CH717126A1 - Electric device for the motorization of roller shutters. - Google Patents

Abstract

The present invention relates to a portable electric device (10) for the motorization of roller shutters comprising a hinge that can be actuated manually by a crank. The device (10) includes a drive module (20) including an engine block, a control module (40) for controlling the engine block, and a power module (50) including a battery for powering the electrical device. portable (10). The device further comprises a transmission system (60) comprising a first end arranged to be driven in rotation by the engine block, and a second end configured to be fixed on the articulation of the roller shutter.

Description

Technical area

The present invention relates to an electrical device for the motorization of a roller shutter, in particular slats and more particularly to an external electrical device comprising an adapter connectable to a tip of a rod of a roller shutter. The adapter is connected to a motor of the electric device which can be driven so as to rotate the adapter in both directions in order to raise or lower the shutter automatically.

State of the art

Today many homes have windows equipped with slatted roller shutters which are often actuated from the inside by a vertical rod to which is permanently fixed, at its lower end, a crank 3placed within easy reach. For new construction, electric roller shutters can be installed from the outset with a motor integrated into the hub on which the slatted panel is wound. In this case, the electrical wiring necessary to power and control the shutter motors can be easily integrated into the general electrical installation in the building.

On the other hand, a user of a roller shutter with manual control by rod and crank who wishes to motorize his equipment is faced with many difficulties, in particular the dismantling and reassembly of the box which contains the shutter, the mounting of a motor in the existing hub, the electrical wiring of the power supply and the integration of control buttons. In addition, for tenants, the aforementioned operations are prohibited since they cannot intervene on the fixed parts of a building.

External electrical devices are already known comprising an adapter connectable to an end piece of a rod of a roller shutter for the motorization of manually operated roller shutters.

[0005] By way of example, FR2834309 discloses an inner rod for a roller shutter which can be rotated either with a crank of conventional configuration, or with a cordless screwdriver. To this end, the lower end of the rod comprises a drive end piece of hexagonal section provided with a circular groove. The tip is adapted to fit either into the female end of the crank or into the end of the electric screwdriver.

[0006] EP1180576 discloses, for its part, a device for controlling the operation of a blind. The device comprises a motor fixed on a wall support. The motor is arranged to drive a motor pinion, integral with the wall support, and in engagement with a pinion mounted between the lower end of a rod and a crank for rotating the rod.

One of the drawbacks of the aforementioned devices lies in the connection of the driving part of the device to the rod of the roller shutter, the configuration of which may vary depending on the type of the roller shutter.

Brief summary of the invention

[0008] An object of the present invention is therefore to provide an electrical device for the motorization of any type of roller shutters which can be actuated by a rod.

Another object of the present invention is to provide an electrical device for the motorization of roller shutters without having to intervene on the fixed parts of a building.

Another object of the present invention is to provide a modular electrical device.

Another object of the present invention is to provide an electrical device of small portable dimensions that can easily be attached to a wall support.

[0012] These goals are attained in particular thanks to a portable electric device for the motorization of roller shutters comprising a hinge that can be actuated manually by a crank. The device includes a drive module including an engine block, a control module for controlling the engine block and a power module including a battery for powering the portable electrical device. The electrical device further comprises a transmission system comprising a first end arranged to be driven in rotation by the engine block, and a second end configured to be fixed on the articulation of the roller shutter.

In one embodiment, the drive module comprises a support on which is mounted the engine block, a cover, a fixing wall integral with the support and mounted at the front of the engine block so as to that the engine block is fixed against the fixing wall. The mounting wall has a central orifice through which passes the axis of the engine block.

In one embodiment, the cover of the drive module is of partially tubular shape having an opening in which the support is mounted. This comprises an internal surface against which the motor unit is mounted and a flat external surface intended to be fixed against a wall near the roller shutter.

In one embodiment, the engine block comprises a motor and a planetary reduction gear mounted on the motor shaft. The planetary gearbox is fixed against the mounting wall so that the axis of the gearbox passes through the central hole in the mounting wall.

In one embodiment, the drive module comprises at the rear of the engine block an inter-module fixing system for removably fixing the drive module with the control module.

In one embodiment, the power module comprises an inter-module fixing system for removably fixing the power supply mobile with the control module.

In one embodiment, the control module is in the form of a box comprising a first and a second inter-module locking wall fixed on either side of the box. The first locking wall is arranged to cooperate with the inter-module fixing system of the drive module in order to lock the control module against the drive module. The second locking wall is arranged to cooperate with the inter-module fixing system of the power module in order to lock the control module against the power module.

In one embodiment, the inter-module fixing system of the power supply module comprises a first and a second locking wall fixed on the support so as to be arranged perpendicular to the support and parallel to one another. to the other. The first locking wall comprises fixing means while the second locking wall comprises openings arranged opposite the fixing means. The first inter-module locking wall of the control module comprises complementary fixing means arranged to cooperate with the fixing means of the first locking wall through the openings of the second locking wall of the power module.

In one embodiment, a controller and a control circuit are mounted inside the control module.

In one embodiment, the transmission system comprises a rod, a fastening piece arranged at one end of the rod and adapted to be attached to the articulation of the roller shutter, an adapter mounted on the axis of the engine block and a joint fixed, on the one hand, on the adapter and, on the other hand, on a second end of the rod.

Brief description of the figures

Examples of implementation of the invention are indicated in the description illustrated by the appended figures in which FIG. 1 illustrates a perspective view of the portable electric device for the motorization of roller shutters; FIG. 2 illustrates a view similar to FIG. 1 in which the different modules are dissociated from each other; FIG. 3 illustrates an exploded view of the different modules of FIG. 2; FIG. 4 illustrates an exploded view of the drive module of the portable electrical device of FIG. 1; Figure 5 illustrates a side view of the partially assembled drive module; FIG. 6 illustrates a top view of the training module; FIG. 7 illustrates a rear view of the training module; FIGS. 8 to 10 illustrate an assembly sequence of the drive module with the control module of the portable electrical device of FIG. 1; Figure 11 shows a perspective view of the power module partially exploded, FIG. 12 illustrates an exploded view of the transmission system between the axis of the motor and the toggle of the existing roller shutter, and Figure 13 illustrates a perspective view of a gimbal intended to be integrated into the link system of Figure 12.

Example (s) of embodiment of the invention

The electrical device 10selon Figure 1est suitable for the motorization of rolling shutters. The device is able to adapt to any existing crank shutter installation in order to make it electric and not manual. There is then no question of replacing the manual installation but rather of grafting a “prosthesis” allowing the person to benefit from the comfort of an electrical installation at a lower cost and with great ease of installation. The electrical device 10est intended mainly for individuals setting up the device themselves in compliance with property rights.

The electrical device 10pour the motorization of rolling shutters comprises a modular structure which can be assembled and detached easily. According to Figures 1 and 2, the device 10 comprises a drive module 20 comprising an engine block 21 (Figure 3) arranged to actuate a rotation a transmission system 60 adapted to be attached to the existing articulation of the roller shutter, a control module 40 comprising the electronics necessary to control the engine block 21 and a power supply module 50 comprising a battery (not shown) to power the electrical device 10.

Referring to Figures 4 to 7, the engine block 21 of the drive module 20 is mounted on an internal surface 22a of a support 22. The engine block 21 comprises a motor 21a and a planetary reduction gear 21b mounted on the axis of engine 21a. A fixing wall 24est fixed to the internal face 22a of the support 22 perpendicularly thereto at the front of the planetary reduction gear 21b. The fixing wall 24 has a central orifice 24a so that the axis 21c of the planetary gearbox 21b passes through this hole as can be seen in FIG. 1. The front face of the planetary gearbox 21b is fixed against the wall of the planetary gearbox. fixing 24.

The motor 21a is for example a brushless direct current motor of the type 57BLF01 in the NEMA 23 format offered by the manufacturer LongsMotor. The motor must be able to produce an output power of 47W so as to output a minimum torque of 6Nm for 60rpm. The objective is therefore to select a motor having an original rather low speed of rotation but a reasonable torque in order to graft the reduction gear 21b thereto in order to achieve the desired performance.

This motor has the advantage of having a nominal voltage of 24V which makes it possible to reduce the current values required and thus relieve the battery, thus increasing the autonomy of the electrical device 10pour the roller shutter motorization. The 57BLF01 type motor has a maximum operating point at 3000rpm for 0.2Nm which, coupled with a 1/50 ratio reducer, gives a torque of 10Nm for 60rpm, all for a current around 4A. In addition, Hall probes are accessible and therefore allow more precise and efficient control of the electrical device 10.

According to an advantageous embodiment, the drive module 20 can include a motor directly integrating the reduction gear.

According to Figure 4, the drive module 20 comprises a cover 31de partially tubular shape having an opening in which is mounted the support 22. One end of the cover 31est fixed against the fixing wall 24, while an opposite end of the cover 31 is fixed against an inter-module fixing system 25 to removably fix the drive module 20 with the control module 40. With reference to Figures 5 to 7, the support 22 comprises a flat surface 22b intended to be fixed against a nearby wall. of the roller shutter. The support 22 comprises for this purpose several fixing holes 23a, 23b, 23c arranged on either side of the cover 31.

A screw-nut system is used for fixing the three walls 24, 26, 28. The screws used are countersunk head, for example of the M4-ISO 10642 type. The screw heads are thus embedded in the various walls . The second wall 25est moreover attached, via the cover 31, to the first wall 24solidaire of the motor 21afin to reinforce the fixing.

According to Figure 12, the power module 50 also comprises an inter-module fixing system 52 for removably fixing the power supply mobile 50 with the control module 40.

Referring to Figures 4 and 5, the inter-module fixing system 25du power module 20 comprises a first and a second locking wall 26, 28 fixed on the internal face 22a of the support 22 so as to be arranged perpendicular to the support 22 and parallel to each other. The first locking wall 26 comprises fixing means 27 in the form of two pairs of tabs extending perpendicularly to the first wall 26 on either side of a middle part of the first wall 26.

Each pair of tongues 27 are superimposed and each have a through hole 27a which are axially aligned. The second locking wall 28 has two openings 28a arranged opposite the two pairs of tabs 27. The inter-module fixing system 25 of the power supply module 20 also comprises a locking part 29. This locking part comprises two rods 30 arranged to be introduced into the aligned through holes 27a of each pair of tabs 27.

Referring to Figure 11, the control module 40est in the form of a box 48 comprising a first and a second inter-module locking wall 46, 47 fixed on either side of the box 48. The first wall 46 is arranged to cooperate with the inter-module fixing system 25 of the drive module 20 in order to lock the control module 40 against the drive module 20. The second locking wall 47 is arranged to cooperate with the inter-module fixing system. modules 52 of the power supply module 50 in order to lock the control module 40 against the power supply module 50.

The first inter-module locking wall 46du control module 40 comprises complementary fixing means 46a in the form of two fixing tabs each comprising a through hole and arranged to be inserted between the respective pairs of tabs 27de the first wall inter-module fastening system 25 of the power module 20 through the openings 28a of the second locking wall 28 so that the through holes of the two fixing tabs 46a are aligned with the aligned through holes 27a of each pair of tabs 27 of the first locking wall 26 inter-module fixing system 25 of the power supply module 20.

In order to lock the transmission module 20 against the control module 40, the two rods 30 of the locking piece 29 are introduced into the aligned holes of the respective pairs of tabs 27 and of the corresponding fixing tab 46a as can be seen on Figures 9 and 10.

The locking of the power module 50 against the control module 40 is made in a similar manner as can be seen in Figures 11 and 12. The inter-module fixing system 52du power module 50 has a locking wall 53comportant two openings 53a leading to two pairs of fixing tabs. The second locking wall 47 of the control module 40 has fixing tabs 47a arranged to fit into the openings of the locking wall 53. Two rods of a locking piece 55 are then inserted into the superimposed holes of the two pairs of tabs. fixing brackets and fixing tabs 47a.

According to Figure 11, the control module 40est configured to control the electronic device 10 as a whole. The goal is to reduce the size as much as possible while still maintaining a certain ease of assembly and a little space to allow air to circulate to cool the components. The control module comprises a controller 41 mounted on a controller holder 42 as well as a control circuit 43 mounted on a control circuit holder 45.

The controller 41 makes it possible to control the speed of the brushless direct current motor and comprises current sensors for measuring the current peaks of the motor which may be generated by the presence of an obstacle in the path of the roller shutter. The control circuit 45 comprises a printed circuit (not illustrated) on which are mounted a microcontroller, a current sensor, for example a hall effect current sensor, a voltage converter and a switch.

The microcontroller makes it possible to control the raising or lowering of the roller shutter as a function of the position of the switch and of current peaks, measured by the various current sensors.

The switch is, for example, a three-position ON-OFF-ON switch passing through an opening 49 arranged on the housing 48 of the control module 40 as can be seen in particular in FIG. 11.

The voltage converter is adapted to supply the control circuit 43a voltage of 9V for its power supply regardless of the fluctuations in the voltage of the battery level. The converter is capable of supplying a current of 500mA, which turns out to be quite sufficient to satisfy the consumption of the control circuit 45.

The different walls of the inter-module fixing systems 25, 52 of the drive and power supply modules 20, 50 as well as the first and second inter-module locking walls 46, 47 of the control module 40 each have passages for the connection between the different modules.

Two four-pin connectors (not shown) are arranged in two passages 46a of the first inter-module locking wall 46du power supply module 40 as well as in the two passages 28b of the second locking wall 28du inter-locking system -modules 25 of the drive module 20. These two four-pin connectors make it possible to pass from the control module 40 to the drive module 20 the three phases of the motor 21a, the earth, the connections of the current sensors as well as the power supply for these sensors.

A two-pin connector (not shown) is arranged in a passage 47b of the second inter-module locking wall 47du control module 40 (Figure 11) as well as in a passage 53b of the locking wall 53du system inter-module fixing 52 of the power supply module 50 in order to connect the battery to the printed circuit of the control circuit 45 of the control module 40.

The battery is for example of the lithium-ion type having a nominal voltage of 24V and a capacity of 6Ah.

The axis 21c of the engine block 21illustrated in particular in FIG. 5 is connected to a transmission system 60illustré in FIG. 13. The transmission system 60 comprises a rod 21, a fixing part 62 arranged at one end of the rod 21 and adapted to be fixed to the articulation of the roller shutter, an adapter 63 mounted on the axis of the engine block 21 and an articulation 64 (figure 14) fixed, on the one hand, on the adapter 63 and, on the other hand, on a second end of the rod 21.

Reference list

Drive module 20 Motor unit 21 Motor 21a Planetary gearbox 21b Axis 21c Support 22 Internal surface 22a External surface 22b Fixing holes 23a, 23b, 23c Fixing walls 24 Central hole 24a Inter-module fixing system 25 First wall locking device 26 Locking tabs 27 Through-holes 27a Second locking wall 28 Openings 28a Passages for connection 28b Locking piece 29 Locking rods 30 Removable cover 31 Control module 40 Controller 41 Controller support 42 Control circuit 43 Printed circuit Converter voltage Current probe Switch Control circuit support 45 First inter-module locking wall 46 Fixing tab 46a Passages for the connections 46b Second inter-module locking wall 47 Fixing tab 47a Passage for the connections 47b Case 48 Opening for switch 49 Power supply module 50 Battery Inter mounting system -modules 52 Locking wall 53 Locking tabs 54 Through-holes 54a Openings 53a Connection passage 53b Locking piece 55 Locking rods 56 Housing 57 Transmission system 60 Rod 61 Fastening piece 62 Adapter 63 Joint 64 Cardan joint

Claims (10)

1. Electrical device (10) for the motorization of roller shutters comprising a hinge that can be actuated manually by a crank, the device (10) comprising a drive module (20) comprising an engine block (21), a control module. control (40) for controlling the engine block, a power module (50) including a battery for powering the portable electrical device (10), and a transmission system (60) having a first end arranged to be rotated by the engine block (21) and a second end configured to be fixed on the articulation of the roller shutter. 2. Device according to claim 1, wherein the drive module (20) comprises a support (22) on which is mounted the engine block (21), a cover (31), a fixing wall (24) integral of the support (22) and mounted at the front of the engine block (21) so that the engine block (21) is fixed against the fixing wall (24), said wall (24) having a central hole (24a) through which passes the axis of the engine block (21). 3. Device according to the preceding claim, wherein the cover (31) of the drive module (20) is partially tubular in shape having an opening in which is mounted the support (22), said support (22) having an internal surface. (22a) against which the motor unit (21) is mounted and a planar external surface (22b) intended to be fixed against a wall near the roller shutter. 4. Device according to one of the preceding claims, wherein the engine block (21) comprises a motor (21a) and a planetary gearbox (21b) mounted on the motor shaft (21a), the planetary gearbox (21b) being fixed against the fixing wall (24) so that the axis of said reducer (21b) passes through the central hole (24a) of the fixing wall (24). 5. Device according to one of the preceding claims, wherein the drive module (20) comprises at the rear of the engine block (21) an inter-module fixing system (25) for removably fixing the module. drive (20) with the control module (40). 6. Device according to the preceding claim, wherein the supply module (50) comprises an inter-module fixing system (52) for removably fixing the supply mobile (50) with the control module (40). . 7. Device according to the preceding claim, wherein the control module (40) is in the form of a housing (48) comprising a first and a second inter-module locking wall (46, 47) fixed on both sides. 'other of the housing (48), said first locking wall (46) being arranged to cooperate with the inter-module fixing system (25) of the drive module (20) in order to lock the control module (40) against the drive module (20), said second locking wall (47) being arranged to cooperate with the inter-module fixing system (52) of the power module (50) in order to lock the control module (40) against the power supply module (50). 8. Device according to one of claims 5 to 7, wherein the inter-module fixing system (25) of the power supply module (20) comprises a first and a second locking wall (26, 28) fixed on the support. (22) so as to be arranged perpendicular to the support (22) and parallel to each other, the first locking wall (26) comprising fixing means (27), the second locking wall (28) ) comprising openings (28a) arranged opposite the fixing means (27), the first inter-module locking wall (46) of the control module (40) comprising complementary fixing means (46a) arranged to cooperate with the fixing means (27) of the first locking wall (26) through the openings (28a) of the second locking wall (28) of the supply module (20). 9. Device according to one of the preceding claims, wherein a controller (41) and a control circuit (43) are mounted inside the control module (40). 10. Device according to one of the preceding claims, wherein the transmission system (60) comprises a rod (21), a fixing part (62) arranged at one end of the rod (21) and adapted to be attached to the articulation of the roller shutter, an adapter (63) mounted on the axis of the engine block (21) and an articulation (64) fixed, on the one hand, on the adapter and, on the other hand, on a second end of the rod (21).