ES2348796T3 - SYSTEM FOR DRIVING A BLINKLED BLIND PERSON WITH A PORTABLE CONTROL DEVICE CONTAINING THE POWER SUPPLY OF ELECTRICAL ENERGY. - Google Patents

Abstract

A system for actuating a Venetian blind (10), a folding, a roller blind, a roller blind or other similar means for closing a door or window, comprising: - an electric motor apparatus (11) suitable for moving said Venetian blind (10), louver blind or similar, said apparatus (11) being suitable to be placed in a seat (16) formed in a body or part of a frame (13) of said door or window, said seat ( 16) free of any electrical or electronic device (22, 20) of power and control, - a contact support plate (19) suitable to be fixed to the glass (10 ') of the door or window in a position accessible by the user and comprising at least two electrical contacts (19 ') electrically connected to said electric motor apparatus (11), and - a control device (20) comprising power supply means (22) of the apparatus (11) of electric motor and electr media control conics (44) for controlling said apparatus (11), said control device (20) being transportable by the user and having at least two electrical contacts (23), suitable for coupling to the electrical contacts (19 ') of the contact support plate (19), for electrically connecting said supply means (22) and said electronic means (44) for controlling the electric motor apparatus (11); characterized in that the contact support plate (19) is provided with two magnets (29), each of the electrical contacts (19 ') of the contact support plate (19) being placed in contact with a respective magnet ( 29), so that it forms a single conductive element with it, and because the control device (20) comprises two elements (23) made of ferromagnetic material suitable to be attracted by said magnets (29) and which act as electrical contacts ( 23), such that the contact support plate (19) and the control device (20) are suitable to be magnetically coupled to each other to obtain the electrical connection between the respective electrical contacts (19 ', 23).

Description

System to operate a louver blind roller with a portable control device that contains the power supply

The present invention is related to the field of doors or windows that have closing means motor driven, such as, for example, blinds Venetian, pleated, roller blinds or windows with roller blinds, and in particular it refers to a drive system for such closing means.

The doors or windows provided with an appliance motorized to move the closing means, such as the slats of a Venetian blind, they are essentially divided into two types, in as for the manufacture of the drive means and the mode of drive

A first type conceives the inclusion of all electrical and electronic devices that order and control the motorized apparatus in an element of the door or window frame. Only one drive device is fixed outside the door or window, typically consisting of at least two contacts electrical or switches that the user must activate to activate motor control and control devices in mode wanted.

A second type conceives the use of a command to distance to activate motor control and devices I send. In this case, there is the advantage of remote control of the closing means of the door or window, but it is necessary include means to transmit the command signal in the command to distance and means to receive said signal at the door or window. An example of this type of solution is disclosed in the document US 2006/0076113 A1.

In both cases, the control devices and motorized device control, arranged in the door frame or window, must be connected to the supply network to receive power How the motorized device operates at a voltage low, a transformer must also be provided to reduce the supply network voltage to the voltage of engine operation

In practice, therefore, the electrical system of a room must be designed and modified so that Always have a power plug in the vicinity of a door or window propelled by motor.

In both types mentioned above, In addition, each motorized device is associated with its own command and control devices, all of them integrated in the frame of the door or window. In the presence of multiple door frames or windows, these devices must therefore be multiplied by the number of motorized devices used.

In the case of Venetian blinds with double vision, the motorized device and the devices Relevant electrical / electronic are located within a hermetic airspace. If one of these elements suffers a failure, it is necessary to disassemble the entire blind and often one is forced to send it to the manufacturer for repair and return to assembly.

In a previous patent application, IT BS20050035, of the same applicant, the limits and disadvantages mentioned above have been resolved through a system of actuating a Venetian blind, a pleated, a roller blind, a roller blind or middle blind similar, to close a door or a window, comprising:

- an appliance with an electric motor seated on a body or part of the frame of said door or window, without any electrical or electronic control and power device inside of said body or part of the frame,

- a plug-in electrical element that is electrically connected to said electric motor apparatus and fixed to the door or window in a position accessible by the user, Y

- a control device comprising means Power supply of the electric motor apparatus and means electronic devices to control said apparatus, said device being user-transportable control and with a plug element electrical suitable to be coupled with said plug-in element, to electrically connect said feeding means and said electronic means to control the motor apparatus electric.

WO 03/095781 discloses a set portable power supply, capable of providing power electric to an electric motor of a louver blind set. The louver blind assembly comprises a receiving port of electric power, preferably in the form of a plate or clamp wall mounted, connected to the electric motor of the set of louver blind. The plate is preferably adapted so which receives both the separable body mechanically and electrically of the power supply assembly.

If on the one hand such solutions allow obtaining clear advantages over known drive systems, for other side requires the user to perform the electrical coupling between the plug and the plug every time you have to move the shutter, and maintain such coupling for the entire time of drive In other words, the user must hold manually the control device while connected to the electrical plug, since such a device protrudes from the wall. Plus still, as the electrical plug must contain the electrical contact suitable for receiving the control device plug, it has a non-negligible thickness that could alter the aesthetic appearance of the frame.

Starting with such premises, the object of the The present invention is to obviate the limits and disadvantages mentioned previously and propose a system to operate doors or windows engine driven, even more convenient to use and with very limited global dimensions.

Such an object is achieved with a system of drive according to claim 1.

The dependent claims describe preferred embodiments.

In addition to the previous advantages of the system magnetic coupling of the invention, the drive system described allows to obtain the following advantages.

The elements seated in the blind for your operation are minimized; in practice there is only the electric motor apparatus is inserted in the blind while All electronic control circuits thereof are external to he. This is particularly advantageous in double vision blinds, where any failure of a component within the airspace Hermetic requires the complete disassembly of the blind and the intervention of qualified personnel.

The electronic and power part is located in an external container shaped like a normal box, which is external to the blind and that can be easily fixed in the case of failure or replaced without intervening in the blind.

The electrical connection of the motor apparatus electric to the power is simplified considerably in comparison with current blinds where drivers electrical to connect to the supply network stand out from the blinds. There is no restriction of having to provide a plug in the vicinity of the motor-driven blind.

The use of a control device with batteries rechargeable allows to avoid the use of heavy transformers and bulky

It is possible to use a single device control to control multiple electric motor appliances of different blinds. In other words, you get a considerable saving money and time because, for each motor apparatus, it is not provide relevant electronic control circuits and control.

The blind therefore presents the known comfort of use of a motor-driven movement, but it is more simple and more expensive to manufacture, reliable over time and, in any case, easy to maintain.

Details and advantages will appear more clearly Additional drive system according to this invention from the description of an embodiment preferred, made by way of non-limiting indicative example, with reference to the attached drawings, in which:

Figure 1 shows a global view of a Venetian blind and a relevant control device, of according to the present invention;

Figure 2 shows a perspective view of a Venetian blind without a frame that retains the glass;

Figure 3 shows a view of a part of a Venetian blind in a second embodiment, where the drive device is illustrated excessively enlarged;

Figure 4 shows a view of a section of a Venetian blind at the level of the electric motor apparatus;

Figure 5 shows the support plate of drive system contacts;

Figure 6 shows the back side of the control device;

Figure 7 shows the front side of the control device;

Figure 8 shows a perspective view exploded from the contact support plate; Y

Figure 9 shows a perspective view awakened from the control device.

In particular, the drive system for operating a Venetian blind 10 of the present invention is advantageously applicable to a Venetian blind double 10 vision, that is, a blind 10 in which the adjustable slats 12 and the relevant means of displacement are arranged in a hermetic airspace bounded by two 10 'crystals.

The invention is applicable in any case, of the same way, to other types of doors or windows, such as roller blinds, equipped with a propelled device by motor to move the closing means of such doors or windows

The system to operate the Venetian blind 10 comprises a suitable electric motor apparatus 11 (figure 4) to automatically move the rise and fall of slats 12 of said Venetian blind 10. The motor apparatus 11 electric is seated on a part of the frame 13 that supports the window 10. Preferably, the electric motor apparatus 11 comprises a motor reduction gear 14 coupled to a roller or shaft 15 for winding / unwinding the ropes 12 'of the mobile slats 12.

The reduction gear 14 of the motor and the shaft 15 are located in a seat 16 with a horizontal extension obtained in a box or upper part 17 of the frame 13 of the blind 10.

According to a preferred embodiment, shaft 15 is associated with a mechanical stop device 18 suitable to stop the movement of said axis 15, when the blind 10 reaches a certain position in height.

Seat 16 does not have an electric device or additional electronics to power 22 and control 20 the device 11 electric motor.

A contact support plate 19 is fixed to the frame 13 of the blind 10, or to one of the crystals 10 ', in any case in a position comfortably accessible by the user, where at least two 19 'electrical contacts are embedded, electrically connected to the reduction gear 14 of the engine.

The contact support plate 19 is suitable for electrically coupling to a device 20 of control comprising power supply means 22 of the gear reduction gear 14 and electronic means 44 of control of said gear 14. The control device 20 is formed as a normal remote control, that is, a device included in container 26 in the form of a box independent of the blind 10 and that can be transported by the user. He control device 20 is provided with electrical contacts 23 suitable for electrical coupling with contacts electrical 19 'of the plate 19, to electrically connect the power means 22 and electronic control means 44 with the electric motor apparatus 11.

According to an advantageous embodiment, the contact support plate 19 is attached to the glass 10 ' (figures 3, 4), screwed to frame 13 (figure 1) or to a simple glass retention frame 50 detachably coupled with the framework 13 (figure 2), according to the needs. Plate 19 is connected to the motor reduction gear 14 by means of the electrical conductors 24, for example in the form of a plate, which extends along an external element 25 of frame 13 of the shutter and that can be advantageously hidden by the frame 50 of crystal retention, so that it is substantially hidden from the view

In the case described here of the blind 10 with double vision 10 ', the electrical conductors 24 are associated with adequate sealing means to prevent any air passage between the interior of the airspace and the outside environment.

According to a general embodiment of the invention, the contact support plate 19 and the device 20 control can be magnetically coupled to each other to get the electrical connection between the respective contacts electrical 19 ', 23. In other words, the coupling between the plate 19 and the control device 20 which allows establishing a electrical connection between the respective electrical contacts 19 ', 23 is given by a magnetic field that attracts the device 20 of control to the plate 19.

To this end, the support plate 19 of contacts is provided with a magnet 29 suitable to attract a element made of ferromagnetic material 23 associated with the device 20 of control.

According to one embodiment, the plate 19 contact support is provided with two suitable magnets 29 to mate with the corresponding material plates ferromagnetic associated with the control device 20 and that they act as electrical contacts 23.

According to a preferred embodiment, each electrical contact 19 'of the plate 19 is placed in contact with a respective magnet 29 to form a single conductive element in he. In other words, magnets 29 have the dual function of coupling means between device 20 and plate 19 and electrical conduction means between contacts 23 of the control device 20 and contacts 19 'of plate 19. Must indicate that the presence of electrical contacts 19 'is adequate because it would be difficult to connect, for example by welding, electrical conductors 24 directly to the magnets 29.

Advantageously in addition, the magnetic coupling it is such that it exceeds the force of the weight of the control device 20, which remains fixed to plate 19 as soon as it travels near it, without the need to be held manually by the user and without the use of additional coupling means.

The ferromagnetic material of the contacts Electrical 23 is, for example, a ferric phosphate.

According to a preferred embodiment, the contact support plate 19 comprises a suitable base 30 to be fixed, for example, by a double-sided sheet 31 at glass 10 'of the frame 13 of the door or window. Two are obtained seats 32 on said base 30, in each of which there are seated an electrical contact 19 'and a magnet 29 superimposed on it. The electrical contacts 19 'have a laminar shape and are welded to conductors 24 protruding from plate 19. The magnets 29 also have a flat shape such as a splint. The plate 19 is completed by a cover 33 fixed to the base 30, by example by screws 34. At the level of the magnets 29, the cover 33 it has respective windows 35 through which it protrudes the outer surface of the magnets 29, suitably for the contact plates 23 of the control device 20.

The plate 19 is therefore very thick small, for example in the range of a few millimeters. The magnets 29 are almost embedded in plate 19, that is, they do not protrude considerably from the front surface of the plate itself 19.

The base 30 and the cover 33 of the plate 19 can be also made of plastic or rubber material, for example transparent polycarbonate, so that it is hidden as much as possible with frame 13 or glass 10 '.

Also the plates 23 of the device 20 of control have a flat way not to stand out considerably from the box-shaped container 26 of the device 20 of control.

Furthermore, advantageously, the plates 23 have a contact surface wide enough to allow immediate centering and thus interlock between device 20 of control and plate 19. In other words, the user does not need be careful with the alignment between the magnets 29 of the plate 19 and the plates 23 of the control device 20; instead, to as the user brings the control device 20 to the board 19, so that the side of the box-shaped container 26 which contains the plates 23 look towards the plate 19, the force of the field magnetic causes the two parts to combine immediately from one right way.

According to a preferred embodiment, the plates 23 are fixed to the container 26 in the form of a box of the control device 20 by means of contact screws 40. The contact screws 40 penetrate said container 26 in the form of box and electrically connect to power means 22 and 44 of control of the motor apparatus 11. For example, said screws 40 are screwed to interlocking washers 41 that hold the own screws 40 to a pair of electrical wires 42 that connect the electrical contacts 23, 40 to the means 22 of supply and control 44 of the motor apparatus 11, arranged in the container 26 in the form of a box.

In one embodiment, the means 22 of Power supply comprise at least one electric battery, preferably rechargeable type. To this end, device 20 control is provided with an electric plug 27 for connection to a battery charger (not shown).

According to an advantageous embodiment, electronic control means 44 comprise:

- means to control the rise and fall of the blind 10, allowing the arrest of the same in any position;

- means to control a slow movement of the Venetian blind, which allows the rotation of the slats 12 and therefore a slight adjustment;

- at least one circuit to acquire the position and speed of motor reduction gear 14 and a circuit to detect the current absorbed by said gear 14;

- media with function of self-learning of the position of the blind, of according to the current absorbed by the motor apparatus 11 electric;

- means to calibrate the absorbed current by the electric motor apparatus 11, according to the weight and dimensions of the blind 10.

The media with the function of self-learning allow you to store a position of end of travel subsequently to the detection of a peak of current due to the activation of mechanical device 18 of detention.

The circuit to detect the absorbed current is arranged to interrupt the power to the apparatus 11 of electric motor when the absorbed current exceeds a value default threshold.

Advantageously, the control device 20 It comprises at least one electrical switch that can be operated by the user by means of a key 28, 28 'or a button, to enable / disable an electrical connection between the means 22 of power supply and / or electronic control means 44 of control device 20 and motor gear 14 electric.

For example, a key 28 may be provided to control the rise of the blind 10 and a key 28 'to control the descent of the blind 10.

The control device 20 is provided in addition to light signaling devices 52 to indicate, by For example, the correct movement of raising or lowering the blind 10 or battery status.

It should be noted that, advantageously, the system drive with magnetic coupling according to the invention allows the user to press a raise key 28 or 28 'of lowering the blind, thanks to the fact that the device 20 of control remains connected autonomously to board 19 of contact support, letting the control device 20, while the blind 10 is moving, check for example other blinds 10.

Once the blind 10 is activated, the device 20 control can be disconnected from plate 19, but also You can stay connected to it.

Claims (22)

1. A system to operate a blind Venetian (10), a folded, a roller blind, a blind of rolling slats or other similar means to close a door or window, which comprises: - a suitable electric motor apparatus (11) to move said Venetian blind (10), louver blind or similar, said apparatus (11) being suitable for being placed in a seat (16) formed in a body or part of a frame (13) of said door or window, said seat (16) being free of any electrical or electronic device (22, 20) of power and control, - a contact support plate (19) suitable to be fixed to the glass (10 ') of the door or window in a position accessible by the user and comprising at least two electrical contacts (19 ') electrically connected to said apparatus (11) electric motor, and - a control device (20) comprising power supply means (22) of the motor apparatus (11) electrical and electronic control means (44) for controlling said apparatus (11), said control device (20) being transportable by the user and having at least two electrical contacts (23), suitable for coupling to the electrical contacts (19 ') of the contact support plate (19), for electrically connecting said feeding means (22) and said electronic means (44) for controlling the electric motor apparatus (11); characterized in that the contact support plate (19) is provided with two magnets (29), each of the electrical contacts (19 ') of the contact support plate (19) being placed in contact with a respective magnet ( 29), so that it forms a single conductive element with it, and because the control device (20) comprises two elements (23) made of ferromagnetic material suitable to be attracted by said magnets (29) and which act as electrical contacts ( 23), such that the contact support plate (19) and the control device (20) are suitable to be magnetically coupled to each other to obtain the electrical connection between the respective electrical contacts (19 ', 23). 2. System according to claim 1, wherein the contact support plate (19) comprises a base (30) suitable to be fixed to the glass (10 ') or to the frame (13) of the door or window where two seats (32) are obtained, being seated in each of them an electrical contact (19 ') and a magnet (29) superimposed on him. 3. System according to claim 2, in which the electrical contacts (19 ') have a laminar shape and are welded to the respective conductor wires (24) that emerge of the plate (19). 4. System according to claim 3, in which the magnets (29) also have a flat shape such as a splint, so that they are substantially embedded in the base (30) of the contact support plate (19). 5. System according to claim 4, in which the contact support plate (19) is closed with a cover (33), where there are practiced respective windows (35) in the magnets (29), through which the surface protrudes outside of the magnets (29), properly to enter contact with the plates (23) of the control device (20). 6. System according to any of the preceding claims, wherein the magnetic coupling between the contact support plate (19) and the device (20) of control is such that it exceeds the force of the weight of said device (20) control. 7. System according to any of the preceding claims, wherein the support plate (19) of Contacts is made of plastic or rubber material, for example transparent polycarbonate. 8. System according to any of the preceding claims, wherein the electrical contacts (23) of the control device (20) are fixed to a container (26) in the form of a control device box (20), by means of contact screws (40) that penetrate said container (26) and are electrically connected to the supply means (22) electric and (44) control device (20) control. 9. System according to any of the preceding claims, wherein said motor apparatus (11) Electric comprises a gear reduction gear (14). 10. System according to claim 9, wherein said motor reduction gear (14) is coupled to a roller or shaft (15) to wind / unwind the blind Venetian (10), roller blinds or similar. 11. System according to any of the preceding claims, wherein said means (22) of Power supply comprise at least one electric battery, for example of the rechargeable type. 12. System according to any of the preceding claims, wherein the device (20) of control comprises at least one electrical switch that can operated by the user by means of a key or a button (28, 28 '), to activate / deactivate an electrical connection between the power supply means (22) and / or electronic means (44) control of the control device (20) and the apparatus (11) of electric motor. 13. System according to any of the preceding claims, wherein said electronic means (44) of control comprise means for actuating a movement in a direction and in the opposite direction to the blind (10), the blind of rolling slats or similar, which allows the detention of the same in any position. 14. System according to any of the preceding claims, wherein said electronic means (44) control comprise means for controlling slow movement of the Venetian blind (10), the roller blind slat or similar, allowing rotation and adjustment of light. 15. System according to any of the preceding claims, wherein said electronic means (44) control comprise at least one circuit to acquire the position and speed of the electric motor apparatus (11), and a circuit to detect the current absorbed by said apparatus (eleven). 16. System according to claim 15, wherein said circuit to detect the absorbed current is arranged to interrupt the power to the motor apparatus (11) electrical, when the absorbed current exceeds a threshold value predetermined. 17. System according to claim 10, wherein the shaft or roller (15) coupled to the motor apparatus (11) electric is associated with a mechanical device (18) for stopping, suitable for stopping the movement of said axis (15) when the blind (10), roller blinds or similar reaches a default position 18. System according to claim 17, wherein said electronic control means (44) comprise media with self-learning function, which allows storing a end-of-travel position subsequent to the detection of a peak current due to activation of the mechanical device (18) of detention. 19. System according to any of the preceding claims, wherein said electronic means (44) control comprise means for a calibration of the current absorbed by the electric motor apparatus (11), based on the weight and dimensions of the Venetian blind (10), roller blinds or similar. 20. Door or window with Venetian blind (10), roller blinds or similar moving means such as closing means, comprising a system according to any of the preceding claims for operating the Venetian blind (10), roller blind or middle blind similar mobiles, where the electric motor apparatus (11) is located in a seat (16) formed in the body or part of a frame (13) of said door or window, said seat (16) being free of any electrical or electronic device (22, 20) of power and control inside the body or part of the frame, and where the plate (19) contact support is fixed to the glass (10 ') or the frame (13) of the door or window, or to a frame (50) for retaining the door or window glass, in a position accessible by the Username. 21. Door or window according to the claim 20, wherein the contact support plate (19) is attached to the glass (10 ') or screwed to the frame (13) or to the frame (50) glass retention, detachably coupled to the frame (13). 22. Door or window according to the claim 20 or 21, wherein the support plate (19) of contacts is connected to the electric motor apparatus (11) by means of electrical conductors (24), extending along a external element (25) of the frame (13) of the door or window and hidden by the glass retention frame (50), so that it remains substantially hidden from view.