Online real-time calculation and evaluation method for electronic belt scale

An electronic belt scale and real-time calculation technology, applied in the direction of weighing equipment testing/calibration, etc., can solve the problems of no measurement of the matching between instantaneous flow and cumulative weight, mismatch between instantaneous flow and cumulative weight, and no consideration of electronic belt scales, etc. Achieve the effects of estimating the risk of weighing errors, improving the accuracy and instantaneous accuracy of the feeding process, and enhancing monitoring efforts

Active Publication Date: 2020-02-18
CHINA TOBACCO SICHUAN IND CO LTD
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide an electronic belt scale online real-time calculation and evaluation method, which is used to solve the problem that the use of electronic belt scales in the prior art does not consider the matching of insta

Method used

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  • Online real-time calculation and evaluation method for electronic belt scale
  • Online real-time calculation and evaluation method for electronic belt scale
  • Online real-time calculation and evaluation method for electronic belt scale

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Experimental program
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Embodiment 1

[0027] An online real-time calculation and evaluation method for an electronic belt scale, comprising:

[0028] Step S1: With the material signal of the electronic belt scale as the trigger condition, collect the weight collection value and speed collection value, instantaneous flow collection value and cumulative weight collection value output by the electronic belt scale, and calculate the instantaneous flow calculation value and cumulative weight calculation value:

[0029] Instantaneous flow calculation value = weight collection value × speed collection value

[0030]

[0031] Among them, n is the sampling frequency of each batch of materials, n=production time length / sampling frequency;

[0032] Step S2: Calculate the instantaneous flow rate of pass and the cumulative weight of pass rate during the collection process, specifically:

[0033] During the sampling process, the instantaneous flow collection values ​​satisfying the formula (1) are counted:

[0034] Instant...

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Abstract

The invention discloses an online real-time calculation and evaluation method for an electronic belt scale. With a material signal of an electronic belt scale as a triggering condition, a weight collection value, a speed collection value, an instantaneous flow collection value and an accumulated weight collection value that are outputted by the electronic belt scale are collected and an instantaneous flow calculation value and an accumulated weight calculation value are calculated; and a ratio of a collection point to total collection points of the instantaneous flow collection value within upper and lower limits of the instantaneous flow calculation value and a ratio of a collection point to total collection points of the accumulated weight collection value within upper and lower limits of the accumulated weight collection value are calculated to obtain qualification rates of the instantaneous flow collection value and the accumulated weight collection value. According to the method disclosed by the invention, the real-time monitoring of the weighing accuracy of the electronic belt scale is realized and the weighing error risk is estimated; alarm shutdown can be conducted in timethrough real-time judgment; the damage of the production material quality is reduced; and the process monitoring strength of the electronic belt scale is greatly enhanced.

Description

technical field [0001] The invention relates to the technical field of electronic belt scales, in particular to an online real-time calculation and evaluation method for electronic belt scales. Background technique [0002] Electronic belt scales are important equipment in the production line of the manufacturing industry to achieve accurate measurement of moving materials. In the 03 edition of the cigarette process specification, the stability of the material flow rate (instantaneous weight) in the processing process is used as an index to measure the processing capacity, and all manufacturers are working hard to improve this index. The stability of the material flow in the process is guaranteed by the constant-flow electronic belt scale, so each electronic belt scale manufacturer has thought of many ways to stabilize the material flow, such as mechanically controlling the height of the material on the electronic belt scale, so that through The height of the material in th...

Claims

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Application Information

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IPC IPC(8): G01G23/01
CPCG01G23/01
Inventor 刘静远刘杰李昕陈钇辛王斌张序海黄暹熊俭廖晓宁郭睿涵王义雄胡克宇孙常荣夏君
Owner CHINA TOBACCO SICHUAN IND CO LTD
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