CN212321208U - Farmland greenhouse gas collection system - Google Patents
Farmland greenhouse gas collection system Download PDFInfo
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- CN212321208U CN212321208U CN202021231945.1U CN202021231945U CN212321208U CN 212321208 U CN212321208 U CN 212321208U CN 202021231945 U CN202021231945 U CN 202021231945U CN 212321208 U CN212321208 U CN 212321208U
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- air outlet
- outlet pipe
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Abstract
The utility model discloses a farmland greenhouse gas collection system, including horizontal setting and the horizontal pole and the more than one box of farmland top, the inside air cavity that is equipped with of horizontal pole installs the blast pipe with the air cavity intercommunication on the right flank of horizontal pole, installs first valve on the blast pipe, is equipped with the spout on the bottom surface of horizontal pole, all installs the telescopic link on the top surface of box, and the slider is all installed to the telescopic link upper end, and the equal slidable mounting of slider is in the spout, and first outlet duct is all installed in the left side that the top surface of box is located the telescopic link, all inserts the second outlet duct in the opening of first outlet duct upper end, all be equipped with the more than one gas pocket with the air cavity intercommunication on the top. The utility model discloses simple structure need not to use base and base, and the horizontal pole that the box passes through the upper end is fixed, and great reduction has avoided influencing the exactness of sampling data to the destruction of soil, and can carry out unified gas acquisition or independent gas acquisition, has increased the functionality.
Description
Technical Field
The utility model relates to a gaseous collection technical field, concretely relates to farmland greenhouse gas collection system.
Background
Global warming has become a popular focus of research in various countries, and research has shown that greenhouse gas (carbon dioxide, methane, and nitrous oxide) emissions due to the effects of human activities are a large contributor to global warming. And farmland soil is a major man-made source of atmospheric greenhouse gases.
At present, static case specification shape that uses in the synchronous monitoring of farmland ecosystem greenhouse gas emission flux differs, the performance difference of material and static case of using is very big, static case generally comprises box and base two parts, the base of base is tubulose or square frame column structure, need settle in soil before the survey, when pedestal mounting, earth's surface original state soil and crop all suffer the destruction of different degree, and in the actual measurement process, owing to adopt the base of tubulose or square frame column structure, the circulation that leads to inside and outside moisture of base and heat is obstructed, influence the respiration of crop, finally influence the exactness of sampling data, and present gas collection all independently gathers, can't unified the collection, cause the efficiency reduction of gathering.
Disclosure of Invention
The utility model aims to solve the technical problem that a farmland greenhouse gas collection system is provided to solve the problem of proposing in the above-mentioned background art.
The utility model discloses a realize through following technical scheme: a farmland greenhouse gas collecting device, which comprises a cross bar and more than one box body which are transversely arranged above a farmland, an air cavity is arranged in the cross rod, an exhaust pipe communicated with the air cavity is arranged on the right side surface of the cross rod, a first valve is arranged on the exhaust pipe, a sliding groove is arranged on the bottom surface of the cross rod, the sliding groove and the air cavity are oppositely arranged in parallel, telescopic rods are arranged on the top surfaces of the box bodies, sliding blocks are arranged at the upper ends of the telescopic rods and are all slidably arranged in the sliding groove, the top surface of the box body is provided with a first air outlet pipe on the left side of the telescopic rod, a second air outlet pipe is inserted into an opening at the upper end of the first air outlet pipe, the top surface of the chute is provided with more than one air hole communicated with the air cavity, the upper end of the second air outlet pipe penetrates through the chute and is inserted into the air hole, and a third air outlet pipe is arranged on the top surface of the box body and positioned on the right side of the telescopic rod, and a second valve is arranged on the third air outlet pipe.
As the preferred technical scheme, the sliding groove is provided with a rectangular opening close to the sliding block, the size of the rectangular opening is matched with that of the sliding block, the vertical sections of the sliding block and the sliding groove are arranged in a dovetail structure, and the sliding block and the sliding groove are matched with each other.
As preferred technical scheme, the bracing piece is all installed perpendicularly at the horizontal pole both ends, and the bottom plate is all installed to the bracing piece lower extreme, all installs the inserted bar more than on the bottom surface of bottom plate, and the inserted bar lower extreme all inserts in soil.
As the preferred technical scheme, all install the rubber circle on the internal wall face of gas pocket, the outer wall face of second outlet duct offsets with the internal wall face of rubber circle.
As the preferred technical scheme, the inner wall surface of the first air outlet pipe is provided with internal threads, the outer wall surface of the second air outlet pipe is provided with external threads, the external threads on the second air outlet pipe are meshed with the internal threads on the first air outlet pipe, and the second air outlet pipe is also provided with more than one holding rod.
The utility model has the advantages that: the utility model discloses simple structure need not to use base and base, and the horizontal pole that the box passes through the upper end is fixed, and great reduction has avoided influencing the exactness of sampling data to the destruction of soil, and can carry out unified gas acquisition or independent gas acquisition, has increased the functionality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a bottom view of the middle cross bar of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1 and 2, the farmland greenhouse gas collecting device of the utility model comprises a cross bar 11 and more than one box body 1 which are transversely arranged above a farmland, wherein an air cavity 9 is arranged inside the cross bar 11, an exhaust pipe 13 communicated with the air cavity 9 is arranged on the right side surface of the cross bar 11, a first valve 14 is arranged on the exhaust pipe 13, a chute 12 is arranged on the bottom surface of the cross bar 11, the chute 12 and the air cavity 9 are oppositely arranged in parallel, telescopic rods 2 are all arranged on the top surface of the box body 1, sliders 8 are all arranged at the upper ends of the telescopic rods 2, the sliders 8 are all slidably arranged in the chute 12, a first air outlet pipe 5 is all arranged on the left side of the telescopic rods on the top surface of the box body 1, a second air outlet pipe 7 is all inserted into an opening at the upper end of the first air outlet pipe 5, more than one air hole 18 communicated with the air cavity is all arranged on the top surface, the top surface of box 1 all installs third outlet duct 4 on being located the right side of telescopic link 2, all installs second valve 3 on the third outlet duct 4.
In this embodiment, the sliding groove 12 is provided with a rectangular opening 19 near the sliding block 8, the size of the rectangular opening 19 is matched with the size of the sliding block 8, the vertical cross sections of the sliding block 8 and the sliding groove 12 are both arranged in a dovetail structure, the sliding block 8 and the sliding groove 12 are matched with each other, and the sliding block can be rapidly taken out along the rectangular opening.
In this embodiment, the bracing piece 15 is all installed perpendicularly at horizontal pole 11 both ends, and bottom plate 16 is all installed to bracing piece 15 lower extreme, all installs more than one inserted bar 17 on the bottom surface of bottom plate 16, and the inserted bar 17 lower extreme all inserts in soil.
In this embodiment, the inner wall surfaces of the air holes 18 are all provided with rubber rings, the outer wall surface of the second air outlet pipe 7 is abutted against the inner wall surfaces of the rubber rings, and the sealing performance between the second air outlet pipe and the air holes is improved through the rubber rings.
In this embodiment, all be equipped with the internal thread on the internal face of first outlet duct 5, all be equipped with the external screw thread on the outer wall of second outlet duct 7, the external screw thread on the second outlet duct 7 all is connected with the interior thread engagement on the first outlet duct 5, still all installs more than one holding rod 6 on the second outlet duct 7, has made things convenient for the rotation second outlet duct through the holding rod.
Wherein, the telescopic link includes inner tube and outer tube, and inner tube one end is inserted in the outer tube to it is fixed through outside bolt locking, consequently after the length adjustment of telescopic link, can fix a position the telescopic link.
When in use, the cross bar stretches across the farmland, the inserted bar at the lower end of the bottom plate is inserted into the lands at the two sides of the farmland, the slide block slides into the slide groove along the rectangular opening, after the completion, the height of the box body is adjusted through the telescopic rod, so that the box body covers the outside of the collected object, the bottom surface of the box body is propped against the soil at the lower end, the box body can be connected to the cross rod through the telescopic rod and the slide block, after the completion, the second air outlet pipe is rotated by the holding rod, the upper end of the second air outlet pipe is inserted into the air hole along the sliding groove, the first air outlet pipe and the second air outlet pipe are communicated with the air cavity, the box body can be fixed through the first air outlet pipe and the second air outlet pipe, the displacement of the box body is avoided, when uniform gas collection is carried out, the first valve is opened, the exhaust pipe is exhausted through the air exhaust device, and gas in the box body enters the gas cavity along the first air outlet pipe and the second air outlet pipe until the gas is uniformly exhausted along the exhaust pipe;
when carrying out independent collection, will twist out the second outlet duct from the gas pocket earlier to prepare a sealing plug, seal the opening of second outlet duct upper end, open the second valve again, thereby make the gas in the box along the independent discharge of third outlet duct, the sealing plug can be current rubber buffer.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a farmland greenhouse gas collection system which characterized in that: the agricultural air-conditioning device comprises a cross rod (11) transversely arranged above a farmland and more than one box body (1), wherein an air cavity (9) is arranged inside the cross rod (11), an exhaust pipe (13) communicated with the air cavity (9) is arranged on the right side surface of the cross rod (11), a first valve (14) is arranged on the exhaust pipe (13), a sliding chute (12) is arranged on the bottom surface of the cross rod (11), the sliding chute (12) and the air cavity (9) are oppositely arranged in parallel, telescopic rods (2) are all arranged on the top surface of the box body (1), sliding blocks (8) are all arranged at the upper ends of the telescopic rods (2), the sliding blocks (8) are all slidably arranged in the sliding chute (12), a first air outlet pipe (5) is arranged on the left side of each telescopic rod on the top surface of the box body (1), a second air outlet pipe (7) is all inserted into an opening at the upper end of each first air outlet, the upper end of the second air outlet pipe (7) penetrates through the sliding groove (12) and is inserted into the air hole (18), the top surface of the box body (1) is positioned on the right side of the telescopic rod (2) and is provided with a third air outlet pipe (4), and the third air outlet pipe (4) is provided with a second valve (3).
2. The agricultural greenhouse gas collection device of claim 1, wherein: the sliding groove (12) is provided with a rectangular opening (19) near the sliding block (8), the size of the rectangular opening (19) is matched with that of the sliding block (8), the vertical sections of the sliding block (8) and the sliding groove (12) are arranged in a dovetail structure, and the sliding block (8) and the sliding groove (12) are matched with each other.
3. The agricultural greenhouse gas collection device of claim 1, wherein: the supporting rods (15) are vertically arranged at two ends of the cross rod (11), the bottom plate (16) is arranged at the lower end of each supporting rod (15), more than one inserting rod (17) is arranged on the bottom surface of the bottom plate (16), and the lower ends of the inserting rods (17) are inserted into soil.
4. The agricultural greenhouse gas collection device of claim 1, wherein: the inner wall surfaces of the air holes (18) are all provided with rubber rings, and the outer wall surface of the second air outlet pipe (7) is abutted against the inner wall surfaces of the rubber rings.
5. The agricultural greenhouse gas collection device of claim 1, wherein: all be equipped with the internal thread on the internal face of first outlet duct (5), all be equipped with the external screw thread on the outer wall of second outlet duct (7), the external screw thread on second outlet duct (7) all is connected with the interior thread engagement on first outlet duct (5), still all installs holding rod (6) more than on second outlet duct (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021231945.1U CN212321208U (en) | 2020-06-29 | 2020-06-29 | Farmland greenhouse gas collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021231945.1U CN212321208U (en) | 2020-06-29 | 2020-06-29 | Farmland greenhouse gas collection system |
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| Publication Number | Publication Date |
|---|---|
| CN212321208U true CN212321208U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021231945.1U Active CN212321208U (en) | 2020-06-29 | 2020-06-29 | Farmland greenhouse gas collection system |
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| CN (1) | CN212321208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338112A (en) * | 2023-05-31 | 2023-06-27 | 东北农业大学 | Rice field methane emission detection control device and method |
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2020
- 2020-06-29 CN CN202021231945.1U patent/CN212321208U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338112A (en) * | 2023-05-31 | 2023-06-27 | 东北农业大学 | Rice field methane emission detection control device and method |
| CN116338112B (en) * | 2023-05-31 | 2023-08-15 | 东北农业大学 | Rice field methane emission detection control device and method |
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