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EP3091168A1 - Dispositif de criblage pour une fenêtre, procédé pour faire fonctionner un dispositif de criblage et utilisation d'un dispositif de criblage - Google Patents

Dispositif de criblage pour une fenêtre, procédé pour faire fonctionner un dispositif de criblage et utilisation d'un dispositif de criblage Download PDF

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Publication number
EP3091168A1
EP3091168A1 EP16168140.8A EP16168140A EP3091168A1 EP 3091168 A1 EP3091168 A1 EP 3091168A1 EP 16168140 A EP16168140 A EP 16168140A EP 3091168 A1 EP3091168 A1 EP 3091168A1
Authority
EP
European Patent Office
Prior art keywords
transversal profile
screening device
end position
guide means
screening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16168140.8A
Other languages
German (de)
English (en)
Other versions
EP3091168B1 (fr
Inventor
Jan Thomsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VKR Holding AS
Original Assignee
VKR Holding AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VKR Holding AS filed Critical VKR Holding AS
Publication of EP3091168A1 publication Critical patent/EP3091168A1/fr
Application granted granted Critical
Publication of EP3091168B1 publication Critical patent/EP3091168B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/74—Operating devices or mechanisms, e.g. with electric drive adapted for selective electrical or manual operation
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6845—Control using sensors sensing position
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6872—Control using counters to determine shutter position
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/689—Control using end switches

Definitions

  • the invention relates to a screening device for a window.
  • the screening device comprises a drive unit including a transversal profile, wherein the transversal profile comprises an electrical motor arranged to move the transversal profile.
  • a method for operating an electric screening device for a window and use of a screening device is also disclosed.
  • Motorised screening devices for windows are known in the art e.g. to quickly black out a room or just to simplify the operation of curtains, blinds or the like.
  • some sort of wired or wireless remote control in relation with some sort of wired or wireless remote control.
  • the demand for motorized screening devices is pronounced because these types of window usually are mounted in a relatively remote part of a building and therefore often is difficult to reach or access.
  • An object of the invention is therefore to provide for an advantageous shading device technique having more functionality.
  • the invention provides for a screening device for a window.
  • the screening device comprises a drive unit including a transversal profile arranged to run along guide means extending transversally at the longitudinal ends of the transversal profile, wherein the transversal profile comprises an electrical motor arranged to move the transversal profile along the guide means by means of engaging means arranged to engage the guide means.
  • the transversal profile further comprises position means arranged for detecting at least a motorized change of the position of the transversal profile in relation to the guide means and at least one end position sensor for detecting an end position of the guide means.
  • the screening device also comprises screening means including a first end being connected to the transversal profile and a second end comprising connection means for being fixed at an end of the guide means and release means arranged to selectively engage or disengage the electric motor from the guide means to enable both manual and motorized displacement of the transversal profile in relation to the guide means. Furthermore, the screening device comprises control means arranged for controlling the operation of the electrical motor in accordance with input from the position means and the end position sensor.
  • Controlling the operation of electrical motor on the basis of input from both the position means and the end position sensor is advantageous in that the position means enables that the transversal profile may be directed to any position in automated operation - not just fully open or fully closed. Since the position means continually detect the position of the transversal profile it is possible for an operator to order the screening device - e.g. by means of a remote control - to go to and stop when 30% of the window is covered.
  • the position means enables that the traveling speed of the transversal profile may be controlled according to its position - e.g. faster at the middle and slowing down when approaching an end position.
  • the position means will lose track of the exact position of the transversal profile. It is therefore advantageous to also control the operation of the electrical motor in accordance with input from the end position sensor in that this enables that the travel of the transversal profile may be stopped when an end position has been reached - even if the position means detect a different position - and because the end position sensor enable fast and simple re-calibration of the position means after manual operation.
  • guide means in this context should be interpreted as any kind of guide suited for being engaged by an electrical motor of a drive unit i.e. any kind of rail, rack, track, string, chain, timing belt or other or any combination thereof. Also, it should be underlined that the guide means are a part of the drive unit and therefore part of the screening device.
  • engaging means in this context should be interpreted as any kind of engaging device suited for engaging the abovementioned guide means i.e. any kind of roll, wheel, toothed wheel, gear, disk, pulley or other or any combination thereof.
  • position means in this context should be interpreted as any kind of position tracker suited for substantially continuous detection of a change of the position of the transversal profile in relation to the guide means at least when this change in position is performed by the electrical motor i.e. any kind of encoder, ultrasound sensor, radar, tachometer, revolution-counter or other or any combination thereof.
  • screening means in this context should be interpreted as any kind of screen suited for screening a window i.e. any kind of curtain, drape, blind, shade, shutter or other or any combination thereof.
  • release means in this context should be interpreted as any kind of releaser suited for selectively engage or disengage the electric motor from the guide means i.e. any kind of coupling, link, connector, handle, magnet transfer, mutually displaceable meshing drive parts or other or any combination thereof.
  • control means in this context should be interpreted as any kind of controller suited for controlling the operation of the electrical motor i.e. any kind of Programmable Logic Controller (PLC), Personal Computer (PC), circuit, regulation or other or any combination thereof.
  • PLC Programmable Logic Controller
  • PC Personal Computer
  • the position means comprises a position sensing encoder.
  • position sensing encoder as position means is advantageous in that position sensing encoders are compact and relatively inexpensive means for detecting a position and therefore particularly suited in this case.
  • position sensing encoder in this context should be interpreted as any kind encoder such as a rotary encoder, a linear encoder, a shaft encoder any other kind of encoder suitable for detecting a position of a moving object.
  • a rotatory encoder is an electro-mechanical device that converts the angular position or motion of a shaft or axle to an analog or digital code and a linear encoder is a sensor, transducer or readhead paired with a scale that encodes position. The sensor reads the scale in order to convert the encoded position into an analog or digital signal, which can then be decoded into position by a digital readout or motion controller.
  • the position sensing encoder comprises a rotary encoder connected directly or indirectly to a drive shaft of the electrical motor.
  • Forming the position sensing encoder as a rotary encoder substantially separate from the other components of the screening device is advantageous in that it simplifies assembly and maintenance.
  • the position sensing encoder comprises a linear encoder including scale means extending along at least a part of the guide means.
  • Forming the position sensing encoder as a linear encoder is advantageous in that a linear encoder can be mounted completely separate from the drive train thus ensuring simplified assembly and maintenance.
  • the position sensing encoder is an incremental position sensing encoder.
  • the output of an incremental encoder provides information about the motion of a part - to which the encoder is attached - in relation to another part - i.e. the position output is relative.
  • an incremental encoder in relation to a screening device according to the present invention in that the relative position detection provides more accurate information regarding the position and in that a screening device with the same incremental encoder can be used with guide means of different length.
  • the position sensing encoder comprises a magnet attached to a drive shaft of the electrical motor and a magnet sensor mounted in a fixed position in close proximity of the drive shaft.
  • the position means comprises means for detecting a substantially exact position of the transversal profile in relation to the guide means.
  • the end position sensor comprises a Hall Effect sensor.
  • a Hall Effect sensor provides simple and precise means for detecting an end position.
  • a Hall Effect sensor is some kind of transducer that generates and/or varies its output voltage in response to a magnetic field.
  • the drive unit comprises at least one magnet arranged at the end position of the guide means, wherein the at least one magnet is arranged to be detected by the end position sensor.
  • Using a magnet in relation to detecting the end position is advantageous in that it reduces the risk of detection errors and in that magnets enable touch-free detection - thus reducing wear and prolonging life.
  • the drive unit comprises at least one first magnet arranged at a first end position of the guide means and at least one second magnet arranged at a second end position of the guide means, wherein the first magnet and the second magnet are arranged to be detected by the end position sensor.
  • Arranging magnets at both end positions of the guide means is advantageous in that the motion of the transversal profile hereby can be stopped - e.g. emergency stopped - and the position means can be calibrated not matter which direction the transversal profile travels in.
  • the electrical motor since the electrical motor has to move the transversal profile - and everything in and on it - around during operation, it is obviously advantageous to keep the weight of the transversal profile as low as possible. It is therefore advantageous to arrange the magnets at either end of the guide means so that they both can be detected by the same end position sensor - hereby reducing weight and cost.
  • the end position sensor comprises a limit switch.
  • Using a limit switch is a relatively accurate and inexpensive way of detecting an end position.
  • a limit switch is a switch operated by the motion of a part or presence of an object.
  • a limit switch typically requires physical contact to switch.
  • the end position sensor comprises proximity sensor.
  • a proximity sensor for detecting the end positions is advantageous in that a proximity sensor enables touch-free detection - thus reducing wear and prolonging life.
  • a proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact, in that proximity sensor typically operates by the disturbance of an electromagnetic field, by capacitance, or by sensing a magnetic field.
  • control means are located in the transversal profile.
  • the electrical motor, the position means and the end position sensor are all located in the transversal profile it is advantageous to also locate the control means in the transversal profile to simplify assembly and reduce cost.
  • control means comprises counting means arranged for counting inputs from the position means.
  • control means comprises means for resetting the counting means in response to an input from the end position sensor.
  • Resetting the counting means in response to an input from the end position sensor is advantageous in that it hereby is possible to re-calibrate the position means and the counting means in a simple and efficient manner.
  • the screening device comprises speed control means for controlling the traveling speed of the transversal profile in response to input from the position means.
  • Controlling the travelling speed of the transversal profile in response to its actual position is advantageous in that it hereby is possible to reduce traveling time and reduce power consumption in relation to braking.
  • the electrical motor is supplied by an electrical energy storage of the transversal profile.
  • the motor Since the motor is located in the mobile transversal profile it would be difficult to power the motor by means of the power grid. It is therefore advantageous to power the motor by means of e.g. a battery, accumulator or capacitor located in the transversal profile to reduce wiring and cost.
  • the lack of mains power is possible by a control and end position sensors that have low power consumption. In an aspect the end position sensors have substantially no standby power consumption.
  • the electrical motor is a direct current motor.
  • the electrical motor is a brushless motor, a stepper motor or a piezoelectric motor with rotation signal used as position means.
  • control means comprises current level means for detecting a current level of the electrical motor, in particular a direct current motor and in an aspect of the invention, the control means comprises comparing means for detecting if the input from the current level means exceeds a predefined level.
  • Providing current level means is advantageous in that it hereby is possible to stop the travel of the transversal profile if a current peak is detected - e.g. in case of collision with an unexpected object. Also the detection of current peaks enables redundancy of the end position sensors in that the current of the motor will be increased if the end of the guide means has been reached without the travel being stopped.
  • control means is adapted for at least stopping the operation of the motor in accordance with input from the position means and the end position sensor.
  • the invention further provides for a method for operating an electric screening device for a window.
  • the method comprises the steps of:
  • Controlling the operation of the transversal profile in relation to both position means and an end position sensor is advantageous in that the position means enables travel to substantially any position along the guide means while the end position sensor ensures that the travel will be stopped if an end position is reached - even if the position means detects otherwise. Furthermore, the end position sensor is simple and efficient means for re-calibrating the position means and thereby optimizing the overall functionality of the position means.
  • the target position is selected from a number of predefined target positions.
  • Selecting the target position from a number of predefined target positions is advantageous in that it enables simple control and operation of the electric screening device.
  • the method further comprises the step of updating the position means if the end position sensor detects that the end position is reached before the target position is reached.
  • Updating the position means - either by resetting it and/or correcting the assumed position - when an end position has been reached is advantageous in that the position means hereby are more precise.
  • the transversal profile continues travel towards the target position after the updating.
  • the position means comprises counting means and wherein the updating includes resetting or updating the counting means.
  • the position means substantially always defines its position in relation to a fixed starting point.
  • This starting point could advantageously be the top position in which the screening means are fully retracted - in that this is the most used position and in that this position would also be detected by the end position sensor.
  • the counting means will be reset.
  • the transversal profile travels in the opposite direction - i.e. downwards - and reaches the lower end position - where the end position sensor is activated - the counting means could be updated with the lower position to ensure greater accuracy.
  • the counting means is part of control means controlling at least part of the operation of the electric screening device.
  • the travel is initiated in response to input from a user.
  • the travel direction of the transversal profile is reversed if the end position sensor detects that an end position of the guide means is reached.
  • the end position sensor is arranged to detect both a first end position and a second end position of the guide means.
  • the method comprises that the transversal profile travels the full length between the first end position and the second end position to establish the full travel length of the transversal profile before the travel towards the target position is initiated.
  • Starting operation of the screening device by initiating a calibration run is advantageous in that when the screening device knows the distance between the end positions, it is possible to go to e.g. a 30% shaded position automatically and it is possible to optimize speed control in that the traveling speed can be reduced when approaching the target position and/or the end positions.
  • the method comprises reducing the travel speed of the transversal profile when the position means detects that the target position will soon be reached.
  • the method is a method for operating a screening device according to any of the previously mentioned screening devices.
  • the invention provides for use of a screening device according to any of the previously mentioned screening devices for screening a window mounted in an inclined surface of a building.
  • the motor and other parts of the screening device could advantageously be mounted in a fixed upper position wherefrom the screening means could be raised and lowered.
  • the screening device comprises a driven transversal bottom profile and guide means so that the screening means can be maintained in close proximity of the window at all times and thereby ensure more efficient screening.
  • Fig. 1 illustrates a screening device 1 with the transversal profile 4 in bottom position, as seen in perspective
  • fig. 2 illustrates a screening device 1 with the transversal profile 4 in top position, as seen in perspective.
  • the screening device 1 comprises a drive unit 3 including a transversal profile 4 arranged to run along two guide means 5 in the form of racks extending transversally at the longitudinal ends of the transversal profile 4.
  • the guide means 5 are a part of the drive unit 3 and therefore part of the screening device 1.
  • the transversal profile 4 comprises an electrical motor 6 arranged to move said transversal profile 4 along the racks 5 by means of engaging means 7 which in this case includes gears arranged to mesh with the racks 5 so that the electrical motor 6 may drive the transversal profile 4 up and down along the guide means 5.
  • transversal profile 4 is connected to a first end 11 of the screening means 10 and the other end 12 includes connection means 13 for fixing the second end 12 at the top of the window (not shown) or at the upper end of the guide means 5.
  • connection means 13 could simply comprise holes in the screening means 10 to allow the screening means to be nailed to an upper edge of the window frame (not shown) but in a preferred embodiment the connection means 13 would comprise some sort of rail, support, roller or other suited for holding and/or fixating the upper end of the screening means 10 in relation to the upper window frame and/or at the upper end of the guide means 5.
  • the transversal profile 4 also comprises control means 15 - in the form of a centrally arranged circuit board - arranged for controlling the operation of screening device - in particular the electrical motor 6.
  • control means 15 could be located at several different locations in the transversal profile 4 - e.g. at least partly integrated in other components of the transversal profile 4.
  • the screening means 10 are a simple blind wherein the connection means 13 comprises a spring loaded roller for rolling up the upper end of the screening means 10 as the transversal profile 4 travels upwards.
  • the screening means 10 are folding blinds but in another embodiment the screening means 10 could be venetian blinds or another type of blinds, shutters or curtains.
  • Fig. 3 illustrates a screening device 1 comprising two end position sensors 9 in the form of limit switches 9, as seen from the side.
  • the transversal profile 4 is provided with position means 8 arranged to detect motion of the drive shaft 17 of the motor 6.
  • the position means 8 is an encoder 16 comprising an encoder magnet 30 mounted on the drive shaft 17 and an encoder sensor 31 fixedly mounted in relation to the transversal profile 4 so that the encoder sensor 31 detects when the encoder magnet 30 passes the sensor 31.
  • the control means 15 would comprise counting means 22 arranged to count the input from the sensor 31 which then can be translated to a measure of distance when multiplied with a pre-defined measure of the distance traveled by the transversal profile 4 between two signals from the encoder sensor 31.
  • the magnet 30 is mounted on a drive shaft 17 before a transmission (not shown) the accuracy of the position means 8 would be greatly improved in that one revolution of the engaging means 7 would require several revolution of the motor drive shaft 17.
  • the position means 8 could be an independent encoder unit somehow connected to the drive shaft 17 - either directly or indirectly - or it could be incorporated or integrated in the motor 6 e.g. if the motor 6 was a brushless motor or stepper motor or a piezoelectric motor.
  • the transversal profile 4 also comprises two end position sensors 9 in the form of limit switches arranged so that when the transversal profile 4 reaches an end position 20, 21 of the guide means 5, one of the limit switches 9 will be physically activated and thereby send a signal to the control means 15 which in turn will stop the electrical motor 6 and thereby the travel of the transversal profile 4.
  • control means 15 comprises counting means 22 arranged to count the impulses from the position means so that the control means may calculate the traveled distance and the current position.
  • control means 15 could also initiate that the position means 8 is updated or reset - e.g. to ensure that the counting means 22 always started counting from zero from the top position.
  • This updating or resetting could be done every time an end position 20, 21 is detected, it could be done only when the first or only when the second end position 20, 21 is detected, it could be done only when an end position 20, 21 is unexpectedly reached, it could be done after a predefined operation time or at other times or any combination thereof.
  • control means 15 are arranged for controlling the operation of the electrical motor 6 in accordance with input from the position means 8 and the end position sensor 9 as described above.
  • control means detects that an end position 20, 21 has been reached it will also ensure, that once the transversal profile 4 continues operation, it will travel in the opposite direction - i.e. away from the just detected end position 20, 21.
  • control means 15 also comprise speed control means 23 enabling that the traveling speed of the transversal profile 4 can be controlled - particularly in response to input from the position means 8. I.e. if the control means - based on input from the position means 8 - detects that the traveling transversal profile 4 is within e.g. 3 cm from a target position or an end position 20, 21, the speed control means 23 could enable deceleration of the travel speed so that the transversal profile 4 is stopped more smoothly.
  • the traveling speed of the transversal profile 4 could be controlled in another way or the speed control means 23 would be absent.
  • control means 15 also comprise current level means 25 for detecting the current through the electrical motor 6 and comparing means 26 arranged to compare the detected current with a predefined threshold. I.e. if the traveling transversal profile 4 collides with a foreign object, if an end position sensor 9 malfunctions or other the comparing means 26 will detect that the output from the current level means 25 is above the predefined level and the control means 15 will stop the electrical motor 6.
  • comparing means 26 if collision or malfunction could be detected in another way or current level means 25 and comparing means 26 would not be present.
  • Fig. 4 illustrates a screening device 1 comprising a single end position sensor 9 in the form of a limit switch 9, as seen from the side.
  • the single limit switch 9 is arranged on the transversal profile 4 so that it is able to detect both the first end position 20 and the second end position 21 of the guide means 5.
  • Fig. 5 illustrates a screening device 1 comprising a single end position sensor 9 in the form of a proximity sensor 9, as seen from the side.
  • the screening device 1 comprises a first magnet 18 arranged at first end position 20 and a second magnet 19 arranged at the second end position 21 of the guide means 5.
  • the transversal profile 4 is then provided with a Hall Effect sensor arranged to detect the two magnets 18, 19.
  • the end position sensor 9 may have substantially no stand-by power consumption.
  • the end position sensor 9 may comprise for example a piezo element, reed switch, hall effect etc.
  • Fig. 6 illustrates a screening device 1 with the transversal profile 4 in top position, as seen from the side
  • fig. 7 illustrates a section view of a screening device 1 with the transversal profile 4 in top position, as seen from the side.
  • the screening device 1 is provided with release means 14 arranged to selectively engage or disengage the electric motor 6 from the guide means 5 so that the transversal profile 4 may be manually displaced up or down along the guide means 5 e.g. in case of malfunction of the automated operation of the screening device 1, to reduce energy consumption, to enable faster displacement or other.
  • the release means 14 comprises a pivotal joint 32 around which the transversal profile 4 may pivot to disengage the gear 7 from the rack 5 to enable manual displacement of the transversal profile 4.
  • this pivotal motion is biased by springs (not shown) to ensure a secure engagement between the guide means 5 and the engaging means 7 once the manual displacement has ended.
  • the release means 14 could comprise a coupling - e.g. arranged on a drive shaft 17 of the electrical motor 6 so that when the coupling is activated the motor will be disengaged but the guide means 5 will remain engaged with the engaging means 7 during manual operation.
  • the release means 14 could be formed in a number of other ways.
  • the release means could be a non-self-locking transmission which enables manual movement of the screening.
  • a non-self-locking transmission may be advantageous with a brushless motor which is able to deliver high torque.
  • the position means 8 will not be able to detect the correct position of the transversal profile 4. I.e. after re-engagement the position means 8 could automatically be reset as the first thing after re-engagement e.g. by always running the transversal profile 4 in a specific direction (e.g. at a specific reduced speed) until an end position 20, 21 was detected and the position means 8 could be reset. This would obviously require that engagement and/or re-engagement is detected.
  • the operation of the screening device 1 would continue substantially unchanged after re-engagement, so that if the control means 15 via the position means 8 has detected that the transversal profile 4 is in the middle between the first and the second end position 20, 21 and an order to travel to the first end position 20 was received, the transversal profile 4 would travel at full speed towards the first end position 20. However, during the manual operation, the transversal profile 4 was moved closer to the first end position 20 and the first end position 20 will therefore be reached sooner than expected.
  • the motor 6 Once the end position 20 has been detected by the end position sensor 9 the motor 6 will be stopped by the control means 15 and the position means 8 will be reset so that if the control means 15 received an input - e.g. from an remote control - to move the transversal profile 4 to a position in the middle between the first and the second end position 20, 21, the transversal profile 4 will stop moving substantially when the correct position has been reached.
  • Fig. 8 illustrates a screening device 1 and a window 2 mounted in an inclined roof surface 28 of a building 29, as seen from the front.
  • the transversal profile 4 When the screening means 10 is displaced by means of a moving transversal profile 4, the transversal profile 4 will in this embodiment also have to displace an electrical energy storage 24 located in the transversal profile 4. Thus, the electrical energy storage 24 will have to provide power to displace its own weight as well as the weight of the rest of the transversal profile 4. It is therefore important to reduce energy consumption during normal operation and it is therefore advantageous to detect the end positions 20, 21 of the guide means 5 by means of end position sensors 9.

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EP16168140.8A 2015-05-07 2016-05-03 Dispositif de criblage pour une fenêtre, procédé pour faire fonctionner un dispositif de criblage et utilisation d'un dispositif de criblage Active EP3091168B1 (fr)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108918414A (zh) * 2018-07-18 2018-11-30 迈克医疗电子有限公司 一种检测装置的校准方法、装置、终端设备和介质
WO2018237139A3 (fr) * 2017-06-22 2019-01-31 Ori Inc. Éléments de commande permettant le suivi et le déplacement de meubles et d'éléments architecturaux intérieurs
US10718157B2 (en) 2017-11-10 2020-07-21 Vkr Holding A/S Method for determining a fully extended position of a screening body of a screening device
WO2022204271A1 (fr) * 2021-03-24 2022-09-29 Zachary Sweitzer Dispositif d'automatisation de store de fenêtre
US11486194B2 (en) 2017-11-10 2022-11-01 Vkr Holding A/S Screening arrangement with improved mounting bracket and end piece, window with such a mounting bracket and method of installing and uninstalling a screening arrangement in the window
EP4390047A2 (fr) 2022-12-19 2024-06-26 VKR Holding A/S Agencement d'occultation comprenant un ensemble de suspension et procédé de montage de l'agencement d'occultation
EP4481154A1 (fr) 2023-06-20 2024-12-25 VKR Holding A/S Dispositif de criblage comprenant une pièce d'extrémité avec un segment de crémaillère

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807686A (en) 1987-02-25 1989-02-28 Comfortex Corporation Shade system
US4945969A (en) * 1988-10-06 1990-08-07 Comfortex Corporation Method and machinery for making a flawless shade product
US20010011579A1 (en) * 1994-07-28 2001-08-09 420820 Ontario Limited Screen cassette and compatible framing section therefor
WO2015052341A1 (fr) * 2013-10-11 2015-04-16 Somfy Sas Installation motorisee de manœuvre d'un ecran et dispositif d'ecran associe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807686A (en) 1987-02-25 1989-02-28 Comfortex Corporation Shade system
US4945969A (en) * 1988-10-06 1990-08-07 Comfortex Corporation Method and machinery for making a flawless shade product
US20010011579A1 (en) * 1994-07-28 2001-08-09 420820 Ontario Limited Screen cassette and compatible framing section therefor
WO2015052341A1 (fr) * 2013-10-11 2015-04-16 Somfy Sas Installation motorisee de manœuvre d'un ecran et dispositif d'ecran associe

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018237139A3 (fr) * 2017-06-22 2019-01-31 Ori Inc. Éléments de commande permettant le suivi et le déplacement de meubles et d'éléments architecturaux intérieurs
JP2020524586A (ja) * 2017-06-22 2020-08-20 オリ インコーポレイテッド 家具および室内建築要素の追跡および移動のための制御要素
JP2023052192A (ja) * 2017-06-22 2023-04-11 オリ インコーポレイテッド 家具および室内建築要素の追跡および移動のための制御要素
US11634938B2 (en) 2017-06-22 2023-04-25 Ori Inc. Control elements for tracking and movement of furniture and interior architectural elements
US10718157B2 (en) 2017-11-10 2020-07-21 Vkr Holding A/S Method for determining a fully extended position of a screening body of a screening device
US11486194B2 (en) 2017-11-10 2022-11-01 Vkr Holding A/S Screening arrangement with improved mounting bracket and end piece, window with such a mounting bracket and method of installing and uninstalling a screening arrangement in the window
CN108918414A (zh) * 2018-07-18 2018-11-30 迈克医疗电子有限公司 一种检测装置的校准方法、装置、终端设备和介质
CN108918414B (zh) * 2018-07-18 2020-12-22 迈克医疗电子有限公司 一种检测装置的校准方法、装置、终端设备和介质
WO2022204271A1 (fr) * 2021-03-24 2022-09-29 Zachary Sweitzer Dispositif d'automatisation de store de fenêtre
EP4390047A2 (fr) 2022-12-19 2024-06-26 VKR Holding A/S Agencement d'occultation comprenant un ensemble de suspension et procédé de montage de l'agencement d'occultation
EP4481154A1 (fr) 2023-06-20 2024-12-25 VKR Holding A/S Dispositif de criblage comprenant une pièce d'extrémité avec un segment de crémaillère

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