阅读说明：本技术 一种自动感应矿井通风风量调节机构 (Automatic induction mine ventilation air quantity adjusting mechanism ) 是由 王能跃 刘伦 郑禄璟 吴岩佩 金开玥 陈建新 毕伟 高猛江 于 2020-12-07 设计创作，主要内容包括：本发明提供的一种自动感应矿井通风风量调节机构,包括控制器和设置于矿井内、形状和大小一致、并且对开开合的两块风门,两块风门彼此相对的两侧空隙围绕形成通风口,风门与矿井井壁之间还连接有开合装置,开合装置上安装有控制器,通风口处安装有电子风表,电子风表、控制器和开合装置控制端依次串联电性连接。采用本发明的技术方案,通过电子风表测量获取经过通风口的风速信息,再根据风速、通风口口径大小以及用户所需的风量需求计算得出风门的开度,达到了准确调节通风风量的目的,风量调整自动化程度高,结构简单,风量调整精度高,满足了矿井采掘施工需求。(The invention provides an automatic induction mine ventilation air quantity adjusting mechanism which comprises a controller and two air doors, wherein the two air doors are arranged in a mine, are consistent in shape and size and are opened and closed in an opposite mode, gaps at two opposite sides of the two air doors surround to form ventilation openings, an opening and closing device is connected between the air doors and a mine well wall, the opening and closing device is provided with the controller, an electronic air meter is arranged at the ventilation openings, and the electronic air meter, the controller and a control end of the opening and closing device are sequentially connected in series and electrically connected. By adopting the technical scheme of the invention, the air speed information passing through the ventilation opening is obtained by measuring the electronic air meter, and the opening degree of the air door is calculated according to the air speed, the caliber size of the ventilation opening and the air quantity requirement required by a user, so that the aim of accurately adjusting the ventilation air quantity is fulfilled.)

1. The utility model provides an auto-induction mine ventilation air regulation mechanism which characterized in that: the wind speed measurement device comprises a controller (1) and two air doors (2) which are arranged in a mine, have the same shape and size and are opened and closed in opposite directions, wherein each air door (2) is in the shape of a cuboid with the width of b and the height of h, two opposite side gaps of the two air doors (2) surround to form a ventilation opening, an opening and closing device (3) is further connected between each air door (2) and the wall of the mine, the controller (1) is installed on the opening and closing device (3), an electronic wind meter (4) is installed at the position of the ventilation opening, the electronic wind meter (4), the controller (1) and a control end of the opening and closing device (3) are sequentially connected in series and electrically connected, the electronic wind meter (4) is used for measuring and acquiring wind speed information v passing through the ventilation opening and forwarding the wind speed information v to the controller (1), and the controller (1) is used for receiving wind speed demand information Q input by a user and wind speed information v from, and calculating the opening theta of the air door (2) relative to the cross section of the mine according to the following formula:

and then controlling the opening and closing device (3) to drive the air door (2) to rotate, so that the angle between the air door (2) and the cross section of the mine is adjusted to be an opening theta.

2. The automatic induction mine ventilation air volume adjusting mechanism of claim 1, characterized in that: concrete is further poured on the mine shaft wall to form a wall (5), the air door (2) is hinged to the wall (5) through a hinge (6), and the opening and closing device (3) is installed on the wall (5).

3. The automatic induction mine ventilation air volume adjusting mechanism of claim 2, characterized in that: the hinge (6) is made of metal.

4. The automatic induction mine ventilation air volume adjusting mechanism of claim 2, characterized in that: the opening and closing device (3) comprises a main adjusting arm (7) and a telescopic rod (8), one end of the main adjusting arm (7) is hinged to the wall (5) through a rotating shaft, the other end of the main adjusting arm (7) is hinged to one end of the telescopic rod (8), and the other end of the telescopic rod (8) is fixedly connected with the air door (2).

5. The automatic induction mine ventilation air volume adjusting mechanism of claim 4, characterized in that: the telescopic rod (8) is a hydraulic cylinder.

6. The automatic induction mine ventilation air volume adjusting mechanism of claim 4, characterized in that: the other end of the telescopic rod (8) is fixedly connected with the air door (2) in a welding mode.

7. The automatic induction mine ventilation air volume adjusting mechanism of claim 1, characterized in that: and a handle (9) is also arranged on the air door (2).

8. The automatic induction mine ventilation air volume adjusting mechanism of claim 1, characterized in that: the material of the air door (2) is metal.

Technical Field

The invention belongs to the technical field of mine ventilation equipment, and particularly relates to an automatic induction mine ventilation air quantity adjusting mechanism.

Background

The mine ventilation system is an important component of a mine production system, whether the mine ventilation system is reasonable or not has important long-term influence on mine safety production, the problem of energy waste is caused by residual ventilation resistance in a mine in coal mining, and the dynamic system is kept in an optimal state in time for ensuring safety production and reducing production cost. In mine operation, coal mine ventilation safety is an important factor for ensuring the overall safety of a mine, coal mine gas, coal dust and fire are main influence factors for mine safety production, in an underground mine ventilation system, the ventilation volume of some mine roadways is required to be higher, the ventilation volume is required to be accurately controlled, and therefore an air window capable of finely adjusting the air volume is needed. The existing air window is generally formed by assembling wood boards, the ventilation volume is adjusted by disassembling a plurality of wood boards, the material cost is too high, the environment is not protected, and the requirement of accurately adjusting the air volume cannot be met.

Disclosure of Invention

In order to solve the technical problem, the invention provides an automatic induction mine ventilation air quantity adjusting mechanism.

The invention is realized by the following technical scheme.

The invention provides an automatic induction mine ventilation air quantity adjusting mechanism; comprises a controller and two air doors which are arranged in a mine, have the same shape and size and are opened and closed, the air doors are cuboid with the width of b and the height of h, the two opposite side gaps of the two air doors surround to form a ventilation opening, an opening and closing device is also connected between the air door and the wall of the mine shaft, a controller is arranged on the opening and closing device, an electronic air meter is arranged at the vent, the electronic air meter, the controller and the control end of the opening and closing device are sequentially connected in series and electrically connected, the electronic wind meter is used for measuring and acquiring wind speed information v passing through the ventilation opening and forwarding the wind speed information v to the controller, the controller is used for receiving air quantity demand information Q input by a user and wind speed information v from the electronic wind meter, and calculating the opening theta of the air door relative to the cross section of the mine according to the following formula:

and then controlling the opening and closing device to drive the air door to rotate, so that the angle between the air door and the cross section of the mine is adjusted to be an opening theta.

Concrete is further poured on the mine shaft wall to form a wall, the air door is hinged to the wall through a hinge, and the opening and closing device is installed on the wall.

The hinge is made of metal.

The opening and closing device comprises a main adjusting arm and a telescopic rod, one end of the main adjusting arm is hinged to the wall through a rotating shaft, the other end of the main adjusting arm is hinged to one end of the telescopic rod, and the other end of the telescopic rod is fixedly connected with the air door.

The telescopic rod is a hydraulic cylinder.

The other end of the telescopic rod is fixedly connected with the air door in a welding mode.

The air door is also provided with a handle.

The material of the air door is metal.

The invention has the beneficial effects that: by adopting the technical scheme of the invention, the air speed information passing through the ventilation opening is obtained through the measurement of the electronic air meter, and the opening degree of the air door is calculated according to the air speed, the caliber size of the ventilation opening and the air quantity requirement required by a user, so that the aim of accurately adjusting the ventilation air quantity is fulfilled.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: the method comprises the following steps of 1-a controller, 2-an air door, 3-an opening and closing device, 4-an electronic wind meter, 5-a wall, 6-a hinge, 7-an adjusting main arm, 8-a telescopic rod and 9-a handle.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1, the invention provides an automatic induction mine ventilation air volume adjusting mechanism, which comprises a controller 1 and two air doors 2 which are arranged in a mine, have the same shape and size and are opened and closed oppositely, wherein the air doors 2 are cuboid-shaped with the width of b and the height of h, gaps at two opposite sides of the two air doors 2 surround to form ventilation openings, an opening and closing device 3 is further connected between the air doors 2 and a mine well wall, the controller 1 is installed on the opening and closing device 3, an electronic air meter 4 is installed at the ventilation openings, the electronic air meter 4, the controller 1 and the control end of the opening and closing device 3 are sequentially connected in series and electrically connected, the electronic air meter 4 is used for measuring and acquiring air velocity information v passing through the ventilation openings and forwarding the air velocity information v to the controller 1, the controller 1 is used for receiving air volume demand information Q input by a user and the air velocity information v from the electronic air, and calculating the opening theta of the air door 2 relative to the cross section of the mine according to the following formula:

and then the opening and closing device 3 is controlled to drive the air door 2 to rotate, so that the angle between the air door 2 and the cross section of the mine is adjusted to be the opening degree theta.

Further, concrete is poured on the mine shaft wall to form a wall 5, the air door 2 is hinged to the wall 5 through a hinge 6, and the opening and closing device 3 is installed on the wall 5. Preferably, the hinge 6 is made of metal.

In addition, the opening and closing device 3 comprises a main adjusting arm 7 and a telescopic rod 8, one end of the main adjusting arm 7 is hinged to the wall 5 through a rotating shaft, the other end of the main adjusting arm 7 is hinged to one end of the telescopic rod 8, and the other end of the telescopic rod 8 is fixedly connected with the air door 2. Preferably, the telescopic rod 8 is a hydraulic cylinder. The other end of the telescopic rod 8 is fixedly connected with the air door 2 in a welding mode.

In addition, a handle 9 is mounted on the damper 2. The material of the damper 2 is preferably metal. The user can manually adjust the opening degree of the air door through the handle 9 when needed.

By adopting the technical scheme of the invention, the air speed information passing through the ventilation opening is obtained by measuring the electronic air meter, and the opening degree of the air door is calculated according to the air speed, the caliber size of the ventilation opening and the air quantity requirement required by a user, so that the aim of accurately adjusting the ventilation air quantity is fulfilled.