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Online calibration method for electronic belt scale

An electronic belt scale and calibration method technology, applied in the direction of weighing equipment testing/calibration, etc., can solve the problems of inability to achieve accurate batching, confusing measurement errors, large execution errors, etc., so as to improve calibration stability and reduce calibration accuracy. The effect of reducing the degree of error and improving the stability of ingredients

Active Publication Date: 2019-07-19
SHANDONG IRON & STEEL CO LTD
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AI Technical Summary

Problems solved by technology

Although there is a "zero-point stability verification" regulation in the general electronic belt scale verification standard (when the belt runs to the full number of turns with no load and as close as possible to 3 minutes, read the flow indication value 5 times each, and the maximum value among them The difference between the test method and the minimum value should meet the specified requirements), but on the one hand, the implementation error of this verification method is relatively large, and on the other hand, it is generally not implemented in production enterprises due to factors such as post operation level and working environment, resulting in electronic During the actual use of the belt scale, there are problems such as material fluctuation and measurement error confusion, which lead to the inability to achieve accurate batching
[0004] Therefore, how to solve the problem that the material fluctuation and the measurement error are confused during the actual use of the electronic belt scale, which leads to the inability to achieve accurate batching, is a technical problem that those skilled in the art need to solve at present.

Method used

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  • Online calibration method for electronic belt scale
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Embodiment Construction

[0030] The core of the present invention is to provide an electronic belt scale online calibration method, which can accurately distinguish the stability and accuracy of the electronic belt scale, and improve the stability of the electronic belt scale, and then correctly distinguish the material fluctuation and measurement error of the distribution production line, Achieve the goal of precise ingredients.

[0031] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] Please refer to figure 1 , figure 1 It is a schematic flowchart of a specific embodiment of the electronic belt scale online calibration method provided by the present invention.

[0033] The online calibration method of the electronic belt scale provided by the specific embodiment of the present invention can be used fo...

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Abstract

The invention discloses an online calibration method for an electronic belt scale. The method comprises the following steps of performing precision calibration on the electronic belt scale, wherein ifthe actual accuracy error value is greater than the accuracy error threshold, the calibration accuracy error of the calibration accuracy is reduced by "selecting the average value of n instantaneousflow measurements as the adjusted instantaneous flow measurement and extending the calibration detecting quantity and time", and the calibration stability of the electronic belt scale is improved; andperforming accuracy calibration on the electronic belt scale. The stability composite index is used to fill the blank of the stability calibration and adjustment of the electronic belt scale. Throughcomposite calibration and adjustment, the stability and accuracy of the electronic belt scale can be accurately distinguished and improved, and the material fluctuation and measurement error of the batching production line can be correctly distinguished further to achieve the goal of precise dosing. And the operation steps during online calibration are relatively simple, and can be combined withthe current automatic control facilities of the general electronic belt scale for self-control setting, thereby simplifying the first-line operation and facilitating promotion.

Description

technical field [0001] The invention relates to the technical field of material measurement, in particular to an online calibration method for an electronic belt scale. Background technique [0002] Electronic belt scale is a kind of measurement facility that is widely used at present. It is mostly used for material transportation, batching and other purposes. It is widely used in logistics, metallurgy, mining and other production fields. Affected by factors such as belt wear and conveying material adhesion, the actual operation of the electronic belt scale fluctuates to a certain extent, resulting in distortion of the measurement data. In order to ensure the accuracy of the measurement data of the electronic belt scale, it must be checked regularly. [0003] According to the current international recommendations (OIML R50:1996), national metrology verification regulations (JJG195-2002) and national standards (GB / T 7721-2007), the electronic belt scale has three accuracy lev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G23/01
CPCG01G23/01
Inventor 王志刚徐春玲王尚东亓蕾丁鑫志赵长安刘健真殷倩倩李强王金涛武中华梁筱伟
Owner SHANDONG IRON & STEEL CO LTD
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