Comfort control system based on AVR single chip

Abstract

The invention relates to the technical field of single chip control and provides a comfort control system based on an AVR (Automatic Voltage Regulation) single chip. The control system comprises an upper machine and a lower machine, wherein the upper machine and the lower machine are connected with each other by an RS232 circuit to realize level conversion between the upper machine and the lower machine; the upper machine adopts a PC (Personal Computer) machine which is used for calculating each data collected in real time and generating a control signal; the control signal is transmitted to the lower machine via an RS232 circuit; a single chip control system is arranged in the lower machine; the system is controlled by the single chip to execute the control action so as to intelligently control a fan and an air conditioner. By using the control system provided by the invention, the indoor air speed, temperature and humidity can be accurately measured; and the single chip can accurately control the fan and the air conditioner according to the control command transmitted by the upper machine so as to realize automatic and intelligent control.

Description

technical field [0001] The invention relates to the technical field of single-chip microcomputer control, in particular to an AVR single-chip microcomputer-based comfort control system. Background technique [0002] In modern society, people spend more than 85% of their time indoors, and people have higher and higher requirements for the environment. Therefore, the quality of the indoor environment has a direct impact on the physical and mental health, comfort and work efficiency of the human body. The SET* indicator is based on the two-node model theory of body temperature regulation. The comprehensive thermal comfort index is obtained by analyzing the physical process of heat transfer in the human body, and the SET* index is used to predict the thermal response of the human body in a thermal environment. By inputting environmental variables and subjective variables related to people, using the two-level model to calculate , psk* and H get SET*. [0003] At present, the d...

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Problems solved by technology

[0003] At present, the dominant control method in the control of indoor environment in my country is to control the HVAC control system with comfort indicators (such as PMV or SET* indicators) as the target, and the indoor temperature is the control object instead of human comfort, ignoring In addition to other variables related to the thermal comfort of the human body, because the indoor environment HVAC system is a very complex system with time-varying and highly nonlinear characteristics, it is very difficult to establish an accurate model, so most air conditioners set the temperature Corresponding control within a certain value or within a certain range will lead to unsatisfactory control effects, which cannot meet people's needs for thermal comfort in many cases, and will also lead to an increase in the operating cost and energy consumption of the air conditioning system. And the demand for electricity increases, which is not conducive to energy saving and emission reduction

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