CN106556175A - Air-conditioning system and air-conditioning - Google Patents
Air-conditioning system and air-conditioning Download PDFInfo
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- CN106556175A CN106556175A CN201611056259.3A CN201611056259A CN106556175A CN 106556175 A CN106556175 A CN 106556175A CN 201611056259 A CN201611056259 A CN 201611056259A CN 106556175 A CN106556175 A CN 106556175A
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- Prior art keywords
- heat exchanger
- air
- refrigerant
- valve port
- compressor
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Classifications
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- 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)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides a kind of air-conditioning system and air-conditioning, wherein, a kind of air-conditioning system, including：Compressor, cross valve, indoor heat exchanger, outdoor heat exchanger and throttling arrangement, the first valve port of cross valve are connected with compressor, and the second valve port of cross valve is connected with indoor heat exchanger, and the 3rd valve port of cross valve is connected with outdoor heat exchanger, is also included：Supplementary heat exchanger, is connected with outdoor heat exchanger；Flash vessel, is connected with supplementary heat exchanger, is connected with compressor.By technical scheme, the effect of air injection enthalpy-increasing is improve, while the degree of supercooling of system can be improved, strengthens the exchange capability of heat of unit, improve air-conditioning system due to the hypodynamic problem of heat-energy transducer caused by low temperature, so as to improve the heat transfer effect of whole air-conditioning system.
Description
Technical field
The present invention relates to household electrical appliance technical field, in particular to a kind of air-conditioning system and a kind of air-conditioning.
Background technology
With the improvement of people's living standards and the enhancing of awareness of saving energy, with its energy-conservation, control is flexible, easily installs for air-conditioning
The features such as with safeguarding, vast average family is come into, and has increasingly been widely applied.However, under low-temperature condition, due to
Evaporating temperature is caused the heat that refrigerant is absorbed from air to substantially reduce, heats effect than relatively low, the factor such as easy frosting of evaporimeter
Fruit is deteriorated, and affects the using effect of user, often results in the complaint of client.
Therefore, a kind of air-conditioning system how is designed, so as to improve air-conditioning system due to exchange capability of heat deficiency caused by low temperature
Become technical problem urgently to be resolved hurrily.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
For this purpose, it is an object of the present invention to proposing a kind of air-conditioning system.
Further object is that proposing a kind of air-conditioning.
For achieving the above object, technical scheme according to the first aspect of the invention, a kind of air-conditioning system, including：Compression
Machine, cross valve, indoor heat exchanger, outdoor heat exchanger and throttling arrangement, the first valve port of cross valve are connected with compressor, cross valve
The second valve port be connected with indoor heat exchanger, the 3rd valve port of cross valve is connected with outdoor heat exchanger, is also included：Auxiliary heat-exchanging
Device, is connected with outdoor heat exchanger；Flash vessel, is connected with supplementary heat exchanger, is connected with compressor.
The refrigerant for being ejected into compressor is separated into gas by flash vessel by the air-conditioning system of technology according to the present invention scheme
State refrigerant and liquid refrigerants, act in conjunction with supplementary heat exchanger, improve the effect of air injection enthalpy-increasing, while system can be improved
Degree of supercooling, strengthens the exchange capability of heat of unit, improves air-conditioning system due to the hypodynamic problem of heat-energy transducer caused by low temperature, so as to carry
The heat transfer effect of high whole air-conditioning system.
The air-conditioning system of above-mentioned technical proposal of the invention, can also have following technical characteristic：
According to above-mentioned technical proposal of the present invention, it is preferable that also include：Gas-liquid separator, the entrance of gas-liquid separator and four
4th valve port of port valve is connected, and the outlet of gas-liquid separator is connected with the second air inlet of compressor, refrigerant by cross valve the
Four valve ports flow through gas-liquid separator, flow in compressor.
In the technical scheme, refrigerant enters gas-liquid separator by the 4th valve port of cross valve, by gas-liquid separator stream
Into compressor, compress so as to be absorbed by compressor, it is to avoid liquid refrigerants is directly entered compressor and caused compressor is damaged
Bad problem.
According to above-mentioned technical proposal of the present invention, it is preferable that also include：The 4th mouthful of supplementary heat exchanger the with cross valve the 4th
Valve port is connected；Or the 4th mouthful of supplementary heat exchanger is connected with the outlet of gas-liquid separator, refrigerant flows to gas-liquid point by the 4th mouthful
From the outlet of device, the part refrigerant that the outlet with gas-liquid separator is discharged carries out mixed flow to compressor.
In the technical scheme, the 4th valve port of cross valve is connected with the entrance of gas-liquid separator, as pressure is acted on, cold
Liquid refrigerants is isolated by the entrance that matchmaker flows to gas-liquid separator by the 4th mouthful of supplementary heat exchanger by gas-liquid separator
Come, then gaseous coolant is flowed in compressor, gaseous coolant can strengthen the jeting effect of compressor, improve compressor
Whole capability.Or in cooling mode, can select the 4th mouthful of outlet directly with gas-liquid separator of supplementary heat exchanger
It is connected, the outlet that gaseous coolant flows directly to gas-liquid separator by the 4th mouthful, the gaseous state that the outlet with gas-liquid separator is discharged
Refrigerant carries out mixed flow to compressor.So as to mitigate the loss of gas-liquid separator, the life-span of gas-liquid separator is extended.
A technical scheme of the invention, it is preferable that also include：First pipeline, connects the first of supplementary heat exchanger
Mouthful with the exhaust outlet of outdoor heat exchanger, refrigerant flow to auxiliary heat-exchanging by the first pipeline from the exhaust outlet discharge of outdoor heat exchanger
The first of device.
In the technical scheme, under refrigeration mode, refrigerant flow to the first of supplementary heat exchanger by the first pipeline, enters
Further it is subcooled after supplementary heat exchanger, improves and entered with the pipeline Jing supplementary heat exchangers of supplementary heat exchanger by connecting outdoor heat exchanger
Enter the degree of supercooling of stream (i.e. primary flow path) refrigerant of the first pipeline, so as to improve the exchange capability of heat of whole air-conditioning system.
A technical scheme of the invention, it is preferable that flash vessel includes：First interface, with supplementary heat exchanger
Two mouthfuls are connected, and refrigerant is flowed out by supplementary heat exchanger, are flowed in flash vessel by first interface；Second interface, by the second pipeline
Indoor heat exchanger is connected to, refrigerant flow to indoor heat exchanger by the second pipeline by flash vessel；3rd interface, is connected to compressor
The first air inlet, refrigerant flow to compressor by flash vessel；4th interface, passes through the 3rd pipeline with the 3rd mouthful of supplementary heat exchanger
It is connected, refrigerant flows out to supplementary heat exchanger by flash vessel.
In the technical scheme, under refrigeration mode, refrigerant is flowed out by supplementary heat exchanger, flows into flash vessel by first interface
In, refrigerant is carried out gas-liquid separation by flash vessel, and the gaseous coolant separated is flowed out from the 3rd interface of flash vessel, is ejected into pressure
In contracting machine, strengthen the jeting effect of compressor, improve the whole capability of compressor.The liquid refrigerants separated is divided into two-way,
Flow out from second interface all the way, after arrival indoor heat exchanger further throttles, side heat exchanger evaporation endothermic, becomes low temperature indoors
The gaseous coolant of low pressure；Another road, enters supplementary heat exchanger by the 4th interface, further cools down the refrigerant of primary flow path, evaporation
Heat absorption becomes gaseous coolant, reaches gas-liquid separator after the mixing of two-way refrigerant, is absorbed by compressor again and is compressed, is completed refrigeration and follow
Ring.
Above-mentioned technical proposal of the invention, it is preferable that throttling arrangement includes：First throttle device, located at first pipe
Lu Shang, controls in the first pipeline, and refrigerant is flow to the pressure of the flow velocity and refrigerant of supplementary heat exchanger by outdoor heat exchanger；Second section
Stream device, on the second pipeline, or on the 3rd pipeline, or inside flash vessel.
In the technical scheme, when refrigerant flow to supplementary heat exchanger by outdoor heat exchanger, by first throttle device, become
The refrigerant of medium temperature and medium pressure, can be such that supplementary heat exchanger is preferably further subcooled to refrigerant.Can be adjusted by second throttling device
The flow velocity and pressure of the refrigerant for flowing out are saved from flash vessel.
Above-mentioned technical proposal of the invention, it is preferable that also include：Control device, is connected with cross valve, with first segment
Stream device is connected with second throttling device.
In the technical scheme, control device can change the connection direction of cross valve, with reference to first throttle device and
Two throttling arrangements, can be controlled well to the pressure of refrigerant, flow velocity and direction.
Above-mentioned technical proposal of the invention, it is preferable that control device also includes：Heating mode is in air-conditioning system
Under, the first valve port of control is connected with the second valve port, and the 4th valve port is connected with the 3rd valve port；And in air-conditioning system in refrigeration mould
Under formula, the first valve port of control is connected with the 3rd valve port, and the 4th valve port is connected with the second valve port.
In the technical scheme, under heating mode, the first valve port and the second valve port are connected, and compressor air-discharging is from the first valve port
Into cross valve, then flow out from the second valve port, reach indoor heat exchanger condensation heat release, afterwards through the second interface of flash vessel
Pipe enters flash vessel, and refrigerant carries out gas-liquid separation, and the gaseous coolant separated is flowed out from the 3rd interface of flash vessel, is ejected into
In compressor, strengthen the jeting effect of compressor, improve the whole capability of compressor.Meanwhile, the liquid refrigerants separated point
For two-way, it is the primary flow path refrigerant flowed out from flash vessel first interface all the way, into supplementary heat exchanger, enters in supplementary heat exchanger
One step is subcooled, the overall heat exchange ability of strengthening system, after the throttling of first throttle device, inhales into outdoor heat exchanger evaporation
Heat, becomes gaseous coolant.4th valve port is connected with the 3rd valve port, and gaseous coolant enters cross valve by the 3rd valve port, Ran Houtong
Cross the outflow of the 4th valve port.Another road, after second throttling device throttling, reaches supplementary heat exchanger, and evaporation endothermic becomes gaseous state
Refrigerant, with the low-pressure side refrigerant from outdoor heat exchanger after mixing, returns to gas-liquid separator, is absorbed by compressor again and is pressed
Contracting, completes to heat circulation.Under refrigeration mode, the first valve port is connected with the 3rd valve port, and the 4th valve port is connected with the second valve port.Compression
Machine exhaust enters cross valve through the first valve port, then enters outdoor heat exchanger by the 3rd valve port and condenses heat release, is then passed through
After first throttle device tentatively throttles, become the refrigerant of the middle temperature of middle pressure, be further subcooled into supplementary heat exchanger, improve primary flow path
The degree of supercooling of refrigerant, so as to improve the exchange capability of heat of whole air-conditioning system.From supplementary heat exchanger primary flow path refrigerant out, pass through
First interface enters flash vessel, and refrigerant carries out gas-liquid separation, and the gaseous coolant separated is flowed out from the 3rd interface of flash vessel,
It is ejected in compressor, strengthens the jeting effect of compressor, improves the whole capability of compressor.The liquid refrigerants separated point
Into two-way, flow out from second interface all the way, reach after indoor heat exchanger further throttles, indoors side heat exchanger evaporation endothermic,
Become the gaseous coolant of low-temp low-pressure；Another road, after being throttled by second throttling device, into supplementary heat exchanger, further
The refrigerant of cooling primary flow path, evaporation endothermic become gaseous coolant, after the mixing of two-way refrigerant, are absorbed by compressor again and are compressed, complete
Into kind of refrigeration cycle.
Any of the above-described technical scheme of the invention, it is preferable that first throttle device includes：Electromagnetic type expansion valve,
Electrodynamic type expansion valve；And second throttling device includes：Electromagnetic type expansion valve, electrodynamic type expansion valve.
In the technical scheme, by electing first throttle device and second throttling device as electromagnetic type expansion valve or electronic
Formula expansion valve, it is possible to achieve the throttling of condensing pressure to evaporating pressure, controls the flow of refrigerant, so as to cold in reaching to pipeline
Matchmaker's reducing pressure by regulating flow.
A kind of air-conditioning that the technical scheme of second aspect present invention is provided includes any one technology of first aspect present invention
The air-conditioning system that scheme is provided, therefore the air-conditioning has the beneficial effect of whole of the air-conditioning system of any of the above-described technical scheme offer
Really, will not be described here.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
Fig. 1 shows an air-conditioning system schematic diagram according to an embodiment of the invention；
Fig. 2 shows another air-conditioning system schematic diagram according to an embodiment of the invention.
100 air-conditioning systems, 102 compressors, 104 flash vessels, 106 cross valves, the first valve ports of m, the second valve ports of n, the 3rd valves of o
Mouthful, the 4th valve ports of p, 108 first throttle devices, 110 second throttling devices, 112 supplementary heat exchangers, 114 outdoor heat exchangers, 116
Indoor heat exchanger, 118 gas-liquid separators, 120 first pipelines, a first interfaces, b second interfaces, the 3rd interfaces of c, the 4th interfaces of d,
H firsts, the 3rd mouthful of second mouthful of i, j, the 4th mouthful of k.
Specific embodiment
It is in order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and concrete real
Apply mode to be further described in detail the present invention.It should be noted that in the case where not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from third party's mode described here using third party, therefore, protection scope of the present invention is not by following
The restriction of disclosed specific embodiment.
Air-conditioning system 100 according to an embodiment of the invention is specifically described with reference to Fig. 1.
As shown in figure 1, air conditioner and heat pump unit defrosting system 100 includes according to an embodiment of the invention：Compressor 102,
Cross valve 106, indoor heat exchanger 116, outdoor heat exchanger 114 and throttling arrangement, the first valve port m of cross valve 106 and compressor
102 are connected, and the second valve port n of cross valve 106 is connected with indoor heat exchanger 116, and the 3rd valve port o of cross valve 106 is changed with outdoor
Hot device 114 is connected, and also includes：Supplementary heat exchanger 112, is connected with outdoor heat exchanger 114；Flash vessel 104, with supplementary heat exchanger
112 are connected, and are connected with compressor 102.
Air-conditioning system 100, will be ejected into the refrigerant of compressor 102 by flash vessel 104 according to an embodiment of the invention
Gaseous coolant and liquid refrigerants are separated into, are acted in conjunction with supplementary heat exchanger 112, improve the effect of air injection enthalpy-increasing, while can
To improve the degree of supercooling of system, strengthen the exchange capability of heat of unit, improve air-conditioning system due to exchange capability of heat deficiency caused by low temperature
Problem, so as to improve the heat transfer effect of whole air-conditioning system.
Air-conditioning system 100 according to the abovementioned embodiments of the present invention, can also have following technical characteristic：
As shown in figure 1, air-conditioning system 100 also includes according to an embodiment of the invention：Gas-liquid separator 118, gas-liquid point
It is connected with the 4th valve port p of cross valve 106 from the entrance of device 118, the outlet of gas-liquid separator 118 and the second of compressor 102
Air inlet is connected, and refrigerant flows through gas-liquid separator 118 by the 4th valve port p of cross valve 106, flow in compressor 102.
In this embodiment, refrigerant enters gas-liquid separator 118 by the 4th valve port p of cross valve 106, by gas-liquid separation
Device 118 is flow in compressor 102, so as to be absorbed compression by compressor 102, it is to avoid liquid refrigerants is directly entered compressor and leads
The problem of the compressor damage of cause.
According to the above embodiment of the present invention, it is preferable that also include：The of 4th mouthful of k of supplementary heat exchanger 112 and cross valve
Four valve port p are connected；Or the 4th mouthful of k of supplementary heat exchanger is connected with the outlet of gas-liquid separator, refrigerant flows to gas by the 4th mouthful
The outlet of liquid/gas separator, the part refrigerant that the outlet with gas-liquid separator is discharged carry out mixed flow to compressor.
In this embodiment, the 4th valve port p of cross valve is connected with the entrance of gas-liquid separator 118, as pressure is acted on,
Refrigerant is flowed to the entrance of gas-liquid separator 118 by the 4th mouthful of k of supplementary heat exchanger 112, by gas-liquid separator 118 by liquid
Refrigerant is separated, and then gaseous coolant is flowed in compressor 102, and gaseous coolant can strengthen the injection effect of compressor
Really, improve the whole capability of compressor.Or in cooling mode, can select will be the 4th mouthful of k of supplementary heat exchanger 112 direct
Outlet with gas-liquid separator 118 is connected, and gaseous coolant is flowed directly to the outlet of gas-liquid separator 118 by the 4th mouthful of k, with gas
The gaseous coolant that the outlet of liquid/gas separator 118 is discharged carries out mixed flow to compressor 102.So as to mitigate the damage of gas-liquid separator
Consumption, extends the life-span of gas-liquid separator.
According to one embodiment of present invention, it is preferable that also include：First pipeline 120, connects supplementary heat exchanger 112
The exhaust outlet of first h and outdoor heat exchanger 114, refrigerant are discharged from the exhaust outlet of outdoor heat exchanger 114, by the first pipeline
The 120 first h for flowing to supplementary heat exchanger 112.
In this embodiment, under refrigeration mode, refrigerant flow to the first of supplementary heat exchanger 112 by the first pipeline 120
H, is further subcooled into after supplementary heat exchanger 112, improves the pipe by connecting outdoor heat exchanger 114 and supplementary heat exchanger 112
Road Jing supplementary heat exchanger 112 enters the degree of supercooling of stream (i.e. primary flow path) refrigerant of the first pipeline 120, so as to improve whole air-conditioning
The exchange capability of heat of system.
According to one embodiment of present invention, it is preferable that also include：Flash vessel 104 includes：First interface a, is changed with auxiliary
Second mouthful of i of hot device 112 is connected, and refrigerant is flowed out by supplementary heat exchanger 112, is flowed in flash vessel 104 by first interface a；The
Two interface b, are connected to indoor heat exchanger 116 by the second pipeline, and refrigerant flow to interior by the second pipeline by flash vessel 104 and changes
Hot device 116；3rd interface c, is connected to the first air inlet of compressor 102, and refrigerant flow to compressor 102 by flash vessel 104；The
Four interface d, are connected by the 3rd pipeline with the 3rd mouthful of j of supplementary heat exchanger 112, and refrigerant flows out to auxiliary by flash vessel 104 and changes
Hot device 112.
In this embodiment, under refrigeration mode, refrigerant is flowed out by supplementary heat exchanger 112, flows into flash distillation by first interface a
In device 104, refrigerant is carried out gas-liquid separation by flash vessel 104, threeth interface c of the gaseous coolant separated from flash vessel 104
Flow out, be ejected in compressor 102, strengthen the jeting effect of compressor 102, improve the whole capability of compressor.Separate
Liquid refrigerants be divided into two-way, flow out from second interface b all the way, reach after indoor heat exchanger 116 further throttles, indoors side
116 evaporation endothermic of heat exchanger, becomes the gaseous coolant of low-temp low-pressure；Another road, enters supplementary heat exchanger by the 4th interface d
112, the refrigerant of primary flow path is further cooled down, evaporation endothermic becomes gaseous coolant, reaches gas-liquid separator after the mixing of two-way refrigerant
118, compression is absorbed by compressor 102 again, kind of refrigeration cycle is completed.
According to the abovementioned embodiments of the present invention, it is preferable that throttling arrangement includes：First throttle device 108, located at first pipe
On road 120, control in the first pipeline 120, refrigerant is flow to the flow velocity and refrigerant of supplementary heat exchanger 112 by outdoor heat exchanger 114
Pressure；Second throttling device 110, on the second pipeline, or on the 3rd pipeline, or inside flash vessel 104.
In this embodiment, when refrigerant flow to supplementary heat exchanger 112 by outdoor heat exchanger 114, by first throttle device
108, become the refrigerant of medium temperature and medium pressure, supplementary heat exchanger 112 can be made preferably further to be subcooled to refrigerant.By the second throttling
Device 110 can adjust from flash vessel 104 flow velocity and pressure of the refrigerant for flowing out.
According to the abovementioned embodiments of the present invention, it is preferable that also include：Control device, is connected with cross valve 106, with first
Throttling arrangement 108 is connected with second throttling device 110.
In this embodiment, control device can change the connection direction of cross valve 106, with reference to first throttle device 108
With second throttling device 110, the pressure of refrigerant, flow velocity and direction can be controlled well.
According to the abovementioned embodiments of the present invention, it is preferable that control device also includes：Heating mode is in air-conditioning system
Under, the first valve port m of control is connected with the second valve port n, and the 4th valve port p is connected with the 3rd valve port o；And in air-conditioning system in system
Under chill formula, the first valve port m of control is connected with the 3rd valve port o, and the 4th valve port p is connected with the second valve port n.
In this embodiment, under heating mode, the first valve port m and the second valve port n is connected, and compressor 102 is vented from first
Valve port m enters cross valve, then flows out from the second valve port n, reaches the condensation heat release of indoor heat exchanger 116, afterwards through flash vessel
104 second interface b pipe enters flash vessel 104, and refrigerant carries out gas-liquid separation, and the gaseous coolant separated is from flash vessel 104
The 3rd interface c flow out, be ejected in compressor 102, strengthen compressor jeting effect, improve compressor 102 overall energy
Power.Meanwhile, the liquid refrigerants separated is divided into two-way, is cold from the primary flow path of 104 first interface a of flash vessel outflows all the way
Matchmaker, into supplementary heat exchanger 112, is further subcooled in supplementary heat exchanger 112, the overall heat exchange ability of strengthening system, passes through
After first throttle device 108 throttles, into 114 evaporation endothermic of outdoor heat exchanger, become gaseous coolant.4th valve port p and the 3rd
Valve port o is connected, and gaseous coolant enters cross valve by the 3rd valve port o, is then flowed out by the 4th valve port p.Another road, Jing Guo
After two throttling arrangement 110 throttles, supplementary heat exchanger 112 is reached, evaporation endothermic becomes gaseous coolant, and from outdoor heat exchanger
114 low-pressure side refrigerant returns to gas-liquid separator 118 after mixing, is absorbed compression by compressor 102 again, completes to heat
Circulation.Under refrigeration mode, the first valve port m is connected with the 3rd valve port o, and the 4th valve port p is connected with the second valve port n.Compressor air-discharging
Cross valve is entered through the first valve port m, outdoor heat exchanger 114 is entered by the 3rd valve port o then and is condensed heat release, be then passed through the
After one throttling arrangement, 108 preliminary throttling, become the refrigerant of the middle temperature of middle pressure, be further subcooled into supplementary heat exchanger 112, improve master
The degree of supercooling of stream refrigerant, so as to improve the exchange capability of heat of whole air-conditioning system.From supplementary heat exchanger primary flow path refrigerant out,
Flash vessel is entered through first interface a, refrigerant carries out gas-liquid separation, threeth interface of the gaseous coolant separated from flash vessel
C flows out, and is ejected in compressor 102, strengthens the jeting effect of compressor, improves the whole capability of compressor.Separate
Liquid refrigerants is divided into two-way, flows out from second interface b all the way, after arrival indoor heat exchanger 116 further throttles, exchanges heat indoors
116 evaporation endothermic of device, becomes the gaseous coolant of low-temp low-pressure；Another road, after being throttled by second throttling device 110, is entered
Supplementary heat exchanger 112, further cools down the refrigerant of primary flow path, and evaporation endothermic becomes gaseous coolant, after the mixing of two-way refrigerant, again
Compression is absorbed by compressor 102, kind of refrigeration cycle is completed.
Any of the above-described embodiment of the invention, it is preferable that first throttle device 108 includes：Electromagnetic type expansion valve,
Electrodynamic type expansion valve；And second throttling device 110 includes：Electromagnetic type expansion valve, electrodynamic type expansion valve.
In this embodiment, electromagnetic type expansion valve and electrodynamic type expansion valve can control the folding size of valve element, Jin Erke
With the flow velocity and pressure of refrigerant in control piper.
Embodiment one：
As shown in figure 1, winter day it is cold when, user open air-conditioning, air-conditioning is transferred under heating mode, now the first valve
Mouth m and the second valve port n is connected, and the 4th valve port p is connected with the 3rd valve port o, and compressor 102 is vented from the first valve port m and enters four-way
Valve, then flows out from the second valve port n, reaches the condensation heat release of indoor heat exchanger 116, afterwards through second interface b of flash vessel 104
Pipe enters flash vessel 104, and refrigerant carries out gas-liquid separation, and the gaseous coolant separated is flowed from the 3rd interface c of flash vessel 104
Go out, be ejected in compressor 102, strengthen the jeting effect of compressor, improve the whole capability of compressor 102.Meanwhile, isolate
The liquid refrigerants for coming is divided into two-way, is the primary flow path refrigerant flowed out from 104 first interface a of flash vessel all the way, into auxiliary heat-exchanging
Device 112, is further subcooled in supplementary heat exchanger 112, the overall heat exchange ability of strengthening system, through first throttle device 108
After throttling, into 114 evaporation endothermic of outdoor heat exchanger, become gaseous coolant.4th valve port p is connected with the 3rd valve port o, and gaseous state is cold
Matchmaker enters cross valve by the 3rd valve port o, is then flowed out by the 4th valve port p.Another road, saves through second throttling device 110
After stream, supplementary heat exchanger 112 is reached, evaporation endothermic becomes gaseous coolant, exists with the low-pressure side refrigerant from outdoor heat exchanger 114
In pipeline after mixing, into gas-liquid separator 118, compressor after gas-liquid separation, is flow to, compression is absorbed by compressor 102,
Complete to heat circulation.
When summer user is needed using air conditioner refrigerating, control device controls the first valve port m and the 3rd valve port o of cross valve
Connection, the 4th valve port p are connected with the second valve port n.Compressor air-discharging enters cross valve through the first valve port m, then by the 3rd
Valve port o enters outdoor heat exchanger 114 and condenses heat release, after being then passed through the 108 preliminary throttling of first throttle device, becomes the middle temperature of middle pressure
Refrigerant, be further subcooled into supplementary heat exchanger 112, improve primary flow path refrigerant degree of supercooling, so as to improve whole air-conditioning system
The exchange capability of heat of system.From supplementary heat exchanger primary flow path refrigerant out, flash vessel is entered through first interface a, refrigerant enters promoting the circulation of qi
Liquid is separated, and the gaseous coolant separated is flowed out from the 3rd interface c of flash vessel, is ejected in compressor 102, strengthens compressor
Jeting effect, improve compressor whole capability.The liquid refrigerants separated is divided into two-way, flows from second interface b all the way
Go out, reach after indoor heat exchanger 116 further throttles, indoors 116 evaporation endothermic of heat exchanger, the gaseous state for becoming low-temp low-pressure is cold
Matchmaker；Another road, after throttling by second throttling device 110, into supplementary heat exchanger 112, further cools down the cold of primary flow path
Matchmaker, evaporation endothermic become gaseous coolant, after the mixing of two-way refrigerant, are separated into gas-liquid separator, finally, by compressor
102 absorb compression, complete kind of refrigeration cycle.
Wherein, second throttling device can be arranged on inside flash vessel, it is also possible to be arranged on flash vessel and indoor heat exchanger
Between pipeline on.
Embodiment two：
As shown in Fig. 2 under heating mode, based on embodiment one, passing through from the 4th interface of flash vessel liquid refrigerants out
After second throttling device 110 throttles, supplementary heat exchanger 112 is reached, evaporation endothermic becomes gaseous coolant, then directly reaches gas-liquid
The exit position of separator 118, is flow in compressor together with the refrigerant through gas-liquid separator separates, finally, by compressor
102 absorb compression, complete to heat circulation.
Likewise, in conjunction with the embodiments one, in cooling mode, from the 4th interface of flash vessel liquid refrigerants out through
After two throttling arrangement 110 throttles, after being throttled by second throttling device 110, into supplementary heat exchanger 112, further cool down
The refrigerant of primary flow path, evaporation endothermic become gaseous coolant, then directly reach the exit position of gas-liquid separator 118, with process
The refrigerant of gas-liquid separator separates is flow in compressor together, is finally absorbed compression by compressor 102, is completed kind of refrigeration cycle.
A kind of air-conditioning that the embodiment of second aspect present invention is provided includes any one embodiment of first aspect present invention
The air-conditioning system of offer, therefore the air-conditioning has whole beneficial effects of the air-conditioning system of any of the above-described embodiment offer, here
Repeat no more.
Technical scheme is described in detail above in association with accompanying drawing, the present invention proposes a kind of air-conditioning system, improves
The effect of air injection enthalpy-increasing, while the degree of supercooling of system can improve, strengthens the exchange capability of heat of unit, improve air-conditioning system due to
The hypodynamic problem of heat-energy transducer caused by low temperature, so as to improve the heat transfer effect of whole air-conditioning system.
In the description of this specification, term " first ", " second " are only used for the purpose for describing, and it is not intended that indicating
Or hint relative importance；Term " connection ", " installation ", " fixation " etc. all should be interpreted broadly, and for example, " connection " can be solid
Surely connect, or be detachably connected, or be integrally connected；Can be joined directly together, it is also possible to indirect by intermediary
It is connected.For the ordinary skill in the art, above-mentioned term tool in the present invention can be understood as the case may be
Body implication.
In the description of this specification, the description of term " one embodiment " etc. means to describe with reference to the embodiment or example
Specific features, structure, material or feature be contained at least one embodiment or example of the present invention.In this manual,
Identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, the specific features of description, knot
Structure, material or feature can be combined in one or more any embodiment or example in an appropriate manner.
The preferred embodiments of the present invention are these are only, the present invention is not limited to, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of air-conditioning system, including：Compressor (102), cross valve (106), indoor heat exchanger (116), outdoor heat exchanger
(114) and throttling arrangement, the first valve port (m) of the cross valve (106) is connected with the compressor (102), the cross valve
(106) the second valve port (n) is connected with the indoor heat exchanger (116), the 3rd valve port (o) of the cross valve (106) and institute
State outdoor heat exchanger (114) to be connected, it is characterised in that also include：
Supplementary heat exchanger (112), is connected with the outdoor heat exchanger (114)；
Flash vessel (104), is connected with the supplementary heat exchanger (112), is connected with the compressor (102).
2. air-conditioning system according to claim 1, it is characterised in that also include：
Gas-liquid separator (118), the entrance of the gas-liquid separator (118) and the 4th valve port (p) phase of the cross valve (106)
Even, the outlet of the gas-liquid separator (118) is connected with the second air inlet of the compressor (102), and refrigerant is by the four-way
4th valve port (p) of valve (106) flows through the gas-liquid separator (118), flow in the compressor (102).
3. air-conditioning system according to claim 2, it is characterised in that also include：
4th mouthful (k) of the supplementary heat exchanger (112) is connected with the 4th valve port (p) of the cross valve (106)；Or
4th mouthful (k) of the supplementary heat exchanger (112) is connected with the outlet of the gas-liquid separator (118), the refrigerant by
4th mouthful (k) flows to the outlet of the gas-liquid separator (118), and the outlet with the gas-liquid separator (118) is discharged
The part refrigerant carry out mixed flow to the compressor (102).
4. air-conditioning system according to claim 1, it is characterised in that also include：
First pipeline (120), connects the first (h) of the supplementary heat exchanger (112) and the row of the outdoor heat exchanger (114)
Gas port, refrigerant are discharged from the exhaust outlet of the outdoor heat exchanger (114), flow to the auxiliary by first pipeline (120)
The first (h) of heat exchanger (112).
5. air-conditioning system according to claim 1, it is characterised in that the flash vessel (104) includes：
First interface (a), is connected with second mouthful (i) of the supplementary heat exchanger (112), and refrigerant is by the supplementary heat exchanger
(112) flow out, flowed in the flash vessel (104) by the first interface (a)；
Second interface (b), is connected to the indoor heat exchanger (116) by the second pipeline, and the refrigerant is by the flash vessel
(104) indoor heat exchanger (116) is flow to by second pipeline；
3rd interface (c), is connected to the first air inlet of the compressor (102), and the refrigerant is flowed by the flash vessel (104)
To the compressor (102)；
4th interface (d), is connected by the 3rd pipeline with the 3rd mouthful (j) of the supplementary heat exchanger (112), and the refrigerant is by institute
State flash vessel (104) and flow out to the supplementary heat exchanger (112).
6. air-conditioning system according to claim 5, it is characterised in that the throttling arrangement includes：
First throttle device (108), on first pipeline (120), controls in first pipeline (120), described
Refrigerant is flow to the pressure of the flow velocity and the refrigerant of the supplementary heat exchanger (112) by the outdoor heat exchanger (114)；
Second throttling device (110), on second pipeline, or on the 3rd pipeline, or is located at the flash distillation
Device (104) is internal.
7. air-conditioning system according to claim 6, it is characterised in that also include：
Control device, is connected with the cross valve (106), with the first throttle device (108) and the second throttling device
(110) it is connected.
8. air-conditioning system according to claim 7, it is characterised in that the control device also includes：
In the air-conditioning system under heating mode, control first valve port (m) and connect with second valve port (n), institute
State the 4th valve port (p) to connect with the 3rd valve port (o)；And
In the air-conditioning system under refrigeration mode, control first valve port (m) and connect with the 3rd valve port (o), institute
State the 4th valve port (p) to connect with second valve port (n).
9. air-conditioning system according to any one of claim 1 to 8, it is characterised in that
The first throttle device (108) includes：Electromagnetic type expansion valve, electrodynamic type expansion valve；And the second throttling device
(110) include：Electromagnetic type expansion valve, electrodynamic type expansion valve.
10. a kind of air-conditioning, it is characterised in that including the air-conditioning system any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056259.3A CN106556175A (en) | 2016-11-22 | 2016-11-22 | Air-conditioning system and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056259.3A CN106556175A (en) | 2016-11-22 | 2016-11-22 | Air-conditioning system and air-conditioning |
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| Publication Number | Publication Date |
|---|---|
| CN106556175A true CN106556175A (en) | 2017-04-05 |
Family
ID=58445043
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611056259.3A Pending CN106556175A (en) | 2016-11-22 | 2016-11-22 | Air-conditioning system and air-conditioning |
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| Country | Link |
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| CN (1) | CN106556175A (en) |
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| CN114674089A (en) * | 2022-03-24 | 2022-06-28 | 广东开利暖通空调股份有限公司 | Multi-connected refrigeration system and refrigeration method thereof |
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Application publication date: 20170405 |