CN111885127A - An emergency rescue intelligent vehicle networking system - Google Patents

Abstract

The invention discloses an emergency rescue intelligent vehicle networking system, including an emergency rescue networking system. The emergency rescue networking system consists of four parts: a vehicle data acquisition device, a vehicle intelligent control device, cloud service and storage, and an in-vehicle intelligent application terminal. The data acquisition device, the vehicle intelligent control device and the in-vehicle intelligent application terminal are deployed in specific vehicles. The central cloud service and storage are deployed in the cloud server. The vehicle data acquisition device is divided into the vehicle chassis data acquisition unit and the vehicle body data acquisition unit. unit, a real-time positioning unit, a performance monitoring unit and a wireless communication unit, wherein the wireless communication unit transmits the vehicle data acquired by the vehicle data acquisition device back to the cloud server. The vehicle data acquisition device and the vehicle intelligent control device of the present invention adopt explosion-proof, anti-drop, and high-temperature-resistant packaging, and use the vehicle to supply power independently, which fully guarantees the robustness of the vehicle and reduces the possibility of damage to the equipment when used in complex environments.

Description

An emergency rescue intelligent vehicle networking system

technical field

The invention relates to the technical field of design and development of a data acquisition device, a communication device and a car networking system protocol, in particular to an emergency rescue intelligent car networking system.

Background technique

Special vehicles refer to all kinds of special tank trucks, all kinds of special motor vehicles, van motor vehicles; Light inspection and other motor vehicles. Special vehicles are based on the structural characteristics of the vehicle itself. Compared with the traditional structural form of the chassis of ordinary trucks, the structure of the chassis and the whole vehicle are quite special. They are specially designed and rarely use general-purpose assembly components. Special vehicles used to solve severe disaster rescue conditions have an important service role for the society.

However, the existing solutions for special vehicles under severe disaster rescue conditions have the following problems: unable to share data between vehicles, unable to monitor vehicle chassis performance in real time, unable to monitor bodywork equipment and drug information in real time, and unable to perform real-time fault monitoring and analysis, and thus unable to carry out effective coordinated operations. To this end, it is necessary to design corresponding technical solutions to solve the existing technical problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an intelligent vehicle networking system for emergency rescue, which solves the problems raised in the background art and satisfies the actual use requirements.

In order to achieve the above purpose, the present invention provides the following technical solutions: an emergency rescue intelligent vehicle networking system, including an emergency rescue networking system, the emergency rescue networking system consists of a vehicle data acquisition device, a vehicle intelligent control device, cloud services and storage and vehicle-mounted systems. The intelligent application terminal consists of four parts, of which the vehicle data acquisition device, the vehicle intelligent control device and the vehicle intelligent application terminal are deployed in specific vehicles, and the central cloud service and storage are deployed in the cloud server. The vehicle data acquisition device It is divided into a vehicle chassis data collection unit, a vehicle body mounted data collection unit, a real-time positioning unit, a performance monitoring unit and a wireless communication unit, wherein the wireless communication unit transmits the vehicle data obtained by the vehicle data collection device back to the cloud server, through The vehicle data acquisition device can obtain various information of special vehicles in real time, and realize various functions by analyzing the data and feeding back the results to each vehicle. The vehicle intelligent control device includes an on-board device control unit and a fault protection unit. and a wireless communication unit, the vehicle-mounted device control unit realizes the above functions by actively sending command information to the vehicle CAN bus, and the fault protection unit is used to send a message to the vehicle when the vehicle intelligent control unit is disconnected from the network and powered off. The wireless communication unit is used to receive the command information sent by the cloud, and this unit is multiplexed with the wireless communication unit of the vehicle data acquisition device, so The cloud service and storage include two parts and are respectively storage and cloud service. The storage uses the data warehouse dimensional model for data storage and extraction and includes real-time data and historical data. The data is classified, denoised and aggregated to obtain data analysis result data, and the result data is fed back to the connected vehicle. The vehicle-mounted intelligent application end of the vehicle then applies the data to specific functions. A tablet computer is used as a carrier, and the application of the system is deployed in the tablet. The vehicle intelligent application terminal includes four main functions, which are multi-vehicle collaborative water supply control, vehicle status monitoring information visualization, vehicle emergency combat command reception and vehicle Full life cycle service, the in-vehicle intelligent application terminal also visually displays other data sent back by the cloud service, and at the same time uses these data to realize many important functions, which realizes the functions of car-vehicle interconnection and car-cloud interconnection of the Internet of Vehicles .

As a preferred embodiment of the present invention, the vehicle chassis data acquisition unit is used to acquire chassis data information such as oil temperature, oil level, engine information, and vehicle speed of the vehicle.

As a preferred embodiment of the present invention, the vehicle bodywork data acquisition unit is used to acquire various data information on the bodywork of special vehicles, including fault codes, upper arm angle values, telescopic arm length values, hydraulic pressure and other bodywork data information.

As a preferred embodiment of the present invention, the real-time positioning unit adopts a GPS module to acquire vehicle position information in real time.

As a preferred embodiment of the present invention, the performance monitoring unit judges the performance state of the vehicle by analyzing some functional information acquired by the vehicle chassis data acquisition unit and the vehicle bodywork data acquisition unit.

As a preferred embodiment of the present invention, the vehicle intelligent control device is mainly developed for special vehicles, such as a water tank fire truck, which has a large water storage tank, water guns, water cannons, etc. It is used to automatically control the water supply of the vehicle's water storage tank, the start and stop of the water gun and the water cannon, and the automatic adjustment of the angle.

As a preferred embodiment of the present invention, the cloud service and the specific data stored include chassis data, bodywork data, location information, control data and fault data collected by the vehicle data collection device.

As a preferred embodiment of the present invention, the multi-vehicle cooperative water supply control is used to automatically control the start and stop of the multi-vehicle relay water supply or other cooperative functions during fire rescue. The multi-vehicle cooperative water supply control function is controlled by the cloud. The service is realized, and the application side displays the control situation in real time.

As a preferred embodiment of the present invention, the visualization of the vehicle state monitoring information is used for fighters to know various operating states of the used vehicles in real time, so as to ensure rescue safety.

As a preferred embodiment of the present invention, the vehicle emergency combat command receiving function is used to receive the rescue combat command sent by the background command system through the cloud server in real time, and the vehicle full life cycle function is used to visually display vehicle maintenance Security information and vehicle status analysis data.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. The vehicle data acquisition device and the vehicle intelligent control device of the present invention are packaged with explosion-proof, anti-drop, and high-temperature resistance. They use the vehicle to supply power independently, which fully guarantees the robustness of the vehicle during combat and reduces the use of the equipment in complex environments. possibility of damage.

2. The vehicle data acquisition device and the vehicle intelligent control device used in the present invention use high-performance main control chips, all main functions are designed in units, each unit is independently distributed and only exchanges data through RAM and the main control chip. The independence of each function operation is ensured, and the efficient operation of the device in a complex environment is guaranteed.

3. The cloud service and storage in the present invention use a high-performance storage structure for data integration, and use intelligent data analysis algorithms to classify, de-noise and aggregate the collected data. The support greatly improves the informatization level of combat vehicles, enables vehicles to achieve intelligence, realizes self-security and situational awareness, and maximizes combat effectiveness in various emergency operations.

4. The in-vehicle intelligent application terminal proposed in the present invention is a large platform, which integrates various functions necessary for emergency rescue into one application, which can realize in-vehicle deployment and make full use of the data advantages of the Internet of Vehicles system, At the same time, it fully increases the supervisability of the vehicle intelligent control function, which can realize the coordinated coupling of water supply of multiple vehicles, ensure the safety of emergency rescue vehicles and personnel, improve the mobility of the emergency rescue team, and deploy the emergency rescue team in an efficient and real-time manner. Greatly improve the efficiency of emergency rescue.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the Internet of Vehicles system;

Fig. 2 is the composition diagram of the internal unit of the vehicle data acquisition device;

Fig. 3 is the composition diagram of the internal unit of the vehicle intelligent control device;

Fig. 4 is the server data storage structure diagram;

Figure 5 is a cloud service function hierarchy diagram;

Figure 6 is a use case diagram of the vehicle intelligent application terminal;

Figure 7 is a schematic diagram of multi-vehicle cooperative water supply.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figures 1-7, the present invention provides a technical solution: as shown in Figure 1, the Internet of Vehicles cloud service is used to provide data application interfaces to all devices or applications connected to the Internet of Vehicles system. Return the data and convert the data into various results we need through more complex analysis algorithms, including information such as prediction, analysis, performance monitoring and status feedback, and guarantee the Internet of Vehicles system through the powerful distributed computing power of cloud servers The efficient and stable operation of the Internet of Vehicles; among them, the intelligent application terminal of the Internet of Vehicles, which is installed in the driving of the fire truck, is used by fighters to use various data interfaces provided by cloud services, and realize important emergency rescue-related applications through these interfaces. Among them, wireless A communication module, which wirelessly sends the data of the vehicle data collection device back to the server, and transmits the command data sent back by the cloud service to the vehicle intelligent control device, this module uses the operator network, which is upgraded with the upgrade of the operator network , the vehicle intelligent control device, which receives the instruction data sent back by the cloud service and automatically controls the bodywork equipment of special vehicles, among which the vehicle data acquisition device is used to collect the vehicle chassis and bodywork data in real time, and send these data through Back to the server, where the emergency command center system is the emergency rescue command center using the cloud service interface.

Further improved, as shown in Figure 2, the vehicle data acquisition device includes a main control unit, a vehicle chassis data acquisition unit, a wireless communication unit, a performance detection unit, a real-time positioning unit, and a vehicle bodywork data acquisition device, and each unit is connected through the IIC bus. For data interaction, the main control unit of this device includes MCU and RAM. The MCU adopts 32-bit 72MhzSTM32 chip, and an off-chip RAM is added to cache the data to be calculated. The vehicle chassis data acquisition unit includes a high-performance AD converter. , CAN bus interface, coprocessor and circuit protection module, wherein the coprocessor is connected to the CAN bus of the vehicle through the CAN bus interface to obtain various data of the vehicle, and the high-performance AD converter is used to obtain continuous analog signals from Converted into digital signals, wherein the circuit protection module, the module guarantees the stable operation of the unit through the voltage regulator circuit and the insurance circuit, wherein the coprocessor, the processor writes the CAN bus protocol data filtering program for chassis data acquisition, through the The program filters out the chassis data in the bus, and packs the data to the main control unit. The data acquisition unit on the vehicle and the chassis data acquisition unit of the device have the same internal structure, only the work done by the coprocessor is different. Wireless communication The unit uses the operator's network to connect the vehicle to the cloud server. The wireless communication unit is upgraded with the upgrade of the operator's network. The internal structure of this unit is the same as the vehicle chassis data acquisition unit and the vehicle body data acquisition device. The difference is that this unit The program written by the coprocessor is used to analyze the data of each state of the vehicle, and after obtaining the analysis results of the vehicle performance, the data is packaged and transmitted to the main control unit. The main function of this unit is to evaluate the vehicle performance in real time and locate the unit in real time. The unit uses GPS + mobile network dual-mode positioning technology to obtain vehicle location information in real time, and transmit the data to the main control unit.

Further improved, as shown in Figure 3, the vehicle intelligent control device automatically controls the combat equipment of the special vehicle by obtaining the control instructions sent back by the cloud service, and the device includes a main control unit, a vehicle device control unit, a wireless communication unit and a fault. Protection unit, data exchange between each unit through IIC bus, the vehicle device control unit of the device includes high-performance DA converter, CAN bus interface, co-processor, hydraulic control negative feedback circuit, water control negative feedback circuit, angular velocity negative feedback Circuits and other mechanical control negative feedback circuits, each negative feedback circuit here is only installed in some specific combat equipment of special vehicles that are not connected to the CAN bus, and the high-performance DA\AD converter outputs the coprocessor output. The digital signal is converted into an analog signal value readable by mechanical equipment, which is used to control the mechanical equipment, wherein the co-processor is used to analyze and process the data received or generated by this unit, and the hydraulic control negative feedback circuit converts the high-performance DA converter. The output value is transmitted to the hydraulic equipment to control the take-off and landing of the hydraulic equipment, and the hydraulic equipment status data is transmitted back to the co-processor through AD conversion through the feedback circuit to achieve effective and accurate control. The control negative feedback circuit has the same function. The fault protection unit of the device, the function 1 of this unit is to analyze the equipment control feedback data transmitted by the coprocessor to the main control unit through PID, so as to obtain whether the control of the combat equipment is biased or wrong. , and make corresponding adjustment operations. The function 2 of this unit is to reduce the priority of equipment control or completely disconnect the control rights of the mechanical equipment of the device when the device is suddenly disconnected from the network or power outage, which is used to protect emergency rescue fighters and equipment. security.

Further improved, as shown in Figure 4, the server data storage structure is modeled by the data warehouse dimensional model. The advantage of using this model is that it allows the database system and the final query interface to generate strong assumptions in terms of data, so that later The data product (data interface) new energy is better; the predictable framework of the star connection mode of the model can endure unpredictable user behavior changes, that is, it is convenient to switch to use different dimension queries; at the same time, it has very good scalability In order to accommodate unpredictable new data sources and new design decisions, it is easy to add new analysis dimensions and facts without changing the granularity of the model. Coding, better scalability means that all previous applications can continue to run without producing different results. The present invention uses the dimensional modeling method, and aims to make full use of its advantages and increase the scalability of cloud services.

Further improved, as shown in Figure 5, the data storage center is used to store the data sent back by the vehicle equipment, and the intelligent data analysis service uses machine learning data analysis algorithms such as decision trees and random forests to analyze the data stored in the data warehouse. Analyze, and output the obtained results to specific applications through different application interfaces. The specific API has been written in the figure.

Further improved, as shown in Figure 6, the in-vehicle intelligent application includes visual data viewing, real-time receiving instructions, viewing vehicle usage tutorials and viewing combat history. The main functions of the application are listed in this patent, and the users of the application are special Vehicle drivers and relevant participating fighters, the visual viewing data of this application includes data such as combat unit parameters, vehicle status, drug status and maintenance information statistics, and real-time command operations include task details and real-time vehicle location viewing. After accepting the task, it will automatically Navigate to the combat position in real time and view the vehicle usage tutorial. This function explains the usage of the vehicle and the vehicle application to the user through the teaching video.

Specifically, as shown in Figure 7, the elements involved in the multi-vehicle cooperative water supply control include local water supply, water supply fire trucks, vehicle network cloud services, water tank fire trucks, and fire areas. These elements constitute a fire truck coupled water supply chain, where The water supply fire truck extracts the local water supply, and then the relay water supply fire truck transfers the water to the water tank fire truck for extinguishing the fire. The multi-vehicle cooperative water supply control in this patent is used to automatically control the water supply without human intervention. The control method is that when the water tank fire truck sends the water quantity information to the cloud server, the cloud service automatically sends the water supply command signal to the water supply fire truck and the relay water supply fire truck by analyzing the water volume. The cloud server sends water quantity information. When one fire truck is full, the cloud service sends a water supply stop instruction to the next fire truck, and so on, and vice versa. This is the basic algorithm for automatic control of multi-vehicle cooperative water supply, similar to the producer-consumer model and an algorithm composed of a negative feedback control. The multi-vehicle cooperative water supply control makes fire emergency rescue more orderly and efficient.

Finally, it should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides an emergency rescue intelligence car networking system, includes emergency rescue networking system, its characterized in that: the emergency rescue networking system comprises a vehicle data acquisition device, a vehicle intelligent control device, a cloud service and storage device and a vehicle-mounted intelligent application end, wherein the vehicle data acquisition device, the vehicle intelligent control device and the vehicle-mounted intelligent application end are deployed in a specific vehicle, the cloud service and the storage device are deployed in a cloud server, the vehicle data acquisition device is divided into a vehicle chassis data acquisition unit, a vehicle upper-mounted data acquisition unit, a real-time positioning unit, a performance monitoring unit and a wireless communication unit, the wireless communication unit returns the vehicle data acquired by the vehicle data acquisition device to the cloud server, various information of the special vehicle can be acquired in real time through the vehicle data acquisition device, the data are analyzed, and results are fed back to the vehicles to realize various functions, and the vehicle intelligent control device comprises a vehicle-mounted device control unit, The vehicle-mounted device control unit actively sends instruction information to a vehicle CAN bus to realize the functions, the fault protection unit is used for resetting an instruction sent by a vehicle and simultaneously cutting off the control right of the device so as to guarantee emergency rescue safety under the condition that a vehicle intelligent control unit is disconnected from a network and a power supply, the wireless communication unit is used for receiving the instruction information sent by a cloud end and is multiplexed with the wireless communication unit of the vehicle data acquisition device, the cloud service and storage comprise two parts which are respectively storage and cloud service, the storage uses a data warehouse dimensional model for data storage and extraction and comprises real-time data and historical data, and the cloud service classifies, removes noise and aggregates the data through a decision tree algorithm which is constructed in advance to obtain data analysis result data, and feedback the result data back to networking vehicle, the vehicle-mounted intelligent application end is in with data application to concrete function again, vehicle-mounted intelligent application end uses a panel computer as the carrier, the deployment of this system has the application in this panel, vehicle-mounted intelligent application end contains four main functions and is multi-vehicle collaborative water supply control, vehicle state monitoring information visualization, vehicle emergency operation instruction receipt and vehicle full life cycle service respectively, vehicle-mounted intelligent application end is the visual other data that send back by cloud that show still, utilizes these data to realize many important functions simultaneously, and it has realized the interconnected function of car networking, car cloud interconnection.

2. The intelligent emergency rescue internet-of-vehicles system of claim 1, wherein: the vehicle chassis data acquisition unit is used for acquiring chassis data information such as oil temperature, oil level, engine information and vehicle speed of a vehicle.

3. The intelligent emergency rescue internet-of-vehicles system of claim 1, wherein: the vehicle-mounted data acquisition unit is used for acquiring various data information of a special vehicle and comprises fault codes, upper arm angle values, telescopic arm length values, hydraulic pressure and other mounted data information.

4. The intelligent emergency rescue internet-of-vehicles system of claim 1, wherein: the real-time positioning unit adopts a GPS module to acquire the vehicle position information in real time.

5. An emergency rescue intelligent internet of vehicles system as claimed in claim 3, wherein: the performance monitoring unit judges the performance state of the vehicle by analyzing some functional information acquired by the vehicle chassis data acquisition unit and the vehicle upper-mounted data acquisition unit.

6. The intelligent emergency rescue internet-of-vehicles system of claim 1, wherein: vehicle intelligent control device mainly is to special vehicle development, for example water pitcher fire engine, and this vehicle has great water storage tank and squirt, water cannon etc. and vehicle intelligent control device is used for receiving the automatic control command who sends in high in the clouds for the automatic adjustment of the start-up and the stop and the angle of this vehicle water storage tank water supply of automatic control and squirt water cannon.

7. The intelligent emergency rescue internet-of-vehicles system of claim 1, wherein: the specific data of the cloud service and the storage comprise chassis data, loading data, position information, control data and fault data which are collected by a vehicle data collection device.

8. The intelligent emergency rescue internet-of-vehicles system of claim 1, wherein: the multi-vehicle cooperative water supply control is used for carrying out automatic control on starting and stopping or other cooperative work functions during multi-vehicle relay water supply during fire rescue, the multi-vehicle cooperative water supply control function is realized by cloud service, and an application end displays the control condition in real time.

9. The intelligent emergency rescue internet-of-vehicles system of claim 1, wherein: the vehicle state monitoring information is visualized and used for the fighters to know various running states of the used vehicles in real time, and the rescue safety is guaranteed.

10. The intelligent emergency rescue internet-of-vehicles system of claim 1, wherein: the vehicle emergency operation instruction receiving function is used for receiving a rescue operation instruction sent by a background command system through a cloud server in real time, and the vehicle full life cycle function is used for visually displaying vehicle maintenance information and vehicle state analysis data.

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