EP0016329B1 - Circuit pour enclancher de manière graduée le temps de fermeture du circuit de chauffage d'un appareil électrique - Google Patents
Circuit pour enclancher de manière graduée le temps de fermeture du circuit de chauffage d'un appareil électrique Download PDFInfo
- Publication number
- EP0016329B1 EP0016329B1 EP19800100602 EP80100602A EP0016329B1 EP 0016329 B1 EP0016329 B1 EP 0016329B1 EP 19800100602 EP19800100602 EP 19800100602 EP 80100602 A EP80100602 A EP 80100602A EP 0016329 B1 EP0016329 B1 EP 0016329B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- switching
- switched
- power switches
- switching arrangement
- 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
Links
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
- H05B1/0266—Cooktops
-
- 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
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
- F24C15/102—Tops, e.g. hot plates; Rings electrically heated
- F24C15/106—Tops, e.g. hot plates; Rings electrically heated electric circuits
Definitions
- the invention relates to a switching device for the graded on-time of heating an electrical device, in particular an electric hotplate, with a multiple contact switch designed as a 7-stroke switch.
- an electrical shaft device for switching on different power levels for an electric hotplate which is equipped with at least three heating resistors.
- the individual power levels are achieved with this electric hotplate via a 7-step switch by series, parallel or individual connection of the heating resistors.
- the lower power levels are achieved by series connection, while the higher power levels are achieved by connecting the three heating resistors individually or in parallel.
- a control device for electric hotplates with a single heating resistor is known from DE-B2-2 557 133, which is directly connected to the power supply up to a certain hotplate temperature and which then, when this temperature is reached, by opening a temperature-dependent switch via a power control cycle Heating power is applied.
- the invention seeks to remedy this.
- the invention as characterized in the claims, solves the problem of creating a switching device for the gradual on-time of heating an electrical device, so that with a multi-contact switch designed as a 7-stroke switch, different powers can be controlled even with a hotplate with a single heating resistor.
- the advantages achieved by the invention are essentially to be seen in the fact that, based on the multiple-contact switch designed as a 7-stroke switch, the cyclic circuit breaker in a simple manner has different powers with a so-called.
- Single-circuit heating is made possible by a graduated on-time, so that, apart from the reduction in price compared to the bimetal controller, the 7-stroke switch, which is otherwise only intended for multi-circuit heating, can also be used here. This results in simplified and cost-saving storage for production.
- connection terminals for a three-phase network are designated 1 to 5.
- the phases R, S, Tw are connected to the connection terminals 1, 2, 3, and the center conductor MP is connected to the connection terminals 4 and 5.
- a star-delta connection including a single-phase version, can be carried out in the usual way.
- a single heating resistor 6 is assigned to each of the four hotplates (not shown), two heating resistors from two hotplates being connected in parallel, and a parallel connection between terminals 1 and 5 and 2 and 5.
- An oven heater not shown, can be placed on terminals 3 and 4.
- the heating resistors 6 are connected to the output terminals S6, S8 of multiple contact switches 7 designed as 7-cycle switches.
- the input terminals S1 to S5 of the multiple contact switch 7 are connected directly to the mains voltage in one circuit via one of the input terminals S4 and are connected in other circuits to the phase conductors R, S and the center conductor MP via cyclic circuit breakers 8.
- the circuit breakers 8 consist of switching contacts actuating cam disks which are driven by a geared motor M. Instead of the geared motor, an oscillating drive in the form of a bimetal switch or an oscillating armature can also be used.
- the geared motor M is directly in phase with a display lamp 9 connected in parallel and the multiple contact switch 7 is in contact with the center conductor MP via the output terminals S7 connected in parallel.
- FIG 2 the closing diagram of the contacts of a multiple contact switch 7 is shown.
- the contacts are labeled a to f.
- the contact c is closed in every position and applies voltage to the motor M and the signal lamp 9.
- contacts b and e are closed, the heating resistor 6 is connected directly to the mains voltage.
- the contacts are arranged in such a way that a heating output corresponding to an operating time of 8 to 60% is achieved by closing two further contacts to contact c.
- Figure 3 shows the relative assignment of the switching cams to the extent of the cam switching.
- the switching cams can be arranged on a common roller or separate disks.
- the duty cycle of 12% and 8% results from the overlap of the cams for 60%, 40% and 40%, 16%.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Resistance Heating (AREA)
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2907340 | 1979-02-24 | ||
DE19792907340 DE2907340C2 (de) | 1979-02-24 | 1979-02-24 | Elektroheizgerät zur stufenweisen Steuerung der Beheizung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0016329A1 EP0016329A1 (fr) | 1980-10-01 |
EP0016329B1 true EP0016329B1 (fr) | 1982-11-10 |
Family
ID=6063878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19800100602 Expired EP0016329B1 (fr) | 1979-02-24 | 1980-02-06 | Circuit pour enclancher de manière graduée le temps de fermeture du circuit de chauffage d'un appareil électrique |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0016329B1 (fr) |
DE (1) | DE2907340C2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3209921A1 (de) * | 1982-03-18 | 1983-10-27 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Einrichtung zur leistungsschaltung bei elektrischen kochplatten |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2815428A (en) * | 1954-11-01 | 1957-12-03 | Gen Motors Corp | Domestic appliances |
DE1138488B (de) * | 1960-12-29 | 1962-10-25 | Ernst Dreefs G M B H | Einrichtung fuer elektrische Heizgeraete, insbesondere fuer elektrische Kochgeraete |
DE1538338B2 (fr) * | 1966-06-02 | 1970-04-02 | ||
DE1565498C3 (de) * | 1966-08-03 | 1974-07-18 | Fa. Diehl, 8500 Nuernberg | Einrichtung zur Leistungsregelung in Heiz- und Kochgeräten mit mehreren Verbrauchern |
DE1615213A1 (de) * | 1967-06-21 | 1971-01-14 | Diehl Fa | Einrichtung zur Leistungsregelung in Heiz- und Kochgeraeten |
DE2105638B2 (de) * | 1971-02-06 | 1973-09-06 | EGO Elektro-Gerate Blanc u Fi scher, 7135 Oberderdingen | Elektrischer schalter zur stufenweisen steuerung von elektrogeraeten |
DE2150703A1 (de) * | 1971-10-12 | 1973-04-19 | Bbc Brown Boveri & Cie | Intervallsteuereinrichtung zur stufenlosen steuerung mehrerer verbraucher |
DE2557133C3 (de) * | 1975-12-18 | 1978-08-24 | Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart | Anordnung zur Leistungsregelung elektrischer Kochplatten |
-
1979
- 1979-02-24 DE DE19792907340 patent/DE2907340C2/de not_active Expired
-
1980
- 1980-02-06 EP EP19800100602 patent/EP0016329B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0016329A1 (fr) | 1980-10-01 |
DE2907340A1 (de) | 1980-09-04 |
DE2907340C2 (de) | 1984-01-12 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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Effective date: 19801217 |
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AK | Designated contracting states |
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ET | Fr: translation filed | ||
KL | Correction list |
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RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: BOSCH-SIEMENS HAUSGERAETE GMBH STUTTGART |
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