阅读说明：本技术 烹饪器具 (Cooking utensil ) 是由 张振华 周宇 唐相伟 于 2019-11-21 设计创作，主要内容包括：本发明公开了一种烹饪器具。该烹饪器具包括：器具本体,器具本体内具有中空腔体；热风组件,热风组件位于中空腔体的腔壁内,且热风组件包括：风扇,风扇包括：扇叶和转轴,扇叶设置在转轴上且随转轴转动,以在风扇的朝向中空腔体内部的一侧形成负压区；丝网,丝网位于风扇的朝向中空腔体内部的一侧,丝网设置在转轴上且随转轴转动；发热管,发热管邻近丝网设置；催化模块,催化模块邻近发热管设置,且用于催化油烟经过发热管之后分解而成的气体。根据本发明的烹饪器具,可实时净化分解加热食材所产生的油烟,且油烟的分解物无毒无害,也不需要二次处理,从而有利于减少有害气体的排放,保护环境,提升用户烹饪体验。(The invention discloses a cooking appliance. The cooking appliance includes: the appliance comprises an appliance body, wherein a hollow cavity is arranged in the appliance body; hot-blast subassembly, hot-blast subassembly is located the chamber wall of cavity, and hot-blast subassembly includes: a fan, the fan comprising: the fan blades are arranged on the rotating shaft and rotate along with the rotating shaft so as to form a negative pressure area on one side of the fan, which faces the inside of the hollow cavity; the silk screen is positioned on one side of the fan facing the interior of the hollow cavity, and the silk screen is arranged on the rotating shaft and rotates along with the rotating shaft; the heating tube is arranged adjacent to the silk screen; the catalytic module is arranged close to the heating tube and used for catalyzing gas formed by decomposing the oil smoke after passing through the heating tube. According to the cooking utensil disclosed by the invention, the oil smoke generated by decomposing and heating food materials can be purified and decomposed in real time, and decomposed substances of the oil smoke are non-toxic and harmless, and do not need secondary treatment, so that the emission of harmful gas is favorably reduced, the environment is protected, and the cooking experience of a user is improved.)

1. A cooking appliance, comprising:

the appliance comprises an appliance body, wherein a hollow cavity is arranged in the appliance body;

the hot air component, the hot air component is located in the chamber wall of cavity, just the hot air component includes:

a fan, the fan comprising: the fan blades are arranged on the rotating shaft and rotate along with the rotating shaft so as to form a negative pressure area on one side of the fan, which faces the inside of the hollow cavity;

the silk screen is positioned on one side, facing the inside of the hollow cavity, of the fan, and the silk screen is arranged on the rotating shaft and rotates along with the rotating shaft;

a heat pipe disposed adjacent to the wire mesh;

the catalytic module is arranged close to the heating tube and is used for catalyzing gas formed by decomposing oil smoke after passing through the heating tube.

2. The cooking appliance according to claim 1, wherein the cavity wall is a rear cavity wall or an upper cavity wall, and the cavity wall is provided with an oil smoke inlet.

3. The cooking appliance of claim 2, wherein the fume inlet is directly opposite the wire mesh.

4. The cooking appliance of claim 1, wherein the wire mesh surface is provided with a high temperature catalyst coating.

5. The cooking appliance of claim 1, wherein the catalytic module is a porous material having a high temperature catalyst on a surface thereof.

6. The cooking appliance of claim 5, wherein the porous material is at least one of a metal foam material, a porous ceramic material, a porous zeolite material, and a porous silica material.

7. The cooking appliance according to claim 4 or 5, wherein the high temperature catalyst is a transition metal oxide catalyst or a precious metal catalyst.

8. The cooking appliance of claim 1, wherein the maximum temperature of the heat generating tube ranges from 300 ℃ to 600 ℃.

9. The cooking appliance of claim 1, wherein the wire mesh is a stainless steel wire mesh or a nickel foam wire mesh or a copper foam-based metal wire mesh.

10. The cooking appliance of claim 1, wherein the cooking appliance is an oven or a steam oven.

Technical Field

The invention relates to the field of household appliances, in particular to a cooking appliance.

Background

In the process of baking and cooking in a steaming oven or an oven, food materials in the hollow cavity can generate oil smoke under the high-temperature condition, the oil smoke can be diffused and exhausted to a kitchen or a living environment through gaps or exhaust passages of the hollow cavity, the oil smoke threatens the health of a human body, and the living environment of a user is influenced.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the invention provides a cooking appliance which can purify and decompose oil smoke generated by heating food materials in real time.

A cooking appliance according to an embodiment of the present invention includes: the appliance comprises an appliance body, wherein a hollow cavity is arranged in the appliance body; the hot air component, the hot air component is located in the chamber wall of cavity, just the hot air component includes: a fan, the fan comprising: the fan blades are arranged on the rotating shaft and rotate along with the rotating shaft so as to form a negative pressure area on one side of the fan, which faces the inside of the hollow cavity; the silk screen is positioned on one side, facing the inside of the hollow cavity, of the fan, and the silk screen is arranged on the rotating shaft and rotates along with the rotating shaft; a heat pipe disposed adjacent to the wire mesh; the catalytic module is arranged close to the heating tube and is used for catalyzing gas formed by decomposing oil smoke after passing through the heating tube.

According to the cooking utensil provided by the embodiment of the invention, the oil smoke generated by heating food materials can be purified and decomposed in real time, and decomposed substances of the oil smoke are non-toxic and harmless, and do not need secondary treatment, so that the emission of harmful gas is reduced, the environment is protected, and the cooking experience of a user is improved.

According to some embodiments of the present invention, the chamber wall is a rear chamber wall or an upper chamber wall, and the chamber wall is provided with an oil smoke inlet.

Further, the oil smoke inlet is opposite to the wire mesh.

According to some embodiments of the invention, the wire mesh surface is provided with a high temperature catalyst coating.

According to some embodiments of the invention, the catalytic module is a porous material having a high temperature catalyst on a surface thereof.

Further, the porous material is at least one of a foamed metal material, a porous ceramic material, a porous zeolite material and a porous silica material.

Further, the high-temperature catalyst is a transition metal oxide catalyst or a noble metal catalyst.

According to some embodiments of the invention, the maximum temperature of the heat generating tube ranges from 300 ℃ to 600 ℃.

According to some embodiments of the invention, the wire mesh is a stainless steel wire mesh or a foamed nickel wire mesh or a foamed copper-based foamed metal wire mesh.

According to some embodiments of the invention, the cooking appliance is an oven or a steam oven.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic view of a cooking appliance.

Reference numerals:

the device comprises a hollow cavity 1, fan blades 2, a rotating shaft 3, a motor 4, a silk screen 5, a heating pipe 6 and a catalytic module 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A cooking appliance according to an embodiment of the present invention is described in detail below with reference to fig. 1.

Referring to fig. 1, the cooking appliance includes: the apparatus body, hot-blast subassembly.

This internal cavity 1 that has of utensil, edible material can be heated in cavity 1, and hot-blast subassembly is located the chamber wall of cavity 1, is favorable to keeping cavity 1 clean and tidy, and hot-blast subassembly does not occupy cavity 1 space. Hot-blast subassembly is used for the produced oil smoke of real-time purification heating edible material, and hot-blast subassembly includes: fan, silk screen 5, heating tube 6, catalytic module 7.

The fan includes: flabellum 2 and pivot 3, flabellum 2 sets up on pivot 3 and rotates along with pivot 3 to one side towards the cavity 1 inside at the fan forms the negative pressure region, in order to realize inhaling the oil smoke in the hot-blast subassembly, it should be said that the fan still includes motor 4, and motor 4 is used for driving pivot 3 rotatory.

The silk screen 5 is located the one side of fan towards the cavity 1 inside, and silk screen 5 sets up in pivot 3 and rotates along with pivot 3, and partial grease granule in the oil smoke can be intercepted to rotatory silk screen 5 high-efficiently, can effectively avoid the deposit of grease granule on catalysis module 7 surface to cover, thereby be favorable to improving hot-blast subassembly's whole life-span.

The heating pipe 6 can heat oil smoke sucked by the fan and carbonize and decompose the oil smoke into organic gases (VOCs), and the heating pipe 6 is arranged adjacent to the screen 5 to heat, carbonize and decompose oil particles intercepted on the screen 5 into the organic gases and suck the organic gases into the hot air assembly by the fan.

The catalysis module 7 is close to the heating tube 6 and is arranged, and the catalysis module 7 is used for catalyzing the gas that the oil smoke decomposes after the heating tube 6, the route when the oil smoke purifies is as shown by the arrow in fig. 1, the grease granule and the oil smoke that the carbonization decomposed into organic gas pass through the silk screen 5 in proper order, the fan, get into the catalysis module 7 behind the heating tube 6, the oil smoke at this moment has been heated by the heating tube 6 and has decomposed into organic gas, the catalysis module 7 can be with organic gas catalysis decomposition into carbon dioxide and water, and with carbon dioxide and water entering cavity 1 in, in order to carry out circulation purification to the oil smoke, prevent that harmful oil smoke from discharging to the external world.

According to the cooking utensil disclosed by the invention, the oil smoke generated by heating food materials can be purified and decomposed in real time, and decomposed substances of the oil smoke are non-toxic and harmless, and do not need secondary treatment, so that the emission of harmful gas is favorably reduced, the environment and the human health are protected, and the cooking experience of a user is improved.

In some embodiments of the present invention, the cavity wall is a rear cavity wall or an upper cavity wall to hide the hot air assembly in the cavity wall of the cooking appliance, the cavity wall is provided with an oil smoke inlet, and oil smoke enters the hot air assembly through the oil smoke inlet.

Further, the oil smoke inlet is opposite to the wire mesh 5 so as to intercept partial grease particles in the oil smoke through the wire mesh 5, thereby effectively avoiding deposition and coverage of the grease particles on the surface of the catalytic module 7 and influencing the catalytic efficiency of the catalytic module 7.

In some embodiments of the present invention, the surface of the wire mesh 5 is provided with a high temperature catalyst coating, and after the grease particles intercepted on the wire mesh 5 are heated, carbonized and decomposed into organic gas, the organic gas can be catalyzed and decomposed into carbon dioxide and water by the high temperature catalyst coating on the surface of the wire mesh 5, so as to facilitate the improvement of the oil smoke purification efficiency of the hot air assembly.

In some embodiments of the present invention, the catalytic module 7 is a porous material having a high temperature catalyst on a surface thereof, the high temperature catalyst can catalytically decompose organic gas formed by decomposing oil smoke into carbon dioxide and water at a high temperature, and the porous material is beneficial to increase a contact area between the catalyst and the oil smoke.

Optionally, the porous material is at least one of a foamed metal material, a porous ceramic material, a porous zeolite material, and a porous silica material.

Alternatively, the high-temperature catalyst is a transition metal oxide catalyst or a noble metal catalyst, the transition metal oxide catalyst can be manganese dioxide or copper, the noble metal catalyst can be platinum or palladium, and cerium oxide for enhancing the catalytic effect can be preferably added to the high-temperature catalyst.

In some embodiments of the present invention, the maximum temperature of the heat-generating tube 6 is in the range of 300 ℃ to 600 ℃ to achieve carbonization and decomposition of the grease particles into organic gases when the grease particles pass through the surface of the heat-generating tube 6.

Optionally, the wire mesh 5 is a stainless wire mesh or a nickel foam wire mesh or a copper foam wire mesh, and the wire mesh rotates along with the rotating shaft 3, intercepts grease particles colliding with the wire mesh in the rotating process, and decomposes the intercepted grease particles into organic gas under the radiation heating of the heating tube 6 beside.

In some embodiments of the present invention, the cooking appliance is an oven or a steam oven, and multiple sets of heating tubes 6 and catalytic modules 7 are disposed in the hot air assembly, so as to facilitate improvement of oil smoke purification capability of the oven or the steam oven.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.