CN105444946A - Electric pressure cooker, and pressure detecting method and pressure detecting device used for same - Google Patents
Electric pressure cooker, and pressure detecting method and pressure detecting device used for same Download PDFInfo
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- CN105444946A CN105444946A CN201410443207.6A CN201410443207A CN105444946A CN 105444946 A CN105444946 A CN 105444946A CN 201410443207 A CN201410443207 A CN 201410443207A CN 105444946 A CN105444946 A CN 105444946A
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Abstract
The invention provides a pressure detecting method used for an electric pressure cooker, a pressure detecting device used for the electric pressure cooker, and the electric pressure cooker. The pressure detecting method comprises the steps of: detecting a pressure simulation signal value inside the electric pressure cooker through a pressure sensor arranged in the electric pressure cooker; subjecting the pressure simulation signal value to analog-to-digital conversion to obtain a pressure digital signal value; and calculating a pressure value in the electric pressure cooker according to the pressure digital signal value and a pressure value calculation formula. Through the pressure detecting method and the pressure detecting device, pressure inside the electric pressure cooker can be detected directly, quickly and accurately, thereby bringing convenience for a control device in the electric pressure cooker to control pressure inside the electric pressure cooker.
Description
Technical field
The present invention relates to technical field of pressure detection, in particular to a kind of pressure detection method for electric pressure cooking saucepan, a kind of pressure-detecting device for electric pressure cooking saucepan and a kind of electric pressure cooking saucepan.
Background technology
In correlation technique, when detecting the pressure in electric pressure cooking saucepan, temperature sensor is normally adopted to detect vapor (steam) temperature in electric pressure cooking saucepan, with by the pressure in vapor (steam) temperature determination electric pressure cooking saucepan.
Because vapor (steam) temperature is easily subject to the impact of cold air in pot, the vapor (steam) temperature that detects can be caused inaccurate, cause according to the force value in vapor (steam) temperature estimation electric pressure cooking saucepan inaccurate, the speed of simultaneous temperature sensor detected temperatures is slow, therefore comparatively greatly, measurement result is not accurate for the force value adopting the pressure in temperature sensor indirect detection electric pressure cooking saucepan can cause measuring and actual value deviation.
Therefore, how accurately the pressure detected in electric pressure cooking saucepan becomes technical matters urgently to be resolved hurrily.
Summary of the invention
The present invention is intended at least to solve one of technical matters existed in prior art or correlation technique.
For this reason, one object of the present invention is to propose a kind of pressure detection method that Voltage force pot inner pressure can be detected directly, quickly and accurately.
Another object of the present invention is to propose a kind of pressure-detecting device for electric pressure cooking saucepan.
Another object of the present invention is to propose a kind of electric pressure cooking saucepan.
For achieving the above object, embodiment according to a first aspect of the invention, proposes a kind of pressure detection method for electric pressure cooking saucepan, comprising: detect the pressure simulation signal value in described electric pressure cooking saucepan by the pressure transducer be arranged in electric pressure cooking saucepan; Described pressure simulation signal value is carried out analog to digital conversion, obtains pressure on the number signal value; The force value in described electric pressure cooking saucepan is calculated according to described pressure on the number signal value and force value computing formula.
Pressure detection method according to an embodiment of the invention, by the pressure simulation signal value in pressure transducer direct-detection electric pressure cooking saucepan, can be direct, the pressure in electric pressure cooking saucepan detected rapidly, so that the control device in electric pressure cooking saucepan controls the pressure in pot, avoid in correlation technique the vapor (steam) temperature adopted in temperature sensor detection electric pressure cooking saucepan, and during according to pressure in the corresponding relation calculating voltage power pot of vapor (steam) temperature and pressure, because vapor (steam) temperature to cause by the cold air in electric pressure cooking saucepan affects the not problem accurately of the pressure survey in electric pressure cooking saucepan.And by according to the force value in pressure on the number signal value and force value computing formula calculating voltage power pot, the force value of degree of precision can be obtained.Wherein, pressure transducer can be arranged on the pot cover of electric pressure cooking saucepan.
In addition, pressure detection method according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to one embodiment of present invention, described force value computing formula is corresponding with the type of described pressure transducer.
Pressure detection method according to an embodiment of the invention, because the parameter of different pressure transducers is different, therefore, can arrange corresponding force value computing formula for different pressure transducers.Particularly, the pressure transducer according to one embodiment of present invention, when pressure on the number signal value is 8, can adopt following formula to calculate:
P=(AD_DEC/255+0.01429)/0.00229, wherein P is the force value in electric pressure cooking saucepan, AD_DEC is pressure on the number signal value, 255 for corresponding to the parameter value of the precision of pressure on the number signal value, and 0.01429 and 0.00229 is the constant value obtained according to the actual parameter of pressure transducer.
According to one embodiment of present invention, before calculating the force value in described electric pressure cooking saucepan according to described pressure on the number signal value and the force value computing formula corresponding with the type of described pressure transducer, also comprise: the type storing multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer; Type according to described pressure transducer obtains the force value computing formula corresponding with the type of described pressure transducer.
Pressure detection method according to an embodiment of the invention, by storing the type of multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer, make when needing the force value in calculating voltage power pot, corresponding force value computing formula can be got according to the type of pressure transducer easily, and then the force value in electric pressure cooking saucepan is calculated.
According to one embodiment of present invention, also comprise: regulate parameter value corresponding with described precision in described force value computing formula according to the precision of described pressure on the number signal value.
Specifically, pressure transducer according to one embodiment of present invention, when pressure on the number signal value is 8, namely when the precision of pressure on the number signal value is 8, following formula can be adopted to calculate: P=(AD_DEC/255+0.01429)/0.00229, wherein P is the force value in electric pressure cooking saucepan, AD_DEC is pressure on the number signal value, 0.01429 and 0.00229 is the constant value obtained according to the actual parameter of pressure transducer, and wherein 255 is the parameter value corresponding with the precision of pressure on the number signal value; And when pressure on the number signal value is 10, when namely the precision of pressure on the number signal value is 10, following formula can be adopted to calculate:
P=(AD_DEC/1023+0.01429)/0.00229, wherein 1023 is the parameter value corresponding with the precision of pressure on the number signal value.
Embodiment according to a second aspect of the present invention, also proposed a kind of pressure-detecting device for electric pressure cooking saucepan, comprising: pressure transducer, be arranged on the inside of described electric pressure cooking saucepan, for detecting the pressure simulation signal value in described electric pressure cooking saucepan; Analog to digital converter, is connected to described pressure transducer, is converted to pressure on the number signal value for the described pressure simulation signal value detected by described pressure transducer; Processing unit, is connected to described analog to digital converter, for calculating the force value in described electric pressure cooking saucepan according to the described pressure on the number signal value after described analog to digital converter conversion and force value computing formula.
Pressure-detecting device according to an embodiment of the invention, by the pressure simulation signal value in pressure transducer direct-detection electric pressure cooking saucepan, can be direct, the pressure in electric pressure cooking saucepan detected rapidly, so that the control device in electric pressure cooking saucepan controls the pressure in pot, avoid in correlation technique the vapor (steam) temperature adopted in temperature sensor detection electric pressure cooking saucepan, and during according to pressure in the corresponding relation calculating voltage power pot of vapor (steam) temperature and pressure, because vapor (steam) temperature to cause by the cold air in electric pressure cooking saucepan affects the not problem accurately of the pressure survey in electric pressure cooking saucepan.And by according to the force value in pressure on the number signal value and force value computing formula calculating voltage power pot, the force value of degree of precision can be obtained.Wherein, pressure transducer can be arranged on the pot cover of electric pressure cooking saucepan.
According to one embodiment of present invention, described force value computing formula is corresponding with the type of described pressure transducer.
Pressure-detecting device according to an embodiment of the invention, because the parameter of different pressure transducers is different, therefore, can arrange corresponding force value computing formula for different pressure transducers.Particularly, the pressure transducer according to one embodiment of present invention, when pressure on the number signal value is 8, can adopt following formula to calculate:
P=(AD_DEC/255+0.01429)/0.00229, wherein P is the force value in electric pressure cooking saucepan, AD_DEC is pressure on the number signal value, 255 for corresponding to the parameter value of the precision of pressure on the number signal value, and 0.01429 and 0.00229 is the constant value obtained according to the actual parameter of pressure transducer.
According to one embodiment of present invention, also comprise: storage unit, for storing the type of multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer; Described processing unit also for, obtain the force value computing formula corresponding with the type of described pressure transducer according to the type of described pressure transducer.
Pressure-detecting device according to an embodiment of the invention, by storing the type of multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer, make when needing the force value in calculating voltage power pot, corresponding force value computing formula can be got according to the type of pressure transducer easily, and then the force value in electric pressure cooking saucepan is calculated.
According to one embodiment of present invention, described processing unit also for: the precision according to the pressure on the number signal value after the conversion of described analog to digital converter regulates parameter value corresponding with described precision in described force value computing formula.
Specifically, pressure transducer according to one embodiment of present invention, when pressure on the number signal value is 8, namely when the precision of pressure on the number signal value is 8, following formula can be adopted to calculate: P=(AD_DEC/255+0.01429)/0.00229, wherein P is the force value in electric pressure cooking saucepan, AD_DEC is pressure on the number signal value, 0.01429 and 0.00229 is the constant value obtained according to the actual parameter of pressure transducer, and wherein 255 is the parameter value corresponding with the precision of pressure on the number signal value; And when pressure on the number signal value is 10, when namely the precision of pressure on the number signal value is 10, following formula can be adopted to calculate:
P=(AD_DEC/1023+0.01429)/0.00229, wherein 1023 is the parameter value corresponding with the precision of pressure on the number signal value.
Embodiment according to a third aspect of the present invention, also proposed a kind of electric pressure cooking saucepan, comprising: the pressure-detecting device for electric pressure cooking saucepan described in above-mentioned any one embodiment.
As one embodiment of the present of invention, above-mentioned electric pressure cooking saucepan also comprises: control module, for the force value in the described electric pressure cooking saucepan that calculates according to described processing unit, the heating arrangement controlled in described electric pressure cooking saucepan carries out heating or stop heating, to be maintained in preset range by the pressure in described electric pressure cooking saucepan.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows according to an embodiment of the invention for the schematic flow diagram of the pressure detection method of electric pressure cooking saucepan;
Fig. 2 shows according to an embodiment of the invention for the schematic block diagram of the pressure-detecting device of electric pressure cooking saucepan;
Fig. 3 shows the schematic block diagram of electric pressure cooking saucepan according to an embodiment of the invention.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows according to an embodiment of the invention for the schematic flow diagram of the pressure detection method of electric pressure cooking saucepan.
As shown in Figure 1, according to an embodiment of the invention for the pressure detection method of electric pressure cooking saucepan, comprising: step 102, detect the pressure simulation signal value in described electric pressure cooking saucepan by the pressure transducer be arranged in electric pressure cooking saucepan; Step 104, carries out analog to digital conversion by described pressure simulation signal value, obtains pressure on the number signal value; Step 106, calculates the force value in described electric pressure cooking saucepan according to described pressure on the number signal value and force value computing formula.
By the pressure simulation signal value in pressure transducer direct-detection electric pressure cooking saucepan, the pressure in electric pressure cooking saucepan can be detected directly, rapidly, so that the control device in electric pressure cooking saucepan controls the pressure in pot, avoid in correlation technique the vapor (steam) temperature adopted in temperature sensor detection electric pressure cooking saucepan, and during according to pressure in the corresponding relation calculating voltage power pot of vapor (steam) temperature and pressure, because vapor (steam) temperature to cause by the cold air in electric pressure cooking saucepan affects the not problem accurately of the pressure survey in electric pressure cooking saucepan.And by according to the force value in pressure on the number signal value and force value computing formula calculating voltage power pot, the force value of degree of precision can be obtained.Wherein, pressure transducer can be arranged on the pot cover of electric pressure cooking saucepan.
In addition, pressure detection method according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to one embodiment of present invention, described force value computing formula is corresponding with the type of described pressure transducer.
Because the parameter of different pressure transducers is different, therefore, corresponding force value computing formula can be set for different pressure transducers.Particularly, the pressure transducer according to one embodiment of present invention, when pressure on the number signal value is 8, can adopt following formula to calculate:
P=(AD_DEC/255+0.01429)/0.00229, wherein P is the force value in electric pressure cooking saucepan, AD_DEC is pressure on the number signal value, 255 for corresponding to the parameter value of the precision of pressure on the number signal value, and 0.01429 and 0.00229 is the constant value obtained according to the actual parameter of pressure transducer.
According to one embodiment of present invention, before calculating the force value in described electric pressure cooking saucepan according to described pressure on the number signal value and the force value computing formula corresponding with the type of described pressure transducer, also comprise: the type storing multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer; Type according to described pressure transducer obtains the force value computing formula corresponding with the type of described pressure transducer.
By storing the type of multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer, make when needing the force value in calculating voltage power pot, corresponding force value computing formula can be got according to the type of pressure transducer easily, and then the force value in electric pressure cooking saucepan is calculated.
According to one embodiment of present invention, also comprise: regulate parameter value corresponding with described precision in described force value computing formula according to the precision of described pressure on the number signal value.
Specifically, pressure transducer according to one embodiment of present invention, when pressure on the number signal value is 8, namely when the precision of pressure on the number signal value is 8, following formula can be adopted to calculate: P=(AD_DEC/255+0.01429)/0.00229, wherein P is the force value in electric pressure cooking saucepan, AD_DEC is pressure on the number signal value, 0.01429 and 0.00229 is the constant value obtained according to the actual parameter of pressure transducer, and wherein 255 is the parameter value corresponding with the precision of pressure on the number signal value; And when pressure on the number signal value is 10, when namely the precision of pressure on the number signal value is 10, following formula can be adopted to calculate:
P=(AD_DEC/1023+0.01429)/0.00229, wherein 1023 is the parameter value corresponding with the precision of pressure on the number signal value.
Fig. 2 shows according to an embodiment of the invention for the schematic block diagram of the pressure-detecting device of electric pressure cooking saucepan.
As shown in Figure 2, according to an embodiment of the invention for the pressure-detecting device 200 of electric pressure cooking saucepan, comprising: pressure transducer 202, be arranged on the inside of described electric pressure cooking saucepan, for detecting the pressure simulation signal value in described electric pressure cooking saucepan; Analog to digital converter 204, is connected to described pressure transducer 202, is converted to pressure on the number signal value for the described pressure simulation signal value detected by described pressure transducer 202; Processing unit 206, is connected to described analog to digital converter 204, for calculating the force value in described electric pressure cooking saucepan according to the described pressure on the number signal value after described analog to digital converter 204 conversion and force value computing formula.
By the pressure simulation signal value in pressure transducer 202 direct-detection electric pressure cooking saucepan, the pressure in electric pressure cooking saucepan can be detected directly, rapidly, so that the control device in electric pressure cooking saucepan controls the pressure in pot, avoid in correlation technique the vapor (steam) temperature adopted in temperature sensor detection electric pressure cooking saucepan, and during according to pressure in the corresponding relation calculating voltage power pot of vapor (steam) temperature and pressure, because vapor (steam) temperature to cause by the cold air in electric pressure cooking saucepan affects the not problem accurately of the pressure survey in electric pressure cooking saucepan.And by according to the force value in pressure on the number signal value and force value computing formula calculating voltage power pot, the force value of degree of precision can be obtained.Wherein, pressure transducer 202 can be arranged on the pot cover of electric pressure cooking saucepan.
According to one embodiment of present invention, described force value computing formula is corresponding with the type of described pressure transducer 202.
Because the parameter of different pressure transducers is different, therefore, corresponding force value computing formula can be set for different pressure transducers.Particularly, the pressure transducer according to one embodiment of present invention, when pressure on the number signal value is 8, can adopt following formula to calculate:
P=(AD_DEC/255+0.01429)/0.00229, wherein P is the force value in electric pressure cooking saucepan, AD_DEC is pressure on the number signal value, 255 for corresponding to the parameter value of the precision of pressure on the number signal value, and 0.01429 and 0.00229 is the constant value obtained according to the actual parameter of pressure transducer.
According to one embodiment of present invention, also comprise: storage unit 208, for storing the type of multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer; Described processing unit 206 also for, obtain the force value computing formula corresponding with the type of described pressure transducer 202 according to the type of described pressure transducer 202.
By storing the type of multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer, make when needing the force value in calculating voltage power pot, corresponding force value computing formula can be got according to the type of pressure transducer easily, and then the force value in electric pressure cooking saucepan is calculated.
According to one embodiment of present invention, described processing unit 206 also for: the precision of the pressure on the number signal value after changing according to described analog to digital converter 204 regulates parameter value corresponding with described precision in described force value computing formula.
Specifically, pressure transducer according to one embodiment of present invention, when pressure on the number signal value is 8, namely when the precision of pressure on the number signal value is 8, following formula can be adopted to calculate: P=(AD_DEC/255+0.01429)/0.00229, wherein P is the force value in electric pressure cooking saucepan, AD_DEC is pressure on the number signal value, 0.01429 and 0.00229 is the constant value obtained according to the actual parameter of pressure transducer, and wherein 255 is the parameter value corresponding with the precision of pressure on the number signal value; And when pressure on the number signal value is 10, when namely the precision of pressure on the number signal value is 10, following formula can be adopted to calculate:
P=(AD_DEC/1023+0.01429)/0.00229, wherein 1023 is the parameter value corresponding with the precision of pressure on the number signal value.
Fig. 3 shows the schematic block diagram of electric pressure cooking saucepan according to an embodiment of the invention.
As shown in Figure 3, electric pressure cooking saucepan 300 according to an embodiment of the invention, comprising: the pressure-detecting device 200 for electric pressure cooking saucepan shown in Fig. 2.
As one embodiment of the present of invention, above-mentioned electric pressure cooking saucepan 300 also comprises: control module 302, for the force value in the described electric pressure cooking saucepan that calculates according to described processing unit 206, the heating arrangement controlled in described electric pressure cooking saucepan carries out heating or stop heating, to be maintained in preset range by the pressure in described electric pressure cooking saucepan.
More than be described with reference to the accompanying drawings technical scheme of the present invention, consider in correlation technique the vapor (steam) temperature normally adopted in temperature sensor detection electric pressure cooking saucepan, with the pressure in indirect detection electric pressure cooking saucepan, but, because vapor (steam) temperature is easily subject to the impact of cold air in pot, the vapor (steam) temperature that detects can be caused inaccurate, cause according to the force value in vapor (steam) temperature estimation electric pressure cooking saucepan inaccurate, the speed of simultaneous temperature sensor detected temperatures is slow, therefore the force value adopting the pressure in temperature sensor indirect detection electric pressure cooking saucepan can cause measuring and actual value deviation larger, measurement result is not accurate.Therefore, the present invention proposes a kind of new pressure detection scheme, the pressure in electric pressure cooking saucepan can be detected directly, quickly and accurately, so that the control device in electric pressure cooking saucepan controls the pressure in pot.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. for a pressure detection method for electric pressure cooking saucepan, it is characterized in that, comprising:
The pressure simulation signal value in described electric pressure cooking saucepan is detected by the pressure transducer be arranged in electric pressure cooking saucepan;
Described pressure simulation signal value is carried out analog to digital conversion, obtains pressure on the number signal value;
The force value in described electric pressure cooking saucepan is calculated according to described pressure on the number signal value and force value computing formula.
2. pressure detection method according to claim 1, is characterized in that, described force value computing formula is corresponding with the type of described pressure transducer.
3. pressure detection method according to claim 2, is characterized in that, before calculating the force value in described electric pressure cooking saucepan according to described pressure on the number signal value and the force value computing formula corresponding with the type of described pressure transducer, also comprises:
Store the type of multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer;
Type according to described pressure transducer obtains the force value computing formula corresponding with the type of described pressure transducer.
4. pressure detection method according to any one of claim 1 to 3, is characterized in that, also comprises:
Parameter value corresponding with described precision in described force value computing formula is regulated according to the precision of described pressure on the number signal value.
5. for a pressure-detecting device for electric pressure cooking saucepan, it is characterized in that, comprising:
Pressure transducer, is arranged on the inside of described electric pressure cooking saucepan, for detecting the pressure simulation signal value in described electric pressure cooking saucepan;
Analog to digital converter, is connected to described pressure transducer, is converted to pressure on the number signal value for the described pressure simulation signal value detected by described pressure transducer;
Processing unit, is connected to described analog to digital converter, for calculating the force value in described electric pressure cooking saucepan according to the described pressure on the number signal value after described analog to digital converter conversion and force value computing formula.
6. pressure-detecting device according to claim 5, is characterized in that, described force value computing formula is corresponding with the type of described pressure transducer.
7. pressure-detecting device according to claim 6, is characterized in that, also comprises:
Storage unit, for storing the type of multiple pressure transducer, and the force value computing formula corresponding with the type of often kind of pressure transducer;
Described processing unit also for, obtain the force value computing formula corresponding with the type of described pressure transducer according to the type of described pressure transducer.
8. the pressure-detecting device according to any one of claim 5 to 7, is characterized in that, described processing unit also for:
Precision according to the pressure on the number signal value after described analog to digital converter conversion regulates parameter value corresponding with described precision in described force value computing formula.
9. an electric pressure cooking saucepan, is characterized in that, comprising: the pressure-detecting device for electric pressure cooking saucepan according to any one of claim 5 to 8.
10. electric pressure cooking saucepan according to claim 9, is characterized in that, also comprises:
Control module, for the force value in the described electric pressure cooking saucepan that calculates according to described processing unit, the heating arrangement controlled in described electric pressure cooking saucepan carries out heating or stop heating, to be maintained in preset range by the pressure in described electric pressure cooking saucepan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410443207.6A CN105444946B (en) | 2014-09-02 | 2014-09-02 | Pressure detection method and pressure detection device for electric pressure cooker and electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410443207.6A CN105444946B (en) | 2014-09-02 | 2014-09-02 | Pressure detection method and pressure detection device for electric pressure cooker and electric pressure cooker |
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| CN105444946A true CN105444946A (en) | 2016-03-30 |
| CN105444946B CN105444946B (en) | 2020-06-19 |
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| CN1527061A (en) * | 2003-08-15 | 2004-09-08 | 张卫钢 | Intelligent frequency system with steel string sensor |
| JP2009000185A (en) * | 2007-06-20 | 2009-01-08 | Sanyo Electric Co Ltd | Rice cooker |
| CN101393061A (en) * | 2008-04-14 | 2009-03-25 | 浙江苏泊尔家电制造有限公司 | Pressure detection device for electric pressure cooker |
| CN101592541A (en) * | 2009-06-29 | 2009-12-02 | 杭州精久科技有限公司 | The pressure continuous detection apparatus of electric pressure cooking saucepan |
| CN203455128U (en) * | 2013-09-02 | 2014-02-26 | 美的集团股份有限公司 | Electric pressure cooker and pressure detection apparatus thereof |
| CN203447082U (en) * | 2013-09-02 | 2014-02-26 | 美的集团股份有限公司 | Electric pressure cooker and control device thereof |
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2014
- 2014-09-02 CN CN201410443207.6A patent/CN105444946B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527061A (en) * | 2003-08-15 | 2004-09-08 | 张卫钢 | Intelligent frequency system with steel string sensor |
| JP2009000185A (en) * | 2007-06-20 | 2009-01-08 | Sanyo Electric Co Ltd | Rice cooker |
| CN101393061A (en) * | 2008-04-14 | 2009-03-25 | 浙江苏泊尔家电制造有限公司 | Pressure detection device for electric pressure cooker |
| CN101592541A (en) * | 2009-06-29 | 2009-12-02 | 杭州精久科技有限公司 | The pressure continuous detection apparatus of electric pressure cooking saucepan |
| CN203455128U (en) * | 2013-09-02 | 2014-02-26 | 美的集团股份有限公司 | Electric pressure cooker and pressure detection apparatus thereof |
| CN203447082U (en) * | 2013-09-02 | 2014-02-26 | 美的集团股份有限公司 | Electric pressure cooker and control device thereof |
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