【正文】
ntration, etc.) response, and automatically generate a fire alarm signal devices. Fire response parameters according to different fire detectors into heat detectors, smoke detector, sensitive fire detectors, bustible gas detectors and fire detectors five basic types of posite. Different types of fire detectors for different types of fires and different places. Manual fire alarm button fire alarm signal generated manually start the automatic fire alarm system devices, automatic fire alarm system is an indispensable ponent of the. (B) The fire alarm device in automatic fire alarm system to receive, display and transmit fire alarm signals, and can send control signals and control functions with other auxiliary equipment as the fire alarm device instructions. Fire alarm control is one of the most basic kind. Charged with the fire alarm control fire detectors provide a stable working power。 detector and the working status of the system itself。 the reception, conversion, processing a warning of fire detectors Shuchu。 Jinxing sound and light alarm。 Zhishi specific location and alarm time。 the same time supporting the implementation of appropriate control and many other tasks. Fire alarm system is a core ponent. In the fire alarm devices, some devices such as break, regional monitors, fire shows and other functions can not plete disc alarm device, which can be regarded as the evolution of fire alarm controller or supplement. Under certain conditions applied, and the fire alarm device fire alarm control belong.The basic function of fire alarm control are: the main power, backup power automatically converted, standby power charge function, power failure monitoring function, power functions working status indicator, power supply for the detector circuit function, control sensors or system failures, sound and light alarm, fire sound, light alarm, fire alarm and memory function, clock function unit, with priority being given fault function fire alarm, sound alarm sound audible alarm mute and again. (C) Fire alarms in automatic fire alarm system to send different from the environment, sound, light the fire alarm signal device called the fire alarms. It sound, light and sound approach to the issue of fire alarm signals alarm area to warn people to adopt safe evacuation, fire fighting and rescue measures. (D)Fire control equipment in automatic fire alarm system, when receiving the fire alarm, automatically or manually start the related firefighting equipment and display devices of their state, known as the fire control equipment. Include fire alarm control, automatic fire extinguishing system control device, fire hydrant system control devices, smoke exhaust system and air conditioning and ventilation system control device, normally open fire doors, fire shutter control device, the lift back down control equipment, and fire emergency radio, fire alarms, fire munications equipment, fire evacuation signs and emergency lighting control devices, control devices in some or all. Fire control equipment normally installed in the fire control center to facilitate the implementation of centralized control. While others set fire control equipment, fire fighting equipment is located in the charged field, but its actions must be returned fire control signal, bined with the implementation of centralization and decentralization of control. (E) fire alarm system power supply electrical equipment belonging to the fire, the main power should be in the fire power, standby power use of battery. In addition to fire alarm system power controller, power supply, but also related to the system for the fire control equipment such as power supply.Automatic fire alarm system is generally divided into the decentralized, centralized and distributed. A distributed system consists of non intelligent controller of intelligent detection nodes, by detecting nodes plete fire state judgment。 centralized system is posed of intelligent controller and a plurality of non intelligent nodes, detection node will only fire parameter is transmitted to the controller, the controller of intelligent judgment of fire state。 controller and the detection nodes of a distributed system are intelligent, but also the future development direction of the automatic fire alarm system. The western developed countries of the fire alarm system is perfect, set up fire control special service agencies, to provide fire alarm data munication service for city fire, provide reliable fire for fire alarm information。 secondly, the use of puter technology, network technology, munication technology, remote transmission equipment for fire monitoring system of realtime monitoring and fault the general construction, public alarm monitoring system network, the automatic fire alarm system, access network, so that the fire control center to quickly determine the exact location of fire, fire brigade quickly arrived at the scene and scheduling. Once again, especially in the developed countries such as Japan and Europe, automatic fire alarm system have entered the family, and access the city fire protection network, make the city fire larger network, covering a wider range of. In recent years, the use of wireless munication mode of the automatic fire alarm system is quietly on the rise in foreign countries.中文翻譯火災(zāi)自動(dòng)報(bào)警系統(tǒng)傳統(tǒng)電子安全報(bào)警系統(tǒng)主要是通過(guò)傳感器自動(dòng)檢測(cè),產(chǎn)生報(bào)警信號(hào),從現(xiàn)場(chǎng)發(fā)出報(bào)警信號(hào)或通過(guò)專門電纜近距離報(bào)警,從而引起人們的警覺(jué)。通過(guò)多年的研究和發(fā)展,現(xiàn)在的報(bào)警器可以說(shuō)是門類眾多。由于報(bào)警器的飛速發(fā)展和社會(huì)各個(gè)領(lǐng)域的急切需要,能應(yīng)用的領(lǐng)域越來(lái)越多,特別是在民用領(lǐng)域更是急速發(fā)展。 近年來(lái),紅外線報(bào)警器已經(jīng)成為報(bào)警領(lǐng)域的一個(gè)熱點(diǎn),由于其采用的是不可見(jiàn)的紅外線探測(cè),所以具有隱蔽性好、安全等特點(diǎn)。紅外線傳感器按機(jī)理不同可以分為光探測(cè)型和熱探測(cè)型。光探測(cè)傳感器是利用光子效應(yīng)的紅外探測(cè)器。這類傳感器響應(yīng)速度快、靈敏度高、檢測(cè)特性好,但需要冷卻,使用不方便。而且器件的檢測(cè)靈敏度與紅外波長(zhǎng)有關(guān)。熱探測(cè)傳感器是利用熱釋電效應(yīng)的紅外探測(cè)器。在接收到目標(biāo)的紅外輻射后溫度升高,溫度的升高又引起傳感器內(nèi)部某些物理量的變化,通過(guò)檢測(cè)物理量的變化來(lái)確定紅外線輻射。這類傳感器在室溫條件下工作,檢測(cè)靈敏度也很高,響應(yīng)速度也很快,而且與紅外線輻射波長(zhǎng)無(wú)關(guān),可探測(cè)功率只受背景輻射的限制,應(yīng)用很方便。本文設(shè)計(jì)的是被動(dòng)式熱釋電紅外探測(cè)器。文中主要論述了熱釋電的原理、熱釋電探測(cè)器的特性、BISS0001傳感信號(hào)處理器、555定時(shí)器組成的多諧振蕩報(bào)警電路等內(nèi)容。最后設(shè)計(jì)完成了熱釋電紅外探測(cè)報(bào)警器的硬件電路。隨著現(xiàn)代家庭用火、用電量的增加,家庭火災(zāi)發(fā)生的頻率越來(lái)越高。家庭火災(zāi)一旦發(fā)生,很容易出現(xiàn)撲救不及時(shí)、滅火器材缺乏及在場(chǎng)人驚慌失措、逃生遲緩等不利因素,最終導(dǎo)致重大生命財(cái)產(chǎn)損失。探討