CN209820834U - Automatic measuring box for trace gas flux on water-gas interface - Google Patents
Automatic measuring box for trace gas flux on water-gas interface Download PDFInfo
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- CN209820834U CN209820834U CN201920054906.XU CN201920054906U CN209820834U CN 209820834 U CN209820834 U CN 209820834U CN 201920054906 U CN201920054906 U CN 201920054906U CN 209820834 U CN209820834 U CN 209820834U
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Abstract
The utility model provides a water gas interface trace gas flux automatic measurement case includes the frame, installs the lifing arm on the frame, through lifing arm movable mounting at the inside measuring box of frame, the relay of control lifing arm motion, the measuring box includes the box, all sealed with the top around the box, its bottom is open, two kickboards are still installed to the bottom both sides of frame, and the lifing arm promotes the box up-and-down motion, sets for the time of opening and shutting of box through the relay. The utility model discloses gaseous flux automatic measurement case of water gas interface trace makes the box regularly open and shut automatically through relay and lifing arm, has broken away from the reliance to manual operation, carries out real-time detection to the trace gas through analysis appearance and collector, has avoided the error that gas sample caused because of the transportation.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an atmosphere science and environment science technical field especially relate to a gas flux automatic measurement case of water gas interface trace.
[ background of the invention ]
A great deal of research shows that inland water bodies such as rivers, lakes, reservoirs and the like are important emission sources of trace gases in the atmosphere such as greenhouse gases CO2, CH4, N2O and the like, and greenhouse gas values entering the atmosphere from the water bodies cannot be ignored in evaluation areas and global greenhouse gas emission. Therefore, the observation method for effectively measuring the flux of the trace gas at the water-gas interface is an important basis for accurately estimating the global greenhouse gas emission. The box type method is an important method widely used for measuring the flux of trace gas at a water-gas interface, and the principle is that a box body with a closed top and a through bottom is buckled on a water surface to be measured, and the flux of the greenhouse gas is obtained by measuring the change rate of the concentration of the greenhouse gas in the box body in a closed state along with time. The current box method mainly comprises: static case gas chromatography uses gas chromatograph to carry out concentration measurement for avoiding interior condition of box and external difference too big promptly after sampling to and the interior gas of box excessively accumulates the influence to observing, and the box needs to be opened once at a set interval and makes the interior gas of box fully exchange with external atmosphere, and present box formula generally adopts manual operation to open the box, and sampling and analytic process separation can cause the sample to deteriorate in the transportation, consequently produces the influence to the measuring result.
Therefore, the problem to be solved in the field is to provide an automatic measuring box for trace gas flux at a water-gas interface, which can get rid of dependence on manual operation and realize long-time continuous observation.
[ Utility model ] content
To the problem, the utility model discloses gaseous flux automatic measurement case of water gas interface trace makes the box regularly automatic opening and shutting through relay and lifing arm, has broken away from the reliance to manual operation, carries out real-time detection to trace gas through analysis appearance and collector, has avoided the error that gas sample caused because of the transportation.
In order to solve the problems, the utility model discloses an automatic measuring box for trace gas flux at water-gas interface, which comprises a frame, a lifting arm arranged on the frame, a measuring box movably arranged in the frame through the lifting arm, and a relay for controlling the movement of the lifting arm, wherein the measuring box comprises a box body, the periphery and the top of the box body are sealed, the bottom of the frame is open, two sides of the bottom of the frame are provided with two floating plates, the floating force generated by the floating plates can make the device float on the water surface, one end fixed connection of lifing arm is on the frame, and other end fixed connection is on the box, and the lifing arm promotes the box downstream, makes it and surface of water contact, and the box closure realizes sealedly this moment, and the lifing arm pulling box upward movement makes it and surface of water separation, and the box was opened this moment, sets for the time of opening and shutting of box through the relay.
Furthermore, a pressure gauge and a temperature gauge for measuring the pressure and the temperature of the gas in the box body are arranged on the top of the inner side of the box body.
Furthermore, the inside of box is installed and is made the interior gas mixture's of box fan, the fan is installed at the inside slope of box, prevents to directly blow the surface of water.
Further, the opposite side surfaces of the box body are provided with an air inlet and an air outlet, and the air inlet and the air outlet are connected with an analyzer for analyzing the gas composition in the box body through pipelines.
Furthermore, the top of the box body is provided with a wire hole, and the pressure gauge and the thermometer are connected with a collector for detecting the pressure and temperature change of the gas in the box body through the wire hole and a lead.
Furthermore, the analyzer is also connected with a water quality analyzer for detecting the PH value and the DO value of the water body.
Furthermore, the automatic measuring box for the trace gas flux on the water-gas interface is also provided with a three-layer water temperature probe for detecting the temperatures of water bodies at different depths.
Further, the lifting arm comprises a fixed end and a movable end, the fixed end is fixedly connected to the frame, the movable end is fixedly connected to the box body, and the movable end moves up and down relative to the fixed end to push the box body to move up and down relative to the frame.
Furthermore, the utility model discloses gaseous flux automatic measurement case of water gas interface trace makes the box regularly automatic opening and shutting through relay and lifing arm, has broken away from the reliance to manual operation, carries out real-time detection to trace gas through analysis appearance and collector, has avoided the error that gas sample caused because of the transportation.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the automatic measuring box for trace gas flux at a water-gas interface of the present invention.
Fig. 2 is a real-time detection result diagram of the automatic measuring box for trace gas flux at the water-gas interface.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the utility model discloses the component structure of automatic measuring box of water-air interface trace gas flux, it includes frame 1, be located the inside measuring box 2 of frame, connect analysis appearance 3 and collector 4 on the measuring box, for power 5 and relay 6 that the device provided the electric quantity, the lifing arm 7 of connecting frame and measuring box, install the kickboard 8 in the frame both sides, frame 1 is made by a plurality of root angle shape aluminum product welding, kickboard 8 is the foam material to install in the bottom of the 1 left and right sides of frame through the spring hinge, make frame 1 float on the surface of water through the buoyancy effect, make the kickboard can fold to the frame side through the spring hinge, make things convenient for the transportation and the depositing of device. The measuring box 2 comprises a box body 201, the box body 201 comprises a top plate, front and rear side plates, left and right side plates, the top of the box body is sealed by the top plate, the bottom of the box body is open, the distance between the box body and the water surface is adjusted through a lifting arm 7, the box body is kept in an open or closed state, a barometer 202 and a thermometer 203 are installed on the inner side of the top plate, a fan 204 is installed at the intersection line of the top plate and the rear side plate, the fan 204 is used for mixing gas in the box body, and the included angle between the fan 204 and the top plate and the rear side plate is 45 degrees, so that the water surface. The box 201 is connected with the frame 1 through two lifting arms 7, and the central line department of side around the frame is installed respectively to two lifting arms, the lifting arm includes stiff end and expansion end, and the stiff end passes through U type clamp to be fixed at the frame upper edge, and the expansion end passes through U type clamp to be fixed at box outside lower limb, the expansion end promotes the box for the stiff end up-and-down motion, for the frame up-and-down motion. Air inlet and gas outlet have been seted up to the side around box 201, all install the quick socket of trachea that makes things convenient for the plug on air inlet and the gas outlet, analysis appearance 3 is connected with the quick socket on air inlet and the gas outlet through the special fluorine dragon pipe. The top plate of the box body is provided with a wire hole, and the barometer 202 and the thermometer 203 are connected to the collector 4 by passing through the wire hole by using a lead. The fan 204 is connected to the relay 6 through a wire hole and a wire, the lifting arm 7 is connected to the relay 6 through a wire, the relay 6 is connected to the power supply 5 through a wire, and the power supply controls the movement state of the lifting arm 7 and the fan 204 through the relay. The collector 4 is also connected with a three-layer water temperature probe 9, the three-layer water temperature probe comprises a surface layer, a deep layer and a bottom layer, the surface layer is used for measuring the temperature at a position 20 cm below the water surface, the deep layer is used for measuring the temperature at a position 50 cm below the water surface, and the bottom layer is used for measuring the temperature of a mud layer. The analyzer 3 is also connected with a water quality analyzer 10, and the water quality analyzer is placed in a water body and is connected to the analyzer 3 through a lead.
The measuring method of the automatic measuring box for the trace gas flux of the water-gas interface comprises the following steps of placing the assembled equipment on a water surface to be measured, placing the collector 4, the power supply 5 and the analyzer 3 at a place far away from a water body after the equipment is stable, setting the closing time of the box body to be 60 minutes through the relay 6, and setting the opening time to be 10 minutes. The water temperature is measured through the three-layer water temperature probe 9, the pressure and the temperature of gas in the box body are measured through the pressure gauge 202 and the thermometer 203, the change of the concentration of each gas in the box body is monitored in real time through the analyzer 3 connected to the gas inlet and the gas outlet, the PH value and the DO value of the water body are measured through the water quality analyzer 10, and the trace gas flux of a measured interface can be obtained by combining the volume, the trace gas concentration, the temperature and the gas pressure value of the box body. The utility model discloses a relay and lifing arm make the box regularly open and shut automatically, have broken away from the reliance to manual operation, carry out real-time detection to the trace gas through analysis appearance and collector, have avoided the error that gas sample caused because of the transportation.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The automatic measuring box for the trace gas flux of the water-gas interface is characterized by comprising a frame (1), a lifting arm (7) arranged on the frame (1), a measuring box (2) movably arranged in the frame through the lifting arm and a relay (6) for controlling the movement of the lifting arm (7), wherein the measuring box (2) comprises a box body (201), the periphery and the top of the box body (201) are sealed, the bottom of the box body is open, two floating plates (8) are further arranged on two sides of the bottom of the frame, the device can float on the water surface due to buoyancy generated by the floating plates (8), one end of the lifting arm (7) is fixedly connected to the frame (1), the other end of the lifting arm is fixedly connected to the box body (201), and the lifting arm (7) pushes the box body (201) to move downwards to be in contact with the water surface, at the moment, the box body is closed to realize sealing, the lifting arm pulls the box body to move upwards to separate the box body from the water surface, the box body is opened at the moment, and the opening and closing time of the box body is set through the relay (6).
2. The box for automatically measuring the flux of trace gas at a water-gas interface according to claim 1, wherein a pressure gauge (202) and a temperature gauge (203) for measuring the pressure and temperature of gas in the box are installed on the top of the inner side of the box (201).
3. The automatic measuring box for the flux of the trace gas at the water-gas interface as recited in claim 1, wherein a fan (204) for uniformly mixing the gas in the box body is installed inside the box body (201), and the fan (204) is installed in the box body in an inclined manner to prevent the fan from directly blowing on the water surface.
4. The automatic measuring box for the flux of the trace gas on the water-gas interface according to claim 1, wherein the opposite side surfaces of the box body (201) are further provided with a gas inlet and a gas outlet, and the gas inlet and the gas outlet are connected with an analyzer (3) for analyzing the gas components in the box body through pipelines.
5. The automatic measuring box for the flux of the trace gas at the water-gas interface according to claim 2, wherein the top of the box body is provided with a wire hole, and the pressure gauge (202) and the temperature gauge (203) are connected with a collector (4) for detecting the pressure and temperature change of the gas in the box body through the wire hole and a lead.
6. The automatic measuring box for the flux of the trace gas at the water-gas interface according to claim 4, wherein the analyzer (3) is further connected with a water quality analyzer (10) for detecting the pH value and the DO value of the water body.
7. The box of claim 1, further comprising a three-layer water temperature probe (9) for detecting water temperatures at different depths.
8. The automatic measuring box for the flux of the trace gas at the water-gas interface as recited in claim 1, wherein the floating plate (8) is hinged to the frame (1) through a spring, so that the floating plate can be turned upwards around the hinge, and the storage and transportation of the device are facilitated.
9. The box for automatically measuring the flux of the trace gas at the water-gas interface according to claim 1, wherein the lifting arm (7) comprises a fixed end and a movable end, the fixed end is fixedly connected to the frame (1), the movable end is fixedly connected to the box body (201), and the movable end moves up and down relative to the fixed end to push the box body to move up and down relative to the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054906.XU CN209820834U (en) | 2019-01-14 | 2019-01-14 | Automatic measuring box for trace gas flux on water-gas interface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920054906.XU CN209820834U (en) | 2019-01-14 | 2019-01-14 | Automatic measuring box for trace gas flux on water-gas interface |
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| CN209820834U true CN209820834U (en) | 2019-12-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752213A (en) * | 2019-01-14 | 2019-05-14 | 南京信息工程大学 | Water air interface trace gas flux automatic measurement case and measurement method |
| CN112758261A (en) * | 2021-01-15 | 2021-05-07 | 梁文发 | Special detection ship for greenhouse gases |
-
2019
- 2019-01-14 CN CN201920054906.XU patent/CN209820834U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752213A (en) * | 2019-01-14 | 2019-05-14 | 南京信息工程大学 | Water air interface trace gas flux automatic measurement case and measurement method |
| CN112758261A (en) * | 2021-01-15 | 2021-05-07 | 梁文发 | Special detection ship for greenhouse gases |
| CN112758261B (en) * | 2021-01-15 | 2023-01-17 | 南京市同亮科技有限公司 | Special detection ship for greenhouse gases |
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