Steam cooking device

By incorporating a convection chamber and a convection fan inside the steam oven, the problem of uneven temperature and humidity caused by slow gas flow in the steam oven is solved, improving the evenness of heating and the taste of food, and shortening the cooking time.

CN223667724UActive Publication Date: 2025-12-16ZHONGSHAN HENRY LAI ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202422886412.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-12-16
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

In existing steam ovens, the high-temperature/high-humidity gas inside the cooking cavity does not flow or flows slowly, resulting in uneven temperature/humidity distribution, which affects the uneven heating of food, poor taste, and longer cooking time.

Method used

A convection chamber is configured inside the steam oven, and a convection fan and an air inlet/outlet assembly are set up to make the gas form a circulation in the cooking chamber. The convection fan drives the gas from the air inlet assembly into the convection chamber and then from the air outlet assembly back into the cooking chamber, so as to achieve uniform distribution of temperature and humidity.

Benefits of technology

It achieves uniform distribution of temperature and humidity within the cooking cavity, improving the taste of food and shortening cooking time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steam cooking device which comprises a box body, a water tank and a steam generating device, the box body is provided with a cooking cavity, the steam generating device is used for conveying steam to the cooking cavity, the water tank supplies water to the steam generating device, an air inlet set and an air outlet set are formed in the rear wall of the cooking cavity, and the box body is further provided with a convection cavity communicated with the cooking cavity through the air inlet set and the air outlet set. A heating pipe and a convection wind wheel are arranged in the convection cavity, at least part of the convection wind wheel right faces the air inlet set, and when the convection wind wheel rotates, air in the cooking cavity flows into the convection cavity from the air inlet set and then flows back to the cooking cavity from the air outlet set. The convection cavity which is arranged on the rear wall of the cooking cavity and communicated with the cooking cavity is arranged on the box body, and the convection wind wheel which enables gas in the cooking cavity to flow into the convection cavity from the air inlet group and then flow back to the cooking cavity from the air outlet group is arranged in the convection cavity, so that the gas in the cooking cavity forms circulation in the front-back direction. Therefore, the temperature / humidity in the cooking cavity is uniformly distributed, the food is uniformly heated, the taste of the food is improved, and the cooking time is shortened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen utensil technical field especially relates to steam cooking device. BACKGROUND

[0002] The steam oven is a kind of kitchen household electrical appliances combined with steam and baking function, in addition to being able to make daily staple food, it can also make pastry, dried fruit and other food, and it is deeply loved by consumers.The existing steam oven includes box, water tank, steam generating device and heating assembly, the box has cooking cavity, the heating assembly is arranged in the cooking cavity for heating the cooking cavity to bake food, the steam generating device is arranged on the box for delivering steam to the cooking cavity to cooperate with the heating assembly to steam food, and the water tank is arranged on the box for supplying water to the steam generating device.Due to the high temperature / high humidity gas in the cooking cavity does not flow or flows slowly, the temperature / humidity distribution in the cooking cavity is uneven, food is not heated evenly, cooking time is long, and food taste is not good. SUMMARY

[0003] The utility model aims at providing steam cooking device to solve the problem that the high temperature / high humidity gas in the cooking cavity of the existing steam oven does not flow or flows slowly, the temperature / humidity distribution in the cooking cavity is uneven, and the food heating, cooking time and food taste are affected.

[0004] The utility model is realized by the following technical schemes:

[0005] Steam cooking device, including box, water tank and steam generating device, the box has cooking cavity, the steam generating device is used to deliver steam to the cooking cavity and is supplied with water by the water tank, the rear wall of the cooking cavity is formed with air inlet group and air outlet group, the box also has the convection cavity that is communicated with the cooking cavity through the air inlet group and the air outlet group, the convection cavity is equipped with heating tube and convection fan, the convection fan at least part is opposite the air inlet group, when the convection fan rotates, the gas in the cooking cavity flows into the convection cavity from the air inlet group and then flows back to the cooking cavity from the air outlet group.

[0006] Further, the box includes inner container and rear baffle, the rear baffle is arranged in the inner container, the rear baffle and the inner container form the convection cavity and the cooking cavity, and the air inlet group and the air outlet group are arranged on the rear baffle.

[0007] Further, the box includes inner container and rear baffle, the inner container has the cooking cavity, and the rear baffle is arranged outside the inner container to form the convection cavity with the inner container, and the air inlet group and the air outlet group are arranged on the rear wall of the inner container.

[0008] Further, the box further comprises a shell, the inner container is arranged in the shell and forms an assembly cavity with the shell, the assembly cavity is communicated with the cooking cavity and / or the outside, the assembly cavity is provided with a motor and a heat dissipation fan wheel, and the heat dissipation fan wheel and the convection fan wheel are driven by the motor.

[0009] Further, the outer diameter of the heat dissipation fan wheel is smaller than the outer diameter of the convection fan wheel.

[0010] Further, the air outlet groups are arranged at intervals in the circumferential direction of the air inlet group, the air outlet group comprises a plurality of air outlets arranged at intervals, and the air inlet group comprises a plurality of air inlets arranged at intervals in the radial direction and the circumferential direction of the convection fan wheel.

[0011] Further, the convection fan wheel and the air inlet group are both multiple and one-to-one corresponding.

[0012] The technical scheme has the advantages that the convection cavity is arranged on the box and communicated with the cooking cavity, the convection fan wheel is arranged in the convection cavity and arranged to make the gas in the cooking cavity flow from the air inlet group into the convection cavity and then flow back to the cooking cavity from the air outlet group, the gas in the cooking cavity forms a circulation in the front-rear direction, the temperature / humidity distribution in the cooking cavity is uniform, the food is uniformly heated, the taste of the food is improved, and the cooking time is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0015] Figure 1 is a perspective view of the steam cooking device disclosed in the embodiment;

[0016] Figure 2 is a sectional view of the steam cooking device disclosed in the embodiment;

[0017] Figure 3 is Figure 2 is a local enlarged view of A in FIG.

[0018] Figure 4 is an assembly perspective view of the inner container, the back baffle, the convection fan wheel, the heat dissipation fan wheel and the motor in the embodiment Figure 1 ;

[0019] Figure 5 This is the assembled three-dimensional structure of the inner liner, rear partition, convection fan, cooling fan, and motor in the embodiment. Figure 2 ;

[0020] Figure 6 This is an exploded view of the inner liner, rear partition, convection fan, cooling fan, and motor in the embodiment. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example: Figures 1-6 As shown, the steam cooking device includes a housing 1, a water tank 2, and a steam generator (not shown in the figure). The water tank 2 and the steam generator are mounted on the housing 1. The housing 1 has a cooking chamber 101. The steam generator is used to supply steam to the cooking chamber 101 and water is supplied by the water tank 2. An air inlet group 102 and an air outlet group 103 are formed on the rear wall of the cooking chamber 101. The housing 1 also has a convection chamber 104 that is connected to the cooking chamber 101 via the air inlet group 102 and the air outlet group 103. A heating element 4 and a convection fan 5 are provided in the convection chamber 104. The convection fan 5 is at least partially facing the air inlet group 102. When the convection fan 5 rotates, the gas in the cooking chamber 101 flows into the convection chamber 104 from the air inlet group 102 and then flows back into the cooking chamber 101 from the air outlet group 103. This embodiment provides a steam cooking device to solve the problem in existing steam ovens where high-temperature / high-humidity gas does not flow or flows slowly within the cooking cavity, resulting in uneven temperature / humidity distribution within the cooking cavity, which affects food heating, cooking time, and food texture. The main solution is to configure a convection cavity 104 on the rear wall of the cooking cavity 101, connected to the cooking cavity 101, on the housing 1. A convection fan 5 is configured within the convection cavity 104, allowing gas from the cooking cavity 101 to flow into the convection cavity 104 from the air inlet group 102 and then back into the cooking cavity 101 from the air outlet group 103. This creates a circulating flow of gas within the cooking cavity 101 in the front-to-back direction, resulting in uniform temperature / humidity distribution within the cooking cavity 101, even heating of the food, improved food texture, and shorter cooking time.

[0023] In the embodiment of the utility model, the box 1 includes the inner container 105 and the back baffle 106, the back baffle 106 is arranged in the inner container 105, the back baffle 106 and the inner container 105 form the convection cavity 104 and the cooking cavity 101, the air inlet group 102 and the air outlet group 103 are arranged on the back baffle 106. The above-mentioned setting is configured with the inner container 105 and the back baffle 106, the back baffle 106 is arranged in the inner container 105 and forms the convection cavity 104 and the cooking cavity 101 with the inner container 105, and the air inlet group 102 and the air outlet group 103 are arranged on the back baffle 106, so that the convection cavity 104 is communicated with the cooking cavity 101, and the structure is simple and convenient to assemble.

[0024] In other embodiments, the assembly position of the inner container 105 and the back baffle 106 can also be that the inner container 105 has the cooking cavity 101, the back baffle 106 is arranged outside the inner container 105 and forms the convection cavity 104 with the inner container 105, and the air inlet group 102 and the air outlet group 103 are arranged on the back wall of the inner container 105.

[0025] In the embodiment of the utility model, the box 1 further includes the shell 107, the inner container 105 is arranged in the shell 107 and forms the assembly cavity 108 with the shell 107, the assembly cavity 108 is communicated with the cooking cavity 101 and / or the outside, the motor 6 and the heat dissipation fan 7 are arranged in the assembly cavity 108, and the heat dissipation fan 7 and the convection fan 5 are driven by the motor 6. Specifically, the motor 6 is connected to the inner container 105 through the mounting plate (not marked in the figure), the motor 6 has the first output shaft (not marked in the figure) and the second output shaft (not marked in the figure), the first output shaft is connected to the convection fan 5 and extends into the convection cavity 104, and the second output shaft is connected to the heat dissipation fan 7. The above-mentioned setting is configured with the assembly cavity 108 communicated with the cooking cavity 101 and / or the outside on the box 1, the motor 6 and the heat dissipation fan 7 are arranged in the assembly cavity 108, the heat dissipation fan 7 and the convection fan 5 are configured to be driven by the motor 6, so that the motor 6 can generate convection in the cooking cavity 101 and can also dissipate heat in the assembly cavity 108 when starting, and the structure is compact and reasonable.

[0026] In the embodiment of the utility model, the outer diameter of the heat dissipation fan 7 is smaller than the outer diameter of the convection fan 5.

[0027] In the embodiment of the utility model, the air outlet group 103 is several groups, and the several air outlet groups 103 are arranged at intervals in the circumferential direction of the air inlet group 102, the air outlet group 103 includes several air outlets 109 arranged at intervals, and the air inlet group 102 includes several air inlets 110 arranged at intervals in the radial direction and the circumferential direction of the convection fan 5. The above arrangement is to arrange the air outlet group 103 into several groups, arrange the several air outlet groups 103 at intervals in the circumferential direction of the air inlet group 102, and arrange the air inlet group 102 into several groups arranged at intervals in the radial direction and the circumferential direction of the convection fan 5, so that the convection effect in the cooking cavity 101 is good when the convection fan 5 rotates.

[0028] In the embodiment of the utility model, the convection fan 5 and the air inlet group 102 are both multiple and one-to-one. Specifically, the convection fan 5 and the air inlet group 102 are both two and one-to-one. The above arrangement is to arrange the convection fan 5 and the air inlet group 102 into two and one-to-one, so that the convection effect in the cooking cavity 101 is good when the convection fan 5 rotates.

[0029] In the embodiment of the utility model, the cooking cavity 101 is provided with a main heating pipe 8. The above arrangement is to arrange the main heating pipe 8 in the cooking cavity 101, which is conducive to the temperature rise of the cooking cavity 101.

[0030] It should be understood that the terms "first", "second" and the like are used in the utility model to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the utility model, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0031] As described above, one or more embodiments are provided in combination with specific content, and it is not intended that the specific implementation of the utility model is limited to these descriptions. Any approximation, similarity or substitution of the method and structure of the utility model, or any technical deduction or replacement under the concept of the utility model should be regarded as the protection of the utility model.

Claims

1. A steam cooking apparatus comprising a cabinet having a cooking cavity, a water tank and a steam generating device for delivering steam towards the cooking cavity and being supplied with water from the water tank, characterized in that, The rear wall of the cooking cavity is formed with an air inlet group and an air outlet group, the box further has a convection cavity in communication with the cooking cavity through the air inlet group and the air outlet group, the convection cavity is provided with a heating tube and a convection fan, the convection fan at least partially faces the air inlet group, and when the convection fan rotates, gas in the cooking cavity flows into the convection cavity from the air inlet group and then flows back to the cooking cavity from the air outlet group.

2. The steam cooking apparatus according to claim 1, characterized in that The box comprises an inner container and a rear partition plate, the rear partition plate is arranged in the inner container, and the rear partition plate and the inner container jointly form the convection cavity and the cooking cavity, and the air inlet group and the air outlet group are formed on the rear partition plate.

3. The steam cooking apparatus according to claim 1, characterized in that, The box comprises an inner container and a rear partition plate, the inner container has the cooking cavity, the rear partition plate is arranged outside the inner container and jointly forms the convection cavity with the inner container, and the air inlet group and the air outlet group are formed on the rear wall of the inner container.

4. The steam cooking apparatus according to claim 2 or 3, characterized in that The box further comprises an outer shell, the inner container is arranged in the outer shell and jointly forms an assembly cavity with the outer shell, the assembly cavity is in communication with the cooking cavity and / or the outside, the assembly cavity is provided with a motor and a heat dissipation fan, and the heat dissipation fan and the convection fan are driven by the motor.

5. The steam cooking apparatus according to claim 4, characterized in that The outer diameter of the heat dissipation fan is smaller than the outer diameter of the convection fan.

6. The steam cooking apparatus according to claim 1, characterized in that, The air outlet group is a plurality of groups, the plurality of air outlet groups are arranged at intervals in the circumferential direction of the air inlet group, the air outlet group comprises a plurality of air outlets arranged at intervals, and the air inlet group comprises a plurality of air inlets arranged at intervals in the radial direction and the circumferential direction of the convection fan.

7. The steam cooking apparatus according to claim 6, characterized in that The convection fan and the air inlet group are both a plurality of and one-to-one corresponding.