Actuator for driving curtain

Abstract

The invention relates to an actuator for driving a sunscreen or shading curtain between a plurality of positions, comprising an electric motor (4), a reduction gear (6), at least one battery (8) powering the geared motor, a circuit (12) for controlling the geared motor, a charging connector (16) designed to allow the at least one battery (8) to be connected to a power supply device, the actuator further comprises a housing (2) having a longitudinal axis (X) for housing the electric motor (4), the reduction gear (6), the battery (8) and the control circuit (12), the charging connector (16) being a standard connector, the charging connector (16) being designed to cooperate with a power supply device comprising a standard connector corresponding to the standard connector of the actuator. The control circuit (12) has means for transmitting a request to the power supply device for a power supply profile comprising at least a fixed voltage and a maximum current.

Description

[0001] Technical field and prior art

[0002] The present invention relates to an actuator for driving a sun protection or blackout screen, such as a blind, between a plurality of positions.

[0003] An example of an actuator for driving a sun protection or shading curtain between several positions is described in document EP3896247.

[0004] Such an actuator for a blind or roller blind comprises a torque support and a housing in which an electric motor, a reduction gear, one or more power supply batteries and at least part of a control circuit are accommodated. The housing has a cylindrical rotating body. The torque support and the housing are mechanically connected to each other. The torque support or actuator head comprises a support element for mounting the actuator on a frame, i.e. on a fixed structure of a building, in which the actuator is mounted.

[0005] The actuator is designed to be at least partially inserted into a winding tube, on which the sun protection or shading curtain is designed to be wound.

[0006] The reduction gear is extended by an output shaft, which extends outside the housing and rotates relative to the housing to rotate the winding tube, such as by a connection attachment between the output shaft and the winding tube.

[0007] The control circuit comprises one or more electronic circuits. In particular, the control circuit manages the power to be supplied to the electric motor and the power to be supplied to the battery. The actuator comprises a charging connector, in particular at the end of a charging cable exiting at the torque support or at a transverse or radial face of the torque support. The charging connector connects the battery or batteries to an external device for charging the battery or batteries.

[0008] Typically, the power supply device comprises a connector of a first type, and the actuator comprises a compatible charging connector. This type of connector is satisfactory, however the ergonomics of the connection leave much to be desired. Furthermore, it would be desirable to be able to improve the charging process in order to extend the life of the battery or batteries. SUMMARY OF THE INVENTION

[0010] It is therefore an object of the present invention to provide an actuator for driving a sun protection or shading curtain between a plurality of positions, the management of the power supply of which is more ergonomic and more efficient.

[0011] The above objects are achieved by an actuator for driving a sun protection or shading curtain between a plurality of positions, the actuator comprising an electric motor, a reduction gear, one or more batteries, a control circuit and an electrical connection for one or more batteries, the electrical connection providing for charging one or more batteries, the electrical connection comprising a charging connector. The actuator further comprises a torque support and a housing accommodating the electric motor, the reduction gear, one or more batteries and at least a part of the control circuit. The charging connector is a standard connector, advantageously such as a universal serial bus or USB (Universal Serial Bus) connector, very advantageously such as Version 3.0 or higher. The actuator is designed to cooperate with a power supply device comprising a standard connector corresponding to a standard connector of the actuator. According to the invention, the control circuit comprises means for transmitting a request for a power supply profile comprising at least a fixed voltage and a maximum current.

[0012] In an advantageous example, the actuator and its charging connector are configured to support PD (Power Delivery) technology, whereby a fixed voltage with maximum current at the input of the actuator is adapted to the actuator requirements according to a power supply profile selected by the actuator and transmitted by the actuator to the power supply device. For this purpose, the actuator, in particular the control circuit, for example comprises a controller between the charging connector and one or more batteries. The controller is configured to charge the battery or batteries from the voltage and current at the input of the charging connector according to the voltage and current level required by the battery or batteries. Thereby, the battery or batteries can be charged quickly.

[0013] As an alternative or supplement to PD technology, the actuator and its charging connector are configured to support programmable power supply (PPS) technology, in which the voltage and current are dynamically adjusted according to the determined state of one or more batteries. The actuator is suitable for evaluating the power supply parameters of one or more batteries, and is suitable for transmitting information about the evaluated power supply parameters through a standard charging connector. The exchange of information allows the voltage and current delivered by the power supply to the control circuit to be dynamically adjusted to fully charge one or more batteries. Then, charging is performed by knowing the charge level of one or more batteries. This data exchange is performed regularly, for example, every 10 seconds or every minute or every 10 minutes. Therefore, the actuator includes a device for evaluating the power supply parameters of at least one battery and a device for transmitting information related to the evaluated power supply parameters via a standard charging connector. Therefore, the required power supply profile is periodically re-evaluated and renegotiated to optimize the charging of the battery to adapt to the needs of one or more batteries, thereby achieving efficient charging.

[0014] By optimizing charging, the life of a battery or batteries is extended.

[0015] In a particularly advantageous example, the standard connector is (also known as USB ). This connector has the advantage of being symmetrical, so it is very easy to connect to a power supply device with a corresponding connector. In addition, the actuator supports PD (Power Delivery) technology, which is compatible with Charging connector version 3.0 and higher are compatible, which enables fast charging and high supply voltage.

[0016] The communication between the power source and the actuator allows the actuator to detect to which type of power source it is connected, a mains-connected power source or a photovoltaic panel. The power source device is for example a device directly connected to the mains or a photovoltaic panel placed close to the actuator (for example on the housing of the blocking element) and provided with a connector for connection to a charging connector of the actuator.

[0017] The charging process is then adapted to the type of power supply device.

[0018] The actuator's knowledge of the type of power device also enables tailoring of the information feedback provided to the user, for example to indicate the status of the actuator, for example, whether the actuator is being charged or has been charged.

[0019] In one example of an embodiment, the actuator, its charging connector and the power supply device are configured to support a power supply technology during a charging phase at least according to a first power supply profile and a second power supply profile, the first power supply profile and the second power supply profile being distinguished by at least one power supply profile parameter value, so that the power supply device supplies voltage and current according to the first power supply profile and the second power supply profile. One or both of the actuator and the power supply device also include a device configured to transmit an information signal to a user, which at least informs the user that charging of the actuator is being performed according to at least one of the first power supply profile and the second power supply profile. The user is then not only informed that the actuator is being charged, but also informed under what conditions the actuator is being charged. In an example of an embodiment where charging is performed using a power delivery technology, the user is informed and understands that charging is performed in an optimized manner.

[0020] The means for transmitting the information signal comprises, for example, a Zener diode placed between a power supply and the means configured to transmit the signal, for example a light emitting diode, said Zener diode becoming conductive for a supply voltage of the first supply profile or of the second supply profile.

[0021] The subject of the invention is therefore an actuator for driving a sun protection or shading curtain between multiple positions, the actuator comprising: an electric motor, a reduction gear, at least one battery for supplying power to the electric motor, a control circuit, a charging connector configured to connect the actuator to a device for supplying power to the at least one battery, the actuator also comprising a torque support and a housing with a longitudinal axis, the housing housing the electric motor, the reduction gear, the battery and at least a part of the control circuit, the charging connector being a standard connector, the actuator being designed to cooperate with a power supply device comprising a standard connector corresponding to the standard connector of the actuator. The control circuit comprises means for transmitting to the power supply device a request for a power supply profile comprising at least a fixed voltage and a maximum current.

[0022] In an advantageous example, the control circuit comprises means for evaluating a supply parameter of the at least one battery and means for transmitting information relating to the evaluated supply parameter via the standard charging connector.

[0023] For example, the charging connector has multiple pins, some of which are used to transmit the power supply profile required by the actuator.

[0024] The control circuit may include a controller disposed between the charging connector and the at least one battery, the controller being configured to charge the at least one battery based on a voltage and a current at an input terminal of the charging connector.

[0025] Preferably, the control circuit is configured to manage the power supply of the at least one battery in a first mode when the voltage and current at the input of the charging connector correspond to the power supply profile required by the actuator, and to manage the power supply of the at least one battery in a second mode when the voltage and current at the input of the charging connector differ from the power supply profile required by the actuator. For example, the control circuit includes a user interface and is configured to send at least one information to the user through the interface, the at least one information being different depending on the power supply device connected to the actuator.

[0026] In an advantageous example, the control circuit comprises a first circuit board supporting the control circuit of the motor and a second circuit board supporting the charging connector, the second circuit board being arranged at a longitudinal end of the housing perpendicular to the longitudinal axis, the charging connector being radially oriented relative to the longitudinal axis.

[0027] Advantageously, the second plate comprises a first circular portion and a second portion which is radially arranged so as to form a protrusion relative to the outer contour of the first portion, and the charging connector is fastened to the second plate so as to extend mainly at the protrusion.

[0028] Very advantageously, the charging connector comprises a plane of symmetry which is substantially parallel, more particularly substantially coincident, with the plane in which the second board extends, and the second circuit board comprises a cutout in which the charging connector is mounted.

[0029] Preferably, the charging connector complies with standard, and is configured to transmit information using PD (Power Delivery) technology and, where appropriate, PPS (Programmable Power Supply) technology.

[0030] Another subject of the invention is an assembly comprising at least one actuator according to the invention and a power supply device of at least one battery for the actuator. The power supply device may comprise at least one standard connector compatible with a standard charging connector of the actuator and when the power supply device is connected to the actuator and upon receiving a request for a power supply profile comprising at least a fixed voltage and a maximum current, the power supply profile being selected by the actuator as a function of the capacity provided by the charging device, the power supply device is configured to supply a voltage and a current corresponding to the profile.

[0031] Advantageously, the charging connector and the power supply device comprise magnetic interlocking means.

[0032] Another subject of the present application is a method for supplying power to an actuator for driving a sun protection or shading curtain between multiple positions. The actuator includes: an electric motor, a reduction gear, at least one battery for supplying power to the electric motor, a control circuit, and a charging connector, which is configured to enable the actuator to be connected to a device for supplying power to at least one battery. The actuator also includes a housing with a longitudinal axis, which accommodates the electric motor, the reduction gear, the battery and at least a part of the control circuit. The charging connector is a standard connector. The actuator is designed to cooperate with a power supply device, which includes a standard connector corresponding to the standard connector of the actuator. The control circuit includes at least a fixed voltage and a maximum current for the power supply device. The method is implemented by the actuator and includes at least one of the following steps: transmitting a request for a power supply profile including at least a fixed voltage and a maximum current to the power supply device through the control circuit; and advantageously, according to the requested power supply profile, the power supply device supplies power to at least one battery.

[0033] In one example of operation, when an electrical connection is established between the power device and the actuator, the actuator issues a request for a capacity profile of the power device prior to the transmitting step, and during the selecting step, the actuator selects one of a plurality of profiles corresponding to the capacity profile of the power device.

[0034] In another example of operation, at least one battery powers operation of the engine independently of the steps of the powering method.

[0035] In the case that the power supply device does not receive the request, the step of delivering a fixed voltage and a minimum current to the actuator may be implemented by the power supply device. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The present invention will be better understood with the aid of the following description and accompanying drawings, in which:

[0038] Figure 1A is a side view of an example of an actuator for driving a sunscreen or shading curtain according to the present invention,

[0039] Figure 1B yes Figure 1A An exploded view of the actuator shown in

[0040] Figure 2A is a perspective view of an example of a charging connector applicable to the present invention,

[0041] Figure 2B is a schematic perspective view of an example of a magnetic charging connector,

[0042] Figure 2C is a perspective view of an example of a magnetic charging connector of a power supply device and an assembly of the magnetic connector,

[0043] Figure 3 is a functional diagram of the connection between an actuator and a power supply device according to the invention,

[0044] Figure 4 is a flow chart of an example of a method for charging an actuator according to the present invention,

[0045] Figure 5 is a detailed view of an actuator head including means for informing a user of the progress of charging of a battery or batteries,

[0046] Figure 6 is a representation of the circuitry of an information device implemented according to an example of the present invention,

[0047] Figure 7 is a representation of a circuit of an information device according to another example implementation of the embodiment,

[0048] Figure 8 Yes, you can Figure 1A A front view of an example of a second plate implemented in the actuator shown in,

[0049] Fig. 9 yes Figure 8 A perspective view of the second plate shown in,

[0050] Fig.10 It is integrated Figure 8 A top view of the torque support of the plate shown in,

[0051] Fig.11 is a perspective view of another example of an actuator torque support according to the present invention,

[0052] Fig.12 yes Fig.11 A top view of the torque support shown in FIG. DETAILED DESCRIPTION

[0053] Figure 1A and 1B A schematic diagram of an actuator for driving a sun protection or blackout curtain (not shown) such as a curtain, blind, etc. between a plurality of positions is shown.

[0054] The actuator A1 has a substantially cylindrical body of rotation with axis X. The actuator A1 comprises a torque head or torque support 1, a housing 2 with axis X, an electric motor 4 with axis X, a reduction gear 6 and a battery 8. The reduction gear 6 is extended by an output shaft 10 extending along axis X and designed to rotate an element belonging to the curtain (not shown) or a winding tube on which the curtain is mounted.

[0055] The battery 8 may be composed of a plurality of batteries connected in parallel or in series.

[0056] The battery is designed to supply the electric motor with electric power for rotating the electric motor.

[0057] The actuator further comprises a control circuit 12 of the motor formed by one or more circuit boards. The circuit 12 is connected to the motor 4 and to the battery 8. The battery is also designed to supply power to the control circuit 12. In particular, the control circuit comprises a first circuit board 13 which, in the example shown, is arranged parallel to the axis X. The control circuit further comprises a second circuit board 15 which is arranged in parallel to the axis X. Figure 1A and Figure 1B In the example shown in , the second circuit board 15 is located in the torque support 1 at a longitudinal end of the housing and is arranged perpendicularly to the axis X.

[0058] The control circuit comprises an external communication unit for communicating with external devices, in particular for communicating with radio frequency waves. The communication unit may be supported by one or more circuit boards of the control circuit.

[0059] In particular, the external communication unit comprises a radio frequency transceiver by means of which commands to move the curtain can be transmitted from a radio remote control (not shown) and physical communication elements for the user, such as light emitting diodes or LEDs and / or programming buttons.

[0060] In the example shown, the second circuit board 15 supports a battery charging connector 16. The charging connector 16 allows the actuator to be connected to an external power supply device, such as an external device connected to a power socket, a photovoltaic panel, or an external battery.

[0061] The torque support 1 comprises a window 18 through which the charging connector is accessible.

[0062] According to the invention, the charging connector 16 is a standard connector designed to cooperate with a power supply device 20 (shown schematically) comprising a standard connector corresponding to the standard connector of the actuator.

[0063] In this application, a "standard connector" is a connector commonly used in other applications, in particular applications intended for charging batteries, such as in electronic and / or computer applications. For example, the connector is a USB (Universal Serial Bus) connector, a connector for transmitting audio and video multimedia content in a high-definition specified HDMI (High-Definition Multimedia Interface) cable or an 8-pin Lightning connector developed by Apple.

[0064] Furthermore, the control circuit comprises means for transmitting to the power supply device a request for a power supply profile comprising at least a fixed voltage and a maximum current.

[0065] In particular, the power supply profile includes a given voltage value referred to as a fixed voltage and a maximum current value. Of course, it is understood that the voltage of the power supply profile actually supplied by the power supply device may vary significantly relative to the required fixed voltage, but remain within the same order of magnitude.

[0066] In a particularly advantageous manner, the charging connector 16 is Figure 2A Shown separately in Female connector. This connector has the advantage of having two orthogonal planes of symmetry, being reversible and non-polarized, which allows the connector to be easily inserted in any orientation, which facilitates connection to a charging source.

[0067] The female charging connector comprises a body 30 extending along the axis Y and having an oval cross section. The connector has an open end 32 for inserting a corresponding male charging connector. The body 30 has fastening lugs 34 extending transversely on both sides of the axis X. The lugs are designed to pass through the plate and be welded to the opposite face.

[0068] Advantageously, the control circuit 12 comprises a controller arranged between the charging connector 16 and the battery or batteries 8, the controller being configured to charge the battery or batteries from the voltage and current at the input of the charging connector. The controller makes it possible to regulate the charging according to the profile actually transmitted by the power supply device, in fact, as will be described below, a plurality of profiles are possible. The controller is an electronic component also known as a Li-Ion battery step-down charger (buck-boost Li-Ion battery charger). For example, in the case of a standard 5V USB connector, the voltage can reach 15V. At 5V, the controller then regulates the charging of the battery.

[0069] The charging connector 16 is designed to be connected to the power supply device 20 (in Figure 2B In such an example, the power supply device has a male connector corresponding to the charging connector 16 of the actuator. Connector 37. Thus, an easier connection (eg a "blind" connection) is possible, in particular for actuators which are not easily accessible.

[0070] exist Figure 2C In the very advantageous example shown in , the charging connector 37 'of the power supply device is connected to the magnetic adapter 35 in this way, which allows a convenient connection (e.g. a "blind" connection), in particular for actuators that are not easily accessible. The connector 37 'of the power supply device 20 is also magnetic in order to be connected to the adapter.

[0071] The magnetic interlocking device can be implemented with different standard connectors mentioned above.

[0072] Furthermore, the actuator preferably supports the PD (Power Delivery) technology associated with USB version 3.0 and standards following, and even more preferably supports the PD technology and the PPS (Programmable Power Supply) technology.

[0073] PD technology delivers more power to the battery and charges it faster than connectors that are not PD-compatible.

[0074] PPS technology provides periodic re-negotiation of communication between the battery and the power source, so that the power source can dynamically adjust the voltage and current according to the battery charge state determined by the actuator. Periodically, all parameters change to adapt to the needs of the battery, which optimizes the battery's charge and extends the battery's life.

[0075] Because the USB 3.0, PD, PPS standard can adjust the charging power according to the needs of the battery, it can reduce overheating, extend battery life and achieve optimal charging.

[0076] The actuator and external power supply support PD and PPS technology.

[0077] When the actuator is connected to a power source, a number of exchanges are performed in succession, for example 4 or 5 times.

[0078] Figure 3 A functional diagram showing an example of a power supply device 20 connected to an actuator A1 according to the present invention. The portion bounded by a dotted line represents a part of a control circuit.

[0079] The power source 20 has a male charging connector to connect to the female charging connector 16 of the actuator.

[0080] The power supply device 20 includes a control circuit 22 that is configured to support PD technology and, if appropriate, PPS technology.

[0081] The charging connector 16 has 16 or 24 pins.

[0082] Among the pins, GND, Vbus power supply, and CC1 and CC2 data terminals are used.

[0083] The Vbus pin is used for the actuator power supply. Advantageously, the same Vbus pin is used regardless of whether the power supply device is a device connected to the mains or a photovoltaic panel.

[0084] Pins CC1 and CC2 are used for communication between the power supply and the actuator regarding the supply parameters (voltage, current). Very advantageously, the same pins CC1 and CC2 are used for exchange with the power supply device and the photovoltaic panel connected to the mains. Other data are also transmitted from the second board to the first board, such as additional information on the human-machine interface, which may include, for example, LEDs, buttons, industrial reset protocols, reset, readjustment, etc.

[0085] Provision may be made to use the same pins during the charging phase regardless of the power supply device.

[0086] By using the same pins, the number of electrical connections made between each connector and the control circuit is limited.

[0087] In another embodiment, the Rx pin and the Tx pin are used to control and configure the actuator at the factory or installation site. Thus, the charging connector can be used for charging of one or more batteries as well as for the control and connector of the actuator.

[0088] To this end, through the connection of the charging connector 16 , information on linking or pairing and adjustment can be implemented from an adjustment tool such as a personal computer or a specific installation tool provided with an output port including a standard connector compatible with the charging connector of the actuator.

[0089] Advantageously, the adjustment tool also comprises means for supplying charging power to the actuator battery and human-machine interface means enabling the installer to input data to be transmitted to the control circuit of the actuator.

[0090] Thus, certain pins of the charging connector can be used to supply regulation data to the actuator and / or to retrieve data useful for diagnostics from the actuator. The use of the pins for data transmission is independent of the presence or absence of a supply current or supply voltage for charging the battery: thus, the regulation step can be carried out simultaneously with the charging step of the battery of the actuator.

[0091] In such an embodiment example and in a non-limiting manner, the control circuit 12 shown partially includes an integrated circuit 24 for protecting the charging connector, which prevents the consequences of a short circuit. The integrated protection circuit may include a TVS (transient voltage suppression) diode. The integrated protection circuit 24 is placed between the connector and the control circuit. The control circuit also includes a switch 26 between the charging connector and the battery, the switch 26 being controlled by the integrated protection circuit 24.

[0092] The control circuit also includes a power management device 28 placed between the battery and the switch 26 and controlled by the control circuit.

[0093] Very advantageously, a power supply method according to the invention is provided which can also be used in the case of a completely discharged battery. This mode is called "depleted battery" mode. In this case of a discharged battery, the power supply process comprises a step of sending a low voltage by the power supply device to initiate communication with the actuator. For example, the minimum voltage for initiating communication is about 5V. More specifically, the sending step is after a predefined period of time after the connection between the actuator and the power supply device, during which the power supply device does not receive any information since the actuator is no longer sufficiently charged to require a power supply profile.

[0094] In this case, the step of sending the minimum voltage enables the actuator to initiate the request transmission step according to the power supply method.

[0095] The implementation of the invention also has the advantage of being able to adjust the charging process according to the external temperature, which serves to optimize the battery life. More specifically, the internal temperature of the actuator is a complementary parameter that can influence the selection of the requested profile. Thus, the power supply profile requested during the transmission step takes into account the temperature estimated or measured before the transmission.

[0096] Now refer to Figure 4 Describes an example of how to perform the power supply method.

[0097] First, the actuator is connected to the power supply via the charging connector 16. Then, an information exchange between the actuator and the power supply device is established.

[0098] During a step 100 of requesting capacity, the actuator requests its charging capacity from the power supply device. The capacity is different if it is a power supply connected to the mains or a photovoltaic panel. In practice, the power that can be delivered by a mains power supply device, for example, is different from the power that can be delivered by a photovoltaic panel. The capacity also differs depending on the technology with which the power supply is compatible, in particular the PD and / or PPS technology. In the case of a power supply device that is not compatible with the PD or PPS technology, the voltage and current values ​​that can be transmitted by the power supply device are unique and fixed.

[0099] During step 200, the power supply device responds to the actuator by providing information about its capacity during the responding step. Alternatively, the power supply device provides available voltage and current during the responding step.

[0100] During an optional evaluation step 300, the actuator evaluates the charging requirements of the battery, ie the power supply parameters adapted to the battery situation. Such a step is performed when the actuator supports PPS technology.

[0101] During the selection step 400 and in case the power supply device has provided information about its capacity, the actuator selects a charging profile according to the response of the power supply device. Advantageously, the charging profile is selected from a plurality of profiles corresponding to the capacity of the power supply device and, if appropriate, selected according to information related to the evaluated power supply parameters. In one embodiment, the actuator selects the profile that best meets the requirements from the profiles proposed by the power supply device. In another example of an embodiment, the actuator further comprises a plurality of current / voltage pairs that can be selected to best correspond to the capacity of the power supply device.

[0102] During a transmission step 500, the actuator informs the power supply device of the selected profile by means of a power supply profile request. The power supply device then sets up a charging process according to the selected profile during a charging step during a step 600.

[0103] In an alternative case, after the connection between the actuator and the power supply device during step 200, the actuator receives the voltage and current directly from the power supply device and before the selection step, steps 300 to 600 are omitted, the battery being charged by the voltage and current available at the input of the charging connector. Provision may then advantageously be made to establish a feedback to the user in order to signal a non-optimal charging, for example by means of a specific flashing of a light-emitting diode of the actuator.

[0104] Advantageously, the actuator motor can rotate during the charging phase.

[0105] By means of the invention, an interaction is established between the power supply device and the actuator for making charging more efficient.

[0106] Furthermore, by means of the invention, the type of power supply device can be detected by the actuator thanks to the exchange of information. The information also allows the behavior of the actuator to be adjusted.

[0107] Furthermore, communication between the power supply device and the actuator makes it possible to select the best power supply profile for charging the battery, so charging can be better managed.

[0108] For example, the actuator may provide feedback to the user regarding the status of the actuator (e.g., charging or charged) by means of an indicator (e.g., such as an LED), by moving a curtain, and / or by transmitting information to a device equipped with a display screen.

[0109] In the case of charging via photovoltaic panels, charging is interrupted whenever clouds cover the sun. In prior art actuators, feedback is transmitted each time charging stops and each time charging resumes, in particular by a brief movement of the curtain, which can be perceived by the user as an actuator malfunction.

[0110] The invention can make it possible to deactivate the emission of feedback in the case of charging by photovoltaic panels, thus preventing the display of a message every time the sun appears and / or disappears. Alternatively, it can provide only the activation of one of the LEDs, without providing the movement of the curtain or the display of a screen message.

[0111] In another example of embodiment, the actuator comprises display means MS which provide feedback on the progress of charging, in particular when charging is taking place in an optimized manner.

[0112] In such an example, the actuator comprises display means MS comprising detection and information means configured to inform a user that the battery of the actuator is charged according to the first profile and / or the second power supply profile.

[0113] Figure 5 An actuator head is shown with display means MS comprising at least one LED.

[0114] The user may be an occupant of a building equipped with a curtain or barrier element for charging the actuator, or an installer or person responsible for the installation and / or maintenance of the actuator.

[0115] For example, the first power supply profile provides a reference voltage, and the second power supply profile provides a negotiated voltage that is a voltage greater than the reference voltage.

[0116] In the case of a power supply device that is not compatible with the PD or PPS technology, the first profile corresponds to voltage and current values ​​that can be transmitted by the power supply device, which are unique and fixed.

[0117] The display device MS includes a detection device for detecting whether the battery is charged at a voltage higher than the reference voltage of the power supply device, and an information device for notifying a user when charging is performed at a voltage higher than the reference voltage of the power supply device.

[0118] Preferably, the detection means comprises a Zener diode DZ arranged in series with an LED (light emitting diode, hereinafter referred to as LED) designed to inform the user that charging is taking place according to at least one of the first power supply profile and the second power supply profile. An ohmic protection resistor R is also arranged in series. In a variant, the detection means emits an acoustic signal, or even an acoustic signal and an optical signal.

[0119] The detection device is connected in parallel to the power connector so as to be powered by the voltage supplied by the power supply device.

[0120] A voltage called Vbus applied by the power supply device is applied to the terminals of the display device MS.

[0121] Figure 6 A schematic representation of the circuitry of a display device MS is shown.

[0122] A Zener diode is arranged upstream of the LED with respect to the Vbus pin for connection to a power source. A threshold voltage of the Zener diode is greater than a reference voltage (typically 5 volts) supplied by the power supply device and associated with a first power supply profile, and is less than an optimal charging voltage (e.g., 15 V) associated with a second power supply profile. The optimal charging voltage has a value of the same order of magnitude as the supply voltage of the motor, i.e., a value of the same order of magnitude as the voltage of a battery or a plurality of batteries together.

[0123] For an optimum voltage value substantially equal to 15 V, the threshold voltage is for example equal to 12 V. For an optimum voltage substantially equal to 20 V, the threshold voltage is for example equal to 18 V. Typically, therefore, the threshold voltage of the Zener diode is chosen to be a few volts lower than the optimum threshold voltage.

[0124] In case the display means MS is carried by the actuator, the Zener diode is advantageously mounted on the second electronic circuit.Due to the use of a single LED, the overall dimensions are not increased, which is particularly advantageous since the available space on the actuator head is generally reduced.

[0125] The on / off embodiment: LED off / LED on has the advantage that no software control has to be implemented to manage the lighting of the LED, since only the Zener diode is involved.

[0126] In another embodiment, the display device MS comprises an electronic circuit including a voltage comparator instead of a Zener diode.

[0127] To the display device MS Figure 5 The method of powering the actuator is carried out in a manner similar to Figure 4 The method shown in and discussed in detail above is performed in the same manner. Steps 100 to 500 are similar.

[0128] During step 600, when the selected profile is compatible with a voltage higher than the reference voltage of the first power supply profile, the power supply device triggers the supply of a supply voltage corresponding to the optimal voltage of the second power supply profile. The voltage is higher than the threshold voltage (Zener voltage) of the Zener diode, with the result that the diode becomes conductive and the LED is powered on, the LED being lit. Thus, the user can be informed that the actuator is being charged according to the second power supply profile. The user can infer from this that the charging will be relatively fast.

[0129] If the power supply device (e.g., photovoltaic panel) cannot supply a voltage above the threshold voltage, the charging of the actuator continues, but the LED does not light up, and the user is informed that the charging is not proceeding optimally. The user can infer from this that the charging will last a certain time and make arrangements.

[0130] In another example of embodiment, the detection means causes the LED to flash for voltages below the threshold voltage (i.e., the reference voltage), and to light up continuously for voltages above the threshold voltage (i.e., the optimal voltage). Such an embodiment example has the advantage that even if the charging phase is not optimal, it is notified that charging is actually in progress (flashing LED). However, in order to control the state change of the LED according to the supply voltage, software control is integrated into a microprocessor on the second printed circuit, the additional printed circuit or the second board.

[0131] In another example of the embodiment, the display device MS' includes two light emitting diodes of different colors, each light emitting diode being integrated into Figure 7 The power supply circuit is schematically shown in FIG.

[0132] One of the light emitting diodes, for example a red light emitting diode called LED R, is integrated into a circuit comprising a Zener diode as described above and is designed to light up at a voltage greater than a threshold voltage. A green LED, called LED G, is integrated into a circuit comprising only the green LED G and an ohmic resistor R'. The green light emitting diode LED G lights up as soon as the supply voltage is applied. In such an embodiment example, the user is informed by the lighting up of the green light emitting diode LED G as soon as charging is applied to the actuator according to a first supply profile, and then by the lighting up of the red light emitting diode LED R as soon as a second supply profile is installed that the charging is optimal. During optimal charging, both LEDs are illuminated.

[0133] In a variant, the two LEDs have the same color, and the fact that both LEDs are lit informs the user of optimal charging.

[0134] Advantageously, the actuator motor can rotate during the charging phase.

[0135] In another example, the power supply device includes the display apparatus MS. Then, the display apparatus MS may detect the implementation of the provision of the second power supply profile, or notify the user when the power supply device changes from the first power supply profile to the second power supply profile.

[0136] For example, the MS device is connected in parallel with a connector of the power supply device. Thereby, the MS device can detect the voltage supplied by the power supply to the actuator. All the examples described of the display device MS integrated into the actuator are applicable to the power supply device. More specifically, the Zener diode is mounted on a third electronic circuit arranged in the connector of the power supply device, and since only one LED is used, the space requirement does not increase.

[0137] In the example described above, voltage is the parameter that varies between two power supply profiles; in the case where another parameter is involved (such as current and / or time or multiple parameters), the display device MS includes an electronic circuit suitable for detecting the transition from one profile to another based on one or more parameters and transmitting a signal.

[0138] In another embodiment example, both the actuator and the power supply device comprise display means MS, whereby the user is always informed of the progress of the charging, depending on the visibility of the actuator and the power supply device.

[0139] In the specific example described, the user is notified when charging is performed according to the second profile or according to the first profile and then according to the second profile. Provision may be made that a signal is transmitted when charging is performed according to the first profile and the signal is stopped when charging is performed according to the second profile.

[0140] Figures 8 to 12 A very advantageous example of mounting the charging connector on the second plate is shown.

[0141] The second circuit board 15 is designed to be arranged perpendicular to the longitudinal axis X at a longitudinal end of the actuator so that the axis Y of the connector is orthogonal to the axis X. More specifically, the second circuit board is mounted in the torque support 1 of the actuator, at least partially outside the diameter of the actuator's housing.

[0142] The second circuit board 15 is in the form of a printed circuit board having a generally half-moon shape, configured to fit into a cross section of the torque support 1 .

[0143] The charging connector 16 is mounted through the second circuit board 15, which includes a cutout 38 opening up to the rounded edge of the board 15. In such an example, the connector is radially oriented so that its open end faces the outside of the board. The second circuit board 15 has a through passage (not visible) for inserting the fastening lug 34, which is then folded and / or soldered to the opposite face of the second circuit board.

[0144] In the example shown, the second circuit board 15 comprises two connectors 40 on its opposite faces, which are connected to the connector and are oriented perpendicular to the plane of the second board so that the open ends of the two connectors are oriented along the longitudinal axis of the actuator. This configuration is particularly advantageous because it allows the connector to be connected to the first circuit board 13 ( Figure 1A ) is assembled into the connector along the axis of the actuator without bending.

[0145] Implementing two smaller connectors is easier to integrate than implementing only one large connector. Preferably, the two connectors 40 have different numbers of pins, which ensures foolproof functionality during assembly.

[0146] It should be understood that a second circuit board 15 including only one connector 40 does not depart from the scope of the present invention.

[0147] The cover 39 covers the longitudinal ends of the torque support. The cover has a circular shape provided with a bottom 39.1 and a rim 39.2. A window 41 is formed in the rim 39.2 of the cover 39, providing access to the open end of the charging connector ( Fig.10 ).

[0148] An advantage of this embodiment is having a torque support with limited overall radial dimensions.

[0149] exist Fig.11 and Fig.12 , another example of a second circuit board and another example of a torque support 1 ′ are shown.

[0150] In such an example, the second circuit board 15' comprises a portion 15.1' in the form of a portion of a disk corresponding to the approximate section of the torque support of the actuator and a portion 15.2' of a substantially rectangular shape protruding from the periphery of the disk. The dimension D of the portion 15.2' in the radial direction is sufficient for the majority of the body 30 of the charging connector in the radial direction to be located mainly outside the diameter of the circular section of the housing of the actuator. Such an arrangement makes it possible to free up the central area of ​​the second circuit board 15' and the central area of ​​the torque support in the continuation of the actuator housing in order to accommodate larger electronic components where appropriate.

[0151] Since the central area of ​​the plate 15 ′ is almost completely available, a cutout can be provided which can accommodate force-transmitting supports of different shapes, thereby making the actuator compatible with a large number of support devices for devices with sun protection or shading curtains.

[0152] The actuator housing has a circular cross section. The largest diameter portion of the torque support may have a dish-shaped transverse section provided with a generally rectangular protrusion. The cover has a suitable shape. The side wall of the cover has a window for accessing the connector.

[0153] The torque support 1 ' is shaped so as to surround the second plate 15' with its projection.

[0154] In the example shown, the actuator charging connector is a female connector. In a variant, the actuator comprises a male charging connector compatible with a power supply device equipped with a female connector.

[0155] An actuator in which the charging connector is external to the actuator and connected to the control circuit by a cable does not depart from the scope of the present application.

[0156] The charging connector is arranged parallel to the X-axis or the actuator is inclined relative to the X-axis without departing from the scope of the present application.

Claims

1. An actuator for driving a sunscreen or shading curtain between multiple positions of the actuator, the actuator comprising: An electric motor (4), a reduction gear (6), at least one battery (8) for supplying power to the electric motor, a control circuit (12), and a charging connector (16) configured to connect the actuator to a device for supplying power to the at least one battery (8), the actuator also comprising a torque support and a housing (2) having a longitudinal axis (X), the housing (2) accommodating the electric motor, the reduction gear, the battery and at least a part of the control circuit, the charging connector (16) being a standard connector, the actuator being designed to cooperate with a power supply device (20), the power supply device (20) comprising a standard connector corresponding to the standard connector of the actuator, characterized in that the control circuit comprises means for transmitting a request for a power supply profile to the power supply device, the power supply profile comprising at least a fixed voltage and a maximum current.

2. The actuator according to claim 1, wherein: The control circuit comprises means for evaluating a power supply parameter of said battery or batteries and means for transmitting information relating to said evaluated power supply parameter via said standard charging connector.

3. The actuator according to claim 1 or 2, wherein: The charging connector (16) has a plurality of pins, a portion of which is used to transmit the power supply profile required by the actuator.

4. The actuator according to any one of claims 1 to 3, wherein: The control circuit includes a controller disposed between the charging connector and the battery or batteries, the controller being configured to charge the at least one battery based on a voltage and a current at an input of the charging connector.

5. The actuator according to any one of claims 1 to 4, wherein: The control circuit is configured to manage power supply to the at least one battery in a first mode when the voltage and current at the input of the charging connector correspond to the power supply profile required by the actuator, and to manage power supply to the at least one battery in a second mode when the voltage and current at the input of the charging connector differ from the power supply profile required by the actuator.

6. The actuator according to claim 5, wherein: The control circuit (12) includes a user interface and is configured to transmit at least one item of information to a user through the interface, the at least one item of information being different depending on the power supply device (20) connected to the actuator.

7. The actuator according to any one of claims 1 to 6, wherein: The control circuit (12) includes a first circuit board supporting the control circuit of the motor and a second circuit board supporting the charging connector (16), wherein the second board is arranged at a longitudinal end of the housing perpendicular to the longitudinal axis (X), and the charging connector is radially oriented relative to the longitudinal axis (X).

8. The actuator according to claim 7, wherein: The second plate (15) comprises a first circular portion and a second portion, the second portion being radially arranged to protrude from an outer contour of the first portion, and wherein the charging connector (16) is fixed to the second plate (15) so as to extend mainly at the protrusion.

9. The actuator according to claim 7 or 8, wherein: The charging connector (16) comprises a plane of symmetry which is substantially parallel, more particularly substantially coincident with, the plane in which the second board (15) extends, and the second circuit board comprises a cutout in which the charging connector is mounted.

10. The actuator according to any one of claims 1 to 9, wherein: The charging connector complies with standard, and is configured to transmit information according to PD (Power Delivery) technology and, where appropriate, according to PPS (Programmable Power Supply) technology.

11. An assembly comprising at least one actuator, the actuator being an actuator according to claims 1 to 10, and a power supply device (20) for the at least one battery (8) of the actuator, wherein: The power supply device (20) comprises at least one standard connector compatible with a standard charging connector (16) of the actuator, and wherein, when the power supply device is connected to the actuator and upon receiving a request for a power supply profile comprising at least a fixed voltage and a maximum current, the power supply profile is selected by the actuator according to the capacity provided by the charging device, and the power supply device is configured to supply a voltage and a current corresponding to the profile.

12. The assembly according to claim 11, wherein The actuator and its charging connector are configured to support power delivery technology during a charging phase according to at least a first power supply profile and a second power supply profile, wherein the first power supply profile and the second power supply profile are distinguished by at least one power supply profile parameter value, so that the power supply device delivers voltage and current according to the first power supply profile and the second power supply profile, and wherein the actuator and / or the power supply device includes a display device, and the display device is configured to inform a user that the power supply device is performing a charging phase of the battery according to at least one of the first power supply profile and the second power supply profile.

13. The system according to claim 11, wherein: During a charging phase, the assembly is configured such that the actuator is powered by the power supply device sequentially according to the first power supply profile and according to the second power supply profile.

14. The system according to claim 12 or 13, wherein: The display device is connected in parallel with the power supply connector of the actuator or in parallel with the connector of the power supply device.

15. A system according to any one of claims 12 to 14, wherein: The display device comprises at least one first circuit comprising at least one first indicator light (LED), advantageously a light emitting diode, designed to illuminate when the charging phase is carried out according to at least one of the first power supply profile and the second power supply profile.

16. The system of claim 15, wherein: The first circuit includes at least one Zener diode connected in series with the LED, and wherein a threshold voltage of the Zener diode is greater than a voltage value associated with the first power supply profile.

17. The system according to claim 15 or 16, wherein: When the charging stage is performed according to the second power supply profile, the first indicator light is illuminated, and when the charging stage is performed according to the first power supply profile, the first indicator light remains off.

18. A system according to claim 15, 16 or 17, wherein: The display device includes a second circuit, the second circuit including a second indicator light and an ohmic resistor connected in series, the first circuit and the second circuit being connected so that the second indicator light is illuminated once the actuator is powered by the power supply device according to the first power supply profile, and the first indicator light is illuminated when the charging phase is carried out according to the second power supply profile.

19. The system according to claim 15 or 16, wherein: The display device is configured such that the first indicator flashes when voltage is delivered by the power supply device according to the first power supply profile, and the first indicator remains permanently illuminated when power is supplied to the actuator according to the second power supply profile.

20. An assembly according to any one of claims 1 to 19, wherein The charging connector (16) and the power supply device include a magnetic interlocking arrangement.

21. A method of supplying power to an actuator for driving a sunscreen or shade curtain between a plurality of positions, the actuator comprising: An electric motor (4), a reduction gear (6), at least one battery (8) for supplying power to the electric motor, a control circuit (12), a charging connector (16) configured to enable the actuator to be connected to a device for supplying power to the at least one battery (8), the actuator also comprising a housing (2) having a longitudinal axis (X), the housing (2) accommodating the electric motor, the reduction gear, the battery and at least a part of the control circuit, the charging connector (16) being a standard connector, the actuator being designed to cooperate with a power supply device (20), the power supply device (20) comprising a standard connector corresponding to the standard connector of the actuator, the control circuit comprising at least a fixed voltage and a maximum current for supplying power to the power supply device, the method being implemented by the actuator and comprising at least one of the following steps: transmitting, by the control circuit, to the power supply device a request for a power supply profile comprising at least a fixed voltage and a maximum current, and advantageously, supplying power to the at least one battery by the power supply device according to the requested power supply profile.

22. The power supply method according to claim 21, wherein: When an electrical connection is established between the power source and the actuator, the actuator issues a request for a capacity profile of the power source before a transmitting step, and during a selecting step, the actuator selects one of a plurality of profiles that corresponds to the capacity profile of the power source device.

23. The power supply method according to claim 21 or 22, wherein: The at least one battery powers the operation of the electric motor independently of the steps of the power supply method.

24. The power supply method according to any one of claims 21 to 23, wherein: In the case that the power supply device does not receive the request, the power supply device implements the step of delivering a fixed voltage and a minimum current to the actuator.

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