EP0687032B1 - Borne de raccordement pour un appareillage électrique - Google Patents
Borne de raccordement pour un appareillage électrique Download PDFInfo
- Publication number
- EP0687032B1 EP0687032B1 EP95410053A EP95410053A EP0687032B1 EP 0687032 B1 EP0687032 B1 EP 0687032B1 EP 95410053 A EP95410053 A EP 95410053A EP 95410053 A EP95410053 A EP 95410053A EP 0687032 B1 EP0687032 B1 EP 0687032B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shield
- cage
- screen
- terminal according
- terminal
- 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
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 230000000873 masking effect Effects 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
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
Definitions
- connection terminal for electrical equipment comprising a cage, a contact pad, a clamping screw, a screen made of synthetic material intended to prevent incorrect connection of a cable by partially masking the opening in the terminal to the introduction of said cable, and connecting means arranged to allow the establishment of said screen.
- connection terminals of certain electrical devices are provided with a strip, called screen, intended to prevent a wrong connection of a cable by introduction of the stripped end of this cable into an opening in the terminal cage.
- a strip called screen
- the cage moves when tightening the previously introduced cable in a suitable opening, using a screw. This displacement of the cage releases a space to which access can be taken accidentally for opening the cage. Such a error results in a poor, even dangerous, connection.
- connection terminal block comprising a terminal cage, a contact pad and a clamping screw.
- a spring element formed by a folded sheet and made of a metallic material flexible. This sheet has an elastic V-shaped intermediate part, arched towards underside of the contact pad, and two folded end portions.
- the terminal part is angularly folded 180 ° to connect the spring element to the cage.
- the other end part is in protruding tongue shape bent at 90 ° to form a flap, on which can be inserted a cap of insulating material.
- This bib fitted with the cap is intended to prevent incorrect connection of the cable, but the necessary clearance between the elastic intermediate part and the base of the cage to exert contact pressure, generates a relative movement between the spring element and the cage.
- the insulating cap is attached to the spring element metallic. The presence of the spring element inside the cage also limits the dimension of the terminal inlet.
- Such a terminal is designed for a terminal block of a terminal block, but is not suitable for a large-caliber circuit breaker.
- the present invention proposes to overcome this drawback by providing a terminal standard connection that can be used with or without a screen depending on the needs related to the intended application.
- connection terminal according to the invention is characterized in that the screen is attached removably to the connecting means provided at the base of the cage.
- the cage is provided with connecting means arranged to allow the snap-fit installation of said screen produced in one piece in the form a rigid plate.
- the screen consists of two or more several elements sliding relative to each other. It can also consist of a or several flexible retractable elements.
- connection terminal 10 comprises a cage 11, a range of contact 12 and a clamping screw 13.
- the cage 11 is preferably made of aluminum from of a profile produced by drawing and the internal walls of which are threaded to be able to receive the clamping screw 13.
- the cage 11 is provided with snap-fastening means in the form of two lateral protrusions 14, arranged to cooperate with two hooks 15 of a removable screen 16 which can be attached, if necessary or useful for mounting electric realized.
- This screen is advantageously made of a synthetic material and the hooks 15 have sufficient elasticity to be able to snap onto the protrusions side 14.
- FIG. 1 shows the cage provided with the screen.
- Figure 4 shows the cage not equipped with the screen.
- Figure 2 shows the cage equipped with the screen and used as the terminal of an electrical apparatus 20 for connecting a cable 17 of large diameter.
- the screen occupies a relatively low position, since the end stripped 17a of cable 17 occupies the largest part of the interior cavity corresponding to opening 18 of the cage.
- Figure 3 shows the cage fitted with the screen and used as terminal of the electrical equipment 20, for connecting a cable 19 of small diameter.
- the screen occupies a high position since the stripped end 19a of the cable occupies a low part of the volume of the interior cavity of the cage. Therefore, the risk of connection error are high, because that it would be easy to accidentally introduce other cables into the opening of the cage. he As a result, the screen has all its justification and fulfills its function.
- the screen is a rigid plate made of a part, for example by stamping, molding, thermoforming, etc. Others constructions are possible and will be described by way of examples with reference to following figures.
- Figures 5 and 6 show a construction in which the screen 16 is made in two elements sliding relative to each other.
- the screen 16 comprises a first element 16a and a second element 16b.
- Total height of the screen in the deployed state is h.
- the height of each element 16a and 16b is substantially h / 2, which corresponds to the height of the screen in the folded state.
- the deployed position is that which corresponds to the connection of a small diameter cable and the folded position is that which corresponds to the connection of a large diameter cable. All positions intermediaries are obviously possible.
- Figures 7 and 8 show a construction in which the screen 16 is flexible and retractable and can be produced in the form of a flexible sheet or of several strips articulated with respect to each other. It is then placed between guide elements 21, 22 which allows it to perform its screen function in the manner of a roller blind. The Figure 7 shows such a deployed screen. When the connected cable is large in diameter, the screen is partially or completely retracted as shown in Figure 8.
- the overall height can be greatly reduced, the height of the screen in the retracted state being very small. In all cases, the screen is reported, which gives the user the choice of whether or not to equip the cage with a screen.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
Claims (8)
- Borne de raccordement pour un appareillage électrique comportant une cage, une plage de contact, une vis de serrage, un écran (16) en matériau synthétique destiné à empêcher une connexion erronée d'un câble en masquant partiellemnt l'ouverture dans la borne pour l'introduction dudit câble, et des moyens de liaison agencés pour permettre la mise en place dudit écran, caractérisée en ce que l'écran est rapporté de manière amovible aux moyens de liaison prévus à la base de la cage (11).
- Borne selon la revendication 1, caractérisée en ce que lesdits moyens de liaison de la cage comprennent deux protubérances (14) coopérant par encliquetage avec deux crochets élastiques (15) dudit écran (16).
- Borne selon la revendication 1 ou 2, caractérisée en ce que ledit écran (16) est une plaque rigide réalisée d'une pièce.
- Borne selon la revendication 1, caractérisée en ce que ledit écran comporte au moins deux éléments (16a, 16b) coulissant l'un par rapport à l'autre.
- Borne selon la revendication 1, caractérisée en ce que ledit écran (16) est constitué par un élément souple escamotable.
- Borne selon la revendication 5, caractérisée en ce que la cage comporte des moyens de guidage (21, 22) dudit élément souple escamotable.
- Borne selon la revendication 4, caractérisée en ce que ledit écran est constitué d'une feuille souple.
- Borne selon la revendication 4, caractérisée en ce que ledit écran est constitué de plusieurs lamelles articulées les unes par rapport aux autres.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9407099A FR2720862B1 (fr) | 1994-06-06 | 1994-06-06 | Borne de raccordement pour un appareillage électrique. |
FR9407099 | 1994-06-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0687032A1 EP0687032A1 (fr) | 1995-12-13 |
EP0687032B1 true EP0687032B1 (fr) | 1998-08-26 |
Family
ID=9464069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95410053A Expired - Lifetime EP0687032B1 (fr) | 1994-06-06 | 1995-06-02 | Borne de raccordement pour un appareillage électrique |
Country Status (5)
Country | Link |
---|---|
US (1) | US5580285A (fr) |
EP (1) | EP0687032B1 (fr) |
DE (1) | DE69504246T2 (fr) |
ES (1) | ES2121319T3 (fr) |
FR (1) | FR2720862B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8157603B2 (en) | 2008-06-30 | 2012-04-17 | Schneider Electric Industries Sas | Electrical screw terminal, block comprising one such electrical terminal and electrical apparatus comprising one such terminal block |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29712179U1 (de) * | 1997-07-10 | 1997-09-18 | Siemens Ag | Schaltgerät mit Kontaktsystem |
AT410613B (de) * | 2001-03-20 | 2003-06-25 | Moeller Gebaeudeautomation Kg | Liftklemme |
DE102004002462B3 (de) * | 2004-01-16 | 2005-08-11 | Siemens Ag | Anschlussklemme |
AT500453B8 (de) * | 2004-01-27 | 2007-02-15 | Moeller Gebaeudeautomation Kg | Liftklemme |
FR2917243B1 (fr) * | 2007-06-11 | 2009-07-10 | Schneider Electric Ind Sas | Borne de raccordement electrique et appareil de protection electrique comportant une telle borne |
US8026786B2 (en) * | 2008-07-25 | 2011-09-27 | Cooper Technologies Company | Touch safe fuse module with improved wiring lugs |
FR2986664B1 (fr) * | 2012-02-03 | 2014-02-14 | Abb France | Borne de raccordement electrique |
FR3046702B1 (fr) * | 2016-01-08 | 2019-07-26 | Tyco Electronics Services Gmbh | Borne de connexion pour appareil electrique equipee d'une cage de serrage en materiau amagnetique |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE732062C (de) * | 1941-01-18 | 1943-02-20 | Oerlikon Maschf | Vorrichtung zum loesbaren Verbinden elektrischer Leiter |
CH456714A (de) * | 1967-11-13 | 1968-07-31 | Oskar Woertz H & O Woe | Elektrische Klemme |
DE2537469A1 (de) * | 1975-08-22 | 1977-03-03 | Wieland Elektrische Industrie | Elektrische leitungsklemme |
DE8312142U1 (de) * | 1983-04-25 | 1983-11-03 | Murrelektronik GmbH, 7155 Oppenweiler | Schraubanschlußklemme |
DE3780672D1 (de) * | 1986-04-04 | 1992-09-03 | Siemens Ag | Rahmenklemme zum anschluss elektrischer leiter. |
FR2612340B1 (fr) * | 1987-03-13 | 1993-02-12 | Merlin Gerin | Borne de raccordement multiple pour appareil electrique modulaire |
-
1994
- 1994-06-06 FR FR9407099A patent/FR2720862B1/fr not_active Expired - Fee Related
-
1995
- 1995-05-16 US US08/442,567 patent/US5580285A/en not_active Expired - Lifetime
- 1995-06-02 ES ES95410053T patent/ES2121319T3/es not_active Expired - Lifetime
- 1995-06-02 EP EP95410053A patent/EP0687032B1/fr not_active Expired - Lifetime
- 1995-06-02 DE DE69504246T patent/DE69504246T2/de not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8157603B2 (en) | 2008-06-30 | 2012-04-17 | Schneider Electric Industries Sas | Electrical screw terminal, block comprising one such electrical terminal and electrical apparatus comprising one such terminal block |
Also Published As
Publication number | Publication date |
---|---|
FR2720862A1 (fr) | 1995-12-08 |
US5580285A (en) | 1996-12-03 |
EP0687032A1 (fr) | 1995-12-13 |
ES2121319T3 (es) | 1998-11-16 |
FR2720862B1 (fr) | 1996-07-05 |
DE69504246T2 (de) | 1999-02-18 |
DE69504246D1 (de) | 1998-10-01 |
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