A sampling device for monitoring industrial exhaust gases
By designing an industrial emission gas monitoring device with multiple sampling capabilities, the problems of excessive staff workload and inconvenience caused by single sampling have been solved, achieving efficient and accurate gas monitoring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING MAIMMONS SEMICONDUCTOR TECHNOLOGY CO LTD
- Filing Date
- 2025-04-25
- Publication Date
- 2026-05-29
AI Technical Summary
Existing industrial emission gas sampling devices can only collect samples once, which requires staff to take samples multiple times, increasing their workload and affecting work progress. Furthermore, a single sample may not accurately reflect changes in gas composition.
A sampling device comprising an extraction cylinder, a guide sleeve, a squeezing rod, an electric telescopic rod, and an electromagnet was designed. This device allows for multiple gas collections and enables multiple gas storages through the cooperation of the electric telescopic rod and the electromagnet, simplifying the operation process.
It enables multiple gas sampling, reduces random errors, improves the accuracy and reliability of monitoring results, reduces the burden on staff, and has a compact structure that makes it easy to carry.
Smart Images

Figure CN224303384U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of gas sampling technology, specifically relating to a sampling device for monitoring industrial emission gases. Background Technology
[0002] Industrial emission gas monitoring refers to the quantitative or qualitative analysis of pollutants in waste gas generated during industrial processes to ensure that emissions comply with environmental regulations. Monitoring instruments are generally used when detecting industrial emission gases. However, before monitoring with the monitoring instrument, sampling devices are usually required to sample the industrial emission gases. Therefore, sampling devices are used. Although some existing sampling devices can achieve the purpose of gas sampling, they often have certain shortcomings in practical use, so they need to be improved.
[0003] Chinese patent CN217132693U discloses a gas sampler belonging to the field of gas collection technology. This gas sampler includes a gas sampler cylinder with an intake port and a trigger mechanism installed at both ends. An intake piston is fitted inside the cylinder. The cylinder contains the collected gas, the intake port allows air to enter, and the trigger mechanism automatically draws in air. A piston handle drives the intake piston head upwards via the piston rod, allowing gas to enter the inner wall of the cylinder through the central intake hole, thus completing gas sampling. A sealing plate can then be pressed into a sealing plate groove to ensure relative airtightness within the cylinder. A spring is used for gas sampling, which, in conjunction with the upward ejection of the intake piston, results in fast sampling. This patent uses a trigger mechanism for gas sampling, allowing for convenient and quick one-handed operation.
[0004] However, although the above-mentioned technical solution can achieve the purpose of sampling industrial emissions, it can only collect the gas once during the actual sampling. In order to ensure the accuracy of gas monitoring, staff need to take multiple samples for subsequent centralized monitoring. If the staff uses this device to sample the gas only once, they will have to return to the sampling point to collect the gas again. Carrying multiple sampling devices will increase the weight and make it inconvenient for staff to handle and carry, thus affecting the progress of gas sampling work. Therefore, it has certain limitations in use. Utility Model Content
[0005] The purpose of this invention is to provide a sampling device for monitoring industrial emissions gases, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A sampling device for monitoring industrial emission gases includes: an extraction cylinder; a guide sleeve fixedly connected to the middle of the top of the extraction cylinder; an adjustment cavity fixedly connected to the back of the extraction cylinder; a squeezing rod slidingly passing through the inside of the guide sleeve; a squeezing block fixedly connected to the top of the squeezing rod; a compression spring fixedly connected to the inner bottom wall of the guide sleeve, with the top of the compression spring fixedly connected to the bottom of the squeezing block; an electric telescopic rod fixedly connected to the inner bottom wall of the adjustment cavity; an electromagnet fixedly connected to the output end of the electric telescopic rod; a push rod connected to the top of the electromagnet, with the top of the push rod fixedly connected to the top of the squeezing rod; and three storage cylinders fixedly connected to one side of the extraction cylinder, with control valves provided on the surface of each storage cylinder.
[0008] Preferably, a piston is fixedly connected to the bottom end of the extrusion rod, and a blocking block slides through the inside of the extraction cylinder.
[0009] Preferably, a limiting block is fixedly connected to one side of the surface of the blocking block, and a sliding groove is provided inside the extraction cylinder.
[0010] Preferably, the inner wall of the sliding groove is provided with a limiting groove, and the limiting block slides inside the limiting groove.
[0011] Preferably, a handle is fixedly connected to the other side of the extraction cylinder, and a control panel is fixedly connected to the surface of the handle. The control panel is electrically connected to the control valve, the electric telescopic rod, and the electromagnet.
[0012] Preferably, the storage cylinder has an air outlet on one side, and a sealing cap is threaded onto the surface of the air outlet.
[0013] Preferably, a protective shell is fixedly connected to the bottom end of one side of the adjustment cavity, and a storage battery is fixedly connected inside the protective shell.
[0014] Preferably, the top of the adjustment cavity is provided with a guide hole, and the surface of the push rod slides through the interior of the guide hole.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] (1) Industrial emissions can be collected by this device, and multiple collections can be performed. Since the composition and concentration of industrial emissions may change with time, production conditions and other factors, a single collection may not accurately reflect the actual situation. Multiple collections can obtain more data points, reduce random errors and improve the accuracy of monitoring results. Multiple collections also help improve the reliability of monitoring results. By comparing the data collected multiple times, abnormal values or potential problems can be found, and timely measures can be taken to correct or improve them. The entire device only requires one person to operate it with one hand, which is simple and convenient. At the same time, the entire device can collect gas from multiple locations without carrying too much equipment, reducing the workload of the staff.
[0017] (2) The blocking block blocks the piston to prevent the piston from rising too much space, which facilitates the subsequent quick extraction work. At the same time, when the blocking block is not in use, it can be limited by the limiting block to prevent the whole device from falling off during movement. Attached Figure Description
[0018] Figure 1 This is a perspective view of the present utility model;
[0019] Figure 2 This is a cross-sectional view of the piston of this utility model;
[0020] In the diagram: 1. Extraction cylinder; 2. Guide sleeve; 3. Adjustment chamber; 4. Extrusion rod; 5. Extrusion block; 6. Compression spring; 7. Electric telescopic rod; 8. Electromagnet; 9. Push rod; 10. Piston; 11. Storage cylinder; 12. Blocking block; 13. Limiting block; 14. Sliding groove; 15. Limiting groove; 16. Handle; 17. Sealing cover; 18. Battery. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example
[0022] Please see Figures 1 to 2As shown, a sampling device for monitoring industrial emission gases includes an extraction cylinder 1. A guide sleeve 2 is fixedly connected to the middle of the top of the extraction cylinder 1. An adjustment cavity 3 is fixedly connected to the back of the extraction cylinder 1. A squeezing rod 4 slides through the inside of the guide sleeve 2. A squeezing block 5 is fixedly connected to the top of the surface of the squeezing rod 4. A compression spring 6 is fixedly connected to the inner bottom wall of the guide sleeve 2, and the top of the compression spring 6 is fixedly connected to the bottom of the squeezing block 5. An electric telescopic rod 7 is fixedly connected to the inner bottom wall of the adjustment cavity 3. An electromagnet 8 is fixedly connected to the output end of the electric telescopic rod 7. A push rod 9 is connected to the top of the electromagnet 8, and the top of the push rod 9 is fixedly connected to the top of the squeezing rod 4. Three storage cylinders 11 are fixedly connected to one side of the extraction cylinder 1, and a control valve is provided on the surface of the storage cylinder 11.
[0023] The guide sleeve 2 guides the extrusion rod 4 as it moves up and down. The adjustment cavity 3 fixes the electric telescopic rod 7 to its inner bottom wall. The extrusion block 5 compresses the compression spring 6, giving the extrusion rod 4 a certain compressive force. The electric telescopic rod 7 moves the electromagnet 8 up and down, which in turn drives the push rod 9 to move up and down. When the push rod 9 moves up and down, it pushes the extrusion rod 4 up and down. When the electromagnet 8 is energized, it attracts the push rod 9. When the power is off, they separate. The storage cylinder 11 facilitates the storage of the extracted industrial emissions.
[0024] A piston 10 is fixedly connected to the bottom end of the extrusion rod 4, and a blocking block 12 slides through the inside of the extraction cylinder 1. The piston 10 facilitates the drawing of external gas into the inside of the extraction cylinder 1, and the blocking block 12 facilitates the blocking of the piston 10.
[0025] A limiting block 13 is fixedly connected to one side of the surface of the blocking block 12, and a sliding groove 14 is provided inside the extraction cylinder 1. The setting of the limiting block 13 prevents the blocking block 12 from detaching from the extraction cylinder 1, and the opening of the sliding groove 14 makes the blocking block 12 slide more smoothly.
[0026] A limiting groove 15 is provided on the inner side wall of the sliding groove 14, and the limiting block 13 slides inside the limiting groove 15. The limiting groove 15 is provided so that the blocking block 12 is blocked by the limiting block 13 when it moves left and right, thus preventing it from falling out of the extraction cylinder 1.
[0027] A handle 16 is fixedly connected to the other side of the extraction cylinder 1. A control panel is fixedly connected to the surface of the handle 16, and the control panel is electrically connected to the control valve, the electric telescopic rod 7, and the electromagnet 8. The handle 16 facilitates the operator in moving the extraction cylinder 1 to a suitable position and also facilitates the removal of the entire device when extracting gas.
[0028] A gas outlet is provided on one side of the storage cylinder 11, and a sealing cap 17 is threaded onto the surface of the gas outlet. The gas outlet and the sealing cap 17 facilitate the extraction of gas from inside the storage cylinder 11 for subsequent discharge and monitoring.
[0029] A protective shell is fixedly connected to the bottom of one side of the adjustment cavity 3, and a storage battery 18 is fixedly connected inside the protective shell. The protective shell makes it easy to fix and protect the storage battery 18. The storage battery 18 supplies power to the electric telescopic rod 7 and the electromagnet 8. The power supply by the storage battery 18 is existing technology and will not be described in detail.
[0030] A guide hole is provided at the top of the adjustment cavity 3, and the surface of the push rod 9 slides through the interior of the guide hole. The opening of the guide hole allows the push rod 9 to play a certain guiding role when moving.
[0031] The working principle of this utility model is as follows: When workers need to collect industrial emissions, they move the extraction cylinder 1 to a suitable position using handle 16. Then, the workers activate the electric telescopic rod 7, simultaneously energizing the electromagnet 8. The electric telescopic rod 7 moves the electromagnet 8 downwards, attracting the bottom end of the push rod 9. The electric telescopic rod 7 then lowers the push rod 9, causing the top of the push rod 9 to press down the compression rod 4. This causes the compression block 5 on the surface of the compression rod 4 to compress the compression spring 6. The compression rod 4 continues to descend, causing the piston 10 at its bottom to descend to the bottommost position of the inner wall of the extraction cylinder 1. At this point, the workers open the control valve on the uppermost storage cylinder 11 and de-energize the electromagnet 8. The compression spring 6 and the compression rod 4 stop being compressed, and the compression spring 6 returns to its original position. The compression rod 4 then moves upwards, and the piston 10 extracts the industrial emissions from the corresponding position. The gas then enters the extraction cylinder 1 and gradually flows into the uppermost storage cylinder 11. At this time, the control valves on the lowermost and middle storage cylinders 11 are closed. After the process is complete, the staff will close the control valve and then change the sampling location. The staff will then activate the electric telescopic rod 7, causing it to lower the squeezing rod 4 and piston 10. Simultaneously, the staff will push the upper blocking block 12 into the extraction cylinder 1. At this point, the staff will de-energize the electromagnet 8, opening the control valve on the middle storage cylinder 11. The squeezing rod 4 will then reset, and the piston 10 will move upwards until it is blocked by the upper blocking block 12. Industrial gas will then continuously enter the middle storage cylinder 11. The staff will then close the control valve and change the sampling location again. Using the same operation, the piston 10 will descend, the control valve on the lowest storage cylinder 11 will open, and the lower blocking block 12 will be pushed into the extraction cylinder 1. When the piston 10 rises, the extracted gas will enter the lowest storage cylinder 11. At this point, the three storage cylinders 11 will store industrial emissions from different sampling locations, facilitating subsequent monitoring and improving the accuracy of gas monitoring.
[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A sampling device for monitoring industrial emission gases, characterized in that, include: The extraction cylinder (1) has a guide sleeve (2) fixedly connected to the middle of its top. An adjustment cavity (3) is fixedly connected to the back of the extraction cylinder (1). A squeezing rod (4) slides through the inside of the guide sleeve (2). A squeezing block (5) is fixedly connected to the top of the surface of the squeezing rod (4). A compression spring (6) is fixedly connected to the inner bottom wall of the guide sleeve (2), and the top of the compression spring (6) is fixedly connected to the bottom of the squeezing block (5). An electric telescopic rod (7) is fixedly connected to the inner bottom wall of the adjustment cavity (3). An electromagnet (8) is fixedly connected to the output end of the electric telescopic rod (7). A push rod (9) is connected to the top of the electromagnet (8), and the top of the push rod (9) is fixedly connected to the top of the squeezing rod (4). Three storage cylinders (11) are fixedly connected to one side of the extraction cylinder (1). A control valve is provided on the surface of the storage cylinder (11).
2. The sampling device for monitoring industrial emission gases according to claim 1, characterized in that: The bottom end of the extrusion rod (4) is fixedly connected to a piston (10), and the inside of the extraction cylinder (1) is slidably connected to a blocking block (12).
3. The sampling device for monitoring industrial emission gases according to claim 2, characterized in that: A limiting block (13) is fixedly connected to one side of the surface of the blocking block (12), and a sliding groove (14) is provided inside the extraction cylinder (1).
4. The sampling device for monitoring industrial emission gases according to claim 3, characterized in that: The inner wall of the sliding groove (14) is provided with a limiting groove (15), and the limiting block (13) slides inside the limiting groove (15).
5. The sampling device for monitoring industrial emission gases according to claim 1, characterized in that: A handle (16) is fixedly connected to the other side of the extraction cylinder (1). A control panel is fixedly connected to the surface of the handle (16), and the control panel is electrically connected to the control valve, the electric telescopic rod (7) and the electromagnet (8).
6. The sampling device for monitoring industrial emission gases according to claim 1, characterized in that: The storage cylinder (11) has an air outlet on one side, and a sealing cap (17) is threaded onto the surface of the air outlet.
7. The sampling device for monitoring industrial emission gases according to claim 1, characterized in that: A protective shell is fixedly connected to the bottom of one side of the regulating cavity (3), and a storage battery (18) is fixedly connected inside the protective shell.
8. The sampling device for monitoring industrial emission gases according to claim 1, characterized in that: The top of the adjustment cavity (3) is provided with a guide hole, and the surface of the push rod (9) slides through the inside of the guide hole.