CN106335429A - Active anti-collision early-warning system and method for opening of side doors of car - Google Patents
Active anti-collision early-warning system and method for opening of side doors of car Download PDFInfo
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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
- 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
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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
- B60Q1/32—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 vehicle sides, e.g. clearance lights
- B60Q1/323—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 vehicle sides, e.g. clearance lights on or for doors
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
本发明提供了一种汽车侧门开启主动防碰撞预警系统及方法，所述的预警系统包括了车门开启信号采集模块，用于对车门开启信号检测，并作为整个系统的开启信号；超声波检测模块，用于对车外环境的检测；中央数据处理模块，用于对超声波检测模块所测得数据处理，并判断是否启动预警模块；预警模块，分为两块，车外灯光预警和车内声光预警。双超声波检测模块，覆盖面积更广，车外灯光预警、车内声光预警，分别针对外在车辆、行人和车内乘客预警，时效性更强，主动防碰撞效益更好，进一步提高了安全性能，且预警准确性更强，成本较低。
The present invention provides an active anti-collision early warning system and method for opening a side door of an automobile. The early warning system includes a door opening signal acquisition module for detecting the door opening signal and serving as an opening signal for the entire system; an ultrasonic detection module, It is used to detect the environment outside the car; the central data processing module is used to process the data measured by the ultrasonic detection module and judge whether to start the early warning module; the early warning module is divided into two parts, the light warning outside the car and the sound and light inside the car early warning. Dual ultrasonic detection modules, covering a wider area, light warning outside the car, and sound and light warning inside the car, respectively for external vehicles, pedestrians and passengers inside the car, with stronger timeliness and better active anti-collision benefits, further improving safety Performance, and the early warning accuracy is stronger, and the cost is lower.
Description
技术领域technical field
本发明涉及一种汽车侧门开启主动防碰撞预警系统及方法，属于汽车侧门防碰撞安全领域。The invention relates to an active anti-collision warning system and method for opening an automobile side door, and belongs to the anti-collision safety field of an automobile side door.
背景技术Background technique
随着我国经济的快速发展，人民生活水平不断提高，我国的汽车保有量不断增加，随之而来的便是一系列的交通安全问题。据相关统计表明汽车侧面碰撞事故发生率仅次于正面碰撞事故发生率，高达27%，其中由于驾驶员和乘客缺乏安全意识，下车开门时不注意观察周围环境，所导致的交通事故是相当严重的，带来了不必要的经济财产损失和生命财产损失。With the rapid development of my country's economy, people's living standards continue to improve, and the number of cars in my country continues to increase, followed by a series of traffic safety problems. According to relevant statistics, the incidence of car side collision accidents is second only to the incidence of frontal collision accidents, as high as 27%. Among them, due to the lack of safety awareness of drivers and passengers, the traffic accidents caused by not paying attention to the surrounding environment when getting out of the car and opening the door are quite high. Seriously, it brings unnecessary economic property loss and loss of life and property.
发明内容Contents of the invention
本发明提供了一种汽车侧门开启主动防碰撞预警系统和方法，能提醒车外车辆和行人汽车车门即将开启，并提醒车内驾驶员和乘客开门环境是否安全，能有效地降低因车门开启发生碰撞事故的发生率，具有时效性高，预警准确，且成本低等优点。The invention provides an active anti-collision early warning system and method for opening a side door of a vehicle, which can remind vehicles and pedestrians outside the vehicle that the vehicle door is about to open, and remind the driver and passengers in the vehicle whether the environment for opening the door is safe, and can effectively reduce the occurrence of accidents caused by the opening of the vehicle door. The incidence of collision accidents has the advantages of high timeliness, accurate early warning, and low cost.
一种汽车侧门开启主动防碰撞预警系统，包括车门开启信号采集模块、超声波检测模块、中央数据处理模块和预警模块。An active anti-collision early warning system for opening a side door of an automobile, comprising a door opening signal acquisition module, an ultrasonic detection module, a central data processing module and an early warning module.
所述的车门开启信号采集模块，为信号采集器，用于采集车门开启信号，并作为整个系统的开启信号。The door opening signal collection module is a signal collector for collecting the door opening signal and serving as the opening signal of the entire system.
所述的超声波检测模块，用于检测车身周围环境，由垂直于车门处的超声波雷达和集成于后视镜内超声波雷达组成，超声波雷达扫描周期0.5s。垂直于车门处的超声波雷达用于检测垂直于车门处的周围环境，集成于后视镜内的超声波雷达用于检测平行于车门处的环境，垂直于车门处的超声波雷达镶嵌于四个车门内，集成于后视镜内的超声波雷达安装于左右后视镜内。The ultrasonic detection module is used to detect the surrounding environment of the vehicle body, and is composed of an ultrasonic radar perpendicular to the car door and an ultrasonic radar integrated in the rearview mirror. The scanning period of the ultrasonic radar is 0.5s. The ultrasonic radar perpendicular to the door is used to detect the surrounding environment perpendicular to the door, the ultrasonic radar integrated in the rearview mirror is used to detect the environment parallel to the door, and the ultrasonic radar perpendicular to the door is embedded in the four doors , The ultrasonic radar integrated in the rearview mirror is installed in the left and right rearview mirrors.
所述的中央数据处理模块，为单片机，分别与所述车门开启信号采集模块和超声波检测模块连接，用于对车门开启信号采集模块所传递的数据和超声波检测模块所传递的数据进行处理，并判断是否启动预警模块。The central data processing module is a single-chip microcomputer, which is respectively connected with the door opening signal acquisition module and the ultrasonic detection module, and is used for processing the data transmitted by the vehicle door opening signal acquisition module and the data transmitted by the ultrasonic detection module, and Determine whether to start the early warning module.
所述的预警模块，与所述中央数据处理模块连接，分为两处，一处为车外灯光预警，为LED灯，一处为车内声光预警，为指示灯和蜂鸣器。The early warning module is connected with the central data processing module and is divided into two parts, one is the light warning outside the car, which is an LED light, and the other is the sound and light warning inside the car, which is an indicator light and a buzzer.
本发明还提供了上述汽车侧门开启主动防碰撞的预警方法，包括：The present invention also provides the above-mentioned early warning method for active anti-collision when the side door of the automobile is opened, including:
（1）车门开启信号采集模块采集车门开启信号，并将信号传递给中央数据处理模块，作为系统启动信号；(1) The door opening signal acquisition module collects the door opening signal and transmits the signal to the central data processing module as a system start signal;
（2）垂直于车门处的超声波雷达检测垂直于车门处的周围环境，集成于后视镜内的超声波雷达检测平行于车门处的环境，超声波雷达扫描周期0.5s，并将实时数据传递给中央数据处理模块；(2) The ultrasonic radar perpendicular to the door detects the surrounding environment perpendicular to the door, and the ultrasonic radar integrated in the rearview mirror detects the environment parallel to the door. The scanning period of the ultrasonic radar is 0.5s, and the real-time data is transmitted to the central data processing module;
（3）设定垂直于车门处的超声波雷达检测安全距离为S 1，30cm≤S 1≤33.5cm，集成于后视镜内的超声波雷达检测安全距离为S 2，95cm≤S 2≤100cm，由于不同车型车门规格不一，控制S 2不超过车门的宽度；(3) Set the ultrasonic radar detection safety distance perpendicular to the car door as S 1 , 30cm≤ S 1 ≤33.5cm, and the ultrasonic radar detection safety distance integrated in the rearview mirror as S 2 , 95cm≤ S 2 ≤100cm, Due to the different door specifications of different models, the control S 2 should not exceed the width of the door;
（4）当障碍物距超声波检测模块中垂直于车门超声波雷达的距离S 3小于S 1，或距集成于后视镜内的超声波雷达距离S 4小于S 2，中央数据处理模块向预警模块发出指令，控制车内声光预警模块进行预警。(4) When the distance S 3 from the obstacle perpendicular to the door ultrasonic radar in the ultrasonic detection module is less than S 1 , or the distance S 4 from the ultrasonic radar integrated in the rearview mirror is less than S 2 , the central data processing module sends an alarm signal to the early warning module. Instructions to control the sound and light early warning module in the car for early warning.
上述步骤（1）中，当车门开启信号采集模块采集到车门开启信号并传递给中央数据处理模块后，由中央数据处理模块发出指令启动预警模块中的车外灯光预警板块，LED灯闪烁预警。In the above step (1), when the door opening signal acquisition module collects the door opening signal and transmits it to the central data processing module, the central data processing module sends an instruction to activate the exterior light warning module in the early warning module, and the LED light flashes for early warning.
预警模块中车外灯光预警的LED灯安装于车门外拉手上方，用于提醒车辆和行人，车门即将开启。The LED light of the exterior light warning in the early warning module is installed above the outer handle of the car door to remind vehicles and pedestrians that the door is about to open.
车内声光预警为指示灯和蜂鸣器，当检测到距离小于设定的距离时，指示灯和蜂鸣器同时预警，且距离越近指示灯闪烁越频繁，蜂鸣器音量越来越大。The sound and light warning in the car is an indicator light and a buzzer. When the detected distance is less than the set distance, the indicator light and the buzzer will give an early warning at the same time. Big.
本发明的有益效果是：由于同时安装了垂直于车门处超声波雷达和集成于后视镜内的超声波雷达，覆盖面积更广，检测的效果更好，预警更为准确；能提醒车外车辆和行人汽车车门即将开启，并提醒车内驾驶员和乘客开门环境是否安全，能有效地降低因车门开启发生碰撞事故的发生率，时效性更为突出，且成本较低。The beneficial effect of the present invention is: because the ultrasonic radar perpendicular to the car door and the ultrasonic radar integrated in the rearview mirror are installed at the same time, the coverage area is wider, the detection effect is better, and the early warning is more accurate; it can remind the vehicles outside the car and The pedestrian car door is about to open, and reminds the driver and passengers in the car whether the environment is safe to open the door, which can effectively reduce the incidence of collision accidents due to the door opening, the timeliness is more prominent, and the cost is lower.
附图说明Description of drawings
图1是本发明预警系统的结构组成图；Fig. 1 is a structural composition diagram of the early warning system of the present invention;
图2是本发明预警方法的示意图；Fig. 2 is a schematic diagram of the early warning method of the present invention;
图3是后视镜内超声波雷达安放示意图；Figure 3 is a schematic diagram of the placement of the ultrasonic radar in the rearview mirror;
图4是LED灯安放示意图。Figure 4 is a schematic diagram of the placement of LED lights.
具体实施方式detailed description
以下结合附图和实施例对本发明做进一步说明。The present invention will be further described below in conjunction with drawings and embodiments.
图中：1-后视镜，2-超声波雷达，3-LED灯，4-车门外拉手。In the picture: 1-rearview mirror, 2-ultrasonic radar, 3-LED light, 4-door handle.
图1为汽车侧门开启防碰撞预警系统的结构示意图，该系统由车门开启信号采集模块、超声波检测模块、中央数据处理模块、预警模块等模块组成。Figure 1 is a schematic structural diagram of the anti-collision warning system for opening the side door of a car. The system is composed of a door opening signal acquisition module, an ultrasonic detection module, a central data processing module, and an early warning module.
如图1所示，该系统各模块的连接顺序为：车门开启信号采集模块与中央数据处理模块相连接，超声波检测模块与中央数据处理模块相连接，中央数据处理模块与预警模块相连接。As shown in Figure 1, the connection sequence of each module of the system is: the door opening signal acquisition module is connected with the central data processing module, the ultrasonic detection module is connected with the central data processing module, and the central data processing module is connected with the early warning module.
车门开启信号采集模块，为信号采集器，用于采集车门开启信号；超声波检测模块，为超声波雷达，用于检测车身周围环境；中央数据处理模块，为单片机，用于对车门开启信号采集模块所传递的数据和超声波检测模块所传递的数据进行处理，并判断是否启动预警模块；预警模块，分为两处，一处为车外灯光预警，为LED灯，一处为车内声光预警，为指示灯和蜂鸣器。The door opening signal acquisition module is a signal collector for collecting door opening signals; the ultrasonic detection module is an ultrasonic radar for detecting the surrounding environment of the vehicle body; the central data processing module is a single-chip microcomputer for detecting The transmitted data and the data transmitted by the ultrasonic detection module are processed, and it is judged whether to start the early warning module; the early warning module is divided into two parts, one is the light warning outside the car, which is an LED light, and the other is the sound and light warning inside the car. For indicator light and buzzer.
车门开启信号采集模块，为信号采集器，用于采集车门开启信号，一旦检测到车门开启信号，就将信号传递给中央数据处理模块，作为系统启动信号。The door opening signal acquisition module is a signal collector for collecting the door opening signal. Once the door opening signal is detected, the signal is transmitted to the central data processing module as a system start signal.
超声波检测模块，由垂直于车门处的超声波雷达和集成于后视镜内超声波雷达组成，超声波雷达扫描周期0.5s，并将实时数据传递给中央数据处理模块。The ultrasonic detection module is composed of the ultrasonic radar perpendicular to the door and the ultrasonic radar integrated in the rearview mirror. The ultrasonic radar scan period is 0.5s, and the real-time data is transmitted to the central data processing module.
垂直于车门处的超声波雷达用于检测垂直于车门处的周围环境，集成于后视镜内的超声波雷达用于检测平行于车门处的环境，垂直于车门处的超声波雷达镶嵌于四个车门内，集成于后视镜内的超声波雷达安装于左右后视镜内。The ultrasonic radar perpendicular to the door is used to detect the surrounding environment perpendicular to the door, the ultrasonic radar integrated in the rearview mirror is used to detect the environment parallel to the door, and the ultrasonic radar perpendicular to the door is embedded in the four doors , The ultrasonic radar integrated in the rearview mirror is installed in the left and right rearview mirrors.
设定垂直于车门处的超声波雷达检测安全距离为S 1，30cm≤S 1≤33.5cm，集成于后视镜内的超声波雷达检测安全距离为S 2，95cm≤S 2≤100cm，由于不同车型车门规格不一，控制S 2不超过车门的宽度。当障碍物距超声波检测模块中垂直于车门超声波雷达的距离S 3小于S 1，或距集成于后视镜内的超声波雷达距离S 4小于S 2，预警模块中车内声光预警模块进行预警。Set the ultrasonic radar detection safety distance perpendicular to the car door as S 1 , 30cm≤ S 1 ≤33.5cm, and the ultrasonic radar detection safety distance integrated in the rearview mirror as S 2 , 95cm≤ S 2 ≤100cm, due to different models The door specifications vary, and the Control S 2 does not exceed the width of the door. When the distance S 3 from the obstacle perpendicular to the door ultrasonic radar in the ultrasonic detection module is less than S 1 , or the distance S 4 from the ultrasonic radar integrated in the rearview mirror is less than S 2 , the sound and light early warning module in the early warning module will give an early warning .
当车门开启信号采集模块采集到车门开启信号并传递给中央数据处理模块后，由中央数据处理模块发出指令启动预警模块中的车外灯光预警板块，LED灯闪烁预警。After the door opening signal acquisition module collects the door opening signal and transmits it to the central data processing module, the central data processing module sends an instruction to start the exterior light warning block in the early warning module, and the LED light flashes for early warning.
预警模块中车外灯光预警的LED灯安装于车门外拉手上方，用于提醒车辆和行人，车门即将开启。The LED light of the exterior light warning in the early warning module is installed above the outer handle of the car door to remind vehicles and pedestrians that the door is about to open.
车内声光预警为指示灯和蜂鸣器，当检测到距离小于设定的距离时，指示灯和蜂鸣器同时预警，且距离越近指示灯闪烁越频繁，蜂鸣器音量越来越大。The sound and light warning in the car is an indicator light and a buzzer. When the detected distance is less than the set distance, the indicator light and the buzzer will give an early warning at the same time. Big.
本发明采用车门开启信号采集器，以车门开启信号为系统启动信号，超声波雷达为测距载体，单片机为数据处理终端，对所得数据进行处理，通过LED灯对车外车辆和行人进行提醒，通过指示灯和蜂鸣器对车内人员提醒，结构合理，有效的提高了预警的时效性、准确性，且成本相对较低，有利于推广应用。The invention adopts the door opening signal collector, uses the door opening signal as the system start signal, the ultrasonic radar as the distance measuring carrier, and the single chip microcomputer as the data processing terminal to process the obtained data, and remind the vehicles and pedestrians outside the vehicle through LED lights. The indicator light and the buzzer remind the people in the car, and the structure is reasonable, which effectively improves the timeliness and accuracy of the early warning, and the cost is relatively low, which is conducive to popularization and application.
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| CN110562126A (en) * | 2018-05-16 | 2019-12-13 | 上海博泰悦臻电子设备制造有限公司 | Vehicle external atmosphere lamp system |
| CN111055762A (en) * | 2019-12-05 | 2020-04-24 | 浙江合众新能源汽车有限公司 | Pedestrian protection method for vehicle |
| CN115139901A (en) * | 2021-03-31 | 2022-10-04 | 大陆汽车电子（连云港）有限公司 | System for preventing a door of a motor vehicle from colliding with an object when opening |
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| CN111055762A (en) * | 2019-12-05 | 2020-04-24 | 浙江合众新能源汽车有限公司 | Pedestrian protection method for vehicle |
| CN115139901A (en) * | 2021-03-31 | 2022-10-04 | 大陆汽车电子（连云港）有限公司 | System for preventing a door of a motor vehicle from colliding with an object when opening |
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