EP1523225A1 - Heizungsanordnung mit PTC-Element, insbesondere für ein Kraftfahrzeug - Google Patents
Heizungsanordnung mit PTC-Element, insbesondere für ein Kraftfahrzeug Download PDFInfo
- Publication number
- EP1523225A1 EP1523225A1 EP03292474A EP03292474A EP1523225A1 EP 1523225 A1 EP1523225 A1 EP 1523225A1 EP 03292474 A EP03292474 A EP 03292474A EP 03292474 A EP03292474 A EP 03292474A EP 1523225 A1 EP1523225 A1 EP 1523225A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- ptc element
- ptc
- ohm
- heating 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims description 22
- 239000000853 adhesive Substances 0.000 claims abstract description 35
- 230000001070 adhesive effect Effects 0.000 claims abstract description 35
- 229910000679 solder Inorganic materials 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 abstract 3
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013517 stratification 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
- 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
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
Definitions
- the invention relates to a heating arrangement with a PTC element, in particular for a motor vehicle, according to the preamble of claim 1.
- DE 101 44 757 A1 discloses a heating arrangement with a PTC element known for passenger vehicles, with an additional heating with a Radiator, which flows through during operation of the additional heating of heating air is, and with at least one air outlet opening in the foot of a Passenger compartment is provided, to which the heating air is passed.
- a Radiator which flows through during operation of the additional heating of heating air is, and with at least one air outlet opening in the foot of a Passenger compartment is provided, to which the heating air is passed.
- To be flexible Create a vertical temperature stratification in the passenger compartment to be able to, especially when sitting in the rear felt comfortable when the radiator is designed as an electrical PTC element, which is arranged directly at the air outlet opening in the foot area is.
- Such a heater can still be desired.
- a PTC element in the form of several Schuwaben arranged in a plastic frame not described in detail, which encloses the air outlet opening.
- Kontakblechen PTC elements are done conventionally by means of an adhesive, wherein - depending on the application - insulating Adhesives with a specific electrical resistance of more than 10,000 Ohm x cm, or conductive adhesives with a specific electrical resistance of less than 10 ohms x cm. Such compounds between contact plate and PTC element leave nothing to be desired.
- a heating arrangement with at least one PTC element provided, wherein the PTC element disposed between contact plates is that serve the electrical connection, the contact plates and the PTC element are connected by means of an adhesive, the one resistivity of minimum 50 ohm x cm and maximum 500 ohms x cm, preferably of minimum 80 ohms x cm and maximum 150 ohm.cm, in particular of 100 ohm.cm +/- 10%.
- the heating and safety aspects are considered at the same time, if an adhesive with a certain electrical resistivity, in particular an adhesive with a specific electrical resistance from 50 to 500 ohms x cm, is chosen, with the PTC elements connected to contact plates by this electrically conductive adhesive become.
- the specific electrical resistance should be chosen so that On the one hand the risk of a short circuit between the Kontakblechen is avoided.
- the specific electrical resistance is like that to choose that in case of damage to the heater assembly in Consequence of aging the adhesive layer have a forced relaxation can, which makes it no longer directly contact between the PTC element and the contact sheets, but in this case the adhesive layer one has sufficient electrical conductivity to maintain the heating function to obtain.
- the adhesive layer has an additional electrical Resistance and shows an acceptable heat output. Advantage of the invention is that, in this case, the heating function is not disturbed. The o.g. Area for the specific electrical resistance has proved to be the most suitable exposed.
- the layer thickness of the adhesive between the PTC element is preferred and a Kontakblech before a forced relaxation negligible and is after a forced relaxation maximum 0.02 .mu.m, in particular 0.01 by +/- 10%.
- an adhesive can also be a solder with a corresponding specific electrical resistance can be used.
- PTC heater assembly 1 with ceramic PTC elements is one each PTC element 2 between two mutually parallel contact plates 3 (positive pole) and 4 (negative pole) glued, in this case by means of a Adhesive 5, which has a specific electrical resistance of about 100 Ohm x cm has.
- Adhesive 5 which has a specific electrical resistance of about 100 Ohm x cm has.
- Corrugated ribs 6 attached and to these, again with a corresponding adhesive connection depending on a further contact plate 3 and 4.
- a plastic frame 7 arranged to the arrangement described above. The flow direction of the air is in Fig. 1 in the direction of view.
- the length of a PTC element 2 is L, in this case 035 mm, the width of the PTC element 2 with 1, in this case 8 mm, and the thickness of the PTC element 2 with e, here 1.4 mm.
- the width of the adhesive around the PTC element 2 between the contact sheets 3 and 4 is denoted by s and in the present case is 1 mm.
- the voltage between the contact plates 3 and 4 is designated by U. and is 13V in accordance with the present embodiment, but may be also be larger, for example 48 V.
- the electrical resistivity of the adhesive 5 is denoted by Rho adhesives, the resistance of the PTC element 2 with R PTC, the resistance of the layer of adhesive between the PTC element 2 and contact plate 3 or 4 with R Adh.
- the power of the PTC element 2 is designated P PTC , the power of the adhesive 5 between the contact plates 3 and 4 with P b , the power of the PTC element 2 in conjunction with the adhesive 5 without forced relaxation with P bonding + PTC without forced relaxation , the power of the PTC element 2 in conjunction with the forced release adhesive 5 with P sticking + PTC after forced relaxation , the total power with P total .
- FIGS and FIG. 6 Replacement diagrams for the circuits of the resistors are shown in FIGS and FIG. 6.
- the ratio P PTC / P b should be chosen as large as possible. Furthermore, the ratio of P sticking + PTC without forced relaxation / P sticking + PTC after forced relaxation should be as close as possible to 1. In this case, the ratio of P PTC / P b lies in particular between approximately 4 and 40 and the ratio of P adhesive + PTC without forced relaxation / P bonding + PTC after forced relaxation between approx. 1,2 and 1,02.
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Resistance Heating (AREA)
- Thermistors And Varistors (AREA)
Abstract
Description
- Fig. 1
- eine Ansicht auf eine erfindungsgemäße Heizungsanordnung,
- Fig. 2
- einen vergrößerten Schnitt durch die Heizungsanordnung von Fig. 1 entlang der Linie II-II in Fig. 1,
- Fig. 3
- einen Schnitt entlang der Linie III-III in Fig. 2,
- Fig. 4
- eine Fig. 2 entsprechende Darstellung nach einer Zwangsentspannung,
- Fig. 5
- ein elektrisches Ersatzschaubild, das die Widerstände verdeutlicht, und
- Fig. 6
- ein Fig. 5 entsprechendes Ersatzschaubild, das die Widerstände nach einer Zwangsentspannung verdeutlicht.
Claims (7)
- Heizungsanordnung mit mindestens einem PTC-Element, insbesondere für ein Kraftfahrzeug, wobei das PTC-Element (2) zwischen Kontaktblechen (3, 4) angeordnet ist, die der elektrischen Anbindung dienen, wobei die Kontaktbleche (3, 4) und das PTC-Element (2) mittels eines Klebstoffes (5) verbunden sind, dadurch gekennzeichnet, dass der Klebstoff (5) einen spezifischen elektrischen Widerstand von minimal 50 Ohm x cm und maximal 500 Ohm x cm aufweist.
- Heizungsanordnung nach Anspruch 1, dadurch gekennzeichnet, dass der Klebstoff (5) einen spezifischen elektrischen Widerstand von minimal 80 Ohm x cm und maximal 150 Ohm x cm, insbesondere von 100 Ohm x cm +/- 10% aufweist.
- Heizungsanordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Schichtdicke des Klebstoffs (5) zwischen dem PTC-Element (2) und einem Kontaktblech (3, 4) vor einer Zwangsentspannung vernachlässigbar ist und nach einer Zwangentspannung maximal 0,02 µm, insbesondere 0,01 µm +/- 10%, beträgt.
- Heizungsanordnung mit mindestens einem PTC-Element, insbesondere für ein Kraftfahrzeug, wobei das PTC-Element (2) zwischen Kontaktblechen (3, 4) angeordnet ist, die der elektrischen Anbindung dienen, wobei die Kontaktbleche (3, 4) und das PTC-Element (2) mittels eines Lots verbunden sind, dadurch gekennzeichnet, dass das Lot einen spezifischen elektrischen Widerstand von minimal 50 Ohm x cm und maximal 500 Ohm x cm aufweist.
- Heizungsanordnung nach Anspruch 4, dadurch gekennzeichnet, dass das Lot einen spezifischen elektrischen Widerstand von minimal 80 Ohm x cm und maximal 150 Ohm x cm, insbesondere von 100 Ohm x cm +/-10% aufweist.
- Heizungsanordnung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Schichtdicke des Lots zwischen dem PTC-Element (2) und einem Kontaktblech (3, 4) vor einer Zwangsentspannung vernachlässigbar ist und nach einer Zwangentspannung maximal 0,02 µm, insbesondere 0,01 µm +/- 10%, beträgt.
- Klebstoff oder Lot für eine Verbindung zwischen einem keramischen PTC-Element (2) und einem elektrisch leitenden Kontakblech (3, 4), dadurch gekennzeichnet, dass der Klebstoff (5) beziehungsweise das Lot einen spezifischen elektrischen Widerstand von minimal 50 Ohm x cm und maximal 500 Ohm x cm aufweist.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE50312260T DE50312260D1 (de) | 2003-10-07 | 2003-10-07 | Heizungsanordnung mit PTC-Element, insbesondere für ein Kraftfahrzeug |
| AT03292474T ATE453306T1 (de) | 2003-10-07 | 2003-10-07 | Heizungsanordnung mit ptc-element, insbesondere für ein kraftfahrzeug |
| EP03292474A EP1523225B1 (de) | 2003-10-07 | 2003-10-07 | Heizungsanordnung mit PTC-Element, insbesondere für ein Kraftfahrzeug |
| US10/574,543 US7759610B2 (en) | 2003-10-07 | 2004-09-15 | Heating assembly comprising a PTC element, in particular for a motor vehicle |
| CNB2004800291073A CN100488323C (zh) | 2003-10-07 | 2004-09-15 | 用于汽车的带有ptc元件的取暖装置 |
| PCT/EP2004/010328 WO2005039242A1 (de) | 2003-10-07 | 2004-09-15 | Heizungsanordnung mit ptc-element, insbesondere für ein kraftfahrzeug |
| JP2006529988A JP2007507384A (ja) | 2003-10-07 | 2004-09-15 | Ptc素子を有する特に自動車用の暖房装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03292474A EP1523225B1 (de) | 2003-10-07 | 2003-10-07 | Heizungsanordnung mit PTC-Element, insbesondere für ein Kraftfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1523225A1 true EP1523225A1 (de) | 2005-04-13 |
| EP1523225B1 EP1523225B1 (de) | 2009-12-23 |
Family
ID=34307027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03292474A Expired - Lifetime EP1523225B1 (de) | 2003-10-07 | 2003-10-07 | Heizungsanordnung mit PTC-Element, insbesondere für ein Kraftfahrzeug |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7759610B2 (de) |
| EP (1) | EP1523225B1 (de) |
| JP (1) | JP2007507384A (de) |
| CN (1) | CN100488323C (de) |
| AT (1) | ATE453306T1 (de) |
| DE (1) | DE50312260D1 (de) |
| WO (1) | WO2005039242A1 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1821575A1 (de) * | 2006-02-17 | 2007-08-22 | Valeo Systèmes Thermiques | Halterahmen für Heizelemente für einen elektrischen Heizkörper einer Anlage zur Belüftung, Heizung und/oder Klimatisierung |
| EP2083607A1 (de) | 2008-01-23 | 2009-07-29 | Behr France Rouffach SAS | Vorrichtung zum Heizen insbesondere eines Kraftfahrzeuges |
| EP2385744A1 (de) * | 2010-05-09 | 2011-11-09 | ESW GmbH | Heizmodul zur Erwärmung strömender Medien und Verfahren zu seiner Herstellung |
| EP3401617A1 (de) * | 2017-05-12 | 2018-11-14 | Mahle International GmbH | Elektrische heizeinrichtung |
| DE102019204665B4 (de) * | 2019-03-06 | 2026-05-07 | Eberspächer Catem Gmbh & Co. Kg | PTC-Heizelement und eine elektrische Heizvorrichtung |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012107985B4 (de) * | 2012-08-29 | 2023-06-22 | Borgwarner Ludwigsburg Gmbh | Heizstab |
| DE102015215748A1 (de) | 2015-08-18 | 2017-02-23 | Mahle International Gmbh | Elektrische Heizeinrichtung und Ansteuerungselektronik |
| EP3530503A1 (de) * | 2018-02-26 | 2019-08-28 | MAHLE International GmbH | Elektrische heizung |
| DE102020113124A1 (de) * | 2020-05-14 | 2021-11-18 | Eberspächer catem Hermsdorf GmbH & Co. KG | PTC-Heizzelle und Verfahren zu deren Herstellung |
| DE102021204888A1 (de) * | 2021-05-12 | 2022-11-17 | Mahle International Gmbh | PTC-Heizelement |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1182908A1 (de) * | 2000-08-25 | 2002-02-27 | Catem GmbH & Co.KG | PTC-Heizvorrichtung mit Klebestoff |
| DE10144757A1 (de) | 2001-09-11 | 2003-03-27 | Webasto Thermosysteme Gmbh | Zusatzheizung für Personenfahrzeuge |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4865039A (en) * | 1985-08-21 | 1989-09-12 | Spring Creek Institute | Dry electrode system for detection of biopotentials and dry electrode for making electrical and mechanical connection to a living body |
| JPH01294393A (ja) * | 1988-05-20 | 1989-11-28 | Matsushita Electric Ind Co Ltd | 面状採暖具の接着方法 |
| JPH0253628A (ja) * | 1988-08-17 | 1990-02-22 | Texas Instr Japan Ltd | 空気加熱装置 |
| JPH0320378A (ja) * | 1989-06-17 | 1991-01-29 | Fujikura Ltd | 導電性接着剤 |
| CN2080482U (zh) * | 1990-07-23 | 1991-07-10 | 刘振荣 | 汽车电暖器 |
| US5211174A (en) * | 1990-09-14 | 1993-05-18 | Physiometrix, Inc. | Low impedance, low durometer, dry conforming contact element |
| CN2125519U (zh) * | 1992-06-29 | 1992-12-23 | 北京汽车空调制造厂 | 汽车空调器 |
| US5856773A (en) * | 1996-11-04 | 1999-01-05 | Raychem Corporation | Circuit protection device |
| JPH10208902A (ja) * | 1997-01-21 | 1998-08-07 | Tdk Corp | 有機ptcサーミスタの製造方法 |
| JPH11186003A (ja) * | 1997-12-25 | 1999-07-09 | Yazaki Corp | Ptc素子の放熱構造 |
| JPH11214203A (ja) * | 1998-01-29 | 1999-08-06 | Unitika Ltd | Ptc素子及びその製造方法 |
| CN2318068Y (zh) * | 1998-04-09 | 1999-05-12 | 李有德 | 汽车保温罩 |
| JPH11308763A (ja) * | 1998-04-22 | 1999-11-05 | Ngk Insulators Ltd | Ptc素子を備えた限流器およびこの限流器を備えた遮断器 |
| JP4092805B2 (ja) * | 1999-03-19 | 2008-05-28 | 株式会社デンソー | 車両用空調装置 |
| JP2002367810A (ja) * | 2001-06-11 | 2002-12-20 | Nec Tokin Corp | 高分子ptc素子及びその製造方法 |
| JP2003037002A (ja) * | 2001-07-24 | 2003-02-07 | Mitsubishi Electric Corp | 限流器とその製造方法 |
| US6659783B2 (en) * | 2001-08-01 | 2003-12-09 | Tyco Electronics Corp | Electrical connector including variable resistance to reduce arcing |
| JP5087888B2 (ja) | 2006-08-28 | 2012-12-05 | ソニー株式会社 | 固体撮像装置及びその製造方法 |
-
2003
- 2003-10-07 EP EP03292474A patent/EP1523225B1/de not_active Expired - Lifetime
- 2003-10-07 DE DE50312260T patent/DE50312260D1/de not_active Expired - Lifetime
- 2003-10-07 AT AT03292474T patent/ATE453306T1/de not_active IP Right Cessation
-
2004
- 2004-09-15 JP JP2006529988A patent/JP2007507384A/ja active Pending
- 2004-09-15 WO PCT/EP2004/010328 patent/WO2005039242A1/de not_active Ceased
- 2004-09-15 US US10/574,543 patent/US7759610B2/en not_active Expired - Fee Related
- 2004-09-15 CN CNB2004800291073A patent/CN100488323C/zh not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1182908A1 (de) * | 2000-08-25 | 2002-02-27 | Catem GmbH & Co.KG | PTC-Heizvorrichtung mit Klebestoff |
| DE10144757A1 (de) | 2001-09-11 | 2003-03-27 | Webasto Thermosysteme Gmbh | Zusatzheizung für Personenfahrzeuge |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1821575A1 (de) * | 2006-02-17 | 2007-08-22 | Valeo Systèmes Thermiques | Halterahmen für Heizelemente für einen elektrischen Heizkörper einer Anlage zur Belüftung, Heizung und/oder Klimatisierung |
| FR2897744A1 (fr) * | 2006-02-17 | 2007-08-24 | Valeo Systemes Thermiques | Chassis porteur d'elements chauffants pour un radiateur electrique d'une installation de ventilation, de chauffage et/ou de climatisation. |
| US7977607B2 (en) | 2006-02-17 | 2011-07-12 | Valeo Systemes Thermiques, S.A.S. | Frame for holding heating elements of an electric heater of a ventilating, heating and/or air conditioning unit |
| EP2083607A1 (de) | 2008-01-23 | 2009-07-29 | Behr France Rouffach SAS | Vorrichtung zum Heizen insbesondere eines Kraftfahrzeuges |
| EP2385744A1 (de) * | 2010-05-09 | 2011-11-09 | ESW GmbH | Heizmodul zur Erwärmung strömender Medien und Verfahren zu seiner Herstellung |
| EP3401617A1 (de) * | 2017-05-12 | 2018-11-14 | Mahle International GmbH | Elektrische heizeinrichtung |
| DE102019204665B4 (de) * | 2019-03-06 | 2026-05-07 | Eberspächer Catem Gmbh & Co. Kg | PTC-Heizelement und eine elektrische Heizvorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070000902A1 (en) | 2007-01-04 |
| CN1902983A (zh) | 2007-01-24 |
| ATE453306T1 (de) | 2010-01-15 |
| WO2005039242A1 (de) | 2005-04-28 |
| JP2007507384A (ja) | 2007-03-29 |
| DE50312260D1 (de) | 2010-02-04 |
| US7759610B2 (en) | 2010-07-20 |
| EP1523225B1 (de) | 2009-12-23 |
| CN100488323C (zh) | 2009-05-13 |
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