CN219667976U - Vehicle safety auxiliary driving system with speed limiting control function - Google Patents
Vehicle safety auxiliary driving system with speed limiting control function Download PDFInfo
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Abstract
The utility model discloses a vehicle safety auxiliary driving system with speed limiting control, which relates to the field of vehicle safety auxiliary driving and has the technical scheme that: the rotating speed sensor is used for collecting rotating speed information of the vehicle, and converting the rotating speed information into pulse signals; the speed limit controller is used for calculating the speed of the vehicle according to the rotating speed information of the pulse signals; the throttle controller is used for connecting a mechanical throttle cable of the vehicle, and when detecting that the speed of the vehicle is close to a preset speed limit value, the speed limit controller controls the throttle controller to apply a reverse torque to the mechanical throttle cable so as to adjust the speed of the vehicle; the display is used for displaying the real-time speed of the vehicle at the current moment; the speed sensor, the speed limiting controller and the throttle controller are electrically connected in sequence, and the display is electrically connected with the speed limiting controller. The utility model realizes the speed limit of the heavy patrol vehicle and ensures the safety of the heavy patrol vehicle in the patrol running process.
Description
Technical Field
The utility model relates to the field of vehicle safety auxiliary driving, in particular to a vehicle safety auxiliary driving system with speed limiting control.
Background
The heavy patrol car belongs to a armed police patrol series, once special cases occur, the police force is treated to perform powerful counterattack under the safe environment, the important tasks of powerful breakthrough, obstacle surmounting, disaster rescue, quick response and the like are completed, the reaction capacity of police special polices is greatly improved, the safety requirements on the heavy patrol car are also improved due to the special application places of the heavy patrol car, the observation capacity of surrounding scenes when the vehicle patrol is greatly reduced due to the lack of a driving auxiliary observation system and speed limiting equipment, and meanwhile, great hidden danger exists for the safety of the vehicle when the vehicle is in overspeed running, so that huge pressure is brought to patrol work. With the continuous development of electronic technology and the updating of armored vehicles, the localization of various matched electronic appliances of military armored vehicles is higher and higher, and the safety requirement on the military armored vehicles is also improved due to the special application places of heavy patrol vehicles.
Aiming at the existing heavy patrol car, due to the lack of a driving auxiliary observation system and speed limiting equipment, the observation capability of surrounding scenes when the car patrol is greatly reduced, and meanwhile, when the car is in overspeed driving, the safety of the car also has a great hidden trouble.
Disclosure of Invention
The utility model aims to provide a vehicle safety auxiliary driving system with speed limiting control, which controls an accelerator controller to apply reverse torque to a mechanical accelerator cable of a vehicle through a speed limiting controller, so that the speed limiting of a heavy patrol vehicle is realized, and the safety of the heavy patrol vehicle in the patrol driving process is ensured.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a vehicle safety auxiliary driving system with speed limiting control, which comprises:
the rotating speed sensor is used for collecting rotating speed information of the vehicle, and converting the rotating speed information into pulse signals;
the speed limit controller is used for calculating the speed of the vehicle according to the rotating speed information of the pulse signals;
the throttle controller is used for connecting a mechanical throttle cable of the vehicle, and when detecting that the speed of the vehicle is close to a preset speed limit value, the speed limit controller controls the throttle controller to apply a reverse torque to the mechanical throttle cable so as to adjust the speed of the vehicle;
the display is used for displaying the real-time speed of the vehicle at the current moment;
the speed sensor, the speed limiting controller and the throttle controller are electrically connected in sequence, and the display is electrically connected with the speed limiting controller.
In one embodiment, the speed limit controller uses a PID algorithm to adjust the vehicle speed.
In one embodiment, the display is provided with a number key for setting a speed limit value of the vehicle speed by the number key.
In one embodiment, the system further comprises a 360 degree near view assembly, the 360 degree near view assembly consisting of four AHD cameras, wherein the four AHD cameras include a front view AHD camera, a rear view AHD camera, a left view AHD camera, and a right view AHD camera;
the front view AHD camera is arranged at the middle upper part of the front bumper of the vehicle so as to realize the scene observation of 60 degrees in front of the vehicle; the rearview AHD camera is arranged above and behind the vehicle body of the vehicle so as to realize scene observation of 180 degrees behind the vehicle; the left view AHD camera is arranged above the left side contour line of the vehicle body of the vehicle so as to realize 180-degree scene observation on the left side of the vehicle; the right view AHD camera is arranged above the right side contour of the vehicle body of the vehicle to realize 180-degree scene observation on the right side of the vehicle.
In one embodiment, the system further comprises a blind zone auxiliary viewing assembly comprising one of said left-view AHD cameras and one of said right-view AHD cameras.
In one embodiment, the display is further configured to display 360 degree near view video, through view video, infrared video, front left dead zone video, and front right dead zone video of the vehicle.
In one embodiment, the system further comprises a cleaning device for receiving a signal sent by a cleaning button arranged on the display, and driving the cleaning device to realize cleaning operation on the lens of the AHD camera.
In one embodiment, the system further comprises a reversing radar for displaying an alarm on the display in different colors according to the distance between the obstacle and the radar wall, and an audible alarm prompt.
In one embodiment, the reversing radar includes a front radar disposed in front of the vehicle body, a rear radar disposed behind the vehicle body, a left radar disposed on the left of the vehicle body, and a right radar disposed on the right of the vehicle body.
In one embodiment, the system further comprises a data exchange processing module for implementing data exchange interoperability between the video signal of the AHD camera, the radar signal of the reversing radar, the cleaning device and the speed limit controller and the display.
In one embodiment, the system is further provided with a voice broadcasting module for broadcasting alarm information.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a vehicle safety auxiliary driving system with speed limiting control, which controls an accelerator controller to apply reverse torque to a mechanical accelerator cable of a vehicle through a speed limiting controller, so that the speed limiting of a heavy patrol vehicle is realized, and the safety of the heavy patrol vehicle in the patrol driving process is ensured.
2. The vehicle safety auxiliary driving system with the speed limiting control further comprises a cleaning device, the cleaning device is driven to realize cleaning operation on the lens of the AHD camera by receiving signals sent by the cleaning button on the display, and the vehicle safety auxiliary driving system with the speed limiting control is used for solving the problem that the lens is fuzzy or cannot image due to long-term outdoor driving of a heavy patrol vehicle or bad weather conditions.
3. The vehicle safety auxiliary driving system with speed limiting control provided by the utility model also solves the problem that a driver is difficult to identify pedestrians and obstacles in a 360-degree circumferential 15-meter area range of a vehicle under the low-speed working conditions of the two vehicles in the daytime and at night, and ensures the observation capability of a heavy patrol vehicle in the patrol process by ultrasonic radar detection and alarm.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a block diagram of a vehicle safety auxiliary driving system with speed limit control according to an embodiment of the present utility model;
FIG. 2 is a power circuit diagram provided by an embodiment of the present utility model;
FIG. 3 is a diagram of a video memory circuit according to an embodiment of the present utility model;
fig. 4 is a circuit diagram of an HDMI video output interface according to an embodiment of the present utility model;
fig. 5 is a circuit diagram of an AHD video input interface according to an embodiment of the present utility model;
FIG. 6 is a circuit diagram of a reversing radar interface provided by an embodiment of the present utility model;
FIG. 7 is a diagram of a speed limit controller drive circuit provided by an embodiment of the present utility model;
FIG. 8 is a driving circuit diagram of a cleaning device according to an embodiment of the present utility model;
FIG. 9 is a circuit diagram of an MCU of the cleaning device and the speed limit controller according to the embodiment of the utility model;
fig. 10 is a circuit diagram of a data interaction processing module according to an embodiment of the present utility model.
In the drawings, the reference numerals and corresponding part names:
1. a rotation speed sensor; 2. a speed limit controller; 3. a throttle controller; 4. a mechanical throttle cable; 5. a display; 6. a cleaning device; 7. the blind area auxiliary observation assembly; 8. a 360 degree close-up viewing component; 9. reversing radar; 10. and the data interaction processing module.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
As described in the background art, the currently-listed heavy patrol car greatly reduces the observation capability of surrounding scenes when the car patrol due to the lack of a driving assistance observation system and speed limiting equipment, and meanwhile, the car is safe when the car is in overspeed driving, and has a great hidden trouble, so the embodiment of the utility model provides the car safety assistance driving system with speed limiting control, which is characterized in that the speed limiting controller 2 is used for controlling the throttle controller 3 to apply reverse moment to the mechanical throttle cable 4 of the car, thereby realizing speed limiting of the heavy patrol car and ensuring the driving safety of the heavy patrol car.
Referring to fig. 1 to 10, fig. 1 is a block diagram of a vehicle safety auxiliary driving system with speed limit control according to an embodiment of the present utility model, and as shown in fig. 1, the system includes: the rotating speed sensor 1 is used for collecting rotating speed information of the vehicle, wherein the rotating speed information is converted into a pulse signal; a speed limit controller 2 for calculating a vehicle speed from the rotational speed information of the pulse signal; the throttle controller 3 is used for being connected with a mechanical throttle cable 4 of the vehicle, and when the speed of the vehicle is detected to be close to a preset speed limit value, the speed limit controller 2 controls the throttle controller 3 to apply a reverse torque to the mechanical throttle cable 4 so as to adjust the speed of the vehicle; a display 5 for displaying a real-time vehicle speed at a current time of the vehicle; the speed sensor 1, the speed limiting controller 2 and the throttle controller 3 are electrically connected in sequence, and the display 5 is electrically connected with the speed limiting controller 2.
Specifically, the application scenario of combining the patrol car for realizing the purpose of the complaint mainly comprises the following steps: patrol of vehicles in urban areas or crowd-intensive areas or narrow areas, loading/unloading of vehicles on/off trailers or train plates, loading/unloading of vehicles, etc. The working principle of the embodiment is as follows: the speed limit controller 2 converts the vehicle speed into a pulse signal through the rotation speed sensor 1 and transmits the pulse signal to the speed limit controller 2, and the speed limit controller 2 automatically calculates the vehicle speed through the speed ratio. The highest speed limit value of the vehicle, and the activation and closing of the speed limit function (default activation, closing of user rights) can be set through the main display 5 interface. The throttle controller 3 is installed near the throttle, is connected with the speed limit controller 2 through a wire harness, and is used for receiving signals of the speed limit controller 2 and carrying out winding and unwinding operations on the pull rope. When the vehicle is detected to be overspeed, the speed limit controller 2 applies a reverse torque to the accelerator through the actuator to reduce the current vehicle speed and outputs an audible and visual alarm signal, and when the vehicle speed is reduced below the highest vehicle speed, the accelerator operation is not interfered. And the working state of the speed limiting device is monitored, and an alarm is given in time when an abnormality occurs, so that potential safety hazards caused by overspeed driving are avoided, and the real-time dynamic control of the accelerator is realized.
Further, the user inputs the user password by using the key combination keys of the front view, the rear view, the left view and the right view on the display 5 to pop up the permission management password input interface of the speed limiting device on the main display 5. And after the password is successfully input, obtaining the management authority of the speed limiting device, and exploring the speed limiting setting interface. The user displays the current speed and the speed limit value at the upper left corner of the display 5 in the process of using the vehicle, and when the vehicle is detected to be overspeed, a yellow icon is displayed and a voice prompt of overspeed is sent out; when overspeed is detected, a red icon is displayed and a voice prompt for overspeed is issued. The process control box controls the executor to apply reverse moment to the accelerator or simulate the electric signal output by the accelerator to reduce the current vehicle speed, and when the vehicle speed is reduced below the highest vehicle speed, the accelerator operation is not interfered.
The rotation speed sensor 1 is a sensor that converts the rotation speed of a rotating object into an electric quantity output. The rotation speed sensor belongs to an indirect type and can be manufactured by mechanical, electric, magnetic, optical, hybrid methods and the like. The rotation speed sensor can be divided into an analog type and a digital type according to different signal forms
Further, the speed limit controller 2 adjusts the speed of the vehicle by using a PID algorithm. The PID algorithm is prior art and will not be described in detail.
Further, a number key is arranged on the display 5, and the number key is used for setting a speed limit value of the vehicle speed. The number keys are set to implement the modification of the numerical values, which is not redundant for the prior art.
Further, the system further comprises a 360-degree close-up view assembly 8, wherein the 360-degree close-up view assembly 8 is composed of four AHD cameras, and the four AHD cameras comprise a front view AHD camera, a rear view AHD camera, a left view AHD camera and a right view AHD camera; the front view AHD camera is arranged at the middle upper part of the front bumper of the vehicle so as to realize the scene observation of 60 degrees in front of the vehicle; the rearview AHD camera is arranged above and behind the vehicle body of the vehicle so as to realize scene observation of 180 degrees behind the vehicle; the left view AHD camera is arranged above the left side contour line of the vehicle body of the vehicle so as to realize 180-degree scene observation on the left side of the vehicle; the right view AHD camera is arranged above the right side contour of the vehicle body of the vehicle to realize 180-degree scene observation on the right side of the vehicle. The system also comprises a blind area auxiliary observation assembly 7, wherein the blind area auxiliary observation assembly 7 is formed by one left-view AHD camera and one right-view AHD camera.
Specifically, 360-degree close-range observation is that front, back, left and right single-view observation can be realized through 4 AHD cameras around a vehicle body, and 360-degree round-view observation can be performed around the vehicle, and when the vehicle speed is less than 30km/h, the front view, the back view, the left view and the right view of the main display 5 can be automatically triggered through button switching views and same steering signals; and automatically turning off 360 close-range display when the vehicle speed is greater than 30 km/h. Therefore, the blind area auxiliary observation assembly 7 and the 360-degree close-range observation assembly 8 provided by the embodiment of the utility model not only solve the problem that the driver can not identify pedestrians and obstacles in the 360-degree circumferential 15-meter area of the vehicle under the low-speed working conditions of the vehicle in the daytime and at night; the problem that the driver is difficult to identify the surrounding conditions of the vehicle in the process of parking the vehicle in the daytime and parking the vehicle in the nighttime in the warehouse-in and warehouse-out processes is also solved; the problem that a driver cannot grasp the situation near the vehicle in the process of loading/unloading the trailer or the train platform is also solved; the problem that a driver has a blind area of view and cannot grasp the condition of the side rear part in the turning process of the vehicle is also solved.
Further, for the auxiliary observation of left rear blind areas and right rear blind areas, in the embodiment, a mirror image camera for observing from front to back is arranged on the left front side and the right front side of the vehicle body respectively, and the left and right images are spliced and displayed on another display screen to assist a driver in observing blind areas. Blind zone observation and auxiliary driving observation different-screen different-display can be realized through the design of the double displays 5, and display switching is not needed.
Therefore, the safety auxiliary driving system provided by the embodiment of the utility model can adopt three view switching functions of supporting steering signals, key signals and speed signals, and is rapid and intelligent to operate; the blind area enhancement view is provided for guiding the left and right observation of the vehicle and assisting the driver in road observation; meanwhile, the problems that a driver can not easily identify pedestrians and obstacles in a 360-degree circumferential 15-meter area range of a vehicle under the low-speed working conditions of the two vehicles in the daytime and at night are solved, and ultrasonic radar detection and alarm are achieved;
further, the display 5 is further configured to display 360-degree near view video, panoramic video, infrared video, left front blind zone video and right front blind zone video of the vehicle. Specifically, the display 5 is used for displaying a near-view video, a peripheral video, an infrared video, left and right front blind area videos of the vehicle, and functions of current vehicle speed value, speed limit value display, speed value setting, speed limit closing/opening setting and the like. All audible and visual alarms of the system are completed by the main display.
Specifically, the wide-angle low-illumination camera is selected as the AHD camera, so that clear view of surrounding scenes of the vehicle under low illumination can be realized, the heating and external cleaning device 6 is arranged in the camera, the camera can reliably work in extremely cold regions, ice and snow and sediment can be automatically cleaned through the cleaning device 6, meanwhile, the surface of the camera is subjected to rain-proof drop accumulation treatment, and the influence of rainwater accumulation on the view is prevented;
the AHD camera has special automatic antifouling and dustproof treatment, and can prevent the influence of mirror dust from reducing the video quality or influencing the use. In addition, the AHD camera also has the following functions: the operation of three view switching functions of steering signals, key signals and speed signals is fast and intelligent. The blind area enhancement view is provided to guide the left and right observation of the vehicle and assist the driver in road observation. The system has the functions of system self-checking and fault reporting, and supports vehicle-mounted bus access. And supporting video loop storage for not less than 7 days, and reserving a video export interface. And reserving an information interaction interface, and constructing a situation awareness platform through information interconnection.
Further, the system further comprises a cleaning device 6, which is used for receiving signals sent by a cleaning button arranged on the display 5, and driving the cleaning device 6 to realize cleaning operation on the lens of the AHD camera. Specifically, the cleaning device 6 can also be used for receiving signals sent by the cleaning buttons on the display 5 and driving the camera cleaning device 6 to realize cleaning operation on the camera lens, so as to solve the problem that the lens is blurred or cannot be imaged due to long-term outdoor running of an armored vehicle or bad weather conditions.
Further, the system also comprises a reversing radar 9 for displaying the alarm according to the distance between the obstacle and the radar wall with different colors on the display 5 and giving an audible alarm. In a further embodiment, the reversing radar 9 includes a front radar disposed in front of the vehicle body, a rear radar disposed behind the vehicle body, a left radar disposed on the left of the vehicle body, and a right radar disposed on the right of the vehicle body. Reversing radar 9: the detection of the obstacle is realized through 4 reversing radars 9 around the vehicle body, each reversing probe is matched with 4 reversing probes, the radar detection distance is 0.3-5 m, and the alarm display and the audible alarm reminding of the radar walls with different colors are carried out on the main display 5 according to the distance between the obstacle and the radar.
Further, the system also comprises a data exchange processing module for realizing the data exchange interoperability between the video signal of the AHD camera, the radar signal of the reversing radar 9, the cleaning device 6 and the speed-limiting controller 2 and the display 5.
In this embodiment, the data exchange processing module mainly realizes data exchange interoperability among the AHD camera video, the reversing radar 9 signal, the display 5, the camera cleaning and the speed limit controller 2 device. Based on fig. 1, it can be seen that the data exchange processing module, that is, the central processing unit, may be a single-chip processor, for example, STM32, STC89C51, etc. and has various interfaces, for example, a video interface, an audio interface, etc., which are in the prior art, and are not explained in any more.
Further, the system is also provided with a voice broadcasting module for broadcasting alarm information. The voice playing module can be realized through a loudspeaker, and redundant explanation is not made for the prior art.
In addition, it should be noted that in the circuit diagrams of fig. 2 to 10, the connection of each circuit element is clearly realized by a person skilled in the art according to the connection of the corresponding electronic element, so that the embodiments of the present utility model do not make redundant explanation.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (11)
1. A vehicle safety-assisted driving system with speed limit control, the system comprising:
the rotating speed sensor is used for collecting rotating speed information of the vehicle, and converting the rotating speed information into pulse signals;
the speed limit controller is used for calculating the speed of the vehicle according to the rotating speed information of the pulse signals;
the throttle controller is used for connecting a mechanical throttle cable of the vehicle, and when detecting that the speed of the vehicle is close to a preset speed limit value, the speed limit controller controls the throttle controller to apply a reverse torque to the mechanical throttle cable so as to adjust the speed of the vehicle;
the display is used for displaying the real-time speed of the vehicle at the current moment;
the speed sensor, the speed limiting controller and the throttle controller are electrically connected in sequence, and the display is electrically connected with the speed limiting controller.
2. The vehicle safety-assisted driving system with speed limit control according to claim 1, wherein the speed limit controller adjusts the vehicle speed by using a PID algorithm.
3. The vehicle safety driving assistance system with speed limit control according to claim 2, wherein a number key is provided on the display for setting a speed limit value of a vehicle speed by the number key.
4. The vehicle safety-assisted driving system with speed limit control of claim 1, further comprising a 360 degree near view viewing assembly, the 360 degree near view viewing assembly consisting of four AHD cameras, wherein the four AHD cameras comprise a front view AHD camera, a rear view AHD camera, a left view AHD camera, and a right view AHD camera;
the front view AHD camera is arranged at the middle upper part of the front bumper of the vehicle so as to realize the scene observation of 60 degrees in front of the vehicle; the rearview AHD camera is arranged above and behind the vehicle body of the vehicle so as to realize scene observation of 180 degrees behind the vehicle; the left view AHD camera is arranged above the left side contour line of the vehicle body of the vehicle so as to realize 180-degree scene observation on the left side of the vehicle; the right view AHD camera is arranged above the right side contour of the vehicle body of the vehicle to realize 180-degree scene observation on the right side of the vehicle.
5. The vehicle safety-assisted driving system with speed limit control of claim 4 further comprising a blind zone assisted viewing assembly formed by one of said left view AHD cameras and one of said right view AHD cameras.
6. The vehicle safety-assisted driving system with speed limit control of claim 5, wherein the display is further configured to display 360 degrees of near vision video, periscope video, infrared video, left front blind zone video and right front blind zone video of the vehicle.
7. The vehicle safety driving assistance system with speed limit control according to claim 4, further comprising a cleaning device for receiving a signal from a cleaning button provided on the display, and driving the cleaning device to perform a cleaning operation on a lens of the AHD camera.
8. A vehicle safety-assisted driving system with speed limit control according to claim 1, further comprising a reversing radar for warning display with different color radar walls on the display according to the distance of the obstacle, and audible warning prompt.
9. The vehicle safety-assisted driving system with speed limit control according to claim 8, wherein the reverse radar includes a front radar provided in front of a vehicle body, a rear radar provided behind the vehicle body, a left radar provided on the left of the vehicle body, and a right radar provided on the right of the vehicle body.
10. A vehicle safety driving assistance system with speed limit control according to any one of claims 1 to 9, further comprising a data exchange processing module for implementing data exchange interoperability between the AHD camera video signal, the reverse radar signal, the cleaning device and the speed limit controller and the display.
11. The vehicle safety driving assistance system with speed limit control according to claim 10, wherein the system is further provided with a voice broadcasting module for broadcasting alarm information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320537016.0U CN219667976U (en) | 2023-03-17 | 2023-03-17 | Vehicle safety auxiliary driving system with speed limiting control function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320537016.0U CN219667976U (en) | 2023-03-17 | 2023-03-17 | Vehicle safety auxiliary driving system with speed limiting control function |
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