EP0943869B1 - Electric range with a control device and supply terminals - Google Patents
Electric range with a control device and supply terminals Download PDFInfo
- Publication number
- EP0943869B1 EP0943869B1 EP99104381A EP99104381A EP0943869B1 EP 0943869 B1 EP0943869 B1 EP 0943869B1 EP 99104381 A EP99104381 A EP 99104381A EP 99104381 A EP99104381 A EP 99104381A EP 0943869 B1 EP0943869 B1 EP 0943869B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control unit
- unit
- electric oven
- control
- muffle
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
Definitions
- the present invention relates to an electric stove or oven with one of electrical Heating elements heated oven muffle, with one control unit, one Control unit and an electrical circuit breaker unit, which are connected to each other stand for switching the heating elements to a mains voltage supply line, which is connected to a mains connector, in the rear area of the electric cooker.
- Such a cooking device is known from the patent DE 33 08 826 C2, one Central control circuit board for distribution of the control lines to the individual control and Control devices and another separate circuit board for the circuit breaker and power supply unit of the heating or cooking zones is provided.
- the individual control lines have different power connectors provided while the control and regulating devices and the circuit breaker unit as corresponding counterparts each corresponding to the individual power connectors Have sockets.
- a disadvantage of this prior art is the great wiring and assembly effort.
- the object of the present invention is therefore this cabling and assembly effort in an electric cooker according to the preamble of claim 1 reduce.
- this is achieved in that in a generic electric cooker or oven the control unit in the area of the rear wall of the oven muffle is arranged.
- line or cable material can be saved. Because of the short electrical connection lines is also the effort to suppress electrical components in the Electric stove greatly reduced. Furthermore, at this cool point in the electric stove thermal stress on the electrical components of the control unit in particular low.
- the control unit is advantageously in the immediate vicinity of the mains connection terminal arranged and together with this forms a structural unit, for example in shape a common circuit board.
- This unit can be installed in the electric cooker be pre-assembled and checked separately.
- the electric cooker becomes particularly compact and reliable if the circuit breaker unit is also added in the immediate vicinity of the control unit and the mains connection terminal is arranged. As a result, the wiring effort compared to the stand technology significantly reduced.
- the units can be on one or be placed several circuit boards, which are arranged in a housing.
- This Housing can be provided with appropriate ventilation openings and can be cooling technology favorable in a cooling air flow caused by a cooling fan of the electric cooker in the space between the oven muffle and the housing of the electric cooker be arranged.
- This unit can also control or power supply a hob assigned to the electric cooker or an extractor hood take.
- the control unit with the operating unit only connected via a low-voltage line.
- the one required for the control unit Low voltage is already generated in the area of the control unit, whereby the structure of the switch front or the control unit with regard to touchable parts, can accept the electrical voltage, can be simplified.
- the 3mm separation of the electric cooker when switching off takes place in the control unit or in the circuit breaker unit.
- the 230 V consumer connections in particular those of the heating elements are also arranged in the rear area of the electric cooker are the spatial area within the housing in which the mains voltage of 230 V are provided in the electric cooker, favorably on the rear Area of the electric cooker limited behind the back of the oven muffle.
- alternative communication between the control unit to the low-voltage line and the control unit also via its own data bus lines, fiber optic technology or radio or infrared transmission.
- the control unit is used to reduce the number of lines and thus the wiring harness and the control unit assigned modulation and demodulation units. These put the communication between the two units on, for example, one already existing mains voltage or low voltage line safely.
- the heating elements are also arranged on the rear wall of the oven muffle.
- control unit - As described above without control unit and without power supply - is built, and the control and circuit breaker unit in the area the power supply terminal are arranged.
- the control unit can do a lot can be realized flat if it only has flat operating and display elements.
- an oven 1 is greatly simplified in a perspective view from behind shown.
- a metallic housing 3 of the oven 1 is clear Representation of the top wall and the rear wall omitted as well as a side wall and only partially shown the bottom wall.
- Below a known one Front panel 5 with display and control elements of the oven 1 is in the housing 3 supports an oven muffle 7 known per se. This is open on the front and lockable by an oven door, not shown. The thermal insulation of the Oven muffle 7 is not shown for reasons of simplification.
- a control panel 9 is attached at the back the front panel 5, a control panel 9 is attached. This shows the known Operating and display elements of the oven 1.
- a control housing 11 is attached.
- control housing 11 Lead to this control housing 11 on the one hand, a power cord 13 of the domestic electrical network, a low-voltage connecting line 15 to the control console 9 and heating element cables 17 to electrical connection points on the rear wall of the oven muffle 7.
- the Control housings 11 are an electrical unit, a control unit 19, a Circuit breaker unit 21 and a power terminal 23 are provided.
- the control housing 11 is corresponding in a cool area of the housing 3 of the oven 1 arranged the security requirements for the power terminal 23.
- the electrical connections between the power terminal 23, the control unit 19 and the circuit breaker unit 21 are within the control housing 11 for Part realized on common circuit boards.
- the circuit breaker unit 21 the radiators known per se connected to the heating element lines 17 of the oven 1 controlled in terms of performance.
- the control console 9 and the control unit 19 are a first modulation / demodulation unit in the control housing 11 25 and in the control console 9 a second modulation / demodulation unit intended.
- the respective communication signals are in which to supply the display and controls of the control panel 9 anyway existing low-voltage connecting line 15 fed in or read by this.
Description
Die vorliegende Erfindung betrifft einen Elektroherd oder Backofen mit einer von elektrischen Heizelementen beheizten Backofenmuffel, mit einer Bedieneinheit, einer Steuereinheit und einer elektrischen Leistungsschaltereinheit, die miteinander in Verbindung stehen zum Schalten der Heizelemente an eine Netzspannungsversorgungsleitung, die an einer Netzanschlußklemme angeschlossen ist, die im rückwärtigen Bereich des Elektroherdes gehaltert ist.The present invention relates to an electric stove or oven with one of electrical Heating elements heated oven muffle, with one control unit, one Control unit and an electrical circuit breaker unit, which are connected to each other stand for switching the heating elements to a mains voltage supply line, which is connected to a mains connector, in the rear area of the electric cooker.
Ein derartiges Gargerät ist bekannt aus der Patentschrift DE 33 08 826 C2, wobei eine zentrale Steuerleiterplatte zur Verteilung der Steuerleitungen zu den einzelnen Steuerund Regeleinrichtungen und eine weitere davon getrennte Leiterplatte für die Leistungsschalter- und Netzanschlußeinheit der Heiz- bzw. -Kochstellen vorgesehen ist. Die einzelnen Steuerleitungen sind mit voneinander abweichenden Leistungssteckem versehen, während die Steuer- und Regeleinrichtungen und die Leistungsschaltereinheit als entsprechende Gegenstücke jeweils zu den einzelnen Leistungssteckem korrespondierende Steckbuchsen aufweisen. Nachteilig an diesem Stand der Technik ist der große Verkabelungs- und Montageaufwand.Such a cooking device is known from the patent DE 33 08 826 C2, one Central control circuit board for distribution of the control lines to the individual control and Control devices and another separate circuit board for the circuit breaker and power supply unit of the heating or cooking zones is provided. The individual control lines have different power connectors provided while the control and regulating devices and the circuit breaker unit as corresponding counterparts each corresponding to the individual power connectors Have sockets. A disadvantage of this prior art is the great wiring and assembly effort.
Aufgabe der vorliegenden Erfindung ist es deshalb, diesen Verkabelungs- und Montageaufwand
bei einem Elektroherd nach dem Oberbegriff des Patentanspruches 1 zu
verringern.The object of the present invention is therefore this cabling and assembly effort
in an electric cooker according to the preamble of
Erfindungsgemäß ist dies dadurch erreicht, daß bei einem gattungsgemäßen Elektroherd oder Backofen die Steuereinheit im Bereich der Rückwand der Backofenmuffel angeordnet ist. Durch die Plazierung der Steuereinheit in diesem Bereich kann Leitungs- bzw. Kabelmaterial eingespart werden. Aufgrund der kurzen elektrischen Verbindungsleitungen ist zudem der Aufwand zum Entstören elektrischer Baugruppen im Elektroherd stark verringert. Weiterhin ist an dieser kühlen Stelle im Elektroherd die thermische Beanspruchung der elektrischen Komponenten der Steuereinheit besonders gering.According to the invention this is achieved in that in a generic electric cooker or oven the control unit in the area of the rear wall of the oven muffle is arranged. By placing the control unit in this area, line or cable material can be saved. Because of the short electrical connection lines is also the effort to suppress electrical components in the Electric stove greatly reduced. Furthermore, at this cool point in the electric stove thermal stress on the electrical components of the control unit in particular low.
Vorteilhafterweise ist die Steuereinheit in unmittelbarer Nähe der Netzanschlußklemme angeordnet und bildet mit dieser zusammen eine Baueinheit, beispielsweise in Form einer gemeinsamen Leiterplatte. Diese Baueinheit kann vor dem Einbau in den Elektroherd gesondert vormontiert und geprüft werden.The control unit is advantageously in the immediate vicinity of the mains connection terminal arranged and together with this forms a structural unit, for example in shape a common circuit board. This unit can be installed in the electric cooker be pre-assembled and checked separately.
Besonders kompakt und zuverlässig wird der Elektroherd, wenn zusätzlich die Leistungsschaltereinheit in unmittelbarere Nähe der Steuereinheit und der Netzanschlußklemme angeordnet ist. Dadurch ist der Verkabelungsaufwand gegenüber dem Stand der Technik deutlich reduziert. Gegebenenfalls können die Einheiten auf einer oder mehreren Leiterplatten plaziert sein, die in einem Gehäuse angeordnet sind. Dieses Gehäuse kann mit entsprechenden Lüftungsöffnungen versehen sein und kann kühltechnisch günstig in einem durch einen Kühllüfter des Elektroherdes bewirkten Kühlluftstrom im Zwischenraum zwischen Backofenmuffel und Gehäuse des Elektroherdes angeordnet sein. Diese Baueinheit kann zusätzlich auch die Steuerung bzw. Spannungsversorgung eines dem Elektroherd zugeordneten Kochfeldes oder einer Dunstabzugshaube übernehmen.The electric cooker becomes particularly compact and reliable if the circuit breaker unit is also added in the immediate vicinity of the control unit and the mains connection terminal is arranged. As a result, the wiring effort compared to the stand technology significantly reduced. If necessary, the units can be on one or be placed several circuit boards, which are arranged in a housing. This Housing can be provided with appropriate ventilation openings and can be cooling technology favorable in a cooling air flow caused by a cooling fan of the electric cooker in the space between the oven muffle and the housing of the electric cooker be arranged. This unit can also control or power supply a hob assigned to the electric cooker or an extractor hood take.
Gemäß einer bevorzugten Ausführungsform ist die Steuereinheit mit der Bedieneinheit lediglich über eine Niederspannungsleitung verbunden. Die für die Bedieneinheit erforderliche Niederspannung wird bereits im Bereich der Steuereinheit erzeugt, wodurch sich der Aufbau der Schalterfront bzw. der Bedieneinheit hinsichtlich berührbarer Teile, die elektrische Spannung annehmen können, vereinfachen läßt. Die 3mm-Trennung des Elektroherdes beim Abschalten erfolgt in der Steuereinheit bzw. in der Leistungsschaltereinheit. Unter der Voraussetzung, daß die 230 V-Verbraucher-Anschlüsse insbesondere die der Heizelemente auch im rückwärtigen Bereich des Elektroherdes angeordnet sind, ist der räumliche Bereich innerhalb des Gehäuses, in dem die Netzspannung von 230 V im Elektroherd bereitgestellt sind, günstigerweise auf den rückwärtigen Bereich des Elektroherdes hinter der Backofenmuffelrückwand begrenzt. Alternativ zu der Niederspannungsleitung kann die Kommunikation zwischen der Steuereinheit und der Bedieneinheit auch über eigene Datenbusleitungen, Lichtleitertechnik oder Funk- bzw. Infrarotübertragung erfolgen. According to a preferred embodiment, the control unit with the operating unit only connected via a low-voltage line. The one required for the control unit Low voltage is already generated in the area of the control unit, whereby the structure of the switch front or the control unit with regard to touchable parts, can accept the electrical voltage, can be simplified. The 3mm separation of the electric cooker when switching off takes place in the control unit or in the circuit breaker unit. Provided that the 230 V consumer connections in particular those of the heating elements are also arranged in the rear area of the electric cooker are the spatial area within the housing in which the mains voltage of 230 V are provided in the electric cooker, favorably on the rear Area of the electric cooker limited behind the back of the oven muffle. alternative communication between the control unit to the low-voltage line and the control unit also via its own data bus lines, fiber optic technology or radio or infrared transmission.
Zur Verringerung der Leitungsanzahl und damit des Kabelbaums sind der Steuereinheit und der Bedieneinheit Modulations- und Demodulationseinheiten zugeordnet. Diese stellen die Kommunikation zwischen den beiden Einheiten auf beispielsweise einer ohnehin vorhandenen Netzspannungs- oder Niederspannungsleitung sicher.The control unit is used to reduce the number of lines and thus the wiring harness and the control unit assigned modulation and demodulation units. These put the communication between the two units on, for example, one already existing mains voltage or low voltage line safely.
Besonders montage- und kostenfreundlich ist es, wenn die elektrischen Anschlüsse der Heizelemente auch an der Rückwand der Backofenmuffel angeordnet sind.It is particularly easy to assemble and cost if the electrical connections the heating elements are also arranged on the rear wall of the oven muffle.
Besonders hohe Backofenmuffeln und damit ein besonders großes Garraumvolumen ist möglich, wenn die Bedieneinheit - wie oben beschrieben ohne Steuereinheit und ohne Netzteil - aufgebaut ist, und die Steuer- sowie die Leistungsschaltereinheit im Bereich der Netzanschlußklemme angeordnet sind. Die Bedieneinheit kann nämlich sehr flach realisiert werden, wenn sie lediglich flache Bedien- und Anzeigeelemente aufweist.Particularly high oven muffle and thus a particularly large cooking space volume is possible if the control unit - as described above without control unit and without power supply - is built, and the control and circuit breaker unit in the area the power supply terminal are arranged. The control unit can do a lot can be realized flat if it only has flat operating and display elements.
Nachfolgend ist anhand einer schematischen Darstellung ein Ausführungsbeispiel des erfindungsgemäßen Elektroherdes beschrieben.An exemplary embodiment of the Electric cooker according to the invention described.
In der Figur ist in perspektivischer Ansicht von hinten ein Backofen 1 stark vereinfacht
gezeigt. Bei einem metallischen Gehäuse 3 des Backofens 1 ist zur übersichtlichen
Darstellung die Deckwand und die Rückwand weggelassen sowie eine Seitenwand
und die Bodenwand nur teilweise dargestellt. Unterhalb einer an sich bekannten
Frontblende 5 mit Anzeige- und Bedienelementen des Backofens 1 ist in dem Gehäuse
3 eine an sich bekannte Backofenmuffel 7 gehaltert. Diese ist frontseitig offen und
durch eine nicht gezeigte Backofentür verschließbar. Auch die thermische Isolation der
Backofenmuffel 7 ist aus Vereinfachungsgründen nicht dargestellt. An der Rückseite
der Frontblende 5 ist eine Bedienkonsole 9 befestigt. Diese weist die an sich bekannten
Bedien- und Anzeigeelemente des Backofens 1 auf. An der Rückwand der Backofenmuffel
7 ist ein Steuergehäuse 11 befestigt. Zu diesem Steuergehäuse 11 führen
zum einen eine Netzanschlußleitung 13 des elektrischen Hausnetzes, eine Niederspannungs-Verbindungsleitung
15 zur Bedienkonsole 9, sowie Heizelement-Leitungen
17 zu elektrischen Anschlußstellen an der Rückwand der Backofenmuffel 7. In dem
Steuergehäuse 11 sind als eine elektrische Baueinheit eine Steuereinheit 19, eine
Leistungsschaltereinheit 21 und eine Netzanschlußklemme 23 vorgesehen. Das Steuergehäuse
11 ist in einem kühlen Bereich des Gehäuses 3 des Backofens 1 entsprechend
den Sicherheitsanforderungen an die Netzanschlußklemme 23 angeordnet. Die
elektrischen Verbindungen zwischen der Netzanschlußklemme 23, der Steuereinheit
19 und der Leistungsschaltereinheit 21 sind innerhalb des Steuergehäuses 11 zum
Teil auf gemeinsamen Leiterplatten realisiert.In the figure, an
Entsprechend den an der Bedienkonsole 9 vorgegebenen Betriebsparametem für den
Backofen 1 steuert die Steuereinheit 19 die Leistungsschaltereinheit 21. Dadurch werden
die an den Heizelement-Leitungen 17 angeschlossenen an sich bekannten Heizkörper
des Backofens 1 leistungsmäßig gesteuert. Zur Kommunikation zwischen der
Bedienkonsole 9 und der Steuereinheit 19 ist im Steuergehäuse 11 eine erste Modulations-/Demodulationseinheit
25 und in der Bedienkonsole 9 eine zweite Modulations-/Demodulationseinheit
vorgesehen. Die jeweiligen Kommunikationssignale werden in
die zur Versorgung der Anzeige- und Bedienelemente der Bedienkonsole 9 ohnehin
vorhandene Niederspannungs-Verbindungsleitung 15 eingespeist bzw. von dieser gelesen.According to the operating parameters specified on the
Claims (7)
- Electric oven or baking oven with a baking oven muffle which is heatable by electrical heating elements, with an operating unit, a control unit and an electrical power switching unit, which are interconnected for switching the heating elements to a mains voltage supply line which is connected to a mains terminal mounted in the rearward region of the electric oven, characterised in that the control unit (19) is arranged in the region of the back wall of the baking oven muffle (7).
- Electric oven according to claim 1, characterised in that the control unit (19) is arranged in the immediate proximity of the mains connection terminal (23) and, in particular, forms a constructional unit therewith.
- Electric oven according to claim 1 or 2, characterised in that the power switching unit (21) is arranged in the region of the control unit (19) and the mains connection terminal (23).
- Electric oven according to one of the preceding claims, characterised in that the control unit (19) is connected with the operating unit (9) merely by way of a low-voltage line (15).
- Electric oven according to one of the preceding claims, characterised in that modulation and demodulation units (25, 27) are associated with the control unit (19) and the operating unit (9) and feed in and take out, between the two units, signals, which are to be exchanged, on connecting lines (15).
- Electric oven according to one of the preceding claims, characterised in that the electrical connections of the heating elements are arranged at the back wall of the baking oven muffle (7).
- Electric oven, in which the installation height of the operating unit determines the spacing between the top wall of the housing and the top wall of the baking oven muffle, according to one of the preceding claims, characterised in that this spacing amounts to less than approximately 5 cm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19809558A DE19809558C2 (en) | 1998-03-05 | 1998-03-05 | Electric cooker with control unit and mains connector |
| DE19809558 | 1998-03-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0943869A2 EP0943869A2 (en) | 1999-09-22 |
| EP0943869A3 EP0943869A3 (en) | 1999-11-10 |
| EP0943869B1 true EP0943869B1 (en) | 2003-07-02 |
Family
ID=7859890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99104381A Expired - Lifetime EP0943869B1 (en) | 1998-03-05 | 1999-03-04 | Electric range with a control device and supply terminals |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0943869B1 (en) |
| DE (2) | DE19809558C2 (en) |
| ES (1) | ES2202943T3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10080343B3 (en) * | 1999-01-18 | 2014-08-28 | The Furukawa Electric Co., Ltd. | Electrical installation for a seat device |
| DE10315773A1 (en) * | 2003-04-07 | 2004-11-11 | BSH Bosch und Siemens Hausgeräte GmbH | Display unit for a household appliance |
| DE10345198B4 (en) * | 2003-09-29 | 2019-03-07 | BSH Hausgeräte GmbH | Module for controlling a hob |
| CN100414180C (en) * | 2006-08-11 | 2008-08-27 | 刘文斌 | Inserting electromagnetic oven |
| DE102013110975B4 (en) * | 2013-03-19 | 2015-11-05 | Hanning Elektro-Werke Gmbh & Co. Kg | Control for a cooking appliance |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3308826A1 (en) * | 1983-03-12 | 1984-09-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Electric oven with several electrical heating and cooking places |
| DE3404211A1 (en) * | 1984-02-07 | 1985-08-08 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Electrical domestic apparatus having a mains power supply |
| DE3613263A1 (en) * | 1986-04-19 | 1987-10-22 | Werner Mueller | Operation protection device for an electrical domestic appliance |
| DE3913639A1 (en) * | 1989-04-26 | 1990-10-31 | Licentia Gmbh | Modular wiring system for domestic dishwashing machine - has ribbon cables and distribution circuit board supplying each load |
| DE4323919A1 (en) * | 1993-07-16 | 1995-01-19 | Licentia Gmbh | Method for calibration of the core temperature in the oven muffle of an electrical baking and roasting oven |
| DE9400564U1 (en) * | 1994-01-14 | 1994-03-03 | Wiesheu Gmbh | Device for the heat treatment of food |
| DE4403331A1 (en) * | 1994-02-03 | 1995-08-10 | Zubler Geraetebau | Mfg., thawing and flavouring food prods. |
-
1998
- 1998-03-05 DE DE19809558A patent/DE19809558C2/en not_active Expired - Lifetime
-
1999
- 1999-03-04 DE DE59906141T patent/DE59906141D1/en not_active Expired - Lifetime
- 1999-03-04 EP EP99104381A patent/EP0943869B1/en not_active Expired - Lifetime
- 1999-03-04 ES ES99104381T patent/ES2202943T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2202943T3 (en) | 2004-04-01 |
| EP0943869A3 (en) | 1999-11-10 |
| DE59906141D1 (en) | 2003-08-07 |
| DE19809558C2 (en) | 2001-02-22 |
| EP0943869A2 (en) | 1999-09-22 |
| DE19809558A1 (en) | 1999-09-16 |
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