CN109695917A - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
- Publication number
- CN109695917A CN109695917A CN201910111070.7A CN201910111070A CN109695917A CN 109695917 A CN109695917 A CN 109695917A CN 201910111070 A CN201910111070 A CN 201910111070A CN 109695917 A CN109695917 A CN 109695917A
- Authority
- CN
- China
- Prior art keywords
- air
- conditioning system
- heat exchanger
- indoor
- outdoor
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
Abstract
The present invention relates to a kind of air-conditioning system, air-conditioning system includes: outdoor unit, including outdoor heat exchanger (5)；Indoor unit, including the indoor heat exchanger (7) being connected to the outdoor heat exchanger (5)；And air-suspending centrifugal compressor (1), it is connected to the outdoor heat exchanger (5) and the indoor heat exchanger (7).It applies the technical scheme of the present invention, air-conditioning system uses air-suspending centrifugal compressor (1) compression refrigerant, air-conditioning system can reduce or cancel the lubricating oil in air-conditioning system, be easy the problem of being influenced by the lubricating oil in refrigerant so as to improve the heat exchange efficiency of air-conditioning system existing in the prior art.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of air-conditioning system.
Background technique
The variable-frequency multi-connection type air conditioner that the multiple rooms of existing commercialization and working environment use includes outdoor unit and at least two
Indoor unit, outdoor unit include frequency-changeable compressor, outdoor heat exchanger, outdoor fan, liquid pipe, tracheae and oil return pipe etc.；Indoor unit packet
Include indoor heat exchanger and indoor fan.Its frequency-changeable compressor all has lubricating oil, and lubricating oil enters heat exchanger with refrigerant circulation
In, become thermal resistance in the oil film that heating surface is formed, largely effects on the heat exchange efficiency of heat exchanger.Block combiner is in use, need
The oily equilibrium code of setting, keeps construction and installation cumbersome, and whole system and control program are more complicated, not only increase installation and exploitation
Cost, and increase maintenance cost, it is easy to cause compressor to burn again when controlling improper oil starvation.
Summary of the invention
The present invention is intended to provide a kind of air-conditioning system, to improve the heat exchange efficiency quilt of air-conditioning system existing in the prior art
The problem of lubricating oil of compressor discharge influences.
According to an aspect of an embodiment of the present invention, the present invention provides a kind of air-conditioning system, air-conditioning system includes:
Outdoor unit, including outdoor heat exchanger；
Indoor unit, including the indoor heat exchanger being connected to outdoor heat exchanger；And
Air-suspending centrifugal compressor is connected to outdoor heat exchanger and indoor heat exchanger.
Optionally, air-suspending centrifugal compressor includes:
Load bearing component；
Shaft is mounted on load bearing component by air bearing；And
Impeller is mounted in shaft, the refrigerant for accelerating to compress.
Optionally, indoor unit further includes for the humidifying part for indoor air-humidification.
Optionally, humidifying part:
Wet film；
Water supply pipe, for providing humidification water to wet film；And
Indoor fan, for making room air flow through indoor heat exchanger and wet film.
Optionally, air-conditioning system further includes for the fresh air channel to indoor offer outdoor air.
Optionally, air-conditioning system further includes the indoor fan for making room air flow through indoor heat exchanger, indoor fan
It is connected to fresh air channel, it is indoor for introducing outdoor air.
Optionally, indoor unit further includes the collecting part for collecting the condensed water of indoor heat exchanger generation, collecting part
It is connected to fresh air channel.
Optionally, air-conditioning system is also used to improve the oxygenation portion of the ratio of the oxygen in room air.
Optionally, oxygenation portion includes at least one of oxygen permeable membrane and nitrogen adsorption component, and the indoor fan of indoor unit is used
Oxygenation portion is flowed through in driving room air or outdoor air.
Optionally, oxygenation portion with for being connected to the fresh air channel of indoor offer outdoor air.
Optionally, indoor unit further includes dehumidification portion, and dehumidification portion includes:
Humidity Detection component, for detecting indoor humidity；
Valve is connected on the pipeline between outdoor heat exchanger and indoor heat exchanger；And
Controller, for opening valve when humidity is less than predetermined value.
Optionally,
Air-conditioning system includes at least two indoor heat exchangers, and at least two indoor heat exchangers are gentle outstanding with outdoor heat exchanger
The connection of flotation compressor；Or
Air-conditioning system include at least two air-suspending centrifugal compressors, at least two air-suspending centrifugal compressors with
Outdoor heat exchanger is connected to indoor heat exchanger.
It applies the technical scheme of the present invention, air-conditioning system uses air-suspending centrifugal compressor compression refrigerant, air-conditioning system
The lubricating oil in air-conditioning system can be reduced or be cancelled, is held so as to improve the heat exchange efficiency of air-conditioning system existing in the prior art
The problem of easily being influenced by the lubricating oil in refrigerant.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 shows the structural schematic diagram of the air-conditioning system of the first embodiment of the present invention；And
Fig. 2 shows the structural schematic diagrams of the air-conditioning system of the second embodiment of the present invention.
In figure:
1, air-suspending centrifugal compressor；2, oil eliminator；3, four-way valve；4, outdoor fan；5, outdoor heat exchanger；6,
One throttle part；7, outdoor heat exchanger；8, the second throttle part；9, indoor heat exchanger；10, gas-liquid separator.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 shows the structural schematic diagram of the air-conditioning system of one embodiment of the present of invention.As shown in connection with fig. 1, this implementation
The air-conditioning system of example includes the outdoor unit with outdoor heat exchanger 5, the indoor unit with indoor heat exchanger 7 and and outdoor heat exchange
The air-suspending centrifugal compressor 1 that device 5 is connected to indoor heat exchanger 7.
Air-conditioning system in cooling mode when, the compressed refrigerant of air-suspending centrifugal compressor 1 is delivered to outdoor heat exchange
Device 5, refrigerant is delivered to indoor heat exchanger 7 after the throttling of first throttle component 6 after condensing in outdoor heat exchanger 5, after throttling
Evaporation is to absorb indoor heat in heat exchanger 7 indoors for refrigerant, to be room temperature lowering.
Air-conditioning system further includes four-way valve 3, and four-way valve 3 includes being connected to the exhaust outlet of air-suspending centrifugal compressor 1
Import, the outlet being connected to the air entry of air-suspending centrifugal compressor 1, the first working hole being connected to outdoor heat exchanger 5 and
The second working hole being connected to indoor heat exchanger 7.
Air-conditioning system in cooling mode when, the import of four-way valve 3 is connected with the first working hole, the second work of four-way valve 3
Make mouth to be connected with the outlet of four-way valve 3, the compressed refrigerant of air-suspending centrifugal compressor 1 is delivered to outdoor through four-way valve 3 and changes
Hot device 5 condenses, and the refrigerant evaporated in heat exchanger 7 indoors is delivered to the air-breathing of air-suspending centrifugal compressor 1 through four-way valve 3
Mouthful.
Air-conditioning system in a heating mode when, the import of four-way valve 3 is connected with the second working hole, the first work of four-way valve 3
Make mouth to be connected with the outlet of four-way valve 3, the compressed refrigerant of air-suspending centrifugal compressor 1 is delivered to interior through four-way valve 3 and changes
Hot device 7, the interior condensation heat release of heat exchanger 7 indoors of compressed refrigerant is to heat indoor air, and condensed refrigerant is through first
In outdoor heat exchanger 5, condensed refrigerant evaporates in outdoor heat exchanger 5 absorbs outdoor air for conveying after throttle part 6 throttles
Heat, the refrigerant after evaporation returns to air-suspending centrifugal compressor 1 through four-way valve 3 and compressed again.
The air-conditioning system of the present embodiment uses air-suspending compressor 1, and air-suspending compressor 1 can be grown without lubricating oil
Time operates normally, therefore the lubricating oil in air-conditioning system can reduce in large quantities or cancel lubricating oil, to improve in the related technology
The heat exchange efficiency of air-conditioning system the problem of being affected by lubricating oil.
Fig. 2 shows another alternative embodiments of the application, and air-conditioning system remains a small amount of profit in the present embodiment
Lubricating oil for the valve like members of air-conditioning system to be lubricated.The heat exchange efficiency of heat exchanger is influenced in order to further improve lubricating oil
Volume problem, air-conditioning system further include oil eliminator 2, and oil eliminator 2 includes the outlet with air-suspending centrifugal compressor 1
Import, with the exhaust outlet of the inlet communication of four-way valve 3 and the oil extraction being connected to the air entry of air-suspending centrifugal compressor 1
Mouthful.
As shown in Figure 1, the air-conditioning system of the present embodiment further includes at least two air-suspending centrifugal compressors 1, at least two
The exhaust outlet of a air-suspending centrifugal compressor 1 inlet communication with four-way valve 3 respectively, at least two air-suspending centrifugal compresseds
The air entry of machine 1 outlet with four-way valve 3 respectively.The air entry of at least two air-suspending centrifugal compressors 1 respectively with
The outlet of four-way valve 3.
Air-conditioning system further includes being connected between the outlet of four-way valve 3 and the air entry of air-suspending centrifugal compressor 1
Gas-liquid separator 10.The air entry of at least two air-suspending centrifugal compressors 1 connects with the exhaust outlet of gas-liquid separator 10 respectively
It is logical.
Air-conditioning system includes multiple indoor heat exchangers 7 in parallel, and multiple indoor heat exchangers 7 connect with outdoor heat exchanger 5 respectively
It is logical, and multiple indoor heat exchangers 7 are connected to air-suspending centrifugal compressor 1 respectively.
Air-conditioning system includes the multiple branches being connected in parallel between outdoor heat exchanger 5 and air-suspending centrifugal compressor 1, multiple
Branch is arranged correspondingly with multiple indoor heat exchangers 7, and indoor heat exchanger 7 is located in corresponding branch.
Air-conditioning system further includes multiple second throttle parts 8 being arranged correspondingly with indoor heat exchanger 7, the second throttling
Component 8 is located in the branch at corresponding 7 place of indoor heat exchanger.
Air-suspending centrifugal compressor 1 include load bearing component, be mounted on by air bearing shaft on load bearing component and
The impeller being connected in shaft.Impeller is rotated with shaft to accelerate the refrigerant that need to be compressed, and air-suspending centrifugal compressor 1 further includes
Diffuser for the refrigerant after compression acceleration.
Outdoor unit further includes for the outdoor fan 4 through outdoor heat exchanger 5 that drives flow of outside air, and outdoor air flows through room
The refrigerant to circulate during external heat exchanger with outdoor heat exchanger 5 exchanges heat.
Outdoor heat exchanger 5 includes the pipe of circulation refrigerant and the fin that is connected to.The material of pipe includes copper and/or aluminium.Wing
The material of piece includes copper and/or aluminium.Optionally, outdoor heat exchanger includes micro-channel heat exchanger.Micro-channel heat exchanger material is aluminium.
Indoor unit further includes for the humidifying part for indoor air-humidification.Optionally, humidifying part includes wet film, mentions for wet film
Pipeline for humidification water and the indoor fan 9 that wet film is flowed through for air in drive chamber.Indoor fan 9 is also used to make Interior Space
Air-flow is through indoor heat exchanger 7, so that room air exchanges heat with indoor heat exchanger 7.
Air-conditioning system further includes the fresh air channel for indoor offer outdoor air.Optionally, indoor fan 9 and fresh air are logical
Road connection introduces outdoor air indoor.It is realized in drive chamber using indoor fan 9 and flows through indoor heat exchanger, outside drive chamber
Fresh air enters the room.
Indoor fan 9 is also used to guide outdoor air and/or room air into wet film.Specifically, the interior of air-conditioning system
Machine includes shell, and indoor fan is located in shell, and shell has the return air inlet and fresh air for introducing room air to be exchanged heat
The fresh wind port of channel connection and the air outlet of the air after output heat exchange.
Return air inlet and fresh wind port can be the inlet side for being located at indoor fan 9, and air outlet is located at the air side of indoor fan.Separately
Outer indoor fan 9 also guides wet film by room air and/or outdoor fresh air.Optionally, wet film is located at indoor heat exchanger 7 and room
Between inner blower 9 or it is located between indoor heat exchanger 7 and the air outlet of indoor unit.
Indoor unit further includes the collecting part for collecting the condensed water of the generation of indoor heat exchanger 7, collecting part and fresh air
Channel connection.The condensed water for outdoor air and the collecting part discharge that indoor unit introduces shares a channel, and outdoor air is new
Introducing can also be reduced while can exchanging heat in wind channel with condensed water to reduce temperature, therefore simplify the structure of indoor unit
The temperature of outdoor air.
Air-conditioning system further includes the oxygenation portion for improving the ratio of the oxygen in room air.Oxygenation portion includes oxygen permeable membrane
One of with nitrogen adsorption component.Indoor fan 9 is for driving room air or outdoor air to flow through oxygenation portion.
Optionally, oxygenation portion is connected to fresh air channel, so that the oxygen-containing ratio for the fresh air that indoor unit introduces increases.
Indoor unit further includes dehumidification portion, and dehumidification portion includes for detecting the Humidity Detection component of indoor humidity, being connected to
Valve and controller between outdoor heat exchanger and indoor heat exchanger, controller are used to open valve when humidity is less than predetermined value.
The air-conditioning system of the present embodiment uses air-suspending centrifugal compressor, is not necessarily to lubricating oil in refrigeration cycle, so as to
The heat exchange efficiency of heat exchanger is improved, and whether needs lubricating oil that can cancel oil return system and module according to the valve like members of actual use
Oil equalizing pipe when combination simplifies installation operation, simplifies refrigeration system and control program, easy to maintain.
It overcomes the operation of existing variable-frequency multi-connection type air conditioner band oil and declines the heat exchange efficiency of heat exchanger, refrigeration system and control
The defect of processing procedure sequence complexity is not had lubricating oil in refrigeration cycle, is changed so as to improve using oil-free gas suspension centrifugal compressor
The heat exchange efficiency of hot device simplifies installation operation, simplifies refrigeration system and control program, easy to maintain, reduces cost.
The foregoing is merely exemplary embodiment of the present invention, are not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of air-conditioning system characterized by comprising
Outdoor unit, including outdoor heat exchanger (5)；
Indoor unit, including the indoor heat exchanger (7) being connected to the outdoor heat exchanger (5)；And
Air-suspending centrifugal compressor (1) is connected to the outdoor heat exchanger (5) and the indoor heat exchanger (7).
2. air-conditioning system according to claim 1, which is characterized in that the air-suspending centrifugal compressor (1) includes:
Load bearing component；
Shaft is mounted on the load bearing component by air bearing；And
Impeller is mounted in the shaft, the refrigerant for accelerating to compress.
3. air-conditioning system according to claim 1, which is characterized in that the indoor unit further includes for adding for room air
Wet humidifying part.
4. air-conditioning system according to claim 3, which is characterized in that the humidifying part:
Wet film；
Water supply pipe, for providing humidification water to the wet film；And
Indoor fan (9), for making room air flow through the indoor heat exchanger (7) and the wet film.
5. air-conditioning system according to claim 1, which is characterized in that further include for the new of indoor offer outdoor air
Wind channel.
6. air-conditioning system according to claim 5, which is characterized in that further include for making room air flow through the interior
The indoor fan (9) of heat exchanger (7), the indoor fan (9) is connected to the fresh air channel, for outdoor air to be introduced room
It is interior.
7. air-conditioning system according to claim 5, which is characterized in that the indoor unit further includes for collecting the interior
The collecting part for the condensed water that heat exchanger (7) generates, the collecting part are connected to the fresh air channel.
8. air-conditioning system according to claim 1, which is characterized in that be also used to improve the ratio of the oxygen in room air
Oxygenation portion.
9. air-conditioning system according to claim 8, which is characterized in that the oxygenation portion includes oxygen permeable membrane and nitrogen adsorption portion
At least one of part, the indoor fan (9) of the indoor unit is for driving room air or outdoor air to flow through the oxygenation
Portion.
10. air-conditioning system according to claim 8, which is characterized in that the oxygenation portion with for outdoor to indoor offer
The fresh air channel of air is connected to.
11. air-conditioning system according to claim 1, which is characterized in that the indoor unit further includes dehumidification portion, the dehumidifying
Portion includes:
Humidity Detection component, for detecting indoor humidity；
Valve is connected on the pipeline between outdoor heat exchanger (5) and the indoor heat exchanger (7)；And
Controller, for opening the valve when the humidity is less than predetermined value.
12. air-conditioning system according to claim 1, which is characterized in that
The air-conditioning system includes at least two indoor heat exchangers (7), and at least two indoor heat exchangers (7) are changed with the outdoor
Hot device (5) is connected to the air-suspending centrifugal compressor (1)；Or
The air-conditioning system includes at least two air-suspending centrifugal compressors (1), at least two air-suspending centrifugation pressures
Contracting machine (1) is connected to the outdoor heat exchanger (5) and the indoor heat exchanger (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111070.7A CN109695917A (en) | 2019-02-12 | 2019-02-12 | Air-conditioning system |
| PCT/CN2019/091889 WO2020164213A1 (en) | 2019-02-12 | 2019-06-19 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111070.7A CN109695917A (en) | 2019-02-12 | 2019-02-12 | Air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109695917A true CN109695917A (en) | 2019-04-30 |
Family
ID=66233307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910111070.7A Pending CN109695917A (en) | 2019-02-12 | 2019-02-12 | Air-conditioning system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109695917A (en) |
| WO (1) | WO2020164213A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020164213A1 (en) * | 2019-02-12 | 2020-08-20 | 珠海格力电器股份有限公司 | Air conditioning system |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020164213A1 (en) | 2020-08-20 |
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