火灾探测器

Fire detection and alarm systems - Part 15: Multisensor fire detectors; Technical Corrigendum 1

火灾探测和报警系统。第15部分：多测头火灾探测器。技术勘误1

Based on the actual experience, discusses how to decide the rational height of the infra-red radiation detector in the huge span steel-building, and it also talks about some advice to the current codes.

结合实际工程实例，阐述在大跨度钢结构建筑中如何确定红外光束火灾探测器的设置高度，并针对现行国家规范相关条文提出建议。

This paper, based on multi information database of smoke aerosol in early fire, concludes and analyzes the inherent ability of forward scatter-type photoelectric smoke detector. A feasible arithmetic disposal technology and an intelligent way for fire detection are proposed, which effectively improves the fire detection and antijamming ability of current forward scatter-type photoelectric smoke detector.

以国家科技部973项目中建立的火灾探测应用环境及火灾信息数据库为依据，对目前使用最为广泛的前向散射型光电感烟探测器固有特性的归纳和分析，通过数据挖掘，提出一种切实可行的算法处理技术和智能判断火灾方法，有效提高了现有前向散射型光电感烟探测器的火灾探测及其抗干扰能力。

Keywords substation;distribution;fire prober ;air collecting prober ;fire automatic alarm system

变电室；配电室；火灾探测器；空气采样探测器；火灾自动报警系统

How at the bigining of the fire alarm send out the information to the police,and in the building that did not establish a fire automatic alarm system ,what kind of fire prober is chosen.

变配电室是维系在建筑物内日常生产、生活正常运行的核心部位，如何在变配电室火警初期，及时准确地发出报警，确保变配电室安全，以及在未设置火灾自动报警系统的建筑物中，针对变配电室设置独立的火灾报警系统，选用什么形式的探测器，本文就此做一粗略的探

Based on the analysis of the urban rail transit system and the risk of fire, and taking into account the fuzzy control theory and neural network technology, this paper primarily conduct research from the fire detectors choice application, fire signal processing methods and other areas.

本文在分析了城市轨道交通系统火灾特点及其危险性的基础上，运用模糊控制理论和神经网络技术，对火灾探测器选择应用，火灾信号处理方法等方面进行了系统的分析研究。

Formerly a fire locator that carry arrives the endmost fire fight mutually the equipments of the connection action the control device, a fire reports to the police automatically the main function of the system is in a fire early on time probe into a fire information, make a noise, the light reports to the police, combining auto or move to start the spot extinguishes fire the facilities.

从前端的火灾探测器到末端的消防联动控制装置，火灾自动报警系统的主要功能是在火灾初期及时探测火灾信息，发出声、光报警，并自动或手动启动现场灭火设施。

The cleaning of fire detectors and the maintenance of fire automatic alarm system are specialistic work with high technicality.

火灾探测器清洗乃至火灾自动报警系统维修是一项技术性极强的专业工作，笔者从国内现状出发，较详尽地阐述清洗维修技术与工艺，结合自身的探索与实践，提出产业化发展策略和途径。

The design methods and key design points of the fire automatic alarm system for construction of metallurgic industry were expounded from selection of system mode,matching of fire detector and alarm control,division of alarm zone and detection zone,function of fire fighting equipment and linkage control requirement,and system wiring.

从系统形式的选择，火灾探测器和报警控制器的选配，报警区域和探测区域的划分，消防控制设备的功能和联动控制要求，以及系统布线等方面系统阐述了冶金工业建筑中火灾自动报警系统的设计方法和设计要点。

Dynamic smoke aerosol of five European standard test fire,including open wood fire(TF1),smoldering cotton fire(TF3),polyurethane fire(TF4),N-heptan fire(TF5),and methylated spirits fire(TF6),was measured by Scanning Mobility Particle Sizer Spectrometer,and smoke particle size distribution and particle number concentration were recorded and analyzed for studying the smoke dynamic coagultion effect.

结果表明，在火灾探测器做出响应之前，正庚烷明火的烟颗粒粒径主要分布在100~500 nm，木材和聚氨酯明火及棉绳阴燃的是50~400 nm。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。