Dustproof mining camera
By introducing a combination of ventilation fans and semiconductor cooling sheets into mining cameras, a flat wind curtain is formed, which solves the problems of dust blockage and noise, realizes a low-noise, dust-proof camera design, and improves the video surveillance effect of coal mine safety production.
Patent Information
- Application Number
- CN202422918640.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing mining cameras are prone to dust clogging the filter cover and generating spiral wind curtain noise in coal mine environments, affecting the video surveillance effect.
A ventilation fan is used to draw in external air and cool it down through semiconductor refrigeration sheets to form a flat air curtain. Combined with a detachable dust-proof structure and a cleaning structure, it reduces noise and removes dust.
Effectively reduce noise, prevent dust blockage, and increase camera service life and monitoring effect.
Smart Images

Figure CN223414936U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of video monitoring, in particular to a dust-proof mining camera. Background Art
[0002] As an important energy supply base, coal mine production safety has always been the focus of global attention. With the development of science and technology, coal mine production safety technology has continued to improve, and the application of intelligent, information and automation technologies in coal mines has become more and more extensive. Coal mine cameras are an important part of the coal mine production safety monitoring system. They are mainly used to monitor the working environment, equipment operation status, personnel activities, etc. in the mine, providing real-time video monitoring and data analysis support for coal mine production safety.
[0003] After searching, the patent with announcement number CN219329789U discloses a dust-proof camera device for mining. Although the device outputs fresh air to the shielding cover through the air duct, the inclined air outlet at the front end of the shielding cover forms an oblique wind curtain, forming a first layer of barrier, but the wind flow passing through the device can take away the heat generated by the device itself. The high-temperature airflow will accelerate the propagation of noise, and the generated spiral wind curtain noise is also relatively large. In addition, there is a lot of dust under the coal mine, which can easily clog the filter cover. Therefore, those skilled in the art provide a dust-proof mining camera to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the present utility model is to solve the shortcomings existing in the prior art, and a dust-proof mining camera is proposed. By controlling the start-up of the ventilation fan, the ventilation fan draws outside air into the interior of the camera housing, and by starting the semiconductor refrigeration plate, the incoming air is cooled. While cooling the image acquisition module inside the camera housing, the air flows out after being guided by the first air duct, and enters the second air duct through the end of the camera housing to form a flat wind curtain, thereby reducing the occurrence of spiral wind curtains that cause loud noise, and the air with lowered temperature can reduce noise.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust-proof mining camera, comprising a camera housing, an image acquisition module and a baffle, the baffle being arranged at one side of the interior of the camera housing, the image acquisition module being arranged at the center of one side wall of the baffle, a protective shell being provided at the upper outer side of the camera housing, a ventilation fan being provided at the other side of the interior of the camera housing, a cooling structure being provided on the lower inner wall of the camera housing on one side of the ventilation fan, a storage tank being provided on the upper end surface of the camera housing on the other side of the ventilation fan, a dust-proof structure being provided inside the storage tank, slide grooves being provided at the front and rear ends of the center of the other side wall of the camera housing, a cleaning structure being provided inside the two slide grooves, a first air duct being provided at the upper center of one side wall of the baffle, the other end of the first air duct sequentially penetrating one side wall of the baffle and the upper inner wall of the camera housing to the upper inner wall of the camera housing on the side of the baffle, and a second air duct being provided on the lower inner wall of the camera housing at the output end of the first air duct;
[0006] Through the above technical solution, the inside of the camera housing is cooled by the cooling structure and then blown out through the first air duct to form a parallel wind curtain, reducing the generation of noise. The dust-proof structure is then cleaned by the cleaning structure, and the dust-proof structure is also easy to disassemble and replace.
[0007] Furthermore, the protective shell includes a shell, the upper end surface of the shell is semicircular, the upper end surface of the shell is rectangularly arranged with a plurality of grooves, and the inner side walls of the plurality of grooves are chamfered;
[0008] Through the above technical solution, multiple grooves are opened on the upper end surface of the protective shell, and the uneven shell surface can increase the overall strength of the shell, while the chamfers inside the multiple grooves facilitate later cleaning.
[0009] Furthermore, the dustproof structure includes a frame, the frame is slidably connected to the inside of the storage tank, the dustproof net is fixedly connected to the inside of the frame, a pull ring is fixedly connected to the center of the upper end surface of the frame, and limit blocks are provided at one side of the front and rear ends of the upper end of the frame, and the two limit blocks are rotatably connected to the upper end surface of the camera housing;
[0010] Through the above technical solution, when there is too much dust to clean, you can rotate the two limit blocks and take out the frame through the pull ring. After replacement or cleaning, put the frame into the storage slot and rotate the two limit blocks to fit the upper end surface of the frame for limiting, which is convenient for replacing the dust net.
[0011] Furthermore, the cleaning structure includes two sliders, the two sliders are slidably connected inside the two chutes, one end of the two sliders respectively passes through the two chutes to one side of the two chutes, a connecting plate is fixedly connected between the two sliders, and a brush is fixedly connected to the center of one side wall of the connecting plate;
[0012] With the above technical solution, when the dust screen is clogged, the connecting plate is pushed up and down, and the brush at one end of the connecting plate cleans the dust accumulated on the dust screen.
[0013] Furthermore, the cooling structure includes a semiconductor refrigeration plate, which is arranged on the lower inner wall of the camera housing. The hot end of the semiconductor refrigeration plate passes through the lower inner wall of the camera housing and is connected to the lower end surface of the camera housing. A third air duct is opened on the lower inner wall of the camera housing on the other side of the semiconductor refrigeration plate. One end of the third air duct passes through the lower inner wall of the camera housing and is connected to the lower end surface of the camera housing. A guide plate is provided on the lower end surface of the camera housing at the output end of the third air duct.
[0014] Through the above technical solution, air enters the guide plate through the third air duct, is guided by the inclined guide plate, and then blows toward the hot end of the semiconductor refrigeration plate.
[0015] Furthermore, the third air channel is arranged obliquely, and the output end of the guide plate is located on one side of the hot end of the semiconductor refrigeration plate;
[0016] Through the above technical solution, the air at the hot end of the air semiconductor refrigeration plate is blown away through the guide plate, thereby air-cooling the hot end of the semiconductor refrigeration plate and improving the service life of the semiconductor refrigeration plate.
[0017] The utility model has the following beneficial effects:
[0018] 1. In the present utility model, the dust-proof mining camera is activated by controlling the ventilation fan, which draws outside air into the camera housing. The semiconductor refrigeration plate is activated to cool the incoming air. While cooling the image acquisition module inside the camera housing, the air flows out after being guided by the first air duct and enters the second air duct through the end of the camera housing, forming a flat air curtain. This reduces the occurrence of spiral air curtains that cause loud noise, and the cooled air can reduce noise.
[0019] 2. In this utility model, since there is a lot of dust under the coal mine, when the dust screen is blocked, the brush at one end of the connecting plate is used to clean the dust accumulated on the dust screen by pushing the connecting plate up and down. When the dust is too much to clean, the two limit blocks can be rotated and the frame can be taken out through the pull ring to facilitate the replacement of the dust screen.
[0020] 3. In the present invention, a plurality of grooves are provided on the upper end surface of the protective shell. The uneven shell surface can increase the overall strength of the shell, and the chamfers inside the plurality of grooves are convenient for later cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1This is a stereoscopic diagram of a dust-proof mining camera proposed in the present invention;
[0022] Figure 2 This is a three-dimensional cross-sectional view of a dust-proof mining camera proposed in the utility model;
[0023] Figure 3 This is a top sectional view of a dust-proof mining camera proposed in the present invention;
[0024] Figure 4 for Figure 3 Enlarged schematic diagram of point A in the middle.
[0025] Legend:
[0026] 1. Camera housing; 2. Protective shell; 201. Shell; 202. Groove; 3. Dust-proof structure; 301. Frame; 302. Limit block; 303. Pull ring; 304. Dust-proof net; 4. Cleaning structure; 401. Slider; 402. Connecting plate; 403. Brush; 5. Storage tank; 6. First air duct; 7. Second air duct; 8. Image acquisition module; 9. Cooling structure; 901. Semiconductor refrigeration plate; 902. Third air duct; 903. Guide plate; 10. Slide; 11. Ventilation fan; 12. Baffle. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] Reference Figure 1-4The utility model provides an embodiment: a dust-proof mining camera, including a camera housing 1, an image acquisition module 8 and a baffle 12. The baffle 12 is arranged on one side of the camera housing 1, and the image acquisition module 8 is arranged at the center of one side wall of the baffle 12. A protective shell 2 is provided on the upper side of the outer side of the camera housing 1, and a ventilation fan 11 is provided on the other side of the camera housing 1. A cooling structure 9 is provided on the lower inner wall of the camera housing 1 on one side of the ventilation fan 11. A storage tank 5 is provided on the upper end surface of the camera housing 1 on the other side of the ventilation fan 11. A dust-proof structure 3 is provided inside the storage tank 5. The dust-proof structure 3 is also easy to disassemble and replace. In exchange, slide grooves 10 are provided at the front and rear ends of the center of the other side wall of the camera housing 1, and cleaning structures 4 are provided inside the two slide grooves 10, and the dust-proof structure 3 is cleaned by the cleaning structure 4. A first air duct 6 is provided at the upper center of one side wall of the baffle 12, and the other end of the first air duct 6 passes through one side wall of the baffle 12 and the upper inner wall of the camera housing 1 in sequence, and passes to the upper inner wall of the camera housing 1 on the side of the baffle 12. A second air duct 7 is provided on the lower inner wall of the camera housing 1 at the output end of the first air duct 6. The interior of the camera housing 1 is cooled by the cooling structure 9 and then blown out through the first air duct 6 to form a parallel wind curtain to reduce noise generation.
[0029] The protective shell 2 includes a shell 201. The upper end surface of the shell 201 is semicircular. The upper end surface of the shell 201 is rectangularly arranged with multiple grooves 202. The inner side walls of the multiple grooves 202 are chamfered. The upper end surface of the protective shell 2 is provided with multiple grooves 202. The uneven surface of the shell 201 can increase the overall strength of the shell 201, and the chamfers inside the multiple grooves 202 are convenient for later cleaning.
[0030] The dustproof structure 3 includes a frame 301, which is slidably connected to the inside of the storage slot 5. The dustproof net 304 is fixedly connected to the inside of the frame 301. A pull ring 303 is fixedly connected to the center of the upper end surface of the frame 301. Limit blocks 302 are provided on one side of the front and rear ends of the upper end of the frame 301. The two limit blocks 302 are rotatably connected to the upper end surface of the camera housing 1. When there is too much dust to clean, the two limit blocks 302 can be rotated and the frame 301 can be taken out through the pull ring 303. After replacement or cleaning, the frame 301 can be stuffed into the storage slot 5, and the two limit blocks 302 are rotated to fit on the upper end surface of the frame 301 for limiting, so as to facilitate the replacement of the dustproof net 304.
[0031] The cleaning structure 4 includes two sliders 401, which are respectively slidably connected to the inside of the two slide grooves 10. One end of the two sliders 401 passes through the two slide grooves 10 and reaches one side of the two slide grooves 10. A connecting plate 402 is fixedly connected between the two sliders 401, and a brush 403 is fixedly connected to the center of one side wall of the connecting plate 402. When the dust net 304 is blocked, the brush 403 at one end of the connecting plate 402 cleans the dust accumulated on the dust net 304 by pushing the connecting plate 402 up and down.
[0032] The cooling structure 9 includes a semiconductor refrigeration plate 901, which is arranged on the lower inner wall of the camera housing 1. The hot end of the semiconductor refrigeration plate 901 passes through the lower inner wall of the camera housing 1 and reaches the lower end surface of the camera housing 1. A third air duct 902 is provided on the lower inner wall of the camera housing 1 on the other side of the semiconductor refrigeration plate 901. One end of the third air duct 902 passes through the lower inner wall of the camera housing 1 and reaches the lower end surface of the camera housing 1. A guide plate 903 is provided on the lower end surface of the camera housing 1 at the output end of the third air duct 902. The air enters the guide plate 903 through the third air duct 902, and is guided by the inclined guide plate 903 and then blows toward the hot end of the semiconductor refrigeration plate 901.
[0033] The third air duct 902 is set at an angle, and the output end of the guide plate 903 is located on one side of the hot end of the semiconductor refrigeration chip 901. The air at the hot end of the semiconductor refrigeration chip 901 is blown away by the air of the guide plate 903, thereby cooling the hot end of the semiconductor refrigeration chip 901 and improving the life of the semiconductor refrigeration chip 901.
[0034] Working principle: When in use, the ventilation fan 11 is started, and the ventilation fan 11 draws the outside air into the camera housing 1. By starting the semiconductor refrigeration plate 901, the incoming air is cooled. While cooling the image acquisition module 8 inside the camera housing 1, the air flows out after being guided by the first air duct 6, and enters the second air duct 7 through the end of the camera housing 1, forming a flat wind curtain, reducing the occurrence of spiral wind curtains that cause loud noise, and the air with lowered temperature can reduce noise.
[0035] Because there is a lot of dust under the coal mine, when the dustproof net 304 is blocked, the connecting plate 402 is pushed up and down, and the brush 403 at one end of the connecting plate 402 cleans the dust accumulated on the dustproof net 304. When there is too much dust to clean, the two limit blocks 302 can be rotated and the frame 301 can be taken out through the pull ring 303. After replacement or cleaning, the frame 301 can be stuffed into the storage tank 5, and the two limit blocks 302 are rotated to fit the upper end surface of the frame 301 for limiting, so as to facilitate the replacement of the dustproof net 304.
[0036] The air enters the guide plate 903 through the third air duct 902, and is blown toward the hot end of the semiconductor refrigeration chip 901 after being guided by the inclined guide plate 903. The air at the hot end of the semiconductor refrigeration chip 901 is blown away by the air passing through the guide plate 903, thereby air-cooling the hot end of the semiconductor refrigeration chip 901 and improving the service life of the semiconductor refrigeration chip 901. A plurality of grooves 202 are provided on the upper end surface of the protective shell 2, and the uneven surface of the shell 201 can increase the overall strength of the shell 201, and the chamfers inside the plurality of grooves 202 are convenient for later cleaning.
[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A dustproof mining camera, comprising a camera housing (1), an image acquisition module (8) and a baffle (12), wherein the baffle (12) is arranged on one side of the camera housing (1), and the image acquisition module (8) is arranged at the center of a side wall of the baffle (12), characterized in that: A protective shell (2) is provided at the upper outer side of the camera housing (1), a ventilation fan (11) is provided at the other side of the camera housing (1), a cooling structure (9) is provided on the lower inner wall of the camera housing (1) on one side of the ventilation fan (11), a storage slot (5) is provided on the upper end surface of the camera housing (1) on the other side of the ventilation fan (11), a dustproof structure (3) is provided inside the storage slot (5), a slide groove (10) is provided at the front and rear ends of the center of the other side wall of the camera housing (1), a cleaning structure (4) is provided inside the two slide grooves (10), a first air duct (6) is provided at the upper center of one side wall of the baffle (12), the other end of the first air duct (6) passes through the one side wall of the baffle (12) and the upper inner wall of the camera housing (1) in sequence and passes to the upper inner wall of the camera housing (1) on the side of the baffle (12), and a second air duct (7) is provided on the lower inner wall of the camera housing (1) at the output end of the first air duct (6).
2. The dust-proof mining camera according to claim 1, characterized in that: The protective shell (2) comprises a shell (201), the upper end surface of the shell (201) is semicircular, the upper end surface of the shell (201) is rectangularly arranged and provided with a plurality of grooves (202), and the inner side walls of the plurality of grooves (202) are all provided with chamfers.
3. The dust-proof mining camera according to claim 1, characterized in that: The dustproof structure (3) includes a frame (301), the frame (301) is slidably connected to the inside of the storage tank (5), the dustproof net (304) is fixedly connected to the inside of the frame (301), a pull ring (303) is fixedly connected at the center of the upper end surface of the frame (301), and limit blocks (302) are provided at one side of the front and rear ends of the upper end of the frame (301), and the two limit blocks (302) are rotatably connected to the upper end surface of the camera housing (1).
4. The dust-proof mining camera according to claim 1, characterized in that: The cleaning structure (4) comprises two sliders (401), the two sliders (401) are respectively slidably connected inside the two chute grooves (10), one end of the two sliders (401) respectively passes through the two chute grooves (10) and reaches one side of the two chute grooves (10), a connecting plate (402) is fixedly connected between the two sliders (401), and a brush (403) is fixedly connected to the center of one side wall of the connecting plate (402).
5. The dust-proof mining camera according to claim 1, characterized in that: The cooling structure (9) includes a semiconductor cooling plate (901), which is arranged on the lower inner wall of the camera housing (1), and the hot end of the semiconductor cooling plate (901) passes through the lower inner wall of the camera housing (1) and reaches the lower end surface of the camera housing (1). A third air duct (902) is provided on the lower inner wall of the camera housing (1) on the other side of the semiconductor cooling plate (901), and one end of the third air duct (902) passes through the lower inner wall of the camera housing (1) and reaches the lower end surface of the camera housing (1). A guide plate (903) is provided on the lower end surface of the camera housing (1) at the output end of the third air duct (902).
6. The dust-proof mining camera according to claim 5, characterized in that: The third air channel (902) is arranged obliquely, and the output end of the guide plate (903) is located on one side of the hot end of the semiconductor refrigeration plate (901).
Citation Information
Patent Citations
Mining dustproof camera device
CN219329789U