CN102697388B - Electric pressure cooker with full-automatic pressure regulation and full-automatic pressure regulation method thereof - Google Patents
Electric pressure cooker with full-automatic pressure regulation and full-automatic pressure regulation method thereof Download PDFInfo
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- CN102697388B CN102697388B CN201210212282.2A CN201210212282A CN102697388B CN 102697388 B CN102697388 B CN 102697388B CN 201210212282 A CN201210212282 A CN 201210212282A CN 102697388 B CN102697388 B CN 102697388B
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Abstract
The invention relates to the technical field of electric pressure cookers, in particular to an electric pressure cooker with full-automatic pressure regulation. The electric pressure cooker structurally comprises a shell, a pot cover, an outer pot, an inner pot, a heating disc, a function control unit, a control circuit plate, a pressure stroke switch and an automatic pressure regulating device, wherein a support device is arranged at the bottom of the outer pot. Compared with the prior art, the electric pressure cooker can realize the intelligently controlled full-automatic pressure regulation according to different foods, thereby preserving the nutritive value of the different foods under the conations of optimal time, temperature and pressure; and in addition, the invention has easy intelligent control operation and convenience for use and is favorable to the popularization and the application of the electric pressure cooker.
Description
Technical field
The present invention relates to electric pressure cooking saucepan technical field, be specifically related to a kind of electric pressure cooking saucepan of full-automatic pressure regulation and the method for full-automatic pressure regulation.
Background technology
In prior art, full automatic electric pressure cooker is to be combined into closed chamber by interior pot, pot cover, sealing ring and outer pot, between heat-generating disc and outer pot, is provided with resilient supporting unit.In electric pressure cooking saucepan when work,, closed chamber internal pressure is exerted pressure to heat-generating disc by interior pot bottom after raising, then heat-generating disc by pressure conduction to heat-generating disc support foot, and then the drive installation resilient supporting unit of pot bottom outside.Because electric pressure cooking saucepan is to work under high pressure conditions, in order to guarantee the safety in utilization of electric pressure cooking saucepan, need to control the pressure in electric pressure cooking saucepan pot, make the pressure in pot be no more than safe pressure value, and realize said process, steam pressure signal in pot need to be converted to corresponding mechanical signal and the signal of telecommunication, completed again the FEEDBACK CONTROL of pot inner pressure by the mechanical device of being correlated with and electronic circuit, finally change the dynamic seal (packing) state of closed chamber and carry out the control of pressure, so that this resilient supporting unit produces distortion, utilize this deformation quantity to drive power-off protection apparatus, thereby complete the pressure control of electric pressure cooking saucepan.
(patent No. is Chinese utility model patent: 00240215.7) disclose a kind of pressure adjustable automatic electric pressure cooker, its technical scheme comprises shell, intermediate layer, enclosing cover, inner cap, pressure regulator valve, pressure override valve, heat-generating disc and pot cover retaining mechanism, one intermediate layer is set in shell, between bottom, intermediate layer and shell, support is housed, between upper edge edge, intermediate layer and shell, cover has a draining ring, inside covers pressure override valve and pressure regulator valve are housed; Wherein, pressure override valve is made up of valve, spool, valve seat, valve bonnet, spring, cushion rubber and nut.The pressure that above-mentioned electric pressure cooking saucepan is realized electric pressure cooking saucepan by pressure override valve and pressure regulator valve regulates, carry out the setting of pressure and the release of exhaust to control the pressure in pot but still need manually to control pressure override valve and control valve, in the process of the cooking, can not be according to the difference of food, and pressure is carried out to full Based Intelligent Control, and pressure override valve installation in the time producing is complicated, causes cost higher, therefore, be unfavorable for the universal of electric pressure cooking saucepan.
Therefore,, for deficiency of the prior art, need badly a kind of electric pressure cooking saucepan and the pressure regulation method that can realize according to the difference of food the full-automatic pressure regulation of Based Intelligent Control is provided.
Summary of the invention
One of object of the present invention is to avoid weak point of the prior art and the electric pressure cooking saucepan that can realize according to the difference of food the full-automatic pressure regulation of Based Intelligent Control is provided.
Two of object of the present invention is to avoid weak point of the prior art and the method that can realize according to the difference of food the full-automatic pressure regulation of Based Intelligent Control is provided.
Object of the present invention is achieved through the following technical solutions:
A kind of electric pressure cooking saucepan of full-automatic pressure regulation is provided, include shell, pot cover, outer pot, interior pot and heat-generating disc, the bottom of described outer pot is provided with resilient supporting unit, and described shell is provided with control panel, described control panel is made up of display screen and control button, also includes:
Function control unit, it is arranged at described control panel;
Control circuit board, it is arranged at described outer pot bottom, is provided with circuit control unit and heater circuit on described control circuit board;
Pressure stroke switch, it is arranged at the bottom of described outer pot outer surface, and described pressure stroke switch is connected with described heater circuit, and described pressure stroke switch is electrically connected with described circuit control unit;
Automatic pressure regulating device, it installs the bottom with described outer pot, and described automatic pressure regulating device is electrically connected with described circuit control unit;
The pressure signal output of described circuit control unit is connected with the pressure signal input of described function control unit, for the real-time working force value in electric pressure cooking saucepan is fed back to described function control unit by pressure signal;
The voltage signal output end of described function control unit is connected with the voltage signal input of described circuit control unit, carries out pressure adjusting for controlling described automatic pressure regulating device;
Wherein, described automatic pressure regulating device includes and is installed on the support of outer pot bottom, the pressure regulating wheel that is fixed on described support and pressure minitrim wheel and motor, described pressure regulating wheel coordinates with the described pressure fine setting gear teeth, the output shaft of described motor is connected with described pressure minitrim wheel, spins and be provided with pressure fine adjustment shaft in the gear shaft of described pressure regulating wheel.
Wherein, described resilient supporting unit is and the integrated conical boss of described outer pot bottom that described conical boss is connected with the feet of described heat-generating disc.
Wherein, described conical boss is set to 6.
Wherein, the one-body molded reinforcement that is provided with in the bottom of described outer pot, described reinforcement is to the central protuberance of described outer pot bottom, and extension is distributed in the bottom of whole described outer pot.
the present invention also providesa method for the full-automatic pressure regulation of electric pressure cooking saucepan, includes following steps:
Step a, according to the food species of required culinary art, select the control button of corresponding food species on control panel, function control unit determines that according to the intelligent program of setting the automatic pressure regulation value of this food species culinary art is P, then function control unit is sent pulse voltage value to circuit control unit, and circuit control unit determines that instruction works force value is P;
The benchmark job force value of step b, electric pressure cooking saucepan initial setting is P
o, circuit control unit is benchmark job pressure value P by operating pressure
opressure signal feed back to function control unit, the then intelligent program calculative determination of function control unit, the process of carrying out automatic pressure adjusting;
Wherein, the process that described automatic pressure regulates includes following steps:
Step b1, determine P when function control unit
owhen < P, function control unit sends negative pulse voltage value to circuit control unit, circuit control unit output negative voltage driving motor output shaft is rotated counterclockwise, band dynamic pressure minitrim wheel is rotated counterclockwise, then be with dynamic pressure regulating wheel to be rotated counterclockwise, pressure fine adjustment shaft is adjusted to pine, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch, the deformation quantity of increase resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P;
Step b2, determine P when function control unit
owhen > P, function control unit sends positive pulse magnitude of voltage to circuit control unit, circuit control unit output positive voltage drive motors output shaft is turned clockwise, band dynamic pressure minitrim wheel turns clockwise, then be with dynamic pressure regulating wheel to turn clockwise, pressure fine adjustment shaft is tightened, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch, the deformation quantity of minimizing resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P.
Wherein, the value range of described automatic pressure regulation value P is 0Kpa～70Kpa.
beneficial effect of the present invention:
When the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention is worked, according to the food species of required culinary art, the control button (as rice, meat etc. are controlled button) of selecting corresponding food species on control panel 6, function control unit determines that according to the intelligent program of setting the automatic pressure regulation value of this food species culinary art is P(0Kpa < P≤70Kpa); Then function control unit is sent pulse voltage value to circuit control unit 7, and circuit control unit 7 determines that instruction works force value is P; The benchmark job force value of electric pressure cooking saucepan initial setting is P
o, circuit control unit 7 is benchmark job pressure value P by operating pressure
opressure signal feed back to function control unit, the then intelligent program calculative determination of function control unit, the process of carrying out automatic pressure adjusting:
1) when function control unit is determined P
owhen < P, function control unit sends negative pulse voltage value to circuit control unit 7, making circuit control unit 7 export negative voltage driving motor 84 output shafts is rotated counterclockwise, band dynamic pressure minitrim wheel 83 is rotated counterclockwise, then be with dynamic pressure regulating wheel 82 to be rotated counterclockwise, pressure fine adjustment shaft 821 is adjusted to pine, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch 9, the deformation quantity of increase resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P;
2) when function control unit is determined P
owhen > P, function control unit sends positive pulse magnitude of voltage to circuit control unit 7, making circuit control unit 7 export positive voltage drive motors 84 output shafts turns clockwise, band dynamic pressure minitrim wheel 83 turns clockwise, then be with dynamic pressure regulating wheel 82 to turn clockwise, pressure fine adjustment shaft 821 is tightened, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch 9, the deformation quantity of minimizing resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P.
Thus, the automatic pressure that electric pressure cooking saucepan of the present invention has been realized in the pressure limit value of 0Kpa～70Kpa regulates, make different food under best time, temperature and pressure condition, preserve the nutritive value of food, the intelligent control of whole process, simple to operate, easy to use, is conducive to the universal and application of electric pressure cooking saucepan.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention.
Fig. 2 is the structural representation of the use state of the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention.
Fig. 3 is the structural representation of the outer pot bottom of the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention.
Fig. 4 is the structural representation of the automatic pressure regulating device of the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention.
Fig. 5 is the structural representation of another angle of the automatic pressure regulating device of the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention.
Fig. 6 is the cross-sectional view of the automatic pressure regulating device of the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention.
In Fig. 1 to Fig. 6, include:
Shell 1;
Outer pot 4, conical boss 41, reinforcement 42;
Heat-generating disc 5, feet 51;
Control panel 6, display screen 61, control button 62;
Circuit control unit 7;
Automatic pressure regulating device 8, support 81, pressure regulating wheel 82, pressure fine adjustment shaft 821, pressure minitrim wheel 83, motor 84;
Pressure stroke switch 9.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
embodiment 1
The embodiment 1 of the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention as shown in Figures 1 to 6, include shell 1, pot cover 2, outer pot 4, interior pot 3 and heat-generating disc 5, the bottom of outer pot 4 is provided with resilient supporting unit, shell 1 is provided with control panel 6, control panel 6 is made up of display screen 61 and control button 62, and electric pressure cooking saucepan also includes:
Function control unit, it is arranged at control panel 6;
Control circuit board, it is arranged at outer pot 4 bottoms, is provided with circuit control unit 7 and heater circuit on control circuit board;
Pressure stroke switch 9, it is arranged at the bottom of outer pot 4 outer surfaces, and pressure stroke switch 9 is connected with heater circuit, and pressure stroke switch 9 is electrically connected with circuit control unit 7;
Automatic pressure regulating device 8, it installs the bottom with outer pot 4, and automatic pressure regulating device 8 is electrically connected with circuit control unit 7;
The pressure signal output of circuit control unit 7 is connected with the pressure signal input of function control unit, for the real-time working force value in electric pressure cooking saucepan is fed back to function control unit by pressure signal;
The voltage signal output end of function control unit is connected with the voltage signal input of circuit control unit 7, carries out pressure adjusting for controlling automatic pressure regulating device 8;
Automatic pressure regulating device 8 includes and is installed on the support 81 of outer pot 4 bottoms, the pressure regulating wheel 82 that is fixed on support 81 and pressure minitrim wheel 83 and motor 84, pressure regulating wheel 82 coordinates with pressure minitrim wheel 83 teeth, the output shaft of motor 84 is connected with pressure minitrim wheel 83, spins and be provided with pressure fine adjustment shaft 821 in the gear shaft of pressure regulating wheel 82.
The operation principle of full-automatic pressure regulation electric pressure cooking saucepan of the present invention is as follows:
When work, according to the food species of required culinary art, the control button (as rice, meat etc. are controlled button) of selecting corresponding food species on control panel 6, function control unit determines that according to the intelligent program of setting the automatic pressure regulation value of this food species culinary art is P(0Kpa < P≤70Kpa);
Then function control unit is sent pulse voltage value to circuit control unit 7, and circuit control unit 7 determines that instruction works force value is P; The benchmark job force value of electric pressure cooking saucepan initial setting is P
o, circuit control unit 7 is benchmark job pressure value P by operating pressure
opressure signal feed back to function control unit, the then intelligent program calculative determination of function control unit, the process of carrying out automatic pressure adjusting:
1) when function control unit is determined P
owhen < P, function control unit sends negative pulse voltage value to circuit control unit 7, making circuit control unit 7 export negative voltage driving motor 84 output shafts is rotated counterclockwise, band dynamic pressure minitrim wheel 83 is rotated counterclockwise, then be with dynamic pressure regulating wheel 82 to be rotated counterclockwise, pressure fine adjustment shaft 821 is adjusted to pine, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch 9, the deformation quantity of increase resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P;
2) when function control unit is determined P
owhen > P, function control unit sends positive pulse magnitude of voltage to circuit control unit 7, making circuit control unit 7 export positive voltage drive motors 84 output shafts turns clockwise, band dynamic pressure minitrim wheel 83 turns clockwise, then be with dynamic pressure regulating wheel 82 to turn clockwise, pressure fine adjustment shaft 821 is tightened, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch 9, the deformation quantity of minimizing resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P;
When completing after automatic pressure adjusting, electric pressure cooking saucepan starts heating cooking, inner pot pressure constantly raises, and makes resilient supporting unit produce deformation, and the pressure signal that circuit control unit 7 is converted into the mechanical signal of resilient supporting unit deformation quantity feeds back to function control unit; When the deformation quantity of resilient supporting unit reaches after setting value, function control unit is sent power-off signal to circuit control unit 7, and pressure stroke switch 9 disconnects with heater circuit, thereby stops heating, proceeds to pressurize program.
Thus, the automatic pressure that electric pressure cooking saucepan of the present invention has been realized in the pressure limit value of 0Kpa～70Kpa regulates, make different food under best time, temperature and pressure condition, preserve the nutritive value of food, and the intelligent control of whole process, simple to operate, easy to use is conducive to the universal and application of electric pressure cooking saucepan.
The embodiment 2 of the electric pressure cooking saucepan of a kind of full-automatic pressure regulation of the present invention is referring to Fig. 2 and Fig. 3, and on the basis of embodiment 1, unaccounted feature in the present embodiment, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is:
Resilient supporting unit is set to and the outer pot 4 integrated conical boss 41 in bottom, and conical boss 41 is connected with the feet 51 of heat-generating disc 5.
This taper shape boss 41 has replaced the circular diving board that needs independent processing in prior art, can be by conical boss 41 and outer pot 4 one machine-shapings in the time producing, and without assembling separately and dismantling, therefore, have advantages of that processing is simple, save material, easy accessibility, thereby greatly save production cost, economical and practical, be conducive to the universal of electric pressure cooking saucepan.
Concrete, conical boss 41 is set to 6.
Distance between the center of circle and the center of circle of outer pot 4 place, bottom planes of conical boss 41 place planes all equates.
Line between the center of circle of conical boss 41 place planes forms regular hexagon.
Adopt above-mentioned structure, 6 conical boss 41 are distributed in the surrounding at the center of outer pot 4 bottoms equably, thereby make the bottom of outer pot 4 have sufficient intensity, can bear larger amount of elastic deformation, and then can improve the pressure control precision of electric pressure cooking saucepan.
In the present embodiment, the one-body molded reinforcement 42 that is provided with in the bottom of outer pot 4.
Concrete, reinforcement 42 is to the central protuberance of outer pot 4 bottoms, and extends and be distributed in the bottom of whole outer pot 4, thereby makes the bottom of outer pot 4 have sufficient intensity, can bear larger amount of elastic deformation.
Further, the center that conical boss 41 connects a side of heat-generating disc 5 is provided with the fixing hole for connecting this heat-generating disc 5.
The feet 51 of heat-generating disc 5 is fixedly connected with conical boss 41 by screw, and certainly, the feet 51 of heat-generating disc 5 also can adopt other connected mode to be fixedly connected with conical boss 41.
The operation principle of resilient supporting unit is as follows:
When electric pressure cooking saucepan work, in electric pressure cooking saucepan, form airtight space, heat-generating disc 5 generates heat, pot inner pressure is raise, heat-generating disc 5 pressure-bearings are also exerted pressure to conical boss 41 by feet 51, make conical boss 41 pressurizeds produce downward strain, in the time that resilient supporting unit generation deformation quantity reaches setting value, pressure stroke switch 9 disconnects heater circuit, stops heating; Thereupon, electric pressure cooking saucepan internal pressure declines gradually, heat-generating disc 5 pressure-bearings reduce, conical boss 41 upwards recovers gradually deformation under self elastic reaction, in the time that the pressure drop in electric pressure cooking saucepan makes resilient supporting unit generation deformation quantity return to setting value, pressure stroke switch 9 makes heater circuit closure, heat-generating disc 5 recovery heatings; Circulation and so forth, until cooked.
The embodiment 3 of the method for the full-automatic pressure regulation of electric pressure cooking saucepan of the present invention, referring to Fig. 1 to Fig. 6, includes following steps:
Step a, according to the food species of required culinary art, select the control button (as rice, meat etc. are controlled button) of corresponding food species on control panel 6, function control unit determines that according to the intelligent program of setting the automatic pressure regulation value of this food species culinary art is P, then function control unit is sent pulse voltage value to circuit control unit 7, and circuit control unit 7 determines that instruction works force value is P;
The benchmark job force value of step b, electric pressure cooking saucepan initial setting is P
o, circuit control unit 7 is benchmark job pressure value P by operating pressure
opressure signal feed back to function control unit, the then intelligent program calculative determination of function control unit, the process of carrying out automatic pressure adjusting;
Wherein, the process that automatic pressure regulates includes following steps:
Step b1, determine P when function control unit
owhen < P, function control unit sends negative pulse voltage value to circuit control unit 7, making circuit control unit 7 export negative voltage driving motor 84 output shafts is rotated counterclockwise, band dynamic pressure minitrim wheel 83 is rotated counterclockwise, then be with dynamic pressure regulating wheel 82 to be rotated counterclockwise, pressure fine adjustment shaft 821 is adjusted to pine, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch 9, the deformation quantity of increase resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P;
Step b2, determine P when function control unit
owhen > P, function control unit sends positive pulse magnitude of voltage to circuit control unit 7, making circuit control unit 7 export positive voltage drive motors 84 output shafts turns clockwise, band dynamic pressure minitrim wheel 83 turns clockwise, then be with dynamic pressure regulating wheel 82 to turn clockwise, pressure fine adjustment shaft 821 is tightened, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch 9, the deformation quantity of minimizing resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P.
Concrete, 0 Kpa < P≤70Kpa, electric pressure cooking saucepan can be realized the automatic pressure regulation in 0 Kpa～70Kpa value range.
When completing after automatic pressure adjusting, electric pressure cooking saucepan starts heating cooking, inner pot pressure constantly raises, and makes resilient supporting unit produce deformation, and the pressure signal that circuit control unit 7 is converted into the mechanical signal of resilient supporting unit deformation quantity feeds back to function control unit; When the deformation quantity of resilient supporting unit reaches after setting value, function control unit is sent power-off signal to circuit control unit 7, and pressure stroke switch 9 disconnects with heater circuit, thereby stops heating, proceeds to pressurize program.
The electric pressure cooking saucepan of the present embodiment adopts the structure of embodiment 2.
embodiment 4
The embodiment 4 of the method for the full-automatic pressure regulation of electric pressure cooking saucepan of the present invention, referring to Fig. 1 to Fig. 6, includes following steps:
The control button of " rice " on step 1, selection control panel 6, function control unit determines that according to the intelligent program of setting the automatic pressure regulation value of " rice " is 65Kpa, then function control unit is sent pulse voltage value to circuit control unit 7, and instruction works force value is 65Kpa;
The benchmark job force value of step 2, electric pressure cooking saucepan initial setting is 55Kpa, the pressure signal that circuit control unit 7 is 55 Kpa by operating pressure feeds back to function control unit, then the intelligent program calculative determination of function control unit, the process of carrying out automatic pressure adjusting;
The embodiment 5 of the method for the full-automatic pressure regulation of electric pressure cooking saucepan of the present invention, referring to Fig. 1 to Fig. 6, includes following steps:
The control button of " meat " on step 1, selection control panel 6, function control unit determines that according to the intelligent program of setting the automatic pressure regulation value of " rice " is 50Kpa, then function control unit is sent pulse voltage value to circuit control unit 7, and instruction works force value is 50Kpa;
The benchmark job force value of step 2, electric pressure cooking saucepan initial setting is 55 Kpa, the pressure signal that circuit control unit 7 is 55Kpa by operating pressure feeds back to function control unit, then the intelligent program calculative determination of function control unit, the process of carrying out automatic pressure adjusting;
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although the present invention has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.
Claims (6)
1. the electric pressure cooking saucepan of a full-automatic pressure regulation, include shell, pot cover, outer pot, interior pot and heat-generating disc, the bottom of described outer pot is provided with resilient supporting unit, and described shell is provided with control panel, described control panel is made up of display screen and control button, it is characterized in that: also include:
Function control unit, it is arranged at described control panel;
Control circuit board, it is arranged at described outer pot bottom, is provided with circuit control unit and heater circuit on described control circuit board;
Pressure stroke switch, it is arranged at the bottom of described outer pot outer surface, and described pressure stroke switch is connected with described heater circuit, and described pressure stroke switch is electrically connected with described circuit control unit;
Automatic pressure regulating device, it installs the bottom with described outer pot, and described automatic pressure regulating device is electrically connected with described circuit control unit;
The pressure signal output of described circuit control unit is connected with the pressure signal input of described function control unit, for the real-time working force value in electric pressure cooking saucepan is fed back to described function control unit by pressure signal;
The voltage signal output end of described function control unit is connected with the voltage signal input of described circuit control unit, carries out pressure adjusting for controlling described automatic pressure regulating device;
Wherein, described automatic pressure regulating device includes and is installed on the support of outer pot bottom, the pressure regulating wheel that is fixed on described support and pressure minitrim wheel and motor, described pressure regulating wheel coordinates with the described pressure fine setting gear teeth, the output shaft of described motor is connected with described pressure minitrim wheel, spins and be provided with pressure fine adjustment shaft in the gear shaft of described pressure regulating wheel.
2. the electric pressure cooking saucepan of a kind of full-automatic pressure regulation according to claim 1, is characterized in that: described resilient supporting unit is and the integrated conical boss of described outer pot bottom that described conical boss is connected with the feet of described heat-generating disc.
3. the electric pressure cooking saucepan of a kind of full-automatic pressure regulation according to claim 2, is characterized in that: described conical boss is set to 6.
4. the electric pressure cooking saucepan of a kind of full-automatic pressure regulation according to claim 1, it is characterized in that: the one-body molded reinforcement that is provided with in bottom of described outer pot, described reinforcement is to the central protuberance of described outer pot bottom, and extension is distributed in the bottom of whole described outer pot.
5. the method for the full-automatic pressure regulation of the electric pressure cooking saucepan as described in claim 1 to 4 any one, is characterized in that: include following steps:
Step a, according to the food species of required culinary art, select the control button of corresponding food species on control panel, function control unit determines that according to the intelligent program of setting the automatic pressure regulation value of this food species culinary art is P, then function control unit is sent pulse voltage value to circuit control unit, and circuit control unit determines that instruction works force value is P;
The benchmark job force value of step b, electric pressure cooking saucepan initial setting is P
o, circuit control unit is benchmark job pressure value P by operating pressure
opressure signal feed back to function control unit, the then intelligent program calculative determination of function control unit, the process of carrying out automatic pressure adjusting;
Wherein, the process that described automatic pressure regulates includes following steps:
Step b1, determine P when function control unit
owhen < P, function control unit sends negative pulse voltage value to circuit control unit, circuit control unit output negative voltage driving motor output shaft is rotated counterclockwise, band dynamic pressure minitrim wheel is rotated counterclockwise, then be with dynamic pressure regulating wheel to be rotated counterclockwise, pressure fine adjustment shaft is adjusted to pine, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch, the deformation quantity of increase resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P;
Step b2, determine P when function control unit
owhen > P, function control unit sends positive pulse magnitude of voltage to circuit control unit, circuit control unit output positive voltage drive motors output shaft is turned clockwise, band dynamic pressure minitrim wheel turns clockwise, then be with dynamic pressure regulating wheel to turn clockwise, pressure fine adjustment shaft is tightened, thereby change benchmark job pressure value P
o, the stroke of change pressure stroke switch, the deformation quantity of minimizing resilient supporting unit, to complete automatic Regulation, realizing instruction works force value is P.
6. the method for the full-automatic pressure regulation of electric pressure cooking saucepan according to claim 5, is characterized in that: the value range of described automatic pressure regulation value P is 0Kpa～70Kpa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210212282.2A CN102697388B (en) | 2012-06-26 | 2012-06-26 | Electric pressure cooker with full-automatic pressure regulation and full-automatic pressure regulation method thereof |
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| CN201210212282.2A CN102697388B (en) | 2012-06-26 | 2012-06-26 | Electric pressure cooker with full-automatic pressure regulation and full-automatic pressure regulation method thereof |
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| CN104172903B (en) * | 2014-08-29 | 2016-08-31 | 广东美的厨房电器制造有限公司 | Steam cooking apparatus and cooking control method thereof and system |
| CN105380505B (en) * | 2014-09-03 | 2017-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjusting device for pressure limiting valve and electric heating cooking utensil |
| CN107684340B (en) * | 2016-08-03 | 2020-12-22 | 佛山市顺德区美的电热电器制造有限公司 | Electric pressure cooker |
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| EP0919169A1 (en) * | 1997-11-27 | 1999-06-02 | Guangdong Rongsheng Electric Holding Co., Ltd. | Pressure adjustable electric pressure cooker |
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| CN102225002A (en) * | 2011-05-12 | 2011-10-26 | 广东伊立浦电器股份有限公司 | Mechanical pressure regulation type electric pressure cooker |
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|---|---|
| CN102697388A (en) | 2012-10-03 |
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