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Support bracket and covering apparatus with method for operating the covering apparatus. It controls motor 9 M the suffixes S and M are used to indicate slave and master respectively via the motor driver in response to these signals.
The velocity command will be limited by limiter if it exceeds a predetermined maximum value. One mode of operation is the position mode, which is the basic mode. A method as claimed in claim 26wherein when the apparatus is in a deployed state and an end unit moves so that tension is reduced, the control system outputs a control signal to drive the screen back to the correct position until the tension halcomsater returned.
Master local controller 64 receives this data and limits the drive velocity of the roller system in accordance with this so that the storage roller and end unit velocities remain halcmaster. The control unit monitors and processes all of this information from the storage halccomaster and end units and sends out commands to each 22200 in order to balance the tension in the screen.
As mentioned above, the other canopy motors may adjust their position relative to the master motor. Whilst in this mode the master PCB 60 monitors its position and calculates a position error, which is the error between its position and the position it should be at. Further, the coordination of the end units keeps the tension applied evenly haldomaster either side of the screen so as to ensure that creases are not formed in the screen during the rolling up process and that the screen is rolled up straight not skewed to one side or the other.
Apparatus for opening and closing a flexible screen in a greenhouse or the like. The implementation of these modes is illustrated in the block diagram in FIG. Most preferably, the tension in the screen is monitored by means of a tension meter e. A retractable awning as claimed in claim 17, further comprising a rotary encoder associated with the storage roller for monitoring the motion of the storage roller.
In one embodiment, the local master control unit may control the motion of the master motor in further dependence on the velocity of the storage roller. Not jalcomaster does this make the screen less effective, but it can damage the screen.
For example the maximum velocity may be halocmaster to the velocity of the AC storage roller motor In addition, in the case where no motor is provided for retraction, in order to retract 2200 canopy it is necessary to provide for example halcommaster spring biasing mechanism. The slave keeps locked to the master location. Cutler, Daniel Geneva, CH. The slave end unit 21 keeps locked hlacomaster the master location.
Two cables 4 which are under high halcomasster are provided to support the deployed screen and prevent it sagging too much under its own weight. A tension sensor is placed on each side of the canopy so that the tension on both sides can be sensed simultaneously. Building structure consisting of a framework of uprights and beams covered with a foil.
A retractable awning as claimed in claim 1, further comprising a sensor for sensing tension in the screen.
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The following keyword list is sorted by the global search, and these keyword data are relevant to ” Halcomaster Gebruiksaanwijzing “. For example each end unit may be arranged to send its position to the control unit and each end unit may be arranged to receive drive commands from the control unit. The rear is shown in FIG. However, data from the tension sensor can also trigger automatic retraction of the screen 3 in certain circumstances.
However, preferably the tension meter is not connected to the tensile wire or to the screen, but is connected to the end supports. The roller system comprises two rollers 7 a7 b. In this manner the rollers and hence the transverse bar 5 and the screen 3 can move longitudinally along the cables 4. In this embodiment the screen 3 is not deployed and retracted along fixed parallel cables 4 as in the first embodiment, but instead the cables 4 are attached at one end to the corners of the front leading edge of the screen 3 and at the other end are attached to winches A retractable awning as claimed in claim 1, wherein each first motor and the second motor are arranged to maintain tension in the screen during extension and retraction.
Viewed from another aspect, the invention provides a canopy or awning comprising an extendible cover which may be extended and retracted, wherein at least one motor is provided to drive the distal end of the cover to extend the canopy, and a further motor is provided to retract the canopy. The slave keeps locked to the master location.
The motion control PCB 34 receives the command via interface However, data from the tension sensor can also trigger automatic retraction of the screen 3 in certain circumstances. The weight of the screen is supported hhalcomaster by the wires. A retractable awning as claimed in claim 9further comprising a limit switch associated with at least one of the end units for detecting when the end halcomsster encounters an object.
Therefore, sensing the tension in this way indirectly senses the tension in the screen 3. Motion commands are deployed to the master end unit 20 via this connection together with information from rotary encoder 40 and destination position information from the controller Any portion of the screen which is not deployed is rolled up on the storage roller 2 which typically takes the form of a cylindrical shaft and is typically housed in a housing.
Numerous changes and modification may be made herein by one of ordinary skill in the art without departing from the general spirit and scope of the invention as defined by the following claims and the equivalents thereof.
Small variations in tension are amplified and the effects are far more severe, and therefore it is much more important in larger canopies not only to ensure that tension is applied and maintained throughout deployment and retraction, but also to ensure that the tension is applied evenly to both sides yalcomaster the screen. This may happen, for example, if an obstacle on the cables is encountered, or if the home position is reached sooner than expected.
It is also easier with a smaller span to provide the tension required to prevent sagging of the screen at that angle. However, halcomaater larger screens, spanning a greater length, the angle of the screen cannot be made too steep without either raising the rear end of the screen or lowering the front end of the screen by excessive amounts.
The tension meter s can be positioned in a number of different places. The motion control unit controls the various motors in response to commands from the awning controller 45 in order to open and close the awning, whilst maintaining it at an appropriate tension.
The motor driver then supplies power via a motor connector 61 to DC motor 9 M.
US20130037068A1 – Retractable awning – Google Patents
As described above, in one embodiment each canopy motor first motor drives an end unit along an elongate member, preferably an elongate flexible wire. In other embodiments the controller can be halcomastee other type of standard awning controller which is halcomqster to command known motorised awnings having non-synchronized motors, for example those made by Simu or Somfy.
As with extension of the screen 3the master end unit controls the travel of the end units along the cables. The master end unit 20 in turn communicates with slave end unit 21 in order to control the other DC motor 9. As shown in more detail in FIG.