EP3441702B1 - Geräuschanordnung für einen kühlschrank und ein kühlschrank damit - Google Patents

Geräuschanordnung für einen kühlschrank und ein kühlschrank damit Download PDF

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Publication number
EP3441702B1
EP3441702B1 EP16901558.3A EP16901558A EP3441702B1 EP 3441702 B1 EP3441702 B1 EP 3441702B1 EP 16901558 A EP16901558 A EP 16901558A EP 3441702 B1 EP3441702 B1 EP 3441702B1
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EP
European Patent Office
Prior art keywords
mounting panel
sound
refrigerator
coupling
sound structure
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
EP16901558.3A
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English (en)
French (fr)
Other versions
EP3441702A4 (de
EP3441702A1 (de
Inventor
Yong Wu
Guangming Dang
Liguo LIU
Ying Tang
Hao Zeng
Weiqing Wang
Chenghao SUI
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.)
Qingdao Haier Co Ltd
Original Assignee
Qingdao Haier Co Ltd
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Publication date
Application filed by Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Publication of EP3441702A1 publication Critical patent/EP3441702A1/de
Publication of EP3441702A4 publication Critical patent/EP3441702A4/de
Application granted granted Critical
Publication of EP3441702B1 publication Critical patent/EP3441702B1/de
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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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • 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
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • 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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/026—Supports for loudspeaker casings
    • 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
    • F25D2201/00—Insulation
    • F25D2201/30—Insulation with respect to sound

Definitions

  • the present invention relates to an anti-coupling sound structure for a refrigerator and a corresponding refrigerator.
  • One of the most important functions of an intelligent refrigerator is that it can perform human-computer interaction. Playing the voice with a sound structure set in the refrigerator is an important means of human-computer interaction.
  • the sound structure of the existing refrigerator includes a mounting panel and a sound body, the sound body being closely attached to a back face of the mounting panel and being fixedly connected by a buckle.
  • An electromagnetic compatibility experiment is an experiment in which various electrical equipments (also including organisms in a broad sense) can coexist under limited space, time, and spectral resources without causing degradation. It includes two parts: an electromagnetic interference test and an electromagnetic sensitivity test.
  • the electromagnetic interference test is to test the strength of a piece of equipment under test against surrounding electronic equipments by measuring the size of an electromagnetic wave signal generated by the equipment under test in normal working conditions and emitted outward.
  • the electromagnetic sensitivity test is to measure the anti-interference ability of the equipment under test against electromagnetic disturbance.
  • the sound body directly contacts the mounting panel, and the sound body easily resonates with the mounting panel during use, affecting the sound quality.
  • WO 2013106369A1 relates to integrated loudspeaker assemblies and associated audio processing systems and methods for enhancing audio from devices with highly con-strained form factors.
  • Document US2008165998A1 relates to appliances that host additional useful devices.
  • Document US2005134473A1 relates to a display unit for a refrigerator capable of improving the performance of speakers for transmitting sound and thus the sound quality thereof.
  • Document KR2008005763A relates to a sound device of a refrigerator.
  • Document US2016117022A1 relates to a touch sensor assembly for home appliances, a refrigerator door including the touch sensor assembly, and a method for manufacturing the refrigerator.
  • Document DE102011007409A1 discloses a household appliance having a speaker with a plate-like decorated swinging element that is provided for generating sound.
  • the sound body and the mounting panel are separated from each other, such that the refrigerator is less prone to electrostatic coupling in an electromagnetic compatibility experiment, helping to ensure experiment precision and also avoiding the impact on sound quality due to the resonance of the sound body in use with the mounting panel; moreover, the sound-converging effect of the enclosing portion can improve the directivity of the sound generated by the sound body, achieving a better listening effect.
  • orientations described herein are all referenced to the state in which a sound structure is normally installed in a refrigerator.
  • a front face of a mounting panel is the surface of the mounting panel facing the exterior of the refrigerator
  • a back face of the mounting panel is the surface of the mounting panel facing the interior of the refrigerator.
  • a sound structure 100 for a refrigerator comprises a mounting panel 1 configured to be connected to a refrigerator door body 4 or a refrigerator body 5, the mounting panel 1 being provided with several through holes 11; and a sound body 2 provided on the back face side of the mounting panel 1 and separated, by a gap 6, from the back face of the mounting panel 1.
  • the through holes 11 are used to increase the permeability between the sound body 2 and the external environment, facilitating the external transmission of sound.
  • the sound body 2 and the mounting panel 1 are separated from each other. Since the sound body 2 and the mounting panel 1 have a safe distance therebetween, and when an electromagnetic compatibility experiment is performed in the refrigerator and static electricity is applied to the front face of the mounting panel 1, the sound body 2 is less likely to suffer electrostatic coupling, which is beneficial to ensure the experiment precision of the electromagnetic compatibility experiment.
  • the sound body 2 is accompanied by vibration during use, providing close to the mounting panel 1 is easy to resonate with the mounting panel 1, thus affecting the sound quality; and the separation of the sound body 2 and the mounting panel 1 is beneficial to suppressing resonance generation, and the sound quality of the sound structure can be improved.
  • the sound structure is provided on a side face of the refrigerator door body 4, and the height of the sound structure is substantially equal to the head position of an adult when in a standing state.
  • the sound body 2 can be closer to a user's ear in most usage scenarios, which is beneficial to achieving a better listening effect.
  • the sound structure 100 for the refrigerator further comprises a cylindrical enclosing portion 3 with two open ends and provided between the sound body 2 and the mounting panel 1 to improve the directivity of the sound generated by the sound body 2.
  • the sound body 2 for a refrigerator is usually powered by a small built-in battery with low speaker power.
  • sound waves emitted by the sound body 2 are scattered and spread around, and the direction of some of the sound waves is deviated from the user's orientation (the user's orientation refers to the height orientation where the user may be when the refrigerator is normally used).
  • the sound waves transmitted upward must be reflected several times through the wall before they enter the human ear, rendering severe attenuation, and directly affecting the user's listening effect.
  • the sound waves emitted by the sound body 2 are reflected and converged by an inner wall of the enclosing portion 3, and then transmitted outward through the through holes 11 in the mounting panel 1, so that the sound waves are concentrated in the user's orientation, which is beneficial to improving the user's listening effect.
  • the through holes 11 are arranged in an array in the mounting panel 1 and cover most of the area of the mounting panel 1. Due to the converging effect of the enclosing portion 3, most of the sound waves are concentrated in the range of the enclosing portion 3. In other embodiments of the present invention, the through holes 11 may also be provided only in the area within the enclosing portion 3 of the mounting panel 1.
  • the enclosing portion 3 extends from the back face of the mounting panel 1 to come in contact with a front face of the sound body 2; the enclosing portion 3 extends from the back face of the mounting panel 1, i.e. forming an integral structure with the mounting panel 1, which can facilitate the injection moulding of the enclosing portion 3 and the mounting panel 1; and the enclosing portion 3 is in contact with the sound body 2, and the two are closely combined to form a sound-converging structure of a one-sided opening (the through holes 11 in the mounting panel 1), which can prevent the sound waves from leaking from a fitting slot of the enclosing portion 3 and the sound body 2.
  • the enclosing portion 3 and the mounting panel 1 may also use a separate structure in other embodiments of the present invention.
  • the sound body 2 comprises a connector plate 21 and a loudspeaker 22, the loudspeaker 22 being fixed to the connector plate 21, and the connector plate 21 being detachably and fixedly connected to the mounting panel 1.
  • the loudspeaker 22 is aligned with an end opening of the enclosing portion 3.
  • the inner diameter of the end opening on the side of the enclosing portion 3 close to the loudspeaker 22 is equal to the outer diameter of the loudspeaker 22.
  • the inner diameter of the end opening on the side of the enclosing portion 3 close to the loudspeaker 22 can also be greater than the outer diameter of the loudspeaker 22, as long as the size of the end opening of the enclosing portion 3 may cover the loudspeaker 22.
  • an outer edge of the connector plate 21 is provided with a retaining ring 23, the back face of the mounting panel 1 is provided with a raised column 12, the raised column 12 is provided with a screw hole, and the connector plate 21 is connected to the mounting panel 1 with the cooperation of a bolt passing through the retaining ring 23 and the screw hole.
  • the above-mentioned connection method of the cooperation of the buckle, the bolt and the screw hole is more stable and reliable, and the sound body 2 is not displaced due to the vibration of same during broadcasting.
  • the screw hole is provided in the raised column 12, and the sound body 2 can be supported by the raised column 12 to separate the sound body 2 from the mounting panel 1, naturally forming the gap 6.
  • the distance of the gap 6 is configured to prevent electrostatic coupling. If the distance is too large, the overall thickness of the sound structure is increased, and more space for an insulation layer of the refrigerator is occupied during installation, which affects the thermal insulation performance of the refrigerator.
  • the gap 6 is 7-10 millimetres.
  • the mounting panel 1 is embedded on the refrigerator door body 4 or the refrigerator body 5, and the surface of a front face of the mounting panel is on the same plane as an outer surface of the refrigerator door body 4 or the refrigerator body 5.
  • a refrigerator shown in Fig. 1
  • a refrigerator body 4 comprising a door body 4, a refrigerator body 5 and an anti-coupling sound structure 100 according to any of the embodiments of the present invention.
  • the mounting panel 1 of the anti-coupling sound structure 100 is connected to the refrigerator door body 4 or the refrigerator body 5.
  • the mounting panel 1 can be embedded on the refrigerator door body 4 or the refrigerator body 5, and the surface of a front face of the mounting panel is on the same plane as an outer surface of the refrigerator door body 4 or the refrigerator body 5.
  • the sound body and the mounting panel are separated from each other, such that the refrigerator is less prone to electrostatic coupling in an electromagnetic compatibility experiment, helping to ensure experiment precision and also avoiding the impact on sound quality due to the resonance of the sound body in use with the mounting panel; moreover, the sound-converging effect of the enclosing portion can improve the directivity of the sound generated by the sound body, achieving a better listening effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (10)

  1. Antikopplung-Schallanordnung (100) für einen Kühlschrank, umfassend:
    eine Montageplatte (1), die dazu ausgestaltet ist, mit einem Kühlschranktürkorpus (4) oder einem Kühlschrankkorpus (5) verbunden zu sein, wobei die Montageplatte (1) mit mehreren Durchgangslöchern (11) versehen ist; und
    einen Schallkorpus (2) zum Aussenden von Schallwellen, der auf der Rückflächenseite der Montageplatte (1) vorgesehen und durch einen Spalt (6) von der Rückfläche der Montageplatte (1) getrennt ist, wobei die Rückfläche der Montageplatte (1) eine Oberfläche der Montageplatte (1) ist, die dazu ausgestaltet ist, einem Innenraum des Kühlschrankes oder des Kühlschranktürkorpus (4) zugewandt zu sein,
    dadurch gekennzeichnet, dass
    der Spalt (6) 7 - 10 Millimeter groß ist, um sowohl eine kapazitive Kopplung zwischen der Montageplatte (1) und dem Schallkorpus (2) der Antikopplung-Schallanordnung (100) als auch eine Zunahme der Gesamtdicke der Antikopplung-Schallanordnung (100) zu verhindern.
  2. Antikopplung-Schallanordnung (100) nach Anspruch 1, ferner umfassend:
    einen zylindrischen umschließenden Abschnitt (3) mit zwei offenen Enden und vorgesehen zwischen dem Schallkorpus (2) und der Montageplatte (1), um die Richtcharakteristik eines durch den Schallkorpus (2) erzeugten Schalls zu verbessern.
  3. Antikopplung-Schallanordnung (100) nach Anspruch 2, wobei
    die Durchgangslöcher (11) zumindest im Bereich der Montageplatte (1) vorgesehen sind, wobei sich der Bereich innerhalb des umschließenden Abschnittes (3) befindet.
  4. Antikopplung-Schallanordnung (100) nach Anspruch 2, wobei
    sich der umschließende Abschnitt (3) von der Rückfläche der Montageplatte (1) aus erstreckt, um in Kontakt mit einer Vorderfläche des Schallkorpus (2) zu kommen.
  5. Antikopplung-Schallanordnung (100) nach Anspruch 2, wobei
    der Schallkorpus (2) eine Anschlussplatte (21) und einen Lautsprecher (22) umfasst, wobei der Lautsprecher (22) an der Anschlussplatte (21) befestigt ist und die Anschlussplatte (21) abnehmbar und starr mit der Montageplatte (1) verbunden ist.
  6. Antikopplung-Schallanordnung (100) nach Anspruch 5, wobei
    der Lautsprecher (22) auf eine Endöffnung des umschließenden Abschnittes (3) ausgerichtet ist.
  7. Antikopplung-Schallanordnung (100) nach Anspruch 5, wobei
    der Innendurchmesser der Endöffnung auf der Seite des umschließenden Abschnittes (3) in der Nähe des Lautsprechers (22) größer als der oder gleich dem Außendurchmesser des Lautsprechers (22) ist.
  8. Antikopplung-Schallanordnung (100) nach Anspruch 5, wobei
    eine Außenkante der Anschlussplatte (21) mit einem Haltering (23) versehen ist, die Rückfläche der Montageplatte (1) mit einer erhöhten Stütze (12) versehen ist, die erhöhte Stütze (12) mit einem Schraubenloch versehen ist und die Anschlussplatte (21) mithilfe einer Schraube, die durch den Haltering (23) und das Schraubenloch geht, mit der Montageplatte (1) verbunden ist.
  9. Antikopplung-Schallanordnung (100) nach Anspruch 1, wobei
    die Montageplatte (1) dazu ausgestaltet ist, auf dem Kühlschranktürkorpus (4) oder dem Kühlschrankkorpus (5) eingelassen zu sein, und die Oberfläche einer Vorderfläche der Montageplatte (1) dazu ausgestaltet ist, sich auf derselben Ebene wie eine Außenfläche des Kühlschranktürkorpus (4) oder des Kühlschrankkorpus (5) zu befinden.
  10. Kühlschrank, umfassend einen Kühlschranktürkorpus (4), einen Kühlschrankkorpus (5) und eine Antikopplung-Schallanordnung (100) nach Anspruch 1, wobei die Montageplatte (1) der Schallanordnung (100) mit dem Kühlschranktürkorpus (4) oder dem Kühlschrankkorpus (5) verbunden ist.
EP16901558.3A 2016-05-11 2016-12-30 Geräuschanordnung für einen kühlschrank und ein kühlschrank damit Active EP3441702B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610309324.2A CN105910376A (zh) 2016-05-11 2016-05-11 一种冰箱上的防耦合音响结构
PCT/CN2016/113924 WO2017193603A1 (zh) 2016-05-11 2016-12-30 冰箱的防耦合音响结构及冰箱

Publications (3)

Publication Number Publication Date
EP3441702A1 EP3441702A1 (de) 2019-02-13
EP3441702A4 EP3441702A4 (de) 2019-04-17
EP3441702B1 true EP3441702B1 (de) 2022-05-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16901558.3A Active EP3441702B1 (de) 2016-05-11 2016-12-30 Geräuschanordnung für einen kühlschrank und ein kühlschrank damit

Country Status (4)

Country Link
EP (1) EP3441702B1 (de)
CN (1) CN105910376A (de)
ES (1) ES2917196T3 (de)
WO (1) WO2017193603A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105910376A (zh) * 2016-05-11 2016-08-31 青岛海尔股份有限公司 一种冰箱上的防耦合音响结构
CN106766528A (zh) * 2016-12-27 2017-05-31 青岛海尔股份有限公司 一种冷藏冷冻装置
CN118189521A (zh) * 2021-06-11 2024-06-14 海信视像科技股份有限公司 冰箱

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US20160117022A1 (en) * 2014-10-24 2016-04-28 Lg Electronics Inc. Touch Sensor Assembly And Refrigerator Door With Touch Sensor Assembly And Method For Manufacturing The Same

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DE102011007409A1 (de) * 2011-04-14 2012-10-18 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät
US20160117022A1 (en) * 2014-10-24 2016-04-28 Lg Electronics Inc. Touch Sensor Assembly And Refrigerator Door With Touch Sensor Assembly And Method For Manufacturing The Same

Also Published As

Publication number Publication date
CN105910376A (zh) 2016-08-31
WO2017193603A1 (zh) 2017-11-16
EP3441702A4 (de) 2019-04-17
ES2917196T3 (es) 2022-07-07
EP3441702A1 (de) 2019-02-13

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