EP3310127A1 - Hochspannungsluftheizer mit steuerungsgehäuse und verfahren zur montage davon - Google Patents

Hochspannungsluftheizer mit steuerungsgehäuse und verfahren zur montage davon Download PDF

Info

Publication number
EP3310127A1
EP3310127A1 EP16193321.3A EP16193321A EP3310127A1 EP 3310127 A1 EP3310127 A1 EP 3310127A1 EP 16193321 A EP16193321 A EP 16193321A EP 3310127 A1 EP3310127 A1 EP 3310127A1
Authority
EP
European Patent Office
Prior art keywords
high voltage
air heater
control housing
heater according
voltage switching
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Withdrawn
Application number
EP16193321.3A
Other languages
English (en)
French (fr)
Inventor
Sam Huang
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.)
DBK David and Baader GmbH
Original Assignee
DBK David and Baader 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 DBK David and Baader GmbH filed Critical DBK David and Baader GmbH
Priority to EP16193321.3A priority Critical patent/EP3310127A1/de
Publication of EP3310127A1 publication Critical patent/EP3310127A1/de
Withdrawn legal-status Critical Current

Links

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
    • H05B3/20—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
    • H05B3/24—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor being self-supporting
    • 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
    • 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

  • the invention relates to a high voltage air heater in accordance with the preamble of claim 1 and to a method for the assembly thereof.
  • PTC elements have a positive temperature coefficient and are therefore self-regulating PTC thermistors building up increasing electrical resistance with increasing heat, so that the electrical power absorbed and hence also the heating power are reduced.
  • EP 2 607 121 A1 an air heater is illustrated in which the housings with the PTC elements are likewise in close succession in layered contact with the lamella elements and thus form a cuboidal throughflowable block encompassed in a correspondingly cuboidal frame.
  • a control housing in which a printed circuit board assembly and power switches are arranged is provided at one of the two shorter front sides. The power switches are clamped against a respective cooling body via a respective pressure element.
  • the claimed high voltage air heater comprises a control housing via which several PTC elements can be energized, wherein a printed circuit board assembly and several high voltage switching elements are arranged in the control housing.
  • the high voltage switching elements are clamped in a heat-conducting manner against a respective heat dissipation element by a respective mechanical clamp element.
  • the clamp elements and the high voltage switching elements are arranged at a common first side of the printed circuit board assembly.
  • High voltage means in the scope of this document at least 100 Volt, preferably at least 500 Volt.
  • the device technology and the assembly technique are simple if the clamp elements are manufactured of spring steel sheet, preferably are folded and bent.
  • the clamp elements are preferably arranged at a distance to the printed circuit board assembly. Then, the clamp elements manufactured of electrically conducting spring steel sheet do not disturb the electronic functions of the printed circuit board assembly.
  • the device technology is simple and space is saved if the clamp elements are arranged between the printed circuit board assembly and the respective high voltage switching element, and/or if the clamp elements support themselves directly on the respective heat dissipation element.
  • the heat dissipation elements comprise a respective contact face for the respective high voltage switching element, it is preferred if the clamp elements engage behind the respective contact face at opposing sides and/or edge regions of the contact face.
  • the clamp elements each comprise a contact portion which is arranged approximately parallel to the contact face of the heat dissipation element and if the clamp elements each have two lateral portions extending from the contact portion in the direction of the respective heat dissipation element.
  • the two lateral portions may be arranged approximately rectangular to the contact portion.
  • the contact faces are encompassed by a respective rectangular edge and/or frame.
  • the dimension thereof may correspond in a fixing direction to a corresponding dimension of the associated high voltage switching element, and the dimension thereof may be larger in a shifting direction than a corresponding dimension of the associated high voltage switching element.
  • the PTC elements may be accommodated in components referred to as step cores, to the two outer surfaces of which a lamella element each is fastened - preferably glued - in a heat-conducting manner, thus forming pre-assembled heater steps.
  • the heater steps may be arranged with a respective distance - preferably a parallel distance - to each other in the interior of a main body housing.
  • the heat dissipation elements may have cooling ribs extending through a wall of the control housing into the interior of the main body housing, wherein preferably openings are provided in the main body housing for throughflowing and cooling of the cooling ribs. It is particularly preferred if, for the cooling ribs of each heat dissipation element, an own pair of opposing openings is provided, so that the cooling ribs are arranged in the flow direction of the air between the openings of the pair and are cooled optimally.
  • Redundancy can be accomplished with an additional (especially 4 th ) high voltage switching element to shut off the entire high voltage air heater even if the PTC elements possess no safety issue due to its self regulating properties.
  • the cooling ribs and the pairs of openings may be arranged between the spaced-apart heater steps.
  • control housing For a tight closure of the control housing it may comprise a substantially two-dimensional control housing cover extending over the entire side of the control housing which faces away from the heater steps.
  • recesses are formed on the control housing cover through which projections or pivots of the control housing extend, wherein the projections and/or pivots are connected with the recesses by welding or by plastic expansion of the projections and/or pivots.
  • pairs of recesses and projections and/or pivots are preferably distributed evenly at the circumference of the control housing and the control housing cover.
  • electric conductors may be provided which connect the heater steps pairwise with a common positive pole and pairwise with a common negative pole.
  • the electric conductors and the poles are arranged in the interior of the control housing.
  • the electric conductors are arranged at the first side of the printed circuit board assembly which faces the high voltage switching elements and the clamp elements and the heat dissipation elements.
  • the electric conductors are stamped parts.
  • the high voltage air heater comprises three high voltage switching elements and six heater steps and three common negative poles and three common positive poles and six electric conductors.
  • common negative poles and/or the common positive poles are further developed as integral supports for the printed circuit board assembly by which the printed circuit board assembly is retained in the control housing.
  • the high voltage switching elements are preferably insulated-gate bipolar transistors (IGBTs) or metal oxide semiconductor field-effect transistors (MosFets).
  • IGBTs insulated-gate bipolar transistors
  • MosFets metal oxide semiconductor field-effect transistors
  • the method according to the invention serves to assemble the above-described high voltage air heater and comprises the following steps in the order mentioned:
  • Figure 1 shows the embodiment of the high voltage air heater in accordance with the invention in a perspective view. It comprises a main body housing 1 which is covered by an approximately two-dimensional main body housing cover 2. Thus, an approximately cuboidal interior is formed which will be explained in detail with reference to the further figures.
  • a likewise approximately cuboidal control housing 4 which is covered by a control housing cover 6 is fastened to the front side of the main body housing 1.
  • the two parts 4, 6 are formed as two shell parts, with the control housing 4 being larger than the control housing cover 6.
  • a screw fixation 12 each is formed integrally; only one screw fixation 12 thereof is illustrated in the figure.
  • An electronic arrangement in the interior of the control housing 4 is energized by a power cable 8 and controlled by a signal wire 10.
  • the high voltage air heater in accordance with the invention is placed in an airflow which is directed approximately perpendicular to the main body housing cover 2 and which is guided into the interior of an electrically driven vehicle.
  • the high voltage air heater is fixed by the two screw fixations 12 and is energized via the power cable 8 with a voltage of e.g. 350 Volt from the on-board electrical system of the vehicle.
  • FIG 2 illustrates the high voltage air heater of figure 1 in an exploded view.
  • six elongate heater steps 14 are arranged spatially in parallel to each other, by which the current is electrically converted to heat and which will be explained in detail with reference to the following figures.
  • Each heater step 14 is, with its end portion (positioned at the left in figure 2 ), connected with the control housing 4 through a bayonet lock.
  • Each bayonet lock has a coupling projection 16 formed integrally with the control housing 4 and a locking ring 18 positioned at the respective heater step 14, wherein the bayonet lock will be explained in detail with respect to the following figures.
  • figure 2 illustrates that a printed circuit board assembly 20 which the power cable 8 is connected to via two connections 22 is accommodated in the interior of the control housing 4.
  • pivots 24 which are distributed evenly at the rim extend in the direction to the control housing cover 6. In the assembled state of the control housing 4 these pivots 24 penetrate respective through-recesses 26 of the control housing cover 6, and the end portions of the pivots 24 are welded or shaped with the control housing cover 6.
  • Figure 2 further illustrates that the main body housing 1 and the main body housing cover 2 are each penetrated by a plurality of hexagonal through-recesses 28 through which the airflow to be heated is guided.
  • the main body housing 1 and the main body housing cover 2 can be connected with each other by means of clips or by welding or shaping. According to figure 2 , pivots 29 are distributed evenly at the rim of the main body housing cover 2 and extend in the direction to the main body housing 1 to be welded or shaped there.
  • FIG 3 illustrates the high voltage air heater according to the preceding figures in a further exploded view.
  • the changed perspective reveals a first side of the printed circuit board assembly 20 which faces the heater steps 14 and at which three high voltage switching elements 30 are arranged at a distance to the printed circuit board assembly 20.
  • the high voltage switching elements 30 are in contact with a respective heat dissipation element 32 manufactured of aluminum or copper, wherein only respective groups of cooling ribs 34 of the heat dissipation elements 32 are illustrated in figure 3 . They project through the control housing 4 into the main body housing 1 and are arranged between always two coupling projections 16.
  • three respective openings 36 are provided in each the main body housing 1 and the main body housing cover 2, said openings 36 being arranged pairwise before and behind the groups of cooling ribs 34 such that the high voltage switching elements 30 dissipate their heat via the heat dissipation elements 32 and further via their respective group of cooling ribs 34 to the airflow, so that the high voltage switching elements 30 are optimally cooled and thus contribute to the heating of the airflow.
  • each in the main body housing 1 and in the main body housing cover 2 six through-recesses 38 are illustrated which are also positioned pairwise consecutively in the flow direction.
  • the through-recesses 38 serve to cool connection points between the heater steps 14 and respective electric connections (crimp places) to the printed circuit board assembly 20.
  • Figure 4 shows a plan view of the control housing cover 6.
  • Figure 5 shows a longitudinal section according to the section plane A-A of figure 4 through a part of the high voltage air heater in accordance with the invention. More precisely, the control housing 4 and a part of the main body housing 1 are illustrated.
  • Each of the six heater steps 14 has two terminal tabs, wherein only one respective terminal tab 40 thereof is illustrated in figure 5 .
  • Two equally polarized terminal tabs 40 of two different heater steps 14 are each electrically connected with a joint electric contact 44 of the printed circuit board assembly 20 via respective crimp places and a joint (basically y-shaped) electric conductor 42. Of the total of six electric conductors 42 only three end portions are illustrated which are plugged into associated electric contacts 44 of the printed circuit board assembly 20.
  • two heater steps 14 are each energized jointly and equally.
  • the printed circuit board assembly 20 enables that the heating power of each pair of heater steps 14 is selected and controlled finely.
  • Figure 6 illustrates a heater step 14 with its circumferential frame 48 at the end portion of which the locking ring 18 is arranged rotatably.
  • Figure 7 illustrates the heater step 14 of figure 6 in an exploded view.
  • the frame 48 is formed of a circumferential step housing 50 and a likewise circumferential step housing cover 52.
  • the locking ring 18 is attached rotatably at the step housing 50.
  • the step housing 50 and the step housing cover 52 clamp a series of PTC elements 54 in a component formed of two cover plates 60. More precisely, the PTC elements 54 are clamped between two contact plates 56 to which the two terminal tabs 40 (mentioned with reference to figure 5 ) are also fastened. Outside of the two contact plates 56 respective insulation plates 58 are provided, at the outer sides of which in turn a respective one of the two cover plates 60 is arranged. Respective lamella elements 62 are glued to the outer sides of the two cover plates 60 and thus to the two outer sides of the component.
  • These lamella elements 62 are folded and/or bent from a long metal strip, so that a plurality of two-dimensional fins are formed which extend substantially away from the cover plates 16 and hence also away from the component of the heater steps 14 so as to be able to dissipate the heat of the PTC elements 54 optimally to the air.
  • Figure 8 illustrates a perspective sectional view of one of the heater steps 14, six of which have been incorporated in the embodiment of the high voltage air heater in accordance with the invention according to the preceding figures.
  • the PTC elements 54 are contacted electrically on both sides via the respective contact plate 56.
  • the two insulation plates 58 and the two cover plates 60 are arranged, wherein, at the outwardly facing surfaces of the cover plates 60 to which also the respective lamella element 62 is glued, retaining grooves 66 are provided into which respective projections 68 of the step housing 50, on the one hand, and of the step housing cover 52, on the other hand, are inserted.
  • connection of the step housing 50 with the step housing cover 52 is performed via projections 70 distributed on the outer circumference of the thus-formed frame 48, which are inserted in corresponding through-recesses 72 and are secured and connected there by means of welding, e.g. ultrasonic welding or by shaping.
  • a respective seal 73 is arranged between the (in figure 8 upper) cover plate 60 and the step housing cover 52 and between the (in figure 8 lower) cover plate 60 and the step housing 50.
  • a seal 75 is also arranged between the step housing 50 and the step housing cover 52.
  • the three seals 73, 75 and the frame 48 consisting of the step housing 50 and the step housing cover 52 are approximately rectangular and elongate and comprise the entire component of the heater step 14.
  • Figure 9 illustrates (in a succession of four individual views from the left to the right) the assembly and/or fastening of the heater step 14 and/or its frame 48 to the control housing 4 through the bayonet lock.
  • the bayonet lock has, on the one hand, an approximately circular cylindrical coupling projection 16 which is formed integrally on the control housing 4 and, on the other hand, a rotatable locking ring 18 which is arranged on the frame 48.
  • the coupling projection 16 has two semicircular retaining webs 74 opposing each other and directed radially outwardly, while the locking ring 18 comprises correspondingly two semicircular retaining webs 76 opposing each other and directed radially inwardly.
  • Each retaining web 74, 76 extends over somewhat less than 90 degrees at the circumference of the corresponding component 16, 18.
  • An axial corrugation is provided at the outer circumference of the locking ring 18 such that, during assembly and electric contacting of the heater step 14 at the control housing 4, the locking ring 18 is first of all shifted in axial direction over the coupling projection 16 and then locked by a rotation about approximately 90 degrees.
  • a radial sealing element 78 is inserted in a groove at the outer circumference thereof.
  • Figure 10 illustrates in a perspective, partially sectional view in particular the interior of the coupling projection 16, wherein the frame 48 of the heater step 14 is fastened to the control housing 4 through the bayonet lock.
  • the retaining webs 76 of the locking ring 18 engage behind the retaining webs 74 of the coupling projection 16.
  • an axial sealing element 79 is, beyond the radial sealing element 78 mentioned with reference to figure 9 , clamped between a front side of the coupling projection 16 and a corresponding contact of the frame 48.
  • the locking ring 18 comprises an anti-twist protection which is formed by an axial corrugation at the outer circumference of the locking ring 18 and of a lug 81 which is fastened to the control housing 4 and snaps into the corrugation.
  • One of the two terminal tabs 40 and the electric contacting thereof is illustrated in the interior of the coupling projection 16.
  • Figure 11 illustrates the high voltage air heater and/or in particular the opened control housing 4 in a perspective view.
  • the two terminal tabs 40 and their electric contacting can be recognized. Due to the pairwise grouping of the heater steps 14 only three high voltage switching elements 30 are required which are each illustrated in the state not yet assembled, while the respective associated heat dissipation elements 32 are already assembled in the interior of the control housing 4.
  • Each heat dissipation element 32 has a contact face 80 which is surrounded by a rim 82.
  • the rim 82 is in a so-called shifting direction (which runs from the left to the right in figure 11 ) larger than the associated voltage switching element 30.
  • Figure 12 illustrates the high voltage switching elements 30 in their state in contact with the contact face 80 of the heat dissipation elements 32. Furthermore, three clamp elements 84 are illustrated which are manufactured of spring steel sheet and by which the high voltage switching elements 30 are clamped against the contact faces 80. For this purpose the clamp elements 84 encompass the high voltage switching elements 30 and engage with their respective lugs 86 behind the contact faces 80.
  • Figure 13 illustrates the assembled state of the clamp elements 84 by their clamping the high voltage switching elements 30 against the (in figure 13 underlying) heat dissipation elements 32.
  • the heat dissipation elements 32 with the high voltage switching elements 30 and the clamp elements 84 are positioned in an (in figure 13 lower) area of the control housing 4 which faces the heater steps 14.
  • the electric conductors 42 (mentioned with reference to figure 5 ) are also used, which - as already explained - electrically connect always two terminal tabs 40 of two different heater steps 14 jointly with one of the electric contacts 44.
  • Figure 14 illustrates an assembly state of the electronics in the interior of the control housing 4 which follows the one of figure 13 .
  • the printer circuit board assembly 20 is placed in the control housing 4 and electrically connected with the electric contacts 44 by which it is also retained mechanically.
  • the heat dissipation elements 32 with the high voltage switching elements 30 and the clamp elements 84 are all arranged at a first side (in figure 14 beneath) of the printed circuit board assembly 20.
  • the power cable 8 with the two connections 22 and the signal wire 10 are arranged at a second side (which is visible in figure 14 ) of the printed circuit board assembly 20 which is opposite to the first side.
  • the control housing cover 6 (cf. figure 4 ) is finally fitted over the pivots 24.
  • a high voltage air heater comprising pre-assembled heater steps which each comprise a middle component and two outer lamella elements.
  • the heater steps further comprise a frame and are fastened at a distance to each other via a respective end portion and via a respective rotatable locking ring to a control housing of the high voltage air heater.
  • high voltage switching elements are, by a respective clamp element, clamped against a respective heat dissipation element, wherein the arrangement of voltage switching element, clamp element, and heat dissipation element is disposed at a common side of a printed circuit board assembly.

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)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)
EP16193321.3A 2016-10-11 2016-10-11 Hochspannungsluftheizer mit steuerungsgehäuse und verfahren zur montage davon Withdrawn EP3310127A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16193321.3A EP3310127A1 (de) 2016-10-11 2016-10-11 Hochspannungsluftheizer mit steuerungsgehäuse und verfahren zur montage davon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16193321.3A EP3310127A1 (de) 2016-10-11 2016-10-11 Hochspannungsluftheizer mit steuerungsgehäuse und verfahren zur montage davon

Publications (1)

Publication Number Publication Date
EP3310127A1 true EP3310127A1 (de) 2018-04-18

Family

ID=57130229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16193321.3A Withdrawn EP3310127A1 (de) 2016-10-11 2016-10-11 Hochspannungsluftheizer mit steuerungsgehäuse und verfahren zur montage davon

Country Status (1)

Country Link
EP (1) EP3310127A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020065169A1 (fr) * 2018-09-28 2020-04-02 Valeo Systemes Thermiques Dispositif de chauffage electrique
WO2020065170A1 (fr) * 2018-09-28 2020-04-02 Valeo Systemes Thermiques Boitier d'interface électronique d'un dispositif de chauffage électrique
WO2021058901A1 (fr) * 2019-09-27 2021-04-01 Valeo Systemes Thermiques Boîtier d'interface électronique d'un dispositif de chauffage électrique d'une installation de ventilation, de chauffage et/ou de climatisation d'un véhicule automobile
WO2021058900A1 (fr) * 2019-09-27 2021-04-01 Valeo Systemes Thermiques Boitier d'interface électronique de commande d'un dispositif de chauffage électrique
WO2023112053A1 (en) * 2021-12-18 2023-06-22 Valeo India Private Limited A high voltage fluid heater (hvch)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1445553A1 (de) 2003-01-24 2004-08-11 Behr France S.A.R.L. Vorrichtung zum Austausch von Wärme
EP1327834B1 (de) 2002-01-15 2004-10-27 David + Baader DBK Spezialfabrik Elektrischer Apparate und Heizwiderstände GmbH Radiatorelement für eine Heizvorrichtung
EP2017548A1 (de) * 2007-07-20 2009-01-21 Catem GmbH & Co.KG Elektrische Heizvorrichtung insbesondere für Kraftfahrzeuge
DE102011089539B3 (de) * 2011-12-22 2013-04-25 Behr-Hella Thermocontrol Gmbh Vorrichtung zur Ansteuerung einer elektrischen Heizung für Fahrzeuge und elektrische Heizung mit einer derartigen Vorrichtung
EP2607121A1 (de) 2011-12-22 2013-06-26 Eberspächer catem GmbH & Co. KG Elektrische Heizvorrichtung, insbesondere für ein Kraftfahrzeug
EP2608632A1 (de) * 2011-12-22 2013-06-26 Eberspächer catem GmbH & Co. KG Elektrische Heizvorrichtung und Rahmen hierfür

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1327834B1 (de) 2002-01-15 2004-10-27 David + Baader DBK Spezialfabrik Elektrischer Apparate und Heizwiderstände GmbH Radiatorelement für eine Heizvorrichtung
EP1445553A1 (de) 2003-01-24 2004-08-11 Behr France S.A.R.L. Vorrichtung zum Austausch von Wärme
EP2017548A1 (de) * 2007-07-20 2009-01-21 Catem GmbH & Co.KG Elektrische Heizvorrichtung insbesondere für Kraftfahrzeuge
DE102011089539B3 (de) * 2011-12-22 2013-04-25 Behr-Hella Thermocontrol Gmbh Vorrichtung zur Ansteuerung einer elektrischen Heizung für Fahrzeuge und elektrische Heizung mit einer derartigen Vorrichtung
EP2607121A1 (de) 2011-12-22 2013-06-26 Eberspächer catem GmbH & Co. KG Elektrische Heizvorrichtung, insbesondere für ein Kraftfahrzeug
EP2608632A1 (de) * 2011-12-22 2013-06-26 Eberspächer catem GmbH & Co. KG Elektrische Heizvorrichtung und Rahmen hierfür

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020065169A1 (fr) * 2018-09-28 2020-04-02 Valeo Systemes Thermiques Dispositif de chauffage electrique
WO2020065170A1 (fr) * 2018-09-28 2020-04-02 Valeo Systemes Thermiques Boitier d'interface électronique d'un dispositif de chauffage électrique
FR3086736A1 (fr) * 2018-09-28 2020-04-03 Valeo Systemes Thermiques Boitier d'interface electronique de commande d'un dispositif de chauffage electrique
FR3086737A1 (fr) * 2018-09-28 2020-04-03 Valeo Systemes Thermiques Boitier d'interface electronique d'un dispositif de chauffage electrique
WO2021058901A1 (fr) * 2019-09-27 2021-04-01 Valeo Systemes Thermiques Boîtier d'interface électronique d'un dispositif de chauffage électrique d'une installation de ventilation, de chauffage et/ou de climatisation d'un véhicule automobile
WO2021058900A1 (fr) * 2019-09-27 2021-04-01 Valeo Systemes Thermiques Boitier d'interface électronique de commande d'un dispositif de chauffage électrique
FR3101288A1 (fr) * 2019-09-27 2021-04-02 Valeo Systemes Thermiques Boîtier d'interface électronique d'un dispositif de chauffage électrique d'une installation de ventilation, de chauffage et/ou de climatisation d'un véhicule automobile
FR3101512A1 (fr) * 2019-09-27 2021-04-02 Valeo Systemes Thermiques Boitier d’interface électronique de commande d’un dispositif de chauffage électrique
CN114521178A (zh) * 2019-09-27 2022-05-20 法雷奥热系统公司 用于控制电加热装置的电子接口壳体
CN114599535A (zh) * 2019-09-27 2022-06-07 法雷奥热系统公司 机动车辆的供暖、通风和/或空调系统的电加热装置的电子接口单元
WO2023112053A1 (en) * 2021-12-18 2023-06-22 Valeo India Private Limited A high voltage fluid heater (hvch)

Similar Documents

Publication Publication Date Title
EP3310127A1 (de) Hochspannungsluftheizer mit steuerungsgehäuse und verfahren zur montage davon
KR100970042B1 (ko) 차량용 전기 가열 장치
CN108496287B (zh) 母线模块
US8395089B2 (en) Electrical heating device
US8948582B2 (en) Heat medium heating device and vehicle air conditioner including the same
EP2951039B1 (de) Heizvorrichtung für ein motorfahrzeug
KR101747203B1 (ko) 전기 가열 장치
US20160069588A1 (en) Heat medium heating device, method of manufacturing same, and vehicle air conditioning device using same
CN108738177B (zh) 电加热装置
JP2013071619A (ja) 熱媒体加熱装置およびそれを備えた車両用空調装置
US9631836B2 (en) Device for electrically heating fluid for a motor vehicle, and related heating and/or air-conditioning apparatus
US11571950B2 (en) Heating device
CN106537058B (zh) 用于电加热设备的控制装置以及用于制造这种控制装置的方法
KR102030200B1 (ko) 보조 가열 장치를 위한 절연 가열 모듈
KR20050018831A (ko) Ртс 소자를 이용한 자동차용 히터
KR20150006748A (ko) 차량용 히터
EP3299743B1 (de) Elektrischer heizer
KR101030869B1 (ko) Ｐｗｍ 제어 고용량 피티씨 히터
EP3310126A1 (de) Hochspannungs-lufterhitzer und verfahren für die montage seiner heizelemente
JP2007157528A (ja) Ｐｔｃヒータ構造
EP1528838B1 (de) Elektrisches Heizelement
US20220097485A1 (en) Heater device
EP3310125A1 (de) Hochspannungs-luftheizung einschliesslich lamellenelementen und verfahren für die montage davon
US20220169092A1 (en) Heating device with a housing assembly
CN107787055B (zh) 电加热器

Legal Events

Date Code Title Description
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

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

AX Request for extension of the european patent

Extension state: BA ME

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

18D Application deemed to be withdrawn

Effective date: 20181019