Smoke detector tester

• Main Authors: LI CHANGHONG, MENG FANYAO, LIU JIAN, LI GUOLIANG, ZHU QINGLI, SHI FENG, DU JIANWEN, LI WEIHE, ZHANG WENBIN, NI LI, GAO SONG, SHAO JIAN, XIA WENHUA, CHENG KUAI, WANG JIANJUN, LIU NA, HAN HAO, LI YUQI, LIU GUANGHUI
• Format: Patent
• Language: Chinese; English
• Published: 08.05.2020
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a smoke detector tester. The smoke detector tester comprises a shell, a handle and a vacuumizing bottle, a handle mounted by a screw is arranged at the top of the shell; the vacuumizing bottle is positioned on one side of the shell; wherein a spraying unit, a smoke unit and a control driving unit are arranged in the shell; the spraying unit comprises a micro plunger pump and a high-pressure cavity barrel; an outlet of the micro plunger pump is connected with the high-pressure cavity cylinder; external air is pressurized by the miniature plunger pump and then is fed intothe high-pressure cavity cylinder; an air outlet pipe is welded on the high-pressure cavity cylinder; an external thread is arranged at the tail end of the air outlet pipe, the nozzle is in threadedconnection with the air outlet pipe, the smoke unit is an electric heating atomization cavity, atomized smoke enters the high-pressure cavity cylinder, the control driving unit is a ceramic thermosensitive heating control circ