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1、基于单片机和GSM模块的防火防盗毕业设计外文文献翻译Automatic fire alarm system The traditional electron safe alarm system mainly is through the sensor automatic detection, produces the alarm, sends out the alarm the scene or reports to the police through the special electric near distance, thus causes peoples vigilance. Thr
2、ough many years research and the development, the present alarm apparatus may say is the class is multitudinous. As a result of the alarm apparatchik development and the social each domain anxious need, can application domain be more and more many, specially is overdevelops in the civil domain. In r
3、ecent years, the infrared alarm apparatus already became reports to the police a domain hot spot,because it used was not the obviously infrared acquisition, Hereford the hiding to be good, characteristic and so on security. Infrared sensor is different according to the mechanism may divide into the
4、light survey and the hot survey. The light acquisition sensor is uses the photon effect the acquisition aid. This kind of sensor speed of response quick, sensitive high, the examination characteristic is good, but needs cool, uses not conveniently. Moreover the component examination sensitivity and
5、the infrared wave length concern. The hot acquisition is uses hotly releases the electricity effect the acquisition aid. After receives the goal the infrared misinterpretation increment, the temperature elevates causes the censorial certain physical quantities changes, through examination physical q
6、uantity change definite infrared emission. This kind of sensor works under the room temperature condition,examination sensitivity also very high, speed of response also very quick,moreover has nothing to do with with the infrared emission wavelength, may survey the power only to receive the backgrou
7、nd irradiation limit, the application is very convenient. This article designs atheist passive form hotly releases the electricity infrared acquisition aid. In the article mainly elaborated has hotly released electrician the principle, hotly releases content and so on Malayalam circuit which the ele
8、ctric detector the characteristic,the BISSAU signal processor, 555 timers composed. Finally designed completes has hotly released the electricity infrared detection alarm apparatus the hardware electric circuit. With the modern family use of fire, electricity consumption increases, the frequency of
9、home fires is getting higher and higher. The family of fire, it is easy to fight does not occur promptly, the lack of fire-fighting equipment and the presence of panic-stricken people, to escape unfavorable factors, such as retardation, which eventually led to a significant loss of life and property
10、. Explore the characteristics of the family of fire and fire prevention measures. 1 For the prevention of domestic fires, reducing the fire losses have practical significance. In the modern urban family, because of lot of people do not understand common sense home security caused by fire, so that th
11、e happy family Geog underlined blink of an eye, and some lead to destruction, but the event of household fires, improper disposal, alarm delay is caused so that people should get to know more about the main causes of household fires, master to prevent the fire of knowledge and in case of fire to pro
12、tect his or her own way, timely elimination of The United Kingdom each year more than 50000 families of serious fires, most of them fire casualties and significant loss of household assets, and some result in the neighbors, more heavy fire losses. Investigate the causes of fire in time, the vast maj
13、ority of home fires happen parties said that the fire always feel that things are other people with their own far away, did not think this will happen even in the top of his head. Home fires are the main reason for negligent not to take timely preventive measures .In some of our large and medium-siz
14、ed cities, almost every day family fires, fire prevention is so each family must always pay attention to. If your home based on the actual situation in advance to take simple fire prevention measures, a number of tragedies are entirely avoidable. Automaticfire alarm system is in order to inform the
15、early detection of fire, and take effective measures to control and fight fires, and set in a building or other place of an automatic fire facilities, is that people with a powerful tool to fight the fire. Fire alarm system, fire detectors generally, regional centralized alarm alarm and composition;
16、 also be required under the project with various fire-fighting facilities and communication devices linked to form a central control system. From automatic alarm, automatic fire fighting, evacuation guidance, system process shows that, fire up a complete file management, fire control system. Fire de
17、tectors are fire detection devices, as in the stage of fire will produce smoke with high temperature flame cells. The smoke, heat and light into electrical signals through the detector alarm or automatic fire extinguishing system to start fighting the fire in time. Area where the floor of alarm dete
18、ctor can send the signal into sound and light alarm, and fire on the screen showing the room number; while also monitoring the concentration of certain floors of alarm (if the monitor is located in the building fire Control Center) output signal or control automatic fire extinguishing system. Concen
19、tration of alarm signal is received by way of sound and light show, and the screen also shows the specific fire floor and room number, the plane stopped taking the first alarm clock to record the timing, use of the machine-specific phones, but also quickly to the fire alarm to 2 give directions and.
20、 In addition, you can control the fire extinguishing system or signal transmission to the fire control room. Automatic fire alarm system is by the trigger devices, fire alarm, fire alarm devices and other auxiliary functions of the device with the composition of a button fire alarm system fire alarm
21、 system. It can fire early stages of burning smoke, heat and light radiation and other physical quantities, by temperature. Photographic and other smoke and fire detectors into electrical signals, transmitted to the fire alarm controller, and also shows the site of the fire, the fire record of the t
22、ime. General fire alarm system and automatic sprinkler system, fire hydrant systems, smoke control systems, ventilation systems, air conditioning system, fire doors, fire shutter, smoke screen and other related equipment interaction, automatically or manually issue commands to start the correspondin
23、g device. (A) of the trigger devices in automatic fire alarm system, automatic or manual fire alarm signal devices generate called trigger conditions, including fire detectors and manual fire alarm button. Fire detector is able to fire parameters (smoke, temperature, flame radiation, gas concentrati
24、on, 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, combustible gas detectors and fire detectors five basic types of composite. Different types of fir
25、e 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 component of the. (B) the fire alarm device in automatic fire alarm system to re
26、ceive, 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
27、; detector and the working status of the system itself; the reception, conversion, processing a warning of fire detectors Shuck; Jinxing sound and light alarm; Hashish specific location and alarm time; the same time supporting the implementation of appropriate control and many other tasks. Fire alar
28、m system is a core component. In the fire alarm devices, some devices such as break, regional monitors, fire shows and other functions can not complete disc alarm device, which can be regarded as the evolution of fire alarm controller or supplement. Under certain conditions applied, and the fire ala
29、rm device fire alarm control belong. The basic function of fire alarm contr 3 ol 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, cont
30、rol 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 f
31、rom 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. 输出信号或控制自动灭火系统。集中报警是将接收到的信号以声光方式显示出来，其屏幕上也具体显示出着火的楼层和房间号，
32、机上停走的时钟记录下首次报警时间性，利用本机专用电话，还可迅速发出指示和向消防队报警。此外，也可以控制有关的灭火系统或将火灾信号传输给消防控制室。 火灾自动报警系统是由触发器件、火灾报警装置、火灾警报装置以及具有其它辅助功能的装置组成火灾报警系统按钮的火灾报警系统。它能够在火灾初期，将燃烧产生的烟雾、热量和光辐射等物理量，通过感温。感烟和感光等火灾探测器变成电信号，传输到火灾报警控制器，并同时显示出火灾发生的部位，记录火灾发生的时间。一般火灾自动报警系统和自动喷水灭火系统、室内消火栓系统、防排烟系统、通风系统、空调系统、防火门、防火卷帘、挡烟垂壁等相关设备联动，自动或手动发出指令、启动相应的装
33、置。 (一)触发器件:在火灾自动报警系统中，自动或手动产生火灾报警信号的器件称为触发件，主要包括火灾探测器和手动火灾报警按钮。火灾探测器是能对火灾参数(如烟、温度、火焰辐射、气体浓度等)响应，并自动产生火灾报警信号的器件。按响应火灾参数的不同，火灾探测器分成感温火灾探测器、感烟火灾探测器、感光火灾探测器、可燃气体探测器和复合火灾探测器五种基本类型。不同类型的火灾探测器适用于不同类型的火灾和不同的场所。手动火灾报警按钮是手动方式产生火灾报警信号、启动火灾自动报警系统的器件，也是火灾自动报警系统中不可缺少的组成部分之一。 (二)火灾报警装置:在火灾自动报警系统中，用以接收、显示和传递火灾报警信号，
34、并能发出控制信号和具有其它辅助功能的控制指示设备称为火灾报警装置。火灾报警控制器就是其中最基本的一种。火灾报警控制器担负着为火灾探测器提供稳定的工作电源；监视探测器及系统自身的工作状态；接收、转换、处理火灾探测器输出的报警信号；进行声光报警；指示报警的具体部位及时间；同时执行相应辅助控制等诸多任务。是火灾报警系统中的核心组成部分。在火灾报警装置中，还有一些如中断器、区域显示器、火 6 灾显示 盘等功能能不完整的报警装置，它们可视为火灾报警控制器的演变或补充。在特定条件下应用，与火灾报警控制器同属火灾报警装置。火灾报警控制器的基本功能主要有：主电、备电自动转换，备用电源充电功能，电源故障监测功能
35、，电源工作状态指标功能，为探测器回路供电功能，控测器或系统故障声光报警，火灾声、光报警、火灾报警记忆功能，时钟单元功能，火灾报警优先报故障功能，声报警音响消音及再次声响报警功能。 (三)火灾警报装置:在火灾自动报警系统中，用以发出区别于环境声、光的火灾警报信号的装置称为火灾警报装置。它以声、光音响方式向报警区域发出火灾警报信号，以警示人们采取安全疏散、灭火救灾措施。 消防控制设备:在火灾自动报警系统中，当接收到火灾报警后，能自动或手动启动相关消防设备并显示其状态的设备，称为消防控制设备。主要包括火灾报警控制器，自动灭火系统的控制装置，室内消火栓系统的控制装置，防烟排烟系统及空调通风系统的控制装置，常开防火门，防火卷帘的控制装置，电梯回降控制装置，以及火灾应急广播、火灾警报装置、消防通信设备、火灾应急照明与疏散指示标志的控制装置等控制装置中的部分或全部。消防控制设备一般设置在消防控制中心，以便于实行集中统一控制。也有的消防控制设备设置在被控消防设备所在现场，但其动作信号则必须返回消防控制室，实行集中与分散相结合的控制方式。 (五）电源:火灾自动报警系统属于消防用电设备，其主电源应当采用消防电源，备用电采用蓄电池。系统电源除为火灾报警控制器供电外，还为与系统相关的消防控制设备等供电。 7
