EP3317599A1 - Composant de liaison d'un compresseur frigorifique - Google Patents

Composant de liaison d'un compresseur frigorifique

Info

Publication number
EP3317599A1
EP3317599A1 EP16735617.9A EP16735617A EP3317599A1 EP 3317599 A1 EP3317599 A1 EP 3317599A1 EP 16735617 A EP16735617 A EP 16735617A EP 3317599 A1 EP3317599 A1 EP 3317599A1
Authority
EP
European Patent Office
Prior art keywords
refrigerant compressor
housing
connecting component
section
mounting plate
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.)
Granted
Application number
EP16735617.9A
Other languages
German (de)
English (en)
Other versions
EP3317599B1 (fr
Inventor
Reinhard Resch
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.)
Secop GmbH
Original Assignee
Nidec Global Appliance Germany GmbH
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 Nidec Global Appliance Germany GmbH filed Critical Nidec Global Appliance Germany GmbH
Publication of EP3317599A1 publication Critical patent/EP3317599A1/fr
Application granted granted Critical
Publication of EP3317599B1 publication Critical patent/EP3317599B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F04B39/0044—Pulsation and noise damping means with vibration damping supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/13—Vibrations

Definitions

  • the present invention relates to a connecting component of a refrigerant compressor for connecting a housing of the refrigerant compressor to a device operatively connected to the refrigerant compressor, preferably to a mounting plate of a refrigerator, the connecting member comprising an inner member and an outer member surrounding the inner member, wherein the inner member has a higher rigidity than the outer member and wherein the outer member has a functional portion which is adapted to be in a loaded state of the connecting member both on the housing and on the
  • the mounting plate is supported.
  • connection components connected to the device or connected thereto.
  • the connection components include
  • a sleeve in particular of metal, which radially surrounded by a rubber element with a typical hardness of 40 to 50 Shore A.
  • rubber has a number of disadvantages that adversely affect vibration decoupling.
  • the core of the invention for achieving the above-mentioned object is to provide a connection component with a nonlinear component
  • Compressive bias of the connecting member having an inner member and an outer member surrounding the inner member, wherein the inner member has a higher rigidity than the outer member, placed in the vicinity of a critical load. This affects like a flat point in the Spring characteristic in which the spring rate is very low. The corresponding spring characteristic thus has a non-linear course. This in turn can be exploited
  • Spring deflection is achieved at a low spring rate at the operating point.
  • connection component with a purely linear
  • Vibration decoupling at low frequencies in particular in the range of 50 Hz to 160 Hz, which in particular at
  • variable speed compressors is of great importance.
  • a low natural frequency also improves the
  • such a non-linear spring characteristic is generated by utilizing so-called geometric stiffnesses.
  • a functional portion of the outer element is provided according to the invention, which is supported in a loaded state of the connecting member both on the housing and on the device.
  • Support is generally understood to mean direct or indirect support. That the supporting one
  • Function section can touch the housing or the device directly or via eg at least one Connecting element, which is connected to the housing or the device at least in the loaded state.
  • a loaded condition of the connection component is in
  • Pressure component is present, which is parallel to an axial direction.
  • relative movements of the housing and the device relative to one another and parallel to the axial direction to the said loaded state of the connecting component occur.
  • a longitudinal axis of the connecting member is parallel to the axial
  • a free space is provided, preferably in the form of a gap, which adjoins the functional section in a transverse direction which extends transversely, preferably perpendicular to the axial direction.
  • the free space or gap is free in an unloaded state of the connecting component, wherein in the unloaded state there is no pressure component in the axial direction.
  • the outer element or its functional portion is designed so that it deforms in the loaded state relative to the unloaded state, when in the loaded state prevails a predetermined pressure parallel to the axial direction.
  • the functional portion deforms so that it protrudes into the free space or gap. That the functional portion can basically deform in the direction of the inner element or in the opposite direction - depending on how the free space or gap relative to the functional section
  • the functional section can deform so that a middle section of the
  • Refrigerant compressor for connecting a housing of the
  • Refrigerating compressor to a device operatively connected to the refrigerant compressor, preferably to a mounting plate of a refrigerator, the connecting member comprising an inner member and an outer member surrounding the inner member, wherein the inner member has a higher rigidity than the outer member and wherein the outer member a functional portion which is adapted to be in a loaded state of the connecting member both on the housing and on the
  • the mounting plate is supported
  • a free space is provided, which, viewed in a transverse direction, adjoins the functional section of the outer element, the inner element and the outer element being viewed parallel to the transverse direction
  • the inner and outer members may have substantially circular cross-sections.
  • the outer element surrounds the inner element radially.
  • the functional portion can be designed so that its deformation takes place as buckling. Accordingly, it is in a preferred embodiment of
  • the deformed functional section comprises a section with a kink, wherein the section of the kink having the kink
  • the connecting component according to the invention is made possible by the functional portion deformed or buckled in the direction of the inner element and rests against the inner element.
  • the inner element does not deform in the loaded state.
  • the inner element does not support the housing and device at the same time in the loaded state, particularly preferably only on the housing or only on the device. Accordingly, it is provided in a preferred embodiment of the connecting component according to the invention that the contact part of the connecting member is formed by the inner member.
  • the outer element has an inner, arranged closer to the inner element
  • the outer portion is arranged transversely and outwardly behind the inner portion, wherein the Transverse transverse, preferably normal to the axial direction.
  • the outer and the inner portion each have a substantially annular cross-section.
  • the said stressed state does not exclude that there are also other loaded states in which both
  • Sections are supported both on the housing and on the device.
  • a stepwise support of a section is conceivable, in which stepwise support, this section is supported in the loaded state exclusively on the housing or the device and in which
  • Such a further increased pressure component may preferably be set in a further approach of the housing to the device parallel to the axial direction.
  • the free space is at least partially formed between the inner portion and the outer portion. That the free space allows deformation of that portion which is in the loaded state of
  • Device supports, in the direction of the other section.
  • the connecting component is provided in such a way that the contact part is formed by the other of the two sections. That the function section forming section is supported on the other section.
  • the other section does not deform itself or does not buckle itself.
  • the other portion In order to prevent the deformation or buckling of the other portion and thus to allow a support of the deforming or buckling portion on the other portion, the other portion is supported in the loaded state only on the housing or the device, but not both
  • the adjacent portion is supported with an end portion on the housing or the
  • Device off and another end portion of the adjacent portion may be in the loaded state against the
  • Elements at lower loads can be adjusted by choosing the wall thickness of the deforming section.
  • a sufficiently large wall thickness prevents too much instability at low load. Since the other portion only has to fulfill a supporting function for the deforming portion in the first place, its wall thickness can be kept relatively small.
  • Functional section seen in the transverse direction at least in sections, a greater wall thickness than the other of the two sections.
  • the wall thickness is here preferably measured in the unloaded state of the connecting component.
  • Connected component provided that the functional portion seen in the unloaded state of the connecting member in an axial direction has a shorter length than the other of the two sections, wherein the transverse direction is transverse to the axial direction.
  • the functional portion seen in an axial direction in the unloaded state of the connecting member has a greater length than in the loaded state of
  • the deformation can thus be basically arbitrary, as long as it leads to a reduction in length of the deforming section as seen in the axial direction.
  • the functional portion is formed by the outer portion.
  • the two sections as seen in the axial direction, each have a first and a second end region.
  • Connection component provided that the two sections, preferably in the region of an end portion of the respective
  • Section are interconnected.
  • connection of the two sections counteracts an undesirable, too great instability of the outer element under high pressure loads.
  • Connection member provided that the outer member is made in one piece.
  • the outer element is elastic and little to no compressible. Accordingly, it is at a
  • Rubber can be made both from a natural and from a synthetic material, in particular rubber.
  • Elastomer is correspondingly little to no compressible.
  • Refrigerant compressor comprising a hermetically sealed housing and arranged in the interior of the housing drive unit with a piston-cylinder unit for
  • Actively connected device preferably to a mounting plate of a cooling device comprises.
  • the inventive system comprising a refrigerant compressor according to the invention and a with the refrigerant compressor operatively connected device, preferably a cooling device, wherein the device comprises a mounting plate, to which the housing of the
  • Connecting component is connected, wherein in the loaded state of the connecting member of the functional portion is supported both on the housing and on the mounting plate.
  • Plant part, in particular the other, non-deforming portion can be supported only on the housing, it is provided in a preferred embodiment of the system according to the invention, that an opening and / or a recess
  • the mounting plate in which protrudes in the loaded state of the connecting member of the system part.
  • the moves are provided in the mounting plate, in which protrudes in the loaded state of the connecting member of the system part.
  • the attachment part in particular the other section in FIG.
  • Fig. 1 is a side view of a refrigerant compressor
  • Fig. 2 is a sectional view through an off the state of
  • FIG. 3 shows a sectional view through an embodiment of a connecting component according to the invention in an unloaded state, the sectional view being analogous to FIG. 2
  • Fig. 4 is a sectional view as shown in FIG. 3, wherein the
  • Connection member is present in a loaded condition
  • FIG. 5 shows a sectional view through a further embodiment of a connecting component according to the invention in an unloaded state, the sectional view being analogous to FIG. 2
  • Fig. 6 is a sectional view as shown in FIG. 5, wherein the
  • Connection member is present in a loaded condition
  • Fig. 1 WAYS OF CARRYING OUT THE INVENTION
  • Fig. 1 a refrigerant compressor
  • the housing 2 is shown in Fig. 1 via connecting members 4 according to the prior art with a mounting plate 26 of a refrigerator 3, which in
  • connection components 4 comprise an inner element 5 and an outer element 6 surrounding the inner element 5.
  • the outer element 6 is typically made of rubber.
  • the inner element 5 has a greater rigidity than the outer element 6, which counteracts a setting of the outer element 6.
  • the connecting element 4 has a longitudinal axis 24 which runs parallel to an axial direction 16. cross,
  • the axial direction 16 is perpendicular to a transverse direction 28.
  • the longitudinal axis 24 extends in the transverse direction 28 through the center of the connecting element 4. Seen from the longitudinal axis 24 in the transverse direction 28 to the outside, the outer element 6 is disposed behind the inner element 5.
  • the inner member 5 may be sleeve-shaped, which is the implementation of a screw (not shown) for
  • a steel spring pin 25 can be seen, on which a spring (not shown) can be pressed, by means of which the drive unit (not shown) is mounted in the housing 2.
  • the inner element 5 forms in the illustrated embodiment, a transport safety device 7 at its seen in the axial direction 16 free end by the inner member 5 expands there in the transverse direction 28. This results in that an extent 35 of the transport securing device 7 in the transverse direction 28 is greater than an extent 34 of a
  • Mounting plate 26 can be removed.
  • the outer element 6 forms a damping layer 32 above the transport safety device 7.
  • the damping layer 32 prevents hard, metallic contact between the transport securing device 7 and the mounting plate 26,
  • FIG. 3 and Fig. 4 show a first embodiment of such
  • FIG. 3 shows the connection component 4 according to the invention in an unloaded state without a pressure component parallel to the axial direction 16.
  • FIG. 4 shows the connection component 4 according to the invention in a loaded state with at least one
  • the outer element 6 is preferably made of rubber or an elastomer with little or no compressibility manufactured.
  • the inner element 5 is preferably made of metal, eg steel or stainless steel.
  • the outer member 6 has an outer portion 9 and an inner portion 10, wherein the inner portion 10 is disposed closer to the inner member 5. Seen from the longitudinal axis 24 in the transverse direction 28 to the outside of the outer portion 9 is disposed behind the inner portion 10. In axial
  • the inner portion 10 is bounded in the axial direction 16 by a first end portion 13 and a second end portion 14.
  • the outer portion 9 and the inner portion 10 are in the region of their second end portions 12, 14 with each other
  • the outer element 6 is made in one piece.
  • the sections 9, 10 have a symmetry about the longitudinal axis 24, whereby the outer portion 9 and the inner portion 10 normal to the
  • Longitudinal axis 24 each at least in sections one
  • the transverse direction 28 can therefore also be considered in the embodiment shown as a radial direction.
  • other cross-sectional shapes are also possible, e.g. an elliptical or polygonal, in particular rectangular or square, cross-sectional shape.
  • the outer element 6 is connected to the inner element 5.
  • the outer member 6 is in the region of the second end portion 14 of the inner portion 10 with the inner
  • Embodiment includes seen in the axial direction 16, another gap 33 to the press fit, which further gap 33 thus sections between the inner member 5 and the inner portion 10 of the outer member. 6 is trained.
  • the further gap 33 serves to avoid a direct contact between the inner element 5, the inner portion 10 and the mounting plate 26. Respectively.
  • Transverse direction 28 presses against the inner portion 10 in the direction of inner element 5. Otherwise, a very strong unwanted transverse stiffness would result if the outer member 6 is made of rubber, since rubber is almost incompressible.
  • the outer element 6 is supported in the region of the second end regions 12, 14 on the housing bottom 8.
  • the outer portion 9 forms a functional portion 30, wherein the outer portion 9 is supported not only on the housing 2, but also at least in the loaded state of the connecting member 4 with its first end portion 11 on the mounting plate 26 of the refrigerator 3.
  • the first end portion 13 of inner portion 10 projects through the opening 29 of the mounting plate 26 therethrough.
  • the first end portion 13 of the inner portion 10 is thus movable relative to the mounting plate 26 in the axial direction 16 and vice versa.
  • Section 9 and the functional portion 30 in the axial direction 16 is pressurized.
  • the outer portion 9 is designed so that there is a deformation of the outer portion 9 by buckling. That in the loaded state, the outer portion 9 or the functional portion 30 is a
  • the inner portion 10 is not in the axial Direction 16 pressurized, since its first end portion 13 in the loaded state is simply moved relative to the mounting plate 16 parallel to the axial direction 16 and is. Accordingly, the inner portion 10 is not deformed in the loaded state.
  • the inner portion 10 in the loaded state has a length 23 which is the same size as a length 21 of the inner portion 10 in the unloaded state.
  • a free space in the form of a gap 15 is formed in sections between the outer section 9 and the inner section 10, which, due to the symmetry present in the exemplary embodiment shown, at least partially annularly around the
  • This gap 15 provides space for the outer section 9 or the functional section 30 to buckle in the direction of the inner section 10 in the loaded state (FIG. 4). Accordingly, the gap 15 is partially filled in the loaded state by the outer portion 9.
  • the buckling may, depending on how big the
  • the contact part 31 is formed by the inner portion 10. This concern stabilizes the functional portion 30 and the outer
  • Section 9 or the outer element 6.
  • Function section 30 leads. This corresponds to a relatively unstable state or a very flat spring characteristic. But as soon as the outer portion 9 or the functional portion 30 rests against the inner portion 10 or the contact part 31, the outer portion 9 is stabilized. This is done with further pressure increase, which is a much steeper
  • Wall thickness 18 also significantly larger than one
  • the wall thicknesses 18, 19 are preferably measured in the unloaded state, see. Fig. 3.
  • FIGS. 5 and 6 differs from the embodiment of FIGS. 3 and 4 essentially in that the outer element 6 has only the functional section 30 instead of the two sections 9, 10.
  • Functional portion 30 is supported, at least in the loaded state of the connecting component 4, both on the housing 2 or on the housing base 8 and on the device 3 or on the mounting plate 26.
  • the contact part 31 is formed in this case by the inner element 5, which projects through the opening 29 of the mounting plate 26 in the axial direction 16 therethrough.
  • Element 6 or the functional portion 30 in the axial direction 16 is pressurized.
  • the outer element 6 or the functional portion 30 is designed so that it is a
  • Deformation of the functional portion 30 comes by buckling. That in the loaded state of the functional portion 30 is a deformed portion 27 and has a kink 17, see. 6, the internal element 5, however, is not pressurized in the axial direction 16, since it, as already mentioned, protrudes through the opening 29 and thus in the loaded state is simply displaced relative to the mounting plate 26 parallel to the axial direction 16 or is.
  • Connecting member 4 is free and provides the necessary space for the deformation or for buckling of the functional portion 30 in the loaded state of the connecting member 4 is formed in sections corresponding to the inner member 5 and the outer member 6 and the functional portion 30.
  • the buckling may, depending on how big the
  • the opening 29 is preferably in a stepped shape
  • the damping layer 32 on the transport safety device 7 is not shown separately in FIGS. 5 and 6. However, it may of course be provided such, for example by a coating of the transport safety device 7 with rubber or otherwise an elastic or damping material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compressor (AREA)

Abstract

L'invention concerne un composant de liaison (4) d'un compresseur frigorifique (1) servant à raccorder un logement (2) du compresseur frigorifique (1) à un dispositif en liaison fonctionnelle avec le compresseur frigorifique (1), le composant de liaison (4) comprenant un élément intérieur (5) et un élément extérieur (6) recouvrant l'élément intérieur (5), l'élément intérieur (5) présentant une rigidité supérieure à celle de l'élément extérieur (6) et l'élément extérieur (6) comprenant une partie fonctionnelle (30). L'invention vise à améliorer le découplage de vibrations entre le compresseur frigorifique (1) et le dispositif (3). À cet effet, selon l'invention, un espace libre (15) est adjacent, vu dans un sens transversal (28), à la partie fonctionnelle (30) de l'élément extérieur (6), l'élément intérieur (5) et l'élément extérieur (6) étant agencés l'un derrière l'autre vu parallèlement au sens transversal (28) et, une fois le composant de liaison (4) chargé, la partie fonctionnelle (30) étant déformée lorsque le composant de liaison (40) est soumis à une contrainte de telle sorte qu'elle fait saillie dans l'espace libre (15).
EP16735617.9A 2015-06-30 2016-06-30 Élément de raccordement d'un compresseur de réfrigérant Active EP3317599B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATGM50130/2015U AT14820U1 (de) 2015-06-30 2015-06-30 Verbindungsbauteil eines Kältemittel Verdichters
PCT/EP2016/065333 WO2017001574A1 (fr) 2015-06-30 2016-06-30 Composant de liaison d'un compresseur frigorifique

Publications (2)

Publication Number Publication Date
EP3317599A1 true EP3317599A1 (fr) 2018-05-09
EP3317599B1 EP3317599B1 (fr) 2018-10-31

Family

ID=56320691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16735617.9A Active EP3317599B1 (fr) 2015-06-30 2016-06-30 Élément de raccordement d'un compresseur de réfrigérant

Country Status (5)

Country Link
US (1) US10865781B2 (fr)
EP (1) EP3317599B1 (fr)
CN (1) CN108139139B (fr)
AT (1) AT14820U1 (fr)
WO (1) WO2017001574A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220099079A1 (en) * 2018-12-06 2022-03-31 Electrolux Appliances Aktiebolag Refrigerator with a compressor
CN113606112A (zh) * 2020-12-29 2021-11-05 广州赛佛科技有限公司 一种加压减压方法及其装置

Family Cites Families (19)

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US2551514A (en) * 1948-01-06 1951-05-01 Westinghouse Electric Corp Mounting arrangement of refrigeration unit
JPS58195138U (ja) * 1982-06-21 1983-12-26 ダイキン工業株式会社 圧縮機の支持具
JPS59188336U (ja) * 1983-06-02 1984-12-13 三菱電機株式会社 振動発生機器用の防振支持装置
JPS6159039A (ja) * 1984-08-29 1986-03-26 Natl Tire Kk 圧縮機等の防振支持装置
JPS6263439U (fr) * 1985-10-11 1987-04-20
JPS6488042A (en) * 1987-09-28 1989-04-03 Matsushita Electric Ind Co Ltd Compressor vibration isolating device of air conditioner
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JPH1030562A (ja) * 1996-07-15 1998-02-03 Matsushita Refrig Co Ltd 冷蔵庫
KR100546677B1 (ko) * 2003-11-13 2006-01-26 엘지전자 주식회사 압축기용 방진고무
JP4715673B2 (ja) * 2006-08-04 2011-07-06 株式会社デンソー 車両用防振装置
JP2009185775A (ja) * 2008-02-08 2009-08-20 Toshiba Corp 冷却ユニット
KR101392541B1 (ko) * 2008-03-13 2014-05-07 엘지전자 주식회사 압축기 고정구조 및 이를 포함하는 공기조화기의 실외기
RU2405246C2 (ru) * 2008-04-15 2010-11-27 Институт проблем информатики Российской академии наук (ИПИ РАН) Самосинхронный триггер с однофазным информационным входом
JP5365994B2 (ja) * 2009-01-16 2013-12-11 日立工機株式会社 空気圧縮機
KR20110043252A (ko) * 2009-10-21 2011-04-27 엘지전자 주식회사 공기조화기용 압축기의 방진장치
JP2012026623A (ja) * 2010-07-22 2012-02-09 Hitachi Appliances Inc 冷蔵庫
JP5682240B2 (ja) * 2010-11-08 2015-03-11 パナソニックＩｐマネジメント株式会社 冷蔵庫
CN103518110B (zh) * 2011-05-09 2016-08-31 松下电器产业株式会社 冰箱
JP5208288B1 (ja) * 2012-01-25 2013-06-12 ヤマウチ株式会社 コンプレッサ用防振ゴムおよびそれを用いたコンプレッサ

Also Published As

Publication number Publication date
CN108139139A (zh) 2018-06-08
US10865781B2 (en) 2020-12-15
CN108139139B (zh) 2021-03-30
WO2017001574A1 (fr) 2017-01-05
US20200032782A1 (en) 2020-01-30
AT14820U1 (de) 2016-07-15
EP3317599B1 (fr) 2018-10-31

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