EP0727627B1 - Kühlgerät mit Netzschalter - Google Patents
Kühlgerät mit Netzschalter Download PDFInfo
- Publication number
- EP0727627B1 EP0727627B1 EP96100391A EP96100391A EP0727627B1 EP 0727627 B1 EP0727627 B1 EP 0727627B1 EP 96100391 A EP96100391 A EP 96100391A EP 96100391 A EP96100391 A EP 96100391A EP 0727627 B1 EP0727627 B1 EP 0727627B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- appliance according
- cooling appliance
- delay
- switch
- time
- 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.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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 provided by means of electromechanical Contacts performs the required switching operation.
- the power switch can be triggered by a button Locking device assigned that removed from the power switch is arranged by its actuator. Of the The mains switch is locked in the on position, this locking only by pressing the additional key can be specifically unlocked and then automatically switches to the off position.
- the invention is based, with one Cooling device according to the preamble of the first claim Take measures by which with simple means an unintentional turning off of the power switch can be prevented.
- a cooling device is the power switch with only one Provide switch-off delay device so that in the event of inadvertent or inadmissible actuation of the In any case, the mains switch still has time in the switched-on position remains to restore the switch-on state. It is it expedient at the end of the selectable or predetermined Time delay value this process acoustically and / or optically to signal to the initiated To draw attention to the switch-off process. It can corresponding signal also beyond the switch-off time at least visually maintained to spoil it to counteract any goods that may still be stored. For the sake of safety, the appropriate facility for Switch-off time delay constructed so that the process of Time delay only expires as long as a trip element is operated manually.
- the one assigned to the power switch Device for the switch-off time delay preferably has an electronically controllable timer on the by means of an electrically connected to its control input connected switch must be started. After this This automatic reset button must start until the delay period expires in actuated Position held when an actual Switching off a corresponding supply circuit for the cooling device is to be reached. Otherwise, one only brief actuation of the push button ignored.
- the device preferably has one electronic counter based on a predetermined Delay time value is preset and during the Actuation of the push button used for counter control counts down from a preset value or up to increments a preset value and then the Switching off causes.
- a corresponding to the count Display value can be on an optical display device, in particular an LCD display. It is for example, it is possible to count down from one preset value, for example 5, during the Expiry of the time delay to another value, for example to count the value 0. After completing this Counting the device or an electrical operated device part switched off.
- the Control of the expiry of the time delay time preferably made by a microprocessor which the corresponding display elements depending on the Pressing the push button controls. It is expedient, the status of the device or the concerned device part to be switched off in a memory store, especially in an EEPROM, which too Customer service purposes can be queried.
- the display of the Time delay value can also alternate with a temperature display in the same display and by means of the same display elements are made.
- the Device for delayed switch-off can be a Contain element that is in the manner of a monostable flip-flop or an R-C controlled Schmitt trigger is. It is advisable to press the key switch at the same time for restarting the supply circuit use, switching on without time delay he follows.
- this structure one becomes one electrical supply circuit switched on, in particular electronically trained or electronic controlled power switch after a manually triggered Start of a time delay device with a time delay switched on in the switched-off state, when the start condition of the time delay device beyond the preset time delay value is maintained.
- the activation of the power switch in contrast, the switch-off state is instantaneous.
- the unintentional switch-on should only be done under Additional conditions may also be possible Switch-on process analogous to the switch-off process with appropriate facilities can be controlled.
- the invention is based on a schematic diagram additionally explained.
- a cooling device not shown in the drawing, in particular a freezer 1, has an operating and Display panel 2 on the front below one Worktop 3 and above a front door 4 is arranged.
- the aperture integrated display element 7 in particular controlled by a microprocessor appears in the normal operating case is the one currently prevailing in the cold room Temperature.
- the display switched so that one of the preset switch-off delay corresponding Value is displayed, for example from a Display value 5 during the actuation period of the Key switch 5 to another value, example value the value 0 is counted down. Only when this value is reached, the power supply is switched off especially for driving the refrigerant circuit.
- an aperture 2 can also be assigned Warning element 8 at least during the course of Time delay must be activated and an acoustic and / or give an optical warning signal. If this Warning signal even during the switch-off phase of the Supply network can be maintained by means of a Acknowledgment button 9 to switch off this warning signal be made when the turn-off process actually has been consciously controlled.
- This warning signal can also then be activated if the cooling is insufficient Cold store the prescribed low storage temperature cannot be maintained.
- the power switch by means of the push button 5 can by actuating the same again, preferably using it the microprocessor the renewed, especially instantaneous The mains switch is switched on. Otherwise, the Alarm device 8 is not activated as long as the normal Operating condition 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)
Description
Claims (11)
- Kühlgerät, insbesondere Kühl- oder Gefrierschrank, mit einem manuell steuerbaren Netzschalter zum Ein- bzw. Ausschalten einer Stromversorgung, dadurch gekennzeichnet, daß der Netzschalter eine Einrichtung zur Ausschaltzeitverzögerung aufweist.
- Kühlgerät nach Anspruch 1, dadurch gekennzeichnet, daß die Einrichtung nur abläuft, solange ein Auslöseglied (5) betätigt ist.
- Kühlgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Einrichtung nur dann selbsttätig in den Ausgangszustand zurückgeht, wenn die Betätigung des Auslösegliedes (5) während der gestarteten Verzögerungszeitspanne unterbrochen oder abgebrochen wird.
- Kühlgerät nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, daß die Einrichtung einen elektronisch steuerbaren Zeitschalter aufweist, der mittels eines elektrisch an seinen Steuereingang angeschlossenen Tastschalters (5) zu starten ist und der nach einem Start durch Betätigen des Tastschalters (5) selbsttätig eine Verzögerungszeitspanne löscht, wenn der Tastschalter vor Ablauf einer wählbaren maximalen Verzögerungszeitspanne, nach der der Versorgungsstromkreis unterbrochen wird, nicht betätigt wird.
- Kühlgerät nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, daß die Einrichtung einen elektronischen Zähler aufweist, der auf einen vorbestimmten Verzögerungszeitwert voreingestellt ist und daß der Zeitwert während der Betätigung eines der Zählersteuerung dienenden Tastschalters (5) zurückgezählt wird.
- Kühlgerät nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, daß die Einrichtung mit einer Anzeige (7) gekoppelt ist, die den aktuellen Verzögerungswert anzeigt.
- Kühlgerät nach Anspruch 6, dadurch gekennzeichnet, daß die Anzeige bei einer Änderung des Zeitverzögerungswertes ein optisches und/oder akkustisches Signal ausgibt.
- Kühlgerät nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, daß die Einrichtung nach Art eines monostabilen Flip-Flop oder eines R-C-gesteuerten Schmitt-Trigger aufgebaut ist.
- Kühlgerät nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, daß die Einrichtung aus dem Ausschaltzustand manuell ohne Zeitverzögerung in den Einschaltzustand stellbar ist, in welchem die Ausschalt-Zeitverzögerung vorbereitet ist.
- Kühlgerät nach Anspruch 9, dadurch gekennzeichnet, daß der Tastschalter (5) den Netzschalter in den Einschaltzustand steuert.
- Verfahren zur Steuerung eines Kühlgerätes gemäß Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, daß ein in den elektrischen Versorgungsstromkreis eingeschalteter Netzschalter nach einem manuell ausgelösten Start einer Zeitverzögerungseinrichtung zeitverzögert ausgeschaltet wird, wenn die Startbedingung über den voreingestellten Zeitverzögerungswert hinaus aufrechterhalten wird und daß der Netzschalter ohne Einschaltverzögerung wahlweise eingeschaltet wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19505173A DE19505173C2 (de) | 1995-02-16 | 1995-02-16 | Kühlgerät mit Netzschalter |
DE19505173 | 1995-02-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0727627A1 EP0727627A1 (de) | 1996-08-21 |
EP0727627B1 true EP0727627B1 (de) | 1999-10-20 |
Family
ID=7754107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96100391A Expired - Lifetime EP0727627B1 (de) | 1995-02-16 | 1996-01-12 | Kühlgerät mit Netzschalter |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0727627B1 (de) |
DE (2) | DE19505173C2 (de) |
ES (1) | ES2139961T3 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100379172B1 (ko) * | 2001-05-08 | 2003-04-08 | 주식회사 엘지이아이 | 냉장고의 전원-오프 표시방법 |
DE102005011771A1 (de) * | 2005-03-11 | 2006-09-14 | Weinor Dieter Weiermann Gmbh & Co. | Steuervorrichtung zur Schaltung von Stromkreisen und Verfahren zur Betätigung von elektrisch angetriebenen Einrichtungen |
ITTO20120147A1 (it) * | 2012-02-20 | 2013-08-21 | Indesit Co Spa | Metodo e dispositivo di accensione ed attivazione rapida in un elettrodomestico bianco |
Family Cites Families (6)
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. |
KR950002921Y1 (ko) * | 1991-01-30 | 1995-04-17 | 삼성전자 주식회사 | 멀티에어콘의 제어회로 |
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 |
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 |
-
1995
- 1995-02-16 DE DE19505173A patent/DE19505173C2/de not_active Expired - Lifetime
-
1996
- 1996-01-12 ES ES96100391T patent/ES2139961T3/es not_active Expired - Lifetime
- 1996-01-12 EP EP96100391A patent/EP0727627B1/de not_active Expired - Lifetime
- 1996-01-12 DE DE59603382T patent/DE59603382D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59603382D1 (de) | 1999-11-25 |
DE19505173A1 (de) | 1996-08-22 |
ES2139961T3 (es) | 2000-02-16 |
DE19505173C2 (de) | 1997-12-04 |
EP0727627A1 (de) | 1996-08-21 |
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