本文關鍵詞： 室內(nèi)大空間 火災早期 自動跟蹤定位 水射流 落水點修正　出處：《南京航空航天大學》2016年碩士論文　論文類型：學位論文

【摘要】：隨著經(jīng)濟的發(fā)展、人類活動需求的增加以及建筑設施的不斷壯大,大空間建筑如雨后春筍般在世界各地掀起一股興建熱潮。該類建筑空間分割大,防火分區(qū)多,且建筑結(jié)構特殊,設施復雜,潛在火災危險性比一般建筑大,滅火也更困難。因此,火災早期大空間建筑的自救能力十分重要,開發(fā)一款適用于室內(nèi)大空間建筑的消防系統(tǒng)刻不容緩。本課題針對室內(nèi)大空間建筑結(jié)構和火災特點,設計并研發(fā)了一套室內(nèi)大空間自動跟蹤定位射流消防系統(tǒng)。系統(tǒng)主要由滅火裝置、區(qū)域控制箱、控制主機三個模塊組成,采用紫外傳感器作為火災探測元件,熱釋電紅外探測器作為火源定位元件,可以在被保護的三維空間范圍內(nèi),全方位地進行火災探測,并通過步進電機驅(qū)動滅火裝置噴頭快速瞄準火源,繼而結(jié)合RS-485總線技術和CAN總線技術,以自動控制、現(xiàn)場手動控制或遠程聯(lián)網(wǎng)控制模式完成啟泵、開閥等操作,使得蓄水池內(nèi)的水經(jīng)由消防管道和滅火裝置及時、準確地噴向著火點,從而確保在火災早期完成滅火,盡可能將火災造成的人員和物資損失以及滅火帶來的二次損失都降到最低。系統(tǒng)內(nèi)的微型監(jiān)控攝像頭可將現(xiàn)場視頻圖像通過控制主機內(nèi)的24路硬盤刻錄機存儲,并實時傳送至監(jiān)視器和上位機監(jiān)控界面進行顯示。利用監(jiān)控攝像頭拍攝的現(xiàn)場視頻圖像,本課題提出了遠程快速滅火方法,用于修正射流落水點的位置,為系統(tǒng)進一步研究和改進提供了新的思路。測試證明,該室內(nèi)大空間自動跟蹤定位射流消防系統(tǒng)運行穩(wěn)定,具有響應時間快、滅火效率高、可靠性和安全性好等優(yōu)勢,能夠在火災早期階段實現(xiàn)火源的探測、定位和滅火,且能在很大程度上減少火災漏報、誤報的情況。
[Abstract]:With the development of economy, the increasing demand for human activities and the continuous expansion of construction facilities, large space buildings have sprung up in all parts of the world. And the building structure is special, the facilities are complex, the potential fire danger is bigger than the general building, and the fire extinguishing is more difficult. Therefore, the self-rescue ability of the large space building in the early stage of fire is very important. It is urgent to develop a fire protection system suitable for indoor large space building. This subject aims at the structure and fire characteristics of indoor large space building. Designed and developed a set of indoor large space automatic tracking and positioning jet fire control system. The system is mainly composed of fire extinguishing device, area control box, control host three modules, using ultraviolet sensor as fire detection element. Pyroelectric infrared detector as a fire source location element, can be protected in the three-dimensional space, all-directional fire detection, and step motor drive fire extinguishing device sprinkler quickly aimed at the source of fire. Then combined with RS-485 bus technology and CAN bus technology to automatic control field manual control or remote network control mode to complete the pump opening valve and other operations. So that the water in the reservoir through fire pipes and fire extinguishing devices timely and accurately spray to the point of fire, so as to ensure the completion of the fire in the early stages of the fire. As far as possible, the loss of personnel and materials caused by the fire and the secondary loss caused by the fire will be minimized. The micro surveillance camera in the system can store the scene video images through the 24-channel hard disk burner in the control mainframe. . And real-time transmission to the monitor and host computer monitor interface for display. Using the scene video images captured by the surveillance camera, this paper proposed a remote fast fire extinguishing method to correct the position of the water jet drop point. It provides a new way for further research and improvement of the system. The test results show that the fire fighting system with automatic tracking and positioning jet in large space has stable operation, fast response time and high fire extinguishing efficiency. The advantages of good reliability and safety can be used to detect, locate and extinguish the fire source in the early stage of the fire, and to a great extent to reduce the situation of false alarm and false alarm of the fire.
【學位授予單位】：南京航空航天大學
【學位級別】：碩士
【學位授予年份】：2016
【分類號】：TU892

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