mining acoustic and optical sound alarming device adopts the latest large-capacity voice chipa,the voice is loud and clear
mining acoustic and optical sound alarming device is a warning signal used in the coal mine roadway turnning and cross to remind the wiring motor drivers and pedestrians ,as well as in the equipments needing voice warning and working status warning. The function features adopts the latest large-capacity voice chips ,the control circuit adopts non-spark electronic switch and uses proximity as sensors ,water-proof ,explosion-proof ,reliable performance ,easy installation ,long life span and low failure rate. Technical parameters containing:a.power voltage AC127V; b.the maximum output opening circuit voltage DC12v+0.5v;c.the distance of advertiser and trigger from the main chassis low than 150 meters ;d.light flicker frequency 30times per minute;e.light visibility distance low than 110 meters ;f.sound output power0~5w.
Huainan Wantai Electric Co., Ltd. integrates the development, production, sale and service of coal mine.
Our company has 500 employees, including 20 high grade engineers and 46 engineers. Our company has attained ISO9001 quality system certification. The management is standard. The production is all ready. The examination method is first class, and the structure of production is convenient. Our products are related to every step of mining production. In these years, our annual output and ... View detail