【 Weak current College 】 fire auto-alarm system and intelligence system linkage

With the rapid development of China's national economy, fire-fighting system of relative lag have seriously hindered the development of our national economy. With our wide range of industries with rapid intelligence, such problems are becoming more and more prominent. Therefore, stressed that the fire alarm system into construction intellectualization system, improve building automation level, meet the current through building automation technology to realize more higher requirements need to be consistent with the trend of development of the world, is also the current development of a pressing issue. This article on fire auto-alarm system and intelligent system of interaction of the elaborated design stage height consider these two systems need linkage function.

Keywords: fire auto-alarm system intelligent system linkage

In many building intelligent materials, fire protection system (mainly refers to the fire alarm system) are building a system of intelligent, and fire alarm system has made a detailed analysis of technical performance requirements. But in our country, due to macroeconomic policies and trade management, fire protection system is always a need for independent of other weak electricity system of systems approach, not stressed to participate in building intelligent. This approach not only helps our fire alarm system with very good operating environment; on the other hand, due to the fire alarm system aspects concern other than not enough, more or less certain sealing, is not conducive to fire electronic industry more broadly expanding development prospects, and building intelligent systems and other systems. In fact, because of the complexity of the fire-fighting system, and other systems (such as electric power system, air-conditioning systems, etc.) all have more or less contact. With the rapid development of China's national economy, fire-fighting system of relative lag have seriously hindered the development of our national economy. With our wide range of industries with rapid intelligence, such problems are becoming more and more prominent. Therefore, stressed that the fire alarm system into construction intellectualization system, improve building automation level, meet the current through building automation technology to realize more higher requirements need to be consistent with the trend of development of the world, is also the current development of a pressing issue.

First of all, on fire auto-alarm system control mode for analysis

Thanks to national fire management strength, fire alarm system has a mandatory national standard, and force all through ISO900 certification, the manufacturer's product difference is not great. Fire alarm system of the core idea is to alert zone of any perception of a fire in a timely manner, and in accordance with their respective alarm level in the control center to give the alarm or make the appropriate linkage processing. Therefore, the fire alarm system consists of sensors, actuators, controllers and control network.

According to the needs of the site, the fire sensor is primarily a smoke detector and heat detector, and Flame detectors, etc.; distinguished from detection principle, can be divided into Ionic, photoelectric, red appearance; from the electronic principle, can be divided into switching signal, analog-and intelligent. All these sensors on site information collection, and add the collected after analysis (intelligent probes) signal (normal or fire) by fire to the dedicated transmission network controller transfer summary. Get fire report, prepared in accordance with prior controller programs take the necessary measures, in addition to their fire the links between the various subsystems, and fire-related other system for detection and control linkage. At this time, the intelligent controller through the control network for fire shutter doors, elevators, fire pumps, fire extinguishing gas system, electric doors, smoke exhaust fan, Central a/c, power distribution systems linked to various linkage command issued equipment to enable the timely control fires and to maximize the protection of the safety of evacuation, to minimize the loss. Fire Smart controller is the entire fire auto-alarm system core, it detects the entire control of individual devices on the network (sensor, actuator, monitor, etc.), and depending on the circumstances, to obtain data to be aggregated, logging, analysis, calculations, and can it display interface and times out the location of the fire, the fire spread as well as fire-fighting measures have been taken, so that staff can keep abreast of the situation and take appropriate measures in a timely manner.

From the top, as fire-fighting system in the action when the fire broke out, the fire auto-alarm the complexity of the system and other building automation systems linkage requirements has been in existence, in practice already exist.

Currently this needs a simple controller to achieve, but due to the simple structure of the controller, and through the fire transmission network transmission mode single, its operation stability, maintainability, less than ideal, usually on the system of linkage feature walkthrough on other systems are large.
Secondly, from the point of view of investment costs

Although the fire alarm system contains a lot of detection point, control points, but its investment cost has been reduced to a reasonable extent, because of the effect: on one hand by status, fire alarm system structure is a single, lower product development costs; on the other hand, the fire alarm system as only consider this system of data processing, the amount of data transferred is relatively small, the transport protocol is simple, can be used in a transport network connecting more sensors, controllers, effectively reducing the fire alarm system equipment of production costs. Automatic fire fighting system most investment is to appear in the on-site equipment, control networks and intelligent controller in the entire project investment share is relatively low. So, when the fire alarm system commissioning is a corresponding reduction of the workload. Although you really have a compact, low cost advantages, but fire auto-alarm system extension not strong. From the fire alarm system of an overall analysis, and external joined General needs from its intelligent controller to achieve. Currently, all manufacturers provide intelligent controller General can provide RS232 interface (more senior also offers RS485 interface). At this point, other system controller can directly use the RS232 interface and intelligent controller to join. Addressing the technical implementation of fireDisaster alert system and intelligence system linkage, also provides a low cost of fire alarm system and intelligence system linkage.

Finally, from technology development trends

Intelligent systems in the world to network cabling and bus system control, fire alarm systems also inevitably follow the trend of world technology development, fire alarm systems to networked direction, along with building intelligent degree of increase, to building intelligent systems linkage direction, thereby reducing the cost of achieving the objectives and the technical difficulty.

According to the above points, we can know fire fire alarm system is not just building intelligent systems in a subsystem, and the existence and other construction intellectualization system linkage realities demand. From a technical perspective, the cost of addressing demand is not difficult, for building intelligent systems designs, you should take into consideration fire fire alarm system and other construction intellectualization system linkage function, resulting in the design stage to solve the problem.