EP2441314A1 - Élément chauffant électrique pour un chauffage et procédé de fabrication d'un tel élément chauffant électrique - Google Patents
Élément chauffant électrique pour un chauffage et procédé de fabrication d'un tel élément chauffant électriqueInfo
- Publication number
- EP2441314A1 EP2441314A1 EP10803248A EP10803248A EP2441314A1 EP 2441314 A1 EP2441314 A1 EP 2441314A1 EP 10803248 A EP10803248 A EP 10803248A EP 10803248 A EP10803248 A EP 10803248A EP 2441314 A1 EP2441314 A1 EP 2441314A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- passivation layer
- electrical heating
- ceramic substrate
- ceramic
- heating element
- 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.)
- Withdrawn
Links
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
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/46—Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
-
- 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
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
- H05B3/265—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/022—Heaters specially adapted for heating gaseous material
- H05B2203/023—Heaters of the type used for electrically heating the air blown in a vehicle compartment by the vehicle heating system
Definitions
- Electric heating element for a heating and method for producing such an electric heating element
- the invention relates to an electrical heating element for a motor vehicle heating system and to a method for producing such an electrical heating element.
- Electric heaters as heaters for internal combustion engine and hybrid motor vehicles or as Voütropicungen for electric vehicles are basically known.
- This PTC elements are used, which are energized and thereby emit heat.
- the heating elements are arranged between heat-conducting elements of the heating and release their heat via these heat-conducting elements to the environment.
- the entire heater is located in the interior of the vehicle-mounted airflow. In (pure) electric vehicles only electric (Voii-) heaters are used.
- the electrical heating element according to the invention for a motor vehicle heater is provided with - a ceramic substrate,
- an electrical heating conductor which is arranged on the ceramic substrate, a passivation layer deposited on the ceramic substrate and covering the electrical heating trace, and
- a ceramic cover member disposed on the passivation layer and sealingly connected to the passivation layer against ingress of gases and / or fluids.
- the electric heating element according to the invention has two ceramic elements, namely a ceramic substrate and a ceramic cover.
- On the ceramic substrate is an electrical heating conductor, which is covered by a passivation layer, which is preferably designed as a glass passivation.
- On the passivation layer is the ceramic cover element, which is hermetically sealed with the passivation layer, i. H. is tightly connected against the ingress of gases and / or fluids or moisture.
- the two-sided cover of the electric heating element by the ceramic elements creates a montagefreundltches and touch-safe heating element, which is also protected from damage.
- the electrical heating element according to the invention can be easily introduced between heating elements, wherein the ceramic elements protect the electrical heating conductor from damage.
- the Schuleiterbahn is designed as a resistance paste pressure.
- the Schuieiterbahn is guided into a projecting portion of the ceramic substrate, which projects beyond at least one edge portion of the ceramic cover member and in which the electrical contacting of the Edelleiterbahn can take place.
- connection of the ceramic cover element with the (glass) passivation layer takes place in an advantageous embodiment of the invention by a Giaslot- layer over which the ceramic cover element with the passivation layer is "fused".
- the electrical heating element according to the invention can preferably be produced by providing a ceramic substrate,
- an electrical heating conductor is applied to the ceramic substrate
- the ceramic cover is tightly connected to the passivation layer to protect against the ingress of gases and / or fluids.
- FIG. 2 is a view of an electric heater with a plurality of electric heating elements according to FIG. 1,
- the electric heating element 10 comprises a ceramic substrate 12 on which a heating conductor 14 is applied, in particular in the paste printing process.
- the heating conductor 14 is guided at its two ends 16 into a contacting region 18 of the ceramic substrate 12.
- the heating conductor 14 is covered by a glass passivation layer 20, the electromag- rations and provides protection against contact.
- the glass passivation layer 20 protects the heating conductor 16 from moisture.
- a ceramic cover member 22 On the glass passivation layer 20 is a ceramic cover member 22 which is hermetically sealed to the glass passivation layer 20 by means of a glass solder layer 24.
- the ceramic cover member 22 bounces back from the contactor portion 18 of the ceramic substrate 12.
- the entire structure of the electric heating element 10 is substantially strip-shaped. With such a strip-shaped heating element 10, it is possible to generate a heating power of approximately 1 kW when an electrical voltage of approximately 400 V is applied.
- the ceramic cover element 22 is applied to the glass passivation layer 20 in a high-temperature process, namely by the glass soldering method.
- the ceramic cover element 22 is replaced by the glass solder layer 24 with the glass passivation layer 20 merged, so to speak.
- the hermetic seal ensures the contact and moisture protection of the heating element.
- FIG. 2 shows the structure of a full or (additional) electric heater 26 for a vehicle having a frame 28 with a plurality of heat conducting sheets 30 held within the frame. Between each adjacent chargingleitblechen 30 are strip-shaped heating elements 10 as shown in FIG. 1, the contacting regions 18 protrude into a connection module 32. In the Anschiussmodul 32, the electrical contacting of the heating elements 10 and their control. LIST OF REFERENCES
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Resistance Heating (AREA)
- Air-Conditioning For Vehicles (AREA)
- Surface Heating Bodies (AREA)
Abstract
L'invention concerne un élément chauffant électrique pour un chauffage de véhicule à moteur, lequel présente un substrat en céramique (12) sur lequel est disposée une piste thermoconductrice électrique (14). Le substrat en céramique (12) et la piste thermoconductrice (14) sont recouverts en particulier par une couche de passivation en verre (20). Sur la couche de passivation en verre (20) se trouve un élément de couverture en céramique (22) qui est relié de manière hermétiquement étanche à la couche de passivation (20) en particulier par un procédé de brasage au verre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009059832 | 2009-12-21 | ||
PCT/EP2010/070195 WO2011085915A1 (fr) | 2009-12-21 | 2010-12-20 | Élément chauffant électrique pour un chauffage et procédé de fabrication d'un tel élément chauffant électrique |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2441314A1 true EP2441314A1 (fr) | 2012-04-18 |
Family
ID=43768713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10803248A Withdrawn EP2441314A1 (fr) | 2009-12-21 | 2010-12-20 | Élément chauffant électrique pour un chauffage et procédé de fabrication d'un tel élément chauffant électrique |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2441314A1 (fr) |
WO (1) | WO2011085915A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011081831A1 (de) * | 2011-08-30 | 2013-02-28 | Webasto Ag | Elektrische Heizeinheit, Heizvorrichtung für ein Fahrzeug und Verfahren zur Herstellung einer Heizeinheit |
WO2013171093A1 (fr) | 2012-05-14 | 2013-11-21 | Behr-Hella Thermocontrol Gmbh | Chauffage électrique d'un véhicule, en particulier d'un véhicule à entraînement hybride ou à entraînement électrique |
US20150183295A1 (en) | 2012-05-14 | 2015-07-02 | Behr-Hella Thermocontrol Gmbh | Electrical vehicle heater, in particular for vehicles having a hybrid drive or having an electric drive |
DE102012209936A1 (de) * | 2012-06-13 | 2013-12-19 | Webasto Ag | Elektrische Heizeinrichtung für ein Kraftfahrzeug |
EP2689945B1 (fr) | 2012-07-24 | 2017-05-31 | MAHLE Behr GmbH & Co. KG | Dispositif de chauffage |
WO2014062286A1 (fr) * | 2012-10-19 | 2014-04-24 | Intelligent Energy, Inc. | Générateur d'hydrogène gazeux |
DE102015108580A1 (de) | 2015-05-30 | 2016-12-01 | Webasto SE | Elektrische Heizeinrichtung für mobile Anwendungen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11307233A (ja) * | 1998-04-22 | 1999-11-05 | Hitachi Hometec Ltd | 発熱体 |
JP2002151236A (ja) * | 2000-11-07 | 2002-05-24 | Sumitomo Electric Ind Ltd | 流体加熱用ヒータ |
US7106167B2 (en) * | 2002-06-28 | 2006-09-12 | Heetronix | Stable high temperature sensor system with tungsten on AlN |
-
2010
- 2010-12-20 EP EP10803248A patent/EP2441314A1/fr not_active Withdrawn
- 2010-12-20 WO PCT/EP2010/070195 patent/WO2011085915A1/fr active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2011085915A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2011085915A1 (fr) | 2011-07-21 |
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Legal Events
Date | Code | Title | Description |
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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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17P | Request for examination filed |
Effective date: 20120110 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BEHR-HELLA THERMOCONTROL GMBH |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20160302 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20160713 |