Nothing Special   »   [go: up one dir, main page]

CN1865957A - Detection method for boiling state of food in cooking pot and detection device therefor - Google Patents

Detection method for boiling state of food in cooking pot and detection device therefor Download PDF

Info

Publication number
CN1865957A
CN1865957A CN 200610035679 CN200610035679A CN1865957A CN 1865957 A CN1865957 A CN 1865957A CN 200610035679 CN200610035679 CN 200610035679 CN 200610035679 A CN200610035679 A CN 200610035679A CN 1865957 A CN1865957 A CN 1865957A
Authority
CN
China
Prior art keywords
value
reservoir
microprocessor
comparisons
electric capacity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 200610035679
Other languages
Chinese (zh)
Other versions
CN100514048C (en
Inventor
陈运阶
杨志桥
黄楚钦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shantou Tianji Electric Appliance Industry Co ltd
Original Assignee
TIANJI ELECTRIC APPHIANCE CO Ltd GUANGDONG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJI ELECTRIC APPHIANCE CO Ltd GUANGDONG filed Critical TIANJI ELECTRIC APPHIANCE CO Ltd GUANGDONG
Priority to CNB2006100356793A priority Critical patent/CN100514048C/en
Publication of CN1865957A publication Critical patent/CN1865957A/en
Application granted granted Critical
Publication of CN100514048C publication Critical patent/CN100514048C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cookers (AREA)

Abstract

The disclosed detection method for boiling in an electric boiler comprises: (1) obtaining boiler temperature and variation rate; (2) comparing the rate with pre-set value; (3) if the variation less than pre-set value for a space, deciding it is boiling. Wherein, the detection device comprises: a thermistor as temperature sensor, a MPU, a capacitor and its charge/discharge circuit and level detection circuit all connected to the MPU. This invention is free to height above sea level, and benefit to obtain ideal cook effect.

Description

The detection method and the pick-up unit of article boiling in the pot
Technical field
The present invention relates to the electric heating cooking vessel, specifically, relate to the detection method that article seethe with excitement in the pot in the electric heating cooking vessel, and the pick-up unit that uses this detection method.
Background technology
When existing electric heating cooking vessel (comprising electric food warmer, electromagnetic oven, electric kettle etc.) is used to cook (as to boil water, congee, soup etc.), whether article seethe with excitement and adopt the method for detection temperature of boiler usually in the judgement pot, when detecting temperature of boiler and reach a certain setting value (usually this be worth be boiling point), judge that then article have been in fluidized state in the pot.There is the inaccurate shortcoming of detection in this method, particularly owing to area at different altitude height, glassware for drinking water has different boiling points, so electric heating cooking vessel that is suitable in a certain area, when use in another different area of sea level elevation, often owing to not judging accurately that a pot interior article fluidized state is difficult to obtain the desirable effect of cooking, must regulate the electric heating cooking vessel according to the boiling point of this area's water before perhaps using, can obtain the desirable effect of cooking, make that like this applicability of electric heating cooking vessel is relatively poor, use inconvenient.
Summary of the invention
The purpose of this invention is to provide the detection method that article seethe with excitement in the pot in a kind of electric heating cooking vessel, and the pick-up unit that uses this detection method, make electric heating cooking vessel applicability good, easy to use, and can obtain the desirable effect of cooking.The technical scheme that adopts is as follows:
The detection method of article boiling in a kind of pot, it is characterized in that may further comprise the steps: (1) obtains the temperature of pot body, and the accounting temperature rate of change; (2) rate of temperature change and preset value are compared, judge that whether rate of temperature change is less than preset value; (3), then judge article boiling in the pot if rate of temperature change is continuously less than preset value in a period of time; Otherwise forwarding step (1) to continues to detect.
Can temperature sensor and microprocessor be set in the electric heating cooking vessel, be provided with the number of comparisons reservoir in the microprocessor, more specifically, above-mentioned detection method may further comprise the steps: (1) microprocessor is with the value zero clearing of number of comparisons reservoir; (2) temperature sensor detects the temperature of pot body, and sends detected temperature value to microprocessor; (3) microprocessor is according to detected temperature value accounting temperature rate of change, and rate of temperature change and preset value are compared; (4) when rate of temperature change during less than preset value, microprocessor adds one with the value of number of comparisons reservoir; When rate of temperature change during greater than preset value, microprocessor is with the value zero clearing of number of comparisons reservoir; (5) if the value of number of comparisons reservoir less than the number of comparisons preset value, then forwards step (2) to; If the value of number of comparisons reservoir equals the number of comparisons preset value, then article boiling in the microprocessor judges pot.
Because when article seethe with excitement in the pot, temperature of boiler remains on a constant relatively numerical value, its rate of temperature change is less, therefore (time length is corresponding to the number of comparisons preset value in a period of time when rate of temperature change, can set according to actual conditions) during all less than a certain value (being above-mentioned preset value), can judge a pot interior article boiling.Temperature of boiler rate of change in the time of can calculating pot interior article boiling by experiment, reference when determining above-mentioned preset value.
After the article boiling, send signal and give control circuit in the microprocessor judges pot, can cut off heating power supply, perhaps time-delay is cut off heating power supply after heating a period of time.
The pick-up unit of article boiling comprises temperature sensor and microprocessor in a kind of pot, and it is characterized in that: described temperature sensor is a thermistor; Described pick-up unit also comprises an electric capacity, and the charging circuit of this electric capacity, discharge circuit and level sensitive circuit, and charging circuit, discharge circuit and level sensitive circuit are connected with the respective end of microprocessor, and thermistor is connected in the charging circuit.
First end of above-mentioned electric capacity connects an end of power cathode, second end connection thermistor (or by thermistor and the series connection of other resistance and/or resistor group that constitutes in parallel), electric capacity and thermistor (or resistor group) constitute charging circuit, and the other end of thermistor (or resistor group) connects the high level output terminal of microprocessor; Second end of above-mentioned electric capacity also connects an end of a resistance, and electric capacity and this resistance constitute discharge circuit, and the other end of resistance connects the low level output terminal of microprocessor; Second end of above-mentioned electric capacity also connects an end of a resistance, and electric capacity and this resistance constitute level sensitive circuit, and the other end of resistance connects the level detection end of microprocessor.
Be provided with in the microprocessor number of comparisons reservoir, this measured value reservoir and last time the measured value reservoir.
Be provided with a program in the microprocessor, this program may further comprise the steps: (1) initialization: to relatively number of times reservoir, this measured value reservoir and measured value reservoir zero clearing last time; (2) each time interval, low level output terminal output low level is to capacitor discharge, and the level to electric capacity is zero volt; (3) high level output terminal output high level charges to electric capacity, and the level detection end is monitored the level on the electric capacity simultaneously, and microprocessor calculates electric capacity and charges to the high level required time from zero volt, and this time value is stored in this measured value reservoir; (4) with the value of this measured value reservoir and last time the measured value reservoir value relatively and calculate its difference, if difference is less than preset value, then the value with the number of comparisons reservoir adds one; If difference is greater than preset value, then with the zero clearing of number of comparisons reservoir; (5) if the value of number of comparisons reservoir less than the number of comparisons preset value, then the value with this measured value reservoir copies in measured value reservoir last time, and forwards step (2) to; If the value of number of comparisons reservoir equals the number of comparisons preset value, then judge article boiling in the pot.
Capacitor charging time (electric capacity charges to the high level required time from zero volt) is corresponding with the resistance of thermistor, the resistance of thermistor then changes with variation of temperature, make thermistor be close to a pot body, then the temperature of thermistor is determined by temperature of boiler, in sum, capacitor charging time is corresponding with temperature of boiler.Because the time interval of measuring this measured value (this duration of charging) and measuring between measured value last time (duration of charging last time) is fixed, therefore this measured value storage with last time measured value difference corresponding to the rate of change of measured value, also promptly corresponding to rate of temperature change.
Preferably in above-mentioned each time interval, electric capacity is carried out multiple discharge, charging, measure a plurality of capacitor charging time values, and calculate the mean value of these capacitor charging time values, value as this measured value reservoir, can detect the temperature of pot body so more exactly, thereby detect the rate of temperature change of pot body more exactly.
Above-mentioned low level output terminal and level detection end can be the same pins of microprocessor, and discharge circuit and level sensitive circuit are same circuit.
The present invention can accurately detect the fluidized state of article in taking the dish out of the pot by the temperature and the accounting temperature rate of change of detection pot body, and is not subjected to the restriction of different altitude height, makes electric heating cooking vessel applicability good, easy to use, and can obtain the desirable effect of cooking.
Description of drawings
Fig. 1 is the circuit theory diagrams of pick-up unit in the preferred embodiment of the present invention 1;
Fig. 2 is the process flow diagram of the program that is provided with in the microprocessor among Fig. 1.
Embodiment
Embodiment 1
The detection method of article boiling may further comprise the steps in this pot: (1) microprocessor is with the value zero clearing of number of comparisons reservoir; (2) temperature sensor detects the temperature of pot body, and sends detected temperature value to microprocessor; (3) microprocessor is according to detected temperature value accounting temperature rate of change, and rate of temperature change and preset value are compared; (4) when rate of temperature change during less than preset value, microprocessor adds one with the value of number of comparisons reservoir; When rate of temperature change during greater than preset value, microprocessor is with the value zero clearing of number of comparisons reservoir; (5) if the value of number of comparisons reservoir less than the number of comparisons preset value, then forwards step (2) to; If the value of number of comparisons reservoir equals the number of comparisons preset value, then article boiling in the microprocessor judges pot.
After the article boiling, send signal and give control circuit in the microprocessor judges pot, can cut off heating power supply, perhaps time-delay is cut off heating power supply after heating a period of time.
Above-mentioned preset value can be calculated by experiment.
As shown in Figure 1, the pick-up unit of article boiling comprises temperature sensor and microprocessor in this pot, and wherein temperature sensor is thermistor Rt, and microprocessor adopts HT48R05A-1; This pick-up unit also comprises a capacitor C 7, first end of capacitor C 7 connects an end of power cathode, second end connection resistor group (resistor group is made of thermistor Rt and resistance R 8 series connection), electric capacity and resistor group constitute charging circuit, and the other end of resistor group connects the high level output terminal PA3 of microprocessor; Second end of electric capacity also connects an end of resistance R 9, electric capacity and this resistance constitute discharge circuit and level sensitive circuit, the other end of resistance R 9 connects the low level output and the level detection end PA2 (low level output terminal and level detection end are the same pin PA2 of microprocessor, and discharge circuit and level sensitive circuit are same circuit) of microprocessor.The duration of charging of capacitor C 7 (electric capacity charges to the high level required time from zero volt) is corresponding with the resistance of thermistor Rt, the resistance of thermistor Rt then changes with variation of temperature, thermistor Rt is close to a pot body in the present embodiment, the temperature of thermistor Rt is determined by temperature of boiler, in sum, the duration of charging of capacitor C 7 is corresponding with temperature of boiler.Thermistor Rt adopts negative tempperature coefficient thermistor (NTC thermistor) in the present embodiment, and the resistance of thermistor Rt raises along with temperature and reduces, and therefore when temperature raise, the duration of charging of capacitor C 7 shortened.
Be provided with in the microprocessor number of comparisons reservoir, this measured value reservoir and last time the measured value reservoir.
Be provided with a program in the microprocessor, as shown in Figure 2, this program may further comprise the steps:
(1) initialization: to relatively number of times reservoir, this measured value reservoir and measured value reservoir zero clearing last time; The number of comparisons reservoir adopts the number of comparisons register, this measured value reservoir and last time the measured value reservoir adopt respectively this measured value totalizer and last time the measured value totalizer;
(2) low level output and level detection end PA2 output low level are to capacitor C 7 discharges (2 milliseconds), and the level to capacitor C 7 is zero volt;
(3) high level output terminal PA3 output high level is to capacitor C 7 chargings, low level output simultaneously and level detection end PA2 monitor the level on the capacitor C 7, microprocessor calculates capacitor C 7 and charges to the high level required time from zero volt, and this time value is joined in this measured value totalizer; Delayed time then 1 second;
(4) accumulative total delay value when delay value during less than 10 seconds, forwards step (2) to; When delay value during more than or equal to 10 seconds, this measured value totalizer to be averaged, this mean value is as the value of this measured value totalizer;
(5) value of the value of this measured value totalizer and measured value totalizer last time relatively as if the value of this measured value totalizer value less than measured value totalizer last time, then forwards step (6) to; If the value of this measured value totalizer is greater than the value of measured value totalizer last time,, the value of this measured value totalizer copied in measured value totalizer last time, and forward step (2) to then with the zero clearing of number of comparisons register;
(6) calculate this measured value totalizer value and last time the measured value totalizer the difference of value, if difference is less than preset value (preset value is 30H, 16 systems), then the value with the number of comparisons register adds one; If difference is greater than preset value,, the value of this measured value totalizer copied in measured value totalizer last time, and forward step (2) to then with the zero clearing of number of comparisons register;
(7) if the value of number of comparisons register is less than number of comparisons preset value (the number of comparisons preset value is 4), then the value with this measured value totalizer copies in measured value totalizer last time, and forwards step (2) to; If the value of number of comparisons register equals the number of comparisons preset value, then judge article boiling in the pot.
Above-mentioned steps (5) is the step that present embodiment increases, and is used for judging that the pot body heats up or cooling.
The time interval of obtaining the value (this duration of charging) of this measured value totalizer and obtaining between the value (duration of charging last time) of measured value totalizer last time is (10 seconds) fixed, therefore the value of this measured value totalizer and last time the measured value totalizer value between difference corresponding to the measurement variation rate, also promptly corresponding to rate of temperature change.
In each time interval, capacitor C 7 is carried out multiple discharge, charging, measure a plurality of capacitor charging time values, and calculate the mean value of these capacitor charging time values, value as this measured value totalizer, can detect the temperature of pot body so more exactly, thereby detect the rate of temperature change of pot body more exactly.
Above-mentioned discharge time, delay value, preset value, number of comparisons preset value etc. can adjust according to actual conditions.
In other embodiments, the present invention also can adopt other temperature sensor.

Claims (9)

1, the detection method of article boiling in a kind of pot, it is characterized in that may further comprise the steps: (1) obtains the temperature of pot body, and the accounting temperature rate of change; (2) rate of temperature change and preset value are compared, judge that whether rate of temperature change is less than preset value; (3), then judge article boiling in the pot if rate of temperature change is continuously less than preset value in a period of time; Otherwise forwarding step (1) to continues to detect.
2, the detection method of article boiling in the pot according to claim 1, it is characterized in that may further comprise the steps: (1) microprocessor is with the value zero clearing of number of comparisons reservoir; (2) temperature sensor detects the temperature of pot body, and sends detected temperature value to microprocessor; (3) microprocessor is according to detected temperature value accounting temperature rate of change, and rate of temperature change and preset value are compared; (4) when rate of temperature change during less than preset value, microprocessor adds one with the value of number of comparisons reservoir; When rate of temperature change during greater than preset value, microprocessor is with the value zero clearing of number of comparisons reservoir; (5) if the value of number of comparisons reservoir less than the number of comparisons preset value, then forwards step (2) to; If the value of number of comparisons reservoir equals the number of comparisons preset value, then article boiling in the microprocessor judges pot.
3, the pick-up unit of article boiling in a kind of pot comprises temperature sensor and microprocessor, and it is characterized in that: described temperature sensor is a thermistor; Described pick-up unit also comprises an electric capacity, and the charging circuit of this electric capacity, discharge circuit and level sensitive circuit, and charging circuit, discharge circuit and level sensitive circuit are connected with the respective end of microprocessor, and thermistor is connected in the charging circuit.
4, the pick-up unit of article boiling in the pot according to claim 3, it is characterized in that: first end of described electric capacity connects that power cathode, second end connect thermistor or by an end of thermistor and series connection of other resistance and/or the resistor group that constitutes in parallel, electric capacity and thermistor or resistor group constitute charging circuit, and the other end of thermistor or resistor group connects the high level output terminal of microprocessor; Second end of described electric capacity also connects an end of a resistance, and electric capacity and this resistance constitute discharge circuit, and the other end of resistance connects the low level output terminal of microprocessor; Second end of described electric capacity also connects an end of a resistance, and electric capacity and this resistance constitute level sensitive circuit, and the other end of resistance connects the level detection end of microprocessor.
5, according to the pick-up units of article boiling in claim 3 or the 4 described pots, it is characterized in that: be provided with in the described microprocessor number of comparisons reservoir, this measured value reservoir and last time the measured value reservoir.
6, the pick-up unit of article boiling in the pot according to claim 5, it is characterized in that: be provided with a program in the described microprocessor, this program may further comprise the steps: (1) initialization: to relatively number of times reservoir, this measured value reservoir and measured value reservoir zero clearing last time; (2) each time interval, low level output terminal output low level is to capacitor discharge, and the level to electric capacity is zero volt; (3) high level output terminal output high level charges to electric capacity, and the level detection end is monitored the level on the electric capacity simultaneously, and microprocessor calculates electric capacity and charges to the high level required time from zero volt, and this time value is stored in this measured value reservoir; (4) with the value of this measured value reservoir and last time the measured value reservoir value relatively and calculate its difference, if difference is less than preset value, then the value with the number of comparisons reservoir adds one; If difference is greater than preset value, then with the zero clearing of number of comparisons reservoir; (5) if the value of number of comparisons reservoir less than the number of comparisons preset value, then the value with this measured value reservoir copies in measured value reservoir last time, and forwards step (2) to; If the value of number of comparisons reservoir equals the number of comparisons preset value, then judge article boiling in the pot.
7, the pick-up unit of article boiling in the pot according to claim 4, it is characterized in that: described low level output terminal and level detection end are the same pins of microprocessor, and discharge circuit and level sensitive circuit are same circuit.
8, according to the pick-up unit of article boiling in claim 3 or the 4 described pots, it is characterized in that: described thermistor is close to a pot body.
9, the pick-up unit of article boiling in the pot according to claim 6, it is characterized in that: in the described program, in each time interval, electric capacity is carried out multiple discharge, charging, measure a plurality of capacitor charging time values, and calculate the mean value of these capacitor charging time values, as the value of this measured value reservoir.
CNB2006100356793A 2006-05-23 2006-05-23 Detection method for boiling state of food in cooking pot and detection device therefor Expired - Fee Related CN100514048C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100356793A CN100514048C (en) 2006-05-23 2006-05-23 Detection method for boiling state of food in cooking pot and detection device therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100356793A CN100514048C (en) 2006-05-23 2006-05-23 Detection method for boiling state of food in cooking pot and detection device therefor

Publications (2)

Publication Number Publication Date
CN1865957A true CN1865957A (en) 2006-11-22
CN100514048C CN100514048C (en) 2009-07-15

Family

ID=37425033

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100356793A Expired - Fee Related CN100514048C (en) 2006-05-23 2006-05-23 Detection method for boiling state of food in cooking pot and detection device therefor

Country Status (1)

Country Link
CN (1) CN100514048C (en)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269628A (en) * 2011-06-10 2011-12-07 深圳市平进股份有限公司 Method and device for monitoring temperature of guide sleeve or/and guide post
CN103344348A (en) * 2013-07-04 2013-10-09 长沙市博巨兴电子科技有限公司 Method and device for detecting water boiling of induction cooker
CN103989393A (en) * 2013-02-20 2014-08-20 广东天际电器股份有限公司 Electric cooking appliance applicable to different altitudes and control method thereof
CN104635803A (en) * 2014-12-10 2015-05-20 广东美的制冷设备有限公司 Remote controller and temperature sampling control method
CN104731129A (en) * 2015-01-31 2015-06-24 广东美的制冷设备有限公司 Remote control unit and temperature sampling control system and method
CN105011752A (en) * 2015-06-29 2015-11-04 黄继昌 Electric kettle with automatically opening and closing lid based on rate of water temperature change
CN105212694A (en) * 2015-10-09 2016-01-06 珠海格力电器股份有限公司 Method and device for determining boiling points of water under different altitudes and electric pressure cooker
CN105865411A (en) * 2015-01-19 2016-08-17 佛山市顺德区美的电热电器制造有限公司 Altitude height detection method used for cooking utensils, apparatus thereof and cooking utensils
CN105865409A (en) * 2015-01-19 2016-08-17 佛山市顺德区美的电热电器制造有限公司 Altitude height detection method used for cooking utensils, apparatus thereof and cooking utensils
CN105865410A (en) * 2015-01-19 2016-08-17 佛山市顺德区美的电热电器制造有限公司 Altitude height detection method used for cooking utensils, apparatus thereof and cooking utensils
CN106598102A (en) * 2016-12-07 2017-04-26 宁波方太厨具有限公司 Heating cooking equipment and coup cooking control method thereof
CN106774008A (en) * 2017-01-20 2017-05-31 何文东 A kind of level testing methods of electric kettle
CN108731836A (en) * 2017-04-18 2018-11-02 浙江绍兴苏泊尔生活电器有限公司 Temperature measuring method, circuit and cooking utensil
CN109792804A (en) * 2016-09-23 2019-05-21 伊莱克斯家用电器股份公司 For the method for Boiling detection and the induced cooking utensils including Boiling detection mechanism
CN110353470A (en) * 2018-04-10 2019-10-22 浙江苏泊尔家电制造有限公司 Cooking apparatus, culinary art method and computer storage medium
CN110393458A (en) * 2019-08-19 2019-11-01 九阳股份有限公司 A kind of boiling point detecting method of food processor
CN110514688A (en) * 2018-05-21 2019-11-29 佛山市顺德区美的饮水机制造有限公司 Boiling point detecting method, device, storage medium
CN111012189A (en) * 2019-11-08 2020-04-17 珠海优特智厨科技有限公司 Equipment, method and device for detecting state of articles in pot and storage medium
CN111637497A (en) * 2020-05-25 2020-09-08 广东万家乐燃气具有限公司 Gas stove fire adjusting method and adjusting system
CN111665281A (en) * 2020-03-24 2020-09-15 广东吉宝电器科技有限公司 Boiling point judging mechanism for instant heating type water boiler
CN111707393A (en) * 2020-06-10 2020-09-25 浙江瑞德电子科技有限公司 Boiling judgment method and system of rice cooker, intelligent terminal and storage medium
CN112656236A (en) * 2019-10-16 2021-04-16 佛山市顺德区美的电热电器制造有限公司 Control method of cooking appliance, cooking appliance and storage medium
CN112728597A (en) * 2019-10-28 2021-04-30 浙江绍兴苏泊尔生活电器有限公司 Heating control method and device, induction cooker and cooker
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE14351T1 (en) * 1981-01-17 1985-08-15 Kugelfischer G Schaefer & Co METHOD AND DEVICE FOR DETERMINING THE BOILING POINT OF BRAKE FLUID.
DE3638977A1 (en) * 1986-01-13 1987-07-16 Teves Gmbh Alfred METHOD AND DEVICE FOR DETERMINING THE BOILING TEMPERATURE
CN2091111U (en) * 1991-04-19 1991-12-25 卢能晓 Multi-functional automatic control device of electric rice cooker
CN2222489Y (en) * 1994-10-14 1996-03-20 王正平 Boiling detecting device for electric rice pot
CN2230561Y (en) * 1995-09-12 1996-07-10 陈水谦 Computer controlling structure of thermos
CN1414379A (en) * 2002-09-10 2003-04-30 潘兆铿 Boiling point detecting method of liquid in open container

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269628B (en) * 2011-06-10 2014-01-08 深圳市平进股份有限公司 Method and device for monitoring temperature of guide sleeve or/and guide post
CN102269628A (en) * 2011-06-10 2011-12-07 深圳市平进股份有限公司 Method and device for monitoring temperature of guide sleeve or/and guide post
CN103989393A (en) * 2013-02-20 2014-08-20 广东天际电器股份有限公司 Electric cooking appliance applicable to different altitudes and control method thereof
CN103344348A (en) * 2013-07-04 2013-10-09 长沙市博巨兴电子科技有限公司 Method and device for detecting water boiling of induction cooker
CN103344348B (en) * 2013-07-04 2015-11-25 长沙市博巨兴电子科技有限公司 Electromagnetic oven water opens detection method and device
CN104635803A (en) * 2014-12-10 2015-05-20 广东美的制冷设备有限公司 Remote controller and temperature sampling control method
CN105865410A (en) * 2015-01-19 2016-08-17 佛山市顺德区美的电热电器制造有限公司 Altitude height detection method used for cooking utensils, apparatus thereof and cooking utensils
CN105865411A (en) * 2015-01-19 2016-08-17 佛山市顺德区美的电热电器制造有限公司 Altitude height detection method used for cooking utensils, apparatus thereof and cooking utensils
CN105865409A (en) * 2015-01-19 2016-08-17 佛山市顺德区美的电热电器制造有限公司 Altitude height detection method used for cooking utensils, apparatus thereof and cooking utensils
CN104731129A (en) * 2015-01-31 2015-06-24 广东美的制冷设备有限公司 Remote control unit and temperature sampling control system and method
CN105011752A (en) * 2015-06-29 2015-11-04 黄继昌 Electric kettle with automatically opening and closing lid based on rate of water temperature change
CN105212694B (en) * 2015-10-09 2017-12-26 珠海格力电器股份有限公司 Method and device for determining boiling points of water under different altitudes and electric pressure cooker
CN105212694A (en) * 2015-10-09 2016-01-06 珠海格力电器股份有限公司 Method and device for determining boiling points of water under different altitudes and electric pressure cooker
CN109792804A (en) * 2016-09-23 2019-05-21 伊莱克斯家用电器股份公司 For the method for Boiling detection and the induced cooking utensils including Boiling detection mechanism
CN109792804B (en) * 2016-09-23 2022-04-19 伊莱克斯家用电器股份公司 Method for boiling detection and induction hob comprising boiling detection mechanism
CN106598102A (en) * 2016-12-07 2017-04-26 宁波方太厨具有限公司 Heating cooking equipment and coup cooking control method thereof
CN106774008A (en) * 2017-01-20 2017-05-31 何文东 A kind of level testing methods of electric kettle
CN108731836A (en) * 2017-04-18 2018-11-02 浙江绍兴苏泊尔生活电器有限公司 Temperature measuring method, circuit and cooking utensil
CN110353470A (en) * 2018-04-10 2019-10-22 浙江苏泊尔家电制造有限公司 Cooking apparatus, culinary art method and computer storage medium
CN110514688A (en) * 2018-05-21 2019-11-29 佛山市顺德区美的饮水机制造有限公司 Boiling point detecting method, device, storage medium
CN110514688B (en) * 2018-05-21 2022-03-25 佛山市顺德区美的饮水机制造有限公司 Boiling point detection method, device and storage medium
CN110393458A (en) * 2019-08-19 2019-11-01 九阳股份有限公司 A kind of boiling point detecting method of food processor
CN110393458B (en) * 2019-08-19 2022-01-04 九阳股份有限公司 Boiling point detection method of food processing machine
CN112656236A (en) * 2019-10-16 2021-04-16 佛山市顺德区美的电热电器制造有限公司 Control method of cooking appliance, cooking appliance and storage medium
CN112656236B (en) * 2019-10-16 2023-11-07 佛山市顺德区美的电热电器制造有限公司 Control method of cooking appliance, cooking appliance and storage medium
CN112728597A (en) * 2019-10-28 2021-04-30 浙江绍兴苏泊尔生活电器有限公司 Heating control method and device, induction cooker and cooker
CN111012189A (en) * 2019-11-08 2020-04-17 珠海优特智厨科技有限公司 Equipment, method and device for detecting state of articles in pot and storage medium
CN111665281A (en) * 2020-03-24 2020-09-15 广东吉宝电器科技有限公司 Boiling point judging mechanism for instant heating type water boiler
CN111637497A (en) * 2020-05-25 2020-09-08 广东万家乐燃气具有限公司 Gas stove fire adjusting method and adjusting system
CN111707393A (en) * 2020-06-10 2020-09-25 浙江瑞德电子科技有限公司 Boiling judgment method and system of rice cooker, intelligent terminal and storage medium
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

Also Published As

Publication number Publication date
CN100514048C (en) 2009-07-15

Similar Documents

Publication Publication Date Title
CN1865957A (en) Detection method for boiling state of food in cooking pot and detection device therefor
JP4966970B2 (en) Method for determining liquid level and system for determining liquid level
US6300606B1 (en) Method and device for detection of a boil dry condition of a utensil placed on a glass-ceramic cooking surface of a cooking unit
US9109960B2 (en) Estimating temperature
EP1489479A1 (en) Apparatus and method for detecting abnormal temperature rise associated with a cooking arrangement
CN101513325B (en) Electric cooking appliance and heating control method thereof
WO2007017624A1 (en) Scale detection on water heating elements
CN104414485A (en) Liquid heating device and control method thereof
CN100370376C (en) Method for estimating water boiling of electric heating kettle
CN108266776B (en) Range hood, control method and system thereof, and fire-off detection method and device
EP3616023B1 (en) Method for determining an amount of deposition of scale on a heating element and household appliance comprising a heating element
CN107782408B (en) Liquid level detection circuit, liquid level detection method and wall breaking machine
CN110879624B (en) Cooking appliance heating control method, device and equipment and cooking system
CN108245006B (en) Electric kettle heating temperature control method and electric kettle
CN105326386A (en) Water temperature boiling point judging method and device and electric kettle
EP1018637A1 (en) Apparatus and method for detecting change in the resistance of a connector in a sensor circuit
EP1266542B1 (en) Heating element, liquid container and method for detecting temperature changes
JP4785927B2 (en) Electric kettle control method
CN106308459A (en) Empty state determination method and device for electric rice cooker
CN108508931A (en) Electric kettle heat preservation control method and electric kettle
CN205197768U (en) Water temperature boiling point judging device and electric kettle
JP3621870B2 (en) Cooking equipment
CN108693798B (en) Pot dry-cooking judgment method and device for electric cooker and electric cooker
CN110319464B (en) System, method and device for preventing overheating of pot temperature
CN104566991B (en) Liquid heating and its control method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: GUANGDONG TONZE ELECTRIC APPLIANCES CO., LTD.

Free format text: FORMER NAME: TIANJI ELECTRIC APPHIANCE CO., LTD., GUANGDONG

CP01 Change in the name or title of a patent holder

Address after: 515021 Guangdong city of Shantou province Chaoshan road Jinyuan Industrial City area 12-12

Patentee after: GUANGDONG TONZE ELECTRIC Co.,Ltd.

Address before: 515021 Guangdong city of Shantou province Chaoshan road Jinyuan Industrial City area 12-12

Patentee before: Guangdong Tonze Electric Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220818

Address after: 515000 quality inspection building on the west side of unit C03, nanshanwan Industrial Park, Binhai street, Haojiang District, Shantou City, Guangdong Province

Patentee after: Shantou Tianji Electric Appliance Industry Co.,Ltd.

Address before: 515021 Guangdong city of Shantou province Chaoshan road Jinyuan Industrial City area 12-12

Patentee before: GUANGDONG TONZE ELECTRIC Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090715