Temperature control method and device for gas water heater and gas water heater
A temperature control method and gas water heater technology, applied in the field of kitchen and bathroom appliances, can solve problems such as fluctuations in outlet water temperature, achieve good user experience, accurate water temperature, and improve user experience
Active Publication Date: 2022-07-01
WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD
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Problems solved by technology
The instant gas water heater has become an ideal choice for many families because of its small size, low price, fast heating speed, and instant use. However, its outlet water temperature is easily affected by external factors and fluctuates up and down; fluctuations, changes in inlet water temperature, and external backflow wind, etc.
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[0042] In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and technologies are set forth in order to provide a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
[0043] The specific implementations of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific implementation manners described herein are only used to illustrate and explain the embodiments of the present invention, and are not used to limit the embodiments of the pr...
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Embodiments of the present invention provide a temperature control method and device for a gas water heater, and a gas water heater; the temperature control method for a gas water heater includes: when the water heater is in a first state, determining according to a received pre-feedback signal Control the feedforward control amount of the heating equipment; when the water heater is in the second state, transmit the pre-feedback signal and the post-feedback signal to the expansion observer to determine the total disturbance amount; the active disturbance rejection controller receives the total disturbance amount, And perform disturbance compensation on the feedforward control quantity according to the total disturbance quantity; wherein, the pre-feedback signal includes at least one of the target outlet water temperature, inlet water flow, and inlet water temperature; the post-feedback signal includes outlet water temperature; During the adjustment process, or due to the change of the city water, the gas water heater causes the water to be hot and cold, thus giving the user a better experience.
Description
technical field [0001] The invention relates to the technical field of kitchen and toilet appliances, in particular to a temperature control method and device for a gas water heater and a gas water heater. Background technique [0002] With the progress of society, people's living standards are getting higher and higher, and the requirements for bathing experience are also gradually increasing. Instantaneous gas water heaters have become an ideal choice for many families due to their small size, low price, fast heating speed, and ready-to-use, etc.; however, the outlet water temperature is easily affected by external factors and fluctuates; Fluctuations, changes in inlet water temperature and external backflow wind, etc. [0003] In order to solve the interference caused by changes in the external environment, it is necessary to adjust the combustion power appropriately according to the external conditions to achieve the best bathing experience. SUMMARY OF THE INVENTION ...
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IPC IPC(8): F24H9/20F24H15/305F24H9/1836
CPCF24H9/2035F24H9/1836
Inventor 杨彬魏中科袁伟龙
Owner WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD