CN116296526B - Plankton stable isotope sample collection device - Google Patents
Plankton stable isotope sample collection device Download PDFInfo
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- CN116296526B CN116296526B CN202310560501.4A CN202310560501A CN116296526B CN 116296526 B CN116296526 B CN 116296526B CN 202310560501 A CN202310560501 A CN 202310560501A CN 116296526 B CN116296526 B CN 116296526B
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- zooplankton
- shell
- sampling
- sampling tube
- plankton
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- 238000005070 sampling Methods 0.000 claims abstract description 113
- 238000009434 installation Methods 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims 5
- 241001330002 Bambuseae Species 0.000 claims 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 5
- 239000011425 bamboo Substances 0.000 claims 5
- 238000007789 sealing Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 16
- 230000000712 assembly Effects 0.000 abstract description 8
- 238000000429 assembly Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000012535 impurity Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D44/00—Harvesting of underwater plants, e.g. harvesting of seaweed
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K80/00—Harvesting oysters, mussels, sponges or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Health & Medical Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a plankton stable isotope sample collection device, which relates to the field of sample collection and comprises a shell, wherein an inlet and an outlet are symmetrically arranged on the shell, a sampling assembly is arranged at the outlet, an installation cavity is arranged in the shell, a fixing rod is arranged on the shell, a rotating assembly is arranged on the end part of the fixing rod, which is positioned in the installation cavity, a plurality of fixing pieces are arranged on the rotating assembly, a storage assembly is fixedly connected with the middle part of each fixing piece, and the storage assembly comprises a plankton sampling tube, three sealing assemblies and four connecting parts. The invention has the advantages of no need of movement in the collection process, energy conservation, environmental protection, convenient control of sampling depth, continuous sample collection for different collection points, high collection efficiency, separation of collected zooplankton and phytoplankton, and convenient subsequent sample treatment.
Description
Technical Field
The invention relates to the field of sample collection, in particular to a plankton stable isotope sample collection device.
Background
In the process of detecting the environmental isotopes, plankton in the ocean needs to be sampled, the existing sampling mode is to put a sampling net into the ocean, start a collection ship, drag the sampling net to move for five minutes at a certain ship speed, then take out the sampling net, screen the organisms and impurities in the net and then carry out subsequent treatment. Although the above-mentioned working method can realize the sampling work of plankton, it has certain defects in the course of actual work. Such as: 1. the inconvenient degree of depth of adjusting, owing to take a sample to plankton, consequently the sampling position should be at the sea below certain degree of depth, and adopts the sampling net to take a sample, on the one hand is inconvenient to control the sampling net after putting it to certain degree of depth, on the other hand can drag the sampling net after the collection ship removes, and the sampling net can upwards be moved by the in-process of being dragged, is inconvenient for controlling the degree of depth. 2. The excessive impurity content is inconvenient for subsequent operation, because the sampling net is that the opening is pulled by the fishing boat, in the removal process, can have various organisms and impurity entering sampling net in, leads to the collection screening work of follow-up sample inconvenient. 3. The energy-saving and environment-friendly device is not energy-saving and environment-friendly, and the sampling net is dragged to move through the movement of the acquisition ship, so that the energy consumption is high, and the energy saving is not realized. 4. The collected zooplankton and phytoplankton cannot be separated, so that the subsequent treatment of the specimen is inconvenient.
Disclosure of Invention
The invention aims to provide a plankton stable isotope sample collection device, which aims to solve the technical problems of inconvenient depth adjustment of a sampling net and excessive sampling impurities in the prior art.
The invention provides a plankton stable isotope sample collection device which comprises a shell, wherein an inlet and an outlet are symmetrically arranged on the shell, a sampling assembly is arranged at the outlet, a mounting cavity is arranged in the shell, a fixing rod which is rotationally connected with the shell is arranged on the shell, one end of the fixing rod extends into the mounting cavity, a rotating assembly is arranged at the end part of the fixing rod, which is positioned in the mounting cavity, the rotating assembly is in transmission connection with the shell, a plurality of circumferentially distributed fixing pieces are arranged on the rotating assembly, a storage assembly is fixedly connected with the middle part of each fixing piece, the storage assembly comprises a plankton sampling tube, three sealing assemblies and four horn-shaped connecting parts, one ends of the plankton sampling tube and the plankton sampling tube are connected with the sealing assemblies through the connecting parts, and one ends of the plankton sampling tube and the plankton sampling tube, which are adjacent, are connected with a third sealing assembly through the connecting parts.
Further, the rotating assembly comprises a fixed shell and a rotating motor, wherein the fixed shell is fixedly connected with one end of the fixed rod, which is positioned in the mounting cavity, and the rotating motor is mounted in the fixed shell and the output end of the rotating motor is fixedly connected with the shell.
Further, the sampling assembly comprises a connecting cylinder, a connecting frame, a sampling motor, a turbine and a protective net, wherein the connecting cylinder is installed at the outlet and is coaxially arranged with the outlet, the sampling motor is installed in the connecting cylinder through the connecting frame, the turbine is arranged at the output end of the sampling motor, and the protective net is arranged at one end of the connecting cylinder far away from the shell.
Further, seal assembly includes installation department and closing plate, the tip fixed connection of installation department and connecting portion, the tip of connecting portion is connected with zooplankton sampling tube or zooplankton sampling tube is detachable, the closing plate sets up in the installation department, one side of closing plate is equipped with the articulated portion, and the closing plate passes through the articulated portion and articulates with the installation department, be equipped with the arc mouth that supplies the closing plate to rotate to the installation department outside on the lateral wall of installation department, the articulated portion is equipped with the torsional spring with the articulated department of installation department, the one end of articulated portion towards the installation department outside is equipped with the protruding portion, be equipped with three dog corresponding with protruding portion in the three seal assembly respectively between inlet port and the discharge port.
Further, the both ends of zooplankton sampling tube are equipped with first filter screen and second filter screen respectively, first filter screen sets up the one end that is close to the inlet port at the zooplankton sampling tube, the second filter screen sets up the one end that is close to the zooplankton sampling tube at the zooplankton sampling tube, the mesh of first filter screen is greater than the mesh of second filter screen, the one end that the zooplankton sampling tube was kept away from to the zooplankton sampling tube is equipped with the third filter screen, the mesh of third filter screen is less than the mesh of second filter screen.
Further, one end of the fixing rod, which is positioned outside the shell, is provided with a connecting ring fixedly connected with the fixing rod.
Further, a connecting door is arranged on the side wall of the shell.
Further, a balancing weight is arranged on the side wall of the shell, and an air bag is arranged at the position, opposite to the balancing weight, on the shell.
Compared with the prior art, the invention has the beneficial effects that:
(1) In the sampling process, when the sampling device moves to a sampling point, the collection device is directly placed into water, the depth of the rope controller is controlled by the collection device, the collection device is simpler and more convenient, and the collection device cannot move in a large range in the sampling process so as not to influence the depth of the collection device.
(2) The invention does not need to move in the sampling process, and does not need to drag the acquisition device by using the acquisition ship to move, thereby reducing the energy consumption and achieving the effects of energy conservation and environmental protection.
(3) The device can sample different sampling points in sequence, and the device is not required to be cleaned in the sampling interval process, so that the sampling efficiency can be effectively improved compared with the trawl sampling method in the prior art.
(4) When the storage component is communicated with the inlet and the outlet, the sampling component works, and a large amount of plankton can be trapped in the storage component in the process of continuously passing through the storage component, so that the storage component can collect a large amount of plankton in a small volume. The whole volume of the equipment is reduced.
(5) When the zooplankton separating device works, zooplankton can be intercepted in the zooplankton sampling tube through the action of the second filter screen, and the zooplankton can pass through the second filter screen to enter the zooplankton sampling tube, so that the zooplankton and the zooplankton sample are subjected to preliminary separation, and the subsequent workload of separating the zooplankton and the zooplankton can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a first view of the present invention;
FIG. 2 is a schematic perspective view of a second view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view of the present invention;
fig. 6 is an enlarged view at B in fig. 5.
Reference numerals: 1. a housing; 2. an access port; 3. a discharge port; 4. a sampling assembly; 41. a connecting cylinder; 42. a connecting frame; 43. a sampling motor; 44. a turbine; 45. a protective net; 5. a mounting cavity; 6. a fixed rod; 7. a rotating assembly; 71. a fixed case; 72. a rotating motor; 8. a fixing member; 9. a storage assembly; 10. a seal assembly; 101. a connection part; 102. a mounting part; 103. a sealing plate; 104. a hinge part; 105. a protruding portion; 106. a stop block; 11. a first filter screen; 12. a second filter screen; 13. a connecting ring; 14. a connecting door; 15. balancing weight; 16. an air bag; 17. zooplankton sampling tube; 18. phytoplankton sampling tube; 19. and a third filter screen.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.
The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, an embodiment of the present invention provides a stable isotope sample collection device for plankton, including a housing 1, an inlet 2 and an outlet 3 are symmetrically disposed on the housing 1, a sampling assembly 4 is disposed at the outlet 3, a mounting cavity 5 is disposed inside the housing 1, a fixing rod 6 rotatably connected with the housing 1 is disposed on the housing 1, one end of the fixing rod 6 extends into the mounting cavity 5, a rotating assembly 7 is disposed at an end of the fixing rod 6 located in the mounting cavity 5, the rotating assembly 7 is in transmission connection with the housing 1, a plurality of circumferentially distributed fixing members 8 are disposed on the rotating assembly 7, a storage assembly 9 is fixedly connected to a middle portion of each fixing member 8, the storage assembly 9 includes a plankton sampling tube 17, a plankton sampling tube 18, three sealing assemblies 10 and four horn-shaped connection portions 101, one end of each of the zooplankton sampling tube 17 and the zooplankton sampling tube 18 is connected with the sealing component 10 through the connecting part 101, one end of each of the zooplankton sampling tube 17 and the zooplankton sampling tube 18 adjacent to each other is connected with the third sealing component 10 through the connecting part 101, when the device is operated, the device is taken out and connected with the winding and unwinding rope through the sampling boat, the device is operated through the rotating component 7, the inlet port 2 and the outlet port 3 are positioned between the two storage components 9, the device is placed into water to enable the device to sink, the depth of the device is controlled through the winding and unwinding rope, when the device is sunk to a designated depth, the rotating component 7 is operated to drive the shell 1 to rotate, the inlet port 2 and the outlet port 3 are rotated to two ends of one of the storage components 9, the three sealing components 10 in the storage components 9 are opened, the device is operated through the sampling component 4 to pump water, after the work is completed, the rotating assembly 7 works again, the inlet 2 and the outlet 3 on the shell 1 are separated from the two ends of the storage assembly 9, three sealing assemblies 10 in the storage assembly 9 after the sampling is completed are closed, water and plankton staying in the storage assembly 9 can be preserved, and then the sampling point can be replaced, so that the rotating assembly 7 drives the shell 1 to rotate again, the inlet 2 and the outlet 3 rotate to the next storage assembly 9 for sampling work, and the work is repeated until the sampling is completed.
In the sampling process, when the sampling device moves to a sampling point, the collection device is directly placed into water, the depth of the rope controller is controlled by the collection device, the collection device is simpler and more convenient, and the collection device cannot move in a large range in the sampling process so as not to influence the depth of the collection device. In addition, the invention does not need to move in the sampling process, and does not need to drag the acquisition device by using the acquisition ship to move, thereby reducing the energy consumption and achieving the effects of energy conservation and environmental protection.
Specifically, the rotating assembly 7 includes a fixed housing 71 and a rotating motor 72, the fixed housing 71 is fixedly connected with one end of the fixed rod 6 located in the installation cavity 5, the rotating motor 72 is installed in the fixed housing 71, and an output end of the rotating motor 72 is fixedly connected with the housing 1. During specific work, the shell 1 is driven to rotate through the operation of the rotating motor 72, and then the inlet 2 and the outlet 3 can be rotated to different storage assemblies 9, so that different storage assemblies 9 are opened for sampling work, different sampling points can be sampled sequentially through the device, the device is not required to be cleaned in the sampling interval process, and the sampling efficiency can be effectively improved compared with the trawl sampling method for the center in the prior art.
Specifically, the sampling assembly 4 includes a connection cylinder 41, a connection frame 42, a sampling motor 43, a turbine 44 and a protection net 45, the connection cylinder 41 is installed at the discharge port 3 and the connection cylinder 41 is coaxially arranged with the discharge port 3, the sampling motor 43 is installed in the connection cylinder 41 through the connection frame 42, the turbine 44 is arranged on the output end of the sampling motor 43, and the protection net 45 is arranged on the end of the connection cylinder 41 far away from the shell 1; in particular operation, the sampling motor 43 operates to drive the turbine 44 to rotate to move the water flow, and when the storage assembly 9 is in communication with the inlet 2 and the outlet 3, the water flow enters the storage assembly 9 from the inlet 2 and is discharged from the outlet 3. The protection net 45 is used for protecting the turbine 44 and the sampling motor 43 from the entry of organisms or impurities into the connecting cylinder 41 during the operation, especially during the sinking and floating of the collecting device.
Specifically, the seal assembly 10 includes a mounting portion 102 and a sealing plate 103, the mounting portion 102 is fixedly connected with a small opening end of the connecting portion 101, a large opening end of the connecting portion 101 is detachably connected with the zooplankton sampling tube 17 or the zooplankton sampling tube 18, the sealing plate 103 is arranged in the mounting portion 102, one side of the sealing plate 103 is provided with a hinge portion 104, the sealing plate 103 is hinged with the mounting portion 102 through the hinge portion 104, an arc-shaped opening for the sealing plate 103 to rotate to the outside of the mounting portion 102 is arranged on the side wall of the mounting portion 102, a torsion spring is arranged at the hinge portion of the hinge portion 104 and the mounting portion 102, a protruding portion 105 is arranged at one end of the hinge portion 104 facing the outside of the mounting portion 102, and three stoppers 106 corresponding to the protruding portions 105 in the three seal assemblies 10 are arranged between the inlet port 2 and the outlet port 3; as shown in fig. 6, when the housing 1 rotates to make the inlet 2 and the outlet 3 gradually move to two ends of the storage component 9, the stop block 106 collides with the protruding portion 105, so that the sealing plate 103 overcomes the torsion spring to rotate, so that the sealing plate 103 rotates out from the arc opening, and both ends of the storage component 9 are opened, so that the sampling work can be performed.
Specifically, both ends of zooplankton sampling tube 17 are equipped with first filter screen 11 and second filter screen 12 respectively, and first filter screen 11 sets up the one end that is close to inlet port 2 at zooplankton sampling tube 17, and second filter screen 12 sets up the one end that is close to zooplankton sampling tube 18 at zooplankton sampling tube 17, and the mesh of first filter screen 11 is greater than the mesh of second filter screen 12, and the one end that zooplankton sampling tube 18 kept away from zooplankton sampling tube 17 is equipped with third filter screen 19, and the mesh of third filter screen 19 is less than the mesh of second filter screen 12. Specifically, when the storage assembly 9 is communicated with the inlet 2 and the outlet 3, the sampling assembly 4 works, when water flows from the inlet 2 into the storage assembly 9, large impurities are filtered through the first filter screen 11, then the water flows into the zooplankton sampling tube 17, zooplankton stays in the zooplankton sampling tube 17 under the interception of the second filter screen 12, the zooplankton passes through the second filter screen 12, enters the zooplankton sampling tube 18 and is intercepted by the third filter screen 19, and excessive water is discharged from the outlet 3, so that a large amount of zooplankton can be collected by the storage assembly 9 in a smaller volume. The whole volume of equipment is reduced, moreover, the zooplankton is held back in zooplankton sampling tube 17, and the zooplankton is held back in zooplankton sampling tube 18, can carry out preliminary separation to zooplankton and zooplankton, later separates the zooplankton sampling tube 17 and zooplankton sampling tube 18 through three seal assembly 10 and seals, is convenient for follow-up separation processing to the zooplankton sample.
Specifically, one end of the fixing rod 6 located outside the housing 1 is provided with a connecting ring 13 fixedly connected with the fixing rod, and the connecting ring 13 is used for being connected with a winding and unwinding rope.
Specifically, the connecting door 14 is provided on the side wall of the housing 1, and the storage assembly 9 can be taken out by opening the connecting door 14, so that the storage assembly 9 can be easily reinstalled in the housing 1 after the storage assembly 9 is cleaned.
Specifically, be equipped with balancing weight 15 on the lateral wall of shell 1, the position that is opposite to balancing weight 15 on the shell 1 is equipped with gasbag 16, and balancing weight 15 and gasbag 16's setting can make collection system keep certain gesture in water, and inlet port 2 and discharge port 3 are the horizontal orientation promptly. This facilitates the passage of plankton into the storage module 9.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. The utility model provides a stable isotope sample collection device of plankton which characterized in that: including shell (1), symmetry sets up inlet port (2) and discharge port (3) on shell (1), discharge port (3) department is equipped with sample subassembly (4), the inside installation cavity (5) that is equipped with of shell (1), be equipped with on shell (1) rather than rotating the dead lever (6) that is connected, in the one end extension of dead lever (6) goes into installation cavity (5), be equipped with rotation subassembly (7) on the tip that dead lever (6) are located installation cavity (5), rotation subassembly (7) are connected with shell (1) transmission, be equipped with a plurality of mounting (8) that are circumference distribution on rotation subassembly (7), every equal fixedly connected with in middle part of mounting (8) stores subassembly (9), store subassembly (9) including zooplankton sample section of thick bamboo (17), zooplankton sample section of thick bamboo (18), three seal assembly (10) and four are loudspeaker form connecting portion (101), and one end of zooplankton sample section of thick bamboo (17) and zooplankton sample section of thick bamboo (18) all are connected with seal assembly (10) and three seal assembly (101) and are connected with first end (101) of zooplankton sample section of thick bamboo (10), the utility model discloses a zooplankton sampling tube, including zooplankton sampling tube (17) and zooplankton sampling tube, the both ends of zooplankton sampling tube (17) are equipped with first filter screen (11) and second filter screen (12) respectively, first filter screen (11) set up the one end that is close to inlet port (2) at zooplankton sampling tube (17), second filter screen (12) set up the one end that is close to zooplankton sampling tube (18) at zooplankton sampling tube (17), the mesh of first filter screen (11) is greater than the mesh of second filter screen (12), the one end that zooplankton sampling tube (18) kept away from zooplankton sampling tube (17) is equipped with third filter screen (19), the mesh of third filter screen (19) is less than the mesh of second filter screen (12).
2. A plankton-stable isotope sample collection apparatus in accordance with claim 1 wherein: the rotating assembly (7) comprises a fixed shell (71) and a rotating motor (72), wherein the fixed shell (71) is fixedly connected with one end of the fixed rod (6) located in the mounting cavity (5), and the rotating motor (72) is installed in the fixed shell (71) and the output end of the rotating motor (72) is fixedly connected with the shell (1).
3. A plankton-stable isotope sample collection apparatus in accordance with claim 1 wherein: the sampling assembly (4) comprises a connecting cylinder (41), a connecting frame (42), a sampling motor (43), a turbine (44) and a protective screen (45), wherein the connecting cylinder (41) is installed at the outlet (3) and the connecting cylinder (41) is coaxially arranged with the outlet (3), the sampling motor (43) is installed in the connecting cylinder (41) through the connecting frame (42), the turbine (44) is arranged at the output end of the sampling motor (43), and the protective screen (45) is arranged at one end, far away from the shell (1), of the connecting cylinder (41).
4. A plankton-stable isotope sample collection apparatus in accordance with claim 1 wherein: seal assembly (10) are including installation department (102) and closing plate (103), the tip fixed connection of installation department (102) and connecting portion (101), the tip of connecting portion (101) is connected with zooplankton sampling tube (17) or zooplankton sampling tube (18) detachably, closing plate (103) set up in installation department (102), one side of closing plate (103) is equipped with articulated portion (104), and closing plate (103) are articulated with installation department (102) through articulated portion (104), be equipped with the arc mouth that supplies closing plate (103) to rotate to the installation department (102) outside on the lateral wall of installation department (102), articulated portion (104) are equipped with the torsional spring with the articulated department of installation department (102), the one end of articulated portion (104) outside towards installation department (102) is equipped with protruding portion (105), be equipped with between inlet port (2) and outlet port (3) three dog (106) corresponding with protruding portion (105) in three seal assembly (10) respectively.
5. A plankton-stable isotope sample collection apparatus in accordance with claim 1 wherein: one end of the fixed rod (6) positioned outside the shell (1) is provided with a connecting ring (13) fixedly connected with the fixed rod.
6. A plankton-stable isotope sample collection apparatus in accordance with claim 1 wherein: the side wall of the shell (1) is provided with a connecting door (14).
7. A plankton-stable isotope sample collection apparatus in accordance with claim 1 wherein: the side wall of the shell (1) is provided with a balancing weight (15), and the position, opposite to the balancing weight (15), of the shell (1) is provided with an air bag (16).
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CN202310560501.4A CN116296526B (en) | 2023-05-18 | 2023-05-18 | Plankton stable isotope sample collection device |
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CN202310560501.4A CN116296526B (en) | 2023-05-18 | 2023-05-18 | Plankton stable isotope sample collection device |
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CN116296526A CN116296526A (en) | 2023-06-23 |
CN116296526B true CN116296526B (en) | 2023-08-22 |
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Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
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