WO2013182432A1 - Appareil de froid muni d'une pièce d'amortissement présentant une certaine forme - Google Patents

Appareil de froid muni d'une pièce d'amortissement présentant une certaine forme Download PDF

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Publication number
WO2013182432A1
WO2013182432A1 PCT/EP2013/060639 EP2013060639W WO2013182432A1 WO 2013182432 A1 WO2013182432 A1 WO 2013182432A1 EP 2013060639 W EP2013060639 W EP 2013060639W WO 2013182432 A1 WO2013182432 A1 WO 2013182432A1
Authority
WO
WIPO (PCT)
Prior art keywords
damping
molding
housing
rotary disk
refrigerating appliance
Prior art date
Application number
PCT/EP2013/060639
Other languages
German (de)
English (en)
Inventor
Stefan BASSMANN
Matthias Hopf
Berthold Pflomm
Michael Thevessen
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Publication of WO2013182432A1 publication Critical patent/WO2013182432A1/fr

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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/35—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by rotary motors, e.g. by stepping motors
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to a refrigerator with a housing and a
  • Turntable valve In today's refrigerators usually turntable valves are used to control a flow volume of refrigerant. However, the rotary disk valves, when operated, cause an oscillating and disturbing noise which can cause resonance with a housing of a refrigerator. It is the object underlying the invention to reduce the noise of a provided with a rotary disk valve refrigeration device.
  • the present invention is based on the recognition that the vibrations generated by the rotary disk valve can be damped by means of, for example, an elastic damping molded part.
  • this object is achieved by a refrigeration device having a housing and a rotary disk valve, in which a damping molded part for mechanically decoupling the rotary disk valve from the housing is arranged between the rotary disk valve and the housing.
  • a refrigeration appliance is understood in particular to mean a domestic refrigeration appliance, that is to say a refrigeration appliance which is used for household management or in the gastronomy sector and serves to store food and / or drinks at specific temperatures, such as, for example, a refrigerator, a freezer, a refrigerated freezer combination Freezer or a wine fridge.
  • the rotary disk valve comprises a retaining plate for fastening the rotary disk valve to the damping molded part.
  • the damping molding has a slot for receiving the retaining plate.
  • the damping molding part comprises an opening for fastening the retaining element to the housing.
  • Steps can be attached to the housing.
  • the damping molded part comprises a first and a second opening for fastening the retaining element to the housing.
  • the housing comprises a retaining bolt for fastening the damping molding.
  • the retaining bolt comprises a head for securing the attachment.
  • the damping molding is attachable to the housing.
  • the damping molded part comprises a nose for attaching the rotary disk valve.
  • the damping molding is a
  • the damping molding is W-shaped or parabolic in cross-section.
  • the damping molding comprises a
  • the damping molding can be mounted very easily and firmly seated.
  • the damping molding is a
  • Foam molding As a result, for example, the technical advantage is also achieved that the material cost for the production of the molded part is reduced.
  • the damping molding is a rubber molding or a silicone molding.
  • the damping molding comprises an air-filled cavity.
  • FIG. 1 shows a view of a refrigeration appliance
  • Fig. 2 is a perspective view of a rotary disk valve
  • FIG. 4 is a perspective view of the assembly of the rotary disk valve
  • Fig. 5 is another perspective view of the assembly of the rotary disk valve
  • the refrigeration device 100 serves, for example, for cooling food and comprises a refrigerant circuit with an evaporator, a compressor, a condenser and a throttle element.
  • the evaporator is a heat exchanger in which after expansion the liquid refrigerant is absorbed by heat absorption from the medium to be cooled, i. the air inside the refrigerator, is evaporated.
  • the compressor is a mechanically operated component, the refrigerant vapor from the
  • Evaporator sucks and ejects at a higher pressure to the condenser.
  • Condenser is a heat exchanger in which, after compression, the vaporized refrigerant is released by heat release to an external cooling medium, i. the ambient air is liquefied.
  • the throttle body is a device for the continuous reduction of the pressure by cross-sectional constriction.
  • the refrigerant is a fluid used for heat transfer in the cryogenic system which absorbs heat at low temperatures and low pressure of the fluid and releases heat at higher temperature and pressure of the fluid, usually including changes in state of the fluid.
  • the rotary disc valve comprises a rotatably mounted disc with openings through which the refrigerant can flow, depending on the position of the hub.
  • the turntable valve comprises a stepping motor, which is controlled by suitable electronics.
  • mechanical vibrations occur that can be transmitted to the housing of the refrigeration device and cause unwanted noise.
  • FIG. 2 shows a perspective view of a rotary disk valve 205.
  • Turntable valve 205 includes a metallic housing to which leads 201 for supplying and discharging the refrigerant. Inside the valve housing, the turntable is arranged to change the flow of the refrigerant supplied through the conduits.
  • a mounting plate or retaining plate 203 is provided for attachment of the rotary disk valve 205 to the housing of the refrigerator .
  • the mounting plate 203 may for example consist of a part of a metallic angle piece, on the other part of the rotary disk valve 205 is arranged.
  • Turntable valve on the elbow can be done for example by screws.
  • a bent by 90 ° sheet of stainless steel strip can be used.
  • the mounting plate is formed from a suitable plastic, which may also be vibration-absorbing.
  • the rotary disk valve 205 may be disposed on the angle piece on a rubber block.
  • Turntable valve 205 For damping vibrations, a molded rubber part 307 is arranged between the mounting plate 203 of the rotary disk valve 205 and the refrigeration device housing 301, so that between the refrigerator housing 301 and rotary disk valve 205 no rigid connection exists and generated by the rotary disk valve 205
  • Vibrations are damped.
  • the mounting plate 203 is inserted into a recess 309 in the rubber molding 307.
  • a bolt or a nose 303 is provided by the
  • Refrigeration unit housing 301 protrudes. On this nose 303 then the rubber molding 307 is pushed. To prevent the rubber molding 307 from sliding down the nose 303, the nose 303 comprises a spherical head 305.
  • the entire assembly is fixed to the housing so that the mounting plate 203 is separated by the rubber molding 307 from the refrigerator housing 301 and the
  • Vibrations of the rotary disk valve 205 is not transmitted to the refrigerator housing 301.
  • further sound insulation of the refrigeration device 100 can be achieved by using sound-absorbing or sound-absorbing material to combat airborne sound.
  • sound-absorbing or sound-absorbing material can be used to lining the room inside the Refrigeration device 100 can be used, in which the rotary disk valve is located.
  • Suitable materials may be, for example, foam or fiber materials.
  • FIG. 4 shows a further embodiment of an assembly according to the invention
  • the mounting plate 203 includes three recesses 41 1.
  • the rubber molding 401 includes three openings 403 and a slot 409 at the top.
  • the mounting plate 203 is pushed from above into the slot 409, so that it lies in a pocket formed by the slot 409 within the rubber molding 201.
  • the mounting plate 203 is surrounded on both sides by the rubber molding.
  • the molded rubber part 401 is stretched around the mounting plate 203 and locks.
  • associated openings 403 is achieved that the rotary disk valve 205 can be securely and torsionally attached to the holding part 405.
  • the holding part 405 is then placed in a suitable receptacle inside the refrigeration device 100.
  • This type of attachment is a particularly simple and in one
  • Housing 301 of the refrigeration device 100 reached. In addition, it is achieved that vibrations of the rotary disk valve 205 are not transmitted to the housing of the refrigeration device 100.
  • Fig. 5 shows another view of the mounted rotary disk valve 205.
  • the rotary disk valve 205 can be mounted only in a take-off direction, while translational movements in other directions or rotational movements are excluded.
  • the invention enables a simple installation of the valve in the engine room and, above all, ensures a reduced noise emission of the valve.
  • a Reduction of the transmission of imbalances, vibrations and natural vibrations of the rotary slide valve reaches the housing of the refrigerator.
  • any system for damping vibrations is converted by the kinetic energy into heat energy.
  • any other material may be used to make the damping molding, such as silicone or foam.
  • the shape of the damping element is not limited to the shape shown, but it can be used in the same way other forms that for
  • the attachment of the rotary disk valve via hollow cone bearings can be carried out, which have as a damping element a hollow cone made of elastic material, whose foot is fixed to the housing of the refrigerator and whose tip is fixed to the holding plate of the rotary disk valve.
  • the attachment of the damping element is generally not limited to certain
  • damping element for example, instead of openings and internal or external thread can be provided, through which the damping element can be fastened by screws. It is also advantageous if the damping element is filled with air,
  • the cavity may also be filled with a viscous fluid, such as a gel, which may be used to further cushion the fluid
  • hollow ball structures with a large number of cavities are possible, in the interior of which free-moving particles or liquids are present, which act as vibration dampers.
  • sandwich structures can be used, the damping behavior of several layers of different materials in one

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Valves (AREA)

Abstract

La présente invention concerne un appareil de froid (100) comportant une caisse (301) et une soupape à disque rotatif (205), une pièce d'amortissement (307) présentant une certaine forme étant située entre la soupape à disque rotatif (205) et la caisse (301) pour permettre un désaccouplement mécanique entre la soupape à disque rotatif (205) et la caisse (301).
PCT/EP2013/060639 2012-06-05 2013-05-23 Appareil de froid muni d'une pièce d'amortissement présentant une certaine forme WO2013182432A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012209478.4 2012-06-05
DE102012209478A DE102012209478A1 (de) 2012-06-05 2012-06-05 Kältegerät mit einem dämpfungsformteil

Publications (1)

Publication Number Publication Date
WO2013182432A1 true WO2013182432A1 (fr) 2013-12-12

Family

ID=48471002

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/060639 WO2013182432A1 (fr) 2012-06-05 2013-05-23 Appareil de froid muni d'une pièce d'amortissement présentant une certaine forme

Country Status (2)

Country Link
DE (1) DE102012209478A1 (fr)
WO (1) WO2013182432A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022207351A1 (de) 2022-07-19 2024-01-25 BSH Hausgeräte GmbH Kältegerät und Halter zum Fixieren von Funktionskomponenten eines Kältemittelkreislaufs in einem Maschinenraum eines Kältegeräts
DE102022207350A1 (de) 2022-07-19 2024-01-25 BSH Hausgeräte GmbH Kältegerät und Halter zum Fixieren von Funktionskomponenten eines Kältemittelkreislaufs in einem Maschinenraum eines Kältegeräts und Verfahren zur Montage des Halters an einer Tragvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521612A (en) * 1947-08-12 1950-09-05 Sperling Gustav Thermostatic valve
JPH10309936A (ja) * 1997-05-08 1998-11-24 Zexel Corp 自動車用クーリングユニット

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521612A (en) * 1947-08-12 1950-09-05 Sperling Gustav Thermostatic valve
JPH10309936A (ja) * 1997-05-08 1998-11-24 Zexel Corp 自動車用クーリングユニット

Also Published As

Publication number Publication date
DE102012209478A1 (de) 2013-12-05

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