A multi-channel gas analyzer

By designing six connectors and a moving block in a multi-channel gas analyzer, and using a motor to drive the turntable and connecting block to rotate, individual gas analysis was achieved, solving the problem of gas mixing affecting the analysis results and ensuring the accuracy of the analysis results.

CN224518695UActive Publication Date: 2026-07-17HANGZHOU QISHANG TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU QISHANG TECH CO LTD
Filing Date
2025-08-01
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing multi-channel gas analyzers are prone to gas mixing when analyzing different gases, which affects the accuracy of the analysis results.

Method used

A multi-channel gas analyzer was designed. Through the cooperation of six connectors and a moving block, the turntable and connecting block are driven by a motor to achieve individual gas analysis and avoid gas mixing.

Benefits of technology

It effectively prevents different gases from mixing during the analysis process, ensuring the accuracy and independence of gas analysis results.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224518695U_ABST
Patent Text Reader

Abstract

This utility model discloses a multi-channel gas analyzer, relating to the field of gas analysis technology. It includes an L-shaped plate, with a support column fixedly installed at the bottom. A fixed platform is fixedly installed at the top of the support column, and a turntable is fixedly connected to the top of the fixed platform. A rotatable actuator is rotatably connected to the top of the turntable. The actuator has six square grooves inside and six arc grooves on its outer side. The beneficial effects of this utility model are: by using six connectors and a moving block, the moving block can be moved on a sliding groove and stop on one of the sealing blocks. Then, by using a connecting block and an adjusting plate, the gas inside the sampling bottle can enter the gas delivery pipe. Through this process, when analyzing different gases, the device connects to multiple sampling bottles using multiple connectors, thus avoiding mixing of different gases and preventing damage to the gas analysis results.
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Description

Technical Field

[0001] This utility model relates to the field of gas analysis technology, specifically a multi-channel gas analyzer. Background Technology

[0002] A multi-channel gas analyzer is a measuring device capable of simultaneously detecting multiple gas parameters, widely used in industrial environmental protection and environmental monitoring. Through multiple independent detection channels, the instrument can monitor the concentration of various pollutants in flue gas in real time, such as carbon monoxide, sulfur dioxide, and nitrogen oxides. This device features high precision, high stability, and rapid response, making it suitable for online monitoring in boilers, power plants, chemical plants, and other similar locations.

[0003] A search revealed that patent number CN219657281U discloses a collection device for a multi-channel VOCs gas analyzer, relating to the field of gas collection technology. The device includes a housing, with a vacuum pump fixedly connected to the inner wall of the housing. An L-shaped pipe is fixedly connected to the right side of the vacuum pump. A connecting pipe is fixedly connected to the bottom end of the L-shaped pipe via screws. An upper shell is fixedly connected to the outer wall of the bottom end of the connecting pipe. A first pipe is located at the top of the vacuum pump. A directional control valve is located to the right of the first pipe, and a second pipe is located to the right of the directional control valve. A gas detector is located to the right of the second pipe. By aligning a locking block with the L-shaped groove of the L-shaped pipe and sliding it upwards, the connecting pipe is rotated until it can no longer be rotated, at which point the screw aligns perfectly with the threaded hole. At this point, a sealing ring engages in the sealing groove, sealing the connecting pipe and the L-shaped pipe. This eliminates the need for a threaded connection, increasing the sealing performance of the pipe connection.

[0004] The above-mentioned device has the following drawbacks: when analyzing different gases, the gas will pass between the upper and lower shells, and gas will remain between the upper and lower shells. Therefore, when analyzing the next gas, the two gases may mix, which will affect the gas analysis results. Therefore, we propose a multi-channel gas analyzer. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a multi-channel gas analyzer that solves the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A multi-channel gas analyzer includes an L-shaped plate, a support column fixedly mounted at the bottom of the L-shaped plate, a fixed platform fixedly mounted at the top of the support column, a turntable fixedly connected to the top of the fixed platform, a rotator rotatably connected to the top of the turntable, six square grooves inside the rotator, and six arc grooves outside the rotator, a motor fixedly mounted at the top of the fixed platform, a turntable fixedly mounted at the output end of the motor, an auxiliary block fixedly mounted at the top of the turntable, the auxiliary block cooperating with the arc grooves, two connecting columns fixedly mounted at the top of the turntable, the connecting columns cooperating with the square grooves, a rotating shaft fixedly mounted at the top of the rotator, a worktable rotatably connected to the top of the rotating shaft, a sliding groove inside the worktable, and a moving block slidably connected inside the sliding groove. A gas delivery pipe is fixedly connected to the top of the moving block. A solenoid valve is installed on the outside of the gas delivery pipe. Six connectors are fixedly installed inside the worktable. A sealing block is fixedly installed on the top of each of the six connectors. A valve is installed on the outside of each of the six connectors. An inner groove is opened inside the valve. A rotating column is rotatably connected inside the valve. An adjusting plate is fixedly installed on the top of the rotating column. A connecting block is fixedly installed on the top of the rotating column. A blocking block is fixedly installed at one end of the connecting block. A limit block is fixedly installed inside the inner groove. Through the setting of the six connectors, by using the cooperation of the moving block and the sliding groove, the moving block can be moved to the designated sealing block, thereby allowing the gas inside the designated sampling bottle to enter the gas delivery pipe for analysis. Through this process, the device can avoid the mixing of different gases, which would affect the analysis results.

[0007] Preferably, a connecting block is fixedly installed on one side of the L-shaped plate, and the connecting block cooperates with the adjusting plate.

[0008] Preferably, an installation box is fixedly installed at the top of the L-shaped plate, and an air pump is fixedly installed at the bottom of the installation box. The input end of the air pump passes through the installation box and is fixedly connected to the top of the air supply pipe. The output end of the air pump is fixedly connected to a connecting pipe. An exhaust pipe is fixedly connected to the outside of the connecting pipe and extends to the top of the installation box. A gas direction control valve is provided between the exhaust pipe and the connecting pipe. A gas analyzer is fixedly installed at the bottom of the installation box, and one side of the gas analyzer is fixedly connected to one end of the connecting pipe.

[0009] Preferably, a control panel is fixedly installed on one side of the mounting box.

[0010] Preferably, each of the six connectors has a sampling bottle internally threaded.

[0011] Preferably, the motor, solenoid valve, air pump, gas direction control valve, and gas analyzer are all electrically connected to the control panel.

[0012] This invention provides a multi-channel gas analyzer with the following advantages:

[0013] 1. This multi-channel gas analyzer, through the setting of six connectors and a moving block, utilizes the movement of the moving block on the slide groove to stop it on one of the sealing blocks. Then, through the cooperation of the connecting block and the adjusting plate, the gas inside the sampling bottle can enter the gas delivery pipe. Through this process, when analyzing different gases, the device can connect to multiple sampling bottles through multiple connectors, thereby avoiding the mixing of different gases and thus preventing the loss of gas analysis results. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram from another perspective of the present invention;

[0016] Figure 3 This is a schematic diagram of the interior of the mounting box of this utility model;

[0017] Figure 4 This is a cross-sectional view of the present invention;

[0018] Figure 5 This is a schematic diagram of the internal structure of the valve of this utility model.

[0019] In the diagram: 1. L-shaped plate; 101. Connecting block; 2. Support column; 3. Fixed platform; 4. Turntable; 5. Rotator; 501. Square groove; 502. Rotating shaft; 6. Motor; 7. Turntable; 701. Auxiliary block; 702. Connecting column; 8. Workbench; 801. Slide groove; 9. Connector; 901. Sealing block; 10. Valve; 11. Inner groove; 12. Rotating column; 13. Adjusting plate; 14. Connecting block; 15. Sealing block; 16. Limiting block; 17. Gas supply pipe; 18. Moving block; 19. Solenoid valve; 20. Mounting box; 21. Air pump; 22. Gas direction control valve; 23. Exhaust pipe; 24. Connecting pipe; 25. Gas analyzer; 26. Control panel; 27. Sampling bottle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Please see Figures 1 to 5This utility model provides a technical solution: a multi-channel gas analyzer, including an L-shaped plate 1, a support column 2 fixedly installed at the bottom of the L-shaped plate 1, a fixed platform 3 fixedly installed at the top of the support column 2, a turntable 4 fixedly connected to the top of the fixed platform 3, a rotatable actuator 5 rotatably connected to the top of the turntable 4, six square grooves 501 inside the rotatable actuator 5, and six arc grooves 503 outside the rotatable actuator 5, a motor 6 fixedly installed at the top of the fixed platform 3, the motor 6 driving the turntable 7 to rotate, the output end of the motor 6 fixedly installed on the turntable 7, an auxiliary block 701 fixedly installed at the top of the turntable 7, the auxiliary block 701 cooperating with the arc grooves 503, two connecting columns 702 fixedly installed at the top of the turntable 7, the connecting columns 702 cooperating with the square grooves 501, a rotating shaft 502 fixedly installed at the top of the rotatable actuator 5, the rotating shaft 502 being used for the rotation of the worktable 8, and the top of the rotating shaft 502 rotatably connected to the worktable 8. The workbench 8 is used for the sliding block 18 to slide inside the slide groove 801. The slide groove 801 is opened inside the workbench 8. The sliding block 18 is slidably connected inside the slide groove 801. The top of the sliding block 18 is fixedly connected to the gas supply pipe 17. The outside of the gas supply pipe 17 is provided with a solenoid valve 19. Six connectors 9 are fixedly installed inside the workbench 8. The connectors 9 are used to connect the sampling bottle 27. The top of each of the six connectors 9 is fixedly installed with a sealing block 901. The sealing block 901 is used to prevent gas leakage. The outside of each of the six connectors 9 is provided with a valve 10. The valve 10 has an inner groove 11. The valve 10 is rotatably connected to a rotating column 12. The top of the rotating column 12 is fixedly installed with an adjusting plate 13. The top of the rotating column 12 is fixedly installed with a connecting block 14. One end of the connecting block 14 is fixedly installed with a sealing block 15. The sealing block 15 is used to seal the gas inside the sampling bottle 27. The inner groove 11 is fixedly installed with a limit block 16.

[0022] like Figure 4 As shown, a connecting block 101 is fixedly installed on one side of the L-shaped plate 1, and the connecting block 101 cooperates with the adjusting plate 13.

[0023] like Figure 3 As shown, an installation box 20 is fixedly installed at the top of the L-shaped plate 1. An air pump 21 is fixedly installed at the bottom of the installation box 20. The air pump 21 is used to draw the gas inside the sampling bottle 27 into the gas analyzer 25. The input end of the air pump 21 passes through the installation box 20 and is fixedly connected to the top of the gas supply pipe 17. The output end of the air pump 21 is fixedly connected to a connecting pipe 24. An exhaust pipe 23 is fixedly connected to the outside of the connecting pipe 24 and extends to the top of the installation box 20. A gas direction control valve 22 is provided between the exhaust pipe 23 and the connecting pipe 24. The gas direction control valve 22 is used to change the flow direction of the gas. The gas analyzer 25 is fixedly installed at the bottom of the installation box 20. One side of the gas analyzer 25 is fixedly connected to one end of the connecting pipe 24.

[0024] like Figure 1As shown, a control panel 26 is fixedly installed on one side of the mounting box 20. The control panel 26 is used to control this device.

[0025] like Figure 3 As shown, each of the six connectors 9 has a sampling bottle 27 internally threadedly connected to it, and the sampling bottle 27 is used to store different gases.

[0026] like Figure 1 As shown, motor 6, solenoid valve 19, air pump 21, gas direction control valve 22 and gas analyzer 25 are all electrically connected to control panel 26.

[0027] In summary, when using this multi-channel gas analyzer, first install the six sampling bottles 27 below the six connectors 9. Note that the operator should adjust the adjusting plate 13 to a fixed position, then use the control panel 26 to activate the motor 6. The motor 6 will drive the turntable 7 to rotate. Through the cooperation of the auxiliary block 701, the arc groove 503, the connecting column 702, and the square groove 501, the motor 6 can rotate the worktable 8 one position with each operation. This allows the moving block 18 to move on the slide 801, then move to one of the sealing blocks 901. Correspondingly, the adjusting plate 13 will contact the connecting block 101, causing the sealing block 15 to move inside the inner groove 11. Then, open the solenoid valve 19. The gas inside the corresponding sampling bottle 27 will flow into the gas delivery pipe 17 through the operation of the gas pump 21, and then into the gas analyzer 25 (OFK-300) through the connecting pipe 24. The gas will then be analyzed, and the results will be displayed on the control panel 26. When it is necessary to analyze the next gas, the gas direction control valve 22 is opened to discharge the previous gas through the exhaust pipe 23. Then the motor 6 can be used to work again, which will once again use the cooperation of the auxiliary block 701 and the arc groove 503, the connecting column 702 and the square groove 501 to make the worktable 8 rotate one position. Then the moving block 18 will move to the next sealing block 901, and then the above operation can be repeated. The above is the working principle of this utility model.

[0028] 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 multi-channel gas analyser comprising an L-shaped plate (1), characterised in that: A support column (2) is fixedly installed at the bottom of the L-shaped plate (1). A fixed platform (3) is fixedly installed at the top of the support column (2). A turntable (4) is fixedly connected to the top of the fixed platform (3). A rotator (5) is rotatably connected to the top of the turntable (4). The rotator (5) has six square grooves (501) inside and six arc grooves (503) on the outside. A motor (6) is fixedly installed at the top of the fixed platform (3). A turntable (7) is fixedly installed at the output end of the motor (6). An auxiliary block (701) is fixedly installed at the top of the turntable (7). The auxiliary block (701) cooperates with the arc grooves (503). Two connecting columns (702) are fixedly installed at the top of the turntable (7). The connecting columns (702) cooperate with the square grooves (501). A rotating shaft (502) is fixedly installed at the top of the rotator (5). A tool is rotatably connected to the top of the rotating shaft (502). The workbench (8) has a sliding groove (801) inside, a moving block (18) is slidably connected inside the sliding groove (801), a gas supply pipe (17) is fixedly connected to the top of the moving block (18), a solenoid valve (19) is provided on the outside of the gas supply pipe (17), six connectors (9) are fixedly installed inside the workbench (8), a sealing block (901) is fixedly installed on the top of each of the six connectors (9), a valve (10) is provided on the outside of each of the six connectors (9), an inner groove (11) is opened inside the valve (10), a rotating column (12) is rotatably connected inside the valve (10), an adjusting plate (13) is fixedly installed on the top of the rotating column (12), a connecting block (14) is fixedly installed on the top of the rotating column (12), a sealing block (15) is fixedly installed on one end of the connecting block (14), and a limit block (16) is fixedly installed inside the inner groove (11).

2. A multi-channel gas analyzer according to claim 1, characterized in that: A connecting block (101) is fixedly installed on one side of the L-shaped plate (1), and the connecting block (101) cooperates with the adjusting plate (13).

3. A multi-channel gas analyzer according to claim 1, characterized in that: An installation box (20) is fixedly installed on the top of the L-shaped plate (1). An air pump (21) is fixedly installed at the bottom inside the installation box (20). The input end of the air pump (21) passes through the installation box (20) and is fixedly connected to the top of the gas supply pipe (17). A connecting pipe (24) is fixedly connected to the output end of the air pump (21). An exhaust pipe (23) is fixedly connected to the outside of the connecting pipe (24), and the exhaust pipe (23) extends to the top of the installation box (20). A gas direction control valve (22) is provided between the exhaust pipe (23) and the connecting pipe (24). A gas analyzer (25) is fixedly installed at the bottom inside the installation box (20). One side of the gas analyzer (25) is fixedly connected to one end of the connecting pipe (24).

4. A multi-channel gas analyzer according to claim 3, characterized in that: A control panel (26) is fixedly installed on one side of the mounting box (20).

5. A multi-channel gas analyzer according to claim 1, characterized in that: Each of the six connectors (9) has a sampling bottle (27) internally threaded.

6. A multi-channel gas analyzer according to claim 1, characterized in that: The motor (6), the electromagnetic valve (19), the air pump (21), the air direction control valve (22) and the air analyzer (25) are electrically connected with the control panel (26).