CH711553A1

CH711553A1 - Device for opening and closing leaf, and door or window comprising such a device.

Info

Publication number: CH711553A1
Application number: CH01357/15A
Authority: CH
Inventors: Willemin Bernadette; Sartori Maxime; Imhof Adrien
Original assignee: Evostyle Sàrl
Priority date: 2015-09-18
Filing date: 2015-09-18
Publication date: 2017-03-31
Also published as: EP3350398A1; WO2017046761A1; EP3350398B1

Abstract

The invention relates to a device (300) for opening or closing a leaf relative to a door or window frame, comprising: a first part (100) comprising a hollow cam, said first part (100) (200) to be integral with either the leaf or the frame, said second part (200) comprising: a rotary motor (210), a screw (218) connected to said leaf Motor (210), a nut (224) engaged on the screw (218); A first roller (216) secured to said nut and engaged in said hollow cam, said rotary motor (210) being arranged to rotate said screw (218) on itself, and thus to translationally displace said nut ), So that said roller (216) slides in said hollow cam (104),

Description

Description BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to devices for closing and opening of wings. These doors may in particular constitute a door, a window, a gate, shutters, or any other similar element.

STATE OF THE ART [0002] Doors, windows or the like generally comprise a leaf connected by one or more hinges to a fixed frame. The axis of rotation of the leaf relative to the frame is most often vertical, which makes it possible to open it by the handle without raising the center of gravity and therefore with a reduced force.

[0003] Automatic leaf opening and closing devices are known in the state of the art.

Document FR 2 666 111 describes a mechanism for closing and opening a door and window in which an actuator drives an eccentric part connected to the leaf. This device comprises several mobile parts visible and accessible by a user, which poses safety problems if the user approaches his fingers of moving parts. Moving parts are also exposed to dirt that can block the mechanism. The axis of the motor is parallel to the longitudinal axis of rotation of the leaf, which makes its integration difficult.

[0005] Document FR 2 658 234 describes a mechanism for closing and opening a door and window by means of a motor mounted in the axis of rotation of the leaf. Miniaturization is difficult.

Document FR 2 312 634 describes another mechanism comprising a screw driven in rotation and a nut mounted on this screw, thus enabling the door or window to be closed or opened. The presence of visible rods moving along the wings makes this solution dangerous and unattractive.

Document EP 1 298 274 describes a mechanism in which the axis of rotation of the leaf is provided with a pinion driven by a worm. The torque required to open the leaf by means of a pinion on the axis of rotation is considerable.

[0008] Document FR 2 778 687 describes a device in which a motor drives a connecting rod above the leaf.

[0009] Systems for closing and opening known windows push the leaf, for example by means of pistons and / or chains. These systems are not efficient or aesthetic. In addition, these systems do not allow a complete, ie 90 ° or more, opening of the leaf.

[0010] These various systems are generally bulky and difficult to integrate in a door or a window. In particular, it is difficult to use them to equip an existing door or window.

[0011] The frequent presence of accessible moving parts poses safety problems. It is also difficult to keep these parts clean, especially when they are to be greased.

The torque necessary to drive the leaf with these mechanisms is often also important, thus requiring bulky and noisy motors, or expensive reducers.

BRIEF SUMMARY OF THE INVENTION An object of the present invention is to provide a device free from the limitations of known documents.

[0014] Another object of the invention is to propose an aesthetically discrete device.

OBJECT AND SUMMARY OF THE INVENTION One object is to propose a device of small size and which can operate with a small motor.

Another object of the invention is to propose a device which can be added to existing constructions, for example in the case of the equipment of a building with a home automation solution.

[0017] Another object is to better control the speed of opening of the leaf.

According to the invention, these objects are achieved, in particular, by means of a device for opening or closing a leaf with respect to a frame of a door or window, comprising a first part comprising a hollow cam, The first part being intended to be integral with either the frame or the leaf, and a second part intended to be integral with either the leaf or the frame, the second part comprising: a rotary motor, a screw connected to the rotary motor, Nut engaged on the screw; A first roller secured to said nut and engaged in the hollow cam, the rotary motor being arranged to rotate said screw on itself and thus to move the nut in a translational movement so that the first roller Slides in said hollow cam,

[0019] In particular, this device has the advantage over the prior art that it is not very bulky and therefore discreet at the aesthetic level.

[0020] This device can be integrated into a door or window during its manufacture. It can also be retrofitted to an existing door or window.

The use of a hollow cam makes it possible to control the angular position taken by the leaf for any linear position of the nut and the roller. It is possible to obtain an opening and a closing of the leaf at a controlled angular velocity along the path, for example a constant speed, without modifying the speed of rotation of the engine.

[0022] The screw is advantageously a ball screw. Using a ball screw reduces friction dramatically, reducing both noise and using a less powerful motor. It is also possible to use for this purpose a metric screw, for example a screw covered with Teflon (registered trademark).

In one embodiment, the motor is controlled by a control mechanism comprising at least one of the following sensors: air quality sensor (temperature, humidity, pressure, CO2 content, plant allergens, etc.). ); Presence and / or motion sensor-rain sensor; anemometer; And / or timer or clock.

In one embodiment, the device comprises a synchronization module receiving information relating to the state of opening or closing of other wings. It is thus possible to synchronize the opening or closing of several leaves in a building, for example for the purpose of intentionally creating an air circulation and aeration or, on the contrary, avoiding the risk of excessive draft Important if multiple windows are open simultaneously.

In one embodiment, several devices, for example several devices linked to different windows of the same building, are organized in a system controlled by a central control module, for example a home automation system, Opening or closing of different leaves, in a synchronized manner.

The central control module may be provided with at least one environmental sensor, for example air quality sensors; Rain sensor; An anemometer; A clock; A timer, etc., in order to control the opening or closing of wings according to the signals supplied by this or these sensors. This avoids the multiplication of sensors of different types on each leaf.

The central control module may be provided with a module for accessing meteorological data, for example data transmitted via the Internet, via DAB, DVB, WiFi, Bluetooth, radio communication, etc. For example by using a portable device such as a smartphone or a tablet. For example, access to meteorological data, such as current weather data or weather forecasts, can be used to determine the right time in the day for aeration of a building.

BRIEF DESCRIPTION OF THE DRAWINGS [0028] Examples of the implementation of the invention are indicated in the description illustrated by the appended figures in which:

FIG. 1 illustrates a view of a door in the closed position equipped with a device according to an embodiment of the invention.

FIG. 2 illustrates a section along a vertical plane of the device according to one embodiment of the invention.

FIG. 3 illustrates a view of a first part of the device with a cam according to an embodiment of the invention.

FIG. 4A illustrates a perspective view of a second part of the device, without the rollers.

FIG. 4B illustrates a perspective view of the second part of the device provided with its rollers.

FIG. 5A illustrates a detail view of a door part in the closed position equipped with a device without the protective cover according to an embodiment of the invention.

FIG. 5B illustrates a detail view of a part of a door in the closed position equipped with a device with the protective cover according to one embodiment of the invention.

FIG. 6 illustrates a view of a first part of the device illustrating the cam according to another variant of the invention, adapted for its integration into a leaf during its manufacture.

Example (s) of Embodiment of the Invention [0029] FIG. 1 illustrates a window 1 comprising a leaf 2 (or leaf) which constitutes its mobile part and a frame 3 (or frame) which constitutes its fixed part. As will be seen later, the invention can also be applied to doors, shutters, gates, etc. The leaf 2 is pivotally mounted on the frame 3, hinges 4 (hinges) allowing pivoting.

These hinges 4 allow rotation along the Y axis, for example a vertical axis in the plane of the window 1. A rotation of the leaf about another axis, including a horizontal axis, may be envisaged. The leaf 2 can be moved angularly between a closed position and an open position relative to the frame 3 of the window 1.

The window 1 is advantageously devoid of any handle; It is only intended to be opened in a motorized manner or, in the event of a power failure, by means of a rod or other element enabling it to be handled directly. It is thus possible to make windows more aesthetic. A handle may, however, be provided in a variant, for example to harmonize the aesthetic with other non-motorized windows of the same building. A possible handle may be only decorative, in that it does not allow the window to be opened. It could also act as a switch to trigger manually a command to open or close the window. It could also be used in case of an emergency, for example a power failure, to open or close the window in spite of everything.

[0031] The element 5 is a sensor, for example an obstacle, presence or movement sensor. Other types of sensors, for example indoor air quality sensors (temperature, humidity, pressure, CO2 level, etc.), outdoor air quality (temperature, CO2 level, plant allergens, etc.). ); rain; Wind (anemometer); A timer or a clock, etc. May be provided.

The element 6 is a control mechanism, for example a digital electronic circuit, receiving the signals from the sensor 5 and / or switches in order to trigger the motorized opening or closing of the leaf, as described below. The element 6 can also receive signals from other devices fitted to other windows, or control signals from a centralized control module controlling several wings, as will be seen later.

The window 1 is equipped with a motorized opening and closing device 300 illustrated in FIGS. 1,2,5A and 5B. This device comprises a part 100 connected to the frame and a part 200 linked to the leaf and in particular including a motor 210. As will be seen below, it is possible to invert the position of these two parts and to mount the part 100 on the part Leaf, and part 200 on the frame, with appropriate modifications.

The first part 100 integral with the frame 3 comprises a plate 102 of rectangular shape but which could also be of another shape, for example square. This part can be made from a metal such as aluminum or steel, for example, allowing decorative eloxing. The long side of the rectangle is perpendicular to the axis Y. The part 100 is advantageously fixed to the frame in a horizontal plane P and cantilevered above the leaf on the side of the frame where the leaf can be opened.

The plate 102 comprises a groove forming a hollow cam 104. The hollow cam 104 has a curved shape and extends in the plane P of the plate 102. In a preferred variant, its shape is defined by a spline, c That is to say by a function defined by pieces by polynomials. This shape is custom-designed to allow the operation of the device according to the invention. This shape changes if the first part 100 is on the frame (fig.3) or on the leaf (fig.6).

It can be directly milled under the lower face of the plate 102 as illustrated in FIGS. 3 and 5A. The hollow cam 104 is advantageously constituted by a non-through groove and is thus only visible beneath the lower face of the plate 102. This improves aesthetics and limits the risk of injury. When the plate is mounted on the window, the hollow cam 104 has a concavity facing the frame 3. The hollow cam 104 is closed at its two ends 106 and 108 respectively.

The second part 200 of the device is illustrated in particular in FIGS. 2,4A, 4B, 5A and 5B. In the example illustrated, this second part is integral with the leaf 2.

The second part 200 comprises a rotary motor 210 which drives a screw 218, for example a ball screw or a screw covered with Teflon, through a reducer 212 mounted on the plate 206. The motor can be supplied with Low voltage, for example with a voltage equal to 12 V. In a variant this voltage is generated by a transformer connected to the voltage of the electrical network of 230 V. The screw 218 is guided in a ball bearing or ball bearing 220 formed in A plate 204, visible in FIGS. 4A, 4B. A grub screw (not shown) makes it possible to tighten the ball bearing in order to avoid loosening of all the parts.

A nut 224 is engaged on the ball screw 218 and connected to a connecting piece 214. It is also possible to combine these two elements. In this example, the connecting piece 214 is square and therefore can not rotate in the framework. It can also be rectangular. The rotation of the ball screw 218 by means of the motor 210 therefore causes the nut 224 and the connecting piece 214 to move longitudinally.

A first roller 216 is secured to the nut 224, for example by being mounted on the connecting piece. This roller is engaged in the hollow cam 104 described above; Its position along the cam determines the opening angle of the leaf. The movement of the roller 216 in the hollow cam 104 therefore results in the angular displacement of the leaf 2 with respect to the frame 3.

A second roller 217 is mounted on the same axis as the roller 216 and is therefore also integral with the nut 224 of which it guides the displacement during the rotations of the ball screw 218. It is engaged in a rectilinear guide groove 209 Visible in FIGS. 4A, 4B in the mounting plate 208 and avoids the risk that the motor 210 or the ball screw 218 will not run across the frame.

The two rollers 216, 217 are advantageously free to rotate independently of one another in the same axis. They can be made of hard plastic or metal for example. In an advantageous embodiment, they each comprise a ball bearing allowing a frictionless rotation in the hollow cam 104 respectively in the guide groove 209.

The four metal plates 202, 204, 206, 208 form a framework which is mounted on the leaf 2 for example by means of screws 226 engaged in through holes 232, 240 through the thickness of the plates. Mounting holes 234, 242 make it possible to fix a box 228 forming a lid on top of these plates, in order to close the frame.

The plate 206 serves as a support for the rotary motor 210 mounted outside the frame. The upper face of the framework, parallel to the leaf 2, is closed by a mounting plate 208 fixed on the plates 204 and 206 by means of screws or pins 230. The length of the mounting plate 208 is longer than that of the Plate 202 and that of the ball screw 218 described below; It is thus possible to move the fastening screws 226 apart, and to reduce the risk of the device 200 being pulled out.

The closed housing 228 covers all the components of the device 200 in order to avoid any contact between a moving element and the fingers of a person, for example. It not only gives the mechanism more elegance but also avoids the intrusion of foreign elements such as dust or insects. The opening of the housing 228 gives easy access to the motor 210 and to the reduction gear 212 which are outside the framework formed by the plates 202 204 206 208. On the other hand, this opening gives a more limited access to the ball screw 218 which remains protected on five sides.

The control electronics of the motor 212 (not shown), including the motor drivers, are advantageously also protected by this casing 228, outside the frame, in order to facilitate access.

The width of the hollow cam 104 is preferably uniform and corresponds substantially to the diameter of the roller 216 except at the ends 106, 108 which are widened. These enlarged portions constitute stable rest positions for the roller, that is to say stable positions for the leaf; A threshold must be crossed out of these rest positions requiring a torque greater than the torque necessary for other comparable displacements along the cam. Additional stable rest positions can be provided between the two ends 106 and 108, for example to hold a door or window in an intermediate position between the open position and the closed position.

The rest positions defined by the cam 104 permit mechanical retention of the leaf 2 in a stable position without the engine having to consume energy for this purpose.

When the window is moved from the open position to the closed position and vice versa, the roller 216 traverses a linear distance with respect to the axis of rotation of the window Y as illustrated in FIG. 3. As the roller leaves its rest position at the end 106 to reach the other end 108 and vice versa, the roller slides in the cam 104, the window 1 then traverses an angle Θ about the axis Axis of rotation Y.

In the embodiments of FIGS. 3.5A and 5B, the motor is connected to the leaf 2 while the cam is fixed and connected to the frame 3. This arrangement is advantageous because the leaf flank is generally free and allows the motor 212 and the screw to be placed in a space unoccupied. However, it is necessary to make an electrical connection to supply the electric motor to the window, for example by means of a flexible cable. To avoid this disadvantage, it is therefore also possible in one embodiment to link the motor to the frame (which facilitates its wiring) and the cam to the leaf.

The shape of the hollow cam 104 determines the opening angle Θ of the window as a function of the linear position d of the nut along the ball screw 218.

The cam shape illustrated in FIG. 3 corresponds to a cam 104 connected to the fixed part of the window, that is to say to the frame 3. The different cam shape illustrated in FIG. 6 corresponds, on the other hand, to a cam integral with the leaf 2, the motor and the worm being then connected to the frame.

The shape of the hollow cam 104 in the two embodiments depends in particular on the position of the axis of rotation Y of the leaf; Its shape is defined by a spline which makes it possible to control the opening of the wing between the closed position and the maximum opening position even if the motor 210 rotates at constant speed. The shape of the cam changes if the first part 100 is connected to the frame or to the leaf (as illustrated in FIGS. 3 and 6 respectively).

It is also possible to provide a rotary motor 210 controlled at variable speed along the stroke so as to control the angular velocity and / or the power throughout the stroke of the leaf. In both directions of displacement, this embodiment can thus produce a progressive acceleration of the leaf at the beginning of its displacement, then a constant speed for almost the entire stroke and a gradual deceleration at the end of its travel. It is also possible to reduce the leaf speed close to the two rest positions and thus to access or leave these two positions requiring increased torque with a reduced speed, thereby limiting the maximum power that the engine must deliver .

The device of the invention can form a kit intended to equip existing windows or doors, or be integrated into new windows or doors. In the variant illustrated in FIG. 5A and 5B, the plate 102 is mounted on the frame 3 of an existing window, for example by using screws 110 to screw it against the frame 3 of the window 1. In the variant illustrated in FIG. 6, the cam 104 'is intended to be integrated into a leaf 2 during the manufacture of this leaf.

It is also possible to produce door or window equipment kits with a cam connected to the leaf 2 and a motor linked to the frame 3, or to make doors or windows integrating an engine connected to the leaf at the time of manufacture and A cam connected to the frame.

End-of-stroke sensors, for example inductive sensors 222 illustrated in FIG. 2 or other types of sensors may be provided in order to detect the arrival of the roller 216 at the end of travel and to stop the motor 210 at both ends of the hollow cam.

The motor 212 may be provided with an encoder in order to determine the angular position of the nut 224 at all times. This angular encoder may be absolute or relative. The limit switches 222 can be used to recalibrate the encoder when the nut reaches its end.

In the event of a power outage or a power cut, the motor 210 can be disengaged by a manual and voluntary action by the user, in order to have a free movement in order to allow the manual closing or opening of the motor window. In a variant, a rod connected to the ball screw allows, during the movement of the rod, to rotate the ball screw and thus to drive the mechanism for opening or closing the window.

In another variant, an emergency battery near the window or in the control module centralized in the building makes it possible to supply the motor and the control system in the event of a power outage or power outage.

An automatic disengagement can also be provided in order to automatically disconnect the motor from the ball screw when the leaf is moved manually, by exerting a torque on the leaf greater than an automatic disengagement threshold. In a particular embodiment, the roller 216 of the second component of the device according to the invention comprises two distinct parts but connected to one another with fastening means such as, for example, and in a non-limiting manner, the electromagnets. If accidentally a torque exceeding a threshold is exerted on the ventali, the two separate parts separate so that part leaves with the ventai! During its accidental displacement, and the other ends its stroke in the cam.

It is also possible to associate a photovoltaic panel with each window or a group of windows in order to make it fully or partially autonomous from the electrical network. For example, the photovoltaic panel can charge a battery associated with one or more windows.

The supply voltage may also be provided by a wireless power transmission system, that is to say by an electromagnetic field. It is thus possible to avoid the electrical connection of the leaf by means of a flexible electric cable.

The device according to the invention therefore comprises a motor and a cam connected to one of the sides of the leaf and the frame. In an advantageous embodiment, the device is mounted on the upper horizontal side of the vertical axis window in order to reduce the risk of contact with the user. The opposite side, for example the lower horizontal side of the window, may be provided with a locking element to keep the leaf firmly pressed against the frame in the closed position. This locking element may, for example, comprise an elastically deformable element, for example a clip or spring element, in order to guarantee a stable rest position on the locked side. The locking element may include magnets. The locking element may also include an active element, For example an element driven by a second motor (not illustrated) via a suitable linkage, or by using the original linkage of the window. In a preferred variant, the operation of the motor 212 and that of the motor used for locking will be synchronized: for example, the motor used for the locking will start to operate only after the motor 212 has enabled the winding to close! On the frame. For example the motor used for the locking may start to operate only after the motor 212 has enabled the winding to close! On the frame. For example the motor used for the locking may start to operate only after the motor 212 has enabled the winding to close! On the frame.

Locks using electromagnets or piezoelectric systems placed on the side of the window opposite the device can also be implemented. These locking elements can be controlled by the control electronics of the device so as to lock the wing against the wing in the closed position and allow unlocking when opened. A servo-control on a possible anti-intrusion installation can also be implemented.

[0066] The motor can be switched on automatically. To this end, the device may include a control mechanism 6 for the motor 210, for example a programmable electronic circuit, to trigger the rotation of the motor in one direction or the other. Different types of sensors 5, for example timers or clocks, sensors for temperature, rain, wind, air quality, presence or movement, can be integrated into the device and linked to this control mechanism 6 and transmit Signals whose value determines an opening or closing decision as a function of parameters measured by one or more of these sensors. A presence or movement detector could, for example, stop the movement of the window if it detects a presence (human or animal) in the volume swept by the leaf.

The opening and the motorized closing of each leaf can be controlled by a user, for example by means of a user interface such as an ON / OFF button or a remote control, for example a mobile device Comprising a processor executing portions of codes ("apps") allowing opening and / or closing of the window.

Different devices in the same building can be connected together by a wire or wireless interface in order to constitute a system for controlling the opening / closing of several leaves in the building. This communication makes it possible, for example, to synchronize the openings and closures of different leaves in order to control the ventilation of the building and to ventilate rooms by simultaneously opening several leaves or, on the contrary, to avoid excessive drafts, Simultaneous opening of certain leaves. In this case, the control mechanism 6 can integrate a synchronization module with the opening of other leaves.

A centralized control module (not shown) may be provided in order to control several leaves in a building. For example, this centralized control module can be integrated into a home automation system. It can receive signals from various centralized environmental sensors, such as timers or clocks, indoor air quality sensors (temperature, humidity, pressure, CO2 level, etc.), external air quality (temperature, C02, plant allergens, etc.); rain; Wind (anemometer); For detecting a fire, said signals being used to determine whether a leaf is to be opened or closed. By centralizing certain environmental sensors at the level of the central control module, it is avoided to have to have a sensor of each type on each window.

It is possible to control each leaf taking into account both instructions received from the central control module and signals from the local sensors, for example to ignore an order to open a door when a sensor Local, for example an infrared sensor, detects the presence of a user near the window.

It is also possible to detect the presence of fingers or other parts of the body near the frame of the leaf or the frame and to block the opening or closing of the leaf when a presence is detected, Avoid the risk of pinching. The detection device may for example be based on an optical fiber arranged on the leaf and / or on the frame, where the risk of pinching is to be avoided; An electro-optical sensor detects the pressure of a finger at any point on the fiber in order to prevent the opening or closing of the leaf. Other systems for detecting body parts may be provided, including systems based on capacitive electrodes, resistive, inductive, heat detectors, cameras, light barriers or infrared sensors,

In order to avoid the risk of pinching fingers or injuring a user by a leaf which opens or closes unexpectedly, it is also possible to provide friction between the motor and the screw 218, for example At the level of the reducer 212. This friction makes it possible to limit the maximum torque transmitted to the leaf and to stop the leaf in the event of an obstacle.

In a variant, the torque supplied by the rotary motor 212 can be determined, for example by measuring the consumed electrical current. The motor driver may for example limit the maximum torque or stop the motor 212 when the current exceeds a threshold value indicative of an obstacle or if rapid increases in the current typical of an obstacle are detected.

The central control module may also include a meteorological module which can receive meteorological data relating to current weather or weather forecasts. For example, this data may come from a remote server, for example a web server, for example via the Internet network of a DAB or DVB channel, WiFi, Bluetooth, etc. It is thus possible to plan the aeration of a building taking into account the current and planned meteorological conditions.

The centralized control module may also comprise a user interface enabling a user to control in a centralized manner the opening and closing of one or more leaves.

The centralized control module can also electrically power each motor 210 of the various controlled wings, for example by means of a transformer and, preferably, a rectifier, generating a low supply voltage. The use of low voltage limits the risk of electric shock. Centralized low-voltage generation for several motors limits the number of transformers and rectifiers required.

The above description relates to a window, but the device could well be applied to other types of wings, for example a door, a shutter, a gate, or any other similar element.

Mirror shapes of the cams 104 (FIG 3) and 104 '(FIG 6) may be provided if the direction of opening direction of the window is reversed.

Reference Numbers Used in the Figures 1 Window 2 Leaf 3 Frame 4 Hinge 5 Motion Sensor 6 Control Mechanism 100 First Part 102 Support Plate 104 Hollow Cam 106 First Stable Rest Position 108 Second Stable Resting Position 110 Screw Mounting bracket 200 Second part 202 Bottom plate 204 Bearing support 206 Motor support 208 Mounting plate 209 Guide groove 210 Rotary motor 212 Reducer 214 Cam nut 216 First roller 217 Second roller 218 Ball screws 220 Ball bearing 222 Inductive sensor 224 Nut 226 Fasteners 228 Housing 230 Fasteners 232 Through holes through mounting plate 208 234 Through holes through mounting plate 208 239 Screws 240 Through holes through bottom plate 202 242 HolesThrough the bottom plate 202 300 Device Y Window rotation axis

Claims

P Plate of plate 102 d Distance between roller and axis of rotation Y Θ Window opening angle Claims

1. Device (300) for opening or closing a leaf (2) relative to a frame (3) of a door (1) or window, comprising: a first part (100) comprising a hollow cam (104, 104), said first part being intended to be integral with either the frame (3) or the leaf (2), and a second part (200) intended to be integral with either the leaf (218) connected to said motor (210), a nut (224) engaged on said screw (218), said second member (200) comprising: A first roller (216) secured to said nut and engaged in said hollow cam (104, 104 "), said rotary motor (210) being arranged to rotate said screw (218) A translation movement of said nut (224),

2. Device according to claim 1, wherein said screw (218) is a ball screw.

3. Device according to claim 1, wherein said hollow cam extends in a plane perpendicular to the axis of rotation of the leaf and in which said screw, Is perpendicular to said axis of rotation (Y).

4. The device as claimed in claim 1, wherein the first part is intended to be integral with the frame, the second part being intended to be integral with the leaf, , Said screw (218) being mounted closer to the leaf rotation axis (Y) than said rotary motor (210).

5. The device as claimed in claim 1, wherein said second part comprises a rectilinear guide groove for guiding the movement of said nut and of said first roller along the notch, ).

6. Device according to claim 5, comprising a second roller (217) engaged in the guide groove (209).

7. Device according to claim 1, comprising a frame (202, 204, 206, 208) housing said screw (218) and said nut (224).

8. A device according to claim 7, wherein said rotary motor is housed outside said framework. (202,204,206,208).

9. Device according to one of claims 7 to 8, said framework (202, 204, 206, 208) being provided with a mounting plate (208), said guide groove (209) being provided in said mounting plate (208).

10. Device according to claim 7, comprising a casing (228) closing said frame (202, 204, 206, 208) and protecting said motor.

The device (300) according to claim 1, wherein the first part (100) is intended to be fixed to the wing (2).

12. Device according to claim 1, wherein said hollow cam (104, 104 ') has a spline shape.

13. Device according to claim 1, wherein said hollow cam is constituted by a blind groove.

14. Device according to claim 1, wherein said hollow cam is provided with one or more stable rest positions allowing a stable mechanical holding of the leaf (2) Of electrical energy.

15. Device according to claim 14, wherein a first end of said hollow cam is provided with a first stable rest position corresponding to the maximum opening of the leaf, a second end of said hollow cam, (104, 104 ') being provided with a second stable rest position (108) corresponding to the closing of the leaf.

16. Device according to claim 15, comprising a limit switch (222) for stopping the motor at at least one end of the cam.

17. Device according to claim 1, comprising an automatic disengagement system in order to automatically disconnect the motor when the leaf is moved manually, exerting a torque on the leaf greater than an automatic disengagement threshold.

18. Door or window comprising a frame (3), a leaf (2) and a device (300) according to one of claims 1 to 17.

19. Door or window according to claim 18, further comprising a synchronization module for receiving information relating to the opening or closing state of other leaves.

20. The door or window according to claim 18, said device being mounted on one of the sides of the leaf or frame, a system for locking the leaf on the frame being provided on an opposite side of said leaf or Of said frame.

21. Door or window according to the preceding claim, wherein said locking mechanism comprises a locking motor, said locking motor being arranged to be synchronized with the motor of the second component.

22. System comprising a door or window according to claim 18, further comprising a mechanism (6) for automatically opening and / or closing the leaf.

23. A system according to claim 22, comprising at least one of the following sensors (5): air quality sensor, comprising a temperature and / or humidity and / or pressure and / or rate sensor C02 and / or plant allergens; Presence or motion sensor; Rain or wind sensor; The signals of said sensor (s) being transmitted to said control mechanism (6).

24. A system according to claim 22 or 23, comprising a presence sensor for detecting the presence of a human body portion near the leaf or the frame, the control mechanism being arranged to prevent the leaf from moving, Such presence is detected.

25. A system according to claim 22, comprising a plurality of doors or windows according to one of claims 18 to 21 and a centralized control module for centrally controlling the opening or closing of the doors or windows. Different doors or windows.

26. The system according to claim 25, said centralized control module being arranged to synchronize the opening and closing of different leaves in order to control the ventilation of a building.

27. The system according to claim 25, wherein the centralized control module is provided with environmental sensors and controls the state of opening or closing of the wings according to the signals supplied by these environmental sensors.

28. The system as claimed in claim 25, wherein the centralized control module is provided with a meteorological module in order to receive weather forecasts and to control the opening and closing of wings according to these forecasts.

29. The system according to claim 25, wherein said centralized control module is provided with an electrical power supply system for electrically supplying said motors with different wings.