CN109682105A - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
- Publication number
- CN109682105A CN109682105A CN201910111068.XA CN201910111068A CN109682105A CN 109682105 A CN109682105 A CN 109682105A CN 201910111068 A CN201910111068 A CN 201910111068A CN 109682105 A CN109682105 A CN 109682105A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- subcooler
- centrifugal compressor
- air
- conditioning system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 38
- 239000003507 refrigerant Substances 0.000 claims abstract description 47
- 238000007906 compression Methods 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims description 7
- 238000005119 centrifugation Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 10
- 230000003434 inspiratory effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000002207 thermal evaporation 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
-
- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/02—Subcoolers
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention relates to a kind of air-conditioning systems, comprising: indoor heat exchanger (1)；Outdoor heat exchanger (2)；Centrifugal compressor (3), including multi-stage compression chamber (31)；Subcooler (4), with the inlet communication of centrifugal compressor (3), for exchanging heat to the refrigerant from indoor heat exchanger (1) or outdoor heat exchanger (2), the refrigerant after exchanging heat is sent into centrifugal compressor (3)；With first throttle element (5), setting is in the upstream of subcooler (4), for throttling to the refrigerant for entering subcooler (4).The present invention passes through setting subcooler and first throttle element, draw part of refrigerant from indoor heat exchanger or outdoor heat exchanger to throttle by first throttle element, it exchanges heat subsequently into subcooler, refrigerant after heat exchange is sent into multistage centrifugal compressor, improve the inspiratory capacity of multistage centrifugal compressor, increase the acting of multistage centrifugal compressor, improves the cooling or heating capacity of multistage centrifugal compressor.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to a kind of air-conditioning systems.
Background technique
In recent years, freezed or heated using multi-online air-conditioning system in the place such as large-scale public place, multi-connected machine is empty
Adjusting system compared with traditional air-conditioning system, have it is energy saving, operating cost is low, unit adaptability is good, it is reliable for operation, refrigeration and
Heat the advantages that temperature range is wide, design freedom is high and easy for installation.But multi-online air-conditioning system is also deposited in the process of running
In some disadvantages:
1, attainable pressure ratio n≤4 of single stage compress institute of centrifugal compressor, pressure ratio is too small, air conditioner refrigerating/heating effect
Fruit is unobvious；
2, in low temperature environment, heat pump unit evaporating pressure is reduced, and causes compressor air suction specific volume to increase, the flow of refrigerant
It reduces, compressor dischargeable capacity is not fully utilized, and the heating capacity of unit is substantially decayed.
3, motor temperature rise is larger in compressor operational process, not only in this way to consume function more, but also delivery temperature is too high to pressure
The work of the components such as contracting machine bearing, casing is also unfavorable, influences compressor normal service life.
It should be noted that the information for being disclosed in background of invention part is merely intended to increase to totality of the invention
The understanding of background, and be not construed as recognizing or imply in any form the information constitute by those skilled in the art public affairs
The prior art known.
Summary of the invention
The purpose of the present invention is to propose to a kind of air-conditioning systems, to improve the cooling or heating capacity of multistage centrifugal compressor.
To achieve the above object, the present invention provides a kind of air-conditioning systems, comprising:
Indoor heat exchanger；
Outdoor heat exchanger；
Centrifugal compressor, including multi-stage compression chamber；
Subcooler, the inlet communication with centrifugal compressor, for the refrigeration from indoor heat exchanger or outdoor heat exchanger
Agent exchanges heat, and the refrigerant after exchanging heat is sent into centrifugal compressor；With
The upstream of subcooler is arranged in first throttle element, for throttling to the refrigerant for entering subcooler.
Optionally, subcooler is arranged between indoor heat exchanger and outdoor heat exchanger, and indoor heat exchanger and outdoor heat exchange
Device by the first branch of subcooler by being connected to, and the connecting line between indoor heat exchanger and subcooler is by passing through subcooler
Second branch be connected to compression chamber.
Optionally, every grade of compression chamber is connected to by individual connecting line with second branch respectively.
Optionally, the connecting pipeline of compression chamber and second branch is equipped with the first electromagnetism for adjusting through-flow flow
Valve.
Optionally, centrifugal compressor further includes motor and the motor chamber for storing motor, second branch and motor cavity
Room connection.
Optionally, the connecting pipeline between second branch and motor chamber is equipped with the second electricity for adjusting through-flow flow
Magnet valve.
Optionally, the inlet communication of motor chamber and centrifugal compressor.
Optionally, air-conditioning system further include the second restricting element being arranged between outdoor heat exchanger and subcooler and/or
Third restricting element between indoor heat exchanger and subcooler.
Optionally, air-conditioning system includes multiple indoor heat exchangers being connected in parallel.
Optionally, air-conditioning system further includes four-way valve, and four-way valve is for connecting indoor heat exchanger, outdoor heat exchanger, centrifugation
The import of compressor and the outlet of centrifugal compressor.
Based on the above-mentioned technical proposal, the present invention, can be from indoor heat exchanger by setting subcooler and first throttle element
Or draw part of refrigerant in outdoor heat exchanger and throttled by first throttle element, it exchanges heat, exchanges heat subsequently into subcooler
Refrigerant afterwards is sent into multistage centrifugal compressor, improves the inspiratory capacity of multistage centrifugal compressor, makes doing for multistage centrifugal compressor
Function increases, and improves the cooling or heating capacity of multistage centrifugal compressor.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of air-conditioning system one embodiment of the present invention.
Fig. 2 is refrigerant circulation schematic diagram of the air-conditioning system one embodiment of the present invention in refrigeration mode.
Fig. 3 is refrigerant circulation schematic diagram of the air-conditioning system one embodiment of the present invention in heating mode.
In figure:
1, indoor heat exchanger；2, outdoor heat exchanger；3, centrifugal compressor；31, compression chamber；32, motor chamber；4, it is subcooled
Device；5, first throttle element；6, the second restricting element；7, third restricting element；8, four-way valve；9, the first solenoid valve；10, second
Solenoid valve；11, vapour liquid separator.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the scope of the present invention.
As shown in Figure 1, the air-conditioning system includes indoor heat exchanger in one embodiment that the present invention provides air-conditioning system
1, outdoor heat exchanger 2, centrifugal compressor 3, subcooler 4 and first throttle element 5, centrifugal compressor 3 include multi-stage compression chamber
31, the inlet communication of subcooler 4 and centrifugal compressor 3, subcooler 4 is used for from indoor heat exchanger 1 or outdoor heat exchanger 2
Refrigerant exchanges heat, and the refrigerant after exchanging heat introduces centrifugal compressor 3, and subcooler 4 is arranged in first throttle element 5
Upstream, first throttle element 5 are used to throttle to the refrigerant for entering subcooler 4.
It in the above-described embodiments, can be from indoor heat exchanger 1 or outdoor by setting subcooler 4 and first throttle element 5
Draw part of refrigerant (usually as the heat exchanger of condenser) in heat exchanger 2 to throttle by first throttle element 5, so
Enter subcooler 4 afterwards to exchange heat, the refrigerant after heat exchange is sent into multistage centrifugal compressor 3, improves multistage centrifugal compressor 3
Inspiratory capacity increases the acting of multistage centrifugal compressor 3, improves the cooling or heating capacity of multistage centrifugal compressor 3.
In the above-described embodiments, centrifugal compressor 3 is the centrifugal compressor comprising multi-stage compression chamber, can be by high-pressure ratio
Classification degradation, reduces single-stage pressure ratio, convenient for controlling pressure ratio in optimal value, achievees the effect that air-conditioning fast-refrigerating and heating.
First throttle element 5 can be using electric expansion valve etc..
As shown in Figure 1, subcooler 4 is arranged between indoor heat exchanger 1 and outdoor heat exchanger 2, and indoor heat exchanger 1 and room
By being connected to by the first branch of subcooler 4, the connecting line between indoor heat exchanger 1 and subcooler 4 passes through external heat exchanger 2
It is connected to by the second branch of subcooler 4 with compression chamber 31.
Further, every grade of compression chamber 31 is connected to by individual connecting line with second branch respectively.It in this way can be with
The refrigerant attracted by second branch is respectively fed in every grade of compression chamber 31 of centrifugal compressor 3, realizes and improves every grade
The effect of the compression ratio of compression chamber 31, and then improve the overall compression ratio of multistage centrifugal compressor 3.
Optionally, the connecting pipeline of compression chamber 31 and second branch is equipped with the first electromagnetism for adjusting through-flow flow
Valve 9.Still optionally further, it is equipped on the connecting pipeline of every grade of compression chamber 31 and second branch for adjusting through-flow flow
First solenoid valve 9, may be implemented the independent control of every grade of compression chamber 31 in this way, can control every grade of feeding according to actual needs
The flow of compression chamber 31.
Optionally, centrifugal compressor 3 further includes motor and the motor chamber 32 for storing motor, second branch and motor
Chamber 32 is connected to.The benefit being arranged in this way is part of refrigerant can be sent into motor chamber 32, to motor chamber 32
Interior motor is cooled down, and avoids damaging the components such as the bearing of centrifugal compressor 3, casing since temperature is too high,
Influence the service life of centrifugal compressor 3.
Further, the connecting pipeline between second branch and motor chamber 32 is equipped with for adjusting through-flow flow
Two solenoid valves 10.By the way that second solenoid valve 10 is arranged, it can control according to actual needs and be sent into refrigerant into motor chamber 32
Flow.
Optionally, the inlet communication of motor chamber 32 and centrifugal compressor 3.It can make the system for being sent into motor chamber 32 in this way
Cryogen is re-fed into compression chamber 31 after cooling motor, and realization makes full use of.
Optionally, air-conditioning system further include the second restricting element 6 being arranged between outdoor heat exchanger 2 and subcooler 4 and/
Or the third restricting element 7 between indoor heat exchanger 1 and subcooler 4.
Second restricting element 6 and third restricting element 7 can be using electric expansion valves etc..
Optionally, air-conditioning system includes multiple indoor heat exchangers 1 being connected in parallel, and forms multi-online air-conditioning system.
Optionally, air-conditioning system further includes four-way valve 8, four-way valve 8 for connect indoor heat exchanger 1, outdoor heat exchanger 2,
The import of centrifugal compressor 3 and the outlet of centrifugal compressor 3.By the way that four-way valve 8 is arranged, air-conditioning system may be implemented in refrigeration mould
Switching between formula and heating mode.
The course of work of one embodiment of 1~3 pair of air-conditioning system of the present invention is illustrated with reference to the accompanying drawing:
As shown in Figure 1, air-conditioning system includes indoor heat exchanger 1, outdoor heat exchanger 2, centrifugal compressor 3, subcooler 4,
One restricting element 5, the second restricting element 6, third restricting element 7, four-way valve 8, the first solenoid valve 9, second solenoid valve 10 and vapour
Liquid/gas separator 11.
Indoor heat exchanger 1 includes four, and indoor heat exchanger 1 is connect with outdoor heat exchanger 2 by the first branch, the first branch
It is equipped with the second restricting element 6 and third restricting element 7, and subcooler 4 is also provided on the first leg.Third restricting element 7
Connecting line between subcooler 4 is connect by second branch with centrifugal compressor 3, and first throttle element 5 is arranged second
Branch road, one end of first throttle element 5 and connection, the other end of first throttle element 5 is connect with subcooler 4, through subcooler 4
It is connected to afterwards with the compression chamber 31 of centrifugal compressor 3 and motor chamber 32.Second branch passes through respectively with every grade of compression chamber 31
Independent connecting line connection, and the first solenoid valve 9 is equipped on every connecting line.Second branch also connects with motor chamber 32
Logical, connecting pipeline is equipped with second solenoid valve 10.Four-way valve 8 is connected to indoor heat exchanger 1, outdoor heat exchanger 2, centrifugal compressor 3
Import and centrifugal compressor 3 outlet.The upstream of centrifugal compressor 3 is additionally provided with vapour liquid separator 11, for being centrifuged to entrance
The refrigerant of compressor 3 carries out vapor-liquid separation.
As shown in Fig. 2, in cooling mode, the refrigerant come out from outdoor heat exchanger 2 (condenser) enters subcooler 4,
It is divided into two-way after coming out from subcooler 4, main road is refrigerating circuit, and branch is cooling motor and the branch to 31 jet of compression chamber
Road, this two-way refrigerant carry out heat exchange in subcooler 4.Main road refrigerant is fully cooled through subcooler 4, the supercooling of refrigerant
Degree improves, and heat exchanger 1 (evaporator) evaporation is entered the room after the decompression of third restricting element 7, then passes through four-way valve 8, vapour-liquid
Separator 11, which enters, carries out multi-stage compression process in centrifugal compressor 3.Since main road refrigerant is sufficiently subcooled through subcooler 4, because
Enthalpy difference between the import and export of this indoor heat exchanger 1 (evaporator) increases, and more heats can be absorbed from indoor environment, in turn
Room temperature is reduced, to improve refrigerating capacity.Branch refrigerant enters back into subcooler after 5 reducing pressure by regulating flow of first throttle element
4 carry out heat exchange evaporation, are divided into two branches after coming out from subcooler 4, enter motor chamber 32 all the way for cooling down motor, from electricity
The refrigerant that machine cavity room 32 comes out imports main road refrigerant, enters centrifugal compressor 3 through vapour liquid separator 11；Another way sprays into pressure
Contracting chamber 31, for controlling the capacity of centrifugal compressor 3 in the reasonable scope.System after 3 multi-stage compression of centrifugal compressor
Cryogen enters outdoor heat exchanger 2 (condenser) through four-way valve 8, thus constitutes complete refrigeration cycle.
As shown in figure 3, in a heating mode, the refrigerant come out after indoor heat exchanger 1 (condenser) heat release is divided into two
Road, main road refrigerant liquid are directly entered subcooler 4, and branch refrigerant entered back into after 5 reducing pressure by regulating flow of first throttle element
Cooler 4, this two parts refrigerant carry out heat exchange in subcooler 4.Main road refrigerant is further subcooled, through the second restricting element
Enter outdoor heat exchanger 2 (evaporator) after 6 decompressions, centrifugal compressor 3 is then entered by four-way valve 8 and vapour liquid separator 11.
Branch refrigerant is divided into two branches in 4 interior suction thermal evaporation of subcooler, wherein a branch enters motor chamber 32 for cooling down
Motor, reduce motor temperature rise, from motor chamber 32 come out refrigerant import main road refrigerant, through vapour liquid separator 11 enter from
Heart compressor 3；Another branch sprays into compression chamber 31 at different levels from the jet port of centrifugal compressor 3, controls delivery temperature reasonable
Within the scope of.Main road refrigerant and branch refrigerant mix in compression chamber 31, are discharged after multi-stage compression, through four-way valve 8
Heat exchanger 1 (condenser) is entered the room, closed air injection enthalpy-increasing heating circulation is thus constituted.It is acted on, is centrifuged by air injection enthalpy-increasing
The refrigerant suction amount of compressor 3 increases, and the acting of centrifugal compressor 3 increases, and the heat exchange amount of indoor heat exchanger (condenser) increases
Greatly, heating capacity significantly improves, and guarantees that low-temperature heating is unattenuated.Refrigerant spray into centrifugal compressor 3 middle pressure chamber room, and with pressure
The indoor former refrigerant of contracting chamber mixes, to reduce delivery temperature, ensures unit safety reliability service.
Pass through the explanation of multiple embodiments to air-conditioning system of the present invention, it can be seen that air-conditioning system embodiment of the present invention is extremely
Have the advantages that one or more of less:
1, using multi-stage compression, the low defect of ordinary single-stage compressibility pressure ratio is efficiently solved, high-pressure ratio is classified
Degradation, the pressure ratio control that every grade is compressed in the reasonable scope, guarantee system reliability service；
2, by air injection enthalpy-increasing, increase the refrigerant flow of centrifugal compressor, centrifugal compressor acting increases, refrigeration and
Heating capacity significantly improves；
3, motor can be made cooling by introducing refrigerant to motor chamber, reduces motor temperature rise, prevents motor temperature rise excessively high
And damage, the normal service life of centrifugal compressor is improved, centrifugal compressor reliability of operation is improved.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of air-conditioning system characterized by comprising
Indoor heat exchanger (1)；
Outdoor heat exchanger (2)；
Centrifugal compressor (3), including multi-stage compression chamber (31)；
Subcooler (4), the inlet communication with the centrifugal compressor (3), for from the indoor heat exchanger (1) or described
The refrigerant of outdoor heat exchanger (2) exchanges heat, and the refrigerant after exchanging heat is sent into the centrifugal compressor (3)；With
First throttle element (5), setting is in the upstream of the subcooler (4), for the refrigerant for entering the subcooler (4)
It throttles.
2. air-conditioning system according to claim 1, which is characterized in that subcooler (4) setting is in the indoor heat exchange
Between device (1) and the outdoor heat exchanger (2), and the indoor heat exchanger (1) and the outdoor heat exchanger (2) are by passing through institute
The first branch connection of subcooler (4) is stated, the connecting line between the indoor heat exchanger (1) and the subcooler (4) passes through
It is connected to by the second branch of the subcooler (4) with the compression chamber (31).
3. air-conditioning system according to claim 2, which is characterized in that every grade of compression chamber (31) is respectively by independent
Connecting line be connected to the second branch.
4. air-conditioning system according to claim 3, which is characterized in that the compression chamber (31) and the second branch
Connecting pipeline is equipped with the first solenoid valve (9) for adjusting through-flow flow.
5. air-conditioning system according to claim 2, which is characterized in that the centrifugal compressor (3) further includes motor and use
In the motor chamber (32) of storage motor, the second branch is connected to the motor chamber (32).
6. air-conditioning system according to claim 5, which is characterized in that the second branch and the motor chamber (32) it
Between connecting pipeline be equipped with second solenoid valve (10) for adjusting through-flow flow.
7. air-conditioning system according to claim 5, which is characterized in that the motor chamber (32) and the centrifugal compressor
(3) inlet communication.
8. air-conditioning system according to claim 1, which is characterized in that further include setting the outdoor heat exchanger (2) with
Between the second restricting element (6) and/or the indoor heat exchanger (1) and the subcooler (4) between the subcooler (4)
Third restricting element (7).
9. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system includes multiple institutes being connected in parallel
State indoor heat exchanger (1).
10. air-conditioning system according to claim 1, which is characterized in that further include four-way valve (8), the four-way valve (8) is used
It is pressed in connecting the indoor heat exchanger (1), the outdoor heat exchanger (2), the import of the centrifugal compressor (3) and the centrifugation
The outlet of contracting machine (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111068.XA CN109682105B (en) | 2019-02-12 | 2019-02-12 | Air Conditioning System |
| PCT/CN2019/091494 WO2020164210A1 (en) | 2019-02-12 | 2019-06-17 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111068.XA CN109682105B (en) | 2019-02-12 | 2019-02-12 | Air Conditioning System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109682105A true CN109682105A (en) | 2019-04-26 |
| CN109682105B CN109682105B (en) | 2024-04-09 |
Family
ID=66195633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910111068.XA Active CN109682105B (en) | 2019-02-12 | 2019-02-12 | Air Conditioning System |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109682105B (en) |
| WO (1) | WO2020164210A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020164210A1 (en) * | 2019-02-12 | 2020-08-20 | 珠海格力电器股份有限公司 | Air conditioning system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871699A (en) * | 2009-04-23 | 2010-10-27 | 珠海格力电器股份有限公司 | Air-conditioning system and method thereof for judging perfusion volume of refrigerant |
| CN104236155A (en) * | 2013-06-20 | 2014-12-24 | 青岛海尔空调电子有限公司 | Air conditioning system with coolant supercooling, defrosting and heating functions and control method thereof |
| CN104296413A (en) * | 2014-09-24 | 2015-01-21 | 广东欧科空调制冷有限公司 | Variable frequency low-temperature strong heat air conditioner system |
| CN204593944U (en) * | 2015-04-03 | 2015-08-26 | 广东美的暖通设备有限公司 | A kind of air conditioner outdoor unit system with supercooling apparatus |
| CN105004090A (en) * | 2015-07-09 | 2015-10-28 | 广东美的暖通设备有限公司 | Multi-split air-conditioning system and supercooling and enhanced vapor injection method thereof |
| CN106524558A (en) * | 2016-11-10 | 2017-03-22 | 青岛海尔中央空调有限公司 | Multi-split heat pump system based on three-stage centrifugal compressor |
| CN206831850U (en) * | 2017-05-12 | 2018-01-02 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN209524650U (en) * | 2019-02-12 | 2019-10-22 | 珠海格力电器股份有限公司 | Air-conditioning system |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK111690B (en) * | 1964-06-19 | 1968-09-30 | Sabroe T & Co As | Slider control valve for refrigeration compressors. |
| US3948060A (en) * | 1972-05-24 | 1976-04-06 | Andre Jean Gaspard | Air conditioning system particularly for producing refrigerated air |
| FR2365763A2 (en) * | 1972-05-24 | 1978-04-21 | Gaspard Andre | Multi-room air conditioning system - has automatic valve and capillary tube for each room evaporator |
| US4748820A (en) * | 1984-01-11 | 1988-06-07 | Copeland Corporation | Refrigeration system |
| JP2004020064A (en) * | 2002-06-18 | 2004-01-22 | Fujitsu General Ltd | Method for controlling multi-chamber type air conditioner |
| JP2004069213A (en) * | 2002-08-08 | 2004-03-04 | Fujitsu General Ltd | Control method of multi-chamber type air conditioner |
| JP2006207835A (en) * | 2002-10-24 | 2006-08-10 | Showa Denko Kk | Refrigerating system, compressing and heat-radiating apparatus and heat radiator |
| JP2009133585A (en) * | 2007-11-30 | 2009-06-18 | Daikin Ind Ltd | Refrigerating device |
| CN102692104A (en) * | 2011-03-25 | 2012-09-26 | 珠海格力电器股份有限公司 | Air conditioning system |
| JP5288020B1 (en) * | 2012-03-30 | 2013-09-11 | ダイキン工業株式会社 | Refrigeration equipment |
| JP6718240B2 (en) * | 2016-01-20 | 2020-07-08 | 三菱重工サーマルシステムズ株式会社 | Refrigeration cycle with multiple multi-stage compressors connected in parallel |
| ITUA20161513A1 (en) * | 2016-03-09 | 2017-09-09 | Nuovo Pignone Tecnologie Srl | MOTORCOMPRESSOR - INTEGRATED ESPANTOR |
| CN106382760B (en) * | 2016-08-31 | 2022-08-12 | 广东美芝制冷设备有限公司 | Compressor and refrigerating system with same |
| CN109682105B (en) * | 2019-02-12 | 2024-04-09 | 珠海格力电器股份有限公司 | Air Conditioning System |
-
2019
- 2019-02-12 CN CN201910111068.XA patent/CN109682105B/en active Active
- 2019-06-17 WO PCT/CN2019/091494 patent/WO2020164210A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871699A (en) * | 2009-04-23 | 2010-10-27 | 珠海格力电器股份有限公司 | Air-conditioning system and method thereof for judging perfusion volume of refrigerant |
| CN104236155A (en) * | 2013-06-20 | 2014-12-24 | 青岛海尔空调电子有限公司 | Air conditioning system with coolant supercooling, defrosting and heating functions and control method thereof |
| CN104296413A (en) * | 2014-09-24 | 2015-01-21 | 广东欧科空调制冷有限公司 | Variable frequency low-temperature strong heat air conditioner system |
| CN204593944U (en) * | 2015-04-03 | 2015-08-26 | 广东美的暖通设备有限公司 | A kind of air conditioner outdoor unit system with supercooling apparatus |
| CN105004090A (en) * | 2015-07-09 | 2015-10-28 | 广东美的暖通设备有限公司 | Multi-split air-conditioning system and supercooling and enhanced vapor injection method thereof |
| CN106524558A (en) * | 2016-11-10 | 2017-03-22 | 青岛海尔中央空调有限公司 | Multi-split heat pump system based on three-stage centrifugal compressor |
| CN206831850U (en) * | 2017-05-12 | 2018-01-02 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN209524650U (en) * | 2019-02-12 | 2019-10-22 | 珠海格力电器股份有限公司 | Air-conditioning system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020164210A1 (en) * | 2019-02-12 | 2020-08-20 | 珠海格力电器股份有限公司 | Air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020164210A1 (en) | 2020-08-20 |
| CN109682105B (en) | 2024-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015172612A1 (en) | Air conditioning system | |
| CN106247508B (en) | Using the air conditioner heat pump system, air conditioner and air-conditioner control method of injector | |
| CN106247654B (en) | The multi-functional multi-connected air conditioning system of two control of one kind and its control method | |
| CN108692478B (en) | The control method of air-conditioning system and air-conditioning system | |
| CN106403373A (en) | Heat pump system, control method and refrigerating unit | |
| CN103363717A (en) | Refrigerating system and operation method thereof | |
| CN104976813A (en) | Air conditioner | |
| CN109386985B (en) | Two-pipe jet enthalpy-increasing outdoor unit and multi-split system | |
| CN205619615U (en) | Multi -split air conditioning system | |
| CN108087238B (en) | Compressor and air conditioning system with same | |
| CN110107500A (en) | A kind of double-cylinder variable-capacity compressor system, transfiguration increasing enthalpy system and control method | |
| CN209524650U (en) | Air-conditioning system | |
| CN106225280A (en) | A kind of refrigeration or heat pump and a kind of Condensing units | |
| CN109405334A (en) | A kind of twin-stage high temperature condensing units heat pump system | |
| CN111442558B (en) | Temperature and humidity separately-controlled air conditioning system based on different evaporation temperatures of single machine and control method | |
| CN110986200B (en) | Fresh air dehumidification system and air conditioner | |
| CN109682105A (en) | Air-conditioning system | |
| CN101140111A (en) | Capacity adjustable cyclone compressor refrigeration system | |
| CN214841173U (en) | Hydraulic module of double-four-way valve multi-connected unit | |
| CN213119316U (en) | Air conditioning unit adopting throttle valve | |
| CN113390139A (en) | Carbon dioxide heat pump system | |
| CN211575589U (en) | Heat pump type air conditioning system | |
| CN114017941A (en) | Air conditioning system | |
| CN109682104B (en) | Refrigerant circulation system and air conditioner | |
| CN108444155B (en) | Air Conditioning System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |