CN212186137U - Steam box - Google Patents

Abstract

The utility model relates to a steam box, which comprises an inner container and a cooking cavity; the hot air chamber is positioned at the outer side of the inner container and is in fluid communication with the cooking cavity; the hot air circulating mechanism comprises a heating device, is arranged in the hot air chamber and is used for heating air in the hot air chamber; the hot air blower comprises fan blades capable of rotating under the driving of external force, and the fan blades are positioned in the hot air chamber and used for enabling hot air to circularly flow between the cooking cavity and the hot air chamber. The hot air circulation mechanism enables the cooking cavity to be filled with hot air everywhere, namely the whole inner container can be heated, water in the inner container can be completely heated and vaporized without dead angles, the inner container is dried more thoroughly, and a plurality of heating elements are not required to be arranged in the inner container.

Description

Steam box

Technical Field

The utility model relates to a cooking equipment, concretely relates to steam ager.

Background

In the current kitchen appliance, a steam box is an appliance with high utilization rate, and after cooking of the electric steam box is finished, condensed water generated by steam condensation exists in an inner container, so that certain inconvenience is brought to cleaning of customers. The existing solution is to collect and pump the condensed water in the inner container back into the water tank or the condensed water tank, so that the customer can pour and clean the condensed water conveniently, and the fine water drops adhered to the inner wall and the bottom of the inner container need to be cleaned by the customer. However, such a cleaning method has the following drawbacks: 1. in the process that the condensed water is pumped back to the water tank or the condensed water tank through the pipeline, the water in the pipeline cannot be completely pumped out, if oil stains exist in the condensed water, the pipeline is also polluted, and the condensed water can go moldy or generate peculiar smell for a long time; 2. after the condensed water is pumped back to the water tank or the condensed water tank, a customer needs to additionally clean the water tank and the condensed water tank; 3. the side wall and the bottom of the inner container still have residual water drops, and a user is required to clean the inner container.

The utility model discloses a chinese utility model patent of patent No. CN 201820112187.8 (publication No. CN 208582205U) "discloses an electric steam box, include, the shell sets up the inner bag in the shell, sets up the fan at inner bag top and the wind channel of being connected with the fan, is equipped with steam inlet on the inner bag to be connected with steam generator, still be equipped with the air outlet on the inner bag to with the wind channel intercommunication, still include heating device, heating device configures to the comdenstion water heating in the inner bag for vapor, the air in the fan drive wind channel flows so that form the negative pressure in the wind channel, inhales the vapor in the inner bag to the wind channel in, and discharge to the atmosphere. Wherein the heating device comprises a first heating device which is arranged at the outer side of the inner container and is attached to the outer wall of the inner container and a second heating device which is arranged at the bottom of the inner cavity of the inner container.

By last, above-mentioned patent sets up the heating member on the multiple wall of inner bag, with the comdenstion water heating in the inner bag be vapor, this kind of mode is slower to the rate of heating of comdenstion water, if only set up the heating member in inner bag bottom, then the comdenstion water on the other lateral walls of inner bag needs longer time to be heated into vapor, if all set up heating element on every lateral wall of inner bag, then it is too much to cause the heating member, it is more to lead to the steam ager to wholly relate to the part, and with high costs, and even set up a plurality of heating members, also produce the heating dead angle easily, lead to the comdenstion water in the inner bag can not dry completely, and the rate that the comdenstion water was dried is.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the current situation to prior art provides one kind and need not to set up the more heating member of a quantity and can realize the steam ager at comdenstion water dry completely and do not have the heating dead angle.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides a mechanism of heating comdenstion water and influences less steam ager to the temperature of culinary art intracavity.

The utility model aims to solve the third technical problem to provide a steam ager that shortens stoving comdenstion water time through making the comdenstion water that heats into steam spill over to prior art's current situation.

The utility model provides a technical scheme that above-mentioned first and second technical problem adopted is: a steam box, comprising

An inner container having a cooking cavity;

it is characterized by also comprising

The hot air chamber is positioned at the outer side of the inner container and is in fluid communication with the cooking cavity;

the hot air circulating mechanism comprises

The heating device is arranged in the hot air chamber and used for heating the air in the hot air chamber;

the hot air blower comprises fan blades capable of rotating under the driving of external force, and the fan blades are positioned in the hot air chamber and used for enabling hot air to circularly flow between the cooking cavity and the hot air chamber.

In order to make the hot air blowing effect of the air heater better, the fan blades are provided with a plurality of pieces which are arranged at intervals along the circumferential direction, the heating device is a circular heating pipe, and the heating pipe surrounds the periphery of the fan blades.

The hot air chamber is preferably formed by: the outer side of the inner container is provided with a cover shell with an opening facing the inner container, the cover shell and the inner container form the hot air chamber in a surrounding mode, a first through hole and a second through hole which are communicated with the cooking cavity and the hot air chamber are formed in the first side wall of the inner container at intervals, the first through hole is arranged close to the center of the first side wall, and the second through hole is arranged close to the periphery of the first side wall. The hot air circulating mechanism conveys the hot air generated by the heating device to the cooking cavity through the second through hole and sucks the air flow in the cooking cavity to the hot air chamber through the first through hole for heating.

The utility model provides a technical scheme that above-mentioned third technical problem adopted does: the steam box also comprises

The box body is internally provided with the inner container;

the door body is rotatably connected to the box body and is positioned on the front side of the inner container and used for sealing the cooking cavity;

the top door mechanism is arranged in the box body, and the output end is connected with the door body and can move back and forth along the opening and closing direction of the door body.

Preferably, the top door mechanism is an electric retractor or a wax motor.

Because most of the condensed water flows to the bottom of the inner container along the side wall of the inner container, in order to further improve the efficiency of heating the condensed water, the bottom wall of the inner container is provided with a heating disc for heating the condensed water.

In consideration of the surface tension of water drops, in order to ensure that condensed water drops flow into the heating tray as much as possible, a downward concave part is formed on the bottom wall of the inner container, the heating tray is arranged in the concave part, and the side wall of the concave part inclines towards the center of the concave part from top to bottom. The lateral wall of depressed part plays the effect of water conservancy diversion, and the lateral wall that the condensation hydroenergy flows smoothly to the dish that generates heat down along the depressed part under the effect of gravity.

In order to avoid the grease and sugar possibly existing in the inner container from coking on the surface of the heating plate and enable stains to be easier to clean, preferably, a first temperature sensor for sensing the temperature of the heating plate is further arranged on the bottom wall of the inner container. When the first temperature sensor detects that the temperature of the bottom of the inner container heating plate exceeds 110 ℃, the inner container heating plate stops working.

In order to prevent the inner container from mildewing or generating peculiar smell due to overlarge humidity in the inner container, a humidity sensor and a second temperature sensor are arranged on the inner container, and a probe extends into the cooking cavity. Humidity transducer can real-time supervision inner bag humidity, and cooperate the temperature in the second temperature sensor real-time supervision inner bag, detect humidity and exceed a definite value when humidity transducer, temperature surpasses a definite value in the second temperature sensor detects the inner bag, and maintain a period of time after, the inner bag environment is very easily moldy and produces the peculiar smell, make work such as heated air circulation mechanism and dish that generates heat this moment, continuously keep being in the environment of relative drying in the inner bag, it is moldy or produce the peculiar smell in the inner bag to have avoided, the health safety of inner bag internal environment has been guaranteed.

In order to reduce the adhesion of the condensed water on the side wall of the inner container, the inner wall of the inner container is provided with the hydrophobic coating, and the condensed water can more easily flow into the bottom of the inner container and gather in the concave part due to the hydrophobic characteristic of the coating.

Compared with the prior art, the utility model has the advantages that: 1. the utility model is provided with a hot air chamber communicated with the fluid of the cooking cavity and a hot air circulating mechanism capable of generating hot air, the hot air circulating mechanism can circulate the generated hot air between the cooking cavity and the hot air chamber to heat condensed water stored in the cooking cavity, thus the cooking cavity is filled with hot air everywhere, the whole inner container can be heated, the water in the inner container can be completely heated and vaporized without dead angles, the inner container is dried more thoroughly, and a plurality of heating elements are not required to be arranged in the inner container; 2. the hot air circulation mechanism of the utility model is arranged outside the inner container, so that the space in the cooking cavity can not be occupied, and food can be placed in the cooking cavity as much as possible; secondly, more importantly, the hot air circulating mechanism can heat air flow, namely the hot air chamber is provided with temperature, the hot air chamber is arranged on the outer side, the influence on the temperature in the cooking cavity is small, otherwise, the cooking temperature in the cooking cavity is not suitable to be controlled, and the influence on the taste of food cooking is generated; 3. the utility model discloses a cooking equipment still is provided with ejection mechanism, and ejection mechanism's output links to each other with the door body and can push up the door body and open and make and have the gap between the door body and the box, so can make the comdenstion water that heats into steam in the inner bag discharge outside the steam ager more easily to the stoving time of comdenstion water has been shortened.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is a schematic structural view of the air heater and the heating pipe in FIG. 1;

fig. 7 is a schematic structural diagram of the first sidewall in fig. 1.

Detailed Description

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

As shown in fig. 1 to 7, the steam box of the preferred embodiment includes a steam generator, an inner container 1, a box body 8 and a door 9, wherein the inner container 1 has a cooking cavity 11 and is disposed in the box body 8, and the door 9 can generate position change relative to the box body 8 to open or close the cooking cavity 11 of the inner container 1. In this embodiment, the door 9 is disposed at the front of the box 8 and rotatably connected to the box, the open portion of the cooking cavity 11 faces the door 9, the open portion allows a user to take and place food in the cooking cavity 11, and the cooking cavity 11 is opened or closed by the deflection of the door 9.

The steam generator heats water to generate steam, and the steam enters the inner container 1 through the air inlet, and the steam is cooled due to the contact condensation with food and the heat exchange between the inner container and the outside in the cooking process, so that condensed water is generated.

In order to treat the condensed water, as shown in fig. 2, the steam box further comprises a cover 2 and a hot air circulation mechanism, the cover 2 is located outside the inner container 1 and opens towards the inner container 1, and the cover 2 is installed on the first side wall 14 of the inner container 1, so that the cover 2 and the first side wall 14 of the inner container 1 enclose a hot air chamber 21 located outside the inner container 1, and the first side wall 14 of the inner container 1 is provided with a first through hole 12 and a second through hole 13 at intervals, which are both communicated with the cooking cavity 11 and the hot air chamber 21, the first through hole 12 is provided with a plurality of through holes which are both arranged near the center of the first side wall 14, and the second through hole 13 is provided with a plurality of through holes which are circumferentially arranged near the periphery of the first side wall 14, so that the hot air chamber 21.

The hot air circulating mechanism comprises a heating device 3 and a hot air blower 4, the heating device 3 is arranged in the hot air chamber 21 and used for heating air in the hot air chamber 21, the hot air blower 4 comprises a fan blade 41 which can be driven by external force (such as a motor) to rotate, and the fan blade 41 is arranged in the hot air chamber 21 and used for enabling hot air to circularly flow between the cooking cavity 11 and the hot air chamber 21. As shown in fig. 6, in the present embodiment, the fan blades 41 are provided in a plurality of pieces at intervals in the circumferential direction, and the heating device 3 is a circular heating pipe that surrounds the outer periphery of the fan blades 41.

The hot air blower 4 is used for conveying hot air generated by the heating device 3 into the cooking cavity 11 through the second through hole 13 and sucking air flow in the cooking cavity 11 into the hot air chamber 21 through the first through hole 12 for heating, and the cooking cavity 11, the first through hole 12, the hot air chamber 21 and the second through hole 13 form a circulating flow channel in which the air flow circularly flows.

The cooking equipment is provided with a controller which can adopt a PLC (programmable logic controller), and the output end of the controller is electrically connected with the air heater 4 and the heating device 3. After cooking, the controller starts the hot air blower 4 and the heating device 3, the hot air blower 4 rotates at a high speed to drive the fan blades 41 to rotate, and continuous negative pressure can be generated in the hot air chamber 21, so that air and residual steam in the inner container 1 are sucked from the first through hole 12, are heated by the heating device 3, and are blown out of the cooking cavity 11 from the second through hole 13, and the air flows in a reciprocating manner; the temperature in the cooking chamber 11 is gradually raised by the heating of the air and the steam, and at this time, the water droplets remaining on the wall of the inner container 1 are evaporated into steam. Because the gas in the inner container 1 expands, the steam is discharged through the exhaust port of the inner container 1, so that the water in the inner container 1 can be evaporated to be dry after a period of time, and the cleanness of customers is avoided.

Of course, the controller may not be provided, and the hot air blower 4 and the heating device 3 may be manually activated after cooking is completed.

In this embodiment, the bottom wall 15 of the inner container 1 is provided with the heating plate 5 capable of heating to heat the condensed water, thereby further improving the efficiency of heating the condensed water. As shown in fig. 4, in order to ensure that the condensed water drops flow into the heat generating tray 5 as much as possible in consideration of the surface tension of the water drops, a recess 151 is formed on the bottom wall 15 of the inner container 1 to be recessed downward, the heat generating tray 5 is disposed in the recess 151, and the side wall of the recess 151 is inclined toward the center of the recess 151 from the top to the bottom. The side wall of the recess 151 plays a role of guiding the flow, and the condensed water can smoothly flow to the heating tray 5 along the side wall of the recess 151 under the action of gravity. Preferably, the inclination angle of the side wall of the recess 151 with respect to the horizontal plane is greater than or equal to 6 °, which provides a better guiding effect for the condensed water.

In order to reduce the adhesion of the condensed water on the side wall of the inner container 1, the inner wall of the inner container 1 is provided with a hydrophobic coating, and the condensed water can more easily flow into the bottom of the inner container 1 and gather in the concave part 151 due to the hydrophobic characteristic of the coating.

As shown in fig. 4, a first temperature sensor 51 for sensing the temperature of the heating plate 5 is further disposed on the bottom wall 15 of the inner container 1, and the first temperature sensor 51 is an NTC thermal resistor in this embodiment. As shown in fig. 1 and 2, the inner container 1 is provided with a humidity sensor 7 and a second temperature sensor 6, the probes of which extend into the cooking cavity 11. The first temperature sensor 51, the second temperature sensor 6 and the humidity sensor 7 are all electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the heating plate 5.

When the first temperature sensor 51 detects that the temperature of the bottom of the inner container heating disc 5 exceeds 110 ℃, a signal is sent to the controller, the controller stops the heating disc 5 to work, and possible grease and sugar in the inner container 1 are prevented from being coked on the surface of the heating disc 5, so that stains are easier to clean.

In addition, the humidity sensor 7 can monitor the humidity in the inner container 1 in real time, and the temperature in the inner container 1 is monitored in real time by matching with the second temperature sensor 51, when the temperature and the humidity reach certain conditions (the inner container is easy to mildew under the conditions), the controller controls the hot air circulation mechanism and/or the heating disc 5 to work, and the like, so that the inner container 1 is continuously kept in a relatively dry environment, the mildew or peculiar smell in the inner container 1 is avoided, and the health and safety of the environment in the inner container 1 are ensured.

As shown in fig. 2 and 5, a top door mechanism 0 located at the top of the box 8 is arranged in the box 8, the top door mechanism 0 is located outside the inner container 1, in this embodiment, the top door mechanism 0 is a wax motor, and certainly, the top door mechanism can also be an electric expansion device (such as an electric push rod), the output end of the top door mechanism 0 can be connected with the door body 9 and can move back and forth along the opening and closing direction of the door body 9, so that when the output end of the top door mechanism 0 moves towards the opening direction of the door body 9, the door body 9 is pushed open to form a gap between the door body 9 and the box 8, so that steam in the inner container 1 can be discharged outside the box 8 more easily, and the drying time.

The cover body 2 in this embodiment is disposed on the first side wall 14 of the liner 1, where the first side wall 14 refers to one of the side walls of the liner 1, and may be a top wall or a circumferential side wall.

Claims (10)

1. A steam box, comprising

An inner container (1) having a cooking cavity (11);

it is characterized by also comprising

A hot air chamber (21) which is positioned outside the inner container (1) and is communicated with the cooking cavity (11) in fluid;

the hot air circulating mechanism comprises

The heating device (3) is arranged in the hot air chamber (21) and is used for heating the gas in the hot air chamber (21);

the hot air machine (4) comprises a fan blade (41) capable of rotating under the driving of an external force, wherein the fan blade (41) is positioned in the hot air chamber (21) and is used for enabling hot air flow to circularly flow between the cooking cavity (11) and the hot air chamber (21).

2. The steam box of claim 1, wherein: the fan blades (41) are arranged at intervals along the circumferential direction, the heating device (3) is a circular heating pipe, and the heating pipe surrounds the periphery of the fan blades (41).

3. The steam box of claim 1, wherein: the outer side of the inner container (1) is provided with a cover shell (2) with an opening facing the inner container (1), the cover shell and the inner container enclose a hot air chamber (21), a first through hole (12) and a second through hole (13) which are communicated with a cooking cavity (11) and the hot air chamber (21) are arranged on a first side wall (14) of the inner container (1) at intervals, the first through hole (12) is arranged near the center of the first side wall (14), and the second through hole (13) is arranged near the periphery of the first side wall (14).

4. The steam box according to any one of claims 1 to 3, wherein: also comprises

The box body (8) is internally provided with the inner container (1);

the door body (9) is rotatably connected to the box body (8), is positioned on the front side of the inner container (1) and is used for sealing the cooking cavity (11);

the top door mechanism (0) is arranged in the box body (8), and the output end of the top door mechanism is connected with the door body (9) and can move back and forth along the opening and closing direction of the door body (9).

5. The steam box of claim 4, wherein: the top door mechanism (0) is an electric expansion piece or a wax motor.

6. The steam box according to any one of claims 1 to 3, wherein: and a heating disc (5) for heating condensed water is arranged on the bottom wall (15) of the inner container (1).

7. The steam box of claim 6, wherein: a concave part (151) which is concave downwards is formed on the bottom wall (15) of the inner container (1), the heating disc (5) is arranged in the concave part (151), and the side wall of the concave part (151) inclines towards the center of the concave part (151) from top to bottom.

8. The steam box of claim 6, wherein: the bottom wall (15) of the inner container (1) is also provided with a first temperature sensor (51) for sensing the temperature of the heating plate (5).

9. The steam box according to any one of claims 1 to 3, wherein: the inner container (1) is provided with a humidity sensor (7) and a second temperature sensor (6) of which the probes extend into the cooking cavity (11).

10. The steam box according to any one of claims 1 to 3, wherein: and a hydrophobic coating is arranged on the inner wall of the inner container (1).

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