EP0484587A1 - Relais électromagnétique avec module de commande - Google Patents

Relais électromagnétique avec module de commande Download PDF

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Publication number
EP0484587A1
EP0484587A1 EP90121500A EP90121500A EP0484587A1 EP 0484587 A1 EP0484587 A1 EP 0484587A1 EP 90121500 A EP90121500 A EP 90121500A EP 90121500 A EP90121500 A EP 90121500A EP 0484587 A1 EP0484587 A1 EP 0484587A1
Authority
EP
European Patent Office
Prior art keywords
integrated circuit
flat
relay
relay according
housing
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
EP90121500A
Other languages
German (de)
English (en)
Other versions
EP0484587B1 (fr
Inventor
Florenz Dipl.-Ing. Von Guttenberg (Fh)
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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
Priority to DE59009448T priority Critical patent/DE59009448D1/de
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to AT90121500T priority patent/ATE125640T1/de
Priority to EP90121500A priority patent/EP0484587B1/fr
Priority to ES90121500T priority patent/ES2074511T3/es
Priority to US07/783,808 priority patent/US5170322A/en
Priority to CA002055004A priority patent/CA2055004A1/fr
Priority to PT99459A priority patent/PT99459B/pt
Priority to JP3292665A priority patent/JPH0589758A/ja
Publication of EP0484587A1 publication Critical patent/EP0484587A1/fr
Application granted granted Critical
Publication of EP0484587B1 publication Critical patent/EP0484587B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/12—Ventilating; Cooling; Heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit

Definitions

  • the invention relates to an electromagnetic relay with a housing, with connection elements led out of the housing and with a control module arranged in the housing in the form of an integrated circuit.
  • relays for certain purposes to regulate the control voltage or the coil current with a high thermal load both due to high switching currents inside the relay and due to high ambient temperatures.
  • a typical application for such relays is the motor vehicle, where the contacts have to carry very high currents at low voltages, while the ambient temperature fluctuates greatly and can be, for example, up to 125 ° C. If you add the self-heating of the relay, there are thermal loads of up to 200 ° C, which an integrated circuit cannot cope with. Precisely because of the strong temperature fluctuations, however, regulation of the control voltage is desired or necessary, and in this case the control module would also like to be accommodated in the relay housing in order to save space and installation.
  • the object of the invention is to provide a relay of the type mentioned with an integrated circuit housed in the relay housing as a control module, in which the harmful effects of elevated temperatures, be it due to the heat loss in the coil and contacts, be it through the self-heating of the circuit, can be eliminated or at least significantly reduced with as little design effort as possible.
  • connection elements designed as a flat plug is thermally coupled to the substrate of the integrated circuit as a cooling plate on a coupling section of its flat side.
  • the flat plugs as used for example for motor vehicle relays, have a width of 6.3 or 9.5 mm and a thickness of 0.8 to 1.2 mm. With such a large cross-section, good heat dissipation is possible since the wiring connected to the flat plug via a jack or a cable lug carries the heat on.
  • the large cross section of the tabs for the connection elements of the contacts is important because of the high switching currents, while the coil connections per se only have to carry a relatively low current. According to the standard, however, the coil connection tabs have the same cross-section. For the control module to be connected to the coil, there is thus an additional advantageous use of this large plug cross section, which is present anyway, for heat dissipation.
  • the coupling section of the flat connector is expediently arranged above it in such a way that the circuit is shielded from heat sources in the relay.
  • the thermal coupling between the integrated circuit and the flat connector can be carried out by a thermal paste or by other means if the IC and the flat connector are mounted as separate parts.
  • the integrated circuit can also be arranged flat between parallel coupling sections of two flat plugs in thermally conductive coupling, it being firmly connected to at least one of the flat plugs. In this case, heat is dissipated via two flat plugs and is therefore even more effective. If the materials permit, the integrated circuit can be firmly connected to both flat plugs, one connection of the circuit being contacted with one of the flat plugs. However, if a relative movement due to the thermal expansion of the different parts has to be taken into account, only one of the flat plugs is firmly connected to the IC, while the second flat plug is connected loosely, but also thermally conductive, and contacted via a flexible connection with the corresponding connection element of the IC .
  • the integrated circuit can be arranged together with the respective coupling section of the flat connector or the flat connector at least partially within the base plate, preferably embedded. Different types of fastening are possible.
  • the remaining openings are sealed by potting compound, for example covering and sealing the flexible connections. This is particularly advantageous if the flat plug with the integrated circuit is inserted or embedded in the region of a recess which is only accessible from the outside of the relay housing. In this case, subsequent sealing is definitely desirable.
  • Figure 1 basically shows the connection of a control module in the form of an integrated circuit 1 for controlling a coil 2 in a relay.
  • the coil connections 3 and 4 lead to the outside, which are connected to the coil 2 in the interior of the relay partly directly and partly indirectly via the three connections 11, 12 and 13 of the integrated circuit.
  • FIG. 2 shows a schematic sectional illustration of a relay housing with a cap 6 and a base plate 5, the arrangement of the coil 2 and its connection to the coil connections 3 and 4, which are designed as tabs 31 and 41.
  • the flat plug 31 has on the inside of the base plate 5 a bent coupling section 32 which shields the IC 10 arranged in a recess 51 of the base plate 5 against the coil and against other heat sources, not shown, in the relay.
  • a good thermal connection between the IC 10 and the coupling section 32 of the flat connector is produced with a thermal paste 52.
  • FIGS. 3 and 4 show an integrated circuit 1 which is produced as a one-piece component with a coupling section 32 in the form of a cooling plate, the flat plug 31 being formed directly on this cooling plate.
  • the cooling plate in the form of the coupling section 32 directly forms the circuit connection 11 from FIG. 1, while the two connections 12 and 13 are led out separately.
  • the cooling plate in the form of the coupling section 32 can be anchored vertically according to FIG. 3 with the flat plug 31 or angled according to FIG. 4 in the base plate 5.
  • FIG. 5 to 7 show an embodiment in which an angled coupling section 32 of the tab 31 and an angled second coupling section 42 of the tab 41 overlap in parallel.
  • the integrated circuit 10 is inserted between these two coupling sections in the overlap region, it being firmly connected to the coupling section 32, but is only loosely connected to the coupling section 42, but is also thermally conductive.
  • the thermal conduction can also be ensured here by a thermal paste. Since the coupling section 42 also requires an electrical connection to the connection 13 of the IC 10, this connection 13a is designed to be flexible and contacted separately.
  • the two tabs with their coupling sections 32 and 42 are firmly anchored in the base plate 5 by inserting or embedding, the flexible connection 13a and the connection 12 led to the coil being accessible in an opening 7 to the interior of the housing. If necessary, this can The opening can be subsequently sealed or encapsulated by potting compound or the like.
  • FIG. 6 A similar arrangement of the flat plugs 31 and 41 is shown in FIG. 6, in which case a fixed coupling is provided between the IC 10 and the coupling section 42. A loose coupling is thus formed between the IC 10 and the coupling section 32; therefore, in this case, the connection 11 of the IC is contacted with the coupling section 32 via a flexible connection 11a.
  • FIG. 7 the arrangement of FIG. 6 has been modified to the extent that embedding or other anchoring of the coupling sections 32 and 42 is now carried out in such a way that a recess 8 is accessible from the outside.
  • this recess can be subsequently sealed with potting compound 9.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Burglar Alarm Systems (AREA)
  • Air Bags (AREA)
  • Valve Device For Special Equipments (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Fuses (AREA)
  • Connection Or Junction Boxes (AREA)
EP90121500A 1990-11-09 1990-11-09 Relais électromagnétique avec module de commande Expired - Lifetime EP0484587B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT90121500T ATE125640T1 (de) 1990-11-09 1990-11-09 Elektromagnetisches relais mit regelbaustein.
EP90121500A EP0484587B1 (fr) 1990-11-09 1990-11-09 Relais électromagnétique avec module de commande
ES90121500T ES2074511T3 (es) 1990-11-09 1990-11-09 Rele electromagnetico con modulo de regulacion.
DE59009448T DE59009448D1 (de) 1990-11-09 1990-11-09 Elektromagnetisches Relais mit Regelbaustein.
US07/783,808 US5170322A (en) 1990-11-09 1991-10-29 Electromagnetic relay system having a control module thermally coupled to a terminal element acting as a heat shield and cooling plate
CA002055004A CA2055004A1 (fr) 1990-11-09 1991-11-07 Relais electromagnetique a module de commande
PT99459A PT99459B (pt) 1990-11-09 1991-11-08 Rele electromagnetico com um componente de regulacao
JP3292665A JPH0589758A (ja) 1990-11-09 1991-11-08 電磁式のリレー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90121500A EP0484587B1 (fr) 1990-11-09 1990-11-09 Relais électromagnétique avec module de commande

Publications (2)

Publication Number Publication Date
EP0484587A1 true EP0484587A1 (fr) 1992-05-13
EP0484587B1 EP0484587B1 (fr) 1995-07-26

Family

ID=8204703

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90121500A Expired - Lifetime EP0484587B1 (fr) 1990-11-09 1990-11-09 Relais électromagnétique avec module de commande

Country Status (8)

Country Link
US (1) US5170322A (fr)
EP (1) EP0484587B1 (fr)
JP (1) JPH0589758A (fr)
AT (1) ATE125640T1 (fr)
CA (1) CA2055004A1 (fr)
DE (1) DE59009448D1 (fr)
ES (1) ES2074511T3 (fr)
PT (1) PT99459B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996041428A1 (fr) * 1995-06-07 1996-12-19 National Digital Electronics, Inc. Systeme de telemetrie et de commande comprenant un relais intelligent
WO1997042642A1 (fr) * 1996-05-07 1997-11-13 Siemens Aktiengesellschaft Relais hybride
EP2133962A1 (fr) * 2008-06-13 2009-12-16 Delphi Technologies, Inc. Relais de véhicule automobile

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555484A (en) * 1994-04-04 1996-09-10 Von Duprin, Inc. Electromagnetic door holder system
DE19522126C2 (de) * 1995-06-19 1999-01-28 Hella Kg Hueck & Co Elektronischer Lastschalter für ein Kraftfahrzeug, beispielsweise Blinkgeber
DE19636932C1 (de) * 1996-09-11 1998-01-02 Siemens Ag Relais mit Überlastschutz
DE19837241C1 (de) * 1998-08-17 2000-07-27 Tyco Electronics Logistics Ag Elektromagnetisches Relais
TWI243636B (en) * 2004-06-10 2005-11-11 Delta Electronics Inc Assembling structure of electronic apparatus and assembling method therefor
JP2007184132A (ja) * 2006-01-05 2007-07-19 Nec Tokin Corp 電磁継電器
JP5131218B2 (ja) * 2008-09-12 2013-01-30 アンデン株式会社 電磁継電器
JP5131219B2 (ja) * 2009-02-02 2013-01-30 アンデン株式会社 電磁継電器
US7933126B2 (en) * 2009-03-11 2011-04-26 Schneider Electric USA, Inc. Solid state relay with internal heat sink
DE102009029476B4 (de) 2009-09-15 2012-11-08 Lisa Dräxlmaier GmbH Elektronische Vorrichtung zum Schalten von Strömen und Herstellungsverfahren für dieselbe
US8552824B1 (en) * 2012-04-03 2013-10-08 Hamilton Sundstrand Corporation Integrated planar electromechanical contactors
US20170062793A1 (en) * 2015-08-24 2017-03-02 Elitise Llc Contactor assembly for battery module
JP3204154U (ja) * 2016-02-26 2016-05-19 ホライズン株式会社 充電用コネクタ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060847A (en) * 1976-03-11 1977-11-29 Power Management Corporation Cooling arrangement for electrical power contactor
DE3614919A1 (de) * 1986-05-02 1987-11-05 Hengstler Bauelemente Elektromagnetisches kleinstrelais
EP0281950A1 (fr) * 1987-03-13 1988-09-14 Siemens Aktiengesellschaft Relais électromagnétique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3716102A1 (de) * 1987-05-14 1988-11-24 Bosch Gmbh Robert Elektrisches schalt- und steuergeraet
US5018050A (en) * 1987-11-17 1991-05-21 Omron Tateisi Electronics Co. Solid state relay

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060847A (en) * 1976-03-11 1977-11-29 Power Management Corporation Cooling arrangement for electrical power contactor
DE3614919A1 (de) * 1986-05-02 1987-11-05 Hengstler Bauelemente Elektromagnetisches kleinstrelais
EP0281950A1 (fr) * 1987-03-13 1988-09-14 Siemens Aktiengesellschaft Relais électromagnétique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996041428A1 (fr) * 1995-06-07 1996-12-19 National Digital Electronics, Inc. Systeme de telemetrie et de commande comprenant un relais intelligent
WO1997042642A1 (fr) * 1996-05-07 1997-11-13 Siemens Aktiengesellschaft Relais hybride
EP2133962A1 (fr) * 2008-06-13 2009-12-16 Delphi Technologies, Inc. Relais de véhicule automobile

Also Published As

Publication number Publication date
EP0484587B1 (fr) 1995-07-26
DE59009448D1 (de) 1995-08-31
JPH0589758A (ja) 1993-04-09
PT99459B (pt) 1999-02-26
CA2055004A1 (fr) 1992-05-10
ES2074511T3 (es) 1995-09-16
US5170322A (en) 1992-12-08
ATE125640T1 (de) 1995-08-15
PT99459A (pt) 1993-11-30

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