Meet resistance control method and control system of roller shutter door capable of adapting grease changing
A control method and rolling door technology, which is applied to windows/doors, door/window protection devices, building components, etc., can solve problems such as safety impact, rolling door mis-blocking, and motor operating current increase, etc., to achieve high safety, Ensure smooth operation and reduce the effect of personnel operations
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[0023] The invention will be further described below in conjunction with the embodiments in the accompanying drawings.
[0024] Such as figure 1 A resistance control method for a rolling door that adapts to grease changes is shown, including the following steps:
[0025] When closing the door, if the frozen lubricating grease is not thawed within 5 seconds of motor operation, and the motor current is much higher than the normal door closing current, the motor will stop immediately, and then reverse upward to the upper limit;
[0026] Within 2 seconds after the rolling door runs reversely to the upper limit, if the user closes the door again, within 5 seconds of starting to close the door, the controller will turn off the blocking function and the door will go down normally;
[0027] When closing the door, after the motor runs for more than 5 seconds, the lubricating grease begins to thaw slowly under the action of friction. If the rolling shutter door encounters resistance at...
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