CN-121089267-B - Temperature-adjustable instant-opening electric water boiler

CN121089267BCN 121089267 BCN121089267 BCN 121089267BCN-121089267-B

Abstract

The invention provides a temperature-adjustable instant electric water boiler, which relates to the technical field of electric water boilers, wherein water with a volume unit larger than n volume units of water outlet is added into a water tank of the electric water boiler by opening a water inlet valve through the water outlet temperature and the water outlet quantity preset by a user; the method comprises the steps of heating inlet water of an electric water boiler, simultaneously obtaining inlet water temperature before heating, inputting inlet water temperature, outlet water temperature, water outlet amount and preset heating time into a preset machine learning model, outputting corresponding optimal heating power, and adjusting the heating power of a heating component according to the optimal power. The invention solves the problems that in the prior art, the heating power of the inlet water of the electric water boiler is difficult to be adaptively adjusted according to the requirements of users on the water yield and the water outlet temperature, so that the heating time is unstable and the requirement of instant heating cannot be met.

Inventors

ZHOU SHOUGUO
ZHOU YE
LUO XIWEN

Assignees

佛山市汉尔普电气科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250918

Claims (7)

1. The temperature-adjustable instant electric water boiler is characterized in that an electric control system is arranged in the electric water boiler and comprises a water outlet setting module, a water inlet module, a heating module and a power adjusting module, wherein the water outlet setting module, the water inlet module, the heating module and the power adjusting module are in communication connection, The water outlet setting module is used for presetting water outlet water temperature and water outlet quantity by a user; The water inlet module is used for opening a water inlet valve according to the preset water outlet amount to add water with a volume unit larger than the water outlet amount n into the water tank of the electric water boiler; The heating module comprises a main control heating unit, wherein the main control heating unit is provided with a heating assembly and is used for heating the inlet water of the electric water boiler and acquiring the inlet water temperature before heating; The power adjusting module is used for inputting the water inlet temperature, the preset water outlet temperature and water outlet quantity and the preset heating time length into a preset machine learning model, outputting corresponding optimal heating power, and adjusting the heating power of the heating component according to the optimal heating power; the preset machine learning model is configured as a random forest model, and comprises the following components: acquiring a heating work data sample of the electric water boiler in a historical period, wherein the heating work data comprises water yield, water inlet temperature, water outlet temperature, heating power and heating time; The random forest model is trained by taking the water yield, the water inlet temperature, the water outlet temperature and the heating time length as explanatory variables and the heating power as response variables.
2. The temperature-adjustable instant electric water boiler according to claim 1, wherein the electric control system further comprises a steam control module and a water purification module, wherein the steam control module is used for discharging water vapor separated from water vapor in a heating process, the water purification module comprises a reverse osmosis water purification unit and a water quality detection unit, the reverse osmosis water purification unit is used for purifying municipal tap water, and the water quality detection unit is used for detecting water quality of the purified tap water.
3. The temperature-adjustable instant electric water boiler according to claim 2, wherein the water quality detection classifies the water quality purification degree and displays the purity degree by an indicator light.
4. The temperature-adjustable instant electric water boiler of claim 2, wherein the electric control system further comprises an anti-freeze module communicatively coupled to the heating module for controlling the heating module to heat the system piping to prevent the piping from freezing.
5. The temperature-adjustable instant electric water boiler according to claim 1, wherein the heating assembly comprises at least two heating units with independent temperature control, the power adjustment module is used for starting the single heating unit or the plurality of heating units according to the preset water yield, only one heating unit is started and adjusted to the optimal heating power when the water yield is smaller than a preset first volume threshold, all heating units are started when the water yield is larger than or equal to a preset second volume threshold, and the second volume threshold is larger than the first volume threshold.
6. The temperature-adjustable instant electric water boiler according to claim 1, wherein the random forest model is provided with a self-updating unit, the self-updating unit collects a difference value between an actual water outlet temperature and a preset water outlet temperature, a difference value between an actual heating time and a preset heating time and corresponding model parameters after the electric water boiler is heated each time to form sample data, and when the sample data is accumulated to a preset number, the self-updating unit iteratively optimizes the model parameters until a prediction error of the optimal heating power is within +/-a percent.
7. The electric water heater according to claim 1, wherein when the optimal heating power exceeds a preset power threshold, the power of the power threshold is used as the heating power of the heating component, and the heating component is started in advance for heating in the water inlet process, wherein the heating power when the heating component is started in advance is determined by the following steps: calculating a power difference between the optimal heating power and a power threshold; and inputting the power difference value and the preset heating time length into a preset mapping table, and outputting heating power when the heating assembly is started in advance.

Description

Temperature-adjustable instant-opening electric water boiler Technical Field The invention relates to the technical field of electric water boilers, in particular to a temperature-adjustable instant-opening electric water boiler. Background In fast-paced modern life and office scenes, the instant electric water boiler is used as core equipment for instantly acquiring hot water, and the convenience of instant heating is already a core appeal of users. However, when the instant electric water boiler in the prior art faces to diversified water demands of users, the key short plates are exposed, and the heating time length is always in an unstable state because the heating power of the inlet water cannot be dynamically adapted and adjusted according to the water outlet quantity and the water outlet temperature set by the users. When the user needs a large amount of water output and a high water temperature of the water output, the fixed heating power is difficult to meet the heat requirement of the water body in a short time, the heating process is forced to be prolonged, the user needs to wait for a long time to obtain the hot water meeting the requirement, the user directly deviates from the design of instant heating, and when the user only needs a small amount of hot water but sets the water temperature to be high, the fixed power absorbs excessive heat due to the unit water quantity, the water temperature exceeds the target value in a short time, the water consumption experience is affected, and the energy waste is caused. Disclosure of Invention The embodiment of the invention provides a temperature-adjustable instant-opening electric water boiler, which aims to solve the problems that in the prior art, the heating power of water inlet of the electric water boiler is difficult to adaptively adjust according to the requirements of users on water yield and water outlet temperature, so that the heating duration is unstable, and the requirements of instant-opening and instant-heating cannot be met. In order to achieve the above purpose, the invention provides a temperature-adjustable instant electric water boiler, an electric control system is arranged in the electric water boiler, the electric control system comprises a water outlet setting module, a water inlet module, a heating module and a power adjusting module, the water outlet setting module, the water inlet module, the heating module and the power adjusting module are in communication connection, wherein, The water outlet setting module is used for presetting water outlet water temperature and water outlet quantity by a user; The water inlet module is used for opening a water inlet valve according to the preset water outlet amount to add water with a volume unit larger than the water outlet amount n into the water tank of the electric water boiler; The heating module comprises a main control heating unit, wherein the main control heating unit is provided with a heating assembly and is used for heating the inlet water of the electric water boiler and acquiring the inlet water temperature before heating; The power adjusting module is used for inputting the water inlet temperature, the preset water outlet temperature and water outlet quantity and the preset heating time length into a preset machine learning model, outputting corresponding optimal heating power, and adjusting the heating power of the heating component according to the optimal power, wherein the optimal heating power enables the heating component to heat the water inlet temperature in the water tank to the set water outlet temperature in the preset heating time length. The electric control system further comprises a steam control module and a water purification module, wherein the steam control module is used for discharging water vapor separated from water vapor in the heating process, the water purification module comprises a reverse osmosis water purification unit and a water quality detection unit, the reverse osmosis water purification unit is used for purifying municipal tap water, and the water quality detection unit is used for detecting the water quality of the purified tap water. Further, the water quality detection is used for classifying the water quality purification degree and displaying the purity degree through an indicator light. Further, the electric control system further comprises an antifreezing module which is in communication connection with the heating module and is used for controlling the heating module to heat the system pipeline so as to prevent the pipeline from freezing. Further, the preset machine learning model is configured as a random forest model, and includes: acquiring a heating work data sample of the electric water boiler in a historical period, wherein the heating work data comprises water yield, water inlet temperature, water outlet temperature, heating power and heating time; The random forest model is trained by taking the water yield, the water in