CN211347601U

CN211347601U - A sampling device for indoor greenhouse gas cultivates

Info

Publication number: CN211347601U
Application number: CN201922304714.2U
Authority: CN
Inventors: 林伟; 戚智勇; 周晚来; 张冬冬
Original assignee: Chengdu Agricultural Science And Technology Center; Institute of Urban Agriculture of Chinese Academy of Agricultural Sciences
Current assignee: Chengdu Agricultural Science And Technology Center; Institute of Urban Agriculture of Chinese Academy of Agricultural Sciences
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-25
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a sampling device for indoor greenhouse gas cultivates belongs to gas analysis technical field. This a sampling device for indoor greenhouse gas cultivates includes: a sealing seat; the top end of the incubator is open, a sample placing cavity is arranged in the incubator, and the incubator is placed on the sealing seat; the bottom end of the static box is open, the static box cover is arranged on the incubator, the bottom end of the static box is abutted against the top annular edge of the sealing seat, a sampling tube is arranged in the static box and is vertically arranged, and the upper end of the sampling tube penetrates through the top wall of the static box and is fixedly connected with the static box; the sampling assembly, the input of sampling assembly with the upper end fixed connection of sampling tube and intercommunication. The sampling device has the advantages of small structure and low cost, and can be suitable for synchronous, automatic, continuous and long-term sampling in a laboratory, and the experimental error is reduced.

Description

A sampling device for indoor greenhouse gas cultivates

Technical Field

The utility model belongs to the technical field of gas analysis, concretely relates to a sampling device for indoor greenhouse gas cultivates.

Background

Greenhouse gas emission is an important factor causing global gas temperature rise, more and more scholars concentrate on the traceability evaluation and quantitative emission reduction of greenhouse gas, and therefore accurate measurement of the greenhouse gas is needed. Agricultural cultivation measures have important influence on global greenhouse gas emission, and control experiments under indoor conditions are mostly adopted for researching greenhouse gas emission in order to better explore the generation mechanism of greenhouse gas under different measures.

There is some greenhouse gas sampling device in the market at present, but its price is higher relatively, and the device volume is great simultaneously, and mainly used field usage consequently does not be suitable for and uses when carrying out contrastive analysis control experiment in the laboratory, and then influences the accuracy of experimental result, and sample simultaneously when needing a plurality of processings moreover, experimental error is great after the sample.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem and provide a sampling device for indoor greenhouse gas cultivates, this sampling device structure is little, and is with low costs, can be applicable to synchronous, automatic, continuous and long-term sampling in the laboratory, reduces experimental error.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a sampling device for indoor greenhouse gas cultivation, comprising:

a sealing seat;

the top end of the incubator is open, a sample placing cavity is arranged in the incubator, and the incubator is placed on the sealing seat;

the bottom end of the static box is open, the static box cover is arranged on the incubator, the bottom end of the static box is abutted against the top annular edge of the sealing seat, a sampling tube is arranged in the static box and is vertically arranged, and the upper end of the sampling tube penetrates through the top wall of the static box and is fixedly connected with the static box;

the sampling assembly, the input of sampling assembly with the upper end fixed connection of sampling tube and intercommunication.

The utility model has the advantages that: the field sample is adopted for culture through the incubator, the environment of the incubator is sealed through the static incubator and the seal seat, so that gas generated by the incubator can enter the static incubator and is isolated from the outside, and the gas is sampled and collected through the sampling assembly, so that the incubator is very convenient to use and is very beneficial to being used in a laboratory; the device can realize the synchronous, automatic, continuous and long-term collection of a plurality of groups of greenhouse gases processed under indoor conditions, greatly reduce labor investment and experimental errors caused by manual operation, and remarkably improve the working efficiency and the measurement accuracy; in addition, the device reduces the disturbance to the sample, makes the measurement more close to the origin and the result more reliable, and the device is small in size and simple to operate, can meet the basic research requirements of most scholars, and takes samples while processing a plurality of samples, and obviously reduces the test error.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, be equipped with the water seal groove on the seal receptacle, the notch of water seal groove is towards vertical top, the incubator is located the water seal inslot, the bottom of incubator with the tank bottom contact of water seal groove, the bottom of static case is arranged in the water seal groove and with the incubator covers.

The beneficial effect of adopting the further scheme is that: the water seal groove is sealed by adding water, so that the sealing effect is good, and the water seal groove is simple and convenient.

Further, the sampling subassembly includes small-size aspiration pump, exhaust tube, outlet duct and sampling bag, small-size aspiration pump fixed connection is on the top of static case, the one end of exhaust tube with the input fixed connection and the intercommunication of small-size aspiration pump, the other end of exhaust tube with the upper end fixed connection and the intercommunication of sampling tube, the one end of outlet duct with the output fixed connection and the intercommunication of small-size aspiration pump, the other end of outlet duct with the connection can be dismantled to the sampling bag.

The beneficial effect of adopting the further scheme is that: can conveniently extract the gas in the static case and enter into the collection in the sampling bag through small-size aspiration pump, it is very convenient to sample.

Further, the other end fixedly connected with air cock of outlet duct, be equipped with on the sampling bag with the elasticity mouth of air cock looks adaptation, the sampling bag passes through the elasticity mouth with the air cock cooperation can be dismantled the connection on the outlet duct.

The beneficial effect of adopting the further scheme is that: the sampling bag can be conveniently connected to the air outlet pipe through the elastic opening.

The air pump further comprises a USB plug and a switch, wherein the USB plug and the switch are fixedly connected to the outer side wall of the static box, and the switch is electrically connected with the small air pump and the USB plug.

The beneficial effect of adopting the further scheme is that: the starting and the closing of the small air pump can be conveniently controlled.

Further, still include the fan, the fan is located static incasement to with the inside wall fixed connection of static case, the fan with the USB plug electricity is connected.

The beneficial effect of adopting the further scheme is that: the air in the static tank can be uniformly mixed through the fan.

Furthermore, the fan comprises a fixed seat, a motor, a fan cover and a plurality of fan blades, the fixed seat is fixedly connected to the inner side wall of the static box, the motor is installed on the fixed seat, one side of the fan cover is fixedly connected with the outer wall of the motor, the output end of the motor is rotated to be arranged in the fan cover, the plurality of fan blades are located in the fan cover, one ends of the plurality of fan blades are fixedly connected to the output end of the motor, and the plurality of fan blades are driven to rotate in the fan cover through the motor.

The beneficial effect of adopting the further scheme is that: the motor drives the fan blades to rotate to generate wind power, and the wind power generator is simple in structure and convenient to use.

Further, the device also comprises a thermometer, and the detection end of the thermometer penetrates through the outer wall of the static box and is arranged in the static box.

The beneficial effect of adopting the further scheme is that: the temperature in the static tank is conveniently observed through the thermometer.

The static box is characterized by further comprising a pressure stabilizing balloon, wherein the pressure stabilizing balloon is positioned in the static box and fixedly connected with the inner side wall of the static box, a through hole is formed in the side wall of the static box, and an air port of the pressure stabilizing balloon penetrates out of the static box through the through hole.

The beneficial effect of adopting the further scheme is that: the pressure inside and outside the static box can be kept consistent through the pressure stabilizing balloon.

And the gas collecting hood is positioned in the static box and is fixedly connected with the lower end of the sampling tube.

The beneficial effect of adopting the further scheme is that: the gas in the static box can be conveniently collected through the gas collecting hood.

Drawings

Fig. 1 is a front view of the sampling device of the present invention;

FIG. 2 is a front view of the sealing seat and the incubator of the present invention;

FIG. 3 is a top view of the sealing seat and the incubator of the present invention;

fig. 4 is a cross-sectional view of the sampling device of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a sealing seat; 2. a static tank; 3. a thermometer; 4. a sampling tube; 5. an air exhaust pipe; 6. a small air pump; 7. an air outlet pipe; 8. an air tap; 9. a sampling bag; 10. an elastic opening; 11. a USB plug; 12. a switch; 14. an incubator; 15. water sealing the tank; 16. a sample placement chamber; 17. a gas-collecting hood; 18. a fixed seat; 19. a motor; 20. a fan housing; 21. a fan blade; 22. a pressure stabilizing balloon.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

As shown in fig. 1 to 4, the present embodiment provides a sampling device for indoor greenhouse gas cultivation, comprising: seal receptacle 1, incubator 14, static chamber 2 and sampling assembly.

Wherein the seal receptacle 1 is a square column shape, and the seal receptacle 1 is horizontally arranged. The top of incubator 14 is uncovered, and wherein incubator 14 is the square, and the length of side of incubator 14 is 10cm, places chamber 16 for the sample in the incubator 14, and the sample is placed the interior undisturbed sample that is used for placing from field retrieval in the chamber 16, and the sample is soilless solid culture matrix, and the bottom of incubator 14 is placed on seal receptacle 1, and the size of seal receptacle 1 is greater than the size of incubator 14. Static case 2's bottom is uncovered, static case 2 is the square column shape equally, static case 2 lid is on incubator 14, static case 2's bottom and seal receptacle 1's top ring limit butt, through the space seal of seal receptacle 1 in with static case 2, do not communicate with the external world, thereby the greenhouse gas that the sample produced directly enters into static case 2 in the incubator 14, be equipped with sampling tube 4 in the static case 2, the vertical setting of sampling tube 4, the roof of static case 2 and with static case 2 fixed connection are worn out to the upper end of sampling tube 4. The input end of the sampling component is fixedly connected and communicated with the upper end of the sampling tube 4. The sampling assembly takes out the gas in the static box 2 through the sampling tube 4, collects the gas and obtains a gas sample, so that the collected gas sample can be analyzed.

Preferably, be equipped with water seal groove 15 on seal receptacle 1 in this embodiment, wherein water seal groove 15 is square groove, the notch of water seal groove 15 is towards vertical top, incubator 14 is located water seal groove 15, the bottom of incubator 14 and the tank bottom contact of water seal groove 15, wherein the groove depth of water seal groove 15 is 5cm, the width between the outer rampart of seal receptacle 1 and the rampart of water seal groove 15 is 2cm, the bottom of static case 2 is arranged in water seal groove 15 and is covered incubator 14, add water and arrive in water seal groove 15 again, avoid the outside air to get into in static case 2 through the water seal.

Specifically, the subassembly of sampling includes small-size aspiration pump 6, exhaust tube 5, outlet duct 7 and sampling bag 9 in this embodiment, and 6 fixed connection of small-size aspiration pump are on static case 2's top, and the one end of exhaust tube 5 and small-size aspiration pump 6's input fixed connection and intercommunication, and the other end of exhaust tube 5 and the upper end fixed connection and the intercommunication of sampling tube 4, and the one end of outlet duct 7 and small-size aspiration pump 6's output fixed connection and intercommunication, and the other end and the sampling bag 9 of outlet duct 7 can be dismantled and be connected. The small air pump 6 generates suction force, so that the gas in the static box 2 is pumped into the small air pump 6 through the sampling tube 4 and then enters the sampling bag 9 through the air outlet tube 7 to be collected and stored. And after the collection is finished, the sampling bag 9 is taken down for detection. The small suction pump 6 is prior art and well known to those skilled in the art, and its specific structure will not be described in detail.

Preferably, the other end fixedly connected with air cock 8 of outlet duct 7 in this embodiment, air cock 8 are the toper, can be convenient for through toper air cock 8 in the outlet duct 7 the gas completely enter into sampling bag 9, be equipped with the elasticity mouth 10 with 8 looks adaptations of air cock on sampling bag 9, wherein elasticity mouth 10 binds on air cock 8 through the tightening belt to sampling bag 9 can be dismantled with the cooperation of air cock 8 through elasticity mouth 10 and be connected on outlet duct 7. When sampling bag 9 need be taken off, send tight mouth 10 of elasticity for sampling bag 9 can be taken off, when sampling bag 9 need be installed, with the tight mouth 10 cover in air cock 8 department, tighten up tight mouth 10 can.

Preferably, the present embodiment further comprises a USB plug 11 and a switch 12, wherein the USB plug 11 and the switch 12 are fixedly connected to the outer sidewall of the static box 2, and the switch 12 is electrically connected to the small-sized air pump 6 and the USB plug 11. Wherein the USB plug 11 is connected with an external power supply for supplying power, wherein the switch 12 can be a timing switch 12, and the small-sized air pump 6 can be automatically turned on, so that the sampling can be automatically carried out. The USB plug 11 and the switch 12 are well known in the art, and the specific structure thereof will not be described in detail.

Preferably, the present embodiment further comprises a fan, the fan is located in the static case 2 and is fixedly connected with the inner side wall of the static case 2, and the fan is electrically connected with the USB plug 11. The fan is powered by the USB plug 11, wherein the fan is used to mix the gas in the static tank 2 evenly.

Specifically, the fan includes fixing base 18 in this embodiment, motor 19, fan casing 20 and a plurality of fan blade 21, fixing base 18 fixed connection is on the inside wall of static case 2, motor 19 installs on fixing base 18, one side of fan casing 20 and the outer wall fixed connection of motor 19, the output of motor 19 changes over to and arranges in fan casing 20, a plurality of fan blade 21 are located fan casing 20, the equal fixed connection of one end of a plurality of fan blade 21 is on the output of motor 19, drive a plurality of fan blade 21 through motor 19 and rotate in fan casing 20. The USB plug 11 is electrically connected with the motor 19, and the motor 19 is supplied with power through the USB plug 11. The number of the fan blades 21 is 3, and the 3 fan blades are annularly distributed around the output end of the motor 19.

Preferably, the present embodiment further comprises a thermometer 3, and the detection end of the thermometer 3 is arranged in the static box 2 through the top outer wall of the static box 2. Wherein the thermometer 3 is fixedly connected with the top wall of the static case 2, and the thermometer 3 can be an electronic thermometer 3 or a mercury thermometer 3. The temperature change in the static tank 2 can be observed in real time by the thermometer 3.

Preferably, still include the steady voltage balloon 22 in this embodiment, the steady voltage balloon 22 is located static case 2 to with the inside wall fixed connection of static case 2, be equipped with a through-hole on the lateral wall of static case 2, the gas port of steady voltage balloon 22 passes through static case 2 through the through-hole, when static case 2 internal air pressure reduces, outside air enters into steady voltage balloon 22 through the gas port of steady voltage balloon 22, thereby increases the atmospheric pressure in static case 2, makes static case 2 internal and external atmospheric pressure keep balance.

Preferably, the gas collecting hood 17 is further included in the present embodiment, the gas collecting hood 17 is located in the static tank 2 and is fixedly connected with the lower end of the sampling tube 4, and the gas collecting hood 17 can facilitate collecting the gas in the static tank 2 so that the gas can enter the sampling tube 4.

Wherein the incubator 14 and the static case 2 are both made of PVC material.

When the device is used specifically, the static box 2 is taken down from the sealing seat 1, the incubator 14 is taken out and carried to the field, and an original sample to be cultured is taken and placed in the sample placing cavity 16 for daily cultivation management; connect sampling bag 9 and outlet duct 7 together, set up the on-time of switch 12, the time is 1h, and be connected external power source and USB plug 11, make the fan begin to rotate, put into water-sealed tank 15 with incubator 14, again cover static case 2 on incubator 14, and place static case 2's bottom in water-sealed tank 15, add water-sealed in water-sealed tank 15, and the temperature of record temperature this moment, after 1h, switch 12 opens small-size aspiration pump 6 automatically, collect in the sampling bag 9 with the gaseous suction in static case 2, pull out the power from USB plug 11, make the fan stall, take off sampling bag 9, take off static case 2 again, accomplish the sampling. Of course, the device can also continuously sample, and only the time of the switch 12 is needed to be set, and the sampling bag 9 is replaced after each sampling.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A sampling device for indoor greenhouse gas cultivation, comprising:

a seal seat (1);

the top end of the incubator (14) is open, a sample placing cavity (16) is arranged in the incubator (14), and the incubator (14) is placed on the sealing seat (1);

the bottom end of the static box (2) is open, the static box (2) covers the incubator (14), the bottom end of the static box (2) is abutted to the top end annular edge of the sealing seat (1), a sampling tube (4) is arranged in the static box (2), the sampling tube (4) is vertically arranged, and the upper end of the sampling tube (4) penetrates through the top wall of the static box (2) and is fixedly connected with the static box (2);

the input end of the sampling component is fixedly connected and communicated with the upper end of the sampling tube (4).

2. Sampling device for indoor greenhouse gas cultivation according to claim 1, characterized in that a water-sealed tank (15) is provided on the sealing seat (1), the opening of the water-sealed tank (15) faces vertically upwards, the incubator (14) is located inside the water-sealed tank (15), the bottom end of the incubator (14) is in contact with the bottom of the water-sealed tank (15), and the bottom end of the static tank (2) is placed in the water-sealed tank (15) and covers the incubator (14).

3. The sampling device for indoor greenhouse gas culture according to claim 1, wherein the sampling assembly comprises a small air suction pump (6), an air suction pipe (5), an air outlet pipe (7) and a sampling bag (9), the small air suction pump (6) is fixedly connected to the top end of the static box (2), one end of the air suction pipe (5) is fixedly connected and communicated with the input end of the small air suction pump (6), the other end of the air suction pipe (5) is fixedly connected and communicated with the upper end of the sampling pipe (4), one end of the air outlet pipe (7) is fixedly connected and communicated with the output end of the small air suction pump (6), and the other end of the air outlet pipe (7) is detachably connected with the sampling bag (9).

4. The sampling device for indoor greenhouse gas culture as claimed in claim 3, wherein the other end of the air outlet pipe (7) is fixedly connected with an air tap (8), the sampling bag (9) is provided with an elastic opening (10) matched with the air tap (8), and the sampling bag (9) is detachably connected to the air outlet pipe (7) through the matching of the elastic opening (10) and the air tap (8).

5. A sampling device for indoor greenhouse gas cultivation as claimed in claim 4, characterized by further comprising a USB plug (11) and a switch (12), the USB plug (11) and the switch (12) being fixedly connected on the outer side wall of the static tank (2), the switch (12) being electrically connected with the minipump (6) and the USB plug (11).

6. A sampling device for indoor greenhouse gas cultivation as claimed in claim 5, further comprising a fan located inside the static box (2) and fixedly connected to the inside wall of the static box (2), the fan being electrically connected to the USB plug (11).

7. The sampling device for indoor greenhouse gas cultivation of claim 6, the fan comprises a fixed seat (18), a motor (19), a fan cover (20) and a plurality of fan blades (21), the fixed seat (18) is fixedly connected on the inner side wall of the static box (2), the motor (19) is arranged on the fixed seat (18), one side of the fan cover (20) is fixedly connected with the outer wall of the motor (19), the output end of the motor (19) is rotated into the fan cover (20), the fan blades (21) are positioned in the fan cover (20), one ends of the fan blades (21) are fixedly connected to the output end of the motor (19), the motor (19) drives a plurality of fan blades (21) to rotate in the fan cover (20).

8. A sampling device for indoor greenhouse gas cultivation as claimed in claim 1, further comprising a thermometer (3), the detection end of the thermometer (3) being placed inside the static tank (2) through the outer wall of the static tank (2).

9. A sampling device for indoor greenhouse gas cultivation as claimed in any one of claims 1 to 8, further comprising a pressure stabilizing balloon (22), wherein the pressure stabilizing balloon (22) is located inside the static tank (2) and is fixedly connected with the inner side wall of the static tank (2), a through hole is provided on the side wall of the static tank (2), and the air port of the pressure stabilizing balloon (22) penetrates out of the static tank (2) through the through hole.

10. A sampling device for indoor greenhouse gas cultivation as claimed in any one of claims 1-8, characterized by further comprising a gas collection hood (17), the gas collection hood (17) being located inside the static tank (2) and being fixedly connected to the lower end of the sampling tube (4).