CN105644422B - A kind of automobile deceleration safety system - Google Patents

A kind of automobile deceleration safety system Download PDF

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Publication number
CN105644422B
CN105644422B CN201610229309.7A CN201610229309A CN105644422B CN 105644422 B CN105644422 B CN 105644422B CN 201610229309 A CN201610229309 A CN 201610229309A CN 105644422 B CN105644422 B CN 105644422B
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automobile
signal processing
processing module
module
accelerometer
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CN105644422A (en
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谭德荣
黄江亮
马要娟
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Shandong University of Technology
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Shandong University of Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Emergency Alarm Devices (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

本发明属于汽车安全领域，具体涉及一种汽车减速安全系统。它包括用于提示后方车辆的车尾灯；用于提示驾驶员的蜂鸣器；用于检测车辆加速度的加速度计；用于检测车辆俯仰角的陀螺仪；用于检测后方车辆数量、位置、距离和速度的毫米波雷达；处理各单元与传感器传来的信息，并产生控制信息的控制器。对于高速行驶的汽车在油门踏板开度减小，但未踩刹车踏板时，后方车辆不易观察到该车正在减速。本发明针对这一潜在危险，设计一种汽车减速安全系统，具备较强的通用性和可靠性。

The invention belongs to the field of automobile safety, and in particular relates to an automobile deceleration safety system. It includes taillights for prompting rear vehicles; buzzer for prompting drivers; accelerometer for detecting vehicle acceleration; gyroscope for detecting vehicle pitch angle; detecting number, position and distance of rear vehicles and speed millimeter-wave radar; the controller that processes the information from each unit and sensor and generates control information. For a car running at high speed, when the opening of the accelerator pedal is reduced, but the brake pedal is not stepped on, it is difficult for the vehicles behind to observe that the car is decelerating. Aiming at this potential danger, the present invention designs an automobile deceleration safety system, which has strong versatility and reliability.

Description

一种汽车减速安全系统A car deceleration safety system

技术领域technical field

本发明属于汽车安全领域，具体涉及一种汽车减速安全系统。The invention belongs to the field of automobile safety, and in particular relates to an automobile deceleration safety system.

背景技术Background technique

随着社会经济水平的发展，汽车也开始进入千家万户，从最初的奢侈品成为一种基本消费品，保有量越来越大，汽车厂商的竞争也越来越激烈，消费者对于汽车的要求和期望也越来越高，尤其对安全性要求尤为重视。当高速行驶的汽车松开油门踏板或油门开度减小时，但是又没有踩刹车踏板，这时汽车的速度是减小的。由于没踩刹车踏板，所以汽车尾灯这时是不亮的，后方车辆无法注意到该车正在减速。容易引发安全事故，对车辆和人员造成伤害。With the development of social and economic level, automobiles have also begun to enter thousands of households. From the initial luxury goods to a basic consumer goods, the number of ownership is increasing, and the competition among automobile manufacturers is becoming more and more fierce. Consumers' requirements for automobiles And expectations are getting higher and higher, especially for security requirements. When a car running at high speed releases the accelerator pedal or the accelerator opening decreases, but does not step on the brake pedal, the speed of the car is reduced. Because the brake pedal is not pressed, the taillights of the car are not on at this time, and the vehicles behind cannot notice that the car is slowing down. It is easy to cause safety accidents and cause injury to vehicles and personnel.

发明内容Contents of the invention

本发明的目的就是针对上述背景技术存在的不足，提供一种结构简单、可靠性强的汽车减速安全系统。The object of the present invention is to provide a vehicle deceleration safety system with simple structure and strong reliability in view of the shortcomings of the above-mentioned background technology.

本发明针对上述存在的问题主要是通过下述技术方案得以解决的。The present invention mainly solves the above-mentioned problems through the following technical solutions.

一种汽车减速安全系统，包括车尾灯、加速度计、陀螺仪、警示控制器、毫米波雷达、蜂鸣器，其特征在于。A vehicle deceleration safety system, comprising a taillight, an accelerometer, a gyroscope, a warning controller, a millimeter-wave radar, and a buzzer, is characterized in that:

加速度计，用于获得汽车的加速度；陀螺仪，用于获取汽车的俯仰角；警示控制器，处理各单元与传感器传来的信息，并产生控制信息；毫米波雷达，检测汽车后方车辆的数量、位置、速度和距离；蜂鸣器，当后方车辆距离本车过近时，对驾驶员发出提醒。The accelerometer is used to obtain the acceleration of the car; the gyroscope is used to obtain the pitch angle of the car; the warning controller processes the information from each unit and sensor and generates control information; the millimeter wave radar detects the number of vehicles behind the car , position, speed and distance; buzzer, when the rear vehicle is too close to the vehicle, it will remind the driver.

所述警示控制器包括主处理器、以及分别与主处理器相连的电源模块、灯光闪烁模块、语音警示模块和处理毫米波雷达信号的信号处理模块一、处理加速度计信号的信号处理模块二、处理陀螺仪信号的信号处理模块三，所述灯光闪烁模块与车尾灯电连接，所述语音警示模块与蜂鸣器电连接，所述信号处理模块一与毫米波雷达电连接，所述信号处理模块二与加速度计电连接，所述信号处理模块三与陀螺仪电连接。The warning controller includes a main processor, a power supply module connected to the main processor, a light flashing module, a voice warning module, and a signal processing module 1 for processing millimeter-wave radar signals, a signal processing module 2 for processing accelerometer signals, Signal processing module three for processing gyroscope signals, the light flashing module is electrically connected to the taillight, the voice warning module is electrically connected to the buzzer, the signal processing module one is electrically connected to the millimeter wave radar, and the signal processing module Module two is electrically connected to the accelerometer, and the signal processing module three is electrically connected to the gyroscope.

所述加速度计安装在汽车底盘，方向沿汽车Y轴（汽车前进方向），将信号发送给信号处理模块二，由信号处理模块二计算车辆的在Y轴方向（汽车前进方向）上的加速度，并发送给主处理器。The accelerometer is installed on the chassis of the car, and the direction is along the Y axis of the car (the forward direction of the car), and the signal is sent to the signal processing module 2, and the signal processing module 2 calculates the acceleration of the vehicle in the Y axis direction (the forward direction of the car), and sent to the main processor.

所述陀螺仪水平地安装在汽车底盘。将信号发送给信号处理模块三，由信号处理模块三计算车辆的俯仰角，以备主处理器调用。The gyroscope is installed horizontally on the chassis of the car. The signal is sent to the signal processing module 3, and the signal processing module 3 calculates the pitch angle of the vehicle for calling by the main processor.

所述毫米波雷达安装在汽车尾部。将信号发送给信号处理模块一，由信号处理模块一计算后方车辆的数量，位置，距离和速度，以备主处理器调用。The millimeter wave radar is installed at the rear of the car. The signal is sent to the signal processing module 1, and the signal processing module 1 calculates the number, position, distance and speed of the vehicles behind, in order to be called by the main processor.

所述蜂鸣器采用无源蜂鸣器。The buzzer is a passive buzzer.

本发明设置加速度计、陀螺仪、毫米波雷达和警示控制器，在非爬坡状态，驾驶员向上抬油门踏板，但是又没踩刹车踏板的时候，将情况通过车尾灯闪烁，告知后方车辆，本车正在减速。如果后方车辆未减速，且距离本车很近的时候，通过蜂鸣器提醒驾驶员。如果汽车正处于爬坡状态，系统将不控制车尾灯闪烁，防止误警报。本发明在高速路上尤为适用，大大提高车辆的安全性，具有较强的通用性和可靠性。The present invention is equipped with an accelerometer, a gyroscope, a millimeter-wave radar, and a warning controller. In a non-climbing state, when the driver lifts the accelerator pedal but does not step on the brake pedal, the situation will be flashed through the taillights to inform the rear vehicles. The car is decelerating. If the vehicle behind does not slow down and is very close to the vehicle, the driver will be reminded by a buzzer. If the car is in a climbing state, the system will not control the flashing of the taillights to prevent false alarms. The invention is especially applicable on the expressway, greatly improves the safety of the vehicle, and has strong versatility and reliability.

附图说明Description of drawings

图1是本发明的结构示意框图。Fig. 1 is a schematic block diagram of the structure of the present invention.

图2是本发明的安装示意图主视图。Fig. 2 is a schematic front view of the installation of the present invention.

图3是本发明的安装示意图俯视图。Fig. 3 is a schematic top view of the installation of the present invention.

图4是本发明的工作流程图。Fig. 4 is a working flow chart of the present invention.

图中：1、毫米波雷达，2、加速度计，3、陀螺仪，4、蜂鸣器，5、车尾灯，6、电源模块，7、灯光闪烁模块，8、语音警示模块，9、信号处理模块一，10、信号处理模块二，11、信号处理模块三，12、主处理器，13、警示控制器，14、汽车，15、汽车底盘。In the figure: 1. Millimeter wave radar, 2. Accelerometer, 3. Gyroscope, 4. Buzzer, 5. Tail light, 6. Power module, 7. Light flashing module, 8. Voice warning module, 9. Signal Processing module one, 10, signal processing module two, 11, signal processing module three, 12, main processor, 13, warning controller, 14, automobile, 15, automobile chassis.

具体实施方式Detailed ways

下面结合附图和具体实施例对本发明作进一步的详细说明，便于清楚地了解本发明，但它们不对本发明构成限定。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.

一种汽车减速安全系统，如图1所示，包括车尾灯5、安装在汽车底盘15的加速度计2和陀螺仪3、警示控制器13以及安装在汽车14尾部的毫米波雷达1和安装在方向盘附近的蜂鸣器4，所述车尾灯5、速度计2、陀螺仪3、毫米波雷达1和蜂鸣器4均与警示控制器13相连。A kind of automobile deceleration safety system, as shown in Figure 1, comprises car tail light 5, is installed in the accelerometer 2 and gyroscope 3 of automobile chassis 15, warning controller 13 and is installed in the millimeter wave radar 1 of automobile 14 tails and is installed in The buzzer 4 near the steering wheel, the tail lights 5, the speedometer 2, the gyroscope 3, the millimeter wave radar 1 and the buzzer 4 are all connected to the warning controller 13.

所述警示控制器13包括主处理器12、以及分别与主处理器12相连的电源模块6、灯光闪烁模块7、语音警示模块8和处理毫米波雷达信号的信号处理模块一9、处理加速度计信号的信号处理模块二10、处理陀螺仪信号的信号处理模块三11，所述灯光闪烁模块7与车尾灯5电连接，控制车尾灯5的闪烁；所述语音警示模块8与蜂鸣器4电连接；所述信号处理模块一9与毫米波雷达1电连接，将毫米波雷达1传来的信号进行处理，得出后方车辆的数量、位置、距离和速度；所述信号处理模块二10与加速度计2电连接，将加速度计2传来的信号处理，得出本车的加速度；所述信号处理模块三11与陀螺仪3电连接，将陀螺仪3传来的信号处理，得出本车的俯仰角。Described warning controller 13 comprises main processor 12, and the power supply module 6 that is connected with main processor 12 respectively, light flashing module 7, voice warning module 8 and the signal processing module one 9 that processes millimeter-wave radar signal, processing accelerometer The signal processing module two 10 of the signal, the signal processing module three 11 of processing the gyroscope signal, the light flashing module 7 is electrically connected with the taillight 5, and controls the flashing of the taillight 5; the voice warning module 8 and the buzzer 4 Electrically connected; the signal processing module one 9 is electrically connected to the millimeter wave radar 1, and the signal transmitted by the millimeter wave radar 1 is processed to obtain the number, position, distance and speed of the rear vehicle; the signal processing module two 10 It is electrically connected with the accelerometer 2, and the signal processing from the accelerometer 2 is processed to obtain the acceleration of the car; the signal processing module 3 11 is electrically connected to the gyroscope 3, and the signal processing from the gyroscope 3 is obtained to obtain The pitch angle of the vehicle.

本发明的工作原理，如图4所示，首先，主处理器12实时地接收经过信号处理模块二10处理之后的加速度信号，并判断汽车14的减速度是否超过0.2g，如果没超过，则不做任何操作，如果超过，则主处理器12调用信号处理模块一9和调用信号处理模块三11的信号，判断汽车14仰角是否超过5度，如果超过，则不做任何操作，如果没超过，说明现在本车正在非爬坡状态下减速，存在潜在危险，主处理器12向灯光闪烁模块7发送命令，控制车尾灯5闪烁，来提示后方驾驶员，本车正在减速；同时主处理器12判断后方是否有车辆快速靠近本车，如果有，则主处理器12向语音警示模块8发送命令，控制蜂鸣器4响，向驾驶员做出警报。Working principle of the present invention, as shown in Figure 4, at first, main processor 12 receives in real time the acceleration signal after signal processing module two 10 processes, and judges whether the deceleration of automobile 14 exceeds 0.2g, if not exceeding, then Do not do any operation, if it exceeds, then the main processor 12 calls the signals of the signal processing module one 9 and the signal processing module three 11 to judge whether the elevation angle of the car 14 exceeds 5 degrees, if it exceeds, then no operation is performed, if it does not exceed , indicating that the car is now decelerating in a non-climbing state, and there is a potential danger. The main processor 12 sends a command to the light flashing module 7 to control the taillight 5 to flash to remind the driver behind that the car is decelerating; at the same time, the main processor 12 judge whether the rear has vehicle to approach this car fast, if have, then main processor 12 sends order to voice warning module 8, controls buzzer 4 to sound, and makes alarm to driver.

Claims (1)

1. a kind of automobile deceleration safety system, including tail-light, which is characterized in that further include：
Accelerometer, for obtaining the acceleration of automobile；
Gyroscope, for obtaining the pitch angle of automobile；
Alarm controller, the information that processing each unit is transmitted with sensor, and generate control information；
Millimetre-wave radar detects the speed and distance of automobile front vehicle；
Buzzer when front vehicle is excessively near apart from this vehicle, sends out driver prompting；
The alarm controller include primary processor and be connected respectively with primary processor power module, light flash module, The signal processing module one of phonetic warning module and processing MMW RADAR SIGNAL USING, the signal processing mould for handling accelerometer signal Block two, the signal processing module three for handling gyroscope signal, the light flash module are electrically connected with tail-light, the voice police Show that module is electrically connected with buzzer, the signal processing module one is electrically connected with millimetre-wave radar, the signal processing module two It is electrically connected with accelerometer, the signal processing module three is electrically connected with gyroscope；
The accelerometer is mounted on automobile chassis, and direction obtains the acceleration of automobile in the Y-axis direction along automobile Y-axis；
It is mounted on automobile chassis to the gyrohorizon；
The millimetre-wave radar is mounted on automobile tail；
The buzzer uses passive buzzer；
Wherein, the primary processor receives the acceleration signal after being handled by the signal processing module two in real time；
And judge the deceleration of automobile whether more than 0.2g；
If not above any operation is not done；
If it does, then the primary processor calls the signal processing module one and calls the letter of the signal processing module three Number, judge the automobile elevation angle whether more than 5 degree；
If it does, any operation is not done then；
If not above illustrating that this present vehicle just slows down under non-climbing state, there are potential dangers.
CN201610229309.7A 2016-04-14 2016-04-14 A kind of automobile deceleration safety system Expired - Fee Related CN105644422B (en)

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CN105313769A (en) * 2015-10-14 2016-02-10 武汉理工大学 Vehicle active forewarning method, system and device based on millimeter wave radar

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