CN111637497A - Gas stove fire adjusting method and adjusting system - Google Patents
Gas stove fire adjusting method and adjusting system Download PDFInfo
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- CN111637497A CN111637497A CN202010448293.5A CN202010448293A CN111637497A CN 111637497 A CN111637497 A CN 111637497A CN 202010448293 A CN202010448293 A CN 202010448293A CN 111637497 A CN111637497 A CN 111637497A
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- gas stove
- surface temperature
- temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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Abstract
The invention discloses a method and a system for adjusting firepower of a gas stove, wherein the adjusting method comprises the steps of starting the gas stove; collecting the surface temperature of the cookware, and calculating the change rate of the surface temperature in each detection period; calculating the difference value of the change rates in two adjacent detection periods; counting the number of surface temperatures with the same value in the detection period; when the state of the soup in the cooker is judged to be a boiling state, the real-time firepower of the gas stove is reduced. According to the technical scheme, the change rate of the surface temperature in each detection period is calculated by collecting the surface temperature of the cookware in the heating process, whether the soup in the cookware is in the boiling state or not is judged by utilizing the difference value of the change rates of two adjacent detection periods and the quantity of the surface temperatures with the same numerical value in the detection periods, and the real-time firepower of the gas stove is reduced when the soup in the cookware is in the boiling state according to the judgment result.
Description
Technical Field
The invention relates to the technical field of gas cookers, in particular to a method for adjusting firepower of a gas cooker and an adjusting system for realizing the method.
Background
When people use the gas stove, the gas is required to be consumed, and the gas supply quantity of the gas stove is controlled by controlling a fire adjusting knob on the gas stove so as to control the fire power of the gas stove.
When people use a gas stove to cook soup in daily life, the boiling speed of the soup is different due to the difference of the amount of the soup and the material of a pot in the process of heating the soup. The user will in time turn down the firepower after the hot water boiling, otherwise can appear the hot water and spill over the evaporation easily, destroys the nutrition of hot water, causes the extravagant scheduling problem of gas loss, consequently people need arrange the personnel to stay on the spot when a kind of deep pot hot water, in time adjusts the firepower when the hot water boiling.
In order to solve the above technical problems, a gas stove based on intelligent control is provided in the prior art, whether soup is boiled or not is judged by collecting the temperature of a pot or the change rate of the temperature in the soup cooking process, so as to control the firepower, and although the change rate of the temperature of the pot is used as a basis for judging whether the soup is boiled or not, the judgment accuracy is still poor.
Disclosure of Invention
The invention aims to provide a method for adjusting firepower of a gas stove and an adjusting system for realizing the method, so as to solve one or more technical problems in the prior art and provide at least one beneficial choice or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
a method for adjusting the firepower of a gas stove comprises the following steps:
step 400, setting a critical quantity, counting the quantity of the surface temperatures with the same value in a plurality of detection periods, obtaining the surface temperature with the same value and the quantity N thereof with the largest quantity, and comparing the N with the critical quantity;
and 500, judging the state of the soup in the cooker according to the two comparison results, and reducing the real-time fire power of the gas stove when the state of the soup in the cooker is judged to be a boiling state.
As a further improvement of the above technical solution, in step 400, the number of the surface temperatures with the same value in two adjacent detection periods is counted, the surface temperature with the same value and the number N thereof with the largest number are obtained, and N is compared with the critical number.
As a further improvement of the above technical solution, step 100 in the technical solution further includes:
step A, setting a starting reference temperature, collecting an initial value of the surface temperature of the cooker, comparing the initial value of the surface temperature with the starting reference temperature, controlling the gas stove to stop heating if the initial value of the surface temperature is greater than the starting reference temperature, and outputting a false alarm signal.
As a further improvement of the technical scheme, the surface temperature of the cookware is collected by the thermistor, and the resistance value of the thermistor is used for representing the surface temperature of the cookware.
As a further improvement of the above technical solution, in the technical solution, when the state of the soup in the pot is in a boiling state, the surface temperature with the largest quantity and the same value in a plurality of detection periods is defined as a reference temperature;
this technical scheme still includes:
and step 600, continuously acquiring the surface temperature of the cookware, comparing the surface temperature with the reference temperature, and adjusting the real-time firepower of the gas stove.
As a further improvement of the above technical solution, in the technical solution, when the state of the soup in the pot is brought into a boiling state, the reduced real-time fire power is defined as a reference fire power;
step 600 in the present technical solution includes the following steps:
step 610, setting a plurality of temperature ranges by taking the reference temperature as a center, and setting a plurality of gear firepower by taking the reference firepower as a center, wherein each temperature range corresponds to each gear firepower one by one;
and step 620, collecting the surface temperature of the cookware, judging the temperature range to which the surface temperature belongs, and controlling the real-time firepower of the gas stove according to the corresponding gear firepower.
As a further improvement of the above technical solution, the technical solution further includes:
step 700, after the state of soup in the pot is in a boiling state, judging whether to start timing heating or not, and if so, automatically controlling the gas stove to stop heating after the timing heating is finished.
The invention also discloses a gas stove fire adjusting system, which comprises a gas stove body, wherein the gas stove body is provided with a switch valve for adjusting fire, a temperature sensor for detecting the surface temperature of a cooker and a controller, and the controller is respectively connected with the switch valve and the temperature sensor; the controller is configured to execute the gas range fire power adjustment method described above.
The invention has the beneficial effects that: according to the technical scheme, the change rate of the surface temperature in each detection period is calculated by collecting the surface temperature of the cookware in the heating process, whether the soup in the cookware is in the boiling state or not is judged by utilizing the difference value of the change rates of two adjacent detection periods and the quantity of the surface temperatures with the same numerical value in the detection periods, and the real-time firepower of the gas stove is reduced when the soup in the cookware is in the boiling state according to the judgment result.
Drawings
The invention is further described with reference to the accompanying drawings and examples;
FIG. 1 is a schematic flow chart of a method for adjusting the fire of a gas range according to the present invention;
fig. 2 is a schematic structural view of a fire adjusting system of a gas range of the present invention.
Description of reference numerals:
100. the gas stove comprises a gas stove body 200, a temperature sensor 300 and a switch valve.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, the present application discloses a method for adjusting fire power of a gas stove, wherein a first embodiment of the method comprises the following steps:
in this embodiment, after the gas range is started, the gas range is preferentially controlled to heat the cookware with maximum firepower.
in this embodiment, each 15 seconds is set as one detection cycle, the surface temperature data of 15 pots is collected in each detection cycle, and the change rate in each detection cycle is obtained by a quotient of the difference between the surface temperature at the initial stage and the surface temperature at the final stage of the detection cycle and time.
this embodiment is according to adjacent two in the detection cycle the difference of rate of change judges the heating in-process pan the change amplitude of surface temperature, if adjacent two in the detection cycle the difference of rate of change is great, proves that hot water distance in the pan still needs longer time to reach the boiling state, on the contrary, if adjacent two in the detection cycle the difference of rate of change is less, proves that hot water in the pan is about to reach the boiling state.
Step 400, setting a critical quantity, counting the quantity of the surface temperatures with the same value in a plurality of detection periods, obtaining the surface temperature with the same value and the quantity N thereof with the largest quantity, and comparing the N with the critical quantity;
in this embodiment, in addition to using the difference between the change rates in two adjacent detection periods as a basis for determining the state of the soup in the pot, the determination needs to be performed according to the number N of the surface temperatures with the same value and the largest number in the plurality of detection periods.
It should be noted that, if the difference between the change rates in the two adjacent detection periods in step 300 is large, it can be proved that the soup in the pot does not reach the boiling state, and at this time, step 400 is not required to be executed, and only when the difference between the change rates in the two adjacent detection periods is smaller than the critical threshold, the difference between the change rates in the two adjacent detection periods and a plurality of the same values with the largest number in the detection periods are combined together to determine the state of the soup in the pot.
And 500, judging the state of the soup in the cooker according to the two comparison results, and reducing the real-time fire power of the gas stove when the state of the soup in the cooker is judged to be a boiling state.
Specifically, in step 400 of this embodiment, the surface temperature and the number N thereof with the same value are obtained in the largest number in a plurality of detection periods, and when the number N is greater than the critical number and the difference between the change rates in two adjacent detection periods in step 300 is smaller than the critical threshold, it can be determined that the state of the soup in the pot is the boiling state, and at this time, the real-time fire power of the gas stove is reduced. Because the embodiment simultaneously utilizes the two parameters as the basis for judging whether the state of the soup in the pot is the boiling state, the identification accuracy of the embodiment is high compared with the prior art.
In step 500, when the soup in the pot is boiling, the real-time fire power of the gas stove is controlled to be half of the maximum fire power.
Further as a preferred implementation manner, in step 400 in this embodiment, the number of the surface temperatures with the same value in two adjacent detection periods is counted, the surface temperature with the largest number and the number N thereof with the same value are obtained, and N is compared with the critical number. In the embodiment, the quantity of the surface temperature with the same value in two adjacent detection periods is used as a judgment basis to reflect the change trend of the surface temperature, so that the identification accuracy of the embodiment can be further improved.
As a further preferable implementation manner, step 100 in this embodiment further includes step a before, setting a start reference temperature, acquiring an initial value of the surface temperature of the cookware, comparing the initial value of the surface temperature with the start reference temperature, and if the initial value of the surface temperature is greater than the start reference temperature, controlling the gas stove to stop heating, and outputting an error alarm signal.
In this embodiment, if the initial value of the surface temperature is higher than the start reference temperature, it is proved that the surface temperature of the pot is higher and is not suitable for starting to heat and cook soup.
Further, as a preferred embodiment, in this embodiment, a thermistor is specifically used to collect the surface temperature of the pot, and the resistance value of the thermistor is used to characterize the surface temperature of the pot, and in this embodiment, a negative temperature coefficient thermistor is specifically used to detect the surface temperature of the pot.
Further, as a preferred implementation manner, in this embodiment, when the state of the soup in the pot is in the boiling state, the surface temperature with the largest quantity and the same value in a plurality of detection periods is defined as a reference temperature;
the embodiment further comprises step 600 of continuously collecting the surface temperature of the cookware, comparing the surface temperature with the reference temperature, and adjusting the real-time fire power of the gas stove.
In this embodiment, after step 500, the surface temperature of the pot needs to be continuously collected to control the real-time fire power of the gas stove, so as to prevent dry burning.
More specifically, in the present embodiment, when the state of soup in the pot enters the boiling state, the reduced real-time fire power is defined as the reference fire power; step 600 of this embodiment specifically includes the following steps:
step 610, setting a plurality of temperature ranges by taking the reference temperature as a center, setting a plurality of gear firepower by taking the reference firepower as a center, and enabling each temperature range to correspond to each gear firepower one by one, wherein the larger the central value of each temperature range is, the smaller the corresponding gear firepower is;
and step 620, collecting the surface temperature of the cookware, judging the temperature range to which the surface temperature belongs, and controlling the real-time firepower of the gas stove according to the corresponding gear firepower.
In this embodiment, when the surface temperature of the pot is higher than the reference temperature, the real-time fire power of the gas stove needs to be controlled to be lower, and conversely, the real-time fire power of the gas stove needs to be controlled to be higher when the surface temperature is lower.
Further as a preferred embodiment, the embodiment further includes step 700, after the state of the soup in the pot enters the boiling state, determining whether to start the timing heating, and if so, automatically controlling the gas stove to stop heating after the timing heating is completed.
Referring to fig. 2, the present application also discloses a gas stove fire adjusting system, which includes a gas stove body 100, wherein the gas stove body 100 is provided with a switch valve 300 for adjusting fire, a temperature sensor 200 for detecting a surface temperature of a cooker, and a controller, and the controller is respectively connected with the switch valve 300 and the temperature sensor 200; the controller is configured to execute the first embodiment of the gas range fire power adjustment method described above.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (8)
1. A method for adjusting the firepower of a gas stove is characterized in that: the method comprises the following steps:
starting a gas stove to heat a cooker;
setting detection periods, collecting the surface temperature of the cookware, drawing a temperature change curve according to the surface temperature, and calculating the change rate of the surface temperature in each detection period according to the temperature change curve;
setting a critical threshold, calculating the difference value of the change rates in two adjacent detection periods, and comparing the difference value with the critical threshold;
setting a critical quantity, counting the quantity of the surface temperatures with the same value in a plurality of detection periods, acquiring the surface temperature with the maximum quantity and the quantity N thereof with the same value, and comparing the N with the critical quantity;
and judging the state of the soup in the cooker according to the two comparison results, and reducing the real-time firepower of the gas stove when the state of the soup in the cooker is judged to be a boiling state.
2. The method for adjusting the fire power of a gas stove according to claim 1, wherein: counting the number of the surface temperatures with the same value in two adjacent detection periods, acquiring the surface temperature with the largest number and the number N thereof with the same value, and comparing the N with the critical number.
3. The method for adjusting the fire power of a gas stove according to claim 1, wherein: before the gas stove is started to heat a cooker, the method for adjusting the firepower of the gas stove further comprises the following steps:
setting a starting reference temperature, collecting an initial value of the surface temperature of the cooker, comparing the initial value of the surface temperature with the starting reference temperature, and if the initial value of the surface temperature is greater than the starting reference temperature, controlling the gas stove to stop heating and outputting a false alarm signal.
4. The method for adjusting the fire power of a gas stove according to claim 1, wherein: the surface temperature of the cookware is collected by the thermistor, and the resistance value of the thermistor is used for representing the surface temperature of the cookware.
5. The method for adjusting the fire power of a gas stove according to claim 1, wherein: the gas stove fire adjusting method further comprises the following steps:
when the state of soup in the pot is in a boiling state, defining the surface temperature with the largest quantity and the same numerical value in a plurality of detection periods as a reference temperature;
and continuously collecting the surface temperature of the cookware, comparing the surface temperature with the reference temperature, and adjusting the real-time firepower of the gas stove.
6. The method for adjusting the fire power of a gas stove according to claim 5, wherein: the adjusting of the real-time fire of the gas stove comprises the following steps:
when the state of soup in the pot is in a boiling state, defining the reduced real-time fire power as reference fire power;
setting a plurality of temperature ranges by taking the reference temperature as a center, setting a plurality of gear firepower by taking the reference firepower as a center, and enabling each temperature range to correspond to each gear firepower one by one;
the surface temperature of the cookware is collected, the temperature range to which the surface temperature belongs is judged, and the real-time firepower of the gas stove is controlled according to the corresponding gear firepower.
7. The method for adjusting the fire power of a gas stove according to claim 1, wherein: the gas stove fire adjusting method further comprises the following steps:
after the state of soup in the cooker enters a boiling state, whether the timing heating is started or not is judged, and if so, the gas stove is automatically controlled to stop heating after the timing heating is finished.
8. The utility model provides a gas-cooker firepower governing system which characterized in that: the gas stove comprises a gas stove body, wherein a switch valve for adjusting firepower, a temperature sensor for detecting the surface temperature of a cooker and a controller are arranged on the gas stove body, and the controller is respectively connected with the switch valve and the temperature sensor; the controller is configured to execute the gas range fire adjustment method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010448293.5A CN111637497A (en) | 2020-05-25 | 2020-05-25 | Gas stove fire adjusting method and adjusting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010448293.5A CN111637497A (en) | 2020-05-25 | 2020-05-25 | Gas stove fire adjusting method and adjusting system |
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| CN111637497A true CN111637497A (en) | 2020-09-08 |
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| CN202010448293.5A Pending CN111637497A (en) | 2020-05-25 | 2020-05-25 | Gas stove fire adjusting method and adjusting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112056591A (en) * | 2020-09-15 | 2020-12-11 | 杭州电子科技大学 | Method for smoothly and controllably heating rate of coffee beans and automatically identifying roasting state |
| CN113189134A (en) * | 2021-04-30 | 2021-07-30 | 广东纯米电器科技有限公司 | Boiling judging method, system, machine readable storage medium and processor |
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| GB0523267D0 (en) * | 2005-11-15 | 2005-12-21 | Crastal Technology Shenzhen Co | Boiling water estimation methods and apparatus |
| CN1865957A (en) * | 2006-05-23 | 2006-11-22 | 广东天际电器有限公司 | Detection method for boiling state of food in cooking pot and detection device therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112056591A (en) * | 2020-09-15 | 2020-12-11 | 杭州电子科技大学 | Method for smoothly and controllably heating rate of coffee beans and automatically identifying roasting state |
| CN112056591B (en) * | 2020-09-15 | 2022-03-01 | 杭州电子科技大学 | Method for smoothly and controllably heating rate of coffee beans and automatically identifying roasting state |
| CN113189134A (en) * | 2021-04-30 | 2021-07-30 | 广东纯米电器科技有限公司 | Boiling judging method, system, machine readable storage medium and processor |
| CN113189134B (en) * | 2021-04-30 | 2023-07-14 | 广东纯米电器科技有限公司 | Boiling judging method, system, machine-readable storage medium and processor |
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