CN105508256A - Rotary compressor and heat exchange system with same - Google Patents
Rotary compressor and heat exchange system with same Download PDFInfo
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- CN105508256A CN105508256A CN201610034724.7A CN201610034724A CN105508256A CN 105508256 A CN105508256 A CN 105508256A CN 201610034724 A CN201610034724 A CN 201610034724A CN 105508256 A CN105508256 A CN 105508256A
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- refrigerant
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- sparger
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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 rotary compressor and a heat exchange system with the same. The rotary compressor comprises a liquid storage device, a shell, a compressing mechanism and an ejector, wherein the shell is arranged outside the liquid storage device; an exhaust port is formed in the shell; the compressing mechanism is arranged in the shell and is provided with an air suction port; the ejector and the liquid storage device are connected at the air suction port of the compressing mechanism in series. The rotary compressor has excellent low temperature heating effects, good properties, a simple structure and a wide range of application.
Description
Technical field
The present invention relates to technical field of heat exchange, especially relate to a kind of rotary compressor and the heat-exchange system with described rotary compressor.
Background technique
Rotary compressor in correlation technique, when low-temperature environment, due to the reduction of evaporator refrigerant temperature, causes the ability of cooling cycle system to reduce, the poor performance of rotary compressor.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention needs to provide a kind of rotary compressor, and low-temperature heating excellent effect, the performance of described rotary compressor are good, and structure is simple, applied widely.
The present invention also needs to provide a kind of heat-exchange system with described rotary compressor.
The rotary compressor of embodiment according to a first aspect of the present invention, comprising: liquid-storage container; Housing, described housing is located at outside described liquid-storage container, and described housing is formed with relief opening; Compressing mechanism, described compressing mechanism is located in described housing, and described compressing mechanism has intakeport; And sparger, described sparger and described liquid-storage container are connected to the intakeport place of described compressing mechanism with being one another in series.
According to the rotary compressor of the embodiment of the present invention, utilize sparger to carry out injection to the refrigerant entering compressing mechanism and increase enthalpy, enhance low-temperature heating effect, improve the performance of rotary compressor, and structure is simple, applied widely.
According to some embodiments of the present invention, described liquid-storage container has refrigerant inlet and refrigerant exit, described sparger has injection refrigerant inlet, jet exit and increasing enthalpy refrigerant inlet, wherein, described sparger is located at the refrigerant inlet place of described liquid-storage container, and described refrigerant exit is communicated with described intakeport and described jet exit is communicated with described refrigerant inlet; Or described sparger is located between the refrigerant exit of described liquid-storage container and the intakeport of described compressing mechanism, described injection refrigerant inlet is communicated with described refrigerant exit and described jet exit is communicated with described intakeport.
In some embodiments of the invention, described sparger comprises: spray body, have spray chamber in described injection body, and described injection refrigerant inlet and described jet exit to be located on described injection body and to be communicated with described spray chamber respectively; Nozzle, described nozzle is located on described injection body, and described increasing enthalpy refrigerant inlet to be located on described nozzle and to be communicated with described spray chamber.
In some embodiments of the invention, the described central axis of increasing enthalpy refrigerant inlet and the central axes of described jet exit and perpendicular to the central axis of described injection refrigerant inlet.
In specific embodiments more of the present invention, described spray chamber comprises the section of acceptance, diffuser and the mixing section between described acceptance section and described diffuser, and described injection refrigerant inlet and described nozzle are communicated with described acceptance section and described jet exit is communicated with described diffuser.
Alternatively, the cross-section area of described diffuser is increased to its one end away from described mixing section gradually by one end of its contiguous described mixing section.
Alternatively, described nozzle has the restriction stretched in described acceptance section, and described injection refrigerant inlet is arranged towards the periphery wall of described restriction.
In some embodiments of the invention, described sparger is arranged on described liquid-storage container, and described refrigerant exit is communicated with described intakeport and described jet exit is communicated with described refrigerant inlet.
In specific embodiments more of the present invention, described sparger is arranged on described compressing mechanism or/and on described liquid-storage container, and described injection refrigerant inlet is communicated with described refrigerant exit and described jet exit is communicated with described intakeport.
According to some embodiments of the present invention, described compressing mechanism comprises multiple cylinder, and described intakeport is communicated with multiple described cylinder respectively.
The heat-exchange system of embodiment according to a second aspect of the present invention, comprising: compressor, and described compressor is the rotary compressor according to the above-mentioned first aspect embodiment of the present invention; At refrigerating state with heat switchable reversing arrangement between state, described reversing arrangement has first to fourth interface, and described first interface is communicated with described exhaust port, and described liquid-storage container and described sparger are connected between described 4th interface and described intakeport; Outdoor heat exchanger, described outdoor heat exchanger and described second orifice; Indoor heat exchanger, described indoor heat exchanger respectively with described outdoor heat exchanger and described 3rd orifice; Flash evaporation, described flash evaporation to be connected between described outdoor heat exchanger and described indoor heat exchanger and to be communicated with described sparger, wherein, described first interface and described second orifice when described reversing arrangement is in described refrigerating state and described 3rd interface and described 4th orifice, described first interface and described 3rd orifice when heating state described in described reversing arrangement is in and described second interface and described 4th orifice.
According to the heat-exchange system of the embodiment of the present invention, utilize rotary compressor as above, the overall performance of heat-exchange system can be improved.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the rotary compressor according to the present invention first embodiment;
Fig. 2 is the schematic diagram of the rotary compressor according to the present invention second embodiment;
Fig. 3 is the schematic diagram of the heat-exchange system according to the present invention first embodiment;
Fig. 4 is the schematic diagram of the heat-exchange system according to the present invention second embodiment.
Reference character:
Rotary compressor 100,
Liquid-storage container 1, refrigerant inlet 11, refrigerant exit 12,
Housing 2, relief opening 20,
Compressing mechanism 3, intakeport 30,
Sparger 4, spray chamber 40, the section of acceptance 401, mixing section 402, diffuser 403, sprays body 41, injection refrigerant inlet 411, jet exit 412, nozzle 42, increases enthalpy refrigerant inlet 420, restriction 421,
Heat-exchange system 200,
Reversing arrangement 5, first interface 51, the second interface the 52, three interface the 53, four interface 54,
Outdoor heat exchanger 6, indoor heat exchanger 7, flash evaporation 8, first throttle part 91, second throttling element 92.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Describe the rotary compressor 100 according to the embodiment according to a first aspect of the present invention of the embodiment of the present invention below with reference to Fig. 1-Fig. 4, low-temperature heating excellent effect, the performance of this rotary compressor 100 are good, and structure is simple, applied widely.Wherein, rotary compressor 100 may be used in heat-exchange system.
As Figure 1-Figure 4, according to the rotary compressor 100 of the embodiment of the present invention, comprise liquid-storage container 1, housing 2, compressing mechanism 3 and sparger 4.
Alternatively, rotary compressor 100 can be vertical compressor.Certainly, those skilled in the art are appreciated that rotary compressor 100 can also be horizontal compressor (scheming not shown).It should be noted that, " vertical compressor " can be understood as the central axis upright of the compressing mechanism 3 of rotary compressor 100 in the compressor of the attachment face of rotary compressor 100, such as, as Figure 1-Figure 4, the central axis of compressing mechanism 3 vertically extends.Correspondingly, " horizontal compressor " can be understood as the centerline axis parallel of compressing mechanism 3 in the compressor of the attachment face of rotary compressor 100.
Alternatively, rotary compressor 100 can be single cylinder compressor.Certainly, those skilled in the art are appreciated that rotary compressor 100 can also be multicylinder compressor (scheming not shown).It should be noted that, the compressing mechanism 3 that " single cylinder compressor " refers to rotary compressor 100 is only provided with a cylinder, and correspondingly, " multicylinder compressor " refers to compressing mechanism 3 and be provided with two or more cylinders.In description below the application, for rotary compressor 100 for vertical, single cylinder compressor are described.
Specifically, liquid-storage container 1 has refrigerant inlet 11 and refrigerant exit 12, and housing 2 is located at outside liquid-storage container 1, housing 2 is formed with relief opening 20, and compressing mechanism 3 is located in housing 2, and compressing mechanism 3 has intakeport 30.
Sparger 4 and liquid-storage container 1 are connected to intakeport 30 place of compressing mechanism 3 with being one another in series.In other words, sparger 4 and liquid-storage container 1 are all communicated with the intakeport 30 of compressing mechanism 3 and sparger 4 and liquid-storage container 1 are series relationship.Particularly, sparger 4 is located at refrigerant inlet 11 place of liquid-storage container 1, and now intakeport 30 is directly communicated with refrigerant exit 12; Or sparger 4 is located between the refrigerant exit 12 of liquid-storage container 1 and the intakeport 30 of compressing mechanism 3, now intakeport 30 is by sparger 4 and refrigerant exit 12 indirect communication.Thus, sparger 4 can to being about to enter the refrigerant of liquid-storage container 1 or carrying out injection from the refrigerant that the refrigerant exit 12 of liquid-storage container 1 flows out and increase enthalpy, to improve the pressure entering the refrigerant of compressing mechanism 3, thus reduce the compression ratio of rotary compressor 100, improve the gas transmission ability of rotary compressor 100.
According to the rotary compressor 100 of the embodiment of the present invention, utilize sparger 4 to carry out injection to the refrigerant entering compressing mechanism 3 and increase enthalpy, enhance low-temperature heating effect, improve the performance of rotary compressor 100, applied widely.
In addition, sparger 4 and liquid-storage container 1 are by incorporating in series intakeport 30 place at compressing mechanism 3, and not only convenient installation, ensure that the injection of sparger 4 increases the stability of enthalpy effect and position, and can simplify pipeline and interface, structure is more simple and reliable.
As Figure 1-Figure 4, according to some embodiments of the present invention, sparger 4 can comprise injection body 41 and nozzle 42, spray in body 41 and there is spray chamber 40, and injection body 41 is provided with the injection refrigerant inlet 411 and jet exit 412 that are communicated with spray chamber 40 respectively, nozzle 42 is located at and sprays on body 41, and nozzle 42 is provided with the increasing enthalpy refrigerant inlet 420 be communicated with spray chamber 40.Injection refrigerant enters spray chamber 40 by injection refrigerant inlet 411, increases enthalpy refrigerant and enters spray chamber 40 by increasing enthalpy refrigerant inlet 420, and wherein, the pressure increasing enthalpy refrigerant is greater than the pressure of injection refrigerant.
When rotary compressor 100 works, the higher increasing enthalpy refrigerant of pressure is with higher speed from nozzle 42 spirt spray chamber 40, and the flowing with the lower injection refrigerant of kinetic pressure, namely increases enthalpy refrigerant and injection refrigerant mixes in spray chamber 40.In this mixed process, the speed of the speed and injection refrigerant that increase enthalpy refrigerant is tending towards balanced gradually, and the pressure increasing enthalpy refrigerant and the mixed mixing refrigerant of injection refrigerant raises gradually.When this mixing refrigerant flows to jet exit 412 place, the pressure of mixing refrigerant is higher than the pressure of injection refrigerant when entering spray chamber 40, and so, the injection realizing sparger 4 pairs of injection refrigerants increases enthalpy.In accompanying drawing, arrow a is for illustrating to increase the flow direction of enthalpy refrigerant, and arrow b is for illustrating the flow direction of injection refrigerant, and arrow c is for illustrating to mix the flow direction of refrigerant.
Particularly, as shown in figures 1 and 3, spray refrigerant inlet 11 place that body 41 can be located at liquid-storage container 1, now intakeport 30 is communicated with refrigerant exit 12 and jet exit 412 is communicated with refrigerant inlet 11, injection refrigerant is the refrigerant being about to enter liquid-storage container 1, the refrigerant entering liquid-storage container 1 is injection refrigerant and increases the mixed mixing refrigerant of enthalpy refrigerant, and this mixing refrigerant enters compressing mechanism 3 through refrigerant exit 12 and intakeport 30 successively and compresses.
Or, as shown in Figure 2 and Figure 4, spraying body 41 can also be located between the refrigerant exit 12 of liquid-storage container 1 and the intakeport 30 of compressing mechanism 3, now injection refrigerant inlet 411 is communicated with refrigerant exit 12 and jet exit 412 is communicated with intakeport 30, injection refrigerant is the refrigerant flowed out by the refrigerant exit 12 of liquid-storage container 1, like this, mix refrigerant directly to enter compressing mechanism 3 by intakeport 30 and compress.Thus, realize the injection of sparger 4 to the refrigerant entering compressing mechanism 3 and increase enthalpy.
In the embodiment shown in Fig. 1-Fig. 4, the central axis increasing enthalpy refrigerant inlet 420 can overlap with the central axis of jet exit 412 and perpendicular to the central axis of injection refrigerant inlet 411, so, being conducive to increasing enthalpy refrigerant drives injection refrigerant directly to flow to jet exit 412, to reduce energy loss, and be conducive to increasing fully mixing of enthalpy refrigerant and injection refrigerant.
As Figure 1-Figure 4, in specific embodiments more of the present invention, spray chamber 40 can comprise the section of acceptance 401, diffuser 403 and the mixing section between the section of acceptance 401 and diffuser 403 402, injection refrigerant inlet 411 is communicated with the section of acceptance 401 respectively with nozzle 42, and jet exit 412 is communicated with diffuser 403.Thus, increase enthalpy refrigerant in the section of acceptance 401 to start to drive injection refrigerant to flow to mixing section 402; When increasing enthalpy refrigerant and injection refrigerant carry out fully mixing with balancing speed when mixing section 402 flows, thus the speed of the speed and injection refrigerant that increase enthalpy refrigerant reaches unanimity, and the pressure increasing enthalpy refrigerant and the mixed mixing refrigerant of injection refrigerant raises; When mixing refrigerant and flowing towards jet exit 412 in diffuser 403, the speed of mixing refrigerant reduces, pressure raises further; Finally, mixing refrigerant is flowed out by jet exit 412, so far realizes the pressure of pressure higher than injection refrigerant when entering sparger 4 of mixing refrigerant.In figure, arrow a is for illustrating to increase the flow direction of enthalpy refrigerant, and arrow b is for illustrating the flow direction of injection refrigerant, and arrow c is for illustrating to mix the flow direction of refrigerant.
Alternatively, as Figure 1-Figure 4, the cross-section area of diffuser 403 can be increased to its one end away from mixing section 402 gradually by one end of its contiguous mixing section 402, and namely diffuser 403 can be formed as taper substantially, is so conducive to the pressure improving mixing refrigerant.
Alternatively, as Figure 1-Figure 4, nozzle 42 can have the restriction 421 stretched in the section of acceptance 401, and injection refrigerant inlet 411 is arranged towards the periphery wall of restriction 421, can improve the speed increasing enthalpy refrigerant like this.Such as, the periphery wall of restriction 421 is formed as towards the arc surface of the central axis depression increasing enthalpy refrigerant inlet 420.
As shown in figures 1 and 3, in some embodiments of the invention, sparger 4 can be arranged on liquid-storage container 1, and intakeport 30 is communicated with refrigerant exit 12 and jet exit 412 is communicated with refrigerant inlet 11.Such as, the diffuser 403 of sparger 4 is arranged on refrigerant inlet 11 place.
As shown in Figure 2 and Figure 4, in specific embodiments more of the present invention, sparger 4 can be arranged on compressing mechanism 3, and injection refrigerant inlet 411 is communicated with refrigerant exit 12 and jet exit 412 is communicated with intakeport 30.Such as, the diffuser 403 of sparger 4 is arranged on intakeport 30 place of compressing mechanism 3.
In some embodiments of the invention, sparger 4 can be arranged on liquid-storage container 1, injection refrigerant inlet 411 is communicated with refrigerant exit 12 and jet exit 412 is communicated with intakeport 30, and such as, the acceptance section 401 of sparger 4 is arranged on refrigerant exit 12 place of liquid-storage container 1.Certainly, sparger 4 can also be arranged on compressing mechanism 3 and liquid-storage container 1, injection refrigerant inlet 411 is communicated with refrigerant exit 12 and jet exit 412 is communicated with intakeport 30, such as, the acceptance section 401 of sparger 4 is arranged on refrigerant exit 12 place of liquid-storage container 1 and diffuser 403 is arranged on intakeport 30 place of compressing mechanism 3.
According to some embodiments of the present invention, compressing mechanism 3 can comprise multiple cylinder, and intakeport 30 is communicated with multiple cylinder respectively.Be appreciated that intakeport 30 directly can be communicated with multiple cylinder, each cylinder such as, be equipped with intakeport 30; Intakeport 30 also can with multiple cylinder indirect communication, such as, one in multiple cylinder is provided with intakeport 30 and multiple cylinder communicates with each other.Those skilled in the art will appreciate that for multicylinder compressor injection increase enthalpy structure and principle same as above, no longer describe in detail here.
It should be noted that, rotary compressor 100 also comprises motor, bent axle and baffler, and compressing mechanism 3 also comprises main bearing and supplementary bearing, and these component are all known to those skilled in the art, are not described in detail here.
Below with reference to Fig. 1 and composition graphs 3 describes rotary compressor 100 according to a specific embodiment of the present invention in detail, be worth understanding, following description is exemplary illustration, and can not be interpreted as limitation of the present invention.
As shown in figures 1 and 3, according to the rotary compressor 100 of the embodiment of the present invention, comprise liquid-storage container 1, housing 2, compressing mechanism 3 and sparger 4.
Specifically, liquid-storage container 1 has refrigerant inlet 11 and refrigerant exit 12, and housing 2 is located at outside liquid-storage container 1, housing 2 is formed with relief opening 20, and compressing mechanism 3 is located in housing 2, and compressing mechanism 3 has intakeport 30, and intakeport 30 is communicated with refrigerant exit 12.Sparger 4 comprises injection body 41 and nozzle 42, spray body 41 be arranged on refrigerant inlet 11 place of liquid-storage container 1 and in injection body 41, there is spray chamber 40, spray chamber 40 comprises the section of acceptance 401, diffuser 403 and the mixing section between the section of acceptance 401 and diffuser 403 402, the cross-section area of diffuser 403 from top to bottom increases gradually, spray the injection refrigerant inlet 411 that body 41 section of being provided with and accepting 401 is communicated with and the jet exit 412 be communicated with diffuser 403, jet exit 412 is communicated with refrigerant inlet 11, nozzle 42 is located at and sprays on body 41 and have the restriction 421 stretched in the section of acceptance 401, the increasing enthalpy refrigerant inlet 420 that restriction 421 section of being provided with and accepting 401 is communicated with, injection refrigerant inlet 411 is arranged towards the periphery wall of restriction 421, increase the central axis of enthalpy refrigerant inlet 420 and the central axes of jet exit 412 and perpendicular to the central axis of injection refrigerant inlet 411.
According to the rotary compressor 100 of the embodiment of the present invention, utilize the sparger 4 being arranged on refrigerant inlet 11 place of liquid-storage container 1 to carry out injection to the refrigerant entering compressing mechanism 3 and increase enthalpy, thus low-temperature heating excellent effect, performance are good.
Below with reference to Fig. 2 and composition graphs 4 describes rotary compressor 100 according to a specific embodiment of the present invention in detail, be worth understanding, following description is exemplary illustration, and can not be interpreted as limitation of the present invention.
As shown in figures 1 and 3, according to the rotary compressor 100 of the embodiment of the present invention, comprise liquid-storage container 1, housing 2, compressing mechanism 3 and sparger 4.
Wherein, the concrete structure of liquid-storage container 1, housing 2, compressing mechanism 3 and sparger 4 and liquid-storage container 1, assembly relation between housing 2 and compressing mechanism 3 are described above, it should be noted that, the injection body 41 of sparger 4 is arranged on compressing mechanism 3, and between the refrigerant exit 12 and the intakeport 30 of compressing mechanism 3 of liquid-storage container 1, injection refrigerant inlet 411 is communicated with refrigerant exit 12 and jet exit 412 is communicated with intakeport 30.
According to the rotary compressor 100 of the embodiment of the present invention, utilize the sparger 4 being arranged on refrigerant inlet 11 place of liquid-storage container 1 to carry out injection to the refrigerant entering compressing mechanism 3 and increase enthalpy, thus enhance low-temperature heating effect, improve the performance of rotary compressor 100.
As Figure 3-Figure 4, the heat-exchange system 200 of embodiment according to a second aspect of the present invention, comprises compressor, reversing arrangement 5, outdoor heat exchanger 6, indoor heat exchanger 7 and flash evaporation 8.
Specifically, compressor is rotary compressor 100 according to the above embodiment of the present invention.Reversing arrangement 5 is at refrigerating state and heat between state changeable, reversing arrangement 5 has first to fourth interface 54, wherein first interface 51 is communicated with exhaust port, outdoor heat exchanger 6 is communicated with the second interface 52, indoor heat exchanger 7 is communicated with the 3rd interface 53 with outdoor heat exchanger 6 respectively, flash evaporation 8 to be connected between outdoor heat exchanger 6 and indoor heat exchanger 7 and to be communicated with (such as with sparger 4, flash evaporation 8 is communicated with increasing enthalpy refrigerant inlet 420), liquid-storage container 1 and sparger 4 are connected between the 4th interface 54 and intakeport 30.When reversing arrangement 5 is in refrigerating state, first interface 51 is communicated with the second interface 52 and the 3rd interface 53 is communicated with the 4th interface 54; When reversing arrangement 5 is in and heats state, first interface 51 is communicated with the 3rd interface 53 and the second interface 52 is communicated with the 4th interface 54.
It should be noted that, it will be appreciated by those skilled in the art that, first throttle part 91 can be provided with between flash evaporation 8 and outdoor heat exchanger 6, the second throttling element 92 between flash evaporation 8 and indoor heat exchanger 7, can be provided with, thus step-down can be carried out to the refrigerant entering flash evaporation 8.
Be to be understood that, liquid-storage container 1 and sparger 4 are connected between the 4th interface 54 and intakeport 30, comprise following two kinds of situations: the 4th interface 54 is directly communicated with sparger 4, such as, as shown in Figure 3,4th interface 54 is communicated with injection refrigerant inlet 411, and now jet exit 412 is communicated with the refrigerant inlet 11 of liquid-storage container 1; Or the 4th interface 54 is directly communicated with liquid-storage container 1, such as, as shown in Figure 4, the 4th interface 54 is communicated with the refrigerant inlet 11 of liquid-storage container 1, and now the refrigerant exit 12 of liquid-storage container 1 is communicated with injection refrigerant inlet 411.
Particularly, as shown in Figure 3, when reversing arrangement 5 is in refrigerating state, pass into outdoor heat exchanger 6 from the high pressure refrigerant that the temperature of exhaust port is higher and carry out heat exchange with outdoor environment, high pressure refrigerant after heat exchange enters flash evaporation 8 after the step-down of first throttle part 91, middle pressure refrigerant (namely increasing enthalpy refrigerant) in flash evaporation 8 passes into indoor heat exchanger 7 after the step-down again of the second throttling element 92, and with indoor environment heat exchange, refrigerant after heat exchange is low pressure refrigerant (i.e. injection refrigerant) and enters sparger 4 by injection refrigerant inlet 411, enter sparger 4 from pressing refrigerant to pass through increasing enthalpy refrigerant inlet 420 in flash evaporation 8 simultaneously.Thus, pressure refrigerant and low pressure refrigerant mix in sparger 4, mixed mixing refrigerant enters liquid-storage container 1 again, and enter compressing mechanism 3 by refrigerant exit 12 and intakeport 30 and compress, the high pressure refrigerant after compression passes into outdoor heat exchanger 6 again, so moves in circles.In figure, unidirectional arrow is for illustrating the flow direction of refrigerant, and especially, arrow a is for illustrating to increase the flow direction of enthalpy refrigerant, and arrow b is for illustrating the flow direction of injection refrigerant, and arrow c is for illustrating to mix the flow direction of refrigerant.
When reversing arrangement 5 is in and heats state, pass into indoor heat exchanger 7 from the high pressure refrigerant that the temperature of exhaust port is higher and carry out heat exchange with indoor environment, high pressure refrigerant after heat exchange enters flash evaporation 8 after the step-down of the second throttling element 92, middle pressure refrigerant (namely increasing enthalpy refrigerant) in flash evaporation 8 passes into outdoor heat exchanger 6 after the step-down again of first throttle part 91, and with outdoor environment heat exchange, refrigerant after heat exchange is low pressure refrigerant (i.e. injection refrigerant) and enters sparger 4 by injection refrigerant inlet 411, enter sparger 4 from pressing refrigerant to pass through increasing enthalpy refrigerant inlet 420 in flash evaporation 8 simultaneously.Thus, pressure refrigerant and low pressure refrigerant mix in sparger 4, mixed mixing refrigerant enters liquid-storage container 1 again, and enter compressing mechanism 3 by refrigerant exit 12 and intakeport 30 and compress, the high pressure refrigerant after compression passes into indoor heat exchanger 7 again, so moves in circles.
Or, as shown in Figure 4, when reversing arrangement 5 is in refrigerating state, directly liquid-storage container 1 is entered by refrigerant inlet 11 with the low pressure refrigerant after indoor environment heat exchange, being flowed out by refrigerant exit 12 again and enter sparger 4 by injection refrigerant inlet 411, entering sparger 4 from pressing refrigerant to pass through increasing enthalpy refrigerant inlet 420 in flash evaporation 8 simultaneously.Thus, middle pressure refrigerant and low pressure refrigerant mix in sparger 4, and mixed mixing refrigerant enters compressing mechanism 3 by intakeport 30 again and compresses, and the high pressure refrigerant after compression passes into outdoor heat exchanger 6 again, so moves in circles.In figure, unidirectional arrow is for illustrating the flow direction of refrigerant, and especially, arrow a is for illustrating to increase the flow direction of enthalpy refrigerant, and arrow b is for illustrating the flow direction of injection refrigerant, and arrow c is for illustrating to mix the flow direction of refrigerant.
When reversing arrangement 5 is in and heats state, directly liquid-storage container 1 is entered by refrigerant inlet 11 with the low pressure refrigerant after outdoor environment heat exchange, being flowed out by refrigerant exit 12 again and enter sparger 4 by injection refrigerant inlet 411, entering sparger 4 from pressing refrigerant to pass through increasing enthalpy refrigerant inlet 420 in flash evaporation 8 simultaneously.Thus, middle pressure refrigerant and low pressure refrigerant mix in sparger 4, and mixed mixing refrigerant enters compressing mechanism 3 by intakeport 30 again and compresses, and the high pressure refrigerant after compression passes into indoor heat exchanger 7 again, so moves in circles.
According to the heat-exchange system 200 of the embodiment of the present invention, utilize rotary compressor 100 as above, the overall performance of heat-exchange system 200 can be improved, and easy for installation, overall succinct.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " specific embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (11)
1. a rotary compressor, is characterized in that, comprising:
Liquid-storage container;
Housing, described housing is located at outside described liquid-storage container, and described housing is formed with relief opening;
Compressing mechanism, described compressing mechanism is located in described housing, and described compressing mechanism has intakeport; And
Sparger, described sparger and described liquid-storage container are connected to the intakeport place of described compressing mechanism with being one another in series.
2. rotary compressor according to claim 1, is characterized in that, described liquid-storage container has refrigerant inlet and refrigerant exit, and described sparger has injection refrigerant inlet, jet exit and increasing enthalpy refrigerant inlet, wherein,
Described sparger is located at the refrigerant inlet place of described liquid-storage container, and described refrigerant exit is communicated with described intakeport and described jet exit is communicated with described refrigerant inlet; Or
Described sparger is located between the refrigerant exit of described liquid-storage container and the intakeport of described compressing mechanism, and described injection refrigerant inlet is communicated with described refrigerant exit and described jet exit is communicated with described intakeport.
3. rotary compressor according to claim 2, is characterized in that, described sparger comprises:
Spray body, have spray chamber in described injection body, described injection refrigerant inlet and described jet exit to be located on described injection body and to be communicated with described spray chamber respectively;
Nozzle, described nozzle is located on described injection body, and described increasing enthalpy refrigerant inlet to be located on described nozzle and to be communicated with described spray chamber.
4. rotary compressor according to claim 2, is characterized in that, the described central axis of increasing enthalpy refrigerant inlet and the central axes of described jet exit and perpendicular to the central axis of described injection refrigerant inlet.
5. rotary compressor according to claim 3, it is characterized in that, described spray chamber comprises the section of acceptance, diffuser and the mixing section between described acceptance section and described diffuser, and described injection refrigerant inlet and described nozzle are communicated with described acceptance section and described jet exit is communicated with described diffuser.
6. rotary compressor according to claim 5, is characterized in that, the cross-section area of described diffuser is increased to its one end away from described mixing section gradually by one end of its contiguous described mixing section.
7. rotary compressor according to claim 5, is characterized in that, described nozzle has the restriction stretched in described acceptance section, and described injection refrigerant inlet is arranged towards the periphery wall of described restriction.
8. the rotary compressor according to any one of claim 2-7, is characterized in that, described sparger is arranged on described liquid-storage container, and described refrigerant exit is communicated with described intakeport and described jet exit is communicated with described refrigerant inlet.
9. the rotary compressor according to any one of claim 2-7, it is characterized in that, described sparger is arranged on described compressing mechanism or/and on described liquid-storage container, and described injection refrigerant inlet is communicated with described refrigerant exit and described jet exit is communicated with described intakeport.
10. rotary compressor according to claim 1, is characterized in that, described compressing mechanism comprises multiple cylinder, and described intakeport is communicated with multiple described cylinder respectively.
11. 1 kinds of heat-exchange systems, is characterized in that, comprising:
Compressor, described compressor is the rotary compressor according to any one of claim 1-10;
At refrigerating state with heat switchable reversing arrangement between state, described reversing arrangement has first to fourth interface, and described first interface is communicated with described exhaust port, and described liquid-storage container and described sparger are connected between described 4th interface and described intakeport;
Outdoor heat exchanger, described outdoor heat exchanger and described second orifice;
Indoor heat exchanger, described indoor heat exchanger respectively with described outdoor heat exchanger and described 3rd orifice;
Flash evaporation, described flash evaporation to be connected between described outdoor heat exchanger and described indoor heat exchanger and to be communicated with described sparger, wherein,
Described first interface and described second orifice when described reversing arrangement is in described refrigerating state and described 3rd interface and described 4th orifice, described first interface and described 3rd orifice when heating state described in described reversing arrangement is in and described second interface and described 4th orifice.
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| CN105508256B (en) | 2019-07-05 |
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