SCM In The Solar Hot Water System Of Applay

Among the applications of the solar energy, heat collector of solar energy for heating water is being extensively applied. Through exploring the energy from the natrue, this technology is particularly important for today's society to relieve the stress from lack of sources. In this thesis, the state of the art and tendencies of intelligent control technologies for solar energy collector were reviewed, and their mechanisms and methods were further investigated and discussed. All these might be applicable for heating engineering and household solar energy collector. On the other hand, the compatability between construction engineering and individual use was realized. In this thesis, it was to mainly investigate the function of heating aid of the central heating system of solar energy, i.e., the heating transfer between the heat collector and water tank, and the single-chip microcomputer (SCM) control system of auxiliary electrical heating.Characteristically, the heat collecting system was intelligentized by the single-chip microcomputer, and digital filtering improved various indices and the reliability of the system. As a result, various functions (such as water level indication, automatically water-supplying, temperature indication, timing water-supplying, automatically alarming of no water-supplying, etc.) were satisfied. Use of LED display shows the operation of solar water heaters, easy to use.In selecting the control method, by applying the single-chip microcomputer technology and fuzzy control theory, the heat transfer between the heat collector and water tank, and auxiliary electrical heating were analyzed. Control the design, because of the need to consider how to make full use of solar energy, in good weather circumstances, as far as possible without electric heater, solar energy and intensity not only in the circumstances, in order to meet user requirements, before the opening of electric heating , To add solar energy deficiencies. According to the above control requirements, we can use technology to complete the fuzzy control of the circulation pump and electric heater control.At the same time, the programs for the single-chip microcomputer were developed and the efficiency in collecting solar energy was greatly improved. In this case, electric energy was saved.