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A humidity control method and device

A humidity control and unit control technology, which is applied to control input related to air characteristics, space heating and ventilation control input, heating mode, etc., can solve problems such as low reliability and accuracy, waste of electricity, water and other resources

Active Publication Date: 2020-04-03
EMERSON NETWORK POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The embodiment of the present invention provides a humidity control method and device to solve the problems of low reliability and accuracy and waste of electricity, water and other resources existing in the existing temperature and humidity control methods

Method used

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Experimental program
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Effect test

Embodiment 1

[0088] Embodiment 1 of the present invention provides a humidity control method, specifically, as figure 1 As shown, it is a schematic flow chart of the humidity control method described in Embodiment 1 of the present invention, and the method includes:

[0089] Step 101: Detect the current temperature and the current dew point temperature of the circulating air.

[0090] Optionally, a temperature sensor or a temperature and humidity sensor may be used to detect the current temperature of the circulating air.

[0091] In addition, it should be noted that since the current dew point temperature of the circulating air cannot be directly detected by the sensor, and its value is related to the temperature and relative humidity of the circulating air, the temperature sensor or the temperature and humidity sensor can detect the temperature of the circulating air. The current temperature and the current relative humidity of the circulating air detected by the humidity sensor or the ...

example 1

[0143] Suppose, before controlling the temperature and humidity in the computer room, set the minimum dew point temperature, the maximum dew point temperature, the maximum relative humidity, the ideal dew point temperature, the relative humidity target value, the low temperature alarm value, and the high temperature alarm value ;Among them, the lowest value of dew point temperature<ideal dew point temperature<the highest value of dew point temperature, the target value of relative humidity<the highest value of relative humidity, the alarm value of low temperature<the alarm value of high temperature; and set the first boundary of the control range of dew point temperature Infinitely lower than the low temperature alarm value, and the second boundary is infinitely higher than the high temperature alarm value; and when setting the temperature and humidity control, it is necessary to refer to the ideal dew point temperature, the control process is as follows:

[0144] Step 1: Detec...

example 2

[0176] Assume, before controlling the temperature and humidity in the computer room, set the minimum value of dew point temperature, the maximum value of dew point temperature, the maximum value of relative humidity, the target value of relative humidity, the alarm value of too low temperature, and the alarm value of too high temperature; among them, dew point The lowest temperature value<the highest dew point temperature value, the relative humidity target value<the highest relative humidity value, the low temperature alarm value<the high temperature alarm value; and the first boundary of the dew point temperature control range is set to be equal to the low temperature alarm value , and the second boundary is equal to the high temperature alarm value; and when the temperature and humidity control is set, without reference to the ideal dew point temperature, the control process is as follows:

[0177] Step 1: Detect the current temperature and current dew point temperature of t...

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Abstract

The invention discloses a humidity control method and device. Firstly, the current temperature and current dew-point temperature of the circulating air are detected, and whether the current temperature of the circulating air is within the set dew-point temperature control range or not is judged. If yes, the humidification and dehumidification states of a unit are controlled in order to adjust the dew-point temperature and relative humidity of the circulating air, and the dew-point temperature of the processed circulating air is made to be not lower than the set the minim dew-point temperature value but not higher than the maximum dew-point temperature value, and the relative humidity of the processed circulating air is made to be not higher than the maximum relative humidity value. In other words, the humidity is controlled through the dew-point temperature according to the physical properties of the air, the influence of temperature on the relative humidity is avoided, and therefore the situation that an air conditioner carries out dehumidification while carrying out humidification is avoided to the maximum extent. Not only are the effects of saving energy and water achieved, but also the possibility of temperature and humidity fluctuation of the processed air is lowered, and the reliability and accuracy of temperature and humidity control are improved.

Description

technical field [0001] The invention relates to the field of automatic control, in particular to a humidity control method and device. Background technique [0002] With the application of air conditioners more and more widely, all walks of life gradually put forward higher requirements for air conditioners, not only higher requirements for the control accuracy of ambient temperature and humidity, but also higher requirements for energy saving, water saving, cleanliness, etc. new requirements. These users are mainly concentrated in computer rooms, food production, operating rooms, pharmaceutical manufacturing, chemical production and other occasions. [0003] At present, for occasions such as computer rooms that require precise control of temperature and humidity, the control of temperature and humidity can be mainly realized through conventional temperature-humidity control logic. Specifically, the conventional temperature control logic can be: set the target temperature ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/64F24F11/65F24F110/10
Inventor 马亮峰王锋马丽强
Owner EMERSON NETWORK POWER CO LTD
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