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Contrastive analysis method for curve deviation formed based on fan position characteristics and application

A technology of comparative analysis and analysis method, which is applied in the direction of mechanical equipment, machine/engine, pump control, etc., can solve the problems of easy abnormality of fan working environment data and failure of deviation analysis, so as to facilitate maintenance, improve effectiveness, and avoid analysis wrong effect

Pending Publication Date: 2022-02-08
中广核全椒风力发电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Before testing the fan, it is necessary to analyze the characteristics of the fan to reduce the cost of use as much as possible. In this process, it is necessary to use the curve deviation comparison analysis system formed by the position characteristics of the fan. The existing analysis system conducts deviation analysis. , it is necessary to collect and use the working environment data of the fan, but the working environment data of the fan used is prone to abnormalities, which leads to the failure of the deviation analysis

Method used

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  • Contrastive analysis method for curve deviation formed based on fan position characteristics and application
  • Contrastive analysis method for curve deviation formed based on fan position characteristics and application
  • Contrastive analysis method for curve deviation formed based on fan position characteristics and application

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Embodiment 1

[0034] refer to Figure 1 to Figure 3 , the method for comparative analysis of curve deviation based on fan position characteristics described in this embodiment includes the following steps,

[0035] S01. Collect raw data such as wind pressure, power, air density, gas pressure, temperature, etc. of the fan, and convert it into an identifiable type;

[0036] S02. Calculate the detection data such as air volume, wind pressure, power and efficiency through the input raw data;

[0037] S03. Preset the limit value, and compare the detected value with the preset value to determine whether the detected value is abnormal. If there is no abnormality, conduct a comparative analysis of the deviation of the fan characteristic curve;

[0038] S04. Select the abnormal data and mark it to indicate the source location of the abnormal data;

[0039] S05. Review according to the source location of abnormal data, obtain new data, and iterate five times until normal data appears, if not, use t...

Embodiment 2

[0043] refer to Figure 1 to Figure 3 ,, the system for comparing and analyzing the curve deviation based on the position characteristics of the fan described in this embodiment includes a data monitoring terminal 10, the data monitoring terminal 10 is used to obtain working environment data related to the characteristics of the fan, and the data monitoring terminal 10 includes: a wind pressure sensing unit 11, used to obtain wind pressure data of fan operation;

[0044] The power sensing unit 12 is used to obtain power data when the fan is working;

[0045] The air density sensing unit 13 is used to obtain the air density data of fan operation;

[0046] Gas pressure sensing unit 14, used to obtain the gas pressure data of fan operation;

[0047] The temperature sensing unit 15 is used to obtain the temperature data of fan operation;

[0048] The system also includes a data conversion unit 20, which is used to integrate and output the working environment data of the fan acq...

Embodiment 3

[0069] refer to Figure 1 to Figure 3 The system for comparing and analyzing the curve deviation based on the fan position characteristics described in this embodiment is a further improvement made on the basis of Embodiment 2. The system also includes a data sharing unit 30 for integrating the data conversion unit 20 and The output data after conversion is shared and shared with all users; through data sharing, it is convenient for all users to obtain data from the data monitoring terminal 10 .

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Abstract

The invention discloses a contrastive analysis method for curve deviation formed based on fan position characteristics and application, and relates to the field of fans. The contrastive analysis method for the curve deviation formed based on the fan position characteristics comprises the steps of S01, collecting wind pressure, power, air density, gas pressure, temperature and other original data of a fan, and converting the original data into recognizable types; S02, calculating detection data such as the air volume, the air pressure, the power and the efficiency through the input original data; S03, presetting a limit value, comparing a detection value with the preset value, judging whether the detection value is abnormal or not, and if not, carrying out comparative analysis on the fan characteristic curve deviation; and S04, selecting and marking the abnormal data, and marking the source position of the abnormal data. By classifying and replacing the data acquired by a data monitoring terminal, analysis errors caused by working environment data errors can be avoided, and the effectiveness of deviation analysis can be improved.

Description

technical field [0001] The invention relates to the field of fans, in particular to a comparative analysis method and application of curve deviations formed based on fan position characteristics. Background technique [0002] The correct selection of fans is an important condition to ensure the normal and economical operation of the ventilation system. The so-called correct selection of fans mainly refers to the selection of fans for different purposes according to the nature and use of the gas to be transported; the selected fan must meet the air volume required by the system, and at the same time the wind pressure of the fan must be able to overcome the resistance of the system, and at the highest efficiency or Work within economical use. [0003] Before testing the fan, it is necessary to analyze the characteristics of the fan to reduce the cost of use as much as possible. In this process, it is necessary to use the curve deviation comparison analysis system formed by th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D27/00
CPCF04D27/00F04D27/001F04D27/008
Inventor 郎泽萌杜强张小雷洪楠
Owner 中广核全椒风力发电有限公司
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