CN206875747U - Compressor parallel unit and there is its air-conditioning system - Google Patents
Compressor parallel unit and there is its air-conditioning system Download PDFInfo
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- CN206875747U CN206875747U CN201720753919.7U CN201720753919U CN206875747U CN 206875747 U CN206875747 U CN 206875747U CN 201720753919 U CN201720753919 U CN 201720753919U CN 206875747 U CN206875747 U CN 206875747U
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Abstract
It the utility model is related to a kind of compressor parallel unit and there is its air-conditioning system.Compressor parallel unit includes：Refrigerant inlet (1), for introducing refrigerant to be compressed；Multiple compressors (2), the air entry of compressor (2) connects with refrigerant inlet (1), to introduce refrigerant to be compressed；Refrigerant outlet (3), connected with the exhaust outlet of multiple compressors (2), to export the refrigerant after compressor (2) compression；And multiple valve groups, set correspondingly with multiple compressors, valve group is used for the break-make for controlling corresponding compressor (2) and refrigerant inlet (1) and/or refrigerant outlet (3).Using the technical solution of the utility model, the quantity of compressor (2) of compression refrigerant can be controlled in order to adjusting the refrigerating capacity of air-conditioning system.
Description
Technical field
Air-conditioning equipment field is the utility model is related to, in particular to a kind of compressor parallel unit and there is its
Air-conditioning 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 connects with the air entry of corresponding compressor.
When any in the compressor parallel unit of prior art or multiple compressors break down, 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 suction mouths
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 to be fully utilized simultaneously.
Further, the spacing between multiple inlet and outlets of discharge 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.
Utility model content
The utility model aims to provide a kind of compressor parallel unit for being easy to air-conditioning system to adjust refrigerating capacity and has it
Air-conditioning system.
According to the one side of the utility model embodiment, the utility model provides a kind of compressor of air-conditioning system simultaneously
Online group, including：
Refrigerant inlet, for introducing refrigerant to be compressed；
Multiple compressors, the air entry of compressor connect with refrigerant inlet, to introduce refrigerant to be compressed；
Refrigerant outlet, connected with the exhaust outlet of multiple compressors, to export the refrigerant after compressor compresses；With
And
Multiple valve groups, set correspondingly with multiple compressors, 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 connects with refrigerant inlet；And
Two the second by-passing parts, exported including an import and two, two outlets of the second by-passing parts are with entering
Mouthful the distance between equal, the imports of two the second by-passing parts, two outlets with the first by-passing parts respectively, second
Air entry of two outlets of by-passing parts respectively with two compressors connects.
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 is with the import of the first by-passing parts or the optional break-make of the import of the second by-passing parts
Connection.
Alternatively, the first pipeline is set correspondingly with the second by-passing parts,
The outlet of first pipeline connects 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 are 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 connects 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 connects break-make may be selected.
Alternatively, compressor parallel unit also includes：
Two the first converging components, include 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 connects；And
Second converging component, including outlet and two imports, between two imports of the second converging component and outlet away from
From equal, two imports of the second converging component outlet with two the first converging components respectively, the second converging component
Outlet connects with refrigerant outlet.
Alternatively, compressor parallel unit also includes multiple condensers, and multiple condensers correspond 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 are 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 multiple compressors multiple gs-oil separators correspondingly, 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 connect 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 multiple compressors multiple gas-liquid separation gas devices correspondingly, the import of each gas-liquid separation gas device and refrigerant
Entrance connects, and the gas vent of each gas-liquid separation gas device connects 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, therefore the quantity of the compressor of compression refrigerant can be controlled to adjust the refrigerating capacity of compressor parallel unit.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of the compressor parallel unit of the air-conditioning system of first embodiment of the present utility model
Figure；And
Fig. 2 shows the structural representation of the compressor parallel unit of the air-conditioning system of second embodiment of the present utility model
Figure.
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 utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
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, for introducing refrigerant to be compressed；
Multiple compressors 2, the air entry of each compressor connect with refrigerant inlet 1, to introduce refrigeration to be compressed
Agent；
Refrigerant outlet 3, connected with the exhaust outlet of multiple compressors 2, to export the refrigeration after the compression of compressor 2
Agent；And
Multiple valve groups, set correspondingly with multiple compressors, 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 in compressor 2 whether have system
Cryogen circulates.When any compressor 2 in compressor parallel unit breaks down, corresponding valve group can be closed so that phase
Circulated in the compressor 2 answered without refrigerant, in order to be repaired to the compressor 2 of failure.
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, for controlling the valve group for whether thering is refrigerant to circulate in compressor 2 to include the first valve 4 and the second valve
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 solve the problems, such as that the inspiratory capacity of multiple compressors 2 present in prior art is uneven, 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.
First by-passing parts 6 include import and two outlets, between two export and imports of the first by-passing parts 6 between
Away from equal, the import of the first by-passing parts 6 connects with refrigerant inlet 1, to introduce refrigerant to be compressed.
Two the second by-passing parts 7 include import and two outlets, two outlets and import of the second by-passing parts 7
The distance between equal, the imports of two the second by-passing parts 7, two outlets with the first by-passing parts 6 respectively.Second
Air entry of two outlets of by-passing parts 7 respectively with two compressors 2 connects.
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 arranged to multistage, two of the by-passing parts of higher level export the inlet communication with the by-passing parts of Liang Ge subordinates respectively, most upper
The import of the by-passing parts of level connects with refrigerant inlet 1, and two outlets of the by-passing parts of most subordinate are compressed with two respectively
Machine 2 connects.
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, and the inspiratory capacity for being advantageous to improve multiple compressors 2 present in prior art uneven is asked
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 the temperature of the medium of the evaporator heat exchange with air-conditioning system is relatively low, 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 into compressor 2
Air entry, compressor parallel unit also include 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 connects 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, the suction of the gas vent of gas-liquid separator 14 to compressor 1
The gaseous refrigerant that gas port provides 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 are 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 exports 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
Compressor 2 exhaust outlet and the first pipeline 8 import break-make.
When the temperature of the medium of the evaporator heat exchange with air-conditioning system is higher, the load of air-conditioning system is larger, it is necessary to increase
Add the rotating speed of compressor 2 to improve the refrigerating capacity of air-conditioning system, but the raising of the rotating speed with compressor 2, compressor 2 are discharged
The temperature of refrigerant also raise accordingly, so as to cause the hydraulic performance decline of refrigerant and lubricating oil.
Above-mentioned in order to solve the problems, such as, 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 are used to introduce 9 condensed system of condenser
Cryogen, the outlet of the second pipeline 10 connects break-make may be selected with the import of the second by-passing parts 7, by condensed refrigerant
The air entry of compressor 2 is delivered to reduce the temperature of the refrigerant of 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 connects break-make may be selected.
In order to solve existing for prior art because of the distance between the outlet of exhaust outlet and discharge of compressor 2 difference
And the problem of causing the impact in discharge 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, two imports of the second converging component 11 outlet with two the first converging components 12 respectively, second confluxes
The outlet of part 11 connects 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, flow direction of multiple converging components along refrigerant are arranged to multistage.Two imports of the converging component of subordinate respectively with
The outlet of the converging component of two higher levels.Two imports of the converging component of most higher level row with two compressors 2 respectively
Gas port connects, and the outlet of the converging component of most subordinate connects 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 to be 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, each compressor 2 and corresponding condenser 9 form an independent refrigeration unit, 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 condensed 9 condensed refrigerant of device.
In the present embodiment, multiple compressors 2 are arranged side by side, per two neighboring compressor 2 to being provided with one second point
Stream unit 7 and first converging component 12, the exhaust outlet of two neighboring compressor 2 two with the first converging component 12 respectively
Inlet communication, the air entry of two neighboring compressor 2 two outlets with the second by-passing parts 7 respectively.
Compressor parallel unit is also including multiple gs-oil separators 13, each oil gas divide correspondingly with multiple compressors
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 are 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 the needs of compressor are met are big
It is big to reduce, therefore the installation site of gs-oil separator 13 is more flexible, advantageously allows the compressor parallel unit of the present embodiment
Structure it is compacter, contribute to reduce compressor parallel unit volume.
Compressor parallel unit also includes and multiple compressors multiple gas-liquid separation gas devices 14 correspondingly, each gas-liquid
The import of separation gas device 14 connects 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 the needs of compressor are met
Greatly reduce, therefore the installation site of gas-liquid separator 14 is more flexible, advantageously allows the compressor parallel machine of the present embodiment
The structure of group is compacter, helps to reduce the volume of compressor parallel unit.
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 connect 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 does not have the row for being arranged on 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 the
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 connects, and the 4th working hole of four-way valve connects with evaporator.
Exemplary embodiment of the present utility model is the foregoing is only, it is all in this reality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., it should be included in of the present utility model
Within protection domain.
Claims (14)
- A kind of 1. compressor parallel unit of air-conditioning system, it is characterised in that including：Refrigerant inlet (1), for introducing refrigerant to be compressed；Multiple compressors (2), the air entry of the compressor (2) connects with the refrigerant inlet (1), to be compressed to introduce Refrigerant；Refrigerant outlet (3), connect with the exhaust outlet of multiple compressors (2), compressed with output through the compressor (2) Refrigerant afterwards；AndMultiple valve groups, set correspondingly with the multiple compressor, 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/orSecond 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) The distance between the import is equal, and the import of first by-passing parts (6) connects with the refrigerant inlet (1)；With AndTwo the second by-passing parts (7), exported including an import and two, described the two of second by-passing parts (7) 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) connect 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) connects 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) The distance between the import of first pipeline (8) is equal.
- 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) compresses；AndSecond pipeline (10), its import are 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) connect 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 connects 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)；AndSecond 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) connect 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 multiple compressors multiple gs-oil separators (13) correspondingly, 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/orWith multiple compressors multiple gas-liquid separation gas devices (14) correspondingly, each gas-liquid separation gas device (14) Import connects 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152810A (en) * | 2017-06-27 | 2017-09-12 | 珠海格力电器股份有限公司 | Compressor parallel unit and the air-conditioning system with it |
| CN113503653A (en) * | 2021-08-04 | 2021-10-15 | 珠海格力电器股份有限公司 | Multi-compressor refrigeration system and air conditioner |
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2017
- 2017-06-27 CN CN201720753919.7U patent/CN206875747U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152810A (en) * | 2017-06-27 | 2017-09-12 | 珠海格力电器股份有限公司 | Compressor parallel unit and the air-conditioning system with it |
| CN113503653A (en) * | 2021-08-04 | 2021-10-15 | 珠海格力电器股份有限公司 | Multi-compressor refrigeration system and air conditioner |
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