Sampling port structure for atmospheric particulate monitoring equipment

Abstract

The utility model relates to the technical field of atmospheric monitoring sampling, in particular to a sampling port structure for atmospheric particulate monitoring equipment, which comprises a sampling port, an adjusting pipe and a sample conveying pipe, the adjusting pipe is fixedly connected to the lower end of the sampling port, and the top end of the sample conveying pipe is fixedly connected with a supporting plate. A sampling port rotation driving structure is arranged on the inner side of the supporting plate, and a sampling pipe bending angle structure is arranged above the supporting plate. According to the sampling port structure for the atmospheric particulate monitoring equipment, when the orientation angle of the sampling port at the top end of the adjusting pipe needs to be adjusted, the air cylinders can also drive the sampling port to rotate along the adjusting pipe to change the orientation direction, and after the two air cylinders are started by connecting a power supply, the air cylinders on the two sides can extend by different distances according to needs; therefore, the sampling angle and the sampling direction can be quickly and automatically adjusted and changed according to specific conditions, and the use effect of the sampling port structure for the atmospheric particulate monitoring equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to atmospheric monitoring sampling technical field, concretely is a sampling port structure for atmospheric particulate matter monitoring equipment. BACKGROUND

[0002] With the development of society, people pay more and more attention to atmospheric environment, and atmospheric monitoring equipment is usually used to monitor the environmental quality of atmosphere. Atmospheric quality monitoring is a process of selecting several or ten representative monitoring points in an area according to the size of the area, atmospheric pollution source distribution, source intensity, meteorological conditions, topography and other factors, and monitoring the specified items regularly. The sampling port structure is usually installed on the monitoring equipment, so the sampling port structure for atmospheric particulate matter monitoring equipment is needed.

[0003] For example, the authorized announcement number "CN219608537U" is named a sampling port structure for atmospheric particulate matter monitoring equipment. The reverse force of the compression spring drives the arc-shaped clamping plate to adhere to the surface of the collection pipeline, thereby effectively fixing it. However, the existing sampling port structure for atmospheric particulate matter monitoring equipment uses elastic metal plates and elastic metal wires to facilitate manual adjustment of the sampling direction. However, in actual use, the operator needs to manually adjust the sampling direction frequently, which is very time-consuming in actual operation. Moreover, when the outdoor wind is too strong, the plastic shape of the elastic metal plate is easily blown off, which ultimately affects the working effect of the sampling port structure for atmospheric particulate matter monitoring equipment.

[0004] At the same time, the sampling port structure for atmospheric particulate matter monitoring equipment needs to be directly set up in the outdoor space to suck and sample atmospheric particulate matter. However, there is no protective device inside the sampling port, and outdoor large floating objects, willow catkins, or plastic bag debris can easily enter the sampling port structure through the large opening. This may cause blockage and require laborious cleaning, or may damage the structure of the monitoring equipment and cause greater losses, thereby increasing the use cost of the sampling port structure for atmospheric particulate matter monitoring equipment. INVENTION CONTENTS

[0005] The utility model aims at solving the problems of poor working effect and increased use cost of the sampling port structure for atmospheric particulate matter monitoring equipment, and proposes a sampling port structure for atmospheric particulate matter monitoring equipment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model designs a kind of sampling port structure for atmospheric particulate matter monitoring equipment, including sampling port, adjusting pipe and sample tube, the adjusting pipe is fixedly connected in the lower end of sampling port, the top of sample tube is fixedly connected with support plate, the inside of support plate is equipped with sampling port rotary drive structure, the below of support plate is equipped with sampling port angle adjustment support rotary structure, the above of support plate is equipped with sampling tube bending angle structure.

[0008] Preferably, the sampling port rotary drive structure includes a motor and a drive gear, the motor is fixedly installed on one side of the top end of the support plate, the output shaft of the motor is fixedly connected with a rotating shaft, the outer side of the rotating shaft is fixedly sleeved with a drive gear, one side of the drive gear is movably connected with a lubricating hole, the other side of the drive gear is meshingly connected with a driven gear.

[0009] Preferably, the sampling port angle adjustment support rotary structure includes a rotating shaft and a circular sliding groove, the rotating shaft is rotatably connected to the inner side of the support plate through a bearing, the outer side of the rotating shaft is fixedly connected with the inner side of the driven gear, the inner side of the rotating shaft is fixedly provided with an air passage, the circular sliding groove is fixedly provided at the top end of the support plate, the inner side of the circular sliding groove is slidably connected with two sliding blocks, the top end of each sliding block is fixedly installed with a fixed block.

[0010] Preferably, the sampling tube bending angle structure includes an air cylinder and a hose, the hose is fixedly connected to the top end of the support plate, the upper side of the hose is fixedly connected with a sealed bearing, the outer side of the sealed bearing is rotatably connected with the inner side of the adjusting pipe, the lower end of the hose is in communication with the air passage, the air cylinder is fixedly installed on the top end of the fixed block, the upper side of each air cylinder is movably connected with a connecting pin, the other side of each connecting pin is fixedly connected with the lower end of the sampling port.

[0011] Preferably, the inner side of the adjusting pipe is fixedly connected with a screen, the upper side of the screen is in communication with the inner side of the sampling port, the lower side of the screen is in communication with the top end of the hose.

[0012] Preferably, the top end of the sample tube is connected with the lower end of the air passage.

[0013] The sampling port structure for atmospheric particulate matter monitoring equipment has the beneficial effects that when the angle of the sampling port at the top end of the adjusting pipe needs to be adjusted, the air cylinder can also drive the sampling port to rotate along the adjusting pipe to change the direction, after the two air cylinders are started by connecting the power supply, the two air cylinders can be elongated by different lengths according to the needs, so that the sampling angle and the sampling direction can be quickly and automatically adjusted according to the specific conditions, and the use effect of the sampling port structure for atmospheric particulate matter monitoring equipment is improved.

[0014] The intercepting net is made of a large-pored stainless steel mesh plate, is installed on the caliber inside the sampling port, can block large impurities from entering the inside of the adjusting pipe, and reduces damage of the atmospheric particulate matter monitoring equipment and use cost of the sampling port structure of the atmospheric particulate matter monitoring equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic view of the utility model;

[0016] Figure 2 It is Figure 1 a front view schematic view;

[0017] Figure 3 It is Figure 1 a top view schematic view;

[0018] Figure 4 It is Figure 2 an enlarged sectional view of A part in the figure;

[0019] Figure 5 It is Figure 2 an enlarged sectional view of B part in the figure;

[0020] Figure 6 It is Figure 2 an enlarged sectional view of C part in the figure.

[0021] In the figure: 1, sampling port, 2, adjusting pipe, 3, sample conveying pipe, 4, support plate, 5, sampling port rotary drive structure, 51, motor, 52, rotary shaft, 53, driving gear, 54, lubricating hole, 55, driven gear, 6, sampling port angle adjustment support rotary structure, 61, rotary shaft, 62, air cavity, 63, circular sliding groove, 64, sliding block, 65, fixed block, 7, sampling pipe bending angle structure, 71, air cylinder, 72, connecting pin, 73, sealing bearing, 74, hose, 8, intercepting net. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings:

[0023] Example 1;

[0024] Please refer to Figures 1-6 , in the embodiment, a sampling port structure for atmospheric particulate matter monitoring equipment, including sampling port 1, adjusting pipe 2 and sample conveying pipe 3, adjusting pipe 2 is fixedly connected at the lower end of sampling port 1, adjusting pipe 2 is used for driving the sampling port 1 above angle adjustment rotation, the top end of sample conveying pipe 3 is fixedly connected with support plate 4, support plate 4 is welded at the top end of sample conveying pipe 3, the inside of support plate 4 is equipped with sampling port rotary drive structure 5, the below of support plate 4 is equipped with sampling port angle adjustment support rotary structure 6, the above of support plate 4 is equipped with sampling pipe bending angle structure 7.

[0025] The sampling port rotating driving structure 5 comprises a motor 51 and a driving gear 53. The motor 51 is fixedly installed on the top end side of the support plate 4. The motor 51 is a servo motor. When the servo motor is selected, a motor model that can meet the use requirements can be selected. The output shaft of the motor 51 is fixedly connected with a rotating shaft 52. The outer side of the rotating shaft 52 is fixedly sleeved with the driving gear 53. When the motor 51 is started by connecting the power supply, the motor 51 can drive the rotating shaft 52 below to rotate. When the rotating shaft 52 rotates, the driving gear 53 can be driven to rotate. The driving gear 53 is movably connected with a lubricating hole 54 on one side. The lubricating hole 54 can supplement the lubricating oil to the sawtooth of the driving gear 53. The other side of the driving gear 53 is meshingly connected with a driven gear 55. The sawtooth of the driving gear 53 is meshed with the sawtooth of the driven gear 55. Therefore, the driving gear 53 can drive the driven gear 55 to rotate at the same time.

[0026] The sampling port angle adjusting support rotating structure 6 comprises a rotating shaft 61 and a circular sliding groove 63. The rotating shaft 61 is rotatably connected to the inner side of the support plate 4 through a bearing. The outer side of the rotating shaft 61 is fixedly connected with the inner side of the driven gear 55. Therefore, the driven gear 55 can also drive the inner rotating shaft 61 to rotate under the driving of the driving gear 53. The outer side of the rotating shaft 61 is fixedly connected with the inner side of the driven gear 55. The inner side of the rotating shaft 61 is fixedly provided with an air passage 62 for connecting the sampling tube 3 below and the adjusting tube 2 above. The circular sliding groove 63 is fixedly provided at the top end of the support plate 4. The circular sliding groove 63 is an arc-shaped sliding track provided on the top surface of the support plate 4. A sliding block 64 can move in a circular motion along the arc-shaped track in the inner side of the circular sliding groove 63. The inner side of the circular sliding groove 63 is slidably connected with two sliding blocks 64. The sliding blocks 64 are supported by fixed blocks 65 below. When the rotating shaft 61 rotates, the sliding blocks 64 protruding from the two sides of the driven gear 55 above can drive the fixed blocks 65 to rotate. The top ends of the two sliding blocks 64 are fixedly installed with two fixed blocks 65.

[0027] The sampling tube bending angle structure 7 comprises an air cylinder 71 and a hose 74. The hose 74 is fixedly connected with the top end of the support plate 4. The upper side of the hose 74 is fixedly connected with a sealed bearing 73. The sealed bearing 73 can make the adjusting tube 2 rotate at the top end of the hose 74. The outer side of the sealed bearing 73 is rotatably connected with the inner side of the adjusting tube 2. The lower end of the hose 74 is connected with the air passage 62. The air cylinder 71 is obliquely connected above the fixed blocks 65 that can rotate and adjust the position on the two sides. After the air cylinder 71 is started by connecting the power supply, the top end connecting pin 72 can be pushed up or down. Under normal circumstances, the two air cylinders 71 can support the adjusting tube 2 to keep vertical on the left and right sides.

[0028] Then when the sampling port 1 at the top of the adjusting pipe 2 needs to be adjusted to the angle of orientation, the operator only needs to manually start the motor 51 to drive the two fixed blocks 65 to rotate by a certain angle through the above transmission relationship, so that the air cylinder 71 can also drive the sampling port 1 to rotate along the adjusting pipe 2 to change the direction, and after the two air cylinders 71 are started by connecting the power supply, the two air cylinders 71 can be elongated by different lengths according to the needs, and one side is slightly shorter and the other side is slightly longer to push the adjusting pipe 2 to bend along the lower hose 74 to the shorter side air cylinder 71, so that the sampling angle and the sampling direction can be quickly and automatically adjusted according to the specific situation, and the use effect of the sampling port structure for atmospheric particulate matter monitoring equipment is improved.

[0029] When the sampling port 1 at the top of the adjusting pipe 2 needs to be adjusted to the angle of orientation, the operator only needs to manually start the motor 51 to drive the two fixed blocks 65 to rotate by a certain angle through the above transmission relationship, so that the air cylinder 71 can also drive the sampling port 1 to rotate along the adjusting pipe 2 to change the direction, and after the two air cylinders 71 are started by connecting the power supply, the two air cylinders 71 can be elongated by different lengths according to the needs, and one side is slightly shorter and the other side is slightly longer to push the adjusting pipe 2 to bend along the lower hose 74 to the shorter side air cylinder 71, so that the sampling angle and the sampling direction can be quickly and automatically adjusted according to the specific situation, and the use effect of the sampling port structure for atmospheric particulate matter monitoring equipment is improved.

[0030] Working principle:

[0031] In use of the sampling port structure for atmospheric particulate matter monitoring equipment, the sampling port structure is connected above the atmospheric particulate matter monitoring equipment, and the air sample in the atmosphere is collected and then conveyed to the atmospheric particulate matter monitoring equipment below for monitoring of the particulate matter content.

[0032] The adjusting pipe 2 is fixedly connected to the lower end of the sampling port 1, and the adjusting pipe 2 is used to drive the sampling port 1 above to rotate for angle adjustment, and the top end of the sample conveying pipe 3 is fixedly connected with the support plate 4 which is welded to the top end of the sample conveying pipe 3.

[0033] When the motor 51 is started by connecting the power supply, the motor 51 can drive the rotating shaft 52 below to rotate, and when the rotating shaft 52 rotates, it can drive the driving gear 53 to rotate, and the lubrication hole 54 can supplement lubricating oil to the sawtooth of the driving gear 53, and the sawtooth of the driving gear 53 is engaged with the sawtooth of the driven gear 55, so that the driving gear 53 can drive the driven gear 55 to rotate at the same time.

[0034] The outer side of the rotating shaft 61 is fixedly connected with the inner side of the driven gear 55, so that the driven gear 55 can also drive the inner rotating shaft 61 to rotate under the drive of the driving gear 53; the ventilation cavity 62 is used for connecting the lower sample conveying pipe 3 and the upper adjusting pipe 2; the circular sliding groove 63 is a circular arc sliding track formed on the top surface of the plate 4; the sliding block 64 can move along the arc track in the inner side of the circular sliding groove 63, and the sliding block 64 is supported by the lower fixed block 65; when the rotating shaft 61 rotates, the sliding block 64 protruding from the upper two sides of the driven gear 55 drives the fixed block 65 to rotate;

[0035] The sealing bearing 73 can drive the adjusting pipe 2 to rotate at the top end of the hose 74; the air cylinder 71 is obliquely connected above the two sides of the fixed block 65 which can rotate to adjust the position; after the air cylinder 71 is connected to the power supply and started, the top end connecting pin 72 can be pushed up or down; under normal circumstances, the two air cylinders 71 can support the adjusting pipe 2 to keep vertical on the left and right sides, and then when the sampling port 1 at the top end of the adjusting pipe 2 needs to be adjusted to a certain angle, the operator only needs to manually start the motor 51.

[0036] The two fixed blocks 65 are driven to rotate by a certain angle through the above transmission relationship, so that the air cylinder 71 can also drive the sampling port 1 to rotate along the adjusting pipe 2 to change the direction, and after the two air cylinders 71 are connected to the power supply and started, the two air cylinders 71 can be extended to different lengths according to the needs, and one side is slightly shorter and the other side is slightly longer, so that the adjusting pipe 2 can be pushed along the lower hose 74 to the shorter side air cylinder 71, so that the sampling angle and sampling direction can be quickly and automatically adjusted according to the specific situation.

[0037] Embodiment 2:

[0038] Please refer to Figures 1-6 In this embodiment, the sampling port structure of the atmospheric particulate matter monitoring device further comprises an intercepting net 8 fixedly connected inside the adjusting pipe 2, the intercepting net 8 is made of a large-pored stainless steel mesh plate, the intercepting net 8 is installed on the inner diameter of the sampling port 1, and can block large impurities from entering the inside of the adjusting pipe 2, the intercepting net 8 also reduces the damage of the atmospheric particulate matter monitoring device, the upper side of the intercepting net 8 is connected with the inner side of the sampling port 1, the lower side of the intercepting net 8 is connected with the top end of the hose 74, the top end of the sample conveying pipe 3 is connected with the lower end of the ventilation cavity 62, and the sample conveying pipe 3 can be inserted into the inside of the external atmospheric particulate matter monitoring device and then deliver the sampled atmospheric sample to the monitoring device for monitoring. The atmospheric particulate matter monitoring device belongs to the mature existing technology at the present stage, and can scientifically monitor the atmospheric particulate matter, which will not be described in detail here.

[0039] Working principle:

[0040] The intercepting net 8 is made of a large-pore purpose stainless steel metal mesh plate, is installed on the inside caliber of the sampling port 1, can block the large block sundries from entering the inside of the adjusting pipe 2, and also reduces the damage of the atmospheric particulate matter monitoring equipment from the side, and reduces the use cost of the sampling port structure of the atmospheric particulate matter monitoring equipment.

[0041] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. An atmospheric particulate monitoring device sampling port structure comprising a sampling port (1), an adjusting tube (2) and a sample delivery tube (3), the adjusting tube (2) being fixedly connected to the lower end of the sampling port (1), characterized in that: The top end of the sample delivery pipe (3) is fixedly connected with a support plate (4), the inner side of the support plate (4) is provided with a sampling port rotary drive structure (5), the lower side of the support plate (4) is provided with a sampling port angle adjusting support rotating structure (6), and the upper side of the support plate (4) is provided with a sampling tube bending angle structure (7). 2.The sampling port structure for an atmospheric particulate monitoring device according to claim 1, characterized in that: The sampling port rotary drive structure (5) comprises a motor (51) and a driving gear (53), the motor (51) is fixedly installed on the top end of the support plate (4), the output shaft of the motor (51) is fixedly connected with a rotating shaft (52), the outer side of the rotating shaft (52) is fixedly sleeved with the driving gear (53), one side of the driving gear (53) is movably connected with a lubricating hole (54), and the other side of the driving gear (53) is meshedly connected with a driven gear (55). 3.The sampling port structure for an atmospheric particulate monitoring device according to claim 1, characterized in that: The sampling port angle adjusting support rotating structure (6) comprises a rotating shaft (61) and a circular sliding groove (63), the rotating shaft (61) is rotatably connected to the inner side of the support plate (4) through a bearing, the outer side of the rotating shaft (61) is fixedly connected with the inner side of the driven gear (55), the inner side of the rotating shaft (61) is fixedly provided with an air passage (62), the circular sliding groove (63) is fixedly provided at the top end of the support plate (4), and the inner side of the circular sliding groove (63) is slidably connected with two sliding blocks (64).

4. The sampling orifice structure for an atmospheric particulate monitoring device of claim 1, wherein: The sampling tube bending angle structure (7) comprises a cylinder (71) and a hose (74), the hose (74) is fixedly connected with the top end of the support plate (4), the upper side of the hose (74) is fixedly connected with a sealing bearing (73), the outer side of the sealing bearing (73) is rotatably connected with the inner side of the adjusting pipe (2), the lower end of the hose (74) is communicated with the air passage (62), the cylinder (71) is fixedly installed at the top end of the fixed block (65), the upper sides of the two cylinders (71) are movably connected with connecting pins (72), and the other sides of the two connecting pins (72) are fixedly connected with the lower end of the sampling port (1).

5. The sampling orifice structure for an atmospheric particulate monitoring device of claim 1, wherein: The inside of the adjusting pipe (2) is fixedly clamped with an intercepting net (8), the upper side of the intercepting net (8) is communicated with the inner side of the sampling port (1), and the lower side of the intercepting net (8) is communicated with the top end of the hose (74). 6.The sampling inlet structure for an atmospheric particulate monitoring device according to claim 1, characterized in that: The top end of the sample delivery pipe (3) is connected with the lower end of the air passage (62).

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