CN1580572A - Silencer of rotary compressor - Google Patents
Silencer of rotary compressor Download PDFInfo
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- CN1580572A CN1580572A CN 03130505 CN03130505A CN1580572A CN 1580572 A CN1580572 A CN 1580572A CN 03130505 CN03130505 CN 03130505 CN 03130505 A CN03130505 A CN 03130505A CN 1580572 A CN1580572 A CN 1580572A
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- silencing apparatus
- air flow
- flow guide
- rotary compressor
- compressor
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Abstract
A sound suppressor of a rotary compressor includes a sound suppressor a thin wall mask shell in the shape of a ring oral cylinder with a hole in the middle, its inside forms a ring cavity, the lower open-front covers the upper bearing, a bearing neck of an upper bearing passes through the hole of the sound suppressor fixed on the upper bearing with screws, a gas flow pilot piece leading gas flow to exhaust horizontally above the exhaust outlet at the top surface o sound suppressor which is a dome shape shell with an open-end downward to one side, becoming one unit with the sound suppressor.
Description
Technical field
The present invention relates to compressor, particularly relate to the silencing apparatus of rotary compressor.
Background technique
Rotary compressor is widely used in various refrigerators, the air-conditioning, rotary compressor sucks the gaseous coolant through evaporator evaporation, after it is compressed to full resultant pressure, be discharged into the work system of refrigerant again, rotary compressor is the compressor that can suck and discharge refrigerant continuously.
Fig. 1 represents the sectional arrangement drawing and the refrigeration agent discharge flow graph of the rotary compressor of prior art; Fig. 2 represents the drawing in side sectional elevation of the rotary compressor of prior art; Fig. 3 represents the plan view of prior art silencing apparatus; The A-A sectional view of Fig. 4 presentation graphs 3;
As seen from Figure 1, rotary compressor has airtight casing 10, the stator 21 of rotary compressor motor and rotor 22 are installed in the top of casing 10, rotor 22 center fixed have eccentric shaft 30, there is balancer weight 23 at place, rotor 22 lower end surfaces, cylinder of compressor body 40 is positioned at the bottom of airtight casing 10, the eccentric shaft part 31 that eccentric shaft 30 is arranged in the cylindrical cylinder hole of cylinder block 40 central authorities, on the external cylindrical surface of eccentric shaft part 31 rolling rotor 41 is arranged, when eccentric shaft part 31 carries out the circular motion rotation with eccentric shaft 30 in cylinder-bore, rolling rotor 41 compressions enter the gaseous coolant in the cylinder block 40, also has the height of separation in the cylinder block, the blade of low pressure area refrigerant, on the cylinder block 40, the lower end surface is fixed with blanket gas cylinder body end face, and supports the upper bearing 51 and the lower bearing 52 of eccentric shaft 30 rotations.
In the side of airtight casing 10 sucking pipe 60 is arranged, sucking pipe 60 enters in the pressing chamber of compressor cylinder block 40 refrigerant.On the upper-end surface of upper bearing 51 by the drain tap (not shown) is housed, drain tap is discharged to the pressing chamber of refrigerant by cylinder block 40 in the silencing apparatus 80, again by being discharged in the silencing apparatus 80 in the airtight casing 10, there is outlet pipe 70 top of airtight casing 10, and outlet pipe 70 enters the refrigerant in the airtight casing 10 circulatory system of refrigerant.
Silencing apparatus 80 is installed above upper bearing 51, silencing apparatus 80 is the thin-walled case, profile is the middle porose oblate cylindricality of ring-type, the inner cavity that forms annular, lower openings, cover on upper bearing 51 tops, penetrate the necked part of upper bearing 51 in the hole in the middle of the silencing apparatus, silencing apparatus is fixed on the upper bearing 51 with screw 82.The upper-end surface of silencing apparatus 80 and upper bearing 51 surrounds cavity, and after being positioned at refrigerant that the drain tap of upper bearing upper-end surface discharges and entering the cavity of silencing apparatus 80, the exhaust port through silencing apparatus 80 enters in the airtight casing 10 again.
After the rolling rotor rotary compressor of said structure is connected power supply, rotor 22 rotations in the airtight casing 10, make eccentric shaft 30 and rolling rotor 41 rotations, compression enters the refrigerant of cylinder block 40 in cylinder block 40, when the refrigerant in the pressing chamber 41 reaches certain pressure, the drain tap that is installed in upper bearing 51 upper-end surfaces is opened, and compressed refrigerant enters silencing apparatus, and the exhaust port through silencing apparatus enters in the airtight casing 10 again.
The exhaust port of silencing apparatus is positioned at the upper-end surface of silencing apparatus, and its top is rotor rotated lower end surface and the balancer weight 23 that is positioned at rotor 22 lower end surfaces.
By existing compressor map 1 as can be seen, by the balancer weight 23 on the rotor 22 of the direct impact compress electromechanics of the refrigerant gas stream of silencing apparatus 2 discharges machine, M is the discharge direction of refrigerant gas stream, when compressor operating, rotor 22 high speed rotating, this has just produced refrigerant gas stream to the impact noise and the following balancer weight 23 of balancer weight are cut the noise that refrigerant gas stream produce down.
Summary of the invention
Technical problem to be solved by this invention is, a kind of silencing apparatus of rotary compressor is provided, and reduces the noise that refrigerant gas stream produces the impact noise and the balancer weight cutting refrigerant gas stream of balancer weight.The noise that mobile refrigerant is produced is effectively decayed, and reduces the intensity of noise greatly.
The technical solution adopted in the present invention is: the silencing apparatus of rotary compressor comprises silencing apparatus, silencing apparatus is the thin-walled case, profile is the middle porose oblate cylindricality of ring-type, the inner cavity that forms annular, lower openings, cover on the upper bearing top, penetrate the necked part of upper bearing in the hole in the middle of the silencing apparatus, silencing apparatus is screwed on upper bearing, screw hole is arranged on the silencing apparatus, the air flow guide that above the relief opening of rotary compressor silencing apparatus upper-end surface, has the steering flow substantially horizontal to discharge, air flow guide is the hemispherical shell to a side and lower opening, air flow guide and silencing apparatus are made one.
The side opening of described air flow guide is towards the airtight casing inner wall of compressor, and air flow guide and silencing apparatus are welded into one.
The main bearing of side opening on compressor pump of described air flow guide, air flow guide and silencing apparatus are welded into one.
The side opening of described air flow guide is towards the airtight casing inner wall of compressor, and air flow guide is the structure of directly making in the exhaust ports punching press of silencing apparatus upper-end surface with punch press.
Main bearing on the side opening compressor pump of described air flow guide, the structure that air flow guide is directly made in the exhaust ports punching press of silencing apparatus upper-end surface with punch press.
Beneficial effect of the present invention is: air flow guide guiding refrigerant gas stream is discharged direction, parallel with the lower plane of the balancer weight of rotor, no longer directly row cuts the noise of refrigerant gas stream thereby reduce refrigerant gas stream to the impact noise and the balancer weight of balancer weight to rotor.
Description of drawings
1. Fig. 1 represents the sectional arrangement drawing and the refrigeration agent discharge flow graph of the rotary compressor of prior art;
2. Fig. 2 represents the drawing in side sectional elevation of the rotary compressor of prior art;
3. Fig. 3 represents the plan view of prior art silencing apparatus;
4. the A-A sectional view of Fig. 4 presentation graphs 3;
5. Fig. 5 represents the sectional view of the first embodiment of the present invention;
6. Fig. 6 represents that C among first embodiment of the present invention Fig. 5 is to dwindling view;
7. Fig. 7 represents the sectional view of the second embodiment of the present invention;
8. Fig. 8 represents that D among second embodiment of the present invention Fig. 7 is to dwindling view;
9. Fig. 9 represents the sectional view of the third embodiment of the present invention;
10. Figure 10 represents that E among third embodiment of the present invention Fig. 9 is to dwindling view;
11. Figure 11 represents the sectional view of the fourth embodiment of the present invention;
12. Figure 12 represents that F among fourth embodiment of the present invention Figure 11 is to dwindling view;
13. Figure 13 represents the flow direction that the refrigeration agent of first embodiment of the invention rotary compressor is discharged from silencing apparatus;
14. Figure 14 represents the flow direction that the refrigeration agent of second embodiment of the invention rotary compressor is discharged from silencing apparatus;
15. Figure 15 a, b, c represent the first embodiment of the invention and second embodiment's effect chart;
In the drawings:
10. airtight casing 21. stators 22. rotors
30. eccentric shaft 31. eccentric shaft part 40. cylinder block
51. upper bearing 52. lower bearings
60. sucking pipe 70. outlet pipes 80. silencing apparatuss
100. silencing apparatus 100a. hole 100b. screw hole
100c. relief opening 101a, 101b, 101c, 101d. air flow guide
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: the silencing apparatus of rotary compressor, comprise silencing apparatus 100, silencing apparatus 100 is the thin-walled case, profile is the oblate cylindricality of the ring-type of middle porose 100a, the inner cavity that forms annular, lower openings, cover on upper bearing 51 tops, penetrate the necked part of upper bearing 51 in the hole in the middle of the silencing apparatus, silencing apparatus is fixed on the upper bearing 51 with screw 82, screw hole 100b is arranged on the silencing apparatus, the air flow guide that above rotary compressor silencing apparatus 100 upper-end surface relief opening 100c, has the steering flow substantially horizontal to discharge, air flow guide is the hemispherical shell to a side and lower opening, and air flow guide is made one with noise elimination 100.The refrigerant flow direction substantially horizontal that hemispherical shell is discharged silencing apparatus 100 has been avoided the rotor 22 and the balancer weight 23 of the direct impact high speed running of refrigerant gas stream, thereby has reduced the noise of compressor.
Fig. 5 represents the sectional view of the first embodiment of the present invention.Fig. 6 represents that C among first embodiment of the present invention Fig. 5 is to dwindling view.Air flow guide 101a is welded on the silencing apparatus 100, direction is towards airtight casing 10 inwalls of compressor, the refrigeration agent of discharging from silencing apparatus 100 flows to airtight casing 10 inwalls of compressor by the guiding of air flow guide 101a, avoid the rotor 22 and the balancer weight 23 of the direct impact high speed running of refrigerant gas stream, thereby reduced the noise of compressor.
Fig. 7 represents the sectional view of the second embodiment of the present invention.Fig. 8 represents that D among second embodiment of the present invention Fig. 7 is to dwindling view.Air flow guide 101b is welded on the silencing apparatus 100, the main bearing 51 of direction on compressor pump, the guiding of the refrigeration agent of discharging from silencing apparatus 100 by air flow guide 101b flows to the main bearing 51 on the pump housing, avoid the rotor 22 and the balancer weight 23 of the direct impact high speed running of refrigerant gas stream, thereby reduced the noise of rotary compressor.
Fig. 9 represents the sectional view of the third embodiment of the present invention.Figure 10 represents that E among third embodiment of the present invention Fig. 9 is to dwindling view.Air flow guide 101c is the structure of directly going out with punch press, direction is towards airtight casing 10 inwalls of compressor, then the refrigeration agent of discharging from silencing apparatus 100 flows to airtight casing 10 inwalls of compressor by the guiding of air flow guide 101c, avoid the rotor 22 and the balancer weight 23 of the direct impact high speed running of refrigerant gas stream, thereby reduced the noise of compressor.
Figure 11 represents the sectional view of the fourth embodiment of the present invention.Figure 12 represents that the F among fourth embodiment of the present invention Figure 11 is the structure that 101d directly goes out with punch press to dwindling the view air flow guide, the main bearing 51 of direction on compressor pump, then the guiding of the refrigeration agent of discharging from silencing apparatus 100 by air flow guide 101d flows to the main bearing 51 on the pump housing, avoid the rotor 22 and the balancer weight 23 of the direct impact high speed running of refrigerant gas stream, thereby reduced the noise of rotary compressor.Figure 13 represents the flow direction that the refrigeration agent of first embodiment of the invention rotary compressor is discharged from silencing apparatus.Figure 14 represents the flow direction that the refrigeration agent of second embodiment of the invention rotary compressor is discharged from silencing apparatus.
Effect of the present invention can be found out from experimental result picture 15-a, b, c, Figure 15-a is the spectrum curve figure of the noise intensity that records of the silencing apparatus of prior art, Figure 15-b is the spectrum curve figure of the noise intensity that records of the embodiment of the invention 1, and Figure 15-c is the spectrum curve figure of the noise intensity that records of the embodiment of the invention 2.Comparison diagram 7-a, b, c as can be known, total level of noise of prior art is 60dB (A), total level of noise of embodiment 1 is 58.9dB (A), total level of noise of embodiment 2 is 57.8dB (A), has reduced by 1.1 and 2.2dB (A) than prior art respectively.In a word, because refrigerant gas stream is discharged the change of direction, reduced refrigerant gas stream to the impact noise of balancer weight and the noise of balancer weight cutting refrigerant gas stream, thereby reduced the compressor overall noise.
Claims (5)
1. the silencing apparatus of a rotary compressor, comprise silencing apparatus (100), silencing apparatus (100) is the thin-walled case, profile is the oblate cylindricality of ring-type of middle porose (100a), the inner cavity that forms annular, lower openings, cover on upper bearing (51) top, penetrate the necked part of upper bearing (51) in the hole in the middle of the silencing apparatus, silencing apparatus is fixed on the upper bearing (51) with screw (82), screw hole (100b) is arranged on the silencing apparatus, it is characterized in that: the air flow guide that has the steering flow substantially horizontal to discharge in the top of rotary compressor silencing apparatus (100) upper-end surface relief opening (100c), air flow guide is the hemispherical shell to a side and lower opening, and air flow guide and silencing apparatus (100) are made one.
2. the silencing apparatus of rotary compressor according to claim 1 is characterized in that: the side opening of air flow guide (101a) is towards the airtight casing of compressor (10) inwall, and air flow guide (101a) is welded into one with silencing apparatus (100).
3. the silencing apparatus of rotary compressor according to claim 1 is characterized in that: the main bearing of side opening on compressor pump of air flow guide (101b), air flow guide (101b) is welded into one with silencing apparatus (100).
4. the silencing apparatus of rotary compressor according to claim 1, it is characterized in that: the side opening of air flow guide (101c) is towards the airtight casing of compressor (10) inwall, and air flow guide (101c) is directly to use punch press to locate the structure that punching press is made at silencing apparatus (100) upper-end surface relief opening (100c).
5. the silencing apparatus of rotary compressor according to claim 1, it is characterized in that: the main bearing on the side opening compressor pump of air flow guide (101d), air flow guide (101d) are directly to use punch press to locate the structure that punching press is made at silencing apparatus (100) upper-end surface relief opening (100c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130505 CN1580572A (en) | 2003-07-30 | 2003-07-30 | Silencer of rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130505 CN1580572A (en) | 2003-07-30 | 2003-07-30 | Silencer of rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1580572A true CN1580572A (en) | 2005-02-16 |
Family
ID=34578912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03130505 Pending CN1580572A (en) | 2003-07-30 | 2003-07-30 | Silencer of rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1580572A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438005A (en) * | 2013-08-21 | 2013-12-11 | 广东美芝制冷设备有限公司 | Rotary compressor and muffler thereof |
| CN104696222A (en) * | 2015-03-03 | 2015-06-10 | 广东美芝制冷设备有限公司 | Compressor |
| CN108050072A (en) * | 2017-12-05 | 2018-05-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor sound attenuation assembly, compressor and air conditioner |
| CN114294232A (en) * | 2021-12-30 | 2022-04-08 | 西安交通大学 | Oil separation device capable of reducing oil discharge rate and rotary compressor |
-
2003
- 2003-07-30 CN CN 03130505 patent/CN1580572A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438005A (en) * | 2013-08-21 | 2013-12-11 | 广东美芝制冷设备有限公司 | Rotary compressor and muffler thereof |
| CN104696222A (en) * | 2015-03-03 | 2015-06-10 | 广东美芝制冷设备有限公司 | Compressor |
| CN104696222B (en) * | 2015-03-03 | 2017-05-31 | 广东美芝制冷设备有限公司 | Compressor |
| CN108050072A (en) * | 2017-12-05 | 2018-05-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor sound attenuation assembly, compressor and air conditioner |
| CN108050072B (en) * | 2017-12-05 | 2023-12-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor noise elimination subassembly, compressor and air conditioner |
| CN114294232A (en) * | 2021-12-30 | 2022-04-08 | 西安交通大学 | Oil separation device capable of reducing oil discharge rate and rotary compressor |
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