CN112294101A - Cooking equipment, steam valve detection method and device thereof, and storage medium - Google Patents

Cooking equipment, steam valve detection method and device thereof, and storage medium Download PDF

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Publication number
CN112294101A
CN112294101A CN202011163590.1A CN202011163590A CN112294101A CN 112294101 A CN112294101 A CN 112294101A CN 202011163590 A CN202011163590 A CN 202011163590A CN 112294101 A CN112294101 A CN 112294101A
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China
Prior art keywords
steam valve
cooking
top temperature
steam
temperature value
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Granted
Application number
CN202011163590.1A
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Chinese (zh)
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CN112294101B (en
Inventor
肖麟
孔进喜
王江南
瞿兆蕙
管晶晶
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202011163590.1A priority Critical patent/CN112294101B/en
Publication of CN112294101A publication Critical patent/CN112294101A/en
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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
    • 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
    • A47J36/06—Lids or covers for 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
    • A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/14—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of space
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/003—Machine valves
    • 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)
  • Cookers (AREA)

Abstract

The invention relates to a cooking device and a steam valve detection method, a steam valve detection device and a storage medium thereof, wherein a steam valve opening instruction is detected, and a top temperature value detected by a top temperature sensing element of the cooking device is monitored; because the top temperature sensing piece and the steam valve are both arranged on the top wall of the cooking cavity of the cooking equipment, the steam valve can form a steam outlet; after the steam valve is adjusted, steam can be discharged from the steam outlet, so that the top temperature value detected by the top temperature sensing element is reduced. And if the temperature value of the top part is monitored to rise, the steam valve is not adjusted normally, and therefore the fault of the steam valve can be determined. If the top temperature value is monitored to be reduced and the reduced temperature of the top temperature value is smaller than the preset temperature difference within the preset time, it is proved that the steam valve does not completely execute the opening instruction, and then the steam valve fault can be determined. Through the steam valve detection method, the fault of the steam valve can be effectively determined, so that the cooking stability of the cooking equipment is ensured.

Description

Cooking equipment, steam valve detection method and device thereof, and storage medium
Technical Field
The invention relates to the technical field of cooking, in particular to cooking equipment, a steam valve detection method and device thereof, and a storage medium.
Background
The cooking equipment is common living electric appliances and can be used for making various gourmets for people, such as electric cookers. Cooking devices are typically provided with a steam valve that regulates the steam exiting the cooking device. However, in the cooking process of the conventional cooking device, the failure or failure of the steam valve cannot be effectively judged, and the cooking of the cooking device is affected.
Disclosure of Invention
The invention provides cooking equipment, a steam valve detection method and device thereof and a storage medium, aiming at the problem that the fault or failure of a steam valve cannot be effectively judged, and the cooking equipment, the steam valve detection method and device thereof and the storage medium can achieve the technical effect of judging the fault or failure of the steam valve.
A method of detecting a steam valve of a cooking apparatus, the method comprising:
detecting an opening instruction of a steam valve, and starting to monitor a top temperature value detected by a top temperature sensing element of the cooking equipment; the top temperature sensing piece and the steam valve are both arranged on the top wall of the cooking cavity of the cooking equipment; the steam valve can form a steam outlet communicated with the cooking cavity, and the area of the steam outlet is adjustable;
and if the top temperature value is monitored to rise, or if the top temperature value is monitored to fall and the falling temperature of the top temperature value is less than the preset temperature difference within the preset time, determining that the steam valve has a fault.
In one embodiment, the detecting of the opening command of the steam valve starts to monitor the top temperature value detected by the top temperature sensing element of the cooking device, and includes:
when an opening instruction of the steam valve is detected, detecting a first top temperature value at the moment through the top temperature sensing element, and recording detection time;
if the top temperature value is monitored to rise, or if the top temperature value is monitored to fall and the falling temperature of the top temperature value is less than the preset temperature difference within the preset time, determining that the steam valve has a fault, comprising:
when the detection time is greater than or equal to the preset time, detecting a second top temperature value at the moment through the top temperature sensing element;
and if the second top temperature value is greater than the first top temperature value, or if the temperature difference value between the second top temperature value and the first top temperature value is less than a preset temperature difference value, determining that the steam valve has a fault.
In one embodiment, after determining that the steam valve is failed, the method further includes:
reducing the current heating power of the cooking equipment; or
Controlling the cooking equipment to stop heating.
In one embodiment, the detecting of the opening command of the steam valve includes:
if the duration for heating the food in the cooking cavity with the first preset power is detected to be greater than or equal to the set time, detecting an instruction for adjusting the steam outlet of the steam valve to a preset area to obtain an opening instruction of the steam valve; or
If the temperature of the food heated in the cooking cavity by the first preset power is detected to be greater than or equal to the set temperature, detecting an instruction of adjusting the steam outlet of the steam valve to a preset area, and obtaining an opening instruction of the steam valve.
In one embodiment, after the detecting the steam valve opening command, the method further includes:
the heating power of the cooking equipment is reduced to a second preset power, so that the food in the cooking cavity of the cooking equipment is heated by the second preset power, and the second preset power is smaller than the first preset power.
In one embodiment, after determining that the steam valve is failed, the method further includes:
and generating fault information corresponding to the steam valve, and displaying the fault information through a display component of the cooking equipment.
In one embodiment, the top temperature sensing element is arranged on the top wall of the cooking cavity close to the steam outlet, or the top temperature sensing element is arranged at the steam outlet;
the top temperature sensing piece is used for detecting the temperature value at the steam outlet.
In one embodiment, the steam valve comprises a fixed seat, a movable valve body and a driving piece, wherein the movable valve body is movably arranged on the fixed seat, and the driving piece is used for driving the movable valve body to move relative to the fixed seat, so that a gap between the fixed seat and the movable valve body forms the steam outlet;
the detecting a steam valve opening command comprises:
and detecting an instruction of moving the movable valve body to a preset position relative to the fixed seat.
A steam valve detecting apparatus of a cooking appliance, comprising:
the monitoring module is used for detecting an opening instruction of a steam valve and starting to monitor a top temperature value detected by a top temperature sensing element of the cooking equipment; the top temperature sensing piece and the steam valve are both arranged on the top wall of the cooking cavity of the cooking equipment; the steam valve can form a steam outlet communicated with the cooking cavity, and the area of the steam outlet is adjustable;
and the fault judgment module is used for determining that the steam valve has a fault if the top temperature value is monitored to rise or if the top temperature value is monitored to fall and the falling temperature of the top temperature value is less than the preset temperature difference within the preset time.
A cooking apparatus, comprising:
a cooking body formed with a cooking cavity;
the top temperature sensing piece is arranged on the cooking body and positioned on the top wall of the cooking cavity, and is used for detecting the temperature in the cooking cavity;
a heater for heating the cooking body;
the steam valve is arranged on the cooking body and positioned on the top wall of the cooking cavity, a steam outlet communicated with the cooking cavity can be formed in the steam valve, and the area of the steam outlet can be adjusted; and
a controller comprising a memory storing a computer program and a processor implementing the steps of the method of any one of claims 1 to 8 when the processor executes the computer program.
In one embodiment, the cooking apparatus is an electric rice cooker.
A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method as set forth above.
According to the cooking equipment and the steam valve detection method, device, storage medium and computer readable storage medium thereof, the steam valve opening instruction is detected, and the top temperature value detected by the top temperature sensing element of the cooking equipment is monitored; because the top temperature sensing piece and the steam valve are both arranged on the top wall of the cooking cavity of the cooking equipment, the steam valve can form a steam outlet communicated with the cooking cavity; and then after adjusting the steam valve for steam can be discharged by the steam outlet, and cold air can enter into the culinary art intracavity by the steam outlet, makes the top temperature value that top temperature sensing spare detected descend. And if the temperature value of the top part is monitored to rise, the steam valve is not adjusted normally, and therefore the fault of the steam valve can be determined. If the top temperature value is monitored to be reduced and the reduced temperature of the top temperature value is smaller than the preset temperature difference within the preset time, it is proved that the steam valve does not completely execute the opening instruction, and then the steam valve fault can be determined. Through the steam valve detection method, the fault of the steam valve can be effectively determined, so that the cooking stability of the cooking equipment is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a cooking apparatus in one embodiment;
FIG. 2 is a schematic flow chart illustrating a steam valve detection method of a cooking apparatus according to an embodiment;
fig. 3 is a schematic flow chart illustrating a steam valve detection method of a cooking apparatus according to another embodiment;
fig. 4 is a block diagram of a steam valve detection device of a cooking apparatus in an embodiment.
Description of reference numerals:
10. cooking equipment, 100, a cooking body, 110, a cooking cavity, 120, an inner container, 130, a cover body, 200, a steam valve, 210, a steam outlet, 220, a fixed seat, 230, a movable valve body, 240, a driving part, 101, a monitoring module, 102 and a fault judgment module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1, fig. 1 shows a schematic structural diagram of a cooking apparatus 10 according to an embodiment of the present invention, the cooking apparatus 10 includes a cooking body 100, a top temperature sensing element, a heater, a steam valve 200 and a controller, the cooking body 100 is formed with a cooking cavity 110, the heater is used for heating the cooking body 100, the steam valve 200 is disposed on the cooking body 100 and located on a top wall of the cooking cavity 110, the steam valve 200 is provided with a steam outlet 210, an area of the steam outlet 210 is adjustable, and the steam outlet 210 can communicate with the cooking cavity 110. The top temperature sensing member is disposed on the cooking body 100 and located on a top wall of the cooking cavity 110, and the top temperature sensing member is used for detecting a temperature in the cooking cavity 110. The controller is used for controlling the steam valve 200 to adjust the area of the steam outlet 210, and judging whether the steam valve is in fault or not according to the temperature value detected by the top temperature sensing element.
In the cooking apparatus 10, the food to be cooked is placed in the cooking cavity 110 of the cooking body 100, and the heater is activated to heat the food in the cooking cavity 110. And a steam valve 200 is provided on the cooking body 100, and a steam outlet 210 of the steam valve 200 can communicate with the cooking chamber 110. When the cooking device is used, after the steam valve 200 is adjusted, steam can be discharged from the steam outlet, cold air can enter the cooking cavity from the steam outlet, and the top temperature value detected by the top temperature sensing element is reduced. Detecting an opening instruction of the steam valve 200, and starting to monitor a top temperature value detected by a top temperature sensing element of the cooking device 10; and if the temperature value of the top part is monitored to rise, the steam valve 200 is not adjusted normally, and the fault of the steam valve 200 can be further judged. If the top temperature value is monitored to be reduced and the reduced temperature of the top temperature value is smaller than the preset temperature difference within the preset time, it is proved that the steam valve 200 does not completely execute the opening instruction, and then the steam valve 200 can be judged to be in fault. Through the above detection method of the steam valve 200, the fault of the steam valve 200 can be effectively judged so as to ensure the cooking stability of the cooking apparatus 10.
In one embodiment, the top temperature sensing element is disposed on the top wall of the cooking cavity 110 near the steam outlet 210, and the top temperature sensing element is used for detecting a temperature value in the cooking cavity 110 near the steam outlet 210. Through detecting the temperature that is close to steam outlet 210 department, can be convenient for judge more accurately and adjust steam outlet 210 back, the temperature variation in the culinary art chamber 110, and then judge more accurately whether steam valve 200 breaks down, improve the accuracy of judgement.
In an embodiment, the top temperature sensing element is disposed at the steam outlet 210, and the top temperature sensing element is used for detecting a temperature value at the steam outlet 210. By detecting the temperature value at the steam outlet 210, whether the steam valve 200 has a fault can be more accurately judged according to the top temperature sensing element, and the judgment accuracy is improved.
In one embodiment, the cooking body 100 includes an inner container 120 and a cover 130, the cooking cavity 110 is formed in the inner container 120, the heater is used for heating the inner container 120, the cover 130 is openably and closably covered on the cooking cavity 110, the top temperature sensing element is disposed on one side of the cover 130 facing the cooking cavity 110, and the top temperature sensing element is used for detecting the temperature of the cover 130 facing one side of the cooking cavity 110; the steam valve 200 is disposed on the cover 130. The cooking cavity 110 is formed by arranging the inner container 120, the cooking cavity 110 is covered by the cover 130, and the top temperature sensing element and the steam valve 200 are arranged conveniently.
In an embodiment, the steam valve 200 includes a fixed seat 220, a movable valve body 230 and a driving member 240, the movable valve body 230 is movably disposed on the fixed seat 220, and the driving member 240 is configured to drive the movable valve body 230 to move relative to the fixed seat 220, so that the gap between the fixed seat 220 and the movable valve body 230 forms the steam outlet 210. When the steam generator is used, the driving piece 240 drives the movable valve body 230 to move relative to the fixed seat 220, and the steam outlet 210 is formed by utilizing the gap between the movable valve body 230 and the fixed seat 220. The opening size of the steam outlet 210 can be adjusted by adjusting the distance of the movable valve body 230 relative to the fixed seat 220 through the driving member 240.
Specifically, a connection channel communicated with the cooking cavity 110 is formed on the fixing seat 220, the driving member 240 is disposed on the fixing seat 220, and can drive the movable valve body 230 to cover the connection channel, or drive the movable valve body 230 to move in a direction away from the fixing seat 220, so that a steam outlet 210 is formed between the movable valve body 230 and the fixing member, and the steam outlet 210 can be communicated with the cooking cavity 110 through the connection channel.
In another embodiment, a first through hole communicating with the cooking cavity 110 may be further formed in the fixed seat 220, a second through hole is formed in the movable valve body 230, the movable valve body 230 is disposed on the fixed seat 220 and can cover the first through hole, and the driving member 240 is configured to drive the movable valve body 230 to rotate relative to the fixed seat 220, so that the first through hole can communicate with the second through hole and form the steam outlet 210. Wherein, by adjusting the rotation angle of the movable valve body 230, the area of the first through hole communicated with the second through hole can be adjusted, and further the effect of adjusting the area of the steam outlet 210 is realized.
In other embodiments, the steam outlet 210 may also be formed in other manners, as long as the driving member 240 can drive the movable valve body 230 to move relative to the fixed seat 220, so as to achieve the purpose of adjusting the area of the steam outlet 210.
In one embodiment, the driving member 240 includes a driving source and a transmission member, the movable valve body 230 is connected to the driving source through the transmission member, and the driving source drives the movable valve body 230 to move relative to the fixed seat 220 through the transmission member.
In this embodiment, the transmission member is a screw nut mechanism, the movable valve body 230 is disposed on a nut, and the driving source drives the screw to rotate, so that the nut can drive the movable valve body 230 to move relative to the fixed seat 220, so as to form the steam outlet 210 between the fixed seat 220 and the movable valve body 230.
In other embodiments, the transmission member may also be a rack and pinion mechanism, the movable valve body 230 is disposed on a rack, and the driving source drives the gear to rotate, so as to drive the movable valve body 230 to move relative to the fixing base 220 through the rack. Alternatively, the transmission member may be an electric push rod or other structures, as long as the driving source can drive the movable valve body 230 to move relative to the fixed seat 220 through the transmission member, so as to adjust the area of the steam outlet 210.
In the present embodiment, the cooking apparatus 10 is an electric rice cooker. In other embodiments, the cooking device 10 may be an electric cooker, an electric pan, an electric steamer, or other types of cooking devices.
Referring to fig. 1 and fig. 2, in an embodiment of a method for detecting a steam valve of a cooking apparatus 10, the cooking apparatus 10 is the cooking apparatus 10 in any of the above embodiments, but in other embodiments, the cooking apparatus 10 may also be the cooking apparatus 10 in other embodiments. Specifically, the steam valve detection method of the cooking apparatus 10 includes the steps of:
step S100: detecting an opening instruction of the steam valve 200, and starting to monitor a top temperature value detected by a top temperature sensing element of the cooking device 10; wherein, the top temperature sensing element and the steam valve 200 are both arranged on the top wall of the cooking cavity 110 of the cooking device 10; the steam valve 200 can form a steam outlet 210 communicating with the cooking chamber 110, and the area of the steam outlet 210 can be adjusted.
In one embodiment, the steam valve 200 can form a steam outlet 210 communicating with the cooking cavity 110, and the top temperature sensing element is disposed on the top wall of the cooking cavity 110 near the steam outlet 210, and is used for detecting the temperature value at the steam outlet 210. The top temperature sensing piece is arranged at a position close to the steam outlet 210, so that the temperature close to the steam outlet 210 can be effectively judged, and the judgment accuracy of the subsequent steps is improved.
In another embodiment, the top temperature sensor is disposed at the steam outlet 210, and the top temperature sensor is used for detecting a temperature value at the steam outlet 210. The temperature change at the steam outlet 210 can be more accurately judged by the top temperature sensing member.
In other embodiments, the top temperature sensing element may be disposed on other positions of the top wall of the cooking cavity 110 as long as the temperature of the top of the cooking cavity 110 can be detected.
In one embodiment, the opening command of the steam valve 200 includes a command that the steam outlet 210 of the steam valve 200 is adjusted to a predetermined area. Specifically, the opening command of the steam valve 200 includes a command of the movable valve body 230 moving to a preset position relative to the fixed seat 220. After the driving member 240 receives the opening command, the driving member 240 drives the movable valve body 230 to move relative to the fixed seat 220, so as to adjust the area size of the steam outlet 210 formed between the movable valve body 230 and the fixed seat 220.
In an embodiment, the detecting the opening command of the steam valve 200 includes:
if it is detected that the time period for heating the food in the cooking cavity 110 with the first preset power is greater than or equal to the set time, an instruction for adjusting the steam outlet 210 of the steam valve 200 to a preset area is detected, so as to obtain an opening instruction of the steam valve 200.
Specifically, after cooking starts, the heater heats the food in the cooking cavity 110 with a first preset power, and the relationship between the current heating time and the set time is determined. If the current heating time period is greater than or equal to the set time, it is considered that the cooking apparatus 10 has reached the condition for adjusting the area of the steam outlet 210 of the steam valve 200, and an instruction for adjusting the area of the steam outlet 210 to a preset area is sent to the steam valve 200. After the instruction is sent, the instruction is detected.
In this embodiment, the food in the cooking cavity 110 is heated at the first preset power, so that the current heating time is longer than or equal to the set time, and it is considered that the food in the cooking cavity 110 enters the boiling stage, or is about to enter the boiling stage.
In another embodiment, if it is detected that the temperature for heating the food in the cooking cavity 110 with the first predetermined power is greater than or equal to the set temperature, an instruction for adjusting the steam outlet 210 of the steam valve 200 to a predetermined area is detected, and an opening instruction of the steam valve 200 is obtained.
Specifically, after cooking starts, the heater heats the food in the cooking cavity 110 with a first preset power, and the relationship between the current temperature and the set temperature is determined. If the current temperature of heating is greater than or equal to the set temperature, it is considered that the cooking apparatus 10 has reached the condition of adjusting the area of the steam outlet 210 of the steam valve 200, and an instruction to adjust the area of the steam outlet 210 to the preset area is sent to the steam valve 200. After the instruction is sent, the instruction is detected.
In this embodiment, the set temperature is 85 ℃ to 95 ℃. If the food in the cooking chamber 110 is heated with the first preset power so that the current temperature of the heating is greater than or equal to the set temperature, it is considered that the food in the cooking chamber 110 enters the boiling stage or is about to enter the boiling stage. In other embodiments, the set temperature may also be greater than 95 ℃.
In an embodiment, after the detecting the opening command of the steam valve 200, the method further includes:
heating the food in the cooking cavity 110 of the cooking apparatus 10 with a second preset power, wherein the second preset power is smaller than the first preset power.
Specifically, the food in the cooking cavity 110 is heated at the first preset power, so that the food is boiled or close to be boiled, and the food is heated at the second preset power, so that the heating stability can be ensured, the situation that the food is continuously heated at the larger first preset power is avoided, and the overflow risk is increased. In another embodiment, the step of detecting the opening command of the steam valve 200 and the step of heating the food in the cooking cavity 110 of the cooking apparatus 10 at the second preset power can be performed simultaneously.
Referring to fig. 1 and fig. 3, in an embodiment, step S100: the detecting of the opening instruction of the steam valve 200, starting to monitor the top temperature value detected by the top temperature sensing element of the cooking apparatus 10, includes:
step S110: when the opening instruction of the steam valve 200 is detected, the first top temperature value at the moment is detected through the top temperature sensing element, and the detection time is recorded.
In another embodiment, when the first preset power is switched to the second preset power, the top temperature sensing element may be used to detect the first top temperature value at that time, and record the detection time.
Step S200: if the top temperature value is monitored to rise, or if the top temperature value is monitored to fall and the falling temperature of the top temperature value is less than the preset temperature difference within the preset time, it is determined that the steam valve 200 is in failure.
Specifically, step S210: when the detection time is greater than or equal to the preset time, detecting a second top temperature value at the moment through the top temperature sensing element;
step S220: if the second top temperature value is greater than the first top temperature value, or if the temperature difference between the second top temperature value and the first top temperature value is less than the preset temperature difference, it is determined that the steam valve 200 is in failure.
Because the area of steam valve 200 steam outlet 210 is in the initial stage after the regulation, the change of the top temperature value that the top temperature sensing piece detected is more obvious, and then through the second top temperature value after detecting first top temperature value and preset time, the big or small relation between first top temperature value and the second top temperature value of contrast can be convenient for improve the precision of judging steam valve 200 trouble.
In one embodiment, the predetermined temperature difference is 3 ℃ to 5 ℃. The preset time is 1min-10 min. In this embodiment, by determining the temperature drop of the top temperature value within 1min to 10min, if the temperature drop of the top temperature is 3 ℃ to 5 ℃, it can be determined that the steam valve 200 can normally operate. If the falling temperature of the top temperature value is less than the preset temperature difference, it may be considered that the steam outlet 210 of the steam valve 200 is not normally opened. If the falling temperature of the top temperature value is greater than the preset temperature difference, it may be considered that the area of the steam outlet 210 of the steam valve 200 is adjusted too much.
In an embodiment, after determining that the steam valve 200 is failed, the method further includes:
the current heating power of the cooking device 10 is reduced.
Specifically, turning down the current heating power of the cooking device 10 includes:
and reducing the second preset power.
After the steam valve 200 is determined to be in fault, if heating is performed at the current heating power or the risk of overflow exists, the risk of overflow during cooking can be effectively reduced by reducing the current heating power of the cooking device 10.
In another embodiment, after determining that the steam valve 200 is failed, the method further includes:
controlling the cooking apparatus 10 to stop heating.
After the steam valve 200 is determined to be in fault, the cooking device 10 is controlled to stop heating, so that the cooking safety can be effectively ensured, and the overflow condition is avoided.
In an embodiment, after determining that the steam valve 200 is failed, the method further includes:
generating fault information corresponding to the steam valve 200 and displaying the fault information through a display part of the cooking appliance 10.
And displays the failure information through a display part of the cooking appliance 10 by generating the failure information corresponding to the steam valve 200 so as to remind a user of the failure of the steam valve 200.
In the present embodiment, the display part includes a display screen through which failure information of the steam valve 200 is displayed. In another embodiment, the display unit includes a buzzer that is activated to alarm when the steam valve 200 is in a fault condition. Alternatively, the display unit includes an indicator light that is activated to light up when the steam valve 200 is in a fault state.
According to the method for detecting the steam valve 200 of the cooking device 10, after the cooking device 10 starts to cook, when the cooking device is heated to the set time with the first preset power or the temperature in the cooking cavity 110 reaches the set temperature, the food in the cooking cavity 110 enters the boiling stage, or the food is about to enter the boiling stage, at this time, an opening instruction of the steam valve 200 is sent, so that the area of the steam valve 200 for adjusting the steam outlet 210 is increased, the steam in the cooking cavity 110 is effectively discharged through the steam outlet 210, cold air can enter the cooking cavity 110 through the steam outlet 210, and the top temperature value detected by the top temperature sensing element is reduced.
Detecting an opening instruction of the steam valve 200, and starting to monitor a top temperature value detected by a top temperature sensing element of the cooking device 10; if the top temperature value is monitored to rise, the steam valve 200 is not adjusted normally, and thus it can be determined that the steam valve 200 is malfunctioning. If the top temperature value is monitored to be reduced and the reduced temperature of the top temperature value is smaller than the preset temperature difference within the preset time, it is proved that the steam valve 200 does not completely execute the opening instruction, and then the steam valve 200 can be determined to be in fault. After the steam valve 200 is determined to be in fault, the current heating power is reduced or heating is stopped, so that the risk of overflowing can be effectively avoided, and the cooking safety and stability of the cooking equipment 10 are improved.
The detection method of the steam valve 200 of the cooking device 10 can judge whether the steam valve 200 is in failure only by the top temperature sensing element without adding other detection sensors.
It should be understood that, although the steps in the flowcharts of fig. 2 and 3 are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2 and 3 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least some of the other steps or stages.
In this embodiment, the controller comprises a memory storing a computer program and a processor implementing the steps of the method described in any of the above embodiments when executing the computer program.
In one embodiment, as shown in fig. 4, there is provided a steam valve detecting device of a cooking apparatus 10, including:
a monitoring module 101, configured to detect an opening instruction of the steam valve 200, and start to monitor a top temperature value detected by a top temperature sensing element of the cooking apparatus 10; wherein, the top temperature sensing element and the steam valve 200 are both arranged on the top wall of the cooking cavity 110 of the cooking device 10; the steam valve 200 can form a steam outlet 210 communicated with the cooking cavity 110, and the area of the steam outlet 210 can be adjusted;
the fault determining module 102 is configured to determine that the steam valve 200 is in fault if the top temperature value is monitored to increase, or if the top temperature value is monitored to decrease and the decrease temperature of the top temperature value is smaller than a preset temperature difference within a preset time.
In one embodiment, the monitoring module 101 includes:
the monitoring submodule is used for detecting a first top temperature value at the moment through the top temperature sensing element when an opening instruction of the steam valve 200 is detected, and recording detection time;
in an embodiment, the monitoring module 101 further includes:
a heating module for heating the food in the cooking cavity 110 with a first preset power,
the first condition module is configured to detect an instruction to adjust the steam outlet 210 of the steam valve 200 to a preset area if it is detected that a duration of heating the food in the cooking cavity 110 with a first preset power is greater than or equal to a set time, and obtain an opening instruction of the steam valve 200.
A second condition module, which detects an instruction to adjust the steam outlet 210 of the steam valve 200 to a preset area if it is detected that the temperature of the food in the cooking cavity 110 heated by the first preset power is greater than or equal to the set temperature, and obtains an opening instruction of the steam valve 200.
In an embodiment, the monitoring module 101 further includes:
the detection module is configured to detect a command for moving the movable valve body 230 to a preset position relative to the fixed seat 220.
In an embodiment, the failure determining module 102 includes:
the recording module is used for detecting a second top temperature value at the moment through the top temperature sensing element when the detection time is greater than or equal to the preset time;
and the judgment submodule is used for determining that the steam valve 200 is in fault if the second top temperature value is greater than the first top temperature value or if the temperature difference value between the second top temperature value and the first top temperature value is less than the preset temperature difference.
In one embodiment, the steam valve detecting device further includes:
and the adjusting module is used for reducing the current heating power of the cooking device 10.
And the control module is used for controlling the cooking equipment 10 to stop heating.
A failure module for generating failure information corresponding to the steam valve 200 and displaying the failure information through a display part of the cooking appliance 10.
For specific limitations of the steam valve detection device based on the cooking apparatus 10, reference may be made to the above limitations of the steam valve detection method based on the cooking apparatus 10, which are not described herein again. The various modules in the steam valve detection apparatus based on the cooking appliance 10 described above may be implemented in whole or in part by software, hardware, and combinations thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any of the above embodiments.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (12)

1. A method of detecting a steam valve of a cooking apparatus, the method comprising:
detecting an opening instruction of a steam valve, and starting to monitor a top temperature value detected by a top temperature sensing element of the cooking equipment; the top temperature sensing piece and the steam valve are both arranged on the top wall of the cooking cavity of the cooking equipment; the steam valve can form a steam outlet communicated with the cooking cavity, and the area of the steam outlet is adjustable;
and if the top temperature value is monitored to rise, or if the top temperature value is monitored to fall and the falling temperature of the top temperature value is less than the preset temperature difference within the preset time, determining that the steam valve has a fault.
2. The method of claim 1, wherein detecting the opening command of the steam valve to start monitoring the top temperature value detected by the top temperature sensor of the cooking device comprises:
when an opening instruction of the steam valve is detected, detecting a first top temperature value at the moment through the top temperature sensing element, and recording detection time;
if the top temperature value is monitored to rise, or if the top temperature value is monitored to fall and the falling temperature of the top temperature value is less than the preset temperature difference within the preset time, determining that the steam valve has a fault, comprising:
when the detection time is greater than or equal to the preset time, detecting a second top temperature value at the moment through the top temperature sensing element;
and if the second top temperature value is greater than the first top temperature value, or if the temperature difference value between the second top temperature value and the first top temperature value is less than a preset temperature difference value, determining that the steam valve has a fault.
3. The method of claim 1, wherein after the determining the steam valve is malfunctioning, further comprising:
reducing the current heating power of the cooking equipment; or
Controlling the cooking equipment to stop heating.
4. The method of claim 1, wherein the detecting of the opening command of the steam valve comprises:
if the duration for heating the food in the cooking cavity with the first preset power is detected to be greater than or equal to the set time, detecting an instruction for adjusting the steam outlet of the steam valve to a preset area to obtain an opening instruction of the steam valve; or
If the temperature of the food heated in the cooking cavity by the first preset power is detected to be greater than or equal to the set temperature, detecting an instruction of adjusting the steam outlet of the steam valve to a preset area, and obtaining an opening instruction of the steam valve.
5. The method of claim 4, wherein after detecting the steam valve opening command, further comprising:
the heating power of the cooking equipment is reduced to a second preset power, so that the food in the cooking cavity of the cooking equipment is heated by the second preset power, and the second preset power is smaller than the first preset power.
6. The method of any of claims 1-5, wherein after determining that the steam valve is malfunctioning, further comprising:
and generating fault information corresponding to the steam valve, and displaying the fault information through a display component of the cooking equipment.
7. The method of any of claims 1-5, wherein the top temperature sensing element is disposed on a top wall of the cooking chamber proximate to the steam outlet, or the top temperature sensing element is disposed at the steam outlet;
the top temperature sensing piece is used for detecting the temperature value at the steam outlet.
8. The method according to any one of claims 1 to 5, wherein the steam valve comprises a fixed seat, a movable valve body movably disposed on the fixed seat, and a driving member for driving the movable valve body to move relative to the fixed seat, so that a gap between the fixed seat and the movable valve body forms the steam outlet;
the detecting a steam valve opening command comprises:
and detecting an instruction of moving the movable valve body to a preset position relative to the fixed seat.
9. A steam valve detecting device of a cooking apparatus, comprising:
the monitoring module is used for detecting an opening instruction of a steam valve and starting to monitor a top temperature value detected by a top temperature sensing element of the cooking equipment; the top temperature sensing piece and the steam valve are both arranged on the top wall of the cooking cavity of the cooking equipment; the steam valve can form a steam outlet communicated with the cooking cavity, and the area of the steam outlet is adjustable;
and the fault judgment module is used for determining that the steam valve has a fault if the top temperature value is monitored to rise or if the top temperature value is monitored to fall and the falling temperature of the top temperature value is less than the preset temperature difference within the preset time.
10. A cooking apparatus, characterized in that the cooking apparatus comprises:
a cooking body formed with a cooking cavity;
the top temperature sensing piece is arranged on the cooking body and positioned on the top wall of the cooking cavity, and is used for detecting the temperature in the cooking cavity;
a heater for heating the cooking body;
the steam valve is arranged on the cooking body and positioned on the top wall of the cooking cavity, a steam outlet communicated with the cooking cavity can be formed in the steam valve, and the area of the steam outlet can be adjusted; and
a controller comprising a memory storing a computer program and a processor implementing the steps of the method of any one of claims 1 to 8 when the processor executes the computer program.
11. The cooking apparatus of claim 10, wherein the cooking apparatus is an electric rice cooker.
12. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 8.
CN202011163590.1A 2020-10-27 2020-10-27 Cooking equipment, steam valve detection method and device thereof, and storage medium Active CN112294101B (en)

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