JP3998693B2 - Compressor with discharge muffler - Google Patents

Compressor with discharge muffler Download PDF

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JP3998693B2
JP3998693B2 JP2005179644A JP2005179644A JP3998693B2 JP 3998693 B2 JP3998693 B2 JP 3998693B2 JP 2005179644 A JP2005179644 A JP 2005179644A JP 2005179644 A JP2005179644 A JP 2005179644A JP 3998693 B2 JP3998693 B2 JP 3998693B2
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discharge
discharge muffler
cylinder block
compressor
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JP2006083843A (en
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成 魯 李
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三星光州電子株式会社
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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
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Description

本発明は、圧縮機に関するもので、詳しくは、吐出冷媒の騷音を低減するための複数の吐出マフラーを備えた圧縮機に関するものである。   The present invention relates to a compressor, and more particularly, to a compressor provided with a plurality of discharge mufflers for reducing the noise of discharged refrigerant.

一般に、冷蔵庫や空気調和機などの冷凍サイクルに採用される圧縮機は、密閉容器によって外観をなしており、この密閉容器の内部には、冷媒の圧縮が行われる圧縮部と、冷媒の圧縮による圧縮動力を提供する駆動部と、が設置され、密閉容器の一側および他側には、外部の冷媒を密閉容器の内部に案内する吸入管と、圧縮部で圧縮された冷媒を密閉容器の外部に吐出する吐出管とが設置される。   In general, a compressor employed in a refrigeration cycle such as a refrigerator or an air conditioner has an external appearance by a sealed container, and inside the sealed container is a compression unit that compresses the refrigerant, and a compressor that compresses the refrigerant. A drive unit that provides compression power, and on one side and the other side of the sealed container, a suction pipe that guides an external refrigerant to the inside of the sealed container, and a refrigerant compressed by the compression unit. A discharge pipe for discharging to the outside is installed.

圧縮部は、密閉容器の下部に設けられるもので、冷媒を圧縮するための圧縮室が形成されたシリンダーブロックと、圧縮室の内部で直線往復運動をして冷媒の圧縮作用を行うピストンと、圧縮室を密閉すためにシリンダーブロックの一側に結合されるとともに、吐出室と吸入室とが区画形成されたシリンダーヘッドと、これらシリンダーブロックとシリンダーヘッドとの間に設けられ、吸入室から圧縮室に吸入されるか、圧縮室から吐出室に吐出される冷媒の流れを取り締まるためのバルブ装置とから構成される。   The compression unit is provided in the lower part of the hermetic container, and a cylinder block in which a compression chamber for compressing the refrigerant is formed, a piston that performs a linear reciprocating motion inside the compression chamber, and compresses the refrigerant, The cylinder head is coupled to one side of the cylinder block to seal the compression chamber, and the discharge chamber and the suction chamber are partitioned. The cylinder head is provided between the cylinder block and the cylinder head, and is compressed from the suction chamber. And a valve device for controlling the flow of the refrigerant sucked into the chamber or discharged from the compression chamber into the discharge chamber.

このような構成により、駆動部が駆動されると、ピストンが圧縮室の内部で直線往復運動をする。次いで、密閉容器の外側の冷媒は、吸入管からシリンダーヘッドの吸入室に流入された後、圧縮室に伝達されて圧縮室の内部で圧縮される。次いで、この圧縮室で圧縮された冷媒は、再びシリンダーヘッドの冷媒吐出室に吐出された後、吐出管を通して密閉容器の外部に吐出される。このような過程が反復的に行われることで、圧縮機による冷媒の圧縮作用が行われる。   With such a configuration, when the driving unit is driven, the piston reciprocates linearly inside the compression chamber. Next, the refrigerant outside the sealed container flows from the suction pipe into the suction chamber of the cylinder head, and then is transmitted to the compression chamber and compressed inside the compression chamber. Next, the refrigerant compressed in the compression chamber is again discharged into the refrigerant discharge chamber of the cylinder head, and then discharged to the outside of the sealed container through the discharge pipe. By repeatedly performing such a process, the refrigerant is compressed by the compressor.

一方、前記シリンダーブロックの一側には、吐出室と吐出管との間を連結する流路上に設置されるものとして、吐出室から吐出される冷媒の騷音を低減するための吐出マフラーが設けられるが、この吐出マフラーは、内部空間が吐出室および吐出管と直接連通されて所定の膨脹空間を形成する第１吐出マフラーと、内部空間が第１吐出マフラーの内部空間および連通流路を通して連結されてヘルムホルツ共鳴空間を形成する第２吐出マフラーとを含んでいる。   On the other hand, on one side of the cylinder block, a discharge muffler is provided to reduce the noise of the refrigerant discharged from the discharge chamber, which is installed on the flow path connecting the discharge chamber and the discharge pipe. However, the discharge muffler is connected to the first discharge muffler in which the internal space is directly connected to the discharge chamber and the discharge pipe to form a predetermined expansion space, and the internal space is connected through the internal space of the first discharge muffler and the communication channel. And a second discharge muffler that forms a Helmholtz resonance space.

したがって、吐出室から第１吐出マフラーを経て吐出管に移動する冷媒は、膨脹空間を形成する第１吐出ラフラーの内部で拡散されるとともに、ヘルムホルツ共鳴空間を形成する第２吐出マフラーの騷音相殺作用によって脈動騷音が低減した状態で密閉容器の外部に吐出される。   Accordingly, the refrigerant that moves from the discharge chamber to the discharge pipe through the first discharge muffler is diffused inside the first discharge rougher that forms the expansion space, and the noise cancellation of the second discharge muffler that forms the Helmholtz resonance space. It is discharged to the outside of the sealed container in a state where pulsation noise is reduced by the action.

しかしながら、従来の吐出マフラーを備えた圧縮機は、第１吐出マフラーの内部空間を通して形成される単一の膨脹空間のみを備えているため、吐出マフラーによる反復的な冷媒の拡散が困難になり、吐出冷媒の脈動騷音を大幅に減少できなくなるという問題点があった。   However, since the compressor having the conventional discharge muffler has only a single expansion space formed through the internal space of the first discharge muffler, it becomes difficult to repeatedly diffuse the refrigerant by the discharge muffler. There was a problem that the pulsation noise of the discharged refrigerant could not be significantly reduced.

本発明は、前記問題点を解決するためになされたもので、冷媒の吐出騷音をさらに低減するための吐出マフラーを備えた圧縮機を提供することを目的とする。   The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a compressor including a discharge muffler for further reducing the discharge noise of the refrigerant.

前記目的を達成するために、本発明による吐出マフラーを備えた圧縮機は、密閉容器内部のシリンダーブロックに設けられる圧縮室と；前記圧縮室で圧縮された冷媒を前記密閉容器の外部に吐出するために前記密閉容器に設置される吐出管と；前記圧縮室と吐出管との間に設けられ、内部空間が前記圧縮室側と直接連通される第１空間と、前記吐出管側と直接連通される第２空間とに相互区画された第１吐出マフラーと；内部空間が前記第１空間および第２空間と別途の連通流路を通して連通される第２吐出マフラーとを含むことを特徴とする。   In order to achieve the above object, a compressor provided with a discharge muffler according to the present invention includes a compression chamber provided in a cylinder block inside a sealed container; and discharges the refrigerant compressed in the compression chamber to the outside of the sealed container. A discharge pipe installed in the hermetic container; a first space provided between the compression chamber and the discharge pipe and having an internal space directly communicating with the compression chamber side; and a direct communication with the discharge pipe side A first discharge muffler that is partitioned into a second space, and a second discharge muffler in which the internal space communicates with the first space and the second space through a separate communication channel. .

また、前記第１および第２吐出マフラーは、前記シリンダーブロックに設けられ、前記連通流路は、前記シリンダーブロックの内部に形成されることを特徴とする。   The first and second discharge mufflers are provided in the cylinder block, and the communication channel is formed in the cylinder block.

また、前記連通流路は、前記シリンダーブロックをドリル加工して設けられることを特徴とする。   The communication channel is provided by drilling the cylinder block.

また、前記第１吐出マフラーには、前記第１空間と第２空間とを区画する区画部材が設けられ、前記区画部材には、前記第１空間および第２空間が相互密閉された状態で区画設置されることを特徴とする。また、前記第１吐出マフラーには、前記第１空間と第２空間とを区画する区画部材が設けられ、前記区画部材には、前記第１空間と第２空間とが相互連通された状態で区画設置されることを特徴とする。   Further, the first discharge muffler is provided with a partition member that partitions the first space and the second space, and the partition member is partitioned in a state where the first space and the second space are mutually sealed. It is installed. The first discharge muffler is provided with a partition member that partitions the first space and the second space, and the partition member is in a state where the first space and the second space are in communication with each other. It is characterized by being installed in a compartment.

また、前記第１吐出マフラーは、前記シリンダーブロックに形成された陥没部と、前記陥没部の開口部を閉鎖するための蓋と、前記第１空間と第２空間とを区画するために前記陥没部の内部に設けられる区画部材とを含み、前記区画部材と前記蓋との間には、前記第１空間と第２空間とを連通する連通部が設けられたことを特徴とする。   Further, the first discharge muffler includes the depressed portion formed in the cylinder block, a lid for closing the opening of the depressed portion, and the depressed portion for partitioning the first space and the second space. A partition member provided inside the section, and a communication portion that communicates the first space and the second space is provided between the partition member and the lid.

また、前記第１吐出マフラーは、前記シリンダーブロックに形成された陥没部と、前記陥没部の開口部を閉鎖するための蓋と、前記第１空間と第２空間とを区画するために前記陥没部の内部に設けられる区画部材とを含み、前記区画部材は、前記シリンダーブロックと一体に鋳物で製作されることを特徴とする。   Further, the first discharge muffler includes the depressed portion formed in the cylinder block, a lid for closing the opening of the depressed portion, and the depressed portion for partitioning the first space and the second space. A partition member provided inside the portion, wherein the partition member is made of a casting integrally with the cylinder block.

本発明による吐出マフラーを備えた圧縮機は、従来のように一対の吐出マフラーを採用しながらも、前記区画部材および連通流路を通して冷媒の拡散作用を反復的に行うことで、吐出冷媒の脈動騷音をさらに大幅に低減できるという効果がある。   A compressor equipped with a discharge muffler according to the present invention employs a pair of discharge mufflers as in the prior art, but repeatedly performs the diffusion action of the refrigerant through the partition member and the communication channel, thereby pulsating the discharged refrigerant. There is an effect that stuttering can be further greatly reduced.

以下、本発明の実施の形態を図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

本発明による圧縮機は、図１および図２に示すように、上部容器１ａと下部容器１ｂとが結合形成される密閉容器１と、この密閉容器１の内部に設けられるものとして、冷媒の圧縮が行われる圧縮部１０と、冷媒の圧縮による圧縮動力を提供する駆動部２０とを備えており、密閉容器１の一側および他側には、外部の冷媒を密閉容器１の内部に案内する吸入管２と、圧縮部１０で圧縮された冷媒を密閉容器１の外部に吐出する吐出管３とが設けられる。   As shown in FIG. 1 and FIG. 2, the compressor according to the present invention includes a sealed container 1 in which an upper container 1a and a lower container 1b are joined together, and a compressor for compressing a refrigerant provided inside the sealed container 1. And a drive unit 20 that provides compression power by compression of the refrigerant, and guides an external refrigerant to the inside of the sealed container 1 on one side and the other side of the sealed container 1. A suction pipe 2 and a discharge pipe 3 for discharging the refrigerant compressed by the compression unit 10 to the outside of the sealed container 1 are provided.

圧縮部１０は、冷媒を圧縮するための圧縮室１１ａが形成されたシリンダーブロック１１と、圧縮室１１ａの内部で直線往復運動をして冷媒の圧縮作用を行うピストン１２と、圧縮室１１ａを密閉するためにシリンダーブロック１１の一側に結合されるとともに、吸入室１３ａと吐出室１３ｂとが区画形成されたシリンダーヘッド１３と、これらシリンダーブロック１１とシリンダーヘッド１３との間に設けられ、吸入室１３ａから圧縮室１１ａに吸入されるか、圧縮室１１ａから吐出室１３ｂに吐出される冷媒の流れを取り締まるためのバルブ装置１４とから構成される。   The compression unit 10 hermetically seals the cylinder block 11 in which the compression chamber 11a for compressing the refrigerant is formed, the piston 12 that reciprocates linearly inside the compression chamber 11a and compresses the refrigerant, and the compression chamber 11a. The cylinder head 11 is coupled to one side of the cylinder block 11 and has a suction chamber 13a and a discharge chamber 13b. The cylinder head 13 is provided between the cylinder block 11 and the cylinder head 13, and the suction chamber The valve device 14 is configured to control the flow of refrigerant that is sucked into the compression chamber 11a from 13a or discharged from the compression chamber 11a into the discharge chamber 13b.

また、駆動部２０は、ピストン１２が圧縮室１１ａの内部で往復運動をするための駆動力を提供するもので、密閉容器１の内部に固定された固定子２１と、この固定子２１の内部に離隔設置され、固定子２１と電磁気的に相互作用をする回転子２２とを備えている。また、回転子２２の中心部には、回転子２２と一緒に回転する回転軸２３が設けられ、回転軸２３の下部には、偏心回転する偏心部２４と、この偏心部２４の偏心回転を直線運動に転換するために、一端は偏心部２４に回転運動自在に結合され、他端はピストン１２に回転および直線運動自在に設置されたコネクティングロッド２５とが設けられる。ここで、符号２６は、シリンダーブロック１１の上部に取り付けられて回転軸２３および回転子２２の回転を支持する支持ベアリングである。   The driving unit 20 provides a driving force for the piston 12 to reciprocate inside the compression chamber 11a. The driving unit 20 includes a stator 21 fixed inside the hermetic container 1 and an interior of the stator 21. And a rotor 22 that is electromagnetically interacted with the stator 21. A rotating shaft 23 that rotates together with the rotor 22 is provided at the center of the rotor 22. An eccentric portion 24 that rotates eccentrically and an eccentric rotation of the eccentric portion 24 are provided below the rotating shaft 23. In order to convert to linear motion, one end is rotatably coupled to the eccentric portion 24, and the other end is provided with a connecting rod 25 that is rotatably and linearly mounted on the piston 12. Here, reference numeral 26 denotes a support bearing that is attached to the upper portion of the cylinder block 11 and supports the rotation of the rotary shaft 23 and the rotor 22.

したがって、このように構成された圧縮機は、電源印加による固定子２１と回転子２２との間の電気的な相互作用により、回転子２２と一緒に回転軸２３が回転すると、偏心部２４およびコネクティングロッド２５により連結されたピストン１２が圧縮室１１ａの内部で直線往復運動をする。次いで、密閉容器１の外側の冷媒は、吸入管２からシリンダーヘッド１３の吸入室１３ａに流入された後、圧縮室１１ａに伝達されて圧縮室１１ａの内部で圧縮される。次いで、この圧縮室１１ａで圧縮された冷媒は、再びシリンダーヘッド１３の吐出室１３ｂに吐出された後、吐出管４を通して密閉容器１の外部に吐出される。このような過程が反復的に行われることで、圧縮機による冷媒の圧縮作用が行われる。   Therefore, in the compressor configured as described above, when the rotating shaft 23 rotates together with the rotor 22 due to the electrical interaction between the stator 21 and the rotor 22 by applying power, the eccentric portion 24 and The piston 12 connected by the connecting rod 25 reciprocates linearly inside the compression chamber 11a. Next, the refrigerant outside the sealed container 1 flows from the suction pipe 2 into the suction chamber 13a of the cylinder head 13, and then is transmitted to the compression chamber 11a and compressed inside the compression chamber 11a. Next, the refrigerant compressed in the compression chamber 11 a is again discharged into the discharge chamber 13 b of the cylinder head 13 and then discharged to the outside of the sealed container 1 through the discharge pipe 4. By repeatedly performing such a process, the refrigerant is compressed by the compressor.

また、シリンダーヘッド１３の上部には、吸入管２から圧縮室１１ａに吸入される冷媒の吸入騷音を低減するために吸入室１３ａと吸入管２との間を連結する吸入マフラー３０が設置され、シリンダーブロック１１の下部側には、圧縮室１１ａから吐出管３に吐出される冷媒の吐出騷音を低減するための吐出マフラー４０，５０が設置される。   In addition, a suction muffler 30 that connects the suction chamber 13a and the suction pipe 2 is installed at the upper part of the cylinder head 13 in order to reduce the suction noise of the refrigerant sucked from the suction pipe 2 into the compression chamber 11a. On the lower side of the cylinder block 11, discharge mufflers 40 and 50 for reducing the discharge noise of the refrigerant discharged from the compression chamber 11 a to the discharge pipe 3 are installed.

また、吐出マフラー４０，５０は、図３および図４に示すように、シリンダーヘッド１３の吐出室１３ｂと吐出管３との間に設けられ、内部空間が吐出室１３ｂと直接連通される第１空間６１と、吐出管３と直接連通される第２空間６２とに相互区画された第１吐出マフラー４０と、内部空間７０が第１および第２空間６１，６２と第１および第２連通流路８１，８２を通して個別的に連通される第２吐出マフラー５０とを含んで構成されるが、これら吐出マフラー４０，５０の構成によると、吐出室１３ｂから吐出される冷媒は、第１吐出マフラー４０の内部に形成される第１空間６１、第２吐出マフラー５０の内部空間７０、第１吐出マフラー４０の内部に形成される第２空間６２を順に経由して各空間の内部で拡散されることで、吐出冷媒の騷音をさらに大幅に低減することができる。   Further, as shown in FIGS. 3 and 4, the discharge mufflers 40 and 50 are provided between the discharge chamber 13b of the cylinder head 13 and the discharge pipe 3, and the first space in which the internal space communicates directly with the discharge chamber 13b. A first discharge muffler 40 that is partitioned into a space 61 and a second space 62 that is in direct communication with the discharge pipe 3, and an internal space 70 is connected to the first and second spaces 61 and 62 and the first and second communication flows. The second discharge muffler 50 that is individually communicated through the passages 81 and 82 is configured. According to the configuration of the discharge mufflers 40 and 50, the refrigerant discharged from the discharge chamber 13b is the first discharge muffler. The first space 61 formed inside 40, the inner space 70 of the second discharge muffler 50, and the second space 62 formed inside the first discharge muffler 40 are sequentially diffused inside each space. By discharging It is possible to further significantly reduce the noise of the medium.

すなわち、前記構成により、吐出室１３ｂから吐出された冷媒は、まず、第１吐出マフラー４０の第１空間６１に流入されて拡散され、１次的に騷音が低減した状態で第１連通流路８１を通して第２吐出マフラー５０の内部空間７０に流入される。次いで、第２吐出マフラー５０の内部空間７０に流入されて拡散され、２次的に騷音が低減した冷媒は、再び第２連通流路８２を通して第１吐出マフラー４０の第２空間６２に流入されて拡散され、３次的に騷音が低減した状態で吐出管３を通して外部に吐出される。このような第１吐出マフラー４０の区画構造および第１吐出マフラー４０と第２吐出マフラーとの間の連通構造によって、複数の空間を順に経由して反復的に拡散された冷媒は、大幅に脈動騷音が低減した状態で吐出管３を通して吐出される。   That is, with the above-described configuration, the refrigerant discharged from the discharge chamber 13b is first flown into the first space 61 of the first discharge muffler 40 and diffused, and the first communication flow with the primary noise reduction. It flows into the internal space 70 of the second discharge muffler 50 through the passage 81. Next, the refrigerant that has flowed into the internal space 70 of the second discharge muffler 50 and diffused and secondarily reduced noises flows again into the second space 62 of the first discharge muffler 40 through the second communication channel 82. Then, it is diffused and discharged to the outside through the discharge pipe 3 in a state where the noise is reduced three-dimensionally. Due to the partition structure of the first discharge muffler 40 and the communication structure between the first discharge muffler 40 and the second discharge muffler, the refrigerant that has been repeatedly diffused through a plurality of spaces in order is greatly pulsated. It discharges through the discharge pipe 3 in a state where the noise is reduced.

以下、これら吐出マフラー４０，５０の構造をさらに詳しく説明する。シリンダーブロック１１の下部の一側および他側にそれぞれ設けられる第１および第２吐出マフラー４０，５０は、シリンダーブロック１１の下部外面からシリンダーブロック１１の内側にそれぞれ陥没される陥没部４１，５１と、これら陥没部４１，５１の開口部を閉鎖するための蓋４２，５２と、から構成されるが、陥没部４１，５１は、第１吐出マフラー４０を形成する第１陥没部４１と、第２吐出マフラー５０を形成する第２陥没部５１と、に区分される。また、蓋４２，５２は、第１陥没部４１の開口部を閉鎖する第１蓋４２と、第２陥没部５１の開口部を閉鎖する第２蓋５２と、に区分され、これら第１および第２蓋４２，５２は、ボルト９０により第１および第２陥没部４１，５１にそれぞれ締結される。また、第１陥没部４１と吐出室１３ｂとの間のシリンダーブロック１１には、吐出室１３ｂから吐出される冷媒を第１吐出マフラー４０の内部に案内する連結流路１１ｂが形成され、密閉容器１の内部側に形成された吐出管３の端は、第１蓋４２に結合されるとともに、第１吐出マフラー４０の内部空間に延長される。また、第１陥没部４１の内側には、第１吐出マフラー４０の内部空間が連結流路１１ｂと直接連通される第１空間６１と、吐出管３と直接連通される第２空間６２と、に区画する区画部材４３が設けられ、区画部材４３には、第１空間６１および第２空間６２が相互密閉された状態で区画設置される。   Hereinafter, the structure of these discharge mufflers 40 and 50 will be described in more detail. The first and second discharge mufflers 40 and 50 provided respectively on one side and the other side of the lower portion of the cylinder block 11 are recessed portions 41 and 51 respectively recessed from the lower outer surface of the cylinder block 11 to the inside of the cylinder block 11. The lids 42 and 52 for closing the openings of the depressions 41 and 51 are constituted by the first depression 41 and the first depression 41 that form the first discharge muffler 40. And a second depressed portion 51 that forms a two-discharge muffler 50. The lids 42 and 52 are divided into a first lid 42 that closes the opening of the first depression 41 and a second lid 52 that closes the opening of the second depression 51. The second lids 42 and 52 are fastened to the first and second depressed portions 41 and 51 by bolts 90, respectively. Further, the cylinder block 11 between the first depression 41 and the discharge chamber 13b is formed with a connection channel 11b for guiding the refrigerant discharged from the discharge chamber 13b to the inside of the first discharge muffler 40. The end of the discharge pipe 3 formed on the inner side of 1 is coupled to the first lid 42 and extended to the internal space of the first discharge muffler 40. Further, inside the first depressed portion 41, a first space 61 in which the internal space of the first discharge muffler 40 is directly communicated with the connection flow path 11b, a second space 62 that is directly communicated with the discharge pipe 3, and A partition member 43 is provided for partitioning, and the partition member 43 is partitioned and installed with the first space 61 and the second space 62 sealed together.

ここで、区画部材４３は、別途の部材により製作されて第１陥没部４１に結合する煩雑さをなくすために、シリンダーブロック１１の製作時、シリンダーブロック１１と一体に鋳物で製作され、この区画部材４３の中央部には、ボルト９０を締結するための雌ねじホールが形成された第１ボス部４３ａが設けられる。ここで、未説明符号５３は、第２蓋５２がボルト９０により第２陥没部５１に締結されるように第２陥没部５１に設けられ、雌ねじホールが形成された円筒状の第２ボス部である。   Here, the partition member 43 is manufactured by a separate member and is made of a casting integrally with the cylinder block 11 when the cylinder block 11 is manufactured in order to eliminate the complexity of coupling to the first depression 41. A first boss portion 43 a in which a female screw hole for fastening the bolt 90 is formed is provided at the center of the member 43. Here, the unexplained reference numeral 53 is a cylindrical second boss portion provided in the second depressed portion 51 so that the second lid 52 is fastened to the second depressed portion 51 by the bolt 90, and in which a female screw hole is formed. It is.

また、連通流路８１，８２は、第１吐出マフラー４０の第１空間６１と第２吐出マフラー５０の内部空間７０とを連通するために、第１空間６１側の第１陥没部４１と第２陥没部５１との間のシリンダーブロック１１の内部に設けられる第１連通流路８１と、第１吐出マフラー４０の第２空間６２と第２吐出マフラー５０の内部空間７０とを連通するために、第２空間６２側の第１陥没部４１と第２陥没部５１との間のシリンダーブロック１１の内部に設けられる第２連通流路８２と、を含んでおり、これら第１および第２連通流路８１，８２は、シリンダーブロック１１を直接ドリル加工して形成し、別途の管やチューブを使用しないことが好ましい。   In addition, the communication channels 81 and 82 communicate with the first depressed portion 41 on the first space 61 side and the first depression 61 in order to communicate the first space 61 of the first discharge muffler 40 and the internal space 70 of the second discharge muffler 50. In order to communicate the first communication flow path 81 provided inside the cylinder block 11 between the two depressed portions 51, the second space 62 of the first discharge muffler 40, and the inner space 70 of the second discharge muffler 50. And a second communication channel 82 provided inside the cylinder block 11 between the first depression 41 and the second depression 51 on the second space 62 side, and these first and second communication channels are provided. The flow paths 81 and 82 are preferably formed by directly drilling the cylinder block 11 and do not use a separate pipe or tube.

以下、本発明による密閉型圧縮機の動作およびこれによる作用効果に関して説明する。   Hereinafter, the operation of the hermetic compressor according to the present invention and the operation and effect thereof will be described.

まず、電源が印加され、固定子２１と回転子２２との間の電気的な相互作用によって回転子２２と一緒に回転軸２３が回転すると、偏心部２４およびコネクティングロッド２５により連結されたピストン１２が圧縮室１１ａの内部で直線往復運動をする。次いで、密閉容器１の外側の冷媒は、吸入管２から吸入マフラー３０を経て多少騷音が低減した状態でシリンダーヘッド１３の吸入室１３ａに流入された後、圧縮室１１ａに伝達されて圧縮室１１ａの内部で圧縮される。次いで、この圧縮室１１ａで圧縮された冷媒は、再びシリンダーヘッド１３の吐出室１３ｂに吐出される。   First, when power is applied and the rotating shaft 23 rotates together with the rotor 22 by electrical interaction between the stator 21 and the rotor 22, the piston 12 connected by the eccentric portion 24 and the connecting rod 25. Reciprocates linearly inside the compression chamber 11a. Next, the refrigerant outside the sealed container 1 flows from the suction pipe 2 through the suction muffler 30 into the suction chamber 13a of the cylinder head 13 with some noise reduction, and is then transmitted to the compression chamber 11a. It is compressed inside 11a. Next, the refrigerant compressed in the compression chamber 11 a is again discharged into the discharge chamber 13 b of the cylinder head 13.

前記のように、吐出室１３ｂから吐出された冷媒は、まず、第１吐出マフラー４０の第１空間６１に流入されて拡散され、１次的に騷音が低減した状態で第１連通流路８１を通して第２吐出マフラー５０の内部空間７０に流入される。次いで、第２吐出マフラー５０の内部空間７０に流入されて拡散され、２次的に騷音が低減した冷媒は、再び第２連通流路８２を通して第１吐出マフラー４０の第２空間６２に流入されて拡散され、３次的に騷音が低減した状態で吐出管３を通して外部に吐出される。このような第１吐出マフラー４０の区画構造および第１吐出マフラー４０と第２吐出マフラー５０との間の連通構造によって複数の空間を順に経由して反復的に拡散された冷媒は、大幅に脈動騷音が低減した状態で吐出管３を通して吐出される。   As described above, the refrigerant discharged from the discharge chamber 13b is first flown into the first space 61 of the first discharge muffler 40 and diffused, and the first communication flow path is primarily reduced in noise. The air flows into the internal space 70 of the second discharge muffler 50 through 81. Next, the refrigerant that has flowed into the internal space 70 of the second discharge muffler 50 and diffused and secondarily reduced noises flows again into the second space 62 of the first discharge muffler 40 through the second communication channel 82. Then, it is diffused and discharged to the outside through the discharge pipe 3 in a state where the noise is reduced three-dimensionally. The refrigerant that has been repeatedly diffused through a plurality of spaces in order by the partition structure of the first discharge muffler 40 and the communication structure between the first discharge muffler 40 and the second discharge muffler 50 significantly pulsates. It discharges through the discharge pipe 3 in a state where the noise is reduced.

一方、図５および図６には、本発明の他の実施形態による吐出マフラー４０，５０が示されているが、図５に示すように、本発明の他の実施形態による吐出マフラー４０，５０において、第１吐出マフラー４０の内部空間に設けられる区画部材４３’には、第１空間６１と第２空間６２とが相互連通された状態で区画設置され、第１空間６１と第２空間６２とが連通されるように、第１蓋４２の内面と第１蓋４２側の区画部材４３’の端との間には連通部４４が形成される。   5 and 6 show discharge mufflers 40 and 50 according to other embodiments of the present invention. As shown in FIG. 5, discharge mufflers 40 and 50 according to other embodiments of the present invention. The partition member 43 ′ provided in the internal space of the first discharge muffler 40 is partitioned and installed in a state where the first space 61 and the second space 62 are in communication with each other, and the first space 61 and the second space 62 are provided. Is formed between the inner surface of the first lid 42 and the end of the partition member 43 ′ on the first lid 42 side.

よって、吐出室１３ｂから吐出された冷媒が、第１吐出マフラー４０の第１空間６１、第２吐出マフラー５０の内部空間７０、第１吐出マフラー４０の第２空間６２を順に経由して反復的に拡散されるとともに、第１空間６１に移動された冷媒の一部が区画部材４３’と第１蓋４２との間の連通部４４を通して第２空間６２に流動されるようになり、第２空間６２が拡散空間およびヘルムホルツ共鳴空間の機能を備えることで、第１実施形態とは多少異なる方式でありながらも、冷媒の脈動騷音を大幅に低減することができる。   Therefore, the refrigerant discharged from the discharge chamber 13b repeatedly passes through the first space 61 of the first discharge muffler 40, the internal space 70 of the second discharge muffler 50, and the second space 62 of the first discharge muffler 40 in order. And a part of the refrigerant moved to the first space 61 flows into the second space 62 through the communication portion 44 between the partition member 43 ′ and the first lid 42. By providing the space 62 with the functions of the diffusion space and the Helmholtz resonance space, the pulsating noise of the refrigerant can be greatly reduced although the method is slightly different from that of the first embodiment.

本発明による密閉型圧縮機の全体的な構造を示した断面図である。It is sectional drawing which showed the whole structure of the hermetic compressor by this invention. 図１のＡ−Ａ線断面図である。It is the sectional view on the AA line of FIG. 図２のＢ−Ｂ線断面図で、吐出マフラーの構造を示した図である。FIG. 3 is a sectional view taken along line BB in FIG. 2 and shows a structure of a discharge muffler. 図３のＣ−Ｃ線断面図で、冷媒の流れを示した図である。It is the CC sectional view taken on the line of FIG. 3, and the figure which showed the flow of the refrigerant | coolant. 図２のＢ−Ｂ線断面図で、本発明の他の実施形態による吐出マフラーの構造を示した図である。FIG. 6 is a cross-sectional view taken along line B-B in FIG. 2 and shows a structure of a discharge muffler according to another embodiment of the present invention. 図５のＤ−Ｄ線断面図で、冷媒の流れを示した図である。It is the DD sectional view taken on the line of FIG. 5, and the figure which showed the flow of the refrigerant | coolant.

符号の説明Explanation of symbols

３ 吐出管
１１ シリンダーブロック
１１ｂ 連結流路
４０，５０ 第１および第２吐出マフラー
４１，５１ 第１および第２陥没部
４３ 区画部材
４３ａ，５３ 第１および第２ボス部
６１，６２ 第１および第２空間
７０ 内部空間
８１，８２ 連通流路 3 Discharge pipe 11 Cylinder block 11b Connection flow path 40, 50 First and second discharge mufflers 41, 51 First and second recessed portions 43 Partition members 43a, 53 First and second boss portions 61, 62 First and second 2 space 70 Internal space 81, 82 Communication flow path

Claims (7)

密閉容器内部のシリンダーブロックに設けられる圧縮室と；前記圧縮室で圧縮された冷媒を前記密閉容器の外部に吐出するために前記密閉容器に設置される吐出管と；前記圧縮室と吐出管との間に設けられ、内部空間が前記圧縮室側と直接連通される第１空間と、前記吐出管側と直接連通される第２空間と、に相互区画された第１吐出マフラーと；内部空間が前記第１空間および第２空間と別途の連通流路を通して連通される第２吐出マフラーとを含むことを特徴とする吐出マフラーを備えた圧縮機。   A compression chamber provided in a cylinder block inside the sealed container; a discharge pipe installed in the sealed container for discharging the refrigerant compressed in the compression chamber to the outside of the sealed container; and the compression chamber and the discharge pipe; A first discharge muffler which is provided between the first discharge muffler and is partitioned into a first space in which the internal space is in direct communication with the compression chamber side and a second space in direct communication with the discharge pipe side; Including a second discharge muffler that communicates with the first space and the second space through a separate communication channel. 前記第１および第２吐出マフラーは、前記シリンダーブロックに設けられ、前記連通流路は、前記シリンダーブロックの内部に形成されることを特徴とする請求項１記載の吐出マフラーを備えた圧縮機。   The compressor with a discharge muffler according to claim 1, wherein the first and second discharge mufflers are provided in the cylinder block, and the communication channel is formed inside the cylinder block. 前記連通流路は、前記シリンダーブロックをドリル加工して設けられることを特徴とする請求項２記載の吐出マフラーを備えた圧縮機。   The compressor having a discharge muffler according to claim 2, wherein the communication channel is provided by drilling the cylinder block. 前記第１吐出マフラーには、前記第１空間と第２空間とを区画する区画部材が設けられ、前記区画部材には、前記第１空間および第２空間が相互密閉された状態で区画設置されることを特徴とする請求項１記載の吐出マフラーを備えた圧縮機。   The first discharge muffler is provided with a partition member that partitions the first space and the second space, and the partition member is partitioned and installed in a state where the first space and the second space are mutually sealed. The compressor provided with the discharge muffler according to claim 1. 前記第１吐出マフラーには、前記第１空間と第２空間とを区画する区画部材が設けられ、前記区画部材には、前記第１空間と第２空間とが相互連通された状態で区画設置されることを特徴とする請求項１記載の吐出マフラーを備えた圧縮機。   The first discharge muffler is provided with a partition member that partitions the first space and the second space, and the partition member is partitioned and installed in a state where the first space and the second space are in communication with each other. The compressor provided with the discharge muffler according to claim 1. 前記第１吐出マフラーは、前記シリンダーブロックに形成された陥没部と、前記陥没部の開口部を閉鎖するための蓋と、前記第１空間と第２空間とを区画するために前記陥没部の内部に設けられる区画部材と、を含み、前記区画部材と前記蓋との間には、前記第１空間と第２空間とを連通する連通部が設けられたことを特徴とする請求項５記載の吐出マフラーを備えた圧縮機。   The first discharge muffler includes a depressed portion formed in the cylinder block, a lid for closing the opening of the depressed portion, and the depressed portion for partitioning the first space and the second space. 6. A partition member provided inside, wherein a communication portion that communicates the first space and the second space is provided between the partition member and the lid. Compressor with a discharge muffler. 前記第１吐出マフラーは、前記シリンダーブロックに形成された陥没部と、前記陥没部の開口部を閉鎖するための蓋と、前記第１空間と第２空間とを区画するために前記陥没部の内部に設けられる区画部材とを含み、前記区画部材は、前記シリンダーブロックと一体に鋳物で製作されることを特徴とする請求項１記載の吐出マフラーを備えた圧縮機。   The first discharge muffler includes a depressed portion formed in the cylinder block, a lid for closing the opening of the depressed portion, and the depressed portion for partitioning the first space and the second space. The compressor having a discharge muffler according to claim 1, further comprising a partition member provided inside, wherein the partition member is made of a casting integrally with the cylinder block.
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US20060018778A1 (en) * 2004-07-20 2006-01-26 Samsung Gwangju Electronics Co., Ltd. Hermetic compressor
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CN1749564A (en) 2006-03-22
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ITMI20051180A1 (en) 2006-03-15
CN100373050C (en) 2008-03-05
US20060056990A1 (en) 2006-03-16
JP2006083843A (en) 2006-03-30
BRPI0502472A (en) 2006-04-25

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