DE1176293B - Electric wire heating element, especially for hair dryers - Google Patents
Electric wire heating element, especially for hair dryersInfo
- Publication number
- DE1176293B DE1176293B DEL36543A DEL0036543A DE1176293B DE 1176293 B DE1176293 B DE 1176293B DE L36543 A DEL36543 A DE L36543A DE L0036543 A DEL0036543 A DE L0036543A DE 1176293 B DE1176293 B DE 1176293B
- Authority
- DE
- Germany
- Prior art keywords
- heating wire
- heating element
- wire
- heating
- flow
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims description 34
- 238000004804 winding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 2
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
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
Landscapes
- Cleaning And Drying Hair (AREA)
Description
Elektrisches Drahtheizelement, insbesondere für Haartrockner Die Erfindung bezieht sich auf ein elektrisches Drahtheizelement, insbesondere für Haartrockner, mit zur unmittelbaren Erwärmung eines von einem Lüfter innerhalb eines Kanals erzeugten Luftstromes dienenden, in Strömungsrichtung hintereinander angeordneten Heizdrahtwindungen, die derart angeordnet sind, daß durch Vergrößerung der Ganghöhe in Strömungsrichtung die Temperatur des Heizdrahtes auf seiner Länge wenigstens annähernd gleichbleibt.Electric wire heating element, particularly for hair dryers. The invention refers to an electric wire heating element, especially for hair dryers, with for the immediate heating of one generated by a fan within a duct Heating wire windings that serve the air flow and are arranged one behind the other in the direction of flow, which are arranged in such a way that by increasing the pitch in the direction of flow the temperature of the heating wire remains at least approximately the same along its length.
Bei einem bekannten Drahtheizelement ist innerhalb eines luftdurchströmten, wärmebeständigen Stützrohres ein in sich ungewendelter Heizdraht in Windungen angeordnet. Um nun zu erreichen, daß die Temperatur des Heizdrahtes wenigstens annähernd auf seiner Länge gleich bleibt, sind die in ihrer Längsrichtung von Luft durchströmten Heizdrahtwindungen zum Ende des derart gebildeten Heizkörpers hin auseinandergezogen.In a known wire heating element is within an air-flowing, heat-resistant support tube a non-coiled heating wire arranged in turns. In order to achieve that the temperature of the heating wire at least approximately its length remains the same, are those traversed by air in their longitudinal direction Heating wire windings pulled apart towards the end of the radiator formed in this way.
Dieser bekannten Anordnung haftet aber der Nachteil an, daß durch die zunehmende Vergrößerung des Abstandes der einzelnen Windungen des Heizdrahtes die Einbautiefe des Heizkörpers insgesamt recht groß wird.This known arrangement has the disadvantage that by the increasing increase in the distance between the individual turns of the heating wire the installation depth of the radiator is quite large overall.
Die Erfindung besteht nun darin, daß bei Verwendung eines in sich gewendelten Heizdrahtes für die Heizdrahtwindungen die Ganghöhe des in sich gewendelten Heizdrahtes in Strömungsrichtung der Luft zunimmt.The invention consists in that when using one in itself coiled heating wire for the heating wire turns the pitch of the coiled Heating wire increases in the flow direction of the air.
Durch die Erfindung wird erreicht, daß die Einbautiefe des Drahtheizelementes nunmehr verhältnismäßig klein gehalten werden kann, bei Aufrechterhaltung des Vorteils einer annähernd gleichen Temperatur über die gesamte Länge des Heizdrahtes.The invention achieves that the installation depth of the wire heating element can now be kept relatively small while maintaining the advantage approximately the same temperature over the entire length of the heating wire.
Weitere vorteilhafte Einzelheiten der Erfindung sind nachstehend an Hand eines in der Zeichnung dargestellten Ausführungsbeispieles beschrieben.Further advantageous details of the invention are set out below Hand described an embodiment shown in the drawing.
In der Figur ist ein Drahtheizelement eines Haartrockners dargestellt, das einen auf einen Steatitkörper 1 aufgewickelten Heizdraht 2 aufweist. Der Heizdraht, der den Steatitkörper in mehreren Windungen umgibt, ist dabei in sich gewendelt.In the figure, a wire heating element of a hair dryer is shown, which has a heating wire 2 wound onto a steatite body 1. The heating wire, which surrounds the steatite body in several turns, is coiled in itself.
Wird das Drahtheizelement von einem Luftstrom beaufschlagt, dessen Richtung in der Figur durch einen Pfeil gekennzeichnet ist und der von einem nicht dargestellten, im Haartrocknergehäuse angeordneten Lüfter erzeugt wird, so ist, um eine praktisch gleiche Temperatur des Heizdrahtes an allen Windungsstellen des Drahtheizelementes zu erreichen, vorteilhaft der Abstand zwischen den einzelnen Wendeln 3 des Heizdrahtes 2, d. h. also die Ganghöhe des in sich gewendelten Heizdrahtes, in Richtung des Luftstroms zunehmend ausgebildet.If the wire heating element is acted upon by an air stream, its Direction in the figure is indicated by an arrow and that of one is not shown, arranged in the hair dryer housing fan is generated, so is, around a practically the same temperature of the heating wire at all winding points of the To achieve wire heating element, advantageously the distance between the individual Coils 3 of the heating wire 2, d. H. i.e. the pitch of the coiled heating wire, increasingly formed in the direction of the air flow.
Wie in der Figur dargestellt, weist dabei die vom Luftstrom zuerst beaufschlagte Windung des Drahtheizelementes die kleinste Ganghöhe zwischen den Heizdrahtwendeln 3 auf, die Windungen im mittleren Teil sind stärker auseinandergezogen, während die letzte Windung des Drahtheizelementes erheblich weiter auseinandergezogen ist, so daß die Ganghöhe gegenüber der ersten Windung nunmehr nahezu verdreifacht ist.As shown in the figure, the airflow points first applied turn of the wire heating element has the smallest pitch between the Heating wire coils 3 on, the turns in the middle part are pulled apart more, while the last turn of the wire heating element pulled apart considerably is, so that the pitch is now almost tripled compared to the first turn is.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL36543A DE1176293B (en) | 1960-07-11 | 1960-07-11 | Electric wire heating element, especially for hair dryers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL36543A DE1176293B (en) | 1960-07-11 | 1960-07-11 | Electric wire heating element, especially for hair dryers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1176293B true DE1176293B (en) | 1964-08-20 |
Family
ID=7267526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEL36543A Pending DE1176293B (en) | 1960-07-11 | 1960-07-11 | Electric wire heating element, especially for hair dryers |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1176293B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0123698A1 (en) * | 1983-04-22 | 1984-11-07 | Steinel GmbH & Co. KG | Electric heating element for heating a fluid |
| DE19651294A1 (en) * | 1996-12-10 | 1998-06-18 | Bosch Siemens Hausgeraete | Heating device for a household appliance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH83458A (en) * | 1919-03-29 | 1920-05-17 | Montan & Rohstoff A G | Electric storage heater |
| CH101116A (en) * | 1922-03-13 | 1923-09-01 | Comboni Giuseppe | Electric heater. |
| DE508237C (en) * | 1930-09-25 | Bbc Brown Boveri & Cie | Device for achieving at least approximately constant temperature over the entire length with long heating coils through which the hot air flows in their longitudinal direction |
-
1960
- 1960-07-11 DE DEL36543A patent/DE1176293B/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE508237C (en) * | 1930-09-25 | Bbc Brown Boveri & Cie | Device for achieving at least approximately constant temperature over the entire length with long heating coils through which the hot air flows in their longitudinal direction | |
| CH83458A (en) * | 1919-03-29 | 1920-05-17 | Montan & Rohstoff A G | Electric storage heater |
| CH101116A (en) * | 1922-03-13 | 1923-09-01 | Comboni Giuseppe | Electric heater. |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0123698A1 (en) * | 1983-04-22 | 1984-11-07 | Steinel GmbH & Co. KG | Electric heating element for heating a fluid |
| EP0126858A1 (en) * | 1983-04-22 | 1984-12-05 | Steinel GmbH & Co. KG | Electrical heating element |
| DE19651294A1 (en) * | 1996-12-10 | 1998-06-18 | Bosch Siemens Hausgeraete | Heating device for a household appliance |
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