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    防火卷帘门的自动控制方式
    来源:http://www.jnjqjc.com   时间:2017-4-25 16:24:52
    防火卷帘门的自动控制方式:
      The fire shutter automatic control mode:
      车库门的信号源来自防火卷帘门一侧或二侧顶棚上设置的感烟和感温火灾探测器,将采集到的信号送至联动控制盒,联动控制盒输出执行信号至防火卷帘门控制箱,控制防火卷帘门升降。
      The signal generator from the fire shutter side of the garage door or the roof of the two sides set of smoke and heat detector, the collected signal is sent to the linkage control box, linkage control box of the output signal to the fire shutter control box, control fire shutter.
      设在高层写字楼、住宅楼电梯前室的防火卷帘门,其走道一侧火灾发生的可能性较前室和楼梯间要大得多。因此,可以考虑在防火卷帘门的走道侧安装一对感烟、感温火灾探测器,而在电梯前室内侧只安装一只感烟探测器。卷帘门内外两只感烟探测器为“或门”关系,任意一只接受到烟雾时都会使伸缩门下降距地1.8m。如果电梯前室和疏散楼梯之间的防火门也为卷帘门时,在前室内也应安装一对感烟、感温火灾探测器,控制楼梯口卷帘门升降,而楼梯间就不必层层设探测器了。
      In high-rise office buildings, residential buildings of the elevator room fire shutter, the possibility of the aisle on one side of the fire room and stair well earlier is much larger. Therefore, consider on the aisle side of the fire shutter installed a pair of smoke, heat detector, and in front of the elevator interior side only install a smoke detector. Book door inside and outside two smoke detector for "or" relationship, either to accept to smoke will only make telescopic door fell from 1.8 m. If the elevator room and evacuation stair between fire doors for shutter, in the interior also should install a smoke, heat detector, to control the stairs doors lifting, and don't need to layer upon layer is set between the probe the stairs.
      当某一防火分区直线段需多台卷帘门分隔时,好将三台以下作为一个部位对探测器进行编码,任何一对探测器接受到信号后,三档门同时下降。此时,只需一只联动控制盒控制其中一台卷帘门,而将其余几台卷帘门控制箱内的自动控制线,并联于联动控制盒直接控制的卷帘门控制箱内。如果同时启动的卷帘门超过三台,起动电流较大,中间继电器及主电源控制开关、导线都要相应加大,是很不经济的。同时,一组带的设备太多,故障点也多,难以及时排除。在某一防火分区直线段的一条防线上,分组下降是不会影响防火功能的。
      When a fire zone straight segment to more than one book door when space, it is best to three the following code as a part of the probe, after receiving signal any pair of the detector, three doors down at the same time. At this point, just a linkage control box control with a book door, and the rest will be a few shutter control in the automatic control line, parallel to linkage control box directly control shutter control box. If I start rolling door at the same time more than three units, large starting current, intermediate relay and the main power supply control switch, wire will increase accordingly, it is not economic. At the same time, a group of equipment with too much, fault point also, more difficult to rule out in a timely manner. In a line segment on a line of defense, fire partition packet drop will not affect fire prevention function.
      因为,烟雾的扩散速度很快,在组卷帘门下降后,如果火势未能控制住,烟雾会继续扩散到第二组卷帘门上空,使第二组感烟探测器动作,第二组卷帘门下降。防火卷帘门第二步下降到底的控制信号由相应部位的感温探测器控制。
      Because, smoke spread quickly in the first set of doors after falling, if the fire is not under control, the smoke would continue to spread over a second set of doors, make a second set of smoke detector, a second set of doors down. Fire shutter second step down to the end of the control signal is controlled by the corresponding parts of a thermal detector.