EP3262717B1 - Connexion enfichable pour une connexion électrique - Google Patents

Connexion enfichable pour une connexion électrique Download PDF

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Publication number
EP3262717B1
EP3262717B1 EP16700364.9A EP16700364A EP3262717B1 EP 3262717 B1 EP3262717 B1 EP 3262717B1 EP 16700364 A EP16700364 A EP 16700364A EP 3262717 B1 EP3262717 B1 EP 3262717B1
Authority
EP
European Patent Office
Prior art keywords
collet
clamping
contact
clamping ring
line
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.)
Active
Application number
EP16700364.9A
Other languages
German (de)
English (en)
Other versions
EP3262717A1 (fr
Inventor
Stefan Huehner
Adolf Dillmann
Reiner Holp
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 EP3262717A1 publication Critical patent/EP3262717A1/fr
Application granted granted Critical
Publication of EP3262717B1 publication Critical patent/EP3262717B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5016—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • 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
    • H01R13/02—Contact members
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
    • H01R11/289—End pieces consisting of a ferrule or sleeve for connections to batteries characterised by the shape or the structure of the battery post

Definitions

  • the present invention relates to a connector for an electrical connection.
  • plug contact systems are used for separable electrical connections between lines.
  • plug contact systems are used with spring contacts or screw.
  • Plug contacts can be joined concealed, with screw connections require accessibility for the screwing.
  • plug contacts often do not meet the necessary vibration requirements, e.g. for control units for gearbox and engine mounting in a vehicle.
  • the plug contact systems can not be built arbitrarily large. In the vehicle area, the insertion forces for manual installation should be less than 75 N.
  • the base material of the spring contacts of plug-in contact systems has a poor electrical and thermal conductivity due to the required spring properties.
  • the contact surfaces are usually punctiform or linear and thus limited in size to a few square millimeters. Because of the poor electrical and thermal conductivity and the small contact surfaces results in an electrical and thermal resistance, which leads to strong warming of the contact system. This limits the current carrying capacity.
  • the limit temperature for contact systems is, for example, 180 ° C.
  • the present invention shows a plug connection in which a contact pin over a large area over almost the entire circumference with a collet comes into contact (first and second embodiment), or a contact sleeve over the entire circumference over the entire circumference with a clamping bolt in Contact comes (third embodiment).
  • a contact pin over a large area over almost the entire circumference with a collet comes into contact
  • a contact sleeve over the entire circumference over the entire circumference with a clamping bolt in Contact comes (third embodiment).
  • the invention there is no point or line contact, but a flat contact.
  • it is not a conventional spring contact, so that the system according to the invention can be plugged with very little force.
  • Highly conductive copper or aluminum can be used for the base material, resulting in very low electrical and thermal contact resistance.
  • a relative movement between the contact pin and collet or between the contact sleeve and clamping bolt due to the heating is prevented by the large surface contact and the good thermal conductivity of the base materials.
  • Preference is here a pure plug-in system, no screw, provided so that can be joined concealed, which requires no accessibility for a tool.
  • the connector according to the invention allows a very low height, since only a small joint depth is required.
  • the connector includes (according to the first and second embodiments) connectable to the first line contact pin and connectable to the second line collet.
  • the connector is closed by the contact pin is inserted into the collet.
  • the collet has for this purpose a recess into which the contact pin is inserted.
  • the geometric shape of the recess corresponds to the geometric shape of the contact pin.
  • the outer diameter of the contact pin corresponds to the inner diameter of the recess. This ensures that the contact pin rests with its circumference in the recess.
  • the collet has a conical collet outer surface.
  • this slot is also referred to as an axial slot extending in the radial direction completely from the recess through the wall surrounding the recess to the outside.
  • the at least one slot divides the region of the collet surrounding the recess into at least one clamping jaw.
  • n slots form n jaws, where n ⁇ 1.
  • the connector further includes a clamping ring with conical clamping ring inner surface.
  • the conical clamping ring inner surface abuts against the conical collet outer surface. Due to the relative movement between the collet and the clamping ring, the at least one clamping jaw is braced or pressed against the contact pin due to the conical surfaces. This keeps the contact pin within the recess of the collet.
  • the contact pin and the collet are designed so that upon insertion of the contact pin into the recess, the collet is pressed into the clamping ring.
  • the clamping ring is thus fixed and the collet moves simultaneously with the insertion of the contact pin.
  • a receptacle preferably made of plastic.
  • the clamping ring is fixed in this receptacle.
  • the clamping ring is encapsulated by the plastic of the recording.
  • the collet is movable in the clamping ring.
  • the receptacle or a corresponding cover is designed so that the collet is taken captive.
  • the contact pin can be at the bottom of the collet and thereby press the collet.
  • the contact pin engage with a shoulder at the top or on a shoulder of the collet and thereby move the collet in the direction of the clamping ring.
  • the contact pin and the clamping ring are designed so that after insertion of the contact pin in the recess of the clamping ring is pressed onto the collet.
  • the collet is fixed.
  • the clamping ring is pressed onto the collet.
  • a decoupled from the contact pin part presses on the clamping ring.
  • a receptacle preferably made of plastic, is provided, wherein the collet is fixedly arranged in the receptacle.
  • part of the collet is received by the plastic of the receptacle as an abutment.
  • the clamping ring sits movably on the collet.
  • the receptacle or a lid are preferably designed such that the clamping ring is captively seated on the collet.
  • the invention further comprises (third embodiment) a connector for an electrical connection, wherein instead of the contact pin, a contact sleeve is used. Accordingly, a clamping bolt is used instead of the collet. The clamping bolt is tensioned by a mandrel.
  • the principle according to the invention remains the same, according to which clamping elements and flat contact partners are used.
  • the second connector thus includes a connectable to the first line contact sleeve and connectable to the second line clamping bolt.
  • the clamping bolt is designed for insertion into the contact sleeve.
  • the geometric shape of the inside of the contact sleeve corresponds to the geometric outer shape of the clamping bolt.
  • the inner diameter of the contact sleeve corresponds to the outer diameter of the clamping bolt, so that a flat contact is formed.
  • the clamping bolt has a conical clamping bolt inner surface.
  • the clamping bolt is divided with at least one slot in at least one clamping jaws.
  • the slot can be here again referred to as axial slot which extends from the conical clamping bolt inner surface through the entire surrounding wall to the outside.
  • a mandrel with conical mandrel outer surface is provided.
  • the mandrel outer surface abuts against the conical clamping bolt inner surface, wherein the at least one clamping jaw can be tensioned or pressed outwards against the contact sleeve by a relative movement between mandrel and clamping bolt.
  • the mandrel is arranged in the contact sleeve. This ensures that with the nesting of contact sleeve and clamping bolt at the same time the mandrel is inserted into the conical clamping bolt inner surface and thus at the same time the at least one clamping jaw is pressed to the outside.
  • Mandrel and the contact sleeve can together form a one-piece manufactured component. Alternatively, two separate components can be used.
  • contact pin or the contact sleeve and the collet or the clamping bolt copper, brass, bronze, or aluminum is advantageously used.
  • the surfaces can be coated with tin, silver, gold or palladium. Preferably, however, no additional surface is to be used.
  • n of jaws, both in the collet and the clamping bolt is advantageously at 1,2,3,4,5 or 6.
  • the invention further comprises a motor vehicle subassembly, comprising at least one plug connection, as has just been described, wherein the plug connection is arranged, in particular, on power electronics and / or an electrochemical energy store and / or an electric drive of the motor vehicle. For example, currents of about 20 to 1,000 amperes occur in this area. At the same time, there is a requirement in the vehicle sector for connectors to be manufactured cost-effectively and to be easy to install. These requirements meet the plug connections presented here.
  • plug connections according to the invention are preferably provided on photovoltaic systems, wind power plants or converters.
  • the plug connections according to the invention are suitable for the connection of power modules, such as inverters.
  • FIG. 1 shows in various states, the connector 1 according to the first embodiment.
  • the connector 1 serves a separable electrical connection between a first line 2 and a second line 3.
  • the first line 2 is connected to a contact pin 4.
  • the second line 3 is connected to a collet 5.
  • the sectional view in FIG. 1 It can be seen that the collet 5 has a recess 6.
  • the recess 6 corresponds in dimension to the contact pin 4, so that when plugged contact pin 4, a flat contact is formed.
  • the collet 5 also has a conical collet outer surface 7.
  • this collet outer surface 7 is at least one slot 8. Through the slot 8 is formed at least one jaw of the collet. 5
  • the connector 1 comprises a clamping ring 9 with a conical clamping ring inner surface 10.
  • the clamping ring 9 is inserted on the collet. 5
  • a bottom 15 of the recess 6 is closed, so that the contact pin 4 is present at the bottom 15.
  • the collet 5 is moved downward and thus relative to the clamping ring 9 during insertion of the contact pin 4. Due to the conical surfaces 7, 10 while the at least one clamping jaw is clamped against the contact pin 4.
  • FIG. 2 shows the connector 1 according to the first embodiment in detail.
  • the clamping ring 9 is fixedly arranged in a receptacle 11.
  • the receptacle 11 is for example a plastic, wherein the clamping ring 9 is encapsulated.
  • At the top of the receptacle 11 is partially closed by means of a cover 12.
  • a hole is provided to insert the contact pin 4.
  • the lid 12 is designed so that the collet 5 relative to the clamping ring 9 is movable to some extent.
  • the cover 12 also ensures a captive reception of the collet 5.
  • the connectors 1 are combined in a plug.
  • the schematically illustrated housing 13 can be used.
  • the plurality of juxtaposed connectors 1, the opposite ends of the contact pin 4 and the collet 5 via springs 14 relative to the housing 13 are supported.
  • FIG. 2 also shows the bottom 15, against which the contact pin 4 presses to move simultaneously with the insertion of the contact pin 4, the collet 5 relative to the clamping ring 9.
  • the contact pin 4 or a fixedly connected to the contact pin 4 element presses on the upper edge 16 of the collet 5.
  • a corresponding shoulder is provided, against which the contact pin 4 presses.
  • Figures 3 and 4 show the connector 1 according to the second embodiment. Identical or functionally identical components are provided with the same reference numerals in the first and second embodiments.
  • the clamping ring 9 is plugged from the same side as the Kotaktbolzen 4.
  • the contact pin 4 is not at the bottom 15 here.
  • the contact pin 4 press against the clamping ring 9. Additionally or alternatively, the collet 5 is pressed in the opposite direction, ie against the clamping ring 9.
  • FIGS. 5 and 6 show the connector 100 according to the third embodiment. Also in the third embodiment, a clamping of jaws and at the same time a surface contact between the contact partners takes place.
  • a contact sleeve 104 is used instead of the contact pin 4.
  • a clamping bolt 105 is inserted. This clamping bolt 105 corresponds in its function to the collet 5.
  • the clamping bolt 105 has four slots 108 in the illustrated embodiment. These slots 108 divide the clamping bolt 105 into four jaws.
  • the clamping bolt 105 is a conical clamping bolt inner surface 107.
  • a mandrel 109 To disengage the jaws is inserted into the clamping bolt inner surface 107, a mandrel 109.
  • the mandrel 109 has for this purpose a corresponding conical mandrel outer surface 110.
  • the mandrel 109 is located in the interior of the contact sleeve 104. Simultaneously with the relative movement between the contact sleeve 104 and clamping bolt 105 and the mandrel 109 is thus pressed into the clamping bolt 105.
  • All three embodiments show an easily mated connector 1, 100, which withstands very high vibration loads, is easy to manufacture, can be joined with low joining forces and has a low electrical and thermal contact resistance.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Claims (7)

  1. Connexion enfichable (1) pour une connexion électrique entre une première ligne (2) et une seconde ligne (3), comprenant :
    • une tige de contact (4) pouvant être raccordée à la première ligne (2),
    • une pince de serrage (5) pouvant être raccordée à la seconde ligne (3), présentant
    ∘ un évidement (6) pour l'enfichage de la tige de contact (4),
    ∘ une surface extérieure de pince de serrage conique (7), et
    ∘ au moins n fentes (8) pour former n mâchoires de serrage, avec n ≥ 1,
    • une bague de serrage (9) présentant une surface intérieure de bague de serrage conique (10) sur laquelle repose la surface extérieure de pince de serrage conique (7), dans laquelle ladite au moins une mâchoire de serrage peut être serrée contre la tige de contact (4) par un mouvement relatif entre la pince de serrage (5) et la bague de serrage (9),
    caractérisée en ce que
    • la tige de contact (4) et la pince de serrage (5) sont conçues de manière à ce que, lorsque la tige de contact (4) est enfichée dans l'évidement (6), la pince de serrage (5) soit pressée dans la bague de serrage (9), ou
    • la tige de contact (4) et la bague de serrage (9) sont conçues de manière à ce que, lorsque la tige de contact (4) est enfichée dans l'évidement (6), la bague de serrage (9) soit pressée sur la pince de serrage (5).
  2. Connexion enfichable selon la revendication 1, caractérisée par un logement (11), de préférence en matière plastique, dans laquelle la bague de serrage (9) est disposée de manière fixe dans le logement (11) et la pince de serrage (5) est enfichée de manière mobile dans la bague de serrage (9).
  3. Connexion enfichable selon la revendication 1, caractérisée par un logement (11), de préférence en matière plastique, dans laquelle la pince de serrage (5) est disposée de manière fixe dans le logement (11) et la bague de serrage (9) est enfichée de manière mobile sur la pince de serrage (5).
  4. Connexion enfichable (100) pour une connexion électrique entre une première ligne (2) et une seconde ligne (3), comprenant :
    • une douille de contact (104) pouvant être raccordée à la première ligne (2),
    • une tige de serrage (105) pouvant être raccordée à la seconde ligne (3), qui est conçu pour être enfiché dans la douille de contact (104), présentant
    ∘ une surface intérieure de tige de serrage conique (107), et
    ∘ au moins n fentes (108) pour former n mâchoires de serrage, avec n ≥ 1,
    • un mandrin de serrage (109) présentant une surface extérieure de mandrin de serrage conique (110), qui repose sur la surface intérieure de tige de serrage conique (107), dans laquelle ladite au moins une mâchoire de serrage peut être serrée contre la douille de contact (104) par un mouvement relatif entre le mandrin de serrage (109) et la tige de serrage (105).
  5. Connexion enfichable selon la revendication 4, caractérisée en ce que le mandrin de serrage (109) est disposé dans la douille de contact (104).
  6. Connexion enfichable selon la revendication 5, caractérisée en ce que le mandrin de serrage (109) et la douille de contact (104) sont réalisés ensemble d'un seul tenant.
  7. Module pour véhicule automobile, comprenant au moins une connexion enfichable (1, 100) selon l'une des revendications précédentes, dans lequel la connexion enfichable (1, 100) est disposée en particulier sur une unité électronique de puissance et/ou un accumulateur d'énergie électrique et/ou un entraînement électrique du véhicule automobile.
EP16700364.9A 2015-02-27 2016-01-13 Connexion enfichable pour une connexion électrique Active EP3262717B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015203518.2A DE102015203518A1 (de) 2015-02-27 2015-02-27 Steckverbindung für eine elektrische Verbindung
PCT/EP2016/050501 WO2016134871A1 (fr) 2015-02-27 2016-01-13 Connexion enfichable pour une connexion électrique

Publications (2)

Publication Number Publication Date
EP3262717A1 EP3262717A1 (fr) 2018-01-03
EP3262717B1 true EP3262717B1 (fr) 2019-08-14

Family

ID=55085673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16700364.9A Active EP3262717B1 (fr) 2015-02-27 2016-01-13 Connexion enfichable pour une connexion électrique

Country Status (5)

Country Link
US (1) US10069219B2 (fr)
EP (1) EP3262717B1 (fr)
CN (1) CN107251325B (fr)
DE (1) DE102015203518A1 (fr)
WO (1) WO2016134871A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017218326A1 (de) 2017-10-13 2019-04-18 Robert Bosch Gmbh Hochstromverbindung
DE202018001942U1 (de) * 2018-04-17 2019-04-18 Max Ruf Ringkontakt mit Konus für elektrische Steckverbindungen
EP3696917B1 (fr) * 2019-02-12 2022-08-31 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Système de connecteur électrique
DE102019214013B3 (de) * 2019-09-13 2021-01-21 E.G.O. Elektro-Gerätebau GmbH Steckkontakteinrichtung und Stecksystem

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GB191773A (en) * 1921-08-17 1923-01-17 John Firth Improvements in electrical connections between conductors
US3818422A (en) * 1971-02-19 1974-06-18 J Pertuit Electric cable connector
US4560230A (en) * 1984-04-16 1985-12-24 Inglis Douglas R Battery jump cable system
US4925403A (en) * 1988-10-11 1990-05-15 Gilbert Engineering Company, Inc. Coaxial transmission medium connector
US8297870B2 (en) * 2002-05-08 2012-10-30 Leki Lenhart GmbH Adjustable length pole or stick
US6827608B2 (en) * 2002-08-22 2004-12-07 Corning Gilbert Inc. High frequency, blind mate, coaxial interconnect
DE10352169A1 (de) * 2003-11-05 2005-06-09 Siemens Ag Adapter für Autoradios
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DE102008000479A1 (de) * 2008-03-03 2009-09-10 Amad - Mennekes Holding Gmbh & Co. Kg Steckvorrichtung mit Zugentlastung
US8671798B2 (en) * 2008-06-18 2014-03-18 Infac Corporation Compression ring for an isolator in a motion transmitting remote control assembly
CN102714385B (zh) * 2010-01-25 2014-12-03 胡贝尔和茹纳股份公司 电路板共轴连接器
DE102010025549A1 (de) * 2010-06-29 2011-12-29 Phoenix Contact Gmbh & Co. Kg Solarsteckverbindung
BR112015010768A2 (pt) * 2012-11-16 2018-06-26 Ridelin Sl dispositivo de conexão para cabos elétricos

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Also Published As

Publication number Publication date
CN107251325A (zh) 2017-10-13
DE102015203518A1 (de) 2016-09-01
CN107251325B (zh) 2020-02-07
WO2016134871A1 (fr) 2016-09-01
US10069219B2 (en) 2018-09-04
US20180123264A1 (en) 2018-05-03
EP3262717A1 (fr) 2018-01-03

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