A control method for water accumulation in a steam oven and a steam oven

By obtaining the current steam power of the steam generator and the pre-stored control algorithm in the steam oven, the target heating power of the bottom heating tube is determined, solving the problem of water accumulation caused by steam condensation, achieving dynamic balance of water accumulation at the bottom of the cavity, and improving user experience and cleaning convenience.

CN116602540BActive Publication Date: 2025-12-16VATTI CORP LTD
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Patent Information

Application Number
CN202310706678.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-14
Publication Date
2025-12-16
Estimated Expiration
2043-06-14

AI Technical Summary

Technical Problem

In the steam cooking mode of a steam oven, steam condenses into water droplets that flow into the bottom of the cavity, causing water accumulation, which affects the user experience and makes cleaning more difficult.

Method used

By acquiring the current steam power of the steam generator and the pre-stored steam oven water accumulation control algorithm, the target heating power of the bottom heating tube is determined, and the power combination of the steam generator and the bottom heating tube is controlled to keep the water accumulation at the bottom of the cavity within a preset range, thus achieving dynamic balance.

Benefits of technology

Effectively control the amount of water accumulated at the bottom of the steam oven cavity, preventing too much or too little water, ensuring easy cleaning and avoiding any impact on the taste of the food.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a control method for steam oven water accumulation, and relates to the technical field of steam ovens. The method comprises the following steps: acquiring current steam power of a steam generator. Based on the current steam power and a pre-stored steam oven water accumulation control algorithm, target heating power of a bottom heating pipe is determined. The steam oven water accumulation control algorithm is determined based on the steam power of the steam generator and the heating power of the bottom heating pipe when the water accumulation amount generated at the bottom of a steam oven cavity is within a preset water accumulation amount threshold range. In the process of running of the steam generator according to the current steam power, the bottom heating pipe is controlled to heat the food material to be cooked according to the target heating power. The application can maintain the water accumulation amount generated at the bottom of the steam oven cavity within the preset water accumulation amount threshold range.
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Description

Technical Field

[0001] This application relates to the field of steam oven technology, and in particular to a method for controlling water accumulation in a steam oven and a steam oven itself. Background Technology

[0002] Currently, steam ovens, as products that provide both steam and baking functions, have greatly enriched consumers' cooking needs and are widely recognized. In the steam cooking mode of a steam oven, the steam generator heats the food according to the preset steam power.

[0003] However, when steam enters the cavity, it encounters areas below 100°C such as the oven wall or food, causing steam to condense and release heat to form water droplets. These droplets then converge and flow into the bottom of the oven cavity, resulting in water accumulation at the bottom.

[0004] Therefore, there is an urgent need for a method to control water accumulation in steam ovens. Summary of the Invention

[0005] Therefore, it is necessary to provide a method for controlling water accumulation in a steam oven and a steam oven in response to the above-mentioned technical problems.

[0006] Firstly, a method for controlling water accumulation in a steam oven is provided, the method comprising:

[0007] Obtain the current steam power of the steam generator;

[0008] Based on the current steam power and the pre-stored control algorithm for water accumulation in the steam oven, the target heating power of the bottom heating tube is determined. The control algorithm for water accumulation in the steam oven is determined based on the relationship between the steam power of the steam generator and the heating power of the bottom heating tube when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range.

[0009] While the steam generator is operating at the current steam power, the bottom heating element is controlled to heat the food to be cooked at the target heating power.

[0010] As an optional implementation, the steam generator is provided with multiple steam powers, the bottom heating tube is provided with multiple heating powers, and the method further includes:

[0011] During the process of the steam generator operating according to each steam power and the bottom heating tube heating according to each heating power, the amount of water accumulated at the bottom of the steam oven cavity is obtained;

[0012] If the amount of water accumulated at the bottom of the steam oven cavity is within the preset water accumulation threshold range, then the corresponding steam power and heating power will be determined as the target power combination.

[0013] Based on the fitting process of each target power combination, expressions for steam power and heating power are obtained, and these expressions are determined as the control algorithm for water accumulation in the steam oven.

[0014] As an optional implementation, the preset water accumulation threshold range is 50g-150g or 20g-100g.

[0015] As an alternative implementation, the steam generator has multiple steam powers including 300W, 600W, 900W and 1200W, and the bottom heating tube has multiple heating powers including 100W, 150W, 200W, 250W, 300W, 350W, 400W and 500W.

[0016] As an optional implementation, the expression for the water accumulation control algorithm in the steam oven is:

[0017] y = aln(x) + b;

[0018] Where x is the current steam power of the steam generator, y is the target heating power of the bottom heating tube when the amount of water generated at the bottom of the steam oven cavity is within the preset water accumulation threshold range, a is the first fitting parameter, and b is the second fitting parameter.

[0019] Secondly, a steam oven is provided, comprising a steam generator, a bottom heating element, and a main control device; wherein...

[0020] The main control device is used to obtain the current steam power of the steam generator;

[0021] The main control device is also used to determine the target heating power of the bottom heating tube based on the current steam power and the pre-stored control algorithm for water accumulation in the steam oven. The control algorithm for water accumulation in the steam oven is determined based on the relationship between the steam power of the steam generator and the heating power of the bottom heating tube when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range.

[0022] The main control device is also used to control the bottom heating tube to heat the food to be cooked according to the target heating power while the steam generator is operating according to the current steam power.

[0023] As an optional implementation, the steam oven further includes a water level detection device, the steam generator is equipped with multiple steam powers, and the bottom heating element is equipped with multiple heating powers; wherein,

[0024] The main control device is also used to obtain the amount of water accumulated at the bottom of the steam oven cavity through the water detection device during the process of the steam generator operating according to each steam power and the bottom heating tube heating according to each heating power.

[0025] The main control device is also used to determine the corresponding steam power and heating power as the target power combination if the amount of water accumulated at the bottom of the steam oven cavity is within the preset water accumulation threshold range.

[0026] The main control device is also used to perform fitting processing based on each of the target power combinations to obtain expressions for steam power and heating power, and to determine the expressions as the control algorithm for water accumulation in the steam oven.

[0027] This application provides a method for controlling water accumulation in a steam oven and a steam oven in general. The technical solution provided by the embodiments of this application brings at least the following beneficial effects: It obtains the current steam power of the steam generator. Based on the current steam power and a pre-stored control algorithm for water accumulation in the steam oven, it determines the target heating power of the bottom heating element. The control algorithm for water accumulation in the steam oven is determined based on the steam power of the steam generator and the heating power of the bottom heating element when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range. During the operation of the steam generator according to the current steam power, the bottom heating element is controlled to heat the food to be cooked according to the target heating power. Because the steam generated by the steam generator enters the cavity and encounters areas below 100°C such as the cavity wall or food, the steam condenses and releases heat to form water droplets, which then converge and flow into the low center area at the bottom of the steam oven cavity, thus forming water accumulation at the bottom. The current steam power of the steam generator affects the amount of water accumulated at the bottom of the steam oven cavity. To ensure that the amount of water accumulated at the bottom of the steam oven cavity remains within a preset range, this application determines the target heating power of the bottom heating element based on a pre-stored water accumulation control algorithm. The bottom heating element is then controlled to heat according to the target power, causing partial evaporation of the water accumulated at the bottom of the steam oven cavity. This achieves a dynamic balance between condensate and evaporated water, ensuring that the amount of water accumulated at the bottom of the steam oven cavity remains within a preset threshold range. In terms of cleaning, because the amount of water is small, users can clean it thoroughly with a sponge or other cleaning tools after using the steam oven. This also avoids the problem of excessive water overflowing from the door seams and damaging cabinets. Furthermore, excessive water accumulation may also prolong cooking time. If the water accumulation is too low or even zero, it indicates that the bottom heating element power is too high, resulting in excessively high cavity temperature, causing the surface of steamed food to dry out and affecting its taste. Therefore, this application provides a method to control the steam power of the steam generator and the heating power of the bottom heating element to keep the amount of water accumulated at the bottom of the cavity within a preset range.

[0028] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of a steam oven provided in an embodiment of this application;

[0031] Figure 2 A flowchart illustrating a method for controlling water accumulation in a steam oven, as provided in this application embodiment;

[0032] Figure 3 A flowchart illustrating another method for controlling water accumulation in a steam oven, as provided in an embodiment of this application. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0034] This application provides a method for controlling water accumulation in a steam oven, which can be applied to steam ovens. For example... Figure 1 As shown, the steam oven includes a steam generator 110, a bottom heating element 120, a main control unit 130, and a water level detection device 140. The water level detection device 140 is connected to the main control unit 130, and the main control unit obtains the amount of water accumulated at the bottom of the steam oven cavity through the water level detection device. The main control unit is connected to both the steam generator and the bottom heating element. The main control unit controls the steam generator to operate at a preset current steam power to generate high-temperature steam. The main control unit controls the bottom heating element to operate at a target heating power corresponding to the current steam power to partially evaporate the water accumulated at the bottom of the steam oven cavity.

[0035] The following will describe in detail a method for controlling water accumulation in a steam oven provided in this application, with reference to specific embodiments. Figure 2 A flowchart illustrating a method for controlling water accumulation in a steam oven, as provided in this application embodiment, is shown below. Figure 2 As shown, the specific steps are as follows:

[0036] Step 201: Obtain the current steam power of the steam generator.

[0037] During implementation, the main control unit of the steam oven obtains the current steam power of the steam evaporator.

[0038] Step 202: Based on the current steam power and the pre-stored control algorithm for water accumulation in the steam oven, determine the target heating power of the bottom heating tube. The control algorithm for water accumulation in the steam oven is determined based on the relationship between the steam power of the steam generator and the heating power of the bottom heating tube when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range.

[0039] In practice, technicians can pre-store a water accumulation control algorithm in the main control unit of the steam oven. This algorithm is based on the steam generator's steam power and the bottom heating element's heating power when the amount of water accumulated at the bottom of the oven cavity is within a preset threshold range. According to the algorithm, the main control unit can determine the target heating power of the bottom heating element corresponding to the current steam power.

[0040] Step 203: While the steam generator is operating at the current steam power, control the bottom heating element to heat the food to be cooked at the target heating power.

[0041] During implementation, while the steam generator is operating at the current steam power, the main control device controls the bottom heating tube to heat the food to be cooked according to the target heating power, which can ensure that the amount of water accumulated at the bottom of the steam oven cavity is within the preset water accumulation threshold range.

[0042] As an alternative implementation method, Figure 3 A flowchart of another method for controlling water accumulation in a steam oven provided in this application embodiment is shown below. Figure 3 As shown, the steam generator is equipped with multiple steam powers, and the bottom heating element is equipped with multiple heating powers. The specific steps for determining the control algorithm for water accumulation in the steam oven are as follows:

[0043] Step 301: During the process of the steam generator operating according to each steam power and the bottom heating tube heating according to each heating power, the amount of water accumulated at the bottom of the steam oven cavity is obtained.

[0044] In implementation, the steam generator has multiple steam power settings, and the bottom heating element has multiple heating power settings. For each steam power setting of the steam generator, the main control device controls the steam generator to operate at that power. Similarly, for each heating power setting of the bottom heating element, the main control device controls the bottom heating element to heat at that power, and then obtains the amount of water accumulated at the bottom of the steam oven cavity. That is, the main control device arranges and combines each steam power setting of the steam generator and each heating power setting of the bottom heating element. For example, the steam generator's steam power settings include S1, S2, S3, and S4, and the bottom heating element's heating power settings include H1, H2, H3, H4, H5, H6, H7, and H8. The main control device can first control the steam generator to operate at the S1 steam power setting for a preset time, and simultaneously control the bottom heating element to operate at the H1 heating power setting for a preset time, then obtain the amount of water accumulated at the bottom of the steam oven cavity, L. 11 Technicians can then perform cooling and cleaning of the steam oven. The main control unit continues to control the steam generator to operate at the preset steam power (S1) for a preset duration, while simultaneously controlling the bottom heating element to operate at the preset heating power (H2) for a preset duration. The amount of water accumulated at the bottom of the steam oven cavity (L) is then measured. 12 Similarly, under the conditions of steam power S1 and heating powers H3, H4, H5, H6, H7, and H8 respectively, the amount of water L accumulated at the bottom of the steam oven cavity is calculated. 13 L 14 L 15 L 16 L 17 and L 18 Furthermore, the main control unit controls the steam generator to operate for a preset time according to the steam power of S2, and respectively completes the calculation of the amount of water L generated at the bottom of the steam oven cavity under the conditions of steam power of S2 and heating power of H1, H2, H3, H4, H5, H6, H7 and H8. 21 L 22 L 23 L 24 L 25 L 26 L 27 and L 28 Furthermore, the amount of water accumulated at the bottom of the steam oven cavity was determined under the conditions of steam power S3 and S4, and heating power H1, H2, H3, H4, H5, H6, H7, and H8, respectively. The final comparison table of steam power, heating power, and water accumulation is shown in Table 1 below:

[0045]

[0046] Step 302: If the amount of water accumulated at the bottom of the steam oven cavity is within the preset water accumulation threshold range, then the corresponding steam power and heating power are determined as the target power combination.

[0047] In implementation, technicians can pre-set a water accumulation threshold range and input it into the computer. Based on this threshold range, the computer can filter out water volumes within the range determined in step 301 and determine the corresponding steam power and heating power as the target power combination. Taking Table 1 as an example, if the preset water accumulation threshold range is L... min -L max The computer determines the water volume that meets the threshold range as L. 16 L 17 L 18 L 27 L 28 L 38 and L 48 The computer can determine the target power combination by combining steam power and heating power (S1, H6), (S1, H7), (S1, H8), (S2, H7), (S2, H8), (S3, H8), and (S4, H8).

[0048] Step 303: Based on the combination of each target power, a fitting process is performed to obtain the expressions for steam power and heating power, and the expressions are determined as the control algorithm for water accumulation in the steam oven.

[0049] In practice, the computer can perform fitting processing based on each target power combination in the coordinate system to obtain expressions for steam power and heating power, and then determine the expression as the control algorithm for water accumulation in the steam oven.

[0050] Optionally, the expression for the water accumulation control algorithm in the steam oven is:

[0051] y = aln(x) + b;

[0052] Where x is the current steam power of the steam generator, y is the target heating power of the bottom heating tube when the amount of water generated at the bottom of the steam oven cavity is within the preset water accumulation threshold range, a is the first fitting parameter, and b is the second fitting parameter.

[0053] Optionally, the preset water accumulation threshold range is 50g-150g or 20g-100g.

[0054] Optionally, the steam generator has multiple steam powers including 300W, 600W, 900W and 1200W, and the bottom heating tube has multiple heating powers including 100W, 150W, 200W, 250W, 300W, 350W, 400W and 500W.

[0055] This application provides a method for controlling water accumulation in a steam oven. The method includes: acquiring the current steam power of a steam generator; determining the target heating power of the bottom heating element based on the current steam power and a pre-stored water accumulation control algorithm for the steam oven; the water accumulation control algorithm is determined based on the steam power of the steam generator and the heating power of the bottom heating element when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range; and controlling the bottom heating element to heat the food to be cooked according to the target heating power while the steam generator is operating at the current steam power. Because the steam generated by the steam generator enters the cavity and encounters areas below 100°C such as the cavity wall or food, the steam condenses and releases heat to form water droplets, which then converge and flow into the low center area at the bottom of the steam oven cavity, thus forming water accumulation at the bottom. The current steam power of the steam generator affects the amount of water accumulated at the bottom of the steam oven cavity. In order to ensure that the amount of water accumulated at the bottom of the steam oven cavity is within a preset range, this application determines the target heating power of the bottom heating tube according to the pre-stored steam oven water accumulation control algorithm, and controls the bottom heating tube to heat according to the target heating power, so that part of the water accumulated at the bottom of the steam oven cavity evaporates, realizing a dynamic balance between condensate and evaporated water, so that the amount of water accumulated at the bottom of the steam oven cavity is always within the preset water accumulation threshold range, which can prevent excessive water accumulation and avoid the food from drying out.

[0056] It should be understood that, although Figures 2 to 3 The steps in the flowchart are shown sequentially as indicated by the arrows, but these steps are not necessarily executed in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order in which these steps are executed, and they can be performed in other orders. Figures 2 to 3 At least some of the steps in the process may include multiple steps or multiple stages. These steps or stages are not necessarily completed at the same time, but may be executed at different times. The execution order of these steps or stages is not necessarily sequential, but may be executed in turn or alternately with other steps or at least some of the steps or stages in other steps.

[0057] It is understood that the same / similar parts between the various embodiments of the methods described above in this specification can be referred to each other. Each embodiment focuses on the differences from other embodiments, and relevant parts can be referred to the description of other method embodiments.

[0058] This application also provides a steam oven, such as... Figure 1 As shown, the steam oven includes a steam generator 110, a bottom heating element 120, and a main control unit 130; wherein,

[0059] The main control unit 130 is used to obtain the current steam power of the steam generator 110;

[0060] The main control unit 130 is also used to determine the target heating power of the bottom heating tube 120 based on the current steam power and the pre-stored control algorithm for water accumulation in the steam oven. The control algorithm for water accumulation in the steam oven is determined based on the steam power of the steam generator 110 and the heating power of the bottom heating tube 120 when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range.

[0061] The main control device 130 is also used to control the bottom heating tube 120 to heat the food to be cooked according to the target heating power while the steam generator 110 is operating according to the current steam power.

[0062] As an alternative implementation method, such as Figure 1 As shown, the steam oven also includes a water level detection device 140, a steam generator 110 with multiple steam powers, and a bottom heating element 120 with multiple heating powers; wherein,

[0063] The main control device 130 is also used to obtain the amount of water generated at the bottom of the steam oven cavity through the water detection device 140 during the process of the steam generator 110 operating according to each steam power and the bottom heating tube 120 heating according to each heating power.

[0064] The main control device 130 is also used to determine the corresponding steam power and heating power as the target power combination if the amount of water accumulated at the bottom of the steam oven cavity is within the preset water accumulation threshold range.

[0065] The main control unit 130 is also used to perform fitting processing based on each target power combination to obtain expressions for steam power and heating power, and to determine the expressions as the control algorithm for water accumulation in the steam oven.

[0066] This application provides a steam oven, which includes a steam generator 110, a bottom heating element 120, and a main control device 130. The main control device 130 is used to acquire the current steam power of the steam generator 110. It is also used to determine the target heating power of the bottom heating element 120 based on the current steam power and a pre-stored control algorithm for controlling water accumulation in the steam oven. The water accumulation control algorithm is determined based on the steam power of the steam generator 110 and the heating power of the bottom heating element 120 when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range. The main control device 130 is also used to control the bottom heating element 120 to heat the food to be cooked according to the target heating power while the steam generator 110 is operating at the current steam power. Because the steam generated by the steam generator 110 enters the cavity and encounters areas below 100°C such as the cavity wall or food, the steam condenses and releases heat to form water droplets, which then converge and flow into the low center area at the bottom of the steam oven cavity, thus forming bottom water accumulation. The current steam power of the steam generator 110 affects the amount of water accumulated at the bottom of the steam oven cavity. In order to ensure that the amount of water accumulated at the bottom of the steam oven cavity is within a preset range, this application determines the target heating power of the bottom heating tube 120 according to the pre-stored steam oven water accumulation control algorithm, and controls the bottom heating tube to heat according to the target heating power, so that part of the water accumulated at the bottom of the steam oven cavity evaporates, realizing a dynamic balance between condensate and evaporated water, so that the amount of water accumulated at the bottom of the steam oven cavity is always within the preset water accumulation threshold range, which can prevent excessive water accumulation and avoid the food from drying out.

[0067] For specific limitations regarding steam ovens, please refer to the above section on controlling water accumulation in steam ovens; these will not be repeated here. The various modules in the aforementioned steam oven can be implemented entirely or partially through software, hardware, or a combination thereof. These modules can be embedded in the processor of a computer device in hardware form or independent of it, or stored in the memory of a computer device in software form, so that the processor can call and execute the corresponding operations of each module.

[0068] Those skilled in the art will understand that all or part of the processes in the methods of the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium, and when executed, it can include the processes of the embodiments of the above methods. Any references to memory, storage, databases, or other media used in the embodiments provided in this application can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link DRAM (SLDRAM), Rambus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0069] 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 apparatus 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 apparatus. 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 apparatus that includes said element.

[0070] It should also be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for display, data used for analysis, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties.

[0071] The various embodiments in this specification are described in a related manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions of the method embodiments.

[0072] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0073] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A method for controlling water accumulation in a steam oven, characterized in that, The method includes: Obtain the current steam power of the steam generator; Based on the current steam power and the pre-stored control algorithm for water accumulation in the steam oven, the target heating power of the bottom heating tube is determined. The control algorithm for water accumulation in the steam oven is determined based on the relationship between the steam power of the steam generator and the heating power of the bottom heating tube when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range. While the steam generator is operating at the current steam power, the bottom heating element is controlled to heat the food to be cooked at the target heating power.

2. The method according to claim 1, characterized in that, The steam generator is equipped with multiple steam powers, the bottom heating tube is equipped with multiple heating powers, and the method further includes: During the process of the steam generator operating according to each steam power and the bottom heating tube heating according to each heating power, the amount of water accumulated at the bottom of the steam oven cavity is obtained; If the amount of water accumulated at the bottom of the steam oven cavity is within the preset water accumulation threshold range, then the corresponding steam power and heating power will be determined as the target power combination. Based on the combination of the target power, a fitting process is performed to obtain the expression for steam power and heating power, and the expression is determined as the control algorithm for water accumulation in the steam oven; The expression for the control algorithm for water accumulation in the steam oven is: y = aln(x) + b; Where x is the current steam power of the steam generator, y is the target heating power of the bottom heating tube when the amount of water generated at the bottom of the steam oven cavity is within the preset water accumulation threshold range, a is the first fitting parameter, and b is the second fitting parameter.

3. The method according to claim 1, characterized in that, The preset water accumulation threshold range is 50g-150g or 20g-100g.

4. The method according to claim 2, characterized in that, The steam generator has multiple steam powers including 300W, 600W, 900W and 1200W, and the bottom heating tube has multiple heating powers including 100W, 150W, 200W, 250W, 300W, 350W, 400W and 500W.

5. A steam oven, characterized in that, The steam oven includes a steam generator, a bottom heating element, and a main control unit; wherein... The main control device is used to obtain the current steam power of the steam generator; The main control device is also used to determine the target heating power of the bottom heating tube based on the current steam power and the pre-stored control algorithm for water accumulation in the steam oven. The control algorithm for water accumulation in the steam oven is determined based on the relationship between the steam power of the steam generator and the heating power of the bottom heating tube when the amount of water accumulated at the bottom of the steam oven cavity is within a preset water accumulation threshold range. The main control device is also used to control the bottom heating tube to heat the food to be cooked according to the target heating power while the steam generator is operating according to the current steam power.

6. The steam oven according to claim 5, characterized in that, The steam oven also includes a water level detection device, the steam generator is equipped with multiple steam power settings, and the bottom heating element is equipped with multiple heating power settings; wherein... The main control device is also used to obtain the amount of water accumulated at the bottom of the steam oven cavity through the water detection device during the process of the steam generator operating according to each steam power and the bottom heating tube heating according to each heating power. The main control device is also used to determine the corresponding steam power and heating power as the target power combination if the amount of water accumulated at the bottom of the steam oven cavity is within the preset water accumulation threshold range. The main control device is also used to perform fitting processing based on each of the target power combinations to obtain expressions for steam power and heating power, and to determine the expressions as the control algorithm for water accumulation in the steam oven. The expression for the control algorithm for water accumulation in the steam oven is: y = aln(x) + b; Where x is the current steam power of the steam generator, y is the target heating power of the bottom heating tube when the amount of water generated at the bottom of the steam oven cavity is within the preset water accumulation threshold range, a is the first fitting parameter, and b is the second fitting parameter.

Citation Information

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