CN111830865B - Cooking appliance, control method, and computer-readable storage medium - Google Patents

Cooking appliance, control method, and computer-readable storage medium Download PDF

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Publication number
CN111830865B
CN111830865B CN202010564659.5A CN202010564659A CN111830865B CN 111830865 B CN111830865 B CN 111830865B CN 202010564659 A CN202010564659 A CN 202010564659A CN 111830865 B CN111830865 B CN 111830865B
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China
Prior art keywords
steam generator
weight
liquid
cooking appliance
controlling
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CN111830865A (en
Inventor
陈立鹏
朱洁乐
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2643—Oven, cooking

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Cookers (AREA)

Abstract

The invention provides a cooking appliance, a control method and a computer readable storage medium, wherein the cooking appliance comprises: a steam generator; a gravity sensor connected with the steam generator; the outlet of the liquid inlet pump is communicated with the steam generator; the inlet of the liquid inlet pump is communicated with the liquid storage box; and the controller is connected with the gravity sensor and the liquid inlet pump. The invention detects the first current weight of the steam generator after liquid supplementing through the gravity sensor, and can judge the liquid amount in the liquid storage box; the second current weight of the steam generator when no liquid exists is detected through the gravity sensor, whether scale exists in the steam generator can be judged, so that a user can timely learn the information, the liquid amount in the liquid storage box is guaranteed to be proper, the inside of the steam generator is guaranteed to be clean, and the working efficiency of the steam generator is guaranteed.

Description

Cooking appliance, control method, and computer-readable storage medium
Technical Field
The invention relates to the technical field of kitchen appliances, in particular to a cooking appliance, a control method of the cooking appliance and a computer readable storage medium.
Background
In the existing cooking appliances, a runner type steam generator is mostly used for generating superheated steam, but the runner type steam generator is cast by cast aluminum, and no method is available for detecting the quantity of liquid in a liquid storage box in the cooking appliance.
In the related art, a temperature sensor is provided on the flow channel type steam generator, and the amount of liquid in the liquid storage box is roughly estimated by the temperature of the temperature sensor, or is directly controlled empirically. The accurate detection to the inside liquid volume of liquid storage box can't be realized to above-mentioned mode.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
To this end, a first aspect of the present invention provides a cooking appliance.
The second aspect of the present invention provides a control method of a cooking appliance.
A third aspect of the present invention provides a computer-readable storage medium.
The first aspect of the present invention provides a cooking appliance comprising: a steam generator; a gravity sensor connected with the steam generator; the outlet of the liquid inlet pump is communicated with the steam generator; the inlet of the liquid inlet pump is communicated with the liquid storage box; and the controller is connected with the gravity sensor and the liquid inlet pump.
The cooking utensil comprises a gravity sensor, a steam generator, a liquid inlet pump, a liquid storage box and a controller. The liquid storage box is communicated with the steam generator through the liquid inlet pump, and the controller can control the liquid inlet pump to operate, so that liquid in the liquid storage box can flow to the steam generator under the action of the liquid inlet pump, and further liquid is provided for the steam generator; steam can be generated inside the steam generator to cook food; the gravity sensor is connected with the steam generator, and can detect the current weight of the steam generator.
Specifically, after the controller controls the liquid inlet pump to perform liquid filling to the steam generator, the gravity sensor detects the first current weight of the steam generator after liquid filling, and the controller judges the liquid amount in the steam generator by combining the weight of the steam generator when no liquid exists in the steam generator so as to obtain the liquid supply condition of the liquid storage box serving as the steam generator, and further judge whether the liquid in the liquid storage box is sufficient. In addition, when no liquid exists in the steam generator, the gravity sensor detects the second current weight of the steam generator, and the controller is combined with the weight of the steam generator to judge whether scale exists in the steam generator. That is, the cooking appliance provided by the invention can judge whether the liquid in the liquid storage box is sufficient or not by detecting the current weight of the steam generator, and can judge whether the steam generator has water scale or not to be cleaned.
The cooking appliance provided by the invention adopts the flow channel type steam generator, and the first current weight of the steam generator after liquid supplementing is detected through the gravity sensor, so that the liquid amount in the liquid storage box can be judged; the second current weight of the steam generator when no liquid exists is detected through the gravity sensor, whether scale exists in the steam generator can be judged, so that a user can timely learn the information, the liquid amount in the liquid storage box is guaranteed to be proper, the inside of the steam generator is guaranteed to be clean, and the working efficiency of the steam generator is guaranteed.
According to the technical scheme, the cooking utensil provided by the invention can be provided with the following additional technical characteristics:
in the above technical solution, the cooking appliance further includes: the main body is internally provided with a cooking cavity, and a steam outlet of the steam generator is communicated with the cooking cavity; wherein, gravity sensor sets up in the main part, and steam generator hangs in gravity sensor setting.
In the technical scheme, the cooking appliance further comprises a main body, wherein a cooking cavity is arranged in the main body, and food to be cooked can be placed in the cooking cavity; the steam outlet of the steam generator is communicated with the cooking cavity and can provide high-temperature steam for the cooking cavity. Particularly, the gravity sensor is directly arranged on the main body, and the steam generator is hung on the gravity sensor, so that a setting mode different from the prior art is provided, the gravity sensor can accurately detect the current weight of the steam generator, and accurate data information is provided for the judgment of the controller.
In any of the above technical solutions, the cooking appliance further includes: the fixed position is arranged on the main body, and one end of the gravity sensor is connected with the fixed position; the rope body, the both ends of rope body are connected with the other end and the steam generator of gravity sensor respectively.
In this technical scheme, be provided with fixed position on cooking utensil's the main part, gravity sensor's one end fixed mounting is in fixed position, guarantees that the fixed position bears the gravity that brings because of gravity sensor and steam generator, guarantees gravity sensor and steam generator's stable installation. In addition, the other end of the gravity sensor is connected with a rope body, and the other end of the rope body is hung with a steam generator, so that the steam generator is stably connected with the gravity sensor. Particularly, the steam generator is directly hung on the gravity sensor through the rope body, so that the gravity sensor can be guaranteed to accurately detect the current weight of the steam generator, and the liquid condition in the liquid storage box and the scale condition in the steam generator can be judged.
In any of the above technical solutions, the cooking appliance further includes: the knob is rotatably arranged on the main body, and the steam generator is connected with the knob; wherein, knob and rope body are connected in steam generator's up end opposite both sides.
In this technical scheme, cooking utensil still includes the knob. Wherein, the one end rotationally sets up in the main part, and steam generator and the other end fixed connection of knob, and then make steam generator rotationally connect in vertical direction for the main part, further guarantee steam generator's connection stability, avoid steam generator to appear rocking or at the rotatory condition of horizontal plane because of lacking positioner.
Particularly, knob and rope body are connected in steam generator's up end opposite both sides, and then make steam generator and knob be connected can not influence gravity sensor and detect steam generator's current weight, guarantee the accurate detection to steam generator's current weight.
In any of the above technical solutions, the cooking appliance further includes: the prompting device is arranged on the main body and is connected with the controller; and the heating piece is connected with the controller and can supply heat for the steam generator.
In this technical scheme, cooking utensil still includes heating member and suggestion device. The heating element is connected with the controller and can work to supply heat for the steam generator under the control of the controller, so that liquid stored in the steam generator boils and steam is generated. In addition, the prompting device is connected with the controller, and when the liquid amount in the liquid storage box is insufficient, the controller controls the prompting device to send out first prompting information so as to remind a user to add liquid into the liquid storage box in time; when the scale is accumulated in the steam generator, the controller controls the prompting device to send out second prompting information so as to remind a user of timely cleaning the scale.
In addition, cooking utensil still includes temperature sensor, temperature sensor sets up on the heating piece to can be used to detect the temperature of heating piece, and then make before detecting the inside incrustation scale that exists of steam generator, control heating piece is in order to set for the temperature dry combustion method, and last dry combustion method is greater than the settlement duration, guarantee the inside liquid of steam generator and evaporate completely, in order to guarantee when judging whether the incrustation scale exists of steam generator, the weight of not including liquid in the current weight of steam generator that detects guarantees the accurate judgement to whether clear up incrustation scale.
The second aspect of the present invention provides a control method for a cooking appliance according to any one of the above-mentioned aspects, wherein the control method includes: controlling the operation of a liquid inlet pump and supplementing liquid to the steam generator; controlling a gravity detection device to detect a first current weight of the steam generator; and controlling the working of the prompting device of the cooking utensil according to the first current weight and the first preset weight of the steam generator.
The control method of the cooking utensil comprises the steps of firstly controlling the operation of the liquid inlet pump and replenishing liquid to the steam generator, specifically controlling the operation of the liquid inlet pump for a period of time to ensure that the liquid inlet pump can pump the liquid stored in the liquid storage box into the steam generator; and then controlling the gravity sensor to detect the first current weight of the steam generator, judging the liquid condition inside the steam generator after liquid supplementing according to the detected first current weight and the first preset weight of the steam generator, determining whether the liquid storage box is provided with enough liquid according to the liquid condition inside the steam generator after liquid supplementing, and controlling the prompting device to work when the liquid in the liquid storage box is insufficient so as to remind a user to add the liquid in time.
According to the control method provided by the invention, the first current weight of the steam generator after liquid supplementing is detected through the gravity sensor, and then the liquid amount in the steam generator is judged by combining the weight of the steam generator without liquid, so that the liquid supply condition of the liquid storage box serving as the steam generator is obtained, whether the liquid in the liquid storage box is judged, a user can know the liquid storage condition in the liquid storage box, and the user can timely add the liquid.
The control method of the cooking appliance according to the technical scheme of the invention can also have the following additional technical characteristics:
in the above technical solution, the step of controlling the operation of the prompting device of the cooking appliance according to the first current weight and the first preset weight of the steam generator specifically includes: calculating a first weight difference between the first current weight and a first preset weight; controlling the prompting device to stop working under the condition that the first weight difference is larger than or equal to the first weight value; controlling the prompting device to start working under the condition that the first weight difference is smaller than the first weight value; wherein the first preset weight is the weight of the steam generator without liquid.
In the technical scheme, after the first current weight and the first preset weight of the steam generator are acquired, a first weight difference between the first current weight and the first preset weight is calculated, and the operation of a prompting device of the cooking appliance is controlled according to the first weight difference and the first weight value. Wherein the first preset weight is the weight of the steam generator without liquid, then the first weight difference is the weight of the liquid inside the steam generator at this time.
Specifically, when the first weight difference is greater than or equal to the first weight value, the liquid amount inside the steam generator is sufficient, namely the liquid storage box provides enough liquid for the steam generator, and the liquid storage box is proved to store liquid, so that the prompt device is controlled to stop working. When the first weight difference is smaller than the first weight value, the fact that the liquid amount in the steam generator is insufficient is indicated, namely the liquid storage box does not provide enough liquid for the steam generating device, the fact that the liquid amount in the liquid storage box is insufficient or the liquid does not exist is proved, and at the moment, the control prompt device sends out first prompt information to remind a user of timely adding.
In any of the above technical solutions, the control method further includes: controlling the gravity detection device to detect a second current weight of the steam generator based on the absence of liquid inside the steam generator; and controlling the working of the prompting device of the cooking utensil according to the second current weight and the second preset weight of the steam generator.
In the technical scheme, the control method of the cooking utensil provided by the invention further comprises the steps of controlling the gravity detection device to detect the second current weight of the steam generator under the condition that no liquid exists in the steam generator, judging the scale condition in the steam generator according to the detected second current weight and the second preset weight of the steam generator, and controlling the prompting device of the cooking utensil to work according to the scale condition in the steam generator so as to prompt a user to timely clean the scale in the steam generator, avoid the scale from influencing the working efficiency of the steam generator, and ensure the clean environment in the steam generator.
In any of the above technical solutions, according to the second current weight and the second preset weight of the steam generator, the step of controlling the operation of the prompting device of the cooking appliance specifically includes: calculating a second weight difference between the second current weight and a second preset weight; controlling the prompt device to send prompt information based on the condition that the second weight difference is larger than or equal to the second weight value; controlling the prompting device to stop working under the condition that the second weight difference is smaller than the second weight value; the second preset weight is the weight of the steam generator under the condition of no liquid and no scale, and the second weight value is the preset scale cleaning weight.
In the technical scheme, under the condition that the second current weight and the second preset weight of the steam generator are known, a second weight difference between the second current weight and the second preset weight is calculated, wherein the second preset weight is the weight of the steam generator under the condition that no liquid and no scale are contained, and then the second temperature difference is the weight of the scale in the steam generator, and then the operation of the prompting device is controlled according to the second weight difference, the second weight value and the second weight value. Wherein the second weight value is a preset scale cleaning weight.
Specifically, when the second weight difference is greater than or equal to the second weight value, indicating that the scale in the steam generator is more, controlling the prompting device to send prompting information to prompt a user to clean in time; when the second weight difference is smaller than the second weight value, the fact that the scale inside the steam generator is small is indicated, and the prompting device is controlled to stop working and the steam generator is controlled to work normally.
In any of the above embodiments, before the step of controlling the gravity detection device to detect the second current weight of the steam generator, the method further includes: and controlling the heating element of the cooking appliance to dry-burn to a set temperature in a specified time period before the cooking of the cooking appliance is finished, wherein the duration is longer than the set duration.
In the technical scheme, before the gravity detection device is controlled to detect the second current weight of the steam generator, the heating piece is controlled to heat at a set temperature and keep in a dry heating state within a specified time period before the cooking of the cooker is finished, and the dry heating time period is longer than the set time period. When the heating piece reaches the set time length through dry heating at the set temperature, the liquid inside the steam generator can be guaranteed to be completely evaporated, and the gravity detection device is controlled to detect the second current weight of the steam generator, so that the second current weight detected by the gravity detection device is the sum of the weight of the steam generator and the weight of the scale, and the accuracy of whether the scale step exists in subsequent judgment is guaranteed.
In any of the above embodiments, before the step of controlling the operation of the prompting device of the cooking appliance according to the second current weight and the second preset weight of the steam generator, determining a second weight value.
Specifically, the second weight value is determined as follows: the weight of the steam generator is measured when no scale exists in the steam generator and no liquid exists in the steam generator; when the steam generator needs cleaning, the measured weight of the steam generator; calculating the difference between the weight of the steam generator when the cleaning is needed and the weight of the steam generator when no scale exists and no liquid exists, so as to obtain a second weight value; the second weight is then stored for later determination.
A third aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a control method of a cooking appliance as in any of the above-mentioned aspects.
The computer readable storage medium according to the present invention stores a computer program thereon, and when the computer program is executed, the control method of the cooking appliance according to any one of the above-mentioned aspects can be implemented. Therefore, the control method of the cooking appliance has all the beneficial effects.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a cooking appliance according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of a cooking appliance according to an embodiment of the present invention;
fig. 3 is a flowchart of a control method of a cooking appliance according to still another embodiment of the present invention;
fig. 4 is a flowchart of a control method of a cooking appliance according to still another embodiment of the present invention;
Fig. 5 is a flowchart of a control method of a cooking appliance according to still another embodiment of the present invention.
The correspondence between the reference numerals and the component names in fig. 1 is:
100 main body, 102 gravity sensor, 104 steam generator, 106 liquid storage box, 108 fixed position, 110 rope body, 112 knob, 114 controller, 116 steam outlet.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
A cooking appliance, a control method of the cooking appliance, and a computer-readable storage medium provided according to some embodiments of the present invention are described below with reference to fig. 1 to 5.
Embodiment one:
as shown in fig. 1, a second embodiment of the present invention proposes a cooking appliance including: a gravity sensor 102, a steam generator 104, a feed pump and a reservoir 106.
Wherein the steam generator 104 can provide high temperature steam for the cooking chamber to cook food to be cooked; the gravity sensor 102 is connected with the steam generator 104, and the gravity sensor 102 can detect the current weight of the steam generator 104; the controller 114 is coupled to the steam generator 104 and the feed pump.
Specifically, after the controller 114 controls the operation of the liquid inlet pump and supplements liquid to the steam generator 104, the gravity sensor 102 detects the first current weight of the steam generator 104 after the liquid supplementation, and the controller 114 determines the liquid amount inside the steam generator 104 by combining the weight of the steam generator 104 when no liquid is present inside the steam generator 104, so as to obtain the liquid supply condition of the liquid storage box 106 for the steam generator 104, and determines whether the liquid storage box 106 is in liquid. In addition, when no liquid is present inside the steam generator 104, the second current weight of the steam generator 104 is detected by the gravity sensor 102, and the controller 114 determines whether scale is present inside the steam generator 104 in combination with the weight of the steam generator 104 itself.
The cooking appliance provided by the embodiment adopts the runner type steam generator, and the steam generator 104 is directly hung on the gravity sensor 102, the gravity sensor 102 detects the first current weight of the steam generator 104 after liquid supplementing, and the controller 114 can judge the liquid amount in the liquid storage box 106; the second current weight of the steam generator 104 when no liquid is detected by the gravity sensor 102, the controller 114 can judge whether scale exists inside the steam generator 104, so that a user can know the information in time, the liquid amount inside the liquid storage box 106 is ensured to be proper, the inside of the steam generator 104 is ensured to be clean, and the working efficiency of the steam generator 104 is ensured.
That is, the cooking appliance according to the present embodiment can determine whether the liquid in the liquid storage box 106 is sufficient or not by detecting the current weight of the steam generator 104, and determine whether the scale of the steam generator 104 itself needs to be cleaned or not.
Embodiment two:
as shown in fig. 1, a second embodiment of the present invention proposes a cooking appliance including: the main body 100, the gravity sensor 102, the steam generator 104, the feed pump, the liquid storage box 106 and the controller 114.
Wherein, the main body 100 is provided with a cooking chamber, the steam outlet 116 of the steam generator 104 is communicated with the cooking chamber, the steam generator 104 can provide high-temperature steam for the cooking chamber, and cook food to be cooked which is placed in the cooking chamber; the liquid storage box 106 is communicated with the steam generator 104 through a liquid inlet pump, and the controller 114 controls the liquid inlet pump to operate, so that liquid in the liquid storage box 106 can flow to the steam generator 104 under the action of the liquid inlet pump, and further, the liquid is provided for the steam generator 104; the main body 100 is provided with a gravity sensor 102, the steam generator 104 is suspended on the gravity sensor 102, and the gravity sensor 102 can detect the current weight of the steam generator 104.
That is, compared with the first embodiment, the cooking apparatus according to the present embodiment directly hangs the steam generator 104 on the gravity sensor 102, and provides a setting manner different from the related art, and can ensure the detection accuracy of the gravity sensor 102 for the current weight of the steam generator 104.
Specifically, after the liquid inlet pump operates and supplements liquid to the steam generator 104, the gravity sensor 102 detects the first current weight of the steam generator 104 after the liquid supplementation, and the controller 114 determines the amount of liquid in the steam generator 104 by combining the weight of the steam generator 104 when no liquid is in the steam generator 104, so as to obtain the liquid supply condition of the liquid storage box 106 as the steam generator 104, and determines whether the liquid storage box 106 is in liquid. In addition, when no liquid is present inside the steam generator 104, the second current weight of the steam generator 104 is detected by the gravity sensor 102, and the controller 114 determines whether scale is present inside the steam generator 104 in combination with the weight of the steam generator 104 itself.
The cooking appliance provided by the embodiment adopts the runner type steam generator, and the steam generator 104 is directly hung on the gravity sensor 102, the gravity sensor 102 detects the first current weight of the steam generator 104 after liquid supplementing, and the controller 114 can judge the liquid amount in the liquid storage box 106; the second current weight of the steam generator 104 when no liquid is detected by the gravity sensor 102, the controller 114 can judge whether scale exists inside the steam generator 104, so that a user can know the information in time, the liquid amount inside the liquid storage box 106 is ensured to be proper, the inside of the steam generator 104 is ensured to be clean, and the working efficiency of the steam generator 104 is ensured.
In this embodiment, further, as shown in fig. 1, a fixing location 108 is provided on the main body 100 of the cooking appliance, and one end of the gravity sensor 102 is fixedly installed in the fixing location 108, so that the gravity force caused by the gravity sensor 102 and the steam generator 104 is borne by the fixing location 108, and stable installation of the gravity sensor 102 and the steam generator 104 is ensured. In addition, the other end of the gravity sensor 102 is connected with a rope body 110, and the other end of the rope body 110 is suspended with a steam generator 104, so that stable connection between the steam generator 104 and the gravity sensor 102 is ensured.
In particular, the steam generator 104 is directly suspended on the gravity sensor 102 through the rope 110, so that the gravity sensor 102 can accurately detect the weight of the steam generator 104, so as to determine the liquid condition inside the liquid storage box 106 and the scale condition inside the steam generator 104.
In this embodiment, further, as shown in fig. 1, the cooking appliance further includes a knob 112. One end of the knob 112 is rotatably disposed on the main body 100, and the steam generator 104 is fixedly connected with the other end of the knob 112, so that the steam generator 104 is rotatably connected in a vertical direction relative to the main body 100, and connection stability of the steam generator 104 is further ensured, so that the condition that the steam generator 104 shakes or rotates in a horizontal plane due to lack of a positioning device is avoided.
In particular, the knob 112 and the rope 110 are connected to two opposite sides of the upper end surface of the steam generator 104, so that the connection between the steam generator 104 and the knob 112 does not affect the detection of the current weight of the steam generator 104 by the gravity sensor 102, and the accurate detection of the liquid amount inside the steam generator 104 is ensured.
Embodiment III:
as shown in fig. 1, a third embodiment of the present invention proposes a cooking appliance including: the device comprises a main body 100, a gravity sensor 102, a steam generator 104, a liquid inlet pump, a liquid storage box 106, a controller 114, a prompt device and a heating element.
Wherein, the main body 100 is provided with a cooking chamber, the steam outlet 116 of the steam generator 104 is communicated with the cooking chamber, the steam generator 104 can provide high-temperature steam for the cooking chamber, and cook food to be cooked which is placed in the cooking chamber; the liquid storage box 106 is communicated with the steam generator 104 through a liquid inlet pump, and liquid in the liquid storage box 106 can flow to the steam generator 104 under the action of the liquid inlet pump so as to provide liquid for the steam generator 104; the main body 100 is provided with a gravity sensor 102, the steam generator 104 is suspended on the gravity sensor 102, and the gravity sensor 102 can detect the current weight of the steam generator 104.
Specifically, after the liquid inlet pump operates and supplements liquid to the steam generator 104, the gravity sensor 102 detects the first current weight of the steam generator 104 after the liquid supplementation, and the controller 114 determines the amount of liquid in the steam generator 104 by combining the weight of the steam generator 104 when no liquid is in the steam generator 104, so as to obtain the liquid supply condition of the liquid storage box 106 as the steam generator 104, and determines whether the liquid storage box 106 is in liquid. In addition, when no liquid is present inside the steam generator 104, the second current weight of the steam generator 104 is detected by the gravity sensor 102, and the controller 114 determines whether scale is present inside the steam generator 104 in combination with the weight of the steam generator 104 itself.
In addition, the cooking utensil also comprises a heating piece and a prompting device. Wherein the heating element is connected to the controller 114 and is operable to supply heat to the steam generator 104 under the control of the controller 114 such that the liquid stored inside the steam generator 104 boils and generates steam. In addition, the prompting device is connected with the controller 114, when the liquid amount in the liquid storage box 106 is insufficient, the controller 114 controls the prompting device to send out first prompting information so as to prompt a user to timely add liquid into the liquid storage box 106; when scale is accumulated inside the steam generator 104, the controller 114 controls the prompting device to send out second prompting information to prompt a user to clean the scale in time.
In addition, cooking utensil still includes temperature sensor, temperature sensor sets up on the heating piece to can be used to detect the temperature of heating piece, and then make before detecting whether inside the steam generator 104 has the incrustation scale, control the heating piece and dry-burn with the settlement temperature, and last dry-burn longer than the settlement duration, guarantee that the inside liquid of steam generator 104 evaporates completely, in order to guarantee when judging whether the steam generator has the incrustation scale, the weight of not including liquid in the current weight of steam generator 104 that detects guarantees the accurate judgement to whether clear up incrustation scale.
Embodiment four:
a fourth embodiment of the present invention provides a control method for a cooking appliance according to any one of the above embodiments, wherein, as shown in fig. 2, the control method includes:
step 202, controlling a liquid inlet pump to operate and supplementing liquid to a steam generator;
step 204, controlling a gravity detection device to detect a first current weight of the steam generator;
step 206, controlling the prompting device of the cooking utensil to work according to the first current weight and the first preset weight of the steam generator.
According to the control method of the cooking utensil, firstly, the operation of the liquid inlet pump is controlled and the liquid is replenished to the steam generator, specifically, the operation of the liquid inlet pump is controlled for a period of time, so that the liquid inlet pump can pump the liquid stored in the liquid storage box into the steam generator; and then controlling the gravity sensor to detect the first current weight of the steam generator, judging the liquid condition inside the steam generator after liquid supplementing according to the detected first current weight and the first preset weight of the steam generator, determining whether the liquid storage box is provided with enough liquid according to the liquid condition inside the steam generator after liquid supplementing, and controlling the prompting device to work when the liquid in the liquid storage box is insufficient so as to remind a user to add the liquid in time.
According to the control method, the first current weight of the steam generator after liquid supplementing is detected through the gravity sensor, and then the liquid amount in the steam generator is judged by combining the weight of the steam generator when no liquid exists in the steam generator, so that the liquid supply condition of the liquid storage box serving as the steam generator is obtained, whether the liquid in the liquid storage box is judged, a user can know the liquid storage condition in the liquid storage box, and the user can timely add the liquid.
In this embodiment, further, step 204 specifically includes the steps of: calculating a first weight difference between the first current weight and a first preset weight; controlling the prompting device to stop working under the condition that the first weight difference is larger than or equal to the first weight value; controlling the prompting device to start working under the condition that the first weight difference is smaller than the first weight value; wherein the first preset weight is the weight of the steam generator without liquid.
That is, after the first current weight and the first preset weight of the steam generator have been obtained, a first weight difference between the first current weight and the first preset weight is calculated, and the operation of the prompting device of the cooking appliance is controlled according to the first weight difference and the first weight value. Wherein the first preset weight is the weight of the steam generator without liquid, then the first weight difference is the weight of the liquid inside the steam generator at this time.
Specifically, when the first weight difference is greater than or equal to the first weight value, the liquid amount inside the steam generator is sufficient, namely the liquid storage box provides enough liquid for the steam generator, and the liquid storage box is proved to store liquid, so that the prompt device is controlled to stop working. When the first weight difference is smaller than the first weight value, the fact that the liquid amount in the steam generator is insufficient is indicated, namely the liquid storage box does not provide enough liquid for the steam generating device, the fact that the liquid amount in the liquid storage box is insufficient or the liquid does not exist is proved, and at the moment, the control prompt device sends out first prompt information to remind a user of timely adding.
Fifth embodiment:
a fifth embodiment of the present invention provides a control method for a cooking appliance according to any one of the above embodiments, wherein, as shown in fig. 3, the control method includes:
step 302, controlling a gravity detection device to detect a second current weight of the steam generator;
step 304, controlling the prompting device of the cooking utensil to work according to the second current weight and the second preset weight of the steam generator.
According to the control method of the cooking utensil, under the condition that no liquid exists in the steam generator, the gravity detection device is controlled to detect the second current weight of the steam generator, then the scale condition in the steam generator is judged according to the detected second current weight and the second preset weight of the steam generator, and the prompting device of the cooking utensil is controlled to work according to the scale condition in the steam generator so as to prompt a user to timely clean the scale in the steam generator, the scale is prevented from affecting the working efficiency of the steam generator, and meanwhile, the cleaning of the internal environment of the steam generator is guaranteed.
In this embodiment, further, step 304 specifically includes the steps of: calculating a second weight difference between the second current weight and a second preset weight; controlling the prompt device to send prompt information based on the condition that the second weight difference is larger than or equal to the second weight value; controlling the prompting device to stop working under the condition that the second weight difference is smaller than the second weight value; the second preset weight is the weight of the steam generator under the condition of no liquid and no scale, and the second weight value is the preset scale cleaning weight.
That is, under the condition that the second current weight and the second preset weight of the steam generator are known, a second weight difference between the second current weight and the second preset weight is calculated, wherein the second preset weight is the weight of the steam generator under the condition that no liquid and no scale are contained, the second temperature difference is the weight of the scale in the steam generator, and then the operation of the prompting device is controlled according to the second weight difference, the second weight value and the second weight value. Wherein the second weight value is a preset scale cleaning weight.
Specifically, when the second weight difference is greater than or equal to the second weight value, indicating that the scale in the steam generator is more, controlling the prompting device to send prompting information to prompt a user to clean in time; when the second weight difference is smaller than the second weight value, the fact that the scale inside the steam generator is small is indicated, and the prompting device is controlled to stop working and the steam generator is controlled to work normally.
Example six:
a sixth embodiment of the present invention provides a control method for a cooking appliance according to any one of the above embodiments, wherein, as shown in fig. 4, the control method includes:
step 402, controlling the heating element to dry heat to a set temperature in a specified time period before the cooking of the cooker is finished, wherein the duration time is longer than a set duration time;
step 404, controlling a gravity detection device to detect a second current weight of the steam generator;
step 406, controlling the prompting device of the cooking utensil to work according to the second current weight and the second preset weight of the steam generator.
In this embodiment, before the gravity detection device is controlled to detect the second current weight of the steam generator, the heating member is controlled to heat at a set temperature and maintain a dry-heating state for a set period of time before the cooking of the cooker is finished, and the dry-heating period is longer than the set period of time. When the heating piece reaches the set time length through dry heating at the set temperature, the liquid inside the steam generator can be guaranteed to be completely evaporated, and the gravity detection device is controlled to detect the second current weight of the steam generator, so that the second current weight detected by the gravity detection device is the sum of the weight of the steam generator and the weight of the scale, and the accuracy of whether the scale step exists in subsequent judgment is guaranteed.
In addition, since step 406 is the same as step 304 in embodiment five, the discussion will not be repeated.
Embodiment seven:
a seventh embodiment of the present invention provides a control method for a cooking appliance according to any one of the above embodiments, wherein, as shown in fig. 5, the control method includes:
step 502, controlling a liquid inlet pump to operate and supplementing liquid to a steam generator;
step 504, controlling a gravity detection device to detect a first current weight of the steam generator;
step 506, controlling a prompting device of the cooking utensil to work according to the first current weight and the first preset weight of the steam generator;
step 508, controlling the gravity detection device to detect a second current weight of the steam generator;
step 510, controlling the prompting device of the cooking utensil to work according to the second current weight and the second preset weight of the steam generator.
According to the control method of the cooking utensil, firstly, the operation of the liquid inlet pump is controlled and the liquid is replenished to the steam generator, specifically, the operation of the liquid inlet pump is controlled for a period of time, so that the liquid inlet pump can pump the liquid stored in the liquid storage box into the steam generator; and then controlling the gravity sensor to detect the first current weight of the steam generator, judging the liquid condition inside the steam generator after liquid supplementing according to the detected first current weight and the first preset weight of the steam generator, determining whether the liquid storage box is provided with enough liquid according to the liquid condition inside the steam generator after liquid supplementing, and controlling the prompting device to work when the liquid in the liquid storage box is insufficient so as to remind a user to add the liquid in time.
In addition, under the condition that liquid does not exist in the steam generator, the gravity detection device is controlled to detect the second current weight of the steam generator, then the scale condition in the steam generator is judged according to the detected second current weight and the second preset weight of the steam generator, and the prompting device of the cooking appliance is controlled to work according to the scale condition in the steam generator so as to prompt a user to timely clean scale in the steam generator, avoid the scale from affecting the working efficiency of the steam generator, and simultaneously ensure that the environment in the steam generator is clean.
In any of the above embodiments, the cooking appliance includes, but is not limited to, the following: oven, microwave oven, steam box, micro-steaming and baking integrated machine, etc.
In any of the above embodiments, the cooking appliance according to the present invention employs a flow channel type steam generator.
Specific examples:
in the cooking appliance provided by the embodiment, one end of the weight sensor is connected to the steam generator 104 through the rope body 110, the other end of the steam generator is fixed through the knob 112, and the knob 112 can rotate; during the use of the cooking appliance, a weight sensor may be used to detect the weight of the steam generator 104; the weight of the steam generator 104 is previously known and the weight of the steam generator 104 is recorded as A1.
The cooking utensil provided by the invention can detect whether liquid exists in the water storage box or not, and the specific detection process is as follows:
when the feed pump is operated to replenish the steam generator 104, the weight of the steam generator 104 is maintained for a longer period of time T, ensuring that the feed pump can feed liquid from the reservoir 106 into the steam generator 104. In use, if the controller 114 controls the liquid inlet pump to supplement the liquid to the steam generator 104, after the time T, the weight of the steam generator 104 is still A1, which indicates that the interior of the liquid storage box 106 is already empty, otherwise, if the weight of the steam generator 104 becomes B after the liquid supplement, which indicates that the interior of the liquid storage box 106 is still liquid. Where A1 is the weight of the steam generator 104 without liquid and B is the first current weight of the steam generator 104 detected by the gravity detection device.
The cooking utensil provided by the invention can detect whether scale is in the water storage box or not to be cleaned, and the specific detection process is as follows:
when there is no scale inside the steam generator 104 and there is no liquid inside the steam generator 104, the measured weight of the steam generator 104 is A2; when the steam generator 104 needs to carry out cleaning reminding, the measured weight of the steam generator 104 is B, and the difference value between B and A is recorded as C; the user runs the pure steaming function with a running time of D minutes (D greater than 5 minutes); at the last 5 minutes, the cooking appliance enters scale detection logic, the heating element dry heats the steam generator 104 to 160 ℃ (the temperature sensor is arranged on the steam generator 104), and waits for T seconds, after T seconds, the liquid in the steam generator 104 is evaporated completely, at this time, the weight of the steam generator 104 measured by the weight sensor is F, when F-A text> C, the steam generator 104 can be known to be cleaned, and the display device displays Sub>A 'cleaning character' on the interface, so that the user is prompted to clean the steam generator 104. Wherein A2 is the weight of the steam generator 104 without liquid and scale, F is the second current weight of the steam generator 104 detected by the gravity detection device, and C is the preset scale cleaning weight.
The cooking appliance provided by the invention can control the water inflow in the operation process of the steam generator 104, so that the steam generator 104 has a proper water inflow, and the cooking appliance can control the water inflow in the steam generator 104 in real time when the cooking appliance performs a pure steaming function, thereby achieving the optimal steam generator 104 water-steam ratio.
Therefore, the cooking appliance provided by the embodiment uses the weight sensor to detect the liquid amount in the steam generator 104 in real time, so as to achieve the purposes of water shortage reminding, scale reminding and water amount control.
In the description of the present invention, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cooking appliance, comprising:
a steam generator;
a gravity sensor connected to the steam generator;
the outlet of the liquid inlet pump is communicated with the steam generator;
the inlet of the liquid inlet pump is communicated with the liquid storage box;
The controller is connected with the gravity sensor and the liquid inlet pump;
the main body is internally provided with a cooking cavity, and a steam outlet of the steam generator is communicated with the cooking cavity;
the two ends of the rope body are respectively connected with one end of the gravity sensor and the steam generator;
the knob is rotatably arranged on the main body, and the steam generator is connected with the knob;
wherein, the knob and the rope body are connected with two opposite sides of the upper end surface of the steam generator.
2. The cooking appliance of claim 1, wherein the cooking appliance further comprises a handle,
the gravity sensor is arranged on the main body, and the steam generator is hung on the gravity sensor.
3. The cooking appliance of claim 2, further comprising:
the fixed position is arranged on the main body, and the other end of the gravity sensor is connected with the fixed position.
4. A cooking appliance according to claim 2 or 3, further comprising
The prompting device is arranged on the main body and is connected with the controller;
and the heating piece is connected with the controller and can supply heat for the steam generator.
5. A control method of a cooking appliance according to any one of claims 1 to 4, wherein the control method comprises:
controlling the operation of the liquid inlet pump and supplementing liquid to the steam generator;
controlling the gravity sensor to detect a first current weight of the steam generator;
and controlling the prompt device of the cooking utensil to work according to the first current weight and the first preset weight of the steam generator.
6. The method according to claim 5, wherein the step of controlling the operation of the prompting device of the cooking appliance according to the first current weight and the first preset weight of the steam generator comprises:
calculating a first weight difference between the first current weight and the first preset weight;
controlling the prompting device to stop working under the condition that the first weight difference is larger than or equal to a first weight value;
controlling the prompting device to send out first prompting information based on the condition that the first weight difference is smaller than a first weight value;
wherein the first preset weight is the weight of the steam generator without liquid.
7. The control method of a cooking appliance according to claim 5 or 6, characterized in that the control method further comprises:
controlling the gravity sensor to detect a second current weight of the steam generator based on the absence of liquid inside the steam generator;
and controlling the prompting device of the cooking utensil to work according to the second current weight and the second preset weight of the steam generator.
8. The method of claim 7, wherein the step of controlling the operation of the prompting device of the cooking appliance according to the second current weight and the second preset weight of the steam generator comprises:
calculating a second weight difference between the second current weight and the second preset weight;
controlling the prompting device to send out second prompting information based on the condition that the second weight difference is larger than or equal to a second weight value;
controlling the prompting device to stop working based on the condition that the second weight difference is smaller than a second weight value;
wherein the second preset weight is the weight of the steam generator without liquid and scale, and the second weight value is the preset scale cleaning weight.
9. The method of controlling a cooking appliance according to claim 7, wherein the step of controlling the gravity sensor to detect the second current weight of the steam generator further comprises:
and controlling the heating piece of the cooking appliance to dry-burn to a set temperature in a designated time period before the cooking of the cooking appliance is finished, wherein the duration is longer than the set duration.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, implements the control method of a cooking appliance according to any one of claims 5 to 9.
CN202010564659.5A 2020-06-19 2020-06-19 Cooking appliance, control method, and computer-readable storage medium Active CN111830865B (en)

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