CN113679256A - Control method of steaming and baking oven and steaming and baking oven - Google Patents

Abstract

The invention discloses a control method of a steam oven and the steam oven, belonging to the technical field of kitchen electricity, wherein the control method of the steam oven comprises the following steps: when the steaming function is executed, the gas supply device is started to provide steam into the chamber, and the top heater in the chamber is heated at a first power; adjusting the heating power of the top heater based on the actual temperature within the chamber. The steaming oven is controlled by the control method of the steaming oven. Because the top heater sets up in the top of cavity, it is nearer apart from the roof of cavity, can prevent that the top of cavity from gathering the comdenstion water, according to the actual temperature in the cavity, adjust top heater heating power, when preventing that the top of cavity from gathering the comdenstion water, can also play the auxiliary heating effect, do benefit to the inside rapid heating up of cavity, after the temperature rise, can reduce top heater's heating power, can the energy can be saved.

Description

Control method of steaming and baking oven and steaming and baking oven

Technical Field

The invention relates to the technical field of kitchen electricity, in particular to a control method of a steaming and baking oven and the steaming and baking oven.

Background

With the improvement of the quality of life of people, ovens and steam boxes are widely applied to the field of cookers. Traditional electric steamer and electric oven are two detached machines, and occupation space is big, therefore has assembleed steaming function and roast all-in-one of steaming and baking of function and has come into force.

In the existing steaming and baking integrated machine, heaters are arranged above and below a cavity and are used for baking and steaming respectively. Specifically, when the baking function is executed, the heater above is turned on and runs at a high temperature to bake the food; when the steaming function is executed, the heater below is turned on, and the heater above is turned off. When the food is steamed, condensed water is generated at the top of the cavity and drops on the food, so that the taste and the appearance of the food are influenced.

Disclosure of Invention

The invention aims to provide a control method of a steaming and baking oven and the steaming and baking oven, which aim to solve the technical problem that condensed water drops on food when the food is steamed in the prior art.

As the conception, the technical scheme adopted by the invention is as follows:

a control method of a steaming oven, comprising:

when the steaming function is executed, the gas supply device is started to provide steam into the chamber, and the top heater in the chamber is heated at a first power; adjusting the heating power of the top heater based on the actual temperature within the chamber.

Wherein the top heater heats at a second power when the temperature in the chamber reaches a first set temperature, the first power being greater than the second power.

Wherein, when the top heater is heated at the second power and the temperature in the cavity is lower than a second set temperature, the top heater is heated at a third power, and the third power is greater than the second power and less than the first power.

Wherein the second power is 1/4-1/3 of the first power, and the third power is 1/3-1/2 of the first power.

Wherein, still include:

when the baking function is executed, the top heater heats at full power, and the air supply device is controlled to be opened according to the actual humidity in the cavity.

Wherein, when carrying out roast function, detect humidity value in the cavity, work as humidity value in the cavity is less than first settlement humidity and lasts when first settlement long term, air feeder opens in order to provide steam in the cavity.

And after the air supply device is started, when the humidity value in the cavity reaches a second set humidity, controlling the air supply device to be closed.

And after the gas supply device is started, the gas supply device is automatically closed after the starting time of the gas supply device reaches a second set time.

According to different food types, the steaming function is executed firstly and then the baking function is executed, or the baking function is executed firstly and then the steaming function is executed, or the steaming function and the steaming function are executed alternately.

A steaming oven is controlled by the control method of the steaming oven.

The invention has the beneficial effects that:

according to the control method of the steaming and baking box, when the steaming function is executed, the air supply device is started to generate steam, the top heater in the cavity is heated at the first power, the top heater is arranged at the top of the cavity and is close to the top wall of the cavity, condensed water can be prevented from accumulating at the top of the cavity, the heating power of the top heater is adjusted according to the actual temperature in the cavity, the heating power of the top heater can be adjusted, the condensed water can be prevented from accumulating at the top of the cavity, the auxiliary heating effect can be achieved, the rapid temperature rise in the cavity is facilitated, the heating power of the top heater can be reduced after the temperature rises, and energy can be saved.

Drawings

FIG. 1 is a schematic structural diagram of a steaming oven provided by an embodiment of the present invention;

FIG. 2 is a top view of a steam oven provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an angled configuration of the bladder provided by embodiments of the present invention;

FIG. 5 is a schematic view of another angle of the inner container according to the present invention;

fig. 6 is a first flowchart of a control method of a steaming oven according to an embodiment of the present invention;

fig. 7 is a second flowchart of a control method of a steaming oven according to an embodiment of the present invention.

In the figure:

1. a housing;

2. an inner container; 21. heating a water tray; 22. a bottom heater; 23. a top heater;

3. a heat radiation fan;

4. a steam generator;

5. a tray.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1 to 5, an embodiment of the present invention provides a steaming oven, which includes an outer shell 1 and an inner container 2, wherein the inner container 2 forms a cavity therein for placing food to be cooked. An interlayer is formed between the shell 1 and the inner container 2, and a heat radiation fan 3 is arranged in the interlayer to radiate the inner container 2. The steaming oven also comprises an air supply device used for providing water vapor so as to realize the steaming function. The air supply device is of an existing structure, and the prior art can be referred to.

The gas supply means may be: the bottom of the inner container 2 is provided with a heating water tray 21, a bottom heater 22 connected with the heating water tray 21 is arranged in the interlayer, water can be placed in the heating water tray 21, and the bottom heater 22 heats the heating water tray 21 to generate water vapor.

The air supply means may also be: a steam generator 4 is arranged on one side of the inner container 2 in the interlayer, and an air outlet of the steam generator 4 is communicated with the inside of the inner container 2 and can provide water steam into the cavity. The steam generator 4 comprises a water tank for storing water, a water pump for pumping water in the water tank into the pipeline, a pipeline and a heating part for heating the water to generate steam to flow into the chamber along the pipeline.

The storage rack is arranged in the cavity, and the tray 5 is arranged on the storage rack and can be used for placing food on the tray 5. Tray 5 and supporter sliding connection can impel or pull out tray 5.

A top heater 23 is arranged at the top of the chamber of the inner container 2, and the top heater 23 is a heating wire. The plurality of heating wires are arranged in parallel at intervals. In the traditional steaming and baking integrated machine, a heating wire at the top is only opened when food is baked, and only an air supply device is opened to provide steam when the food is steamed. Still another kind evaporates roast all-in-one, it is equipped with the heating band to cover in the surface of inner bag 2 in the intermediate layer for prevent the comdenstion water, additionally increase the heating band and increased the cost, and the life-span of heating band is relatively poor.

The inside of the steaming and baking box is provided with a temperature sensor and a humidity sensor which are respectively used for detecting temperature and humidity. A timer is arranged in the steaming oven, and the working time is accumulated in the process of executing the function.

The gas supply device, the top heater 23, the temperature sensor, the humidity sensor, the timer and the like are all electrically connected with the control part, the control part controls the start and stop of each part, receives signals and sends instructions, the structure and the principle of the control part are not limited, and the prior art can be referred to.

Utilize the current structure of steaming oven in this application, need not additionally to increase other heater blocks, can reach the purpose that prevents the comdenstion water through control, specifically as follows:

referring to fig. 6 and 7, in the control method of the steam oven according to the embodiment of the present invention, when the steam function is performed, the air supply device is turned on to supply steam into the cavity, and the top heater 23 in the cavity is heated at a first power; the heating power of the top heater 23 is adjusted according to the actual temperature in the chamber.

When the function begins evaporating in the execution, the air feeder opens in order to produce steam, top heater 23 in the cavity heats with first power, because top heater 23 sets up in the top of cavity, it is nearer apart from the roof of cavity, can prevent that the top of cavity from gathering the comdenstion water, because top heater 23's heating power is adjustable, when preventing that the top of cavity from gathering the comdenstion water, can also play the auxiliary heating effect, do benefit to the inside rapid heating up of cavity, after the temperature rise, can reduce top heater 23's heating power, can the energy can be saved.

In the present embodiment, the first power is the full power, i.e., the maximum power of the top heater 23. When the steaming starts, the temperature of the whole chamber is lower, and the top heater 23 is heated at the maximum power at the moment, so that the temperature in the chamber can be increased rapidly, and condensed water can be prevented from being accumulated on the top wall with lower temperature.

In performing the steaming function, the air supply means is the primary and the top heater 23 is the secondary. Specifically, at the beginning of the steaming function, the top heater 23 is heated at a first power, and when the temperature in the chamber reaches a first set temperature, the top heater 23 is heated at a second power, the first power being greater than the second power. When the function begins evaporating in the execution, top heater 23 heats with first power, can play the auxiliary heating effect, does benefit to the inside rapid heating up of cavity, and when the temperature rose back, top heater 23 heats with second power, and second power is less, when preventing that the top of cavity from gathering the comdenstion water, can the energy saving.

The actual temperature in the chamber is detected by the temperature sensor to obtain the current temperature value in the chamber, and the current temperature value is compared with the first set temperature, and when the current temperature value reaches the first set temperature, the top heater 23 is adjusted to heat with the second power. The current temperature value reaching the first set temperature means that the current temperature value is greater than or equal to the first set temperature.

The second power is 1/4-1/3 of the first power, when the temperature in the cavity rises to a certain degree, the food can be steamed by the temperature generated by the steam, the temperature rise is not assisted by the top heater 23, but the top heater 23 is required to continuously prevent the generation of condensed water, so the power of the top heater 23 can be reduced.

When the temperature in the chamber is lower than the second set temperature while the top heater 23 is heated at the second power, the top heater 23 is heated at a third power, which is greater than the second power and less than the first power. In the steaming process, the temperature in the chamber may be reduced due to different characteristics and heat dissipation of the food, the first set temperature is higher than the second set temperature, and when the temperature in the chamber is lower than the second set temperature, the heating power of the top heater 23 is increased to avoid generating condensed water.

The actual temperature in the cavity is detected through the temperature sensor, the current temperature value in the cavity is obtained, the current temperature value is compared with the second set temperature, and when the current temperature value is lower than the second set temperature, the top heater 23 is adjusted to heat with third power so as to heat the interior of the cavity.

The third power is 1/3 ~ 1/2 of the first power. Here, the values of the first power, the second power, and the third power are not limited, and may be set according to actual conditions.

When the top heater 23 is heated with the third power, the current temperature value in the chamber is also obtained in real time, and when the temperature in the chamber reaches the first set temperature, the top heater 23 is heated with the second power.

By controlling the heating power of the top heater 23 to alternate between the second power and the third power, energy can be saved, and no condensed water can be generated in the chamber.

When the baking function is executed, the top heater 23 is used as the main part, and the air supply device is used as the auxiliary part. The top heater 23 heats at full power and controls the gas supply to be on based on the actual humidity in the chamber. When the food is baked, the top heater 23 above the food is mainly used for heating the food, but the food is easy to be hardened and burnt when being baked excessively, so that the food can be kept fresh and tender by supplying partial steam by the air supply device.

When the top heater 23 is heated at full power, the humidity value in the chamber is detected, and when the humidity value in the chamber is lower than the first set humidity and continues for the first set duration, the gas supply device is turned on to supply steam into the chamber. The steam provided at this time may be hot steam or cold steam, and is set according to actual conditions. When baking food, let in partial steam in to the cavity, can adjust the temperature and humidity in the cavity, pin the inside moisture of food, prevent that food from becoming dry and hard to reach better culinary art effect.

The actual humidity in the chamber is detected through the humidity sensor, the current humidity value in the chamber is obtained, the current humidity value is compared with the first set humidity, when the current humidity value is lower than the first set humidity, the accumulated time is long, when the current humidity value is lower than the first set humidity and the first set humidity is continued, the air supply device is started.

And after the air supply device is started, controlling the air supply device to be closed according to the actual humidity in the cavity. And when the humidity value in the cavity reaches a second set humidity, controlling the air supply device to be closed. The steam is provided, so that the humidity inside the chamber is increased, the second set humidity is greater than the first set humidity, and the steam cannot be excessive to prevent the baking effect from being influenced.

After the air supply device is started, the actual humidity in the cavity is detected through the humidity sensor, the current humidity value in the cavity is obtained, the current humidity value is compared with the second set humidity, and when the current humidity value reaches the second set humidity, the air supply device is closed.

The method can also be as follows: and after the air supply device is started, the air supply device is automatically closed after the starting time of the air supply device reaches a second set time. The second set time period may be set according to practical situations, for example, 1min, and is not limited herein.

And after the air supply device is closed, the current humidity value in the cavity is obtained in real time, and when the humidity in the cavity is lower than the first set humidity, the air supply device is opened.

Similarly, the user may set the total working duration of the cooking before performing the toasting function, and when the toasting function reaches the total working duration, the top heater 23 is turned off, the air supply device is turned off, and the cooking is finished. Or the default total working time length of the steaming oven can be selected, and the total working time length is set for different baking in the control part of the steaming oven. The total operation time for each function is not limited, and reference may be made to the prior art.

The steaming and baking oven not only has the independent steaming function and the independent baking function, but also has the steaming and baking combination function. The steaming and baking combined function comprises steaming and baking, baking and steaming and baking alternately and the like. According to different food types, different cooking functions can be selected manually by a user, or the food steaming oven can be selected automatically by detecting the food, and the selection is not limited herein.

For some meat products, the meat products are steamed before being baked, so that the moisture in the meat can be locked, the crispy and tender mouthfeel of the meat products can be brought, and the electric energy can be saved during baking because the food is heated and semi-cooked before being baked. The steaming function is executed firstly and then the baking function is executed, and the specific process is as follows:

the gas supply means is turned on to supply steam into the chamber, and the heating power of the top heater 23 in the chamber is adjusted according to the actual temperature in the chamber;

the gas supply device is turned off when the on time reaches the preset time, the top heater 23 heats at full power, and the gas supply device is controlled to be turned on according to the actual humidity in the chamber.

For some wheaten foods or foods with stuffing, the wheaten foods are baked before steaming, so that the wheaten foods are crisp on the surface. Firstly, the baking function is executed and then the steaming function is executed, and the specific process is as follows:

the top heater 23 heats with full power, and controls the gas supply device to be started according to the actual humidity in the chamber;

when the opening time of the top heater 23 reaches the preset time, the gas supply device is opened to continuously provide steam into the chamber, and the heating power of the top heater 23 in the chamber is adjusted according to the actual temperature in the chamber.

The steaming function and the baking function are alternately performed, namely: during the steaming function, the gas supply device is continuously started, and the heating power of the top heater 23 is adjustable; in the roasting function, the top heater 23 is heated at full power, and the gas supply device is selectively turned on.

The steaming oven provided by the embodiment of the invention is controlled by adopting the control method of the steaming oven. When the function begins evaporating in the execution, the air feeder opens in order to produce steam, because top heater 23 sets up in the top of cavity, it is nearer apart from the roof of cavity, can prevent that the top of cavity from gathering the comdenstion water, according to the actual temperature in the cavity, adjust top heater 23 heating power, because top heater 23's heating power is adjustable, when preventing that the top of cavity from gathering the comdenstion water, can also play the auxiliary heating effect, do benefit to the inside rapid warming up of cavity, after the temperature rise, can reduce top heater 23's heating power, can the energy can be saved.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A control method of a steaming and baking oven is characterized by comprising the following steps:

when the steaming function is executed, the gas supply device is started to provide steam into the chamber, and the top heater in the chamber is heated at a first power; adjusting the heating power of the top heater based on the actual temperature within the chamber.

2. The control method of the steaming oven as set forth in claim 1, wherein the top heater is heated at a second power when the temperature in the chamber reaches a first set temperature, the first power being greater than the second power.

3. The control method of the steaming oven as set forth in claim 2, wherein when the temperature in the chamber is lower than a second set temperature while the top heater is heated at the second power, the top heater is heated at a third power which is greater than the second power and less than the first power.

4. The control method of a steaming oven according to claim 3, wherein the second power is 1/4-1/3 of the first power, and the third power is 1/3-1/2 of the first power.

5. The control method of the steaming oven according to claim 1, further comprising:

when the baking function is executed, the top heater heats at full power, and the air supply device is controlled to be opened according to the actual humidity in the cavity.

6. The control method of the steaming oven according to claim 5, wherein a humidity value in the chamber is detected while the baking function is performed, and the air supply device is turned on to supply steam into the chamber when the humidity value in the chamber is lower than a first set humidity for a first set time.

7. The control method of the steaming oven according to claim 6, wherein the air supply device is controlled to be turned off when a humidity value in the chamber reaches a second set humidity after the air supply device is turned on.

8. The control method of the steaming oven according to claim 6, wherein the air supply device is automatically turned off after an on period of the air supply device reaches a second set period of time after the air supply device is turned on.

9. The control method of the steaming oven according to claim 5, wherein the steaming function is performed first and then the baking function is performed, or the baking function is performed first and then the steaming function is performed, or the steaming function and the steaming function are alternately performed, according to different food types.

10. A steaming and baking box characterized by being controlled by the control method of the steaming and baking box of any one of claims 1 to 9.

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