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A method for controlling an electric water heater and the water heater

A control method and water heater technology, applied in the field of water heaters and electric water heaters, can solve problems such as reducing heating temperature, and achieve the effects of reducing heat dissipation, ensuring hot water surplus, and saving energy

Active Publication Date: 2021-06-29
GUILIN UNIV OF AEROSPACE TECH
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a control method for an electric water heater and a water heater, which can automatically adjust the heating temperature by counting the normal hot water consumption of the user, so as to meet the water consumption demand of the user and have a certain amount of surplus. Possibility to reduce heating temperature to reduce heat dissipation from excess hot water not used up, thus saving electricity

Method used

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  • A method for controlling an electric water heater and the water heater
  • A method for controlling an electric water heater and the water heater

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Embodiment Construction

[0033] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0034] The control method of the water heater according to the present invention, the water heater calculates the temperature to which the water in the inner tank of the water heater needs to be heated according to the current temperature of the cold water in the cold water pipe, the amount of hot water used for bathing by the user and the temperature of the hot water in the past. Usually, the user only knows the temperature of the hot water for bathing, and the temperature value changes little over a long period of time. The user can obtain the required inner tank water temperature through rough calculations. However, due to seasonal changes, hot water of the same temperature will The amount of hot water in the user...

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Abstract

The invention relates to a control method of an electric water heater and the water heater. The water heater records the value of the hot water flow sensor, the temperature value of the hot water tank and the temperature value of the cold water inlet for the latest bathing, and calculates the heating value according to the current cold water temperature value and the set hot water surplus. Target temperature value, and control the water in the inner tank to reach this temperature value, so as to meet the user's water consumption demand and have a certain amount of surplus, reduce the heating target temperature as much as possible to reduce the heat dissipation of excess hot water, thereby saving electric energy .

Description

technical field [0001] The invention relates to the field of electric water heaters, in particular to a control method and a water heater for saving electric power by predicting the amount of hot water used by users and then controlling the heating target temperature. Background technique [0002] The electric water heater is a common household appliance. Due to the limitation of the heating power of the water heater, it is generally impossible to supply hot water in real time. Instead, a water storage tank is required to pre-heat the water for use. In order to ensure that the heated hot water is sufficient, it is often Heating the water in the entire water tank to the highest temperature will cause a lot of waste. The excess hot water will be dissipated through heat radiation and heat exchange with cold water, resulting in a huge waste of electricity. [0003] The patent application number 201510594034.2 discloses an electric water heater and a control method that requires ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/20
CPCF24H9/2021
Inventor 经本钦陈少航王鹏举
Owner GUILIN UNIV OF AEROSPACE TECH
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