EP1054313A1 - Temperaturfühler - Google Patents

Temperaturfühler Download PDF

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Publication number
EP1054313A1
EP1054313A1 EP00108752A EP00108752A EP1054313A1 EP 1054313 A1 EP1054313 A1 EP 1054313A1 EP 00108752 A EP00108752 A EP 00108752A EP 00108752 A EP00108752 A EP 00108752A EP 1054313 A1 EP1054313 A1 EP 1054313A1
Authority
EP
European Patent Office
Prior art keywords
ptc heating
heating register
register according
frame
temperature sensor
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
EP00108752A
Other languages
English (en)
French (fr)
Other versions
EP1054313B1 (de
Inventor
Horst Riehl
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.)
Valeo Klimasysteme GmbH
Original Assignee
Valeo Klimasysteme GmbH
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
Application filed by Valeo Klimasysteme GmbH filed Critical Valeo Klimasysteme GmbH
Publication of EP1054313A1 publication Critical patent/EP1054313A1/de
Application granted granted Critical
Publication of EP1054313B1 publication Critical patent/EP1054313B1/de
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
    • 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
    • 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
    • F24H3/0435—Structures comprising heat spreading elements in the form of fins
    • 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
    • F24H3/0441—Interfaces between the electrodes of a resistive heating element and the power supply means
    • F24H3/0447—Forms of the electrode terminals, e.g. tongues or clips
    • 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
    • F24H3/0452—Frame constructions
    • F24H3/047—Multiple-piece frames assembled on their four or more edges
    • 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—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heater 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—Heater 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
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/16—Heater 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
    • 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 present invention relates to a PTC heating register, as described in the preamble of Claim 1.
  • the intervening space between the heat exchanger and the PTC heating register should be kept as small as possible, in order to achieve the smallest possible overall structural dimensions for the arrangement.
  • This requirement for a small intervening space carries a disadvantage in that, in these circumstances, the temperature sensor has to be positioned very close to the PTC heating elements or strips.
  • the temperature of the PTC heating register can reach as much as 160°C, it is therefore unavoidable that the radiant heat also influences the temperature sensor, such that the air temperature measurement from the sensor can be distorted to an undesirable extent.
  • additional openings and fastening devices have to be provided for the sensor in a housing of the heating/air conditioning installation, which represents a not inconsiderable additional manufacturing outlay.
  • the object of the present invention is therefore to provide a PTC heating register, which makes it possible, without distortion, to detect the air exit temperature from a heat exchanger or the air entry temperature of a PTC heating register with at least one temperature sensor, and which can be produced and used in a simple and economical way.
  • a PTC heating register is provided with at least one strip as well as a frame, in which, according to the provisions of the invention, at least one temperature sensor which detects the air entry temperature at the PTC heating register or the air exit temperature at the heat exchanger, is integrated into the PTC heating register in a gap between the strip and the frame.
  • the connector for the temperature sensor in this case is arranged at the same level as the connector of the PTC heating register, such that integration is made possible.
  • the striking advantage of the arrangement according to the provisions of the present invention can be seen in that distortion of the measurement value detected with the help of the temperature sensor due to radiant heat from the PTC heating register can be avoided, in that the temperature sensor takes up a specific position in the air stream, in that no undesirable piercings and/or fastenings are required on the heating/air conditioning installation, because the sensor, together with its housing, is fastened to the frame of the PTC heating register, and in that in the case of two or more temperature sensors, by appropriate arrangement of said sensors, the leads required can be laid in the frame of the PTC heating register, which markedly reduces the manufacturing cost as compared with traditional arrangements.
  • electronic control of the PTC heating register can be provided integrated into the register, this preferably being provided in the area of the electrical connections.
  • a combined connector for the low-power control currents and the power electronics for driving the radiator elements can be provided, the electronic control installation for the radiator elements preferably containing low-power electronics and/or a microcontroller.
  • the wiring harness can be routed jointly over a certain distance.
  • the microcontroller locally processes information from the temperature sensors. The processing may serve for preparation for transmission on a network, correcting of information or even more complicated tasks, such as the correcting of the electrical control of the register.
  • the register module behaves as an autonomous element, which is self-regulating, so as to deliver a particular thermal power.
  • FIG. 1 An embodiment of a PTC heating register with an integrated air temperature sensor is depicted in Fig. 1.
  • a frame 2 can be recognised, in which radiator elements, here in the shape of metal strips 4, are accommodated between which PTC elements 6 are arranged, which extend parallel to the radiator elements 4.
  • the connector housing 8 On the right-hand side of the frame 2 can be seen the connector housing 8, which is configured and arranged in such a way that a lower region on the frame is left free, that is to say not covered by the connector housing 8.
  • the frame 2 exhibits an opening 10, through which a temperature sensor 12, which detects the air temperature and is built into a sensor housing 18, can be inserted and arranged in a gap 14 between the end of the strips 4 and the frame 2.
  • a temperature sensor 12 which detects the air temperature and is built into a sensor housing 18
  • a number of temperature sensors can be provided in the gaps between the ends of the strips 4 and the frame 2; in the embodiment depicted, for example, in the region 16 opposite the temperature sensor 12.
  • the temperature detection is advantageously by a second temperature sensor in the part of the frame located opposite; the lead is advantageously led in the long side of the frame 2 to the first temperature sensor 12 onto a combined connector 22.
  • Fig. 2 shows a side view of the embodiment according to Fig. 1, similar elements being designated with the same reference number.
  • the opening 10 in the frame 2 should particularly be noted; through it the temperature sensor 12 can be inserted into the gap 14 between the end of the strips 4 and the frame 2.
  • the temperature sensor 12 is depicted in an enlarged view in Fig. 3.
  • the temperature sensor 12 is surrounded by a single- or multi-layer radiant heat and convection shielding 20, which serves the purpose of reducing or even completely eliminating even the slightest remaining heating.
  • the temperature sensor 12 is in this case provided with a preferably annular or rectangular radiant heat and convection shielding 20.
  • a connector 22 is provided on the housing, with which the temperature sensor 12 can be connected to a corresponding measurement device (not depicted) or control electronics.
  • the sensor is fixed in the frame 2, on the connector side of the PTC heating register, preferably by means of a plug connection in such a way that, for servicing, it can easily be fitted and removed. Furthermore it is advantageous for the temperature sensor 12, as depicted, to be placed as close as possible to the air inlet.
  • Fig. 4 shows a partial top view of the embodiment of the PTC heating register according to Fig. 1.
  • the regions of the frame 2, of the strips 4 as well as of the PTC elements 6 are depicted in which the temperature sensor 12 together with its housing 18, the radiant heat and convection shielding 20 as well as the connector 22 is arranged.
  • the gap 14 formed between the end of the strips 4 and the frame 2 which makes use of the arrangement according to the provisions of the present invention, so as to arrange the temperature sensor 12 in a suitable position requiring a particularly small space.
  • Fig. 5 shows the region depicted in Fig. 4 in a side view, with the frame 2, the connector housing 8 as well as the opening 10 for accommodating the temperature sensor housing 18.
EP20000108752 1999-04-26 2000-04-25 Temperaturfühler Expired - Lifetime EP1054313B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19918906 1999-04-26
DE1999118906 DE19918906C2 (de) 1999-04-26 1999-04-26 PTC-Heizregister

Publications (2)

Publication Number Publication Date
EP1054313A1 true EP1054313A1 (de) 2000-11-22
EP1054313B1 EP1054313B1 (de) 2002-09-11

Family

ID=7905895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000108752 Expired - Lifetime EP1054313B1 (de) 1999-04-26 2000-04-25 Temperaturfühler

Country Status (3)

Country Link
EP (1) EP1054313B1 (de)
DE (1) DE19918906C2 (de)
ES (1) ES2182747T3 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003043842A1 (de) * 2001-11-23 2003-05-30 Webasto Thermosysteme International Gmbh Zuheier für eine fahrzeuge-klimaanlage mit mindestens einem wärmerohr
JP2005096756A (ja) * 2003-09-22 2005-04-14 Catem Gmbh & Co Kg 温度センサが組み込まれた電気加熱装置
EP2772820B1 (de) 2013-02-27 2015-04-08 Eberspächer catem GmbH & Co. KG Elektrische Heizvorrichtung für ein Kraftfahrzeug
US11060747B2 (en) 2017-10-24 2021-07-13 3M Innovative Properties Company Systems and methods for predicting HVAC filter change using temperature measurements

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20114576U1 (de) * 2001-09-04 2001-12-06 Kermi Gmbh Heizkörpereinheit
EP2732995B2 (de) † 2012-11-15 2018-03-21 Eberspächer catem GmbH & Co. KG Elektrische Heizung für ein Kraftfahrzeug
EP2772375B1 (de) * 2013-02-27 2017-10-18 Eberspächer catem GmbH & Co. KG Elektrische Heizvorrichtung für ein Kraftfahrzeug
FR3083953B1 (fr) * 2018-07-12 2020-06-19 Valeo Systemes Thermiques Cadre de radiateur electrique d'une installation de ventilation, de chauffage et/ou de climatisation d'un vehicule automobile
FR3103670B1 (fr) * 2019-11-27 2021-10-15 Valeo Systemes Thermiques Radiateur électrique avec dispositif de mesure de température

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0243077A2 (de) * 1986-04-17 1987-10-28 Ford Motor Company Limited Elektrisches Heizelement für Kraftfahrzeuge
US4963716A (en) * 1987-05-01 1990-10-16 Texas Instruments Incorporated Vehicular air heater using PTC heater tablets associated with funnel heat exchanges
DE4404345A1 (de) * 1993-02-18 1994-08-25 Valeo Thermique Habitacle Elektrischer Heizradiator, insbesondere für den Fahrgastraum eines Kraftfahrzeuges
FR2742384A1 (fr) * 1995-12-19 1997-06-20 Valeo Climatisation Dispositif de chauffage-ventilation de l'habitacle d'un vehicule automobile
DE19712178A1 (de) * 1997-03-22 1998-09-24 Behr Gmbh & Co Elektrische Heizeinrichtung, insbesondere für ein Kraftfahrzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3908589A1 (de) * 1989-03-16 1990-09-20 Hella Kg Hueck & Co Temperaturfuehler fuer heizungs- und klimaanlagen
DE4330878A1 (de) * 1993-09-13 1995-03-16 Petz Elektro Waerme Techn Heizlüfter
DE19738318C5 (de) * 1997-09-02 2014-10-30 Behr Gmbh & Co. Kg Elektrische Heizeinrichtung für ein Kraftfahrzeug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0243077A2 (de) * 1986-04-17 1987-10-28 Ford Motor Company Limited Elektrisches Heizelement für Kraftfahrzeuge
US4963716A (en) * 1987-05-01 1990-10-16 Texas Instruments Incorporated Vehicular air heater using PTC heater tablets associated with funnel heat exchanges
DE4404345A1 (de) * 1993-02-18 1994-08-25 Valeo Thermique Habitacle Elektrischer Heizradiator, insbesondere für den Fahrgastraum eines Kraftfahrzeuges
FR2742384A1 (fr) * 1995-12-19 1997-06-20 Valeo Climatisation Dispositif de chauffage-ventilation de l'habitacle d'un vehicule automobile
DE19712178A1 (de) * 1997-03-22 1998-09-24 Behr Gmbh & Co Elektrische Heizeinrichtung, insbesondere für ein Kraftfahrzeug

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003043842A1 (de) * 2001-11-23 2003-05-30 Webasto Thermosysteme International Gmbh Zuheier für eine fahrzeuge-klimaanlage mit mindestens einem wärmerohr
JP2005096756A (ja) * 2003-09-22 2005-04-14 Catem Gmbh & Co Kg 温度センサが組み込まれた電気加熱装置
EP2772820B1 (de) 2013-02-27 2015-04-08 Eberspächer catem GmbH & Co. KG Elektrische Heizvorrichtung für ein Kraftfahrzeug
US11060747B2 (en) 2017-10-24 2021-07-13 3M Innovative Properties Company Systems and methods for predicting HVAC filter change using temperature measurements
US11428427B2 (en) 2017-10-24 2022-08-30 3M Innovative Properties Company Systems and methods for predicting HVAC filter change using temperature measurements

Also Published As

Publication number Publication date
EP1054313B1 (de) 2002-09-11
ES2182747T3 (es) 2003-03-16
DE19918906C2 (de) 2003-07-17
DE19918906A1 (de) 2000-11-09

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