EP2024695A1 - Réfrigérateur électrique à système de conservation sous vide - Google Patents

Réfrigérateur électrique à système de conservation sous vide

Info

Publication number
EP2024695A1
EP2024695A1 EP07729194A EP07729194A EP2024695A1 EP 2024695 A1 EP2024695 A1 EP 2024695A1 EP 07729194 A EP07729194 A EP 07729194A EP 07729194 A EP07729194 A EP 07729194A EP 2024695 A1 EP2024695 A1 EP 2024695A1
Authority
EP
European Patent Office
Prior art keywords
vacuum
mentioned
fresh
electric refrigerator
keeping system
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.)
Withdrawn
Application number
EP07729194A
Other languages
German (de)
English (en)
Inventor
Junhong Feng
Zhong Quan Suan
Xiaotian Zhou
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2024695A1 publication Critical patent/EP2024695A1/fr
Withdrawn legal-status Critical Current

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
    • 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

  • the present utility model relates to an electric refrigerator - in particular an electric refrigerator with vacuum fresh-keeping system.
  • European Patent EP0405680A2 proposes a vacuum preservation chamber in the refrigerated storage chamber of an electric refrigerator.
  • the above-described vacuum preservation chamber is shown in Figure 1.
  • This vacuum preservation chamber has a vacuum preservation chamber body 17 and a vacuum preservation chamber cover 19 connected to the vacuum preservation chamber body, which can be opened.
  • a suction nozzle 25 is provided, wherein the above-mentioned suction nozzle fits to a terminal 27 located at the rear wall of the refrigerating storage chamber of the electric refrigerator.
  • the Chinese patent ZL03245813.4 proposes a vacuum preservation chamber in the refrigerated storage chamber of an electric refrigerator.
  • the above-described vacuum preservation chamber is shown in Figure 2.
  • vacuum holding chamber and door of the electric refrigerator are designed independently, so that the above-mentioned defectiveness of European patent EP0405680A2 has been overcome.
  • the defectiveness of the above-identified Chinese patent is that the ball valve for air-filling the vacuum preservation chamber is attached to the cover.
  • the object of the present invention is to provide an electric refrigerator with vacuum keep-fresh system, wherein the above-mentioned vacuum keep-fresh system is for selective control by the user.
  • the present invention provides an electric refrigerator with vacuum keeping system, wherein the above-described vacuum keeping system has at least one vacuum preservation chamber having an air supply device and an air discharge device, and wherein the above-described vacuum keeping system further comprises at least one discharge line connected to the above-described vacuum preservation chamber and a vacuum pump connected to the discharge line and an electric motor for driving the above-mentioned vacuum pump, and wherein the above-mentioned vacuum keeping system further comprises a control device which controls opening and closing of the above-mentioned discharge line.
  • control device of the electric refrigerator with vacuum keeping system which controls opening and closing of the above-mentioned discharge line
  • it is an electromagnetic valve, for example, a check valve, a double valve, a two-way valve, a two-position three-way valve Three-position three-way valve or a three-position four-way valve.
  • the vacuum preserving system described above further comprises a measuring device for measuring the degree of vacuum of the system, wherein the above-mentioned measuring device for measuring the degree of vacuum of the system may be a vacuum sensor which is referred to above Vacuum-fresh holding chamber is provided. It is also possible for the above-described measuring device for measuring the degree of vacuum of the system to be provided on a vacuum sensor at the inlet of the abovementioned vacuum pump.
  • the above-mentioned air supply device and the air discharge device are respectively provided to check valves of the above-mentioned vacuum preservation chamber.
  • the above-described vacuum preserving system has independent vacuum preserving chambers, whereby it is possible by means of the aforesaid control device which controls opening and closing of the above-described discharge line independently of one another Vacuum-fresh holding chambers by air removal in vacuum condition.
  • the control device referred to above which controls the opening and closing of the above-mentioned discharge line, it may be a three-position - A -
  • the above-described vacuum-fresh-keeping system further comprises a measuring device for measuring the degree of vacuum of the system, which is, for example, a vacuum sensor which is provided on the above-mentioned vacuum Frischhaltehunt or at the entrance of the above-mentioned vacuum pump.
  • the above-described vacuum preservation chamber may be provided in a refrigerated storage chamber of the electric refrigerator, and on the inner wall of the above-mentioned refrigerated storage chamber, there is provided a connection connected to the discharge line which matches the air discharge device of the vacuum preservation chamber.
  • a noise reduction device is provided on the above-mentioned vacuum pump.
  • Figure 1 is a representation of a conventional electric refrigerator with vacuum fresh-keeping system.
  • Figure 2 is an illustration of another conventional electric refrigerator with vacuum preservation system.
  • Figure 3 is the representation of the system principle of the vacuum-fresh-keeping system of an electric refrigerator with vacuum-fresh-keeping system according to the invention utility model.
  • Figure 4 is the representation of the first practical embodiment of an electric refrigerator with vacuum-fresh-keeping system according to the invention utility model.
  • FIG 5 is the representation of the second practical embodiment of an electric refrigerator with vacuum fresh-keeping system according to the invention utility model.
  • Figure 6 is the representation of the third practical embodiment of an electric refrigerator with vacuum-fresh-keeping system according to the invention utility model.
  • Figure 7 is the representation of the fourth practical embodiment of an electric refrigerator with vacuum-fresh-keeping system according to the invention utility model.
  • FIG 8 is the representation of the fifth practical embodiment of an electric refrigerator with vacuum-fresh-keeping system according to the invention utility model.
  • Figure 9 is the representation of the sixth practical embodiment of an electric refrigerator with vacuum fresh-keeping system according to the invention utility model.
  • the vacuum keeping system comprises a vacuum pump 1, an electric motor 2 for driving the above-mentioned vacuum pump, and a discharge pipe 3 connected to the above-mentioned vacuum pump 1, with the above-mentioned discharge pipe 3 having two branches has, which are each connected to two vacuum preserving chambers 7.
  • a vacuum building device 6 At one end of the vacuum preservation chamber 7, there is provided a vacuum building device 6 for vacuum buildup.
  • a vacuum dissipation device 8 is provided for vacuum removal.
  • the above-mentioned vacuum building devices 8 of the two vacuum-fresh keeping chambers are independent of each other.
  • a connection 5 is provided which fits to the vacuum building device 6 on the vacuum preservation chamber 7.
  • control device 4 is also provided, which controls the opening and closing of the discharge line 3.
  • control device 4 With the aid of the above-described control device 4, it is possible to selectively open or close one of the two above-mentioned branches. In this way, the vacuum structure of the two above-described vacuum fresh holding chambers 7 can be selectively carried out. It must be explained at this point that in Figure 3, the representation of a vacuum fresh keeping system with two vacuum preserving chambers 7 takes place.
  • the vacuum fresh-keeping system has only a single vacuum-fresh keeping chamber, or when three or more branches are connected to three or more vacuum-fresh holding chambers, so in the same way the attachment of appropriate control devices for opening and closing the discharge line, in this way the vacuum structure of the vacuum To control fresh food holding chambers. It is also possible to additionally provide a noise reduction device 10 on the vacuum pump 1 in order to reduce the noise generated during operation of the vacuum pump 1.
  • the vacuum keeping system includes vacuum pump 1, an electric motor 2 (not shown in the figure) for driving the above-mentioned vacuum pump, a discharge pipe 3, two check valves 4a having a control device function for controlling opening and closing of the discharge pipe 3, a port 5a, a check valve 6a provided on the vacuum holding chamber 7 with the function of a vacuum building apparatus, and a check valve 8a having a vacuum releasing function.
  • the vacuum preservation chamber 7 is maintained by means of check valve 4a to maintain the pressure of the vacuum preservation chamber.
  • the vacuum keeping system includes vacuum pump 1, an electric motor (not shown in the figure) for driving the above-mentioned vacuum pump, a discharge pipe 3, two double valves 4b functioning as a control device Control of opening and closing of the discharge line 3, a port 5b and provided on a vacuum-Frischhaltesch 7 check valve 8b with the function of a vacuum removal device.
  • a vacuum gauge 9b is provided on the vacuum holding chamber 7, which is, for example, a vacuum sensor for measuring the degree of vacuum of the vacuum holding chamber. When the system has reached the set vacuum maximum value, the pump stop signal is output to the control system.
  • the vacuum keeping system includes vacuum pump 1, an electric motor 2 for driving the above-mentioned vacuum pump, a discharge pipe 3, two two-position three-way valves 4c having an open-close control device the discharge line 3, a connection 5c, a check valve 6c provided on the vacuum preservation chamber 7 with the function of a Vacuum-building device and provided on a vacuum-fresh keeping chamber 7 check valve 8c with the function of a vacuum removal device.
  • the pressure of the vacuum holding chamber is maintained by means of two-position three-way valves 4c.
  • the fourth practical embodiment of the utility model according to the invention is similar to the third practical embodiment of the utility model according to the invention shown in Figure 6.
  • the difference between the two practical embodiments is that the fourth practical embodiment uses a three-position four-way valve 4d which replaces the above-described two two-position three-way valves 4c with a control device for controlling opening and closing of the discharge pipe 3.
  • the fifth practical embodiment of the utility model according to the invention is similar to the fourth practical embodiment of the utility model according to the invention shown in Figure 7.
  • a vacuum gauge 9e is provided at the entrance of the vacuum pump 1, which is, for example, a continuous vacuum sensor.
  • the sixth practical embodiment of the utility model according to the invention is similar to the fifth practical embodiment of the utility model according to the invention shown in Figure 8.
  • the difference between the two practical embodiments is that in the sixth practical embodiment at the entrance of the vacuum pump 1, two vacuum measuring devices 9f are provided, which are, for example, vacuum sensors with Wegdorfnausgabe.
  • all of the vacuum pump 1 is provided with a noise reducing device 10 for reducing the noise generated by the operation of the vacuum pump.
  • the inventive vacuum-fresh-keeping systems according to practical embodiment 1 to practical embodiment 6 are all systems for use in household electric refrigerators.
  • the vacuum preservation chamber may be provided in the cooling storage chamber of the electric refrigerator.
  • the port 5 may be provided on the inner wall of the cold storage chamber.
  • the vacuum preservation chamber 7 can be removed and stored separately in the electric refrigerator. When one of the vacuum preservation chambers is removed from the system, this does not affect the function of the vacuum construction of the other vacuum preservation chamber.

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)

Abstract

L'invention concerne un réfrigérateur électrique muni d'un système de conservation sous vide qui comprend au moins un compartiment de conservation sous vide (7) disposant d'un dispositif d'amenée d'air (8) et d'un dispositif d'évacuation d'air (3). Le système de conservation sous vide comprend également au moins une conduite d'évacuation (3) reliée au compartiment de conservation sous vide, ainsi qu'une pompe à vide (1) reliée à la conduite d'évacuation et un moteur électrique (2) servant à entraîner la pompe à vide. Le système de conservation sous vide comprend en outre un dispositif de contrôle qui contrôle l'ouverture et la fermeture de la conduite d'évacuation (3) de manière à permettre l'ouverture et la fermeture sélectives du système.
EP07729194A 2006-05-19 2007-05-16 Réfrigérateur électrique à système de conservation sous vide Withdrawn EP2024695A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU200620071501XU CN2901196Y (zh) 2006-05-19 2006-05-19 具有真空保鲜系统的电冰箱
PCT/EP2007/054746 WO2007135048A1 (fr) 2006-05-19 2007-05-16 Réfrigérateur électrique à système de conservation sous vide

Publications (1)

Publication Number Publication Date
EP2024695A1 true EP2024695A1 (fr) 2009-02-18

Family

ID=38085361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07729194A Withdrawn EP2024695A1 (fr) 2006-05-19 2007-05-16 Réfrigérateur électrique à système de conservation sous vide

Country Status (4)

Country Link
EP (1) EP2024695A1 (fr)
CN (1) CN2901196Y (fr)
RU (1) RU2427768C2 (fr)
WO (1) WO2007135048A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103712408A (zh) * 2013-12-31 2014-04-09 海信容声(广东)冰箱有限公司 一种真空保鲜系统及其控制方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101331970B (zh) * 2007-06-28 2011-04-27 博西华家用电器有限公司 真空保鲜系统及其控制方法
CN203231607U (zh) * 2012-12-20 2013-10-09 博西华电器（江苏）有限公司 具有真空系统的冰箱
CN105506730B (zh) * 2015-12-15 2019-02-12 上海汉虹精密机械有限公司 一种单晶炉的主真空管路结构
CN106524645A (zh) * 2016-12-02 2017-03-22 青岛海尔股份有限公司 冷藏冷冻设备
CN106642962B (zh) * 2016-12-09 2018-12-14 青岛海尔股份有限公司 冷藏冷冻装置及其控制方法
CN111508773B (zh) * 2019-01-30 2021-08-20 宁波方太厨具有限公司 家庭负压保鲜腔体的开关门电控系统及方法
CN111829262A (zh) * 2020-07-30 2020-10-27 宣昌黎 真空气调保鲜电冰箱
CN114061222A (zh) * 2020-08-04 2022-02-18 海信容声(广东)冷柜有限公司 一种冷柜

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GB389535A (en) * 1931-12-19 1933-03-23 James Anstruther Hughes Bowman Improved heat-insulated storage chambers particularly for preserving foodstuffs
FR911026A (fr) * 1944-06-19 1946-06-26 Dispositif de conservation perfectionné des matières périssables
US2894845A (en) * 1955-04-18 1959-07-14 Gen Electric Methods of preserving fresh foods
DE3212753A1 (de) * 1982-04-06 1983-12-01 Heinz 8500 Nürnberg Rothberg Vakuumschrank zur konservierung durch atmosphaerische keimfreiheit
ES2045563T3 (es) * 1988-11-09 1994-01-16 Solich & Mayer Sm Vacuum Procedimiento para la conservacion de sustancias biologicas asi como dispositivo para la realizacion de dicho procediento.
JPH03175251A (ja) * 1989-12-01 1991-07-30 Makoto Watanabe 電気冷蔵庫
DE19931920A1 (de) * 1999-07-08 2001-01-18 Alois Scheidter Kühlschrank
US6090422A (en) * 1999-08-11 2000-07-18 Taragan; Arie Refrigerator with automatic vacuum compartment and method of preserving fresh food items using the same
US20020083724A1 (en) * 2000-12-28 2002-07-04 Tarlow Kenneth A. Food storage and preservation system
JP2004121156A (ja) * 2002-10-04 2004-04-22 Shinagawa Kogyosho:Kk 食品の真空冷却装置及びその冷却制御方法
DE10248510A1 (de) * 2002-10-17 2004-04-29 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem evakuierbaren Lagerfach
CN2624137Y (zh) * 2003-05-14 2004-07-07 河南新飞电器有限公司 真空保鲜冰箱

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103712408A (zh) * 2013-12-31 2014-04-09 海信容声(广东)冰箱有限公司 一种真空保鲜系统及其控制方法
CN103712408B (zh) * 2013-12-31 2016-01-13 海信容声(广东)冰箱有限公司 一种真空保鲜系统及其控制方法

Also Published As

Publication number Publication date
RU2427768C2 (ru) 2011-08-27
WO2007135048A1 (fr) 2007-11-29
CN2901196Y (zh) 2007-05-16
RU2008148161A (ru) 2010-06-27

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