EP0886339A1 - Rail support d'appareillages électriques ou électroniques et boitier comprenant un tel rail - Google Patents
Rail support d'appareillages électriques ou électroniques et boitier comprenant un tel rail Download PDFInfo
- Publication number
- EP0886339A1 EP0886339A1 EP98420094A EP98420094A EP0886339A1 EP 0886339 A1 EP0886339 A1 EP 0886339A1 EP 98420094 A EP98420094 A EP 98420094A EP 98420094 A EP98420094 A EP 98420094A EP 0886339 A1 EP0886339 A1 EP 0886339A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- terminal
- electrical
- housing
- electronic apparatus
- 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- Withdrawn
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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
- 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
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
Definitions
- the invention relates to a rail forming an apparatus support. electrical or electronic and to an electrical box or electronics comprising such a rail.
- Electrical connection rails are conventionally used inside electrical or electronic boxes such as, for example, connection cabinets electricity from an energy distribution network, to receive the various electrical or electronic equipment such as as circuit breakers, disconnectors, relays, etc.
- FIG. 1 Such a rail 1 according to the prior art is shown in FIG. 1. It comprises two lateral wings 1 a and 1 b and orifices 1 c drilled in its bottom veil allowing the fixing of the apparatus.
- This rail is made of electrically conductive material and comprises a terminal 2 for earthing these elements. This terminal 2 is crimped in an orifice 3 of the rail 1.
- terminal 2 and rail 1 Given its realization by means of two pieces separate, the junction between terminal 2 and rail 1 has a risk of poor contact and, in particular, of deterioration over time. Indeed, vibrations which can be subject the rail and the items they carry can gradually disconnect terminal 2 from rail 1.
- a battery effect can result from a galvanic couple created between the constituent materials of rail 1 and terminal 2, this which can cause a corrosion effect which can go, given of the very long period of use of these rails, which can reach several decades, until destruction of the electrical connection between terminal 2 and rail 1. This is not admissible for security reasons, so that holding the ground contact is usually not checked during switchgear maintenance operations.
- the invention relates to a rail forming support for electrical or electronic equipment, said rail comprising at least one earthing terminal of said electric or electronic elements, characterized in that said terminal is formed by a part made of material with said rail.
- the rail is in one piece up to its part constituting the earthing terminal, so that it there can be no potential difference between the terminal and the rail and that the terminal is fixed to the rail without screwing, crimping or welding.
- the invention therefore allows also to simplify the manufacture of the rail compared to known device.
- the terminal is obtained by simultaneous molding with the rail.
- a simultaneous molding of the terminal rail is a very simple way to create a terminal made of material with the rail.
- the terminal is obtained by machining.
- the terminal is formed on a boss, near a side wing of the rail. This positioning of the bollard near a wing of the rail facilitates the connection of the grounding connectors of different elements mounted on the rail.
- the terminal extends substantially perpendicular to the plane main of the rail. This facilitates its access by an operator located in front of the rail.
- the invention also relates to an electrical box or electronics comprising a rail as previously described. By case, one understands any box or cupboard containing electrical or electronic equipment.
- the rail 11 shown in Figure 2 is made of an electrically conductive material and, for example, zinc alloy, aluminum and copper such as, in particular, zamak. It includes a bottom screen 12 and two lateral wings 13 and 14 reinforced by ribs 13 a and 14 a . Holes 15 are provided in the bottom screen 12.
- a terminal 20 came from material with rail 11. More precisely, terminal 20 is obtained during the molding of the rail 11.
- the modification of the tooling used for the manufacture of rail 11 compared to rail 1 previously described is relatively simple in the as it suffices to provide an additional location for the formation of terminal 20 during the molding of the rail 11.
- Terminal 20 is formed on a hollow boss 18 formed in the bottom web 12 near the wing 13.
- terminal 20 extends in a direction XX ' generally perpendicular to the main plane of rail 11 which is parallel to the bottom panel 12. This facilitates access for a operator at terminal 20 when the end of a conductor cable must be inserted in a hole 21, passing through apart terminal 20, to be clamped in place with a screw materialized in Figure 2 by its center line 22, and housed in a thread 23.
- the rail of the invention can be produced with dimensions making it conform to current DIN, AFNOR or others, so as to make it compatible with the majority of known electrical or electronic equipment.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
Description
- La figure 2 est une vue en perspective d'un rail conforme à l'invention et
- La figure 3 est une coupe transversale selon la ligne III-III à la figure 2.
Claims (6)
- Rail (11) formant support d'appareillages électriques ou électroniques, ledit rail comprenant au moins une borne (20) de mise à la terre desdits appareillages, caractérisé en ce que ladite borne est formée par une partie venue de matière avec ledit rail.
- Rail suivant la revendication 1, caractérisé en ce que ladite borne (20) est obtenue par moulage simultané avec ledit rail (11).
- Rail suivant la revendication 1, caractérisé en ce que ladite borne (20) est obtenue par usinage.
- Rail suivant l'une des revendications 1 à 3, caractérisé en ce que ladite borne (20) est formée sur un bossage (18), à proximité d'une aile latérale (13) dudit rail (11).
- Rail suivant l'une des revendications précédentes, caractérisé en ce que ladite borne (20) s'étend de façon substantiellement perpendiculaire (XX) au plan principal (12) dudit rail (11).
- Boítier électrique ou électronique comprenant un rail (11) selon l'une des revendications précédentes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9707679 | 1997-06-16 | ||
FR9707679A FR2764740B1 (fr) | 1997-06-16 | 1997-06-16 | Rail support d'appareillages electriques ou electroniques et boitier comprenant un tel rail |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0886339A1 true EP0886339A1 (fr) | 1998-12-23 |
Family
ID=9508206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98420094A Withdrawn EP0886339A1 (fr) | 1997-06-16 | 1998-06-10 | Rail support d'appareillages électriques ou électroniques et boitier comprenant un tel rail |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0886339A1 (fr) |
FR (1) | FR2764740B1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2157956A1 (fr) * | 1971-10-25 | 1973-06-08 | Nordiske Kabel Og As | |
FR2593647A1 (fr) * | 1986-01-29 | 1987-07-31 | Legrand Sa | Bloc de jonction a rapporter sur un profile. |
US4693688A (en) * | 1986-07-14 | 1987-09-15 | Amp Incorporated | Grounding connector |
-
1997
- 1997-06-16 FR FR9707679A patent/FR2764740B1/fr not_active Expired - Fee Related
-
1998
- 1998-06-10 EP EP98420094A patent/EP0886339A1/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2157956A1 (fr) * | 1971-10-25 | 1973-06-08 | Nordiske Kabel Og As | |
FR2593647A1 (fr) * | 1986-01-29 | 1987-07-31 | Legrand Sa | Bloc de jonction a rapporter sur un profile. |
US4693688A (en) * | 1986-07-14 | 1987-09-15 | Amp Incorporated | Grounding connector |
Also Published As
Publication number | Publication date |
---|---|
FR2764740A1 (fr) | 1998-12-18 |
FR2764740B1 (fr) | 1999-09-17 |
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RTI1 | Title (correction) |
Free format text: SUPPORT RAIL FOR AN ELECTRICAL OR ELECTRONIC APPARATUS WITH A CONNECTION TERMINAL AND HOUSING COMPRISING SUCH A RAIL |
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