CN112484087A - Cold state identification method of kitchen range and kitchen range thereof - Google Patents
Cold state identification method of kitchen range and kitchen range thereof Download PDFInfo
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- CN112484087A CN112484087A CN202011088257.9A CN202011088257A CN112484087A CN 112484087 A CN112484087 A CN 112484087A CN 202011088257 A CN202011088257 A CN 202011088257A CN 112484087 A CN112484087 A CN 112484087A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010411 cooking Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 abstract description 7
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- 238000012986 modification Methods 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
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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 cold state identification method of a cooker and the cooker, wherein the cold state identification method comprises the following steps of S1: igniting the stove for operation; s2: acquiring and storing a current temperature value Ti; s3: judging whether the current temperature value Ti is less than or equal to a cold state temperature threshold value, if so, preliminarily judging that the cooker is in a cold state and entering the next step, otherwise, returning to the step S2; s4: calculating the temperature difference between the current temperature value Ti and the last stored current temperature value Ti-1, and simultaneously starting to record the duration time of the cold state; s5: the magnitude relation of the temperature difference to the reference value is judged, and whether to clear the timing is determined based on the judgment result and returns to step S2. The invention can preliminarily judge whether the stove is in a cold state or not and whether the stove is flamed out or not according to the change condition of the temperature of the bottom of the pot, thereby effectively solving the problem of misjudgment caused by impact or pot moving of cold-state substances.
Description
Technical Field
The invention relates to the technical field of cooking utensils, in particular to a cold state identification technology of a cooking utensil.
Background
In the cooking process of the household gas cooker, when the furnace end is accidentally flamed out or the dry combustion protection is flamed out, the control system generally needs to monitor whether the temperature of the bottom of the cooker is reduced to a cold state or not so as to prepare for cooking the food material at the next time.
At present, the conventional cold state judgment method usually takes whether the temperature of the bottom of a pot is lower than a certain fixed low temperature value as a judgment basis. However, when cold substances are impacted (such as water is added) or the pan is moved, misjudgment is easy to occur, and the stove is shut down passively, so that users can question products.
Disclosure of Invention
The invention aims to solve one of the problems in the prior related art at least to a certain extent, and therefore the invention provides a cold state identification method of a stove, which can preliminarily judge whether the stove is in a cold state or not and whether the stove is flamed out or not, and effectively solves the problem of misjudgment caused by impact or pan moving of cold state substances.
The invention also provides a cooker with the cold state identification method.
According to the cold state identification method of the kitchen range, the cold state identification method is realized through the following technical scheme:
a cold state identification method of a cooker comprises the following steps:
s1: igniting the stove for operation;
s2: acquiring and storing a current temperature value Ti;
s3: judging whether the current temperature value Ti is less than or equal to a cold state temperature threshold value, if so, preliminarily judging that the cooker is in a cold state and entering the next step, otherwise, returning to the step S2;
s4: calculating the temperature difference between the current temperature value Ti and the last stored current temperature value Ti-1, and simultaneously starting to record the duration time of the cold state;
s5: the magnitude relation of the temperature difference to the reference value is judged, and whether to clear the timing is determined based on the judgment result and returns to step S2.
In some embodiments, if the temperature difference is greater than or equal to the reference value, the timing is cleared and returned to step S2; and if the temperature difference is smaller than the reference value, preliminarily judging that the cooker is flameout.
In some embodiments, after the preliminary determination that the cooktop has extinguished, the method further includes step S6: judging whether the duration time of the cold state is greater than or equal to a time threshold value, if so, further determining that the cooker is flameout and in the cold state, resetting the timing and turning off the power supply of the cooker; otherwise, the process proceeds to step S6 or returns to step S2.
In some embodiments, the reference value is 1 to 3 ℃.
In some embodiments, the obtaining and storing a current temperature value Ti specifically includes:
s21: acquiring a temperature data set; s22: and calculating and storing an average temperature value according to the acquired temperature data set, and taking the latest stored average temperature value as the current temperature value Ti.
In some embodiments, the acquiring of the temperature data set is performed by acquiring the temperature data value once every preset time, and acquiring the temperature data set N times.
In some embodiments, in step S22, the average temperature value is any one of a mean, a median, and a mode.
According to the cooking utensils that provide above-mentioned, it realizes through following technical scheme:
a stove comprises a burner body, an ignition module, a temperature detection module, a gas control valve, a power supply module and a control module, wherein the control module is respectively and electrically connected with the ignition module, the temperature detection module, the gas control valve and the power supply module; and the method is also used for preliminarily judging whether the cooker is in a cold state or not according to the magnitude relation between the current temperature value Ti and the cold state temperature threshold value.
In some embodiments, the range further comprises a timing module electrically connected with the control module, and after the range is preliminarily determined to be in a cold state, the control module is configured to calculate a temperature difference between the current temperature value Ti and a last stored current temperature value Ti-1, and simultaneously control the timing module to start recording the duration of the cold state.
In some embodiments, the control module is further configured to determine a magnitude relationship between the temperature difference and a reference value, and determine whether to clear the cold state duration recorded by the timing module based on the determination result.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the invention can preliminarily judge whether the cooker is in a cold state or not and whether the cooker is flamed out or not according to the change condition of the temperature of the bottom of the pot, effectively solves the problem of misjudgment caused by impact or pot moving of cold-state substances, and improves the judgment accuracy and reliability.
Drawings
FIG. 1 is a connection block diagram of a cooking appliance in embodiment 1 of the present invention;
FIG. 2 is a flow chart of a cold state identification method of a cooking appliance in embodiment 1 of the invention;
FIG. 3 is a sub-flowchart of step S2 of FIG. 2;
fig. 4 is a flowchart of a cold state identification method for a cooker in embodiment 2 of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
Example 1
Referring to fig. 1, the present embodiment provides a cooker, which includes a burner body 1, an ignition module 2, a temperature detection module 3, a gas control valve 4, a power supply module 5, and a control module 6, wherein the burner body 1 at least includes a burner, and the ignition module 2 for ignition and the temperature detection module 3 for detecting the temperature of a pot bottom are disposed on the burner body 1. The gas control valve 4 is respectively connected with an external gas source and the burner body 1 and is used for controlling the on-off of gas and the firepower of the stove. The control module 6 is respectively and electrically connected with the ignition module 2, the temperature detection module 3, the gas control valve 4 and the power supply module 5, and the power supply module 5 is used for providing power for relevant modules of the cooker. Preferably, the control module 6 is configured to obtain the temperature data set through the temperature detection module 3, calculate and store an average temperature value according to the obtained temperature data set, and use the latest stored average temperature value as the current temperature value Ti; and the method is also used for preliminarily judging whether the cooker is in a cold state or not according to the magnitude relation between the current temperature value Ti and the cold state temperature threshold value. Therefore, the cooker of the embodiment can preliminarily judge whether the cooker is in a cold state or not according to the magnitude relation between the current temperature value Ti and the cold state temperature threshold value.
Further, the control device further comprises a timing module 7 electrically connected with the control module 6, after the control module 6 preliminarily judges that the cooker is in a cold state, the control module 6 is further used for calculating the temperature difference between the current temperature value Ti and the last stored current temperature value Ti-1, and simultaneously controlling the timing module 7 to start recording the duration time of the cold state so as to provide judgment data for preliminarily judging that the cooker is flameout.
Preferably, the control module 6 of this embodiment is further configured to determine a magnitude relationship between the temperature difference and a reference value, and determine whether to clear the cold state duration recorded by the timing module 7 based on a determination result, where in this embodiment, the reference value is 1 to 3 ℃. Therefore, when the cold state duration recorded by the timing module 7 is determined to be zero based on the judgment result, the stove is not flamed out and still in a combustion state, and the current temperature value Ti is smaller than or equal to the cold state temperature threshold value, which is caused by the fact that the pot has cold state substance impact (such as water adding) or is moved, and the reason is an interference factor; when it is determined that the cold state duration recorded by the timing module 7 is not cleared based on the determination result, it may be preliminarily determined that the cooker has been turned off. It can be seen that the cooking utensils of this embodiment, it can be according to the situation of change of pot bottom temperature, whether preliminary judgement cooking utensils have stalled, has effectively solved the problem that causes the erroneous judgement because of cold state material strikes or moves the pot, improves and judges accuracy and reliability.
Referring to fig. 2, the present embodiment further provides a cold state identification method for a kitchen range, where the cold state identification method includes the following steps:
s1: igniting the stove for operation;
specifically, when the stove receives an ignition signal, the control module 6 controls the ignition module 2 to discharge electricity and then controls the gas control valve 4 to open, so that the stove is ignited successfully. And when the stove is ignited successfully, the stove is executed according to a normal cooking program.
S2: acquiring and storing a current temperature value Ti;
s3: judging whether the current temperature value Ti is less than or equal to a cold state temperature threshold value, if so, preliminarily judging that the cooker is in a cold state and entering the next step, otherwise, returning to the step S2;
specifically, the cold temperature threshold is a critical temperature point at which the temperature of the burner body 1 is switched from the hot state to the cold state, and the cold temperature threshold is equal to 50 ℃ in this embodiment. The control module 6 judges whether the current temperature value Ti is less than or equal to the cold state temperature threshold value, if the control module 6 judges that the current temperature value Ti is less than or equal to the cold state temperature threshold value, the temperature of the bottom of the pot is suddenly reduced due to the fact that the pot has cold state substance impact (such as water adding) or the pot is moved, at the moment, the cooker can be primarily judged to be in the cold state, and the step S4 is carried out; if the control module 6 determines that the current temperature value Ti is greater than the cold temperature threshold, the process returns to step S2, and the next group of obtaining and storing the current temperature value Ti is executed.
S4: calculating the temperature difference between the current temperature value Ti and the last stored current temperature value Ti-1, and simultaneously starting to record the duration time of the cold state;
specifically, the current temperature value Ti and the current temperature value Ti-1 are two sets of temperature values stored before and after the control module 6. After the current temperature value Ti is determined to be less than or equal to the cold state temperature threshold value, namely the stove is preliminarily determined to be in the cold state, the control module 6 starts to calculate the temperature difference between the current temperature value Ti and the last stored current temperature value Ti-1, and simultaneously controls the timing module 7 to start to record the cold state duration of the burner body 1.
S5: the magnitude relation of the temperature difference to the reference value is judged, and whether to clear the timing is determined based on the judgment result and returns to step S2.
Specifically, the reference value is 1-3 ℃. According to the temperature difference calculated in the step S4, the control module 6 determines the magnitude relationship between the temperature difference and the reference value, and if the temperature difference is greater than or equal to the reference value, it indicates that the pan bottom temperature detected by the temperature detection module 3 still has a trend toward rising, which means that the cooking appliance is not flamed out, and still is in an ignition combustion working state, at this time, the timing is cleared and returned to the step S2, and the next group of the acquisition and storage of the current temperature value Ti is performed; if the temperature difference is smaller than the reference value, the temperature of the pot bottom basically has no rising trend at the moment, and the stove can be preliminarily judged to be flameout.
Therefore, the cold state identification method for the kitchen range can preliminarily judge whether the kitchen range is in a cold state or not and whether the kitchen range is flamed out or not according to the change condition of the temperature of the bottom of the pot, effectively solves the problem of misjudgment caused by impact of cold state substances or pot moving, and improves the judgment accuracy and reliability.
Referring to fig. 3, preferably, in step S2, the acquiring and storing a current temperature value Ti specifically includes:
s21: acquiring a temperature data set;
specifically, the temperature data acquisition module 3 acquires the temperature data value once every preset time interval, and acquires N temperature data values for N times in total, where the N temperature data values constitute the temperature data set.
S22: and calculating and storing an average temperature value according to the acquired temperature data set, and taking the latest stored average temperature value as the current temperature value Ti.
Specifically, according to the acquired temperature data set, the control module 6 calculates an average temperature value of the acquired temperature data set, and stores the calculated average temperature value as the current temperature value Ti. When the control module 6 obtains the average temperature value of the next group, the average temperature value of the next group is updated to the current temperature value Ti, and so on. More specifically, the average temperature value is any one of the mean value, the median and the mode, and the present embodiment takes the average temperature value as the mean value as an example, so as to simplify the calculation method and improve the calculation speed and the reaction sensitivity.
Therefore, the N temperature data values form a temperature data group, and the average temperature value is obtained by calculating the obtained temperature data group, so that disturbance factors can be effectively filtered, and the accuracy of the result is improved.
Example 2
Referring to fig. 4, the present embodiment is different from embodiment 1 in that, after the preliminary determination that the cooktop has been turned off, the cold state identification method further includes step S6. Specifically, the step S6: judging whether the cold state duration time is greater than or equal to a time threshold value, if so, further determining that the stove is flamed out and is in a cold state, resetting the cold state duration time recorded by the timing module 7, and cutting off the power supply module 5 to supply power to the relevant modules so as to realize the turning off of the power supply of the stove, wherein at the moment, the temperature detection module 3 does not detect the temperature any more, and the stove enters a waiting next awakening state; otherwise, the process proceeds to step S6 or returns to step S2. Preferably, the time threshold of this embodiment is 5 minutes, and the other parts are the same as those of embodiment 1.
It can be seen that after the cooking utensil is preliminarily judged to be flamed out, the cooking utensil is further determined to be flamed out and in a cold state according to the size relation between the cold state duration and the time threshold, and the accuracy and the reliability of cold state identification of the cooking utensil are higher through multiple judgment steps.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A cold state identification method of a cooker is characterized by comprising the following steps:
s1: igniting the stove for operation;
s2: acquiring and storing a current temperature value Ti;
s3: judging whether the current temperature value Ti is less than or equal to a cold state temperature threshold value, if so, preliminarily judging that the cooker is in a cold state and entering the next step, otherwise, returning to the step S2;
s4: calculating the temperature difference between the current temperature value Ti and the last stored current temperature value Ti-1, and simultaneously starting to record the duration time of the cold state;
s5: the magnitude relation of the temperature difference to the reference value is judged, and whether to clear the timing is determined based on the judgment result and returns to step S2.
2. The cold state identification method for the cooking appliance according to claim 1, wherein if the temperature difference is greater than or equal to the reference value, the timing is cleared and the step S2 is returned; and if the temperature difference is smaller than the reference value, preliminarily judging that the cooker is flameout.
3. A cold state identification method for a cooking appliance according to claim 2, further comprising step S6 after said preliminary determination that the cooking appliance has extinguished: judging whether the duration time of the cold state is greater than or equal to a time threshold value, if so, further determining that the cooker is flameout and in the cold state, resetting the timing and turning off the power supply of the cooker; otherwise, the process proceeds to step S6 or returns to step S2.
4. A cold state identification method of a cooking appliance according to claim 1 or 2, characterized in that the reference value is 1-3 ℃.
5. The cold state identification method for the kitchen range according to claim 1, wherein the obtaining and storing of the current temperature value Ti specifically comprises:
s21: acquiring a temperature data set;
s22: and calculating and storing an average temperature value according to the acquired temperature data set, and taking the latest stored average temperature value as the current temperature value Ti.
6. The cold state identification method for the cooking appliance according to claim 5, wherein the temperature data set is acquired by acquiring the temperature data value once every preset time and acquiring the temperature data set N times.
7. The cold state identification method for the kitchen range according to claim 5, wherein in step S22, the average temperature value is any one of a mean value, a median value and a mode value.
8. A stove comprises a burner body (1), an ignition module (2), a temperature detection module (3), a gas control valve (4), a power supply module (5) and a control module (6), wherein the control module (6) is respectively and electrically connected with the ignition module (2), the temperature detection module (3), the gas control valve (4) and the power supply module (5), and is characterized in that the control module (6) is used for calculating and storing an average temperature value according to a temperature data set acquired by the temperature detection module (3) and taking the latest stored average temperature value as a current temperature value Ti; and the method is also used for preliminarily judging whether the cooker is in a cold state or not according to the magnitude relation between the current temperature value Ti and the cold state temperature threshold value.
9. The cooking appliance according to claim 8, further comprising a timing module (7) electrically connected to the control module (6), wherein after the cooking appliance is preliminarily determined to be in a cold state, the control module (6) is configured to calculate a temperature difference between the current temperature value Ti and the last stored current temperature value Ti-1, and control the timing module (7) to start recording the duration of the cold state.
10. The cooking appliance according to claim 9, wherein the control module (6) is further configured to determine a magnitude relationship between the temperature difference and a reference value, and determine whether to clear the cold state duration recorded by the timing module (7) based on the determination result.
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| CN202011088257.9A CN112484087B (en) | 2020-10-13 | 2020-10-13 | Cold state identification method of kitchen range and kitchen range thereof |
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| CN202011088257.9A CN112484087B (en) | 2020-10-13 | 2020-10-13 | Cold state identification method of kitchen range and kitchen range thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114704865A (en) * | 2022-03-30 | 2022-07-05 | 杭州老板电器股份有限公司 | Flameout protection method and device, oil fume suction device and readable storage medium |
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