An on-line material detection device

Abstract

The utility model provides a kind of material on-line detection device, for the particle size of material transported on conveying belt is carried out real-time detection, including support, image acquisition component, light source component and image detection system, support includes the beam straddling on conveying belt top;Image acquisition component is rotatably connected on beam, including the camera for obtaining the image of material;Light source component is connected on beam, including at least one light source capable of moving along the extension direction of beam, light source is used to light compensation when camera obtains image;Image detection system is electrically connected with image acquisition component and light source component, to control the opening and closing of image acquisition component and light source component, and image detection system is used to identify image, to determine the particle size of material, to facilitate real-time feedback the particle size of material, the particle size of material can be adjusted in time, to facilitate improving the permeability of blast furnace charge in blast furnace, and then facilitate improving the degree of indirect reduction of material.

Description

Technical Field

[0001] This utility model relates to the field of material detection technology, and in particular to an online material detection device. Background Technology

[0002] In steel production, raw materials and fuels need to be charged separately into the blast furnace for smelting. Uniform particle size of raw materials and fuels improves the permeability of the furnace charge and increases the indirect reduction rate of the raw materials and fuels. Since the particle size and distribution of raw materials and fuels directly affect the stable operation of the blast furnace, raw material and fuel management is one of the most important aspects of blast furnace operation.

[0003] Currently, particle size detection of raw materials mainly adopts traditional sieving methods and manual detection methods. These methods have low detection efficiency and low accuracy, and particle size information cannot be fed back online in real time, resulting in a long lag time for particle size adjustment, which cannot meet the requirements of modern large-scale production.

[0004] Therefore, a new solution is needed to address the aforementioned technical problems. Utility Model Content

[0005] This invention provides an online material detection device to solve the technical problem that existing technologies cannot obtain the size of raw material particles in real time.

[0006] This utility model provides an online material detection device for real-time detection of particle size of materials transported on a conveyor belt. The device includes a support, an image acquisition component, a light source component, and an image detection system. The support includes a crossbeam spanning above the conveyor belt. The image acquisition component is rotatably connected to the crossbeam and includes a camera for acquiring images of the material. The light source component is connected to the crossbeam and includes at least one light source movable along the extension direction of the crossbeam, which provides supplementary lighting for the camera when acquiring the image. The image detection system is electrically connected to the image acquisition component and the light source component to control their opening and closing, and is used to identify the image to determine the particle size of the material.

[0007] In one embodiment of the present invention, the image acquisition component further includes a rotating component connected to the crossbeam and a protective component connected to the movable end of the rotating component. The rotating component drives the protective component to rotate relative to the crossbeam, and the protective component has a cavity for accommodating the camera.

[0008] In one embodiment of the present invention, the rotating component includes a first adapter plate connected to the crossbeam, two connecting seats connected to the first adapter plate, a first bearing connected to the connecting seats, a rotating shaft connected to the first bearing, a rotating plate connected between the two rotating shafts, and a first driving member connected to one of the rotating shafts. The two connecting seats are spaced apart along the extension direction of the crossbeam. The protective component is connected to the rotating plate. The first driving member drives the rotating shaft to rotate, thereby causing the protective component to rotate relative to the crossbeam.

[0009] In one embodiment of the present invention, the protective component includes a bottom plate, an outer cover, a front cover plate, and a rear cover plate constituting the chamber. The chamber is further provided with a mounting plate and an adjustment plate connected to the mounting plate. The camera is connected to the adjustment plate. The front cover plate is provided with an opening, and a lens cover is connected to the opening. The viewing area of ​​the lens cover is positioned opposite to the lens of the camera.

[0010] In one embodiment of the present invention, the protective component further includes an air pipe connector connected to the base plate, wherein the air outlet of the air pipe connector is located inside the chamber; the air inlet of the air pipe connector is located outside the chamber and is connected to the air pump and the cooler via an air pipe.

[0011] In one embodiment of the present invention, the light source assembly further includes a moving component, on which two sets of light source groups are disposed, each set of light source groups including at least two light sources, the moving component driving the two sets of light source groups to move closer or further apart, and the camera being located between the two sets of light source groups.

[0012] In one embodiment of the present invention, the moving component includes a second adapter plate connected to the crossbeam, a first mounting base and a second mounting base connected to the second adapter plate, second bearings respectively connected to the first mounting base and the second mounting base, a lead screw connected to the two second bearings, two transmission nuts connected to the lead screw, a second driving member connected to the active end of the lead screw, a guide member connected to the second adapter plate, and an adapter connected to both the transmission nuts and the guide member. A set of light source groups is connected to the adapter. The first mounting base and the second mounting base are spaced apart along the extension direction of the crossbeam.

[0013] In one embodiment of the present invention, the support further includes a first support column and a second support column for supporting the crossbeam, and a rotating component connected between the first support column and the second support column. The second support column can rotate relative to the first support column through the rotating component, and the crossbeam is fixed on the second support column.

[0014] In one embodiment of the present invention, the rotating component includes a housing connected to the first support column, a worm gear and a worm located inside the housing and connected in cooperation, and a third driving member for driving the worm to rotate. The second support column is connected to the worm gear, and the third driving member drives the worm to rotate, thereby causing the second support column to rotate relative to the first support column.

[0015] In one embodiment of this utility model, the crossbeam, the first support column, and the second support column are all configured as hollow structures.

[0016] The beneficial effects of this utility model are as follows: The online material detection device proposed in this utility model involves installing a crossbeam above the conveyor belt, and setting an image acquisition component and a light source component on the crossbeam. The light source component provides supplementary lighting for the camera of the image acquisition component when acquiring images of the material on the conveyor belt, so that the camera can acquire clear images of the material. Both the image acquisition component and the light source component are electrically connected to the image detection system. The material images acquired by the camera can be transmitted to the image detection system in real time, so that the image detection system can identify the particle size of the material through the image. This allows for real-time feedback on the particle size of the material, enabling timely adjustment of the particle size, which in turn helps to improve the permeability of the furnace charge and thus improve the indirect reduction degree of the material. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. It is obvious that the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without any inventive effort.

[0018] In the attached diagram: Figure 1 A schematic diagram of an online material detection device provided in an embodiment of this utility model; Figure 2 This is a partial cross-sectional view of the support provided in one embodiment of the present invention along the radial direction of the first support column; Figure 3 This is a schematic diagram of an image acquisition component provided in one embodiment of the present invention; Figure 4 This is a partial schematic diagram of the protective component provided in one embodiment of the present utility model; Figure 5 This is a schematic diagram of a light source assembly provided in one embodiment of the present invention.

[0019] The attached figures are labeled as follows: 1- Conveyor belt; 2-Support; 21-Crossbeam; 22-First support column; 23-Second support column; 24-Housing; 25-Worm gear; 26-Worm; 27-Third driving component; 3-Image acquisition component; 31-Camera; 32-Rotating component; 321-First adapter plate; 322-Connecting seat; 323-First bearing; 324-Rotating shaft; 325-Rotating plate; 326-First driving component; 33-Protective component; 331-Base plate; 332-Outer cover; 333-Front cover plate; 334-Rear cover plate; 335-Mounting plate; 336-Adjusting plate; 337-Fixing cover; 338-Perspective lens; 339-Tracheal connector; 4-Light source assembly; 41-Light source; 42-Moving part; 421-Second adapter plate; 422-First mounting base; 423-Second mounting base; 424-Lead screw; 425-Transmission nut; 426-Second driving component; 427-Guide component; 428-Adapter component. Detailed Implementation

[0020] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0021] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. The drawings only show the components related to the present invention and are not drawn according to the actual number, shape and size of the components. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0022] In the following description, numerous details are explored to provide a more thorough explanation of embodiments of the present invention. However, it will be apparent to those skilled in the art that embodiments of the present invention may be practiced without these specific details. In other embodiments, well-known structures and devices are shown in block diagram form rather than in detail to avoid obscuring embodiments of the present invention.

[0023] Please see Figures 1 to 5This utility model provides an online material detection device for real-time detection of particle size of materials transported on a conveyor belt 1. The online material detection device includes a support 2, an image acquisition component 3, a light source component 4, and an image detection system (not shown). The support 2 includes a crossbeam 21 located above the conveyor belt 1, and straddles the conveyor belt 1 on a horizontal plane along a direction perpendicular to the direction in which the material is transported on the conveyor belt 1, i.e., the width direction of the conveyor belt 1.

[0024] The image acquisition component 3 is mounted on the crossbeam 21 and includes a camera 31 for acquiring images of the material being conveyed on the conveyor belt 1. Furthermore, the image acquisition component 3 is rotatable relative to the crossbeam 21 to adjust the angle between the image acquisition component 3 and the conveyor belt 1, which helps to ensure that the material image acquired by the camera 31 highlights the material.

[0025] The light source assembly 4 is mounted on the crossbeam 21 and includes at least one light source 41, which provides supplemental lighting for the camera 31 when acquiring images of the material. Furthermore, the light source 41 is movable along the extension direction of the crossbeam 21 (i.e., the width direction of the conveyor belt 1) to adjust the relative position between the light source 41 and the camera 31, thereby enabling the camera 31 to capture clear images of the material.

[0026] To achieve real-time acquisition of the particle size of the material transported on conveyor belt 1, image acquisition component 3 and light source component 4 are electrically connected to the image detection system. The material image acquired by image acquisition component 3 is transmitted to the image detection system in real time, enabling the image detection system to identify the particle size of the material transported on conveyor belt 1 based on the received material image. This provides real-time feedback on the particle size of the material, allowing for timely adjustment of the particle size, which in turn improves the permeability of the furnace charge and, consequently, the indirect reduction degree of the material.

[0027] It should be noted that the image detection system can also control the opening and closing of the image acquisition component 3 and the light source component 4. When the conveyor belt 1 starts conveying material into the blast furnace, the image detection system turns on the image acquisition component 3 and the light source component 4; when the conveyor belt 1 stops conveying material into the blast furnace, the image detection system turns off the image acquisition component 3 and the light source component 4.

[0028] For example, the materials include, but are not limited to, raw materials and fuels prepared for use in a blast furnace.

[0029] Please see Figure 2 and Figure 3In some embodiments, the support 2 further includes a first support column 22, a second support column 23, and a rotating component connecting the first support column 22 and the second support column 23. A crossbeam 21 is fixedly mounted on the second support column 23, and the first support column 22 and the second support column 23 support the crossbeam 21, allowing the crossbeam 21 to be positioned above the conveyor belt 1. For example, the first support column 22 and the second support column 23 are located on one side of the width direction of the conveyor belt 1, and the first support column 22 can be directly mounted on the ground.

[0030] Furthermore, the second support column 23 can rotate relative to the first support column 22 through the rotating component, so that the crossbeam 21 can rotate with the second support column 23 to change the position of the image acquisition component 3 relative to the conveyor belt 1, that is, to change the relative position between the camera 31 and the conveyor belt 1, so that the camera 31 can acquire a clear image of the material.

[0031] In one example, the rotating component includes a housing 24, a worm gear 25, a worm 26, and a third driving member 27. The housing 24 is fixedly connected to the first support column 22. The housing 24 contains a mating worm gear 25 and a worm 26, and the second support column 23 is connected to the worm gear 25. The third driving member 27 is connected to the outside of the housing 24, and its driving end is connected to the worm 26 to drive the worm 26 to rotate. The rotation of the worm 26 causes the worm gear 25 to rotate, which in turn causes the second support column 23 to rotate relative to the first support column 22.

[0032] For example, the third drive unit 27 provides a power source for the rotation of the worm gear 26, including but not limited to being configured as a servo motor.

[0033] Please see Figure 3 and Figure 4 In some embodiments, the image acquisition component 3 further includes a rotating component 32 and a protective component 33. The rotating component 32 is mounted on the crossbeam 21, and the protective component 33 is mounted on the movable end of the rotating component 32. The rotating component 32 can drive the protective component 33 to rotate relative to the crossbeam 21, allowing the protective component 33 to rotate relative to the crossbeam 21. It should be noted that the protective component 33 has a cavity for accommodating the camera 31; that is, the rotation of the rotating component 32 causes the camera 31 to rotate relative to the crossbeam 21.

[0034] In one example, the rotating component 32 includes a first adapter plate 321, a connecting seat 322, a first bearing 323, a rotating shaft 324, a rotating plate 325, and a first drive member 326. The first adapter plate 321 is mounted on the crossbeam 21, and two connecting seats 322 are mounted on it, spaced apart along the extension direction of the crossbeam 21 (i.e., the width direction of the conveyor belt 1). Each connecting seat 322 is equipped with a first bearing 323, and each first bearing 323 is fitted with a rotating shaft 324. The rotating plate 325 is located between the two rotating shafts 324 and is connected to both shafts. One of the rotating shafts 324 is connected to the drive end of the first drive member 326, enabling the first drive member 326 to drive the rotating shaft 324 to rotate. The rotation of the rotating shaft 324 causes the rotating plate 325 to rotate. Since the protective component 33 is mounted on the protective plate, the rotation of the rotating plate 325 causes the protective component 33 to rotate relative to the crossbeam 21.

[0035] For example, the first drive element 326 provides a power source for the rotation of the shaft 324, including but not limited to being configured as a servo motor.

[0036] In one example, the protective component 33 includes a base plate 331, an outer cover 332, a front cover plate 333, and a rear cover plate 334 constituting the chamber. The chamber also contains a mounting plate 335 and an adjusting plate 336, with the adjusting plate 336 mounted on the mounting plate 335 and the camera 31 mounted on the adjusting plate 336. Exemplarily, the base plate 331 and the mounting plate 335 are arranged parallel to each other, with a gap between them.

[0037] The front cover 333 has an opening through which a lens hood is connected. The viewing area of ​​the lens hood is positioned opposite to the lens of the camera 31, thus protecting the camera 31 and extending its lifespan. For example, the lens hood includes a fixed cover 337 and a viewing lens 338 connected together. The viewing lens 338 forms the viewing area of ​​the lens hood and is positioned opposite to the lens of the camera 31. To avoid interfering with the camera's shooting, the viewing lens 338 can be made of quartz glass, while still protecting the camera 31.

[0038] It should be noted that the relative position of the camera 31 on the mounting plate 335 can be adjusted by adjusting the adjusting plate 336, thereby adjusting the relative distance between the camera 31 and the material so that the camera 31 can capture a clear image of the material. For example, the mounting plate 335 is provided with multiple mounting holes for mounting the adjusting plate 336, and the adjusting plate 336 is provided with strip-shaped holes that mate with the mounting holes. The relative position between the adjusting plate 336 and the mounting plate 335 can be adjusted through the interaction of both.

[0039] In some embodiments, when the conveyor belt 1 is in a high-temperature and dusty environment, an air pipe connector 339 is installed on the base plate 331. The air outlet of the air pipe connector 339 is located inside the chamber; the air inlet of the air pipe connector 339 is located outside the chamber and is connected to the air pump and the cooler via an air pipe. Cold air can be supplied to the chamber through the air outlet of the air pipe connector 339 to cool the camera 31 during operation and to facilitate dust removal from the lens cover, thereby ensuring the normal operation of the camera 31.

[0040] Please see Figure 1 and Figure 5 In some embodiments, the light source assembly 4 further includes a moving part 42, which is provided with two sets of light source groups, each set including at least two light sources 41. It should be noted that the number of light sources 41 in each set is not limited and can be adaptively set according to actual needs. In this embodiment, each set has two light sources 41. For example, the light sources 41 may include, but are not limited to, supplementary lighting.

[0041] The camera 31 is located between two light source groups. The moving part 42 moves the two light source groups closer or further apart to adjust the illumination of the camera 31 by the light source groups, so that the camera 31 can acquire a clear image of the material.

[0042] In one example, the moving component 42 includes a second adapter plate 421, a first mounting base 422, a second mounting base 423, a second bearing, a lead screw 424, a transmission nut 425, a second drive member 426, a guide member 427, and an adapter 428. The second adapter plate 421 is mounted on the crossbeam 21, and the first mounting base 422 and the second mounting base 423 are mounted on the second adapter plate 421, spaced apart along the extension direction of the crossbeam 21 (i.e., the width direction of the conveyor belt 1). A second bearing is connected to both the first mounting base 422 and the second mounting base 423, and both second bearings are simultaneously connected to the lead screw 424. Two transmission nuts 425 are mounted on the lead screw 424, and the driving end of the lead screw 424 is connected to the second drive member 426, which is mounted on the second mounting base 423. Two adapters 428 are provided. One adapter 428 is connected to both the guide 427 and the transmission nut 425, and a set of light sources is connected to one adapter 428. When the second drive member 426 drives the lead screw 424 to rotate, it causes the two sets of light sources to move closer or further apart, thereby adjusting the relative distance between the light sources and the camera 31.

[0043] For example, the second drive member 426 provides a power source for the rotation of the lead screw 424, and may include, but is not limited to, being a servo motor. The guide member 427 guides the movement of the light source assembly, and may include, but is not limited to, being a guide rail.

[0044] In some embodiments, to facilitate the installation of wiring in the support 2, image acquisition component 3, and light source component 4, the crossbeam 21, the first support column 22, and the second support column 23 are all configured as hollow structures. By placing the wiring inside the hollow structure, the wiring is protected, which helps ensure the normal operation of the online material detection device.

[0045] In summary, the online material detection device proposed in this utility model involves installing a crossbeam above the conveyor belt, and equipping the crossbeam with an image acquisition component and a light source component. The light source component provides supplemental lighting to the camera of the image acquisition component when acquiring images of the material on the conveyor belt, enabling the camera to obtain clear images of the material. Both the image acquisition component and the light source component are electrically connected to the image detection system, allowing the material images acquired by the camera to be transmitted to the image detection system in real time. This enables the image detection system to identify the particle size of the material through the image, providing real-time feedback on the particle size and facilitating timely adjustments to the particle size. This, in turn, improves the permeability of the furnace charge and, consequently, enhances the indirect reduction degree of the material.

[0046] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. An online material detection device, characterized in that, The online material detection device is used for real-time detection of particle size of materials transported on a conveyor belt, and includes: The support includes a crossbeam spanning above the conveyor belt; An image acquisition component, rotatably connected to the crossbeam, includes a camera for acquiring images of the material; A light source assembly, connected to the crossbeam, includes at least one light source movable along the extension direction of the crossbeam, the light source being used to provide supplemental lighting for the camera when acquiring the image; An image detection system is electrically connected to the image acquisition component and the light source component to control the opening and closing of the image acquisition component and the light source component, and the image detection system is used to identify the image to determine the particle size of the material.

2. The online material detection device according to claim 1, characterized in that: The image acquisition component further includes a rotating component connected to the crossbeam and a protective component connected to the movable end of the rotating component. The rotating component drives the protective component to rotate relative to the crossbeam, and the protective component has a cavity for accommodating the camera.

3. The online material detection device according to claim 2, characterized in that: The rotating component includes a first adapter plate connected to the crossbeam, two connecting seats connected to the first adapter plate, a first bearing connected to the connecting seats, a rotating shaft connected to the first bearing, a rotating plate connected between the two rotating shafts, and a first driving member connected to one of the rotating shafts. The two connecting seats are spaced apart along the extension direction of the crossbeam. The protective component is connected to the rotating plate. The first driving member drives the rotating shaft to rotate, thereby causing the protective component to rotate relative to the crossbeam.

4. The online material detection device according to claim 3, characterized in that: The protective component includes a base plate, an outer cover, a front cover plate, and a rear cover plate constituting the chamber. The chamber is also provided with a mounting plate and an adjustment plate connected to the mounting plate. The camera is connected to the adjustment plate. The front cover plate has an opening, and a lens cover is connected to the opening. The viewing area of ​​the lens cover is positioned opposite to the lens of the camera.

5. The online material detection device according to claim 4, characterized in that: The protective component also includes an air pipe connector connected to the base plate, with the air outlet of the air pipe connector located inside the chamber; the air inlet of the air pipe connector is located outside the chamber and is connected to the air pump and the cooler via an air pipe.

6. The online material detection device according to claim 1, characterized in that: The light source assembly also includes a moving component, on which two light source groups are provided. Each light source group includes at least two light sources. The moving component drives the two light source groups to move closer or further apart, and the camera is located between the two light source groups.

7. The online material detection device according to claim 6, characterized in that: The moving component includes a second adapter plate connected to the crossbeam, a first mounting base and a second mounting base connected to the second adapter plate, second bearings respectively connected to the first mounting base and the second mounting base, a lead screw connected to the two second bearings, two transmission nuts connected to the lead screw, a second drive member connected to the active end of the lead screw, a guide member connected to the second adapter plate, and an adapter connected to both the transmission nuts and the guide member. A set of light source groups is connected to the adapter. The first mounting base and the second mounting base are spaced apart along the extension direction of the crossbeam.

8. The online material detection device according to any one of claims 1-7, characterized in that: The support also includes a first support column and a second support column for supporting the crossbeam, and a rotating component connected between the first support column and the second support column. The second support column can rotate relative to the first support column through the rotating component, and the crossbeam is fixed on the second support column.

9. The online material detection device according to claim 8, characterized in that: The rotating component includes a housing connected to the first support column, a worm gear and a worm located inside the housing and connected in a mating manner, and a third driving member for driving the worm to rotate. The second support column is connected to the worm gear, and the third driving member drives the worm to rotate, thereby causing the second support column to rotate relative to the first support column.

10. The online material detection device according to claim 8, characterized in that: The crossbeam, the first support column, and the second support column are all configured as hollow structures.

Images