Detection device of coal conveying belt
The coal conveyor belt detection device, which combines a lifting assembly and a multi-angle camera layout with intelligent algorithms, solves the problems of low detection flexibility and accuracy, and achieves full coverage of the coal conveyor belt and rapid and accurate fault diagnosis.
Patent Information
- Application Number
- CN202520374925.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing coal conveyor belt detection devices have low detection flexibility and accuracy, cannot cover the entire area of the coal conveyor belt, are prone to inaccurate detection results due to blind spots or environmental interference, and rely on simple image processing technology, resulting in slow fault diagnosis speed and low accuracy.
A liftable detection structure is adopted, combined with a lifting component and a multi-angle camera layout. The detection module utilizes the BotNet multi-head self-attention mechanism and the Shape_IOU regression loss function to achieve multi-angle image acquisition and accurate determination of tearing conditions of coal conveyor belts.
It improves the flexibility and accuracy of the detection device, enabling it to adapt to detection in different layer height areas of the coal conveyor belt, enhances its anti-interference ability in complex environments, and improves the speed and accuracy of fault diagnosis.
Smart Images

Figure CN223690728U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal belt detection technical field, especially related to a kind of detection device of coal belt. BACKGROUND
[0002] In the existing coal belt detection, detection device mostly uses fixed height camera layout, cannot flexibly adjust detection height according to the actual running state of coal belt, lead to limited detection range, difficult to cover the full area of coal belt, prone to inaccurate detection result due to visual angle blind area or environmental interference, detection flexibility is lower.In addition, the existing coal belt detection device relying on visual detection usually relies on simple image processing technology, large data, slow processing speed, difficult to realize fast and accurate fault determination, detection accuracy is lower. SUMMARY
[0003] The utility model discloses a kind of detection device of coal belt, to solve the technical problem of lower detection flexibility and accuracy of the detection device of existing coal belt in prior art.
[0004] To achieve the above object, the utility model provides a kind of detection device of coal belt, including base, support, lifting structure and detection structure, the support is connected to the base and extends along vertical direction;The lifting structure is movably connected to the support;The lifting structure includes lifting assembly and frame, the frame is installed on the support by the lifting assembly, and the lifting assembly can drive the frame to lift along vertical direction;The detection structure includes installation shell, detection module and camera, the installation shell is installed on the frame, the detection module is housed in the installation shell, the camera is installed on the installation shell outside to be used for shooting the coal belt, the detection module includes input unit, feature extraction unit, feature fusion unit and output unit that are electrically connected in sequence, the camera is electrically connected to the input unit.
[0005] In an embodiment, the lifting assembly includes connecting plate, gear, rack and driving piece, the frame is surrounded outside the support, the rack is installed on the support and extends along vertical direction, the connecting plate is connected in the frame, the gear is rotatably connected on the connecting plate, and the gear is engaged with the rack, the driving piece is used to drive the gear rotation, to drive the frame along the rack lifting.
[0006] In an embodiment, the support frame comprises a plurality of vertical columns, each of which is connected to the base at a bottom end, the plurality of vertical columns are arranged at intervals, and any two adjacent vertical columns form an avoiding gap, the rack is mounted on one side of any vertical column facing the avoiding gap, the connecting plate extends into the avoiding gap, and the gear is located in the avoiding gap.
[0007] In an embodiment, the support frame comprises three vertical columns, the middle vertical column is mounted with two racks on two sides facing two avoiding gaps respectively, the frame is provided with two connecting positions corresponding to the two avoiding gaps respectively, two connecting plates are connected to the two connecting positions respectively and extend into the corresponding avoiding gaps, and the driving member is used to drive the two gears on the two connecting plates to rotate synchronously, so that the two connecting positions are lifted synchronously.
[0008] In an embodiment, two guide rails are mounted on the two vertical columns on the two sides respectively, the two guide rails are located in the two avoiding gaps respectively, each guide rail extends vertically, and each connecting plate is provided with a guide block on a side facing the guide rail, which is in sliding fit with the guide rail.
[0009] In an embodiment, the detection device further comprises a solar power supply for supplying power to the driving member, the camera and the detection module.
[0010] In an embodiment, the number of detection structures is two, and two mounting shells are mounted on the two sides of the frame in the longitudinal direction by two steering gears respectively, each steering gear comprises a rotating shaft extending in the longitudinal direction, and each mounting shell is connected to the rotating shaft of the corresponding steering gear.
[0011] In an embodiment, at least one camera is mounted on each mounting shell on the two sides in the transverse direction.
[0012] In an embodiment, at least two cameras are mounted on each mounting shell on the two sides in the transverse direction, at least one of which is an infrared camera, and the rest are visible light cameras.
[0013] In an embodiment, the detection device further comprises a processor, a display and an audible and visual alarm, the processor is communicatively connected to the output unit, and the display and the audible and visual alarm are electrically connected to the processor.
[0014] The utility model provides a detection device of coal conveying belt, the base is the bearing base of integral device, and is rigidly connected with the support of vertical extension, provides stable support and guide for the lifting structure, ensures that the camera lifts steadily, lifting structure drives the frame to move vertically along the support through the lifting assembly, drives the synchronous lifting of installation shell and camera, realizes the flexible adjustment of detection height, effectively improves the detection flexibility, and adapts the shooting demand of different floor height area of coal conveying belt, the detection structure takes installation shell as the carrier, and the external camera can carry out multi -angle image acquisition to the coal conveying belt, and the detection module built -in installation shell receives image signal through the input unit, and after the analysis of characteristic extraction unit, the integration information of feature fusion unit is completed by the output unit to judge the tearing condition of coal conveying belt, to realize the accurate detection of the tearing condition of coal conveying belt. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creating labor.
[0016] Figure 1 It is a stereoscopic structure schematic diagram of the detection device of coal conveying belt provided by the utility model one embodiment;
[0017] Figure 2 It is a side view structure schematic diagram of the detection device of coal conveying belt provided by the utility model one embodiment;
[0018] Figure 3 It is a top view structure schematic diagram of the detection device of coal conveying belt provided by the utility model one embodiment.
[0019] EXPLANATION OF DRAWINGS:
[0020] 10, base;20, support;21, stand;22, avoiding space;30, lifting structure;31, lifting assembly;311, connecting plate;312, gear;313, rack;314, driving piece;315, guide rail;316, guide block;32, frame;40, detection structure;41, installation shell;42, camera;43, rudder.
[0021] The realization, functional characteristics and advantages of the utility model will be further explained with reference to the drawings. DETAILED DESCRIPTION
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0023] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.
[0024] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0025] In this utility model, the descriptions of directions such as "up", "down", "front", "back", "left", and "right" are as follows: Figure 1 The directions shown are for reference only and are used to interpret the location. Figure 1 The relative positional relationship between the components in the shown posture is such that if the specific posture changes, the directional indication will also change accordingly.
[0026] In existing coal conveyor belt inspection systems, most detection devices employ a fixed-height camera layout. This prevents flexible adjustment of the detection height based on the actual operating conditions of the conveyor belt, resulting in a limited detection range that fails to cover the entire conveyor belt area. Furthermore, blind spots or environmental interference can easily lead to inaccurate results, limiting the system's flexibility. In addition, existing vision-based coal conveyor belt inspection devices typically rely on simple image processing techniques, resulting in large data volumes, slow processing speeds, and difficulty in achieving rapid and accurate fault diagnosis, leading to low detection accuracy.
[0027] The utility model provides a detection device of coal conveying belt, including base 10, support 20, lifting structure 30 and detection structure 40, support 20 is connected to base 10 and extends along the vertical direction, lifting structure 30 is movably connected to support 20, lifting structure 30 includes lifting assembly 31 and frame 32, frame 32 is installed to support 20 through lifting assembly 31, and lifting assembly 31 can drive frame 32 to lift along the vertical direction, detection structure 40 includes installation shell 41, detection module and camera 42, installation shell 41 is installed on frame 32, detection module is housed in installation shell 41, camera 42 is installed in installation shell 41 outside to be used for shooting coal conveying belt, and detection module includes input unit, feature extraction unit, feature fusion unit and output unit that are electrically connected in sequence, and camera 42 is electrically connected to input unit.
[0028] Please refer to Figure 1 , base 10 is as the support foundation of detection device, support 20 is connected to base 10 and extends along the vertical direction, provides stable support and guide for lifting structure 30. Frame 32 is movably installed on support 20 through lifting assembly 31, lifting assembly 31 drives frame 32 to lift along the vertical direction relative to support 20, installation shell 41 on frame 32 lifts together with frame 32 to drive camera 42 on installation shell 41 to lift, thereby realizing the height of camera 42 is adjusted, makes camera 42 can shoot coal conveying belt from different height positions.
[0029] The utility model provides a detection device of coal conveying belt, base 10 is as the bearing foundation of overall device, and is rigidly connected with the support 20 of vertical extension, provides stable support and guide for lifting structure 30, ensures that camera 42 lifts stably, lifting structure 30 drives frame 32 to move along the vertical direction of support 20 through lifting assembly 31, drives installation shell 41 and camera 42 to lift synchronously, realizes the flexible adjustment of detection height, effectively improves detection flexibility, adapts the shooting demand of different floor height area of coal conveying belt, detection structure 40 takes installation shell 41 as the carrier, and the external camera 42 can carry out multi-angle image acquisition to coal conveying belt, and the detection module built-in installation shell 41 receives image signal through input unit, and after the analysis of feature extraction unit, the integration information of feature fusion unit is completed by output unit to determine the tearing condition of coal conveying belt, to realize the accurate detection of the tearing condition of coal conveying belt.
[0030] It should be noted that the detection module includes an input unit, a feature extraction unit, a feature fusion unit and an output unit, the input unit is electrically connected to the camera 42, after the camera 42 shoots the image of the coal conveying belt, the input unit obtains the image information of the coal conveying belt, and sends the image information to the feature extraction unit, the feature extraction unit extracts the features of the image information through the BotNet multi-head self-attention mechanism, to obtain a plurality of image features of the coal conveying belt, the feature fusion unit fuses the plurality of image features to obtain the fusion features of the coal conveying belt, and sends the fusion features to the output unit, and finally the output unit calculates the fusion features of the coal conveying belt through the Shape_IOU regression loss function, and determines the fracture condition of the coal conveying belt based on the calculation result.
[0031] In the detection module, the feature extraction unit introduces the BotNet multi-head self-attention mechanism, the BotNet introduces the self-attention mechanism module in the Transformer model into the bottleneck structure of the ResNet, so that the BotNet can better alleviate the problem of gradient disappearance of the deep learning network, and the BotNet uses the multi-head self-attention mechanism MHS of the Transformer module, the multi-head of the MHSA can learn the image features of the torn coal conveying belt from different dimensions independently, greatly improving the ability of the model to obtain the image features of the coal conveying belt and the anti-interference ability in complex environment, and at the same time, the MHSA can use multi-head parallel processing of feature information, improving the efficiency of the tear detection. The Shape_IOU bounding box regression loss function introduced in the output unit can improve the detection accuracy of the model for small tear conditions, and can effectively improve the anti-interference ability of the model. Therefore, the detection structure 40 can detect the tear of the coal conveying belt through intelligent algorithm, realize the cooperative control of mechanical structure and intelligent algorithm, and further improve the accuracy of the detection of the coal conveying belt.
[0032] It can be understood that the input unit, the feature extraction unit, the feature fusion unit and the output unit respectively realize the interactive process of image input, feature extraction, feature fusion and output, which adopts the prior art. The detection device for the coal conveying belt of the utility model integrates the existing input unit, feature extraction unit, feature fusion unit and output unit into a detection module, and accommodates the detection module in the mounting shell 41, and realizes accurate detection of the tear of the coal conveying belt by the interaction between the input unit, the feature extraction unit, the feature fusion unit and the output unit.
[0033] In an embodiment, the lifting assembly 31 comprises a connecting plate 311, a gear 312, a rack 313 and a driving member 314, the frame 32 is arranged outside the support 20, the rack 313 is arranged on the support 20 and extends vertically, the connecting plate 311 is connected to the frame 32, the gear 312 is rotatably connected to the connecting plate 311, and the gear 312 is engaged with the rack 313, and the driving member 314 is used to drive the gear 312 to rotate, so as to drive the frame 32 to move up and down along the rack 313.
[0034] Please refer to Figure 2 , the lifting assembly 31 comprises a connecting plate 311, a gear 312, a rack 313 and a driving member 314, the frame 32 is arranged outside the support 20, the rack 313 is arranged on the support 20 and extends vertically, the connecting plate 311 is connected to the frame 32, the gear 312 is rotatably connected to the connecting plate 311, and the gear 312 is engaged with the rack 313, and the driving member 314 is used to drive the gear 312 to rotate, so as to drive the frame 32 to move up and down along the rack 313. Through the precise engagement of the gear 312 and the rack 313, the stability and accuracy of the lifting process are ensured, and the convenience of operation is improved through the automatic driving of the gear 312.
[0035] In an embodiment, the support 20 comprises a plurality of vertical columns 21, the bottom end of each vertical column 21 is connected to the base 10, the plurality of vertical columns 21 are arranged at intervals, and an avoidance gap is formed between any two adjacent vertical columns 21, the rack 313 is arranged on the side of any vertical column 21 facing the avoidance gap, the connecting plate 311 extends into the avoidance gap, and the gear 312 is located in the avoidance gap.
[0036] It can be explained that the rack 313 is arranged in the avoidance gap, the two ends of the connecting plate 311 are connected to the two sides of the frame 32, the middle part of the connecting plate 311 passes through the avoidance gap where the rack 313 is located, the gear 312 is connected to the middle part of the connecting plate 311, so that the gear 312 is arranged close to the rack 313 to engage with the rack 313. By arranging the gear 312 and the rack 313 in the avoidance gap, the gear 312 and the rack 313 are protected by the vertical column 21, so that the engagement transmission of the gear 312 and the rack 313 can be smoothly carried out in the avoidance gap, external interference is avoided, and the reliability and accuracy of the transmission are improved.
[0037] In an embodiment, the support 20 comprises three vertical columns 21, two racks 313 are arranged on the two sides of the middle vertical column 21 facing the two avoidance gaps, respectively, two connecting positions are arranged on the frame 32 corresponding to the two avoidance gaps, respectively, two connecting plates 311 are connected to the two connecting positions and extend into the corresponding avoidance gaps, respectively, and the driving member 314 is used to drive the two gears 312 on the two connecting plates 311 to rotate synchronously, so as to drive the two connecting positions to move up and down synchronously.
[0038] Please refer to Figure 1 and Figure 3 , Figure 1 the up-down direction in the above and below is vertical, Figure 1 the left-right direction in the left and right is horizontal, Figure 1 the front-rear direction in the front and back is longitudinal. The three vertical columns 21 are arranged in the longitudinal direction and form two avoidance gaps, and the vertical column 21 in the middle is provided with two racks 313 on both sides of the two avoidance gaps, and two connecting plates 311 are arranged in the two avoidance gaps, so that the two gears 312 on the two connecting plates 311 are engaged with the two racks 313 respectively. It can be explained that the frame 32 is connected to the support 20 in a lifting manner through the engagement of the two gears 312 and the racks 313, and by arranging two connecting plates 311 at two connecting positions, the two gears 312 on the two connecting plates 311 are engaged with the two racks 313 respectively, so as to provide stable support for the frame 32 through the lifting assembly 31, and effectively improve the connection stability of the lifting assembly 31 and the frame 32. The driving member 314 drives the two gears 312 to rotate synchronously, so that the two connecting positions are lifted synchronously, and the frame 32 remains horizontal during lifting. The design of double-sided driving not only enhances the carrying capacity of the lifting structure 30, but also effectively avoids the inclination or instability of the frame 32 caused by single-sided driving.
[0039] In an embodiment, the two vertical columns 21 on both sides are provided with guide rails 315, and the two guide rails 315 are located in the two avoidance gaps respectively, and each guide rail 315 extends in the vertical direction, and each connecting plate 311 is provided with a guide block 316 on the side facing the guide rail 315.
[0040] It can be understood that by arranging the guide rails 315 on the two vertical columns 21 and making the guide blocks 316 on the connecting plates 311 slide with the guide rails 315, the lifting assembly 31 can keep the direction fixed during lifting, so as to ensure that the frame 32 moves smoothly along the predetermined track during lifting, and drives the camera 42 to lift smoothly. Through the sliding cooperation of the guide rail 315 and the guide block 316, the stability and lifting precision of the camera 42 during lifting are further improved.
[0041] In an embodiment, the detection device further comprises a solar power supply for supplying power to the driving member 314, the camera 42 and the detection module.
[0042] It can be understood that the solar power supply provides power support for the driving member 314, the camera 42 and the detection module, so as to realize the self-power supply function of the device. Through the continuous power supply of the solar power supply, the detection device can be stably operated for a long time without external power supply, ensuring the continuity of the detection function, and further improving the sustainability of the detection device.
[0043] In an embodiment, the number of detection structures 40 is two, and the two mounting shells 41 are respectively mounted on the two sides of the frame 32 in the longitudinal direction by two steering mechanisms 43, each of which includes a rotating shaft extending in the longitudinal direction, and each mounting shell 41 is connected to the rotating shaft of the corresponding steering mechanism 43.
[0044] It should be noted that the two sides of the frame 32 in the longitudinal direction are each provided with a detection structure 40, and the two mounting shells 41 in the two detection structures 40 are respectively mounted on the two sides of the frame 32 in the longitudinal direction, each mounting shell 41 is connected to the rotating shaft of the steering mechanism 43, and the steering mechanism 43 can drive the mounting shell 41 connected thereto to rotate to drive the camera 42 to rotate, thereby flexibly changing the shooting angle and direction of the camera 42, and effectively improving the flexibility of the detection device.
[0045] In an embodiment, at least one camera 42 is mounted on each mounting shell 41 in the transverse direction.
[0046] Further, each detection structure 40 includes at least two cameras 42, and each mounting shell 41 is provided with at least one camera 42 on each side in the transverse direction, and the plurality of cameras 42 are respectively arranged on the two sides of the mounting shell 41, which can respectively shoot the coal conveying belts on the two sides of the detection device, so that the detection device can cover a wider detection range, thereby obtaining more comprehensive image information and improving the detection accuracy.
[0047] In an embodiment, at least two cameras 42 are mounted on each mounting shell 41 in the transverse direction, wherein at least one camera 42 is an infrared camera 42, and the remaining cameras 42 are visible light cameras 42.
[0048] Further, the plurality of cameras 42 on the two sides of each mounting shell 41 include at least one infrared camera 42 and one visible light camera 42, the visible light camera 42 is used to capture the conventional visual image of the coal conveying belt, which can intuitively reflect the appearance problems such as wear, tearing and material accumulation on the surface of the belt; and the infrared camera 42 can identify the temperature change of the belt during operation due to friction, overload or other abnormal conditions by detecting the heat radiation of the object, thereby warning potential safety hazards in advance. The configuration of multiple types of cameras 42 enables each detection structure 40 to simultaneously obtain visible light images and infrared images of the coal conveying belt, thereby realizing multi-modal detection of the detection device.
[0049] In an embodiment, the detection device further includes a processor, a display and an audible and light alarm, the processor is communicatively connected to the output unit, and the display and the audible and light alarm are both electrically connected to the processor.
[0050] It should be noted that the processor can receive the image of the coal conveying belt and the judgment result of the coal conveying belt tearing condition by the output unit, and transmit the image information and the judgment result to the display, so that the operator can intuitively view the running condition of the coal conveying belt through the display, when the tearing condition of the coal conveying belt is judged as abnormal, the processor can trigger the sound-light alarm to generate an alarm, reminding the on-site personnel to pay attention and timely handle the potential safety hazard. The operator can quickly obtain the detection information through the display, and the timely reminding of the sound-light alarm can effectively avoid the safety accidents caused by delayed processing, and further improve the operation safety and reliability of the coal conveying system. It should be noted that the processor, the display and the sound-light alarm and their interaction process all adopt the prior art.
[0051] The above merely describes exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.
Claims
1. A detection device for a coal conveyor belt, characterized in that, The utility model relates to a coal belt conveyor detection device, including: Base; Support, the support is connected to the base and extends vertically; Lifting structure, the lifting structure is movably connected to the support, the lifting structure includes lifting assembly and frame, the frame is installed to the support through the lifting assembly, and the lifting assembly can drive the frame to lift vertically, the lifting assembly includes connecting plate, gear, rack and drive piece, the frame surrounds the support outside, the rack is installed on the support and extends vertically, the connecting plate is connected in the frame, the gear is rotatably connected to the connecting plate, and the gear is engaged with the rack, the drive piece is used to drive the gear rotation, to drive the frame along the rack and lift; Detection structure, the detection structure includes installation shell, detection module and camera, the installation shell is installed on the frame, the detection module is received in the installation shell, the camera is installed outside the installation shell for shooting the coal belt, the detection module includes input unit, feature extraction unit, feature fusion unit and output unit which are electrically connected in sequence, the camera is electrically connected to the input unit.
2. The detection device of a coal conveyor belt according to claim 1, characterized in that, The support includes a plurality of vertical columns extending vertically, the bottom end of each vertical column is connected to the base, a plurality of vertical columns are arranged at intervals, and an avoidance gap is formed between any two adjacent vertical columns, the rack is installed on one side of any vertical column facing the avoidance gap, the connecting plate extends into the avoidance gap, and the gear is located in the avoidance gap.
3. The detection device of a coal conveyor belt according to claim 2, wherein The support includes three vertical columns, the vertical column located in the middle is provided with two racks on both sides facing two avoidance gaps, the frame is provided with two connecting positions corresponding to the positions of the two avoidance gaps, two connecting plates are connected to the two connecting positions and extend into the corresponding avoidance gaps, and the drive piece is used to drive the two gears on the two connecting plates to rotate synchronously, so that the two connecting positions are lifted synchronously.
4. The detection device of the coal conveying belt as claimed in claim 3, characterized in that, Two guide rails are installed on the two vertical columns on both sides, the two guide rails are located in the two avoidance gaps respectively, each guide rail extends vertically, and each connecting plate is provided with a guide block on the side facing the guide rail, which is in sliding cooperation with the guide rail.
5. The detection device of a coal conveyor belt according to claim 1, wherein The detection device further includes a solar power supply for supplying power to the drive piece, the camera and the detection module.
6. The detection device of a coal conveyor belt according to any one of claims 1 to 5, characterized in that, The number of detection structures is two, two installation shells are installed on the frame on both sides in the longitudinal direction through two servomotors respectively, and each servomotor includes a rotating shaft extending in the longitudinal direction, and each installation shell is connected to the rotating shaft of the corresponding servomotor.
7. The detection device of a coal conveyor belt according to claim 6, wherein At least one camera is installed on each installation shell on both sides in the transverse direction.
8. The detection device of a coal conveyor belt according to claim 7, wherein At least two cameras are installed on each installation shell on both sides in the transverse direction, wherein at least one camera is an infrared camera, and the remaining cameras are visible light cameras.
9. The detection device of a coal conveyor belt according to any one of claims 1 to 5, characterized in that, The detection device further includes a processor, a display and an audible and visual alarm, the processor is communicatively connected to the output unit, and the display and the audible and visual alarm are both electrically connected to the processor.