Automatic volume regulating and controlling method for gas-burning machine heat pump

Abstract

The present invention is automatic volume regulating and controlling method for heat pump in gas-burning machine, and belongs to the field of volume regulating technology for heat pump in gas-burning machine. The automatic volume regulating and controlling method includes the macro regulation and control of the mixed control system with rotation speed of the gas-burning machine as target, the intake valve of the gas-burning machine as executing mechanism, the predicted value of building load as main feedforward parameter and building indoor temperature as control feedback parameter; and the micro egulation and control of the mixed control system with the opening of the electronic expansion valve as the regulating target, the step motor as the executing mechanism, the rotation speed of the gas-burning machine as the feedforward parameter and the system overheat degree as the feedback parameter. The present invention has automatic running control of heat pump set in high energy utilizing rate.

Description

technical field [0001] The patent of the present invention relates to an automatic capacity adjustment and control method of a building environment combined cooling and heating energy system driven by various optional clean fuels such as natural gas or biogas. More specifically, it is realized by a gas engine heat pump system. The invention relates to a capacity automatic adjustment and control method for cooling and hot water supply in summer, and heating and hot water supply in winter for year-round operation. Background technique [0002] In recent years, many areas of our country suffer from severe power shortage in summer. According to experts' prediction, the power shortage situation in summer will not be effectively alleviated within a few years. Electric air-conditioning is the main reason for the peak load in summer. The combined cooling and heating units driven by gas engines basically do not need electric load. Facing cost, environment...

AI Technical Summary

Problems solved by technology

It can be seen that due to the complexity of the gas engine heat pump device, it is impossible to establish an accurate mathematical model, which makes the classical control theory or modern control theory lack the most fundamental foundation, and it is difficult to achieve effective control

Although adaptive and self-tuning control theory can carry out online identification of controlled objects lacking mathematical models, this recursive algorithm is responsible and has poor real-time performance.

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