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４ＪＴＹ－ＧＤ－７７１地址编码光电感烟火灾探测器肖文明，汪凯军，齐秀芬ＪＴＹ－ＧＤ－７７１地址编码光电感烟火灾探测器是利用烟对红外光线的散射来探测火灾初期材料阴燃阶段产生的烟雾，从而达到火灾报警的目的。光电感烟火灾探测器的工作原理图如图１所示。当无烟...
4JTY-GD-771 Address Code Photoelectric Smoke Detector Xiao Wenming, Wang Kaijun, Qi Xiufen JTY-GD-771 address code photoelectric smoke detector is the use of smoke on the infrared light scattering to detect the initial stage of smoldering fire material smoldering phase Of the smoke, so as to achieve the purpose of fire alarm. Photoelectric smoke detector works as shown in Figure 1. When smokeless ...