CN105508256B - Rotary compressor and heat-exchange system with it - Google Patents
Rotary compressor and heat-exchange system with it Download PDFInfo
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- CN105508256B CN105508256B CN201610034724.7A CN201610034724A CN105508256B CN 105508256 B CN105508256 B CN 105508256B CN 201610034724 A CN201610034724 A CN 201610034724A CN 105508256 B CN105508256 B CN 105508256B
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- refrigerant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
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- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of rotary compressor and with its heat-exchange system.The rotary compressor includes liquid storage device, shell, compression mechanism and injector, and the shell is located at outside the liquid storage device, is formed with exhaust outlet on the shell；The compression mechanism is located in the shell, and the compression mechanism has air entry；The injector and the liquid storage device are connected in series with each other at the air entry of the compression mechanism.Rotary compressor according to the present invention, low-temperature heating effect is excellent, performance is good, and structure is simple, applied widely.
Description
Technical field
The present invention relates to technical field of heat exchange, more particularly, to a kind of rotary compressor and have the rotary compression
The heat-exchange system of machine.
Background technique
Rotary compressor in the related technology, due to the reduction of evaporator refrigerant temperature, causes to make in low-temperature environment
The ability of SAPMAC method system reduces, and the performance of rotary compressor is poor.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention needs to provide one
Kind rotary compressor, the low-temperature heating effect of the rotary compressor is excellent, performance is good, and structure is simple, the scope of application
Extensively.
The present invention it is also required to provide a kind of heat-exchange system with the rotary compressor.
The rotary compressor of embodiment according to a first aspect of the present invention, comprising: liquid storage device；Shell, the shell are located at
Outside the liquid storage device, exhaust outlet is formed on the shell；Compression mechanism, the compression mechanism is located in the shell, described
Compression mechanism has air entry；And injector, the injector and the liquid storage device are connected to the compression in series with each other
At the air entry of mechanism.
Rotary compressor according to an embodiment of the present invention sprays the refrigerant for entering compression mechanism using injector
Increasing enthalpy enhances low-temperature heating effect, improves the performance of rotary compressor, and structure is simple, applied widely.
According to some embodiments of the present invention, the liquid storage device has refrigerant inlet and refrigerant exit, the injection utensil
There are injection refrigerant inlet, jet exit and increasing enthalpy refrigerant inlet, wherein the injector is located at the refrigerant inlet of the liquid storage device
Place, the refrigerant exit is connected to the air entry and the jet exit is connected to the refrigerant inlet；Or the injector
It is located between the refrigerant exit of the liquid storage device and the air entry of the compression mechanism, the injection refrigerant inlet and the refrigerant
The outlet and jet exit is connected to the air entry.
In some embodiments of the invention, the injector includes: injection ontology, has injection in the injection ontology
Chamber, the injection refrigerant inlet and the jet exit are located on the injection ontology and are connected to respectively with the spray chamber；Spray
Mouth, the nozzle are located on the injection ontology, and the increasing enthalpy refrigerant inlet is located on the nozzle and connects with the spray chamber
It is logical.
In some embodiments of the invention, the center of the central axis Yu the jet exit of the increasing enthalpy refrigerant inlet
Axis is overlapped and perpendicular to the central axis of the injection refrigerant inlet.
In some embodiments of the invention, the spray chamber includes receiving section, diffuser and positioned at the receiving
Mixing section between section and the diffuser, the injection refrigerant inlet and the nozzle are connected to and the spray with the section that receives
Exit wound of bullet is connected to the diffuser.
Optionally, the cross-sectional area of the diffuser by its adjacent to one end of the mixing section to it far from the mixing section
One end be gradually increased.
Optionally, the nozzle, which has, protrudes into the throttle received in section, and the injection refrigerant inlet is described in
The periphery wall of throttle is arranged.
In some embodiments of the invention, the injector is mounted on the liquid storage device, the refrigerant exit and institute
It states air entry connection and the jet exit is connected to the refrigerant inlet.
In some embodiments of the invention, the injector is mounted on the compression mechanism or/and the liquid storage
On device, the injection refrigerant inlet is connected to the refrigerant exit and the jet exit is connected to the air entry.
According to some embodiments of the present invention, the compression mechanism includes multiple cylinders, the air entry respectively with it is multiple
The cylinder connection.
The heat-exchange system of embodiment according to a second aspect of the present invention, comprising: compressor, the compressor are according to the present invention
The rotary compressor of above-mentioned first aspect embodiment；The reversing arrangement that can be switched between refrigerating state and heating state, institute
Reversing arrangement is stated with first to fourth interface, the first interface is connected to the outlet, the liquid storage device and the spray
Emitter is connected between the 4th interface and the air entry；Outdoor heat exchanger, the outdoor heat exchanger connect with described second
Mouth connection；Indoor heat exchanger, the indoor heat exchanger respectively with the outdoor heat exchanger and the third orifice；Shwoot
Device, the flash evaporation are connected between the outdoor heat exchanger and the indoor heat exchanger and are connected to the injector, wherein
The reversing arrangement when being in the refrigerating state first interface be connected to the second interface and the third interface with
4th orifice, the first interface and the third interface are connected to when the reversing arrangement is in the heating state
And the second interface and the fourth interface are connected to.
Heat-exchange system according to an embodiment of the present invention can be improved heat exchange system using rotary compressor as described above
The overall performance of system.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the schematic diagram of the rotary compressor of the first alternative embodiment according to the present invention；
Fig. 2 is the schematic diagram of the rotary compressor of the second alternative embodiment according to the present invention；
Fig. 3 is the schematic diagram of the heat-exchange system of the first alternative embodiment according to the present invention；
Fig. 4 is the schematic diagram of the heat-exchange system of the second alternative embodiment according to the present invention.
Appended drawing reference:
Rotary compressor 100,
Liquid storage device 1, refrigerant inlet 11, refrigerant exit 12,
Shell 2, exhaust outlet 20,
Compression mechanism 3, air entry 30,
Injector 4, spray chamber 40 receive section 401, mixing section 402, and diffuser 403 sprays ontology 41, and injection refrigerant enters
Mouth 411, jet exit 412, nozzle 42, increasing enthalpy refrigerant inlet 420, throttle 421,
Heat-exchange system 200,
Reversing arrangement 5, first interface 51, second interface 52, third interface 53, the 4th interface 54,
Outdoor heat exchanger 6, indoor heat exchanger 7, flash evaporation 8, first throttle part 91, the second throttling element 92.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
The rotary of embodiment according to a first aspect of the present invention according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 4
Compressor 100, the low-temperature heating effect of the rotary compressor 100 is excellent, performance is good, and structure is simple, applied widely.Its
In, rotary compressor 100 can be used in heat-exchange system.
As Figure 1-Figure 4, rotary compressor 100 according to an embodiment of the present invention, including liquid storage device 1, shell 2, pressure
Contracting mechanism 3 and injector 4.
Optionally, rotary compressor 100 can be vertical compressor.Certainly, those skilled in the art can manage
Solution, rotary compressor 100 can also be horizontal compressor (not shown go out).It should be noted that " vertical compressor " can be with
The central axis upright of the compression mechanism 3 of rotary compressor 100 is interpreted as in the compression of the mounting surface of rotary compressor 100
Machine, for example, as Figure 1-Figure 4, the central axis of compression mechanism 3 extends along the vertical direction.Correspondingly, " horizontal compressor " can
To be interpreted as the centerline axis parallel of compression mechanism 3 in the compressor of the mounting surface of rotary compressor 100.
Optionally, rotary compressor 100 can be single cylinder compressor.Certainly, those skilled in the art can manage
Solution, rotary compressor 100 can also be multicylinder compressor (not shown go out).It should be noted that " single cylinder compressor " refers to
It is that the compression mechanism 3 of rotary compressor 100 is provided only with a cylinder, correspondingly, " multicylinder compressor " refers to compression mechanism 3
Equipped with two or more cylinders.It is vertical, single cylinder compression with rotary compressor 100 in the description below the application
It is illustrated for machine.
Specifically, liquid storage device 1 has refrigerant inlet 11 and refrigerant exit 12, shell 2 is located at outside liquid storage device 1, on shell 2
It is formed with exhaust outlet 20, compression mechanism 3 is located in shell 2, and compression mechanism 3 has air entry 30.
Injector 4 and liquid storage device 1 are connected in series with each other at the air entry 30 of compression mechanism 3.In other words, injector 4
It is connected to the air entry 30 of compression mechanism 3 with liquid storage device 1 and injector 4 and liquid storage device 1 is series relationship.Specifically, it sprays
Device 4 is located at the refrigerant inlet 11 of liquid storage device 1, and air entry 30 is directly connected to refrigerant exit 12 at this time；Or injector 4 is located at
Between the refrigerant exit 12 of liquid storage device 1 and the air entry 30 of compression mechanism 3, air entry 30 is gone out by injector 4 with refrigerant at this time
12 indirect communications of mouth.Injector 4 can be to the refrigerant that will enter liquid storage device 1 or from the refrigerant exit 12 of liquid storage device 1 as a result,
The refrigerant of outflow carries out injection increasing enthalpy, to improve the pressure for the refrigerant for entering compression mechanism 3, to reduce rotary compressor
100 compression ratio improves the gas transmission ability of rotary compressor 100.
Rotary compressor 100 according to an embodiment of the present invention, using 4 pairs of injector enter compression mechanism 3 refrigerant into
Row injection increasing enthalpy, enhances low-temperature heating effect, improves the performance of rotary compressor 100, applied widely.
In addition, injector 4 and liquid storage device 1 not only facilitate peace by incorporating in series at the air entry 30 of compression mechanism 3
Dress guarantees the injection enthalpy-increasing effect of injector 4 and the stability of position, and can simplify pipeline and interface, and structure is simpler
It is single reliable.
As Figure 1-Figure 4, according to some embodiments of the present invention, injector 4 may include injection ontology 41 and nozzle
42, injection ontology 41 is interior to have spray chamber 40, and sprays ontology 41 and enter equipped with the injection refrigerant being connected to respectively with spray chamber 40
Mouth 411 and jet exit 412, nozzle 42 is located on injection ontology 41, and nozzle 42 is equipped with the increasing enthalpy being connected to spray chamber 40
Refrigerant inlet 420.Injection refrigerant by injection refrigerant inlet 411 enter spray chamber 40, increasing enthalpy refrigerant by increasing enthalpy refrigerant inlet 420 into
Enter spray chamber 40, wherein the pressure of increasing enthalpy refrigerant is greater than the pressure of injection refrigerant.
When rotary compressor 100 works, the higher increasing enthalpy refrigerant of pressure is sprayed with higher speed from 42 spirt of nozzle
Chamber 40, and the flowing with the lower injection refrigerant of dynamic pressure, i.e. increasing enthalpy refrigerant and injection refrigerant are mixed in spray chamber 40.
In this mixed process, the speed of increasing enthalpy refrigerant and the speed of injection refrigerant gradually tend to be balanced, increasing enthalpy refrigerant and injection refrigerant
The pressure of mixed mixing refrigerant gradually rises.When the mixing refrigerant is flowed at jet exit 412, the pressure of refrigerant is mixed
The pressure of injection refrigerant when higher than entrance spray chamber 40, in this way, realizing injector 4 to the injection increasing enthalpy of injection refrigerant.Attached drawing
Middle arrow a is used to illustrate the flow direction of increasing enthalpy refrigerant, and arrow b is used to illustrate the flow direction of injection refrigerant, and arrow c is cold for illustrating mixing
The flow direction of matchmaker.
Specifically, as shown in figures 1 and 3, injection ontology 41 can be located at the refrigerant inlet 11 of liquid storage device 1, be inhaled at this time
Port 30 is connected to refrigerant exit 12 and jet exit 412 is connected to refrigerant inlet 11, and injection refrigerant is that will enter liquid storage device 1
Refrigerant, the refrigerant into liquid storage device 1 is that injection refrigerant and the mixed mixing refrigerant of increasing enthalpy refrigerant, the mixing refrigerant successively pass through
Refrigerant exit 12 and air entry 30 is crossed to be compressed into compression mechanism 3.
Alternatively, as shown in Figure 2 and Figure 4, injection ontology 41 can also be located at the refrigerant exit 12 and compression mechanism of liquid storage device 1
Between 3 air entry 30, injection refrigerant inlet 411 is connected to refrigerant exit 12 at this time and jet exit 412 and air entry 30 connect
Logical, injection refrigerant is the refrigerant flowed out by the refrigerant exit 12 of liquid storage device 1, in this way, mixing refrigerant is directly entered by air entry 30
Compression mechanism 3 is compressed.Hereby it is achieved that the injection increasing enthalpy of 4 pairs of the injector refrigerants into compression mechanism 3.
In Fig. 1-embodiment shown in Fig. 4, the central axis of increasing enthalpy refrigerant inlet 420 and the center of jet exit 412
Axis can be overlapped and perpendicular to the central axis of injection refrigerant inlet 411, in this way, being conducive to increasing enthalpy refrigerant drives injection refrigerant
Jet exit 412 is flowed directly into, to reduce energy loss, and is conducive to being sufficiently mixed for increasing enthalpy refrigerant and injection refrigerant.
As Figure 1-Figure 4, in some embodiments of the invention, spray chamber 40 may include receiving section 401, expanding
It dissipates section 403 and distinguishes positioned at the mixing section 402 received between section 401 and diffuser 403, injection refrigerant inlet 411 and nozzle 42
It is connected to section 401 is received, and jet exit 412 is connected to diffuser 403.Start to drive receiving 401 increasing enthalpy refrigerant of section as a result,
Injection refrigerant is flowed to mixing section 402；When increasing enthalpy refrigerant and injection refrigerant are sufficiently mixed when mixing section 402 flows with equal
Weigh speed, so that the speed of increasing enthalpy refrigerant and the speed of injection refrigerant reach unanimity, and increasing enthalpy refrigerant and the mixing of injection refrigerant
The pressure rise of mixing refrigerant afterwards；When mixing refrigerant in diffuser 403 towards when the flowing of jet exit 412, refrigerant is mixed
Speed reduce, pressure further increases；Finally, mixing refrigerant is flowed out by jet exit 412, the pressure of mixing refrigerant is so far realized
Power is higher than the pressure of injection refrigerant when entering injector 4.Arrow a is used to illustrate the flow direction of increasing enthalpy refrigerant in figure, and arrow b is used for
Illustrate the flow direction of injection refrigerant, arrow c is used for the flow direction for illustrating to mix refrigerant.
Optionally, as Figure 1-Figure 4, the cross-sectional area of diffuser 403 can by its adjacent to one end of mixing section 402 extremely
Its one end far from mixing section 402 is gradually increased, i.e., diffuser 403 can be formed as substantially taper, is so conducive to improve mixed
Close the pressure of refrigerant.
Optionally, as Figure 1-Figure 4, nozzle 42 can have the throttle 421 for protruding into and receiving in section 401, and injection is cold
The periphery wall of matchmaker's entrance 411 towards throttle 421 is arranged, and can be improved the speed of increasing enthalpy refrigerant in this way.For example, throttle 421
Periphery wall be formed towards increasing enthalpy refrigerant inlet 420 central axis recess arc surface.
As shown in figures 1 and 3, in some embodiments of the invention, injector 4 may be mounted on liquid storage device 1, air-breathing
Mouth 30 is connected to refrigerant exit 12 and jet exit 412 is connected to refrigerant inlet 11.For example, the diffuser 403 of injector 4 is installed
At refrigerant inlet 11.
As shown in Figure 2 and Figure 4, in some embodiments of the invention, injector 4 may be mounted at compression mechanism 3
On, injection refrigerant inlet 411 is connected to refrigerant exit 12 and jet exit 412 is connected to air entry 30.For example, injector 4
Diffuser 403 is mounted at the air entry 30 of compression mechanism 3.
In some embodiments of the invention, injector 4 may be mounted on liquid storage device 1, injection refrigerant inlet 411 with it is cold
Matchmaker outlet 12 is connected to and jet exit 412 is connected to air entry 30, for example, the receiving section 401 of injector 4 is mounted on liquid storage device 1
Refrigerant exit 12 at.Certainly, injector 4 can also be mounted in compression mechanism 3 and liquid storage device 1, injection refrigerant inlet 411 with
Refrigerant exit 12 is connected to and jet exit 412 is connected to air entry 30, for example, the receiving section 401 of injector 4 is mounted on liquid storage device
At 1 refrigerant exit 12 and diffuser 403 is mounted at the air entry 30 of compression mechanism 3.
According to some embodiments of the present invention, compression mechanism 3 may include multiple cylinders, air entry 30 respectively with multiple gas
Cylinder connection.It is appreciated that air entry 30 can be directly connected to multiple cylinders, such as air entry 30 is equipped on each cylinder；
Air entry 30 can also be with multiple cylinder indirect communications, for example, one in multiple cylinders is equipped with air entry 30 and multiple cylinders
It communicates with each other.It will be understood to those skilled in the art that the injection increasing enthalpy structure and principle for multicylinder compressor are same as above,
Here it is no longer described in detail.
It should be noted that rotary compressor 100 further includes motor, crankshaft and muffler, compression mechanism 3 further includes master
Bearing and supplementary bearing, these components be all to those skilled in the art it is known, be not detailed herein.
The rotary compressor of a specific embodiment according to the present invention is described in detail below with reference to Fig. 1 and in conjunction with Fig. 3
100, it is worth understanding, only exemplary illustration described below, and be not considered as limiting the invention.
As shown in figures 1 and 3, rotary compressor 100 according to an embodiment of the present invention, including liquid storage device 1, shell 2, pressure
Contracting mechanism 3 and injector 4.
Specifically, liquid storage device 1 has refrigerant inlet 11 and refrigerant exit 12, shell 2 is located at outside liquid storage device 1, on shell 2
It is formed with exhaust outlet 20, compression mechanism 3 is located in shell 2, and compression mechanism 3 has air entry 30, air entry 30 and refrigerant exit
12 connections.Injector 4 includes injection ontology 41 and nozzle 42, injection ontology 41 be mounted at the refrigerant inlet 11 of liquid storage device 1 and
Spray ontology 41 in have spray chamber 40, spray chamber 40 include receive section 401, diffuser 403 and positioned at receive section 401 and diffusion
Mixing section 402 between section 403, the cross-sectional area of diffuser 403 are from top to bottom gradually increased, and injection ontology 41 is equipped with and connects
The injection refrigerant inlet 411 being connected to by section 401 and the jet exit 412 being connected to diffuser 403, jet exit 412 and refrigerant
Entrance 11 is connected to, and nozzle 42, which is located on injection ontology 41 and has, protrudes into the throttle 421 received in section 401, in throttle 421
Equipped with the increasing enthalpy refrigerant inlet 420 that receives section 401 and be connected to, the periphery wall of injection refrigerant inlet 411 towards throttle 421 sets
It sets, the central axis of increasing enthalpy refrigerant inlet 420 is overlapped with the central axis of jet exit 412 and perpendicular to injection refrigerant inlet
411 central axis.
Rotary compressor 100 according to an embodiment of the present invention utilizes the spray being mounted at the refrigerant inlet 11 of liquid storage device 1
4 pairs of the emitter refrigerants for entering compression mechanism 3 carry out injection increasing enthalpy, so that low-temperature heating effect is excellent, performance is good.
The rotary compressor of a specific embodiment according to the present invention is described in detail below with reference to Fig. 2 and in conjunction with Fig. 4
100, it is worth understanding, only exemplary illustration described below, and be not considered as limiting the invention.
As shown in figures 1 and 3, rotary compressor 100 according to an embodiment of the present invention, including liquid storage device 1, shell 2, pressure
Contracting mechanism 3 and injector 4.
Wherein, the specific structure of liquid storage device 1, shell 2, compression mechanism 3 and injector 4 and liquid storage device 1, shell 2 and pressure
Assembly relation between contracting mechanism 3 is as described above, it should be noted that the injection ontology 41 of injector 4 is mounted on compression mechanism 3
On, and be located between the refrigerant exit 12 of liquid storage device 1 and the air entry 30 of compression mechanism 3, injection refrigerant inlet 411 goes out with refrigerant
Mouth 12 is connected to and jet exit 412 is connected to air entry 30.
Rotary compressor 100 according to an embodiment of the present invention utilizes the spray being mounted at the refrigerant inlet 11 of liquid storage device 1
4 pairs of the emitter refrigerants for entering compression mechanism 3 carry out injection increasing enthalpy, to enhance low-temperature heating effect, improve rotary pressure
The performance of contracting machine 100.
As Figure 3-Figure 4, the heat-exchange system 200 of embodiment, including compressor, commutation dress according to a second aspect of the present invention
Set 5, outdoor heat exchanger 6, indoor heat exchanger 7 and flash evaporation 8.
Specifically, compressor is the rotary compressor 100 according to the above embodiment of the present invention.Reversing arrangement 5 is being made
It can be switched between cold state and heating state, reversing arrangement 5 has first to fourth interface 54, wherein first interface 51 and discharge
Mouth connection, outdoor heat exchanger 6 are connected to second interface 52, and indoor heat exchanger 7 connects with outdoor heat exchanger 6 and third interface 53 respectively
Logical, flash evaporation 8 is connected between outdoor heat exchanger 6 and indoor heat exchanger 7 and is connected to injector 4 (for example, flash evaporation 8 and increasing
Enthalpy refrigerant inlet 420 is connected to), liquid storage device 1 and injector 4 are connected between the 4th interface 54 and air entry 30.At reversing arrangement 5
When refrigerating state, first interface 51 is connected to second interface 52 and third interface 53 is connected to the 4th interface 54；Reversing arrangement 5
When in heating state, first interface 51 is connected to third interface 53 and second interface 52 is connected to the 4th interface 54.
It should be noted that it will be understood by those skilled in the art that can be equipped between flash evaporation 8 and outdoor heat exchanger 6
First throttle part 91, between flash evaporation 8 and indoor heat exchanger 7 can be equipped with the second throttling element 92, so as to enter shwoot
The refrigerant of device 8 is depressured.
It should be appreciated that liquid storage device 1 and injector 4 are connected between the 4th interface 54 and air entry 30, including following two
Situation: the 4th interface 54 is directly connected to injector 4, for example, as shown in figure 3, the 4th interface 54 connects with injection refrigerant inlet 411
Logical, jet exit 412 is connected to the refrigerant inlet 11 of liquid storage device 1 at this time；Alternatively, the 4th interface 54 is directly connected to liquid storage device 1,
For example, as shown in figure 4, the 4th interface 54 is connected to the refrigerant inlet 11 of liquid storage device 1, at this time the refrigerant exit 12 of liquid storage device 1 with
Injection refrigerant inlet 411 is connected to.
Specifically, as shown in figure 3, when reversing arrangement 5 is in refrigerating state, the higher high pressure of temperature from outlet is cold
Matchmaker is passed through outdoor heat exchanger 6 and exchanges heat with outdoor environment, and the high pressure refrigerant after heat exchange passes through the decompression of first throttle part 91
Enter flash evaporation 8 afterwards, the middle pressure refrigerant (i.e. increasing enthalpy refrigerant) in flash evaporation 8 is passed through after the decompression again of the second throttling element 92
Indoor heat exchanger 7, and exchange heat with indoor environment, the refrigerant after heat exchange is low pressure refrigerant (i.e. injection refrigerant) and passes through injection refrigerant
Entrance 411 enters injector 4, and the middle pressure refrigerant for being simultaneously from flash evaporation 8 enters injector 4 by increasing enthalpy refrigerant inlet 420.By
Refrigerant and low pressure refrigerant is pressed to mix in injector 4 in this, mixed mixing refrigerant enters back into liquid storage device 1, and is gone out by refrigerant
Mouth 12 and air entry 30 are compressed into compression mechanism 3, and compressed high pressure refrigerant is passed through outdoor heat exchanger 6 again, so follows
Ring is reciprocal.Unidirectional arrow is used to illustrate the flow direction of refrigerant in figure, and particularly, arrow a is used to illustrate the flow direction of increasing enthalpy refrigerant, arrow
B is used to illustrate the flow direction of injection refrigerant, and arrow c is used for the flow direction for illustrating to mix refrigerant.
When reversing arrangement 5 is in heating state, the higher high pressure refrigerant of temperature from outlet is passed through indoor heat exchanger 7
And exchange heat with indoor environment, the high pressure refrigerant after heat exchange enters flash evaporation 8, shwoot after the decompression of the second throttling element 92
Middle pressure refrigerant (i.e. increasing enthalpy refrigerant) in device 8 is passed through outdoor heat exchanger 6, and and room after the decompression again of first throttle part 91
External environment heat exchange, the refrigerant after heat exchange are low pressure refrigerant (i.e. injection refrigerant) and enter injector by injection refrigerant inlet 411
4, the middle pressure refrigerant for being simultaneously from flash evaporation 8 enters injector 4 by increasing enthalpy refrigerant inlet 420.Thus pressure refrigerant and low pressure in
Refrigerant mixes in injector 4, and mixed mixing refrigerant enters back into liquid storage device 1, and by refrigerant exit 12 and air entry 30 into
Enter compression mechanism 3 to be compressed, compressed high pressure refrigerant is passed through indoor heat exchanger 7 again, loops back and forth like this.
Alternatively, as shown in figure 4, the low pressure refrigerant after exchanging heat with indoor environment is direct when reversing arrangement 5 is in refrigerating state
Enter liquid storage device 1 by refrigerant inlet 11, then flowed out by refrigerant exit 12 and injector 4 is entered by injection refrigerant inlet 411,
The middle pressure refrigerant for being simultaneously from flash evaporation 8 enters injector 4 by increasing enthalpy refrigerant inlet 420.Pressure refrigerant and low pressure cold in as a result,
Matchmaker mixes in injector 4, and mixed mixing refrigerant is compressed by air entry 30 into compression mechanism 3 again, compressed
High pressure refrigerant is passed through outdoor heat exchanger 6 again, loops back and forth like this.Unidirectional arrow is used to illustrate the flow direction of refrigerant in figure, particularly,
Arrow a is used to illustrate the flow direction of increasing enthalpy refrigerant, and arrow b is used to illustrate the flow direction of injection refrigerant, and arrow c is for illustrating mixing refrigerant
Flow direction.
When reversing arrangement 5 is in heating state, directly pass through refrigerant inlet 11 with the low pressure refrigerant after outdoor environment heat exchange
It into liquid storage device 1, then is flowed out by refrigerant exit 12 and injector 4 is entered by injection refrigerant inlet 411, be simultaneously from flash evaporation
8 middle pressure refrigerant enters injector 4 by increasing enthalpy refrigerant inlet 420.Pressure refrigerant and low pressure refrigerant are in injector 4 in as a result,
Mixing, mixed mixing refrigerant are compressed by air entry 30 into compression mechanism 3 again, and compressed high pressure refrigerant is passed through again
Indoor heat exchanger 7, loops back and forth like this.
Heat-exchange system 200 according to an embodiment of the present invention can be improved using rotary compressor 100 as described above
The overall performance of heat-exchange system 200, and it is easy for installation, whole succinct.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, art
Language " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate institute
The quantity of the technical characteristic of instruction." first " is defined as a result, the feature of " second " can explicitly or implicitly include one
Or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " specific embodiment ", " show
The description of example ", specific examples or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (5)
1. a kind of rotary compressor characterized by comprising
Liquid storage device；
Shell, the shell are located at outside the liquid storage device, are formed with exhaust outlet on the shell；
Compression mechanism, the compression mechanism are located in the shell, and the compression mechanism has air entry；And
Injector, the injector and the liquid storage device are connected in series with each other at the air entry of the compression mechanism, described
Liquid storage device has refrigerant inlet and refrigerant exit, and the injector has injection refrigerant inlet, jet exit and connects with flash evaporation
Logical increasing enthalpy refrigerant inlet, wherein
The injector is located between the refrigerant exit of the liquid storage device and the air entry of the compression mechanism, the injection refrigerant
Entrance is connected to the refrigerant exit and the jet exit is connected to the air entry, and the injector is mounted on the compression
In mechanism or/and the liquid storage device,
The injector includes:
Ontology is sprayed, there is spray chamber in the injection ontology, the injection refrigerant inlet and the jet exit are located at described
It is connected on injection ontology and with the spray chamber respectively；
Nozzle, the nozzle are located on the injection ontology, the increasing enthalpy refrigerant inlet be located on the nozzle and with the spray
Chamber connection is penetrated,
The spray chamber includes receiving section, diffuser and positioned at the mixing section received between section and the diffuser, described
Injection refrigerant inlet and the nozzle receive that section is connected to and the jet exit is connected to the diffuser with described,
The nozzle, which has, protrudes into the throttle received in section, and the injection refrigerant inlet is towards the periphery of the throttle
Wall setting, the periphery wall of the throttle are formed towards the arc surface of the central axis recess of the increasing enthalpy refrigerant inlet, institute
State injection refrigerant inlet described in face at the section minimum of throttle.
2. rotary compressor according to claim 1, which is characterized in that the central axis of the increasing enthalpy refrigerant inlet with
The central axis of the jet exit is overlapped and perpendicular to the central axis of the injection refrigerant inlet.
3. rotary compressor according to claim 1, which is characterized in that the cross-sectional area of the diffuser is neighbouring by its
One end of the mixing section to its one end far from the mixing section is gradually increased.
4. rotary compressor according to claim 1, which is characterized in that the compression mechanism includes multiple cylinders, institute
Air entry is stated to be connected to multiple cylinders respectively.
5. a kind of heat-exchange system characterized by comprising
Compressor, the compressor are according to rotary compressor of any of claims 1-4；
The reversing arrangement that can be switched between refrigerating state and heating state, the reversing arrangement have first to fourth interface,
The first interface is connected to the exhaust outlet, and the liquid storage device and the injector are connected on the 4th interface and the suction
Between port；
Outdoor heat exchanger, the outdoor heat exchanger are connected to the second interface；
Indoor heat exchanger, the indoor heat exchanger respectively with the outdoor heat exchanger and the third orifice；
Flash evaporation, the flash evaporation be connected between the outdoor heat exchanger and the indoor heat exchanger and with the injector
The increasing enthalpy refrigerant inlet connection, wherein
The refrigerant inlet and the 4th orifice；
The first interface is connected to the reversing arrangement with the second interface when being in the refrigerating state and the third connects
Mouth and the 4th orifice, the first interface and the third interface when reversing arrangement is in the heating state
Connection and the second interface and the fourth interface connection.
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| CN201610034724.7A CN105508256B (en) | 2016-01-19 | 2016-01-19 | Rotary compressor and heat-exchange system with it |
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| CN201610034724.7A CN105508256B (en) | 2016-01-19 | 2016-01-19 | Rotary compressor and heat-exchange system with it |
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| CN105508256A CN105508256A (en) | 2016-04-20 |
| CN105508256B true CN105508256B (en) | 2019-07-05 |
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| CN201610034724.7A Active CN105508256B (en) | 2016-01-19 | 2016-01-19 | Rotary compressor and heat-exchange system with it |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106567832A (en) * | 2016-10-31 | 2017-04-19 | 广东美芝制冷设备有限公司 | Compressor and refrigeration device |
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| CN1443999A (en) * | 2002-03-08 | 2003-09-24 | 株式会社电装 | Steam compressed refrigerator and its heat exchanger |
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| JP2004198002A (en) * | 2002-12-17 | 2004-07-15 | Denso Corp | Vapor compression type refrigerator |
| CN103090579B (en) * | 2011-10-31 | 2015-10-28 | 中国科学院理化技术研究所 | Air conditioner heat pump system of electric automobile |
| CN104089424B (en) * | 2014-07-04 | 2017-01-11 | 珠海格力电器股份有限公司 | Injection refrigeration cycle device |
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| US1836318A (en) * | 1926-07-26 | 1931-12-15 | Norman H Gay | Refrigerating system |
| CN1443999A (en) * | 2002-03-08 | 2003-09-24 | 株式会社电装 | Steam compressed refrigerator and its heat exchanger |
| CN1460823A (en) * | 2002-05-13 | 2003-12-10 | 株式会社电装 | Injector |
| CN1573258A (en) * | 2003-06-18 | 2005-02-02 | 株式会社电装 | Ejector cycle |
| CN101017036A (en) * | 2007-03-08 | 2007-08-15 | 上海交通大学 | Refrigerating system using swirling flow ejector |
| CN101624985A (en) * | 2009-07-24 | 2010-01-13 | 广东美芝制冷设备有限公司 | Gas coolant injection rotary compressor |
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| CN105508256A (en) | 2016-04-20 |
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