EP1145384A1 - Anschlussklemme - Google Patents
AnschlussklemmeInfo
- Publication number
- EP1145384A1 EP1145384A1 EP99973512A EP99973512A EP1145384A1 EP 1145384 A1 EP1145384 A1 EP 1145384A1 EP 99973512 A EP99973512 A EP 99973512A EP 99973512 A EP99973512 A EP 99973512A EP 1145384 A1 EP1145384 A1 EP 1145384A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- chromium
- clamping frame
- terminal according
- nickel alloy
- 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.)
- Granted
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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/36—Conductive members located under tip of screw
- H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
- H01R4/366—Conductive members located under tip of screw with intermediate part between tip and conductive member intermediate part attached to the tip of the screw
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/36—Conductive members located under tip of screw
- H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
Definitions
- the invention relates to a connection terminal for electrical switching devices according to the preamble of claim 1.
- connection terminals Essentially two different types are known. Depending on the material used, these are
- Clamps in a first embodiment with closed and in a second embodiment with open clamping frames Clamps in a first embodiment with closed and in a second embodiment with open clamping frames.
- increased demands are to be made of the material to be used with regard to the tensile strength (Rm) and the yield strength (Rp 02 ).
- the requirements are varied. On the one hand, a certain strength of the clamping frame is required so that it does not plastically deform under load, and on the other hand, the material must be sufficiently soft so that it can still be processed as well as possible (especially punching and bending).
- Known clamping frames only partially meet these requirements.
- the invention is therefore based on the object of providing a connecting terminal with a particularly open clamping frame which fulfills the aforementioned requirements significantly better than conventional clamping frames.
- Clamping frame with particularly advantageous properties is created by a material composition of the clamping frame consisting of a chromium-nickel alloy with a chromium content of 16% -18%, in particular 17%, mass content, this steel being work hardened by lengths (eg rolling or drawing). The material undergoes a cross-sectional decrease of 15% -20%, preferably 17%, through the work hardening.
- Figure 1 a terminal with an open clamping frame in a conventional structure
- FIG. 2 a mass content diagram of a chromium-nickel alloy
- Figure 3 a strength diagram for a preferred clamping frame material.
- Fig. 1 shows a terminal with an open clamping frame 2, a - receiving a clamping screw 4 - clamping nut 5 and a pressure plate 6 attached to the clamping screw 4.
- the clamping frame 2 consists in particular of a non-magnetizable steel, in the form of a chrome-nickel -Alloy, with austenitic structure.
- the distribution of chromium and nickel within the alloy is chosen such that after the material has been strain hardened by cold working, it remains non-magnetizable.
- the material is cold worked in such a way that a cross-sectional decrease of 15-20%, preferably 17%, is achieved (FIG. 3).
- FIG. 2 shows the mass content diagram of a particularly preferred material.
- This is the material with the steel key number 1.4571 (DIN 17007). After a special strain hardening, this material fully meets the requirements set out in the invention.
- the chrome-nickel alloy has the greatest possible distance from the line to austenite transformation (not magnetisable) in ferrite or martensite (both magnetisable) with the highest possible nickel content. This distance from the transformation line is required so that no martensite or ferrite is formed during work hardening by cold working, which would then make the material magnetizable. Exactly this magnetizability should be avoided in any case, in order to keep the self-heating of the connecting terminal which occurs due to eddy current losses as low as possible.
- this steel is not an expensive custom-made product but a standard steel.
- this steel is strain hardened to a certain extent in order to obtain the desired properties for the clamping frame according to the invention.
- the steel is cold worked, for example by rolling or drawing, in such a way that the cross section of the steel is reduced by 15% -20%.
- FIG. 3 shows the tensile strength (Rm / N / mm 2 ), the yield strength (Rp 0.2 / N / mm 2 ) and the elongation at break (A b /%) as a function of the decrease in cross section of the steel 1.4571. It can be seen from this that the desired properties are achieved with a cross-sectional decrease of the above-mentioned material by 15% -20%.
- a steel treated in this way has a tensile strength of 700-800 N / mm 2 and an elastic limit of 600-700 N / mm 2 .
Landscapes
- Conductive Materials (AREA)
- Forging (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858488 | 1998-12-18 | ||
DE19858488 | 1998-12-18 | ||
PCT/EP1999/008588 WO2000038277A1 (de) | 1998-12-18 | 1999-11-09 | Anschlussklemme |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1145384A1 true EP1145384A1 (de) | 2001-10-17 |
EP1145384B1 EP1145384B1 (de) | 2003-09-17 |
Family
ID=7891568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99973512A Expired - Lifetime EP1145384B1 (de) | 1998-12-18 | 1999-11-09 | Anschlussklemme |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1145384B1 (de) |
AU (1) | AU1161700A (de) |
DE (2) | DE59907062D1 (de) |
WO (1) | WO2000038277A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10056983A1 (de) * | 2000-11-17 | 2002-05-23 | Bsh Bosch Siemens Hausgeraete | Antrieb eines Gebläses für einen Kältegeräteverdichter |
DE102009002470A1 (de) * | 2009-04-17 | 2010-10-21 | Efen Gmbh | Klemmaufbau sowie Lastschaltleiste oder Trenner mit Klemmaufbau |
DE202010006409U1 (de) * | 2010-05-04 | 2011-10-12 | Weidmüller Interface GmbH & Co. KG | Gewindeplatte |
CN106911054B (zh) * | 2017-04-01 | 2024-03-19 | 菲尼克斯亚太电气(南京)有限公司 | 一种外置式开关螺钉转接组件 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5713976B2 (de) * | 1973-01-08 | 1982-03-20 | ||
DE9406108U1 (de) * | 1994-04-13 | 1994-06-16 | Klöckner-Moeller GmbH, 53115 Bonn | Rahmenklemme für elektrische Geräte |
DE19833150C1 (de) * | 1998-07-23 | 1999-10-14 | Moeller Gmbh | Anschlußklemme |
-
1999
- 1999-11-09 DE DE59907062T patent/DE59907062D1/de not_active Expired - Lifetime
- 1999-11-09 EP EP99973512A patent/EP1145384B1/de not_active Expired - Lifetime
- 1999-11-09 AU AU11617/00A patent/AU1161700A/en not_active Abandoned
- 1999-11-09 WO PCT/EP1999/008588 patent/WO2000038277A1/de active IP Right Grant
- 1999-11-11 DE DE29919775U patent/DE29919775U1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0038277A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2000038277A1 (de) | 2000-06-29 |
EP1145384B1 (de) | 2003-09-17 |
DE29919775U1 (de) | 2000-01-20 |
AU1161700A (en) | 2000-07-12 |
DE59907062D1 (de) | 2003-10-23 |
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