CN205536651U - Refrigerating system and have its refrigerating plant - Google Patents
Refrigerating system and have its refrigerating plant Download PDFInfo
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- CN205536651U CN205536651U CN201620164893.8U CN201620164893U CN205536651U CN 205536651 U CN205536651 U CN 205536651U CN 201620164893 U CN201620164893 U CN 201620164893U CN 205536651 U CN205536651 U CN 205536651U
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Abstract
The utility model discloses a refrigerating system and have its refrigerating plant. Refrigerating system has system cold die formula and the mode of heating, refrigerating system includes: compressor and vapour and liquid separator, vapour and liquid separator's export links to each other with the induction port of compressor, four -way reversing valve, vapour and liquid separator's entry is continuous with four -way reversing valve's first valve port and the gas vent compressor is continuous with four -way reversing valve's second valve port, consecutive outdoor heat exchanger, throttling arrangement and indoor heat exchanger, four -way reversing valve's third valve port links to each other with indoor heat exchanger with the continuous just four -way reversing valve's of outdoor heat exchanger fourth valve port, heating coil, heating coil winding vapour and liquid separator's outside in order to heat vapour and liquid separator when heating the mode, wherein the heating coil both ends are all connected between indoor heat exchanger and throttling arrangement. According to the utility model discloses a refrigerating system reliability is high, the performance is good.
Description
Technical field
This utility model relates to refrigeration technology field, especially relates to a kind of refrigeration system and has the refrigeration of this refrigeration system
Device.
Background technology
Refrigeration system in correlation technique is typically equipped with gas-liquid separator, in order to will go out the gas-liquid ejected from heat exchanger
The coolant of admixture carries out gas-liquid separation, prevents the coolant of liquid from entering and carries out Wet Compression in compressor and damage compression
Machine.The liquid refrigerants separated in gas-liquid separator is immersed in the bottom of gas-liquid separator, absorbs from surrounding
Enter back into system after heat of vaporization gasification and participate in circulation.But in ambient temperature relatively low winter, coolant is at outdoor heat exchanger
In evaporation not exclusively cause liquid refrigerants amount to increase, too much liquid refrigerants is immersed in gas-liquid separator, have impact on
Cold medium flux in system circulation and the system return air degree of superheat, and it is likely to occur back gas carrying liquid simultaneously, thus affect pressure
The normal work of contracting machine, reduces the heating performance of refrigeration system.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality
Novel proposition one refrigeration system, described refrigeration system reliability is high, performance is good.
This utility model also proposes a kind of refrigerating plant with above-mentioned refrigeration system.
According to the refrigeration system of this utility model first aspect embodiment, described refrigeration system has refrigeration mode and heats mould
Formula, described refrigeration system includes: compressor and gas-liquid separator, the outlet of described gas-liquid separator and described compressor
Air entry is connected；Four-way change-over valve, the entrance of described gas-liquid separator be connected with the first valve port of described four-way change-over valve and
The air vent of described compressor is connected with the second valve port of described four-way change-over valve；The outdoor heat exchanger that is sequentially connected, throttling
Device and indoor heat exchanger, the 3rd valve port of described four-way change-over valve is connected with described outdoor heat exchanger and the commutation of described four-way
4th valve port of valve is connected with described indoor heat exchanger；Heating coil, described heating coil is wrapped in described gas-liquid separator
Outside described gas-liquid separator is heated when heating mode, wherein said heating coil two ends are both connected to institute
State between indoor heat exchanger and described throttling arrangement.
According to the refrigeration system of this utility model embodiment, by the outside heating coil that is wound around at gas-liquid separator, and will
Heating coil two ends are both connected between indoor heat exchanger and throttling arrangement, so under refrigeration system is in heating mode,
Can make to be flowed through the heating coil of gas-liquid separator outer wall by the liquid refrigerants that the temperature discharged in indoor heat exchanger is higher, right
Coolant in gas-liquid separator heats, and promotes the liquid refrigerants evaporation gasification in gas-liquid separator, improves gas-liquid separation
The evaporating pressure of coolant and evaporating temperature in device, thus it is effectively improved the return-air degree of superheat and the cold medium flux of system, reduce liquid
The accumulation of state coolant, improves refrigeration system heating performance in a heating mode, and can reduce liquid refrigerants folder simultaneously
The miscellaneous risk being directly entered compressor in gaseous coolant, improves reliability and the safety of refrigeration system work.
It addition, according to the refrigeration system of this utility model embodiment, it is also possible to have a following additional technical feature:
According to embodiments more of the present utility model, the first end of described heating coil arrange adjacent to described indoor heat exchanger and
Second end of described heating coil is arranged adjacent to described throttling arrangement.
Further, between the second end and the described gas-liquid separator of described heating coil, it is provided with the first on-off valve, in refrigeration
Described in during pattern, when the first on-off valve closedown and heating mode, the first on-off valve is opened.
According to embodiments more of the present utility model, it is provided with between the first end and the described gas-liquid separator of described heating coil
Second on-off valve, described in when refrigeration mode, when the second on-off valve closedown and heating mode, the second on-off valve is opened.
According to embodiments more of the present utility model, the first end of described heating coil and the second end of described heating coil it
Between be provided with the 3rd on-off valve, the 3rd on-off valve described in when refrigeration mode is opened and the 3rd on-off valve is closed during heating mode.
According to embodiments more of the present utility model, the part between its first end and second end of described heating coil
It is wrapped in from top to bottom on the outer wall of described gas-liquid separator.
According to embodiments more of the present utility model, the part between its first end and second end of described heating coil
It is wrapped in from bottom to top on the outer wall of described gas-liquid separator.
According to the refrigerating plant of this utility model second aspect embodiment, including real according to the above-mentioned first aspect of this utility model
Execute the refrigeration system of example.
According to the refrigerating plant of this utility model embodiment, by arranging according to this utility model above-mentioned first aspect embodiment
Refrigeration system, reliability is high, performance is good.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will from the following description
Become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining the accompanying drawings below description to embodiment and will become
Obtain substantially with easy to understand, wherein:
Fig. 1 is the structural representation of the refrigeration system 100 according to this utility model embodiment；
Reference:
Refrigeration system 100；
Compressor 1；Air entry 11；Air vent 12；
Gas-liquid separator 2；Entrance 21；Outlet 22；
Four-way change-over valve 3；First valve port 31；Second valve port 32；3rd valve port 33；4th valve port 34；
Outdoor heat exchanger 4；First port 41 of outdoor heat exchanger；Second port 42 of outdoor heat exchanger；
Throttling arrangement 5；First port 51 of throttling arrangement；Second port 52 of throttling arrangement；
Indoor heat exchanger 6；First port 61 of indoor heat exchanger；Second port 62 of indoor heat exchanger；
Heating coil 7；First end 71；Second end 72；
First on-off valve 8；
Second on-off valve 9；
3rd on-off valve 10.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most extremely
Same or similar label represents same or similar element or has the element of same or like function eventually.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to this utility model
Restriction.
In description of the present utility model, it is to be understood that term " on ", D score, "front", "rear", " interior ", " outward "
It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, is for only for ease of this practicality of description
Novel and simplification describes rather than indicates or imply that the device of indication or element must have specific orientation, with specifically
Azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " install ",
" be connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or one
Ground connects；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals.Common skill for this area
For art personnel, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
D score can include that the first and second features directly contact, it is also possible to include the first and second features be not directly contact and
It is by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and
" above " includes that fisrt feature directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than
Second feature.Fisrt feature second feature " under ", " lower section " and " below " include that fisrt feature is special second
Levy underface and obliquely downward, or be merely representative of fisrt feature level height less than second feature.
Below with reference to Fig. 1, the refrigeration system 100 according to this utility model first aspect embodiment is described.
Refrigeration system 100 according to this utility model embodiment, has refrigeration mode and heating mode, refrigeration system 100
Including: compressor 1, gas-liquid separator 2, four-way change-over valve 3, outdoor heat exchanger 4, throttling arrangement 5, indoor heat exchange
Device 6 and heating coil 7.
In this utility model embodiment, as it is shown in figure 1, the outlet 22 of gas-liquid separator 2 and the air entry of compressor 1
11 are connected.Coolant in system is converted into the coolant of gas-liquid mixture phase after carrying out heat exchange in heat exchanger, then gas-liquid is mixed
The coolant of conjunction state carries out gas-liquid separation in gas-liquid separator 2, and the coolant of gaseous state is by the outlet 22 of gas-liquid separator 2
Flow out, then pass through the air entry 11 of compressor 1 and enter in compressor 1 and be compressed.By in refrigeration system 100
Middle being connected with the outlet 22 of gas-liquid separator 2 by the air entry 11 of compressor 1 can ensure that enter in compressor 1 cold
Matchmaker is gaseous coolant, produces compressor 1 to avoid the incomplete liquid refrigerants of heat exchange in heat exchanger to enter in compressor 1
Raw harm, thus improve refrigeration system 100 maintainability and safety.
As it is shown in figure 1, four-way change-over valve 3 includes the first valve port the 31, second valve port the 32, the 3rd valve port 33 and the 4th valve
Mouth 34, wherein four valve ports of four-way change-over valve 3 can be connected two-by-two, such as when the first valve port 31 and the 3rd valve port
During 33 connection, the second valve port 32 connects with the 4th valve port 34, second valve when the first valve port 31 connects with the 4th valve port 34
Mouth 32 connects with the 3rd valve port 33.
As it is shown in figure 1, the entrance 21 of gas-liquid separator 2 is connected and compressor with the first valve port 31 of four-way change-over valve 3
The air vent 12 of 1 is connected with the second valve port 32 of four-way change-over valve 3.Outdoor heat exchanger 4, throttling arrangement 5 and indoor
Heat exchanger 6 is sequentially connected, say, that outdoor heat exchanger 4, throttling arrangement 5 and indoor heat exchanger 6 are respectively provided with two
Individual port, is connected by pipeline between the first port 41 and first port 51 of throttling arrangement of outdoor heat exchanger, joint
It is connected by pipeline between second port 52 and first port 61 of indoor heat exchanger of stream device, four-way change-over valve 3
The 3rd valve port 33 and the second port 42 of outdoor heat exchanger between be connected by pipeline and the 4th of four-way change-over valve 3 the
It is connected by pipeline between valve port 34 and the second port 62 of indoor heat exchanger.Four-way change-over valve 3 is in refrigeration system 100
In play conversion refrigeration mode and the effect of heating mode.
Specifically, as it is shown in figure 1, when refrigeration system 100 is in refrigeration mode state, four-way change-over valve 3 is obstructed
Electricity, the piston in four-way change-over valve 3 is moved to the left, and makes the second valve port 32 and the 3rd valve port 33 phase of four-way change-over valve 3
Connect and make the first valve port 31 be connected with the 4th valve port 34, so that the air vent 12 of compressor 1 changes with outdoor
Hot device 4 is connected.Thus, compressor 1 air vent 12 gaseous coolant of the High Temperature High Pressure discharged is commutated by four-way
Second valve port 32 of valve 3 and discharging via the 3rd valve port 33, subsequently enters in outdoor heat exchanger 4 and cold to outdoor heat release
Coagulating and be converted into high-pressure liquid coolant, high-pressure liquid coolant is subsequently entered throttling arrangement 5 by outflow in outdoor heat exchanger 4 and enters
Row reducing pressure by regulating flow is transformed into low-pressure liquid coolant, and low-pressure liquid coolant is flowed out by throttling arrangement 5 and subsequently enters indoor heat exchanger
In 6 and absorb the heat in room air and constantly gasify and be converted into the coolant of low-pressure gas-liquid admixture, low-pressure gas-liquid mixes
The coolant of conjunction state is flowed out by indoor heat exchanger 6, then passes through the 4th valve port 34 of four-way change-over valve 3 and via the
One valve port 31 is discharged, and then passes through the entrance 21 of gas-liquid separator 2 and enters and carry out gas-liquid separation in gas-liquid separator 2,
After gas-liquid separation, gaseous coolant is flowed out by the outlet 22 of gas-liquid separator 2, simultaneously the liquid refrigerants in gas-liquid separator 2
Constantly evaporate gasification by absorbing the heat in surrounding air and be converted into gaseous coolant the outlet by gas-liquid separator 2
22 flow out, the outlet 22 of gas-liquid separator 2 gaseous coolant flowed out then passes through the air entry 11 of compressor 1 again
Entering in compressor 1 and be compressed, so move in circles, refrigeration system 100 in cooling mode can be continuously
Carry out operation, thus reduce indoor temperature and reach the effect of refrigeration.
When refrigeration system 100 is in heating mode state, four-way change-over valve 3 is energized, the piston in four-way change-over valve 3
Move right, make the second valve port 32 of four-way change-over valve 3 be connected with the 4th valve port 34 and the first valve port 31 and the 3rd
Valve port 33 is connected, so that the air vent 12 of compressor 1 is connected with indoor heat exchanger 6.Thus, by compressing
The gaseous coolant of the High Temperature High Pressure that machine 1 air vent 12 is discharged the second valve port 32 by four-way change-over valve 3, via the 4th
Valve port 34 is discharged, and subsequently enters in indoor heat exchanger 6 and to indoor heat release in indoor heat exchanger 6, and gradually condensation turns
Change into as high-pressure liquid coolant.
Owing to the heating mode of refrigeration system 100 is mainly used in the winter that ambient temperature is relatively low, the gaseous coolant of High Temperature High Pressure
After carrying out condensing heat release in indoor heat exchanger 6, the temperature of the liquid refrigerants in indoor heat exchanger 6 exit is the highest,
The heat that this part coolant is comprised still possesses considerable usability for ambient temperature.Wherein in ambient temperature
In higher summer, in gas-liquid separator 2, liquid refrigerants the most automatically absorbs heat from external environment and evaporates gasification,
And in ambient temperature relatively low winter, the heat that in gas-liquid separator 2, liquid refrigerants absorbs from external environment can not
Ensure that it sufficiently evaporates gasification, thus cause gas-liquid separator 2 also can be piled up more liquid refrigerants, it will impact
The heating performance of refrigeration system 100 and the refrigeration system 100 safety and reliability under heating mode works.
To sum up, the structural representation of refrigeration system 100 shown in Figure 1, according to the refrigeration of this utility model embodiment
System 100 by being wrapped in the outside of gas-liquid separator 2 by heating coil 7, and heating coil 7 two ends are both connected to indoor
Gas-liquid separator 2 is heated when heating mode between heat exchanger 6 and throttling arrangement 5.Specifically, in system
During heat pattern, by the higher high-pressure liquid coolant of at least some of temperature flowed out in indoor heat exchanger 6 through heating coil
Mix in one end of 7 flows into the heating coil 7 being wrapped on gas-liquid separator 2 outer wall and to the gas-liquid in gas-liquid separator 2
The coolant of conjunction state carries out heat release, to promote that the liquid refrigerants evaporation in gas-liquid separator 2 is gasified, now flows into and adds hot plate
The relatively low high-pressure liquid coolant of temperature it is converted into and from another of heating coil 7 after the coolant heat release that in pipe 7, temperature is higher
End flows out, the coolant that then gas-liquid separator 2 is heated by this part and other portions flowed out from indoor heat exchanger 6
Point high-pressure liquid coolant that temperature is higher enters in the lump and carries out reducing pressure by regulating flow in throttling arrangement 5 and be transformed into low-temp low-pressure
Liquid refrigerants, the heat of vaporization gas in absorption chamber outer air during then the liquid refrigerants of low-temp low-pressure enters outdoor heat exchanger 4
Changing the coolant being converted into gas-liquid mixture phase, the coolant of gas-liquid mixture phase is then passed through by outflow in outdoor heat exchanger 4
3rd valve port 33 of four-way change-over valve 3, discharges via the first valve port 31 and then passes through the entrance 21 of gas-liquid separator 2
Entering in gas-liquid separator 2 and carry out gas-liquid separation, the liquid refrigerants in gas-liquid separator 2 is absorbing the middle temperature of heating coil 7
Constantly evaporating gasification while spending higher liquid refrigerants liberated heat, the gaseous coolant in gas-liquid separator 2 leads to simultaneously
Cross the outlet 22 of gas-liquid separator 2 to flow out and reentered in compressor 1 by the air entry 11 of compressor 1 and be compressed,
So move in circles, refrigeration system 100 the most just can continuously operation, thus promote indoor
Temperature is to reach the effect heated.
Refrigeration system 100 according to this utility model embodiment, adds hot plate by being wound around on the outer wall of gas-liquid separator 2
Pipe 7, and heating coil 7 two ends are connected between indoor heat exchanger 6 and throttling arrangement 5, thus can make refrigeration
System 100 in a heating mode, will be flowed through gas-liquid separation by the liquid refrigerants that the temperature discharged in indoor heat exchanger 6 is higher
The heating coil 7 of device 2 outer wall, heats the coolant in gas-liquid separator 2, promotes the liquid in gas-liquid separator 2
State refrigerant evaporation gasifies, and improves evaporating pressure and the evaporating temperature of coolant in liquid/gas separator, thus is effectively improved returning of system
The gas degree of superheat and cold medium flux, reduce the accumulation of liquid refrigerants, improves refrigeration system 100 heating property in a heating mode
Can, and can reduce liquid refrigerants is mixed in gaseous coolant the risk being directly entered compressor 1 simultaneously, improves system
The reliability of cooling system 100 work and safety.
In embodiments more of the present utility model, the first end 71 of heating coil 7 arranges adjacent to indoor heat exchanger 6 and adds
Second end 72 of hot coil 7 is arranged adjacent to throttling arrangement 5.It is to say, the neighbouring indoor heat exchanger 6 of heating coil 7
The first end 71 that port is heating coil 7, the port of the neighbouring throttling arrangement 5 of heating coil 7 is heating coil 7
The second end 72.
In some embodiment of this utility model, further, the second end 72 of heating coil 7 and gas-liquid separator 2
Between be provided with the first on-off valve 8, when refrigeration mode, the first on-off valve 8 is closed and the first on-off valve 8 dozens during heating mode
Open.
Specifically, as it is shown in figure 1, when refrigeration mode, the first on-off valve 8 is closed, say, that heating coil 7
Pipeline between first end the 71 to the second end 72 is blocked, can not between heating coil 7 first end the 71 to the second end 72
Constitute the loop of connection.Specifically, the low temperature liquid coolant flowed out in throttling arrangement 5 throttling arrangement 5 and room are flowed through
During pipeline between interior heat exchanger 6, the coolant of low temperature liquid shunts the flow direction at heating coil 7 second end 72 and adds hot plate
Coolant in pipe 7 was just hindered by the first on-off valve 8 before entrance is wrapped in the heating coil 7 on gas-liquid separator 2 outer wall
Break and cannot be introduced in the heating coil 7 on gas-liquid separator 2 outer wall；The coolant of low temperature liquid is at heating coil 7 first
Hold the coolant flowing in heating coil 7 at 71 quilt after the heating coil 7 flow through on gas-liquid separator 2 outer wall
First on-off valve 8 blocks, the coolant of the low temperature liquid flowed out in throttling arrangement 5 can enter gas-liquid separator 2 outer wall
On heating coil 7 but the loop of circulation can not be constituted, thus can reduction system be flowed out by throttling arrangement 5
Low temperature liquid coolant is on the impact of coolant in gas-liquid separator 2.
When heating mode, the first on-off valve 8 is opened, the pipeline between heating coil 7 first end the 71 to the second end 72
Can circulate.A part of via indoor heat exchanger 6 by the high-pressure liquid coolant that the temperature flowed out in indoor heat exchanger 6 is higher
And the pipeline between throttling arrangement 5 is directly entered in throttling arrangement 5 and carries out reducing pressure by regulating flow, a part is via heating coil 7
The first end 71 enter and be wrapped in the heating coil 7 on gas-liquid separator 2 outer wall and cold in gas-liquid separator 2
Matchmaker carries out heat release, promotes the liquid refrigerants evaporation gasification in gas-liquid separator 2, and the coolant in heating coil 7 is cold in heat release
The most followed by pass sequentially through the first on-off valve 8, the second end 72 of heating coil 7 flows out heating coil 7, subsequently enters joint
Stream device 5 carries out reducing pressure by regulating flow.
In other embodiments of the present utility model, as it is shown in figure 1, the first end 71 and gas-liquid separation of heating coil 7
Being provided with the second on-off valve 9 between device 2, when refrigeration mode, the second on-off valve 9 is closed and the second on-off valve during heating mode
9 open.
Specifically, as it is shown in figure 1, when refrigeration mode, the second on-off valve 9 is closed, say, that heating coil 7
Pipeline between first end the 71 to the second end 72 is blocked, can not between heating coil 7 first end the 71 to the second end 72
Constitute the loop of connection.Throttling arrangement 5 and indoor heat exchanger 6 is flowed through by the low temperature liquid coolant flowed out in throttling arrangement 5
Between pipeline time, it is cold that the coolant of low temperature liquid flows in heating coil 7 at heating coil 7 first end 71
Matchmaker was just blocked by the second on-off valve 9 before the heating coil 7 entered on gas-liquid separator 2 outer wall, and cannot be introduced into gas
In heating coil 7 on liquid/gas separator 2 outer wall；The coolant of low temperature liquid shunts stream at heating coil 7 second end 72
Coolant in heating coil 7 after flowing through the heating coil 7 being wrapped on gas-liquid separator 2 outer wall by the second break-make
Valve 9 blocks, in the coolant of low temperature liquid can enter heating coil on gas-liquid separator 2 outer wall 7 but can not constitute and follow
The loop that circulation is logical, the coolant of the low temperature liquid that thus can be flowed out by throttling arrangement 5 in reduction system is to gas-liquid separator
The impact of coolant in 2.
When heating mode, the second on-off valve 9 is opened, the pipeline between heating coil 7 first end the 71 to the second end 72
Can circulate.A part of via indoor heat exchanger 6 by the high-pressure liquid coolant that the temperature flowed out in indoor heat exchanger 6 is higher
And the pipeline between throttling arrangement 5 is directly entered in throttling arrangement 5 and carries out reducing pressure by regulating flow, and a part of coolant is successively via adding
First end 71 of hot coil 7 and the second on-off valve 9 enter and are wrapped in the heating coil 7 on gas-liquid separator 2 outer wall
And the coolant in gas-liquid separator 2 is carried out heat release, promote the liquid refrigerants evaporation gasification in gas-liquid separator 2, heating
Coolant in coil pipe 7 followed by flows out heating coil 7 by the second end 72 of heating coil 7 in heat release cooling, then enters
Enter and throttling arrangement 5 carries out reducing pressure by regulating flow.
In some preferred embodiments of this utility model, set between the second end 72 and the gas-liquid separator 2 of heating coil 7
There is the first on-off valve 8, be provided with the second on-off valve 9 between the first end 71 and the gas-liquid separator 2 of heating coil 7 simultaneously,
The first on-off valve 8 and the second on-off valve 9 is turned off and the first on-off valve 8 and second when heating mode when refrigeration mode
On-off valve 9 is all opened.
Specifically, as it is shown in figure 1, when refrigeration mode, the first on-off valve 8 is turned off with the second on-off valve 9, adds
Pipeline between hot coil 7 first end the 71 to the second end 72 is blocked, heating coil 7 first end the 71 to the second end 72
Between can not constitute the loop of connection.Throttling arrangement 5 is flowed through with indoor by the low temperature liquid coolant flowed out in throttling arrangement 5
During pipeline between heat exchanger 6, the coolant of low temperature liquid flows to heating coil 7 at heating coil 7 first end 71
In coolant just blocked by the second on-off valve 9 before entering the heating coil 7 of gas-liquid separator 2 outer wall, and cannot enter
Enter in the heating coil 7 on gas-liquid separator 2 outer wall；Meanwhile, the coolant of low temperature liquid is at heating coil 7 second end 72
Place flows to the quilt before entrance is wrapped in the heating coil 7 on gas-liquid separator 2 outer wall of the coolant in heating coil 7
Second on-off valve 9 blocks, and also cannot be introduced in the heating coil 7 on gas-liquid separator 2 outer wall.Therefore, when refrigeration system
System 100, when refrigeration mode works, be cannot be introduced into gas by the coolant of the low temperature liquid flowed out in throttling arrangement 5 in system
In heating coil 7 on liquid/gas separator 2 outer wall, thus avoid the coolant of the low temperature liquid flowed out by throttling arrangement 5 to gas
The impact of coolant in liquid/gas separator 2 so that the refrigeration of refrigeration system 100 is more preferable.
When heating mode, the first on-off valve 8 is all opened with the second on-off valve 9, heating coil 7 first end 71 to the second
Pipeline between end 72 can circulate.A high-pressure liquid coolant part higher by the temperature flowed out in indoor heat exchanger 6
It is directly entered in throttling arrangement 5 via the adapter between indoor heat exchanger 6 and throttling arrangement 5 and carries out reducing pressure by regulating flow, one
The coolant the first end 71 and the second on-off valve 9 successively via heating coil 7 is divided to enter and be wrapped in gas-liquid separator 2 outer wall
On heating coil 7 in and the coolant in gas-liquid separator 2 carried out heat release, promote that the liquid in gas-liquid separator 2 is cold
Matchmaker evaporates gasification, and the coolant in heating coil 7 followed by passes sequentially through the first on-off valve 8, heating coil in heat release cooling
Second end 72 of 7 flows out heating coil 7 and enters and carry out reducing pressure by regulating flow in throttling arrangement 5.
In this utility model still other embodiments, the first end 71 of heating coil 7 and the second end 72 of heating coil 7
Between be provided with the 3rd on-off valve 10, when refrigeration mode, the 3rd on-off valve 10 is opened and the 3rd on-off valve 10 during heating mode
Close.
Specifically, as it is shown in figure 1, when refrigeration mode, the 3rd on-off valve 10 is opened, throttling arrangement 5 changes with indoor
Pipeline between hot device 6 is circulation.When heating mode, the 3rd on-off valve 10 is closed, and throttling arrangement 5 is with indoor
Pipeline between heat exchanger 6 is blocked.By the higher liquid refrigerants of temperature flowed out in indoor heat exchanger 6 all by adding
First end 71 of hot coil 7 enters and is wrapped in the heating coil 7 on gas-liquid separator 2 outer wall, and to gas-liquid separation
Coolant in device 2 carries out heat release, promotes the liquid refrigerants evaporation gasification in gas-liquid separator 2, cold in heating coil 7
Matchmaker is followed by flowed out heating coil 7 by the second end 72 of heating coil 7 in heat release cooling and is entered in throttling arrangement 5
Row reducing pressure by regulating flow.All flowed through by the liquid refrigerants that the temperature flowed out in indoor heat exchanger 6 is higher and be wrapped in gas-liquid separator
Heating coil 7 on 2 outer walls, heats more abundant, such that it is able to preferably improve system to the coolant in gas-liquid separator 2
The return-air degree of superheat of system and cold medium flux, reduce the accumulation of liquid refrigerants so that the heating performance of refrigeration system 100 is more preferable.
Alternatively, as it is shown in figure 1, be provided with the first break-make between the second end 72 and the gas-liquid separator 2 of heating coil 7
Valve 8, heating coil 7 the first end 71 and gas-liquid separator 2 between be provided with the second on-off valve 9, the of heating coil 7
It is provided with the 3rd on-off valve 10 between one end 71 and the second end 72 of heating coil 7.When refrigeration mode, the first on-off valve
8 are turned off with the second on-off valve 9, and the 3rd on-off valve 10 is opened, and now do not have the coolant of low temperature liquid to flow into gas-liquid separation
In heating coil 7 on device 2 outer wall, by the coolant of the low temperature liquid flowed out in throttling arrangement 5 all by the 3rd on-off valve
10 entrance indoor heat exchangers 6 are evaporated gasification, so that the refrigeration performance of refrigeration system 100 is more preferable.
When heating mode, the first on-off valve 8 is all opened with the second on-off valve 9, and the 3rd on-off valve 10 is closed, now
The coolant that the temperature that flowed out by indoor heat exchanger 6 is higher passes sequentially through first end the 71, second on-off valve 9 of heating coil 7
In entering the heating coil 7 being wrapped on gas-liquid separator 2 outer wall and the coolant in gas-liquid separator 2 is carried out heat release,
Promoting the liquid refrigerants evaporation gasification in gas-liquid separator 2, the coolant in heating coil 7 cools down the most successively in heat release
Flow out heating coil 7 by the second end 72 of the first on-off valve 8, heating coil 7, subsequently enter in throttling arrangement 5
Row reducing pressure by regulating flow.When heating mode, by being opened with the second on-off valve 9 by the first on-off valve 8, simultaneously close off the 3rd
On-off valve 10 so that all flowed through by the liquid refrigerants of the higher temperature flowed out in indoor heat exchanger 6 and be wrapped in gas-liquid separation
In heating coil 7 on device 2 outer wall, so that coolant can make full use of at the heat of cyclic process in system, with
Cold medium flux in Shi Tigao refrigeration system 100 system in a heating mode, improves the service behaviour of refrigeration system 100.
In embodiments more of the present utility model, heating coil 7 between its first end 71 and second end 72
Part is wrapped on the outer wall of gas-liquid separator 2 from top to bottom.Specifically, when heating mode, by indoor heat exchanger
The higher liquid refrigerants of temperature flowed out in 6 is that the first end 71 from heating coil 7 first flows into and is wrapped in gas-liquid separator 2
In the heating coil 7 of outer wall upper end, then flow from top to bottom in the outside at gas-liquid separator 2, finally by heating coil
Second end 72 of 7 flows out heating coil 7.This canoe from top to bottom of heating coil 7 makes heating coil 7 make
Make simpler and diversified.
In other embodiments of the present utility model, heating coil 7 between its first end 71 and second end 72
Part be wrapped in from bottom to top on the outer wall of gas-liquid separator 2.Specifically, when heating mode, by indoor heat exchange
The higher liquid refrigerants of temperature flowed out in device 6 is that the first end 71 from heating coil 7 first flows into and is wrapped in gas-liquid separation
In the heating coil 7 of device 2 outer wall lower end, then flow from bottom to top in the outside at gas-liquid separator 2, finally by heating
Second end 72 of coil pipe 7 flows out heating coil 7.Owing in gas-liquid separator 2, the coolant of liquid is piled up in bottom more, add
This canoe from bottom to top of hot coil 7 makes the liquid refrigerants by the temperature discharged in indoor heat exchanger 6 is higher exist
Also being outflow from bottom to top on gas-liquid separator 2 outer wall, the coolant that temperature is higher is first positioned at gas-liquid separator for heating
Coolant bottom 2, so that the coolant heat absorption of gas-liquid separator 2 inner bottom part is more abundant, the liquid in gas-liquid separator 2
State refrigerant evaporation with fully, improves the refrigeration system 100 work efficiency under heating mode state more rapidly.
According to the refrigerating plant of this utility model second aspect embodiment, including real according to the above-mentioned first aspect of this utility model
Execute the refrigeration system 100 of example.Alternatively, refrigerating plant can be air conditioning system, such as, can be that small-sized family uses
Domestic air-conditioning system, or could be for the central air conditioner system etc. of large-scale public place.
According to the refrigerating plant of this utility model embodiment, by arranging according to this utility model above-mentioned first aspect embodiment
Refrigeration system 100, service behaviour more preferably, reliability and safety higher.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ", " show
Example ", the description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes specific features, knot
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to upper
The schematic representation stating term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure,
Material or feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
Without departing from these embodiments being carried out multiple change in the case of principle of the present utility model and objective, revise, replace
And modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (8)
1. a refrigeration system, described refrigeration system has refrigeration mode and heating mode, it is characterised in that described refrigeration
System includes:
Compressor and gas-liquid separator, the outlet of described gas-liquid separator is connected with the air entry of described compressor；
Four-way change-over valve, the entrance of described gas-liquid separator is connected and described compression with the first valve port of described four-way change-over valve
The air vent of machine is connected with the second valve port of described four-way change-over valve；
Outdoor heat exchanger, throttling arrangement and the indoor heat exchanger being sequentially connected, the 3rd valve port of described four-way change-over valve and institute
State outdoor heat exchanger to be connected and the 4th valve port of described four-way change-over valve is connected with described indoor heat exchanger；
Heating coil, described heating coil be wrapped in the outside of described gas-liquid separator with when heating mode to described gas-liquid
Separator heats, wherein said heating coil two ends be both connected to described indoor heat exchanger and described throttling arrangement it
Between.
Refrigeration system the most according to claim 1, it is characterised in that the first end of described heating coil is adjacent to described
Indoor heat exchanger is arranged and the second end of described heating coil is arranged adjacent to described throttling arrangement.
Refrigeration system the most according to claim 2, it is characterised in that the second end of described heating coil and described gas
Being provided with the first on-off valve between liquid/gas separator, the first on-off valve described in when refrigeration mode is closed and first leads to during heating mode
Disconnected valve is opened.
4. according to the refrigeration system described in Claims 2 or 3, it is characterised in that the first end of described heating coil and institute
Stating and be provided with the second on-off valve between gas-liquid separator, the second on-off valve described in when refrigeration mode is closed and during heating mode the
Two on-off valves are opened.
Refrigeration system the most according to claim 2, it is characterised in that the first end of described heating coil adds with described
Being provided with the 3rd on-off valve between second end of hot coil, the 3rd on-off valve described in when refrigeration mode is opened and during heating mode
3rd on-off valve is closed.
Refrigeration system the most according to claim 2, it is characterised in that described heating coil be positioned at its first end and
Part between second end is wrapped on the outer wall of described gas-liquid separator from top to bottom.
Refrigeration system the most according to claim 2, it is characterised in that described heating coil be positioned at its first end and
Part between second end is wrapped on the outer wall of described gas-liquid separator from bottom to top.
8. a refrigerating plant, it is characterised in that include according to the refrigeration system according to any one of claim 1-7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620164893.8U CN205536651U (en) | 2016-03-03 | 2016-03-03 | Refrigerating system and have its refrigerating plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620164893.8U CN205536651U (en) | 2016-03-03 | 2016-03-03 | Refrigerating system and have its refrigerating plant |
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| CN205536651U true CN205536651U (en) | 2016-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458748A (en) * | 2018-10-31 | 2019-03-12 | 珠海格力电器股份有限公司 | Air conditioner circulating system and air conditioner |
| CN114838535A (en) * | 2022-05-18 | 2022-08-02 | 广东开利暖通空调股份有限公司 | Air conditioning system with bypass heating gas-liquid separator and heating method thereof |
-
2016
- 2016-03-03 CN CN201620164893.8U patent/CN205536651U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458748A (en) * | 2018-10-31 | 2019-03-12 | 珠海格力电器股份有限公司 | Air conditioner circulating system and air conditioner |
| CN114838535A (en) * | 2022-05-18 | 2022-08-02 | 广东开利暖通空调股份有限公司 | Air conditioning system with bypass heating gas-liquid separator and heating method thereof |
| CN114838535B (en) * | 2022-05-18 | 2023-09-12 | 广东开利暖通空调股份有限公司 | Air conditioning system with bypass heating gas-liquid separator and heating method thereof |
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