EP0468096B1 - Boîtier pour un composant électrique, en particulier un relais - Google Patents

Boîtier pour un composant électrique, en particulier un relais Download PDF

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Publication number
EP0468096B1
EP0468096B1 EP90124633A EP90124633A EP0468096B1 EP 0468096 B1 EP0468096 B1 EP 0468096B1 EP 90124633 A EP90124633 A EP 90124633A EP 90124633 A EP90124633 A EP 90124633A EP 0468096 B1 EP0468096 B1 EP 0468096B1
Authority
EP
European Patent Office
Prior art keywords
distribution
channel
channels
edge
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.)
Expired - Lifetime
Application number
EP90124633A
Other languages
German (de)
English (en)
Other versions
EP0468096A1 (fr
Inventor
Horst Dipl.-Ing. Hendel (Fh)
Herbert Dipl.-Ing. Mitschik (Fh)
Dietrich Dipl.-Ing. Schwarz (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
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0468096A1 publication Critical patent/EP0468096A1/fr
Application granted granted Critical
Publication of EP0468096B1 publication Critical patent/EP0468096B1/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
    • H01H50/02—Bases; Casings; Covers
    • H01H50/023—Details concerning sealing, e.g. sealing casing with resin

Definitions

  • the invention relates to a housing for an electrical component, in particular a relay, with a housing wall which closes off a hollow interior and which has sealing points, such as openings and gaps in the region of connecting pins and / or on their edge, according to the preamble of patent claim; see DE-A 28 51 329.
  • the object of the invention is to provide a housing of the type mentioned in the introduction, in which a particularly rapid and reliable distribution of a sealing compound from one or more filling points to the sealing points is ensured by an improved surface structure of the relevant housing wall.
  • such a housing has the features according to patent claim 1 to achieve the stated object.
  • elements of capillary systems which are known per se are combined by additionally forming a distribution rib in the distribution channels, which results in a system of double channels.
  • a distribution rib in the distribution channels, which results in a system of double channels.
  • the distribution channels open at approximately equal distances into a circumferential edge channel, the width of which is expediently less than the width of the distribution channels.
  • the distribution ribs of the distribution channels extend into the edge channel up to its outer wall. This outer wall is usually formed by the edge of a housing cap which is placed on a base part or a base or the like and forms an edge gap to be sealed with the latter.
  • special end channels can be provided which branch off from a distribution channel or from the edge channel. It is advantageous if the width of the capillary sections decreases from the respective filling container via the distribution channels to the edge channel or to the end channels.
  • the base body 1 shown in FIGS. 1 and 2 for a relay housing is largely flat and is provided on its upper side with projections 2 for fastening a relay system (not shown further).
  • the base body 1 has approximately round openings 3 for wire-shaped coil connection pins and rectangular openings 4, 5 and 6 for differently designed contact connection elements. After inserting the aforementioned pins, not shown, into the openings 3 to 6 and after the relay has been fully assembled these openings 3 to 6 are sealed with potting compound.
  • an edge gap 8 is to be sealed, which is formed all around between the base body 1 and a housing cap 7 from above, as shown in FIG.
  • a ventilation hole 10 formed in a protruding pin 9 should only be sealed in a manner known per se after the casting compound has hardened.
  • Distribution channels 13 branch off from these filling containers in the direction of the openings 3 or 4, 5 and 6 and the edge gaps 8.
  • Each of these distribution channels 13 is divided in the middle in the longitudinal direction by a distribution rib 14 into two sub-channels 13a and 13b, a sharp inner edge being formed in each case between the channel bottom and the side walls of the distribution channels or the distribution ribs.
  • the depth of the distribution channels corresponds approximately to the width of the sub-channels and, in an expedient embodiment, is approximately between 0.3 and 0.4 mm. Depending on the viscosity of the potting compound, other dimensions can also be favorable.
  • a peripheral edge channel 15 is also formed, the width of which is smaller than that of the distribution channels, if possible also less than that of the sub-channels.
  • a particularly favorable embodiment has an edge channel with a width between 0.2 and 0.3 mm.
  • the distribution channels are arranged so that they open into the edge channel at approximately equal intervals.
  • the distribution ribs are up to the opening 3 and from this further to the edge channel.
  • the distribution ribs 14 still extend over the width of the respective edge channel 15 to the outside thereof and thus abut the housing cap 7. To this The potting compound is guided very well into the marginal gaps 8.
  • small end channels 16, 17 and 18 with a particularly small width and thus particularly good capillary action are additionally provided, which branch off either from one of the distribution channels 13 or from the edge channel 8.
  • the gradual reduction in the channel cross section with increasing distance from a filling container ensures that the potting compound is sucked out quickly and completely from the filling container 11 or 12 and transported to the most distant sealing points.
  • FIG. 3 shows a somewhat modified embodiment of a housing element in the form of a base plate 21, which together with a cap (not shown) also forms a housing for a relay or a similar component.
  • a central filling container 22 is formed, from which distribution channels 23 with distribution ribs 24 lead to the various housing openings 25 and 26 with a round or rectangular shape and to an edge channel 28.
  • the distribution ribs 24 are each led into the openings 25 and 26 with vertical sections 27, the side walls 29 being designed to be somewhat beveled in this area. This results in a capillary action between the rib sections 27 and the respective breakthrough walls 29 up to the openings.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Casings For Electric Apparatus (AREA)
  • Packages (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Mounting Components In General For Electric Apparatus (AREA)
  • Connection Or Junction Boxes (AREA)

Claims (5)

  1. Boîtier destiné à un composant électrique, notamment à un relais, comportant une paroi (1) de boîtier obturant un espace intérieur creux, laquelle présente des points d'étanchéité, tels que des percements (3, 4, 5, 6 ; 25, 26) et des fentes (8) dans la zone de broches de sortie et/ou sur le bord de celles-ci, ayant les caractéristiques suivantes :
    a) au moins un réservoir (11, 12, 22) de remplissage destiné à la masse de scellement est moulé sur la paroi externe (1) du boîtier,
    b) à partir de chaque réservoir de remplissage, au moins un canal de répartition (13 23) formant une voie capillaire se dirige vers au moins un point (3, 4, 5, 6 ; 25, 26) d'étanchéité et vers un canal périphérique (15) qui entoure la paroi de boîtier,
    c) dans chaque canal (13 ; 23) de répartition, un bord intérieur vif est formé entre le fond du canal et les parois du canal;
    caractérisé par les particularités suivantes :
    d) une nervure (14 ; 24) de répartition s'étend dans le milieu d'un canal (13 ; 23) de répartition parallèlement aux parois latérales de celui-ci,
    e) chacune des nervures (14 ; 24) de répartition issues des canaux (13 ; 23) de répartition est prolongée dans le canal périphérique (15 ; 28) et ce jusqu'à la paroi extérieure (7) de ce dernier et
    f) la largeur des voies capillaires diminue du réservoir (11,12, 22) de remplissage correspondant jusqu'au canal périphérique (15 ; 28) en passant par les canaux (13 ; 23) de répartition.
  2. Boîtier selon la revendication 1, caractérisé par le fait que les canaux (13) de répartition comportant des nervures (14) de répartition débouchent dans le canal périphérique (15) à des intervalles approximativement identiques.
  3. Boîtier selon la revendication 1 ou 2, caractérisé par le fait qu'un canal terminal (16, 17, 18) s'étend jusqu'à un point d'étanchéité à partir de l'un au moins des canaux (13 ; 23) de répartition ou, selon le cas, du canal périphérique (15 ; 28), et que la largeur des voies capillaires diminue du réservoir (11, 12 ; 22) de remplissage correspondant jusqu'au canaux terminaux (16, 17, 18) en passant par les canaux (13 ; 23) de répartition.
  4. Boîtier selon l'une des revendications 1 à 3, caractérisé par le fait que le fond et les côtés des canaux (13 ; 23) de répartition et des nervures (14 ; 24) de répartition sont rendus rugueux.
  5. Boîtier selon l'une des revendications 1 à 4, caractérisé par le fait que l'on donne la forme d'un canal multiple à l'un au moins des canaux de répartition au moyen de deux nervures de répartition ou plus.
EP90124633A 1990-07-27 1990-12-18 Boîtier pour un composant électrique, en particulier un relais Expired - Lifetime EP0468096B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9011111U 1990-07-27
DE9011111U DE9011111U1 (de) 1990-07-27 1990-07-27 Gehäuse für ein elektrisches Bauelement, insbesondere ein Relais

Publications (2)

Publication Number Publication Date
EP0468096A1 EP0468096A1 (fr) 1992-01-29
EP0468096B1 true EP0468096B1 (fr) 1995-02-15

Family

ID=6855999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90124633A Expired - Lifetime EP0468096B1 (fr) 1990-07-27 1990-12-18 Boîtier pour un composant électrique, en particulier un relais

Country Status (5)

Country Link
US (1) US5194694A (fr)
EP (1) EP0468096B1 (fr)
AT (1) ATE118645T1 (fr)
DE (2) DE9011111U1 (fr)
PT (2) PT98443A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9118599D0 (en) * 1991-08-30 1991-10-16 Moulded Circuits Ltd Manufacturing method for electrical circuit board
US5497136A (en) * 1992-11-30 1996-03-05 Dana Corporation Locating ring for encapsulating a coil
AU677958B2 (en) * 1993-02-03 1997-05-15 A-Dec, Incorporated Control panel with sealed switch keypad
DE4337505C1 (de) * 1993-11-03 1995-03-30 Siemens Ag Elektromechanisches Bauelement, insbesondere Relais, mit dichtem Gehäuse
US5462622A (en) * 1994-06-09 1995-10-31 Illinois Tool Works Inc. Molding an electrical element within a premold element and an overmold element to provide a one-piece component
DE19531046A1 (de) * 1995-08-23 1997-02-27 Siemens Ag Elektromagnetisches Relais und Verfahren zu dessen Herstellung
EP1720389B1 (fr) * 2005-04-25 2019-07-03 Brother Kogyo Kabushiki Kaisha Procédé de formation d'un motif
DE102007025338B4 (de) 2007-05-31 2015-02-05 Tyco Electronics Amp Gmbh Verfahren zum Abdichten eines Gehäuses und elektrische Komponente
JP7122674B2 (ja) * 2018-09-27 2022-08-22 パナソニックＩｐマネジメント株式会社 電気機器及び電磁継電器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH625381A5 (fr) * 1977-12-02 1981-09-15 Standard Telephon & Radio Ag
DE7821508U1 (de) * 1978-07-18 1978-10-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektromechanisches Bauelement, insbesondere Relais
DE3026371C2 (de) * 1980-07-11 1990-07-12 Siemens AG, 1000 Berlin und 8000 München Gehäuse für ein elektrisches Bauelement und Verfahren zu dessen Abdichtung
US4810831A (en) * 1986-09-30 1989-03-07 Siemens-Albis Aktiengesellschaft Housing for an electrical component, and method for sealing same
DE3706100A1 (de) * 1987-02-25 1988-09-08 Siemens Ag Elektromechanisches bauelement, insbesondere elektromagnetisches relais

Also Published As

Publication number Publication date
PT8823U (pt) 1997-09-30
DE9011111U1 (de) 1991-11-21
ATE118645T1 (de) 1995-03-15
EP0468096A1 (fr) 1992-01-29
US5194694A (en) 1993-03-16
DE59008487D1 (de) 1995-03-23
PT8823T (pt) 1993-12-31
PT98443A (pt) 1993-09-30

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