CN117147204B - Phytoplankton test device - Google Patents
Phytoplankton test device Download PDFInfo
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- CN117147204B CN117147204B CN202311153485.3A CN202311153485A CN117147204B CN 117147204 B CN117147204 B CN 117147204B CN 202311153485 A CN202311153485 A CN 202311153485A CN 117147204 B CN117147204 B CN 117147204B
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- scraper
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- phytoplankton
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- piece
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000005070 sampling Methods 0.000 claims abstract description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 abstract description 14
- 238000007790 scraping Methods 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 description 7
- 238000000429 assembly Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- 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
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- 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
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
-
- 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
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of marine biology, and particularly relates to a phytoplankton test device. This phytoplankton test device includes three experimental system, and the surface of three experimental system overlaps respectively and is equipped with the plastics net piece of natural light intensity 50%, the plastics net piece of natural light intensity 10% and black cloth, and every experimental system all includes fixed subassembly, three floating subassembly and sampling mechanism, and sampling mechanism includes by last sampling subassembly, well sampling subassembly and the lower sampling subassembly of arranging down in proper order, goes up sampling subassembly, well sampling subassembly and lower sampling subassembly all include scraper, lifting piece and four collection pieces. The three experimental systems are used for testing the influence of different illumination intensities on the phytoplankton structure, the floating component is used for enabling the experimental systems to float on the water surface, the scraping plate piece is used for sampling the phytoplankton, the pulling-up piece is used for pulling the scraping plate piece to rise upwards to sample the phytoplankton, and the collecting piece is used for collecting the phytoplankton.
Description
Technical Field
The invention relates to the technical field of aquatic biology, in particular to a phytoplankton test device.
Background
The phytoplankton test device is an experimental device for simulating and researching the phytoplankton ecosystem. It usually consists of a closed water tank or vessel in which various environmental factors such as light, temperature, nutrient salt concentration, water flow, etc. can be controlled. The adjustment of these variables can simulate the conditions and limitations of phytoplankton growth in an actual natural environment. The phytoplankton test device at the present stage is troublesome in sampling and can not well distinguish the position of the phytoplankton.
Disclosure of Invention
Based on this, it is necessary to provide a phytoplankton test device to solve at least one of the above technical problems.
The utility model provides a phytoplankton community test device, including three experimental system, the surface of three experimental system is equipped with the plastic mesh piece of natural light intensity 50% respectively, natural light intensity 10%'s plastic mesh piece and black cloth, every experimental system all includes fixed subassembly, three showy subassembly and sampling mechanism, fixed subassembly floats on the surface of water, the periphery of fixed subassembly is all fixed mounting in to three showy subassembly, sampling mechanism installs in fixed subassembly's inside, sampling mechanism includes upward sampling subassembly from top to bottom in proper order, well sampling subassembly and lower sampling subassembly, upward sampling subassembly, well sampling subassembly and lower sampling subassembly all install in fixed subassembly's inside, and upward sampling subassembly, well sampling subassembly and lower sampling subassembly all include the scraper, lift piece and four collection pieces, scraper piece fixed mounting is in fixed subassembly's inside, lift piece and scraper piece fixed link to each other, and lift piece is located the top of scraper piece, four collection pieces all fixed mounting in fixed subassembly's periphery.
The three experimental systems are used for testing the influence of different illumination intensities on the phytoplankton structure, the floating assembly is used for enabling the experimental systems to float on the water surface, the upper sampling assembly, the middle sampling assembly and the lower sampling assembly are used for sampling the phytoplankton at the upper, middle and lower three parts of the fixed assembly, and the influence of the three experimental systems on the phytoplankton structure due to different illumination intensities is convenient. The scraper member is used for sampling phytoplankton, the lifting member is used for pulling the scraper member to lift upwards to sample the phytoplankton, and the collecting member is used for collecting the phytoplankton.
In one embodiment, the fixing component comprises a fixing piece and a supporting piece, the fixing piece floats on the water surface, the supporting piece is connected with the fixing piece, the fixing piece comprises a double-layer small ring, three connecting rods and a large ring, the small ring is located above the water surface, the upper ends of the three connecting rods are fixedly connected with the small ring, the large ring is located below the small ring, and the large ring is fixedly connected with the lower ends of the three connecting rods.
In one embodiment, the support member includes a support body, a collection base plate and a support rod, wherein the top of the support body is connected with the small ring through a rope, the collection base plate is mounted at the bottom of the support body, and the bottom of the support rod 122 is inserted at the top of the collection base plate.
In one embodiment, three floating components are all installed on the periphery of the small ring, each floating component comprises a connecting rope and three floating balls, the upper end of the connecting rope is fixedly connected with the small ring, the three floating balls float on the water surface, the top of each floating ball is provided with a penetrating groove, the connecting rope penetrates through the penetrating groove of each floating ball, and the lower end of the connecting rope is fixedly connected with the large ring.
In one embodiment, the scraper members of the upper sampling assembly, the middle sampling assembly and the lower sampling assembly comprise four scraper slide rails, annular scraper members, four squeeze plates, four springs and four baffle members, wherein the four scraper slide rails are respectively and fixedly installed on the side walls of the supporting body, the scraper members are slidably installed in the four scraper slide rails, the side walls of the scraper members are abutted to the side walls of the supporting body, the four squeeze plates are respectively installed at the top of the scraper members, the upper ends of the four springs are fixedly connected with the bottoms of the scraper members, the lower ends of the four squeeze plates are respectively and fixedly connected with the bottoms of the four scraper slide rails, the four baffle members are respectively and slidably installed on the side walls of the supporting body, and the four baffle members are respectively located above the scraper members.
In one embodiment, the scraper element comprises an annular scraper, four arc-shaped water diversion plates and an annular water baffle, the scraper is slidably arranged in the four scraper slide rails, the four arc-shaped water diversion plates are all arranged at the top of the scraper, the water baffle is positioned at one side of the arc-shaped water diversion plates adjacent to the central line of the support rod, the four extrusion plates are respectively arranged at the top of the four arc-shaped water diversion plates, the water storage part is arranged above each extrusion plate, the water storage part is arranged on the side wall of the support body, and water outlets are formed in the two side walls of each water storage part.
In one embodiment, the four baffle elements are respectively located above the four arc-shaped water diversion plates, and each baffle element comprises a baffle sliding rail and a baffle, the baffle sliding rail is inlaid on the side wall of the supporting body, and the baffle is slidably installed in the baffle sliding rail.
In one embodiment, the lifting pieces of the upper sampling assembly, the middle sampling assembly and the lower sampling assembly comprise lifting ropes and clamping blocks, the upper ends of the lifting ropes penetrate through the side walls of the supporting bodies, the clamping blocks are fixedly mounted at the upper ends of the lifting ropes, and the clamping blocks are abutted to the side walls of the supporting bodies.
In one embodiment, the pull-up rope comprises a stretching section, a vertical section and four connecting sections, wherein the stretching section penetrates through the side wall of the support body, the lower end of the stretching section is slidably mounted inside the support rod, the clamping block is fixedly mounted in the stretching section, the vertical section is slidably mounted inside the support rod, the upper end of the vertical section is fixedly connected with the lower end of the stretching section, the lower ends of the four connecting sections are fixedly connected with four extrusion plates respectively, and the upper ends of the four connecting sections are connected with the lower end of the vertical section.
In one embodiment, four collecting pieces of the upper sampling assembly, the middle sampling assembly and the lower sampling assembly are all installed outside the side wall of the supporting body, each collecting piece comprises a collecting pipe, a connecting shell and a containing bottom box, the upper end of the collecting pipe penetrates through the side wall of the supporting body, the side wall of the connecting shell is connected with the lower end of the collecting pipe, and the containing bottom box is installed at the bottom of the connecting shell.
According to the invention, three experimental systems are arranged, and after the experiment is finished, the three experimental systems are pulled out from the pool water. The stretching section of the lower sampling assembly is pulled, the vertical section and the four connecting sections are pulled to move upwards, the four extrusion plates are pulled to move upwards by the four connecting sections, the four extrusion plates move upwards to pull the scraper element to move upwards in the four scraper slide rails, the springs are pulled up, the annular scraper of the scraper element scrapes phytoplankton on the inner side wall of the support body when the scraper element moves upwards, and the scraped phytoplankton is collected on the arc-shaped water diversion plate. Through setting up the scraper blade, move upwards and scrape the phytoplankton on the support body inner sidewall at the scraper blade, until the stripper plate butt is in the bottom of baffle, the scraper blade continues to move upwards, push up the baffle and move upwards in the baffle slide rail, the second spring is installed to the bottom of baffle, the upper end of second spring links to each other with the bottom of baffle fixedly, the lower extreme links to each other with the bottom of baffle slide rail fixedly, open the opening of collecting pipe, the second spring stretches, make the phytoplankton on the arc diversion board collect in the receiver through the collecting pipe; meanwhile, the scraping plate continuously moves upwards, the extruding plate extrudes the water storage part, so that the water storage part extrudes pond water from water outlet holes on two sides, pond water flows out from the water outlet holes and drops into the arc-shaped water diversion plate to be used for flushing phytoplankton in the middle of the arc-shaped water diversion plate, and the phytoplankton can enter the collecting pipe through the water outlet under flushing of the pond water and finally is collected in the collecting bottom box. Make attached in the storage bottom box of lower sampling assembly can be collected to phytoplankton at support body lower extreme, this device is favorable to convenient, the phytoplankton on the quick collection support body lateral wall for carry out different illumination intensity and to the influence of phytoplankton structure, through the tensile section of releasing down sampling assembly, the spring resumes, the spring will pull scraper blade component and move down and resume, scraper blade component pulls the stripper plate and moves down, stripper plate pulling lifting rope moves down, until the spring resumes or the fixture block butt is on the lateral wall of support body. The stripper plate moves downwards, the baffle is influenced by the restoring force of the second spring to move downwards, the opening of the collecting pipe is closed, and the sampling mode of the upper sampling assembly and the middle sampling assembly is the same as that of the lower sampling assembly. Through deviate from the receiver from the coupling shell, contrast phytoplankton community structure in the receiver in three experimental system can obtain different illumination intensity to the influence of phytoplankton structure. The invention can test the influence of different illumination intensities on the phytoplankton structure, and is convenient to sample and easy to compare.
Drawings
Fig. 1 is a schematic perspective view of an embodiment.
FIG. 2 is a schematic cross-sectional view of an embodiment.
Fig. 3 is an enlarged schematic view of fig. 2 a according to an embodiment.
Fig. 4 is a schematic plan view of a squeegee element of an embodiment.
Fig. 5 is a schematic plan view of a storage bottom case according to an embodiment.
In the figure: 10. a fixing assembly; 11. a fixing member; 12. a support; 110. a small circle; 111. a connecting rod; 112. a large circle; 120. a support body; 121. a collection floor; 122. a support rod; 20. a floatation assembly; 21. a connecting rope; 22. a floating ball; 220. a through groove; 30. a sampling mechanism; 31. an upsampling assembly; 32. a middle sampling assembly; 33. a downsampling assembly; 34. a scraper member; 35. a pull-up member; 36. a collection member; 340. a scraper slide rail; 341. a scraper element; 343. a baffle element; 344. a scraper; 345. an arc-shaped water diversion plate; 346. a water baffle; 347. an extrusion plate; 348. a water storage member; 350. pulling up the rope; 351. a clamping block; 352. a stretching section; 353. a vertical section; 354. a connection section; 360. a collection pipe; 361. a connection housing; 362. a storage bottom box; 370. a baffle slide rail; 371. and a baffle.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
An embodiment of the invention is shown in fig. 1 to 5, and is a phytoplankton test device, which comprises three test systems, wherein the surfaces of the three test systems are respectively sleeved with a plastic net with the natural light intensity of 50%, a plastic net with the natural light intensity of 10% and black cloth, each test system comprises a fixing component 10, three floating components 20 and a sampling mechanism 30, the fixing component 10 floats on the water surface, the three floating components 20 are fixedly arranged on the periphery of the fixing component 10, the sampling mechanism 30 is arranged in the fixing component 10, the sampling mechanism 30 comprises an upper sampling component 31, a middle sampling component 32 and a lower sampling component 33 which are sequentially arranged from top to bottom, the upper sampling component 31, the middle sampling component 32 and the lower sampling component 33 are respectively arranged in the fixing component 10, the upper sampling component 31, the middle sampling component 32 and the lower sampling component 33 comprise a scraper 34, a lifting component 35 and four collecting components 36, the scraper 34 is fixedly arranged in the fixing component 10, the lifting component 35 is fixedly connected with the scraper 34, the lifting component 35 is arranged above the scraper 34, and the four collecting components 36 are fixedly arranged on the periphery of the fixing component 10.
The three experimental systems are used for testing the influence of different illumination intensities on the phytoplankton structure, the floating assembly 20 is used for enabling the experimental systems to float on the water surface, the upper sampling assembly 31, the middle sampling assembly 32 and the lower sampling assembly 33 are used for sampling the phytoplankton at the upper, middle and lower three parts of the fixed assembly 10, and the influence of the three experimental systems on the phytoplankton structure due to different illumination intensities is convenient. The scraper 34 is used for sampling phytoplankton, and the lifting piece 35 is used for pulling the scraper 34 upwards to sample the phytoplankton, and the collecting piece 36 is used for collecting the phytoplankton.
As shown in fig. 1 and 2, the fixing assembly 10 includes a fixing member 11 and a supporting member 12, the fixing member 11 floats on the water surface, the supporting member 12 is connected with the fixing member 11, the fixing member 11 includes a double-layer small ring 110, three connecting rods 111 and a large ring 112, the small ring 110 is located above the water surface, the upper ends of the three connecting rods 111 are fixedly connected with the small ring 110, the large ring 112 is located below the small ring 110, and the large ring 112 is fixedly connected with the lower ends of the three connecting rods 111.
As shown in fig. 1 and 2, the supporting member 12 includes a supporting body 120, a collecting bottom plate 121 and a supporting rod 122, wherein the top of the supporting body 120 is connected with the small ring 110 through a rope, the collecting bottom plate 121 is mounted at the bottom of the supporting body 120, and the bottom of the supporting rod 122 is inserted into the top of the collecting bottom plate 121.
As shown in fig. 1 and 2, three floating assemblies 20 are all installed at the periphery of the small ring 110, each floating assembly 20 comprises a connecting rope 21 and three floating balls 22, the upper ends of the connecting ropes 21 are fixedly connected with the small ring 110, the three floating balls 22 float on the water surface, the top of each floating ball 22 is provided with a through groove 220, the connecting ropes 21 are arranged in the through groove 220 of each floating ball 22 in a penetrating way, and the lower ends of the connecting ropes 21 are fixedly connected with the large ring 112.
As shown in fig. 1 to 3, the scraper 34 of the upper sampling assembly 31, the middle sampling assembly 32 and the lower sampling assembly 33 respectively includes four scraper slide rails 340, annular scraper elements 341, four squeeze plates 347, four springs (not shown) and four baffle elements 343, the four scraper slide rails 340 are respectively and fixedly mounted on the side walls of the supporting body 120, the scraper elements 341 are slidably mounted in the four scraper slide rails 340, the side walls of the scraper elements 341 are abutted on the side walls of the supporting body 120, the four squeeze plates 347 are respectively mounted on the top of the scraper elements 341, the upper ends of the four springs are respectively and fixedly connected with the bottom of the scraper elements 341, the lower ends of the four springs are respectively and fixedly connected with the bottom of the four scraper slide rails 340, the four baffle elements 343 are respectively and slidably mounted on the side walls of the supporting body 120, and the four baffle elements 343 are respectively positioned above the scraper elements 341.
As shown in fig. 2 to 4, the scraper member 341 includes an annular scraper 344, four arc-shaped diversion plates 345 and an annular water baffle 346, the scraper 344 is slidably mounted in the four scraper slide rails 340, the four arc-shaped diversion plates 345 are mounted at the top of the scraper 344, the water baffle 346 is located at one side of the arc-shaped diversion plates 345 adjacent to the center line of the support rod 122, four extrusion plates 347 are respectively mounted at the top of the four arc-shaped diversion plates 345, water storage members 348 are mounted above each extrusion plate 347, the water storage members 348 are mounted on the side walls of the support body 120, and water outlets (not shown) are formed in the two side walls of each water storage member 348.
As shown in fig. 1, four baffle elements 343 are respectively located above four arc-shaped water diversion plates 345, and each baffle element 343 includes a baffle slide rail 370 and a baffle 371, the baffle slide rail 370 is inlaid on the side wall of the support 120, and the baffle 371 is slidably mounted in the baffle slide rail 370.
As shown in fig. 1 and 2, the lifting members 35 of the upper sampling assembly 31, the middle sampling assembly 32 and the lower sampling assembly 33 each comprise a lifting rope 350 and a clamping block 351, the upper end of the lifting rope 350 is arranged on the side wall of the supporting body 120 in a penetrating manner, the clamping block 351 is fixedly arranged on the upper end of the lifting rope 350, and the clamping block 351 is abutted against the side wall of the supporting body 120.
As shown in fig. 2 to 4, the pull-up string 350 includes a tensile section 352, a vertical section 353 and four connection sections 354, the tensile section 352 is penetrated through the sidewall of the support body 120, the lower end of the tensile section 352 is slidably mounted inside the support rod 122, the clamping block 351 is fixedly mounted in the tensile section 352, the vertical section 353 is slidably mounted inside the support rod 122, the upper end of the vertical section 353 is fixedly connected with the lower end of the tensile section 352, the lower ends of the four connection sections 354 are fixedly connected with the four extrusion plates 347, respectively, and the upper ends of the four connection sections 354 are connected with the lower end of the vertical section 353.
As shown in fig. 1 and 5, the four collecting members 36 of the upper sampling assembly 31, the middle sampling assembly 32 and the lower sampling assembly 33 are all mounted outside the side wall of the supporting body 120, and each collecting member 36 comprises a collecting tube 360, a connecting shell 361 and a receiving bottom box 362, the upper end of the collecting tube 360 is arranged on the side wall of the supporting body 120 in a penetrating manner, the side wall of the connecting shell 361 is connected with the lower end of the collecting tube 360, and the receiving bottom box 362 is mounted at the bottom of the connecting shell 361.
When in installation: the three floating assemblies 20 are fixedly arranged on the periphery of the fixed assembly 10, the sampling mechanism 30 is arranged inside the fixed assembly 10, the upper sampling assembly 31, the middle sampling assembly 32 and the lower sampling assembly 33 are all arranged inside the fixed assembly 10, the scraper 34 is fixedly arranged inside the fixed assembly 10, and the four collecting members 36 are fixedly arranged on the periphery of the fixed assembly 10. The collecting bottom plate 121 is installed at the bottom of the supporting body 120, the three floating assemblies 20 are all installed at the periphery of the small ring 110, the four scraper slide rails 340 are respectively fixedly installed on the side wall of the supporting body 120, the scraper element 341 is slidably installed in the four scraper slide rails 340, the four squeeze plates 347 are all installed at the top of the scraper element 341, the four baffle element 343 is respectively slidably installed on the side wall of the supporting body 120, the scraper 344 is slidably installed in the four scraper slide rails 340, the four arc-shaped diversion plates 345 are all installed at the top of the scraper 344, the water baffle 346 is installed at the top of the scraper 344, the four squeeze plates 347 are respectively installed at the top of the four arc-shaped diversion plates 345, the water storage member 348 is installed on the side wall of the supporting body 120, and the baffle 371 is slidably installed in the baffle slide rails 370. The fixture block 351 is fixedly installed at the upper end of the pull-up rope 350, the lower end of the stretching section 352 is slidably installed inside the supporting rod 122, the fixture block 351 is fixedly installed in the stretching section 352, the vertical section 353 is slidably installed inside the supporting rod 122, the four collecting pieces 36 of the upper sampling assembly 31, the middle sampling assembly 32 and the lower sampling assembly 33 are all installed outside the side wall of the supporting body 120, and the receiving bottom box 362 is installed at the bottom of the connecting shell 361.
When in use, the utility model is characterized in that: 1. three experiment systems are placed in the same water tank, the three experiment systems float on the water surface, the middle part and the lower part of the supporting body 120 of the three experiment systems are immersed in pool water, the water storage piece 348 is used for absorbing pool water in the water tank, the experiment is finished, and the influence of different illumination intensities on the phytoplankton structure is observed. After the end of the experiment, three experimental systems were pulled out of the pool. Pulling the tensile section 352 of the downsampling assembly 33, the vertical section 353 and the four connecting sections 354 will be pulled up to move upwards, the four squeeze plates 347 are pulled up to move upwards by the four connecting sections 354, the four squeeze plates 347 move upwards to pull the scraper element 341 to move upwards in the four scraper slide rails 340, the springs are pulled up, the annular scraper 344 of the scraper element 341 will scrape phytoplankton on the inner side walls of the support 120 while the scraper element 341 moves upwards, and the scraped phytoplankton is collected on the arc-shaped water diversion plate 345.
2. Four water outlets (not shown) are formed in the periphery of the top of the scraper 344, the four water outlets are located below the extrusion plate 347, the scraper 344 continuously moves upwards to scrape phytoplankton on the inner side wall of the supporting body 120 until the extrusion plate 347 abuts against the bottom of the baffle 371, the scraper 344 continuously moves upwards to push the baffle 371 to move upwards in the baffle sliding rail 370, a second spring (not shown) is mounted on the bottom of the baffle 371, the upper end of the second spring is fixedly connected with the bottom of the baffle 371, the lower end of the second spring is fixedly connected with the bottom of the baffle sliding rail 370, the opening of the collecting pipe 360 is opened, and the second spring stretches to enable the phytoplankton on the arc-shaped water diversion plate 345 to be collected into the storage bottom box 362 through the collecting pipe 360; simultaneously, the scraping plate 344 continues to move upwards, the squeezing plate 347 squeezes the water storage member 348, so that the water storage member 348 squeezes out pond water from water outlet holes on two sides, pond water flows out from the water outlet holes and drops into the arc-shaped water diversion plate 345 to wash phytoplankton in the middle of the arc-shaped water diversion plate 345, and the phytoplankton can enter the collecting pipe 360 through the water drain hole under the flushing of the pond water and finally is collected in the collecting bottom box 362. So that the phytoplankton attached to the lower end of the supporting body 120 can be collected in the storage bottom box 362 of the lower sampling assembly 33, the device is beneficial to convenience and rapidness in collecting the phytoplankton on the side wall of the supporting body 120, and is used for carrying out the influence of different illumination intensities on the phytoplankton structure.
3. The tension section 352 of the downsampling assembly 33 is released, the spring is restored, the spring will pull the scraper element 341 to move downward and restore, the scraper element 341 pulls the squeeze plate 347 to move downward, and the squeeze plate 347 pulls the lift cord 350 to move downward until the spring is restored or the clamp block 351 abuts against the side wall of the support 120. The squeeze plate 347 moves downward, and the shutter 371 moves downward under the influence of the restoring force of the second spring, closing the opening of the collection tube 360, and sampling the upper and middle sampling assemblies 31 and 32 in the same manner as the lower sampling assembly 33. Through deviate from the collecting bottom box 362 from connecting shell 361, contrast among the collecting bottom box 362 among the three experimental system phytoplankton structure can obtain the influence of different illumination intensity to the phytoplankton structure.
The beneficial effects are that: according to the invention, three experimental systems are arranged, and after the experiment is finished, the three experimental systems are pulled out from the pool water. Pulling the tensile section 352 of the downsampling assembly 33, the vertical section 353 and the four connecting sections 354 will be pulled up to move upwards, the four squeeze plates 347 are pulled up to move upwards by the four connecting sections 354, the four squeeze plates 347 move upwards to pull the scraper element 341 to move upwards in the four scraper slide rails 340, the springs are pulled up, the annular scraper 344 of the scraper element 341 will scrape phytoplankton on the inner side walls of the support 120 while the scraper element 341 moves upwards, and the scraped phytoplankton is collected on the arc-shaped water diversion plate 345. Through the arrangement of the scraping plate 344, the scraping plate 344 moves upwards to scrape phytoplankton on the inner side wall of the supporting body 120 until the extruding plate 347 abuts against the bottom of the baffle 371, the scraping plate 344 continues to move upwards to push the baffle 371 to move upwards in the baffle sliding rail 370, a second spring is arranged at the bottom of the baffle 371, the upper end of the second spring is fixedly connected with the bottom of the baffle 371, the lower end of the second spring is fixedly connected with the bottom of the baffle sliding rail 370, an opening of the collecting pipe 360 is opened, and the second spring stretches, so that phytoplankton on the arc-shaped water diversion plate 345 is collected into the storage bottom box 362 through the collecting pipe 360; simultaneously, the scraping plate 344 continues to move upwards, the squeezing plate 347 squeezes the water storage member 348, so that the water storage member 348 squeezes out pond water from water outlet holes on two sides, pond water flows out from the water outlet holes and drops into the arc-shaped water diversion plate 345 to wash phytoplankton in the middle of the arc-shaped water diversion plate 345, and the phytoplankton can enter the collecting pipe 360 through the water drain hole under the flushing of the pond water and finally is collected in the collecting bottom box 362. So that the phytoplankton attached to the lower end of the support body 120 can be collected in the storage bottom box 362 of the lower sampling assembly 33, the device is beneficial to convenience and rapidness, and is used for collecting the phytoplankton on the side wall of the support body 120, and for carrying out the influence of different illumination intensities on the phytoplankton structure, by releasing the stretching section 352 of the lower sampling assembly 33, the spring is recovered, the spring is used for pulling the scraper element 341 to move downwards to recover, the scraper element 341 is used for pulling the squeeze plate 347 to move downwards, and the squeeze plate 347 is used for pulling the lifting rope 350 to move downwards until the spring is recovered or the clamping block 351 is abutted on the side wall of the support body 120. The squeeze plate 347 moves downward, and the shutter 371 moves downward under the influence of the restoring force of the second spring, closing the opening of the collection tube 360, and sampling the upper and middle sampling assemblies 31 and 32 in the same manner as the lower sampling assembly 33. Through deviate from the collecting bottom box 362 from connecting shell 361, contrast among the collecting bottom box 362 among the three experimental system phytoplankton structure can obtain the influence of different illumination intensity to the phytoplankton structure. The invention can test the influence of different illumination intensities on the phytoplankton structure, and is convenient to sample and easy to compare.
All possible combinations of the technical features in the above embodiments are described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above embodiments represent only a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The phytoplankton test device is characterized by comprising three test systems, wherein the surfaces of the three test systems are respectively sleeved with a plastic net sheet with the natural light intensity of 50%, a plastic net sheet with the natural light intensity of 10% and black cloth, each test system comprises a fixing component (10), three floating components (20) and a sampling mechanism (30), the fixing components (10) float on the water surface, the three floating components (20) are fixedly arranged on the periphery of the fixing components (10), the sampling mechanism (30) is arranged in the fixing components (10), the sampling mechanism (30) comprises an upper sampling component (31), a middle sampling component (32) and a lower sampling component (33) which are sequentially arranged from top to bottom, the upper sampling component (31), the middle sampling component (32) and the lower sampling component (33) are all arranged in the fixing component (10), the upper sampling component (31), the middle sampling component (32) and the lower sampling component (33) comprise a scraper (34), a lifting piece (35) and four collecting pieces (36), the scraper (34) is fixedly arranged in the fixing component (10), the lifting piece (35) is fixedly connected with the scraper (34), the lifting piece (35) is arranged above the scraper (34), the four collecting pieces (36) are fixedly arranged on the periphery of the fixing component (10), the fixing component (10) comprises a fixing piece (11) and a supporting piece (12), the fixing piece (11) floats on the water surface, the supporting piece (12) is connected with the fixing piece (11), the fixing piece (11) comprises a double-layer small ring (110), three connecting rods (111) and a large ring (112), the small ring (110) is located above the water surface, the upper ends of the three connecting rods (111) are fixedly connected with the small ring (110), the large ring (112) is located below the small ring (110), the large ring (112) is fixedly connected with the lower ends of the three connecting rods (111), the supporting piece (12) comprises a supporting body (120), a collecting bottom plate (121) and a supporting rod (122), the top of the supporting body (120) is connected with the small ring (110) through a rope, the collecting bottom plate (121) is arranged at the bottom of the supporting body (120), the bottom of the supporting rod (122) is inserted into the top of the collecting bottom plate (121), the three floating components (20) are all arranged on the periphery of the small ring (110), each floating component (20) comprises a connecting rope (21) and three floating balls (22) which are connected with the upper ends of the three floating balls (22) and are all arranged on the water surface, the connecting rope (21) penetrates through the penetrating groove (220) of each floating ball (22), the lower end of the connecting rope (21) is fixedly connected with the large ring (112), the upper sampling assembly (31), the middle sampling assembly (32) and the scraper piece (34) of the lower sampling assembly (33) comprise four scraper slide rails (340), annular scraper elements (341), four extrusion plates (347), four springs and four baffle elements (343), the four scraper slide rails (340) are respectively and fixedly installed on the side wall of the supporting body (120), the scraper elements (341) are slidably installed in the four scraper slide rails (340), the side wall of the scraper elements (341) are abutted to the side wall of the supporting body (120), the four extrusion plates (347) are all installed at the top of the scraper elements (341), the upper ends of the four springs are fixedly connected with the bottom of the scraper elements (341), the lower ends of the four springs are respectively and fixedly connected with the bottom of the four scraper slide rails (340), the four baffle elements (343) are respectively and slidably installed on the side wall of the supporting body (120), and the four baffle elements (343) are respectively located on the side of the scraper elements (343).
2. The phytoplankton test device according to claim 1, wherein: the scraper element (341) comprises an annular scraper (344), four arc-shaped diversion plates (345) and an annular water baffle (346), the scraper (344) is slidably installed in the four scraper sliding rails (340), the four arc-shaped diversion plates (345) are all installed at the top of the scraper (344), the water baffle (346) is located at one side, adjacent to the central line of the supporting rod (122), of the arc-shaped diversion plates (345), four extrusion plates (347) are respectively installed at the top of the four arc-shaped diversion plates (345), water storage pieces (348) are installed above each extrusion plate (347), the water storage pieces (348) are installed on the side walls of the supporting body (120), and water outlets are formed in the two side walls of each water storage piece (348).
3. The phytoplankton test device according to claim 2, characterized in that: four baffle elements (343) are located the top of four arc diversion boards (345) respectively, and every baffle element (343) include baffle slide rail (370) and baffle (371), and baffle slide rail (370) are inlayed on the lateral wall of supporter (120), and baffle (371) are installed in baffle slide rail (370) slidingly.
4. A phytoplankton test device according to claim 3, characterized in that: the lifting pieces (35) of the upper sampling assembly (31), the middle sampling assembly (32) and the lower sampling assembly (33) comprise lifting ropes (350) and clamping blocks (351), the upper ends of the lifting ropes (350) are penetrated through the side walls of the supporting body (120), the clamping blocks (351) are fixedly arranged at the upper ends of the lifting ropes (350), and the clamping blocks (351) are abutted against the side walls of the supporting body (120).
5. The phytoplankton test device according to claim 4, wherein: the pull-up rope (350) comprises a stretching section (352), a vertical section (353) and four connecting sections (354), wherein the stretching section (352) penetrates through the side wall of the supporting body (120), the lower end of the stretching section (352) is slidably mounted inside the supporting rod (122), a clamping block (351) is fixedly mounted in the stretching section (352), the vertical section (353) is slidably mounted inside the supporting rod (122), the upper end of the vertical section (353) is fixedly connected with the lower end of the stretching section (352), the lower ends of the four connecting sections (354) are fixedly connected with four extrusion plates (347) respectively, and the upper ends of the four connecting sections (354) are connected with the lower end of the vertical section (353).
6. The phytoplankton test device according to claim 5, wherein: four collecting pieces (36) of the upper sampling assembly (31), the middle sampling assembly (32) and the lower sampling assembly (33) are all installed outside the side wall of the supporting body (120), each collecting piece (36) comprises a collecting pipe (360), a connecting shell (361) and a containing bottom box (362), the upper end of the collecting pipe (360) penetrates through the side wall of the supporting body (120), the side wall of the connecting shell (361) is connected with the lower end of the collecting pipe (360), and the containing bottom box (362) is installed at the bottom of the connecting shell (361).
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| CN117147204A (en) | 2023-12-01 |
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