| 摘要 |
PURPOSE:To precisely detect the temperature of a brake wheel, by a method wherein infrared rays radiated from the brake wheel are converted into an electric signal through a transmission product by means of a converter, and the electric signal is directly detected by means of an electric signal. CONSTITUTION:An optical fibre 5, serving as a transmission product, is installed to the one friction pad 21 of friction pads 21 and 22 in a manner to extend through a back plate 3 and a friction material 4, the friction pads serving as a pair of dampers by which a brake disc 1 serving as a brake wheel is nipped. The one end face of the optical fiber 5 is positioned facing the side of the disc brake 1, the other end is connected to a converter 6 to convert infrared rays from the disc brake 1 into an electric signal, which is displayed as temperature by means of a temperature display unit 7. Thus, the temperature of the disc brake 1 can be precisely detected.
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