US20040226304A1 - Refrigeration and/or freezer system - Google Patents

Refrigeration and/or freezer system Download PDF

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Publication number
US20040226304A1
US20040226304A1 US10/774,784 US77478404A US2004226304A1 US 20040226304 A1 US20040226304 A1 US 20040226304A1 US 77478404 A US77478404 A US 77478404A US 2004226304 A1 US2004226304 A1 US 2004226304A1
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United States
Prior art keywords
refrigeration
freezer
unit
units
signal transmission
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.)
Abandoned
Application number
US10/774,784
Inventor
Herbert Gerner
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen 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 Liebherr Hausgeraete Ochsenhausen GmbH filed Critical Liebherr Hausgeraete Ochsenhausen GmbH
Assigned to LIEBHERR-HAUSGERATE OCHSENHAUSEN GMBH reassignment LIEBHERR-HAUSGERATE OCHSENHAUSEN GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GERNER, HERBERT
Publication of US20040226304A1 publication Critical patent/US20040226304A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • F25B2600/00—Control issues
    • F25B2600/07—Remote controls
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/14—Refrigerator multi units
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F25D2400/361—Interactive visual displays
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/40—Refrigerating devices characterised by electrical wiring

Definitions

  • the invention concerns a refrigeration and/or freezer system with at least two refrigeration and/or freezer units.
  • a refrigeration and/or freezer system has a common operating unit for at least the two refrigeration or freezer units.
  • a signal transmission device is provided for the transmission between the operating unit and at least two refrigeration or freezer units of signals to control said refrigeration and freezer units.
  • the individual units are free-standing and have their own individual electronics for controlling the unit in question. Only the operation is executed centrally, via an operating component.
  • the operating unit can be separate, and can be linked with the individual refrigeration and/or freezer units by means of appropriate signal transmission connections. However, it is particularly responsive and advantageous if the operating unit is integrated into one of the refrigeration and/or freezer units and the other units communicate with this equipment, which contains the operating unit, via signal transmission connections. In this way the first equipment unit can also be used separately and if appropriate can be expanded for use as a module by means of additional refrigeration and/or freezer units. Moreover, the integrated operating unit ensures a compact aesthetic appearance.
  • the individual refrigeration and/or freezer units can constitute different temperature areas of a cooling system.
  • the system can include one refrigeration unit and one freezer unit.
  • an ice-cube-maker can be provided for one of the units. Thanks to flexible design of the system, various combinations can be devised and can be optimally adjusted to individual needs and space availability. In this case only a single operating unit is necessary, with corresponding cost savings.
  • signals are transmitted via a bus system, e.g. on the basis of a modified I 2 C bus.
  • Signals can be transmitted via appropriate cables inserted into connectors or sockets in the individual units. This facilitates easy installation and connection. According to another embodiment, the necessary control signals are transmitted through a wireless connection.
  • connectors or sockets are provided on each individual unit to facilitate a signal transmission connection when the individual units are pushed together.
  • This space-saving embodiment is optically pleasing and easy to execute.
  • the bus system also serves to transmit additional data, e.g. data about the contents of the individual units and their cooling parameters. This makes it possible to read all parameters of the individual refrigeration units on the common operating unit. If, for example, a system for monitoring the contents of the individual units is provided, the content data can also be called up on the central operating unit.
  • Such systems include, for example, antennas integrated into the individual refrigeration units for the purpose of receiving signals from transponders attached to the stored items.
  • FIG. 1 A refrigeration and/or freezer system according to the invention, consisting of two units.
  • FIG. 1 shows a cooling center with, for example, a refrigeration unit 1 and a freezer unit 3 .
  • the two units have doors 9 and 11 , and each has its own power unit, which is not visible in the representation in FIG. 1, and which serves to create low temperatures in the unit in question.
  • An operating unit 7 having several operating elements and indicators, shown only schematically, is visible on refrigeration unit 1 .
  • Operating unit 7 is connected on the one hand with the control and power unit of refrigerator unit 1 for the purpose of their control. This is done inside the equipment and therefore is not visible in FIG. 1. Additionally, operating unit 7 is connected with connector 13 , which merely by way of example is shown in the lower rear of refrigeration unit 1 .
  • a signal transmission cable 5 is inserted into this connector; the other end of said signal transmission cable 5 is inserted into an appropriate connection unit of freezer unit 3 .
  • This signal transmission connection transmits signals from operating unit 7 via the connectors and the transmission cable 5 to the control unit or power unit of freezer unit 3 for the purpose of controlling freezer unit 3 .
  • the number 14 designates another connector for connecting additional devices that can then be operated via operating unit 7 .
  • the refrigeration and freezing unit is set up as follows. In the arrangement, the individual units 1 , 3 , are connected by means of cable connection 5 and connectors 13 . The connection is easy to execute, and can be done by the end user. Operating unit 7 can now operate refrigeration unit 1 and freezing unit 3 . The individual parameters of refrigeration unit I and freezing unit 3 , for example the temperature, can now be indicated on operating unit 7 . With appropriate operating components, the temperature in the two pieces of equipment can be adjusted.
  • the connectors 13 or plugs of the individual pieces of equipment are designed in such manner that when the individual units are pushed together directly a signal-transmission connection is created. Additionally, an appropriate connector is provided on one equipment unit, and an appropriate plug is provided on the other equipment unit, which said connector and plug can mutually correspond. This eliminates the direct for a direct connection with cable 5 . However, if the equipment units are to be used individually, they can also be connected by means of an appropriate cable connection.
  • the equipment units are in separate areas, they can also be connected by means of, for example, a local bus communication system or a radio module.

Abstract

The invention concerns a refrigeration and/or freezer system with at least two refrigeration and/or freezer units, each having its own refrigeration component, with a common operating unit for a minimum of two refrigeration or freezer units, and with a signal transmission component for transmitting signals between the operating unit and the refrigeration or freezer unit in order to control the refrigeration or freezer units with the help of the operating unit.

Description

    The invention concerns a refrigeration and/or freezer system with at least two refrigeration and/or freezer units.
  • When several refrigeration and/or freezer systems are combined to form a cooling system (e.g., as a side-by-side solution), in known solutions the two units are controlled and operated separately and individually. For example, in the combination of a thermostat-controlled unit with a unit controlled by high-grade electronics, two aesthetically very different operating concepts stand side by side. Each unit has its own operating unit, a situation that leads to a large investment in equipment and a poor aesthetic appearance. [0001]
  • Alternative solutions provide for combination units that link the refrigeration and freezer units in a single refrigeration unit for both temperature ranges. A solution of this type is not very flexible, and takes up a great deal of space that cannot be adapted for existing spatial configurations. [0002]
  • It is the task of the within invention to create a refrigeration and/or freezer system that offers great flexibility at moderate cost [0003]
  • This task is executed with a refrigeration and/or freezer system having the characteristics of claim [0004] 1. The sub-claims concern advantageous embodiments.
  • A refrigeration and/or freezer system according to the invention has a common operating unit for at least the two refrigeration or freezer units. A signal transmission device is provided for the transmission between the operating unit and at least two refrigeration or freezer units of signals to control said refrigeration and freezer units. [0005]
  • Operations are executed centrally via a single operating control element, to facilitate ease of operation. High-grade operating units, e.g. graphic displays, are needed in only one version, with resulting cost savings. If the refrigeration and/or freezer units are combined, they form one unit, even though they consist of two separate equipment units. Each equipment unit has its own refrigeration device, thereby facilitating individual operation. [0006]
  • In one advantageous embodiment, the individual units are free-standing and have their own individual electronics for controlling the unit in question. Only the operation is executed centrally, via an operating component. [0007]
  • The operating unit can be separate, and can be linked with the individual refrigeration and/or freezer units by means of appropriate signal transmission connections. However, it is particularly responsive and advantageous if the operating unit is integrated into one of the refrigeration and/or freezer units and the other units communicate with this equipment, which contains the operating unit, via signal transmission connections. In this way the first equipment unit can also be used separately and if appropriate can be expanded for use as a module by means of additional refrigeration and/or freezer units. Moreover, the integrated operating unit ensures a compact aesthetic appearance. [0008]
  • The individual refrigeration and/or freezer units can constitute different temperature areas of a cooling system. For example, the system can include one refrigeration unit and one freezer unit. Alternatively or additionally, an ice-cube-maker can be provided for one of the units. Thanks to flexible design of the system, various combinations can be devised and can be optimally adjusted to individual needs and space availability. In this case only a single operating unit is necessary, with corresponding cost savings. [0009]
  • Advantageously, signals are transmitted via a bus system, e.g. on the basis of a modified I[0010] 2C bus.
  • Signals can be transmitted via appropriate cables inserted into connectors or sockets in the individual units. This facilitates easy installation and connection. According to another embodiment, the necessary control signals are transmitted through a wireless connection. [0011]
  • In an advantageous embodiment of the system, connectors or sockets are provided on each individual unit to facilitate a signal transmission connection when the individual units are pushed together. This space-saving embodiment is optically pleasing and easy to execute. [0012]
  • In an advantageous expansion of the refrigeration and/or freezer system according to the invention, the bus system also serves to transmit additional data, e.g. data about the contents of the individual units and their cooling parameters. This makes it possible to read all parameters of the individual refrigeration units on the common operating unit. If, for example, a system for monitoring the contents of the individual units is provided, the content data can also be called up on the central operating unit. Such systems include, for example, antennas integrated into the individual refrigeration units for the purpose of receiving signals from transponders attached to the stored items. [0013]
  • One embodiment of the refrigeration and/or freezer system according to the invention is explained in detail by means of the attached drawing, which shows: [0014]
  • FIG. 1: A refrigeration and/or freezer system according to the invention, consisting of two units.[0015]
  • FIG. 1 shows a cooling center with, for example, a refrigeration unit [0016] 1 and a freezer unit 3. The two units have doors 9 and 11, and each has its own power unit, which is not visible in the representation in FIG. 1, and which serves to create low temperatures in the unit in question. An operating unit 7 having several operating elements and indicators, shown only schematically, is visible on refrigeration unit 1. Operating unit 7 is connected on the one hand with the control and power unit of refrigerator unit 1 for the purpose of their control. This is done inside the equipment and therefore is not visible in FIG. 1. Additionally, operating unit 7 is connected with connector 13, which merely by way of example is shown in the lower rear of refrigeration unit 1. A signal transmission cable 5 is inserted into this connector; the other end of said signal transmission cable 5 is inserted into an appropriate connection unit of freezer unit 3. This signal transmission connection transmits signals from operating unit 7 via the connectors and the transmission cable 5 to the control unit or power unit of freezer unit 3 for the purpose of controlling freezer unit 3.
  • The [0017] number 14 designates another connector for connecting additional devices that can then be operated via operating unit 7.
  • The refrigeration and freezing unit is set up as follows. In the arrangement, the [0018] individual units 1, 3, are connected by means of cable connection 5 and connectors 13. The connection is easy to execute, and can be done by the end user. Operating unit 7 can now operate refrigeration unit 1 and freezing unit 3. The individual parameters of refrigeration unit I and freezing unit 3, for example the temperature, can now be indicated on operating unit 7. With appropriate operating components, the temperature in the two pieces of equipment can be adjusted.
  • In an embodiment not illustrated, the [0019] connectors 13 or plugs of the individual pieces of equipment are designed in such manner that when the individual units are pushed together directly a signal-transmission connection is created. Additionally, an appropriate connector is provided on one equipment unit, and an appropriate plug is provided on the other equipment unit, which said connector and plug can mutually correspond. This eliminates the direct for a direct connection with cable 5. However, if the equipment units are to be used individually, they can also be connected by means of an appropriate cable connection.
  • If the equipment units are in separate areas, they can also be connected by means of, for example, a local bus communication system or a radio module. [0020]

Claims (20)

1. Refrigeration and/or freezer system with
At least two refrigeration or freezer units (1, 3), each having its own refrigeration component,
A common operating unit (7) for a minimum of two refrigeration or freezer units (1, 3), and
A signal transmission component (5, 13) for transmitting signals between the operating unit (7) and the refrigeration or freezer unit for the purpose of controlling the refrigeration or freezer units by the operating unit (7).
2. Refrigeration and/or freezer system according to claim 1, in which each refrigeration or freezer unit has its own control unit for controlling the pertinent refrigeration component, with the control units being connected with the operating unit (7) via the signal transmission component (5, 13).
3. Refrigeration and/or freezer system according to claim 1, in which the common operating unit (7) is integrated into one of the refrigeration or freezer units (1, 3).
4. Refrigeration and/or freezer system according to claim 1, in which the refrigeration or freezer unit (1, 3) includes at least one refrigeration unit and one freezer unit.
5. Refrigeration and/or freezer system according to claim 1, in which the system includes an ice-cube maker.
6. Refrigeration and/or freezer system according to claim 1, in which the signal transmission component (5, 13) includes a bus system.
7. Refrigeration and/or freezer system according to claim 1, in which the signal transmission component (5, 13) is connected by cable.
8. Refrigeration and/or freezer system according to claim 1, in which the individual refrigeration and/or freezer units (1, 3) have a plug/connector system such that when the individual refrigeration and/or freezer units (1,3) are appropriately positioned in relation to each other, a plug of one of the refrigeration/freezer units (1, 3) works together with a corresponding connector of another refrigeration/freezer unit (1, 3) for purposes of signal transmission.
9. Refrigeration and/or freezer system according to claim 1, in which the signal transmission component is a wireless transmission component.
10. Refrigeration and/or freezer system according to claim 1, in which the signal transmission component is includes the transmission of additional data, particularly refrigeration data or content data.
11. Refrigeration and/or freezer system according to claim 2, in which the common operating unit (7) is integrated into one of the refrigeration or freezer units (1, 3).
12. Refrigeration and/or freezer system according to claim 2, in which the refrigeration or freezer unit (1, 3) includes at least one refrigeration unit and one freezer unit.
13. Refrigeration and/or freezer system according to claim 3, in which the refrigeration or freezer unit (1, 3) includes at least one refrigeration unit and one freezer unit.
14. Refrigeration and/or freezer system according to claim 11, in which the refrigeration or freezer unit (1, 3) includes at least one refrigeration unit and one freezer unit.
15. Refrigeration and/or freezer system according to claim 2, in which the system includes an ice-cube maker.
16. Refrigeration and/or freezer system according to claim 3, in which the system includes an ice-cube maker.
17. Refrigeration and/or freezer system according to claim 4, in which the system includes an ice-cube maker.
18. Refrigeration and/or freezer system according to claim 1 1, in which the system includes an ice-cube maker.
19. Refrigeration and/or freezer system according to claim 12, in which the system includes an ice-cube maker.
20. Refrigeration and/or freezer system according to claim 13, in which the system includes an ice-cube maker.
US10/774,784 2003-02-07 2004-02-09 Refrigeration and/or freezer system Abandoned US20040226304A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20301949U DE20301949U1 (en) 2003-02-07 2003-02-07 Cooling and / or freezing system
DE20301949.0 2003-02-07

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DE (1) DE20301949U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070130968A1 (en) * 2003-10-17 2007-06-14 Shinichi Kaga Refrigerating storage cabinet and refrigerating equipment
CN102216708A (en) * 2008-11-19 2011-10-12 Bsh博世和西门子家用电器有限公司 Domestic refrigeration appliance
EP1943473A4 (en) * 2005-09-16 2016-06-08 Lg Electronics Inc Refrigerator
US20220214103A1 (en) * 2021-01-06 2022-07-07 Electrolux Home Products, Inc. Food preservation system with filtered water supply to icemaker

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020189267A1 (en) * 2001-05-03 2002-12-19 Abtar Singh System for remote refrigeration monitoring and diagnostics
US6502411B2 (en) * 2000-09-11 2003-01-07 Kabushiki Kaisha Toshiba Remote inspection and control of refrigerator

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DE1161921B (en) * 1961-07-24 1964-01-30 Licentia Gmbh Freezer or freezer
FR2576676B1 (en) * 1985-01-29 1987-02-27 Selnor THREE-COMPARTMENT REFRIGERATOR CABINET
JPH0718584B2 (en) * 1986-02-28 1995-03-06 株式会社日立製作所 Air conditioning system
JPH063015A (en) * 1992-06-23 1994-01-11 Hitachi Ltd Combination refrigerator
JPH08189758A (en) * 1995-01-09 1996-07-23 Hitachi Ltd Controller of freezing/refrigerating device
DE19916379A1 (en) * 1998-07-20 2000-01-27 Liebherr Hausgeraete Freezer for storing frozen goods, providing user or operator with view of goods stored in freezer without high cost
JP3654412B2 (en) * 1998-09-30 2005-06-02 富士電機リテイルシステムズ株式会社 Refrigerator for refrigerated showcase
JP2002303473A (en) * 2001-03-30 2002-10-18 Sanyo Electric Co Ltd Central control system of refrigerator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6502411B2 (en) * 2000-09-11 2003-01-07 Kabushiki Kaisha Toshiba Remote inspection and control of refrigerator
US20020189267A1 (en) * 2001-05-03 2002-12-19 Abtar Singh System for remote refrigeration monitoring and diagnostics

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070130968A1 (en) * 2003-10-17 2007-06-14 Shinichi Kaga Refrigerating storage cabinet and refrigerating equipment
EP1943473A4 (en) * 2005-09-16 2016-06-08 Lg Electronics Inc Refrigerator
CN102216708A (en) * 2008-11-19 2011-10-12 Bsh博世和西门子家用电器有限公司 Domestic refrigeration appliance
US20220214103A1 (en) * 2021-01-06 2022-07-07 Electrolux Home Products, Inc. Food preservation system with filtered water supply to icemaker
US11698222B2 (en) * 2021-01-06 2023-07-11 Electrolux Home Products, Inc. Food preservation system with filtered water supply to icemaker

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EP1445561A2 (en) 2004-08-11
DE20301949U1 (en) 2004-06-09
EP1445561A3 (en) 2010-10-13

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AS Assignment

Owner name: LIEBHERR-HAUSGERATE OCHSENHAUSEN GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GERNER, HERBERT;REEL/FRAME:015569/0971

Effective date: 20040224

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION