EP3830360B1 - Electromechanical actuator, screen driving system, closing installation or solar protection installation comprising such a system and method for replacing a battery in such an actuator or system - Google Patents

Electromechanical actuator, screen driving system, closing installation or solar protection installation comprising such a system and method for replacing a battery in such an actuator or system Download PDF

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Publication number
EP3830360B1
EP3830360B1 EP19745151.1A EP19745151A EP3830360B1 EP 3830360 B1 EP3830360 B1 EP 3830360B1 EP 19745151 A EP19745151 A EP 19745151A EP 3830360 B1 EP3830360 B1 EP 3830360B1
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EP
European Patent Office
Prior art keywords
flap
battery
actuator
housing
axis
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Application number
EP19745151.1A
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German (de)
French (fr)
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EP3830360A1 (en
Inventor
Héléna ROBERT
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Somfy Activites SA
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Somfy Activites SA
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Publication of EP3830360A1 publication Critical patent/EP3830360A1/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0666—Accessories

Definitions

  • the present invention relates to an electromechanical actuator, as well as a system for driving a movable screen in a closing or solar protection installation, this system comprising such an actuator.
  • the present invention also relates to a closing or solar protection installation including, inter alia, such a drive system, as well as a method for replacing at least one battery within such an electromechanical actuator or a such training system.
  • a closure or solar protection installation comprises a screen that can be moved between two so-called end-of-travel positions, in particular a roll-up screen, such as a flexible apron, for example an apron formed by blades hinged together or by an awning.
  • a roll-up screen such as a flexible apron, for example an apron formed by blades hinged together or by an awning.
  • Such an installation conventionally comprises a winding tube on which the roll-up screen is fixed and is rolled up or on which a cord or lace integral with this screen is wound.
  • Such an installation further comprises an electromechanical actuator which includes, inter alia, an electric motor and which is provided to drive the winding tube in rotation, in order to deploy or fold the screen according to the wishes of a user.
  • the actuator In some installations, it is possible to power the electric motor of the actuator from the mains, which is achieved by means of a conductive cable which runs to the actuator. In other installations, in particular in the event of renovation, the actuator must be able to operate autonomously, without being connected to the mains. In this case, it is known to FR-A-3 059 657 , of EP-A-3 219 888 or of KR-A-2010 0026289 to use one or more batteries to power the electric motor of the electromechanical actuator without needing to connect to the mains.
  • the document KR-A-20100026289 discloses in particular a tubular electromechanical actuator for driving a winding tube of a movable screen in a closing or solar protection installation, the tube being rotatable around an axis of rotation, the actuator comprising a casing and the tube contains a housing for receiving at least one battery for supplying current to an electric motor of the tubular electromechanical actuator, as well as an access opening to the receiving housing, this opening being formed on the side of a first end of the winding tube, in which the tubular electromechanical actuator comprises a flap for selective closing of the access opening to the reception housing, this flap being hinged with respect to the casing around an axis of articulation orthoradial to a longitudinal axis of the reception housing, and in which the flap is movable, in pivoting around its axis of articulation, between a first position where it closes the open ure access and a second position where it provides access to this opening.
  • the use of the drive system has the effect of progressively discharging the batteries which must be replaced during maintenance operations on the system.
  • the actuator it is not uncommon for the actuator to remain suspended, to the point that a cover closing off a battery receiving compartment is found in the lower part of the actuator and that, when this cover is removed, the batteries tend to slip out of their housing and fall to the floor. This requires the operator to search for them in order to recover them later, given the risk of pollution inherent in this kind of material. Handling the cover of the battery receiving compartment is all the more difficult since the operator generally has his hands occupied with one or more replacement batteries.
  • the invention more particularly intends to remedy by proposing a new system for driving a mobile screen within a closing or solar protection installation, in which the replacement of one or more Powering batteries from an electric motor is made easier.
  • the invention relates to a tubular electromechanical actuator for driving a winding tube of a movable screen for a closing or solar protection installation, this tube being movable in rotation around an axis of rotation.
  • a casing of the tubular electromechanical actuator defines a housing for receiving at least one battery, for supplying current to an electric motor of the tubular electromechanical actuator, as well as an access opening to the receiving housing , this opening being formed on the side of a first end of the winding tube.
  • the tubular electromechanical actuator comprises a flap for selective closing of the access opening to the receiving housing, while the flap is hinged with respect to the casing around an orthoradial hinge axis at a longitudinal axis of the receiving housing.
  • the flap is movable, in pivoting about its axis of articulation, between a first position where it closes the access opening and a second position where it allows access to this opening. In its second position, the flap bears against an abutment and forms an obstacle to the exit of the battery from the battery receiving housing.
  • the shutter for selective shutter of the access opening to the housing for receiving the battery or batteries can be easily manipulated by an operator and moved between its first and second positions, while remaining attached to the casing. of the tubular electromechanical actuator.
  • the flap forms an obstacle to the exit of the battery from the housing, there is no longer any risk of the battery coming out of this housing inadvertently since the flap performs a function of temporarily blocking the battery being removed from this housing.
  • the flap which is preferably made of synthetic material, and/or to offset the battery with respect to the housing, in order to remove the battery with a relief on the flap which forms an obstacle to its passage, which allows the battery to come out of the housing in a controlled manner.
  • the invention relates to a system for driving a mobile screen in a closing or solar protection installation, this system comprising a tube for rolling up the mobile screen, this tube being able to rotate around an axis of rotation and equipped, at its first end, with a terminal collar.
  • This system further comprises a tubular electromechanical actuator as mentioned above, the actuator being housed in the winding tube.
  • the stop, against which the shutter of the actuator bears in its second position, is formed by the end flange of the winding tube or by a head of the actuator, whereas, on its external face, which is turned opposite the receiving housing when it is in its first position, the flap carries a bearing zone against the flange or against the head of the actuator, this bearing zone being provided close to the axis articulation of the flap on the casing.
  • the flap can be pushed beyond its second position, so as to temporarily increase its opening angle relative to the casing, by means of an elastic deformation of the flap and/or the implementation of axial play between the actuator and the winding tube.
  • the invention relates to a closing or solar protection installation which comprises a screen movable by winding on a winding tube, as well as a drive system as mentioned above.
  • this method comprises a step e), subsequent to step d) and consisting in introducing a new battery into the housing through its opening, while the flap is in its second position.
  • the figure 1 represents a system 1 for driving a screen 6 forming a roll-up blind mounted in the upper part of an opening O of a door or window of a building.
  • This drive system 1 is part of a solar protection installation 200 which comprises, in addition to the drive system 1 and the screen 6, a box or box 4 inside which the drive system 1 is installed. .
  • the screen can be formed by a fabric or a set of blades hinged together. In the case of the application of the invention to a closure installation, the screen can be a grid.
  • the drive system 1 comprises an actuator 3 and a winding tube 5, rotatable about an axis X-X' which is horizontal in the mounted configuration of the installation 200 and which constitutes a longitudinal axis for the tube of winding 5.
  • the X-X' axis is a central axis or a reference axis of the drive system 1.
  • the terms “axial” and “radial” are used in reference to this central axis X-X'.
  • the drive system 1 also includes a compensation spring 7 making it possible to partially compensate for the torque exerted by the weight of the screen 6.
  • a compensation spring 7 making it possible to partially compensate for the torque exerted by the weight of the screen 6.
  • the actuator 3 is mounted at least partially inside the winding tube 5 and drives the latter in rotation around the axis XX' via a connecting piece 34 called the "drive wheel". ".
  • the winding tube 5 is mounted with the possibility of rotation in the box 4 by means of two rings 42 and 44 forming bearings each arranged near one end of this winding tube.
  • the actuator 3 extends along the central axis XX' and comprises a casing or tubular casing 30. Inside this tubular casing are housed a power supply assembly 26, comprising eight accumulator batteries 262 arranged one behind the other along the X-X' axis, an electronic control unit 31, an electric motor 33, as well as a reduction gear and a brake, not shown and which are optional.
  • the batteries 262 are, for example, of the LR14 type.
  • the casing 30 can be bipartite and the power supply assembly 26 can be housed in a first part of the tubular casing connected by a bundle of conductive wires to a second part of the tubular casing 30 in which the electronic circuit board is located. control 31 and the electric motor 33.
  • the electric motor 33 is preferably a direct current motor and has a stator 37 fixed relative to the casing 30 and a rotor 38 which drives, via the reducer, an output shaft 32.
  • This output shaft drives itself the winding tube 5 via the drive wheel 34 which is fixed in rotation both on the output shaft 32 and on the winding tube 5.
  • the electronic control unit 31 ensures the operation of the electric motor 33 by connecting, according to the movement orders received, for example from a remote control 70, the power supply assembly 26 and the electric motor 33.
  • the actuator 3 comprises a head 36 which protrudes outside the winding tube 5, as visible in the figure 2 and following.
  • the head 36 which can also be described as a "fixed point”, consists of two lugs 362 intended to cooperate with reliefs of corresponding shapes made on a support 46 fixed inside the box 4.
  • the head 36 allows to support the actuator 3 and the winding tube 5 on the support 46 side. fixed” for this actuator.
  • the head 36 is provided on the side of the end 52.
  • a shaft 40 connects an internal part of the ring 44 with the casing 4, in order to support the winding tube 5 in the casing 4.
  • the ring 42 forming a bearing on the side of the end 52 comprises a cylindrical part surrounding at least partly the casing 30 and/or the head 36 and a flange 56, which closes off the radial space which exists between this tube 5 and the casing 30 of actuator 3.
  • the part of the casing 30 which defines a housing L26 in which the various batteries 262 are arranged within the power supply assembly 26.
  • the part 30a is in one piece, or at the very least rigidly connected, with the part of the casing 30 which surrounds the components 31 and 33.
  • A26 denotes a longitudinal axis of the housing L26.
  • the axes XX' and A26 coincide.
  • the power supply assembly 26 comprises eight batteries 262. This number is not, however, limiting. The number of batteries need only be greater than or equal to one, the maximum number of batteries being limited by the maximum length desired for the actuator 3. The number of batteries is determined according to the supply voltage desired for the electric motor 33.
  • a flap 100 is hinged with respect to the casing 30 close to the end 52 of the winding tube 5 and the flange 56, around an axis Y100 which is orthoradial to the axis longitudinal A26, i.e. perpendicular to an axis radial to this axis A26 and not secant with this axis A26
  • the axis of articulation Y100 is materialized by a shaft 102 which is immobilized in the casing 30 and on which are pivotally mounted two branches 104a and 104b of the flap 100.
  • the axis of articulation Y100 is the longitudinal axis of tree 102.
  • the flap 100 is thus movable between a first position, shown in figure 2 and 3 in which it closes an opening O26 for access to the housing L26 on the side of the end 52, and a second position, represented in figures 4 to 8 and in which it provides access to this opening O26.
  • the shutter 100 is equipped with a drawer 106 movable in a direction D106 perpendicular to the axis Y100 and perpendicular to the axis A26 when the shutter 100 is in its first position.
  • This drawer 106 is provided, under the action of a spring not shown, to penetrate into a notch 306 provided on the internal radial surface of the casing 30, in the vicinity of the opening O26, in order to lock the flap 30 in its first blocking configuration of opening O26.
  • the drawer 106 can be maneuvered against the action of the spring, from the outer face 108 of the flap 100 by means of a tab 110, guided in translation in a notch 112 of this outer surface 108 and which is integral with the drawer 106.
  • the drawer 106 and the cleat 110 can be two parts of a single piece, as appears from the figure 7 .
  • drawer 106 is accessible from the outside when flap 100 is in its first position. Indeed, as seen in picture 3 , the drawer 106 protrudes slightly, radially to the axis A26, from the outer face 108 of the flap 100, so that it can be actuated directly, by inserting the tip of a screwdriver, or even the fingernail of a user , in a recess E106 provided between the flap 100 and an internal radial edge of the casing 30. It is thus possible to exert on the drawer 106 a force represented by the arrow F8 which is parallel to the direction D106 and directed towards the axis Y100, in order to disengage drawer 106 from notch 306.
  • two pictograms 114 and 116 make it possible to identify the maneuver to be carried out to unlock the flap 100, that is to say to remove the drawer 106 from the notch 306.
  • Note 120 the internal face of the flap 100 which is turned towards the housing L26 when this flap is in its first configuration.
  • the inner face 120 is opposite the outer face 108 which itself is opposite the housing L26 when the flap 100 is in its first position.
  • This internal face 120 is equipped with a metal tab 122 which is elastically deformable and which is provided to bear against the negative terminal 264 of the battery 262 arranged, inside the housing L26, as close as possible to the flap 100.
  • the elastically deformable nature of the tongue 122 makes it possible to take up, at least in part, any possible axial play between the batteries 262 arranged inside the housing L26, this axial play possibly resulting from the manufacturing tolerances of these batteries.
  • the tongue 122 or the dome used in place of this tongue, is connected to an electrical wire, not shown, which circulates in a grommet, also not shown.
  • An additional advantage of the elastic tongue 122 is to allow, when the flap 100 is in the closed configuration, to dampen the stack of batteries in the event of a fall from the tubular electromechanical actuator 3.
  • the flap 100 comprises, in addition to its one-piece main part which defines the outer face 108, the lugs 104a and 104b and the notch 112, a plate 126 which supports the tab 122, or the stud or metal dome used in its place, and which is immobilized on this main part by two screws 128.
  • the plate 126 also makes it possible to guide the part forming the drawer 106 in translation in the direction D106.
  • the flap 100 bears by its outer face 108 against the collar 56.
  • A100 denotes an axis perpendicular to the axis Y100 and parallel to the outer face 108 of the flap 100.
  • the axis A100 is parallel to the direction D106.
  • ⁇ the angle formed between the axes XX' and A100 or the axes A26 and A100, in the plane of the figure 7 .
  • the angle ⁇ is the opening angle of the flap 100 in its second position.
  • This opening angle ⁇ is limited by the support of the external face 108 against the flange 56. More precisely, the external face 108 of the flap 100 comes into contact, by a portion 108a represented in shaded picture 3 , against an inner edge 56a of the collar 56 of the ring 42. The inner edge 56a is optionally chamfered, as shown in the figures. Portion 108a is formed near the base of tabs 104a and 104b, near axis Y100.
  • the value of the angle ⁇ depends on the geometry of the flap 100 and the collar 56 as well as the relative positioning, along the axis A26, of the axis Y100 and of the collar.
  • the collar 56 is flush with the end of the part 30a of the casing 30 which defines the opening O26.
  • the internal edge 56a of the collar 56 and the external face 108 of the flap 100 extend in the same plane perpendicular to the axis A26.
  • the flap 100 is dimensioned, the axis Y100 is positioned relative to the casing 30, and the flange 56 is configured such that, in the second configuration of this flap 100, a relief 124 provided on the internal face 120 of the flap 100 is on the exit path of part of the edge 268 when the latter is moved in the direction of the arrow F2.
  • the opening angle ⁇ is limited by the support of the external face 108 against an internal edge of the head 36.
  • the flap 100 bears against a peripheral ring 364 of the head 36, preferably an internal edge of this head.
  • the flap 100 bears against an abutment formed by the end collar 56 or by the head 36 and forms an obstacle to a rapid, or accidental, exit of a battery 262 towards the exterior of the housing. L26.
  • the shutter 100 is capable of retaining a battery 262 inside the housing L26 for the time necessary for the operator to position his hand in order to receive this battery 262 coming out of the housing L26, with a minimum risk of drop this battery to the ground.
  • the relief 124 is a projecting edge formed by the plate 126.
  • the plate 126 in fact forms an extra thickness on the internal face 120 of the flap 100, which remains aligned with the opening O26 when the flap 100 is open. In any event, relief 124 is strong enough to withstand the weight of battery stack 262 present in housing L26.
  • the part of the flap 100 which forms an obstacle to the extraction of the batteries 262 is a portion of the plate 126 other than its edge 124, in particular the part of this plate visible on the left of the edge 124 in the figure 6 and 7 .
  • the part of the flap 100 which forms an obstacle to the extraction of the batteries is the main part which defines the external face 108, the tabs 104a and 104b and the notch 112.
  • this approach makes use of the elastic properties of the material constituting the main part of the flap 100, apart from the drawer 106 and the tongue 122, which material is advantageously a synthetic material of the polycarbonate type (ABS/PC).
  • ABS/PC polycarbonate type
  • this third position of the flap 100 is reached by making use of axial or radial clearances between the winding tube 5 and the actuator 3.
  • the battery 262 being taken out of the housing L26 can be pivoted inside the housing L26, in order to disengage its edge 268 from the obstacle 124.
  • A262 denotes the longitudinal axis of a battery 262, this axis being perpendicular to the surface 266 and central with respect to the surface 267 and to the edge 268.
  • the inside diameter d26 of the housing L26 can be provided slightly larger than the outside diameter D262 of a battery 262, so that the battery 262 can be pivoted in the vicinity of the opening O26 while still being engaged in the housing L26, in the direction of arrow F6 at figure 7 , so as to shift or offset the axes A262 and A26 and to move its edge 268 away from the obstacle 124.
  • the operator implements both the additional pivoting of the flap 100, in the direction of the arrow F4, and the offset of the battery 262, in the direction of the arrow F6, to release the battery 262 from the flap 100 and allow it to easily come out of the housing L26.
  • the exit of the battery 262 from the housing L26 can be obtained by pulling on it or by letting gravity act, when the casing 30 is arranged approximately vertically, with its opening O26 directed downwards.
  • the operator can remove the batteries 262 one by one from the housing 26 since, as soon as he stops pushing on the flap 100 to move it towards the third position, the latter springs back towards its second position. in which it blocks the next battery as soon as the previous battery is removed.
  • the batteries remaining in the casing 30 move in the casing 30 in the direction of the axis A262 and therefore find themselves systematically blocked against the flap 100, before being pivoted manually to be extracted from the casing 30 .
  • an elastic return member 130 is provided on the flap 110.
  • this elastic member 130 is arranged between the flap 100 and the casing 30, being elastically deformed.
  • the elastic member 130 can be in one piece with the main part of this flap which forms the face 108 and the lugs 104a and 104b or with the plate 126.
  • this elastic member is preferably made of synthetic material.
  • this elastic member can be attached to the main part of the flap 100. In this case, it can be a metal tab.
  • the recess E106 provided between the flap 100 and the internal radial edge of the casing 30 can also be used to allow the opening of the flap in the event that the elastic member no longer fulfills its function. It is thus possible to exert at the level of the recess a lever force on the flap 100, by inserting the tip of a screwdriver, or even the fingernail of a user at the level of the recess, to open the flap. 100.
  • the internal face 120 of the flap 100 is provided with two pictograms 132 and 134 respectively indicating the direction and the direction of introduction of a battery 262' into the housing L26.
  • the pictograms 132 and 134 affixed to the internal face 120 of the flap 100 can include an indication of the number of batteries to be introduced into the housing L26.
  • the flap 100 constitutes a reversible closing hatch of the opening O26 of the housing L26.
  • This flap 100 makes it possible to secure the process for changing the batteries 262 of the actuator 3 by facilitating the work of the operator for whom the risk of dropping a battery is greatly reduced.
  • the flap 100 also makes it possible to make electrical contact with the stack of batteries 262 present in the housing L26 and to indicate to the operator the direction of introduction of the batteries into this housing, or even their number.
  • an articulation spring can be provided at the articulation between the flap 100 and the casing 30, to return the flap 100 to its first position, which makes the action of blocking obtained with the relief 124, including when the weight of the stack of batteries is relatively high.
  • This is particularly advantageous in the embodiment in which the abutment of the flap 100 is made directly against an internal edge of the head 36. This embodiment is thus independent of the elastic properties of the materials or of the axial or radial clearances to maintain and/or remove the batteries.
  • the shutter 100 is described above in the case of its implementation within a solar protection installation. It can also be implemented within a closing installation.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Battery Mounting, Suspending (AREA)

Description

La présente invention concerne un actionneur électromécanique, ainsi qu'un système d'entraînement d'un écran mobile dans une installation de fermeture ou de protection solaire, ce système comprenant un tel actionneur. La présente invention concerne également une installation de fermeture ou de protection solaire incluant, entre autres, un tel système d'entraînement, ainsi qu'un procédé de remplacement d'au moins une batterie au sein d'un tel actionneur électromécanique ou d'un tel système d'entraînement.The present invention relates to an electromechanical actuator, as well as a system for driving a movable screen in a closing or solar protection installation, this system comprising such an actuator. The present invention also relates to a closing or solar protection installation including, inter alia, such a drive system, as well as a method for replacing at least one battery within such an electromechanical actuator or a such training system.

De façon connue, une installation de fermeture ou de protection solaire comprend un écran déplaçable entre deux positions dites de fin de course, en particulier un écran enroulable, tel qu'un tablier souple, par exemple un tablier formé par des lames articulées entre elles ou par une toile de store. Une telle installation comprend classiquement un tube d'enroulement sur lequel est fixé et s'enroule l'écran enroulable ou sur lequel s'enroule un cordon ou une lacette solidaire de cet écran. Une telle installation comprend en outre un actionneur électromécanique qui inclut, entre autres, un moteur électrique et qui est prévu pour entraîner le tube d'enroulement en rotation, afin de déployer ou de replier l'écran selon les souhaits d'un utilisateur.In known manner, a closure or solar protection installation comprises a screen that can be moved between two so-called end-of-travel positions, in particular a roll-up screen, such as a flexible apron, for example an apron formed by blades hinged together or by an awning. Such an installation conventionally comprises a winding tube on which the roll-up screen is fixed and is rolled up or on which a cord or lace integral with this screen is wound. Such an installation further comprises an electromechanical actuator which includes, inter alia, an electric motor and which is provided to drive the winding tube in rotation, in order to deploy or fold the screen according to the wishes of a user.

Dans certaines installations, il est possible d'alimenter le moteur électrique de l'actionneur à partir du secteur, ce qui est réalisé au moyen d'un câble conducteur qui circule jusqu'à l'actionneur. Dans d'autres installations, en particulier en cas de rénovation, l'actionneur doit pouvoir fonctionner de façon autonome, sans être relié au secteur. Dans ce cas, il est connu de FR-A-3 059 657 , de EP-A-3 219 888 ou de KR-A-2010 0026289 d'utiliser une ou plusieurs batteries permettant d'alimenter le moteur électrique de l'actionneur électromécanique sans avoir besoin de se brancher sur le secteur. Le document KR-A-20100026289 divulgue en particulier un actionneur électromécanique tubulaire d'entraînement d'un tube d'enroulement d'un écran mobile dans une installation de fermeture ou de protection solaire, le tube étant mobile en rotation autour d'un axe de rotation, l'actionneur comprenant un carter et le tube contient un logement de réception d'au moins une batterie pour l'alimentation en courant d'un moteur électrique de l'actionneur électromécanique tubulaire, ainsi qu'une ouverture d'accès au logement de réception, cette ouverture étant ménagée du côté d'une première extrémité du tube d'enroulement, dans lequel l'actionneur électromécanique tubulaire comprend un volet d'obturation sélective de l'ouverture d'accès au logement de réception, ce volet étant articulé par rapport au carter autour d'un axe d'articulation orthoradial à un axe longitudinal du logement de réception, et dans lequel le volet est mobile, en pivotement autour de son axe d'articulation, entre une première position où il ferme l'ouverture d'accès et une deuxième position où il laisse accès à cette ouverture.In some installations, it is possible to power the electric motor of the actuator from the mains, which is achieved by means of a conductive cable which runs to the actuator. In other installations, in particular in the event of renovation, the actuator must be able to operate autonomously, without being connected to the mains. In this case, it is known to FR-A-3 059 657 , of EP-A-3 219 888 or of KR-A-2010 0026289 to use one or more batteries to power the electric motor of the electromechanical actuator without needing to connect to the mains. The document KR-A-20100026289 discloses in particular a tubular electromechanical actuator for driving a winding tube of a movable screen in a closing or solar protection installation, the tube being rotatable around an axis of rotation, the actuator comprising a casing and the tube contains a housing for receiving at least one battery for supplying current to an electric motor of the tubular electromechanical actuator, as well as an access opening to the receiving housing, this opening being formed on the side of a first end of the winding tube, in which the tubular electromechanical actuator comprises a flap for selective closing of the access opening to the reception housing, this flap being hinged with respect to the casing around an axis of articulation orthoradial to a longitudinal axis of the reception housing, and in which the flap is movable, in pivoting around its axis of articulation, between a first position where it closes the open ure access and a second position where it provides access to this opening.

L'utilisation du système d'entraînement a pour effet de décharger progressivement les batteries qui doivent être remplacées au cours d'opérations de maintenance du système. Dans ce cas, il n'est pas rare que l'actionneur demeure suspendu, au point qu'un couvercle d'obturation d'un logement de réception de batterie se retrouve en partie basse de l'actionneur et que, lorsque ce couvercle est retiré, les batteries ont tendance à glisser hors de leur logement et à chuter au sol. Ceci impose à l'opérateur de les rechercher pour les récupérer ensuite, compte tenu du risque de pollution inhérent à ce genre de matériel. La manipulation du couvercle du logement de réception des batteries est d'autant plus délicate que l'opérateur a généralement les mains occupées par une ou plusieurs batteries de remplacement.The use of the drive system has the effect of progressively discharging the batteries which must be replaced during maintenance operations on the system. In this case, it is not uncommon for the actuator to remain suspended, to the point that a cover closing off a battery receiving compartment is found in the lower part of the actuator and that, when this cover is removed, the batteries tend to slip out of their housing and fall to the floor. This requires the operator to search for them in order to recover them later, given the risk of pollution inherent in this kind of material. Handling the cover of the battery receiving compartment is all the more difficult since the operator generally has his hands occupied with one or more replacement batteries.

C'est à ces problèmes qu'entend plus particulièrement remédier l'invention en proposant un nouveau système d'entraînement d'un écran mobile au sein d'une installation de fermeture ou de protection solaire, dans lequel le remplacement d'une ou plusieurs batteries d'alimentation d'un moteur électrique est facilité.It is these problems that the invention more particularly intends to remedy by proposing a new system for driving a mobile screen within a closing or solar protection installation, in which the replacement of one or more Powering batteries from an electric motor is made easier.

A cet effet, l'invention concerne un actionneur électromécanique tubulaire d'entraînement d'un tube d'enroulement d'un écran mobile pour une installation de fermeture ou de protection solaire, ce tube étant mobile en rotation autour d'un axe de rotation. Un carter de l'actionneur électromécanique tubulaire définit un logement de réception d'au moins une batterie, pour l'alimentation en courant d'un moteur électrique de l'actionneur électromécanique tubulaire, ainsi qu'une ouverture d'accès au logement de réception, cette ouverture étant ménagée du côté d'une première extrémité du tube d'enroulement. Conformément à l'invention, l'actionneur électromécanique tubulaire comprend un volet d'obturation sélective de l'ouverture d'accès au logement de réception, alors que le volet est articulé par rapport au carter autour d'un axe d'articulation orthoradial à un axe longitudinal du logement de réception. En outre, le volet est mobile, en pivotement autour de son axe d'articulation, entre une première position où il ferme l'ouverture d'accès et une deuxième position où il laisse accès à cette ouverture. Dans sa deuxième position, le volet est en appui contre une butée et forme un obstacle à la sortie de la batterie hors du logement de réception de la batterie.To this end, the invention relates to a tubular electromechanical actuator for driving a winding tube of a movable screen for a closing or solar protection installation, this tube being movable in rotation around an axis of rotation. . A casing of the tubular electromechanical actuator defines a housing for receiving at least one battery, for supplying current to an electric motor of the tubular electromechanical actuator, as well as an access opening to the receiving housing , this opening being formed on the side of a first end of the winding tube. In accordance with the invention, the tubular electromechanical actuator comprises a flap for selective closing of the access opening to the receiving housing, while the flap is hinged with respect to the casing around an orthoradial hinge axis at a longitudinal axis of the receiving housing. In addition, the flap is movable, in pivoting about its axis of articulation, between a first position where it closes the access opening and a second position where it allows access to this opening. In its second position, the flap bears against an abutment and forms an obstacle to the exit of the battery from the battery receiving housing.

Grâce à l'invention, le volet d'obturation sélective de l'ouverture d'accès au logement de réception de la ou des batteries peut être aisément manipulé par un opérateur et déplacé entre ses première et deuxième positions, tout en demeurant accroché au carter de l'actionneur électromécanique tubulaire. Comme, dans sa deuxième position, le volet forme un obstacle à la sortie de la batterie hors du logement, il n'y a plus de risque que la batterie sorte de façon intempestive de ce logement puisque le volet assure une fonction de blocage temporaire de la batterie en cours d'extraction de ce logement. Lorsque l'opérateur veut effectivement extraire la batterie du logement, il lui est possible de jouer sur la souplesse du volet, qui est de préférence réalisé en matériau synthétique, et/ou de désaxer la batterie par rapport au logement, afin d'écarter la batterie d'un relief du volet qui forme un obstacle à son passage, ce qui permet à la batterie de sortir du logement de façon contrôlée.By virtue of the invention, the shutter for selective shutter of the access opening to the housing for receiving the battery or batteries can be easily manipulated by an operator and moved between its first and second positions, while remaining attached to the casing. of the tubular electromechanical actuator. As, in its second position, the flap forms an obstacle to the exit of the battery from the housing, there is no longer any risk of the battery coming out of this housing inadvertently since the flap performs a function of temporarily blocking the battery being removed from this housing. When the operator actually wants to extract the battery from the housing, it is possible for him to play on the flexibility of the flap, which is preferably made of synthetic material, and/or to offset the battery with respect to the housing, in order to remove the battery with a relief on the flap which forms an obstacle to its passage, which allows the battery to come out of the housing in a controlled manner.

Selon des aspects avantageux mais non obligatoires de l'invention, un tel système d'entraînement peut incorporer une ou plusieurs des caractéristiques suivantes, prises selon toute combinaison techniquement admissible :

  • Sur sa face interne, qui est tournée vers le logement de réception lorsqu'il est dans sa première position, le volet est pourvu d'un relief destiné à venir en appui contre la batterie lorsque la batterie tend à sortir du logement de réception et lorsque le volet est dans sa deuxième position.
  • L'axe d'articulation est défini par l'axe central d'un arbre immobilisé sur le carter et autour duquel sont montées pivotantes deux pattes du volet.
  • Le volet est équipé d'un mécanisme de verrouillage dans sa première position, ce mécanisme de verrouillage comprenant, de préférence, un tiroir mobile selon une direction perpendiculaire à l'axe d'articulation du volet et radial à un axe longitudinal du logement de réception lorsque le volet est dans sa première position.
  • Le système comprend un organe élastique de renvoi du volet de sa première position vers sa deuxième position, cet organe élastique étant, de préférence, monté sur un premier élément, parmi le volet et le carter, et disposé, lorsque le volet est dans sa première position, entre le volet et le carter en étant déformé élastiquement par le deuxième élément, parmi le volet et le carter.
  • Le volet est équipé, sur sa face interne qui est tournée vers le logement de réception lorsqu'il est dans sa première position, d'un organe de contact électrique avec la batterie la plus proche disposée dans le logement de réception, de préférence sous la forme d'une languette métallique.
According to advantageous but non-obligatory aspects of the invention, such a drive system may incorporate one or more of the following characteristics, taken in any technically permissible combination:
  • On its internal face, which is turned towards the reception housing when it is in its first position, the flap is provided with a relief intended to bear against the battery when the battery tends to come out of the reception housing and when the shutter is in its second position.
  • The axis of articulation is defined by the central axis of a shaft immobilized on the casing and around which are pivotally mounted two tabs of the shutter.
  • The flap is equipped with a locking mechanism in its first position, this locking mechanism preferably comprising a movable drawer in a direction perpendicular to the axis of articulation of the flap and radial to a longitudinal axis of the receiving housing when the flap is in its first position.
  • The system comprises an elastic member for returning the flap from its first position to its second position, this elastic member being, preferably, mounted on a first element, among the flap and the casing, and disposed, when the flap is in its first position, between the flap and the casing while being elastically deformed by the second element, among the flap and the casing.
  • The flap is equipped, on its internal face which is turned towards the reception housing when it is in its first position, with an electrical contact member with the nearest battery arranged in the reception housing, preferably under the form of a metal tab.

Selon un deuxième aspect, l'invention concerne un système d'entraînement d'un écran mobile dans une installation de fermeture ou de protection solaire, ce système comprenant un tube d'enroulement de l'écran mobile, ce tube étant mobile en rotation autour d'un axe de rotation et équipé, à sa première extrémité, d'une collerette terminale. Ce système comprend, en outre, un actionneur électromécanique tubulaire tel que mentionné ci-dessus, l'actionneur étant logé dans le tube d'enroulement. La butée, contre laquelle le volet de l'actionneur est en appui dans sa deuxième position, est formée par la collerette terminale du tube d'enroulement ou par une tête de l'actionneur, alors que, sur sa face externe, qui est tournée à l'opposé du logement de réception lorsqu'il est dans sa première position, le volet porte une zone d'appui contre la collerette ou contre la tête de l'actionneur, cette zone d'appui étant ménagée à proximité de l'axe d'articulation du volet sur le carter.According to a second aspect, the invention relates to a system for driving a mobile screen in a closing or solar protection installation, this system comprising a tube for rolling up the mobile screen, this tube being able to rotate around an axis of rotation and equipped, at its first end, with a terminal collar. This system further comprises a tubular electromechanical actuator as mentioned above, the actuator being housed in the winding tube. The stop, against which the shutter of the actuator bears in its second position, is formed by the end flange of the winding tube or by a head of the actuator, whereas, on its external face, which is turned opposite the receiving housing when it is in its first position, the flap carries a bearing zone against the flange or against the head of the actuator, this bearing zone being provided close to the axis articulation of the flap on the casing.

Avantageusement, le volet peut être poussé au-delà de sa deuxième position, de façon à augmenter temporairement son angle d'ouverture par rapport au carter, moyennant une déformation élastique du volet et/ou la mise en œuvre de jeux axiaux entre l'actionneur et le tube d'enroulement.Advantageously, the flap can be pushed beyond its second position, so as to temporarily increase its opening angle relative to the casing, by means of an elastic deformation of the flap and/or the implementation of axial play between the actuator and the winding tube.

Selon un troisième aspect, l'invention concerne une installation de fermeture ou de protection solaire qui comprend un écran mobile par enroulement sur un tube d'enroulement, ainsi qu'un système d'entraînement tel que mentionné ci-dessus.According to a third aspect, the invention relates to a closing or solar protection installation which comprises a screen movable by winding on a winding tube, as well as a drive system as mentioned above.

Selon un quatrième aspect, l'invention concerne un procédé de remplacement d'au moins une batterie appartenant à un actionneur électromécanique ou à un système d'entraînement tels que mentionnés ci-dessus, ce procédé comprenant au moins des étapes consistant à :

  1. a) faire pivoter le volet de sa première position vers sa deuxième position ;
  2. b) amener ou laisser coulisser la batterie vers l'extérieur du logement de réception, selon une direction parallèle à un axe longitudinal de ce logement, jusqu'à ce que la batterie vienne en appui contre le volet ;
  3. c) pousser le volet au-delà de sa deuxième position et/ou désaxer la batterie par rapport à l'axe longitudinal, de façon à dégager la batterie du volet et
  4. d) tirer ou laisser coulisser la batterie hors du logement.
According to a fourth aspect, the invention relates to a method for replacing at least one battery belonging to an electromechanical actuator or to a drive system as mentioned above, this method comprising at least steps consisting of:
  1. a) pivoting the flap from its first position to its second position;
  2. b) bring or allow the battery to slide out of the receiving housing, in a direction parallel to a longitudinal axis of this housing, until the battery comes to rest against the flap;
  3. c) pushing the flap beyond its second position and/or offsetting the battery with respect to the longitudinal axis, so as to disengage the battery from the flap and
  4. d) pull or slide the battery out of the housing.

Avantageusement, ce procédé comprend une étape e), postérieure à l'étape d) et consistant à introduire une nouvelle batterie dans le logement à travers son ouverture, alors que le volet est dans sa deuxième position.Advantageously, this method comprises a step e), subsequent to step d) and consisting in introducing a new battery into the housing through its opening, while the flap is in its second position.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaîtront plus clairement à la lumière de la description qui va suivre, d'un mode de réalisation d'un système d'entraînement et d'une installation de protection solaire conformes à son principe, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une coupe schématique axiale d'une installation de protection solaire conforme à l'invention ;
  • la figure 2 est une vue en perspective d'une extrémité d'un tube d'enroulement et d'un actionneur de l'installation de la figure 1, lorsqu'un volet est dans une première position ;
  • la figure 3 est une vue de face de la partie de l'installation représentée à la figure 2, dans le sens de la flèche III sur cette figure ;
  • la figure 4 est une vue en perspective de la même partie de l'installation, lorsque le volet est dans une deuxième position et lorsqu'une batterie est en cours d'extraction ;
  • la figure 5 est une vue en perspective de la même partie de l'installation, dans la même configuration, selon un autre angle ;
  • la figure 6 est une vue de côté de la partie de l'installation représentée aux figures 4 et 5 ;
  • la figure 7 est une coupe longitudinale dans le plan VII à la figure 4 ;
  • la figure 8 est une vue en perspective de la même partie de l'installation, lors de l'introduction d'une batterie dans un logement prévu à cet effet.
The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description, of an embodiment of a drive system and of a solar protection installation in accordance principle, given solely by way of example and made with reference to the appended drawings in which:
  • the figure 1 is a schematic axial section of a solar protection installation according to the invention;
  • the picture 2 is a perspective view of one end of a winding tube and an actuator of the installation of the figure 1 , when a flap is in a first position;
  • the picture 3 is a front view of the part of the installation shown in picture 2 , in the direction of the arrow III in this figure;
  • the figure 4 is a perspective view of the same part of the installation, when the flap is in a second position and when a battery is being extracted;
  • the figure 5 is a perspective view of the same part of the installation, in the same configuration, from another angle;
  • the figure 6 is a side view of the part of the installation shown in figure 4 and 5 ;
  • the figure 7 is a longitudinal section in plane VII at figure 4 ;
  • the figure 8 is a perspective view of the same part of the installation, during the introduction of a battery into a housing provided for this purpose.

La figure 1 représente un système 1 d'entraînement d'un écran 6 formant un store enroulable monté en partie supérieure d'une ouverture O de porte ou de fenêtre d'un bâtiment. Ce système d'entraînement 1 fait partie d'une installation de protection solaire 200 qui comprend, outre le système d'entraînement 1 et l'écran 6, un caisson ou coffre 4 à l'intérieur duquel est installé le système d'entraînement 1.The figure 1 represents a system 1 for driving a screen 6 forming a roll-up blind mounted in the upper part of an opening O of a door or window of a building. This drive system 1 is part of a solar protection installation 200 which comprises, in addition to the drive system 1 and the screen 6, a box or box 4 inside which the drive system 1 is installed. .

L'écran peut être formé par une toile ou un ensemble de lames articulées entre elles. Dans le cas de l'application de l'invention à une installation de fermeture, l'écran peut être une grille.The screen can be formed by a fabric or a set of blades hinged together. In the case of the application of the invention to a closure installation, the screen can be a grid.

Le système d'entraînement 1 comprend un actionneur 3 et un tube d'enroulement 5, mobile en rotation autour d'un axe X-X' qui est horizontal en configuration montée de l'installation 200 et qui constitue un axe longitudinal pour le tube d'enroulement 5. L'axe X-X' est un axe central ou un axe de référence du système d'entraînement 1. Dans ce qui suit, sauf mention contraire, les termes « axial » et « radial » sont employés en référence à cet axe central X-X'.The drive system 1 comprises an actuator 3 and a winding tube 5, rotatable about an axis X-X' which is horizontal in the mounted configuration of the installation 200 and which constitutes a longitudinal axis for the tube of winding 5. The X-X' axis is a central axis or a reference axis of the drive system 1. In what follows, unless otherwise stated, the terms "axial" and "radial" are used in reference to this central axis X-X'.

Dans cet exemple de réalisation, le système d'entraînement 1 comprend également un ressort de compensation 7 permettant de compenser partiellement le couple exercé par le poids de l'écran 6. Ceci n'est toutefois pas obligatoire.In this exemplary embodiment, the drive system 1 also includes a compensation spring 7 making it possible to partially compensate for the torque exerted by the weight of the screen 6. However, this is not compulsory.

L'actionneur 3 est monté au moins partiellement à l'intérieur du tube d'enroulement 5 et entraîne celui-ci en rotation autour de l'axe X-X' par l'intermédiaire d'une pièce de liaison 34 dite « roue d'entraînement ». Le tube d'enroulement 5 est monté avec possibilité de rotation dans le coffre 4 par l'intermédiaire de deux bagues 42 et 44 formant des paliers disposés chacun au voisinage d'une extrémité de ce tube d'enroulement. L'actionneur 3 s'étend le long de l'axe central X-X' et comprend une enveloppe ou carter tubulaire 30. A l'intérieur de ce carter tubulaire sont logés un ensemble d'alimentation 26, comprenant huit batteries d'accumulateurs 262 disposées les unes derrière les autres le long de l'axe X-X', une unité électronique de pilotage 31, un moteur électrique 33, ainsi qu'un réducteur et un frein non représentés et qui sont optionnels. Les batteries 262 sont, par exemple, de type LR14.The actuator 3 is mounted at least partially inside the winding tube 5 and drives the latter in rotation around the axis XX' via a connecting piece 34 called the "drive wheel". ". The winding tube 5 is mounted with the possibility of rotation in the box 4 by means of two rings 42 and 44 forming bearings each arranged near one end of this winding tube. The actuator 3 extends along the central axis XX' and comprises a casing or tubular casing 30. Inside this tubular casing are housed a power supply assembly 26, comprising eight accumulator batteries 262 arranged one behind the other along the X-X' axis, an electronic control unit 31, an electric motor 33, as well as a reduction gear and a brake, not shown and which are optional. The batteries 262 are, for example, of the LR14 type.

En variante, le carter 30 peut être bipartite et l'ensemble d'alimentation 26 peut être logé dans une première partie du carter tubulaire connectée par un faisceau de fils conducteurs à une deuxième partie du carter tubulaire 30 dans laquelle se trouvent la carte électronique de pilotage 31 et le moteur électrique 33.As a variant, the casing 30 can be bipartite and the power supply assembly 26 can be housed in a first part of the tubular casing connected by a bundle of conductive wires to a second part of the tubular casing 30 in which the electronic circuit board is located. control 31 and the electric motor 33.

Le moteur électrique 33 est, de préférence, un moteur à courant continu et présente un stator 37 fixe par rapport au carter 30 et un rotor 38 qui entraîne, par l'intermédiaire du réducteur, un arbre de sortie 32. Cet arbre de sortie entraîne lui-même le tube d'enroulement 5 par l'intermédiaire de la roue d'entraînement 34 qui est fixée en rotation à la fois sur l'arbre de sortie 32 et sur le tube d'enroulement 5. L'unité électronique de pilotage 31 assure le fonctionnement du moteur électrique 33 en mettant en relation, selon les ordres de déplacement reçus, par exemple de la part d'une télécommande 70, l'ensemble d'alimentation 26 et le moteur électrique 33.The electric motor 33 is preferably a direct current motor and has a stator 37 fixed relative to the casing 30 and a rotor 38 which drives, via the reducer, an output shaft 32. This output shaft drives itself the winding tube 5 via the drive wheel 34 which is fixed in rotation both on the output shaft 32 and on the winding tube 5. The electronic control unit 31 ensures the operation of the electric motor 33 by connecting, according to the movement orders received, for example from a remote control 70, the power supply assembly 26 and the electric motor 33.

L'actionneur 3 comporte une tête 36 qui fait saillie à l'extérieur du tube d'enroulement 5, comme visible aux figures 2 et suivantes. La tête 36, qui peut également être qualifiée de « point fixe », est constituée de deux oreilles 362 destinées à coopérer avec des reliefs de formes correspondantes ménagés sur un support 46 fixé à l'intérieur du caisson 4. Ainsi, la tête 36 permet de supporter l'actionneur 3 et le tube d'enroulement 5 du côté du support 46. La tête 36 permet, en outre, une reprise de couple en sortie de l'actionneur 3. C'est pourquoi elle peut être qualifiée de « point fixe » pour cet actionneur.The actuator 3 comprises a head 36 which protrudes outside the winding tube 5, as visible in the figure 2 and following. The head 36, which can also be described as a "fixed point", consists of two lugs 362 intended to cooperate with reliefs of corresponding shapes made on a support 46 fixed inside the box 4. Thus, the head 36 allows to support the actuator 3 and the winding tube 5 on the support 46 side. fixed” for this actuator.

On note 52 l'extrémité du tube d'enroulement tournée vers le support 46. On note 54 l'extrémité opposée du tube d'enroulement 5.Note 52 the end of the winding tube facing the support 46. Note 54 the opposite end of the winding tube 5.

La tête 36 est prévue du côté de l'extrémité 52.The head 36 is provided on the side of the end 52.

Du côté de l'extrémité 54, un arbre 40 relie une partie interne de la bague 44 avec le caisson 4, afin de supporter le tube d'enroulement 5 dans le caisson 4.On the side of the end 54, a shaft 40 connects an internal part of the ring 44 with the casing 4, in order to support the winding tube 5 in the casing 4.

La bague 42 formant palier du côté de l'extrémité 52 comprend une partie cylindrique entourant au moins en partie le carter 30 et/ou la tête 36 et une collerette 56, qui obture l'espace radial qui existe entre ce tube 5 et le carter 30 de l'actionneur 3.The ring 42 forming a bearing on the side of the end 52 comprises a cylindrical part surrounding at least partly the casing 30 and/or the head 36 and a flange 56, which closes off the radial space which exists between this tube 5 and the casing 30 of actuator 3.

On note 30a la partie du carter 30 qui définit un logement L26 dans lequel sont disposées les différentes batteries 262 au sein de l'ensemble d'alimentation 26. Ici, la partie 30a est monobloc, ou à tout le moins rigidement liée, avec la partie du carter 30 qui entoure les composants 31 et 33.Note 30a the part of the casing 30 which defines a housing L26 in which the various batteries 262 are arranged within the power supply assembly 26. Here, the part 30a is in one piece, or at the very least rigidly connected, with the part of the casing 30 which surrounds the components 31 and 33.

On note A26 un axe longitudinal du logement L26. Dans le mode de réalisation des figures, en configuration montée de l'installation 200, les axes X-X' et A26 sont confondus.A26 denotes a longitudinal axis of the housing L26. In the embodiment of the figures, in the mounted configuration of the installation 200, the axes XX' and A26 coincide.

Dans l'exemple, l'ensemble d'alimentation 26 comprend huit batteries 262. Ce nombre n'est toutefois pas limitatif. Le nombre de batteries doit seulement être supérieur ou égal à un, le nombre maximum de batteries étant limité par la longueur maximale souhaitée pour l'actionneur 3. Le nombre de batteries est déterminé en fonction de la tension d'alimentation souhaitée pour le moteur électrique 33.In the example, the power supply assembly 26 comprises eight batteries 262. This number is not, however, limiting. The number of batteries need only be greater than or equal to one, the maximum number of batteries being limited by the maximum length desired for the actuator 3. The number of batteries is determined according to the supply voltage desired for the electric motor 33.

Afin de pouvoir accéder au logement L26, un volet 100 est articulé par rapport au carter 30 à proximité de l'extrémité 52 du tube d'enroulement 5 et de la collerette 56, autour d'un axe Y100 qui est orthoradial à l'axe longitudinal A26, c'est-à-dire perpendiculaire à un axe radial à cet axe A26 et non sécant avec cet axe A26In order to be able to access the housing L26, a flap 100 is hinged with respect to the casing 30 close to the end 52 of the winding tube 5 and the flange 56, around an axis Y100 which is orthoradial to the axis longitudinal A26, i.e. perpendicular to an axis radial to this axis A26 and not secant with this axis A26

En pratique, l'axe d'articulation Y100 est matérialisé par un arbre 102 qui est immobilisé dans le carter 30 et sur lequel sont montées pivotantes deux branches 104a et 104b du volet 100. L'axe d'articulation Y100 est l'axe longitudinal de l'arbre 102.In practice, the axis of articulation Y100 is materialized by a shaft 102 which is immobilized in the casing 30 and on which are pivotally mounted two branches 104a and 104b of the flap 100. The axis of articulation Y100 is the longitudinal axis of tree 102.

Le volet 100 est ainsi mobile entre une première position, représentée aux figures 2 et 3 dans laquelle il obture une ouverture O26 d'accès au logement L26 du côté de l'extrémité 52, et une deuxième position, représentée aux figures 4 à 8 et dans laquelle il laisse accès à cette ouverture O26.The flap 100 is thus movable between a first position, shown in figure 2 and 3 in which it closes an opening O26 for access to the housing L26 on the side of the end 52, and a second position, represented in figures 4 to 8 and in which it provides access to this opening O26.

Le volet 100 est équipé d'un tiroir 106 mobile selon une direction D106 perpendiculaire à l'axe Y100 et perpendiculaire à l'axe A26 lorsque le volet 100 est dans sa première position. Ce tiroir 106 est prévu, sous l'action d'un ressort non représenté, pour pénétrer dans une encoche 306 ménagée sur la surface radiale interne du carter 30, au voisinage de l'ouverture O26, afin de verrouiller le volet 30 dans sa première configuration d'obturation de l'ouverture O26. Le tiroir 106 peut être manœuvré contre l'action du ressort, depuis la face externe 108 du volet 100 au moyen d'un taquet 110, guidé en translation dans une encoche 112 de cette surface externe 108 et qui est solidaire du tiroir 106. En pratique, le tiroir 106 et le taquet 110 peuvent être deux parties d'une pièce monobloc, comme cela ressort de la figure 7.The shutter 100 is equipped with a drawer 106 movable in a direction D106 perpendicular to the axis Y100 and perpendicular to the axis A26 when the shutter 100 is in its first position. This drawer 106 is provided, under the action of a spring not shown, to penetrate into a notch 306 provided on the internal radial surface of the casing 30, in the vicinity of the opening O26, in order to lock the flap 30 in its first blocking configuration of opening O26. The drawer 106 can be maneuvered against the action of the spring, from the outer face 108 of the flap 100 by means of a tab 110, guided in translation in a notch 112 of this outer surface 108 and which is integral with the drawer 106. practice, the drawer 106 and the cleat 110 can be two parts of a single piece, as appears from the figure 7 .

A titre de sécurité, et pour le cas où la liaison mécanique entre les parties 106 et 110 viendrait à être rompue, le tiroir 106 est accessible depuis l'extérieur lorsque le volet 100 est dans sa première position. En effet, comme visible à la figure 3, le tiroir 106 dépasse légèrement, radialement à l'axe A26, de la face externe 108 du volet 100, de sorte qu'il peut être actionné directement, en insérant la pointe d'un tournevis, voire l'ongle d'un utilisateur, dans un évidement E106 ménagé entre le volet 100 et un bord radial interne du carter 30. Il est ainsi possible d'exercer sur le tiroir 106 un effort représenté par la flèche F8 qui est parallèle à la direction D106 et dirigé vers l'axe Y100, ceci afin de dégager le tiroir 106 de l'encoche 306.As a safety measure, and in the event that the mechanical connection between parts 106 and 110 should be broken, drawer 106 is accessible from the outside when flap 100 is in its first position. Indeed, as seen in picture 3 , the drawer 106 protrudes slightly, radially to the axis A26, from the outer face 108 of the flap 100, so that it can be actuated directly, by inserting the tip of a screwdriver, or even the fingernail of a user , in a recess E106 provided between the flap 100 and an internal radial edge of the casing 30. It is thus possible to exert on the drawer 106 a force represented by the arrow F8 which is parallel to the direction D106 and directed towards the axis Y100, in order to disengage drawer 106 from notch 306.

Dans le fond de l'encoche 112 et à proximité du taquet 110, deux pictogrammes 114 et 116 permettent de repérer la manœuvre à effectuer pour déverrouiller le volet 100, c'est-à-dire retirer le tiroir 106 de l'encoche 306.In the bottom of the notch 112 and close to the catch 110, two pictograms 114 and 116 make it possible to identify the maneuver to be carried out to unlock the flap 100, that is to say to remove the drawer 106 from the notch 306.

On note 120 la face interne du volet 100 qui est tournée vers le logement L26 lorsque ce volet est dans sa première configuration. La face interne 120 est opposée à la face externe 108 qui, elle, est opposée au logement L26 lorsque le volet 100 est dans sa première position.Note 120 the internal face of the flap 100 which is turned towards the housing L26 when this flap is in its first configuration. The inner face 120 is opposite the outer face 108 which itself is opposite the housing L26 when the flap 100 is in its first position.

Cette face interne 120 est équipée d'une languette métallique 122 qui est élastiquement déformable et qui est prévue pour venir en appui contre la borne négative 264 de la batterie 262 disposée, à l'intérieur du logement L26, au plus près du volet 100. Le caractère élastiquement déformable de la languette 122 permet de rattraper au moins en partie un possible jeu axial entre les batteries 262 disposées à l'intérieur du logement L26, ce jeu axial pouvant résulter des tolérances de fabrication de ces batteries.This internal face 120 is equipped with a metal tab 122 which is elastically deformable and which is provided to bear against the negative terminal 264 of the battery 262 arranged, inside the housing L26, as close as possible to the flap 100. The elastically deformable nature of the tongue 122 makes it possible to take up, at least in part, any possible axial play between the batteries 262 arranged inside the housing L26, this axial play possibly resulting from the manufacturing tolerances of these batteries.

Toutefois, l'utilisation d'une telle languette n'est pas obligatoire et celle-ci peut être remplacée par un plot ou un dôme métallique destiné à former un contact électrique avec la borne négative 264 de la batterie 262 la plus proche.However, the use of such a tab is not mandatory and it can be replaced by a stud or a metal dome intended to form electrical contact with the negative terminal 264 of the nearest battery 262.

La languette 122, ou le dôme utilisé à la place de cette languette, est connecté(e) à un fil électrique non représenté qui circule dans un passe-fil également non représenté.The tongue 122, or the dome used in place of this tongue, is connected to an electrical wire, not shown, which circulates in a grommet, also not shown.

Un intérêt supplémentaire de la languette élastique 122 est de permettre, lorsque le volet 100 est en configuration fermée, d'amortir l'empilement de batteriess en cas de chute de l'actionneur électromécanique tubulaire 3.An additional advantage of the elastic tongue 122 is to allow, when the flap 100 is in the closed configuration, to dampen the stack of batteries in the event of a fall from the tubular electromechanical actuator 3.

Le volet 100 comprend, en plus de sa partie principale monobloc qui définit la face externe 108, les pattes 104a et 104b et l'encoche 112, une platine 126 qui supporte la languette 122, ou le plot ou dôme métallique utilisé à sa place, et qui est immobilisée sur cette partie principale par deux vis 128.The flap 100 comprises, in addition to its one-piece main part which defines the outer face 108, the lugs 104a and 104b and the notch 112, a plate 126 which supports the tab 122, or the stud or metal dome used in its place, and which is immobilized on this main part by two screws 128.

La platine 126 permet également de guider la pièce formant le tiroir 106 en translation selon la direction D106.The plate 126 also makes it possible to guide the part forming the drawer 106 in translation in the direction D106.

Dans sa deuxième position représentée aux figures 4 à 8, le volet 100 vient en appui par sa face externe 108 contre la collerette 56.In his second position represented at the figures 4 to 8 , the flap 100 bears by its outer face 108 against the collar 56.

On note A100 un axe perpendiculaire à l'axe Y100 et parallèle à la face externe 108 du volet 100. Dans l'exemple, l'axe A100 est parallèle à la direction D106.A100 denotes an axis perpendicular to the axis Y100 and parallel to the outer face 108 of the flap 100. In the example, the axis A100 is parallel to the direction D106.

On note α l'angle formé entre les axes X-X' et A100 ou les axes A26 et A100, dans le plan de la figure 7. L'angle α est l'angle d'ouverture du volet 100 dans sa deuxième position.We note α the angle formed between the axes XX' and A100 or the axes A26 and A100, in the plane of the figure 7 . The angle α is the opening angle of the flap 100 in its second position.

Cet angle d'ouverture α est limité par l'appui de la face externe 108 contre la collerette 56. Plus précisément, la face externe 108 du volet 100 vient en contact, par une portion 108a représentée en grisé à la figure 3, contre un bord interne 56a de la collerette 56 de la bague 42. Le bord interne 56a est éventuellement chanfreiné, comme représenté sur les figures. La portion 108a est ménagée près de la base des pattes 104a et 104b, à proximité de l'axe Y100.This opening angle α is limited by the support of the external face 108 against the flange 56. More precisely, the external face 108 of the flap 100 comes into contact, by a portion 108a represented in shaded picture 3 , against an inner edge 56a of the collar 56 of the ring 42. The inner edge 56a is optionally chamfered, as shown in the figures. Portion 108a is formed near the base of tabs 104a and 104b, near axis Y100.

La valeur de l'angle α dépend de la géométrie du volet 100 et de la collerette 56 ainsi que du positionnement relatif, le long de l'axe A26, de l'axe Y100 et de la collerette. Dans l'exemple des figures, la collerette 56 est affleurante avec l'extrémité de la partie 30a du carter 30 qui définit l'ouverture O26. Autrement dit, le bord interne 56a de la collerette 56 et la face externe 108 du volet 100 s'étendent dans un même plan perpendiculaire à l'axe A26.The value of the angle α depends on the geometry of the flap 100 and the collar 56 as well as the relative positioning, along the axis A26, of the axis Y100 and of the collar. In the example of the figures, the collar 56 is flush with the end of the part 30a of the casing 30 which defines the opening O26. In other words, the internal edge 56a of the collar 56 and the external face 108 of the flap 100 extend in the same plane perpendicular to the axis A26.

On note 266 la face d'une batterie 262 dans laquelle est ménagée sa borne 264. On note 267 la surface périphérique externe de la même batterie 262, laquelle surface 267 est ici cylindrique à base circulaire. On note 268 le bord annulaire de jonction entre les surfaces 266 et 267.Note 266 the face of a battery 262 in which its terminal 264 is formed. Note 267 the outer peripheral surface of the same battery 262, which surface 267 is here cylindrical with a circular base. Note 268 the annular junction edge between the surfaces 266 and 267.

Lorsque la batterie 262 la plus proche du volet 100 est en cours d'extraction du logement L26, par une translation axiale parallèle à l'axe A26 et représentée par la flèche F2, son bord 268 progresse vers l'extérieur du carter 30.When the battery 262 closest to the flap 100 is being extracted from the housing L26, by an axial translation parallel to the axis A26 and represented by the arrow F2, its edge 268 progresses towards the outside of the casing 30.

Le volet 100 est dimensionné, l'axe Y100 est positionné par rapport au carter 30, et la collerette 56 est configurée de telle sorte que, dans la deuxième configuration de ce volet 100, un relief 124 ménagé sur la face interne 120 du volet 100 se trouve sur la trajectoire de sortie d'une partie du bord 268 lorsque celui-ci est déplacé dans le sens de la flèche F2.The flap 100 is dimensioned, the axis Y100 is positioned relative to the casing 30, and the flange 56 is configured such that, in the second configuration of this flap 100, a relief 124 provided on the internal face 120 of the flap 100 is on the exit path of part of the edge 268 when the latter is moved in the direction of the arrow F2.

Alternativement, et selon une variante non représentée de l'invention, l'angle d'ouverture α est limité par l'appui de la face externe 108 contre un bord interne de la tête 36. En d'autres termes, dans sa deuxième position, le volet 100 est en appui contre une bague périphérique 364 de la tête 36, de préférence un bord interne de cette tête.Alternatively, and according to a not shown variant of the invention, the opening angle α is limited by the support of the external face 108 against an internal edge of the head 36. In other words, in its second position , the flap 100 bears against a peripheral ring 364 of the head 36, preferably an internal edge of this head.

Ainsi, dans sa deuxième position, le volet 100 est en appui contre une butée formée par la collerette terminale 56 ou par la tête 36 et forme un obstacle à une sortie rapide, ou accidentelle, d'une batterie 262 vers l'extérieur du logement L26.Thus, in its second position, the flap 100 bears against an abutment formed by the end collar 56 or by the head 36 and forms an obstacle to a rapid, or accidental, exit of a battery 262 towards the exterior of the housing. L26.

Dans ces conditions, le volet 100 est capable de retenir une batterie 262 à l'intérieur du logement L26 pendant le temps nécessaire à l'opérateur pour positionner sa main afin de recevoir cette batterie 262 sortant du logement L26, avec un risque minimum de faire tomber cette batterie au sol.Under these conditions, the shutter 100 is capable of retaining a battery 262 inside the housing L26 for the time necessary for the operator to position his hand in order to receive this battery 262 coming out of the housing L26, with a minimum risk of drop this battery to the ground.

Le relief 124 est un bord saillant formé par la platine 126. La platine 126 forme en effet une surépaisseur sur la face interne 120 du volet 100, qui demeure alignée avec l'ouverture O26 lorsque le volet 100 est ouvert. Dans tous les cas, le relief 124 est suffisamment robuste pour résister au poids de l'empilement de batteries 262 présent dans le logement L26.The relief 124 is a projecting edge formed by the plate 126. The plate 126 in fact forms an extra thickness on the internal face 120 of the flap 100, which remains aligned with the opening O26 when the flap 100 is open. In any event, relief 124 is strong enough to withstand the weight of battery stack 262 present in housing L26.

En variante, la partie du volet 100 qui forme un obstacle à l'extraction des batteries 262 est une portion de la platine 126 autre que son bord 124, notamment la partie de cette platine visible sur la gauche du bord 124 aux figures 6 et 7. Selon une autre variante, la partie du volet 100 qui forme obstacle à l'extraction des batteries est la partie principale qui définit la face externe 108, les pattes 104a et 104b et l'encoche 112.As a variant, the part of the flap 100 which forms an obstacle to the extraction of the batteries 262 is a portion of the plate 126 other than its edge 124, in particular the part of this plate visible on the left of the edge 124 in the figure 6 and 7 . According to another variant, the part of the flap 100 which forms an obstacle to the extraction of the batteries is the main part which defines the external face 108, the tabs 104a and 104b and the notch 112.

Lors d'un remplacement des batteries 262, lorsque l'opérateur est prêt à réceptionner la première batterie 262 sortant du logement 26, il peut agir sur le volet 26 en le faisant pivoter dans le sens de la flèche F4, c'est-à-dire au-delà de sa deuxième position en partant de la première position, dans un sens d'augmentation de la valeur de l'angle a, c'est-à-dire dans une troisième position, de façon à dégager l'obstacle 124 de la trajectoire du bord 268. Ce pivotement supplémentaire peut être obtenu au moyen d'une déformation élastique temporaire de la partie du volet 100 disposé à l'extérieur du carter 30, c'est-à-dire au-delà de la zone d'appui du volet 100 sur la collerette 56 par rapport à l'axe Y100. Cette approche fait usage des propriétés élastiques du matériau constitutif de la partie principale du volet 100, en dehors du tiroir 106 et de la languette 122, lequel matériau est avantageusement un matériau synthétique de type polycarbonate (ABS/PC). En variante ou en complément, cette troisième position du volet 100 est atteinte en faisant usage de jeux axiaux ou radiaux entre le tube d'enroulement 5 et l'actionneur 3.When replacing the batteries 262, when the operator is ready to receive the first battery 262 coming out of the housing 26, he can act on the flap 26 by pivoting it in the direction of the arrow F4, i.e. i.e. beyond its second position starting from the first position, in a direction of increasing the value of the angle a, that is to say in a third position, so as to clear the obstacle 124 of the path of the edge 268. This additional pivoting can be obtained by means of a temporary elastic deformation of the part of the flap 100 arranged outside the casing 30, that is to say beyond the zone support of the flap 100 on the collar 56 with respect to the axis Y100. This approach makes use of the elastic properties of the material constituting the main part of the flap 100, apart from the drawer 106 and the tongue 122, which material is advantageously a synthetic material of the polycarbonate type (ABS/PC). As a variant or in addition, this third position of the flap 100 is reached by making use of axial or radial clearances between the winding tube 5 and the actuator 3.

En variante ou en complément, la batterie 262 en cours de sortie du logement L26 peut être pivotée à l'intérieur du logement L26, afin de dégager son bord 268 de l'obstacle 124. On note A262 l'axe longitudinal d'une batterie 262, cet axe étant perpendiculaire à la surface 266 et central par rapport à la surface 267 et au bord 268. Par défaut, lorsqu'une batterie 262 est disposée à l'intérieur du logement L26, les axes A262 et A26 sont confondus ou parallèles et décalés d'une faible distance radiale. Le diamètre intérieur d26 du logement L26 peut être prévu légèrement supérieur au diamètre extérieur D262 d'une batterie 262, au point que la batterie 262 peut être pivotée au voisinage de l'ouverture O26 tout en étant encore engagée dans le logement L26, dans le sens de la flèche F6 à la figure 7, de façon à décaler ou désaxer les axes A262 et A26 et à écarter son bord 268 de l'obstacle 124.As a variant or in addition, the battery 262 being taken out of the housing L26 can be pivoted inside the housing L26, in order to disengage its edge 268 from the obstacle 124. A262 denotes the longitudinal axis of a battery 262, this axis being perpendicular to the surface 266 and central with respect to the surface 267 and to the edge 268. By default, when a battery 262 is arranged inside the housing L26, the axes A262 and A26 are coincident or parallel and offset by a small radial distance. The inside diameter d26 of the housing L26 can be provided slightly larger than the outside diameter D262 of a battery 262, so that the battery 262 can be pivoted in the vicinity of the opening O26 while still being engaged in the housing L26, in the direction of arrow F6 at figure 7 , so as to shift or offset the axes A262 and A26 and to move its edge 268 away from the obstacle 124.

De façon avantageuse, l'opérateur met à la fois en œuvre le pivotement supplémentaire du volet 100, dans le sens de la flèche F4, et le désaxage de la batterie 262, dans le sens de la flèche F6, pour dégager la batterie 262 du volet 100 et lui permettre de sortir aisément du logement L26.Advantageously, the operator implements both the additional pivoting of the flap 100, in the direction of the arrow F4, and the offset of the battery 262, in the direction of the arrow F6, to release the battery 262 from the flap 100 and allow it to easily come out of the housing L26.

La sortie de la batterie 262 du logement L26 peut être obtenue en tirant sur celle-ci ou en laissant la gravité agir, lorsque le carter 30 est disposé de façon approximativement verticale, avec son ouverture O26 dirigée vers le bas.The exit of the battery 262 from the housing L26 can be obtained by pulling on it or by letting gravity act, when the casing 30 is arranged approximately vertically, with its opening O26 directed downwards.

Grâce à l'invention, l'opérateur peut retirer les batteries 262 une par une du logement 26 puisque, dès qu'il cesse de pousser sur le volet 100 pour le déplacer vers la troisième position, celui-ci revient élastiquement vers sa deuxième position dans laquelle il bloque la batterie suivante dès que la batterie précédente est retirée. En variante ou en complément, les batteries restant dans le carter 30 se déplacent dans le carter 30 dans le sens de l'axe A262 et se retrouvent donc systématiquement bloquées contre le volet 100, avant d'être pivotées manuellement pour être extraites du carter 30.Thanks to the invention, the operator can remove the batteries 262 one by one from the housing 26 since, as soon as he stops pushing on the flap 100 to move it towards the third position, the latter springs back towards its second position. in which it blocks the next battery as soon as the previous battery is removed. As a variant or in addition, the batteries remaining in the casing 30 move in the casing 30 in the direction of the axis A262 and therefore find themselves systematically blocked against the flap 100, before being pivoted manually to be extracted from the casing 30 .

Pour faciliter l'ouverture du volet 100, c'est-à-dire son passage de sa première position à sa deuxième position, un organe élastique de renvoi 130 est prévu sur le volet 110. Lorsque le volet 100 est dans sa première position, cet organe élastique 130 est disposé entre le volet 100 et le carter 30, en étant déformé élastiquement. Ainsi, dès que le volet 100 est libéré par retrait du tiroir 106 par rapport à l'encoche 306, l'organe 130 tend à reprendre sa position non contrainte, donc à repousser le volet 100 vers sa deuxième position.To facilitate the opening of the flap 100, that is to say its passage from its first position to its second position, an elastic return member 130 is provided on the flap 110. When the flap 100 is in its first position, this elastic member 130 is arranged between the flap 100 and the casing 30, being elastically deformed. Thus, as soon as the flap 100 is released by withdrawing the drawer 106 relative to the notch 306, the member 130 tends to return to its unconstrained position, therefore to push the flap 100 back to its second position.

En pratique, l'organe élastique 130 peut être monobloc avec la partie principale de ce volet qui forme la face 108 et les pattes 104a et 104b ou avec la platine 126. Dans ces deux cas, cet organe élastique est, de préférence, réalisé en matériau synthétique. En variante, cet organe élastique peut être rapporté sur la partie principale du volet 100. Dans ce cas, il peut s'agir d'une patte métallique.In practice, the elastic member 130 can be in one piece with the main part of this flap which forms the face 108 and the lugs 104a and 104b or with the plate 126. In these two cases, this elastic member is preferably made of synthetic material. As a variant, this elastic member can be attached to the main part of the flap 100. In this case, it can be a metal tab.

L'évidement E106 ménagé entre le volet 100 et le bord radial interne du carter 30 peut également être utilisé pour permettre l'ouverture du volet dans le cas où l'organe élastique ne remplit plus sa fonction. Il est ainsi possible d'exercer au niveau de l'évidement un effort de levier sur le volet 100, en insérant la pointe d'un tournevis, voire l'ongle d'un utilisateur au niveau de l'évidement, pour ouvrir le volet 100.The recess E106 provided between the flap 100 and the internal radial edge of the casing 30 can also be used to allow the opening of the flap in the event that the elastic member no longer fulfills its function. It is thus possible to exert at the level of the recess a lever force on the flap 100, by inserting the tip of a screwdriver, or even the fingernail of a user at the level of the recess, to open the flap. 100.

Lorsqu'il convient d'introduire une nouvelle batterie 262' dans le logement L26 à travers l'ouverture O26, après avoir préalablement retiré toutes les batteries présentes dans ce logement, cette nouvelle batterie est poussée le long de l'axe A26, dans le sens de la flèche F10 à la figure 8. Dans ce cas, le relief 124 ne s'oppose pas au passage de la batterie 262' et celle-ci peut facilement pénétrer dans le logement L26, à travers l'ouverture O26, moyennant une déformation élastique temporaire du volet 100 et/ou un désaxage temporaire de la batterie 262, cette déformation et/ou ce désaxage résultant du déplacement de la nouvelle batterie 262' dans le sens de la flèche F10.When it is appropriate to introduce a new battery 262' into the housing L26 through the opening O26, after having previously removed all the batteries present in this housing, this new battery is pushed along the axis A26, in the direction of the arrow F10 at the figure 8 . In this case, the relief 124 does not oppose the passage of the battery 262' and the latter can easily penetrate into the housing L26, through the opening O26, by means of a temporary elastic deformation of the flap 100 and/or a temporary misalignment of the battery 262, this deformation and/or this misalignment resulting from the displacement of the new battery 262' in the direction of the arrow F10.

La face interne 120 du volet 100 est pourvue de deux pictogrammes 132 et 134 indiquant respectivement la direction et le sens d'introduction d'une batterie 262' dans le logement L26. En variante ou en complément, les pictogrammes 132 et 134 apposés sur la face interne 120 du volet 100 peuvent comprendre une indication du nombre de batteries à introduire dans le logement L26.The internal face 120 of the flap 100 is provided with two pictograms 132 and 134 respectively indicating the direction and the direction of introduction of a battery 262' into the housing L26. As a variant or in addition, the pictograms 132 and 134 affixed to the internal face 120 of the flap 100 can include an indication of the number of batteries to be introduced into the housing L26.

Au vu de ce qui précède, le volet 100 constitue une trappe de fermeture réversible de l'ouverture O26 du logement L26. Ce volet 100 permet de sécuriser le procédé de changement des batteries 262 de l'actionneur 3 en facilitant le travail de l'opérateur pour qui le risque d'échapper une batterie est fortement diminué. Le volet 100 permet également de réaliser un contact électrique avec l'empilement de batteries 262 présent dans le logement L26 et d'indiquer à l'opérateur le sens d'introduction de batteries dans ce logement, voire leur nombre.In view of the foregoing, the flap 100 constitutes a reversible closing hatch of the opening O26 of the housing L26. This flap 100 makes it possible to secure the process for changing the batteries 262 of the actuator 3 by facilitating the work of the operator for whom the risk of dropping a battery is greatly reduced. The flap 100 also makes it possible to make electrical contact with the stack of batteries 262 present in the housing L26 and to indicate to the operator the direction of introduction of the batteries into this housing, or even their number.

On comprend que, lorsque les batteries de l'actionneur 3 doivent être changées, toutes les batteries présentes dans cet actionneur sont successivement retirées, une à la fois, avant qu'un nombre correspondant de batteries ne soit réintroduit dans ce logement.It will be understood that, when the batteries of the actuator 3 have to be changed, all the batteries present in this actuator are successively removed, one at a time, before a corresponding number of batteries are reintroduced into this housing.

Selon une variante non représentée de l'invention, un ressort d'articulation peut être prévu au niveau de l'articulation entre le volet 100 et le carter 30, pour rappeler le volet 100 vers sa première position, ce qui fiabilise l'action de blocage obtenue avec le relief 124, y compris lorsque le poids de l'empilement de batteries est relativement important. Ceci est particulièrement avantageux dans le mode réalisation dans lequel la butée du volet 100 est réalisée directement contre un bord interne de la tête 36. Ce mode de réalisation est ainsi indépendant des propriétés élastiques des matériaux ou des jeux axiaux ou radiaux pour maintenir et/ou retirer les batteries.According to a variant of the invention, not shown, an articulation spring can be provided at the articulation between the flap 100 and the casing 30, to return the flap 100 to its first position, which makes the action of blocking obtained with the relief 124, including when the weight of the stack of batteries is relatively high. This is particularly advantageous in the embodiment in which the abutment of the flap 100 is made directly against an internal edge of the head 36. This embodiment is thus independent of the elastic properties of the materials or of the axial or radial clearances to maintain and/or remove the batteries.

Le volet 100 est décrit ci-dessus dans le cas de sa mise en oeuvre au sein d'une installation de protection solaire. Il peut également être mis en œuvre au sein d'une installation de fermeture.The shutter 100 is described above in the case of its implementation within a solar protection installation. It can also be implemented within a closing installation.

Le mode de réalisation et les variantes envisagés ci-dessus peuvent être combinés entre eux pour générer de nouveaux modes de réalisation de l'invention.The embodiment and the variants envisaged above can be combined together to generate new embodiments of the invention.

Claims (11)

  1. A tubular electromechanical actuator (3) for driving a winding tube of a movable screen (6) for a closure or sun protection installation (200), wherein
    - the tube is rotatable about an axis of rotation (X-X');
    - the actuator comprises a casing (30) which defines a housing (L26) for receiving at least one battery (262) for supplying power to an electric motor (33) of the tubular electromechanical actuator, as well as an opening (O26) of access to the reception housing, this opening being capable of being provided on the side of a first end (52) of the winding tube (5);
    - the tubular electromechanical actuator (3) comprises a flap (100) for selectively closing the opening (O26) of access to the reception housing (L26), this flap being articulated with respect to the casing about an articulation axis (Y100) orthoradial to a longitudinal axis of the reception housing;
    - the flap is movable, by pivoting about its articulation axis (Y100), between a first position where it closes the opening (O26) of access and a second position where it allows access to that opening;
    - in its second position, the flap rests against a stop (36; 56) and forms an obstacle (124) to the exit of the battery (262) from the reception housing (L26).
  2. The actuator according to claim 1, characterised in that on its internal face (120), which is turned towards the reception housing (4) when it is in its first position, the flap (100) is provided with a protrusion (124) intended to come to bear against the battery (262) when the battery tends to come out (F2) of the reception housing (L26) and when the flap is in its second position.
  3. The actuator according to one of the preceding claims, characterised in that the articulation axis (Y100) is defined by the central axis of a shaft (102) immobilised on the casing (30) and about which two lugs (104a, 104b) of the flap (100) are pivotably mounted.
  4. The actuator according to one of the preceding claims, characterised in that the flap (100) is equipped with a locking mechanism (106, 110) for locking it in its first position, this locking mechanism comprising, preferably, a slide (106) which is movable in a direction (D106) perpendicular to the articulation axis (Y100) of the flap and radial to a longitudinal axis (A26) of the reception housing (L26) when the flap is in its first position.
  5. The actuator according to one of the preceding claims, characterised in that it comprises an elastic member (130) for returning the flap (100) from its first position to its second position, this elastic member preferably being mounted on a first element, among the flap (100) and the casing (30), and arranged, when the flap is in its first position, between the flap and the casing while being elastically deformed by the second element, among the flap and the casing.
  6. The actuator according to one of the preceding claims, characterised in that the flap (100) is equipped, on its internal face (120) which is turned towards the reception housing (26) when it is in its first position, with a member (122) for electrical contact with the nearest battery (262) disposed in the reception housing (L26), preferably in the form of a metal tongue.
  7. A system (1) for driving a movable screen (6) in a closure or sun protection installation (200), this system comprising
    - a tube (5) for winding the movable screen, this tube being rotatable about an axis of rotation (X-X') and equipped, at its first end (52), with a terminal collar (56);
    - a tubular electromechanical actuator (3) according to any of the preceding claims, the actuator being housed in the winding tube (5),
    characterised in that the stop against which the flap (100) of the actuator (3) bears in its second position is formed by the terminal collar (56) of the winding tube (5) or by a head (36) of the actuator, and in that, on its outer face (108) which faces away from the reception housing (L26) when it is in its first position, the flap (100) bears a bearing area (108a) against the collar (56) or against the head (36) of the actuator on its outer face (108), , this bearing area being arranged in the vicinity of the articulation axis (Y100) of the flap on the housing (30).
  8. The system according to the preceding claim, characterized in that the flap (100) can be pushed (F4) beyond its second position, so as to temporarily increase its opening angle (α) with respect to the housing (30), by means of elastic deformation of the flap and/or the implementation of axial clearances between the actuator (3) and the winding tube (5).
  9. A closing or sun protection installation comprising a screen (6) movable by winding on a winding tube (5) and a drive system (1) according to one of claims 7 and 8.
  10. A method for replacing at least one battery belonging to an electromechanical actuator according to one of claims 1 to 6 or to a drive system (1) according to one of claims 7 and 8, characterised in that it comprises at least the steps of:
    a) rotating the flap (100) from its first position to its second position;
    b) bringing or allowing the battery (262) to slide (F2) towards the outside of the reception housing (L26) in a direction parallel to a longitudinal axis (A26) of this housing, until the battery comes to rest against the flap;
    c) pushing (F4) the flap beyond its second position and/or moving (F6) the battery out of alignment with the longitudinal axis, so as to disengage the battery from the flap and
    d) pulling or sliding the battery out of the housing.
  11. The method according to claim 10, characterised in that it comprises a step subsequent to step d) and consisting of:
    e) inserting (F10) a new battery (262') into the housing (L26) through its opening (O26), while the flap (100) is in its second position.
EP19745151.1A 2018-07-31 2019-07-30 Electromechanical actuator, screen driving system, closing installation or solar protection installation comprising such a system and method for replacing a battery in such an actuator or system Active EP3830360B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1857166A FR3084689B1 (en) 2018-07-31 2018-07-31 ELECTROMECHANICAL ACTUATOR, SCREEN DRIVE SYSTEM, CLOSING OR SOLAR PROTECTION INSTALLATION INCLUDING SUCH A SYSTEM AND PROCEDURE FOR REPLACING A BATTERY IN SUCH ACTUATOR OR SYSTEM
PCT/EP2019/070461 WO2020025600A1 (en) 2018-07-31 2019-07-30 Electromechanical actuator, screen driving system, closing installation or solar protection installation comprising such a system and method for replacing a battery in such an actuator or system

Publications (2)

Publication Number Publication Date
EP3830360A1 EP3830360A1 (en) 2021-06-09
EP3830360B1 true EP3830360B1 (en) 2022-10-19

Family

ID=65243702

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Application Number Title Priority Date Filing Date
EP19745151.1A Active EP3830360B1 (en) 2018-07-31 2019-07-30 Electromechanical actuator, screen driving system, closing installation or solar protection installation comprising such a system and method for replacing a battery in such an actuator or system

Country Status (3)

Country Link
EP (1) EP3830360B1 (en)
FR (1) FR3084689B1 (en)
WO (1) WO2020025600A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101102076B1 (en) * 2008-08-29 2012-01-04 주식회사 세명차양시스템 Wireless Operation Type Slide Screen
GB201203370D0 (en) * 2012-02-27 2012-04-11 Fourds Ltd Head assembly for a motorised blind
JP6716988B2 (en) 2016-03-18 2020-07-01 アイシン精機株式会社 Vehicle door latch device
FR3059657B1 (en) 2016-12-05 2020-08-07 Somfy Sas REEL INCLUDING A SLIDING ENERGY SOURCE SUPPORT, AND CORRESPONDING SLIDING ENERGY SOURCE SUPPORT

Also Published As

Publication number Publication date
WO2020025600A1 (en) 2020-02-06
FR3084689A1 (en) 2020-02-07
EP3830360A1 (en) 2021-06-09
FR3084689B1 (en) 2021-03-05

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