CN105935244A - Pressure control method and apparatus of electric pressure cooker, and electric pressure cooker - Google Patents
Pressure control method and apparatus of electric pressure cooker, and electric pressure cooker Download PDFInfo
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- CN105935244A CN105935244A CN201610364807.2A CN201610364807A CN105935244A CN 105935244 A CN105935244 A CN 105935244A CN 201610364807 A CN201610364807 A CN 201610364807A CN 105935244 A CN105935244 A CN 105935244A
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- temperature
- pressure
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- heater
- cooking saucepan
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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
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- Food Science & Technology (AREA)
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Abstract
The present invention provides a pressure control method and apparatus of an electric pressure cooker, and the electric pressure cooker. The method comprises a detection step that a temperature wrap disposed at the bottom of the electric pressure cooker detects temperature of the electric pressure cooker; and a heating device control step of controlling on and off of a heating device according to the temperature detected by the temperature wrap when a pressure switch is off, specifically, opening the heating device to heat when the temperature is less than or equal to first temperature, and closing the heating device and stopping heating when the temperature is great than or equal to second temperature, wherein the second temperature is greater than the first temperature, the first temperature is great than or equal to 100 DEG C and less than or equal to 108 DEG C, and the second temperature is great than or equal to 102 DEG C and less than or equal to 110 DEG C. According to the technical scheme, cycle control of the pressure in a certain range is achieved through a single pressure switch without internal temperature-sensitive monitoring, and use functions of the electric pressure cooker are improved.
Description
Technical field
The present invention relates to control field, particularly relate to a kind of electric pressure cooking saucepan and control the method for pressure, dress
Put and electric pressure cooking saucepan.
Background technology
Electric pressure cooking saucepan is the upgraded product of conventional high-tension pot and electric cooker, and it combines pressure cooker
With the advantage of electric cooker, elastic pressure is used to control, dynamic seal (packing), outer spiral cover, displacement controllable
The new techniques such as electric switch, new construction, the hermetically sealed cooking, pressure continuously adjustabe, thoroughly solve pressure
The safety problem of power pot, relieves general pressure cooker puzzlement consumer potential safety hazard for many years；Its heat
Efficiency is more than 80%, the power saving that saves time (than ordinary electric rice cooker economize on electricity more than 30%).
The work of electric pressure cooking saucepan is divided into heating process, pressure maintaining period and heat insulating work, and electric pressure cooking saucepan adds
After heat arrives certain temperature (or pressure), enter pressure maintaining period.Heating process and pressure maintaining period knot
It is combined into the process of cooking.
In prior art, electric pressure cooking saucepan, at pressure maintaining period, controls different dwell pressure steaming and decoctings, logical
Often need to be arranged in temperature-sensing probe the inside of pressure cooker, for only having bottom temperature-sensitive bag and single pressure
Under conditions of switch, it is difficult to realize the control of multiple pressure.
Summary of the invention
Present invention is primarily targeted at the problems referred to above solving prior art, it is proposed that a kind of voltage
Power pot controls the method for pressure, device and electric pressure cooking saucepan, to solve to only have bottom sense in prior art
Under conditions of thermometer bulb and single pressure switch, it is difficult to the problem realizing the control of multiple pressure, promote electricity
The use function of pressure cooker.
One aspect of the present invention provides a kind of method that electric pressure cooking saucepan controls pressure, including following step
Rapid: detecting step, it is arranged on the temperature-sensitive bag bottom electric pressure cooking saucepan and detects the temperature of electric pressure cooking saucepan；Add
Thermal rate-determining steps, after disconnecting when pressure switch, the temperature detected according to described temperature-sensitive bag
Degree, controls the break-make of heater, particularly as follows: when described temperature is less than or equal to the first temperature,
Heating opened by described heater；When described temperature more than or equal to the second temperature time, described in add hot charging
Put closedown heating；Described first temperature is more than or equal to 100 DEG C and is less than or equal to 108 DEG C, and described second
Temperature is more than or equal to 102 DEG C and less than or equal to 110 DEG C.
Alternatively, pressure detecting step and pressure switch rate-determining steps, described pressure detecting are also included
Step, for detecting the pressure of electric pressure cooking saucepan；Described pressure switch rate-determining steps, for working as voltage
When power pot is in continuous heating state, when the described pressure detected is more than or equal to the first pressure threshold
Time, opening pressure switchs, and triggers described heater rate-determining steps.
Alternatively, also include timed process and interrupt step, described timed process, be used for calculating institute
State the execution time of heater rate-determining steps；Described interrupt step, was more than when the described execution time
During equal to very first time threshold value, interrupt the execution of described heater rate-determining steps.
Alternatively, described second temperature and is less than or equal to more than or equal to 1 with described first temperature difference
3。
Alternatively, described first temperature and described second temperature are specially 102 DEG C and 104 DEG C, or
101 DEG C and 103 DEG C, or 104 DEG C and 106 DEG C, or 105 DEG C and 107 DEG C.
Alternatively, also including Duty ratio control step, described Duty ratio control step is according to Voltage force
The power of pot and/or the ratio of volumetric void fraction first time period and the second time period；Described first period
For in described heater rate-determining steps, described heater is continuously in the time of closed mode
Section；Described second period is that described heater is persistently located in described heater rate-determining steps
In time period of opening state.
Another aspect of the invention provides a kind of electric pressure cooking saucepan to control the device of pressure, including temperature-sensitive bag and
Heater control unit, described temperature-sensitive bag, it is arranged on bottom electric pressure cooking saucepan, is used for detecting voltage
The temperature of power pot；Described heater control unit, after disconnecting when pressure switch, according to institute
State the temperature that temperature-sensitive bag detects, control the break-make of heater, particularly as follows: when described temperature is little
When equal to the first temperature, heating opened by described heater；When described temperature is more than or equal to second
During temperature, described heater cuts out heating, and wherein the second temperature is more than the first temperature；Described
One temperature is more than or equal to 100 DEG C and less than or equal to 108 DEG C, and described second temperature is more than or equal to 102 DEG C
And less than or equal to 110 DEG C.
Alternatively, pressure sensing cell and pressure switch control unit, described pressure detecting are also included
Unit, for detecting the pressure of electric pressure cooking saucepan；Described pressure switch control unit, for working as voltage
When power pot is in continuous heating state, when the described pressure detected is more than or equal to the first pressure threshold
Time, opening pressure switchs, and triggers described heater control unit.
Alternatively, also include timing unit and interrupt location, described timing unit, be used for calculating institute
State the working time of heater control unit；Described interrupt location, was more than when the described working time
During equal to very first time threshold value, interrupt the work of described heater control unit.
Alternatively, described second temperature and is less than or equal to more than or equal to 1 with described first temperature difference
3。
Alternatively, described first temperature and described second temperature are specially 102 DEG C and 104 DEG C, or
101 DEG C and 103 DEG C, or 104 DEG C and 106 DEG C, or 105 DEG C and 107 DEG C.
Alternatively, also including Duty ratio control unit, described Duty ratio control unit is for according to electricity
The ratio of the power of pressure cooker and/or volumetric void fraction first time period and the second time period；Described first
Period is that described heater is continuously in cut out shape under described heater control unit controls
The time period of state；Described second period be described heater control unit control under, described in add
Thermal is continuously in the time period of opening state.
Further aspect of the present invention provides a kind of electric pressure cooking saucepan, it is characterised in that include aforementioned arbitrary
Electric pressure cooking saucepan control pressure device.
Technical scheme is under conditions of without internal temperature-sensitive monitoring, real by single pressure switch
Existing pressure loop control within the specific limits, the use function of booster tension power pot.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the present invention's
A part, the schematic description and description of the present invention is used for explaining the present invention, and it is right to be not intended that
The improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method schematic diagram；
Fig. 2 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method schematic diagram；
Fig. 3 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method schematic diagram；
Fig. 4 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method schematic diagram；
Fig. 5 is the knot that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the device of pressure
Structure schematic diagram；
Fig. 6 is the knot that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the device of pressure
Structure schematic diagram；
Fig. 7 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method flow chart；
Fig. 8 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method flow chart.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the present invention
Technical solution of the present invention is clearly and completely described by specific embodiment and corresponding accompanying drawing.Aobvious
So, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art are not before making creative work
Put the every other embodiment obtained, broadly fall into the scope of protection of the invention.
It should be noted that the term in description and claims of this specification and above-mentioned accompanying drawing
" first ", " second " etc. are for distinguishing similar object, without being used for describing specifically
Order or precedence.Should be appreciated that the data of so use can be exchanged in the appropriate case, with
Embodiments of the invention the most described herein can be with in addition to those here illustrating or describing
Order implement.Additionally, term " includes " and " having " and their any deformation, meaning
Figure is to cover non-exclusive comprising, and such as, contains series of steps or the process of unit, side
Method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed, but can
Including that the most clearly list or for intrinsic other of these processes, method, product or equipment
Step or unit.
Fig. 1 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method schematic diagram.
The embodiment of the invention, as shown in Figure 1.A kind of electric pressure cooking saucepan controls the side of pressure
Method includes detecting step S111 and the first pressure switch rate-determining steps S113.
Detecting step S111, is arranged on the temperature of temperature-sensitive bag detection electric pressure cooking saucepan bottom electric pressure cooking saucepan.
In prior art, in order to realize many Stress control of electric pressure cooking saucepan, generally use and temperature-sensitive is visited
Head is arranged in the technological means of the inside of pressure cooker.And technical scheme, it is to utilize to arrange
The temperature of temperature-sensitive bag detection electric pressure cooking saucepan bottom electric pressure cooking saucepan.
Heater rate-determining steps S113, after disconnecting when pressure switch, according to described temperature-sensitive bag
The temperature detected, controls the break-make of heater, particularly as follows: when described temperature is less than or equal to the
During one temperature, heating opened by described heater；When described temperature is more than or equal to the second temperature,
Described heater cuts out heating, and wherein the second temperature is more than the first temperature.
Such as first temperature is 103 DEG C, and the second temperature is 105 DEG C.If pressure switch disconnects, this
Time electric pressure cooking saucepan stop heating, be in natural cooling state, pot inner pressure begins to decline.Now,
If the temperature detected is more than the first temperature 103 DEG C, then it is continuously in natural cooling state, until inspection
The temperature measured is less than or equal to the first temperature 103 DEG C, and heating opened by heater, now electric pressure cooking saucepan
Interior pressure is the first pressure.
Electric pressure cooking saucepan enters heated condition, and pot inner pressure begins to ramp up, now, if the temperature detected
Degree less than the second temperature 105 DEG C, is then continuously in heated condition, until the temperature detected is more than
In the second temperature 105 DEG C, heater cuts out heating, and now, the pressure in electric pressure cooking saucepan is second
Pressure.
Accordingly, the temperature detected by temperature-sensitive bag, control the break-make of heater and then by voltage
Stress control in power pot is between the first pressure and the second pressure.
In the present embodiment, the first temperature is more than or equal to 100 DEG C and is less than or equal to 108 DEG C, and second
Temperature is more than or equal to 102 DEG C and less than or equal to 110 DEG C.
Alternatively, the second temperature and described first temperature difference are more than or equal to 1 and less than or equal to 3.
Alternatively, the first temperature and the second temperature are specially 102 DEG C and 104 DEG C, or the first temperature and
Second temperature is specially 101 DEG C and 103 DEG C, or the first temperature and the second temperature be specially 104 DEG C and
106 DEG C, or the first temperature and the second temperature be specially 105 DEG C and 107 DEG C.
Fig. 2 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method schematic diagram.
The embodiment of the invention, as shown in Figure 2.A kind of electric pressure cooking saucepan controls the side of pressure
Method includes pressure detecting step S201, pressure switch rate-determining steps S203, detecting step S211 and
Heater rate-determining steps S213.
Pressure detecting step S201, for detecting the pressure of electric pressure cooking saucepan.
Pressure switch rate-determining steps S203, for when electric pressure cooking saucepan is in continuous heating state, examines
When the pressure measured is more than or equal to the first pressure threshold, opening pressure switchs, and triggers heater
Rate-determining steps S213.
In the continuous heating state of electric pressure cooking saucepan, perform pressure detecting step S201 and pressure switch control
Step S203 processed, during until the pressure in electric pressure cooking saucepan is more than or equal to the first pressure threshold, disconnects pressure
Power switchs, and starts to perform heater rate-determining steps S213.
Heater rate-determining steps S213 is used for the temperature detected according to step S211 temperature-sensitive bag,
Control the break-make of heater, particularly as follows: when described temperature is less than or equal to the first temperature, described
Heating opened by heater；When described temperature is more than or equal to the second temperature, described heater closes
Closing heating, wherein the second temperature is more than the first temperature.
Such as first temperature is 103 DEG C, and the second temperature is 105 DEG C.If pressure switch disconnects, this
Time electric pressure cooking saucepan stop heating, be in natural cooling state, pot inner pressure begins to decline.Now,
If the temperature detected is more than the first temperature 103 DEG C, then it is continuously in natural cooling state, until inspection
The temperature measured is less than or equal to the first temperature 103 DEG C, and heating opened by heater, now electric pressure cooking saucepan
Interior pressure is the first pressure.
Electric pressure cooking saucepan enters heated condition, and pot inner pressure begins to ramp up, now, if the temperature detected
Degree less than the second temperature 105 DEG C, is then continuously in heated condition, until the temperature detected is more than
In the second temperature 105 DEG C, heater cuts out heating, and now, the pressure in electric pressure cooking saucepan is second
Pressure.
Accordingly, the temperature detected by temperature-sensitive bag, control the break-make of heater and then by voltage
Stress control in power pot is between the first pressure and the second pressure.
In the present embodiment, the first temperature is more than or equal to 100 DEG C and is less than or equal to 108 DEG C, and second
Temperature is more than or equal to 102 DEG C and less than or equal to 110 DEG C.
Alternatively, the second temperature and described first temperature difference are more than or equal to 1 and less than or equal to 3.
Alternatively, the first temperature and the second temperature are specially 102 DEG C and 104 DEG C, or the first temperature and
Second temperature is specially 101 DEG C and 103 DEG C, or the first temperature and the second temperature be specially 104 DEG C and
106 DEG C, or the first temperature and the second temperature be specially 105 DEG C and 107 DEG C.
Fig. 3 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method schematic diagram.
The embodiment of the invention, in conjunction with each side of other detailed description of the invention of the present invention
Face.As it is shown on figure 3, a kind of electric pressure cooking saucepan control pressure method, including detecting step S311,
First pressure switch rate-determining steps S313, timed process S321 and interrupt step S323.
Detecting step S311, is arranged on the temperature of temperature-sensitive bag detection electric pressure cooking saucepan bottom electric pressure cooking saucepan.
In prior art, in order to realize many Stress control of electric pressure cooking saucepan, generally use and temperature-sensitive is visited
Head is arranged in the technological means of the inside of pressure cooker.And technical scheme, it is to utilize to arrange
The temperature of temperature-sensitive bag detection electric pressure cooking saucepan bottom electric pressure cooking saucepan.
Heater rate-determining steps S313, for after disconnecting when pressure switch, according to temperature-sensitive bag
The temperature detected, controls the break-make of heater, particularly as follows: when described temperature is less than or equal to the
During one temperature, heating opened by described heater；When described temperature is more than or equal to the second temperature,
Described heater cuts out heating, and wherein the second temperature is more than the first temperature.Referring specifically to the first pressure
Power on-off control step S113 or S213.
Timed process S321, for calculating the execution time of heater rate-determining steps.
Heater rate-determining steps is a cyclic process, follows between the first pressure and the second pressure
Ring changes.
Interrupt step S323, when the execution time of heater rate-determining steps is more than or equal to the very first time
During threshold value, interrupt the execution of heater rate-determining steps.
Parameter according to electric pressure cooking saucepan and the content of execution work, be set or adjusted very first time threshold value,
Reach very first time threshold value when the execution time of heater rate-determining steps, interrupt heater and control
The execution of step.Alternatively, after interrupting the execution of heater rate-determining steps, voltage can be controlled
Power pot enters keeping warm mode.
Fig. 4 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method schematic diagram.
The embodiment of the invention, in conjunction with each side of other detailed description of the invention of the present invention
Face.As shown in Figure 4, a kind of electric pressure cooking saucepan control pressure method, including detecting step S411,
Heater rate-determining steps S413, Duty ratio control step S431.
Detecting step S411, is arranged on the temperature of temperature-sensitive bag detection electric pressure cooking saucepan bottom electric pressure cooking saucepan.
In prior art, in order to realize many Stress control of electric pressure cooking saucepan, generally use and temperature-sensitive is visited
Head is arranged in the technological means of the inside of pressure cooker.And technical scheme, it is to utilize to arrange
The temperature of temperature-sensitive bag detection electric pressure cooking saucepan bottom electric pressure cooking saucepan.
Heater rate-determining steps S413, after disconnecting when pressure switch, according to described temperature-sensitive bag
The temperature detected, controls the break-make of heater, particularly as follows: when described temperature is less than or equal to the
During one temperature, heating opened by described heater；When described temperature is more than or equal to the second temperature,
Described heater cuts out heating, and wherein the second temperature is more than the first temperature.Referring specifically to the first pressure
Power on-off control step S113 or S213.
Duty ratio control step S431 is according to the power of electric pressure cooking saucepan and/or the volumetric void fraction very first time
Section and the ratio of the second time period；First period was in described heater rate-determining steps, described in add
Thermal is continuously in the time period of closed mode；Second period was to control step at described heater
In Zhou, the time period of the opening state that described heater is continuously in.
Fig. 5 is the knot that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the device of pressure
Structure schematic diagram.
The embodiment of the invention, in conjunction with each side of other detailed description of the invention of the present invention
Face.As it is shown in figure 5, the device 500 that a kind of electric pressure cooking saucepan controls pressure includes temperature-sensitive bag 511 He
Heater control unit 513.
Described temperature-sensitive bag 511, is arranged on bottom electric pressure cooking saucepan, for detecting the temperature of electric pressure cooking saucepan.
In prior art, in order to realize many Stress control of electric pressure cooking saucepan, generally use and temperature-sensitive is visited
Head is arranged in the technological means of the inside of pressure cooker.And technical scheme, it is to utilize to arrange
The temperature of temperature-sensitive bag detection electric pressure cooking saucepan bottom electric pressure cooking saucepan.
Described heater control unit 513, after disconnecting when pressure switch, according to described temperature-sensitive
The temperature that bag detects, controls the break-make of heater, particularly as follows: when described temperature is less than or equal to
During the first temperature, heating opened by described heater；When described temperature is more than or equal to the second temperature
Time, the closedown heating of described heater, wherein the second temperature is more than the first temperature.
Such as first temperature is 103 DEG C, and the second temperature is 105 DEG C.If pressure switch disconnects, this
Time electric pressure cooking saucepan stop heating, be in natural cooling state, pot inner pressure begins to decline.Now,
If the temperature detected is more than the first temperature 103 DEG C, then it is continuously in natural cooling state, until inspection
The temperature measured is less than or equal to the first temperature 103 DEG C, and heating opened by heater, now electric pressure cooking saucepan
Interior pressure is the first pressure.
If pressure switch closes, now electric pressure cooking saucepan enters heated condition, and pot inner pressure begins to ramp up,
Now, if the temperature detected is less than the second temperature 105 DEG C, then it is continuously in heated condition, until
The temperature detected is more than or equal to the second temperature 105 DEG C, and heater cuts out heating, now, voltage
Pressure in power pot is the second pressure.
Accordingly, the temperature detected by temperature-sensitive bag, control the break-make of heater and then by voltage
Stress control in power pot is between the first pressure and the second pressure.
The most described first temperature is more than or equal to 100 DEG C and is less than or equal to 108 DEG C, institute
State the second temperature more than or equal to 102 DEG C and less than or equal to 110 DEG C.
Alternatively, the second temperature and described first temperature difference are more than or equal to 1 and less than or equal to 3.
Alternatively, the first temperature and the second temperature are specially 102 DEG C and 104 DEG C, or the first temperature and
Second temperature is specially 101 DEG C and 103 DEG C, or the first temperature and the second temperature be specially 104 DEG C and
106 DEG C, or the first temperature and the second temperature be specially 105 DEG C and 107 DEG C.
Fig. 6 is the knot that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the device of pressure
Structure schematic diagram.
The embodiment of the invention, in conjunction with each side of other detailed description of the invention of the present invention
Face.As shown in Figure 6, the device 600 of a kind of electric pressure cooking saucepan control pressure includes pressure sensing cell
601, pressure switch control unit 603, temperature-sensitive bag 611 and heater control unit 613.
Pressure sensing cell 601, for detecting the pressure of electric pressure cooking saucepan.
Pressure switch control unit 603, for when electric pressure cooking saucepan is in continuous heating state, works as inspection
When the pressure measured is more than or equal to the first pressure threshold, opening pressure switchs, and triggers described heating
Device control units 613.
In the continuous heating state of electric pressure cooking saucepan, pressure switch control unit 603 is according to pressure detecting
The pressure that unit 601 detects, keeps the closure state of pressure switch, until in electric pressure cooking saucepan
When pressure is more than or equal to the first pressure threshold, opening pressure switchs, and triggers described heater and controls
Unit 613.
Heater control unit 613, for the temperature detected according to temperature-sensitive bag 611, controls to add
The break-make of thermal, particularly as follows: when described temperature less than or equal to the first temperature time, described in add hot charging
Put and open heating；When described temperature is more than or equal to the second temperature, described heater cuts out and adds
Heat, wherein the second temperature is more than the first temperature.
Such as first temperature is 103 DEG C, and the second temperature is 105 DEG C.If pressure switch disconnects, this
Time electric pressure cooking saucepan stop heating, be in natural cooling state, pot inner pressure begins to decline.Now,
If the temperature detected is more than the first temperature 103 DEG C, then it is continuously in natural cooling state, until inspection
The temperature measured is less than or equal to the first temperature 103 DEG C, and heating opened by heater, now electric pressure cooking saucepan
Interior pressure is the first pressure.
Electric pressure cooking saucepan enters heated condition, and pot inner pressure begins to ramp up, now, if the temperature detected
Degree less than the second temperature 105 DEG C, is then continuously in heated condition, until the temperature detected is more than
In the second temperature 105 DEG C, heater cuts out heating, and now, the pressure in electric pressure cooking saucepan is second
Pressure.
Accordingly, the temperature detected by temperature-sensitive bag, control the break-make of heater and then by voltage
Stress control in power pot is between the first pressure and the second pressure.
In the present embodiment, described first temperature is more than or equal to 100 DEG C and is less than or equal to 108 DEG C,
Described second temperature is more than or equal to 102 DEG C and less than or equal to 110 DEG C.
Alternatively, the second temperature and described first temperature difference are more than or equal to 1 and less than or equal to 3.
Alternatively, the first temperature and the second temperature are specially 102 DEG C and 104 DEG C, or the first temperature and
Second temperature is specially 101 DEG C and 103 DEG C, or the first temperature and the second temperature be specially 104 DEG C and
106 DEG C, or the first temperature and the second temperature be specially 105 DEG C and 107 DEG C.
The embodiment of the invention, in conjunction with the various aspects of other detailed description of the invention of the present invention.
A kind of electric pressure cooking saucepan controls the device of pressure and also includes timing unit (not shown) and interrupt single
Unit's (not shown).
Timing unit, for calculating the working time of described heater control unit.
First pressure switch control unit is to be operated in recurrent state, at the first pressure and the second pressure
Between circulation change.
Interrupt location, when operating between more than or equal to the very first time threshold value time, interrupt heater control
The work of unit processed.
Parameter according to electric pressure cooking saucepan and the content of execution work, be set or adjusted very first time threshold value,
Reach very first time threshold value when the execution time of the first pressure switch rate-determining steps, interrupt heater
The work of control unit.Alternatively, after interrupting the work of heater control unit, can control
Electric pressure cooking saucepan enters keeping warm mode.
The embodiment of the invention, in conjunction with the various aspects of other detailed description of the invention of the present invention.
A kind of electric pressure cooking saucepan controls the device of pressure and also includes Duty ratio control unit (not shown).
Duty ratio control unit for according to the power of electric pressure cooking saucepan and/or volumetric void fraction first time period with
The ratio of the second time period；First period was in described heater rate-determining steps, described in add hot charging
Put the time period being continuously in closed mode；Second period was at described heater rate-determining steps
In, the time period of the opening state that described heater is continuously in.
The embodiment of the invention, in conjunction with each side of other detailed description of the invention of the present invention
Face.A kind of electric pressure cooking saucepan, any voltage power pot provided including the specific embodiment of the invention controls
The device of pressure.
Fig. 7 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method flow chart.
Electric pressure cooking saucepan enters Stress control circulation, and pressure switch disconnects.After disconnection, electric pressure cooking saucepan
Natural cooling, pot inner pressure gradually reduces.
Bottom judgement, whether temperature-sensitive bag temperature is less than the first temperature A DEG C (such as 103 DEG C), when the least
When the first temperature A DEG C, continuing to cool, pot inner pressure continues to decline.
When less than or equal to the first temperature A DEG C, recovery heating, pot inner pressure begins to ramp up, on pressure
Force value before Shenging is the first pressure.It is first time period from starting to naturally cool to recovery heating,
Stopping heating in first time period, first time period is D (such as 16 seconds).
Bottom judgement, whether temperature-sensitive bag temperature is more than the second temperature B DEG C (such as 105 DEG C), works as inspection
When the temperature measured is not more than the second temperature B DEG C, continue heat temperature raising, in pot inner pressure continuation
Rise.Wherein, the second temperature is more than the first temperature.
When more than or equal to the second temperature B DEG C, stopping heating, natural cooling, pot inner pressure starts
Declining, the force value before pressure begins to decline is the second pressure.It is heated to be to stopping from recovery heating
Second time period, within the second time period for electric pressure cooking saucepan heat, the second time period be C (such as
16 seconds).
First period and the ratio C of the second period: D is dutycycle, and this dutycycle is according to electric pressure cooking saucepan
Power and and/or the difference of volume could be arranged to different value.
Above-mentioned steps constantly circulates execution so that the pressure of electric pressure cooking saucepan is in the first pressure and the second pressure
Repeatedly change between power.
Such as, power is 900w pressure cooker and the electric pressure cooking saucepan of 1100w power, by bottom temperature-sensitive bag
Temperature maintains the first temperature A=103 DEG C, the second temperature B=105 DEG C, during dutycycle C:D=16:16,
Can be controlled by average pressure at about 40kPa, pressure limit maintains between 20kPa～70kPa.
Fig. 8 is the side that a kind of electric pressure cooking saucepan that the present invention provides controls an embodiment of the method for pressure
Method flow chart.
Electric pressure cooking saucepan is started working.To electric pressure cooking saucepan continuous heating.
Judge whether the pressure in pressure cooker reaches the first pressure threshold, if not up to, then continuing to hold
Continuous heating.
If the pressure in pressure cooker reaches the first pressure threshold, then initially enter Stress control circulation (example
Such as Fig. 7 corresponding method flow chart), and start timing.
In Stress control cyclic process, it is judged that whether Stress control cyclic process duration is less than first
Time threshold.If Stress control cyclic process duration is less than very first time threshold value, then keep pressure control
Cyclic process processed.If Stress control cyclic process duration is more than or equal to very first time threshold value, then interrupt
Stress control cyclic process.After interrupting Stress control cyclic process, electric pressure cooking saucepan enters keeping warm mode.
Accordingly, technical scheme is under conditions of without internal temperature-sensitive monitoring, by single pressure
Switch realizes pressure loop control within the specific limits, the use function of booster tension power pot.
Function described herein can hardware, performed by processor software, firmware or its
What combination is implemented.If in the software performed by processor implement, then can using function as
One or more instruction or code are stored on computer-readable media or give via computer-readable media
With transmission.Other example and embodiment are in the present invention and the scope of the appended claims and spirit
In.For example, owing to the character of software, function described above can use by processor,
The software that hardware, firmware, hardwired or the combination appointing whichever in these perform is implemented.Additionally,
Each functional unit can be integrated in a processing unit, it is also possible to is that the independent physics of unit is deposited
, it is also possible to two or more unit are integrated in a unit.
In several embodiments provided herein, it should be understood that disclosed technology contents,
Can realize by another way.Wherein, device embodiment described above is only schematically
, the division of the most described unit, can be that a kind of logic function divides, actual permissible when realizing
Have other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another
Individual system, or some features can ignore, or do not perform.Another point, shown or discussed phase
Coupling between Hu or direct-coupling or communication connection can be by some interfaces, unit or module
INDIRECT COUPLING or communication connection, can be being electrical or other form.
The described unit illustrated as separating component can be or may not be physically separate
, can be as the parts controlling device or may not be physical location, i.e. may be located at
One place, or can also be distributed on multiple unit.Can be selected it according to the actual needs
In some or all of unit realize the purpose of the present embodiment scheme.
If described integrated unit realizes and as independent product using the form of SFU software functional unit
When selling or use, can be stored in a computer read/write memory medium.Based on such
Understand, part that prior art is contributed by technical scheme the most in other words or
Completely or partially can embodying with the form of software product of this technical scheme, this computer is soft
Part product is stored in a storage medium, including some instructions with so that a computer equipment
(can be for personal computer, server or the network equipment etc.) perform described in each embodiment of the present invention
All or part of step of method.And aforesaid storage medium includes: USB flash disk, read only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory),
The various media that can store program code such as portable hard drive, magnetic disc or CD.
The foregoing is only embodiments of the invention, be not limited to the present invention, for this
For the technical staff in field, the present invention can have various modifications and variations.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright right.
Claims (13)
1. the method that an electric pressure cooking saucepan controls pressure, it is characterised in that comprise the following steps:
Detecting step, is arranged on the temperature-sensitive bag bottom electric pressure cooking saucepan and detects the temperature of electric pressure cooking saucepan；
Heater rate-determining steps, after disconnecting when pressure switch, detects according to described temperature-sensitive bag
The temperature arrived, controls the break-make of heater, particularly as follows: when described temperature is less than or equal to the first temperature
When spending, heating opened by described heater；When described temperature is more than or equal to the second temperature, described
Heater cuts out heating, and wherein the second temperature is more than the first temperature；Described first temperature is more than
In 100 DEG C and less than or equal to 108 DEG C, described second temperature is more than or equal to 102 DEG C and is less than or equal to
110℃。
Method the most according to claim 1, it is characterised in that also include pressure detecting step
With pressure switch rate-determining steps,
Described pressure detecting step, for detecting the pressure of electric pressure cooking saucepan；
Described pressure switch rate-determining steps, is used for when electric pressure cooking saucepan is in continuous heating state, when
When the described pressure detected is more than or equal to the first pressure threshold, opening pressure switchs, and triggers institute
State heater rate-determining steps.
Method the most according to claim 1 and 2, it is characterised in that also include timed process
And interrupt step,
Described timed process, for calculating the execution time of described heater rate-determining steps；
Described interrupt step, when the described execution time is more than or equal to very first time threshold value, interrupts institute
State the execution of heater rate-determining steps.
4. according to the arbitrary described method of claim 1-3, it is characterised in that described second temperature
With described first temperature difference more than or equal to 1 and less than or equal to 3.
5. according to the arbitrary described method of claim 1-3, it is characterised in that described first temperature
Be specially 102 DEG C and 104 DEG C, or 101 DEG C and 103 DEG C with described second temperature, or 104 DEG C and
106 DEG C, or 105 DEG C and 107 DEG C.
6. according to the arbitrary described method of claim 1-5, it is characterised in that also include dutycycle
Rate-determining steps, described Duty ratio control step is according to the power of electric pressure cooking saucepan and/or volumetric void fraction first
The ratio of time period and the second time period；
Described first period is that described heater is persistently located in described heater rate-determining steps
Time period in closed mode；
Described second period is that described heater is persistently located in described heater rate-determining steps
In time period of opening state.
7. the device of an electric pressure cooking saucepan control pressure, it is characterised in that include temperature-sensitive bag and add
Thermal control unit,
Described temperature-sensitive bag, is arranged on bottom electric pressure cooking saucepan, for detecting the temperature of electric pressure cooking saucepan；
Described heater control unit, after disconnecting when pressure switch, according to described temperature-sensitive bag
The temperature detected, controls the break-make of heater, particularly as follows: when described temperature is less than or equal to the
During one temperature, heating opened by described heater；When described temperature is more than or equal to the second temperature,
Described heater cuts out heating, and wherein the second temperature is more than the first temperature；Described first temperature is big
In equal to 100 DEG C and less than or equal to 108 DEG C, described second temperature is more than or equal to 102 DEG C and is less than
In 110 DEG C.
Device the most according to claim 7, it is characterised in that also include pressure sensing cell
With pressure switch control unit,
Described pressure sensing cell, for detecting the pressure of electric pressure cooking saucepan；
Described pressure switch control unit, is used for when electric pressure cooking saucepan is in continuous heating state, when
When the described pressure detected is more than or equal to the first pressure threshold, opening pressure switchs, and triggers institute
State heater control unit.
9. according to the device described in claim 7 or 8, it is characterised in that also include timing unit
And interrupt location,
Described timing unit, for calculating the working time of described heater control unit；
Described interrupt location, when the described working time is more than or equal to very first time threshold value, interrupts institute
State the work of heater control unit.
10. according to the arbitrary described device of claim 7-9, it is characterised in that described second temperature
Degree and described first temperature difference are more than or equal to 1 and less than or equal to 3.
11. according to the arbitrary described device of claim 7-9, it is characterised in that described first temperature
Degree and described second temperature are specially 102 DEG C and 104 DEG C, or 101 DEG C and 103 DEG C, or 104 DEG C with
106 DEG C, or 105 DEG C and 107 DEG C.
12. according to the arbitrary described device of claim 7-11, it is characterised in that also include duty
Ratio control unit, described Duty ratio control unit is for the power according to electric pressure cooking saucepan and/or volume
Control the ratio of first time period and the second time period；
Described first period is that described heater is held under described heater control unit controls
The continuous time period being closed；
Described second period is that described heater is held under described heater control unit controls
The continuous time period being in opening state.
13. 1 kinds of electric pressure cooking saucepans, it is characterised in that include as described in claim 7-12 is arbitrary
Electric pressure cooking saucepan controls the device of pressure.
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|---|---|---|---|
| CN201610364807.2A CN105935244A (en) | 2016-05-26 | 2016-05-26 | Pressure control method and apparatus of electric pressure cooker, and electric pressure cooker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610364807.2A CN105935244A (en) | 2016-05-26 | 2016-05-26 | Pressure control method and apparatus of electric pressure cooker, and electric pressure cooker |
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| CN201610364807.2A Pending CN105935244A (en) | 2016-05-26 | 2016-05-26 | Pressure control method and apparatus of electric pressure cooker, and electric pressure cooker |
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