CN211673843U - Electric oven - Google Patents
Electric oven Download PDFInfo
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- CN211673843U CN211673843U CN201922502167.9U CN201922502167U CN211673843U CN 211673843 U CN211673843 U CN 211673843U CN 201922502167 U CN201922502167 U CN 201922502167U CN 211673843 U CN211673843 U CN 211673843U
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Abstract
The utility model belongs to the technical field of cooking utensil, concretely relates to electric oven. The utility model provides an electric oven includes casing and oil smoke circulating channel, is equipped with the heating chamber in the casing, and oil smoke circulating channel still is equipped with combustion catalyst including air intake and the air outlet that is linked together with the heating chamber respectively in the oil smoke circulating channel, and combustion catalyst is used for promoting the oil smoke to carry out catalytic combustion. According to the utility model provides an electric oven, through setting up the oil smoke circulating channel that is linked together with the heating chamber, and set up the combustion catalyst in oil smoke circulating channel, when the electric oven cooks, the high temperature oil smoke of heating intracavity can enter into to oil smoke circulating channel in and contact with the combustion catalyst through the air intake, the high temperature oil smoke carries out catalytic combustion under the effect of combustion catalyst, in this circulation process, promote the oil smoke through the combustion catalyst and carry out catalytic combustion, can reduce the oil smoke that the electric oven produced in the culinary art process effectively, thereby reduce the harm of oil smoke to the human body.
Description
Technical Field
The utility model belongs to the technical field of cooking utensil, concretely relates to electric oven.
Background
The electric oven is used as a kitchen appliance for baking and cooking, and a large amount of oil smoke is easily generated in the baking process. The oil smoke can bring great harm to human body, and especially under the condition of high-temperature (more than 200 ℃) cooking, the content of carcinogenic substances in the oil smoke can be increased rapidly. In the cooking process, oil smoke can leak outwards from gaps of the electric oven or the opening of the electric oven, so that the serious influence is caused on the human health.
Currently there are mainly two solutions:
(1) the range hood is opened in the using process of the electric oven, and the oil smoke is pumped away.
(2) The using temperature of the electric oven is reduced, the scheme can effectively reduce the oil smoke generation amount, but the cooking time can be greatly prolonged, and the cooking effect of certain dishes can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the electric oven easily produces a large amount of oil smoke in the cooking process at least.
The utility model provides an electric oven, electric oven includes:
the heating device comprises a shell, wherein a heating cavity is arranged in the shell;
oil smoke circulating channel, oil smoke circulating channel including respectively with air intake and air outlet that the heating chamber is linked together, still be equipped with combustion catalyst in the oil smoke circulating channel, combustion catalyst is used for promoting the oil smoke and carries out catalytic combustion.
According to the utility model provides an electric oven is through setting up the oil smoke circulating channel that is linked together with the heating chamber to set up combustion catalyst in oil smoke circulating channel, when the electric oven cooks, the high temperature oil smoke that produces by heating chamber heating food can enter into to oil smoke circulating channel in and contact with combustion catalyst through the air intake. The high-temperature oil smoke is catalyzed and combusted under the action of a combustion catalyst to generate CO2And H2And O, and returns to the heating cavity again through the air outlet along with the hot air flow. In the circulation process, the oil smoke is promoted to be catalyzed and combusted through the combustion catalyst, so that the oil smoke generated in the cooking process of the electric oven can be effectively reduced, and the harm of the oil smoke to a human body is reduced.
Simultaneously, because the combustion catalyst promotes the oil smoke to carry out catalytic combustion, reduced the oil smoke total amount in the heating chamber, reduced the oil smoke in the heating chamber after the condensation and formed the possibility of oil stain at the inner wall in heating chamber, be convenient for wash the heating chamber.
In addition, according to the utility model discloses an electric oven still can have following additional technical characterstic:
the utility model discloses an in some embodiments, still be equipped with the fan in the oil smoke circulating channel, the oil smoke circulating channel is including being located the fan with inlet air channel between the air intake with be located the fan with air-out passageway between the air outlet, combustion catalyst locates in the inlet air channel.
In some embodiments of the present invention, the fan is a hot air fan.
The utility model discloses an in some embodiments, still be equipped with the carrier in the oil smoke circulating channel, the carrier with the internal face of oil smoke circulating channel is connected, combustion catalyst adhere to on the carrier and be used for contacting with the oil smoke.
In some embodiments of the present invention, the combustion catalyst is any one of a noble metal catalyst, a complex oxide catalyst, and a transition metal hydride catalyst.
In some embodiments of the present invention, the support is a metal support or a ceramic support, and/or the structure of the support is a spherical structure, a sheet structure, or a honeycomb structure.
In some embodiments of the present invention, the air inlet is disposed at the top of the heating chamber, and the air outlet is disposed at the bottom of the heating chamber.
The utility model discloses an in some embodiments, the electric oven is still including a body, the air intake is located the heating chamber with the top of the relative backplate that sets up of the door body, the air outlet is located be close to on the bottom plate in heating chamber the one end of the door body.
In some embodiments of the present invention, the top plate of the heating chamber is an arch plate, and the joints of the top plate and the side plate of the heating chamber and the joints of the bottom and the side plate all adopt circular arc transition.
In some embodiments of the present invention, the oil smoke circulation passage is provided inside the housing.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. Wherein:
fig. 1 is a schematic view of a connection structure between an oil smoke circulation passage and a heating cavity of an electric oven according to an embodiment of the present invention;
fig. 2 is a front view of the electric oven of fig. 1.
The reference numerals in the drawings denote the following:
100: an electric oven;
10: a housing;
20: heating chamber, 21: back plate, 22: bottom plate, 23: top plate, 24: left side plate, 25: a right side plate;
30: oil smoke circulation passage, 31: a fan, 32: air inlet channel, 33: air outlet duct, 34: air inlet, 35: air outlet, 36: a carrier;
40: a door body.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Fig. 1 is a schematic view illustrating a connection structure between a cooking fume circulation path 30 and a heating cavity 20 of an electric oven 100 according to an embodiment of the present invention. Fig. 2 is a front view of the electric oven 100 of fig. 1. As shown in fig. 1 and 2, in some embodiments of the present invention, the electric oven 100 includes a housing 10 and an oil smoke circulation channel 30, a heating cavity 20 is disposed in the housing 10, the oil smoke circulation channel 30 includes an air inlet 34 and an air outlet 35 respectively communicated with the heating cavity 20, a combustion catalyst is disposed in the oil smoke circulation channel 20, and the combustion catalyst can promote the oil smoke to perform catalytic combustion.
According to the utility model provides an electric oven 100 is through setting up the oil smoke circulating channel 30 that is linked together with heating chamber 20 to set up combustion catalyst in oil smoke circulating channel 30, when electric oven 100 cooks, the high temperature oil smoke that produces by heating chamber 20 heating food can enter into to oil smoke circulating channel 30 in through air intake 34 and contact with combustion catalyst. The high-temperature oil smoke is catalyzed and combusted under the action of a combustion catalyst and generatesTo CO2And H2O and returns to the heating chamber 20 again through the air outlet 35 with the hot air flow. In the circulation process, the combustion catalyst promotes the catalytic combustion of the oil smoke, so that the oil smoke generated in the cooking process of the electric oven 100 can be effectively reduced, and the harm of the oil smoke to human bodies is reduced.
Meanwhile, the combustion catalyst promotes the oil smoke to perform catalytic combustion, so that the total amount of the oil smoke in the heating cavity 20 is reduced, the possibility that the oil smoke in the heating cavity 20 forms oil stains on the inner wall of the heating cavity 20 after being condensed is reduced, and the heating cavity 20 is convenient to clean.
As shown in fig. 1 and 2, in some embodiments of the present invention, a fan 31 is further disposed in the oil smoke circulation channel 20, an air inlet channel 32 is disposed between the fan 31 and an air inlet 34, an air outlet channel 33 is disposed between the fan 31 and an air outlet 35, and a carrier 36 is further disposed in the oil smoke circulation channel 30. The carrier 36 is connected to an inner wall surface of the soot circulation passage 30, and the combustion catalyst is attached to the carrier 36 and can contact soot.
The fan 31 may be a hot air fan. The hot air blower can further heat the oil smoke in the oil smoke circulation channel 30, so that the oil smoke in the oil smoke circulation channel 30 is ensured to have enough temperature for catalytic combustion. In other embodiments of the present invention, other types of fans can be selected, but it should be ensured that the oil smoke still retains sufficient temperature for catalytic combustion after passing through the fan 31. Normally, the temperature of the oil smoke in the oil smoke circulation channel 30 should be kept above 200 ℃. In some other embodiments of the present invention, a heating element for further heating the oil smoke may be disposed in the oil smoke circulation passage 30, so as to further ensure that the oil smoke has a sufficient catalytic temperature.
The carrier 36 may be disposed in the air inlet channel 32 or the air outlet channel 33, and both can convey the soot into the carrier 36 and contact with the combustion catalyst through the action of the fan 31, thereby promoting catalytic combustion of the soot. Preferably, the catalyst carrier 36 is disposed in the air inlet channel 32, and the oil smoke is catalyzed and combusted under the action of the combustion catalyst to generate CO2And H2O。H2O forms water vapor under the action of the fan 31 and enters the heating cavity 20 through the air outlet 35, and heats the food again, thereby effectively preventing H2O is condensed in the soot circulation passage 30 to generate liquid water. The liquid water generated for a long time can damage the fan 31, thereby affecting the catalytic combustion of the oil smoke in the heating cavity 20 by the oil smoke circulation passage 30.
In some embodiments of the present invention, the combustion catalyst may be any one of a noble metal catalyst, a composite oxide catalyst, or a transition metal hydride catalyst. Noble metal catalysts such as Pt (platinum), Pd (palladium) and Ru (ruthenium), composite oxide catalysts such as perovskite and spinel, and MnOx、CoOxAnd CuOxTransition metal hydride catalysts are used, thereby allowing a wide variety of options for combustion catalysts.
In some embodiments of the present invention, the carrier 36 is a metal carrier or a ceramic carrier, and the shape thereof may be spherical, flaky or honeycomb-shaped, and for the planar carrier, the shape of the carrier 36 may be set to increase the contact area between the combustion catalyst and the oil smoke more greatly, so as to promote the oil smoke catalytic combustion better. The carrier 36 is disposed in the air inlet channel 32 in a certain shape. Preferably, the carrier 36 should be filled with the air intake channel 32, a channel for oil smoke to flow through is provided in the carrier 36, and a combustion catalyst is coated on the surface of the channel for oil smoke to flow through, so that the oil smoke is sufficiently catalyzed, and the oil smoke is completely catalyzed and combusted.
In some embodiments of the present invention, the oil smoke circulation passage 30 is disposed inside the housing 10, the oil smoke circulation passage 30 is defined between the inner wall of the housing 10 and the outer wall of the heating chamber 20, and the carrier 36 and the combustion catalyst are disposed between the inner wall of the housing 10 and the outer wall of the heating chamber 20. In some other embodiments of the present invention, a passage structure communicating with the heating chamber 20 may be separately provided between the housing 10 and the heating chamber 20, and the carrier 36 and the combustion catalyst may be provided in the passage structure. In some other embodiments of the present invention, a channel structure communicating with the heating chamber 20 may be provided outside the housing 10, and the carrier 36 and the combustion catalyst may be provided in the channel structure.
In some embodiments of the present invention, the air inlet 34 is disposed at the top of the heating chamber 20, and the air outlet 35 is disposed at the bottom of the heating chamber 20. Because the hot air generated in the heating cavity 20 flows upwards, the air inlet 34 is arranged at the top of the heating cavity 20, and the air outlet 35 is arranged at the bottom of the heating cavity 20, the oil smoke generated in the heating cavity 20 can be more fully sucked into the oil smoke circulating channel 30 to be catalytically combusted, and the oil smoke content in the heating cavity 20 is reduced. Meanwhile, the air inlet 34 is arranged at the top of the heating cavity 20, and the air outlet 35 is arranged at the bottom of the heating cavity 20, so that airflow in the heating cavity 20 can be promoted to flow, a speed stagnation area is prevented from being formed at the edge of the interior of the heating cavity 20, and the uniformity of the temperature of each part in the heating cavity 20 is ensured.
In some embodiments of the present invention, the heating cavity 20 includes a back plate 21, a bottom plate 22, a top plate 23, a left side plate 24 and a right side plate 25, the electric oven 100 further includes a door 40, and the back plate 21, the bottom plate 22, the top plate 23, the left side plate 24, the right side plate 25 and the door 40 jointly define the heating cavity 20. The air inlet 34 may be disposed on the top of any one of the left side plate 24, the right side plate 25 and the top plate 23, and can sufficiently absorb the oil smoke in a circulating manner. In view of preventing both sides of the electric oven 100 from being overheated during normal use and affecting the normal operation of a person, it is preferable that the air inlet 34 is disposed at the top of the back plate 21 of the heating cavity 20 opposite to the door 40, and the air outlet 35 is disposed at one end of the bottom plate 22 of the heating cavity 20 close to the door 40.
In some embodiments of the present invention, the top plate 23 of the heating cavity 20 is an arch plate, and the joints of the top plate 23 and the side plates of the heating cavity 20 and the joints of the bottom 22 and the side plates all adopt circular arc transition. Through set up the circular arc transition between the inner wall of heating chamber 20, can further accelerate the air current flow in the heating chamber 20, prevent to form the stagnant area of speed in the inside edges and corners of heating chamber 20, guarantee the uniformity of heating chamber 20 interior everywhere temperature.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An electric oven, comprising:
the heating device comprises a shell, wherein a heating cavity is arranged in the shell;
oil smoke circulating channel, oil smoke circulating channel including respectively with air intake and air outlet that the heating chamber is linked together, still be equipped with combustion catalyst in the oil smoke circulating channel, combustion catalyst is used for promoting the oil smoke and carries out catalytic combustion.
2. The electric oven according to claim 1, wherein a fan is further disposed in the fume circulation channel, the fume circulation channel comprises an air inlet channel between the fan and the air inlet and an air outlet channel between the fan and the air outlet, and the combustion catalyst is disposed in the air inlet channel.
3. The electric oven of claim 2 wherein the air mover is a hot air mover.
4. The electric oven according to claim 1, wherein a carrier is further provided in the oil smoke circulation passage, the carrier is connected to an inner wall surface of the oil smoke circulation passage, and the combustion catalyst is attached to the carrier and is used for contacting with the oil smoke.
5. The electric oven of claim 4, wherein the combustion catalyst is any of a noble metal catalyst, a complex oxide catalyst, and a transition metal hydride catalyst.
6. The electric oven according to claim 4, characterized in that the carrier is a metal carrier or a ceramic carrier and/or the structure of the carrier is a spherical structure, a sheet structure or a honeycomb structure.
7. The electric oven of claim 1, wherein the air inlet is disposed at the top of the heating cavity and the air outlet is disposed at the bottom of the heating cavity.
8. The electric oven according to claim 7, further comprising a door, wherein the air inlet is disposed at a top of the back plate of the heating cavity opposite to the door, and the air outlet is disposed at an end of the bottom plate of the heating cavity close to the door.
9. The electric oven according to any of the claims 1 to 8, wherein the top plate of the heating cavity is a dome plate, and the junction of the top plate and the side plate of the heating cavity and the junction of the bottom and the side plate adopt circular arc transition.
10. The electric oven according to any of claims 1 to 8, wherein the cooking fume circulation passage is provided inside the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502167.9U CN211673843U (en) | 2019-12-31 | 2019-12-31 | Electric oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502167.9U CN211673843U (en) | 2019-12-31 | 2019-12-31 | Electric oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211673843U true CN211673843U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922502167.9U Active CN211673843U (en) | 2019-12-31 | 2019-12-31 | Electric oven |
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| Country | Link |
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| CN (1) | CN211673843U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055191A (en) * | 2022-05-30 | 2022-09-16 | 青岛海尔智慧厨房电器有限公司 | Catalyst and cooking equipment with purification function and containing same |
| KR20220159134A (en) * | 2021-05-25 | 2022-12-02 | 이호진 | Fish oven apparatus for preventing smoke and odor |
| WO2024087077A1 (en) * | 2022-10-26 | 2024-05-02 | 深圳市虎一科技有限公司 | Air fryer, air frying device, cooking device, and cleaning method therefor |
-
2019
- 2019-12-31 CN CN201922502167.9U patent/CN211673843U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220159134A (en) * | 2021-05-25 | 2022-12-02 | 이호진 | Fish oven apparatus for preventing smoke and odor |
| KR102480162B1 (en) * | 2021-05-25 | 2022-12-30 | 주식회사 마이다스커뮤니케이션 | Fish oven apparatus for preventing smoke and odor |
| CN115055191A (en) * | 2022-05-30 | 2022-09-16 | 青岛海尔智慧厨房电器有限公司 | Catalyst and cooking equipment with purification function and containing same |
| WO2024087077A1 (en) * | 2022-10-26 | 2024-05-02 | 深圳市虎一科技有限公司 | Air fryer, air frying device, cooking device, and cleaning method therefor |
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