Driving face proximity detection device
By designing a protective cover, cleaning components, and spraying components to work in tandem on an infrared thermal imager, the problem of contaminant adhesion to the probe during underground coal mine tunneling operations was solved, improving imaging clarity and temperature measurement accuracy, and ensuring the accuracy and timeliness of hazard warnings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-04-07
AI Technical Summary
In existing infrared thermal imagers used in underground coal mine tunneling operations, the probes are easily contaminated with pollutants such as coal slurry and water mist, resulting in decreased image clarity and reduced temperature measurement accuracy, which affects the accuracy and timeliness of hazard warnings.
A proximity detection device for tunneling faces was designed, including a protective cover, a rotatable cleaning component, and a spraying component. The cleaning component is driven to fit and rotate to scrape against the protective cover, while the spraying component provides wet cleaning, thus preventing contaminant adhesion and improving cleaning efficiency and effectiveness.
It enables effective cleaning of infrared thermal imagers in complex downhole environments, maintaining image clarity and temperature measurement accuracy, and ensuring the accuracy and timeliness of hazard warnings.
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Figure CN224095272U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of coal mine production technology, and more specifically, to a proximity detection device for tunneling faces. Background Technology
[0002] The underground tunneling face in coal mines is a complex and variable environment with high dust concentrations, poor lighting conditions, and potential safety hazards such as gas accumulation. How to accurately and efficiently identify and warn of hazard levels has become a key technical challenge in the field of coal mine safety production. Currently, regional prediction methods based on coal seam and mining area scale are widely used both domestically and internationally. Among them, the target recognition fusion technology that combines personnel positioning system with infrared thermal imaging can effectively identify personnel approaching dangerous areas and trigger alarms or equipment shutdown mechanisms, providing double safety protection for workers.
[0003] However, existing technologies still have shortcomings in practical applications: although infrared thermal imagers can work stably in dark, dusty, and strong light interference environments underground, during tunneling operations, the probe surface is prone to contaminants such as coal slurry and water mist condensate. Due to the lack of effective automatic cleaning devices, these contaminants will gradually accumulate on the probe surface, resulting in decreased image clarity and increased temperature measurement accuracy deviation, affecting the accuracy and reliability of monitoring data, and potentially delaying the timeliness of hazard warnings. Summary of the Invention
[0004] The purpose of this application is to provide a proximity detection device for tunneling faces, which can solve the technical problem that although infrared thermal imagers are adapted to dark, dusty and bright environments underground, the probe is prone to coal sludge and water mist during tunneling. The lack of an automatic cleaning device will lead to the accumulation of pollutants, reduce the clarity of the image and the accuracy of temperature measurement, affect the accuracy of data, and thus delay the warning of danger.
[0005] This application provides a proximity detection device for a tunneling face, including a protective cover and a bearing seat fixedly mounted on an imager body. The protective cover covers the probe body of the imager body, and the bearing seat is sleeved on the outside of the protective cover. A mounting ring is rotatably mounted on the outside of the bearing seat. A cleaning component is hinged to the mounting ring, and a first drive assembly is provided on the mounting ring to drive the cleaning component to rotate and fit against the protective cover. A spray component is hinged to the imager body, and a second drive assembly is provided on the imager body to drive the mounting ring to rotate and a third drive assembly to drive the spray component to rotate.
[0006] The first drive component includes a first motor, which is connected to the cleaning component via an output shaft.
[0007] The second drive assembly includes a gear ring, a gear, a mounting bracket, and a second motor. The gear ring is fixedly sleeved on the outside of the mounting ring, the mounting bracket is fixedly mounted on the imager body, the second motor is fixedly mounted on the mounting bracket, and the output shaft of the second motor is connected to the gear, which meshes with the gear ring.
[0008] The third drive component includes a third motor, which is connected to the spray element via an output shaft.
[0009] The cleaning component includes a brush rod, which is hinged to the mounting ring.
[0010] The spraying component includes a spray pipe, a nozzle, and a flexible water inlet pipe. The spray pipe is hinged to the imager body, the nozzle is mounted on the spray pipe, and the water outlet of the nozzle faces the protective cover. The flexible water inlet pipe connects the spray pipe to an external water supply device.
[0011] The spray nozzles are provided in multiple ways, and the multiple spray nozzles are evenly distributed on the spray pipe.
[0012] The beneficial effects of this utility model are:
[0013] This utility model provides a proximity detection device for tunneling faces. The device protects the imager's probe from direct contamination or damage using a protective cover. A rotatable cleaning component and a spray component perform dual cleaning of the protective cover, achieving a coordinated "spraying and cleaning" operation to prevent dust and impurities from causing blurred images. A first drive component controls the contact pressure between the cleaning component and the protective cover, while a second drive component drives the cleaning component to move circumferentially, forming a composite cleaning mode of "rotational scraping and radial contact," improving cleaning efficiency and achieving comprehensive cleaning. Water sprayed from the spray component softens stubborn deposits, and a third drive component continuously changes the spray position, working in conjunction with the cleaning component to achieve wet cleaning and improve the cleaning effect. After cleaning, the cleaning component and spray component can be moved away from the protective cover to prevent obstruction and ensure normal monitoring operations. Attached Figure Description
[0014] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1This is a schematic diagram of the front view structure of the imager body and the probe body in some embodiments of this application;
[0016] Figure 2 This is a schematic diagram of the overall front view structure in some embodiments of this application;
[0017] Figure 3 This is a schematic diagram of the overall side view structure in some embodiments of this application.
[0018] The reference numerals in the attached figures are as follows:
[0019] 1. Imager body; 11. Probe body;
[0020] 2. Protective cover;
[0021] 3. Bearing housing;
[0022] 4. Install the ring;
[0023] 5. Cleaning components; 51. Brush handle;
[0024] 6. First drive assembly; 61. First motor;
[0025] 7. Spraying components; 71. Spraying pipe; 72. Spray nozzle; 73. Flexible water inlet pipe;
[0026] 8. Second drive assembly; 81. Gear ring; 82. Gear; 83. Mounting bracket; 84. Second motor;
[0027] 9. Third drive component; 91. Third motor. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0029] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0031] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0032] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0033] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0034] like Figures 1 to 3 As shown, this application embodiment provides a proximity detection device for a tunneling face, including a protective cover 2 and a bearing seat 3 fixedly mounted on an imager body 1. The protective cover 2 covers the probe body 11 of the imager body 1, and the bearing seat 3 is sleeved on the outside of the protective cover 2. A mounting ring 4 is rotatably mounted on the outside of the bearing seat 3. A cleaning component 5 is hinged on the mounting ring 4. A first drive assembly 6 is provided on the mounting ring 4 to drive the cleaning component 5 to rotate to fit against the protective cover 2. A spray component 7 is hinged on the imager body 1. A second drive assembly 8 is provided on the imager body 1 to drive the mounting ring 4 to rotate, and a third drive assembly 9 is provided on the imager body 1 to drive the spray component 7 to rotate.
[0035] When the protective cover 2 needs to be cleaned, the first drive assembly 6 drives the cleaning component 5 to rotate until it fits against the protective cover 2. Then, the second drive assembly 8 drives the mounting ring 4 to rotate. As the cleaning component 5 rotates with the mounting ring 4, it cleans the protective cover 2. The cleaning component 5 can cover the entire surface of the protective cover 2. At the same time, the third drive assembly 9 drives the spray component 7 to rotate along the protective cover 2. The spray component 7 cleans the protective cover 2 until the cleaning is completed. After the cleaning is completed, the third drive assembly 9 drives the spray component 7 to rotate away from the protective cover 2. Then, the first drive assembly 6 drives the cleaning component 5 to rotate away from the protective cover 2.
[0036] The device protects the probe body 11 of the imager 1 from direct contamination or damage through a protective cover 2. It also performs dual cleaning of the protective cover 2 using a rotatable cleaning component 5 and a spray component 7, achieving a coordinated "spraying and cleaning" operation to prevent dust and impurities from causing blurred images. The first drive assembly 6 controls the contact pressure between the cleaning component 5 and the protective cover 2, while the second drive assembly 8 drives the cleaning component 5 to move circumferentially, forming a composite cleaning mode of "rotational scraping and radial contact," improving cleaning efficiency and achieving comprehensive cleaning. The water sprayed by the spray component 7 softens stubborn deposits, and the third drive assembly 9 continuously changes the spray position of the spray component 7, working in conjunction with the cleaning component 5 to achieve wet cleaning and improve the cleaning effect. After cleaning, the cleaning component 5 and the spray component 7 can be moved away from the protective cover 2 to prevent obstruction and ensure the normal operation of the monitoring work.
[0037] The protective cover 2 can be made of glass, which will not affect the normal monitoring operation of the probe body 11, and can also provide protection.
[0038] like Figure 2 and 3 As shown, in this embodiment, the first drive component 6 includes a first motor 61, which is connected to the cleaning component 5 via an output shaft. In use, the first motor 61 is turned on to drive the cleaning component 5 to rotate. When rotating forward, the cleaning component 5 adheres to the surface of the protective cover 2 for cleaning, and when rotating in reverse, it moves away from the protective cover 2 to avoid interfering with the detection operation.
[0039] like Figure 2 and 3 As shown, in this embodiment, the second drive assembly 8 includes a gear ring 81, a gear 82, a mounting bracket 83, and a second motor 84. The gear ring 81 is fixedly sleeved on the outside of the mounting ring 4, the mounting bracket 83 is fixedly mounted on the imager body 1, the second motor 84 is fixedly mounted on the mounting bracket 83, and the output shaft of the second motor 84 is connected to the gear 82, and the gear 82 meshes with the gear ring 81.
[0040] When in use, the second motor 84 is turned on to drive the gear 82 to rotate, the gear 82 drives the gear ring 81 to rotate, the mounting ring 4 rotates with the gear ring 81, and the mounting bracket 83 fixes the position of the gear 82 to ensure transmission stability.
[0041] like Figure 2 and 3 As shown, in this embodiment, the third drive component 9 includes a third motor 91, which is connected to the spray component 7 via an output shaft. In use, the third motor 91 is turned on to drive the spray component 7 to rotate along the protective cover 2, continuously changing the spray position, thereby changing the cleaning area of the protective cover 2 and expanding the cleaning coverage.
[0042] The first motor 61, the second motor 84, and the third motor 91 are all equipped with protective shells. These shells prevent dust or liquid from entering, avoiding interference and damage to the motors, thus improving their reliability and stability and extending their service life.
[0043] like Figure 2 and 3 As shown, in this embodiment, the cleaning component 5 includes a brush rod 51, which is hinged to the mounting ring 4. In use, the brush rod 51 brushes and cleans the protective cover 2 as it rotates with the mounting ring 4. The flexible brush rod 51 will not damage the surface of the protective cover 2.
[0044] like Figure 2 and 3 As shown, in this embodiment, the spraying component 7 includes a spray pipe 71, a nozzle 72, and a flexible water inlet pipe 73. The spray pipe 71 is hinged to the imager body 1, the nozzle 72 is disposed on the spray pipe 71, and the water outlet end of the nozzle 72 faces the protective cover 2. The flexible water inlet pipe 73 connects the spray pipe 71 to the external water supply equipment.
[0045] During use, the external water supply equipment supplies water to the spray pipe 71 through the flexible water inlet pipe 73. The nozzle 72 atomizes the water flow and sprays it onto the surface of the protective cover 2 for cleaning. The flexible water inlet pipe 73 solves the problem of water supply pipe pulling caused by the rotation of the spray pipe 71.
[0046] like Figure 2 and 3 As shown, in this embodiment, multiple nozzles 72 are provided, and the multiple nozzles 72 are evenly distributed on the spray pipe 71; the evenly distributed nozzles 72 are stacked to form a spray area that completely covers the protective cover 2.
[0047] Working principle: When the tunneling face proximity detection device provided in this application needs to clean the protective cover 2, the first motor 61 is turned on to drive the brush rod 51 to rotate until it is in contact with the protective cover 2. Then the second motor 84 is turned on to drive the gear 82 to rotate. The gear 82 drives the gear ring 81 to rotate. The mounting ring 4 rotates with the gear ring 81. When the brush rod 51 rotates with the mounting ring 4, it brushes and cleans the protective cover 2. The brush rod 51 can cover the entire surface of the protective cover 2. At the same time, the third motor 91 is turned on to drive the spray component 7 to rotate along the protective cover 2. The external water supply equipment supplies water to the spray pipe 71 through the flexible water inlet pipe 73. The nozzle 72 atomizes the water flow and sprays it onto the surface of the protective cover 2 for cleaning until the cleaning is completed.
[0048] After cleaning is completed, the third drive assembly 9 drives the sprayer 7 to rotate away from the protective cover 2, and then the first drive assembly 6 drives the brush rod 51 to rotate away from the protective cover 2.
[0049] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. A proximity detection device for a tunneling face, characterized in that: The device includes a protective cover (2) and a bearing seat (3) fixedly mounted on the imager body (1). The protective cover (2) covers the probe body (11) of the imager body (1). The bearing seat (3) is sleeved on the outside of the protective cover (2). A mounting ring (4) is rotatably mounted on the outside of the bearing seat (3). A cleaning component (5) is hinged on the mounting ring (4). A first drive assembly (6) is provided on the mounting ring (4) to drive the cleaning component (5) to rotate to fit against the protective cover (2). A spray component (7) is hinged on the imager body (1). A second drive assembly (8) is provided on the imager body (1) to drive the mounting ring (4) to rotate and a third drive assembly (9) is provided to drive the spray component (7) to rotate.
2. The proximity detection device for tunneling faces according to claim 1, characterized in that: The first drive assembly (6) includes a first motor (61), which is connected to the cleaning component (5) via an output shaft.
3. The proximity detection device for tunneling faces according to claim 1, characterized in that: The second drive assembly (8) includes a gear ring (81), a gear (82), a mounting bracket (83), and a second motor (84). The gear ring (81) is fixedly sleeved on the outside of the mounting ring (4). The mounting bracket (83) is fixedly mounted on the imager body (1). The second motor (84) is fixedly mounted on the mounting bracket (83), and the output shaft of the second motor (84) is connected to the gear (82). The gear (82) meshes with the gear ring (81).
4. The proximity detection device for tunneling faces according to claim 1, characterized in that: The third drive assembly (9) includes a third motor (91), which is connected to the spray element (7) via an output shaft.
5. The proximity detection device for tunneling faces according to claim 1, characterized in that: The cleaning component (5) includes a brush rod (51) which is hinged to the mounting ring (4).
6. The proximity detection device for tunneling faces according to claim 1, characterized in that: The spraying component (7) includes a spray pipe (71), a nozzle (72), and a flexible water inlet pipe (73). The spray pipe (71) is hinged to the imaging instrument body (1). The nozzle (72) is mounted on the spray pipe (71), and the water outlet end of the nozzle (72) faces the protective cover (2). The flexible water inlet pipe (73) connects the spray pipe (71) to an external water supply device.
7. The proximity detection device for tunneling faces according to claim 6, characterized in that: The nozzles (72) are provided in multiple ways, and the multiple nozzles (72) are evenly distributed on the spray pipe (71).