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Control method and control device for two-stage gas replenishing and enthalpy increasing system

A technology of supplementary air enthalpy increase and control method, which is applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., and can solve the problems of low control accuracy of the two-stage air supplemental enthalpy increase system

Active Publication Date: 2016-09-21
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology

[0005] Embodiments of the present invention provide a control method and device for a two-stage air supplement enthalpy increasing system, to at least solve the technical problem of low control accuracy of the two-stage air supplement enthalpy increasing system in the prior art

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0022] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a control method and a control device for a two-stage gas replenishing and enthalpy increasing system. The control method comprises the following steps of acquiring a target gas replenishing temperature of the two-stage gas replenishing and enthalpy increasing system, wherein the target gas replenishing temperature is determined on the basis of evaporation temperature and condensation temperature of the two-stage gas replenishing and enthalpy increasing system and operation frequency of a compressor; and adjusting the opening degree of an electronic expansion valve of the two-stage gas replenishing and enthalpy increasing system based on the target gas replenishing temperature and current gas replenishing temperature of the two-stage gas replenishing and enthalpy increasing system. According to the control method and the control device disclosed by the invention, the technical problem of low control accuracy of the two-stage gas replenishing and enthalpy increasing system in the prior art is solved.

Description

technical field [0001] The invention relates to the field of air conditioner control, in particular to a control method and device for a two-stage air supplement enthalpy increasing system. Background technique [0002] Compared with the single-stage air supplement enthalpy system adopted by the air conditioner, the two-stage air supplement enthalpy system increases the intermediate air supplement process. To ensure that the two-stage air supplement enthalpy system can operate at the best performance is the current two-stage air supplement enthalpy increase system. Difficulties in the control of enthalpy systems. At present, the control of the best performance of the dual-stage air supplement enthalpy system is mainly reflected in the control of the optimal air supplement coefficient. Under certain working conditions, when the optimal air supplement coefficient is met, the dual-stage air supplement The system then runs at its optimum performance. [0003] However, in the p...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/053F24F11/76F25B41/34
CPCF24F11/76F24F11/83F24F11/84Y02B30/70
Inventor 罗波林金煌邹云辉梁博叶务占黄志辉陈锐东陈姣
Owner GREE ELECTRIC APPLIANCES INC
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