CN210006204U - Early warning system for vehicle sideslip and rollover on bridge in crosswind environment - Google Patents

The utility model discloses a vehicle sideslips and early warning system that turns on one's side under the crosswind environment on bridge, including wind speed and direction detection device, road surface situation detection device and information processing and information output device, be provided with wind speed and direction sensor among the wind speed and direction detection device, be provided with among the road surface situation detection device and freeze and temperature and humidity sensor, information processing and information output device comprise third microcontroller and rather than the third zigBee communication module who is connected, third constant voltage power supply and LED display screen. The utility model discloses a vehicle sideslips and early warning system that turns on one's side calculates the vehicle and takes place the critical velocity that sideslips or turn on one's side according to vehicle stress state to remind the vehicle of passing a bridge to go in order to be less than the speed limit value, take place to sideslip, the phenomenon of turning on one's side when having avoided the vehicle to pass a bridge, reduced the emergence of bridge road traffic accident.

侧风环境下桥梁上车辆侧滑与侧翻预警系统Vehicle side slip and rollover warning system on bridge under crosswind environment

技术领域technical field

本实用新型涉及一种侧风环境下桥梁上车辆侧滑与侧翻预警系统，更具体的说，尤其涉及一种根据检测的风速、风向、桥梁路面状况实时调整限速的侧风环境下桥梁上车辆侧滑与侧翻预警系统。The utility model relates to a side-slip and rollover warning system for vehicles on a bridge in a cross-wind environment, in particular to a bridge in a cross-wind environment where the speed limit is adjusted in real time according to the detected wind speed, wind direction and bridge road conditions Vehicle side slip and rollover warning system.

背景技术Background technique

我国的公路总里程已经达到435.62万公里，其中高速公路总里程达到 104468公里。随着道路交通的发展，交通事故数量也在不断的攀升，其中高速公路事故数量所占比例最大；据公安部统计，近年来，交通安全问题逐渐成为世界上许多国家共同关心的社会问题，我国是世界上道路交通事故最多的国家之一。The total mileage of highways in my country has reached 4.3562 million kilometers, of which the total mileage of expressways has reached 104,468 kilometers. With the development of road traffic, the number of traffic accidents is also rising, among which the number of highway accidents accounts for the largest proportion; according to the statistics of the Ministry of Public Security, in recent years, traffic safety has gradually become a social issue of common concern to many countries in the world. It is one of the countries with the most road traffic accidents in the world.

国家安全监管总局、交通运输部2017年12月19日发布的最新研究报告显示，虽然近年来我国道路交通事故降幅明显，但依然高发。目前，我国道路交通事故年死亡人数仍高居世界第二位，遏制道路交通事故高发、降低交通事故伤害仍然任重道远。尽管近几年交通事故总数下降，然而随着全球气候极端气候的经常性发生，由于不良天气影响导致的交通事故却呈现了上升趋势。The latest research report released by the State Administration of Safety Supervision and the Ministry of Transport on December 19, 2017 shows that although my country's road traffic accidents have dropped significantly in recent years, they are still high. At present, the annual death toll of road traffic accidents in my country still ranks second in the world, and there is still a long way to go to curb the high incidence of road traffic accidents and reduce traffic accident injuries. Although the total number of traffic accidents has decreased in recent years, with the frequent occurrence of extreme climates around the world, traffic accidents caused by adverse weather have shown an upward trend.

2018年2月1日，公安部公布2017年度全国十大事故多发路段。这十大事故多发路段2017年共发生交通事故453起，造成152人死亡，平均每 10公里发生39起、死亡13人。造成事故多发的期中一个原因是山区道路，遇恶劣天气车辆制动容易侧滑，行车安全风险加大。货车装载体积大，受侧风影响严重，容易引发交通事故。On February 1, 2018, the Ministry of Public Security announced the top ten accident-prone road sections in 2017. In 2017, a total of 453 traffic accidents occurred in these top ten accident-prone sections, resulting in 152 deaths, with an average of 39 accidents and 13 deaths per 10 kilometers. One of the reasons for the frequent occurrence of accidents is the mountainous roads. In bad weather, the vehicle brakes easily and skids, which increases the risk of driving safety. The loading volume of the truck is large, and it is seriously affected by the crosswind, which is easy to cause traffic accidents.

随着我国高等级公路的发展、汽车功率的加大，目前不仅轿车，连货车以100km/h以上的车速行驶的情况也是很常见的。对于高速行驶的汽车，随时都可能受到侧风作用，除了在空旷的高速公路上受到任意方向任意强度的自然侧风外，到处可见的隧道、桥梁等复杂的地域地形都会产生人工阵风。驾驶员来受到这种突发的侧风影响时来不及反应，使车辆发生侧偏，横摆等现象。梁式桥是我国高等级公路上最常见的一种桥梁。风速由于受到桥梁的阻挡作用，风速改变剧烈，局部风速增强，易形成强烈侧风，影响行车安全。With the development of my country's high-grade highways and the increase of vehicle power, it is very common for not only cars but also trucks to drive at a speed of more than 100km/h. For high-speed vehicles, they may be affected by crosswinds at any time. In addition to natural crosswinds of any direction and intensity on open highways, complex terrain such as tunnels and bridges that can be seen everywhere will generate artificial gusts. When the driver is affected by this sudden crosswind, it is too late to react, causing the vehicle to yaw and yaw. Beam bridges are the most common type of bridges on high-grade highways in my country. Due to the blocking effect of the bridge, the wind speed changes drastically, and the local wind speed increases, which is easy to form a strong crosswind, which affects the driving safety.

因此研究多因素影响的侧风环境下桥梁上的行车安全和大风天气下进行交通安全预警就显得极为重要。Therefore, it is extremely important to study the driving safety on bridges under the crosswind environment influenced by multiple factors and to carry out traffic safety early warning in strong wind weather.

发明内容SUMMARY OF THE INVENTION

本实用新型为了克服上述技术问题的缺点，提供了一种侧风环境下桥梁上车辆侧滑与侧翻预警系统。In order to overcome the shortcomings of the above-mentioned technical problems, the utility model provides a side-slip and rollover warning system for vehicles on a bridge in a cross-wind environment.

本实用新型的侧风环境下桥梁上车辆侧滑与侧翻预警系统，其特征在于：包括风速风向检测装置、路面状况检测装置和信息处理及情报输出装置，所述风速风向检测装置由第一微控制器及与其相连接的风速风向传感器、第一稳压电源和第一ZigBee通信模块组成，第一微控制器经风速风向传感器检测桥梁所在位置的风速和风向，经第一ZigBee通信模块实现与信息处理及情报输出装置的无线通信；所述路面状况检测装置由第二微控制器及与其相连接的结冰及温湿度传感器、第二稳压电源和第二ZigBee通信模块组成，第二微控制器经结冰及温湿度传感器采集桥梁路面的结冰情况及周围环境的温湿度，经第二ZigBee通信模块实现与信息处理及情报输出装置的无线通信；The utility model is characterized in that the vehicle sideslip and rollover warning system on the bridge under the crosswind environment includes a wind speed and direction detection device, a road surface condition detection device and an information processing and information output device. The wind speed and direction detection device is composed of a first The microcontroller and the wind speed and direction sensor connected to it, the first stabilized power supply and the first ZigBee communication module are composed. Wireless communication with information processing and intelligence output devices; the road surface condition detection device is composed of a second microcontroller and an icing and temperature and humidity sensor connected to it, a second stabilized power supply and a second ZigBee communication module, the second The microcontroller collects the icing condition of the bridge road and the temperature and humidity of the surrounding environment through the icing and temperature and humidity sensors, and realizes wireless communication with the information processing and information output device through the second ZigBee communication module;

所述信息处理及情报输出装置由第三微控制器及与其相连接的第三 ZigBee通信模块、第三稳压电源和LED显示屏组成，第三微控制器经第三 ZigBee通信模块与风速方向检测装置、路面状况检测装置相通信，以获取桥梁处的风速、风向、结冰和温湿度信息，经LED显示屏将限速值以及是否易出现车辆侧滑、侧翻信息显示出来。The information processing and information output device is composed of a third microcontroller and a third ZigBee communication module connected with it, a third regulated power supply and an LED display screen. The third microcontroller is connected to the wind speed direction via the third ZigBee communication module. The detection device and the road condition detection device communicate with each other to obtain the wind speed, wind direction, icing and temperature and humidity information at the bridge, and display the speed limit value and whether the vehicle is prone to sideslip and rollover through the LED display.

本实用新型的侧风环境下桥梁上车辆侧滑与侧翻预警系统，所述风速风向传感器经第一TTL转RS485模块与第一微控制器相连接，结冰及温湿度传感器经第二TTL转RS485模块与第二微控制器相连接；所述LED显示屏连接有LED控制卡，第三微控制器经TTL转RS232模块与LED控制卡相连接。In the side-slip and rollover warning system of the vehicle on the bridge in the cross-wind environment of the present invention, the wind speed and direction sensor is connected with the first microcontroller through the first TTL to RS485 module, and the icing and temperature and humidity sensors are connected through the second TTL The RS485 conversion module is connected with the second microcontroller; the LED display screen is connected with the LED control card, and the third microcontroller is connected with the LED control card through the TTL conversion RS232 module.

本实用新型的侧风环境下桥梁上车辆侧滑与侧翻预警系统，所述第一微控制器、第二微控制器和第三微控制器均采用单片机。In the side-slip and rollover warning system of the vehicle on the bridge under the crosswind environment of the utility model, the first microcontroller, the second microcontroller and the third microcontroller all use single-chip microcomputers.

本实用新型的有益效果是：本实用新型的车辆侧滑与侧翻预警系统，风速风向检测装置用于采集桥梁所在区域的风速和方向数据，路面状况检测装置用于检测桥梁路面的结冰状况和潮湿度，以获取桥梁路面当前的摩擦系数；信息处理及情报输出装置通过与风速风向检测装置、路面状况检测装置的通信，来获取桥梁路面当前的风速、风向、路面摩擦系数，并根据车辆受力状态计算出车辆发生侧滑或侧翻的临界速度，并以临界速度为参考将限速值经显示屏显示出来，以提醒过桥车辆以低于限速值行驶，避免了车辆过桥时发生侧滑、侧翻现象，降低了桥梁道路交通事故的发生，保证了人们的生命财产安全，有益效果显著，适于应用推广。The beneficial effects of the utility model are: the vehicle side slip and rollover warning system of the utility model, the wind speed and direction detection device is used to collect the wind speed and direction data of the area where the bridge is located, and the road surface condition detection device is used to detect the icing condition of the bridge road surface and humidity to obtain the current friction coefficient of the bridge pavement; the information processing and information output device obtains the current wind speed, wind direction and road friction coefficient of the bridge pavement through communication with the wind speed and direction detection device and the road surface condition detection device, and according to the vehicle The stress state calculates the critical speed at which the vehicle slips or rolls over, and uses the critical speed as a reference to display the speed limit value on the display to remind vehicles crossing the bridge to drive below the speed limit value to avoid vehicles crossing the bridge. When the phenomenon of side slip and rollover occurs, the occurrence of bridge road traffic accidents is reduced, the safety of people's life and property is guaranteed, and the beneficial effect is remarkable, which is suitable for application and promotion.

附图说明Description of drawings

图1为本实用新型中风速风向检测装置的原理图；1 is a schematic diagram of a wind speed and direction detection device in the utility model;

图2为本实用新型中路面状况检测装置的原理图；Fig. 2 is the principle diagram of the road surface condition detection device in the utility model;

图3为本实用新型中信息处理及情报输出装置的原理图；3 is a schematic diagram of an information processing and information output device in the utility model;

图4为本实用新型的侧风环境下桥梁上车辆侧滑与侧翻预警系统的原理图。FIG. 4 is a schematic diagram of the vehicle sideslip and rollover warning system on the bridge under the crosswind environment of the present invention.

图中：1风速风向检测装置，2路面状况检测装置，3信息处理及情报输出装置，4第一微控制器，5风速风向传感器，6第一TTL转RS485模块， 7第一稳压电源，8第一ZigBee通信模块，9第二微控制器，10结冰及温湿度传感器，11第二TTL转RS485模块，12第二稳压电源，13第二ZigBee 通信模块，14第三微控制器，15第三ZigBee通信模块，16第三稳压电源，17TTL转RS232模块，18LED控制卡，19LED显示屏。In the figure: 1 wind speed and direction detection device, 2 road condition detection device, 3 information processing and information output device, 4 first microcontroller, 5 wind speed and direction sensor, 6 first TTL to RS485 module, 7 first regulated power supply, 8 first ZigBee communication module, 9 second microcontroller, 10 icing and temperature and humidity sensor, 11 second TTL to RS485 module, 12 second regulated power supply, 13 second ZigBee communication module, 14 third microcontroller , 15 third ZigBee communication module, 16 third regulated power supply, 17TTL to RS232 module, 18LED control card, 19LED display.

具体实施方式Detailed ways

下面结合附图与实施例对本实用新型作进一步说明。The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

如图1所示，给出了本实用新型中风速风向检测装置的原理图，其由第一微控制器4及与其相连接的风速风向传感器5、第一稳压电源7和第一 ZigBee通信模块8组成，第一微控制器4具有采集、运算和控制输出的作用，风速风向传感器5经第一TTL转RS485模块6与第一微控制器4相连接，第一稳压电源模块7为风速风向检测装置1中各用电模块和用电电路的工作提供稳定的直流电。第一微控制器4经风速风向传感器5检测桥梁所在环境的风速和风向，经第一ZigBee通信模块8与信息处理及情报输出装置3无线通信，以便将所采集的风速、风向数据发送至信息处理及情报输出装置3中。As shown in Figure 1, the schematic diagram of the wind speed and direction detection device in the present invention is given, which is communicated by the first microcontroller 4 and the wind speed and direction sensor 5, the first stabilized power supply 7 and the first ZigBee connected to it. The first microcontroller 4 is composed of modules 8, the first microcontroller 4 has the functions of collecting, calculating and controlling output, the wind speed and direction sensor 5 is connected with the first microcontroller 4 through the first TTL to RS485 module 6, and the first regulated power supply module 7 is The operation of each power consumption module and power consumption circuit in the wind speed and direction detection device 1 provides stable DC power. The first microcontroller 4 detects the wind speed and wind direction of the environment where the bridge is located through the wind speed and direction sensor 5, and communicates wirelessly with the information processing and information output device 3 through the first ZigBee communication module 8, so as to send the collected wind speed and wind direction data to the information. In the processing and information output device 3.

如图2所示，给出了本实用新型中路面状况检测装置2的原理图，其由第二微控制器9及与其相连接的结冰及温湿度传感器10、第二稳压模块12和第二ZigBee通信模块13组成，第二微控制器9具有信号采集、数据运算和控制输出的作用，结冰及温湿度传感器10经第二TTL转RS485模块 11与第二微控制器9相连接。第二微控制器9经结冰及温湿度传感器10获取桥梁路面的结冰情况和温湿度信息，以判断桥梁是否结冰或桥梁路面是否潮湿。第二微控制器9经第二ZigBee通信模块13与信息处理及情报输出装置3相通信，以便将获取的桥梁路面结冰情况或潮湿度数据传输至信息处理及情报输出装置3中。As shown in FIG. 2, a schematic diagram of the road surface condition detection device 2 in the present invention is given, which consists of a second microcontroller 9, an icing and temperature and humidity sensor 10 connected to it, a second voltage stabilization module 12 and The second ZigBee communication module 13 is composed, the second microcontroller 9 has the functions of signal acquisition, data operation and control output, and the icing and temperature and humidity sensor 10 is connected with the second microcontroller 9 through the second TTL to RS485 module 11 . The second microcontroller 9 obtains the icing condition and temperature and humidity information of the bridge road surface through the icing and temperature and humidity sensor 10 to judge whether the bridge is icy or the bridge road surface is wet. The second microcontroller 9 communicates with the information processing and information output device 3 via the second ZigBee communication module 13 , so as to transmit the acquired bridge road icing condition or humidity data to the information processing and information output device 3 .

如图3所示，给出了本实用新型中信息处理及情报输出装置3的结构示意图，其由第三微控制器14及与其相连接的第三ZigBee通信模块15、第三稳压电源16和LED显示屏19组成，第三微控制器14具有信号采集、数据运算和控制输出的作用，第三稳压电源16给信息处理及情报输出装置 3中各模块和用电电路提供稳定电压，以保证其正常工作。第三微控制器 14经第三ZigBee通信模块15与风速风向检测装置1和路面状况检测装置 2相通信，以获取桥梁所在环境的风速、风向和路面状况(是否为结冰路面或潮湿路面)信息。LED显示屏19连接有LED控制卡18，LED控制卡18对 LED显示屏19限制状态和所显示的信息进行控制，第三微控制器14经TTL 转RS232模块17与LED控制卡18相连接，以实现第三微控制器14与LED 控制卡18之间的通信，将所要显示的信息经LED显示屏19显示出来。As shown in FIG. 3 , a schematic structural diagram of the information processing and information output device 3 in the present invention is given, which consists of a third microcontroller 14 and a third ZigBee communication module 15 and a third regulated power supply 16 connected to it. It is composed of the LED display screen 19, the third microcontroller 14 has the functions of signal acquisition, data operation and control output, and the third regulated power supply 16 provides stable voltage to each module and power circuit in the information processing and information output device 3, to ensure its normal operation. The third microcontroller 14 communicates with the wind speed and direction detection device 1 and the road surface condition detection device 2 via the third ZigBee communication module 15 to obtain the wind speed, wind direction and road condition (whether it is an icy road or a wet road) of the environment where the bridge is located. information. The LED display screen 19 is connected with the LED control card 18. The LED control card 18 controls the restricted state and the displayed information of the LED display screen 19. The third microcontroller 14 is connected to the LED control card 18 via the TTL to RS232 module 17. In order to realize the communication between the third microcontroller 14 and the LED control card 18 , the information to be displayed is displayed through the LED display screen 19 .

如图4所示，给出了本实用新型的侧风环境下桥梁上车辆侧滑与侧翻预警系统的原理图，可见，所示的风速风向检测装置1和路面状况检测装置2均通过ZigBee无线通信的形式与信息处理及情报输出装置3相通信，以便将所采集的风速、风向、桥梁路面是否结冰或桥梁路面潮湿度信息，上传至信息处理及情报输出装置3中，信息处理及情报输出装置3根据所获取的风速、风向、桥梁路面状况，以及桥梁自身的参数(桥梁横坡度、曲线半径)，并结合具体车辆的受力分析，可计算出当前状况下车辆过桥时不发生侧滑和侧翻的临界车速，并以此车速为限速依据，通过LED显示屏 19显示出来，可有效避免过桥车辆侧滑、侧翻现象的发生。As shown in FIG. 4 , the schematic diagram of the vehicle sideslip and rollover warning system on the bridge under the crosswind environment of the present invention is given. It can be seen that the wind speed and direction detection device 1 and the road surface condition detection device 2 both pass the ZigBee The form of wireless communication communicates with the information processing and information output device 3, so as to upload the collected wind speed, wind direction, whether the bridge road is icy or the bridge road wetness information to the information processing and information output device 3. According to the obtained wind speed, wind direction, bridge road conditions, and the parameters of the bridge itself (bridge cross slope, curve radius), and combined with the force analysis of the specific vehicle, the information output device 3 can calculate whether the vehicle will cross the bridge under the current situation. The critical vehicle speed at which sideslip and rollover occur, and the vehicle speed is used as the speed limit basis, and displayed on the LED display screen 19, which can effectively avoid the occurrence of sideslip and rollover of vehicles crossing the bridge.

1. The early warning system for vehicle sideslip and rollover on a bridge under the crosswind environment is characterized by comprising a wind speed and direction detection device (1), a road surface condition detection device (2) and an information processing and information output device (3), wherein the wind speed and direction detection device consists of a microcontroller (4), a wind speed and direction sensor (5) connected with the microcontroller, a stabilized power supply (7) and a ZigBee communication module (8), the microcontroller detects the wind speed and the wind direction at the position of the bridge through the wind speed and direction sensor and realizes wireless communication with the information processing and information output device through a ZigBee communication module, the road surface condition detection device consists of a second microcontroller (9), an icing and temperature and humidity sensor (10) connected with the microcontroller, a second stabilized power supply (12) and a second ZigBee communication module (13), and the second microcontroller acquires the icing condition of the bridge road surface and the information of the surrounding environment through the icing and the temperature and humidity sensor and realizes wireless communication with the information processing and temperature and humidity output device through the second ZigBee communication module;

   the information processing and information output device (3) is composed of a third microcontroller (14) and a third ZigBee communication module (15), a third stabilized voltage power supply (16) and an LED display screen (19) which are connected with the third microcontroller, the third microcontroller is communicated with the wind speed direction detection device and the road surface condition detection device through the third ZigBee communication module to acquire wind speed, wind direction, icing and temperature and humidity information of a bridge, and the speed limit value and whether the vehicle is easy to sideslip or turn over are displayed through the LED display screen.

2. 2. The system for pre-warning of sideslip and rollover of vehicles on bridges under crosswind environment according to claim 1, characterized in that the anemorumbome sensor (5) is connected with the microcontroller (4) through an TTL to RS485 module (6), the icing and humiture sensor (10) is connected with the second microcontroller (9) through a second TTL to RS485 module (11), the LED display screen (19) is connected with an LED control card (18), and the third microcontroller (14) is connected with the LED control card through a TTL to RS232 module (17).

3. 3. The system for warning the sideslip and the rollover of the vehicle on the bridge under the crosswind environment according to claim 1 or 2 is characterized in that the microcontroller (4), the second microcontroller (9) and the third microcontroller (14) are all single-chip microcomputers.