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

Active Publication Date: 2018-11-30
XUZHOU SANHE AUTOMATIC CONTROL EQUIP
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AI Technical Summary

Problems solved by technology

Due to reasons such as the chain slipping of the conveying bar, the rolling of the bar, and the vibration of the bar, the edge of the counting pulse signal generated by the detection device has a jitter pulse, that is, a narrow pulse interference signal, resulting in a counting error

Method used

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  • Bar production line speed adaptive automatic counting system
  • Bar production line speed adaptive automatic counting system
  • Bar production line speed adaptive automatic counting system

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Embodiment Construction

[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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Abstract

Provided is an automatic counting system adaptive to bar production line speed. The automatic counting system comprises an output pulse generating unit, a narrow pulse filtering unit, and a counting processing unit. The narrow pulse filtering unit filters out narrow pulse interference in a counting pulse generated by the output pulse generating unit and then transmits a filtered counting pulse to the counting processing unit to achieve counting. The counting processing unit uses a counting value as a counting result of a counting system. The automatic counting system adaptive to bar production line speed further comprises a transmission speed changing unit. The maximum width of the narrow pulse to be filtered out may adaptively vary with bar transmission speed and can be regulated by changing a circuit parameter. The automatic counting system adaptive to bar production line speed can be used for counting products in various bar production lines.

Description

technical field [0001] The invention relates to a metallurgical rod counting device, in particular to a speed adaptive automatic counting system for a rod production line. Background technique [0002] The metallurgical rod counting system is a commonly used equipment in the metallurgical industry. The counting system can accurately count the rods online, which is convenient for real-time online display and control of the number of rods in the metallurgical process. Due to reasons such as the chain slipping of the conveying bar, the rolling of the bar, and the vibration of the bar, the edge of the counting pulse signal generated by the detection device has a jitter pulse, that is, a narrow pulse interference signal, resulting in a counting error. In addition, the transmission speed of bar products is different, and the width of narrow pulse interference signals is also different. Contents of the invention [0003] In order to solve the problems existing in the existing ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K23/80
CPCH03K23/80
Inventor 杜民献凌云彭华厦
Owner XUZHOU SANHE AUTOMATIC CONTROL EQUIP
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