KR970006720Y1 - Noise reducer of closed compressor - Google Patents
Noise reducer of closed compressor Download PDFInfo
- Publication number
- KR970006720Y1 KR970006720Y1 KR2019940035098U KR19940035098U KR970006720Y1 KR 970006720 Y1 KR970006720 Y1 KR 970006720Y1 KR 2019940035098 U KR2019940035098 U KR 2019940035098U KR 19940035098 U KR19940035098 U KR 19940035098U KR 970006720 Y1 KR970006720 Y1 KR 970006720Y1
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- KR
- South Korea
- Prior art keywords
- main bearing
- discharge passage
- cylinder
- discharged
- discharge
- Prior art date
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Classifications
-
- 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
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
-
- 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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
없음none
Description
제1도는 종래 밀폐형 압축기의 종단면도1 is a longitudinal sectional view of a conventional hermetic compressor
제2도는 종래 밀폐형 압축기의 압축기구부의 횡단면도2 is a cross-sectional view of a compression mechanism of a conventional hermetic compressor.
제3도는 종래 밀폐형 압축기의 메인베어링의 종단면도3 is a longitudinal sectional view of a main bearing of a conventional hermetic compressor.
제4도는 제3도에 의해 표시된 메인베어링의 종단면도4 is a longitudinal sectional view of the main bearing indicated by FIG.
제5도는 메인베어링에 형성된 공명기의 원리도5 is a principle diagram of the resonator formed in the main bearing
제6도의 (가)(나)는 본 고안 밀페형 압축기의 메인베어링의 평면도(A) (b) of FIG. 6 is a plan view of the main bearing of the present invention hermetic compressor.
제7도는 제5도에 표시된 메인베어링부의 종단면도7 is a longitudinal sectional view of the main bearing portion shown in FIG.
제8도의 (가)(나)(다)(라)는 본 고안의 다른 실시예도(A) (b) (d) (d) of FIG. 8 is another embodiment of the present invention.
*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
101 : 실린더101 : 토출통로101: cylinder 101: discharge passage
102 : 메인베어링102 : 토출통로102: main bearing 102: discharge passage
103 : 링형홈103: ring groove
본 고안은 밀폐형 압축기의 소음저감장치에 관한 것으로 특히 메인베어링에 형성된 공명부를 개량하여 더욱 소음을 저감할 수 있도록 한 것이다.The present invention relates to a noise reduction device of a hermetic compressor, in particular to improve the resonance formed in the main bearing to further reduce the noise.
종래의 밀폐형 압축기는 제1도 및 제2도와 같이 밀폐용기(1)내에 압축기구부와 상기 압축기구부를 구동시키는 전동기구부를 구성하였다.The conventional hermetic compressor comprises a compressor mechanism part and a power mechanism for driving the compressor mechanism part in the sealed container 1 as shown in FIG. 1 and FIG.
상기 전동기구부는 편심회전축(6)에 형성된 회전자(2')와 상기 회전자(2')가 자기력에 의하여 회전하도록 하는 고정자(2)를 구성하고, 상기 압축기구부는 편심회전축(6)에 축설되어 회전운동하는 편심롤러(4)와 상기 편심롤러(4)가 회전운동할 수 있도록 하는 실린더(5)와 상기 실린더(5)의 상하에 메인베어링(7)과 서브베어링(8)이 부착되어 형성된 압축실(3)과, 상기 메인베어링(7)를 덮어주는 머플러(9)가 구성되었다.The electric mechanism part constitutes a rotor 2 'formed on the eccentric rotation shaft 6 and a stator 2 which causes the rotor 2' to rotate by magnetic force, and the compression mechanism portion is formed on the eccentric rotation shaft 6. The eccentric roller 4 and the eccentric roller 4 which are arranged and rotated are attached, and the main bearing 7 and the sub-bearing 8 are attached to the cylinder 5 and the cylinder 5 which allow the eccentric roller 4 to rotate. The compression chamber 3 formed and the muffler 9 covering the main bearing 7 were constituted.
그리고, 상기 압축기구부는 실린더(5)내에서 편심롤러(4)가 회전할 때 베인(10)에 의하여 발생된 흡입력에 의하여 냉매가 흡입되는 흡입포트(11)와 압축력에 의하여 냉매가 토출되는 토출포트(12)가 구비되었다.In addition, the compression mechanism is a suction port 11 in which the refrigerant is sucked by the suction force generated by the vane 10 when the eccentric roller 4 rotates in the cylinder 5 and the discharge of the refrigerant discharged by the compression force. The port 12 was provided.
그리고, 상기 메인베어링(7)에 작은공간(13)을 구성하고 메인베어링(7)의 토출통로(14)를 연결통로(15)로 연결하여 공명기를 구성하였다.In addition, a small space 13 was formed in the main bearing 7, and the discharge passage 14 of the main bearing 7 was connected to the connection passage 15 to form a resonator.
이와 같이 구성된 상태에서 편심회전축(6)이 고정자(2)와 회전자(2')에 의하여 회동하면 편심회전축(6)에 형성된 편심롤러(4)가 회전하면서 실린더(5)내의 흡입포트(11)를 통하여 압축실(3)내에 흡입된 냉매가 압축된다.In this configuration, when the eccentric rotation shaft 6 is rotated by the stator 2 and the rotor 2 ', the eccentric roller 4 formed on the eccentric rotation shaft 6 rotates while the suction port 11 in the cylinder 5 is rotated. Refrigerant sucked into the compression chamber 3 is compressed.
상기와 같이 압축된 압축가스는 메인베어링(7)의 토출포트(12)를 통하여 토출되었다.The compressed gas compressed as described above was discharged through the discharge port 12 of the main bearing 7.
이때, 토출되는 고압의 냉매가스 고주파성분의 압력맥동을 생성시켜 압축기 소음의 원인이 되므로 이를 저감하기 위하여 메인베어링 또는 실린더에 작은공간을 구성하고자 상기 작은 공간을 메인베어링의 토출통로 혹은 실린더의 토출포트를 연결통로를 구비함으로써 공명기의 역할을 수행하였다.At this time, since the pressure pulsation of the high-pressure refrigerant gas discharged high pressure is generated to cause compressor noise, the small space is formed in the discharge passage of the main bearing or the discharge port of the cylinder in order to form a small space in the main bearing or the cylinder. By having a connecting passage to perform the role of a resonator.
그러나, 토출포트 주변에 설치된 공명기는 작은공간과 그것을 연결하는 연결통로 내부에 잔류하는 압축냉매가스가 압축실내에 재흡입이 됨으로써 압축기 효율이 저하되는 문제점이 있다.However, the resonator provided around the discharge port has a problem that the compressor efficiency is lowered by the re-suction of the compressed refrigerant gas remaining in the small space and the connection passage connecting it to the compression chamber.
그리고, 상기와 같이 공명기를 구성하기 위해서는 제5도와 같이 공명기의 체적은,In order to configure the resonator as described above, the volume of the resonator as shown in FIG.
상기 식 중 A: 목의 단면적, L: 통로길이, d: 통로직경, V: 공간체적으로, 공명기의 체적(V)가 상당히 크게되어 압축실로 재흠입되기 때문에 효율이 감소되어 문제점이 발생하였다.In the above formula, A: neck cross-sectional area, L: passage length, d: passage diameter, V: space volume, the volume (V) of the resonator is significantly increased and re-intruded into the compression chamber, the efficiency is reduced, causing a problem.
본 고안은 이러한 점을 감안하여 실린더 또는 메인베어링의 토출통로의 주위에 링형홈을 구비함으로써 실린더의 토출통로로 토출된 냉매가스가 메인베어링의 토출통로로 토출될 때 공명역활을 하면서 압축실로 재흡입되는 것을 방지하도록 하는데 목적이 있다.In view of this, the present invention has a ring-shaped groove around the discharge passage of the cylinder or main bearing, so that the refrigerant gas discharged into the discharge passage of the cylinder is resonated into the compression chamber while acting as a resonance when discharged into the discharge passage of the main bearing. The purpose is to prevent it.
본 고안 밀폐형 압축기의 소음저감장치를 제6도 및 제7도에 의하여 설명한다.The noise reduction device of the present invention hermetic compressor will be described with reference to FIGS. 6 and 7.
실린더(101)에서 압축된 냉매가스가 토출되는 토출통로(101')와 상기 토출통로(101')를 통하여 토출된 냉매가스가 토출되도록 메인베어링(102)에 토출통로(102')가 구비된 것에 있어서 실린더(101)의 토출통로(101)로 토출된 냉매가스가 메인베어링(102)의 토출통로(102)로 토출될 때 공명역활을 하면서 압축실로 재흡입되는 것을 방지하도록 토출통로(101')(102')주위에 링형홈(103)을 구비하였다.The discharge passage (101 ') is provided in the main bearing (102) to discharge the refrigerant passage discharged through the discharge passage (101') and the discharge passage 101 'discharged from the cylinder 101 Discharge passage 101 'to prevent the refrigerant gas discharged into the discharge passage 101 of the cylinder 101 from being re-sucked into the compression chamber while acting as a resonance when discharged into the discharge passage 102 of the main bearing 102. Ring-shaped groove 103 was provided around 102 '.
그리고, 링형홈(103)을 제8도와 같이 원형, 타원형, 잠원형, 사각형으로 구성한다.Then, the ring-shaped groove 103 is configured in a circular, elliptical, sleep circle, quadrangle as shown in FIG.
이와 같은 본 고안은 링형홈(103)에 종래와 같이 공명기의 역할을 하면서 동시에 압축실로 재흡입되는 압축개스의 양을 줄여 효율을 향상시킬 수 있다.The present invention can improve the efficiency by reducing the amount of the compression gas that is re-suction into the compression chamber while at the same time acting as a resonator in the ring-shaped groove (103).
즉, 제6도 및 제7도와 같이 토출통로의 주위에 링형홈(103)을 구성하는 것으로써 이때 링형홈(103)의 중심선의 길이가 감음주파수의 반파장(λ/2)과 일치시키면 압축실로 재흡입되는 압축개스량은 링형홈(103)의 중심의 반경을 r이라 하고 단면적을 A라고 할 때 재흡입되는 압축개스량 V=A·2πr로 되며, 상기 체적은 공명기를 구성했을 때보다 체적을 1/3로 줄일 수 있어 재흡입에 의한 손실을 방지할 수 있다.That is, if the ring-shaped groove 103 is formed around the discharge passage as shown in FIGS. 6 and 7, if the length of the center line of the ring-shaped groove 103 coincides with the half wavelength (λ / 2) of the attenuation frequency, compression is performed. The amount of compressed gas that is resorbed into the yarn is the radius of the center of the ring-shaped groove 103 is r and the cross-sectional area is A, and the amount of compressed gas that is resorbed is V = A · 2πr. The volume can be reduced to one third to prevent loss due to resuction.
따라서 본 고안은 압축실은 압축개스가 재흡입되어 효율이 저감되는 것을 방지할 수 있는 고안이다.Therefore, the present invention is a design that can prevent the compression chamber is re-suctioned to reduce the efficiency.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940035098U KR970006720Y1 (en) | 1994-12-22 | 1994-12-22 | Noise reducer of closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940035098U KR970006720Y1 (en) | 1994-12-22 | 1994-12-22 | Noise reducer of closed compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR960023421U KR960023421U (en) | 1996-07-20 |
| KR970006720Y1 true KR970006720Y1 (en) | 1997-07-02 |
Family
ID=19402224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019940035098U KR970006720Y1 (en) | 1994-12-22 | 1994-12-22 | Noise reducer of closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR970006720Y1 (en) |
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1994
- 1994-12-22 KR KR2019940035098U patent/KR970006720Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR960023421U (en) | 1996-07-20 |
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