Device for measuring the temperatures of axles or bearings...

B - Operations – Transporting – 61 – K

Patent

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Details

B61K 9/06 (2006.01)

Patent

CA 2386409

The invention relates to a device for measuring the temperatures of axles or bearings for locating hot-boxes or over-heated brakes in rolling stock. The infrared rays of the measuring points are guided over an oscillating mirror (9) and onto an infrared receiver (8). Sent infrared rays are detected in the scanning level which is defined by the oscillation of the oscillating mirror (9) and crosswise in relation to the longitudinal direction of the rails. At least two deviation mirrors (1, 2) are arranged in the scanning level and at a distance (a) from each other crosswise in relation to the longitudinal direction of the rails. The deviated infrared rays of the deviation mirrors (1, 2) are detected in chronological sequence and according to the oscillation of the oscillating mirror (9).

L'invention concerne un dispositif pour mesurer la température d'axes ou de paliers afin de localiser des boîtes chaudes ou des freins surchauffés dans du matériel roulant. Les rayons infrarouges des points de mesure sont guidés, par l'intermédiaire d'un miroir oscillant (9), vers un récepteur d'infrarouges (8). Les rayons infrarouges émis transversalement par rapport au sens longitudinal du rail sont captés dans le plan de balayage qui est défini par l'oscillation du miroir oscillant (9). Dans le plan de balayage de ce dispositif, au moins deux miroirs de déviation (1, 2) sont placés de façon à être séparés par une distance (a) transversalement par rapport au sens longitudinal du rail. Les rayons infrarouges déviés par les miroirs de déviation (1, 2) sont captés selon une séquence chronologique, conformément à l'oscillation du miroir oscillant (9).

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