KR20050005914A - Hermetic Reciprocating Compressor - Google Patents

Hermetic Reciprocating Compressor Download PDF

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Publication number
KR20050005914A
KR20050005914A KR1020030045821A KR20030045821A KR20050005914A KR 20050005914 A KR20050005914 A KR 20050005914A KR 1020030045821 A KR1020030045821 A KR 1020030045821A KR 20030045821 A KR20030045821 A KR 20030045821A KR 20050005914 A KR20050005914 A KR 20050005914A
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KR
South Korea
Prior art keywords
discharge
hole
refrigerant
chamber
reciprocating compressor
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KR1020030045821A
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Korean (ko)
Inventor
김용연
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삼성광주전자 주식회사
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Priority to KR1020030045821A priority Critical patent/KR20050005914A/en
Publication of KR20050005914A publication Critical patent/KR20050005914A/en

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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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/06—Mobile combinations
    • 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
    • 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1066—Valve plates
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

PURPOSE: A hermetic reciprocating compressor is provided to reduce pressure pulsation by smoothly moving a refrigerant between a discharge hole and a pass hole. CONSTITUTION: A piston receives motive power from a driving unit. A cylinder block has a compression chamber in which the piston compresses a refrigerant while moving back and forth. A cylinder head is combined with one side of the cylinder block, having a suction chamber and a discharge chamber inside. A valve plate(40) is installed between the cylinder block and the cylinder head, having a suction hole(41) and a discharge hole(42) to communicate the suction chamber and the discharge chamber with the compression chamber. The valve plate has a pass hole(43) guiding the refrigerant temporarily stored in the discharge chamber to the outside, and a refrigerant guide passage(44) connecting the discharge hole and the pass hole.

Description

밀폐형 왕복동식 압축기{Hermetic Reciprocating Compressor}Hermetic Reciprocating Compressor

본 발명은 밀폐형 왕복동식 압축기에 관한 것으로, 보다 상세하게는 압축된 냉매를 외부로 배출하도록 밸브플레이트에 패스홀이 형성된 밀폐형 왕복동식 압축기에 관한 것이다.The present invention relates to a hermetic reciprocating compressor, and more particularly to a hermetic reciprocating compressor in which a pass hole is formed in a valve plate to discharge the compressed refrigerant to the outside.

일반적으로 밀폐형 왕복동식 압축기는 회전축의 회전운동에 의해 왕복운동되는 피스톤이 실린더의 내부로 유입되는 냉매를 압축하여 토출하는 장치로써, 냉매를 압축하는 압축부와 이를 구동시키는 구동부로 구성된다.In general, a hermetic reciprocating compressor is a device in which a piston reciprocated by a rotational movement of a rotating shaft compresses and discharges refrigerant introduced into a cylinder.

압축부는 밀폐용기의 하부에 마련되는 것으로, 압축실을 형성하는 실린더와, 그 내부에서 왕복운동하는 피스톤이 마련되고, 실린더의 일측에는 외부와 연통된 흡입실과 토출실이 형성된 실린더헤드가 설치된다. 그리고, 실린더와 실린더헤드 사이에는 흡입실과 토출실이 각각 압축실에 연통되도록 흡입홀과 토출홀이 내부에 형성된 밸브플레이트가 설치된다. 또 밸브플레이트에는 토출홀과 소정거리 이격되어 토출홀을 통과한 냉매를 외부로 배출하기 위한 패스홀이 마련된다.The compression unit is provided at the lower portion of the sealed container, and a cylinder forming a compression chamber and a piston reciprocating therein are provided, and a cylinder head having a suction chamber and a discharge chamber communicating with the outside is provided at one side of the cylinder. In addition, a valve plate having a suction hole and a discharge hole formed therein is installed between the cylinder and the cylinder head so that the suction chamber and the discharge chamber communicate with the compression chamber, respectively. In addition, the valve plate is provided with a pass hole for discharging the refrigerant passing through the discharge hole to the outside spaced apart from the discharge hole.

그리고 밸브플레이트에는 흡입홀과 토출홀을 각각 선택적으로 개폐하는 흡입밸브와 토출밸브가 결합되게 된다.In addition, the valve plate is coupled to the suction valve and the discharge valve for selectively opening and closing the suction hole and the discharge hole, respectively.

한편 종래 밸브플레이트는 도 1에 도시된 바와 같이, 토출밸브(6)를 설치하기 위해 밸브플레이트(1) 내측으로 오목하게 토출밸브설치홈(2)이 형성되며, 이러한 토출밸브설치홈(2)에 토출홀(3)이 형성되게 된다.Meanwhile, in the conventional valve plate, as shown in FIG. 1, in order to install the discharge valve 6, a discharge valve installation groove 2 is formed concave inside the valve plate 1, and such a discharge valve installation groove 2 is provided. The discharge hole 3 is formed in the.

이에 따라 토출홀(3)을 통과한 냉매가 패스홀(5)로 이동하는 동안 토출밸브설치홈(2)의 내벽에 부딪치게 되는데, 이때 와류가 발생하게 되므로 압력맥동이 증가하게 되어 압축기의 효율이 전체적으로 저하되는 문제점이 있다.As a result, the refrigerant passing through the discharge hole 3 hits the inner wall of the discharge valve installation groove 2 while moving to the pass hole 5. At this time, since the vortex occurs, the pressure pulsation increases, thereby increasing the efficiency of the compressor. There is a problem that is reduced overall.

본 발명은 이와 같은 문제점을 해결하기 위한 것으로, 그 목적은 밸브플레이트의 토출홀과 패스홀 사이의 냉매 유동을 원활히 하여 압력맥동을 저감할 수 있는 밀폐형 왕복동식 압축기를 제공하는 것이다.The present invention has been made to solve the above problems, and an object thereof is to provide a hermetic reciprocating compressor capable of reducing pressure pulsation by smoothly flowing refrigerant between the discharge hole and the pass hole of the valve plate.

도 1은 종래 밀폐형 왕복동식 압축기의 밸브플레이트를 보인 단면도이다.1 is a cross-sectional view showing a valve plate of a conventional hermetic reciprocating compressor.

도 2는 본 발명에 따른 밀폐형 왕복동식 압축기의 전체 구조를 보인 측단면도이다.,Figure 2 is a side sectional view showing the overall structure of the hermetic reciprocating compressor according to the present invention.

도 3는 본 발명에 따른 밀폐형 왕복동식 압축기의 요부를 보인 분해사시도이다.Figure 3 is an exploded perspective view showing the main portion of the hermetic reciprocating compressor according to the present invention.

도 4 본 발명에 따른 밀폐형 왕복동식 압축기의 밸브플레이트를 보인 사시도이다.4 is a perspective view showing a valve plate of the hermetic reciprocating compressor according to the present invention.

도 5는 본 발명에 따른 밀폐형 왕복동식 압축기의 밸브플레이트를 보인 단면도이다.5 is a cross-sectional view showing a valve plate of the hermetic reciprocating compressor according to the present invention.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 밀폐용기, 20 : 압축부,10: sealed container, 20: compression part,

21 : 실린더블록, 22 : 피스톤,21: cylinder block, 22: piston,

23 : 실린더헤드, 30 : 구동부,23: cylinder head, 30: drive part,

31 : 고정자, 32 : 회전자,31: stator, 32: rotor,

33 : 회전축, 40 : 밸브플레이트,33: rotating shaft, 40: valve plate,

41 : 흡입홀, 42 : 토출홀,41: suction hole, 42: discharge hole,

43 : 패스홀, 44 : 냉매안내유로,43: pass hole, 44: refrigerant guide flow path,

51 : 흡입밸브, 52 : 토출밸브.51: intake valve, 52: discharge valve.

이러한 목적을 달성하기 위한 본 발명에 따른 밀폐형 왕복동식 압축기는; 동력을 발생시키는 구동부로부터 동력을 전달받는 피스톤, 상기 피스톤이 진퇴하며 냉매를 압축하도록 압축실이 형성된 실린더블록, 상기 실린더블록 일측에 결합되며 흡입실과 토출실이 내부에 형성된 실린더헤드, 상기 실린더블록과 상기 실린더헤드 사이에 마련되어 상기 흡입실과 상기 토출실이 각각 상기 압축실에 연통되도록 내부에 흡입홀과 토출홀이 형성된 밸브플레이트를 구비하고,Sealed reciprocating compressor according to the present invention for achieving this object is; A piston receiving power from a driving unit generating power, a cylinder block having a compression chamber formed therein to compress and refrigerate the piston, a cylinder head coupled to one side of the cylinder block and having a suction chamber and a discharge chamber therein, the cylinder block and A valve plate provided between the cylinder heads and having a suction hole and a discharge hole formed therein so that the suction chamber and the discharge chamber communicate with the compression chamber, respectively;

상기 밸브플레이트에는 상기 토출실에 일시 저장된 냉매를 외부로 안내하는 패스홀과, 상기 토출홀과 상기 패스홀 사이를 연결하는 냉매안내유로가 마련된 것을 특징으로 한다.The valve plate is provided with a pass hole for guiding the refrigerant temporarily stored in the discharge chamber to the outside, and a refrigerant guide passage for connecting between the discharge hole and the pass hole.

또한 상기 냉매안내유로는 상기 밸브플레이트에 홈 형상으로 마련된 것을 특징으로 한다.In addition, the refrigerant guide flow path is characterized in that provided in the groove shape on the valve plate.

또한 상기 냉매안내유로의 저면은 상기 토출홀과 높이가 실질적으로 동일한 것을 특징으로 한다.In addition, the bottom surface of the refrigerant guide passage is characterized in that the height and the discharge hole is substantially the same.

또한 상기 냉매안내유로는 직선형태로 마련된 것을 특징으로 한다.In addition, the refrigerant guide flow passage is characterized in that it is provided in a straight form.

이하에서는 본 발명에 따른 바람직한 실시 예를 첨부 도면을 참조하여 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2은 본 발명에 따른 밀폐형 왕복동식 압축기의 전체 구조를 도시한 측단면도이고, 도 3은 본 발명에 따른 밀폐형 왕복동식 압축기의 요부를 보인 분해사시도이다.Figure 2 is a side cross-sectional view showing the overall structure of the hermetic reciprocating compressor according to the present invention, Figure 3 is an exploded perspective view showing the main portion of the hermetic reciprocating compressor according to the present invention.

도 2 및 도 3를 참조하면, 본 발명에 따른 밀폐형 왕복동식 압축기는, 상부용기(11)와 하부용기(12)가 결합되어 밀폐된 밀폐용기(10)의 내부에는 냉매를 압축할 수 있도록 마련된 압축부(20)와, 이 압축부(20)를 구동시킬 수 있도록 동력을 발생하는 구동부(30)가 마련된다.2 and 3, the hermetic reciprocating compressor according to the present invention, the upper container 11 and the lower container 12 is coupled to be provided to compress the refrigerant inside the hermetically sealed container 10. A compression unit 20 and a drive unit 30 for generating power to drive the compression unit 20 are provided.

압축부(20)는 내부에 압축실(21a)이 형성된 실린더블록(21)이 마련되는데, 이 압축실(21a)의 내부에는 왕복 운동하여 냉매를 흡입, 압축, 토출시키는 피스톤(22)이 설치되고, 실린더블록(21)의 일측에는 내부에 흡입실(23a)과 토출실(23b)이 형성된 실린더헤드(23)가 마주하도록 배치된다. 그리고 실린더(21)와 실린더헤드(23) 사이에는 압축실(21a)과 흡입실(23a) 및 토출실(23b)을 각각 연통시킬 수 있도록 내부에 흡입홀(41)과 토출홀(42)이 형성된 밸브플레이트(40)가 개재된다.The compression unit 20 is provided with a cylinder block 21 having a compression chamber 21a formed therein, and a piston 22 is installed inside the compression chamber 21a to reciprocate to suck, compress, and discharge the refrigerant. One side of the cylinder block 21 is disposed such that the cylinder head 23 having the suction chamber 23a and the discharge chamber 23b therein faces each other. In addition, a suction hole 41 and a discharge hole 42 are formed between the cylinder 21 and the cylinder head 23 so as to communicate the compression chamber 21a, the suction chamber 23a, and the discharge chamber 23b, respectively. The formed valve plate 40 is interposed.

구동부(30)는 이러한 압축부(20)에서 냉매의 압축이 이루어지도록 피스톤(22)을 왕복 운동시킬 수 있도록 마련되는 것으로써, 밀폐용기(10)의 내부에 고정된 고정자(31)와 이 고정자(31)의 내부에 이격 설치되어 고정자(31)와 전자기적으로 상호작용하는 회전자(32)가 마련된다. 그리고, 회전자(32)의 중심에는 회전자(32)와 함께 연동될 수 있도록 회전축(33)이 마련되고, 회전축(33)의 하부에는 편심회전하는 편심부(34)와 편심부(34)의 편심회전을 직선운동으로 전환시킬 수 있도록 일단은 편심부(34)에 회전운동 가능하게 결합되고 타단은 피스톤(22)에 회전 및 직선운동 가능하게 설치된 커넥팅로드(35)가 마련된다.The driving unit 30 is provided to reciprocate the piston 22 to compress the refrigerant in the compression unit 20, and the stator 31 and the stator fixed inside the sealed container 10. A rotor 32 is provided to be spaced apart from the inside of the 31 to electromagnetically interact with the stator 31. In addition, a rotation shaft 33 is provided at the center of the rotor 32 so as to be interlocked with the rotor 32, and an eccentric portion 34 and an eccentric portion 34 that eccentrically rotate below the rotation shaft 33. One end of the connecting rod 35 is rotatably coupled to the eccentric portion 34 so that the eccentric rotation thereof can be converted into a linear movement, and the other end of the piston 22 is rotatably and linearly provided.

실린더블록(21)과 실린더헤드(23) 사이에 개재되는 밸브플레이트(40)의 양측에는 압축실(21a)과 흡입실(23a) 또는 토출실(23b)간의 압력차에 의해 흡입홀(41) 또는 토출홀(42)을 개폐하는 흡입밸브(51)와 토출밸브(52)가 마련되며, 흡입밸브(51)는 압축실(21a)측에 설치되고 토출밸브(52)는 토출실(23b)측에 설치된다. 그리고 흡입밸브(51)와 실린더블록(21) 사이 그리고 밸브플레이트(40)와 실린더헤드(23) 사이에는 각각 개스킷(53,54)이 마련된다.On both sides of the valve plate 40 interposed between the cylinder block 21 and the cylinder head 23, the suction hole 41 is formed by the pressure difference between the compression chamber 21a and the suction chamber 23a or the discharge chamber 23b. Alternatively, a suction valve 51 and a discharge valve 52 for opening and closing the discharge hole 42 are provided, the suction valve 51 is installed at the compression chamber 21a side, and the discharge valve 52 is the discharge chamber 23b. Is installed on the side. Gaskets 53 and 54 are provided between the suction valve 51 and the cylinder block 21 and between the valve plate 40 and the cylinder head 23, respectively.

또한 밸브플레이트(40)에는 토출실(23b)에 일시 저장된 냉매를 외부로 안내하도록 토출홀(42)과 이격된 곳에 패스홀(43)이 형성된다.In addition, the valve plate 40 is formed with a pass hole 43 spaced apart from the discharge hole 42 to guide the refrigerant temporarily stored in the discharge chamber 23b to the outside.

이러한 패스홀(43)을 통과한 냉매는 실린더블록(21)의 일측에 형성된 토출유로(21b)를 통하여 압축기 외부로 토출되게 된다.The refrigerant passing through the pass hole 43 is discharged to the outside of the compressor through the discharge passage 21b formed at one side of the cylinder block 21.

한편, 도 4 및 도 5에 도시된 바와 같이, 토출홀(42)과 패스홀(43) 사이에는 냉매를 안내하도록 냉매안내유로(44)가 마련되며, 이러한 냉매안내유로(44)를 통해토출홀(42)을 통과한 냉매가 냉매안내유로(44)를 따라 패스홀(43)로 유입되게 된다.Meanwhile, as illustrated in FIGS. 4 and 5, a refrigerant guide passage 44 is provided between the discharge hole 42 and the pass hole 43 to guide the refrigerant, and is discharged through the refrigerant guide passage 44. The refrigerant passing through the hole 42 is introduced into the pass hole 43 along the refrigerant guide flow path 44.

냉매안내유로(44)는 밸브플레이트(40)에 홈을 가공하여 형성하게 되며, 냉매안내유로(44)의 저면이 토출홀(42)과 동일한 높이를 갖도록 하여 냉매가 원활히 흐를 수 있도록 한다.The coolant guide channel 44 is formed by processing a groove in the valve plate 40, and the bottom surface of the coolant guide channel 44 has the same height as the discharge hole 42 so that the coolant flows smoothly.

다음에는 이와 같이 구성된 밀폐형 왕복동식 압축기의 동작 및 작용을 설명한다.Next, the operation and operation of the hermetic reciprocating compressor configured as described above will be described.

구동부(30)에 전원이 인가되면 회전자(32)와 함께 회전축(33)이 회전되고, 회전축(33)의 회전으로 편심부(34)가 편심 회전된다. 그리고 편심부(34)에 의해 피스톤(22)이 압축실(21a) 내부를 왕복 운동하며 실린더헤드(23)의 흡입실(23a)로부터 냉매를 흡입하여 압축한 후 밸브플레이트(40)의 토출홀(42)을 거쳐 실린더헤드(23)의 토출실(23b)로 냉매를 토출하게 된다.When power is applied to the driving unit 30, the rotating shaft 33 is rotated together with the rotor 32, and the eccentric 34 is eccentrically rotated by the rotation of the rotating shaft 33. The piston 22 reciprocates the inside of the compression chamber 21a by the eccentric portion 34, sucks the refrigerant from the suction chamber 23a of the cylinder head 23, compresses the refrigerant, and then discharges the hole of the valve plate 40. The refrigerant is discharged to the discharge chamber 23b of the cylinder head 23 via the 42.

이때 토출홀(42)을 통과한 냉매 중 일부는 냉매안내유로(44)를 통해 패스홀(43)로 직접 유입되게 되며, 나머지 냉매는 토출실(23b)을 경유한 후 패스홀(43)을 통과하게 된다.At this time, some of the refrigerant passing through the discharge hole 42 is introduced directly into the pass hole 43 through the refrigerant guide passage 44, and the remaining refrigerant passes through the discharge chamber 23b and then passes through the pass hole 43. Will pass.

이후 냉매는 패스홀(43)과 연계된 실린더블록(21)의 토출유로(21b)를 통해 압축기 외부로 배출되게 된다.Thereafter, the refrigerant is discharged to the outside of the compressor through the discharge passage 21b of the cylinder block 21 associated with the pass hole 43.

이상에서 상세히 설명한 바와, 본 발명에 따른 밀폐형 왕복동식 압축기는 토출홀과 패스홀 사이에 마련된 냉매안내유로에 의해 토출홀을 통과하여 패스홀로 유입되는 냉매의 흐름을 안정적이고 원활히 이룰 수 있게 된다.As described above in detail, the hermetic reciprocating compressor according to the present invention can achieve a stable and smooth flow of the refrigerant flowing into the pass hole through the discharge hole by the refrigerant guide passage provided between the discharge hole and the pass hole.

이에 따라, 압축기의 압력맥동이 줄어들어 압축기의 전체적인 성능 및 효율을 향상시킬 수 있게 되는 효과가 있다.Accordingly, the pressure pulsation of the compressor is reduced, it is possible to improve the overall performance and efficiency of the compressor.

Claims (4)

동력을 발생시키는 구동부로부터 동력을 전달받는 피스톤, 상기 피스톤이 진퇴하며 냉매를 압축하도록 압축실이 형성된 실린더블록, 상기 실린더블록 일측에 결합되며 흡입실과 토출실이 내부에 형성된 실린더헤드, 상기 실린더블록과 상기 실린더헤드 사이에 마련되어 상기 흡입실과 상기 토출실이 각각 상기 압축실에 연통되도록 내부에 흡입홀과 토출홀이 형성된 밸브플레이트를 구비하고,A piston that receives power from a driving unit generating power, a cylinder block having a compression chamber configured to retract and compress the refrigerant, a cylinder head coupled to one side of the cylinder block, and having a suction chamber and a discharge chamber formed therein, the cylinder block and A valve plate provided between the cylinder heads and having a suction hole and a discharge hole formed therein so that the suction chamber and the discharge chamber communicate with the compression chamber, respectively; 상기 밸브플레이트에는 상기 토출실에 일시 저장된 냉매를 외부로 안내하는 패스홀과, 상기 토출홀과 상기 패스홀 사이를 연결하는 냉매안내유로가 마련된 것을 특징으로 하는 밀폐형 왕복동식 압축기.The valve plate is a hermetic reciprocating compressor, characterized in that a pass hole for guiding the refrigerant temporarily stored in the discharge chamber to the outside, and a refrigerant guide passage connecting the discharge hole and the pass hole. 제 1항에 있어서,The method of claim 1, 상기 냉매안내유로는 상기 밸브플레이트에 홈 형상으로 마련된 것을 특징으로 하는 밀폐형 왕복동식 압축기.The refrigerant guide flow path is a closed type reciprocating compressor, characterized in that provided in the groove shape on the valve plate. 제 2항에 있어서,The method of claim 2, 상기 냉매안내유로의 저면은 상기 토출홀과 높이가 실질적으로 동일한 것을 특징으로 하는 밀폐형 왕복동식 압축기.The bottom surface of the refrigerant guide passage is a hermetic reciprocating compressor, characterized in that the height is substantially the same as the discharge hole. 제 2항에 있어서,The method of claim 2, 상기 냉매안내유로는 직선형태로 마련된 것을 특징으로 하는 밀폐형 왕복동식 압축기.The refrigerant guide flow path is a sealed reciprocating compressor, characterized in that provided in a straight form.
KR1020030045821A 2003-07-07 2003-07-07 Hermetic Reciprocating Compressor KR20050005914A (en)

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