A kind of intelligent backwater control method, controller and control system

Abstract

The invention provides an intelligent water return control method, a controller and a control system. The method comprises the following steps that the preset water utilization time period and the preset water return mode corresponding to the preset water utilization time period are obtained; within the preset water utilization time period, running of a circulation water pump connected with a water heater is controlled according to the preset water return mode corresponding to the preset water utilization time period; and at the ending time of the preset water utilization time period, the preset water return mode is quitted. By means of the intelligent water return control method, the controller and the control system, the hot water using convenience is greatly improved, and meanwhile waste of water resources can be reduced; meanwhile, unnecessary pipe net circulation is reduced, and accordingly, waste of hot water heat is reduced; and meanwhile, the starting frequency of the water heater due to pipe net circulation is reduced, and cost generated for hot water is reduced for users.

Description

technical field [0001] The invention relates to the technical field of water heater backwater control, in particular to an intelligent backwater control method, controller and control system. Background technique [0002] For domestic water heaters, the hot water pipe network installed and used in general households is relatively long. If the pipe network circulation is not carried out, the hot water can only be produced after the cold water in the entire hot water pipe network has been drained when the water is first started. This not only affects the comfort in use, but also wastes water resources. [0003] At present, the backwater control methods of the water return generally include the following types: 1. Manual water return: before the user uses water, the pipe network cycle is realized through the manual button; 2. Water flow detection backwater: when the water flow switch detects that the user has hot water , to automatically start the pipe network cycle; 3. Fixed...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the defects of the prior art, the present invention provides an intelligent water return control method, a controller and a control system, which can solve the inconvenient operation of the manual water return mode in the prior art, and the delay and fixed period caused by the water flow detection return water mode The heat loss problem of the return water method and the long-term return water method

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