CN219069915U

CN219069915U - Moisture removal air duct system of steaming and baking box

Info

Publication number: CN219069915U
Application number: CN202222890019.0U
Authority: CN
Inventors: 王武刚; 付远华; 曹骥
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-26
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a wet air duct system of row of steaming and baking box, includes the cavity and locates the inside air heater baffle of cavity, forms the hot-blast chamber between air heater baffle and the cavity curb plate, opens on the air heater baffle has hot-blast export and return air inlet, installs heating pipe and flabellum in the hot-blast chamber, and the hot-blast outside air inlet that is equipped with the air inlet passageway, and the air intake of air inlet passageway is linked together with steaming and baking box outside, and the air outlet of air inlet passageway is linked together with hot-blast room inside, and the cavity has the gas vent, and the gas vent is linked together with steaming and baking box outside through the exhaust passageway. The utility model has the advantages that: the air inlet of the air inlet channel outside the moisture removal channel system of the steaming oven is communicated with the outside of the steaming oven, the air outlet of the air inlet channel is communicated with the inside of the hot air chamber, the air outlet of the cavity is communicated with the outside of the steaming oven through the air outlet channel, the functions of the two channel systems can be realized through the rotation of one fan blade, and the water vapor in the cavity can be forced to be extruded, so that the effect of quickly removing moisture from the cavity is realized.

Description

Moisture removal air duct system of steaming and baking box

Technical Field

The utility model relates to cooking equipment, in particular to a moisture removal channel system of a steaming oven.

Background

Humidity control is very important in the process of cooking food in a steaming oven, and related to the taste of the cooked food, the rapid dehumidification is a function which is necessary for a humidity control technology, otherwise, the humidity cannot be controlled. Products in the current market generally adopt a natural dehumidification mode, namely an exhaust port is formed in the liner, the products are connected to an exhaust channel through a connecting pipe for natural exhaust, the dehumidification speed is low, and a good cooking effect can not be achieved for dishes with high humidity requirements, such as dried vegetables and fruits. In the cooking process, the food material can generate steam by heating the food material through hot air, and if the steam cannot be rapidly discharged from the cavity, the final cooking effect of the food material can be influenced. For example, baking lemon slices, which generate a great amount of water vapor during baking, can greatly prolong the time required for baking the lemon slices if the part of water vapor cannot be rapidly discharged from the cavity. The existing steaming and baking cooking equipment is provided with a corresponding exhaust system, such as 'a steaming and baking oven and microwave oven integrated machine' disclosed in application number 201911111601.9 (application publication number CN 112790595A), the hot air circulation system comprises a hot air fan, the exhaust system comprises an exhaust fan, the air quantity of the hot air fan is small, the dehumidification and the exhaust air are mainly realized through the exhaust fan, the exhaust fan is arranged at the top of the cavity, a certain space in the box body is occupied, and two fans are adopted, so that the structure is complex, and the cost is high.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a moisture-removing channel system of a steaming oven capable of rapidly discharging water vapor in a cooking cavity.

The technical scheme adopted for solving the technical problems is as follows: the wet air duct system of the steam oven comprises a cavity and an air heater baffle arranged in the cavity, wherein a hot air chamber is formed between the air heater baffle and a side plate of the cavity, a hot air outlet and an air return opening are formed in the air heater baffle, and a heating pipe and fan blades are arranged in the hot air chamber, and the wet air duct system is characterized in that: the outside of hot-blast room is equipped with the air inlet passageway, the air intake of air inlet passageway is linked together with the steam oven outside, the air outlet of air inlet passageway is linked together with hot-blast indoor portion, the cavity has the gas vent, the gas vent is linked together with the steam oven outside through the exhaust passage.

In order to control the opening and closing of the air inlet channel, an air valve for opening or closing the air inlet channel is arranged on the air inlet channel.

In order to enable the system to intelligently control the air valve according to the humidity of the cavity, the system further comprises a humidity sensor capable of detecting the humidity in the cavity and a controller electrically connected with the humidity sensor, and the controller can correspondingly control the air valve according to the received output signal of the humidity sensor.

In order to outwards discharge the vapor in the cavity, the exhaust port is arranged at the bottom of the cavity, the exhaust channel comprises a bottom exhaust channel and an exhaust pipe, the bottom exhaust channel is arranged at the bottom of the cavity, an inlet of the bottom exhaust channel is communicated with the exhaust port, an outlet of the bottom exhaust channel is communicated with the lower end of the exhaust pipe, and the upper end of the exhaust pipe extends upwards to the top of the steaming and baking box.

The fan blade can have multiple structures, preferably, the fan blade includes base, water conservancy diversion circle, first blade and second blade, the front side of base is located to the water conservancy diversion circle, first blade is located between base and the water conservancy diversion circle and circumference interval distribution, the second blade is fixed on the back wall of base and along circumference interval distribution, be formed with the air current passageway between the back wall of base and the cavity curb plate, the air inlet passageway is linked together with hot-blast room through the air current passageway.

Further preferably, the height of the first blade is higher than the height of the second blade.

In order to prevent the first blade from deforming in a high-temperature environment, reinforcing ribs are formed on the wall surface of the first blade.

In order to drive the fan blades to rotate, preferably, a hot air blower for driving the fan blades to rotate is arranged at the back of the hot air chamber.

The air heater can have various mounting structures, and preferably, an air heater mounting bracket is mounted on the cavity side plate, and the air heater is mounted on the air heater mounting bracket.

Compared with the prior art, the utility model has the advantages that: the moisture-discharging air duct system of the steaming oven is provided with an air inlet channel outside the cavity body hot air chamber, an air inlet of the air inlet channel is communicated with the outside of the steaming oven, an air outlet of the air inlet channel is communicated with the inside of the hot air chamber, an air outlet of the cavity body is communicated with the outside of the steaming oven through the air outlet channel, the functions of the two air duct systems can be realized through rotation of one fan blade, and water vapor in the cavity body can be forced to be extruded out, so that the effect of quickly discharging moisture of the cavity body is realized.

Drawings

FIG. 1 is a schematic view of a steaming oven according to an embodiment of the present utility model;

fig. 2 is a schematic view of the internal structure of the steaming oven according to the present embodiment;

fig. 3 is a schematic view of another internal structure of the steaming oven according to the present embodiment;

fig. 4 is a structural sectional view of the steaming oven of the present embodiment;

FIG. 5 is a schematic view of a fan blade of the steaming oven according to the embodiment;

FIG. 6 is a schematic view of another angle of the fan blade shown in FIG. 5.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 4, the moisture exhaust duct system of the steaming oven of the present embodiment includes a cavity 1 and a hot air blower baffle 2 disposed inside the cavity, and a hot air chamber 3 is formed between the hot air blower baffle 2 and a left side plate 12 of the cavity, with the direction indicated by an arrow a in fig. 1 being the right. The hot air baffle plate 2 is provided with a hot air outlet 21 and a return air inlet 22, the hot air chamber 3 is internally provided with a heating pipe 4 and fan blades 5, the left side plate 12 of the cavity body, namely the back part of the hot air chamber 3, is provided with a hot air blower mounting plate 13, the hot air blower 10 is arranged on the hot air blower mounting plate 13, and the hot air blower 10 is used for driving the fan blades 5 to rotate. An air inlet channel 6 is arranged outside the hot air chamber 3, an air inlet of the air inlet channel 6 is communicated with the outside of the steaming oven, an air outlet of the air inlet channel 6 is communicated with the inside of the hot air chamber 3, and an air valve 7 for opening or closing the air inlet channel 6 is arranged on the air inlet channel 6. In this embodiment, a humidity sensor (not shown) capable of detecting the humidity inside the cavity is installed outside the cavity 1, and a controller (not shown) is further included and electrically connected with the humidity sensor, where the controller can correspondingly control the opening and closing of the air valve 7 or adjust the opening of the air valve 7 according to the received output signal of the humidity sensor.

The bottom of the cavity 1 is provided with an exhaust port 11, and the exhaust port 11 is communicated with the outside of the steaming oven through an exhaust channel 8. In this embodiment, the exhaust passage 8 includes a bottom exhaust passage 81 and an exhaust pipe 82, the bottom exhaust passage 81 is disposed at the bottom of the cavity 1, an inlet of the bottom exhaust passage 81 is communicated with the exhaust port 11, an outlet of the bottom exhaust passage 81 is communicated with a lower end of the exhaust pipe 82, and an upper end of the exhaust pipe 82 extends upward to a top of the steaming oven.

As shown in fig. 5 and 6, the fan blade 5 of the present embodiment includes a base 51, a guide ring 52, first blades 53 and second blades 54, the guide ring 52 is disposed on the front side of the base 51, the first blades 53 are disposed between the base 51 and the guide ring 52 and circumferentially spaced apart, and the second blades 54 are fixed on the rear wall surface of the base 51 and circumferentially spaced apart. The design of the guide ring 52 can promote the intensity of the first blade 51 on one hand, and on the other hand, the hot air in the cavity 1 can be more smoothly led into the negative pressure area in the front part of the fan blade 5, thereby playing the roles of improving the air quantity and reducing the noise. In addition, the height of the first vane 53 is higher than that of the second vane 54, and in order to increase the strength of the first vane 53, the wall surface of the first vane 53 is formed with reinforcing ribs 531.

As shown in fig. 4, an air flow channel 9 is formed between the rear wall of the base 51 of the fan blade 5 and the left side plate 12 of the cavity, and the air inlet channel 6 is communicated with the hot air chamber 3 through the air flow channel 9.

The moisture removal channel system of the steaming oven comprises a first channel system and a second channel system. The first air duct system is a hot air circulating system formed by the hot air blower 10, the front part of the fan blade 5, the hot air blower baffle 2 and the cavity 1, and is consistent with the hot air circulating system of the oven in the current market, the fan blade 5 is driven to rotate by the hot air blower 10, the hot air in the front space of the fan blade 5, namely the space corresponding to the first fan blade 53, is driven away by the fan blade 5 to form negative pressure in the rotating process, then the hot air in the cavity 1 enters the front space of the fan blade 5 through the air return opening 22 in the middle of the hot air blower baffle 2, and then the hot air is driven to the cavity 1 through the hot air outlets 21 around the hot air blower baffle 2 again in the front part of the fan blade 5, so that the hot air is circulated, and food materials in the cavity 1 can be heated and cooked.

The second air duct system consists of an air valve 7, an air heater 10, the rear parts of fan blades 5, a cavity 1, an air heater baffle 2, an exhaust port 11 at the bottom of the cavity 1 and an exhaust channel 8. When certain air environments needing to be relatively dry are cooked, the controller gives out instructions, the air valve 7 is controlled to be opened, the air heater 10 drives the fan blade 5 to start rotating, the second blade 53 at the rear part of the fan blade 5 drives air in the area between the rear part of the fan blade 5 and the left side plate 12 of the cavity to form negative pressure, the external air enters the negative pressure area from the inlet of the air valve 7 to the air inlet channel 6 and then is blown out from the air flow channel 9 between the fan blade base 52 and the left side plate 12 of the cavity to enter the cavity 1, then water vapor in the cavity 1 is extruded from the exhaust port 11 at the bottom to enter the bottom exhaust channel 81, and then the water vapor is exhausted from the exhaust pipe 82. The water vapor in the cavity 1 is forced to be extruded, so that the moisture removal speed is much faster than the natural moisture removal speed, and the relative humidity in the cavity is reduced from 90% to 5% by testing, and only about 1 minute is needed. If rapid dehumidification is not required, the air valve 7 is closed, so that the humidity of the cavity 1 is well controlled. In addition, the humidity of the chamber 1 can be adjusted by controlling the opening of the air valve 7.

Therefore, the moisture-removing air duct system of the steaming and baking oven of the embodiment realizes the functions of two air duct systems simultaneously through one air heater 10, has more compact structure and good moisture-removing effect.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. The utility model provides a wet duct system of row of steaming and baking box, includes cavity (1) and locates inside air heater baffle (2) of cavity, form hot-blast room (3) between air heater baffle (2) and the cavity curb plate, it has hot-blast export (21) and return air inlet (22) to open on air heater baffle (2), install heating pipe (4) and flabellum (5) in hot-blast room (3), its characterized in that: the outside of hot-blast room (3) is equipped with air inlet channel (6), the air intake of air inlet channel (6) is linked together with the steam oven outside, the air outlet of air inlet channel (6) is linked together with hot-blast room (3) inside, cavity (1) have gas vent (11), gas vent (11) are linked together with the steam oven outside through exhaust passage (8).

2. The moisture removal duct system of a steam oven of claim 1, wherein: an air valve (7) for opening or closing the air inlet channel (6) is arranged on the air inlet channel (6).

3. The moisture removal duct system of a steam oven of claim 2, wherein: the air valve is characterized by further comprising a humidity sensor capable of detecting the humidity inside the cavity (1) and a controller electrically connected with the humidity sensor, wherein the controller can correspondingly control the air valve (7) according to the received output signal of the humidity sensor.

4. The moisture removal duct system of a steam oven of claim 1, wherein: the utility model discloses a steam oven, including cavity (1), gas vent (11), exhaust passage (8), cavity (1) bottom, gas vent (11) are located cavity (1) bottom, gas vent passage (81) are located in the bottom, the entry and the gas vent (11) of bottom gas vent passage (81) are linked together, the export of bottom gas vent passage (81) with the lower extreme of blast pipe (82) is linked together, and the upper end of blast pipe (82) upwards stretches out to the top of steam oven.

5. The moisture removal duct system of a steam oven of claim 1, wherein: the fan blade (5) comprises a base (51), a guide ring (52), first blades (53) and second blades (54), wherein the guide ring (52) is arranged on the front side of the base (51), the first blades (53) are arranged between the base (51) and the guide ring (52) and distributed at intervals in the circumferential direction, the second blades (54) are fixed on the rear wall surface of the base (51) and distributed at intervals in the circumferential direction, an airflow channel (9) is formed between the rear wall of the base (51) and a cavity side plate, and the air inlet channel (6) is communicated with the hot air chamber (3) through the airflow channel (9).

6. The moisture removal duct system of a steam oven of claim 5, wherein: the height of the first blade (53) is higher than the height of the second blade (54).

7. The moisture removal duct system of a steam oven of claim 6, wherein: a reinforcing rib (531) is formed on the wall surface of the first blade (53).

8. The moisture removal duct system of a steam oven of any one of claims 1 to 7, wherein: and the back of the hot air chamber (3) is provided with a hot air blower (10) for driving the fan blades (5) to rotate.

9. The moisture removal duct system of a steam oven of claim 8, wherein: and the cavity side plate is provided with an air heater mounting bracket (13), and the air heater (10) is arranged on the air heater mounting bracket (13).