unit controls the emergency braking of the vehicle, the steering wheel control unit controls the driving direction of the vehicle not to deviate from the lane, and the external warning unit controls the vehicle's brake tail lights to stay on and the double flashing lights strobe. 7. An automobile anti-collision warning and automatic control system according to claim 1, wherein the collision processing module comprises a mechanical buffer unit and a magnetic repulsion buffer unit, and the mechanical buffer unit and the magnetic repulsion buffer unit are After the vehicle collides, the collision potential energy is absorbed by means of mechanical buffering and magnetic repulsion buffering respectively to reduce vehicle damage. 8. An automobile anti-collision warning and automatic control system according to claim 7, wherein the mechanical buffer unit comprises a buffer rod (10), and one end of the buffer rod (10) is hinged on the vehicle beam (1). ), the other end is hinged on the mounting plate (7) at the end of the vehicle longitudinal beam (6), and the inner ends of the half beams (2) on both sides are provided with pin holes (3). The pin holes (3) of the half beam (2) are rotatably connected with the pins (4) at both ends of the connecting plate (5), the connecting plate (5) is in close contact with the inner wall of the half beam (2), and the buffer rod ( 10) comprising a rod cover (11), a core rod (11) is slidably connected in the rod cover (11), a spring (12) is provided on the outer shell of the core rod (11), and two ends of the spring (12) are respectively Abut the top cover at the end of the core rod (11) and the port of the rod sleeve (11). 9. An automobile anti-collision warning and automatic control system according to claim 8, wherein the mechanical buffer unit comprises a forward electromagnet (8) fixedly connected to the mounting plate (7) and a fixed connection The reverse electromagnet (9) on the half beam (2), the core rod (11) is sleeved with a gasket (13), and the two ends of the spring (12) are respectively abutted against the end of the core rod (11). On the top cover and the gasket (13), a pressure sensor is connected between the gasket (13) and the port of the rod sleeve (11).

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