Compressor control method and system of modular water machine

A technology of compressor system and control method, applied in heating and ventilation control system, control input involving air characteristics, heating and ventilation safety system, etc., can solve problems such as low energy efficiency ratio of equipment

Active Publication Date: 2017-08-18
GUANGDONG CHIGO HEATING & VENTILATION EQUIP CO LTD
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Problems solved by technology

[0006] In view of this, the first object of the present invention is to provide a compressor control method for a modular water machine, which can effectively solve the problem that existing modular water machine equipment is limited by traditional

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  • Compressor control method and system of modular water machine

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Embodiment Construction

[0029] The embodiment of the present invention discloses a compressor control method of a modular water machine to solve the technical problems that the existing modular water machine equipment is limited by inaccurate traditional design and control, resulting in low energy efficiency ratio of the equipment.

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] see figure 1 , figure 1 It is a schematic flowchart of the compressor control method of the modular water machine provided by the embodiment of ...

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Abstract

The invention discloses a compressor control method and system of a modular water machine. The compressor control method comprises the steps that the number n<1> of compressors needing to be started is calculated through a formula shown in the specification, wherein N is the number of modular water machine units which are in parallel connection in the system, T<max> is the full open temperature difference when the units are started for the first time, T<set> is the set refrigeration or heating temperature, and T is the current environment temperature; the compressors are controlled to work according to the number of the compressors needing to be started, and when n<1> is equal to or larger than 2N, the number of the compressors controlled to be started is 2N; when n<1> is larger than N and smaller than 2N, the two compressors in each of the (n<1>-N) units are controlled to be fully opened, and meanwhile, only one compressor in each of the (2N-n<1>) units is controlled to be started; and when n<1> is smaller than or equal to N, only one compressor in each of the n<1> units is controlled to be started. By adoption of the design, operation of a water machine system can be balanced, the number of the working compressors is determined by referring to actual supply and demand conditions, the situation that only the adaptive number of the compressors are controlled to work can be achieved, compressor working waste or insufficiency is avoided, and the system energy efficiency ratio is increased.

Description

technical field [0001] The present invention relates to the technical field of air conditioning equipment, and more specifically, relates to a compressor control method of a modular water machine, and also relates to a compressor system of a modular water machine. Background technique [0002] The modular water machine is an important design in the central air-conditioning equipment. It can solve the problem of machine placement. It can be freely combined according to the needs of the load size, and it is convenient to use, especially for noise and surrounding environment. The modular water machine is an ideal choice. The modular water machine system only entered the Chinese market in the 1980s. With its advantages of convenient expansion, free control, high efficiency and energy saving, and easy installation and maintenance, it soon occupied an important position in the central air-conditioning market. [0003] Most of the existing conventional modular water machines use 2-...

Claims

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Application Information

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IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/70F24F2110/10
Inventor 陈卫东刘华栋陆勇祥李球黎贵廖振华
Owner GUANGDONG CHIGO HEATING & VENTILATION EQUIP CO LTD
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