CN210923204U - Greenhouse gas collection system cultivated in a pot - Google Patents
Greenhouse gas collection system cultivated in a pot Download PDFInfo
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- CN210923204U CN210923204U CN201921977880.2U CN201921977880U CN210923204U CN 210923204 U CN210923204 U CN 210923204U CN 201921977880 U CN201921977880 U CN 201921977880U CN 210923204 U CN210923204 U CN 210923204U
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- greenhouse gas
- sampling box
- box
- gas collection
- bottom plate
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Abstract
The utility model discloses a greenhouse gas collection system cultivated in a pot aims at solving current device when the greenhouse gas cultivated in a pot of crops such as tobacco gathers, and plant height adaptability is poor, influence the technical problem of testing result. The utility model comprises a bottom plate and a sampling box; the bottom plate is provided with a hole; the sampling box is also provided with an air exhaust hole, and an air exhaust pipe is fixedly connected to the air exhaust hole; plant perforations are arranged at the upper part of the sampling box, and an opening is formed at the lower part of the sampling box; a flange is further arranged on the periphery of the opening at the lower part of the sampling box, and the shape or size of the flange is matched with that of the bottom plate; the sampling box comprises a left cover box and a right cover box which can be separated; and the bottom of the flange and the bottom plate are provided with matched sealing strips. The utility model is simple in operation, convenient, save the cost, and do not receive open-air environmental factor to disturb, can research the influence of different factors to farmland greenhouse gas emission convenient and fast ground.
Description
Technical Field
The utility model relates to a farmland greenhouse gas collection system technical field, concretely relates to greenhouse gas collection system cultivated in a pot suitable for crops such as tobacco.
Background
Carbon dioxide, nitrous oxide and methane are important greenhouse gases and have a strong impact on global climate change. Agriculture is an important source of emissions and absorption sink for greenhouse gases. Monitoring the greenhouse gas emission of the farmland ecosystem is beneficial to understanding farmland CO2、N2O is discharged and CH4The law is diminished, so that the model prediction capability of greenhouse gas emission is improved, and a theoretical basis is provided for reducing the greenhouse gas emission of the farmland by adopting reasonable measures.
The basin body that experimental greenhouse gas discharged cultivated in a pot of current survey needs to be customized according to sampling device is special, and the structure is comparatively complicated. At present, most greenhouse gas sampling devices are used for covering crops in a static box, but the greenhouse gas sampling devices are only suitable for crops with lower plant heights, and the plants are easy to damage when the plants with too high plant heights are measured. In addition, most sampling boxes are formed by adding water into a water tank and sealing, such as the application of the novel patent document CN204594763U, the moisture content on the surface of soil is changed, the emission of greenhouse gases is affected, and errors are brought to the measurement result.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a greenhouse gas collection system cultivated in a pot to when the greenhouse gas collection cultivated in a pot of the crop such as tobacco of current device is solved in phase, the problem of plant height adaptability poor, influence testing result.
In order to solve the technical problem, the utility model adopts the following technical scheme:
designing a potted greenhouse gas collection device, which comprises a bottom plate and a sampling box; the bottom plate is provided with a hole; the sampling box is also provided with an air exhaust hole, and an air exhaust pipe is fixedly connected to the air exhaust hole; plant perforations are arranged at the upper part of the sampling box, and an opening is formed at the lower part of the sampling box; a flange is further arranged on the periphery of the opening at the lower part of the sampling box, and the shape or size of the flange is matched with that of the bottom plate; the sampling box comprises a left cover box and a right cover box which can be separated; and the bottom of the flange and the bottom plate are provided with matched sealing strips.
Preferably, the flange and the bottom plate are fixedly connected through a clamping component.
Preferably, the left cover box and the right cover box are detachably connected through a buckle component.
Preferably, the free end of the exhaust tube is connected with a three-way valve A, and the three-way valve A is hermetically connected with an injector connected with a three-way valve B and used for extracting gas in the box.
Preferably, a fan is arranged in the sampling box.
Preferably, the bottom plate is provided with a hole in which a sealing strip is arranged for sealing the bottom plate and the pot body.
Preferably, a thermometer is arranged on the sampling box.
Preferably, a handle is arranged on the sampling box.
Preferably, the sampling box is wrapped by a heat-insulating layer.
Furthermore, the insulating layer is made of aluminum foil cloth or sponge.
Compared with the prior art, the utility model discloses a main beneficial technological effect lies in:
1. the sampling box of the utility model comprises a left cover box and a right cover box which can be split, when the plant is higher, the damage of the plant caused by the traditional cover-buckling plant can be avoided; plant perforation on the sampling box can enable a higher plant to penetrate through the box body, and the adaptability to the height of crops is strong; by adopting the sealing strip for sealing, the test error caused by the increase of the moisture on the surface layer of the soil due to water sealing can be avoided.
2. The utility model is simple in operation, the base is portable to be applicable to the basin body on the market, convenient, save the cost, and not disturbed by field environment factor, can research the influence of different factors to farmland greenhouse gas emission convenient and fast ground.
Drawings
Fig. 1 is a schematic structural diagram of the bottom plate of the present invention.
Fig. 2 is a schematic view of the use of the bottom plate of the present invention.
FIG. 3 is a schematic structural view of the sampling box of the present invention; wherein the dashed lines indicate the internal structure.
Fig. 4 is a schematic structural view of the left cover box of the present invention.
Fig. 5 is a schematic structural view of the right cover box of the present invention.
Fig. 6 is a schematic view of the overall structure of the present invention.
Fig. 7 is a schematic view of the overall use of the present invention.
In the above figures, 0 is the crop plant and 01 is the pot body; 1 is a bottom plate, 11 is a hole, and 12 is a sealing strip; 2, a sampling box, 21, 22, 23, 24, 25, 26, 27, 28, 29, a left cover box, 22, a right cover box, a buckle, plant perforations, an opening, a flange, a handle, an exhaust tube and a thermometer; 3 is a clip; 4 is a fan.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
The components and structures or unit modules referred to in the following examples are all conventional commercially available products unless otherwise specified.
Example 1: greenhouse gas collection system cultivated in a pot
The potted greenhouse gas collection device comprises a bottom plate 1 and a sampling box 2.
Referring to fig. 1 and 2, the bottom plate 1 is a 600 mm × 600 mm square stainless steel plate with a thickness of 1 mm, and is provided with a hole 11, the hole 11 is matched with an opening of the pot body 01, a crop plant 0 in the pot passes through the hole 11, a sealing strip 12 is arranged on the periphery of the bottom plate 1, and a sealing strip is arranged on the periphery of the hole 11, so that the bottom plate 1 and the pot body 01 are sealed.
Referring to fig. 3-6, the sampling box 2 is a cuboid made of 1 mm thick stainless steel plates and with the inner diameter of 600 mm × 600 mm × 300 mm, and comprises a left cover box 21 and a right cover box 22 which are detachably connected through a buckle 23, the upper portion of the sampling box 2 is provided with a plant perforation 24, the lower portion of the sampling box 2 is provided with an opening 25, the lower portion of the sampling box 2 is also provided with a flange 26, the flange 26 is matched with the bottom plate 1 in shape or size, a sealing strip matched with the sealing strip 12 on the periphery of the bottom plate 1 is arranged on the periphery of the flange 26, and the flange 26 and the bottom plate 1 are fixedly connected through a clamp 3.
The upper part of the sampling box 2 is provided with a handle 27, which is convenient for lifting or disassembling the left cover box 21 and the right cover box 22.
A fan 4 is arranged in the sampling box 2, and the power supply of the fan 4 is a 5V rechargeable battery, so that gas in the sampling box can be uniformly mixed.
The sampling box 2 is also provided with an air exhaust hole, and an air exhaust pipe 28 is fixedly connected to the air exhaust hole. The outer end of the exhaust tube 28 is fixedly connected with a three-way valve A, a first valve port of the three-way valve A is communicated with the exhaust tube 28, and the exhaust tube is a silicone tube. The syringe is connected with the first valve port of the three-way valve B. When gas needs to be collected, the three-way valves A and B are controlled, so that the third valve port of the three-way valve B is connected with the second valve port of the three-way valve A, and the exhaust tube is communicated with the inner cavity of the needle cylinder. In order to exhaust the miscellaneous gas in the exhaust pipe, a pipe of gas is exhausted by a needle pipe, then a three-way valve A is controlled to prevent the gas production pipe from being communicated with the outside air, a three-way valve B is controlled to exhaust the collected first pipe of gas, then the three-way valve A is controlled to prevent the needle pipe from being communicated with the inner cavity of the sampling box, the needle pipe pumps the gas to be collected into the pipe body of the needle pipe, and then the three-way valve A is controlled to prevent the gas exhaust pipe from being communicated with the outside air, thus the collection is completed. The syringe is a 50 mL plastic syringe.
Still fixed mounting has thermometer 29 on sampling box 2, and thermometer 29's inductive probe is located sampling box 2, and other end survey position is outside sampling box 2 for the thermometer connects the survey temperature.
Example 2: greenhouse gas collection system cultivated in a pot
The difference from example 1 is that:
the outer surface of the sampling box 2 is coated with a heat-insulating layer. The heat preservation layer adopts the sponge with the thickness of 50 mm, and the sponge is coated on the outer surface of the collection box 2 through glue, so that the heat insulation effect is achieved. The outer surface of the sponge is also wrapped with a layer of aluminum foil cloth, so that the temperature change in the collection box caused by solar irradiation is avoided.
The operation and use method of the potted greenhouse gas collection device in the embodiment is as follows:
when the potted greenhouse gas with the plant height less than 30 cm is collected, the floor plate 1 is arranged on the pot body 01, and the crop plants 0 in the pot pass through the holes 11; the left cover box 21 and the right cover box 22 of the sampling box 2 of the hand-held handle 27 are fixed into a whole crop plant 0 through the buckle 23 to cover, the sampling box 2 is placed on the bottom plate 1 and is fixedly sealed by the clamp 3, and then the top plant perforation 24 is sealed by utilizing foam and plastic films; the greenhouse gas can be collected through the extraction pipe 28 arranged on the sampling box 2.
When the greenhouse gas of the pot culture with the plant height larger than 30 cm is collected, the bottom plate 1 is arranged on the pot body 01, and the crop plants 0 in the pot pass through the holes 11; the left cover box 21 and the right cover box 22 of the sampling box 2 of the hand-held handle 27 are fixed into a whole crop plant 0 through a buckle 23 to cover, as shown in figure 7, plant stalks which exceed the sampling box 2 pass through plant perforation holes 24, the sampling box 2 is placed on the bottom plate 1 and is fixedly sealed by a clamp 3, and gaps between the stalks and the plant perforation holes 24 are sealed by foam and a plastic film; the greenhouse gas can be collected through the extraction pipe 28 arranged on the sampling box 2.
The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation ranges of the present invention and will not be described in detail herein.
Claims (10)
1. A potted plant greenhouse gas collection device comprises a bottom plate and a sampling box; the bottom plate is provided with a hole; the sampling box is also provided with an air exhaust hole, and an air exhaust pipe is fixedly connected to the air exhaust hole; the device is characterized in that plant perforations are arranged at the upper part of the sampling box, and an opening is arranged at the lower part of the sampling box; a flange is further arranged on the periphery of the opening at the lower part of the sampling box, and the shape or size of the flange is matched with that of the bottom plate; the sampling box comprises a left cover box and a right cover box which can be separated; and the bottom of the flange and the bottom plate are provided with matched sealing strips.
2. A potted greenhouse gas collection apparatus as claimed in claim 1, wherein the flange is fixedly attached to the base plate by a clamping member.
3. A potted greenhouse gas collection device as claimed in claim 1, wherein the left and right housing boxes are removably connected by snap-fit means.
4. A potted greenhouse gas collection device as claimed in claim 1 wherein the free end of the extraction tube is connected to a three-way valve a which is sealingly connected to an injector connected to a three-way valve B for extracting gas from the sample chamber.
5. A potted plant greenhouse gas collection device as claimed in claim 1 wherein a fan is provided in the sample box.
6. A potted plant greenhouse gas collection apparatus as claimed in claim 1, wherein the floor is perforated with sealing strips.
7. A potted plant greenhouse gas collection device as recited in claim 1, wherein the sample chamber is provided with a thermometer.
8. A potted plant greenhouse gas collection device as claimed in claim 1 wherein a handle is provided on the sample box.
9. A potted plant greenhouse gas collection device as recited in claim 1, wherein the sampling box is wrapped with an insulation layer.
10. A potted plant greenhouse gas collection device as recited in claim 9, wherein the insulating layer is made of aluminum foil cloth or sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977880.2U CN210923204U (en) | 2019-11-15 | 2019-11-15 | Greenhouse gas collection system cultivated in a pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977880.2U CN210923204U (en) | 2019-11-15 | 2019-11-15 | Greenhouse gas collection system cultivated in a pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210923204U true CN210923204U (en) | 2020-07-03 |
Family
ID=71346394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921977880.2U Expired - Fee Related CN210923204U (en) | 2019-11-15 | 2019-11-15 | Greenhouse gas collection system cultivated in a pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210923204U (en) |
-
2019
- 2019-11-15 CN CN201921977880.2U patent/CN210923204U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20201115 |