EP1680793A1 - Control device for breaking and closing an electric battery circuit - Google Patents

Control device for breaking and closing an electric battery circuit

Info

Publication number
EP1680793A1
EP1680793A1 EP04791519A EP04791519A EP1680793A1 EP 1680793 A1 EP1680793 A1 EP 1680793A1 EP 04791519 A EP04791519 A EP 04791519A EP 04791519 A EP04791519 A EP 04791519A EP 1680793 A1 EP1680793 A1 EP 1680793A1
Authority
EP
European Patent Office
Prior art keywords
piston
closing
circuit
ramp
disc
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.)
Granted
Application number
EP04791519A
Other languages
German (de)
French (fr)
Other versions
EP1680793B1 (en
Inventor
Christian Tony Gauthier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Electronique et Systemes de Liaison SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valeo Electronique et Systemes de Liaison SA filed Critical Valeo Electronique et Systemes de Liaison SA
Publication of EP1680793A1 publication Critical patent/EP1680793A1/en
Application granted granted Critical
Publication of EP1680793B1 publication Critical patent/EP1680793B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing

Definitions

  • Control device for cutting and closing the circuit of an electric battery The present invention relates to a device for controlling the closing and opening of the circuit of an electric battery.
  • motor vehicles include more and more electrical and electronic components, which requires the provision of batteries having a relatively large voltage. It is therefore essential, for safety reasons, that certain elements of the vehicle are automatically switched off, for example when the hood is opened, in order to avoid the risk of accidents for users. Generally, to make such cuts, "bistable s itchs" are used which are expensive and relatively heavy bodies.
  • a control assembly for cutting and opening a circuit comprising lugs inserted into the circuit, contact pads connected to the lugs and a contact strip intended to be connected to the pads or separated from those here, the bar being carried by a piston provided with a hollow with which cooperate pins carried by a wheel driven by a motor through a reducer so that the bar is kept applied against the studs to ensure the closing of the circuit, and discarded from them for cutting the latter.
  • Such an arrangement has proven to be complex and expensive, the manufacture and machining being delicate.
  • One of the aims of the invention is to provide a device of the above type overcoming these drawbacks.
  • the device according to the invention is of the type comprising a first terminal intended to be connected to the battery, a second terminal intended to be connected to electrical circuits to be supplied, each terminal comprising a contact pad, a contact strip intended, d on the one hand, to cooperate with the pads to ensure the closing of the circuit and, on the other hand, to be moved away from them to make the cut, the contact strip being carried by a piston movable against the action of a spring and guided in a housing of a carcass and controlled by a disc integral with a toothed wheel driven by an endless screw wedged on the output shaft of an electric motor with a reduction gear and is characterized in that the disc has two studs arranged on a radius of said disc, one of the studs, the first, being arranged in the vicinity of the periphery of the disc, while the second is located in the vicinity of the axis of rotation of the latter, ta Note that the piston has a hollow with a first ramp with which the first stud can cooperate to oppose the sliding of
  • the housing of the carcass in which the piston is guided comprises a hollow in which is housed a compression spring, while the piston is provided with two fingers cooperating with the ends of the spring.
  • FIG. 1 is an exploded perspective view of a device according to the invention.
  • Figure 2 is a perspective view of the piston.
  • Figure 3 is an elevational view of the device.
  • Figure 4 is a sectional view along line 4-4 of Figure 3.
  • Figure 5 to Figure 10 schematically show the operation of the device according to the invention.
  • Figure 11 shows schematically the engine control.
  • the device shown in the figures comprises a carcass 1 made of insulating material with a first housing 2 in which are arranged two studs 3 and 4, the stud 3 being connected to a terminal 5 intended to be inserted on a supply circuit arriving from a vehicle battery.
  • the stud 4 is connected to a terminal 6 to which is fixed an electrical conductor cable for the supply of various circuits and electrical devices of the vehicle.
  • the carcass 1 is shaped to have a second housing in which is housed an electric motor 10 with a reduction gear and on the output shaft 11 of which is fixed an endless screw 12 opening into a third housing 14 of the carcass.
  • the third housing 14 has a bottom 15 from which an axis 16 is erected, two lateral guide walls 17, a slot 18 opening into the housing 1 and a hollow 19 in which is housed a compression spring 20, the latter having projections 21 for retaining the spring.
  • a piston 23 having an oblong slot 24 for the passage of the axis 16 and two fingers 25 and 31 intended to cooperate with the ends of the spring 20.
  • the piston is mounted floating in the housing 14.
  • the end of the piston 23, opposite to that provided with the slot 24, is terminated by a stirrup 26 passing through a hole 27 of a contact strip 28, applied by a spring 30 to a shoulder 29 of said piston 23.
  • the spring 20 tends to keep the contact strip 28 away from the pads 3 and 4 with which it is intended to cooperate to ensure the closure of the circuit.
  • the worm 12 cooperates with a toothed wheel 32, turning madly on the axis 16, integral with a disc 33 on the free face of which two studs 34 and 35 are erected.
  • the studs 34 and 35 are arranged radially on the corresponding face of the disc 33, the stud 34 being located in the vicinity of the periphery and the stud 35 in the vicinity of the axis 16.
  • the piston 23, on its face opposite to that cooperating with the bottom 15, and in the vicinity of its end opposite to that provided with the stirrup 26, comprises a hollow 38 having a first ramp 38a s Opening on one face 23a of the piston 23, a rectilinear longitudinal ramp 38b connected to a second ramp 38c terminated by a steep 39.
  • a finished tooth 40 on the side of the longitudinal ramp 38b, by a point, in order to present two ramps 40a and 40b.
  • a relay 47 is inserted on the different lines and is connected by lines 48 and 49 to the two power supply terminals of the motor 10.
  • the relay 47 is connected to a control of an inverter 50 which allows the relay 47 to selectively connect the line 44 and the line 43 so as to control the motor in one direction and to connect lines 42 and 45 so that the motor is driven in the opposite direction.
  • a timer 51 is provided which controls the opening of line 48.
  • the motor 10 is this time supplied so that the toothed wheel 32 rotates in an anticlockwise direction (see FIG. 9); the stud 34 drops the ramp 38a so that the piston 23 is free, the stud 35 bears against the ramp 40a of the tooth 40 and controls the displacement of the piston 23 in the direction of the arrow f to bring the contact strip 28 against pads 3 and. In this position, the stud 34 is located in line with the ramp 38c, while the stud 35 escapes the tooth 40.
  • the motor power is cut by the timer and the inverter is switched so that the device is ready for the circuit opening process.

Landscapes

  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The device has a connecting strip (28) that is guided in housing and controlled by a disk (33). The disk is integrated to a toothed wheel, which is driven by a worm screw. Two pilot points (34, 35) are placed on the radius of the disk, where the point (34) opposes the sliding of a piston in a closing direction. The point (35) hooks on a guide track (40b) to control the sliding of the piston in an opening direction.

Description

Dispositif de commande de la coupure et de la fermeture du circuit d'une batterie électrique. La présente invention se rapporte à un dispositif de commande de la fermeture et de l'ouverture du circuit d'une batterie électrique. Control device for cutting and closing the circuit of an electric battery. The present invention relates to a device for controlling the closing and opening of the circuit of an electric battery.
Actuellement, les véhicules automobiles comportent de plus en plus d'organes électriques et électroniques, ce qui nécessite de prévoir des batteries ayant une tension relativement importante. Il est donc indispensable, pour des questions de sécurité, que certains éléments du véhicule soient automatiquement hors tension, par exemple lorsqu'on ouvre le capot, afin d'éviter les risques d'accidents pour les utilisateurs. Généralement, pour réaliser de telles coupures, on utilise des "s itchs bistables" qui sont des organes chers et relativement pesants. On a également proposé un ensemble de commande de la coupure et de l'ouverture d'un circuit comprenant des cosses insérées sur le circuit, des plots de contact reliés aux cosses et une barrette de contact destinée à être reliée aux plots ou écartée de ceux-ci, la barrette étant portée par un piston pourvu d'un creusage avec lequel coopèrent des tétons portés par une roue entraînée par un moteur à travers un réducteur de manière que la barrette soit maintenue appliquée contre les plots pour assurer la fermeture du circuit, et écartée de ceux-ci pour la coupure de ce dernier. Une telle disposition s'est avérée complexe et onéreuse, la fabrication et l'usinage étant délicats. L'un des buts de l'invention est de réaliser un dispositif du type ci-dessus remédiant à ces inconvénients . Le dispositif selon l'invention est du type comprenant une première cosse destinée à être reliée à la batterie, une seconde cosse destinée à être reliée à des circuits électriques à alimenter, chaque cosse comportant un plot de contact, une barrette de contact destinée, d'une part, à coopérer avec les plots pour assurer la fermeture du circuit et, d'autre part, à être écartée de ceux-ci pour réaliser la coupure, la barrette de contact étant portée par un piston mobile contre l'action d'un ressort et guidé dans un logement d'une carcasse et commandé par un disque solidaire d'une roue dentée entraînée par une vis sans fin calée sur l'arbre de sortie d'un moteur électrique avec un réducteur et est caractérisé en ce que le disque comporte deux tétons disposés sur un rayon dudit disque, l'un des tétons, le premier, étant disposé au voisinage de la périphérie du disque, tandis que le second est situé au voisinage de l'axe de rotation de ce dernier, tandis que le piston présente un creusage avec une première rampe avec laquelle peut coopérer le premier téton pour s'opposer au coulissement du piston dans le sens de la fermeture du circuit, la barrette de contact étant écartée des plots, et une seconde rampe avec laquelle peut coopérer le premier téton pour s'opposer au coulissement du piston dans le sens de l'ouverture, la barrette de contact étant appliquée contre les plots, le creusage étant pourvu d'une dent présentant une première et une seconde rampe, tandis que le second téton porte contre la première rampe pour commander le coulissement du piston dans le sens de la fermeture et avec la seconde rampe dans le sens de l'ouverture, le moteur électrique comportant des moyens de manière à tourner dans un sens pour commander l'ouverture et dans le sens opposé pour commander la fermeture. Suivant une caractéristique de détail, le moteur électrique comporte des moyens pour commander la rotation du disque dans un sens et dans le sens opposé sur 180°.Currently, motor vehicles include more and more electrical and electronic components, which requires the provision of batteries having a relatively large voltage. It is therefore essential, for safety reasons, that certain elements of the vehicle are automatically switched off, for example when the hood is opened, in order to avoid the risk of accidents for users. Generally, to make such cuts, "bistable s itchs" are used which are expensive and relatively heavy bodies. A control assembly for cutting and opening a circuit has also been proposed, comprising lugs inserted into the circuit, contact pads connected to the lugs and a contact strip intended to be connected to the pads or separated from those here, the bar being carried by a piston provided with a hollow with which cooperate pins carried by a wheel driven by a motor through a reducer so that the bar is kept applied against the studs to ensure the closing of the circuit, and discarded from them for cutting the latter. Such an arrangement has proven to be complex and expensive, the manufacture and machining being delicate. One of the aims of the invention is to provide a device of the above type overcoming these drawbacks. The device according to the invention is of the type comprising a first terminal intended to be connected to the battery, a second terminal intended to be connected to electrical circuits to be supplied, each terminal comprising a contact pad, a contact strip intended, d on the one hand, to cooperate with the pads to ensure the closing of the circuit and, on the other hand, to be moved away from them to make the cut, the contact strip being carried by a piston movable against the action of a spring and guided in a housing of a carcass and controlled by a disc integral with a toothed wheel driven by an endless screw wedged on the output shaft of an electric motor with a reduction gear and is characterized in that the disc has two studs arranged on a radius of said disc, one of the studs, the first, being arranged in the vicinity of the periphery of the disc, while the second is located in the vicinity of the axis of rotation of the latter, ta Note that the piston has a hollow with a first ramp with which the first stud can cooperate to oppose the sliding of the piston in the direction of closing the circuit, the contact strip being spaced from the studs, and a second ramp with which can cooperate the first stud to oppose the sliding of the piston in the opening direction, the contact strip being applied against the studs, the hollow being provided with a tooth having a first and a second ramp, while the second stud bears against the first ramp to control the sliding of the piston in the closing direction and with the second ramp in the opening direction, the electric motor comprising means so as to rotate in one direction to control the opening and in the opposite direction to order closing. According to a characteristic of detail, the electric motor comprises means for controlling the rotation of the disc in one direction and in the opposite direction over 180 °.
Suivant encore une autre caractéristique, le logement de la carcasse dans lequel est guidé le piston comporte un creusage dans lequel est logé un ressort de compression, tandis que le piston est pourvu de deux doigts coopérant avec les extrémités du ressort.According to yet another characteristic, the housing of the carcass in which the piston is guided comprises a hollow in which is housed a compression spring, while the piston is provided with two fingers cooperating with the ends of the spring.
Ainsi, le piston est monté flottant dans le logement, et dans la position de repos la barrette de contact est écartée des plots. Enfin, le logement de la carcasse dans lequel est guidé le piston comporte un axe sur lequel tournent la roue dentée et le disque, ledit axe traversant une fente oblongue du piston. L'invention va maintenant être décrite avec plus de détail en se référant à un mode de réalisation particulier donné à titre d'exemple seulement et représenté aux dessins annexés. Figure 1 est une vue en perspective éclatée d'un dispositif selon l'invention.Thus, the piston is mounted floating in the housing, and in the rest position the contact strip is spaced from the studs. Finally, the housing of the carcass in which the piston is guided has an axis on which the toothed wheel and the disc rotate, said axis passing through an oblong slot in the piston. The invention will now be described in more detail with reference to a particular embodiment given by way of example only and shown in the accompanying drawings. Figure 1 is an exploded perspective view of a device according to the invention.
Figure 2 est une vue en perspective du piston. Figure 3 est une vue en élévation du dispositif.Figure 2 is a perspective view of the piston. Figure 3 is an elevational view of the device.
Figure 4 est une vue en coupe suivant la ligne 4-4 de la figure 3. Figure 5 à figure 10 montrent schématiquement le fonctionnement du dispositif selon l'invention. Figure 11 montre schématiquement la commande du moteur.Figure 4 is a sectional view along line 4-4 of Figure 3. Figure 5 to Figure 10 schematically show the operation of the device according to the invention. Figure 11 shows schematically the engine control.
Le dispositif représenté aux figures comprend une carcasse 1 en matière isolante avec un premier logement 2 dans lequel sont disposés deux plots 3 et 4, le plot 3 étant relié à une cosse 5 destinée à être insérée sur un circuit d'alimentation arrivant d'une batterie d'un véhicule. Le plot 4 est relié à une cosse 6 à laquelle est fixé un câble de conducteur électrique pour l'alimentation de différents circuits et appareils électriques du véhicule.The device shown in the figures comprises a carcass 1 made of insulating material with a first housing 2 in which are arranged two studs 3 and 4, the stud 3 being connected to a terminal 5 intended to be inserted on a supply circuit arriving from a vehicle battery. The stud 4 is connected to a terminal 6 to which is fixed an electrical conductor cable for the supply of various circuits and electrical devices of the vehicle.
La carcasse 1 est conformée pour présenter un second logement dans lequel est logé un moteur électrique 10 avec un réducteur et sur l'arbre de sortie 11 duquel est calée une vis sans fin 12 débouchant dans un troisième logement 14 de la carcasse.The carcass 1 is shaped to have a second housing in which is housed an electric motor 10 with a reduction gear and on the output shaft 11 of which is fixed an endless screw 12 opening into a third housing 14 of the carcass.
Le troisième logement 14 comporte un fond 15 à partir duquel s'érige un axe 16, deux parois latérales de guidage 17, une fente 18 débouchant dans le logement 1 et un creusage 19 dans lequel est logé un ressort de compression 20, celui-ci présentant des saillies 21 de retenue du ressort.The third housing 14 has a bottom 15 from which an axis 16 is erected, two lateral guide walls 17, a slot 18 opening into the housing 1 and a hollow 19 in which is housed a compression spring 20, the latter having projections 21 for retaining the spring.
Contre le fond 15 est appliqué un piston 23 présentant une fente oblongue 24 pour le passage de l'axe 16 et deux doigts 25 et 31 destinés à coopérer avec les extrémités du ressort 20. Ainsi le piston est monté flottant dans le logement 14.Against the bottom 15 is applied a piston 23 having an oblong slot 24 for the passage of the axis 16 and two fingers 25 and 31 intended to cooperate with the ends of the spring 20. Thus the piston is mounted floating in the housing 14.
L'extrémité du piston 23, opposée à celle pourvue de la fente 24, est terminée par un étrier 26 traversant un trou 27 d'une barrette de contact 28, appliquée par un ressort 30 sur un épaulement 29 dudit piston 23. Le ressort 20 tend à maintenir la barrette de contact 28 écartée des plots 3 et 4 avec lesquels elle est destinée à coopérer pour assurer la fermeture du circuit.The end of the piston 23, opposite to that provided with the slot 24, is terminated by a stirrup 26 passing through a hole 27 of a contact strip 28, applied by a spring 30 to a shoulder 29 of said piston 23. The spring 20 tends to keep the contact strip 28 away from the pads 3 and 4 with which it is intended to cooperate to ensure the closure of the circuit.
La vis sans fin 12 coopère avec une roue dentée 32, tournant folle sur l'axe 16, solidaire d'un disque 33 sur la face libre duquel s'érigent deux tétons 34 et 35. Les tétons 34 et 35 sont disposés radialement sur la face correspondante du disque 33, le téton 34 étant situé au voisinage de la périphérie et le téton 35 au voisinage de 1 ' axe 16. Le piston 23, sur sa face opposée à celle coopérant avec le fond 15, et au voisinage de son extrémité opposée à celle pourvue de l' étrier 26, comporte un creusage 38 présentant une première rampe 38a s Ouvrant sur une face 23a du piston 23, une rampe rectiligne longitudinale 38b raccordée à une seconde rampe 38c terminée par un abrupt 39.The worm 12 cooperates with a toothed wheel 32, turning madly on the axis 16, integral with a disc 33 on the free face of which two studs 34 and 35 are erected. The studs 34 and 35 are arranged radially on the corresponding face of the disc 33, the stud 34 being located in the vicinity of the periphery and the stud 35 in the vicinity of the axis 16. The piston 23, on its face opposite to that cooperating with the bottom 15, and in the vicinity of its end opposite to that provided with the stirrup 26, comprises a hollow 38 having a first ramp 38a s Opening on one face 23a of the piston 23, a rectilinear longitudinal ramp 38b connected to a second ramp 38c terminated by a steep 39.
Dans le creusage 38, du côté de la face 23a, s'étend une dent 40 terminée, du côté de la rampe longitudinale 38b, par une pointe, afin de présenter deux rampes 40a et 40b.In the hollow 38, on the side of the face 23a, extends a finished tooth 40, on the side of the longitudinal ramp 38b, by a point, in order to present two ramps 40a and 40b.
A la figure 11, on a représenté schématiquement la commande du moteur 10.In Figure 11, there is shown schematically the motor control 10.
A partir d'une batterie 41 s'étend, depuis la borne +, une ligne 42 avec une dérivation 43, tandis qu'a partir de la borne - s'étend une ligne 44 avec une dérivation 45. Un relais 47 est inséré sur les différentes lignes et est relié par des lignes 48 et 49 aux deux bornes d'alimentation du moteur 10. Le relais 47 est relié à une commande d'un inverseur 50 qui permet au relais 47 de relier sélectivement la ligne 44 et la ligne 43 de manière à commander le moteur dans un sens et de relier les lignes 42 et 45 pour que le moteur soit entraîné dans le sens inverse.From a battery 41 extends, from terminal +, a line 42 with a branch 43, while from terminal - extends a line 44 with a branch 45. A relay 47 is inserted on the different lines and is connected by lines 48 and 49 to the two power supply terminals of the motor 10. The relay 47 is connected to a control of an inverter 50 which allows the relay 47 to selectively connect the line 44 and the line 43 so as to control the motor in one direction and to connect lines 42 and 45 so that the motor is driven in the opposite direction.
Afin que le moteur 10 s'arrête après que le dispositif occupe la position de la figure 5 (fermeture du circuit) , la vis sans fin ayant entraîné la roue dentée sur 180° dans un sens, il est prévu un temporisateur 51 qui commande l'ouverture de la ligne 48.So that the motor 10 stops after the device occupies the position of FIG. 5 (closing of the circuit), the worm having driven the toothed wheel through 180 ° in one direction, a timer 51 is provided which controls the opening of line 48.
Lorsque l'inverseur 50 est commandé, le temporisateur 51 est également commandé et la ligne 48 est refermée, le moteur tournant en sens inverse puisque le relais 47 a inversé le sens de polarité, l'alimentation du moteur étant coupée lorsque la roue 32 a pivoté sur 180° dans le sens opposé au sens précédent, et ainsi de suite. Les figures 5 à 10 montrent schématiquement le fonctionnement du dispositif.When the inverter 50 is controlled, the timer 51 is also controlled and the line 48 is closed, the motor rotating in the opposite direction since the relay 47 has reversed the direction of polarity, the power to the motor being cut off when the wheel 32 has rotated 180 ° in the opposite direction to the previous direction, and so on. Figures 5 to 10 schematically show the operation of the device.
Dans la position de la figure 5, le circuit est fermé, la barrette 28 étant appliquée contre les plots 3 et 4, le ressort 30 étant légèrement comprimé de manière que le contact soit bien fermé. Pour commander l'ouverture (voir figures 6 et 7), le circuit du moteur 10 est fermé de manière que la roue dentée 32 soit entraînée dans le sens des aiguilles d'une montre. Durant cette rotation, le téton 35 vient porter contre la rampe 40b de la dent 40 et pousse le piston 23 dans le sens de la flèche g jusqu'à ce que le téton 34 vienne se situer au droit de l'abrupt 39. Dans cette position, le piston 23 étant libre avec l'action du ressort 20, la barrette de contact 28 est écartée des plots 3 et 4 (figure 7) . Cet écartement est amplifié par le téton 35 qui bute sur la rampe 40b de la dent 40.In the position of figure 5, the circuit is closed, the bar 28 being applied against the pads 3 and 4, the spring 30 being slightly compressed so that the contact is properly closed. To control the opening (see Figures 6 and 7), the motor circuit 10 is closed so that the toothed wheel 32 is driven clockwise. During this rotation, the stud 35 comes to bear against the ramp 40b of the tooth 40 and pushes the piston 23 in the direction of the arrow g until the stud 34 comes to be located at the right of the steep 39. In this position, the piston 23 being free with the action of the spring 20, the contact strip 28 is moved away from the studs 3 and 4 (FIG. 7). This spacing is amplified by the stud 35 which abuts on the ramp 40b of the tooth 40.
Lorsque la roue dentée 32 a tourné de 180°, le téton 35 échappe la dent 40, de sorte qu'avec l'action du ressort 20 le piston 23 revient dans une position intermédiaire, le téton 34 venant porter contre la rampe 38a (voir figure 8), l'alimentation du moteur 10 étant coupée et l'inverseur basculé.When the toothed wheel 32 has turned 180 °, the stud 35 escapes the tooth 40, so that with the action of the spring 20 the piston 23 returns to an intermediate position, the stud 34 coming to bear against the ramp 38a (see Figure 8), the power supply to the motor 10 being cut off and the inverter tilted.
Pour commander la fermeture du circuit, le moteur 10 est cette fois alimenté de manière que la roue dentée 32 tourne dans le sens opposé des aiguilles d'une montre (voir figure 9) ; le téton 34 échappe la rampe 38a de sorte que le piston 23 est libre, le téton 35 porte contre la rampe 40a de la dent 40 et commande le déplacement du piston 23 dans le sens de la flèche f pour amener la barrette de contact 28 contre les plots 3 et . Dans cette position, le téton 34 vient se situer au droit de la rampe 38c, tandis que le téton 35 échappe la dent 40. L'alimentation du moteur est coupée par le temporisateur et l'inverseur est basculé pour que le dispositif soit prêt pour le processus d'ouverture du circuit.To control the closing of the circuit, the motor 10 is this time supplied so that the toothed wheel 32 rotates in an anticlockwise direction (see FIG. 9); the stud 34 drops the ramp 38a so that the piston 23 is free, the stud 35 bears against the ramp 40a of the tooth 40 and controls the displacement of the piston 23 in the direction of the arrow f to bring the contact strip 28 against pads 3 and. In this position, the stud 34 is located in line with the ramp 38c, while the stud 35 escapes the tooth 40. The motor power is cut by the timer and the inverter is switched so that the device is ready for the circuit opening process.
Bien entendu, l'invention n'est pas limitée au mode de réalisation qui vient d'être décrit et représenté. On pourra y apporter de nombreuses modifications de détail sans sortir pour cela du cadre de l'invention. Of course, the invention is not limited to the embodiment which has just been described and shown. Many modifications of detail can be made without departing from the scope of the invention.

Claims

REVENDICATIONS
1. Dispositif de commande de la coupure et de la fermeture du circuit d'une batterie électrique du type comprenant une première cosse (5) destinée à être reliée à la batterie, une seconde cosse (6) destinée à être reliée à des circuits électriques à alimenter, chaque cosse (5, 6) comportant un plot de contact (3, 4), une barrette de contact (28) destinée, d'une part, à coopérer avec les plots pour assurer la fermeture du circuit et, d'autre part, à être écartée de ceux-ci pour réaliser la coupure, la barrette de contact (28) étant portée par un piston (23) mobile contre l'action d'un ressort (20) et guidé dans un logement (14) d'une carcasse (1) et commandé par un disque (33) solidaire d'une roue dentée (32) entraînée par une vis sans fin (12) calée sur l'arbre de sortie (11) d'un moteur électrique (10) avec un réducteur, caractérisé en ce que le disque comporte des tétons (34, 35) disposés sur un rayon dudit disque, l'un des tétons, le premier, étant disposé au voisinage de la périphérie du disque (33) , tandis que le second est situé au voisinage de l'axe de rotation de ce dernier, tandis que le piston (23) présente un creusage (38) avec une première rampe (38a) avec laquelle peut coopérer le premier téton (34) pour s'opposer au coulissement du piston dans le sens de la fermeture du circuit, la barrette de contact (28) étant écartée des plots (3, 4), et une seconde rampe (38b) avec laquelle peut coopérer le premier téton (34) pour s'opposer au coulissement du piston (23) dans le sens de l'ouverture, la barrette de contact (28) étant appliquée contre les plots (3, 4), le creusage (38) étant pourvu d'une dent (40) présentant une première et une seconde rampe (40a, 40b) , tandis que le second téton (35) porte contre la première rampe (40a) pour commander le coulissement du piston dans le sens de la fermeture et avec la seconde rampe (40b) dans le sens de l'ouverture, le moteur électrique (10) comportant des moyens de manière à tourner dans un sens pour commander l'ouverture et dans le sens opposé pour commander la fermeture.1. Control device for cutting and closing the circuit of an electric battery of the type comprising a first terminal (5) intended to be connected to the battery, a second terminal (6) intended to be connected to electrical circuits to supply, each terminal (5, 6) comprising a contact pad (3, 4), a contact strip (28) intended, on the one hand, to cooperate with the pads to ensure the closure of the circuit and, on the other hand, to be separated from them to make the cut, the contact strip (28) being carried by a piston (23) movable against the action of a spring (20) and guided in a housing (14) a carcass (1) and controlled by a disc (33) integral with a toothed wheel (32) driven by an endless screw (12) wedged on the output shaft (11) of an electric motor (10 ) with a reduction gear, characterized in that the disc has studs (34, 35) arranged on a radius of said disc, one of the studs, the first, and ant disposed in the vicinity of the periphery of the disc (33), while the second is located in the vicinity of the axis of rotation of the latter, while the piston (23) has a hollow (38) with a first ramp (38a ) with which the first stud (34) can cooperate to oppose the sliding of the piston in the direction of closing the circuit, the contact strip (28) being spaced from the studs (3, 4), and a second ramp ( 38b) with which the first stud (34) can cooperate to oppose the sliding of the piston (23) in the opening direction, the contact strip (28) being applied against the studs (3, 4), the hollow (38) being provided with a tooth (40) having a first and a second ramp (40a, 40b), while the second stud (35) bears against the first ramp (40a) for controlling the sliding of the piston in the closing direction and with the second ramp (40b) in the opening direction, the electric motor (10) comprising means so as to turn in one direction to control opening and in the opposite direction to control closing.
2. Dispositif de commande de la coupure et de la fermeture du circuit d'une batterie électrique, selon la revendication 1, caractérisé en ce que le moteur électrique (10) comporte des moyens pour commander la rotation du disque dans un sens et dans le sens opposé sur 180°. 2. Control device for cutting and closing the circuit of an electric battery, according to claim 1, characterized in that the electric motor (10) comprises means for controlling the rotation of the disc in one direction and in the opposite direction over 180 °.
3. Dispositif de commande de la coupure et de la fermeture du circuit d'une batterie électrique, selon la revendication 1, caractérisé en ce que le logement (14) de la carcasse (1) dans lequel est guidé le piston (23) comporte un creusage (19) dans lequel est logé un ressort de compression (20) tandis que le piston (23) est pourvu de deux doigts (25, 31) coopérant avec les extrémités du ressort (20) .3. Control device for cutting and closing the circuit of an electric battery, according to claim 1, characterized in that the housing (14) of the carcass (1) in which the piston (23) is guided comprises a hollow (19) in which is housed a compression spring (20) while the piston (23) is provided with two fingers (25, 31) cooperating with the ends of the spring (20).
4. Dispositif de commande de la coupure et de la fermeture du circuit d'une batterie électrique, selon la revendication 1, caractérisé en ce que le logement (14) de la carcasse (1) dans lequel est guidé le piston (23) comporte un axe (16) sur lequel tournent la roue dentée (32) et le disque (33), ledit axe traversant une fente oblongue (24) du piston (23) . 4. Control device for cutting and closing the circuit of an electric battery, according to claim 1, characterized in that the housing (14) of the carcass (1) in which the piston (23) is guided comprises an axis (16) on which the toothed wheel (32) and the disc (33) rotate, said axis passing through an oblong slot (24) of the piston (23).
EP04791519A 2003-11-03 2004-10-13 Control device for breaking and closing an electric battery circuit Expired - Lifetime EP1680793B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0312860A FR2861907B1 (en) 2003-11-03 2003-11-03 DEVICE FOR CONTROLLING THE CUT AND CLOSURE OF THE CIRCUIT OF AN ELECTRIC BATTERY
PCT/FR2004/002606 WO2005048279A1 (en) 2003-11-03 2004-10-13 Control device for breaking and closing an electric battery circuit

Publications (2)

Publication Number Publication Date
EP1680793A1 true EP1680793A1 (en) 2006-07-19
EP1680793B1 EP1680793B1 (en) 2010-11-03

Family

ID=34429840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04791519A Expired - Lifetime EP1680793B1 (en) 2003-11-03 2004-10-13 Control device for breaking and closing an electric battery circuit

Country Status (5)

Country Link
EP (1) EP1680793B1 (en)
AT (1) ATE487225T1 (en)
DE (1) DE602004029920D1 (en)
FR (1) FR2861907B1 (en)
WO (1) WO2005048279A1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
FR3025933A1 (en) * 2014-09-15 2016-03-18 Schneider Electric Ind Sas ELECTRO-MECHANICAL ACTUATOR AND ELECTRICAL CONTACTOR COMPRISING SUCH ACTUATOR

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Publication number Priority date Publication date Assignee Title
FR2879017B1 (en) * 2004-12-07 2012-07-27 Valeo Electronique Sys Liaison CONTROL ASSEMBLY, IN PARTICULAR FOR A DEVICE FOR OPENING AND CLOSING A CIRCUIT OF A BATTERY
FR2886046A1 (en) * 2005-05-18 2006-11-24 Valeo Electronique Sys Liaison Electrical circuit opening and closing control device for battery of vehicle, has nut connected to bar by rod such that, in rotating directions of screw, rod presses bar to close circuit and allows bar to open circuit, respectively
FR2890230B1 (en) * 2005-08-31 2007-10-12 Valeo Electronique Sys Liaison DEVICE FOR CONTROLLING THE CUT AND CLOSURE OF AN ELECTRICAL CIRCUIT
FR2896617B1 (en) * 2006-01-24 2009-11-20 Schneider Electric Ind Sas ACTUATING DEVICE FOR CONTROLLING THE RACE SPEED OF MOBILE CONTACTS IN A CONTACTOR
FR2902572B1 (en) * 2006-06-14 2014-05-23 Valeo Electronique Sys Liaison CAM PATH SWITCH COMPRISING A RAMP
FR3143835A1 (en) 2022-12-15 2024-06-21 Sonceboz Automotive S.A. Compact electrical contactor with low contact resistance

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FR1351460A (en) * 1962-11-16 1964-02-07 Europe Mfg Trust Switching Device Improvements
DE1563973A1 (en) * 1967-10-19 1971-04-15 Schaltbau Gmbh Switching device for electrical multi-voltage power supply of rail vehicles
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FR2841681B1 (en) * 2002-07-01 2004-10-01 Valeo Electronique Sys Liaison CIRCUIT BREAKING AND CLOSING CONTROL ASSEMBLY FOR AN ELECTRIC BATTERY

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3025933A1 (en) * 2014-09-15 2016-03-18 Schneider Electric Ind Sas ELECTRO-MECHANICAL ACTUATOR AND ELECTRICAL CONTACTOR COMPRISING SUCH ACTUATOR

Also Published As

Publication number Publication date
WO2005048279A1 (en) 2005-05-26
EP1680793B1 (en) 2010-11-03
FR2861907A1 (en) 2005-05-06
FR2861907B1 (en) 2005-12-30
ATE487225T1 (en) 2010-11-15
DE602004029920D1 (en) 2010-12-16

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