Carbon neutralization air detection sample collection device

Abstract

The utility model discloses a carbon neutralized air detection sample collecting device which comprises a sampling box and a cover body, a plurality of walking wheels are installed at the bottom of the sampling box, a sample collecting opening is formed in the bottom of the sampling box, an air suction assembly is installed in the sample collecting opening, an air suction pump is installed on the inner side wall of the sample collecting opening, and the cover body is arranged on the cover body. A connecting pipe extending to the outer side of the sampling box is mounted at the air outlet end of the air extracting pump, and an air conveying pipe communicated with the connecting pipe is connected to the end part of the connecting pipe. The methane sampling device is reasonable in structural design, the sampling bottle can be stably connected, air at the position needing to be detected can be sucked into the sample collecting opening, sampling work can be conveniently carried out, methane gas can be collected into the sampling bottle to be sampled by opening the control valve on the sampling bottle after original gas in the gas collecting opening and the gas conveying pipe is exhausted through the exhaust valve, and the sampling efficiency is improved. The control valve is closed after sampling is completed, methane gas leakage can be avoided, and the accuracy of a detection result is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of methane sampling, and in particular to a carbon neutral air detection sample collection device. Background Art

[0002] At present, when sampling methane gas, some original gas usually remains in the sampling tube. During the sampling process, the original gas and methane gas enter the sampling bottle together, which will affect the concentration value of methane and thus affect the accuracy of the test results. For this reason, we have designed a carbon-neutral air detection sample collection device to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to solve the problems existing in the prior art, and a carbon neutral air detection sample collection device is proposed, which can stably connect the sampling bottle and can draw the air at the location where detection is required into the sample collecting port, so as to facilitate the sampling work. After the original gas in the gas collecting port and the gas pipeline is discharged through the exhaust valve, the control valve on the sampling bottle is opened, and the methane gas can be collected into the sampling bottle for sampling. After the sampling is completed, the control valve is closed, so that the leakage of methane gas can be avoided and the accuracy of the detection result can be guaranteed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A carbon neutral air detection sample collection device comprises a sampling box and a cover body, a plurality of walking wheels are installed at the bottom of the sampling box, a sample collecting port is opened at the bottom of the sampling box, a suction assembly is installed in the sample collecting port, an air pump is installed on the inner side wall of the sample collecting port, a connecting pipe extending to the outside of the sampling box is installed at the air outlet end of the air pump, an end of the connecting pipe is connected to an air supply pipe interconnected with the connecting pipe, an exhaust valve is installed at one end of the air supply pipe, a plurality of sampling tubes interconnected with the interior are installed at equal intervals on the side wall of the air supply pipe, the ends of the plurality of sampling tubes are threadedly connected to sampling bottles, a control valve is installed on the sampling bottle, and a support plate for supporting the sampling bottle is fixedly connected to the side wall of the sampling box.

[0006] Preferably, a plurality of mounting plates are fixedly connected to the bottom of the sampling box, and the running wheels are installed together between two opposite mounting plates.

[0007] Preferably, the air suction assembly comprises a transverse plate fixedly connected between the inner side walls at both ends of the sample collecting port, a driving motor is installed at the bottom of the transverse plate, and a suction fan blade is installed at the end of the output shaft of the driving motor.

[0008] Preferably, the end of the sampling tube is provided with an external thread, the end of the sampling bottle is provided with an internal thread, and the sampling bottle is threadably connected to the sampling tube.

[0009] Preferably, a plurality of groups of limit members consisting of two clamping plates are fixedly connected to the upper end of the support plate, and the sampling bottle is located between the two clamping plates in the same group.

[0010] Preferably, the cover is mounted on the sampling box by screws.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. In this sampling device based on carbon-neutral methane, the support plate can support the sampling bottle, and the clamping plate can clamp and fix the sampling bottle to ensure the stability of the connection between the sampling bottle and the sampling tube, and avoid the loose connection of the sampling bottle due to shaking under the impact of airflow during the sampling process.

[0013] 2. This sampling device based on carbon neutral methane uses a driving motor to drive the suction fan blades to rotate, which can draw the air at the location where detection is required into the sample collection port. After the original gas in the gas collection port and the gas pipeline is discharged through the exhaust valve, the control valve on the sampling bottle is opened to collect the methane gas into the sampling bottle for sampling. After sampling, the control valve is closed to avoid gas leakage. The methane gas in multiple sampling bottles can be compared to ensure the accuracy of the test results, and the changes in methane can also be detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a top-down perspective structural diagram of a carbon neutral air detection sample collection device proposed by the utility model;

[0015] Figure 2 for Figure 1 A magnified view of the structure at center;

[0016] Figure 3 This is a schematic diagram of the upward-looking three-dimensional structure of a carbon neutral air detection sample collection device proposed by the utility model;

[0017] Figure 4 This is a schematic diagram of the upward plane structure of a carbon neutral air detection sample collection device proposed in the utility model.

[0018] In the figure: 1. Sampling box; 2. Sample collection port; 3. Horizontal plate; 4. Driving motor; 5. Suction fan blades; 6. Cover; 7. Screws; 8. Vacuum pump; 9. Connecting pipe; 10. Air supply pipe; 11. Exhaust valve; 12. Sampling tube; 13. Sampling bottle; 14. Control valve; 15. Support plate; 16. Clamping plate; 17. Mounting plate; 18. Traveling wheels. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 4 A carbon neutral air detection sample collection device includes a sampling box 1 and a cover 6. The cover 6 is installed on the sampling box 1 by screws 7, which is convenient for removing the cover 6 to inspect the internal parts of the sampling box 1. A plurality of running wheels 18 are installed at the bottom of the sampling box 1. A plurality of mounting plates 17 are fixedly connected to the bottom of the sampling box 1. The running wheels 18 are installed between two opposite mounting plates 17. The device can be driven to a location where sampling is required by rotating the running wheels 18.

[0021] A sample collecting port 2 is provided at the bottom of the sampling box 1, and an air suction component is installed in the sample collecting port 2. The air suction component includes a horizontal plate 3 fixedly connected between the inner side walls at both ends of the sample collecting port 2, a driving motor 4 is installed at the bottom of the horizontal plate 3, and an air suction fan blade 5 is installed at the end of the output shaft of the driving motor 4. The driving motor 4 drives the air suction fan blade 5 to rotate, so as to attract external gas into the sample collecting port 2;

[0022] An air pump 8 is installed on the inner wall of the sample collecting port 2, and a connecting pipe 9 extending to the outside of the sampling box 1 is installed on the air outlet end of the air pump 8. The end of the connecting pipe 9 is connected to an air supply pipe 10 interconnected with it, and an exhaust valve 11 is installed at one end of the air supply pipe 10. A plurality of sampling tubes 12 interconnected with the inside thereof are installed at equal intervals on the side wall of the air supply pipe 10, and the ends of the plurality of sampling tubes 12 are all threadedly connected with sampling bottles 13. The ends of the sampling tubes 12 are provided with external threads, and the ends of the sampling bottles 13 are provided with internal threads. The sampling bottles 13 are threadedly connected with the sampling tubes 12, so that the sampling bottles 13 can be connected to or removed from the sampling tubes 12. A control valve 14 is installed on the sampling bottle 13. When sampling is required, the control valve 14 is opened to collect methane gas in the sampling bottle 13. After sampling is completed, the control valve 14 is closed to avoid leakage of methane gas.

[0023] The side wall of the sampling box 1 is fixedly connected with a support plate 15 for supporting the sampling bottle 13. The upper end of the support plate 15 is fixedly connected with multiple groups of limiting members consisting of two clamping plates 16. The sampling bottle 13 is located between the two clamping plates 16 of the same group. The support plate 15 can prevent the sampling bottle 13 from falling, and the clamping plate 16 can play a fixed limiting role on the sampling bottle 13.

[0024] The functional principle of the utility model can be explained through the following operation modes:

[0025] In the utility model, when the sampling device based on carbon neutralization and methane is used, the sampling bottle 13 after vacuum treatment is screwed onto the sampling tube 12, and the sampling bottle 13 is clamped and fixed by the clamping plate 16, and the device is moved to the top of the sampling location through the walking wheel 18, the exhaust valve 11 is opened, the driving motor 4 is started to drive the suction fan blade 5 to rotate, and the air at the location to be detected is sucked into the sample collection port 2, and the suction pump 8 is started to discharge the original air in the sample collection port 2 and the gas delivery pipe 10 through the exhaust valve 11, and the exhaust valve 11 is closed. , open the control valve 14 on the sampling bottle 13, collect the methane gas into the sampling bottle 13 for sampling, and close the control valve 14 after the sampling is completed to avoid gas leakage in the sampling bottle 13. Collecting the methane gas into multiple sampling bottles 13 can be used for comparison to ensure the accuracy of subsequent test results. Methane gas can also be collected into multiple sampling bottles 13 at different times, which is convenient for detecting changes in methane gas at different times. The sampling bottle 13 can be removed for testing by twisting it to separate it from the sampling tube 12.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A carbon neutral air detection sample collection device, comprising a sampling box (1) and a cover (6), characterized in that: A plurality of running wheels (18) are installed at the bottom of the sampling box (1), a sample collecting port (2) is provided at the bottom of the sampling box (1), a suction assembly is installed in the sample collecting port (2), an air pump (8) is installed on the inner wall of the sample collecting port (2), a connecting pipe (9) extending to the outside of the sampling box (1) is installed at the air outlet end of the air pump (8), an end of the connecting pipe (9) is connected to an air supply pipe (10) interconnected with the connecting pipe (9), an exhaust valve (11) is installed at one end of the air supply pipe (10), a plurality of sampling pipes (12) interconnected with the inside of the connecting pipe (10) are installed at equal intervals on the side wall of the air supply pipe (10), the ends of the plurality of sampling pipes (12) are all threadedly connected to sampling bottles (13), a control valve (14) is installed on the sampling bottle (13), and a support plate (15) for supporting the sampling bottle (13) is fixedly connected to the side wall of the sampling box (1).

2. A carbon neutral air detection sample collection device according to claim 1, characterized in that: A plurality of mounting plates (17) are fixedly connected to the bottom of the sampling box (1), and the running wheels (18) are mounted between two opposite mounting plates (17).

3. A carbon neutral air detection sample collection device according to claim 1, characterized in that: The air suction assembly comprises a horizontal plate (3) fixedly connected between the inner side walls at both ends of the sample collecting port (2), a driving motor (4) is installed at the bottom of the horizontal plate (3), and an air suction fan blade (5) is installed at the end of the output shaft of the driving motor (4).

4. A carbon neutral air detection sample collection device according to claim 1, characterized in that: The end of the sampling tube (12) is provided with an external thread, the end of the sampling bottle (13) is provided with an internal thread, and the sampling bottle (13) is threadedly connected to the sampling tube (12).

5. A carbon neutral air detection sample collection device according to claim 1, characterized in that: The upper end of the support plate (15) is fixedly connected to a plurality of groups of position limiting members consisting of two clamping plates (16), and the sampling bottle (13) is located between the two clamping plates (16) of the same group.

6. A carbon neutral air detection sample collection device according to claim 1, characterized in that: The cover (6) is mounted on the sampling box (1) via screws (7).

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