Control method of electric water heater and electric water heater
A technology for electric water heaters and control methods, which is applied to water heaters, fluid heaters, lighting and heating equipment, etc., and can solve problems such as waste of hot water and insufficient hot water, so as to avoid energy waste and increase the total amount of hot water , the effect of increasing the heating speed
Pending Publication Date: 2020-11-20
VATTI CORP LTD
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Problems solved by technology
[0004] The present invention aims at at least to a certain extent to solve one of the problems existing in the related art. For this reason, the present invention provides a control method of an electric water heater and an electric water heater, which can not only solve the problems caused by the small number of bathers or the lack of bathing water. The problem of wasting excess hot water after bathing caused by a small amount of time can also solve the problem of insufficient hot water when bathing continuously
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[0032] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of the technical solutions claimed in the present invention.
[0033] Such as Figure 1-2 As shown, a control method for an electric water heater, the electric water heater includes: a casing 1 and an inner container 2 arranged in the casing 1, and also includes: a bottom heating device arranged at the bottom of the inner container 2, The central heating device and the first t...
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The invention discloses a control method of an electric water heater and the electric water heater. The control method comprises the following steps that S1, the heating modes are selected and comprise the semi-container heating mode and the overall container heating mode; S2, whether the temperature increase delta T1 of a water outlet pipe port of the electric water heater is larger than or equalto the first temperature threshold value delta Ts1 or not is detected, if yes, a heating device in the middle of an inner container of the electric water heater is started, execution enters the stepS3, and if no, starting / shutdown of heating devices in the middle and at the bottom of the inner container of the electric water heater is controlled according to the selected heating modes and the temperature T and the preset temperature T1 of the inner container of the electric water heater, and the steps S1 and S2 are circulated; and S3, when the temperature T of the inner container of the electric water heater is larger than or equal to the preset temperature value T1, the heating device in the middle of the inner container of the electric water heater is stopped, only water in the upper half part of the inner container is heated in the semi-container heating mode, the heating wait time is reduced by a half under the condition that the rated power is unchanged, meanwhile, the total quantity of hot water is reduced by a half, and therefore energy waste can be avoided.
Description
technical field [0001] The invention relates to the technical field of electric water heaters, in particular to a control method of the electric water heater and the electric water heater. Background technique [0002] The electric water heaters currently on the market are mainly water storage electric water heaters, that is, the electric water heaters have a relatively large inner tank for storing hot water. When using an electric water heater, first set the required water temperature, and then start the electric heating tube for heating. When the water temperature reaches the preset water temperature, the temperature control device of the electric water heater controls to cut off the power supply of the electric heating tube and stops heating. According to the principle of hot water stratification, the electric heating tube needs to be installed at the bottom of the inner tank for heating. After the heating is completed, the entire inner tank of the electric water heater i...
Claims
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IPC IPC(8): F24H9/20F24H9/18F24H1/20
CPCF24H9/2014F24H9/1818F24H1/201
Inventor 梁添杰杨世恩邓飞忠仇明贵潘叶江
Owner VATTI CORP LTD