EP2704261A1 - Elément de liaison pour la liaison conductrice d'électricité d'un premier dispositif électronique de puissance avec un deuxième dispositif électronique de puissance - Google Patents

Elément de liaison pour la liaison conductrice d'électricité d'un premier dispositif électronique de puissance avec un deuxième dispositif électronique de puissance Download PDF

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Publication number
EP2704261A1
EP2704261A1 EP13175241.2A EP13175241A EP2704261A1 EP 2704261 A1 EP2704261 A1 EP 2704261A1 EP 13175241 A EP13175241 A EP 13175241A EP 2704261 A1 EP2704261 A1 EP 2704261A1
Authority
EP
European Patent Office
Prior art keywords
power electronics
evolutfeder
connecting element
electronics device
power
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.)
Withdrawn
Application number
EP13175241.2A
Other languages
German (de)
English (en)
Inventor
Hartmut Kulas
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.)
Semikron GmbH and Co KG
Semikron Elektronik GmbH and Co KG
Original Assignee
Semikron GmbH and Co KG
Semikron Elektronik GmbH and Co KG
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 Semikron GmbH and Co KG, Semikron Elektronik GmbH and Co KG filed Critical Semikron GmbH and Co KG
Publication of EP2704261A1 publication Critical patent/EP2704261A1/fr
Withdrawn legal-status Critical Current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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
    • 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
    • H01R11/01—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 characterised by the form or arrangement of the conductive interconnection between the connecting locations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Definitions

  • the invention relates to a connecting element for the electrically conductive connection of a first power electronics device with a second power electronics device.
  • power electronic devices such as e.g. Power semiconductor modules and capacitor modules, used.
  • power semiconductor devices such as a semiconductor device
  • a substrate In power semiconductor modules, power semiconductor devices, such as a semiconductor device, are generally mounted on a substrate. Power semiconductor switch and diodes arranged and electrically conductively connected to each other by means of a conductor layer of the substrate, bonding wires and / or a film composite.
  • the power semiconductor switches are generally in the form of transistors, e.g. IGBTs (Insulated Gate Bipolar Transistor) or MOSFETs (Metal Oxide Semiconductor Field Effect Transistor), or in the form of thyristors.
  • the power semiconductor components arranged on the substrate are often electrically connected to form a single or a plurality of so-called half-bridge circuits, which are usually used for the rectification and inversion of electrical voltages and currents.
  • capacitor modules In capacitor modules, several capacitors are generally electrically connected in parallel and / or in series. In the simplest case, a capacitor module may consist of only a single capacitor. Capacitor modules are often used to implement the DC link capacitance that is generally required in converters or inverters with a DC link.
  • busbars for the realization of a possible low-inductance electrical connection between the power electronics devices should be arranged as close to each other as possible.
  • a connecting element for the electrically conductive connection of a first power electronics device with a second power electronics device, wherein the connecting element has a first and a second, along a common axis, interconnected, electrically conductive Evolutfeder, wherein the first and the second Evolutfeder band-like , Conical spiral windings, whose axial side outer surfaces form electrical contact surfaces.
  • first and second Evolutfeder have such a sense of winding and are connected to each other such that a through a contact surface of a turn of the first evolution spring to a contact surface of a turn of the second evolution spring flowing electric current through the turns of the first Evolutfeder in the reverse tangential direction as by the turns of the second Evolutfeder flows.
  • a particularly low-inductance connection element is created, which enables a particularly low-inductance electrically conductive connection between a first power electronics device and a second power electronics device.
  • the respective surfaces of the turns of the first and second Evolutfeder extending in the tangential direction are electrically insulated from each other by means of a, between the running in the tangential direction of the respective surfaces of the turns of the first and second Evolutfeder, electrically insulating layer.
  • the first Evolutfeder is integrally formed with the second Evolutfeder, as this the realization of a particularly simple design of the connecting element is achieved and the connecting element can be made particularly simple.
  • the contact surfaces of the first and second Evolutfeder have a serrated surface contour.
  • the first and second Evolutfeder of copper or a copper alloy, in particular bronze exist, since then the connecting element has a particularly low electrical resistance. If the first and second Evolutfeder made of bronze, the first and second Evolutfeder have a high hardness compared to copper, which allows a particularly durable and thus very reliable connection element.
  • first power electronics device as power semiconductor module and the second power electronics device as Capacitor module is formed, since this represents a common embodiment of the first and second power electronics device.
  • the first and second power electronics may also be in a different form.
  • a connecting device which has an electrically insulating housing, which encloses at least one connecting element according to the invention in the tangential direction of the connecting element and is open in the axial direction of the at least one connecting element, proves to be advantageous, since in this way the at least one connecting element is electrically insulated from external electrical components becomes.
  • a connector system having interconnected inventive connector means proves to be advantageous. This creates a compact electrical connection between a first power electronics device and a second power electronics device.
  • the connecting devices are arranged to form a matrix-like structure. This enables a compact electrical connection between a plurality of first power electronics devices and a plurality of second power electronics devices.
  • the connecting device system has honeycomb-shaped structural elements in which at least one connecting device is arranged in each case. This makes possible a compact and very stable electrical connection between a plurality of first power electronics devices and a plurality of second power electronics devices.
  • a power electronics system which has a first and a second power electronics device, wherein the first and the second power electronics device with a connecting element according to the invention are electrically conductively connected to each other, wherein the connecting element between the first and second power electronics device is arranged, wherein the first and second power electronics device are mechanically connected to each other by means of a connecting means, wherein the connecting means counter forces to the generated by the first and second Evolutfeder generated in the axial direction of the connecting element spring forces generated as advantageous because such a power electronics system is very reliable.
  • a power electronics system comprising a plurality of first and a plurality of second power electronics devices, wherein the first and second power electronics devices are electrically connected to each other with the above-mentioned connector system, wherein the connection device system is disposed between the first and second power electronics devices, wherein the first and second power electronic devices are mechanically connected to each other by means of a connecting means, wherein the connecting means generates counter forces to the spring forces acting in the axial direction of the connecting elements of the connector system generated by the first and second evolutive springs of the connecting elements of the connecting device system.
  • a connecting element according to the invention for electrically conductive connection of a first power electronics device with a second power electronics device proves to be advantageous.
  • FIGS. 1 to 3 schematically schematized perspective views of a connecting element 1 according to the invention for the electrically conductive connection of a first power electronics device 13 with a second power electronics device 14 from different perspectives are shown (see also FIG. 6 ).
  • the connecting element 1 has a first and a second electrically conductive Evolutfeder 2 and 3, which are arranged along a common axis X and, in particular by a connecting portion 4, interconnected on.
  • the first and second Evolutfeder 2 and 3 have band-like, conically spiral-shaped turns 5a and 5b, whose axial-side outer surfaces form electrical contact surfaces 6a and 6b, ie, when the contact surfaces 6a and 6b with an electrically conductive element in a mechanical contact, creates a electrically conductive connection between the connecting element 1 and the electrically conductive element.
  • the first and second Evolutfeder 2 and 3 have such a sense of winding and are such, preferably connected by the connecting portion 4, that a through a contact surface of a turn of the first Evolutfeder 2 to a contact surface of a turn of the second Evolutfeder 3 flowing electric current I through the turns of the first Evolutfeder 2 in the reverse tangential direction U as by the turns of the second Evolutfeder 3 flows.
  • the current I penetrates in the embodiment at the electrical contact surface of the innermost turn of the first Evolutfeder 2 in the connecting element 1, flows in the tangential direction U through the turns of the first Evolutfeder 2.
  • the connecting portion 4 passes the current I to the outermost turn of the second Evolutfeder third from where it flows in the reverse tangential direction as by the turns of the first Evolutfeder 2 to the electrical contact surface of the innermost turn of the second Evolutfeder 3 and leaves the connecting element 1 at the electrical contact surface of the innermost turn of the second Evolutfeder 3.
  • the inductance is particularly low when, as in the embodiment, the first and the second Evolutfeder 2 and 3 have the same number of turns.
  • the conical spiral windings of the first and / or the second Evolutfeder can also be designed such that the conical shape of the windings in the opposite direction as in the embodiment runs, i. the respective outermost turn extends the farthest in the axial direction and the respective innermost turn extends at least in the axial direction.
  • the turns of the first and second Evolutfeder the same, based on the in FIG. 1 represented view, running from outside to inside counterclockwise, winding sense. This does not necessarily have to be the case, for example, if the connecting element is designed accordingly.
  • the respective surfaces 21 a and 21 b of the windings 5 a and 5 b of the first and second evolution springs running in the tangential direction U are opposite to one another by means of a respective surfaces 21 a and 21 b of the windings 5 a extending between the tangential direction U and 5b of the first and second Evolutfeder arranged electrical insulation layer 30a and 30b electrically isolated.
  • the insulation layer 30a or 30b is for clarity only in FIG. 2 hatched shown.
  • the electrical insulation layer 30a or 30b may be formed, for example, in the form of an electrically non-conductive lacquer layer or plastic layer applied to the upper and / or lower side of the turns 5a and 5b.
  • the electrical insulation layer 30a or 30b can also be made, for example, of an electrically nonconducting flat element, such as an electrically non-conductive foil, which extends between the surfaces 21a and 21b of the turns 5a and 5b of the first and second evolving springs running in the tangential direction U. 2 and 3 is arranged to be formed.
  • first Evolutfeder 2 with the second Evolutfeder 3 and the connecting portion 4 is integrally formed, which allows easy production of the connecting element 1.
  • the contact surfaces 6a and 6b of the first and second Evolutfeder 2 and 3 on a serrated, in particular tooth-shaped, surface contour are particularly reliable electrically conductive contact between the connecting element 1 and the first and the second power electronics device 13 and 14 achieved.
  • the first and the second Evolutfeder 2 and 3 and the connecting portion 4 are made of an electrically conductive material.
  • electrically conductive material for forming the first and the second Evolutfeder 2 and 3 and the connecting portion 4 is particularly suitable copper or a copper alloy, in particular bronze, since then the connecting element 1 has a particularly low electrical resistance.
  • the first and the second Evolutfeder 2 and 3 and the connecting portion 4 but can of course also consist of another electrically conductive material.
  • FIG. 12 is a schematic perspective view of a connector system 11 including first and second connectors 8a and 8b.
  • FIG. 5 a schematic side view of the connector system 11 is shown.
  • the connecting device 8a or 8b respectively has an electrically insulating housing 7 which encloses at least one connecting element 1 in the tangential direction U of the connecting element 1 and is open in the axial direction of the at least one connecting element 1.
  • connecting devices 8a and 8b respectively have three connecting elements 1.
  • the connecting device has an electrically insulating housing 7 which encloses at least two connecting elements 1 in the tangential direction U of the connecting element 1, then at least one electrically insulating dividing wall 20 is preferably arranged between the connecting elements.
  • the at least one partition wall is preferably formed integrally with the housing. In the embodiment, three partitions 20 are arranged between the connecting elements, wherein for the sake of clarity, only one partition wall is provided with a reference numeral.
  • the housing 7 of the connecting device preferably has at least one bulge 10 extending in the axial direction.
  • the at least one bulge 10 serves to position the connection device on the electrical contact surfaces 15 of the first and second power electronics devices 13 and 14 (see FIG. 1) provided for contacting the first and second power electronics devices 13 and 14 FIG. 6 ).
  • the connector system 11 has interconnecting connectors, and in the embodiment, the first and second connectors 8a and 8b are connected to the connector system 11 through a link 9.
  • the connecting devices are preferably connected to each other at their housing.
  • FIG. 6 a schematic perspective view of a power electronics system 12 is shown.
  • the power electronics system 12 has, within the scope of the exemplary embodiment, the first and the second power electronics 13 and 14, wherein the first and the second power electronics 13 and 14 are electrically conductively connected to each other with a plurality of connecting elements according to the invention, wherein the connecting elements between the first and second power electronics device are arranged, wherein the first and second power electronics means are mechanically connected to each other by means of a connecting means 16, wherein the connecting means 16 generates opposing forces to the spring forces acting in the axial direction of the connecting elements produced by the first and second Evolutfedern of the connecting elements.
  • the connection means 16 is designed in the form of screw connections which mechanically connect the first and the second power electronics device to one another on opposite side walls of the housings of the first and second power electronic devices 13 and 14.
  • the first and second power electronics device 13 and 14 by means of connecting means or by means of the connection device system 11, electrically conductively connected to each other.
  • the first power electronics device 13 is designed as a power semiconductor module and the second power electronics device 12 as a capacitor module.
  • FIG. 12 is a schematic perspective view of another embodiment of a connector system 11 '.
  • FIG. 8 shows a schematic perspective detail view of the connector system 11 '.
  • connection devices 11 ' corresponds to the connector system 11 according to FIG. 4
  • the connection devices are arranged in a matrix-like structure.
  • the matrix-shaped structure enables a compact electrical connection between a plurality of first power electronic devices and a plurality of second power electronic devices (see FIG. 9 and FIG. 10 ).
  • the connecting device system 11 ' has honeycomb-shaped structural elements 18 in which at least one connecting device 8a or 8b is arranged in each case.
  • the honeycomb structural elements 18 enable a mechanically very stable construction of the connector system 11 '.
  • FIG. 9 is a schematic perspective view of another power electronics system 12 'shown.
  • FIG. 10 is a schematic perspective section of the further power electronics system 12 ', wherein in FIG. 10 across from FIG. 9 only a single one of the first and a single one of the second power electronic devices are shown.
  • the power electronics system 12 has a plurality of first and a plurality of second power electronic devices, wherein the sake of clarity in FIG. 10 only a first power electronics device 13 and only one power electronics device 14 are provided with a reference numeral.
  • the first and the second power electronic devices are arranged one above the other and form a respective bar within the scope of the exemplary embodiment.
  • the first and the second power electronic devices are connected to the in FIG. 7 and FIG.
  • the connecting device system 11 ' is arranged between the first and second power electronic devices, wherein the first and second power electronics devices are mechanically connected to each other by means of a connecting means 16, wherein the connecting means 16 counterforce that of the first and second Evolutfedern of the connecting elements of the connecting device system 11 'produced generated in the axial direction of the connecting elements of the dacasanraumssystem spring forces.
  • the connecting means 16 in the form formed by screw connections, which mechanically connect the first and the second power electronics devices on opposite side walls of the housing of the first and second power electronics devices.
  • the power electronics system 12 ' is thus very compact and very stable by means of the connection device system 11'.

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  • Power Conversion In General (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Dc-Dc Converters (AREA)
EP13175241.2A 2012-09-04 2013-07-05 Elément de liaison pour la liaison conductrice d'électricité d'un premier dispositif électronique de puissance avec un deuxième dispositif électronique de puissance Withdrawn EP2704261A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012215651.8A DE102012215651A1 (de) 2012-09-04 2012-09-04 Verbindungselement zur elektrisch leitenden Verbindung einer ersten Leistungselektronikeinrichtung mit einer zweiten Leistungselektronikeinrichtung

Publications (1)

Publication Number Publication Date
EP2704261A1 true EP2704261A1 (fr) 2014-03-05

Family

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Application Number Title Priority Date Filing Date
EP13175241.2A Withdrawn EP2704261A1 (fr) 2012-09-04 2013-07-05 Elément de liaison pour la liaison conductrice d'électricité d'un premier dispositif électronique de puissance avec un deuxième dispositif électronique de puissance

Country Status (4)

Country Link
EP (1) EP2704261A1 (fr)
KR (1) KR20140031123A (fr)
CN (1) CN103681634A (fr)
DE (1) DE102012215651A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4961709A (en) * 1989-02-13 1990-10-09 Burndy Corporation Vertical action contact spring
EP0462706A1 (fr) * 1990-06-11 1991-12-27 ITT INDUSTRIES, INC. (a Delaware corporation) Arrangement de contacts
WO1997015105A1 (fr) * 1994-04-19 1997-04-24 Antti Suvisalmi Dispositif de protection par mise a la terre
US20030186567A1 (en) * 2002-04-02 2003-10-02 Citizen Electronics Co., Ltd. Electric connector for connecting electronic instruments
JP2003346963A (ja) * 2002-05-27 2003-12-05 Citizen Electronics Co Ltd 電気コネクタ
DE10340297A1 (de) * 2003-09-02 2005-03-31 Semikron Elektronik Gmbh Schaltungsanordnung für aktive und passive elektrische und elektronische Bauelemente
US20050088193A1 (en) * 2003-10-27 2005-04-28 Sumitomo Electric Industries, Ltd. Method of manufacturing protruding-volute contact, contact made by the method, and inspection equipment or electronic equipment having the contact
US20050277306A1 (en) * 2004-06-10 2005-12-15 Millard Steven J Spiraled electrical contact
DE102004041207A1 (de) * 2004-08-25 2006-03-30 Siemens Ag Vorrichtung zur Verbindung von Leiterplatten
DE102010042804A1 (de) * 2010-10-22 2012-04-26 Robert Bosch Gmbh Kohlebürste mit Abschaltvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568837A (en) * 1979-07-02 1981-01-29 Yoshie Hasegawa Probe needle
US6764313B2 (en) * 2002-01-03 2004-07-20 International Business Machines Corporation High density interconnects
DE102004061936A1 (de) * 2004-12-22 2006-07-06 Siemens Ag Anordnung eines Halbleitermoduls und einer elektrischen Verschienung
JP2011044452A (ja) * 2009-08-19 2011-03-03 Denso Corp 電子装置およびその製造方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4961709A (en) * 1989-02-13 1990-10-09 Burndy Corporation Vertical action contact spring
EP0462706A1 (fr) * 1990-06-11 1991-12-27 ITT INDUSTRIES, INC. (a Delaware corporation) Arrangement de contacts
WO1997015105A1 (fr) * 1994-04-19 1997-04-24 Antti Suvisalmi Dispositif de protection par mise a la terre
US20030186567A1 (en) * 2002-04-02 2003-10-02 Citizen Electronics Co., Ltd. Electric connector for connecting electronic instruments
JP2003346963A (ja) * 2002-05-27 2003-12-05 Citizen Electronics Co Ltd 電気コネクタ
DE10340297A1 (de) * 2003-09-02 2005-03-31 Semikron Elektronik Gmbh Schaltungsanordnung für aktive und passive elektrische und elektronische Bauelemente
US20050088193A1 (en) * 2003-10-27 2005-04-28 Sumitomo Electric Industries, Ltd. Method of manufacturing protruding-volute contact, contact made by the method, and inspection equipment or electronic equipment having the contact
US20050277306A1 (en) * 2004-06-10 2005-12-15 Millard Steven J Spiraled electrical contact
DE102004041207A1 (de) * 2004-08-25 2006-03-30 Siemens Ag Vorrichtung zur Verbindung von Leiterplatten
DE102010042804A1 (de) * 2010-10-22 2012-04-26 Robert Bosch Gmbh Kohlebürste mit Abschaltvorrichtung

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Publication number Publication date
DE102012215651A1 (de) 2014-03-06
CN103681634A (zh) 2014-03-26
KR20140031123A (ko) 2014-03-12

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