Coal mine ventilation device with gas monitoring function

Abstract

The utility model provides a coal mine ventilation device with a gas monitoring function, which relates to the technical field of ventilation and comprises a fixing frame, a monitoring processing mechanism is arranged on the left side of the fixing frame, and a dismounting mechanism is arranged above the fixing frame. The monitoring processing mechanism comprises a controller, the right side face of the controller is fixedly connected with the left side face of a fixing frame, the upper surface of the fixing frame is fixedly connected with an alarm, the inner wall of the fixing frame is fixedly connected with a fan, the inner top wall of the fixing frame is fixedly connected with a gas sensor, and the inner wall of the fixing frame is slidably connected with a fixing plate. The gas sensor can monitor the gas concentration in a coal mine in real time, once the gas concentration exceeds a safety range, the gas sensor can feed back information in time, and the alarm is triggered to give an alarm through cooperation with the controller, so that workers can quickly respond, such as evacuating the workers and taking measures such as ventilation to reduce danger; and the safety of workers during coal mine operation is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coal mine ventilation device, concretely to a coal mine ventilation device with gas monitoring belongs to ventilation technical field. BACKGROUND

[0002] Coal mine ventilation refers to the air flow in the coal mine by artificial or mechanical means, so as to improve the air quality in the mine, the main purpose of coal mine ventilation is to provide enough fresh air, to exclude toxic gases such as gas and carbon dioxide, and to maintain the air flow in the mine, usually the concentration of gas in the mine should be controlled below 1%, if the concentration of gas exceeds 1%, the risk of explosion will increase, and the concentration of gas will also affect the air.

[0003] The coal mine operation ventilation device disclosed in Chinese patent application publication CN219865541U, when the ventilation device is used in coal mine operation, the motor 304 can drive the exhaust fan 307 to rotate through the connection of the shaft 306, and the air flowing through the ventilation pipe 301 will be filtered by the air filter 310 to intercept the dust in the air.

[0004] The above patent technical solution can achieve ventilation effect, but cannot monitor and process the gas concentration of air in the coal mine during use, which may cause explosion risk when the gas concentration of air in the coal mine is high, resulting in great risk. Therefore, a coal mine ventilation device with gas monitoring is proposed. UTILITY MODEL CONTENT

[0005] The utility model provides a coal mine ventilation device with gas monitoring to solve the problem of inconvenient monitoring and processing of gas concentration in coal mine air in the prior art.

[0006] The utility model is implemented by the following technical scheme: a coal mine ventilation device with gas monitoring, comprising a fixed frame, a monitoring and processing mechanism is arranged on the left side of the fixed frame, a dismounting mechanism is arranged above the fixed frame;

[0007] The monitoring and processing mechanism comprises a controller, the right side surface of the controller is fixedly connected with the left side surface of the fixed frame, an alarm is fixedly connected to the upper surface of the fixed frame, a fan is fixedly connected to the inner wall of the fixed frame, a gas sensor is fixedly connected to the inner top wall of the fixed frame, a fixed plate is slidably connected to the inner wall of the fixed frame, two activated carbon plates are fixedly connected to the bottom surface of the fixed plate, and the outer surface of each activated carbon plate is in contact with the inner wall of the fixed frame.

[0008] The disassembling mechanism comprises two pressing rods, the outer surface of each pressing rod is rotationally connected with the inner wall of the fixed frame, the bottom surface of each pressing rod is in contact with the upper surface of the fixed plate, the upper surface of the fixed frame is fixedly connected with two limiting frames, the inner wall of each limiting frame is slidingly connected with a bolt, the outer surface of each bolt is slidingly connected with the inner wall of the pressing rod, the side face, away from each other, of the two bolts is fixedly connected with a spring, and the ends, away from each other, of the two springs are fixedly connected with the side faces, close to each other, of the two limiting frames.

[0009] The outer side of the fixed frame is provided with two supporting frames, and the inner wall of each supporting frame is fixedly connected with a filter plate.

[0010] The inner wall of each supporting frame is threadedly connected with four bolts, and the end, close to the fixed frame, of each bolt is threadedly connected with the inner wall of the fixed frame.

[0011] The side face, close to each other, of the two supporting frames is fixedly connected with a second sealing gasket, and the side faces, close to each other, of the two second sealing gaskets are in contact with the front face and the back face of the fixed frame, respectively.

[0012] The bottom surface of the fixed frame is fixedly connected with four supporting legs, and the bottom surface of each supporting leg is fixedly connected with a base.

[0013] The utility model provides a coal mine ventilation device with gas monitoring, which has the following beneficial effects:

[0014] 1、the coal mine ventilation device with gas monitoring, gas sensor can monitor the gas concentration in coal mine in real time, once the gas concentration exceeds the safety range, the gas sensor can feedback information in time, through the cooperation with the controller, triggers the alarm to send the alarm, lets the staff can make the reaction quickly, such as evacuation personnel and takes the measure such as ventilation to reduce the danger, greatly improves the safety of coal mine operation, and the activated carbon plate of the bottom surface of the fixed plate can purify the gas in the air, the activated carbon plate can adsorb these harmful substances, so as to be capable of processing the gas, avoids discharging to the outside influence external environment.

[0015] 2、The coal mine ventilation device with gas monitoring, the connecting structure of the pressing rod, the fixed frame and the fixed plate is simple and practical, the pressing rod can rotate flexibly and contact with the fixed plate, the structure helps to operate conveniently and quickly when the fixed plate and the activated carbon plate are disassembled, improves the operability of the whole equipment, the setting of the limiting frame, the bolt and the spring can keep the position of the pressing rod stable in the normal working state, ensures the stability of the equipment structure, so that the activated carbon plate can be disassembled and replaced conveniently when it is saturated or damaged, and the effect of the device on gas air purification treatment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a fixed frame structure diagram of the utility model;

[0017] Fig. 2 It is a fan structure diagram of the utility model;

[0018] Fig. 3 It is a fixed frame cross-section structure diagram of the utility model;

[0019] Fig. 4 It is a pressing rod structure diagram of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1, fixed frame;

[0022] 2, monitoring and processing mechanism; 201, controller; 202, alarm; 203, fan; 204, fixed plate; 205, gas sensor; 206, activated carbon plate; 207, first gasket; 208, support frame; 209, filter plate; 210, bolt; 211, second gasket;

[0023] 3, dismounting mechanism; 301, pressing rod; 302, limiting frame; 303, bolt; 304, spring;

[0024] 4, support leg; 5, base. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the application.

[0026] Please refer to Figs. 1-4The utility model discloses a coal mine ventilation device with gas monitoring, including fixed frame 1, the left side of fixed frame 1 is provided with monitoring processing mechanism 2, the top of fixed frame 1 is provided with dismounting mechanism 3,

[0027] Monitoring processing mechanism 2 includes controller 201, the right side surface of controller 201 is fixedly connected with the left side surface of fixed frame 1, the outside of fixed frame 1 is provided with two support frames 208, the inner wall of each support frame 208 is fixedly connected with filter plate 209, by setting support frame 208 and filter plate 209, the air that can be filtered preliminarily to the dust particle contained in the inside is filtered out, avoids the influence caused to the outside air.

[0028] The upper surface of fixed frame 1 is fixedly connected with alarm 202, the inner wall of fixed frame 1 is fixedly connected with fan 203, the inner top wall of fixed frame 1 is fixedly connected with gas sensor 205, and the model of gas sensor 205 is QT111-Gasboard-M-3020 type infrared gas sensor 205. QT111-Gasboard-M-3020 type infrared gas sensor 205 is a sensor for detecting gas concentration, especially for detecting the concentration of gas, which works through infrared technology, usually has high sensitivity and stability, infrared gas sensor 205 determines gas concentration by measuring the absorption degree of infrared light by gas, so it is not affected by factors such as gas temperature, humidity change, can provide more accurate measurement, the main function of controller 201 is to receive signals from sensor and, process these signals to better understand and analyze these signals, then controller 201 generates control instructions according to the received signals and preset control rules, so as to facilitate control work, the inner wall of fixed frame 1 is slidably connected with fixed plate 204, the bottom surface of fixed plate 204 is fixedly connected with two activated carbon plates 206, the outer surface of each activated carbon plate 206 is in contact with the inner wall of fixed frame 1, the inner wall of each support frame 208 is threadedly connected with four bolts 210, and one end of each bolt 210 close to fixed frame 1 is threadedly connected with the inner wall of fixed frame 1. By setting bolt 210, filter plate 209 and support frame 208 can be firmly fixed on fixed frame 1, so that stable filtering work can be carried out, and the stability of filter plate 209 during use is ensured.

[0029] The dismounting mechanism 3 comprises two pressing rods 301, the outer surface of each pressing rod 301 is rotationally connected with the inner wall of the fixed frame 1, the bottom surface of each pressing rod 301 is in contact with the upper surface of the fixed plate 204, the upper surface of the fixed frame 1 is fixedly connected with two limiting frames 302, the side surface of each support frame 208 which is close to the other is fixedly connected with a second sealing gasket 211, the side surface of each second sealing gasket 211 which is close to the other is in contact with the front surface and the back surface of the fixed frame 1 respectively, the bottom surface of the fixed plate 204 is fixedly connected with a first sealing gasket 207, the bottom surface of the first sealing gasket 207 is in contact with the upper surface of the fixed frame 1, by arranging the first sealing gasket 207 and the second sealing gasket 211, the sealing property of the contact position between the support frame 208, the fixed plate 204 and the fixed frame 1 can be further increased, so that the device can be guaranteed not to leak during use, and the surface of the two activated carbon plates 206 is also provided with an elastic sealing gasket, which is used for guaranteeing the sealing property of the contact with the inner wall of the fixed frame 1, avoiding the air from escaping in the gap.

[0030] The inner wall of each limiting frame 302 is slidingly connected with a bolt 303, the outer surface of each bolt 303 is slidingly connected with the inner wall of the pressing rod 301, the side surface of each bolt 303 which is away from the other is fixedly connected with a spring 304, the end of each spring 304 which is away from the other is fixedly connected with the side surface of the limiting frame 302 which is close to the other respectively, the bottom surface of the fixed frame 1 is fixedly connected with four supporting legs 4, the bottom surface of each supporting leg 4 is fixedly connected with a base 5, by arranging the supporting leg 4 and the base 5, the device as a whole can be provided with good supporting effect, so that the stable use of the device can be guaranteed.

[0031] The utility model discloses a controller 201, siren 202, fan 203 and gas sensor 205 are connected with power supply in use, make it can be in good energized state, then siren 202, fan 203 and gas sensor 205 and controller 201 are electrically connected, thereby facilitating control work, and fan 203 and gas sensor 205 can be connected lead wire through the mode of the hole of fixed frame 1, can be sealed open wire hole place through sealing plug or gasket when completing circuit in series, thereby guarantee that the connection of cable can also guarantee that fixed frame 1 is in sealed state, then open controller 201, gas sensor 205 and fan 203, and fan 203 can drive air to enter fixed frame 1, and gas sensor 205 can detect the gas concentration in air, and send the data of detection to controller 201 and analyze, when gas concentration is overproof, controller 201 will control the rotation of fan 203 and control and open siren 202 and carry out audible and light alarm work, thereby reminding staff to evacuate, when air is fast through fixed frame 1, air will be primarily filtered by filter plate 209, then air passes through activated carbon plate 206 and will adsorb and purify harmful substances in air, finally when needing to replace activated carbon plate 206, staff can pull bolt 303, and bolt 303 can release the location of pressure rod 301, then staff will turn pressure rod 301 to the other side, and activated carbon plate 206 can be conveniently disassembled, then new activated carbon plate 206 is reset, and opposite mode is used to install and fix and use.

[0032] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A coal mine ventilation device with gas monitoring, comprising a stationary frame (1), characterized in that: The left side of the fixed frame (1) is provided with a monitoring processing mechanism (2), and the upper side of the fixed frame (1) is provided with a dismounting mechanism (3). The monitoring processing mechanism (2) comprises a controller (201), the right side surface of the controller (201) is fixedly connected with the left side surface of the fixed frame (1), the upper surface of the fixed frame (1) is fixedly connected with an alarm (202), the inner wall of the fixed frame (1) is fixedly connected with a fan (203), the inner top wall of the fixed frame (1) is fixedly connected with a gas sensor (205), the inner wall of the fixed frame (1) is slidingly connected with a fixed plate (204), the bottom surface of the fixed plate (204) is fixedly connected with two activated carbon plates (206), and the outer surface of each activated carbon plate (206) is in contact with the inner wall of the fixed frame (1).

2. A coal mine ventilation device with gas monitoring as claimed in claim 1, characterised in that: The dismounting mechanism (3) comprises two pressing rods (301), the outer surface of each pressing rod (301) is rotatably connected with the inner wall of the fixed frame (1), the bottom surface of each pressing rod (301) is in contact with the upper surface of the fixed plate (204), the upper surface of the fixed frame (1) is fixedly connected with two limiting boxes (302), the inner wall of each limiting box (302) is slidingly connected with a bolt (303), the outer surface of each bolt (303) is slidingly connected with the inner wall of the pressing rod (301), and the side, away from each other, of the two bolts (303) is fixedly connected with springs (304), and the side, close to each other, of the two springs (304) is fixedly connected with the two limiting boxes (302).

3. A coal mine ventilation device with gas monitoring as claimed in claim 1, characterised in that: The outer side of the fixed frame (1) is provided with two supporting frames (208), and the inner wall of each supporting frame (208) is fixedly connected with a filter plate (209).

4. A coal mine ventilation device with gas monitoring as claimed in claim 3, characterised in that: The inner wall of each supporting frame (208) is threadedly connected with four bolts (210), and the end, close to the fixed frame (1), of each bolt (210) is threadedly connected with the inner wall of the fixed frame (1).

5. A coal mine ventilation device with gas monitoring as claimed in claim 3, characterised in that: The side, close to each other, of the two supporting frames (208) is fixedly connected with second sealing gaskets (211), and the side, close to each other, of the two second sealing gaskets (211) is in contact with the front face and the back face of the fixed frame (1), respectively, the bottom surface of the fixed plate (204) is fixedly connected with a first sealing gasket (207), and the bottom surface of the first sealing gasket (207) is in contact with the upper surface of the fixed frame (1).

6. A coal mine ventilation device with gas monitoring as claimed in claim 1, characterised in that: The bottom surface of the fixed frame (1) is fixedly connected with four supporting legs (4), and the bottom surface of each supporting leg (4) is fixedly connected with a base (5).

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