Electro-optical coupler mine sound and light voice alarm manufactured and sold directly by Yankuang Angeli

Product Introduction of Mine Sound and Light Voice Alarm
Mine Sound and Light Voice Alarm Coal Safety Certificate is mainly used in places containing explosive gases underground in coal mines. It is used to provide sound and light at the entrance and exit of transportation tunnels or three-way intersections and bends. Alarm, and can also be used as an audible and visual alarm for shaft hoisting, fork rail indication and curve alarm to ensure work safety.
Structural features of mine sound and light voice alarm
The mine sound and light voice alarm has two cavities in one body, which separates the explosion cavity and the intrinsically safe cavity. The circuit uses an integrated voltage comparator and highly sensitive electro-optical coupling. Device, modular design. The overall layout is reasonable, small in size and light in weight.
The mine sound and light voice alarm has two states, one is the standby state and the other is the alarm state. If the operator operates the button twice or more in succession, the mining sound and light voice alarm changes to the alarm state. During the alarm process, the operator presses the button once, the alarm stops, and the mining sound and light voice alarm changes to the standby state. This device can also be used in tandem with an electric bell at the same time, and the operation method is the same.
Technical parameters of mine sound and light voice alarm
Working voltage and working current
Intrinsic safety parameters
Sound loudness is not less than
Light signal visible distance light signal in the dark visible.
With high-quality and advanced technological products, perfect after-sales service, the company pursues zero-defect product quality, and the business philosophy that customers are always God, it is deeply loved by Yankuang Group, Zikuang Group, Jikuang Group, Qufu Yulon Group, Zaozhuang Mining Group, Shanxi Recognition and praise from new and old customers such as Lu'an Mining Group, Datong Mining Bureau, Shenhua Group, etc. At the same time, we sincerely invite new and old customers to visit us for guidance, discuss cooperation, and create a win-win situation!
Company name Jining Dongda Mechanical and Electrical Co., Ltd.
Business license
Organization code
Opening bank CITIC Bank Jining Branch Sales Department
Account number
Tax ID
br/>Contact Shi Rui
Mobile phone
Landline
Wangwang Dongda Machinery
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