Static box for collecting gas on water surface of open water body

Abstract

A static box for collecting gas on the water surface of an open water body comprises a collecting box, a floating plate, a rotating ring, a monitoring device and a pipeline, the collecting box comprises a box body and a cover plate, a connecting plate is connected with an electric lifting rod, the other end of the connecting plate is fixed to the box body, a storage battery is arranged below the electric lifting rod, and four side faces are provided with buckles. The floating plates are fixed to the two ends of the supporting rods which pass through the buckles. The rotating ring is arranged on the box body, and an inner ring of the rotating ring is connected with the box body through a connecting rod; the monitoring device comprises a camera, a display screen and a flow velocity measuring instrument; the camera is arranged in the center of the connecting plate, and the flow velocity measuring instrument is arranged on the inner wall of the box body. The rotating ring not only can ensure that the water surface around the collecting box is clean, but also has certain weight, and forms balance with the floating plate to ensure that the collecting box is stable; a pipeline is arranged for sampling, so that the detection result is prevented from being influenced by opening the collection box for multiple times.

Description

Technical Field

[0001] The utility model relates to the technical field of static boxes, in particular to a static box used for collecting gas on the surface of an open water body. Background Art

[0002] At present, the static box used for gas collection in wetlands or open water surfaces is composed of a semi-enclosed box of a cylinder or cube, a built-in fan for mixing the gas, and a gas collection valve connected to the closed end. When collecting gas, the open end is turned upside down and placed on the bottom of the water, or a swimming ring is used to make the box float on the water surface. After a certain period of time, the gas concentration in the box changes as the water surface discharges or absorbs gas, and then the gas in the box is collected through the gas collection valve. However, after the static box is fixed to the bottom of the water, the water column in the box cannot be exchanged with the surrounding water body; when a swimming ring is used to assist floating, the water surface near the box is covered, which also greatly interferes with the gas exchange process on the water surface. These have greatly affected the measurement of the dynamics of surface gas.

[0003] Therefore, the problems existing in the prior art need to be further improved and developed. Summary of the invention

[0004] (I) Purpose of the invention: In order to solve the problems existing in the above-mentioned prior art, the purpose of the utility model is to provide a static box for collecting gas on the surface of open water bodies, which not only has little interference with the water body in the collection area, but also is convenient for application to various water surfaces.

[0005] (II) Technical solution: In order to solve the above technical problems, the present technical solution provides a static box for collecting gas on the surface of an open water body, including a collection box, a floating plate, a rotating ring, a monitoring device and a pipeline; the collection box includes a box body, a cover plate, and a connecting plate, the connecting plate is connected to an electric lifting rod, the other end of the electric lifting rod is fixed to the box body, the box body is provided with a battery in the direction where the electric lifting rod is away from the cover plate, and the box body is provided with buckles on four sides respectively;

[0006] The floating plate is fixed to both ends of the support rod, and the support rod is fixed by the buckle;

[0007] The box body is provided with a connecting rod at one end away from the cover plate, and the other end of the connecting rod is connected to a rotating ring, and relative sliding occurs between the outer ring and the inner ring of the rotating ring;

[0008] The monitoring device includes a camera, a display screen and a flow rate meter; the camera is arranged at the center of the connecting plate, and the flow rate meter is arranged on the side of the box body which is perpendicular to the side where the pipeline is located.

[0009] Wherein, the connecting rod is arranged on the four side walls of the box body, and the connecting rod is located below the buckle.

[0010] Wherein, the side of the rotating ring close to the cover plate is flush with the side of the floating plate away from the cover plate.

[0011] Wherein, the floating plate is a rectangular parallelepiped structure, and the thickness of the floating plate is smaller than the length and width of the floating plate.

[0012] Wherein, the pipeline includes a first pipeline, a second pipeline, a T-tube and a micro air pump; the first pipeline is arranged on a side perpendicular to the electric lifting rod of the box body, and the first pipeline is flush with the inner wall of the box body.

[0013] Wherein, the diameter of the first pipe is greater than the diameter of the second pipe.

[0014] The camera rotates 360 degrees in a direction parallel to the cover plate.

[0015] Wherein, a battery is arranged on a side of the electric lifting rod away from the cover plate, and the battery is respectively connected to the electric lifting rod, the camera, the display screen and the flow rate measuring instrument.

[0016] Wherein, the support rod is longer than the box body.

[0017] The flow velocity meter is arranged on a side perpendicular to the pipeline, and the height of the probe of the flow velocity meter is equal to the height of the side of the floating plate close to the cover plate.

[0018] (III) Beneficial effects: The present invention provides a static box for collecting gas on the surface of open water bodies. First, a floating plate is provided to ensure that the collection box can be stable on the water surface; secondly, a rotating ring is provided, which can not only push away obstacles on the water surface to ensure that the water surface around the collection box is clean, but also the rotating ring has a certain weight, which can form a balance with the floating plate to ensure that the collection box is stable on the water surface; finally, a pipeline is provided for sampling, which avoids opening the collection box multiple times and affecting the detection results; in summary, the static box for collecting gas on the surface of open water bodies does not need to be fixed to the bottom of the water, and can be used in various water bodies with low flow rate. During operation, it has little impact on processes such as water flow, water-gas interaction, and aquatic biological activities. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of a static box structure for collecting gas on the surface of an open water body according to the utility model;

[0020] Figure 2 It is a bottom view of a static box for collecting gas on the surface of an open water body according to the utility model;

[0021] Figure 3The utility model is a top view of a static box for collecting gas on the surface of an open water body.

[0022] Figure numerals: 1-collection box, 11-box, 12-cover, 13-connecting plate, 14-electric lifting rod, 15-battery, 16-buckle, 2-floating plate, 21-support rod, 3-rotating ring, 31-connecting rod, 41-camera, 42-flow rate meter, 5-pipeline, 51-first pipeline, 52-second pipeline, 53-T-tube, 54-micro air pump. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with preferred embodiments. More details are elaborated in the following description to facilitate a full understanding of the present invention. However, the present invention can obviously be implemented in a variety of other ways different from the description. Those skilled in the art can make similar generalizations and deductions based on actual application situations without violating the connotation of the present invention. Therefore, the protection scope of the present invention should not be limited by the content of this specific embodiment.

[0024] The accompanying drawings are schematic diagrams of embodiments of the present invention. It should be noted that the drawings are only examples and are not drawn in proportion, and should not be used as a limitation on the actual protection scope of the present invention.

[0025] A static chamber for collecting gas on the surface of an open water body, such as Figure 1 As shown, it includes a collection box 1, a floating plate 2, a rotating ring 3, a monitoring device and a pipeline 5. The floating plate 2 is arranged on the side wall of the collection box 1 to provide an upward force to the collection box 1, ensuring that the collection box 1 can float on the water surface for gas collection. The rotating ring 3 is arranged below the collection box 1 to provide a downward force to the collection box 1 to prevent the collection box 1 from moving when the water flow is large or the wind speed is large; and the rotating ring 3 can also rotate to remove obstacles on the water surface to prevent obstacles from accumulating around the collection box 1 and affecting the collection box 1. The monitoring device includes a camera 41, a display screen and a flow velocity meter 42; the monitoring device is arranged on the top and inside of the collection box 1, and can monitor the environment around the collection box 1 and the air flow rate inside the collection box 1; when there is an obstacle, the rotating ring 3 is driven to remove the obstacle, and when the flow rate tends to be stable, gas collection begins. The pipeline 5 is arranged on the side wall of the collection box 1 and communicated with the interior of the collection box 1 . The gas in the collection box 1 can be sampled multiple times through the pipeline 5 .

[0026] The collection box 1 includes a box body 11, a cover plate 12, a connecting plate 13, an electric lifting rod 14 and a battery 15. The box body 11 is a cubic structure, and the length of the box body 1 is 200 mm, the width is 200 mm, and the height is 300 mm. The connecting plate 13 is bonded to the upper part of the cover plate 12, and the two ends of the connecting plate 13 are bonded to the top of the electric lifting rod 14 with strong glue. The connecting plate 13 is fixed to the end of the cover plate 12 away from the box body 1, and the two ends of the connecting plate 13 are connected to the electric lifting rod 14, and the other end of the electric lifting rod 14 is fixed to the opposite two sides of the box body 11. The bottom of the cover plate 12 is sealed with a silicone seal, and the electric lifting rod 14 drives the cover plate 12 to descend to the top of the box body 11, so that the inside of the collection box 1 is sealed, and the gas on the surface of the water body can be collected; the electric lifting rod 14 drives the cover plate 12 to rise and open the collection box 1, so that the inside of the box body is connected to the atmosphere, and the gas collected in the collection box 1 is released.

[0027] The box body 11, cover plate 12 and connecting plate 13 are preferably made of organic glass in the present invention, so that the situation inside the collection box 1 can be observed and the box has a certain strength.

[0028] The collection box 1 is provided with buckles 16 on the four outer walls. The buckles 16 are provided at one end away from the cover plate 12, at a distance of 100 mm to 120 mm from the bottom surface. The buckles 16 are at equal distances from the bottom surface on two opposite surfaces, and the height of the buckles 16 differs between the two perpendicular surfaces. The buckles 16 are provided in greater than or equal to 2 on the same side, and preferably in 2 in this application. They are symmetrically provided along the central axis of the collection box 1, and preferably in this application, symmetrically provided at 1 / 4 of the length of the box body 11 in the horizontal direction, that is, the distance from both sides is equal to 50 mm, to ensure that the floating plate 2 can be fixed on the outer surface of the collection box 1, to ensure that the collection box 1 can float on the water surface for gas collection, and to ensure that there is enough space inside the collection box 1 for gas collection.

[0029] The floating plate 2 is connected to a support rod 21, and the support rod 21 passes through the buckle 16. The length of the support rod 21 is greater than the length of the box body 1, that is, greater than 200 mm. The two ends of the support rod 21 are respectively connected to the floating plate 2, and the floating plate 2 is a cubic structure. The side area of ​​the floating plate 2 in contact with the water surface is much larger than the side area perpendicular to the water surface. The floating plate 2 can float the collection box 1 on the water surface to collect gas. Avoid the collection box 1 from tipping over due to external force, which makes it impossible to collect gas.

[0030] A connecting rod 31 is provided below the buckle 16, and the connecting rod 31 is fixed to the four side surfaces of the box body 11, respectively perpendicular to the four side surfaces of the box body 11, and located on the central axis of the box body 11 in the horizontal direction. The other end of the connecting rod 31 is connected to a rotating ring 3, and the inner ring of the rotating ring 3 is fixed to the connecting rod 31. The outer ring of the rotating ring 3 can move relative to the inner ring of the rotating ring 3, and the rotation of the outer ring of the rotating ring 3 will not affect the stability of the collection box 1. The rotating ring 3 is sleeved on the collection box 1, and the upper side of the rotating ring 3 is flush with the side of the floating plate 2 away from the cover plate, that is, the lower surface of the floating plate 2 and the upper side of the rotating ring 3 are in the same horizontal plane.

[0031] The rotating ring 3 is annular in shape as a whole, and the diameter of the rotating ring 3 is equal to the length of the supporting rod 21, so as to ensure that the floating plate 2 is located outside the rotating ring 3 and there is no collision between the two. The outer surface of the rotating ring 3 away from the collection box 1 is a serrated structure, and this uneven structure can generate water waves and push away obstacles on the water surface. The central axis of the rotating ring 3 coincides with the central axis of the collection box 1, and the rotating ring 3 can rotate around the central axis of the collection box 1. Figure 2 As shown, there is a certain gap between the rotating ring and the collection box 1, ensuring that there will be no collision between the collection box 1 and the rotating ring 3, and no collision between the support rod 21 and the floating plate 2, ensuring that the rotating ring 3 rotates smoothly, and obstacles such as branches and algae around the collection box 1 are rotated away, ensuring that the collection box 1 will not be disturbed by other objects when collecting gas.

[0032] A motor, shaft, and driving wheel are arranged at the inner ring of the rotating ring 3. The motor is connected to the battery through electric wires. The driving wheel and the rotating ring 3 are bevel gears. The driving wheel is arranged above the rotating ring 3 and meshes with the rotating ring 3. The driving wheel is perpendicular to the rotating ring 3. There are four driving wheels, which are symmetrical with each other along the center of the collection box to ensure the stability of the collection box 1. The rotating ring 3 rotates in the horizontal direction, and the driving wheel rotates in the vertical direction. The diameter of the driving wheel is equal to the thickness of the rotating ring 3. The outer edge of the driving wheel is engaged with the inner edge of the rotating ring 3. The four driving wheels rotate in the same direction at the same time. The driving wheel drives the inner and outer rings of the rotating ring 3 to slide relative to each other, realizing the rotation of the rotating ring 3, ensuring that the rotating ring 3 can rotate, and the gears on the outer edge of the rotating ring 3 are used to apply rotational power to the water surface obstacles that the rotating ring 3 contacts; at the same time, water waves are generated to push away the water surface obstacles that are about to contact the collection box 1.

[0033] The driving wheel is connected to the battery 15, and the connected wires can be placed in the connecting rod 31, and the specific method is not limited. More preferably, the outer surface of the rotating ring 3 can be made of a material with a certain elasticity such as inflatable or rubber to ensure that when the rotating ring 3 collides with obstacles or large rocks on the water surface, the rotating ring 3 has a certain buffering effect, thereby avoiding damage to the collection box 1. At the same time, the rotating ring 3 also has a certain weight, so that the static box used for collecting gas on the surface of open water bodies has weight, will not flip over, and will not be able to collect gas.

[0034] The monitoring device includes a camera 41, a display screen and a flow rate measuring instrument 42. Figure 3 As shown, the camera 41 is arranged at the center of the connecting plate 13, and the camera 41 can rotate 360 ​​degrees in a direction parallel to the cover plate 12. The display screen is arranged on the connecting plate 13, which is arranged around the camera 41. The display screen is connected to the camera 41 through an electric wire, and the picture taken by the camera 41 is displayed in real time through the display screen. The flow meter 42 is arranged inside the box body 11, on a side perpendicular to the pipeline 5, and the height of the probe is located above the floating plate 2, ensuring that the flow meter 42 measures the gas flow rate inside the collection box 1. The flow meter 42 is also connected to the display screen, and the gas flow rate measured by the flow meter 42 in real time is displayed.

[0035] The camera 41, the display screen and the flow meter 42 are respectively connected to the battery 15 to ensure the normal operation of each part. The display screen is preferably a flexible screen, and the picture taken by the camera 41 is transmitted to the display screen in real time to ensure that the display screen can display the water surface conditions taken by the camera, and the operator can observe the environmental conditions around the collection box 1 in time.

[0036] When the operator observes the water surface obstacle photographed by the camera 41 through the display screen, the rotating ring 3 is opened, and the rotating ring 3 rotates to generate water waves to push the obstacle away. When the obstacle is away from the collection box 1, the rotating ring 3 is closed, and when the flow meter 42 detects that the air flow in the collection box 1 tends to be stable, the electric lifting rod 14 is driven to make the cover plate 12 drop to the top of the box body 11, close the collection box 11, and start gas collection.

[0037] The pipeline 5 includes a first pipeline 51, a second pipeline 52, a T-tube 53 and a micro air pump 54. The first pipeline 51 includes two, and the second pipeline 52 includes three. The first pipeline 51 is arranged on the side of the box 11 that is perpendicular to the electric lifting rod 14. The first pipeline 51 passes through the side wall of the box 11 and is flush with the inner wall to ensure that the gas in the box 11 can enter the first pipeline 51. The other end of the first pipeline 51 is connected to the second pipeline 52, and the other end of the second pipeline 52 is connected to the air inlet of the micro air pump 54. The air outlet of the micro air pump 54 is connected to the T-tube 53 through the second pipeline 52, and the other end is connected to the second second pipeline 52, and the other end of the second pipeline 52 is connected to another first pipeline 51, forming a complete passage, such as Figure 1 The gas sampling end of the T-tube 53 is sealed with a rubber plug, and when sampling, the sampling can be completed by inserting a syringe into the rubber plug 531.

[0038] The gas sampling operation is repeated several times at fixed intervals. When the sampling is completed, the electric lifting rod 14 is started to rise to discharge the air in the collection box 1. After the sampling is completed, the sample is transferred to the gas chromatograph for analysis, and the concentration of carbon dioxide, methane and other gases in the sample is calculated by comparing with the mark line.

[0039] The first pipe 51 should have a certain hardness to facilitate connection with the second pipe 52, and can ensure that the gas enters the pipe 5 from the collection box 1; the second pipe 52 should be softer to ensure that the gas can be extracted from the collection box 1; and the diameter of the first pipe 51 should be larger than the diameter of the second pipe 52. Preferably, the first pipe 51 of the present application is a hard PU tube, and the diameter of the first tube body is 6mm. The connection between the first pipe 51 and the box body 11 is sealed with glue to prevent air leakage, thereby avoiding the inability to suck out the gas in the collection box 1 due to air leakage. The inner diameter of the second pipe 52 is 4mm, which ensures that the gas flows in the pipe 5. The flow rate of the micro air pump 53 is 1.6L / min; the micro air pump 53 is externally connected to a DC power supply, and the gas flows in the collection box 1, which can effectively sample.

[0040] The battery 15 is arranged outside the box body 11, fixed to the end of the electric lifting rod 14 away from the cover plate 12, and fixed on the same side as the electric lifting rod 14. The battery 15 is electrically connected to the rotating ring 3 to provide electric energy to ensure that the rotating ring 3 pushes away obstacles on the water surface close to the collection box 1 to prevent the collection box 1 from being blocked by obstacles. The battery 15 is also electrically connected to the electric lifting rod 14 to provide the electric lifting rod 14 with the required electric energy to ensure that the cover plate 12 can be raised and lowered to collect gas on the water surface and release gas.

[0041] A static box for collecting gas on the surface of an open water body is first provided with a float 2 to ensure that the collection box 1 can be stabilized on the water surface. Secondly, a rotating ring 3 is provided, which can not only push away obstacles on the water surface to ensure that the water surface around the collection box 1 is clean, but also the rotating ring 3 has a certain weight, which can form a balance with the float 2 to ensure that the collection box is stable on the water surface. Finally, a pipe 5 is provided for sampling to avoid opening the collection box 1 multiple times and affecting the detection results. In summary, the static box for collecting gas on the surface of an open water body does not need to be fixed to the bottom of the water, and can be used in various water bodies with low flow rates. During operation, it has little impact on processes such as water flow, water-gas interaction, and aquatic biological activities.

[0042] The above content is an explanation of the preferred embodiments of the present invention, which can help those skilled in the art to more fully understand the technical solution of the present invention. However, these embodiments are merely illustrative, and it cannot be determined that the specific implementation methods of the present invention are limited to the description of these embodiments. For ordinary technicians in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions and transformations can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims

1. A static box for collecting gas on the surface of an open water body, characterized in that: It includes a collection box, a floating plate, a rotating ring, a monitoring device and a pipeline; the collection box includes a box body, a cover plate, and a connecting plate, the connecting plate is connected to an electric lifting rod, the other end of the electric lifting rod is fixed to the box body, the box body is provided with a battery in the direction where the electric lifting rod is away from the cover plate, and the box body is provided with buckles on four sides respectively; The floating plate is fixed to both ends of the support rod, and the support rod is fixed by the buckle; The box body is provided with a connecting rod at one end away from the cover plate, and the other end of the connecting rod is connected to a rotating ring, and relative sliding occurs between the outer ring and the inner ring of the rotating ring; The monitoring device includes a camera, a display screen and a flow rate meter; the camera is arranged at the center of the connecting plate, and the flow rate meter is arranged on the side of the box body which is perpendicular to the side where the pipeline is located.

2. A static box for collecting gas on the surface of an open water body according to claim 1, characterized in that: The connecting rod is arranged on the four side walls of the box body, and the connecting rod is located below the buckle.

3. A static box for collecting gas on the surface of open water according to claim 2, characterized in that: The side of the rotating ring close to the cover plate is flush with the side of the floating plate away from the cover plate.

4. A static box for collecting gas on the surface of an open water body according to claim 1, characterized in that: The floating plate is a rectangular parallelepiped structure, and the thickness of the floating plate is smaller than the length and width of the floating plate.

5. A static box for collecting gas on the surface of an open water body according to claim 1, characterized in that: The pipeline includes a first pipeline, a second pipeline, a T-tube and a micro air pump; the first pipeline is arranged on a side perpendicular to the electric lifting rod of the box body, and the first pipeline is flush with the inner wall of the box body.

6. A static box for collecting gas on the surface of an open water body according to claim 5, characterized in that: The first pipe diameter is greater than the second pipe diameter.

7. A static box for collecting gas on the surface of an open water body according to claim 1, characterized in that: The camera rotates 360 degrees in a direction parallel to the cover plate.

8. A static box for collecting gas on the surface of open water according to claim 1, characterized in that: The electric lifting rod is provided with a battery on a side away from the cover plate, and the battery is respectively connected to the electric lifting rod, the camera, the display screen and the flow rate measuring instrument.

9. A static box for collecting gas on the surface of an open water body according to claim 1, characterized in that: The support rod is longer than the box body.

10. A static box for collecting gas on the surface of open water according to claim 1, characterized in that: The flow velocity meter is arranged on a side surface perpendicular to the pipeline, and the height of the probe of the flow velocity meter is equal to the height of one side of the floating plate close to the cover plate.

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