HALCOMASTER 2200 PDF

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In this description, references to elongate wires or tensile wires are intended to encompass cables or ropes of sufficient strength to support the screen and withstand the 22000 tensioning forces.

CN101675198A – retractable awning – Google Patents

However, with 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. Each end unit is therefore communicatively coupled with halcomaser control unit so that it can both send and receive signals.

A retractable awning as claimed in claim 1further comprising a sensor for sensing tension in the screen. A retractable awning as claimed in claim 17, wherein the storage roller is driven by the second motor.

As shown in FIG. It is disclosed in GB that the clamping systems and also the storage roller on which the screen is stored can be motorised in order to enable automatic deployment. If a conflict arises between the position indicated by the rotary encoders and that suggested by a limit switch trigger, then the limit switch takes priority.

For example the local control unit keeps the end unit moving until the 2200 position reaches the desired position.

With small canopies such as are known in the prior art, the screens are not so large that creases in the canopy are a severe problem. A retractable awning as claimed in claim 1, further comprising a storage roller for storing the screen when it is not in use. The retractable awning according to claim 9, wherein each end unit that includes an engagement member for the guide portion of the screen mantle is movably engaged the cable.

The advantage of this arrangement is that the tension sensor remains in a fixed position and therefore data from it halcomqster easily be extracted through fixed wires. This limit of tension has been a major factor in limiting the size both width and length of such covering systems. Both end units each also have a rotary encoder 11as can be seen in FIG. The power supply to the master end unit is via cable 41 which is threaded through the screen from the motion control unit 30 to the master end unit It is also easier with a smaller span to provide the tension required to prevent sagging of the screen at that angle.

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As the screen is raised significantly above the ground, wind passes both over and underneath halcomasger screen and the screen can easily catch the wind and experience high forces.

Halcomaster Gebruiksaanwijzing –

Although no tension sensor is shown in FIG. Under the high tensions involved in such canopies, there is a greatly increased chance of the fabric tearing at such weaknesses. A retractable awning as claimed in claim 1further comprising a storage roller for storing the screen when it is not in use.

One mode of operation is the position mode, which is the halcomastter mode. Preferred embodiments of the present invention will now be described by way of example only and with reference to the accompanying drawings, in which:. A retractable awning as claimed in claim 29wherein the tension is maintained within predetermined values. Many elements of these further embodiments are the same as those of the first embodiment described above and will therefore not be described further.

This embodiment is similar to the first embodiment halcomastee the halcomasster in that the screen 3 is drawn out along fixed cables 4 by means of motor-driven roller units attached to those cables 4. A further motor may be provided to drive each end unit. The system can be turned off at any point, but if this happens, then the master end unit will no longer be able to monitor its position error and thus ensure the screen 3 is maintained under tension.

Master end unit 20 is shown in a case 10 and slave end unit 21 is shown without a case. The other two modes are sub-modes of the position loop mode. This embodiment is similar to the first embodiment of the invention in that the screen 3 is drawn out along fixed cables 4 by means of motor-driven roller units attached to those cables 4. In an alternative embodiment of the invention, the screen is deployed by 200 of tensile wires connected at one end to the front leading edge corners of the screen and at the other end to supports, e.

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The motion control PCB 34 sends a command comprising a destination position on cable 4 to master local controller 64 of the master PCB 60 via the RS communications channel over cable If the motors are provided adjacent to the end supports, the tension meter may be positioned between the tensile wire and the screen. However, in this embodiment ahlcomaster is preferred that the motors are all individually controlled by the main control unit 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.

Instead, each motor would send data to and receive commands from the main control unit directly. This causes the local controller 39 of the motion control PCB 34 to stop the stationary AC motor 35 from paying out the cover, and reverses the direction of the motor 35 for a short time in order to stretch the cover 3 slightly.

However, it may also be monitored by other means such as by optical distance measuring e. Halcomster retractable awning as claimed in claim 9, wherein each engaging member comprises two rollers forming a roller system. As described above, this is important for preventing creases in the screen from developing during the rolling up process and for keeping the screen straight during the rolling up process. It is desired that the master and slave units keep synchronised i.

Two cables 4 which are under high tension are provided to support the deployed screen and prevent it sagging too much under its own weight.

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. A signal from the limit switch indicating that an obstacle has been encountered may be used to halt the canopy motors and storage roller motor.

One of the drive motors may control another in a master-slave relationship. As noted above, though these may be directly controlled by a single control unit.