EP0960455B1 - High power pivoting electric mains - Google Patents
High power pivoting electric mains Download PDFInfo
- Publication number
- EP0960455B1 EP0960455B1 EP98910817A EP98910817A EP0960455B1 EP 0960455 B1 EP0960455 B1 EP 0960455B1 EP 98910817 A EP98910817 A EP 98910817A EP 98910817 A EP98910817 A EP 98910817A EP 0960455 B1 EP0960455 B1 EP 0960455B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrical
- current feed
- electrical connection
- connection
- flexible
- 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
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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
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
- H01R35/02—Flexible line connectors without frictional contact members
Definitions
- the invention relates to a pivoting power supply to strong power.
- the invention relates more exactly to a power supply for transmitting power between two electrical machines having a relative rotational movement limited one with respect to the other.
- This kind of power supply can for example be used between a transformer or a fixed converter and an electric motor arranged in a nacelle having a rotation with respect to the transformer or fixed converter.
- a power supply including all the characteristics of the preamble of claim 1 is described in US3907391.
- One of the aims of the present invention is to realize a high power pivoting power supply without rotating contact.
- Another object of the present invention is to provide a current supply whose life is substantially lengthened and whose maintenance is reduced in time immobilization and frequency.
- the invention relates to a current supply for conveying high current under high voltage between a first electrical appliance and a second electrical appliance movable in rotation limited with respect to one another about an axis of rotation defining a plane of perpendicular movement.
- the current supply comprises at least one flexible electrical connection having two electrical connection ends, electrically connected respectively to a first electrical connection pad, and to a second electric padding pad, and rigidifying and holding elements, insulating, integral with the electrical apparatus, for stiffening and maintaining the first and second electrical connection pads in planes passing through the axis of rotation and perpendicular to the plane of movement.
- the feed includes less a flexible link in the form of a multi-strand braid conductor, each connection end comprising a conductive metal plate, electrically and mechanically secured to the connection range associated with it.
- the feed comprises at least one flexible connection in the form of a foil conductor comprising a plurality of stacked lamellae in a direction belonging to the movement plan, each slat having a length such that in position extreme relative rotation of electrical appliances, the lamellae are substantially parallel to each other.
- the feed comprises at least one flexible connection in the form of a foil conductor comprising a plurality of stacked lamellae in a direction belonging to the movement plan, the a plurality of sipes having a zero rotation position relative electrical apparatus a sinusoidal form in the travel plan.
- connection ends are formed by the ends associated slats, welded together.
- connection ends are formed by the associated ends of the lamellae, riveted together.
- the invention also relates to a machine arrangement electrical appliances comprising a first electrical appliance and a second rotating mobile electrical apparatus limited relative to each other about an axis of rotation and at least a supply of current between the two devices, according to the invention the arrangement comprises a current supply as described above.
- the invention relates to a current supply 1 for convey high current under high voltage between a first electrical appliance 2 and a second appliance electrical 3 moving in limited rotation one with respect to the other around a rotation axis 4 defining a plane of rotation perpendicular displacement D.
- the current supply 1 comprises at less a flexible electrical connection 6 having two ends electrically connected 7, electrically connected respectively at a first connection range 8, and at a second connection range 9. These electrical connection areas 8, 9 are they themselves electrically connected to the terminals or bars supply 15 of the machine to which they are associated.
- the invention proposes stiffening and maintaining 10, insulators and solidarity devices electric 2, 3.
- the elements of stiffening and holding 10 isolate the different brought between them and with respect to the metal parts electrical appliances 2, 3, they are also intended to rigidify and maintain the first and second ranges of electrical connection 8, 9 in planes E, F passing through the axis of rotation 4 and perpendicular to the plane of rotation displacement D.
- the invention proposes different possibilities, not limiting, for flexible electrical connections 6.
- At least one flexible link comprises a multi-strand braid conductor, each connection end comprising a conductive metal plate, electrically and mechanically secured to the connection range associated with it.
- the flexible link 6 includes a foil conductor 11 comprising a plurality of stacked lamellae 12 in a direction belonging to the travel plan D.
- Each strip 12 has a length such that in position extreme relative rotation of electrical appliances 2, 3 (FIG. 2B), the lamellae 12 are substantially parallel between them.
- This type of foil can be advantageously used for so-called "weak" rotations, ie between 0 and 180 °.
- the flexible link includes a foil conductor 13 comprising a plurality of stacked lamellae in a direction belonging to the movement plan, the a plurality of slats having a zero rotation position relative electrical devices 2, 3 a sinusoidal form in the displacement plan D.
- connection ends are formed by the ends associated slats welded together and / or riveted together.
- Connection ends 7 may furthermore constitute the electrical connection pads 8, 9.
- the invention also relates to a machine arrangement electrical appliances comprising a first electrical appliance and a second rotating mobile electrical apparatus limited relative to each other about an axis of rotation and at minus a current supply described above.
- the invention is not limited to the modes described, but it is likely to numerous variants accessible to those skilled in the art without that one deviates from the invention.
- the number flexible connections by supply, the different types of flexible connections of the same feed etc. can vary without depart from the scope of the invention.
- the general form, preforming, and the materials of foils and braids can vary without departing from the scope of the invention.
Description
L'invention concerne une amenée de courant pivotante à forte puissance. L'invention concerne plus exactement une amenée de courant permettant de transmettre une puissance électrique entre deux machines électriques ayant un mouvement relatif de rotation limité l'une par rapport à l'autre.The invention relates to a pivoting power supply to strong power. The invention relates more exactly to a power supply for transmitting power between two electrical machines having a relative rotational movement limited one with respect to the other.
Ce genre d'amenée de courant peut par exemple être utilisée entre un transformateur ou un convertisseur fixe et un moteur électrique disposé dans une nacelle ayant un mouvement de rotation par rapport au transformateur ou au convertisseur fixe.This kind of power supply can for example be used between a transformer or a fixed converter and an electric motor arranged in a nacelle having a rotation with respect to the transformer or fixed converter.
C'est typiquement le cas dans l'alimentation de moteurs marins entraínant les hélices, et disposés dans une nacelle carénée appelé POD disposée sous la coque du navire. La nacelle est montée pivotante sous la coque. Il est donc nécessaire de prévoir une amenée de courant pivotante entre les éléments d'électronique de puissance embarqués dans la coque et le moteur pivotant avec la nacelle.This is typically the case in the diet of marine engines driving the propellers, and arranged in a carinated pod called POD arranged under the hull of the ship. The platform is pivotally mounted under the hull. It is therefore necessary to provide a pivotal current supply between the power electronics elements embedded in the hull and swivel engine with the carrycot.
Il est connu de réaliser ce type d'amenée par des liaisons à contacts tournants bagues/balais.It is known to carry out this type of feed by rotary contacts rings / brushes.
Un des inconvénients de ce type de liaison résulte de la complexité mécanique ainsi que de l'inaccessibilité des montages bagues/balais. Cela induit des temps de maintenance importants. En outre, cette maintenance doit être effectuée de façon régulière et fréquente du fait de l'usure des pièces résultant du contact tournant entre les bagues et les balais.One of the drawbacks of this type of connection results from the mechanical complexity as well as the inaccessibility of assemblies rings / brooms. This induces maintenance times important. In addition, this maintenance must be performed regularly and frequently because of the wear of parts resulting from the rotating contact between the rings and broom.
L'utilisation d'une telle liaison, à des puissances élevées, induit de nouveaux inconvénients tels qu'une densité élevée de courant dans les contacts électriques et une tension élevée dans des pièces ayant un mouvement relatif les unes par rapport aux autres.The use of such a link, to powers high, induces new disadvantages such as high density of current in the electrical contacts and high voltage in moving parts relative to each other.
Une amenée de courant comprenant toutes les caractéristiques
du préambule de la revendication 1 est décrite dans le
document US3907391.A power supply including all the characteristics
of the preamble of
L'un des buts de la présente invention est de réaliser une amenée de courant pivotante de forte puissance sans contact tournant. One of the aims of the present invention is to realize a high power pivoting power supply without rotating contact.
Un autre but de la présente invention est de réaliser une amenée de courant dont la durée de vie est sensiblement allongée et dont la maintenance est réduite en temps d'immobilisation et en fréquence.Another object of the present invention is to provide a current supply whose life is substantially lengthened and whose maintenance is reduced in time immobilization and frequency.
A cet effet, l'invention concerne une amenée de
courant pour convoyer de haut courant sous de haute tension
entre un premier appareil électrique et un deuxième appareil
électrique mobiles en rotation limitée l'un par rapport à
l'autre autour d'un axe de rotation définissant un plan de
déplacement perpendiculaire. Selon l'invention, l'amenée de
courant comprend au moins une liaison électrique souple
ayant deux extrémités de connexion électriques,
électriquement connectées respectivement à une première
plage de raccordement électrique, et à une deuxième plage de
raccordement électrique, et
des éléments de rigidification et de maintien,
isolants, solidaires des appareils électriques, pour
rigidifier et maintenir les première et deuxième plages de
raccordement électrique dans des plans passant par l'axe de
rotation et perpendiculaires au plan de déplacement.To this end, the invention relates to a current supply for conveying high current under high voltage between a first electrical appliance and a second electrical appliance movable in rotation limited with respect to one another about an axis of rotation defining a plane of perpendicular movement. According to the invention, the current supply comprises at least one flexible electrical connection having two electrical connection ends, electrically connected respectively to a first electrical connection pad, and to a second electric padding pad, and
rigidifying and holding elements, insulating, integral with the electrical apparatus, for stiffening and maintaining the first and second electrical connection pads in planes passing through the axis of rotation and perpendicular to the plane of movement.
Dans une forme de réalisation, l'amenée comprend au moins une liaison souple sous forme d'une tresse multi-brin conductrice, chaque extrémité de connexion comprenant une plaque métallique conductrice, électriquement et mécaniquement solidarisée à la plage de raccordement électrique qui lui est associée.In one embodiment, the feed includes less a flexible link in the form of a multi-strand braid conductor, each connection end comprising a conductive metal plate, electrically and mechanically secured to the connection range associated with it.
Dans une autre forme de réalisation, l'amenée comprend au moins une liaison souple sous forme d'un clinquant conducteur comprenant une pluralité de lamelles empilées dans une direction appartenant au plan de déplacement, chaque lamelle ayant une longueur telle qu'en position extrême de rotation relative des appareils électrique, les lamelles soient sensiblement parallèles entre elles.In another embodiment, the feed comprises at least one flexible connection in the form of a foil conductor comprising a plurality of stacked lamellae in a direction belonging to the movement plan, each slat having a length such that in position extreme relative rotation of electrical appliances, the lamellae are substantially parallel to each other.
Dans une autre forme de réalisation, l'amenée comprend au moins une liaison souple sous forme d'un clinquant conducteur comprenant une pluralité de lamelles empilées dans une direction appartenant au plan de déplacement, la pluralité de lamelle ayant en position zéro de rotation relative des appareils électrique une forme sinusoïdale dans le plan de déplacement.In another embodiment, the feed comprises at least one flexible connection in the form of a foil conductor comprising a plurality of stacked lamellae in a direction belonging to the movement plan, the a plurality of sipes having a zero rotation position relative electrical apparatus a sinusoidal form in the travel plan.
Dans les deux dernières formes de réalisation, les extrémités de connexion sont formées par les extrémités associées des lamelles, soudées ensemble.In the last two embodiments, the connection ends are formed by the ends associated slats, welded together.
Dans une alternative ou en combinaison avec l'association précédente, les extrémités de connexion sont formées par les extrémités associées des lamelles, rivetées ensemble.In an alternative or in combination with the previous association, the connection ends are formed by the associated ends of the lamellae, riveted together.
L'invention concerne aussi un arrangement de machines électriques comprenant un premier appareil électrique et un deuxième appareil électrique mobiles en rotation limitée l'un par rapport à l'autre autour d'un axe de rotation et au moins une amenée de courant entre les deux appareils, selon l'invention l'arrangement comprend une amenée de courant telle que décrite ci-dessus.The invention also relates to a machine arrangement electrical appliances comprising a first electrical appliance and a second rotating mobile electrical apparatus limited relative to each other about an axis of rotation and at least a supply of current between the two devices, according to the invention the arrangement comprises a current supply as described above.
D'autres avantages et caractéristiques de la présente
invention résulteront de la description qui va suivre en
référence aux dessins dans lesquels :
L'invention concerne une amenée de courant 1 pour
convoyer de haut courant sous de haute tension entre un
premier appareil électrique 2 et un deuxième appareil
électrique 3 mobiles en rotation limitée l'un par rapport à
l'autre autour d'un axe de rotation 4 définissant un plan de
déplacement perpendiculaire D.The invention relates to a
Selon l'invention l'amenée de courant 1 comprend au
moins une liaison électrique souple 6 ayant deux extrémités
de connexion électriques 7, électriquement connectées
respectivement à une première plage de raccordement
électrique 8, et à une deuxième plage de raccordement
électrique 9. Ces plages de raccordement électrique 8, 9
sont elles même liées électriquement aux bornes ou barres
d'alimentation 15 de la machine à laquelle elles sont
associées.According to the invention the
Pour éviter que les plages de raccordement électrique
8, 9 soient mécaniquement fatiguées par la reprise cyclique
des forces de rappel induites par la flexion de la ou des
liaisons électriques souples 6 lors de la rotation,
l'invention propose des éléments de rigidification et de
maintien 10, isolants et solidaires des appareils
électriques 2, 3.To prevent
Outre le fait que, par leur matière, les éléments de
rigidification et de maintien 10 isolent les différentes
amenées entre elles et par rapport aux pièces métalliques
des appareils électriques 2, 3, ils ont aussi pour but de
rigidifier et maintenir les première et deuxième plages de
raccordement électrique 8, 9 dans des plans E, F passant par
l'axe de rotation 4 et perpendiculaires au plan de
déplacement D.In addition to the fact that, by their material, the elements of
stiffening and holding 10 isolate the different
brought between them and with respect to the metal parts
Dans le but de diminuer les forces de rappel induites
par la flexion de la ou des liaisons électriques souples 6
ou des frottements d'une partie sur l'autre lors de la
rotation, l'invention propose différentes possibilités, non
limitatives, pour les liaisons électriques souples 6.In order to decrease the induced restoring forces
by bending the flexible electrical connection (s) 6
or friction from one part to the other during the
rotation, the invention proposes different possibilities, not
limiting, for flexible
Dans un premier mode de réalisation non représenté, au moins une liaison souple comprend une tresse multi-brin conductrice, chaque extrémité de connexion comprenant une plaque métallique conductrice, électriquement et mécaniquement solidarisée à la plage de raccordement électrique qui lui est associée.In a first embodiment, not shown, at least one flexible link comprises a multi-strand braid conductor, each connection end comprising a conductive metal plate, electrically and mechanically secured to the connection range associated with it.
Dans un autre mode de réalisation représenté sur les
figures 2A et 2B, la liaison souple 6 comprend un clinquant
conducteur 11 comprenant une pluralité de lamelles empilées
12 dans une direction appartenant au plan de déplacement D.
Chaque lamelle 12 a une longueur telle qu'en position
extrême de rotation relative des appareils électrique 2, 3
(figure 2B), les lamelles 12 sont sensiblement parallèles
entre elles. Ce type de clinquant peut être avantageusement
utilisé pour des rotations dites "faibles", c'est à dire
entre 0 et 180 °.In another embodiment shown on the
2A and 2B, the
Dans un autre mode de réalisation (figure 3),
avantageusement utilisé pour des rotations pouvant aller
jusqu'à 240°, la liaison souple comprend un clinquant
conducteur 13 comprenant une pluralité de lamelles empilées
dans une direction appartenant au plan de déplacement, la
pluralité de lamelles ayant en position zéro de rotation
relative des appareils électrique 2, 3 une forme sinusoïdale
dans le plan de déplacement D.In another embodiment (Figure 3),
advantageously used for rotations that can go
up to 240 °, the flexible link includes a
Dans les deux derniers modes de réalisation, les extrémités de connexion sont formées par les extrémités associées des lamelles soudées ensemble et/ou rivetées ensemble.In the last two embodiments, the connection ends are formed by the ends associated slats welded together and / or riveted together.
Les extrémités de connexion 7 peuvent en outre
constituer les plages de raccordement électrique 8, 9.
Les exemples représentés sur les figures ne sont pas
limitatifs. La caractéristique principale de ces liaisons
résulte du fait que, indépendamment de la forme ou du
préformage des liaisons, les forces de rappel, induites par
la flexion des liaisons électriques souples 6, ou les
frottements d'une partie sur l'autre lors de la rotation,
sont minimisés.The examples shown in the figures are not
limiting. The main characteristic of these links
results from the fact that, irrespective of the form or
preforming of the links, the restoring forces induced by
the flexion of the flexible
L'invention concerne aussi un arrangement de machines électriques comprenant un premier appareil électrique et un deuxième appareil électrique mobiles en rotation limitée l'un par rapport à l'autre autour d'un axe de rotation et au moins une amenée de courant ci-dessus décrite.The invention also relates to a machine arrangement electrical appliances comprising a first electrical appliance and a second rotating mobile electrical apparatus limited relative to each other about an axis of rotation and at minus a current supply described above.
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits, mais elle est susceptible de nombreuses variantes accessibles à l'homme du métier sans que l'on s'écarte de l'invention. En particulier, le nombre de liaisons souples par amenée, les différents types de liaisons souples d'une même amenée etc.. peuvent varier sans sortir du cadre de l'invention. De même la forme générale, le preformage, et les materiaux des clinquants et des tresses peuvent varier sans sortir du cadre de l'invention.Of course, the invention is not limited to the modes described, but it is likely to numerous variants accessible to those skilled in the art without that one deviates from the invention. In particular, the number flexible connections by supply, the different types of flexible connections of the same feed etc. can vary without depart from the scope of the invention. Similarly the general form, preforming, and the materials of foils and braids can vary without departing from the scope of the invention.
Claims (7)
- A current feed for conveying high current at high voltage between a first item of electrical apparatus (2) and a second item of electrical apparatus (3), the items of apparatus being mounted to pivot to a limited extent relative to each other about a pivot axis (4) perpendicular to their plane of displacement (D), the current feed comprising at least one flexible electrical connection (6), and a first electrical connection region and a second electrical connection region, said flexible electrical connection having two electrical connection ends (7) that are electrically connected respectively to the first electrical connection region (8), and to the second electrical connection region (9), said current feed being characterized in that it further comprises insulating stiffening and holding elements (10) suitable for being secured to the items of electrical apparatus (2, 3), for stiffening the first and second electrical connection regions (8, 9) and for holding them in planes (E, F) that contain the pivot axis (4) and that are perpendicular to the plane of displacement (D).
- A current feed according to claim 1, characterized in that at least one flexible connection (6) comprises a conductive multi-strand braid, each connection end comprising a conductive metal plate which is electrically and mechanically secured to the electrical connection region that is associated with it.
- A current feed according to claim 1 or claim 2, characterized in that at least one flexible connection (6) comprises a stack (11) of conductive strips (12) stacked in a direction lying in the plane of displacement (D), each strip (12) having a length such that, when the items of electrical apparatus are in one extreme relative pivot position, the strips (12) are substantially mutually parallel.
- A current feed according to any one of claims 1 to 3, characterized in that at least one flexible connection (6) comprises a stack (13) of conductive strips stacked in a direction lying in the plane of displacement, the strips in the stack occupying a sinusoidal shape in the plane of displacement when the items of electrical apparatus are in the zero relative pivot position.
- A current feed according to claim 3 or claim 4, characterized in that the connection ends (7) are formed by welding together the associated ends of the strips.
- A current feed according to any one of claims 3 to 5, characterized in that the connection ends (7) are formed by riveting together the associated ends of the strips.
- An arrangement of electrical machines comprising a first item of electrical apparatus (2) and a second item of electrical apparatus (3) mounted to pivot to a limited extent relative to each other about a pivot axis (4), and at least one current feed (1) between the two items of apparatus (2, 3), said arrangement being characterized in that it includes a current feed according to any one of claims 1 to 6.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9702164A FR2760143B1 (en) | 1997-02-24 | 1997-02-24 | HIGH POWER SWIVEL CURRENT |
| FR9702164 | 1997-02-24 | ||
| PCT/FR1998/000356 WO1998037599A1 (en) | 1997-02-24 | 1998-02-23 | High power pivoting electric mains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0960455A1 EP0960455A1 (en) | 1999-12-01 |
| EP0960455B1 true EP0960455B1 (en) | 2005-06-08 |
Family
ID=9504093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98910817A Expired - Lifetime EP0960455B1 (en) | 1997-02-24 | 1998-02-23 | High power pivoting electric mains |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0960455B1 (en) |
| DE (1) | DE69830478T2 (en) |
| FR (1) | FR2760143B1 (en) |
| WO (1) | WO1998037599A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3125172A1 (en) * | 2021-07-12 | 2023-01-13 | Saft | Connection piece for prismatic format electrochemical element |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE788275A (en) * | 1972-08-10 | 1973-02-28 | Amp Inc | ELECTRIC CABLE. |
| US3907391A (en) * | 1973-08-01 | 1975-09-23 | Hooker Chemicals Plastics Corp | Flexible intercell connector for electrolytic cells |
| US4241965A (en) * | 1979-08-08 | 1980-12-30 | Haworth Mfg., Inc. | Electrical connector for power panel system |
| US5581440A (en) * | 1992-09-18 | 1996-12-03 | Ast Research, Inc. | Rotatable bushing for reducing bending stress in electrical cable |
-
1997
- 1997-02-24 FR FR9702164A patent/FR2760143B1/en not_active Expired - Lifetime
-
1998
- 1998-02-23 WO PCT/FR1998/000356 patent/WO1998037599A1/en active IP Right Grant
- 1998-02-23 EP EP98910817A patent/EP0960455B1/en not_active Expired - Lifetime
- 1998-02-23 DE DE69830478T patent/DE69830478T2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3125172A1 (en) * | 2021-07-12 | 2023-01-13 | Saft | Connection piece for prismatic format electrochemical element |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2760143A1 (en) | 1998-08-28 |
| EP0960455A1 (en) | 1999-12-01 |
| DE69830478D1 (en) | 2005-07-14 |
| DE69830478T2 (en) | 2006-03-23 |
| WO1998037599A1 (en) | 1998-08-27 |
| FR2760143B1 (en) | 1999-04-16 |
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