EP2162690B1 - Vakuumfrischhaltesystem - Google Patents

Vakuumfrischhaltesystem Download PDF

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Publication number
EP2162690B1
EP2162690B1 EP08761155.4A EP08761155A EP2162690B1 EP 2162690 B1 EP2162690 B1 EP 2162690B1 EP 08761155 A EP08761155 A EP 08761155A EP 2162690 B1 EP2162690 B1 EP 2162690B1
Authority
EP
European Patent Office
Prior art keywords
vacuum
sealing system
suction tube
vacuum sealing
compartment
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
EP08761155.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2162690A1 (de
Inventor
Junhong Feng
Zhong Quan Suan
Qiwu Zhu
Weizhong Zhu
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
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2162690A1 publication Critical patent/EP2162690A1/de
Application granted granted Critical
Publication of EP2162690B1 publication Critical patent/EP2162690B1/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
    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment

Definitions

  • This invention relates to a vacuum system and is primarily concerned with a vacuum refresh system having control methods for home appliances, especially electric refrigerators.
  • foods can be stored at low temperatures for cold storage or freezing for a relatively long period of time.
  • the length of the shelf life of the food is not only determined by the temperature and humidity, but is also influenced by factors such as oxygen content and airborne bacteria in the environment of the food storage.
  • a Vakuumfrischhaltesystem according to the preamble of claim 1 is made CN 2901196 Y known.
  • the object of this invention is to provide an improved vacuum refueling system.
  • This evacuation system will be able to automatically realize the vacuum seal for the can after evacuation.
  • the described switching device is a check valve.
  • the described vacuum gauge is a vacuum sensor connected to the suction tube.
  • the described control device comprises a control board and a control panel, the described control panel comprising a push-button start and a push-button warning.
  • the attachment of a switching device allows the outside air to be directed into the exhaust duct after evacuation of the vacuum system. Due to the pressure difference between the suction pipe and the evacuated can, the automatic sealing of the can is realized and prevents leakage caused by the vacuum level of the can.
  • the vacuum refueling system of one embodiment of this invention includes a can 20, one end of the can 20 having a venting device 21 and the other end being provided with a suction device 22.
  • the ventilation device 21 and the suction device 22 may be non-return valves.
  • the can 20 is connected to this exhaust duct 24 via a connection device 23, which is mounted on one end of the can 20 and on one end of the suction duct 24, respectively.
  • the suction pipe 24 may be a copper pipe or a plastic pipe. Its nature must give the pipeline a very good airtightness.
  • the other end of the exhaust duct 24 is connected to the evacuation device 26, for example a vacuum pump. To avoid the noise during operation of the device for To reduce evacuation 26, a noise abatement device 27 is mounted on the vacuum pump.
  • a four-way connector 31 is attached. This four-way connector is connected to the switching device 25 and the vacuum gauge 29. In this procedure, the switching device 25 is a check valve.
  • the vacuum gauge 29 is a vacuum sensor that can measure changes in the vacuum level in the suction tube 24.
  • the vacuum refresh system also has a control device.
  • This control device includes a control board 28 and a control panel 32.
  • the control board 28 is connected to the switching device 25, the evacuation device 26, the vacuum gauge 29, and the control board 32, receives feedback signals from these devices, and outputs corresponding commands.
  • On the control panel 32 a push-button start 32 and a push-button warning 34 are attached.
  • the role of the push button Start 32 is to start the evacuation device.
  • the role of the warning button 34 is to issue a warning signal when the vacuum holding system is in an abnormal operating condition.
  • the warning function of the vacuum keep-fresh system is described in detail and, therefore, will not be described again here.
  • the steps of the vacuum control system control method of this invention are as follows: First, the user on the switchboard 32 depresses the start button 32 and starts the process of evacuation.
  • the control board 28 judges the position of the switching device 25. When the switching device 25 is in the open position, the control board 28 gives the command to switch the switching device to the closed position. Subsequently, the control board 28 gives the command to start the device for evacuation 26, which begins via the suction pipe 24 with the evacuation of the can 20.
  • the vacuum gauge 29 continuously measures the vacuum level in the exhaust duct 24 and reports the measured values to the control board 28.
  • the control board 28 issues a command to control the operation of the apparatus Evacuation 26 is maintained. After a certain time, when the vacuum level in the exhaust duct 24 has reached the set value set previously, the control board 28 issues a command that stops the operation of the evacuation device 26. Finally, after stopping the operation of the evacuation device 26, the control board 28 issues a command which switches the switching device 25 from the closed position to the open position and introduces the outside air into the exhaust pipe 24 at a certain flow rate. This completes the process of evacuation.
  • the box 20 comprises a lower part 204 and a lid 202, with which the lower part 204 is closed.
  • the ventilation device 21 and the suction device 22 are respectively attached to the two ends of the lid 202.
  • the connecting device 23 on the cover 202 is connected to the suction device 22.
  • the suction device 22 is structurally a check valve.
  • suction device 22 The special construction of the suction device 22 is described in another Chinese patent application for a Invention of this Applicant entitled "Vacuum fresh food can and this vacuum fresh food can using household electrical appliances" described in detail, is therefore omitted at this point of a repeated description. Since the vacuum seal point of the can 20 is the location of the aspirator 22 on the lid 202, even if there is a leak or slack at the location of the connector 23, the air may only enter the connector 23 and the aspiration tubing 24 but not in the can 20. The vacuum seal of the can 20 is not affected by the occurrence of leaks on the connector 23 and on the suction pipe 24.
  • the vacuum refreshment system of this invention may be used individually, may also be mounted in household electrical appliances and used as an accessory. In particular, it can be installed in household electric refrigerators or in freezers.
  • the can 20 can be used in the cold storage room of the refrigerator.
  • the suction pipe 24 can be sunk in the foam layer of the box of the refrigerator.
  • the connecting piece 23 connected to the suction pipe 24 can be mounted on the inner wall of the cold storage room.
  • the control panel 32 may be mounted on the door of the refrigerator or the inner wall of the cold storage room to allow easy operation by the user.

Landscapes

  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Vacuum Packaging (AREA)
EP08761155.4A 2007-06-28 2008-06-18 Vakuumfrischhaltesystem Active EP2162690B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2007100247574A CN101331970B (zh) 2007-06-28 2007-06-28 真空保鲜***及其控制方法
PCT/EP2008/057701 WO2009000724A1 (de) 2007-06-28 2008-06-18 Vakuumfrischhaltesystem mit steuerungsverfahren

Publications (2)

Publication Number Publication Date
EP2162690A1 EP2162690A1 (de) 2010-03-17
EP2162690B1 true EP2162690B1 (de) 2018-08-08

Family

ID=39884657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08761155.4A Active EP2162690B1 (de) 2007-06-28 2008-06-18 Vakuumfrischhaltesystem

Country Status (4)

Country Link
EP (1) EP2162690B1 (zh)
CN (2) CN101331970B (zh)
RU (1) RU2470239C2 (zh)
WO (1) WO2009000724A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4148351A4 (en) * 2020-05-08 2024-05-15 Hisense Refrigerator Co., Ltd. REFRIGERATOR

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954642B (zh) * 2011-08-24 2016-06-15 博西华电器（江苏）有限公司 冰箱
CN103017441B (zh) * 2011-09-28 2015-02-04 海尔集团技术研发中心 具有抽真空装置的冰箱及其控制方法
CN203286843U (zh) 2012-12-01 2013-11-13 博西华电器（江苏）有限公司 冰箱
CN103851850B (zh) 2012-12-06 2017-08-11 博西华电器（江苏）有限公司 冰箱及其工作方法
CN104616800B (zh) * 2015-02-03 2016-09-14 贵州星天电线电缆有限公司 一种加热型扩径光纤复合铝合金架空导线
CN109984617B (zh) * 2018-01-02 2021-09-21 佛山市顺德区美的电热电器制造有限公司 烹饪器具及其控制方法
CN114061222A (zh) * 2020-08-04 2022-02-18 海信容声(广东)冷柜有限公司 一种冷柜

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1033739B (it) * 1975-07-30 1979-08-10 Saleri S Contenitore a tenuta stagna per la conservazione di vivande sottovuoto ad uso domestico munito di mezzi per la creazione del vuoto interno
IT1230958B (it) * 1989-06-30 1991-11-08 Eurodomestici Ind Riunite Frigorifero, congelatore o similare con contenitore amovibile in cui e' realizzato il vuoto.
JPH03175251A (ja) * 1989-12-01 1991-07-30 Makoto Watanabe 電気冷蔵庫
JPH04131674A (ja) * 1990-09-21 1992-05-06 Hitachi Ltd 真空冷凍冷蔵庫
US5946919A (en) * 1997-05-02 1999-09-07 Sharper Image Corp. Food conservator system
DE19858254A1 (de) * 1998-12-17 2000-06-21 Oezguer Oeztas Kälte-Vakuum-Frischhalte-System
RU2296277C2 (ru) * 2003-02-20 2007-03-27 Мария Емельяновна Лищишин Вакуумный комнатный морозильник
CN2624137Y (zh) * 2003-05-14 2004-07-07 河南新飞电器有限公司 真空保鲜冰箱
DE202004011287U1 (de) * 2004-07-19 2004-09-16 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Vakuumpumpe
ITTO20040623A1 (it) * 2004-09-16 2004-12-16 Merloni Elettrodomestici Spa Apparato di refrigerazione e per la creazione combinata del vuoto
CN2901196Y (zh) * 2006-05-19 2007-05-16 博西华电器（江苏）有限公司 具有真空保鲜***的电冰箱

Non-Patent Citations (1)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4148351A4 (en) * 2020-05-08 2024-05-15 Hisense Refrigerator Co., Ltd. REFRIGERATOR

Also Published As

Publication number Publication date
CN101331970A (zh) 2008-12-31
EP2162690A1 (de) 2010-03-17
RU2470239C2 (ru) 2012-12-20
CN101688724A (zh) 2010-03-31
CN101331970B (zh) 2011-04-27
WO2009000724A1 (de) 2008-12-31
RU2010101157A (ru) 2011-08-10

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