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WO2012076983A1 - Dispositif de connexion électrique - Google Patents

Dispositif de connexion électrique Download PDF

Info

Publication number
WO2012076983A1
WO2012076983A1 PCT/IB2011/003195 IB2011003195W WO2012076983A1 WO 2012076983 A1 WO2012076983 A1 WO 2012076983A1 IB 2011003195 W IB2011003195 W IB 2011003195W WO 2012076983 A1 WO2012076983 A1 WO 2012076983A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrical
connection
electrical connection
connection device
connection portion
Prior art date
Application number
PCT/IB2011/003195
Other languages
English (en)
Inventor
Claude Casses
Jean Pierre Jarnoux
Thomas Schwerin
Original Assignee
Fci Automotive Holding
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 Fci Automotive Holding filed Critical Fci Automotive Holding
Priority to EP11815572.0A priority Critical patent/EP2649685B1/fr
Publication of WO2012076983A1 publication Critical patent/WO2012076983A1/fr

Links

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
    • 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
    • H01R11/288—Interconnections between batteries
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to an electrical connection device.
  • the electrical connection device can be applied in vehicle electrical equipment, in particular for battery modules.
  • the invention also relates to a battery comprising battery modules electrically interconnected by said electrical connection devices and to a manufacturing method of said electrical connection devices .
  • the invention provides an electrical connection device which can be implemented for instance in electrical equipment, such as a battery.
  • the invention further relates to a manufacturing method for such electrical connection device which remedy to at least one of the above draw-backs.
  • a goal of the invention is to provide an electrical connection less dependent on the relative position of the equipment terminals to be connected.
  • the invention covers an electrical connecting device, comprising a first and a second connection portions, each of said connection portions being adapted to be electrically connected with a corresponding electrical device, at least one of said connection portions being disconnectable from the corresponding electrical device.
  • the electrical connecting device further comprises at least one electrical link electrically connecting the first and the second portion together.
  • the electrical connecting device comprises a guiding body guiding the second connection portion along a course of the second connection portion which respect to the first connection portion.
  • the electrical link electrically connects the first and the second portion together all along said course.
  • the guiding body a relative course between the first and the second connection portion is provided and limited.
  • the electrical link avoids power cut during movement of the second connection portion with respect to the first connection portion. Therefore, the relative position of the first and the second connection portions may be tuned in order to correspond to the distance between the terminals to be connected.
  • the electrical device corresponding to each of the first and the second connection portion may be a terminal of two adjacent battery modules.
  • Figure 1 is a perspective view of an embodiment of the electrical connection device.
  • Figure 2 is a perspective view of a movable sub ⁇ assembly of the device of figure 1.
  • Figure 3 is a partial cut view of an electrical link of the device of figure 1 following the plane III- III of figures 4 or 5.
  • Figure 4 is a longitudinal cut view of the electrical link of the device figure 1 following the arrow IV of figure 3.
  • Figure 5 is a side view of the electrical connection device following the plane V-V of figure 1.
  • Figure 6 is a perspective view of a second embodiment of electrical connection device.
  • Figure 7 is a longitudinal cut view of the electrical link of the second embodiment following plane VII-VII of figure 6.
  • Figure 8 is an embodiment of a battery.
  • the electrical connection device 1 comprises a guiding body 2, a first sub-assembly 3a and a second sub-assembly 3b.
  • the first sub-assembly 3a comprises a connection portion 4a of a female type including a plurality of spring tongues 5a extending around an axis 18a.
  • the electrical connection device 1 further comprises a first body 6a receiving the spring tongues 5a and provided with a guiding member 7a consisting of two tenons 8a, 9a sliding in a guiding slot 10 of the guiding body 2.
  • the first body 6a comprises a cylindrical skirt 11a surrounding the spring tongues 5a and including a guiding annular chamfer 12a located axially beyond the spring tongues 5a for guiding the introduction of a male device (not shown) into the connection portion 4a following the connection axis 18a.
  • the second sub-assembly 3b comprises a second body 6b provided with a guiding member 7'b consisting of two tenons 8'b, 9'b sliding in the same guiding slot 10 than the guiding member 7a of the first body 6a.
  • the second body 6b comprises a cylindrical skirt lib surrounding spring tongues 5b and including an annular chamfer 12b located axially beyond the spring tongues 5b for guiding the introduction of a male device not shown into a connection portion 4b following a connection axis 18b.
  • the sub-assembly 3a comprises a first electrical conductive member 13a made of a punched and rolled metallic sheet.
  • the conductive member 13a has a global U-shape with a bottom 14a, a right side 15a and a left side 16a.
  • the connection portion 5a is made of a punched and rolled metallic sheet.
  • the spring tongues 5a extend axially from a C- shaped ring 17a which is press-fitted into the bottom 14a of the conductive member 13a.
  • the first sub-assembly 3a further comprises two right tongues 19a extending from the right side 15a and two left tongues 20a extending from the left side 16a.
  • Each of the left and right tongues 19a, 20a extend in a plane perpendicular to the connection axis 18a and substantially in a direction parallel to a plane of symmetry III-III passing by both connection axis 18a, 18b. More details about these tongues will be given later in reference to the figures 3 and 4.
  • the two right tongues 19a are shifted from the two left tongues 20a with respect to the direction of the connection axis 18a.
  • the two right tongues 19a alternate with right free spaces 21a which are slightly wider than the width of the left tongues 20a.
  • the two left tongues 20a also alternate with some left free spaces 22a which are slightly wider than the right tongues 19a.
  • the first body 6a further comprises another guiding member 7' a made of two tenons 8' a, 9' a, symmetrical from the tenons 8a, 9a with respect to the plane of symmetry III-III.
  • the guiding body 2 comprises two stops 10a, 10b located at each ends of the slot 10, and two stops 10' a, 10'b located at each ends of the symmetrical slot 10' .
  • the largest distance between the two sub ⁇ assemblies 3a, 3b, as well as the largest distance between the connection portions 4a, 4b, corresponds to a configuration of the electrical connection device 1, in which at least one of the guiding members 7a, 1' a of the first body 6a is in contact with one of the stops 10a, 10' a, and simultaneously, at least one of the guiding members 7b,7'b of the second body 6b is in contact with one of the stops 10b,10'b.
  • the shortest distance between the two sub ⁇ assemblies 3a, 3b, as well as the shortest distance between the connection portions 4a, 4b correspond to a configuration of the electrical connection device 1 in which the first and the second body 6a, 6b are in contact to one another. Therefore, the course of the second connection portion 4b with respect with the first connection portion 4a is equal to the largest distance less the shortest distance in between both connection portions 4a, 4b .
  • the second sub-assembly 3b is strictly identical to the first sub-assembly 3a previously described and is located symmetrically to an axis 25 of symmetry which is exactly in the middle of the two parallel connection axis 18a, 18b.
  • the second sub- assembly 3b includes the same features 4b to 9b and lib to 22b named with the adjective "second". These second features are, each of them, identical to the corresponding first feature 4a-9a, lla-22a previously described for the first sub-assembly 3a.
  • the right tongues 19a of the first sub-assembly 3a enter into the left free spaces 22b, slide along the left side 16b of the second electrical conductive member 13b and provide an electrical connection between both electrical conductive member 13a, 13b and both connection portions 4a, 4b.
  • the left tongues 20a of the first sub ⁇ assembly 3a enter into the right free spaces 21b and slide along the right side 15b of the second electrical conductive member 13b and therefore, provide an electrical connection between both connection portions 4a, 4b.
  • the right tongues 19b of the second sub ⁇ assembly 3b enter into the left free spaces 22a, slide along the left side 16a of the first electrical conductive member 13a and therefore provide an electrical connection between both connection portions 4a, 4b.
  • the left tongues 20b of the second sub-assembly 3b enter into the right free spaces 21a, slide along the right side 15a of the first electrical conductive member 13a and therefore, provide again an electrical connection between both connection portions 4a, 4b.
  • the electrical connection device 1 comprises an electrical link between both connection portions 4a, 4b.
  • Such electrical link consists in two electrically conductive members 13a, 13b, each of them holding and being electrically connected with one of the two connection portions 4a, 4b.
  • one electrically conductive member 13a holds and is electrically connected with a spring tongue.
  • Said spring tongue slides along a receiving portion of the other electrically conductive member 13b and is electrically connected with said other electrically conductive member 13b all along a course of displacement of one of the connection portions 4a, 4b with respect to the other.
  • the spring tongue 19a and/or 20a may form one electrically conductive piece part together with the conductive member 13a, like in the illustrated embodiment. However, in a variant, the spring tongue 19a, 20a may be a piece part different from the conductive member 13a.
  • the spring tongues 19a, 20a are resiliently urged on the receiving portion 16b, 15b through the free space 22b, 21b of the corresponding part, so that a suitable friction retains the two portions 4a, 4b together within the whole above-mentioned course.
  • This course is as high as one centimetre, so as to adapt to the relative locations of the two axes 18a, 18b.
  • This course is limited by the stops 1 Oa, 1 Ob, 10 ' a, 10 ' b contacting the respective guiding member 7a, 7' a or 7b, 1' b and by the contact between the two bodies 4a, 4b.
  • An electrical link between two electrical devices to be connected can cross an electrical field within the conductive material of the link all along an electrical path between the two electrical devices.
  • the electrical cross section of the electrical link is by definition perpendicular to said electrical field.
  • the electrical cross-section of the electrical link is designed to be larger than a reference electrical cross-section all along the electrical path between the two connection portions 4a, 4b.
  • connection portions 4a, 4b are adapted to receive a male contact which has a geometrical cross-section. Said geometrical cross-section is considered as the reference cross-section for the electrical link.
  • the number of spring tongues 5a, 5b and the shape of their extremity are such that the total area, corresponding to the sum of the contact areas of the spring tongues 5a, 5b on said male contact (not shown) is larger or equal to the reference cross-section.
  • the press-fit area between the ring 17a, 17b and the bottom 14a, 14b is designed so as to have a conductive area larger than the reference cross-section.
  • each right or left spring tongues 19a, 19b, 20a, 20b is designed so as the total area corresponding to the sum of all contact areas between said spring tongues and their respective receiving portion 15a, 15b, 16a, 16b, is larger or equal to the reference cross-section.
  • the total area equal to the addition of the geometrical cross-section of each spring tongues 19a, 19b, 20a, 20b is also larger than the reference cross-section. Therefore, such an electrical link does not introduce a point of linear electrical resistance higher than the linear resistance of the electrical device to be connected.
  • the electrical connection device 1 is therefore suitable for transmitting high intensity of electric current of several hundreds of Amperes as it may be needed in a battery of vehicles.
  • the electrical connection device 1 does not introduce "hot spots" within the electrical transmission.
  • the guiding members 7a, 7b,7'a,7'b of the bodies 6a, 6b are each made of a pair of tenons 8a-9a, 8b-9b, 8'a-9'a, 8'b-9'b.
  • Each of these tenons is located at the extremity of a flexible arm and includes a chamfer so as the first body 6a can be introduced within the guiding body 2 following the arrow Fl, and so as, the second body 6b can be introduced within the guiding body 2 following the arrow F2.
  • the second embodiment 40 illustrated in figures 6 and 7 is very similar to the first embodiment 1 previously described. There are only two differences, everything else being identical.
  • the first difference is that the second embodiment 40 comprises two connection portions 30a, 30b which are male contacts.
  • the male contacts 30a, 30b have a smooth extremity, for example of an ogival type, adapted to enter a female connector.
  • the male contact 30a, 30b may have an enlarged base 32a, 32b so that the previously described electrical conductive member 13a, 13b can receive either the female connection portion 4a, 4b of the first embodiment 1 or the male contact 30a, 30b of the second embodiment 40.
  • the electrical connection device 40 comprises a first and a second bodies 33a, 33b which differ from the bodies 6a, 6b previously described only by the fact that there is no skirt 11a and that the male contact 30a, 30b is press fitted into it.
  • the invention covers a large combination of different bodies, electrically conductive members, connection portions, or electrical links.
  • the two sub-assemblies 3a, 3b may be different.
  • the first and the second electrical conductive member 13a, 13b and the lateral spring tongues 19a-20a, 19b-20b are identical and symmetrically positioned with respect to the axis of symmetry 25.
  • the type of the first end second connection portion 4a, 4b may be different.
  • the first and the second bodies 6a, 6b are adapted to the corresponding type of the connection portions 4a, 4b as described in the first or the second embodiments 1,40.
  • connection portion can be chosen independently in a list comprising for example: a male contact, a female contact, a through hole.
  • connection portions 4a or 4b may be a non disconnectable connection like a crimped or a wrapped flexible electrical wire.
  • the guiding body 2 may comprise an electrically conductive material which may contribute to the electrical link between both connection portions.
  • the guiding body 2 directly holds the first connection portion 4a.
  • the guiding body 2 and the first electrical conductive member 13a form the same piece part which has both functions of being part of the electrical link and of mechanically guiding the second connection portion 4b all along a course.
  • Such piece part may include stops for limiting the course.
  • the electrical link may comprise a spring tongue directly sliding along one or along the two connection portions.
  • a holding mechanism may hold each of the two connection portions without electrical connecting said connection portion, and allows a relative movement between the two connection portions.
  • Said spring tongue may extend directly from one connection portion or may be held by the holding mechanism.
  • the second electrical conductive member 13b, holding and electrically connecting the second connecting portion 4b or 30b is a telescopic member with respect to the guiding body 2 which may be or may include the first electrical conductive member 13a which holds and is electrically connected with the first connection portion, or forms a simple piece part with the first connection portion 4a or 30a.
  • the battery 50 comprises a series of battery modules 52 arranged side by side. Each battery module 52 comprises a positive and a negative terminals 51.
  • the battery 50 further comprises a series of electrical connection devices as previously described, assembled between one positive terminal of a module and one negative terminal of an adjacent module. Therefore, different battery modules are electrically interconnected in series. Thanks to the relative course between the two connection portion 4a, 4b, or 30a, 30b, the connection between the battery module terminals 51 is made easier as it does not request a precise alignment of two adjacent modules 52. Moreover, this is achieved in a packed environment (modules are very close to one another) .

Landscapes

  • Connection Of Batteries Or Terminals (AREA)

Abstract

La présente invention concerne un dispositif de connexion électrique (1) pour un équipement électrique de véhicule, comprenant une première et une seconde partie de connexion (4a, 4b). Chacune desdites parties de connexion est adaptée pour être connectée électriquement à un dispositif électrique correspondant. Au moins l'une desdites parties de connexion peut être déconnectée du dispositif électrique correspondant. Le dispositif de connexion électrique comprend en outre au moins un lien électrique connectant électriquement la première et la seconde partie ensemble et un corps de guidage (2) guidant la seconde partie de connexion (4b) le long d'une course de la seconde partie de connexion par rapport à la première partie de connexion (4a). Le lien électrique connecte électriquement la première et la seconde partie ensemble tout au long de ladite course.
PCT/IB2011/003195 2010-12-09 2011-11-28 Dispositif de connexion électrique WO2012076983A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11815572.0A EP2649685B1 (fr) 2010-12-09 2011-11-28 Dispositif de connexion électrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IBPCT/IB2011/003462 2010-12-09
IB2010003462 2010-12-09

Publications (1)

Publication Number Publication Date
WO2012076983A1 true WO2012076983A1 (fr) 2012-06-14

Family

ID=45558780

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/003195 WO2012076983A1 (fr) 2010-12-09 2011-11-28 Dispositif de connexion électrique

Country Status (2)

Country Link
EP (1) EP2649685B1 (fr)
WO (1) WO2012076983A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014089133A1 (fr) * 2012-12-07 2014-06-12 Tyco Electronics Corporation Connecteur de borne de puissance
WO2014096887A1 (fr) * 2012-12-20 2014-06-26 Delphi International Operations Luxembourg S.À.R.L. Ensemble électrique avec dispositif de connexion électrique
WO2014114325A1 (fr) * 2013-01-22 2014-07-31 Delphi International Operations Luxembourg S.À.R.L. Ensemble de connexion électrique de forte puissance
EP2808950A1 (fr) * 2013-05-30 2014-12-03 AutoNetworks Technologies, Ltd. Bloc de borne et procédé de connexion
EP2808951A1 (fr) * 2013-05-30 2014-12-03 AutoNetworks Technologies, Ltd. Bloc terminal et son procédé de fabrication
CN104218338A (zh) * 2013-05-30 2014-12-17 株式会社自动网络技术研究所 端子板
FR3029361A1 (fr) * 2014-11-28 2016-06-03 Delphi Int Operations Luxembourg Sarl Dispositif de connexion electrique
DE102015213849A1 (de) * 2015-07-22 2017-01-26 Volkswagen Aktiengesellschaft Steckverbindung und Verfahren zur Herstellung einer derartigen Steckverbindung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932013A (en) * 1974-04-08 1976-01-13 Amp Incorporated Shunt assembly
US4820194A (en) * 1987-09-30 1989-04-11 Amp Incorporated Minature electrical shunt connector
GB2277643A (en) * 1993-05-01 1994-11-02 Acg France Electrical connector for battery terminals
EP0928047A1 (fr) * 1997-12-10 1999-07-07 Fanuc Ltd Connecteur pour un semi-conducteur
US20060270286A1 (en) * 2005-05-25 2006-11-30 Weiping Zhao Canted coil spring power terminal and sequence connection system
DE202010012555U1 (de) * 2009-06-08 2010-11-18 Auto-Kabel Managementgesellschaft Mbh Batteriezellenverbinder mit Z-Schlag

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932013A (en) * 1974-04-08 1976-01-13 Amp Incorporated Shunt assembly
US4820194A (en) * 1987-09-30 1989-04-11 Amp Incorporated Minature electrical shunt connector
GB2277643A (en) * 1993-05-01 1994-11-02 Acg France Electrical connector for battery terminals
EP0928047A1 (fr) * 1997-12-10 1999-07-07 Fanuc Ltd Connecteur pour un semi-conducteur
US20060270286A1 (en) * 2005-05-25 2006-11-30 Weiping Zhao Canted coil spring power terminal and sequence connection system
DE202010012555U1 (de) * 2009-06-08 2010-11-18 Auto-Kabel Managementgesellschaft Mbh Batteriezellenverbinder mit Z-Schlag

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014089133A1 (fr) * 2012-12-07 2014-06-12 Tyco Electronics Corporation Connecteur de borne de puissance
CN104981946A (zh) * 2012-12-20 2015-10-14 德尔福国际业务卢森堡公司 具有电连接装置的电组件
WO2014096887A1 (fr) * 2012-12-20 2014-06-26 Delphi International Operations Luxembourg S.À.R.L. Ensemble électrique avec dispositif de connexion électrique
KR101939873B1 (ko) * 2012-12-20 2019-01-17 앱티브 테크놀러지스 리미티드 전기 연결 장치를 구비한 전기 조립체
CN104981946B (zh) * 2012-12-20 2017-08-01 德尔福国际业务卢森堡公司 具有电连接装置的电组件
US9425521B2 (en) 2012-12-20 2016-08-23 Delphi International Operations Luxembourg S.A.R.L. Electrical assembly with electrical connection device
KR20150096735A (ko) * 2012-12-20 2015-08-25 델피 인터내셔널 오퍼레이션즈 룩셈부르크 에스.에이 알.엘. 전기 연결 장치를 구비한 전기 조립체
WO2014114325A1 (fr) * 2013-01-22 2014-07-31 Delphi International Operations Luxembourg S.À.R.L. Ensemble de connexion électrique de forte puissance
CN104218338A (zh) * 2013-05-30 2014-12-17 株式会社自动网络技术研究所 端子板
CN104218335A (zh) * 2013-05-30 2014-12-17 株式会社自动网络技术研究所 端子板
EP2808951A1 (fr) * 2013-05-30 2014-12-03 AutoNetworks Technologies, Ltd. Bloc terminal et son procédé de fabrication
EP2808950A1 (fr) * 2013-05-30 2014-12-03 AutoNetworks Technologies, Ltd. Bloc de borne et procédé de connexion
FR3029361A1 (fr) * 2014-11-28 2016-06-03 Delphi Int Operations Luxembourg Sarl Dispositif de connexion electrique
DE102015213849A1 (de) * 2015-07-22 2017-01-26 Volkswagen Aktiengesellschaft Steckverbindung und Verfahren zur Herstellung einer derartigen Steckverbindung
DE102015213849B4 (de) 2015-07-22 2023-12-07 Volkswagen Aktiengesellschaft Steckverbindung und Verfahren zur Herstellung einer derartigen Steckverbindung

Also Published As

Publication number Publication date
EP2649685A1 (fr) 2013-10-16
EP2649685B1 (fr) 2016-11-09

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