CN107087984A - A kind of insulating pot carries kettle thermal-insulation control method - Google Patents
A kind of insulating pot carries kettle thermal-insulation control method Download PDFInfo
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- CN107087984A CN107087984A CN201710518653.2A CN201710518653A CN107087984A CN 107087984 A CN107087984 A CN 107087984A CN 201710518653 A CN201710518653 A CN 201710518653A CN 107087984 A CN107087984 A CN 107087984A
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- water
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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
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/21091—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water of electronic type
Abstract
A kind of insulating pot carries kettle thermal-insulation control method, insulating pot is provided with the cooling-water temperature sensor being assemblied in kettle body, water amount detection device, master control borad and heating component, cooling-water temperature sensor is arranged in kettle, water temperature information in the kettle detected is delivered to master control borad by cooling-water temperature sensor, and the water amount information detected is delivered to master control borad by water amount detection device.Function is detected by water in increased kettle, the water in kettle can be detected in real time, after anhydrous in kettle, water is dryouied or water is finished down by user, electric kettle can prevent electric kettle dry combustion method reliably into excessive low water level protection program, it is to avoid is damaged or dangerous generation.Insulating pot controls more intelligent and hommization, and the usage experience of user is more improved while improving product reliability.
Description
Technical field
The present invention relates to kettle heat preservation technology field is carried, more particularly to a kind of insulating pot carries kettle thermal-insulation control method.
Background technology
Electric kettle is one of higher household electrical appliances of general family's frequency of use.The electric kettle overwhelming majority is to utilize heating wire
Heated, to ensure firing rate, general heating power is higher, therefore, to avoid kettle from going out in the absence of water as far as possible
Existing dry combustion method, once dry combustion method, may cause kettle to damage, serious even occurs fire, Danger Electric shock risk.In the prior art, part
Electric kettle has heat insulation function, by intermittent supplementary heating, the water in kettle is maintained the temperature range of setting, works as user
Lift after kettle pouring, kettle, which is put back to kettle seat, can continue to keep keeping warm mode, meet the instant water demand of user.
Kettle mechanically, the startup and stopping heated according to the signal of cooling-water temperature sensor, due to not to kettle
Interior water carries out detection judgement, when anhydrous in kettle, water is dryouied or water is finished down by user, according to the signal of cooling-water temperature sensor
Heating is directly initiated, causes electric kettle dry combustion method, easily causes damage or hazard of catch fire even occurs.
Therefore, carry kettle thermal-insulation control method to solve prior art not in view of the shortcomings of the prior art, providing a kind of insulating pot
Foot is very necessary.
The content of the invention
A kind of insulating pot is provided and carries kettle preservation and controlling side it is an object of the invention to avoid the deficiencies in the prior art part
Method, the insulating pot, which carries kettle thermal-insulation control method, can detect the water in kettle in real time, when anhydrous in kettle, water dryouied or water by with
After family is finished down, electric kettle can prevent electric kettle dry combustion method reliably into excessive low water level protection program, it is to avoid damage or dangerous hair
It is raw.
The above-mentioned purpose of the present invention is realized by following technological means.
A kind of insulating pot is provided and carries kettle thermal-insulation control method, insulating pot be provided be assemblied in kettle body cooling-water temperature sensor,
Water amount detection device, master control borad and heating component, the cooling-water temperature sensor are arranged in kettle, and cooling-water temperature sensor is by the kettle detected
Interior water temperature information is delivered to master control borad, and the water amount information detected is delivered to master control borad by the water amount detection device；
Master control borad is according to water temperature information and water amount information, in the case that water is more than anti-dry threshold value only in kettle, main
Control plate control heating component is heated to regulate and control water temperature in kettle.
Specifically, when user lifts under kettle body keeping warm mode to be put back to after kettle body is added water, kettle body still in
Keeping warm mode, cooling-water temperature sensor carries out water temperature detection in kettle, and water amount detection device synchronously carries out water detection in kettle；
When water temperature is more than anti-dry threshold value less than the water in setting value, and kettle, master control borad control heating component is carried out
Heating.
It is preferred that, it is specific as follows to carry kettle thermal-insulation control method,
S1, upper electricity, user's setting holding temperature, and start holding mode；
Water temperature in S2, cooling-water temperature sensor detection kettle, water amount detection device synchronously detects water in kettle, when the water temperature detected
Less than the holding temperature of setting, and water in kettle higher than anti-dry threshold value is allowed when, start heating；
In S3, heating process, when cooling-water temperature sensor is detected water temperature reaches holding temperature in kettle when or water amount detection device
When water is less than anti-dry threshold value in the kettle synchronously detected, then stop heating；
S4, kettle body be in keeping warm mode and in stop heated condition when, judge whether water changes in kettle, if kettle
Interior water exceedes anti-dry threshold value, and master control borad control heating component is heated；If water is less than anti-dry threshold value in kettle, main
Plate control heating component is controlled to stop continuing to heat.
Specifically, anti-dry threshold value position corresponding with the height of water level in kettle is defined as anti-dry height threshold.
Specifically, the water amount detection device include multiple capacitance sensors for being assemblied in different heights of water level and with
The processor of multiple capacitance sensor connections, multiple capacitance sensors are initial by the capacitance detected and each capacitance sensor
The capacitance of setting is contrasted；
If the capacitance that sensor is detected is more than or equal to the corresponding capacitance initially set, judge at the water level
There is water；
If the capacitance that sensor is detected is less than the corresponding capacitance initially set, judge do not have at the water level
Water；
Result of detection is delivered to processor, the highest position that processor will have water by the capacitance sensor at multiple water levels
Capacitance sensor where height of water level be compared with anti-dry height threshold, when the highest position for having water electric capacity pass
When height of water level where sensor is not less than anti-dry height threshold, it is determined as safety level, can heats, is otherwise determined as non-
Safety level, it is impossible to heat.
Further, the water amount detection device include multiple water level probes for being assemblied in different heights of water level and with it is multiple
The processor of water level probe connection, the water level probe of multiple heights of water level is initial by the electrical conductivity detected and each water level probe
The capacitance of setting is contrasted；
If the electrical conductivity detected is more than or equal to the electrical conductivity initially set, judge there is water at the water level；
If the electrical conductivity detected is less than the electrical conductivity initially set, judge there is no water at the water level.
Further, the water amount detection device includes the first temperature sensor and the first timing unit, first temperature
Temperature in corresponding kettle when the corresponding water temperature T 1 of start time point that degree sensor detection is begun to warm up is with heating end time point
T2；First timing unit transmits the heat time of record to master control borad；
The master control borad calculates the quality of water in kettle according to energy theorem m=Pt/ (η C Δ T)；
Wherein, P is the power of heating component, and t is heat time section, and η is the efficiency of heating surface, and C is the specific heat capacity of water, and Δ T is
Water temperature difference, Δ T=T2-T1, m are the quality of water.
It is preferred that, the water amount detection device includes second temperature sensor and the second timing unit, second timing
Unit transmits the temperature fall time of record to master control borad, and the second temperature sensor detects the water of cooling initial time point respectively
Warm T1 and cooling end time point water temperature T 2；
The master control borad is according to mass formula m=Σ ηn【(T1-T2)/t】n, calculate the quality of water in kettle；
Wherein ηnIt is the constant that actual insulating pot test is drawn, n is positive integer, and t is temperature fall time, when T1 is that cooling is initial
Between water temperature in the kettle put, T2 be cool end time point kettle in water temperature；
Or, the water amount detection device includes hydraulic pressure intensity, the master in pressure sensor, pressure sensor detection kettle
The hydraulic pressure that control plate is provided with by inside-water relation table search the water amount information of correspondence hydraulic pressure intensity.
Specifically, the master control borad is connected to the mobile terminal of user by wireless signal, and user passes through mobile whole
Hold the control heated or be incubated to insulating pot.
It is preferred that, the insulating pot of computer heating control is carried out by above control method.
The present invention detects function by water in increased kettle, the water in kettle can be detected in real time, when anhydrous in kettle, water
Dryouied or after water is finished down by user, electric kettle can prevent electric kettle dry combustion method reliably into excessive low water level protection program, it is to avoid
Damage or dangerous generation.Insulating pot controls more intelligent and hommization, more improves user's while improving product reliability
Usage experience.
Brief description of the drawings
Using accompanying drawing, the present invention is further illustrated, but the content in accompanying drawing does not constitute any limit to the present invention
System.
Fig. 1 is the system block diagram that a kind of insulating pot of the invention carries kettle thermal-insulation control method.
Fig. 2 is the sectional view of insulating pot kettle body of the present invention.
Fig. 3 is the sectional view of embodiment 2.
Fig. 4 is the sectional view of embodiment 3.
Fig. 5 is the system block diagram of embodiment 4.
Fig. 6 is the system block diagram of embodiment 5.
Fig. 7 is the system block diagram of embodiment 6.
In from Fig. 1 to Fig. 7, including：
1st, kettle body；
2nd, cooling-water temperature sensor；
3rd, master control borad；
4th, heating component；
5th, water amount detection device；
51st, capacitance sensor, 52, water level probe.
Embodiment
The invention will be further described with the following Examples.
Embodiment 1.
As shown in Figure 1-2, a kind of insulating pot carries kettle thermal-insulation control method, and insulating pot is provided with the water being assemblied in kettle body 1
Temperature sensor 2, water amount detection device 5, master control borad 3 and heating component 4, the cooling-water temperature sensor 2 are arranged in kettle, water temperature sensing
Water temperature information in the kettle detected is delivered to master control borad 3 by device 2, and the water amount detection device 5 is defeated by the water amount information detected
Deliver to master control borad 3.
Master control borad 3 is according to water temperature information and water amount information, in the case that water is more than anti-dry threshold value only in kettle, main
The control control of plate 3 heating component 4 is heated to regulate and control water temperature in kettle.
When user lifts under the keeping warm mode of kettle body 1 to be put back to after kettle body 1 is added water, kettle body 1 still in keeping warm mode,
Cooling-water temperature sensor 2 carries out water temperature detection in kettle, and water amount detection device 5 is synchronous to carry out water detection in kettle.
When water temperature is more than anti-dry threshold value less than the water in setting value, and kettle, the control of master control borad 3 heating component 4 is entered
Row heating.
Master control borad 33 carries out comprehensive analysis by carrying out integrated treatment to water temperature information and water amount information to information, most
Operated eventually by master control borad 33.Carry kettle thermal-insulation control method specific as follows,
S1, upper electricity, user's setting holding temperature, and start holding mode.
Water in water temperature in S2, the detection kettle of cooling-water temperature sensor 2, the synchronous detection kettle of water amount detection device 5, when the water detected
Temperature less than setting holding temperature, and water in kettle higher than anti-dry threshold value is allowed when, start heating.
In S3, heating process, when cooling-water temperature sensor 2 is detected water temperature reaches holding temperature in kettle when or water amount detection device
When water is less than anti-dry threshold value in the 5 synchronous kettles detected, then stop heating.
S4, kettle body 1 be in keeping warm mode and in stop heated condition when, judge whether water changes in kettle, if
Water exceedes anti-dry threshold value in kettle, and the control of master control borad 3 heating component 4 is heated；If water is less than anti-dry threshold in kettle
Value, the control heating component 4 of master control borad 3 stops continuing to heat.
Water change can be family toward adding water in kettle in kettle in step S4, and kettle body 1 may exit off kettle seat, can not also be from
Open kettle seat.
The present invention detects function by water in increased kettle, the water in kettle can be detected in real time, when anhydrous in kettle, water
Dryouied or after water is finished down by user, electric kettle can prevent electric kettle dry combustion method reliably into excessive low water level protection program, it is to avoid
Damage or dangerous generation.Insulating pot controls more intelligent and hommization, more improves user's while improving product reliability
Usage experience.
Embodiment 2.
A kind of insulating pot carries kettle thermal-insulation control method, and further feature is same as Example 1, and difference is：Such as Fig. 3 institutes
Show, the water amount detection device 5 include multiple capacitance sensors 51 for being assemblied in different heights of water level and with multiple capacitance sensings
The processor that device 51 is connected, multiple capacitance sensors 51 initially set the capacitance detected and each capacitance sensor 51
Capacitance is contrasted；
If the capacitance that sensor is detected is more than or equal to the corresponding capacitance initially set, judge at the water level
There is water；
If the capacitance that sensor is detected is less than the corresponding capacitance initially set, judge do not have at the water level
Water；
Result of detection is delivered to processor, the extreme higher position that processor will have water by the capacitance sensor 51 at multiple water levels
Height of water level where the capacitance sensor 51 at place is compared with anti-dry height threshold, when the electricity for the highest position for having water
When height of water level where holding sensor 51 is not less than anti-dry height threshold, it is determined as safety level, can heats, otherwise sentence
It is set to non-security water level, it is impossible to heat.
It should be noted that capacitance sensor 51 can be carried out in kettle according to the difference of the capacitance at different water level points
In the detection of water, detection process, because liquid component in kettle is different and influences the result of detection detection will not be made more accurate
Really, reliably.
Embodiment 3.
A kind of insulating pot carries kettle thermal-insulation control method, and further feature is same as Example 1, and difference is：Such as Fig. 4 institutes
Show, the water amount detection device 5 include multiple water level probes 52 for being assemblied in different heights of water level and with multiple water level probes 52
The processor of connection, multiple water level probes 52 enter the capacitance that the electrical conductivity detected is initially set with each water level probe 52
Row contrast；
If the electrical conductivity detected is more than or equal to the electrical conductivity initially set, judge there is water at the water level；
If the electrical conductivity detected is less than the electrical conductivity initially set, judge there is no water at the water level.
It should be noted that using water level probe 52 as detection means in the embodiment, water level information is detected,
The water level information detected is handled by control panel simultaneously, can be according to the electrical conductivity at different water level points not
Together, carry out in the detection of water in kettle, detection process, will not make because liquid component in kettle is different and influences the result of detection
Detection is more accurate, reliably.
Embodiment 4.
A kind of insulating pot carries kettle thermal-insulation control method, and further feature is same as Example 1, and difference is：Such as Fig. 5 institutes
Show, the water amount detection device 5 includes the first temperature sensor and the first timing unit, the first temperature sensor detection is opened
Begin heating when the corresponding water temperature T 1 of start time point and detect in real time heating end time point when corresponding kettle in temperature
T2；First timing unit transmits the heat time of record to master control borad.
The water temperature point in kettle in heating process is detected using the first temperature sensor, master control borad 3 is carried out using water temperature information
Calculating processing draws water in kettle, and the master control borad 3 calculates water in kettle according to energy theorem m=Pt/ (η C Δ T)
Quality.
Wherein, P is the power of heating component 4, and t is heat time section, and η is the efficiency of heating surface, and C is the specific heat capacity of water, and Δ T is
Water temperature difference, Δ T=T2-T1, m are the quality of water.
It should be noted that the detection method, cost is low, and it is simple in construction, without extra increase water detection part.Detection
Reliably, error is small, and is influenceed very little by the temperature of kettle body 1 during heating.Prevent kettle from dryouting, the safety of enhancing insulating pot refers to
Number.
Embodiment 5.
A kind of insulating pot carries kettle thermal-insulation control method, and further feature is same as Example 1, and difference is：Such as Fig. 6 institutes
Show, the water amount detection device 5 includes second temperature sensor and the second timing unit, second timing unit is by record
Temperature fall time is transmitted to master control borad, and the second temperature sensor detects the water temperature T 1 of cooling initial time point and inspection in real time respectively
The water temperature T 2 of the cooling end time point measured；
The water temperature point of temperature-fall period in kettle is detected using second temperature sensor, master control borad 3 is counted using water temperature information
Calculation processing draws water in kettle, and the master control borad 3 is according to mass formula m=Σ ηn【(T1-T2)/t】n, calculate water in kettle
Quality；
Wherein ηnIt is the constant that actual insulating pot test is drawn, n is positive integer, and t is temperature fall time, when T1 is that cooling is initial
Between water temperature in the kettle put, T2 is water temperature in the kettle of the cooling end time point detected in real time.
It should be noted that being influenceed very little by the temperature of kettle body 1 in heating.Prevent kettle from dryouting, enhancing insulating pot
Safety index.
Embodiment 6.
A kind of insulating pot carries kettle thermal-insulation control method, and further feature is same as Example 1, and difference is：Such as Fig. 7 institutes
Show, water amount detection device 5 includes hydraulic pressure intensity in pressure sensor, pressure sensor detection kettle, master control borad 3 is provided with by inside
Hydraulic pressure-water relation table search the water amount information of correspondence hydraulic pressure intensity.
It should be noted that this method is by detecting the pressure value of the water in kettle, and carried out according to hydraulic pressure-water relation table
Search, can facilitate, quickly find out the corresponding water amount information data under the hydraulic pressure, meanwhile, the detection that the present invention is used
Method is relatively reliable, and error is small, will not produce big error because of the composition difference of solution in kettle, not result in misoperation.
So as to improve the precision of water detection.
Embodiment 7.
A kind of insulating pot carries kettle thermal-insulation control method, and further feature is identical with embodiment 1-6, and difference is：Master control
Plate 3 is connected to the mobile terminal of user by wireless signal, what user was heated or was incubated to insulating pot by mobile terminal
Control.
It should be noted that user can also wirelessly be manipulated by mobile terminal to insulating pot, insulating pot is enhanced
Practicality and intelligent, meanwhile, make the user to use and more trust and safety.
Embodiment 8.
A kind of insulating pot carries kettle thermal-insulation control method, and further feature is same as Example 7, and difference is：Master control borad 3
Alarm unit is electrically connected, alarm unit is alarmed according to the water amount information in kettle.
It should be noted that the water amount information in user's kettle can be pointed out by low-water alarm unit, observe user
Water amount information is more directly perceived in kettle, meanwhile, it can timely remind user to carry out reasonable operation.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope, although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should manage
Solution, technical scheme can be modified or equivalent substitution, without departing from technical solution of the present invention essence and
Scope.
Claims (10)
1. a kind of insulating pot carries kettle thermal-insulation control method, it is characterised in that：Insulating pot is provided with the water temperature being assemblied in kettle body and passed
Sensor, water amount detection device, master control borad and heating component, the cooling-water temperature sensor are arranged in kettle, and cooling-water temperature sensor will be detected
To kettle in water temperature information be delivered to master control borad, the water amount information detected is delivered to master control borad by the water amount detection device；
Master control borad is according to water temperature information and water amount information, in the case that water is more than anti-dry threshold value only in kettle, master control borad
Control heating component is heated to regulate and control water temperature in kettle.
2. a kind of insulating pot according to claim 1 carries kettle thermal-insulation control method, it is characterised in that：When user protects in kettle body
Lift under temperature state when being put back to after kettle body is added water, kettle body is still in keeping warm mode, and cooling-water temperature sensor carries out water temperature inspection in kettle
Survey, water amount detection device synchronously carries out water detection in kettle；
When water temperature is more than anti-dry threshold value less than the water in setting value, and kettle, master control borad control heating component is heated.
3. a kind of insulating pot according to claim 2 carries kettle thermal-insulation control method, it is characterised in that：
Carry kettle thermal-insulation control method specific as follows,
S1, upper electricity, user's setting holding temperature, and start holding mode；
Water temperature in S2, cooling-water temperature sensor detection kettle, water amount detection device synchronously detects water in kettle, when the water temperature detected is less than
The holding temperature of setting, and water in kettle higher than anti-dry threshold value is allowed when, start heating；
In S3, heating process, when cooling-water temperature sensor is detected water temperature reaches holding temperature in kettle when or water amount detection device it is synchronous
When water is less than anti-dry threshold value in the kettle detected, then stop heating；
S4, kettle body be in keeping warm mode and in stop heated condition when, judge whether water changes in kettle, if water in kettle
Amount exceedes anti-dry threshold value, and master control borad control heating component is heated；If water is less than anti-dry threshold value, master control borad in kettle
Heating component is controlled to stop continuing to heat.
4. a kind of insulating pot according to claim 3 carries kettle thermal-insulation control method, it is characterised in that：Anti-dry threshold value and kettle
The corresponding position of interior height of water level is defined as anti-dry height threshold.
5. a kind of insulating pot according to claim 4 carries kettle thermal-insulation control method, it is characterised in that：
The water amount detection device include multiple capacitance sensors for being assemblied in different heights of water level and with multiple capacitance sensors
The processor of connection, multiple capacitance sensors enter the capacitance that the capacitance detected is initially set with each capacitance sensor
Row contrast；
If the capacitance that sensor is detected is more than or equal to the corresponding capacitance initially set, judge have at the water level
Water；
If the capacitance that sensor is detected is less than the corresponding capacitance initially set, judge there is no water at the water level；
Result of detection is delivered to processor by capacitance sensor at multiple water levels, and processor is by the electricity for the highest position for having water
Height of water level where holding sensor is compared with anti-dry height threshold, when the capacitance sensor for the highest position for having water
When the height of water level at place is not less than anti-dry height threshold, it is determined as safety level, can heats, is otherwise determined as non-security
Water level, it is impossible to heat.
6. a kind of insulating pot according to claim 4 carries kettle thermal-insulation control method, it is characterised in that：
The water amount detection device is assemblied in the water level probe of different heights of water level and is connected with multiple water level probes including multiple
Processor, multiple water level probes are contrasted the capacitance that the electrical conductivity detected is initially set with each water level probe；
If the electrical conductivity detected is more than or equal to the electrical conductivity initially set, judge there is water at the water level；
If the electrical conductivity detected is less than the electrical conductivity initially set, judge there is no water at the water level.
7. a kind of insulating pot according to claim 4 carries kettle thermal-insulation control method, it is characterised in that：The water amount detection device
Put including the first temperature sensor and the first timing unit, initial time when the first temperature sensor detection is begun to warm up
Temperature T2 in the corresponding water temperature T 1 of point and the corresponding kettle of heat time point detected in real time；First timing unit will be recorded
Heat time transmit to master control borad；
The master control borad calculates the quality of water in kettle according to energy theorem m=Pt/ (η C Δ T)；
Wherein, P is the power of heating component, and t is heat time section, and η is the efficiency of heating surface, and C is the specific heat capacity of water, and Δ T is water temperature
Difference, Δ T=T2-T1, m are the quality of water.
8. a kind of insulating pot according to claim 4 carries kettle thermal-insulation control method, it is characterised in that：The water amount detection device
Put including second temperature sensor and the second timing unit, second timing unit transmits the temperature fall time of record to master control
Plate, the cooling end time that the second temperature sensor detects the water temperature T 1 of cooling initial time point and detected in real time respectively
The water temperature T 2 of point；
The master control borad is according to mass formula m=Σ ηn【(T1-T2)/t】n, calculate the quality of water in kettle；
Wherein ηnIt is the constant that actual insulating pot test is drawn, n is positive integer, and t is temperature fall time, and T1 is cooling initial time point
Kettle in water temperature, T2 be cool end time point kettle in water temperature；
Or, the water amount detection device includes hydraulic pressure intensity, the master control borad in pressure sensor, pressure sensor detection kettle
The hydraulic pressure being provided with by inside-water relation table search the water amount information of correspondence hydraulic pressure intensity.
9. a kind of insulating pot according to claim 1-8 any one carries kettle thermal-insulation control method, it is characterised in that：It is described
Master control borad is connected to the mobile terminal of user by wireless signal, and user is heated or is incubated to insulating pot by mobile terminal
Control.
10. a kind of insulating pot, it is characterised in that：Heating control is carried out by the control method of such as claim 1 to 9 any one
System.
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| CN201710518653.2A CN107087984A (en) | 2017-06-30 | 2017-06-30 | A kind of insulating pot carries kettle thermal-insulation control method |
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| CN201710518653.2A CN107087984A (en) | 2017-06-30 | 2017-06-30 | A kind of insulating pot carries kettle thermal-insulation control method |
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Cited By (6)
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| CN107450624A (en) * | 2017-09-04 | 2017-12-08 | 浙江绍兴苏泊尔生活电器有限公司 | Electric kettle |
| CN110269510A (en) * | 2019-07-18 | 2019-09-24 | 陈毅强 | A kind of electric kettle with water level detecting function |
| CN110419945A (en) * | 2019-07-11 | 2019-11-08 | 珠海格力电器股份有限公司 | The control circuit and electric kettle of electric kettle |
| CN112015092A (en) * | 2019-05-29 | 2020-12-01 | 广东美的生活电器制造有限公司 | Control method, control device, control equipment and computer storage medium |
| CN112015091A (en) * | 2019-05-29 | 2020-12-01 | 广东美的生活电器制造有限公司 | Control method, control device, control equipment and computer storage medium |
| CN113017414A (en) * | 2021-04-26 | 2021-06-25 | 新东海(佛山)五金电器制造有限公司 | Intelligent water boiling method for filter kettle and intelligent filter kettle |
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| CN110269510A (en) * | 2019-07-18 | 2019-09-24 | 陈毅强 | A kind of electric kettle with water level detecting function |
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