Method and apparatus for determining the material flow rate of c

Details Method and apparatus for determining the material flow rate of c Method and apparatus for determining the material flow rate of c

1985-09-27

1988-06-07

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 4, 356376, 356379, 73861, G01C 308, G01B 1124, G01B 1128, G01F 100

Patent

active

047492732

ABSTRACT:
A method and apparatus for determining the material flow rate of bulk material, transported by belt conveyers or the like, by continuously determining the contour of the free surface of the bulk material, at right angles to the direction of transport, via continuous non-contact distant measurement using transmitter-receiver mechanisms coupled with a computer, and by computing the cross section of the bulk material. A precise and reliable measurement of the height of bulk material on the conveyer belt is achieved by using, as the transmitter-receiver mechanisms, respective laser distance-measuring devices which emit and receive a reflecting laser beam. These devices preferably operate pursuant to the pulse transit time measuring principle. The laser distance-measuring devices are accommodated in a housing.

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