CN111184449A - Early warning method for food boiling overflow and pot cover with boiling overflow early warning function - Google Patents
Early warning method for food boiling overflow and pot cover with boiling overflow early warning function Download PDFInfo
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- CN111184449A CN111184449A CN201811357867.7A CN201811357867A CN111184449A CN 111184449 A CN111184449 A CN 111184449A CN 201811357867 A CN201811357867 A CN 201811357867A CN 111184449 A CN111184449 A CN 111184449A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/56—Preventing boiling over, e.g. of milk
- A47J27/62—Preventing boiling over, e.g. of milk by devices for automatically controlling the heat supply by switching off heaters or for automatically lifting the cooking-vessels
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Abstract
The invention relates to a food boiling overflow early warning method and a pot cover with a boiling overflow early warning function, wherein the detection of the vibration frequency, the vibration amplitude and the pressure in the pot cover is started once the temperature in the pot exceeds a preset temperature threshold by detecting the temperature in the pot, or the detection of the vibration frequency, the vibration frequency duration, the vibration amplitude and the pressure in the pot cover is started when the temperature in the pot exceeds the preset temperature threshold, and the detected pot cover vibration amplitude, the temperature in the pot and the pressure in the pot also meet preset correlation relations when the vibration frequency and/or the vibration frequency duration exceed corresponding thresholds; the materials for the pot and the pot cover do not need too high standard requirements, the common pot cover and the pot can be realized, and the economic, practical and practical requirements of most users for boiling overflow warning are better met under the condition of saving the product cost.
Description
Technical Field
The invention relates to the field of kitchen appliances, in particular to a method for early warning food boiling overflow and a pot cover with the function of early warning boiling overflow.
Background
In daily life, a user often puts food and water into a pot, and after a pot cover is covered, the pot is heated by the stove to obtain delicious porridge or soup food. Along with the cooking utensils last heating to the pan, congee class or hot water class food in the pan can be heated and boil, arouses the pan internal gas pressure increase, and the pot cover can be pushed open very easily to the atmospheric pressure of increase, then congee class or hot water class food spill over from the pot cover, and this will cause the potential safety hazard. If the user takes to observe whether the pot cover has the situation that food is boiled and overflowed beside the pot, a great deal of time and energy of the user are delayed.
Although the current pressure cooker can prevent porridge or soup food from overflowing in the pan to a certain extent, the pressure cooker not only needs the pan body material and the thickness that the higher standard required, and the noise of the air escape valve during the operation is great. Therefore, the existing conventional pot products are difficult to give effective and accurate early warning for the condition that food is boiled and overflowed.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a method for controlling the early warning of food boiling overflow in view of the above prior art.
The second technical problem to be solved by the present invention is to provide a pot cover with boiling overflow warning function in view of the above prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the early warning control method for food boiling overflow is used for a cooking system comprising a pot cover, a pot and a cooker, wherein the pot cover is matched and fixed with the pot, and the cooker is positioned on the cooker, and the early warning control method for food boiling overflow is characterized by comprising the following steps:
step 1, acquiring the temperature in a pot heated by a stove;
step 4, when the vibration frequency of the pot cover is judged to exceed a preset vibration frequency threshold value, and the vibration amplitude of the pot cover has a preset correlation relation with the temperature in the pot and the air pressure in the pot, a boiling overflow alarm is sent out; otherwise, turning to the step 3; wherein, in the preset correlation, when the vibration amplitude of the cooker cover is increased, the temperature in the cooker is reduced or/and the air pressure in the cooker is reduced.
In an improvement, the early warning control method for food boiling overflow further comprises the following steps: when judging the vibration amplitude of the cooker cover, the temperature in the cooker and the air pressure in the cooker have the preset correlation, reducing the heating power of the cooker or closing the cooker.
In another improvement, the method for controlling the early warning of boiling overflow of food further comprises:
in step 3, detecting the vibration frequency duration of the pot cover; in step 4, when the vibration frequency of the pot cover is judged to exceed a preset vibration frequency threshold, the duration time of the vibration frequency of the pot cover reaches a preset time threshold, and the vibration amplitude of the pot cover is in a preset correlation relation with the temperature in the pot and the air pressure in the pot, a boiling overflow alarm is sent; otherwise, go to step 3.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the pot cover with boil and spill over early warning function, including the pot cover body of cooperation pan, its characterized in that still includes:
the temperature sensor is positioned on the cooker cover body and used for detecting the temperature in the cooker;
the vibration sensor is positioned on the pot cover body and used for detecting the vibration frequency and the vibration amplitude of the pot cover; the vibration amplitude of the pot cover refers to the vibration amplitude of the pot cover in the direction vertical to the bottom of the pot;
the pressure sensor is positioned on the cooker cover body and used for detecting the air pressure in the cooker;
the boiling overflow alarm is positioned on the pot cover body and used for giving out a boiling overflow alarm prompt;
the controller is positioned on the cooker cover body, is in communication connection with the temperature sensor, the vibration sensor, the pressure sensor and the boiling overflow alarm respectively, and is used for controlling the boiling overflow alarm to start boiling overflow alarm according to the received temperature data, vibration frequency data, vibration amplitude data and pressure data.
Further, in the pot cover having the boiling over warning function, the controller controls the boiling over warning device to start the boiling over warning in the following manner:
when the controller judges that the temperature in the cooker is higher than a preset temperature threshold value, the controller commands to start the vibration sensor to detect the vibration frequency of the cooker cover and the vibration amplitude of the cooker cover and commands to start the pressure sensor to detect the air pressure in the cooker;
the controller judges that the vibration frequency of the pot cover exceeds a first preset vibration threshold value, and when the vibration amplitude of the pot cover is in preset correlation with the temperature in the pot and the air pressure in the pot, the controller commands the boiling overflow alarm to start the boiling overflow alarm; wherein, in the preset correlation, when the vibration amplitude of the cooker cover is increased, the temperature in the cooker is reduced or/and the air pressure in the cooker is reduced.
In a further improvement, in the pot cover with boiling overflow warning function, the vibration sensor also detects the duration of the vibration frequency of the pot cover; and the controller controls the boiling overflow alarm to start the boiling overflow alarm according to the received temperature data, the vibration frequency data, the duration of the vibration frequency, the vibration amplitude data and the pressure data.
Further, in the pot cover having the boiling over warning function, the controller controls the boiling over warning device to start the boiling over warning in the following manner:
when the controller judges that the temperature in the cooker is higher than a preset temperature threshold value, the controller commands to start the vibration sensor to detect the vibration data of the cooker cover and commands to start the pressure sensor to detect the air pressure in the cooker;
the controller judges that the vibration frequency of the cooker cover exceeds a preset vibration frequency threshold value, and when the vibration frequency duration of the cooker cover reaches a preset time threshold value and the vibration amplitude of the cooker cover is in a preset correlation relation with the temperature in the cooker and the air pressure in the cooker, the controller commands the boiling overflow alarm to start the boiling overflow alarm; wherein, in the preset correlation, when the vibration amplitude of the cooker cover is increased, the temperature in the cooker is reduced or/and the air pressure in the cooker is reduced.
In the pot cover with the boiling overflow early warning function, a communication device capable of interactively adjusting a heating power instruction or closing a cooking utensil instruction with the cooking utensil is arranged on the pot cover body.
Further, in the pot cover with boiling overflow warning function, a power supply device is arranged on the pot cover body and is respectively connected with the boiling overflow warning device, the controller and the communication device.
Compared with the prior art, the invention has the advantages that:
firstly, the early warning method for food boiling overflow starts the detection of the vibration frequency, the vibration amplitude and the pressure in the cooker by detecting the temperature in the cooker once the temperature in the cooker exceeds a preset temperature threshold, or starts the detection of the vibration frequency, the vibration frequency duration, the vibration amplitude and the pressure in the cooker when the temperature in the cooker exceeds the preset temperature threshold, and sends out a boiling overflow warning when the vibration frequency and/or the vibration frequency duration exceed the corresponding threshold and the detected vibration amplitude of the cooker cover, the temperature in the cooker and the pressure in the cooker also meet the preset correlation relationship, namely when the vibration amplitude of the cooker is increased, the temperature in the cooker is reduced or/and the pressure in the cooker is reduced;
secondly, after the pot cover with the boiling overflow early warning function is placed on a heated pot, the warning prompt of food boiling overflow in the pot can be realized, the materials of the pot and the pot cover do not need too high standard requirements like a pressure cooker, the common pot cover and the matched pot can be realized, the economic, practical and practical requirements of most users for food boiling overflow warning are better met under the condition of saving the product cost, and the users are not required to delay a large amount of time and energy to observe whether the risk of food boiling overflow exists at the pot cover or not.
Drawings
Fig. 1 is a schematic flow chart of a method for controlling an early warning of boiling overflow of a food according to an embodiment of the present invention;
fig. 2 is a sectional view of a pot cover structure with boiling overflow warning function according to a second embodiment of the present invention;
fig. 3 is a schematic view of the pot cover and the pot in fig. 2 in a fixed state.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example one
Referring to fig. 1, the early warning control method for food boiling overflow provided by the embodiment is used for a cooking system comprising a pot cover, a pot and a cooker, wherein the pot cover and the pot are matched and fixed, and the pot is positioned on the cooker. Specifically, the early warning control method for boiling and overflowing of food in the embodiment includes the following steps:
step 1, acquiring the temperature in a pot heated by a stove;
step 4, when the vibration frequency of the pot cover is judged to exceed a preset vibration frequency threshold value, and the vibration amplitude of the pot cover has a preset correlation relation with the temperature in the pot and the air pressure in the pot, a boiling overflow alarm is sent out; otherwise, turning to the step 3; in the preset correlation, when the vibration amplitude of the cooker cover is increased, the temperature in the cooker is reduced or/and the air pressure in the cooker is reduced. Specifically, when the vibration frequency of detecting the pot cover surpassed and predetermine the vibration frequency threshold value, explain congee or hot water class food in the pan has got into the boiling state this moment, and the rethread judges the relation of pot cover vibration amplitude and temperature in the pan, pan internal gas pressure, can ensure the accurate judgement to congee or hot water class food boiling state in the pan. That is to say, in case detect the vibration range increase of pot cover, show that congee class or hot water class food in the pan of this place has begun the boiling and has pushed away the pot cover, can form great gap because of the pot cover vibration between pot cover and the pan, and then high temperature and the outer outdoor cold heat exchange that produces of pan in the pan to the pan internal gas pressure also can reduce, in case the pot vibration range increase and the interior temperature of pan reduce, perhaps the pot vibration range increase and the pan internal gas pressure reduces, just show that the pot cover this moment has been pushed away by the food of boiling in the pan.
In order to timely take effective countermeasures in the first time when the pot cover is detected to have the overflow risk, in the early warning control method for food boiling overflow in the embodiment, countermeasures are taken for reducing the heating power of the cooker or closing the cooker when the vibration amplitude of the pot cover has a preset correlation with the temperature in the cooker and the air pressure in the cooker.
In order to further improve the early warning accuracy of the risk of overflowing of food boiling in the pot, step 3 of this embodiment further includes detecting the duration time of the vibration frequency of the pot cover, and in step 4, when it is determined that the vibration frequency of the pot cover exceeds a preset vibration frequency threshold, the duration time of the vibration frequency of the pot cover reaches a preset time threshold, and the vibration amplitude of the pot cover has a preset correlation with the temperature in the pot and the pressure in the pot, a boiling overflow warning is issued; otherwise, go to step 3. Specifically, when the vibration frequency of the cooker cover is detected to exceed a preset vibration frequency threshold value and the vibration frequency is maintained to continuously reach a preset time threshold value, the porridge or soup food in the cooker enters a boiling state at the moment and is still continuously boiled, and then the accurate judgment of the boiling state of the porridge or soup food in the cooker can be further ensured by judging the relation between the vibration amplitude of the cooker cover and the temperature and the air pressure in the cooker.
Example two
Referring to fig. 2 and 3, the second embodiment provides a pot cover with boiling overflow warning function, which includes not only the pot cover body 1 matching with the pot 9, but also:
the temperature sensor 2 is positioned on the cooker cover body and used for detecting the temperature in the cooker;
the vibration sensor 3 is positioned on the cooker cover body and used for detecting the vibration frequency and the vibration amplitude of the cooker cover; wherein, the vibration amplitude of the pot cover refers to the vibration amplitude of the pot cover along the direction vertical to the bottom of the pot; see in particular the arrow pointing in fig. 3, i.e. the direction of the vector OA;
the pressure sensor 4 is positioned on the cooker cover body and used for detecting the air pressure in the cooker;
a boiling overflow alarm 5 which is positioned on the cooker cover body and is used for giving out a boiling overflow alarm prompt;
and the controller 6 is positioned on the cooker cover body, is in communication connection with the temperature sensor, the vibration sensor, the pressure sensor and the boiling overflow alarm respectively, and is used for controlling the boiling overflow alarm to start boiling overflow alarm according to the received temperature data, vibration frequency data, vibration amplitude data and pressure data. In the third embodiment, the controller 6 controls the boil over alarm to start the boil over alarm as follows:
when the controller judges that the temperature in the cooker is higher than a preset temperature threshold value, the controller commands to start the vibration sensor to detect the vibration frequency of the cooker cover and the vibration amplitude of the cooker cover and commands to start the pressure sensor to detect the air pressure in the cooker;
when the controller judges that the vibration frequency of the pot cover exceeds a first preset vibration threshold value and the vibration amplitude of the pot cover has a preset correlation with the temperature in the pot and the air pressure in the pot, the controller commands the boiling overflow alarm to start the boiling overflow alarm; in the preset correlation, when the vibration amplitude of the cooker cover is increased, the temperature in the cooker is reduced or/and the air pressure in the cooker is reduced.
Of course, in order to improve the accuracy of the early warning for the risk of overflowing of food boiling in the pot, in the pot cover of the present embodiment, the vibration sensor 3 also detects the duration of the vibration frequency of the pot cover; and the controller 6 controls the boil-over alarm to activate the boil-over alarm based on the received temperature data, vibration frequency data, duration of vibration frequency, vibration amplitude data and pressure data. Specifically, the controller 6 at this time controls the boiling overflow alarm to start the boiling overflow alarm as follows:
when the controller judges that the temperature in the cooker is higher than a preset temperature threshold value, the controller commands to start the vibration sensor to detect the vibration data of the cooker cover and commands to start the pressure sensor to detect the air pressure in the cooker;
the controller judges that the vibration frequency of the pot cover exceeds a preset vibration frequency threshold value, and when the vibration frequency duration of the pot cover reaches a preset time threshold value and the vibration amplitude of the pot cover is in a preset correlation relation with the temperature in the pot and the air pressure in the pot, the controller commands the boiling overflow alarm to start the boiling overflow alarm; wherein, in presetting the correlation, when the vibration range of pot lid increases, the temperature reduces in the pan or/and the pan internal gas pressure reduces.
In order to meet the requirement that effective countermeasures are taken timely when the cooker cover is detected to have the boiling overflow risk, a communication device 7 capable of interactively adjusting the heating power instruction or closing the cooker instruction with the cooker is further arranged on the cooker cover body 1 of the third embodiment. By arranging the communication device on the pot cover, once the controller on the pot cover judges that food is boiled and overflows risks, the controller sends a heating power reduction instruction or a cooking utensil closing instruction to the cooking utensil through the communication device, and then the cooking utensil reduces the heating power or directly closes the cooking utensil according to the instruction sent by the controller on the pot cover.
In addition, the cooker cover body can be provided with the power supply device 8, and the power supply device 8 is respectively connected with the boiling overflow alarm 5, the controller 6 and the communication device 7, so that each power consumption component on the cooker cover can continuously and normally work.
Claims (9)
1. The early warning control method for food boiling overflow is used for a cooking system comprising a pot cover, a pot and a cooker, wherein the pot cover is matched and fixed with the pot, and the cooker is positioned on the cooker, and the early warning control method for food boiling overflow is characterized by comprising the following steps:
step 1, acquiring the temperature in a pot heated by a stove;
step 2, when the temperature in the pot is judged to be higher than a preset temperature threshold value, turning to step 3; otherwise, turning to the step 1;
step 3, detecting the vibration frequency of the pot cover, the vibration amplitude of the pot cover and the air pressure in the pot; the vibration amplitude of the pot cover refers to the vibration amplitude of the pot cover in the direction vertical to the bottom of the pot;
step 4, when the vibration frequency of the pot cover is judged to exceed a preset vibration frequency threshold value, and the vibration amplitude of the pot cover has a preset correlation relation with the temperature in the pot and the air pressure in the pot, a boiling overflow alarm is sent out; otherwise, turning to the step 3; wherein, in the preset correlation, when the vibration amplitude of the cooker cover is increased, the temperature in the cooker is reduced or/and the air pressure in the cooker is reduced.
2. The method for controlling the early warning of boiling overflow of food according to claim 1, further comprising: when judging the vibration amplitude of the cooker cover, the temperature in the cooker and the air pressure in the cooker have the preset correlation, reducing the heating power of the cooker or closing the cooker.
3. The method for controlling the early warning of boiling overflow of food according to claim 1, further comprising:
in step 3, detecting the vibration frequency duration of the pot cover;
in step 4, when the vibration frequency of the pot cover is judged to exceed a preset vibration frequency threshold, the duration time of the vibration frequency of the pot cover reaches a preset time threshold, and the vibration amplitude of the pot cover is in a preset correlation relation with the temperature in the pot and the air pressure in the pot, a boiling overflow alarm is sent; otherwise, go to step 3.
4. Pot cover with boil and spill over early warning function, including pot cover body (1) of cooperation pan, its characterized in that still includes:
the temperature sensor (2) is positioned on the cooker cover body and used for detecting the temperature in the cooker;
the vibration sensor (3) is positioned on the pot cover body and used for detecting the vibration frequency and the vibration amplitude of the pot cover; the vibration amplitude of the pot cover refers to the vibration amplitude of the pot cover in the direction vertical to the bottom of the pot;
the pressure sensor (4) is positioned on the cooker cover body and used for detecting the air pressure in the cooker;
a boiling overflow alarm (5) which is positioned on the pot cover body and is used for giving out a boiling overflow alarm prompt;
and the controller (6) is positioned on the pot cover body, is in communication connection with the temperature sensor, the vibration sensor, the pressure sensor and the boiling overflow alarm respectively, and is used for controlling the boiling overflow alarm to start boiling overflow alarm according to the received temperature data, vibration frequency data, vibration amplitude data and pressure data.
5. The pot cover having a boil-over warning function according to claim 4, wherein the controller (6) controls the boil-over warning device to activate the boil-over warning in such a manner that:
when the controller judges that the temperature in the cooker is higher than a preset temperature threshold value, the controller commands to start the vibration sensor to detect the vibration frequency of the cooker cover and the vibration amplitude of the cooker cover and commands to start the pressure sensor to detect the air pressure in the cooker;
the controller judges that the vibration frequency of the pot cover exceeds a preset vibration threshold value, and when the vibration amplitude of the pot cover is in a preset correlation relation with the temperature in the pot and the air pressure in the pot, the controller commands the boiling overflow alarm to start the boiling overflow alarm; wherein, in the preset correlation, when the vibration amplitude of the cooker cover is increased, the temperature in the cooker is reduced or/and the air pressure in the cooker is reduced.
6. Pot cover with boil over warning function according to claim 4, characterized in that the vibration sensor (3) also detects the duration of the vibration frequency of the pot cover;
and the controller (6) controls the boiling overflow alarm to start the boiling overflow alarm according to the received temperature data, the vibration frequency data, the duration of the vibration frequency, the vibration amplitude data and the pressure data.
7. The pot cover having a boil-over warning function according to claim 6, wherein the controller (6) controls the boil-over warning device to activate the boil-over warning in such a manner that:
when the controller judges that the temperature in the cooker is higher than a preset temperature threshold value, the controller commands to start the vibration sensor to detect the vibration data of the cooker cover and commands to start the pressure sensor to detect the air pressure in the cooker;
the controller judges that the vibration frequency of the cooker cover exceeds a preset vibration frequency threshold value, and when the vibration frequency duration of the cooker cover reaches a preset time threshold value and the vibration amplitude of the cooker cover is in a preset correlation relation with the temperature in the cooker and the air pressure in the cooker, the controller commands the boiling overflow alarm to start the boiling overflow alarm; wherein, in the preset correlation, when the vibration amplitude of the cooker cover is increased, the temperature in the cooker is reduced or/and the air pressure in the cooker is reduced.
8. The pot cover with the boiling overflow early warning function according to any one of claims 4 to 7, wherein a communication device (7) capable of interactively adjusting a heating power instruction or closing a cooking range instruction with the cooking range is arranged on the pot cover body (1).
9. The pot cover with the boiling over warning function according to claim 8, wherein the pot cover body (1) is provided with a power supply device (8), and the power supply device (8) is respectively connected with the boiling over warning device (5), the controller (6) and the communication device (7).
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CN2904892Y (en) * | 2005-12-04 | 2007-05-30 | 唐春芳 | Self-alarming non-spill pot |
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CN203723953U (en) * | 2014-01-17 | 2014-07-23 | 邓东东 | Intelligent saucepan lid handle and electric saucepan including same |
CN107136903A (en) * | 2017-06-30 | 2017-09-08 | 浙江绍兴苏泊尔生活电器有限公司 | Pot cover state detection method and cooker |
CN107168410A (en) * | 2017-06-30 | 2017-09-15 | 浙江绍兴苏泊尔生活电器有限公司 | Temperature control method of cooker and cooker |
CN206745182U (en) * | 2016-11-30 | 2017-12-15 | 佛山市顺德区奇伟电器有限公司 | A kind of electric kettle boiling detection device |
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2018
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US5067474A (en) * | 1990-09-28 | 1991-11-26 | Chi Lei L | Boiling detecting devices for a stove |
CN2894540Y (en) * | 2005-11-12 | 2007-05-02 | 唐春芳 | Inductive alarm overflow-free cooker |
CN2904892Y (en) * | 2005-12-04 | 2007-05-30 | 唐春芳 | Self-alarming non-spill pot |
KR100740676B1 (en) * | 2006-08-08 | 2007-07-18 | 주식회사 셰펠 | Overflow preventing lid for cooking receptacle |
CN203723953U (en) * | 2014-01-17 | 2014-07-23 | 邓东东 | Intelligent saucepan lid handle and electric saucepan including same |
CN206745182U (en) * | 2016-11-30 | 2017-12-15 | 佛山市顺德区奇伟电器有限公司 | A kind of electric kettle boiling detection device |
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