Device for detecting the risk of black ice for motorcyclist

摘要

The device (16) for incorporating in the visor of a helmet for motorcyclist comprises a temperature sensor (32), a visual indicator (34) of the risk of black ice with a display face (65), a control unit (36) for the visual indicator operated as a function of the information provided by the temperature sensor, a light-emitting diode (LED) (64), and a battery (38) mounted on the printed circuit board (66). The device also comprises a case (30), the means for fastening (40), in particular a double-sided adhesive layer (60), on a transparent receiving surface (22) of the visor so that the visual indicator (34) is turned towards the surface (22). The case (30) has a support face (46) which is deformable so that it can take the shape of the transparent receiving surface (22). The visual indicator (34) is associated with the LED (64) and the support face (46) has a porthole (62) located with respect to the LED. The exterior surface (51) is opposite to the support face (46), and the former is with inscriptions, for example of commercial type. The control unit (36) is adapted so to activate the LED (64) only when the temperature measured by the sensor (32) is below a threshold temperature, for example 1-2 degrees C. The battery (38)forms an autonomous power supply which is connected so that the control unit (38) is constantly supplied from the time of an initial supply. Independent claims are also included for a visor for a helmet comprising the detection device (16), and for a helmet comprising a shell and the visor. An Independent claim is included for a visor and helmet containing a black ice-detecting device.