CN106864409A - A kind of automotive theft proof system based on information fusion Yu radio sensing network - Google Patents

Abstract

The invention discloses an automobile anti-theft system based on information fusion and a wireless sensor network, which includes a ZigBee wireless sensor network, a vehicle terminal controller, a cloud server and various interactive interfaces. The present invention utilizes multi-sensor information fusion technology to improve system reliability and reduce the rate of missed and false alarms; utilizes the ZigBee wireless communication network to facilitate the arrangement of sensors and reduce changes to the original circuits of automobiles; utilizes cloud servers and The GPS module realizes the positioning and display of the driving track of the car.

Description

A car anti-theft system based on information fusion and wireless sensor network

technical field

The invention relates to an automobile anti-theft system, in particular to an automobile anti-theft system based on information fusion and a wireless sensor network.

Background technique

Existing electronic car anti-theft systems often use a single sensor or several sensors independently to monitor vehicle conditions, which have a high rate of false positives and false positives, and poor reliability, which greatly affects the user experience; The location of the existing car is relatively large, and the wiring and power supply are difficult; after the car is stolen, there is usually only an audible and visual alarm, and the owner does not receive the information in time and it is difficult to make effective tracking and control measures.

Contents of the invention

The present invention The purpose of the present invention is to address the above problems, overcome the deficiencies of the prior art, and provide a car anti-theft system based on information fusion and wireless sensor networks.

To achieve the above object, the present invention adopts the following technical solutions:

A car anti-theft system based on information fusion and wireless sensor network, characterized in that it includes ZigBee wireless sensor network, vehicle terminal controller, cloud server and multiple interactive interfaces;

The ZigBee wireless sensor network sends the sensing information to the ZigBee coordinator on the vehicle terminal controller through the ZigBee nodes distributed in various parts of the vehicle.

Further, the ZigBee wireless sensor network includes microwave sensors, infrared sensors, Hall sensors, acceleration sensors, glass breakage detectors and ZigBee nodes. By fusing data from various sensors, the accuracy of the system in judging vehicle conditions is improved. The acceleration sensor is used to monitor the inclination and vibration of the car to determine whether the car has been illegally towed, etc.; the glass breakage detector is used to monitor whether the car glass is intact and is used to determine whether the car has been damaged for theft or illegal intrusion. Each sensor is installed in different ZigBee nodes according to the needs. The ZigBee node communicates wirelessly with the ZigBee coordinator installed on the vehicle terminal controller, and uploads the sensor data to the vehicle terminal controller. The ZigBee wireless communication network has low power consumption and can realize automatic Networking, high reliability, ZigBee nodes are powered by batteries alone, greatly reducing the modification of existing car circuits, ZigBee nodes can be flexibly arranged in various parts of the car.

Further, the microwave sensor, the infrared sensor and the microprocessor form a three-detection detector with information fusion; the Hall sensor and the infrared sensor are arranged on the car door. Microwave sensor, infrared sensor and microprocessor carry out information fusion to form a three-detection detector, which is installed in front of the driver's seat of the car to accurately identify illegal intrusion of personnel; the combination of Hall sensor and infrared sensor is installed on the four doors for comprehensive Determine whether someone has opened the door illegally; the acceleration sensor is used to monitor the inclination and vibration of the car, to determine whether the car has been towed illegally; the glass breakage detector is used to monitor whether the car glass is intact, to determine whether the car is damaged. Theft or Trespassing.

Further, the vehicle terminal controller includes a ZigBee coordinator, a central processing unit, a GPS module, a GPRS module and an alarm module;

The central processing unit is connected with ZigBee coordinator, GPS module, GPRS module and alarm module. The central processor further fuses the sensor data uploaded by the ZigBee node to judge real-time vehicle conditions; the GPRS module uploads the data processed by the central processor and the location information obtained by the GPS module to the cloud server. Remind the owner and turn on the sound and light alarm.

Further, the multiple interactive interfaces include multiple interactive interfaces on the mobile terminal, PC terminal and vehicle terminal controller, which can realize data display, vehicle positioning, track display and reverse control.

Further, the alarm module is in SMS alarm and sound and light alarm mode. When it is found that the car may be stolen, the controller sends a text message to the owner, and the owner can check the condition of the car through various interactive interfaces, and reversely control the vehicle in time. Cut off the ignition circuit of the car and track the vehicle according to the historical track.

The beneficial effects of the present invention are:

1. A variety of sensors are used to collect data on vehicle conditions, and information fusion technology is used to process information to make reliable judgments on vehicle conditions, reducing the rate of false positives and false negatives.

2. ZigBee wireless communication network is adopted, and ZigBee nodes are powered by independent batteries, which minimizes the modification of the existing electronic system of the car. ZigBee nodes can be flexibly arranged in various parts of the car according to needs.

3. After finding that the car is stolen, the owner can be notified in time through SMS alarm, and the owner can take measures such as cutting off the car circuit and tracking the vehicle according to the actual situation.

Description of drawings

Fig. 1 is a system structure diagram of the present invention.

Fig. 2 is a working flow diagram of the present invention.

detailed description

An automobile anti-theft system based on information fusion and wireless sensor network, including ZigBee wireless sensor network, vehicle terminal controller, cloud server and various interactive interfaces.

The ZigBee wireless sensor network includes various sensors and ZigBee nodes such as microwave sensors, infrared sensors, Hall sensors, acceleration sensors, and glass breakage detectors. By fusing the data of various sensors, the accuracy of the system in judging the vehicle condition is improved. Rate;

The vehicle-mounted terminal controller includes a ZigBee coordinator, a central processing unit, a GPS module, a GPRS module and an alarm module, and the ZigBee node and the ZigBee coordinator form a wireless communication network to transmit sensor information to the vehicle-mounted terminal controller;

The cloud server includes data interaction and storage display functions, and the multiple interactive interfaces include multiple interactive interfaces on the mobile terminal, PC terminal and vehicle terminal controller, which can realize data display, vehicle positioning, track display and reverse control.

Microwave sensors, infrared sensors, Hall sensors, acceleration sensors, and glass breakage detectors are used to monitor vehicle conditions. The microwave sensor, the infrared sensor and the microprocessor carry out information fusion to form a three-point detector, which is installed in front of the driver's seat of the car. When someone enters the car, both the microwave sensor and the infrared sensor will generate specific signals, which will be detected by the microprocessor. Information fusion can accurately identify the illegal intrusion of personnel, and eliminate the interference of factors such as thermal airflow or small animals; the combination of Hall sensors and infrared sensors is installed on the four doors to set a safe range. When someone enters the set safe range, And open the door, it is determined that someone illegally opened the door; the acceleration sensor is used to monitor the inclination and vibration of the car, to determine whether the car is illegally towed, etc.; the glass breakage detector is used to monitor whether the car glass is intact, to determine whether the car has been Breaking windows for theft or trespassing.

Each sensor is connected to ZigBee nodes, and ZigBee nodes are flexibly distributed in various parts of the car according to needs, and each sensor is connected to ZigBee nodes in different distribution areas according to usage requirements. The wireless communication network adopts the ZigBee network. The ZigBee node communicates wirelessly with the ZigBee coordinator installed on the vehicle terminal controller. The ZigBee coordinator is connected to the vehicle terminal controller through a serial port, and the sensor data is transmitted to the vehicle terminal controller through the ZigBee network. The terminal controller further fuses the information of multiple sensors through the information fusion algorithm, and obtains judgment results such as illegal approach, illegal opening, illegal intrusion, broken glass theft, and vehicle haulage. The GPS module collects the geographic location information of the vehicle in real time, and the GPRS module uploads the judgment result and geographic location information to the cloud server, and stores and displays the data. Once the car is found to be stolen, the GPRS module will immediately send a text message to the car owner, and turn on the sound and light alarm. Vehicles are tracked.

In addition to the above-mentioned embodiments, the present invention may also have other implementation modes, and any technical solution formed by equivalent replacement or equivalent transformation shall fall within the scope of protection required by the present invention.

Claims (6)

1. a kind of automotive theft proof system based on information fusion Yu radio sensing network, it is characterised in that wireless including ZigBee Sensing network, car-mounted terminal controller, Cloud Server and various interactive interfaces；

Heat transfer agent is sent to car by the ZigBee radio sensing networks by being distributed in the ZigBee node at each position of automobile ZigBee telegons on mounted terminal controller.

2. a kind of automotive theft proof system based on information fusion Yu radio sensing network according to claim 1, its feature Be, the ZigBee radio sensing networks include microwave remote sensor, infrared sensor, Hall sensor, acceleration transducer, Glass break detection device and ZigBee node.

3. a kind of automotive theft proof system based on information fusion Yu radio sensing network according to claim 2, its feature It is that the microwave remote sensor, infrared sensor and microprocessor form a three mirror detectors of information fusion；The Hall Sensor and infrared sensor are located at car door.

4. a kind of automotive theft proof system based on information fusion Yu radio sensing network according to claim 1, its feature It is that the car-mounted terminal controller includes ZigBee telegons, central processing unit, GPS module, GPRS module and alarm mould Block；

The central processing unit is connected with ZigBee telegons, GPS module, GPRS module and alarm module.

5. a kind of automotive theft proof system based on information fusion Yu radio sensing network according to claim 1, its feature It is that various interactive interfaces include various interactive interfaces of mobile terminal, PC ends and car-mounted terminal controller end.

6. a kind of automotive theft proof system based on information fusion Yu radio sensing network according to claim 4, its feature It is that the alarm module is SMS alarm, sound and light alarm pattern.