CN107156004A - A kind of fish-egg exercise test tank system - Google Patents

A kind of fish-egg exercise test tank system Download PDF

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Publication number
CN107156004A
CN107156004A CN201710405930.9A CN201710405930A CN107156004A CN 107156004 A CN107156004 A CN 107156004A CN 201710405930 A CN201710405930 A CN 201710405930A CN 107156004 A CN107156004 A CN 107156004A
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China
Prior art keywords
fish
egg
funnel
type
water
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CN201710405930.9A
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CN107156004B (en
Inventor
林俊强
彭期冬
王东胜
樊博
靳甜甜
尹婧
张爽
张迪
刘雪飞
陈冬红
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China Institute of Water Resources and Hydropower Research
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China Institute of Water Resources and Hydropower Research
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The invention discloses a kind of fish-egg exercise test tank system, including:Cistern, Rectangular Water Trough groove body and Spiralism type tail-gate, in addition to:Upstream backwater gate, downstream backwater gate, fish-egg deliver track sled, fish-egg and deliver elevating lever, L-type fish-egg dispensing funnel, L-type fish-egg recovery funnel and fish-egg conveyer, wherein, the fish-egg that fish-egg conveyer can reclaim L-type fish-egg funnel recovery is sent in L-type fish-egg dispensing funnel, and the water that L-type fish-egg reclaims funnel recovery is fallen directly into cistern.The present invention is advantageous in that:(1) automatic cycle that fish-egg is delivered, reclaims and transmitted is realized;(2) fish-egg is realized to deliver flow and continue the adjustable controllable of release time;(3) damage ratio of fish-egg is effectively reduced.

Description

A kind of fish-egg exercise test tank system
Technical field
The present invention relates to a kind of tank system, and in particular to one kind is applied to the research of fish-egg motion hydraulic characteristic, reservoir Dispatching influences the fish-egg exercise test tank system of research, the research of fish early stage calculation of natural resources etc. on fish, belongs to ecological waterpower Learn experimental technique field.
Background technology
Fish-egg drifting motion is the important stage of fish early development, and the successful hatching and resource for being related to fish ovum seedling are mended Fill.In natural river, how fish-egg is moved, how fish-egg density is distributed, river topography and hydrodynamic condition are moved such as to fish-egg What is acted on, all by the defeated shifting for influenceing fish-egg and final home to return to.Therefore, it is appreciated and understood by hydrodynamic force of the fish-egg in natural river course special Property and the characteristics of motion, the protection of fish resources, spawning ground are repaired and the work such as ecological dispatching effect assessment is most important, meanwhile, Also theoretical foundation is provided by the science estimation for the accurate supposition of fish spawning ground position and early stage stock number.
At present, traditional hydraulics test tank (Tang Mingying, Huang Delin, Huang Li are used the experimental study of fish-egg motion more The such as chapter grass, green grass or young crops, silver carp, bighead ovum hydraulic characteristic are tested and its in reservoir area of Three Gorges incubation condition tentative prediction water conservancy related fisherieses, 1989,4:26-30;Drift characteristic research aquatic life of the two kinds of sturgeon ovum of the such as Luo Jia, Shi little Tao, Liu Defu in uniform flow field Thing journal, 2013,37 (5):978-981).
But found through practice, there is following defect in traditional hydraulics test tank:
1st, usually require by general funnel or suction pipe, fish is repeatedly delivered manually in a certain position in upstream Ovum, it is impossible to realize that fish-egg is delivered, reclaims and transmitted automatically, brings not convenient to actual use operation;
2nd, fish-egg is manually delivered, it is difficult to control fish-egg to deliver flow (quantity of dispensing fish-egg per second), placement position and hold The parameters such as continuous release time;
3rd, fish-egg proportion and water are close, slightly weigh, are easily quickly sunk to the bottom when flow velocity is smaller than water, when flow velocity is larger easily with stream Drift about, traditional hydraulics test tank height is smaller (general height is less than 50cm), and under the slower operating mode of flow velocity, fish-egg is upper Being moved after trip release does not also have stabilization not sink to the bottom, if being more than 80cm large-scale tank using height, tank width is larger (large-scale Tank width is generally higher than 80cm), be unfavorable for fish-egg exercise test video acquisition and observation (fish-egg sport video generally in water Groove side is shot, if tank width is excessive, will occur Severe distortion, distortion in the fish-egg moving image apart from camera lens distal end).
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of adjustable controllable, simple operation fish-egg Exercise test tank system.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that:
A kind of fish-egg exercise test tank system, including:Cistern, is arranged on the Rectangular Water Trough groove body above cistern, And the water being arranged in the Spiralism type tail-gate of Rectangular Water Trough groove body tail end, cistern delivers to Rectangular Water Trough by circulating water pipeline In groove body, it is characterised in that also include:Upstream backwater gate, downstream backwater gate, fish-egg deliver track sled, fish-egg and deliver liter Drop bar, L-type fish-egg and deliver funnel, L-type fish-egg recovery funnel and fish-egg conveyer, wherein,
Upstream backwater gate and downstream backwater gate are separately positioned on the two ends of Rectangular Water Trough groove body, and downstream sealing lock Door is located at the downstream of Spiralism type tail-gate;
Slide rail is installed, fish-egg is delivered track sled and can slided along slide rail, and fish-egg delivers elevating lever with Rectangular Water Trough groove Delivered installed in fish-egg on track sled, L-type fish-egg is delivered funnel and is arranged on fish-egg dispensing elevating lever, and L-type fish-egg reclaims funnel Installed in the exit of Rectangular Water Trough groove body, the short end of fish-egg conveyer is arranged under the outlet that L-type fish-egg reclaims funnel L-type fish-egg can be reclaimed funnel and returned by side, the top of the high-end import for being arranged on L-type fish-egg dispensing funnel, fish-egg conveyer The fish-egg of receipts is sent to L-type fish-egg and delivered in funnel, and the water that L-type fish-egg reclaims funnel recovery is fallen directly into cistern;
Electromagnetic flowmeter, frequency conversion centrifugal pump and magnet valve of pipe be installed on foregoing circulating water pipeline, electromagnetic flowmeter, Frequency conversion centrifugal pump and magnet valve of pipe are used to regulate and control tank stage-discharge and fish-egg delivers flow and time.
Foregoing fish-egg exercise test tank system, it is characterised in that foregoing upstream backwater gate, downstream backwater gate, Spiralism type tail-gate, electromagnetic flowmeter, frequency conversion centrifugal pump, magnet valve of pipe, fish-egg deliver elevating lever and fish-egg conveyer is equal Controlled by corresponding switch, each position of the switch is equipped with electronic switch remote and hand switch, and supporting tank intelligent switch Operating platform software.
Foregoing fish-egg exercise test tank system, it is characterised in that aforementioned rectangular tank groove height 20m, width 30cm, height 1m, bottom and both sides are made of transparent organic glass.
Foregoing fish-egg exercise test tank system, it is characterised in that also include:Water inlet guide groove and water outlet guide groove, The two is in horn-like, and is separately positioned on the two ends of Rectangular Water Trough groove body, the import for guide groove of intaking and circulating water pipeline Outlet connect, the import that the outlet at bottom of water outlet guide groove reclaims funnel with L-type fish-egg is connected.
Foregoing fish-egg exercise test tank system, it is characterised in that the bottom of foregoing water inlet guide groove is provided with transverse direction Energy-dissipation orifice plate and vertical energy-dissipation orifice plate, energy-dissipation orifice plate is just right under, and vertically in upper, vertical energy-dissipation orifice plate for horizontal energy-dissipation orifice plate The outlet of circulating water pipeline.
Foregoing fish-egg exercise test tank system, it is characterised in that aforementioned lateral energy-dissipation orifice plate and vertical energy-dissipation orifice plate Three roads are respectively provided with, the height of vertical energy-dissipation orifice plate is 1.5 times -2 times of circulating water pipeline caliber, horizontal energy-dissipation orifice plate and vertically disappeared The aperture of energy orifice plate is 1.0cm-1.5cm, and porosity is 60%-80%.
Foregoing fish-egg exercise test tank system, it is characterised in that the side of foregoing water outlet guide groove is provided with tail water Outlet, is provided with flexible filter net between water outlet guide groove and tailrace outlet, a part of water warp flowed out from Rectangular Water Trough groove body After flexible filter net filtration from tailrace outlet falls into cistern.
Foregoing fish-egg exercise test tank system, it is characterised in that foregoing fish-egg conveyer includes:Fish-egg is transmitted Band, fish-egg baffle plate, water curtain jet pipe, telescopic pole, pulley and hose, wherein,
Fish-egg conveyer belt and fish-egg baffle plate are made by flexible net cloth, and fish-egg conveyer belt is driven by motor, and fish-egg baffle plate is consolidated Dingan County is on fish-egg conveyer belt, and water curtain jet pipe is located at the higher side of fish-egg conveyer belt and connected with hose, scalable Vertical rod is arranged on the lower section of fish-egg conveyer belt, and pulley is arranged on the end of telescopic pole.
Foregoing fish-egg exercise test tank system, it is characterised in that foregoing fish-egg conveyer transmits to be multistage, each The position that level can deliver funnel according to L-type fish-egg carries out flexibly mobile put.
Foregoing fish-egg exercise test tank system, it is characterised in that the switch of foregoing fish-egg conveyer is electrodeless electricity Son regulation switch.
The present invention is advantageous in that:
1st, funnel and fish-egg conveyer (fish-egg conveyer are reclaimed by setting L-type fish-egg to deliver funnel, L-type fish-egg The fish-egg that L-type fish-egg can be reclaimed to funnel recovery is sent in L-type fish-egg dispensing funnel), not only realize fish-egg and deliver, return The automatic cycle received and transmitted, and realize fish-egg dispensing flow and continue the adjustable controllable of release time, while also effectively Reduce the damage ratio of fish-egg;
(2) by setting fish-egg to deliver elevating lever, dispensing of the fish-egg in the vertical different height position of tank is realized, can mould Intend the fish-egg release process of top layer spawning fish (such as four large Chinese carps) and bottom spawning fish (such as mandarin sturgeon);
(3) by setting movable fish-egg to deliver track sled and multistage fish-egg conveyer, realize fish-egg and exist The dispensing of the laterally-distinct position of tank, can deliver the distance between section and measuring frequency section by changing during experiment, observe fish-egg Metastable motion process after diffusion process and uniform diffusion before unsteady motion;
(4) size of Rectangular Water Trough groove body is designed for fish-egg exercise test, higher height and narrower width, And the lucite design of bottom and both sides, small flow velocity operating mode (below 0.2m/s), medium flow rate operating mode (0.2m/ can be carried out S-0.5m/s) and big flow velocity operating mode (0.5m/s-1m/s) fish-egg exercise test, effectively can simulate and study reservoir unhurried current environment And the fish-egg characteristics of motion under natural river torrent environment;
(5) by setting upstream backwater gate and downstream backwater gate, conventional dynamic water test can be carried out by realizing, moreover it is possible to Carry out the experiment of fish-egg quiescent sedimentation and hydrostatic turbulent fluctuation experiment (simultaneously closes off upstream backwater gate and downstream backwater gate, formed quiet Water environment);
(6) by being equipped with electronic switch remote and hand switch simultaneously in each position of the switch, and supporting tank is intelligently opened Operating platform software is closed, the correlation for regulating and controlling experimental tank system in terminal intelligents such as desktop computer, tablet personal computer, mobile phones is realized The keying of power switch, electromagnetic valve, backwater gate etc. and aperture, and regulation frequency conversion centrifugal pump frequency and fish-egg transmission motor Frequency etc. is operated, and automaticity is high;
(7) by setting horn-like water inlet guide groove and water outlet guide groove, and set in the bottom of water inlet guide groove Horizontal energy-dissipation orifice plate and vertical energy-dissipation orifice plate, realize the pulse turbulent fluctuation for farthest reducing centrifugal pump, make current in tank Steadily, it is that fish-egg motion creates good flow condition.
Brief description of the drawings
Fig. 1 is the composition schematic diagram of the fish-egg exercise test tank system of the present invention;
Fig. 2 is the top view of the part-structure of the fish-egg exercise test tank system in Fig. 1;
Fig. 3 is the stereogram of the fish-egg conveyer in Fig. 1;
Fig. 4 is the stereogram that L-type fish-egg in Fig. 1 delivers funnel;
Fig. 5 is the stereogram that L-type fish-egg in Fig. 1 reclaims funnel.
The implication of reference in figure:1- transverse direction energy-dissipation orifice plates;The vertical energy-dissipation orifice plates of 2-;3- water inlet guide grooves;4- upstreams Backwater gate;5- slide rails;6- Rectangular Water Trough groove bodies;7- Spiralism type tail-gates;8- downstreams backwater gate;9- water outlet guide grooves;10-L Type fish-egg reclaims funnel;11- flexible filter nets;12- tailrace outlets;13- cisterns;14- electromagnetic flowmeters;15- frequency conversions are centrifuged Pump;16- magnet valve of pipe;17- circulating water pipelines;18- fish-egg conveyers;19- fish-eggs deliver elevating lever;20-L type fish-eggs Deliver funnel;21- fish-eggs deliver track sled;180- fish-egg conveyer belts;181- fish-egg baffle plates;182- water curtain jet pipes;183- can stretch Contracting vertical rod;184- pulleys;185- hoses.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
Referring to Figures 1 and 2, fish-egg exercise test tank system of the invention, it includes:Cistern 13, Rectangular Water Trough groove Body 6, Spiralism type tail-gate 7, upstream backwater gate 4, downstream backwater gate 8, fish-egg deliver track sled 21, fish-egg and deliver elevating lever 19th, L-type fish-egg delivers funnel 20, L-type fish-egg and reclaims funnel 10, fish-egg conveyer 18 and corresponding controlling switch.
First, cistern and Rectangular Water Trough groove body
Rectangular Water Trough groove body 6 is arranged on the top of cistern 13.The long 20m of Rectangular Water Trough groove body 6, width 30cm, high 1m, bottom It is made with both sides of transparent organic glass.The size of Rectangular Water Trough groove body 6 is designed for fish-egg exercise test, higher Height and narrower width, and bottom and both sides lucite design, can carry out small flow velocity operating mode (below 0.2m/s), The fish-egg exercise test of medium flow rate operating mode (0.2m/s-0.5m/s) and big flow velocity operating mode (0.5m/s-1m/s), can effectively be simulated With the fish-egg characteristics of motion under research reservoir unhurried current environment and natural river torrent environment.
Slide rail 5 is installed, particular location is the top, bottom and both sides of tank on Rectangular Water Trough groove body 6, wherein, it is located at The slide rail of sink top is to deliver track sled 21 and acoustic Doppler velocimetry (ADV) for setting up fish-egg, positioned at tank bottom The slide rail of portion and both sides is for setting up other measuring instruments and equipment, for example:High-speed camera.
The two ends of Rectangular Water Trough groove body 6 are also respectively provided with into water guide groove 3 and water outlet guide groove 9, and the two is in loudspeaker Shape, wherein, the import of water inlet guide groove 3 connects with the outlet of circulating water pipeline 17, the outlet at bottom and L-type of water outlet guide groove 9 The import that fish-egg reclaims funnel 10 is connected.
The bottom of water inlet guide groove 3 is provided with horizontal energy-dissipation orifice plate 1 and vertical energy-dissipation orifice plate 2, is respectively provided with three roads, laterally disappears Can orifice plate 1 in upper, vertical energy-dissipation orifice plate 2 under, and vertical outlet of the energy-dissipation orifice plate 2 just to circulating water pipeline 17 vertically disappears The height of energy orifice plate 2 is 1.5 times -2 times of the caliber of circulating water pipeline 17, the aperture of horizontal energy-dissipation orifice plate 1 and vertical energy-dissipation orifice plate 2 It is 1.0cm-1.5cm, porosity is 60%-80%, so can at utmost eliminates the water that frequency conversion centrifugal pump 15 is caused Pulse turbulent fluctuation is flowed, makes water flow stationary in tank, is that fish-egg motion creates good flow condition.
The side of water outlet guide groove 9 is provided with tailrace outlet 12, is provided between water outlet guide groove 9 and tailrace outlet 12 soft Property screen pack 11, the mesh number of flexible filter net 11 be 16 mesh, from Rectangular Water Trough groove body 6 flow out a part of water through flexible filter net 11 Fallen into after filtering from tailrace outlet 12 in cistern 13.
Water in cistern 13 is delivered in Rectangular Water Trough groove body 6 by circulating water pipeline 17, is installed on circulating water pipeline 17 There are electromagnetic flowmeter 14, frequency conversion centrifugal pump 15 and magnet valve of pipe 16, electromagnetic flowmeter 14, frequency conversion centrifugal pump 15 and pipeline electricity Magnet valve door 16 is used to regulate and control tank stage-discharge and fish-egg delivers flow and time.
2nd, Spiralism type tail-gate, upstream backwater gate and downstream backwater gate
Spiralism type tail-gate 7 is arranged on the tail end of Rectangular Water Trough groove body 6, and upstream backwater gate 4 and downstream backwater gate 8 are distinguished The two ends of Rectangular Water Trough groove body 6 are arranged on, and downstream backwater gate 8 is located at the downstream of Spiralism type tail-gate 7.
By setting upstream backwater gate 4 and downstream backwater gate 8, system of the invention can carry out conventional dynamic water examination Test, moreover it is possible to carry out the experiment of fish-egg quiescent sedimentation and hydrostatic turbulent fluctuation experiment.
3rd, fish-egg delivers track sled and fish-egg delivers elevating lever
Fish-egg is delivered track sled 21 and can slided along slide rail 5.
Fish-egg is delivered elevating lever 19 and is arranged on fish-egg dispensing track sled 21., can by setting fish-egg to deliver elevating lever 19 To realize dispensing of the fish-egg in the vertical different height position of tank, and then top layer spawning fish (such as four large Chinese carps) and bottom can be simulated The fish-egg release process of layer spawning fish (such as mandarin sturgeon).
4th, L-type fish-egg delivers funnel and L-type fish-egg reclaims funnel
L-type fish-egg is delivered funnel 20 and is arranged on fish-egg dispensing elevating lever 19.Reference picture 4, L-type fish-egg delivers funnel 20 Inlet and outlet is circle, and the side of import is provided with the screw rod connection member that elevating lever 19 is delivered for connecting fish-egg.
L-type fish-egg reclaims the exit that funnel 10 is arranged on Rectangular Water Trough groove body 6.Reference picture 5, L-type fish-egg reclaims funnel 10 inlet and outlet is rectangle.
The water (containing fish-egg) flowed out the outlet of funnel 10 is reclaimed from L-type fish-egg after filtering, fish-egg is admitted to fish-egg transmission Device 18, the water without fish-egg is fallen directly into cistern 13.
5th, fish-egg conveyer
Reference picture 3, fish-egg conveyer 18 includes:Fish-egg conveyer belt 180, fish-egg baffle plate 181, water curtain jet pipe 182, it can stretch Contracting vertical rod 183, pulley 184 and hose 185.
Fish-egg conveyer belt 180 is made up of flexible net cloth, the mesh (aperture of mesh number 16<1.5mm, most of fish-egg particle diameters are 2mm- 4mm, can be separated by filtration out by fish-egg from water), fish-egg conveyer belt 180 is driven by motor.
Fish-egg baffle plate 181 is also made up of flexible net cloth, and the mesh of mesh number 16, fish-egg baffle plate 181 is fixedly mounted on fish-egg conveyer belt On 180, propped up by hard frame come flexible screen cloth is covered on frame, can prevent fish-egg from being tumbled to lower.
Water curtain jet pipe 182 is located at the higher side of fish-egg conveyer belt 180, and is connected with hose 185, soft by diversion Pipe 185 introduces running water, and water curtain sprinkling can be achieved, and the fish-egg on fish-egg conveyer belt 180 is gently poured into L-type fish-egg and delivers funnel In 20 (or next stage fish-egg conveyer belt 180).
Telescopic pole 183 is arranged on the lower section of fish-egg conveyer belt 180, and its length is freely adjustable, so as to change fish The transmission gradient of ovum conveyer belt 180.
Pulley 184 is arranged on the end of telescopic pole 183.
The short end of fish-egg conveyer 18 be arranged on L-type fish-egg reclaim funnel 10 outlet lower section, high-end be arranged on L-type Fish-egg delivers the top of the import of funnel 20, and fish-egg conveyer 18 can reclaim L-type fish-egg the fish-egg biography that funnel 10 is reclaimed L-type fish-egg is delivered to deliver in funnel 20.
Fish-egg conveyer 18 transmits to be multistage, and the position that can deliver funnel 20 according to L-type fish-egg per one-level carries out spirit Movement living is put.
The switch of fish-egg conveyer 18 is that electrodeless electronic adjusts switch, can be by adjusting the motor of fish-egg conveyer belt 180 Frequency changes the speed of fish-egg conveyer belt 180, so as to control fish-egg to deliver flow.
6th, controlling switch
Upstream backwater gate 4, downstream backwater gate 8, Spiralism type tail-gate 7, electromagnetic flowmeter 14, frequency conversion centrifugal pump 15, pipe Road electromagnetic valve 16, fish-egg are delivered elevating lever 19 and fish-egg conveyer 18 and controlled by corresponding controlling switch, each switch Position is equipped with electronic switch remote and hand switch, and supporting tank intelligent switch operating platform software, it is possible to achieve long-range Manually operated, automaticity in the case of the intelligent operation and emergency of terminal (desktop computer, tablet personal computer, mobile phone etc.) Height, it is extremely easy to use.
Carry out low flow velocity operating mode (for example:Flow velocity 0.2m/s, flow 0.054m3/ s, depth of water 0.9m) under fish-egg motion it is special Property experiment, process of the test and operating procedure are as follows:
Step1:Preparation before experiment
Check flexible filter net 11, fish-egg conveyer belt 180, fish-egg baffle plate 181 flexible screen cloth it is whether damaged, if any broken Damage, change in time.
Check that L-type fish-egg reclaims funnel 10 and L-type fish-egg delivers whether funnel 20 has by foreign matters from being blocked, if any blocking, use Clear water rinses funnel, excludes foreign matter.
Check whether L-type fish-egg dispensing funnel 20 and the connection of fish-egg dispensing elevating lever 19 loosen, if any loosening, tighten.
Clear water is filled in cistern 13, the hose 185 of fish-egg conveyer 18 is connected to running water pipe, in case examination Test.
Before the exercise test of different fish fish-eggs or different materials model fish-egg is carried out, calibration fish-egg flow and transmission are needed Relation between translator frequency.
Step2:Tank stage-discharge regulates and controls
Enter tank intelligent switch operating platform, activation intelligence in remote terminals such as desktop computer, tablet personal computer or mobile phones Switching system.
First, dynamic water test pattern is selected, upstream backwater gate 4 and downstream backwater gate 8 are automatically turned on, clicks on water inlet and press Button, electromagnetic flowmeter 14, frequency conversion centrifugal pump 15 and magnet valve of pipe 16 are automatically turned on, and frequency conversion centrifugal pump 15 is transported in low frequency Turn.
Then, the flow parameter 0.054m inputted in tank intelligent switch operating platform interface needed for experiment3/ s, and point ACK button is hit, the frequency of frequency conversion centrifugal pump 15 slowly will adjust frequency corresponding to corresponding discharge.
Finally, by clicking on the open and close button of Spiralism type tail-gate 7, the aperture of slow regulation Spiralism type tail-gate 7 treats tank When interior water level rises to experiment preset water level 0.9m, stop the switching manipulation of Spiralism type tail-gate 7, terminate the tune of tank stage-discharge Control.
Step3:Fish-egg delivers flow and time-controllable
Fish-egg is delivered into the most upstream side that slide rail 5 of the track sled 21 along sink top is moved to Rectangular Water Trough groove body 6, adjusted The putting position of whole fish-egg conveyer 18 at different levels, it is ensured that do not fallen off in fish-egg transmit process onto ground.
The lifting button that fish-egg delivers elevating lever 19 is clicked on, the hopper outlet that L-type fish-egg is delivered into funnel 20 rises to the water surface Place, adds quantitative fish-egg (500ml, about 20000 fish-eggs), then in tank intelligent switch operating platform interface in the sink The frequency 800Hz and duration 5h of the motor of fish-egg conveyer belt 180 are inputted, the flow (individual/second) for delivering fish-egg reaches pre- If being worth (500 ± 50/second), after after operation 20 minutes, fish-egg circulates the stability of flow of input and reaches preset value.
Step4:Fish-egg exercise test is measured
Complete tank stage-discharge and fish-egg is delivered after flow and the regulation and control of time, section 10m downstream is delivered in distance Position, sets fish-egg measuring frequency section, and acoustic Doppler velocimetry (ADV) is set up on the slide rail 5 of sink top, in tank side Slide rail 5 on set up high-speed camera, measurement tank flow field gathers fish-egg motion trace data, and research fish-egg particles populations exist The characteristics of motion under the conditions of low flow velocity.
Fish-egg quiescent sedimentation experiment is carried out, process of the test and operating procedure are as follows:
Step1:Preparation before experiment
Check flexible filter net 11, fish-egg conveyer belt 180, fish-egg baffle plate 181 flexible screen cloth it is whether damaged, if any broken Damage, change in time.
Check that L-type fish-egg reclaims funnel 10 and L-type fish-egg delivers whether funnel 20 has by foreign matters from being blocked, if any blocking, use Clear water rinses funnel, excludes foreign matter.
Check whether L-type fish-egg dispensing funnel 20 and the connection of fish-egg dispensing elevating lever 19 loosen, if any loosening, tighten.
Clear water is filled in cistern 13, the hose 185 of fish-egg conveyer 18 is connected to running water pipe, in case examination Test.
Before the exercise test of different fish fish-eggs or different materials model fish-egg is carried out, calibration fish-egg flow and transmission are needed Relation between translator frequency.
Step2:Tank water level management
Enter tank intelligent switch operating platform, activation intelligence in remote terminals such as desktop computer, tablet personal computer or mobile phones Switching system.
First, smooth water test pattern is selected, upstream backwater gate 4 is automatically turned on, downstream backwater gate 8 is closed automatically, point Hit into water button, electromagnetic flowmeter 14, frequency conversion centrifugal pump 15 and magnet valve of pipe 16 are automatically turned on, and frequency conversion centrifugal pump 15 is in Low frequency is operated, and slowly the clear water in cistern 13 is evacuated in Rectangular Water Trough groove body 6.
When water level in tank rises to experiment preset water level 0.9m, the X button of frequency conversion centrifugal pump 15 is clicked on, is clicked on The X button of upstream backwater gate 4, forms smooth water test condition, terminates the regulation and control of tank water level.
Step3:Fish-egg hydrostatic settling velocity is measured
Fish-egg is delivered into slide rail 5 of the track sled 21 along sink top and is moved to Measure section, the slide rail 5 in tank side Upper erection high-speed camera.
The lifting button that fish-egg delivers elevating lever 19 is clicked on, the hopper outlet that L-type fish-egg is delivered into funnel 20 rises to the water surface Place, quantitative fish-egg (50ml, about 2000 fish-eggs) is added in L-type fish-egg delivers funnel 20.
High-speed camera is opened, the track data of fish-egg quiescent sedimentation is gathered, research fish-egg particles populations are in hydrostatic condition Under settlement law.
As can be seen here, by setting L-type fish-egg to deliver, funnel 20, L-type fish-egg reclaim funnel 10 to the present invention and fish-egg is transmitted (fish-egg that L-type fish-egg recovery funnel 10 is reclaimed can be sent to L-type fish-egg and deliver funnel 20 device 18 by fish-egg conveyer 18 In), the automatic cycle that fish-egg is delivered, reclaims and transmitted not only is realized, and realizes fish-egg and delivers flow and lasting dispensing Time it is adjustable controllable, while also effectively reducing the damage ratio of fish-egg.
In addition, the present invention is by setting movable fish-egg to deliver track sled 21 and multistage fish-egg conveyer 18, Realize dispensing of the fish-egg in the laterally-distinct position of tank, during experiment can by change deliver between section and measuring frequency section away from From metastable motion process after the diffusion process and uniform diffusion before observation fish-egg unsteady motion.
It should be noted that the invention is not limited in any way for above-described embodiment, all use equivalent substitutions or equivalent change The technical scheme that the mode changed is obtained, all falls within protection scope of the present invention.

Claims (10)

1. a kind of fish-egg exercise test tank system, including:Cistern (13), is arranged on the Rectangular Water Trough above cistern (13) Groove body (6), and the water being arranged in the Spiralism type tail-gate (7) of Rectangular Water Trough groove body (6) tail end, cistern (13) pass through circulation Waterpipe (17) is delivered in Rectangular Water Trough groove body (6), it is characterised in that also included:Upstream backwater gate (4), downstream sealing lock Door (8), fish-egg deliver track sled (21), fish-egg and deliver elevating lever (19), L-type fish-egg dispensing funnel (20), the recovery leakage of L-type fish-egg Struggle against (10) and fish-egg conveyer (18), wherein,
Upstream backwater gate (4) and downstream backwater gate (8) are separately positioned on the two ends of Rectangular Water Trough groove body (6), and downstream Backwater gate (8) is located at the downstream of Spiralism type tail-gate (7);
Slide rail (5) is installed, fish-egg is delivered track sled (21) and can slided along slide rail (5), and fish-egg is thrown on Rectangular Water Trough groove body (6) Put elevating lever (19) to deliver on track sled (21) installed in fish-egg, L-type fish-egg delivers funnel (20) and is arranged on fish-egg dispensing lifting On bar (19), L-type fish-egg reclaims the exit that funnel (10) is arranged on Rectangular Water Trough groove body (6), fish-egg conveyer (18) Short end is arranged on the lower section of the outlet of L-type fish-egg recovery funnel (10), the high-end import for being arranged on L-type fish-egg dispensing funnel (20) Top, fish-egg conveyer (18) can by L-type fish-egg reclaim funnel (10) reclaim fish-egg be sent to L-type fish-egg deliver leakage Struggle against in (20), the water that L-type fish-egg reclaims funnel (10) recovery is fallen directly into cistern (13);
Electromagnetic flowmeter (14), frequency conversion centrifugal pump (15) and magnet valve of pipe are installed on the circulating water pipeline (17) (16), electromagnetic flowmeter (14), frequency conversion centrifugal pump (15) and magnet valve of pipe (16) be used for regulate and control tank stage-discharge and Fish-egg delivers flow and time.
2. fish-egg exercise test tank system according to claim 1, it is characterised in that the upstream backwater gate (4), Downstream backwater gate (8), Spiralism type tail-gate (7), electromagnetic flowmeter (14), frequency conversion centrifugal pump (15), magnet valve of pipe (16), Fish-egg is delivered elevating lever (19) and fish-egg conveyer (18) and controlled by corresponding switch, and each position of the switch is equipped with remotely Electronic switch and hand switch, and supporting tank intelligent switch operating platform software.
3. fish-egg exercise test tank system according to claim 1, it is characterised in that the Rectangular Water Trough groove body (6) Long 20m, width 30cm, high 1m, bottom and both sides are made of transparent organic glass.
4. fish-egg exercise test tank system according to claim 1, it is characterised in that also include:Water inlet guide groove (3) With water outlet guide groove (9), the two is in horn-like, and is separately positioned on the two ends of Rectangular Water Trough groove body (6), guide groove of intaking (3) import connects with the outlet of circulating water pipeline (17), and outlet at bottom and the L-type fish-egg of water outlet guide groove (9) reclaim funnel (10) import is connected.
5. fish-egg exercise test tank system according to claim 4, it is characterised in that the water inlet guide groove (3) Bottom is provided with horizontal energy-dissipation orifice plate (1) and vertical energy-dissipation orifice plate (2), and horizontal energy-dissipation orifice plate (1) is in upper, vertical energy-dissipation orifice plate (2) under, and vertical outlet of the energy-dissipation orifice plate (2) just to circulating water pipeline (17).
6. fish-egg exercise test tank system according to claim 5, it is characterised in that the horizontal energy-dissipation orifice plate (1) Three roads are respectively provided with vertical energy-dissipation orifice plate (2), the height of vertical energy-dissipation orifice plate (2) is 1.5 times of circulating water pipeline (17) caliber- 2 times, the aperture of horizontal energy-dissipation orifice plate (1) and vertical energy-dissipation orifice plate (2) is 1.0cm-1.5cm, and porosity is 60%- 80%.
7. fish-egg exercise test tank system according to claim 4, it is characterised in that the water outlet guide groove (9) Side is provided with tailrace outlet (12), and flexible filter net (11) is provided between water outlet guide groove (9) and tailrace outlet (12), from A part of water of Rectangular Water Trough groove body (6) outflow falls into cistern after being filtered through flexible filter net (11) from tailrace outlet (12) (13) in.
8. fish-egg exercise test tank system according to claim 1, it is characterised in that the fish-egg conveyer (18) Including:Fish-egg conveyer belt (180), fish-egg baffle plate (181), water curtain jet pipe (182), telescopic pole (183), pulley (184) and Hose (185), wherein,
Fish-egg conveyer belt (180) and fish-egg baffle plate (181) are made by flexible net cloth, and fish-egg conveyer belt (180) is driven by motor, Fish-egg baffle plate (181) is fixedly mounted on fish-egg conveyer belt (180), water curtain jet pipe (182) be located at fish-egg conveyer belt (180) compared with High side is simultaneously connected with hose (185), and telescopic pole (183) is arranged on the lower section of fish-egg conveyer belt (180), pulley (184) it is arranged on the end of telescopic pole (183).
9. fish-egg exercise test tank system according to claim 8, it is characterised in that the fish-egg conveyer (18) For multistage transmission, flexibly movement can be carried out according to the position of L-type fish-egg dispensing funnel (20) per one-level and put.
10. fish-egg exercise test tank system according to claim 8, it is characterised in that the fish-egg conveyer (18) switch is that electrodeless electronic adjusts switch.
CN201710405930.9A 2017-06-01 2017-06-01 Fish egg motion test water tank system Active CN107156004B (en)

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CN108956088A (en) * 2018-05-29 2018-12-07 中国水利水电科学研究院 A kind of fish-egg movement simulation and visualizing monitor system
CN110521647A (en) * 2019-09-17 2019-12-03 浙江万里学院 A kind of injection device and its application method that allogenic material is imported to shrimp living
CN116138192A (en) * 2021-11-29 2023-05-23 重庆交通大学 A push pedal structure for fish egg hatching

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CN202635372U (en) * 2012-06-01 2013-01-02 中国水产科学研究院珠江水产研究所 River pelagic egg and fry quantitative collection net
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Publication number Priority date Publication date Assignee Title
CN108956088A (en) * 2018-05-29 2018-12-07 中国水利水电科学研究院 A kind of fish-egg movement simulation and visualizing monitor system
CN108956088B (en) * 2018-05-29 2020-07-10 中国水利水电科学研究院 Roe motion simulation and visual monitoring system
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CN110521647B (en) * 2019-09-17 2024-05-07 浙江万里学院 Injection device for introducing exogenous substances into live shrimps and application method thereof
CN116138192A (en) * 2021-11-29 2023-05-23 重庆交通大学 A push pedal structure for fish egg hatching
CN116138192B (en) * 2021-11-29 2024-04-19 重庆交通大学 A push pedal structure for fish egg hatching

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