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WO2012010438A2 - Appareil frigorifique - Google Patents

Appareil frigorifique Download PDF

Info

Publication number
WO2012010438A2
WO2012010438A2 PCT/EP2011/061575 EP2011061575W WO2012010438A2 WO 2012010438 A2 WO2012010438 A2 WO 2012010438A2 EP 2011061575 W EP2011061575 W EP 2011061575W WO 2012010438 A2 WO2012010438 A2 WO 2012010438A2
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerating appliance
appliance according
pipe
pieces
piece
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.)
Ceased
Application number
PCT/EP2011/061575
Other languages
German (de)
English (en)
Other versions
WO2012010438A3 (fr
Inventor
Harald Häussler
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to CN201180036071.1A priority Critical patent/CN103026151B/zh
Priority to EP11730309.9A priority patent/EP2596300B1/fr
Publication of WO2012010438A2 publication Critical patent/WO2012010438A2/fr
Publication of WO2012010438A3 publication Critical patent/WO2012010438A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements

Definitions

  • the present invention relates to a refrigerator, in particular a household refrigerator, specifically the structure or the installation of a refrigerant circuit in the
  • the refrigerant circuit of a conventional domestic refrigerator has a plurality of components such as compressors, condensers, evaporators, valves for controlling the flow of refrigerant and / or distributing the refrigerant to a plurality of evaporators, which must be tightly connected to each other during assembly of the apparatus.
  • these components are provided with connecting pipe pieces, which are brought into contact with each other after the installation of the components and soldered in pairs to close the refrigerant circuit.
  • the positions of the solder joints arise here more or less uncontrolled by the connecting pipe pieces are bent to bring their ends into contact with each other. If this results in a contact point in the vicinity of a heat-sensitive component of the device, the pipe sections must be bent again to place the contact point to a location where a soldering can be performed. If the connecting pipe pieces are then bent again to place them in a desired position in the device, there is a risk of damage to the solder joint.
  • the aim of the present invention is to provide a refrigeration device in which the
  • Refrigerant circuit is quick and easy to install and is particularly suitable for automated production.
  • the object is achieved by connecting in pairs in a refrigeration device with a refrigerant circuit in which a plurality of components are interconnected by pipe sections, the pipe sections to one another in a mounted in the refrigerator Connecting carrier part are formed.
  • the connection carrier part forces a
  • the components can be any known per se components of a
  • Refrigerant circuit such as a compressor, a condenser, an evaporator, a throttle, a dryer, a frame heater, a valve or the like.
  • connections each comprise a solder joint between two connecting pipe pieces of different components.
  • the compounds can each have an am
  • Connecting support part itself fastened connecting pipe piece, wherein at each end of the connecting pipe piece leading to one of the components pipe piece is connected.
  • the connecting pipe pieces are preferably U-shaped to allow bringing both pipe pieces leading to the components from a same direction.
  • the joined ends of the pipe pieces are vertically aligned with the support member. This facilitates a uniform distribution of solder, adhesive, sealant or the like on the connection, so that density with high reliability
  • the connecting pipe pieces extend without crossing in a same plane.
  • the ends of the connecting pipe pieces are preferably oriented upward to receive in each case inserted from above, leading to the components pipe sections.
  • connection support part two of them are connected to one another at the connection support part
  • Pipe pieces no matter whether they are connecting pipe pieces of the components or whether a connecting pipe piece underneath, preferably a first pipe piece is inserted into a flared end portion of the second pipe piece.
  • connection support part preferably has a web with at least one open-edged cutout, in each of which a first of two interconnected pipe sections is suspended.
  • the open-edged cutout has a core area remote from the edge and an input region connecting the core area to the edge, which is narrower than the core area.
  • cutouts of the web can be suitably indexed to allow the attachment of only a particular first piece of pipe. This can help to eliminate mistakes during assembly.
  • An indexing can in particular in the choice of different cross-sectional dimensions, preferably different diameters, for different first pipe sections or they receive
  • connection support member further comprises at least one recess into which engages the second tube piece spaced from the first tube piece connected to it.
  • a recess provides protection against a bending load of the connection between the pipe sections, which could lead to a leak.
  • the recess is preferably, in contrast to the above-mentioned cutouts, as a hole formed with a continuous edge.
  • the second piece of pipe is expediently not expanded at its end to be joined.
  • a provided on the recess clamping means for fixing the second tube piece can simplify the assembly, in which it fixes the tube pieces in a position suitable for producing a tight connection position each other.
  • connection support part can be made simple and inexpensive by punching and bending of sheet or other flat material.
  • connection support part can be mounted at different locations in the refrigeration device, preferably in a machine room of the refrigeration device, for example on the compressor, on a rail carrying the compressor, on a side wall, etc.
  • a central placement which is easily accessible for all machining operations of the assembly, is preferred It is also conceivable to integrate the connection support part directly into the housing of the compressor. Further features and advantages of the invention will become apparent from the following
  • Fig. 1 is a schematic representation of the refrigerant circuit
  • FIG. 2 is a perspective view of a connection support part according to the present invention.
  • Fig. 3 shows a detail of the connection carrier part with placed therein
  • FIG. 4 shows the arrangement of Figure 3 in section.
  • Fig. 5 is a view of a equipped with connecting pipe pieces
  • Fig. 6 is a partial view of an evaporator housing with integrated
  • FIG. 7 shows a modification of the evaporator housing of FIG. 6.
  • Fig. 1 is a schematic representation of the refrigerant circuit of a
  • Household refrigerating appliance which shows a plurality of components of the refrigerant circuit in their positioning relative to each other on the finished refrigerator, wherein the housing of the refrigerator itself is omitted, however, to show the components more clearly.
  • These components include a compressor 1, which is conventionally housed in a niche 2, also referred to as a machine room, shown in the figure as a dotted outline, in a lower rear region of the refrigerator body.
  • a condenser 3 which receives compressed refrigerant from the compressor 1, may be plate-shaped as shown in the figure and may be mounted exposed on the rear side of the refrigerator body above the engine room 2; a compact-shaped condenser could also be accommodated in the machine room 2 and cooled by a fan.
  • the refrigerant passes through a throttle point, here in the form of a capillary 4, in an evaporator 5, which is shown here as a coldwall evaporator, and from there via a suction line 7 back to the compressor 1.
  • a frame heater 6 is through a refrigerant pipe formed, which extends along one of the door of the refrigeration device housing facing side of the body to prevent condensation there.
  • the frame heater can be inserted in the refrigerant circuit between the compressor 1 and the condenser 3 or also downstream of the condenser 3. Smaller components such as a dryer or a particulate filter may be inserted at various locations in the refrigerant circuit.
  • Components valves not shown may be provided to prevent unwanted displacements of the refrigerant, for example between condenser 3 and evaporator 5 at times when the compressor 1 is out of operation, or to a refrigeration device associated with several storage chambers and these storage chambers respectively
  • Evaporators control the distribution of the refrigerant to the evaporator.
  • FIG. 2 the rear side of the compressor 1 facing away from the viewer on FIG. 1, which is easily accessible during the assembly of the device, is shown in FIG. 2 in a perspective view
  • Connecting member 8 is provided.
  • the connecting support part 8 is integrally formed from sheet metal and comprises a substantially rectangular base plate 9, at the upper and lower edge of each of which a web 10 or 1 1 is bent at right angles. At the vertical edges of the base plate 9, a tongue 12 is cut free and angled to conform to the outer shape of the housing of the compressor. 1
  • connection support part 8 snugly and allow attachment of the connection support part 8 by screwing, spot welding or the like.
  • the upper web 10 has a plurality of circular recesses 13, 14, 15, with which each open-edged cutouts 16, 17, 18 of the lower web 1 1 are aligned.
  • Cutouts 16, 17, 18 each have a keyhole-like shape with a round core region 19 and an input region 20, which connects the core region 19 with the edge of the web 11 and is narrower than the core region 19.
  • the open-edged cutouts 16, 17, 18 are provided to hang a pipe section 21 therein, as shown in detail in FIGS. 3 and 4 in detail.
  • a main part 22 of the pipe section has a constant diameter which is slightly smaller than the width of the
  • the main part 22 is adjoined by an inner end section 23, which is slightly widened in comparison with the main part 22. Its diameter is larger than the width of the
  • Entrance area 20 so that the pipe section 21, the entrance area 20 can not easily pass when the inner end portion 23 is equal to the web 1 1.
  • the inner end portion 23 in turn adjoins a further flared outer end portion 24 which forms a stop and prevents the
  • Tube piece 21 escapes down from its cutout 16, 17 or 18.
  • each pipe section 21 is chosen which is smaller than the diameter of the core portion 19 of the next larger section, it is ensured that each pipe section 21 can be securely fixed only in that recess 16, 17 or 18, which is provided for this purpose , Thus, errors in the placement of the pipe sections 21 on the connection support member 8 can be effectively prevented.
  • Recesses 13, 14, 15 also have different diameters. As can be seen in FIGS. 3 and 4, in each of these recesses 13, 14, 15, an elastic ring 25 is locked, the narrow, down to the web 1 1 towards tapering
  • truncated cone-shaped elastic apron 26 carries.
  • the skirt 26 is inserted through a through the ring 25 from above and into the inner end portion 23rd
  • the skirt 26 thus provides for a provisional fixation of the pipe sections 21, 27 on
  • solder alloy which is inserted before the insertion of the pipe section 27 in the outer end portion 24 of the pipe section 21 and the material is distributed evenly during melting between the pipe sections 21, 27 at the level of the inner end portion 23.
  • the provisional fixation of the pipe sections 21, 27 on the connection support part 8 also allows the use of other joining techniques than brazing; since the fixation of the pipe section 27 in its opening 13, 14 or 15 bending moments, which act on the pipe section 27 remote from the connection support part 8, from the compound of Pipe sections 21, 27 keeps away, also connecting or sealing materials can be used, which are less mechanically resilient than the solder, or need the longer time to harden.
  • the above-considered pipe sections 21, 27 may each integral part of a refrigeration cycle component such as the condenser 3, the capillary 4, the
  • FIG. 5 To see here is a front view of a connecting member 8 similar to that shown in Fig. 2 and a plurality of hinged in the recesses of the lower web 1 1 of the connecting member 8, U-shaped connecting pipe pieces 29.
  • the connecting pipe pieces 29 are each at both ends with a secure suspension on the web 1 1 enabling inner and outer end portions 23, 24 provided. In the open ends of the connecting member 8 similar to that shown in Fig. 2 and a plurality of hinged in the recesses of the lower web 1 1 of the connecting member 8, U-shaped connecting pipe pieces 29.
  • the connecting pipe pieces 29 are each at both ends with a secure suspension on the web 1 1 enabling inner and outer end portions 23, 24 provided.
  • Connecting pipe pieces 29 to be inserted pipe sections 21 may therefore have a constant diameter, which is particularly advantageous if it is the pipe sections 21 to integral components of the components
  • the diameters of the end sections 23, 24 may differ from one connecting pipe section 29 to the other, as explained above and in the figure
  • a connecting pipe piece 29 may also have at its two ends end portions 23, 24 of different dimensions in order to connect pipe pieces of different diameters belonging to different components of the refrigerant circuit.
  • Fig. 6 shows a perspective view of a compressor 1 according to another embodiment of the invention.
  • the compressor 1 has in a conventional manner a sound-absorbing housing, which is composed of two hermetically interconnected shells 30, 31 and the edges of which are widened to each other touching flanges 32, 33.
  • One of these flanges is in turn widened to a web for the anchoring of the pipe sections 21, 27 to be joined together, in the present case it is the flange 32 of the upper shell 30.
  • this web is denoted by 10, and an integrally formed with a side wall of the lower shell 31, provided with open-edged recesses web with 1 1.
  • the housing of the evaporator 1 acts here as a connection support part. The assembly of the pipe sections takes place in the same manner as described with reference to FIGS. 3 and 4.
  • Fig. 7 shows a variant of the compressor 1, in which a portion of the web 1 1 is omitted, because two pipe sections 34, each forming a suction port or a pressure port of the compressor 1, no anchoring in the web 1 1 require.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Compressor (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'invention concerne un appareil frigorifique, notamment un appareil frigorifique domestique, comprenant un circuit réfrigérant, plusieurs éléments structuraux (1; 3; 4; 5; 6) étant mutuellement reliés par des tubes (21, 27, 29, 34). Des liaisons destinées à des tubes (21, 27, 29, 34) sont formées par paires sur un élément support de liaison (8; 30, 31) fixé à l'appareil frigorifique.
PCT/EP2011/061575 2010-07-23 2011-07-08 Appareil frigorifique Ceased WO2012010438A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180036071.1A CN103026151B (zh) 2010-07-23 2011-07-08 制冷器具
EP11730309.9A EP2596300B1 (fr) 2010-07-23 2011-07-08 Appareil frigorifique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010038375.9 2010-07-23
DE102010038375A DE102010038375A1 (de) 2010-07-23 2010-07-23 Kältegerät

Publications (2)

Publication Number Publication Date
WO2012010438A2 true WO2012010438A2 (fr) 2012-01-26
WO2012010438A3 WO2012010438A3 (fr) 2013-01-03

Family

ID=44628123

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/061575 Ceased WO2012010438A2 (fr) 2010-07-23 2011-07-08 Appareil frigorifique

Country Status (4)

Country Link
EP (1) EP2596300B1 (fr)
CN (1) CN103026151B (fr)
DE (1) DE102010038375A1 (fr)
WO (1) WO2012010438A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12474110B2 (en) 2023-01-03 2025-11-18 Whirlpool Corporation Tube routing system for a cooling appliance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929356A (en) * 1974-11-13 1975-12-30 Gen Motors Corp Tube to block mounting assembly
US4163372A (en) * 1977-10-25 1979-08-07 Carrier Corporation Capillary retainer clip
DE8815529U1 (de) * 1988-12-14 1989-01-26 Bosch-Siemens Hausgeräte GmbH, 8000 München Kühlgerät, insbesondere Haushalts-Kühlschrank od.dgl.
TW330977B (en) * 1996-06-04 1998-05-01 Jinkichi Aizawa Heat exchanger, method of reusing and recovering refrigerant thereof
JP2001199231A (ja) * 2000-01-17 2001-07-24 Zexel Valeo Climate Control Corp 自動車用空調ユニット
KR100598215B1 (ko) * 2004-02-25 2006-07-07 엘지전자 주식회사 에어컨 실외기의 배관 구조

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
DE102010038375A1 (de) 2012-01-26
WO2012010438A3 (fr) 2013-01-03
CN103026151A (zh) 2013-04-03
EP2596300B1 (fr) 2015-09-09
CN103026151B (zh) 2015-09-16
EP2596300A2 (fr) 2013-05-29

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