CN217243746U

CN217243746U - Superheated steam cooking device

Info

Publication number: CN217243746U
Application number: CN202122087541.0U
Authority: CN
Inventors: 郑伟
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-08-23
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to an overheated steam cooking device, including the inner bag that has the culinary art chamber and set up the steam generator outside the inner bag, still include for the independent heating chamber that just communicates with culinary art chamber fluid of culinary art chamber, heat the intracavity and be provided with first heating pipe, steam generator's export is linked together with the heating chamber. This superheated steam culinary art device, be independent of the culinary art chamber and set up the heating chamber, utilize the first heating pipe that sets up in the finite space in the heating chamber and it, be used for heating in order to form superheated steam specially to steam, then carry to the culinary art intracavity again, the setting up of heating chamber has improved steam heat transfer volume greatly and heating efficiency is fast, has guaranteed to carry to the latent heat that the superheated steam of culinary art intracavity carried, has avoided sending into the condition that the superheated steam heat energy in the culinary art intracavity is not up to standard.

Description

Superheated steam cooking device

Technical Field

The utility model relates to a superheated steam cooking device.

Background

Along with the improvement of living standard of people, people need the continuous extension of the demand dimension of culinary art, not only must cook the health of food, but also must guarantee the taste of cooking food. Therefore, the steaming and baking integrated machine and the steaming and baking micro integrated machine with steaming and baking functions also need to have corresponding functions to match with the requirements of users. Cooking device is when using the function of evaporating, and the steam that usually uses is the saturated steam of 100 degrees centigrade, and the contact of saturated steam and the indoor surface of culinary art produces condensation drop easily, and on condensation drop fell into food easily, still need absorb the heat, extravagant electric power resource promptly, influences the food taste again.

The culinary art mode that adopts superheated steam to heat appears thereupon, adopt the temperature to be greater than 100 ℃ steam promptly and cook, latent heat that superheated steam that is greater than 100 ℃ contains is big, certain advantage occasionally heats difficult food, superheated steam and heating pipe cooperation heating can be when promoting food heating efficiency simultaneously, because the latent heat that superheated steam carried is more, have better heating penetrability, can provide better taste when cooking partial food, avoid food to dry. The existing cooking device of a steaming oven generally leads water vapor heated to 100 ℃ into an inner container filled with food, and then a heating pipe is used for heating the water vapor in the inner container. For example, in the published steam cooking device of "a secondary heating mechanism of an embedded electric steam box" of the chinese utility model with the publication number CN201888712U (application number 201020558568.2), the generated steam is introduced into the inner container, and the steam is secondarily heated by the electric heating tube in the inner container to form superheated steam. However, the volume of the inner container of the cooking device is generally large, and particularly, in a steaming and baking combined cooking appliance, the volume of the inner container is compatible with baking food, and the volume of the inner container is generally larger than 30L, so that the distance between the water vapor and the heating element of the heating pipe is far, the heating efficiency of the heating pipe to the water vapor is low, the water vapor in the inner container cannot be in full contact with the heating pipe to heat to form superheated water vapor with higher temperature, and meanwhile, the water vapor in the inner container is quickly discharged out of the heating device, and the waste heat of the water vapor in the inner container cannot be fully recycled.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that provide one kind can carry out the abundant heating to steam to above-mentioned prior art, the high superheated steam cooking device that just heats efficiency is fast of heat transfer gauge.

The utility model aims to solve the second technical problem that a provided exhaust steam in the recycle inner bag to above-mentioned prior art, make full use of steam waste heat for the superheated steam who inputs in to the inner bag lasts, stable superheated steam culinary art device.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a superheated steam cooking device, includes the inner bag that has the culinary art chamber and sets up the steam generator outside the inner bag, its characterized in that: still include for the culinary art chamber independently and with the heating chamber of culinary art chamber fluid intercommunication, be provided with first heating pipe in the heating chamber, steam generator's export is linked together with the heating chamber.

In order to enable the superheated steam formed by heating to enter the cooking cavity more quickly and reduce the heat loss of the superheated steam, the cooking cavity and the heating cavity are relatively independent through a partition plate, and small holes for realizing fluid communication are formed in the partition plate.

Optionally, an isolation cover is buckled outside one liner wall of the inner liner, and the isolation cover and the liner wall of the inner liner enclose to form the heating cavity; the liner wall of the liner forms the isolation board; or

The isolating plate is arranged in the inner container to isolate the space in the inner container into the cooking cavity and the heating cavity.

In order to heat the steam to provide heat energy for the superheated steam and further heat the superheated steam entering the cooking cavity, the heat loss of the superheated steam is reduced as much as possible, and a second heating pipe is arranged in the cooking cavity at a position close to the isolation plate.

Preferably, the distribution planes of the first and second heating pipes are parallel to the plane of the partition plate, and the distribution area of the first heating pipe is complementary to the distribution area of the second heating pipe so as to be able to cover the covering area of the heating chamber on the partition plate.

In order to make the heating of the steam more uniform and ensure the uniformity of the heat quantity of the superheated steam input into the cooking cavity, the second heating pipe is positioned at the periphery of the first heating pipe.

Preferably, the small holes are arranged corresponding to the distribution positions of the first heating pipes.

In order to realize better cooking effect, the heating cavity is positioned at the top of the inner container.

The utility model provides a technical scheme that above-mentioned second technical problem adopted is: the outlet of the steam generator is communicated with the heating cavity through a conduit;

the steam recycling device is characterized in that a steam exhaust hole is formed in the side wall of the inner container, a steam recycling cavity is arranged outside the inner container and corresponds to the steam exhaust hole, a fan is arranged in the steam recycling cavity, and the steam recycling cavity is communicated with the guide pipe through a return pipe.

In order to preheat the discharged low-temperature steam in advance and ensure that the steam enters the heating cavity at the later stage and can be heated to form superheated steam meeting the requirements, a third heating pipe is arranged in the steam recovery cavity.

Preferably, the outer edge of the fan blade of the fan is bent to have a tendency to push the fluid to the return pipe connection position.

The steam recovery device is simple in structure, the outer side wall of the inner container is buckled with the cover shell, and the steam recovery cavity is formed between the cover shell and the side wall of the inner container in an enclosing mode.

Preferably, the steam exhaust hole is formed in the rear side wall of the inner container, and the steam recovery cavity is formed in the outer side of the rear side wall of the inner container.

Compared with the prior art, the utility model has the advantages of: the utility model provides an overheated steam culinary art device, be independent of the culinary art chamber and set up the heating chamber, utilize the finite space in the heating chamber and the first heating pipe that sets up in it, be used for heating in order to form overheated steam specially to steam, then carry to the culinary art intracavity again, the setting in heating chamber has improved greatly that steam heat transfer volume is high and heating efficiency is fast, has guaranteed to carry to the latent heat that the overheated steam of culinary art intracavity carried, has avoided sending into the condition that the overheated steam heat energy in the culinary art intracavity is not up to standard.

Drawings

Fig. 1 is a perspective view of a superheated steam cooking device according to an embodiment of the present invention.

Fig. 2 is an exploded perspective view of the superheated steam cooking device according to the embodiment of the present invention.

Fig. 3 is a sectional view of the superheated steam cooking device according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, the superheated steam cooking device in this embodiment includes an inner container 1 having a cooking cavity 10, a steam generator 2 disposed outside the inner container 1, and a heating cavity 30 independent from the cooking cavity 10 and in fluid communication with the cooking cavity 10, wherein a first heating pipe 4 is disposed in the heating cavity 30, an outlet of the steam generator 2 is communicated with the heating cavity 30, in this embodiment, an outlet of the steam generator 2 is communicated with the heating cavity 30 through a conduit 6, that is, a connection port is opened on a cavity wall of the heating cavity 30, and the conduit 6 is connected between the outlet of the steam generator and the connection port of the heating cavity 30.

The fluid communication between the heating cavity 30 and the cooking cavity 10 can be realized by various structures, such as a pipeline, but in order to enable the superheated steam formed by heating to enter the cooking cavity 10 more quickly and reduce the heat loss of the superheated steam on the flow path from the heating cavity 30 to the cooking cavity 10, the cooking cavity 10 in the embodiment is relatively independent from the heating cavity 30 through a partition plate, that is, two relatively independent cavities are formed between the heating cavity 30 and the cooking cavity 10 only through the partition plate, and the partition plate is provided with small holes 11 for realizing fluid communication, so that the superheated steam formed by heating in the heating cavity 30 directly enters the cooking cavity 10 through the small holes 11 with almost no heat energy loss.

The cooking cavity 10 and the heating cavity 30 are independent relatively, and the structure is also diversified, if the box body structure can be directly arranged on the liner wall of the inner container 1, the heating cavity 30 is formed in the space in the box body, and the box body wall and the liner wall of the inner container 1, which are attached to each other, form the isolating plate.

In order to reduce the thickness of the partition board and reduce the heat loss as much as possible, the partition board may be provided in the inner container 1 to partition the space in the inner container 1 into the cooking chamber 10 and the heating chamber 30. In the embodiment, an isolation cover 3 is buckled outside one liner wall of the liner 1, and a heating cavity 30 is formed between the isolation cover 3 and the liner wall of the liner 1 in a surrounding manner; the liner wall of the liner 1 forms a partition board. During cooking, the supply of superheated steam above the cooked object is more beneficial to the cooking effect, so in this embodiment, the heating chamber 30 is disposed at the top of the inner container 1, i.e. the isolation cover 3 is fastened on the top wall of the inner container 1.

The second heating pipe 5 is arranged at a position close to the partition plate in the cooking cavity 10, so that on the basis that steam in the heating cavity 30 is heated to provide heat for assisting in the superheated steam process, superheated steam entering the cooking cavity 10 can be further heated, the heat loss of the superheated steam is reduced as much as possible, and the cooking effect of the superheated steam is guaranteed. In this embodiment, the second heating tube 5 is disposed on the top of the inner container 1.

In addition, the heating chamber 30 is integrally a flat cavity attached to the plane of the partition plate, in order to improve the heating effect, the distribution planes of the first heating pipe 4 and the second heating pipe 5 are parallel to the plane of the partition plate, and the distribution area of the first heating pipe 4 is complementary to the distribution area of the second heating pipe 5, so that the coverage area of the heating chamber 30 on the partition plate can be covered. This ensures that the steam in the heating chamber 30 and the superheated steam just entering the cooking chamber 10 can be heated evenly. In order to further improve the heating uniformity of the steam, the heat uniformity of the superheated steam inputted into the cooking chamber 10 is ensured. The first heating pipe 4 and the second heating pipe 5 are both in an annular shape, and the second heating pipe 5 is located on the outer periphery of the first heating pipe 4. And the distribution position setting that aperture 11 corresponds to first heating pipe 4 so guarantees that the superheated steam that gets into in the culinary art chamber 10 all can get into in the culinary art chamber 10 after guaranteeing that steam fully absorbs the heat through the position that is close to first heating pipe 4.

The side wall of the inner container 1 is provided with steam discharge holes 12 for discharging steam in the cooking cavity 10, if the steam is directly discharged, a user can be scalded, or the application environment of the superheated steam cooking device is caused to generate a lot of steam. In the present embodiment, a steam recovery cavity 70 is disposed outside the inner container 1 and corresponding to the steam exhaust hole 12 for recovering and utilizing the exhausted steam, so that on one hand, the operating energy consumption of the steam generator 2 is reduced, and on the other hand, the heat of the exhausted steam can be recovered and utilized. In this embodiment, the casing 7 is fastened outside the sidewall of the inner container 1, and a steam recovery cavity 70 is defined between the casing 7 and the sidewall of the inner container 1. The vapor recovery chamber 70 is preferably disposed outside the rear side wall of the inner container 1.

The steam recovery chamber 70 is connected to the conduit 6 through the return pipe 61, and when the steam recovery chamber is installed, a three-way valve may be connected to the middle of the conduit 6, so as to connect the return pipe 61 and the conduit 6. In order to preheat the discharged low-temperature steam in advance and ensure that the low-temperature steam enters the heating cavity 30 at the later stage and can be heated to form superheated steam meeting the requirement, a third heating pipe 9 is arranged in the steam recovery cavity 70.

The fan 8 is further arranged in the steam recovery cavity 70, and the circulating flow of the steam among the cooking cavity 10, the return pipe 61, the heating cavity 30 and the cooking cavity 10 can be effectively realized through the rotation of the fan 8. The outer edge of the fan blade 81 of the fan 8 is bent to have a tendency to push the fluid toward the connection position of the return pipe 61, and in this embodiment, the outer edge of the fan blade 81 is bent by 90 °.

This superheated steam cooking device uses superheated steam to cook, 2 work of steam generator is in order to produce steam, steam that steam generator 2 produced enters into heating chamber 30 through pipe 6 in, then first heating pipe 4 heats steam, second heating pipe 5 is supplementary to heat steam simultaneously, steam absorbs the heat fast in heating chamber 30's effective space and then forms superheated steam, superheated steam enters into cooking chamber 10 through aperture 11 on the division board in, superheated steam can avoid the heat energy loss when passing through second heating pipe 5, further heat even, form the higher superheated steam of heat formation, superheated steam acts on cooking the thing in order to realize superheated steam and cooks, superheated steam's heat is absorbed by cooking the thing, the temperature descends thereupon. With the action of the fan 8, the used steam can be discharged into the steam recovery chamber 70 through the steam discharge hole 12 on the rear side wall of the inner container 1, the recovered steam can be preheated by the third heating pipe 9 in the recovery chamber and then conveyed into the guide pipe 6, the guide pipe 6 is internally provided with the preheated recovered steam and the steam generated by the evaporation generator, the fluid can be flushed into the heating chamber 30 at a certain speed under the wind pressure action of the fan 8, the superheated steam is formed after heating and then conveyed into the cooking chamber 10 for use, because the aperture of the small hole 11 on the partition board is small, the air flow speed entering the cooking chamber 10 in the heating chamber 30 is faster, the superheated steam can be flushed towards the food placed on the steaming tray or the grill in the inner container 1 at a higher speed, the time interval before the superheated steam contacts the food is reduced, and meanwhile, the higher speed of the superheated steam can make the food and the superheated steam fully contact, ultimately reducing the heat loss carried by the superheated steam. The circulation ensures continuous and stable heat energy of the superheated steam and improves the cooking effect.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.

Claims

1. A superheated steam cooking device comprising an inner container (1) having a cooking cavity (10) and a steam generator (2) disposed outside the inner container (1), characterized in that: still include for culinary art chamber (10) independent and with culinary art chamber (10) fluid communication's heating chamber (30), be provided with first heating pipe (4) in heating chamber (30), the export of steam generator (2) is linked together with heating chamber (30).

2. The superheated steam cooking device according to claim 1, wherein: the cooking cavity (10) and the heating cavity (30) are relatively independent through a partition plate, and small holes (11) used for achieving fluid communication are formed in the partition plate.

3. The superheated steam cooking device according to claim 2, wherein: an isolation cover (3) is buckled outside one liner wall of the liner (1), and a heating cavity (30) is formed between the isolation cover (3) and the liner wall of the liner (1); the liner wall of the liner (1) forms the isolation board; or

The inner container (1) is internally provided with the isolating plate to isolate the space in the inner container (1) into the cooking cavity (10) and the heating cavity (30).

4. The superheated steam cooking device according to claim 2, wherein: a second heating pipe (5) is arranged in the cooking cavity (10) at a position close to the isolation plate.

5. The superheated steam cooking device according to claim 4, wherein: the distribution planes of the first heating pipe (4) and the second heating pipe (5) are parallel to the plane of the partition plate, and the distribution area of the first heating pipe (4) is complementary with the distribution area of the second heating pipe (5) and can cover the covering area of the heating cavity (30) on the partition plate.

6. The superheated steam cooking device according to claim 5, wherein: the second heating pipe (5) is positioned at the periphery of the first heating pipe (4).

7. The superheated steam cooking device according to claim 5 or 6, wherein: the small holes (11) are arranged corresponding to the distribution positions of the first heating pipes (4).

8. The superheated steam cooking device according to any one of claims 1 to 6, wherein: the heating cavity (30) is positioned at the top of the inner container (1).

9. The superheated steam cooking device according to any one of claims 1 to 6, wherein: the outlet of the steam generator (2) is communicated with the heating cavity (30) through a conduit (6);

the steam recycling device is characterized in that a steam exhaust hole (12) is formed in the side wall of the inner container (1), a steam recycling cavity (70) is arranged at the position, corresponding to the steam exhaust hole (12), outside the inner container (1), a fan (8) is arranged in the steam recycling cavity (70), and the steam recycling cavity (70) is communicated with the guide pipe (6) through a return pipe (61).

10. The superheated steam cooking device according to claim 9, wherein: and a third heating pipe (9) is arranged in the steam recovery cavity (70).

11. The superheated steam cooking device according to claim 9, wherein: the outer edge of a fan blade (81) of the fan (8) is bent, so that the trend of pushing fluid to the connection position of the return pipe (61) is realized.

12. The superheated steam cooking device according to claim 9, wherein: the side wall of the inner container (1) is externally buckled with a cover shell (7), and the steam recovery cavity (70) is formed between the cover shell (7) and the side wall of the inner container (1).

13. The superheated steam cooking device according to claim 9, wherein: the steam exhaust hole (12) is formed in the rear side wall of the inner container (1), and the steam recovery cavity (70) is formed in the outer side of the rear side wall of the inner container (1).