Bar production line speed adaptive automatic counting system
An automatic counting and self-adaptive technology, which is applied to the pulse counter of semiconductor devices with only two electrodes, etc., can solve the problems of counting pulse signal jitter pulse, narrow pulse interference, counting error, etc., and achieve the elimination of rising edge continuous jitter and The effect of continuous jitter on the falling edge and reduction of counting errors
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[0023] The present invention will be further described below in conjunction with accompanying drawing.
[0024] Such as figure 1 Shown is a structural block diagram of an embodiment of an adaptive automatic counting system for a bar production line speed. The counting pulse generating unit 101 outputs an initial pulse M1, and the narrow pulse filtering unit 201 performs narrow pulse filtering on M1 to obtain the counting pulse N1 after filtering out the interference pulse. The counting pulse N1 is sent to the counting processing unit 301, and the counting processing unit 301 counts N1.
[0025] The counting pulse generation unit is a photoelectric switch, Hall switch, magnetic reed switch commonly used in the production line, or a counting detection device such as an inductive proximity switch or a capacitive proximity switch. Output an initial pulse signal when a bar passes through the bar production line. The initial pulse is the count pulse without filtering out the inte...
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