Dust raising instrument with calibration function

Abstract

The utility model relates to the technical field of dust raising instruments, in particular to a dust raising instrument with calibration, which comprises a mounting plate, a PVC (polyvinyl chloride) sleeve shell and a dust raising instrument main body, the dust raising instrument main body is sleeved in the PVC sleeve shell, and one end of the dust raising instrument main body is connected with a dust raising instrument air inlet penetrating through the PVC sleeve shell. A rectangular calibration tube is mounted in the dust raising instrument gas inlet through a locking bolt, a dust concentration sensor is mounted at the top of the rectangular calibration tube through a screw, and a gas flow meter is mounted at one end of the dust concentration sensor through a mounting seat; one end of the rectangular calibration pipe is connected with a U-shaped rotating plate through a damping rotating shaft A, and one end of the U-shaped rotating plate is sleeved with an air suction pipe; the dust concentration sensor is used for conveniently detecting the dust concentration in air, so that calibration of the dust concentration is achieved, the detection precision of the dust raising instrument body is improved, the damping rotating shaft A and the PP hose are used for conveniently rotating the air suction pipe to different directions, and the use range is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of dust emission meters, in particular to a dust emission meter with calibration function. Background Art

[0002] Dust meter, also known as dust detector or dust online monitoring system, is an online monitoring system based on light scattering counting method and sound sensing technology to measure the concentration of particulate matter and noise level in the surrounding environment. It is mainly aimed at construction sites and other objects, and uses the Internet of Things and artificial intelligence technology to collect and transmit data from detection sensors in various environments (such as PM2.5, PM10, noise, wind speed, wind direction, etc.) in real time. These data can be displayed in real time on the on-site LED screen, platform PC and mobile terminal, which is convenient for regulators to remotely monitor the real-time environmental data on site and make timely decisions.

[0003] The existing dust meter cannot use the dust concentration sensor to detect the dust concentration in the air, so as to realize the calibration of the dust concentration, thereby improving the detection accuracy of the dust meter body, and using the damping shaft A and the PP hose is not convenient to rotate the suction pipe to different directions, thereby expanding the scope of use. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides a calibrated dust meter, which utilizes a dust concentration sensor to detect the dust concentration in the air, thereby realizing the calibration of the dust concentration and improving the detection accuracy of the dust meter body. The damping shaft A and the PP hose are used to facilitate the rotation of the suction pipe to different directions, thereby expanding the scope of use.

[0005] The technical solution adopted by the utility model to solve the technical problem is a calibrated dust meter, comprising a mounting plate, a PVC casing and a dust meter body, wherein the dust meter body is sleeved in the PVC casing and one end of the dust meter body is connected to an air inlet of the dust meter penetrating the PVC casing, a rectangular calibration tube is installed in the air inlet of the dust meter through a locking bolt, a dust concentration sensor is installed on the top of the rectangular calibration tube through a screw, and a gas flow meter is installed on one end of the dust concentration sensor through a mounting seat;

[0006] One end of the rectangular calibration tube is connected to the U-shaped rotating plate through the damping shaft A, and one end of the U-shaped rotating plate is sleeved with an air intake pipe, a suction fan is installed in the air intake pipe through a mounting seat, and the rectangular calibration tube is connected to the air intake pipe through a PP hose.

[0007] By adopting the above technical solution, the dust meter body is used to detect the concentration of particulate matter in the gas, and the dust concentration sensor is used to detect the dust concentration in the air, thereby realizing the calibration of the dust concentration, improving the detection accuracy of the dust meter body, and using the damping shaft A and the PP hose to facilitate the rotation of the suction pipe to different directions, thereby expanding the scope of use.

[0008] Specifically, a horizontal connecting plate is hot-melt-connected to one end of the bottom of the PVC shell, and a vertical connecting plate is installed to one end of the horizontal connecting plate by bolts. The bottom of the vertical connecting plate is connected to the supporting inclined plate by a damping shaft B.

[0009] By adopting the above technical solution, the supporting inclined plate and the vertical connecting plate are connected through the damping shaft B, so that the dust collector body can be easily rotated to a suitable angle for use.

[0010] Specifically, a mounting plate is welded to the bottom of the supporting inclined plate and mounting screw holes are provided on the mounting plate.

[0011] Specifically, the detection ends of the dust concentration sensor and the gas flow meter are both located in the rectangular calibration tube.

[0012] Specifically, a silicone pad is provided between the PVC casing and the dust collector body.

[0013] By adopting the above technical solution, the sealing between the dust collector body and the PVC shell is improved by using a silicone pad, which has high elasticity and a certain buffering effect.

[0014] Specifically, a connecting wire is provided on one side of the bottom end of the PVC shell through a wire sleeve, and the connecting wire is connected to the dust collector body.

[0015] Beneficial effects of the utility model:

[0016] (1) The utility model discloses a calibrated dust collector, which uses a suction fan to suck external gas into a rectangular calibration tube, uses a gas flow meter to detect the gas flow rate for personnel to know, and uses the dust collector body to detect the concentration of particulate matter in the gas.

[0017] (2) The utility model discloses a calibrated dust meter, which utilizes a dust concentration sensor to detect the dust concentration in the air, thereby realizing the calibration of the dust concentration and improving the detection accuracy of the dust meter body. The damping shaft A and the PP hose are utilized to facilitate the rotation of the air intake pipe to different directions, thereby expanding the scope of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a rear view of the utility model;

[0021] Figure 3 It is a schematic diagram of the suction fan structure of the utility model.

[0022] In the figure: 1. Locking bolt; 2. Air inlet of dust collector; 3. Rectangular calibration tube; 4. Damping shaft A; 5. U-shaped rotating plate; 6. Intake pipe; 7. PP hose; 8. Gas flow meter; 9. Dust concentration sensor; 10. Silicone pad; 11. PVC shell; 12. Dust collector body; 13. Mounting screw hole; 14. Mounting plate; 15. Support inclined plate; 16. Horizontal connecting plate; 17. Vertical connecting plate; 18. Damping shaft B; 19. Connecting wire; 20. Wire sleeve; 21. Suction fan. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In order to use the dust concentration sensor 9 to detect the dust concentration in the air, thereby realizing the calibration of the dust concentration and improving the detection accuracy of the dust meter body 12, the damping shaft A4 and the PP hose 7 are used to rotate the suction pipe 6 to different directions to expand the scope of use, such as Figure 1-3 As shown, the dust meter with calibration described in the utility model comprises a mounting plate 14, a PVC casing 11 and a dust meter body 12, the dust meter body 12 is sleeved in the PVC casing 11, and one end of the dust meter body 12 is connected to a dust meter air inlet 2 that penetrates the PVC casing 11, a rectangular calibration tube 3 is installed in the dust meter air inlet 2 through a locking bolt 1, a dust concentration sensor 9 is installed on the top of the rectangular calibration tube 3 through screws, and a gas flow meter 8 is installed on one end of the dust concentration sensor 9 through a mounting seat;

[0025] One end of the rectangular calibration tube 3 is connected to the U-shaped rotating plate 5 through the damping shaft A4, and one end of the U-shaped rotating plate 5 is sleeved with an air intake pipe 6, and a suction fan 21 is installed in the air intake pipe 6 through a mounting seat. The rectangular calibration tube 3 is connected to the air intake pipe 6 through a PP hose 7.

[0026] When in use, the dust concentration sensor 9 is used to detect the dust concentration in the air, thereby realizing the calibration of the dust concentration and improving the detection accuracy of the dust meter body 12. The damping shaft A4 and the PP hose 7 are used to rotate the suction pipe 6 to different directions to expand the scope of use.

[0027] For example, Figure 1 , 2 As shown, the utility model also includes that a horizontal connecting plate 16 is hot-melt connected to one end of the bottom of the PVC shell 11, and a vertical connecting plate 17 is installed at one end of the horizontal connecting plate 16 by bolts, and the bottom of the vertical connecting plate 17 is connected to the supporting inclined plate 15 through a damping shaft B18.

[0028] When in use, the supporting inclined plate 15 and the vertical connecting plate 17 are connected via the damping shaft B18, so that the dust meter body 12 can be rotated to a suitable angle for use.

[0029] For example, Figure 1 As shown, the utility model further includes that a mounting plate 14 is welded to the bottom of the supporting inclined plate 15 and mounting screw holes 13 are opened on the mounting plate 14 .

[0030] When in use, the mounting screw holes 13 on the mounting plate 14 and the matching mounting bolts are used to conveniently mount the entire device on the bracket for use.

[0031] For example, Figure 1 As shown, the utility model also includes that the detection ends of the dust concentration sensor 9 and the gas flow meter 8 are both located in the rectangular calibration tube 3.

[0032] When in use, the gas flow meter 8 is used to detect the gas flow so that personnel can know it.

[0033] For example, Figure 1 As shown, the utility model also includes that a silicone pad 10 is arranged between the PVC casing 11 and the dust collector body 12 .

[0034] When in use, the silicone pad 10 is used to improve the sealing between the dust meter body 12 and the PVC casing 11, which has high elasticity and a certain buffering effect.

[0035] For example, Figure 1 , 2 As shown, the utility model also includes that a connecting wire 19 is sleeved on one side of the bottom end of the PVC casing 11 through a wire sleeve 20, and the connecting wire 19 is connected to the dust collector body 12.

[0036] When in use, the connecting wire 19 is convenient for supplying power to the dust meter body 12 so as to make it run stably.

[0037] When the utility model is in use, the mounting screw holes 13 on the mounting plate 14 and the matching mounting bolts are used to facilitate the installation of the entire device on the bracket, and the supporting inclined plate 15 and the vertical connecting plate 17 are connected through the damping shaft B18 to facilitate the rotation of the dust meter body 12 to a suitable angle for use;

[0038] The silicone pad 10 is used to improve the sealing between the dust meter body 12 and the PVC casing 11, which has high elasticity and a certain buffering effect. The suction fan 21 is used to suck the external gas into the rectangular calibration tube 3, and the gas flow meter 8 is used to detect the gas flow, which is convenient for personnel to know;

[0039] The dust meter body 12 is used to detect the concentration of particulate matter in the gas, and the dust concentration sensor 9 is used to detect the dust concentration in the air, thereby realizing the calibration of the dust concentration and improving the detection accuracy of the dust meter body 12. The damping shaft A4 and the PP hose 7 are used to facilitate the rotation of the suction pipe 6 to different directions, thereby expanding the scope of use.

[0040] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A dust monitor with calibration, characterized in that: The device comprises a mounting plate (14), a PVC casing (11) and a dust meter body (12); the dust meter body (12) is sleeved in the PVC casing (11), and one end of the dust meter body (12) is connected to a dust meter air inlet (2) penetrating the PVC casing (11); a rectangular calibration tube (3) is installed in the dust meter air inlet (2) via a locking bolt (1); a dust concentration sensor (9) is installed on the top of the rectangular calibration tube (3) via a screw, and a gas flow meter (8) is installed on one end of the dust concentration sensor (9) via a mounting seat; One end of the rectangular calibration tube (3) is connected to the U-shaped rotating plate (5) via a damping rotating shaft A (4), and one end of the U-shaped rotating plate (5) is sleeved with an air intake pipe (6), a suction fan (21) is installed in the air intake pipe (6) via a mounting seat, and the rectangular calibration tube (3) is connected to the air intake pipe (6) via a PP hose (7).

2. A calibrated dust monitor according to claim 1, characterized in that: A horizontal connecting plate (16) is hot-melt-connected to one end of the bottom of the PVC casing (11), and a vertical connecting plate (17) is bolted to one end of the horizontal connecting plate (16), and the bottom of the vertical connecting plate (17) is connected to the supporting inclined plate (15) via a damping shaft B (18).

3. A calibrated dust monitor according to claim 2, characterized in that: A mounting plate (14) is welded to the bottom of the supporting inclined plate (15), and mounting screw holes (13) are provided on the mounting plate (14).

4. The dust emission meter with calibration according to claim 1, characterized in that: The detection ends of the dust concentration sensor (9) and the gas flow meter (8) are both located inside the rectangular calibration tube (3).

5. The dust emission meter with calibration according to claim 1, characterized in that: A silica gel pad (10) is arranged between the PVC casing (11) and the dust collector body (12).

6. The dust emission meter with calibration according to claim 1, characterized in that: A connecting wire (19) is sleeved on one side of the bottom end of the PVC casing (11) through a wire sleeve (20), and the connecting wire (19) is connected to the dust collector body (12).

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