Variable-air-rate air conditioner indoor temperature-humidity control method based on absolute humidity

A technology of temperature and humidity control and absolute humidity, applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., to achieve good engineering application value and feasible methods

Active Publication Date: 2017-11-17
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology

[0003] In view of the problem that there is no indoor greenhouse temperature control method based on the combination of absolute humidity control and terminal in the prior art, the purpose of the present invention is to propose a method for indoor temperature and humidity control of variable air volume air conditioners based on absolute humidity, and strive for comfort. The unity of sex and economy and energy saving

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  • Variable-air-rate air conditioner indoor temperature-humidity control method based on absolute humidity
  • Variable-air-rate air conditioner indoor temperature-humidity control method based on absolute humidity
  • Variable-air-rate air conditioner indoor temperature-humidity control method based on absolute humidity

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Embodiment Construction

[0031] The invention provides a method for controlling indoor temperature and humidity of a variable air volume air conditioner based on absolute humidity, comprising the following steps:

[0032] Step 1: Install the air-conditioning terminal equipment in the room 1 that needs to adjust the temperature and humidity. The air-conditioning terminal equipment includes the regulating air duct 2, and the electric damper 3 is installed on the regulating air duct 2. Adjust the air supply volume of the air pipe 2 to the indoor 1; through the control of the air supply volume, the indoor temperature is affected, so as to achieve the purpose of adjusting the indoor temperature.

[0033] The regulating air duct 2 is connected to the blower 11 in the central air conditioner, and the wind force of the blower 11 is introduced into the room; the air volume sensor 5 is installed in the regulating air duct 2, which is used to collect the current air volume in the regulating air duct 2; the system...

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Abstract

The invention discloses a variable-air-rate air conditioner indoor temperature-humidity control method based on absolute humidity. For the summer working conditions, combined cascade double-closed-loop control is adopted for the temperature and humidity control; according to a humidity control link, the air supply dew point is changed by adjusting the opening of a chilled water valve through an inner ring, and the room humidity is adjusted by changing the dew point set value through an outer ring; according to a temperature control link, the air output is changed by adjusting a terminal air valve, and the temperature control is achieved; for the coupling between the relative humidity and temperature, dew point dehumidification is conducted by introducing the absolute humidity; and for the coupling phenomenon between a temperature control loop and a humidity control loop, different correction coefficients are introduced into the control loops for decoupling and coordination, and the unification of the comfort and economic energy saving are achieved.

Description

technical field [0001] The invention belongs to the field of variable air volume air conditioning systems, in particular to indoor temperature and humidity control of variable air volume air conditioners, in particular to an indoor temperature and humidity method for variable air volume central air conditioning systems based on absolute humidity control. technical background [0002] Summer is the season with the most prominent energy demand for air conditioning systems, mainly due to the increase in ambient humidity and temperature. Humidity mainly affects the heat metabolism and water-salt metabolism of the human body. With the improvement of people's requirements for comfort, temperature and humidity control has become the key to air-conditioning in summer, and it is a research hotspot of air-conditioning scholars at home and abroad. In order to maintain an appropriate temperature and humidity in an air-conditioned room, dehumidification measures are required. There is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
Inventor 闫秀英韩宏权翟志伟
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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