CN217180133U

CN217180133U - Gas production box suitable for monitoring soil greenhouse gas of high-stalk crops

Info

Publication number: CN217180133U
Application number: CN202123418285.5U
Authority: CN
Inventors: 刘晓雨; 刘成; 张旭辉; 李恋卿; 潘根兴
Original assignee: Nanjing Agricultural University
Current assignee: Nanjing Agricultural University
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-12
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a gas production box suitable for monitoring soil greenhouse gas of high-stem crops, which comprises a box body and a base, wherein the bottom end of the box body is provided with a vent, the base is provided with a vertical through hole, and the vertical through hole is arranged corresponding to the vent; the top end of the base is provided with a sealed water tank which is circumferentially arranged along the vertical through hole, the bottom end of the box body is fixedly provided with a connecting part, the connecting part is matched with the sealed water tank, and the box body is detachably connected with the base through the connecting part and the sealed water tank; the middle part of one side wall of the box body and the middle part of one side wall of the base are both provided with vertical arc-shaped through grooves, and the vertical arc-shaped through grooves are used for being attached to plants; the box top has been seted up and has been gathered the hole, gathers downthehole valve of installing. The utility model discloses do not influence the crop normal growth, can gather the greenhouse gas who covers root system and the row space part soil production in half space of underground, gaseous representativeness is stronger. And the utility model discloses box and base are the independent structure, easy to assemble, transport and storage.

Description

Gas production box suitable for monitoring soil greenhouse gas of high-stalk crops

Technical Field

The utility model relates to a gaseous monitoring technology field especially relates to a gas production case suitable for monitoring of high-stalk crop soil greenhouse gas.

Background

Static dark box-gas chromatography is the most common method for monitoring greenhouse gases in farmland of a land ecosystem, and the current sampling box is mostly suitable for low vegetation. For high-stem crops (such as corn), greenhouse gases cannot be collected by plants of crops such as wheat, and if a sampling box of plant rhizosphere, plant space and the whole plant needs to be covered at the same time, and the plants are not damaged, the method is not easy to realize; if the height of the sampling box is designed to be slightly higher than that of the plant, the defects are that the box is too large in size, the operation is not convenient, and the sensitivity of detecting gas flux is low. Thus, greenhouse gas emissions from existing high stalk crop field soils are typically collected and monitored in inter-row soils.

However, the current static boxes for collecting greenhouse gases in rows cannot well collect greenhouse gases at the roots of high-stalk crops and surrounding soil farmland, and the gas emission flux is poor in representativeness. Can underestimate the contribution of the greenhouse effect of a farmland system and is not beneficial to the accurate assessment of the agricultural greenhouse gas emission.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gas production case suitable for monitoring of high-stalk crop soil greenhouse gas to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a gas production box suitable for monitoring greenhouse gas in soil of high-stem crops, which comprises a box body and a base, wherein the bottom end of the box body is provided with a vent, the base is provided with a vertical through hole, and the vertical through hole is arranged corresponding to the vent; the top end of the base is provided with a sealed water tank which is circumferentially arranged along the vertical through hole, the bottom end of the box body is fixedly connected with a connecting part, the connecting part is matched with the sealed water tank, and the box body is detachably connected with the base through the connecting part and the sealed water tank; the middle part of one side wall of the box body and the middle part of one side wall of the base are both provided with vertical arc-shaped through grooves, and the vertical arc-shaped through grooves are used for being attached to plants; the top of the box body is provided with a collecting hole, and a valve is arranged in the collecting hole.

Preferably, a heat insulation layer is fixedly arranged on the outer wall of the box body.

Preferably, the heat insulation layer comprises heat insulation sponge and reflective tinfoil, and the heat insulation sponge is arranged between the reflective tinfoil and the box body.

Preferably, the connecting part comprises a baffle fixedly connected to the bottom of the box body, the baffle is inserted into the sealed water tank, and the baffle is of a closed annular structure.

Preferably, a mounting groove is formed in the groove wall of the sealed water tank, a positioning ball head is connected in the mounting groove in a sliding manner, a positioning ball groove is formed in the baffle, the positioning ball head is matched with the positioning ball groove, a telescopic rod is fixedly connected to the bottom of the mounting groove, and the tail end of the telescopic rod is fixedly connected with the positioning ball head; the telescopic rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the positioning ball head and the bottom of the mounting groove.

Preferably, the box body and the base are both in a semi-circular structure, and the vertical arc-shaped through groove is formed in the side wall of the vertical plane of the box body and the base; the base bottom fixedly connected with supports the forward position and supports the back porch, support the forward position and be located the vertical plane lateral wall below of base, support the back porch and be located the curved surface lateral wall below of base.

Preferably, a handle is fixedly connected to the curved side wall of the box body.

Preferably, the temperature measuring hole has been seted up on the box top, can dismantle in the temperature measuring hole and be connected with sealed rubber buffer, the connecting hole has been seted up at sealed rubber buffer middle part, sealed rubber buffer passes through the connecting hole can be dismantled and be connected with the thermometer.

The utility model discloses a following technological effect: the utility model provides a gas production case suitable for monitoring of high-stalk crop soil greenhouse gas can gather the greenhouse gas who covers the root system production in the half space of underground and the greenhouse gas that the space part soil in the line produced, and gaseous representativeness is stronger, and does not influence the normal growth of crop. And the utility model discloses box and base are the independent structure, easy to assemble, transport and storage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 structural view of the gas production box of the present invention;

FIG. 2 is a schematic structural view of the box body of the present invention;

FIG. 3 is a schematic structural view of the base of the present invention;

FIG. 4 is a schematic view of the connection between the box body and the base of the present invention;

FIG. 5 is an enlarged view of a portion of A in FIG. 4;

the device comprises a box body-1, a base-2, a sealed water tank-3, a vertical arc-shaped through groove-4, a valve-5, a heat insulation sponge-6, a reflective tinfoil-7, a baffle-8, a mounting groove-9, a positioning ball head-10, a positioning ball groove-11, a telescopic rod-12, a spring-13, a supporting front edge-14, a supporting rear edge-15, a handle-16, a sealing rubber plug-17 and a thermometer-18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model provides a gas production box suitable for monitoring greenhouse gas in soil of high-stem crops, which comprises a box body 1 and a base 2, wherein the bottom end of the box body 1 is provided with a vent, the base 2 is provided with a vertical through hole, and the vertical through hole is arranged corresponding to the vent; the top end of the base 2 is provided with a sealing water tank 3, the sealing water tank 3 is circumferentially arranged along the vertical through hole, the bottom end of the box body 1 is fixedly connected with a connecting part, the connecting part is matched with the sealing water tank 3, and the box body 1 is detachably connected with the base 2 through the connecting part and the sealing water tank 3; the middle part of one side wall of the box body 1 and the middle part of one side wall of the base 2 are both provided with vertical arc-shaped through grooves 4, and the vertical arc-shaped through grooves 4 are used for being attached to plants; the top of the box body 1 is provided with a collecting hole, and a valve 5 is arranged in the collecting hole.

Further, in order to prevent the gas collection from being influenced by overhigh temperature in the box body 1, a heat insulation layer is fixedly arranged on the outer wall of the box body 1; the heat insulation layer comprises heat insulation sponge 6 and reflective tinfoil 7, and the heat insulation sponge 6 is arranged between the reflective tinfoil 7 and the box body 1.

Further, for conveniently carrying out being connected between box 1 and base 2, connecting portion include fixed connection at the baffle 8 of box 1 bottom, and baffle 8 is pegged graft in sealed basin 3, and baffle 8 is for closing a mouthful annular structure.

Further, when the air pressure in the box body 1 rises, in order to ensure the stability of the connection between the box body 1 and the base 2, a mounting groove 9 is formed in the wall of the sealed water tank 3, a positioning ball head 10 is connected in the mounting groove 9 in a sliding manner, a positioning ball groove 11 is formed in the baffle 8, the positioning ball head 10 is matched with the positioning ball groove 11, a telescopic rod 12 is fixedly connected to the bottom of the mounting groove 9, and the tail end of the telescopic rod 12 is fixedly connected with the positioning ball head 10; the telescopic rod 12 is sleeved with a spring 13, and two ends of the spring 13 are respectively fixedly connected with the positioning ball 10 and the bottom of the mounting groove 9. When the box body 1 is installed, the bottom of the box body 1 is inserted into the sealed water tank 3, when the baffle 8 is in contact with the positioning ball head 10, the positioning ball head 10 is extruded into the installation groove 9 under the action of the baffle 8, the telescopic rod 12 is shortened at the moment, the spring 13 is compressed, when the bottom surface of the box body 1 is in contact with the top surface of the base 2, the positioning ball head 10 corresponds to the positioning ball groove 11 on the baffle 8, the positioning ball head 10 pops out under the action of the spring 13 and enters the positioning ball groove 11 to play a certain limiting role for the box body 1, when the box body 1 and the base 2 need to be disassembled, the box body 1 only needs to be pulled upwards by force, so that the box body 1 can be separated from the base 2, and the influence of the positioning ball head 10 cannot be caused; meanwhile, the maximum length of the telescopic rod 12 is matched with the groove depth of the mounting groove 9, and the influence on the mounting of the baffle 8 caused by the overlong extending distance of the positioning ball head 10 is avoided.

Further, in order to avoid the influence of the gas production box on the normal growth of plants in the use process, the box body 1 and the base 2 are both in a semi-circular structure, and the vertical arc-shaped through grooves 4 are arranged on the side walls of the vertical planes of the box body 1 and the base 2; the bottom end of the base 2 is fixedly connected with a supporting front edge 14 and a supporting rear edge 15, the supporting front edge 14 is located below the side wall of the vertical plane of the base 2, the supporting rear edge 15 is located below the side wall of the curved surface of the base 2, the height of the supporting front edge 14 is 5cm, and the height of the supporting rear edge 15 is 10 cm.

Further, in order to facilitate the carrying of the box 1, a handle 16 is fixedly connected to the curved side wall of the box 1.

Further, for conveniently detecting the temperature in the box body 1, a temperature measuring hole is formed in the top end of the box body 1, a sealing rubber plug 17 is detachably connected in the temperature measuring hole, the temperature measuring hole can be sealed by the sealing rubber plug 17, a connecting hole is formed in the middle of the sealing rubber plug 17, and the sealing rubber plug 17 is detachably connected with a temperature detector 18 through the connecting hole so as to prevent gas from escaping from the temperature measuring hole and the connecting hole.

The utility model provides a gas production case suitable for monitoring of high-stem crop soil greenhouse gas, when using, at first carry out laying of base 2, it is fixed with base 2's support back edge 15 buries soil to make vertical arc on the base 2 lead to groove 4 and the laminating of plant stem, because support the leading edge 14 than support back edge 15 highly little, consequently support the setting of leading edge 14 and can not obstruct the plant root system to base 2 below growth. After base 2 installation is accomplished, fill up water in the sealed basin 3 to base 2 top, then in pegging graft sealed basin 3 with baffle 8 of box 1 bottom, when baffle 8 inserted sealed basin 3, some water in the sealed basin 3 can be discharged, utilize the water in the sealed basin 3 to seal between box 1 and the base 2, prevent that the greenhouse gas that the farmland discharged from escaping box 1, influence the accuracy of testing result. When the gas in the box body 1 needs to be detected, the gas in the box body 1 can be collected by connecting the sampling needle with the valve 5 at the top of the box body 1 and opening the valve 5.

The utility model provides a gas production case can gather the greenhouse gas who covers the greenhouse gas that the root system in half space of underground produced and the partial soil in space between the line produced, and gaseous representativeness is stronger, and does not influence the crop normal growth. And the utility model discloses box 1 and base 2 are independent structure, easy to assemble, transport and storage.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so 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.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The gas production box suitable for monitoring the greenhouse gas in the soil of the high-stem crops is characterized by comprising a box body (1) and a base (2), wherein a vent hole is formed in the bottom end of the box body (1), a vertical through hole is formed in the base (2), and the vertical through hole and the vent hole are correspondingly arranged; a sealing water tank (3) is arranged at the top end of the base (2), the sealing water tank (3) is circumferentially arranged along the vertical through hole, a connecting part is fixedly connected to the bottom end of the box body (1), the connecting part is matched with the sealing water tank (3), and the box body (1) is detachably connected with the base (2) through the connecting part and the sealing water tank (3); vertical arc-shaped through grooves (4) are formed in the middle of one side wall of the box body (1) and the middle of one side wall of the base (2), and the vertical arc-shaped through grooves (4) are used for being attached to plants; the top of the box body (1) is provided with a collecting hole, and a valve (5) is arranged in the collecting hole.

2. The gas production box suitable for monitoring the greenhouse gases in the soil of the high-stalk crops as claimed in claim 1, wherein the outer wall of the box body (1) is fixedly provided with a heat insulation layer.

3. The gas production box suitable for soil greenhouse gas monitoring of high-stem crops as claimed in claim 2, wherein the thermal insulation layer comprises a thermal insulation sponge (6) and reflective tinfoil (7), the thermal insulation sponge (6) is arranged between the reflective tinfoil (7) and the box body (1).

4. The gas production box suitable for monitoring greenhouse gases in soil of high-stalk crops as claimed in claim 1, wherein the connecting part comprises a baffle (8) fixedly connected to the bottom of the box body (1), the baffle (8) is inserted into the sealed water tank (3), and the baffle (8) is of a closed annular structure.

5. The gas production box suitable for monitoring greenhouse gases in soil of high-stalk crops as claimed in claim 4, wherein a mounting groove (9) is formed in the wall of the sealed water tank (3), a positioning ball head (10) is slidably connected in the mounting groove (9), a positioning ball groove (11) is formed in the baffle plate (8), the positioning ball head (10) is matched with the positioning ball groove (11), a telescopic rod (12) is fixedly connected to the bottom of the mounting groove (9), and the end of the telescopic rod (12) is fixedly connected with the positioning ball head (10); the telescopic rod (12) is sleeved with a spring (13), and two ends of the spring (13) are respectively fixedly connected with the positioning ball head (10) and the bottom of the mounting groove (9).

6. The gas production box suitable for monitoring greenhouse gases in soil of high-stalk crops as claimed in claim 1, wherein the box body (1) and the base (2) are both of a semi-circular structure, and the vertical arc through grooves (4) are arranged on the vertical plane side walls of the box body (1) and the base (2); base (2) bottom fixedly connected with supports leading edge (14) and supports back porch (15), support leading edge (14) and be located the vertical plane lateral wall below of base (2), support back porch (15) and be located the curved surface lateral wall below of base (2).

7. The gas production box suitable for monitoring greenhouse gases in the soil of high-stalk crops as claimed in claim 6, wherein a handle (16) is fixedly connected to the curved side wall of the box body (1).

8. The gas production box suitable for monitoring the soil greenhouse gases of the high-stem crops as claimed in claim 1, wherein the top end of the box body (1) is provided with a temperature measuring hole, a sealing rubber plug (17) is detachably connected in the temperature measuring hole, the middle part of the sealing rubber plug (17) is provided with a connecting hole, and the sealing rubber plug (17) is detachably connected with a temperature detector (18) through the connecting hole.