CN213248555U - Steam oven with hot air convection structure - Google Patents

Abstract

The utility model belongs to the technical field of steam ovens, in particular to a steam oven with a hot air convection structure, which comprises a box body, a door component, a baking chamber, a water tank and a steam generating device; this steam oven is still including locating gridion in the roast room with be located the hot-blast convection current device of box rear end, this hot-blast convection current device is including locating variable speed motor on the box, locate this variable speed motor output and be located convection current flabellum in the roast room and two electric heating pipe around this convection current flabellum outlying, two electric heating pipe's power adopts different parameter settings. The utility model discloses the application can realize the double-barrelled electric heating pipe of controllable independent high-low power and the two fast convection current motors of high-low gear, realizes the heat convection through using high-low gear rotational speed, combines the structural assembly design of convection fan housing, realizes the heat evenly distributed in the furnace chamber, can satisfy the high temperature steam that forms the fast convection in the furnace chamber again, can start the effect that "big fire" mode realization "air was fried" even.

Description

Steam oven with hot air convection structure

Technical Field

The utility model belongs to the technical field of steam oven, especially, relate to a steam oven with hot-blast convection current structure.

Background

For a user of the steam oven, the steam oven is usually allowed to have more powerful functions so as to satisfy more food cooking modes required by the user; for example, the steam oven has the air frying function, so that foods such as french fries, chicken wings and the like can be prepared, and the steam oven can directly replace an air fryer, which is popular among users. The steam oven can realize the function of 'air frying', the temperature requirements on each point of the space of the oven chamber are higher, the whole oven chamber needs to be ensured to be continuously in a high-temperature environment and in a state of rapid hot air convection, the effect of 'frying' can be achieved, and the cooked food has better taste.

However, in the steam oven on the market at present, to reach real "air-fry" function, the cooking effect is not actual, and what some merchants promote is more a "gimmick" selling point. The reason is that the heating tube of the steam oven with the existing structure is only arranged in a snake shape, the power is single, and the rotating speed of the shaded pole motor is fixed, so that the temperature in the oven cavity is not high, the convection speed of hot air is not high, the uniformity of the temperature in the oven is poor, the better air frying effect is difficult to realize, and the configuration of the structure can only meet the requirement of baking some common foods.

In view of the above problems and disadvantages, it is desirable to design a new hot air convection function of a steam oven to achieve uniform temperature at each space position in the oven cavity and realize an "air-blast" mode. Can improve the cooking effect like this, promote consumer's culinary art and experience the sense, regard as a enjoyment to the use of steam oven, adjust the good atmosphere of house life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam oven with hot-blast convection current structure, it is single, the homogeneity of furnace temperature is poor to aim at solving the steam oven furnace intracavity furnace temperature among the prior art, and hot-blast convection current effect is not good, is difficult to have the technical problem of the "air of preferred explodes" effect concurrently.

In order to achieve the above object, an embodiment of the present invention provides a steam oven with a hot air convection structure, which comprises a box body, a door assembly pivoted to the box body, a holding chamber arranged in the inner cavity of the box body, and a water tank and a steam generator arranged in the space formed by the baking chamber and the box body. This structural design realizes roast culinary art function of steaming in the roast room.

Optionally, the steam oven further comprises:

the grill is arranged in the baking chamber and used for supporting the steamed and baked food;

the hot air convection device is positioned at the rear end of the box body and is used for carrying out hot air convection heating on the steamed and roasted food on the grill; the electric heating oven comprises a variable speed motor arranged on the oven body, a convection fan blade arranged at the output end of the variable speed motor and positioned in the oven chamber and two electric heating pipes surrounding the periphery of the convection fan blade, wherein the power of the two electric heating pipes is set by adopting different parameters. The structural design realizes switching according to the temperature requirement of cooking food, meets the cooking effect, and realizes better 'air frying' effect.

Optionally, the hot air convection device further comprises a convection fan housing, and the convection fan housing is in sealing fit with the rear plate of the baking chamber; the convection fan blades and the two electric heating pipes are arranged in a space formed by the convection fan cover and the rear plate of the baking chamber. The structural design realizes the hot air convection circulation effect, strengthens the temperature uniformity of the baking chamber and improves the heat energy use efficiency.

Optionally, an air inlet and an air outlet arranged around the air inlet are formed in the convection air hood, and the air inlet is formed by a plurality of circular holes corresponding to the shapes of the convection fan blades. This structural design can form the circulation convection current route of a plurality of local, guarantees to evaporate roast effect.

Optionally, the air outlet is formed by a plurality of air outlet through holes arranged in a row, and an arrangement direction of the plurality of air outlet through holes forming one air outlet is parallel to the grill. The structural design forms a convection mode with uniformly distributed heat of each layer, and balanced steaming and baking of food steamed and baked in each layer are realized.

Optionally, the two electric heating pipes are arranged on the rear plate of the baking chamber and are arranged in an independent structure with intervals in a laminated manner.

Optionally, the variable speed motor is a high-low gear double-speed convection motor, and the variable speed motor has a terminal structure with a common end insert sheet, an L insert sheet and an H insert sheet. The structural design realizes the switching of the rotating speed of the convection fan blades when the hot air convection function is controlled.

Optionally, the inner cavity of the baking chamber is provided with a heating pipe, and the heating pipe is arranged at the upper part and/or the lower part of the baking chamber. The structural design enables a user to singly select the heating pipe to bake and heat so as to meet the requirements of different foods or different heating modes.

Optionally, an electric control panel is arranged on the door assembly, and the electric control panel is electrically connected with the steam generating device, the motor, the electric heating pipe and the heating pipe respectively. The structural design realizes the intelligent control requirement of the steam oven.

Optionally, the grill includes a plurality of baking trays arranged parallel to each other. The structural design expands the space utilization rate of the baking chamber.

Optionally, a partition frame is arranged on the side wall of the baking chamber, and the baking trays are mutually separated by the partition frame and are convenient to pull out from the baking chamber. The structural design ensures that a certain space is reserved between layers of the baking tray so as to facilitate the flow of hot air and realize the uniformity of the temperature of each point in the space in the furnace chamber.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the steam oven have one of following technological effect at least:

1. through using two independent electric heating pipes, and adopting different power parameter settings, simultaneously, the cooperation use can be adjusted and set up the different rotational speeds of high-low grade variable speed motor, through automatically controlled program control, realize the switching of electric heating pipe power height reaches variable speed motor's rotational speed switches, ensures to realize through under the mode of this kind of controllable load work switching, the multiple mode application of hot-blast convection current function. The heat in the baking chamber can be selected according to the food to be cooked and the cooking process, so that the diversity of the oven temperature of the baking chamber is realized, and the effect of air frying is achieved; in addition, the speed of the variable speed motor can meet the requirement of starting a function or a menu function for cooking, and the functional diversity of the steam oven is expanded.

2. The convection fan cover is in sealing fit with the rear plate of the baking chamber, so that the convection fan blades and the two electric heating pipes are arranged in a space formed by the convection fan cover and the rear plate of the baking chamber; the convection air hood is provided with an air inlet and an air outlet arranged around the air inlet, and the air inlet is formed by a plurality of circular holes corresponding to the shapes of the convection fan blades. The structural design can form a plurality of local circulation convection paths, strengthen the temperature uniformity of the baking chamber, ensure the steaming and baking effect and improve the heat energy use efficiency.

3. The air outlet is formed by a plurality of air outlet through holes arranged in rows, the arrangement direction of the air outlet through holes forming one air outlet is parallel to the grill, a separation frame is arranged on the side wall of the baking chamber, and the baking trays are mutually separated by the separation frame. The structural design ensures that a certain space is reserved between each layer of the baking tray so as to facilitate the flow of hot air, and the hot air formed by the hot air convection device forms a convection mode of uniformly distributing heat on each layer, thereby realizing the balanced steaming and baking of food steamed and baked on each layer.

4. Adopt hot-blast convection current device reaches the coexistent structural style of heating tube realizes that the user can select to utilize as required hot-blast convection current device carries out hot-blast convection current heating to steaming and baking food, perhaps selects the heating tube to toast the heating to different food or use different heating methods, expanded the functional mode diversification of this steam oven, in order to satisfy different use crowds' needs.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a steam oven according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an X-axis longitudinal section of a steam oven according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a Y-axis longitudinal section of a steam oven according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a hot air convection device of a steam oven according to an embodiment of the present invention;

fig. 5 is an exploded structural schematic view of a hot air convection device of a steam oven according to an embodiment of the present invention;

FIG. 6 is an enlarged partial view of FIG. 5 labeled A;

fig. 7 is a schematic structural view of a convection fan housing of a steam oven according to an embodiment of the present invention;

fig. 8 is a schematic structural view of an electric heating pipe of a steam oven according to an embodiment of the present invention;

wherein, in the figures, the respective reference numerals:

1-box body, 20-door component, 21-electric control panel, 30-baking chamber, 31-heating tube, 32-partition rack, 40-water tank, 50-steam generating device, 60-grill, 70-hot air convection device, 71-variable speed motor, 711-public end plug-in sheet, 712-L plug-in sheet, 713-H plug-in sheet, 72-convection fan blade, 73-electric heating tube, 74-convection fan cover, 741-air inlet, 742-air outlet.

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 reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a steam oven with a hot air convection structure, which includes a box body 10, a door assembly 20 pivoted to the box body 10, a baking chamber 30 accommodated in an inner cavity of the box body 10, and a water tank 40 and a steam generating device 50 disposed in a space formed by the baking chamber 30 and the box body 10. In a specific operation process, the water tank 40 provides liquid water required by the steam generator 50, the liquid water is pumped into the steam generator 50 through a pump body to generate steam, and the steam enters the baking chamber 30 through a steam inlet pipe to realize a steaming and baking function. In this embodiment, in consideration of the specific size of the space and the aesthetic design, the water tank 40 and the steam generating device 50 are installed at the bottom end of the oven body 10, a steam inlet hole is opened on the sidewall of the baking chamber 30, and the steam generated by the steam generating device 50 enters the inner cavity of the baking chamber 30 through the steam inlet hole.

Further, the steam oven further includes a grill 60 and a hot air convection device 70. Specifically, the grill 60 is disposed in the roasting chamber 30 for holding the food to be steamed and roasted; the hot air convection device 70 is located at the rear end of the box body 10, and is used for performing hot air convection heating on the steamed and baked food on the grill 60.

In another embodiment of the present invention, as shown in fig. 4, fig. 5 and fig. 6, the hot air convection device 70 includes a variable speed motor 71 disposed on the box body 10, a convection fan blade 72 disposed at an output end of the variable speed motor and located in the baking chamber 30, and two electric heating pipes 73 surrounding an outer periphery of the convection fan blade, wherein power of the two electric heating pipes 73 is set by different parameters; preferably, the variable speed motor 71 is a high-low speed double-speed convection motor having a terminal structure of a common terminal insert 711, an L insert 712 and an H insert 713. In this embodiment, two independent electric heating pipes 73 are used, different power parameters are set, and meanwhile, the variable speed motor 71 with different rotating speeds of high and low gears can be adjusted in cooperation, so that multiple modes of the hot air convection function can be applied in the mode switched by the controllable load. Specifically, the heat in the baking chamber 30 can be selected according to the food to be cooked and the cooking process, so that the oven temperature of the baking chamber 30 is diversified, and the effect of air frying is achieved; in addition, the speed of the variable speed motor 71 can meet the requirement of starting function or menu function for cooking, and the functional diversity of the steam oven is expanded.

Further, the hot air convection device 70 further comprises a convection hood 74, which is hermetically engaged with the rear plate of the roasting chamber 30. Specifically, convection fan 72 and two electric heating pipe 73 set up in convection fan housing 74 with in the space that the back plate of roast room 30 constitutes, make roast room 30 separates into two intercommunicating spaces, convection fan 72 warp variable speed motor 71's drive blows in hot-blast roast room 30 is right roast food steaming on gridion 60 carries out hot-blast convection heating, realizes the hot-blast convection circulation effect, strengthens roast room 30 furnace temperature homogeneity, improves the heat energy availability factor.

In another embodiment of the present invention, as shown in fig. 7, the convection fan housing 74 is provided with an air inlet 741 and an air outlet 742 disposed around the air inlet. The air inlet 741 is formed by a plurality of circular holes corresponding to the shapes of the convection blades 72. Preferably, the air outlet 742 is formed by a plurality of air outlet holes arranged in a row, and an arrangement direction of the plurality of air outlet holes forming one air outlet 742 is parallel to the grill 60. In this embodiment, the air inlet and the air outlet can form a plurality of local circulating convection paths with the steamed and baked food on each layer of the grill 60, so as to ensure the baking effect of the steamed and baked food; the convection fan 72 blows in the hot air emitted from the electric heating tube 73 through the air inlet 741, turns back through the air outlet 742 in the space formed by the convection fan cover 74 and the rear plate of the baking chamber 30 after steaming and baking food on each layer correspondingly, and circulates in such a way to form a convection mode in which the heat of each layer of food steaming and baking area is uniformly distributed, thereby realizing the effect of balanced baking.

In another embodiment of the present invention, as shown in fig. 2 and 8, two electric heating pipes 73 are disposed on the back plate of the baking chamber 30 and are arranged in a stacked and spaced independent structure. In this embodiment, the two electric heating pipes 73 can be 600W low-power electric heating pipes and 1200W high-power electric heating pipes, which are specifically switched according to the temperature requirement of food to be cooked, or the two electric heating pipes 73 can be simultaneously started; when the fruit drying function is needed, the low-power electric heating tube with low power of 600W can be started when the low-temperature hot air is needed; when a common baking function is needed, common hot air is needed, and a 1200W high-power electric heating pipe can be started; when the 'air blast' function is required, the high-power violent fire is required, and the 600W low-power electric heating tube and the 1200W high-power electric heating tube can be started simultaneously. The utility model discloses can avoid current single power electric heating pipe to cause the furnace temperature singleness in the furnace chamber, can not satisfy the drawback of user's cooking effect.

In another embodiment of the present invention, as shown in fig. 3, the inner cavity of the roasting chamber 30 is provided with a heating pipe 31, which is installed at the upper part and/or the lower part of the roasting chamber 30. The utility model discloses a hot-blast convection device 70 reaches the coexistent structural style of heating tube 31 realizes that the user can select to utilize as required hot-blast convection device 70 carries out hot-blast convection heating to steaming and baking food, perhaps selects heating tube 31 to toast the heating to different food or use different heating methods, the functional mode that has expanded this steam oven is diversified, in order to satisfy different use crowds' needs.

Furthermore, an electrical control panel 21 is disposed on the door assembly 20, and is electrically connected to the steam generating device 50, the variable speed motor 71, the electric heating pipe 73 and the heating pipe 31. The structural design realizes the intelligent control requirement of the steam oven.

In another embodiment of the present invention, as shown in fig. 1, in order to expand the space utilization of the baking chamber 30, in this embodiment, the grill 60 includes a plurality of baking trays arranged in parallel. Preferably, the side wall of the baking chamber 30 is provided with a partition frame 32, and the plurality of baking trays are arranged by the partition frame 32 in a mutually spaced manner, so that a certain space is reserved between each layer of the baking trays, and thus, hot air flows, the temperature uniformity of each point in the space in the oven cavity is realized, and a better baking effect on steamed and baked food is achieved. In addition, the baking tray is conveniently drawn out of the baking chamber 30 through the separating frame 32, so that the food can be conveniently taken out, and the baking tray can be conveniently cleaned for the next baking.

The rest of each embodiment is the same as the first embodiment, and the features not explained in the embodiments are explained by the first embodiment, which is not described herein again.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A steam oven with a hot air convection structure comprises a box body, a door assembly pivoted with the box body, a baking chamber accommodated in an inner cavity of the box body, and a water tank and a steam generating device which are arranged in a space formed by the baking chamber and the box body; it is characterized in that the steam oven further comprises:

the grill is arranged in the baking chamber and used for supporting the steamed and baked food;

the hot air convection device is positioned at the rear end of the box body and is used for carrying out hot air convection heating on the steamed and roasted food on the grill; the electric heating oven comprises a variable speed motor arranged on the oven body, a convection fan blade arranged at the output end of the variable speed motor and positioned in the oven chamber and two electric heating pipes surrounding the periphery of the convection fan blade, wherein the power of the two electric heating pipes is set by adopting different parameters.

2. The steam oven with hot air convection structure of claim 1, wherein: the hot air convection device also comprises a convection fan cover which is in sealing fit with the rear plate of the baking chamber; the convection fan blades and the two electric heating pipes are arranged in a space formed by the convection fan cover and the rear plate of the baking chamber.

3. The steam oven with hot air convection structure of claim 2, wherein: the convection air hood is provided with an air inlet and an air outlet arranged around the air inlet, and the air inlet is formed by a plurality of circular holes corresponding to the shapes of the convection fan blades.

4. The steam oven with hot air convection structure of claim 3, wherein: the air outlet is formed by a plurality of air outlet through holes arranged in rows, and the arrangement direction of the air outlet through holes forming the air outlet is parallel to the grill.

5. The steam oven with hot air convection structure of claim 1, wherein: the two electric heating pipes are arranged on the rear plate of the baking chamber and are arranged in a laminated and spaced independent structure.

6. The steam oven with hot air convection structure of claim 1, wherein: the variable speed motor adopts a high-low gear double-rotating speed convection motor and is provided with a terminal structure of a public end inserting piece, an L inserting piece and an H inserting piece.

7. The steam oven with hot air convection structure of claim 1, wherein: the inner cavity of the baking chamber is provided with a heating pipe which is arranged at the upper part and/or the lower part of the baking chamber.

8. The steam oven with hot air convection structure of claim 7, wherein: the door component is provided with an electric control panel which is respectively electrically connected with the steam generating device, the variable speed motor, the electric heating pipe and the heating pipe.

9. The steam oven with hot air convection structure of claim 1, wherein: the grill comprises a plurality of baking trays which are arranged in parallel.

10. The steam oven with hot air convection structure of claim 9, wherein: the side wall of the baking chamber is provided with a separation frame, and the baking trays are mutually separated by the separation frame and are convenient to pull out from the baking chamber.

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