技术领域technical field
本实用新型属于汽车技术领域，涉及一种车辆涉水警示及保护系统。The utility model belongs to the technical field of automobiles and relates to a vehicle wading warning and protection system.
背景技术Background technique
随着汽车产业的高速发展，汽车给人们提供更加方便和快捷的生活享受，更多的电子辅助系统让您的驾乘体验更轻松，同时发生交通事故数量也大幅上升。其中，汽车涉水、掉入江河或受洪水淹没等汽车水浸案件也逐渐增多，如每年夏季台风来临的时候，强风暴雨便伴随而来，由于城市排涝系统存在严重不足，大片的道路和城市低洼处被雨水淹没，许多来不及挪至高处的车辆便泡了汤，损失惨重。With the rapid development of the automobile industry, automobiles provide people with more convenient and faster life enjoyment, more electronic assistance systems make your driving experience easier, and the number of traffic accidents has also increased significantly. Among them, car flooding cases such as wading, falling into rivers or being submerged in floods are gradually increasing. For example, when typhoons come every summer, strong storms and rains follow. Due to the serious shortage of urban drainage systems, large areas of roads and cities The low-lying areas were flooded by rain, and many vehicles that had not had time to move to the higher ground were soaked and suffered heavy losses.
另一方面一些行驶在涉水路面的驾驶员无法判断自己的车辆是否能够安全通过涉水路段，判断错误的驾驶员便进入了更深的涉水区，此时水位漫到了车辆发动机等重要零件，导致至发动机严重进水而抛锚，损失惨重。On the other hand, some drivers driving on wading roads cannot judge whether their vehicles can safely pass through the wading section. Drivers who judge wrongly enter deeper wading areas. At this time, the water level overflows to important parts such as the vehicle engine. As a result, the engine was seriously flooded and broke down, causing heavy losses.
针对上述存在的问题，现有的中国专利文献公开了一种车辆涉水安全保护装置【申请号：CN201310585127.X】，包括用于检测车辆涉水时水位信息的水位传感器、用于接收水位传感器输送的水位信息并根据该水位信息输出相应的控制信号的控制电路、用于根据控制电路输送的控制信号提醒车内人员目前水位信息的水位显示器、用于根据控制电路输送的控制信号控制车辆自动制动的制动机构和用于根据控制电路输送的控制信号控制发动机自动熄火的发动机ECU，水位传感器与控制电路的输入端连接，水位显示器、制动机构和发动机ECU分别与控制电路的输出端连接。该保护装置虽然能实时了解车辆涉水时水深的变化，还可以在汽车发动机涉水前提前完成制动和自动熄火，但是该保护装置主要应用于车辆行驶状态，若车辆处于停车状态，该保护装置将无法发挥作用，保护发动机不受损害的安全性还不够高。In view of the above existing problems, the existing Chinese patent literature discloses a vehicle wading safety protection device [application number: CN201310585127.X], which includes a water level sensor for detecting water level information when the vehicle is wading, and a water level sensor for receiving The control circuit that sends the water level information and outputs the corresponding control signal according to the water level information, the water level display that reminds the occupants of the current water level information according to the control signal sent by the control circuit, and controls the vehicle to automatically control the vehicle according to the control signal sent by the control circuit. The braking mechanism of the brake and the engine ECU used to control the automatic shutdown of the engine according to the control signal sent by the control circuit. connect. Although the protection device can understand the change of the water depth when the vehicle is wading in real time, it can also complete the braking and automatic flameout in advance before the car engine wading, but the protection device is mainly used in the driving state of the vehicle. If the vehicle is in the parking state, the protection The device will not function, and the safety to protect the engine from damage is not high enough.
发明内容Contents of the invention
本实用新型的目的是针对现有的技术存在上述问题，提出了一种车辆涉水警示及保护系统，该车辆涉水警示及保护系统所要解决的技术问题是：如何在车辆涉水时有效提示驾驶员水深，或在发动机进水时禁止车辆再启动，从而有效保护发动机和全车电器不受损坏。The purpose of this utility model is to solve the above-mentioned problems in the existing technology, and propose a vehicle wading warning and protection system. The technical problem to be solved by the vehicle wading warning and protection system is: how to effectively prompt when the vehicle is wading If the driver is in deep water, or when the engine is flooded, the vehicle is prohibited from restarting, thereby effectively protecting the engine and all electrical appliances of the vehicle from damage.
本实用新型的目的可通过下列技术方案来实现：一种车辆涉水警示及保护系统，其特征在于，所述车辆涉水警示及保护系统包括低水位涉水传感器、高水位涉水传感器、车身控制模块、用于显示车辆涉水信息的显示模块以及用于在高水位涉水传感器采集到涉水信号时控制发动机自动熄火和/或限制发动机再启动的发动机电控模块，所述高水位涉水传感器设置在车身上的位置高于低水位涉水传感器；所述车身控制模块的信号输入端与低水位涉水传感器连接，所述车身控制模块的信号输出端与显示模块连接，所述发动机电控模块的信号输入端与高水位涉水传感器连接。The purpose of this utility model can be achieved through the following technical solutions: a vehicle wading warning and protection system, characterized in that the vehicle wading warning and protection system includes a low water level wading sensor, a high water level wading sensor, a vehicle body A control module, a display module for displaying vehicle wading information, and an engine electronic control module for controlling automatic shutdown of the engine and/or restricting engine restart when the high water level wading sensor collects a wading signal. The water sensor is arranged on the vehicle body at a position higher than the low water level wading sensor; the signal input end of the vehicle body control module is connected with the low water level wading sensor, the signal output end of the vehicle body control module is connected with the display module, and the engine The signal input end of the electronic control module is connected with the high water level wading sensor.
本车辆涉水警示及保护系统利用两个车辆涉水传感器适时采集车辆涉水情况，当车辆涉水达到低水位涉水传感器时，低水位涉水传感器将信号传递给车身控制模块，车身控制模块接收到低水位涉水传感器输送的信号后发送控制指令给显示模块，通过显示模块警示驾驶员车辆目前的涉水深度，如可以在显示模块上显示“车辆涉水过深，及时离开涉水路段”的提醒；当涉水深度达到高水位涉水传感器时，高水位涉水传感器将信号发送至发动机电控模块，发动机电控模块在接收到高水位涉水传感器输送的信号后控制发动机自动熄火，并设置限制发动机再启动的控制指令，避免车辆发动机进水后再次启动发动机造成发动机和全车电器的损坏，最大程度保护发动机不受损坏；在本系统中通过车身控制模块和发动机电控模块对各自传感器采集的信号进行处理并发出控制信号，这样的设置可有效简化车身控制模块和发动机电控模块的内部结构，在车辆涉水时，可立即传达控制信号，避免车辆发动机进水后再启动，从而造成发动机和全车电器的损坏。The vehicle wading warning and protection system uses two vehicle wading sensors to timely collect the vehicle wading situation. When the vehicle wading reaches the low water level wading sensor, the low water level wading sensor transmits the signal to the body control module, and the body control module After receiving the signal sent by the low water level wading sensor, send a control command to the display module, and warn the driver of the current wading depth of the vehicle through the display module. "Reminder; when the wading depth reaches the high water level wading sensor, the high water level wading sensor sends a signal to the engine electronic control module, and the engine electronic control module controls the engine to automatically turn off after receiving the signal sent by the high water level wading sensor , and set the control command to limit the restart of the engine to avoid damage to the engine and the entire vehicle electrical appliances caused by restarting the engine after the vehicle engine is flooded, and to protect the engine from damage to the greatest extent; in this system, through the body control module and the engine electronic control module Process the signals collected by the respective sensors and send out control signals. This setting can effectively simplify the internal structure of the body control module and the engine electronic control module. start, causing damage to the engine and the electrical appliances of the entire vehicle.
在上述的车辆涉水警示及保护系统中，所述车辆涉水警示及保护系统还包括用于在车辆发动机涉水时使发动机无法强制启动的启动继电器，所述启动继电器的控制端与发动机电控模块的信号输出端连接。通过启动继电器控制发动机再启动，可在驾驶员不清楚车辆发动机是否进水的情况，避免发动机再次启动，从而最大程度保护发动机。In the above-mentioned vehicle wading warning and protection system, the vehicle wading warning and protection system also includes a starting relay used to prevent the engine from being forcibly started when the vehicle engine is wading, and the control terminal of the starting relay is connected to the engine circuit. Connect to the signal output terminal of the control module. The restart of the engine is controlled by the start relay, which can prevent the engine from restarting when the driver does not know whether the vehicle engine is flooded, thereby protecting the engine to the greatest extent.
在上述的车辆涉水警示及保护系统中，所述显示模块为液晶显示屏。In the above vehicle wading warning and protection system, the display module is a liquid crystal display.
在上述的车辆涉水警示及保护系统中，所述车辆涉水警示及保护系统还包括用于判断车辆运行状态的发动机转速传感器，所述发动机转速传感器与发动机电控模块的信号输入端连接。In the above-mentioned vehicle wading warning and protection system, the vehicle wading warning and protection system further includes an engine speed sensor for judging the running state of the vehicle, and the engine speed sensor is connected to the signal input terminal of the engine electronic control module.
增加发动机转速传感器可以根据车辆的运行状态进行区别控制，发动机电控模块在接收到高水位涉水传感器输送的涉水信息时判断车辆运行状态，在发动机转速传感器输送的信号为发动机正在运转的信息时发出控制信号控制发动机自动熄火，在高水位涉水传感器输送的涉水信息为发动机进水时在发出控制信号控制发动机自动熄火的同时，发出控制信号给启动继电器，控制启动继电器断开从而使发动机无法再次启动；在发动机转速传感器输送的信号为发动机熄火信息时直接发出控制信号给启动继电器，控制启动继电器断开从而使发动机无法再次启动，避免驾驶员在不知道车辆进水的情况下，强制启动发动机的情况。The engine speed sensor can be added to perform differential control according to the running state of the vehicle. The engine electronic control module judges the running state of the vehicle when it receives the wading information sent by the high water level wading sensor. The signal sent by the engine speed sensor is the information that the engine is running. When the high water level wading sensor sends a control signal to control the automatic flameout of the engine, the wading information sent by the high water level wading sensor is that when the engine is flooded, the control signal is sent to control the engine to automatically flame out, and at the same time, a control signal is sent to the start relay, which controls the start relay to be disconnected so that The engine cannot be started again; when the signal sent by the engine speed sensor is the engine flameout information, a control signal is directly sent to the start relay, and the start relay is controlled to be disconnected so that the engine cannot be started again, preventing the driver from knowing that the vehicle is flooded. The case where the engine is forced to start.
在上述的车辆涉水警示及保护系统中，所述车辆涉水警示及保护系统还包括用于发出蜂鸣警报声的蜂鸣器，所述蜂鸣器与车身控制模块的信号输出端连接。通过蜂鸣器进行声音警报，可以节省驾驶员查看信息的时间，提高车辆涉水的安全性。In the above-mentioned vehicle wading warning and protection system, the vehicle wading warning and protection system further includes a buzzer for sounding a buzzer alarm, and the buzzer is connected to the signal output terminal of the vehicle body control module. The sound alarm through the buzzer can save the time for the driver to check the information and improve the safety of the vehicle wading.
在上述的车辆涉水警示及保护系统中，所述低水位涉水传感器安装在发动机底部，所述高水位涉水传感器安装在发动机缸体中部。低水位涉水传感器与高水位涉水传感器的这一安装位置，可有效避免雨水等情况所引起的误判断，提高涉水信息采集的准确性。In the above vehicle wading warning and protection system, the low water level wading sensor is installed at the bottom of the engine, and the high water level wading sensor is installed at the middle of the engine block. The installation position of the low water level wading sensor and the high water level wading sensor can effectively avoid misjudgment caused by rainwater and other conditions, and improve the accuracy of wading information collection.
在上述的车辆涉水警示及保护系统中，所述低水位涉水传感器采用电阻探头。In the above vehicle wading warning and protection system, the low water level wading sensor adopts a resistance probe.
在上述的车辆涉水警示及保护系统中，所述车辆涉水警示及保护系统还包括CAN通信总线，所述车身控制模块、低水位涉水传感器、高水位涉水传感器、发动机电控模块、蜂鸣器、启动继电器、发动机转速传感器和显示模块均与CAN通信总线连接。应用CAN通信总线可以减少车身布线，进一步节省了成本；布线局部化，车上除掉总线外其他所有横贯车身的线都不再需要了，节省了布线成本；另外，CAN通信总线的数据稳定可靠，线间干扰小、抗干扰能力强。In the above-mentioned vehicle wading warning and protection system, the vehicle wading warning and protection system further includes a CAN communication bus, the vehicle body control module, the low water level wading sensor, the high water level wading sensor, the engine electronic control module, Buzzer, start relay, engine speed sensor and display module are all connected with CAN communication bus. The application of CAN communication bus can reduce the wiring of the vehicle body and further save costs; the wiring is localized, and all other lines crossing the vehicle body except the bus are no longer needed, which saves wiring costs; in addition, the data of the CAN communication bus is stable and reliable , Small interference between lines, strong anti-interference ability.
在上述的车辆涉水警示及保护系统中，所述车辆涉水警示及保护系统还包括用于在判断车辆处于熄火状态时发送车辆涉水信息给移动终端的GPS通信设备，所述GPS通信设备与CAN通信总线连接。设置GPS通信设备，可在驾驶员不在车内的情况下也能了解到车辆的涉水情况，并及早做出相应的保护措施。In the above-mentioned vehicle wading warning and protection system, the vehicle wading warning and protection system further includes a GPS communication device for sending vehicle wading information to a mobile terminal when it is judged that the vehicle is in a flame-off state, and the GPS communication device Connect with CAN communication bus. By setting up GPS communication equipment, it is possible to understand the wading situation of the vehicle even when the driver is not in the vehicle, and to take corresponding protective measures as early as possible.
与现有技术相比，本车辆涉水警示及保护系统具有以下优点：Compared with the prior art, the vehicle wading warning and protection system has the following advantages:
1、本实用新型可以在车辆涉水达到一定程度时，警示驾驶员立即离开涉水区域，避免车辆进一步淹水导致发动机进水抛锚从而造成更大的损失，同时在发动机已经轻微进水的情况下自动停止发动机运转和禁止车辆再启动，避免车辆进水后强制启动从而导致发动机拉缸报废的情况。1. The utility model can warn the driver to leave the wading area immediately when the vehicle is wading to a certain extent, so as to avoid further flooding of the vehicle and cause the engine to break down due to water ingress, thereby causing greater losses. Automatically stop the engine from running and prohibit the vehicle from restarting, so as to avoid the forced start of the vehicle after being flooded, which will cause the engine to scrape and be scrapped.
2、本实用新型可以基于现有的车辆电路通信系统和显示模块，通过增加两个车辆涉水传感器来实现车辆涉水警示及保护，进行了功能扩展，但是成本增加较少。2. The utility model can be based on the existing vehicle circuit communication system and display module, by adding two vehicle wading sensors to realize vehicle wading warning and protection, and expand the function, but the cost increase is less.
附图说明Description of drawings
图1是本实用新型的结构示意图。Fig. 1 is a structural representation of the utility model.
图中，1、车身控制模块；2、低水位涉水传感器；3、高水位涉水传感器；4、发动机电控模块；5、显示模块；6、蜂鸣器；7、CAN通信总线；8、发动机转速传感器；9、启动继电器；10、GPS通信设备。In the figure, 1. Body control module; 2. Low water level wading sensor; 3. High water level wading sensor; 4. Engine electronic control module; 5. Display module; 6. Buzzer; 7. CAN communication bus; 8 , Engine speed sensor; 9, Start relay; 10, GPS communication equipment.
具体实施方式detailed description
以下是本实用新型的具体实施例并结合附图，对本实用新型的技术方案作进一步的描述，但本实用新型并不限于这些实施例。The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.
如图1所示，本车辆涉水警示及保护系统包括车身控制模块1和发动机电控模块4，车身控制模块1的信号输入端连接有低水位涉水传感器2，车身控制模块1的信号输出端连接有显示模块5，车身控制模块1用于在低水位涉水传感器2采集到涉水信号时发送控制指令给显示模块5，通过显示模块5对涉水深度进行警示；发动机电控模块4的信号输入端连接有高水位涉水传感器3，发动机电控模块4用于在高水位涉水传感器3采集到涉水信号时控制发动机自动熄火和/或限制发动机再启动；高水位涉水传感器3设置在车身上的位置高于低水位涉水传感器2；As shown in Figure 1, the vehicle wading warning and protection system includes a body control module 1 and an engine electronic control module 4, the signal input end of the body control module 1 is connected with a low water level wading sensor 2, and the signal output of the body control module 1 The terminal is connected with a display module 5, and the vehicle body control module 1 is used to send a control command to the display module 5 when the low water level wading sensor 2 collects a wading signal, and to warn the wading depth through the display module 5; the engine electronic control module 4 The high water level wading sensor 3 is connected to the signal input end of the high water level wading sensor 3, and the engine electronic control module 4 is used to control the automatic shutdown of the engine and/or limit the restart of the engine when the high water level wading sensor 3 collects the wading signal; the high water level wading sensor 3. The position set on the vehicle body is higher than the low water level wading sensor 2;
具体来说，Specifically,
作为优选，车辆涉水警示及保护系统还包括用于在车辆发动机涉水时使发动机无法强制启动的启动继电器9，启动继电器9的控制端与发动机电控模块4的信号输出端连接，启动继电器9的开关端与车辆的点火系统连接。通过启动继电器9控制发动机再启动，可在驾驶员不清楚车辆发动机是否进水的情况，避免发动机再次启动，从而最大程度保护发动机。As preferably, the vehicle wading warning and protection system also includes a starting relay 9 for making the engine unable to be forced to start when the vehicle engine is wading, the control end of the starting relay 9 is connected to the signal output end of the engine electronic control module 4, and the starting relay The switch end of 9 is connected with the ignition system of vehicle. By controlling the restart of the engine through the start relay 9, it is possible to prevent the engine from starting again when the driver does not know whether the vehicle engine is flooded, thereby protecting the engine to the greatest extent.
作为优选，显示模块5为液晶显示屏，液晶显示屏包括用于显示车辆涉水提醒信息的区域一和用于提示车辆涉水深度大小的区域二，其中区域一可显示如“车辆涉水过深，及时离开涉水路段”的提示语，区域二包括若干个排列成一列的显示格，每个显示格下方分别设置有LED指示灯，车身控制模块1和发动机电控模块4的信号输出端根据涉水深度的不同与相应的LED指示灯连接，如下方的LED指示灯与车身控制模块1连接，上方的LED指示灯与发动机电控模块4连接。作为优选，LED指示灯由绿、黄、红三种颜色的LED指示灯组成，其从低到高的排列顺序为绿色LED指示灯、黄色LED指示灯和红色LED指示灯，其中绿色LED指示灯和黄色LED指示灯与车身控制模块1连接，红色LED指示灯与发动机电控模块4连接；液晶显示屏设置在驾驶室内。通过LED指示灯对车辆涉水深度进行指示，可直观了解车辆当前的涉水深度，便于驾驶员了解当前车辆的涉水情况。As preferably, the display module 5 is a liquid crystal display screen, and the liquid crystal display screen includes an area 1 for displaying vehicle wading warning information and an area 2 for prompting the vehicle wading depth, wherein area 1 can display such as "vehicle wading through water." deep, leave the wading section in time", area 2 includes a number of display grids arranged in a row, each display grid is respectively provided with LED indicators, the signal output terminals of the body control module 1 and the engine electronic control module 4 According to the difference of the wading depth, it is connected with the corresponding LED indicator light, for example, the lower LED indicator light is connected with the body control module 1, and the upper LED indicator light is connected with the engine electronic control module 4. Preferably, the LED indicator light is composed of three colors of green, yellow and red LED indicator lights, and its arrangement order from low to high is green LED indicator light, yellow LED indicator light and red LED indicator light, wherein the green LED indicator light The yellow LED indicator light is connected with the body control module 1, and the red LED indicator light is connected with the engine electronic control module 4; the liquid crystal display is arranged in the cab. The wading depth of the vehicle is indicated by the LED indicator light, and the current wading depth of the vehicle can be intuitively understood, which is convenient for the driver to understand the current wading situation of the vehicle.
作为优选，车辆涉水警示及保护系统还包括用于判断车辆运行状态的发动机转速传感器8，发动机转速传感器8与发动机电控模块4的信号输入端连接，发动机电控模块4根据发动机转速传感器8输送的信号对车辆涉水情况做出相应地控制。增加发动机转速传感器8可以根据车辆的运行状态进行区别控制，发动机电控模块4在接收到高水位涉水传感器3输送的涉水信息时判断车辆运行状态，在发动机转速传感器8输送的信号为发动机正在运转的信息时发出控制信号控制发动机自动熄火，在高水位涉水传感器3输送的涉水信息为发动机进水时在发出控制信号控制发动机自动熄火的同时，发出控制信号给启动继电器9，控制启动继电器9断开从而使发动机无法再次启动；在发动机转速传感器8输送的信号为发动机熄火信息时直接发出控制信号给启动继电器9，控制启动继电器9断开从而使发动机无法再次启动，避免驾驶员在不知道车辆进水的情况下，强制启动发动机的情况。Preferably, the vehicle wading warning and protection system also includes an engine speed sensor 8 for judging the running state of the vehicle, the engine speed sensor 8 is connected to the signal input end of the engine electronic control module 4, and the engine electronic control module 4 The transmitted signal controls the vehicle wading situation accordingly. Adding the engine speed sensor 8 can carry out differential control according to the running state of the vehicle. The engine electronic control module 4 judges the running state of the vehicle when receiving the wading information sent by the high water level wading sensor 3. The signal sent by the engine speed sensor 8 is the engine Send a control signal to control the automatic flameout of the engine when the information is running. When the wading information sent by the high water level wading sensor 3 is that the engine is flooded, send a control signal to control the automatic flameout of the engine. At the same time, send a control signal to the start relay 9 to control The starting relay 9 is disconnected so that the engine cannot be started again; when the signal sent by the engine speed sensor 8 is the engine flameout information, a control signal is directly sent to the starting relay 9 to control the disconnection of the starting relay 9 so that the engine cannot be started again, preventing the driver from When the engine is forced to start without knowing that the vehicle has been flooded.
作为优选，车辆涉水警示及保护系统还包括用于发出蜂鸣警报声的蜂鸣器6，蜂鸣器6与车身控制模块1的信号输出端连接。通过蜂鸣器6进行声音警报，可以节省驾驶员查看信息的时间，提高车辆涉水的安全性。Preferably, the vehicle wading warning and protection system further includes a buzzer 6 for sounding a buzzer alarm, and the buzzer 6 is connected to the signal output terminal of the vehicle body control module 1 . The sound alarm through the buzzer 6 can save the time for the driver to check the information and improve the safety of the vehicle fording water.
作为优选，低水位涉水传感器2安装在发动机底部，高水位涉水传感器3安装在发动机缸体中部。低水位涉水传感器2与高水位涉水传感器3的这一安装位置，可有效避免雨水等情况所引起的误判断，提高涉水信息采集的准确性。Preferably, the low water level wading sensor 2 is installed at the bottom of the engine, and the high water level wading sensor 3 is installed at the middle of the engine block. The installation positions of the low water level wading sensor 2 and the high water level wading sensor 3 can effectively avoid misjudgments caused by rainwater and other conditions, and improve the accuracy of wading information collection.
作为优选，低水位涉水传感器2采用电阻探头。车辆涉水警示及保护系统还包括蓄电池，蓄电池通过与电阻探头连接后为其他设备提供电能。蓄电池与电阻探头连接后为本系统中的其他设备提供电能，其中电阻探头可起到开关作用，当汽车涉水时，若水深没及电阻探头，则探头处通路，本系统得电开始工作，这样的设置可有效节约能源，使车辆只有在发生涉水情况时才得电工作。Preferably, the low water level wading sensor 2 adopts a resistance probe. The vehicle wading warning and protection system also includes a storage battery, which provides electric energy for other devices after being connected with a resistance probe. After the battery is connected with the resistance probe, it provides power for other devices in the system. The resistance probe can function as a switch. When the car is wading, if the water depth is lower than the resistance probe, the probe will be connected, and the system will start to work when it is powered. This setting can effectively save energy, so that the vehicle can only work on electricity when wading occurs.
作为优选，车辆涉水警示及保护系统还包括CAN通信总线7，车身控制模块1、低水位涉水传感器2、高水位涉水传感器3、发动机电控模块4、蜂鸣器6、启动继电器9、发动机转速传感器8和显示模块5均与CAN通信总线7连接。应用CAN通信总线7可以减少车身布线，进一步节省了成本；布线局部化，车上除掉总线外其他所有横贯车身的线都不再需要了，节省了布线成本；另外，CAN通信总线7的数据稳定可靠，线间干扰小、抗干扰能力强。Preferably, the vehicle wading warning and protection system also includes a CAN communication bus 7, a vehicle body control module 1, a low water level wading sensor 2, a high water level wading sensor 3, an engine electronic control module 4, a buzzer 6, and a start relay 9 , the engine speed sensor 8 and the display module 5 are all connected to the CAN communication bus 7 . The application of CAN communication bus 7 can reduce the wiring of the vehicle body and further save costs; the wiring is localized, and all other lines crossing the vehicle body except the bus are no longer needed, which saves wiring costs; in addition, the data of the CAN communication bus 7 Stable and reliable, small interference between lines, strong anti-interference ability.
作为优选，车辆涉水警示及保护系统还包括用于在判断车辆处于熄火状态时发送车辆涉水信息给移动终端的GPS通信设备10，GPS通信设备10与CAN通信总线7连接。设置GPS通信设备10，可在驾驶员不在车内的情况下也能了解到车辆的涉水情况，并及早做出相应的保护措施。Preferably, the vehicle wading warning and protection system further includes a GPS communication device 10 for sending vehicle wading information to the mobile terminal when it is judged that the vehicle is in an engine-off state, and the GPS communication device 10 is connected to the CAN communication bus 7 . The GPS communication device 10 is provided, so that the driver can understand the wading situation of the vehicle even when the driver is not in the vehicle, and take appropriate protective measures early.
本车辆涉水警示及保护系统的控制过程为：The control process of the vehicle wading warning and protection system is as follows:
当车辆涉水时，若水深达到低水位涉水传感器2，低水位涉水传感器2将采集到的涉水信号传递给车身控制模块1，车身控制模块1发出蜂鸣警报指令给蜂鸣器6，同时发送指令至液晶显示屏，在液晶显示屏的区域一内显示“车辆涉水过深，及时离开涉水路段”的提示语，在区域二内根据低水位涉水传感器2采集的涉水深度选择点亮LED指示灯的个数；当涉水深度达到高水位涉水传感器3时，高水位涉水传感器3将采集到的信号发送至发动机电控模块4，发动机电控模块4在接收到高水位涉水传感器3输送的信号后根据发动机转速传感器8输送的信号判断车辆的运行情况，在发动机转速传感器8输送的信号不为零时，说明车辆处于运行状态，则发出控制信号控制发动机自动熄火，同时根据高水位涉水传感器3采集的信号控制液晶显示屏中区域二内相应LED指示灯点亮，若车辆涉水深度持续增加，即在高水位涉水传感器3采集的信号大于发动机电控模块4内预设的最高设定值时判断发动机发生进水，则输出控制信号给启动继电器9，控制启动继电器9断开，从而限制车辆在发动机涉水后再次启动，避免发动机因二次启动而造成损坏；若发动机转速传感器8输送的信号为零时，说明车辆处于熄火状态，则说明驾驶员已作出相应措施，或者车内无人；此时在高水位涉水传感器3采集的信号大于发动机电控模块4内预设的最高设定值时判断发动机发生进水，则直接输出控制信号给启动继电器9，控制启动继电器9断开，从而限制车辆在发动机涉水后再次启动，避免发动机因二次启动而造成损坏，在此同时通过GPS通信设备10将车辆的涉水信息发送给预设的移动终端，使驾驶员能清楚的了解到车辆的涉水程度和相应的信息，从而使车辆得到最大程度的保护。When the vehicle is wading, if the water depth reaches the low water level wading sensor 2, the low water level wading sensor 2 transmits the collected wading signal to the body control module 1, and the body control module 1 sends a buzzer alarm command to the buzzer 6 , and send instructions to the LCD screen at the same time, and the prompt "vehicle wading is too deep, leave the wading section in time" is displayed in area 1 of the LCD screen. Depth selects the number of lit LED indicators; when the wading depth reaches the high water level wading sensor 3, the high water level wading sensor 3 sends the collected signal to the engine electronic control module 4, and the engine electronic control module 4 is receiving After receiving the signal sent by the high water level wading sensor 3, judge the running situation of the vehicle according to the signal sent by the engine speed sensor 8. When the signal sent by the engine speed sensor 8 is not zero, it means that the vehicle is in a running state, and then send a control signal to control the engine. Automatically turn off the engine, and at the same time, according to the signal collected by the high water level wading sensor 3, control the corresponding LED indicator lights in the area 2 of the LCD screen to light up. When the preset highest setting value in the electronic control module 4 judges that the engine has been flooded, the control signal is output to the start relay 9, and the start relay 9 is controlled to be disconnected, so as to limit the vehicle from restarting after the engine wading, and avoid the engine from being damaged due to two If the signal delivered by the engine speed sensor 8 is zero, it means that the vehicle is in a stalled state, and the driver has taken corresponding measures, or there is no one in the car; When the signal is greater than the preset maximum setting value in the engine electronic control module 4, it is judged that the engine has been flooded, and then the control signal is directly output to the start relay 9, and the start relay 9 is controlled to be disconnected, thereby limiting the vehicle from restarting after the engine wading, To avoid damage to the engine due to the second start, at the same time, the vehicle's wading information is sent to the preset mobile terminal through the GPS communication device 10, so that the driver can clearly understand the vehicle's wading degree and corresponding information, So that the vehicle is protected to the greatest extent.
本文中所描述的具体实施例仅仅是对本实用新型精神作举例说明。本实用新型所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本实用新型的精神或者超越所附权利要求书所定义的范围。The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.
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