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Phase change water heater and its abnormal detection method

An anomaly detection and water heater technology, applied in heat storage heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as dry heating of heating systems, achieve the effects of preventing safety accidents, high assembly efficiency, and reducing costs

Active Publication Date: 2021-05-25
WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to provide a phase change water heater and its abnormal detection method, aiming to solve the technical problem of dry heating of the heating system when the water pump of the phase change water heater is abnormal

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  • Phase change water heater and its abnormal detection method
  • Phase change water heater and its abnormal detection method
  • Phase change water heater and its abnormal detection method

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no. 1 example

[0084] Based on the first embodiment, a second embodiment of the abnormality detection method of the present invention is proposed. In this embodiment, step S140 includes:

[0085] Step S141, determining a first temperature difference between the first water outlet temperature and the second water outlet temperature;

[0086] Step S142, determining whether the water pump is in a normal running state based on the first temperature difference.

[0087] In this embodiment, each time the water outlet temperature is obtained, the first temperature difference between the first water outlet temperature and the second water outlet temperature is calculated first, because after the heater stops running, the residual heat of the heater will make the The temperature of the water in the heater rises, and there is a moving temperature difference between the temperature of the first water outlet and the temperature of the second water outlet. Therefore, the operating state of the water pump...

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Abstract

The invention discloses a phase-change water heater, comprising: an inner tank, a heater, a water pump, a three-way valve check valve and a phase-change material for heat storage; the first end of the three-way valve is connected to the water inlet pipe The first branch port of the three-way valve communicates with the first branch port, the second end of the three-way valve communicates with the water outlet of the inner tank, and the third end of the three-way valve communicates with the water outlet pipe of the phase-change water heater; the one-way One end of the valve communicates with the second branch of the water inlet pipe, and the other end communicates with the third branch of the pipeline between the three-way valve and the water outlet of the liner. The invention also discloses an abnormal detection method. The invention can accurately determine whether the water pump is normal according to the temperature of the water outlet of the heater, thereby effectively preventing the heater from running dry when the water pump is abnormal, so as to protect the heater, prevent the phase change water heater from causing a safety accident due to the dry heating of the heater, and improve the efficiency of the water pump. user experience.

Description

technical field [0001] The invention relates to the technical field of water heaters, in particular to a phase change water heater and an abnormal detection method thereof. Background technique [0002] Due to its small size and novel appearance, phase change water heaters are slowly moving towards the market. Phase change water heaters rely on the transformation of the physical state of phase change materials to store and release heat. [0003] During the heat storage process of phase change materials, the water pump must keep running continuously. If the water pump is abnormal, such as the water pump stops running, it will cause abnormal phenomena such as dry heating of the heating system. [0004] The above content is only used to assist in understanding the technical solution of the present invention, and does not mean that the above content is admitted as prior art. Contents of the invention [0005] The main purpose of the present invention is to provide a phase ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H7/04F24H9/20
CPCF24H7/04F24H9/2007
Inventor 李硕
Owner WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD
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