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Method used for simulating all air-air conditioning system and device thereof

An air-conditioning system and all-air technology, applied in heating and ventilation safety systems, control input involving air characteristics, heating and ventilation control systems, etc., can solve the problems of large volume and high energy consumption, and achieve energy saving and scientific adjustment methods , Enrich the effect of the simulation control method

Inactive Publication Date: 2015-07-08
SUZHOU UNIV OF SCI & TECH
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Problems solved by technology

[0004] For this reason, the technical problem to be solved by the present invention is to overcome the disadvantages of large volume and high energy consumption in the prior art because the air-conditioning system teaching experiment devices are all based on real systems.

Method used

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  • Method used for simulating all air-air conditioning system and device thereof
  • Method used for simulating all air-air conditioning system and device thereof
  • Method used for simulating all air-air conditioning system and device thereof

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Embodiment Construction

[0058] figure 1 A flow chart of a method for simulating an all-air air-conditioning system according to an embodiment of the present invention is shown, and the method includes the following steps:

[0059] Step 101: Receive fresh air temperature / humidity values ​​and return air temperature / humidity values.

[0060] Step 102: Calculate and obtain the fresh air enthalpy value and the return air enthalpy value respectively according to the fresh air temperature / humidity value and the return air temperature / humidity value. Among them, the enthalpy of air refers to the total heat contained in the air, usually based on the unit mass of dry air. Enthalpy is represented by the symbol i, and the unit is kj / kg dry air. The enthalpy of wet air is equal to the sum of the enthalpy of 1kg of dry air and the enthalpy of dkg of water vapor. The formula for calculating the enthalpy value of wet air is as follows: i=1.01t+(2500+1.84t)d, where: t—air temperature, unit is ℃; d—air moisture co...

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Abstract

The invention discloses a method used for simulating an all air-air conditioning system and a device thereof. The method used for simulating the all air-air conditioning system comprises the steps that a fresh air temperature / humidity value and a return air temperature / humidity value are received; according to the fresh air temperature / humidity value and the return air temperature / humidity value, a fresh air enthalpy value and a return air enthalpy value are obtained by calculating respectively; when an absolute value of a difference value between the fresh air enthalpy value and the return air enthalpy value is larger than a preset difference value, a working mode which is a working mode with the smallest fresh air capacity of the all air-air conditioning system is obtained. The method used for simulating the all air-air conditioning system and the device thereof serve as an all air-air conditioning system teaching experiment method which is totally based on a simulation system and a device thereof, the size is small, the energy consumption is low, the failure rate is low, and teaching is convenient.

Description

technical field [0001] The invention relates to the field of computer simulation of an air-conditioning system, in particular to a method and device for simulating an all-air air-conditioning system. Background technique [0002] In recent years, with the rapid development of China's construction industry, simple residential functions are far from meeting people's requirements for buildings. Intelligent buildings based on modern building technology, computer technology, communication technology and control technology have gradually entered In the public eye, it has attracted widespread attention. The automatic control of the air conditioning system is an important link in the realization of intelligent buildings. Most central air conditioners in intelligent buildings are no longer controlled manually or pneumatically, but are automatically controlled by computers. Therefore, the teaching method of architectural environment and energy application engineering must be synchroni...

Claims

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Application Information

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IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/62F24F11/64F24F11/65F24F2110/10F24F2110/20
Inventor 刘成刚刘润东孙育英
Owner SUZHOU UNIV OF SCI & TECH
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