EP3418581B1 - Refrigerator and fan assembly thereof - Google Patents

Refrigerator and fan assembly thereof Download PDF

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Publication number
EP3418581B1
EP3418581B1 EP18176205.5A EP18176205A EP3418581B1 EP 3418581 B1 EP3418581 B1 EP 3418581B1 EP 18176205 A EP18176205 A EP 18176205A EP 3418581 B1 EP3418581 B1 EP 3418581B1
Authority
EP
European Patent Office
Prior art keywords
vibration reduction
connecting member
reduction element
fan assembly
fastener
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
EP18176205.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3418581A1 (en
Inventor
Hongfu Bao
Jia Chen
Xiupeng Chen
Huake Wang
Shiyu WANG
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
Priority to PL18176205T priority Critical patent/PL3418581T3/pl
Publication of EP3418581A1 publication Critical patent/EP3418581A1/en
Application granted granted Critical
Publication of EP3418581B1 publication Critical patent/EP3418581B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • 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 the field of refrigeration devices, and in particular, to a refrigerator and a fan assembly of the refrigerator.
  • refrigerators undertake daily works of retaining food freshness for users.
  • a fan is additionally disposed in a storage room of an existing refrigerator, cold air circulation within the storage room is strengthened by using the fan, thereby implementing a more uniform temperature of the storage room.
  • High-speed operation of the fan easily generates noise. How to better resolve the noise problem is always concerned by a person skilled in the art.
  • a refrigerator and a fan assembly therefore according to the preambles of claims 7 and 1, respectively, is disclosed in DE 20 2005 014370 U1 .
  • the first connecting member of the housing is either a tubular member sleeved on a first part of the vibration reduction element, or it is a pin engaging a passage of the vibration reduction element, and a second connecting member is a hole engaged by a second part of the vibration reduction element.
  • a form-fitting engagement is achieved by a barbed hook formed at the distal end of the pin, but the barbed hook makes the connection difficult to detach again.
  • the housing of the fan and a body of a refrigerator are indirectly flexibly connected by using the vibration reduction element without being directly rigidly connected any longer. Therefore, vibration energy of the housing of the fan is absorbed by the vibration reduction element without being directly transferred to the body of the refrigerator, thereby greatly reducing noise generated by high-speed operation of the fan.
  • the vibration reduction element is sleeved on the second connecting member, and the first connecting member is engaged with the vibration reduction element.
  • At least a part of the second connecting member passes though the vibration reduction element and exceeds a preset length of an end portion that is of the vibration reduction element and that is far away from the reinforcement member.
  • the second connecting member includes a fastener and a gasket connected to the fastener, the vibration reduction element is sleeved on the gasket, and at least a part of the gasket passes through the vibration reduction element and exceeds the preset length of the end portion that is of the vibration reduction element and that is far away from the reinforcement member.
  • the reinforcement member further includes a body plate, and the fastener is located at one side that is of the body plate and that faces the housing.
  • the fastener and a plate surface of the body plate are intersected, the fastener is provided with a through hole extending along a length direction, and the through hole runs through the body plate.
  • the screw has a limiting step, and after the screw is driven into the through hole, the limiting step abuts against a hole edge of the through hole, to implement a limitation.
  • the refrigerator includes a body having a storage room and the fan assembly according to any one of the foregoing implementations, and the fan assembly is located in the storage room and is fastened to the body by using the mounting base.
  • FIG. 2 is a diagram of an inner structure of the refrigerator 1 in FIG. 1 in a right view direction.
  • the refrigerator 1 includes a body 3 having one or more storage rooms 2, and the fan assembly 10 is disposed in the storage room 2, and is generally disposed at one side that is of the storage room 2 and that is far away from a door of the refrigerator, that is, at an inner side of the storage room 2.
  • the fan assembly 10 includes a mounting base 20 and a fan 30 that is fastened to the mounting base 20.
  • the fan assembly 10 is fastened to the body 3 by using the mounting base 20.
  • the mounting base 20 includes a housing 21 accommodating the fan 30, and a reinforcement member 22 that fastens the housing 21 to a to-be-mounted structure; the housing 21 is provided with a first connecting member 211 and the reinforcement member 22 is provided with a second connecting member 221 that matches and that is connected to the first connecting member 211; and the first connecting member 211 is indirectly connected to the second connecting member 221 by using a vibration reduction element 40.
  • An advantage of the solution is that the housing of the fan and the body of the refrigerator are indirectly flexibly connected by using the vibration reduction element without being directly rigidly connected any longer. Therefore, vibration energy of the housing of the fan is absorbed by the vibration reduction element without being directly transferred to the body of the refrigerator, thereby greatly reducing noise generated by high-speed operation of the fan.
  • a function of the fan 30 is accelerating air flowing in the storage room 2, so that temperature distribution within the storage room 2 is more uniform.
  • an air exhaust vent of the fan 30 is close to an inner wall of the storage room 2, and an air intake vent faces a relatively large space, so that air in the storage room 2 flows towards the air intake vent, enters the fan 30 from the air intake vent, and flows out from the air exhaust vent after being mixed by the fan 30, thereby achieving a uniform air temperature. Therefore, it can be understood that when a user opens the door, one side of the air exhaust vent of the fan 30 is located at a relatively concealed location and is not easily seen.
  • the fan assembly 10 is located at the inner side of the storage room 2, and an air intake vent 10a of the fan 30 is located at one side that is of the door and that faces the refrigerator 1, and an air exhaust vent 10b is located at one side that is of the door and that is away from the refrigerator 1.
  • an air intake vent 10a of the fan 30 is located at one side that is of the door and that faces the refrigerator 1
  • an air exhaust vent 10b is located at one side that is of the door and that is away from the refrigerator 1.
  • the mounting base 20 includes the housing 21 accommodating the fan 30, and the reinforcement member 22 that fastens the housing 21 to the to-be-mounted structure.
  • the reinforcement member 22 includes a body plate 222 and the second connecting member 221.
  • the second connecting member 221 includes a fastener 221a and a gasket 221b that may be connected together. In a process of mounting or dismounting the mounting base 20, the fastener 221a and the gasket 221b may be separated from each other.
  • the fastener 221a extends towards one side that is of the body plate 222 and that faces the housing 1.
  • the fastener 221a and a plate surface of the body plate 222 are intersected.
  • the plate surface of the body plate 222 has a first surface facing the housing 21, and a second surface away from the housing 21.
  • the gasket 221 b has an end portion that is close to the body plate 222 and an end portion that is far away from the body plate 222.
  • the radial width of the end portion that is of the gasket 221b and that is close to the body plate 222 is greater than that of the end portion that is far away from the body plate 222.
  • the end portion that is of the gasket 221b and that is close to the body plate 222 is connected to the fastener 221a.
  • the end portion that is of the gasket 221b and that is far away from the body plate 222 passes through the vibration reduction element 40, that is, the vibration reduction element 40 is sleeved on the end portion that is of the gasket 221b and that is far away from the body plate 222.
  • the vibration reduction element 40 is made of a silica gel material and has a good vibration isolation effect.
  • the first connecting member 211 of the housing 21 is engaged with the vibration reduction element 40.
  • the first connecting member 211 is indirectly connected to the second connecting member 221 by using the vibration reduction element 40, so that the housing of the fan and the body of the refrigerator are indirectly flexibly connected by using the vibration reduction element without being directly rigidly connected any longer. Therefore, vibration energy of the housing of the fan is absorbed by the vibration reduction element without being directly transferred to the body of the refrigerator, thereby greatly reducing noise generated by high-speed operation of the fan.
  • Both the fastener 221a and the gasket 221b are provided with through holes that extend along a length direction and that are communicated with each other, and a screw 50 is driven into the through hole, to better implement a fixed connection between the housing 21 and the reinforcement member 22.
  • the end portion that is of the gasket 221b and that is far away from the body plate 222 exceeds a preset length, for example, 2-3 millimeters, of an end portion that is of the vibration reduction element 40 and that is far away from the body plate 222.
  • a head of the screw 50 may be prevented from pressing against the vibration reduction element 40, thereby ensuring that vibration isolation performance of the vibration reduction element 40 is not affected.
  • a gasket 51 is further disposed on the end portion that is of the vibration reduction element 40 and that is far away from the body plate 222, to further prevent the head of the screw 50 from excessively pressing against the vibration reduction element 40.
  • FIG. 5 is a schematic exploded view of a fan assembly according to a second embodiment of the present application.
  • a difference between this embodiment and the first embodiment at least lies in that the second connecting member of the reinforcement member 22 is formed by extending the fastener 221a' through the vibration reduction element 40 to the side that is of the body plate 222 and that faces the housing 1. That is, in this embodiment, the second connecting member is basically formed by extending the fastener 221a', so that disposition of the gasket 221b is omitted.
  • the end portion that is of the fastener 221a' and that is far away from the body plate 222 exceeds the preset length, for example, 2-3 millimeters, of the end portion that is of the vibration reduction element 40 and that is far away from the body plate 222.
  • the head of the screw 50 may be prevented from excessively pressing against the vibration reduction element 40, thereby ensuring that vibration isolation performance of the vibration reduction element 40 is not affected.
  • FIG. 6 is a schematic exploded view of a fan assembly according to a third embodiment of the present application.
  • a difference between this embodiment and the first embodiment at least lies in that the second connecting member of the reinforcement member 22 is basically directly formed by using the fastener 221a in FIG. 4 , so that disposition of the gasket 221b is omitted.
  • a screw 50' has a limiting step 52', and after the screw 50' directly passes through the vibration reduction element 40 and is driven into the through hole of the fastener 221a, the limiting step 52' of the screw 50' abuts against a hole edge 221c of the through hole of the fastener 221a, to implement a limitation, so that the screw 50' is prevented from further being driven into the through hole, and the head of the screw 50' may be prevented from excessively pressing against the vibration reduction element 40, thereby ensuring that vibration isolation performance of the vibration reduction element 40 is not affected.

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  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP18176205.5A 2017-06-20 2018-06-06 Refrigerator and fan assembly thereof Active EP3418581B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18176205T PL3418581T3 (pl) 2017-06-20 2018-06-06 Lodówka i jej zespół wentylatora

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720716475.XU CN207333306U (zh) 2017-06-20 2017-06-20 冰箱及其风扇总成

Publications (2)

Publication Number Publication Date
EP3418581A1 EP3418581A1 (en) 2018-12-26
EP3418581B1 true EP3418581B1 (en) 2021-03-17

Family

ID=62426711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18176205.5A Active EP3418581B1 (en) 2017-06-20 2018-06-06 Refrigerator and fan assembly thereof

Country Status (3)

Country Link
EP (1) EP3418581B1 (pl)
CN (1) CN207333306U (pl)
PL (1) PL3418581T3 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113357178A (zh) * 2021-07-13 2021-09-07 阳光电源股份有限公司 一种风扇组件及逆变器
SI26309A (sl) * 2021-12-30 2023-07-31 Gorenje Gospodinjski Aparati, D.O.O. Hladilni in/ali zamrzovalni aparat

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0201397B1 (pt) * 2002-04-19 2011-10-18 arranjo de montagem para um ventilador de refrigerador.
DE20219814U1 (de) * 2002-12-20 2003-03-06 Thoma, Peter, 85625 Glonn Gummielastischer Montagerahmen für einen Axiallüfter
DE202005014370U1 (de) * 2005-09-12 2006-07-20 BSH Bosch und Siemens Hausgeräte GmbH No-Frost-Kältegerät
EP2936011B1 (en) * 2012-12-24 2016-11-16 Arçelik Anonim Sirketi Evaporator fan case fixing system for a refrigerator
CN106151106B (zh) * 2015-04-10 2019-05-07 讯凯国际股份有限公司 主动式元件的壳体及其制造方法

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
PL3418581T3 (pl) 2021-11-08
EP3418581A1 (en) 2018-12-26
CN207333306U (zh) 2018-05-08

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