CN105241134B - The operation method of gas-liquid separator, air-conditioning system and air-conditioning system - Google Patents
The operation method of gas-liquid separator, air-conditioning system and air-conditioning system Download PDFInfo
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- CN105241134B CN105241134B CN201510675456.2A CN201510675456A CN105241134B CN 105241134 B CN105241134 B CN 105241134B CN 201510675456 A CN201510675456 A CN 201510675456A CN 105241134 B CN105241134 B CN 105241134B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention discloses a kind of gas-liquid separator, including：The confined space that shell and liner respectively constitute, the liner is located in shell, space between shell and liner formed cold passage, space in liner forms over-temperature channel, over-temperature channel has air inlet pipe for introducing refrigerant steam and by the escape pipe of refrigerant steam drainage gas-liquid separator, crossing cold passage has inlet tube for introducing refrigerant liquid and by the outlet tube of refrigerant liquid drainage gas-liquid separator, crosses the refrigerant liquid in cold passage and carry out heat exchange with the refrigerant steam in over-temperature channel.The higher refrigerant liquid of temperature flows in two spaces with the lower refrigerant steam of temperature and carries out heat exchange respectively, the degree of superheat of the degree of supercooling and refrigerant steam of refrigerant liquid can be improved, to improve heating/cold of unit mass refrigerant, and improve the compressor air suction degree of superheat and oil overheating degree, liquid hammer possibility is reduced, and then improves the reliability of compressor.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular to a kind of gas-liquid separator, the air-conditioning comprising the gas-liquid separator
The operation method of system and the air-conditioning system.
Background technology
For air-conditioner set under refrigerating state, refrigerant is changed into the gas of high temperature and pressure by compressor compresses, passes through four-way
Valve enters outdoor heat exchanger (condenser), becomes the liquid of medium temperature high pressure after condenser inhales cold heat release, after expanded valve, becomes
Become the gas of low-temp low-pressure after indoor heat exchanger (evaporator) heat absorption lets cool effect at the liquid of low-temp low-pressure, passes through
It crosses four-way valve and returns to compressor, then proceed to recycle.Air-conditioner set changes refrigerant flow direction under heating state, by four-way valve,
Refrigerant is changed into the gas of high temperature and pressure by compressor compresses, and heat exchanger (condenser) is got in by four-way valve,
Condenser inhales the liquid for becoming medium temperature high pressure after cold heat release, becomes the liquid of low-temp low-pressure after expanded valve, is handed over by outdoor heat
After parallel operation (evaporator) heat absorption lets cool effect, becomes the gas of low-temp low-pressure, compressor is returned to by four-way valve, then proceed to follow
Ring.
Air-conditioner set realizes that the means of supercooling are mainly the following at present：1, increase super cooled sect, the party within the condenser
Formula can increase the volume of condenser and the occupied space of complete machine, not meet client's requirement small to air-conditioning；In addition, passing through increasing
Add super cooled sect (such as plate heat exchanger) to realize supercooling, can also increase material cost and processing cost；2, using in condenser
Increase high pressure fluid reservoir afterwards, when unit lacks refrigerant, can be compensated with storing more refrigerants, and still, the means are not
There are the supercooling for carrying out refrigerant, efficiency that cannot be promoted；3, the supercooling of refrigerant is carried out by increasing gas-liquid separator, as shown in Figure 1,
A kind of air-conditioner set of the prior art is provided with gas-liquid separator, wherein gas-liquid separator be mounted on evaporator and compressor it
Between, the refrigerant vapour for the overheat being discharged from gas-liquid separator 100 is inhaled into compressor 200, and after overcompression, it is high to form high temperature
The gas of pressure enters condenser 300 and exchanges heat, and the refrigerant liquid of high pressure medium temperature, then, refrigerant are formed after condensation
Liquid enters in the supercooling access of gas-liquid separator 100, forms drainage gas-liquid separator 100 after the refrigerant liquid of supercooling, connects
It and flows through the throttling of throttle valve 400, the refrigerant for forming the gas-liquid two-phase of low-pressure low-temperature after throttling enters evaporator 500, Jin Er
It is evaporated in evaporator, forms refrigerant vapour, refrigerant vapour enters in the heat passage excessively of gas-liquid separator 100, forms overheat
Refrigerant vapour after drainage gas-liquid separator 100, compressor 200 is then inhaled into again, to realize entire refrigeration/system
Thermal cycle.But the gas-liquid separator can not effectively take into account the mode that refrigerant is subcooled refrigeration, the heating mode of unit.
Invention content
The purpose of the present invention is to provide a kind of gas-liquid separators, which is applied in air-conditioning system, can
It realizes and refrigerant is subcooled.
Another object of the present invention is to provide a kind of gas-liquid separators, which is applied to air-conditioning system
In, it can be achieved that storage to liquid refrigerants.
It is still another object of the present invention to provide a kind of gas-liquid separators, which is applied to air-conditioning system
In, the suction superheat of compressor can be improved, reduce the possibility of liquid hammer.
Another object of the present invention is to provide a kind of gas-liquid separator, which is applied into air-conditioning system
In, it can effectively take into account the refrigerating/heating pattern of unit.
Another object of the present invention is to provide a kind of gas-liquid separator, simple in structure, operability is strong.
A further purpose of the present invention is to provide a kind of air-conditioning system, the compressor that can effectively avoid existing air-conditioning system is inhaled
The gas degree of superheat is low, and/or, refrigerant degree of supercooling is low, and/or, refrigerant supplements the problems such as insufficient.
For this purpose, the present invention uses following technical scheme：
On the one hand, a kind of gas-liquid separator is provided, including：The confined space that shell and liner respectively constitute, the liner
In shell, the space between the shell and the liner formed cold passage, and the space in the liner forms overheat
Channel, the over-temperature channel have air inlet pipe for introducing refrigerant steam and the gas-liquid separator are discharged in refrigerant steam
Escape pipe, the cold passage of crossing have inlet tube for introducing refrigerant liquid and the gas-liquid separator are discharged in refrigerant liquid
Outlet tube, the refrigerant steam crossed in refrigerant liquid and the over-temperature channel in cold passage carries out heat exchange.
Preferably, the inlet tube have respectively for the refrigerant liquid of refrigerating/heating pattern by first entrance and the
Two entrances.
On the other hand, a kind of air-conditioning system is provided, including：Indoor unit and outdoor unit, the indoor unit include the first heat exchange
Device, the outdoor unit include the second heat exchanger, compressor, the gas-liquid separator, four-way valve, and the First Heat Exchanger has the
There is third media port and the 4th media port, the compressor to have for one media port and second medium mouth, second heat exchanger
Suction port of compressor and compressor outlet, the suction port of compressor connect the escape pipe of the gas-liquid separator, and the compressor goes out
Mouthful connect the four-way valve, the air inlet pipe of the gas-liquid separator connects the four-way valve, described in the first medium mouth connection
Four-way valve, the third media port connect the four-way valve；
Further include the first branch, the second branch, third branch and the 4th branch, wherein described in the first branch connection
Second medium mouth and the outlet tube, the second branch connect the 4th media port and the first entrance, the third
Branch connects the 4th media port and the outlet tube, and the 4th branch connects the second medium mouth and enters with described second
Mouthful, it is both provided with solenoid valve in the first branch, the second branch, third branch and the 4th branch, for controlling each branch
Break-make.
In another aspect, also providing a kind of operation method of air-conditioning system, when air-conditioning system is in refrigeration mode, institute is controlled
State the first branch and the second branch conducting, the third branch and the 4th branch block, suck compressor refrigerant compressed after
Four-way valve is flowed through, heat exchange is carried out into the second heat exchanger, by the refrigerant liquid of the second heat exchanger discharge from the second branch, described
The first entrance of inlet tube enters the mistake cold passage of the gas-liquid separator, and hot friendship is carried out with the refrigerant steam in gas-liquid separator
It changes, realizes that the supercooling of refrigerant liquid, the refrigerant liquid after heat exchange are discharged by outlet tube, enter the first heat exchange through the first branch
Device carries out heat exchange, and the refrigerant steam being discharged by First Heat Exchanger flows through four-way valve and enters the gas-liquid separation from the air inlet pipe
The over-temperature channel of device carries out heat exchange with the refrigerant liquid in gas-liquid separator, the overheat of refrigerant steam is realized, after heat exchange
Refrigerant steam be discharged by escape pipe, be again sucked into compressor, realize the refrigeration cycle of air-conditioning system；Alternatively,
When air-conditioning system is in heating mode, controls the first branch and the second branch blocks, the third branch
With the 4th branch be connected, suck compressor refrigerant compressed after flow through four-way valve, into First Heat Exchanger carry out heat exchange, by
The refrigerant liquid of First Heat Exchanger discharge enters the mistake of the gas-liquid separator from the second entrance of the 4th branch, the inlet tube
Refrigerant steam in cold passage, with gas-liquid separator carries out heat exchange, realizes the supercooling of refrigerant liquid, the refrigerant after heat exchange
Liquid is discharged by outlet tube, and entering the second heat exchanger through third branch carries out heat exchange, is steamed by the refrigerant of the second heat exchanger discharge
Steam flow enters the over-temperature channel of the gas-liquid separator through four-way valve from the air inlet pipe, with the refrigerant liquid in gas-liquid separator
Heat exchange is carried out, realizes that the overheat of refrigerant steam, the refrigerant steam after heat exchange are discharged by escape pipe, is again sucked into compression
Machine realizes the heating cycle of air-conditioning system.
Beneficial effects of the present invention are：The gas-liquid separator of the present invention is formed in liner and is supplied by the way that shell and liner is arranged
Refrigerant steam by over-temperature channel, space between shell and liner formed for refrigerant liquid by mistake cold passage so that
The higher refrigerant liquid of temperature flows in two spaces with the lower refrigerant steam of temperature and carries out heat exchange, Ke Yiti respectively
The degree of superheat of the degree of supercooling and refrigerant steam of high refrigerant liquid, to improve heating capacity/refrigerating capacity of unit mass refrigerant, and
The compressor air suction degree of superheat and oil overheating degree are improved, reduces the possibility of liquid hammer, and then improve the reliability of compressor；Gas-liquid
The structure of separator is more simple, and the mode to exchange heat relative to traditional supercooling tube can reduce cost, and provide facility for dismounting.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of air-conditioner set disclosed in the prior art；
Fig. 2 is the structural schematic diagram of gas-liquid separator provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the inlet tube of gas-liquid separator provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of air-conditioning system provided in an embodiment of the present invention；
Fig. 5 is the fundamental diagram of the refrigeration cycle of air-conditioning system provided in an embodiment of the present invention；
Fig. 6 is the fundamental diagram of the heating cycle of air-conditioning system provided in an embodiment of the present invention；
Fig. 7 is the refrigeration system flow chart of air-conditioning system provided in an embodiment of the present invention；
Fig. 8 is the heating system flow chart of air-conditioning system provided in an embodiment of the present invention.
In figure：
100, gas-liquid separator；200, compressor；300, condenser；400, throttle valve；500, evaporator；
1, gas-liquid separator；11, shell；12, liner；13, air inlet pipe；14, escape pipe；141, liquid back pipe；15, feed liquor
Pipe；151, first entrance；152, second entrance；153, third entrance；154, the first branch pipe；155, the second branch pipe；16, go out liquid
Pipe；17, internal bladder support；
2, indoor unit；21, First Heat Exchanger；211, first medium mouth；212, second medium mouth；
3, outdoor unit；31, the second heat exchanger；311, third media port；312, the 4th media port；32, compressor；321, it presses
Contracting machine entrance；322, compressor outlet；33, four-way valve；34, electric expansion valve；35, the first branch；36, the second branch；37,
Three branches；38, the 4th branch；39, solenoid valve；40, first filter；41, the second filter.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that, term "center", " length ", " width ", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；Can be mechanical connection,
It can be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the company inside two elements
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Fig. 2 is the structural schematic diagram of gas-liquid separator provided in an embodiment of the present invention.Refering to what is shown in Fig. 2, the present invention provides
A kind of gas-liquid separator 1, including：The confined space that shell 11 and liner 12 respectively constitute, liner 12 are located in shell 11, shell
Space between 11 and liner 12 formed cold passage, and the space in liner 12 forms over-temperature channel, and the over-temperature channel has
Air inlet pipe 13 for introducing refrigerant steam and by the escape pipe 14 of refrigerant steam drainage gas-liquid separator 1, it is described to cross cold passage
With for introducing refrigerant liquid inlet tube 15 and by the outlet tube 16 of refrigerant liquid drainage gas-liquid separator 1, the supercooling
Refrigerant liquid in channel carries out heat exchange with the refrigerant steam in the over-temperature channel.
The present invention by the way that shell 11 and liner 12 is arranged, formed in liner 12 for refrigerant steam by over-temperature channel, outside
Space between shell 11 and liner 12 formed for refrigerant liquid by mistakes cold passage so that the higher refrigerant liquid of temperature with it is warm
It spends lower refrigerant steam and carries out heat exchange, the degree of superheat of the degree of supercooling and refrigerant steam of refrigerant liquid can be improved, to carry
Heating capacity/refrigerating capacity of high unit mass refrigerant, and the compressor air suction degree of superheat and oil overheating degree are improved, reduce liquid hammer
Possibility, and then improve the reliability of compressor.The present invention gas-liquid separator using refrigerant liquid directly shell 11 with it is interior
Spatial flow between courage 12, and exchange heat with the refrigerant steam flowed in liner 12, heat exchange structure is two independent whole
Body structure；And the gas-liquid separator of the prior art using refrigerant liquid supercooling Bottomhole pressure, and with tracheal strips refrigerant steam into
Row heat exchange, supercooling tube may need to be arranged it is multiple, in addition, supercooling tube also needs to be designed to meandering configuration, it is seen then that gas of the invention
The structure of liquid/gas separator is more simplified, can reduce cost, and provide facility for dismounting.
In some embodiments of the present invention, inlet tube 15 has to be passed through for the refrigerant liquid of refrigerating/heating pattern respectively
First entrance 151 and second entrance 152.There is refrigerating/heating pattern when air-conditioner set is run, in refrigerating/heating pattern,
Refrigerant flow direction is different, and the opportunity into gas-liquid separator is also different, for example, in refrigeration mode, is arranged by condenser
The liquid refrigerants gone out enter gas-liquid separator realize refrigerant supercooling, in heating mode, by evaporator discharge liquid refrigerants into
Enter gas-liquid separator and realize refrigerant supercooling, therefore, the pipeline structure of refrigerant supercooling is different when refrigerating/heating pattern, this hair
The inlet tube of the mistake cold passage of bright gas-liquid separator carries two entrances (first entrance 151 and second entrance 152), Ke Yipei
Close respective line and well adapt to the refrigerating/heating pattern of unit, only disclose compared with the existing technology introduced by inlet tube it is cold
Matchmaker's liquid, the present invention have the advantages that operability is strong.
Inlet tube 15 further includes that the refrigerant liquid for flowing into first entrance 151 or second entrance 152 is introduced to the supercooling
The third entrance 153 in channel, third entrance 153 are arranged to, in shell 11 and close to the top of liner 12, flow through third entrance
153 refrigerant liquid can from top to bottom spray liner 12, and carry out heat exchange with the refrigerant steam in liner 12.Art technology
Personnel are it is understood that the third entrance 153 of the present invention is located at the top position, including surface, oblique upper etc. of liner 12
Position is suitable for the present invention as long as meeting and can carry out spray heat exchange to liner 12.Preferably, third entrance 153 is set
For the surface of the top center of liner 12.The present invention by being arranged third entrance 153 in the top position of liner 12,
Cooling medium liquid body can be made directly to spray liner and complete heat exchange, equal liquid pipe is set compared with the existing technology and was assigned to refrigerant liquid
The structure to exchange heat in cold pipe, it is clear that structure of the invention more simple possible, easy to implement.
As the example of the present invention, Fig. 3 shows a kind of structure of inlet tube, as shown in figure 3, inlet tube 15 includes
The first branch pipe 154 and the second branch pipe 155 being connected with each other, the first branch pipe 154 have two nozzles, and two nozzles are respectively as first
There are two nozzles, the nozzle of one of them to be connected to the first branch pipe 154 for entrance 151 and second entrance 152, the second branch pipe 155, separately
One nozzle is as third entrance 153.First entrance 151 can with third entrance 153 with third entrance 153 and second entrance 152
The connection or blocking of selectivity, it is therefore intended that make the refrigerant liquid introduced by first entrance 151 or second entrance 152 can be through the
Three entrances 153 were flow in cold passage, improved heat exchanger effectiveness.It is more to realize that above-mentioned selectivity connection or the mode blocked have
Kind, for example, triple valve is arranged in the intersection of the first branch pipe and the second branch pipe；For another example, in two cut-offs of setting in the first branch pipe
Valve.
The inlet tube 15 of the present invention is disposed proximate to the upper end of shell 11, and outlet tube 16 is disposed proximate to shell 11
Lower end.Inlet tube 15 extends to the top of liner 12 through the head cover of shell 11, and outlet tube 16 runs through the side wall of shell 11, can make
The refrigerant liquid of mistake cold passage in shell 11 is smoothly discharged.Such as copper can be used in inlet tube 15, the outlet tube 16 of the present invention
The materials such as pipe are made, and the modes such as welding can be used with shell 11 and be fixedly connected.
In some embodiments of the present invention, the air inlet pipe 13 of the over-temperature channel, escape pipe 14 can be by shell 11 outside
Portion extends to inside liner 12, in formation gas-liquid separation space in liner 12.Refrigerant steam is introduced by air inlet pipe 13 to hand over through overheat
Heating forms dry gas and is drawn into compressor from escape pipe 14 after changing.
Preferably, air inlet pipe 13 is located at the nozzle edge level side that the nozzle in liner 12 is located at escape pipe 14 in liner 12
To being staggered, the distance that is staggered is preferably more than 50mm.Escape pipe 14, which is located at the nozzle in liner 12 and is arranged on air inlet pipe 13, to be located at
The difference in height of the top of nozzle in liner 12, the two is preferably more than 50mm.Such purpose of design is, can make air inlet pipe 13
The refrigerant steam of introducing is changed into gaseous state, is then re-introduced into escape pipe by fully heating, liquid, and liquid hammer situation is avoided to produce
It is raw.Escape pipe 14 is located at the nozzle in the liner 12 with respect to the horizontal plane into 20~40 °, preferably 30 ° of angular cut.
Preferably, escape pipe 14 is U-tube structure, is equipped with one or more hole for back flow in the bottom of U-tube structure or returns
Liquid pipe 141 so that gas-liquid can be entered via hole for back flow or liquid back pipe 141 by entering the liquid of the non-evaporating completely of U-tube structure
The bottom of the liner 12 of separator, to achieve the purpose that the more refrigerant liquid of storage can be mended in time when unit lacks refrigerant
It fills.The aperture of hole for back flow or the inner diameter size of liquid back pipe 141 are 3~4mm, and the quantity of hole for back flow or liquid back pipe can be according to practical need
To determine.
The making of the materials such as copper pipe can be used in air inlet pipe 13 and escape pipe 14, can with shell 11 and/or liner 12
It is fixedly connected using modes such as welding.
Liner 12 is fixed on by internal bladder support 17 in shell 11.Internal bladder support 17 can be fixedly welded on shell 11 in advance
It is interior, then liner 12 and internal bladder support 17 is made to be fixed by the modes such as welding, being clamped.Certainly, it will be appreciated by those skilled in the art that
, above assembly method and fixed form is a kind of concrete implementation mode, and the present invention is not limited thereto.
Fig. 4 is the structural schematic diagram of air-conditioning system provided in an embodiment of the present invention.As shown in figure 4, sky provided by the invention
Adjusting system, including：Indoor unit 2 and outdoor unit 3, indoor unit 2 include First Heat Exchanger 21, outdoor unit 3 include the second heat exchanger 31,
Compressor 32, gas-liquid separator 1, four-way valve 33 and electric expansion valve 34, First Heat Exchanger 21 have first medium mouth 211 and the
There is third media port 311 and the 4th media port 312, compressor 32 to enter with compressor for second medium mouth 212, the second heat exchanger 31
Mouth 321 and compressor outlet 322, suction port of compressor 321 connect the escape pipe 14 of gas-liquid separator 1, and compressor outlet 322 connects
The air inlet pipe 13 of four-way valve 33, gas-liquid separator 1 connects four-way valve 33, and first medium mouth 211 connects four-way valve 33, third medium
Mouth 311 connects four-way valves 33；
Further include the first branch 35, the second branch 36, third branch 37 and the 4th branch 38, wherein the first branch 35 connects
Connect second medium mouth 212 and outlet tube 16, the 4th media port 312 of the connection of the second branch 36 and first entrance 151, third branch 37
The 4th media port 312 and outlet tube 16 are connected, the 4th branch 38 connects second medium mouth 212 and second entrance 152, in first
Road 35, the second branch 36, third branch 37 and the 4th branch 38 are both provided with solenoid valve 39, the break-make for controlling each branch.
Air-conditioning system provided by the invention is by the branch of four controllable break-makes of setting, the gas-liquid separator with the present invention
It matches, can effectively take into account the refrigerating/heating pattern of air-conditioning system.When air-conditioning system is in refrigeration mode, pass through control the
One branch 35 and the second branch 36 are connected, and third branch 37 and the 4th branch 38 block, by the 4th medium of the second heat exchanger 31
The refrigerant liquid of mouthfuls 312 outflows enter through first entrance 151 in gas-liquid separator 1, with the refrigerant steam in gas-liquid separator 1 into
The suction superheat of the supercooling and compressor 32 of refrigerant is realized in row heat exchange；When air-conditioning system is in heating mode, pass through control
The first branch 35 and the second branch 36 processed block, third branch 37 and the conducting of the 4th branch 38, by the second of First Heat Exchanger 21
The refrigerant liquid that media port 212 flows out enters through second entrance 152 in gas-liquid separator 1, is steamed with the refrigerant in gas-liquid separator 1
Vapour carries out heat exchange, realizes the suction superheat of the supercooling and compressor 32 of refrigerant.
Specifically, four-way valve 33 includes tetra- valve ports of A, B, C, D, and first medium mouth 211 connects the valve port B, compressor
322 connection valve port A of outlet, third media port 311 connect valve port D, and air inlet pipe 13 connects valve port C.When in refrigeration mode, institute
It states valve port A to be connected with the valve port D, the valve port B is connected with the valve port C；When in heating mode, the valve port A with
The valve port B conductings, the valve port C are connected with the valve port D.
Preferably, be disposed between outlet tube 16 and the first branch 35 or third branch 37 first filter 40,
Electric expansion valve 34 and the second filter 41.Refrigerant liquid is set to be carried out before entering First Heat Exchanger 21 or the second heat exchanger 31
Filter and throttling processing, further increase the stability and efficiency of system.
Certainly, it will be appreciated by persons skilled in the art that the air-conditioning system of the present invention further includes the components such as wind turbine, due to
And the improvements of non-present invention, it does not repeat herein.
The embodiments of the present invention also provide a kind of operation method of air-conditioning system, Fig. 5 is provided in an embodiment of the present invention
The fundamental diagram of the refrigeration cycle of air-conditioning system.As shown in figure 5, when air-conditioning system is in refrigeration mode, control described the
One branch and the second branch conducting, the third branch and the 4th branch block, suck compressor refrigerant compressed after flow through
Four-way valve carries out heat exchange into the second heat exchanger, by the refrigerant liquid of the second heat exchanger discharge from the second branch, the feed liquor
The first entrance of pipe enters the mistake cold passage of the gas-liquid separator, and heat exchange is carried out with the refrigerant steam in gas-liquid separator,
It realizes that the supercooling of refrigerant liquid, the refrigerant liquid after heat exchange are discharged by outlet tube, enters First Heat Exchanger through the first branch
Heat exchange is carried out, the refrigerant steam being discharged by First Heat Exchanger flows through four-way valve and enters the gas-liquid separator from the air inlet pipe
Over-temperature channel, in gas-liquid separator refrigerant liquid carry out heat exchange, realize refrigerant steam overheat, after heat exchange
Refrigerant steam is discharged by escape pipe, is again sucked into compressor, realizes the refrigeration cycle of air-conditioning system.
Fig. 6 is the fundamental diagram of the heating cycle of air-conditioning system provided in an embodiment of the present invention.As shown in fig. 6, when sky
When adjusting system is in heating mode, controls the first branch and the second branch blocks, the third branch and the 4th branch are led
It is logical, suck compressor refrigerant compressed after flow through four-way valve, carry out heat exchange into First Heat Exchanger, arranged by First Heat Exchanger
The refrigerant liquid gone out enters the mistake cold passage of the gas-liquid separator from the second entrance of the 4th branch, the inlet tube, with gas
Refrigerant steam in liquid/gas separator carries out heat exchange, realizes the supercooling of refrigerant liquid, the refrigerant liquid after heat exchange is by going out liquid
Pipe is discharged, and entering the second heat exchanger through third branch carries out heat exchange, and the refrigerant steam being discharged by the second heat exchanger flows through four-way
Valve enters the over-temperature channel of the gas-liquid separator from the air inlet pipe, and hot friendship is carried out with the refrigerant liquid in gas-liquid separator
It changes, realizes that the overheat of refrigerant steam, the refrigerant steam after heat exchange are discharged by escape pipe, be again sucked into compressor, realize
The heating of air-conditioning system recycles.
Fig. 7 is the refrigeration system flow chart of air-conditioning system provided in an embodiment of the present invention.Specifically, as shown in fig. 7, when sky
When adjusting system is in refrigeration mode, the valve port A of four-way valve 33 is connected with valve port D, and valve port B is connected with valve port C, 35 He of the first branch
Solenoid valve in the second branch 36 is opened, and two branches is made to be connected, and the solenoid valve on third branch 37 and the 4th branch 38 is closed, and is made
Two branches block, sucking compressor 32 refrigerant compressed after exported from compressor outlet 322, flow through the valve port A of four-way valve 33
With valve port D, the second heat exchanger 31 is entered by third media port 311 and carries out heat exchange, refrigerant liquid after heat exchange is from the 4th medium
Mouth 312 enters the second branch 36, the mistake cold passage of gas-liquid separator 1 is entered from first entrance 151, in gas-liquid separator 1
Refrigerant steam carries out heat exchange, realizes the supercooling of refrigerant liquid, and the refrigerant liquid after heat exchange passes through successively from the output of outlet tube 16
Enter the first branch 35 after first filter 40, electric expansion valve 39, the second filter 41, enters the from second medium mouth 212
One heat exchanger 21 carries out heat exchange, and the refrigerant steam after heat exchange flows through the valve port B and valve port of four-way valve 33 from first medium mouth 211
C enters the over-temperature channel of gas-liquid separator 1 from air inlet pipe 13, and heat exchange is carried out with the refrigerant liquid in gas-liquid separator 1, real
The overheat of existing refrigerant steam, the refrigerant steam after heat exchange are exported by escape pipe 14, and compression is again sucked into from compressor inlet 321
Machine 32 realizes the refrigeration cycle of air-conditioning system.
Fig. 8 is the heating system flow chart of air-conditioning system provided in an embodiment of the present invention.Specifically, as shown in figure 8, when sky
When adjusting system is in heating mode, the valve port A of four-way valve 33 is connected with valve port B, and valve port D is connected with valve port C, 35 He of the first branch
Solenoid valve in the second branch 36 is closed, and two branches is made to block, and the solenoid valve on third branch 37 and the 4th branch 38 is opened, and is made
Two branches be connected, sucking compressor 32 refrigerant compressed after exported from compressor outlet 322, flow through the valve port A of four-way valve 33
With valve port B, First Heat Exchanger 21 is entered by first medium mouth 211 and carries out heat exchange, refrigerant liquid after heat exchange is from second medium
Mouth 212 enters the 4th branch 38, the mistake cold passage of gas-liquid separator 1 is entered from second entrance 152, in gas-liquid separator 1
Refrigerant steam carries out heat exchange, realizes the supercooling of refrigerant liquid, and the refrigerant liquid after heat exchange passes through successively from the output of outlet tube 16
Enter third branch 37 after first filter 40, electric expansion valve 39, the second filter 41, enters the from the 4th media port 312
Two heat exchangers 31 carry out heat exchange, and the refrigerant steam after heat exchange flows through the valve port D and valve port of four-way valve 33 from third media port 311
C enters the over-temperature channel of gas-liquid separator 1 from air inlet pipe 13, and heat exchange is carried out with the refrigerant liquid in gas-liquid separator 1, real
The overheat of existing refrigerant steam, the refrigerant steam after heat exchange are exported by escape pipe 14, and compression is again sucked into from compressor inlet 321
Machine 32 realizes the heating cycle of air-conditioning system.
In the description of this specification, the description of reference term " some embodiments ", " example " etc. means to combine the implementation
Example or example particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.
In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description
Particular features, structures, materials, or characteristics can be tied in an appropriate manner in any one or more of the embodiments or examples
It closes.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (9)
1. a kind of gas-liquid separator, which is characterized in that including：The confined space that shell (11) and liner (12) respectively constitute, institute
Liner (12) is stated to be located in shell (11)；
Space between the shell (11) and the liner (12) formed cold passage, and the cold passage of crossing has for introducing
The inlet tube (15) of refrigerant liquid and the outlet tube (16) that refrigerant liquid is discharged to the gas-liquid separator；
Space in the liner (12) forms over-temperature channel, and the over-temperature channel has the air inlet pipe for introducing refrigerant steam
(13) and by refrigerant steam the escape pipe (14) of the gas-liquid separator is discharged；
It is described to cross the refrigerant liquid in cold passage and the refrigerant steam progress heat exchange in the over-temperature channel；
The inlet tube (15) have respectively for the refrigerant liquid of refrigerating/heating pattern by first entrance (151) and second
Entrance (152)；The inlet tube (15) further includes will flow into the first entrance (151) or the second entrance (152) cold
Matchmaker's liquid is introduced to the third entrance (153) for crossing cold passage；
The air inlet pipe (13), the escape pipe (14) are internal by the liner (12) is extended to outside the shell (11).
2. gas-liquid separator according to claim 1, which is characterized in that the third entrance (153) is arranged to described
Top in shell (11) and close to the liner (12), the refrigerant liquid for flowing through the third entrance (153) can be from top to bottom
The liner (12) is sprayed, and heat exchange is carried out with the refrigerant steam in the liner (12).
3. gas-liquid separator according to claim 1, which is characterized in that
The air inlet pipe (13) is located at the nozzle in the liner (12) and is located in the liner (12) with the escape pipe (14)
Nozzle be staggered in the horizontal direction.
4. gas-liquid separator according to claim 3, which is characterized in that the escape pipe (14) is located at the liner (12)
Interior nozzle is arranged on the top for the nozzle that the air inlet pipe (13) is located in the liner (12).
5. gas-liquid separator according to claim 3, which is characterized in that the escape pipe (14) is U-tube structure, in U
The bottom of shape pipe structure is equipped with one or more hole for back flow or liquid back pipe (141).
6. a kind of air-conditioning system, including：Indoor unit (2) and outdoor unit (3)；
The indoor unit (2) includes First Heat Exchanger (21), and the First Heat Exchanger (21) has first medium mouth (211) and the
Second medium mouth (212)；
The outdoor unit (3) includes the second heat exchanger (31), compressor (32), four-way valve (33)；Second heat exchanger (31)
With third media port (311) and the 4th media port (312), the compressor (32) has suction port of compressor (321) and compresses
Machine exports (322)；
It is characterized in that, the outdoor unit (3) further includes：
Gas-liquid separator (1) according to claim 2 or 3, the suction port of compressor (321) connect the gas-liquid separator (1)
Escape pipe (14), the compressor outlet (322) connects the four-way valve (33), the air inlet pipe of the gas-liquid separator (1)
(13) four-way valve (33) is connected, the first medium mouth (211) connects the four-way valve (33), the third media port
(311) four-way valve (33) is connected；
The first branch 35, the first branch (35) connect the second medium mouth (212) and the outlet tube (16)；
The second branch 36, the second branch (36) connect the 4th media port (312) and the first entrance (151)；
Third branch 37, the third branch (37) connect the 4th media port (312) and the outlet tube (16)；
4th branch 38, the 4th branch (38) connect the second medium mouth (212) and the second entrance (152)；
Wherein, it is both provided with electricity in the first branch (35), the second branch (36), third branch (37) and the 4th branch (38)
Magnet valve (39), the break-make for controlling each branch.
7. air-conditioning system according to claim 6, which is characterized in that the four-way valve (33) has tetra- valves of A, B, C, D
Mouthful, the first medium mouth (211) connects the valve port B, and the compressor outlet (322) connects valve port A, the third medium
Mouth (311) connection valve port D, air inlet pipe (13) the connection valve port C.
8. a kind of operation method using the air-conditioning system described in claim 6, which is characterized in that when air-conditioning system is in refrigeration
When pattern, the first branch and the second branch conducting are controlled, the third branch and the 4th branch block, and suck compressor
Refrigerant flows through four-way valve after being compressed, into the second heat exchanger carry out heat exchange, by the second heat exchanger discharge refrigerant liquid from
The second branch, the first entrance of the inlet tube enter the mistake cold passage of the gas-liquid separator, and cold in gas-liquid separator
Matchmaker's steam carries out heat exchange, realizes the supercooling of refrigerant liquid, the refrigerant liquid after heat exchange is discharged by outlet tube, through first
Road enter First Heat Exchanger carry out heat exchange, by First Heat Exchanger be discharged refrigerant steam flow through four-way valve from the air inlet pipe into
The over-temperature channel for entering the gas-liquid separator carries out heat exchange with the refrigerant liquid in gas-liquid separator, realizes refrigerant steam
Overheat, the refrigerant steam after heat exchange are discharged by escape pipe, are again sucked into compressor, realize that the refrigeration of air-conditioning system is followed
Ring；Alternatively,
When air-conditioning system is in heating mode, controls the first branch and the second branch and block, the third branch and the
Four branches be connected, suck compressor refrigerant compressed after flow through four-way valve, into First Heat Exchanger carry out heat exchange, by first
The supercooling that the refrigerant liquid of heat exchanger discharge enters the gas-liquid separator from the second entrance of the 4th branch, the inlet tube is logical
Refrigerant steam in road, with gas-liquid separator carries out heat exchange, realizes the supercooling of refrigerant liquid, the refrigerant liquid after heat exchange
It is discharged by outlet tube, entering the second heat exchanger through third branch carries out heat exchange, the refrigerant steam stream being discharged by the second heat exchanger
The over-temperature channel for entering the gas-liquid separator from the air inlet pipe through four-way valve, carries out with the refrigerant liquid in gas-liquid separator
Heat exchange realizes that the overheat of refrigerant steam, the refrigerant steam after heat exchange are discharged by escape pipe, is again sucked into compressor,
Realize the heating cycle of air-conditioning system.
9. a kind of operation method using the air-conditioning system described in claim 7, which is characterized in that when air-conditioning system is in refrigeration
When pattern, the valve port A of the four-way valve (33) is connected with valve port D, and valve port B is connected with valve port C, the first branch (35) and institute
The solenoid valve stated in the second branch (36) is opened, and two branches is made to be connected, the third branch (37) and the 4th branch (38)
On solenoid valve close, so that two branches is blocked, suck the compressor (32) refrigerant compressed after from compressor outlet (322)
Output, flows through the valve port A and valve port D of the four-way valve (33), enters second heat exchanger by the third media port (311)
(31) heat exchange is carried out, the refrigerant liquid after heat exchange enters the second branch (36) from the 4th media port (312), from institute
The mistake cold passage that first entrance (151) enters the gas-liquid separator (1) is stated, is steamed with the refrigerant in the gas-liquid separator (1)
Vapour carries out heat exchange, realizes the supercooling of refrigerant liquid, and the refrigerant liquid after heat exchange is from described in the outlet tube (16) output entrance
The first branch (35) enters the First Heat Exchanger (21) from the second medium mouth (212) and carries out heat exchange, cold after heat exchange
Matchmaker's steam flows through the valve port B and valve port C of the four-way valve (33) from the first medium mouth (211), from the air inlet pipe (13)
Heat exchange is carried out into the refrigerant liquid in the over-temperature channel of the gas-liquid separator (1), with the gas-liquid separator (1), it is real
The overheat of existing refrigerant steam, the refrigerant steam after heat exchange are exported by the escape pipe (14), again from the compressor inlet (321)
It is secondary to be inhaled into compressor (32), realize the refrigeration cycle of air-conditioning system；Alternatively,
When air-conditioning system is in heating mode, the valve port A of the four-way valve (33) is connected with valve port B, and valve port D is led with valve port C
Logical, the solenoid valve on the first branch (35) and the second branch (36) is closed, and so that two branches is blocked, the third branch
(37) solenoid valve and on the 4th branch (38) is opened, and so that two branches is connected, is sucked the refrigerant quilt of the compressor (32)
It is exported from the compressor outlet (322) after compression, flows through the valve port A and valve port B of the four-way valve (33), be situated between by described first
Matter mouth (211) enters the First Heat Exchanger (21) and carries out heat exchange, and refrigerant liquid after heat exchange is from the second medium mouth
(212) enter the 4th branch (38), the mistake cold passage of the gas-liquid separator (1) entered from the second entrance (152),
Heat exchange is carried out with the refrigerant steam in the gas-liquid separator (1), realizes the supercooling of refrigerant liquid, the refrigerant liquid after heat exchange
It is exported from the outlet tube (16) and enters the third branch (37), entering described second from the 4th media port (312) changes
Hot device (31) carries out heat exchange, and the refrigerant steam after heat exchange flows through the four-way valve (33) from the third media port (311)
Valve port D and valve port C enters the over-temperature channel of the gas-liquid separator (1) from the air inlet pipe (13), with the gas-liquid separator
(1) the refrigerant liquid in carries out heat exchange, realizes the overheat of refrigerant steam, the refrigerant steam after heat exchange is by the escape pipe (14)
Output, compressor (32) is again sucked into from the compressor inlet (321), realizes the heating cycle of air-conditioning system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510675456.2A CN105241134B (en) | 2015-10-16 | 2015-10-16 | The operation method of gas-liquid separator, air-conditioning system and air-conditioning system |
| PCT/CN2016/107726 WO2017063613A1 (en) | 2015-10-16 | 2016-11-29 | Gas liquid separator, air conditioning system, and air conditioning system operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510675456.2A CN105241134B (en) | 2015-10-16 | 2015-10-16 | The operation method of gas-liquid separator, air-conditioning system and air-conditioning system |
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| Publication Number | Publication Date |
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| CN105241134A CN105241134A (en) | 2016-01-13 |
| CN105241134B true CN105241134B (en) | 2018-07-17 |
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| CN201510675456.2A Active CN105241134B (en) | 2015-10-16 | 2015-10-16 | The operation method of gas-liquid separator, air-conditioning system and air-conditioning system |
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| WO (1) | WO2017063613A1 (en) |
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| CN105241134B (en) * | 2015-10-16 | 2018-07-17 | 珠海格力电器股份有限公司 | The operation method of gas-liquid separator, air-conditioning system and air-conditioning system |
| CN105352232A (en) * | 2015-11-30 | 2016-02-24 | 珠海格力电器股份有限公司 | Super-cooler and air conditioner provided with same |
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| CN108759202B (en) * | 2018-07-30 | 2023-10-27 | 东莞市艾瑞科热能设备有限公司 | Gas-liquid separator |
| CN110857824B (en) * | 2018-08-23 | 2020-11-17 | 杭州三花研究院有限公司 | Gas-liquid separator and air conditioning system |
| WO2020038437A1 (en) | 2018-08-23 | 2020-02-27 | 杭州三花研究院有限公司 | Gas-liquid separator and air conditioner system |
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| CN114087718B (en) * | 2020-08-04 | 2023-05-30 | 广东美的制冷设备有限公司 | Air conditioner, air conditioner control method, control device and readable storage medium |
| CN112628890A (en) * | 2020-12-21 | 2021-04-09 | 青岛海尔空调电子有限公司 | Heat pump system and air conditioner |
| CN112880228A (en) * | 2021-02-02 | 2021-06-01 | 三菱重工海尔(青岛)空调机有限公司 | Air conditioner liquid return prevention device and method for preventing air conditioner liquid return |
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| CN105241134B (en) * | 2015-10-16 | 2018-07-17 | 珠海格力电器股份有限公司 | The operation method of gas-liquid separator, air-conditioning system and air-conditioning system |
| CN205119584U (en) * | 2015-10-16 | 2016-03-30 | 珠海格力电器股份有限公司 | Vapour and liquid separator , air conditioning system |
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| WO2017063613A1 (en) | 2017-04-20 |
| CN105241134A (en) | 2016-01-13 |
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