CN109362627B - Large-scale water tank temperature control system and method for parent fish spawning experiment - Google Patents
Large-scale water tank temperature control system and method for parent fish spawning experiment Download PDFInfo
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- CN109362627B CN109362627B CN201811080541.4A CN201811080541A CN109362627B CN 109362627 B CN109362627 B CN 109362627B CN 201811080541 A CN201811080541 A CN 201811080541A CN 109362627 B CN109362627 B CN 109362627B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 182
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 81
- 238000002474 experimental method Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 230000007613 environmental effect Effects 0.000 claims description 29
- 239000004744 fabric Substances 0.000 claims description 27
- 230000008859 change Effects 0.000 claims description 12
- 235000013601 eggs Nutrition 0.000 claims description 7
- 230000036760 body temperature Effects 0.000 claims description 6
- 238000011160 research Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006461 physiological response Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The invention discloses a large-scale water tank temperature control system and a large-scale water tank temperature control method for parent fish spawning experiments, wherein the system comprises a large-scale parent fish spawning experiment water tank, a water cooling machine, a heating device, a water temperature measuring device and a temperature control center, the water cooling machine and the heating device are arranged in a slow flow region of the experiment water tank, the water temperature measuring device is arranged in a parent fish spawning experiment region in the experiment water tank, the water cooling machine, the heating device and the water temperature measuring device are respectively connected with the temperature control center, the temperature control center starts the heating device when the temperature of a water body measured by the water temperature measuring device is lower than the suitable spawning temperature of the parent fish, and starts the water cooling machine when the temperature of the water body is higher. The invention can realize accurate control of the water temperature in the spawning experiment of the parent fish in the large-scale water tank.
Description
Technical Field
The invention relates to a temperature control technology, in particular to a large-scale water tank temperature control system and method for parent fish spawning experiments.
Background
The water environment factors such as temperature, flow velocity and the like have obvious influence on the movement and the propagation of the fish. When carrying out ecological water conservancy experiment in large-scale basin, the velocity of flow can reach better control effect with the water power pump, and the change of temperature then easily receives environment and jamming's influence to be difficult to control. The indoor fish simulation experiment has high requirements on temperature control, and not only needs to strictly control the temperature change range, but also needs to control the temperature change rate.
The application No. 201110350172.8 discloses a temperature control device for a loop experiment fluid, wherein a plurality of heating elements are arranged in an annular water tank and used for increasing the temperature of the loop experiment fluid, but the temperature can not be reduced under the condition of higher ambient temperature; the application document of application No. 201020136105.7 discloses a flowing water experimental device for fish laboratory experiments, which assumes that the flow rate of water flow is substantially uniform, and reflects the relationship between the flow rate and the adjustment frequency of a motor through a flow rate meter to obtain specific water temperature and flow rate, so as to examine the physiological and behavioral response mechanisms of individual fishes at different water temperatures and flow rates. The device is mainly suitable for water storage (still water) experimental facilities, and cannot achieve a good regulation and control effect on the complex environment of a large-scale flowing water tank.
With the development of the ecological and hydraulic discipline, the protection of fishes and habitats thereof is more and more paid attention by scientific researchers. The large water tank with the freely-adjustable flow rate can approach to the natural environment state more effectively, meets diversified test requirements, and has important significance for simulating the fish habitat, so that the development of the freely-controllable large water tank environment control technology is very important.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a large-scale water tank temperature control system and method for parent fish spawning experiments, aiming at the problems in the prior art.
The technical scheme is as follows: the large-scale water tank temperature control system for parent fish spawning experiments comprises: large-scale parent fish experiment basin, cold water machine, heating device, temperature measuring device and control by temperature change center of laying eggs, cold water machine and heating device lay in the slow flow district of experiment basin, the parent fish experiment area of laying eggs in the experiment basin of temperature measuring device, cold water machine, heating device and temperature measuring device connect respectively the control by temperature change center, the control by temperature change center is less than when the suitable temperature of laying eggs of parent fish at the water temperature that temperature measuring device measured and obtains, opens heating device, when the water temperature is higher than the suitable temperature of laying eggs of parent fish, opens the cold water machine.
Further, the system also comprises a shielding cloth and an environment temperature measuring device, the shielding cloth is arranged above the experimental water tank, the environment temperature measuring device is arranged in the surrounding environment of the experimental water tank, the shielding cloth and the environment temperature measuring device are respectively connected with the temperature control center, the temperature control center obtains the environmental temperature measured by the environmental temperature measuring device after the heating device is started, if the environmental temperature is lower than the suitable temperature for spawning of the parent fish, then a shielding cloth is adopted to shield the experimental water tank to prevent heat loss, if the environmental temperature is higher than the temperature suitable for spawning of the parent fish, the shielding cloth is opened to absorb the environmental heat, the environmental temperature is obtained after the water chiller is started, if the environmental temperature is lower than the temperature suitable for the parent fish to lay eggs, then open the matte and give off the heat, if ambient temperature is higher than the suitable temperature of parent fish spawning, then cover the experimental basin with the matte and prevent to absorb the ambient heat.
Further, the time t for the temperature control center to operate after the water chiller or the heating device is started is as follows:
t＝V·△T·4.2×106/P
in the formula, V is the volume of the water body in the experimental water tank, P is the effective power of a water cooling machine or a heating device, and Delta T is the absolute value of the difference between the water body temperature and the suitable spawning temperature of the parent fish.
The large-scale water tank temperature control method for parent fish spawning experiments comprises the following steps:
(1) build basin temperature control system, specifically include: arranging a water cooler and a heating device in a slow flow area of an experimental water tank, arranging a water temperature measuring device in a parent fish spawning experimental area in the experimental water tank, and respectively connecting a temperature control center with the water cooler, the heating device and the water temperature measuring device;
(2) the temperature control center reads the water temperature measured by the water temperature measuring device;
(3) when the temperature of the water body is lower than the preset suitable spawning temperature of the parent fish, the temperature control center starts the heating device;
(4) and when the temperature of the water body is higher than the preset suitable temperature for spawning of the parent fish, the temperature control center starts the water chiller.
Further, the step of establishing the water tank temperature control system in the step (1) further includes: setting up a shielding cloth above the experimental water tank, setting an environment temperature measuring device in the surrounding environment of the experimental water tank, and respectively connecting the shielding cloth and the environment temperature measuring device with the temperature control center;
after the step (3), the method further comprises the following steps: the temperature control center obtains the environmental temperature measured by the environmental temperature measuring device, if the environmental temperature is lower than the suitable spawning temperature of the parent fish, a shielding cloth is adopted to shield the experimental water tank to prevent heat loss, and if the environmental temperature is higher than the suitable spawning temperature of the parent fish, the shielding cloth is opened to absorb the environmental heat;
after the step (4), the method further comprises the following steps: the temperature control center acquires the ambient temperature that ambient temperature measuring device measured and obtained, if ambient temperature is less than the suitable temperature of parent fish spawning, then open the matte and give off the heat, if ambient temperature is higher than the suitable temperature of parent fish spawning, then cover the experiment basin with the matte and prevent to absorb the ambient heat.
Further, the time t for the temperature control center to operate after the water chiller or the heating device is started is as follows:
t＝V·△T·4.2×106/P
in the formula, V is the volume of the water body in the experimental water tank, P is the effective power of a water cooling machine or a heating device, and Delta T is the absolute value of the difference between the water body temperature and the suitable spawning temperature of the parent fish.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the invention can realize accurate temperature control of the large-scale water tank, so that the experimental water tank for spawning of the parent fish is always kept at a proper temperature, and has simple operation and low cost; the water body in the large water tank can be heated and cooled, can be quickly adjusted and also can be slowly adjusted, is freely converted, and provides a freely controllable experimental environment for fish ecological environment simulation research in ecological water conservancy research.
Drawings
FIG. 1 is a schematic connection diagram of a large-scale water tank temperature control system for parent fish spawning experiments provided by the invention;
FIG. 2 is a schematic structural view of a large experimental water tank for spawning of parent fish according to the present invention;
fig. 3 is a schematic diagram of the change in temperature of a body of water with and without the use of the present invention.
Detailed Description
Example 1
The embodiment provides a large-scale water tank temperature control system for parent fish spawning experiments, as shown in fig. 1, the system comprises a large-scale parent fish spawning experiment water tank, a water cooling machine, a heating device, a water temperature measuring device, a shielding cloth, an environment temperature measuring device and a temperature control center, wherein the overall shape of the experiment water tank is oval, as shown in fig. 2, the range is 70m-110m, the water cooling machine and the heating device are arranged in a slow flow region C, C ' of the experiment water tank, the water temperature measuring device is specifically a temperature sensor, and a parent fish spawning experiment region B, B ' arranged in the experiment water tank is specifically a reflux region A, A '; B. b' is an experimental zone; C. c 'and D, D' are slow flow regions. The shielding cloth is set up above the experimental water tank, the environment temperature measuring device is specifically a temperature sensor and is arranged in the surrounding environment of the experimental water tank, the water cooling machine, the heating device, the water temperature measuring device, the shielding cloth and the environment temperature measuring device are respectively connected with the temperature control center, the temperature control center is positioned near the water tank, when the water temperature measured by the water temperature measuring device is lower than the suitable spawning temperature of the parent fish, the heating device is started, the environment temperature measured by the environment temperature measuring device is obtained, if the environment temperature is lower than the suitable spawning temperature of the parent fish, the shielding cloth is adopted to shield the experimental water tank to prevent heat loss, and if the environment temperature is higher than the suitable spawning temperature of the parent fish, the shielding cloth is opened to absorb the environment heat; when water temperature is higher than the suitable temperature of parent fish spawning, open the cold water machine to acquire ambient temperature, if ambient temperature is less than the suitable temperature of parent fish spawning, then open the cover and give off the heat, if ambient temperature is higher than the suitable temperature of parent fish spawning, then cover the experiment basin with the cover and prevent to absorb the ambient heat.
Wherein, assuming that the water temperature changes at Δ T, the heat quantity of the demand change is Δ Q, the effective working efficiency of the cooling device or the heating device is P, and Δ Q is cm Δ T is Pt, so the time T of the operation after the temperature control center starts the water cooling machine or the heating device is:
t＝V·△T·4.2×106/P
in the formula, V is the volume of the water body in the experimental water tank, P is the effective power of a water cooling machine or a heating device, and Delta T is the absolute value of the difference between the water body temperature and the suitable spawning temperature of the parent fish.
Example 2
The embodiment provides a large-scale water tank temperature control method for parent fish spawning experiments, which comprises the following steps:
(1) build basin temperature control system, specifically include: arranging a water cooler and a heating device in a slow flow area of an experimental water tank, arranging a water temperature measuring device in a parent fish spawning experimental area in the experimental water tank, arranging a shielding cloth above the experimental water tank, arranging an environment temperature measuring device in the surrounding environment of the experimental water tank, and respectively connecting a temperature control center with the water cooler, the heating device, the water temperature measuring device, the shielding cloth and the environment temperature measuring device;
(2) the temperature control center reads the water temperature measured by the water temperature measuring device;
(3) when the temperature of the water body is lower than a preset suitable spawning temperature of the parent fish, the temperature control center starts the heating device, obtains the environmental temperature measured by the environmental temperature measuring device, if the environmental temperature is lower than the suitable spawning temperature of the parent fish, a shielding cloth is adopted to shield the experimental water tank to prevent heat loss, and if the environmental temperature is higher than the suitable spawning temperature of the parent fish, the shielding cloth is opened to absorb the environmental heat;
(4) work as when water temperature is higher than the suitable temperature of the parent fish of predetermineeing that spawns, the cold water machine is opened at the control by temperature change center, and the control by temperature change center acquires the ambient temperature that ambient temperature measuring device measured and obtained, if ambient temperature is less than the suitable temperature of the parent fish that spawns, then open the blanket and give off the heat, if ambient temperature is higher than the suitable temperature of the parent fish that spawns, then cover the experiment basin with the blanket and prevent to absorb the environment heat.
Wherein the time T for the temperature control center to operate after the water cooler or the heating device is started is V. △ T.4.2 4.2 × 106and/P, wherein V is the volume of the water body in the experimental water tank, P is the effective power of the water chiller or the heating device, and △ T is the absolute value of the difference between the water body temperature and the suitable temperature for spawning of the parent fish.
Experimental verification
The in-situ coating experiment base of Nanjing water conservancy science research institute is selected, the overall shape of the experiment water tank is oval, the outer diameter of the circular part of the water tank is 18m, the length of the straight part is 15m, the outer circumference of the water tank is 87.33m, the inner circumference is 81.90m, the width is 0.74m, and the height is 1.70 m. The widening and deepening treatment is carried out near the vertex of the long axis of the ellipse, so that the placement and the use of the flow pusher are facilitated. The experimental time is 6 months and 6 days to 6 months and 28 days in 2017, and the temperature of the water body of the water tank is reduced by operating the equipment in a natural environment. As shown in FIG. 3, the water temperature is monitored in a natural environment for 9 days (experiment number 1-9), and after the temperature control method is implemented, the temperature of the experimental water tank is monitored from 10 th day to 23 th day for 14 days (experiment number 10-23). As shown in the following figures, after the method is implemented, the temperature fluctuation condition of the water tank is obviously improved, and the requirement of parent fish spawning on the water temperature is met.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (6)
1. The utility model provides a large-scale basin temperature control system for parent fish experiment of laying eggs which characterized in that: the device comprises a large parent fish spawning experiment water tank, a water cooling machine, a heating device, a water temperature measuring device and a temperature control center, wherein the water cooling machine and the heating device are arranged in a slow flow region of the experiment water tank, the water temperature measuring device is arranged in a parent fish spawning experiment region in the experiment water tank, the water cooling machine, the heating device and the water temperature measuring device are respectively connected with the temperature control center, the temperature control center starts the heating device when the temperature of water measured by the water temperature measuring device is lower than the suitable spawning temperature of the parent fish, and starts the water cooling machine when the temperature of water is higher than the suitable spawning temperature of the parent fish;
the system also comprises a shielding cloth and an ambient temperature measuring device, the shielding cloth is arranged above the experimental water tank, the environment temperature measuring device is arranged in the surrounding environment of the experimental water tank, the shielding cloth and the environment temperature measuring device are respectively connected with the temperature control center, the temperature control center obtains the environmental temperature measured by the environmental temperature measuring device after the heating device is started, if the environmental temperature is lower than the suitable temperature for spawning of the parent fish, then a shielding cloth is adopted to shield the experimental water tank to prevent heat loss, if the environmental temperature is higher than the temperature suitable for spawning of the parent fish, the shielding cloth is opened to absorb the environmental heat, the environmental temperature is obtained after the water chiller is started, if the environmental temperature is lower than the temperature suitable for the parent fish to lay eggs, then open the matte and give off the heat, if ambient temperature is higher than the suitable temperature of parent fish spawning, then cover the experimental basin with the matte and prevent to absorb the ambient heat.
2. The large-scale water tank temperature control system for parent fish spawning experiments according to claim 1, wherein: the time t of operation after the water chiller or the heating device is started by the temperature control center is as follows:
t＝V·△T·4.2×106/P
in the formula, V is the volume of the water body in the experimental water tank, P is the effective power of a water cooling machine or a heating device, and Delta T is the absolute value of the difference between the water body temperature and the suitable spawning temperature of the parent fish.
3. The large-scale water tank temperature control system for parent fish spawning experiments according to claim 1, wherein: the outer circumference of the experimental water tank is 70-110 m.
4. A large-scale water tank temperature control method for parent fish spawning experiments is characterized by comprising the following steps:
(1) build basin temperature control system, specifically include: arranging a water cooler and a heating device in a slow flow area of an experimental water tank, arranging a water temperature measuring device in a parent fish spawning experimental area in the experimental water tank, and respectively connecting a temperature control center with the water cooler, the heating device and the water temperature measuring device; setting up a shielding cloth above the experimental water tank, setting an environment temperature measuring device in the surrounding environment of the experimental water tank, and respectively connecting the shielding cloth and the environment temperature measuring device with the temperature control center;
(2) the temperature control center reads the water temperature measured by the water temperature measuring device;
(3) when the temperature of the water body is lower than the preset suitable spawning temperature of the parent fish, the temperature control center starts the heating device; the temperature control center obtains the environmental temperature measured by the environmental temperature measuring device, if the environmental temperature is lower than the suitable spawning temperature of the parent fish, a shielding cloth is adopted to shield the experimental water tank to prevent heat loss, and if the environmental temperature is higher than the suitable spawning temperature of the parent fish, the shielding cloth is opened to absorb the environmental heat;
(4) work as when water temperature is higher than the suitable temperature of the parent fish of predetermineeing that spawns, the cold water machine is opened at the control by temperature change center, and the control by temperature change center acquires the ambient temperature that ambient temperature measuring device measured and obtained, if ambient temperature is less than the suitable temperature of the parent fish that spawns, then open the blanket and give off the heat, if ambient temperature is higher than the suitable temperature of the parent fish that spawns, then cover the experiment basin with the blanket and prevent to absorb the environment heat.
5. The temperature control method for the large-scale water tank for parent fish spawning experiments according to claim 4, which is characterized in that: the time t of operation after the water chiller or the heating device is started by the temperature control center is as follows:
t＝V·△T·4.2×106/P
in the formula, V is the volume of the water body in the experimental water tank, P is the effective power of a water cooling machine or a heating device, and Delta T is the absolute value of the difference between the water body temperature and the suitable spawning temperature of the parent fish.
6. The temperature control method for the large-scale water tank for parent fish spawning experiments according to claim 4, which is characterized in that: the outer circumference of the experimental water tank is 70-110 m.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305695A (en) * | 2007-05-17 | 2008-11-19 | 中国科学院海洋研究所 | Method for inducing the buffer flouder to naturally spawn |
| CN201682884U (en) * | 2010-03-22 | 2010-12-29 | 三峡大学 | Flowing water experimental facility in fish room |
| CN202153942U (en) * | 2011-07-13 | 2012-03-07 | 三峡大学 | Fish reproductive behavior tester |
| CN103125416A (en) * | 2013-03-25 | 2013-06-05 | 江苏中洋集团股份有限公司 | Ecological factorial breeding method of coilia ectenes parent fish |
| CN106879509A (en) * | 2017-03-24 | 2017-06-23 | 覃忠 | A kind of bar house oil fish artificial fecundation method |
| CN107969370A (en) * | 2017-12-08 | 2018-05-01 | 中国水产科学研究院黑龙江水产研究所 | Salmon fishes reproductive behavior observes device |
-
2018
- 2018-09-17 CN CN201811080541.4A patent/CN109362627B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305695A (en) * | 2007-05-17 | 2008-11-19 | 中国科学院海洋研究所 | Method for inducing the buffer flouder to naturally spawn |
| CN201682884U (en) * | 2010-03-22 | 2010-12-29 | 三峡大学 | Flowing water experimental facility in fish room |
| CN202153942U (en) * | 2011-07-13 | 2012-03-07 | 三峡大学 | Fish reproductive behavior tester |
| CN103125416A (en) * | 2013-03-25 | 2013-06-05 | 江苏中洋集团股份有限公司 | Ecological factorial breeding method of coilia ectenes parent fish |
| CN106879509A (en) * | 2017-03-24 | 2017-06-23 | 覃忠 | A kind of bar house oil fish artificial fecundation method |
| CN107969370A (en) * | 2017-12-08 | 2018-05-01 | 中国水产科学研究院黑龙江水产研究所 | Salmon fishes reproductive behavior observes device |
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