CN111297179A - Steam cooking device - Google Patents

Abstract

The invention provides a steam cooking device, and relates to the technical field of kitchen appliances. The steam cooking device comprises a box body, an inner container, a steam generating device and a steaming box with the cooking volume smaller than that of the inner container, wherein the inner container is accommodated in the box body; the steam generating device comprises a main steam outlet pipe and an auxiliary steam outlet pipe, wherein a steam outlet of the main steam outlet pipe is a main steam outlet which is communicated with the inner container, and the main steam outlet pipe is provided with a main control valve; the steam outlet of the auxiliary steam outlet pipe is an auxiliary steam outlet which is communicated with the steaming box, and the auxiliary steam outlet pipe is provided with an auxiliary control valve. This steam cooking device can use the inner bag or evaporate the box and cook according to the selection of food volume, wherein, evaporate the box small for when the culinary art of a small amount of food, the energy consumption is low and consuming time weak point.

Description

Steam cooking device

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a steam cooking device.

Background

Steaming is one of cooking methods, people put original-taste or seasoned food raw materials into a vessel and heat and steam the food raw materials through high-temperature steam, and the original nutrition of the food can be reserved to a greater extent in the cooking process. Steam cooking devices such as a steam box, a steam oven and a micro-steaming and baking all-in-one machine have the steam cooking function, water is converted into high-temperature steam through a steam generating device to cook food in the inner container by 100% of steam, so that the purposes of steaming dishes, steaming rice, steaming soup, heating the dishes and the like can be realized quickly, and the functions of locking nutrition, reducing fat and salt, keeping original taste and flavor of the food are achieved.

However, the volume of the inner container of the existing steam cooking device is fixed, when the amount of food to be cooked is small, the steam still needs to fill the whole inner container to cook a small amount of food in the inner container, and the cooking energy consumption is high and the time consumption is long.

Disclosure of Invention

The invention aims to provide a steam cooking device, which solves the technical problems of high energy consumption and long time consumption when a small amount of food is cooked by the steam cooking device in the prior art.

The embodiment provides a steam cooking device which comprises a box body, an inner container, a steam generating device and a steaming box, wherein the cooking volume of the steaming box is smaller than that of the inner container; the steam generating device comprises a main steam outlet pipe and an auxiliary steam outlet pipe, a steam outlet of the main steam outlet pipe is a main steam outlet, the main steam outlet is communicated with the inner container, and the main steam outlet pipe is provided with a main control valve; the steam outlet of the auxiliary steam outlet pipe is an auxiliary steam outlet which is communicated with the steaming box, and the auxiliary steam outlet pipe is provided with an auxiliary control valve.

In an optional embodiment, an installation space is formed between the box body and the inner container, the box body is provided with an opening, a driving assembly is installed in the installation space, a driving end of the driving assembly is connected with the auxiliary steam outlet pipe, and the driving assembly is used for driving the auxiliary steam outlet to extend out of the box body through the opening or retract into the installation space; the steaming box is detachably connected with the auxiliary steam outlet.

In an optional embodiment, a partition plate is fixedly arranged in the installation space, the partition plate is positioned at the top of the inner container, and the driving assembly is installed on the partition plate and used for driving the auxiliary steam outlet to lift; the opening is positioned above the auxiliary steam outlet.

In an optional embodiment, a driving end of the driving assembly is fixedly connected with a lifting box, the lifting box is provided with a mounting hole, and a steam outlet end of the auxiliary steam outlet pipe is inserted into the mounting hole from inside to outside; the opening is matched with the lifting box.

In an optional embodiment, the number of the auxiliary steam outlet pipe, the auxiliary control valve, the steaming box and the mounting hole is two, and the four are in one-to-one correspondence; the two auxiliary steam outlets are positioned on the side wall of the lifting box and are arranged at intervals along the vertical direction; the steam cooking device further comprises a processor, the box body is provided with a control panel, the control panel is provided with a main mode, a first auxiliary mode and a second auxiliary mode, and the steam generating device, the driving assembly, the main control valve and the auxiliary control valves are connected with the processor.

In an optional embodiment, the auxiliary steam outlet pipe, the auxiliary control valve and the steaming box are all multiple and correspond to one another.

In an optional embodiment, a driving end of the driving assembly is fixedly connected with a lifting plate, the lifting plate is provided with a connecting hole, and a steam outlet end of the auxiliary steam outlet pipe is inserted into the connecting hole; the opening is matched with the steaming box.

In an alternative embodiment, the lifting plate includes an outer protrusion protruding upward and supporting portions at both sides of the outer protrusion; the bottom of the steaming box is provided with a concave part matched with the convex part.

In an optional embodiment, an accommodating space is formed in the outer convex part, the driving end of the driving assembly is fixedly connected with the top plate of the outer convex part, when the driving end of the driving assembly is in a retracted state, the driving assembly is accommodated in the accommodating space, and the supporting part abuts against the partition plate.

In an alternative embodiment, the partition board is fixedly provided with an accommodating box, the driving assembly is installed in the accommodating box, and a box opening of the accommodating box corresponds to the opening.

The steam cooking device of the present invention has advantageous effects including:

the invention provides a steam cooking device, which comprises a box body serving as a shell and used for installing all parts, an inner container used for providing a cooking cavity for a large amount of food, a steaming box used for providing a cooking cavity for a small amount of food and a steam generating device used for generating steam; the steam generating device supplies steam to the inner container through the main steam outlet pipe, the main steam outlet pipe is provided with a main control valve capable of controlling the on-off state of the main steam outlet pipe, the steam generating device supplies steam to the steam box through the auxiliary steam outlet pipe, and the auxiliary steam outlet pipe is provided with an auxiliary control valve capable of controlling the on-off state of the auxiliary steam outlet pipe.

The user need use steam cooking device to carry out steam cooking to food, and when the food volume was great, can choose for use the inner bag to cook food, specifically, put into the inner bag with food, open steam generation device and main control valve (at this moment, vice control valve is in the closed condition, and steam can't be through vice steam outlet pipe output), and the steam that steam generation device produced carries to the inner bag in through main steam outlet pipe, carries out steam cooking to the food in the inner bag. When the amount of food is small, the steaming box can be selected for cooking the food, the food is placed in the steaming box, the steaming box is ensured to be communicated with the auxiliary steam outlet, the steam generating device and the auxiliary control valve are opened (at the moment, the main control valve is in a closed state, and the steam cannot be output through the main control valve), the steam generated by the steam generating device is conveyed into the steaming box through the auxiliary steam outlet pipe, and the food in the steaming box is cooked by the steam; because the volume of steaming the box is less than the inner bag, the steam of food can be cooked to steam by the volume that steam is full of steaming the box, on the basis of realizing the abundant steam cooking to food, effectively shorten the time that steam output consumes through reducing the culinary art cavity to reduce steam consumption, reduce the energy consumption.

In addition, when the food volume that needs the culinary art is greater than the holding capacity of inner bag, also can place food dispersion in the inner bag and evaporate the box, open steam generating device, main control valve and auxiliary control valve, steam is carried in to the inner bag and evaporating the box simultaneously, carries out the synchronous culinary art of inner bag and evaporating the box to improve the range that steam cooking device can cook the food volume, correspondingly improve its suitability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a steam cooking device according to an embodiment of the present invention in a first form, and two steaming boxes are used;

fig. 2 is an exploded view of a part of components of the steam cooking apparatus of fig. 1;

FIG. 3 is a schematic view of the steam cooking apparatus of FIG. 1 using a steam box;

FIG. 4 is a schematic view of the steam cooking device of FIG. 1 without the steam box;

fig. 5 is an exploded view of part of the components of the steam cooking apparatus of fig. 4;

fig. 6 is a schematic view of the inner structure of a steam cooking apparatus according to a second embodiment of the present invention;

fig. 7 is an exploded view of the steam cooking device of fig. 6.

Icon: 100-a box body; 110-an opening; 120-a separator; 130-a control panel; 140-a containment box; 150-a box door; 160-a handle; 200-inner container; 210-a steam through port; 310-a water tank; 320-a water pump; 330-an evaporator; 341-first secondary steam outlet pipe; 342-a first secondary steam outlet; 343-a second secondary steam outlet pipe; 344-second secondary steam outlet; 351-a main control valve; 352-first secondary control valve; 353-a second secondary control valve; 400-steaming the box; 410-a recess; 420-a cartridge; 430-box cover; 440-a box liner; 500-a drive assembly; 600-a lifting box; 610-a first mounting hole; 620-second mounting hole; 700-a lifter plate; 710-connection hole; 720-external convex part; 721-an accommodation space; 722-a top plate; 730-support section.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the present invention are used, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The present embodiment provides a steam cooking apparatus, as shown in fig. 1, 2 and 6, comprising a box body 100, an inner container 200, a steam generating device and a steaming box 400 having a cooking volume smaller than that of the inner container 200, wherein the inner container 200 is accommodated in the box body 100; the steam generating device comprises a main steam outlet pipe and an auxiliary steam outlet pipe, wherein a steam outlet of the main steam outlet pipe is a main steam outlet which is communicated with the inner container 200, and the main steam outlet pipe is provided with a main control valve 351; the steam outlet of the auxiliary steam outlet pipe is an auxiliary steam outlet which is communicated with the steaming box 400, and the auxiliary steam outlet pipe is provided with an auxiliary control valve.

The steam cooking device provided by the embodiment comprises a box body 100 serving as an outer shell and used for installing all parts, an inner container 200 used for providing a cooking cavity for a large amount of food, a steaming box 400 used for providing a cooking cavity for a small amount of food and a steam generating device used for generating steam; wherein, steam generator supplies steam to inner bag 200 through main steam outlet pipe, and installs the main control valve 351 that can control its internal break-make state on the main steam outlet pipe, and steam generator supplies steam to steaming box 400 through vice steam outlet pipe, and installs the vice control valve that can control its internal break-make state on the vice steam outlet pipe.

The user need use steam cooking device to carry out steam cooking to food, and when the food volume was great, can choose for use inner bag 200 to cook food, specifically, put into inner bag 200 with food, open steam generation device and main control valve 351 (at this moment, vice control valve is in the closed condition, and steam can't be through vice steam outlet pipe output), and steam that steam generation device produced carries to inner bag 200 in through main steam outlet pipe, carries out steam cooking to the food in the inner bag 200. When the amount of food is small, the steaming box 400 can be selected for cooking the food, the food is placed in the steaming box 400, the steaming box 400 is communicated with the auxiliary steam outlet, the steam generating device and the auxiliary control valve are opened (at the moment, the main control valve 351 is in a closed state, steam cannot be output through the main control valve 351), the steam generated by the steam generating device is conveyed into the steaming box 400 through the auxiliary steam outlet pipe, and the food in the steaming box 400 is subjected to steam cooking; because the volume of steaming box 400 is less than inner bag 200, the steam of steaming box 400 can be realized cooking the steam of food to the volume that steam is full of, on the basis of realizing the abundant steam cooking to food, effectively shorten the time that steam output consumed through reducing the culinary art cavity to reduce steam consumption, reduce the energy consumption. Specifically, as shown in fig. 5, a steam vent 210 may be formed in the liner 200, and a steam outlet end of the main steam outlet pipe is connected to the steam vent 210, so as to communicate the main steam outlet with the liner 200.

In addition, when the amount of food to be cooked is greater than the capacity of the inner container 200, the food can be dispersedly placed in the inner container 200 and the steaming box 400, the steam generating device, the main control valve 351 and the auxiliary control valve are opened, the steam is simultaneously conveyed into the inner container 200 and the steaming box 400, and the inner container 200 and the steaming box 400 are synchronously cooked, so that the range of the amount of food cooked by the steam cooking device is increased, and the applicability of the steam cooking device is correspondingly improved.

Optionally, in this embodiment, as shown in fig. 2, an installation space is formed between the box body 100 and the inner container 200, the box body 100 is provided with an opening 110, a driving assembly 500 is installed in the installation space, a driving end of the driving assembly 500 is connected to the secondary steam outlet pipe, and the driving assembly 500 is used for driving the secondary steam outlet to extend out of the box body 100 through the opening 110 or retract into the installation space; the steaming box 400 is detachably connected with the auxiliary steam outlet. The steam box 400 is detachably connected with the auxiliary steam outlet, so that when the steam box 400 is required to be used for steam cooking of food, the steam box 400 and the auxiliary steam outlet can be detached, then the steam box 400 is placed at a position convenient to operate to contain the food, then the auxiliary steam outlet is driven by the control driving assembly 500 to extend out of the box body 100 so as to be convenient for connection of the steam box 400 and the auxiliary steam outlet, after connection of the steam box 400 and the auxiliary steam outlet is completed, the steam generating device and the auxiliary control valve are opened, and steam enters the steam box 400 to steam cook the food in the steam box 400; after the cooking is finished, the steam generating device and the auxiliary control valve are closed, the steam box 400 can be detached, then the driving assembly 500 is controlled to drive the auxiliary steam outlet to retract into the installation space, so that food in the steam box 400 can be taken out conveniently, and the standby state or the closed state of the steam cooking device is reduced, and the auxiliary steam outlet extends out of the box body 100 and is easily damaged by collision to influence the overall regularity of the steam cooking device. Optionally, the main steam outlet pipe and the auxiliary steam outlet pipe may be flexible pipes made of silicone tubes or the like, and the length of the pipe body is surplus, so as to realize the movement of the pipe body along with the stretching or retracting of the driving assembly 500.

In the above-mentioned method for using the steaming box 400 outside the box body 100, when the steaming box 400 can be accommodated in the installation space, the steaming box 400 is placed in the installation space during the steam cooking process, the steaming box 400 is communicated with the auxiliary steam outlet, the steam generating device and the auxiliary control valve are opened, and the steam enters the steaming box 400 to cook the food in the steaming box 400; after cooking, can control drive assembly 500 drive vice steam outlet and stretch out towards opening 110 (can be according to actual demand control drive assembly 500's drive stroke, vice steam outlet also can not stretch out opening 110, only need will evaporate box 400 ejecting can) to will evaporate box 400 ejecting, the user can be with evaporating box 400 and follow vice steam outlet and pull down, then control drive assembly 500 drive vice steam outlet withdrawal installation space in, follow afterwards and take out food from evaporating box 400.

Due to the arrangement of the driving assembly 500, the steaming box 400 can be conveniently disassembled and assembled, so that the steaming box 400 can be independently used, and convenience in taking and placing food in the steaming box 400 and cleaning the steaming box 400 is improved; in addition, when the steam cooking device is in a standby or closed state, the auxiliary steam outlet is positioned in the installation space, so that the damage of external factors to the auxiliary steam outlet such as collision and the like is reduced, and the overall regularity of the steam cooking device is improved. Specifically, the driving assembly 500 may drive the secondary steam outlet to protrude through the top of the box 100, or may protrude through the side of the box 100.

Optionally, the steam generating device may also be located in the installation space, and the box body 100 may protect the steam generating device to reduce damage to the steam generating device caused by external factors and ensure normal use of the steam generating device; in addition, the overall regularity of the steam cooking device can be further improved. Specifically, the steam generating device may include a water tank 310, a water pump 320, and an evaporator 330, the water tank 310 and the evaporator 330 are connected through a water pipe, the water pump 320 is installed in the water pipe, and the evaporator 330 is capable of heating water to generate steam and delivering the steam to the inner container 200 or the steam box 400.

In this embodiment, as shown in fig. 2, a partition plate 120 may be fixedly disposed in the installation space, the partition plate 120 is located at the top of the inner container 200, and the driving assembly 500 is mounted on the partition plate 120 and is used for driving the auxiliary steam outlet to ascend and descend; the opening 110 is located above the secondary steam outlet. Firstly, in the using process, the partition plate 120 is positioned at the bottom of the driving assembly 500 and the steaming box 400 to support the driving assembly 500 and the steaming box 400, the supporting stability is high, and the damage to the strength and the sealing performance of the inner container 200 caused by the direct connection of the driving assembly 500 and the inner container 200 can be reduced; secondly, the partition plate 120 isolates the working parts such as the inner container 200 and the driving assembly 500 in an upper space and a lower space, so that the adverse effect on the operation of the working parts caused by the heat transfer of the inner container 200 to the working parts can be effectively reduced, the normal operation of the working parts is ensured, in addition, the working parts and the inner container 200 are distributed up and down, and the occupied area for placing the steam cooking device can be reduced; thirdly, the steaming box 400 is disassembled and assembled with the auxiliary steam outlet at the top of the box body 100, which is more convenient for the operation of the user. Specifically, the partition 120 may be disposed approximately horizontally to improve the stability and firmness of the support of the partition 120 to the working components. The partition 120 may be a plate, such as a flat plate or a rib plate, a plate fixed to the top plate of the inner container 200, a top plate of the inner container 200, or another member fixed to the box and used for mounting the driving assembly 500.

In this embodiment, the driving end of the driving assembly 500 may be fixedly connected to the lifting box 600, the lifting box 600 is provided with a mounting hole, and the steam outlet end of the auxiliary steam outlet pipe is inserted into the mounting hole from inside to outside; the opening 110 is matched with the lifting box 600. Here, in a specific form in which the steaming box 400 is used outside the box body 100, when the steaming box 400 is not used, the driving assembly 500 is controlled to drive the lifting box 600 to descend along the opening 110 to the installation space, preferably, as shown in fig. 4, when the lifting box 600 descends to the installation space, the top surface of the lifting box 600 is approximately coplanar with the top surface of the box body 100, so that the overall regularity of the box body 100 is improved, and the pollution of dust and the like to the installation space can be reduced; when the steaming box 400 is needed to cook food, the control driving assembly 500 drives the lifting box 600 to ascend along the opening 110, as shown in fig. 1 and 3, the lifting box 600 drives the auxiliary steam outlet pipe and the auxiliary steam outlet to ascend synchronously with the auxiliary steam outlet pipe and the auxiliary steam outlet, when the auxiliary steam outlet reaches the set external part outside the box body 100, the steaming box 400 is connected with the auxiliary steam outlet, then the steam generating device and the auxiliary control valve are started, and steam enters the steaming box 400 to cook the food in the steaming box 400; after cooking is completed, the steam box 400 is detached, and the control driving assembly 500 drives the lifting box 600 and the auxiliary steam outlet pipe to descend to the original position.

In this embodiment, the number of the auxiliary steam outlet pipes, the auxiliary control valve, the steam box 400 and the mounting holes is two, and the four auxiliary steam outlet pipes, the auxiliary control valve, the steam box 400 and the mounting holes are in one-to-one correspondence; the two auxiliary steam outlets are both positioned on the side wall of the lifting box 600 and are arranged at intervals along the vertical direction; the steam cooking device further includes a processor, the cabinet 100 is provided with the control panel 130, the control panel 130 is provided with a main mode, a first sub-mode and a second sub-mode, and the steam generating device, the driving assembly 500, the main control valve 351 and the two sub-control valves are all connected with the processor. The steaming box 400 is in a specific form of two, when the steaming box is used, the inner container 200 can be selected to be used independently according to the amount of food, one steaming box 400 is used or two steaming boxes 400 are used simultaneously, when the inner container 200 is used independently, a main mode can be selected, the processor receives a signal to start the steam generating device and the main control valve 351, and steam enters the inner container 200 to cook the food in the inner container; specifically, the steam generating device and the main control valve 351 may be closed using a closing option or a menu mode. As shown in fig. 5, the broken lines indicate the piping connection relationship between the different communication ports.

A first auxiliary steam outlet 342 is arranged below the two auxiliary steam outlets, an auxiliary steam outlet pipe connected with the first auxiliary steam outlet 342 is a first auxiliary steam outlet pipe 341, an auxiliary control valve on the first auxiliary steam outlet pipe 341 is a first auxiliary control valve 352, and a mounting hole connected with the first auxiliary steam outlet pipe 341 on the lifting box 600 is a first mounting hole 610; the second auxiliary steam outlet 344 is located above the lifting box 600, the auxiliary steam outlet connected with the second auxiliary steam outlet 344 is a second auxiliary steam outlet 343, the auxiliary control valve on the second auxiliary steam outlet 343 is a second auxiliary control valve 353, and the mounting hole connected with the second auxiliary steam outlet 343 on the lifting box 600 is a second mounting hole 620. When one steaming box 400 is needed, a first auxiliary mode can be selected, the processor receives a signal to correspondingly control the driving assembly 500 to drive the lifting box 600 to move upwards for a certain distance, specifically, the distance can be half of the driving stroke of the driving assembly 500, as shown in fig. 3, the first auxiliary steam outlet 342 is exposed out of the box body 100, when the steaming box 400 is placed at the top of the box body 100, the first auxiliary steam outlet 342 can be communicated with the steaming box 400, and then the steam generating device and the first auxiliary control valve 352 are opened (the signal can be transmitted to the processor through the connection state of the steaming box 400 and the first auxiliary steam outlet 342, and the processor correspondingly controls the on-off states of the steam generating device and the first auxiliary control valve 352; the steam generating device and the first auxiliary control valve 352 can also be independently switched on and off), and steam enters the steaming box 400 through the first auxiliary steam outlet 341 to cook; after cooking is completed, the steaming box 400 is detached, and the processor controls the driving assembly 500 to drive the lifting box 600 to return to the original position.

When two steam boxes 400 need to be used, the second auxiliary mode can be selected, the processor controls the driving assembly 500 to drive the lifting box 600 to ascend for a certain distance, specifically, the distance can be one driving stroke of the driving assembly 500, as shown in fig. 1, the first auxiliary steam outlet 342 and the second auxiliary steam outlet 344 both extend out of the box body 100, the two steam boxes 400 are stacked on top of the box body 100, and the two steam boxes 400 can be respectively communicated with the first auxiliary steam outlet 342 and the second auxiliary steam outlet 344; the steam generating means, the first sub-control valve 352 and the second sub-control valve 353 are then opened and steam is simultaneously introduced into the two steaming boxes 400 for cooking. After cooking is completed, the two steaming boxes 400 are detached, and the processor controls the driving assembly 500 to drive the lifting box 600 to descend to the home position.

Optionally, the processor can also control the heating power of the steam generating device, and when the main mode is selected, the processor controls the steam generating device to perform full-power heating so as to improve the steam generating speed; when the first secondary mode or the second secondary mode is selected, the processor can control the steam generating device to perform half-power heating, and waste of excessive steam is reduced on the basis of ensuring steam supply. Specifically, the evaporator 330 may adopt a structure of two heating tubes, and when the main mode is selected, the processor opens the two heating tubes; when the first auxiliary mode or the second auxiliary mode is selected, the processor starts a heating tube; in addition, the power of the steam generating device can also be controlled by means of a thyristor scheme.

Alternatively, the inner container 200 and the two steaming boxes 400 may be used simultaneously to cook food, so as to improve the applicability of the steam cooking apparatus. It should be noted that, in the present application, the connection relationship between the processor and the steam generating device, the driving assembly 500, the main control valve 351 and the two sub-control valves is within the protection scope of the present application, and the setting and transmission of the control program between the processor and each of the above-mentioned working components are prior art and not the improvement of the present application.

Except the two steaming boxes 400, in this embodiment, the auxiliary steam outlet pipe, the auxiliary control valve and the steaming box 400 can be multiple and correspond to each other one by one.

The steaming box 400 can be located in the box body 100 in addition to the above-mentioned form located outside the box body 100, specifically, in this embodiment, a lifting plate 700 may be fixedly connected to the driving end of the driving assembly 500, the lifting plate 700 is provided with a connecting hole 710, and the steam outlet end of the auxiliary steam outlet pipe is inserted into the connecting hole 710; the opening 110 is matched with the steaming box 400. When the steam box 400 is needed, the steam box 400 can be arranged in the installation space through the opening 110, the steam box 400 is communicated with the auxiliary steam outlet, the steam generating device and the auxiliary control valve are opened, and steam enters the steam box 400 for cooking; after cooking, closing the steam generating device and the auxiliary control valve, controlling the driving assembly 500 to drive the lifting plate 700 to ascend, enabling the lifting plate 700 to upwards eject the steaming box 400, enabling the steaming box 400 to be higher than the box body 100 or completely reach the outside of the box body 100, and enabling a user to detach the steaming box 400 and take out food; the driving assembly 500 is then controlled to drive the lifting plate 700 to descend to the home position. That is, the driving assembly 500 and the lifting plate 700 are arranged so that the steaming box 400 is located in the installation space during the cooking process, and the integrity of the steam cooking apparatus is better; and after the cooking is completed, the steam box 400 can be ejected out, so that the steam box 400 can be conveniently detached.

Optionally, the steam cooking device may further include a cover 430 matched with the opening 110, and when the steam box 400 is not used, the cover 430 may be covered at the opening 110 to reduce contamination of an installation space by external dust, etc., and to improve the integrity of the steam cooking device. When the steaming box 400 is needed to be used, the box cover 430 is taken down for subsequent operation.

Specifically, in the present embodiment, as shown in fig. 7, the lifting plate 700 may include an outer protrusion 720 protruding upward and support portions 730 located at both sides of the outer protrusion 720; the bottom of the steaming box 400 is provided with a recess 410 matching with the external protrusion 720. When the steam box 400 is installed in the installation space, the outer convex part 720 of the lifting plate 700 is inserted into the concave part 410 of the steam box 400, and the supporting part 730 of the lifting plate 700 is abutted against the bottom of the steam box 400, so that on the basis of realizing the supporting effect of the lifting plate 700 on the steam box 400, the position accuracy of the matching connection between the steam box and the lifting plate 700 is improved, and the communication between the steam box 400 and the auxiliary steam outlet is ensured; in addition, the arrangement of the outward protruding portion 720 can also improve the firmness of connection between the lifting plate 700 and the steaming box 400, and reduce the occurrence of the deviation of the steaming box 400 relative to the lifting plate 700.

Specifically, in this embodiment, as shown in fig. 7, the connection hole 710 may be disposed on a top plate 722 of the outward protruding portion 720, the secondary steam outlet pipe passes through the accommodating space 721, and a steam outlet end of the secondary steam outlet pipe is inserted into the connection hole 710 from bottom to top; the steam inlet of the steam box 400 is arranged in the recessed portion 410, the lower edge of the steam inlet is provided with a plug-in boss along the circumferential direction, and the plug-in boss is matched with the connecting hole 710. The auxiliary steam outlet is positioned at the top of the outer convex part 720, and when the steam box 400 is downwards installed in the installation space, the inserting boss can be downwards inserted into the connecting hole 710 or the auxiliary steam outlet, so that the steam box 400 is communicated with the auxiliary steam outlet, and the firmness of connection of the steam box 400 and the auxiliary steam outlet can be ensured.

In this embodiment, an accommodating space 721 is formed in the outer protrusion 720, the driving end of the driving assembly 500 is fixedly connected to the top plate 722 of the outer protrusion 720, when the driving end of the driving assembly 500 is in the retracted state, the driving assembly 500 is accommodated in the accommodating space 721, and the supporting portion 730 abuts against the partition 120. The accommodating space 721 is arranged, on one hand, when the driving assembly 500 does not work, the driving assembly 500 can be accommodated in the accommodating space 721 formed in the outer convex part 720, so that the occupation of the driving assembly 500 on the installation space is reduced, and the full utilization of the installation space by each part is improved; on the other hand, when the driving unit 500 is in the retracted state, the supporting portion 730 of the lifting plate 700 abuts against the partition plate 120, and the partition plate 120 can support the steam box 400 through the supporting portion 730 during the cooking process, so that the supporting stability is high, the supporting load of the driving unit 500 on the steam box 400 can be reduced, and the normal operation of the driving unit 500 can be ensured.

In the present embodiment, as shown in fig. 6 and 7, the accommodation box 140 may be fixedly installed at the partition plate 120, the driving assembly 500 is installed in the accommodation box 140, and the box opening of the accommodation box 140 corresponds to the opening 110. When the steaming box 400 is loaded into the mounting space through the opening 110, the steaming box 400 can be loaded into the accommodating box 140 in a downward matching manner, and the side wall of the accommodating box 140 can limit the mounting position of the steaming box 400, so that the connecting position precision of the steaming box 400 and the lifting plate 700 is improved, and the communication between the steam inlet and the auxiliary steam outlet is further ensured; in addition, the arrangement of the accommodating box 140 can also separate the steaming box 400 from other working components in the installation space, so as to reduce the damage of collision and the like to other working components when the steaming box 400 enters the installation space. Specifically, the accommodation case 140 may be a case body 420 including a bottom plate, on which the driving assembly 500 is mounted; the storage case 140 may be a frame body, the frame body and the partition 120 together constitute the case body 420, and the driving unit 500 is directly attached to the partition 120.

Alternatively, as shown in fig. 7, the steaming box 400 may include a box body 420, a cover body and a box liner 440, and one or more box liners 440 may be provided. When the food box is used, food can be filled into the box container 440, the box container 440 is filled into the box body 420, and then the cover body is covered at the box opening of the box body 420. The cabinet 100 may include a door 150, and a handle 160 is fixed on the door 150, as shown in fig. 4 and 6, the door 150 can be rotated downward to open or rotated upward to close.

Specifically, the driving assembly 500 may be a push rod motor, and may also be a rack and pinion assembly, a lead screw nut assembly, or other assemblies capable of driving the lifting box 600 or the lifting plate 700 to move up and down.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A steam cooking device is characterized by comprising a box body (100), an inner container (200), a steam generating device and a steaming box (400) of which the cooking volume is smaller than that of the inner container (200), wherein the inner container (200) is accommodated in the box body (100); the steam generating device comprises a main steam outlet pipe and an auxiliary steam outlet pipe, a steam outlet of the main steam outlet pipe is a main steam outlet, the main steam outlet is communicated with the inner container (200), and the main steam outlet pipe is provided with a main control valve (351); the steam outlet of the auxiliary steam outlet pipe is an auxiliary steam outlet which is communicated with the steaming box (400), and the auxiliary steam outlet pipe is provided with an auxiliary control valve.

2. The steam cooking device according to claim 1, wherein an installation space is formed between the box body (100) and the inner container (200), the box body (100) is provided with an opening (110), a driving assembly (500) is installed in the installation space, a driving end of the driving assembly (500) is connected with the secondary steam outlet pipe, and the driving assembly (500) is used for driving the secondary steam outlet to extend out of the box body (100) or retract into the installation space through the opening (110); the steaming box (400) is detachably connected with the auxiliary steam outlet.

3. The steam cooking device of claim 2, wherein a partition (120) is fixedly arranged in the installation space, the partition (120) is positioned at the top of the inner container (200), and the driving assembly (500) is arranged on the partition (120) and used for driving the auxiliary steam outlet to ascend and descend; the opening (110) is located above the secondary steam outlet.

4. The steam cooking device as claimed in claim 3, wherein a lifting box (600) is fixedly connected to the driving end of the driving assembly (500), the lifting box (600) is provided with a mounting hole, and the steam outlet end of the auxiliary steam outlet pipe is inserted into the mounting hole from inside to outside; the opening (110) is matched with the lifting box (600).

5. The steam cooking device of claim 4, wherein the secondary steam outlet pipe, the secondary control valve, the steam box (400) and the mounting hole (610) are two and four in one-to-one correspondence; the two auxiliary steam outlets are positioned on the side wall of the lifting box (600) and are arranged at intervals along the vertical direction; the steam cooking device further comprises a processor, the box body (100) is provided with a control panel (130), the control panel (130) is provided with a main mode, a first auxiliary mode and a second auxiliary mode, and the steam generating device, the driving assembly (500), the main control valve (351) and the two auxiliary control valves are all connected with the processor.

6. The steam cooking device as claimed in any one of claims 1 to 4, wherein the number of the auxiliary steam outlet pipe, the auxiliary control valve and the steam box (400) is plural and the three correspond to one another.

7. The steam cooking device of claim 3, wherein a lifting plate (700) is fixedly connected to the driving end of the driving assembly (500), the lifting plate (700) is provided with a connecting hole (710), and the steam outlet end of the secondary steam outlet pipe is inserted into the connecting hole (710); the opening (110) is matched with the steaming box (400).

8. The steam cooking device of claim 7, wherein the lifting plate (700) includes an outer protrusion (720) protruding upward and a support portion (730) at both sides of the outer protrusion (720); the bottom of the steaming box (400) is provided with a concave part (410) matched with the convex part (720).

9. The steam cooking device of claim 8, wherein a receiving space (721) is formed in the outer protrusion (720), the driving end of the driving assembly (500) is fixedly connected to the top plate (722) of the outer protrusion (720), when the driving end of the driving assembly (500) is in the retracted state, the driving assembly (500) is received in the receiving space (721), and the supporting portion (730) abuts against the partition (120).

10. Steam cooking device according to any of claims 7 to 9, characterised in that said partition (120) is fixed with a containment box (140), said driving assembly (500) being mounted inside said containment box (140), and the mouth of said containment box (140) corresponding to said opening (110).

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