CN105805016A - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN105805016A CN105805016A CN201610137358.8A CN201610137358A CN105805016A CN 105805016 A CN105805016 A CN 105805016A CN 201610137358 A CN201610137358 A CN 201610137358A CN 105805016 A CN105805016 A CN 105805016A
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- Prior art keywords
- rotary compressor
- heat dissipation
- dissipation cavity
- cylinder
- compressor according
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Classifications
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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
- F04C29/04—Heating; Cooling; Heat insulation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a rotary compressor. The rotary compressor comprises a shell and a compression mechanism. The compression mechanism is arranged in the shell and comprises an air cylinder assembly. The air cylinder assembly comprises at least one air cylinder. Each air cylinder is provided with a compression cavity. At least one heat dissipation cavity is formed in the compression mechanism and used for heat dissipation of the compression cavities. The volume of each heat dissipation cavity is V1. The displacement of the rotary compressor is V2. V1 and V2 meet the formula of 0<V1/V2<=10. According to the rotary compressor, due to the fact that V1 and V2 meet the formula of 0<V1/V2<=10, the heat dissipation performance of the rotary compressor is improved, the exhaust temperature is decreased, and power consumption is reduce; meanwhile, the performance coefficient of the rotary compressor is increased, and the reliability of the rotary compressor is improved. In addition, the rotary compressor is high in efficiency and compact in structure.
Description
Technical field
The present invention relates to compressor field, especially relate to a kind of Rotary Compressor.
Background technology
Producing substantial amounts of heat when coolant compresses in cylinder in Rotary Compressor, this not only results in delivery temperature and raises the increase with Rotary Compressor power consumption, also reduces the coefficient of performance and the reliability of Rotary Compressor.Time particularly in high temperature environments with high load capacity operating mode, the heat dispersal situations of Rotary Compressor sharply worsens.In correlation technique, relied solely on the conduction of compressor self structure passive heat or convection heat transfer' heat-transfer by convection in the past, be difficulty with good cooling requirements.
Summary of the invention
It is contemplated that at least solve one of technical problem of existence in prior art.For this, it is an object of the present invention to propose a kind of Rotary Compressor, the perfect heat-dissipating of described Rotary Compressor.
Rotary Compressor according to embodiments of the present invention, including: housing；With compression mechanism, described compression mechanism is located in described housing, described compression mechanism includes cylinder assembly, described cylinder assembly includes at least one cylinder, each described cylinder has compression chamber, being formed with at least one heat dissipation cavity in described compression mechanism, described heat dissipation cavity is for dispelling the heat to described compression chamber, and the volume of at least one heat dissipation cavity described is V1, the discharge capacity of described Rotary Compressor is V2, wherein said V1、V2Meet: 0 < V1/V2≤10。
Rotary Compressor according to embodiments of the present invention, by making V1、V2Meet 0 < V1/V2≤ 10, improve the heat dispersion of Rotary Compressor, reduce delivery temperature, reduce power consumption, also improve the coefficient of performance and the reliability of Rotary Compressor simultaneously.It addition, this Rotary Compressor is efficient and compact conformation.
According to one embodiment of present invention, described V1、V2Meet further: 2≤V1/V2≤5。
According to one embodiment of present invention, described heat dissipation cavity is close to suction side and/or the exhaust side of described cylinder.
According to one embodiment of present invention, described heat dissipation cavity is positioned at the outside of described compression chamber and circumferentially extending along described cylinder.
According to one embodiment of present invention, described heat dissipation cavity and described enclosure interior are not communicated with.
According to one embodiment of present invention, it is provided with enhanced heat exchange structure in described heat dissipation cavity.
Alternatively, described enhanced heat exchange structure includes being located on the inwall of described heat dissipation cavity multiple enhanced heat exchange grooves and/or multiple enhanced heat exchange are protruding.
According to one embodiment of present invention, described Rotary Compressor farther includes: thermal insulation barriers, and described thermal insulation barriers is located at least part of surface except contiguous described cylinder axis of described heat dissipation cavity.
Alternatively, described thermal insulation barriers is heat insulating coat or heat-barrier material part.
According to one embodiment of present invention, described cylinder assembly includes a described cylinder, described cylinder be axially respectively arranged at two ends with base bearing and supplementary bearing, described heat dissipation cavity is located at least one in described base bearing, described cylinder and described supplementary bearing.
According to one embodiment of present invention, described cylinder assembly includes multiple described cylinder, it is provided with dividing plate between adjacent two described cylinders, described cylinder assembly be axially respectively arranged at two ends with base bearing and supplementary bearing, described heat dissipation cavity is located at least one in described base bearing, the plurality of cylinder, described dividing plate and described supplementary bearing.
According to one embodiment of present invention, described Rotary Compressor farther includes: heat pipe, and one end of described heat pipe is stretched in described heat dissipation cavity.
According to one embodiment of present invention, described heat dissipation cavity constitutes the vaporizer of refrigeration system.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the kind of refrigeration cycle pressure-enthalpy chart of refrigeration system；
Fig. 2 be in Rotary Compressor compression process the pressure P in compression chamber with the change schematic diagram of its volume V；
Fig. 3 is that the COP (CoefficientofPerformance, the coefficient of performance) of Rotary Compressor according to embodiments of the present invention is with V1/V2The change schematic diagram of ratio；
Fig. 4 is the partial schematic diagram of Rotary Compressor according to embodiments of the present invention；
Fig. 5 is the profile of the cylinder of Rotary Compressor according to embodiments of the present invention；
Fig. 6 is the profile of the cylinder of Rotary Compressor in accordance with another embodiment of the present invention；
Fig. 7 is the partial schematic diagram of Rotary Compressor in accordance with another embodiment of the present invention.
Accompanying drawing labelling:
100: Rotary Compressor；
1: housing；
21: base bearing；22: cylinder；23: supplementary bearing；
221: compression chamber；222: vane slot；223: air entry；224: air vent；
24: heat dissipation cavity；25: dividing plate.
Detailed description of the invention
Being 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 the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not considered as limiting the invention.
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 ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1-Fig. 7, Rotary Compressor 100 according to embodiments of the present invention is described.Rotary Compressor 100 can be vertical compressor.In the application as explained below, illustrate for Rotary Compressor 100 for vertical compressor.Certainly, those skilled in the art are appreciated that Rotary Compressor 100 can also be horizontal compressor (not shown go out).
As shown in figs. 4 and 7, Rotary Compressor 100 such as vertical compressor according to embodiments of the present invention, including housing 1 and compression mechanism.
Compression mechanism is located in housing 1, and compression mechanism includes base bearing 21, cylinder assembly and supplementary bearing 23, base bearing 21 and supplementary bearing 23 and is located at the axial two ends of cylinder assembly, and cylinder assembly includes at least one cylinder 22.When cylinder assembly only includes a cylinder 22, base bearing 21 and supplementary bearing 23 are respectively provided at the axial two ends (such as, the top and bottom in Fig. 4) of this cylinder 22, and now Rotary Compressor 100 is single cylinder compressor.When cylinder assembly includes multiple cylinder 22, it is provided with dividing plate 25 between adjacent two cylinders 22, base bearing 21 and supplementary bearing 23 are respectively provided at the axial two ends (such as, the top and bottom in Fig. 7) of the plurality of cylinder 22, and now Rotary Compressor 100 is multicylinder compressor.
Each cylinder 22 has compression chamber 221, and compression mechanism is formed at least one heat dissipation cavity 24, and heat dissipation cavity 24 is for dispelling the heat to compression chamber 221.Thus, by arranging heat dissipation cavity 24, the amount of heat being cooled in compression chamber 221 in compression process producing for delivery in heat dissipation cavity 24, can change the heat-transfer path of compression mechanism, achieve the cooling of compression mechanism so that compression process is closer to isotherm compression process.
Wherein, the volume of at least one heat dissipation cavity 24 is V1, the discharge capacity of Rotary Compressor 100 is V2, wherein V1、V2Meet: 0 < V1/V2≤10.It should be noted that when the number of heat dissipation cavity 24 is one, V1Volume for this heat dissipation cavity 24；When the number of heat dissipation cavity 24 is multiple, V1Volume sum for the plurality of heat dissipation cavity 24.
Fig. 1 is the kind of refrigeration cycle pressure-enthalpy chart of refrigeration system, and the kind of refrigeration cycle of traditional refrigeration system is a-b-c-d-a, and wherein a-b is compression process (being commonly considered as isentropic Compression), and the power geometric ratio consumed is in enthalpy difference (h2-h1).Fig. 2 is compression process P-V figure, and its area geometric ratio dash area in work done during compression, Fig. 2 is the power consumption saved.
Further, Rotary Compressor 100 may further include: heat pipe (not shown go out), one end of heat pipe can be stretched in heat dissipation cavity 24.There is in heat pipe cooling medium.Cooling medium in heat pipe can be identical or different with the coolant in refrigeration system, for instance, cooling medium can be the medium identical with the coolant of compression in Rotary Compressor 100.Certainly, cooling medium can also be the medium with gas-liquid two-phase state, for instance, freon, water, ethanol, methanol etc..The other end of heat pipe may be located at outside housing 1.Thus, the heat that Rotary Compressor 100 work produces can be delivered to outside housing 1 by heat pipe, reduces the delivery temperature of Rotary Compressor 100 and the power consumption of Rotary Compressor 100, improves the efficiency of Rotary Compressor 100.
Certainly, heat dissipation cavity 24 can also be dispelled the heat by other means.Such as, heat dissipation cavity 24 may be constructed the vaporizer of refrigeration system, and now coolant can flow through heat dissipation cavity 24, flows through the gasification of the coolant in heat dissipation cavity 24 and absorbs calorific potential and in compression process, the heat produced is taken away, equally possible plays good cooling effect.
By arranging heat dissipation cavity 24 on cylinder 22, by heat dissipation cavity 24, the heat produced in compression process is taken away, isentropic Compression process A-B is become cylinder 22 cooled compressed process A-B ', thus, it is possible to power consumption is greatly lowered, improve COP.Compression process produces and needs the heat Q being pulled away2With Rotary Compressor 100 discharge capacity V2Relevant, and heat dissipation cavity 24 takes away the ability Q of heat1With its volume size V1Relevant, work as Q1=Q2Time obtain above-mentioned V1、V2Relation.As it is shown on figure 3, V1、V2Meet further: 2≤V1/V2≤5.Thus, it is possible to improve Rotary Compressor 100 efficiency further.
Rotary Compressor 100 such as vertical compressor according to embodiments of the present invention, by making V1、V2Meet 0 < V1/V2≤ 10, improve the heat dispersion of Rotary Compressor 100, reduce delivery temperature, reduce power consumption, also improve the coefficient of performance and the reliability of Rotary Compressor 100 simultaneously.It addition, the adaptability that this Rotary Compressor 100 efficiently and compact conformation, can be greatly enhanced under Rotary Compressor 100 bad working environments (particularly under hot environment and high load capacity operating mode) and performance parameter.
According to one embodiment of present invention, as shown in Figure 5 and Figure 6, cylinder 22 is formed vane slot 222, the both sides of vane slot 222 are respectively provided with air entry 223 and air vent 224, the side of the contiguous air entry 223 of vane slot 222 is suction side, correspondingly, the side of the contiguous air vent 224 of vane slot 222 is exhaust side, the suction side of the contiguous cylinder 22 of heat dissipation cavity 24 and/or exhaust side, now heat dissipation cavity 24 should close proximity to the compression suction side of mechanism and/or exhaust side, to reach better radiating effect.
A specific embodiment according to the present invention, heat dissipation cavity 24 is positioned at the outside of compression chamber 221 and circumferentially extending along cylinder 22.Such as, as it is shown in figure 5, be formed with a heat dissipation cavity 24 on cylinder 22, this heat dissipation cavity 24 is positioned at the side away from cylinder 22 center of compression chamber 221, heat dissipation cavity 24 is generally around the periphery of compression chamber 221, and now the circumferential two ends of heat dissipation cavity 24 extend respectively to contiguous air entry 223 and air vent 224.Thus, the space in heat dissipation cavity 24 is relatively big, such that it is able to abundant and the generation of compression chamber 221 compression process heat carries out heat exchange.Here, it is necessary to explanation, direction " outward " can be understood as the direction away from cylinder 22 center, and its rightabout is defined as " interior ".
Certainly, as shown in Figure 6, cylinder 22 can also being formed with spaced two heat dissipation cavity 24 in the circumferential, the two heat dissipation cavity 24 is spaced apart from each other, not connected.Thus, there is good radiating effect equally, and the bulk strength of cylinder 22 can be effectively ensured.
According to one embodiment of present invention, heat dissipation cavity 24 is internal with housing 1 to be not communicated with, and now the heat in heat dissipation cavity 24 can not be directly delivered to housing 1 inside, is effectively guaranteed overall performance and the reliability of Rotary Compressor 100.
According to one embodiment of present invention, enhanced heat exchange structure (not shown go out) it is provided with in heat dissipation cavity 24.Such as, enhanced heat exchange structure can include the multiple enhanced heat exchange grooves and/or the multiple enhanced heat exchange projection that are located on the inwall of heat dissipation cavity 24, thus, adds heat transfer area, improves heat-transfer effect.Wherein, enhanced heat exchange structure is preferably located on a side surface at contiguous cylinder 22 center of heat dissipation cavity 24.
According to one embodiment of present invention, Rotary Compressor 100 farther includes: thermal insulation barriers, and thermal insulation barriers is located at least part of surface except contiguous cylinder 22 center of heat dissipation cavity 24.Such as, when the shape of cross section of heat dissipation cavity 24 is rectangle, thermal insulation barriers can be located at the roof of heat dissipation cavity 24, diapire and away from least one in the lateral wall at cylinder 22 center.Thus, by arranging thermal insulation barriers, it is possible to be prevented effectively from heat dissipation cavity 24 outside heat and be delivered in heat dissipation cavity 24, the heat transfer of a side surface at contiguous cylinder 22 center of heat dissipation cavity 24 is enhanced.
Alternatively, thermal insulation barriers is heat insulating coat (heat insulating coat can be coated at least part of inner surface of heat dissipation cavity 24) or heat-barrier material part (such as, working of plastics or asbestos part etc.).
According to one embodiment of present invention, cylinder assembly includes a cylinder 22, cylinder 22 be axially respectively arranged at two ends with base bearing 21 and supplementary bearing 23, heat dissipation cavity 24 is located at least one in base bearing 21, cylinder 22 and supplementary bearing 23.Such as, as shown in Figure 4, base bearing 21, cylinder 22 and supplementary bearing 23 these three parts are equipped with heat dissipation cavity 24, and the heat dissipation cavity 24 on these three parts does not connect each other.Certainly, the heat dissipation cavity 24 on different parts can also connect.
According to one embodiment of present invention, cylinder assembly includes multiple cylinder 22, it is provided with dividing plate 25 between adjacent two cylinders 22, cylinder assembly be axially respectively arranged at two ends with base bearing 21 and supplementary bearing 23, heat dissipation cavity 24 is located at least one in base bearing 21, multiple cylinder 22, dividing plate 25 and supplementary bearing 23.Such as, as it is shown in fig. 7, cylinder assembly includes two cylinders 22, being provided with dividing plate 25, jointly limit heat dissipation cavity 24 between dividing plate 25, base bearing 21 and supplementary bearing 23 between the two cylinder 22, now the heat dissipation cavity 24 on these three parts communicates with each other.
Rotary Compressor 100 such as vertical compressor according to embodiments of the present invention, heat dissipation cavity 24 is dark chamber, can under proof strength requires, improve the cooling effect of coolant in cylinder 22 as much as possible, achieve the nearly isotherm compression process of Rotary Compressor 100, effectively reduce Rotary Compressor 100 power consumption and delivery temperature, improve Rotary Compressor 100 Performance And Reliability, particularly in hot environment and under high load capacity operating mode, the actual effect of the Rotary Compressor 100 of the embodiment of the present invention is more notable.
Other of Rotary Compressor 100 according to embodiments of the present invention and refrigeration system are constituted and operation is all known for those of ordinary skills, are not detailed herein.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature 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: these embodiments can being carried out multiple change, amendment, replacement and modification when without departing from principles of the invention and objective, the scope of the present invention is limited by claim and equivalent thereof.
Claims (13)
1. a Rotary Compressor, it is characterised in that including:
Housing；With
Compression mechanism, described compression mechanism is located in described housing, described compression mechanism includes cylinder assembly, described cylinder assembly includes at least one cylinder, each described cylinder has compression chamber, being formed with at least one heat dissipation cavity in described compression mechanism, described heat dissipation cavity is for dispelling the heat to described compression chamber, and the volume of at least one heat dissipation cavity described is V1, the discharge capacity of described Rotary Compressor is V2, wherein said V1、V2Meet:
0 < V1/V2≤10。
2. Rotary Compressor according to claim 1, it is characterised in that described V1、V2Meet further: 2≤V1/V2≤5。
3. Rotary Compressor according to claim 1, it is characterised in that the suction side of the contiguous described cylinder of described heat dissipation cavity and/or exhaust side.
4. Rotary Compressor according to claim 1, it is characterised in that described heat dissipation cavity is positioned at the outside of described compression chamber and circumferentially extending along described cylinder.
5. Rotary Compressor according to claim 1, it is characterised in that described heat dissipation cavity and described enclosure interior are not communicated with.
6. Rotary Compressor according to claim 1, it is characterised in that be provided with enhanced heat exchange structure in described heat dissipation cavity.
7. Rotary Compressor according to claim 6, it is characterised in that described enhanced heat exchange structure includes the multiple enhanced heat exchange grooves and/or the multiple enhanced heat exchange projection that are located on the inwall of described heat dissipation cavity.
8. the Rotary Compressor according to any one of claim 1-7, it is characterised in that farther include:
Thermal insulation barriers, described thermal insulation barriers is located at least part of surface except contiguous described cylinder axis of described heat dissipation cavity.
9. Rotary Compressor according to claim 8, it is characterised in that described thermal insulation barriers is heat insulating coat or heat-barrier material part.
10. Rotary Compressor according to claim 1, it is characterized in that, described cylinder assembly includes a described cylinder, described cylinder be axially respectively arranged at two ends with base bearing and supplementary bearing, described heat dissipation cavity is located at least one in described base bearing, described cylinder and described supplementary bearing.
11. Rotary Compressor according to claim 1, it is characterized in that, described cylinder assembly includes multiple described cylinder, it is provided with dividing plate between adjacent two described cylinders, described cylinder assembly be axially respectively arranged at two ends with base bearing and supplementary bearing, described heat dissipation cavity is located at least one in described base bearing, the plurality of cylinder, described dividing plate and described supplementary bearing.
12. Rotary Compressor according to claim 1, it is characterised in that farther include:
Heat pipe, one end of described heat pipe is stretched in described heat dissipation cavity.
13. Rotary Compressor according to claim 1, it is characterised in that described heat dissipation cavity constitutes the vaporizer of refrigeration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610137358.8A CN105805016A (en) | 2016-03-10 | 2016-03-10 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610137358.8A CN105805016A (en) | 2016-03-10 | 2016-03-10 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105805016A true CN105805016A (en) | 2016-07-27 |
Family
ID=56468136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610137358.8A Pending CN105805016A (en) | 2016-03-10 | 2016-03-10 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805016A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605697A (en) * | 2017-10-23 | 2018-01-19 | 珠海凌达压缩机有限公司 | Diaphragm structure, double-stage compressor and air conditioner |
| CN108661908A (en) * | 2018-06-19 | 2018-10-16 | 安徽美芝精密制造有限公司 | Compressor and refrigeration system with it |
| CN110080983A (en) * | 2019-06-05 | 2019-08-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Horizontal compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107605697A (en) * | 2017-10-23 | 2018-01-19 | 珠海凌达压缩机有限公司 | Diaphragm structure, double-stage compressor and air conditioner |
| CN107605697B (en) * | 2017-10-23 | 2020-10-09 | 珠海凌达压缩机有限公司 | Partition plate structure, two-stage compressor and air conditioner |
| CN108661908A (en) * | 2018-06-19 | 2018-10-16 | 安徽美芝精密制造有限公司 | Compressor and refrigeration system with it |
| CN110080983A (en) * | 2019-06-05 | 2019-08-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Horizontal compressor |
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