CN103644124A - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN103644124A CN103644124A CN201310588027.2A CN201310588027A CN103644124A CN 103644124 A CN103644124 A CN 103644124A CN 201310588027 A CN201310588027 A CN 201310588027A CN 103644124 A CN103644124 A CN 103644124A
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- scroll compressor
- frame
- orbiter
- scroll
- passage
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Abstract
The present invention relates to a scroll compressor, which comprises a housing, a crankshaft arranged inside the housing, a rack arranged on the crankshaft, a moveable scroll disk arranged on the top end of the crankshaft and positioned above the rack, a static scroll disk arranged above the moveable scroll disk and engaged with the moveable scroll disk, a gas suction pipe arranged on the static scroll disk and communicated with a compression chamber formed through engagement of the moveable scroll disk and the static scroll disk, a gas exhaust non-return mechanism arranged on the top portion of the static scroll disk and communicated with the center compression chamber, and a gas exhaust pipe arranged below the rack, wherein the gas suction pipe and the gas exhaust pipe extend out of the housing, the top portion of the static scroll disk is provided with a gas exhaust hole for communicating the gas exhaust non-return mechanism and the center compression chamber, and a device for controlling flow of high pressure gas is arranged between the rack and a motor, and has a variable cross-section structure, wherein the flow of the refrigerant in the scroll compressor can be controlled with the device, the refrigerant flow channel noise level can be reduced, and the oil and gas separation efficiency can be improved.
Description
Technical field
Patent of the present invention relates to scroll compressor field, is specifically a kind of scroll compressor that can reduce refrigerant channel noise rank, improve oil-gas separation efficiency.
Background technique
The stream of refrigerant in scroll compressor in scroll compressor is for first from sucking pipe enters the compression chamber of moving vortex and fixed scroll engagement formation, orbiter revolves round the sun around bent axle under the driving of bent axle, refrigerant obtains energy in the multipair compression chamber of orbiter and fixed scroll formation, then by exhaust non-return mechanism, be discharged to hyperbaric chamber, exhaust passage by frame enters low-pressure cavity again, finally by outlet pipe, is discharged and is entered condenser participation heat exchange.There is following defect in existing scroll compressor structure: when the High Temperature High Pressure refrigerant after scroll compressor compression is flowed through check valve mechanism, may bring out the dither of high-decibel noise and orbiter; When refrigerant flows into low-pressure cavity from hyperbaric chamber, flow velocity can increase suddenly, will produce high-decibel noise; When refrigerant flows into low-pressure cavity from hyperbaric chamber, the high effective separation that is unfavorable for oil gas of flow velocity.
patent of invention content
The technical problem that patent of the present invention solves is to provide a kind of scroll compressor, and it reduces refrigerant channel noise rank in existing scroll compressor, improves the problem of oil-gas separation efficiency.
The technological scheme of patent of the present invention is: scroll compressor, it comprises shell, be arranged at the bent axle in shell, be arranged at the frame on bent axle, be arranged at the top of bent axle and be positioned at the orbiter of the top of frame, be arranged at orbiter top and with the intermeshing fixed scroll of orbiter, be arranged on fixed scroll and the sucking pipe being communicated with the compression chamber of orbiter and fixed scroll engagement formation, be arranged at fixed scroll top the exhaust non-return mechanism being communicated with central compressed chamber and the outlet pipe that is arranged at frame below, described sucking pipe and outlet pipe reach outside housing, the top of fixed scroll is provided with the exhaust port that is communicated with exhaust non-return mechanism and central compressed chamber, between described frame and motor, be provided with gas control equipment, described gas control equipment is fixed in frame, and form passage with motor trimming and inner walls, passage is connected with frame exhaust passage, described passage is variable section structure.
Described gas control equipment is plastics or Sheet Metal Part.
Described variable section structure is two cascades, gradually expansion type, a kind of with in chamfering cascade or single-order ladder type variable cross section shape.
Described variable section structure is two cascades, and its cross-sectional width is followed successively by L1, L2 and L3, L1<L2, L3<L2.
Described variable section structure is gradually expansion type, and its cross-sectional width seamlessly transits into L5 by L4, L4<L5.
Described variable section structure is band chamfering cascade, and its cross-sectional width becomes L7 by L6, has transition chamfering a between two sections, L6<L7, a>5
0.
Described variable section structure is single-order ladder type, and its cross-sectional width becomes L9 by L8, L8<L9.
The process of circulation of described scroll compressor refrigerant: first from sucking pipe 7 enters the compression chamber 6 of moving vortex and fixed scroll engagement formation, orbiter revolves round the sun around bent axle under the driving of bent axle 2, refrigerant obtains energy in the multipair compression chamber of orbiter and fixed scroll formation, then by exhaust port 10, exhaust non-return mechanism 8, be discharged to hyperbaric chamber 17, by the exhaust passage 19 of frame, by gas control equipment 11, enter low-pressure cavity 18 again, finally by outlet pipe 9 discharges, enter condenser and participate in heat exchange.Refrigerant flows out scroll compressor, the passage that gas control equipment 11 and motor trimming and inner walls form by sucking pipe 7, exhaust port 10, exhaust passage 19 and gas control equipment 11.
The advantage of patent of the present invention:
(1), refrigerant streamwise is while entering the formed exhaust passage of described gas control equipment, two cascades exhaust passage can reduce refrigerant flow rate, is conducive to reduce noise rank, significantly improves oil-gas separation efficiency;
(2), the formed exhaust passage of described gas control equipment is variable cross section-type along refrigerant flow direction, the reduction of refrigerant flow rate is beneficial to Oil-gas Separation.
(3) gas control equipment is plastics or sheet metal part, and moulding is easy, and without changing rack construction, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of patent of the present invention.
Fig. 2 is frame and gas control equipment structural representation.
Fig. 3 is the formed exhaust passage of two cascade section-variable gas control gear schematic cross-section.
Fig. 4 is the formed exhaust passage of gradually expansion type section-variable gas control gear schematic cross-section.
Fig. 5 is the formed exhaust passage of ladder band chamfering section-variable gas control gear schematic cross-section.
Fig. 6 is the formed exhaust passage of cascade section-variable gas control gear schematic cross-section.
In figure: 1, shell, 2, bent axle, 3, frame, 4, orbiter, 5, fixed scroll, 6, compression chamber, 7, sucking pipe, 8, exhaust non-return mechanism, 9, outlet pipe, 10, exhaust port, 11, gas control equipment, 12, fuel sucking pipe, 13, motor, 14, equilibrium block, 15, price fixing exhaust passage, 16, partition ring, 17, hyperbaric chamber, 18, low-pressure cavity, 19, exhaust passage.
Embodiment
See Fig. 1, scroll compressor, comprise shell 1, be arranged at the bent axle 2 in shell 1, be arranged at the frame 3 on bent axle 2, be arranged at the top of bent axle 2 and be positioned at the orbiter 4 of the top of frame 3, be arranged at orbiter 4 tops and with the intermeshing fixed scroll 5 of orbiter 4, be arranged on fixed scroll 5 and the sucking pipe 7 being communicated with the compression chamber 6 of orbiter 4 and fixed scroll 5 engagement formation, be arranged at fixed scroll 5 tops the exhaust non-return mechanism 8 being communicated with central compressed chamber 6 and the outlet pipe 9 that is arranged at frame 3 belows, sucking pipe 7 and outlet pipe 9 all reach outside housing 1, the top of fixed scroll 5 is provided with the exhaust port 10 that is communicated with exhaust non-return mechanism 8 and compression chamber 6, 12, frame 3 and motor are provided with gas control equipment 11, gas control equipment 11 is fixed in frame 3, and form passage with motor 13 trimmings and housing 1 inwall, passage is connected with frame exhaust passage 19, described passage is variable section structure.。
See Fig. 2, frame and gas control equipment structural representation, the sidewall of frame 3 is provided with exhaust passage 19, and exhaust passage 19 is communicated with gas control equipment 11 along refrigerant flow direction, and gas control equipment 11 is variable section structure.
See Fig. 3, this passage is variable section structure, and cross-sectional width becomes L2 by L1; By L2, become L3 again.Wherein, L1<L2, and L3<L2.
See Fig. 4, this passage is variable section structure, and cross-sectional width seamlessly transits into L5 by L4.Wherein, L4<L5.
See Fig. 5, this passage is variable section structure, and cross-sectional width becomes L7 by L6, has transition chamfering a between two sections.Wherein, L6<L7, a>5
0.
See Fig. 6, this passage is variable section structure, and cross-sectional width becomes L9 by L8.Wherein, L8<L9.
See Fig. 1, the stream of refrigerant in scroll compressor is: first from sucking pipe 7 enters the compression chamber 6 of moving vortex and fixed scroll engagement formation, orbiter revolves round the sun around bent axle under the driving of bent axle 2, refrigerant obtains energy in the multipair compression chamber of orbiter and fixed scroll formation, then by exhaust port 10, exhaust non-return mechanism 8, be discharged to hyperbaric chamber 17, by the exhaust passage 19 of frame, by controlling the device 11 of gas flow rate and the flow direction, enter low-pressure cavity 18 again, finally by outlet pipe 9 discharges, enter condenser and participate in heat exchange.Refrigerant is by sucking pipe 7, exhaust port 10, exhaust passage 19 and control gas flow rate and flow to device 11 and flow out scroll compressors, the passage that exhaust passage, motor trimming and the inner walls of device 11 and frame side wall forms
Along refrigerant flow direction, be variable cross section, reduce refrigerant channel noise rank, prevent the dither of orbiter, improved oil-gas separation efficiency.
Claims (8)
1. scroll compressor, comprise shell, be arranged at the bent axle in shell, be arranged at the frame on bent axle, be arranged at the top of bent axle and be positioned at the orbiter of the top of frame, be arranged at orbiter top and with the intermeshing fixed scroll of orbiter, be arranged on fixed scroll and the sucking pipe being communicated with the compression chamber of orbiter and fixed scroll engagement formation, be arranged at fixed scroll top the exhaust non-return mechanism being communicated with central compressed chamber and the outlet pipe that is arranged at frame below, described sucking pipe and outlet pipe all reach outside housing, the top of described fixed scroll is provided with the exhaust port that is communicated with exhaust non-return mechanism and central compressed chamber, it is characterized in that: between described frame and motor, be provided with gas control equipment, described gas control equipment is fixed in frame, and form passage with motor trimming and inner walls, passage is connected with frame exhaust passage, and described passage is variable section structure.
2. scroll compressor according to claim 1, is characterized in that: described gas control equipment is plastics or Sheet Metal Part.
3. scroll compressor according to claim 1, is characterized in that: described variable section structure is a kind of in two cascades, gradually expansion type, band chamfering cascade or single-order ladder type variable cross section shape.
4. scroll compressor according to claim 1, is characterized in that: described variable section structure is two cascades, and its cross-sectional width is followed successively by L1, L2 and L3, L1<L2, L3<L2.
5. scroll compressor according to claim 1, is characterized in that: described variable section structure is gradually expansion type, and its cross-sectional width seamlessly transits into L5 by L4, L4<L5.
6. scroll compressor according to claim 1, is characterized in that: described variable section structure is band chamfering cascade, and its cross-sectional width becomes L7 by L6, has transition chamfering a between two sections, L6<L7, a>5
0.
7. scroll compressor according to claim 1, is characterized in that: described variable section structure is single-order ladder type, and its cross-sectional width becomes L9 by L8, L8<L9.
8. the process of circulation of scroll compressor refrigerant as claimed in claim 1 is as follows: first from sucking pipe 7 enters the compression chamber 6 of moving vortex and fixed scroll engagement formation, orbiter revolves round the sun around bent axle under the driving of bent axle 2, refrigerant obtains energy in the multipair compression chamber of orbiter and fixed scroll formation, then by exhaust port 10, exhaust non-return mechanism 8 is discharged to hyperbaric chamber 17, by the exhaust passage 19 of frame, by gas control equipment 11, enter low-pressure cavity 18 again, finally by outlet pipe 9 discharges, enter condenser and participate in heat exchange, refrigerant is by sucking pipe 7, exhaust port 10, exhaust passage 19 and gas control equipment 11 flow out scroll compressor, the passage that gas control equipment 11 and motor trimming and inner walls form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310588027.2A CN103644124A (en) | 2013-11-21 | 2013-11-21 | Scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310588027.2A CN103644124A (en) | 2013-11-21 | 2013-11-21 | Scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103644124A true CN103644124A (en) | 2014-03-19 |
Family
ID=50249390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310588027.2A Pending CN103644124A (en) | 2013-11-21 | 2013-11-21 | Scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103644124A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001329978A (en) * | 2000-05-22 | 2001-11-30 | Hitachi Ltd | Scroll compressor |
| US20060062682A1 (en) * | 2004-09-20 | 2006-03-23 | Lg Electronics Inc. | Scroll compressor having refrigerant gas guide structure |
| JP2007218214A (en) * | 2006-02-20 | 2007-08-30 | Hitachi Ltd | Hermetic scroll compressor |
| CN202250849U (en) * | 2011-09-30 | 2012-05-30 | 安徽美芝压缩机有限公司 | Vortex compressor |
| CN202833177U (en) * | 2012-10-11 | 2013-03-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Current transformer for vortex compressor and vortex compressor |
| CN203584821U (en) * | 2013-11-21 | 2014-05-07 | 大连大学 | Scroll compressor |
-
2013
- 2013-11-21 CN CN201310588027.2A patent/CN103644124A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001329978A (en) * | 2000-05-22 | 2001-11-30 | Hitachi Ltd | Scroll compressor |
| US20060062682A1 (en) * | 2004-09-20 | 2006-03-23 | Lg Electronics Inc. | Scroll compressor having refrigerant gas guide structure |
| JP2007218214A (en) * | 2006-02-20 | 2007-08-30 | Hitachi Ltd | Hermetic scroll compressor |
| CN202250849U (en) * | 2011-09-30 | 2012-05-30 | 安徽美芝压缩机有限公司 | Vortex compressor |
| CN202833177U (en) * | 2012-10-11 | 2013-03-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Current transformer for vortex compressor and vortex compressor |
| CN203584821U (en) * | 2013-11-21 | 2014-05-07 | 大连大学 | Scroll compressor |
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| PB01 | 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: 20140319 |