Steaming oven and cooking method thereof

Abstract

The invention relates to a steaming oven and a cooking method thereof.An exhaust assembly is arranged at an oven body and comprises an exhaust pipe, an exhaust blocking piece and a blocking piece driving mechanism, the external environment communicates with a cooking cavity of the oven body through the exhaust pipe, the exhaust blocking piece is connected with the blocking piece driving mechanism, and the exhaust blocking piece is used for shielding an exhaust channel of the exhaust pipe. The blocking piece driving mechanism is connected with the control assembly, and in an actual scene, the control assembly can control the blocking piece driving mechanism to drive the exhaust blocking piece to move according to the cooking mode of the steaming oven so as to change the shielding area of the exhaust channel, and therefore the exhaust rate of steam or hot air in the cooking cavity is changed. According to the scheme, the steam oven can adaptively adjust the discharge rate of the hot air or the steam according to the actual cooking scene, so that the discharge rate of the hot air or the steam of the steam oven is more matched with the current cooking scene, the influence of discharge of the hot air or the steam on temperature control is reduced, and the temperature control precision is effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of kitchenware equipment, and particularly to a steam oven and a cooking method thereof. Background Art

[0002] With the development of science and technology and the continuous improvement of people's living standards, cooking products are becoming more and more diverse, and users have higher and higher requirements for the functions of cooking products. For a steam oven, the temperature control accuracy is the most core parameter, which directly affects the cooking effect of food ingredients.

[0003] However, in the related art, affected by the discharge of hot air or steam in the cooking cavity of the steam oven, the temperature control accuracy of the steam oven is poor. Summary of the Invention

[0004] Based on this, in view of the problem of poor temperature control accuracy of the steam oven, it is necessary to provide a steam oven and a cooking method thereof to improve the temperature control accuracy.

[0005] In a first aspect, the present application provides a steam oven, including a box body, an exhaust assembly and a control assembly. The exhaust assembly includes an exhaust pipe, an exhaust baffle and a baffle driving mechanism. The exhaust pipe is arranged in the box body to communicate the external environment with the cooking cavity of the box body; the exhaust baffle is connected to the baffle driving mechanism, and the exhaust baffle is used to block the exhaust passage of the exhaust pipe; the control assembly is connected to the baffle driving mechanism, and the control assembly is used to control the baffle driving mechanism to drive the exhaust baffle to move according to the cooking mode of the steam oven, so as to change the blocking area of the exhaust passage.

[0006] In one embodiment, a baffle slot communicating with the exhaust passage is formed on the outer wall of the exhaust pipe, and the exhaust baffle is embedded in the baffle slot.

[0007] In one embodiment, the exhaust baffle is arranged at the intake end or the outlet end of the exhaust pipe.

[0008] In one embodiment, the baffle driving mechanism includes an electromagnetic component and an elastic return component. The electromagnetic component is fixedly arranged on the box body and is connected to the control assembly. The exhaust baffle is connected to the elastic return component, and the elastic return component is connected to the electromagnetic component.

[0009] In one embodiment, the electromagnetic component includes an electromagnet, an adjustable current source and a bracket. The bracket is fixedly arranged on the box body, the electromagnet is fixedly arranged on the bracket, the electromagnet and the control assembly are respectively connected to the adjustable current source, and the exhaust baffle is connected to the bracket through the elastic return component.

[0010] In one embodiment, the baffle driving mechanism includes a stepper motor, and the control component and the exhaust baffle are respectively connected to the stepper motor.

[0011] The present application also provides a cooking method based on the above steam oven, including: acquiring the cooking mode of the steam oven in real time; determining the exhaust demand parameter of the steam oven according to the cooking mode; and controlling the baffle driving mechanism to drive the exhaust baffle to move according to the exhaust demand parameter so as to change the shielding area of the exhaust passage.

[0012] In one embodiment, the step of determining the exhaust demand parameter of the steam oven according to the cooking mode includes: when the cooking mode is a steaming mode, determining that the exhaust demand parameter of the steam oven is a first exhaust parameter; when the cooking mode is a baking mode, determining that the exhaust demand parameter of the steam oven is a second exhaust parameter; wherein, the exhaust rate represented by the first exhaust parameter is greater than the exhaust rate represented by the second exhaust parameter.

[0013] In one embodiment, the step of controlling the baffle driving mechanism to drive the exhaust baffle to move according to the exhaust demand parameter so as to change the shielding area of the exhaust passage includes: according to the first exhaust parameter, controlling the electromagnetic component of the baffle driving mechanism to be powered off so that the exhaust baffle shields the exhaust passage with a minimum shielding area; or, according to the second exhaust parameter, controlling the electromagnetic component of the baffle driving mechanism to be powered on so that the exhaust baffle shields the exhaust passage with a maximum shielding area.

[0014] In one embodiment, the step of determining the exhaust demand parameter of the steam oven according to the cooking mode includes: when the cooking mode is a steaming mode, determining the exhaust demand parameter of the steam oven according to the steamed dish and / or the steaming progress; when the cooking mode is a baking mode, determining the exhaust demand parameter of the steam oven according to the baked dish and / or the baking progress.

[0015] The above-mentioned steam oven and its cooking method are provided with an exhaust component at the box body. Among them, the exhaust component includes an exhaust pipe, an exhaust baffle, and a baffle driving mechanism. The external environment and the cooking cavity of the box body are connected through the exhaust pipe. The exhaust baffle is connected to the baffle driving mechanism, and the exhaust baffle is used to block the exhaust passage of the exhaust pipe. The baffle driving mechanism is connected to the control component. In an actual scenario, the control component can control the baffle driving mechanism to drive the exhaust baffle to move according to the cooking mode of the steam oven, so as to change the blocking area of the exhaust passage, thereby changing the discharge rate of steam or hot air in the cooking cavity. Through the above solution, the steam oven can adaptively adjust the discharge rate of hot air or steam according to the actual cooking scenario, making the discharge rate of hot air or steam in the steam oven more matched with the current cooking scenario, reducing the impact of hot air or steam discharge on temperature control, and thus effectively improving the temperature control accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 Schematic diagram of the structure of the steam oven in an embodiment of the present application;

[0018] Figure 2 Schematic diagram of the structure of the exhaust component in an embodiment of the present application;

[0019] Figure 3 Schematic diagram of the structure of the exhaust component in another embodiment of the present application;

[0020] Figure 4 Schematic diagram of the structure of the exhaust component in yet another embodiment of the present application;

[0021] Figure 5 Schematic diagram of the cooking method flow in an embodiment of the present application;

[0022] Figure 6 Schematic diagram of the cooking method flow in another embodiment of the present application;

[0023] Figure 7 Schematic diagram of the cooking method flow in yet another embodiment of the present application.

[0024] Explanation of the reference numerals:

[0025] 10 - Cabinet, 20 - Exhaust assembly, 21 - Exhaust pipe, 22 - Exhaust baffle, 23 - Baffle drive mechanism, 211 - Baffle slot, 231 - Electromagnetic component, 232 - Elastic return component, 2311 - Electromagnet, 2312 - Bracket. Detailed implementation manner

[0026] To facilitate the understanding of this application, the following will describe this application more comprehensively with reference to the relevant attached drawings. The attached drawings show the preferred embodiments of this application. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of this application more thorough and comprehensive.

[0027] The steam oven provided by the embodiments of this application is a kitchen appliance that simultaneously has the functions of steaming and baking. Specifically, it can be a steam oven in which the steaming and baking of food materials are carried out in the same cooking cavity, or a steam oven in which the steaming and baking of food materials are carried out in different cooking cavities but share the same exhaust port. In this way, through the solution of the embodiments of this application, different exhaust rates can be configured for the steam oven in the steaming and baking modes respectively; or when steaming (or baking), different exhaust rates can be configured for different food materials or different steaming (or baking) stages of the steam oven to achieve the matching of the exhaust rate and the cooking scenario.

[0028] Please refer to Figure 1 and Figure 2 , this application provides a steam oven, including a cabinet 10, an exhaust assembly 20 and a control assembly (not shown in the figure). The exhaust assembly 20 includes an exhaust pipe 21, an exhaust baffle 22 and a baffle drive mechanism 23. The exhaust pipe 21 is arranged in the cabinet 10 to connect the external environment and the cooking cavity of the cabinet 10; the exhaust baffle 22 is connected to the baffle drive mechanism 23, and the exhaust baffle 22 is used to block the exhaust passage of the exhaust pipe 21; the control assembly is connected to the baffle drive mechanism 23, and the control assembly is used to control the baffle drive mechanism 23 to drive the exhaust baffle 22 to move according to the cooking mode of the steam oven so as to change the blocking area of the exhaust passage.

[0029] Specifically, the cabinet 10, which is also the outer shell and related components of the steam oven, should include a door. The space inside the cabinet 10 for placing food ingredients is the cooking cavity. The exhaust assembly 20 is a device used to discharge the hot air or steam inside the cooking cavity to the external environment according to actual needs. The exhaust pipe 21 is the pipe for discharging the hot air or steam inside the cooking cavity, and the exhaust passage is the pipe of the exhaust pipe 21. The exhaust baffle 22 is a baffle used to block the exhaust passage inside the exhaust pipe 21. The baffle driving mechanism 23 is a driving component used to drive the exhaust baffle 22 to move, so as to change the degree of blocking of the exhaust passage by the exhaust baffle 22 (characterized by the blocking area in this application). In other embodiments, the steam oven should also include a heating component, a steam generator, a temperature and / or humidity detector, etc., which will not be elaborated here.

[0030] The blocking area is the area of the part of the exhaust baffle 22 located inside the exhaust passage when projected onto the cross-section of the exhaust pipe 21 along the direction perpendicular to the cross-section of the exhaust pipe 21 (or parallel to the pipe direction). Specifically, refer to Figure 3 , in one embodiment, taking the straight exhaust pipe 21 and the exhaust baffle 22 blocking parallel to the cross-section of the exhaust pipe 21 as an example, at this time, the area of the exhaust baffle 22 located inside the exhaust pipe 21 and parallel to the cross-section plane can be used as the blocking area (that is, the shaded part 220 shown in the figure).

[0031] Correspondingly, in the actual scenario, the larger the blocking area, the narrower the "channel" through which the hot air or steam flows, and the lower the exhaust rate. Therefore, in the actual scenario, the control component can monitor the cooking mode in real time and adaptively adjust the exhaust rate according to the monitoring results. Specifically, by controlling the baffle driving mechanism 23 to drive the exhaust baffle 22 to move, the blocking area of the exhaust baffle 22 for the exhaust passage is adjusted, thereby realizing the adjustment of the exhaust rate.

[0032] In the above-mentioned steam oven, an exhaust assembly 20 is provided at the cabinet 10. Among them, the exhaust assembly 20 includes an exhaust pipe 21, an exhaust baffle 22, and a baffle driving mechanism 23. The external environment is communicated with the cooking cavity of the cabinet 10 through the exhaust pipe 21. The exhaust baffle 22 is connected to the baffle driving mechanism 23, and the exhaust baffle 22 is used to block the exhaust passage of the exhaust pipe 21. The baffle driving mechanism 23 is connected to the control component. In the actual scenario, the control component can control the baffle driving mechanism 23 to drive the exhaust baffle 22 to move according to the cooking mode of the steam oven, so as to change the blocking area of the exhaust passage, thereby changing the discharge rate of the steam or hot air in the cooking cavity. Through the above solution, the steam oven can adaptively adjust the discharge rate of the hot air or steam according to the actual cooking scenario, making the discharge rate of the hot air or steam of the steam oven more matched with the current cooking scenario, reducing the impact of the hot air or steam discharge on temperature control, and thus effectively improving the temperature control accuracy.

[0033] It should be noted that the type of the control component is not unique. In one embodiment, the control component includes a connected human-machine interaction device and a controller. The human-machine interaction device is arranged on the outer surface of the steam oven, and the user can set the cooking mode or cooking parameters through the human-machine interaction device, or monitor the cooking state. The type of the human-machine interaction device is not unique, and it can be a touch display screen or mechanical buttons, without specific limitation.

[0034] In another embodiment, the control component may only include a controller. After the user puts the ingredients into the cooking cavity, through technologies such as image recognition, the corresponding cooking mode and cooking parameters can be automatically matched, which can greatly improve the operation convenience of the steam oven.

[0035] Furthermore, in other embodiments, the above-mentioned controller may also have a wireless communication function, which can communicate with a user terminal (such as a mobile phone), enabling the user to directly control the steam oven or view the cooking state through the user terminal.

[0036] Please refer to Figure 2 , in one embodiment, a baffle slot 211 communicating with the exhaust passage is formed on the outer wall of the exhaust pipe 21, and the exhaust baffle 22 is embedded in the baffle slot 211.

[0037] Specifically, through the setting of the baffle slot 211, the exhaust baffle 22 can block the air flow in the exhaust passage by inserting into the baffle slot 211, so as to achieve the purpose of changing the exhaust rate.

[0038] It can be understood that in another embodiment, it can also be that a baffle slot 211 communicating with the exhaust passage is formed on the outer wall of the exhaust pipe 21, and the exhaust baffle 22 is arranged opposite to the baffle slot 211. When there is no need to block the exhaust passage, there is a certain distance between the exhaust baffle 22 and the baffle slot 211, and when there is a need to block the exhaust passage, the baffle driving mechanism 23 drives the exhaust baffle 22 to move, so that at least a part of it is embedded in the baffle slot 211. The greater the blocking requirement, the greater the part of the exhaust baffle 22 embedded in the baffle slot 211.

[0039] It should be noted that the opening position of the baffle slot 211 is not unique. In one embodiment, the baffle slot 211 can be opened on the part of the exhaust pipe 21 extending to the external environment, which can avoid the setting of the baffle driving mechanism 23, etc., from occupying the cooking cavity. In another embodiment, the baffle slot 211 can also be opened on the part of the exhaust pipe 21 extending to the cooking cavity, which can avoid the leakage of hot air or steam to the external environment through the baffle slot 211. The specific method to be adopted is not limited here, and it can be selected according to the actual needs.

[0040] In the above solution, a baffle slot 211 is opened on the outer wall of the exhaust pipe 21, and the exhaust baffle 22 is embedded in the baffle slot 211 to achieve the occlusion of the exhaust passage. When occluding the exhaust passage, the exhaust baffle 22 is clamped in the baffle slot 211, and even under the impact of hot air or steam, it will not tip over or tilt, having high occlusion reliability.

[0041] In one embodiment, the exhaust baffle 22 is arranged at the intake end or the outlet end of the exhaust pipe 21.

[0042] Specifically, the intake end of the exhaust pipe 21 is also the end where the exhaust pipe 21 extends into the cooking cavity and is used to input the hot air or steam that needs to be discharged. The outlet end of the exhaust pipe 21 is also the end where the exhaust pipe 21 extends to the external environment and is used to discharge the hot air or steam. In the solution of this embodiment, the exhaust baffle 22 can also be directly arranged at the intake end or the outlet end of the exhaust pipe 21. In this way, there is no need to open the baffle slot 211 on the exhaust pipe 21, avoiding the possibility of hot air or steam leaking from the baffle slot 211.

[0043] It should be noted that the type of the baffle driving mechanism 23 is not unique, as long as it can drive the exhaust baffle 22 to move, thereby changing the occlusion area of the exhaust passage.

[0044] Please refer to Figure 2 and Figure 4 , in one embodiment, the baffle driving mechanism 23 includes an electromagnetic component 231 and an elastic return component 232. The electromagnetic component 231 is fixedly arranged on the box body 10 and is connected to a control component (not shown in the figure). The exhaust baffle 22 is connected to the elastic return component 232, and the elastic return component 232 is connected to the electromagnetic component 231.

[0045] Specifically, the electromagnetic component 231 is an electromagnetic device that can generate magnetic force when energized and drive the exhaust baffle 22 with the magnetic force. The elastic return component 232 has a certain elasticity and can return the exhaust baffle 22 to the initial position when the magnetic force of the electromagnetic component 231 disappears. The electromagnetic component 231 is fixedly arranged on the box body 10. In this way, when the electromagnetic component 231 magnetically attracts the exhaust baffle 22, it is ensured that the electromagnetic component 231 will not move due to the magnetic force. The elastic return component 232 is connected to the electromagnetic component 231. In this way, it can be ensured that one end of the elastic return component 232 is fixed and the other end moves with the movement of the exhaust baffle 22, and the exhaust baffle 22 can be quickly reset when the magnetic force disappears. This solution realizes the drive of the exhaust baffle 22 in a magnetic attraction manner, which can effectively reduce the drive cost of the exhaust baffle 22.

[0046] It should be noted that in order to achieve the magnetic drive of the exhaust baffle 22, the exhaust baffle 22 in this embodiment should be a magnetizable type of exhaust baffle 22, such as an iron sheet, a steel sheet, etc., and no specific limitation is made.

[0047] It can be understood that the type of the elastic return member 232 is not unique, and any component that can return the exhaust baffle 22 to the initial position through elastic force is acceptable. For example, in one embodiment, the elastic return member 232 can be a spring. In other embodiments, a rubber pad, an elastic diaphragm, etc. can also be used as the elastic return member 232, and no specific limitation is made.

[0048] Further, please continue to refer to Figure 2 and Figure 4 , in one embodiment, the electromagnetic component 231 includes an electromagnet 2311, an adjustable current source (not shown in the figure), and a bracket 2312. The bracket 2312 is fixedly arranged on the box body 10, the electromagnet 2311 is fixedly arranged on the bracket 2312, the electromagnet 2311 and the control component are respectively connected to the adjustable current source, and the exhaust baffle 22 is connected to the bracket 2312 through the elastic return member 232.

[0049] Specifically, the adjustable current source is a power source with adjustable output current. The electromagnet 2311 is a device that can generate magnetic force when energized. In this embodiment, the bracket 2312 is fixedly arranged on the box body 10, and the two ends of the elastic return member 232 are respectively connected to the exhaust baffle 22 and the bracket 2312. Thus, under the magnetic attraction of the electromagnet 2311, the elastic return member 232 is compressed, and the exhaust baffle 22 moves towards the direction of the electromagnet 2311.

[0050] More specifically, in one embodiment, the bracket 2312 includes a receiving portion with a groove, and two hanging pieces arranged at both ends of the receiving portion. The electromagnet 2311 is arranged in the groove of the receiving portion, and each hanging piece is correspondingly connected to a spring. The two springs are respectively connected to the exhaust baffle 22. Thus, the reset of the exhaust baffle 22 is realized by the two springs, reducing the possibility of the exhaust baffle 22 tilting or overturning during the movement.

[0051] In an actual scenario, the control component can change the current applied to the electromagnet 2311 by the adjustable current source, change the magnetic force of the electromagnet 2311, so that the exhaust baffle 22 can block the exhaust passage with different blocking areas, improving the controllability of the exhaust rate.

[0052] It should be noted that in other embodiments, the adjustable current source can also be replaced by a constant current source, and the electromagnet 2311 is connected to the constant current source. In an actual scenario, according to the energization and de-energization of the electromagnet 2311, the switching between two different blocking areas is realized to meet the requirements of different cooking modes.

[0053] In one of the embodiments, the baffle driving mechanism 23 includes a stepper motor, and the control component and the exhaust baffle 22 are respectively connected to the stepper motor.

[0054] Specifically, different from the magnetic drive in the above embodiment, the solution of this embodiment can directly connect the exhaust baffle 22 to the stepper motor to drive the exhaust baffle 22 with the stepper motor. In an actual scenario, according to different requirements, the shielding area of the exhaust baffle 22 for the exhaust passage can be gradually increased from zero until the exhaust passage is completely shielded. In this way, it has a higher shielding area adjustment accuracy.

[0055] Please refer to Figure 5 , this application also provides a cooking method based on the above steam oven, including step 502, step 504, and step 506.

[0056] Step 502, obtain the cooking mode of the steam oven in real time.

[0057] Step 504, determine the exhaust demand parameters of the steam oven according to the cooking mode.

[0058] Step 506, control the baffle driving mechanism to drive the exhaust baffle to move according to the exhaust demand parameters, so as to change the shielding area of the exhaust passage.

[0059] Specifically, the structure of the steam oven is as shown in the above various embodiments and the drawings. The cooking mode is also the operating mode when the steam oven cooks food, including the steaming mode and the baking mode. The exhaust demand parameters are also the operating control parameters corresponding to the exhaust component 20 when it is desired to exhaust the steam oven at the required exhaust rate.

[0060] In an actual scenario, it can be before starting to work. The control component performs cooking mode recognition, determines the exhaust demand parameters of the steam oven according to the recognition result, and then controls the baffle driving mechanism 23 to drive the exhaust baffle 22 to move to the target position with the exhaust demand parameters. During the subsequent operation, the cooking mode recognition is performed in real time. When the cooking mode changes, the exhaust demand parameters are re-determined with the changed cooking mode, and then the baffle driving mechanism 23 is controlled to operate with the re-determined exhaust demand parameters to change the shielding area of the exhaust passage.

[0061] In the above solution, the steam oven can adaptively adjust the discharge rate of hot air or steam according to the actual cooking scenario, so that the discharge rate of hot air or steam of the steam oven better matches the current cooking scenario, reduces the impact of hot air or steam discharge on temperature control, and thus effectively improves the temperature control accuracy.

[0062] Please refer to Figure 6 , in one of the embodiments, step 504 includes step 602 and step 604.

[0063] Step 602: When the cooking mode is the steaming mode, determine that the exhaust requirement parameter of the steam oven is a first exhaust parameter.

[0064] Step 604: When the cooking mode is the baking mode, determine that the exhaust requirement parameter of the steam oven is the second exhaust parameter.

[0065] Among them, the exhaust rate represented by the first exhaust parameter is greater than the exhaust rate represented by the second exhaust parameter. In the solution of this embodiment, when the steam oven is in the same cooking mode, the exhaust rate required is consistent, that is, the exhaust requirement parameters are consistent; when the steam oven is in different cooking modes, the exhaust rate required is also different, that is, the exhaust requirement parameters of different cooking modes are also different. Therefore, when it is detected that the cooking mode is steaming mode, the steam oven can be controlled to continuously operate at the exhaust rate corresponding to the first exhaust parameter, so that steam is discharged at a higher rate. When it is detected that the cooking mode is baking mode, the steam oven can be controlled to continuously operate at the exhaust rate corresponding to the second exhaust parameter, so that high-temperature gas is discharged at a lower rate. In this way, the heat loss rate in the cooking cavity under different cooking modes can be better controlled.

[0066] It should be noted that the sizes of the first exhaust parameter and the second exhaust parameter are not unique, and can be configured in combination with actual needs and the actual structure of the exhaust component 20, and are not specifically limited.

[0067] For example, see Figure 6 In one embodiment, step 506 includes step 606 or step 608 .

[0068] Step 602: According to the first exhaust parameter, the electromagnetic component of the baffle driving mechanism is controlled to be de-energized so that the exhaust baffle blocks the exhaust passage with a minimum blocking area.

[0069] Step 608 : According to the second exhaust parameter, the electromagnetic component of the baffle driving mechanism is controlled to be energized so that the exhaust baffle blocks the exhaust passage with a maximum blocking area.

[0070] Specifically, in this embodiment, the exhaust rate corresponding to the first exhaust parameter is configured as the maximum exhaust rate. Accordingly, the exhaust baffle 22 should block the exhaust passage with the minimum blocking area. The exhaust rate corresponding to the second exhaust parameter is configured as the minimum exhaust rate. Accordingly, the exhaust baffle 22 should block the exhaust passage with the maximum blocking area. It should be understood that the minimum and maximum blocking areas are not unique and are not specifically limited. They can be configured based on actual needs.

[0071] In this embodiment, magnetic drive is adopted and a constant current source is used for power supply as an example for explanation. When the exhaust shutter 22 is in the initial position (the elastic return member 232 is not compressed), the shielding area of the exhaust shutter 22 for the exhaust passage is taken as the minimum shielding area; correspondingly, when the electromagnetic member 231 is energized, the shielding area of the exhaust shutter 22 for the exhaust passage is taken as the maximum shielding area. This solution realizes exhaust control in different modes by energizing or de-energizing the shutter drive mechanism 23, and the control method is simple, effectively saving software costs.

[0072] It can be understood that in another embodiment, an adjustable current source can also be used for power supply. Correspondingly, when the adjustable current source supplies power to the electromagnet 2311 with a first current (which can be zero), the shielding area of the exhaust shutter 22 for the exhaust passage is taken as the minimum shielding area. When the adjustable current source supplies power to the electromagnet 2311 with a second current (greater than the first current), the shielding area of the exhaust shutter 22 for the exhaust passage is taken as the maximum shielding area.

[0073] Furthermore, in other embodiments, the exhaust shutter 22 can also be adjusted by using a stepping motor drive method, so that the steam oven operates at an exhaust rate corresponding to the first exhaust parameter in the steaming mode and at an exhaust rate corresponding to the second exhaust parameter in the baking mode, which will not be elaborated here.

[0074] Please refer to Figure 7 , in one of the embodiments, step 504 includes step 702 and step 704.

[0075] Step 702, in the case where the cooking mode is the steaming mode, determine the exhaust demand parameters of the steam oven according to the steamed dishes and / or the steaming progress.

[0076] Step 704, in the case where the cooking mode is the baking mode, determine the exhaust demand parameters of the steam oven according to the baked dishes and / or the baking progress.

[0077] Specifically, different from the above embodiments where the exhaust rates in the steaming mode are all the same and the exhaust rates in the baking mode are all the same, in the solution of this embodiment, the control component can also adaptively adjust the exhaust rate in the steaming mode or adaptively adjust the exhaust rate in the baking mode according to the identified dish type and / or the different cooking precisions. In this way, different exhaust rates can be configured for different dishes or different cooking stages of the same dish, further improving the temperature control accuracy and effectively improving the cooking taste.

[0078] To facilitate understanding of the technical solution of this application, the following will explain this application in combination with more detailed embodiments.

[0079] 1. Main components of the whole machine (please refer toFigure 1 and Figure 2 ):

[0080] Exhaust assembly 20: Set on the top of the cabinet 10 for exhausting the gas in the cooking cavity;

[0081] Control assembly, including a touch display screen, is set on the outer surface of the cabinet 10 for controlling the operation of the steam oven.

[0082] 2. Structure of the exhaust assembly 20 (for reference, see Figure 2 and Figure 4 ):

[0083] Exhaust pipe 21: Connects the cooking cavity with the external environment for exhausting the high-temperature gas (hot air) or steam in the cooking cavity to facilitate temperature control and pressure relief;

[0084] Exhaust damper 22: Can move left and right to block the exhaust passage of the exhaust pipe 21 to adjust the size of the exhaust port;

[0085] Bracket 2312: Fixed on the surface of the cabinet 10 for supporting and installing the electromagnet 2311;

[0086] Electromagnet 2311: Connected to a power supply (constant current source) for controlling the left and right movement of the exhaust damper 22;

[0087] Return spring (elastic return component 232): Connects the exhaust damper 22 and the bracket 2312 for controlling the return of the exhaust damper 22.

[0088] 3. Working principle:

[0089] Before the whole machine enters cooking, the control assembly will judge the cooking mode set by the user:

[0090] (1) If it is the steaming mode, the electromagnet 2311 is not powered on and does not generate magnetic attraction. The exhaust damper 22 is at the leftmost position. At this time, the return spring is in the natural state, that is, state 1 ( Figure 2 shown). At this time, the exhaust opening of the exhaust pipe 21 is the largest, and the steam in the cooking cavity can be discharged more. If the cooking mode changes to the baking mode at this time, the electromagnet 2311 is powered on to generate magnetic attraction, sucking the exhaust damper 22 to the rightmost position. At this time, the return spring is compressed, that is, state 2 ( Figure 4 shown).

[0091] (2) In the baking mode, the electromagnet 2311 is energized to generate magnetic suction force, which sucks the exhaust flap 22 to the rightmost position. At this time, the return spring is compressed, i.e., state 2. At this time, a part of the exhaust port of the exhaust pipe 21 is blocked by the exhaust flap 22, and the discharge rate of the high-temperature gas in the cooking cavity is reduced. If the cooking mode changes to the steaming mode at this time, the electromagnet 2311 is de-energized, the magnetic suction force disappears, and the exhaust flap 22 returns to the leftmost position under the action of the return force of the return spring, i.e., state 1.

[0092] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0093] The above-described embodiments only represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. An oven with steam function, characterized in that, Comprising: A box body; An exhaust assembly, including an exhaust pipe, an exhaust damper, and a damper driving mechanism. The exhaust pipe is disposed in the box body to communicate the external environment with the cooking cavity of the box body; the exhaust damper is connected to the damper driving mechanism, and the exhaust damper is used to block the exhaust passage of the exhaust pipe; A control assembly, connected to the damper driving mechanism. The control assembly is used to control the damper driving mechanism to drive the exhaust damper to move according to the cooking mode of the steam oven, so as to change the blocking area of the exhaust passage.

2. The steam oven according to claim 1, wherein, A baffle slot communicating with the exhaust passage is formed on the outer wall of the exhaust pipe, and the exhaust damper is embedded in the baffle slot.

3. The steam oven according to claim 1, characterized in that, The exhaust damper is disposed at the intake end or the outlet end of the exhaust pipe.

4. The steam oven according to any one of claims 1 to 3, characterized in that The damper driving mechanism includes an electromagnetic component and an elastic return component. The electromagnetic component is fixedly disposed on the box body and connected to the control assembly. The exhaust damper is connected to the elastic return component, and the elastic return component is connected to the electromagnetic component.

5. The steam oven according to claim 4, characterized in that, The electromagnetic component includes an electromagnet, an adjustable current source, and a bracket. The bracket is fixedly disposed on the box body, the electromagnet is fixedly disposed on the bracket, the electromagnet and the control assembly are respectively connected to the adjustable current source, and the exhaust damper is connected to the bracket through the elastic return component.

6. The steam oven according to any one of claims 1-3, characterized in that, The damper driving mechanism includes a stepper motor, and the control assembly and the exhaust damper are respectively connected to the stepper motor.

7. A cooking method for a steam oven according to any one of claims 1-6, characterized in that, Comprising: Obtain the cooking mode of the steam oven in real time; Determine the exhaust demand parameters of the steam oven according to the cooking mode; Control the damper driving mechanism to drive the exhaust damper to move according to the exhaust demand parameters, so as to change the blocking area of the exhaust passage.

8. The cooking method according to claim 7, characterized in that, The determining the exhaust demand parameters of the steam oven according to the cooking mode includes: When the cooking mode is the steaming mode, determining that the exhaust demand parameter of the steam oven is the first exhaust parameter; When the cooking mode is the baking mode, determining that the exhaust demand parameter of the steam oven is the second exhaust parameter; wherein, the exhaust rate characterized by the first exhaust parameter is greater than the exhaust rate characterized by the second exhaust parameter.

9. The cooking method according to claim 8, characterized in that, The controlling the damper driving mechanism to drive the exhaust damper to move according to the exhaust demand parameters, so as to change the blocking area of the exhaust passage includes: According to the first exhaust parameter, controlling the electromagnetic component of the damper driving mechanism to be powered off, so that the exhaust damper blocks the exhaust passage with the minimum blocking area; or, According to the second exhaust parameter, controlling the electromagnetic component of the damper driving mechanism to be powered on, so that the exhaust damper blocks the exhaust passage with the maximum blocking area.

10. The cooking method according to claim 7, characterized in that, The determining the exhaust demand parameters of the steam oven according to the cooking mode includes: When the cooking mode is the steaming mode, determining the exhaust demand parameters of the steam oven according to the steamed dishes and / or the steaming progress; When the cooking mode is the baking mode, determining the exhaust demand parameters of the steam oven according to the baked dishes and / or the baking progress.

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