A control method and device for an electric kettle
By combining a gas flow meter and a weight sensor in the control method, the smart electric kettle adjusts the heating power in stages, solving the problem of temperature sensor being affected by altitude and achieving safe and reliable heating control.
Patent Information
- Application Number
- CN202411685176.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2044-11-22
AI Technical Summary
The temperature sensor of a smart electric kettle is greatly affected by altitude, which can lead to dangerous situations such as boiling water overflowing and short circuits.
A control method combining a gas flow meter and a weight sensor is adopted. By detecting the difference between steam flow and water weight, the heating power of the heating element is adjusted in stages to achieve precise temperature control and avoid the danger of temperature sensor being affected by altitude.
This technology achieves energy conservation while avoiding dangerous situations caused by altitude-related temperature sensor effects in electric kettles, ensuring the safety and accuracy of heating.
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Figure CN119655609B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of electrical technology, and in particular to a control method and device for an electric kettle. Background Technology
[0002] Currently, smart electric kettles generally use built-in or external temperature sensors to collect the internal temperature of the kettle and control the heating module's on / off state. For example, when the temperature sensor detects that the temperature has reached 100 degrees Celsius or remains stable for a long time, it indicates that the electric kettle is in boiling mode, and the heating module is turned off.
[0003] However, the above control methods are greatly affected by altitude. For example, low air pressure will slow down the temperature response time of the temperature sensor, making it time-consuming to determine whether the electric kettle is boiling, which can easily lead to dangerous situations such as boiling water overflowing or short circuits. Summary of the Invention
[0004] In view of the technical problem that the temperature sensor of an electric kettle is greatly affected by altitude, which can easily cause dangerous situations such as boiling water overflowing and short circuits during use, this invention is proposed to provide a control method and device for an electric kettle that overcomes or at least partially solves the above problems.
[0005] Based on a first aspect of the present invention, a control method for an electric kettle is provided. The electric kettle includes a gas flow meter, a weight sensor, a heating element, and a controller. The gas flow meter, the weight sensor, and the heating element are electrically connected to the controller. The method includes:
[0006] In response to a heating command, the heating element is activated, and the initial weight detected by the weight sensor is acquired;
[0007] The steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor are obtained.
[0008] Calculate the water weight difference based on the initial weight and the current weight;
[0009] The current heating stage of the electric kettle is determined based on the difference between the steam flow rate and the water weight.
[0010] The target operating power associated with the current heating stage is determined, and the heating element is controlled to operate according to the target operating power to adjust the heating rate of the water in the electric kettle.
[0011] When the target operating power is adjusted to the set boiling power, the heating component is controlled to operate at the set boiling power for a set time and then stop.
[0012] An optional aspect of the invention, wherein determining the current heating stage of the electric kettle based on the difference between the steam flow rate and the water weight, includes:
[0013] If the steam flow rate does not meet the preset flow rate condition, or if the water weight difference does not meet the preset difference condition, the current heating stage of the electric kettle is determined to be a constant heating stage.
[0014] If the steam flow rate meets the preset flow rate condition and the water weight difference meets the preset difference condition, the current heating stage of the electric kettle is determined to be the variable power heating stage.
[0015] An optional aspect of the invention, wherein determining the target operating power associated with the current heating stage includes:
[0016] The target operating power associated with the constant heating phase is determined to be the maximum operating power.
[0017] An optional embodiment of the invention, wherein the variable power heating stage includes at least a first power reduction heating stage and a second power reduction heating stage, wherein determining the current heating stage of the electric kettle as a variable power heating stage when the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition includes:
[0018] If the steam flow rate meets the preset flow rate condition and the water weight difference meets the preset difference condition, and if the steam flow rate is less than the first flow rate threshold and the water weight difference is less than the first weight threshold, then the current heating stage of the electric kettle is determined to be the first power reduction heating stage.
[0019] If the steam flow rate is within the first flow rate threshold and the second flow rate threshold, and the water weight difference is within the first weight threshold and the second weight threshold, the current heating stage of the electric kettle is determined to be the second power reduction heating stage.
[0020] An optional aspect of the invention, wherein determining the target operating power associated with the current heating stage includes:
[0021] The target operating power associated with the first power reduction heating stage is determined as the first operating power;
[0022] The target operating power associated with the second power reduction heating stage is determined as the second operating power, wherein the maximum operating power is greater than the first operating power, and the first operating power is greater than the second operating power.
[0023] In an optional embodiment, the method further includes a first step of determining the first operating power, the first step comprising:
[0024] Based on the initial weight, the total amount of water in the electric kettle is determined;
[0025] The target steam flow rate associated with the boiling point of the water is matched according to the total water volume.
[0026] The first operating power is determined based on the target steam flow rate, the steam flow rate, and the first weighting coefficient.
[0027] In an optional embodiment, the method further includes a first step of determining the first operating power, the first step comprising:
[0028] Based on the initial weight, the total amount of water in the electric kettle is determined;
[0029] The target weight difference associated with the boiling point of the water is matched according to the total water volume.
[0030] The first operating power is determined based on the target weight difference, the water weight difference, and the first weighting coefficient.
[0031] An optional embodiment of the invention, wherein the variable power heating stage includes at least a first power reduction heating stage, a second power reduction heating stage, and a third power reduction heating stage, wherein determining the current heating stage of the electric kettle as a variable power heating stage when the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition includes:
[0032] If the steam flow rate meets the preset flow rate condition and the water weight difference meets the preset difference condition, and if the steam flow rate is less than the first flow rate threshold and the water weight difference is less than the first weight threshold, then the current heating stage of the electric kettle is determined to be the first power reduction heating stage.
[0033] If the steam flow rate is within the first flow rate threshold and the second flow rate threshold, and the water weight difference is within the first weight threshold and the second weight threshold, the current heating stage of the electric kettle is determined to be the second power reduction heating stage.
[0034] If the steam flow rate is within the second flow rate threshold and the third flow rate threshold, and the water weight difference is within the second weight threshold and the third weight threshold, the current heating stage of the electric kettle is determined to be the third power reduction heating stage.
[0035] An optional aspect of the invention, wherein determining the target operating power associated with the current heating stage includes:
[0036] The target operating power associated with the first power reduction heating stage is determined as the first operating power;
[0037] The target operating power associated with the second power reduction heating stage is determined as the second operating power, wherein the maximum operating power is greater than the first operating power, and the first operating power is greater than the second operating power;
[0038] The target operating power associated with the third power reduction heating stage is determined as the third operating power, wherein the maximum operating power is greater than the first operating power, the first operating power is greater than the second operating power, and the second operating power is greater than the third operating power.
[0039] Based on a second aspect of the present invention, a control device for an electric kettle is also provided. The electric kettle includes a gas flow meter, a weight sensor, a heating element, and a controller. The gas flow meter, weight sensor, and heating element are electrically connected to the controller. The device includes:
[0040] The command response module is used to activate the heating component in response to a heating command and to acquire the initial weight detected by the weight sensor.
[0041] The data acquisition module is used to acquire the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor;
[0042] The difference calculation module is used to calculate the difference in water weight based on the initial weight and the current weight;
[0043] The stage determination module is used to determine the current heating stage of the electric kettle based on the difference between the steam flow rate and the water weight.
[0044] The power determination module determines the target operating power associated with the current heating stage and controls the heating component to operate according to the target operating power, thereby adjusting the heating rate of the heating component on the water in the electric kettle.
[0045] The component control module is used to control the heating component to operate at the set boiling power for a set time and then stop when the target operating power is adjusted to the set boiling power.
[0046] Compared to existing technologies, this invention includes first activating the heating element in response to a heating command and acquiring the initial weight detected by the weight sensor. Then, it acquires the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor, and calculates the water weight difference based on the initial weight and the current weight. Next, it determines the current heating stage of the electric kettle based on the steam flow rate and the water weight difference. Finally, it determines the target operating power associated with the current heating stage. When the target operating power is adjusted to a set boiling power, the heating element is controlled to operate at the set boiling power for a set time and then stop. This allows for staged temperature control by adjusting the heating power of the heating element based on real-time changes in steam flow rate and water weight, saving energy and avoiding the dangers caused by altitude-dependent temperature sensors in electric kettles.
[0047] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, and in order to make the above and other objects, features and advantages of the present invention more apparent and understandable, specific embodiments of the present invention are described below. Attached Figure Description
[0048] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings.
[0049] In the attached diagram:
[0050] Figure 1 This is a flowchart illustrating the steps of a control method for an electric kettle provided in an embodiment of the present invention;
[0051] Figure 2 This is a block diagram of the electrical connection structure of a controller provided in an embodiment of the present invention;
[0052] Figure 3 This is a flowchart illustrating the steps of another electric kettle control method provided in an embodiment of the present invention;
[0053] Figure 4 This is a schematic diagram of the structure of a control device for an electric kettle provided in an embodiment of the present invention. Detailed Implementation
[0054] Exemplary embodiments of the invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
[0055] Currently, smart electric kettles generally use built-in or external temperature sensors to collect the internal temperature of the kettle and control the heating module's on / off state. For example, when the temperature sensor detects that the temperature has reached 100 degrees Celsius or remains stable for a long time, it indicates that the electric kettle is in boiling mode, and the heating module is turned off.
[0056] However, the above control methods are greatly affected by altitude. For example, low air pressure will slow down the temperature response time of the temperature sensor, making it time-consuming to determine whether the electric kettle is boiling, which can easily lead to dangerous situations such as boiling water overflowing or short circuits.
[0057] To address the aforementioned technical problems, this invention proposes an embodiment. This embodiment may include first activating the heating element in response to a heating command and acquiring the initial weight detected by the weight sensor. Then, it acquires the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor, and calculates the water weight difference based on the initial weight and the current weight. Next, it determines the current heating stage of the electric kettle based on the steam flow rate and the water weight difference. Finally, it determines the target operating power associated with the current heating stage. When the target operating power is adjusted to a set boiling power, the heating element is controlled to operate at the set boiling power for a set time and then stop. This allows for staged temperature control by adjusting the heating power of the heating element based on real-time changes in steam flow rate and water weight, saving energy and avoiding the dangers caused by altitude variations when using temperature sensors in electric kettles.
[0058] Reference Figure 1 This invention illustrates a control method for an electric kettle according to an embodiment of the present invention, the method comprising:
[0059] S101. In response to the heating command, the heating component is activated, and the initial weight detected by the weight sensor is obtained.
[0060] In this embodiment of the invention, reference is made to Figure 2As shown, the electric kettle includes a gas flow meter 201, a weight sensor 202, a heating element 203, and a controller 204. The gas flow meter 201, weight sensor 202, and heating element 203 are electrically connected to the controller 204. The gas flow meter 201 can be installed inside the kettle lid and is mainly used to detect the steam flow generated during the water heating process, and transmit the detected steam flow to the controller 204. The weight sensor 202 can be installed at the bottom of the inner liner of the electric kettle to detect the weight of the inner liner and the water inside, and transmit the detected weight to the controller 204.
[0061] The heating command can be triggered by pressing the heating button or by tapping the heating control on the display interface. When a user wants boiling water, they can input the heating command, and the controller responds by activating the heating element. When the heating element is activated, it operates at its maximum power to heat the water in the kettle with maximum efficiency, minimizing heating time.
[0062] Simultaneously with activating the heating element, the controller can also acquire the initial weight detected by the weight sensor. In other words, the initial weight can be understood as the cumulative weight of the inner tank and the weight of the water placed inside.
[0063] S102. Obtain the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor.
[0064] In this embodiment of the invention, during the water heating process, the controller can also periodically receive the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor. Those skilled in the art can determine the specific acquisition time interval based on actual test results; for example, the acquisition time interval can be 5 seconds, 10 seconds, or 15 seconds, etc., without further limitation here.
[0065] S103. Calculate the water weight difference based on the initial weight and the current weight.
[0066] In this embodiment of the invention, considering that water will generate steam during boiling, thus reducing the weight of the water, after the controller obtains the current weight detected by the weight sensor, the initial weight can be subtracted from the current weight to obtain the water weight difference between the current heating time and the initial heating time. If the water weight difference is zero or very small (within the allowable error range of detection), it is determined that the water is currently being heated and has not yet boiled.
[0067] S104. Determine the current heating stage of the electric kettle based on the difference between the steam flow rate and the water weight.
[0068] In this embodiment of the invention, considering the potential uncertainty in the measured values when the electric kettle is subjected to external impact, and the generation of steam after water boils, the current heating stage of the electric kettle can be determined by combining the steam flow rate. For example, considering that there is no steam flow or no water weight difference, it indicates that the water has not boiled and the temperature is low, the heating element can continue to operate at its maximum power to rapidly heat the water.
[0069] Considering the difference between steam flow rate and water weight, it is determined that the water has begun to vaporize and has a high temperature. At this point, the heating power of the heating element can be reduced, thereby achieving the dual effect of rapid boiling and energy saving.
[0070] In some implementations, when the steam flow rate does not meet a preset flow rate condition, or when the water weight difference does not meet a preset difference condition, the current heating stage of the electric kettle is determined to be a constant heating stage. The preset flow rate condition includes at least: the steam flow rate is greater than or equal to a preset flow rate threshold. The preset difference condition includes at least: the water weight difference is greater than or equal to a preset difference threshold. Those skilled in the art can determine specific preset flow rate thresholds and preset difference thresholds according to actual design requirements; for example, the preset flow rate threshold can be zero, and the preset difference threshold can be zero, etc., without further limitation here.
[0071] If the steam flow rate does not meet the preset flow rate condition, or the water weight difference does not meet the preset difference condition, it is determined that the water in the electric kettle is not boiling and the temperature is low. In this case, the heating element can continue to operate at its maximum power to rapidly heat the water. The stage during which the heating element needs to continue operating at its maximum power can be designated as a constant heating stage. That is, during the constant heating stage, the heating element always operates at its maximum power to rapidly heat the water.
[0072] In other embodiments, when the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition, it is determined that the water has begun to vaporize and has a high temperature. At this point, the heating power of the heating element can be reduced, achieving both rapid boiling and energy saving. The heating stage requiring a reduction in the heating power of the heating element is designated as a variable power heating stage.
[0073] S105. Determine the target operating power associated with the current heating stage, and control the heating component to operate according to the target operating power.
[0074] In this embodiment of the invention, when the current heating stage is a constant heating stage, the corresponding target operating power is the maximum operating power, so that the heating component can be kept running at the maximum operating power to rapidly heat the water in the electric kettle.
[0075] When the current heating stage is a variable power heating stage, its corresponding target operating power can include at least two. Each target operating power corresponding to the variable power heating stage is less than the maximum operating power. Therefore, when the water in the electric kettle is determined to be at a high temperature, the heating power of the heating element is gradually reduced. This ensures that the water boils sufficiently (manifested as a reduction in the rate of water temperature rise) while slowing down the heating rate of the water in the electric kettle. This avoids the situation where the water temperature rises too quickly and boils violently, leading to a reduction in the amount of boiling water and wasted heat, thus achieving precise temperature control and energy saving.
[0076] S106. When the target operating power is adjusted to the set boiling power, the heating component is controlled to operate at the set boiling power for a set time and then stop.
[0077] In this embodiment of the invention, the set boiling power can be a preset minimum operating power. For example, the set boiling power can be the minimum target operating power corresponding to the variable power heating stage. When the target operating power is adjusted to the set boiling power, it can be determined that the water temperature reaches its maximum (i.e., it can be understood as reaching the boiling point). The set duration is used to determine the operating time during which the water temperature in the electric kettle reaches the boiling point and the water temperature is completely stable. For example, the set duration can be between 1 and 100 seconds. Those skilled in the art can determine the specific set duration based on actual test results, and no further limitations are made here. Thus, the controller can control the heating element to operate at the set boiling power for the set duration, and then stop the heating element to determine that the water heating is finished. At this time, the water in the electric kettle has fully boiled, and the temperature inside the kettle is the same everywhere.
[0078] This invention also avoids the interference problems caused by ambient humidity and abnormal lid opening when using a gas flow meter alone to detect changes in steam flow. It also avoids the interference caused by weight changes due to abnormal impacts when using a weight sensor alone to detect changes in the kettle's weight. By adjusting the heating power of the heating element in stages based on real-time changes in steam flow and water weight, temperature control can be achieved while saving energy and avoiding the dangers caused by altitude variations when using temperature sensors in electric kettles.
[0079] Reference Figure 3 This invention illustrates another method for controlling an electric kettle according to an embodiment of the present invention, the method comprising:
[0080] S301. In response to the heating command, the heating component is activated, and the initial weight detected by the weight sensor is obtained.
[0081] In this embodiment of the invention, reference is made to Figure 2 As shown, the electric kettle includes a gas flow meter, a weight sensor, a heating element, and a controller. The gas flow meter, weight sensor, and heating element are electrically connected to the controller. The gas flow meter can be installed inside the kettle lid and is mainly used to detect the steam flow generated during the water heating process, and transmit the detected steam flow to the controller. The weight sensor can be installed at the bottom of the inner liner of the electric kettle to detect the weight of the inner liner and the water inside.
[0082] The heating command can be triggered by pressing the heating button or by tapping the heating control on the display interface. When a user wants boiling water, they can input the heating command, and the controller responds by activating the heating element. When the heating element is activated, it operates at its maximum power to heat the water in the kettle with maximum efficiency, minimizing heating time.
[0083] Simultaneously with activating the heating element, the controller can also acquire the initial weight detected by the weight sensor. In other words, the initial weight can be understood as the cumulative weight of the inner tank and the weight of the water placed inside.
[0084] S302. Obtain the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor.
[0085] In this embodiment of the invention, during the water heating process, the controller can also periodically receive the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor. Those skilled in the art can determine the specific acquisition time interval based on actual test results; for example, the acquisition time interval can be 5 seconds, 10 seconds, or 15 seconds, etc., without further limitation here.
[0086] S303. Calculate the water weight difference based on the initial weight and the current weight.
[0087] In this embodiment of the invention, considering that water will generate steam during boiling, thus reducing the weight of the water, after the controller obtains the current weight detected by the weight sensor, the initial weight can be subtracted from the current weight to obtain the water weight difference between the current heating time and the initial heating time. If the water weight difference is zero or very small (within the allowable error range of detection), it is determined that the water is currently being heated and has not yet boiled.
[0088] S304. Determine whether the following two conditions are met simultaneously: the steam flow rate meets the preset flow rate condition, and the water weight difference meets the preset difference condition.
[0089] In this embodiment of the invention, considering the potential uncertainty in the measured values when the electric kettle is subjected to external impact, and the generation of steam after water boils, the current heating stage of the electric kettle can be determined by combining the steam flow rate. For example, considering that there is no steam flow or no water weight difference, it indicates that the water has not boiled and the temperature is low, the heating element can continue to operate at its maximum power to rapidly heat the water.
[0090] Considering the difference between steam flow rate and water weight, it is determined that the water has begun to vaporize and has a high temperature. At this point, the heating power of the heating element can be reduced, thereby achieving the dual effect of rapid boiling and energy saving.
[0091] In some implementations, when the steam flow rate does not meet a preset flow rate condition, or when the water weight difference does not meet a preset difference condition, the current heating stage of the electric kettle is determined to be a constant heating stage. The preset flow rate condition includes at least: the steam flow rate is greater than or equal to a preset flow rate threshold. The preset difference condition includes at least: the water weight difference is greater than or equal to a preset difference threshold. Those skilled in the art can determine specific preset flow rate thresholds and preset difference thresholds according to actual design requirements; for example, the preset flow rate threshold can be zero, and the preset difference threshold can be zero, etc., without further limitation here.
[0092] If the steam flow rate does not meet the preset flow rate condition, or the water weight difference does not meet the preset difference condition, it is determined that the water in the electric kettle is not boiling and the temperature is low. In this case, the heating element can continue to operate at its maximum power to quickly heat the water. The stage during which the heating element needs to continue operating at its maximum power can be designated as a constant heating stage. That is, during the constant heating stage, the heating element always operates at its maximum power P0 to quickly heat the water, thus allowing step S302 to be repeated, i.e., continuing to detect the steam flow rate and the current weight.
[0093] In other embodiments, when the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition, it is determined that the water has begun to vaporize and has a high temperature. At this point, the heating power of the heating element can be reduced, thereby achieving the dual effects of rapid boiling and energy saving. Therefore, the heating stage requiring a reduction in the heating power of the heating element can be designated as a variable power heating stage. This variable power heating stage can include at least two stages, for example, a first power-reduction heating stage and a second power-reduction heating stage. This avoids situations where, when the water temperature is high, continuing to use high-power heating would cause the water to boil over too quickly, resulting in wasted energy and excessive water loss.
[0094] S305. If the steam flow rate is less than the first flow rate threshold and the water weight difference is less than the first weight threshold, the current heating stage of the electric kettle is determined to be the first power reduction heating stage.
[0095] In this embodiment of the invention, the first flow rate threshold can be the flow rate threshold corresponding to the initial water volume being heated to a first temperature threshold. The first weight threshold can be the weight of water reduced by heating the initial water volume to the first temperature threshold. For example, the first temperature threshold can be 85 degrees Celsius or 90 degrees Celsius, etc. When the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition, if the steam flow rate is less than the first flow rate threshold and the water weight difference is less than the first weight threshold, it can be determined that the water has begun to vaporize and has a high temperature. In a normal altitude environment, this can characterize that the temperature of the water in the electric kettle is close to the first temperature threshold. In a high-altitude environment, it can be determined that the water temperature is high and close to the boiling point (the boiling point temperature is less than the first temperature threshold). Therefore, the current heating stage of the electric kettle can be determined as the first power reduction heating stage.
[0096] S306. If the steam flow rate is within the first flow rate threshold and the second flow rate threshold, and the water weight difference is within the first weight threshold and the second weight threshold, the current heating stage of the electric kettle is determined to be the second power reduction heating stage.
[0097] In this embodiment of the invention, the second flow rate threshold can be the flow rate threshold corresponding to the initial water volume being heated to the second temperature threshold. The second weight threshold can be the weight of water reduced by heating the initial water volume to the second temperature threshold. For example, the second temperature threshold can be 90 degrees Celsius or 95 degrees Celsius, etc. When the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition, if the steam flow rate is within the first flow rate threshold and the second flow rate threshold, and the water weight difference is within the first weight threshold and the second weight threshold, in a normal altitude environment, this can characterize that the temperature of the water in the electric kettle is close to the second temperature threshold. In a higher altitude environment, it can be determined that the water temperature is higher and further close to the boiling point (the boiling point temperature is less than the first temperature threshold). Therefore, the current heating stage of the electric kettle can be determined as the second power reduction heating stage.
[0098] In some implementations, the steam flow rate being within a first flow rate threshold and a second flow rate threshold can be understood as the steam flow rate being greater than or equal to the first flow rate threshold and less than the second flow rate threshold. This can include a lower threshold but exclude an upper threshold. Similarly, the water weight difference being within a first weight threshold and a second weight threshold can be understood as the water weight difference being greater than or equal to the first weight threshold and less than the second weight threshold.
[0099] In other embodiments, the variable power heating stage may include at least three heating stages, such as a first power reduction heating stage, a second power reduction heating stage, and a third power reduction heating stage.
[0100] Correspondingly, a third flow threshold can be set above the second flow threshold, and a third flow threshold can also be set above the second weight threshold. If the steam flow rate is within the second and third flow thresholds, and the water weight difference is within the second and third weight thresholds, the current heating stage of the electric kettle is determined to be the third power reduction heating stage. Correspondingly, the third flow threshold can be the flow threshold corresponding to the initial water volume being heated to the boiling point, and the fourth flow threshold can be the water weight reduction when the initial water volume is heated to the boiling point. For example, in a normal altitude environment, the boiling point of water is 100 degrees Celsius.
[0101] If the steam flow rate meets the preset flow rate condition and the water weight difference meets the preset difference condition, and if the steam flow rate is within the second flow rate threshold and the third flow rate threshold, and the water weight difference is within the second weight threshold and the third weight threshold, then it can be determined that the current water temperature is close to the boiling point, and the heating power can be further reduced to achieve precise temperature control on the basis of energy saving.
[0102] S307. Determine the target operating power associated with the current heating stage, and control the heating component to operate according to the target operating power.
[0103] In this embodiment of the invention, a mapping relationship between different heating stages and operating power can be pre-established. Based on this mapping relationship and the current heating stage, the corresponding operating power can be matched and used as the target operating power. For example, the operating power associated with the first power reduction heating stage is the first operating power P1, and the operating power associated with the second power reduction heating stage is the second power P2.
[0104] In some embodiments, the method further includes a first step of determining the first operating power, the first step comprising first determining the total amount of water in the electric kettle based on the initial weight; then matching the total amount of water to a target steam flow rate associated with the water reaching its boiling point; and finally determining the first operating power based on the target steam flow rate, the steam flow rate, and a first weighting coefficient.
[0105] In this embodiment of the invention, the total amount of water in the electric kettle can be obtained by subtracting the weight of the inner tank before water was added from the initial weight detected by the weight sensor. Considering that the amount of water added by the user varies during use, the corresponding steam flow rate at the start of boiling will also differ. Therefore, in a normal environment, the steam flow rate at the boiling point for different amounts of water can be pre-tested, and a flow rate correlation between water volume and steam flow rate can be established, as shown in Table 1 below:
[0106] Table 1. Traffic Relationship Table
[0107]
[0108] Therefore, after determining the total amount of water in the electric kettle, based on the flow rate correlation in the table above, the steam flow rate associated with the water reaching the boiling point based on the current total amount of water is matched and used as the target steam flow rate.
[0109] During the water heating process, the first operating power of the electric kettle in the first power reduction stage can be determined by the difference between the current steam flow rate and the target steam flow rate. For example, the target steam flow rate is the maximum steam flow rate during the heating process, so the current steam flow rate can be subtracted from the target steam flow rate to obtain the steam flow rate difference. This steam flow rate difference is a value greater than 1. The first weighting coefficient K1 can be a constant value less than 0.5 and greater than 0. Therefore, the K1 power of the steam flow rate difference is a flow rate weighting value greater than 1. Thus, the operating power corresponding to the current heating stage can be obtained by dividing the operating power corresponding to the previous heating stage by the flow rate weighting value. For example, the first operating power P1 can be the integer value obtained by dividing the maximum operating power P0 by the flow rate weighting value.
[0110] In other embodiments, the method further includes a first step of determining the first operating power, the first step comprising first determining the total amount of water in the electric kettle based on the initial weight; then matching the total amount of water with a target weight difference associated with the water reaching its boiling point; and finally determining the first operating power based on the target weight difference, the water weight difference, and a first weighting coefficient.
[0111] In this embodiment of the invention, considering that the amount of water added by the user during use will vary, resulting in different water weight differences at the start of boiling, the water weight differences at the boiling point with different amounts of water can be pre-tested in a normal environment, and a weight correlation relationship between water volume and water weight difference can be established, as shown in Table 2 below:
[0112] Table 2 Weight Relationship Table
[0113]
[0114] Therefore, after determining the total amount of water in the electric kettle, based on the weight correlation in Table 2 above, the weight difference of the water when the water reaches the boiling point is matched on the basis of the current total amount of water, and used as the target weight flow rate.
[0115] During the water heating process, the first operating power of the electric kettle in the first power reduction stage can be determined by the weight difference between the current water weight difference and the target weight difference. For example, the target weight difference is the maximum water weight difference during the heating process, and the current water weight difference can be subtracted from the target weight difference to obtain the weight difference. The weight difference is a value greater than 1. The first weighting coefficient K1 can be a constant value less than 0.5 and greater than 0. Therefore, the weight difference raised to the power of K1 is a weighted value greater than 1. Thus, the operating power corresponding to the current heating stage can be obtained by dividing the operating power corresponding to the previous heating stage by the weighted value. For example, the first operating power P1 can be the value obtained by dividing the maximum operating power P0 by the weighted value and rounding it down.
[0116] Following the above logic, the second operating power can be determined based on the steam flow rate difference and the second weighting coefficient K2. Alternatively, it can be determined based on the weight difference and the second weighting coefficient K2. The second weighting coefficient K2 can be a constant value that is less than the first weighting coefficient K1 and greater than 0. Therefore, the operating power corresponding to the current heating stage can be obtained by dividing the operating power corresponding to the previous heating stage by the weight weighting value. The second operating power P2 can be the integer value of the first operating power P1 divided by the weight weighting value. For example, the operating power corresponding to the current heating stage can be obtained by dividing the operating power corresponding to the previous heating stage by the flow rate weighting value. The second operating power P2 can be the integer value of the first operating power P1 divided by the flow rate weighting value.
[0117] In other embodiments, when the variable power heating stage includes a third operating power, the third operating power can be determined based on the steam flow rate difference and a third weighting coefficient K3. Alternatively, it can be determined based on the weight difference and a third weighting coefficient K3. The third weighting coefficient K3 can be a constant value that is less than the second weighting coefficient K2 and greater than 0. Therefore, the operating power corresponding to the current heating stage can be obtained by dividing the operating power corresponding to the previous heating stage by the weight weighting value. The third operating power P3 can be the integer value of the second operating power P2 divided by the weight weighting value. For example, the operating power corresponding to the current heating stage can be obtained by dividing the operating power corresponding to the previous heating stage by the flow rate weighting value. The third operating power P3 can be the integer value of the second operating power P2 divided by the flow rate weighting value.
[0118] S308. When the target operating power is adjusted to the set boiling power, the heating component is controlled to operate at the set boiling power for a set time and then stop.
[0119] In this embodiment of the invention, the set boiling power can be a preset minimum operating power. This ensures that the water temperature remains constant after boiling, while maintaining energy efficiency; it can also be understood as ensuring the water temperature in the electric kettle is uniform throughout. When the target operating power drops to the set boiling power, it can be determined that the current water temperature has reached the boiling point. After the heating element operates at the set boiling power for a set duration, its operation is stopped, thus ending the heating of the water. The set duration is used to determine the operating time during which the water temperature in the electric kettle reaches the boiling point and remains completely stable. The set duration can be a time interval between 1 second and 100 seconds. For example, the set duration can be 5 seconds, 10 seconds, 50 seconds, and 80 seconds, etc., without further limitation.
[0120] This invention also avoids the interference problems caused by ambient humidity and abnormal lid opening when using a gas flow meter alone to detect changes in steam flow. It also avoids the interference caused by weight changes due to abnormal impacts when using a weight sensor alone to detect changes in the kettle's weight. By adjusting the heating power of the heating element in stages based on real-time changes in steam flow and water weight, temperature control can be achieved while saving energy and avoiding the dangers caused by altitude variations when using temperature sensors in electric kettles. Furthermore, this invention also solves the problem of precise temperature control in traditional ceramic and cast iron kettles where temperature sensors cannot be installed.
[0121] This invention discloses a control method for an electric kettle. The method includes first activating the heating element in response to a heating command and acquiring the initial weight detected by a weight sensor. Then, it acquires the steam flow rate detected by a gas flow meter and the current weight detected by the weight sensor, and calculates the water weight difference based on the initial and current weights. Next, it determines the current heating stage of the electric kettle based on the steam flow rate and the water weight difference. Finally, it determines the target operating power associated with the current heating stage. When the target operating power is adjusted to a set boiling power, the heating element is controlled to operate at the set boiling power for a set time and then stop. This allows for staged temperature control by adjusting the heating power of the heating element based on real-time changes in steam flow rate and water weight, saving energy and avoiding the danger caused by altitude-related factors affecting the temperature sensor used in the electric kettle.
[0122] It should be noted that, for the sake of simplicity, the method embodiments are all described as a series of actions. However, those skilled in the art should understand that the embodiments of this application are not limited to the described order of actions, because according to the embodiments of this application, some steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions involved are not necessarily required by the embodiments of this application.
[0123] Reference Figure 4 This illustration shows a control device for an electric kettle provided by an embodiment of the present invention. The control device may include:
[0124] The instruction response module 401 is used to activate the heating component in response to a heating instruction and to acquire the initial weight detected by the weight sensor.
[0125] The data acquisition module 402 is used to acquire the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor.
[0126] The difference calculation module 403 is used to calculate the water weight difference based on the initial weight and the current weight.
[0127] The stage determination module 404 is used to determine the current heating stage of the electric kettle based on the difference between the steam flow rate and the water weight.
[0128] The power determination module 405 determines the target operating power associated with the current heating stage and controls the heating component to operate according to the target operating power, so as to adjust the heating rate of the heating component on the water in the electric kettle.
[0129] The component control module 406 is used to control the heating component to run at the set boiling power for a set time and then stop when the target operating power is adjusted to the set boiling power.
[0130] In one optional embodiment of the invention, the stage determination module 404 may include:
[0131] The constant heating determination submodule is used to determine that the current heating stage of the electric kettle is a constant heating stage when the steam flow rate does not meet the preset flow rate condition or when the water weight difference does not meet the preset difference condition.
[0132] The variable power heating determination submodule is used to determine that the current heating stage of the electric kettle is the variable power heating stage when the steam flow rate meets the preset flow rate condition and the water weight difference meets the preset difference condition.
[0133] In one optional embodiment of the invention, the power determination module 405 is further configured to determine the target operating power associated with the constant heating phase as the maximum operating power.
[0134] In one optional embodiment of the invention, the variable power heating stage includes at least a first power reduction heating stage and a second power reduction heating stage, and the variable power heating determination submodule may include:
[0135] The first heating unit is configured to determine that the current heating stage of the electric kettle is a first power reduction heating stage when the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition, and the steam flow rate is less than a first flow rate threshold and the water weight difference is less than a first weight threshold.
[0136] The second heating unit is used to determine that the current heating stage of the electric kettle is the second power reduction heating stage if the steam flow rate is within the first flow rate threshold and the second flow rate threshold, and the water weight difference is within the first weight threshold and the second weight threshold.
[0137] In an optional embodiment of the invention, the power determination module 405 is further configured to:
[0138] The target operating power associated with the first power reduction heating stage is determined as the first operating power;
[0139] The target operating power associated with the second power reduction heating stage is determined as the second operating power, wherein the maximum operating power is greater than the first operating power, and the first operating power is greater than the second operating power.
[0140] In an optional embodiment of the invention, the apparatus may further include a first module for determining the first operating power, the first module being configured to:
[0141] Based on the initial weight, the total amount of water in the electric kettle is determined, and the target steam flow rate associated with the boiling point of the water is matched according to the total amount of water. Based on the target steam flow rate, the steam flow rate, and the first weighting coefficient, the first operating power is determined.
[0142] In an optional embodiment of the invention, the apparatus further includes a first module for determining the first operating power, the first module being configured to:
[0143] Based on the initial weight, the total amount of water in the electric kettle is determined, and a target weight difference associated with the water reaching its boiling point is calculated according to this total water volume. The first operating power is then determined based on the target weight difference, the water weight difference, and a first weighting coefficient.
[0144] In one optional embodiment of the invention, the variable power heating stage includes at least a first power reduction heating stage, a second power reduction heating stage, and a third power reduction heating stage, and the variable power heating determination submodule may include:
[0145] The first heating unit is configured to determine that the current heating stage of the electric kettle is a first power reduction heating stage when the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition, and the steam flow rate is less than a first flow rate threshold and the water weight difference is less than a first weight threshold.
[0146] The second heating unit is used to determine that the current heating stage of the electric kettle is the second power reduction heating stage if the steam flow rate is within the first flow rate threshold and the second flow rate threshold, and the water weight difference is within the first weight threshold and the second weight threshold.
[0147] The third heating unit is used to determine that the current heating stage of the electric kettle is the third power reduction heating stage if the steam flow rate is within the second flow rate threshold and the third flow rate threshold, and the water weight difference is within the second weight threshold and the third weight threshold.
[0148] In an optional embodiment of the invention, the power determination module 405 is further configured to:
[0149] The target operating power associated with the first power reduction heating stage is determined as the first operating power.
[0150] The target operating power associated with the second power reduction heating stage is determined as the second operating power, wherein the maximum operating power is greater than the first operating power, and the first operating power is greater than the second operating power.
[0151] The target operating power associated with the third power reduction heating stage is determined as the third operating power, wherein the maximum operating power is greater than the first operating power, the first operating power is greater than the second operating power, and the second operating power is greater than the third operating power.
[0152] In summary, this invention discloses a control device for an electric kettle. The control device may include, firstly, activating the heating element in response to a heating command and acquiring the initial weight detected by the weight sensor. Then, acquiring the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor, and calculating the water weight difference based on the initial weight and the current weight. Next, determining the current heating stage of the electric kettle based on the steam flow rate and the water weight difference. Finally, determining the target operating power associated with the current heating stage. When the target operating power is adjusted to a set boiling power, controlling the heating element to operate at the set boiling power for a set time and then stopping. Thus, temperature control can be achieved by adjusting the heating power of the heating element in stages based on real-time changes in steam flow rate and water weight, saving energy and avoiding the danger caused by altitude-related factors affecting the temperature sensor used in the electric kettle.
[0153] This invention also discloses a controller, comprising:
[0154] One or more processors;
[0155] Memory;
[0156] One or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs being configured to perform the methods described in the above embodiments.
[0157] This invention also discloses an electric kettle, which includes the controller described in the above embodiments.
[0158] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.
[0159] It will be readily apparent to those skilled in the art that any combination of the above embodiments is feasible, and therefore any combination of the above embodiments is an implementation scheme of the present invention. However, due to space limitations, this specification will not describe them in detail here.
[0160] Numerous specific details are set forth in the specification provided herein. However, it will be understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.
[0161] Similarly, it should be understood that, in order to simplify the invention and aid in understanding one or more of the various inventive aspects, features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof in the above description of exemplary embodiments of the invention. However, this disclosure should not be construed as reflecting an intention that the claimed invention requires more features than expressly recited in each claim. Rather, as reflected in the claims, inventive aspects lie in fewer than all features of the single foregoing disclosed embodiment. Therefore, the claims following the detailed description are hereby expressly incorporated into that detailed description, wherein each claim itself is a separate embodiment of the invention.
[0162] Those skilled in the art will understand that modules in the device of the embodiments can be adaptively changed and placed in one or more devices different from that embodiment. Modules, units, or components in the embodiments can be combined into a single module, unit, or component, and further, they can be divided into multiple sub-modules, sub-units, or sub-components. Except where at least some of such features and / or processes or units are mutually exclusive, any combination can be used to combine all features disclosed in this specification (including the accompanying claims, abstract, and drawings) and all processes or units of any method or device so disclosed. Unless expressly stated otherwise, each feature disclosed in this specification (including the accompanying claims, abstract, and drawings) may be replaced by an alternative feature that serves the same, equivalent, or similar purpose.
[0163] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, apparatus, or computer program products. Therefore, embodiments of the present invention can take the form of entirely hardware embodiments, entirely software embodiments, or embodiments combining software and hardware aspects. Furthermore, embodiments of the present invention can take the form of computer program products implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.
[0164] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.
[0165] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing terminal device to operate in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.
[0166] These computer program instructions can also be loaded onto a computer or other programmable data processing terminal equipment, causing a series of operational steps to be performed on the computer or other programmable terminal equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable terminal equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.
[0167] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the embodiments of the present invention.
[0168] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.
[0169] The above provides a detailed description of the control method and control device for an electric kettle provided by the present invention. Specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.
Claims
1. A control method for an electric kettle, characterized in that, The electric kettle includes a gas flow meter, a weight sensor, a heating element, and a controller. The gas flow meter, weight sensor, and heating element are electrically connected to the controller. The method includes: In response to a heating command, the heating element is activated, and the initial weight detected by the weight sensor is acquired; The steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor are obtained. Calculate the water weight difference based on the initial weight and the current weight; The current heating stage of the electric kettle is determined based on the difference between the steam flow rate and the water weight. The target operating power associated with the current heating stage is determined, and the heating element is controlled to operate according to the target operating power to adjust the heating rate of the water in the electric kettle. When the target operating power is adjusted to the set boiling power, the heating element is controlled to operate at the set boiling power for a set time and then stop.
2. The control method for an electric kettle according to claim 1, characterized in that, Determining the current heating stage of the electric kettle based on the difference between the steam flow rate and the water weight includes: If the steam flow rate does not meet the preset flow rate condition, or if the water weight difference does not meet the preset difference condition, the current heating stage of the electric kettle is determined to be a constant heating stage. If the steam flow rate meets the preset flow rate condition and the water weight difference meets the preset difference condition, the current heating stage of the electric kettle is determined to be the variable power heating stage.
3. The control method for an electric kettle according to claim 2, characterized in that, Determining the target operating power associated with the current heating stage includes: The target operating power associated with the constant heating phase is determined to be the maximum operating power.
4. The control method for an electric kettle according to claim 2, characterized in that, The variable power heating stage includes at least a first power reduction heating stage and a second power reduction heating stage. Determining the current heating stage of the electric kettle as a variable power heating stage when the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition includes: If the steam flow rate meets the preset flow rate condition and the water weight difference meets the preset difference condition, and if the steam flow rate is less than the first flow rate threshold and the water weight difference is less than the first weight threshold, then the current heating stage of the electric kettle is determined to be the first power reduction heating stage. If the steam flow rate is within the first flow rate threshold and the second flow rate threshold, and the water weight difference is within the first weight threshold and the second weight threshold, the current heating stage of the electric kettle is determined to be the second power reduction heating stage.
5. The control method for an electric kettle according to claim 4, characterized in that, Determining the target operating power associated with the current heating stage includes: The target operating power associated with the first power reduction heating stage is determined as the first operating power; The target operating power associated with the second power reduction heating stage is determined as the second operating power, wherein the maximum operating power is greater than the first operating power, and the first operating power is greater than the second operating power.
6. The control method for an electric kettle according to claim 5, characterized in that, The method further includes a first step of determining the first operating power, the first step comprising: Based on the initial weight, the total amount of water in the electric kettle is determined; The target steam flow rate associated with the boiling point of the water is matched according to the total water volume. The first operating power is determined based on the target steam flow rate, the steam flow rate, and the first weighting coefficient.
7. The control method for an electric kettle according to claim 5, characterized in that, The method further includes a first step of determining the first operating power, the first step comprising: Based on the initial weight, the total amount of water in the electric kettle is determined; The target weight difference associated with the boiling point of the water is matched according to the total water volume. The first operating power is determined based on the target weight difference, the water weight difference, and the first weighting coefficient.
8. The control method for an electric kettle according to claim 2, characterized in that, The variable power heating stage includes at least a first power reduction heating stage, a second power reduction heating stage, and a third power reduction heating stage. Determining the current heating stage of the electric kettle as a variable power heating stage when the steam flow rate meets a preset flow rate condition and the water weight difference meets a preset difference condition includes: If the steam flow rate meets the preset flow rate condition and the water weight difference meets the preset difference condition, and if the steam flow rate is less than the first flow rate threshold and the water weight difference is less than the first weight threshold, then the current heating stage of the electric kettle is determined to be the first power reduction heating stage. If the steam flow rate is within the first flow rate threshold and the second flow rate threshold, and the water weight difference is within the first weight threshold and the second weight threshold, the current heating stage of the electric kettle is determined to be the second power reduction heating stage. If the steam flow rate is within the second flow rate threshold and the third flow rate threshold, and the water weight difference is within the second weight threshold and the third weight threshold, the current heating stage of the electric kettle is determined to be the third power reduction heating stage.
9. The control method for an electric kettle according to claim 8, characterized in that, Determining the target operating power associated with the current heating stage includes: The target operating power associated with the first power reduction heating stage is determined as the first operating power; The target operating power associated with the second power reduction heating stage is determined as the second operating power, wherein the maximum operating power is greater than the first operating power, and the first operating power is greater than the second operating power; The target operating power associated with the third power reduction heating stage is determined as the third operating power, wherein the maximum operating power is greater than the first operating power, the first operating power is greater than the second operating power, and the second operating power is greater than the third operating power.
10. A control device for an electric kettle, characterized in that, The electric kettle includes a gas flow meter, a weight sensor, a heating element, and a controller. The gas flow meter, weight sensor, and heating element are electrically connected to the controller. The device includes: The command response module is used to activate the heating component in response to a heating command and to acquire the initial weight detected by the weight sensor. The data acquisition module is used to acquire the steam flow rate detected by the gas flow meter and the current weight detected by the weight sensor; The difference calculation module is used to calculate the difference in water weight based on the initial weight and the current weight; The stage determination module is used to determine the current heating stage of the electric kettle based on the difference between the steam flow rate and the water weight. The power determination module determines the target operating power associated with the current heating stage and controls the heating component to operate according to the target operating power, thereby adjusting the heating rate of the heating component on the water in the electric kettle. The component control module is used to control the heating component to operate at the set boiling power for a set time and then stop when the target operating power is adjusted to the set boiling power.
Citation Information
Patent Citations
Commercial kitchen ware control method and device and electronic equipment
CN115251718A
Electric water heating appliances
WO2001047399A2