Device for weighing running vehicle
First Claim
1. A device for weighing moving vehicles having the maximum number n and the minimum distance D of wheel axles, comprising M weighing platforms arranged serially on a road surface along the running direction of said vehicles, the dimension of said weighing platforms being less than said minimum distance D of wheel axles, M electromechanical converting means for producing electric signals which are respectively proportional to the loads applied respectively onto said weighing platforms, N adder circuits connected respectively to the outputs of said converting means for summing up the outputs of said converting means, where N is equal to or greater than n, N groups of gate circuits, each group consisting of M gate circuits inserted respectively between said converting means and adder circuits for effecting separate conduction control of the outputs of said converting means, N averaging circuits for calculating average loads from the outputs of said adder circuits respectively, and a control circuit for controlling said gate circuits such that said groups of gate circuits pass exclusively the load signals corresponding to the respective wheel axles.
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Accused Products
Abstract
Apparatus for measuring the weight of a moving vehicle which includes a series of platforms with the length of each platform being shorter than the distance between axles, means for converting displacement of said platforms to electrical signals and electronic means for averaging the signals produced by the individual axle loads to produce the weight of the vehicle.
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Citations
3 Claims
- 1. A device for weighing moving vehicles having the maximum number n and the minimum distance D of wheel axles, comprising M weighing platforms arranged serially on a road surface along the running direction of said vehicles, the dimension of said weighing platforms being less than said minimum distance D of wheel axles, M electromechanical converting means for producing electric signals which are respectively proportional to the loads applied respectively onto said weighing platforms, N adder circuits connected respectively to the outputs of said converting means for summing up the outputs of said converting means, where N is equal to or greater than n, N groups of gate circuits, each group consisting of M gate circuits inserted respectively between said converting means and adder circuits for effecting separate conduction control of the outputs of said converting means, N averaging circuits for calculating average loads from the outputs of said adder circuits respectively, and a control circuit for controlling said gate circuits such that said groups of gate circuits pass exclusively the load signals corresponding to the respective wheel axles.
Specification