WO2018024784A1 - Dispositif de connexion électrique présentant une fonction anti-arrachement - Google Patents

Dispositif de connexion électrique présentant une fonction anti-arrachement Download PDF

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Publication number
WO2018024784A1
WO2018024784A1 PCT/EP2017/069557 EP2017069557W WO2018024784A1 WO 2018024784 A1 WO2018024784 A1 WO 2018024784A1 EP 2017069557 W EP2017069557 W EP 2017069557W WO 2018024784 A1 WO2018024784 A1 WO 2018024784A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting element
electrical connection
shaped
contact
arrangement according
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.)
Ceased
Application number
PCT/EP2017/069557
Other languages
German (de)
English (en)
Inventor
Volker Geitner
Patrick Limmer
Anna Regensburg
René Schürer
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.)
Electronicon Kondensatoren GmbH
Original Assignee
Electronicon Kondensatoren 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 Electronicon Kondensatoren GmbH filed Critical Electronicon Kondensatoren GmbH
Priority to CN201780048971.5A priority Critical patent/CN109564820B/zh
Publication of WO2018024784A1 publication Critical patent/WO2018024784A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/228—Terminals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or work
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/02—Mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/008—Terminals
    • 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
    • H01R4/02—Soldered or welded connections
    • 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
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—Conductors

Definitions

  • the invention relates to an electrical connection arrangement with tear-off function, in particular for capacitors or the like electrical or electronic components, wherein the compound consists of a stiff, wire-shaped, first and a thin-walled, band or strip-like, sheet-like or foil-shaped, second connecting element and between the first and the second connection element is present at a contact and connection point according to the preamble of claim 1.
  • a shutdown protection is proposed, which is characterized by the fact that the heat loss generated in it remains small and that at lower switching power at the same time a safe shutdown of the network is possible. This is achieved in that the shutdown protection formed from conductor material of a sheet-shaped and up to a required
  • Cross section of the current is formed according to cut strips, wherein a partial strip is bent by 180 °, that this under tensile load due to an overpressure in the condenser of a
  • the capacitor winding and the outer terminals strip or band-shaped conductor used which are applied at the level of the upper contact layer on both sides on a protruding insulating support and can be guided as a strip conductor to the outer terminals.
  • connections to the band-shaped conductors are provided at right angles threaded threaded contact pieces.
  • a predetermined breaking point for example in the form of a notch or a punched hole is introduced in the band-shaped conductor.
  • a compressed bead which opens at pressure and thus causes a housing extension and the tearing off of the relevant conductor.
  • the relevant outstanding end of the tear-off wire is bent in one embodiment and squeezed in another variant.
  • the so-called friction stir welding is a process in which the process heat and the necessary pressure is generated by a tool by rotation.
  • the tool consists of a rotating pin on which a pin can be centrally mounted.
  • the pin is usually shorter than the material thickness to be welded and is pressed in rotation into the abutting surfaces of the workpieces. The same are fastened against each other and on a support to the
  • the connection should have a high current carrying capacity and thus pulse current resistance on the one hand and on the other hand with the application of defined forces a safe achievement of the desired tear function is possible.
  • a thermally induced destruction of the electrical connection for example, if there is a high pulse current load in the capacitor as a result of short circuits, should be prevented.
  • the invention has the task, the contradiction between a high
  • a further problem to be solved according to the invention is that the electrical connection arrangement starts from a stiff, wire-shaped, first connection element which is to be contacted with a second connection element which, in contrast, is thin-walled, band-shaped or strip-shaped or sheet-shaped or foil-shaped.
  • the elements to be joined have completely different properties with respect to their stability, which meant that in the prior art usually large-area solder joints between the wire-shaped conductor and the band-shaped connection strip were realized and the conductor mentioned above notch was formed with tear function, with the disadvantage the resulting Stromengstelle.
  • the invention is therefore based on an electrical connection arrangement with a tear-off function, in particular for capacitors or similar electrical or electronic components.
  • the connection comprises a first, rigid, wire-shaped connecting element and a second, band-like or strip-like, sheet-like or foil-shaped, thin-walled second
  • the contact and connection point is realized by friction stir welding, wherein the friction stir welding connection region forms a mechanical breakaway protection with a defined pull-off force and high pulsed current carrying capacity.
  • a first basic idea is therefore the application of the known friction stir welding for the formation of an electrical connection arrangement with anti-tearing function, wherein according to the further inventive concept, the actual friction stir welding connection represents the tear-off.
  • the thus created current-carrying connection between the wire-shaped conductor on the one hand and band-shaped conductor on the other hand is particularly useful and advantageous for high-performance capacitors.
  • the friction friction spot welding is suitable as a result of extensive experiments.
  • the first connecting element is with a
  • the attachment of the joining partners takes place so that the surface of the second connecting element, that is the band or
  • strip-shaped or sheet-like or foil-shaped part is arranged to the front side of the wire and an overlap is provided.
  • the resulting lap joint is then joined by the inserted rotary friction tool, which predominantly dips into the second connecting element.
  • cavities may be provided on the end face of the necessary tool to allow a wire projection via a bore or recess in the sheet-metal joining partner, that is, the second connecting element, and thus protruding Provide material in addition to plasticizing and on the
  • the rotating friction welding tool acts on the free surface of the second connecting element opposite the end face of the first connecting element.
  • connection element does not have any current points outside the contact and connection point, as is required in the prior art in order to accomplish a tear-off function.
  • the ratio between the diameter of the first connecting element, that is, of the wire, and the thickness of the second connecting element, that is the band or the film in the range of 5: 1 to 20: 1.
  • the diameter of the first connecting element is in the range of 1.5 to 3 mm and the thickness of the second connecting element is in the range of 0.1 to 0.5 mm.
  • the diameter of the first connecting element is in the range of 1.5 to 3 mm and the thickness of the second connecting element is in the range of 0.1 to 0.5 mm.
  • the second connecting element to a reduced width.
  • This may be a tapered taper in conjunction with a defined radius of curvature or the formation of a tip.
  • FIG. 1 and Fig. 2 are perspective views of a known
  • Fig. 3 is a schematic representation of the invention
  • Figure 4 is a photorealistic representation of the top view of the contact and connection point, viewed from the wire side, that is, from the side of the first connecting element;
  • Figure 5 is a view similar to that of Figure 4, but from the bottom, that is, from the side on which the Reibsch spatechnikmaschine acts.
  • Fig. 6 shows a microsection of the connection point
  • Fig. 7 is a side view and a plan view of
  • Figs. 1 and 2 show a basic construction of an electrical connection assembly with Abr predominantlytechnischsfunktion, as they
  • the electrical connection arrangement with anti-tearing function shown in FIGS. 1 and 2 is based on a stiff, wire-shaped first connecting element 1 and a thin-walled, strip-like or sheet-like, second connecting element 2.
  • Connecting element 1 a pinch 4 or a notch or punched 5 realized.
  • a destructive process takes place under the action of mechanical force, so that the electrical safety function is provided.
  • the pinch 4 and the punch 5 has at appropriate
  • connection arrangement according to the invention according to FIG. 3 in turn, a first connection element 1 in the form of a wire and a second connection element 2 in the form of a strip are assumed.
  • Connecting elements 1; 2 consist of a copper material.
  • the diameter of the wire, that is, the first connecting element 1, at 2 mm and the thickness of the copper strip, that is, the second connecting element 2, is about 0.3 mm.
  • the actual contact and connection point 6 is executed or obtained by friction welding. In this regard, with a suitable tool with clamping of the second connecting element 2 and secured feeding of the first connecting element 1, this is positioned vertically with an end face under projection.
  • the supernatant is for example 0.1 mm to an adjustment of the plasticized material to the intended rounding bevel to
  • the clamping of the band-shaped connecting element 2 is as close as possible to the corresponding tool in order to minimize undesired deformation.
  • a tool in a ball-like manner can be easily used, which performs a rotational movement counter to the cutting direction.
  • the speed here reaches from 2000 to 3000 rpm and can go up to the range of 5000 rpm.
  • An exemplary immersion feed is in the range of 10 to 200 mm per minute with an immersion depth of 0.1 to 0.5 mm each after tool execution.
  • the process force also ranges between 150 and 2000 Newton.
  • FIG. 4 shows a view comparable to the drawing of FIG. 3 as a view of the connecting parts between the stiff, wire-shaped first connecting element and the band-shaped, thin, second connecting element.
  • the preferred geometry in the region of the contact and connection point 6 can be seen.
  • the angle between the resulting quasi triangular legs according to FIGS. 4, 5 and 7 is approximately 60 °.
  • the area of this joint represents the mechanical breakaway, which has the necessary pulse current carrying strength, as confirmed by extensive experiments.
  • Fig. 7 shows an exemplary embodiment of the invention
  • the first connection element 1 is assumed to be tinned copper wire having a diameter of substantially 2 mm.
  • the exemplary length of the wire is 60 mm.
  • the tinned copper wire is connected as shown in FIG. 7 with a free end face via a Reibsch dotress with the surface of a copper strip as the second connecting element 2.
  • the thickness of the copper strip is, for example, 0.3 mm.
  • the width of the copper strip as the second connecting element 2 is chosen according to the embodiment with 10 mm, wherein in the actual region of the contact and connection point 6, the copper strip terminates at an acute angle and has a radius of curvature R2.
  • the angle enclosed by the acute-angled limbs is for example 60 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Fuses (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

L'invention concerne un dispositif de connexion électrique présentant des fonctions anti-arrachement, notamment pour des condensateurs ou analogues de composants électriques ou électroniques, la connexion consistant en un premier élément de connexion rigide de type fil et un second élément de connexion à paroi mince de type plaque ou feuille en forme de bande ou de ruban, lesdits premier et second éléments de connexion étant reliés par liaison de matière au niveau d'une position de contact et de connexion, la position de contact et de connexion étant réalisée par soudage par friction-malaxage, la zone de liaison par soudage par friction-malaxage formant une sécurité mécanique présentant une force d'arrachement définie et une plus haute résistance au courant pulsé.
PCT/EP2017/069557 2016-08-04 2017-08-02 Dispositif de connexion électrique présentant une fonction anti-arrachement Ceased WO2018024784A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780048971.5A CN109564820B (zh) 2016-08-04 2017-08-02 具有断开保险功能的电气连接装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102016114414.2 2016-08-04
DE102016114414 2016-08-04
DE102016117220.0 2016-09-13
DE102016117220.0A DE102016117220B3 (de) 2016-08-04 2016-09-13 Elektrische Verbindungsanordnung mit Abreißsicherungsfunktion

Publications (1)

Publication Number Publication Date
WO2018024784A1 true WO2018024784A1 (fr) 2018-02-08

Family

ID=60020949

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/069557 Ceased WO2018024784A1 (fr) 2016-08-04 2017-08-02 Dispositif de connexion électrique présentant une fonction anti-arrachement

Country Status (3)

Country Link
CN (1) CN109564820B (fr)
DE (1) DE102016117220B3 (fr)
WO (1) WO2018024784A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020211998A1 (de) 2020-09-24 2022-03-24 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Herstellung einer stoffschlüssigen Welle-Bauteil-Verbindung

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH472103A (de) 1967-09-07 1969-04-30 Bosch Gmbh Robert Kondensator mit Abreisssicherung
DD114165A1 (fr) 1974-07-23 1975-07-12
DD213092A1 (de) 1982-12-30 1984-08-29 Beimler Lokomotivbau Abschaltsicherung fuer explosionssichere elektrische kondensatoren
DD264781A1 (de) 1987-10-26 1989-02-08 Gera Elektronik Veb Elektrischer kondensator mit niedriger eigeninduktivitaet
JP2005109280A (ja) * 2003-09-30 2005-04-21 Nippon Chemicon Corp コンデンサ及びその製造方法
JP2005109070A (ja) * 2003-09-30 2005-04-21 Nippon Chemicon Corp 積層電子部品の製造方法
JP2005109229A (ja) * 2003-09-30 2005-04-21 Nippon Chemicon Corp 積層電子部品の製造方法
CN1762033A (zh) * 2003-03-19 2006-04-19 日本贵弥功株式会社 叠片电容器和叠片电容器的制造方法
US20070029368A1 (en) * 2003-03-19 2007-02-08 Nippon Chemi-Con Corporation Multilayer capacitor and method for manufacturing multilayer capacitor
JP2014072273A (ja) * 2012-09-28 2014-04-21 Hitachi Aic Inc アルミニウム電解コンデンサ
DE102012112413A1 (de) 2012-12-17 2014-06-18 Hesse Gmbh Werkzeug zum Herstellen einer Reibschweißverbindung
JP2015015211A (ja) * 2013-07-08 2015-01-22 昭和電工株式会社 バスバーおよびその製造方法
DE112013006217T5 (de) * 2012-12-25 2015-09-24 Gs Yuasa International Ltd. Elektrische Speichervorrichtung, elektrische Speichervorrichtungsanordnung und Verfahren zum Herstellen einer elektrischen Speichervorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101084220B1 (ko) * 2009-10-30 2011-11-17 에스비리모티브 주식회사 이차전지의 단자유닛 및 그 제조방법
FR2979472B1 (fr) * 2011-08-29 2013-08-23 Batscap Sa Connecteur dispose entre deux ensembles de stockage d'energie

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH472103A (de) 1967-09-07 1969-04-30 Bosch Gmbh Robert Kondensator mit Abreisssicherung
DD114165A1 (fr) 1974-07-23 1975-07-12
DD213092A1 (de) 1982-12-30 1984-08-29 Beimler Lokomotivbau Abschaltsicherung fuer explosionssichere elektrische kondensatoren
DD264781A1 (de) 1987-10-26 1989-02-08 Gera Elektronik Veb Elektrischer kondensator mit niedriger eigeninduktivitaet
US20070029368A1 (en) * 2003-03-19 2007-02-08 Nippon Chemi-Con Corporation Multilayer capacitor and method for manufacturing multilayer capacitor
CN1762033A (zh) * 2003-03-19 2006-04-19 日本贵弥功株式会社 叠片电容器和叠片电容器的制造方法
JP2005109229A (ja) * 2003-09-30 2005-04-21 Nippon Chemicon Corp 積層電子部品の製造方法
JP2005109070A (ja) * 2003-09-30 2005-04-21 Nippon Chemicon Corp 積層電子部品の製造方法
JP2005109280A (ja) * 2003-09-30 2005-04-21 Nippon Chemicon Corp コンデンサ及びその製造方法
JP2014072273A (ja) * 2012-09-28 2014-04-21 Hitachi Aic Inc アルミニウム電解コンデンサ
DE102012112413A1 (de) 2012-12-17 2014-06-18 Hesse Gmbh Werkzeug zum Herstellen einer Reibschweißverbindung
DE112013006217T5 (de) * 2012-12-25 2015-09-24 Gs Yuasa International Ltd. Elektrische Speichervorrichtung, elektrische Speichervorrichtungsanordnung und Verfahren zum Herstellen einer elektrischen Speichervorrichtung
JP2015015211A (ja) * 2013-07-08 2015-01-22 昭和電工株式会社 バスバーおよびその製造方法

Also Published As

Publication number Publication date
CN109564820B (zh) 2022-05-03
DE102016117220B3 (de) 2017-10-26
CN109564820A (zh) 2019-04-02

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