EP1296102A2 - Procédé d'opération d'un chauffage électrique à plusieurs étages avec plusieurs élements chauffants - Google Patents

Procédé d'opération d'un chauffage électrique à plusieurs étages avec plusieurs élements chauffants Download PDF

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Publication number
EP1296102A2
EP1296102A2 EP02019196A EP02019196A EP1296102A2 EP 1296102 A2 EP1296102 A2 EP 1296102A2 EP 02019196 A EP02019196 A EP 02019196A EP 02019196 A EP02019196 A EP 02019196A EP 1296102 A2 EP1296102 A2 EP 1296102A2
Authority
EP
European Patent Office
Prior art keywords
heating elements
heating
operating
elements
individual
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
Application number
EP02019196A
Other languages
German (de)
English (en)
Other versions
EP1296102B1 (fr
EP1296102A3 (fr
Inventor
Günther Uhl
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.)
BorgWarner Ludwigsburg GmbH
Original Assignee
Beru AG
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 Beru AG filed Critical Beru AG
Publication of EP1296102A2 publication Critical patent/EP1296102A2/fr
Publication of EP1296102A3 publication Critical patent/EP1296102A3/fr
Application granted granted Critical
Publication of EP1296102B1 publication Critical patent/EP1296102B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
    • 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
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/144—Measuring or calculating energy consumption
    • F24H15/148—Assessing the current energy consumption

Definitions

  • the invention relates to a method for operating a multi-stage electrical consisting of several heating elements Heater.
  • a multi-stage electric heater for example one Heating with positive resistance temperature coefficient PTC consists of several individual elements, often also called Heating rods are referred to and electrically connected in parallel are. Each heating element can in turn consist of several sub-elements, that is, consist of individual PCT stones.
  • Each individual heating element can be switched on or off via an electronically designed switch, for example.
  • the electrical resistance R H of the heating elements is, however, subject to large variations due to production. This means that the power emitted by the heating elements is also scattered to the same extent.
  • complex measures for example matching or sorting, are therefore necessary in order to maintain the electrical resistance R H of the individual heating elements required for the operating point.
  • a heater composed of several heating elements can meet the demand for a defined overall performance sufficient, the heating power of the individual heating elements can however be different. That usually results from that over a larger area heat output to a Temperature stratification of the exiting from the heating Air flow.
  • the heated air points over the outlet surface noticeable temperature differences. That is for example undesirable in heating or air conditioning systems because it is too Irregularities in the temperature control of the heated room leads for example of a vehicle interior. It follows that all individual heating elements of a heating system implement or deliver the same service.
  • the object underlying the invention is to specify a procedure of the type mentioned at the outset by which It is guaranteed that even if the individual heating elements have scattering resistance values, all heating elements implement or deliver the same service.
  • this object is achieved by that based on a maximum electrical resistance of the individual heating elements, at which the full applied operating voltage the nominal output of the individual required for operation Heating elements gives the tension to the individual Heating elements separately to the required nominal power is regulated.
  • each heating element is kept at a preset value P Hsoll by regulating the electrical power consumption.
  • P Hsoll a predetermined value
  • This default value can be changed so that the output of the heater can be set.
  • the voltage on the heating element is reduced to the required value P H , for example by clocking the operating voltage, in particular by pulse width modulation and thereby the power consumption of the heating element.
  • the power consumption of the heating element is determined by measuring the applied voltage and the current consumed.
  • the method according to the invention has the advantage that despite the scatter of the resistance value of the heating elements on Operating point required nominal power can be met, the exiting air flow has the same temperature everywhere, that means no temperature stratifications occur, and the sorting effort of the heating elements with regard to their electrical Resistance is significantly reduced, making the committee strong diminishes or even avoids. Depending on the spreading range, this can Sorting is even completely eliminated. Individuals sorted out Heating elements can also be used in heaters with other ratings be used.

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)
  • Control Of Resistance Heating (AREA)
  • Central Heating Systems (AREA)
EP02019196A 2001-09-25 2002-09-02 Procédé d'opération d'un chauffage électrique à plusieurs étages avec plusieurs élements chauffants Expired - Lifetime EP1296102B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10147074 2001-09-25
DE10147074A DE10147074A1 (de) 2001-09-25 2001-09-25 Verfahren zum Betreiben einer aus mehreren Heizelementen bestehenden mehrstufigen elektrischen Heizung

Publications (3)

Publication Number Publication Date
EP1296102A2 true EP1296102A2 (fr) 2003-03-26
EP1296102A3 EP1296102A3 (fr) 2004-01-02
EP1296102B1 EP1296102B1 (fr) 2012-06-20

Family

ID=34352713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02019196A Expired - Lifetime EP1296102B1 (fr) 2001-09-25 2002-09-02 Procédé d'opération d'un chauffage électrique à plusieurs étages avec plusieurs élements chauffants

Country Status (6)

Country Link
US (1) US6872922B2 (fr)
EP (1) EP1296102B1 (fr)
JP (1) JP4181370B2 (fr)
KR (1) KR100899611B1 (fr)
CA (1) CA2403820C (fr)
DE (1) DE10147074A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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EP1651911A4 (fr) * 2003-07-28 2010-09-01 Phillips & Temro Ind Inc Regulateur du rechauffeur de l'admission d'air
EP1900253B1 (fr) 2005-06-29 2013-07-31 Watlow Electric Manufacturing Company Surfaces intelligentes de dispositif de chauffage en couches
US8003922B2 (en) * 2006-02-17 2011-08-23 Phillips & Temro Industries Inc. Solid state switch with over-temperature and over-current protection
US8981264B2 (en) 2006-02-17 2015-03-17 Phillips & Temro Industries Inc. Solid state switch
US10221817B2 (en) 2016-05-26 2019-03-05 Phillips & Temro Industries Inc. Intake air heating system for a vehicle
US10077745B2 (en) 2016-05-26 2018-09-18 Phillips & Temro Industries Inc. Intake air heating system for a vehicle
DE102017111772A1 (de) 2016-06-01 2017-12-07 Ngk Spark Plug Co., Ltd. Glühkerzenenergieversorgungssteuervorrichtung und Verfahren zum Ansteuern der Anlegespannung von Glühkerzen
CN114675625A (zh) * 2022-03-21 2022-06-28 潍柴动力股份有限公司 一种控制器控制方法及装置

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WO1999007185A1 (fr) 1997-07-31 1999-02-11 GKR Gesellschaft für Fahrzeugklimaregelung mbH Chauffage electrique pour un vehicule a moteur
EP1091621A1 (fr) 1999-10-07 2001-04-11 Alcatel Chauffage électrique et son procédé de contrôle

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WO1999007185A1 (fr) 1997-07-31 1999-02-11 GKR Gesellschaft für Fahrzeugklimaregelung mbH Chauffage electrique pour un vehicule a moteur
EP1091621A1 (fr) 1999-10-07 2001-04-11 Alcatel Chauffage électrique et son procédé de contrôle

Also Published As

Publication number Publication date
CA2403820C (fr) 2010-06-22
KR100899611B1 (ko) 2009-05-27
JP2003157954A (ja) 2003-05-30
CA2403820A1 (fr) 2003-03-25
EP1296102B1 (fr) 2012-06-20
US20040056018A1 (en) 2004-03-25
KR20030026883A (ko) 2003-04-03
JP4181370B2 (ja) 2008-11-12
EP1296102A3 (fr) 2004-01-02
US6872922B2 (en) 2005-03-29
DE10147074A1 (de) 2003-05-08

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