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Method and device for detecting fouling of water heater and its casing

A detection method and water heater technology, which can be applied to fluid heaters, lighting and heating equipment, etc., can solve the problems of low degree of intelligence of casing scaling.

Active Publication Date: 2018-02-27
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] Embodiments of the present invention provide a water heater and its casing fouling detection method and device to at least solve the technical problem of low intelligence in judging casing fouling in the prior art

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  • Method and device for detecting fouling of water heater and its casing
  • Method and device for detecting fouling of water heater and its casing

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Embodiment Construction

[0022] 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 making creative efforts shall fall within the protection scope of the present invention.

[0023] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a method and a device for detecting fouling of a water heater and casing thereof. Wherein, the method includes: obtaining the initial water flow rate of the water heater; calculating the theoretical average temperature difference of the bushing within the first preset time period according to the initial water flow rate, wherein the theoretical average temperature difference is the theoretical progress of the water heater within the first preset time period The average value of the difference between the water temperature and the theoretical outlet water temperature; determine the scaling amount of the casing according to the theoretical average temperature difference and the actual average temperature difference of the casing, wherein the actual average temperature difference is the first time of the water heater in the first preset time period The average value of the difference between the actual inlet water temperature and the first actual outlet water temperature. The invention solves the technical problem of low intelligence in judging casing fouling amount in the prior art.

Description

technical field [0001] The invention relates to the field of water heater control, in particular to a method and a device for detecting fouling of a water heater and casing thereof. Background technique [0002] The design service life of heat pump water heaters is generally ten years, but the heat exchanger parts of the water heater, that is, the casing heat exchanger, will produce scale within half a year or two to three months, so the casing must be cleaned in time. Ensure the normal use of the casing. [0003] At present, the method of judging whether the scaling of the casing is serious is mainly to remove a certain part of the pipeline in the casing, and check whether there is scale inside the pipeline. In this method, in the process of judging whether the casing is fouled, the pipeline needs to be removed, which is cumbersome. In addition, most of the external pipelines are PPR pipes. The inner wall of the PPR pipe is smooth, while the inside of the casing is a thre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/20
Inventor 邱云喜
Owner GREE ELECTRIC APPLIANCES INC
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