CN219756709U - Refrigerating system and air conditioner - Google Patents
Refrigerating system and air conditioner Download PDFInfo
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- CN219756709U CN219756709U CN202321056861.2U CN202321056861U CN219756709U CN 219756709 U CN219756709 U CN 219756709U CN 202321056861 U CN202321056861 U CN 202321056861U CN 219756709 U CN219756709 U CN 219756709U
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- pipeline
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- cooling
- condenser
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- 238000001816 cooling Methods 0.000 claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000005057 refrigeration Methods 0.000 claims abstract description 41
- 239000003507 refrigerant Substances 0.000 claims description 51
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to the technical field of refrigeration, and provides a refrigeration system and an air conditioner. The refrigeration system includes: the device comprises a heat exchanger, a condenser, a cooling pipeline and a liquid return pipeline, wherein the cooling pipeline comprises a first cooling pipeline and a second cooling pipeline which can be switched, and a compressor is arranged on the first cooling pipeline; under the condition that the ambient temperature is greater than or equal to a preset value, the heat exchanger is communicated with the condenser through a first cooling pipeline, the condenser is communicated with a liquid return pipeline through the first cooling pipeline, and the liquid return pipeline is communicated with an inlet of the heat exchanger; and under the condition that the ambient temperature is less than a preset value, the heat exchanger is communicated with the condenser through a second cooling pipeline, the condenser is communicated with a liquid return pipeline through a second cooling pipeline, and the liquid return pipeline is communicated with the heat exchanger. According to the refrigerating system, the compressor participates in working when the ambient temperature is high, so that the refrigerating effect is ensured; when the ambient temperature is lower, the compressor stops working, so that the electric energy consumed by the operation of the compressor is saved, and the operation cost is reduced.
Description
Technical Field
The present utility model relates to the field of refrigeration technologies, and in particular, to a refrigeration system and an air conditioner.
Background
In the fields of data centers or industrial refrigeration, the electronic equipment has high density and large internal heating value, and the air conditioner is required to perform uninterrupted refrigeration all the year round in order to ensure the normal operation of the equipment. Under the conditions of low temperature and rich natural cold source in winter, the compressor is still started to refrigerate, so that the electric energy is wasted, and the running cost of the air conditioner is increased.
Disclosure of Invention
The utility model provides a refrigerating system and an air conditioning device, which are used for solving the defect that in the prior art, when the environment temperature of the refrigerating system is low, a compressor is still started to cool and waste electric energy is generated.
The present utility model provides a refrigeration system comprising: the cooling pipeline comprises a switchable first cooling pipeline and a switchable second cooling pipeline, and a compressor is arranged on the first cooling pipeline; under the condition that the ambient temperature is greater than or equal to a preset value, the first cooling pipeline is communicated, the outlet of the heat exchanger is communicated with the inlet of the condenser through the first cooling pipeline, the outlet of the condenser is communicated with the liquid return pipeline through the first cooling pipeline, and the liquid return pipeline is communicated with the inlet of the heat exchanger; and under the condition that the ambient temperature is less than the preset value, the second cooling pipeline is communicated, the outlet of the heat exchanger is communicated with the inlet of the condenser through the second cooling pipeline, the outlet of the condenser is communicated with the liquid return pipeline through the second cooling pipeline, and the liquid return pipeline is communicated with the inlet of the heat exchanger.
According to the present utility model, there is provided a refrigeration system, the first cooling line including: the first pipeline is provided with a first valve, and the first end of the first pipeline is communicated with the outlet of the heat exchanger; the second end of the first pipeline is communicated with the first container, and the first container is communicated with the inlet of the heat exchanger through the liquid return pipeline; and two ends of the second pipeline are respectively communicated with the first container and the inlet of the condenser, and the second pipeline is provided with the compressor and the second valve.
According to the present utility model, there is provided a refrigeration system, the first cooling line further comprising: the first end of the third pipeline is communicated with the outlet of the condenser, and a third valve is arranged on the third pipeline; a second container in communication with a second end of the third conduit; the two ends of the fourth pipeline are respectively communicated with the second container and the first container; and the throttle valve is arranged on the fourth pipeline.
According to the present utility model, there is provided a refrigeration system, the second cooling line including: and the two ends of the fifth pipeline are respectively communicated with the first pipeline and the second pipeline, and a fourth valve is arranged on the fifth pipeline.
According to the present utility model, there is provided a refrigeration system, the second cooling line further comprising: a sixth pipeline, two ends of which are respectively communicated with the outlet of the condenser and the first container; and the fifth valve is arranged on the sixth pipeline.
According to the present utility model, there is provided a refrigeration system, the liquid return line comprising: and the two ends of the seventh pipeline are respectively communicated with the first container and the inlet of the heat exchanger, wherein the first container is positioned above the heat exchanger.
According to the present utility model, there is provided a refrigeration system, the liquid return line comprising: a seventh pipe, two ends of which are respectively communicated with the inlets of the first container and the heat exchanger; and a pump provided in the seventh pipe.
According to the refrigeration system provided by the utility model, the refrigeration system further comprises a sixth valve arranged on the seventh pipeline.
According to the refrigeration system provided by the utility model, the number of the heat exchangers is multiple, the heat exchangers are connected in parallel, the outlet of each heat exchanger is communicated with the inlet of the condenser through the cooling pipeline, and the inlet of each heat exchanger is communicated with the liquid return pipeline.
The utility model also provides an air conditioner comprising the refrigerating system.
According to the refrigeration system provided by the utility model, the first cooling pipeline and the second cooling pipeline are arranged, so that when the ambient temperature is higher, the first cooling pipeline is conducted, the compressor participates in working, and the refrigeration effect is ensured; when the ambient temperature is lower, the second cooling pipeline is communicated, the compressor stops working, the electric energy consumed by the compressor in operation is saved, and the operation cost of the refrigerating system is reduced.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a refrigeration system according to the present utility model;
reference numerals:
10: a heat exchanger; 20: a condenser; 30: a first container; 40: a first pipe; 41: a first valve; 42: a second pipe; 43: a compressor; 44: a second valve; 45: a third conduit; 46: a third valve; 47: a second container; 48: a fourth conduit; 49: a throttle valve; 50: a fifth pipe; 51: a fourth valve; 52: a sixth conduit; 53: a fifth valve; 60: a seventh pipe; 61: a pump; 62: and a sixth valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The refrigerating system and the air conditioning apparatus of the present utility model will be described with reference to fig. 1.
As shown in fig. 1, a refrigeration system provided in an embodiment of the present utility model includes: the heat exchanger 10, the condenser 20, the cooling pipeline and the liquid return pipeline, the cooling pipeline comprises a first cooling pipeline and a second cooling pipeline which can be switched, and the first cooling pipeline is provided with a compressor 43. Wherein, when the ambient temperature is greater than or equal to the preset value, the first cooling pipeline is conducted, the outlet of the heat exchanger 10 is communicated with the inlet of the condenser 20 through the first cooling pipeline, the outlet of the condenser 20 is communicated with the liquid return pipeline through the first cooling pipeline, and the liquid return pipeline is communicated with the inlet of the heat exchanger 10; under the condition that the ambient temperature is less than a preset value, the second cooling pipeline is communicated, the outlet of the heat exchanger 10 is communicated with the inlet of the condenser 20 through the second cooling pipeline, the outlet of the condenser 20 is communicated with the liquid return pipeline through the second cooling pipeline, and the liquid return pipeline is communicated with the inlet of the heat exchanger 10.
Specifically, when the ambient temperature is higher, the first cooling pipeline is conducted, the heat exchanger 10, the condenser 20, the liquid return pipeline and the first cooling pipeline form a first refrigeration cycle, the refrigerant in the heat exchanger 10 absorbs heat and evaporates to become a gas refrigerant, the gas refrigerant is compressed into high-pressure gas by the compressor 43 when passing through the first cooling pipeline and then enters the condenser 20, the gas refrigerant is thermally released and condensed into a liquid refrigerant in the condenser 20, and the liquid refrigerant is depressurized by the first cooling pipeline and then enters the heat exchanger 10 through the liquid return pipeline, so that one refrigeration cycle is completed.
When the ambient temperature is low, the second cooling pipeline is conducted, and the heat exchanger 10, the condenser 20, the liquid return pipeline and the second cooling pipeline form a second refrigeration cycle. The refrigerant in the heat exchanger 10 absorbs heat and evaporates to become a gas refrigerant, the gas refrigerant enters the condenser 20 through the second cooling pipeline, the gas refrigerant is thermally released and condensed into a liquid refrigerant in the condenser 20, and the liquid refrigerant enters the heat exchanger 10 through the liquid return pipeline after passing through the second cooling pipeline, so that one refrigeration cycle is completed.
In the above-described embodiment, when the ambient temperature is high, the refrigerant flows along the first cooling line, and the compressor 43 is started, completing the refrigeration cycle; when the ambient temperature is low, the refrigerant flows along the second cooling line, and the compressor 43 stops operating, thereby completing the natural refrigeration cycle. When the refrigerant flows along the second cooling pipeline, the compressor 43 is stopped, so that the electric energy consumed by the operation of the compressor 43 is saved, and the operation cost of the refrigerating system is reduced.
It should be noted that: the preset value is different according to different environments of the refrigeration system, and can be specifically set according to the climate conditions of the region of the refrigeration system, the temperature of a data center machine room, the configuration of a heat exchanger, the specific requirements of a customer and the like.
Alternatively, in the embodiment of the present utility model, the compressor 43 is an oil-free variable frequency high efficiency compressor, and may specifically be in the form of magnetic suspension, air suspension, ball ceramic bearings, or the like.
According to the refrigerating system provided by the embodiment of the utility model, the first cooling pipeline and the second cooling pipeline are arranged, so that the first cooling pipeline is communicated and conducted when the ambient temperature is higher, and the compressor participates in working, so that the refrigerating effect is ensured; when the ambient temperature is lower, the second cooling pipeline is communicated, the compressor stops working, the electric energy consumed by the compressor in operation is saved, and the operation cost of the refrigerating system is reduced.
As shown in fig. 1, in an embodiment of the present utility model, the first cooling line includes: a first conduit 40, a first valve 41, a first container 30, a second conduit 42 and a second valve 44. The first pipe 40 is provided with a first valve 41, two ends of the first pipe 40 are respectively communicated with the outlet of the heat exchanger 10 and the first container 30, two ends of the second pipe 42 are respectively communicated with the first container 30 and the inlet of the condenser 20, and the second pipe 42 is provided with a compressor 43 and a second valve 44.
Specifically, the refrigerant in the heat exchanger 10 absorbs heat and evaporates to become a gas refrigerant, the gas refrigerant enters the first container 30 after passing through the first pipeline 40 and the first valve 41, the gas refrigerant in the first container 30 is compressed into high-pressure gas under the action of the compressor 43, and the high-pressure gas refrigerant enters the condenser 20 after passing through the second pipeline 42 and the second valve 44 to exchange heat with the external environment.
Further, in an embodiment of the present utility model, the first cooling line further includes: a third conduit 45, a third valve 46, a second container 47, a fourth conduit 48 and a throttle valve 49. A first end of the third conduit 45 communicates with the outlet of the condenser 20, and a third valve 46 is provided on the third conduit 45. The second container 47 communicates with the second end of the third pipe 45, both ends of the fourth pipe 48 communicate with the second container 47 and the first container 30, respectively, and a throttle valve 49 is provided in the fourth pipe 48.
Specifically, the high-pressure gas refrigerant is discharged and condensed into a liquid refrigerant in the condenser 20, the liquid refrigerant enters the second container 47 after passing through the third pipeline 45 and the third valve 46, the high-pressure liquid refrigerant enters the first container 30 after passing through the fourth pipeline 48 and being depressurized through the throttle valve 49, and then enters the heat exchanger 10 through the liquid return pipeline, so that one refrigeration cycle is completed.
As shown in fig. 1, in an embodiment of the present utility model, the second cooling line includes: a fifth conduit 50 and a fourth valve 51. Both ends of the fifth pipe 50 are respectively communicated with the first pipe 40 and the second pipe 42, and a fourth valve 51 is arranged on the fifth pipe 50.
Specifically, when the ambient temperature is low, the first cooling line is turned off, the second cooling line is turned on, and the heat exchanger 10, the condenser 20, the liquid return line, and the second cooling line constitute a second refrigeration cycle. Specifically, the first valve 41 on the first pipe 40 and the second valve 44 on the second pipe 42 are closed, the fourth valve 51 on the fifth pipe 50 is opened, the refrigerant in the heat exchanger 10 absorbs heat and evaporates to become a gas refrigerant, the gas refrigerant passes through the first pipe 40, the fifth pipe 50 and the fourth valve 51 and then enters the second pipe 42, and the gas refrigerant enters the condenser 20 from the second pipe 42 to exchange heat with the external environment.
Further, the second cooling circuit further includes: a sixth conduit 52 and a fifth valve 53. Both ends of the sixth pipe 52 are respectively communicated with the outlet of the condenser 20 and the first container 30, and a fifth valve 53 is provided to the sixth pipe 52.
Specifically, the gas refrigerant is thermally discharged and condensed into a liquid refrigerant in the condenser 20, at this time, the third valve 46 on the third pipe 45 is closed, the liquid refrigerant enters the first container 30 through the sixth pipe 52 and the fifth valve 53, and then enters the heat exchanger 10 through the liquid return pipe, so as to complete the natural cooling cycle.
In one embodiment of the utility model, as shown in fig. 1, the return line includes a seventh conduit 60. The seventh pipe 60 has both ends communicating with the first container 30 and the inlet of the heat exchanger 10, respectively, wherein the first container 30 is located above the heat exchanger 10.
Specifically, in the present embodiment, the seventh pipe 60 is a gravity liquid return pipe, the first container 30 is located above the heat exchanger 10, and has a certain height difference therebetween, and the liquid refrigerant in the first container 30 enters the heat exchanger 10 through the seventh pipe 60 under the action of gravity.
Optionally, in another embodiment of the present utility model, the liquid return line includes: a seventh conduit 60 and a pump 61. The seventh pipe 60 has both ends respectively connected to the inlets of the first container 30 and the heat exchanger 10, and a pump 61 is provided to the seventh pipe 60.
Specifically, in the present embodiment, there may be no difference in height between the first container 30 and the heat exchanger 10, and the liquid refrigerant in the first container 30 is pumped into the heat exchanger 10 by the pump 61.
Further, in the embodiment of the present utility model, the liquid return line further includes a sixth valve 62, and the sixth valve 62 is disposed in the seventh pipe 60. Specifically, the sixth valve 62 is used for regulating and controlling the flow of the liquid refrigerant entering the heat exchanger 10, and the valve core opening of the sixth valve 62 can be regulated according to the cooling capacity requirement of the heat exchanger 10, so as to realize accurate liquid supply.
As shown in fig. 1, in the embodiment of the present utility model, the number of heat exchangers 10 is plural, the plural heat exchangers 10 are connected in parallel, the outlet of each heat exchanger 10 is communicated with the inlet of the condenser 20 through a cooling pipe, and the inlet of each heat exchanger 10 is communicated with a liquid return pipe.
Specifically, the heat exchangers 10 are connected in parallel, the outlet of each heat exchanger 10 is communicated with the first pipeline 40, when the ambient temperature is higher, the fourth valve 51 and the fifth valve 53 are closed, the first valve 41, the second valve 44 and the third valve 46 are opened, the refrigerant in the heat exchanger 10 absorbs heat and evaporates to become a gas refrigerant, the gas refrigerant enters the first container 30 after passing through the first pipeline 40 and the first valve 41, the gas refrigerant in the first container 30 is compressed into high-pressure gas under the action of the compressor 43, and the high-pressure gas refrigerant enters the condenser 20 after passing through the second pipeline 42 and the second valve 44 to be subjected to heat release and condensation to become a high-pressure liquid refrigerant. The liquid refrigerant enters the second container 47 after passing through the third pipeline 45 and the third valve 46, and the high-pressure liquid refrigerant enters the first container 30 after passing through the fourth pipeline 48 and being depressurized through the throttle valve 49, and then enters each heat exchanger 10 through the seventh pipeline 60.
At low ambient temperatures, the fourth and fifth valves 51, 53 are open and the first, second and third valves 41, 44, 46 are closed. The refrigerant in the heat exchanger 10 absorbs heat and evaporates to become a gas refrigerant, the gas refrigerant enters the second pipeline 42 after passing through the first pipeline 40, the fifth pipeline 50 and the fourth valve 51, the gas refrigerant enters the condenser 20 from the second pipeline 42 to be radiated and condensed into a liquid refrigerant, the liquid refrigerant enters the first container 30 after passing through the sixth pipeline 52 and the fifth valve 53, and then enters each heat exchanger 10 through the seventh pipeline 60.
The embodiment of the utility model also provides an air conditioner which comprises a refrigerating system.
Specifically, the air conditioner includes an outdoor unit and an indoor unit, the heat exchanger 10 of the refrigeration system is provided in the indoor unit, and the condenser 20 is provided in the outdoor unit. The liquid refrigerant in the heat exchanger 10 absorbs heat in the indoor environment, reduces the indoor temperature, evaporates to form a gas refrigerant, condenses in the condenser 20 to release heat, and releases the heat to the external environment. In this embodiment, when the number of the heat exchangers 10 is plural, the plural heat exchangers 10 are connected in parallel, which breaks the one-to-one system mode of the conventional fluorine system and greatly reduces the installation space.
According to the air conditioner provided by the embodiment of the utility model, when the ambient temperature is low, the compressor is stopped; when the ambient temperature is higher, the compressor operates in a variable frequency mode and is adjusted along with the change of load, so that the energy consumption of the air conditioner during operation is reduced; the pump is arranged in the liquid return pipeline, so that the installation heights of the indoor unit and the outdoor unit are not limited, and when the installation heights of the indoor unit and the outdoor unit are different, the gravity liquid return pipeline can be started, liquid return is realized by utilizing gravity, and the energy consumption of the pump is reduced; meanwhile, the heat exchangers are connected in parallel, so that a one-to-one system mode of the traditional fluorine system is broken, and the installation space can be greatly reduced; the liquid return pipeline is provided with a sixth valve, the liquid supply quantity can be automatically adjusted according to the cold quantity requirement of the heat exchangers, and the pressure among the plurality of heat exchangers is self-balanced, so that accurate liquid supply according to the requirement is realized; in addition, compared with the air-cooled direct expansion air-conditioning device, the air-conditioning device provided by the embodiment of the utility model has the advantages that the evaporation temperature is increased, the operation of the compressor is more energy-saving, the oil-free variable-frequency high-efficiency compressor is adopted, the influence of an oil film on the heat exchange performance is avoided, and the operation of the air-conditioning device is more efficient.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A refrigeration system, comprising: the cooling pipeline comprises a switchable first cooling pipeline and a switchable second cooling pipeline, and a compressor is arranged on the first cooling pipeline;
under the condition that the ambient temperature is greater than or equal to a preset value, the first cooling pipeline is communicated, the outlet of the heat exchanger is communicated with the inlet of the condenser through the first cooling pipeline, the outlet of the condenser is communicated with the liquid return pipeline through the first cooling pipeline, and the liquid return pipeline is communicated with the inlet of the heat exchanger;
and under the condition that the ambient temperature is less than the preset value, the second cooling pipeline is communicated, the outlet of the heat exchanger is communicated with the inlet of the condenser through the second cooling pipeline, the outlet of the condenser is communicated with the liquid return pipeline through the second cooling pipeline, and the liquid return pipeline is communicated with the inlet of the heat exchanger.
2. The refrigeration system of claim 1, wherein the first cooling circuit comprises:
the first pipeline is provided with a first valve, and the first end of the first pipeline is communicated with the outlet of the heat exchanger;
the second end of the first pipeline is communicated with the first container, and the first container is communicated with the inlet of the heat exchanger through the liquid return pipeline;
and two ends of the second pipeline are respectively communicated with the first container and the inlet of the condenser, and the second pipeline is provided with the compressor and the second valve.
3. The refrigeration system of claim 2, wherein the first cooling circuit further comprises:
the first end of the third pipeline is communicated with the outlet of the condenser, and a third valve is arranged on the third pipeline;
a second container in communication with a second end of the third conduit;
the two ends of the fourth pipeline are respectively communicated with the second container and the first container;
and the throttle valve is arranged on the fourth pipeline.
4. The refrigeration system of claim 2, wherein the second cooling circuit comprises:
and the two ends of the fifth pipeline are respectively communicated with the first pipeline and the second pipeline, and a fourth valve is arranged on the fifth pipeline.
5. The refrigeration system of claim 4 wherein said second cooling circuit further comprises:
a sixth pipeline, two ends of which are respectively communicated with the outlet of the condenser and the first container;
and the fifth valve is arranged on the sixth pipeline.
6. The refrigeration system of claim 2 wherein said return line comprises:
and the two ends of the seventh pipeline are respectively communicated with the first container and the inlet of the heat exchanger, wherein the first container is positioned above the heat exchanger.
7. The refrigeration system of claim 2 wherein said return line comprises:
a seventh pipe, two ends of which are respectively communicated with the inlets of the first container and the heat exchanger;
and a pump provided in the seventh pipe.
8. The refrigeration system of claim 6 or 7, further comprising a sixth valve disposed in the seventh conduit.
9. The refrigerant system as set forth in claim 1, wherein said number of heat exchangers is plural, a plurality of said heat exchangers being connected in parallel, an outlet of each of said heat exchangers being in communication with an inlet of said condenser through said cooling line, an inlet of each of said heat exchangers being in communication with said return line.
10. An air conditioning apparatus comprising the refrigeration system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056861.2U CN219756709U (en) | 2023-05-05 | 2023-05-05 | Refrigerating system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056861.2U CN219756709U (en) | 2023-05-05 | 2023-05-05 | Refrigerating system and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219756709U true CN219756709U (en) | 2023-09-26 |
Family
ID=88074896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056861.2U Active CN219756709U (en) | 2023-05-05 | 2023-05-05 | Refrigerating system and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219756709U (en) |
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2023
- 2023-05-05 CN CN202321056861.2U patent/CN219756709U/en active Active
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