Fully automatic damper control device type damper control system for coal mines
Shandong Kuangan Mechanical and Electrical Co., Ltd., Jining Dongda Mechanical and Electrical Co., Ltd., and Jining Dongda Electrical Co., Ltd. are subsidiaries of Shandong Dongda Group. The company is located in Jining City, Shandong Province, the hometown of Confucius and Mencius. It is surrounded by scenic spots such as the San Kong Holy Land, Mount Tai, Weishan Lake, and Shuibo Liangshan. It is adjacent to the Beijing-Shanghai Railway to the east, the Beijing-Hangzhou Canal to the west, and Ridong Expressway to the north. The transportation is convenient. , extending in all directions. The company has a registered capital of 10,000 yuan, an area of square meters, and total assets of more than 100 million yuan. The company has strong technical force and currently has many employees, including many professional and technical personnel. It has more than 10 sets of main production equipment and testing and testing instruments. It has formed a comprehensive capability of annual production and sales of mining products exceeding 100 million yuan
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1. Overview
The type damper automatic control device is suitable for double-leaf pressureless dampers, single-leaf dampers in coal mines, for pedestrians, driving vehicles or shared use of pedestrians and vehicles. The dampers and other facilities are fully automatically controlled and can control two or three dampers. This device automatically opens and closes the damper when pedestrians and minecarts pass by. When there is a power outage in the mine, the damper can be opened and closed manually.
2. Functional features
This device uses an automatic control system, uses infrared sensors as monitors, and also has a language alarm to ensure the smooth and safe passage of pedestrians and vehicles.
. The control function controller receives the signal from the infrared sensor receiver. After recognition, it controls the action of the actuator (cylinder, oil cylinder). After opening the damper and delaying for seconds (adjustable), it automatically controls the action of the actuator. , close the damper.
. Locking function: When any one of the two interlocking dampers is opened, the controller controls the actuator to lock the other damper so that it cannot be opened. When the damper is opened and closed, the controller automatically unlocks.
. Manual unlocking function. When a fault occurs, press the reset button and the entire control system will stop working. At this time, the damper can be pushed open manually. When the fault is eliminated, press the set button and the control system returns to normal operation.
. When the voice prompt function damper is opened, the controller should control the sound and light alarm box to prompt the voice signal.
3. Main components of the device and its technical parameters
/Type mine explosion-proof and intrinsically safe damper controller
Rated working voltage
Rated power
Intrinsically safe parameters ,
Mine intrinsically safe sound and light alarm box
Rated working voltage
Sound loudness is not less than
Light signal visible distance meters
Mine intrinsically safe infrared sensor
Rated working voltage
Sensing distance
Intrinsically safe parameters (transmitter) (receiver)
Mine intrinsically safe position sensor
Rated working voltage
Contact capacity
Effective sensing distance㎜
Mine intrinsically safe control button
Rated working voltage
Rated working current
The button is normally open
Mine Use intrinsically safe pneumatic solenoid valve
Rated working voltage
Rated working current
Input air pressure~
Carry out coal mine safety inspection seriously. Strictly implement the requirements of superiors on safety inspections. In accordance with the requirements of the Shandong Coal Mine Safety Supervision Bureau and the Provincial Coal Industry Bureau, focus on inspection items, focus on lessons learned and identify problems, not only coal mines, but also group companies.
Carry out coal mine supervision and law enforcement in a targeted manner. A large-scale inspection leading group headed by the main leader of the bureau was established to mobilize the overall situation, set out a timetable, and implement supervision units and responsible persons to focus on the coal mines that they were worried about, using various methods such as comprehensive inspections by large corps, surprise and secret investigations, etc. While improving the effectiveness of supervision, local coal mine safety supervision departments are urged to implement superior arrangements.
Severe punishments and accountability will be strictly enforced without hesitation or mercy. Violations that violate laws and regulations must be severely punished in accordance with the law, and relevant responsible persons must be strictly held accountable. Places and groups with serious problems must be seriously interviewed, criticized, and exposed. Those who fail to supervise work must be held accountable internally.
Jining Dongda Mechanical and Electrical Co., Ltd.
Address South of Shanbo Road and West of Zhixue Road, Rencheng Economic Development Zone, Jining
Contact Manager Wang
Mobile phone
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