EP1321674B1 - Schallgehäuse für Verdichter - Google Patents

Schallgehäuse für Verdichter Download PDF

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Publication number
EP1321674B1
EP1321674B1 EP02022062A EP02022062A EP1321674B1 EP 1321674 B1 EP1321674 B1 EP 1321674B1 EP 02022062 A EP02022062 A EP 02022062A EP 02022062 A EP02022062 A EP 02022062A EP 1321674 B1 EP1321674 B1 EP 1321674B1
Authority
EP
European Patent Office
Prior art keywords
casing
compressor
circumferential surface
outer circumferential
sound insulation
Prior art date
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.)
Expired - Fee Related
Application number
EP02022062A
Other languages
English (en)
French (fr)
Other versions
EP1321674A3 (de
EP1321674A2 (de
Inventor
Jin-Sub Song
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1321674A2 publication Critical patent/EP1321674A2/de
Publication of EP1321674A3 publication Critical patent/EP1321674A3/de
Application granted granted Critical
Publication of EP1321674B1 publication Critical patent/EP1321674B1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F04C29/065—Noise dampening volumes, e.g. muffler chambers
    • F04C29/066—Noise dampening volumes, e.g. muffler chambers with means to enclose the source of noise
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • 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
    • F04B39/0033—Pulsation and noise damping means with encapsulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps

Definitions

  • the present invention relates to a compressor for compressing a fluid, and more particularly, to a compressor with a sound insulation case that is capable of minimizing outward transmission of a noise generated from a compressor.
  • a compressor which compresses a fluid to heighten a pressure of the fluid, is used for a freezing cycle of a refrigerator or an air-conditioner of home appliances.
  • Figure 1 is a perspective view showing an external appearance of a compressor and Figure 2 is a sectional view of the compressor in accordance with a conventional art.
  • a conventional compressor includes: a casing 106 with a suction pipe 102 for sucking a fluid and a discharge pipe 104 for discharging a compressed fluid which are connected to each other, and having a certain space therein; a driving unit 108 disposed at a lower portion of the casing 106 and generating a driving force; a compressing unit 110 disposed at an upper portion of the casing 106, connected to the driving unit 108 by a rotating shaft 112, and compressing the fluid sucked into the suction pipe 102 according to the rotation of the rotating shaft 112 and discharging it to the discharge pipe 104.
  • the casing 106 is formed in a closed cylindrical shape, and a terminal unit 116 for supplying power to the driving unit 108 is mounted at one side of the casing 106.
  • the driving unit 108 consists of a stator fixed in the circumferential direction of the casing 106 and a rotor 122 disposed at an inner circumferential surface of the stator 120 and fixed at the rotating shaft 1.12.
  • the rotor 122 is rotated according to the interaction between the stator 120 and the rotor 122, and accordingly, the rotating shaft 112 is rotated.
  • the compressing unit 110 includes a fixed scroll 128 having an involute-shaped fixed vane 126, and being fixed at an inner side of the casing 106; and an orbiting scroll 132 having an involute-shaped orbiting vane 130 corresponding to the fixed vane 126 with a certain compression space 127 therebetween and making an orbiting movement when the rotating shaft 112 is rotated.
  • the conventional compressor has a problem that, in compressing the fluid, a noise generated when the orbiting scroll 132 makes an orbiting movement for the fixed scroll 128 of the compressing unit inserted at the upper portion of the casing 105 is outwardly transmitted to make a bad influence on an operation environment.
  • JP 05321839 discloses a compressor according to the preamble of claim 1.
  • an object of the present invention is to provide a compressor with a sound insulation case that is capable of reducing a noise occurrence of equipment with a compressor installed therein by installing a sound insulation case outside a casing of the compressor and preventing an outward transmission of a noise generated from the compressor.
  • a compressor according to claim 1 with a sound insulation case including: a casing with a closed space; a compressing unit inserted in an upper portion of the casing and performing a compressing operation; a driving unit inserted in a lower portion of the casing and generating a driving force required for the compressing operation of the compressor; and a sound insulation case mounted at an outer circumferential surface of an upper portion of the casing and preventing a noise generated from the compressing unit from leaking outwardly.
  • the sound insulation case includes: a noise insulation portion mounted with a certain space at an outer circumferential surface of the upper portion of the casing in which the compressing unit is inserted, and blocking a noise generated from the compressing unit; and a mounting portion extended with a certain length downwardly of the noise insulation portion and hermetically mounted at an outer circumferential surface of the casing.
  • the noise insulation portion is disposed with a certain space at an outer circumferential surface of an upper portion of the casing and formed in a cylindrical shape with an upper side closed, and a sound absorbing material for absorbing a noise generated from the compressing unit is attached at an inner circumferential surface of the casing.
  • the mounting portion is integrally extended downwardly from the noise insulation portion, formed in a cylindrical shape and mounted at an outer circumferential surface of the casing, and includes a sealing portion formed at an inner circumferential surface thereof so as to be tightly attached on the outer circumferential surface of the casing hermetically and a locking band mounted at an outer circumferential surface thereof for attaching the sealing portion to be hermetically attached at the outer circumferential surface of the casing.
  • the mounting portion is formed to cover a portion of the casing so that a lower portion of the casing can be exposed for heat-sinking of the casing.
  • the sealing portion is formed in a circumferential direction at an upper and lower inner circumferential surface of the mounting portion and includes first and second sealing portions tightly attached on the outer circumferential surface of the casing.
  • the locking band is made of an elastic material with a certain elastic force.
  • the mounting portion includes: an open cutting section formed cut with a certain length in the upward direction from the lower end so that the sound insulation case can be easily inserted into the casing.
  • Figure 3 is a perspective view showing a compressor with a sound insulation case in accordance with a preferred embodiment of the present invention
  • Figure 4 is a sectional view showing a state that the sound insulation case is mounted in the compressor in accordance with the preferred embodiment of the present invention.
  • the compressor of the present invention includes: a casing 2 with a certain closed space; a compressing unit 4 inserted in an upper portion of the casing 2 and performing a compressing operation on a fluid; a driving unit 6 inserted in a lower portion of the casing 2 and generating a driving force required for driving of the compressing unit 4; and a sound insulation case 8 mounted at an outer circumferential surface of an upper portion of the casing 2 and blocking a noise generated from the compressing unit 4 from transmitting outwardly.
  • the casing 2 is formed in a closed cylindrical shape.
  • a suction pipe 10 for sucking a fluid is connected at one side of the casing 2 and a discharge pipe 12 for discharging outwardly a compressed fluid is connected at the other side of the casing 2.
  • a terminal box 14 for supplying power source to the driving unit 6 is mounted at an outer circumferential surface of the casing 2.
  • the sound insulation case 8 includes: a noise insulation portion 16 coupled at an outer circumferential surface of an upper portion in which the compressing unit 4 of the casing 2 is inserted, with a space therebetween which can be hermetically sealed, and blocking a noise generated from the compressing unit 4; and a mounting portion 18 extended with a certain length downwardly from the noise insulation portion 16 and hermetically mounted at an outer circumferential surface of the casing 2.
  • the noise insulation portion 16 includes: a cover 20 formed in a cylindrical shape with an upper side closed with a certain space in a circumferential direction at an outer circumferential surface of the upper portion of the casing 2 in which the compressing unit 4 is installed; and a noise absorbing material 22 attached at an inner circumferential surface of the cover 20 and absorbing a noise generated from the compressing unit 4.
  • a discharge pipe through hole 26 is formed at one side of the noise insulation portion 16, into which the discharge pipe 12 for discharging a compressed fluid passes by being connected to the casing 2.
  • the noise absorbing material 22 may be made of any material if the material has an excellent noise absorbing capacity.
  • the mounting portion 18 is integrally extended downwardly from the cover 20 of the noise insulation portion and formed in a cylindrical shape covering with a certain length of the casing 2 so that the lower portion of the casing 2 can be exposed.
  • First and second sealing portions 28 and 30 are protruded with a certain width in a circumferential direction from the upper and lower inner circumferential surface of the mounting portion and hermetically attached on the outer circumferential surface of the casing 2, and a locking band 32 is wound on the outer circumferential surface of the mounting portion 18 so as to adhere the first and second sealing portions 28 and 30 on the outer circumferential surface of the casing 2.
  • An open cutting section 36 is formed cut with a certain length in an axial direction from the lower end of the mounting portion 8, to facilitate mounting of the sound insulation case 8 by being open when the sound insulation case 8 is inserted into the casing 2.
  • a terminal box cabinet 38 is formed at one side of the mounting portion 8 to receive the terminal box 14, and a through hole 42 is formed into which the suction pipe 10 for sucking a fluid into the compressor passes.
  • the locking band 32 is preferably made of an elastic material to allow an elastic force to facilitate attachment of the first and second sealing portions 28 and 30 on the outer circumferential surface of the casing 2.
  • an elastic material besides the elastic material, various types can be adopted such as a clamp, a cable tie or a magic tape.
  • the sound insulation case 8 is inserted from the upper side to the lower side of the casing 2. At this time, the sound insulation case 8 is inserted in a state that the open cutting section 36 of the mounting portion 18 is opened, so as to facilitate insertion of the sound insulation case 8.
  • the suction pipe 10 passes the through hole 42 formed at the mounting portion 18, and the discharge pipe 12 passes the through hole 26 formed at the noise insulation portion 16.
  • the locking band 32 is mounted on the outer circumferential surface of the mounting portion 18 so that the first and second sealing portions 28 and 30 of the mounting portion 18 can be hermetically attached on the outer circumferential surface of the casing 2.
  • the mounting portion 18 is formed so long that the lower portion of the casing 2 is exposed with a certain length, so that heat generated when the compressor is driven can be discharged outwardly through the exposed portion of the casing 2.
  • the compressor with the sound insulation case of the present invention has the following advantage.

Landscapes

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

Claims (8)

  1. Kompressor mit einem Geräuschisoliergehäuse (8), welcher Kompressor umfasst:
    ein Gehäuse (2) mit einem geschlossenen Raum;
    eine in einen oberen Abschnitt des Gehäuses (2) eingesetzte Kompressionseinheit (4), die einen Kompressionsvorgang durchführt;
    eine in einen unteren Abschnitt des Gehäuses (2) eingesetzte Antriebseinheit (6), die einen für den Kompressionsvorgang des Kompressors erforderliche Antriebskraft erzeugt, wobei das Schallisoliergehäuse (8) direkt am Gehäuse (2) abnehmbar montiert ist,
    dadurch gekennzeichnet, dass das Schallisoliergehäuse (8) einen an einer äußeren Umfangsfläche des oberen Abschnitts des Gehäuses (2), in welchem die Kompressionseinheit (4) eingesetzt ist, angebrachten Geräuschisolierabschnitt (16) aufweist, um zu verhindern, dass ein von der Kompressionseinheit (4) erzeugtes Geräusch nach außen austritt.
  2. Kompressor nach Anspruch 1, bei welchem das Schallisoliergehäuse (8) ferner enthält:
    einen von dem Geräuschisolierabschnitt (16) nach unten verlaufenden Befestigungsabschnitt (18), der hermetisch dicht an einer äußeren Umfangsfläche des Gehäuses (2) befestigt ist, wobei zwischen dem Geräuschisolierabschnitt (16) und dem Gehäuse (2) ein Raum vorgesehen ist.
  3. Kompressor nach Anspruch 2, bei welchem der Geräuschisolierabschnitt (16) an einer äußeren Umfangsfläche eines oberen Abschnitts des Gehäuses (2) angeordnet und in einer zylindrischen Form mit einer geschlossenen Oberseite gebildet ist, wobei zwischen dem Geräuschisolierabschnitt (16) und dem Gehäuse (2) ein Raum vorgesehen ist und ein schallabsorbierendes Material (23) zur Absorption eines von der Kompressionseinheit (4) erzeugten Geräusches an einer inneren Umfangsfläche des Gehäuses (8) angebracht ist.
  4. Kompressor nach Anspruch 2, bei welchem der Befestigungsabschnitt (18) von dem Geräuschisolierabschnitt (16) einstückig nach unten verläuft, in einer zylindrischen Form gebildet ist und an einer äußeren Umfangsfläche des Gehäuses (2) befestigt ist und einen Dichtungsabschnitt (28, 30) umfasst, der an seiner inneren Umfangsfläche gebildet ist, so dass er straff an der äußeren Umfangsfläche des Gehäuses (2) hermetisch dicht angebracht werden kann, und ein an seiner äußeren Umfangsfläche angebrachtes Band (32) in der Lage ist, eine Kraft auf die äußere Umfangsfläche des Befestigungsabschnitts (18) auszuüben, um den Dichtungsabschnitt (28,30) so anzubringen, dass er hermetisch dicht an der äußeren Umfangsfläche des Gehäuses (2) angebracht ist.
  5. Kompressor nach Anspruch 4, bei welchem der Befestigungsabschnitt (18) so geformt ist, dass er einen Abschnitt des Gehäuses (2) bedeckt, so dass ein unterer Abschnitt des Gehäuses (2) zur Wärmeableitung des Gehäuses (2) frei liegen kann.
  6. Kompressor nach Anspruch 4, bei welchem der Dichtungsabschnitt (28, 30) in einer Umfangsrichtung an einer oberen und einer unteren inneren Umfangsfläche des Befestigungsabschnitts (18) gebildet ist und einen ersten (28) und einen zweiten (30) Dichtungsabschnitt umfasst, die an der äußeren Umfangsfläche des Gehäuses (2) straff angebracht sind.
  7. Kompressor nach Anspruch 4, bei welchem das Band (32), das in der Lage ist, eine Kraft auf die äußere Umfangsfläche des Befestigungsabschnitts (18) auszuüben, aus einem elastischen Material hergestellt ist.
  8. Kompressor nach Anspruch 4, bei welchem der Befestigungsabschnitt (18) einen offenen geschnittenen Teil (36) umfasst, der durch einen Einschnitt in Aufwärtsrichtung vom unteren Ende gebildet ist, so dass das Schallisoliergehäuse (8) auf einfache Weise auf das Gehäuse (2) aufgesetzt werden kann.
EP02022062A 2001-12-22 2002-10-02 Schallgehäuse für Verdichter Expired - Fee Related EP1321674B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2001-0083266A KR100414121B1 (ko) 2001-12-22 2001-12-22 압축기용 소음저감케이스
KR2001083266 2001-12-22

Publications (3)

Publication Number Publication Date
EP1321674A2 EP1321674A2 (de) 2003-06-25
EP1321674A3 EP1321674A3 (de) 2003-08-20
EP1321674B1 true EP1321674B1 (de) 2007-07-11

Family

ID=19717450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02022062A Expired - Fee Related EP1321674B1 (de) 2001-12-22 2002-10-02 Schallgehäuse für Verdichter

Country Status (5)

Country Link
EP (1) EP1321674B1 (de)
JP (1) JP2003201961A (de)
KR (1) KR100414121B1 (de)
CN (1) CN1228535C (de)
DE (1) DE60221091T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100575709B1 (ko) * 2004-11-12 2006-05-03 엘지전자 주식회사 스크롤 압축기
JP2006312886A (ja) * 2005-05-06 2006-11-16 Sanden Corp 密閉型流体機械
JP2009125452A (ja) * 2007-11-27 2009-06-11 Toshiba Corp 洗濯乾燥機
CN105402121B (zh) * 2015-12-30 2017-11-10 郭辰 一种超静音全无油涡旋空气压缩机总成
CN108468634A (zh) * 2018-05-23 2018-08-31 黄石东贝电器股份有限公司 一种压缩机壳体、压缩机及电冰箱
KR20230117917A (ko) * 2022-02-03 2023-08-10 삼성전자주식회사 공기조화기에서 압축기의 소음 차폐 장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258821A (en) * 1979-02-07 1981-03-31 Wendt Gary R Sound-absorbent blower cover
JPH0444869Y2 (de) * 1986-10-01 1992-10-22
JPH0267823U (de) * 1988-07-27 1990-05-23
JPH03160167A (ja) * 1989-11-15 1991-07-10 Toshiba Corp 密閉型圧縮機
JP2928632B2 (ja) * 1990-11-30 1999-08-03 株式会社日立製作所 横形冷媒圧縮機
JP3021961B2 (ja) * 1992-05-22 2000-03-15 ダイキン工業株式会社 冷凍機用圧縮機の防音構造
US5997258A (en) * 1994-05-31 1999-12-07 Bristol Compressors, Inc. Low noise refrigerant compressor having closed shells and sound absorbing spacers
KR200147708Y1 (ko) * 1994-09-29 1999-06-15 윤종용 밀폐형압축기
JPH09303277A (ja) * 1996-05-10 1997-11-25 Sanyo Electric Co Ltd スクロール圧縮機
KR19990034294A (ko) * 1997-10-29 1999-05-15 전주범 밀폐형 회전식 압축기의 소음저감장치
JPH11294365A (ja) * 1998-04-09 1999-10-26 Sharp Corp 密閉型圧縮機
US6132183A (en) * 1998-11-23 2000-10-17 Carrier Corporation Compressor mounting

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP1321674A3 (de) 2003-08-20
CN1228535C (zh) 2005-11-23
JP2003201961A (ja) 2003-07-18
CN1429991A (zh) 2003-07-16
DE60221091T2 (de) 2007-10-25
KR20030053197A (ko) 2003-06-28
EP1321674A2 (de) 2003-06-25
KR100414121B1 (ko) 2004-01-07
DE60221091D1 (de) 2007-08-23

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