CN112148047A - Water vapor amount control method and kitchen appliance - Google Patents
Water vapor amount control method and kitchen appliance Download PDFInfo
- Publication number
- CN112148047A CN112148047A CN202011045333.8A CN202011045333A CN112148047A CN 112148047 A CN112148047 A CN 112148047A CN 202011045333 A CN202011045333 A CN 202011045333A CN 112148047 A CN112148047 A CN 112148047A
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- water
- water level
- kitchen appliance
- water vapor
- temperature
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Cookers (AREA)
Abstract
The invention provides a water vapor amount control method and a kitchen appliance, which comprises the following monitoring steps: monitoring the current water level and the current temperature; a comparison step: comparing the monitored current water level with a preset water level, and comparing the monitored current temperature with a preset temperature; the execution steps are as follows: the amount of the water vapor generated by the kitchen appliance is controlled according to the comparison result, so that the condition that the food is not cooked in place due to the fact that the temperature is constant and the amount of the water vapor in the cavity is reduced can be avoided.
Description
Technical Field
The invention relates to the field of food cooking, in particular to a water vapor amount control method and a kitchen appliance.
Background
When various electric steam boxes in the current market cook food, water is heated by electric heat to generate steam, and the steam and the food are subjected to heat exchange (steam convection and steam condensation).
However, in the conventional steam box, the steam is supplied by monitoring the ambient temperature of the chamber. When the temperature of the cavity is lower than a set temperature value, the electric heating is started to generate steam, and when the temperature reaches or exceeds the set temperature value, the steam generation is stopped and a long-time heat preservation state is carried out. In the heat preservation state, although the ambient temperature in the cavity is kept at the set temperature value, the steam quantity is reduced in the time period, the steam flowability is weakened, the core element of the steam heating food is that the steam contacts with the food, and the steam is condensed on the surface of the food due to the temperature difference between the steam and the food, so that a large amount of heat is released and transferred to the food, and the food is heated. Therefore, the control mode of whether to supply steam or not is judged by monitoring the temperature of the cavity, and the steam cooking is not the optimal choice.
Disclosure of Invention
The first purpose of the invention is to provide a water vapor amount control method, which can avoid the situation that food is not cooked in place due to the fact that the temperature is constant and the water vapor amount in a cavity is reduced;
the second purpose of the invention is to provide a kitchen appliance with a steaming function, which applies the water vapor amount control method.
On one hand, the water vapor amount control method is applied to a kitchen appliance with a steaming function, and comprises the following steps:
a monitoring step: monitoring the current water level of the water vapor generator and the current temperature of the cavity;
a comparison step: comparing the monitored current water level with a preset water level, and comparing the monitored current temperature with a preset temperature, wherein the preset water level is a position value of water consumption when the corresponding cavity reaches the preset temperature;
the execution steps are as follows: and controlling the amount of the water vapor generated by the kitchen appliance according to the comparison result.
Water vapor generator
Further, in the comparing step, when the water level difference between the current water level and the preset water level reaches a first water level difference threshold and the current temperature reaches a preset temperature threshold, the executing step is performed.
Further, in the executing step, the kitchen appliance is adjusted from a first operation state to a second operation state; wherein the amount of steam generated by the first operating state is greater than the amount of steam generated by the second operating state.
And further, controlling the kitchen appliance to stop running when the preset time duration is reached.
Further, when the water level difference value between the current water level and the preset water level reaches a second water level difference threshold value, the kitchen appliance is controlled to stop running.
In another aspect, a kitchen appliance includes a water level monitor, a controller, a water vapor generator, and a temperature sensor;
the temperature sensor is used for monitoring the temperature in a cooking cavity of the kitchen appliance;
the water level monitor is used for monitoring the current water level of a water tank of the kitchen appliance;
the controller is used for comparing the current water level with a preset water level and controlling the operation state of the kitchen appliance according to the comparison result;
the water vapor generator is used for generating water vapor in a cooking cavity of the kitchen appliance.
Further, communicate through the pipeline between water vapor generator and the water tank, the pipeline includes inlet tube and communicating pipe, inlet tube one end with the water tank intercommunication, communicating pipe one end with water vapor generator intercommunication, the water level monitor is located the inlet tube with communicating pipe intercommunication department.
Further, a water pump is arranged between the water tank and the water vapor generator.
Further, the controller is electrically connected with the water pump.
Furthermore, the kitchen appliance also comprises a cavity steam exhaust port for pressure relief.
Has the advantages that:
the invention can control the operation of the kitchen appliance to meet the cooking requirement by monitoring the water level. Compared with the traditional method that the supply of steam is controlled by simply monitoring the ambient temperature of the cavity, food is cooked through the steam, the method and the device directly control the operation of the kitchen appliance through monitoring the water consumption, and further cook the food.
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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an electric steamer provided by an embodiment of the invention;
FIG. 2 is a front view of an electric steamer according to an embodiment of the invention;
fig. 3 is a rear view of an electric steaming box according to an embodiment of the present invention.
Icon: 1-a cooking cavity; 2-a cavity steam inlet; 3-a cavity exhaust port; 4-a water tank; 5-a temperature sensor; 6-a water vapor generator; 7-a heating tube; 8-a cavity steam inlet pipe; 9-a water inlet pipe; 10-water level monitor; 11-communicating tube.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The electric steaming box according to fig. 1 to 3 comprises a water level monitor 10, a controller, a water steam generator 6 and a temperature sensor 5;
the temperature sensor 5 is used for monitoring the temperature in the cooking cavity 1 of the kitchen appliance;
the water level monitor 10 is used for monitoring the current water level of the water tank 4 of the kitchen appliance;
the controller is used for comparing the current water level with a preset water level and controlling the running state of the kitchen appliance according to the comparison result;
the water vapor generator 6 is used for generating water vapor inside the cooking cavity 1 of the kitchen appliance.
The water level monitor 10 is a sensor, and can convert the water level parameter of the measured point into a corresponding electric quantity signal in real time. The water level sensor can convert the water level change of the water tank 4 in the electric steam box into an electric signal to be transmitted to the controller electrically connected with the electric signal, so that the controller can master the water volume change in the water tank 4 at the moment, water in the water tank 4 is used for steam for food cooking, the water volume change in the water tank 4 can be calculated to obtain the steam generation amount in the cooking cavity 1 of the electric steam box, and the controller can control the running state of the electric steam box according to the steam generation amount to meet the cooking requirement. The temperature sensor 5 is positioned in the cooking cavity 1 of the electric steaming box, and can monitor the temperature in the cooking cavity 1 and convert the monitoring result into an electric signal to be transmitted to the controller.
In an optional embodiment, the water vapor generator 6 is communicated with the water tank 4 through a pipeline, the pipeline comprises a water inlet pipe 9 and a communicating pipe 11, one end of the water inlet pipe 9 is communicated with the water tank 4, one end of the communicating pipe 11 is communicated with the water vapor generator 6, and the water level monitor 10 is positioned at the position where the water inlet pipe 9 is communicated with the communicating pipe 11.
The water vapor generator 6 can heat and convert liquid water into water vapor through the internal groups of heating tubes 7, and the water tank 4 supplies the liquid water required by the water vapor generator 6.
In an alternative embodiment, a water pump is provided between the water tank 4 and the water vapor generator 6.
In an alternative embodiment, the controller is electrically connected to the water pump.
In an alternative embodiment, the electric steaming box further comprises a cavity exhaust port 3 for pressure relief.
When the electric steam box applies the water vapor amount control method, the method comprises the following steps:
a monitoring step: monitoring the current water level of the water vapor generator and the current temperature of the cavity;
a comparison step: comparing the monitored current water level with a preset water level, and comparing the monitored current temperature with a preset temperature, wherein the preset water level is a position value of water consumption when the corresponding cavity reaches the preset temperature;
the execution steps are as follows: and controlling the amount of the water vapor generated by the kitchen appliance according to the comparison result.
In the comparison step, when the water level difference between the current water level and the preset water level reaches a first water level difference threshold value and the current temperature reaches a preset temperature threshold value, the execution step is carried out.
In the execution step, the kitchen appliance is adjusted from a first operation state to a second operation state; the amount of the water vapor generated in the first operation state is larger than that generated in the second operation state.
And when the preset time duration is reached, controlling the kitchen appliance to stop running.
The method comprises the steps that a cavity corresponds to a cooking cavity 1 of an electric steaming box, control logic in the control method is completed in a controller, the operation power of the electric steaming box is controlled to be first power within preset time, and if a water level difference value between a current water level and a preset water level reaches a first water level difference threshold value and the temperature monitored by a temperature sensor 5 reaches a preset temperature threshold value, the operation power of the electric steaming box is adjusted to be second power from the first power; wherein the first power is greater than the second power;
and when the preset time length is reached, controlling the electric steam box to stop running.
When the cooking parameter is set to time control, the water tank 4 supplies water to the water vapor generator 6, the water level monitor 10 monitors the water consumption of the water vapor generator 6 by detecting the falling height of the water level, in the time period, the water vapor generator 6 works at full power, the plurality of groups of heating tubes 7 operate to generate steam, steam is supplied into the cooking cavity 1 through the cavity steam inlet pipe 8 and the cavity steam inlet 2, the temperature in the cooking cavity 1 is continuously increased, when the temperature in the cooking cavity 1 reaches the temperature of steam under the local steam pressure and the water consumed by the water steam generator 6 reaches a set value, the set value is calculated according to the steam amount required by the volume of the cooking cavity 1, at the moment, the space steam in the cooking cavity 1 reaches a saturated state, the water steam generator 6 is changed into maintenance power, the single group of heating tubes 7 operates to generate steam, and the steam generation amount at the moment is slightly larger than the steam condensation amount caused by the heat loss of the cooking cavity 1. At this stage, the steam supply amount can satisfy the requirement of maintaining the inside of the cooking cavity 1 in a steam saturated state all the time, and simultaneously provides continuous power to maintain the steam flow in the cooking cavity 1, so that the steam is increased to contact with food to generate more condensation heat release effects. And when the cooking time reaches the set time, stopping steam heating and finishing cooking.
Wherein, the first water level difference threshold value is determined according to the volume of the cooking cavity 1 in the electric steaming box; the preset temperature threshold is the steam temperature under the steam pressure of the position where the electric steam box is located.
In an optional embodiment, the water vapor generator 6 is communicated with the water tank 4 through a pipeline, the pipeline comprises a water inlet pipe 9 and a communicating pipe 11, one end of the water inlet pipe 9 is communicated with the water tank 4, one end of the communicating pipe 11 is communicated with the water vapor generator 6, and the water level monitor 10 is positioned at the position where the water inlet pipe 9 is communicated with the communicating pipe 11. The water level monitor 10 is communicated with the water vapor generator 6 through a communicating pipe 11, according to the principle of a communicating vessel, the water level between the water level monitor 10 and the water vapor generator 6 is changed synchronously, the water level monitor 10 can obtain the water level change of the water vapor generator 6 through monitoring the water level change of the water level monitor 10, and then the water level change in the water tank 4 is obtained, and the consumed water amount is obtained.
Example 2
And when the water level difference value between the current water level and the preset water level reaches a second water level difference threshold value, controlling the kitchen appliance to stop running.
When the cooking parameters are set as food quantity, the controller extracts the steam quantity parameters required by the food quantity according to the built-in parameters of the system (the water consumption required by the steam quantity is converted), the water tank 4 supplies water to the steam generator 6, the temperature in the cooking cavity 1 continuously rises, when the temperature in the cooking cavity 1 reaches the temperature of steam under the local steam pressure and the water consumption of the steam generator 6 reaches a set value, the space steam in the cooking cavity 1 reaches a saturated state at the moment, the steam generator 6 is converted into maintenance power, and the steam quantity generated by the maintenance power is slightly larger than the steam condensation quantity caused by the environment of the cooking cavity 1. At this stage, the steam supply amount can satisfy the requirement of maintaining the inside of the cooking cavity 1 in a steam saturated state all the time, and simultaneously provides continuous power to maintain the steam flow in the cooking cavity 1, so that the steam is increased to contact with food to generate more condensation heat release effects. When the water level monitor 10 detects that the accumulated water consumption of the water vapor generator 6 reaches the requirement of the control system, the operation is stopped.
The second water level difference threshold is determined according to the food quantity, and the amount of water vapor consumed by different quantities of food to meet the requirement of cooking completion is different.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "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 for those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that the following embodiments are merely illustrative of the present invention, and not restrictive, and the scope of the present invention is not limited thereto: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A water vapor amount control method is applied to a kitchen appliance with a steaming function, and is characterized by comprising the following steps:
a monitoring step: monitoring the current water level of the water vapor generator and the current temperature of the cavity;
a comparison step: comparing the monitored current water level with a preset water level, and comparing the monitored current temperature with a preset temperature, wherein the preset water level is a position value of water consumption when the corresponding cavity reaches the preset temperature;
the execution steps are as follows: and controlling the amount of the water vapor generated by the kitchen appliance according to the comparison result.
2. The steam amount control method according to claim 1, wherein in the comparing step, the performing step is performed when a water level difference between the current water level and the preset water level reaches a first water level difference threshold and a current temperature reaches a preset temperature threshold.
3. The water vapor amount control method according to claim 1, wherein in the performing step, the kitchen appliance is adjusted from a first operation state to a second operation state; wherein the amount of steam generated by the first operating state is greater than the amount of steam generated by the second operating state.
4. The water vapor amount control method according to claim 3, wherein the kitchen appliance is controlled to stop operating when a preset time period is reached.
5. The steam amount control method of claim 3, wherein the kitchen appliance is controlled to stop operating when a water level difference between the current water level and the preset water level reaches a second water level difference threshold value.
6. A kitchen appliance, characterized by comprising a water level monitor (10), a controller, a water vapor generator (6) and a temperature sensor (5);
the temperature sensor (5) is used for monitoring the temperature in the cooking cavity (1) of the kitchen appliance;
the water level monitor (10) is used for monitoring the current water level of a water tank (4) of the kitchen appliance;
the controller is used for comparing the current water level with a preset water level and controlling the operation state of the kitchen appliance according to the comparison result;
the water vapor generator (6) is used for generating water vapor in a cooking cavity (1) of the kitchen appliance.
7. The kitchen appliance according to claim 6, wherein the water vapor generator (6) is in communication with the water tank (4) via a pipe, the pipe comprises a water inlet pipe (9) and a communication pipe (11), one end of the water inlet pipe (9) is in communication with the water tank (4), one end of the communication pipe (11) is in communication with the water vapor generator (6), and the water level monitor (10) is located at a position where the water inlet pipe (9) is in communication with the communication pipe (11).
8. Kitchen appliance according to claim 7, characterized in that a water pump is provided between the water tank (4) and the water vapor generator (6).
9. The kitchen appliance of claim 8, wherein the controller is in electrical communication with the water pump.
10. The kitchen appliance according to claim 6, further comprising a cavity exhaust (3) for pressure relief.
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| CN202011045333.8A CN112148047B (en) | 2020-09-28 | 2020-09-28 | Water vapor amount control method and kitchen appliance |
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| CN202011045333.8A CN112148047B (en) | 2020-09-28 | 2020-09-28 | Water vapor amount control method and kitchen appliance |
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