CN202218339U - Intelligent video fire hazard detection TD-SCDMA/WSN composite internet of things terminal device - Google Patents

Abstract

The utility model relates to an intelligent video fire hazard detection TD-SCDMA(Time-Division Synchronous Code Division Multiple Access) /WSN (Wireless Sensor Network) composite internet of things terminal device which is mainly composed of a video image information acquisition module, a ZigBee wireless module, a control module, a TD-SCDMA wireless communication module, and a power supply module, and is used to realize the video image information acquisition, transmission, detection, and identification functions. The intelligent video fire hazard detection TD-SCDMA/WSN composite terminal is arranged in a monitoring area to form a hierarchical network in a self-organizing mode. The inside of the hierarchical network adopts a single-hop communication approach, and the internetwork adopts a multi-hop communication mode. The monitoring area information sensed by the terminal cooperative processing is remotely transmitted to a monitoring center via the TD-SCDMA module to realize the real-time analysis on whether fire hazard information exists, fire hazard information processing, and abnormal condition alarm functions. The intelligent video fire hazard detection TD-SCDMA/WSN composite internet of things terminal device has the advantages of small size, low cost, low power consumption, easy and convenient installation, high identification rate, and low fault alarm rate.

Description

A kind of intelligent video fire detection TD-SCDMA/WSN compound networking terminal installation

One, technical field

A kind of intelligent video fire detection of the utility model TD-SCDMA/WSN compound networking terminal installation; Relate to a kind of video image information collection; The equipment of the identification of long-distance transmissions, fire image, other internet-of-things terminal data of transfer and abnormal alarm relates in particular to 3G mobile communication technology, wireless sensor network technology, Internet network heterogeneous network merges and the networking technology of short distance ZigBee network service and telecommunication.A kind of intelligent video fire detection of the utility model TD-SCDMA/WSN compound networking terminal installation; Can have or not fire to take place in the real-time analysis monitored area; When detection has flame; Through the 3G wireless communication module its image information is transferred to remote control center, and send alarm signal, the fire that is fit to important places such as warehouse, factory, building, forest is monitored automatically.

Two, background technology

At present; In the security protection monitoring system; Such as bulk storage plant, factory, building, forest fire protection monitoring etc., often need dispose a large amount of intelligent terminals in the monitored area to monitor in real time, Monitoring Data needs real-time Transmission to Surveillance center to be convenient to administrative staff's management and monitoring.Because the monitoring point disperses, has a very wide distribution and most of terminal need be deployed in the unattended field extreme environment; The distance detection center is distant; Through wired mode especially video image information; Can receive the restriction of multiple factors such as wiring, transmission rate, cost, be difficult in long distance control system, use.The development of wide-band mobile communication technology makes high-speed remote transmitting video image information become possibility.Therefore, the utility model intelligent video fire detection TD-SCDMA/WSN compound networking terminal installation has been realized video frequency pick-up head and short-range wireless communication module are integrated, and constitutes the video information sensing device.Detect through embedding flame, discern new algorithm, and utilize TD-SCDMA wireless mobile communications module to carry out the remote high-speed transmission of video image, thereby realize fireproof monitoring.

Three, technology contents

(1) goal of the invention

The utility model is a kind of supports that intelligent video fire detection TD-SCDMA/WSN compound networking terminal installation purpose is exactly the deficiency that overcomes prior art; Develop a kind of intelligent video fire detection device based on Internet of Things; Have distributed IMAQ and fire Automatic Recognition function; Can utilize TD-SCDMA network remote transmitting video image, abnormal conditions are reported to the police automatically.

(2) technical scheme

A kind of intelligent video fire detection of the utility model TD-SCDMA/WSN compound networking terminal installation mainly is made up of ZigBee wireless communication module 1, control module 2, TD-SCDMA communication module 3, video image information acquisition module 4 and power module 5.ZigBee wireless communication module 1 adopts the Z-Stack protocol stack to build the ZigBee network, follows the 802.15.4 agreement, adopts international free 2.4GHZ frequency range communication; Control module 2 is used Linnux operating system, and TD-SCDMA module 3 is used the TDD dual-mode, and carrier bandwidths is 1.6MHZ; Main control module 2 receives the vedio data that the ZigBee wireless communication module is gathered through serial ports 1; Through serial ports 2 video data information of calculation process is transferred to TD-SCDMA module 3; Through AT instruction initialization TD-SCDMA module, obtain Virtual network operator IP address allocated and Internet network and connect.The video acquisition program of camera through writing reads video image information, and video acquisition program employing memory-mapped mode replaces directly reading mode and improves the video flowing reading speed; Be wirelessly transmitted to control module 2 through ZigBee wireless communication module 1 receiver, video flow data; Control module 2 is selected 16/32 RISC embedded microprocessor S3C2440A of the ARM920T of Samsung kernel, and control module directly links to each other through serial ports 1 with ZigBee, through serial ports 2 the processed video data is sent to TD-SCDMA module 3; TD-SCDMA adopts the LC6311 acp chip; Use UART and two kinds of communication interface transceive data of USB, use more convenient and flexible, inner integrated ICP/IP protocol; Can conveniently connect Internet, power module 5 adopts 5V stabilized voltage power supply box 3.3V voltage.

(3) technique effect

A kind of intelligent video fire detection TD-SCDMA/WSN internet-of-things terminal device is a kind of fire video detecting device that merges field state-of-the-art technologies such as Internet of Things, 3G mobile communication, pattern recognition; The utility model all adopts communication; Have install simple, dispose flexibly, cost is low, adaptability is strong, easy to maintenance, automation, intelligent degree advantages of higher; The fire that is suitable for very much important places such as warehouse, engineering, building is monitored automatically; This is the limitation of fire hazard monitoring modes such as the infrared cigarette sensor measuring of big quantum jump, cable video transmission, artificial observation, is increasingly automated, long-range and intelligent monitoring system.

The research and the Industry Promotion of a kind of intelligent video fire detection of the utility model TD-SCDMA/WSN internet-of-things terminal device; To greatly improve fire safety evaluating monitoring current application status; Improve fire safety evaluating monitoring technique level; Promoting domestic fire safety evaluating supervisory control system to portability, intelligent development, very wide application prospect is arranged in public safety, intelligent domestic system, is a kind of effective technology equipment of building a harmonious society.

Four, description of drawings:

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is the utility model theory diagram

Fig. 2 is the utility model ZigBee module principle figure

Fig. 3 is the utility model TD-SCDMA module principle figure

Fig. 4 is the utility model core board interface principle figure

Fig. 5 is the utility model video image acquisition module principle figure

Fig. 6 is the power module schematic diagram

Five, embodiment

An embodiment to the utility model is described further below in conjunction with accompanying drawing:

With reference to Fig. 1, Fig. 1 representes that the utility model terminal hardware connects block diagram.The hardware of the utility model is realized based on the S3C2440A microprocessor of SAMSUNG, is core with the microprocessor unit, realizes a kind of wireless central main control system function with computing capability, storage capacity and communication capacity.Hardware connects and comprises: control module, ZigBee module, TD-SCDMA wireless communication module, vedio data acquisition module, power module etc.Wherein, camera collection module, ZigBee module, 3G communication module all link to each other with control module through the RS232 serial ports, and peripheral hardwares such as liquid crystal display screen, button link to each other through the GPIO mouth with microprocessor.

With reference to Fig. 2; Fig. 2 representes the ZigBee wireless communication module of the utility model; The utility model ZigBee communication chip is selected CC2430 for use, symbols Z igBee standard, and can satisfy with ZigBee is the requirement of the 2.4GHZ ISM wave band application on basis to low cost, low-power consumption.It combines a high-performance 2.4GHZ DSSS RF transceiver core and small and exquisite 8051 controllers efficiently of technical grade.Use spi bus communication between the CC2430 chip ARM9, circuit such as debugging interface, indicator light and button are through the base plate expansion.

With reference to Fig. 3, Fig. 3 representes the utility model TD-SCDMA module principle figure.That wherein, TD-SCDMA selects for use is LC6311.LC6311 supports TD-HSDPA and GGE bimodulus, and the inter-network automatic seamless switches between back-up system, and under the TD-HSDPA standard, downlink transmission data rate can reach 2.8Mbps; Be supported in the up-downgoing asymmetric data transmittability under the TD-SCDMA standard, the up-downgoing message transmission rate can reach 384Kbps respectively; Inner integrated ICP/IP protocol can conveniently connect Internet, can the different industry field of extensive use.LC6311 mainly is divided into two steps for debugging: connect each wire jumper on the LC6311 module; Connect power supply and realize that module starts; Start hyper terminal; Corresponding Port port com3 is set, carries out the associative operation setting: baud rate, data bit, parity check bit, position of rest, data flow con-trol position etc.

With reference to Fig. 4, Fig. 4 representes the utility model core board interface principle figure.Microprocessor links to each other with liquid crystal display screen through LCD Control pin, links to each other with camera through Camera Interface interface.

With reference to Fig. 5, Fig. 5 representes the utility model video image acquisition module principle figure.Wherein camera is selected OV9650 CMOS chip for use, and ultimate resolution can reach 1300*1028 pixel (1,300,000 pixel) camera and adopt 3.3V and the power supply of 5V power supply.

With reference to Fig. 6, Fig. 6 representes the utility model power module schematic diagram.Fig. 6 representes 3.3V power supply and 5V stabilized voltage power supply.Microprocessor chip S3C2440A uses 3.3V and 1.25V power supply, and 3.3V voltage converts the required 1.25V voltage of kernel to through the circuit setting, and the 5V power supply is to supply power and reset etc. to CPU and I/O.

In addition, peripheral units such as the button of the utility model, liquid crystal display screen.The button peripheral hardware adopts high-low level conversion commonly used, and realizes through the program of matrix press-key scanning, and liquid crystal display screen shows that the 128*64 based on the band Chinese word library realizes.128*64 is a kind of have 4/8 parallel-by-bits, 2 lines or 3 line serial multiple interfaces modes; The dot matrix image LCD MODULE of GB one-level, secondary simplified form of Chinese Character character library is contained in inside; Its display resolution is 128*64, built-in 8192 16*16 point Chinese characters and 128 16*8 point ascii character-sets.Utilize this module interface mode and operational order simply and easily flexibly, can constitute complete Chinese man-machine interaction graphic interface.

Claims (2)

1. support intelligent video fire detection TD-SCDMA/WSN compound networking terminal installation for one kind; It is characterized in that: system is mainly by video image information acquisition module, ZigBee wireless communication module; Control module, TD-SCDMA communication module and power module are formed, and main control module 2 uses Linnux operating system, and ZigBee wireless module 2 adopts the Z-Stack protocol stack to build the ZigBee network; Follow the 802.15.4 agreement, adopt international free 2.4GHZ frequency range communication; TD-SCDMA module 3 is used the TDD dual-mode, and carrier bandwidths is 1.6MHZ; Main control module 2 receives the vedio data that the ZigBee wireless communication module is gathered through serial ports 1; Through serial ports 2 video data information of calculation process is transferred to TD-SCDMA module 3; Through AT instruction initialization TD-SCDMA module, obtain Virtual network operator IP address allocated and Internet network and connect.

2. a kind of intelligent video fire detection TD-SCDMA/WSN compound networking terminal installation according to claim 1; It is characterized in that: the base plate of employed control module 2 is 16/32 RISC embedded microprocessor S3C2440A of ARM920T kernel, and the master chip model that video image acquisition module 4 adopts is CMOS OV9650, and that rf chip uses in the ZigBee wireless module 1 is CC2430; The 3G wireless communication module is TD-SCDMA3; Model is Datang LC6311, and the inter-network automatic seamless switches between back-up system, supports UART and two kinds of communication interfaces of USB; Use more convenient and flexible; Inner integrated ICP/IP protocol can conveniently connect Internet, and power module 5 adopts 5V stabilized voltage power supply and 3.3V voltage.

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