EP0718742B1 - Régulation de puissance pour consommateurs électriques cadencés - Google Patents

Régulation de puissance pour consommateurs électriques cadencés Download PDF

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Publication number
EP0718742B1
EP0718742B1 EP95117858A EP95117858A EP0718742B1 EP 0718742 B1 EP0718742 B1 EP 0718742B1 EP 95117858 A EP95117858 A EP 95117858A EP 95117858 A EP95117858 A EP 95117858A EP 0718742 B1 EP0718742 B1 EP 0718742B1
Authority
EP
European Patent Office
Prior art keywords
power
control
cooking
heaters
cooking place
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
Application number
EP95117858A
Other languages
German (de)
English (en)
Other versions
EP0718742A3 (fr
EP0718742A2 (fr
Inventor
Manfred Dipl.-Ing. Plankl
Ralf Dipl.-Ing. Schneider (Fh)
Günther Dipl.-Ing. Wittauer (FH)
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0718742A2 publication Critical patent/EP0718742A2/fr
Publication of EP0718742A3 publication Critical patent/EP0718742A3/fr
Application granted granted Critical
Publication of EP0718742B1 publication Critical patent/EP0718742B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/66—Regulating electric power

Definitions

  • the invention relates to a power control for Cooking area heaters on the public power supply network, who mainly work in cyclical operation.
  • a performance control is e.g. B. is known from US-A-5 293 028.
  • this period should be relatively short. This is increasing with Switching power through the flicker rate described above limited. Especially with large switching capacities, the period is which is still allowed, very long.
  • the object of the invention is therefore the power control the flicker value conditions for hotplate heating adapt.
  • the arrangement according to the invention for solving this problem is characterized in that a hob control the power supply for the hotplate heaters according to the Operating conditions for public power supply networks controlled controls, with boundary conditions, for example Network feedback effects can be avoided by regulating the Control of the hotplate heaters varies according to the period controls and that the hob heaters with at least two preferred cycle periods be power-controlled, the period becoming shorter with increasing power.
  • Cooking area heaters whose power consumption is strongly temperature-dependent is conditional with less input power because of the high inrush currents compared to operation with nominal power, much longer period.
  • Such hotplate heaters are, for example, halogen hotplate heaters. Is it a halogen hotplate radiant heater, then it cools through the short in and long Time out strongly and thus remains low-impedance, which is when switching on again results in high power consumption, combined with large flicker values.
  • the figure shows a basic arrangement of a clock-controlled Consumer circuit.
  • a controller 1 input elements 2, operated by the controller View 3, a power controller 4 and that of the Control via the power controller 4 controlled consumers 5 shown.
  • the controller 1 can by Input elements are selected on the input side so that they decoded a time performance profile and accordingly over the power controller 4, which is usually a power relay is controlled and tailored to the consumer Delivers power.
  • It is common for control also displays operated via the selected program removable, the state of the progress program is displayed and the end of an operation is signaled.
  • the consumer is a stove heater for household appliances, e.g. cooking surfaces, then these heaters are at least two preferred clock periods controlled by the power control controllable.
  • the control leads the electrical Performance depending on the physical properties the selected radiator, with the control for hobs depending on the selected power levels Controls energy and optimizes the power cycle variable power-on period up to the permissible Network feedback limit optimized.
  • the heaters, aforementioned Concerning hobs can be conventional Radiant heat sources or halogen radiant heat sources his.
  • a power controller according to the invention varies the period of the power control. With increasing Performance is shorter the period.
  • anyone can do this adjustable power level become necessary. In the It is usually sufficient to have two different periods to use longer periods with small outputs and shorter period for medium and large Services. For cooking purposes, experience has shown that finer gradations no longer bring great advantages.
  • the invention is by a power control according to claim 1 realized, but it can also depend on the power setting a number of switchable time modules be arranged, which realize a digital time control.
  • the time control can advantageously be hardware-based be carried out, for example by a special ASIC, but it can also have hardware-related programming steps the time control can be realized.
  • the invention advantageously takes into account that Services that have been taxed in by a few percent of the total despite longer periods, e.g. about 2 Minutes, the switch-on time is only a few seconds.
  • This short power surges are caused by the thermal inertia of the hot plates evenly so even that this does not have a negative effect on the food to be heated. Amplitudes of some degrees of temperature are for the heat range harmless and do not negatively affect the cooking result. For larger performances in the cooking business, these would be increasing Power surges but harmful, because larger amplitudes in the Exclude cooking mode from even cooking.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Resistance Heating (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Claims (5)

  1. Régulation de puissance pour chauffages de points de cuisson raccordés au réseau public d'alimentation en courant et travaillant principalement en fonctionnement cadencé, caractérisée en ce qu'une régulation de points de cuisson (1) régule de manière contrôlée l'apport de puissance aux chauffages de points de cuisson (5) en fonction des conditions d'exploitation des réseaux publics d'alimentation en courant, des conditions limites, par exemple des effets de retour sur le réseau, étant évitées par la régulation par le fait que la régulation régule les chauffages des points de cuisson en variant la durée des périodes, et en ce que la puissance des chauffages des points de cuisson est régulée avec au moins deux périodes préférées de cadençage, la durée des périodes diminuant lorsque la puissance augmente.
  2. Régulation de puissance selon la revendication 1, caractérisée en ce que la régulation (1) apporte la puissance électrique aux chauffages de points de cuisson en fonction des propriétés physiques des corps de chauffe sélectionnés.
  3. Régulation de puissance selon la revendication 1, caractérisée en ce que la régulation (1) régule de manière optimisée en termes d'énergie les chauffages électriques des champs de cuisson en fonction d'étages de puissance présélectionnés, le cadençage de la puissance étant optimisé en modifiant la durée des périodes de branchement de la puissance jusqu'à la limite admissible des effets en retour sur le réseau.
  4. Régulation de puissance selon la revendication 1, caractérisée en ce que la régulation (1) optimise le cadençage de la puissance de chauffe de champs de cuisson qui sont des sources classiques de chauffage radiant.
  5. Régulation de puissance selon la revendication 1, caractérisée en ce que la régulation (1) optimise le cadençage de la puissance de chauffe de champs de cuisson qui possèdent des sources de chaleur par rayonnement à halogène.
EP95117858A 1994-12-20 1995-11-13 Régulation de puissance pour consommateurs électriques cadencés Expired - Lifetime EP0718742B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4445559A DE4445559A1 (de) 1994-12-20 1994-12-20 Leistungssteuerung für getaktete elektrische Verbraucher
DE4445559 1994-12-20

Publications (3)

Publication Number Publication Date
EP0718742A2 EP0718742A2 (fr) 1996-06-26
EP0718742A3 EP0718742A3 (fr) 1997-12-17
EP0718742B1 true EP0718742B1 (fr) 2001-10-10

Family

ID=6536437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117858A Expired - Lifetime EP0718742B1 (fr) 1994-12-20 1995-11-13 Régulation de puissance pour consommateurs électriques cadencés

Country Status (3)

Country Link
EP (1) EP0718742B1 (fr)
DE (2) DE4445559A1 (fr)
ES (1) ES2167398T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19941299A1 (de) * 1999-08-31 2001-03-01 Eckhard Wahl Steuerung der Wärmeregelung einer Kochplatte am E-Herd mit elektronischem Zeitschaltglied, kombiniert mit Wärmefühler
US7478367B2 (en) 2005-01-11 2009-01-13 International Business Machines Corporation Dynamic source code analyzer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2064239A (en) * 1979-11-23 1981-06-10 Thorn Domestic Appliances Ltd Power supply for electric cooker
GB2153555B (en) * 1984-01-26 1987-07-22 Thorn Emi Domestic Appliances Temperature control of heating apparatus
DE3539581A1 (de) * 1985-11-08 1987-05-21 Philips Patentverwaltung Verfahren zum steuern mehrerer elektrischer lasten
US5293028A (en) * 1987-01-05 1994-03-08 General Electric Company Cooktop appliance with improved power control
DE9314747U1 (de) * 1993-09-30 1994-02-10 Rowenta Werke Gmbh Elektrische Schaltungsanordnung zur flickernormkonformen und netzrückwirkungsfreien Heizleistungssteuerung von Heizwiderständen elektrischer Haushaltsgeräte, insbesondere elektrischer Brotröster

Also Published As

Publication number Publication date
EP0718742A3 (fr) 1997-12-17
DE4445559A1 (de) 1996-06-27
ES2167398T3 (es) 2002-05-16
DE59509682D1 (de) 2001-11-15
EP0718742A2 (fr) 1996-06-26

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