Smoke alarm, namely fire smoke alarm, smoke sensor, smoke sensor, etc.Generally, the independent, physical product battery power supply, or AC power supply battery is a spare of power. It can emit sound and light instructions when ready -made alarm, which is called an independent smoke alarm.
Smoke alarm manufacturer
1. Shenzhen Yongchang Da Electronics Co., Ltd. described: Shenzhen Yongchangda Electronics Co., Ltd. is mainly engaged in anti -theft alarm system, automatic fire alarm control system, smoke (fire) detector, industrial explosion -proof detector series.The companys main products: home gas alarm; home smoke alarm; GSM anti -theft alarm; water level alarm; intelligent anti -theft alarm.Tel: 86075561512386-8006 Address: Fourth Floor, Building A, Building A, Houting, Shajing, Baoan District 2. Kunshan Huizhi Electronics Co., Ltd. described: Kunshan Huizhi Electronics Production and Supply Various gas alarms, smoke alarm shells and smoke adding smoke smokeHeating test device, heating test device, sound light alarm, home alarm, alarm bell, air deficiency indicator.The companys main products: police bells; sound light; add smoke test device; fire hydrant test water testing device.Tel: 86051255163280 Address: No. 148, Kangzhuangzhi Road, Town, Kunshan City, Jiangsu Province
Smoke alarm price
The price of the smoke alarm is about 10 yuan.
How to close the smoke alarm
Without smoke, it will naturally turn off.If you want to turn off the smoke alarm in a controllable time, turn off the power directly or pull out the battery.
Smoke alarm principle
The principle of smoke alarm is based on the phenomenon of the colloid, and smoke is a kind of gas solution.The direction of light in the head is vertical and the direction of the light -sensitive component. Usually, the light does not illuminate the optical component. When the smoke enters the inductive head, due to the scattering of the light to the light, the light is illuminated to the alarm line to the alarm line.

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