Greenhouse gas flux multichannel conversion system

Abstract

This invention relates to the field of greenhouse gas flux monitoring technology, specifically a multi-channel greenhouse gas flux conversion system, comprising: a gas path conversion base, with a return gas interface and an inlet gas interface on the side of the gas path conversion base, both the return gas interface and the inlet gas interface being at a 90-degree angle and penetrating through the upper surface of the gas path conversion base; a horizontal slider being horizontally slidably connected to a horizontal drive motor; through holes penetrating both ends of a mounting plate, with a connecting pipe movably inserted through the inner cavity of the through hole; and two insertion platforms respectively inserted into the inlet gas interface and the upper opening of the mounting plate; the beneficial effect is that by movably inserting the connecting pipe through the inner cavity of the through hole, the diameter of the connecting pipe being smaller than the inner diameter of the through hole, and a frustum-shaped insertion platform installed at the lower end of the connecting pipe, the insertion platform, under the pressure of the inner wall of the inlet gas interface or the mounting plate, can drive the connecting pipe to shift horizontally, ensuring accurate insertion between the insertion platform and the inlet gas interface or the mounting plate, and avoiding affecting the sealing performance.

Description

Technical Field

[0001] This invention relates to the field of greenhouse gas flux monitoring technology, specifically a greenhouse gas flux multi-channel conversion system. Background Technology

[0002] There are generally two methods for monitoring soil greenhouse gas fluxes: portable mobile monitoring (portable greenhouse gas flux monitor) and long-term in-situ monitoring (multi-channel soil greenhouse gas flux monitoring system).

[0003] In existing technologies, multi-channel soil greenhouse gas flux multi-point in-situ monitoring systems consist of a greenhouse gas analyzer, a multi-channel gas path conversion system, an in-situ breathing chamber, and auxiliary pipelines.

[0004] Currently, in multi-channel gas flux conversion systems, misalignment between the two sets of interfaces can easily occur during switching, leading to poor sealing and affecting monitoring accuracy. Therefore, this invention proposes a multi-channel greenhouse gas flux conversion system to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a multi-channel greenhouse gas flux conversion system to solve the problem mentioned in the background art where the gas path interface is prone to misalignment during switching, leading to poor connection sealing.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a multi-channel greenhouse gas flux conversion system, comprising:

[0007] An air path conversion base is provided with an air return port and an air inlet port on its side. The air return port and the air inlet port are both at a 90-degree angle and pass through the upper surface of the air path conversion base. A horizontal drive motor is fixedly installed on the top of the air path conversion base.

[0008] A mounting plate, with its two ends covering the upper openings of the return air interface and the intake air interface respectively, is driven to move up and down by a vertical drive motor. The vertical drive motor is fixed to the lower surface of a horizontal slider, which is horizontally slidably connected to a horizontal drive motor. Both ends of the mounting plate have through holes, and a connecting pipe is movably inserted through the inner cavity of each through hole, with the diameter of the connecting pipe being smaller than the inner diameter of the through hole.

[0009] The lower baffle ring has two parts, which are respectively attached to the lower surfaces of both ends of the mounting plate. The lower baffle ring is fixedly connected to the lower end of the connecting pipe. The lower surface of the mounting plate is fixedly connected to a frustum-shaped insertion platform. The two insertion platforms are respectively inserted into the air intake port and the upper opening of the mounting plate.

[0010] Preferably, multiple return air ports and multiple intake air ports are provided, and the multiple return air ports and multiple intake air ports are horizontally distributed at equal intervals.

[0011] Preferably, the lower retaining ring has a connecting slot extending into the insertion platform in the middle, the lower end of the connecting tube is threaded into the connecting slot, and a sealing ring is bonded to the bottom of the connecting slot.

[0012] Preferably, the middle part of the connecting pipe is fixedly connected to an upper baffle that fits against the upper surface of the mounting plate, and the surface of the connecting pipe is fixedly connected to a plurality of elastic rubber blocks arranged in a ring array, with a deformation groove penetrating through the middle of each elastic rubber block.

[0013] Preferably, a gantry bracket is fixedly connected above the gas path conversion base, a guide groove is provided through the upper crossbeam of the gantry bracket, a limit slot is provided on the side of the horizontal slider, and the horizontal slider is slidably connected to the guide groove through the limit slot.

[0014] Preferably, a horizontal drive screw is rotatably installed below the crossbeam of the gantry bracket. The horizontal drive screw is driven to rotate by a transverse drive motor. A threaded hole is provided through the middle of the horizontal slider, and the horizontal slider is threadedly connected to the horizontal drive screw through the threaded hole.

[0015] Preferably, a fixing frame is fixedly connected to the lower surface of the horizontal slider, and a vertical drive screw is rotatably installed inside the fixing frame. The lower end of the vertical drive screw passes through the lower end of the fixing frame and extends below it. The vertical drive screw is driven to rotate by a vertical drive motor.

[0016] Preferably, a threaded connecting sleeve is fixedly connected to the middle of the mounting plate, and the lower end of the vertical drive screw is threaded into the threaded connecting sleeve.

[0017] Preferably, the fixed frame has a suspension plate inside, which is threadedly connected to the vertical drive screw. A guide post is fixedly connected to the lower surface of the suspension plate, and the guide post movably passes through the lower end of the fixed frame and is fixedly connected to the mounting plate.

[0018] Preferably, an air pipe is provided at the upper end of the connecting pipe, and the connector of the air pipe is threadedly connected to the upper end of the connecting pipe.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] This invention features a connecting pipe that extends through the inner cavity of a through hole. The diameter of the connecting pipe is smaller than the inner diameter of the through hole. A frustum-shaped insertion platform is installed at the lower end of the connecting pipe. When the connecting pipe inserts the insertion platform into the upper opening of the air intake interface or mounting plate from top to bottom, the insertion platform is squeezed by the inner wall of the air intake interface or mounting plate, which can cause the connecting pipe to shift horizontally. This ensures accurate insertion between the insertion platform and the air intake interface or mounting plate, avoiding any impact on the sealing performance. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a side sectional view of the overall structure of the present invention;

[0023] Figure 3 This is an exploded view of the mounting plate structure of the present invention;

[0024] Figure 4 This is a cross-sectional view of the plug-in platform structure of the present invention;

[0025] Figure 5 This is a three-dimensional schematic diagram of the mounting plate structure of the present invention;

[0026] Figure 6 This is a three-dimensional schematic diagram of the connecting pipe structure of the present invention.

[0027] In the diagram: 1. Air path conversion base; 2. Air return interface; 3. Air inlet interface; 4. Mounting plate; 5. Vertical drive motor; 6. Horizontal slider; 7. Horizontal drive motor; 8. Through hole; 9. Connecting pipe; 10. Elastic rubber block; 11. Lower retaining ring; 12. Insertion platform; 13. Connecting slot; 14. Sealing ring; 15. Upper baffle; 16. Deformation groove; 17. Gantry bracket; 18. Guide slide groove; 19. Limiting slot; 20. Horizontal drive screw; 21. Threaded hole; 22. Fixing bracket; 23. Vertical drive screw; 24. Threaded connecting sleeve; 25. Suspension plate; 26. Guide column; 27. Air pipe. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] In the description of this invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "a," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] For purposes of simplicity and illustration, the principles of the embodiments are described primarily by way of example. In the following description, numerous specific details are set forth to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring these embodiments. Furthermore, all embodiments can be used in combination with each other.

[0032] Please see Figures 1 to 6 The present invention provides a technical solution:

[0033] Example 1

[0034] The greenhouse gas flux multichannel conversion system includes: a gas path conversion base 1, a mounting plate 4, and a lower baffle ring 11.

[0035] Specifically, a return gas interface 2 and an inlet gas interface 3 are provided on the side of the gas path conversion base 1. Both the return gas interface 2 and the inlet gas interface 3 are at a 90-degree angle and pass through the upper surface of the gas path conversion base 1. A horizontal drive motor 7 is fixedly installed on the top of the gas path conversion base 1. Greenhouse gas enters the inner cavity of the return gas interface 2 through the inlet gas interface 3 to form a circulation. The monitoring equipment is connected to the inlet gas interface 3 and the return gas interface 2 through a pipe for monitoring greenhouse gas.

[0036] Secondly, the two ends of the mounting plate 4 cover the upper openings of the return air interface 2 and the air inlet interface 3, respectively. The mounting plate 4 is driven to move up and down by the vertical drive motor 5. The vertical drive motor 5 is fixed to the lower surface of the horizontal slider 6. The horizontal slider 6 is horizontally slidably connected to the horizontal drive motor 7. The horizontal slider 6 slides horizontally to drive the mounting plate 4 to move horizontally. The vertical drive motor 5 drives the mounting plate 4 to move up and down, thereby realizing the adjustment of various positions of the mounting plate 4 so as to cover the air inlet interface 3 and the return air interface 2 at different positions. Both ends of the mounting plate 4 are provided with through holes 8. A connecting pipe 9 is movably provided through the inner cavity of the through hole 8. The diameter of the connecting pipe 9 is smaller than the inner diameter of the through hole 8. The connecting pipe 9 can move horizontally within a certain range in the inner cavity of the through hole 8.

[0037] Furthermore, two lower baffle rings 11 are provided and respectively attached to the lower surfaces of both ends of the mounting plate 4. The lower baffle rings 11 are fixedly connected to the lower end of the connecting pipe 9. The lower surface of the mounting plate 4 is fixedly connected to a frustum-shaped insertion platform 12. The two insertion platforms 12 are respectively inserted into the air inlet 3 and the upper opening of the mounting plate 4. The lower surface of the lower baffle ring 11 is provided with a rubber layer. After the lower baffle ring 11 is attached to the upper surface of the air path conversion base 1, it can improve the sealing performance. The insertion platform 12 is used to guide the lower end of the connecting pipe 9. When the connecting pipe 9 is misaligned with the air inlet 3 or the return air inlet 2, the lower end of the connecting pipe 9 can still be inserted into the inner cavity of the air inlet 3 or the return air inlet 2 to horizontally correct the position of the connecting pipe 9 and avoid gas leakage when the position of the connecting pipe 9 is offset, which may affect the switching of the air path interface.

[0038] Example 2

[0039] Based on Embodiment 1, in order to extract and circulate gas from different locations, this application provides multiple return gas interfaces 2 and multiple inlet interfaces 3. The multiple return gas interfaces 2 and multiple inlet interfaces 3 are horizontally distributed at equal intervals. The horizontal opening ends of the return gas interfaces 2 and the inlet interfaces 3 are connected to external gas pipelines to circulate greenhouse gases from different locations.

[0040] Example 3

[0041] Based on Embodiment 2, in order to fix the connecting pipe 9 and the plug-in platform 12, this application also has a connecting slot 13 extending into the plug-in platform 12 at the middle of the lower retaining ring 11. The lower end of the connecting pipe 9 is threaded into the connecting slot 13 to fix the connecting pipe 9 and the plug-in platform 12. A sealing ring 14 is glued to the bottom of the connecting slot 13 to improve the sealing between the connecting pipe 9 and the plug-in platform 12.

[0042] Example 4

[0043] Based on Embodiment 3, in order to position and reset the connecting pipe 9, this application further includes an upper baffle 15 fixedly connected to the middle of the connecting pipe 9 and attached to the upper surface of the mounting plate 4, which is used to position the connecting pipe 9 and prevent the connecting pipe 9 from separating from the mounting plate 4. A plurality of elastic rubber blocks 10 arranged in a ring array are fixedly connected to the surface of the connecting pipe 9. A deformation groove 16 is opened through the middle of the elastic rubber block 10 to increase the deformation degree of the elastic rubber block 10, and the elastic rubber block 10 can recover its deformation in time after being pressed to reset the connecting pipe 9.

[0044] Example 5

[0045] Based on Embodiment 4, in order to guide the sliding of the horizontal slider 6, this application also has a gantry bracket 17 fixedly connected above the air circuit conversion base 1. A guide groove 18 is provided through the upper crossbeam of the gantry bracket 17. A limiting slot 19 is provided on the side of the horizontal slider 6. The horizontal slider 6 is slidably connected to the guide groove 18 through the limiting slot 19, ensuring that the horizontal slider 6 can only slide horizontally and will not fall.

[0046] Example 6

[0047] Based on Embodiment 5, in order to drive the horizontal slider 6 to slide horizontally, this application also has a horizontal drive screw 20 rotatably installed below the crossbeam on the gantry bracket 17. The horizontal drive screw 20 is driven to rotate by the transverse drive motor 7. A threaded hole 21 is provided through the middle of the horizontal slider 6. The horizontal slider 6 is threadedly connected to the horizontal drive screw 20 through the threaded hole 21. Therefore, when the transverse drive motor 7 is working, it drives the horizontal drive screw 20 to rotate, which can drive the horizontal slider 6 to slide horizontally.

[0048] Example 7

[0049] Based on Embodiment 6, in order to refine the internal structure of the fixing frame 22, this application also has a fixing frame 22 fixedly connected to the lower surface of the horizontal slider 6, and a vertical drive screw 23 rotatably installed inside the fixing frame 22. The lower end of the vertical drive screw 23 passes through the lower end of the fixing frame 22 and extends below it. The vertical drive screw 23 is driven to rotate by the vertical drive motor 5.

[0050] Example 8

[0051] Based on Embodiment 7, in order to drive the mounting plate 4 to move up and down, this application also has a threaded connecting sleeve 24 fixedly connected to the middle of the mounting plate 4, and the lower end of the vertical drive screw 23 is inserted into the threaded connecting sleeve 24 through a thread. When the vertical drive screw 23 rotates, it can drive the threaded connecting sleeve 24 to move up and down, thereby driving the mounting plate 4 to move up and down.

[0052] Example 9

[0053] Based on Embodiment 8, in order to prevent the mounting plate 4 from rotating, this application also includes a suspension plate 25 provided inside the fixing frame 22. The suspension plate 25 is threadedly connected to the vertical drive screw 23. A guide post 26 is fixedly connected to the lower surface of the suspension plate 25. The guide post 26 movably passes through the lower end of the fixing frame 22 and is fixedly connected to the mounting plate 4. The guide post 26 is provided to guide the mounting plate 4 and prevent the mounting plate 4 from rotating in the horizontal direction, which would affect the coverage effect on the return air interface 2 or the intake air interface 3.

[0054] Example 10

[0055] Based on Embodiment 9, in order to monitor greenhouse gases, this application further includes a gas pipe 27 provided at the upper end of the connecting pipe 9, with the connector of the gas pipe 27 threadedly connected to the upper end of the connecting pipe 9, and the gas pipe 27 connected to the monitoring equipment for monitoring greenhouse gases.

[0056] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A multi-channel greenhouse gas flux conversion system, characterized in that: include: Air path conversion base (1), the side of the air path conversion base (1) is provided with return air interface (2) and air inlet interface (3), the return air interface (2) and air inlet interface (3) are both at ninety degrees and pass through the upper surface of the air path conversion base (1), and a horizontal drive motor (7) is fixedly installed on the upper part of the air path conversion base (1). Mounting plate (4), the two ends of the mounting plate (4) respectively cover the upper openings of the return air interface (2) and the air inlet interface (3), the mounting plate (4) is driven to move up and down by a vertical drive motor (5), the vertical drive motor (5) is fixed to the lower surface of the horizontal slider (6), the horizontal drive motor (7) drives the horizontal slider (6) to slide horizontally, and both ends of the mounting plate (4) are provided with through holes (8), the inner cavity of the through hole (8) is movably provided with a connecting pipe (9), and the diameter of the connecting pipe (9) is smaller than the inner diameter of the through hole (8); and The lower baffle ring (11) has two parts and is respectively attached to the lower surfaces of the two ends of the mounting plate (4). The lower baffle ring (11) is fixedly connected to the lower end of the connecting pipe (9). The lower surface of the lower baffle ring (11) is fixedly connected to a frustum-shaped insertion platform (12). The two insertion platforms (12) are respectively inserted into the upper openings of the air inlet (3) and the air return (2). The return air interface (2) and the intake air interface (3) are provided in multiple ways, and the multiple return air interfaces (2) and the multiple intake air interfaces (3) are horizontally distributed at equal intervals; The lower retaining ring (11) has a connecting slot (13) extending into the insertion platform (12) in the middle. The lower end of the connecting tube (9) is threaded into the connecting slot (13). A sealing ring (14) is bonded to the bottom of the connecting slot (13). The middle part of the connecting pipe (9) is fixedly connected to an upper baffle (15) that fits against the upper surface of the mounting plate (4). The surface of the connecting pipe (9) is fixedly connected to a plurality of elastic rubber blocks (10) arranged in a ring array. The middle part of the elastic rubber block (10) is provided with a deformation groove (16).

2. The greenhouse gas flux multi-channel conversion system according to claim 1, characterized in that: A gantry bracket (17) is fixedly connected above the gas path conversion base (1). A guide groove (18) is provided through the upper crossbeam of the gantry bracket (17). A limit slot (19) is provided on the side of the horizontal slider (6). The horizontal slider (6) is slidably connected to the guide groove (18) through the limit slot (19).

3. The greenhouse gas flux multichannel conversion system according to claim 2, characterized in that: A horizontal drive screw (20) is rotatably installed below the crossbeam of the gantry bracket (17). The horizontal drive screw (20) is driven to rotate by a horizontal drive motor (7). A threaded hole (21) is provided through the middle of the horizontal slider (6). The horizontal slider (6) is threadedly connected to the horizontal drive screw (20) through the threaded hole (21).

4. The greenhouse gas flux multi-channel conversion system according to claim 3, characterized in that: The lower surface of the horizontal slider (6) is fixedly connected to a fixing frame (22), and a vertical drive screw (23) is rotatably installed inside the fixing frame (22). The lower end of the vertical drive screw (23) passes through the lower end of the fixing frame (22) and extends below it. The vertical drive screw (23) is driven to rotate by a vertical drive motor (5).

5. The greenhouse gas flux multichannel conversion system according to claim 4, characterized in that: A threaded connecting sleeve (24) is fixedly connected to the middle of the mounting plate (4), and the lower end of the vertical drive screw (23) is inserted into the threaded connecting sleeve (24) through a thread.

6. The greenhouse gas flux multichannel conversion system according to claim 5, characterized in that: The fixed frame (22) is provided with a suspension plate (25) inside. The suspension plate (25) is connected to the vertical drive screw (23) by a threaded connection. A guide post (26) is fixedly connected to the lower surface of the suspension plate (25). The guide post (26) movably passes through the lower end of the fixed frame (22) and is fixedly connected to the mounting plate (4).

7. The greenhouse gas flux multichannel conversion system according to claim 6, characterized in that: An air pipe (27) is provided at the upper end of the connecting pipe (9), and the connector of the air pipe (27) is threadedly connected to the upper end of the connecting pipe (9).

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