| 摘要 |
A method for information alert when a screw (21) becomes loose and an alarm device, related to the field of appliances. The method comprises: when all screws (21) are tightened, same press downward to turn off alarm (S101); when one or more of the screws (21) become loose, an alarm is issued and patent information is remotely pushed to a user (S102). The method utilizes the downward extending portions of the screws (21) when tightened to turn off the alarm device, when either screw (21) becomes loose, the alarm device is turned on because of insufficient downward pressure. The method allows loosing of either screw (21) to be noticed in a timely manner, prevents as early as possible accidents from happening, and, at the same time, safeguards and highlights the interests of the inventor/rights holder of the technique. |
