EP2812639B1 - Kältegerät mit einem lüfter und ein verfahren zur montage des lüfters - Google Patents

Kältegerät mit einem lüfter und ein verfahren zur montage des lüfters Download PDF

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Publication number
EP2812639B1
EP2812639B1 EP13700741.5A EP13700741A EP2812639B1 EP 2812639 B1 EP2812639 B1 EP 2812639B1 EP 13700741 A EP13700741 A EP 13700741A EP 2812639 B1 EP2812639 B1 EP 2812639B1
Authority
EP
European Patent Office
Prior art keywords
bearing
bearing pin
fan housing
fan
locking
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.)
Active
Application number
EP13700741.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2812639A1 (de
Inventor
Alexander Koch
Michaela Malisi
Renate Pradel
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 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2812639A1 publication Critical patent/EP2812639A1/de
Application granted granted Critical
Publication of EP2812639B1 publication Critical patent/EP2812639B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067—Evaporator fan units
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49327—Axial blower or fan

Definitions

  • the present invention relates to a refrigerator with an evaporator and with a fan and a mounting method for mounting the fan.
  • the fan should therefore be easy to install and the installation can be realized inexpensively.
  • fans have moving parts, in particular impellers, which are subject to wear, it is advantageous to be able to easily replace the fan.
  • the fan should therefore be quick and easy to assemble and disassemble.
  • the invention relates to a refrigeration device with an evaporator and with a fan and a fan housing for generating an air flow to the evaporator and with a bearing shell for vibration-decoupled mounting of the fan housing the evaporator wherein the fan housing has at least one first journal and a second journal, that the bearing shell has at least a first receiving recess for pivotally receiving the first journal and a second receiving recess for receiving the second journal, and in that a pivotable locking element for locking the second journal in the second receiving recess is provided.
  • the fan has, for example, an external rotor fan motor.
  • An external rotor is a design of electric motors in which the stationary part (stator) of the motor is located inside and is enclosed by the moving part (rotor, "rotor"). These can be, for example, asynchronous motors with squirrel-cage rotors.
  • the rotor When executed as an external rotor electronically commutated DC motors, the rotor consists for example of several alternately radially aligned annularly arranged permanent magnet or a corresponding multi-pole magnetized ring.
  • a refrigeration cycle of the refrigeration device comprises, for example, a compressor for compressing refrigerant vapor, a condenser connected downstream of the compressor for condensing the refrigerant vapor and the evaporator connected downstream of the condenser and for the evaporation of the liquefied refrigerant.
  • the condenser is like the evaporator for heat transfer between supplied air and the fluid of the refrigeration circuit established.
  • Under refrigeration device is in particular a household refrigeration appliance understood, ie a refrigerator, which is used for household management in the household or catering trade, and in particular serves to store food and / or drinks at certain temperatures, such as a refrigerator, a freezer, a refrigerator combination, a freezer or a wine fridge.
  • a household refrigeration appliance understood, ie a refrigerator, which is used for household management in the household or catering trade, and in particular serves to store food and / or drinks at certain temperatures, such as a refrigerator, a freezer, a refrigerator combination, a freezer or a wine fridge.
  • the first bearing journal and the second bearing journal are each provided with annular damping elements, in particular annular rubber sleeves, for vibration decoupling.
  • annular damping elements in particular annular rubber sleeves
  • the vibrations of the housing of the fan are not or only to a lesser extent transferred to the evaporator.
  • the respective damping element may be elastic, for example made of rubber.
  • the respective damping element allows storage of the fan housing on the evaporator while preventing or reducing transmission of vibrations from the housing to the evaporator.
  • noise emissions resulting from the radiation of sound waves resulting from vibrations transmitted from the housing of the fan from the evaporator to the environment are avoided.
  • the noise emissions of the refrigerator are thereby improved.
  • the first bearing pin is insertable into the first receiving recess and forms a pivot axis for a pivot bearing of the fan housing with respect to the bearing shell.
  • a third bearing journal can be provided, which can be arranged at the same height as the first bearing journal, ie along the pivot axis.
  • the fan housing is thus arranged pivotably on the first bearing journal.
  • the second bearing journal can be pivoted into the second receiving recess. This can be realized for example by a pivoting of the fan housing on the aforementioned pivot axis.
  • the first receiving recess is formed by a slot which is open at the edge and into which the first bearing journal can be inserted. As a result, a secure mounting of the first journal is achieved.
  • the fan housing has a third bearing journal and fourth journal, wherein the bearing shell has at least one third receiving recess for pivotally receiving the third journal and a fourth receiving recess for receiving the fourth journal, wherein the first journal and the third journal laterally and opposite each other are arranged on the fan housing, wherein the second bearing journal and the fourth journal are arranged laterally opposite one another on the fan housing, and that the locking element is provided for locking the fourth journal in the fourth receiving recess.
  • the first and the third bearing pin may be arranged below or above the second and the third bearing pin.
  • the bearing pins are mounted laterally on the fan housing, wherein the first, second, third and fourth receiving recess is formed laterally in the bearing shell, in particular in lateral walls of the bearing shell.
  • At least one arresting receptacle in particular locking bolt, is provided for the locking of the locking element on the bearing shell.
  • the locking element has at least one locking hook, which is designed to pivotally engage behind the locking receptacle, in particular locking bolt.
  • the locking element may have a further locking hook, which is arranged opposite the locking hook and engages behind a further receptacle. As a result, the locking element can be locked on both sides of the fan housing.
  • the locking element comprises a mounting bracket pivotally mounted on the fan housing, wherein the respective locking hook is attached to the mounting bracket.
  • the lock can be particularly easily realized.
  • the second bearing pin and / or the fourth bearing pin can be locked during a rotational movement of the mounting bracket about a bearing axis of the mounting bracket.
  • the aforementioned locking hooks can engage behind the Arretianssaufhahmen.
  • the mounting bracket with the bearing shell by means of a latching connection in particular by means of a latching hook, releasably connectable.
  • the mounting bracket on both sides of the bearing shell, in particular by means of the bearing pin, pivotally mounted and engages in a locking position in which the respective bearing pin is locked in the respective second receptacle, the bearing shell at least partially. This allows the mounting bracket to be mounted on the bearing shell and hold the fan housing in addition.
  • the bearing shell is attached to the evaporator or formed by an evaporator pan.
  • the invention relates to a mounting method for mounting a fan with a Beerergeophuse in a refrigerator by means of a bearing shell for vibration-decoupled mounting of the fan housing, wherein the fan housing has at least a first bearing pin and at least one second bearing journal, wherein the bearing shell a first receiving recess for pivotally mounted Receiving the first journal and a second receiving recess for receiving the second journal, and wherein a pivotable locking element is provided for locking the second journal in the second receiving recess.
  • the method comprises inserting the first bearing journal of the air housing into the first receiving recess of the bearing shell, pivoting the second bearing journal into the second receiving recess of the bearing shell by pivoting the air housing about a pivot axis defined by the first bearing journal towards the bearing shell, and locking the second bearing journal in the second receiving recess by the locking element.
  • the bearing journals of the fan housing are fixed in the vertical and horizontal directions. About a rotational movement about the first bearing axis, the bearing journals of the fan housing are pivoted during assembly in the second bearing shells of the bearing shell, whereby the fan housing is positioned horizontally against the bearing shell.
  • FIG. 1 shows a schematic representation of a fan 5 of a refrigerator 1 with a fan housing 11.
  • a first bearing journal 13 and a second bearing journal 14 are arranged on the fan housing 11 opposite one another.
  • Above the first and second bearing pins 13, 14, a third bearing pin 21 and a fourth bearing pin 22 are arranged on the fan housing 11 opposite one another.
  • the journals 13, 14, 21, 22 are provided to attach the fan 5 in the bearing shell 4, which on an evaporator (in Fig. 1 not shown) can be attached.
  • damping elements 17 are mounted to decouple the fan 5 of the bearing shell 4 and thus of the evaporator vibration technology.
  • the damping elements 17 are designed annular in this embodiment and attached to the bearing pins 13, 14, 21, 22. As a result, they space and damp the bearing journals 13, 14, 21, 22 both in the axial and in the radial direction.
  • a locking element 30 which comprises a mounting bracket 31 with locking hook 33.
  • the mounting bracket 31 is in Fig. 1 shown in front view.
  • the mounting bracket 31 extends in approximately semicircular along the bearing shell 4.
  • locking hooks 35 are provided for locking the mounting bracket.
  • Arretiansshaken 33 are provided at the ends of the mounting bracket 31, which engage behind the locking of the second and the fourth bearing pin 21, 22 corresponding locking receptacles, for example, locking pin.
  • the bearing journals 13, 14, 21, 22 of the fan housing 11 ensure positionally accurate positioning of the fan wheel of the fan 5 in the axial and radial directions to an inlet nozzle located on the bearing shell 4.
  • the vibration decoupling is characterized on the fan housing 11 so by two bearing axes, each with opposite bearing pins 13, 14 and 21, 22.
  • the damping element 17 is made of rubber, for example. It extends, for example, so radially around the respective bearing journal, that even a radial contact between bearing pin 13, 14, 21, 22 and evaporator is avoided. A transmission of vibrations from the fan 5 to the evaporator via the bearing journals 13, 14, 21, 22 is thereby avoided.
  • the first and the third bearing journals 13 and 14 of the fan housing 11 are each inserted into corresponding receiving recess of the bearing shell, which may be formed as elongated holes. Thereafter, the second and the fourth bearing pin 21, 22 inserted into corresponding receiving recesses of the bearing shell 4 by pivoting the fan housing 11 about a defined by the first bearing pin 13 pivot axis to the bearing shell 4 out. Thereafter, the second and the fourth bearing pin 21, 22 are locked in the corresponding receiving recesses by the locking element 30. In this case, the locking hooks 33 engage behind corresponding locking receptacles, which can be designed as locking pins.
  • FIG. 2 shows a schematic representation of the fan 5 with the mounting bracket 31 open in side view.
  • the mounting bracket 31 is pivoted away from the fan 5 as shown. The pivoting takes place in this embodiment to the Pivot axis of the first trunnion 13.
  • the mounting bracket 31 is thereby pivoted in or out of the image plane.
  • a seal 37 can be seen, which serves to seal the fan 5 with an evaporator.
  • Arretiansshaken 33 are provided laterally on the mounting bracket 31 and serve to be brought when pivoting the mounting bracket 31 into engagement with the bearing shell 4 to secure the fan 5.
  • a spring element may be provided that aligns the mounting bracket 31 in its pivotal position elastically to the evaporator.
  • a defined mounting of the fan housing 11 can be achieved by the mounting bracket 31.
  • the mounting bracket 31 has, for example, at least one locking hook 33 for locking on a device provided on the evaporator Arrent Wegsinger.
  • the arresting receptacle can be designed as a locking pin, which can be engaged behind by the locking hook 33.
  • the locking hook 33 is formed on the mounting bracket 31 so that the locking hook 33 forms a unit with the mounting bracket 31.
  • the locking element 30 is preferably rotatably mounted on the bearing journal 21, 22 of the fan housing 11.
  • the locking element 30 is executed, for example, at its lateral ends, each with a locking hook 33.
  • the lateral locking hooks 33 are hooked into the designated locking bolts of the bearing shell 4 and can be supported there. This increases the stability of the connection of the fan housing 11 with the bearing shell 4.
  • At least one latching hook 35 is arranged on the locking element 30 for a latching connection with the bearing shell 4 or with the evaporator.
  • the latching hook 35 is detachable, for example, by a manual deflection of the latching.
  • the locking hook 35 located on the locking element 30 is latched "audibly" in a receptacle provided with the bearing shell 4, for example.
  • the audible locking ensures that the operator can perceive the latching process particularly well.
  • the geometry of the Latching hook 35 is, for example, chosen so that upon compression of two oppositely arranged latching hooks 35, the latching connection is releasable again, but on loading the closed latching connection on train the latching hooks 35 further spread to ensure the latching.
  • an elastic seal between the fan housing 11 and the bearing shell 4 is provided.
  • the seal is for example captively attached to the fan housing 11, while it only comes to rest sealingly on the bearing shell 4.
  • a knotted seal may be provided, for example, at the front circumferential edge of the fan housing, the geometry is chosen so that the stable seal base secures the captive attachment to the fan housing, while the sealing lip flexible and almost no force the bearing shell rests.
  • FIG. 3 shows a side view of a bearing shell 4, which may be formed as an evaporator trough of an evaporator 3.
  • the bearing shell 4 has a first receiving recess 15 and a second receiving recess 23.
  • the receiving recesses 15, 23 are provided to receive the bearing journals 13, 21.
  • the bearing pins 13, 21 of the fan 5 in the recesses 15, 23 come to rest, so that they find stop there.
  • FIG. 4 shows a schematic representation of the evaporator 3 with attached fan 5 with the mounting bracket 31 open in side view. Shown is the arrangement in which only the first bearing pin 13 of the fan 5 engages in the corresponding first receiving recess 15 of the bearing shell 4. The second bearing pin 21 is still spaced to the second recess 23 associated therewith.
  • the first receiving recess 15 is formed in the shape of a slot, so that the inserted first bearing pin 13 can be supported against the bearing shell 4 and the fan 5 holds down the evaporator 3. In this case, the fan 5 remains pivotable about the pivot axis of the first journal 13.
  • FIG. 5 shows a schematic representation of the evaporator 3 with attached fan 5 with closed locking element 30 in side view. Shown is the arrangement in which the second bearing pin 21 of the fan 5 engages in the corresponding second receiving recess 23 of the fan 5. This arrangement is created by further pivoting of the fan 5 about the axis of the first journal 13 on the bearing shell 4 and the evaporator 3 to.
  • the mounting bracket 31 is in this case now closed, and takes over the function to keep the evaporator 3 and the fan 5 in position.
  • a locking hook 33 is also provided, which can engage behind in a provided on the bearing shell 4 Arret michsaufhahme 34.
  • the Arret istsaufhahme 34 is designed as a locking pin that protrudes from the bearing shell 4.
  • FIG. 6 shows a schematic representation of a mounting bracket 31 with the locking hook 35.
  • the latching hook 35 is latched to the evaporator 3 and the bearing shell 4 and avoids accidental release of the mounting bracket 31.
  • To fix the mounting bracket 31 in its end position of the mounting bracket 31 is located Latch hook 35 locked in a designated receptacle of the bearing shell.
  • the fan solution combines the external rotor engine technology with an integrated air duct.
  • This construction in conjunction with the gap-free system on the bearing shell 4 ensures a high, lossless air performance. Further is a vibration-decoupled and therefore noise-minimized connection of the fan 5 with integrated air duct given.
  • the fan 5 is compact and safe and easy to install. In customer service case is also easy to disassemble and safely reassembled.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Rolling Contact Bearings (AREA)
EP13700741.5A 2012-02-09 2013-01-21 Kältegerät mit einem lüfter und ein verfahren zur montage des lüfters Active EP2812639B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012201883A DE102012201883A1 (de) 2012-02-09 2012-02-09 Kältegerät mit einem Lüfter
PCT/EP2013/051003 WO2013117412A1 (de) 2012-02-09 2013-01-21 Kältegerät mit einem lüfter

Publications (2)

Publication Number Publication Date
EP2812639A1 EP2812639A1 (de) 2014-12-17
EP2812639B1 true EP2812639B1 (de) 2016-04-06

Family

ID=47594753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13700741.5A Active EP2812639B1 (de) 2012-02-09 2013-01-21 Kältegerät mit einem lüfter und ein verfahren zur montage des lüfters

Country Status (7)

Country Link
US (1) US9528742B2 (pl)
EP (1) EP2812639B1 (pl)
CN (1) CN104105932B (pl)
DE (1) DE102012201883A1 (pl)
PL (1) PL2812639T3 (pl)
RU (1) RU2579361C1 (pl)
WO (1) WO2013117412A1 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110906610A (zh) * 2018-09-17 2020-03-24 青岛海尔股份有限公司 风冷冰箱

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3034970B1 (de) * 2014-12-16 2020-06-17 Liebherr-Hausgeräte Lienz GmbH Abdeckung eines kühl- und/oder gefriergerätes
DE102015001140A1 (de) * 2014-12-16 2016-06-16 Liebherr-Hausgeräte Lienz Gmbh Abdeckung eines Kühl- und/oder Gefriergerätes
CN106524311A (zh) * 2016-12-21 2017-03-22 广东美的暖通设备有限公司 风机翻转结构和温度调节设备
CN110906609B (zh) * 2018-09-17 2021-12-21 重庆海尔制冷电器有限公司 风冷冰箱

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110906610A (zh) * 2018-09-17 2020-03-24 青岛海尔股份有限公司 风冷冰箱
CN110906610B (zh) * 2018-09-17 2022-01-21 重庆海尔制冷电器有限公司 风冷冰箱

Also Published As

Publication number Publication date
US9528742B2 (en) 2016-12-27
EP2812639A1 (de) 2014-12-17
CN104105932B (zh) 2016-08-31
PL2812639T3 (pl) 2016-09-30
DE102012201883A1 (de) 2013-08-14
US20150047386A1 (en) 2015-02-19
WO2013117412A1 (de) 2013-08-15
RU2579361C1 (ru) 2016-04-10
CN104105932A (zh) 2014-10-15

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