CN107461955A - Refrigeration system - Google Patents
Refrigeration system Download PDFInfo
- Publication number
- CN107461955A CN107461955A CN201710765058.9A CN201710765058A CN107461955A CN 107461955 A CN107461955 A CN 107461955A CN 201710765058 A CN201710765058 A CN 201710765058A CN 107461955 A CN107461955 A CN 107461955A
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- Prior art keywords
- port
- air
- refrigerator
- heat exchanger
- valve
- Prior art date
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 80
- 238000004378 air conditioning Methods 0.000 claims abstract description 109
- 238000001704 evaporation Methods 0.000 claims abstract description 32
- 230000008020 evaporation Effects 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 claims description 58
- 238000007906 compression Methods 0.000 claims description 58
- 239000003507 refrigerant Substances 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 14
- 238000004781 supercooling Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/003—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a kind of refrigeration system, including：Compressor, outdoor heat exchanger, air-conditioning heat exchanger, evaporator of refrigerator, flash evaporation, multiple triple valves and multiple electric expansion valves.The compressor, the outdoor heat exchanger, the air-conditioning heat exchanger, the evaporator of refrigerator and the flash evaporation are connected by the triple valve or the electric expansion valve to form kind of refrigeration cycle each other, and including at least air-conditioning heat exchanger separate refrigeration, air-conditioning heat exchanger individually heat, evaporator of refrigerator separate refrigeration, air-conditioning heat exchanger and evaporator of refrigerator at the same freeze, air-conditioning heat exchanger heats and evaporator of refrigerator five kinds of mode of operations of refrigeration.Refrigeration system according to embodiments of the present invention becomes one the function of refrigerator and air conditioner, improves the utilization rate of product.
Description
Technical field
The present invention relates to refrigerating field, more particularly, to a kind of refrigeration system.
Background technology
In correlation technique, refrigerator and air conditioner are simple function product, for example refrigerator only has refrigerating function, and
Without air conditioning function, therefore greatly reduce the utilization rate of refrigerator and air conditioner.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention proposes a kind of system
Cooling system, the refrigeration system become one the function of refrigerator and air conditioner, improve the utilization rate of product
Refrigeration system according to embodiments of the present invention, including：Compressor, the compressor be provided with exhaust outlet, first time
Gas port and the second gas returning port；Outdoor heat exchanger, the outdoor heat exchanger have the first outdoor port and second that cooling matchmaker passes in and out
Outdoor port；Air-conditioning heat exchanger, the air-conditioning heat exchanger are used to indoor environment is freezed or heated, the air-conditioning heat exchanger
The first air-conditioning port and the second air-conditioning port with cooling matchmaker disengaging；Evaporator of refrigerator, the evaporator of refrigerator are used for ice
Case is freezed, and the evaporator of refrigerator has the first refrigerator port and the second refrigerator port that cooling matchmaker passes in and out；Flash evaporation, institute
State flash evaporation to be used to that refrigerant therein progress gas-liquid separation will to be entered, the flash evaporation has the first shwoot end that cooling matchmaker passes in and out
Mouth, the second shwoot port, the 3rd shwoot port and the 4th shwoot port；Multiple triple valves and multiple electric expansion valves, the pressure
Contracting machine, the outdoor heat exchanger, the air-conditioning heat exchanger, the evaporator of refrigerator and the flash evaporation are each other by described
Triple valve or the electric expansion valve are connected to form kind of refrigeration cycle, and changed including at least air-conditioning heat exchanger separate refrigeration, air-conditioning
Hot device individually heats, evaporator of refrigerator separate refrigeration, air-conditioning heat exchanger and evaporator of refrigerator while freezes, air-conditioning heat exchanger heating
And evaporator of refrigerator five kinds of mode of operations of refrigeration, wherein each triple valve is respectively provided with three valve ports, and each threeway
Three valve ports in valve are configured to block when any two of which valve port communicates with each other and with the 3rd valve port, each electricity
Sub- expansion valve comprises at least conducting, blocked and the three kinds of selectable states that throttle.
Refrigeration system according to embodiments of the present invention, by the way that compressor, outdoor heat exchanger, air-conditioning heat exchanger, refrigerator are steamed
Hair device, flash evaporation are connected with each other, so as to realize heat exchanger separate refrigeration, air-conditioning heat exchanger individually heat, evaporator of refrigerator
Five kinds of works that separate refrigeration, air-conditioning heat exchanger and evaporator of refrigerator freeze simultaneously, air-conditioning heat exchanger heats and evaporator of refrigerator freezes
Operation mode, so as to which the function of refrigerator and air conditioner be become one, improve the utilization rate of product.Relative to prior art
For air-conditioning and the refrigeration system of refrigerator isolated operation, the refrigeration system of the embodiment of the present invention can save a compressor and one
Individual heat exchanger, reduces cost.
According to one embodiment of present invention, multiple triple valves include：First triple valve, first triple valve
Three valve ports are connected with the exhaust outlet, the first outdoor port and the first air-conditioning port respectively；Second triple valve and
3rd triple valve, three valve ports of second triple valve respectively with first gas returning port, the first refrigerator port and institute
The one of valve port for stating the 3rd triple valve is connected, and two other valve port of the 3rd triple valve is outdoor with described first respectively
Port is connected with the first air-conditioning port；4th triple valve, three valve ports of the 4th triple valve are respectively with described second
Gas returning port, the first shwoot port are connected with the first refrigerator port.
According to one embodiment of present invention, multiple electric expansion valves include：First electric expansion valve, described first
The both ends of electric expansion valve are connected with the second Room external port and the second shwoot port respectively；Second electric expansion valve,
The both ends of second electric expansion valve are connected with the 3rd shwoot port and the second refrigerator port respectively；3rd electronics
Expansion valve, the both ends of the 3rd electric expansion valve are connected with the 4th shwoot port and the second air-conditioning port respectively.
According to one embodiment of present invention, the air-conditioning heat exchanger and the evaporator of refrigerator are arranged on same shell
It is interior.
According to one embodiment of present invention, the air-conditioning heat exchanger and the evaporator of refrigerator are separately mounted to two not
In same shell.
According to one embodiment of present invention, the compressor includes the first compression chamber and the second compression chamber, and described first
Gas returning port connects with first compression chamber, and second gas returning port connects with second compression chamber, wherein first pressure
The volume of contracting chamber is more than the volume of second compression chamber.
According to one embodiment of present invention, the compressor is twin-tub rotation-type compressor, the twin-tub rotation-type pressure
Limited in one in two cylinders in contracting machine first compression chamber and another in limit second compression chamber.
According to one embodiment of present invention, the compressor is single cylinder rotary compressor, rotary in the single cylinder
Two slide plates are provided with the cylinder of compressor so that the cylinder is separated into first compression chamber and second compression chamber.
According to one embodiment of present invention, the compressor is single cylinder rotary compressor, rotary in the single cylinder
The cylinder of compressor is provided with air entry and vane slot, and the air entry connects with first gas returning port, the vane slot
Rear end connects with second gas returning port.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is refrigeration system schematic diagram according to embodiments of the present invention；
Fortune when Fig. 2 is the mode of operation that refrigeration system according to embodiments of the present invention is in air-conditioning heat exchanger separate refrigeration
Row schematic diagram；
Fig. 3 is fortune when refrigeration system according to embodiments of the present invention is in the mode of operation that air-conditioning heat exchanger individually heats
Row schematic diagram；
Fortune when Fig. 4 is the mode of operation that refrigeration system according to embodiments of the present invention is in evaporator of refrigerator separate refrigeration
Row schematic diagram；
Fig. 5 is the work that refrigeration system according to embodiments of the present invention is in air-conditioning heat exchanger and evaporator of refrigerator while refrigeration
Operation schematic diagram during operation mode；
Fig. 6 is the work that refrigeration system according to embodiments of the present invention is in air-conditioning heat exchanger heating and evaporator of refrigerator refrigeration
Operation schematic diagram during operation mode；
Fig. 7 is the structural representation of compressor according to an embodiment of the invention；
Fig. 8 is the structural representation of the cylinder of compressor according to an embodiment of the invention.
Reference：
Refrigeration system 100；
Compressor 1；Exhaust outlet 11；First gas returning port 12；Second gas returning port 13；Air entry 14；Vane slot 15；
Outdoor heat exchanger 2；First outdoor port 21；Second Room external port 22；
Air-conditioning heat exchanger 3；First air-conditioning port 31；Second air-conditioning port 32；
Evaporator of refrigerator 4；First refrigerator port 41；Second refrigerator port 42；
First triple valve 51；Second triple valve 52；3rd triple valve 53；4th triple valve 54；
First electric expansion valve 61；Second electric expansion valve 62；3rd electric expansion valve 63；
Flash evaporation 7；First shwoot port 71；Second shwoot port 72；3rd shwoot port 73；4th shwoot port 74.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Refrigeration system 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 8.
As Figure 1-Figure 8, refrigeration system 100 according to embodiments of the present invention includes：Compressor 1, outdoor heat exchanger 2,
Air-conditioning heat exchanger 3, evaporator of refrigerator 4, flash evaporation 7, multiple triple valves and multiple electric expansion valves.
Compressor 1 is provided with exhaust outlet 11, the first gas returning port 12 and the second gas returning port 13, and outdoor heat exchanger 2 has cooling
First outdoor port 21 of matchmaker's disengaging and second Room external port 22, air-conditioning heat exchanger 3 are used to indoor environment is freezed or made
There is the first air-conditioning port 31 of cooling matchmaker disengaging and the second air-conditioning port 32, evaporator of refrigerator 4 to be used for for heat, air-conditioning heat exchanger 3
Refrigerator is freezed, evaporator of refrigerator 4 has the first refrigerator port 41 and the second refrigerator port 42 of cooling matchmaker disengaging, shwoot
Device 7, which is used to that refrigerant therein will to be entered, carries out gas-liquid separation, and flash evaporation 7 has the first shwoot port 71 of cooling matchmaker disengaging, the
Two shwoot ports 72, the 3rd shwoot port 73 and the 4th shwoot port 74.Wherein compressor 1, outdoor heat exchanger 2, air-conditioning heat exchange
Device 3, evaporator of refrigerator 4 and flash evaporation 7 are connected to form kind of refrigeration cycle, and extremely by triple valve or electric expansion valve each other
Include the separate refrigeration of air-conditioning heat exchanger 3, air-conditioning heat exchanger 3 individually heating, the separate refrigeration of evaporator of refrigerator 4, air-conditioning heat exchanger 3 less
With evaporator of refrigerator 4 simultaneously freeze, air-conditioning heat exchanger 3 heats and evaporator of refrigerator 4 freeze five kinds of mode of operations, wherein each three
Port valve is respectively provided with three valve ports, and when three valve ports in each triple valve are configured to any two of which valve port and communicated with each other
And blocked with the 3rd valve port, each electric expansion valve comprises at least conducting, blocked and the three kinds of selectable states that throttle.
Wherein it should be noted that " compressor 1, outdoor heat exchanger 2, air-conditioning heat exchanger 3, evaporator of refrigerator 4 and flash evaporation 7
It is connected each other by triple valve or electric expansion valve to form kind of refrigeration cycle " refer to, compressor 1, outdoor heat exchanger 2, sky
Heat exchanger 3, evaporator of refrigerator 4 and flash evaporation 7 is adjusted to be sequentially connected to form refrigeration system 100, and two to be connected with each other portion
A triple valve or electric expansion valve, the refrigeration system 100 thus formed, it is possible to achieve air-conditioning heat exchanger 3 can be provided between part
The independent heating of separate refrigeration, air-conditioning heat exchanger 3, the separate refrigeration of evaporator of refrigerator 4, air-conditioning heat exchanger 3 and evaporator of refrigerator 4 are simultaneously
Five kinds of mode of operations that refrigeration, air-conditioning heat exchanger 3 heat and evaporator of refrigerator 4 freezes.
It should also be noted that, " three valve ports in each triple valve are configured to any two of which valve port and connected each other
Block when logical and with the 3rd valve port " refer to there is three valve ports, wherein when any two valve port mutually interconnects in each triple valve
When logical, two valve ports of the 3rd valve port and other do not connect.Three valve ports of certain triple valve can also be blocked all, i.e., and three
Individual valve port is not turned on.
Need further exist for explanation, " each electric expansion valve comprise at least conducting, block and throttle three kinds it is selectable
State " refers to turn on without to flowing through its pipeline where it when electric expansion valve is in the conduction state
Refrigerant carries out reducing pressure by regulating flow, the pipeline where it can be blocked when electric expansion valve, which is in, blocks state, refrigerant is not
It can be flowed changing in pipeline, when electric expansion valve is in throttling arrangement, reducing pressure by regulating flow can be carried out to flowing through its refrigerant.
Refrigeration system 100 according to embodiments of the present invention, by by compressor 1, outdoor heat exchanger 2, air-conditioning heat exchanger 3,
Evaporator of refrigerator 4, flash evaporation 7 are connected with each other, so as to realize heat exchanger separate refrigeration, air-conditioning heat exchanger 3 individually heating, ice
The separate refrigeration of case evaporator 4, air-conditioning heat exchanger 3 and evaporator of refrigerator 4 freeze simultaneously, air-conditioning heat exchanger 3 heats and refrigerator evaporates
The five kinds of mode of operations of refrigeration of device 4, so as to which the function of refrigerator and air conditioner be become one, improve the utilization rate of product.Phase
For the air-conditioning of prior art and the refrigeration system of refrigerator isolated operation, the refrigeration system of the embodiment of the present invention can save
One compressor and a heat exchanger, reduce cost.
Refrigeration system 100 according to embodiments of the present invention is described in detail below with reference to Fig. 1-Fig. 8.
As shown in figs 1 to 6, refrigeration system 100 according to embodiments of the present invention includes：Compressor 1, outdoor heat exchanger 2,
Air-conditioning heat exchanger 3, evaporator of refrigerator 4, flash evaporation 7, multiple triple valves and multiple electric expansion valves.
Wherein triple valve includes at least four and respectively first triple valve 51, the second triple valve 52, the 3rd triple valve 53
With the 4th triple valve 54.Three valve ports of the first triple valve 51 respectively with exhaust outlet 11, the first outdoor air-conditioning of port 21 and first
Port 31 is connected, three valve ports of the second triple valve 52 respectively with the first gas returning port 12, the first refrigerator port 41 and the 3rd threeway
One of valve port of valve 53 is connected, and two other valve port of the 3rd triple valve 53 is empty with the first outdoor port 21 and first respectively
Adjust port 31 to be connected, three valve ports of the 4th triple valve 54 respectively with the second gas returning port 13, the first shwoot port 71 and the first ice
Case port 41 is connected.Such attachment structure is simple, can readily realize five kinds of above-mentioned mode of operations.
Further, multiple electric expansion valves include：First electric expansion valve 61, the second electric expansion valve 62 and the 3rd electricity
Sub- expansion valve 63.The both ends of first electric expansion valve 61 are connected with the shwoot port 72 of second Room external port 22 and second respectively, the
The both ends of two electric expansion valves 62 are connected with the 3rd shwoot port 73 and the second refrigerator port 42 respectively, the 3rd electric expansion valve 63
Both ends be connected respectively with the 4th shwoot port 74 and the second air-conditioning port 32.Such attachment structure is simple, can be easy
Realize five kinds of above-mentioned mode of operations.
By to the first above-mentioned triple valve 51, the second triple valve 52, the 3rd triple valve 53 and the 4th triple valve 54, and
The corresponding control of first electric expansion valve 61, the second electric expansion valve 62 and the 3rd electric expansion valve 63 can realize refrigeration system
Above-mentioned five kinds of mode of operations of system 100.
Further, in some embodiments of the invention, compressor 1 includes the first compression chamber and the second compression chamber, the
One gas returning port 12 connects with the first compression chamber, and the second gas returning port 13 connects with the second compression chamber, and refrigerant flows through the first gas returning port 12
Enter into the first compression chamber and be compressed, refrigerant is flowed into the second compression chamber through the second gas returning port 13 and is compressed.
It is described in detail in below with reference to Fig. 2-Fig. 6 under different mode of operations, the stream of the refrigerant in refrigeration system 100
Road.
As shown in Fig. 2 when refrigeration system 100 is in the mode of operation of the separate refrigeration of air-conditioning heat exchanger 3：
According to the arrow in Fig. 2 and shown in solid, exhaust outlet 11 corresponding to compressor 1 passes through pipeline and connects the first triple valve
51, under air-conditioning separate refrigeration operational mode, refrigerant flows out to enter through the first triple valve 51, the first outdoor port 21 from exhaust outlet 11
Enter to outdoor heat exchanger 2, condenser of the outdoor heat exchanger 2 as system, the gas of HTHP is cooled down, form supercooling
High pressure refrigerant liquid, high pressure supercooling refrigerant liquid through second Room external port 22 discharge after, by the first electric expansion valve 61
Primary decompression (now the first electric expansion valve 61 is in throttle) is carried out, dodges issued section cold media gas, forms intermediate pressure
Strength liquid mixture, the refrigerant of gas-liquid mixed enter in flash evaporation 7 by the second shwoot port 72, are divided into gas and liquid herein
Two-way.
Wherein liquid coolant flows out from the 4th shwoot port 74, is further depressured by the 3rd electric expansion valve 63
(now the 3rd electric expansion valve 63 is in throttle), now also has part cold media gas shwoot and come out, this part gas-liquid
Mixture enters in air-conditioning heat exchanger 3 through the second air-conditioning port 32, evaporator of the air-conditioning heat exchanger 3 as system, enters indoors
In row refrigeration, refrigerant, which absorbs heat, turns into low area overheat gas and after the discharge of the first air-conditioning port 31, by the 3rd triple valve
53 and second triple valve 52, it is inhaled into from the first air entry 14 of compressor 1 in the first compression chamber of compressor 1, first
High temperature and high pressure gas are compressed into compression chamber, are discharged into the housing of compressor 1.
Saturated gas corresponding to intermediate pressure in flash evaporation 7 is discharged by the first shwoot port 71, by the 4th threeway
Valve 54 is sucked the second compression chamber of compressor 1 by the second air entry 14 of compressor 1, is equally also compressed into HTHP gas
Body, it is discharged into the housing of compressor 1, above-mentioned gas are discharged after being mixed from the exhaust outlet 11 of compressor 1, are gone round and begun again
Circulation.
Wherein under the mode of operation of the separate refrigeration of air-conditioning heat exchanger 3, using the second compression chamber in flash evaporation 7
Between pressure refrigerant gas absorbed, i.e., run using the technology of independent compression, system energy efficiency can be significantly improved.
In fig. 2, many places line employs dotted line, this represents that this part pipeline flows without refrigerant, such as refrigerator evaporation
Pipeline before and after device 4 is dotted line, and this is due to that system completely closes (now the second electric expansion valve of the second electric expansion valve 62
62 in blocking state).
As shown in figure 3, when refrigeration system 100 is in the mode of operation that air-conditioning heat exchanger 3 individually heats：
As shown in figure 3, exhaust outlet 11 corresponding to compressor 1 connects air-conditioning heat exchanger 3 by the first triple valve 51, through first
Air-conditioning port 31 is entered in air-conditioning heat exchanger 3, condenser of the air-conditioning heat exchanger 3 as system, the gas of HTHP is entered
Row cooling, and to indoor releasing heat and heated, and the highly pressurised liquid of supercooling is formed, the liquid of high pressure supercooling is through second
After air-conditioning port 32 is flowed out, carrying out primary decompression by the 3rd electric expansion valve 63, (now the 3rd electric expansion valve 63 is in section
Stream mode), issued section cold media gas is dodged, forms intermediate pressure gas-liquid mixture, gas-liquid mixed refrigerant is through the 4th shwoot port
74 enter in flash evaporation 7, are divided into gas and liquid two-way herein.
Wherein liquid coolant flows out from the second shwoot port 72, after be further depressured by the first electric expansion valve 61
(now the first electric expansion valve 61 is in throttle), now also has part cold media gas shwoot and come out, this part gas-liquid
Mixture enters in outdoor heat exchanger 2 through second Room external port 22, evaporator of the outdoor heat exchanger 2 as system, from outdoor ring
Border draw heat, in outdoor heat exchanger 2, refrigerant, which absorbs heat, turns into low area overheat gas, and through the first outdoor row of port 21
After going out, successively by the 3rd triple valve 53 and the second triple valve 52, compressor is inhaled into from the first air entry 14 of compressor 1
In 1 first compression chamber, high temperature and high pressure gas are compressed into the first compression chamber, are discharged into the housing of compressor 1.
Intermediate pressure in flash evaporation 7 corresponds to saturated gas and flowed out by the first shwoot port 71, through the 4th triple valve 54
Second compression chamber of compressor 1 is sucked by the second air entry 14 of compressor 1, is equally also compressed into high temperature and high pressure gas, is arranged
In the housing for entering compressor 1, above-mentioned gas are discharged after being mixed from the exhaust outlet 11 of compressor 1, the circulation to go round and begin again.
Wherein under the mode of operation that air-conditioning heat exchanger 3 individually heats, using the second compression chamber in flash evaporation 7
Between pressure refrigerant gas absorbed, i.e., run using the technology of independent compression, system energy efficiency can be significantly improved.
In figure 3, many places line employs dotted line, this represents that this part pipeline flows without refrigerant, such as refrigerator evaporation
Pipeline before and after device 4 is dotted line, and this is due to that system completely closes (now the second electric expansion valve of the second electric expansion valve 62
62 in blocking state).
As shown in figure 4, when refrigeration system 100 is in the mode of operation of the separate refrigeration of evaporator of refrigerator 4：
As shown in figure 4, exhaust outlet 11 corresponding to compressor 1 through the first triple valve 51, the first outdoor communication chamber of port 21 outside
Heat exchanger 2, condenser of the outdoor heat exchanger 2 as system, the gas of HTHP is cooled down, and forms the high pressure liquid of supercooling
Body, the liquid of high pressure supercooling carry out primary decompression (now after the discharge of second Room external port 22 by the first electric expansion valve 61
First electric expansion valve 61 is in throttle), issued section cold media gas is dodged, forms intermediate pressure gas-liquid mixture, gas-liquid
Mix refrigerant through the second shwoot port 72 to enter in flash evaporation 7, be divided into gas and liquid two-way herein.
Wherein liquid coolant flows out through the 3rd shwoot port 73, is further depressured by the second electric expansion valve 62
(now the second electric expansion valve 62 is in throttle), now also has part cold media gas shwoot and come out, this part gas-liquid
Mixture enters in evaporator of refrigerator 4 through the second refrigerator port 42, and in evaporator of refrigerator 4, refrigerant, which absorbs heat, turns into low pressure
Overheated gas, and after the outflow of the first refrigerator port 41, by the second triple valve 52, from the quilt of the first air entry 14 of compressor 1
Suck in the compression chamber of compressor 1 first, high temperature and high pressure gas are compressed into compression chamber, are discharged into the housing of compressor 1.
Intermediate pressure in flash evaporation 7 corresponds to saturated gas and discharged through the first shwoot port 71, by the 4th triple valve 54
Second compression chamber of compressor 1 is sucked by the second air entry 14 of compressor 1, is equally also compressed into high temperature and high pressure gas, is arranged
Enter in the housing of compressor 1, above-mentioned gas are discharged after being mixed from the exhaust outlet 11 of compressor 1, the circulation to go round and begin again.
Wherein under the mode of operation of the separate refrigeration of evaporator of refrigerator 4, using the second compression chamber in flash evaporation 7
Between pressure refrigerant gas absorbed, i.e., run using the technology of independent compression, system energy efficiency can be significantly improved.
In Fig. 4, many places line employs dotted line, this represents that this part pipeline flows without refrigerant, such as air-conditioning heat exchange
Pipeline before and after device 3 is dotted line, and this is due to that system completely closes (now the 3rd electric expansion valve of the 3rd electric expansion valve 63
63 in blocking state).
As shown in figure 5, when refrigeration system 100 is in air-conditioning heat exchanger 3 and evaporator of refrigerator 4 while the mode of operation freezed
When：
As shown in figure 5, exhaust outlet 11 corresponding to compressor 1 through the first triple valve 51, the first outdoor communication chamber of port 21 outside
Heat exchanger 2, condenser of the outdoor heat exchanger 2 as system, the gas of HTHP is cooled down, and forms the high pressure liquid of supercooling
Body is simultaneously discharged from second Room external port 22, can now control the aperture of the first electric expansion valve 61 as needed, can be complete
Open, refrigerant is not throttled, can also suitably throttle, refrigerant pass through the first electric expansion valve 61, the second shwoot
Port 72 enters flash evaporation 7, is divided into two-way herein, flows to corresponding air-conditioning heat exchanger 3 all the way, flows to evaporator of refrigerator 4 all the way.
After refrigerant flows out from the 4th shwoot port 74, low-pressure gas-liquid mixture (this is formed by the 3rd electric expansion valve 63
When the 3rd electric expansion valve 63 be in throttle), this part gas-liquid mixture through the second air-conditioning port 32 enter air-conditioning exchange heat
In device 3, evaporator of the air-conditioning heat exchanger 3 as system, refrigerant absorbs heat in air-conditioning heat exchanger 3 turns into low area overheat gas
Body, after being discharged from the first air-conditioning port 31, successively by the 3rd triple valve 53 and the second triple valve 52, from the of compressor 1
One air entry 14 is inhaled into the compression chamber of compressor 1 first, is compressed into high temperature and high pressure gas in the first compression chamber, is discharged into pressure
In the housing of contracting machine 1.
Refrigerant is flowed out from the 3rd shwoot port 73, and low-pressure gas-liquid mixture is formed (now by the second electric expansion valve 62
Second electric expansion valve 62 is in throttle), this part gas-liquid mixture enters evaporator of refrigerator 4 through the second refrigerator port 42
In, in evaporator of refrigerator 4, refrigerant, which absorbs heat, turns into low area overheat gas, after the discharge of the first refrigerator port 41, by the
Four triple valves 54, it is inhaled into the compression chamber of compressor 1 second from the second air entry 14 of compressor 1, is compressed in compression chamber
Into high temperature and high pressure gas, it is discharged into the housing of compressor 1.Above-mentioned refrigerant mixes in the housing of compressor 1, continues from steam vent
Discharge, the circulation to go round and begin again.
As shown in fig. 6, when refrigeration system 100 is in the mode of operation that air-conditioning heat exchanger 3 heats and evaporator of refrigerator 4 freezes
When：
As shown in fig. 6, exhaust outlet 11 corresponding to compressor 1 connects the first triple valve 51 by pipeline, and through the first air-conditioning
Port 31 enters air-conditioning heat exchanger 3, condenser of the air-conditioning heat exchanger 3 as system, the gas of HTHP is cooled down, shape
Into supercooling highly pressurised liquid and discharged from the second air-conditioning port 32, can now control the 3rd electric expansion valve 63 as needed
Aperture, can completely open, refrigerant not throttled, can also be suitably throttle, refrigerant passes through the 3rd electronic expansion
Valve 63, the 4th shwoot port 74 enter flash evaporation 7, are divided into two-way herein, flow to outdoor heat exchanger 2 all the way, flow to refrigerator all the way
Evaporator 4.
After refrigerant flows out from the second shwoot port 72, refrigerant forms low-pressure gas-liquid by the first electric expansion valve 61 and mixed
Thing, this part gas-liquid mixture enter in outdoor heat exchanger 2 through second Room external port 22, steaming of the outdoor heat exchanger 2 as system
Device is sent out, from outdoor absorption heat, in outdoor air conditioner heat exchanger 3, refrigerant, which absorbs heat, turns into low area overheat gas, from the first Room
After external port 21 is discharged, successively by the 3rd triple valve 53 and the second triple valve 52, from the quilt of the first air entry 14 of compressor 1
Suck in the compression chamber of compressor 1 first, high temperature and high pressure gas are compressed into compression chamber, are discharged into the housing of compressor 1.
Refrigerant forms low-pressure gas-liquid mixture from the flow export of the 3rd shwoot port 73, by the second electric expansion valve 62, this
Part gas-liquid mixture enters in evaporator of refrigerator 4 through the second refrigerator port 42, and in evaporator of refrigerator 4, refrigerant absorbs heat
As low area overheat gas, and discharged from the first refrigerator port 41, and pass through the 4th triple valve 54, inhaled from the second of compressor 1
Gas port 14 is inhaled into 1 secondary compression chamber of compressor, and high temperature and high pressure gas are compressed into compression chamber, are discharged into the shell of compressor 1
In vivo.Above-mentioned refrigerant mixes in housing, continues to discharge from steam vent, the circulation to go round and begin again.
To sum up, refrigeration system 100 according to embodiments of the present invention by control the first triple valve 51, the second triple valve 52,
3rd triple valve 53 and the 4th triple valve 54 and the first electric expansion valve 61, the second electric expansion valve 62 and the 3rd electronic expansion
The working condition of valve 63, it is possible to achieve individually heating, evaporator of refrigerator 4 are single for the separate refrigeration of air-conditioning heat exchanger 3, air-conditioning heat exchanger 3
Solely refrigeration, air-conditioning heat exchanger 3 and evaporator of refrigerator 4 freeze simultaneously, air-conditioning heat exchanger 3 heats and evaporator of refrigerator 4 freezes five kinds
Mode of operation, so as to which the function of refrigerator and air conditioner be become one, improve the utilization rate of product.Relative to prior art
Air-conditioning and refrigerator isolated operation refrigeration system for, the refrigeration system of the embodiment of the present invention can save a compressor and
One heat exchanger, reduces cost.
According to some embodiments of the present invention, air-conditioning heat exchanger 3 and evaporator of refrigerator 4 are arranged in same shell.I.e.
Air-conditioning heat exchanger 3 and evaporator of refrigerator 4 can fit together, and form indoor set, it is possible thereby to reduce the space-consuming of product,
Product with compact structure.Alternatively, air-conditioning heat exchanger 3 is located at the top of indoor set.
Certain air-conditioning heat exchanger 3 and evaporator of refrigerator 4 are separately mounted in two different shells.It is, air-conditioning changes
Hot device 3 and evaporator of refrigerator 4 install positioning respectively, it is possible thereby to allow the arrangement of product according to the flexible cloth in actual installation space
Put.
In some embodiments of the invention, compressor 1 includes the first compression chamber and the second compression chamber, the first gas returning port 12
Connected with the first compression chamber, the second gas returning port 13 connects with the second compression chamber, wherein the volume of the first compression chamber is more than the second pressure
The volume of contracting chamber.It is possible thereby to make the cold of air-conditioning heat exchanger 3 and evaporator of refrigerator 4 or heat demand meet to be actually needed, produce
The cold medium flux control of product is more scientific and reasonable.
Further, alternatively, as shown in fig. 7, the compressor 1 of the present invention can be twin-tub rotation-type compressor, twin-tub
Limited in one in two cylinders in rotary compressor the first compression chamber and another in limit the second compression chamber.
Certainly the present invention is not limited thereto, and compressor 1 can also be single cylinder rotary compressor, in single cylinder rotary compression
Two slide plates are provided with the cylinder of machine so that cylinder is separated into the first compression chamber and the second compression chamber.
In addition, as shown in figure 8, compressor 1 is single cylinder rotary compressor, set on the cylinder of single cylinder rotary compressor
There are air entry 14 and vane slot 15, air entry 14 connects with the first gas returning port 12, the rear end of vane slot 15 and the second gas returning port 13
Connection.Compressed thus according to the compressor 1 of the embodiment of the present invention for rotor toward complex coupling compressor, cylinder internal cavity for first
Chamber, the space at the rear portion of vane slot 15 forms the second compression chamber, it is possible thereby to make the structure of compressor 1 more diversified, saves cost.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (9)
- A kind of 1. refrigeration system, it is characterised in that including：Compressor, the compressor are provided with exhaust outlet, the first gas returning port and the second gas returning port；Outdoor heat exchanger, the outdoor heat exchanger have the first outdoor port and the second Room external port of cooling matchmaker disengaging；Air-conditioning heat exchanger, the air-conditioning heat exchanger are used to indoor environment is freezed or heated, and the air-conditioning heat exchanger has The the first air-conditioning port and the second air-conditioning port of cooling matchmaker disengaging；Evaporator of refrigerator, the evaporator of refrigerator are used to freeze to refrigerator, and the evaporator of refrigerator has cooling matchmaker disengaging The first refrigerator port and the second refrigerator port；Flash evaporation, the flash evaporation are used to that refrigerant therein progress gas-liquid separation will to be entered, and there is the flash evaporation cooling matchmaker to enter The first shwoot port, the second shwoot port, the 3rd shwoot port and the 4th shwoot port gone out；Multiple triple valves and multiple electric expansion valves, it is the compressor, the outdoor heat exchanger, the air-conditioning heat exchanger, described Evaporator of refrigerator is connected by the triple valve or the electric expansion valve each other with the flash evaporation to be followed with forming refrigeration Ring, and including at least air-conditioning heat exchanger separate refrigeration, air-conditioning heat exchanger individually heats, evaporator of refrigerator separate refrigeration, air-conditioning change Five kinds of mode of operations that hot device and evaporator of refrigerator freeze simultaneously, air-conditioning heat exchanger heats and evaporator of refrigerator freezes,Wherein each triple valve is respectively provided with three valve ports, and three valve ports in each triple valve are configured to wherein Blocked when any two valve port communicates with each other and with the 3rd valve port, each electric expansion valve comprises at least conducting, blocked With three kinds of selectable states of throttling.
- 2. refrigeration system according to claim 1, it is characterised in that multiple triple valves include：First triple valve, three valve ports of first triple valve respectively with the exhaust outlet, the first outdoor port and institute The first air-conditioning port is stated to be connected；Second triple valve and the 3rd triple valve, three valve ports of second triple valve respectively with first gas returning port, described First refrigerator port is connected with one of valve port of the 3rd triple valve, two other valve port point of the 3rd triple valve It is not connected with the described first outdoor port and the first air-conditioning port；4th triple valve, three valve ports of the 4th triple valve respectively with second gas returning port, the first shwoot port It is connected with the first refrigerator port.
- 3. refrigeration system according to claim 1, it is characterised in that multiple electric expansion valves include：First electric expansion valve, the both ends of first electric expansion valve are dodged with the second Room external port and described second respectively Originator mouth is connected；Second electric expansion valve, the both ends of second electric expansion valve respectively with the 3rd shwoot port and second ice Case port is connected；3rd electric expansion valve, the both ends of the 3rd electric expansion valve respectively with the 4th shwoot port and described second empty Port is adjusted to be connected.
- 4. refrigeration system according to claim 1, it is characterised in that the air-conditioning heat exchanger and evaporator of refrigerator peace In same shell.
- 5. refrigeration system according to claim 1, it is characterised in that the air-conditioning heat exchanger and the evaporator of refrigerator point An Zhuan not be in two different shells.
- 6. refrigeration system according to claim 1, it is characterised in that the compressor includes the first compression chamber and the second pressure Contracting chamber, first gas returning port connect with first compression chamber, and second gas returning port connects with second compression chamber, its Described in the first compression chamber volume be more than second compression chamber volume.
- 7. refrigeration system according to claim 6, it is characterised in that the compressor is twin-tub rotation-type compressor, institute State limited in one in two in twin-tub rotation-type compressor cylinders first compression chamber and another in limit Second compression chamber.
- 8. refrigeration system according to claim 6, it is characterised in that the compressor is single cylinder rotary compressor, Two slide plates are provided with the cylinder of the single cylinder rotary compressor so that the cylinder is separated into first compression chamber and institute State the second compression chamber.
- 9. refrigeration system according to claim 1, it is characterised in that the compressor is single cylinder rotary compressor, The cylinder of the single cylinder rotary compressor is provided with air entry and vane slot, and the air entry connects with first gas returning port Logical, the rear end of the vane slot connects with second gas returning port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765058.9A CN107461955A (en) | 2017-08-30 | 2017-08-30 | Refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765058.9A CN107461955A (en) | 2017-08-30 | 2017-08-30 | Refrigeration system |
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| Publication Number | Publication Date |
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| CN107461955A true CN107461955A (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710765058.9A Pending CN107461955A (en) | 2017-08-30 | 2017-08-30 | Refrigeration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393452A (en) * | 2020-11-27 | 2021-02-23 | 珠海格力电器股份有限公司 | Refrigerator refrigerating system and operation method thereof |
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| CN2472105Y (en) * | 2001-02-28 | 2002-01-16 | 曾金石 | Apparatus for combined air conditioner with refrigerator |
| EP2551612A2 (en) * | 2011-07-29 | 2013-01-30 | Mitsubishi Heavy Industries | Supercritical-cycle heat pump |
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Application publication date: 20171212 |