Underground coal mine infrared monitoring device

Abstract

The utility model provides a coal mine underground infrared monitoring device, and belongs to the technical field of monitoring devices. The problem that image acquisition is affected due to the fact that dust shields the sight line of the infrared camera when the infrared camera is used in a coal mine is solved. Comprising a mounting frame, the mounting frame is connected with a rotating frame, the rotating frame comprises a rotating support and a fixed support, the rotating support is provided with a large gear, the mounting frame is provided with a third motor, an output shaft of the third motor is fixedly provided with a small gear, the small gear is meshed with the large gear, and the rotating support is provided with a second motor; an output shaft of the second motor is fixedly connected with a second worm, the second worm is meshed with a second worm gear, and the second worm gear is fixed to the fixing support. An infrared camera body and a particulate matter concentration sensor are further fixed to the fixing support, a driving rod penetrates through the fixing support, a driving mechanism is fixed to one end of the driving rod, and a cleaning plate is fixed to the other end of the driving rod; the utility model is applied to the underground infrared camera.

Description

Technical Field

[0001] The utility model provides an infrared monitoring device for underground coal mines, belonging to the technical field of monitoring devices. Background Art

[0002] Coal accounts for an important proportion in the national energy structure and primary energy consumption. However, the vast majority of coal mines in my country have many hidden dangers such as complex geological conditions, great difficulty in mining, multiple types of disasters, wide distribution, unsafe behaviors of people and unsafe conditions of objects, which lead to frequent coal mine production safety accidents.

[0003] When equipment is operating at the excavation / comprehensive mining face, a lot of dust will be generated, accompanied by a certain concentration of water vapor, and the field of vision will be poor. Conventional means of identifying personnel intrusion in dangerous areas have low accuracy. The temperature sensors installed on equipment such as belt conveyors and scrapers can only achieve single-point temperature measurement and cannot reflect the overall temperature of the equipment. Manual inspections pose a safety hazard to personnel, and long-term inspections are prone to fatigue, resulting in low detection efficiency and accuracy.

[0004] The intrinsically safe thermal imaging camera for mining can reflect the overall temperature distribution of the equipment, intelligently detect the high-temperature points of the equipment, and accurately lock the fault location. At the same time, the visible light channel can also realize video monitoring and reduce the number of cameras arranged underground in the mine. The AI ​​algorithm can also realize intelligent analysis and control of the belt operation status and personnel behavior.

[0005] However, when the infrared camera of the prior art is used in a coal mine, due to the large amount of dust in the coal mine, the dust will block the line of sight of the infrared camera, thereby affecting normal image acquisition. Utility Model Content

[0006] In order to solve the problem that dust blocks the line of sight of the infrared camera and affects image acquisition when the infrared camera is used in a coal mine, the utility model proposes an infrared monitoring device for underground coal mines, and aims to realize normal image acquisition of the underground infrared camera by improving the hardware or the combined connection of the hardware modules and / or circuits.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is: an infrared monitoring device for underground coal mines, comprising a mounting frame fixed near an underground tunneling / comprehensive mining working face equipment, the mounting frame is connected to a rotating frame, the rotating frame comprises a rotating bracket and a fixed bracket, a large gear is installed on the rotating bracket, a No. 3 motor is installed on the mounting frame, a small gear is fixed on the output shaft of the No. 3 motor, the small gear is meshed with the large gear, a No. 2 motor is installed on the rotating bracket, a second worm is fixedly connected to the output shaft of the No. 2 motor, a second worm is meshed with a second worm wheel, and the second worm wheel is fixed on the fixed bracket;

[0008] The infrared camera body and the particle concentration sensor are also fixed on the fixed bracket. A driving rod passes through the fixed bracket located below the infrared camera body. A first worm gear is fixed to one end of the driving rod. A first worm is meshed with the first worm gear. The first worm is fixedly connected to the output shaft of the driving motor. The driving motor is fixed on the fixed bracket. A cleaning plate is fixed to the other end of the driving rod. The cleaning plate is located outside the lens of the infrared camera body.

[0009] A spray pipe is also fixed on the fixed bracket, one end of the spray pipe is connected to a spray head, the other end of the spray pipe is connected to a high-pressure pump through a connecting hose, the high-pressure pump is connected to a water source, and the spray head is arranged on the lower inner side of the cleaning plate.

[0010] It also includes a control box, a control panel is arranged on the front of the control box, a controller is arranged in the control box, the controller is connected to the control panel through a wire, a plurality of output ends of the controller are respectively connected to a high-pressure pump, a drive motor, a No. 2 motor, and a No. 3 motor through wires, an input end of the controller is connected to a particle concentration sensor, and corresponding switches for the high-pressure pump, the drive motor, the No. 2 motor, and the No. 3 motor are arranged on the control panel.

[0011] The spray pipe is arranged below the infrared camera body.

[0012] The large gear is fixed on the driving shaft, one end of the driving shaft is fixedly connected to the rotating bracket, the other end of the driving shaft is connected to the bearing, the bearing is installed on the bearing seat, and the bearing seat is fixed on the fixing plate of the mounting frame.

[0013] The third motor is fixed on the fixing plate of the mounting frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the underground infrared monitoring device for coal mines provided by the utility model can adjust the rotation of the infrared camera in the horizontal plane through the setting of the large gear, the small gear and the No. 3 motor; the pitch angle of the infrared camera can be adjusted through the setting of the No. 2 motor, the second worm and the second worm gear; the particle concentration in the air can be monitored by the particle concentration sensor, thereby spraying dust on the environment where the infrared camera is located; the lens can also be cleaned through the setting of the cleaning plate and the spray pipe, which can prevent dust from blocking the line of sight of the lens and realize the cleaning of the lens, thereby ensuring normal image acquisition by the infrared camera and ensuring its working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings:

[0016] Figure 1It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the circuit connection structure of the utility model;

[0018] In the figure: 1 is a mounting frame, 2 is a rotating frame, 3 is a large gear, 4 is a No. 3 motor, 5 is a small gear, 6 is a second worm gear, 7 is a second worm, 8 is a No. 2 motor, 9 is an infrared camera body, 10 is a particle concentration sensor, 11 is a driving rod, 12 is a first worm gear, 13 is a first worm, 14 is a driving motor, 15 is a cleaning plate, 16 is a spray pipe, 17 is a spray head, 18 is a connecting hose, 19 is a high-pressure pump, and 20 is a water source. DETAILED DESCRIPTION

[0019] like Figure 1 and 2 As shown, the utility model provides an infrared monitoring device for an underground coal mine, including a mounting frame 1, which is fixed near the equipment of an underground tunneling / comprehensive mining working face to monitor the temperature of equipment such as tunneling machines, coal mining machines, and hydraulic supports. A rotating frame 2 is rotatably mounted on the mounting frame 1, and the rotating frame 2 includes a fixed bracket and a rotating bracket. A large gear 3 is installed at the bottom of the rotating bracket. A No. 3 motor 4 is installed on the mounting frame 1, and a small gear 5 is fixed on the output shaft of the No. 3 motor 4. The No. 3 motor 4 is fixed on a fixed plate of the mounting frame 1, and the small gear 5 is meshed with the large gear 3, which is fixed on a driving shaft, one end of the driving shaft is fixedly connected to the rotating bracket, and the other end of the driving shaft is connected to a bearing, and the bearing is mounted on a bearing seat, and the bearing seat is fixed on a fixed plate.

[0020] A No. 2 motor 8 is installed on the rotating bracket, and a second worm 7 is fixedly connected to the output shaft of the No. 2 motor 8. The second worm 7 is meshed with the second worm wheel 6. The second worm wheel 6 is fixed on the fixed bracket, and an infrared camera body 9 and a particle concentration sensor 10 are also fixed on the fixed bracket. A driving rod 11 is rotatably passed through the fixed bracket, and a first worm wheel 12 is fixed to one end of the driving rod 11. A first worm 13 is meshed with the first worm wheel, and the first worm 13 is fixedly connected to the output shaft of the driving motor 14. A cleaning plate 15 is fixed to the other end of the driving rod 11, and the cleaning plate 15 is located outside the camera of the infrared camera body 9.

[0021] A spray pipe 16 is also fixed to the fixed bracket, one end of the spray pipe 16 is connected to a spray head 17, the other end of the spray pipe 16 is connected to a connecting hose 18, the connecting hose 18 is connected to a high-pressure pump 19, the high-pressure pump 19 is connected to a water source 20, and the water source 20 can be a water supply pipe or a water tank. The spray pipe 16 is arranged below the infrared camera body 9, and the spray head 17 is arranged below the cleaning plate 15.

[0022] The utility model also includes a control box arranged in an underground chamber, a controller is arranged in the control box, a control panel is arranged on the front of the control box, the controller is connected to the control panel through a wire, multiple output ends of the controller are respectively connected to the high-pressure pump 19, the drive motor 14, the second motor 8, and the third motor 4 through wires, the control panel is provided with corresponding switches of the high-pressure pump 19, the drive motor 14, the second motor 8, and the third motor 4, and the input end of the controller is connected to the particle concentration sensor 10. The infrared camera body 9 is connected to the original camera monitoring system.

[0023] The working principle of the utility model is as follows:

[0024] During operation, through the control panel, when it is necessary to adjust the lateral rotation angle of the infrared camera body 9, the controller controls the No. 3 motor 4 to drive the small gear 5 to rotate, the small gear 5 rotates to drive the large gear 3 to rotate, the large gear 3 rotates to drive the rotating bracket to rotate horizontally, and then drives the infrared camera body 9 to rotate horizontally. When it is necessary to adjust the pitch angle of the infrared camera body 9, the controller controls the No. 2 motor 8 to rotate to drive the second worm 7 to rotate, the second worm 7 rotates to drive the second worm gear 6 to rotate, the second worm gear 6 rotates to drive the fixed bracket to rotate, and then drives the infrared camera body 9 to rotate. When the particle concentration sensor 10 senses that the particle concentration in the air exceeds the threshold value, the controller controls the high-pressure pump 19 to work and supply the spray pipe 16 with air through the connecting hose 18. Water is sprayed through the spray pipe 16 through the spray head 17, and then the air is sprayed for dust removal. When the lens of the infrared camera body 9 needs to be cleaned, the controller controls the driving motor 14 to drive the first worm 13 to rotate, and the rotation of the first worm 13 drives the first worm gear 12 to rotate, and the rotation of the first worm gear 12 drives the driving rod 11 to rotate, and the rotation of the driving rod 11 drives the cleaning plate 15 to rotate. The cleaning plate 15 rotates to clean the infrared camera body 9. When the cleaning plate 15 rotates to the bottom, the cleaning plate 15 is just located in front of the spray head 17, and then the water mist sprayed by the spray head 17 wets and cleans the cleaning plate 15, which has a cleaning effect on the cleaning plate 15, thereby solving the problem of dust blocking the line of sight in the prior art and realizing the cleaning of the lens.

[0025] Regarding the specific structure of the utility model, it should be explained that the connection relationship between the various component modules adopted in the utility model is definite and feasible. Except for special instructions in the embodiments, the specific connection relationship can bring corresponding technical effects and solve the technical problems raised by the utility model without relying on the execution of corresponding software programs. The components, modules, models of specific components and the connection methods between each other appearing in the utility model, as well as the conventional use methods and expected technical effects brought about by the above-mentioned technical features, except for specific instructions, all belong to the disclosed contents in patents, journal articles, technical manuals, technical dictionaries, and textbooks that can be obtained by technical personnel in this field before the application date, or belong to the existing technologies such as conventional technologies and common knowledge in this field, and there is no need to elaborate, so that the technical solution provided in this case is clear, complete and feasible, and the corresponding physical products can be reproduced or obtained according to the technical means.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An infrared monitoring device for underground coal mines, comprising a mounting frame fixed near underground tunneling / fully-mechanized mining working face equipment, characterized in that: The mounting frame is connected to a rotating frame, the rotating frame includes a rotating frame and a fixed frame, a large gear is installed on the rotating frame, a No. 3 motor is installed on the mounting frame, a small gear is fixed on the output shaft of the No. 3 motor, the small gear is meshed with the large gear, a No. 2 motor is installed on the rotating frame, a second worm is fixedly connected to the output shaft of the No. 2 motor, a second worm is meshed with a second worm wheel, and the second worm wheel is fixed on the fixed frame; The infrared camera body and the particle concentration sensor are also fixed on the fixed bracket. A driving rod passes through the fixed bracket located below the infrared camera body. A first worm gear is fixed to one end of the driving rod. A first worm is meshed with the first worm gear. The first worm is fixedly connected to the output shaft of the driving motor. The driving motor is fixed on the fixed bracket. A cleaning plate is fixed to the other end of the driving rod. The cleaning plate is located outside the lens of the infrared camera body.

2. The infrared monitoring device for underground coal mine according to claim 1, characterized in that: A spray pipe is also fixed on the fixed bracket, one end of the spray pipe is connected to a spray head, the other end of the spray pipe is connected to a high-pressure pump through a connecting hose, the high-pressure pump is connected to a water source, and the spray head is arranged on the lower inner side of the cleaning plate.

3. The infrared monitoring device for underground coal mine according to claim 2, characterized in that: It also includes a control box, a control panel is arranged on the front of the control box, a controller is arranged in the control box, the controller is connected to the control panel through a wire, a plurality of output ends of the controller are respectively connected to a high-pressure pump, a drive motor, a No. 2 motor, and a No. 3 motor through wires, an input end of the controller is connected to a particle concentration sensor, and corresponding switches for the high-pressure pump, the drive motor, the No. 2 motor, and the No. 3 motor are arranged on the control panel.

4. An infrared monitoring device for underground coal mines according to claim 2 or 3, characterized in that: The spray pipe is arranged below the infrared camera body.

5. The infrared monitoring device for underground coal mine according to claim 1, characterized in that: The large gear is fixed on the driving shaft, one end of the driving shaft is fixedly connected to the rotating bracket, the other end of the driving shaft is connected to the bearing, the bearing is installed on the bearing seat, and the bearing seat is fixed on the fixing plate of the mounting frame.

6. The infrared monitoring device for underground coal mine according to claim 1, characterized in that: The third motor is fixed on the fixing plate of the mounting frame.

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