KR19990047609A - Muffler device of hermetic rotary compressor - Google Patents
Muffler device of hermetic rotary compressor Download PDFInfo
- Publication number
- KR19990047609A KR19990047609A KR1019970066086A KR19970066086A KR19990047609A KR 19990047609 A KR19990047609 A KR 19990047609A KR 1019970066086 A KR1019970066086 A KR 1019970066086A KR 19970066086 A KR19970066086 A KR 19970066086A KR 19990047609 A KR19990047609 A KR 19990047609A
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- main bearing
- cylinder
- rotary compressor
- muffler
- upper portion
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/061—Silencers using overlapping frequencies, e.g. Helmholtz resonators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
본 발명에 의한 밀폐형 회전식 압축기의 머플러장치는 냉매가 압축되는 실린더와, 상기 실린더의 상부에 체결되는 메인베어링과, 상기 메인베어링의 상부에 복개되어 메인베어링을 통과한 압축냉매의 소음을 저감하는 머플러를 포함하여 구성된 밀폐형 회전식 압축기에 있어서, 상기 덮개의 상면에 다수개의 토출소공을 방사형으로 형성하므로, 실린더로부터 토출된 가스의 압력맥동 성분을 크게 줄여 소음저감에 유리할 뿐만 아니라 기존의 팽창성을 덮개보다 더 넓은 소음저감 효과를 얻을 수 있도록 하였다.The muffler device of the hermetic rotary compressor according to the present invention is a muffler which reduces a noise of a cylinder into which a refrigerant is compressed, a main bearing fastened to an upper portion of the cylinder, and a compressed refrigerant that is covered by an upper portion of the main bearing and passes through the main bearing. In the closed rotary compressor comprising a plurality of discharge holes in the radially formed on the upper surface of the cover, greatly reducing the pressure pulsation component of the gas discharged from the cylinder, which is advantageous in reducing noise and more expandable than the existing cover Wide noise reduction effect can be obtained.
Description
본 발명은 밀폐형 회전식 압축기의 머플러장치에 관한 것으로, 특히 실린더로부터 토출된 가스의 압력맥동 성분을 크게 줄여 소음저감에 유리할 뿐만 아니라 기존의 팽창형 덮개보다 더 넓은 소음저감 효과를 얻을 수 있도록 한 밀폐형 회전식 압축기의 머플러장치에 관한 것이다.The present invention relates to a muffler device of a hermetic rotary compressor, and in particular, the pressure pulsation component of the gas discharged from the cylinder is greatly reduced, which is advantageous for noise reduction, and a hermetic rotary type that can obtain a wider noise reduction effect than the conventional inflatable cover. It relates to a muffler device of a compressor.
일반적으로 밀폐형 회전식 압축기의 압축부는 도 1에 도시한 바와 같이, 냉매를 흡입하고, 압축하는 공간인 실린더(1)와, 상기 실린더(1)내를 회전하면서 흡입된 냉매를 압축하는 롤러(5)와, 상기 실린더(1)의 상부에 결합되는 메인베어링(2) 및 실린더(1)의 하부에 결합되는 서브베어링(7)과, 상기 롤러(5)에 의해 압축된 냉매를 메인베어링(2)의 상부로 배출하는 베어링 토출구와, 상기 메인베어링(2)의 상부에 복개되는 머플러(3)로 구성된다. 도면중 미설명 부호 4는 크랭크 샤프트를 나타내고, 8은 고정자를 나타내며, 9는 상기 크랭크 샤프트를 구동하는 회전자를 나타내고, 10은 어큐뮬레이터를 나타낸다.Generally, as shown in FIG. 1, the compression unit of the hermetic rotary compressor includes a cylinder 1 which is a space for sucking and compressing a refrigerant, and a roller 5 for compressing the sucked refrigerant while rotating in the cylinder 1. And a main bearing 2 coupled to an upper portion of the cylinder 1, a sub bearing 7 coupled to a lower portion of the cylinder 1, and a refrigerant compressed by the roller 5 to the main bearing 2. The bearing discharge port discharged to the upper portion of the, and the muffler (3) is covered on the upper portion of the main bearing (2). In the figure, reference numeral 4 denotes a crankshaft, 8 denotes a stator, 9 denotes a rotor for driving the crankshaft, and 10 denotes an accumulator.
이와 같이 구성된 밀폐형 회전식 압축기의 압축부 동작은 다음과 같다. 실린더(1)내로 흡입된 냉매는 크랭크 샤프트(4)와 편심 연결된 롤러(5)의 회전에 의해 실린더(1) 내에서 압축되고, 상기 압축된 냉매는 메인베어링(2)의 일측에 형성된 베어링 토출구를 통해 배출되고, 상기 메인베어링(2)의 상부로 배출된 냉매는 메인베어링(2) 상부의 머플러(3)를 통해 압축기의 주소음원인 압축가스의 맥동음과 압축된 유체의 광대역 유체음이 저감되어, 최종 머플러 토출구(11)를 통해서 압축실을 빠져 나가게 된다.Compression unit operation of the hermetic rotary compressor configured as described above is as follows. The refrigerant sucked into the cylinder (1) is compressed in the cylinder (1) by the rotation of the roller (5) eccentrically connected to the crankshaft (4), the compressed refrigerant is discharged to the bearing formed on one side of the main bearing (2) The refrigerant discharged through the upper portion of the main bearing (2) is a pulsation sound of compressed gas, which is the address sound source of the compressor, and the broadband fluid sound of the compressed fluid through the muffler (3) above the main bearing (2). It is reduced and exits the compression chamber through the final muffler discharge port 11.
머플러의 작용을 도 2 및 도 3을 참조로 상술하면, 실린더 내에서 압축된 가스는 메인베어링을 덮는 덮개(12)의 토출공(15)을 통해 머플러(3) 내부로 방출되고, 상기 방출된 가스는 베어링 단면에 가동된 공명홈(13)과 상기 덮개(12)가 결합되어 공간을 형성한 헬름 홀쯔 공명기로 유입되어, 소음이 저감되고, 상기 맥동음이 저감된 가스는 머플러(3) 상부의 토출공(11)을 통해 토출되게 된다. 도면중 부호 14는 공명홈과 연통하도록 덮개에 형성한 연결구멍을 나타내고, 16은 메인베어링 상부의 토출밸브를 나타낸다.2 and 3, the gas compressed in the cylinder is discharged into the muffler 3 through the discharge hole 15 of the cover 12 which covers the main bearing. Gas is introduced into the Helm Holtz resonator formed by the resonance groove 13 and the cover 12 coupled to the bearing cross-section to form a space, and the noise is reduced, the gas pulsation noise is reduced the upper portion of the muffler (3) It is discharged through the discharge hole 11 of. In the figure, reference numeral 14 denotes a connection hole formed in the cover so as to communicate with the resonance groove, and 16 denotes a discharge valve on the upper part of the main bearing.
그러나, 이러한 종래의 기술에서는 공명홈(13)에 의한 소음저감의 주파수 대역이 좁을 뿐만 아니라, 토출가스의 압력맥동성분의 흡수능력이 제한적이어서, 광대역의 소음을 저감하기는 힘든 문제점이 있다.However, in this conventional technique, not only the frequency band of noise reduction by the resonance groove 13 is narrow, but also the absorption capacity of the pressure pulsation component of the discharge gas is limited, which makes it difficult to reduce the noise of broadband.
따라서, 본 발명의 목적은 상기와 같은 문제점을 고려하여 안출한 것으로, 실린더로부터 토출된 가스의 압력맥동 성분을 크게 줄여 소음저감에 유리할 뿐만 아니라 기존의 팽창형 덮개보다 더 넓은 소음저감 효과를 얻을 수 있도록 한 밀폐형 회전식 압축기의 머플러장치를 제공함에 있다.Therefore, an object of the present invention is to devise in consideration of the above problems, it is advantageous to reduce the noise by greatly reducing the pressure pulsation component of the gas discharged from the cylinder and can obtain a wider noise reduction effect than the conventional inflatable cover To provide a muffler device of a hermetic rotary compressor.
도 1은 일반적인 밀폐형 회전식 압축기를 나타내는 단면도.1 is a cross-sectional view showing a general hermetic rotary compressor.
도 2는 종래의 기술에 의한 압축기의 메인베어링을 나타내는 사시도.2 is a perspective view showing a main bearing of a conventional compressor.
도 3은 도 2의 B-B선 단면도.3 is a cross-sectional view taken along the line B-B in FIG.
도 4는 본 발명에 의한 압축기의 메인베어링을 나타내는 평면도.4 is a plan view showing a main bearing of the compressor according to the present invention;
도 5는 도 4의 A-A선 단면도.5 is a cross-sectional view taken along the line A-A of FIG.
도 6은 본 발명에 의한 압축기의 덮개를 나타내는 평면도.6 is a plan view showing a lid of the compressor according to the present invention.
도 7은 본 발명에 의한 압축기의 메인베어링에 덮개를 조립한 상태를 나타내는 평면도.7 is a plan view showing a state in which the cover is assembled to the main bearing of the compressor according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 실린더4 : 크랭크 샤프트1: cylinder 4: crankshaft
5 : 롤러31 : 메인베어링5: roller 31: main bearing
40 : 덮개41 : 토출소공40: cover 41: discharge pore
이러한, 본 발명의 목적은 냉매가 압축되는 실린더와, 상기 실린더의 상부에 체결되는 메인베어링과, 상기 메인베어링의 상부에 복개되어 메인베어링을 통과한 압축냉매의 소음을 저감하는 머플러를 포함하여 구성된 밀폐형 회전식 압축기에 있어서, 상기 덮개의 상면에 다수개의 토출소공을 방사형으로 형성함으로써 달성된다.The object of the present invention comprises a cylinder in which a refrigerant is compressed, a main bearing fastened to an upper portion of the cylinder, and a muffler that reduces the noise of a compressed refrigerant that is covered by an upper portion of the main bearing and passes through the main bearing. In a hermetic rotary compressor, it is achieved by radially forming a plurality of discharge holes in the upper surface of the lid.
이하, 본 발명에 의한 밀폐형 회전식 압축기의 머플러장치를 첨부도면에 도시한 실시예에 따라서 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the muffler apparatus of the hermetic rotary compressor by this invention is demonstrated according to the Example shown in an accompanying drawing.
도 4는 본 발명에 의한 압축기의 메인베어링을 나타내는 평면도이고, 도 5는 도 4의 A-A선 단면도이며, 도 6은 본 발명에 의한 압축기의 덮개를 나타내는 평면도이고, 도 7은 본 발명에 의한 압축기의 메인베어링에 덮개를 조립한 상태를 나타내는 평면도를 각각 보인 것이다.Figure 4 is a plan view showing a main bearing of the compressor according to the present invention, Figure 5 is a cross-sectional view taken along the line AA of Figure 4, Figure 6 is a plan view showing a cover of the compressor according to the present invention, Figure 7 is a compressor according to the present invention A plan view showing a state in which the cover is assembled to the main bearing of each is shown.
이에 도시한 바와 같이, 본 발명에 의한 밀폐형 회전식 압축기의 머플러장치는 냉매가 압축되는 실린더와, 상기 실린더의 상부에 체결되는 메인베어링과, 상기 메인베어링 상면의 공명홈을 덮는 덮개와, 상기 메인베어링의 상부에 복개되어 메인베어링을 통과한 압축냉매의 소음을 저감하는 머플러를 포함하여 구성된 밀폐형 회전식 압축기에 있어서, 상기 공명홈을 메인베어링의 토출밸브 타측에 넓게 형성하고, 상기 덮개(40)의 상면에 다수개 토출소공(41)을 방사형으로 형성한다.As shown in the drawing, the muffler device of the hermetic rotary compressor according to the present invention includes a cylinder in which a refrigerant is compressed, a main bearing fastened to an upper portion of the cylinder, a cover covering a resonance groove on an upper surface of the main bearing, and the main bearing. In the closed rotary compressor comprising a muffler to reduce the noise of the compressed refrigerant passed through the main bearing is covered on the top of the, the resonance groove is formed on the other side of the discharge valve of the main bearing wide, the upper surface of the lid 40 A plurality of discharge holes 41 are formed radially.
이와 같이 형성된 본 발명에 의한 밀폐형 회전식 압축기의 작용효과를 설명하면 다음과 같다.Referring to the operation and effect of the hermetic rotary compressor according to the present invention formed as described above are as follows.
전원이 공급되면 회전자(9)가 회전을 하여, 크랭크 샤프트(4)와 롤러(5)를 회전시켜 연속적으로 흡입, 압축, 토출과정을 수행하게 된다. 토출과정에서 토출된 가스는 도 4와 같이 베어링(31) 상부의 가공된 공명홈(32)에 다수개의 토출소공(41)을 형성하여 복개한 덮개(40)에 의해 반사특성과 구멍에서 소리에너지가 열에너지로 소산되는 흡음특성과, 상기 토출소공에서 압력맥동성분이 저감되어 밀폐 용기 내부로 방출되게 된다. 또한 상기 토출소공(41)이 방사형으로 형성되어 균일한 소음저감을 이루도록 하였다.When the power is supplied, the rotor 9 rotates to rotate the crankshaft 4 and the roller 5 to continuously perform suction, compression, and discharge processes. Gas discharged during the discharge process is formed by a plurality of discharge holes 41 formed in the processed resonance groove 32 in the upper part of the bearing 31 as shown in Fig. The sound absorption characteristics dissipated by the heating energy and the pressure pulsation component in the discharge pores are reduced to be discharged into the sealed container. In addition, the discharge pore 41 is formed radially to achieve a uniform noise reduction.
이상에서 설명한 바와 같이, 본 발명에 의한 밀폐형 회전식 압축기의 머플러장치는 냉매가 압축되는 실린더와, 상기 실린더의 상부에 체결되는 메인베어링과, 상기 메인베어링에 넓게 형성한 공명홈을 덮는 덮개와, 상기 메인베어링의 상부에 복개되어 메인베어링을 통과한 압축냉매의 소음을 저감하는 머플러를 포함하여 구성된 밀폐형 회전식 압축기에 있어서, 상기 덮개의 상면에 다수개의 토출소공을 방사형으로 형성하므로, 실린더로부터 토출된 가스의 압력맥동 성분을 크게 줄여 소음저감에 유리할 뿐만 아니라 기존의 팽창형 덮개보다 더 넓은 소음저감 효과를 얻을 수 있도록 한 효과가 있다.As described above, the muffler device of the hermetic rotary compressor according to the present invention includes a cylinder in which a refrigerant is compressed, a main bearing fastened to an upper portion of the cylinder, a cover covering a resonance groove widely formed in the main bearing, and the In the closed rotary compressor comprising a muffler which is covered on the upper part of the main bearing to reduce the noise of the compressed refrigerant passing through the main bearing, a plurality of discharge pores radially formed on the upper surface of the cover, so that the gas discharged from the cylinder It greatly reduces the pressure pulsation component, which is beneficial to noise reduction, and has the effect of obtaining a wider noise reduction effect than the existing inflatable cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970066086A KR100259925B1 (en) | 1997-12-05 | 1997-12-05 | Muffler for hermetic rotary compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970066086A KR100259925B1 (en) | 1997-12-05 | 1997-12-05 | Muffler for hermetic rotary compressor |
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| KR19990047609A true KR19990047609A (en) | 1999-07-05 |
| KR100259925B1 KR100259925B1 (en) | 2000-06-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019093647A1 (en) * | 2017-11-09 | 2019-05-16 | 삼성전자주식회사 | Compressor |
-
1997
- 1997-12-05 KR KR1019970066086A patent/KR100259925B1/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019093647A1 (en) * | 2017-11-09 | 2019-05-16 | 삼성전자주식회사 | Compressor |
| KR20190052937A (en) * | 2017-11-09 | 2019-05-17 | 삼성전자주식회사 | Compressor |
| CN111315993A (en) * | 2017-11-09 | 2020-06-19 | 三星电子株式会社 | Compressor with a compressor housing having a plurality of compressor blades |
| US11598338B2 (en) | 2017-11-09 | 2023-03-07 | Samsung Electronics Co., Ltd. | Compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100259925B1 (en) | 2000-06-15 |
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| LAPS | Lapse due to unpaid annual fee |