EP0727627A1 - Réfrigérateur avec interrupteur secteur - Google Patents

Réfrigérateur avec interrupteur secteur Download PDF

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Publication number
EP0727627A1
EP0727627A1 EP96100391A EP96100391A EP0727627A1 EP 0727627 A1 EP0727627 A1 EP 0727627A1 EP 96100391 A EP96100391 A EP 96100391A EP 96100391 A EP96100391 A EP 96100391A EP 0727627 A1 EP0727627 A1 EP 0727627A1
Authority
EP
European Patent Office
Prior art keywords
switch
cooling device
delay
time delay
switched
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
EP96100391A
Other languages
German (de)
English (en)
Other versions
EP0727627B1 (fr
Inventor
Bernd Dipl.-Ing. Glänzer
Hans Dipl.-Ing. Dungler
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.)
AEG Hausgeraete GmbH
Original Assignee
AEG 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 AEG Hausgeraete GmbH filed Critical AEG Hausgeraete GmbH
Publication of EP0727627A1 publication Critical patent/EP0727627A1/fr
Application granted granted Critical
Publication of EP0727627B1 publication Critical patent/EP0727627B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H7/00—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
    • 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
    • F25B2600/23—Time delays
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/054—Application timeslot: duration of actuation or delay between or combination of subsequent actuations determines selected function

Definitions

  • the invention relates to a cooling device according to the preamble of the first claim.
  • a manually operable mains switch is provided for switching the mains supply circuit on and off, which switch performs the required switching operation by means of electromechanical contacts.
  • the power switch is assigned a lock device which can be triggered by a button and is arranged at a distance from the power switch from its actuating element. The power switch is locked in the on position, this locking can only be unlocked by pressing the additional button and then automatically switches to the off position.
  • the mechanical outlay for the child lock designed in this way is considerable, the separate arrangement of the actuating button and release button requiring additional construction effort.
  • the invention has for its object to take measures in a cooling device according to the preamble of the first claim, by which an unintentional switching off of the power switch can be prevented with simple means.
  • the power switch is only provided with a device for the switch-off time delay, so that if the power switch is inadvertently or inadmissibly actuated in the switch-on position, there is still time to restore the switch-on state. It is expedient to signal this sequence acoustically and / or optically when the selectable or predetermined time delay value has elapsed, in order to draw attention to the initiated switch-off process. The corresponding signal can also be maintained at least visually beyond the point in time at which it is switched off, in order to be able to counteract the spoilage of goods which may still be stored.
  • the corresponding device for the switch-off time delay is constructed in such a way that the process of the time delay only takes place as long as a triggering element is actuated manually. If the duration of this actuation is shorter than the preset trigger time value, the device expediently automatically switches back to the initial state in which the preset time delay value is reactivated. Switching off is therefore only possible if the triggering element is actuated for a sufficiently long period of time. Brief actuations of the trigger element are therefore irrelevant.
  • the device for the switch-off delay associated with the power switch preferably has an electronically controllable time switch which can be started by means of a push-button switch electrically connected to its control input.
  • the device preferably has an electronic counter which is preset to a predetermined delay time value and which counts down from a preset value during operation of the push-button switch serving for counter control or counts up to a preset value and then effects the switch-off process.
  • a display value corresponding to the count value can be displayed on an optical display device, in particular an LCD display.
  • a "countdown" from a preset value, for example 5, to another value, for example the value 0, during the expiry of the time delay.
  • the device or an electrically operated device part is switched off.
  • an acoustic display which emits a signal during the expiring time delay value, so that the visual display does not have to be observed and third parties can also take note.
  • the control of the expiry of the time delay time is preferably carried out by a microprocessor which controls the corresponding display elements as a function of the actuation of the key switch.
  • the time delay value can also be displayed alternately with a temperature display in the same display and by means of the same display elements.
  • the device for time-delayed switch-off can contain an element which is in the manner of a monostable flip-flop or an RC-controlled Schmitt trigger. It is expedient to use the push-button switch at the same time to switch the supply circuit on again, the switch-on taking place without a time delay.
  • a mains switch that is switched on in particular electronically designed or electronically controlled, is switched with a time delay from the switched-on state into the switched-off state after a manually triggered start of a time delay device, if the starting condition of the time delay device is maintained beyond the preset time delay value.
  • the switch on of the power switch from the switched-off state is instantaneous.
  • the switch-on process can also be controlled analogously to the switch-off process with appropriate devices.
  • a refrigerator not shown in the drawing, in particular a freezer 1, has an operating and display panel 2, which is arranged on the front below a worktop 3 and above a front door 4.
  • an actuating element of a push button switch 5 In the faceplate there is an actuating element of a push button switch 5, with which the freezer can be switched on but not delayed if the actuating element of the push button switch 5 is manually operated continuously over a predetermined time delay.
  • the temperature currently prevailing in the refrigerator compartment appears in a display element 7, which is also integrated into the panel and is controlled in particular by a microprocessor.
  • a warning element 8 likewise assigned to the diaphragm 2, can be activated at least during the expiry of the time delay and in the process emit an acoustic and / or visual warning signal.
  • this warning signal can be switched off by means of an acknowledgment button 9 when the switch-off process has actually been consciously controlled.
  • This warning signal can also be activated if the prescribed low storage temperature cannot be maintained due to insufficient cooling of the cold room.
  • the mains switch can be switched on again, in particular without delay, by pressing the same again, preferably using the microprocessor. Otherwise, the alarm device 8 is not activated as long as the normal operating state of the cooling device exists and the key switch 5 is not actuated.

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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP96100391A 1995-02-16 1996-01-12 Réfrigérateur avec interrupteur secteur Expired - Lifetime EP0727627B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19505173 1995-02-16
DE19505173A DE19505173C2 (de) 1995-02-16 1995-02-16 Kühlgerät mit Netzschalter

Publications (2)

Publication Number Publication Date
EP0727627A1 true EP0727627A1 (fr) 1996-08-21
EP0727627B1 EP0727627B1 (fr) 1999-10-20

Family

ID=7754107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96100391A Expired - Lifetime EP0727627B1 (fr) 1995-02-16 1996-01-12 Réfrigérateur avec interrupteur secteur

Country Status (3)

Country Link
EP (1) EP0727627B1 (fr)
DE (2) DE19505173C2 (fr)
ES (1) ES2139961T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707736A2 (fr) * 2005-03-11 2006-10-04 WEINOR Dieter Weiermann GmbH & Co. Dispositif de commande pour la commutation de circuits électriques et procédé pour la manoeuvre de dispositifs à traction électrique
EP2628841B1 (fr) * 2012-02-20 2017-04-19 Whirlpool EMEA S.p.A Procédé et dispositif permettant de rapidement allumer et activer un appareil ménager appartenant à la catégorie électroménager blanc

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100379172B1 (ko) * 2001-05-08 2003-04-08 주식회사 엘지이아이 냉장고의 전원-오프 표시방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181829A (en) * 1978-04-12 1980-01-01 Allen-Bradley Company Time delay switch actuating mechanism
DE3819134A1 (de) * 1988-06-06 1989-12-14 Baer Elektrowerke Gmbh & Co Kg Elektrisches kuehlgeraet, insbesondere tiefkuehlschrank, tiefkuehltruhe od. dgl.
DE3913175A1 (de) * 1988-04-22 1990-02-08 Richard Von Liechtenstein Zeitschaltvorrichtung
DE4205287C1 (en) * 1992-02-21 1993-02-25 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Vehicle seat heating control circuit with manually operable switch - has timing unit, pulse counter coupled to drive stage, and power relay, with initial actuation of switch selecting first function and further ones selecting second function

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950002921Y1 (ko) * 1991-01-30 1995-04-17 삼성전자 주식회사 멀티에어콘의 제어회로
DE9308907U1 (de) * 1993-06-15 1994-07-14 AEG Hausgeräte GmbH, 90429 Nürnberg Kindergesicherter Ein-Aus-Drucktastenschalter für Haushalt-Gefriergeräte, -Kühlgeräte und -Kühl-Gefrier-Kombinationen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181829A (en) * 1978-04-12 1980-01-01 Allen-Bradley Company Time delay switch actuating mechanism
DE3913175A1 (de) * 1988-04-22 1990-02-08 Richard Von Liechtenstein Zeitschaltvorrichtung
DE3819134A1 (de) * 1988-06-06 1989-12-14 Baer Elektrowerke Gmbh & Co Kg Elektrisches kuehlgeraet, insbesondere tiefkuehlschrank, tiefkuehltruhe od. dgl.
DE4205287C1 (en) * 1992-02-21 1993-02-25 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Vehicle seat heating control circuit with manually operable switch - has timing unit, pulse counter coupled to drive stage, and power relay, with initial actuation of switch selecting first function and further ones selecting second function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707736A2 (fr) * 2005-03-11 2006-10-04 WEINOR Dieter Weiermann GmbH & Co. Dispositif de commande pour la commutation de circuits électriques et procédé pour la manoeuvre de dispositifs à traction électrique
EP1707736A3 (fr) * 2005-03-11 2014-01-08 Weinor GmbH & Co. KG Dispositif de commande pour la commutation de circuits électriques et procédé pour la manoeuvre de dispositifs à traction électrique
EP2628841B1 (fr) * 2012-02-20 2017-04-19 Whirlpool EMEA S.p.A Procédé et dispositif permettant de rapidement allumer et activer un appareil ménager appartenant à la catégorie électroménager blanc

Also Published As

Publication number Publication date
DE59603382D1 (de) 1999-11-25
ES2139961T3 (es) 2000-02-16
EP0727627B1 (fr) 1999-10-20
DE19505173C2 (de) 1997-12-04
DE19505173A1 (de) 1996-08-22

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