CN108488952A - A kind of VRF Air Conditioning System - Google Patents
A kind of VRF Air Conditioning System Download PDFInfo
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- CN108488952A CN108488952A CN201810244637.3A CN201810244637A CN108488952A CN 108488952 A CN108488952 A CN 108488952A CN 201810244637 A CN201810244637 A CN 201810244637A CN 108488952 A CN108488952 A CN 108488952A
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- Prior art keywords
- refrigerant
- heat exchanger
- exchanger tube
- cylinder
- air conditioning
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Classifications
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- 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
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- 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
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- 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
- F25B39/00—Evaporators; Condensers
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- 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
- F25B41/40—Fluid line arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of VRF Air Conditioning Systems, including outdoor unit modules；An at least indoor unit module；Refrigerant conveyor module, for conveying refrigerant between outdoor unit modules and indoor unit module；Isocon, refrigerant afflux heat exchanger tube including coolant distribution heat exchanger tube, for connecting the coolant distribution heat exchanger tube and indoor unit module and the header for connecting the refrigerant afflux heat exchanger tube and indoor unit module；Refrigerant control module, the cold medium flux for controlling the multiple isocon respectively.Refrigerant can form systemic circulation and partial circulating by outdoor heat exchanger relatively in the present invention, effectively improve the efficiency of set heat exchange, improve the working performance of unit entirety；Secondly, the cold medium flux of each outdoor unit is individually controlled by refrigerant control module, effectively avoid unnecessary energy waste, improve resource utilization, reduce energy consumption, realize energy conservation and environmental protection.
Description
Technical field
The invention belongs to air-conditioning technical fields, more particularly, to a kind of VRF Air Conditioning System.
Background technology
Multi-variable air conditioning unit is present widely applied air-conditioning system, this kind of air-conditioning system can be connected by an outdoor unit
More indoor units.But traditional multi-variable air conditioning unit usually connects indoor unit and outdoor unit, heat exchange efficiency by independent refrigerant pipe
It is low, influence the working performance of complete machine.Secondly, the cold medium flux regulating effect of each outdoor unit is poor, it is difficult to the refrigeration of corresponding outdoor unit
Demand is adjusted, and causes energy waste, the resource utilization of unit low.
Invention content
The present invention for overcome the deficiencies in the prior art, provides the multi-connected air conditioner that a kind of heat exchange efficiency is high, low energy consumption
Group.
To achieve the goals above, the present invention uses following technical scheme：A kind of VRF Air Conditioning System, including
Outdoor unit modules；
An at least indoor unit module；
Refrigerant conveyor module, for conveying refrigerant between outdoor unit modules and indoor unit module；Including coolant distribution heat exchanger tube,
For connecting the isocon of the coolant distribution heat exchanger tube and indoor unit module, refrigerant afflux heat exchanger tube and for connecting the refrigerant collection
Flow the header of heat exchanger tube and indoor unit module；
Refrigerant control module, the cold medium flux for controlling the multiple isocon respectively.
The setting that the present invention passes through coolant distribution heat exchanger tube and refrigerant afflux heat exchanger tube so that refrigerant can opposite outdoor heat exchange
Device forms systemic circulation, then by forming partial circulating between isocon and header and indoor heat exchanger, effectively improves set heat exchange
Efficiency, improve unit entirety working performance；Secondly, the refrigerant stream of each outdoor unit is individually controlled by refrigerant control module
Amount avoids the outdoor unit course of work according to the working efficiency of outdoor unit and the corresponding cold medium flux of refrigeration situation adjustment indoor unit
It is middle unnecessary energy waste occur, resource utilization is improved, realizes that energy consumption is minimum, realizes energy conservation and environmental protection；And unit operation model
It encloses extensively, the outdoor temperature of refrigerating operaton can be within the scope of 10-50 DEG C, and heating operation can be within the scope of -20-15 DEG C, unit operation
When refrigeration efficiency ratio reach 7.85, comprehensive energy efficiency is high, and energy-saving effect is notable.
Further, the outdoor unit modules include compressor, outdoor heat exchanger and flow-dividing control part；The outdoor heat exchange
Utensil has refrigerant inlet and refrigerant exit, which is connected with the coolant distribution heat exchanger tube, and refrigerant inlet passes through shunting
Control piece is connected with the compressor and refrigerant afflux heat exchanger tube respectively.
Further, the indoor unit module includes indoor heat exchanger and cooling blower, which has refrigerant
Input port and refrigerant delivery outlet, the refrigerant input port are connected with the isocon, and refrigerant delivery outlet is connected with the header.
Further, it includes cylinder oil eliminator described in oil eliminator to be equipped between the compressor and the outdoor heat exchanger
Body, the admission line set on cylinder side, the outlet pipe set on cylinder top, the outlet pipe set on cylinder lower part and one end
The throwing oil pipe line that the other end that is connected with the outlet pipe stretches in cylinder；The cylinder top is set to the first strainer, cylinder
Lower part is equipped with the second strainer；By throw oil pipe line setting, can realize the more preferable reflux to fluid so that more to oil can
It is back in cylinder by throwing oil pipe line, realizes the oil balance in compressor, and then reach good equal oily effect, ensure each pressure
Oil balance between contracting machine.
Further, the inner barrel is equipped with partition board, which is divided into first chamber and second chamber, described
Admission line is connected with the first chamber；The oil eliminator further includes the frizing for striking off the oil covered on the partition board
Device；Inner barrel is separated provided with partition board, and then gas is when entering in cylinder, first by the top of first chamber
First chamber bottom is moved to, then second chamber is moved to by first chamber bottom, is moved up to by second chamber bottom
Two chamber tops, then discharged by the outlet pipe on top；And then on the basis of not changing cylinder size, high degree
Gas is increased in cylinder inner body residence time, so that being realized during gas can flow in cylinder better
Cooling, the effect of Oil-gas Separation is more good, ensures that the fluid in gas can more be separated.
Further, the oil-scraping device include be set to partition board in rail cavity, can move up and down be set to rail cavity in
Movable part, be respectively arranged on partition board the wiper of upper and lower surface, the first magnetic force piece on movable part, be set in wiper with should
Matched second magnetic force piece of first magnetic force piece and for drive the movable part act driving part；Due to the presence of partition board,
Fluid may be more the setting for being attached on partition board, and then passing through oil-scraping device so that the oil being attached on partition board can
It is stripped off, avoids the attachment that fluid is excessive on partition board and make whole oil mass too small, influence the equal oily effect of integral device；And it can
It avoids what fluid adhered on partition board from generating grease too long, avoids impacting the purity of fluid, but also oil eliminator
Cleaning it is more easy, it is only necessary to good cleaning can be realized in simple rinse；Pass through the magnetic between the first, second magnetic force piece
Moving synchronously between the two is realized in power absorption, and then partition board is placed on the part of inner barrel it is not necessary that straight slot or track is arranged,
Fluid will not enter to diaphragm internal, and without on partition board straight slot or track be sealed processing, it is simple in structure, zero
Part less investment, difficulty of processing is low, high in machining efficiency；And under the magnetic force, it is ensured that the outer wall of wiper and partition board it is complete
Fitting ensures that the fluid on partition board can be struck off by wiper completely when moving, is realized to the fluid on partition board good
Cleaning.
Further, the driving part includes the shaft being set to outside cylinder, the steel wire rope being wound in shaft, is used for
The motor of drive shaft rotation, is set on locating piece for the steel wire rope locating piece for being removably connected to the rail cavity end
The limit block piece of the limit hole passed through and the movement locus set on shaft side for limiting the steel wire rope；The steel wire rope and institute
Movable part is stated to be connected；By the setting of locating piece, limit block piece, ensure that steel wire rope, can when shaft rotates and is unfolded outward
By pushing movable part downwards after the limitation of limit hole, and then realize the driving to movable part, it is simple in structure, it is multiple without setting
Miscellaneous drive mechanism only rolls tightly or unclamps the driving that can be realized to movable part by steel wire rope, on parts, not rapid wear
Bad, service life is long.
Further, the outdoor heat exchanger include side plate, heat exchanger tube, with the matched input header of the heat exchanger tube and
Export header, fin, refrigerant inlet and refrigerant outlet；The fin is equipped with the trepanning passed through for the heat exchanger tube,
Interference fit is realized between the heat exchanger tube and fin by the way of fluid expanded joint；When heat exchanger tube is tubule gauge structure, if
When exchanging heat pipe progress tube expansion operation using existing mechanical expanding mode, the diameter of expanding rod must also reduce, to its intensity
It reduces, easily fractures when carrying out tube expansion operation；And heat pipe is exchanged by the way of fluid expanded joint and carries out tube expansion operation, you can good
Good solves the problem above-mentioned；And process velocity is fast, work efficiency is high, can meet large-scale production and processing.
Further, the fin includes fin body and the hydrophilic layer that is adhered on fin body surface, the fin
Ontology is equipped with and the matched multiple coupling recess portions of the hydrophilic layer；The fin body is equipped between corresponding to adjacent two trepanning
Reinforce fluting；Hydrophilic layer setting can high degree raising fin hydrophilicity.
In conclusion the present invention has the following advantages：Refrigerant can form systemic circulation and partial circulating by outdoor heat exchanger relatively, have
Effect improves the efficiency of set heat exchange, improves the working performance of unit entirety；Secondly, it is individually controlled by refrigerant control module each
The cold medium flux of outdoor unit effectively avoids unnecessary energy waste, improves resource utilization, reduces energy consumption, realizes energy-saving ring
It protects.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of outdoor heat exchanger in the present invention.
Fig. 3 is the structural schematic diagram of oil eliminator in the present invention.
Fig. 4 is the partial schematic diagram in Fig. 3.
Fig. 5 is the structural schematic diagram of fin in the present invention.
Specific implementation mode
In order to make those skilled in the art be better understood from the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention carry out clear, complete description.
As shown in Figs. 1-5, a kind of VRF Air Conditioning System, including outdoor unit modules 1, at least an indoor unit module 2, refrigerant
Conveyor module 3 and refrigerant control module 4；The refrigerant conveyor module 3 is used between outdoor unit modules and indoor unit module
Refrigerant is conveyed, specifically includes coolant distribution heat exchanger tube 31, isocon 32, refrigerant afflux heat exchanger tube 33 and header 34, described point
32 one end of flow tube is connected with indoor unit module, and the other end is connected with coolant distribution heat exchanger tube 31；34 one end of the header and room
Interior machine module is connected, and the other end is connected with refrigerant afflux heat exchanger tube 33；The refrigerant control module 4, described in control respectively
The cold medium flux of multiple isocons；Specifically, the refrigerant control module 4 includes multiple expansion valves 41, these expansion valves 41 divide
Isocon that She Yu be not described is respectively provided with an expansion valve 41 on each isocon, and then controls the uninterrupted of isocon, institute
It is the expansion valve being directly commercially available on the market to state expansion valve 41, is repeated no more；Further, the outdoor unit modules 1 include
Compressor 11, outdoor heat exchanger and flow-dividing control part 13, the flow-dividing control part 13 are set on refrigerant afflux heat exchanger tube 33, are city
The four-way valve directly bought on face；The outdoor heat exchanger have refrigerant inlet and refrigerant exit, the refrigerant exit with it is described cold
Matchmaker shunt heat exchanger tube 31 be connected, refrigerant inlet by flow-dividing control part 13 respectively with the compressor 11 and refrigerant afflux heat exchanger tube
33 are connected；Specifically, 11 one end of the compressor is connected by pipeline with first import of flow-dividing control part 13, compressor 11
The other end is connected by pipeline with second import of flow-dividing control part 13, and the refrigerant afflux heat exchanger tube 33 is controlled with the shunting
The third import of product 13 is connected, and the refrigerant inlet is connected by pipeline with the 4th import of flow-dividing control part 13.
It is equipped with oil eliminator 8 between the compressor 11 and the outdoor heat exchanger, oil is avoided to enter to outdoor heat exchanger
It is interior；As shown in Figure 3-4, which includes cylinder 81, admission line 82, outlet pipe 83, outlet pipe 84 and throws oil
Pipeline 85,81 top of the cylinder are set to the first strainer 86, and 81 lower part of cylinder is equipped with the second strainer 87, first strainer 86 and the
Two strainers 87 are stainless steel filtering net, and second strainer 87 is preferably obliquely installed；The cylinder 81 is internally provided with stainless steel
The cylinder is divided into first chamber 812 and second chamber 813 by partition board 811, which is to be obliquely installed, partition board
811 upper ends are located at the position below the first strainer with cylinder inboard wall and are connected, and 811 lower end of partition board extends to the second strainer upper position
It sets, there are spacing, gas to flow to second chamber by the spacing between the second strainer；The admission line 82, outlet
Pipeline 83, throw oil pipe line 85 be pipeline made of stainless steel, the admission line 82 be set to cylinder lateral wall top, and with this first
Chamber 812 is connected；The outlet pipe 83 is set to cylinder top, and the bottom of outlet pipe 83 is penetrated to cylinder；The throwing
Oil pipe line 85 is set in cylinder, and one end other end that is connected with outlet pipe stretches in cylinder, can will be in outlet pipe 83
Fluid is drained in cylinder again；The outlet pipe 84 is set to cylinder lower part, and is connected with cylinder body bottom, second filter
Guard is in the junction of the two；Gas is entered by admission line in cylinder, then moves to second chamber by first chamber, is moved through
Cooling in journey, fluid is dropped to downwards at the second strainer, is discharged by outlet pipe after the second strainer filtering；Gas continue to
Upper flowing, to after the first screen location, fluid drips downwards after the first strainer filtering, and gas is discharged by outlet pipe, gas
During mobile in outlet pipe, the oil in gas cools down again, is flow back into cylinder by throwing oil-piping.
Since partition board is arranged below the first strainer, fluid will drop on partition board, so that oil has been covered on partition board,
So we are provided with the oil-scraping device for striking off the oil covered on the partition board 811；As shown in figure 4, the oil-scraping device
Include rail cavity 91 in partition board, the movable part 92 being set in rail cavity that can move up and down, wiper 93, be set to movable part
On the first magnetic force piece 94, with matched second magnetic force piece 95 of first magnetic force piece in wiper and for driving the activity
The driving part that part 92 acts；It preferably, can be by the directly hollow setting of partition board to form the rail cavity 91, the movable part
92 be a metal derby, and the wiper 93 is set as two, is respectively arranged in the upper and lower surface of partition board, and scraper plate is a metal strip；Institute
It is conventional magnet to state the first magnetic force piece 94 and the second magnetic force piece 95, which is embedded in movable part 92, and second
Magnetic force piece 95 is embedded in wiper 93, and then even if movable part not in direct contact is when moving between movable part and wiper
Wiper can be driven to move.
Further, the driving part includes the cover case 814 being set to outside cylinder, is rotatably threaded through on cover case
Shaft 96, steel wire rope 97, the motor for drive shaft rotation, locating piece 98, limit hole 981 and limit block piece 99, it is described
97 one end of steel wire rope is connected with shaft, and then can be wound in shaft, and the other end is connected with the movable part 92, and the motor is
It is directly commercially available on the market；The rail cavity end is connected to cylinder body outer wall and then forms an opening at cylinder body outer wall,
The locating piece 98 is made of metal, is removably attachable in the opening, preferably with opening snap-fit connection；The limit hole
981 are set on locating piece, and steel wire rope may pass through the limit hole 981 and enter in rail cavity；Preferably, on 981 inner wall of limit hole
It is bonded with rubber layer 982, the abrasion of steel wire rope can be reduced；The limit block piece 99 is the baffle for the arc being connected in case,
The outer diameter of the baffle is more than maximum outside diameter of the wire rope roll after, when shaft rotates backward so that when steel wire rope loosely goes out outward,
Limit block piece 99 can limit the movement locus of steel wire rope, ensure that steel wire rope contradicts on limit block piece 99, and then shaft
After being rotated further, steel wire rope can be penetrated constantly in rail cavity, and then movable part is pushed to move down, and wiper is driven to strike off on partition board
Oil；When movable part needs to move up, shaft rotates backward, and takes up steel wire rope, you can movable part is pulled to move up.
As shown in Fig. 2, the indoor unit module 2 includes indoor heat exchanger 21 and cooling blower 22, the indoor heat exchanger 21
With refrigerant input port and refrigerant delivery outlet, which is connected with the isocon 32, refrigerant delivery outlet and the collection
Flow tube 34 is connected, and refrigerant flows into indoor heat exchanger 21 by refrigerant input port, is flowed outwardly by refrigerant delivery outlet, realizes cycle；
Refrigerant described herein can be coolant etc., not do excessive restriction specifically；The cooling blower 22 is directly to purchase on the market
Available fan；Specifically, the outdoor heat exchanger includes side plate 51, heat exchanger tube 52 and the matched input of the heat exchanger tube
Header 53 and output header 54 and fin 55；The fin 55 is equipped with the trepanning 551 passed through for the heat exchanger tube, institute
It states and realizes interference fit between heat exchanger tube 52 and fin 55 by the way of fluid expanded joint, specially by the way of inflatable；Such as
Shown in Fig. 5, the fin 55 includes fin body 552 and the hydrophilic layer 553 being adhered on fin body surface, the hydrophilic layer
553 be the hydrophilic aluminium foil being directly commercially available on the market, is bonded in by glue in the both side surface of fin body 552；As
It is preferred that the fin body 552 be equipped with the matched multiple coupling recess portions 554 of the hydrophilic layer, which serves as reasons
552 1 side surface of fin body is recessed downwards the semi-circular recesses of formation；By the formation of the recess, can high degree raising
Firmness of the connection between hydrophilic layer and fin body avoids occurring after being used for a long time what detaching occurred in hydrophilic layer and fin body
Situation.
In order to enhance the intensity of the fin body 552, we the fin body 552 correspond to adjacent two trepanning it
Between be provided with and reinforce fluting 556, reinforcement fluting 556 is specially to be opened in strip gab grooves in fin body 552；Reinforce fluting
Setting can effectively enhance the overall structure of fin so that fin has certain hardness, when assembling fin with heat exchanger tube, more
For convenience；551 inner wall of the trepanning extends outward to form the extension 557 of tubular, further strengthens the fin body 552
Intensity；By the setting of extension, it can effectively enhance the overall structure of fin so that fin has certain hardness, is filling
It is more convenient when with fin with heat exchanger tube；And by the setting of extension, but also when assembling fin and heat exchanger tube, it is adjacent
It can have certain spacing between fin, multiple fins avoided to fit together, and for the position between adjacent two fin
It is more easy to adjust, and in the case where heat exchanger tube is needed across multi-disc fin, can quickly adjust the trepanning on multiple fins
The center of circle is on same straight line, and heat exchanger tube not will receive obstruction during grafting, and assembly is easy, and heat exchanger tube can once intert
Success improves processing efficiency；In order to facilitate the assembly of fin and heat exchanger tube, we are in 557 end set of extension expansion mouth
558, so that the expansion mouth becomes horn-like；Preferably, being spaced on its circumferencial direction of 558 upper edge of the expansion mouth equal
Even is equipped with multiple V-type open slots 559, avoids expansion mouth excessive tensile fin when being formed.
Obviously, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should all belong to the scope of protection of the invention.
Claims (9)
1. a kind of VRF Air Conditioning System, it is characterised in that：Including
Outdoor unit modules（1）；
An at least indoor unit module（2）；
Refrigerant conveyor module（3）, for conveying refrigerant between outdoor unit modules and indoor unit module；It exchanges heat including coolant distribution
Pipe（31）, for connecting the coolant distribution heat exchanger tube（31）With the isocon of indoor unit module（32）, refrigerant afflux heat exchanger tube
（33）And the header for connecting the refrigerant afflux heat exchanger tube and indoor unit module（34）；
Refrigerant control module（4）, the cold medium flux for controlling the multiple isocon respectively.
2. VRF Air Conditioning System according to claim 1, it is characterised in that：The outdoor unit modules（1）Including compression
Machine（11）, outdoor heat exchanger and flow-dividing control part（13）；The outdoor heat exchanger has refrigerant inlet and refrigerant exit, the refrigerant
Outlet and the coolant distribution heat exchanger tube（31）It is connected, refrigerant inlet passes through flow-dividing control part（13）Respectively with the compressor
（11）With refrigerant afflux heat exchanger tube（33）It is connected.
3. VRF Air Conditioning System according to claim 1, it is characterised in that：The indoor unit module（2）Including interior
Heat exchanger（21）And cooling blower（22）, the indoor heat exchanger（21）With refrigerant input port and refrigerant delivery outlet, the refrigerant is defeated
Entrance and the isocon（32）It is connected, refrigerant delivery outlet and the header（34）It is connected.
4. VRF Air Conditioning System according to claim 2, it is characterised in that：The compressor（11）It is changed with the outdoor
Oil eliminator is equipped between hot device（8）, which includes cylinder（81）, admission line set on cylinder side（82）, set
Outlet pipe in cylinder top（83）, outlet pipe set on cylinder lower part（84）And one end is connected separately with the outlet pipe
One end stretches to the throwing oil pipe line in cylinder（85）；The cylinder（81）Top is set to the first strainer（86）, cylinder（81）Lower part
Equipped with the second strainer（87）.
5. VRF Air Conditioning System according to claim 4, it is characterised in that：The cylinder（81）It is internally provided with partition board
（811）, which is divided into first chamber（812）And second chamber（813）, the admission line（82）With first chamber
Room（812）It is connected；The oil eliminator further includes for striking off the partition board（811）On cover oil oil-scraping device.
6. VRF Air Conditioning System according to claim 5, it is characterised in that：The oil-scraping device includes being set in partition board
Rail cavity（91）, can move up and down be set to rail cavity in movable part（92）, the upper and lower surface that is respectively arranged on partition board scrapes
Part（93）, the first magnetic force piece on movable part（94）, be set to wiper on and matched second magnetic force of first magnetic force piece
Part（95）And for driving the movable part（92）The driving part of action.
7. VRF Air Conditioning System according to claim 6, it is characterised in that：The driving part includes being set to outside cylinder
The shaft in portion（96）, the steel wire rope that is wound in shaft（97）, for drive shaft rotation motor, be removably connected to the rail
The locating piece of road chamber end（98）, on locating piece supply the steel wire penetrating limit hole（981）And it is set to shaft side
Limit block piece for the movement locus for limiting the steel wire rope（99）；The steel wire rope（97）With the movable part（92）It is connected.
8. VRF Air Conditioning System according to claim 2, it is characterised in that：The outdoor heat exchanger includes side plate
（51）, heat exchanger tube（52）And the matched input header of the heat exchanger tube（53）With output header（54）And fin（55）；
The fin（55）It is equipped with the trepanning passed through for the heat exchanger tube（551）, the heat exchanger tube（521）With fin（55）Between adopt
Interference fit is realized with the mode of fluid expanded joint.
9. VRF Air Conditioning System according to claim 8, it is characterised in that：The fin（55）Including fin body
（552）With the hydrophilic layer being adhered on fin body surface（553）；The fin body（552）It is equipped with and the hydrophilic layer phase
Multiple coupling recess portions of cooperation（554）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244637.3A CN108488952B (en) | 2018-03-23 | 2018-03-23 | A kind of VRF Air Conditioning System |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244637.3A CN108488952B (en) | 2018-03-23 | 2018-03-23 | A kind of VRF Air Conditioning System |
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| Publication Number | Publication Date |
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| CN108488952A true CN108488952A (en) | 2018-09-04 |
| CN108488952B CN108488952B (en) | 2019-03-08 |
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| CN201810244637.3A Active CN108488952B (en) | 2018-03-23 | 2018-03-23 | A kind of VRF Air Conditioning System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440489A (en) * | 2020-12-28 | 2022-05-06 | 中科广能能源研究院(重庆)有限公司 | Gas heat pump multi-connected unit air conditioning system and control method thereof |
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| CN114440489A (en) * | 2020-12-28 | 2022-05-06 | 中科广能能源研究院(重庆)有限公司 | Gas heat pump multi-connected unit air conditioning system and control method thereof |
| CN114440489B (en) * | 2020-12-28 | 2023-11-07 | 中科广能能源研究院(重庆)有限公司 | Air conditioning system of gas heat pump multi-unit and control method thereof |
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