Cluster controlled heat pump hot water system

A heat pump hot water, cluster control technology, applied to fluid heaters, lighting and heating equipment, etc., can solve the problems of the failure of the module machine cannot be effectively fed back to the control cabinet, the effective water supply cannot be guaranteed, and the equipment operation reliability is poor.

Inactive Publication Date: 2012-05-16
QINGDAO SANLI ZHONGDEMEI WATER EQUIP
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Problems solved by technology

[0002] At present, the conventional large-scale heat pump hot water system is mostly in the form of multi-unit parallel connection. In terms of control, an independent control cabinet is usually set up, and then through the one-way communication mode, the output of the switching value is used to control the start and stop of the corresponding module unit to achieve the purpose of control. However, the disadvantages of such control are also very obvious, because the control signal is transmitted in one direction, and the failure of the module machine cannot be effectively fed back to the control cabinet, which makes the operation reliability of the equipment poor and the effective water supply cannot be guaranteed.

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[0007] The working conditions of this system are described below with the situation of 6 module machines. figure 1 Among them, the main control cabinet (1) and module machine A (21), module machine B (22), module machine C (23), module machine D (24), module machine E (25), and module machine F (26) A star topology structure for two-way communication, module machine A (21), module machine B (22), module machine C (23), module machine D (24), module machine E (25), module machine F (26) Form a ring topology in turn.

[0008] When working, the main control cabinet (1) sends a start signal to the module machine A (21) with the shortest running time. After the module machine A (21) starts, it sends its own running status to the main control cabinet ( 1) and other modular machines, when the modular machine A (21) breaks down and cannot operate normally, the main control cabinet (1) will search and start the modular machine B (22) with the shortest total running time among the rema...

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Abstract

The invention discloses a heat pump hot water system for ensuring continuous water supply by using a cluster control technology, aiming at solving the problem in the traditional heat pump control system. Each module machine and a main control cabinet can be communicated bidirectionally and all module machines can be communicated bidirectionally, wherein the main control cabinet is used as a center node to form a star topology network with each module machine, and all module machines form an annular topology network. When one module machine abnormally operates, the main control cabinet can be immediately subjected to operation regulation; and when working conditions change, a unit can be conveniently subjected to self-adaptive regulation. When the main control cabinet is in failure, intelligent control units in all module machines are coordinated to realize system control.

Description

technical field [0001] The invention relates to a heat pump hot water system, in particular to a heat pump hot water system which uses cluster control technology to realize cooperative control of multiple module machines. Background technique [0002] At present, the conventional large-scale heat pump hot water system is mostly in the form of multi-unit parallel connection. In terms of control, an independent control cabinet is usually set up, and then through the one-way communication mode, the output of the switching value is used to control the start and stop of the corresponding module unit to achieve the purpose of control. However, the disadvantages of such control are also very obvious, because the control signal is transmitted in one direction, and the failure of the module machine cannot be effectively fed back to the control cabinet, which makes the operation reliability of the equipment poor and the effective water supply cannot be guaranteed. Contents of the inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H9/20
Inventor 张明亮王学成耿仁兵
Owner QINGDAO SANLI ZHONGDEMEI WATER EQUIP
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