Air door electrical control device for coal mine

The damper electrical control device composed of an electric control box, a solenoid valve control box, a door switch sensor and a pneumatic actuator solves the problem of low automation of coal mine dampers, realizes automatic control and unmanned operation of dampers, and improves the management level of mine ventilation systems.

CN223305773UActive Publication Date: 2025-09-05SHANDONG PLANCK MECHANICAL & ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202422989363.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-09-05
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

The automation level of coal mine air doors is low, the reliability of the control system is poor, and it is difficult to achieve information management, which affects the modernization process of mine ventilation management.

Method used

The damper electrical control device is composed of an electric control box, a solenoid valve control box, a door opening and closing sensor, a door position detection sensor, a pneumatic actuator and an alarm to realize the automatic control and status detection of the damper.

Benefits of technology

It improves the automation and digitization level of the damper, realizes unmanned damper control, and improves the management efficiency and safety of the mine ventilation system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air door electrical control device for a coal mine, and belongs to the technical field of electrical control and the technical field of mine ventilation. The device is mainly composed of an electric control box, an electromagnetic valve control box, a door opening and closing sensor, a door position detection sensor, an alarm, a pneumatic execution mechanism and the like. According to the device, signal acquisition is carried out through the door opening and closing sensor and the door position detection sensor, output control is carried out through the electric control box and the electromagnetic valve control box, and automatic control over the coal mine air door is achieved through the pneumatic executing mechanism. The mine ventilation system complies with the current intelligent development background, the existing mine ventilation system is technically improved and innovated, the ventilation door is automatically opened and closed, the unattended purpose is achieved, the automation and digitization level of the ventilation system is improved, and the coal industry is promoted to be fused in order.
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Description

Technical Field

[0001] The utility model relates to the technical fields of electrical control and mine ventilation, and in particular to an air door electrical control device for a coal mine. Background Art

[0002] As mines deepen, ventilation networks become increasingly complex, making underground ventilation increasingly difficult. Damper systems, as key ventilation facilities, suffer from structural limitations, including low automation levels and poor control system reliability. This makes it difficult to ensure proper damper operation and easily leads to airflow short-circuits. Furthermore, ventilation safety management is plagued by issues such as outdated ventilation information management methods, lack of automated ventilation network calculations, and lack of airflow control system automation. These issues directly impact mine transportation efficiency and ventilation quality, severely hindering the modernization of mine ventilation management. Summary of the Invention

[0003] The utility model aims to address the technical defects of the existing technology and provide an electrical control device for air doors in coal mines, so as to solve the technical problems such as low degree of automation, poor reliability of the control system, and difficulty in realizing information management of conventional control methods for air doors in coal mines.

[0004] In order to achieve the above technical objectives, the present invention adopts the following technical solutions:

[0005] An electrical control device for a damper in a coal mine comprises an electrical control box, a solenoid valve control box, a door opening and closing sensor, a door position detection sensor, an alarm, and a pneumatic actuator, wherein a pneumatic actuator is provided on the damper, a solenoid valve is provided on the pneumatic actuator, the solenoid valve is electrically connected to the solenoid valve control box, a door position detection sensor is provided on the hinge shaft of the damper, and a door opening and closing sensor is provided on the side of the damper, the door position detection sensor and the door opening and closing sensor are respectively communicated with the electrical control box, and the electrical control box is respectively communicated with the solenoid valve control box and the alarm.

[0006] Preferably, the specification of the electric control box is an AC127V electric control box.

[0007] Preferably, the door position detection sensor is a rotation angle sensor.

[0008] Preferably, the door opening and closing sensor is an infrared sensor.

[0009] Preferably, the alarm is an audible and visual alarm.

[0010] Preferably, the door opening and closing sensor and the door position detection sensor respectively collect the opening and closing state information and the position information of the damper.

[0011] Preferably, the information is output controlled by an electric control box and a solenoid valve control box.

[0012] Preferably, the pneumatic actuator drives the damper according to a control instruction.

[0013] In the above technical solution, the electric control box and the solenoid valve control box are used for output control; the door switch sensor is used to detect the current switch status of the damper in real time; the door position detection sensor is used to detect the current position status of the damper in real time; the pneumatic actuator is used to drive the damper to open, close, and other actions; and the alarm is used to alarm for abnormal conditions in the system.

[0014] The utility model discloses an electrical control device for a damper in a coal mine. It is primarily composed of an electrical control box, a solenoid valve control box, a door opening and closing sensor, a door position detection sensor, an alarm, and a pneumatic actuator. The device collects signals from the door opening and closing sensor and the door position detection sensor, performs output control through the electrical control box and the solenoid valve control box, and achieves automated control of the coal mine damper through the pneumatic actuator. In line with the current context of intelligent development, the utility model improves and innovates the technology of existing mine ventilation systems, enabling automatic start-up and closing of the damper, achieving unmanned operation, improving the automation and digitization level of the ventilation system, and promoting the orderly integration of industrialization and informationization in the coal industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the present utility model. DETAILED DESCRIPTION

[0016] The following describes specific embodiments of the present invention in detail. To avoid unnecessary detail, well-known structures or functions are not described in detail in the following examples. Approximate language used in the following examples may be used to express quantitative information, indicating that a certain amount of variation is permissible without changing the basic function. Unless otherwise defined, technical and scientific terms used in the following examples have the same meanings as commonly understood by those skilled in the art to which the present invention belongs.

[0017] Example 1

[0018] Electric control device for air door used in coal mines, such as Figure 1As shown, the electrical control device includes an electric control box, a solenoid valve control box, a door switch sensor, a door position detection sensor, an alarm, and a pneumatic actuator, wherein a pneumatic actuator is provided on the damper, a solenoid valve is provided on the pneumatic actuator, the solenoid valve is electrically connected to the solenoid valve control box, a door position detection sensor is provided on the hinge shaft of the damper, and a door switch sensor is provided on the side of the damper, the door position detection sensor and the door switch sensor are respectively communicated with the electric control box, and the electric control box is respectively communicated with the solenoid valve control box and the alarm.

[0019] In the above technical solution, the electric control box and the solenoid valve control box are used for output control; the door switch sensor is used to detect the current switch status of the damper in real time; the door position detection sensor is used to detect the current position status of the damper in real time; the pneumatic actuator is used to drive the damper to open, close, and other actions; and the alarm is used to alarm for abnormal conditions in the system.

[0020] Example 2

[0021] Electric control device for air door used in coal mines, such as Figure 1 As shown, the electrical control device includes an electrical control box, a solenoid valve control box, a door opening and closing sensor, a door position detection sensor, an alarm, and a pneumatic actuator. The damper is provided with a pneumatic actuator, which is provided with a solenoid valve. The solenoid valve is electrically connected to the solenoid valve control box. A door position detection sensor is provided on the damper's hinge shaft, and a door opening and closing sensor is provided next to the damper. The door position detection sensor and door opening and closing sensor are respectively connected to the electrical control box, which is in turn connected to the solenoid valve control box and the alarm. The electrical control box is an AC127V electrical control box. The door position detection sensor is a rotation angle sensor. The door opening and closing sensor is an infrared sensor. The alarm is an audible and visual alarm.

[0022] The above embodiments of the present invention are described in detail, but the above contents are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the scope of application of the present invention shall be included in the scope of protection of the present invention.

Claims

1. The electric control device for air door used in coal mines is characterized by: The electrical control device includes an electric control box, a solenoid valve control box, a door opening and closing sensor, a door position detection sensor, an alarm, and a pneumatic actuator, wherein a pneumatic actuator is provided on the damper, a solenoid valve is provided on the pneumatic actuator, the solenoid valve is electrically connected to the solenoid valve control box, a door position detection sensor is provided on the hinge shaft of the damper, and a door opening and closing sensor is provided on the side of the damper, the door position detection sensor and the door opening and closing sensor are respectively communicated with the electric control box, and the electric control box is respectively communicated with the solenoid valve control box and the alarm.

2. The air door electrical control device for coal mines according to claim 1, characterized in that: The specification of the electric control box is AC127V electric control box.

3. The air door electrical control device for coal mines according to claim 1, characterized in that: The door position detection sensor is a rotation angle sensor.

4. The air door electrical control device for coal mines according to claim 1, characterized in that: The door opening and closing sensor is an infrared sensor.

5. The air door electrical control device for coal mines according to claim 1, characterized in that: The alarm is an audible and visual alarm.