CN108876959B - Automobile data recorder for early warning of monitoring of surrounding vehicles and control method - Google Patents
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Abstract
Description
技术领域technical field
本发明涉及一种行车记录仪，更具体的说，涉及一种对来自周围车辆的监控进行预警的行车记录仪及控制方法。The invention relates to a driving recorder, and more particularly, to a driving recorder and a control method for early warning of monitoring from surrounding vehicles.
背景技术Background technique
行车记录仪目前已经大量普及，交通执法机构正在推行基于公众车辆行车记录仪的车辆行车违章举报系统。普通的行车记录仪可以记录行车途中的本车辆或其他车辆的影像和声音，使用者在手机端通过行车记录仪自带的WIFI热点功能上对行车记录仪摄录的影像声音资料进行无线管理，但是普通的行车记录仪并不具备对安装有含WIFI功能行车记录仪的周边车辆进行预警的功能。预警功能的缺失可能导致驾驶员较弱的安全行车警惕性甚至导致驾驶员自身的行车违法行为增加驾驶员的发生车祸概率和带来不必要的经济损失。Driving recorders have been widely popularized at present, and traffic law enforcement agencies are implementing a vehicle driving violation reporting system based on public vehicle driving recorders. The ordinary driving recorder can record the image and sound of the vehicle or other vehicles on the way. The user can wirelessly manage the video and sound data recorded by the driving recorder on the mobile phone through the WIFI hotspot function of the driving recorder. However, the ordinary driving recorder does not have the function of early warning of the surrounding vehicles installed with the driving recorder with the WIFI function. The lack of early warning function may lead to the driver's weaker vigilance for safe driving and even the driver's own illegal driving behavior, which increases the driver's probability of accident and brings unnecessary economic losses.
发明内容SUMMARY OF THE INVENTION
本发明为行驶中的车辆，提供动态的来自周围其他车辆的电子眼的报警信息，在传统的行车记录仪的基础上，通过WIFI模块检测周围车辆中是否存在记录违章行为的行车记录仪的WIFI信号，从而提醒司机安全驾驶，提供了一种对来自周围车辆的监控进行预警的行车记录仪及控制方法。The present invention provides dynamic alarm information from the electronic eyes of other surrounding vehicles for the vehicle in motion. On the basis of the traditional driving recorder, the WIFI module detects whether there is a WIFI signal of the driving recorder recording illegal behavior in the surrounding vehicles. , thereby reminding the driver to drive safely, and providing a driving recorder and a control method for early warning of monitoring from surrounding vehicles.
本发明的目的是通过以下技术方案实现的：一种对来自周围车辆的监控进行预警的行车记录仪，包括：The purpose of the present invention is to achieve through the following technical solutions: a kind of driving recorder for early warning of monitoring from surrounding vehicles, including:
控制单元，用于对整个的行车记录仪进行程序控制；The control unit is used for program control of the entire driving recorder;
WIFI单元，与控制单元相连，用于对周围的车辆的WIFI信号进行检测，并将获得的WIFI列表信息反馈给控制单元；The WIFI unit, connected with the control unit, is used for detecting the WIFI signals of the surrounding vehicles, and feeding back the obtained WIFI list information to the control unit;
显示与按键单元，与控制单元相连，用于显示行车记录仪的基本参数和显示周围存在的拥有报警功能的电子眼的信息；The display and button unit is connected with the control unit, and is used to display the basic parameters of the driving recorder and the information of the electronic eyes with the alarm function existing around;
GPS单元，与控制单元相连，用于对车辆的位置速度进行确定；The GPS unit, connected with the control unit, is used to determine the position and speed of the vehicle;
震动传感器，与控制单元相连，用于采集车辆收到的震动，推测路况信息；A vibration sensor, connected to the control unit, is used to collect vibrations received by the vehicle and infer road condition information;
储存单元，与控制单元相连，用于对震动传感器、GPS单元、WIFI单元和测距单元采集的道路数字信息和图像信息以及热点信息进行储存；a storage unit, connected with the control unit, for storing road digital information, image information and hotspot information collected by the vibration sensor, the GPS unit, the WIFI unit and the ranging unit;
测距单元，与控制单元相连，用于检测与前方车辆的距离信息；a ranging unit, connected with the control unit, for detecting the distance information from the vehicle ahead;
声音单元，与控制单元相连，用于对驾驶员进行实时的提醒；The sound unit, connected with the control unit, is used to remind the driver in real time;
摄像头单元，与控制单元相连，用于图像的采集和获取。The camera unit, connected with the control unit, is used for image collection and acquisition.
作为优选，所述WIFI单元选取SEP8266WIFI收发模块，可以实现WIFI的信号的检测，强度测量，WIFI名称的字段提取等功能，通过串行端口与控制单元相连。Preferably, the WIFI unit selects the SEP8266 WIFI transceiver module, which can realize the functions of WIFI signal detection, strength measurement, field extraction of WIFI name, etc., and is connected to the control unit through the serial port.
作为优选，所述显示与按键单元选取HD7279芯片控制的八位数码管与按键，可以实现数码管的扫描，按键监控的功能，实现系统信息的输出，通过IO口与控制单元相连。Preferably, the display and key unit selects an eight-digit digital tube and keys controlled by the HD7279 chip, which can realize the scanning of the digital tube and the functions of key monitoring, realize the output of system information, and connect with the control unit through the IO port.
作为优选，所述GPS单元选取NEO-6MGPS模块，可以实现对GPS信号的实时采集和跟踪，并且自动解析信号获得经纬度与速度信息，通过串行口与控制单元相连。Preferably, the GPS unit selects the NEO-6MGPS module, which can realize real-time acquisition and tracking of GPS signals, and automatically analyze the signals to obtain latitude, longitude and speed information, and connect to the control unit through a serial port.
作为优选，所述震动传感器单元选取SW-1801P模块，可以对车辆的震动进行检测，通过AD端口与与控制单元相连。Preferably, the vibration sensor unit selects the SW-1801P module, which can detect the vibration of the vehicle, and is connected to the control unit through the AD port.
作为优选，所述储存单元选取CH376SUSB模块，可以通过串口或者IO口读写优盘，存储响应的，通过串行口与控制单元相连。Preferably, the storage unit selects the CH376SUSB module, which can read and write a USB flash drive through a serial port or an IO port, and if the response is stored, it is connected to the control unit through a serial port.
作为优选，所述测距单元使用HY-SRF05超声波测距模块，可以实现对车前端障碍物的检测，通过AD端口与控制单元相连。Preferably, the ranging unit uses the HY-SRF05 ultrasonic ranging module, which can detect obstacles at the front end of the vehicle, and is connected to the control unit through the AD port.
作为优选，所述声音单元选取Risym ISD1820模块，用于产生声音提示，通过IO口与控制单元相连。Preferably, the sound unit selects the Risym ISD1820 module, which is used to generate sound prompts and is connected to the control unit through the IO port.
作为优选，所述控制单元选取STC15W4k64S2芯片，实现对整体的主控作用。Preferably, the control unit selects the STC15W4k64S2 chip to realize the main control function of the whole.
本发明的另一目的是提供上述行车记录仪的控制方法，包括如下步骤：Another object of the present invention is to provide a control method for the above-mentioned driving recorder, comprising the following steps:
步骤一：控制单元检测所有的硬件连接和工作状态是否正常，检测的顺序为：显示单元、声音单元、WIFI单元、GPS单元、震动传感器单元、存储单元、测距单元；除显示单元的连接出现错误外，其余单元的错误信息通过显示单元进行显示；Step 1: The control unit checks whether all hardware connections and working states are normal. The order of detection is: display unit, sound unit, WIFI unit, GPS unit, vibration sensor unit, storage unit, and ranging unit; except that the connection of the display unit appears In addition to errors, the error information of other units is displayed through the display unit;
步骤二：控制单元与测距单元进行通信，获取距离信息；Step 2: the control unit communicates with the ranging unit to obtain distance information;
步骤三：控制单元与震动传感器单元进行通信，获得路况信息；Step 3: the control unit communicates with the vibration sensor unit to obtain road condition information;
步骤四：控制单元与GPS单元进行通信，获得车辆的位置速度信息；Step 4: the control unit communicates with the GPS unit to obtain the position and speed information of the vehicle;
步骤五：根据上述距离、路况和位置速度信息综合判断是否有必要进行行驶记录，如果判断结果为是，进入行驶结果记录模式；如果结果为非，继续执行下一步骤；Step 5: Comprehensively judge whether it is necessary to record the driving according to the above distance, road conditions and position and speed information. If the judgment result is yes, enter the driving result recording mode; if the result is no, continue to the next step;
在行驶结果记录模式中，首先产生进入记录模式的提示音，后控制单元控制摄像头单元将采集的图像信息写入储存单元中；In the driving result recording mode, a prompt tone for entering the recording mode is first generated, and then the control unit controls the camera unit to write the collected image information into the storage unit;
步骤六：进入对来自周围车辆的监控进行预警的检测模式；Step 6: Enter the detection mode for early warning of monitoring from surrounding vehicles;
在预警监测模式中，步骤如下：In the early warning monitoring mode, the steps are as follows:
1、控制单元与WIFI单元通信，获得附近存在的WIFI热点的名称列表信息，并且将相应的热点信息保存在储存单元中；1. The control unit communicates with the WIFI unit, obtains the name list information of the nearby WIFI hotspots, and saves the corresponding hotspot information in the storage unit;
2、控制单元通过将获得的信息与预设定的常见监控热点进行比较，判断周围的热点是否是来自周围车辆的监控仪的热点；2. The control unit compares the acquired information with the preset common monitoring hotspots to determine whether the surrounding hotspots are the hotspots from the monitoring instruments of the surrounding vehicles;
3、如果发现了监控热点的存在，通过语音与显示提醒驾驶者；3. If the existence of monitoring hotspots is found, the driver will be reminded by voice and display;
步骤七：本次循环执行完毕，回到步骤二。Step 7: After this cycle is completed, go back to Step 2.
本发明的效益是：本记录仪通过WIFI单元，配合数据库检测周围的拥有举报能力的行车记录仪，如果发现了在车辆周围存在响应的具有举报能力的行车记录仪，会提醒司机安全驾驶并且在显示屏幕中显示。不仅能够在车辆行驶过程中提醒驾驶员注意遵守交通法规，而且能够降低道路上的事故的发生率。最主要的可以减少驾驶者在行驶过程中因为违章而带来的经济损失。The benefits of the present invention are: the recorder detects the surrounding driving recorders with reporting capability through the WIFI unit and cooperates with the database. If a responding driving recorder with reporting capability is found around the vehicle, it will remind the driver to drive safely. displayed on the display screen. Not only can it remind the driver to pay attention to obeying traffic laws while the vehicle is running, but also reduce the incidence of accidents on the road. The most important thing is to reduce the economic losses caused by the violation of regulations during the driving process.
附图说明Description of drawings
图1为本发明逻辑框图；Fig. 1 is the logic block diagram of the present invention;
图2为本发明程序流程框图。FIG. 2 is a block diagram of the program flow of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例对本发明做进一步描述。虽然本发明将结合较佳实施例进行描述，但应知道，并不表示本发明限制在所述实施例中。相反，本发明将涵盖可包含在有附后权利要求书限定的本发明的范围内的替换物、改进型和等同物。The present invention will be further described below with reference to the accompanying drawings and embodiments. While the present invention will be described in conjunction with preferred embodiments, it should be understood that the invention is not intended to be limited to such embodiments. On the contrary, the invention is to cover alternatives, modifications and equivalents, which may be included within the scope of the invention as defined by the appended claims.
如图1所示，这种对来自周围车辆的监控进行预警的行车记录仪包括一个控制单元，一WIFI单元，一显示与按键单元，一GPS单元，一震动传感器单元，一存储单元，一测距单元，一声音单元，一摄像头单元；WIFI单元、显示与按键单元、GPS单元、震动传感器单元、存储单元、测距单元、声音单元和摄像头单元均与控制单元电连接，摄像头单元还与存储单元电连接，图中的箭头表示控制信号和数据信号的传输方向。其中测距单元、震动传感器单元、GPS单元、WIFI单元和摄像头单元为输入单元，为整个系统提供输入信号；测距单元、震动传感器单元、WIFI单元和GPS单元提供的数据量较小可以被控制单元直接获取，所以由控制单元直接接受，摄像头单元会采集大量的视频信息，所以直接储存在存储单元中。系统通过声音单元和显示单元进行输出，将驾驶员需要的信息进行传递。作为优选，所述WIFI单元选取SEP8266WIFI收发模块，可以实现WIFI的信号的检测，强度测量，WIFI名称的字段提取等功能，通过串行端口与控制单元相连。作为优选，所述显示与按键单元选取HD7279芯片控制的八位数码管与按键，可以实现数码管的扫描，按键监控的功能，实现系统信息的输出，通过IO口与控制单元相连，但不限于此。作为优选，所述GPS单元选取NEO-6MGPS模块，可以实现对GPS信号的实时采集和跟踪，并且自动解析信号获得经纬度与速度信息，通过串行口与控制单元相连，但不限于此。作为优选，所述震动传感器单元选取SW-1801P模块，可以对车辆的震动进行检测，通过AD端口与与控制单元相连，但不限于此。作为优选，所述储存单元选取CH376SUSB模块，可以通过串口或者IO口读写优盘，存储响应的，通过串行口与控制单元相连，但不限于此。作为优选，所述测距单元使用HY-SRF05超声波测距模块，可以实现对车前端障碍物的检测，通过AD端口与控制单元相连，但不限于此。作为优选，所述声音单元选取Risym ISD1820模块，用于产生声音提示，通过IO口与控制单元相连，但不限于此。作为优选，所述控制单元选取STC15W4k64S2芯片，实现对整体的主控作用，但不限于此。As shown in Figure 1, this kind of driving recorder for early warning of monitoring from surrounding vehicles includes a control unit, a WIFI unit, a display and key unit, a GPS unit, a vibration sensor unit, a storage unit, a measurement unit A distance unit, a sound unit, a camera unit; the WIFI unit, the display and button unit, the GPS unit, the vibration sensor unit, the storage unit, the ranging unit, the sound unit and the camera unit are all electrically connected to the control unit, and the camera unit is also connected to the storage unit. The units are electrically connected, and the arrows in the figure indicate the transmission direction of the control signal and the data signal. The ranging unit, vibration sensor unit, GPS unit, WIFI unit and camera unit are input units, providing input signals for the entire system; the data volume provided by the ranging unit, vibration sensor unit, WIFI unit and GPS unit is small and can be controlled The unit is directly acquired, so it is directly accepted by the control unit. The camera unit will collect a large amount of video information, so it is directly stored in the storage unit. The system outputs through the sound unit and the display unit, and transmits the information required by the driver. Preferably, the WIFI unit selects the SEP8266 WIFI transceiver module, which can realize the functions of WIFI signal detection, strength measurement, field extraction of WIFI name, etc., and is connected to the control unit through the serial port. Preferably, the display and key unit selects an eight-digit digital tube and keys controlled by the HD7279 chip, which can realize the scanning of the digital tube, the functions of key monitoring, and realize the output of system information. It is connected to the control unit through the IO port, but is not limited to this. Preferably, the GPS unit selects the NEO-6MGPS module, which can realize real-time acquisition and tracking of GPS signals, and automatically analyze the signals to obtain longitude, latitude and speed information, and connect to the control unit through a serial port, but is not limited to this. Preferably, the vibration sensor unit selects the SW-1801P module, which can detect the vibration of the vehicle, and is connected to the control unit through the AD port, but is not limited to this. Preferably, the storage unit selects the CH376SUSB module, which can read and write a USB flash drive through a serial port or an IO port, and if the response is stored, it is connected to the control unit through the serial port, but not limited to this. Preferably, the ranging unit uses the HY-SRF05 ultrasonic ranging module, which can detect obstacles at the front end of the vehicle, and is connected to the control unit through the AD port, but is not limited to this. Preferably, the sound unit selects a Risym ISD1820 module, which is used to generate a sound prompt, and is connected to the control unit through an IO port, but is not limited to this. Preferably, the control unit selects the STC15W4k64S2 chip to realize the overall master control function, but is not limited to this.
控制单元、WIFI单元、GPS单元、震动传感器单元和声音单元集中在印刷线路板上，通过印刷线路相连。由于需要进行交互，显示与按键单元、摄像头单元和测距单元设置在产品的表面，产品使用汽车中的12V电源进行供电。为了方便测距、GPS检测和拍照，在工作过程中，产品设置在驾驶员侧的前挡风玻璃处。The control unit, the WIFI unit, the GPS unit, the vibration sensor unit and the sound unit are concentrated on the printed circuit board and connected through the printed circuit. Due to the need for interaction, the display and button unit, camera unit and ranging unit are arranged on the surface of the product, and the product is powered by the 12V power supply in the car. In order to facilitate distance measurement, GPS detection and photography, the product is set at the front windshield on the driver's side during the working process.
如图2所示，本发明的创新点在于，本发明在传统的行车记录仪的基础上，加入了对来自周围车辆的监控进行预警的功能，本行车记录仪通过WIFI单元，配合数据库检测周围的拥有举报能力的行车记录仪，如果发现了在车辆周围存在响应的具有举报能力的行车记录仪，会提醒司机安全驾驶并且在显示屏幕中显示。具体的，系统在执行传统的行车记录仪的功能的同时，系统通过WIFI单元随时的扫描周围环境中的WIFI信号，能够发现周围20米内的具有举报违章行驶的行车记录仪的WIFI信号，并提醒司机注意遵守交通规则。具体整个流程如下：As shown in FIG. 2 , the innovation of the present invention is that the present invention adds the function of early warning for monitoring from surrounding vehicles on the basis of the traditional driving recorder. The driving recorder uses the WIFI unit to cooperate with the database to detect surrounding The driving recorder with reporting capability, if a responding driving recorder with reporting capability is found around the vehicle, it will remind the driver to drive safely and display it on the display screen. Specifically, while the system performs the function of the traditional driving recorder, the system scans the WIFI signal in the surrounding environment at any time through the WIFI unit, and can find the WIFI signal of the driving recorder within 20 meters that has reported illegal driving, and reminds Drivers pay attention to obeying traffic rules. The specific whole process is as follows:
步骤一：控制单元检测所有的硬件连接和工作状态是否正常，检测的顺序为：显示单元、声音单元、WIFI单元、GPS单元、震动传感器单元、存储单元、测距单元；除显示单元的连接出现错误外，其余单元的错误信息通过显示单元进行显示；Step 1: The control unit checks whether all hardware connections and working states are normal. The order of detection is: display unit, sound unit, WIFI unit, GPS unit, vibration sensor unit, storage unit, and ranging unit; except that the connection of the display unit appears In addition to errors, the error information of other units is displayed through the display unit;
步骤二：控制单元与测距单元进行通信，获取距离信息；Step 2: the control unit communicates with the ranging unit to obtain distance information;
步骤三：控制单元与震动传感器单元进行通信，获得路况信息；Step 3: the control unit communicates with the vibration sensor unit to obtain road condition information;
步骤四：控制单元与GPS单元进行通信，获得车辆的位置速度信息；Step 4: the control unit communicates with the GPS unit to obtain the position and speed information of the vehicle;
步骤五：根据上述距离、路况和位置速度信息综合判断是否有必要进行行驶记录，如果判断结果为是，进入行驶结果记录模式；如果结果为非，继续执行下一步骤；Step 5: Comprehensively judge whether it is necessary to record the driving according to the above distance, road conditions and position and speed information. If the judgment result is yes, enter the driving result recording mode; if the result is no, continue to the next step;
在行驶结果记录模式中，首先产生进入记录模式的提示音，后控制单元控制摄像头单元将采集的图像信息写入储存单元中；In the driving result recording mode, a prompt tone for entering the recording mode is first generated, and then the control unit controls the camera unit to write the collected image information into the storage unit;
步骤六：进入对来自周围车辆的监控进行预警的检测模式；Step 6: Enter the detection mode for early warning of monitoring from surrounding vehicles;
在预警监测模式中，步骤如下：In the early warning monitoring mode, the steps are as follows:
1、控制单元与WIFI单元通信，获得附近存在的WIFI热点的名称列表信息，并且将相应的热点信息保存在储存单元中；1. The control unit communicates with the WIFI unit, obtains the name list information of the nearby WIFI hotspots, and saves the corresponding hotspot information in the storage unit;
2、控制单元通过将获得的信息与预设定的常见监控热点进行比较，判断周围的热点是否是来自周围车辆的监控仪的热点；2. The control unit compares the acquired information with the preset common monitoring hotspots to determine whether the surrounding hotspots are the hotspots from the monitoring instruments of the surrounding vehicles;
3、如果发现了监控热点的存在，通过语音与显示提醒驾驶者；3. If the existence of monitoring hotspots is found, the driver will be reminded by voice and display;
步骤七：本次循环执行完毕，回到步骤二。Step 7: After this cycle is completed, go back to Step 2.
在判断检测到的热点是否为有监控功能的行车记录仪生成的热点时，通过比较字段的方法。市面上的行车记录仪生成的热点名称有规律可循，如“云智汇M7W-XXXX”，“AUTOBOTeye-XXXX”，“AUTOBOT-XXXX”其中XXXX为相应的个体编号。前面“云智汇M7W”，“AUTOBOT“等字段为公共字段，也就是说凡带有以上字段的WIFI可以被认定为监控功能的行车记录仪生成的热点，如下表1所示，只要保证产品的的数据库中储存了市面主流的行车记录仪的热点名称，就可以对边缘的热点进行有效的判断。When judging whether the detected hot spot is a hot spot generated by a driving recorder with a monitoring function, the method of comparing fields is used. The hotspot names generated by the dash cams on the market can be followed regularly, such as "Yunzhihui M7W-XXXX", "AUTOBOTeye-XXXX", "AUTOBOT-XXXX", where XXXX is the corresponding individual number. The front fields such as "Yunzhihui M7W" and "AUTOBOT" are public fields, which means that any WIFI with the above fields can be identified as the hotspot generated by the driving recorder with monitoring function, as shown in Table 1 below, as long as the product is guaranteed The hotspot names of the mainstream driving recorders in the market are stored in the database of , so that the hot spots on the edge can be effectively judged.
表1为市面上WIFI电子狗的字段特征：Table 1 shows the field characteristics of WIFI electronic dogs on the market:
为了提高判断的准确性，在判断时，需要满足一定得预设条件，如速度大于20km/h，GPS显示车辆正处于道路中行驶等。如果是，则需要对周围的车辆监控进行检测提醒，如果不是，则说明车辆不再正常行驶状态，不需要对周围的检测热点道路进行检测提醒。In order to improve the accuracy of the judgment, it is necessary to meet certain preset conditions when judging, such as the speed is greater than 20km/h, the GPS shows that the vehicle is driving on the road, etc. If it is, it is necessary to detect and remind the surrounding vehicle monitoring. If not, it means that the vehicle is no longer in a normal driving state, and there is no need to detect and remind the surrounding hot spots for detection.
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