CN107152810A - Compressor parallel unit and air conditioning system with same - Google Patents
Compressor parallel unit and air conditioning system with same Download PDFInfo
- Publication number
- CN107152810A CN107152810A CN201710498717.7A CN201710498717A CN107152810A CN 107152810 A CN107152810 A CN 107152810A CN 201710498717 A CN201710498717 A CN 201710498717A CN 107152810 A CN107152810 A CN 107152810A
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- compressor
- outlet
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- import
- pipeline
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 25
- 239000003507 refrigerant Substances 0.000 claims abstract description 99
- 230000008676 import Effects 0.000 claims description 91
- 239000007788 liquid Substances 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 15
- 230000003434 inspiratory effect Effects 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010726 refrigerant oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Combustion & Propulsion (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention relates to a compressor parallel unit and an air conditioning system with the same. The compressor parallel unit includes: a refrigerant inlet (1) for introducing a refrigerant to be compressed; a plurality of compressors (2), a suction port of the compressor (2) communicating with the refrigerant inlet (1) to introduce a refrigerant to be compressed; a refrigerant outlet (3) which is communicated with the exhaust ports of the plurality of compressors (2) to output the refrigerant compressed by the compressors (2); and the valve banks are arranged in one-to-one correspondence with the compressors and are used for controlling the on-off of the corresponding compressor (2) and the refrigerant inlet (1) and/or the refrigerant outlet (3). By applying the technical scheme of the invention, the number of the compressors (2) for compressing the refrigerant can be controlled so as to adjust the refrigerating capacity of the air conditioning system.
Description
Technical field
The present invention relates to air-conditioning equipment field, in particular to a kind of compressor parallel unit and the air-conditioning with it
System.
Background technology
The condensation that the compressor parallel unit of existing air-conditioning system includes multiple compressors, connected with multiple compressors
Device and for connecting the exhaust outlet of multiple compressors and the discharge of condenser.Discharge includes the inlet communication with condenser
Outlet and along discharge bearing of trend arrange multiple imports.Multiple imports are set correspondingly with multiple compressors,
The exhaust outlet of compressor and corresponding inlet communication.Refrigerant after multiple compressor compresses is pooled to condenser by discharge
In.
Compressor parallel unit also includes the isocon that the refrigerant of machine to be compressed is branched to multiple compressors.Isocon
On be provided with for introduce the import with refrigerant to be compressed and along isocon bearing of trend arrange multiple outlets, it is multiple
Outlet is set correspondingly with multiple compressors.The outlet of isocon is connected with the air entry of corresponding compressor.
Any in the compressor parallel unit of prior art or during multiple compressors failure, whole compressor is simultaneously
Online group of needs are shut down and repaired, therefore existing compressor parallel unit is not easy to safeguard, reliability is not also high.
Further, multiple compressors of the compressor parallel unit of prior art can only work simultaneously, it is impossible to according to
Need to make the compressor operating of part, the adjustable range of compressor parallel unit is smaller.
Further, the spacing between the multiple outlets and import of isocon is different, causes multiple compressor air suctions mouthful
Inspiratory capacity is different, therefore while Partial shrinkage machine overload operation in compressor parallel unit, still there is the compressor of part
Oepration at full load is unable to, so as to cause multiple compressors of compressor parallel unit can not be while being fully utilized.
Further, between multiple inlet and outlets of discharge spacing is different, causes the exhaust of multiple compressors to converge
The pressure collected at the exit of discharge is different, and larger impact is easily formed in discharge.
Further, existing compressor parallel unit needs large-scale discharge, isocon and gas-liquid separator so that
The volume of compressor parallel unit is larger, and structure is not compact enough.
The content of the invention
The present invention is intended to provide a kind of compressor parallel unit for being easy to air-conditioning system to adjust refrigerating capacity and the sky with it
Adjusting system.
One side according to embodiments of the present invention, the invention provides a kind of compressor parallel unit of air-conditioning system,
Including：
Refrigerant inlet, the refrigerant to be compressed for introducing；
Multiple compressors, the air entry of compressor is connected with refrigerant inlet, to introduce refrigerant to be compressed；
Refrigerant outlet, is connected with the exhaust outlet of multiple compressors, to export the refrigerant after being compressed through compressor；With
And
Multiple valve groups, are set correspondingly with multiple compressors, and valve group is used to control corresponding compressor and refrigerant
The break-make of entrance and/or refrigerant outlet.
Alternatively, valve group includes：
First valve, for controlling whether the air entry of compressor connects with refrigerant inlet；And/or
Second valve, for controlling whether the exhaust outlet of compressor connects with refrigerant outlet.
Alternatively, compressor parallel unit also includes:
First by-passing parts, including an import and two outlets, between two outlets and import of the first by-passing parts
Distance it is equal, the import of the first by-passing parts is connected with refrigerant inlet；And
Two the second by-passing parts, are exported including an import and two, and two outlets of the second by-passing parts are with entering
Mouthful the distance between equal, two outlets of the imports of two the second by-passing parts respectively with the first by-passing parts, second
Air entry of two outlets of by-passing parts respectively with two compressors is connected.
Alternatively, compressor parallel unit also includes the first pipeline, and the import of the first pipeline is used to introduce compressor compresses
Refrigerant afterwards, the outlet of the first pipeline and the import of the first by-passing parts or the import of the second by-passing parts are with may be selected break-make
Connection.
Alternatively, the first pipeline is set correspondingly with the second by-passing parts,
The outlet of first pipeline is connected with the optional break-make of the imports of corresponding second by-passing parts, and/or respectively with
Inlet communication of the exhaust outlet of two compressors of two outlets of the second by-passing parts with the first pipeline.
Alternatively, the exhaust outlet of two compressors is equal with the distance between the import of the first pipeline.
Alternatively, compressor parallel unit also includes：
Condenser, the refrigerant after being compressed for condensate compressor；And
Second pipeline, its import is used to introduce the condensed refrigerant of condenser, and its outlet is entered with the first by-passing parts
The import of mouth or the second by-passing parts is connected break-make may be selected.
Alternatively, the second pipeline is set correspondingly with the second by-passing parts, the outlet of the second pipeline and corresponding
The import of two by-passing parts is connected break-make may be selected.
Alternatively, compressor parallel unit also includes：
Two the first converging components, including outlet and two imports, two imports and the outlet of the first converging component
Between distance it is equal, the exhaust outlet of two imports of the first converging component respectively with two compressors is connected；And
Second converging component, including outlet and two imports, between two imports and outlet of the second converging component away from
From equal, the outlet of two imports of the second converging component respectively with two the first converging components, the second converging component
Outlet is connected with refrigerant outlet.
Alternatively, compressor parallel unit also includes multiple condensers, and multiple condensers are corresponded with multiple compressors
Ground is set, and condenser is arranged between the import of corresponding compressor and the first converging component.
Alternatively, compressor parallel unit also includes the second pipeline, and the import of the second pipeline goes out with the first converging component
The outlet of mouth or the second converging component, the outlet of the second pipeline is used to export condensed device condensation to the air entry of compressor
Refrigerant afterwards.
Alternatively, the second pipeline is set correspondingly with the first converging component, the import of the second pipeline and corresponding
The outlet of one converging component.
Alternatively, compressor parallel unit also includes：
With the one-to-one multiple gs-oil separators of multiple compressors, the import of each gs-oil separator and corresponding compression
The exhaust outlet connection of machine, the oil discharge outlet of each gs-oil separator is connected with the air entry of corresponding compressor, each Oil-gas Separation
The exhaust outlet of device is used for the refrigerant after refrigerant outlet output squeezing；And/or
With the one-to-one multiple gas-liquid separation gas devices of multiple compressors, the import of each gas-liquid separation gas device and refrigerant
Entrance is connected, and the gas vent of each gas-liquid separation gas device is connected with the air entry of corresponding compressor.
According to the another aspect of the application, a kind of air-conditioning system is additionally provided, the air-conditioning system includes above-mentioned compressor
Parallel sets.
Using the technical scheme of the application, each compressor is correspondingly provided with valve group, to control whether compressor presses
Contraction cryogen, thus can control compression refrigerant compressor quantity to adjust the refrigerating capacity of compressor parallel unit.
By referring to the drawings to the detailed description of the exemplary embodiment of the present invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 shows the structural representation of the compressor parallel unit of the air-conditioning system of the first embodiment of the present invention；With
And
Fig. 2 shows the structural representation of the compressor parallel unit of the air-conditioning system of the second embodiment of the present invention.
In figure：1st, refrigerant inlet；2nd, multiple compressors；3rd, refrigerant outlet；4th, the first valve；5th, the second valve；6th, first
By-passing parts；7th, the second by-passing parts；8th, the first pipeline；9th, condenser；10th, the second pipeline；11st, the second converging component；12nd,
One converging component；13rd, gs-oil separator；14th, gas-liquid separator；15th, reservoir；16th, liquid injection valve；17th, hot gas bypass valve；18、
Suction filter；19th, device for drying and filtering；20th, the 3rd valve.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any limitation.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Embodiment one：
Fig. 1 shows the structural representation of the compressor parallel unit of the air-conditioning system of the present embodiment.As shown in figure 1, this
The compressor parallel unit of the air-conditioning system of embodiment includes：
Refrigerant inlet 1, the refrigerant to be compressed for introducing；
Multiple compressors 2, the air entry of each compressor is connected with refrigerant inlet 1, to introduce refrigeration to be compressed
Agent；
Refrigerant outlet 3, is connected with the exhaust outlet of multiple compressors 2, to export the refrigeration after being compressed through compressor 2
Agent；And
Multiple valve groups, are set correspondingly with multiple compressors, and valve group is used to control corresponding compressor 2 and refrigerant
The break-make of entrance 1 and/or refrigerant outlet 3.
In the present embodiment, each compressor 2 is correspondingly arranged on a valve group, to control whether have system in compressor 2
Cryogen circulates.When any compressor 2 in compressor parallel unit breaks down, corresponding valve group can be closed so that corresponding
Compressor 2 in without refrigerant circulation, in order to which the compressor 2 to failure is repaired.
Any compressor can work independently in multiple compressors 2, in multiple compressors 2 it is any it is several can also work simultaneously
Make, thus the compressor parallel unit of the present embodiment reliability it is higher and be easy to adjust refrigerating capacity.
As shown in figure 1, including the first valve 4 and the second valve for the valve group for controlling whether to there is refrigerant to circulate in compressor 2
5.First valve 4 is used to control whether the air entry of compressor 2 connects with refrigerant inlet 1.Second valve 5 is used to control compressor 2
Exhaust outlet whether connected with refrigerant outlet 3.
In order to the inspiratory capacity for solving multiple compressors 2 present in prior art it is uneven the problem of, the pressure of the present embodiment
Contracting machine Parallel sets include the first by-passing parts 6 and two the second by-passing parts 7 positioned at the downstream of the first by-passing parts 6.
Between first by-passing parts 6 are included between import and two outlets, two export and imports of the first by-passing parts 6
Away from equal, the import of the first by-passing parts 6 is connected with refrigerant inlet 1, to introduce refrigerant to be compressed.
Two the second by-passing parts 7 include import and two outlets, two of the second by-passing parts 7 outlets and import it
Between distance it is equal, two outlets of the imports of two the second by-passing parts 7 respectively with the first by-passing parts 6.Second point
Air entry of two outlets of stream unit 7 respectively with two compressors 2 is connected.
In the present embodiment, compressor parallel unit includes multiple by-passing parts, and each by-passing parts enter including one
Mouth and two outlets, two outlets of by-passing parts are equal with the distance between import.Stream of multiple by-passing parts along refrigerant
To being set to multistage, the inlet communication of two outlets of the by-passing parts of higher level respectively with the by-passing parts of Liang Ge subordinates is most upper
The import of the by-passing parts of level is connected with refrigerant inlet 1, and two outlets of the by-passing parts of most subordinate are compressed with two respectively
Machine 2 is connected.
Therefore the air entry of multiple compressors 2 of the present embodiment is equal with the path between refrigerant inlet 1, each compression
The inspiratory capacity of machine 2 also can be equal, is conducive to the inspiratory capacity for improving multiple compressors 2 present in prior art is uneven to ask
Topic.
The compressor parallel unit of the present embodiment also includes outlet and the second by-passing parts for being arranged on the first by-passing parts 6
Suction filter 18 between 7 import.
When relatively low with the temperature of the medium of the evaporator heat exchange of air-conditioning system, the load of air-conditioning system is smaller, evaporator
Outlet discharge refrigerant in include substantial amounts of liquid refrigerant, in order to prevent the refrigerant of liquid from entering compressor 2
Air entry, compressor parallel unit also includes the gas-liquid separator being arranged between the air entry of refrigerant inlet 1 and compressor 2
14.The import of gas-liquid separator 14 is connected with refrigerant inlet 1, the gas vent of gas-liquid separator 14 and the air-breathing of compressor 2
Mouth connection.
The liquid refrigerant of the outlet discharge of evaporator is more, suction from the gas vent of gas-liquid separator 14 to compressor 1
The gaseous refrigerant that gas port is provided is also fewer, and correspondingly the inspiratory capacity of compressor 2 is also just smaller, or even compressor 2 occurs
The situation of no-load running.
In order to ensure the inspiratory capacity of compressor, the compressor parallel unit of the present embodiment also includes the first pipeline 8, the first pipe
The import on road 8 is used to introduce the refrigerant after compressor 2 compresses, and the outlet of the first pipeline 8 connects with the import of the second by-passing parts 7
Logical, the refrigerant after compressor 2 is compressed equably is delivered to the air entry of multiple compressors 2.Can also preferably, first
The outlet of pipeline 8 and the inlet communication of the first by-passing parts 6.
Hot gas bypass valve 17 is additionally provided with first pipeline 8, for controlling the first pipeline according to the running situation of compressor 2
8 convey the refrigerant after compression to the air entry of compressor 2.
In the present embodiment, the first pipeline 8 is set correspondingly with the second by-passing parts 7, the outlet of the first pipeline 8 and phase
The inlet communication for the second by-passing parts 7 answered, with to two compressors 2 of two outlets with second by-passing parts 7
Provide compressor 2 compress after refrigerant.
The exhaust outlet with two compressors 2 of two outlets of the second by-passing parts 7 can be with the first pipe respectively
The inlet communication on road 8, the refrigerant of the part after two above-mentioned compressors 2 are compressed is delivered to the air entry of compressor 2.
The exhaust outlet of two above-mentioned compressors 2 is equal with the distance between the import of the first pipeline 8, in order to two pressures
The amount for the refrigerant that contracting machine 2 is exported to the first pipeline 8 is equal.
The 3rd valve 20 is provided between the import of the exhaust outlet and the first pipeline 8 of each compressor 2, it is corresponding to control
The break-make of the import of the exhaust outlet of compressor 2 and the first pipeline 8.
When higher with the temperature of the medium of the evaporator heat exchange of air-conditioning system, the load of air-conditioning system is larger, it is necessary to increase
Plus the rotating speed of compressor 2 improves the refrigerating capacity of air-conditioning system, but the raising of the rotating speed with compressor 2, compressor 2 is discharged
The temperature of refrigerant also raise accordingly, so as to cause the hydraulic performance decline of refrigerant and lubricating oil.
The problem of in order to solve above-mentioned, the compressor parallel unit of the present embodiment also includes compressing for condensate compressor 2
The pipeline 10 of condenser 9 and second of refrigerant afterwards, the import of the second pipeline 10 is used to introduce the condensed refrigeration of condenser 9
Agent, the outlet of the second pipeline 10 is connected break-make may be selected with the import of the second by-passing parts 7, and condensed refrigerant is defeated
The temperature for the refrigerant for delivering to the air entry of compressor 2 to reduce the discharge of compressor 2.
Can also preferably, the outlet of the second pipeline 10 and the inlet communication of the first by-passing parts 6 are cold by condenser 9
Refrigerant after solidifying is equably delivered to multiple compressors 2.
Liquid injection valve 16 is additionally provided with second pipeline 10, for controlling the second pipeline 10 according to the running situation of compressor 2
Condensed refrigerant is exported to the air entry of compressor 2.
The second pipeline 10 is set correspondingly with the second by-passing parts 7 in the present embodiment, the outlet of the second pipeline 10 with
The import of corresponding second by-passing parts 7 is connected break-make may be selected.
In order to solve prior art presence because of the distance between the outlet of exhaust outlet and discharge of compressor 2 difference
And cause the problem of impact in discharge is larger.The compressor parallel unit of the present embodiment also includes two the first converging components
12 and second converging component 11.Two the first converging components 12 include two imports and one outlet, and first confluxes portion
Two imports of part 12 are equal with the distance between outlet, two imports of the first converging component 12 respectively with two compressors 2
Exhaust outlet connection.
Second converging component 11 includes outlet and two imports, between two imports and outlet of the second converging component 11
Apart from equal, the outlet of two imports of the second converging component 11 respectively with two the first converging components 12, second confluxes
The outlet of part 11 is connected with refrigerant outlet 3.
In the present embodiment, the first converging component 12 and the second by-passing parts 7 are set correspondingly, the first converging component 12
Import and the outlet of the second by-passing parts 7 set correspondingly, the import of the first converging component 12 and corresponding second point
Compressor 2 is provided between the outlet of stream unit 7.
The compressor parallel unit of the present embodiment includes multiple converging components, each converging component include two imports and
One outlet, multiple converging components are set to multistage along the flow direction of refrigerant.Two imports of the converging component of subordinate respectively with
The outlet of the converging component of two higher levels.The row of two imports of the converging component of most higher level respectively with two compressors 2
Gas port is connected, and the outlet of the converging component of most subordinate is connected with refrigerant outlet 3.
In the present embodiment, the exhaust outlet of multiple compressors 2 is equal with the path between refrigerant outlet 3, advantageously accounts for
The problem of impact present in prior art in converging component is larger.
In the present embodiment, condenser is multiple, and multiple condensers 9 are set correspondingly with multiple compressors 2, condenser
9 are arranged between the import of the corresponding converging component 12 of compressor 2 and first.
The 4th valve is provided between the outlet of condenser 9 and the import of the first converging component 12.
The compressor parallel unit of the present embodiment also includes the multiple tanks set correspondingly with refrigerator 9, condenser
It is arranged in corresponding tank.Each tank be respectively provided with import for introducing the medium exchanged heat with condenser 9 and for output with it is cold
The outlet of medium after the heat exchange of condenser 9.
In the present embodiment, one independent refrigeration unit of each compressor 2 and corresponding condenser 9 formation, multiple refrigeration
Unit both can work independently or can be combined, therefore improve the reliability of the compressor parallel unit of the present embodiment.
Device for drying and filtering 19 and storage are provided between the outlet and the import of the second converging component 11 of first converging component 12
Liquid device 15.
Compressor parallel unit also includes the second pipeline 10, and the second pipeline 10 is set correspondingly with the first converging component 12
Put, the import of the second pipeline 10 and the outlet of the first converging component 12, the outlet of the second pipeline 10 are used for compressor 2
Air entry exports the condensed refrigerant of condensed device 9.
In the present embodiment, multiple compressors 2 are arranged side by side, per 2 pairs of two neighboring compressor with being provided with one second point
Stream unit 7 and first converging component 12, the exhaust outlet of two neighboring compressor 2 respectively with the first converging component 12 two
Inlet communication, two outlets of the air entry of two neighboring compressor 2 respectively with the second by-passing parts 7.
Compressor parallel unit also includes and the one-to-one multiple gs-oil separators 13 of multiple compressors, each oil gas point
Connected from the import of device 13 with the exhaust outlet of corresponding compressor 2, the oil discharge outlet of each gs-oil separator 13 and corresponding compression
The air entry connection of machine 2, the exhaust outlet of each gs-oil separator 13 is used for the refrigerant after the output squeezing of refrigerant outlet 3.
In the present embodiment, each compressor 2 is correspondingly arranged a gs-oil separator 13, multiple compressions compared with the prior art
The shared gs-oil separator of machine, the volume of the gs-oil separator 13 of the present embodiment on the premise of meeting the need for compressor is significantly
Reduce, therefore the installation site of gs-oil separator 13 is more flexible, advantageously allows the compressor parallel unit of the present embodiment
Structure is compacter, helps to reduce the volume of compressor parallel unit.
Compressor parallel unit also includes and the one-to-one multiple gas-liquid separation gas devices 14 of multiple compressors, each gas-liquid
The import of separation gas device 14 is connected with refrigerant inlet 1, the gas vent and corresponding compressor of each gas-liquid separation gas device 14
Air entry connection.
In the present embodiment, each compressor 2 is correspondingly arranged a gas-liquid separator 14, relative to multiple pressures of prior art
The shared gs-oil separator of contracting machine, the volume of the gas-liquid separator 14 of the present embodiment on the premise of meeting the need for compressor is big
It is big to reduce, therefore the installation site of gas-liquid separator 14 is more flexible, advantageously allows the compressor parallel unit of the present embodiment
Structure it is compacter, contribute to reduce compressor parallel unit volume.
A kind of air-conditioning system is additionally provided according to another aspect the present embodiment of the application, the air-conditioning system includes above-mentioned
Compressor parallel unit and evaporator, the import of steamer are connected with refrigerant outlet 3, the outlet of evaporator and refrigerant inlet
1 connection.
Embodiment two：
Fig. 2 shows the structural representation of the compressor parallel unit of the air-conditioning system of the present embodiment.
As shown in Fig. 2 the present embodiment and the difference of embodiment one are：Condenser is not arranged on the row of compressor 2
Between the import of gas port and the first converging component 12.
In the present embodiment, the outlet of condenser and the second converging component 11, to introduce the first converging component 12 and
Two converging components 11 conflux after refrigerant.
Can also preferably, compressor parallel unit also includes four-way valve, the outlet of the second converging component 11 and four-way valve
The connection of the first working hole, refrigerant inlet 1 connect with the second working hole of four-way valve, the 3rd working hole of four-way valve and condenses
Device is connected, and the 4th working hole of four-way valve is connected with evaporator.
The exemplary embodiment of the present invention is the foregoing is only, is not intended to limit the invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (14)
1. a kind of compressor parallel unit of air-conditioning system, it is characterised in that including：
Refrigerant inlet (1), the refrigerant to be compressed for introducing；
Multiple compressors (2), the air entry of the compressor (2) is connected with the refrigerant inlet (1), to be compressed to introduce
Refrigerant；
Refrigerant outlet (3), is connected with the exhaust outlet of multiple compressors (2), is compressed with exporting through the compressor (2)
Refrigerant afterwards；And
Multiple valve groups, are set correspondingly with the multiple compressor, and the valve group is used to control the corresponding pressure
The break-make of contracting machine (2) and the refrigerant inlet (1) and/or refrigerant outlet (3).
2. compressor parallel unit according to claim 1, it is characterised in that the valve group includes：
First valve (4), for controlling whether the air entry of the compressor (2) connects with the refrigerant inlet (1)；And/or
Second valve (5), for controlling whether the exhaust outlet of the compressor (2) connects with the refrigerant outlet (3).
3. compressor parallel unit according to claim 1, it is characterised in that also include:
First by-passing parts (6), including an import and two outlets, described two outlets of first by-passing parts (6)
Equal with the distance between the import, the import of first by-passing parts (6) is connected with the refrigerant inlet (1)；With
And
Two the second by-passing parts (7), export, described the two of second by-passing parts (7) including an import and two
Individual outlet is equal with the distance between the import, the imports of two second by-passing parts (7) respectively with described first point
Two outlets of stream unit (6), two of second by-passing parts (7) outlets respectively with two compressors (2)
Air entry connection.
4. compressor parallel unit according to claim 3, it is characterised in that also including the first pipeline (8), described first
The import of pipeline (8) be used for introduce the compressor (2) compression after refrigerant, the outlet of first pipeline (8) with it is described
The import of first by-passing parts (6) or the import of second by-passing parts (7) are connected break-make may be selected.
5. compressor parallel unit according to claim 4, it is characterised in that first pipeline (8) and described second
By-passing parts (7) are set correspondingly,
The outlet of first pipeline (8) is connected break-make may be selected with the import of corresponding second by-passing parts (7),
And/or respectively with the exhaust outlets of two compressors (2) of two outlets of second by-passing parts (7) and institute
State the inlet communication of the first pipeline (8).
6. compressor parallel unit according to claim 5, it is characterised in that the exhaust outlet of described two compressors (2)
It is equal with the distance between the import of first pipeline (8).
7. compressor parallel unit according to claim 3, it is characterised in that also include：
Condenser (9), for condensing the refrigerant after the compressor (2) compression；And
Second pipeline (10), its import is used to introduce the condenser (9) condensed refrigerant, and it is exported and described first point
The import of stream unit (6) or the import of second by-passing parts (7) are connected break-make may be selected.
8. compressor parallel unit according to claim 7, it is characterised in that second pipeline (10) and described second
By-passing parts (7) are set correspondingly, the outlet of second pipeline (10) and corresponding second by-passing parts (7)
Import is connected break-make may be selected.
9. compressor parallel unit according to claim 1, it is characterised in that also include：
Two the first converging components (12), including one outlet and two imports, two of first converging component (12)
The import is equal with the distance between the outlet, two imports of first converging component (12) respectively with described in two
The exhaust outlet connection of compressor (2)；And
Second converging component (11), including one outlet and two imports, enter described in two of second converging component (11)
Mouth is equal with the distance between the outlet, and two imports of second converging component (11) converge with two described first respectively
The outlet of stream unit (12), the outlet of second converging component (11) is connected with the refrigerant outlet (3).
10. compressor parallel unit according to claim 9, it is characterised in that multiple also including multiple condensers (9)
The condenser (9) is set correspondingly with multiple compressors (2), and the condenser (9) is arranged on corresponding described
Between the import of compressor (2) and first converging component (12).
11. compressor parallel unit according to claim 10, it is characterised in that described also including the second pipeline (10)
The import of second pipeline (10) connects with the outlet of first converging component (12) or the outlet of second converging component (11)
Logical, the outlet of second pipeline (10) is used to export after the condenser (9) condensation to the air entry of the compressor (2)
Refrigerant.
12. compressor parallel unit according to claim 11, it is characterised in that second pipeline (10) and described the
One converging component (12) is set correspondingly, the import of second pipeline (10) and corresponding first converging component (12)
Outlet.
13. compressor parallel unit according to claim 1, it is characterised in that also include：
With the one-to-one multiple gs-oil separators (13) of multiple compressors, the import of each gs-oil separator (13)
Connected with the exhaust outlet of the corresponding compressor (2), the oil discharge outlet of each gs-oil separator (13) with it is corresponding described in
The air entry connection of compressor (2), the exhaust outlet of each gs-oil separator (13) is for defeated to the refrigerant outlet (3)
The refrigerant gone out after compression；And/or
With the one-to-one multiple gas-liquid separation gas devices (14) of multiple compressors, each gas-liquid separation gas device (14)
Import is connected with the refrigerant inlet (1), the gas vent and corresponding compressor of each gas-liquid separation gas device (14)
Air entry connection.
14. a kind of air-conditioning system, it is characterised in that including the compressor parallel unit any one of claim 1 to 13.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710498717.7A CN107152810A (en) | 2017-06-27 | 2017-06-27 | Compressor parallel unit and air conditioning system with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498717.7A CN107152810A (en) | 2017-06-27 | 2017-06-27 | Compressor parallel unit and air conditioning system with same |
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| Publication Number | Publication Date |
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| CN107152810A true CN107152810A (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710498717.7A Pending CN107152810A (en) | 2017-06-27 | 2017-06-27 | Compressor parallel unit and air conditioning system with same |
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| CN (1) | CN107152810A (en) |
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