CN214387204U

CN214387204U - Steam cooking equipment

Info

Publication number: CN214387204U
Application number: CN202021044798.7U
Authority: CN
Inventors: 高宁; 罗淦恩; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-10-15
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a steam cooking equipment, including box, humidification device, dehydrating unit, oxygen sensor and controller, wherein the box respectively with humidification device the dehydrating unit is linked together, oxygen sensor set up in the box, the controller respectively with humidification device the dehydrating unit with oxygen sensor electric connection, its simple structure cooks effectually, does benefit to the use that improves the user and experiences.

Description

Steam cooking equipment

Technical Field

The utility model relates to a kitchen electricity technical field especially relates to a steam cooking equipment.

Background

In the related art, the use of steam cooking devices is becoming more and more popular, but the current steam cooking devices cannot realize the functions of humidifying, dehumidifying and humidity detecting the steam cooking devices, so that it is difficult to meet the cooking requirements of different customers.

In addition, in the cooking process of food, humidity control in the steam cooking device is an important control parameter index in order to ensure the cooking effect. In order to detect humidity data in a steam cooking device, a low temperature humidity sensor has been used in the steam cooking device in the prior art for measuring humidity in the steam cooking device in a low temperature fermentation state. However, most of steam cooking devices have cooking menus with working temperatures above 200 ℃, and currently, there is no humidity sensor which can be stably used for measuring humidity at high temperature, so that humidity monitoring in the steam cooking devices is still difficult, and humidity control in the steam cooking devices can be usually performed only according to experimental data of the menus.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model discloses an aim at provides a steam cooking equipment, its simple structure, and culinary art is effectual, does benefit to the use that improves the user and experiences.

The above purpose is realized by the following technical scheme:

the utility model provides a steam cooking equipment, includes box, humidification device, dehydrating unit, oxygen sensor and controller, wherein the box respectively with humidification device the dehydrating unit is linked together, the oxygen sensor set up in the box, the controller respectively with humidification device the dehydrating unit with oxygen sensor electric connection.

In some embodiments, a control valve is disposed between the tank and the dehumidifying apparatus, and the control valve is electrically connected to the controller.

In some embodiments, the humidifying device includes a water tank, a water pump and an evaporator, wherein the water tank, the water pump and the evaporator are connected in sequence, and a steam outlet of the evaporator is communicated with the tank body.

In some embodiments, the dehumidifying device includes a low-temperature condensation zone, a steam inlet of the low-temperature condensation zone is communicated with the tank, and a condensed water outlet of the low-temperature condensation zone is communicated with the water tank.

In some embodiments, the vapor inlet of the low-temperature condensation zone is disposed at one side of the low-temperature condensation zone, and a temperature and humidity exchange baffle is disposed at the other side of the low-temperature condensation zone opposite to the vapor inlet.

In some embodiments, the oxygen sensor is disposed at the top of the tank, and the detection end of the oxygen sensor extends downward into the tank from the top of the tank.

In some embodiments, the absolute humidity within the enclosure is calculated by the following equation:

wherein k is absolute humidity in the box body, a is oxygen concentration in the box body detected by the oxygen sensor, and rho is density of the water vapor.

In some embodiments, the density of the water vapor is determined based on a water vapor concentration within the tank.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model discloses a steam cooking equipment, its simple structure, culinary art effect is good, does benefit to the use that improves the user and experiences.

2. The utility model discloses a steam cooking equipment can effectively measure the humidity condition in the steam cooking equipment, and then carries out work according to real-time humidity data control humidification device and dehydrating unit to reach more accurate control and reach better culinary art effect.

Drawings

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

fig. 2 is a schematic structural diagram of a humidifying device in an embodiment of the present invention;

fig. 3 is a sectional view showing the structure of a dehumidifying apparatus according to an embodiment of the present invention;

fig. 4 is a block circuit diagram of a steam cooking apparatus according to an embodiment of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

The first embodiment is as follows: as shown in fig. 1, 2, 3 and 4, the present embodiment provides a steam cooking device, which includes a box 1, a humidifying device, a dehumidifying device, an oxygen sensor 2 and a controller, wherein the box 1 is respectively communicated with the humidifying device and the dehumidifying device, the oxygen sensor 2 is disposed in the box 1, and the controller is respectively electrically connected with the humidifying device, the dehumidifying device and the oxygen sensor 2.

The steam cooking equipment of this embodiment, its simple structure, culinary art effect is good, does benefit to the use experience that improves the user.

In addition, the steam cooking equipment of this embodiment can effectively measure the humidity condition in the steam cooking equipment, and then carries out work according to real-time humidity data control humidification device and dehydrating unit to reach more accurate control and reach better culinary art effect. Specifically, can increase the humidity in the box 1 through control humidification device, can reduce the humidity in the box 1 through the dehydrating unit, and then make the humidity in the box 1 be in the suitable within range of relative stability, do benefit to the culinary art effect that improves steam cooking equipment from this.

In this embodiment, a control valve 3 is disposed between the box body 1 and the dehumidifying apparatus, the control valve 3 is electrically connected to the controller, and preferably, the control valve 3 is a stepping motor valve, so that more accurate adjustment can be achieved. The opening of the steam exhaust pipe between the box body 1 and the dehumidifying device can be controlled by controlling the work of the stepping motor valve, so that the steam in the box body 1 is in an unsaturated or saturated state, and normal steam exhaust and condensation dehumidification are realized.

Preferably, the humidifying device comprises a water tank 4, a water pump 5 and an evaporator 6, wherein the water tank 4, the water pump 5 and the evaporator 6 are sequentially connected, and a steam outlet of the evaporator 6 is communicated with the box body 1. The water pump 5 pumps water in the water tank 4 into the evaporator 6, and the evaporator 6 operates to heat the water into steam and supply the steam into the cabinet 1 for cooking food. Specifically, the controller is electrically connected to the evaporator 6, and the control logic of the evaporator 6 controls the amount of the steam generated by the evaporator 6 by controlling the duty ratio of the signal output from the controller to the evaporator 6, thereby achieving the purpose of controlling the amount of the steam entering the box 1.

In this embodiment, the dehumidifying device includes a low-temperature condensation area 7, a steam inlet of the low-temperature condensation area 7 is communicated with the box body 1, and a condensed water outlet of the low-temperature condensation area 1 is communicated with the water tank 4. The high-temperature steam entering the low-temperature condensation area 7 can be cooled through the arranged low-temperature condensation area 7, the steam in the unsaturated state is changed into the steam in the saturated state, namely, the steam is discharged after liquid water is formed, and the process of converting the steam into the liquid water is the process of 'dehumidification'. When the humidity in the low-temperature condensation area 7 is in a saturated state, namely in a condensation state, the humidity in the box body 1 can be reduced, and the effect of rapid dehumidification is achieved. In addition, the opening degree of the stepping motor valve can be controlled to be in a saturated state and a non-saturated state. In addition, the formed liquid water, namely the condensed water, is recycled into the water tank 4, so that the effect of reducing the drainage of the condensed water is achieved, the water resource can be reused, and the utilization rate of the water resource is improved.

In this embodiment, the steam inlet of low temperature condensation district 7 sets up in one side of low temperature condensation district 7, in low temperature condensation district 7, the opposite side relative with the steam inlet is provided with warm and humid exchange baffle 8, spout into the steam in low temperature condensation district 7 through the steam inlet and contact with warm and humid exchange baffle 8, can carry out the rapid condensation cooling to the high temperature steam that enters into in low temperature condensation district 7 through the warm and humid exchange baffle 8 that sets up to improve dehumidification efficiency.

Preferably, oxygen sensor 2 sets up at the top of box 1, and in oxygen sensor 2's sense terminal downwardly extending to box 1 from the top of box 1, its simple structure, reasonable in design, ingenious is convenient for realize oxygen sensor 2's installation and to the accurate detection of humidity in the box 1.

Further, the absolute humidity in the box 1 is calculated by the following formula:

wherein k is the absolute humidity in the box body 1, a is the oxygen concentration in the box body 1 detected by the oxygen sensor 2, ρ is the density of the water vapor, and the density of the water vapor is determined according to the water vapor concentration in the box body 1, and the absolute humidity in the box body 1 can be quickly calculated after the detected oxygen concentration in the box body 1.

In particular, O in normal air₂Concentration 21%, N₂The concentration was 79%, the other gases were omitted.

During the humidification of the steam cooking device, the proportion of the air in the box body 1 is gradually reduced along with the increase of the amount of the water vapor, and if the air is detected to be O at the moment₂When the concentration is 2%, N is₂At a concentration of 8%, in particular, N₂The concentration was 2% 79%/21%, from which N was calculated₂The concentration is 8%, the rest is water vapor, the water vapor accounts for 90%, specifically, the water vapor accounts for 1-2% -8%, the density of the water vapor is rho when the water vapor accounts for 90%, and then the absolute humidity in the box body 1 is obtained by looking up a table

The operation of the steam cooking apparatus of the present embodiment is explained as follows:

1. humidifying, namely setting different humidity gears by controlling the opening and closing time of an evaporator;

2. detecting the temperature, namely detecting the current oxygen concentration in the box body 1 through an oxygen sensor and calculating the current humidity in the box body 1;

3. dehumidifying, namely increasing the humidity entering a low-temperature condensation area 7 by increasing the opening of a stepping motor valve to enable the low-temperature condensation area to work in an oversaturated state, forming condensed water by steam in the oversaturated state, and entering a water tank 4 of a humidifying device through a condensed water collecting pipeline for secondary utilization;

4. according to the intelligent menu, the actual humidity detection calculation value is compared with a threshold value, and the humidification and dehumidification functions are reasonably selected.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The steam cooking equipment is characterized by comprising a box body (1), a humidifying device, a dehumidifying device, an oxygen sensor (2) and a controller, wherein the box body (1) is communicated with the humidifying device and the dehumidifying device respectively, the oxygen sensor (2) is arranged in the box body (1), and the controller is electrically connected with the humidifying device, the dehumidifying device and the oxygen sensor (2) respectively.

2. A steam cooking device according to claim 1, characterized in that a control valve (3) is provided between the cabinet (1) and the dehumidifying means, the control valve (3) being electrically connected to the controller.

3. Steam cooking device according to claim 1, characterized in that the humidifying means comprise a water tank (4), a water pump (5) and an evaporator (6), wherein the water tank (4), the water pump (5) and the evaporator (6) are connected in sequence, and the steam outlet of the evaporator (6) is in communication with the cabinet (1).

4. A steam cooking device according to claim 3, characterized in that said dehumidifying means comprise a cryocondensation zone (7), the steam inlet of said cryocondensation zone (7) being in communication with said tank (1), the condensed water outlet of said cryocondensation zone (7) being in communication with said water tank (4).

5. A steam cooking device according to claim 4, characterized in that the steam inlet of the cryocondensation zone (7) is arranged at one side of the cryocondensation zone (7), and a moisture-temperature exchange baffle (8) is arranged in the cryocondensation zone (7) at the opposite side to the steam inlet.

6. A steam cooking device according to any of claims 1 to 5, characterized in that the oxygen sensor (2) is arranged on the top of the box (1), and the detection end of the oxygen sensor (2) extends downwards from the top of the box (1) into the box (1).