CN212667701U - Cold-storage constant-temperature liquid cooling unit - Google Patents
Cold-storage constant-temperature liquid cooling unit Download PDFInfo
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- CN212667701U CN212667701U CN202021692724.4U CN202021692724U CN212667701U CN 212667701 U CN212667701 U CN 212667701U CN 202021692724 U CN202021692724 U CN 202021692724U CN 212667701 U CN212667701 U CN 212667701U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model relates to a cold-storage constant-temperature liquid cooling unit, which comprises a refrigeration system, a cooling system and a constant-temperature cold storage box; the refrigerating system comprises a compressor, a condenser, a water-cooled evaporator and a gas-liquid separator which form a circulation loop; the cooling system comprises a liquid storage tank, a water-cooling heat exchanger and an internal conveying system which form a circulation loop; the water-cooled evaporator and the water-cooled heat exchanger are designed into a whole and are arranged in the constant-temperature cold accumulation box filled with cold accumulation liquid in a staggered mode; the utility model has the advantages of compact and reasonable structure, convenient operation, compressor unit release a large amount of unnecessary cold volume in refrigeration process, absorb unnecessary cold volume back by cold-storage liquid, import the aircraft system with the cold volume that the aircraft needs by the coolant liquid, it is extravagant not to have cold volume to reach energy-conserving high efficiency and the accurate purpose of accuse temperature, satisfy the demand under the liquid cooling situation for the aircraft guarantee, ensure that the liquid cooling temperature is stable controllable, energy saving consumption, flexibility are high, and stability is strong.
Description
Technical Field
The utility model belongs to the technical field of cold-storage air conditioner technique and specifically relates to a cold-storage constant temperature liquid cooling unit.
Background
For military use mission type aircraft, including transport plane, reconnaissance plane, early warning plane, jammer, electronic countermeasure machine, etc., there are personnel to carry out the job tasks such as operation, debugging, etc. in inside, after accumulating and flying for a certain time, need to carry on daily maintenance, regular check and repair, the aircraft is while carrying on the maintenance, or try to fly and debug the work, the aircraft self environmental control system stops working, the ventilation cooling system is closed too, but the aircraft is in the airport open area, receive strong solar radiation and ground reflection summer, cause the greenhouse effect in the cabin, make the temperature in the aircraft unusually high; in winter, the temperature is abnormally low due to the influence of the environmental temperature; when the airplane works, a large amount of advanced automatic electronic control systems in the airplane and electronic equipment elements generate a large amount of heat, and if the heat is not taken away, the temperature of local areas of the airplane, such as an electronic cabin and the like, is higher, the normal work of an avionic system is influenced, and even the flight safety is influenced; meanwhile, the higher internal temperature of the airplane is not convenient for the crew to enter and carry out the crew support work. Therefore, an external air conditioning device is required to perform temperature adjustment in the cabin.
Some special airplanes are additionally provided with high-power electronic equipment, the heat flow density of heating elements is very high, the heat dissipation requirement of the electronic equipment cannot be met by adopting a conventional forced air cooling air conditioning mode, and the limitation of the thermal environment of the electronic equipment can be solved by a fluid cooling system, so that the electronic equipment in a task system is cooled by adopting a fluid cooling refrigeration mode.
Therefore, new requirements are provided for ground support equipment, a liquid cooling system is added, the liquid supply temperature of the liquid cooling system is required to be about 15 ℃, and the temperature required in winter is consistent with that required in summer. In the prior art, an independent airplane ground liquid cooling unit is usually adopted, the liquid cooling demand flow of the unit is different according to different airplane types, a large number of units adopt bypass valves to control the flow, the refrigerating capacity of a compressor system is stable, part of cooled cooling liquid returns to a compressor through a bypass, and part of cooling liquid is heated by an electric heater through a regulator to reach the required temperature and then enters the airplane for circulation, so that the difficulty of a temperature regulating system is quite large, the waste of refrigerating capacity is caused, and the long-term stability of the temperature in the use process can not be ensured.
SUMMERY OF THE UTILITY MODEL
The applicant provides a cold-storage constant-temperature liquid cooling unit with a reasonable structure aiming at the defects in the prior art, thereby solving the technical problems that the difficulty of temperature regulation is high, cold quantity is wasted, and the long-term stability of temperature maintenance cannot be ensured.
The utility model discloses the technical scheme who adopts as follows:
a cold-storage constant-temperature liquid cooling unit comprises a refrigerating system, a cooling system and a constant-temperature cold storage box; the refrigerating system comprises a compressor, a condenser, a water-cooled evaporator and a gas-liquid separator which form a circulation loop; the cooling system comprises a liquid storage tank, a water-cooling heat exchanger and an internal conveying system which form a circulation loop; the water-cooled evaporator and the water-cooled heat exchanger are designed into a whole and are arranged in the constant-temperature cold accumulation box filled with cold accumulation liquid in a staggered mode; the constant temperature cold storage box has the structure that: including the cold-storage box, install in the cold-storage box and hold and put cold heat exchanger, hold and put cold heat exchanger and arrange in and pack in the cold-storage medium of cold-storage box, it is the gilled tube formula heat exchanger to hold to put cold heat exchanger, and its structure includes many internal thread copper pipes, the form of arranging of internal thread copper pipe is: the refrigeration evaporation heat exchange tubes as the water-cooled evaporator and the secondary refrigerant heat exchange tubes as the water-cooled heat exchanger are uniformly distributed at intervals, and a plurality of hydrophilic aluminum foil fins which are uniformly arranged are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube.
As a further improvement of the above technical solution:
the multiple rows of refrigeration evaporation heat exchange tubes are uniformly arranged along the width direction of the cold accumulation box body, and one row of secondary refrigerant heat exchange tubes is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes; each row of refrigeration evaporation heat exchange tubes comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body, each row of secondary refrigerant heat exchange tubes comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body, the multiple rows of refrigeration evaporation heat exchange tubes are connected in parallel, and the multiple rows of secondary refrigerant heat exchange tubes are connected in parallel.
Each row of the refrigeration evaporation heat exchange tubes and the secondary refrigerant heat exchange tubes adjacent to the refrigeration evaporation heat exchange tubes are arranged in a staggered manner in the height direction.
The condenser is characterized by also comprising a main refrigerant water inlet pipe and a main refrigerant water return pipe, wherein one end of the main refrigerant water inlet pipe is connected with a refrigerant outlet of the condenser, the other end of the main refrigerant water inlet pipe is connected with an inlet of each row of refrigeration evaporation heat exchange pipes through a branch pipe connected with the main refrigerant water inlet pipe in parallel, one end of the main refrigerant water return pipe is connected with an inlet of the gas-liquid separator, and the other end of the main refrigerant water return pipe is connected with an outlet of each row of refrigeration evaporation; the system also comprises a secondary refrigerant main water inlet pipe and a secondary refrigerant main water outlet pipe, wherein one end of the secondary refrigerant main water inlet pipe is connected with the outlet of the liquid storage tank through a connecting pipeline, the other end of the secondary refrigerant main water inlet pipe is connected with the inlet of each row of secondary refrigerant heat exchange pipes through a branch pipe connected with the secondary refrigerant main water inlet pipe in parallel, one end of the secondary refrigerant main water outlet pipe is connected with the inlet of the built-in conveying system, and the other end of the secondary refrigerant main water outlet pipe is connected with the outlet of.
The structure of the built-in conveying system is as follows: the system comprises an input pipeline, an airborne system and an output pipeline which are connected in sequence; the inlet of the input pipeline is connected with the outlet of the secondary refrigerant main water outlet pipe, the input pipeline is provided with a pipeline type heater, a flow meter, a sensor, a first hand valve and a one-way valve, the outlet of the output pipeline is connected with the inlet of the liquid storage tank, and the output pipeline is provided with an electromagnetic valve and a second hand valve.
And a bypass pipe is arranged between the output pipeline and the secondary refrigerant main water outlet pipe, and a throttle valve is arranged on the bypass pipe.
And a water pump and a filter are arranged on a connecting pipeline between the main secondary refrigerant inlet pipe and the outlet of the liquid storage tank, and a differential pressure switch is connected in parallel on the filter.
The cold-storage box body is formed by bending and welding stainless steel, the periphery of the cold-storage box body is fully welded with the bottom of the cold-storage box body, the top cover plate can be detached and fixed by fasteners, a liquid discharge valve and a liquid level meter are arranged on the cold-storage box body, and a heat insulation plate is arranged on the outer surface of the cold-storage box body.
The utility model has the advantages as follows:
the utility model has the advantages of compact and reasonable structure, convenient operation, compressor unit release a large amount of unnecessary cold volume in refrigeration process, absorb unnecessary cold volume back by cold-storage liquid, import the aircraft system with the cold volume that the aircraft needs by the coolant liquid, it is extravagant not to have cold volume to reach energy-conserving high efficiency and the accurate purpose of accuse temperature, satisfy the demand under the liquid cooling situation for the aircraft guarantee, ensure that the liquid cooling temperature is stable controllable, energy saving consumption, flexibility are high, and stability is strong.
Drawings
Fig. 1 is a schematic view of the structural principle of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the constant temperature cold storage box of the present invention.
Fig. 3 is a schematic perspective view of the heat exchanger for storing and releasing cold according to the present invention.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a right side view of fig. 3.
Fig. 6 is a schematic view of the structural principle of the conveying system in the machine of the present invention.
Wherein: 1. a condenser; 2. a compressor; 3. a water pump; 4. a liquid storage tank; 5. a constant temperature cold storage box; 6. an output pipe; 7. a bypass pipe; 8. a differential pressure switch; 9. a filter; 10. an airborne system; 11. a second hand valve; 12. an electromagnetic valve; 13. a one-way valve; 14. a gas-liquid separator; 15. a built-in conveying system; 16. a first hand valve; 17. a sensor; 18. a flow meter; 19. a pipe-type heater; 20. a throttle valve; 21. an input pipe; 51. a thermal insulation board; 52. a cold accumulation box body; 53. a main refrigerant return pipe; 54. a main refrigerant inlet pipe; 55. a secondary refrigerant main water outlet pipe; 56. a main water inlet pipe of secondary refrigerant; 57. a cold heat exchanger for heat storage and release; 58. a liquid level meter; 571. a refrigeration evaporation heat exchange pipe; 572. a secondary refrigerant heat exchange tube; 573. hydrophilic aluminum foil fins.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 5, the cold and constant temperature liquid cooling unit of the present embodiment includes a refrigeration system, a cooling system and a constant temperature cold storage box 5; the refrigerating system comprises a compressor 2, a condenser 1, a water-cooled evaporator and a gas-liquid separator 14 which form a circulation loop; the cooling system comprises a liquid storage tank 4, a water-cooling heat exchanger and an internal conveying system 15 which form a circulation loop; the water-cooled evaporator and the water-cooled heat exchanger are designed into a whole and are arranged in a staggered manner in the constant-temperature cold storage box 5 filled with cold storage liquid; the constant temperature cold storage box 5 has the structure that: including cold-storage box 52, install in the cold-storage box 52 and hold and put cold heat exchanger 57, hold and put cold heat exchanger 57 and arrange in the cold-storage medium of filling in cold-storage box 52, hold and put cold heat exchanger 57 and be the tube sheet heat exchanger, its structure includes multiunit internal thread copper pipe, and the form of arranging of internal thread copper pipe is: the refrigeration evaporation heat exchange tubes 571 used as water-cooling evaporators and the secondary refrigerant heat exchange tubes 572 used as water-cooling heat exchangers are uniformly arranged at intervals, and a plurality of hydrophilic aluminum foil fins 573 which are uniformly arranged are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube.
The multiple rows of refrigeration evaporation heat exchange tubes 571 are uniformly arranged along the width direction of the cold accumulation box body 52, and a row of secondary refrigerant heat exchange tubes 572 is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes 571; each row of the refrigeration evaporation heat exchange tubes 571 comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body 52, each row of the secondary refrigerant heat exchange tubes 572 comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body 52, the multiple rows of the refrigeration evaporation heat exchange tubes 571 are connected in parallel, and the multiple rows of the secondary refrigerant heat exchange tubes 572 are connected in parallel.
Each row of the refrigeration and evaporation heat exchange tubes 571 and the secondary refrigerant heat exchange tubes 572 adjacent to the refrigeration and evaporation heat exchange tubes are arranged in a staggered manner in the height direction.
The condenser also comprises a main refrigerant water inlet pipe 54 and a main refrigerant water return pipe 53, wherein one end of the main refrigerant water inlet pipe 54 is connected with a refrigerant outlet of the condenser 1, the other end of the main refrigerant water inlet pipe is connected with an inlet of each row of refrigeration evaporation heat exchange tubes 571 through a branch pipe connected with the main refrigerant water inlet pipe in parallel, one end of the main refrigerant water return pipe 53 is connected with an inlet of the gas-liquid separator 14, and the other end of the main refrigerant water return pipe is connected with an outlet of each row of refrigeration evaporation heat exchange tubes 571; the system also comprises a main secondary refrigerant water inlet pipe 56 and a main secondary refrigerant water outlet pipe 55, wherein one end of the main secondary refrigerant water inlet pipe 56 is connected with the outlet of the liquid storage tank 4 through a connecting pipeline, the other end of the main secondary refrigerant water inlet pipe 56 is connected with the inlet of each row of secondary refrigerant heat exchange tubes 572 through a branch pipe connected with the main secondary refrigerant water inlet pipe in parallel, one end of the main secondary refrigerant water outlet pipe 55 is connected with the inlet of the built-in conveying system 15, and the other end of the main secondary refrigerant water outlet pipe 55 is connected with the outlet.
As shown in fig. 6, the structure of the built-in conveying system 15 is: the system comprises an input pipeline 21, an airborne system 10 and an output pipeline 6 which are connected in sequence; an inlet of the input pipeline 21 is connected with an outlet of the secondary refrigerant main water outlet pipe 55, the input pipeline 21 is provided with a pipeline type heater 19, a flow meter 18, a sensor 17, a first hand valve 16 and a one-way valve 13, an outlet of the output pipeline 6 is connected with an inlet of the liquid storage tank 4, and the output pipeline 6 is provided with an electromagnetic valve 12 and a second hand valve 11.
A bypass pipe 7 is arranged between the output pipeline 6 and the secondary refrigerant main water outlet pipe 55, and a throttle valve 20 is arranged on the bypass pipe 7.
A water pump 3 and a filter 9 are arranged on a connecting pipeline between the main secondary refrigerant inlet pipe 56 and the outlet of the liquid storage tank 4, and a differential pressure switch 8 is connected in parallel on the filter 9.
The cold accumulation box body 52 is formed by bending and welding stainless steel, the periphery of the cold accumulation box body is fully welded with the bottom of the cold accumulation box body, the top cover plate can be detached and fixed by a fastener, a liquid discharge valve and a liquid level meter 58 are arranged on the cold accumulation box body 52, and a heat insulation plate 51 is arranged on the outer surface of the cold accumulation box body 52.
The utility model discloses a theory of operation:
the utility model discloses the unit adopts one set of compressor unit to provide cold volume source, adopts three passageway cold-storage thermostated container to carry out constant temperature, utilizes in 5 one of them passageways of three passageway cold-storage thermostated container (refrigeration evaporation heat exchange tube 571) medium to be the refrigerant, and second passageway (secondary refrigerant heat exchange tube 572) medium is coolant liquid (secondary refrigerant), and the third passageway can be for fixed container (cold-storage box), and internal medium is cold-storage liquid, and what store in the liquid reserve tank 4 is supplementary with secondary refrigerant (coolant liquid).
The cold storage liquid carries out cold quantity collection and release through phase state change, the phase change temperature state point is adjustable, heat is mutually transferred through the three masses, and the output temperature of the cooling liquid can be controlled.
The compressor unit releases a large amount of cold energy in the refrigeration process, and after the cold accumulation liquid absorbs the redundant cold energy, the cold energy required by the airplane is input into the airplane system through the cooling liquid, so that no cold energy is wasted, and the aims of saving energy, high efficiency and accurate temperature control are fulfilled.
When the unit operates, the refrigerating system and the cooling liquid system work simultaneously, a water-cooling evaporator (refrigerating evaporation heat exchange tube 571) of the refrigerating system and a water-cooling heat exchanger (refrigerating evaporation heat exchange tube 571) of the cooling liquid system are designed into a whole, the refrigerating system and the water-cooling heat exchanger (refrigerating evaporation heat exchange tube 571) are arranged in a cold accumulation thermostat 5 filled with cold accumulation liquid in a staggered mode, heat exchange is carried out through the cold accumulation liquid, redundant cold is absorbed by the cold accumulation liquid, and stable constant-temperature cooling liquid is output to the interior of the airplane.
After the cold energy of the cold storage box is fully stored, the compressor unit automatically stops, the cooling system continues to operate, the cold storage box starts to release the cold energy, and the compressor unit is restarted for refrigeration until the cold energy is released, and the refrigeration is continuously circulated.
The pipe heater in the cooling system is mainly used for heating under the condition of low ambient temperature.
In specific implementation, the refrigeration system comprises a compressor, a condenser, a water-cooled evaporator, a gas-liquid separator, a dry filter, an expansion valve, a system pipeline and the like besides main components, and mainly provides refrigerating capacity for a unit; the cooling system comprises a liquid storage tank, a water pump, a fluid filter, a water-cooling heat exchanger, a heater, a throttle valve, a flowmeter, a valve, a system pipeline and the like, and is mainly used for cooling electronic components in the airplane by utilizing the heat transfer of cooling liquid; the control system is further included: the intelligent control system comprises a circuit breaker, a contactor, a central controller, a relay, a power line and the like, and is mainly used for controlling the starting and the regulation of all main components.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (8)
1. The utility model provides a cold-storage constant temperature liquid cooling unit which characterized in that: comprises a refrigeration system, a cooling system and a constant temperature cold storage box (5); the refrigeration system comprises a compressor (2), a condenser (1), a water-cooled evaporator and a gas-liquid separator (14) which form a circulation loop; the cooling system comprises a liquid storage tank (4) forming a circulation loop, a water-cooling heat exchanger and a built-in conveying system (15); the water-cooled evaporator and the water-cooled heat exchanger are designed into a whole and are arranged in the constant-temperature cold storage box (5) filled with cold storage liquid in a staggered manner;
the structure of the constant temperature cold storage box (5) is as follows: including cold-storage box (52), install in cold-storage box (52) and hold and put cold heat exchanger (57), hold and put cold heat exchanger (57) and arrange in the cold-storage medium of filling in cold-storage box (52), hold and put cold heat exchanger (57) and be the tube sheet formula heat exchanger, its structure includes many internal thread copper pipes, the form of arranging of internal thread copper pipe is: the refrigeration evaporation heat exchange tubes (571) used as the water-cooling evaporator and the secondary refrigerant heat exchange tubes (572) used as the water-cooling heat exchanger are uniformly distributed at intervals, and a plurality of hydrophilic aluminum foil fins (573) which are uniformly distributed are sleeved on the internal thread copper tube along the length direction of the internal thread copper tube.
2. The cold-storage constant-temperature liquid cooling unit as set forth in claim 1, wherein: the multiple rows of refrigeration evaporation heat exchange tubes (571) are uniformly arranged along the width direction of the cold accumulation box body (52), and a row of secondary refrigerant heat exchange tubes (572) is arranged between every two adjacent rows of refrigeration evaporation heat exchange tubes (571); each row of refrigeration evaporation heat exchange tubes (571) comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body (52), each row of secondary refrigerant heat exchange tubes (572) comprises a tube which is bent in an S-shaped reciprocating manner along the height direction of the cold accumulation box body (52), a plurality of rows of refrigeration evaporation heat exchange tubes (571) are connected in parallel, and a plurality of rows of secondary refrigerant heat exchange tubes (572) are connected in parallel.
3. The cold-storage constant-temperature liquid cooling unit as set forth in claim 2, wherein: each row of the refrigeration evaporation heat exchange tubes (571) and the secondary refrigerant heat exchange tubes (572) adjacent to the refrigeration evaporation heat exchange tubes are arranged in a staggered way in the height direction.
4. The cold-storage constant-temperature liquid cooling unit as set forth in claim 2, wherein: the condenser is characterized by further comprising a main refrigerant water inlet pipe (54) and a main refrigerant water return pipe (53), wherein one end of the main refrigerant water inlet pipe (54) is connected with a refrigerant outlet of the condenser (1), the other end of the main refrigerant water inlet pipe is connected with an inlet of each row of refrigeration evaporation heat exchange pipes (571) through a branch pipe connected with the main refrigerant water inlet pipe in parallel, one end of the main refrigerant water return pipe (53) is connected with an inlet of the gas-liquid separator (14), and the other end of the main refrigerant water return pipe is connected with an outlet of each row of refrigeration evaporation heat exchange pipes (571; the system also comprises a secondary refrigerant main water inlet pipe (56) and a secondary refrigerant main water outlet pipe (55), one end of the secondary refrigerant main water inlet pipe (56) is connected with the outlet of the liquid storage tank (4) through a connecting pipeline, the other end of the secondary refrigerant main water inlet pipe is connected with the inlet of each row of secondary refrigerant heat exchange tubes (572) through branch pipes connected with the secondary refrigerant main water inlet pipe in parallel, one end of the secondary refrigerant main water outlet pipe (55) is connected with the inlet of the built-in conveying system (15), and the other end of the secondary refrigerant main water outlet pipe is connected with the outlet of each row of secondary refrigerant heat.
5. The cold-storage constant-temperature liquid cooling unit as set forth in claim 4, wherein: the structure of the built-in conveying system (15) is as follows: comprises an input pipeline (21), an airborne system (10) and an output pipeline (6) which are connected in sequence; an inlet of an input pipeline (21) is connected with an outlet of a secondary refrigerant main water outlet pipe (55), a pipeline type heater (19), a flow meter (18), a sensor (17), a first hand valve (16) and a one-way valve (13) are arranged on the input pipeline (21), an outlet of an output pipeline (6) is connected with an inlet of a liquid storage box (4), and an electromagnetic valve (12) and a second hand valve (11) are arranged on the output pipeline (6).
6. The cold-storage constant-temperature liquid cooling unit as set forth in claim 5, wherein: a bypass pipe (7) is arranged between the output pipeline (6) and the secondary refrigerant main water outlet pipe (55), and a throttle valve (20) is arranged on the bypass pipe (7).
7. The cold-storage constant-temperature liquid cooling unit as set forth in claim 4, wherein: a water pump (3) and a filter (9) are arranged on a connecting pipeline between the secondary refrigerant main water inlet pipe (56) and the outlet of the liquid storage tank (4), and a differential pressure switch (8) is connected in parallel on the filter (9).
8. The cold-storage constant-temperature liquid cooling unit as set forth in claim 1, wherein: the cold-storage box body (52) is formed by bending and welding stainless steel, the periphery of the cold-storage box body is fully welded with the bottom of the cold-storage box body, the top cover plate can be detached and fixed by a fastener, a liquid discharge valve and a liquid level meter (58) are arranged on the cold-storage box body (52), and a heat insulation plate (51) is arranged on the outer surface of the cold-storage box body (52).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021692724.4U CN212667701U (en) | 2020-08-13 | 2020-08-13 | Cold-storage constant-temperature liquid cooling unit |
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| CN202021692724.4U CN212667701U (en) | 2020-08-13 | 2020-08-13 | Cold-storage constant-temperature liquid cooling unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115962587A (en) * | 2023-03-16 | 2023-04-14 | 安徽普泛能源技术有限公司 | Evaporator assembly for increasing circulation volume of secondary refrigerant and refrigeration cycle system thereof |
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2020
- 2020-08-13 CN CN202021692724.4U patent/CN212667701U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115962587A (en) * | 2023-03-16 | 2023-04-14 | 安徽普泛能源技术有限公司 | Evaporator assembly for increasing circulation volume of secondary refrigerant and refrigeration cycle system thereof |
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