EP0956622B1 - Kontaktschutzgehäuse für einen elektrischen anschluss - Google Patents

Kontaktschutzgehäuse für einen elektrischen anschluss Download PDF

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Publication number
EP0956622B1
EP0956622B1 EP98909281A EP98909281A EP0956622B1 EP 0956622 B1 EP0956622 B1 EP 0956622B1 EP 98909281 A EP98909281 A EP 98909281A EP 98909281 A EP98909281 A EP 98909281A EP 0956622 B1 EP0956622 B1 EP 0956622B1
Authority
EP
European Patent Office
Prior art keywords
housing
contact protection
protection housing
housing part
seal
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
EP98909281A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0956622A1 (de
Inventor
Walter Wuerth
Gerhard Liebing
Hans Staudenmaier
Markus Nieslony
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0956622A1 publication Critical patent/EP0956622A1/de
Application granted granted Critical
Publication of EP0956622B1 publication Critical patent/EP0956622B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins

Definitions

  • the invention relates to a contact protection housing for electrical connection, with the contacts in at least a housing filled with potting compound.
  • Reactive 1-component or 2-component are preferably used as casting compound Adhesives / sealants used at room temperature or harden at elevated temperature. The processing usually takes place under atmospheric pressure.
  • DE 30 14 333 A1 discloses a housing of the type mentioned Known type, which is chamber-like, being within the chamber, which is designed in particular as a tub Components.
  • a potting compound is placed in the housing filled in in liquid form, which spreads and hardens.
  • the disadvantage here is that depending on the contour of the chamber and given by certain parameters depending on the contact zone formation undercuts and cavities can exist in which the sealing compound does not fully occur during its curing process, so that air pockets are formed that the protective function questioning the shedding.
  • the contact protection housing according to the invention provides his education from at least two lost, one closed form composite housing parts and the Use a gas permeable seal to ensure that not just a leak of liquid, respectively not hardened potting compound is prevented, but has furthermore the property of being gas-permeable. This speeds up the emergence of those displaced by the potting compound Air, so that the security of a void-free potting increases becomes.
  • the contact protection housing is composed of at least two Housing parts there is, in particular pressurized pouring of the potting compound onto a tight fit. For this is located on a the housing parts have a circumferential groove in which a seal is inserted, which is when assembling the two housing parts ensures the seal to the opposite contour.
  • the potting compound filling channel formed in the contact protection housing opens preferably on the outside of the Housing in a molding tool sealing judge. This is used for coupling an injection tool for the feed the sealing compound.
  • the injection tool and the sealing funnel form for the time of the potting process a tight and secure connection. This ensures that liquid potting compound that is in the contact protection housing is introduced, not at the contact point between emerge from the injection tool and the sealing funnel can. This simple contacting of the injection tool and the contact protection housing to be filled this is particularly true for line production.
  • the injection molding tool sealing funnel is preferably formed such that it has a contact protection housing side towers above, in particular via a predetermined breaking point this is attached. This has the advantage that after Potting process and hardening of the sealing compound of the sealing funnel can be easily removed. This can For example, the production time for a series production shorten.
  • FIG. 1 shows a contact protection housing 1, from but only the part relevant to the invention is shown (termination lines 2).
  • the contact protection housing 1 has a first housing part 3 and a second housing part 4 ( Figure 2).
  • the first Housing part 3 forms a base part 5, which the quasi a cover 6 forming second housing part supplied can be, being between the two Housing parts 3 and 4 with dotted in Figure 2 Line 7 indicated joint 8 sets.
  • in the Housing part 3 is open towards the parting line 8 Connection chamber 9 formed in the electrical Contacts 10 are.
  • the connection chamber 9, for protection the contacts 10- filled with a potting compound 11 are.
  • the contacts 10 are thus in the Potting compound 11 embedded and are against environmental influences protected.
  • connection chamber 9 of the first housing part 3 has, for example, a substantially rectangular one Floor plan on ( Figure 1). They are in it Contacts 10 belonging, by suitable means fixedly positioned contact tongues 12 which electrical devices not shown here lead, for example, to a pedal value transmitter, a service brake valve or one Pump control unit of a motor vehicle. Now this Connect electrical / electronic device electrically to be able to, for example, a wiring harness a motor vehicle, it is necessary to electrical wires of the wiring harness in contact to bring with the contact tongues 12. This happens according to Figures 1 and 2 by means of cable holders 13 and 14.
  • the line holders 13 and 14 are preferred formed as plastic parts, the conduit 15 have. In the duct 15 electrical lines 16 are introduced, the means they are held in the desired position.
  • guide means 17 which designed for example as groove / projection guides are so that the inserted into the housing part 3 Line holder 13 and 14 in a connection chamber 9 defined position.
  • the electrical lines 16 have strands as conductors 18 on, when the line holder is inserted 13 and 14 in the housing part 3 in opposition get to the contact tongues 12.
  • immovable fixing screws 19 are provided, the through holes 20 of the line holder 13 and 14 reach through and in threaded holes 21 of the housing part 3 are screwed.
  • the housing part 4 forming the cover 6 goes out Figures 2, 3 and 4 emerge. It points to his Inside 22 a step-shaped recess 23, the contour of the connection chamber 9 is essentially adapted. In the reason 24 of the Recess 23 opens into a casting compound filling channel 25, which is in the form of an injection mold sealing funnel 26 to the top 27 of the Cover 6 extends. Inside the recess 23 a seal 28 is arranged, according to the figure 3- is self-contained, this being closed Contour in the assembled state of the housing parts 3 and 4 surrounds the connection chamber 9. The figure 3 it can be seen that the seal 28 is designed in this way is that they are the heads of the mounting screws 19 with encloses.
  • the filling pressure is preferably until the melt solidifies and lies in particular in the range between 5 and 50 bar. After this The injection mold solidifies from the injection mold sealing funnel 26 removed.
  • the uniform material, i.e. through material cut-out, Formed potting filler channel 25 to Top 27 of the housing part 4 extends and that - based on this - the injection mold sealing funnel 26 the contact protection housing side 29 (FIG 4) towering outwards.
  • the contact protection housing side 29 (FIG 4) towering outwards.
  • the invention is not limited to that only a casting compound filling channel 25 in the cover 6 is provided, but there can also be several such channels can be provided and it is also also possible that only such channels in the Housing part 3 or channels both in the housing part 3 and in the housing part 4 are provided.
  • the invention allows without waiting in one Manufacturing line to manufacture. There are not any Furnaces or buffer zones are required, as is the case with 1- or 2-component reactive resin is necessary so that a simple and inexpensive manufacture is guaranteed with reliable contact protection.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP98909281A 1997-01-31 1998-01-26 Kontaktschutzgehäuse für einen elektrischen anschluss Expired - Lifetime EP0956622B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19703686 1997-01-31
DE19703686A DE19703686C2 (de) 1997-01-31 1997-01-31 Kontaktschutzgehäuse für einen elektrischen Anschluß
PCT/DE1998/000227 WO1998034303A1 (de) 1997-01-31 1998-01-26 Kontaktschutzgehäuse für einen elektrischen anschluss

Publications (2)

Publication Number Publication Date
EP0956622A1 EP0956622A1 (de) 1999-11-17
EP0956622B1 true EP0956622B1 (de) 2002-06-19

Family

ID=7818963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98909281A Expired - Lifetime EP0956622B1 (de) 1997-01-31 1998-01-26 Kontaktschutzgehäuse für einen elektrischen anschluss

Country Status (6)

Country Link
US (1) US6291787B1 (es)
EP (1) EP0956622B1 (es)
JP (1) JP2001509308A (es)
DE (2) DE19703686C2 (es)
ES (1) ES2179469T3 (es)
WO (1) WO1998034303A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19963933A1 (de) * 1999-12-31 2001-07-12 Bosch Gmbh Robert Kontaktschutzgehäuse, Einspritzpumpe und Verfahren zum Montieren eines Kontaktschutzgehäuses mit Hilfe eines Adapters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555215A (en) * 1969-06-06 1971-01-12 Allen Bradley Co Modular limit switch
DE7929603U1 (de) * 1979-10-19 1982-12-02 Robert Bosch Gmbh, 7000 Stuttgart Elektrisches Gerät, vorzugsweise Relais für Kraftfahrzeue
DE3014333C2 (de) 1980-04-15 1982-05-06 R. Stahl Schaltgeraete Gmbh, 7118 Kuenzelsau Verfahren zum teilweisen Vergießen einer Bauelemente enthaltenden Kammer eines Gehäuses und mehrteiliges Gehäuse zur Durchführung des Verfahrens
GB2204194B (en) 1987-04-30 1991-04-24 Amp Inc Sealed electrical connector and method of assembly
DE8900466U1 (de) * 1989-01-17 1989-03-02 Siemens AG, 1000 Berlin und 8000 München Gehäuse für ein elektromechanisches Bauelement, insbesondere für ein Relais
DE9206130U1 (de) * 1992-05-07 1992-07-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart HF-dichtes Gehäuse

Also Published As

Publication number Publication date
WO1998034303A1 (de) 1998-08-06
DE19703686C2 (de) 1999-04-29
US6291787B1 (en) 2001-09-18
DE59804509D1 (de) 2002-07-25
DE19703686A1 (de) 1998-08-06
EP0956622A1 (de) 1999-11-17
ES2179469T3 (es) 2003-01-16
JP2001509308A (ja) 2001-07-10

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