Volatile organic compound monitoring equipment for atmospheric environment monitoring

By designing a combination of mounting box, telescopic pipe and intake detection unit, the problem of monitoring accuracy caused by high-level installation of exhaust outlet was solved, the accurate setting of the equipment intake end was achieved, and the accuracy of volatile organic compound monitoring was improved.

CN223940907UActive Publication Date: 2026-02-24SHANDONG URBAN CONSTR VOCATIONAL COLLEGE
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Patent Information

Application Number
CN202520367062.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-02-24
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

In some environments, exhaust outlets are located at high altitudes, and volatile organic compound (VOC) monitoring equipment is installed on the wall below the exhaust outlets. This makes it difficult to place the sampling probe at a distance of at least twice the diameter of the flue downstream of the fan bend, affecting the accuracy of monitoring.

Method used

A monitoring device was designed, comprising a mounting box, a telescopic tube, a connecting unit, and an air intake detection unit. The air intake end is adjusted to a distance of not less than twice the diameter of the flue downstream of the fan bend via the telescopic tube, and is fixed to the wall via the mounting unit. The air intake detection unit is used for monitoring, and the device is stably installed and its position adjusted by combining the limiting and force application units.

Benefits of technology

This ensures that the air inlet of the monitoring equipment is set accurately, improving the accuracy of monitoring and reducing measurement errors caused by unstable airflow.

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Abstract

The utility model discloses volatile organic compound monitoring equipment for atmospheric environment monitoring in the technical field of organic compound monitoring equipment, which comprises a mounting box, a mounting unit, a communication unit and an air suction detection unit, and a telescopic pipe is arranged above the mounting box. According to the utility model, the telescopic pipe is arranged above the mounting box, so that a user can communicate one end of the telescopic pipe to the top of the mounting box through the communication unit during use, and then the mounting box is mounted on a wall surface through the mounting unit; and finally, external air is sucked into the telescopic pipe and the mounting box through the air suction monitoring unit, organic matter in the external air can be monitored through the air suction monitoring unit, and meanwhile, before the process, a user can adjust the length of the telescopic pipe to monitor the organic matter in the external air. The air inlet end of the telescopic pipe is arranged at the position which is not smaller than two times of the diameter of the flue from the downstream of the fan elbow, and the monitoring accuracy is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the technical field of organic matter monitoring equipment, specifically a volatile organic compound monitoring device for atmospheric environmental monitoring. Background Technology

[0002] Volatile organic compound (VOC) monitoring is the process of detecting, analyzing, and evaluating volatile organic compounds (VOCs) in the atmosphere. When conducting atmospheric environmental monitoring, the installation location of organic compound monitoring equipment needs to be determined based on specific monitoring needs and scenarios.

[0003] For pollution sources with clearly defined exhaust stacks, such as industrial waste gas outlets, volatile organic compound (VOC) monitoring equipment is typically installed near the outlet. After installation, the sampling probe should be positioned at a distance of at least twice the diameter of the flue gas duct downstream of the fan bend. This is because the airflow generated by the fan through the bend creates significant disturbances and eddies, which can lead to uneven distribution of pollutants. A certain distance from the bend allows sufficient space and time for the airflow to stabilize, ensuring that the gas samples collected by the probe accurately reflect the actual emissions and reducing measurement errors caused by airflow instability. However, in some environments, the waste gas outlet is located at a high position, and the VOC monitoring equipment is installed on the wall below it. This makes it difficult to position the sampling probe at a distance of at least twice the diameter of the flue gas duct downstream of the fan bend, affecting monitoring accuracy. Therefore, a new type of VOC monitoring equipment for atmospheric environmental monitoring is needed to address these issues. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that in some environments, the exhaust outlet is set at a high position and the volatile organic compound monitoring equipment is also installed on the wall below the exhaust outlet. This makes it difficult to set the sampling probe at a distance of not less than twice the diameter of the flue downstream of the fan bend, thus affecting the accuracy of monitoring. This utility model provides an organic compound monitoring device.

[0005] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0006] A volatile organic compound (VOC) monitoring device for atmospheric environmental monitoring includes: a mounting box with a telescopic pipe disposed on top of the mounting box; an installation unit, a communication unit, and an intake detection unit; the installation unit is used to mount the mounting box on a wall; the communication unit is used to connect one end of the telescopic pipe to the mounting box; and the intake detection unit is used to draw external gas into the telescopic pipe and the interior of the mounting box and monitor it.

[0007] Furthermore, the mounting box includes a main box body, on the inner wall of which a rotating door is rotatably mounted, and also includes a limiting unit for restricting the setting of the rotating door.

[0008] Furthermore, the limiting unit includes two limiting rings that are respectively fixedly installed on the surface of the main housing and the rotating door, and the inner walls of the two limiting rings are slidably fitted with the same lock.

[0009] Furthermore, the telescopic tube includes a main tube body, and a secondary tube body is threaded onto the surface of the main tube body.

[0010] Furthermore, the mounting unit includes two mounting rails, each with two mounting bolts threaded onto its surface. The main housing has mounting edges on both sides, with the surfaces of the two mounting edges slidably inserted into the inner walls of the two mounting rails. The unit also includes a force-applying unit, which applies a force to the two mounting edges pointing towards the mounting rails.

[0011] Furthermore, the force-applying unit includes two pressure plates that are slidably inserted into the inner walls of the two mounting rails, and threaded rods are rotatably inserted into the surfaces of the two pressure plates, with the surfaces of the two threaded rods respectively threadedly inserted into the surfaces of the two mounting rails.

[0012] Furthermore, the connecting unit includes a flange fixedly installed at one end of the main body, one end of the flange being slidably inserted into the top of the main housing and having several connecting bolts threaded onto its surface, the surfaces of the several connecting bolts being threaded onto the top of the main housing.

[0013] Furthermore, the air intake monitoring unit includes an organic matter detector, a controller, and a 4G transmission module, which are fixedly installed on the inner wall of the main housing. The organic matter detector and the 4G transmission module are both electrically connected to the controller. A fan is fixedly inserted through the surface of the rotating door. An air intake pump is fixedly installed on the inner wall of the main housing. The fan and the air intake pump are both electrically connected to the controller.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. In this utility model, a telescopic tube is installed above the mounting box. During use, the user can connect one end of the telescopic tube to the top of the mounting box through the connecting unit, and then install the mounting box on the wall through the mounting unit. Finally, the air intake monitoring unit draws the outside air into the telescopic tube and the interior of the mounting box, and the air intake monitoring unit can monitor the organic matter in the outside air. At the same time, before this, the user can adjust the length of the telescopic tube so that the air intake end of the telescopic tube is set at a distance of not less than twice the diameter of the flue downstream of the fan bend, ensuring the accuracy of the monitoring.

[0016] 2. In this utility model, by setting two mounting rails that can be fixed to the wall by several threaded rods, the user can rotate the two threaded rods during use, causing the two pressure plates to respectively adhere to the surfaces of the two mounting edges, thereby limiting the main body between the two mounting rails, that is, limiting the main body on the wall. At the same time, during later use, the user can also move the main body, causing the two mounting edges to slide on the inner walls of the two mounting rails, thereby adjusting the position of the main body and the telescopic tube above it. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a side view of the present invention;

[0019] Figure 3 This is a half-sectional view of a portion of the structure of this utility model;

[0020] Figure 4 This is a partial cross-sectional view of a portion of the structure of this utility model.

[0021] In the diagram: 1. Mounting box; 11. Main box body; 12. Rotating door; 13. Limiting unit; 131. Limiting ring; 132. Lock; 2. Telescopic pipe; 21. Main pipe body; 22. Secondary pipe body; 3. Mounting unit; 31. Mounting rail; 32. Mounting bolt; 33. Mounting edge; 34. Force application unit; 341. Pressure plate; 342. Threaded rod; 4. Connecting unit; 41. Flange; 42. Connecting bolt; 5. Suction monitoring unit; 51. Organic matter detector; 52. Controller; 53. 4G transmission module; 54. Fan; 55. Suction pump. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0023] This embodiment provides a volatile organic compound (VOC) monitoring device for atmospheric environmental monitoring. It primarily addresses the problem in some environments where exhaust vents are located at high elevations, and the VOC monitoring device is also installed on a wall below the exhaust vent. This makes it difficult to position the sampling probe at a distance of at least twice the diameter of the flue downstream of the fan bend, thus affecting monitoring accuracy. The following technical solution is provided, which will be discussed in conjunction with... Figures 1-4 Please provide a detailed explanation:

[0024] A volatile organic compound (VOC) monitoring device for atmospheric environmental monitoring includes: a mounting box 1 with a telescopic pipe 2 mounted on top; the user first connects one end of the telescopic pipe 2 to the top of the mounting box 1 via a connecting unit 4, and then mounts the mounting box 1 on a wall via a mounting unit 3; during use, the user draws outside air into the telescopic pipe 2 via an air intake monitoring unit 5, which then monitors the air after passing through the mounting box 1, thus achieving the detection purpose; prior to this, the user can adjust the length of the telescopic pipe 2 so that the air inlet end of the telescopic pipe 2 is located at a distance of not less than twice the diameter of the flue downstream of the fan 54 bend, ensuring monitoring accuracy; the main component of the mounting box 1 is a main box body 11 with a rotating door 12 rotatably mounted on its inner wall; during use, the user can limit the position of the rotating door 12 on the inner wall of the main box body 11 via a limiting unit 13; the main component of the telescopic pipe 2 is a main body 21 with a secondary pipe body 22 threaded onto its surface; during use, the user can rotate the secondary pipe body 22 to monitor the main body 21 and the secondary pipe body 22. The control of the total length of the secondary pipe body 22 includes the following components: Installation unit 3 mainly consists of two mounting rails 31. During use, the user needs to install both mounting rails 31 onto the wall using several mounting bolts 32. Then, pulling the main housing 11 causes the mounting edges 33 on both sides of the main housing 11 to slide along the inner walls of the two mounting rails 31. Finally, the force application unit 34 applies force to the two mounting edges 33 pointing towards the mounting rails 31, thus adjusting the position of the main housing 11 between the two mounting rails 31. The main component of the connecting unit 4 is several connecting bolts 42. During use, the user attaches the flange 41 fixedly installed at one end of the main pipe body 21 to the surface of the main housing 11, then inserts the connecting bolts 42 threadedly into the surface of the flange 41 and then into the surface of the main housing 11, thus connecting the main pipe body 21 and the main housing 11. The main component of the intake monitoring unit 5 is an organic matter detector 51 fixedly installed on the inner wall of the main housing 11 (existing technology, authorized public account: CN). As mentioned in Chinese Utility Model Patent No. 115356445 B, "A Volatile Organic Compound Monitoring Device for Atmospheric Environment Monitoring," the device consists of a controller 52 and a 4G transmission module 53. During use, the volatile organic compound content in the gas drawn into the inner wall of the main housing 11 by the suction pump 55, which is fixedly installed inside the main housing 11, is detected by the organic compound detector 51. The relevant data is transmitted to the control platform of the environmental monitoring station via the controller 52 and the 4G transmission module 53. At the same time, after the monitoring is completed, the controller 52 will turn on the fan 54 fixedly inserted through the surface of the rotating door 12 to discharge the gas inside the main housing 11 to avoid affecting the next monitoring.

[0025] By installing a telescopic pipe 2 above the mounting box 1, the user can connect one end of the telescopic pipe 2 to the top of the mounting box 1 through the connecting unit 4, and then install the mounting box 1 on the wall through the mounting unit 3. Finally, the external air is drawn into the telescopic pipe 2 and the interior of the mounting box 1 through the air intake monitoring unit 5, which can monitor the organic matter in the outside air. Before this, the user can adjust the length of the telescopic pipe 2 so that the air inlet end of the telescopic pipe 2 is located at a distance of not less than twice the diameter of the flue downstream of the elbow of the fan 54, ensuring the accuracy of the monitoring.

[0026] By setting two mounting rails 31 that can be fixed to the wall by several threaded rods 342, the user can rotate the two threaded rods 342 during use, causing the two pressure plates 341 to respectively fit against the surfaces of the two mounting edges 33, thereby limiting the main body 11 between the two mounting rails 31, that is, limiting the main body 11 on the wall. At the same time, during later use, the user can also move the main body 11, causing the two mounting edges 33 to slide on the inner walls of the two mounting rails 31, thereby adjusting the position of the main body 11 and the telescopic tube 2 above it.

[0027] like Figure 1 As shown, in some embodiments, the main components of the limiting unit 13 are: a lock 132. In use, the user fastens the lock 132 onto the inner walls of two limiting rings 131 that are respectively fixedly installed on the surfaces of the main housing 11 and the rotating door 12, thereby limiting the rotating door 12 on the inner wall of the main housing 11. The main components of the force application unit 34 are: two pressure plates 341 that are respectively slidably inserted into the inner walls of the two mounting rails 31. In use, the user rotates the two threaded rods 342 that are respectively rotatably inserted into the surfaces of the two pressure plates 341, thereby driving the two pressure plates 341 to press down on the two mounting edges 33, thereby achieving a relatively tight limitation of the two mounting edges 33 on the inner walls of the two mounting rails 31.

[0028] The working process of this utility model is as follows: First, the user needs to install both mounting rails 31 on the wall using several mounting bolts 32, rotate the two threaded rods 342 to drive the two pressure plates 341 to press the mounting edge 33, and then rotate the secondary pipe body 22 to control the total length of the main pipe body 21 and the secondary pipe body 22 so that the air inlet end of the telescopic pipe 2 is set at a distance of not less than twice the diameter of the flue downstream of the elbow of the fan 54, so as to ensure the accuracy of monitoring.

[0029] Secondly, the user needs to remotely issue commands to the controller 52 via the 4G transmission module 53 through the control platform of the environmental monitoring station (hereinafter referred to as being controlled by the controller 52). That is, the controller 52 controls the air pump 55 to draw the outside gas into the main chamber 11, and then the volatile organic compounds are monitored by the organic matter detector 51. Finally, the relevant data is remotely transmitted to the control platform of the environmental monitoring station via the 4G transmission module 53 through the controller 52 to complete the operation.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A volatile organic compound (VOC) monitoring device for atmospheric environmental monitoring, characterized in that, include: The installation box (1) is equipped with a telescopic tube (2) on its top, and also includes an installation unit (3), a communication unit (4), and an air intake monitoring unit (5). The installation unit (3) is used to install the installation box (1) on the wall. The communication unit (4) is used to connect one end of the telescopic tube (2) to the installation box (1). The air intake monitoring unit (5) is used to draw external air into the telescopic tube (2) and the interior of the installation box (1) and monitor it.

2. The volatile organic compound monitoring device for atmospheric environmental monitoring according to claim 1, characterized in that: The installation box (1) includes a main box body (11), on which a rotating door (12) is rotatably installed, and also includes a limiting unit (13), which is used to limit the setting of the rotating door (12).

3. The atmospheric environmental monitoring volatile organic compound monitoring device according to claim 2, characterized in that: The limiting unit (13) includes two limiting rings (131) that are fixedly installed on the surfaces of the main housing (11) and the rotating door (12), respectively. The inner walls of the two limiting rings (131) are slidably fitted with the same lock (132).

4. The volatile organic compound monitoring device for atmospheric environmental monitoring according to claim 1, characterized in that: The telescopic tube (2) includes a main tube body (21), and a secondary tube body (22) is threaded onto the surface of the main tube body (21).

5. The volatile organic compound monitoring device for atmospheric environmental monitoring according to claim 2, characterized in that: The mounting unit (3) includes two mounting rails (31), each of which has two mounting bolts (32) threaded onto its surface. The main housing (11) has mounting edges (33) on both sides, and the surfaces of the two mounting edges (33) are slidably inserted into the inner walls of the two mounting rails (31). The unit also includes a force-applying unit (34), which is used to apply a force to the two mounting edges (33) pointing toward the mounting rails (31).

6. The volatile organic compound monitoring device for atmospheric environmental monitoring according to claim 5, characterized in that: The force application unit (34) includes two pressure plates (341) that are slidably inserted into the inner walls of the two mounting rails (31). The surfaces of the two pressure plates (341) are rotatably inserted with threaded rods (342), and the surfaces of the two threaded rods (342) are threadedly inserted into the surfaces of the two mounting rails (31).

7. The volatile organic compound monitoring device for atmospheric environmental monitoring according to claim 2, characterized in that: The connecting unit (4) includes a flange (41) fixedly installed at one end of the main body (21). One end of the flange (41) is slidably inserted into the top of the main housing (11) and has several connecting bolts (42) threaded onto its surface. The surfaces of the several connecting bolts (42) are all threaded onto the top of the main housing (11).

8. A volatile organic compound monitoring device for atmospheric environmental monitoring according to claim 2, characterized in that: The air intake monitoring unit (5) includes an organic matter detector (51), a controller (52), and a 4G transmission module (53) fixedly installed on the inner wall of the main housing (11). The organic matter detector (51) and the 4G transmission module (53) are both electrically connected to the controller (52). A fan (54) is fixedly inserted through the surface of the rotating door (12). An air intake pump (55) is fixedly installed on the inner wall of the main housing (11). The fan (54) and the air intake pump (55) are both electrically connected to the controller (52).

Citation Information

Patent Citations

  • A volatile organic compound monitoring device for atmospheric environment monitoring

    CN115356445B