CN113994904B - Artificial propagation method for fry early propagation - Google Patents
Artificial propagation method for fry early propagation Download PDFInfo
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- CN113994904B CN113994904B CN202111497194.7A CN202111497194A CN113994904B CN 113994904 B CN113994904 B CN 113994904B CN 202111497194 A CN202111497194 A CN 202111497194A CN 113994904 B CN113994904 B CN 113994904B
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- 238000000034 method Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000017448 oviposition Effects 0.000 claims 1
- 238000009395 breeding Methods 0.000 abstract description 23
- 230000001488 breeding effect Effects 0.000 abstract description 21
- 241000252210 Cyprinidae Species 0.000 abstract description 19
- 230000001681 protective effect Effects 0.000 abstract description 10
- 238000001035 drying Methods 0.000 abstract description 2
- 230000012447 hatching Effects 0.000 abstract description 2
- 241000209439 Cabomba caroliniana Species 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 2
- 230000000249 desinfective effect Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 230000008733 trauma Effects 0.000 abstract 1
- 241000252233 Cyprinus carpio Species 0.000 description 40
- 241000251468 Actinopterygii Species 0.000 description 12
- 241001596950 Larimichthys crocea Species 0.000 description 6
- 210000001015 abdomen Anatomy 0.000 description 6
- 235000013601 eggs Nutrition 0.000 description 6
- 230000029052 metamorphosis Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004720 fertilization Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000016087 ovulation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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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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- 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
- A01K61/17—Hatching, e.g. incubators
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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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
- A01K63/065—Heating or cooling devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention belongs to the technical field of aquatic product propagation, and particularly discloses an artificial propagation method for fry early propagation, which comprises the following steps: the method comprises the following steps: constructing a spawning pond with the area of 30-40 square meters and the depth of 100-120 centimeters outdoors; step two: selecting female carps which have no trauma on the body surface and are normally fed with pregnant women; step three, paving a protective film with a rough surface at the bottom of the spawning pond: step four: disinfecting the spawning pond, and then putting water into the spawning pond; step five: putting the selected female carps into the established spawning pond; step six: bundling the fish grass into a circle, and placing the circle inside a spawning pond; step seven: an electric water-adding heat pipe is arranged inside the spawning pond, and the electric water-adding heat pipe is controlled to be 20-25 ℃ so as to promote female carps to spawn; step eight: and (3) putting the fish grass with the roes on a tree trunk, spraying water once every 3 hours for 3 days, wherein the spraying water is required to be sprayed thoroughly and uniformly, preventing the roes from drying and dehydrating, and waiting for hatching. The early breeding rate of the carps is high.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to an artificial propagation method for early propagation of fish fries.
Background
The natural breeding of fish means that after beginning spring every year, the temperature rises, female fish can lay eggs, and new fish fries are bred and incubated by incubating fish eggs. Fishery breeding enterprises mostly depend on a natural breeding mode to incubate new fish fries. The fry bred by the natural breeding mode mostly has little difference in the time for each enterprise to appear on the market. Many other enterprises need a large amount of fries in the early days, so that the earlier fries are sold, the better the market is, and the higher the fry price is.
Chinese patent No. CN108142328B discloses a method for early breeding and rapid breeding of small yellow croakers, which comprises the steps of preparing a parent fish pond and an incubation cylinder, selecting parent fish for nutrition enhancement, ovulation fertilization, fertilized egg incubation, breeding and the like. By the method for early breeding the fry of the small yellow croaker, the spawning and fertilization time of the small yellow croaker is advanced by 1 month compared with the natural condition, the spawning and fertilization rate is 88.2 +/-0.2%, the fertilization rate is 78.4 +/-0.1%, the hatching rate is 76.7 +/-0.1%, the fry breeding time of the small yellow croaker with the body length of 5cm is shortened by 50 days compared with the fry breeding under the natural condition, the average body length of the fry at the beginning of 6 months reaches 7.8cm, the survival rate is improved by 20%, the early emergence and the early marketing of the small yellow croaker are realized, the fry price of the small yellow croaker is high, and the economic benefit is good.
However, the above scheme is not practical for carps, and in the breeding habit of carps, the abdomen of the carps needs to be massaged when the carps propagate early, so that an artificial breeding method for early breeding of fish fries needs to be provided, so as to be suitable for early breeding of carps.
Disclosure of Invention
The scheme aims to provide an artificial breeding method for early breeding of fish fries, so as to be suitable for early breeding of carps.
In order to achieve the aim, the scheme provides an artificial propagation method for fry early propagation, which comprises the following steps:
the inside floater that is equipped with of spawning pond, the inside inlet tube that communicates with it that is equipped with of spawning pond, be equipped with the valve on the inlet tube, the spawning pond lateral wall is equipped with third pressure switch, electric connection between third pressure switch and the valve.
When the water level is too low, the floating ball touches the third pressure switch, the valve is opened, and the water inlet pipe feeds water into the water tank to prevent the water level of the spawning tank from being too low. The mutual cooperation of the floating ball and the third pressure switch enables automatic water replenishing when the water level of the spawning pond is too low.
Furthermore, filter screens for limiting the floating ball to move left and right are arranged on two sides of the floating ball. In order to guarantee that the floating ball is not influenced by carp impact, filter screens are arranged on two sides of the floating ball, so that water flow is guaranteed to pass through, and the carp is prevented from impacting the floating ball.
Further, a shed body is arranged on the spawning pond, and a shutter used for ventilation is arranged on the shed body. The setting up of the canopy body guarantees that the spawning pond does not receive external environment influence, can keep out the wind and keep out the rain, guarantees that the inside reproduction of spawning pond is not influenced, and the shutter can ventilate the canopy body, realizes air cycle.
Further, be equipped with fixed connection's cylinder on the canopy body, the bottom at the spawning pond is established to the cylinder, the inside piston that is equipped with sliding connection of cylinder, be equipped with the memory alloy spring between the bottom of piston and cylinder, the one end of shutter articulates there is the one end of push rod, the other end and the piston fixed connection of push rod, the other end and the canopy body of shutter articulate.
When the internal temperature of the spawning pond exceeds the metamorphosis temperature, the memory alloy is heated to deform, the piston is pushed upwards, and the push rod is also pushed upwards, so that the louver window rotates upwards to ventilate the internal part of the shed body. When the temperature of the shed body is reduced to a certain degree, the temperature in the spawning pond is lower than the metamorphosis temperature, the memory alloy spring contracts, the piston and the push rod move downwards, and the shutter is closed.
The mutual cooperation of memory alloy spring, cylinder, piston and push rod makes the canopy body can regulate and control inside temperature voluntarily, provides good temperature for the carp is laid eggs, simultaneously, for the inside fresh air that bloies of canopy body, increases the oxygen environment of carp.
Further, be equipped with second pressure switch on the canopy body, be equipped with first pressure switch on the push rod, first pressure switch and second pressure switch mutually support, be equipped with the stand-by power supply who is used for adding the urgent power supply of water heat pipe for the electricity on the canopy body, be equipped with the red bulb on the canopy body, electric connection between red bulb, stand-by power supply, first pressure switch and the second pressure switch.
When electric water heat pipe outage during operation, the internal temperature of spawning pond lasts to be reduced, and the memory alloy spring lasts the shrink for piston and push rod move down, first pressure switch and second pressure switch contact, stand-by power supply adds the urgent power supply of water heat pipe to electricity, and the red light bulb lights. The red light bulb is lighted to warn that the temperature in the spawning pond is too low. The red bulb is obvious and can be noticed by people in time. The first pressure switch, the second pressure switch, the memory alloy spring, the piston, the push rod and the standby power supply are mutually matched to ensure that the electric water heat pipe is powered on emergently when the electric water heat pipe is not in work after power failure, so that the temperature environment for breeding the carps is ensured.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural view of a shutter, a cylinder, a piston, a memory alloy spring, a push rod, a first pressure switch, and a second pressure switch according to embodiment 2 of the present invention.
Fig. 4 is a first state diagram of embodiment 2 of the present invention.
Fig. 5 is a second state diagram of embodiment 2 of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
the reference numbers in the drawings of the specification include: the device comprises a shed body 1, a shutter 2, a push rod 3, a cylinder 4, a piston 5, a memory alloy spring 6, a first pressure switch 7, a second pressure switch 8, a water inlet pipe 9, a filter screen 10, an electric water heat pipe 11, a spawning pond 12, a floating ball 13, a third pressure switch 14, a standby power supply 15 and a protective film 16.
Example 1
As shown in the attached figure 1, the bottom of the spawning pond 12 is provided with a protective membrane 16, the surface of the protective membrane 16 is rough, and when the fish swims, the protective membrane 16 massages the abdomen of the fish. The kind of the protective film 16 is PE film or canvas.
The bottom of spawning pond 12 is equipped with insulating water heat pipe 11, and insulating water heat pipe 11 is inside to be equipped with mobile hot water, through the temperature of adjusting insulating water heat pipe 11 to guarantee spawning pond 12's inside temperature, and then promote the carp and breed. The water level is controlled to be the degree that the carp can be exposed on the back, and the carp is assisted to sun shine. The carp is sun-dried by the setting, feels warm external temperature, and further the carp is promoted to breed and lay eggs.
The protective film 16 is rough in surface, massages the abdomen of the carp, meanwhile, holes are prevented from being punched in the carp, the back drying and breeding of the carp are promoted, the temperature environment of the early breeding of the carp is controlled by adjusting the temperature of the electric water-adding heat pipe, the abdomen of the carp is massaged through the arrangement of the protective film 16, and the early breeding of the carp is assisted.
In the specific operation: when the carp moves at the bottom of the spawning pond 12, the surface of the protective film 16 massages the abdomen of the carp, and flowing hot water is arranged inside the electric water heating pipe 11 to ensure the internal temperature of the spawning pond 12 and further promote the carp to breed.
the difference with embodiment 1 is, in order to guarantee the temperature of spawning pond 12, be equipped with the canopy body 1 on the spawning pond 12, be equipped with the shutter 2 that is used for the ventilation on the canopy body 1, the setting of the canopy body 1 is guaranteed that spawning pond 12 does not receive external environment influence, can keep out the wind and keep out the rain, it is not influenced to guarantee the inside reproduction of spawning pond 12, shutter 2 can ventilate the canopy body 1, be equipped with the vent on the canopy body 1, shutter 2 can shelter from or spill the vent, spill or shelter from with the control vent through closing or opening shutter 2, in order to realize air cycle. One end of the shutter 2 is hinged with one end of a push rod 3, the other end of the push rod 3 is fixedly connected with a piston 5, and the other end of the shutter 2 is hinged with the shed body 1. Be equipped with fixed connection's cylinder 4 on the canopy body 1, cylinder 4 establishes in the bottom of spawning pond 12, and piston 5 slides and establishes inside cylinder 4, is equipped with memory alloy spring 6 between the bottom of piston 5 and cylinder 4, and memory alloy spring 6 receives the temperature influence, opens when the temperature surpasss the abnormal temperature, contracts when the temperature is less than the abnormal temperature. When the temperature in the spawning pond 12 exceeds the metamorphosis temperature, the memory alloy is heated and deformed, the piston 5 is pushed upwards, and the push rod 3 is also pushed upwards, so that the shutter 2 rotates upwards to ventilate the inside of the shed body 1 (shown in fig. 4). When the temperature of the housing 1 is lowered to a certain degree and the temperature inside the spawning pond 12 is lower than the metamorphosis temperature, the memory alloy spring 6 is contracted, the piston 5 and the push rod 3 are moved downward, and the louver 2 is closed (shown in fig. 5). The mutual cooperation of memory alloy spring 6, cylinder 4, piston 5 and push rod 3 makes canopy body 1 can regulate and control inside temperature voluntarily, provides good temperature for the carp is laid eggs, simultaneously, for 1 inside fresh air of blowing in of canopy body, increases the oxygen environment of carp. The metamorphosis temperature of the memory alloy can be adjusted according to the optimal spawning temperature of the carps. In order to ensure that the memory alloy metal can quickly sense the temperature change, the material of the cylinder 4 can be made into a material which is easy to conduct heat, and the side wall of the cylinder 4 is thin. The arrangement of the cylinder 4 protects the memory alloy spring 6, and the memory alloy spring is not easy to be collided by carps to shrink or deform by mistake. The transformation temperature of the memory alloy spring 6 is 18-20 ℃.
Be equipped with first pressure switch 7 on the push rod 3, be equipped with second pressure switch 8 on the canopy body 1, be equipped with the stand-by power supply 15 that is used for the urgent power supply of insulating water heat pipe 11 on the canopy body 1, first pressure switch 7, electric connection between second pressure switch 8 and the stand-by power supply 15, when 11 outage of insulating water heat pipe is out of work, the inside temperature in spawning pond 12 continuously reduces, memory alloy spring 6 continuously contracts, make piston 5 and push rod 3 move down, first pressure switch 7 and the contact of second pressure switch 8, stand-by power supply 15 adds the urgent power supply of water heat pipe to electricity, in order to guarantee the suitable temperature of spawning pond 12, and simultaneously, can be equipped with the red bulb on the canopy body 1, the red bulb, first pressure switch 7, electric connection between second pressure switch 8 and the stand-by power supply 15, the red bulb lights and crosses lowly with warning spawning pond 12 inside temperature. The red light bulb is obvious and can be noticed by people in time. The first pressure switch 7, the second pressure switch 8, the memory alloy spring 6, the piston 5, the push rod 3 and the standby power supply 15 are mutually matched to ensure that the electric water heat pipe 11 is powered on emergently when the power is off and does not work, so that the temperature environment for breeding the carps is ensured.
The inside floater 13 that is equipped with of spawning pond 12, the inside inlet tube 9 that is equipped with and communicates with it of spawning pond 12 are equipped with the valve on the inlet tube 9, and spawning pond 12 lateral wall is equipped with third pressure switch 14, and third pressure switch 14 establishes the place that spawning pond 12 leaned on down, electric connection between third pressure switch 14 and the valve. The float 13 may touch the third pressure switch 14. When the water level is too low, the floating ball 13 touches the third pressure switch 14, the valve is opened, and the water inlet pipe 9 feeds water into the water tank, so that the water level of the spawning tank 12 is prevented from being too low. The mutual cooperation of the floating ball 13 and the third pressure switch 14 enables the automatic water replenishing when the water level of the spawning pond 12 is too low. In order to guarantee that the floating ball 13 is not influenced by carp impact, the two sides of the floating ball 13 are provided with the filter screens 10, on one hand, water flow is guaranteed to pass through, on the other hand, the carp is prevented from impacting the floating ball 13, and meanwhile, the filter screens 10 can also limit the floating ball 13 to move left and right.
In the specific operation: when the internal temperature of spawning pond 12 surpassed the abnormal state temperature, memory alloy spring 6 was heated and takes place deformation, upwards promoted piston 5, and push rod 3 also upwards promotes for 2 left ends of shutter 2 upwards rotate, spill the vent, for the inside ventilation of canopy body 1. When the temperature of the shed body 1 is reduced to a certain degree, the temperature in the spawning pond 12 is lower than the metamorphosis temperature, the memory alloy spring 6 contracts, the piston 5 and the push rod 3 move downwards, and the shutter 2 is closed.
When 11 outage of insulating water heat pipe are out of work, the inside temperature of spawning pond 12 lasts to be reduced, and memory alloy spring 6 lasts the shrink for piston 5 and push rod 3 move down, first pressure switch 7 and the contact of second pressure switch 8, stand-by power supply 15 adds the urgent power supply of water heat pipe to electricity, and the red light bulb lights.
When the water level is too low, the floating ball 13 touches the third pressure switch 14, the valve is opened, and the water inlet pipe 9 feeds water into the water tank to prevent the water level of the spawning tank 12 from being too low.
Example 3
Different from the embodiment 1, the utility model also comprises a feeder which is arranged on the water surface of the spawning pond 12 and used for feeding at regular time. So that the feeder can feed the feed once every 3 hours. The feeder can swim around on the water surface and feed uniformly. The feeder comprises a hull, a bow and a stern.
Further comprising:
the driving unit is used for driving the feeder to move, the driving unit is a pneumatic fan arranged on the stern, and the number of the pneumatic fans is 1;
the timing unit is used for driving the ship body to move at fixed time, and is a timer arranged on the ship body and started every 3 hours;
the feeding unit is used for storing and feeding feed and starts to feed the feed after receiving a signal of starting the driving unit, and comprises a feeding bin (the feed is arranged inside) arranged on the ship body, a valve for opening and closing the feeding bin and a packing auger for conveying the feed (the motor is used as a power source);
the collecting unit is used for presetting a left wall boundary (which can be used for carrying out related determination marking points according to actual conditions) at the bottom of the spawning pond 12 as a marking point after receiving a signal for starting the driving unit, and starting to collect the position data of each carp, and the collecting unit is a camera arranged at the stern;
the control unit is used for receiving the position data of each carp generated by the acquisition unit and judging whether the carp needing auxiliary feeding exists according to the position data and the mark points of each carp, the control unit is a controller (a processor and a controller, namely a PC (personal computer) chip and a singlechip, the information communication between the PC chip and the singlechip is realized by adding a communication chip, a certain controller can be selected, the actual requirement can be met, mainly the image processing is required, the main frequency of the STC series singlechip is not enough, the ARM (advanced RISC machine) can be used, the processor is required to process, then the relative coordinate is sent to the singlechip, and the controller regenerates a related control instruction to control the subsequent steering unit and driving unit);
if the position of each carp relative to the mark point is changed, no carp needing auxiliary feeding exists, a positive signal is generated, and the ship body continues to move;
if the position data of individual carps is unchanged relative to the mark points, carps needing auxiliary feeding exist, and negative signals are generated;
and the steering unit is a steering engine arranged at the stern and can control the steering of the ship body, after receiving a negative signal, the carp position data for feeding is assisted as required, the steering engine controls the ship body to steer, and the ship body moves to a specific carp to assist feeding.
Specifically, the timer drives the pneumatic fan to rotate within 3 hours, when the feeding device moves to feed, the camera of the acquisition unit presets a left wall boundary at the bottom of the spawning pond 12 as a mark point, each carp starts to be acquired, if the acquisition unit acquires that the individual carp does not move relative to the mark point, the acquisition unit transmits the signal and the position of the carp (for example, the individual carp is at the left lower part of the ship body) to the control unit, the control unit receives the signal, the individual carp does not follow the feeding device to eat the feed all the time, the individual carp is judged to need auxiliary feeding, and the steering engine controls the ship body to move obliquely downwards, so that the feeding device feeds the individual carp.
The feed is put in the positions of the individual carps in a locked mode so as to ensure that the individual carps can eat the feed, and by means of the cooperation, each carp can eat the feed independently aiming at carps which do not eat the feed actively. Meanwhile, the feeding device moves to ensure that the carp can move while eating the feed and is in contact with the surface of the protective film 16, so that the abdomen of the carp is massaged.
Further comprising:
the gravity collecting unit is used for collecting the feed allowance in the feeding bin and is a weight sensor arranged at the bottom of the feeding bin;
the control unit is also used for receiving the feed allowance in the feeding bin generated by the gravity acquisition unit, stopping feeding the feed (namely, closing a valve) after the feed allowance in the feeding bin reaches a preset threshold value (1 jin), and generating a closing instruction;
and the closing unit is used for closing the feeding bin to feed the feed, and the closing unit closes the valve after receiving a closing instruction, so that the feeding bin does not feed the feed any more.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (2)
1. An egg laying pond, comprising: a floating ball is arranged in the spawning pond, a water inlet pipe communicated with the spawning pond is arranged in the spawning pond, a valve is arranged on the water inlet pipe, a third pressure switch is arranged on the side wall of the spawning pond, and the third pressure switch is electrically connected with the valve;
a shed body is arranged on the spawning pond, and a shutter for ventilation is arranged on the shed body;
the device comprises a shed body, a gas cylinder, a piston, a memory alloy spring, a push rod, a shutter and a spring, wherein the shed body is provided with the gas cylinder which is fixedly connected, the gas cylinder is arranged at the bottom of a spawning pond, the piston which is in sliding connection is arranged in the gas cylinder, the memory alloy spring is arranged between the piston and the bottom of the gas cylinder, one end of the shutter is hinged with one end of the push rod, the other end of the push rod is fixedly connected with the piston, and the other end of the shutter is hinged with the shed body;
the utility model discloses a greenhouse is characterized in that be equipped with on the canopy body second pressure switch, be equipped with first pressure switch on the push rod, first pressure switch and second pressure switch mutually support, be equipped with the stand-by power supply who is used for adding the water heat pipe emergency power supply for the electricity on the canopy body, be equipped with the red bulb on the canopy body, electric connection between red bulb, stand-by power supply, first pressure switch and the second pressure switch.
2. The spawning pond according to claim 1, wherein filter screens for limiting the floating ball from moving left and right are arranged on two sides of the floating ball.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111497194.7A CN113994904B (en) | 2021-12-09 | 2021-12-09 | Artificial propagation method for fry early propagation |
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| CN202111497194.7A CN113994904B (en) | 2021-12-09 | 2021-12-09 | Artificial propagation method for fry early propagation |
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| CN113994904B true CN113994904B (en) | 2023-03-21 |
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