CN107560213A - Air-conditioning system and air-conditioning - Google Patents
Air-conditioning system and air-conditioning Download PDFInfo
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- CN107560213A CN107560213A CN201710626386.0A CN201710626386A CN107560213A CN 107560213 A CN107560213 A CN 107560213A CN 201710626386 A CN201710626386 A CN 201710626386A CN 107560213 A CN107560213 A CN 107560213A
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Abstract
The present invention proposes a kind of air-conditioning system, and air-conditioning system includes：Compressor, the first four-way valve, indoor heat exchanger, outdoor heat exchanger, supercooling component and throttling arrangement, in addition to：Second four-way valve, the first valve port of the second four-way valve are connected with outdoor heat exchanger, and the second valve port of the second four-way valve is connected with supercooling component, and the 3rd valve port of the second four-way valve is connected with indoor heat exchanger, and the 4th valve port of the second four-way valve is connected with throttling arrangement.Pass through technical scheme, by setting the second four-way valve, it can may be such that the refrigerant for flowing through supercooling component maintains of a relatively high temperature when air-conditioning system is in refrigeration or heating condition, effectively alleviate the frosting situation of air conditioner outdoor unit chassis and outdoor heat exchanger.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioning system and a kind of air-conditioning.
Background technology
At present, in some design of air conditioning, it will usually increase by one group of supercooling stream of design in condenser stream, pass through increasing
Degree of supercooling is added to improve refrigerating capacity under cooling system mode operation, but when system heating mode is run, supercooling stream can be led
The induced evaporation process heat exchangers pressure loss so that air-conditioning heating ability reduces and energy consumption increase.In addition, system is in a heating mode
Refrigerant, which first flows through throttle part, to carry out throttling and enters back into condenser super-cooling pipe, easily causes between bottom plate of outdoor unit and condenser bottom
Gap part freezes and constantly accumulation expands.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of air-conditioning system.
Another object of the present invention is to propose a kind of air-conditioning.
In view of this, the technical scheme of first aspect present invention proposes a kind of air-conditioning system, including：Compressor, first
Four-way valve, indoor heat exchanger, outdoor heat exchanger, supercooling component and throttling arrangement, the first valve port and compressor of the first four-way valve
It is connected, the second valve port of the first four-way valve is connected with indoor heat exchanger, the 4th valve port and the outdoor heat exchanger phase of the first four-way valve
Connect, in addition to：Second four-way valve, the first valve port of the second four-way valve are connected with outdoor heat exchanger, the second valve of the second four-way valve
Mouthful with supercooling component be connected, the 3rd valve port of the second four-way valve is connected with indoor heat exchanger, the 4th valve port of the second four-way valve and
Throttling arrangement is connected, wherein, when air-conditioning is run in a chiller mode, the first valve port of the second four-way valve and the of the second four-way valve
Two valve ports connect, the 4th valve port connection of the 3rd valve port and the second four-way valve of the second four-way valve；Transported in air-conditioning with heating mode
During row, the 4th valve port connection of the first valve port of the second four-way valve and the second four-way valve, the second valve port of the second four-way valve and the
The 3rd valve port connection of two four-way valves.
The air-conditioning system of technique according to the invention scheme, it is subcooled in component machine installed outdoors, in air-conditioning with the mould that freezes
When formula is run, outdoor temperature is high, controls the first valve port of the second four-way valve and the second valve port of the second four-way valve to connect, and the two or four
The 4th valve port connection of the 3rd valve port and the second four-way valve of port valve, high pressure gaseous refrigerant are changed into by outdoor heat exchanger
Second valve port of the first valve port and the second four-way valve after the liquid refrigerants outflow of medium temperature high pressure through the second four-way valve was flow to
Cold component increases degree of supercooling, enters back into throttling arrangement, reduces liquid refrigerants and is changed into when by throttling arrangement because pressure die-offs
Gaseous content, the exchange capability of heat of indoor heat exchanger is improved, improves air conditioner refrigeration effect.
Similarly, when air-conditioning is run with heating mode, outdoor temperature is low, controls the first valve port and the of the second four-way valve
The 4th valve port connection of two four-way valves, the 3rd valve port connection of the second valve port and the second four-way valve of the second four-way valve, high temperature are high
Pressure gaseous coolant the 3rd valve port through the second four-way valve after the liquid refrigerants for being changed into medium temperature high pressure by indoor heat exchanger flows out
And second second valve port of four-way valve flow to supercooling component, now because outdoor temperature is low, the medium temperature for flowing through supercooling component is high
Pressure refrigerant is in of a relatively high temperature, and supercooling component internal-external temperature difference is larger, not-easy-to-freeze, high from the low temperature of supercooling component outflow
The liquid refrigerants of pressure enters back into throttling arrangement through component increase degree of supercooling is subcooled, and reduces cryogenic high pressure liquid refrigerants through celebrating a festival
It is changed into gaseous content because pressure die-offs when flowing device, improves the exchange capability of heat of outdoor heat exchanger, improve the heating of air-conditioning
Effect.
It should be noted that the concrete model of the second four-way valve in above-mentioned technical proposal can be according to actual air-conditioning system work
Selected as needs, the effect of the second four-way valve can be realized.
According to the air-conditioning system of the above-mentioned technical proposal of the present invention, there can also be following technical characteristic：
In the above-mentioned technical solutions, it is preferable that also include：Gas-liquid separator, located at the first four-way valve of connection and compressor
Pipeline on, the entrance of gas-liquid separator is connected with the 3rd valve port of the first four-way valve, the outlet of gas-liquid separator and compressor
Air inlet be connected, refrigerant flows through gas-liquid separator by the 3rd valve port of the first four-way valve, flows into compressor.
In the technical scheme, gas-liquid separator is connected on low pressure line with the first four-way valve and compressor, low temperature
Low-pressure gaseous refrigerant is flowed back in compressor after the first four-way valve and gas-liquid separator, and gas-liquid separator causes containing a small amount of
The low-temp low-pressure gaseous coolant of liquid obtains gas phase purifying, reduces compressor inspiration liquid refrigerants and produces liquid hazards compressor
Possibility.
It should be noted that the model of gas-liquid separator can be selected according to the different of refrigerating capacity during different design of air conditioning
Select.
In the above-mentioned technical solutions, it is preferable that also include：Distributor, located at connection outdoor heat exchanger and the second four-way
On the pipeline of valve, one end that distributor is connected with outdoor heat exchanger is provided with multiple firsts, each first by pipeline with
Outdoor heat exchanger is connected, and the other end of distributor is provided with second mouthful, is connected between distributor and outdoor heat exchanger more
Individual pipeline, distributor have multiple firsts to be connected with multiple pipelines, second mouthful and the first of the second four-way valve of distributor
Valve port is connected.
In the technical scheme, distributor is on the pipeline of connection outdoor heat exchanger and the second four-way valve, air-conditioning system
When system is run in cooling mode, the low-temp low-pressure liquid refrigerants through outdoor heat exchanger outflow flows into distributor through multiple pipelines
After convergence, the second valve port of the first valve port and the second four-way valve through the second four-way valve, which is flowed into supercooling component, increases supercooling
Degree；When air-conditioning system is run in a heating mode, the low-temp low-pressure liquid refrigerants through throttling arrangement outflow is through the second four-way valve
After first valve port of the 4th valve port and the second four-way valve flows into distributor, inflow is evenly distributed by distributor and changed with outdoor
In multiple pipelines of hot device connection, the exchange capability of heat of outdoor heat exchanger is improved, so as to improve the heating effect of air-conditioning system.
It should be noted that in above-mentioned technical proposal, no matter outdoor heat exchanger is carried out in the position such as horizontal, vertical, inclination
Arrangement, distributor all should keep vertical as far as possible, to realize that low temperature and low pressure liquid refrigerant evenly distributes inflow and outdoor heat exchanger
In multiple pipelines of connection.
In the above-mentioned technical solutions, it is preferable that also include：Conflux pipeline, is connected to outdoor heat exchanger and the first four-way
Between 4th valve port of valve, the pipeline that confluxes includes at least one branch road and main line, and every branch road is with being connected distributor and room
The pipeline of external heat exchanger is correspondingly arranged, and the one end on main line connects the 4th valve port of the first four-way valve, the other end on main line with least
One branch road connection.
In the technical scheme, by the pipeline that confluxes with least one branch road and main line by outdoor heat exchanger and first
Four-way valve is attached, after refrigerant is divided into via distributor a plurality of circuit enter outdoor heat exchanger, then by least one
Branch road is exported so that refrigerant is shunted in pipeline and confluxes more steady, and the refrigerant distributed is more uniformly distributed, and is slowed down a plurality of
Refrigerant in branch road converges caused collision, improves heat exchange efficiency.
Wherein it is preferred to which the pipeline that every branch road is connected distributor and outdoor heat exchanger with every corresponds, can subtract
Refrigerant in a plurality of pipeline occurs less to interlock, the possibility of heat exchange efficiency is reduced so as to increase flow resistance.
In the above-mentioned technical solutions, it is preferable that control device, electrically connect, control with the first four-way valve and the second four-way valve
Device processed controls the first valve port of the first four-way valve and the 4th valve port of the first four-way valve in the case where air-conditioning system is in refrigeration mode
Connection, the second valve port of the first four-way valve are connected with the 3rd valve port of the first four-way valve, and refrigerant is flowed out by compressor, is passed through successively
First four-way valve, outdoor heat exchanger are until distributor, refrigerant are flowed out the first valve port via the second four-way valve by distributor
And second four-way valve the second valve port flow to supercooling component through throttling arrangement and the 4th valve port of the second four-way valve and second
3rd valve port of four-way valve flows through indoor heat exchanger, the first four-way valve, gas-liquid separator successively, flows back to compressor.
In the technical scheme, when air-conditioning system is run in cooling mode, control device controls the of the first four-way valve
One valve port connects with the 4th valve port of the first four-way valve, and the second valve port of the first four-way valve and the 3rd valve port of the first four-way valve connect
It is logical, compress the gaseous coolant of outflow HTHP the first valve port and the first four-way valve by the first four-way valve through compressor
4th valve port is flowed into outdoor heat exchanger, and the gaseous coolant of HTHP releases heat in outdoor heat exchanger and is changed into medium temperature high pressure
Liquid refrigerants outflow, converged to through multiple pipelines between outdoor heat exchanger and distributor in distributor, medium temperature high pressure
Liquid refrigerants again by the second four-way valve the first valve port and the second four-way valve the second valve port flow into supercooling component in increase
Enter after degree of supercooling in throttling arrangement and be depressured, the liquid refrigerants that low-temp low-pressure is flowed out through throttling arrangement gets in heat exchange
Device absorbs the gaseous coolant that heat is changed into low-temp low-pressure, the effect for being adjusted to indoor temperature and reaching cooling is realized, through interior
The gaseous coolant of the low-temp low-pressure of heat exchanger outflow enters in compressor after gas-liquid separator purifies gas phase, then by compressor pressure
The gaseous coolant that the gaseous coolant of low-temp low-pressure is converted into HTHP by contracting flows out, and circulates successively, realizes refrigeration, reduces indoor
Temperature.
In the above-mentioned technical solutions, it is preferable that control device controls the first four-way in the case where air-conditioning system is in heating mode
First valve port of valve connects with the second valve port of the first four-way valve, controls the 3rd valve port and the first four-way valve of the first four-way valve
4th valve port connects, and refrigerant flows out by compressor, flow through successively the first four-way valve, indoor heat exchanger until the second four-way valve the
Second valve port of three valve ports and the second four-way valve flow to supercooling component, then the 4th valve of the second four-way valve is flowed through by throttling arrangement
Mouthful and the first valve port of the second four-way valve flow to distributor, after through multiple pipelines flow through outdoor heat exchanger, first successively
Four-way valve and gas-liquid separator, flow back to compressor.
In the technical scheme, when air-conditioning system is run in a heating mode, control device controls the of the first four-way valve
One valve port connects with the second valve port of the first four-way valve, controls the 3rd valve port of the first four-way valve and the 4th valve of the first four-way valve
Mouth connection, the high pressure gaseous refrigerant through compressor outflow flow into the liquid that indoor heat exchanger releases heat and is changed into medium temperature high pressure
Refrigerant flows out, and realizes the effect for being adjusted to indoor temperature and reaching heating, the liquid of the medium temperature high pressure through indoor heat exchanger outflow
Second valve port of threeth valve port and second four-way valve of the state refrigerant through the second four-way valve, which is flowed into supercooling component, increases degree of supercooling
Enter afterwards in throttling arrangement and be depressured, flow out the 4th of the liquid coolant of low-temp low-pressure through the second four-way valve through throttling arrangement
First valve port of valve port and the second four-way valve flow into distributor in, the allocated device evenly distribute to outdoor heat exchanger phase
Even multiple pipelines in, into outdoor heat exchanger low-temp low-pressure liquid refrigerants absorb heat be changed into low-temp low-pressure gaseous state it is cold
Matchmaker, the 3rd valve port of fourth valve port and first four-way valve of the gaseous coolant through the first four-way valve of low-temp low-pressure flow into gas-liquid point
From device, gas-liquid separation is carried out to refrigerant in gas-liquid separator, the gaseous coolant after separation is drained into compressor, then by compressor
The gaseous coolant that the gaseous coolant of low-temp low-pressure is converted into HTHP by compression flows out, and circulates successively, realizes heating, improves room
Interior temperature.
In any of the above-described technical scheme, it is preferable that throttling arrangement includes：Electromagnetic type expansion valve, electrodynamic type expansion valve.
In the technical scheme, electromagnetic type expansion valve and electrodynamic type expansion valve are not influenceed by condensation temperature, can be very
Worked under low condensing pressure, can will not produce concussion close to zero degree of superheat smooth working so that indoor heat exchanger and
Outdoor heat exchanger can give full play to its volatility, and electromagnetic type expansion valve also has reaction agility, standard-sized sheet to fully closed time in addition
The advantages that short, electrodynamic type expansion valve is compared to electromagnetic type expansion valve in addition, and in addition to above-mentioned advantage, angle can be carried out by also having
Open, with the difference of temperature, control flow.
It should be noted that electromagnetic type expansion valve or electrodynamic type expansion valve can be selected with cost according to being actually needed.
In any of the above-described technical scheme, it is preferable that outdoor heat exchanger is integrally formed with supercooling component.
In the technical scheme, outdoor heat exchanger is integrally formed with supercooling component, without carrying out installation cooperation, no-welding-seam,
Improve the reliability of outdoor heat exchanger work.
In any of the above-described technical scheme, it is preferable that also include：Fan assembly, including located at outdoor heat exchanger side
The first blower fan, and the second blower fan located at indoor heat exchanger side.
In the technical scheme, by setting the first blower fan, while the one of heat exchanger indoors in outdoor heat exchanger side
Side sets the second blower fan, the exchange velocity of indoor heat exchanger and outdoor heat exchanger and outside air can be improved, at air-conditioning system
When refrigeration or heating condition, heat exchange efficiency is improved.
The technical scheme of second aspect of the present invention proposes a kind of air-conditioning, including：Sky in any of the above-described technical scheme
Adjusting system.
In the technical scheme, include the air-conditioning of the air-conditioning system in any of the above-described technical scheme, can realize air-conditioning
When running in a heating mode, the medium temperature high-pressure liquid refrigerant for flowing through supercooling component is in of a relatively high temperature, and component is subcooled
Internal-external temperature difference is larger, not-easy-to-freeze, increases degree of supercooling through component is subcooled from the liquid refrigerants of the cryogenic high pressure of supercooling component outflow
Throttling arrangement is entered back into, cryogenic high pressure liquid refrigerants is reduced and is changed into gaseous because pressure die-offs when by throttling arrangement and contains
Amount, the exchange capability of heat of outdoor heat exchanger is improved, improve the heating effect of air-conditioning.
The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 shows the schematic diagram of air-conditioning system according to an embodiment of the invention；
Fig. 2 shows the schematic diagram of air-conditioning system according to still a further embodiment.
100 air-conditioning systems, 102 compressors, 104 first four-way valves, the first valve port of the four-way valves of a first, the four-way valves of b first
The second valve port, the 3rd valve port of the four-way valves of c first, the 4th valve port of the four-way valves of d first, 106 indoor heat exchangers, outside Room 108
Heat exchanger, 110 supercooling components, 112 throttling arrangements, 114 second four-way valves, the first valve port of the four-way valves of e second, the four-ways of f second
Second valve port of valve, the 3rd valve port of the four-way valves of g second, the 4th valve port of the four-way valves of h second, 116 gas-liquid separators, 118 points
With device, 120 branch roads, 122 main lines.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the schematic diagram of air-conditioning system according to an embodiment of the invention.
As shown in figure 1, a kind of air-conditioning system 100, including：Compressor 102, the first four-way valve 104, indoor heat exchanger 106,
Outdoor heat exchanger 108, supercooling component 110 and throttling arrangement 112, the first valve port a of the first four-way valve are connected with compressor 102,
First valve port b of the first four-way valve is connected with indoor heat exchanger 106, the 4th valve port d and the outdoor heat exchanger 108 of the first four-way valve
It is connected, in addition to：Second four-way valve 114, the first valve port e of the second four-way valve are connected with outdoor heat exchanger 108, the second four-way valve
The second valve port f with supercooling component 110 be connected, the 3rd valve port g of the second four-way valve is connected with indoor heat exchanger 106, the two or four
4th valve port h of port valve is connected with throttling arrangement 112, wherein, when air-conditioning is run in a chiller mode, the first of the second four-way valve
Second valve port f of valve port e and the second four-way valve is connected, the 3rd valve port g of the second four-way valve and the 4th valve port h of the second four-way valve
Connection；When air-conditioning is run with heating mode, the first valve port e and the second four-way valve of the second four-way valve the 4th valve port h connections,
The the second valve port f and the second four-way valve of second four-way valve the 3rd valve port g connections.
Air-conditioning system 100 according to an embodiment of the invention, it is subcooled in 110 machine installed outdoors of component, in air-conditioning to make
During cold mode operation, outdoor temperature is high, controls the first valve port e and the second four-way valve of the second four-way valve the second valve port f connections,
The 3rd valve port g and the second four-way valve of second four-way valve the 4th valve port h connections, high pressure gaseous refrigerant change by outdoor
Hot device 108 is changed into the of the first valve port e through the second four-way valve after the liquid refrigerants outflow of cryogenic high pressure and the second four-way valve
Two valve port f, which flow to supercooling component 110, increases HTHP liquid refrigerant degree of supercooling, enters back into throttling arrangement 112, reduces low temperature
High-pressure liquid refrigerant is changed into gaseous content when by throttling arrangement 112 because pressure die-offs, and improves indoor heat exchanger 106
Exchange capability of heat, improve air conditioner refrigeration effect.
Similarly, when air-conditioning is run with heating mode, outdoor temperature is low, control the second four-way valve the first valve port e and
The 4th valve port h connections of second four-way valve, the second valve port f and the second four-way valve of the second four-way valve the 3rd valve port g connections are high
Warm high-pressure gaseous refrigerant after the liquid refrigerants for being changed into medium temperature high pressure by indoor heat exchanger 106 flows out through the second four-way valve the
Second valve port f of three valve port g and the second four-way valve flow to supercooling component 110, now because outdoor temperature is low, flows through supercooling group
The medium temperature high-pressure liquid refrigerant of part 110 is in of a relatively high temperature, and the supercooling internal-external temperature difference of component 110 is larger, not-easy-to-freeze, from
The liquid refrigerants for the cryogenic high pressure that supercooling component 110 flows out enters back into throttling arrangement 112 through the increase of component 110 degree of supercooling is subcooled,
Reduce cryogenic high pressure liquid refrigerants and be changed into gaseous content because pressure die-offs when by throttling arrangement 112, improve outdoor
The exchange capability of heat of heat exchanger 108, improve the heating effect of air-conditioning.
It should be noted that the throttling arrangement 112 in above-described embodiment includes but is not limited to electric expansion valve, thermal expansion
Valve, throttling valve core and capillary etc..
In addition, it is necessary to illustrate, the concrete model of the second four-way valve 114 in above-described embodiment can be according to actual air-conditioning
System need of work is selected, and can realize the effect of the second four-way valve 114.
Wherein, four-way valve can be replaced by multiple magnetic valves for realizing break-make, as shown in Fig. 2 the quantity of magnetic valve is preferred
For 4, i.e. SV1, SV2, SV3, SV4, wherein solenoid valves represent conducting, obstructed electrical representation isolation refrigerant flowing, freezed
During operating mode, SV1 and SV4 conductings, SV2 and SV3 are not turned on, and in heating condition, SV2 and SV3 conductings, SV1 and SV4 are not turned on.
Air-conditioning system according to the abovementioned embodiments of the present invention, there can also be following technical characteristic：
In the above embodiment, it is preferable that also include：Gas-liquid separator 116, located at the first four-way valve of connection 104 and pressure
On the pipeline of contracting machine 102, the entrance of gas-liquid separator 116 is connected with the 3rd valve port c of the first four-way valve, gas-liquid separator 116
Outlet be connected with the air inlet of compressor 102, refrigerant flows through gas-liquid separator 116 by the 3rd valve port c of the first four-way valve, stream
Enter in compressor 102.
In this embodiment, gas-liquid separator 116 is on low pressure line, with the first four-way valve 104 and the phase of compressor 102
Even, low-temp low-pressure gaseous coolant is flowed back in compressor 102 after the first four-way valve 104 and gas-liquid separator 116, gas-liquid point
Cause the low-temp low-pressure gaseous coolant containing a small amount of liquid to obtain gas phase purifying from device 116, reduce the inspiration liquid of compressor 102
Refrigerant produces the possibility of liquid hazards compressor 102.
It should be noted that the model of gas-liquid separator 116 can be according to refrigerating capacity during different design of air conditioning not
With selection.
In the above embodiment, it is preferable that also include：Distributor 118, located at connection outdoor heat exchanger 108 and second
On the pipeline of four-way valve 114, one end that distributor 118 is connected with outdoor heat exchanger 108 is provided with multiple firsts, and each first
Mouth is connected by pipeline with outdoor heat exchanger 108, and the other end of distributor 118 is provided with second mouthful, in distributor 118 and room
Multiple pipelines are connected between external heat exchanger 108, distributor 118 there are multiple firsts to be connected with multiple pipelines, distributor
Second mouthful of 118 is connected with the first valve port e of the second four-way valve.
In this embodiment, distributor 118 is located on the pipeline of the connection four-way valve 114 of outdoor heat exchanger 108 and second,
When air-conditioning system is run in cooling mode, the low-temp low-pressure liquid refrigerants flowed out through outdoor heat exchanger 108 is through multiple pipeline streams
After entering the convergence of distributor 118, the second valve port f of the first valve port e and the second four-way valve through the second four-way valve were flowed into
In cold component 110；When air-conditioning system is run in a heating mode, the low-temp low-pressure liquid refrigerants flowed out through throttling arrangement 112 passes through
After 4th valve port h of the second four-way valve and the first valve port e of the second four-way valve flows into distributor 118, by distributor 118
Evenly distribute in the multiple pipelines for flowing into and being connected with outdoor heat exchanger 108, improve the exchange capability of heat of outdoor heat exchanger 108, from
And improve the heating effect of air-conditioning system.
It should be noted that in above-described embodiment, no matter outdoor heat exchanger 108 is carried out in the position such as horizontal, vertical, inclination
Arrangement, distributor 118 all should keep vertical as far as possible, to realize that low temperature and low pressure liquid refrigerant evenly distributes inflow and outdoor heat exchange
In multiple pipelines that device 108 connects.
In the above embodiment, it is preferable that also include：Conflux pipeline, is connected to the four-way of outdoor heat exchanger 108 and first
Between 4th valve port d of valve, the pipeline that confluxes includes at least one branch road 120 and main line 122, and every branch road 120 is with being connected point
Pipeline with device 118 and outdoor heat exchanger 108 is correspondingly arranged, and the one end on main line 122 connects the 4th valve port of the first four-way valve
D, the other end on main line connect with least one branch road 120.
In this embodiment, by the pipeline that confluxes with least one branch road 120 and main line 122 by outdoor heat exchanger
108 and first four-way valve 104 be attached, enter outdoor heat exchanger 108 refrigerant is divided into a plurality of circuit via distributor
Afterwards, then by least one branch road 120 exported so that refrigerant shunts in pipeline and confluxes more steady, and what is distributed is cold
Matchmaker is more uniformly distributed, and slows down the refrigerant in a plurality of branch road and converges caused collision, improves heat exchange efficiency.
Wherein it is preferred to the pipeline that every branch road is connected distributor and outdoor heat exchanger 108 with every corresponds,
Refrigerant in a plurality of pipeline of generation can be reduced to interlock, the possibility of heat exchange efficiency is reduced so as to increase flow resistance.
In the above embodiment, it is preferable that control device, is electrically connected with the first four-way valve 104 and the second four-way valve 114
Connect, control device in the case where air-conditioning system is in refrigeration mode, control the first four-way valve the first valve port a and the first four-way valve the
Four valve port d are connected, and the first valve port b of the first four-way valve connects with the 3rd valve port c of the first four-way valve, and refrigerant is by compressor 102
Outflow, successively by the first four-way valve 104, outdoor heat exchanger 108 until distributor 118, refrigerant are flowed out by distributor 118
Supercooling component 110 is flow to through throttling arrangement via the first valve port e of the second four-way valve and the second valve port f of the second four-way valve
112 and second the 4th valve port h and the 3rd valve port g of the second four-way valve of four-way valve flow through indoor heat exchanger 106, first successively
Four-way valve 104, gas-liquid separator 116, flow back to compressor 102.
In this embodiment, when air-conditioning system is run in cooling mode, control device controls the first of the first four-way valve
Valve port a connects with the 4th valve port d of the first four-way valve, the first valve port b of the first four-way valve and the 3rd valve port c of the first four-way valve
Connection, the gaseous coolant of outflow HTHP is compressed by the first valve port a and the one or four of the first four-way valve through compressor 102
4th valve port d of port valve is flowed into outdoor heat exchanger 108, and the gaseous coolant of HTHP releases heat in outdoor heat exchanger 108
Quantitative change is flowed out for the liquid refrigerants of cryogenic high pressure, is converged to through multiple pipelines between outdoor heat exchanger 108 and distributor 118
In distributor 118, the liquid refrigerants of cryogenic high pressure again by the second four-way valve the first valve port e and the second four-way valve second
Valve port f is flowed into after increase degree of supercooling to enter in throttling arrangement 112 in supercooling component 110 and is depressured, and is flowed through throttling arrangement 112
The liquid refrigerants for going out low-temp low-pressure gets in the gaseous coolant that the absorption heat of heat exchanger 106 is changed into low-temp low-pressure, realizes to room
The effect for reaching cooling is adjusted in interior temperature, and the gaseous coolant of the low-temp low-pressure flowed out through indoor heat exchanger 106 is through gas-liquid point
Enter after purifying gas phase from device 116 in compressor 102, then compressed by compressor 102 and be converted into the gaseous coolant of low-temp low-pressure
The gaseous coolant outflow of HTHP, circulates, realizes refrigeration, reduce indoor temperature successively.
In the above embodiment, it is preferable that control device in the case where air-conditioning system is in heating mode, controls the first four-way valve
The first valve port a connected with the first valve port b of the first four-way valve, control the first four-way valve the 3rd valve port c and the first four-way valve
The 4th valve port d connections, refrigerant flows out by compressor 102, flows through the first four-way valve 104, indoor heat exchanger 106 successively until the
3rd valve port g of two four-way valves and the second valve port f of the second four-way valve flow to supercooling component 110, then is flowed by throttling arrangement 112
The first valve port e of the 4th valve port h and the second four-way valve through the second four-way valve flow to distributor 118, after through multiple pipes
Road flows through outdoor heat exchanger 108, the first four-way valve 104 and gas-liquid separator 116 successively, flows back to compressor 102.
In this embodiment, when air-conditioning system is run in a heating mode, control device controls the first of the first four-way valve
Valve port a connects with the first valve port b of the first four-way valve, the 3rd valve port c of the first four-way valve of control and the 4th of the first four-way valve the
Valve port d is connected, and the high pressure gaseous refrigerant flowed out through compressor 102 flows into the releasing heat of indoor heat exchanger 106 and is changed into medium temperature
The liquid refrigerants outflow of high pressure, realizes the effect for being adjusted to indoor temperature and reaching heating, is flowed out through indoor heat exchanger 106
Threeth valve port g and second four-way valve of the liquid refrigerants of medium temperature high pressure through the second four-way valve the second valve port f flow into supercooling group
Enter in part 110 after increase degree of supercooling in throttling arrangement 112 and be depressured, the liquid of low-temp low-pressure is flowed out through throttling arrangement 112
Fourth valve port h and second four-way valve of the body refrigerant through the second four-way valve the first valve port e are flowed into distributor 118, through dividing
Evenly distributed with device 118 into the multiple pipelines being connected with outdoor heat exchanger 108, the low temperature into outdoor heat exchanger 108 is low
The liquid refrigerants of pressure absorbs the gaseous coolant that heat is changed into low-temp low-pressure, the gaseous coolant of low-temp low-pressure through the first four-way valve the
3rd valve port c of four valve port d and the first four-way valve is flowed into after gas-liquid separator 116 purifies gas phase and flowed into compressor 102, then
The gaseous coolant outflow that the gaseous coolant of low-temp low-pressure is converted into HTHP is compressed by compressor 102, circulates, realizes successively
Heating, improve indoor temperature.
Technical scheme, a kind of air-conditioning system and air-conditioning is described in detail above in association with accompanying drawing, passes through the present invention
Technical method so that flow through supercooling component refrigerant maintain of a relatively high temperature, effectively alleviate air-conditioner outdoor unit bottom
The frosting situation of disk and outdoor heat exchanger.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the present invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of air-conditioning system, including：Compressor (102), the first four-way valve (104), indoor heat exchanger (106), outdoor heat exchange
Device (108), supercooling component (110) and throttling arrangement (112), the first valve port (a) and the compressor of first four-way valve
It is connected, the second valve port (b) of first four-way valve is connected with the indoor heat exchanger, the 4th valve port of first four-way valve
(d) it is connected with the outdoor heat exchanger, it is characterised in that also include：
Second four-way valve (114), the first valve port (e) of second four-way valve is connected with the outdoor heat exchanger (108), described
Second valve port (f) of the second four-way valve with it is described supercooling component (110) be connected, the 3rd valve port (g) of second four-way valve and
The indoor heat exchanger (106) is connected, and the 4th valve port (h) of second four-way valve is connected with the throttling arrangement (112),
Wherein, when air-conditioning is run in a chiller mode, the first valve port (e) of second four-way valve and second four-way valve
Second valve port (f) connects, and the 3rd valve port (g) of second four-way valve connects with the 4th valve port (h) of second four-way valve；
When the air-conditioning is run with heating mode, the first valve port (e) of second four-way valve and the 4th of second four-way valve
Valve port (h) connects, and the second valve port (f) of second four-way valve connects with the 3rd valve port (g) of second four-way valve.
2. air-conditioning system according to claim 1, it is characterised in that also include：
Gas-liquid separator (116), it is described on the pipeline for connecting first four-way valve (104) and the compressor (102)
The entrance of gas-liquid separator (116) is connected with the 3rd valve port (c) of first four-way valve, the gas-liquid separator (116)
Outlet is connected with the air inlet of the compressor (102), and refrigerant flows through the gas by the 3rd valve port (c) of first four-way valve
Liquid/gas separator (116), flow into the compressor (102).
3. air-conditioning system according to claim 2, it is characterised in that also include：
Distributor (118), on the pipeline for connecting the outdoor heat exchanger (108) and second four-way valve (114), institute
State one end that distributor (118) is connected with the outdoor heat exchanger (108) and be provided with multiple firsts, each first leads to
Cross pipeline with the outdoor heat exchanger (108) to be connected, the other end of the distributor (118) is provided with second mouthful, at described point
With multiple pipelines are connected between device (118) and the outdoor heat exchanger (108), the distributor (118) has multiple
Flatly be connected with the multiple pipeline, second mouthful of the distributor (118) with the first valve port (e) of second four-way valve
It is connected.
4. air-conditioning system according to claim 3, it is characterised in that also include：
Conflux pipeline, is connected between the 4th valve port (d) of the outdoor heat exchanger (108) and first four-way valve, institute
Stating the pipeline that confluxes includes at least one branch road (120) and main line (122), and every branch road (120) is with being connected the distribution
The pipeline of device (118) and the outdoor heat exchanger (108) is correspondingly arranged, one end connection described first of the main line (122)
4th valve port (d) of four-way valve, the other end on the main line connect with least one branch road (120).
5. air-conditioning system according to claim 4, it is characterised in that also include：
Control device, electrically connected with first four-way valve (104) and second four-way valve (114), the control device
In the case where the air-conditioning system is in refrigeration mode, the first valve port (a) of first four-way valve and first four-way valve are controlled
The connection of the 4th valve port (d), the 3rd valve port (c) of the second valve port (b) of first four-way valve and first four-way valve is even
It is logical,
The refrigerant is flowed out by the compressor, successively by first four-way valve (104), the outdoor heat exchanger (108)
Until the distributor (118), the refrigerant is flowed out via the first of second four-way valve by the distributor (118)
Second valve port (f) of valve port (e) and second four-way valve flow to the supercooling component (110) through the throttling arrangement
(112) and the 4th valve port (h) of second four-way valve and the 3rd valve port (g) of second four-way valve flow through successively it is described
Indoor heat exchanger (116), first four-way valve (104), the gas-liquid separator (116), flow back to the compressor (102).
6. air-conditioning system according to claim 5, it is characterised in that the control device is in system in the air-conditioning system
Under heat pattern, control the first valve port (a) of first four-way valve to be connected with the second valve port (b) of first four-way valve, control
The 3rd valve port (c) for making first four-way valve connects with the 4th valve port (d) of first four-way valve,
The refrigerant is flowed out by the compressor (102), flows through first four-way valve (104), the indoor heat exchanger successively
(106) until the 3rd valve port (g) of second four-way valve and the second valve port (f) of second four-way valve flow to the mistake
Cold component (110), then flow through by the throttling arrangement (112) the 4th valve port (h) and described second of second four-way valve
First valve port (e) of four-way valve flow to the distributor (118), after flow through the outdoor successively through the multiple pipeline and change
Hot device (108), first four-way valve (104) and the gas-liquid separator (116), flow back to the compressor (102).
7. air-conditioning system according to any one of claim 1 to 6, it is characterised in that
The throttling arrangement (112) includes：Electromagnetic type expansion valve, electrodynamic type expansion valve.
8. air-conditioning system according to any one of claim 1 to 6, it is characterised in that
It is described to be integrally formed for outdoor heat exchanger (108) and the supercooling component (110).
9. air-conditioning system according to any one of claim 1 to 6, it is characterised in that also include：
Fan assembly, including the first blower fan located at the outdoor heat exchanger (108) side, and located at the indoor heat exchanger
(106) the second blower fan of side.
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 |
|---|---|---|---|
| CN201710626386.0A CN107560213A (en) | 2017-07-27 | 2017-07-27 | Air-conditioning system and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710626386.0A CN107560213A (en) | 2017-07-27 | 2017-07-27 | Air-conditioning system and air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107560213A true CN107560213A (en) | 2018-01-09 |
Family
ID=60974733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710626386.0A Pending CN107560213A (en) | 2017-07-27 | 2017-07-27 | Air-conditioning system and air-conditioning |
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| Country | Link |
|---|---|
| CN (1) | CN107560213A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109506399A (en) * | 2018-10-31 | 2019-03-22 | 珠海格力电器股份有限公司 | A kind of be subcooled utilizes structure and air-conditioning system |
| CN111426090A (en) * | 2020-03-24 | 2020-07-17 | 青岛海尔空调电子有限公司 | Control device, air-conditioning heat pump system and control method thereof |
| CN114930097A (en) * | 2020-01-30 | 2022-08-19 | 舒瑞普国际股份公司 | Refrigeration system and method for controlling such a refrigeration system |
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| CN102589184A (en) * | 2012-03-30 | 2012-07-18 | 上海凯菱家电扬州有限公司 | Air conditioning system used in low-temperature environment |
| CN204006823U (en) * | 2014-08-14 | 2014-12-10 | 台州市路桥振兴机械有限公司 | Liquid divider of air-conditioner |
| CN204943956U (en) * | 2015-07-09 | 2016-01-06 | 广东美的暖通设备有限公司 | A kind of efficient cold and warm type air-conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101144662A (en) * | 2007-06-06 | 2008-03-19 | 西安建筑科技大学 | Dual-purpose heat pump device for winter and summer |
| CN102589184A (en) * | 2012-03-30 | 2012-07-18 | 上海凯菱家电扬州有限公司 | Air conditioning system used in low-temperature environment |
| CN204006823U (en) * | 2014-08-14 | 2014-12-10 | 台州市路桥振兴机械有限公司 | Liquid divider of air-conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109506399A (en) * | 2018-10-31 | 2019-03-22 | 珠海格力电器股份有限公司 | A kind of be subcooled utilizes structure and air-conditioning system |
| CN114930097A (en) * | 2020-01-30 | 2022-08-19 | 舒瑞普国际股份公司 | Refrigeration system and method for controlling such a refrigeration system |
| CN111426090A (en) * | 2020-03-24 | 2020-07-17 | 青岛海尔空调电子有限公司 | Control device, air-conditioning heat pump system and control method thereof |
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