CN106403346A - Refrigerant distributor and two-pipe heating recycling multi-split system - Google Patents
Refrigerant distributor and two-pipe heating recycling multi-split system Download PDFInfo
- Publication number
- CN106403346A CN106403346A CN201611030839.5A CN201611030839A CN106403346A CN 106403346 A CN106403346 A CN 106403346A CN 201611030839 A CN201611030839 A CN 201611030839A CN 106403346 A CN106403346 A CN 106403346A
- Authority
- CN
- China
- Prior art keywords
- machine
- air
- pipeline
- connecting line
- trachea
- 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
Links
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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor units
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The embodiment of the invention discloses a refrigerant distributor and a two-pipe heating recycling multi-split system. In the refrigerant distributor, an outdoor unit liquid pipe connecting pipeline communicates with a liquid pipe and a gas-liquid separator of an air conditioning outdoor unit or communicates with the liquid pipe and a third pipeline of the air conditioning outdoor unit; an outdoor unit air pipe connecting pipeline communicates with an air pipe and the gas-liquid separator of the air conditioning outdoor unit or communicates with the air pipe and the third pipeline of the air conditioning outdoor unit; an output air pipe of the gas-liquid separator is connected with a first pipeline, and an output liquid pipe of the gas-liquid separator is connected with a second pipeline; an indoor unit liquid pipe connecting pipeline communicates with the second pipeline and a liquid pipe of an air conditioning indoor unit; an indoor unit air pipe connecting pipeline communicates with an air pipe of the air conditioning indoor unit and the first pipeline or communicates with the air pipe of the air conditioning indoor unit and the third pipeline; and a two-way throttle device is connected between the second pipeline and the third pipeline in series. By adopting the refrigerant distributor provided by the embodiment of the invention, the two-pipe heating recycling multi-split system is realized, materials of copper tubes are saved, and the installation cost is reduced.
Description
Technical field
The present embodiments relate to air-conditioning technical field, more particularly, to a kind of coolant distributor and two pipes system heat recovery multiplex
Machine system.
Background technology
The different user of conventional multiple on-line system can only open refrigeration or the operational mode heating simultaneously, and heat recovery multiplex
Machine system is humanized, the demand can simultaneously meet different user refrigeration, heating, that is, allow a part of air-conditioning internal machine to open
Refrigeration mode, another part air-conditioning internal machine opens heating mode.
Current heat-reclamation multi-compressors system is mostly to adopt three control systems, has three companies between outer machine and interior machine
Adapter.
Compared with two pipes system heat-reclamation multi-compressors system, Three-pipe heat recovery multi-connected machine system structure is complicated, wastes copper pipe
Material, installation cost is higher.
Content of the invention
The embodiment of the present invention provides a kind of coolant distributor and two pipes system heat-reclamation multi-compressors system, to realize a kind of two pipes
Heat recovery multiple on-line system, save material, reduce installation cost.
In a first aspect, embodiments providing a kind of coolant distributor, this coolant distributor includes outer machine liquid pipe even
Adapter road, outer machine trachea connecting line, interior machine liquid pipe connecting line, interior machine trachea connecting line, the first pipeline, the second pipeline,
3rd pipeline, gas-liquid separator and bidirectional throttling device；
Described outer machine liquid pipe connecting line connects the liquid pipe of outdoor machine of air-conditioner and described gas-liquid separator, or, connect air-conditioning
The liquid pipe of outer machine and described 3rd pipeline；
Described outer machine trachea connecting line connects the trachea of outdoor machine of air-conditioner and described gas-liquid separator, or, connect described
The trachea of outdoor machine of air-conditioner and described 3rd pipeline；
The gas outlet tube of described gas-liquid separator connects described first pipeline, and the output liquid pipe of described gas-liquid separator connects
Described second pipeline；
Described interior machine liquid pipe connecting line connects the liquid pipe of described second pipeline and air-conditioning internal machine；
Described interior machine trachea connecting line connects the trachea of air-conditioning internal machine and described first pipeline, or, connect in air-conditioning
The trachea of machine and described 3rd pipeline；
Connect between described second pipeline and described 3rd pipeline described bidirectional throttling device.
Further, it is in series with the first three-way diverter valve in described outer machine liquid pipe connecting line；
The tie point of described first three-way diverter valve connects liquid pipe and the gas-liquid separator of outdoor machine of air-conditioner respectively, and described
Second branch road of one three-way diverter valve connects liquid pipe and the 3rd pipeline of outdoor machine of air-conditioner respectively.
Further, it is in series with the second three-way diverter valve in described outer machine trachea connecting line；
The tie point of described second three-way diverter valve connects trachea and the 3rd pipeline of outdoor machine of air-conditioner respectively, and described second
Second branch road of three-way diverter valve connects trachea and the gas-liquid separator of outdoor machine of air-conditioner respectively.
Further, it is in series with the first electric control valve in described second pipeline.
Further, described interior machine trachea connecting line includes two trachea branch roads, wherein one trachea branch road with described
First pipeline connects, and another article of trachea branch road is connected with described 3rd pipeline, is in series with the second electricity in described trachea branch road respectively
Control valve.
Further, described bidirectional throttling device includes electric expansion valve.
Second aspect, the embodiment of the present invention additionally provides a kind of two pipes system heat-reclamation multi-compressors system, and this system includes sky
Adjust outer machine and air-conditioning internal machine, also include coolant distributor provided in an embodiment of the present invention；
The outer machine liquid pipe connecting line of described coolant distributor is connected with the liquid pipe of described outdoor machine of air-conditioner, described coolant distribution
The outer machine trachea connecting line of device is connected with the trachea of described outdoor machine of air-conditioner；
The interior machine liquid pipe connecting line of described coolant distributor is connected with the liquid pipe of described air-conditioning internal machine, described coolant distribution
The interior machine trachea connecting line of device is connected with the trachea of described air-conditioning internal machine.
Further, described outdoor machine of air-conditioner includes the first outer machine heat exchanger and the second outer machine heat exchanger；
It is in parallel with the described first outer machine heat exchanger that described second outer machine heat exchanger passes through the 3rd electric control valve.
Further, described first outer machine heat exchanger passes through the outer machine liquid pipe of the 4th electric control valve and described coolant distributor
Connecting line connects.
Embodiments provide a kind of coolant distributor, system structure is simple, control accuracy high it is achieved that two pipes system
Heat-reclamation multi-compressors system, on the premise of ensureing user's comfortableness, unit reliability, has saved copper pipe material, has reduced peace
Dress up this.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing do one simply introduce it should be apparent that, drawings in the following description are some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, can also be obtained other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation of coolant distributor that the embodiment of the present invention one provides；
Fig. 2 is a kind of structural representation of two pipes system heat-reclamation multi-compressors system that the embodiment of the present invention two provides；
When Fig. 3 is that the two pipes system heat-reclamation multi-compressors system that the embodiment of the present invention three provides is in cooling operation mode, cold
Circulation in coolant distributor for the matchmaker flows to schematic diagram；
Fig. 4 is that the two pipes system heat-reclamation multi-compressors system that the embodiment of the present invention three provides is in main body cooling operation mode
When, circulation in coolant distributor for the coolant flows to schematic diagram；
When Fig. 5 is that the two pipes system heat-reclamation multi-compressors system that the embodiment of the present invention three provides is in heating operation mode, cold
Circulation in coolant distributor for the matchmaker flows to schematic diagram；
Fig. 6 is that the two pipes system heat-reclamation multi-compressors system that the embodiment of the present invention three provides is in main body heating operation mode
When, circulation in coolant distributor for the coolant flows to schematic diagram；
When Fig. 7 is that the two pipes system heat-reclamation multi-compressors system that the embodiment of the present invention three provides is in recuperation of heat operational mode,
Circulation in coolant distributor for the coolant flows to schematic diagram.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure is illustrate only in description, accompanying drawing.
Embodiment one
A kind of structural representation of coolant distributor that Fig. 1 provides for the embodiment of the present invention one.Referring to Fig. 1, this coolant divides
Orchestration includes：Outer machine liquid pipe connecting line 101, outer machine trachea connecting line 102, interior machine liquid pipe connecting line 103, interior machine trachea
Connecting line 104, the first pipeline 105, the second pipeline 106, the 3rd pipeline 107, gas-liquid separator 108 and bidirectional throttling device
109；Described outer machine liquid pipe connecting line 101 connects the liquid pipe of outdoor machine of air-conditioner and described gas-liquid separator 108, or, connect empty
Adjust the liquid pipe of outer machine and described 3rd pipeline 107；Described outer machine trachea connecting line 102 connect the trachea of outdoor machine of air-conditioner with described
Gas-liquid separator 108, or, connect the trachea of described outdoor machine of air-conditioner and described 3rd pipeline 107；Described gas-liquid separator 108
Gas outlet tube connect described first pipeline 105, the output liquid pipe of described gas-liquid separator connects described second pipeline 106；Institute
State the liquid pipe that interior machine liquid pipe connecting line 103 connects described second pipeline 106 and air-conditioning internal machine；Described interior machine trachea connecting line
The trachea of 104 connection air-conditioning internal machines and described first pipeline 105, or, connect the trachea of air-conditioning internal machine and described 3rd pipeline
107；Connect between described second pipeline 106 and described 3rd pipeline 107 described bidirectional throttling device 109.
Optionally, it is in series with the first three-way diverter valve 110, wherein, described first in described outer machine liquid pipe connecting line 101
The tie point of three-way diverter valve 110 connects liquid pipe and the gas-liquid separator 108 of outdoor machine of air-conditioner, described first triplet commutation respectively
Second branch road of valve 110 connects liquid pipe and the 3rd pipeline 107 of outdoor machine of air-conditioner respectively.Realized described by the first three-way valve 110
Outer machine liquid pipe connecting line 101 connects the liquid pipe of outdoor machine of air-conditioner and described gas-liquid separator 108, or, connect outdoor machine of air-conditioner
Liquid pipe and described 3rd pipeline 107, and then, reach the effect changing flow direction in coolant distributor 108 for the coolant.When the one or three
When the tie point of logical reversal valve 110 is opened, connect liquid pipe and the gas-liquid separator 108 of outdoor machine of air-conditioner, make coolant pass through outer machine
Liquid pipe connecting line 101 flows to gas-liquid separator 108, when the second branch road of the first three-way diverter valve 110 is opened, connects air-conditioning
The liquid pipe of outer machine and the 3rd pipeline 107, make refrigerant circulation between outer machine liquid pipe connecting line 101 and the 3rd pipeline 107.
Optionally, it is in series with the second three-way diverter valve 111, wherein, described second in described outer machine trachea connecting line 102
The tie point of three-way diverter valve 111 connects trachea and the 3rd pipeline 107 of outdoor machine of air-conditioner, described second three-way diverter valve respectively
111 the second branch road connects the trachea of outdoor machine of air-conditioner respectively and gas-liquid separator 108 is realized outside described by the second three-way valve 111
Machine trachea connecting line connects the trachea of outdoor machine of air-conditioner and described gas-liquid separator, or, connect trachea and the institute of outdoor machine of air-conditioner
State the 3rd pipeline, and then, reach the effect changing flow direction in coolant distributor for the coolant.When the second three-way diverter valve 111
When tie point is opened, connect trachea and the 3rd pipeline 107 of outdoor machine of air-conditioner, make refrigerant circulation in outer machine trachea connecting line
102 and the 3rd between pipeline 107, and when the second branch road of the second three-way diverter valve 111 is opened, the trachea connecting outdoor machine of air-conditioner is gentle
Liquid/gas separator 108, makes coolant pass through outer machine trachea connecting line 102 and flows to gas-liquid separator 108.
It should be noted that multiple first three-way diverter valves 110 of can connecting in described outer machine liquid pipe connecting line 101,
Can connect in described outer machine trachea connecting line 102 multiple second three-way diverter valves 111, can be according to coolant distributor work
Real needs arrange the number of the first three-way diverter valve 110 and the second three-way diverter valve 111, and the embodiment of the present invention is to the first threeway
The number of reversal valve 110 and the second three-way diverter valve 111 and species are not construed as limiting.
In the present embodiment, gas-liquid separator 108 is used for gaseous coolant and liquid refrigerants being carried out separate, gas-liquid separator
108 include an input pipe, an output liquid pipe and a gas outlet tube.Wherein, the input pipe of gas-liquid separator 108 and outer machine
Liquid pipe connecting line 101 and outer machine trachea connecting line 102 connect, and make coolant by outer machine liquid pipe connecting line 101 or outer machine
Trachea connecting line 102 flows into gas-liquid separator 108, and the output liquid pipe of gas-liquid separator 108 is connected 106 with the second pipeline, makes
Coolant carry out through gas-liquid separator 108 liquid portion after gas-liquid separation flow into the second pipeline 106, gas-liquid separator 108 defeated
Enter trachea to be connected with the first pipeline 105, make coolant carry out the gas part after gas-liquid separation through gas-liquid separator 108 and flow into first
Pipeline 105.
In the present embodiment, an interior machine liquid pipe connecting line 103 and an interior machine trachea connecting line are at least included
104, wherein, described interior machine trachea connecting line 104 includes two trachea branch roads, wherein one trachea branch road and described first pipe
Road 105 connects, and another article of trachea branch road is connected with described 3rd pipeline 107, is in series with the second electricity in described trachea branch road respectively
Control valve 113.Stream in two trachea branch roads for the coolant is controlled according to the opening and closing state of the second electric control valve 113
Road.Wherein, also it is in series with the first electric control valve 112 in the second pipeline, for connecting gas-liquid separation when being in opening
Device 108 and the second pipeline 106, control coolant to flow to second pipe through the liquid portion that gas-liquid separator 108 is carried out after gas-liquid separation
Road 106.It should be noted that the first electric control valve 112 and the second electric control valve 113 can be electromagnetic valves or electronic
Valve, and the quantity of the first electric control valve 112 and the second electric control valve 113 is not limited.
In the present embodiment, the second pipeline 106 is mainly used in the bidirectional throttling device 109 connected between the 3rd pipeline 107
Reducing pressure by regulating flow is carried out to coolant.Optionally, described bidirectional throttling device 109 includes electric expansion valve.Exemplary, the electricity of employing
Sub- expansion valve can be electromagnetic type expansion valve, by applying the side that the signal of telecommunication controls on the solenoid of electromagnetic type expansion valve
Formula, adjusts the flow that coolant passes through electromagnetic type expansion valve.Using electric expansion valve can also be electrodynamic type expansion valve, this enforcement
Example does not limit to this.
Coolant distributor provided in an embodiment of the present invention, system structure is simple, and control accuracy is high it is achieved that two pipes system heat is returned
Receive multiple on-line system, on the premise of ensureing user's comfortableness, unit reliability, saved copper pipe material, reduced and be mounted to
This.
Embodiment two
A kind of structural representation of two pipes system heat-reclamation multi-compressors system that Fig. 2 provides for the embodiment of the present invention two.Referring to
Fig. 2, this system includes outdoor machine of air-conditioner 200 and air-conditioning internal machine 300, also includes coolant distributor 100 provided in an embodiment of the present invention；
The outer machine liquid pipe connecting line of described coolant distributor 100 is connected with the liquid pipe of described outdoor machine of air-conditioner 200, described coolant distributor
100 outer machine trachea connecting line is connected with the trachea of described outdoor machine of air-conditioner 200；The interior machine liquid pipe of described coolant distributor 100
Connecting line is connected with the liquid pipe of described air-conditioning internal machine 300, the interior machine trachea connecting line of described coolant distributor 100 with described
The trachea of air-conditioning internal machine 300 connects.
In the present embodiment, outdoor machine of air-conditioner 200 includes cross valve 210, system gas-liquid separator 220 and compressor 230, also
Including the first outer machine heat exchanger 250 and the second outer machine heat exchanger 240, wherein, described second outer machine heat exchanger 250 passes through the 3rd electricity
Control valve in parallel with the described first outer machine heat exchanger 250, described first outer machine heat exchanger 250 by the 4th electric control valve with described
The outer machine liquid pipe connecting line of coolant distributor 100 connects；Described system gas-liquid separator 220 and described compressor 230 pass through
The tie point of cross valve 210 or the second branch road are connected on outer machine liquid pipe connecting line in described coolant distributor 100 and outer
Between machine trachea connecting line.First outer machine heat exchanger 250 is different with the heat exchange area size of the second outer machine heat exchanger 240, passes through
3rd electric control valve and the 4th electric control valve can adjust control and make the first outer machine heat exchanger 250 and the second outer machine heat exchanger 240
Work respectively, or both work, and realize heat exchange area size adjustable simultaneously.It should be noted that the 3rd electric control valve and the 4th
Electric control valve can be electromagnetic valve or electrodynamic valve, and the quantity of the 3rd electric control valve and the 4th electric control valve is not done
Limit.Exemplary, as shown in Fig. 2 the quantity of the 3rd electric control valve is two, it is the 3rd electric control valve 260a and the 3rd respectively
Electric control valve 260b, the quantity of the 4th electric control valve is two, is the 4th electric control valve 270a and the 4th electric control valve respectively
270b.System gas-liquid separator 220 and compressor 230 are connected on the outer machine liquid pipe connecting line of coolant distributor 100 and outer machine
Between trachea connecting line, make coolant after system gas-liquid separator 220 carries out gas-liquid separation, gas therein is partially into pressure
Contracting machine 230, liquid portion therein is saved in system gas-liquid separator 220.This is because the compression ratio very little of liquid, if
Draws fluid refrigeration compressor 230, is easily damaged the valve block of compressor 230 or even the power part of compressor 230.System gas-liquid
The effect of separator 220 is exactly to allow liquid coolant can not enter compressor 230 easily, but stored, plays protection pressure
The effect of contracting machine 230.
Air-conditioning internal machine 300 in the two pipes system heat-reclamation multi-compressors system that the present embodiment provides includes interior machine heat exchanger
310, interior machine heat exchanger 310 is connected on outer in interior machine trachea connecting line and the coolant distributor 100 in coolant distributor 100
Between machine trachea connecting line.Optionally, interior machine heat exchanger 310 be connected on by least one the 5th electric control valve 320 described cold
Between the outer machine trachea connecting line in interior machine trachea connecting line and coolant distributor 100 in matchmaker's allotter 100.Wherein,
Five electric control valves 320 can be electric expansion valve, and the present embodiment does not limit to the classification of the 5th electric control valve 320 and number
Fixed.
The embodiment of the present invention, by playing the coolant distributor of coolant distributional effects it is achieved that two pipes between air-conditioning internal-external machine
Heat recovery multiple on-line system, on the premise of ensureing user's comfortableness, unit reliability, saved copper pipe material, reduced
Installation cost, in addition, by two heat exchangers in parallel in outdoor machine of air-conditioner it is achieved that the size of heat exchange area is adjustable.
Embodiment three
Two pipes system heat-reclamation multi-compressors system includes five kinds of operational modes, respectively freezes, main body is freezed, heats, main body
Heat and recuperation of heat.When the air-conditioning internal machine of all starts is all refrigeration mode, heat recovery system is in the operational mode of refrigeration；
It is refrigeration mode when the air-conditioning internal machine of start has some, other is heating mode, wherein the air-conditioning internal machine refrigerating capacity of refrigeration
During more than the heating capacity of air-conditioning internal machine heating, heat recovery system is in the operational mode of main body refrigeration；Sky when all starts
When in tune, machine is all heating mode, heat recovery system is in the operational mode heating；It is system when the air-conditioning internal machine of start has some
Chill formula, other is heating mode, when the air-conditioning internal machine heating capacity wherein heating is more than the refrigerating capacity of machine in refrigeration air-conditioner,
Heat recovery system is in the operational mode that main body heats；It is refrigeration mode when the air-conditioning internal machine of start has some, other is
Heating mode, when the air-conditioning internal machine heating capacity wherein heating is equal to the refrigerating capacity of machine in refrigeration air-conditioner, heat recovery system is in heat
The operational mode reclaiming.
When Fig. 3 is in cooling operation mode for two pipes system heat-reclamation multi-compressors system, coolant is in two pipes system heat recovery multiplex
The circulation in coolant distributor in machine system flows to schematic diagram.Exemplary, two pipes system heat-reclamation multi-compressors system comprises 3
Air-conditioning internal machine, it should be noted that 3 air-conditioning internal machines in the present embodiment are a specific example, rather than the limit to this
Fixed.When heat recovery system is in cooling operation mode, that is, (interior machine liquid pipe connecting line 303A is corresponding to be connected 3 air-conditioning internal machines
Air-conditioning internal machine, the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 303B, interior machine liquid pipe connecting line 303C corresponding even
The air-conditioning internal machine connecing) all freeze, the second electric control valve (313a, 313c, 313e) is opened.From outer machine liquid pipe connecting line 301
The tie point through the first three-way valve 310 for the high-pressure liquid coolant flowing out flows in the gas-liquid separator 308 of coolant distributor.Open
Open the first electric control valve 312, connect output liquid pipe and second pipeline 306 of gas-liquid separator 308, make gas-liquid separator 308 bottom
Portion's liquid refrigerants flows out to the second pipeline 306 from the output liquid pipe of gas-liquid separator 308, after through interior machine liquid pipe connecting line
The air-conditioning internal machine of (303A, 303B, 303C) flow direction refrigeration is (the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 303A, interior
The corresponding air-conditioning internal machine connecting of machine liquid pipe connecting line 303B, the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 303C),
Liquid refrigerants absorbs heat in air-conditioning internal machine liquid pipe throttling and evaporation.Low pressure refrigerant is through the second electric control valve (313a, 313c, 313e) from system
(the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 303A, interior machine liquid pipe connecting line 303B are corresponding even for cold air-conditioning internal machine
The corresponding air-conditioning internal machine connecting of the air-conditioning internal machine that connects, interior machine liquid pipe connecting line 303C) trachea is flowed into interior machine trachea connecting tube
Road (304A, 304B, 304C), and converge to the 3rd pipeline 307, and the tie point through the second three-way valve 311 flows to outer machine gas
Pipe connected pipe road 302.
In the operational mode of refrigeration, as shown in Fig. 2 the 3rd electric control valve 260a opens, the 3rd electric control valve 260b beats
Open, the 4th electric control valve 270b opens, the 4th electric control valve 270a closes.Outer pusher side in two pipes system heat-reclamation multi-compressors system
Coolant flow and be：From the outer machine trachea connecting line of coolant distributor 100 flow out low-pressure gaseous coolant through cross valve 210
Carry out gas-liquid separation, the low-pressure gaseous coolant isolated is changed into after compressor 230 compression in entrance system gas-liquid separator 220
High pressure gaseous coolant, after enter in the first outer machine heat exchanger 250 and the second outer machine heat exchanger 240 through cross valve 210, quilt
It is condensed into High Temperature High Pressure subcooled liquid, this liquid flows in the outer machine liquid pipe connecting line of coolant distributor 100 afterwards.
When Fig. 4 is in main body cooling operation mode for two pipes system heat-reclamation multi-compressors system, coolant is in two pipes system recuperation of heat
The circulation in coolant distributor in multiple on-line system flows to schematic diagram.In two pipes system heat-reclamation multi-compressors system, interior machine liquid pipe
The corresponding air-conditioning internal machine refrigeration connecting of the corresponding air-conditioning internal machine connecting of connecting line 403A, interior machine liquid pipe connecting line 403B, interior
The corresponding air-conditioning internal machine connecting of machine liquid pipe connecting line 403C heats, and the second electric control valve (413a, 413c, 413f) is opened.From
The tie point through the first three-way valve 410 for the high-pressure gas-liquid two phase coolant that outer machine liquid pipe connecting line 401 flows out is entered coolant and is divided
In the gas-liquid separator 408 of orchestration.Open the first electric control valve 412, connect output liquid pipe and the second pipe of gas-liquid separator 408
Road 406, makes gas-liquid separator 408 bottom liquid refrigerants flow out to the second pipeline 406 from the output liquid pipe of gas-liquid separator 408,
The liquid refrigerants of the second pipeline 406 flow to machine in refrigeration air-conditioner (the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 403A,
The corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 403B) heat absorption of liquid pipe throttling and evaporation.High-pressure gaseous refrigerant is divided through gas-liquid
From device 408 gas outlet tube flow into the first pipeline 405, after through the second electric control valve 413f from interior machine trachea connecting line 404C
Flow to air-conditioning internal machine (the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 403C) the trachea condensation heat release heating.Low pressure cold
Matchmaker machine (the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 403A, interior machine liquid pipe connecting line 403B in refrigeration air-conditioner
The corresponding air-conditioning internal machine connecting) trachea flows out to interior machine trachea connecting line (404A, 404B), and through the second electric control valve
(413a, 413c) converges to the 3rd pipeline 407, and the tie point through the second three-way valve 411 flows back to outer machine trachea connecting line
402.The liquid refrigerants of elevated pressures machine (corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 403C) in cooling/heating air conditioner
Liquid pipe flows out to interior machine liquid pipe connecting line 403C, and flows to second pipe road 406.
In the operational mode of main body refrigeration, as shown in Fig. 2 the 4th electric control valve 270b opens, the 3rd electric control valve
260a closes, and the 3rd electric control valve 260b closes, and the 4th electric control valve 270a closes.In two pipes system heat-reclamation multi-compressors system
The coolant of outer pusher side flows and is：The gas-liquid two-phase state coolant flowing out from the outer machine trachea connecting line of coolant distributor 100 is through four
Port valve 210 enters in system gas-liquid separator 220 and carries out gas-liquid separation, and the low-pressure gaseous coolant isolated is pressed through compressor 230
Be changed into high pressure gaseous coolant after contracting, after through cross valve 210 enter the first outer machine heat exchanger 250 in, be condensed into high temperature
High-pressure sub-cooled liquid, in the outer machine liquid pipe connecting line of the coolant distributor 100 of this liquid inflow afterwards.
When Fig. 5 is in heating operation mode for two pipes system heat-reclamation multi-compressors system, coolant is in two pipes system heat recovery multiplex
The circulation in coolant distributor in machine system flows to schematic diagram.Air-conditioning internal machine in two pipes system heat-reclamation multi-compressors system is (interior
Machine liquid pipe connecting line 503A corresponds to the air-conditioning internal machine connecting, interior machine liquid pipe connecting line 503B corresponds to the air-conditioning internal machine connecting,
The corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 503C) all heat, the second electric control valve (513b, 513d, 513f)
Open.The second branch road through the second three-way valve 511 for the high-pressure gaseous refrigerant flowing out from outer machine trachea connecting line 502 flows to gas-liquid
Separator 508, afterwards the gas outlet tube from gas-liquid separator 508 be flowed into the first pipeline 505, after through the second electric control valve
(513b, 513d, 513f) flows to machine in cooling/heating air conditioner from interior machine trachea connecting line (504A, 504B, 504C), and (interior machine liquid pipe is even
The corresponding air-conditioning internal machine connecting of adapter road 503A, the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 503B, interior machine liquid pipe
The corresponding air-conditioning internal machine connecting of connecting line 503C) trachea condensation heat release.The liquid refrigerants of elevated pressures machine in cooling/heating air conditioner
(in the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 503A, the corresponding air-conditioning connecting of interior machine liquid pipe connecting line 503B
The corresponding air-conditioning internal machine connecting of machine, interior machine liquid pipe connecting line 503C) liquid pipe flow in machine liquid pipe connecting line (503A, 503B,
503C), and merge in the second pipeline 506, it is low-pressure gas-liquid two phase through the further reducing pressure by regulating flow of bidirectional throttling device 509 after
Coolant flows to the 3rd pipeline 507, flows back to outer machine liquid pipe connecting line 501 by the second branch road of the first three-way valve 510.
In the operational mode heating, as shown in Fig. 2 the 3rd electric control valve 260a opens, the 3rd electric control valve 260b beats
Open, the 4th electric control valve 270b opens, the 4th electric control valve 270a closes.Outer pusher side in two pipes system heat-reclamation multi-compressors system
Coolant flow and be：The low-pressure gas-liquid two phase coolant flowing out from the machine liquid pipe connecting line of coolant distributor 100 enters first
In outer machine heat exchanger 250 and the second outer machine heat exchanger 240, after evaporation endothermic, enter system gas-liquid separator 220 through cross valve 210
Inside carry out gas-liquid separation, the low-pressure gaseous coolant isolated is changed into high pressure gaseous coolant after compressor 230 compression, afterwards
Enter in the outer machine trachea connecting line of coolant distributor 100 through cross valve 210.
When Fig. 6 is in main body heating operation mode for two pipes system heat-reclamation multi-compressors system, coolant is in two pipes system recuperation of heat
The circulation in coolant distributor in multiple on-line system flows to schematic diagram.In two pipes system heat-reclamation multi-compressors system, interior machine liquid pipe
The corresponding air-conditioning internal machine connecting of connecting line 603A, the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 603B heat, interior
The corresponding air-conditioning internal machine refrigeration connecting of machine liquid pipe connecting line 603C, the second electric control valve (613b, 613d, 613e) is opened.From
Second branch road through the second three-way valve 611 for the high-pressure gaseous refrigerant that outer machine trachea connecting line 602 flows out flows to gas-liquid separator
608, flow into the first pipeline 605 from the gas outlet tube of gas-liquid separator 608 afterwards, and through the second electric control valve (613b, 613d)
(interior machine liquid pipe connecting line 603A corresponds to connection to flow to machine in cooling/heating air conditioner from interior machine trachea connecting line (604A, 604B)
The corresponding air-conditioning internal machine connecting of air-conditioning internal machine, interior machine liquid pipe connecting line 603B) trachea condensation heat release.The liquid of elevated pressures is cold
Matchmaker flows out to interior machine liquid pipe connecting line (603A, 603B) from heating interior machine liquid pipe, and merges in the second pipeline 606.Second pipe
The high-pressure liquid coolant part on road 606 is low-pressure gas-liquid two phase coolant through the further reducing pressure by regulating flow of bidirectional throttling device 609
Stream, and flow to the 3rd pipeline 607, another part flows to (the interior machine liquid pipe of machine in refrigeration air-conditioner through interior machine liquid pipe connecting line 603C
The corresponding air-conditioning internal machine connecting of connecting line 603C) liquid pipe.Low pressure refrigerant machine (interior machine liquid pipe connecting line in refrigeration air-conditioner
The corresponding air-conditioning internal machine connecting of 603C) trachea is flowed into interior machine trachea connecting line 604C, and converge through the second electric control valve 613e
Close the 3rd pipeline 607.Second branch road through the first three-way valve 610 for the low pressure refrigerant of the 3rd pipeline 607 flows back to outer machine liquid pipe even
Adapter road 601.
In the operational mode that main body heats, as shown in Fig. 2 the 4th electric control valve 270b opens, the 3rd electric control valve
260a closes, and the 3rd electric control valve 260b closes, and the 4th electric control valve 270a closes.In two pipes system heat-reclamation multi-compressors system
The coolant of outer pusher side flows and is：The low-pressure gas-liquid two phase coolant flowing out from the machine liquid pipe connecting line of coolant distributor 100 enters
Enter in the first outer machine heat exchanger 250, divide through carrying out gas-liquid in cross valve 210 entrance system gas-liquid separator 220 after evaporation endothermic
Be changed into high pressure gaseous coolant from, the low-pressure gaseous coolant isolated after compressor 230 compression, after through cross valve 210
Enter in the outer machine trachea connecting line of coolant distributor 100.
When Fig. 7 is in recuperation of heat operational mode for two pipes system heat-reclamation multi-compressors system, coolant is many in two pipes system recuperation of heat
The circulation in coolant distributor in on-line system flows to schematic diagram.In two pipes system heat-reclamation multi-compressors system, interior machine liquid pipe is even
The corresponding air-conditioning internal machine connecting of adapter road 603A heats, the corresponding air-conditioning internal machine refrigeration connecting of interior machine liquid pipe connecting line 603C,
The corresponding air-conditioning internal machine shutdown connecting of interior machine liquid pipe connecting line 603B, the second electric control valve (713b, 713e) is opened.From outer machine
Second branch road through the second three-way valve 711 for the high-pressure gaseous refrigerant that trachea connecting line 702 flows out flows to gas-liquid separator 708,
Flow into the first pipeline 705 from the gas outlet tube of gas-liquid separator 708 afterwards, and through the second electric control valve 713b by interior machine trachea even
Adapter road 704A flows to machine in cooling/heating air conditioner (the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 603A) trachea condensation and puts
Heat.The liquid refrigerants of elevated pressures machine (the corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 603A) liquid in cooling/heating air conditioner
Pipe flows out to interior machine liquid pipe connecting line 703A, and merges in the second pipeline 706.The high-pressure liquid coolant one of the second pipeline 706
Part is low-pressure gas-liquid two phase coolant stream through the further reducing pressure by regulating flow of bidirectional throttling device 709, and flows to the 3rd pipeline 707,
Another part flows to machine in refrigeration air-conditioner through interior machine liquid pipe connecting line 703C, and (interior machine liquid pipe connecting line 603C corresponds to connection
Air-conditioning internal machine) liquid pipe.Low pressure refrigerant machine (corresponding air-conditioning internal machine connecting of interior machine liquid pipe connecting line 603C) in refrigeration air-conditioner
Trachea is flowed into interior machine trachea connecting line 704C, and converges to the 3rd pipeline 707 through the second electric control valve 713e.3rd pipeline
Second branch road through the first three-way valve 710 for 707 low pressure refrigerant flows back to outer machine liquid pipe connecting line 701.
In the operational mode of recuperation of heat, as shown in Fig. 2 the 4th electric control valve 270a opens, the 3rd electric control valve 260a
Close, the 3rd electric control valve 260b closes, the 4th electric control valve 270b closes.Outer machine in two pipes system heat-reclamation multi-compressors system
The coolant of side flows and is：I.e. coolant is without the flowing of the first outer machine heat exchanger 250 and the second outer machine heat exchanger 240, cross valve
210 switches are consistent with refrigeration mode and main body refrigeration.The low pressure gas flowing out from the machine trachea connecting line of coolant distributor 100
State coolant enters in system gas-liquid separator 220 through cross valve 210 and carries out gas-liquid separation, and the low-pressure gaseous coolant isolated is through pressure
Contracting machine 230 compression after be changed into high pressure gaseous coolant, after through cross valve 210 enter coolant distributor 100 outer machine liquid pipe company
In adapter road.
The technical scheme that the present embodiment provides is it is achieved that the refrigeration of two pipes system heat-reclamation multi-compressors system, main body are freezed, made
Heat, main body heat and five kinds of operational modes of recuperation of heat, and system structure is simple, and control accuracy is high.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (9)
1. a kind of coolant distributor is it is characterised in that include：Outer machine liquid pipe connecting line, outer machine trachea connecting line, interior machine liquid
Pipe connected pipe road, interior machine trachea connecting line, the first pipeline, the second pipeline, the 3rd pipeline, gas-liquid separator and bidirectional throttle dress
Put；
Described outer machine liquid pipe connecting line connects the liquid pipe of outdoor machine of air-conditioner and described gas-liquid separator, or, connect outdoor machine of air-conditioner
Liquid pipe and described 3rd pipeline；
Described outer machine trachea connecting line connects the trachea of outdoor machine of air-conditioner and described gas-liquid separator, or, connect described air-conditioning
The trachea of outer machine and described 3rd pipeline；
The gas outlet tube of described gas-liquid separator connects described first pipeline, and the output liquid pipe connection of described gas-liquid separator is described
Second pipeline；
Described interior machine liquid pipe connecting line connects the liquid pipe of described second pipeline and air-conditioning internal machine；
Described interior machine trachea connecting line connects the trachea of air-conditioning internal machine and described first pipeline, or, connect air-conditioning internal machine
Trachea and described 3rd pipeline；
Connect between described second pipeline and described 3rd pipeline described bidirectional throttling device.
2. coolant distributor according to claim 1 is it is characterised in that be in series with described outer machine liquid pipe connecting line
One three-way diverter valve；
The tie point of described first three-way diverter valve connects liquid pipe and the gas-liquid separator of outdoor machine of air-conditioner respectively, and the described 1st
Second branch road of logical reversal valve connects liquid pipe and the 3rd pipeline of outdoor machine of air-conditioner respectively.
3. coolant distributor according to claim 1 is it is characterised in that be in series with described outer machine trachea connecting line
Two three-way diverter valves；
The tie point of described second three-way diverter valve connects trachea and the 3rd pipeline of outdoor machine of air-conditioner, described second threeway respectively
Second branch road of reversal valve connects trachea and the gas-liquid separator of outdoor machine of air-conditioner respectively.
4. coolant distributor according to claim 1 is it is characterised in that be in series with the first electrically-controlled valve in described second pipeline
Door.
5. coolant distributor according to claim 1 is it is characterised in that described interior machine trachea connecting line includes two gas
Pipe branch road, wherein one trachea branch road is connected with described first pipeline, and another article of trachea branch road is connected with described 3rd pipeline, institute
State and in trachea branch road, be in series with the second electric control valve respectively.
6. coolant distributor according to claim 1 is it is characterised in that described bidirectional throttling device includes electronic expansion
Valve.
7. a kind of two pipes system heat-reclamation multi-compressors system, including outdoor machine of air-conditioner and air-conditioning internal machine it is characterised in that also including as power
Profit requires the coolant distributor any one of 1～6；
The outer machine liquid pipe connecting line of described coolant distributor is connected with the liquid pipe of described outdoor machine of air-conditioner, described coolant distributor
Outer machine trachea connecting line is connected with the trachea of described outdoor machine of air-conditioner；
The interior machine liquid pipe connecting line of described coolant distributor is connected with the liquid pipe of described air-conditioning internal machine, described coolant distributor
Interior machine trachea connecting line is connected with the trachea of described air-conditioning internal machine.
8. system according to claim 7 is it is characterised in that described outdoor machine of air-conditioner includes the first outer machine heat exchanger and second
Outer machine heat exchanger；
It is in parallel with the described first outer machine heat exchanger that described second outer machine heat exchanger passes through the 3rd electric control valve.
9. system according to claim 8 it is characterised in that described first outer machine heat exchanger pass through the 4th electric control valve with
The outer machine liquid pipe connecting line of described coolant distributor connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030839.5A CN106403346A (en) | 2016-11-16 | 2016-11-16 | Refrigerant distributor and two-pipe heating recycling multi-split system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030839.5A CN106403346A (en) | 2016-11-16 | 2016-11-16 | Refrigerant distributor and two-pipe heating recycling multi-split system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106403346A true CN106403346A (en) | 2017-02-15 |
Family
ID=58082145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611030839.5A Pending CN106403346A (en) | 2016-11-16 | 2016-11-16 | Refrigerant distributor and two-pipe heating recycling multi-split system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403346A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192045A (en) * | 2017-06-26 | 2017-09-22 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN109237645A (en) * | 2018-11-07 | 2019-01-18 | 珠海格力电器股份有限公司 | Air-conditioning system and its control method |
| CN109386987A (en) * | 2018-10-22 | 2019-02-26 | 广东美的暖通设备有限公司 | Two pipes system heat-reclamation multi-compressors system and its air-conditioner outdoor unit |
| CN109916043A (en) * | 2019-02-02 | 2019-06-21 | 广东美的暖通设备有限公司 | The control method and air-conditioning system of pattern switching |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990086071A (en) * | 1998-05-25 | 1999-12-15 | 구자홍 | Refrigerant control device and method of multi-room air conditioner |
| CN2591494Y (en) * | 2002-06-29 | 2003-12-10 | 海尔集团公司 | Heat recovery device for multiple-air conditioner system |
| CN104748429A (en) * | 2015-03-31 | 2015-07-01 | 广东美的暖通设备有限公司 | Multiple on-line system |
| CN206362010U (en) * | 2016-11-16 | 2017-07-28 | 珠海格力电器股份有限公司 | Coolant distributor and two pipes system heat-reclamation multi-compressors system |
-
2016
- 2016-11-16 CN CN201611030839.5A patent/CN106403346A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990086071A (en) * | 1998-05-25 | 1999-12-15 | 구자홍 | Refrigerant control device and method of multi-room air conditioner |
| CN2591494Y (en) * | 2002-06-29 | 2003-12-10 | 海尔集团公司 | Heat recovery device for multiple-air conditioner system |
| CN104748429A (en) * | 2015-03-31 | 2015-07-01 | 广东美的暖通设备有限公司 | Multiple on-line system |
| CN206362010U (en) * | 2016-11-16 | 2017-07-28 | 珠海格力电器股份有限公司 | Coolant distributor and two pipes system heat-reclamation multi-compressors system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192045A (en) * | 2017-06-26 | 2017-09-22 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN109386987A (en) * | 2018-10-22 | 2019-02-26 | 广东美的暖通设备有限公司 | Two pipes system heat-reclamation multi-compressors system and its air-conditioner outdoor unit |
| CN109237645A (en) * | 2018-11-07 | 2019-01-18 | 珠海格力电器股份有限公司 | Air-conditioning system and its control method |
| CN109237645B (en) * | 2018-11-07 | 2024-04-23 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN109916043A (en) * | 2019-02-02 | 2019-06-21 | 广东美的暖通设备有限公司 | The control method and air-conditioning system of pattern switching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0496505B1 (en) | Air-conditioning system | |
| CN106403346A (en) | Refrigerant distributor and two-pipe heating recycling multi-split system | |
| US10393418B2 (en) | Air-conditioning apparatus | |
| KR20150074640A (en) | An air conditioning system and a method for controlling the same | |
| CN206944520U (en) | A kind of refrigeration system | |
| CN109373533A (en) | Adjusting method, regulating device, multi-line system and computer readable storage medium | |
| CN109386909A (en) | Outdoor unit, method for controlling oil return and air conditioner | |
| CN106871343B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| CN206676353U (en) | Air-conditioning system | |
| KR100569554B1 (en) | Heat source unit of air conditioner and air conditioner | |
| CN106524339A (en) | Air conditioning energy saving system and method and air conditioner | |
| CN105485766A (en) | Air-conditioning system | |
| CN106871344B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| US20150168037A1 (en) | Air-conditioning apparatus | |
| CN206362010U (en) | Coolant distributor and two pipes system heat-reclamation multi-compressors system | |
| CN107560213A (en) | Air-conditioning system and air-conditioning | |
| JP2002061992A (en) | Air conditioner | |
| CN106765688B (en) | Outdoor unit of heat recovery multi-split air conditioner system and heat recovery multi-split air conditioner system with outdoor unit | |
| CN109357429A (en) | A kind of heat-reclamation multi-compressors cool-warm switching device, multi-connected machine and control method | |
| KR20140125141A (en) | An air conditioning system | |
| CN106801981B (en) | A kind of control method of air-conditioning, device and air-conditioning | |
| CN208952458U (en) | A kind of defrosting air conditioner | |
| CN208952328U (en) | Air-conditioning control equipment and air-conditioning | |
| JPH06147677A (en) | Air conditioner | |
| JP2601052B2 (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
|
| RJ01 | Rejection of invention patent application after publication |