CN110089928B - Electric steam box and control method thereof - Google Patents
Electric steam box and control method thereof Download PDFInfo
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- CN110089928B CN110089928B CN201810092098.6A CN201810092098A CN110089928B CN 110089928 B CN110089928 B CN 110089928B CN 201810092098 A CN201810092098 A CN 201810092098A CN 110089928 B CN110089928 B CN 110089928B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 151
- 238000010411 cooking Methods 0.000 claims abstract description 28
- 239000007858 starting material Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 230000000630 rising effect Effects 0.000 abstract description 2
- 238000010025 steaming Methods 0.000 description 9
- 235000013305 food Nutrition 0.000 description 6
- 238000005086 pumping Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 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
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- 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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
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- 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)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Cookers (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
The invention provides an electric steam box and a control method thereof, the electric steam box comprises an evaporator, an electromagnetic valve, a cavity and a control device, the control device comprises a controller, a starter, a heater and a judging device, the judging device comprises a cavity sensor and an evaporator sensor, the cavity sensor is positioned in the cavity to sense a cavity temperature value, the evaporator sensor is positioned in the evaporator to sense an evaporator temperature value, the difference between a preset temperature value and the cavity temperature value is a temperature difference value, the heater comprises a U-shaped heating film, a back heating film and a bottom heating film, the controller can respectively control the evaporator, the U-shaped heating film, the back heating film and the bottom heating film to respectively carry out full-power heating or half-power heating or stop work according to the size relationship between the temperature difference value and a plurality of reference values, and control whether the electromagnetic valve is closed or not, thereby effectively controlling the water consumption in the cooking process, the temperature rising speed of the steam box is improved, and the problems of excessive residual water in the cavity after cooking and the like are solved.
Description
Technical Field
The invention relates to the technical field of electric steam boxes, in particular to an electric steam box and a control method of the electric steam box.
Background
Most of control programs of the existing electric steam box stay at a stage of cooking food, water used in the process of steaming the food is not considered in the process, and the problems that the water used for cooking the food is too much, the temperature rising speed is slow, the residual water in a cavity is too much after the cooking is finished and the like exist. In addition, the pressure in the cavity of the existing steam box is basically 0kPa during cooking, and the problems that the time for cooking difficult foods such as pig trotters is overlong, the foods are too hard and not soft are solved, and the like exist.
Disclosure of Invention
In view of the above, there is a need for an electric steaming box and a control method thereof, which can effectively control the water consumption during cooking, increase the temperature rise speed of the steaming box, and reduce the problem of excessive residual water in the cavity after cooking.
The embodiment of the invention provides an electric steam box control method, which comprises the following steps:
step S101: the evaporator, the U-shaped heating film, the back heating film and the bottom heating film are all heated at full power;
step S1011: judging whether the cavity temperature value is greater than or equal to the reference temperature value, if so, performing step S1012;
step S1012: the electromagnetic valve is started and closed, and the suction valve of the pressure release valve is closed;
step S102: judging whether the first temperature difference value is smaller than a first reference value or not; if yes, go to step S105 and step S106; the first temperature difference value is obtained by subtracting a cavity temperature value of the electric steamer from a preset temperature value; wherein the step S102 follows the step S1012;
step S105: starting a countdown;
step S106: the evaporator and the U-shaped heating film are heated in a half-power mode, the bottom heating film is heated in a full-power mode, and the back heating film is heated in a half-power mode;
step S107: and judging whether the countdown is finished or not, and if so, finishing the cooking.
By the control method of the electric steam box, water consumption in the cooking process can be effectively controlled, and the heating speed of the steam box is increased.
Preferably, in the step S107, when the result is judged to be no, the step S108 is performed,
step S108: judging whether the second temperature difference value is smaller than a third reference value, if so, performing step S106; otherwise, go to step S109; the second temperature difference value is obtained by subtracting the preset temperature value from the cavity temperature value;
step S109: the evaporator is heated at half power, the U-shaped heating film and the back heating film stop working, and the bottom heating film is heated at full power.
Preferably, in the step S1011, if the cavity temperature value is less than the reference temperature value, performing step S103;
step S103: and judging whether the evaporator temperature value is smaller than a second reference value, and if so, performing the step S101.
Preferably, in the step S103, if the evaporator temperature value is greater than or equal to the second reference value, performing a step S104;
step S104: the evaporator stops working for T seconds, then half-power heating is carried out, and the U-shaped heating film, the back heating film and the bottom heating film are heated in a full-power mode.
Preferably, step S110 is performed after step S109;
step S110: judging whether the countdown is finished or not, and if so, finishing the cooking; otherwise, go to step S111;
step S111: and judging whether the second temperature difference value is smaller than a fourth reference value, and if so, performing step S109.
Preferably, in the step S111, if the second temperature difference is greater than or equal to the fourth reference value, performing a step S112;
step S112: the evaporator, the U-shaped heating film and the back heating film stop working, and the bottom heating film is heated at full power.
Preferably, step S113 is performed after step S112;
step S113: judging whether the countdown is finished or not, and if so, finishing the cooking; otherwise, go to step S114;
step S114: judging whether the first temperature difference value is smaller than a fifth reference value, if so, performing step S112; otherwise, go to step S115;
step S115: the evaporator is heated at half power, and the U-shaped heating film, the back heating film and the bottom heating film are all heated at full power.
The embodiment of the invention also provides an electric steam box, which is applied to the control method of the electric steam box, the electric steam box comprises an evaporator, a cavity, a control device and an electromagnetic valve, the control device is arranged in the electric steam box, the control device comprises a controller, a starter, a heater and a judger, the judger comprises a cavity sensor and an evaporator sensor, the cavity sensor is positioned in the cavity and is used for sensing and acquiring a cavity temperature value in the cavity, the evaporator sensor is positioned in the evaporator and is used for sensing and acquiring an evaporator temperature value in the evaporator, the heater comprises a U-shaped heating film, a back heating film and a bottom heating film, the controller is provided with a preset temperature value, subtracting the cavity temperature value from the preset temperature value to obtain a first temperature difference value between the preset temperature value and the cavity temperature value; subtracting the preset temperature value from the cavity temperature value to obtain a second temperature difference value between the preset temperature value and the cavity temperature value; the controller is used for comparing the magnitude relation between the first temperature difference value and the first reference value, comparing the evaporator temperature value and the second reference value, comparing the magnitude relation between the second temperature difference value and the third reference value, comparing the magnitude relation between the second temperature difference value and the fourth reference value, comparing the magnitude relation between the first temperature difference value and the fifth reference value and comparing the magnitude relation between the cavity temperature value and the reference temperature value; the controller is also used for respectively controlling the evaporator, the U-shaped heating film, the back heating film and the bottom heating film to be heated in full power or in half power or to stop working; the electric steamer also comprises a timer for counting down.
The electric steam box can effectively control the water consumption in the cooking process and improve the heating speed of the steam box.
Preferably, the reference temperature value is 95 degrees celsius (° c), the first reference value is 5 ℃, the second reference value is 110 ℃, the third reference value is 2 ℃, the fourth reference value is 5 ℃, and the fifth reference value is 2 ℃.
Compared with the prior art, in the electric steam box and the control method thereof, the controller can correspondingly control the evaporator, the U-shaped heating film, the back heating film and the bottom heating film according to the cavity temperature value in the cavity and the evaporator temperature value in the evaporator, and the controller can respectively control the evaporator, the U-shaped heating film, the back heating film and the bottom heating film to carry out full-power heating or half-power heating or stop working according to the actual environment condition of the electric steam box and control whether the electromagnetic valve is closed, so that the water consumption in the cooking process can be effectively controlled, and the temperature rise speed of the steam box is improved.
Drawings
Fig. 1 is a schematic perspective view of an electric steaming box according to an embodiment of the present invention.
FIG. 2 is a functional block diagram of a control device of an electric steamer according to an embodiment of the present invention.
Fig. 3 is a perspective view of the heater of fig. 2.
Fig. 4 is a bottom view of the electric steaming box according to the embodiment of the present invention.
Fig. 5 is a part of a flowchart of an electric steamer control method according to an embodiment of the invention.
FIG. 6 is another part of the flow chart of the control method of the electric steamer according to the embodiment of the invention.
Description of the main elements
| Evaporator with a |
1 |
| |
2 |
| |
3 |
| |
4 |
| Control device | 5 |
| Controller | 51 |
| Starter | 52 |
| Heating device | 53 |
| |
530 |
| |
531 |
| |
532 |
| Judging device | 54 |
| Cavity sensor | 541 |
| Evaporator sensor | 543 |
| |
6 |
| |
7 |
| |
8 |
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 and 2, in a preferred embodiment of the present invention, an electric steamer comprises an evaporator 1, a water pump 2, a chamber 3 and a control panel 4.
The electric steamer also comprises a control device 5. The control device 5 is installed inside the electric steamer.
The electric steamer also comprises an electromagnetic valve 6.
The control device 5 includes a controller 51, an actuator 52, a heater 53, and a determiner 54. The controller 51 is configured to control the actuator 52 and the heater 53.
The determiner 54 includes a cavity sensor 541 and an evaporator sensor 543. The cavity sensor 541 is located in the cavity 3 and is configured to sense a temperature in the cavity 3, so as to obtain a cavity temperature value in the cavity 3. The evaporator sensor 543 is located in the evaporator 1 and is used for sensing the temperature in the evaporator 1, so as to obtain the evaporator temperature value in the evaporator 1.
The controller 51 is set with a preset temperature value. Subtracting the cavity temperature value from the preset temperature value to obtain a first temperature difference value between the preset temperature value and the cavity temperature value. Subtracting the preset temperature value from the cavity temperature value to obtain a second temperature difference value between the preset temperature value and the cavity temperature value.
The controller 51 is also configured to control the heating operation of the heater 53 according to the temperature difference.
Referring to fig. 3, in a bottom view of the electric steaming box, the electric steaming box further includes a weight valve 7 and a box door 8.
Referring to fig. 4, the heater 53 includes a U-shaped heating film 530, a back heating film 531 and a bottom heating film 532.
The control panel 4 includes a display screen (not shown) for displaying an interface. The control panel 4 further includes an operation key (not shown) that can be operated, and the actuator 52 can be controlled accordingly by operating the operation key. The starter 52 is used to start the evaporator 1, the U-shaped heating film 530, the back heating film 531, and the bottom heating film 532. Specifically, when the electric steamer starts to cook, the evaporator 1, the U-shaped heating film 530, the back heating film 531 and the bottom heating film 532 are activated.
Preferably, the electric steaming box further comprises a timer (not shown) for displaying on the display screen of the control panel 4 when the countdown is performed.
The controller 51 is further configured to control whether the water pump 2 starts pumping water according to the evaporator temperature value. The controller 51 is further configured to control whether the evaporator 1, the U-shaped heating film 530, the back heating film 531 and the bottom heating film 532 are heated at full power, heated at half power, and stopped according to the temperature difference.
Further, the controller 51 is configured to compare a magnitude relationship between the first temperature difference and a first reference value, compare a magnitude relationship between the evaporator temperature value and a second reference value, compare a magnitude relationship between the second temperature difference and a third reference value, compare a magnitude relationship between the second temperature difference and a fourth reference value, and compare a magnitude relationship between the first temperature difference and a fifth reference value.
Further, the controller 51 is further configured to compare a magnitude relationship between the cavity temperature value and a reference temperature value.
Further, the controller 51 is configured to control the evaporator 1, the U-shaped heating film 530, the back heating film 531 and the bottom heating film 532 to be heated at full power and determine whether the evaporator temperature value is smaller than the second reference value when the first temperature difference is greater than or equal to the first reference value. In one embodiment, the first reference value has a magnitude of 5 degrees Celsius (C.) and the second reference value has a magnitude of 110℃.
Further, the controller 51 is further configured to control the timer to count down when the first temperature difference is smaller than the first reference value, control the evaporator 1 and the U-shaped heating film 530 to perform half-power heating, control the bottom heating film 532 to perform full-power heating, and control the back heating film 531 to perform half-power heating.
Further, the controller 51 is further configured to control the evaporator 1 to pause for T seconds and then perform half-power heating, and control the U-shaped heating film 530, the back heating film 531 and the bottom heating film 532 to perform full-power heating when the evaporator temperature value is greater than or equal to the second reference value.
In one embodiment, the value of T is 5.
Further, the controller 51 is further configured to control the evaporator 1, the U-shaped heating film 530, the back heating film 531 and the bottom heating film 532 to be heated at full power when the evaporator temperature value is smaller than the second reference value.
Further, when the countdown is not finished and the second temperature difference is greater than or equal to the third reference value, the controller 51 is further configured to control the evaporator 1 to perform half-power heating, control the U-shaped heating film 530 and the back heating film 531 to stop working, and control the bottom heating film 532 to perform full-power heating. In an embodiment, the third reference value has a magnitude of 2 ℃.
Further, when the countdown is not finished and the second temperature difference is smaller than the third reference value, the controller 51 is further configured to control the evaporator 1 and the U-shaped heating film 530 to perform half-power heating, control the bottom heating film 532 to perform full-power heating, and control the back heating film 531 to perform half-power heating.
Further, when the countdown is not finished and the second temperature difference is greater than or equal to the fourth reference value, the controller 51 is further configured to control the evaporator 1, the U-shaped heating film 530 and the back heating film 531 to stop working, and control the bottom heating film 532 to heat at full power. In an embodiment, the fourth reference value has a magnitude of 5 ℃.
Further, when the countdown is not finished and the second temperature difference is smaller than the fourth reference value, the controller 51 is further configured to control the evaporator 1 to perform half-power heating, control both the U-shaped heating film 530 and the back heating film 531 to stop working, and control the bottom heating film 532 to perform full-power heating.
Further, when the countdown is not finished and the first temperature difference is greater than or equal to the fifth reference value, the controller 51 is further configured to control the evaporator 1 to perform half-power heating, and control all the U-shaped heating film 530, the back heating film 531, and the bottom heating film 532 to perform full-power heating. In an embodiment, the magnitude of the fifth reference value is 2 ℃.
Further, when the countdown is not finished and the first temperature difference is smaller than the fifth reference value, the controller 51 is further configured to control the evaporator 1, the U-shaped heating film 530 and the back heating film 531 to stop working, and control the bottom heating film 532 to heat at full power.
Further, when the countdown is not finished and the first temperature difference is smaller than the fifth reference value, the controller 51 is further configured to control the evaporator 1, the U-shaped heating film 530 and the back heating film 531 to stop working, and control the bottom heating film 532 to heat at full power.
Further, the controller 51 is also configured to control the solenoid valve 6 to start to close when the cavity temperature value is greater than or equal to the reference temperature value. At this time, the chamber 3 is relatively sealed, and pressure is generated inside. In an embodiment, the reference temperature value has a magnitude of 95 ℃.
Further, the controller 51 is further configured to determine whether the evaporator temperature value is smaller than the second reference value when the cavity temperature value is smaller than the reference temperature value.
Further, when the countdown is finished, the cooking is stopped.
Referring to fig. 5 and 6, the present invention provides an electric steam box control method, before executing the electric steam box control method, a cavity temperature value in the cavity 3 and an evaporator temperature value in the evaporator 1 are obtained. The control method of the electric steamer comprises the following steps:
step S100: and starting the electric steaming box to cook. Specifically, the starter 52 starts the evaporator 1, and starts the U-shaped heat generating film 530, the back heat generating film 531, and the bottom heat generating film 532.
At this time, the electric steam box is in an initial state of just starting to work, the cavity temperature value is low, the temperature difference value is large, the first temperature difference value is larger than or equal to a first reference value, and then the step S101 is performed. In an embodiment, the first reference value has a magnitude of 5 ℃.
Step S101: the evaporator 1, the U-shaped heating film 530, the back heating film 531 and the bottom heating film 532 are all heated at full power.
Further, step S1011 is performed after the step S101.
Step S1011: judging whether the cavity temperature value is greater than or equal to the reference temperature value, if so, performing step S1012; otherwise, step S103 is performed. In an embodiment, the reference temperature value has a magnitude of 95 ℃.
Step S1012: and the electromagnetic valve 6 is started and closed, and the suction valve of the pressure release valve is closed. In particular, the chamber 3 is now relatively sealed, generating pressure inside.
Further, step S102 is performed after the step S1012.
Step S102: judging whether the first temperature difference value is smaller than the first reference value, if so, performing step S105 and step S106; otherwise, step S101 is performed.
Step S103: judging whether the evaporator temperature value is smaller than a second reference value, if so, performing step S101; otherwise, go to step S104. In an embodiment, the second reference value has a magnitude of 110 ℃.
Step S104: the evaporator 1 is suspended for T seconds and then heated by half power, and the U-shaped heating film 530, the back heating film 531 and the bottom heating film 532 are heated by full power. In one embodiment, the value of T is 5.
Step S105: the countdown begins. Specifically, the display of the control panel 4 counts down.
Step S106: the evaporator 1 and the U-shaped heating film 530 are heated at half power, the bottom heating film 532 is heated at full power, and the back heating film 531 is heated at half power.
Step S107 is performed after step S105 and step S106.
Step S107: judging whether the countdown is finished or not, and if so, finishing the cooking; otherwise, step S108 is performed.
Step S108: judging whether the second temperature difference value is smaller than a third reference value, if so, performing step S106; otherwise, step S109 is performed. In an embodiment, the third reference value has a magnitude of 2 ℃.
Step S109: the evaporator 1 is heated at half power, the U-shaped heating film 530 and the back heating film 531 stop working, and the bottom heating film 532 is heated at full power.
Step S110: judging whether the countdown is finished or not, and if so, finishing the cooking; otherwise, step S111 is performed.
Step S111: judging whether the second temperature difference value is smaller than a fourth reference value, if so, performing step S109; otherwise, step S112 is performed. In an embodiment, the fourth reference value has a magnitude of 5 ℃.
Step S112: the evaporator 1, the U-shaped heating film 530 and the back heating film 531 stop working, and the bottom heating film 532 heats at full power.
Step S113: judging whether the countdown is finished or not, and if so, finishing the cooking; otherwise, step S114 is performed.
Step S114: judging whether the first temperature difference value is smaller than a fifth reference value, if so, performing step S112; otherwise, step S115 is performed. In an embodiment, the magnitude of the fifth reference value is 2 ℃.
Step S115: the evaporator 1 is heated at half power, and the U-shaped heating film 530, the back heating film 531 and the bottom heating film 532 are all heated at full power.
The step S108 is performed after the step S115.
Further, when the evaporator temperature value is equal to 125 ℃, the water pump 2 starts pumping water for a certain period of time when the above steps are performed.
Further, the above steps are repeated according to corresponding conditions until the cooking is finished.
The electric steam box and the control method of the electric steam box can effectively control the water consumption in the cooking process, improve the heating speed of the steam box, and reduce the problems of excessive residual water in the cavity after the cooking is finished. The steam box can generate pressure of more than 2000Pa in the cooking process, and solves the problems that the time for cooking difficult foods such as the pig trotters is too long, the taste is poor and the like.
The electric steam box has simple structure, can quickly generate steam, reduce water consumption and residual water in the cavity, and can generate pressure during cooking.
It will be apparent to those skilled in the art that the foregoing preferred embodiments of the present invention have been described for convenience and brevity, but the scope of the present invention is not limited thereto, and any variations or alterations that may be easily made by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be covered thereby. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A control method of an electric steam box is characterized by comprising the following steps: the control method of the electric steamer comprises the following steps:
acquiring a cavity temperature value in the cavity and acquiring an evaporator temperature in the evaporator;
step S101: the evaporator, the U-shaped heating film, the back heating film and the bottom heating film are all heated at full power;
step S1011: judging whether the cavity temperature value is greater than or equal to the reference temperature value, if so, performing step S1012; if not, go to step S103;
step S1012: the electromagnetic valve is started and closed, and the suction valve of the pressure release valve is closed;
step S102: judging whether the first temperature difference value is smaller than a first reference value or not; if yes, go to step S105 and step S106; if not, go to step S101; the first temperature difference value is obtained by subtracting a cavity temperature value of the electric steamer from a preset temperature value; wherein the step S102 follows the step S1012;
step S103: judging whether the temperature value of the evaporator is smaller than a second reference value, if so, performing the step S101; if not, go to step S104;
step S104: the evaporator stops working for T seconds, then half-power heating is carried out, and the U-shaped heating film, the back heating film and the bottom heating film are heated in a full-power mode;
step S105: starting a countdown;
step S106: the evaporator and the U-shaped heating film are heated in a half-power mode, the bottom heating film is heated in a full-power mode, and the back heating film is heated in a half-power mode;
step S107: and judging whether the countdown is finished or not, and if so, finishing the cooking.
2. The electric steamer control method of claim 1, characterized in that: the method is characterized in that: in the above step S107, when the result is judged as no, step S108 is performed,
step S108: judging whether the second temperature difference value is smaller than a third reference value, if so, performing step S106; otherwise, go to step S109; the second temperature difference value is obtained by subtracting the preset temperature value from the cavity temperature value;
step S109: the evaporator is heated at half power, the U-shaped heating film and the back heating film stop working, and the bottom heating film is heated at full power.
3. The electric steamer control method of claim 2, characterized in that: step S110 is performed after step S109;
step S110: judging whether the countdown is finished or not, and if so, finishing the cooking; otherwise, go to step S111;
step S111: and judging whether the second temperature difference value is smaller than a fourth reference value, and if so, performing step S109.
4. The electric steamer control method of claim 3, characterized in that: in the step S111, if the second temperature difference is greater than or equal to the fourth reference value, performing step S112;
step S112: the evaporator, the U-shaped heating film and the back heating film stop working, and the bottom heating film is heated at full power.
5. The electric steamer control method of claim 4, characterized in that: step S113 is performed after step S112;
step S113: judging whether the countdown is finished or not, and if so, finishing the cooking; otherwise, go to step S114;
step S114: judging whether the first temperature difference value is smaller than a fifth reference value, if so, performing step S112; otherwise, go to step S115;
step S115: the evaporator is heated at half power, and the U-shaped heating film, the back heating film and the bottom heating film are all heated at full power.
6. An electric steamer applied to the control method of the electric steamer as claimed in any one of claims 1 to 5, the electric steamer comprises an evaporator and a cavity, and is characterized in that: the electric steam box further comprises a control device and an electromagnetic valve, the control device is installed inside the electric steam box, the control device comprises a controller, a starter, a heater and a judging device, the judging device comprises a cavity sensor and an evaporator sensor, the cavity sensor is located in the cavity and used for sensing and acquiring a cavity temperature value in the cavity, the evaporator sensor is located in the evaporator and used for sensing and acquiring an evaporator temperature value in the evaporator, the heater comprises a U-shaped heating film, a back heating film and a bottom heating film, the controller is provided with a preset temperature value, and the cavity temperature value subtracted from the preset temperature value is a first temperature difference value between the preset temperature value and the cavity temperature value; subtracting the preset temperature value from the cavity temperature value to obtain a second temperature difference value between the preset temperature value and the cavity temperature value; the controller is used for comparing the magnitude relation between the first temperature difference value and a first reference value, comparing the evaporator temperature value and a second reference value, comparing the magnitude relation between the second temperature difference value and a third reference value, comparing the magnitude relation between the second temperature difference value and a fourth reference value, comparing the magnitude relation between the first temperature difference value and a fifth reference value and comparing the magnitude relation between the cavity temperature value and a reference temperature value; the controller is also used for respectively controlling the evaporator, the U-shaped heating film, the back heating film and the bottom heating film to be heated in full power or in half power or to stop working; the electric steamer also comprises a timer for counting down.
7. The electric steamer of claim 6, wherein: the reference temperature value is 95 degrees centigrade (° c), the first reference value is 5 ℃, the second reference value is 110 ℃, the third reference value is 2 ℃, the fourth reference value is 5 ℃, and the fifth reference value is 2 ℃.
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| CN201810092098.6A CN110089928B (en) | 2018-01-30 | 2018-01-30 | Electric steam box and control method thereof |
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| CN201810092098.6A CN110089928B (en) | 2018-01-30 | 2018-01-30 | Electric steam box and control method thereof |
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| CN110089928A CN110089928A (en) | 2019-08-06 |
| CN110089928B true CN110089928B (en) | 2021-03-30 |
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