EP0379874B1 - Halteteil für PTC-Elemente - Google Patents
Halteteil für PTC-Elemente Download PDFInfo
- Publication number
- EP0379874B1 EP0379874B1 EP90100250A EP90100250A EP0379874B1 EP 0379874 B1 EP0379874 B1 EP 0379874B1 EP 90100250 A EP90100250 A EP 90100250A EP 90100250 A EP90100250 A EP 90100250A EP 0379874 B1 EP0379874 B1 EP 0379874B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact plate
- frame
- holding part
- ptc elements
- part 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.)
- Expired - Lifetime
Links
- 239000011810 insulating material Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H05B3/10—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
Definitions
- the invention relates to a holding part for receiving PTC elements, consisting of a contact plate and a Frame made of insulating material.
- PTC radiators with PTC elements usually have multiple PTC elements side by side, preferably in a row, arranged and by common Contact plates are covered on their PTC elements facing sides, if necessary, still insulating plates are arranged.
- This arrangement is in any suitable way, for example by brackets, by terminal strips, by inserting it into an envelope or the like, held together.
- An example is the DE-OS 28th 45 965, DE-OS 28 45 894 and DE-OS 29 48 591 referred.
- US Pat. No. 2,606,986 shows a resistance unit with PTC elements.
- the resistance unit has a channel designated lower part, which has the function of a lower Contact plate for the resistance PTC elements fulfilled.
- this channel part is a frame part made of insulation material easy to insert.
- the manufacture of Resistor unit the PTC elements in the frame part inserted so that they touch the bottom and thus the contact plate of the duct part. There will be another contact plate on which a spring is placed an insulation strip is applied to the top.
- the elements mentioned so far Metal profile part initially loosely attached. The parts are then held together by breakthroughs of the profile part protruding tabs of the lower Channel part are bent. This connection is through Bend back releasably, creating the entire resistance unit disassembled again and into hers Individual parts can be disassembled.
- the PTC elements can fall through the frame part. Is the combination of the channel part and the Frame part together as a holding part, there is a risk that this before, but especially after Insert the PTC elements in further processing and Conveying process for the production of the entire part or also can separate during transport, so that the PTC elements can fall out again or move.
- the invention has for its object one for PTC elements to create a suitable holding part with the one hand the PTC elements also before assembling the heating arrangement reliably kept for their further assembly and not involuntarily from a (loose) sandwich arrangement can fall out again and on the other hand the Contact plate and the frame against a relative mutual pivoting and against buckling level, but none (absolutely rigid) full definition should be provided so that between the contact plate and frame compensating movements Compensation of pressure forces and temperature changes possible are.
- the PTC elements are sufficient their narrow sides surrounding frame made of insulating material not out there, even if an underlay against it from below is held, such as a contact plate, there is a risk that insulating frames and documents slip relative to each other, so that again a single PTC stone can fall out of the frame.
- the invention therefore provides that the contact plate and the Frame made of insulating material firmly connected are. Solid here means that these are in a way with each other are connected that they are not without great effort can be solved, especially not by accident detach from each other or move relative to each other can. In principle, a screw connection could also be used be provided.
- the contact plate in the area of one of their Rivets riveted to the frame made of insulating material is.
- the fixed contact plate is one-sided of the frame arranged so that the individual PTC elements or stones from the opposite side into that Frame part can be inserted and falling through be prevented by the contact plate.
- the further contact element such as one another contact plate or a profile contact body with U-section, are then placed on further assembly, namely if necessary laying on Insulating plates on the contact plate, this insulating body protective additional cover elements, such as stable cover plates etc., can be put on.
- the invention provides that End of the contact plate that is not firmly attached to the frame is connected, against pivoting and additionally not to protect even a buckling from its level but also to be fully determined so that the end Can perform compensating movements, for example under Pressure forces and temperature changes. This is through the invention brings about.
- the bracket overlaps that of the attachment point opposite end of the contact plate, leaving the contact plate free between its end regions is.
- connection tab rivets to the contact plate and / or that a connecting lug is made in one piece with the contact plate is trained. If the contact plate is already tight connected to the frame, so it makes sense then too a connection tab, namely that with the contact plate in To form related, integral with this and / or also to connect firmly to the frame, such as riveting.
- the contact plate made of flexible There is sheet metal.
- a preferred one stands out Embodiment characterized in that the contact plate for Frame is convexly bent and prestressed. This will even with local and not over the entire length of the frame and the contact plate exerted forces, a sufficient Press on and thus a sufficiently good contact between Contact plate and PTC elements achieved over the entire length.
- a further development provides that near the attachment point on the side of the contact plate facing the Cam extending from the plane of the same are provided. This allows the frame to be turned away Insulation plates on the side of the contact plate an axial displacement can be kept.
- Another education provides that the frame has crossbars. Hereby the individual PTC elements are each in individual recesses individually framed and recorded in the frame.
- the heating device 1 has an aluminum U-profile 2 on, which preferably a hardness F28 and a temperature resistance of over 400 ° Celsius. At one end 3 of the U-profile 2 is on the outer wall 4, a connecting tab 6 attached, e.g. soldered or spot welded.
- the holding part 11 has a frame 12 made of insulating material such as Rayton.
- the frame 12 is made Longitudinal legs 13, transverse legs formed on the end faces 14, 15, and in the illustrated embodiment formed from crossbars 16. Furthermore, it points to a Face 17 a U-shaped rising from its plane Strap 18 on, with its legs 19 in one piece the longitudinal legs 13 of the frame 12 is formed while a web 21 extends across the width of the frame 12.
- a contact plate extends over the frame 12 22.
- the contact plate 22 is in the illustrated embodiment designed as a spring plate.
- connection tab 26 riveted with.
- the connection tab could also be in one piece be formed with the contact plate 22.
- the contact plate 22 is preferably convexly bent toward the frame 12 and thus biased.
- the frame 12 faces in the area its end 23 on the same, the contact plate 22 facing Side on which the bracket 18 is also seated on his Longitudinal legs 13 on two cams 28, which in the longitudinal direction the contact plates, on the side facing away from the frame Insulated parts placed between the cams 28 and the bracket 18 hold in the longitudinal direction.
- PTC elements 31 In the delimited by the legs 13, 14, 15 and the webs 16 Recesses 29 of the frame 12 are PTC elements 31 (figures 1,3,4) used. Individuals lie on the contact plate 22 Insulating parts 32, which together form an insulating pad.
- the insulating parts 32 essentially have one of the PTC elements 31 corresponding length. Their width corresponds to the clear one Distance between the legs 7 of the U-profile 2.
- the insulating parts consist preferably of heat-conducting, electrically-insulating Metal oxide, such as magnesium, barium or preferably alumina.
- cover plates 33 On the insulating parts 32 are still stable cover plates 33, for example Aluminum, on whose width and length the width and length the insulating parts 32 corresponds.
- the height of the arrangement PTC element 31, contact plate 22 and insulating part 32 is located little below the clear length of the legs 7 of the U-profile 2, while the amount of the aforementioned parts plus the amount of the cover plate 33 a little above said clear length the leg 7 lies.
- the slats 41 point to this a breakthrough 42, which u.a. by two opposite Tabs 43 is delimited from the main plane of the slats 41 are bent out.
- the distance A to the main part of the slats 41 is the same at least the height of the heating unit from leg 8 of the U-profile 2, a PTC element 31, the contact plate 22, the Insulating part 32 and the cover plate 33, during the light Distance D of the end faces 46 of the tabs 43 below the height the arrangement described above and thus below the distance A is as long as the lamella 41 is not yet over the heating unit defined above is pushed.
- the Slats 41 consist of aluminum sheet.
- stiffening beads parallel to the longitudinal edges 48, which protrudes from the main plane of the slats 41 are.
- the heat dissipation surface continues slightly increased, but it is essential that through this Stiffening prevents the slats from flowing through Air can flutter, causing noise could lead.
- the slats are given on the basis Dimensionally pushed over the heating unit and sit on this with a tight fit.
- the holding part 11 from the frame 12 and the contact plate 22 by firmly joining together (riveting) the two parts and simultaneously riveting the connecting tab 26.
- this part of the contact plate 22 facing away from the PTC elements 31 in the frame 12 inserted, being firmly connected to the frame 12 Contact plate 22 held and falling through be prevented.
- the contact plate 22 facing away from the frame 12 of the U-shaped section Profile body placed the inside of its web 8th comes to rest on the PTC elements 31 and the legs 7 the frame 12, in particular its longitudinal leg 13 and the Cover plate 22, reach over to the side.
Landscapes
- Resistance Heating (AREA)
- Thermistors And Varistors (AREA)
Description
- Figur 1
- einen senkrechten Längsschnitt durch eine Erhitzungsvorrichtung entsprechend I-I der Fig. 4;
- Figur 2
- in perspektivischer Darstellung ein Halteteil für PTC-Elemente, wie es bei der Erhitzungsvorrichtung gemäß Fig. 1 eingesetzt ist;
- Figur 3
- einen Horizontalschnitt durch die Vorrichtung entsprechend III-III der Fig.4;
- Figur 4
- einen vertikalen Querschnitt entsprechend IV-IV in Fig.1;
- Figur 5
- einen Schnitt durch eine Lamelle entsprechend V-V der Fig.6; und
- Figur 6
- einen Blick auf eine Lamelle entsprechend dem Pfeil VI der Fig.5.
Claims (8)
- Halteteil zur Aufnahme von PTC-Elementen, bestehend aus einer Kontaktplatte (22) und einem Rahmen (12) aus Isoliermaterial, wobei die Kontaktplatte (22) mit dem Rahmen (12) an einem Ende fest verbunden ist und am der festen Verbindung entgegengesetzten Ende des Isolierrahmens (12) ein sich aus der Ebene desselben erhebender Bügel (18) ausgebildet ist, unter dessen Steg (21) das der Befestigungsstelle entgegengesetzte Ende (27) der Kontaktplatte (22) frei beweglich gehaltert ist.
- Halteteil nach Anspruch 1, dadurch gekennzeichnet, daß die Kontaktplatte (22) im Bereich einer ihrer Stirnseiten mit dem Rahmen (12) vernietet ist.
- Halteteil nach Anspruch 2, dadurch gekennzeichnet, daß eine Anschlußlasche (26) mit der Kontaktplatte (22) vernietet ist.
- Halteteil nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß eine Anschlußlasche (26) einstückig mit der Kontaktplatte (22) ausgebildet ist.
- Halteteil nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Kontaktplatte aus flexiblem Blech besteht.
- Halteteil nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Kontaktplatte (22) zum Rahmen (12) hin konvex gebogen und vorgespannt ist.
- Halteteil nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß in der Nähe der Befestigungsstelle auf der der Kontaktplatte (22) zugewandten Seite des Rahmens (12) sich aus der Ebene desselben erstreckende Nocken (28) vorgesehen sind.
- Halteteil nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Rahmen (12) Querstege (16) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3902205 | 1989-01-26 | ||
DE3902205A DE3902205A1 (de) | 1989-01-26 | 1989-01-26 | Halteteil fuer ptc-elemente |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0379874A1 EP0379874A1 (de) | 1990-08-01 |
EP0379874B1 true EP0379874B1 (de) | 1998-07-22 |
Family
ID=6372792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90100250A Expired - Lifetime EP0379874B1 (de) | 1989-01-26 | 1990-01-06 | Halteteil für PTC-Elemente |
Country Status (4)
Country | Link |
---|---|
US (1) | US4948953A (de) |
EP (1) | EP0379874B1 (de) |
JP (1) | JP2528499Y2 (de) |
DE (2) | DE3902205A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2671830B1 (fr) * | 1991-01-17 | 1994-02-18 | Garrier Giraudeau Noel | Rechauffeur electrique dans une enceinte pressurise avec limiteur de temperature. |
JP2532502Y2 (ja) * | 1991-02-20 | 1997-04-16 | 株式会社村田製作所 | 発熱ユニット |
KR930006439Y1 (ko) * | 1991-05-03 | 1993-09-24 | 주식회사 금성사 | 마그네트론의 방열장치 |
US5198640A (en) * | 1991-05-28 | 1993-03-30 | Yang Chiung Hsiang | Fully clad electric ptc heater with a finned protective casing |
US5277612A (en) * | 1992-04-21 | 1994-01-11 | Chrysler Corporation | Carrier for guiding and supporting semiconductor devices |
IL121915A0 (en) * | 1997-10-07 | 1998-03-10 | Body Heat Ltd | Immersible PTC heating device |
DE29719639U1 (de) * | 1997-11-05 | 1998-12-03 | Fritz Eichenauer Gmbh & Co Kg, 76870 Kandel | Vorrichtung zum Beheizen von Innenräumen, insbesondere von Kraftfahrzeugen |
EP1988749B1 (de) * | 2001-12-06 | 2012-02-08 | Eberspächer catem GmbH & Co. KG | Elektrische Heizvorrichtung |
EP1467599B1 (de) | 2003-04-12 | 2008-11-26 | Eichenauer Heizelemente GmbH & Co.KG | Vorrichtung zur Aufnahme von Keramik-Heizelementen und Verfahren zur Herstellung einer solchen |
DE20305936U1 (de) * | 2003-04-12 | 2003-07-24 | Beru AG, 71636 Ludwigsburg | Vorrichtung zur Aufnahme von Keramik-Heizelementen |
DE102005030392A1 (de) * | 2005-06-29 | 2007-01-04 | BSH Bosch und Siemens Hausgeräte GmbH | Hausgerät sowie Garguträger-Haltevorrichtung für ein Hausgerät |
DE502005004134D1 (de) * | 2005-09-23 | 2008-06-26 | Catem Gmbh & Co Kg | Wärmeerzeugendes Element einer Heizvorrichtung |
EP2025541B1 (de) * | 2007-07-18 | 2013-01-02 | Eberspächer catem GmbH & Co. KG | Wärmeerzeugendes Element einer elektrischen Heizvorrichtung |
EP2017546B1 (de) * | 2007-07-18 | 2016-04-13 | Eberspächer catem GmbH & Co. KG | Verfahren zum Herstellen einer elektrischen Heizvorrichtung sowie elektrischer Heizvorrichtungen |
DE502007005351D1 (de) * | 2007-07-20 | 2010-11-25 | Eberspaecher Catem Gmbh & Co K | Elektrische Heizvorrichtung insbesondere für Kraftfahrzeuge |
DE102007040407A1 (de) * | 2007-08-27 | 2009-03-05 | Epcos Ag | PTC-Anordnung |
KR101076191B1 (ko) * | 2008-12-05 | 2011-10-21 | 현대자동차주식회사 | 피티씨 로드 조립체 및 이를 이용한 피티씨 히터 |
DE102010061550B4 (de) | 2010-12-23 | 2023-06-07 | Webasto Ag | Elektrische Fahrzeugheizvorrichtung |
DE102012109801B4 (de) * | 2012-10-15 | 2015-02-05 | Borgwarner Ludwigsburg Gmbh | Elektrische Heizvorrichtung |
DE102018101453A1 (de) * | 2018-01-23 | 2019-07-25 | Borgwarner Ludwigsburg Gmbh | Heizvorrichtung und Verfahren zum Herstellung eines Heizstabes |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2606986A (en) * | 1951-07-14 | 1952-08-12 | Barber Colman Co | Resistance unit |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE23644C (de) * | H. POD-LIPSKY, V. MACHOWSKY in Prag und A. KASC in Listol | Rübenschneidevorrichtung | ||
JPS5224705Y2 (de) * | 1971-05-12 | 1977-06-04 | ||
US4242567A (en) * | 1978-06-05 | 1980-12-30 | General Electric Company | Electrically heated hair straightener and PTC heater assembly therefor |
DE2845965C2 (de) * | 1978-10-21 | 1983-01-20 | Fritz Eichenauer GmbH & Co KG, 6744 Kandel | Elektrisches Widerstandsheizelement |
DE2845894A1 (de) * | 1978-10-21 | 1980-04-30 | Eichenauer Fa Fritz | Elektrische widerstandsheizeinrichtung |
US4346285A (en) * | 1979-04-28 | 1982-08-24 | Murata Manufacturing Co., Ltd. | Heating device employing thermistor with positive coefficient characteristic |
DE2932026A1 (de) * | 1979-08-07 | 1981-02-26 | Bosch Siemens Hausgeraete | Elektrische heizeinrichtung mit einem heizelement aus kaltleitermaterial |
DE2948591A1 (de) * | 1979-12-03 | 1981-06-11 | Fa. Fritz Eichenauer, 6744 Kandel | Durchlauferhitzer |
DE3042420A1 (de) * | 1980-11-11 | 1982-06-24 | Fritz Eichenauer GmbH & Co KG, 6744 Kandel | Elektrischer heizkoerper mit ein oder mehreren flachen, quaderfoermigen heizelementen |
JPS60112281A (ja) * | 1983-11-18 | 1985-06-18 | 松下電工株式会社 | ヒ−タ |
JPS6191057U (de) * | 1984-11-16 | 1986-06-13 | ||
US4728779A (en) * | 1985-09-27 | 1988-03-01 | Tdk Corporation | PTC heating device |
JPH0734390B2 (ja) * | 1987-09-11 | 1995-04-12 | 株式会社村田製作所 | 正特性サーミスタ装置 |
-
1989
- 1989-01-26 DE DE3902205A patent/DE3902205A1/de not_active Withdrawn
- 1989-04-12 US US07/337,083 patent/US4948953A/en not_active Expired - Lifetime
- 1989-06-26 JP JP1989073647U patent/JP2528499Y2/ja not_active Expired - Lifetime
-
1990
- 1990-01-06 EP EP90100250A patent/EP0379874B1/de not_active Expired - Lifetime
- 1990-01-06 DE DE59010837T patent/DE59010837D1/de not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2606986A (en) * | 1951-07-14 | 1952-08-12 | Barber Colman Co | Resistance unit |
Also Published As
Publication number | Publication date |
---|---|
DE59010837D1 (de) | 1998-08-27 |
DE3902205A1 (de) | 1990-08-02 |
US4948953A (en) | 1990-08-14 |
JP2528499Y2 (ja) | 1997-03-12 |
EP0379874A1 (de) | 1990-08-01 |
JPH0298601U (de) | 1990-08-06 |
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