CN100339599C - Apparatus for decreasing vortex compressor noise - Google Patents
Apparatus for decreasing vortex compressor noise Download PDFInfo
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- CN100339599C CN100339599C CNB021581444A CN02158144A CN100339599C CN 100339599 C CN100339599 C CN 100339599C CN B021581444 A CNB021581444 A CN B021581444A CN 02158144 A CN02158144 A CN 02158144A CN 100339599 C CN100339599 C CN 100339599C
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- valve cover
- guide channel
- compression
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Abstract
The present invention discloses a device for decreasing the noise of a vortex compressor. The present invention is installed on the upper end of an outlet for a fixed vortex. A check valve assembly which restricts the discharge of compressed cooling media comprises a spherical inhibition valve at the upper end which opens or closes a discharge port for restricting the discharge of compressed cooling media. The check valve assembly is composed of a valve shield, a spherical inhibition valve which opens or closes a discharge port, and a valve cover, wherein the valve shield is installed on the upper end of the discharge port for a fixed vortex and a guide channel which guides the inhibition valve is formed inside the valve shield; the spherical inhibition valve is arranged in the valve shield, can be guided by the guide channel of the valve shield and can slide in the guide channel; the valve cover is installed on the upper side of the valve shield and can prevent the inhibition valve from bounding out. The present invention can reduce noise which is generated in a way that the inhibition valve and a fixed vortex which forms a discharge port mutually impact.
Description
Technical field
The present invention relates to scroll compressor, when especially working, reduce the device of the reduction scroll compressor noise of the noise that collides with that produces with fixed eddy plate for the check valve assembly body of installing in the contrary rotation that prevents scroll compressor.
Background technique
In general, scroll compressor is a kind of of rotary compressor, is two scroll elements that match interlocking compressors with vortex motion compression refrigerant volume.Such compressor and freeze ability is in the 2500-4300kcal scope.In order to improve scroll compressor efficient, scroll element is carried out tolerance add needs precision completely just in man-hour.Along with the develop rapidly of manufacturing technology, the high-precision possibility that is processed into is in mechanically scroll compressor conduct cooling parts uses widely such as air-conditionings.Scroll compressor is little compared with reciprocating motion type or rotary compressor change in torque, does not have inhaling valve or discharge valve, and the Sliding velocity of compression member is also very slow.Advantages such as the leakage with compressor operating refrigerant is little, and components number is few.Have lot of advantages such as high efficiency, low noise, low vibrations.
As depicted in figs. 1 and 2, general scroll compressor is the case 10 that is formed confined space by inside; Be installed on case inside, the press part 20 of compression refrigerant; Provide the motor part 50 of driving force to constitute to press part 20.One side of case 10 is formed with suction pipe 11 that sucks refrigerant from the outside and the discharge tube 12 of discharging the refrigerant of compression.
Above-mentioned press part 20 is by possessing the fixed eddy plate of staggered shape sheet 22 to be arranged, central part is formed with the exhaust port 23 of the refrigerant that can discharge compression, be fixedly installed in the fixed eddy plate 21 of case 10 inside, have 25 formations of rotation whirlpool dish of the rotation whirlpool disc 26 that is both staggered shape that corresponds to fixed eddy plate sheet 22 and form.Said fixing whirlpool disc 22 and rotation whirlpool disc 26 are inlayed mutually with the phase differences of 180 degree, form the space of meniscus shape.Above-mentioned space forms 4 compression volume P2 simultaneously.
In addition, the upside of said fixing whirlpool dish 21 is equipped with the high low pressure separating plate 24 that the inner space of case 10 can be divided into high pressure side P3 and low voltage side P1.The upside of exhaust port 23 is equipped with to be breaking at and compresses the check valve assembly body 40 of back adverse current to the refrigerant of compression volume P2 inside among the P3 of high pressure side.
Above-mentioned check valve assembly body 40 is by valve cover 42, and what be provided with in valve cover 42 can be led by valve cover 42, and the columnar safety check 41 that slides within it constitutes.
Above-mentioned motor part 50 is by the stator 51 that is fixed on case 10 inside, electromagnetic force is transformed to the rotor 52 of rotating force in the inside of stator 51, the rotating force of rotor 52 is sent to the running shaft 53 that rotates whirlpool dish 25, and the O that is installed between running shaft 53 and the rotation whirlpool dish 25 that the rotation motion of running shaft 53 can be changed to vortex motion encircles 54 formations.
Working principle by the scroll compressor that above mechanical part constituted is as follows:
In case power supply supplies to motor part 50, rotor 52 will rotate with the interaction that is installed on the rotor 52 of said stator 51 inside owing to the stator 51 of motor part 50.Rotating force will be sent to running shaft 53.The running shaft 53 that rotates will be installed in the O ring 54 on running shaft 53 tops, and the rotation motion that self is original is changed to vortex motion, thus the rotation whirlpool of drive compression portion 20 dish 25.
Above-mentioned rotation whirlpool dish 25 will be the center with the running shaft, carry out relative vortex motion with fixed eddy plate 21.In the vortex motion process, the compression volume P2 of meniscus shape can form continuously.The compression volume P2 of meniscus shape its volume more outward is big more, and nearly its volume of decentre is more little more.Therefore, the central part of the past more fixed eddy plate 21 of refrigerant that sucks via suction pipe 11 moves its volume will be more little, thus the compression of the refrigerant of realizing.There is suction chamber the outside of press part 20, and central part has exhaust port 23, therefore can suck refrigerant and also discharge by exhaust port 23 the compression back.
After compression was carried out, the safety check 41 of check valve assembly body 40 will be owing to the pressure difference side back open row outlet 23 of sliding that makes progress, will be mobile to high pressure side P3 by exhaust port 23 through the refrigerant of overcompression.The refrigerant that compresses among the P3 of high pressure side will separate with low voltage side P1 owing to high low pressure separating plate 24.Compression refrigerant among the P3 of high pressure side is discharged to case 10 outsides by discharge tube 12 again.In addition, in case scroll compressor quits work, above-mentioned safety check 41 slides downward side, blocks exhaust port 23, and then has prevented the adverse current of refrigerant.
But, in the scroll compressor of above-mentioned prior art, increase if suck to press and discharge the ratio of pressing, exhaust port 23 tops that then can make the safety check 41 that prevents the contrary rotating check valve assembly body 40 of scroll compressor firmly clash into fixed eddy plate 21, thus produce the noise that collides with.In addition, if the incorrect words of circularity of the valve cover 42 of guiding safety check 41, above-mentioned safety check 41 will double swerve when pumping.Thereby, the problem of exhaust port 23 can appear correctly opening and closing.
Summary of the invention
Technical problem to be solved by this invention provides a kind of structure that improves the check valve assembly body of the adverse current of compressing the refrigerant of discharging the back, the noise that collides with when reducing the work of check valve assembly body, the device of the reduction scroll compressor noise of the reliability of raising product.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of device that reduces the scroll compressor noise, described scroll compressor comprise the case that forms airtight inner space; Be fixed in the inboard of case and be formed with the fixed eddy plate of exhaust port; Do relative vortex motion with fixed eddy plate, in the middle of relative movement, form continuous compression volume simultaneously, thus the rotation whirlpool of compression refrigerant dish; Be installed on the exhaust port upper end of fixed eddy plate, the check valve assembly body of the refrigerant discharge of compression is finished in restriction; Described check valve assembly body is the upper end portion by the exhaust port that is installed in fixed eddy plate, and inside is formed with the valve cover of the guide channel of guiding safety check; What be provided with in the valve cover can be led by the guide channel of valve cover, and the safety check of the spheroidal of the switching exhaust port that slides within it; Be installed in the upside of valve cover, prevent that the valve cover that safety check ejects from constituting, and the interior guide channel of described valve cover approaches the exhaust port direction more, the internal diameter of guide channel is more little.
The device of reduction scroll compressor noise of the present invention, the safety check that opens and closes the exhaust port of discharging compression refrigerant is the ball shape, by the relative vortex rotation compression refrigerant of fixed eddy plate with rotation whirlpool dish.Simultaneously, when guiding the guide channel front projection of above-mentioned safety check, its shape is that two sidewalls are formed inclinedly.Like this, when safety check moves up and down along guide channel, will contact with linear contact of the sidewall of guide channel with point.Compare with the face contacting structure of having only in the past, can promptly brake, therefore improve compression efficiency.In addition,, compare, when colliding, can reduce and collide noise, therefore improve the product reliability with face contacting structure in the past because the upper end portion of safety check and exhaust port is linear the contact.
Description of drawings
Fig. 1 is the part sectional arrangement drawing of general scroll compressor.
Fig. 2 is the part details drawing that the upper end portion of the scroll compressor fixed eddy plate among Fig. 1 is equipped with the check valve assembly body.
Fig. 3 is the in-built sectional arrangement drawing of scroll compressor that embodiments of the invention are equipped with the device that reduces the scroll compressor noise.
Fig. 4 is the part details drawing that the fixed eddy plate upper end portion of the scroll compressor represented among Fig. 3 is equipped with the check valve assembly body.
Among the figure, 140: the check valve assembly body; 141: the valve cover; 141a: guide channel; 142: safety check; 143: valve cover.
Embodiment
Be described in further detail below in conjunction with the device of the drawings and specific embodiments reduction scroll compressor noise of the present invention:
Shown in Fig. 3,4, in the device of reduction scroll compressor noise in an embodiment of the present invention, the same Fig. 1 of the explanation of these mechanical parts is omitted in the case 10 identical with in the past structure, the explanation of motor part 50.
The device that reduces the scroll compressor noise in the embodiments of the invention is by the case 10 that forms confined space in inside, is installed on the press part 20 of case internal compression refrigerant, provides the motor part 50 of driving force to constitute to press part 20.Be arranged on exhaust port 23 upsides of the fixed eddy plate 21 of press part 20, the check valve assembly body 140 that flows into compression volume P2 after the refrigerant adverse current that prevents to compress among the P3 of high pressure side is installed.
Above-mentioned check valve assembly body 140 is the upper end portions by the exhaust port 23 that is installed in fixed eddy plate 21, and inside is formed with the valve cover 141 of guide channel 141a; What be provided with in valve cover 141 can be led by the guide channel 141a of valve cover 141, and the safety check 142 of the spheroidal of the switching exhaust port 23 that slides within it; Be installed in the upside of valve cover 141, prevent that the valve cover 143 of the ejection of safety check 142 from constituting.And the guide channel 141a in the valve cover 141 approaches exhaust port 23 directions more, and the internal diameter of guide channel 141a is more little.
The working procedure of above-mentioned scroll compressor is as follows:
In case power supply supplies to motor part 50, rotor 52 will rotate with the interaction that is installed on the rotor 52 of said stator 51 inside owing to the stator 51 of motor part 50.Rotating force will be sent to running shaft 53.The running shaft 53 that rotates will be owing to the O ring 54 that is installed in running shaft 53 tops, and the rotation motion that self is original is changed to vortex motion, thus the rotation whirlpool of drive compression portion 20 dish 25.
Above-mentioned rotation whirlpool dish 25 will be the center with the running shaft, and fixed eddy plate 21 is carried out relative vortex motion.In such vortex motion process, the compression volume P2 of meniscus shape will form continuously.The compression volume P2 of meniscus shape its volume more outward is big more, and nearly its volume of decentre is more little more.Therefore, the central part of the past more fixed eddy plate 21 of refrigerant that sucks via suction pipe 11 moves its volume will be more little, thus the compression of the refrigerant of realizing.There is suction chamber the outside of press part 20, and central part has exhaust port 23, therefore can suck refrigerant and also discharge by exhaust port 23 the compression back.
After compression is carried out, the safety check 142 of check valve assembly body 140 will slide along the guide channel 141a of valve cover 141 side that makes progress owing to pressure difference, thus open row outlet 23.The refrigerant of compression will flow to high pressure side P3 by exhaust port 23, and the refrigerant that compresses among the P3 of high pressure side will separate with low voltage side P1 owing to high low pressure separating plate 24.Compression refrigerant is discharged toward case 10 outsides by discharge tube 12 again among the P3 of high pressure side.In addition, in case scroll compressor quits work, above-mentioned safety check 142 will slide along the downward side of the guide channel 141a of above-mentioned valve cover 141 because of deadweight.Thereby blocked exhaust port 23, successfully prevented the adverse current of refrigerant.
In the device of aforesaid reduction scroll compressor noise of the present invention, the safety check 142 of spheroidal shape can slide up and down along the guide channel 141a that forms in valve cover 141.Safety check 142 its structures of spheroidal shape are to help opening and closing the exhaust port 23 that forms on the fixed eddy plate 21.When scroll compressor was worked, the safety check 142 of blocking exhaust port 23 was because of discharging up side shifting of pressure.At this moment, because valve cover 143 exists, safety check 142 will can not break away from the inside of valve cover 141.While, exhaust port 23 will be opened owing to safety check 142 moves up.
And when the work of scroll compressor stopped, safety check 142 will can be toward lower slider owing to its deadweight and pressure difference, and then can block exhaust port 23.In a single day exhaust port 23 is plugged, and just can prevent that the refrigerant adverse current of high pressure from making rotation whirlpool dish 26 contrary rotating phenomenons.
At this moment, safety check is the ball shape.When guiding the guide channel 141a front projection of safety check 142, its shape is that two sidewalls are formed inclinedly.When safety check 142 moves up and down, will contact with linear contact of the sidewall of guide channel 141a with point.Therefore, compare, can brake rapidly with the face contacting structure of having only in the past.And, because the upper end portion of safety check 142 and exhaust port 23 is linear contacts.Compare with face contacting structure in the past, when colliding, can reduce and collide noise.
Claims (1)
1, a kind of device that reduces the scroll compressor noise, described scroll compressor comprise the case that forms airtight inner space; Be fixed in the inboard of case and be formed with the fixed eddy plate of exhaust port; Do relative vortex motion with fixed eddy plate, in the middle of relative movement, form continuous compression volume simultaneously, thus the rotation whirlpool of compression refrigerant dish; Be installed on the exhaust port upper end of fixed eddy plate, the check valve assembly body of the refrigerant discharge of compression is finished in restriction; It is characterized in that described check valve assembly body (140) is the upper end portion by the exhaust port that is installed in fixed eddy plate (21) (23), inside is formed with the valve cover (141) of the guide channel (141a) of guiding safety check (142); What be provided with in valve cover (141) can be led by the guide channel of valve cover (141) (141a), and the safety check (142) of the spheroidal of the switching exhaust port (23) that slides within it; Be installed in the upside of valve cover (141), prevent that the valve cover (143) that safety check (142) ejects from constituting, and the interior guide channel (141a) of valve cover (141) approaches exhaust port (23) direction more, the internal diameter of guide channel (141a) is more little.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021581444A CN100339599C (en) | 2002-12-25 | 2002-12-25 | Apparatus for decreasing vortex compressor noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021581444A CN100339599C (en) | 2002-12-25 | 2002-12-25 | Apparatus for decreasing vortex compressor noise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1510278A CN1510278A (en) | 2004-07-07 |
| CN100339599C true CN100339599C (en) | 2007-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021581444A Expired - Fee Related CN100339599C (en) | 2002-12-25 | 2002-12-25 | Apparatus for decreasing vortex compressor noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100339599C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106609758B (en) * | 2015-10-27 | 2019-06-11 | 丹佛斯（天津）有限公司 | Gas exhaust valve and compressor with gas exhaust valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11182480A (en) * | 1997-12-16 | 1999-07-06 | Tokico Ltd | Rotary compressor |
| US6132191A (en) * | 1998-05-15 | 2000-10-17 | Scroll Technologies | Check valve for scroll compressor |
| US6171084B1 (en) * | 1999-01-26 | 2001-01-09 | Copeland Corporation | Discharge valve |
| US6217302B1 (en) * | 2000-02-24 | 2001-04-17 | Scroll Technologies | Floating seal bias for reverse fun protection in scroll compressor |
| US6390792B1 (en) * | 2001-01-23 | 2002-05-21 | Rechi Precision Co., Ltd. | Venting passage for isolation block of scroll compressor and check valve for the same |
-
2002
- 2002-12-25 CN CNB021581444A patent/CN100339599C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11182480A (en) * | 1997-12-16 | 1999-07-06 | Tokico Ltd | Rotary compressor |
| US6132191A (en) * | 1998-05-15 | 2000-10-17 | Scroll Technologies | Check valve for scroll compressor |
| US6171084B1 (en) * | 1999-01-26 | 2001-01-09 | Copeland Corporation | Discharge valve |
| US6217302B1 (en) * | 2000-02-24 | 2001-04-17 | Scroll Technologies | Floating seal bias for reverse fun protection in scroll compressor |
| US6390792B1 (en) * | 2001-01-23 | 2002-05-21 | Rechi Precision Co., Ltd. | Venting passage for isolation block of scroll compressor and check valve for the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1510278A (en) | 2004-07-07 |
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Granted publication date: 20070926 Termination date: 20141225 |
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