EP0868110A1 - Flickerminimiertes Ansteuerverfahren für mindestens ein Heizelement eines netzbetriebenen Wärmegerätes - Google Patents
Flickerminimiertes Ansteuerverfahren für mindestens ein Heizelement eines netzbetriebenen Wärmegerätes Download PDFInfo
- Publication number
- EP0868110A1 EP0868110A1 EP98105522A EP98105522A EP0868110A1 EP 0868110 A1 EP0868110 A1 EP 0868110A1 EP 98105522 A EP98105522 A EP 98105522A EP 98105522 A EP98105522 A EP 98105522A EP 0868110 A1 EP0868110 A1 EP 0868110A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- waves
- period
- power
- heating element
- polarity
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010586 diagram Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
Images
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
- H05B1/0288—Applications for non specified applications
- H05B1/0291—Tubular elements
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/22—Helmets with hot air supply or ventilating means, e.g. electrically heated air current
- A45D20/30—Electric circuitry specially adapted for hair drying devices
Definitions
- the invention relates to a control method according to the Genus of the preamble of claim 1 and the Claim 3.
- heating resistor in series switch one sensitive influencing of the temperature of the dispensed Warm air depending on an adjustable setpoint possible.
- the switch is used in a known manner controlled by a pulse packet controller.
- the ones from The heating power emitted by the heating resistor is pulsed activation of the switch, generally one Triac, set in the voltage zero crossing. Since that Any ratio of pulse lengths to pulse pauses can be selected, the heating output in this way between zero and the maximum by the radiator feasible performance can be varied almost arbitrarily.
- the object of the present invention is therefore a to create a flicker-minimized triggering process that simple measures keeping an undivided Radiator allowed, but optionally also in systems with divided heating strands can be used.
- the invention is based on several exemplary embodiments described in more detail.
- Figure 1 shows a basic block diagram of a Flicker-minimized power control using electronic switch for at least one heating element a network-operated heating device, wherein a Microcontroller by means of a zero crossing detection of the Network half-waves detects positive and negative half-waves and a circuit breaker with corresponding half-wave pulse packets controls. Via a power setting facility a certain performance can be specified.
- FIG. 2 A basic block diagram of a temperature-dependent (regulated) power control is shown in FIG. 2, wherein a temperature setpoint is specified, which by means one thermally coupled to the heating element Temperature sensor detected actual temperature from Microcontroller is compared and the circuit breaker controlled with appropriate pulse packets.
- the power control method in a first exemplary embodiment is described in more detail using the example of seven pulse packets 2, 3, 11-14, 21.
- the power per period T is controlled by the size of pulse packets 1-21.
- the pulse packets 1-21 consist of a series of network half-waves A, B, C, the half-waves A, B of a first polarity in the same number being arranged in succession depending on the power at the beginning and end of the period T.
- the pulse packet 12-21 is assigned further half waves C of a second polarity in succession depending on a further power, the polarities of the network half waves A, B, C being exchanged cyclically after each period T. Cyclical swapping has the advantage that the network is loaded with few DC components.
- 21 power levels from 0% to 100% are possible, as the following table shows.
- the half-waves C can - as shown - in the middle as well be arranged at the beginning or end of the period T.
- the power control method is described in more detail in a second exemplary embodiment, using the example of seven pulse packets 2 ', 3', 11'-14 ', 21'.
- the power per period T is controlled via the size of pulse packets 1'-21 '.
- the pulse packets 1'-21 ' consist of a series of network half-waves D, E, the half-waves D of a first polarity at the beginning of the period T and the half-waves E of a second polarity at the end of the period T being arranged in succession in equal numbers depending on the power .
- the 21 pulse packets 1'-21 '(corresponding to 21 power levels) only the pulse packets 2', 3 ', 11'-14' and 21 'are shown here.
- the corresponding 21 power levels could be controlled manually by means of a corresponding step switch or the like via a microcontroller, or a temperature control according to FIG. 2 could optionally be provided. After the selected period T, the 21 power levels (0% to 100%) are built up in 5% power steps, which is shown in the following table.
- the half-waves D, E - each after further power - in corresponding full waves about.
- the resulting DC component is at its maximum permissible value incorporated in the standard EN 61000-3-2 and may be a maximum of approx. 1160 W with pure half-wave control be.
- the direct current load of Contacts u. reduced.
- FIG. 5 shows two successive periods T 1 and T 2 with two identical pulse packets 13 ', 13' (FIG. 4), a full-wave jump X occurring here when the period changes, which is avoided in a further development of the invention according to FIG. 6 (as well as the duration of half-waves of the same polarity) that the polarities of the half-waves D ', E' are cyclically exchanged after each period T 1 (T 1 , T 2 etc.).
- a first heating element with the first and a second heating element with the second polarity of half-waves A, B, C or D, E be applied, or that a first heating element be cyclically applied with the first period T 1 and a second heating element with the second period T 2 is applied.
- the power process is integrated in a temperature control, and a heat treatment device for head hair can be provided as the heating device.
Landscapes
- Control Of Resistance Heating (AREA)
- Central Heating Systems (AREA)
Abstract
Description
- Figur 1
- ein Blockschaltbild einer Leistungssteuerung;
- Figur 2
- ein Blockschaltbild einer Temperaturregelung,
- Figur 3
- verschiedene Pulspakete eines ersten Ausführungsbeispiels;
- Figur 4
- verschiedene Pulspakete eines zweiten Ausführungsbeispiels, und
- Figur 5-7
- jeweils zwei aufeinanderfolgende Pulspakete.
| Halbwellen | Leistung in % | Pulspaket | ||
| A | B | C | ||
| 0 | 0 | 0 | 0 | 1 |
| 1 | 1 | 0 | 5 | 2 |
| 2 | 2 | 0 | 10 | 3 |
| 3 | 3 | 0 | 15 | 4 |
| 4 | 4 | 0 | 20 | 5 |
| 5 | 5 | 0 | 25 | 6 |
| 6 | 6 | 0 | 30 | 7 |
| 7 | 7 | 0 | 35 | 8 |
| 8 | 8 | 0 | 40 | 9 |
| 9 | 9 | 0 | 45 | 10 |
| 10 | 10 | 0 | 50 | 11 |
| 10 | 10 | 2 | 55 | 12 |
| 10 | 10 | 4 | 60 | 13 |
| 10 | 10 | 6 | 65 | 14 |
| 10 | 10 | 8 | 70 | 15 |
| 10 | 10 | 10 | 75 | 16 |
| 10 | 10 | 12 | 80 | 17 |
| 10 | 10 | 14 | 85 | 18 |
| 10 | 10 | 16 | 90 | 19 |
| 10 | 10 | 18 | 95 | 20 |
| 10 | 10 | 20 | 100 | 21 |
| Halbwellen | Leistung in % | Pulspaket | |
| D | E | ||
| 0 | 0 | 0 | 1' |
| 1 | 1 | 5 | 2' |
| 2 | 2 | 10 | 3' |
| 3 | 3 | 15 | 4' |
| 4 | 4 | 20 | 5' |
| 5 | 5 | 25 | 6' |
| 6 | 6 | 30 | 7' |
| 7 | 7 | 35 | 8' |
| 8 | 8 | 40 | 9' |
| 9 | 9 | 45 | 10' |
| 10 | 10 | 50 | 11' |
| 11 | 11 | 55 | 12' |
| 12 | 12 | 60 | 13' |
| 13 | 13 | 65 | 14' |
| 14 | 14 | 70 | 15' |
| 15 | 15 | 75 | 16' |
| 16 | 16 | 80 | 17' |
| 17 | 17 | 85 | 18' |
| 18 | 18 | 90 | 19' |
| 19 | 19 | 95 | 20' |
| 20 | 20 | 100 | 21' |
Claims (8)
- Flickerminimiertes Leistungssteuerungsverfahren mittels elektronischer Schalter für mindestens ein Heizelement eines netzbetriebenen Wärmegeräts,
dadurch gekennzeichnet,daß die Leistung pro Periode (T) über die Größe von Pulspaketen (1-21) gesteuert wird,daß die Pulspakete (1-21) aus einer Reihe von Netzhalbwellen (A, B, C) bestehen, wobei die Halbwellen (A, B) einer ersten Polarität in gleicher Anzahl in Abhängigkeit von der Leistung anfangs- und endseitig der Periode (T) aufeinanderfolgend angeordnet sind,daß dem Pulspaket (12-21) über 50 % Leistungssteuerung in Abhängigkeit von einer weiteren Leistung weitere Halbwellen (C) einer zweiten Polarität aufeinanderfolgend zugeordnet werden, unddaß die Polaritäten der Netzhalbwellen (A, B, C) nach jeder Periode (T) zyklisch getauscht werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß die Halbwellen (C) der zweiten Polarität im wesentlichen mittig der Periode (T) angeordnet werden. - Flickerminimiertes Leistungssteuerungsverfahren mittels elektronischer Schalter für mindestens ein Heizelement eines netzbetriebenen Wärmegeräts,
dadurch gekennzeichnet,daß die Leistung pro Periode (T) über die Größe von Pulspaketen (1'-21') gesteuert wird, unddaß die Pulspakete (1'-21') aus einer Reihe von Netzhalbwellen (D, E) bestehen, wobei die Halbwellen (D) einer ersten Polarität anfangsseitig der Periode (T) und die Halbwellen (E) einer zweiten Polarität endseitig der Periode (T) in gleicher Anzahl in Abhängigkeit von der Leistung aufeinanderfolgend angeordnet sind. - Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß die Polaritäten der Halbwellen (D, E) nach jeder Periode (T) zyklisch getauscht werden.
- Verfahren nach Anspruch 1 oder Anspruch 3, dadurch gekennzeichnet, daß ein erstes Heizelement mit der ersten und ein zweites Heizelement mit der zweiten Polarität von Halbwellen (A, B, C) bzw. (D, E) beaufschlagt wird.
- Verfahren nach Anspruch 1 oder Anspruch 3, dadurch gekennzeichnet, daß zyklisch ein erstes Heizelement mit der ersten Periode (T1) und ein zweites Heizelement mit der zweiten Periode (T2) beaufschlagt wird.
- Verfahren nach Anspruch 1 oder Anspruch 3, dadurch gekennzeichnet, daß das Leistungssteuerungsverfahren in einer Temperaturregelung integriert ist.
- Verfahren nach Anspruch 1 oder Anspruch 3, dadurch gekennzeichnet, daß als Wärmegerät ein Wärmebehandlungsgerät für Kopfhaar vorgesehen ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19731877 | 1997-03-26 | ||
| DE19731877 | 1997-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0868110A1 true EP0868110A1 (de) | 1998-09-30 |
| EP0868110B1 EP0868110B1 (de) | 2004-08-04 |
Family
ID=7836779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98105522A Expired - Lifetime EP0868110B1 (de) | 1997-03-26 | 1998-03-26 | Flickerminimiertes Ansteuerverfahren für mindestens ein Heizelement eines netzbetriebenen Wärmegerätes |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0868110B1 (de) |
| DE (2) | DE19813421A1 (de) |
| ES (1) | ES2226021T3 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004019726A1 (en) * | 2002-08-28 | 2004-03-11 | Davies, Paul, R. | Hair dryer with improved heating power control and circuits therefor |
| US6805977B2 (en) | 2001-08-29 | 2004-10-19 | Fujitsu Limited | Condensed eight-ring aromatic compound, and organic EL element and organic EL display using the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010010316A1 (de) | 2010-03-04 | 2010-09-02 | SEVERIN ELEKTROGERÄTE GmbH | Verfahren zur Leistungssteuerung der Heizleistung bei netzbetriebenen Haushaltsgeräten |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3240099A1 (de) * | 1982-10-29 | 1984-05-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum steuern oder regeln nach dem schwingungspaketsteuerungsprinzip und einrichtung zur durchfuehrung des verfahrens |
| DE3903978A1 (de) * | 1989-02-10 | 1990-08-16 | Imp Werke Gmbh | Lichtkochstelle mit mindestens zwei infrarotroehren |
-
1998
- 1998-03-26 DE DE19813421A patent/DE19813421A1/de not_active Withdrawn
- 1998-03-26 DE DE59811729T patent/DE59811729D1/de not_active Expired - Lifetime
- 1998-03-26 ES ES98105522T patent/ES2226021T3/es not_active Expired - Lifetime
- 1998-03-26 EP EP98105522A patent/EP0868110B1/de not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3240099A1 (de) * | 1982-10-29 | 1984-05-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum steuern oder regeln nach dem schwingungspaketsteuerungsprinzip und einrichtung zur durchfuehrung des verfahrens |
| DE3903978A1 (de) * | 1989-02-10 | 1990-08-16 | Imp Werke Gmbh | Lichtkochstelle mit mindestens zwei infrarotroehren |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6805977B2 (en) | 2001-08-29 | 2004-10-19 | Fujitsu Limited | Condensed eight-ring aromatic compound, and organic EL element and organic EL display using the same |
| WO2004019726A1 (en) * | 2002-08-28 | 2004-03-11 | Davies, Paul, R. | Hair dryer with improved heating power control and circuits therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0868110B1 (de) | 2004-08-04 |
| ES2226021T3 (es) | 2005-03-16 |
| DE19813421A1 (de) | 1998-10-01 |
| DE59811729D1 (de) | 2004-09-09 |
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