Shandong Rongli Power Mechanical And Electrical Technology Co., Ltd. : Your professional Mining electromechanical product manufacturer in China
Shandong Rongli Power Mechanical And Electrical Technology Co., Ltd., established in 2013, is a professional manufacturer of mining electromechanical products. From its initial products such as mining energy-saving lamps and explosion-proof switches, the company has evolved to offer advanced systems including automatic dust suppression devices, electronic control systems, and environmentally friendly production lines.
Wide Product Range
We supply a comprehensive range of mining equipment, including fully wireless dust suppression spray systems, explosion-proof switches, energy-saving lamps, and signaling devices.
Versatile Applications
Our products are designed for critical mining applications, such as automated dust suppression in tunnels and transfer points, ventilation control via automatic dampers, and personnel/vehicle detection for safety monitoring.
Advanced Production Equipment
We possess advanced production equipment for mining winches, mining rail vehicles, and mining dampers, including manufacturing and welding equipment.
Guaranteed Quality
All our equipment holds the necessary mining safety certificates, explosion-proof certificates, and CCC certification.
Introduction
Electrical Control Systems for Operate Mine Doors are primarily used for remote or automatic control of underground doors in coal and metal mines, enabling door opening and closing operations and status monitoring.
Specifications
|
Product name |
Electrical control systems to operate mine doors |
|
Frequency Range |
300 GHz and 400 THz. |
|
Wavelength Range |
1 mm to 750 nm |
|
Sensing reach or distance |
10 to 30 meters |
|
Origin |
China |
|
Data rate |
300 to 115200 bps (Serial Infrared), 4 Mbps (Fast Infrared). |

Infrared signal modulation and sealed protection design
Non-contact infrared detection mechanism
Adjustable monitoring distance of 10–30 meters
High-frequency response and fast signal transmission
Low power consumption design suitable for mobile or remote scenarios
Point-to-point communication mode ensures signal security
Applications
Automatic control of underground doors: Used for opening and closing operations of transport roadways, tunneling roadways, and ventilation doors in coal and metal mines.
Intrusion detection system
Monitors unauthorized personnel approaching mine doors or critical facilities.
Material and product detection
Detects changes in the status of doors or safety passages in the conveying system.
Automatic lighting linkage
Triggers the underground lighting system or warning devices based on door status.
Infrared Transceiver Test: Infrared power meter and photodiode are used to test transmission intensity and receiving sensitivity.
Non-contact Distance Verification: Distance measurement using a standard object is used to verify the monitoring range and response time.
Environmental Adaptability Test: Infrared signal penetration and anti-interference capability in high humidity and dust environments.
Electrical Safety and Insulation Test: Insulation resistance meter and withstand voltage tester are used to test the control unit and wiring safety, confirming that grounding and protection meet specifications.
System Function Interlock Test: Interlock test of door opening/closing, actuators, and alarm signals is conducted, recording responses and anomaly handling.

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FAQ
As one of the leading electrical control systems to operate mine doors manufacturers and suppliers in China, we also support customized service. Please feel free to buy electrical control systems to operate mine doors in stock here and get free sample from our factory. Quality products and low price are available.
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