CN217022470U - Braking system of vehicle and vehicle - Google Patents

Abstract

The utility model provides a vehicle braking system and a vehicle, and relates to the technical field of vehicle safety. The braking system comprises at least one acquisition device, at least one wheel speed sensor and a braking device, wherein the acquisition device is installed in front of the self-vehicle and used for detecting whether a vehicle in front of the self-vehicle is subjected to sudden lane change or sudden deceleration or whether the behavior information is too close to the self-vehicle. The wheel speed sensor is installed on a wheel of the bicycle and used for detecting wheel speed information of the bicycle. The braking device is arranged on the bicycle and used for braking the bicycle, and the braking device is connected with the at least one acquisition device and the at least one wheel speed sensor so as to perform braking force pre-pressurization when the lane change or the sudden deceleration of the front vehicle of the bicycle or the too close distance to the bicycle is determined and the wheel speed of the bicycle is larger than a preset value. According to the technical scheme, the speed of the front vehicle and the distance between the front vehicle and the self vehicle are considered, whether the front vehicle changes lane rapidly or not is also considered, and the safety of the self vehicle can be improved.

Description

Braking system of vehicle and vehicle

Technical Field

The utility model relates to the technical field of vehicle safety, in particular to a vehicle brake system and a vehicle.

Background

The traditional technical scheme is that when a radar detects that the distance between a vehicle and a front vehicle is too close and danger is possibly generated in the moving process of the vehicle, a pre-charging request is sent to a brake controller, and the brake controller generates a very slight braking force to eliminate the clearance of a brake disc after receiving the request. The scheme aims at a single driving scene, only works when the distance between the driving scene and the front vehicle is too close, and does not consider other scenes which possibly cause the danger of the vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vehicle braking system, which solves the technical problem of low vehicle safety caused by single application scene of the braking system in the prior art.

It is an object of a second aspect of the present invention to provide a vehicle having a braking system as described above.

According to an object of a first aspect of the present invention, there is provided a brake system for a vehicle, comprising:

the system comprises at least one acquisition device, a control device and a control device, wherein the acquisition device is arranged in front of a self vehicle and is used for detecting whether the vehicle in front of the self vehicle changes lane suddenly or decelerates suddenly or whether the vehicle is too close to the self vehicle;

at least one wheel speed sensor mounted on a wheel of the host vehicle for detecting wheel speed information of the host vehicle;

the braking device is arranged to be connected with the at least one acquisition device and the at least one wheel speed sensor so as to perform braking force pre-pressurization when the situation that the front vehicle of the self vehicle changes lanes or suddenly decelerates or is too close to the self vehicle is determined and the wheel speed of the self vehicle is larger than a preset value is determined.

Optionally, the obtaining means includes:

the first acquisition device is arranged in front of the left side of the bicycle;

the second acquisition device is arranged in front of the right side of the self-vehicle;

the first acquisition device and the second acquisition device are configured to determine that a sudden lane change occurs in a vehicle ahead of the host vehicle when a lateral speed at which the vehicle ahead of the host vehicle moves leftward or rightward is simultaneously detected to be greater than a preset speed.

Optionally, the first and second capturing devices are arranged to be rotatable within a preset angular range.

Optionally, the preset angle range is 0 ° to 120 °.

Optionally, the method further comprises:

and the controller is connected with the at least one acquisition device, the at least one wheel speed sensor and the braking device and is used for controlling the braking device to carry out braking force pre-charging according to the behavior information and the wheel speed information.

Optionally, the duration of the brake force pre-charging pressure is any value in the range of 3s to 6 s.

Optionally, the preset value is any value in a range of 55km/h to 65 km/h.

Optionally, the method further comprises:

and the reminding device is connected with the braking device and used for reminding a driver after the braking device finishes brake force pre-pressurization.

Optionally, the acquiring device is a camera or a radar.

According to an object of the second aspect of the present invention, there is also provided a vehicle equipped with the brake system described above.

The braking system comprises at least one acquisition device, at least one wheel speed sensor and a braking device, wherein the acquisition device is arranged in front of a self vehicle and is used for detecting whether a vehicle in front of the self vehicle is subjected to sudden lane change or sudden deceleration or whether the behavior information is too close to the self vehicle. The wheel speed sensor is installed on a wheel of the bicycle and used for detecting wheel speed information of the bicycle. The braking device is arranged on the bicycle and used for braking the bicycle, and the braking device is connected with the at least one acquisition device and the at least one wheel speed sensor so as to perform braking force pre-pressurization when the lane change or the sudden deceleration of the front vehicle of the bicycle or the too close distance to the bicycle is determined and the wheel speed of the bicycle is larger than a preset value. According to the technical scheme, the speed of the front vehicle and the distance between the front vehicle and the self vehicle are considered, whether the front vehicle changes lane suddenly or not is also considered, when the front vehicle is in a sudden lane change state, dangerous conditions in front of the front vehicle can be explained, and the self vehicle can be prepared for braking in advance according to the information, so that the safety of the self vehicle can be improved, and the application scene of a self vehicle braking system is enlarged.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale. In the drawings:

FIG. 1 is a schematic block diagram of a braking system of a vehicle according to one embodiment of the present invention;

fig. 2 is a schematic configuration diagram of a brake system of a vehicle according to another embodiment of the present invention.

Reference numerals are as follows:

100-brake system, 10-acquisition device, 20-wheel speed sensor, 30-brake device, 40-controller, 11-first acquisition device, 12-second acquisition device.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

Fig. 1 is a schematic configuration diagram of a brake system 100 of a vehicle according to one embodiment of the utility model. In one embodiment, the braking system 100 of the vehicle includes at least one obtaining device 10, at least one wheel speed sensor 20 and a braking device 30, wherein the at least one obtaining device 10 is installed in front of the vehicle and is used for detecting whether the vehicle in front of the vehicle has a sudden lane change or a sudden deceleration or behavior information too close to the vehicle. At least one wheel speed sensor 20 is mounted on a wheel of the host vehicle for detecting wheel speed information of the host vehicle. The braking device 30 is installed on the vehicle for braking the vehicle, and the braking device 30 is configured to be connected to both the at least one obtaining device 10 and the at least one wheel speed sensor 20 to perform braking force pre-pressurization when it is determined that a vehicle ahead of the vehicle changes lane or suddenly decelerates or is too close to the vehicle and the wheel speed of the vehicle is greater than a preset value. In this embodiment, the number of the at least one wheel speed sensor 20 is four, and four wheel speed sensors 20 are respectively mounted on four wheels of the vehicle. The wheel speed of the own vehicle is an average value of the wheel speeds detected by the four wheel speed sensors 20. The duration of the brake pre-charging is any value in the range of 3s to 6 s. For example, it may be 3s, 5s or 6 s. In a preferred embodiment, the duration is 5 s. That is, the duration for which the braking force pre-charging is performed is 5 s.

According to the embodiment, the speed of the front vehicle and the distance between the front vehicle and the self vehicle are considered, whether the front vehicle changes lane suddenly or not is also considered, when the front vehicle is in the sudden lane change state, the dangerous situation in front of the front vehicle can be described, and the self vehicle can be prepared for braking in advance according to the information, so that the safety of the self vehicle can be improved, and the application scene of the self vehicle braking system 100 is expanded.

In this embodiment, when the obtaining device 10 detects that the front vehicle deviates from the detection range at a fast speed and finally disappears from the detection range of the obtaining device 10, it indicates that the front vehicle has completed lane change quickly, and when the wheel speed is greater than the preset value, the braking device 30 also performs braking force pre-charging.

In other embodiments, when the vehicle's throttle sensor detects a very rapid throttle up by the driver, which predicts that the driver may need to brake next, the brake device 30 will pre-charge the brake force when receiving a signal that the driver has very rapidly lifted the throttle, thereby eliminating the brake disc clearance.

Fig. 2 is a schematic configuration diagram of a brake system 100 of a vehicle according to another embodiment of the present invention. As shown in fig. 2, in another embodiment, the acquiring device 10 comprises a first acquiring device 11 and a second acquiring device 12, wherein the first acquiring device 11 is installed at the front left side of the own vehicle, and the second acquiring device 12 is installed at the front right side of the own vehicle. The first acquisition means 11 and the second acquisition means 12 are configured to determine that a sudden lane change has occurred in the vehicle ahead of the own vehicle when a lateral speed at which the vehicle ahead of the own vehicle moves leftward or rightward is simultaneously detected to be greater than a preset speed. In this embodiment, by providing two acquiring devices 10, it is possible to more accurately determine whether a preceding vehicle has a sudden lane change, and avoid a situation where a misjudgment occurs when information is acquired by only one acquiring device 10.

In this embodiment, the first and second acquiring means 11 and 12 are provided to be rotatable within a preset angle range. Wherein the preset angle range is 0-120 degrees. In other embodiments, the preset angle range may also be set according to specific design requirements. In this embodiment, the acquisition device 10 is a camera or a radar.

In this embodiment, the braking system 100 of the vehicle further includes a controller 40, which is connected to each of the at least one obtaining device 10, the at least one wheel speed sensor 20 and the braking device 30, for controlling whether the braking device 30 performs the braking force pre-charging according to the behavior information and the wheel speed information. That is, the controller 40 controls the brake device 30 to pre-charge the braking force when it receives behavior information of a sudden lane change or sudden deceleration of a preceding vehicle or a too short distance from the preceding vehicle, which is sent by at least one of the obtaining devices 10, and it obtains that the wheel speed sent by the wheel speed sensor 20 is greater than a preset value. Here, the preset value is any value ranging from 55km/h to 65 km/h. For example, 55km/h, 60km/h or 65 km/h. In a preferred embodiment, the preset value is 60 km/h. In other embodiments, the preset value may also be set according to specific design requirements.

In a preferred embodiment, the braking system 100 of the vehicle further comprises a warning device connected to the braking device 30 for warning the driver after the braking device 30 has completed the brake force pre-charging.

The utility model also provides a vehicle equipped with the brake system 100. The description of the braking system 100 is not repeated here.

The camera or the radar that this embodiment configured through the vehicle can further the action of analysis front truck thereby judge whether there is the dangerous condition to exist, whether need carry out braking force pre-charging, has increased the action analysis of front truck and has regarded as the trigger condition of braking pre-charging, and the dangerous scene that can more cover the place ahead of the car can exist, and the vehicle can be prejudged in advance, can shorten response and braking distance when taking place the braking request through the operation of braking force pre-charging.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A braking system for a vehicle, comprising:

the system comprises at least one acquisition device, a control device and a control device, wherein the acquisition device is arranged in front of a self vehicle and is used for detecting whether the vehicle in front of the self vehicle changes lane suddenly or decelerates suddenly or whether the vehicle is too close to the self vehicle;

at least one wheel speed sensor mounted on a wheel of the own vehicle for detecting wheel speed information of the own vehicle;

the braking device is arranged on the self-vehicle and used for braking the self-vehicle, and the braking device is arranged to be connected with the at least one acquisition device and the at least one wheel speed sensor so as to perform braking force pre-pressurization when the fact that the front vehicle of the self-vehicle changes lanes or suddenly decelerates or is too close to the self-vehicle and the wheel speed of the self-vehicle is larger than a preset value is determined.

2. The braking system of claim 1, wherein the obtaining means comprises:

the first acquisition device is arranged in front of the left side of the bicycle;

the second acquisition device is arranged in front of the right side of the bicycle;

the first acquisition device and the second acquisition device are configured to determine that a lane change is suddenly made in a vehicle ahead of the host vehicle when a lateral speed at which the vehicle ahead of the host vehicle moves leftward or rightward is simultaneously detected to be greater than a preset speed.

3. The braking system of claim 2,

the first and second acquisition devices are arranged to be rotatable within a preset angular range.

4. The braking system of claim 3,

the preset angle range is 0-120 degrees.

5. The braking system of claim 1, further comprising:

and the controller is connected with the at least one acquisition device, the at least one wheel speed sensor and the braking device and is used for controlling the braking device to carry out braking force pre-charging according to the behavior information and the wheel speed information.

6. The braking system of claim 1,

the duration of the brake force pre-charging pressure is any value in the range of 3 s-6 s.

7. The braking system of claim 1,

the preset value is any value in the range of 55 km/h-65 km/h.

8. The braking system of claim 6, further comprising:

and the reminding device is connected with the braking device and used for reminding a driver after the braking device finishes brake force pre-pressurization.

9. The braking system of claim 1,

the acquisition device is a camera or a radar.

10. A vehicle, characterized in that the vehicle is equipped with a brake system according to any one of claims 1-9.

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