EP3535533A1 - Appareil frigorifique comportant un capteur de bruit - Google Patents

Appareil frigorifique comportant un capteur de bruit

Info

Publication number
EP3535533A1
EP3535533A1 EP17791029.6A EP17791029A EP3535533A1 EP 3535533 A1 EP3535533 A1 EP 3535533A1 EP 17791029 A EP17791029 A EP 17791029A EP 3535533 A1 EP3535533 A1 EP 3535533A1
Authority
EP
European Patent Office
Prior art keywords
noise
operating power
controller
electrical equipment
appliance
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.)
Granted
Application number
EP17791029.6A
Other languages
German (de)
English (en)
Other versions
EP3535533B1 (fr
Inventor
Horst Drotleff
Daniel Micko
Adolf Feinauer
Matthias Mrzyglod
Niels Liengaard
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 PL17791029T priority Critical patent/PL3535533T3/pl
Publication of EP3535533A1 publication Critical patent/EP3535533A1/fr
Application granted granted Critical
Publication of EP3535533B1 publication Critical patent/EP3535533B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor

Definitions

  • the present invention relates to a refrigeration device with a noise sensor, in particular a refrigeration device with a noise sensor for adaptive noise reduction.
  • the refrigerant cycle includes, among others, a refrigerant compressor for compressing refrigerant and a refrigerant condenser for liquefying refrigerant.
  • the refrigeration device has a fan for supplying air to the refrigerant condenser.
  • electrical equipment parts of the refrigerator such. the refrigerant compressor of the refrigerant circuit and / or the fan, noise.
  • the emitted noise may have an intensity that may be perceived by a person in the vicinity of the refrigerator as unpleasant or disturbing.
  • WO 2012/130743 A2 discloses a refrigeration device with an assembly that influences the noise emission at different operating parameters and a control unit for varying the operating parameters.
  • KR 20010081331 a control method for quiet operation of a refrigerator is disclosed. It is the object of the present invention to provide a refrigeration device in which an effective noise reduction can be performed.
  • the object according to the invention is achieved by a refrigeration device having an electrical appliance part which emits noises during operation, a noise sensor for detecting an intensity of the emitted noises of the electrical appliance part and a controller for operating the electrical appliance part in a normal operating power range the controller is configured to change an operating power of the electrical equipment within the normal operating power range and to determine a minimum of the noise intensity detected by the noise sensor and to determine a noise reduced operating power to operate the electrical equipment with the noise reduced operating power.
  • the controller operates the electrical equipment portion within its normal operating power range to ensure advantageous operation of the electrical equipment.
  • the normal operating power range is the power range in which the electrical equipment part is normally operated to ensure the advantageous and efficient functioning of the electrical equipment within the refrigeration appliance.
  • the controller changes an operating power of the electrical equipment within the normal operating power range to determine a minimum of the intensity of the electrical equipment noise detected by the noise sensor.
  • the minimum of the noise intensity is in turn associated with a specific noise-reduced operating performance of the electrical equipment part, wherein the noise-reduced operating power is also determined by the controller.
  • the noise-reduced operating performance In an ensuing operation of the electrical equipment part with the noise-reduced operating performance, an effective reduction of the intensity of noise is achieved. Further, the noise reduced operating power is within the normal operating power range of the electrical equipment. As a result, the noise-reduced operating performance of a variety of advantageous Operating services selected within the normal operating performance range. As a result, the noise-reduced operating performance ensures both a particularly advantageous and efficient operating performance and a noise-reduced operation of the electrical device part. Through a continuous review, or redetermination, the noise-reduced operating performance, a low-noise operation of the refrigeration device can be ensured even for a long period of time with the user of the refrigerator.
  • the refrigeration device has a plurality of noise sensors, which are designed to detect noises from different electrical appliance parts.
  • the controller can then determine a separate noise-reduced operating performance for each different electrical device part and operate the respective electrical device part with the separate noise-reduced operating power.
  • 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 in particular serves to store food and / or drinks at specific temperatures, such as, for example, a refrigerator, a freezer, a refrigerated freezer combination, a freezer or a wine fridge.
  • the electrical equipment part has a maximum operating power within the normal operating power range
  • the controller is configured to determine a plurality of minima of the noise intensity detected by the noise sensor within the normal operating power range, and the controller is configured to reduce the noise-reduced operating power on the basis of the minimum, which corresponds to an operating power of the electrical equipment part, which is within a tolerance range of the maximum operating performance.
  • the controller is at the determination the noise-reduced operating power, a plurality of minima of the detected noise intensity available, so that the controller can determine various noise-reduced operating performance within the normal operating power range.
  • the operation of the electrical equipment part can be optimized not only in terms of noise minimization, but the electrical equipment part can also be operated with the maximum operating performance.
  • the normal operating power range has a lower operating power point and an upper operating power point limiting the normal operating power range
  • the controller is configured to change the operating power of the electrical equipment from the lower operating power point to the upper operating power point to determine a minimum of the detected noise intensity
  • the technical advantage is achieved, for example, that a continuous change in the operating performance of the electrical equipment from the lower operating point to the upper operating point ensures that all operating performance within the normal operating range of the electrical equipment is checked by the controller for the presence of a noise minimum. This will ensure that all relevant operating performances within the normal operating performance range are taken into account when determining the noise-reduced operating performance.
  • the noise-reduced operating power corresponds to the operating power of the electrical appliance part, in which the detected intensity of the noise falls below a predetermined intensity threshold value, wherein the refrigeration appliance in particular has a manual operating device for changing the intensity threshold value by a user of the refrigeration appliance.
  • the controller can determine the noise-reduced operating performance particularly advantageous in which the detected noise intensities of all operating powers are compared within the normal operating power range with the predetermined intensity threshold.
  • the user of the refrigeration device has the option of manually adjusting the intensity threshold value.
  • the controller is configured to change the operating power of the electrical equipment within the normal operating power range and to determine a minimum of the detected noise intensity and to determine the noise reduced operating power during a first time period, and the controller is configured during a second time period subsequent to the first time period to operate the electrical appliance part with the noise-reduced operating power.
  • the technical advantage is achieved, for example, that the determination of the noise-reduced operating power and the operation of the electrical device part with the noise-reduced operating power can take place at different time intervals.
  • the controller may determine the reduced-noise operating performance during the bedtime of the user of the refrigerator, as the user is likely not to be near the refrigerator during this time, and thus will not be affected by the noise generated during the change in performance.
  • the controller is designed to determine the noise-reduced operating performance after the refrigeration device has been connected to an electrical power supply, and / or the controller is designed to determine the noise-reduced operating power after periodically repeating operating time intervals.
  • the technical advantage is achieved, for example, that after connection of the refrigerator to the electrical power supply can be ensured that detected during transport or a long shutdown of the refrigerator changes occurring noise-reduced operating performance by the controller and the noise-reduced operating performance can be determined again.
  • the determination of noise-reduced operating performance after periodically repeating Operating time intervals ensure that changes in the noise-reduced operating power during operation of the refrigeration appliance can be effectively detected by the controller, and an updated noise-reduced operating performance can be effectively determined.
  • the controller is configured to repeat the first time segment if the controller has not determined a changed noise-reduced operating performance during the first time period, and the controller is configured to increase the duration of the periodically repeating operating time intervals if after the two consecutive first periods no changed noise-reduced operating performance was determined by the controller.
  • the technical advantage is achieved, for example, that for a reduced operating power that does not change during the first time period, increasing the duration of the periodically repeating operating time intervals makes it possible to determine the noise-reduced operating power over relatively long periods of time.
  • the refrigeration device comprises a refrigerant circuit for cooling a cooling region of the refrigeration device, wherein the refrigerant circuit comprises the electrical appliance part, and wherein the electrical appliance part in particular comprises a refrigerant compressor or a fan for cooling a refrigerant condenser of the refrigerant circuit.
  • the technical advantage is achieved that a particularly effective noise reduction of particularly loud device parts, such as. the refrigerant compressor or the fan, can be ensured.
  • the operating performance of the refrigerant compressor or fan corresponds to an engine speed of an engine of the refrigerant compressor or fan
  • the controller is configured to change the engine speed of the refrigerant compressor or the fan within a normal engine speed range and a minimum of the detected noise intensity determine and determine a noise reduced engine speed to operate the refrigerant compressor or fan at the low noise engine speed.
  • the technical advantage is achieved that the control of the engine speed of the fan or the refrigerant compressor ensure a particularly effective and low-noise operation of the refrigerator.
  • the electrical device part comprises a movable flap for closing an air channel of the refrigeration device or a valve for closing a fluid-carrying line within the refrigerator.
  • the technical advantage is achieved that a particularly effective noise reduction of the movable flap, or the valve can be ensured.
  • the noise sensor comprises an acoustic sensor for detecting noises that are emitted by the electrical appliance part, and / or a vibration sensor for detecting vibrations that are emitted by the electrical appliance part, and the sound sensor comprises in particular one Piezoschwingungsauf scenery.
  • an acoustic sensor enables a particularly effective detection of noises, which are transmitted through the air
  • a vibration sensor enables a particularly effective detection of vibrations that are emitted by the electrical equipment part.
  • the noise sensor is positioned on an inner surface or on an outer surface of the refrigeration device, and / or the noise sensor is positioned on the electrical appliance part.
  • the technical advantage is achieved that a direct arrangement of the noise sensor on the electrical device part allows a particularly effective noise detection by the noise sensor. Is the noise sensor on? positioned the inner or outer surface of the refrigerator, an effective noise detection by the transmission of noise through the air, or by the transmission of vibrations by the refrigerator can be done.
  • the noise sensor is positioned on an inner surface of the refrigeration device, and the noise sensor comprises a temperature detection element for detecting a temperature within a cooling region of the refrigeration device.
  • the technical advantage is achieved, for example, that the noise sensor is designed as a dual sensor, which in addition to the noise detection also performs a temperature detection in the cooling area. As a result, space can be saved in the refrigerator, since only a single sensor for two functions must be used.
  • the controller has a memory for storing the noise-reduced operating power, wherein the controller is designed to operate the electrical appliance part with the stored noise-reduced operating power.
  • the controller can advantageously store the specific noise-reduced operating power in the memory in order to operate the electrical device part with the stored noise-reduced operating power at a later time.
  • the object according to the invention is achieved by a method for noise reduction in a refrigeration appliance, wherein the refrigeration appliance has an electrical appliance part which emits noises during operation, a noise sensor for detecting an intensity of emitted noises of the electrical appliance part and a controller for operating the appliance electrically in a normal operating power range, the method comprising the steps of changing an operating power of the electrical equipment within the normal operating power range by the controller to determine a minimum of the noise intensity detected by the noise sensor; noise-reduced operating performance based on the determined minimum of the noise intensity by the controller, and operating the electrical appliance part with the noise-reduced operating power by the controller.
  • the technical advantage is achieved that a particularly effective noise reduction of the electrical equipment part is ensured.
  • changing the operating power of the electrical equipment part and determining the noise-reduced operating power during a first time period is performed by the controller, and operating the electrical appliance part with the noise-reduced operating power by the controller during the first time period subsequent second period of time performed.
  • Fig. 1 is a schematic representation of a refrigerator
  • FIG. 2 shows a schematic illustration of a refrigeration device with noise sensors
  • FIG. 3 shows a schematic representation of a determination of a noise-reduced operating power of an electrical device part within a refrigeration device
  • Fig. 4 is a schematic representation of a method for noise reduction in a refrigeration device.
  • Fig. 1 shows a refrigerator representative of a general refrigeration device 100 with a refrigerator door 101 and with a device outer wall 103.
  • the refrigerator door 101 is formed to complete a cooling area 105 of the refrigerator 100.
  • the refrigeration device 100 includes one or more refrigerant circuits, each with a refrigerant evaporator, refrigerant compressor, refrigerant condenser and throttle body.
  • the refrigerant evaporator is a heat exchanger in which, after expansion, the liquid refrigerant is absorbed by heat from the medium to be cooled, e.g. Air, is evaporated.
  • the refrigerant compressor is a mechanically operated device part, which draws refrigerant vapor from the refrigerant evaporator and ejects at a higher pressure to the refrigerant condenser.
  • the refrigerant condenser is a heat exchanger in which, after compression, the vaporized refrigerant is released by heat release to an external cooling medium, e.g. Air, is liquefied.
  • the refrigeration device 100 comprises a fan which is designed to supply an airflow to the refrigerant condenser and to the refrigerant evaporator. By the air flow, there is an effective heat supply to the refrigerant evaporator.
  • 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 refrigerant circuit which absorbs heat at low temperatures and low pressure of the fluid and releases heat at higher temperature and higher pressure of the fluid, usually including changes in state of the fluid.
  • Fig. 2 shows a schematic representation of a refrigerator with noise sensors.
  • a first electrical appliance part 107-1 and a second electric appliance part 107-2 are arranged.
  • the refrigerator 100 further includes a first noise sensor 109-1 for detecting an intensity of emitted noises of the first electrical equipment part 107-1 and a second noise sensor 109-2 for detecting an intensity of emitted noises of the second electrical equipment part 107-2.
  • a controller 1 1 1 is arranged, which with the first electrical device part 107-1 through a first device line 1 13, with the second electrical device part 107-2 through a second device line 1 15, with the first sound sensor 109- 1 is connected by a first sensor line 1 17 and the second sound sensor 109-2 by a second sensor line 1 19.
  • the refrigeration device 100 comprises a multiplicity of electrical appliance parts 107-1, 107-2, which are controlled by an electric motor, for example, and comprise movable elements which generate noises, which in turn can be perceived as uncomfortable by a user of the refrigeration device 100.
  • the electrical equipment parts 107-1, 107-2 may comprise a refrigerant compressor of a refrigerant circuit of the refrigeration device 100, a fan for ventilating a refrigerant condenser of the refrigerant circuit, or flaps or valves of the refrigeration device 100.
  • Acoustic insulation of the electrical equipment parts 107-1, 107-2 used in conventional refrigerators 100 can often be made for functional reasons of the refrigeration appliance 100, e.g. Impairment of the cooling capacity, and / or space and cost reasons can not be sufficiently realized.
  • a structural resonance of the refrigeration device 100 is caused by the movement of the electrical device parts 107-1, 107-2, the sound radiation is particularly high.
  • Structural resonances are dependent on the dimensions and shape of the refrigeration device 100, the manner of attachment of the electrical equipment parts 107-1, 107-2, as well as the materials used. Even small deviations in the attachment, e.g. Sequence of screwing or slight tilting of a component on the refrigeration device 100, can have a great influence on the frequency range and the intensity of the excitation of the structural resonances.
  • the scattering of the configuration of the electrical device parts 107-1, 107-2 can be very large, which often stimulates device structure resonance, which can often lead to a high scattering of the emitted noise of the refrigeration devices 100.
  • the noise sensors 109-1, 109-2 may be disposed directly on, near or far from the electrical equipment parts 107-1, 107-2.
  • the noise sensors 109-1, 109-2 may be located inside and outside the refrigeration device 100. Ordinary positions are located on an inner surface of the refrigerator 100 or on an outer surface of the refrigerator 100.
  • the positioning of the noise sensors 109-1, 109-2 on the device wall 103 of the refrigerator 100 is advantageous in that the vibration of the surfaces identified can be used and thus simple, cost-effective sensors, such as piezoelectric vibrators, can be used.
  • noise sensors 109-1, 109-2 e.g. those measuring temperature and airborne sound simultaneously.
  • multiple functions of electrical equipment parts 107-1, 107-2 can be controlled simultaneously.
  • the noise sensors 109-1, 109-2 must be positioned at the positions that allow the measurement signal of the noise sensors 109-1, 109-2 to close the radiated noise of the electrical equipment parts 107-1, 107-2. This must be ensured for each type of refrigerator 100 in a refrigeration unit in terms of dimensions, equipment and materials.
  • the electrical equipment parts 107-1, 107-2 are individually actuated by the controller 11 1 1 and within a normal operating power range of the electrical equipment parts 107-1, 107- 2, the operating power of the electrical equipment parts 107-1, 107-2 is changed, such as the speed of a fan.
  • the controller 11 1 determines a minimum of the noise intensity detected by the sound sensor 109-1, 109-2 and a noise-reduced operating power of the electrical equipment parts 107-1, 107- assigned to the minimum. 2 within the normal operating power range.
  • the determination of the noise reduced operating power may be performed during a first period of time.
  • the electrical equipment parts 107-1, 107-2 can be advantageously operated during a second time period subsequent to the first time period with the noise-reduced operating power, and the noise emission of the electrical equipment parts 107-1 , 107-2 are advantageously reduced.
  • the first period for determining the noise-reduced operating power can be performed by the controller 1 1 1 regularly during operation of the refrigerator 100 at the user, for example, to compensate for changes, for example by the transport of the refrigerator 100. If after two consecutive first Time periods no change occurs, the time intervals between the test intervals can be increased.
  • refrigerators 100 can be operated quieter and by reducing the noise of the electrical equipment parts 107-1, 107-2, the refrigerators 100 are better accepted by the user.
  • the refrigerators 100 can be produced more economically, because additional noise-reducing measures omitted.
  • the refrigerators 100 can be made more advantageous, since additive noise reduction measures omitted.
  • the refrigerators 100 operate at the acoustic optimum, since a continuous and regular optimization of the noise intensity is made.
  • FIG. 3 shows a schematic representation of a determination of a noise-reduced operating power of an electrical device part within a refrigeration device.
  • FIG. 3 shows a chronological illustration of noise intensities of electrical device parts 107 - 1, 107 - 2, which are plotted along the ordinate axis 121 as a function of the operating power, which is indicated along the abscissa axis 123.
  • the first curve 125 shows the intensity of noise of a first fan of the refrigeration device 100 in dependence on the engine speed of the fan.
  • the second curve 127 shows the intensity of noise of a second fan of the refrigeration device 100 as a function of the engine speed of the second fan.
  • the third curve 129 shows the intensity of noise of a third fan of the refrigeration device 100 as a function of the engine speed of the third fan.
  • Fig. 3 it is illustrated that small fluctuations in the engine speed of various electrical equipment parts 107-1, 107-2 can cause very different intensities of noise. Due to slightly different geometries of the first, second and third fan, which come from different production batches, results for the first fan, the second fan and the third fan also a different course of the noise intensities depending on the engine speed of the fan.
  • the operating power, in this case the engine speed, of the electrical equipment parts 107-1, 107-2, in this case the fans of the refrigeration appliance 100 was within the normal operating power range 131 of the electrical equipment parts 107-1, 107 -2 changed.
  • the normal operating power range 131 corresponds to an engine speed range between 1500 rpm and 1650 rpm, and is sufficient to ensure efficient operation of the fans.
  • the normal operating power region 131 has a lower operating power point 133 and an upper operating power point 135.
  • the lower and upper operating power points 133, 135 limit the normal operating power range 131.
  • the controller 1 1 1 determines a minimum 137 of the noise intensity detected by the noise sensors 109 - 1, 109 - 2 and determines a noise - reduced operating power 139, which is assigned to the minimum 137.
  • a noise - reduced operating power 139 which is assigned to the minimum 137.
  • the controller 1 1 1 can ensure the operation of the electrical equipment parts 107-1, 107-2 with the noise-reduced operating power 139 during a second time period adjoining the first time period.
  • the method 200 comprises the following method steps, changing 201 an operating power of the electrical equipment part 107-1, 107-2 within the normal operating power range 131 by the controller 1 1 1, by a minimum 137 of the detected by the sound sensor 109-1, 109-2 Determining noise intensity, determining 203 the noise-reduced operating power 139 based on the determined minimum 137 by the controller 1 1 1, and operations 205 of the electrical equipment part 107-1, 107-2 with the noise-reduced operating power 139 by the controller 1 1 1. All of the features explained and shown in connection with individual embodiments of the invention may be provided in different combinations in the article according to the invention in order to simultaneously realize their advantageous effects.

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un appareil frigorifique (100) comportant une partie d'appareil électrique (107-1, 107-2) qui émet des bruits en fonctionnement, un capteur de bruit (109-1, 109-2) servant à détecter une intensité des bruits émis par la partie d'appareil électrique (107-1, 107-2) et une commande (111) servant à faire fonctionner la partie d'appareil électrique (107-1, 107-2) dans une plage de puissance de fonctionnement normale (131). La commande (111) est conçue pour modifier une puissance de fonctionnement de la partie d'appareil électrique (107-1, 107-2) dans la plage de puissance de fonctionnement normale (131), pour déterminer un minimum de l'intensité sonore détectée par le capteur de bruit (109-1, 109-2) et pour déterminer une puissance de fonctionnement à bruit réduit (139) afin de faire fonctionner la partie d'appareil électrique (107-1, 107-2) avec la puissance de fonctionnement à bruit réduit (139).
EP17791029.6A 2016-11-04 2017-10-20 Appareil frigorifique comportant un capteur de bruit Active EP3535533B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17791029T PL3535533T3 (pl) 2016-11-04 2017-10-20 Urządzenie chłodnicze z czujnikiem hałasu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016221616.3A DE102016221616A1 (de) 2016-11-04 2016-11-04 Kältegerät mit einem Geräuschsensor
PCT/EP2017/076817 WO2018082937A1 (fr) 2016-11-04 2017-10-20 Appareil frigorifique comportant un capteur de bruit

Publications (2)

Publication Number Publication Date
EP3535533A1 true EP3535533A1 (fr) 2019-09-11
EP3535533B1 EP3535533B1 (fr) 2021-06-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17791029.6A Active EP3535533B1 (fr) 2016-11-04 2017-10-20 Appareil frigorifique comportant un capteur de bruit

Country Status (6)

Country Link
US (1) US11067333B2 (fr)
EP (1) EP3535533B1 (fr)
CN (1) CN109891172B (fr)
DE (1) DE102016221616A1 (fr)
PL (1) PL3535533T3 (fr)
WO (1) WO2018082937A1 (fr)

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Publication number Priority date Publication date Assignee Title
US10941981B2 (en) * 2019-05-02 2021-03-09 Haier Us Appliance Solutions, Inc. Refrigeration appliances and methods of minimizing noise impact
CN114003069B (zh) * 2021-12-30 2022-04-01 深圳市华图测控系统有限公司 基于物联网的温控设备降噪方法、装置以及系统
DE102022207931A1 (de) 2022-08-01 2024-02-01 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben einer Aktuatoreinrichtung mit einer elektrischen Maschine, Vorrichtung zum Betreiben einer Aktuatoreinrichtung mit einer elektrischen Maschine, Aktuatoreinrichtung mit einer elektrischen Maschine
WO2024050610A1 (fr) 2022-09-06 2024-03-14 Nidec Global Appliance Brasil Ltda. Procédé et système pour commander la vibration d'un compresseur à capacité variable d'un système de réfrigération
CN116399077B (zh) * 2023-04-07 2024-09-27 海信冰箱有限公司 一种冰箱及其降噪控制方法

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US5203178A (en) * 1990-10-30 1993-04-20 Norm Pacific Automation Corp. Noise control of air conditioner
US5582013A (en) * 1995-05-09 1996-12-10 Regents Of The University Of California Electromechanical cryocooler
KR100609849B1 (ko) 2000-02-12 2006-08-09 삼성전자주식회사 냉장고 및 그 제어방법
WO2005100883A1 (fr) * 2004-04-12 2005-10-27 York International Corporation Systeme de commande de la reduction du son d'un refroidisseur et procede
KR100677879B1 (ko) 2005-05-30 2007-02-05 삼성전자주식회사 냉장고의 소음 저감방법
KR20110014857A (ko) * 2009-08-06 2011-02-14 엘지전자 주식회사 냉장고 소음에 대한 소음불만율 산출방법
KR101663835B1 (ko) 2010-08-06 2016-10-14 엘지전자 주식회사 냉장고의 운전 제어 방법
DE102011006258A1 (de) 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
US9311837B2 (en) * 2013-03-14 2016-04-12 Martigold Enterprises, Llc Methods and apparatus for message playback
KR20150098085A (ko) * 2014-02-19 2015-08-27 주식회사 대유위니아 냉장고 운전 제어 방법

Also Published As

Publication number Publication date
WO2018082937A1 (fr) 2018-05-11
CN109891172A (zh) 2019-06-14
US11067333B2 (en) 2021-07-20
DE102016221616A1 (de) 2018-05-09
CN109891172B (zh) 2021-04-13
EP3535533B1 (fr) 2021-06-09
PL3535533T3 (pl) 2021-12-13
US20190257575A1 (en) 2019-08-22

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