EP1523226B1 - Ensemble de chauffage comprenant des éléments PTC, particulièrement pour véhicules à moteurs - Google Patents

Ensemble de chauffage comprenant des éléments PTC, particulièrement pour véhicules à moteurs Download PDF

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Publication number
EP1523226B1
EP1523226B1 EP03292475.5A EP03292475A EP1523226B1 EP 1523226 B1 EP1523226 B1 EP 1523226B1 EP 03292475 A EP03292475 A EP 03292475A EP 1523226 B1 EP1523226 B1 EP 1523226B1
Authority
EP
European Patent Office
Prior art keywords
heating arrangement
arrangement according
ptc element
frame
plug
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
EP03292475.5A
Other languages
German (de)
English (en)
Other versions
EP1523226A1 (fr
Inventor
Michel Brun
Christophe Schmittheisler
Pascal Miss
Maxime Mundel
Yannick Papi
Mathieu Mougey
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.)
Mahle Behr France Rouffach SAS
Original Assignee
Behr France Rouffach SAS
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
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Application filed by Behr France Rouffach SAS filed Critical Behr France Rouffach SAS
Priority to EP03292475.5A priority Critical patent/EP1523226B1/fr
Priority to US10/959,608 priority patent/US7399948B2/en
Publication of EP1523226A1 publication Critical patent/EP1523226A1/fr
Application granted granted Critical
Publication of EP1523226B1 publication Critical patent/EP1523226B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F24H9/1872—PTC
    • 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
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • 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
    • 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
    • H05B2203/02—Heaters using heating elements having a positive temperature coefficient

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.
  • a heating arrangement with a PTC element for passenger vehicles wherein an additional heating with a radiator, which is flowed through in the operation of the additional heating of heating air, and provided with at least one air outlet opening in the foot of a passenger compartment to which the heating air is passed.
  • the radiator is designed as an electrical PTC element, which is arranged directly on the air outlet opening in the foot region.
  • a PTC element is arranged in the form of several Schuwaben in a plastic frame not described in detail, which encloses the air outlet opening.
  • a PTC radiator for a motor vehicle comprising a two-part plastic frame.
  • the two parts of the plastic frame are connected to each other by means of two separately formed spring clips.
  • a heating arrangement with a PTC element which has a PTC element and this associated corrugated fins, which include other corrugated fins corresponding heat transfer assemblies to be understood, receiving plastic frame which is formed in two parts.
  • the connection between the two parts of the plastic frame by means of a clip connection, but other connections, in particular a sliding connection, possible.
  • the plastic frame preferably has at least one opening, in particular two openings, for two contact sheets, wherein the plastic frame in the vicinity of the opening or the openings is preferably designed as a plug.
  • the plug is preferably formed at a right angle to the electrical contacting contact plates, wherein a cable and the plug are preferably aligned parallel to the direction of the air flow. This allows a simple, space-saving arrangement.
  • the PTC element is attached to a contact plate by means of an adhesive connection.
  • an adhesive connection is easy to manufacture and forms a secure connection.
  • a two-component silicone adhesive is used.
  • contact plates are mounted on both sides of the PTC element, which run parallel to each other.
  • a corrugated rib is preferably attached by means of an adhesive connection, in particular by means of a two-component silicone adhesive. Further, on the side facing away from the PTC element of the corrugated fin is preferably another Contact plate attached by means of an adhesive connection to the corrugated fin, preferably by means of a two-component silicone adhesive.
  • two contact sheets are formed such that they are formed at one end as part of a plug. This simplifies assembly, since no plug must be attached to the contact plates.
  • the two contact plates are preferably L-shaped.
  • the frame is preferably provided a tab for mounting the heater assembly in or on an air duct.
  • the attachment may preferably be effected by means of one or more screws or by means of a clip connection.
  • the PTC element 2 is adhesively bonded between two contact plates 3 and 4, in the present case by means of a two-component silicone adhesive, wherein the contact plate provided with the reference numeral 3 is L-shaped is formed and forms a part of a plug 5 with its angled end.
  • the designated by the reference numeral 4 contact plate is substantially rectangular in shape and arranged parallel to the other contact plate 3.
  • a two-part plastic frame 7 is arranged.
  • a part 7 ' has a rectangular area which accommodates the PTC element 2, the contact sheets 3 and 4, and the corrugated fins 6, and a box-shaped area connected to this, which forms the outer part of the plug 5 on.
  • the second part 7 "of the plastic frame 7 is configured C-shaped and clipped onto the first part 7 'by means of a clip connection 8.
  • protrusions are provided on the two legs of the second part 7" which are correspondingly in the first part 7 'provided openings protrude and allow a quick and secure connection of the two parts 7' and 7 ", wherein the second part 7" ensures that the arrangement is securely held in the plastic frame 7.
  • first part 7 ' ribs 9 are arranged, which extend parallel to each other in the direction of the air flow.
  • the direction of the airflow is in Fig. 5b indicated by arrows.
  • the ribs 9 increase the strength of the plastic frame 7.
  • two slot-shaped openings 10 are provided in the first part 7 ', which form a passage for the L-shaped contact plates 3.
  • the plastic frame 7 further comprises a part 7 'arranged on the tab 13, which for attachment in an air duct by means of a screw (not shown) is used (see Fig. 5b ). Alternatively, the attachment can be made for example by means of a clip connection.
  • the ratio of the free area which corresponds to axd approximately to the total area bxc is quite large, so that the pressure drop in the air duct is relatively low, so that a relatively low fan performance is required.
  • a corresponds to the permeable width, b to the total width, c to the total length and d to the permeable length of the heating arrangement 1 without plug 5.
  • the ratio of axd to bxc is approximately 84%.
  • the heating arrangement is arranged with PTC element as a decentralized heater outside of the air conditioner, for example in corresponding air ducts in the A-pillar, B-pillar, C-pillar or in a door.
  • ribs 9 are provided in the frame 7, which cause a distance between the heated elements, which hereinafter also the contact plates 3, 4 and the corrugated fin 6, and the frame 7, so that the heat load of the frame 7 is reduced becomes.
  • the frame 7 is made of a plastic having an increased temperature resistance, such as polyamide.
  • the frame 7 itself forms an insulating wall, so that the heat loss is kept as low as possible and adjacent components, such as seat belts, are not impaired or damaged by the increased temperature in the case of an auxiliary heating.
  • the insulating wall can also be formed separately.
  • overheating PTC elements 2 are selected according to the second embodiment, which have an operating temperature of between 80 ° C and 120 ° C, in contrast to the conventional PTC elements with a surface temperature of 130 ° C to 165 ° C. Such protection may also be achieved by the use of a regulator which, when a certain temperature is reached in the vicinity of the heater assembly, reduces power or at times shuts off power completely.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Resistance Heating (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)

Claims (17)

  1. Ensemble de chauffage comprenant un élément - CTP - à coefficient de température positif, en particulier pour un véhicule automobile, où des ailettes ondulées (6) sont disposées autour de l'élément CTP (2) pour une meilleure transmission de chaleur à un flux d'air traversant l'ensemble de chauffage (1), où l'ensemble de chauffage (1) présente un cadre (7) en matière plastique qui est constitué en deux parties,
    caractérisé en ce que le cadre (7) présente, sur le côté intérieur, des ailettes (9) s'étendant suivant la direction du flux d' air.
  2. Ensemble de chauffage selon la revendication 1, caractérisé en ce que les deux parties (7', 7") du cadre (7) en matière plastique sont assemblées l'une à l'autre par un assemblage clipsé (8) ou par un assemblage coulissant (8').
  3. Ensemble de chauffage selon la revendication 1 ou 2, caractérisé en ce que le cadre (7) en matière plastique présente au moins une ouverture (10) pour deux tôles de contact (3) et, à proximité de l'ouverture ou des ouvertures (10), est configuré comme un connecteur (5).
  4. Ensemble de chauffage selon la revendication 3, caractérisé en ce que le connecteur (5) est configuré en étant à angle droit par rapport aux tôles de contact (3) établissant le contact électrique, où un câble et le connecteur (5) sont orientés en étant parallèles à la direction du flux d'air.
  5. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que des tôles de contact (3, 4) sont fixées des deux côtés de l'élément CTP (2).
  6. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément CTP (2) est fixé sur une tôle de contact (3, 4), au moyen d'un assemblage collé.
  7. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une ailette ondulée (6) est fixée au moyen d'un assemblage collé, la fixation étant réalisée sur le côté de la tôle de contact (3, 4) qui est placé à l'opposé de l'élément CTP (2).
  8. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une autre tôle de contact (4, 3) est fixée sur l'ailette ondulé (6) au moyen d'un assemblage collé, la fixation étant réalisée sur le côté de l'ailette ondulée (6) qui est placé à l'opposé de l'élément CTP (2).
  9. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que deux tôles de contact (3) sont configurées de manière telle, qu'elles sont formées, au niveau de l'une de leurs extrémités, comme faisant partie d'un connecteur (5).
  10. Ensemble de chauffage selon la revendication 9, caractérisé en ce que les deux tôles de contact (3) sont configurées en ayant une forme en L.
  11. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que le cadre présente une patte (13) servant à la fixation de l'ensemble de chauffage (1) dans ou sur un conduit d'air.
  12. Ensemble de chauffage selon l'une quelconque des revendications précédentés, caractérisé en ce que l'ensemble de chauffage est conçu comme un dispositif de chauffage auxiliaire monté en périphérie et qui est disposé dans un conduit d'air, à l'extérieur d'un climatiseur.
  13. Ensemble de chauffage selon l'une quelconque des revendications 5, 7 ou 8, caractérisé en ce que l'assemblage collé est formé par une collé silicone à deux composants.
  14. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que le cadre (7) en matière plastique est fabriqué à partir d'une matière plastique résistant à des températures élevées .
  15. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que le cadre (7) en matière plastique fermé une paroi isolante ou est doté d'une isolation.
  16. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'ensemble de chauffage (1) présente des éléments CTP (2) ayant une température de fonctionnement allant de 80°C à 120°C.
  17. Ensemble de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'ensemble de chauffage est commandé par des relais ou des régulateurs.
EP03292475.5A 2003-10-07 2003-10-07 Ensemble de chauffage comprenant des éléments PTC, particulièrement pour véhicules à moteurs Expired - Lifetime EP1523226B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03292475.5A EP1523226B1 (fr) 2003-10-07 2003-10-07 Ensemble de chauffage comprenant des éléments PTC, particulièrement pour véhicules à moteurs
US10/959,608 US7399948B2 (en) 2003-10-07 2004-10-07 PTC heating unit suitable for use in motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03292475.5A EP1523226B1 (fr) 2003-10-07 2003-10-07 Ensemble de chauffage comprenant des éléments PTC, particulièrement pour véhicules à moteurs

Publications (2)

Publication Number Publication Date
EP1523226A1 EP1523226A1 (fr) 2005-04-13
EP1523226B1 true EP1523226B1 (fr) 2014-12-10

Family

ID=34307028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03292475.5A Expired - Lifetime EP1523226B1 (fr) 2003-10-07 2003-10-07 Ensemble de chauffage comprenant des éléments PTC, particulièrement pour véhicules à moteurs

Country Status (2)

Country Link
US (1) US7399948B2 (fr)
EP (1) EP1523226B1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2303167T3 (es) * 2005-09-23 2008-08-01 CATEM GMBH & CO. KG Elemento generador de calor de un dispositivo calefactor.
KR100771628B1 (ko) * 2006-05-11 2007-10-31 엘지전자 주식회사 전기레인지
DE102007023417A1 (de) * 2007-05-18 2008-11-20 Daimler Ag Heizvorrichtung für Kondensatableiter
EP2017548B1 (fr) * 2007-07-20 2010-10-13 Eberspächer catem GmbH & Co. KG Dispositif de chauffage électrique, en particulier pour véhicules automobiles
DE102009032621B4 (de) 2008-07-07 2022-04-07 Modine Korea, Llc PWM-gesteuerte PTC-Heizung hoher Kapazität
EP2293648B1 (fr) * 2009-09-02 2017-07-19 Mahle Behr France Rouffach S.A.S Caloporteur
FR2958112B1 (fr) * 2010-03-26 2013-04-26 Valeo Systemes Thermiques Dispositif de chauffage electrique comprenant au moins un fil chauffant auto-regule
KR101219967B1 (ko) * 2010-09-28 2013-01-08 현대자동차주식회사 Ｐｔｃ히터를 이용한 차량용 난방장치 및 그 방법
JP2012124222A (ja) * 2010-12-06 2012-06-28 Mitsubishi Heavy Ind Ltd 熱媒体加熱装置
DE102012013770A1 (de) * 2012-07-11 2014-01-16 Eberspächer Catem Gmbh & Co. Kg Wärme erzeugendes Element
DE102012109801B4 (de) * 2012-10-15 2015-02-05 Borgwarner Ludwigsburg Gmbh Elektrische Heizvorrichtung
US20150125134A1 (en) * 2013-11-01 2015-05-07 Jin Yih Shyang Enterprise Co., Ltd. Heat-resistant electric heater
CN104053255B (zh) * 2014-06-06 2015-10-07 常熟市林芝电热器件有限公司 Ptc发热器
CN106401822A (zh) * 2016-11-07 2017-02-15 安徽兴宇轨道装备有限公司 一种柴油滤清器ptc加热器固定装置
DE102018200938A1 (de) 2018-01-22 2019-07-25 Ford Global Technologies, Llc Temperiervorrichtung insbesondere zum Erwärmen eines Innenraums eines Fahrzeugs und/oder von Aggregaten des Fahrzeugs

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Publication number Priority date Publication date Assignee Title
DE10144757B4 (de) 2001-09-11 2006-03-30 Webasto Ag Zusatzheizung für Personenfahrzeuge
US5206476A (en) * 1991-09-30 1993-04-27 General Motors Corporation Supplementary automobile duct heater
US5192853A (en) * 1991-10-22 1993-03-09 Yeh Yuan Chang Heating set having positive temperatue coefficient thermistor elements adhesively connected to heat radiator devices
DE19706199B4 (de) 1997-02-18 2005-11-10 Behr Gmbh & Co. Kg Elektrische Heizeinrichtung, insbesondere für ein Kraftfahrzeug
KR100416972B1 (ko) 2000-06-12 2004-02-05 삼성전자주식회사 부호분할다중접속 이동통신시스템에서 역방향 랜덤접근채널 할당방법
ATE238639T1 (de) 2000-08-25 2003-05-15 Catem Gmbh & Co Kg Ptc-heizvorrichtung mit klebstoff

Also Published As

Publication number Publication date
US20050133490A1 (en) 2005-06-23
US7399948B2 (en) 2008-07-15
EP1523226A1 (fr) 2005-04-13

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