Dust concentration measuring device

By designing a dust concentration measuring device with a piston plate and air bladder structure, the problem of inconvenient cleaning of the dust collector's inner chamber was solved, enabling rapid cleaning and accurate measurement.

CN223526207UActive Publication Date: 2025-11-07李静
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Patent Information

Application Number
CN202422889451.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-07
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

In existing technologies, the inner chamber of dust collectors is difficult to clean, which affects the accuracy of measurement data.

Method used

Design a dust concentration measuring device that uses a piston plate and air bladder structure. By pulling the handle, the piston plate is moved and the air bladder is deployed to the outside of the collection tank for cleaning. A limit rod and spring structure are combined to prevent air leakage.

Benefits of technology

It enables rapid and convenient chamber cleaning, ensures the accuracy of measurement data, and avoids inconvenience and air leakage in the cleaning area.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of dust concentration measurement, and provides a dust concentration measuring device which comprises a collecting tank, a piston plate slidably connected to the inner wall of the collecting tank, an L-shaped rod fixedly connected to the side face of the piston plate, a sealing ring fixedly connected to the side face of the collecting tank, an air bag fixedly connected to the side face of the sealing ring and a sealing cover hinged to the side face of the collecting tank. The inner wall of the sealing cover is fixedly connected with a dust detection sensor, the side face of the collecting tank is provided with a moving part, the moving part comprises a fixing ring, and the fixing ring is fixedly connected with the collecting tank. During use, the pull handle is moved, the pull handle drives the piston plate to move, and gas to be detected is sucked into the air bag; and a piston plate is pushed to the leftmost side of the collecting tank, the inner wall of the air bag is completely unfolded on the outer side of the collecting tank through air pressure, and then the air bag is flushed, so that dust adhering to the interior of the air bag can be quickly and efficiently cleaned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dust concentration measurement technical field especially relates to a dust concentration measuring device BACKGROUND

[0002] In the process of measuring dust concentration, the dust detection sensor in the collector needs to be measured after collecting the air in part of the area, and the dust concentration of the area can be obtained. In actual use, the collector needs to be cleaned before re-inhaling the air to be detected each time to avoid the residual powder affecting the accuracy of the measurement data. It is troublesome to clean the inner wall of the collector. UTILITY MODEL CONTENT

[0003] The utility model discloses a dust concentration measuring device, which can solve the problem of inconvenient cleaning of the internal cavity of the collecting tank during re-sampling measurement.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A dust concentration measuring device is designed, which comprises a collecting tank, characterized in that a piston plate is slidably connected to the inner wall of the collecting tank, an L-shaped rod is fixedly connected to the side surface of the piston plate, a sealing ring is fixedly connected to the side surface of the collecting tank, an air bag is fixedly connected to the side surface of the sealing ring, a sealing cover is hingedly connected to the side surface of the collecting tank, a dust detection sensor is fixedly connected to the inner wall of the sealing cover, and a moving part is arranged on the side surface of the collecting tank.

[0006] Preferably, the moving part comprises a fixed ring, the fixed ring is fixedly connected to the collecting tank, circular rods are fixedly connected to the opposite side surfaces of the fixed ring, a horizontal plate is fixedly connected between the two circular rods, and one of the circular rods is slidably connected to the L-shaped rod.

[0007] Preferably, the end of the L-shaped rod is fixedly connected to a pull handle.

[0008] Preferably, the side surface of the horizontal plate is fixedly connected to an auxiliary plate, a limiting rod is slidably connected through the auxiliary plate, the end of the limiting rod is slidably connected to the L-shaped rod, the end of the limiting rod is fixedly connected to a push block, and a spring is arranged between the push block and a limiting plate.

[0009] Preferably, a limiting groove is formed in the L-shaped rod and matched with the limiting rod.

[0010] Preferably, a first fixed plate is fixedly connected to the side surface of the sealing cover, a second fixed plate is fixedly connected to the side surface of the collecting tank, and threaded holes are formed in the coaxial positions of the first fixed plate and the second fixed plate.

[0011] The utility model has the advantages that:

[0012] 1、The utility model discloses when needing to clean the measuring chamber in the collection jar, pull the handle, push the piston plate to move to left side, the piston plate removes through the air pressure and pushes the air bag to be completely unfolded to the collection jar outer wall, and the sampling chamber can be washed quickly with washing liquid.

[0013] 2、The utility model discloses when the L type rod and the transverse plate are pasted, the air bag is completely full of sampling gas, the spacing rod is inserted into the spacing groove and is limited to the L type rod at this time under the influence of spring thrust, can avoid the air leakage during measurement. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0015] Fig. 2 It is the collection jar cross section structure schematic diagram of the utility model.

[0016] Fig. 3 It is the air bag and is placed in the inside state diagram of collection jar of the utility model.

[0017] In the drawing: 1, collection jar;2, piston plate;3, L type rod;4, sealing ring;5, air bag;6, sealing cover;7, dust detection sensor;8, fixed ring;9, round rod;10, transverse plate;11, handle;12, auxiliary plate;13, spacing rod;14, shift block;15, spring;16, spacing groove;17, first fixed plate;18, second fixed plate. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0019] Embodiment one

[0020] Please refer to Figs. 1-3 The utility model provides the following technical scheme:

[0021] Specifically refers to a dust concentration measuring device, including the collecting tank 1, the inner wall of the collecting tank 1 is slidably connected with the piston plate 2, the side of the piston plate 2 is fixedly connected with the L-shaped rod 3, the side of the collecting tank 1 is fixedly connected with the sealing ring 4, the side of the sealing ring 4 is fixedly connected with the air bag 5, the side of the collecting tank 1 is hingedly connected with the sealing cover 6, the inner wall of the sealing cover 6 is fixedly connected with the dust detection sensor 7, the side of the collecting tank 1 is provided with a moving part, the moving part includes a fixed ring 8, the fixed ring 8 is fixedly connected with the collecting tank 1, the two opposite sides of the fixed ring 8 are fixedly connected with a circular rod 9, the two circular rods 9 are fixedly connected with a horizontal plate 10, one of the circular rods 9 is slidably connected with the L-shaped rod 3, the end of the L-shaped rod 3 is fixedly connected with a pull handle 11, the side of the sealing cover 6 is fixedly connected with a first fixed plate 17, the side of the collecting tank 1 is fixedly connected with a second fixed plate 18, the first fixed plate 17 and the second fixed plate 18 are coaxially provided with threaded holes.

[0022] The specific application of the embodiment is: the device is placed in the area to be measured dust concentration, the initial state of the piston plate 2 is located at the leftmost side of the collecting tank 1, the pull handle 11 is pulled to drive the L-shaped rod 3 to move, the L-shaped rod 3 pulls the piston plate 2 to move to the right side, with the piston plate 2 moving to the right, the air bag 5 moves from the outside of the collecting tank 1 to the inside of the collecting tank 1, and the air to be detected in the area is sucked into the air bag 5, after the sealing cover 6 is closed, the first fixed plate 17 and the second fixed plate 18 are further fixed by using bolts, the dust detection sensor 7 can detect the dust of the sucked gas, when it is necessary to clean the inner wall of the air bag 5, the L-shaped rod 3 is pushed to the left side, the L-shaped rod 3 pushes the piston plate 2 to move from the rightmost side of the collecting tank 1 to the left side, with the continuous movement of the piston plate 2, the air bag 5 gradually expands to the outside of the collecting tank 1, when the piston plate 2 is located at the leftmost side of the inner wall of the collecting tank 1, the air bag 5 is completely expanded outside the collecting tank 1, the inner wall of the air bag 5 is pushed to the outside, the user directly flushes the air bag 5 with cleaning liquid, and the dust adhered to the inner wall of the air bag 5 during measurement can be removed.

[0023] Embodiment two

[0024] Please refer to Figs. 1-3 , the second embodiment is improved on the basis of the first embodiment, specifically, the side of the horizontal plate 10 is fixedly connected with an auxiliary plate 12, a limiting rod 13 is slidably connected through the auxiliary plate 12, the end of the limiting rod 13 is slidably connected with the L-shaped rod 3, the end of the limiting rod 13 is fixedly connected with a push block 14, a spring 15 is arranged between the push block 14 and the limiting plate, and the L-shaped rod 3 is provided with a limiting groove 16 matched with the limiting rod 13.

[0025] One specific application of the embodiment is that when the L-shaped rod 3 is pulled again, the limiting rod 13 always slides on the L-shaped rod 3, when the L-shaped rod 3 moves to a certain position, the spring 15 pushes the limiting rod 13 to insert into the inside of the limiting groove 16, and the L-shaped rod 3 is limited, so that the L-shaped rod 3 can be limited after the detected gas is extracted, and the influence of running gas on the measurement result is avoided.

[0026] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A dust concentration measuring device comprising a collecting tank (1), characterized in that: The piston plate (2) is slidably connected to the inner wall of the collecting tank (1), the L-shaped rod (3) is fixedly connected to the side of the piston plate (2), the sealing ring (4) is fixedly connected to the side of the collecting tank (1), the air bag (5) is fixedly connected to the side of the sealing ring (4), the sealing cover (6) is hingedly connected to the side of the collecting tank (1), the dust detection sensor (7) is fixedly connected to the inner wall of the sealing cover (6), and the moving part is arranged on the side of the collecting tank (1).

2. A dust concentration measuring device according to claim 1, characterised in that: The moving part comprises a fixed ring (8), the fixed ring (8) is fixedly connected with the collecting tank (1), the two opposite sides of the fixed ring (8) are fixedly connected with a circular rod (9), the two circular rods (9) are fixedly connected with a horizontal plate (10), and the circular rod (9) is slidably connected with the L-shaped rod (3).

3. A dust concentration measuring device according to claim 1, characterized in that: The end of the L-shaped rod (3) is fixedly connected with a pull handle (11).

4. A dust concentration measuring device according to claim 2, characterised in that: The side of the horizontal plate (10) is fixedly connected with an auxiliary plate (12), the auxiliary plate (12) is slidably connected with a limiting rod (13) penetrating through the auxiliary plate (12), the end of the limiting rod (13) is slidably connected with the L-shaped rod (3), the end of the limiting rod (13) is fixedly connected with a pushing block (14), and the pushing block (14) is provided with a spring (15) between the limiting rod (13) and the limiting plate.

5. A dust concentration measuring device according to claim 4, characterised in that: The L-shaped rod (3) is provided with a limiting groove (16) matched with the limiting rod (13).

6. A dust concentration measuring device according to claim 1, characterized in that: The side of the sealing cover (6) is fixedly connected with a first fixed plate (17), the side of the collecting tank (1) is fixedly connected with a second fixed plate (18), and the first fixed plate (17) and the second fixed plate (18) are coaxially provided with threaded holes.