CN219038541U

CN219038541U - Greenhouse gas sampling device

Info

Publication number: CN219038541U
Application number: CN202223352634.2U
Authority: CN
Inventors: 刘宏元; 李新华; 李英; 王娜娜; 王艳君
Original assignee: Shandong Academy of Agricultural Sciences
Current assignee: Shandong Academy of Agricultural Sciences
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-16
Anticipated expiration: 2032-12-13

Abstract

The greenhouse gas sampling device comprises a round barrel, wherein two ends of the round barrel are transparent, a plurality of through grooves are formed in the side wall of the round barrel along the circumferential direction, lifting mechanisms are arranged in the through grooves, a static box is arranged in the round barrel, and the side wall of the static box is fixedly connected with the lifting mechanisms; the bottom of the outer wall of the barrel is provided with a fixing component; the top surface of the static box is fixedly provided with a vacuum pump, the air inlet end of the vacuum pump is communicated with the air outlet end of the static box, the air outlet end of the vacuum pump is communicated with a rubber tube, and one end of the rubber tube, which is far away from the vacuum pump, is communicated with an air bag; the top surface of the static box is also fixedly provided with a power supply mechanism which is electrically connected with the vacuum pump; the utility model can effectively fix the static box on the ground, and simultaneously can firmly insert the bottom end of the static box into soil, thereby ensuring the tightness of the static box and ensuring more accurate collected greenhouse gas data.

Description

Greenhouse gas sampling device

Technical Field

The utility model relates to the technical field of gas collection devices, in particular to a greenhouse gas sampling device.

Background

With the continuous development of industrial economies, greenhouse gases are increasing, global warming has become a common concern for countries around the world, and research has shown that greenhouse gases, such as methane, carbon dioxide, etc., are generated and evolved in soil due to the presence of microorganisms. The composition and the content of the greenhouse gases escaping from the soil can reflect the physicochemical state of the soil, so that the research on the gases escaping from the soil has important significance for understanding the physicochemical properties of the soil.

When collecting soil greenhouse gas, generally adopt static case method, detain static case and put on the soil, the gas that overflows in the soil can just enter into static case, and then realize the collection of greenhouse gas, but when static case was placed on the soil, it is not very firm, receive strong wind weather or human factor influence easily, lead to static case to be removed or turn on one's side, the greenhouse gas data of collection is inaccurate, also can not be in the soil of static case impressing through the mode of pressing simultaneously, because lead to static case damage easily, consequently, need one kind can fix static case to can be with the device of static case bottom firm in inserting soil.

Disclosure of Invention

The utility model aims to provide a greenhouse gas sampling device which solves the problems in the prior art.

The greenhouse gas sampling device comprises a round barrel, wherein two ends of the round barrel are transparent, a plurality of through grooves are formed in the side wall of the round barrel along the circumferential direction, lifting mechanisms are arranged in the through grooves, a static box is arranged in the round barrel, and the side wall of the static box is fixedly connected with the lifting mechanisms; the bottom of the outer wall of the barrel is provided with a fixing component; the top surface of the static box is fixedly provided with a vacuum pump, the air inlet end of the vacuum pump is communicated with the air outlet end of the static box, the air outlet end of the vacuum pump is communicated with a rubber tube, and one end, far away from the vacuum pump, of the rubber tube is communicated with an air bag; the top surface of the static box is also fixedly provided with a power supply mechanism, and the power supply mechanism is electrically connected with the vacuum pump.

Preferably, the lifting mechanism comprises a screw rod vertically rotatably arranged in the through groove, a sliding block is connected to the screw rod in a threaded manner, and the sliding block is fixedly connected with the side wall of the static box through a connecting block; the top of the outer wall of the barrel is fixedly connected with an upper annular plate, driving components are arranged at positions, corresponding to the screw rods, of the top surface of the upper annular plate, and the top end of the screw rod penetrates through the top end surface of the barrel from bottom to top and is in transmission connection with the driving components.

Preferably, the driving assembly comprises a vertical plate fixedly connected to the top surface of the upper annular plate, a transverse plate is horizontally fixedly connected to the top end of the vertical plate, a rotating shaft is rotatably arranged between the transverse plate and the upper annular plate, a first gear is fixedly sleeved on the rotating shaft, a second gear is fixedly connected to the top end of the screw rod, the first gear is meshed with the second gear, and the top end of the rotating shaft penetrates through the transverse plate from bottom to top and is fixedly connected with a rotating handle.

Preferably, the fixed component comprises a lower annular plate fixedly connected to the bottom of the outer wall of the barrel, a plurality of through holes are formed in the top surface of the lower annular plate along the circumferential direction, inserted bars are arranged in the through holes in a penetrating mode, and foot pedals are fixedly connected to the top ends of the inserted bars.

Preferably, the power supply mechanism comprises a storage battery fixedly mounted on the top surface of the static box, a solar panel is fixedly mounted on the top surface of the storage battery, and the solar panel is electrically connected with the storage battery.

Preferably, the bottom end of the inserted link is sharp.

The utility model discloses the following technical effects:

the utility model can effectively fix the static box on the ground, avoids the situation that the static box is turned over by strong wind or is touched by personnel by mistake to generate movement to a certain extent, and simultaneously can firmly insert the bottom end of the static box into soil, thereby ensuring the tightness of the static box and ensuring more accurate collected greenhouse gas data.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the internal structure of the present utility model;

fig. 2 is an enlarged partial view of the portion a of fig. 1 in accordance with the present utility model.

Wherein:

1. a drum; 2. a through groove; 3. a static box; 4. a vacuum pump; 5. a rubber tube; 6. an air bag; 7. a screw; 8. a slide block; 9. a connecting block; 10. an upper ring plate; 11. a riser; 12. a cross plate; 13. a rotating shaft; 14. a first gear; 15. a second gear; 16. rotating the handle; 17. a lower ring plate; 18. a through hole; 19. a rod; 20. a foot pedal; 21. a storage battery; 22. a solar cell panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-2, a greenhouse gas sampling device comprises a barrel 1, wherein two ends of the barrel 1 are transparent, a plurality of through grooves 2 are formed in the side wall of the barrel 1 along the circumferential direction, lifting mechanisms are arranged in the through grooves 2, a static tank 3 is arranged in the barrel 1, and the side wall of the static tank 3 is fixedly connected with the lifting mechanisms; the bottom of the outer wall of the barrel 1 is provided with a fixing component; the top surface of the static box 3 is fixedly provided with a vacuum pump 4, the air inlet end of the vacuum pump 4 is communicated with the air outlet end of the static box 3, the air outlet end of the vacuum pump 4 is communicated with a rubber tube 5, and one end, far away from the vacuum pump 4, of the rubber tube 5 is communicated with an air bag 6; the top surface of the static box 3 is also fixedly provided with a power supply mechanism which is electrically connected with the vacuum pump 4.

The cask 1 is vertical to be set up, the length direction of logical groove 2 is on a parallel with the axis of cask 1, the length of logical groove 2 needs to guarantee that static case 3 can have sufficient space to reciprocate, and the bottom of static case 3 can descend to cask 1 bottom face below, fixed subassembly can fix cask 1 on the soil, elevating system can drive static case 3 and reciprocate, can make static case 3 bottom tightly insert in the soil, guarantee the gas tightness of static case 3, power supply mechanism can give vacuum pump 4 power supply, vacuum pump 4 can withhold the greenhouse gas in the soil in the within range with static case 3 and draw out, then enter into in the air pocket 6 through rubber tube 5, accomplish the collection.

According to a further optimized scheme, the lifting mechanism comprises a screw rod 7 vertically and rotatably arranged in the through groove 2, a sliding block 8 is connected to the screw rod 7 in a threaded manner, and the sliding block 8 is fixedly connected with the side wall of the static box 3 through a connecting block 9; the top of the outer wall of the barrel 1 is fixedly connected with an upper annular plate 10, the top surface of the upper annular plate 10 is provided with driving components at positions corresponding to a plurality of screws 7, and the top ends of the screws 7 penetrate through the top end surface of the barrel 1 from bottom to top and are in transmission connection with the driving components.

The number of the lifting mechanisms is preferably two, the upper annular plate 10 is horizontally arranged, the axis of the upper annular plate is coincident with that of the barrel 1, the axis of the screw 7 is parallel to that of the barrel 1, the driving assembly drives the screw 7 to rotate, the sliding block 8 is driven to move up and down, and the sliding block 8 drives the static box 3 to move up and down through the connecting block 9.

Further optimizing scheme, drive assembly includes riser 11 of rigid coupling top surface at last crown plate 10, and riser 11 top level rigid coupling has diaphragm 12, rotates between diaphragm 12 and the last crown plate 10 and installs pivot 13, and the fixed cover is equipped with first gear 14 on the pivot 13, and the top rigid coupling of screw rod 7 has second gear 15, and first gear 14 meshes with second gear 15, and the top of pivot 13 runs through diaphragm 12 from bottom to top and the rigid coupling has rotatory handle 16.

The axis of the rotating shaft 13 is parallel to the axis of the screw rod 7, and a user can manually rotate the rotating handle 16 to drive the rotating shaft 13 to rotate, and when the rotating shaft 13 rotates, the first gear 14 drives the second gear 15 to rotate, so that the screw rod 7 is driven to rotate.

Further optimizing scheme, fixed subassembly includes the lower annular plate 17 of rigid coupling in cask 1 outer wall bottom, and a plurality of through-hole 18 have been seted up along circumference to lower annular plate 17 top surface, wears to be equipped with inserted bar 19 in the through-hole 18, and inserted bar 19 top rigid coupling has running-board 20.

The lower annular plate 17 is parallel to the upper annular plate 10, the bottom surface of the lower annular plate 17 is flush with the bottom end surface of the barrel 1, the inserted link 19 is vertically arranged, a user can step on the presser foot pedal 20 with foot force, the inserted link 19 is inserted into soil until the pedal 20 is abutted with the lower annular plate 17, and therefore under the fixation of a plurality of inserted links 19, the barrel 1 is firmly fixed on the soil, the static box 3 is guaranteed not to be easy to topple over, and meanwhile, the supporting force for downwards inserting the static box 3 into the soil can be provided.

In a further optimized scheme, the power supply mechanism comprises a storage battery 21 fixedly arranged on the top surface of the static box 3, a solar panel 22 is fixedly arranged on the top surface of the storage battery 21, and the solar panel 22 is electrically connected with the storage battery 21.

The solar panel 22 may convert solar energy into electric energy and store the electric energy in the storage battery 21, and the storage battery 21 is electrically connected to the vacuum pump 4 to supply electric power to the vacuum pump 4.

Further optimizing scheme, the bottom of inserted bar 19 is sharp-pointed, and the inserted bar can make the inserted bar insert in the soil more easily in the bottom of inserted bar 19 is sharp-pointed.

When the utility model is used, the device is placed on the ground to be collected, all the foot pedals 20 are pressed by feet to enable all the inserted rods 19 to be inserted into the soil, then all the rotary handles 16 are rotated simultaneously to enable the static box 3 to descend until the bottom end surface of the static box 3 is firmly inserted into the soil, the direction of the solar cell panel 22 is adjusted, the vacuum pump 4 is turned on, and greenhouse gases are sucked out of the soil and collected in the air bags 6; after collection, the vacuum pump is turned off, the rotary handle 16 is turned to leave the static tank 3 from the soil, and the plunger 19 is pulled out of the soil.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A greenhouse gas sampling apparatus, comprising: the novel lifting device comprises a round barrel (1), wherein two ends of the round barrel (1) are transparent, a plurality of through grooves (2) are formed in the side wall of the round barrel (1) along the circumferential direction, lifting mechanisms are arranged in the through grooves (2), a static box (3) is arranged in the round barrel (1), and the side wall of the static box (3) is fixedly connected with the lifting mechanisms; the bottom of the outer wall of the barrel (1) is provided with a fixing component; the top surface of the static box (3) is fixedly provided with a vacuum pump (4), the air inlet end of the vacuum pump (4) is communicated with the air outlet end of the static box (3), the air outlet end of the vacuum pump (4) is communicated with a rubber tube (5), and one end, far away from the vacuum pump (4), of the rubber tube (5) is communicated with an air bag (6); the top surface of the static box (3) is also fixedly provided with a power supply mechanism, and the power supply mechanism is electrically connected with the vacuum pump (4).

2. A greenhouse gas sampling apparatus according to claim 1, wherein: the lifting mechanism comprises a screw rod (7) vertically rotatably arranged in the through groove (2), a sliding block (8) is connected to the screw rod (7) in a threaded mode, and the sliding block (8) is fixedly connected with the side wall of the static box (3) through a connecting block (9); the top of the outer wall of the barrel (1) is fixedly connected with an upper annular plate (10), driving components are arranged at positions, corresponding to the screw rods (7), of the top surface of the upper annular plate (10), and the top end of each screw rod (7) penetrates through the top end surface of the barrel (1) from bottom to top and is in transmission connection with the driving components.

3. A greenhouse gas sampling apparatus according to claim 2, wherein: the driving assembly comprises a vertical plate (11) fixedly connected to the top surface of the upper annular plate (10), a transverse plate (12) is horizontally fixedly connected to the top end of the vertical plate (11), a rotating shaft (13) is rotatably arranged between the transverse plate (12) and the upper annular plate (10), a first gear (14) is fixedly sleeved on the rotating shaft (13), a second gear (15) is fixedly connected to the top end of the screw (7), the first gear (14) is meshed with the second gear (15), and the top end of the rotating shaft (13) penetrates through the transverse plate (12) from bottom to top and is fixedly connected with a rotating handle (16).

4. A greenhouse gas sampling apparatus according to claim 1, wherein: the fixing assembly comprises a lower annular plate (17) fixedly connected to the bottom of the outer wall of the barrel (1), a plurality of through holes (18) are formed in the top surface of the lower annular plate (17) along the circumferential direction, inserted bars (19) are arranged in the through holes (18) in a penetrating mode, and foot pedals (20) are fixedly connected to the top ends of the inserted bars (19).

5. A greenhouse gas sampling apparatus according to claim 1, wherein: the power supply mechanism comprises a storage battery (21) fixedly arranged on the top surface of the static box (3), a solar panel (22) is fixedly arranged on the top surface of the storage battery (21), and the solar panel (22) is electrically connected with the storage battery (21).

6. The greenhouse gas sampling apparatus according to claim 4, wherein: the bottom end of the inserted link (19) is sharp.