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Controllable electronic belt scale flow control precision self-adaption method and system and computer medium

An electronic belt scale and flow control technology, which is applied in the field of system and computer media, controllable electronic belt scale flow control accuracy self-adaptive method, can solve the problems of not meeting the flow control accuracy requirements, related electrical characteristic variation, output signal error, etc. problems, to achieve the effect of improving convenience, making up for output errors, and making up for linear output errors

Active Publication Date: 2022-07-08
CHINA TOBACCO GUANGDONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First, the electrical characteristics of the above-mentioned components vary due to aging, temperature drift, and poor contact of the switch, resulting in errors in the output signal
The second is that the above-mentioned components have linearity errors. Under the input signals of different sizes, the errors of the output signals are obviously different, which will lead to the fact that the same belt scale cannot meet the flow control accuracy requirements under different set flow rates at the same time.
There is also no flow accuracy feedback mechanism in this scheme

Method used

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  • Controllable electronic belt scale flow control precision self-adaption method and system and computer medium
  • Controllable electronic belt scale flow control precision self-adaption method and system and computer medium
  • Controllable electronic belt scale flow control precision self-adaption method and system and computer medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] This embodiment provides an adaptive method for flow control accuracy of a controllable electronic belt scale, such as figure 2 shown, including the following steps:

[0050] S1: Monitor the instantaneous flow rate of the electronic belt scale, and calculate the accumulated weight within a preset period according to the instantaneous flow rate;

[0051] S2: Comparing the accumulated weight in the current cycle with the theoretical accumulated weight to obtain the detection accuracy, if the detection accuracy exceeds the detection standard accuracy, execute step S3, and if the detection accuracy does not exceed the detection standard accuracy, return to execute step S1 ;

[0052] S3: Calculate the standard maximum speed of the belt of the current electronic belt scale;

[0053] S4: Correct the standard maximum speed of the belt. When correcting, take the theoretical accumulated weight under the set flow set by the electronic belt scale as the standard value to realize...

Embodiment 2

[0094] This embodiment provides a controllable electronic belt scale flow control accuracy adaptive system, such as image 3 shown, including:

[0095] a monitoring calculation module, which is used for monitoring the instantaneous flow of the electronic belt scale, and calculates the accumulated weight in a preset period according to the instantaneous flow;

[0096] The comparison module is used to compare the accumulated weight in the current cycle with the theoretical accumulated weight to obtain the detection accuracy. If the detection accuracy exceeds the detection standard accuracy, it will enter the standard maximum speed calculation module. If the detection accuracy is not If it exceeds the detection standard accuracy, it will return to the monitoring calculation module;

[0097] a standard maximum speed calculation module, the standard maximum speed calculation module is used to calculate the standard maximum speed of the belt of the current electronic belt scale;

...

Embodiment 3

[0102] This embodiment provides a computer medium that, when executed by a processor, implements the method for self-adapting flow control accuracy of a controllable electronic belt scale described in Embodiment 1.

[0103] The same or similar reference numbers correspond to the same or similar parts;

[0104] The terms describing the positional relationship in the accompanying drawings are only used for exemplary illustration, and should not be construed as a limitation on this patent;

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Abstract

The invention discloses a controllable electronic belt scale flow control precision self-adaption method and system and a computer medium, and the method comprises the following steps: S1, monitoring the instantaneous flow of an electronic belt scale, and calculating the accumulated weight in a preset period according to the instantaneous flow; s2, comparing the accumulated weight in the current period with the theoretical accumulated weight to obtain detection precision, if the detection precision exceeds the detection standard precision, executing the step S3, and if the detection precision does not exceed the detection standard precision, returning to execute the step S1; s3, calculating the standard maximum speed of the belt of the current electronic belt scale; and S4, correcting the standard maximum speed of the belt, and during correction, taking the theoretical accumulated weight under the set flow set by the electronic belt scale as a standard value to realize flow control of the electronic belt scale. The output error of the belt weigher control system caused by characteristic variation of components is compensated, and the flow control precision is ensured.

Description

technical field [0001] The invention relates to the field of flow control of electronic belt scales, and more particularly, to a controllable electronic belt scale flow control precision self-adapting method, system and computer medium. Background technique [0002] In industrial production, in order to ensure the continuous and stable flow of processing materials, a solution is to configure feeding devices such as feeders and quantitative tubes at the front end of the belt scale. After the material is weighed and measured by the belt scale, it enters the next process. Among them, the structural parts of the electronic belt scale see figure 1 , mainly including load cell, belt speed sensor, scale body belt, control system (including electronic control loop). [0003] The weight sensor detects the material weight signal in the belt weighing area, the belt speed sensor detects the real-time speed of the scale body belt, and the belt drive motor drives the scale body belt unde...

Claims

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Application Information

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IPC IPC(8): G01G11/12G01G23/01
CPCG01G11/12G01G23/01Y02P70/10
Inventor 曹展华彭颖昊李志鹏钟敏捷余聪
Owner CHINA TOBACCO GUANGDONG IND
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