CN101655090A - Scroll compressor and designing method thereof - Google Patents
Scroll compressor and designing method thereof Download PDFInfo
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- CN101655090A CN101655090A CN200910187311A CN200910187311A CN101655090A CN 101655090 A CN101655090 A CN 101655090A CN 200910187311 A CN200910187311 A CN 200910187311A CN 200910187311 A CN200910187311 A CN 200910187311A CN 101655090 A CN101655090 A CN 101655090A
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- oil groove
- upper support
- scroll compressor
- radial oil
- oil tank
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Abstract
The invention relates to a compressor, in particular to a scroll compressor and a designing method thereof, a scroll compressor comprising engaged movable scroll and fixed scroll and an upper supporting plane and a designing method thereof. A radial oil tank and an annular oil tank are arranged on the upper supporting plane; one end of the radial oil tank is connected with an oil cup, and the other end is connected with the annular oil tank. An outer radial oil tank is further arranged outside the annular oil tank, one end of the outer radial oil tank is connected with the annular oil tank, and the other end extends onto the edge of the upper supporting plane. In the method, the numbers of the radial oil tanks on the upper supporting plane, the cross-sectional shape of the radial oil tankand the cross-sectional shape of the annular oil tank are determined according to the displacement and the output of the scroll compressor. By processing the radial oil tank processed on the supporting plane of the scroll compressor, the invention ensures the mobility of refrigerant oil to be more smooth so that the upper supporting plane is more easily oiled to form an oil film, the oil circulation resistance is reduced, and the normal operation of the compressor under the extremely bad working environment is facilitated.
Description
Technical field
The present invention relates to a kind of compressor, particularly a kind of scroll compressor and design method thereof.
Background technique
As everyone knows, existing scroll compressor structure as shown in Figure 1, comprise be provided with the spirality scroll wrap decide vortex and with decide the moving vortex that is provided with the spirality scroll wrap that vortex matches.Move vortex and decide a plurality of compression chambers that vortex has complemented each other to form variable volume.Along with the moving vortex of bent axle rotating drive revolves round the sun along its revolution orbit, thereby finish suction, compression and the discharge of gas.In this process, the axial force of the moving vortex of upper support main support, counteracting are moved and are decided the trend that vortex separates in the axial direction, and moving compression axial force of deciding between the vortex is very big under nominal situation, and can be big more the closer to central part pressure.Therefore, the kinetic friction under the very big pressure effect of existence between moving vortex and the upper support face.Lubricating between moving vortex and the upper support, the main refrigeration oil that drinks up from the crankshaft eccentric hole that leans on is full of lubricating cup, sticks on the moving vortex by refrigeration oil, and moving vortex reruns and takes between moving vortex and the upper support.But because of the upper support face is relatively very big, moving vortex is relatively very little with the area of contact of refrigeration oil at the lubricating cup place, and under some limited conditions condition, the upper support face can cause wearing and tearing because of oil starvation.
In addition, the pressure of moving vortex and upper support face increases, and can cause oily circuit resistance to increase, and reduces the circulating load of oil.Can cause the oil mass that enters the whirlpool dish to reduce like this, can cause moving coolant leakage amount of deciding between the scroll to increase, the cold of compressor reduces; Also can cause the wearing and tearing of partition ring moving surface oil starvation and partition ring, so that the fracture that produces partition ring.
Summary of the invention
In order to solve the problems referred to above of prior art, the objective of the invention is to propose a kind of scroll compressor and design method thereof, make the easier surface of contact of oil by upper support and moving vortex, reduce the upper support face and cause wearing and tearing because of oil starvation.
To achieve these goals, technological scheme of the present invention is as follows: a kind ofly comprise intermeshing moving vortex and decide the scroll compressor of vortex, upper support, radial oil groove and ring-like oil groove are arranged on the described upper support face, and described radial oil groove one end is connected with lubricating cup, the other end is connected with ring-like oil groove.
Ring-like oil groove of the present invention also has outer radial oil groove outward, and described outer radial oil groove one end is connected with ring-like oil groove, and the other end extends to upper support face edge always.
Radial oil groove one end of the present invention extends to upper support face edge with lubricating cup connection, the other end always.
The bar number of radial oil groove of the present invention is the 2-12 bar.
The bar number of outer radial oil groove of the present invention is the 2-12 bar.
A kind of design method that comprises the scroll compressor of upper support may further comprise the steps:
A, determine the oil mass of telling of lubricated upper support face according to the practical application working condition requirement of compressor;
B, according to the air displacement of scroll compressor with tell oil mass and determine the sectional shape of the bar number of radial oil groove on the upper support face, radial oil groove, the sectional shape of ring-like oil groove.
Compared with prior art, the present invention is reasonable in design, and is simple in structure and easy to process, and has the following advantages:
1, owing to be processed with radial oil groove on the scroll compressor upper support face of the present invention, can guarantee that the flowability of refrigeration oil is more smooth and easy, make that the upper support face is easier to oil and form oil film, reduce oily circulation resistance.
2, because the radial oil groove of the outer reprocessing of the ring-like oil groove of scroll compressor upper support face of the present invention processing can further increase oily circulating load, control the oil mass of telling of compressor, help compressor and under limit bad working environments, run well.
3, because the present invention can adjust the position of offering of ring-like oil groove according to designing requirement, realize intermittently or continue be fuel feeding in the moving vortex keyway, reach the purpose that partition ring and moving vortex fitting surface are lubricated.
4, because the present invention is processed with radial oil groove and ring-like oil groove on the upper support face, increased the oily area of contact of moving vortex, be convenient to form oil film, increased the oil lubrication of upper support face at the upper support face; Can reduce the mechanical wear of upper support face, the frictional loss that reduces the upper support face, raising compressor efficiency.
5,, thereby play the effect that oil mass is told in accurate control because the present invention can process the sectional shape and the bar number of different oil grooves.
Description of drawings
The present invention has 4 width of cloth accompanying drawings.Wherein:
Fig. 1 is the structural representation of scroll compressor.
Fig. 2 is one of the scroll compressor upper support embodiment that adds an oil groove schematic representation.
Fig. 3 is the scroll compressor upper support embodiment's that adds oil groove two schematic representation.
Fig. 4 is the scroll compressor upper support embodiment's that adds oil groove three schematic representation.
Among the figure: 1, housing, 2, motor, 3, upper support, 4, lubricating cup, 5, the upper support oil groove, 6, decide vortex, 7, moving vortex, 8, compression chamber, 9, bent axle, 10, crankshaft eccentric oilhole, 11, partition ring, 12, moving vortex keyway, 13, radial oil groove, 14, ring-like oil groove, 15, outer radial oil groove.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.As shown in Figure 1, 2, a kind of scroll compressor comprises housing 1, motor 2, upper support 3, decides vortex 6, moves vortex 7 and bent axle 9, on 3 of the described upper supports 6 radial oil grooves 13 and ring-like oil groove 14 are arranged, described radial oil groove 13 1 ends are connected with lubricating cup 4, the other end is connected with ring-like oil groove 14.
As shown in Figure 3, ring-like oil groove 14 outer 2 outer radial oil grooves 15 in addition of the present invention, described outer radial oil groove 15 1 ends are connected with ring-like oil groove 14, and the other end extends to 3 edges of upper support always.
As shown in Figure 4, radial oil groove 13 of the present invention has 6, and the one end is connected with lubricating cup 4, the other end extends to 3 edges of upper support always.
The bar number of radial oil groove 13 of the present invention can have the 2-12 bar.
The bar number of outer radial oil groove 15 of the present invention can have the 2-12 bar.
A kind of design method that comprises the scroll compressor of upper support 3 may further comprise the steps:
A, determine the oil mass of telling of 3 of lubricated upper supports according to the practical application working condition requirement of compressor;
B, according to the air displacement of scroll compressor with tell oil mass and determine that 3 of upper supports go up the bar number of radial oil grooves 13, the sectional shape of radial oil groove 13, the sectional shape of ring-like oil groove 14.
As shown in Figure 1, when the present invention works, moving vortex 7 with decide vortex 6 and complement each other to form a plurality of compression chambers 8, bent axle 9 drives moving vortex 7 rotations under the driving of motor 2, refrigeration oil enters upper support lubricating cup 4 by crankshaft eccentric oilhole 10.
As shown in Figure 2, the radial oil groove 13 of processing on 3 of upper supports, the keyway position that cooperates partition ring 11 to offer on stress deformation situation during according to moving vortex 7 real-world operations and the moving vortex 7, on 3 of corresponding upper supports, offer ring-like oil groove 14, offering of this radial oil groove 13 and ring-like oil groove 14 can make the stressed more even of the moving vortex 7 of oily circulation time; Ring-like oil groove 14 offer the position, can be designed to intermittently or continue be fuel feeding in the moving vortex keyway 12, reach the purpose that partition ring 11 and moving vortex 7 fitting surfaces are lubricated.When the present invention is turned round, refrigeration oil enters upper support lubricating cup 4 by crankshaft eccentric oilhole 10, enter between upper support 3 and the moving vortex 7 by upper support oil groove 5, refrigeration oil sticks on the moving vortex 7 again, along with the running of moving vortex 7 is taken oil between upper support 3 and the moving vortex 7 to and formed oil film.Because the mobile refrigeration oil and the surface of contact of moving vortex 7 strengthen, and be evenly distributed between moving vortex 3 and the upper support 3, can make the not only fast but also abundant of oil film formation like this.
As shown in Figure 3, radial oil groove 15 outside the processing of ring-like oil groove 14 outsides, the oil mass of telling of scroll compressor is mainly taken away the refrigeration oil that comes out from upper support 3 faces to scroll inside by refrigerant, but under some extreme operating conditions, the flow-rate ratio of refrigerant is less, or moving vortex 7 acts on the relatively ambassador's oil circulation resistance increase of axial force on the upper support 3, cause oily circulating load to reduce, so all can cause the oil mass of taking in the compression chamber 8 to reduce, amount of leakage increases, cold reduces, and input power increases; Also can accelerated wear test when serious, cause the damage of scroll.With scheme shown in Figure 3, refrigeration oil can flow to ring-like oil groove 14 along radial oil groove 13 very smoothly, flow to the upper support face from ring-like oil groove 14 along outer radial oil groove 15 again beyond.Can control accurately by the freezing oil mass in the compression chamber 8 according to the distribution of oil groove.
Embodiment shown in Figure 4 represents directly radial oil groove to be worked into outside the upper support face.
Claims (6)
1, a kind of scroll compressor that comprises intermeshing moving vortex (7) and decide vortex (6), upper support (3), it is characterized in that: radial oil groove (13) and ring-like oil groove (14) are arranged on described upper support (3) face, and described radial oil groove (13) one ends are connected with lubricating cup (4), the other end is connected with ring-like oil groove (14).
2, scroll compressor according to claim 1, it is characterized in that: the outer in addition outer radial oil groove (15) of described ring-like oil groove (14), described outer radial oil groove (15) one ends are connected with ring-like oil groove (14), and the other end extends to upper support (3) face edge always.
3, scroll compressor according to claim 1 is characterized in that: described radial oil groove (13) one ends are connected with lubricating cup (4), the other end extends to upper support (3) face edge always.
4, according to claim 1 or 3 described scroll compressors, it is characterized in that: the bar number of described radial oil groove (13) is the 2-12 bar.
5, scroll compressor according to claim 2 is characterized in that: the bar number of described outer radial oil groove (15) is the 2-12 bar.
6, a kind of design method that comprises the scroll compressor of upper support (3) is characterized in that: may further comprise the steps:
A, determine the oil mass of telling of lubricated upper support (3) face according to the practical application working condition requirement of compressor;
B, according to the air displacement of scroll compressor with tell the sectional shape of the bar number that oil mass determines radial oil groove (13) on upper support (3) face, the sectional shape of radial oil groove (13), ring-like oil groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910187311A CN101655090A (en) | 2009-09-09 | 2009-09-09 | Scroll compressor and designing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910187311A CN101655090A (en) | 2009-09-09 | 2009-09-09 | Scroll compressor and designing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101655090A true CN101655090A (en) | 2010-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910187311A Pending CN101655090A (en) | 2009-09-09 | 2009-09-09 | Scroll compressor and designing method thereof |
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| Country | Link |
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| CN (1) | CN101655090A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867444A (en) * | 2012-12-12 | 2014-06-18 | 艾默生环境优化技术(苏州)有限公司 | Main bearing seat, movable scroll part and scroll compressor |
| WO2014090054A1 (en) * | 2012-12-12 | 2014-06-19 | 艾默生环境优化技术(苏州)有限公司 | Main bearing housing, dynamic scroll component and scroll compressor |
-
2009
- 2009-09-09 CN CN200910187311A patent/CN101655090A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867444A (en) * | 2012-12-12 | 2014-06-18 | 艾默生环境优化技术(苏州)有限公司 | Main bearing seat, movable scroll part and scroll compressor |
| WO2014090054A1 (en) * | 2012-12-12 | 2014-06-19 | 艾默生环境优化技术(苏州)有限公司 | Main bearing housing, dynamic scroll component and scroll compressor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100224 |