Air sampling device for air pollution monitoring

Abstract

The utility model discloses an air sampling device for air pollution monitoring, which comprises a base, a support rod and a sampling device, and the support rod is vertically mounted at the center of the end face of the base; the sampling device comprises a main control box, a connecting pipe and a collecting head, the main control box is installed on the supporting rod, the collecting head is installed on the main control box, an air extracting pump, a collecting box and a processor are arranged in the main control box, a plurality of air inlet cavities are evenly formed in the collecting head in the circumferential direction, and the air inlet cavities are communicated with the connecting pipe. The air inlet cavity is connected with the air extracting pump through the connecting pipe, the air extracting pump is connected with the collecting box, and the processor is suitable for controlling the air extracting pump to extract an air sample into the collecting box. The device can effectively collect polluted air, does not need manual intervention, and is high in efficiency and accuracy.

Description

TECHNICAL FIELD

[0001] The utility model relates to an air sampling device for air pollution monitoring belongs to air sampling monitoring technical field. BACKGROUND

[0002] Air pollution has become a global environmental problem, posing a serious threat to public health and environmental quality. In order to effectively monitor and control air pollution, it is necessary to use precise air sampling devices to collect pollutant samples in the air. After searching, the patent with the publication number CN220454973U discloses a pollutant sampling device for air pollution control. In this patent, the unmanned aerial vehicle carries the device to fly to the collection area, and the polluted air is sucked into the pollutant storage cavity through the pollutant air inlet. At this time, the electric telescopic rod is in the retracted state, so that the insertion rod is retracted into the pollutant air inlet to facilitate air entry. Under the limitation of the limiting rod, the connecting ring on the circular block tightly fits the groove to prevent air leakage. At the same time, the sealing ring ensures that the connecting ring tightly fits the side wall of the pollutant collection tank, further preventing leakage. After collection is completed, it returns to the ground, the polluted air sample in the pollutant storage cavity is extracted through the connecting pipe, and the plugging element is used to prevent leakage. The collection process of this patent is complex, and after collecting the pollutant sample, the sample needs to be extracted manually and the plugging element is used to prevent leakage, which is slow and prone to errors and cannot work in bad weather. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an air sampling device for air pollution monitoring, which can effectively collect polluted air without manual intervention, has high efficiency and high accuracy.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: an air sampling device for air pollution monitoring, comprising:

[0005] a base;

[0006] a support rod, which is vertically installed at the center of the end face of the base;

[0007] a sampling device, which comprises a main control box, a connecting pipe and a collection head, the main control box is installed on the support rod, the collection head is installed on the main control box, the main control box is provided with an air suction pump, a collection tank and a processor, the collection head is uniformly provided with a plurality of air inlets in the circumferential direction, the air inlets are connected with the air suction pump through the connecting pipe, the air suction pump is connected with the collection tank, and the processor is adapted to control the air suction pump to extract air samples into the collection tank.

[0008] Further, in order to filter out the impurities that cannot be detected, facilitate the subsequent analysis and processing. The connecting pipe is also provided with a filter screen suitable for filtering the air sample.

[0009] Further, the air sampling device for air pollution monitoring also comprises a wind cup installed on the main control box, the wind cup is connected with the processor, and the wind cup is suitable for monitoring the wind speed of the air and transmitting data to the processor.

[0010] Further, in order to expel birds and prevent birds from affecting the device, a mirror is also installed on the wind cup.

[0011] Further, the air sampling device for air pollution monitoring also comprises a wind direction sensor installed on the main control box, the wind direction sensor is connected with the processor, and the wind direction sensor is suitable for monitoring the wind direction of the air and transmitting data to the processor.

[0012] Further, the collecting box is also provided with a pollution detection sensor, and the pollution detection sensor is suitable for detecting the pollution information of the air sample in the collecting box and transmitting data to the processor.

[0013] Further, the main control box is also provided with a power module, and the power module is suitable for providing power for the processor and the air pump.

[0014] Further, in order to enable the operator to intuitively observe the current state of the air, the main control box is also provided with a display module, and the display module is suitable for displaying the wind speed, wind direction and pollution information.

[0015] Further, in order to maintain the continuous operation of the device, the air sampling device for unmanned monitoring of air also comprises a solar panel installed on the support rod, the solar panel is connected with the power module, and the solar panel is suitable for providing power for the power module.

[0016] After adopting the above technical scheme, the air sampling device for air pollution monitoring has the following beneficial effects:

[0017] 1、In the utility model, the air sampling device for air pollution monitoring is firmly installed on the ground through the base and the support rod, and the main control box is internally integrated with an air pump, a collecting box, a processor, a power module and other components.

[0018] When the device starts to work, the processor controls the air pump to draw the surrounding air sample into the collecting box through the connecting pipe and the collection head. In the drawing process, the filter screen in the connecting pipe can filter out some impurities (such as feathers, willow catkins, etc.) that cannot be detected, and the pollution detection sensor in the collecting box detects the pollution degree of the air sample and transmits data to the processor.

[0019] Meanwhile, the wind cup installed on the main control box can monitor the air speed, and the wind direction sensor can monitor the wind direction, and can also transmit the data to the processor in real time.

[0020] 2、In the utility model, the processor displays the wind speed, the wind direction and the pollution information through the display module for intuitive observation of personnel. The solar panel installed on the supporting rod can continuously charge the power module and store electricity, thereby ensuring continuous operation of the system, and in addition, the reflector on the wind cup can effectively expel birds during operation, thereby avoiding affecting the operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the air sampling device for air pollution detection of the utility model;

[0022] Figure 2 It is a front view of the air sampling device for air pollution detection of the utility model;

[0023] Figure 3 It is a structural schematic view of the main control box of the utility model;

[0024] Figure 4 It is a control principle diagram of the air sampling device for air pollution detection of the utility model. DETAILED DESCRIPTION

[0025] In order to make the content of the utility model more easily and clearly understood, the utility model is further described in detail below according to specific embodiments and in combination with the drawings.

[0026] As shown in Figures 1-4 , an air sampling device for air pollution monitoring, comprising:

[0027] a base 1;

[0028] a supporting rod 2, which is vertically installed at the center of the end face of the base 1;

[0029] a sampling device, which comprises a main control box 31, a connecting pipe 32 and a collection head 33, the main control box 31 is installed on the supporting rod 2, the collection head 33 is installed on the main control box 31, the main control box 31 is provided with an air suction pump 311, a collection box 312 and a processor 313, the collection head 33 is uniformly provided with a plurality of air inlet cavities 331 in the circumferential direction, the air inlet cavities 331 are connected with the air suction pump 311 through the connecting pipe 32, the air suction pump is connected with the collection box 312, and the processor 313 is suitable for controlling the air suction pump 311 to suck the air sample into the collection box 312.

[0030] In the embodiment, the processor 313 is an MCU, the processor 313 controls the air suction pump 311 to suck the ambient environment air through the air inlet cavities 331 and the connecting pipe 32, and collects the air sample into the collection box 312.

[0031] Specifically, as shown in Figure 3 the connecting pipe 32 is also provided with a filter screen 321 adapted to filter the air sample, and in this embodiment, the filter screen 321 is adapted to block large debris such as leaves, feathers and willow catkins brought in when the air sample is extracted.

[0032] Specifically, as shown in Figures 1-2 the air sampling device for air pollution monitoring further comprises an anemometer 4 mounted on the main control box 31, the anemometer 4 is connected with the processor 313, and the anemometer 4 is adapted to monitor the wind speed of the air and transmit the data to the processor 313. The anemometer 4 is a prior art, which generally consists of a horizontal shaft and a plurality of symmetrically distributed semicircular cup leaves. When the air flows, the cup leaves will be blown by the wind and rotate around the shaft, and the rotation speed is proportional to the wind speed. The anemometer 4 is provided with an encoder inside, which can accurately measure the rotation speed of the cup leaves and convert it into wind speed data.

[0033] Specifically, the anemometer 4 is also provided with a reflector.

[0034] Specifically, as shown in Figures 1-2 the air sampling device for air pollution monitoring further comprises a wind direction sensor 5 mounted on the main control box 31, the wind direction sensor 5 is connected with the processor 313, and the wind direction sensor 5 is adapted to monitor the wind direction of the air and transmit the data to the processor 313. In this embodiment, the wind direction sensor 5 mainly monitors the wind direction of the surrounding environment and transmits the obtained wind direction data to the processor 313.

[0035] Specifically, as shown in Figure 3 the collecting box 312 is also provided with a pollution detection sensor 312A, which is adapted to detect the pollution degree of the air sample in the collecting box 312 and transmit the data to the processor 313. The pollution detection sensor 312A is a gas sensitive sensor, which can detect the concentration of pollutants in the air.

[0036] Specifically, as shown in Figure 4 the main control box 31 is also provided with a power module 314, which is adapted to provide power for the processor 313 and the air pump 311.

[0037] Specifically, as shown in Figure 4 the main control box 31 is also provided with a display module 315, which is adapted to display the wind speed, wind direction and pollution information.

[0038] Specifically, as shown in Figures 1-4 it also includes a solar panel 6 mounted on the support rod 2, the solar panel 6 is connected with the power module 314, and the solar panel 6 is adapted to provide power for the power module 314.

[0039] In the embodiment, the air sampling device for air pollution monitoring is firmly installed on the ground through the base 1 and the supporting rod 2, and the main control box 31 is internally integrated with core components such as the air suction pump 311, the collection box 312, the processor 313, the power module 314 and the like;

[0040] When the device starts to work, the air suction pump 311 extracts the surrounding air sample into the collection box 312 through the connecting pipe 32 and the collection head 33 according to the control of the processor 313, in the extraction process, the filter screen in the connecting pipe 32 can filter out some impurities (such as feathers, willow catkins and the like) that cannot be detected, the pollution detection sensor 312A in the collection box 312 detects the pollution information of the air sample and transmits the data to the processor 315;

[0041] At the same time, the wind cup 4 installed on the main control box 31 can monitor the air speed, and the wind direction sensor 5 can monitor the wind direction, and can also transmit the data to the processor 315 in real time;

[0042] The processor 315 displays the wind speed, wind direction and pollution information on the display module 315 of the main control box 31 for intuitive observation by personnel, the solar panel 6 installed on the supporting rod 2 can continuously charge the power module 314, so as to ensure the continuous operation of the system, in addition, the reflector on the wind cup 4 can also effectively expel birds during operation, so as to avoid affecting the operation of the device.

[0043] The above-described specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above-described specific embodiments are only specific embodiments of the utility model and are not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An air sampling device for air pollution monitoring, characterized in that: include: Base (1); A support rod (2), the support rod (2) being vertically mounted at the center of the end surface of the base (1); A sampling device, comprising a main control box (31), a connecting pipe (32) and a collecting head (33), wherein the main control box (31) is mounted on the support rod (2), and the collecting head (33) is mounted on the main control box (31), wherein an air pump (311), a collecting box (312) and a processor (313) are provided in the main control box (31), wherein the collecting head (33) is uniformly provided with a plurality of air inlet cavities (331) in a circumferential direction, wherein the air inlet cavities (331) are connected to the air pump (311) via the connecting pipe (32), wherein the air pump (311) is connected to the collecting box (312), and wherein the processor (313) is suitable for controlling the air pump (311) to extract air samples into the collecting box (312).

2. The air sampling device for air pollution monitoring according to claim 1, characterized in that: The connecting tube (32) is also provided with a filter screen (321) suitable for filtering air samples.

3. The air sampling device for air pollution monitoring according to claim 1, characterized in that : It also includes a wind cup (4), which is installed on the main control box (31), connected to the processor (313), and suitable for monitoring the wind speed of the air and transmitting data to the processor (313).

4. The air sampling device for air pollution monitoring according to claim 3, characterized in that: A reflector is also installed on the wind cup (4).

5. The air sampling device for air pollution monitoring according to claim 1, characterized in that: The system further comprises a wind direction sensor (5), which is mounted on the main control box (31), is connected to the processor (313), and is suitable for monitoring the wind direction of the air and transmitting data to the processor (313).

6. The air sampling device for air pollution monitoring according to claim 1, characterized in that: A pollution detection sensor (312A) is also provided in the collection box (312), and the pollution detection sensor (312A) is suitable for detecting pollution information of the air sample in the collection box (312) and transmitting the data to the processor (313).

7. The air sampling device for air pollution monitoring according to claim 1, characterized in that: The main control box (31) is further provided with a power module (314), and the power module (314) is suitable for providing power to the processor (313) and the air pump (311).

8. The air sampling device for air pollution monitoring according to claim 1, characterized in that: The main control box (31) is further provided with a display module (315), and the display module (315) is suitable for displaying wind speed, wind direction and pollution information.

9. The air sampling device for air pollution monitoring according to claim 7, characterized in that: It also includes a solar panel (6), which is installed on the support rod (2), connected to the power module (314), and suitable for providing power to the power module (314).

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