CN110346240A - Plankton density measuring equipment and method - Google Patents
Plankton density measuring equipment and method Download PDFInfo
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- CN110346240A CN110346240A CN201910521677.2A CN201910521677A CN110346240A CN 110346240 A CN110346240 A CN 110346240A CN 201910521677 A CN201910521677 A CN 201910521677A CN 110346240 A CN110346240 A CN 110346240A
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- quantitation tube
- piston
- surge drum
- plankton
- unidirectional
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N9/04—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of fluids
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of plankton density measuring equipment and methods, it is intended to which it is inconvenient to solve plankton density measure, large labor intensity, the low deficiency of accuracy of measurement.The invention includes quantitation tube, surge drum, quantitation tube lower end is installed by unidirectional tapping valve, installation pushes piston in quantitation tube, piston is pushed to be equipped with several inlet openings, unidirectional feed liquor valve block is installed on inlet opening, surge drum may be rotatably mounted at quantitation tube lower end, surge drum bottom surface is equipped with drainage cloth, several partitions are uniformly arranged in surge drum, partition will be separated into several collection boxes in surge drum, collect and connect poke rod on drum outer wall, install locating cover above quantitation tube, it pushes and connects piston rod on piston, piston rod runs through locating cover；Piston rod is equipped with rack gear, and driving bevel gear, driven wheel of differential are installed between quantitation tube and locating cover, and driving bevel gear is equipped with meshing gear, and meshing gear is engaged with rack adaptation, installs impeller on driven wheel of differential.
Description
Technical field
The present invention relates to a kind of metering device, more specifically, it relates to a kind of plankton density measuring equipment and
Method.
Background technique
Currently, the practices well of Marine Planktonic animals and plants density measure is artificial dragging collecting net, plankton is received
Collect in collecting net, often drags the numerical value above a disposable paper notes flowmeter of record, inconvenient, accuracy is low, and drags
Net heavier, operation is painstaking, large labor intensity.
Summary of the invention
The present invention overcomes plankton density measure is inconvenient, large labor intensity, the low deficiency of accuracy of measurement,
A kind of plankton density measuring equipment and method are provided, plankton density measure is easy to operate, reduces labour
Intensity substantially increases accuracy of measurement.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme: a kind of plankton density measure fills
It sets, including quantitation tube, surge drum, unidirectional tapping valve is installed in quantitation tube lower end, and installation pushes piston in quantitation tube, pushes on piston
Equipped with several inlet openings, unidirectional feed liquor valve block is installed on inlet opening, is tightly connected several limits from top to bottom on quantitation tube side wall
Stud, limit stud end can be protruded into for the limit to piston is pushed in quantitation tube, and surge drum may be rotatably mounted at quantitation tube
Lower end, surge drum bottom surface are equipped with several limbers, and surge drum bottom surface is equipped with drainage cloth, be uniformly arranged in surge drum it is several every
Plate, partition will be separated into several collection boxes in surge drum, rotation surge drum makes any collection box that can be placed in unidirectional tapping valve
Lower section collects and connects poke rod on drum outer wall, installs locating cover above limited cover, pushes and connects piston rod, piston rod on piston
Through locating cover, positions on cover outer wall and partition corresponds and is equipped with several positioning grooves, bumper post is installed on poke rod, is delayed
Rushing column can be connected in positioning groove；Piston rod is equipped with rack gear, and driving bevel gear, driven is installed between quantitation tube and locating cover
Bevel gear, driving bevel gear and driven wheel of differential engaged transmission, driving bevel gear are equipped with meshing gear, engaging tooth wheel and rack
Engagement is adapted to, and impeller is installed on driven wheel of differential, and piston rod moves up impeller rotation to drive water flow to quantitation tube
Direction flowing；Piston rod moves down impeller rotation to drive water flow to flow to locating cover direction.
When using plankton density measuring equipment to plankton density measure in water, comprising the following steps:
A, the bottom that piston will be pushed to push down on quantitation tube, the limit of the volume selection suitable position for the quantitation tube used as needed
Position stud, and the limit stud, which is screwed inwardly into, enables limit stud to limit promotion piston；B, quantitation tube is placed in
It needs to be flooded quantitation tube not in the water to plankton density measure；C, piston rod is pulled up, piston rod drive pushes away
Piston slides up to the limit stud position inwardly stretched out, and unidirectional feed liquor valve block during piston upward sliding is pushed to beat
It opens, water flow enters in quantitation tube the lower section for pushing piston by inlet opening, unidirectional feed liquor valve block, and piston rod moves up band movable vane
Wheel rotation is conducive to the unlatching of unidirectional feed liquor valve block to drive water flow to flow to quantitation tube direction, enters convenient for water flow quantitative
In cylinder；D, it pulls down piston rod, pushes piston slide downward, unidirectional feed liquor valve block is by feed liquor bore closure, unidirectional drain at this time
Valve is opened, and water flow flows into collection box by unidirectional tapping valve, and after the filtering of drainage cloth, plankton stays in drainage
On cloth, piston rod moves down impeller and rotates backward that water flow is driven to flow to locating cover direction, to pushing away in quantitation tube
Water flow above piston is aspirated, and is increased the lid resultant force of unidirectional feed liquor valve block, is made the more tight of unidirectional feed liquor valve block lid；
E, after pushing piston to reach quantitation tube bottom, surge drum rotation is driven by poke rod, bumper post, which slides into, another adjacent to be determined
In the groove of position, another adjacent collection box is turned to below unidirectional tapping valve；F, step c, d, e are repeated, until all collection boxes
All complete the collection of plankton；G, entire plankton density measuring equipment is taken out from water, calculates each collection
The quantity or weight n for the plankton being collected into box, the volume N of the quantitation tube used are calculated in unit volume
The amount of plankton is n/N.
The water body got every time can be made more accurate using quantitation tube, be conducive to improve precision, surge drum is separated into
Several collection boxes can be completed repeatedly to measure after being lauched plankton density measuring equipment once, can be once lauched pair
Different waters positions measure, and operate more convenient.It all completes after sampling is collected etc. all collection boxes again by plankton
Density measuring equipment water outlet carries out quantitative measurment to plankton, to calculate the amount of the plankton in unit volume.
Piston rod moves up impeller rotation to drive water flow to flow to quantitation tube direction, is conducive to opening for unidirectional feed liquor valve block
It opens, enters in quantitation tube convenient for water flow；Piston rod moves down impeller rotation to drive water flow to flow to locating cover direction
It is dynamic, it pushes the water flow above piston to aspirate in quantitation tube, increases the lid resultant force of unidirectional feed liquor valve block, make unidirectional liquid feed valve
Piece lid it is more tight.This plankton density measuring equipment is easy to operate to plankton collection measurement, reduces
Labor intensity substantially increases accuracy of measurement, improves work efficiency simultaneously.
Preferably, unidirectional tapping valve includes valve seat, valve ball, abuts spring, spring base, valve seat is equipped with valve opening, valve opening
Inner wall is equipped with the sealing surface of truncated cone-shaped, abuts spring and is mounted between spring base and valve ball, valve ball is sealed against in sealing surface
On.The unidirectional tapping valve good airproof performance of this structure, long service life.
Preferably, quantitation tube lower end is equipped with positioning column, it is equipped with pivoted housing among surge drum, pivoted housing movable set is in positioning column
On, positioning column lower end connects support plate, and surge drum lower end is supported in support plate.Positioning column and being provided with for pivoted housing are conducive to collect
The smooth rotation of cylinder, pivoted housing lower end is supported on the stationarity that entire surge drum is improved in support plate.
Preferably, support plate lower end surface is equipped with mounting groove, air bag is installed in mounting groove, air bag is connected to gas tube, fills
Tracheae extends to above locating cover.Before lifting entire plankton density measuring equipment upwards, by gas tube to gas
Intracapsular inflation, bloats air bag, considerably increases buoyancy, keeps the lifting of plankton density measuring equipment more laborsaving.
Preferably, being set with interior bezel ring, on the pivoted housing of surge drum bottom surface, outer cover is installed close to inner wall position in surge drum bottom surface
Ring, in a ring, drainage cloth outer edge is installed tightly between surge drum bottom surface and outer bezel ring, drainage cloth, the installation of drainage cloth inward flange
Between surge drum bottom surface and interior bezel ring,.The installation of drainage cloth is steady reliable, and drainage effect is good.
Several slots are equipped with preferably, corresponding with partition on outer bezel ring, interior bezel ring, partition outer end is inserted into outer
In slot on bezel ring, partition inner end is inserted into the slot on interior bezel ring,.Partition both ends are separately mounted to outer bezel ring, and inner cover
In slot on ring, installation is reliable, convenient for disassembly and assembly.
Preferably, connecting bracket between quantitation tube and locating cover, pedestal lower end connects dead ring, and dead ring is fastenedly connected
In quantitation tube upper end, driving bevel gear and driven wheel of differential are installed on bracket.Bracket convenient for locating cover, driving bevel gear,
The installation of driven wheel of differential.
A kind of measurement method using plankton density measuring equipment, comprising the following steps: a, will push piston to
Under be pushed to the bottom of quantitation tube, the limit stud of the volume selection suitable position for the quantitation tube used as needed, and should
Limit stud, which is screwed inwardly into, enables limit stud to limit promotion piston；B, quantitation tube is placed in needs to dynamic plant of swimming
In the water of object density measure, it is flooded quantitation tube not；C, piston rod is pulled up, piston rod, which drives, pushes piston upward sliding
To the limit stud position inwardly stretched out, unidirectional feed liquor valve block during piston upward sliding is pushed to open, water flow by into
Fluid apertures, unidirectional feed liquor valve block enter in quantitation tube the lower section for pushing piston, and piston rod moves up impeller rotation to band
Dynamic water flow is flowed to quantitation tube direction, is conducive to the unlatching of unidirectional feed liquor valve block, is entered in quantitation tube convenient for water flow；D, it is pressed downward
Piston bar pushes piston slide downward, and feed liquor bore closure, unidirectional tapping valve are opened by unidirectional feed liquor valve block at this time, water flow
By unidirectional tapping valve flow into collection box in, after the filtering of drainage cloth, plankton is stayed on drainage cloth, piston rod to
Lower mobile impeller rotates backward that water flow is driven to flow to locating cover direction, to the water pushed above piston in quantitation tube
Stream is aspirated, and is increased the lid resultant force of unidirectional feed liquor valve block, is made the more tight of unidirectional feed liquor valve block lid；E, piston is pushed to reach
Behind quantitation tube bottom, surge drum rotation is driven by poke rod, bumper post slides into another adjacent positioning groove, Ling Yixiang
Adjacent collection box turns to below unidirectional tapping valve；F, step c, d, e are repeated, until all collection boxes all complete plankton
Collection；G, entire plankton density measuring equipment is taken out from water, calculates swimming of being collected into each collection box
The quantity or weight n of animals and plants, the volume N of the quantitation tube used, the amount for calculating the plankton in unit volume are
n/N。
Compared with prior art, the beneficial effects of the present invention are: plankton density measure is easy to operate, labor is reduced
Fatigue resistance substantially increases accuracy of measurement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the top view of surge drum of the invention；
In figure: 1, quantitation tube, 2, surge drum, 3, unidirectional tapping valve, 4, promotion piston, 5, inlet opening, 6, unidirectional feed liquor valve block, 7,
Limit stud, 8, limbers, 9, drainage cloth, 10, partition, 11, collection box, 12, poke rod, 13, locating cover, 14, positioning groove,
15, bumper post, 16, rack gear, 17, driving bevel gear, 18, driven wheel of differential, 19, meshing gear, 20, impeller, 21, valve seat, 22,
Valve ball, 23, abutting spring, 24, spring base, 25, piston rod, 26, sealing surface, 27, positioning column, 28, pivoted housing, 29, support plate,
30, mounting groove, 31, air bag, 32 gas tubes, 33, high pressure tank, bezel ring, in 34,35, outer bezel ring, 36, slot, 37, buffering
Cylinder, 38, end cap, 39, positioning ring, 40, bracket, 41, dead ring.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention is further described:
Embodiment: a kind of plankton density measuring equipment (referring to attached drawing 1, attached drawing 2), including quantitation tube 1, surge drum 2, it is fixed
Unidirectional tapping valve 3 is installed in graduated cylinder lower end, and unidirectional tapping valve includes valve seat 21, valve ball 22, abuts spring 23, spring base 24, valve seat
It is equipped with valve opening, valve opening inner wall is equipped with the sealing surface 26 of truncated cone-shaped, and it abuts spring and is mounted between spring base and valve ball, valve ball
It seals against on sealing surface.Installation pushes piston 4 in quantitation tube, pushes piston to be equipped with several inlet openings 5, pacifies on inlet opening
Unidirectional feed liquor valve block 6 is filled, is tightly connected several limit studs 7 on quantitation tube side wall from top to bottom, limit stud end can protrude into
For the limit to piston is pushed in quantitation tube, surge drum may be rotatably mounted at quantitation tube lower end, surge drum upper inside wall activity
It is sleeved on the outer wall of quantitation tube lower part, quantitation tube lower end is equipped with positioning column 27, is equipped with pivoted housing 28, pivoted housing movable sleeve among surge drum
On positioning column, positioning column lower end connects support plate 29, and surge drum lower end is supported in support plate.Support plate is set on lower end surface
There is mounting groove 30, air bag 31 is installed in mounting groove, air bag is connected to gas tube 32, and gas tube extends to above locating cover, gas tube
It is upper that charge valve and vent valve are installed close to upper end position.Gas tube is connected to high pressure tank 33, and high pressure tank is installed aboard ship.
Surge drum bottom surface is equipped with several limbers 8, and surge drum bottom surface is equipped with drainage cloth 9, if being uniformly arranged in surge drum
Dry partition 10, partition will be separated into several collection boxes 11 in surge drum, rotation surge drum makes any collection box that can be placed in list
It below to tapping valve, collects and connects poke rod 12 on drum outer wall, locating cover 13 is installed above limited cover, push to connect on piston and live
Stopper rod 25, piston rod run through locating cover, and locating cover positions piston rod, the T-shaped structure in piston rod upper end, position cover outer wall
Upper and partition, which corresponds, is equipped with several positioning grooves 14, installs bumper post 15 on poke rod, bumper post can be connected to positioning
In groove.Interior bezel ring, 34 is set on the pivoted housing of surge drum bottom surface, outer bezel ring, 35, drainage are installed close to inner wall position in surge drum bottom surface
In a ring, drainage cloth outer edge is installed tightly between surge drum bottom surface and outer bezel ring, cloth, and drainage cloth inward flange is mounted on collection
Between cylinder bottom surface and interior bezel ring,.It is corresponded with partition on outer bezel ring, interior bezel ring, and is equipped with several slots 36, the inserting of partition outer end
In the slot on outer bezel ring, partition inner end is inserted into the slot on interior bezel ring,.Dsah-pot 37, dsah-pot are installed on poke rod
One end connection end cap 38, the dsah-pot other end are equipped with locating flange, buffer spring are installed in dsah-pot, and bumper post one end is equipped with fixed
Potential head, bumper post other end structure hemispherical, positioning head adaptation, which is mounted in dsah-pot and is connected to, abuts spring and positioning
Between flange.Positioning ring 39 is connected on the outside of locating cover, poke rod is placed in positioning ring and is fitted on positioning ring inner wall.
Piston rod is equipped with rack gear 16, and driving bevel gear 17, driven wheel of differential 18 are installed between quantitation tube and locating cover, drives
Dynamic bevel gear and driven wheel of differential engaged transmission, driving bevel gear are equipped with meshing gear 19, and meshing gear is engaged with rack suitable
Match, impeller 20 is installed on driven wheel of differential, piston rod moves up impeller rotation to drive water flow to quantitation tube direction
Flowing；Piston rod moves down impeller rotation to drive water flow to flow to locating cover direction.Quantitation tube and locating cover it
Between connecting bracket 40, pedestal lower end connects dead ring 41, and dead ring is fastenedly connected in quantitation tube upper end, driving bevel gear and driven
Bevel gear is installed on bracket.Bracket is equipped with mounting base, and mounting base is equipped with mounting hole, and driven wheel of differential and mounting hole are suitable
With connection.
A kind of measurement method using plankton density measuring equipment, comprising the following steps: a, will push piston to
Under be pushed to the bottom of quantitation tube, the limit stud of the volume selection suitable position for the quantitation tube used as needed, and should
Limit stud, which is screwed inwardly into, enables limit stud to limit promotion piston；B, quantitation tube is placed in needs to dynamic plant of swimming
In the water of object density measure, it is flooded quantitation tube not；C, piston rod is pulled up, piston rod, which drives, pushes piston upward sliding
To the limit stud position inwardly stretched out, unidirectional feed liquor valve block during piston upward sliding is pushed to open, water flow by into
Fluid apertures, unidirectional feed liquor valve block enter in quantitation tube the lower section for pushing piston, and piston rod moves up impeller rotation to band
Dynamic water flow is flowed to quantitation tube direction, is conducive to the unlatching of unidirectional feed liquor valve block, is entered in quantitation tube convenient for water flow；D, it is pressed downward
Piston bar pushes piston slide downward, and feed liquor bore closure, unidirectional tapping valve are opened by unidirectional feed liquor valve block at this time, water flow
By unidirectional tapping valve flow into collection box in, after the filtering of drainage cloth, plankton is stayed on drainage cloth, piston rod to
Lower mobile impeller rotates backward that water flow is driven to flow to locating cover direction, to the water pushed above piston in quantitation tube
Stream is aspirated, and is increased the lid resultant force of unidirectional feed liquor valve block, is made the more tight of unidirectional feed liquor valve block lid；E, piston is pushed to reach
Behind quantitation tube bottom, surge drum rotation is driven by poke rod, bumper post slides into another adjacent positioning groove, Ling Yixiang
Adjacent collection box turns to below unidirectional tapping valve；F, step c, d, e are repeated, until all collection boxes all complete plankton
Collection；G, entire plankton density measuring equipment is taken out from water, calculates swimming of being collected into each collection box
The quantity or weight n of animals and plants, the volume N of the quantitation tube used, the amount for calculating the plankton in unit volume are
n/N.Average value can be calculated by multiple collection boxes, plankton can also be calculated in the collection of different location by collection box
In the distribution situation of different location, flexibly and easily.
Embodiment described above is the preferable scheme of the present invention, is not intended to limit the present invention in any form,
There are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (8)
1. a kind of plankton density measuring equipment, characterized in that including quantitation tube, surge drum, the installation of quantitation tube lower end is single
To tapping valve, installation pushes piston in quantitation tube, pushes piston to be equipped with several inlet openings, installs unidirectional liquid feed valve on inlet opening
Piece, is tightly connected several limit studs on quantitation tube side wall from top to bottom, limit stud end can protrude into quantitation tube for pair
The limit of piston is pushed, surge drum may be rotatably mounted at quantitation tube lower end, and surge drum bottom surface is equipped with several limbers, surge drum bottom
Face is equipped with drainage cloth, and several partitions are uniformly arranged in surge drum, and partition will be separated into several collection boxes in surge drum, rotation
Surge drum, which makes any collection box, can be placed in below unidirectional tapping valve, collect and connect poke rod on drum outer wall, peace above limited cover
Locating cover is filled, pushes and connects piston rod on piston, piston rod runs through locating cover, positions on cover outer wall and partition one-to-one correspondence is equipped with
Several positioning grooves install bumper post on poke rod, and bumper post can be connected in positioning groove；Piston rod is equipped with rack gear,
Driving bevel gear, driven wheel of differential, driving bevel gear and driven wheel of differential engaged transmission are installed between quantitation tube and locating cover, driven
Dynamic bevel gear is equipped with meshing gear, and meshing gear is engaged with rack adaptation, impeller is installed on driven wheel of differential, and piston rod is upward
Mobile impeller rotation is to drive water flow to flow to quantitation tube direction；Piston rod moves down impeller rotation to band
Dynamic water flow is flowed to locating cover direction.
2. plankton density measuring equipment according to claim 1, characterized in that unidirectional tapping valve include valve seat,
Valve ball abuts spring, spring base, and valve seat is equipped with valve opening, and valve opening inner wall is equipped with the sealing surface of truncated cone-shaped, abuts spring installation
Between spring base and valve ball, valve ball is sealed against on sealing surface.
3. plankton density measuring equipment according to claim 1, characterized in that quantitation tube lower end is equipped with positioning
Column, surge drum centre are equipped with pivoted housing, and for pivoted housing movable set on positioning column, positioning column lower end connects support plate, surge drum lower end
It is supported in support plate.
4. plankton density measuring equipment according to claim 3, characterized in that support plate lower end surface is equipped with peace
Tankage, mounting groove is interior to install air bag, and air bag is connected to gas tube, and gas tube extends to above locating cover.
5. plankton density measuring equipment according to claim 3, characterized in that be set on the pivoted housing of surge drum bottom surface
There is interior bezel ring, outer bezel ring, is installed close to inner wall position in surge drum bottom surface, and in a ring, drainage cloth outer edge is installed tightly to drainage cloth
Between surge drum bottom surface and outer bezel ring, drainage cloth inward flange is mounted between surge drum bottom surface and interior bezel ring,.
6. plankton density measuring equipment according to claim 5, characterized in that on outer bezel ring, interior bezel ring, with
Partition, which corresponds, is equipped with several slots, and partition outer end is inserted into the slot on outer bezel ring, and partition inner end is inserted into interior bezel ring,
On slot in.
7. according to claim 1 to plankton density measuring equipment described in 6 any one, characterized in that quantitation tube and
Connecting bracket between locating cover, pedestal lower end connect dead ring, and dead ring is fastenedly connected in quantitation tube upper end, driving bevel gear and
Driven wheel of differential is installed on bracket.
8. a kind of measurement method using plankton density measuring equipment described in claim 1, characterized in that including with
Lower step: the volume selection of a, the bottom that piston will be pushed to push down on quantitation tube, the quantitation tube used as needed are suitable
The limit stud of position, and the limit stud, which is screwed inwardly into, enables limit stud to limit promotion piston；B, will determine
Graduated cylinder, which is placed in, to be needed to be flooded quantitation tube not in the water to plankton density measure；C, piston rod, piston are pulled up
Bar, which drives, pushes piston to slide up to the limit stud position inwardly stretched out, push during piston upward sliding unidirectionally into
Liquid valve block is opened, and water flow enters the lower section of promotion piston in quantitation tube by inlet opening, unidirectional feed liquor valve block, and piston rod is to moving up
Dynamic impeller rotation is conducive to the unlatching of unidirectional feed liquor valve block, is convenient for water flow to drive water flow to flow to quantitation tube direction
Into in quantitation tube；D, it pulling down piston rod, pushes piston slide downward, unidirectional feed liquor valve block is by feed liquor bore closure at this time,
Unidirectional tapping valve is opened, and water flow flows into collection box by unidirectional tapping valve, after the filtering of drainage cloth, plankton
It stays on drainage cloth, piston rod moves down impeller and rotates backward that water flow is driven to flow to locating cover direction, to fixed
It pushes the water flow above piston to be aspirated in graduated cylinder, increases the lid resultant force of unidirectional feed liquor valve block, make unidirectional feed liquor valve block lid
It is more tight；E, after pushing piston to reach quantitation tube bottom, surge drum rotation is driven by poke rod, bumper post slides into another
In adjacent positioning groove, another adjacent collection box is turned to below unidirectional tapping valve；F, step c, d, e, Zhi Daosuo are repeated
There is collection box all to complete the collection of plankton；G, entire plankton density measuring equipment is taken out from water, is calculated
The quantity or weight n for the plankton being collected into each collection box, the volume N of the quantitation tube used calculate unit
The amount of plankton in volume is n/N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910521677.2A CN110346240B (en) | 2019-06-17 | 2019-06-17 | Floating swimming plant density measuring device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910521677.2A CN110346240B (en) | 2019-06-17 | 2019-06-17 | Floating swimming plant density measuring device and method |
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| CN110346240B CN110346240B (en) | 2021-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115615762A (en) * | 2022-12-06 | 2023-01-17 | 佛山市稚蒙环境科技有限公司 | Automatic fluid sampling equipment and automatic sampling method |
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| CN206507961U (en) * | 2016-08-09 | 2017-09-22 | 张信起 | A kind of novel radioactive section radiography cup special |
| CN206339413U (en) * | 2016-12-30 | 2017-07-18 | 河海大学 | Ground water fixed depth quantitative water sampler |
| CN207133076U (en) * | 2017-09-13 | 2018-03-23 | 三峡大学 | It is a kind of to aid in the device netted and gather planktonic organism that swims |
| CN107996529A (en) * | 2017-11-22 | 2018-05-08 | 重庆市水产科学研究所 | A kind of planktonic organism classification harvester |
| CN108152076A (en) * | 2017-12-11 | 2018-06-12 | 百奥森（江苏）食品安全科技有限公司 | A kind of TDS water quality detections quantitative sampling device |
| CN207866562U (en) * | 2018-02-06 | 2018-09-14 | 青岛环海海洋工程勘察研究院 | A kind of seafari seafloor sampling device |
| CN208171664U (en) * | 2018-05-01 | 2018-11-30 | 张宝娟 | A kind of portable classification lake water sampler |
| CN110338122A (en) * | 2019-06-17 | 2019-10-18 | 浙江省海洋水产研究所 | One kind is swum fish-egg metering device and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115615762A (en) * | 2022-12-06 | 2023-01-17 | 佛山市稚蒙环境科技有限公司 | Automatic fluid sampling equipment and automatic sampling method |
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