Control method and control device of hot water device

Abstract

The invention discloses a control method and control device of a hot water device. The control method of the hot water device comprises the following steps that water flow state parameters in a waterpath are acquired; and when the same characteristic change occurs to the water flow state parameters twice or more within first preset time, the hot water device is controlled to execute the preset behavior. The characteristic comprises at least one of an ascending characteristic, a descending characteristic, a peak characteristic and a wave trough characteristic. According to the control method and control device of the hot water device, the flexibility of starting the preheating circulation by a user can be improved, the operation by the user is facilitated, and the water use experience of the user is improved.

Description

technical field [0001] The invention relates to the technical field of hot water equipment, in particular to a control method and a control device for a hot water device. Background technique [0002] When using existing water heaters, users have to put cold water in for a period of time before using hot water. Especially in winter when the temperature is low, not only does the tap water flow away in vain, but also delays a lot of time, which greatly affects the user experience. This is a common use problem in the water heater industry. In order to solve this problem, in the prior art, a return pipe is mainly used between the inlet and outlet pipes of the water heater, or the cold water supply pipe is used as the return pipe to establish between the water point and the water heater. The circulation pipeline, in the non-water state, sends low-temperature water to the water heater through the preheating circulation pipeline for heating until the water temperature in the circul...

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Problems solved by technology

[0003] At present, the control method of starting the preheating cycle of the water heater needs to frequently start the gas water heater for heating, which consumes a lot of energy, and also increases the burden on the use of the gas water heater. button) to start the preheating cycle, but there is generally a long distance between the water point and the water heater. When starting the preheating cycle control, the user needs to go to the installation position of the water heater and press the one-key cycle button to start the preheating cycle control , this control method requires the user to travel between the user point and the installation location of the water heater, which is not very convenient; in addition, it is also possible to control the preheating cycle by setting a control panel between the water point and the water heater, but a special control panel is required , lines, the additional cost is high, in addition, in the user's home that has been renovated, how to arrange and install the cables is also a problem that plagues the user's installation

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