EP2536980A2 - Système de chauffe - Google Patents

Système de chauffe

Info

Publication number
EP2536980A2
EP2536980A2 EP11704596A EP11704596A EP2536980A2 EP 2536980 A2 EP2536980 A2 EP 2536980A2 EP 11704596 A EP11704596 A EP 11704596A EP 11704596 A EP11704596 A EP 11704596A EP 2536980 A2 EP2536980 A2 EP 2536980A2
Authority
EP
European Patent Office
Prior art keywords
modules
heating arrangement
heating
elements
arrangement according
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Withdrawn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
EP11704596A
Other languages
German (de)
English (en)
Inventor
Jan Ihle
Werner Kahr
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.)
TDK Electronics AG
Original Assignee
Epcos 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
Application filed by Epcos AG filed Critical Epcos AG
Publication of EP2536980A2 publication Critical patent/EP2536980A2/fr
Withdrawn legal-status Critical Current

Links

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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/46—Dielectric heating
    • H05B6/48—Circuits
    • H05B6/50—Circuits for monitoring or control
    • 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
    • F24H3/0464—Two-piece frames, e.g. two-shell frames, also including frames as a central body with two covers
    • 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
    • F24H3/0476—Means for putting the electric heaters in the frame under strain, e.g. with springs
    • 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
    • F24H2250/00—Electrical heat generating means
    • F24H2250/04—Positive or negative temperature coefficients, e.g. PTC, NTC
    • 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 heating arrangement.
  • Heating arrangements are used, for example, in fan heaters
  • the heating arrangements can be provided in outlet openings of different cross-sectional shapes. Are conceivable heating arrangements for circular, rectangular or
  • the heater assemblies have heat radiating members disposed in the cross-sectional area so that the medium to be heated is heated as it flows through the cross-sectional area.
  • the heating arrangement is in frame form
  • the frame-shaped heater assembly is shaped to enclose a free area that is not intended for heating.
  • the shape of the enclosed free area may be, for example, round, oval or angular; but it is not limited to that.
  • the flowing medium is heated in the flow-through cross-sectional area.
  • the heating takes place at the edge of the free area through the frame-shaped heating arrangement.
  • the heating arrangement is formed in a ring shape, so that the enclosed, free area in the
  • Outlet openings are provided. An application in fan heaters is conceivable.
  • the heating element can be heated, for example by applying a voltage.
  • the heating element can be used, for example, as PTC
  • PTC Peltier Temperature Coefficient
  • the modules comprise
  • Radiating elements wherein one or more of the heating elements between two of the radiating elements is arranged.
  • Radiating elements are heat radiating modules that are heated by heat transfer from an adjacent, warm module, such as the heating element, and radiate this heat.
  • the radiating elements advantageously have a large size
  • the heating elements can be rather compact, for example, platelet-shaped.
  • Embodiment of a radiating element has ribs.
  • the ribs may face the free area or, in an alternative embodiment, be remote from this.
  • Another embodiment is folded meandering; this can be achieved by folding a sheet. In these embodiments, the surface is strong
  • a suitable body for heat radiation can be made for example of a perforated plate.
  • the heating elements may be electrically conductively connected to the radiating elements. At least one of the heating elements is electrically connected to the adjacent radiating elements. Such an electrically conductive connection is already achieved when the heating element adjacent
  • Abstrahlelement which is formed of electrically conductive material, touched. This allows both to supply the heating element via the adjacent radiating elements with voltage as well as a plurality of heating elements, between which radiating elements are provided to connect spatially in series and electrically in parallel.
  • at least one contact frame which electrically contacts at least one of the modules,
  • Supply potential applied to the module which is electrically contacted.
  • the contacting can be done by contact between the contact frame and the module to be contacted.
  • a further contact frame is advantageously provided.
  • the applied supply voltage results from the
  • the contact frame extends on the sides of the modules that face the free area.
  • Contact frame may have a support function for the modules, for example, when a first contact frame extends on the side facing away from the free area side and a second contact frame extends on the side facing the free area.
  • both contact frames can extend along the side facing the free area or run along the side facing away from the free area; the latter would not heat radiation in the free area
  • the contact frame has insulation in areas adjacent to modules not to be contacted. In other words: in the area of
  • the modules are along at least a portion of the frame course to each other clamped so that they are held in position in non-positive. Because of the clamping adjacent modules touch, so that both a good heat transfer from the
  • Heating elements to the radiating elements as well as a
  • the radiating elements and the spring elements are electrically conductive.
  • the spring elements are made of pre-bent spring steel, the one in positioning between two modules
  • the modules are arranged.
  • the clamped modules are advantageously pressed against at least one wall of the housing to hold them in position.
  • In a round housing are the modules
  • the frame-shaped housing has an inner side facing the free area and an outer side facing away from it as well as front and rear sides facing perpendicularly to the inner side. At least one of the sides has recesses through which the medium to be heated can come into contact with the modules.
  • the inside of the housing has recesses through which the medium to be heated can come into contact with the modules.
  • Figure 1 shows an embodiment of an annular
  • Figure 2 is an exploded view of the annular
  • FIG. 3 modules of the heating arrangement
  • Figure 4 shows a detail of a ring heater of
  • Figure 5 shows a section of the ring heater in one
  • FIG. 1 shows an exemplary embodiment of a heating arrangement in the form of a ring with self-regulating behavior.
  • the heating arrangement comprises a ring heater 1, which is arranged annularly in a housing 2, 3.
  • the enclosed by the ring free area 7 is not available for the positioning of heating means.
  • the ring heater 1 emits heat, which is the medium
  • air in the flow-through cross section, in which the radiating elements 11 are arranged, can heat.
  • Ring heater 1 is in an annular, concentric housing with a housing shell 2 and a housing cover. 3
  • the ring heater 1 and the housing 2, 3 extend around the free area 7, which is free of parts of the heating arrangement.
  • the housing 2, 3 has a the free area facing
  • Front and back which are essentially perpendicular to the inside and outside. Inner, outer and back are part of the housing shell 2.
  • the housing cover 3 serves as
  • Rear side recesses 33, 43 are provided through which heat can be radiated unhindered.
  • the housing 2, 3 may be made of plastic.
  • FIG. 2 shows an exploded view of that in FIG. 1
  • the ring heater 1 comprises a plurality of modules 11, 12, 13.
  • the modules comprise heating elements 12, which heat up when a voltage is applied.
  • heating elements 12 PTC resistance heating elements may be provided, which in this exemplary embodiment are cuboidal ceramic platelets
  • radiating elements 11 are provided which are capable of dissipating heat from the heating elements 12 and radiate.
  • the radiating bodies 11 comprise ribs 17, via which heat is radiated in the direction through which it flows.
  • the radiating elements 11 are made of metal, such as aluminum.
  • Spring elements 13 cause deformation of a deformation counteracting force.
  • the spring elements 13 are formed as pre-bent spring steel plate.
  • the ring heater 1 comprises the plurality of annular, juxtaposed radiating elements 11, heating elements 12 and spring elements 13.
  • the radiating elements 11 are distributed over the entire circular ring around the free area 7. Between the radiating elements 11 heating elements 12 and spring elements 13 are arranged. In each case a heating element 12 is located between two radiating elements 11. For electrical and thermal contact via an interference fit are located between the radiating elements 11 spring elements 13, which are also distributed over the circumference.
  • a heating element 12 or a spring element 13 is arranged between two of the radiating elements 11. Heating and spring elements 12, 13 alternate each other.
  • annularly arranged modules 11, 12, 13 is a first, substantially annular contact frame 50 and a second, substantially annular contact frame 60
  • the contact frames 50, 60 have
  • the ring heater 1 is positioned in the housing shell 2.
  • the housing shell 2 has a bottom 22 which is the case back, and an inside and an outside.
  • Housing inside is structured so that the modules 11, 12, 13 can be positioned therein.
  • webs 21 at the Inside the housing shell 2 pockets are formed, which can accommodate the modules 11, 12, 13.
  • the modules 11, 12, 13 are fitted into the housing shell 2 and clamped together in an annular manner such that this press fit causes the adjacent modules 11, 12, 13 to touch and a thermal series connection is present along the circle.
  • a thermal series connection of the radiating elements 11 with the heating elements 12 acting as heat sources therebetween is achieved.
  • Housing shell 2 prevents the radial movement of the clamped modules 11, 12, 13th
  • the housing cover 3 is placed on the housing shell 2 after the modules 11, 12 have been positioned in the housing shell 2.
  • the housing cover 3 prevents slipping out of the modules 10, 11, 12 and, like the back 22 on the housing shell 2 and the inside thereof with recesses 23, 33, 43 are provided. Through the recesses 23, 33, 43, the medium to be heated directly through the ribs 17 of
  • FIG. 3 shows the modules 11, 12, 13 in detail
  • Radiating elements 11 are cuboidal aluminum blocks with trenches on one side, which faces the free area 7 in this embodiment. Heat is generated by the adjacent heating module 12 via the ribs 17 formed thereby
  • One side of the radiating element 11 has two webs 15.
  • the opposite side 16 is flat.
  • FIG. 4 shows a detail of the ring heater 1 of FIG
  • Heating arrangement The arrangement of the modules 11, 12, 13 described above is readily apparent: the repetitive sequence of a radiating element 11, a heating element 12, a
  • the modules 11, 12, 13 are electrically conductively connected to each other, which is achieved by the contact between the modules 11, 12, 13 resulting from the press fit.
  • the supply of the supply voltage by means of the first and the second contact frame 50, 60. In this
  • the contact frames 50, 60 are not in this embodiment on the outer sides of all radiating elements 11, but only touch the contacts to be contacted
  • Radiating elements 11 This can be achieved by the diameter of the contact frame 50, 60 is greater than that
  • the contact frame 50, 60 are guided in the housing shell 2 or firmly anchored therein. In one embodiment, the
  • the heating arrangement is self-regulating.
  • Resistance heating elements by means of the contact frame 50, 60.
  • the contacted by the first contact frame 50 Radiating elements 11 are at the same potential.
  • the contacting of the second contact frame 60 radiating elements 11 are on another, the same potential. This results in a parallel connection of sections of the ring heater 1.
  • the sections extend between the first and second contact frames 50, 60 contacted radiating elements 11.
  • the parallel connection of sections allows the required for heating supply voltage to apply to the heating elements 12.
  • Figure 5 shows a section of the ring heater 1, which is arranged in the housing shell 2.
  • Housing shell 2 allow secure positioning of the modules 11, 12, 13. There are receiving areas for the
  • Radiating elements 11 are provided and for the heating elements 12.
  • the spring elements 13 are positioned in the recesses between two adjacent radiating elements 11. Due to its spring action, one force acts on the neighboring ones
  • Spring elements 13 between the radiating elements 11 and the heating elements 12 reaches a press fit, in which the adjacent modules 11, 12, 13 are clamped to each other, so that the modules 11, 12, 13 touch each other and there is a thermal and electrical connection.
  • the housing shell 2 prevents a radial outward movement of the clamped modules 11, 12, 13th
  • fastening devices are provided, by means of which the housing cover 3, the housing shell of the second closes, can be fixed on the housing shell 2. This can be achieved for example by elevations 24, which are positively and / or positively positioned in holes in the housing cover 3. Also snap connections are conceivable.
  • Embodiments can be combined.

Landscapes

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

Abstract

L'invention concerne un système de chauffe en forme de cadre.
EP11704596A 2010-02-19 2011-02-14 Système de chauffe Withdrawn EP2536980A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010008602 2010-02-19
DE102010021165A DE102010021165A1 (de) 2010-02-19 2010-05-21 Heizanordnung
PCT/EP2011/052133 WO2011101312A2 (fr) 2010-02-19 2011-02-14 Système de chauffe

Publications (1)

Publication Number Publication Date
EP2536980A2 true EP2536980A2 (fr) 2012-12-26

Family

ID=44356798

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11704596A Withdrawn EP2536980A2 (fr) 2010-02-19 2011-02-14 Système de chauffe

Country Status (6)

Country Link
US (1) US20130032588A1 (fr)
EP (1) EP2536980A2 (fr)
JP (1) JP2013519986A (fr)
CN (1) CN102753904A (fr)
DE (1) DE102010021165A1 (fr)
WO (1) WO2011101312A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102364265B1 (ko) * 2017-06-23 2022-02-17 삼성전자주식회사 의류 건조기
DE102018202033A1 (de) * 2018-02-09 2019-08-14 Eberspächer Catem Gmbh & Co. Kg Elektrische Heizvorrichtung
US20220353957A1 (en) * 2018-09-28 2022-11-03 Siemens Healthcare Diagnostics Inc. Positive temperature coefficient heating of laboratory diagnostic instruments
TWI679386B (zh) * 2018-10-23 2019-12-11 東翰生技股份有限公司 發熱裝置及其發熱片固定架
CN111059769A (zh) * 2019-12-03 2020-04-24 浙江远能新能源有限公司 高效节能分体式太阳能热水器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1388822A (en) * 1919-11-15 1921-08-23 Universal Interests Inc Circulator-heater
US1723406A (en) * 1928-08-13 1929-08-06 James H Carmean Heater
GB980454A (en) * 1960-12-14 1965-01-13 Ass Elect Ind Improvements in or relating to electrical resistance heaters
US4855570A (en) * 1987-12-09 1989-08-08 Tim Wang Electric fluid heating unit having radial PTC ceramic heating elements
DE3821435A1 (de) * 1988-06-24 1989-12-28 Tim Wang Heizeinheit
CN2153730Y (zh) * 1993-03-22 1994-01-19 国弘电机企业股份有限公司 电热风扇
DE19923228A1 (de) * 1999-05-20 2000-11-23 Oberland Mangold Gmbh Heizelement zum Beheizen strömender Gase
US20050205553A1 (en) * 2004-02-17 2005-09-22 Engineering Mechanics Corporation Of Columbus Coil design for magnetic pulse welding and forming
US7064301B2 (en) * 2004-03-22 2006-06-20 Halla Climate Control Corporation Electric heater
DE102006036364A1 (de) * 2005-08-06 2007-02-08 Microhellix Systems Gmbh Elektrisches Heizmodul zur Luftstromerwärmung, insbesondere in Fahrzeugen
EP2127924B1 (fr) * 2006-06-28 2011-01-05 Eberspächer catem GmbH & Co. KG Dispositif de chauffage électrique
DE102007006058B4 (de) * 2007-02-02 2009-11-26 Microhellix Systems Gmbh Elektrisches Heizmodul zur Luftstromerwärmung, insbesondere zur Heizung und Belüftung von Sitzen
CN201652818U (zh) * 2010-02-01 2010-11-24 广州智汇聚能谷能源科技有限公司 一种电暖风机的加热装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011101312A2 *

Also Published As

Publication number Publication date
US20130032588A1 (en) 2013-02-07
WO2011101312A3 (fr) 2012-06-07
CN102753904A (zh) 2012-10-24
WO2011101312A2 (fr) 2011-08-25
JP2013519986A (ja) 2013-05-30
DE102010021165A1 (de) 2011-08-25

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