CN208779607U - air conditioning system - Google Patents
air conditioning system Download PDFInfo
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- CN208779607U CN208779607U CN201821270579.3U CN201821270579U CN208779607U CN 208779607 U CN208779607 U CN 208779607U CN 201821270579 U CN201821270579 U CN 201821270579U CN 208779607 U CN208779607 U CN 208779607U
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- compressor
- pipeline
- conditioning system
- gas
- air
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 238000001704 evaporation Methods 0.000 claims description 30
- 230000008020 evaporation Effects 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 44
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000012071 phase Substances 0.000 description 9
- 239000002826 coolant Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000006837 decompression Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present application provides an air conditioning system. The air conditioning system includes a compressor, a condenser, an evaporator, a gas-liquid separator, and an ejector. The output port of the ejector is connected with the input port of the gas-liquid separator through a third pipeline, the liquid discharge port of the gas-liquid separator is connected with the evaporator through a fourth pipeline, and the evaporator is connected with the second inlet of the ejector through a fifth pipeline. When the air conditioning system is used, the ejector utilizes the expansion work of the refrigerant, the pressure of the air suction end of the compressor is increased by means of the ejector, so that the requirements of the air conditioning system on high load and high pressure ratio are met, and the heating capacity and the energy efficiency ratio of the air conditioning system in a low-temperature environment are increased. Meanwhile, the ejector is not a moving part, power consumption is not needed, the capacity requirement under severe working conditions can be met only by providing electric quantity under common working conditions for the system, electric energy is saved, and the reliability of the system is improved.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, in particular to a kind of air-conditioning system.
Background technique
Multi-line system meets under low temperature environment frequently with two compressors or a Gas-supplying enthalpy-increasing compressor and makes at present
The demand of heat, as the subzero 20 DEG C of heating capacities of outdoor environment are unattenuated.
But in the lower situation of outdoor environment temperature, the heating capacity and efficiency specific damping of air-conditioning system are big.To be promoted
The low-temperature heating capacity and Energy Efficiency Ratio of unit then need the compressor of bigger capacity, bigger high-low pressure ratio.And existing compression
Machine capacity and high-low pressure ratio are also limited, and which results in the heating performances of air-conditioning system to be difficult to further increase.
Utility model content
The utility model embodiment provides a kind of air-conditioning system, with solve in the prior art air-conditioning system in outdoor environment
Heating capacity and the excessive technical problem of Energy Efficiency Ratio attenuation in the case that temperature is too low.
The application embodiment provides a kind of air-conditioning system, comprising: compressor, condenser, evaporator, gas-liquid separator
And injector；The exhaust outlet of the suction end of compressor and gas-liquid separator connects, and the exhaust end and condenser of compressor pass through the
The first entrance of the connection of one pipeline, condenser and injector is connected by the second pipeline, the delivery outlet of injector and gas-liquid separation
The input port of device is connected by third pipeline, and the leakage fluid dram of gas-liquid separator is connect with evaporator by the 4th pipeline, evaporator
It is connect with the second entrance of injector by the 5th pipeline.
In one embodiment, air-conditioning system further includes flash evaporation, and flash evaporation is arranged on the second pipeline, flash evaporation
Input port is connected with condenser, and the leakage fluid dram of flash evaporation is connected with the first entrance of injector, the exhaust outlet of flash evaporation and compression
Machine is connected by the 6th pipeline.
In one embodiment, compressor is Gas-supplying enthalpy-increasing compressor, and the exhaust outlet and Gas-supplying enthalpy-increasing of flash evaporation compress
The gas supplementing opening of machine is connected.
In one embodiment, compressor is compound compressor, between the exhaust outlet and compound compressor of flash evaporation
Pipeline is connected.
In one embodiment, compressor includes the low-pressure stage compressor and high pressure stage compressor of concatenation, low-pressure stage pressure
The suction end of contracting machine is connected with the exhaust outlet of gas-liquid separator, the exhaust end of low-pressure stage compressor and the air-breathing of high pressure stage compressor
End is connected, and the exhaust end of high pressure stage compressor is connected with the first pipeline, the exhaust outlet and low-pressure stage compressor and high pressure of flash evaporation
Pipeline between grade compressor is connected.
In one embodiment, first throttle valve is provided on the second pipeline.
In one embodiment, second throttle is provided on the 4th pipeline.
In one embodiment, first throttle valve and/or second throttle are electronic throttle.
In one embodiment, condenser and/or evaporator are air-cooled heat exchanger or water-cooled heat exchanger.
In one embodiment, condenser and/or evaporator are finned heat exchanger or shell and tube exchanger.
In the above-described embodiments, injector uses the expansion work of refrigerant, and the suction of compressor is promoted by injector
Gas end pressure promotes the heating capacity and energy of air-conditioning system under low temperature environment to meet the needs of air-conditioning system high load capacity, high pressure ratio
Effect ratio.Meanwhile injector is not moving component, is not necessarily to power consumption, the electricity that common operating condition need to be only provided to the system can reach
Electric energy is saved in ability need under bad working environments, improves system reliability.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the refrigeration cycle schematic diagram of the embodiment of air-conditioning system according to the present utility model；
Fig. 2 is the pressure-enthalpy chart of the embodiment of the air-conditioning system of Fig. 1.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached
Figure, is described in further details the utility model.Here, the exemplary embodiment and its explanation of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
Fig. 1 shows the embodiment of the air-conditioning system of the utility model, which includes compressor 10, condenser
20, evaporator 30, gas-liquid separator 40 and injector 50.The suction end of compressor 10 and the exhaust outlet of gas-liquid separator 40 connect
It connects, the exhaust end of compressor 10 is connect with condenser 20 by the first pipeline 81, the first entrance of condenser 20 and injector 50
It is connected by the second pipeline 82.The delivery outlet of injector 50 is connect with the input port of gas-liquid separator 40 by third pipeline 83,
The leakage fluid dram of gas-liquid separator 40 is connect with evaporator 30 by the 4th pipeline 84, the second entrance of evaporator 30 and injector 50
It is connected by the 5th pipeline 85.
At runtime, the gas coolant come out from gas-liquid separator 40 through compressor high-pressure gaseous refrigerant, after through condensing
It is that liquid refrigerants enters 50 first entrance of injector that device 20, which condenses heat release,.The intermediate low-pressure liquid refrigerant of 40 bottom of gas-liquid separator
It is low-pressure vapor phase refrigerant after absorbing heat into evaporator 30, enters the second entrance of injector 50 later.Into injector 50 first
The liquid refrigerants of entrance is depressured speedup through the nozzle of injector 50, then flows into suction chamber, causes suction chamber parital vacuum.By siphon
Effect, the low-pressure vapor phase refrigerant after the heat absorption of evaporator 30 flow together under the drive by two phase refrigerants of nozzle decompression speedup
Enter suction chamber decompression, is ultralow pressure gas-liquid two-phase state refrigerant.Mixing refrigerant sprays after the pressurization of the diffusion chamber of injector 50 later
The gas-liquid two-phase state refrigerant of intermediate low pressure carries out gas-liquid separation into gas-liquid separator 40, and the intermediate low-pressure gas isolated is cold
Matchmaker a enters compressor 10, and the intermediate low-pressure liquid refrigerant isolated enters evaporator low-pressure side and participates in circulation.
Using the technical solution of the utility model, injector 50 uses the expansion work of refrigerant, by injector 50
The air-breathing end pressure of compressor 10 is promoted, to meet the needs of air-conditioning system high load capacity, high pressure ratio, promotes air-conditioning under low temperature environment
The heating capacity and Energy Efficiency Ratio of system.Meanwhile injector 50 is not moving component, is not necessarily to power consumption, need to only be provided to the system common
The electricity of operating condition can reach the ability need under bad working environments, save electric energy, improve system reliability.
More preferably, it as shown in Figure 1, in the technical scheme of this embodiment, air-conditioning system further includes flash evaporation 60, dodges
It sends out device 60 to be arranged on the second pipeline 82, the input port of flash evaporation 60 is connected with condenser 20, the leakage fluid dram of flash evaporation 60 and spray
The first entrance of emitter 50 is connected, and the exhaust outlet of flash evaporation 60 is connect with compressor 10 by the 6th pipeline 86.
When in use, from gas-liquid separator 40 come out intermediate low-pressure gas refrigerant with from flash evaporation 60 out in calm the anger
The middle pressure liquid refrigerants of body refrigerant mixed heat transfer, flash evaporation then enters 50 first entrance of injector, is provided by flash evaporation 80 cold
Matchmaker is gasified rapidly and the space of gas-liquid separation.
As a preferred embodiment, as shown in Figure 1, compressor 10 is compound compressor, the exhaust of flash evaporation 60
Mouth is connected with the pipeline between compound compressor.Preferably, compressor 10 includes the low-pressure stage compressor 11 and hiigh pressure stage of concatenation
The suction end of compressor 12, low-pressure stage compressor 11 is connected with the exhaust outlet of gas-liquid separator 40, the row of low-pressure stage compressor 11
Gas end is connected with the suction end of high pressure stage compressor 12.The exhaust end of high pressure stage compressor 12 is connected with the first pipeline 81, shwoot
Pipeline between the exhaust outlet of device 60 and low-pressure stage compressor 11 and high pressure stage compressor 12 is connected.When in use, from gas-liquid point
From device 40 come out intermediate low-pressure gas refrigerant through low-pressure stage compressor 11 carry out first compression after be medium pressure refrigerant gas, with from
The medium pressure refrigerant gas mixed heat transfer that flash evaporation 60 comes out.Gaseous coolant is high pressure gas after 12 second-compressed of high pressure stage compressor
State refrigerant, after through condenser 20 condense heat release be high-pressure liquid refrigerant, flow into shwoot after 71 reducing pressure by regulating flow of first throttle valve
Device 60, the gaseous coolant of shwoot and the middle pressure refrigerant mixed heat transfer after one stage of compression, the middle pressure liquid refrigerants of flash evaporation then enter
50 first entrance of injector.
As other optional embodiments, compressor 10 can also be Gas-supplying enthalpy-increasing compressor, the row of flash evaporation 60
Port is connected with the gas supplementing opening of Gas-supplying enthalpy-increasing compressor.
As shown in Figure 1, in the technical scheme of this embodiment, being provided with first throttle valve 71 on the second pipeline 82.More
Preferably, second throttle 72 is provided on the 4th pipeline 84.In use, the effect of first throttle valve 71 and second throttle 72
It is to carry out pressure regulation to pipeline, reduces the pressure of refrigerant.Preferably, first throttle valve 71 and/or second throttle 72 are electronics
Throttle valve.
In the pressure enthalpy schematic diagram of Fig. 2, ultralow pressure Pmx, low pressure Ps, intermediate low pressure are Psp, and middle pressure is Pm, high pressure
For Pd.In conjunction with the refrigeration cycle schematic diagram of the air-conditioning system of Fig. 1 and the pressure enthalpy schematic diagram of Fig. 2, in the implementation that the present embodiment is optimal
In mode, at runtime, the intermediate low-pressure gas refrigerant a come out from gas-liquid separator 40 is carried out once through low-pressure stage compressor 11
It is medium pressure refrigerant gas b after compression, with the medium pressure refrigerant gas n mixed heat transfer come out from flash evaporation 60, i.e. gas coolant b is cold
But, gas coolant n absorbs heat, and mixing final state point is c point.The gaseous coolant of c point is high after 12 second-compressed of high pressure stage compressor
Press gaseous coolant d, after through condenser 20 condense heat release be high-pressure liquid refrigerant 5, flowed after 71 reducing pressure by regulating flow of first throttle valve
Enter flash evaporation 60, the gaseous coolant n and the middle pressure refrigerant b mixed heat transfer after one stage of compression, the middle hydraulic fluid state of flash evaporation of shwoot are cold
Matchmaker f then enters 50 first entrance of injector.
The intermediate low-pressure liquid refrigerant j of 40 bottom of gas-liquid separator is the lower gas-liquid of pressure through throttle valve I reducing pressure by regulating flow
Two-phase refrigerant k is low-pressure vapor phase refrigerant a after absorbing heat into evaporator 30, enters the second entrance of injector 50 later.
Middle pressure liquid refrigerants f into 50 first entrance of injector is depressured speedup through the nozzle of injector, i.e., ultralow to calm the anger
Two phase refrigerant g of liquid, then suction chamber is flowed into, cause suction chamber parital vacuum.It is low after the heat absorption of evaporator 30 by siphonage
Pressure gas phase refrigerant a flows into suction chamber decompression under the drive by two phase refrigerants of nozzle decompression speedup together, calms the anger to be ultralow
Two phase refrigerant m of liquid.The refrigerant mixed heat transfer of point g and point m, terminal are h later, mix expansion of the refrigerant h through injector 50 later
The gas-liquid two-phase state refrigerant i of intermediate low pressure is sprayed after pressing chamber to be pressurized.Refrigerant i enters gas-liquid separator 40 and carries out gas-liquid separation, point
The intermediate low-pressure gas refrigerant a separated out enters low-pressure stage compressor 11, and the intermediate low-pressure liquid refrigerant j isolated is through the second throttling
Valve 72 enters evaporator low-pressure side and participates in circulation.
It should be noted that above-mentioned condenser 20 and evaporator 30 can be wind in the technical solution of the utility model
Cold type heat exchanger, or water-cooled heat exchanger.
Optionally, condenser 20 and evaporator 30 are finned heat exchanger.As other optional embodiments, condensation
Device 20 and evaporator 30 or shell and tube exchanger.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model embodiment can have various modifications and variations.All spirit in the utility model
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of air-conditioning system characterized by comprising compressor (10), condenser (20), evaporator (30), gas-liquid separation
Device (40) and injector (50)；
The suction end of the compressor (10) is connect with the exhaust outlet of the gas-liquid separator (40), the row of the compressor (10)
Gas end and the condenser (20) connects by the first pipeline (81), and the first of the condenser (20) and the injector (50)
Entrance is connected by the second pipeline (82), and the delivery outlet of the injector (50) and the input port of the gas-liquid separator (40) are logical
Third pipeline (83) connection is crossed, the leakage fluid dram of the gas-liquid separator (40) and the evaporator (30) pass through the 4th pipeline (84)
Connection, the evaporator (30) are connect with the second entrance of the injector (50) by the 5th pipeline (85).
2. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes flash evaporation (60), institute
It states flash evaporation (60) to be arranged on second pipeline (82), input port and the condenser (20) phase of the flash evaporation (60)
Even, the leakage fluid dram of the flash evaporation (60) is connected with the first entrance of the injector (50), the exhaust of the flash evaporation (60)
Mouth is connect with the compressor (10) by the 6th pipeline (86).
3. air-conditioning system according to claim 2, which is characterized in that the compressor (10) is Gas-supplying enthalpy-increasing compressor,
The exhaust outlet of the flash evaporation (60) is connected with the gas supplementing opening of the Gas-supplying enthalpy-increasing compressor.
4. air-conditioning system according to claim 2, which is characterized in that the compressor (10) is compound compressor, described
The exhaust outlet of flash evaporation (60) is connected with the pipeline between the compound compressor.
5. air-conditioning system according to claim 4, which is characterized in that the compressor (10) includes the low-pressure stage pressure of concatenation
Contracting machine (11) and high pressure stage compressor (12), suction end and the gas-liquid separator (40) of the low-pressure stage compressor (11)
Exhaust outlet is connected, and the exhaust end of the low-pressure stage compressor (11) is connected with the suction end of the high pressure stage compressor (12), institute
The exhaust end for stating high pressure stage compressor (12) is connected with first pipeline (81), the exhaust outlet of the flash evaporation (60) with it is described
Pipeline between low-pressure stage compressor (11) and the high pressure stage compressor (12) is connected.
6. air-conditioning system according to claim 1, which is characterized in that be provided with first throttle on second pipeline (82)
Valve (71).
7. air-conditioning system according to claim 6, which is characterized in that be provided with the second throttling on the 4th pipeline (84)
Valve (72).
8. air-conditioning system according to claim 7, which is characterized in that the first throttle valve (71) and/or described second
Throttle valve (72) is electronic throttle.
9. air-conditioning system according to claim 1, which is characterized in that the condenser (20) and/or the evaporator
It (30) is air-cooled heat exchanger or water-cooled heat exchanger.
10. air-conditioning system according to claim 1, which is characterized in that the condenser (20) and/or the evaporator
It (30) is finned heat exchanger or shell and tube exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821270579.3U CN208779607U (en) | 2018-08-07 | 2018-08-07 | air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821270579.3U CN208779607U (en) | 2018-08-07 | 2018-08-07 | air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208779607U true CN208779607U (en) | 2019-04-23 |
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ID=66156138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821270579.3U Active CN208779607U (en) | 2018-08-07 | 2018-08-07 | air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208779607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269136A (en) * | 2018-08-07 | 2019-01-25 | 珠海格力电器股份有限公司 | air conditioning system |
-
2018
- 2018-08-07 CN CN201821270579.3U patent/CN208779607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269136A (en) * | 2018-08-07 | 2019-01-25 | 珠海格力电器股份有限公司 | air conditioning system |
| CN109269136B (en) * | 2018-08-07 | 2024-06-11 | 珠海格力电器股份有限公司 | Air conditioning system |
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