KXY12 mining intrinsically safe explosion-proof loudspeaker
The KXY12 mining intrinsically safe main loudspeaker is a specialized product loudspeaker for the coal mining, metallurgy, and mining industries
Product Overview
The KXY12 mining intrinsically safe main loudspeaker is a specialized product for the coal mining, metallurgy, and mining industries. It is suitable for use in underground mine walkways, parking lots, rest rooms, and other locations. In the event of an emergency underground, it guides personnel to evacuate safely. On a daily basis, it provides music and safety knowledge education for underground workers.
Safe and reliable
Certifications such as coal safety certification, explosion-proof certification, and security engineering enterprise qualification certification are available. Equipped with a stainless steel 304 explosion-proof shell, it is suitable for use in hazardous environments such as underground mines.
The sound quality is clear
The loudness of the sound system is ≥85dB, with a distortion level of ≤10%. The frequency response is not greater than ±6dB within the range of 350Hz to 3000Hz. The broadcast call quality is high, ensuring excellent sound quality.
powerful
It can achieve simultaneous transmission of multiple sets of programs; broadcast different content simultaneously in different areas; and the upper computer can realize manual, timed, and loop playback without manual intervention.
Working Principle
Power supply and voltage stabilization
After the built-in battery pack is charged, the power circuit outputs a regulated power supply to the power amplifier circuit and the drive circuit, ensuring stable operation of the equipment in the underground environment.
Audio output and amplification
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The audio signal is processed by the audio codec and driver circuit, amplified by the power amplifier circuit, and then drives the loudspeaker to output clear audio, completing the sound wave conversion.
Microphone audio input and upload
The microphone collects audio signals, which are transmitted to the host computer for processing through the microphone audio output circuit, enabling bidirectional communication and data feedback.
Structural Composition
shell
Stainless steel 304 explosion-proof material; High temperature resistance, corrosion resistance, explosion-proof, dust-proof, and waterproof; Suitable for all types of explosion-proof environments.
speaker
High-efficiency communication function; High-quality audio broadcasting; Call and answer functions.
network transformer
Enhancing the signal enables longer image transmission distance; The chip is isolated from the outside environment, providing strong anti-interference capabilities; The protective effect on the chip has been enhanced.
Mine power supply
Continuous and stable power supply, with backup power supply; Flameproof and intrinsically safe, dual explosion-proof; Overvoltage, overcurrent, and short circuit protection.
Project Case
Guonuo weighing equipment has been successfully applied to multiple domestic and foreign enterprises and has gained widespread recognition
Shanxi Honghaifu Mining Equipment Explosion-Proof Belt Scale Project
Based on the site conditions, an ICS-17A belt scale frame was configured, which is a four-idler double-lever type frame with high stability. The sensors are built-in and less prone to damage, effectively mitigating the impact of belt misalig
Fengning Jianyu Iron Mine ICS-17A Belt Weigher Project
The ICS-17A belt weigher adopts a four-idler double-lever scale frame, ensuring high stability and good resistance to eccentric loading.
Shanxi Honghaifu Mining Equipment Explosion-Proof Belt Weigher Project
The measurement accuracy of the explosion-proof belt weigher met production requirements, and data could be viewed remotely. Production reports facilitated statistical analysis and management.
Hubei Jingshan Chutian Barium Salt Feeder Project
The feeder's metering and feeding accuracy fully met production requirements and remained stable during prolonged continuous production.
Production Process
Guonuo Technology adopts internationally leading production processes and equipment to ensure stable and reliable quality
Explosion-proof safety certification
It adopts a stainless steel 304 explosion-proof shell, which has passed the coal safety certification, explosion-proof certification, and security engineering enterprise qualification certification, meeting the safety protection needs in hazardous environments such as mine gas and dust.
High-fidelity audio processing
The loudness of the audio system is ≥85dB, with a distortion level of ≤10%. The deviation within the frequency response range of 350Hz to 3000Hz is ≤±6dB. Combined with acoustic optimization algorithms, the clarity and sound quality of underground broadcast conversations are ensured.
Multi-channel intelligent broadcast control
It supports parallel transmission of multiple sets of programs and differentiated broadcasting in different regions. The upper computer integrates manual, scheduled, and loop playback modes, achieving fully automated operation without manual intervention.
Long-distance lossless transmission
Through Ethernet electrical/optical port bus-type cascade communication, using signal lossless compression technology, the transmission distance can reach up to 10km, ensuring zero distortion of audio signals.
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Guonuo Technology, as a manufacturer of mine explosion-proof electrical equipment and industrial weighing and metering devices, leverages its extensive experience, technical prowess, and meticulous attention to detail to introduce a mine exp
Sustainable Development Commitment
Guonuo Technology integrates the concept of sustainable development into the weighing industry, committed to balancing resource development and environmental protection
Environmental protection
- Invest 200 million yuan to build a mine water treatment system, with a water recycling utilization rate of 95%
- Adopting a closed coal transportation system to reduce dust emissions by over 80%
- Implementing the mine land reclamation plan, 1200 acres of vegetation have been restored
social responsibility
- Provide over 500 job opportunities for the surrounding communities of the mining area
- Invest in the construction of 3 Hope Primary Schools and 2 Community Medical Centers
- Annual investment of 10 million yuan for community development and poverty alleviation projects
Future goals
- Reduce carbon emissions intensity in production processes by 20% by 2030
- Invest 500 million yuan to develop low-carbon coal washing technology and clean utilization technology
- Realize 100% land reclamation and ecological restoration of mines by 2030
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