CN117441668A - Multi-cylinder aquaculture constant temperature system capable of controlling temperature in cold and warm mode respectively - Google Patents
Multi-cylinder aquaculture constant temperature system capable of controlling temperature in cold and warm mode respectively Download PDFInfo
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- CN117441668A CN117441668A CN202311549856.XA CN202311549856A CN117441668A CN 117441668 A CN117441668 A CN 117441668A CN 202311549856 A CN202311549856 A CN 202311549856A CN 117441668 A CN117441668 A CN 117441668A
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- constant temperature
- liquid
- variable frequency
- condenser
- frequency compressor
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- 238000009360 aquaculture Methods 0.000 title claims abstract description 23
- 244000144974 aquaculture Species 0.000 title claims abstract description 23
- 241000251468 Actinopterygii Species 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 238000005057 refrigeration Methods 0.000 claims description 45
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 29
- 229910052719 titanium Inorganic materials 0.000 claims description 29
- 239000010936 titanium Substances 0.000 claims description 29
- 239000003921 oil Substances 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 9
- 239000010725 compressor oil Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 12
- 239000003507 refrigerant Substances 0.000 description 12
- 241001465754 Metazoa Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 5
- 235000019688 fish Nutrition 0.000 description 5
- 235000014102 seafood Nutrition 0.000 description 5
- 235000015170 shellfish Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
Abstract
The invention relates to the technical field of aquaculture with constant temperature, in particular to a multi-cylinder aquaculture constant temperature system capable of controlling temperature by respectively cooling and heating. According to the invention, through the parallel connection technology of the variable frequency compressor and the fixed frequency compressor, when the constant temperature load of the fish tank cannot meet the constant temperature requirement when the variable frequency compressor is increased to the full load operation, the fixed frequency compressor connected with the variable frequency compressor in parallel is started step by step, so that the parallel connection design of up to fifteen fish tank constant temperature systems is realized, and the constant temperature operation of each fish tank can be respectively carried out by respectively controlling the three-way valve and the electromagnetic valve of each fish tank constant temperature system.
Description
Technical Field
The invention relates to the technical field of aquaculture with constant temperature, in particular to a multi-cylinder aquaculture constant temperature system capable of respectively controlling temperature in a cooling and heating mode.
Background
At present, the aquaculture constant temperature system is widely applied to the field of the cultivation of animals such as seafood, fish, shellfish and the like, and the constant temperature adjustment is adopted to provide a comfortable growth environment for the animals such as seafood, fish, shellfish and the like. In hotels and supermarkets, the vitality of animals such as seafood, fish, shellfish and the like can be maintained by keeping the constant temperature of water in the fish tank, so that the economic loss caused by death of the animals such as seafood, fish, shellfish and the like is reduced; the cultivation system of the cultivation thermostat is characterized in that heat is obtained from the outside air, the heat is transferred into a cultivation water environment through the pressure rise of a compressor and the heat release of a water side heat exchanger, or the redundant heat in the cultivation water environment is absorbed by the water side heat exchanger, the pressure rise of the compressor and the heat is released into the outside air environment through an air side fin heat exchanger;
existing scheme 1:
the water temperature, salinity and water quality requirements of animals such as seafood, fish, shellfish and the like on growth or survival of the animals are different, each fish tank is correspondingly matched with a set of air source heat pump constant-temperature culture system, and the water temperature of each culture fish tank is respectively constant by setting the target water temperature.
According to the scheme, an independent cultivation thermostat is needed for each different water temperature of the fish tank, so that a plurality of cultivation thermostats are needed to be installed for the fish tanks with different water temperature requirements. Therefore, the installation of the air culture thermostat needs to occupy more positions, and in commercial places such as supermarkets, restaurants and the like, the installation space of equipment is often limited. As shown in fig. 4, the solid line direction in the figure is the heating flow direction, and the dotted line direction is the cooling flow direction;
existing scheme 2:
for a plurality of fish tanks requiring different water temperatures, a large cultivation thermostat is adopted to refrigerate a plurality of fish tanks with a plurality of titanium tube evaporators, and an electric heating rod is respectively arranged in the titanium tube evaporators and used as an auxiliary heat source to maintain the respective required water temperatures; the system can maintain different required water temperatures of each fish tank, and the heat pump unit occupies smaller space, but the energy conservation is poor and the operation cost is high because a plurality of electric heating rods are additionally arranged. As shown in fig. 5.
Therefore, a multi-cylinder aquaculture constant temperature system capable of controlling temperature in a cooling and heating mode is designed.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a multi-cylinder aquaculture constant temperature system capable of controlling temperature in a cooling and heating mode respectively.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the multi-cylinder aquaculture constant temperature system comprises a variable frequency compressor, a plurality of fixed frequency compressors, a first condenser, a second condenser, a gas-liquid separator, an oil separator and a pair of liquid reservoirs, wherein the variable frequency compressor and the fixed frequency compressors are communicated in parallel through parallel compressor oil equalizing pipes, and a refrigerating mechanism for refrigerating and adjusting the fish tank is formed among the variable frequency compressor, the fixed frequency compressors, the oil separator, the first condenser, the liquid reservoirs and the gas-liquid separator;
and a heating mechanism for heating and adjusting the fish tank is formed among the variable frequency compressor, the fixed frequency compressors, the oil separator, the liquid reservoir, the second condenser and the gas-liquid separator.
Preferably, the variable frequency compressor, the fixed frequency compressors, the first condenser, the second condenser, the gas-liquid separator, the oil separator and the pair of liquid reservoirs are all communicated through a communicating water pipe.
Preferably, the refrigeration mechanism further comprises:
the first refrigeration expansion valve, the first titanium tube heat exchanger and the first three-way valve are sequentially arranged on a communication water tube between the liquid storage device and the gas-liquid separator, and the first titanium tube heat exchanger is communicated with the first fish tank through two sections of communication water tubes and a first circulating water pump;
the variable frequency compressor, the fixed frequency compressors, the oil separators, the first condensers, the liquid storages, the one-way valves, the first refrigeration expansion valves, the first titanium tube heat exchangers, the first three-way valves and the gas-liquid separators sequentially form a first refrigeration loop.
Preferably, the heating mechanism further includes:
the first electromagnetic valve is arranged on a communicating water pipe between the first titanium pipe heat exchanger and the liquid reservoir, and a first heating loop is sequentially formed among the variable frequency compressor, the fixed frequency compressors, the oil separator, the first three-way valve, the first titanium pipe heat exchanger, the first electromagnetic valve, the one-way valve, the liquid reservoir, the heating expansion valve, the second condenser and the gas-liquid separator.
Preferably, the number of the fixed-frequency compressors is set to at least one and not more than two.
Preferably, a plurality of refrigeration loops are respectively communicated in parallel between the liquid reservoir and the gas-liquid separator which are close to the first condenser, and a plurality of heating loops are respectively communicated in parallel between the oil separator and the liquid reservoir.
Preferably, a water temperature sensor for monitoring the water temperature is arranged in the first fish tank.
The beneficial effects of the invention are as follows:
1. according to the invention, through the parallel connection technology of the variable frequency compressor and the fixed frequency compressor, the variable frequency compressor or the direct current variable frequency compressor is started firstly during operation, the output of the variable frequency compressor or the direct current variable frequency compressor is increased or reduced along with the gradual increase or decrease of the constant temperature load of the fish tank, and when the constant temperature load of the fish tank is increased to the constant temperature requirement of the variable frequency compressor or the direct current variable frequency compressor during full-load operation, the fixed frequency compressor connected with the variable frequency compressor in parallel is started step by step, so that the energy saving effect is remarkable.
2. According to the invention, through optimizing the cultivation thermostat system, a larger cultivation thermostat system can be used for maintaining different water temperatures for a plurality of fish tanks with different water temperature requirements, and the purpose of energy-saving operation is achieved without any other auxiliary cold and heat sources.
3. The invention adopts the parallel design of the multi-fish tank constant temperature system, and realizes that each fish tank constant temperature system can independently perform refrigeration or heating constant temperature operation through controlling a plurality of three-way valves and electromagnetic valves, thereby realizing the refrigeration or heating constant temperature of a plurality of fish tanks under the condition that one cultivation constant temperature machine does not use auxiliary electric heating. On the basis of further energy conservation, the purpose of small occupied area of the constant temperature unit is realized.
Drawings
FIG. 1 is a detailed system diagram of a multi-cylinder aquaculture constant temperature system capable of controlling temperature in a cooling and heating mode respectively;
FIG. 2 is a schematic diagram of a first refrigeration circuit of a multi-cylinder aquaculture constant temperature system capable of controlling temperature in a cooling and heating mode respectively;
FIG. 3 is a schematic diagram of a first heating circuit of a multi-cylinder aquaculture constant temperature system capable of controlling temperature in a cooling and heating mode respectively;
FIG. 4 is a system diagram of a prior art scheme 1 of a multi-cylinder aquaculture constant temperature system capable of controlling temperature in a cooling and heating manner;
fig. 5 is a system diagram of a prior art scheme 2 of a multi-cylinder aquaculture constant temperature system capable of controlling temperature in a cooling and heating mode respectively.
In the figure: 1. a variable frequency compressor; 2. a fixed frequency compressor; 3. the oil equalizing pipe of the compressor is connected in parallel; 4. a first condenser; 5. a one-way valve; 6. a first refrigeration expansion valve; 7. a second refrigeration expansion valve; 8. a third refrigeration expansion valve; 9. a first electromagnetic valve; 10. a second electromagnetic valve; 11. a third electromagnetic valve; 12. a first titanium tube heat exchanger; 13. a second titanium tube heat exchanger; 14. a third titanium tube heat exchanger; 15. a first circulating water pump; 16. a second circulating water pump; 17. a third circulating water pump; 18. a first aquarium; 19. a second fish tank; 20. a third fish tank; 21. a first three-way valve; 22. a second three-way valve; 23. a third three-way valve; 24. a heating expansion valve; 25. a second condenser; 26. a gas-liquid separator; 27. an oil separator; 28. a reservoir.
Detailed Description
Referring to fig. 1-5, a multi-cylinder aquaculture constant temperature system capable of controlling temperature in a cooling and heating mode respectively comprises a variable frequency compressor 1, a plurality of fixed frequency compressors 2, a first condenser 4, a second condenser 25, a gas-liquid separator 26, an oil separator 27 and a pair of liquid reservoirs 28, wherein the variable frequency compressor 1 and the fixed frequency compressors 2 are communicated in parallel through parallel compressor oil equalizing pipes 3, a refrigerating mechanism for refrigerating and adjusting the fish tank is formed among the variable frequency compressor 1, the fixed frequency compressors 2, the oil separator 27, the first condenser 4, the liquid reservoirs 28 and the gas-liquid separator 26, and is used for refrigerating and adjusting the fish tank, so that the constant temperature is kept in the fish tank, and good environment is provided for the growth of aquatic products conveniently;
the refrigeration mechanism further comprises a first refrigeration expansion valve 6, a first titanium tube heat exchanger 12 and a first three-way valve 21, wherein the first refrigeration expansion valve 6, the first titanium tube heat exchanger 12 and the first three-way valve 21 are sequentially arranged on a communication water pipe between a liquid storage device 28 and a gas-liquid separator 26, the first titanium tube heat exchanger 12 is communicated with a first fish tank 18 through two sections of communication water pipes and a first circulating water pump 15, a second fish tank 19 and a second titanium tube heat exchanger 13 in a corresponding second refrigeration loop are communicated with a second circulating water pump 16 through two sections of communication water pipes, and a third fish tank 20 and a third titanium tube heat exchanger 14 in a third refrigeration loop are communicated with a third circulating water pump 17 through two sections of communication water pipes, and the first fish tank 18 is taken as an example: when the water temperature sensor detects that the water temperature in the first fish tank 18 rises, an electric signal is transmitted to the control board, the control board controls the first three-way valve 21 to be communicated with the two ends of A, B, and the variable frequency compressor 1 is controlled to work;
the plurality of check valves 5, a plurality of check valves 5 set up respectively on the communicating pipe way between inverter compressor 1 and a plurality of fixed frequency compressor 2, the check valves 5 that are located on the communicating pipe way between inverter compressor 1 and a plurality of fixed frequency compressor 2 set up relatively, prevent inverter compressor 1 and a plurality of fixed frequency compressor 2 pumped refrigerant backward flow, one of them check valve 5 sets up on the communicating pipe between reservoir 28 and first refrigeration expansion valve 6, the setting of check valve 5 prevents that the refrigerant from causing the backward flow, be convenient for guarantee that refrigerant and first titanium pipe heat exchanger 12 carry out controllable heat exchange, be convenient for adjust the temperature in the first fish bowl 18.
The variable frequency compressor 1, a plurality of fixed frequency compressors 2, an oil separator 27, a first condenser 4, a liquid storage 28, a one-way valve 5, a first refrigeration expansion valve 6, a first titanium tube heat exchanger 12, a first three-way valve 21 and a gas-liquid separator 26 sequentially form a first refrigeration loop, gaseous refrigerant is pumped out of the evaporator by the variable frequency compressor 1 and is pressed into the first condenser 4, high-pressure gaseous refrigerant is liquefied when passing through the first condenser 4 to perform heat exchange (release heat), low-temperature liquid refrigerant exchanges heat with the first titanium tube heat exchanger 12, the temperature of water in the first fish tank 18 is reduced, the temperature is regulated, when the water temperature sensor detects that the water temperature reaches a target value, the temperature is fed back to a control board, and the control board controls a A, B port of the first three-way valve 21 to be closed and the variable frequency compressor 1 to stop working.
Referring to fig. 1 and 3, a heating mechanism is formed among the variable frequency compressor 1, the plurality of fixed frequency compressors 2, the oil separator 27, the liquid storage 28, the second condenser 25 and the gas-liquid separator 26, and the heating mechanism is used for heating and adjusting the fish tank, so that the inside of the fish tank is kept at a constant temperature, and good environment is provided for the growth of aquatic products;
the heating mechanism further comprises a first electromagnetic valve 9, wherein the first electromagnetic valve 9 is arranged on a communicating water pipe between the first titanium pipe heat exchanger 12 and the liquid storage device 28, a first heating loop is sequentially formed among the variable frequency compressor 1, the plurality of fixed frequency compressors 2, the oil separator 27, the first three-way valve 21, the first titanium pipe heat exchanger 12, the first electromagnetic valve 9, the one-way valve 5, the liquid storage device 28, the heating expansion valve 24, the second condenser 25 and the gas-liquid separator 26, and the first heating loop of the first fish tank 18 is taken as an example:
when the water temperature sensor detects that the water temperature in the first fish tank 18 is reduced, an electric signal is transmitted to the control board, the control board controls the two ends of the A, C of the first three-way valve 21 to be opened, the variable frequency compressor 1 is controlled to work, the variable frequency compressor 1 sucks low-temperature low-pressure refrigerant gas from the air suction pipe, high-temperature high-pressure refrigerant gas is discharged to the air exhaust pipe, the high-temperature high-pressure refrigerant gas exchanges heat with the first titanium pipe heat exchanger 12, the temperature of the water in the first fish tank 18 is increased, and when the water temperature sensor detects that the water temperature reaches a target value, the electric signal is fed back to the control board, and the control board controls the first three-way valve 21 to be closed and the variable frequency compressor 1 to stop working.
Referring to fig. 1, the variable frequency compressor 1, the plurality of fixed frequency compressors 2, the first condenser 4, the second condenser 25, the gas-liquid separator 26, the oil separator 27 and the pair of reservoirs 28 are all communicated through the communicating water pipes, so that the effect of the arrangement is to be convenient for ensuring the independent operation of the refrigerating and heating loops of the plurality of fish tanks respectively, maintaining the circulation of the refrigerant in the refrigerating and heating loops and keeping the constant temperature environment in each fish tank.
Referring to fig. 1 and 2, the number of the fixed frequency compressors 2 is at least one and not more than two, when the constant temperature load is small, only the variable frequency compressor 1 is started, and as the constant temperature load increases, the capacity output of the variable frequency compressor 1 is gradually increased, when the variable frequency compressor 1 is not enough to meet the constant temperature load when running at full load, the fixed frequency compressors 2 are started step by step again to be supplemented, a plurality of electric heating auxiliary devices are not required to be installed, and the energy saving effect is remarkable.
Referring to fig. 1 and 2, a plurality of refrigeration circuits are respectively connected in parallel between the liquid reservoir 28 and the gas-liquid separator 26, which are close to the first condenser 4, a plurality of heating circuits are respectively connected in parallel between the oil separator 27 and the liquid reservoir 28, the plurality of refrigeration circuits which are arranged in parallel are sequentially divided into a first refrigeration circuit, a second refrigeration circuit and a third refrigeration circuit, and the first refrigeration circuit, the second refrigeration circuit and the third refrigeration circuit are respectively provided with a first refrigeration expansion valve 6, a second refrigeration expansion valve 7 and a third refrigeration expansion valve 8;
by adopting the parallel design of a plurality of fish tanks, through controlling a plurality of three-way valves and a plurality of electromagnetic valves respectively, each fish tank constant temperature system can independently perform refrigeration or heating constant temperature operation respectively, the refrigeration or heating constant temperature of a plurality of fish tanks is realized under the condition that auxiliary electric heating is not used by a cultivation constant temperature machine, the purpose of energy saving operation is achieved, and the purpose of small occupied area of a constant temperature unit is realized on the basis of further energy saving.
Referring to fig. 1, water temperature sensors are disposed in the first, second and third fish tanks 18, 19 and 20, the water temperature sensors are used for monitoring water temperature, when the water temperature in the fish tanks rises or falls, the water temperature sensors transmit monitored water temperature information to the control board through electric signals, and the control board controls the opening and closing of the first, second and third three-way valves 21, 22 and 23, the working operation of the variable frequency compressor 1 and the plurality of fixed frequency compressors 2, and the opening and closing of the first, second and third electromagnetic valves 9, 10 and 11 respectively.
The working principle of the invention is as follows:
the variable frequency compressor 1 and the fixed frequency compressors 2 are connected in parallel, when the constant temperature load is small, only the variable frequency compressor 1 is started, the capacity output of the variable frequency compressor 1 is gradually increased along with the increase of the constant temperature load, when the variable frequency compressor 1 runs at full load and is insufficient to meet the constant temperature load, the fixed frequency compressor 2 is started to supplement, the compressor is sucked through the refrigerant gas at low temperature and low pressure of the air suction pipe, and then the refrigerant gas at high temperature and high pressure is discharged through the exhaust pipe to provide power for refrigeration circulation;
wherein the constant temperature system of each aquarium is independently operated, taking the first aquarium 18 constant temperature system as an example: when refrigeration is needed, the first three-way valve 21 is connected with two ends of A, B, and the variable frequency compressor 1, the plurality of fixed frequency compressors 2, the oil separator 27, the first condenser 4, the liquid reservoir 28, the one-way valve 5, the first refrigeration expansion valve 6, the first titanium tube heat exchanger 12, the first three-way valve 21 and the gas-liquid separator 26 sequentially form a first refrigeration loop;
when heating is needed, the first three-way valve 21 is connected with the two ends of A, C, the first electromagnetic valve 9 is opened, the variable frequency compressor 1, the plurality of fixed frequency compressors 2, the oil separator 27, the first three-way valve 21, the first titanium tube heat exchanger 12, the first electromagnetic valve 9, the one-way valve 5, the liquid storage 28, the heating expansion valve 24, the second condenser 25 and the gas-liquid separator 26 form a first heating loop, the refrigeration and heating operation loops of each independent fish tank constant temperature system are the same as those of the first fish tank 18 constant temperature system, for example, when the second fish tank 19 constant temperature system is in refrigeration operation, the second three-way valve 22 is connected with the two ends A, B, when in heating operation, the second three-way valve 22 is connected with the two ends A, C, and the second electromagnetic valve 10 is opened; thereby realizing the independent refrigeration and heating constant temperature operation of each constant temperature system of the plurality of fish tanks.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The multi-cylinder aquaculture constant temperature system capable of controlling temperature respectively comprises a variable frequency compressor (1), a plurality of fixed frequency compressors (2), a first condenser (4), a second condenser (25), a gas-liquid separator (26), an oil separator (27) and a pair of liquid reservoirs (28), and is characterized in that the variable frequency compressor (1) is communicated with the fixed frequency compressors (2) in parallel through a parallel compressor oil homogenizing pipe (3), and a refrigerating mechanism for refrigerating and adjusting the fish tank is formed among the variable frequency compressor (1), the fixed frequency compressors (2), the oil separator (27), the first condenser (4), the liquid reservoirs (28) and the gas-liquid separator (26);
a heating mechanism for heating and adjusting the fish tank is formed among the variable frequency compressor (1), the fixed frequency compressors (2), the oil separators (27), the liquid storage device (28), the second condenser (25) and the gas-liquid separator (26).
2. The multi-cylinder aquaculture constant temperature system capable of respectively controlling temperature according to claim 1, wherein the variable frequency compressor (1), the plurality of fixed frequency compressors (2), the first condenser (4), the second condenser (25), the gas-liquid separator (26), the oil separator (27) and the pair of liquid storages (28) are all communicated through a communicating water pipe.
3. The multi-cylinder aquaculture thermostat system with temperature control function according to claim 2, wherein the refrigerating mechanism further comprises:
the first refrigeration expansion valve (6), the first titanium tube heat exchanger (12) and the first three-way valve (21), wherein the first refrigeration expansion valve (6), the first titanium tube heat exchanger (12) and the first three-way valve (21) are sequentially arranged on a communication water tube between the liquid storage device (28) and the gas-liquid separator (26), and the first titanium tube heat exchanger (12) is communicated with the first fish tank (18) through two sections of communication water tubes and the first circulating water pump (15);
the device comprises a plurality of check valves (5), wherein the check valves (5) are respectively arranged on a communicating pipeline between a variable frequency compressor (1) and a plurality of fixed frequency compressors (2), one check valve (5) is arranged on a communicating water pipe between a liquid storage device (28) and a first refrigeration expansion valve (6), and the variable frequency compressor (1), the fixed frequency compressors (2), an oil separator (27), a first condenser (4), the liquid storage device (28), the check valves (5), the first refrigeration expansion valve (6), a first titanium pipe heat exchanger (12), a first three-way valve (21) and a gas-liquid separator (26) sequentially form a first refrigeration loop.
4. A multi-cylinder aquaculture thermostat system with separate temperature control as set forth in claim 3 wherein said heating mechanism further comprises:
the device comprises a first electromagnetic valve (9), wherein the first electromagnetic valve (9) is arranged on a communication water pipe between a first titanium pipe heat exchanger (12) and a liquid reservoir (28), and a first heating loop is sequentially formed among a variable frequency compressor (1), a plurality of fixed frequency compressors (2), an oil separator (27), a first three-way valve (21), the first titanium pipe heat exchanger (12), the first electromagnetic valve (9), a one-way valve (5), the liquid reservoir (28), a heating expansion valve (24), a second condenser (25) and a gas-liquid separator (26).
5. A multi-cylinder aquaculture thermostat system with separate temperature control according to claim 1, characterized in that the number of fixed-frequency compressors (2) is at least one and not more than two.
6. The multi-cylinder aquaculture constant temperature system capable of respectively controlling temperature according to claim 4, wherein a plurality of refrigeration loops are respectively connected in parallel between a liquid reservoir (28) and a gas-liquid separator (26) which are close to the first condenser (4), and a plurality of heating loops are respectively connected in parallel between the oil separator (27) and the liquid reservoir (28).
7. A multi-cylinder aquaculture thermostat system with separate temperature control according to claim 3, characterized in that a water temperature sensor for monitoring the water temperature is provided in the first aquarium (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311549856.XA CN117441668A (en) | 2023-11-20 | 2023-11-20 | Multi-cylinder aquaculture constant temperature system capable of controlling temperature in cold and warm mode respectively |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311549856.XA CN117441668A (en) | 2023-11-20 | 2023-11-20 | Multi-cylinder aquaculture constant temperature system capable of controlling temperature in cold and warm mode respectively |
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| CN117441668A true CN117441668A (en) | 2024-01-26 |
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| CN202311549856.XA Pending CN117441668A (en) | 2023-11-20 | 2023-11-20 | Multi-cylinder aquaculture constant temperature system capable of controlling temperature in cold and warm mode respectively |
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2023
- 2023-11-20 CN CN202311549856.XA patent/CN117441668A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201527053U (en) * | 2009-09-15 | 2010-07-14 | 南京五洲制冷集团有限公司 | Energy-saving type constant-temperature and constant-humidity air conditioning unit |
| CN101813343A (en) * | 2010-04-19 | 2010-08-25 | 广东吉荣空调有限公司 | High-precision constant-temperature and humidity air conditioner operated in wide temperature range |
| CN103706416A (en) * | 2013-12-27 | 2014-04-09 | 天津商业大学 | Thermostatic bath system |
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