CN105444946B - Pressure detection method and pressure detection device for electric pressure cooker and electric pressure cooker - Google Patents
Pressure detection method and pressure detection device for electric pressure cooker and electric pressure cooker Download PDFInfo
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- CN105444946B CN105444946B CN201410443207.6A CN201410443207A CN105444946B CN 105444946 B CN105444946 B CN 105444946B CN 201410443207 A CN201410443207 A CN 201410443207A CN 105444946 B CN105444946 B CN 105444946B
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Abstract
The invention provides a pressure detection method for an electric pressure cooker, a pressure detection device for the electric pressure cooker and the electric pressure cooker, wherein the pressure detection method comprises the following steps: detecting a pressure analog signal value in the electric pressure cooker through a pressure sensor arranged in the electric pressure cooker; performing analog-to-digital conversion on the pressure analog signal value to obtain a pressure digital signal value; and calculating the pressure value in the electric pressure cooker according to the pressure digital signal value and a pressure value calculation formula. Through the technical scheme of the invention, the pressure in the electric pressure cooker can be directly, quickly and accurately detected, so that the control device in the electric pressure cooker can conveniently control the pressure in the electric pressure cooker.
Description
Technical Field
The invention relates to the technical field of pressure detection, in particular to a pressure detection method for an electric pressure cooker, a pressure detection device for the electric pressure cooker and the electric pressure cooker.
Background
In the related art, when detecting the pressure in the electric pressure cooker, a temperature sensor is usually used to detect the steam temperature in the electric pressure cooker, so as to determine the pressure in the electric pressure cooker according to the steam temperature.
Because the steam temperature is easily influenced by cold air in the electric pressure cooker, the detected steam temperature is inaccurate, the pressure value in the electric pressure cooker is estimated according to the steam temperature, and meanwhile, the temperature sensor detects the temperature at a low speed, so that the pressure in the electric pressure cooker indirectly detected by the temperature sensor has large deviation from the actual value, and the measurement result is inaccurate.
Therefore, how to accurately detect the pressure in the electric pressure cooker becomes a technical problem to be solved urgently.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, an object of the present invention is to provide a pressure detecting method capable of directly, rapidly and accurately detecting the pressure inside the electric pressure cooker.
Another object of the present invention is to provide a pressure detecting device for an electric pressure cooker.
Another object of the present invention is to provide an electric pressure cooker.
In order to achieve the above object, according to an embodiment of a first aspect of the present invention, a pressure detection method for an electric pressure cooker is provided, including: detecting a pressure analog signal value in the electric pressure cooker through a pressure sensor arranged in the electric pressure cooker; performing analog-to-digital conversion on the pressure analog signal value to obtain a pressure digital signal value; and calculating the pressure value in the electric pressure cooker according to the pressure digital signal value and a pressure value calculation formula.
According to the pressure detection method provided by the embodiment of the invention, the pressure sensor is used for directly detecting the pressure analog signal value in the electric pressure cooker, so that the pressure in the electric pressure cooker can be directly and quickly detected, a control device in the electric pressure cooker can conveniently control the pressure in the electric pressure cooker, and the problem that the pressure in the electric pressure cooker is not accurately measured due to the fact that the steam temperature is influenced by cold air in the electric pressure cooker when the temperature sensor is used for detecting the steam temperature in the electric pressure cooker and the pressure in the related art is calculated according to the corresponding relation between the steam temperature and the pressure is solved. And the pressure value in the electric pressure cooker is calculated according to the pressure digital signal value and the pressure value calculation formula, so that the pressure value with higher precision can be obtained. Wherein, the pressure sensor can be arranged on the cooker cover of the electric pressure cooker.
In addition, the pressure detection method according to the above embodiment of the present invention may further have the following additional technical features:
according to an embodiment of the present invention, the pressure value calculation formula corresponds to a type of the pressure sensor.
According to the pressure detection method provided by the embodiment of the invention, because the parameters of different pressure sensors are different, corresponding pressure value calculation formulas can be set for different pressure sensors. Specifically, according to the pressure sensor in one embodiment of the present invention, when the pressure digital signal value is 8 bits, the following formula may be adopted for calculation:
p ═ P (AD _ DEC/255+0.01429)/0.00229, where P is the pressure value within the electric pressure cooker, AD _ DEC is the pressure digital signal value, 255 is the parameter value corresponding to the accuracy of the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from the actual parameters of the pressure sensor.
According to an embodiment of the present invention, before calculating the pressure value in the electric pressure cooker according to the pressure digital signal value and the pressure value calculation formula corresponding to the type of the pressure sensor, the method further comprises: storing a plurality of types of pressure sensors and a pressure value calculation formula corresponding to each type of pressure sensor; and acquiring a pressure value calculation formula corresponding to the type of the pressure sensor according to the type of the pressure sensor.
According to the pressure detection method provided by the embodiment of the invention, the types of the pressure sensors and the pressure value calculation formulas corresponding to the types of the pressure sensors are stored, so that when the pressure value in the electric pressure cooker needs to be calculated, the corresponding pressure value calculation formulas can be conveniently obtained according to the types of the pressure sensors, and the pressure value in the electric pressure cooker is further calculated.
According to an embodiment of the present invention, further comprising: and adjusting the parameter value corresponding to the precision in the pressure value calculation formula according to the precision of the pressure digital signal value.
Specifically, according to the pressure sensor in one embodiment of the present invention, when the pressure digital signal value is 8 bits, that is, when the accuracy of the pressure digital signal value is 8 bits, the following formula can be used for calculation: p ═ P (AD _ DEC/255+0.01429)/0.00229, where P is the pressure value inside the electric pressure cooker, AD _ DEC is the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from the actual parameters of the pressure sensor, where 255 is the parameter value corresponding to the accuracy of the pressure digital signal value; when the pressure digital signal value is 10 bits, that is, when the accuracy of the pressure digital signal value is 10 bits, the following formula can be used for calculation:
p ═ AD _ DEC/1023+0.01429)/0.00229, where 1023 is the parameter value corresponding to the accuracy of the pressure digital signal value.
According to an embodiment of the second aspect of the present invention, there is also provided a pressure detecting device for an electric pressure cooker, including: the pressure sensor is arranged in the electric pressure cooker and used for detecting a pressure analog signal value in the electric pressure cooker; the analog-to-digital converter is connected to the pressure sensor and is used for converting the pressure analog signal value detected by the pressure sensor into a pressure digital signal value; and the processing unit is connected to the analog-to-digital converter and used for calculating the pressure value in the electric pressure cooker according to the pressure digital signal value and the pressure value calculation formula converted by the analog-to-digital converter.
According to the pressure detection device provided by the embodiment of the invention, the pressure sensor is used for directly detecting the pressure analog signal value in the electric pressure cooker, so that the pressure in the electric pressure cooker can be directly and quickly detected, the control device in the electric pressure cooker can conveniently control the pressure in the electric pressure cooker, and the problem that the pressure in the electric pressure cooker is not accurately measured due to the fact that the steam temperature is influenced by cold air in the electric pressure cooker when the temperature sensor is used for detecting the steam temperature in the electric pressure cooker and the pressure in the related art is calculated according to the corresponding relation between the steam temperature and the pressure is solved. And the pressure value in the electric pressure cooker is calculated according to the pressure digital signal value and the pressure value calculation formula, so that the pressure value with higher precision can be obtained. Wherein, the pressure sensor can be arranged on the cooker cover of the electric pressure cooker.
According to an embodiment of the present invention, the pressure value calculation formula corresponds to a type of the pressure sensor.
According to the pressure detection device provided by the embodiment of the invention, because the parameters of different pressure sensors are different, corresponding pressure value calculation formulas can be set for different pressure sensors. Specifically, according to the pressure sensor in one embodiment of the present invention, when the pressure digital signal value is 8 bits, the following formula may be adopted for calculation:
p ═ P (AD _ DEC/255+0.01429)/0.00229, where P is the pressure value within the electric pressure cooker, AD _ DEC is the pressure digital signal value, 255 is the parameter value corresponding to the accuracy of the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from the actual parameters of the pressure sensor.
According to an embodiment of the present invention, further comprising: a storage unit for storing a plurality of types of pressure sensors and a pressure value calculation formula corresponding to each type of pressure sensor; the processing unit is further used for acquiring a pressure value calculation formula corresponding to the type of the pressure sensor according to the type of the pressure sensor.
According to the pressure detection device provided by the embodiment of the invention, the types of the pressure sensors and the pressure value calculation formulas corresponding to the types of the pressure sensors are stored, so that when the pressure value in the electric pressure cooker needs to be calculated, the corresponding pressure value calculation formulas can be conveniently obtained according to the types of the pressure sensors, and the pressure value in the electric pressure cooker can be further calculated.
According to an embodiment of the invention, the processing unit is further configured to: and adjusting the parameter value corresponding to the precision in the pressure value calculation formula according to the precision of the pressure digital signal value converted by the analog-to-digital converter.
Specifically, according to the pressure sensor in one embodiment of the present invention, when the pressure digital signal value is 8 bits, that is, when the accuracy of the pressure digital signal value is 8 bits, the following formula can be used for calculation: p ═ P (AD _ DEC/255+0.01429)/0.00229, where P is the pressure value inside the electric pressure cooker, AD _ DEC is the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from the actual parameters of the pressure sensor, where 255 is the parameter value corresponding to the accuracy of the pressure digital signal value; when the pressure digital signal value is 10 bits, that is, when the accuracy of the pressure digital signal value is 10 bits, the following formula can be used for calculation:
p ═ AD _ DEC/1023+0.01429)/0.00229, where 1023 is the parameter value corresponding to the accuracy of the pressure digital signal value.
According to an embodiment of the third aspect of the present invention, there is also provided an electric pressure cooker, comprising: the pressure detection device for the electric pressure cooker in any one of the above embodiments.
As an embodiment of the present invention, the electric pressure cooker further includes: and the control unit is used for controlling a heating device in the electric pressure cooker to heat or stop heating according to the pressure value in the electric pressure cooker calculated by the processing unit so as to maintain the pressure in the electric pressure cooker within a preset range.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic flow diagram of a pressure detection method for an electric pressure cooker according to an embodiment of the present invention;
FIG. 2 shows a schematic block diagram of a pressure detection device for an electric pressure cooker according to an embodiment of the present invention;
fig. 3 shows a schematic block diagram of an electric pressure cooker according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a schematic flow chart of a pressure detection method for an electric pressure cooker according to an embodiment of the present invention.
As shown in fig. 1, the pressure detection method for an electric pressure cooker according to an embodiment of the present invention includes: step 102, detecting a pressure analog signal value in the electric pressure cooker through a pressure sensor arranged in the electric pressure cooker; 104, performing analog-to-digital conversion on the pressure analog signal value to obtain a pressure digital signal value; and 106, calculating the pressure value in the electric pressure cooker according to the pressure digital signal value and a pressure value calculation formula.
The pressure analog signal value in the electric pressure cooker is directly detected through the pressure sensor, the pressure in the electric pressure cooker can be directly and quickly detected, so that a control device in the electric pressure cooker can control the pressure in the electric pressure cooker, and the problem that the pressure in the electric pressure cooker is not accurately measured due to the fact that the steam temperature is influenced by cold air in the electric pressure cooker when the steam temperature in the electric pressure cooker is detected through the temperature sensor in the related technology and the pressure in the electric pressure cooker is calculated according to the corresponding relation of the steam temperature and the pressure is solved. And the pressure value in the electric pressure cooker is calculated according to the pressure digital signal value and the pressure value calculation formula, so that the pressure value with higher precision can be obtained. Wherein, the pressure sensor can be arranged on the cooker cover of the electric pressure cooker.
In addition, the pressure detection method according to the above embodiment of the present invention may further have the following additional technical features:
according to an embodiment of the present invention, the pressure value calculation formula corresponds to a type of the pressure sensor.
Because the parameters of different pressure sensors are different, corresponding pressure value calculation formulas can be set for different pressure sensors. Specifically, according to the pressure sensor in one embodiment of the present invention, when the pressure digital signal value is 8 bits, the following formula may be adopted for calculation:
p ═ P (AD _ DEC/255+0.01429)/0.00229, where P is the pressure value within the electric pressure cooker, AD _ DEC is the pressure digital signal value, 255 is the parameter value corresponding to the accuracy of the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from the actual parameters of the pressure sensor.
According to an embodiment of the present invention, before calculating the pressure value in the electric pressure cooker according to the pressure digital signal value and the pressure value calculation formula corresponding to the type of the pressure sensor, the method further comprises: storing a plurality of types of pressure sensors and a pressure value calculation formula corresponding to each type of pressure sensor; and acquiring a pressure value calculation formula corresponding to the type of the pressure sensor according to the type of the pressure sensor.
By storing the types of the pressure sensors and the pressure value calculation formulas corresponding to the types of the pressure sensors, when the pressure value in the electric pressure cooker needs to be calculated, the corresponding pressure value calculation formulas can be conveniently acquired according to the types of the pressure sensors, and then the pressure value in the electric pressure cooker is calculated.
According to an embodiment of the present invention, further comprising: and adjusting the parameter value corresponding to the precision in the pressure value calculation formula according to the precision of the pressure digital signal value.
Specifically, according to the pressure sensor in one embodiment of the present invention, when the pressure digital signal value is 8 bits, that is, when the accuracy of the pressure digital signal value is 8 bits, the following formula can be used for calculation: p ═ P (AD _ DEC/255+0.01429)/0.00229, where P is the pressure value inside the electric pressure cooker, AD _ DEC is the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from the actual parameters of the pressure sensor, where 255 is the parameter value corresponding to the accuracy of the pressure digital signal value; when the pressure digital signal value is 10 bits, that is, when the accuracy of the pressure digital signal value is 10 bits, the following formula can be used for calculation:
p ═ AD _ DEC/1023+0.01429)/0.00229, where 1023 is the parameter value corresponding to the accuracy of the pressure digital signal value.
Fig. 2 shows a schematic block diagram of a pressure detection apparatus for an electric pressure cooker according to an embodiment of the present invention.
As shown in fig. 2, the pressure detecting apparatus 200 for an electric pressure cooker according to an embodiment of the present invention includes: the pressure sensor 202 is arranged inside the electric pressure cooker and used for detecting a pressure analog signal value in the electric pressure cooker; an analog-to-digital converter 204 connected to the pressure sensor 202 for converting the pressure analog signal value detected by the pressure sensor 202 into a pressure digital signal value; and the processing unit 206 is connected to the analog-to-digital converter 204 and is configured to calculate a pressure value in the electric pressure cooker according to the pressure digital signal value and a pressure value calculation formula converted by the analog-to-digital converter 204.
The pressure sensor 202 is used for directly detecting the pressure analog signal value in the electric pressure cooker, so that the pressure in the electric pressure cooker can be directly and quickly detected, the control device in the electric pressure cooker can conveniently control the pressure in the electric pressure cooker, and the problem that the pressure in the electric pressure cooker is not accurately measured due to the fact that the steam temperature is influenced by cold air in the electric pressure cooker when the steam temperature in the electric pressure cooker is detected by the temperature sensor in the related technology and the pressure in the electric pressure cooker is calculated according to the corresponding relation of the steam temperature and the pressure is solved. And the pressure value in the electric pressure cooker is calculated according to the pressure digital signal value and the pressure value calculation formula, so that the pressure value with higher precision can be obtained. Wherein, the pressure sensor 202 can be arranged on the cover of the electric pressure cooker.
According to an embodiment of the present invention, the pressure value calculation formula corresponds to the type of the pressure sensor 202.
Because the parameters of different pressure sensors are different, corresponding pressure value calculation formulas can be set for different pressure sensors. Specifically, according to the pressure sensor in one embodiment of the present invention, when the pressure digital signal value is 8 bits, the following formula may be adopted for calculation:
p ═ P (AD _ DEC/255+0.01429)/0.00229, where P is the pressure value within the electric pressure cooker, AD _ DEC is the pressure digital signal value, 255 is the parameter value corresponding to the accuracy of the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from the actual parameters of the pressure sensor.
According to an embodiment of the present invention, further comprising: a storage unit 208 for storing a plurality of types of pressure sensors, and a pressure value calculation formula corresponding to each type of pressure sensor; the processing unit 206 is further configured to obtain a pressure value calculation formula corresponding to the type of the pressure sensor 202 according to the type of the pressure sensor 202.
By storing the types of the pressure sensors and the pressure value calculation formulas corresponding to the types of the pressure sensors, when the pressure value in the electric pressure cooker needs to be calculated, the corresponding pressure value calculation formulas can be conveniently acquired according to the types of the pressure sensors, and then the pressure value in the electric pressure cooker is calculated.
According to an embodiment of the invention, the processing unit 206 is further configured to: and adjusting the parameter value corresponding to the precision in the pressure value calculation formula according to the precision of the pressure digital signal value converted by the analog-to-digital converter 204.
Specifically, according to the pressure sensor in one embodiment of the present invention, when the pressure digital signal value is 8 bits, that is, when the accuracy of the pressure digital signal value is 8 bits, the following formula can be used for calculation: p ═ P (AD _ DEC/255+0.01429)/0.00229, where P is the pressure value inside the electric pressure cooker, AD _ DEC is the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from the actual parameters of the pressure sensor, where 255 is the parameter value corresponding to the accuracy of the pressure digital signal value; when the pressure digital signal value is 10 bits, that is, when the accuracy of the pressure digital signal value is 10 bits, the following formula can be used for calculation:
p ═ AD _ DEC/1023+0.01429)/0.00229, where 1023 is the parameter value corresponding to the accuracy of the pressure digital signal value.
Fig. 3 shows a schematic block diagram of an electric pressure cooker according to an embodiment of the present invention.
As shown in fig. 3, the electric pressure cooker 300 according to the embodiment of the present invention includes: a pressure detecting device 200 for an electric pressure cooker is shown in fig. 2.
As an embodiment of the present invention, the electric pressure cooker 300 further includes: a control unit 302, configured to control a heating device in the electric pressure cooker to heat or stop heating according to the pressure value in the electric pressure cooker calculated by the processing unit 206, so as to maintain the pressure in the electric pressure cooker within a predetermined range.
The technical scheme of the invention is explained in detail above with reference to the accompanying drawings, and it is considered that in the related art, a temperature sensor is usually adopted to detect the steam temperature in the electric pressure cooker so as to indirectly detect the pressure in the electric pressure cooker, however, the steam temperature is easily affected by the cold air in the cooker, so that the detected steam temperature is inaccurate, the pressure value in the electric pressure cooker is estimated according to the steam temperature, and meanwhile, the speed of the temperature sensor for detecting the temperature is slow, so that the pressure in the electric pressure cooker indirectly detected by adopting the temperature sensor causes the deviation between the measured pressure value and the actual value to be large, and the measurement result is inaccurate. Therefore, the invention provides a new pressure detection scheme, which can directly, quickly and accurately detect the pressure in the electric pressure cooker so as to facilitate the control device in the electric pressure cooker to control the pressure in the electric pressure cooker.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A pressure detection method for an electric pressure cooker is characterized by comprising the following steps:
detecting a pressure analog signal value in the electric pressure cooker through a pressure sensor arranged in the electric pressure cooker;
performing analog-to-digital conversion on the pressure analog signal value to obtain a pressure digital signal value;
calculating the pressure value in the electric pressure cooker according to the pressure digital signal value and a pressure value calculation formula;
adjusting the parameter value corresponding to the precision in the pressure value calculation formula according to the precision of the pressure digital signal value;
before calculating the pressure value in the electric pressure cooker according to the pressure digital signal value and a pressure value calculation formula corresponding to the type of the pressure sensor, the method further comprises the following steps:
storing a plurality of types of pressure sensors and a pressure value calculation formula corresponding to each type of pressure sensor;
acquiring a pressure value calculation formula corresponding to the type of the pressure sensor according to the type of the pressure sensor;
the pressure value calculation formula corresponds to the type of the pressure sensor;
when the pressure digital signal value is 8 bits, the pressure value calculation formula is (AD _ DEC/255+0.01429)/0.00229, where P is a pressure value in the electric pressure cooker, AD _ DEC is the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from actual parameters of the pressure sensor, and 255 is a parameter value corresponding to the accuracy of the pressure digital signal value; when the pressure digital signal value is 10 bits, the pressure value calculation formula is (AD _ DEC/1023+0.01429)/0.00229, and 1023 is a parameter value corresponding to the accuracy of the pressure digital signal value.
2. A pressure detection device for an electric pressure cooker, comprising:
the pressure sensor is arranged in the electric pressure cooker and used for detecting a pressure analog signal value in the electric pressure cooker;
the analog-to-digital converter is connected to the pressure sensor and is used for converting the pressure analog signal value detected by the pressure sensor into a pressure digital signal value;
the processing unit is connected to the analog-to-digital converter and used for calculating a pressure value in the electric pressure cooker according to the pressure digital signal value and a pressure value calculation formula converted by the analog-to-digital converter;
the processing unit is further to:
adjusting a parameter value corresponding to the precision in the pressure value calculation formula according to the precision of the pressure digital signal value converted by the analog-to-digital converter;
a storage unit for storing a plurality of types of pressure sensors and a pressure value calculation formula corresponding to each type of pressure sensor;
the processing unit is further used for acquiring a pressure value calculation formula corresponding to the type of the pressure sensor according to the type of the pressure sensor;
the pressure value calculation formula corresponds to the type of the pressure sensor;
when the pressure digital signal value is 8 bits, the pressure value calculation formula is (AD _ DEC/255+0.01429)/0.00229, where P is a pressure value in the electric pressure cooker, AD _ DEC is the pressure digital signal value, 0.01429 and 0.00229 are constant values obtained from actual parameters of the pressure sensor, and 255 is a parameter value corresponding to the accuracy of the pressure digital signal value; when the pressure digital signal value is 10 bits, the pressure value calculation formula is (AD _ DEC/1023+0.01429)/0.00229, and 1023 is a parameter value corresponding to the accuracy of the pressure digital signal value.
3. An electric pressure cooker, characterized in that, includes: the pressure detecting device for an electric pressure cooker as claimed in claim 2.
4. The electric pressure cooker of claim 3, further comprising:
and the control unit is used for controlling a heating device in the electric pressure cooker to heat or stop heating according to the pressure value in the electric pressure cooker calculated by the processing unit so as to maintain the pressure in the electric pressure cooker within a preset range.
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| 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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| CN1527061A (en) * | 2003-08-15 | 2004-09-08 | 张卫钢 | Intelligent frequency measuring system of steel string type sensor |
| 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 |
| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009000185A (en) * | 2007-06-20 | 2009-01-08 | Sanyo Electric Co Ltd | Rice cooker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527061A (en) * | 2003-08-15 | 2004-09-08 | 张卫钢 | Intelligent frequency measuring system of steel string type sensor |
| 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 |
| 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 |
| 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 |
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