WO2017193603A1 - Structure sonore anti-couplage pour réfrigérateur et réfrigérateur - Google Patents

Structure sonore anti-couplage pour réfrigérateur et réfrigérateur Download PDF

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Publication number
WO2017193603A1
WO2017193603A1 PCT/CN2016/113924 CN2016113924W WO2017193603A1 WO 2017193603 A1 WO2017193603 A1 WO 2017193603A1 CN 2016113924 W CN2016113924 W CN 2016113924W WO 2017193603 A1 WO2017193603 A1 WO 2017193603A1
Authority
WO
WIPO (PCT)
Prior art keywords
mounting panel
refrigerator
sound
coupling
acoustic structure
Prior art date
Application number
PCT/CN2016/113924
Other languages
English (en)
Chinese (zh)
Inventor
吴勇
党广明
刘立国
唐鹰
曾浩
王卫庆
隋承浩
Original Assignee
青岛海尔股份有限公司
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 青岛海尔股份有限公司 filed Critical 青岛海尔股份有限公司
Priority to EP16901558.3A priority Critical patent/EP3441702B1/fr
Priority to ES16901558T priority patent/ES2917196T3/es
Publication of WO2017193603A1 publication Critical patent/WO2017193603A1/fr

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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 invention relates to a refrigerator manufacturing technology, in particular to an anti-coupling sound structure of a refrigerator and a corresponding refrigerator.
  • the refrigerator as a container that keeps the food constant and cold, has become one of the essential household appliances in modern homes.
  • users are increasingly demanding the intelligentization of refrigerators.
  • One of the most important functions of the smart refrigerator is that it can perform human-computer interaction. Playing the voice using the 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 an audio body, and the sound body is closely attached to the back of the mounting panel, and is fixedly connected by a buckle.
  • Electromagnetic compatibility experiments are an experiment in which various electrical equipment (generalized also including organisms) can coexist under limited space, time, and spectral resources without causing degradation. It includes two parts: electromagnetic interference test and electromagnetic sensitivity test.
  • the electromagnetic interference test tests the strength of the device under test against the surrounding electronic equipment by measuring the size of the electromagnetic wave signal generated by the device under normal working conditions and emitted outward.
  • the electromagnetic sensitivity test measures the anti-interference ability of the device under test against electromagnetic disturbance.
  • the sound body directly contacts the mounting panel, and the sound body easily resonates with the mounting panel when in use, affecting the sound quality.
  • the acoustic structure of the existing refrigerator does not have a sound collecting structure, the sound emitted by the sound body is relatively divergent, and it is difficult to obtain a good listening effect.
  • the present invention provides an anti-coupling acoustic structure of a refrigerator, comprising: a mounting panel for connecting with a door body or a cabinet of the refrigerator, the mounting panel having a plurality of through holes; and an acoustic body disposed on the The back side of the mounting panel has a gap between the sound body and the back surface of the mounting panel.
  • the anti-coupling acoustic structure further includes a cylindrical surrounding portion that is open at both ends, and is located between the acoustic body and the mounting panel for improving the directivity of the sounding of the acoustic body.
  • the through hole is disposed at least in a region where the mounting panel is located in the enclosure.
  • the retaining portion extends from a rear surface of the mounting panel to be in contact with a front surface of the acoustic body.
  • the sound body comprises a connecting plate and a horn, the horn is fixed on the connecting plate, and the connecting plate is detachably and fixedly connected to the mounting panel.
  • the horn is disposed at an end opening of the enclosure.
  • an inner diameter of the side of the enclosure adjacent to the horn is greater than or equal to an outer diameter of the horn.
  • the outer edge of the connecting plate is provided with a buckle
  • the rear surface of the mounting panel is provided with a protruding post
  • the protruding post is provided with a screw hole
  • the connecting plate passes through the bolt passing through the buckle and the A screw hole is mated to the mounting panel.
  • the gap is 7-10 mm.
  • the mounting panel is embedded on the door or the refrigerator body, and the front surface thereof is located on the same plane as the outer surface of the refrigerator door body or the box body.
  • the present invention provides a refrigerator including a door body, a case, and an anti-coupling acoustic structure according to the present invention, the mounting panel of the anti-coupling acoustic structure being coupled to a refrigerator door or case.
  • the acoustic body and the mounting panel are spaced apart, so that electrostatic coupling is less likely to occur in the electromagnetic compatibility experiment of the refrigerator, which is beneficial for ensuring experimental precision, and also avoids the installation and installation of the audio body during use.
  • the panel resonance affects the sound quality, and the surrounding portion has the function of gathering sound, which can improve the directivity of the sound emitted by the sound body and obtain a better listening effect.
  • FIG. 1 is a schematic structural view of a refrigerator equipped with an anti-coupling acoustic structure of a refrigerator provided by the present invention
  • FIG. 2 is a front structural view of an anti-coupling acoustic structure of a refrigerator provided by the present invention
  • FIG. 3 is a schematic rear view showing the structure of an anti-coupling acoustic structure of a refrigerator provided by the present invention
  • FIG. 4 is a side structural view of an anti-coupling acoustic structure of a refrigerator provided by the present invention.
  • Figure 5 is a cross-sectional structural view of the A-A direction of Figure 3;
  • Fig. 6 is a partially enlarged schematic view showing a portion A in Fig. 5.
  • orientations described herein are all referenced to the state in which the acoustic structure is normally installed in the refrigerator.
  • the front surface of the mounting panel that is, the side surface of the mounting panel facing the outside of the refrigerator
  • the back surface of the mounting panel that is, It is the side surface of the mounting panel facing the inside of the refrigerator.
  • an anti-coupling acoustic structure 100 of a refrigerator may include a mounting panel 1 for connection with a refrigerator door body 4 or a cabinet 5, and the mounting panel 1 is provided with a plurality of through holes. 11 and the sound body 2 are disposed on the back side of the mounting panel 1 and have a gap 6 between the back surface of the mounting panel 1.
  • the through hole 11 is for increasing the permeability between the acoustic body 2 and the external environment, and facilitating the sound to be transmitted to the outside.
  • holes are provided through the front and back surfaces of the mounting panel 1.
  • the audio body 2 and the mounting panel 1 are spaced apart. Since the acoustic body 2 and the mounting panel 1 have a safe distance, an electromagnetic compatibility experiment is performed in the refrigerator, and when static electricity is applied to the front surface of the mounting panel 1, the acoustic body 2 is less likely to be electrostatically coupled, which is beneficial. In order to ensure the experimental accuracy of the electromagnetic compatibility experiment.
  • the installation of the mounting panel 1 is easy to resonate with the mounting panel 1, affecting the sound quality, and the audio body 2 and the mounting panel 1 are spaced apart. It is beneficial to suppress the resonance and improve the sound quality of the sound structure.
  • the acoustic structure is disposed on the side of the door body 4 of the refrigerator, and the height is substantially equal to the position of the head when the adult is standing.
  • the acoustic body 2 can be closer to the user's ear in most usage scenarios, which is beneficial to Get better listening.
  • the anti-coupling acoustic structure 100 of the refrigerator further includes a cylindrical enclosure 3 open at both ends between the acoustic body 2 and the mounting panel 1. The directionality of the sound of the acoustic body 2 is improved.
  • the sound body 2 for the refrigerator is usually powered by a small built-in battery, and the external power is not large.
  • the sound waves emitted by the sound body 2 are scattered and spread around, and the direction of the sound wave is deviated from the user's position (the user is in the position)
  • the azimuth refers to the height position that the user may be in when the refrigerator is normally used.
  • the sound wave that propagates upwards has to pass through the wall for several times to enter the human ear, and the attenuation is severe, which directly affects the user's listening effect.
  • the sound waves emitted by the acoustic body 2 are reflected and gathered by the inner wall of the enclosure 3, and then propagated outward through the through hole 11 of the mounting panel 1, so that the sound waves are concentrated in the position of the user, which is beneficial to enhance the user's position. Listen to the effect.
  • the through holes 11 are arranged in an array on the mounting panel 1 and cover a large area of the mounting panel 1. Due to the gathering effect of the surrounding portion 3, most of the sound waves are concentrated in the range of the surrounding portion 3. In other embodiments of the present invention, the through hole 11 may be disposed only in the surrounding portion of the mounting panel 1 The area within 3.
  • the enclosure 3 extends from the back of the mounting panel 1 to the front surface of the acoustic body 2, and the enclosure 3 extends from the back of the mounting panel 1, ie, the mounting panel 1 is an integral structure, which can facilitate the injection molding of the retaining portion 3 and the mounting panel 1, and the retaining portion 3 is in contact with the acoustic body 2, and the two are closely matched to form a sound of a single-sided opening (through hole 11 in the mounting panel 1).
  • the structure can prevent the sound waves from leaking from the matching gaps of the surrounding portion 3 and the acoustic body 2.
  • the surrounding portion 3 and the mounting panel 1 can also adopt a separate structure in other embodiments of the present invention.
  • the sound body 2 includes a connecting plate 21 and a horn 22, the horn 22 is fixed on the connecting plate 21, and the connecting plate 21 and the mounting panel 1 are detachable. Fixed connection.
  • the horn 22 is disposed at an end opening of the enclosure 3 .
  • the inner diameter of the port of the retaining portion 3 adjacent to the horn 22 is equal to the outer diameter of the horn 22.
  • the inner diameter of the port of the enclosure 3 adjacent to the horn 22 may also be larger than the outer diameter of the horn 22, ensuring that the size of the port of the enclosure 3 can cover the horn 22 Just inside.
  • the outer edge of the connecting plate 21 is provided with a buckle 23, and the rear surface of the mounting panel 1 is provided with a stud 12, and the stud 12 is provided with a screw hole, and the connecting plate is provided. 21 is coupled to the mounting panel 1 by a bolt passing through the buckle 23 and the screw hole.
  • the bolt and the screw hole is more stable and reliable, and the sound body 2 is not displaced due to the vibration of the sound during the broadcast.
  • the screw hole is disposed on the stud 12, and the acoustic body 2 can be supported by the stud 12 to separate the acoustic body 2 from the mounting panel 1, and the gap 6 is naturally formed.
  • the distance of the gap 6 is too small to prevent the electrostatic coupling effect. If the distance is too large, the overall thickness of the acoustic structure is increased, and more space for the insulation layer of the refrigerator is occupied during installation, which affects the thermal insulation performance of the refrigerator.
  • the gap 6 is preferably 7-10 mm.
  • the mounting panel 1 is embedded in the refrigerator door body 4 or the box body 5, and the front surface thereof and the refrigerator door body 4 or the box body 5 are located.
  • the outer surfaces are on the same plane.
  • a refrigerator shown in FIG. 1 comprising a door body 4, a case 5, and an anti-coupling acoustic structure 100 in accordance with any of the embodiments of the present invention.
  • the mounting panel 1 of the anti-coupling acoustic structure 100 is connected to the refrigerator door body 4 or the casing 5.
  • the mounting panel 1 can be embedded in the refrigerator door body 4 or the box body 5, and its front surface is in the same plane as the outer surface of the refrigerator door body 4 or the box body 5.
  • the invention arranges the sound body and the installation panel at intervals, and is not easy to generate electrostatic coupling when the refrigerator is subjected to electromagnetic compatibility experiment, which is beneficial to ensure the experimental precision, and also avoids the resonance of the sound body with the installation panel during use, affecting the sound quality, and the enclosure
  • the part has the function of gathering sounds, which can improve the directivity of the sound emitted by the sound body and obtain a better listening effect.

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  • 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)

Abstract

La présente invention concerne une structure sonore anti-couplage (100) pour un réfrigérateur et un réfrigérateur. Ladite structure sonore anti-couplage (100) comporte: un panneau de montage (1) destiné à être relié à un corps de porte de réfrigérateur (4) ou un corps de réfrigérateur (5), le panneau de montage (1) étant doté de plusieurs trous traversants (11); et un corps sonore (2) disposé sur un côté de la face arrière du panneau de montage (1) et séparé, par un espace (6), de la face arrière du panneau de montage (1), l'espace (6) étant doté à l'intérieur d'une partie de confinement (3). La structure sonore anti-couplage (100) sépare mutuellement le corps sonore (2) et le panneau de montage (1), de sorte que le réfrigérateur est moins susceptible à un couplage électrostatique lors d'un test de compatibilité électromagnétique, permettant d'assurer une précision de test et d'éviter l'impact sur la qualité du son dû à la résonance du corps sonore (2) lors de l'utilisation avec le panneau de montage (1); en outre, l'effet de convergence du son de la partie de confinement (3) peut améliorer la directivité du son généré par le corps sonore (2), permettant d'obtenir un meilleur effet d'écoute.
PCT/CN2016/113924 2016-05-11 2016-12-30 Structure sonore anti-couplage pour réfrigérateur et réfrigérateur WO2017193603A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16901558.3A EP3441702B1 (fr) 2016-05-11 2016-12-30 Structure sonore pour un réfrigérateur et un réfrigérateur la comprenant
ES16901558T ES2917196T3 (es) 2016-05-11 2016-12-30 Estructura de sonido para un refrigerador y un refrigerador que la comprende

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610309324.2 2016-05-11
CN201610309324.2A CN105910376A (zh) 2016-05-11 2016-05-11 一种冰箱上的防耦合音响结构

Publications (1)

Publication Number Publication Date
WO2017193603A1 true WO2017193603A1 (fr) 2017-11-16

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PCT/CN2016/113924 WO2017193603A1 (fr) 2016-05-11 2016-12-30 Structure sonore anti-couplage pour réfrigérateur et réfrigérateur

Country Status (4)

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

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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JP2002031471A (ja) * 2000-07-19 2002-01-31 Matsushita Refrig Co Ltd 冷蔵庫の扉
JP2004085071A (ja) * 2002-08-27 2004-03-18 Matsushita Refrig Co Ltd 冷蔵庫
KR20070033131A (ko) * 2005-09-20 2007-03-26 엘지전자 주식회사 냉장고용 외장재의 음향유통부재
CN101622884A (zh) * 2007-01-04 2010-01-06 惠而浦公司 作为适配器或器具的一部分的声室
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

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DE102004060944B4 (de) * 2003-12-19 2011-05-19 LG Electronics Inc., Kangnam-gu Anzeigeeinheit für einen Kühlschrank
KR20080057639A (ko) * 2006-12-20 2008-06-25 엘지전자 주식회사 냉장고의 음향장치
CN201262504Y (zh) * 2008-09-04 2009-06-24 伊莱克斯(中国)电器有限公司 一种表面发音的冰箱
CN201898589U (zh) * 2010-11-29 2011-07-13 天津光电通信技术有限公司 一种扬声器的固定隔音盒
DE102011007409A1 (de) * 2011-04-14 2012-10-18 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät
CN104115509B (zh) * 2012-01-09 2018-09-04 思睿逻辑国际半导体有限公司 集成的扬声器组件
KR101677334B1 (ko) * 2014-10-24 2016-11-17 엘지전자 주식회사 냉장고 도어

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Publication number Priority date Publication date Assignee Title
JP2002031471A (ja) * 2000-07-19 2002-01-31 Matsushita Refrig Co Ltd 冷蔵庫の扉
JP2004085071A (ja) * 2002-08-27 2004-03-18 Matsushita Refrig Co Ltd 冷蔵庫
KR20070033131A (ko) * 2005-09-20 2007-03-26 엘지전자 주식회사 냉장고용 외장재의 음향유통부재
CN101622884A (zh) * 2007-01-04 2010-01-06 惠而浦公司 作为适配器或器具的一部分的声室
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

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Title
See also references of EP3441702A4 *

Also Published As

Publication number Publication date
EP3441702A4 (fr) 2019-04-17
EP3441702B1 (fr) 2022-05-04
ES2917196T3 (es) 2022-07-07
CN105910376A (zh) 2016-08-31
EP3441702A1 (fr) 2019-02-13

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