EP3542416A1 - Current bar for a connection terminal - Google Patents
Current bar for a connection terminalInfo
- Publication number
- EP3542416A1 EP3542416A1 EP17800787.8A EP17800787A EP3542416A1 EP 3542416 A1 EP3542416 A1 EP 3542416A1 EP 17800787 A EP17800787 A EP 17800787A EP 3542416 A1 EP3542416 A1 EP 3542416A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal
- current bar
- conductor
- cover layer
- layer
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 241001676573 Minium Species 0.000 claims 1
- 239000003550 marker Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 9
- 239000000470 constituent Substances 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 65
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/38—Insulated conductors or cables characterised by their form with arrangements for facilitating removal of insulation
-
- 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
- H01R4/58—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 characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
Definitions
- the present invention relates to a current bar for a terminal. Furthermore, the present invention relates to a terminal with a current bar.
- connection terminals are known from the prior art, which may be formed, for example, as terminal blocks or as feed-through terminals.
- connection terminals may be formed, for example, as terminal blocks or as feed-through terminals.
- lead-through terminals are used, which are sometimes referred to as wall feed-through terminals.
- the feed-through terminals are designed to allow reliable and convenient connection of external conductors to a corresponding internal conductor of the electrical appliance.
- Feedthrough ⁇ terminals may be integrally formed, wherein in a corresponding embodiment of the feedthrough terminal in the wall through which the electrical line is to pass, one of the cross-sectional geometry of the lead-through terminal must be provided corresponding opening into which the feed-through terminal is inserted.
- a feedthrough terminal is formed in two parts and an inner ⁇ part or inner housing and an outer part or outer housing, wherein the inner part is arranged on the inside of a wall or attached thereto , and wherein the outer ⁇ part is arranged on the outside of the wall or attached thereto.
- Terminal blocks are usually snapped onto mounting rails, which in turn often in a plurality in a
- the basic type of terminal block is the connection terminal, which has at least twonatianschlus- elements, which are electrically connected to each other via a current bar.
- a current bar or a bus bar is always made of copper or a copper alloy. Copper is characterized by a high electrical conductivity in the range of 58 * 10 6 S / m. Due to the high electrical conductivity of copper, the current bar can be made compact. This in turn leads to a compact feedthrough terminal.
- the present invention has for its object to provide a current bar, which is cheaper to produce with consistently good power line properties.
- the object underlying the present invention is achieved by a current bar having the features of claim 1 of the present invention.
- Advantageous embodiments of the current bar are described in the dependent of claim 1 claims. More specifically, the object underlying the present invention is achieved by a current bar for a terminal, wherein the terminal has a first Anschlußbe ⁇ rich and a galvanically connected to this second terminal area.
- the current bar according to the invention is characterized in that the current bar has a Lei ⁇ tung carrier, by means of which the first connection area with the second connection area is electrically connected, wherein a material of the main component of the carrier track aluminum is nium, wherein an electrically conductive top layer disposed on the conductor support, and wherein an electrically conductive intermediate layer is sandwiched between the conductor carrier and the cover layer.
- the current bar according to the invention which can also be referred to as a busbar, has considerably lower material costs compared with current bars made of copper.
- the current bar according to the invention Due to the coating of the current bar with the cover layer, the current bar according to the invention has a reduced resistance to interference between the current bar and a conductor / conductor connected to the current bar, since the cover layer adapts to the outer shape of the connected conductor when the force is applied accordingly.
- the size of the current bar according to the invention is substantially unchanged to made of copper current bar.
- Another advantage of the current bar according to the invention lies in its reduced weight, so that the transport costs of the current kombs or of the connection terminals equipped with current bars according to the invention are significantly reduced.
- the cover layer has an electrically conductive material. Furthermore, the cover layer preferably has a high ductility, so that the cover layer adapts to the outer shape of a conductor by ductile change in shape when the conductor is subjected to a force (for example by clamping) in the direction of the current bar.
- the intermediate layer also has an electrically conductive material.
- the interlayer serves to protect the cable carrier from corrosion, because corrosion of the aluminum of the cable carrier would form on the surface of the current bar a not or only very poorly conductive aluminum oxide layer.
- the top layer is preferably softer than the intermediate layer ⁇ .
- the conductor carrier can also be referred to as a line core.
- the first connection region and the second connection region are preferably angeord ⁇ net / positioned at the end of the current bar.
- the conductor carrier preferably consists of EN AW 6060 aluminum. Of course, it is also possible that the conductor carrier is made of a different aluminum alloy.
- the current bar is formed such that the intermediate layer comprises nickel or consists of nickel.
- Nickel has proven to be very suitable for protecting against corrosion of aluminum.
- the current bar is formed such that the cover layer comprises tin or consists of tin.
- a tin layer as a cover layer reduces the resistance between a conductor connected to the current bar and the current bar, because the effective contact area between the conductor and the current bar is increased due to the high / high ductility of the tin layer.
- the tin layer formed as a cover layer is softer than the intermediate layer.
- the current bar is formed such that the conductor carrier is sandwiched between two intermediate layers, wherein the intermediate layers are each covered on the outside by a cover layer, so that each intermediate layer is sandwiched between the conductor carrier and a cover layer.
- the current bar therefore has the following layer structure: cover layer, intermediate layer, conductor carrier, intermediate layer, covering layer.
- the layer structure of the current bar is preferably symmet ⁇ risch formed, ie, on both sides of the conductor carrier has this with respect to the layer thicknesses identically formed intermediate and outer layers.
- this is designed such that the cover layer completely encloses the conductor carrier, wherein between the conductor carrier and the cover layer, the intermediate layer is always arranged.
- the conductor carrier is completely surrounded by the intermediate layer, wherein the current bar is surrounded on the outside by the covering layer.
- the two intermediate layers preferably comprise nickel or consist of nickel.
- the two cover layers preferably comprise tin or consist of tin.
- the current bar is designed such that a first contacting area of the first connecting area and a second registering area of the second contacting area are ribbed.
- the cover layer can be improved even further by adapting the shape of a conductor connected to the current bar by ductile deformation, so that the narrow resistance between the connected conductor and the current bar is reduced.
- the current bar is preferably designed such that the intermediate layer has a thickness of from 1 ⁇ m to 8 ⁇ m, preferably from 2 ⁇ m to 4 ⁇ m, and that the top layer has a thickness of from 2 ⁇ m to 16 ⁇ m, preferably from 4 ⁇ m to 8 ⁇ m having.
- the present invention has for its object to provide a terminal that is cheaper to manufacture with consistently good power line properties and has unchanged outer dimensions.
- connection terminal with a first conductor receptacle and a second conductor receptacle, wherein the connection terminal is characterized in that it has one of the current bars described above, wherein the first connection region of the current bar via the first conductor - Aufnähme the terminal is contacted, and wherein the second connection region of the current bar via the second Lei ⁇ terfact the terminal is contactable.
- the terminal is designed as a feed-through terminal.
- this has an inner ⁇ part and an outer part connectable with this, wherein the first conductor receiving in the inner part and the second Lei ⁇ terage is arranged in the outer part.
- the terminal is designed as a terminal block ⁇ forms.
- FIG. 1A shows a perspective view of a device according to the invention
- FIG. 1B a sectional view through the current bar shown in FIG. 1A, from which the layer structure of the current bar can be seen;
- Figure 2A a perspective view of a feedthrough clamp according to the invention;
- FIG. 2B shows the lead-through terminal shown in FIG. 2A from a different perspective
- Figure 3 is a side view of the bushing clamp shown in Figures 2A and 2B;
- FIG. 4A is a front view of the lead-through terminal shown in FIGS. 2A to 3;
- FIG. 4B is a sectional view of that shown in FIG. 4A
- FIG. 5A a perspective view of a device according to the invention
- FIG. 5B a front view of that shown in FIG. 5A
- FIG. 5C a sectional view of that shown in FIG. 5B
- FIG. 1A shows a perspective view of a current bar 10 according to the invention.
- FIG. 1B shows a section through the current bar 10 shown in FIG. 1A.
- the current bar 10, which is preferably designed for a connection terminal 100, 200 shown in FIGS. 2A to 5C, has a first connection region 11 and a second connection region 13 electrically connected thereto.
- both the first contact pad 12 and the second contact pad 14 are fluted formed so that achieves an increased contact area between the current beam 10 and the current conductors between the respective Kon ⁇ takt istsflachen 12, 14 and in the figures current conductors not shown are. This reduces a tight resistance between the respective current conductors and the respective contacting surfaces 12, 14.
- the current bar 10 according to the invention has a conductor carrier 16, by means of which the first connection region 11 is galvanically connected to the second connection region 13.
- a main material constituent of the conductor carrier 16 is aluminum.
- the material for the current bar pure aluminum or an aluminum alloy can be used.
- the conductor carrier 16 may be formed of EN AW 6060 aluminum.
- other aluminum alloys can be used as material for the conductor carrier 16 nen.
- the current bar 10 according to the invention also has at least one electrically conductive cover layer 18.
- the cover layer 18 limits the current bar 10 to the outside. In the illustrated embodiment, the cover layer 18 encloses the conductor carrier 16 entirely.
- the current bar 10 also has an intermediate layer 17, which is sandwiched between the conductor carrier 16 and the cover layer 18. As can be seen from FIG. 1B, the intermediate layer 17 surrounds the conductor carrier 16 completely, the current bar 10 and the intermediate layer 17 being completely enclosed by the cover layer 18.
- the intermediate layer 17 preferably has nickel or is made entirely of nickel.
- the cover layer 18 preferably comprises tin or is entirely made of tin. Due to the large ductility of the formed as a tin layer 18 cover layer 18, the surface of the current bar 10 adapts when pressed a not shown in the figures, the outer conductor geometry of the conductor, so that a contact surface between the respective terminal surfaces ⁇ 12, 14 and the connected conductors is enlarged. This reduces the energy resistance between the connected conductors and the current bar 10.
- FIGS. 2A to 4B show a connection terminal 100 according to the invention designed as a lead-through terminal 100.
- the lead-through terminal 100 has an inner part 110 and an outer part 120 which can be connected to it. As can be seen in particular from FIGS.
- an intermediate region 130 or a free space 130 is formed between the inner part 110 and the outer part 120.
- the housing ⁇ lt is arranged in the wall of the intermediate region 130th
- a first conductor receptacle 111 of the feed-through terminal 100 is located in the inner part 110 and a second conductor receptacle 121 is arranged in the outer part 120.
- FIGS. 5A to 5C show a connection terminal 200 according to the invention designed as a terminal block 200.
- the terminal block 200 has a first conductor receptacle 211 and a second conductor receptacle 221.
- the terminal 200 according to the invention has a current bar 10 described with reference to FIGS. 1A and 1B.
- the first terminal portion 11 of the power terminal 10 is connected via a first conductor receiving the 211 rows ⁇ terminal 200 contactable, and the second terminal portion 13 of the power terminal 10 is connected via a second conductor receiving 221 of the terminal 200 contactable.
- the terminal 200 according to the invention has a Locking device 230, by means of which the terminal block 200 can be latched onto a bar, not shown in the figures.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Fuses (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU93316A LU93316B1 (en) | 2016-11-21 | 2016-11-21 | Current bar for a terminal and terminal with a current bar |
PCT/EP2017/078618 WO2018091332A1 (en) | 2016-11-21 | 2017-11-08 | Current bar for a connection terminal |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3542416A1 true EP3542416A1 (en) | 2019-09-25 |
Family
ID=57708698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17800787.8A Pending EP3542416A1 (en) | 2016-11-21 | 2017-11-08 | Current bar for a connection terminal |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190348198A1 (en) |
EP (1) | EP3542416A1 (en) |
CN (1) | CN109983627A (en) |
DE (1) | DE202017007579U1 (en) |
LU (1) | LU93316B1 (en) |
WO (1) | WO2018091332A1 (en) |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53103938A (en) * | 1977-02-22 | 1978-09-09 | Sumitomo Electric Ind Ltd | Aluminum bus bar having good jointing property and its preparation |
ES2045218T3 (en) * | 1989-03-04 | 1994-01-16 | Weidmueller Interface | DOUBLE DISCONNECTING BOX. |
DE4013818A1 (en) * | 1990-04-30 | 1991-10-31 | Hoelscher Heinrich Tech Buero | DISCONNECTING CLAMP |
DE4203184C3 (en) * | 1992-02-05 | 1996-11-21 | Weidmueller Interface | Protective conductor terminal |
DE4438803C1 (en) * | 1994-10-31 | 1996-03-21 | Weidmueller Interface | Distribution strips with transverse distribution of electrical power (I) |
DE29514014U1 (en) * | 1995-09-01 | 1995-10-19 | Weidmüller Interface GmbH & Co, 32760 Detmold | Terminal block with busbar |
DE29616837U1 (en) * | 1996-09-27 | 1996-11-14 | Weidmüller Interface GmbH & Co, 32760 Detmold | Terminal block with busbar |
JP3286560B2 (en) * | 1997-04-28 | 2002-05-27 | 株式会社オートネットワーク技術研究所 | Mating connection terminal |
US20030060090A1 (en) * | 2001-09-21 | 2003-03-27 | Allgood Christopher L. | High current automotive electrical connector and terminal |
DE102004015345A1 (en) * | 2004-03-30 | 2005-10-27 | Kostal Kontakt Systeme Gmbh | Electrical socket contact for high current applications |
DE102005008899B4 (en) * | 2005-02-01 | 2007-04-19 | Wieland Electric Gmbh | Neutral disconnect terminal |
DE102005040657A1 (en) * | 2005-08-26 | 2007-03-15 | Phoenix Contact Gmbh & Co. Kg | Electrical connection terminal |
DE102008043137A1 (en) * | 2008-10-23 | 2010-04-29 | Robert Bosch Gmbh | Contacting device for an electrical component or an electrical circuit |
DE102009004136B4 (en) * | 2009-01-06 | 2011-09-01 | Phoenix Contact Gmbh & Co. Kg | Electrical connection terminal for passing a cable through a wall |
DE102010033808B4 (en) * | 2010-08-09 | 2016-12-22 | Phoenix Contact Gmbh & Co. Kg | terminal |
DE102011085700A1 (en) * | 2011-11-03 | 2013-05-08 | Bayerische Motoren Werke Aktiengesellschaft | High current connectors for automotive applications |
AU2013203343B2 (en) * | 2012-03-20 | 2014-09-18 | Albus Industries Pty Ltd | Busbar |
JP5949291B2 (en) * | 2012-08-03 | 2016-07-06 | 株式会社オートネットワーク技術研究所 | Connector terminal and connector terminal material |
DE102014102602A1 (en) * | 2014-02-27 | 2015-08-27 | Phoenix Contact Gmbh & Co. Kg | Terminal block and terminal block |
-
2016
- 2016-11-21 LU LU93316A patent/LU93316B1/en active IP Right Grant
-
2017
- 2017-11-08 DE DE202017007579.2U patent/DE202017007579U1/en active Active
- 2017-11-08 CN CN201780072066.3A patent/CN109983627A/en active Pending
- 2017-11-08 WO PCT/EP2017/078618 patent/WO2018091332A1/en active Application Filing
- 2017-11-08 EP EP17800787.8A patent/EP3542416A1/en active Pending
- 2017-11-08 US US16/461,474 patent/US20190348198A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
LU93316B1 (en) | 2018-05-25 |
WO2018091332A1 (en) | 2018-05-24 |
CN109983627A (en) | 2019-07-05 |
DE202017007579U1 (en) | 2023-02-16 |
US20190348198A1 (en) | 2019-11-14 |
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