Dust deposition monitoring device for dust removal pipeline

Abstract

The utility model belongs to the technical field of metal processing environment monitoring, and particularly relates to a dust collection monitoring device for a dust removal pipeline. Aiming at the problems that dust monitoring equipment of a dust removal pipeline in the prior art is difficult to work effectively for a long time and a monitoring area is not comprehensive, the utility model provides a dust removal pipeline dust deposition monitoring device which comprises a dustproof shell with a monitoring chamber and an observation port, and a monitoring camera positioned in the monitoring chamber is mounted on the dustproof shell. The dustproof shell is fixedly connected with a dustproof valve used for controlling the observation opening to be in a closed or open state. When the dust collection pipeline dust deposition monitoring device is installed on the end portion of the dust collection pipeline and the monitoring cavity is communicated with the end opening of the dust collection pipeline through the observation opening, the monitoring camera can shoot an image of the bottom face area of an inner cavity of the dust collection pipeline from one end of the dust collection pipeline to the other end of the dust collection pipeline. According to the utility model, the monitoring camera is used for shooting the bottom area, so that the monitoring area is increased, and the monitoring camera is kept clean for a long time through the arrangement of the monitoring chamber.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal processing environment monitoring, and particularly relates to a dust accumulation monitoring device for a dust removal pipeline. Background Art

[0002] Some metal parts need to be polished due to requirements such as smoothness. A large amount of metal dust is generated during the polishing process. Therefore, a dust collection, dust removal, and suction device is installed on the workbench for adsorption. Since the dust collection, dust removal, and suction device cannot achieve a 100% suction rate, the tail gas is further connected to a dust removal pipeline for secondary collection. During the collection process, some dust will always deposit at the bottom of the dust removal pipeline and cannot be sucked. Some processed workpieces are aluminum-magnesium alloys, and the dust deposited in the pipeline will contain a large amount of aluminum and magnesium elements. The sediment is extremely prone to spontaneous combustion and even explosion when wet, leading to accidents. Therefore, it is necessary to monitor the dust accumulation in the pipeline to improve production safety. However, it is difficult to confirm when cleaning is required, and this work is also easily overlooked.

[0003] In response to this problem, people have also conducted exploration and research in long-term production and life practices. For example, a Chinese invention patent discloses a device and method for monitoring the thickness of deposited dust in a pipeline [Application No.: 201810433132.1]. The device provided by this invention includes N displacement sensors, a controller, and an alarm, where N is a positive integer. A detection hole is opened at the top of the pipeline, and the displacement sensors are hermetically fixed at the detection hole. The displacement sensors collect the dust thickness after the dust is deposited in the pipeline, and their output ends are connected to the controller. The output end of the controller is connected to the alarm. The device for monitoring the thickness of deposited dust in the pipeline realizes the detection of the thickness of deposited dust in the pipeline by detecting the dust thickness after the dust is deposited in the pipeline through the displacement sensors. It has high accuracy, can effectively monitor the thickness of deposited dust in the pipeline, and reduces the hidden danger of dust explosion.

[0004] Although this invention solves the above problems by setting N displacement sensors, a controller, and an alarm, the displacement sensors are easily contaminated by dust, are affected by many factors, and cannot work effectively for a long time. Moreover, the displacement sensors can only conduct spot checks at points, and the detection surface coverage is not comprehensive enough. Summary of the Invention

[0005] The utility model provides a dust accumulation monitoring device for a dust removal pipeline, and the technical problems to be solved are how to more comprehensively monitor the dust deposition in the metal dust removal pipeline and make the equipment for monitoring the dust deposition in the metal dust removal pipeline work more durably.

[0006] The utility model includes a dust-proof shell with a monitoring chamber and an observation port. The monitoring chamber is an area space formed by the inner enclosure of the dust-proof shell for installing necessary equipment. A monitoring camera is installed on the dust-proof shell inside the monitoring chamber, and a dust-proof valve for controlling the observation port to be in a closed or open state is fixedly connected to the dust-proof shell. When the dust accumulation monitoring device in the dust removal pipeline is installed at the end of the dust removal pipeline and the monitoring chamber and the port of the dust removal pipeline are in a visual communication state through the observation port, the monitoring camera can take images of the inner cavity bottom area of the dust removal pipeline from one end to the other end.

[0007] To address the problem that the environment inside the dust removal pipeline is generally dim, the monitoring camera can be an infrared black-and-white night vision camera; or if the monitoring camera is an optical zoom camera, a supplementary light can be installed on the dust-proof shell within the range of the monitoring chamber area, and the inner cavity of the dust removal pipeline can be illuminated through the supplementary light.

[0008] Preferably, the dust-proof valve includes a valve body fixedly connected to the dust-proof shell. A gate plate is movably installed inside the valve body, and a driving member connected to the gate plate is installed on the valve body. The driving member drives the gate plate to move, thereby making the observation port in a closed or open state.

[0009] Preferably, to meet the requirements of intelligent management, the dust accumulation monitoring device in the dust removal pipeline further includes a control circuit. The monitoring camera and the driving member are both electrically connected to the control circuit. After the driving member for controlling the dust-proof valve makes the observation port switch from the closed state to the open state, the control circuit automatically controls the monitoring camera to take pictures, and after the driving member for controlling the dust-proof valve makes the observation port switch from the open state to the closed state, the control circuit automatically controls the monitoring camera to stop, that is, the monitoring camera and the dust-proof valve are linked and controlled.

[0010] Specifically, when the dust removal pipeline is circular tubular, the observation port is also circular tubular to match. The gate plate moves along the radial line direction of the circular tube channel in the valve body, that is, the movement direction is perpendicular to the circular tube channel direction to open and close the observation port. As a preferred driving method, the driving member is a cylinder. The cylinder body of the cylinder is fixedly connected to the valve body, and the piston rod is connected to the gate plate, and the gate plate is driven by the piston rod to move.

[0011] In some cases, the dust removal pipeline is rectangular tubular. Correspondingly, the observation port is also rectangular tubular to match. The valve body has a rectangular channel matching the observation port. The top of the gate plate is rotatably connected to the valve body through a rotating shaft. The driving member is a motor. The housing of the motor is fixedly connected to the valve body, and the main shaft is connected to the rotating shaft. By operating the motor of the dust-proof valve, the motor drives the rotating shaft to rotate, and the gate plate swings towards the outside of the dust-proof shell, thereby realizing the switching of the observation port from the closed state to the open state.

[0012] To further prevent dust from entering, a positive pressure air supply interface connected to the monitoring chamber is installed on the dust-proof housing. Before the observation port is opened, it is pre-inflated to maintain positive pressure to prevent dust from entering the monitoring chamber and contaminating the lens.

[0013] Compared with the existing technology, the advantages of the present utility model are as follows:

[0014] 1. By using a monitoring camera to shoot the bottom area, the visible area is wide, which is convenient for maintenance and reduces costs.

[0015] By setting up a monitoring chamber with a gate, the monitoring camera is isolated from the dust removal pipeline in the non-working state to keep the monitoring camera clean.

[0016] Through two dust-proof valve schemes with different pipeline shapes, the adaptability in different scenarios is improved.

[0017] By setting a positive pressure air supply interface in the monitoring chamber to keep the monitoring chamber clean, the working durability of the monitoring camera is further improved. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the structural components of the present utility model.

[0019] Figure 2 It is a schematic diagram of the whole of the present utility model.

[0020] Figure 3 It is a schematic diagram of an improved scheme of the present utility model.

[0021] Figure 4 It is a schematic diagram of another scheme of the present utility model.

[0022] In the figure: dust-proof housing 1, monitoring chamber 2, observation port 3, monitoring camera 4, dust-proof valve 5, dust removal pipeline 6, supplementary light 1a, valve body 5a, gate plate 5a1, cylinder 5a2, cylinder body 5a21, piston rod 5a22, motor 5a3, port 6a.

[0023] Specific Embodiments The present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0024] Embodiment 1: As Figure 1 shown, the dust accumulation monitoring device for the dust removal pipeline provided by the present utility model includes a dust-proof housing 1 having a monitoring chamber 2 and an observation port 3. A monitoring camera 4 is installed in the monitoring chamber 2 on the dust-proof housing 1. A dust-proof valve 5 for controlling the observation port 3 to be in a closed or open state is fixedly connected to the dust-proof housing 1. The dust collection and dust removal device of the dust removal workbench is connected to the circular port on the dust removal pipeline 6 as shown in the figure.

[0025] In the use of this utility model, the dust accumulation monitoring device of the dust removal pipeline is installed at the end of the dust removal pipeline 6, and the observation port 3 is adjacent to the port 6a of the dust removal pipeline 6. The dust-proof valve 5 fixedly connected to the dust-proof shell 1 seals and isolates the monitoring chamber 2 and the dust removal pipeline 6 under normal conditions. When the conditions for observation are met, the dust-proof valve 5 is opened manually or automatically, and the monitoring chamber 2 and the port 6a of the dust removal pipeline 6 are connected through the observation port 3. At this time, the monitoring camera 4 can take images of the inner cavity bottom area of the dust removal pipeline 6 from one end of the dust removal pipeline 6 to the other end.

[0026] It is easy to think that according to the monitoring signals fed back by the monitoring camera 4, there are various processing methods to judge the dust accumulation situation in the pipeline, such as manual video viewing, AI image automatic judgment, etc.

[0027] When it is judged that the cleaning conditions are met, the production line is shut down to start the cleaning work and the dust-proof valve 5 is closed. When the cleaning conditions are not met, the dust-proof valve 5 is directly closed.

[0028] Preferably, the monitoring camera 4 is an infrared black-and-white night vision camera, which can take pictures without being affected under dim conditions; or the monitoring camera 4 is an optical zoom camera, and a supplementary light 1a located in the monitoring chamber 2 is installed on the dust-proof shell 1. The supplementary light 1a can illuminate the inner cavity of the dust removal pipeline 6, and the monitoring camera 4 starts to take pictures after the inner cavity of the dust removal pipeline 6 is illuminated by the supplementary light 1a.

[0029] Specifically, the dust-proof valve 5 includes a valve body 5a fixedly connected to the dust-proof shell 1. A gate plate 5a1 is movably installed in the valve body 5a. A driving member 5a2 connected to the gate plate 5a1 is installed on the valve body 5a. The driving member 5a2 can drive the gate plate 5a1 to move to make the observation port 3 in a closed or open state.

[0030] For the convenience of intelligent control, both the monitoring camera 4 and the driving member 5a2 are electrically connected to the control circuit. After the driving member 5a2 of the dust-proof valve 5 is manipulated to switch the observation port 3 from the closed state to the open state, the control circuit automatically controls the monitoring camera 4 to take pictures, and when the driving member 5a2 of the dust-proof valve 5 is manipulated to switch the observation port 3 from the open state to the closed state, the control circuit automatically controls the monitoring camera 4 to stop.

[0031] Specifically, the observation port 3 is also in the shape of a paired circular tube. There is a circular channel in the valve body 3 that matches the observation port 3. The gate plate 5a1 moves along the radial line direction of the circular tube channel in the valve body 5a; the driving member 5a2 is a cylinder 5a2. The cylinder body 5a21 of the cylinder 5a2 is fixedly connected to the valve body 5a, and the piston rod 5a22 is connected to the gate plate 5a1.

[0032] Preferably, a positive pressure air supply interface connected to the monitoring chamber 2 is installed on the dust-proof housing 1, and pre-inflation can be achieved before the dust-proof valve 5 is opened, so that the monitoring chamber 2 maintains a positive pressure relative to the dust removal pipeline 6 to prevent dust from entering the monitoring chamber 2.

[0033] The working principle of this embodiment is as follows: When detection and judgment are required, the monitoring chamber 2 is first inflated to maintain a positive pressure. The cylinder 5a2 drives the piston rod 5a22 to drive the gate plate 5a1 to move perpendicular to the circular tube channel (i.e., the radial direction), so that the monitoring chamber 2 and the port 6a of the dust removal pipeline 6 are connected through the observation port 3. After detecting the fully open state, the control circuit automatically controls the monitoring camera 4 to take pictures. If the supplementary light scheme is adopted, the supplementary light 1a is turned on at the same time, and the image of the inner cavity bottom area of the dust removal pipeline 6 is taken to judge the dust accumulation situation in the pipeline. After the judgment is completed, the piston rod 5a22 drives the gate plate 5a1 to close the observation port 3 again.

[0034] Embodiment 2: The same parts as in the embodiment will not be described in detail. As another scheme for adapting to the rectangular tubular dust removal pipeline 6, the observation port 3 is in the shape of a rectangular tube, and the valve body 5a has a rectangular channel matching the observation port 3. The top of the gate plate 5a1 is rotatably connected to the valve body 5a through a rotating shaft a, and the driving member 5a2 is a motor 5a3. The housing of the motor 5a3 is fixedly connected to the valve body 5a, and the main shaft of the motor 5a3 is connected to the rotating shaft a.

[0035] The working principle of this embodiment is as follows: The motor 5a3 of the dust-proof valve 5 is controlled to swing the gate plate 5a1 towards the outside of the dust-proof housing 1, so that the observation port 3 is switched from the closed state to the open state, realizing the function that the monitoring camera 4 can take pictures of the inner cavity bottom area of the dust removal pipeline 6 from one end to the other end of the dust removal pipeline 6. This scheme places the gate plate 5a1 inside the pipeline, reducing the frictional loss and improving the sealing stability.

[0036] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0037] Although terms such as the dust-proof housing 1, the monitoring chamber 2, the observation port 3, the monitoring camera 4, the dust-proof valve 5, the dust removal pipeline 6, the supplementary light 1a, the valve body 5a, the gate plate 5a1, the cylinder 5a2, the cylinder body 5a21, the piston rod 5a22, the motor 5a3, and the port 6a are used more frequently in this article, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A dust collection pipeline dust accumulation monitoring device, characterized in that: The dust collection monitoring device for a dust collection duct comprises a dustproof housing (1) having a monitoring chamber (2) and an observation port (3); a monitoring camera (4) located in the monitoring chamber (2) is mounted on the dustproof housing (1); and a dustproof valve (5) for controlling the observation port (3) to be in a closed or open state is fixedly connected to the dustproof housing (1); when the dust collection monitoring device for a dust collection duct is mounted on the end of a dust collection duct (6) and the monitoring chamber (2) is in a connected state with a port (6a) of the dust collection duct (6) through the observation port (3), the monitoring camera (4) can capture an image of the inner cavity bottom surface area of ​​the dust collection duct (6) from one end of the dust collection duct (6) to the other end.

2. The dust collection pipe dust accumulation monitoring device according to claim 1 is characterized in that: The surveillance camera (4) is an infrared black-and-white night vision camera; Or the monitoring camera (4) is an optical zoom camera, and a fill light (1a) located in the monitoring chamber (2) is installed on the dustproof shell (1), and the fill light (1a) can illuminate the inner cavity of the dust removal pipe (6).

3. The dust collection monitoring device for dust removal pipeline according to claim 1 or 2, characterized in that: The dustproof valve (5) comprises a valve body (5a) fixedly connected to the dustproof housing (1), a gate plate (5a1) being movably mounted in the valve body (5a), and a driving member connected to the gate plate (5a1) being mounted on the valve body (5a), the driving member being able to drive the gate plate (5a1) to move so that the observation port (3) is in a closed or open state.

4. The dust collection monitoring device for dust removal pipelines according to any one of claims 1 or 2, characterized in that: The dust collection monitoring device for dust removal pipes also includes a control circuit, and the monitoring camera (4) and the driving member are both electrically connected to the control circuit. When the driving member of the dust prevention valve (5) is operated to switch the observation port (3) from a closed state to an open state, the control circuit automatically controls the monitoring camera (4) to take pictures, and when the driving member of the dust prevention valve (5) is operated to switch the observation port (3) from an open state to a closed state, the control circuit automatically controls the monitoring camera (4) to stop.

5. The dust collection monitoring device for dust removal pipeline according to claim 3 is characterized in that: The observation port (3) is in the shape of a circular tube, and a circular channel matching the observation port (3) is provided in the valve body (3). The gate plate (5a1) moves along the radial direction of the circular tube channel in the valve body (5a). The driving member is a cylinder (5a2), a cylinder body (5a21) of the cylinder (5a2) is fixedly connected to the valve body (5a), and a piston rod (5a22) is connected to the gate plate (5a1).

6. The dust collection monitoring device for dust removal pipeline according to claim 3, characterized in that: The observation port (3) is in the shape of a rectangular tube. The valve body (5a) has a rectangular channel matching the observation port (3). The top of the gate plate (5a1) is rotatably connected to the valve body (5a) via a rotating shaft (a). The driving member is a motor (5a3). The housing of the motor (5a3) is fixedly connected to the valve body (5a), and the main shaft is connected to the rotating shaft (a). When the motor of the dustproof valve (5) is operated to switch the observation port (3) from a closed state to an open state, the gate plate (5a1) swings toward the outside of the dustproof housing (1).

7. The dust collection monitoring device for dust removal pipelines according to claim 1 or 2, characterized in that: The dustproof shell (1) is provided with a positive pressure air supply interface connected to the monitoring chamber (2).

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