CN100343533C - Exhaust noise reducer of closed rotary compressor - Google Patents
Exhaust noise reducer of closed rotary compressor Download PDFInfo
- Publication number
- CN100343533C CN100343533C CNB021586012A CN02158601A CN100343533C CN 100343533 C CN100343533 C CN 100343533C CN B021586012 A CNB021586012 A CN B021586012A CN 02158601 A CN02158601 A CN 02158601A CN 100343533 C CN100343533 C CN 100343533C
- Authority
- CN
- China
- Prior art keywords
- rotor
- equilibrium block
- rotary compressor
- fixed component
- closed rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention relates to an exhaust noise reducer of a closed rotary compressor, which is characterized in that a silencer for discharging high-temperature and high-pressure coolant from an exhaust outlet is arranged at the bottom of a rotor of an electric mechanism part; a lower balance block is eccentrically fixed to one side of the lower terminal part of the rotor, and the lower balance block and a fixed component are fixedly arranged on an annular disk at the bottom; the fixed component is arranged on a central axis of the lower balance block, the central axis is opposite to the lower balance block, and the height of the fixed component corresponds to the height of the lower balance block. The present invention has the advantages that the present invention can adjust the space between the upper side surface of the silencer and the bottom surfaces of a stator and the rotor in order to reduce noise, and can simultaneously provide a plane for the high-temperature and high-pressure coolant from the exhaust outlet of the silencer at a high speed to regularly conflict the coolant; thus, irregular noise in an original technique is reduced to a uniform state.
Description
Technical field
What the present invention relates to is closed rotary compressor, particularly be that the exhaust noise of closed rotary compressor reduces device.
Background technique
As shown in Figure 1 and Figure 2, existing closed rotary compressor, the upside in seal container 1 inside has mechanism portion 2; With mechanism portion 2 at a distance of certain intervals, be provided with compression mechanical part 6 at its downside.
Above-mentioned mechanism portion 2 comprises: as long as connect the stator 3 that power supply just can produce magnetic force; The rotor rotated 4 with the conversion of magnetic force in the stator 3; Be pressed into the running shaft 5 that is fixed on rotor 4 centers.
Above-mentioned compressor structure portion 6 comprises: refrigerant is sucked the cylinder 8 that the back compression is discharged again; Be assembled in the upper and lower of said cylinder 8, and form pressing chamber 9, connect the also upper bearing 7 and the lower bearing 11 of supporting rotating shaft 5 in the inside of cylinder 8.
The inboard of pressing chamber 9 is inserted with the eccentric part 12 of running shaft 5 in the said cylinder 8, also is provided with rolling of can revolving round the sun in the outside of eccentric part 12 and encircles 10.
The inboard of above-mentioned pressing chamber 9 also is provided with blade (unmarked among the figure), one side end of this blade contacts with the periphery upper thread that rolls ring 10, and the side at pressing chamber 9 is done straight reciprocating motion along radial direction, thereby the inner peripheral surface owing to pressing chamber 9 is divided into air-breathing field and compression field with the inner space that the outer circumferential face that rolls ring 10 forms.
Have on the said cylinder 8: after connecting cylinder wall, be communicated with the air-breathing field of blade (unmarked among the figure) sidepiece, and can suck the suction port 13 of refrigerant; At the opposite side of blade (unmarked among the figure), behind upside one clipped corner with cylinder wall, the exhaust port 14 of the refrigerant of compression discharge.
Above-mentioned upper bearing 7 is provided with the relief opening 15 that communicates with the exhaust port 14 of cylinder 8; The upside of relief opening 15 is provided with the exhaust valve component 16 of switch pair gas port 15; Upside at exhaust valve component 16 also is provided with the baffler 17 that is formed by screw connection back.
Above-mentioned baffler 17 is provided with relief opening 18, and the high temperature of discharging by relief opening 15, the refrigerant of high pressure produce noise because of pressure difference, and baffler 17 reduces noise for above-mentioned noise provides the sympathetic response space of a constant volume by the guiding resonance frequency.Refrigerant by baffler 17 is discharged through relief opening 18.
Be located to be pressed on the rotor 3 of baffler 17 upsides and be fixed with the running shaft 5 that its bottom is provided with eccentric part 12; When rotor 4 rotations, for the rotor 4 that prevents to produce and the friction between the stator 3 owing to eccentric force, and in order to grasp balance, the axle with running shaft in upper terminal portion 21 and lower terminal end portion 20 is that the center intersection is provided with top equilibrium block 22 and bottom equilibrium block 19.
As shown in Figure 3, bottom equilibrium block 19 is provided with fixed groove 24, and is semicircular arc.Bottom equilibrium block 19 is fixed in the lower terminal end portion of rotor 4 by fixed groove 24.
Mark 23 is the refrigerant discharge tube of compressor in above-mentioned accompanying drawing.
The existing closed rotary compressor of structure as mentioned above, when connecting power supply, because the interaction between stator 3 and the rotor 4 produces driving force, this driving force passes to and is pressed on the running shaft 5 that is fixed on the rotor 4, and drive the eccentric part 12 be located at running shaft 5 bottoms since eccentric part 12 roll ring 10 and the state that is in contact with one another of blade (unmarked in the accompanying drawing) under be to revolve round the sun in the center in the inside of pressing chamber 9 with running shaft 5.
Above-mentioned revolution of rolling ring 10 makes the inner peripheral surface of pressing chamber 9 and rolls the inner space generation Volume Changes of the outer circumferential face formation of ring 10, thereby after the refrigerant of high temperature, low pressure is drawn into the inner space of pressing chamber 9 by suction port 13, recompress into the refrigerant of high temperature, high pressure.
The refrigerant of above-mentioned compressed high temperature, high pressure is discharged between upper bearing 7 and baffler 17 through exhaust port 14 and relief opening 15 by the action of exhaust valve component 16; The high temperature that is discharged from, the refrigerant of high pressure process are concatenated to form the sympathetic response space that end face dwindles the baffler 17 of portion and end face expansion section, and behind the guiding resonance frequency reduction noise, discharge by baffler relief opening 18.
By the high temperature of above-mentioned baffler relief opening 18 discharges, the refrigerant of high pressure, discharge at a high speed to the stator 3 of above-mentioned mechanism portion 2 and the bottom space of rotor 4, thereby produce noise; The refrigerant of high temperature, high pressure is discharged at a high speed to the bottom of semicircular arc bottom equilibrium block 19 simultaneously, discontinuous conflict takes place, thereby produce irregular noise.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, provide a kind of bottom equilibrium block off-centre of compressor to be fixed on the lower terminal end portion of rotor, the refrigerant of high temperature, high pressure is discharged at a high speed from the bottom of bottom equilibrium block, and conflict evenly; Keep certain space between baffler and the bottom equilibrium block simultaneously, the exhaust noise that makes irregular noise be reduced to a kind of closed rotary compressor of uniform frequency domain reduces device.
The present invention solve the problems of the technologies described above adopt to such an extent that technological scheme is: a kind of exhaust noise of closed rotary compressor reduces device, and the baffler of discharging high temperature, high pressure refrigerant from relief opening is arranged in the bottom of mechanism portion rotor; Bottom equilibrium block off-centre is fixed on a side of the lower terminal end portion of rotor, and bottom equilibrium block and fixed component are fixedly installed on the circular disk of its bottom, and wherein equilibrium block off-centre in bottom is fixed on a side of the lower terminal end portion of rotor; Fixed component is arranged on the bottom equilibrium block central axis of bottom equilibrium block opposite position of rotor, and the height of fixed component is equivalent to the height of bottom equilibrium block.
The invention has the beneficial effects as follows: the exhaust noise of closed rotary compressor of the present invention reduces device, can adjust the space between the bottom surface of baffler upper side and stator and rotor, thereby reduce the generation of noise, provide tabular surface for the high temperature of discharging at a high speed, the refrigerant of high pressure simultaneously from the baffler relief opening, make the well-regulated conflict of refrigerant, thereby irregular noise in original technology is reduced to uniform frequency domain.
Description of drawings
Fig. 1 is the sectional arrangement drawing of existing closed rotary compressor;
Fig. 2 is the fragmentary cross-sectional view of existing closed rotary compressor;
Fig. 3 is the bottom equilibrium block stereogram of existing closed rotary compressor;
Fig. 4 is that the exhaust noise of closed rotary compressor of the present invention reduces the device sectional arrangement drawing;
Fig. 5 is that the exhaust noise of closed rotary compressor of the present invention reduces device part sectional arrangement drawing;
Fig. 6 is that the exhaust noise of closed rotary compressor of the present invention reduces circular disk stereogram in the device.
Embodiment
The structure that reduces device for the exhaust noise of the closed rotary compressor that reaches the foregoing invention purpose is:. a kind of exhaust noise of closed rotary compressor reduces device, and the baffler 17 of discharging high temperature, high pressure refrigerant from relief opening is arranged in the bottom of mechanism portion 2 rotors 4; Equilibrium block 19 off-centre in bottom are fixed on a side of the lower terminal end portion of rotor, and bottom equilibrium block 19 and fixed component 25 are fixedly installed on the circular disk 26 of its bottom, and wherein equilibrium block 19 off-centre in bottom are fixed on a side of the lower terminal end portion of rotor; Fixed component 25 is arranged on bottom equilibrium block 19 central axis of bottom equilibrium block 19 opposite positions of rotor 4, and the height of fixed component 25 is equivalent to the height of bottom equilibrium block 19.
Described fixed component 25 is integrally formed at a side and the circular disk 26 of circular disk 26 upper sides.
Exhaust noise reduction device to closed rotary compressor of the present invention makes a detailed description with reference to the accompanying drawings, and wherein identical with prior art parts use same sequence number.
As Fig. 4, shown in Figure 5, closed rotary compressor of the present invention, the upside in its seal container 1 inside is provided with mechanism portion 2; With mechanism portion 2 at a distance of certain intervals, be provided with compression mechanical part 6 at its downside.
Above-mentioned mechanism portion 2 comprises: as long as connect the stator 3 that power supply just can produce magnetic force; The rotor rotated 4 with the continuous conversion of magnetic force in the stator 3; Be pressed into the running shaft 5 at the center that is fixed on rotor 4.
Above-mentioned compressor structure portion 6 comprises: refrigerant is sucked the cylinder 8 that the back compression is discharged again; Be assembled in the upper and lower of said cylinder 8, and form pressing chamber 9, connect the also upper bearing 7 and the lower bearing 11 of supporting rotating shaft 5 in the inside of cylinder 8.
The inboard of pressing chamber 9 is inserted with the eccentric part 12 of running shaft 5 in the said cylinder 8, also is provided with rolling of can revolving round the sun in the outside of eccentric part 12 and encircles 10.
The inboard of above-mentioned pressing chamber 9 also is provided with blade (unmarked among the figure), one side end of this blade contacts with the periphery upper thread that rolls ring 10, and the side at pressing chamber 9 is done straight reciprocating motion along radial direction, thereby the inner peripheral surface owing to pressing chamber 9 is divided into air-breathing field and compression field with the inner space that the outer circumferential face that rolls ring 10 forms.
Said cylinder 8 is provided with: after connecting cylinder wall, be communicated with the air-breathing field of blade (unmarked among the figure) sidepiece, and can suck the suction port 13 of refrigerant; At the opposite side of blade (unmarked among the figure), behind upside one clipped corner with cylinder wall, the exhaust port 14 of the refrigerant of compression discharge.
Above-mentioned upper bearing 7 is provided with the relief opening 15 that communicates with the exhaust port 14 of cylinder 8; The upside of relief opening 15 is provided with the exhaust valve component 16 of switch pair gas port 15; Upside at exhaust valve component 16 also is provided with the baffler 17 that is formed by several screw connection backs.
Above-mentioned baffler 17 is provided with relief opening 18, and the high temperature of discharging by relief opening 15, the refrigerant of high pressure produce noise because of pressure difference, and baffler 17 reduces noise for above-mentioned noise provides the sympathetic response space of a constant volume by the guiding resonance frequency.Refrigerant by baffler 17 is discharged through relief opening 18.
Be located to be pressed on the rotor 3 of baffler 17 upsides and be fixed with the running shaft 5 that its bottom is provided with eccentric part 12; When rotor 4 rotations, for the rotor 4 that prevents to produce and the friction between the stator 3 owing to eccentric force, and in order to grasp balance, the axle with running shaft in upper terminal portion 21 and lower terminal end portion 20 is that the center intersection is provided with top equilibrium block 22 and bottom equilibrium block 19.
Above-mentioned bottom equilibrium block 19 is provided with fixed groove 24, and is semicircular arc.The eccentric part 12 of above-mentioned bottom equilibrium block 19 by fixed groove 24 and running shaft 5 is that the center is pressed in the lower terminal end portion 20 that is fixed on rotor 4 across with the axle.
The closed rotary compressor of the present invention of structure as mentioned above, when connecting power supply, because the interaction between stator 3 and the rotor 4 produces driving force, this driving force passes to and is pressed on the running shaft 5 that is fixed on the rotor 4, and drive the eccentric part 12 be located at running shaft 5 bottoms since eccentric part 12 roll ring 10 and the contacted state of blade (unmarked in the accompanying drawing) under be to revolve round the sun in the center in the inside of pressing chamber 9 with running shaft 5.
Above-mentioned revolution of rolling ring 10 makes the inner peripheral surface of pressing chamber 9 and rolls the inner space generation Volume Changes of the outer circumferential face formation of ring 10, thereby after the refrigerant of high temperature, low pressure is drawn into the inner space of pressing chamber 9 by suction port 13, recompress into the refrigerant of high temperature, high pressure.
The refrigerant of above-mentioned compressed high temperature, high pressure is discharged between upper bearing 7 and baffler 17 through exhaust port 14 and relief opening 15 by the action of exhaust valve component 16; The high temperature that is discharged from, the refrigerant of high pressure process are concatenated to form the sympathetic response space that end face dwindles the baffler 17 of portion and end face expansion section, and behind the guiding resonance frequency reduction noise, discharge by baffler relief opening 18.
By the high temperature of above-mentioned baffler relief opening 18, the refrigerant of high pressure, discharge to the homogeneous space that the upper side of the bottom flat face of circular disk 26 and baffler 17 forms, thereby refrigerant is evenly conflicted with the bottom flat face of circular disk 26, and then irregular exhaust noise is reduced to uniform frequency domain.Wherein, above-mentioned circular disk 26 is fixedly installed on the bottom of bottom equilibrium block 19 and fixed component 25.
Claims (2)
1. the exhaust noise of a closed rotary compressor reduces device, and the baffler (17) of discharging high temperature, high pressure refrigerant from relief opening is arranged in the bottom of mechanism portion (2) rotor (4); Bottom equilibrium block (19) off-centre is fixed on a side of the lower terminal end portion of rotor, it is characterized in that bottom equilibrium block (19) and fixed component (25) are fixedly installed on the circular disk (26) of its bottom, wherein bottom equilibrium block (19) off-centre is fixed on a side of the lower terminal end portion of rotor; Fixed component (25) is arranged on bottom equilibrium block (19) central axis of bottom equilibrium block (19) opposite position of rotor (4), and the height of fixed component (25) is equivalent to the height of bottom equilibrium block (19).
2. the exhaust noise according to the closed rotary compressor described in the claim 1 reduces device, it is characterized in that described fixed component (25) is integrally formed at a side and the circular disk (26) of circular disk (26) upper side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021586012A CN100343533C (en) | 2002-12-25 | 2002-12-25 | Exhaust noise reducer of closed rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021586012A CN100343533C (en) | 2002-12-25 | 2002-12-25 | Exhaust noise reducer of closed rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1510306A CN1510306A (en) | 2004-07-07 |
| CN100343533C true CN100343533C (en) | 2007-10-17 |
Family
ID=34237073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021586012A Expired - Fee Related CN100343533C (en) | 2002-12-25 | 2002-12-25 | Exhaust noise reducer of closed rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100343533C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011734A (en) * | 2010-12-13 | 2011-04-13 | 广东美的电器股份有限公司 | Vibration damping and noise reducing device for frequency conversion single-rotor compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167522A (en) * | 1995-11-03 | 1997-12-10 | 运载器有限公司 | Rotary compressor |
| JPH1122680A (en) * | 1997-07-07 | 1999-01-26 | Toshiba Corp | Hermetic compressor |
| JPH11287192A (en) * | 1998-04-02 | 1999-10-19 | Matsushita Refrig Co Ltd | Rotary type refrigerant compressor |
| US6312233B1 (en) * | 1999-02-26 | 2001-11-06 | Lg Electronics Inc. | Rotary compressor |
-
2002
- 2002-12-25 CN CNB021586012A patent/CN100343533C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167522A (en) * | 1995-11-03 | 1997-12-10 | 运载器有限公司 | Rotary compressor |
| JPH1122680A (en) * | 1997-07-07 | 1999-01-26 | Toshiba Corp | Hermetic compressor |
| JPH11287192A (en) * | 1998-04-02 | 1999-10-19 | Matsushita Refrig Co Ltd | Rotary type refrigerant compressor |
| US6312233B1 (en) * | 1999-02-26 | 2001-11-06 | Lg Electronics Inc. | Rotary compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1510306A (en) | 2004-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2005299653A (en) | Rolling piston and rotary compressor gas leakage preventing device equipped therewith | |
| CN1757925A (en) | Variable capacity type orbiting vane compressor | |
| CN1236212C (en) | Vortex compressor | |
| CN100343533C (en) | Exhaust noise reducer of closed rotary compressor | |
| WO2003054391A1 (en) | Suction mechanism of rotary compressor | |
| CN1626814A (en) | Vibration-proof structure in rotating type compressor | |
| CN1320281C (en) | Silencer of exhaust valve for sealed rotary compressor | |
| CN2769556Y (en) | Vortex compressor | |
| JPH0755343Y2 (en) | Rotary compressor | |
| KR100763149B1 (en) | Rotary compressor | |
| CN1692228A (en) | Rotary compressor | |
| JPS6357888A (en) | Closed type compressor | |
| CN2791304Y (en) | Swing-plate rolling-ring type compressor | |
| CN1566693A (en) | Wear prevention device for vortex type compressor | |
| CN1715658A (en) | Friction reducing device for rotary compressor | |
| CN1782432A (en) | Bottom silencer structure of rotary double pressure cylinder compressor | |
| CN211422947U (en) | Compression mechanism and compressor with same | |
| CN1186177A (en) | Noise reducing structure for hermetically sealed compressor | |
| KR100273026B1 (en) | Refrigerant leakage preventing structure of rotary compressor | |
| WO2004038225A1 (en) | Compressor | |
| CN1888433A (en) | Rotation type compressor | |
| CN1840916A (en) | Scroll fluid machine with a silencer | |
| CN1510279A (en) | Eccentric cam buffering mechanism for rotary shaft of closed rotary compressor | |
| CN1201085C (en) | Antifriction device of compressor | |
| CN1566680A (en) | Hermetic compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |