CN112154959A - Device and method for fish proliferation and releasing outdoor temporary culture and fry quantity counting - Google Patents
Device and method for fish proliferation and releasing outdoor temporary culture and fry quantity counting Download PDFInfo
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 62
- 230000003578 releasing effect Effects 0.000 title claims abstract description 43
- 230000035755 proliferation Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000384 rearing effect Effects 0.000 claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 230000008859 change Effects 0.000 claims abstract description 42
- 238000006213 oxygenation reaction Methods 0.000 claims description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
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- 238000009395 breeding Methods 0.000 claims description 9
- 230000001488 breeding effect Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000001706 oxygenating effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 22
- 239000001301 oxygen Substances 0.000 abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 abstract description 22
- 230000006698 induction Effects 0.000 description 15
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
- A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
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Abstract
The invention discloses a device and a method for fish proliferation and releasing outdoor temporary rearing and fry quantity counting, wherein the device comprises a temporary rearing unit, a counting unit and an energy supply unit, wherein the counting unit and the energy supply unit are arranged on the temporary rearing unit; the counting unit and the temporary rearing unit are respectively provided with a measuring part, the measuring parts are used for measuring the water level change in the counting unit and the temporary rearing unit, and the number N of the seedlings is obtained by utilizing the relation between the water level change and the volume of the seedlings. The solar energy constant-voltage power supply device can continuously supply power to the oxygen filling pump through solar energy, solves the problem that a fixed power supply is lacked on the bank side, and is low in output voltage and safe for proliferation and discharge personnel; the height change of the water surface before and after the fry is added is measured through the laser range finder, and the fry quantity in the releasing device can be fast counted by combining the sample counter, so that the problem of acceptance check of the fry quantity is solved.
Description
Technical Field
The invention belongs to the technical field of fishery proliferation, and particularly relates to a device and a method for fish proliferation and releasing outdoor temporary culture and fry quantity counting.
Background
In order to protect aquatic organism resources, increase the quantity of fishery resources, protect the marine ecological environment and improve the marine economic benefit, proliferation and releasing activities are widely developed in the world to recover increasingly exhausted fishery resources. China has developed nationwide fish release days continuously in 6 months and 6 days every year, and has synchronously proliferated and released to obtain good natural water fishery resource supplement effect, but the existing proliferation and release equipment is laggard behind, and the survival rate of released fries needs to be improved.
The proliferation and releasing activities are usually carried out in the field, most of the fries to be released are directly and temporarily cultured in a large plastic barrel at present, the temporary culture density is high, the water environment is poor, and the survival rate of the released fishes is reduced. On the one hand, the electricity supply facility is lacked in the releasing site, even if 220V commercial power is connected in through long wires, because the releasing site has more water, the greater potential safety hazard of electricity utilization also exists, but the fry temporary culture density is high, if oxygen increasing equipment is lacked, the oxygen content in water can not be guaranteed, the survival rate of fish releasing can be reduced, and therefore, a set of equipment which is safe in electricity utilization and can stably supplement the oxygen content in the water body is urgently needed to be designed. In addition, outdoor release environment temperature is high in summer, so that fish metabolism is accelerated, water quality is reduced, workers can directly put ice blocks into temporary culture water to reduce temperature, but stress on fish is large, and salinity of the water body is changed, so that a temporary culture device capable of reducing the temperature of the temporary culture water body without changing the salinity of the water body is needed.
In the process of proliferation and releasing activities, fry counting is needed, but most of the traditional counting methods need to manually count the fry to be released away from water, the damage to fish bodies is large, the counting precision is low, and the overall length of the individual fry to be released is usually less than 5cm, so that the counting workload is large, and the working efficiency is low. In addition, when fry in the temporary stocking device is returned to natural water, the prior brail net is usually used for continuously fishing fishes in a plastic vat, so that more fishes are leaked, the working efficiency is low, and the death rate of the fry is high.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a device and a method for fish proliferation and releasing outdoor temporary culture and fry quantity counting, which can automatically supply power, simply control temperature, supply sufficient oxygen, rapidly count and conveniently release fries.
In order to achieve the purpose, the invention provides the following technical scheme: a device for counting the number of fish fry temporarily cultured outdoors in a fish proliferation and releasing manner comprises a temporary culture unit, a counting unit and an energy supply unit, wherein the counting unit and the energy supply unit are arranged on the temporary culture unit; the counting unit and the temporary rearing unit are respectively provided with a measuring part, the measuring parts are used for measuring the water level change in the counting unit and the temporary rearing unit, and the number N of the seedlings is obtained by utilizing the relation between the water level change and the seedling volume, and the formula is as follows:
N＝n×100×(△H/△h)，
wherein, the delta H is the water level change value of the temporary rearing unit, the delta H is the water level change value of the counting unit, and the n is the number of the seedlings in the counting unit.
Preferably, the measuring part comprises a laser distance meter and a floater, and the laser distance meter is fixedly arranged at the upper parts of the temporary rearing unit and the counting unit and is used for measuring the position change of the floater to obtain a water level change value.
Preferably, the temporary rearing unit comprises a water level pipe and a temporary rearing barrel, the water level pipe is communicated with the temporary rearing barrel, the laser range finder is fixedly arranged at the upper part of the temporary rearing barrel, and the floater is opaque and arranged in the water level pipe.
Preferably, the temporary rearing unit further comprises an outer barrel, a drainage assembly, a hook, an oxygenation assembly, an adjusting assembly and a netting; the outer barrel is arranged outside the temporary rearing barrel and forms a first accommodating space with the temporary rearing barrel, the outer barrel is connected with the adjusting assembly, the netting is arranged on the inner wall of the temporary rearing barrel through the hook, the drainage assembly is arranged in the temporary rearing barrel, and the oxygenation assembly is arranged in the first accommodating space.
Preferably, the drainage assembly comprises a drainage pipe and a drainage valve arranged on the drainage pipe; the oxygenation assembly comprises an oxygenation pump, a gas pipe, a tower-shaped nanometer oxygenation pipe and a tower-shaped stainless steel support, wherein the oxygenation pump is used for delivering gas to the tower-shaped nanometer oxygenation pipe arranged on the tower-shaped stainless steel support through the gas pipe; the adjusting assembly comprises a height adjusting foot and a level meter, the height adjusting foot is arranged at the bottom of the outer barrel, and the level meter is arranged outside the counting unit.
Preferably, still include the energy supply unit, the energy supply unit sets up on the unit of fostering temporarily.
Preferably, the energy supply unit includes solar panel, solar control ware, battery, solar panel sets up foster on the unit temporarily, solar control ware passes through the connection of electric lines the battery to control the operation of oxygenating pump, the electric energy of solar panel conversion passes through solar control ware and stores in the battery.
As another aspect of the invention, the invention provides a method for counting the number of temporarily-cultured seedlings outside a fish proliferation and releasing room, which comprises the steps of obtaining a water level change value delta H of a temporarily-cultured unit and a water level change value delta H of a counting unit; obtaining the number N of the seedlings by utilizing the relation between the water level change and the seedling volume, wherein the formula is as follows:
N＝n×100×(△H/△h)，
wherein n is the number of seeds in the counting unit; the acquiring of the water level change value delta H of the temporary rearing unit and the water level change value delta H of the counting unit is performed by measuring the position change of the floater by a laser range finder fixedly arranged at the upper parts of the temporary rearing unit and the counting unit.
Further, the offspring is a low age population.
Has the advantages that:
(1) the solar energy constant-voltage power supply device can continuously supply power to the oxygen filling pump through solar energy, solves the problem that a fixed power supply is lacked on the bank side, and is low in output voltage and safe for proliferation and discharge personnel;
(2) the height change of the water surface before and after the fry is added is measured by the laser range finder, and the number of the fry in the releasing device can be rapidly counted by combining the sample counter, so that the problem of acceptance check of the number of the fry is solved;
(3) the fry does not need to leave water in the process of counting the number of the fry, so that the survival rate of the fry is increased;
(4) the use of the tower-shaped nanometer oxygen charging pipe avoids oxygen deficiency caused by fry aggregation, so that the fries can be temporarily cultured in the inner barrel uniformly and layer by layer;
(5) the netting hangs impurity such as excrement and urine that can keep apart fry and bottom deposit in the bucket, improves bucket water quality, in addition, can directly mention the netting when releasing, puts into the sea with the fry fast, practices thrift the manpower, practices thrift the time of dragging for the fish greatly, reduces the artificial damage that causes when shifting the fry, improves the survival rate of releasing the fry.
Drawings
FIG. 1 is a schematic front view of the structure of an apparatus according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a sample counting barrel of the apparatus in accordance with embodiment 4 of the present invention;
fig. 3 is a schematic view of a first accommodating space of the device in embodiment 3 of the present invention;
FIG. 4 is a schematic structural diagram of a tower-shaped nano oxygen charging tube of a device in example 4 of the invention;
FIG. 5 is a schematic diagram of the circuit connection among the solar panel, the storage battery, the solar controller and the oxygen pump of the device for counting the number of fish fry temporarily cultured outdoors in the fish breeding and releasing room according to the present invention;
FIG. 6 is a top view of the adjusting unit of the device for counting the number of fish fry temporarily kept outdoors according to the invention;
FIG. 7 is a schematic diagram showing the control relationship of the controller of the device for counting the number of fish fry temporarily kept outdoors in accordance with the present invention;
FIG. 8 is a schematic view of a measuring section of a device for counting the number of fish fry temporarily kept outdoors in a fish breeding and releasing environment according to the present invention;
FIG. 9 is a schematic view of a counting unit of a device for counting the number of fish fry temporarily kept outdoors in a fish breeding and releasing manner according to the present invention;
FIG. 10 is a schematic view of a fish luring unit of the device for counting the number of temporarily-cultured seedlings outside the fish breeding and releasing room according to the present invention;
reference numerals:
100-temporary rearing unit; 101-a drainage assembly; 102-an oxygenation assembly; 103-a regulating component; 106-water level pipe; 108-a drain pipe; 109-a drain valve; 111-hook; 112-a level; 113-netting; 114-a shelf; 115-hand sample counting bucket; 116-laser rangefinder on the hand sample counting bucket; 117-small cross-post; 119-an oxygen charging pump; 122-a gas delivery pipe; 123-tower-shaped nanometer oxygen charging pipe; 124-tower shaped stainless steel support; 125-fixed groove; 181-outer barrel; 182-temporary rearing barrel; 185-height adjustment feet; m-a first accommodating space;
200-a counting unit; 208-piece of net; 209-pull rope;
300-an energy supply unit; 303-a solar panel; 304-a controller; 305-a battery; 306-a display;
400-a measurement unit; 401-laser rangefinder; 402-a float; 403-a rope;
500-an induction unit; 501-a fixing piece; 502-an induction generating device; 503-inductive switch;
600-a regulating unit; 601-reel-; 602-expansion part-; 603-a clamping part-; 603-1, subsection; 602 a-a first telescoping member; 602 b-a second telescoping member; 602 b-1-containment element; 602 b-2-first telescopic element, 603 c-through hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
This embodiment 1 provides a seed quantity counting assembly who breeds outdoor temporarily of fish proliferation and release for when fishery proliferation and release operation is carried out in the field, the temporarily of seed breeds and high-efficient count facilitate. The device realizes temporary culture of the seedlings in a short term before propagation and releasing through the mutual matching of the temporary culture unit 100 and the counting unit 200, counts the seedlings and meets the requirement of quantitative propagation.
Specifically, the device for counting the number of the seedlings temporarily cultured outdoors through fish proliferation and releasing comprises a temporary culture unit 100 and a counting unit 200 arranged on the temporary culture unit 100, wherein the counting unit 200 and the temporary culture unit 100 are respectively provided with a measuring unit 400, and the measuring unit 400 can be a water level measuring instrument, such as a WH311 ten thousand meter and a neutralizer, and can measure water level height data in the counting unit 200 and the temporary culture unit 100. The biological fries in the early growth stage are selected for proliferation and releasing, the individual specification difference of the fries is very small, and therefore, the number N of the fries in the temporary rearing unit 100 can be obtained according to the relation between the water level change and the volume of the fries, such as a formula (1), by combining the average specification of the fries:
N＝n×100×(△H/△h) (1)
wherein, Δ H is the water level change value of the temporary rearing unit 100, Δ H is the water level change value of the counting unit 200, and n is the number of the seedlings in the counting unit 200. The temporary rearing unit 100 and the counting unit 200 may be a conventional temporary rearing tank 182, and the counting unit 200 is small in size and fixed by a rack 114 outside the temporary rearing unit 100 as a sampled small sample counting tank 115. During counting, a certain number N of seedlings are transferred into the counting unit 200 from the temporary rearing unit 100, the water level change values of the temporary rearing unit 100 and the counting unit 200 are recorded, and the number N of the seedlings in the temporary rearing unit 100 can be obtained by using the formula according to the direct proportional relation.
The fishery breeding and releasing is generally carried out by selecting young fishes, young fishes and other low-age fishes, the individual full length of the fry is usually less than 5cm, the individual difference is small, and the average specification and deviation of the fry are small, so the accuracy of calculating the fry quantity through the water level change caused by the fry quantity change is good.
Example 2
Different from embodiment 1, the present embodiment provides a device for counting the number of fish fry temporarily cultured outside the fish breeding and releasing room, wherein the measuring unit 400 comprises a laser distance meter 401 and a floater 402, the laser distance meter 401 is fixedly arranged at the upper parts of the temporarily culturing unit 100 and the counting unit 200 and is used for measuring the position change of the floater 402 and obtaining the water level change value according to the water level change reflected by the floater 402. Preferably, the laser range finder 401 can be selected from TF-Luna, TF02-Pro and the like, or other models with the resolution ratio superior to 0.1mm, and the floater 402 is an opaque floating ball, so that the detection requirement of the laser range finder 401 is met, and the laser range finder 401 can obtain water level data.
Further, in order to ensure that the float 402 is located in the detection area of the laser distance meter 401, the floating range of the float 402 needs to be limited, and the following limitation methods may be specifically referred to:
1) the floater 402 is connected with the rope 403, the other end of the rope 403 is fixed at the bottom of the temporary rearing unit 100, the length of the rope 403 is equal to the highest water level, and the rope has higher density, so that the deviation can be reduced, and the rope is ensured to be in a vertical state when the floater 402 is in water;
2) the rope 403 is connected to the float 402, the other end of the rope 403 is fixed at the bottom of the temporary rearing unit 100, the length of the rope 403 can be adjusted along with the water level height, namely, the other end of the rope 403 passes through the adjusting unit 600 as shown in fig. 3 and 4, and is fixed at the bottom of the temporary rearing unit 100 after being accommodated by the reel 601, when water is discharged in the barrel, due to the action of buoyancy, the float 402 rises along with the water level, the rope 403 which drives the reel 601 to rise through the adjusting unit 600 at the moment, after the water level is not increased any more, the rope 403 is in a vertical state, and the length of the. When the temporary rearing operation of proliferation and releasing is performed, a certain amount of water is firstly put into the temporary rearing barrel 182, and then the seeds and the water are added, so that the water level in the temporary rearing barrel 182 is changed for many times, therefore, in order to ensure the accuracy of measurement, a worker can adjust and control the release length of the rope 403 by rotating the wire wheel 601 when necessary, and particularly, the tightening operation is performed when the water level is reduced.
3) The temporary rearing unit 100 is provided with a water level pipe 106, and the float 402 is an opaque float with a diameter smaller than the pipe diameter of the water level pipe 106. The water level pipe 106 is communicated with the temporary rearing unit 100, that is, the water level pipe 106 is communicated with the temporary rearing tank 182, the laser distance meter 401 is fixedly arranged at the upper part of the temporary rearing tank 182 and above the water level pipe 106, according to the principle of the communicating vessel, the water level of the water level pipe 106 is identical to that of the temporary rearing unit 100, and the height change of the water level of the temporary rearing unit 100 is obtained by measuring the height change of the floater 402. The water level pipe 106 pipe diameter slightly is greater than float 402 diameter, satisfies float 402 with who the water level height float can, the diameter difference between them is preferred 2mm, guarantees float 402 on the one hand along with the undulant emergence position change of water level, and water level pipe 106 can guarantee that float 402 is vertical in the below of laser range finder 401 on the one hand, avoids the skew.
Generally, the density of the seedlings put in the temporary rearing unit 100 is high, the mantissas are large, and oxygenation is needed after the seedlings are put in, so that in order to avoid biological disturbance factors and water flow disturbance factors, the rope 403 is arranged close to the inner wall of the temporary rearing unit 100, and in the mode 2) or 3), compared with the mode 1), the defects of the biological disturbance factors and the water flow disturbance factors are overcome more easily, and the accuracy of measurement can be guaranteed very well. The counting unit 200 may measure the water level variation with reference to the method of 1) or 2), and preferably the method of 2) or 3). Preferably, the floater 402, the rope 403 and the adjusting unit 600 in the mode 2) are arranged at corresponding positions of the water level pipe 106, so that the adjusting unit 600 is arranged at the bottom of the temporary rearing barrel 182 vertical to the water level pipe 106, and the floater 402 and the rope 403 connected with one end thereof are arranged in the water level pipe, so that the rope 403 can be restrained to extend vertically; preferably, the rope 403 has scale lines, which facilitates intuitive obtaining of the rope length data a penetrating through the adjusting unit 600, and at this time, according to the water level data h provided by the measuring unit 400, when a-h is smaller than 0.1cm, the calculation accuracy can be further ensured by performing counting calculation according to a formula according to experience.
Further, the temporary rearing unit 100 is provided with an adjusting component 103, so that the temporary rearing unit is convenient to adapt to field operation conditions and ensures the horizontal state of the device. Specifically, the adjusting assembly 103 comprises a height adjusting foot 185 and a level gauge 112, the height adjusting foot 185 is arranged at the bottom of the outer tub 181, and the level gauge 112 is arranged at the upper part of the temporary rearing unit 100 for easy observation. The height adjusting feet 185 are fixed at the bottom 4 corners of the outer barrel 181 by screws, and the liquid level in the temporary rearing barrel 182 and the liquid level in the counting unit 200 can be maintained in a horizontal state by adjusting the height of the 4 height corners in cooperation with the level gauge 112 during operation on soft or uneven ground.
Example 3
The present embodiment is different from the above-described embodiments in that the adjusting unit 600 includes a telescopic portion 602 and a clamping portion 603, and plays a role of clamping. Specifically, the clamping portion 603 is made of a flexible material and comprises a plurality of sub-portions 603-1, the outer edges of the sub-portions 603-1 are fixedly connected, such as integrally formed, and the other connecting portions are contacted with each other, so that the clamping portion 603 has a structure that the outer edges are fixed but the inner sub-portions 603-1 can be separated, and the clamping portion 603 has a function of adaptively opening and closing according to needs, so as to clamp the rope 403; the extension portion 602 is an elastic member, and can cooperate to adjust the opening and closing degree of the clamping portion 603. Specifically, the string 403 passes through the inside of the clamping portion 603, so that the sub-portions 603-1 are changed from a contact state to a separation state. Preferably, the sub-portions 603-1 are fan-shaped, and the sub-portions 603-1 contact to form a clamping portion 603 of the circular flexible surface material; the rope 403 has ends of different thicknesses, preferably the end connected to the float 402 is thinner.
Further, the extension part 602 is divided into a first extension part 602a and a second extension part 602b, the first extension part 602a plays a role in restricting the position relationship between the clamping part 603 and the temporary rearing unit 100, and the second extension part 602b plays a role in adjusting the size of the opening and closing space of the clamping part 603, specifically, two ends of the first extension part 602a are respectively connected with the temporary rearing unit 100 and the clamping part 603, the second extension part 602b is arranged in the clamping part 603, and has a closed-loop structure, preferably, the first extension part 602a and the second extension part 602b are elastic parts, such as springs, and the extension directions of the springs of the first extension part 602a and the second extension part 602b are perpendicular to each other
Further, the second telescopic member 602b further comprises a receiving element 602b-1 and a first telescopic element 602b-2, which function to limit the displacement, the first telescopic element 602b-2 is disposed in the receiving element 602b-1, the receiving element 602b-1 is discontinuous or disconnected, the receiving element 602b-1 penetrates through each sub-portion 603-1, the clamping portion 603 further has a through hole 603c, when the rope 403 passes through the through hole 603c, the clamping portion 603 is opened to a greater extent due to the thickness of the rope 403, at this time, the first telescopic element 602b-2 is subjected to stretching displacement, which meets the requirement of opening the clamping portion 603, and the receiving element 602b-1 can adapt to different degrees of separation between the sub-portions 603-1.
When the sub-parts 603-1 are separated from each other, the first telescopic member 602a is squeezed, and since the telescopic member 602 is fixed at the bottom of the temporary rearing unit 100, a reverse thrust is generated on the clamping part 603, thereby ensuring the stable clamping of the rope 403 by the clamping part 603.
Example 4
Different from the above embodiments, the temporary rearing unit 100 further includes an outer tub 181, a drainage assembly 101, a hook 111, an oxygenation assembly 102, and a netting 113, which facilitates field temporary rearing of offspring seeds.
Specifically, the outer barrel 181 is disposed outside the temporary rearing barrel 182, and forms a first accommodating space M with the temporary rearing barrel 182, and the oxygenation assembly 102 is disposed in the first accommodating space M, so as to facilitate storage, save space, and fill crushed ice to reduce the water temperature of the outdoor releasing device. The oxygenation assembly 102 comprises an oxygenation pump 119, an air conveying pipe 122, a tower-shaped nanometer oxygenation pipe 123 and a tower-shaped stainless steel support 124, wherein the oxygenation pump 119 conveys air to the tower-shaped nanometer oxygenation pipe 123 arranged on the tower-shaped stainless steel support 124 through the air conveying pipe 122, so that bubbles filled in water are denser and smaller, and water fluctuation is reduced; the oxygen charging pump 119 is connected with the tower-shaped nanometer oxygen charging pipe 123 through the gas pipe 122, the tower-shaped nanometer oxygen charging pipe 123 is fixed on the tower-shaped stainless steel support 124, the upper edge of the temporary rearing barrel 182 is connected with the hook 111, the netting 113 is arranged on the inner wall of the temporary rearing barrel 182 through the hook 111, the bottom end of the netting 113 is 10cm away from the bottom of the temporary rearing barrel 182, and the fry excrement and impurities are prevented from being disturbed and suspended in water by the fry. The tower-shaped nanometer oxygen charging pipe 123 which is fixed is placed in the netting 113, the side length of the stainless steel bracket 24 is 10cm smaller than that of the bottom surface of the netting 113, the netting 113 can be kept to be stretched in the temporary rearing barrel 182, and the netting is prevented from being wound.
The drain unit 101 is disposed in the temporary rearing tank 182, and includes a drain pipe 108 and a drain valve 109 provided in the drain pipe 108, and the drain is controlled by opening and closing the drain valve 109. One end of the water discharge pipe 108 is connected to the bottom end of the temporary rearing barrel 182, the other end is connected to the water discharge valve 109, the water level pipe 106 is vertically inserted on the water discharge pipe 108 to form a U-shaped communicating vessel with the temporary rearing barrel 182, the side edge of the water level pipe 106 is connected to the outer barrel through the small cross column 117, and the water level pipe 106 is kept parallel to the side surface of the outer barrel 181.
Example 5
Different from the above embodiments, the present embodiment provides a device for counting the number of fish fry temporarily kept outside the fish breeding and releasing room, which further comprises an energy supply unit 300, wherein the energy supply unit 300 is arranged on the temporarily keeping unit 100.
Further, the controller 304 has a PLC control system, and is electrically connected to the inductive switch 503, so as to control the operations of the induction unit 500, the measurement unit 400, and the oxygen pump 119, specifically, when the fry is released into the temporary rearing unit 100, the controller 304 receives the signal change of the inductive switch 503, and commands the induction unit 500, the measurement unit 400, and the oxygen pump 119 to start up, when the release is performed, the fry and the water level in the temporary rearing unit 100 are significantly reduced, and the signal change of the inductive switch 503, and at this time, the controller 304 commands the induction unit 500, the measurement unit 400, and the oxygen pump 119 to immediately shut down, thereby avoiding the electric leakage phenomenon under the dynamic condition of water flow, and ensuring the safety in use.
Further, the controller 304 is electrically connected to the display 306, the display 306 is disposed on the upper portion of the temporary rearing unit 100, a determination operation program is programmed into the controller 304, and when the interpolation value between the rope length data a of the rope 403 and the water level data h provided by the measuring unit 400 is less than 0.1cm, the calculation can be performed by using a formula, and the offspring seed data in the temporary rearing unit 100 is displayed on the display 306.
The working principle of the device of the embodiment comprises the following specific steps:
in use outside the roomWhen the device for breeding, releasing, temporarily culturing and counting is used, the solar panel 303 is unfolded, the converted electric energy is input into the storage battery 305 through the controller 304, a certain amount of water is filled in the temporarily culturing barrel 182, the tower-shaped nanometer oxygen charging pipe 123 is placed on the netting 113, the controller 304 is adjusted to supply power to the oxygen charging pump 119, the height adjusting feet 185 on the four corners of the outer barrel 181 are adjusted, the level meter 112 is observed to enable the bottom plate 14 of the outer barrel to be horizontal, the laser range finder 401 is started, and the reading H is recorded0Draining the fry to be released from the fish pond, putting the fry into the netting 113 for temporary rearing, and recording the reading H of the laser range finder 401 at the moment1Filling a certain amount of water into the small sample counting barrel 115 of the counting unit 200, and recording the reading h of the laser range finder 116 on the small sample counting barrel 1150Randomly fishing the n tails of the fries from the temporary rearing barrel 182, putting the fries into the sample counting barrel 115, and recording the reading h of the laser range finder 116 on the sample counting barrel again1The number N of the fish fries in the vat can be calculated by the following formula (2), if the temperature is too high and the temporary rearing time is long, crushed ice can be added into the first accommodating space M of the temporary rearing vat 182 and the outer vat 181, when the temporary rearing is finished, the netting 113 can be directly lifted, the fish fries can be rapidly put into the natural water body, when the releasing of the fish fries is finished, the water valve 9 is opened, the water body in the temporary rearing vat 182 is emptied, and the releasing device can be retracted.
Example 6
Different from the foregoing embodiments, the present embodiment provides a device for counting the number of fish fry temporarily cultured outdoors in fish proliferation and releasing, which includes a fish luring unit 500, and when temporarily cultured fish fry are placed in the device, the influence of floating and jumping of fish fry on the large fluctuation of the liquid level is reduced, and the accuracy of measurement is ensured.
Specifically, the fish luring unit 500 is preferably arranged at the bottom of the temporary rearing unit 100 or the counting unit 200, the fish luring unit 500 is arranged at the bottom of the outer wall of the temporary rearing barrel 182, and comprises a fixing member 501, an induction generating device 502 and an induction switch 503, the induction switch 503 is a trigger switch, the induction generating device 502 is controlled to be opened or closed by sensing the gravity change of the device when the seedlings are added or discharged, the induction generating device 502 induces the swimming behavior of the seedlings, the seedlings are promoted to swim to the bottom of the temporary rearing unit 100, the whole seedlings are immersed in the water, the fluctuation of the liquid level of the seedlings when the seedlings swim on the water surface is reduced, and the accuracy of water level measurement is ensured. Preferably, the induction generator 502 can be a sound generator, a fluorescent lamp, a false bait (taste type, light type, etc.), a magnetic field generator, etc., and when the fluorescent lamp is selected, the bottom of the outer wall of the temporary rearing barrel 182 is preferably made of a transparent and light-transmitting material, such as glass, organic glass, etc.; when the taste type artificial bait is selected, the induction generating device 502 can be directly arranged at the inner bottom of the temporary rearing barrel 182, which is beneficial to ensuring the induction function; when the induction generating device 502 is selected to be a sound wave fish calling device and a magnetic field generator, the fish luring unit 500 is arranged at the bottom of the temporary rearing unit 100, when a fluorescent lamp, a false bait or a lure is selected, the fish luring unit 500 can also be arranged at the bottom of the counting unit 200, and preferably, the sensitivity of an induction switch 503 arranged at the bottom of the counting unit 200 is higher; preferably, the inductive switch 503 can also be manually switched to perform manual detection, a plurality of inductive generators 502 can be provided, and the fixing member 501 can be a fixing groove.
Further, since the calculation principle of the present invention is to disclose the multiple calculation relationship of (1) and (2), it is more important to reduce the height difference of the water level of the counting unit 200! Therefore, in order to ensure the inducing effect, the inner wall of the periphery of the counting unit 200 is provided with a stretching net 208, the upper edge of the stretching net 208 is provided with a pull rope 209, and the lower edge is fixed at the lower part of the inner wall of the temporary rearing barrel 182, is bottomless and is in an upper-lower open shape; the pull cord 209 is made of a material having a relatively high density, such as steel wire. When the device is used, the water level is higher than the net stretching 208, the water level h1 is recorded, after a certain number of fries are selected and put into the counting unit 200, the fish luring unit 500 is started, the fries are gathered underwater, at the moment, the pull rope 209 is slightly tightened until the fries cannot escape from the net stretching 208, the influence of the movement and jumping of the fries in the counting unit 200 on the change of the liquid level is reduced, the activity space of the fries is limited, and the accuracy of measurement is guaranteed. After the offspring seeds are stabilized in the net 208, the fish inducing unit 500 can be closed.
The structure of the net 208 and the pull rope 209 cannot be applied to the temporary rearing unit 100 in the embodiment because the temporary rearing unit 100 has a large volume, the number of the seedlings in the temporary rearing unit 100 is very high, the internal structure is complex, the net 113 is also arranged, the difficulty in operating the net 208 and the pull rope 209 is very high, and meanwhile, the operation process can produce a violent stress reaction on the seedlings, so that the seedlings are easily damaged, and the propagation and releasing are not facilitated.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. The utility model provides a fish breeds outdoor temporary rearing of releasing and seed quantity counting assembly which characterized in that: comprises a temporary rearing unit (100) and a counting unit (200) arranged on the temporary rearing unit (100);
the counting unit (200) and the temporary rearing unit (100) are respectively provided with a measuring unit (400), the measuring unit (400) measures water level changes in the counting unit (200) and the temporary rearing unit (100), and the number N of the seedlings is obtained by utilizing the relation between the water level changes and the seedling volume, and the formula is as follows:
N＝n×100×(△H/△h)，
wherein, the delta H is the water level change value of the temporary rearing unit (100), the delta H is the water level change value of the counting unit (200), and the n is the number of the seedlings in the counting unit (200).
2. The fish proliferation and releasing outdoor temporary rearing and fry quantity counting device according to claim 1, characterized in that: the measuring unit (400) comprises a laser distance meter (401) and a floater (402), wherein the laser distance meter (401) is fixedly arranged at the upper parts of the temporary rearing unit (100) and the counting unit (200) and is used for measuring the position change of the floater (402) to obtain a water level change value.
3. The fish proliferation and releasing outdoor temporary rearing and fry quantity counting device according to claim 1 or 2, characterized in that: the temporary rearing unit (100) comprises a water level pipe (106) and a temporary rearing barrel (182), wherein the water level pipe (106) is communicated with the temporary rearing barrel (182), the laser range finder (401) is fixedly arranged at the upper part of the temporary rearing barrel (182), and the floater (402) is opaque and arranged in the water level pipe (106).
4. The fish proliferation and releasing outdoor temporary rearing and fry quantity counting device according to claim 3, characterized in that: the temporary rearing unit (100) further comprises an outer barrel (181), a drainage component (101), a hook (111), an oxygenation component (102), an adjusting component (103) and a netting (113);
the outer barrel (181) is arranged outside the temporary rearing barrel (182) and forms a first accommodating space (M) with the temporary rearing barrel (182), the outer barrel (181) is connected with the adjusting component (103), the netting (113) is arranged on the inner wall of the temporary rearing barrel (182) through the hook (111), the drainage component (101) is arranged in the temporary rearing barrel (182), and the oxygenation component (102) is arranged in the first accommodating space (M).
5. The fish proliferation and releasing outdoor temporary rearing and fry quantity counting device according to claim 4, characterized in that: the drainage assembly (101) comprises a drainage pipe (108) and a drainage valve (109) arranged on the drainage pipe (108); the oxygenation assembly (102) comprises an oxygenation pump (119), an air conveying pipe (122), a tower-shaped nanometer oxygenation pipe (123) and a tower-shaped stainless steel support (124), wherein the oxygenation pump (119) conveys air to the tower-shaped nanometer oxygenation pipe (123) arranged on the tower-shaped stainless steel support (124) through the air conveying pipe (122); the adjusting assembly (103) comprises a height adjusting foot (185) and a level gauge (112), the height adjusting foot (185) is arranged at the bottom of the outer barrel (181), and the level gauge (112) is arranged outside the counting unit (200).
6. The fish proliferation and releasing outdoor temporary rearing and fry quantity counting device according to any one of claims 1, 2, 4 and 5, wherein: the temporary rearing device further comprises an energy supply unit (300), wherein the energy supply unit (300) is arranged on the temporary rearing unit (100).
7. The fish proliferation and releasing outdoor temporary rearing and fry quantity counting device according to claim 6, characterized in that: energy supply unit (300) include solar panel (303), controller (304), battery (305), solar panel (303) set up foster on the unit (100) temporarily, controller (304) pass through the connection of electric lines battery (305) to control the operation of oxygenating pump (119), the electric energy of solar panel (303) conversion passes through controller (304) and stores in battery (305).
8. A method for counting the number of fish fry temporarily cultured outdoors in a proliferation and releasing way is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
acquiring a water level change value delta H of the temporary rearing unit (100) and a water level change value delta H of the counting unit (200);
obtaining the number N of the seedlings by utilizing the relation between the water level change and the seedling volume, wherein the formula is as follows:
N＝n×100×(△H/△h)，
wherein n is the number of offspring seeds within said counting unit (200);
the water level change value delta H of the temporary rearing unit (100) and the water level change value delta H of the counting unit (200) are obtained by measuring the position change of a floater (402) through a laser range finder (401) fixedly arranged at the upper parts of the temporary rearing unit (100) and the counting unit (200).
9. The method of counting the number of fish fry in temporary rearing out of the fish breeding stocking room in releasing as claimed in claim 8, wherein: the offspring seeds are of a low age group.
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