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Dew point dehumidifier control method

A control method and dehumidifier technology, which are applied in heating and ventilation control systems, heating methods, household heating and other directions, can solve the problems of low moisture content control accuracy and large power consumption, and achieve simplified structure, power saving, The effect of high control precision

Active Publication Date: 2014-04-23
HANGZHOU YUEJU ENVIRONMENTAL EQUIP
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a dew point dehumidifier control method with high control precision and low energy consumption in order to overcome the disadvantages of low humidity control accuracy and large power consumption in the dehumidification method in the prior art

Method used

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] Such as figure 1 The illustrated embodiment is a method for controlling a dew point dehumidifier, comprising the following steps:

[0035] A standard dew point temperature range is set in the controller 1 to A 2 , with 3 operating frequency values ​​F of the inverter compressor 1 , F 2 and F 3 , F 1 2 3 ; There is a dry bulb temperature threshold T 1 ,T 2 ,T 1 2 ; set the relative humidity threshold as Ф 1 , Ф 2 , Ф 1 2 ;

[0036] A in this example 1 12°C, A 2 14°C, T 2 at 28°C, T 1 at 15°C, Ф 1 43%, Ф 2 68%, F 1 50Hz, F 2 57Hz, F 3 72Hz.

[0037] Step 100, two temperature and humidity sensors respectively detect the air dry-bulb temperature T and relative humidity Ф at the air inlet and the air outlet,

[0038] Step 200, the controller utilizes the formula T L = ...

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Abstract

The invention discloses a dew point dehumidifier control method. According to the dew point dehumidifier control method, the working frequency of a frequency conversion compressor of a frequency conversion fresh air dehumidifier is controlled through the dew point temperature at an air inlet and an air outlet and a controller controls operation of the frequency conversion compressor to enable the dew point temperature at the air outlet to be maintained within a standard dew point temperature range. The dew point dehumidifier control method has the advantages of being high in control accuracy, saving electric energy and being good in economic efficiency.

Description

technical field [0001] The invention relates to the technical field of refrigeration and dehumidification control, in particular to a control method for dew point dehumidifiers suitable for family villas, high-end residences, hotels, basements and other places. Background technique [0002] Dew point dehumidifiers have been widely used as humidity control devices. However, the current dew point dehumidifier uses a fixed-speed compressor for energy regulation, the compressor is frequently started and stopped, the humidity control accuracy is low, and the power consumption is large. In the dehumidification system of the dew point dehumidifier, the air dry bulb temperature and relative humidity are used as the control parameters. The air dry bulb temperature and relative humidity are two parameters that affect each other. , the relative humidity decreases; conversely, the dry bulb temperature decreases and the relative humidity increases. [0003] Therefore, if the control me...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
Inventor 尹洪海
Owner HANGZHOU YUEJU ENVIRONMENTAL EQUIP
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