CN212326131U - Steam cooking apparatus - Google Patents

Abstract

The utility model provides a steam cooking device, which relates to the technical field of kitchen appliances and comprises a liner component and an evaporator, wherein the liner component is provided with a cavity for cooking food, a steam inlet and a steam outlet which are communicated with the cavity, and the evaporator can generate steam to steam the food; steam cooking equipment still includes condensing equipment, and condensing equipment has steam inlet, and steam inlet and steam exhaust mouth intercommunication, the comdenstion water that steam in the cavity formed after condensing equipment cools off can flow back to in the cavity, and steam cooking equipment's heating plate can heat the comdenstion water. This steam cooking equipment not only can reduce the temperature and the humidity of exhaust steam, can retrieve the comdenstion water that steam formed moreover to can heat the comdenstion water of retrieving and be used for cooking food with form steam once more, improve the utilization ratio to water, also save the water of evaporimeter, can prolong the evaporimeter and last the time of water work and promote user's experience perception.

Description

Steam cooking apparatus

Technical Field

The utility model belongs to the technical field of the kitchen appliance technique and specifically relates to a steam cooking equipment is related to.

Background

When the steam function of a steam cooking device such as a steam box or a steam oven is used, since the evaporator continuously generates steam to maintain the temperature in the cavity of the steam cooking device, the steam cooking device is required to timely discharge the excessive steam in the cavity to avoid danger due to excessive pressure. However, the discharged steam is high in temperature and humidity, so that the steam is easily harmful to people, and the humidity of the kitchen environment is too high to cause discomfort. In addition, a great deal of heat and moisture are taken away while a great deal of steam is discharged, so that the water consumption of the steam cooking equipment is large, the continuous water use working time is short, and the energy consumption is increased.

In order to solve the above problems, the related art steam cooking apparatus is provided with a condensing device capable of reducing the temperature of the discharged steam, but the related art steam cooking apparatus still has a problem of low utilization rate of water.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steam cooking equipment to alleviate the technical problem that steam cooking equipment that exists among the prior art is low to the utilization ratio of water.

The utility model provides a steam cooking device, which comprises a liner assembly and an evaporator, wherein the liner assembly is provided with a cavity for cooking food, a steam inlet and a steam outlet which are communicated with the cavity, and the evaporator can generate steam to steam the food;

steam cooking equipment still includes condensing equipment, condensing equipment has steam inlet, steam inlet with steam drain intercommunication, steam in the cavity passes through the comdenstion water that forms after the condensing equipment cooling can flow back to in the cavity, steam cooking equipment's heating plate can be right the comdenstion water heats.

Further, the condensing device comprises a condensing reflux box, the condensing reflux box comprises an inner pipe and an outer pipe sleeved on the inner pipe, a steam channel is formed inside the inner pipe, a cooling water channel is formed between the inner pipe and the outer pipe, and the cooling water channel is not communicated with the steam channel;

an opening at one end of the inner pipe forms the steam inlet; the outer pipe is provided with a water inlet for cooling water to enter the cooling water channel and a water outlet for cooling water to flow out of the cooling water channel.

Further, the water inlet is arranged at the lower part of the outer pipe, and the water outlet is arranged at the upper part of the outer pipe.

Further, the water outlet is connected with the evaporator.

Further, the steam cooking apparatus further comprises a water level balancing box, and the water outlet is connected with the evaporator through the water level balancing box.

Furthermore, the condensing device also comprises a water tank and a water pump, wherein the water suction end of the water pump extends into the water tank, and the water outlet of the water pump is communicated with the water inlet of the outer pipe.

Further, the opening of the end, opposite to the steam inlet, of the inner pipe forms a steam outlet, the inner container assembly comprises a steam exhaust box, and the steam outlet is communicated with the steam exhaust box.

Further, the steam channel is cylindrical.

Further, the steam channel is helical.

Further, the cross section of the outer tube is rectangular.

The utility model provides a steam cooking equipment can produce following beneficial effect:

the utility model provides a steam cooking equipment, including condensing equipment, condensing equipment has steam inlet, is used for the steam vent intercommunication of exhaust steam on steam inlet and the inner bag subassembly, and in the comdenstion water that steam in the cavity formed after condensing equipment cools off can flow back to the cavity, and steam cooking equipment's heating plate then can heat the comdenstion water.

When the steam cooking equipment is used, the temperature of the steam discharged from the cavity is reduced after the steam is cooled by the condensing device, and part of the steam forms condensed water, so that the temperature and the humidity of the discharged steam can be reduced by the steam cooking equipment; compared with the prior art, the steam cooking device can also recover condensed water formed by steam and heat the recovered condensed water to form steam again for cooking food, so that the steam cooking device improves the utilization rate of water; simultaneously, among this steam cooking equipment, except that the evaporimeter produces steam, heating plate heating comdenstion water also produces steam, and the steam saturation in the cavity is certain, so heating plate heating comdenstion water produces steam and can save the water of evaporimeter, and then can prolong the time that the evaporimeter lasts the water work, promotes user's experience perception.

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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic partial structural view of a steam cooking device according to an embodiment of the present invention;

fig. 2 is a second partial schematic structural view of a steam cooking device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first form of a condensing and returning box of a steam cooking device according to an embodiment of the present invention;

fig. 4 is a sectional view of a first form of a condensation and return box of a steam cooking apparatus according to an embodiment of the present invention;

fig. 5 is a sectional view of a condensing reflux box of a second form of a steam cooking apparatus according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating a steam flow direction of the steam cooking apparatus according to the embodiment of the present invention.

Icon:

110-a water tank; 120-a water pump; 130-a condensate reflux box; 131-a water inlet; 132-cooling water channel; 133-water outlet; 134-an outer tube; 136-a steam inlet; 137-a steam channel; 138-a steam outlet; 139-inner tube;

200-water level balancing box;

300-an evaporator;

400-a liner assembly; 410-steam outlet; 420-a steam exhaust box; 430-heating plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical", etc. do not imply that the components are required to be absolutely horizontal or vertical, but 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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be 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.

Fig. 1 is a schematic partial structure diagram of a steam cooking device according to the present embodiment, and fig. 2 is a schematic partial structure diagram of a steam cooking device according to the present embodiment.

The present embodiment provides a steam cooking apparatus, as shown in fig. 1 and 2, which includes a bladder assembly 400 and an evaporator 300, the bladder assembly 400 having a cavity for cooking food, and a steam inlet and a steam outlet 410 both communicating with the cavity, the evaporator 300 being capable of generating steam to steam the food; this steam cooking equipment still includes condensing equipment, and condensing equipment has steam inlet 136, and steam inlet 136 and steam vent 410 intercommunication, the comdenstion water that steam in the cavity formed after the condensing equipment cooling can flow back to the cavity, and steam cooking equipment's heating plate 430 can heat the comdenstion water.

The steam cooking device provided by the embodiment comprises a condensing device, wherein the condensing device is provided with a steam inlet 136, the steam inlet 136 is communicated with a steam outlet 410 used for discharging steam on the inner container assembly 400, the condensed water formed after the steam in the cavity is cooled by the condensing device can flow back into the cavity, and the heating plate 430 of the steam cooking device can heat the condensed water.

When the steam cooking equipment is used, the temperature of the steam discharged from the cavity is reduced after the steam is cooled by the condensing device, and part of the steam forms condensed water, so that the temperature and the humidity of the discharged steam can be reduced by the steam cooking equipment; compared with the prior art, the steam cooking device can also recover condensed water formed by steam and heat the recovered condensed water to form steam again for cooking food, so that the steam cooking device improves the utilization rate of water; simultaneously, among this steam cooking equipment, except that evaporimeter 300 produces steam, heating plate 430 heats the comdenstion water and also produces steam, and the steam saturation in the cavity is certain, so heating plate 430 heats the comdenstion water and produces steam and can save the water of evaporimeter 300, and then can prolong the time of evaporimeter 300 continuous water work, promotes user's experience perception.

Specifically, in the present embodiment, the steam cooking apparatus is a steam oven. However, in other embodiments of the present application, the steam cooking apparatus may also be a steam box or the like.

Fig. 3 is a schematic structural view of a first form of condensation and return box of a steam cooking apparatus provided in this embodiment, fig. 4 is a sectional view of the first form of condensation and return box of the steam cooking apparatus provided in this embodiment, and fig. 5 is a sectional view of a second form of condensation and return box of the steam cooking apparatus provided in this embodiment.

In this embodiment, as shown in fig. 3 to 4, the condensing device includes a condensing reflux box 130, the condensing reflux box 130 includes an inner tube 139 and an outer tube 134 sleeved on the inner tube 139, a steam channel 137 is formed inside the inner tube 139, a cooling water channel 132 is formed between the inner tube 139 and the outer tube 134, and the cooling water channel 132 and the steam channel 137 are not communicated with each other; the opening of one end of the inner tube 139 forms the steam inlet 136; the outer pipe 134 is provided with a water inlet 131 for the cooling water to enter the cooling water passage 132 and a water outlet 133 for the cooling water to flow out of the cooling water passage 132. The cooling water enters the cooling water channel 132 from the water inlet 131 of the outer pipe 134, the high-temperature steam enters the steam channel 137 from the steam inlet 136 of the inner pipe 139, the cooling water surrounding the inner pipe 139 exchanges heat with the high-temperature steam through the inner pipe 139, so that the temperature of the high-temperature steam is reduced, part of the steam forms condensed water, the condensed water flows back into the cavity along the steam channel 137 under the action of gravity, the heating plate 430 of the inner container assembly 400 heats the condensed water again, and the generated steam can steam food.

Specifically, heating plate 430 is located below the cavity, and the condensed water flowing back into the cavity is close to heating plate 430, so that heating plate 430 can rapidly heat the condensed water to form steam.

In this embodiment, please continue to refer to fig. 3 to fig. 5, in the condensing reflux box 130, the water inlet 131 is disposed at the lower portion of the outer tube 134, and the water outlet 133 is disposed at the upper portion of the outer tube 134. With this arrangement, the cooling water enters the cooling water passage 132 from a lower position and flows out of the cooling water passage 132 from a higher position, so that the cooling water in the cooling water passage 132 can be sufficiently contacted with the inner pipe 139, and thus can sufficiently exchange heat with the steam in the steam passage 137.

Fig. 6 is a schematic view illustrating a steam flow direction of the steam cooking apparatus according to the present embodiment.

It should be noted here that, in fig. 6, and fig. 3 and 5, arrow a represents the flow direction of steam, arrow b represents the flow direction of condensed water, and arrows c1 and c2 each represent the flow direction of cooling water, where arrow c1 represents the flow direction of cooling water before flowing into the condensed reflux box 130, and arrow c2 represents the flow direction of cooling water after flowing out of the condensed reflux box 130.

In this embodiment, as shown in fig. 6, the water outlet 133 of the condensing and returning box 130 is connected to the evaporator 300. The heat that releases when the cooling water in the cooling water passageway 132 absorbed the heat that steam carried and steam liquefaction, so the temperature of the cooling water that flows out from delivery port 133 risees, becomes the warm water, and delivery port 133 links to each other with evaporimeter 300 for evaporimeter 300 uses the warm water as the heating object, has realized recycling and partial thermal recovery to the cooling water, has also accelerated the speed that evaporimeter 300 produced steam simultaneously, has improved efficiency, has still saved the energy consumption.

In this embodiment, as shown in fig. 1 and 6, the steam cooking apparatus further includes a water level balancing box 200, and the water outlet 133 is connected to the evaporator 300 through the water level balancing box 200.

Specifically, a reed pipe for detecting high and low water levels is provided in the water level balancing box 200. Specifically, as shown in fig. 1 and 6, the condensing device further includes a water tank 110 and a water pump 120, wherein a water suction end of the water pump 120 extends into the water tank 110, and a water discharge port of the water pump 120 is communicated with a water inlet 131 of the outer pipe 134. In operation, the water pump 120 pumps the cooling water in the water tank 110 into the cooling water channel 132 of the condensate return box 130, the cooling water enters from the water inlet 131 of the condensate return box 130, when the cooling water channel 132 is filled with the cooling water, the cooling water flows into the water level balancing box 200 from the water outlet 133 of the condensate return box 130, if the water level in the water level balancing box 200 is a low level, the water pump 120 continues to pump water, and if the water level in the water level balancing box 200 is a high level, the water pump 120 stops pumping water. The water level balancing box 200 is communicated with the evaporator 300 so that the water level of the evaporator 300 is identical to that of the water level balancing box 200, and sufficient cooling water is guaranteed in the water level balancing box 200, and sufficient water is guaranteed in the evaporator 300 at the same time.

In this embodiment, as shown in fig. 3 and 5, the opening of the end of the inner tube 139 opposite to the steam inlet 136 forms the steam outlet 138, the liner assembly 400 includes a steam discharge box 420, and the steam outlet 138 is communicated with the steam discharge box 420. In this arrangement, steam having a reduced temperature but not forming condensed water is discharged from the steam cooking apparatus through the steam outlet 138 and the steam discharge box 420.

In this embodiment, as shown in fig. 3 and 4, the steam passage 137 has a cylindrical shape. With the structure, the manufacturing process of the condensing reflux box 130 is simple, and the manufacturing cost is low.

It should be noted that in other embodiments of the present application, the steam channel 137 may also be helical. The path required to pass through when the steam is discharged can be greatly lengthened by the arrangement, so that the steam can be more fully condensed by the cooling water in the cooling water channel 132, and a better condensation effect and a better heat recovery effect can be realized.

Specifically, in other embodiments of the present application, the inner tube 139 having the spiral-shaped steam channel 137 may be made of glass.

Specifically, in the present embodiment, the cross-sectional shape of the inner tube 139 is circular.

However, it should be noted that in other embodiments of the present application, the cross-sectional shape of the inner tube 139 is not limited to a circular shape, but may also take other shapes, such as: the cross section of the inner tube 139 is rectangular, that is, as long as the steam can be smoothly discharged and the condensed water can smoothly flow back into the cavity, the specific shape of the cross section of the inner tube 139 is not limited in the present application.

In this embodiment, as shown in fig. 1 and 6, the condensation and return box 130 is vertically installed to the inner container assembly 400. The arrangement is convenient for steam to be discharged and condensed water to flow back into the cavity quickly.

However, it should be noted that, in other embodiments of the present application, the condensed water return box 130 may also be obliquely disposed on the liner assembly 400, so long as the steam outlet 138 is higher than the steam inlet 136, so that the condensed water can smoothly flow back into the cavity, and the steam can be smoothly discharged, which is not limited in this application.

In this embodiment, as shown in FIG. 4, the outer tube 134 has a rectangular cross-section. So configured, the condensate return box 130 is fixedly mounted to the liner assembly 400.

Specifically, the outer side wall of the outer tube 134 is provided with a fixing lug, the fixing lug is provided with a fixing hole, and a fastener can pass through the fixing hole to be connected with the inner container assembly 400, so as to install the condensation and return box 130 in the inner container assembly 400.

It should be noted that in other embodiments of the present application, the cross-sectional shape of the outer tube 134 is not limited to a rectangle, but may also be in other shapes, such as: the cross-section of the outer tube 134 may also be circular, i.e., the specific shape of the cross-section of the outer tube 134 is not limited herein, as long as the outer tube 134 is capable of having the inner tube 139 disposed therein and cooling the steam in the inner tube 139 as the cooling water flows through the cooling water passage 132 therein.

Further, in other embodiments of the present application, when the cross section of the outer tube 134 is circular, the outer tube 134 and the inner tube 139 may be coaxially disposed, so that the distance from a point on the outer sidewall of the inner tube 139 to the inner sidewall of the outer tube 134 is consistent in the same cross section along the circumferential direction, and further, the cooling effect of the cooling water in the cooling water channel 132 on each position of the inner tube 139 is similar or even the same in the same cross section along the circumferential direction.

In this embodiment, the steam cooking apparatus further includes a control device, the control device can receive a signal of the water level balancing box 200 related to the water level thereof, and control the water pump 120, the evaporator 300, the heating plate 430, and the like to operate, and the above structure and the operation principle thereof are mature prior art, and the present application is not improved at all, and therefore, the details are not described herein again.

Referring to fig. 6, the steam flow direction of the steam cooking apparatus of the present embodiment can be summarized as follows: the cooling water in the water tank 110 is pumped into the cooling water passage 132 of the condensate return box 130 by the water pump 120; when the cooling water in the cooling water passage 132 overflows, the cooling water absorbing the heat carried by the steam itself and released by the liquefaction becomes warm water and flows into the water level balancing box 200 and the evaporator 300; the evaporator 300 heats the warm water to generate steam, so that the reuse and heat recovery of the cooling water are realized, and the steam enters the cavity to cook food; the steam in the cavity can enter the steam channel 137 of the condensing and returning box 130 and enter the steam in the steam channel 137, a small amount of steam is discharged out of the steam cooking device through the steam outlet 138 and the steam discharging box 420, the rest of steam is cooled and liquefied into condensed water and flows back to the cavity, and the heating plate 430 heats the condensed water to generate steam which can be used for cooking food.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. A steam cooking device, comprising a liner assembly (400) and an evaporator (300), wherein the liner assembly (400) is provided with a cavity for cooking food, a steam inlet and a steam outlet (410) which are communicated with the cavity, the evaporator (300) can generate steam to steam the food, and the steam cooking device is characterized in that,

steam cooking equipment still includes condensing equipment, condensing equipment has steam inlet (136), steam inlet (136) with steam drain (410) intercommunication, steam in the cavity passes through the comdenstion water that forms after the condensing equipment cooling can flow back to in the cavity, heating plate (430) of steam cooking equipment can be right the comdenstion water heats.

2. The steam cooking apparatus according to claim 1, wherein the condensing means includes a condensing reflux box (130), the condensing reflux box (130) includes an inner tube (139) and an outer tube (134) sleeved on the inner tube (139), the inner tube (139) has an inner portion forming a steam passage (137), the inner tube (139) and the outer tube (134) have a cooling water passage (132) therebetween, and the cooling water passage (132) and the steam passage (137) are not communicated with each other;

the opening of one end of the inner pipe (139) forms the steam inlet (136); the outer pipe (134) is provided with a water inlet (131) for cooling water to enter the cooling water passage (132) and a water outlet (133) for cooling water to flow out of the cooling water passage (132).

3. Steam cooking device according to claim 2, characterised in that the water inlet (131) is arranged at a lower part of the outer tube (134) and the water outlet (133) is arranged at an upper part of the outer tube (134).

4. Steam cooking device according to claim 3, characterised in that said water outlet (133) is connected to said evaporator (300).

5. The steam cooking apparatus according to claim 4, further comprising a water level balancing box (200), wherein the water outlet (133) is connected to the evaporator (300) through the water level balancing box (200).

6. Steam cooking device according to claim 5, wherein the condensation means further comprises a water tank (110) and a water pump (120), a water suction end of the water pump (120) extending into the water tank (110), a water discharge of the water pump (120) communicating with the water inlet (131) of the outer tube (134).

7. The steam cooking device according to any of the claims 2-6, wherein an opening of an end of the inner tube (139) opposite to the steam inlet (136) forms a steam outlet (138), the inner bladder assembly (400) comprising a steam exhaust box (420), the steam outlet (138) communicating with the steam exhaust box (420).

8. Steam cooking device according to any of claims 2-6, characterized in that the steam channel (137) is cylindrical.

9. Steam cooking device according to any of claims 2-6, characterized in that the steam channel (137) is helical.

10. Steam cooking device according to any of claims 2 to 6, characterised in that the outer tube (134) has a rectangular cross section.

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