EP2366189B1 - Busbar bushing with an orientationally adjustable protective casing dedicated to the connector - Google Patents
Busbar bushing with an orientationally adjustable protective casing dedicated to the connector Download PDFInfo
- Publication number
- EP2366189B1 EP2366189B1 EP09802155.3A EP09802155A EP2366189B1 EP 2366189 B1 EP2366189 B1 EP 2366189B1 EP 09802155 A EP09802155 A EP 09802155A EP 2366189 B1 EP2366189 B1 EP 2366189B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- protective enclosure
- rotation
- axis
- conducting bar
- central
- 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.)
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Links
- 230000001681 protective effect Effects 0.000 title claims description 64
- 230000004224 protection Effects 0.000 claims description 40
- 230000009975 flexible effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000005921 Cynara humilis Nutrition 0.000 description 1
- 240000002228 Cynara humilis Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
- H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
Definitions
- the invention generally relates to busbars intended to be mounted through an orifice of a wall, in particular a wall of an electrical transformer.
- Such a pass-bar is known from the patent application FR 06 04 632 , which describes a protective envelope consisting of two half-shells, inside which are housed the exposed end of the conductive bar and the connector member.
- Such an envelope has a significant amount of space. This is particularly troublesome for transformers on which several pass-bars are installed side by side. It may be difficult to install the protective casing around the exposed end of the bar, since the protective casings of adjacent bars impede the operators. In addition, the protective envelope of FR 06 04 632 does not allow to freely orient the conductor cable from the bar-pass.
- FR 2901630 describes a bar-pass having a protective envelope in two half-shells.
- the invention aims to provide a bar-pass whose installation is easier.
- the invention relates to a pass-bar according to claim 1.
- the bar-pass 1 represented on the figure 1 is a crossing intended to allow the passage of a power line, particularly of high intensity, through the wall of the housing of an electrical transformer.
- the bar-pass has a conductive longitudinal bar 2 that can be engaged through an orifice O of the wall P ( figure 2 ), and an electrically insulating holding liner 4 capable of being interposed in the orifice O between the bar 2 and the wall P.
- the conductive bar 2 is rectilinear and has a section with two large opposite sides rectilinear and two small opposite sides rounded or oblong. It is made of non-ferrous material, typically copper.
- the bar 2 may be electrically connected to a low voltage output of the transformer by an inner end 6 disposed on an inner side of the wall P. It has, for this purpose, at least one hole 8 for an electrical connection.
- the bar 2 is also likely to be electrically connected to one or more electrical conductors (not shown) by an outer end 10 disposed on an outer side of the wall P.
- the lining 4 for holding the conductive bar comprises a body 26 and a cover 28 covering the body 26.
- the retaining lining is of the type described in FIG. FR 06 04 632 .
- the body 26 and the lid 28 are made essentially of thermoplastic material, for example polyamide or polybutidene terephthalate.
- the body 26 is traversed longitudinally from one side by a conduit 30 for receiving the conductive bar 2.
- the lid 28 has a bell-shaped shape and internally delimits a housing 32 for receiving the bulk of the body 26.
- the housing 32 is extended at the upper end of the lid 28 by a passageway 34 of the conductive bar 2.
- light has a section substantially equal to that of the bar 2.
- the body 26 and the cover 28 are adapted to be arranged, as shown in FIG. figure 1 , on the same side of the wall P.
- the body 26 has essentially the shape of a sleeve of internal section very slightly greater than the section of the conductive bar 2.
- the body 26 has externally, in its middle part, a flange 36 bearing on the outer surface of the wall P.
- This flange 36 longitudinally separates the body into a portion intended to be engaged in the orifice O and a portion intended to The part of the body 26 engaged in the orifice O has the shape of a collar 38 having external longitudinal stiffening ribs. These ribs are of gradually decreasing height from the flange 36 to the free end of the collar 38.
- the body 26 is defined by a tubular extension 42 of oblong section delimiting the duct 30.
- a not shown piercing is formed in the tubular extension 42. This piercing opens into the duct 30 It is adapted to receive the end of a pin, not shown, intended for the axial retention of the bar 2. The other end of the pin is received in a bore 44 of the bar 2, aligned with the bore of the extension 42.
- the lid 28 has a tubular wall 46 surrounding the tubular extension 42 of the body.
- This tubular wall 46 has, at its lower end in contact with the outer surface of the wall P, a mounting base 48.
- the base 48 is substantially rectangular in shape with rounded corners. In the corners are holes 50 ( figure 3 ) for receiving fastening bolts of the device 4 on the wall P.
- reinforcement ribs 52 triangular shape, connect the exposed surface of the base 48 to the tubular wall 46.
- the central casing 54 is a plastic sheath, for example polyamide, which covers the exposed end 10 of the conductive bar and the liner 4. It comprises a base 68 intended to receive the liner 4, and an upper annular portion 70 for receiving the exposed end 10 of the conductive bar.
- the base 68 is open towards the wall P. It has a form conjugate with that of the liner 4. Perpendicularly to the longitudinal direction, it has a section which widens from the upper part 70.
- the base 68 is for example intended to receive the part of the lining 4 located above the mounting base 48. In a variant, it can also receive the base 48.
- the annular portion 70 has two large circular faces 72 and 74 facing the large faces of the conductive bar. These large faces have at their centers respective circular openings 76.
- the annular portion 70 internally defines a housing of sufficient size to receive the entire exposed end 10 of the conductive bar.
- the secondary protection envelope 58 has a cylindrical portion 78 coaxial with the upper portion 70 of the central envelope, and an outlet tube 80 of the conductive electrical cable.
- the tube 80 is substantially radial with respect to the cylindrical portion 78.
- the portion 78 has at one axial end a circular lumen 82.
- the lumen 82 is formed in the face 84 of the cylindrical portion facing the central casing.
- the face 84 has a diameter substantially equal to that of the large face 72 of the central envelope. It is applied against this face 72, so that the lumen 82 is placed in coincidence with the opening 76.
- the lumen 82 and the opening 76 are of substantially equal diameters.
- the secondary envelope 58 comprises two half-shells 86 and 88 and removable attachment means 90 of the two half-shells to each other.
- the two half-shells 86 and 88 are concave pieces, concavity turned towards each other. They are substantially symmetrical to one another with respect to a mutual contact plane.
- This plane P is a median plane of the cylindrical portion 78, substantially perpendicular to the central axis of said cylindrical portion.
- This contact plane is also a median plane of the cylindrical tube 80, passing through the axis of the tube 80.
- the fastening means 90 typically comprise lugs 92 formed on one of the half-shells and receiving housings 94 formed on the other half-shell.
- the lugs 92 engage in a reversible manner in the housings 94.
- the half-shells may comprise pins 96 intended to be inserted into mortices 98 formed on the other half-shell, in order to stiffen the connection between the two half-shells.
- the connector 56 comprises a barrel 100 for receiving the conductive cable, and a bracket 102 for fixing. A stripped end of the conductive cable is engaged and rigidly fixed inside the barrel 100.
- the barrel 100 is engaged in the tube 80. It has an outer diameter less than or equal to the internal diameter of the tube 80.
- the tab 102 is integral with the barrel 100. It comprises at least one flat portion 104 disposed substantially parallel to the large faces of the conductive bar 2. Said flat portion is pierced with a hole 105 (FIG. figure 5 ) aligned with the light 82 and the opening 76.
- the tab 102 is engaged in the cylindrical portion 78 of the secondary envelope.
- the intermediate washer 60 is a shoulder washer interposed between the tab 102 and the exposed end 10 of the conductive bar. It is made for example of a cuprous material.
- the washer 60 is coaxial with the annular upper portion 70 of the central envelope. Its central cylindrical portion 106 is engaged through the lumen 82 and the opening 76.
- the collar 108 is provided at an axial end of the washer. It is situated inside the secondary envelope and bears axially against the peripheral edge delimiting the lumen 82.
- the washer 60 is in direct contact by an axial end with the conductive bar 2 and by the opposite axial end bearing the flange. 108 with the tab 102 of the connector. It comprises a central hole 109 for passing the bolt 62.
- the cover 64 has a cylindrical bottom 110 and a cover 112.
- the cylindrical bottom 110 is coaxial with the upper portion 70 of the central envelope.
- the bottom 110 has a circular face 114 facing the face 74 of the central envelope, and of the same diameter as the latter. It has in its center a light 116, of the same diameter as the opening 76 of the face 74, and placed in coincidence therewith.
- the bolt 62 comprises a screw 118 carrying the head 66, oriented along an axis X substantially perpendicular to the major faces 72 and 74 of the upper part of the central envelope.
- the bolt 62 also comprises a nut 120, a shoulder washer 122 and two brake washers 124 and 126.
- the exposed end 10 of the conductive bar has an orifice 128 provided for fixing the connector member.
- the bottom 110 of the cover, the shoulder washer 122, the central casing 54, the conductive bar 2, the secondary casing 58, the shoulder washer 60 and the connector 56 have respective orifices aligned with each other, and more precisely coaxial to each other. These orifices are respectively the light 116 of the hood, the openings 76 of the central envelope, the opening of fixing 128 of the conductive bar, the light 82 of the secondary casing, the central hole 109 of the shoulder washer 60, and the fixing hole 105 of the connector 56.
- the threaded barrel 130 of the screw is engaged through these different orifices, the head 66 of the screw being received inside the bottom 110, and the free end of the screw opposite the head projecting beyond the tab 102, inside the secondary envelope 58
- the nut 120 is screwed onto this free end, with the interposition of the lock washer 126 between the nut and the tab 102.
- the cylindrical central portion 132 of the shoulder washer 122 is engaged in the bottom lumen 116 and in the corresponding opening 76 of the central casing. It bears against a large face of the conductive bar 2.
- the flange 133 of the shoulder washer bears against the bottom area 114 delimiting the peripheral edge of the aperture 116.
- the shoulder washer 122 and the lock washer 124 are threaded onto the threaded shaft 130 of the screw.
- the lock washer 124 is interposed between the head 66 of the screw and the shoulder washer 122.
- the cover 112 closes the cylindrical bottom 110 on a side opposite to the central casing 54. It is for example forced into the cylindrical bottom 110.
- the cover 112 has radial teeth 138, provided to engage elastically in a internal groove 140 of the bottom, so as to block the lid relative to the bottom ( figure 5 ).
- the bar pass also includes a flexible sleeve 134 for closing the outlet tube 80.
- the sheath 134 is for example made of silicone.
- the sheath 134 comprises a widened section of diameter substantially corresponding to the diameter of the tube 80, threaded onto the free end of the tube 80. It also has a small diameter section threaded onto the connector area located immediately at the outlet of the tube 80. Thus, the sheath 134 is straddling the tube 80 and the conductor coming out of this tube. It thus creates a seal at the outlet of the tube.
- a collar 136 of any suitable type, makes it possible to rigidly fix the sheath 134 to the tube 80.
- the stripped end of the conductive cable is previously fixed in the barrel 100 of the connector, for example by crimping.
- the conductive bar 2 and the retaining liner 4 are mounted in the orifice O of the transformer wall and fixed to this wall.
- the central casing 54 is arranged to cap the liner and the exposed end 10 of the conductive bar.
- the end 10 is threaded into the opening of the base 68 and pressed inside the central casing until the fixing hole 128 is aligned with the openings 76 of the casing.
- the bottom 110 is placed against the large face 74 of the casing, the shoulder washer 122 and the braked washer 124 are threaded onto the screw 118, and the screw is introduced through the lumen 116, the two openings 76, and the orifice 128 of the conductive bar.
- the half-shell 88 is first mounted on the screw 118 until it bears against the large face 72 of the central casing.
- the follower washer 60, the connector 56, the braked washer 126 and the nut 120 are then successively engaged on the screw 118.
- the connector 56 is then oriented in the desired direction, by pivoting it about the axis X of the screw. 118. To do this, both the connector 56 is rotated relative to the conductive bar 2, and also the half-shell 88 relative to the central casing 54, always around the X axis.
- the nut 120 is then strongly screwed so as to block the connector 56, the half-shell 88, the central casing 54 and the conductive bar 2 relative to one another, in particular to block them in rotation relative to one another. .
- the head 66 of the screw axially urges the shoulder washer 122 towards the conductive bar, the collar 133 of this washer, which in turn urges the bottom 110 against the central casing 54.
- the nut 120 urges the connector 56 against the shoulder washer 60 axially toward the conductive bar, the flange 108 of the washer in turn soliciting the half-shell 88 against the large face 72 of the central envelope.
- the two stepped washers 60 and 122 are thus held in abutment against the conductive bar 2.
- the half-shell 86 of the secondary casing is then fixed to the half-shell 88 by snapping the lugs 92 into the corresponding orifices.
- the sleeve 134 previously threaded on the conductor cable, can then be arranged astride between the outlet tube and the conductive cable, and fixed to the tube 80 by the collar 136.
- the cover 112 is fixed to the bottom 110, by pressing force, and engagement of the teeth 138 in the groove 140 of the bottom.
- the bar pass has two connectors provided for electrically connecting the exposed end 10 of the busbar each to an electrically conductive cable.
- the bar pass also comprises two secondary protection casings 58 and two intermediate shoulder washers 60. It has no protective shell 64 or shoulder washer 122.
- the two connectors and the two secondary protection covers are arranged symmetrically with respect to the central envelope 54.
- One of the two secondary connector / envelope assemblies is located on a first side of the conductive bar along the axis of rotation.
- the other connector / secondary envelope assembly is located on a second side of the conductive bar along the axis of rotation, the second side being opposite the first.
- the nut 120 urges the connector 56 against the shoulder washer 60, the latter urging in turn the half-shell 88 against the large face 72 of the central envelope.
- the head 66 of the screw urges the connector 56 against the shoulder washer 60, the latter in turn soliciting the half-shell 88 against the large face 72 of the central envelope.
- the two connectors 56 and the two secondary envelopes 58 can be freely oriented around the screw, independently of each other.
- the connector member comprises at least one secondary protection envelope in which is housed the greater part of the connector member, the connector member being capable of occupying a plurality of angular positions around an axis of rotation relative to at the exposed end of the conductive bar, the secondary protective envelope being succeptible to occupy a plurality of angular positions about the same axis of rotation relative to the central protective envelope, it is possible at the time of assembly of freely and easily orient the connector with its protective cover around the axis of rotation. Furthermore, because the exposed end of the bar and the connector have separate protective covers, which are their own, the overall size of the bar pass is reduced. Indeed, the envelope of the exposed end of the conductive bar and the envelope of the connector may have shapes adapted to the wrapped part, following them closer, and therefore reduced volumes.
- the bar pass comprises a single locking member, for locking the connector, the secondary envelope, the central envelope and the bar relative to each other. This makes device mounting particularly easy.
- the angular position of the connector 56 about the X axis can be continuously adjusted, in the sense that the connector 56 can occupy any position in said range and not discrete positions separated by predetermined angles.
- the bar pass is adapted to comprise connectors whose barrel 100 has different diameters, provided that the outer diameter of the barrel is less than the lower diameter of the tube 80.
- the sheath 134 makes it possible to create a seal between the tube 80 and the conductive cable , whatever the diameter of the barrel 100.
- the bar pass described above can have multiple variants.
- It may have only one connector and one secondary envelope. Alternatively, as described above, it may comprise two connectors and two secondary envelopes, arranged axially on either side of the central envelope 54 and the conductive bar 2.
- the bar pass could also comprise two connectors arranged on the same axial sides of the central envelope, the secondary envelope then having two outlet tubes 80.
- the two connectors would then be threaded on the screw 118, and both taken between the nut 120 and the shoulder washer 60.
- it can be provided on each side of the central envelope 1, 2 or more than 2 connectors each serving an electrical conductor.
- the conductor bar does not necessarily have an oblong section. Its section can be of any type.
- the bar may for example have a circular section.
- the central envelope 54 has a different shape.
- the liner may have a variety of shapes, with the base 68 of the central envelope preferably having a conjugate shape of the portion of the liner capped by the central liner.
- the upper part of the central envelope may not be cylindrical.
- the secondary envelope and the protective cover may not have parts of cylindrical shapes. These parts can be of any shape, provided to allow rotation of the secondary envelope relative to the central envelope.
- the intermediate shoulder washer could be in one piece with the connector.
- the secondary casing is provided large enough to accommodate screws of different lengths.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Description
L'invention concerne en général les passe-barres destinés à être montés à travers un orifice d'une paroi, notamment une paroi d'un transformateur électrique.The invention generally relates to busbars intended to be mounted through an orifice of a wall, in particular a wall of an electrical transformer.
Plus précisément, l'invention concerne un passe-barre du type comportant :
- une barre conductrice longitudinale ;
- une garniture de maintien de la barre conductrice au travers d'une paroi, la garniture étant électriquement isolante ;
- une enveloppe centrale de protection d'une extrémité exposée de la barre conductrice faisant saillie d'un côté de la garniture ;
- au moins un organe connecteur prévu pour connecter électriquement l'extrémité exposée de la barre conductrice à un câble électriquement conducteur.
- a longitudinal conducting bar;
- a lining for holding the conductive bar through a wall, the lining being electrically insulating;
- a central protective envelope of an exposed end of the conductive bar protruding from one side of the liner;
- at least one connector member for electrically connecting the exposed end of the conductor bar to an electrically conductive cable.
Un tel passe-barre est connu de la demande de brevet
Une telle enveloppe présente un encombrement assez important. Ceci est particulièrement gênant pour les transformateurs sur lesquels plusieurs passe-barre sont installés côte à côte. Il peut être difficile d'installer l'enveloppe de protection autour de l'extrémité exposée de la barre, du fait que les enveloppes de protection des barres voisines gênent les opérateurs. Par ailleurs, l'enveloppe de protection de
Dans ce contexte, l'invention vis à proposer un passe-barre dont l'installation soit plus facile.In this context, the invention aims to provide a bar-pass whose installation is easier.
A cette fin, l'invention porte sur un passe-barre conforme à la revendication 1.To this end, the invention relates to a pass-bar according to claim 1.
Le passe-barre peut également présenter une ou plusieurs des caractéristiques ci-dessous, considérées individuellement ou selon toutes les combinaisons techniquement possibles :
- l'enveloppe de protection secondaire présente une lumière, le passe barre comportant une pièce intermédiaire électriquement conductrice interposée entre l'organe connecteur et la barre conductrice, la pièce intermédiaire étant engagée dans la lumière de l'enveloppe de protection secondaire ;
- la pièce intermédiaire comporte une partie en contact avec la barre conductrice, et une partie en contact avec l'enveloppe de protection secondaire et pressant ladite enveloppe de protection secondaire vers la barre conductrice ;
- le passe-barre comprend un organe de blocage s'étendant selon l'axe de rotation X et prévu à la fois pour bloquer l'organe connecteur par rapport à la barre conductrice en rotation autour de l'axe de rotation X, et pour bloquer l'enveloppe de protection secondaire par rapport à l'enveloppe de protection centrale en rotation autour de l'axe de rotation X ;
- la barre conductrice, l'organe connecteur, l'enveloppe de protection centrale et l'enveloppe de protection secondaire présentent des orifices respectifs alignés à travers lesquels l'organe de blocage est engagé ;
- l'organe connecteur et l'enveloppe de protection secondaire correspondante sont placés latéralement par rapport à la barre conductrice, d'un premier côté de la barre conductrice suivant l'axe de rotation X ;
- le passe-barre comprend un organe de blocage prévu à la fois pour bloquer l'organe connecteur par rapport à la barre conductrice en rotation autour de l'axe de rotation X, et pour bloquer l'enveloppe de protection secondaire par rapport à l'enveloppe de protection centrale en rotation autour de l'axe de rotation X, l'organe de blocage étant pourvu d'une tête disposée d'un second côté de la barre conductrice suivant l'axe de rotation X opposé au premier côté, le passe barre comprenant un capot de protection, distinct de l'enveloppe de protection centrale et de l'enveloppe de protection secondaire, à l'intérieur duquel est logée la tête de l'organe de blocage ;
- le passe-barre comprend un organe d'appui interposé entre la tête et le capot de protection et sollicitant le capot de protection vers le barre conductrice ;
- le passe-barre comprend un second organe connecteur prévu pour connecter électriquement l'extrémité exposée de la barre conductrice à un second câble électriquement conducteur, et une seconde enveloppe de protection secondaire, distincte de l'enveloppe de protection centrale et de la première enveloppe de protection secondaire, dans laquelle est logée la plus grande partie du second organe connecteur, le second organe connecteur étant susceptible d'occuper une pluralité de positions angulaires autour dudit axe de rotation X par rapport à l'extrémité exposée de la barre conductrice, la seconde enveloppe de protection secondaire étant susceptible d'occuper une pluralité de positions angulaires autour du même axe de rotation X par rapport à l'enveloppe de protection principale, le second organe connecteur et la seconde enveloppe de protection secondaire correspondante étant placés latéralement par rapport à la barre conductrice, d'un second côté de la barre conductrice suivant l'axe de rotation X opposé au premier ;
- la ou chaque enveloppe de protection secondaire comprend deux demi-coques et des moyens pour fixer de manière amovible les deux demi-coques l'une à l'autre ;
- la ou chaque enveloppe de protection secondaire comprend un tube de sortie du câble électriquement conducteur, le passe-barre comprenant une gaine souple susceptible d'être enfilée à cheval sur le tube de sortie et sur la portion du câble électriquement conducteur sortant du tube de sortie ;
- ledit axe fixe est fixe par rapport à l'enveloppe centrale de protection.
- the secondary protection envelope has a light, the bar pass comprising an electrically conductive intermediate piece interposed between the connector member and the conductive bar, the intermediate part being engaged in the light of the secondary protective envelope;
- the intermediate part comprises a part in contact with the conductive bar, and a part in contact with the secondary protective envelope and pressing said secondary protective envelope towards the conductive bar;
- the bar-pass comprises a locking member extending along the axis of rotation X and provided both for locking the connector member relative to the conductive bar in rotation about the axis of rotation X, and for blocking the secondary protection envelope relative to the central protective envelope rotated about the axis of rotation X;
- the conductive bar, the connector member, the central protective envelope and the secondary protective envelope have respective orifices aligned through which the locking member is engaged;
- the connector member and the corresponding secondary protective envelope are placed laterally with respect to the conductive bar, a first side of the conductive bar along the axis of rotation X;
- the busbar comprises a locking member provided both for locking the connector member relative to the conductive bar in rotation about the axis of rotation X, and for locking the secondary protective envelope relative to the central protective envelope rotated about the axis of rotation X, the locking member being provided with a head disposed on a second side of the conductive bar along the axis of rotation X opposite the first side, the pass bar comprising a protective cover, separate from the central protective envelope and the secondary protective envelope, inside which is housed the head of the locking member;
- the busbar comprises a support member interposed between the head and the protective cover and urging the protective cover towards the busbar;
- the busbar includes a second connector member for electrically connecting the exposed end of the busbar to a second electrically conductive cable, and a second secondary shield, separate from the central shield and the first bushing. secondary protection, in which is housed the greater part of the second connector member, the second connector member being capable of occupying a plurality of angular positions about said axis of rotation X relative to the exposed end of the conductive bar, the second secondary protection envelope being able to occupy a plurality of angular positions around the same axis of rotation X relative to the main protective envelope, the second connector member and the second secondary protective envelope being placed laterally relative to the busbar, on the second side of the busbar ctrice along the axis of rotation X opposite the first;
- the or each secondary protective envelope comprises two half-shells and means for releasably securing the two half-shells to each other;
- the or each secondary protective envelope comprises an outlet tube of the electrically conductive cable, the busbar comprising a flexible sheath capable of being strung astride the outlet tube and the portion of the electrically conductive cable leaving the outlet tube ;
- said fixed axis is fixed relative to the central protective envelope.
D'autres caractéristiques et avantages de l'invention ressortiront de la description détaillée qui en est donnée ci-dessous, à titre indicatif et nullement limitatif, en référence aux figures annexées, parmi lesquelles :
- la
figure 1 est une vue en perspective du dispositif de l'invention, à l'état éclaté ; - la
figure 2 est une vue en coupe de la barre conductrice et de la garniture de maintien ; - la
figure 3 est une vue en perspective du dispositif de lafigure 1 , à l'état assemblé, considéré d'un côté de la barre conductrice ; - la
figure 4 est une vue en perspective éclatée du dispositif de lafigure 3 , considéré d'un côté opposé de la barre conductrice, une partie de l'enveloppe de protection de l'organe connecteur n'étant pas représentée pour laisser apparaître différents éléments du passe-barre ; et - la
figure 5 est une vue en perspective éclatée similaire à celle de lafigure 1 , considérée suivant une autre direction.
- the
figure 1 is a perspective view of the device of the invention, in the exploded state; - the
figure 2 is a sectional view of the conductive bar and the retaining liner; - the
figure 3 is a perspective view of the device of thefigure 1 , in the assembled state, considered on one side of the conductive bar; - the
figure 4 is an exploded perspective view of the device of thefigure 3 , considered on an opposite side of the busbar, a portion of the protective envelope of the connector member not being shown to reveal different elements of the busbar; and - the
figure 5 is an exploded perspective view similar to that of thefigure 1 , considered in another direction.
Le passe-barre 1 représenté sur la
Le passe-barre comporte une barre longitudinale conductrice 2 susceptible d'être engagée à travers un orifice O de la paroi P (
La barre conductrice 2 est rectiligne et présente une section avec deux grands côtés opposés rectilignes et deux petits côtés opposés arrondis ou oblongs. Elle est réalisée en matériau non ferreux, typiquement en cuivre. La barre 2 est susceptible d'être électriquement connectée à une sortie basse tension du transformateur par une extrémité intérieure 6 disposée d'un côté intérieur de la paroi P. Elle présente, dans ce but, au moins un perçage 8 pour une connexion électrique.The
La barre 2 est également susceptible d'être électriquement connectée à un ou plusieurs conducteurs électriques (non représentés) par une extrémité extérieure 10 disposée d'un côté extérieur de la paroi P.The
Comme le montre la
Le corps 26 est traversé longitudinalement de part en part par un conduit 30 de réception de la barre conductrice 2.The
Le couvercle 28 présente une forme de cloche et délimite intérieurement un logement 32 de réception de l'essentiel du corps 26. Le logement 32 se prolonge à l'extrémité supérieure du couvercle 28 par une lumière 34 de passage de la barre conductrice 2. Cette lumière a une section sensiblement égale à celle de la barre 2.The
Le corps 26 et le couvercle 28 sont adaptés pour être disposés, comme représenté sur la
A cet effet, le corps 26 présente essentiellement la forme d'un manchon de section interne très légèrement supérieur à la section de la barre conductrice 2.For this purpose, the
Le corps 26 comporte extérieurement, dans sa partie médiane, une collerette 36 d'appui sur la surface externe de la paroi P. Cette collerette 36 sépare longitudinalement le corps en une partie destinée à être engagée dans l'orifice O et une partie destinée à être reçue dans le couvercle 28. La partie du corps 26 engagée dans l'orifice O présente la forme d'un collet 38 présentant extérieurement des nervures longitudinales de rigidification. Ces nervures sont de hauteur progressivement décroissante depuis la collerette 36 jusqu'à l'extrémité libre du collet 38.The
De l'autre côté de la collerette 36, le corps 26 est défini par un prolongement tubulaire 42 de section oblongue délimitant le conduit 30. Un perçage non représenté est ménagé dans le prolongement tubulaire 42. Ce perçage débouche à l'intérieur du conduit 30. Il est adapté pour recevoir l'extrémité d'une goupille, non représentée, destinée à la retenue axiale de la barre 2. L'autre extrémité de la goupille est reçue dans un perçage 44 de la barre 2, aligné avec le perçage du prolongement 42.On the other side of the
Le couvercle 28 comporte une paroi tubulaire 46 entourant le prolongement tubulaire 42 du corps. Cette paroi tubulaire 46 comporte, à son extrémité inférieure en contact avec la surface externe de la paroi P, une embase de fixation 48. L'embase 48 est de forme sensiblement rectangulaire avec des coins arrondis. Dans les coins sont ménagés des perçages 50 (
Le passe-barre 1 comporte par ailleurs :
- une enveloppe centrale 54 de protection de l'extrémité exposée 10 de la barre conductrice ;
un connecteur 56 prévu pour connecter électriquement l'extrémité exposée 10 de la barre conductrice à un câble électriquement conducteur (non représenté) ;- une enveloppe de
protection secondaire 58 dans laquelle est logé le connecteur 56 ; - une rondelle intermédiaire 60, électriquement conductrice, interposée entre le connecteur 56 et la
barre conductrice 2 ; un boulon 62 de fixation de l'extrémité exposée 10 de la barre conductrice, de l'enveloppe principale 54, de l'enveloppesecondaire 58, du connecteur 56 et de la rondelle intermédiaire 60 les uns aux autres ;une coque 64 de protection de la tête 66 du boulon.
- a
central envelope 54 for protecting the exposedend 10 of the conductive bar; - a
connector 56 provided for electrically connecting the exposed end of the conductive bar to an electrically conductive cable (not shown); - a
secondary protection envelope 58 in which theconnector 56 is housed; - an
intermediate washer 60, electrically conductive, interposed between theconnector 56 and theconductive bar 2; - a
bolt 62 for fixing the exposedend 10 of the conductive bar, themain envelope 54, thesecondary envelope 58, theconnector 56 and theintermediate washer 60 to each other; - a
shell 64 for protecting thehead 66 of the bolt.
L'enveloppe centrale 54 est une gaine en matière plastique, par exemple en polyamide, qui coiffe l'extrémité exposée 10 de la barre conductrice et la garniture 4. Elle comporte une base 68 destinée à recevoir la garniture 4, et une partie annulaire supérieure 70 destinée à recevoir l'extrémité exposée 10 de la barre conductrice.The
La base 68 est ouverte vers la paroi P. Elle présente une forme conjuguée de celle de la garniture 4. Perpendiculairement à la direction longitudinale, elle présente une section qui va en s'élargissant à partir de la partie supérieure 70.The
La base 68 est par exemple destinée à recevoir la partie de la garniture 4 se trouvant au-dessus de l'embase de fixation 48. En variante, elle peut recevoir également l'embase 48.The
La partie annulaire 70 présente deux grandes faces circulaires 72 et 74 en regard des grandes faces de la barre conductrice. Ces grandes faces présentent en leurs centres des ouvertures circulaires respectives 76. La partie annulaire 70 délimite intérieurement un logement de taille suffisante pour recevoir toute l'extrémité exposée 10 de la barre conductrice.The
L'enveloppe de protection secondaire 58 comporte une partie cylindrique 78 coaxiale à la partie supérieure 70 de l'enveloppe centrale, et un tube 80 de sortie du câble électrique conducteur. Le tube 80 est sensiblement radial par rapport à la partie cylindrique 78. La partie 78 présente à une extrémité axiale une lumière circulaire 82. La lumière 82 est ménagée dans la face 84 de la partie cylindrique tournée vers l'enveloppe centrale. La face 84 présente un diamètre sensiblement égal à celle de la grande face 72 de l'enveloppe centrale. Elle est appliquée contre cette face 72, de telle sorte que la lumière 82 soit placée en coïncidence avec l'ouverture 76. La lumière 82 et l'ouverture 76 sont de diamètres sensiblement égaux.The
L'enveloppe secondaire 58 comporte deux demi-coques 86 et 88 et des moyens de fixation amovibles 90 des deux demi-coques l'une à l'autre. Les deux demi-coques 86 et 88 sont des pièces concaves, de concavité tournées l'une vers l'autre. Elles sont sensiblement symétriques l'une de l'autre par rapport à un plan de contact mutuel. Ce plan P est un plan médian de la partie cylindrique 78, sensiblement perpendiculaire à l'axe central de ladite partie cylindrique. Ce plan de contact est également un plan médian du tube cylindrique 80, passant par l'axe du tube 80.The
Les moyens de fixation 90 comportent typiquement des ergots 92 ménagés sur l'une des demi-coques et des logements de réception 94 ménagés sur l'autre demi coque. Les ergots 92 viennent s'encliqueter de manière réversible dans les logements 94. Par ailleurs, les demi-coques peuvent comporter des tenons 96 destinés à venir s'insérer dans des mortaises 98 ménagées sur l'autre demi coque, en vue de rigidifier la liaison entre les deux demi-coques.The fastening means 90 typically comprise lugs 92 formed on one of the half-shells and receiving
Le connecteur 56 comporte un canon 100 de réception du câble conducteur, et une patte 102 de fixation. Une extrémité dénudée du câble conducteur est engagée et rigidement fixée à l'intérieur du canon 100. Le canon 100 est engagé dans le tube 80. Il présente un diamètre externe inférieur ou égal au diamètre interne du tube 80.The
La patte 102 est venue de matière avec le canon 100. Elle comporte au moins une partie plane 104 disposée sensiblement parallèlement aux grandes faces de la barre conductrice 2. Ladite partie plane est percée d'un orifice 105 (
La patte 102 est engagée dans la partie cylindrique 78 de l'enveloppe secondaire.The
La rondelle intermédiaire 60 est une rondelle épaulée interposée entre la patte 102 et l'extrémité exposée 10 de la barre conductrice. Elle est réalisée par exemple en un matériau cuivreux.The
Elle comporte une partie centrale cylindrique 106 et une collerette périphérique 108 faisant saillir radialement vers l'extérieur par rapport à la partie centrale cylindrique 106.It comprises a central
La rondelle 60 est coaxiale à la partie supérieure annulaire 70 de l'enveloppe centrale. Sa partie centrale cylindrique 106 est engagée à travers la lumière 82 et l'ouverture 76. La collerette 108 est ménagée à une extrémité axiale de la rondelle. Elle est située à l'intérieure de l'enveloppe secondaire et porte axialement contre le bord périphérique délimitant la lumière 82. La rondelle 60 est en contact direct par une extrémité axiale avec la barre conductrice 2 et par l'extrémité axiale opposée portant la collerette 108 avec la patte 102 du connecteur. Elle comporte un trou central 109 de passage du boulon 62.The
Le capot 64 comporte un fond cylindrique 110 et un couvercle 112. Le fond cylindrique 110 est coaxial à la partie supérieure 70 de l'enveloppe centrale. Le fond 110 présente une face circulaire 114 tourné vers la face 74 de l'enveloppe centrale, et de même diamètre que celle-ci. Elle présente en son centre une lumière 116, de même diamètre que l'ouverture 76 de la face 74, et placée en coïncidence avec celle-ci.The
Le boulon 62 comporte une vis 118 portant la tête 66, orientée suivant un axe X sensiblement perpendiculaire aux grandes faces 72 et 74 de la partie supérieure de l'enveloppe centrale. Le boulon 62 comporte également un écrou 120, une rondelle épaulée 122 et deux rondelles freins 124 et 126.The
L'extrémité exposée 10 de la barre conductrice comporte un orifice 128 prévu pour la fixation de l'organe connecteur.The exposed
Le fond 110 du capot, la rondelle épaulée 122, l'enveloppe centrale 54, la barre conductrice 2, l'enveloppe secondaire 58, la rondelle épaulée 60 et le connecteur 56 présentent des orifices respectifs alignés les uns avec les autres, et plus précisément coaxiaux les uns aux autres. Ces orifices sont respectivement la lumière 116 du capot, les ouvertures 76 de l'enveloppe centrale, l'orifice de fixation 128 de la barre conductrice, la lumière 82 de l'enveloppe secondaire, le trou central 109 de la rondelle épaulée 60, et l'orifice de fixation 105 du connecteur 56. Le fût fileté 130 de la vis est engagé à travers ces différents orifices, la tête 66 de la vis étant reçue à l'intérieur du fond 110, et l'extrémité libre de la vis opposée à la tête faisant saillie au-delà de la patte 102, à l'intérieur de l'enveloppe secondaire 58. L'écrou 120 est vissé sur cette extrémité libre, avec interposition de la rondelle frein 126 entre l'écrou et la patte 102.The
La partie centrale cylindrique 132 de la rondelle épaulée 122 est engagée dans la lumière 116 du fond et dans l'ouverture 76 correspondante de l'enveloppe centrale. Elle est en appui contre une grande face de la barre conductrice 2. La collerette 133 de la rondelle épaulée est en appui quant à elle contre la zone du fond 114 délimitant le bord périphérique de la lumière 116. La rondelle épaulée 122 et la rondelle frein 124 sont enfilées sur le fût fileté 130 de la vis. La rondelle frein 124 est interposée entre la tête 66 de la vis et la rondelle épaulée 122.The cylindrical
Le couvercle 112 ferme le fond cylindrique 110 d'un côté opposé à l'enveloppe centrale 54. Il est par exemple enfoncé à force dans le fond cylindrique 110. Le couvercle 112 comporte des dents radiales 138, prévues pour s'engager élastiquement dans une gorge interne 140 du fond, de manière à bloquer le couvercle par rapport au fond (
Le passe barre comporte également une gaine souple 134 de fermeture du tube de sortie 80. La gaine 134 est par exemple réalisée en silicone.The bar pass also includes a
Le câble conducteur sort de l'enveloppe 58 par l'extrémité du tube 80 opposée à la partie cylindrique 78. La gaine 134 comporte un tronçon élargi de diamètre correspondant sensiblement au diamètre du tube 80, enfilé sur l'extrémité libre du tube 80. Elle comporte également un tronçon de diamètre réduit enfilé sur la zone du connecteur située immédiatement à la sortie du tube 80. Ainsi, la gaine 134 est enfilée à cheval sur le tube 80 et sur le conducteur sortant de ce tube. Elle crée ainsi une étanchéité à la sortie du tube. Un collier 136, de tout type adapté, permet de fixer rigidement la gaine 134 au tube 80.The conductive cable exits the
La méthode de montage du passe-barre décrit ci-dessus va maintenant être détaillée.The bar-pass mounting method described above will now be detailed.
L'extrémité dénudée du câble conducteur est préalablement fixée dans le canon 100 du connecteur, par exemple par sertissage.The stripped end of the conductive cable is previously fixed in the
La barre conductrice 2 et la garniture de maintient 4 sont montés dans l'orifice O de la paroi du transformateur et fixés à cette paroi.The
Puis, l'enveloppe centrale 54 est disposée de manière à coiffer la garniture et l'extrémité exposée 10 de la barre conductrice. Pour cela, l'extrémité 10 est enfilée dans l'ouverture de la base 68 et enfoncée à l'intérieur de l'enveloppe centrale jusqu'à ce que l'orifice de fixation 128 soit aligné avec les ouvertures 76 de l'enveloppe. Puis, on place le fond 110 contre la grande face 74 de l'enveloppe, on enfile la rondelle épaulée 122 et la rondelle freinée 124 sur la vis 118, et on introduit la vis à travers la lumière 116, les deux ouvertures 76, et l'orifice 128 de la barre conductrice.Then, the
Du côté axial opposé de l'enveloppe 54, on monte d'abord la demi-coque 88 sur la vis 118, jusqu'à ce qu'elle porte contre la grande face 72 de l'enveloppe centrale. On engage ensuite successivement sur la vis 118 la rondelle épaulée 60 le connecteur 56, la rondelle freinée 126 et l'écrou 120. On oriente ensuite le connecteur 56 selon la direction souhaitée, en le faisant pivoter autour de l'axe X de la vis 118. Pour ce faire, on fait à la fois pivoter le connecteur 56 par rapport à la barre conductrice 2, et également la demi-coque 88 par rapport à l'enveloppe centrale 54, toujours autour de l'axe X.On the opposite axial side of the
On visse ensuite fortement l'écrou 120 de manière à bloquer le connecteur 56, la demi-coque 88 l'enveloppe centrale 54 et la barre conductrice 2 les uns par rapport aux autres, notamment pour les bloquer en rotation les uns par rapport aux autres.The
La tête 66 de la vis sollicite axialement la rondelle épaulée 122 vers la barre conductrice, la collerette 133 de cette rondelle sollicitant à son tour le fond 110 contre l'enveloppe centrale 54.The
L'écrou 120 sollicite le connecteur 56 contre la rondelle épaulée 60 axialement vers la barre conductrice, la collerette 108 de la rondelle sollicitant à son tour la demi-coque 88 contre la grande face 72 de l'enveloppe centrale. Les deux rondelles épaulées 60 et 122 sont ainsi maintenues en appui contre la barre conductrice 2.The
On fixe alors la demi-coque 86 de l'enveloppe secondaire à la demi-coque 88 par encliquetage des ergots 92 dans les orifices correspondant. La gaine 134, préalablement enfilée sur le câble conducteur, peut alors être disposée à cheval entre le tube de sortie et le câble conducteur, et fixée au tube 80 par le collier 136.The half-
Enfin, le couvercle 112 est fixé au fond 110, par enfoncement à force, et enclenchement des dents 138 dans la gorge 140 du fond.Finally, the
Dans une variante de réalisation non représentée, le passe barre comporte deux connecteurs prévus pour connecter électriquement l'extrémité exposée 10 de la barre conductrice chacun à un câble électriquement conducteur.In an alternative embodiment not shown, the bar pass has two connectors provided for electrically connecting the exposed
Dans ce cas, le passe barre comporte également deux enveloppes de protection secondaire 58 et deux rondelles épaulées intermédiaires 60. Il ne comporte pas de coque de protection 64 ni de rondelle épaulée 122.In this case, the bar pass also comprises two
Les deux connecteurs et les deux enveloppes de protections secondaires sont disposés de manière symétrique par rapport à l'enveloppe centrale 54. L'un des deux ensembles connecteur/enveloppe secondaire est situé d'un premier côté de la barre conductrice suivant l'axe de rotation. L'autre ensemble connecteur/enveloppe secondaire est situé d'un second côté de la barre conductrice suivant l'axe de rotation, le second côté étant opposé au premier.The two connectors and the two secondary protection covers are arranged symmetrically with respect to the
Pour l'un des deux ensembles, l'écrou 120 sollicite le connecteur 56 contre la rondelle épaulée 60, celle-ci sollicitant à son tour la demi-coque 88 contre la grande face 72 de l'enveloppe centrale. Pour l'autre des deux ensembles, la tête 66 de la vis sollicite le connecteur 56 contre la rondelle épaulée 60, celle-ci sollicitant à son tour la demi-coque 88 contre la grande face 72 de l'enveloppe centrale. Lors du montage, les deux connecteurs 56 et les deux enveloppes secondaires 58 peuvent être librement orientés autour de la vis, indépendamment des uns des autres.For one of the two assemblies, the
La passe barre décrit ci-dessus présente de multiples avantages.The bar pass described above has many advantages.
Du fait qu'il comprend au moins une enveloppe de protection secondaire dans laquelle est logée la plus grande partie de l'organe connecteur, l'organe connecteur étant susceptible d'occuper une pluralité de positions angulaires autour d'un axe de rotation par rapport à l'extrémité exposée de la barre conductrice, l'enveloppe de protection secondaire étant succeptible d'occuper une pluralité de positions angulaires autour du même axe de rotation par rapport à l'enveloppe centrale de protection, il est possible au moment du montage d'orienter librement et facilement le connecteur avec son enveloppe de protection autour de l'axe de rotation. Par ailleurs, du fait que l'extrémité exposée de la barre et le connecteur ont des enveloppes de protections distinctes, qui leurs sont propres, l'encombrement globale du passe barre est réduit. En effet, l'enveloppe de l'extrémité exposée de la barre conductrice et l'enveloppe du connecteur peuvent avoir des formes adaptées à la pièce enveloppée, suivant celles-ci au plus près, et donc de volumes réduits.Because it comprises at least one secondary protection envelope in which is housed the greater part of the connector member, the connector member being capable of occupying a plurality of angular positions around an axis of rotation relative to at the exposed end of the conductive bar, the secondary protective envelope being succeptible to occupy a plurality of angular positions about the same axis of rotation relative to the central protective envelope, it is possible at the time of assembly of freely and easily orient the connector with its protective cover around the axis of rotation. Furthermore, because the exposed end of the bar and the connector have separate protective covers, which are their own, the overall size of the bar pass is reduced. Indeed, the envelope of the exposed end of the conductive bar and the envelope of the connector may have shapes adapted to the wrapped part, following them closer, and therefore reduced volumes.
Le passe barre comporte un unique organe de blocage, permettant de bloquer le connecteur, l'enveloppe secondaire, l'enveloppe centrale et la barre les uns par rapport aux autres. Ceci rend le montage de dispositif particulièrement facile.The bar pass comprises a single locking member, for locking the connector, the secondary envelope, the central envelope and the bar relative to each other. This makes device mounting particularly easy.
Le fait de réaliser l'enveloppe de protection du connecteur en deux demi-coques fixées l'une à l'autre par des moyens de fixation amovibles permet d'accéder facilement à l'organe de blocage. Le fait que les deux demi-coques soient fixées l'une à l'autre par des ergots s'engageant dans des logements permet de fermer ou ouvrir l'enveloppe avec un espacement entre les barres conductrices réduit.The fact of making the protective envelope of the connector in two half-shells fixed to each other by removable fastening means provides easy access to the locking member. The fact that the two half-shells are fixed to each other by lugs engaging in housings allows to close or open the envelope with a spacing between the reduced conductive bars.
Avant serrage de l'écrou 120, il est possible d'orienter très facilement le connecteur 56 et la demi-coque 88 en rotation autour de l'axe X, sur une vaste plage angulaire. La position angulaire du connecteur 56 autour de l'axe X peut être réglée en continu, au sens où le connecteur 56 peut occuper n'importe quelle position dans ladite plage et non des positions discrètes séparées par des angles prédéterminés.Before tightening the
Le passe barre est adapté pour comporter des connecteurs dont le canon 100 présente différents diamètres, sous réserve que le diamètre extérieur du canon soit inférieur au diamètre inférieur du tube 80. La gaine 134 permet de créer une étanchéité entre le tube 80 et le câble conducteur, quel que soit le diamètre du canon 100.The bar pass is adapted to comprise connectors whose
Le passe barre décrit ci-dessus peut présenter de multiples variantes.The bar pass described above can have multiple variants.
Il peut ne comporter qu'un seul connecteur et une seule enveloppe secondaire. Alternativement, comme décrit ci-dessus, il peut comporter deux connecteurs et deux enveloppes secondaires, disposées axialement de part et d'autre de l'enveloppe centrale 54 et de la barre conductrice 2.It may have only one connector and one secondary envelope. Alternatively, as described above, it may comprise two connectors and two secondary envelopes, arranged axially on either side of the
Le passe barre pourrait également comporter deux connecteurs disposés d'un même côtés axial de l'enveloppe centrale, l'enveloppe secondaire comportant alors deux tubes de sorties 80. Les deux connecteurs seraient alors enfilés sur la vis 118, et pris tous les deux entre l'écrou 120 et la rondelle épaulée 60. Ainsi, on peut prévoir de chaque côté de l'enveloppe centrale 1, 2 ou plus de 2 connecteurs desservant chacun un conducteur électrique.The bar pass could also comprise two connectors arranged on the same axial sides of the central envelope, the secondary envelope then having two
La barre conductrice n'a pas nécessairement une section oblongue. Sa section peut être de tout type. La barre peut par exemple présenter une section circulaire. Dans ce cas, l'enveloppe centrale 54 présente une forme différente.The conductor bar does not necessarily have an oblong section. Its section can be of any type. The bar may for example have a circular section. In this case, the
La garniture peut présenter toutes sortes de formes, la base 68 de l'enveloppe centrale présentant de préférence une forme conjuguée de la partie de la garniture coiffée par l'enveloppe centrale.The liner may have a variety of shapes, with the
La partie supérieure de l'enveloppe centrale pourrait ne pas être cylindrique. De même, l'enveloppe secondaire et le capot de protection pourraient ne pas présenter des parties de formes cylindriques. Ces parties peuvent être de toutes formes, sous réserve de permettre une rotation de l'enveloppe secondaire par rapport à l'enveloppe centrale.The upper part of the central envelope may not be cylindrical. Similarly, the secondary envelope and the protective cover may not have parts of cylindrical shapes. These parts can be of any shape, provided to allow rotation of the secondary envelope relative to the central envelope.
La rondelle épaulée intermédiaire pourrait être d'une pièce avec le connecteur.The intermediate shoulder washer could be in one piece with the connector.
L'enveloppe secondaire est prévue suffisamment grande pour recevoir des vis de différentes longueurs.The secondary casing is provided large enough to accommodate screws of different lengths.
Claims (12)
- Busbar bushing (1) comprising:- a longitudinal conducting bar (2);- a fitting (4) to retain the conducting bar (2) through a wall (P), the fitting (4) being electrically insulated;- a central enclosure (54) for protection of an exposed end (10) of the conducting bar (2) projecting from one side of the fitting (4);- at least one connecting element (56) provided to connect electrically the exposed end (10) of the conducting bar (2) to an electrically conducting cable;- the busbar bushing (1) comprising at least one secondary protective enclosure (58) in which the greater part of the connecting element (56) is housed, the connecting element (56) being capable of occupying a plurality of angular positions around an axis of rotation (X) with respect to the exposed end (10) of the conducting bar (2), the secondary protective enclosure (58) being capable of occupying a plurality of angular positions around the same axis of rotation (X) with respect to the central protective enclosure (54), characterised in that the secondary protective enclosure (58) is capable of being moved in rotation with respect to the central protective enclosure (54) around a fixed axis combined with said axis of rotation (X) of the connecting element (56).
- Busbar bushing according to claim 1, characterised in that the secondary protective enclosure (58) has an oblong hole (82), the busbar bushing comprising an electrically conducting intermediate part (60) inserted between the connecting element (56) and the conducting bar (2), the intermediate part (60) being engaged in the oblong hole (82) of the secondary protective enclosure (58).
- Busbar bushing according to claim 2, characterised in that the intermediate part (60) comprises a part (106) in contact with the conducting bar (2), and a part (108) in contact with the secondary protective enclosure (58) and pressing said secondary protective enclosure (58) towards the conducting bar (2).
- Busbar bushing according to any one of the preceding claims, characterised in that it comprises a locking element (118) extending along the axis of rotation (X) and provided both to lock the connecting element (56) with respect to the conducting bar (2) in rotation around the axis of rotation (X), as well as to lock the secondary protective enclosure (58) with respect to the central protective enclosure (54) in rotation around the axis of rotation (X).
- Busbar bushing according to claim 4, characterised in that the conducting bar (2), the connecting element (56), the central protective enclosure (54) and the secondary protective enclosure (58) have respective aligned orifices (128, 76, 82) through which the locking element (118) is engaged.
- Busbar bushing according to any one of the preceding claims, characterised in that the connecting element (56) and the corresponding secondary protective enclosure (58) are placed laterally with respect to the conducting bar (2), on a first side of the conducting bar (2) according to the axis of rotation (X).
- Busbar bushing according to claim 6, characterised in that it comprises a locking element (118) provided both to lock the connecting element (56) with respect to the conducting bar (2) in rotation around the axis of rotation (X), as well as to lock the secondary protective enclosure (58) with respect to the central protective enclosure (54) in rotation around the axis of rotation (X), the locking element (118) being provided with a head (66) located on a second side of the conducting bar (2) along the axis of rotation (X) opposite to the first side, the busbar bushing (1) comprising a protective hood (64), distinct from the central protective enclosure (54) and from a secondary protective enclosure (58), inside which the head (66) of the locking element (118) is housed.
- Busbar bushing according to claim 7, characterised in that it comprises a support element (122) inserted between the head (66) and the protective hood (64) and exerting force on the protective hood (64) towards the conducting bar (2).
- Busbar bushing according to claim 6, characterised in that it comprises a second connecting element provided to electrically connect the exposed end (10) of the conducting bar (2) to a second electrically conducting cable, and a second secondary protective enclosure, different from the central protective enclosure (54) and from the first secondary protective enclosure (58), in which the greater part of the second connecting element is housed, the second connecting element being capable of occupying a plurality of angular positions around said axis of rotation (X) with respect to the exposed end (10) of the conducting bar (2), the second secondary protective enclosure being capable of occupying a plurality of angular positions around the same axis of rotation (X) with respect to the principal protective enclosure (54), the second connecting element and the corresponding second secondary protective enclosure being placed laterally with respect to the conducting bar (2), on a second side of the conducting bar (2) along the axis of rotation (X) opposite to the first one.
- Busbar bushing according to any one of the preceding claims, characterised in that the or each secondary protective enclosure (58) comprises two half-shells (86, 88) and means (90) for removably attaching the two half-shells (86, 88) to each other.
- Busbar bushing according to any one of the preceding claims, characterised in that the or each secondary protective enclosure (58) comprises an outlet tube (80) for the electrically conducting cable, the busbar bushing (1) comprising a flexible sheath (134) capable of being threaded onto the outlet tube (80) and onto the portion of the electrically conducting cable exiting from the outlet tube (80).
- Busbar bushing according to any one of the preceding claims, characterised in that said fixed axis is fixed with respect to the central protective enclosure (54).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0858542A FR2939956B1 (en) | 2008-12-12 | 2008-12-12 | PUSH BAR WITH AN ADJUSTABLE PROTECTION COVER IN DIRECTION DEDICATED TO THE CONNECTOR |
PCT/FR2009/052355 WO2010066984A1 (en) | 2008-12-12 | 2009-12-01 | Busbar bushing with an orientationally adjustable protective casing dedicated to the connector |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2366189A1 EP2366189A1 (en) | 2011-09-21 |
EP2366189B1 true EP2366189B1 (en) | 2018-02-14 |
Family
ID=40823390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09802155.3A Active EP2366189B1 (en) | 2008-12-12 | 2009-12-01 | Busbar bushing with an orientationally adjustable protective casing dedicated to the connector |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2366189B1 (en) |
ES (1) | ES2666663T3 (en) |
FR (1) | FR2939956B1 (en) |
PT (1) | PT2366189T (en) |
WO (1) | WO2010066984A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102629497B (en) * | 2011-05-27 | 2014-03-19 | 王日新 | Novel built-in epoxy resin capacitive type insulated outgoing bus |
EP3618086B1 (en) * | 2018-08-30 | 2021-04-28 | ABB Power Grids Switzerland AG | Shield for a terminal of a high-voltage electrical device and method for operating the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR604632A (en) | 1925-08-26 | 1926-05-10 | Water-filled lid with gripping handles for kitchen containers and more | |
DE19805059A1 (en) * | 1998-02-10 | 1999-08-19 | Doerrstein | Insulating cover for connecting terminals, especially for transformers with powers between 50 and 630 kVA |
FR2901631B1 (en) * | 2006-05-23 | 2010-05-21 | Pioch | ROD-PITCH ASSEMBLY TO BE MOUNTED ACROSS AN ORIFICE OF A WALL OF AN ELECTRIC TRANSFORMER |
FR2901630B1 (en) * | 2006-05-23 | 2008-10-17 | Pioch Soc Par Actions Simplifi | PASS BAR |
-
2008
- 2008-12-12 FR FR0858542A patent/FR2939956B1/en active Active
-
2009
- 2009-12-01 EP EP09802155.3A patent/EP2366189B1/en active Active
- 2009-12-01 ES ES09802155.3T patent/ES2666663T3/en active Active
- 2009-12-01 PT PT98021553T patent/PT2366189T/en unknown
- 2009-12-01 WO PCT/FR2009/052355 patent/WO2010066984A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
ES2666663T3 (en) | 2018-05-07 |
WO2010066984A1 (en) | 2010-06-17 |
FR2939956A1 (en) | 2010-06-18 |
PT2366189T (en) | 2018-05-16 |
EP2366189A1 (en) | 2011-09-21 |
FR2939956B1 (en) | 2015-06-19 |
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