What is the function of remote station alarm device?

What is the function of remote station alarm device? Alarm signals include alarms, flashlights, flashing sticks, anti-collision barrels and other devices.

Common alarm signal devices include monitoring systems, alarm bells, and one-button alarm systems in banks and supermarkets. The alarm controller is a control device connecting the automatic fire detection system or the fire detector and the automatic sprinkler system.

The basic functions of the alarm controller mainly include three parts, as shown in Table 5- 13.

Standard 3 alarm controller basic function table 5- 13

According to different functions and system applications, alarm controllers can be divided into two types: wet system alarm controller, rain system alarm controller and pre-action system alarm controller.

Wet system alarm controller

The alarm controller of wet system is an electrical device for alarm control of large-scale wet system or multi-area wet system. It can indicate the spraying position, the opening of wet valve, the opening and closing state of main control valve, the water level of water tank, the system water pressure and the alarm state, and control the start of fire pump. Its working principle block diagram is shown in Figure 5-2 1.

Figure 5-2 1 wet system alarm controller

Alarm controller for rain and pre-action system

The control functions of the rain and pre-action system include: automatic fire detection and alarm, automatic start of deluge valve and fire pump. The alarm controller is an electrical control device that realizes and unifies two functions, and its working principle block diagram is shown in Figure 5-22.

Figure 5-22 Alarm controller of rain and pre-action system

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