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A method for intelligently judging the state of temperature and humidity measuring points in air conditioning system

An air-conditioning system, temperature and humidity technology, applied in the direction of measuring devices, testing of machines/structural components, instruments, etc., can solve problems such as unresponsiveness, abnormal operation of air-conditioning control systems, and influence on the quality of tobacco product processes, so as to reduce daily work Strength, improve the level of automation and intelligence, improve the effect of reliability and intelligence

Active Publication Date: 2021-03-19
CHINA TOBACCO ZHEJIANG IND
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Problems solved by technology

Therefore, due to the abnormality of individual measuring points, the average temperature and humidity value of the entire area cannot truly reflect the actual temperature and humidity, causing the air conditioning control system to work abnormally, and in severe cases, the process quality of tobacco products in the control area will be affected.

Method used

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  • A method for intelligently judging the state of temperature and humidity measuring points in air conditioning system

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Embodiment

[0035] like figure 1 As shown, a method for intelligently judging the state of temperature and humidity measuring points of an air-conditioning system specifically includes the following steps:

[0036] Step S1, judging the state of the measuring point sensor

[0037] Collect the temperature and humidity value of the air conditioning system every 0.5s, and set the temperature and humidity value of the air conditioning system collected at the current measuring point as T i (i≥1), set the temperature and humidity value of the air conditioning system collected last time at the current measuring point as T i-1 (i≥1), and at the same time set the threshold for judging the abnormal jump of the measuring point to kT , k T =2. When|T i -T i-1 |>k T , it is determined that the current measurement point is in an abnormal state, and the temperature and humidity values ​​of the air-conditioning system collected by the current measurement point are eliminated, that is, the temperatur...

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Abstract

The invention discloses a method for intelligently judging status of a temperature-humidity measuring point of an air-conditioning system. The method comprises five steps of judging the status of themeasuring point sensor, judging the condition of the measuring point interfered by external environment, calculating the judgment and the weighted average under the small interfering condition, calculating the judgment and the weighted average under the big interfering condition, and restoring the judgment of the removed point. The method provided by the invention intelligently and more preciselyjudges the status of the temperature-humidity measuring point of the reaction control area of the air-conditioning system.

Description

technical field [0001] The invention belongs to the technical field of industrial control systems, and in particular relates to an intelligent method for judging the state of temperature and humidity measuring points of an air-conditioning system. Background technique [0002] In the workshop combined air conditioning control system in the tobacco industry, according to the tobacco process requirements, multiple temperature and humidity sensor measuring points are installed in each control area, and the average temperature and humidity of multiple measuring points are generally selected to reflect the temperature and humidity of the control area (average temperature and humidity Humidity is generally obtained by the algorithm of the average value). After the on-site temperature and humidity are fed back to the air-conditioning control system, the corresponding valves and fans of the air-conditioning system will be controlled and adjusted accordingly to stabilize the temperat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M99/00
CPCG01M99/005G01M99/008
Inventor 叶志晖王文娟邵坚铭
Owner CHINA TOBACCO ZHEJIANG IND
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