Product Details
Mining explosion-proof and intrinsically safe communication acousto-optic signal manufacturer Signal manufacturer, mining acousto-optical signal price, Dongda Group sales hotline: Manager Zhao.
# Overview of mine explosion-proof and intrinsically safe communication audible and optical annunciator:
#Mining explosion-proof and intrinsically safe communication audible and optical annunciator (hereinafter referred to as: annunciator) is mainly used in workplaces containing coal dust and explosive gases in coal mines. It is suitable for use in coal mine inclined tunnel lifting belt transportation, etc. for signal communication. It can also be used as a direct telephone between the winch room and the wellhead. Carrier intercom communication is realized through power connection. The sound and light signal is realized by a mine-type moisture-proof speaker and a high-brightness light-emitting diode. Dongda Group sales hotline: Manager Zhao.
# Mine explosion-proof and intrinsically safe communication sound and light signal device usage environment:
#) Ambient temperature: ℃～+℃
#b) Average relative humidity: &;﹪(+℃)
#) Atmospheric pressure: ~
#) Place of use : Underground coal mines with explosive mixtures of methane and coal dust but no corrosive gases that damage insulation.
# Features of mining explosion-proof and intrinsically safe communication audible and optical annunciator:
#,) This product is simple to wire, easy to maintain and easy to use; Dongda Group sales hotline: Manager Zhao.
#b) Communication adopts frequency modulated power carrier, which has strong anti-interference ability and long transmission distance and good communication effect.
#. The product movement is encapsulated in epoxy to prevent moisture and vibration and has a long service life.
#. Signal sending: Press the R&D send button in the explosion-proof cavity of this station to send audio contact signals (R&D) to this station and all connected stations.
#. Signal reception: Each connected station can receive the signal sent by any station through the power line carrier, emit a B sound signal through the speaker, and emit a light signal visible within meters through the light-emitting diode.
#. Simplex intercom: This annunciator achieves simplex intercom communication through the power line carrier without changing the existing coal mine explosion-proof signaling device and power wiring method. Function.
Mining explosion-proof and intrinsically safe communication audible and optical annunciator manufacturer
#Main technical parameters of mining explosion-proof and intrinsically safe communication audible and optical annunciator:
#The working voltage is: working current: &;. Dongda Group sales hotline: Manager Zhao.
#The voltage fluctuation range is %~% of the rated voltage.
# Loudness: no less than B.
#Call sound level: no less than B.
#The signal communication distance between the two stations is &; meters.
#Light signal: The light signal is red and the signal intensity is visible in the dark.
#Intrinsically safe parameters: Intrinsically safe working voltage: Intrinsically safe high current:
#Mining explosion-proof and intrinsically safe communication audible and optical annunciator operation Principle:
#, working principle
#, function of sending sound and light signals Dongda Group sales hotline: Manager Zhao.
#As shown in the figure##, B# is the power terminal and # is the signal connection terminal. Press the dotting button and all connected stations # and B# terminals will form a power loop through the optocoupler. When the integrated block is powered on, it sends out a sound signal to the speaker, lights it up, and sends a carrier sound and light signal through the power line.
#b. Receiver function:
#Receiver integrated block#The power supply is obtained through transformer B when the call is not pressed When the button is pressed, the receiving integrated block has power. The sound and light signals sent by other stations pass through the power carrier through the coil and coupling of transformer B. The audio signals induced are amplified and sent to the speaker to realize the receiving function.
#. Simplex communication function:
#Press the call button#The sound of the call is sent through the microphone. The amplified audio signal passes through the transformer B and the audio signal induced by the coupling coil is sent to other stations through the power line carrier to realize the simplex communication function.
Contact person: Xiao Zhao of Dongda Group
Contact number:
Jining Dongda Mechanical and Electrical Co., Ltd.
Manufacturer of mining explosion-proof and intrinsically safe communication audible and optical annunciators< br/>#
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