Gas analyzer with filtering structure

By using a simplified installation structure and connecting housing design with an activated carbon adsorption layer in the gas analyzer, the problem of difficult filter replacement is solved, achieving efficient gas analysis and portability.

CN224152149UActive Publication Date: 2026-04-21HEFEI JIANKUN CHEM IND CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEFEI JIANKUN CHEM IND CO LTD
Filing Date
2025-03-18
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Replacing the filter in existing gas analyzers requires disassembling many connecting parts, which affects analysis efficiency.

Method used

The activated carbon adsorption layer is inserted through the gap between the upper and lower fixed frames and fixed by fixing bolts and limiting vertical plates, simplifying the disassembly process; the whole device is connected by a connecting shell, making it easy to carry and extract gas.

Benefits of technology

It simplifies the filter replacement process, improves the efficiency and portability of gas analysis, and enhances human-computer interaction.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224152149U_ABST
    Figure CN224152149U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of gas analyzers, and discloses a gas analyzer with a filtering structure. An upper cover is arranged on the upper surface of the gas storage tank, a micro driving motor is fixedly mounted on the upper surface of the upper cover, a rotating shaft is fixedly mounted on one side of the micro driving motor, an upper fixing frame is welded to the upper portion of the surface of one side of the rotating shaft, a through hole is formed in the surface of the upper fixing frame, and a fixing bolt is movably inserted into the surface of the through hole. A limiting vertical plate is welded to the tail end of the fixing bolt, a lower fixing frame is arranged at the tail end of the limiting vertical plate, a limiting groove is formed in the surface of the lower fixing frame, and an activated carbon adsorption layer is arranged on the upper surface of the lower fixing frame. When the device is used, the activated carbon adsorption layer is inserted into the gap between the upper fixing frame and the lower fixing frame, the fixing bolt is screwed down after the position of the activated carbon adsorption layer is determined, the limiting vertical plate can limit the activated carbon adsorption layer, and it is guaranteed that the activated carbon adsorption layer cannot fall off in the rotating process of the rotating shaft.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This application belongs to the technical field of gas analyzers, specifically a gas analyzer with a filtration structure. Background Technology

[0002] The gas analyzer is an important device responsible for real-time detection of the composition of circulating gas inside the dry quenching furnace. During gas analysis sampling, the gas needs to pass through the probe, high-precision filter, solenoid valve, condenser, filter, and air pump in sequence before reaching the analyzer.

[0003] For example, application CN214473141U discloses a gas analyzer with a filtering device, which relates to the field of gas analyzer technology. It includes an analysis control box, an air outlet fixedly connected to one side of the analysis control box, a display fixedly connected to the front of the analysis control box, a keyboard provided at the bottom of the display, a housing fixedly connected to the other side of the analysis control box, a handle fixedly connected to one side of the housing, a fixing sleeve provided inside the housing, a sealing ring fixedly connected to the top of the fixing sleeve, and a through hole opened in the middle of the baffle, which is located at the top middle of the housing.

[0004] However, the gas analyzer with a filter device in the previous application has a complicated filter device replacement process, which requires disassembling many connecting parts and affects the efficiency of gas analysis. Now, a gas analyzer with a filter structure is provided that allows for simpler disassembly of the filter element inside the filter device. Utility Model Content

[0005] The purpose of this application is to provide a gas analyzer with a filter structure to solve the problem that replacing the filter in the gas analyzer with the filter device mentioned above is troublesome, and that replacing it requires disassembling many connecting parts, which affects the efficiency of gas analysis.

[0006] The technical solution adopted in this application is as follows: A gas analyzer with a filtration structure, wherein the upper surface of the gas storage tank is provided with a top cover, a micro drive motor is fixedly installed on the upper surface of the top cover, a rotating shaft is fixedly installed on one side of the micro drive motor, an upper fixing frame is welded to the upper part of one side surface of the rotating shaft, a through hole is opened on the surface of the upper fixing frame, a fixing bolt is movably inserted into the surface of the through hole, a limit vertical plate is welded to the end of the fixing bolt, a lower fixing frame is provided at the end of the limit vertical plate, a limit groove is opened on the surface of the lower fixing frame, and an activated carbon adsorption layer is provided on the upper surface of the lower fixing frame.

[0007] By adopting the above technical solution, the commonly used gas analyzer filter device is difficult to disassemble, and many connecting parts need to be disassembled during the replacement process. When using this device, the activated carbon adsorption layer is inserted into the gap between the upper and lower fixed frames. After determining the position of the activated carbon adsorption layer, the fixing bolts are tightened. The limiting vertical plate can limit the activated carbon adsorption layer to ensure that it will not fall off during the rotation of the rotating shaft.

[0008] In a preferred embodiment, an air inlet pipe is fixedly installed on one side surface of the gas storage tank, and an air inlet valve is provided on the upper surface of the air inlet pipe.

[0009] By adopting the above technical solution, during the gas collection process, the operator opens the inlet valve and inserts the gas extraction tube into the inner wall surface of the inlet pipe to extract the gas.

[0010] In a preferred embodiment, a connecting shell is fixedly installed on the side surface of the gas storage tank corresponding to the air inlet pipe, and a handle is fixedly installed on the upper surface of the connecting shell.

[0011] By adopting the above technical solution, the entire device is connected through a connecting shell, making it integrated during handling and easy to carry, allowing for the extraction and analysis of gas at any time.

[0012] In a preferred embodiment, a connecting pipe is welded to the lower part of the surface of the gas storage tank, and an analysis and control box is fixedly installed at the end of the connecting pipe.

[0013] By adopting the above technical solution, the gas sensor unit inside the analysis control box is used to detect the types of gases and related pollution indices in the environment.

[0014] In a preferred embodiment, a heat sink is provided on one side surface of the analysis control box, and an electrical plug is provided below the heat sink.

[0015] By adopting the above technical solution, the heat sink can dissipate heat from the inside of the analysis and control box, and the power plug provides power support for the analysis and control box.

[0016] In a preferred embodiment, a control panel is fixedly mounted on the surface of the analysis control box, and control keys are provided adjacent to the control panel.

[0017] By adopting the above technical solution, operators can observe the analysis data through the control panel, and the control keys can control the analysis control box. The analysis control box and the gas storage tank are integrated into one device, which is easy to carry. The integrated device effectively improves human-machine interaction.

[0018] In a preferred embodiment, an air pump is fixedly installed on the inner wall surface of the connecting pipe.

[0019] By adopting the above technical solution, the gas pump can extract gas from the gas storage tank, speeding up the process of gas entering the analysis and control box and improving the efficiency of gas analysis.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0021] In this application, the commonly used gas analyzer filter device is difficult to disassemble, and many connecting parts need to be disassembled during the replacement process. When using this device, the activated carbon adsorption layer is inserted into the gap between the upper and lower fixed frames. After determining the position of the activated carbon adsorption layer, the fixing bolts are tightened. The limiting vertical plate can limit the activated carbon adsorption layer to ensure that it will not fall off during the rotation of the rotating shaft.

[0022] During gas collection, the operator opens the inlet valve and inserts the gas extraction tube into the inner wall of the inlet pipe to extract the gas. The entire device is connected via a casing, making it easy to carry and allowing for gas extraction and analysis at any time. Attached Figure Description

[0023] Figure 1 This is a first-view structural schematic diagram of the gas analyzer of this application;

[0024] Figure 2 This is a schematic diagram of the gas analyzer part of the structure in this application;

[0025] Figure 3 This is a schematic diagram of the gas analyzer filtration device in this application;

[0026] Figure 4 This is a schematic diagram of the internal structure of the gas analyzer connecting pipe in this application.

[0027] The markings in the diagram are: 1. Gas storage tank; 2. Miniature drive motor; 3. Connecting shell; 4. Handle; 5. Heat sink; 6. Analysis and control box; 7. Electrical plug; 8. Inlet pipe; 9. Inlet valve; 10. Top cover; 11. Control panel; 12. Control keys; 13. Connecting pipe; 14. Upper fixing frame; 15. Fixing bolts; 16. Activated carbon adsorption layer; 17. Limiting groove; 18. Lower fixing frame; 19. Limiting vertical plate; 20. Rotating shaft; 21. Air pump. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] Reference Figure 1-4 ,

[0030] Example:

[0031] A gas analyzer with a filtration structure includes a gas storage tank 1 with a top cover 10 on its upper surface. A micro drive motor 2 is fixedly mounted on the upper surface of the top cover 10. A rotating shaft 20 is fixedly mounted on one side of the micro drive motor 2. An upper fixing frame 14 is welded to the upper part of one side surface of the rotating shaft 20. A through hole is opened on the surface of the upper fixing frame 14. A fixing bolt 15 is movably inserted into the surface of the through hole. A limiting vertical plate 19 is welded to the end of the fixing bolt 15. A lower fixing frame 18 is provided at the end of the limiting vertical plate 19. A limiting groove 17 is opened on the surface of the lower fixing frame 18. An activated carbon adsorption layer 16 is provided on the upper surface of the lower fixing frame 18.

[0032] Disassembly of commonly used gas analyzer filter devices is relatively difficult, and many connecting parts need to be disassembled during replacement. When using this device, the activated carbon adsorption layer 16 is inserted into the gap between the upper fixed frame 14 and the lower fixed frame 18. After determining the position of the activated carbon adsorption layer 16, tighten the fixing bolts 15. The limiting vertical plate 19 can limit the activated carbon adsorption layer 16 to ensure that it will not fall off during the rotation of the rotating shaft 20.

[0033] An inlet pipe 8 is fixedly installed on one side of the gas storage tank 1, and an inlet valve 9 is provided on the upper surface of the inlet pipe 8. During the gas collection process, the operator opens the inlet valve 9 and inserts the gas extraction tube into the inner wall surface of the inlet pipe 8 to extract the gas.

[0034] A connecting shell 3 is fixedly installed on the side surface of the gas storage tank 1 corresponding to the gas inlet pipe 8, and a handle 4 is fixedly installed on the upper surface of the connecting shell 3. The entire device is connected through the connecting shell 3, making the device integrated during handling, convenient to carry, and allowing for gas extraction and analysis at any time.

[0035] A connecting pipe 13 is welded to the lower part of the surface of the gas storage tank 1, and an analysis and control box 6 is fixedly installed at the end of the connecting pipe 13. The analysis and control box 6 contains a gas sensor unit for detecting the types of gases present in the environment and related pollution indices.

[0036] A heat sink 5 is provided on one side of the analysis and control box 6, and an electrical plug 7 is provided below the heat sink 5. The heat sink 5 can dissipate heat from the inside of the analysis and control box 6, and the electrical plug 7 provides power to the analysis and control box 6.

[0037] A control panel 11 is fixedly mounted on the surface of the analysis control box 6, and control keys 12 are located adjacent to the control panel 11. Operators can observe the analysis data through the control panel 11, and the control keys 12 can control the analysis control box 6. The analysis control box 6 and the gas storage tank 1 are integrated devices, which are easy to carry, and the integrated device effectively improves human-machine interaction.

[0038] A vacuum pump 21 is fixedly installed on the inner wall surface of the connecting pipe 13. The vacuum pump 21 can extract gas from the gas storage tank 1, speeding up the process of gas entering the analysis control box 6 and improving the efficiency of gas analysis.

[0039] The implementation principle of a gas analyzer with a filtration structure according to this application is as follows:

[0040] Disassembly of commonly used gas analyzer filter devices is relatively difficult, and many connecting parts need to be disassembled during replacement. When using this device, the activated carbon adsorption layer 16 is inserted into the gap between the upper fixed frame 14 and the lower fixed frame 18. After determining the position of the activated carbon adsorption layer 16, tighten the fixing bolts 15. The limiting vertical plate 19 can limit the activated carbon adsorption layer 16 to ensure that it will not fall off during the rotation of the rotating shaft 20.

[0041] During gas collection, the operator opens the inlet valve 9 and inserts the gas extraction tube into the inner wall of the inlet pipe 8 to extract the gas. The entire device is connected via the outer casing 3, making it easy to carry and allowing for gas extraction and analysis at any time.

[0042] The analysis and control box 6 contains a gas sensor unit for detecting the types of gases present in the environment and related pollution indices. Operators can view the analysis data through the control panel 11, and control keys 12 can control the analysis and control box 6. The analysis and control box 6 and the gas storage tank 1 are integrated into a single unit, making it easy to carry and effectively improving human-machine interaction.

[0043] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A gas analyzer with a filtering structure, comprising a gas storage tank (1), characterized in that: The gas storage tank (1) has a top cover (10) on its upper surface. A micro drive motor (2) is fixedly installed on the upper surface of the top cover (10). A rotating shaft (20) is fixedly installed on one side of the micro drive motor (2). An upper fixing frame (14) is welded to the upper part of one side surface of the rotating shaft (20). A through hole is opened on the surface of the upper fixing frame (14). A fixing bolt (15) is movably inserted into the surface of the through hole. A limiting vertical plate (19) is welded to the end of the fixing bolt (15). A lower fixing frame (18) is provided at the end of the limiting vertical plate (19). A limiting groove (17) is opened on the surface of the lower fixing frame (18). An activated carbon adsorption layer (16) is provided on the upper surface of the lower fixing frame (18).

2. A gas analyzer having a filtering structure as claimed in claim 1, characterized in that: An air inlet pipe (8) is fixedly installed on one side surface of the gas storage tank (1), and an air inlet valve (9) is provided on the upper surface of the air inlet pipe (8).

3. A gas analyzer having a filtering structure as claimed in claim 1, characterized in that: A connecting shell (3) is fixedly installed on one side surface of the gas storage tank (1) corresponding to the air inlet pipe (8), and a handle (4) is fixedly installed on the upper surface of the connecting shell (3).

4. A gas analyzer having a filtering structure as defined in claim 1, characterized in that: A connecting pipe (13) is welded to the lower part of the surface of the gas storage tank (1), and an analysis control box (6) is fixedly installed at the end of the connecting pipe (13).

5. A gas analyzer having a filter structure as claimed in claim 4, characterized in that: A heat sink (5) is provided on one side surface of the analysis control box (6), and an electrical plug (7) is provided below the heat sink (5).

6. A gas analyzer having a filtering structure as defined in claim 4, characterized in that: The surface of the analysis control box (6) is fixedly mounted with a control panel (11), and control keys (12) are provided adjacent to the control panel (11).

7. A gas analyzer having a filter structure as defined in claim 4, characterized in that An air pump (21) is fixedly installed on the inner wall surface of the connecting pipe (13).

Citation Information

Patent Citations

  • Gas analyzer with filtering device

    CN214473141U