EP1145384B1 - Borne de raccord - Google Patents
Borne de raccord Download PDFInfo
- Publication number
- EP1145384B1 EP1145384B1 EP99973512A EP99973512A EP1145384B1 EP 1145384 B1 EP1145384 B1 EP 1145384B1 EP 99973512 A EP99973512 A EP 99973512A EP 99973512 A EP99973512 A EP 99973512A EP 1145384 B1 EP1145384 B1 EP 1145384B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- clamping frame
- connecting terminal
- cold
- clamping
- 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.)
- Expired - Lifetime
Links
Images
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 the preamble of claim 1.
- Such an exclusion clamp is from the Document DE-U-94 06 108 known.
- connection terminals Essentially two different types are known. Depending on the material used, these clamps are designed with closed clamp frames in a first embodiment and with open clamp frames in a second embodiment.
- clamp frames in an open embodiment increased demands are to be made of the material to be used with regard to the tensile strength (Rm) and the yield strength (Rp 0.2 ). 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 having a connecting terminal to create a particularly open clip frame that the previously mentioned requirements better than conventional Clamping frame.
- the clamping frame 2 made of a non-magnetizable steel, in Form of a chrome-nickel alloy with an austenitic structure.
- the Distribution of chromium and nickel within the alloy is chosen so that after work hardening of the material by cold working, this remains non-magnetizable. For this the material becomes like this cold worked that a cross-sectional decrease of 15-20%, preferably 17%, is reached (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 work hardening, this material fully fulfills the requirements of the invention.
- the chrome-nickel alloy has the greatest possible distance from the line to the transformation of austenite (not magnetizable) into ferrite or martensite (both magnetizable) with the highest possible proportion of nickel. This distance to the transformation line is required so that no strain of martensite or ferrite is produced 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 connection 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 steel has a cross-sectional decrease of 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 .
- the present invention includes all described in claims 2 to 5 Embodiments.
Landscapes
- Conductive Materials (AREA)
- Forging (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Claims (6)
- Borne de raccordement pour interrupteurs électriques, en particulier des disjoncteurs, comprenantun cadre ouvert (2) de borne, une vis (4) de borne, un écrou (5) de borne et une plaque de poussée (6),le cadre (2) de la borne est réalisé en acier dont le numéro-clé selon DIN 17007 est 1.4571 et qui est façonné à froid de telle sorte que sa section transversale initiale soit diminuée de 15 à 20 %.
- Borne de raccordement selon la revendication 1, caractérisée en ce que le cadre (2) de la borne est. réalisé en acier écroui avec une réduction de 17 % de sa section transversale.
- Borne de raccordement selon la revendication 1 ou 2, caractérisée en ce que l'acier est écroui et présente après écrouissage une résistance en traction de 700-800 N/mm2 et une limite élastique > 500 N/mm2, en particulier de 600 à 700 N/mm2.
- Borne de raccordement selon l'une quelconque des revendications précédentes, caractérisée en ce que le cadre (2) de la borne a une configuration ouverte.
- Procédé pour la fabrication d'un matériau pour cadre de borne pour le cadre (2) d'une borne de raccordement selon la revendication 1, caractérisé en ce qu'un acier dont le numéro-clé selon DIN 17007 est 1.4571 est façonné à froid de telle sorte que sa section transversale initiale soit diminuée de 15 à 20 %.
- Procédé selon la revendication 5, caractérisé en ce que la limite élastique de l'acier est de 600 à 700 N/mm2.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858488 | 1998-12-18 | ||
DE19858488 | 1998-12-18 | ||
PCT/EP1999/008588 WO2000038277A1 (fr) | 1998-12-18 | 1999-11-09 | Borne de raccord |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1145384A1 EP1145384A1 (fr) | 2001-10-17 |
EP1145384B1 true EP1145384B1 (fr) | 2003-09-17 |
Family
ID=7891568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99973512A Expired - Lifetime EP1145384B1 (fr) | 1998-12-18 | 1999-11-09 | Borne de raccord |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1145384B1 (fr) |
AU (1) | AU1161700A (fr) |
DE (2) | DE59907062D1 (fr) |
WO (1) | WO2000038277A1 (fr) |
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 (fr) * | 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 WO PCT/EP1999/008588 patent/WO2000038277A1/fr active IP Right Grant
- 1999-11-09 DE DE59907062T patent/DE59907062D1/de not_active Expired - Lifetime
- 1999-11-09 AU AU11617/00A patent/AU1161700A/en not_active Abandoned
- 1999-11-09 EP EP99973512A patent/EP1145384B1/fr not_active Expired - Lifetime
- 1999-11-11 DE DE29919775U patent/DE29919775U1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59907062D1 (de) | 2003-10-23 |
AU1161700A (en) | 2000-07-12 |
DE29919775U1 (de) | 2000-01-20 |
EP1145384A1 (fr) | 2001-10-17 |
WO2000038277A1 (fr) | 2000-06-29 |
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