CN107692813A - Voltage-limiting protection method and device, pressure cooking appliance - Google Patents
Voltage-limiting protection method and device, pressure cooking appliance Download PDFInfo
- Publication number
- CN107692813A CN107692813A CN201610513333.3A CN201610513333A CN107692813A CN 107692813 A CN107692813 A CN 107692813A CN 201610513333 A CN201610513333 A CN 201610513333A CN 107692813 A CN107692813 A CN 107692813A
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- Prior art keywords
- temperature
- voltage
- cooking appliance
- pressure cooking
- pressure
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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
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
-
- 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
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
-
- 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
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
-
- 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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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The present invention proposes a kind of voltage-limiting protection method, a kind of protective arrangement for limiting output voltage and a kind of pressure cooking appliance, and the pressure cooking appliance includes：Float, the voltage-limiting protection method include：Detect whether the float floats；When detecting that the float floats, the fiducial temperature in the pressure cooking appliance is recorded；Voltage-limiting protection temperature is calculated according to the fiducial temperature, the voltage-limiting protection temperature is more than the fiducial temperature；Computer heating control is carried out to the pressure cooking appliance according to the voltage-limiting protection temperature.By technical scheme, the validity and stability of voltage-limiting protection can be improved, and then improves the product safety in utilization of pressure cooking appliance, lifts the usage experience of user.
Description
Technical field
The present invention relates to household electrical appliance technical field, in particular to a kind of voltage-limiting protection method,
A kind of protective arrangement for limiting output voltage and a kind of pressure cooking appliance.
Background technology
At present, pressure cooking appliance, such as electric pressure cooking saucepan, its voltage-limiting protection is using the pressure limiting of machinery
Release pressure is exhausted in device (such as weight), or is combined the mode being controlled with software
(for example temperature in use sensor sets a fixed pressure limiting temperature spot).
But both the above mode has the shortcomings that its is fatal, for the pressure limiting device side using machinery
Formula, if user boils easily stifled food (such as seaweed) using the pressure cooking appliance, then the pressure
The exhaust plug of cooking apparatus is easy to be blocked, so as to cause the pressure limiting device to fail；And for adopting
The mode being controlled is combined with software, although the temperature in pressure cooking appliance exists with pressure
Positively related relation, but due to the different relation of the height above sea level using pressure cooking appliance, even if
Same temperature, the interior pressure in high altitude localities of pressure cooking appliance are produced in pressure cooking appliance
More than the pressure of low altitude area, therefore the program also has limitation.
Therefore, how to solve the defects of existing voltage-limiting protection scheme, improve the validity of voltage-limiting protection
And stability, and then the product safety in utilization of pressure cooking appliance is improved, lift user uses body
Test, turn into technical problem urgently to be resolved hurrily.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of voltage-limiting protection method, pressure limiting can be improved
The validity and stability of protection, and then the product safety in utilization of pressure cooking appliance is improved, lifting
The usage experience of user.
It is another object of the present invention to propose a kind of protective arrangement for limiting output voltage and filled with the voltage-limiting protection
The pressure cooking appliance put.
To realize above-mentioned at least one purpose, embodiment according to the first aspect of the invention, it is proposed that
A kind of voltage-limiting protection method, the pressure cooking appliance include：Float, the voltage-limiting protection method bag
Include：Detect whether the float floats；When detecting that the float floats, the pressure cooking is recorded
Fiducial temperature in utensil；Voltage-limiting protection temperature, the voltage-limiting protection temperature are calculated according to the fiducial temperature
Degree is more than the fiducial temperature；The pressure cooking appliance is heated according to the voltage-limiting protection temperature
Control.
Voltage-limiting protection method according to an embodiment of the invention, by the float for detecting pressure cooking appliance
Whether the temperature control point that determines carry out voltage-limiting protection is floated, i.e., the liquid boiling in pressure cooking appliance
Determine to carry out the temperature of voltage-limiting protection when rising, before the mechanical pressure limiting device action of pressure cooking appliance
Control point is spent, the exhaust plug due to easy stifled food retaining pressure cooking apparatus can be avoided to cause pressure limiting
Failure of apparatus and voltage-limiting protection can not be played a part of, and then when detecting that float floats, record this
When fiducial temperature, to calculate the voltage-limiting protection temperature more than the fiducial temperature in pressure cooking appliance
Degree, so as to carry out computer heating control to pressure cooking appliance according to the voltage-limiting protection temperature, make pressure cooking
Pressure in utensil does not continue to rise, and reaches the purpose of voltage-limiting protection, in this way, can solve with it is soft
One fixed pressure limiting temperature spot is set in the mode that part is combined due to the height above sea level using product
The problem of difference causes to carry out the temperature control point difference of voltage-limiting protection, improve the effective of voltage-limiting protection
Property and stability, and then the product safety in utilization of pressure cooking appliance is improved, lift making for user
With experience.
In this embodiment, the pressure cooking appliance corresponding to fiducial temperature recorded when float floats
Interior pressure is about the pressure that pressure limiting device characteristic is limited, i.e. P=mg/S, wherein, P represents pressure
Pressure in pressure cooking apparatus, m represent the quality of pressure limiting device.G represents acceleration of gravity, S generations
Table exhaust plug hole area.
Voltage-limiting protection method according to the abovementioned embodiments of the present invention, there can also be following technology special
Sign：
According to one embodiment of present invention, the voltage-limiting protection temperature is the fiducial temperature with limiting in advance
Press temperature sum.
In this embodiment, the calculating side of pressure limiting temperature is preset by being added on the basis of fiducial temperature
Formula determines the voltage-limiting protection temperature of pressure cooking appliance, wherein, the span of default pressure limiting temperature is
More than or equal to 10 DEG C and less than or equal to 30 DEG C.
In this embodiment, because when float floats, the pressure in pressure cooking appliance is about pressure limiting
Relating to parameters of the size of the pressure that equipment energy characteristic is limited, i.e. pressure only with pressure limiting device in itself, and
It will not be influenceed by height above sea level, then, using the now temperature in pressure cooking appliance as benchmark
Temperature, it will not be influenceed by height above sea level；And after float floats, pressure cooking appliance still can
Working condition in heating, then the temperature and pressure in it can still raise, then be used for pressure
The voltage-limiting protection temperature that cooking apparatus is protected should be taken more than the fiducial temperature, i.e., in the fiducial temperature
On the basis of increase default pressure limiting temperature and obtain voltage-limiting protection temperature, then the voltage-limiting protection temperature is not equally
Influenceed by height above sea level, and then pressure limiting guarantor is carried out to pressure cooking appliance according to the voltage-limiting protection temperature
Shield, avoids causing pressure cooking appliance unnecessary damage.
According to one embodiment of present invention, it is described according to the voltage-limiting protection temperature to the pressure cooking
Utensil carries out computer heating control, specifically includes：Judge whether the temperature in the pressure cooking appliance is more than institute
State voltage-limiting protection temperature；When the temperature in the judgement pressure cooking appliance is more than the voltage-limiting protection temperature
When, the pressure cooking appliance is heated according to the first default heated condition, to carry out pressure limiting guarantor
Shield.
In this embodiment, when the voltage-limiting protection temperature for calculating pressure cooking appliance, and according to the limit
When pressure protection temperature carries out computer heating control to the pressure cooking appliance, specifically, the real-time judge pressure
Whether the temperature in cooking apparatus is more than the voltage-limiting protection temperature, and when judged result is to be, according to
First default heated condition heats to pressure cooking appliance, to ensure the pressure in pressure cooking appliance
Power does not continue to rise, and reaches the purpose of voltage-limiting protection, wherein, the first default heated condition is preferably
To stop heated condition or keeping warm mode.
According to one embodiment of present invention, before whether the detection float floats, also wrap
Include：Start according to the second default heated condition and the pressure cooking appliance is heated；When the pressure
When temperature in cooking apparatus reaches preset temperature, according to the 3rd default heated condition to the pressure cooking
Utensil is heated；And after the calculating voltage-limiting protection temperature according to the fiducial temperature, according to
4th default heated condition heats to the pressure cooking appliance.
In this embodiment, when pressure cooking appliance starts work and whether floats it in detection float
Before, it is first according to the second default heated condition startup and pressure cooking appliance is heated, so that pressure
Constant temperature in cooking apparatus rises, and then the temperature in pressure cooking appliance reaches preset temperature
When pressure cooking appliance is heated according to the 3rd default heated condition so that in pressure cooking appliance
Liquid boiling, float float, wherein, the second default heated condition is different from the first default heating shape
State, can preferably be high-power heated condition, and to be different from second pre- for the 3rd default heated condition
If heated condition, it can preferably be and stop heated condition, low-power heating state or keeping warm mode.
In addition, in this embodiment, calculated according to the fiducial temperature recorded in pressure cooking appliance
Go out after voltage-limiting protection temperature, can continue to enter pressure cooking appliance according to the 4th default heated condition
Row heating so that the Pressure/Temperature in pressure cooking appliance continues to rise, wherein, the 4th it is default plus
Warm status is different from the second default heated condition, can preferably be low-power heating state.
According to one embodiment of present invention, when being not detected by the float and floating, according to default pressure limiting
Temperature is protected to carry out computer heating control to the pressure cooking appliance.
Voltage-limiting protection method according to an embodiment of the invention, when by detecting the floating of pressure cooking appliance
Whether son floats when determining to carry out the temperature control point of voltage-limiting protection, during solving product use
The problem of float floats detection exception and can not obtain fiducial temperature, can be by setting in product export
A default voltage-limiting protection temperature is put, pressure cooking appliance is entered with presetting voltage-limiting protection temperature according to this
Row computer heating control, wherein, the span of the default voltage-limiting protection temperature is more than or equal to 110 DEG C
And less than or equal to 130 DEG C, specifically, when the temperature in judgement pressure cooking appliance is default more than this
During voltage-limiting protection temperature, pressure cooking appliance is heated according to the first default heated condition, with true
Pressure in pressurize pressure cooking apparatus does not continue to rise, and reaches the purpose of voltage-limiting protection.
According to one embodiment of present invention, when getting new fiducial temperature, described in having recorded
Fiducial temperature replaces with the new fiducial temperature, to calculate the pressure limiting according to the new fiducial temperature
Protect temperature.
Voltage-limiting protection method according to an embodiment of the invention, use pressure cooking appliance and acquisition every time
During to the new fiducial temperature different from the fiducial temperature of previous record, storage is replaced, using new
Fiducial temperature calculate the voltage-limiting protection temperature of product, to improve the validity of voltage-limiting protection and stably
Property, and then the product safety in utilization of pressure cooking appliance is improved, lift the usage experience of user.
Embodiment according to the second aspect of the invention, it is proposed that a kind of protective arrangement for limiting output voltage, the pressure
Cooking apparatus includes：Float, the protective arrangement for limiting output voltage include：Detection module, it is described floating for detecting
Whether son floats；Memory module, for when the detection module detects that the float floats, recording
Fiducial temperature in the pressure cooking appliance；Computing module, limited for being calculated according to the fiducial temperature
Pressure protection temperature, the voltage-limiting protection temperature are more than the fiducial temperature；Control module, for according to institute
State the voltage-limiting protection temperature that computing module is calculated and heating control is carried out to the pressure cooking appliance
System.
Protective arrangement for limiting output voltage according to an embodiment of the invention, by the float for detecting pressure cooking appliance
Whether the temperature control point that determines carry out voltage-limiting protection is floated, i.e., the liquid boiling in pressure cooking appliance
Determine to carry out the temperature of voltage-limiting protection when rising, before the mechanical pressure limiting device action of pressure cooking appliance
Control point is spent, the exhaust plug due to easy stifled food retaining pressure cooking apparatus can be avoided to cause pressure limiting
Failure of apparatus and voltage-limiting protection can not be played a part of, and then when detecting that float floats, record this
When fiducial temperature, to calculate the voltage-limiting protection temperature more than the fiducial temperature in pressure cooking appliance
Degree, so as to carry out computer heating control to pressure cooking appliance according to the voltage-limiting protection temperature, make pressure cooking
Pressure in utensil does not continue to rise, and reaches the purpose of voltage-limiting protection, in this way, can solve with it is soft
One fixed pressure limiting temperature spot is set in the mode that part is combined due to the height above sea level using product
The problem of difference causes to carry out the temperature control point difference of voltage-limiting protection, improve the effective of voltage-limiting protection
Property and stability, and then the product safety in utilization of pressure cooking appliance is improved, lift making for user
With experience.
In this embodiment, the pressure cooking appliance corresponding to fiducial temperature recorded when float floats
Interior pressure is about the pressure that pressure limiting device characteristic is limited, i.e. P=mg/S, wherein, P represents pressure
Pressure in pressure cooking apparatus, m represent the quality of pressure limiting device.G represents acceleration of gravity, S generations
Table exhaust plug hole area.
Protective arrangement for limiting output voltage according to the abovementioned embodiments of the present invention, there can also be following technology special
Sign：
According to one embodiment of present invention, the voltage-limiting protection temperature is the fiducial temperature with limiting in advance
Press temperature sum.
In this embodiment, the calculating side of pressure limiting temperature is preset by being added on the basis of fiducial temperature
Formula determines the voltage-limiting protection temperature of pressure cooking appliance, wherein, the span of default pressure limiting temperature is
More than or equal to 10 DEG C and less than or equal to 30 DEG C.
In this embodiment, because when float floats, the pressure in pressure cooking appliance is about pressure limiting
Relating to parameters of the size of the pressure that equipment energy characteristic is limited, i.e. pressure only with pressure limiting device in itself, and
It will not be influenceed by height above sea level, then, using the now temperature in pressure cooking appliance as benchmark
Temperature, it will not be influenceed by height above sea level；And after float floats, pressure cooking appliance still can
Working condition in heating, then the temperature and pressure in it can still raise, then be used for pressure
The voltage-limiting protection temperature that cooking apparatus is protected should be taken more than the fiducial temperature, i.e., in the fiducial temperature
On the basis of increase default pressure limiting temperature and obtain voltage-limiting protection temperature, then the voltage-limiting protection temperature is not equally
Influenceed by height above sea level, and then pressure limiting guarantor is carried out to pressure cooking appliance according to the voltage-limiting protection temperature
Shield, avoids causing pressure cooking appliance unnecessary damage.
According to one embodiment of present invention, the control module specifically includes：Judging submodule, it is used for
Judge whether the temperature in the pressure cooking appliance is more than the voltage-limiting protection temperature；Control submodule,
For judging that the temperature in the pressure cooking appliance is more than the voltage-limiting protection temperature when the judging submodule
When spending, control and the pressure cooking appliance is heated according to the first default heated condition, to be limited
Pressure protection.
In this embodiment, when the voltage-limiting protection temperature for calculating pressure cooking appliance, and according to the limit
When pressure protection temperature carries out computer heating control to the pressure cooking appliance, specifically, the real-time judge pressure
Whether the temperature in cooking apparatus is more than the voltage-limiting protection temperature, and when judged result is to be, according to
First default heated condition heats to pressure cooking appliance, to ensure the pressure in pressure cooking appliance
Power does not continue to rise, and reaches the purpose of voltage-limiting protection, wherein, the first default heated condition is preferably
To stop heated condition or keeping warm mode.
According to one embodiment of present invention, the control module is additionally operable to：Detected in the detection module
Before whether the float floats, control and start according to the second default heated condition to the pressure cooking device
Tool is heated；When the temperature in the pressure cooking appliance reaches preset temperature, control according to the 3rd
Default heated condition heats to the pressure cooking appliance；And in the computing module according to
After fiducial temperature calculates voltage-limiting protection temperature, control and the pressure is cooked according to the 4th default heated condition
Utensil of preparing food is heated.
In this embodiment, when pressure cooking appliance starts work and whether floats it in detection float
Before, it is first according to the second default heated condition startup and pressure cooking appliance is heated, so that pressure
Constant temperature in cooking apparatus rises, and then the temperature in pressure cooking appliance reaches preset temperature
When pressure cooking appliance is heated according to the 3rd default heated condition so that in pressure cooking appliance
Liquid boiling, float float, wherein, the second default heated condition is different from the first default heating shape
State, can preferably be high-power heated condition, and to be different from second pre- for the 3rd default heated condition
If heated condition, it can preferably be and stop heated condition, low-power heating state or keeping warm mode.
In addition, in this embodiment, calculated according to the fiducial temperature recorded in pressure cooking appliance
Go out after voltage-limiting protection temperature, can continue to enter pressure cooking appliance according to the 4th default heated condition
Row heating so that the Pressure/Temperature in pressure cooking appliance continues to rise, wherein, the 4th it is default plus
Warm status is different from the second default heated condition, can preferably be low-power heating state.
According to one embodiment of present invention, the control module is additionally operable to：When the detection module is not examined
When measuring the float and floating, the pressure cooking appliance is heated according to default voltage-limiting protection temperature
Control.
Protective arrangement for limiting output voltage according to an embodiment of the invention, when by detecting the floating of pressure cooking appliance
Whether son floats when determining to carry out the temperature control point of voltage-limiting protection, during solving product use
The problem of float floats detection exception and can not obtain fiducial temperature, can be by setting in product export
A default voltage-limiting protection temperature is put, pressure cooking appliance is entered with presetting voltage-limiting protection temperature according to this
Row computer heating control, wherein, the span of the default voltage-limiting protection temperature is more than or equal to 110 DEG C
And less than or equal to 130 DEG C, specifically, when the temperature in judgement pressure cooking appliance is default more than this
During voltage-limiting protection temperature, pressure cooking appliance is heated according to the first default heated condition, with true
Pressure in pressurize pressure cooking apparatus does not continue to rise, and reaches the purpose of voltage-limiting protection.
According to one embodiment of present invention, the memory module is additionally operable to：Getting new benchmark temperature
When spending, the fiducial temperature recorded is replaced with into the new fiducial temperature, with according to described new
Fiducial temperature calculates the voltage-limiting protection temperature.
Protective arrangement for limiting output voltage according to an embodiment of the invention, use pressure cooking appliance and acquisition every time
During to the new fiducial temperature different from the fiducial temperature of previous record, storage is replaced, using new
Fiducial temperature calculate the voltage-limiting protection temperature of product, to improve the validity of voltage-limiting protection and stably
Property, and then the product safety in utilization of pressure cooking appliance is improved, lift the usage experience of user.
Embodiment according to the third aspect of the invention we, it is proposed that a kind of pressure cooking appliance, including：Such as
Protective arrangement for limiting output voltage any one of above-described embodiment.
The additional aspect and advantage of the present invention will be set forth in part in the description, partly will be from following
Description in become obvious, or by the present invention practice recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is retouched from reference to accompanying drawings below to embodiment
It will be apparent and be readily appreciated that in stating, wherein：
Fig. 1 shows the flow signal of voltage-limiting protection method according to first embodiment of the invention
Figure；
Fig. 2 shows that the flow of the voltage-limiting protection method of second embodiment according to the present invention is illustrated
Figure；
Fig. 3 shows the schematic block diagram of protective arrangement for limiting output voltage according to first embodiment of the invention；
Fig. 4 shows the schematic block diagram of the protective arrangement for limiting output voltage of second embodiment according to the present invention；
Fig. 5 shows that the flow of the voltage-limiting protection method of the 3rd embodiment according to the present invention is illustrated
Figure.
Embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, with reference to attached
The present invention is further described in detail for figure and embodiment.It should be noted that not
In the case of conflict, the feature in embodiments herein and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still,
The present invention can also be different from other modes described here to implement using other, therefore, the present invention
Protection domain do not limited by following public specific embodiment.
Technical scheme is described in detail with reference to Fig. 1 and Fig. 2.
Fig. 1 shows the flow signal of voltage-limiting protection method according to first embodiment of the invention
Figure.
Fig. 2 shows that the flow of the voltage-limiting protection method of second embodiment according to the present invention is illustrated
Figure.
As shown in figure 1, voltage-limiting protection method according to first embodiment of the invention, the pressure
Cooking apparatus includes：Float, the voltage-limiting protection method include：Step 102, the float is detected
Whether float；Step 104, when detecting that the float floats, the pressure cooking appliance is recorded
Interior fiducial temperature；Step 106, voltage-limiting protection temperature, the limit are calculated according to the fiducial temperature
Pressure protection temperature is more than the fiducial temperature；Step 108, according to the voltage-limiting protection temperature to described
Pressure cooking appliance carries out computer heating control.
Voltage-limiting protection method according to an embodiment of the invention, by the float for detecting pressure cooking appliance
Whether the temperature control point that determines carry out voltage-limiting protection is floated, i.e., the liquid boiling in pressure cooking appliance
Determine to carry out the temperature of voltage-limiting protection when rising, before the mechanical pressure limiting device action of pressure cooking appliance
Control point is spent, the exhaust plug due to easy stifled food retaining pressure cooking apparatus can be avoided to cause pressure limiting
Failure of apparatus and voltage-limiting protection can not be played a part of, and then when detecting that float floats, record this
When fiducial temperature, to calculate the voltage-limiting protection temperature more than the fiducial temperature in pressure cooking appliance
Degree, so as to carry out computer heating control to pressure cooking appliance according to the voltage-limiting protection temperature, make pressure cooking
Pressure in utensil does not continue to rise, and reaches the purpose of voltage-limiting protection, in this way, can solve with it is soft
One fixed pressure limiting temperature spot is set in the mode that part is combined due to the height above sea level using product
The problem of difference causes to carry out the temperature control point difference of voltage-limiting protection, improve the effective of voltage-limiting protection
Property and stability, and then the product safety in utilization of pressure cooking appliance is improved, lift making for user
With experience.
In this embodiment, the pressure cooking appliance corresponding to fiducial temperature recorded when float floats
Interior pressure is about the pressure that pressure limiting device characteristic is limited, i.e. P=mg/S, wherein, P represents pressure
Pressure in pressure cooking apparatus, m represent the quality of pressure limiting device.G represents acceleration of gravity, S generations
Table exhaust plug hole area.
The calculating of step 106 can be realized by following examples：The voltage-limiting protection temperature is described
Fiducial temperature and default pressure limiting temperature sum.
In this embodiment, the calculating side of pressure limiting temperature is preset by being added on the basis of fiducial temperature
Formula determines the voltage-limiting protection temperature of pressure cooking appliance, wherein, the span of default pressure limiting temperature is
More than or equal to 10 DEG C and less than or equal to 30 DEG C.
In this embodiment, because when float floats, the pressure in pressure cooking appliance is about pressure limiting
Relating to parameters of the size of the pressure that equipment energy characteristic is limited, i.e. pressure only with pressure limiting device in itself, and
It will not be influenceed by height above sea level, then, using the now temperature in pressure cooking appliance as benchmark
Temperature, it will not be influenceed by height above sea level；And after float floats, pressure cooking appliance still can
Working condition in heating, then the temperature and pressure in it can still raise, then be used for pressure
The voltage-limiting protection temperature that cooking apparatus is protected should be taken more than the fiducial temperature, i.e., in the fiducial temperature
On the basis of increase default pressure limiting temperature and obtain voltage-limiting protection temperature, then the voltage-limiting protection temperature is not equally
Influenceed by height above sea level, and then pressure limiting guarantor is carried out to pressure cooking appliance according to the voltage-limiting protection temperature
Shield, avoids causing pressure cooking appliance unnecessary damage.
According to one embodiment of present invention, the step 108 specifically includes as shown in Figure 2：Step
Rapid 1082, judge whether the temperature in the pressure cooking appliance is more than the voltage-limiting protection temperature, and
Step 1084 is performed when being judged to being；Step 1084, according to the first default heated condition to the pressure
Cooking apparatus is heated, to carry out voltage-limiting protection.
In this embodiment, when the voltage-limiting protection temperature for calculating pressure cooking appliance, and according to the limit
When pressure protection temperature carries out computer heating control to the pressure cooking appliance, specifically, the real-time judge pressure
Whether the temperature in cooking apparatus is more than the voltage-limiting protection temperature, and when judged result is to be, according to
First default heated condition heats to pressure cooking appliance, to ensure the pressure in pressure cooking appliance
Power does not continue to rise, and reaches the purpose of voltage-limiting protection, wherein, the first default heated condition is preferably
To stop heated condition or keeping warm mode.
According to one embodiment of present invention, also include as shown in Figure 2 before the step 102：
Step 100, start according to the second default heated condition and the pressure cooking appliance is heated；Step
101, when the temperature in the pressure cooking appliance reaches preset temperature, according to the 3rd default heated condition
The pressure cooking appliance is heated；And after step 106, in addition to as shown in Figure 2
Step 107, the pressure cooking appliance is heated according to the 4th default heated condition.
In this embodiment, when pressure cooking appliance starts work and whether floats it in detection float
Before, it is first according to the second default heated condition startup and pressure cooking appliance is heated, so that pressure
Constant temperature in cooking apparatus rises, and then the temperature in pressure cooking appliance reaches preset temperature
When pressure cooking appliance is heated according to the 3rd default heated condition so that in pressure cooking appliance
Liquid boiling, float float, wherein, the second default heated condition is different from the first default heating shape
State, can preferably be high-power heated condition, and to be different from second pre- for the 3rd default heated condition
If heated condition, it can preferably be and stop heated condition, low-power heating state or keeping warm mode.
In addition, in this embodiment, calculated according to the fiducial temperature recorded in pressure cooking appliance
Go out after voltage-limiting protection temperature, can continue to enter pressure cooking appliance according to the 4th default heated condition
Row heating so that the Pressure/Temperature in pressure cooking appliance continues to rise, wherein, the 4th it is default plus
Warm status is different from the second default heated condition, can preferably be low-power heating state.
According to one embodiment of present invention, when being not detected by the float and floating, i.e., described step
When 102 testing result is no, the pressure cooking appliance is added according to default voltage-limiting protection temperature
Thermal control.
Voltage-limiting protection method according to an embodiment of the invention, when by detecting the floating of pressure cooking appliance
Whether son floats when determining to carry out the temperature control point of voltage-limiting protection, during solving product use
The problem of float floats detection exception and can not obtain fiducial temperature, can be by setting in product export
A default voltage-limiting protection temperature is put, pressure cooking appliance is entered with presetting voltage-limiting protection temperature according to this
Row computer heating control, wherein, the span of the default voltage-limiting protection temperature is more than or equal to 110 DEG C
And less than or equal to 130 DEG C, specifically, step 105 as shown in Figure 2 is performed, judge the pressure
Whether the temperature in pressure cooking apparatus is more than default voltage-limiting protection temperature, and when judgement pressure cooking appliance
When interior temperature is more than the default voltage-limiting protection temperature, step 1084 is performed, presets and adds according to first
Warm status heats to pressure cooking appliance, is not continued to the pressure ensured in pressure cooking appliance
Rise, reach the purpose of voltage-limiting protection.
According to one embodiment of present invention, when getting new fiducial temperature, described in having recorded
Fiducial temperature replaces with the new fiducial temperature, to calculate the pressure limiting according to the new fiducial temperature
Protect temperature.
Voltage-limiting protection method according to an embodiment of the invention, use pressure cooking appliance and acquisition every time
During to the new fiducial temperature different from the fiducial temperature of previous record, storage is replaced, using new
Fiducial temperature calculate the voltage-limiting protection temperature of product, to improve the validity of voltage-limiting protection and stably
Property, and then the product safety in utilization of pressure cooking appliance is improved, lift the usage experience of user.
Fig. 3 shows the schematic block diagram of protective arrangement for limiting output voltage according to first embodiment of the invention.
As shown in figure 3, protective arrangement for limiting output voltage 300 according to first embodiment of the invention, described
Pressure cooking appliance includes：Float, the protective arrangement for limiting output voltage 300 include：Detection module 302,
Memory module 304, computing module 306 and control module 308.
Wherein, detection module 302, for detecting whether the float floats；Memory module 304, use
In when the detection module 302 detects that the float floats, record in the pressure cooking appliance
Fiducial temperature；Computing module 306, it is described for calculating voltage-limiting protection temperature according to the fiducial temperature
Voltage-limiting protection temperature is more than the fiducial temperature；Control module 308, for according to the computing module 306
The voltage-limiting protection temperature being calculated carries out computer heating control to the pressure cooking appliance.
Limited-voltage control submodule 300 according to an embodiment of the invention, by detecting pressure cooking appliance
Float whether float determine carry out voltage-limiting protection temperature control point, i.e., in pressure cooking appliance
Determine to carry out pressure limiting guarantor during liquid boiling, before the mechanical pressure limiting device action of pressure cooking appliance
The temperature control point of shield, the exhaust plug due to easy stifled food retaining pressure cooking apparatus can be avoided to lead
Pressure limiting device is caused to fail to play a part of voltage-limiting protection, and then when detecting that float floats,
The fiducial temperature of record now, to calculate the pressure limiting more than the fiducial temperature in pressure cooking appliance
Temperature is protected, so as to carry out computer heating control to pressure cooking appliance according to the voltage-limiting protection temperature, makes pressure
Pressure in pressure cooking apparatus does not continue to rise, and reaches the purpose of voltage-limiting protection, in this way, can solve
Certainly with setting a fixed pressure limiting temperature spot in the mode that software is combined due to the height above sea level using product
The problem of difference of height causes to carry out the temperature control point difference of voltage-limiting protection, improve voltage-limiting protection
Validity and stability, and then improve the product safety in utilization of pressure cooking appliance, lifting is used
The usage experience at family.
In this embodiment, the pressure cooking appliance corresponding to fiducial temperature recorded when float floats
Interior pressure is about the pressure that pressure limiting device characteristic is limited, i.e. P=mg/S, wherein, P represents pressure
Pressure in pressure cooking apparatus, m represent the quality of pressure limiting device.G represents acceleration of gravity, S generations
Table exhaust plug hole area.
Limited-voltage control submodule 300 according to the abovementioned embodiments of the present invention, there can also be following skill
Art feature：
According to one embodiment of present invention, the voltage-limiting protection temperature is the fiducial temperature with limiting in advance
Press temperature sum.
In this embodiment, the calculating side of pressure limiting temperature is preset by being added on the basis of fiducial temperature
Formula determines the voltage-limiting protection temperature of pressure cooking appliance, wherein, the span of default pressure limiting temperature is
More than or equal to 10 DEG C and less than or equal to 30 DEG C.
In this embodiment, because when float floats, the pressure in pressure cooking appliance is about pressure limiting
Relating to parameters of the size of the pressure that equipment energy characteristic is limited, i.e. pressure only with pressure limiting device in itself, and
It will not be influenceed by height above sea level, then, using the now temperature in pressure cooking appliance as benchmark
Temperature, it will not be influenceed by height above sea level；And after float floats, pressure cooking appliance still can
Working condition in heating, then the temperature and pressure in it can still raise, then be used for pressure
The voltage-limiting protection temperature that cooking apparatus is protected should be taken more than the fiducial temperature, i.e., in the fiducial temperature
On the basis of increase default pressure limiting temperature and obtain voltage-limiting protection temperature, then the voltage-limiting protection temperature is not equally
Influenceed by height above sea level, and then pressure limiting guarantor is carried out to pressure cooking appliance according to the voltage-limiting protection temperature
Shield, avoids causing pressure cooking appliance unnecessary damage.
According to one embodiment of present invention, the control module 308 specifically includes：Judging submodule
3082 and control submodule 3084.
Wherein, whether judging submodule 3082, the temperature for judging in the pressure cooking appliance are more than
The voltage-limiting protection temperature；Control submodule 3084, for judging institute when the judging submodule 3082
When stating the temperature in pressure cooking appliance and being more than the voltage-limiting protection temperature, control according to the first default heating
State heats to the pressure cooking appliance, to carry out voltage-limiting protection.
In this embodiment, when the voltage-limiting protection temperature for calculating pressure cooking appliance, and according to the limit
When pressure protection temperature carries out computer heating control to the pressure cooking appliance, specifically, the real-time judge pressure
Whether the temperature in cooking apparatus is more than the voltage-limiting protection temperature, and when judged result is to be, according to
First default heated condition heats to pressure cooking appliance, to ensure the pressure in pressure cooking appliance
Power does not continue to rise, and reaches the purpose of voltage-limiting protection, wherein, the first default heated condition is preferably
To stop heated condition or keeping warm mode.
According to one embodiment of present invention, the control module 308 is additionally operable to：In the detection module
Before whether the 302 detection floats float, control and start according to the second default heated condition to the pressure
Pressure cooking apparatus is heated；When the temperature in the pressure cooking appliance reaches preset temperature, control
The pressure cooking appliance is heated according to the 3rd default heated condition；And in the computing module
After 306 calculate voltage-limiting protection temperature according to the fiducial temperature, control according to the 4th default heated condition
The pressure cooking appliance is heated.
In this embodiment, when pressure cooking appliance starts work and whether floats it in detection float
Before, it is first according to the second default heated condition startup and pressure cooking appliance is heated, so that pressure
Constant temperature in cooking apparatus rises, and then the temperature in pressure cooking appliance reaches preset temperature
When pressure cooking appliance is heated according to the 3rd default heated condition so that in pressure cooking appliance
Liquid boiling, float float, wherein, the second default heated condition is different from the first default heating shape
State, can preferably be high-power heated condition, and to be different from second pre- for the 3rd default heated condition
If heated condition, it can preferably be and stop heated condition, low-power heating state or keeping warm mode.
In addition, in this embodiment, calculated according to the fiducial temperature recorded in pressure cooking appliance
Go out after voltage-limiting protection temperature, can continue to enter pressure cooking appliance according to the 4th default heated condition
Row heating so that the Pressure/Temperature in pressure cooking appliance continues to rise, wherein, the 4th it is default plus
Warm status is different from the second default heated condition, can preferably be low-power heating state.
According to one embodiment of present invention, the control module 308 is additionally operable to：When the detection module
302 are not detected by the float when floating, according to default voltage-limiting protection temperature to the pressure cooking appliance
Carry out computer heating control.
Limited-voltage control submodule 300 according to an embodiment of the invention, when by detecting pressure cooking device
When whether the float of tool floats the temperature control point for determining progress voltage-limiting protection, in order to solve product use
During float float detection it is abnormal and the problem of fiducial temperature can not be obtained, can be by going out in product
One default voltage-limiting protection temperature is set during factory, to preset voltage-limiting protection temperature to pressure cooking according to this
Utensil carries out computer heating control, wherein, span of the default voltage-limiting protection temperature be more than or equal to
110 DEG C and less than or equal to 130 DEG C, specifically, when judging that the temperature in pressure cooking appliance is more than
During the default voltage-limiting protection temperature, pressure cooking appliance is added according to the first default heated condition
Heat, do not continue to rise with the pressure ensured in pressure cooking appliance, reach the purpose of voltage-limiting protection.
According to one embodiment of present invention, the memory module 304 is additionally operable to：Getting new base
During quasi- temperature, the fiducial temperature recorded is replaced with into the new fiducial temperature, with according to
New fiducial temperature calculates the voltage-limiting protection temperature.
Limited-voltage control submodule 300 according to an embodiment of the invention, every time using pressure cooking appliance
And when getting the new fiducial temperatures different from the fiducial temperature of previous record, storage is replaced,
The voltage-limiting protection temperature of product is calculated using new fiducial temperature, with improve the validity of voltage-limiting protection and
Stability, and then the product safety in utilization of pressure cooking appliance is improved, lift user uses body
Test.
As one embodiment of the present of invention, above-mentioned protective arrangement for limiting output voltage 300 can be applied in pressure
In cooking apparatus, such as, electric pressure cooking saucepan.
It can be seen that pressure cooking appliance proposed by the present invention can solve lacking for existing voltage-limiting protection scheme
Fall into, the exhaust plug due to easy stifled food retaining pressure cooking apparatus can be avoided to cause pressure limiting device to lose
Imitate and voltage-limiting protection can not be played a part of and solved with setting one in the mode that software is combined admittedly
Fixed pressure limiting temperature spot causes the temperature of progress voltage-limiting protection due to the difference of the height above sea level using product
The problem of control point difference, so as to improve the validity of voltage-limiting protection and stability, improve pressure cooking
The product safety in utilization of utensil, lift the usage experience of user.
The specific embodiment of the present invention is illustrated with reference to Fig. 4 and Fig. 5.
Fig. 4 shows the schematic block diagram of the protective arrangement for limiting output voltage of second embodiment according to the present invention.
Fig. 5 shows that the flow of the voltage-limiting protection method of the 3rd embodiment according to the present invention is illustrated
Figure.
As shown in figure 4, according to the protective arrangement for limiting output voltage of second embodiment of the present invention, applied to pressure
Pressure cooking apparatus, including：Microcontroller 402, heating module 404, temperature detecting module 406,
Detection module 408 and memory module 410.
Wherein, microcontroller 402, it is mainly used in controlling heating module 404 to enter pressure cooking appliance
Row heating, control temperature detecting module 406 detect the fortune of the temperature and data in pressure cooking appliance
Calculate.
Detection module 408, it whether there is pressure in pressure cooking appliance for detecting, that is, detect pressure
Whether the float (such as zero-pressure float) of cooking apparatus floats.
Memory module 410, for recording/the temperature that detects of storage temperature detection module 406；Such as
In embodiment shown in Fig. 4, memory module 410 is placed on microcontroller 402, and it can also be micro-
One of part of controller 400.
The specific workflow of protective arrangement for limiting output voltage shown in Fig. 4 is as shown in figure 5, including below scheme
Step：
Step 502, heating module is started, according to the first heated condition (the i.e. second default heating shape
State) heated；
Step 504, detect whether the temperature in pressure cooking appliance is more than default temperature value Ts (i.e.
Preset temperature), if performing step 506, otherwise perform step 502；
Step 506, heated by the second heated condition (the i.e. the 3rd default heated condition)；
Step 508, whether detection float floats, if so, performing step 510, otherwise performs step
406；
Step 510, temperature spot T (i.e. fiducial temperature) is recorded, and calculates voltage-limiting protection temperature control
Make point T+ Δs T (i.e. voltage-limiting protection temperature, wherein Δ T are default pressure limiting temperature)；
Step 512, heated by the 3rd heated condition (the i.e. the 4th default heated condition)；
Step 514, whether the temperature detected in pressure cooking appliance is more than voltage-limiting protection temperature control point
T+ Δ T, if so, performing step 516, otherwise perform step 512；
Step 516, heated by the 4th heated condition (the i.e. first default heated condition).
Technique according to the invention scheme, start heating module after pressure cooking appliance work starts,
And heated with the first heated condition, now temperature rises therewith in pressure cooking appliance, works as temperature detection
When module detects that the temperature in pressure cooking appliance is more than default temperature value Ts, add using second
Warm status heats, and after the liquid in pressure cooking appliance is heated boiling, float floats, and records this
When temperature spot T, be T+ Δ T so as to calculate the voltage-limiting protection temperature control point of product, and use
3rd heated condition heats, and makes Pressure/Temperature in pressure cooking appliance continue to rise, works as pressure cooking
When temperature is more than voltage-limiting protection temperature control point T+ Δ T in utensil, into the 4th heated condition, from
And make the pressure in pressure cooking appliance not continue to rise, reach the purpose of pressure limiting.
Meanwhile in order to solve voltage-limiting protection exception occur because float detection is abnormal during product use
The problem of, on the one hand, in product export, a temperature spot T0 (i.e. default pressure limitings can be preset
Protect temperature), when being not detected by the temperature spot T that float floats, for voltage-limiting protection；The opposing party
Face, a memory module can be set or deposit and detect using the memory module storage of microcontroller
When float floats, temperature spot T, new temperature spot T is detected until next time, then be replaced.
Wherein, the span of each temperature is：50 DEG C≤Ts≤80 DEG C, 10 DEG C≤Δ T≤
30 DEG C, 110 DEG C≤T0≤130 DEG C；And each heated condition is preferably respectively：First heating shape
State, before reaching preset pressure or temperature, the heated condition of pressure cooking appliance；Second heated condition,
Can be to stop heated condition or low-power heating state or insulation shape different from the first heated condition
State；3rd heated condition, can be low-power heating state different from the first heated condition；4th
Heated condition, can be to stop heated condition or keeping warm mode different from the first heated condition.
To sum up, when the present invention is floated using float, temperature spot T now is recorded, is produced so as to calculate
The pressure limiting temperature control point T+ Δ T of product, the program is because identical product is in different height above sea level liquid
The temperature of (such as water) boiling is different, and when float floats, the temperature spot T of record is also different, and right
The pressure in pressure cooking appliance answered is about the pressure that pressure limiting device (such as weight) characteristic is limited
(P=mg/S；Pressure in P- pressure cooking appliances, m- weight weight, g- acceleration of gravity, S- rows
Gas valve core hole area), therefore the effective fixed superpressure temperature spot of software design patterns one that solves is because using
The height above sea level of product is different, the problem of caused limited-voltage control point difference.
Technical scheme is described in detail above in association with accompanying drawing, passes through the technical side of the present invention
Case, can solve the defects of existing voltage-limiting protection scheme, improve the validity and stably of voltage-limiting protection
Property, and then the product safety in utilization of pressure cooking appliance is improved, lift the usage experience of user.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the present invention with principle
Protection domain within.
Claims (17)
1. a kind of voltage-limiting protection method, for pressure cooking appliance, the pressure cooking appliance includes：It is floating
Son, it is characterised in that the voltage-limiting protection method includes：
Detect whether the float floats；
When detecting that the float floats, the fiducial temperature in the pressure cooking appliance is recorded；
Voltage-limiting protection temperature is calculated according to the fiducial temperature, the voltage-limiting protection temperature is more than the benchmark
Temperature；
Computer heating control is carried out to the pressure cooking appliance according to the voltage-limiting protection temperature.
2. voltage-limiting protection method according to claim 1, it is characterised in that the voltage-limiting protection temperature
Spend for the fiducial temperature and default pressure limiting temperature sum.
3. voltage-limiting protection method according to claim 1, it is characterised in that described according to the limit
Pressure protection temperature carries out computer heating control to the pressure cooking appliance, specifically includes：
Judge whether the temperature in the pressure cooking appliance is more than the voltage-limiting protection temperature；
When judging that the temperature in the pressure cooking appliance is more than the voltage-limiting protection temperature, according to first
Default heated condition heats to the pressure cooking appliance, to carry out voltage-limiting protection.
4. voltage-limiting protection method according to any one of claim 1 to 3, it is characterised in that
Before whether the detection float floats, in addition to：
Start according to the second default heated condition and the pressure cooking appliance is heated；
When the temperature in the pressure cooking appliance reaches preset temperature, according to the 3rd default heated condition
The pressure cooking appliance is heated；And
After the calculating voltage-limiting protection temperature according to the fiducial temperature, according to the 4th default heating shape
State heats to the pressure cooking appliance.
5. voltage-limiting protection method according to any one of claim 1 to 3, it is characterised in that
When being not detected by the float and floating, according to default voltage-limiting protection temperature to the pressure cooking device
Tool carries out computer heating control.
6. voltage-limiting protection method according to any one of claim 1 to 3, it is characterised in that
When getting new fiducial temperature, the fiducial temperature recorded is replaced with into the new base
Quasi- temperature, to calculate the voltage-limiting protection temperature according to the new fiducial temperature.
7. voltage-limiting protection method according to claim 2, it is characterised in that the default pressure limiting
The span of temperature is：More than or equal to 10 DEG C and less than or equal to 30 DEG C.
8. voltage-limiting protection method according to claim 5, it is characterised in that the default pressure limiting
Protection temperature span be：More than or equal to 110 DEG C and less than or equal to 130 DEG C.
9. a kind of protective arrangement for limiting output voltage, for pressure cooking appliance, the pressure cooking appliance includes：It is floating
Son, it is characterised in that the protective arrangement for limiting output voltage includes：
Detection module, for detecting whether the float floats；
Memory module, for when the detection module detects that the float floats, recording the pressure
Fiducial temperature in cooking apparatus；
Computing module, for calculating voltage-limiting protection temperature, the voltage-limiting protection temperature according to the fiducial temperature
Degree is more than the fiducial temperature；
Control module, for the voltage-limiting protection temperature that is calculated according to the computing module to described
Pressure cooking appliance carries out computer heating control.
10. protective arrangement for limiting output voltage according to claim 8, it is characterised in that the voltage-limiting protection
Temperature is the fiducial temperature and default pressure limiting temperature sum.
11. protective arrangement for limiting output voltage according to claim 8, it is characterised in that the control module
Specifically include：
Judging submodule, protected for judging whether the temperature in the pressure cooking appliance is more than the pressure limiting
Protect temperature；
Control submodule, for judging that the temperature in the pressure cooking appliance is big when the judging submodule
When the voltage-limiting protection temperature, control and the pressure cooking appliance is entered according to the first default heated condition
Row heating, to carry out voltage-limiting protection.
12. the protective arrangement for limiting output voltage according to any one of claim 9 to 11, it is characterised in that
The control module is additionally operable to：
Before whether the detection module detection float floats, control according to the second default heating shape
State starts to be heated to the pressure cooking appliance；
When the temperature in the pressure cooking appliance reaches preset temperature, control according to the 3rd default heating
State heats to the pressure cooking appliance；And
After the computing module calculates voltage-limiting protection temperature according to the fiducial temperature, control according to the
Four default heated conditions heat to the pressure cooking appliance.
13. the protective arrangement for limiting output voltage according to any one of claim 9 to 11, it is characterised in that
The control module is additionally operable to：
When the detection module, which is not detected by the float, to be floated, according to default voltage-limiting protection temperature to institute
State pressure cooking appliance and carry out computer heating control.
14. the protective arrangement for limiting output voltage according to any one of claim 9 to 11, it is characterised in that
The memory module is additionally operable to：
When getting new fiducial temperature, the fiducial temperature recorded is replaced with into the new base
Quasi- temperature, to calculate the voltage-limiting protection temperature according to the new fiducial temperature.
15. protective arrangement for limiting output voltage according to claim 10, it is characterised in that described pre- to limit
Pressure temperature span be：More than or equal to 10 DEG C and less than or equal to 30 DEG C.
16. protective arrangement for limiting output voltage according to claim 13, it is characterised in that described pre- to limit
Pressure protection temperature span be：More than or equal to 110 DEG C and less than or equal to 130 DEG C.
A kind of 17. pressure cooking appliance, it is characterised in that including：As any in claim 9 to 16
Protective arrangement for limiting output voltage described in.
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| CN201610513333.3A CN107692813A (en) | 2016-06-30 | 2016-06-30 | Voltage-limiting protection method and device, pressure cooking appliance |
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|---|---|---|---|
| CN201610513333.3A CN107692813A (en) | 2016-06-30 | 2016-06-30 | Voltage-limiting protection method and device, pressure cooking appliance |
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| CN201610513333.3A Pending CN107692813A (en) | 2016-06-30 | 2016-06-30 | Voltage-limiting protection method and device, pressure cooking appliance |
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| CN109998371A (en) * | 2019-05-14 | 2019-07-12 | 珠海双喜电器股份有限公司 | It is a kind of to control the control system of pot inner pressure value range by adjusting temperature |
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Application publication date: 20180216 |