CN203584821U - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN203584821U CN203584821U CN201320738083.5U CN201320738083U CN203584821U CN 203584821 U CN203584821 U CN 203584821U CN 201320738083 U CN201320738083 U CN 201320738083U CN 203584821 U CN203584821 U CN 203584821U
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- scroll compressor
- frame
- scroll
- section structure
- orbiter
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Abstract
The utility model relates to a scroll compressor, which comprises a shell, a crankshaft in the shell, a rack on the crankshaft, a dynamic scroll plate at the top of the crankshaft and above the rack, a static scroll plate arranged above and meshed with the dynamic scroll plate, a gas suction pipe arranged on the static scroll plate and communicated with a compressing cavity formed by the dynamic scroll plate and the static scroll plate which are meshed with each other, a gas exhausting check mechanism arranged on the top of the static scroll plate and communicated with the central compressing cavity and a gas exhausting pipe below the rack, wherein the gas suction pipe and the gas exhausting pipe extend out of the shell body, and gas exhausting holes communicated with the gas exhausting check mechanism and the central compressing cavity are formed in the top of the static scroll plate; a device for controlling the flow of high pressure gas is arranged between the rack and a motor and is of a cross section-variable structure. The scroll compressor has the advantages that the flow of a cooling medium in the scroll compressor is controllable, the noise level of a cooling medium flow channel is reduced and the oil-gas separation efficiency is increased.
Description
Technical field
The utility model 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 first from sucking pipe, to enter moving vortex to engage with fixed scroll the compression chamber forming, 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, by the exhaust passage of frame, enter low-pressure cavity again, finally by outlet pipe, discharge and enter 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.
Model utility content
The technical problem that the utility model 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 technical solution of the utility model 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 at the sucking pipe that engages the compression chamber connection forming on fixed scroll and with orbiter and fixed scroll, 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 a kind of in two cascades, gradually expansion type, band 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 enter moving vortex from sucking pipe 7 and engage with fixed scroll the compression chamber 6 forming, 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 by sucking pipe 7, exhaust port 10, exhaust passage 19 and gas control equipment 11, the passage that gas control equipment 11 and motor trimming and inner walls form.
Advantage of the present utility model:
(1), refrigerant streamwise is while entering the exhaust passage that described gas control equipment forms, two cascades exhaust passage can reduce refrigerant flow rate, is conducive to reduce noise rank, significantly improves oil-gas separation efficiency;
(2), the exhaust passage that forms 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 structural representation of the present utility model.
Fig. 2 is frame and gas control equipment structural representation.
Fig. 3 is the exhaust passage schematic cross-section that two cascade section-variable gas control gear form.
Fig. 4 is the exhaust passage schematic cross-section that gradually expansion type section-variable gas control gear forms.
Fig. 5 is the exhaust passage schematic cross-section that ladder band chamfering section-variable gas control gear forms.
Fig. 6 is the exhaust passage schematic cross-section that cascade section-variable gas control gear forms.
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 at and on fixed scroll 5 and with orbiter 4 and fixed scroll 5, engage the sucking pipe 7 that the compression chamber 6 that forms is communicated with, 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, between frame 3 and motor 12, be 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, enter moving vortex and engage with fixed scroll the compression chamber 6 forming, 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 the device 11 of controlling 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 compressor, the passage that device 11 and exhaust passage, motor trimming and the inner walls of frame side wall form
Along refrigerant flow direction, be variable cross section, reduce refrigerant channel noise rank, prevent the dither of orbiter, improved oil-gas separation efficiency.
Claims (7)
1.
a kind ofscroll 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 at the sucking pipe that engages the compression chamber connection forming on fixed scroll and with orbiter and fixed scroll, 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 two cascades, gradually expansion type, with the one in 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738083.5U CN203584821U (en) | 2013-11-21 | 2013-11-21 | Scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738083.5U CN203584821U (en) | 2013-11-21 | 2013-11-21 | Scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584821U true CN203584821U (en) | 2014-05-07 |
Family
ID=50582753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320738083.5U Expired - Fee Related CN203584821U (en) | 2013-11-21 | 2013-11-21 | Scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203584821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644124A (en) * | 2013-11-21 | 2014-03-19 | 大连大学 | Scroll compressor |
| CN114087175A (en) * | 2020-08-24 | 2022-02-25 | 广东美的环境科技有限公司 | Scroll compressor and refrigeration equipment |
-
2013
- 2013-11-21 CN CN201320738083.5U patent/CN203584821U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644124A (en) * | 2013-11-21 | 2014-03-19 | 大连大学 | Scroll compressor |
| CN114087175A (en) * | 2020-08-24 | 2022-02-25 | 广东美的环境科技有限公司 | Scroll compressor and refrigeration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |