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KR20010018432A - Suction muffler for linear compressor - Google Patents

Suction muffler for linear compressor Download PDF

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Publication number
KR20010018432A
KR20010018432A KR1019990034393A KR19990034393A KR20010018432A KR 20010018432 A KR20010018432 A KR 20010018432A KR 1019990034393 A KR1019990034393 A KR 1019990034393A KR 19990034393 A KR19990034393 A KR 19990034393A KR 20010018432 A KR20010018432 A KR 20010018432A
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KR
South Korea
Prior art keywords
suction
refrigerant gas
piston
refrigerant
diameter portion
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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KR1019990034393A
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Korean (ko)
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KR100314013B1 (en
Inventor
이혁
Original Assignee
구자홍
엘지전자 주식회사
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Application filed by 구자홍, 엘지전자 주식회사 filed Critical 구자홍
Priority to KR1019990034393A priority Critical patent/KR100314013B1/en
Priority to JP2000143420A priority patent/JP3662813B2/en
Priority to BR0010430-2A priority patent/BR0010430A/en
Priority to US09/576,314 priority patent/US6398523B1/en
Publication of KR20010018432A publication Critical patent/KR20010018432A/en
Application granted granted Critical
Publication of KR100314013B1 publication Critical patent/KR100314013B1/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00Piston 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
    • F04B35/04Piston 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 the means being electric
    • F04B35/045Piston 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 the means being electric using solenoids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/0027Pulsation and noise damping means
    • F04B39/0055Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/10Adaptations or arrangements of distribution members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00Working fluid
    • F05B2210/10Kind or type
    • F05B2210/12Kind or type gaseous, i.e. compressible
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/96Preventing, counteracting or reducing vibration or noise
    • F05B2260/962Preventing, counteracting or reducing vibration or noise by means creating "anti-noise"
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00Pumps
    • Y10S417/902Hermetically sealed motor pump unit

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

본 발명은 리니어 압축기의 흡입소음기 구조에 관한 것으로, 특히 피스톤의 냉매유로에 흡입측 소음기를 삽입 장착하고, 상기 냉매유로의 흡입측을 복개하는 커버의 흡입구 내측면에 냉매가스 안내관을 체결시키되 그 냉매가스 안내관의 내측단이 흡입측 소음기에 내삽되도록 함으로써, 상기 피스톤의 흡입행정시 케이싱에 채워졌다가 냉매유로로 흡입되는 냉매가스가 냉매가스 안내관을 통해 소음기로 누설없이 흡입되므로, 냉매가스의 흡입손실이 최소한으로 감소되어 압축기의 효율이 현저하게 향상된다.The present invention relates to a structure of a suction silencer of a linear compressor, and more particularly, inserting a suction silencer into a refrigerant passage of a piston, and fastening a refrigerant gas guide tube to an inner side of a suction port of a cover covering the suction side of the refrigerant passage. By inserting the inner end of the refrigerant gas guide tube into the suction side silencer, the refrigerant gas filled in the casing during suction operation of the piston and sucked into the refrigerant passage is sucked without leakage into the silencer through the refrigerant gas guide tube. Suction loss is reduced to a minimum, and the efficiency of the compressor is significantly improved.

Description

리니어 압축기의 흡입소음기 구조{SUCTION MUFFLER FOR LINEAR COMPRESSOR}Suction silencer structure of linear compressor {SUCTION MUFFLER FOR LINEAR COMPRESSOR}

본 발명은 리니어 압축기의 흡입소음기에 관한 것으로, 특히 냉매가스가 피스톤의 냉매유로로 직접 흡입되는 직접 흡입방식에서 냉매가스의 흡입손실을 최소화할 수 있는 리니어 압축기의 흡입소음기 구조에 관한 것이다.The present invention relates to a suction silencer of a linear compressor, and more particularly, to a suction silencer structure of a linear compressor capable of minimizing suction loss of refrigerant gas in a direct suction method in which refrigerant gas is directly sucked into a refrigerant passage of a piston.

일반적으로 리니어 압축기는 크랭크축을 대신하여 리니어 모터의 가동자를 이루는 마그네트 조립체에 피스톤을 결합시켜 그 피스톤이 마그네트 조립체에 일체로 고정된 것으로, 상기 피스톤의 냉매유로에 냉매가스의 흡입관이 삽입되는지 여부에 따라 직접 흡입방식 또는 간접 흡입방식으로 구분되고 있다.In general, the linear compressor couples the piston to the magnet assembly that forms the mover of the linear motor in place of the crankshaft, and the piston is integrally fixed to the magnet assembly, depending on whether the suction pipe of the refrigerant gas is inserted into the refrigerant flow path of the piston. It is divided into direct suction method or indirect suction method.

본 발명은 직접 흡입방식의 리니어 압축기에 관한 것으로, 그 일례가 도 1에 도시되어 있다.The present invention relates to a linear compressor of the direct suction method, an example of which is shown in FIG.

이에 도시된 바와 같이, 종래의 리니어 압축기는 저면에 오일이 채워지는 케이싱(V)의 내부에 횡방향으로 설치되어 냉매를 흡입하여 압축 및 토출하는 압축 유니트(C)와, 그 압축 유니트(C)의 외부에 고정되어 미끄럼부에 오일을 공급하는 오일피더(O)로 구성되어 있다.As shown in the drawing, a conventional linear compressor has a compression unit (C) installed in the transverse direction inside a casing (V) filled with oil on a bottom surface thereof to suck, compress, and discharge refrigerant, and the compression unit (C). It is fixed to the outside of the oil feeder is configured to supply oil to the sliding portion (O).

상기 압축 유니트(C)는 환형의 프레임(1)과, 그 프레임(1)의 일측면에 고정 설치되는 커버(2)와, 상기 프레임(1)의 중앙에 횡방향으로 고정되는 실린더(3)와, 그 실린더(3)를 지지하는 프레임(1)의 외주면에 고정되는 내측 고정자 조립체(4A) 및 그 내측 고정자 조립체(4A)의 외주면에 소정 공극을 두고 고정되는 외측 고정자 조립체(4B)와, 상기 내 외측 고정자 조립체(4A,4B) 사이의 공극에 개재되어 리니어 모터의 가동자를 이루는 마그네트 조립체(5)와, 그 마그네트 조립체(5)에 일체로 고정되어 실린더(3)의 내부에서 미끄럼운동을 하면서 냉매가스를 흡입 압축시키는 피스톤(6)과, 상기 마그네트 조립체(5)가 내 외측 고정자 조립체(4A,4B) 사이의 공극에서 지속적으로 공진운동을 하도록 유도하는 내 외측 공진스프링(7A,7B)을 포함하여 이루어져 있다.The compression unit (C) includes an annular frame (1), a cover (2) fixedly installed on one side of the frame (1), and a cylinder (3) fixed laterally in the center of the frame (1). An inner stator assembly 4A fixed to the outer circumferential surface of the frame 1 supporting the cylinder 3 and an outer stator assembly 4B fixed with a predetermined gap on the outer circumferential surface of the inner stator assembly 4A; The magnet assembly 5 interposed between the inner and outer stator assemblies 4A and 4B, which constitutes the mover of the linear motor, and is integrally fixed to the magnet assembly 5 so as to slide in the cylinder 3. The inner and outer resonant springs 7A and 7B for inducing and continuously compressing the piston 6 and the magnet assembly 5 to continuously resonate in the air gap between the inner and outer stator assemblies 4A and 4B. Consists of including.

상기 피스톤(6)의 내부에는 냉매유로(6a)가 형성되고, 그 냉매유로(6a)의 선단면에는 흡입밸브(6b)가 장착되며, 그 냉매유로(6a)의 입구측에는 냉매가스의 흡입시 발생된 소음을 제거하는 흡입소음기(10)가 삽입되어 마그네트 조립체(5)에 장착되어 있다.A refrigerant passage 6a is formed inside the piston 6, and a suction valve 6b is mounted at the front end surface of the refrigerant passage 6a, and at the inlet side of the refrigerant passage 6a when suction of refrigerant gas occurs. A suction silencer 10 for removing the generated noise is inserted and mounted in the magnet assembly 5.

상기 흡입소음기(10)는 '목부'를 이루는 소경부(11)가 피스톤(6)의 냉매유로(6a)에 삽입되도록 형성되고, 그 소경부(11)에 연통되어 '공명실'을 이루는 대경부(12)가 피스톤(6)의 입구측인 후단면에 밀착 고정되며, 그 대경부(12)에서 다시 연통되어 '흡입구'를 이루는 소경부(13)가 커버(2)의 냉매가스 흡입구(2a)에 노출되도록 형성되어 있다.The suction silencer 10 is formed such that the small diameter portion 11 forming the 'neck' is inserted into the refrigerant passage 6a of the piston 6, and communicates with the small diameter portion 11 to form a 'resonance chamber'. The small diameter portion 12 is tightly fixed to the rear end surface of the inlet side of the piston 6, and the small diameter portion 13 communicating with the large diameter portion 12 again to form an 'intake hole' includes a refrigerant gas intake port (of the cover 2). It is formed to expose to 2a).

도면중 미설명 부호인 8은 토출밸브 조립체, 9는 냉매가스 흡입관이다.In the drawings, reference numeral 8 denotes a discharge valve assembly, and 9 denotes a refrigerant gas suction pipe.

상기와 같이 구성된 종래 리니어 압축기는 다음과 같이 동작된다.The conventional linear compressor configured as described above is operated as follows.

즉, 상기 내 외측 고정자 조립체(4A,4B)로 이루어지는 리니어 모터의 고정자에 전류가 인가되어 유도자기가 발생되면, 상기 고정자 사이에 개재되는 가동자인 마그네트 조립체(5)가 직선 왕복운동을 하게 되어 이에 결합된 피스톤(6)이 실린더(3)의 내부를 직선으로 왕복운동하게 되고, 그 피스톤(6)이 실린더(3)내를 직선으로 왕복운동함에 따라 실린더(3)내의 압력차가 발생되며, 이 실린더(3)내의 압력차에 의해 냉매가스가 냉매가스 흡입관(9)을 통해 흡입소음기(10) 및 피스톤(6)의 냉매유로(6a)로 유입되었다가 실린더(3)로 흡입 압축되어 토출된다.That is, when an electric current is applied to the stator of the linear motor including the inner and outer stator assemblies 4A and 4B to generate an induction magnet, the magnet assembly 5, which is the mover interposed between the stators, performs a linear reciprocating motion. The combined piston 6 reciprocates in the cylinder 3 in a straight line, and as the piston 6 reciprocates in the cylinder 3 in a straight line, a pressure difference in the cylinder 3 is generated. Due to the pressure difference in the cylinder (3), the refrigerant gas flows into the refrigerant passage (6a) of the suction silencer (10) and the piston (6) through the refrigerant gas suction pipe (9), and is sucked into the cylinder (3) and discharged. .

이때, 상기 냉매가스가 피스톤(6)의 흡입밸브(6b) 등을 거쳐 흡입되는 과정에서 소음이 발생하게 되는데, 이 소음은 흡입소음기(10)의 소경부(11) 및 대경부(12)를 거치면서 음향학적 특성에 의해 감쇠되는 것이었다.At this time, noise is generated in the process of the refrigerant gas is sucked through the suction valve (6b) of the piston (6), this noise is the small diameter portion 11 and the large diameter portion 12 of the suction silencer (10) It was attenuated by the acoustic characteristics as it went through.

그러나, 상기와 같은 종래 리니어 압축기에서는 흡입소음기(10)가 피스톤(6)에 체결되어 함께 공진운동을 하게 되므로, 그 흡입소음기(10)의 흡입단과 커버(2)의 냉매통구(2a) 사이에는 상대운동을 위한 틈새(c)가 발생되는데, 이 틈새(c)는 커버(2)의 냉매통구(2a)에 흡입소음기(10)의 흡입단이 내삽되어 커버(2) 외곽측에서 노출되므로 케이싱(C)에 채워지는 냉매가스의 일부가 피스톤(6)의 냉매유로(6a)로 유입되지 않고 상기한 틈새(c)를 통해 커버(2)의 내부공간(V1)으로 스며들게 되고, 이 커버(2)의 내부공간(V1)으로 스며든 냉매가스는 구동모터에 직접 접촉되어 고온으로 가열되었다가 피스톤(6)의 다음 흡입행정시 상기한 틈새(c)를 통해 다시 피스톤(6)의 냉매유로(6a)로 흡입되어 실린더(3)에서 압축되므로 흡입가스의 비체적이 감소하여 압축기의 효율이 저하되는 문제점이 있었다.However, in the conventional linear compressor as described above, since the suction silencer 10 is fastened to the piston 6 and resonates together, the suction silencer 10 is connected between the suction end of the suction silencer 10 and the refrigerant passage 2a of the cover 2. A gap c for a relative movement is generated, which is a casing because the suction end of the suction silencer 10 is inserted into the refrigerant passage 2a of the cover 2 to be exposed from the outside of the cover 2. A portion of the refrigerant gas filled in (C) does not flow into the refrigerant passage 6a of the piston 6 but is permeated into the internal space V1 of the cover 2 through the above-mentioned gap c, and this cover ( The refrigerant gas penetrated into the internal space V1 of 2) is directly contacted with the driving motor and heated to a high temperature, and then the refrigerant flow path of the piston 6 again through the aforementioned clearance c at the next suction stroke of the piston 6. Since it is sucked into 6a and compressed in the cylinder 3, the specific volume of the suction gas is reduced and the efficiency of the compressor is lowered. Had a problem.

본 발명은 상기와 같은 종래 리니어 압축기가 가지는 문제점을 감안하여 안출한 것으로, 케이싱의 내부에 충진되는 냉매가스의 흡입행정시 그 일부가 커버의 내부공간으로 누설되는 것을 방지할 수 있는 리니어 압축기의 흡입손실 저감구조를 제공하려는데 그 목적이 있다.The present invention has been made in view of the above problems of the conventional linear compressor, and the suction of the linear compressor which can prevent a part of leakage into the inner space of the cover during the suction stroke of the refrigerant gas filled in the casing. The purpose is to provide a loss reduction structure.

도 1은 종래 리니어 압축기의 일례를 보인 종단면도.1 is a longitudinal sectional view showing an example of a conventional linear compressor.

도 2는 종래 리니어 압축기의 흡입소음기에서 음향의 진행과정을 보인 종단면도.Figure 2 is a longitudinal sectional view showing the progress of sound in the suction silencer of the conventional linear compressor.

도 3은 본 발명의 흡입소음기가 장착된 리니어 압축기의 일례를 보인 종단면도.Figure 3 is a longitudinal sectional view showing an example of a linear compressor equipped with a suction silencer of the present invention.

도 4는 본 발명 리니어 압축기의 흡입소음기에서 음향의 진행과정을 보인 종단면도.Figure 4 is a longitudinal sectional view showing the progress of sound in the suction silencer of the linear compressor of the present invention.

** 도면의 주요 부분에 대한 부호의 설명 **** Description of symbols for the main parts of the drawing **

2 : 커버 2a : 냉매통구2: cover 2a: refrigerant passage

5 : 마그네트 조립체 6 : 피스톤5 magnet assembly 6 piston

6a : 냉매유로 100 : 흡입소음기6a: refrigerant flow path 100: suction silencer

110 : 소경부 120 : 대경부110: small diameter part 120: large diameter part

200 : 냉매가스 안내관200: refrigerant gas guide tube

본 발명의 목적을 달성하기 위하여, 냉매가스 흡입관 및 토출관이 구비된 케이싱의 내부에 리니어 모터가 장착되고, 그 리니어 모터의 가동자에 일체되어 공진운동을 하는 피스톤의 내부에는 상기 냉매가스 흡입관을 통해 케이싱으로 흡입된 냉매가스를 실린더로 유도하는 냉매유로가 형성되며, 그 리니어 모터를 복개하는 커버에는 냉매유로와 냉매가스 흡입관을 연통시키는 냉매통구가 형성되되,In order to achieve the object of the present invention, a linear motor is mounted inside a casing provided with a refrigerant gas suction pipe and a discharge pipe, and the refrigerant gas suction pipe is provided inside the piston which is resonant with the mover of the linear motor. A refrigerant passage for guiding the refrigerant gas sucked into the casing through the cylinder is formed, and a refrigerant passage for communicating the refrigerant passage with the refrigerant gas suction pipe is formed in the cover covering the linear motor.

상기 피스톤의 냉매유로에 삽입되어 목부를 이루는 소경부 및 그 소경부에서 확관 연장되어 공명실을 이루는 대경부가 상기한 피스톤의 후단면에 밀착되어 소음기본체를 형성하고, 그 소음기본체의 대경부에 내삽되도록 소경부로 형성된 냉매가스 안내관이 상기한 커버의 냉매통구 내측면에 연장되는 것을 특징으로 하는 리니어 압축기의 흡입손실 저감구조가 제공된다.The small diameter portion which is inserted into the refrigerant passage of the piston and extends from the small diameter portion and extends from the small diameter portion to form a resonance chamber is in close contact with the rear end surface of the piston to form a noise main body, and interpolates into the large diameter portion of the noise main body. A suction gas reduction structure of the linear compressor is provided, wherein the refrigerant gas guide tube formed of the small diameter portion extends on the inner surface of the refrigerant passage of the cover.

이하, 본 발명에 의한 리니어 압축기의 흡입손실 저감구조를 첨부도면에 도시된 일실시예에 의거하여 상세하게 설명한다.Hereinafter, the suction loss reduction structure of the linear compressor according to the present invention will be described in detail with reference to the embodiment shown in the accompanying drawings.

도 3은 본 발명의 흡입소음기가 장착된 리니어 압축기의 일례를 보인 종단면도이고, 도 4는 본 발명 리니어 압축기의 흡입소음기에서 음향의 진행과정을 보인 종단면도이다.Figure 3 is a longitudinal sectional view showing an example of a linear compressor equipped with a suction silencer of the present invention, Figure 4 is a longitudinal sectional view showing the progress of sound in the suction silencer of the linear compressor of the present invention.

이에 도시된 바와 같이 본 발명에 의한 흡입손실 저감구조가 구비된 리니어 압축기는 프레임(1)과, 그 프레임(1)의 후측면에 고정 설치되는 커버(2)와, 상기 프레임(1)의 중앙에 삽입되어 고정되는 실린더(3)와, 그 실린더(3)의 외주면에 고정되는 내측 고정자 조립체(4A)와, 그 내측 고정자 조립체(4A)의 외주면에 소정 공극을 두고 고정되는 외측 고정자 조립체(4B)와, 상기 내측 고정자 조립체(4A)와 외측 고정자 조립체(4B) 사이의 공극에 개재되는 마그네트 조립체(5)와, 그 마그네트 조립체(5)에 일체로 고정되어 함께 직선 왕복운동을 하는 피스톤(6)과, 상기 내측 고정자 조립체(4A)의 후측면과 마그네트 조립체(5)의 내측면 사이에 개재되는 내측 공진스프링(7A)과, 상기 마그네트 조립체(5)의 외측면과 커버(2)의 내측면 사이에 개재되는 외측 공진스프링(7B)과, 상기 피스톤(6)의 냉매유로(6a)에 삽입되도록 장착되어 냉매가스의 흡입시 발생되는 소음을 감쇠시키는 흡입소음기(100)와, 그 흡입소음기(100)에 내삽되도록 상기 커버(2)의 냉매통구(2a) 내측면에 체결되는 냉매가스 안내관(200)을 포함하여 구성된다.As shown therein, the linear compressor with the suction loss reduction structure according to the present invention includes a frame 1, a cover 2 fixed to the rear side of the frame 1, and a center of the frame 1; A cylinder 3 inserted into and fixed to the inner surface, an inner stator assembly 4A fixed to an outer circumferential surface of the cylinder 3, and an outer stator assembly 4B fixed with a predetermined gap on an outer circumferential surface of the inner stator assembly 4A. ), A magnet assembly 5 interposed in the gap between the inner stator assembly 4A and the outer stator assembly 4B, and a piston 6 which is integrally fixed to the magnet assembly 5 and linearly reciprocates together. ), An inner resonant spring 7A interposed between the rear side of the inner stator assembly 4A and the inner side of the magnet assembly 5, the outer side of the magnet assembly 5, and the inside of the cover 2. The outer resonant spring 7B interposed between the side and the image A suction silencer 100 mounted to be inserted into the refrigerant passage 6a of the piston 6 to attenuate noise generated when suction of the refrigerant gas, and a refrigerant passage of the cover 2 to be inserted into the suction silencer 100. (2a) is configured to include a refrigerant gas guide tube 200 is fastened to the inner surface.

상기 흡입소음기(100)는 피스톤(6)의 공진운동시 케이싱(C)에 채워지는 냉매가스가 직접 피스톤(6)의 냉매유로(6a)로 흡입되도록 목부를 이루는 소경부(110)가 상기한 냉매유로(6a)에 삽입되고, 그 소경부(6a)에서 확관 연장되어 공명실을 이루는 대경부(120)가 상기한 피스톤(6)의 후단면에 밀착 체결된다.The suction silencer 100 is a small diameter portion 110 forming the neck so that the refrigerant gas filled in the casing (C) during the resonant movement of the piston (6) is directly sucked into the refrigerant passage (6a) of the piston (6) The large diameter portion 120 inserted into the refrigerant passage 6a and extending from the small diameter portion 6a to form a resonance chamber is tightly fastened to the rear end surface of the piston 6.

상기 커버(2)의 냉매통구(2a) 내측면에 체결되는 냉매가스 안내관(200)은 상기한 흡입소음기(100)의 대경부(120) 직경보다 작은 직경을 갖도록 형성되어 그 흡입소음기(100)의 대경부(120)에 내삽되어 고정된다.The refrigerant gas guide tube 200 fastened to the inner surface of the refrigerant passage 2a of the cover 2 is formed to have a diameter smaller than the diameter of the large diameter portion 120 of the suction silencer 100 and the suction silencer 100 It is inserted into the large diameter portion 120 of the) and is fixed.

도면중 종래와 동일한 부분에 대하여는 동일한 부호를 부여하였다.In the drawings, the same reference numerals are given to the same parts as in the prior art.

도면중 미설명 부호인 8은 토출밸브 조립체, 9는 냉매가스 흡입관이다.In the drawings, reference numeral 8 denotes a discharge valve assembly, and 9 denotes a refrigerant gas suction pipe.

상기와 같이 구성되는 본 발명에 의한 리니어 압축기의 일반적인 동작은 종래와 대동소이하다.The general operation of the linear compressor according to the present invention configured as described above is much the same as in the prior art.

즉, 상기 내 외측 고정자 조립체(4A,4B)로 이루어지는 리니어 모터의 고정자에 전류가 인가되어 유도자기가 발생되면, 상기 고정자 사이에 개재되는 가동자인 마그네트 조립체(5)가 유도자기에 의해 직선 왕복운동을 하게 되어 피스톤(6)이 실린더(3)내를 왕복운동하게 되고, 그 피스톤(6)이 실린더(3)내를 왕복운동함에 따라 냉매가스가 냉매가스 흡입관(9)을 통해 케이싱(C)의 내부에 채워지며, 이 케이싱(C)에 채워진 냉매가스는 피스톤(6)의 흡입행정시 냉매가스 안내관(200) 및 흡입소음기(100) 그리고 피스톤(6)의 냉매유로(6a)를 거쳐 실린더(3)로 흡입되어 압축 토출된다.That is, when an electric current is applied to the stator of the linear motor including the inner and outer stator assemblies 4A and 4B to generate an induction magnet, the magnet assembly 5, which is a mover interposed between the stators, is linearly reciprocated by the induction magnet. The piston 6 reciprocates in the cylinder 3, and as the piston 6 reciprocates in the cylinder 3, the refrigerant gas flows through the refrigerant gas suction pipe 9 to the casing C. The refrigerant gas filled in the casing (C) is passed through the refrigerant gas guide pipe 200 and the suction silencer 100 and the refrigerant passage 6a of the piston 6 during the suction stroke of the piston 6. It is sucked into the cylinder 3 and discharged by compression.

이때, 상기 케이싱(C)의 내부에 채워지는 냉매가스를 냉매유로(6a)로 유도하는 냉매가스 안내관(200)의 끝단이 흡입소음기(100)의 대경부(120)에 깊이 내삽되고, 상기 흡입소음기(100)는 피스톤(6)의 냉매유로(6a)에 삽입 장착되어 있으므로, 상기 냉매가스의 흡입방향에 대해 냉매가스 안내관(200)과 흡입소음기(100) 사이에 틈새가 발생되지 않게 되고, 이로 인해 상기 케이싱(C)에 채워졌다가 피스톤(6)의 흡입행정시 냉매가스 안내관(200)을 거쳐 흡입소음기(또는, 피스톤의 냉매유로)(100)로 흡입되는 냉매가스의 누설이 방지되는 것이다.At this time, the end of the refrigerant gas guide pipe 200 for guiding the refrigerant gas filled in the casing C to the refrigerant passage 6a is deeply interpolated in the large diameter portion 120 of the suction silencer 100, Since the suction silencer 100 is inserted into the refrigerant passage 6a of the piston 6, a gap is not generated between the refrigerant gas guide pipe 200 and the suction silencer 100 in the suction direction of the refrigerant gas. Due to this, leakage of the refrigerant gas filled in the casing C and sucked into the suction silencer (or the refrigerant flow path of the piston) 100 through the refrigerant gas guide tube 200 during the suction stroke of the piston 6 is achieved. This is to be avoided.

이렇게, 상기 피스톤의 냉매유로에 흡입측 소음기를 삽입 장착하고, 상기 냉매유로의 흡입측을 복개하는 커버의 흡입구 내측면에 냉매가스 안내관을 체결시키되 그 냉매가스 안내관의 내측단이 흡입측 소음기에 내삽되도록 하게 되면, 상기 피스톤의 흡입행정시 케이싱에 채워졌다가 냉매유로로 흡입되는 냉매가스가 냉매가스 안내관을 통해 소음기로 누설없이 흡입되므로, 냉매가스의 흡입손실이 최소한으로 감소되어 압축기의 효율이 현저하게 향상된다.In this way, the suction side silencer is inserted into the refrigerant passage of the piston and the refrigerant gas guide tube is fastened to the inner side of the suction port of the cover covering the suction side of the refrigerant passage, and the inner end of the refrigerant gas guide tube is the suction side silencer. When it is inserted into the piston, the refrigerant gas filled in the casing during the suction stroke of the piston and sucked into the refrigerant passage is sucked without leakage into the silencer through the refrigerant gas guide tube, so that the suction loss of the refrigerant gas is reduced to a minimum. The efficiency is significantly improved.

본 발명에 의한 리니어 압축기의 흡입소음기 구조는, 피스톤의 냉매유로에 흡입측 소음기를 삽입 장착하고, 상기 냉매유로의 흡입측을 복개하는 커버의 흡입구 내측면에 냉매가스 안내관을 체결시키되 그 냉매가스 안내관의 내측단이 흡입측 소음기에 내삽되도록 함으로써, 상기 피스톤의 흡입행정시 케이싱에 채워졌다가 냉매유로로 흡입되는 냉매가스가 냉매가스 안내관을 통해 소음기로 누설없이 흡입되므로, 냉매가스의 흡입손실이 최소한으로 감소되어 압축기의 효율이 현저하게 향상된다.The suction silencer structure of the linear compressor according to the present invention includes a suction silencer inserted into a refrigerant passage of a piston and fastening a refrigerant gas guide tube to an inner side of a suction port of a cover covering the suction side of the refrigerant passage. By allowing the inner end of the guide tube to be inserted into the suction side silencer, the refrigerant gas filled in the casing during suction operation of the piston and sucked into the refrigerant passage is sucked without leakage into the silencer through the refrigerant gas guide tube. The loss is reduced to a minimum, which significantly improves the efficiency of the compressor.

Claims (1)

냉매가스 흡입관 및 토출관이 구비된 케이싱의 내부에 리니어 모터가 장착되고, 그 리니어 모터의 가동자에 일체되어 공진운동을 하는 피스톤의 내부에는 상기 냉매가스 흡입관을 통해 케이싱으로 흡입된 냉매가스를 실린더로 유도하는 냉매유로가 형성되며, 그 리니어 모터를 복개하는 커버에는 냉매유로와 냉매가스 흡입관을 연통시키는 냉매통구가 형성되되,The linear motor is mounted inside the casing provided with the refrigerant gas suction pipe and the discharge pipe, and the refrigerant gas sucked into the casing through the refrigerant gas suction pipe is cylinderd inside the piston which is resonant with the mover of the linear motor. A refrigerant flow path leading to the air flow path is formed, and a cover for covering the linear motor is provided with a refrigerant passage for communicating the refrigerant flow path with the refrigerant gas suction pipe. 상기 피스톤의 냉매유로에 삽입되어 목부를 이루는 소경부 및 그 소경부에서 확관 연장되어 공명실을 이루는 대경부가 상기한 피스톤의 후단면에 밀착되어 소음기본체를 형성하고,The small diameter portion inserted into the refrigerant passage of the piston and extending in the small diameter portion and the large diameter portion extending from the small diameter portion to form a resonance chamber closely adheres to the rear end surface of the piston to form a noise main body. 그 소음기본체의 대경부에 내삽되도록 소경부로 형성된 냉매가스 안내관이 상기한 커버의 냉매통구 내측면에 연장되는 것을 특징으로 하는 리니어 압축기의 흡입소음기 구조.And a refrigerant gas guide tube formed of a small diameter portion so as to be inserted into the large diameter portion of the noise main body, and extends on the inner surface of the refrigerant passage of the cover.
KR1019990034393A 1999-08-19 1999-08-19 Suction muffler for linear compressor Expired - Fee Related KR100314013B1 (en)

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KR1019990034393A KR100314013B1 (en) 1999-08-19 1999-08-19 Suction muffler for linear compressor
JP2000143420A JP3662813B2 (en) 1999-08-19 2000-05-11 Linear compressor
BR0010430-2A BR0010430A (en) 1999-08-19 2000-05-11 Linear compressor
US09/576,314 US6398523B1 (en) 1999-08-19 2000-05-22 Linear compressor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030073669A (en) * 2002-03-12 2003-09-19 엘지전자 주식회사 Gas passage valve system for reciprocating compressor
KR100550536B1 (en) * 2003-06-04 2006-02-10 엘지전자 주식회사 Linear compressor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100438955B1 (en) * 2001-12-12 2004-07-03 주식회사 엘지이아이 Reciprocating compressor
CN104675664A (en) * 2013-11-26 2015-06-03 青岛海尔智能技术研发有限公司 Inspiration muffler device of linear compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030073669A (en) * 2002-03-12 2003-09-19 엘지전자 주식회사 Gas passage valve system for reciprocating compressor
KR100550536B1 (en) * 2003-06-04 2006-02-10 엘지전자 주식회사 Linear compressor

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