Fire alarm
نظام انذار حريق المعنون – شركات انظمة حريق ثورن للمحلات – تركيب انذار حريق ثورن للشركات – تركيب حريق ثورن فى مصر - اسعار لوحات انذار حريق thorn– لوحات أنذار حريق thorn– شركات انذار حريق hst لوحات – اسعار لوحات انذار حريقhst 2019
افضل انواع لوحات انذار حريقthorn– افضل شركات انذار حريق thorn فى مصر– سعر لوحات انذار حريق thorn – انواع لوحات انذار حريق thornشركة انذار حريق thorn في التجمع الخامس – صيانة انذار حريق thorn فى القاهرة – صيانة لوحات انذار حريق thorn فى مصر – انذار حريق thorn للشركات-شركات لوحات انذار حريقthorn – لوحات انذار حريق–برمجة لوحات انذار حريق – شركات انذار حريقthorn فى القاهرة
Fire alarm system is one of the most important factors to save lives and reduce the material losses in the establishment or factory or building and be the specialty of the security department of the company to follow up the alarm and the purpose of the alert.
Characteristics and benefits of fire alarms
It is a device that emits a sound warning (noise) when a fire occurs. In order to evacuate the area of the fire in preparation for extinguishing the fire. The fire detection system is operated either manually or automatically
Manual alarm
1 - The purpose of fire alarm systems: - The main purpose of these systems: is the speed of response to the fire and then turn this early response to an audio and visual signal to alert the individual or group of individuals in the building or place or the center of relief or fire that there is a fire in the stages Early.
2 - Alarm systems: Alarm systems detect and control the fire and divided into two systems: A - The conventional system Conventional System: It is the system that depends on the set of reagents linked to each other in a given area of warning on this area through which the security man moves in this region And discover the location of the fire.
B - Addressable System: A system that depends on the set of reagents linked to each other in the region takes the numbers and names of places where the detector is so that when a fire appears on the control panel shows the statement of the detector number and the name of the area and the time of the fire.
Control panel for fire systems:
- Control the system and feed it with the necessary efforts and control its work where it reaches the alarm from detectors and operates bells, bridges and signs of the statement. - Sound and visual warning is given when the fire occurs and the area of its occurrence is determined. - Operates with the city's electrical current (220 V 50 Hz) and equipped with backup batteries that work automatically in case of power failure and a charging device that charges the batteries when the current back. - Self-testable and audible alarm in the event of a malfunction in the motherboard or in any part of the system components or in case of power failure or separation of batteries. - Equipped with a key to give a general warning to evacuate the site. - Equipped with a set of "Rbhalihat" to stop the air conditioners and disconnect the power supply.
Reagents of combustion products:
- Combustion product detectors include a set of devices called Fire Detection. The operating system of these reagents has been designed to operate when detecting one of the four main combustion products:
- Ionized gas detectors (invisible combustion products) - Smoke d