关于气体灭火系统的工作动作顺序，很多用户可能有些不是很清楚，今天川消小编给大家梳理一下各种部件的动作顺序，以便大家能够更深刻的理解气体灭火系统的工作原理。

Many users may not be very clear about the operation sequence of the gas fire extinguishing system. Today, Chuanxiao Xiaobian will sort out the operation sequence of various components so that you can have a deeper understanding of the working principle of the gas fire extinguishing system.

一、气体灭火系统启动方式有三种：自动启动、人工电气启动和机械应急操作。

1、 There are three startup modes of gas fire extinguishing system: automatic startup, manual electrical startup and mechanical emergency operation.

二、气体灭火系统自动启动分为有人防护区和无人防护区，具体动作拆分如下：

2、 The automatic startup of the gas fire extinguishing system is divided into the manned protection area and the unprotected area. The specific actions are divided as follows:

（一）有人防护区：

（1） Manned protection area:

1、发生火情，防护区内路探测器（多为感烟）发送信号气体灭火控制器后，气体灭火控制器启动防护区内的火灾声光警报器，同时气体灭火控制器向消防联动控制器反馈报警信号。此时的声光警报器会提示防护区内人员火情发生，可以进行确认火灾或者紧急逃生，但并不会启动气体灭火装置；

1. In case of fire, after the first detector (mostly smoke detector) in the protection area sends a signal to the gas fire extinguishing controller, the gas fire extinguishing controller starts the fire audible and visual alarm in the protection area, and the gas fire extinguishing controller feeds back the alarm signal to the fire linkage controller. At this time, the audible and visual alarm will prompt the personnel in the protection area that there is a fire, which can confirm the fire or emergency escape, but will not start the gas fire extinguishing device;

2、若此时无人干预，火情扩大，第二路探测器（多为感温）感应火灾之后，防护区外的声光警报器立刻响起，且此时已经可以确定火灾确实发生了，那么气体灭火系统准备启动，系统进入30s延时阶段，在延时阶段，人员进行继续疏散，并且系统会为气体喷放作一些准备工作比如：

2. If no one intervenes at this time, the fire expands, and the sound and light alarm outside the protection area rings immediately after the second detector (mostly temperature sensitive) senses the fire, and it can be determined that the fire has indeed occurred, then the gas fire extinguishing system is ready to start, and the system enters the 30s delay stage. In the delay stage, people continue to evacuate, and the system will make some preparations for the gas discharge, such as:

1）关闭防护区域的送（排）风机及送（排）风阀门：

1) Close the air supply (exhaust) fan and air supply (exhaust) valve in the protection area:

2）停止通风和空气调节系统及关闭设置在该防护区域的电动防火阀；

2) Stop the ventilation and air conditioning system and close the electric fire damper set in the protection area;

3）联动控制防护区域开口封闭装置的启动，包括关闭防护区域的门、窗；

3) Linkage control the opening closing device of the protection area to start, including closing the doors and windows of the protection area;

3、经过30s的准备阶段，该关闭的关闭，人员该疏散的疏散，那么接下来系统控制气体进行喷放实施灭火。

3. After 30 s of preparation, if the shutdown is closed and the evacuation is completed, then the system controls the gas to spray and extinguish the fire.

（二）无人防护区

（2） Unprotected area

作为无人防护区来说，相对“有人防护区”控制就不需要考虑人员疏散的过程，因此在防护区内路探测器信号感应到火灾之后，就会立刻执行关阀、关门、关风机的动作指令，当第二路探测器探测到火灾之后，就立刻执行开启选择阀等后续操作。

As an unprotected area, the control of "manned protection area" does not need to consider the process of personnel evacuation. Therefore, after the first detector signal in the protection area senses a fire, it will immediately execute the action instructions of closing the valve, closing the door and closing the fan. When the second detector detects a fire, it will immediately execute the follow-up operations such as opening the selector valve.

二、手动启动

2、 Manual start

手动紧急启动可以通过两种方式实现，一种是防护区外的“紧急启动”按钮启动，另一种可以通过气体灭火控制器上的手动控制按钮，控制启动。在该状态下，探测器发出火灾信号，控制主机启动室内、外声光报警器，通知火灾发生，但并不启动灭火系统。此时按下防护区外或控制器上的“紧急启动”按钮，可以启动灭火系统，启动灭火系统释放灭火剂，实施灭火。

Manual emergency start can be realized in two ways, one is by pressing the "emergency start" button outside the protection area, and the other is by pressing the manual control button on the gas fire extinguishing controller. In this state, the detector sends a fire signal, and the control host starts the indoor and outdoor audible and visual alarms to notify the fire, but does not start the fire extinguishing system. At this time, press the "emergency start" button outside the protection area or on the controller to start the fire extinguishing system, start the fire extinguishing system to release the extinguishing agent and put out the fire.

三、机械应急手动启动

3、 Mechanical emergency manual start

用于火灾报警控制系统失效时，当自动和手动紧急启动均失效时，当值守人员判断为火灾时，应立即通知现场所有人员撤离现场，在确定所有人员撤离现场后，可按以下步骤实施机械应急操作：

When the fire alarm control system fails, when the automatic and manual emergency starts fail, and when the on-duty personnel judge that there is a fire, they shall immediately notify all personnel on site to evacuate from the site. After all personnel are confirmed to evacuate from the site, the mechanical emergency operation can be carried out according to the following steps:

1）手动关闭联动设备，并切断电源；

1) Manually turn off the linkage equipment and cut off the power supply;

2）拔出相应防护区启动瓶电磁驱动器上的“机械应急启动保险销”，按下机械应急启动按钮，电磁驱动器打开启动瓶释放启动气体，启动气体灭火系统。

2) Pull out the "mechanical emergency start safety pin" on the electromagnetic driver of the starting bottle in the corresponding protection area, press the mechanical emergency start button, and the electromagnetic driver will open the starting bottle to release the starting gas and start the gas fire extinguishing system.

注意：此方法预制式灭火系统操作有一定的危险性，需要通过培训人员才可操作。

Note: the operation of prefabricated fire extinguishing system in this method has certain risks, which requires professional training personnel to operate.

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