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1、火灾自动报警系统毕业论文中英文资料外文翻译文献火灾自动报警系统 中英文资料外文翻译文献 Automatic fire alarm system The traditional electron safe alarm system mainly is through thesensor automatic detection, produces the alarm, sends out the alarmfrom the scene or reports to the police through the special electriccable near distance, thus cau
2、ses peoples vigilance. Through manyyears research and the development, the present alarm apparatus maysay is the class is multitudinous. As a result of the alarm apparatusrapid development and the social each domain anxious need, can theapplication domain be more and more many, specially is rapidlyd
3、evelops in the civil domain. In recent years, the infrared alarmapparatus already became reports to the police a domain hot spot,because it used was not the obviously infrared acquisition, thereforehad the hiding to be good, characteristic and so on security. Theinfrared sensor is different accordin
4、g to the mechanism may divideinto the light survey and the hot survey. The light acquisition sensor is uses the photon effect the infraredacquisition aid. This kind of sensor speed of response quick, thesensitivity high, the examination characteristic is good, but needs tocool, uses not conveniently
5、. Moreover the component examinationsensitivity and the infrared wave length concern. The hot acquisitionsensor is uses hotly releases the electricity effect the infraredacquisition aid. After receives the goal the infrared radiationtemperature increment, the temperature elevates causes the sensorin
6、terior certain physical quantities changes, through examinationphysical quantity change definite infrared emission. This kind ofsensor works under the room temperature condition, examinationsensitivity also very high, speed of response also very quick,moreover has nothing to do with with the infrare
7、d emission wavelength, may survey the power only to receive the background radiationthe limit, the application is very convenient. This article designs isthe passive form hotly releases the electricity infrared acquisitionaid. In the article mainly elaborated has hotly released theelectricity the pr
8、inciple, hotly releases content and so on manyalarm circuit which the electric detector the characteristic,the BISS0001 signal processor, 555 timers composed. Finallydesigned completes has hotly released the electricity infrareddetection alarm apparatus the hardware electric circuit. With the modern
9、 family use of fire, electricity consumption increases, the frequency of 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 ret
10、ardation, which eventually led to a significant loss of life and property. Explore the characteristics of the family of fire and fire prevention measures. For the prevention of domestic fires, reducing the fire losses have practical significance . In the modern urban family, because of lot of people
11、 do not understand common sense home security caused by fire, so that the happy family Goog leruined 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 fir
12、es, master to prevent the fire of knowledge and in case of fire to protect 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 h
13、eavy fire losses. Investigate the causes of fire in time, the vast majority 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 t
14、o take timely preventive measures .In some of our large and medium-sized 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 ent
15、irely avoidable. Automatic fire alarm system is in order to inform the 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
16、 detectors generally, regional centralized alarm alarm and composition; 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
17、 that, fire up a complete file management, fire control system. Fire detectors 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
18、 to start fighting the fire in time. Area where the floor of alarm detector 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 Cente
19、r) output signal or control automatic fire extinguishing system. Concentration 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-specif
20、ic phones, but also quickly to the fire alarm to give directions and. 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
21、 device with the composition of a button fire alarm system fire alarm 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 cont
22、roller, and also shows the site of the fire, the fire record of the time. 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 corresponding device. (A) of the trigger devices in automatic fire alarm system, automatic or manual
