CN105241134A - Gas-liquid separator, air conditioner system and running method of air conditioner system - Google Patents
Gas-liquid separator, air conditioner system and running method of air conditioner system Download PDFInfo
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- CN105241134A CN105241134A CN201510675456.2A CN201510675456A CN105241134A CN 105241134 A CN105241134 A CN 105241134A CN 201510675456 A CN201510675456 A CN 201510675456A CN 105241134 A CN105241134 A CN 105241134A
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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 invention discloses a gas-liquid separator. The gas-liquid separator comprises a closed space formed by an outer shell and a closed space formed by an inner container. The inner container is located in the outer shell. A super cooling channel is formed by the space between the outer shell and the inner container. An overheat channel is formed by the space in the inner container. The overheat channel is provided with an air inlet pipe used for leading refrigerant steam in and an air outlet pipe for discharging the refrigerant steam out of the gas-liquid separator. The super cooling channel is provided with a liquid inlet pipe used for leading refrigerant liquid in and a liquid outlet pipe for discharging the refrigerant liquid out of the gas-liquid separator. Heat exchange is carried out on the refrigerant liquid in the super cooling channel and the refrigerant steam in the overheat channel. The refrigerant liquid higher in temperature and the refrigerant steam lower in temperature flow in the two spaces respectively for heat exchange, the super cooling degree of the refrigerant liquid and the overheat degree of the refrigerant steam can be increased, and therefore the heating/cooling capacity of the refrigerant per unit mass can be improved; and the suction overheat degree and the oil temperature overheat degree of a compressor are increased, the liquid shock possibility is reduced, and then the reliability of the compressor is improved.
Description
Technical field
The present invention relates to air-conditioning technical field, be specifically related to a kind of gas-liquid separator, comprise the air-conditioning system of this gas-liquid separator, and the operation method of this air-conditioning system.
Background technology
Air-conditioner set is under refrigerating state, refrigerant changes the gas of HTHP into by compressor compresses, outdoor heat converter (condenser) is entered by cross valve, the liquid of warm high pressure in becoming after cold heat release inhaled by condenser, after expansion valve, becomes the liquid of low-temp low-pressure, after indoor heat converter (evaporimeter) heat absorption lets cool effect, become the gas of low-temp low-pressure, get back to compressor through cross valve, then continue circulation.Air-conditioner set is heating under state, change refrigerant by cross valve to flow to, refrigerant changes the gas of HTHP into by compressor compresses, enter indoor heat converter (condenser) by cross valve, the liquid of warm high pressure in becoming after cold heat release inhaled by condenser, becomes the liquid of low-temp low-pressure after expansion valve, after outdoor heat converter (evaporimeter) heat absorption lets cool effect, become the gas of low-temp low-pressure, get back to compressor through cross valve, then continue circulation.
Current air-conditioner set realized cold means and mainly contained following several: 1, increase super cooled sect within the condenser, and which can increase the volume of condenser and taking up room of complete machine, did not meet the requirement that client is little to air-conditioning volume, in addition, realizing cold by increasing super cooled sect (as plate type heat exchanger etc.), and also can strengthen material cost and processing cost, 2, adopt increase high pressure fluid reservoir after the condenser, to store more refrigerant, when unit lacks refrigerant, can compensate, but these means do not carry out the excessively cold of refrigerant, efficiency can not get promoting, 3, the excessively cold of refrigerant is carried out by increasing gas-liquid separator, as shown in Figure 1, a kind of air-conditioner set of prior art is provided with gas-liquid separator, wherein, gas-liquid separator is arranged between evaporimeter and compressor, the overheated refrigerant vapour of discharging from gas-liquid separator 100 is inhaled into compressor 200, after overcompression, the gas forming HTHP enters condenser 300 and carries out heat exchange, the refrigerant liquid of temperature in high pressure is formed after condensation, then, refrigerant liquid enters in the cold path of mistake of gas-liquid separator 100, formed drainage gas-liquid separator 100 after cold refrigerant liquid, then choke valve 400 throttling is flowed through, the cold-producing medium forming the gas-liquid two-phase of low-pressure low-temperature after throttling enters evaporimeter 500, and then evaporate in evaporimeter, form refrigerant vapour, refrigerant vapour enters in the heat passage excessively of gas-liquid separator 100, form drainage gas-liquid separator 100 after overheated refrigerant vapour, be inhaled into compressor 200 again subsequently, thus realize the circulation of whole refrigerating/heating.But this gas-liquid separator effectively can not take into account refrigeration, the heating mode of unit to the mode that refrigerant is excessively cold.
Summary of the invention
The object of the present invention is to provide a kind of gas-liquid separator, this gas-liquid separator is applied in air-conditioning system, can realize refrigerant excessively cold.
Another object of the present invention is to provide a kind of gas-liquid separator, this gas-liquid separator is applied in air-conditioning system, the storage of liquid towards refrigerant can be realized.
Another object of the present invention is to provide a kind of gas-liquid separator, applies in air-conditioning system by this gas-liquid separator, can improve the suction superheat of compressor, reduces the possibility of liquid hammer.
Another object of the present invention is to provide a kind of gas-liquid separator, applies in air-conditioning system by this gas-liquid separator, effectively can take into account the refrigerating/heating pattern of unit.
Another object of the present invention is to provide a kind of gas-liquid separator, and its structure is simple, workable.
An also object of the present invention is to provide a kind of air-conditioning system, can effectively avoid the compressor air suction degree of superheat of existing air-conditioning system low, and/or refrigerant degree of supercooling is low, and/or refrigerant supplements the problems such as not enough.
For reaching this object, the present invention by the following technical solutions:
On the one hand, a kind of gas-liquid separator is provided, comprise: the confined space that shell and inner bag are formed respectively, described inner bag is positioned at shell, space between described shell and described inner bag formed cold passage, space in described inner bag forms over-temperature channel, described over-temperature channel has the air inlet pipe for introducing refrigerant steam and refrigerant steam is discharged the escape pipe of described gas-liquid separator, the cold passage of described mistake has the feed tube for introducing refrigerant liquid and refrigerant liquid is discharged the drain pipe of described gas-liquid separator, refrigerant liquid in the cold passage of described mistake and the refrigerant steam in described over-temperature channel carry out heat exchange.
Preferably, described feed tube has the first entrance and the second entrance that pass through for the refrigerant liquid of refrigerating/heating pattern respectively.
On the other hand, a kind of air-conditioning system is provided, comprise: indoor set and off-premises station, described indoor set comprises First Heat Exchanger, described off-premises station comprises the second heat exchanger, compressor, described gas-liquid separator, cross valve, described First Heat Exchanger has first medium mouth and second medium mouth, described second heat exchanger has the 3rd media port and the 4th media port, described compressor has suction port of compressor and compressor outlet, described suction port of compressor connects the escape pipe of described gas-liquid separator, described compressor outlet connects described cross valve, the air inlet pipe of described gas-liquid separator connects described cross valve, described first medium mouth connects described cross valve, described 3rd media port connects described cross valve,
Also comprise the first branch road, the second branch road, the 3rd branch road and the 4th branch road, wherein, described first branch road connects described second medium mouth and described drain pipe, described second branch road connects described 4th media port and described first entrance, described 3rd branch road connects described 4th media port and described drain pipe, described 4th branch road connects described second medium mouth and described second entrance, magnetic valve is provided with, for controlling the break-make of each branch road in described first branch road, the second branch road, the 3rd branch road and the 4th branch road.
Again on the one hand, a kind of operation method of air-conditioning system is also provided, when air-conditioning system is in refrigeration mode, control described first branch road and the second branch road conducting, described 3rd branch road and the 4th branch road block, suck after the refrigerant of compressor is compressed and flow through cross valve, enter the second heat exchanger and carry out heat exchange, the refrigerant liquid of being discharged by the second heat exchanger is from the second branch road, first entrance of described feed tube enters the cold passage of mistake of described gas-liquid separator, heat exchange is carried out with the refrigerant steam in gas-liquid separator, realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange is discharged by drain pipe, enter First Heat Exchanger through the first branch road and carry out heat exchange, the refrigerant vapor stream of being discharged by First Heat Exchanger enters the over-temperature channel of described gas-liquid separator from described air inlet pipe through cross valve, heat exchange is carried out with the refrigerant liquid in gas-liquid separator, realize the overheated of refrigerant steam, refrigerant steam after heat exchange is discharged by escape pipe, again be inhaled into compressor, realize the kind of refrigeration cycle of air-conditioning system, or,
When air-conditioning system is in heating mode, control described first branch road and the blocking-up of the second branch road, described 3rd branch road and the 4th branch road conducting, suck after the refrigerant of compressor is compressed and flow through cross valve, enter First Heat Exchanger and carry out heat exchange, the refrigerant liquid of being discharged by First Heat Exchanger is from the 4th branch road, second entrance of described feed tube enters the cold passage of mistake of described gas-liquid separator, heat exchange is carried out with the refrigerant steam in gas-liquid separator, realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange is discharged by drain pipe, enter the second heat exchanger through the 3rd branch road and carry out heat exchange, the refrigerant vapor stream of being discharged by the second heat exchanger enters the over-temperature channel of described gas-liquid separator from described air inlet pipe through cross valve, heat exchange is carried out with the refrigerant liquid in gas-liquid separator, realize the overheated of refrigerant steam, refrigerant steam after heat exchange is discharged by escape pipe, again be inhaled into compressor, what realize air-conditioning system heats circulation.
Beneficial effect of the present invention is: gas-liquid separator of the present invention is by arranging shell and inner bag, the over-temperature channel passed through for refrigerant steam is formed in inner bag, space between shell and inner bag forms the cold passage of mistake passed through for refrigerant liquid, the refrigerant liquid making temperature higher and the lower refrigerant steam of temperature flow respectively and carry out heat exchange in two spaces, the degree of supercooling of refrigerant liquid and the degree of superheat of refrigerant steam can be improved, thus improve the heating capacity/refrigerating capacity of unit mass refrigerant, and improve the compressor air suction degree of superheat and oil overheating degree, reduce the possibility of liquid hammer, and then improve the reliability of compressor, the structure of gas-liquid separator is more simple, can reduce costs relative to the mode of traditional supercooling tube heat exchange, and provides convenient for dismounting.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of air-conditioner set disclosed in prior art;
Fig. 2 is the structural representation of the gas-liquid separator that the embodiment of the present invention provides;
Fig. 3 is the structural representation of the feed tube of the gas-liquid separator that the embodiment of the present invention provides;
Fig. 4 is the structural representation of the air-conditioning system that the embodiment of the present invention provides;
Fig. 5 is the fundamental diagram of the kind of refrigeration cycle of the air-conditioning system that the embodiment of the present invention provides;
Fig. 6 is the fundamental diagram heating circulation of the air-conditioning system that the embodiment of the present invention provides;
Fig. 7 is the refrigeration system flow chart of the air-conditioning system that the embodiment of the present invention provides;
Fig. 8 is the heating flow chart of the air-conditioning system that the embodiment of the present invention provides.
In figure:
100, gas-liquid separator; 200, compressor; 300, condenser; 400, choke valve; 500, evaporimeter;
1, gas-liquid separator; 11, shell; 12, inner bag; 13, air inlet pipe; 14, escape pipe; 141, liquid back pipe; 15, feed tube; 151, the first entrance; 152, the second entrance; 153, the 3rd entrance; 154, the first arm; 155, the second arm; 16, drain pipe; 17, internal bladder support;
2, indoor set; 21, First Heat Exchanger; 211, first medium mouth; 212, second medium mouth;
3, off-premises station; 31, the second heat exchanger; 311, the 3rd media port; 312, the 4th media port; 32, compressor; 321, suction port of compressor; 322, compressor outlet; 33, cross valve; 34, electric expansion valve; 35, the first branch road; 36, the second branch road; 37, the 3rd branch road; 38, the 4th branch road; 39, magnetic valve; 40, the first filter; 41, the second filter.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
In describing the invention, it will be appreciated that, term " " center ", " length ", " width ", " top ", " end ", " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.
In describing the invention, unless otherwise clearly defined and limited, term " is connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Fig. 2 is the structural representation of the gas-liquid separator that the embodiment of the present invention provides.Shown in figure 2, the invention provides a kind of gas-liquid separator 1, comprise: the confined space that shell 11 and inner bag 12 are formed respectively, inner bag 12 is positioned at shell 11, space between shell 11 and inner bag 12 formed cold passage, space in inner bag 12 forms over-temperature channel, described 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, the cold passage of described mistake has feed tube 15 for introducing refrigerant liquid and by the drain pipe 16 of refrigerant liquid drainage gas-liquid separator 1, refrigerant liquid in the cold passage of described mistake and the refrigerant steam in described over-temperature channel carry out heat exchange.
The present invention is by arranging shell 11 and inner bag 12, the over-temperature channel passed through for refrigerant steam is formed in inner bag 12, space between shell 11 and inner bag 12 forms the cold passage of mistake passed through for refrigerant liquid, the refrigerant liquid making temperature higher and the lower refrigerant steam of temperature carry out heat exchange, the degree of supercooling of refrigerant liquid and the degree of superheat of refrigerant steam can be improved, thus improve the heating capacity/refrigerating capacity of unit mass refrigerant, and improve the compressor air suction degree of superheat and oil overheating degree, reduce the possibility of liquid hammer, and then improve the reliability of compressor.Gas-liquid separator of the present invention adopts the spatial flow of refrigerant liquid directly between shell 11 and inner bag 12, and carries out heat exchange with the refrigerant steam flowed in inner bag 12, and heat exchange structure is two independently overall structures; And the gas-liquid separator of prior art adopts refrigerant liquid to flow in supercooling tube, and carry out heat exchange with tracheal strips refrigerant steam, supercooling tube may need to arrange multiple, in addition, supercooling tube also needs to be designed to meandering configuration, visible, and the structure of gas-liquid separator of the present invention more simplifies, can reduce costs, and provide convenient for dismounting.
In some embodiments of the present invention, feed tube 15 has respectively for the first entrance 151 and the second entrance 152 that the refrigerant liquid of refrigerating/heating pattern passes through.Air-conditioner set has refrigerating/heating pattern when running, when refrigerating/heating pattern, it is different that refrigerant flows to, the opportunity entering gas-liquid separator is also different, such as, when refrigeration mode, the liquid refrigerants of being discharged by condenser enters gas-liquid separator, and to realize refrigerant excessively cold, when heating mode, the liquid refrigerants of being discharged by evaporimeter enters gas-liquid separator, and to realize refrigerant excessively cold, therefore, the pipeline structure that during refrigerating/heating pattern, refrigerant is excessively cold is different, the feed tube of the cold passage of mistake of gas-liquid separator of the present invention is with two entrances (first entrance 151 and the second entrance 152), respective line can be coordinated well to adapt to the refrigerating/heating pattern of unit, only open by feed tube introducing refrigerant liquid relative to prior art, the present invention has workable advantage.
Feed tube 15 also comprises the 3rd entrance 153 refrigerant liquid of inflow first entrance 151 or the second entrance 152 being introduced into the cold passage of described mistake, 3rd entrance 153 is set in the shell 11 and top of close inner bag 12, the refrigerant liquid flowing through the 3rd entrance 153 can from top to bottom spray inner bag 12, and carries out heat exchange with the refrigerant steam in inner bag 12.It will be appreciated by persons skilled in the art that the 3rd entrance 153 of the present invention is positioned at the top position of inner bag 12, directly over comprising, the position such as oblique upper, spray heat exchange can be carried out to inner bag 12 be all applicable to the present invention as long as meet.Preferably, the 3rd entrance 153 is set to directly over the top center of inner bag 12.The present invention is by being arranged on the top position of inner bag 12 by the 3rd entrance 153, refrigerant liquid can be made directly to spray inner bag and to complete heat exchange, equal liquid pipe is set relative to prior art and refrigerant liquid is assigned to the structure of carrying out heat exchange in supercooling tube, obviously, structure of the present invention more simple possible, easy to implement.
As an example of the present invention, Fig. 3 shows a kind of structure of feed tube, as shown in Figure 3, feed tube 15 comprises interconnective first arm 154 and the second arm 155, first arm 154 has two mouths of pipe, and two mouths of pipe have two mouths of pipe respectively as the first entrance 151 and the second entrance 152, second arm 155, the mouth of pipe of one of them is communicated with the first arm 154, and another mouth of pipe is as the 3rd entrance 153.First entrance 151 and the 3rd entrance 153, and second entrance 152 be optionally communicated with the 3rd entrance 153 or block, object is to make the refrigerant liquid introduced by the first entrance 151 or the second entrance 152 all can flow in cold passage through the 3rd entrance 153, improves heat exchanger effectiveness.The mode realizing above-mentioned selective connection or blocking-up has multiple, and such as, the intersection in the first arm and the second arm arranges triple valve; And for example, two stop valves are set in the first arm.
Feed tube 15 of the present invention is set to the upper end near shell 11, and drain pipe 16 is set to the lower end near shell 11.The top cover that feed tube 15 runs through shell 11 extends to the top of inner bag 12, and drain pipe 16 runs through the sidewall of shell 11, and the refrigerant liquid of the cold passage of the mistake in shell 11 can be made to discharge smoothly.Feed tube 15 of the present invention, drain pipe 16 all can adopt the materials such as such as copper pipe to make, and itself and shell 11 all can adopt the mode such as to weld to be fixedly connected with.
In some embodiments of the present invention, air inlet pipe 13, the escape pipe 14 of described over-temperature channel all can extend to inner bag 12 inside by shell 11 outside, in inner bag 12, form gas-liquid separation space.Introduce refrigerant steam by air inlet pipe 13 to heat up after heat exchange and form dry gas and be drawn in compressor from escape pipe 14.
Preferably, air inlet pipe 13 is positioned at the mouth of pipe that the mouth of pipe of inner bag 12 and escape pipe 14 be positioned at inner bag 12 and staggers in the horizontal direction, and the distance that staggers is preferably more than 50mm.The mouth of pipe that escape pipe 14 is positioned at inner bag 12 is arranged on the top that air inlet pipe 13 is positioned at the mouth of pipe of inner bag 12, and both differences in height are preferably more than 50mm.Purpose of design like this is, the refrigerant steam that air inlet pipe 13 can be made to introduce is through fully heating, and liquid state is gaseous state, and then is introduced in escape pipe, avoids liquid hammer situation to produce.The mouth of pipe that escape pipe 14 is positioned at described inner bag 12 with respect to the horizontal plane becomes 20 ~ 40 °, is preferably the angular cut of 30 °.
Preferably, escape pipe 14 is U-shaped tubular construction, one or more hole for back flow or liquid back pipe 141 is provided with in the bottom of U-shaped tubular construction, make the liquid do not evaporated completely entering U-shaped tubular construction can enter the bottom of the inner bag 12 of gas-liquid separator via hole for back flow or liquid back pipe 141, to reach the object of the more refrigerant liquid of storage, when unit lacks refrigerant, can supplement in time.The aperture of hole for back flow or the internal diameter size of liquid back pipe 141 are 3 ~ 4mm, and the quantity of hole for back flow or liquid back pipe can be determined according to actual needs.
Air inlet pipe 13 and escape pipe 14 all can adopt the material such as such as copper pipe to make, and itself and shell 11 and/or inner bag 12 can adopt the mode such as to weld to be fixedly connected with.
Inner bag 12 is fixed in shell 11 by internal bladder support 17.Internal bladder support 17 can be fixedly welded in shell 11 in advance, then make inner bag 12 and internal bladder support 17 by welding, the mode such as clamping fixes.Certainly, it will be appreciated by persons skilled in the art that above assembling mode and fixed form are a kind of concrete implementation, the present invention is not limited thereto.
Fig. 4 is the structural representation of the air-conditioning system that the embodiment of the present invention provides.As shown in Figure 4, air-conditioning system provided by the invention, comprise: indoor set 2 and off-premises station 3, indoor set 2 comprises First Heat Exchanger 21, off-premises station 3 comprises the second heat exchanger 31, compressor 32, gas-liquid separator 1, cross valve 33 and electric expansion valve 34, First Heat Exchanger 21 has first medium mouth 211 and second medium mouth 212, second heat exchanger 31 has the 3rd media port 311 and the 4th media port 312, compressor 32 has suction port of compressor 321 and compressor outlet 322, suction port of compressor 321 connects the escape pipe 14 of gas-liquid separator 1, compressor outlet 322 connects cross valve 33, the air inlet pipe 13 of gas-liquid separator 1 connects cross valve 33, first medium mouth 211 connects cross valve 33, 3rd media port 311 connects cross valve 33,
Also comprise the first branch road 35, second branch road 36, the 3rd branch road 37 and the 4th branch road 38, wherein, first branch road 35 connects second medium mouth 212 and drain pipe 16, second branch road 36 connects the 4th media port 312 and the first entrance 151,3rd branch road 37 connects the 4th media port 312 and drain pipe 16,4th branch road 38 connects second medium mouth 212 and the second entrance 152, magnetic valve 39 is provided with, for controlling the break-make of each branch road in the first branch road 35, second branch road 36, the 3rd branch road 37 and the 4th branch road 38.
Air-conditioning system provided by the invention, by arranging the branch road that four can control break-make, matches with gas-liquid separator of the present invention, effectively can take into account the refrigerating/heating pattern of air-conditioning system.When air-conditioning system is in refrigeration mode, by controlling the first branch road 35 and the second branch road 36 conducting, 3rd branch road 37 and the 4th branch road 38 block, the refrigerant liquid flowed out by the 4th media port 312 of the second heat exchanger 31 enters in gas-liquid separator 1 through the first entrance 151, carry out heat exchange with the refrigerant steam in gas-liquid separator 1, realize the suction superheat of the mistake cold-peace compressor 32 of refrigerant; When air-conditioning system is in heating mode, by controlling the first branch road 35 and the second branch road 36 blocks, 3rd branch road 37 and the 4th branch road 38 conducting, the refrigerant liquid flowed out by the second medium mouth 212 of First Heat Exchanger 21 enters in gas-liquid separator 1 through the second entrance 152, carry out heat exchange with the refrigerant steam in gas-liquid separator 1, realize the suction superheat of the mistake cold-peace compressor 32 of refrigerant.
Particularly, cross valve 33 comprises A, B, C, D tetra-valve ports, and first medium mouth 211 connects described valve port B, and compressor outlet 322 connects valve port A, and the 3rd media port 311 connects valve port D, and air inlet pipe 13 connects valve port C.When being in refrigeration mode, described valve port A and described valve port D conducting, described valve port B and described valve port C conducting; When being in heating mode, described valve port A and described valve port B conducting, described valve port C and described valve port D conducting.
Preferably, between drain pipe 16 and the first branch road 35 or the 3rd branch road 37, the first filter 40, electric expansion valve 34 and the second filter 41 is disposed with.Refrigerant liquid is made before entering First Heat Exchanger 21 or the second heat exchanger 31, to carry out filtration and throttling process, the stability of further raising system and usefulness.
Certainly, it will be appreciated by persons skilled in the art that air-conditioning system of the present invention also comprises the parts such as blower fan, owing to being not improvements of the present invention, do not repeat herein.
Embodiments of the invention additionally provide a kind of operation method of air-conditioning system, and Fig. 5 is the fundamental diagram of the kind of refrigeration cycle of the air-conditioning system that the embodiment of the present invention provides.As shown in Figure 5, when air-conditioning system is in refrigeration mode, control described first branch road and the second branch road conducting, described 3rd branch road and the 4th branch road block, suck after the refrigerant of compressor is compressed and flow through cross valve, enter the second heat exchanger and carry out heat exchange, the refrigerant liquid of being discharged by the second heat exchanger is from the second branch road, first entrance of described feed tube enters the cold passage of mistake of described gas-liquid separator, heat exchange is carried out with the refrigerant steam in gas-liquid separator, realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange is discharged by drain pipe, enter First Heat Exchanger through the first branch road and carry out heat exchange, the refrigerant vapor stream of being discharged by First Heat Exchanger enters the over-temperature channel of described gas-liquid separator from described air inlet pipe through cross valve, heat exchange is carried out with the refrigerant liquid in gas-liquid separator, realize the overheated of refrigerant steam, refrigerant steam after heat exchange is discharged by escape pipe, again be inhaled into compressor, realize the kind of refrigeration cycle of air-conditioning system.
Fig. 6 is the fundamental diagram heating circulation of the air-conditioning system that the embodiment of the present invention provides.As shown in Figure 6, when air-conditioning system is in heating mode, control described first branch road and the blocking-up of the second branch road, described 3rd branch road and the 4th branch road conducting, suck after the refrigerant of compressor is compressed and flow through cross valve, enter First Heat Exchanger and carry out heat exchange, the refrigerant liquid of being discharged by First Heat Exchanger is from the 4th branch road, second entrance of described feed tube enters the cold passage of mistake of described gas-liquid separator, heat exchange is carried out with the refrigerant steam in gas-liquid separator, realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange is discharged by drain pipe, enter the second heat exchanger through the 3rd branch road and carry out heat exchange, the refrigerant vapor stream of being discharged by the second heat exchanger enters the over-temperature channel of described gas-liquid separator from described air inlet pipe through cross valve, heat exchange is carried out with the refrigerant liquid in gas-liquid separator, realize the overheated of refrigerant steam, refrigerant steam after heat exchange is discharged by escape pipe, again be inhaled into compressor, what realize air-conditioning system heats circulation.
Fig. 7 is the refrigeration system flow chart of the air-conditioning system that the embodiment of the present invention provides.Particularly, as shown in Figure 7, when air-conditioning system is in refrigeration mode, the valve port A of cross valve 33 and valve port D conducting, valve port B and valve port C conducting, magnetic valve on first branch road 35 and the second branch road 36 is opened, make two branch road conductings, closed electromagnetic valve on 3rd branch road 37 and the 4th branch road 38, two branch roads are blocked, suck after the refrigerant of compressor 32 is compressed and export from compressor outlet 322, flow through valve port A and the valve port D of cross valve 33, enter the second heat exchanger 31 by the 3rd media port 311 and carry out heat exchange, refrigerant liquid after heat exchange enters the second branch road 36 from the 4th media port 312, the cold passage of mistake of gas-liquid separator 1 is entered from the first entrance 151, heat exchange is carried out with the refrigerant steam in gas-liquid separator 1, realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange exports successively through the first filter 40 from drain pipe 16, electric expansion valve 39, the first branch road 35 is entered after second filter 41, enter First Heat Exchanger 21 from second medium mouth 212 and carry out heat exchange, refrigerant steam after heat exchange flows through valve port B and the valve port C of cross valve 33 from first medium mouth 211, the over-temperature channel of gas-liquid separator 1 is entered from air inlet pipe 13, heat exchange is carried out with the refrigerant liquid in gas-liquid separator 1, realize the overheated of refrigerant steam, refrigerant steam after heat exchange is exported by escape pipe 14, compressor 32 is again inhaled into from compressor inlet 321, realize the kind of refrigeration cycle of air-conditioning system.
Fig. 8 is the heating flow chart of the air-conditioning system that the embodiment of the present invention provides.Particularly, as shown in Figure 8, when air-conditioning system is in heating mode, the valve port A of cross valve 33 and valve port B conducting, valve port D and valve port C conducting, closed electromagnetic valve on first branch road 35 and the second branch road 36, two branch roads are blocked, magnetic valve on 3rd branch road 37 and the 4th branch road 38 is opened, make two branch road conductings, suck after the refrigerant of compressor 32 is compressed and export from compressor outlet 322, flow through valve port A and the valve port B of cross valve 33, enter First Heat Exchanger 21 by first medium mouth 211 and carry out heat exchange, refrigerant liquid after heat exchange enters the 4th branch road 38 from second medium mouth 212, the cold passage of mistake of gas-liquid separator 1 is entered from the second entrance 152, heat exchange is carried out with the refrigerant steam in gas-liquid separator 1, realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange exports successively through the first filter 40 from drain pipe 16, electric expansion valve 39, the 3rd branch road 37 is entered after second filter 41, enter the second heat exchanger 31 from the 4th media port 312 and carry out heat exchange, refrigerant steam after heat exchange flows through valve port D and the valve port C of cross valve 33 from the 3rd media port 311, the over-temperature channel of gas-liquid separator 1 is entered from air inlet pipe 13, heat exchange is carried out with the refrigerant liquid in gas-liquid separator 1, realize the overheated of refrigerant steam, refrigerant steam after heat exchange is exported by escape pipe 14, compressor 32 is again inhaled into from compressor inlet 321, what realize air-conditioning system heats circulation.
In the description of this description, specific features, structure, material or feature that the description of reference term " some embodiments ", " example " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a gas-liquid separator, is characterized in that, comprising: the confined space that shell (11) and inner bag (12) are formed respectively, and described inner bag (12) is positioned at shell (11);
Space between described shell (11) and described inner bag (12) formed cold passage, and the cold passage of described mistake has the feed tube (15) for introducing refrigerant liquid and refrigerant liquid discharged the drain pipe (16) of described gas-liquid separator;
Space in described inner bag (12) forms over-temperature channel, and described over-temperature channel has the air inlet pipe (13) for introducing refrigerant steam and refrigerant steam discharged the escape pipe (14) of described gas-liquid separator;
Refrigerant liquid in the cold passage of described mistake and the refrigerant steam in described over-temperature channel carry out heat exchange.
2. gas-liquid separator according to claim 1, is characterized in that, described feed tube (15) has the first entrance (151) and the second entrance (152) that pass through for the refrigerant liquid of refrigerating/heating pattern respectively.
3. gas-liquid separator according to claim 2, it is characterized in that, described feed tube (15) also comprises the 3rd entrance (153) the refrigerant liquid flowing into described first entrance (151) or described second entrance (152) being introduced into the cold passage of described mistake;
Described 3rd entrance (153) is set in described shell (11) and the top of close described inner bag (12), the refrigerant liquid flowing through described 3rd entrance (153) can spray described inner bag (12) from top to bottom, and carries out heat exchange with the refrigerant steam in described inner bag (12).
4. gas-liquid separator according to claim 1, is characterized in that, it is inner that described air inlet pipe (13), described escape pipe (14) extend to described inner bag (12) by described shell (11) outside;
Described air inlet pipe (13) is positioned at the mouth of pipe that the mouth of pipe of described inner bag (12) and described escape pipe (14) be positioned at described inner bag (12) and staggers in the horizontal direction.
5. gas-liquid separator according to claim 4, it is characterized in that, the mouth of pipe that described escape pipe (14) is positioned at described inner bag (12) is arranged on the top that described air inlet pipe (13) is positioned at the mouth of pipe of described inner bag (12).
6. gas-liquid separator according to claim 4, is characterized in that, described escape pipe (14) is U-shaped tubular construction, is provided with one or more hole for back flow or liquid back pipe (141) in the bottom of U-shaped tubular construction.
7. an air-conditioning system, comprising: indoor set (2) and off-premises station (3);
Described indoor set (2) comprises First Heat Exchanger (21), and described First Heat Exchanger (21) has first medium mouth (211) and second medium mouth (212);
Described off-premises station (3) comprises the second heat exchanger (31), compressor (32), cross valve (33); Described second heat exchanger (31) has the 3rd media port (311) and the 4th media port (312), and described compressor (32) has suction port of compressor (321) and compressor outlet (322);
It is characterized in that, described off-premises station (3) also comprises:
Gas-liquid separator (1) described in Claims 2 or 3, described suction port of compressor (321) connects the escape pipe (14) of described gas-liquid separator (1), described compressor outlet (322) connects described cross valve (33), the air inlet pipe (13) of described gas-liquid separator (1) connects described cross valve (33), described first medium mouth (211) connects described cross valve (33), and described 3rd media port (311) connects described cross valve (33);
First branch road 35, described first branch road (35) connects described second medium mouth (212) and described drain pipe (16);
Second branch road 36, described second branch road (36) connects described 4th media port (312) and described first entrance (151);
3rd branch road 37, described 3rd branch road (37) connects described 4th media port (312) and described drain pipe (16);
4th branch road 38, described 4th branch road (38) connects described second medium mouth (212) and described second entrance (152);
Wherein, magnetic valve (39) is provided with, for controlling the break-make of each branch road in described first branch road (35), the second branch road (36), the 3rd branch road (37) and the 4th branch road (38).
8. air-conditioning system according to claim 7, it is characterized in that, described cross valve (33) has A, B, C, D tetra-valve ports, described first medium mouth (211) connects described valve port B, described compressor outlet (322) connects valve port A, described 3rd media port (311) connects valve port D, and described air inlet pipe (13) connects valve port C.
9. one kind uses the operation method of the air-conditioning system described in claim 7, it is characterized in that, when air-conditioning system is in refrigeration mode, control described first branch road and the second branch road conducting, described 3rd branch road and the 4th branch road block, suck after the refrigerant of compressor is compressed and flow through cross valve, enter the second heat exchanger and carry out heat exchange, the refrigerant liquid of being discharged by the second heat exchanger is from the second branch road, first entrance of described feed tube enters the cold passage of mistake of described gas-liquid separator, heat exchange is carried out with the refrigerant steam in gas-liquid separator, realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange is discharged by drain pipe, enter First Heat Exchanger through the first branch road and carry out heat exchange, the refrigerant vapor stream of being discharged by First Heat Exchanger enters the over-temperature channel of described gas-liquid separator from described air inlet pipe through cross valve, heat exchange is carried out with the refrigerant liquid in gas-liquid separator, realize the overheated of refrigerant steam, refrigerant steam after heat exchange is discharged by escape pipe, again be inhaled into compressor, realize the kind of refrigeration cycle of air-conditioning system, or,
When air-conditioning system is in heating mode, control described first branch road and the blocking-up of the second branch road, described 3rd branch road and the 4th branch road conducting, suck after the refrigerant of compressor is compressed and flow through cross valve, enter First Heat Exchanger and carry out heat exchange, the refrigerant liquid of being discharged by First Heat Exchanger is from the 4th branch road, second entrance of described feed tube enters the cold passage of mistake of described gas-liquid separator, heat exchange is carried out with the refrigerant steam in gas-liquid separator, realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange is discharged by drain pipe, enter the second heat exchanger through the 3rd branch road and carry out heat exchange, the refrigerant vapor stream of being discharged by the second heat exchanger enters the over-temperature channel of described gas-liquid separator from described air inlet pipe through cross valve, heat exchange is carried out with the refrigerant liquid in gas-liquid separator, realize the overheated of refrigerant steam, refrigerant steam after heat exchange is discharged by escape pipe, again be inhaled into compressor, what realize air-conditioning system heats circulation.
10. one kind uses the operation method of the air-conditioning system described in claim 8, it is characterized in that, when air-conditioning system is in refrigeration mode, the valve port A of described cross valve (33) and valve port D conducting, valve port B and valve port C conducting, magnetic valve on described first branch road (35) and described second branch road (36) is opened, make two branch road conductings, closed electromagnetic valve on described 3rd branch road (37) and described 4th branch road (38), two branch roads are blocked, export from compressor outlet (322) after the refrigerant sucking described compressor (32) is compressed, flow through valve port A and the valve port D of described cross valve (33), enter described second heat exchanger (31) by described 3rd media port (311) and carry out heat exchange, refrigerant liquid after heat exchange enters described second branch road (36) from described 4th media port (312), the cold passage of mistake of described gas-liquid separator (1) is entered from described first entrance (151), heat exchange is carried out with the refrigerant steam in described gas-liquid separator (1), realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange exports from described drain pipe (16) and enters described first branch road (35), enter described First Heat Exchanger (21) from described second medium mouth (212) and carry out heat exchange, refrigerant steam after heat exchange flows through valve port B and the valve port C of described cross valve (33) from described first medium mouth (211), the over-temperature channel of described gas-liquid separator (1) is entered from described air inlet pipe (13), heat exchange is carried out with the refrigerant liquid in described gas-liquid separator (1), realize the overheated of refrigerant steam, refrigerant steam after heat exchange is exported by described escape pipe (14), compressor (32) is again inhaled into from described compressor inlet (321), realize the kind of refrigeration cycle of air-conditioning system, or,
When air-conditioning system is in heating mode, the valve port A of described cross valve (33) and valve port B conducting, valve port D and valve port C conducting, closed electromagnetic valve on described first branch road (35) and described second branch road (36), two branch roads are blocked, magnetic valve on described 3rd branch road (37) and described 4th branch road (38) is opened, make two branch road conductings, export from described compressor outlet (322) after the refrigerant sucking described compressor (32) is compressed, flow through valve port A and the valve port B of described cross valve (33), enter described First Heat Exchanger (21) by described first medium mouth (211) and carry out heat exchange, refrigerant liquid after heat exchange enters described 4th branch road (38) from described second medium mouth (212), the cold passage of mistake of described gas-liquid separator (1) is entered from described second entrance (152), heat exchange is carried out with the refrigerant steam in described gas-liquid separator (1), realize the excessively cold of refrigerant liquid, refrigerant liquid after heat exchange exports from described drain pipe (16) and enters described 3rd branch road (37), enter described second heat exchanger (31) from described 4th media port (312) and carry out heat exchange, refrigerant steam after heat exchange flows through valve port D and the valve port C of described cross valve (33) from described 3rd media port (311), the over-temperature channel of described gas-liquid separator (1) is entered from described air inlet pipe (13), heat exchange is carried out with the refrigerant liquid in described gas-liquid separator (1), realize the overheated of refrigerant steam, refrigerant steam after heat exchange is exported by described escape pipe (14), compressor (32) is again inhaled into from described compressor inlet (321), what realize air-conditioning system heats circulation.
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| 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 |
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| 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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| CN105241134B (en) | 2018-07-17 |
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