CN108013740B - Pressure heating control method and pressure heating equipment - Google Patents
Pressure heating control method and pressure heating equipment Download PDFInfo
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- CN108013740B CN108013740B CN201610949147.4A CN201610949147A CN108013740B CN 108013740 B CN108013740 B CN 108013740B CN 201610949147 A CN201610949147 A CN 201610949147A CN 108013740 B CN108013740 B CN 108013740B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
Abstract
The embodiment of the invention discloses a pressure heating control method and pressure heating equipment. The method comprises the following steps: acquiring an altitude parameter of the pressure heating equipment, and detecting the capacity grade of a content in the pressure heating equipment; determining a dwell time based on the altitude parameter and the capacity rating; and when the pressure heating equipment is detected to be switched to the pressure maintaining state, controlling the duration of the pressure maintaining state according to the pressure maintaining time.
Description
Technical Field
The invention relates to a pressure heating technology, in particular to a pressure heating control method and pressure heating equipment.
Background
In the high-altitude area, because atmospheric pressure is lower, under the certain circumstances of pressure in pressure heating equipment (for example pressure cooker), actual cooking pressure can be less than at the cooking pressure in low-altitude area, the boiling point of water also can reduce (for example in the 1500 meters of height above sea level, the boiling of the water of heating reaches 95 ℃ boiling), then the actual cooking temperature of food reduces, and the culinary art time also shortens relatively simultaneously, leads to the same product to use on different height above sea level areas, and obvious difference appears in the culinary art effect, brings unfavorable experience for the user.
Disclosure of Invention
In order to solve the existing technical problems, embodiments of the present invention provide a pressure heating control method and a pressure heating apparatus.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a pressure heating control method, which is applied to pressure heating equipment; the method comprises the following steps:
acquiring an altitude parameter of the pressure heating equipment, and detecting the capacity grade of a content in the pressure heating equipment;
determining a dwell time based on the altitude parameter and the capacity rating;
and when the pressure heating equipment is detected to be switched to the pressure maintaining state, controlling the duration of the pressure maintaining state according to the pressure maintaining time.
In the above scheme, the obtaining an altitude parameter at which the pressure heating apparatus is located and detecting a capacity level of a content in the pressure heating apparatus include:
detecting an altitude parameter by an altitude detection device, or obtaining the altitude parameter by an input operation of a user;
and when the heating function of the pressure heating equipment is detected to be started so as to be switched to a heating state, detecting the capacity grade of the content in the pressure heating equipment.
In the above scheme, the obtaining an altitude parameter at which the pressure heating apparatus is located and detecting a capacity level of a content in the pressure heating apparatus include:
detecting the capacity grade of a containing object in the pressure heating equipment when detecting that the pressure heating equipment starts a heating function to be switched to a heating state;
detecting a pressure parameter or a temperature parameter in the pressure heating equipment during the heating state of the pressure heating equipment, and determining an altitude parameter of the pressure heating equipment based on the pressure parameter or the temperature parameter; alternatively, the altitude parameter is detected by the altitude detection means.
In the above solution, the determining the dwell time based on the altitude parameter and the capacity class includes:
determining a preset first pressure-holding time satisfying the capacity grade when an altitude parameter is zero based on the capacity grade;
determining a first compensated dwell time based on the altitude parameter;
determining the dwell time based on the preset first dwell time and the first compensated dwell time.
In the above scheme, the dwell time T satisfies:
T=T0+△Th；
wherein, T0Presetting a first pressure holding time; delta ThFor a first compensated dwell time;
the first compensated dwell time Δ ThSatisfies the following conditions:
△Th=H/1000+T0×2%×（H/1000）；
wherein H is an altitude parameter.
An embodiment of the present invention further provides a pressure heating apparatus, where the pressure heating apparatus includes: the device comprises a parameter acquisition unit, a capacity detection unit, a data processing unit and a control unit; wherein the content of the first and second substances,
the parameter acquisition unit is used for acquiring an altitude parameter of the pressure heating equipment;
the capacity detection unit is used for detecting the capacity grade of the content in the pressure heating equipment;
the data processing unit is used for determining the pressure maintaining time based on the altitude parameter obtained by the parameter obtaining unit and the capacity grade detected by the capacity detection unit;
and the control unit is used for controlling the duration time of the pressure maintaining state according to the pressure maintaining time determined by the data processing unit when the pressure heating equipment is detected to be switched to the pressure maintaining state.
In the above solution, the parameter obtaining unit is configured to detect an altitude parameter through an altitude detection device, or obtain the altitude parameter through an input operation of a user;
the volume detection unit is used for detecting the volume grade of the object contained in the pressure heating equipment when the pressure heating equipment starts the heating function to be switched to the heating state.
In the above scheme, the volume detection unit is configured to detect a volume level of a content in the pressure heating apparatus when detecting that the pressure heating apparatus starts a heating function to switch to a heating state;
the parameter acquisition unit is used for detecting a pressure parameter or a temperature parameter in the pressure heating equipment in the process that the pressure heating equipment is in a heating state, and determining an altitude parameter of the pressure heating equipment based on the pressure parameter or the temperature parameter; alternatively, the altitude parameter is detected by the altitude detection means.
In the above solution, the data processing unit is configured to determine, based on the capacity class, a preset first pressure-holding time that satisfies the capacity class when an altitude parameter is zero; determining a first compensated dwell time based on the altitude parameter; determining the dwell time based on the preset first dwell time and the first compensated dwell time.
In the above scheme, the dwell time T satisfies:
T=T0+△Th；
wherein, T0Presetting a first pressure holding time; delta ThFor a first compensated dwell time;
the first compensated dwell time Δ ThSatisfies the following conditions:
△Th=H/1000+T0×2%×（H/1000）；
wherein H is an altitude parameter.
The embodiment of the invention provides a pressure heating control method and pressure heating equipment, wherein the method comprises the following steps: acquiring an altitude parameter of the pressure heating equipment, and detecting the capacity grade of a content in the pressure heating equipment; determining a dwell time based on the altitude parameter and the capacity rating; and when the pressure heating equipment is detected to be switched to the pressure maintaining state, controlling the duration of the pressure maintaining state according to the pressure maintaining time. Therefore, by adopting the technical scheme of the embodiment of the invention, the pressure maintaining time is determined again through the obtained altitude parameter of the pressure heating equipment, so that the duration time of the pressure maintaining state is controlled to meet the determined pressure maintaining time, the situations of insufficient heating time and uncooked food caused by the altitude difference are avoided, and the user experience is greatly improved.
Drawings
FIG. 1 is a graph illustrating a saturated vapor pressure versus temperature curve in the prior art;
FIG. 2 is a schematic diagram illustrating a comparison of heating curves at different altitudes in the prior art;
FIG. 3 is a schematic flow chart of a pressure heating control method according to a first embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a pressure heating control method according to a second embodiment of the present invention;
FIG. 5 is a schematic flow chart illustrating a pressure heating control method according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a pressure heating apparatus according to an embodiment of the present invention.
Detailed Description
The inventor finds that in a high-altitude area, due to the low atmospheric pressure, the boiling point of water is reduced, and the temperature in a pressure heating device (such as a pressure cooker) is also reduced under the set working pressure; also, due to the low boiling point of water, the product is pressurized in advance, resulting in a reduction in overall cooking time. Under the influence of two factors of temperature reduction in the pot and shortening of cooking time, the cooking effect is not ideal, and even the food is not completely cooked or cooked. FIG. 1 is a graph illustrating a saturated vapor pressure versus temperature curve in the prior art; as shown in fig. 1, the temperature value increases as the relative pressure of the saturated steam increases. Supposing that in the area with zero altitude, the cooking temperature of the pressure heating device is T1, and the pressure maintaining time is T1, the effect of high-pressure high-temperature cooking of food can be realized. If the actual cooking temperature is T2 due to low cooking pressure in the high altitude area and the same pressure maintaining time is T1- (T1-T2 '), not only the cooking temperature is low (T1-T2), but also the cooking time is short (T1 ' -T2 '), which causes the difference of food cooking effect, as shown in fig. 2.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
The embodiment of the invention provides a pressure heating control method which is applied to pressure heating equipment. FIG. 3 is a schematic flow chart of a pressure heating control method according to a first embodiment of the present invention; as shown in figure 3 of the drawings,
step 101: the method comprises the steps of obtaining an altitude parameter of the pressure heating equipment, and detecting the capacity grade of the content in the pressure heating equipment.
Step 102: determining a dwell time based on the altitude parameter and the capacity rating.
Step 103: and when the pressure heating equipment is detected to be switched to the pressure maintaining state, controlling the duration of the pressure maintaining state according to the pressure maintaining time.
In this embodiment, the obtaining of the altitude parameter by the pressure heating device may specifically include: the altitude parameter of the pressure heating equipment is detected through an altitude detection device arranged on the pressure heating equipment, or the altitude parameter of the pressure heating equipment is input through the input operation of a user through a human-computer interaction device on the pressure heating equipment. Of course, the present embodiment is not limited to the above-described manner of acquiring the altitude parameter.
In this embodiment, the accommodating objects are foods heated by the pressure heating device, and the volume grades of the accommodating objects specifically represent the number of the accommodating objects, and can be determined by the proportional relationship between the accommodating space of the pressure heating device occupied by the accommodating objects and the accommodating space of the pressure heating device; namely, the space occupied by the food in the pressure cooker is determined according to the size proportion. Then, the detecting the capacity level of the content in the pressure heating apparatus may specifically include: the height of the containing object is detected through a detection device in the pressure heating equipment, and the capacity grade of the containing object can be determined based on the detected height of the containing object and the height of the pot in the pressure heating equipment. Of course, the manner of determining the capacity level of the storage object is not limited to that described in the embodiment of the present invention.
In this embodiment, the determining the dwell time based on the altitude parameter and the capacity level includes: determining a preset first pressure-holding time satisfying the capacity grade when an altitude parameter is zero based on the capacity grade; determining a first compensated dwell time based on the altitude parameter; determining the dwell time based on the preset first dwell time and the first compensated dwell time.
Specifically, the dwell time T satisfies the following formula (1):
T=T0+△Th （1）
wherein, T0Presetting a first pressure holding time; delta ThFor a first compensated dwell time;
the first compensated dwell time Δ ThSatisfies the following formula (2):
△Th=H/1000+T0×2%×（H/1000） （2）
wherein H is an altitude parameter.
As another embodiment, the first compensated dwell time Δ T is calculated in a simplified mannerhThe following formula (3) may also be satisfied:
△Th=H/1000 （3）
in this embodiment, the formula (2) or the formula (3) satisfied by the first compensation pressure holding time is obtained by detecting data through multiple experiments. The experimental detection data may be specifically shown in table 1 below, and the formula (2) or the formula (3) that the first compensation pressure holding time satisfies is obtained from the experimental data shown in table 1.
TABLE 1
In this embodiment, after the pressure holding time is determined again by using the formula (1), when the pressure heating device detects that the pressure holding state is switched to, pressure holding timing is started, and the duration of the pressure holding timing is controlled to meet the pressure holding time, so as to reach sufficient heating time.
By adopting the technical scheme of the embodiment of the invention, the pressure maintaining time is determined again through the obtained altitude parameter of the pressure heating equipment, so that the duration time of the pressure maintaining state is controlled to meet the newly determined pressure maintaining time, the situations of insufficient heating time and uncooked food caused by the altitude difference are avoided, and the user experience is greatly improved.
Example two
The embodiment of the invention also provides a pressure heating control method which is applied to the pressure heating equipment. FIG. 4 is a schematic flow chart illustrating a pressure heating control method according to a second embodiment of the present invention; as shown in fig. 4, the method includes:
step 201: judging whether an altitude parameter is set; when the judgment result is negative, executing step 202; when the result of the judgment is yes, step 203 is executed.
Step 202: and starting elevation parameter setting, finishing the setting of the elevation parameter, and re-executing the judgment of the step 201.
Step 203: and when the heating function of the pressure heating equipment is detected to be started so as to be switched to a heating state, detecting the capacity grade of the content in the pressure heating equipment.
Step 204: determining a dwell time based on the altitude parameter and the capacity rating.
Step 205: detecting a pressure parameter or a temperature parameter within the pressure heating apparatus; judging whether the pressure parameter or the temperature parameter reaches a first threshold value; when the judgment result is yes, step 206 is executed; when the result of the determination is negative, the heating process is continued, and the determination of step 205 is re-performed.
Step 206: and controlling the pressure heating equipment to switch to a pressure maintaining state, and starting timing of the pressure maintaining state.
Step 207: judging whether the timing time of the pressure maintaining state reaches the pressure maintaining time or not, and ending the operation flow when the judgment result is yes; if the result of the determination is negative, the pressure maintaining state is continued, and the determination of step 207 is executed again.
In this embodiment, the pressure heating apparatus first determines whether an altitude parameter has been set before the heating function is activated, wherein the determination of whether the altitude parameter has been set may be determined by whether an altitude parameter is detected by an altitude detection device or whether an altitude parameter determination is obtained by an input operation of a user. As the first embodiment described above, the pressure heating apparatus is provided with the altitude detection means, and the altitude parameter can be obtained by the altitude detection means, thereby determining whether the altitude parameter has been set. As the second embodiment, the pressure heating apparatus is provided with a human-computer interaction function, such as a human-computer interaction trigger panel, through which a user can input the altitude parameter by himself, and the pressure heating apparatus can determine whether the altitude parameter has been set through the obtained altitude parameter input by the user.
In this embodiment, after the pressure heating device determines that the altitude parameter has been set, a heating function is started to switch the pressure heating device to a heating state, and a heating device in the pressure heating device heats the pressure heating device. During the process that the pressure heating equipment is in the heating state, on one hand, the pressure heating equipment detects the pressure parameter or the temperature parameter inside, so that the heating state is switched to the pressure maintaining state based on the detected pressure parameter or temperature parameter; on the other hand, the pressure heating apparatus detects a volume level of the contents, and re-determines the dwell time based on the altitude parameter and the volume level. The accommodating objects are foods heated by the pressure heating equipment, the capacity grades of the accommodating objects specifically represent the number of the accommodating objects, and the quantity of the accommodating objects can be determined by the proportional relation between the accommodating space of the pressure heating equipment occupied by the accommodating objects and the accommodating space of the pressure heating equipment; namely, the space occupied by the food in the pressure cooker is determined according to the size proportion. Then, the detecting the capacity level of the content in the pressure heating apparatus may specifically include: the height of the containing object is detected through a detection device in the pressure heating equipment, and the capacity grade of the containing object can be determined based on the detected height of the containing object and the height of the pot in the pressure heating equipment. Of course, the manner of determining the capacity level of the storage object is not limited to that described in the embodiment of the present invention.
In this embodiment, the pressure heating apparatus determines, based on the detected pressure parameter or temperature parameter, that the pressure parameter or temperature parameter reaches the first threshold, and controls to switch to the pressure maintaining state, and starts to perform pressure maintaining timing when the pressure parameter or temperature parameter is switched to the pressure maintaining state, and controls the time of the pressure maintaining timing to reach the newly determined pressure maintaining time.
Specifically, the determining the dwell time based on the altitude parameter and the capacity class includes: determining a preset first pressure-holding time satisfying the capacity grade when an altitude parameter is zero based on the capacity grade; determining a first compensated dwell time based on the altitude parameter; determining the dwell time based on the preset first dwell time and the first compensated dwell time.
Specifically, the dwell time T satisfies the following formula (1):
T=T0+△Th （1）
wherein, T0Presetting a first pressure holding time; delta ThFor a first compensated dwell time;
the first compensated dwell time Δ ThSatisfies the following formula (2):
△Th=H/1000+T0×2%×（H/1000） （2）
wherein H is an altitude parameter.
As another embodiment, the first compensated dwell time Δ T is calculated in a simplified mannerhThe following formula (3) may also be satisfied:
△Th=H/1000 （3）
in this embodiment, after the pressure holding time is determined again by using the formula (1), when the pressure heating device detects that the pressure holding state is switched to, pressure holding timing is started, and the duration of the pressure holding timing is controlled to meet the pressure holding time, so as to reach sufficient heating time.
By adopting the technical scheme of the embodiment of the invention, the pressure maintaining time is determined again through the obtained altitude parameter of the pressure heating equipment, so that the duration time of the pressure maintaining state is controlled to meet the newly determined pressure maintaining time, the situations of insufficient heating time and uncooked food caused by the altitude difference are avoided, and the user experience is greatly improved.
EXAMPLE III
The embodiment of the invention also provides a pressure heating control method which is applied to the pressure heating equipment. FIG. 5 is a schematic flow chart illustrating a pressure heating control method according to a third embodiment of the present invention; as shown in fig. 5, the method includes:
step 301: and when the heating function of the pressure heating equipment is detected to be started so as to be switched to a heating state, detecting the capacity grade of the content in the pressure heating equipment.
Step 302: in the process of the heating state, judging whether an altitude parameter is set; if the judgment result is negative, executing step 303; when the result of the determination is yes, step 304 is performed.
Step 303: and starting the altitude parameter setting, finishing the setting of the altitude parameter, and re-executing the judgment of the step 302.
Step 304: determining a dwell time based on the altitude parameter and the capacity rating.
Step 305: detecting a pressure parameter or a temperature parameter within the pressure heating apparatus; judging whether the pressure parameter or the temperature parameter reaches a first threshold value; when the judgment result is yes, executing step 306; when the result of the determination is negative, the heating process is continued, and the determination of step 305 is re-performed.
Step 306: and controlling the pressure heating equipment to switch to a pressure maintaining state, and starting timing of the pressure maintaining state.
Step 307: judging whether the timing time of the pressure maintaining state reaches the pressure maintaining time or not, and ending the operation flow when the judgment result is yes; if the result of the determination is negative, the pressure maintaining state is continued, and the determination of step 307 is executed again.
In this embodiment, before step 305 is executed, that is, before the pressure heating apparatus is in the heating state and the pressure parameter or the temperature parameter is detected to switch to the pressure maintaining state, the heating function is first activated to switch to the heating state, the volume level of the storage object is detected, and whether the altitude parameter is set is detected during the heating state. Specifically, in this embodiment, whether the altitude parameter has been set or not may be determined by detecting a pressure parameter or a temperature parameter in the pressure heating device, and determining the altitude parameter where the pressure heating device is located based on the pressure parameter or the temperature parameter; alternatively, the altitude parameter is detected by the altitude detection means. As the first embodiment, the pressure heating device is provided with a temperature parameter or pressure parameter detection device, and the temperature or pressure in the pressure heating device is related to the altitude parameter; for example, a comparison table may be preconfigured in the pressure heating device, and the comparison table includes a corresponding relationship between a heating time range, an altitude range and a temperature parameter/pressure parameter; the pressure heating apparatus may determine the altitude parameter by detecting the obtained temperature parameter or pressure parameter and the time in which the heating state is located, thereby determining whether the altitude parameter has been set. As the second embodiment described above, the pressure heating apparatus is provided with the altitude detection means, and the altitude parameter can be obtained by the altitude detection means, thereby determining whether the altitude parameter has been set.
In this embodiment, after the pressure heating apparatus determines that the altitude parameter has been set, the pressure holding time is determined again based on the altitude parameter and the volume level of the storage. After the switching to the pressure holding state is determined by the detected temperature parameter or pressure parameter, the duration of the pressure holding state is controlled based on the newly determined pressure holding time to satisfy the sufficient heating time.
By adopting the technical scheme of the embodiment of the invention, the pressure maintaining time is determined again through the obtained altitude parameter of the pressure heating equipment, so that the duration time of the pressure maintaining state is controlled to meet the newly determined pressure maintaining time, the situations of insufficient heating time and uncooked food caused by the altitude difference are avoided, and the user experience is greatly improved.
Example four
The embodiment of the invention also provides pressure heating equipment. FIG. 6 is a schematic structural diagram of a pressure heating apparatus according to an embodiment of the present invention; as shown in fig. 6, the pressure heating apparatus includes: a parameter acquisition unit 41, a capacity detection unit 42, a data processing unit 43, and a control unit 44; wherein the content of the first and second substances,
the parameter obtaining unit 41 is configured to obtain an altitude parameter of the pressure heating device;
the capacity detection unit 42 is configured to detect a capacity level of the contents in the pressure heating apparatus;
the data processing unit 43 is configured to determine a pressure holding time based on the altitude parameter obtained by the parameter obtaining unit 41 and the capacity level detected by the capacity detection unit 42;
the control unit 44 is configured to control the duration of the pressure holding state according to the pressure holding time determined by the data processing unit 43 when the pressure heating apparatus is detected to be switched to the pressure holding state.
In this embodiment, as an implementation manner, the parameter obtaining unit 41 is configured to detect an altitude parameter by an altitude detection device, or obtain the altitude parameter by an input operation of a user;
the volume detection unit 42 is configured to detect a volume level of the content in the pressure heating apparatus when detecting that the pressure heating apparatus starts the heating function to switch to the heating state.
Specifically, in the present embodiment, before the pressure heating apparatus starts the heating function, the parameter acquisition unit 41 first determines whether an altitude parameter has been set, wherein the set altitude parameter may be determined by whether an altitude parameter is detected by an altitude detection device or whether an altitude parameter determination is obtained by an input operation of a user. As the first embodiment described above, the parameter acquisition unit 41 may be implemented by an altitude detection device, and an altitude parameter may be obtained by the altitude detection device, thereby determining whether the altitude parameter has been set. As the second embodiment, the parameter obtaining unit 41 has a human-computer interaction function, such as a human-computer interaction trigger panel, through which the user can input the altitude parameter by himself/herself, and the parameter obtaining unit 41 can determine whether the altitude parameter has been set by obtaining the altitude parameter input by the user. Further, after the parameter acquisition unit 41 determines that the altitude parameter has been set, the control unit 44 activates a heating function to switch the pressure heating apparatus to a heating state in which a heating device in the pressure heating apparatus heats.
In another embodiment, the volume detecting unit 42 is configured to detect a volume level of the content in the pressure heating apparatus when the pressure heating apparatus is detected to start the heating function to switch to the heating state;
the parameter obtaining unit 41 is configured to detect a pressure parameter or a temperature parameter in the pressure heating apparatus when the pressure heating apparatus is in a heating state, and determine an altitude parameter where the pressure heating apparatus is located based on the pressure parameter or the temperature parameter; alternatively, the altitude parameter is detected by the altitude detection means.
Specifically, in the present embodiment, the control unit 44 first activates the heating function to switch to the heating state, the capacity detection unit 42 detects the capacity level of the contents, and the parameter acquisition unit 41 detects whether the altitude parameter is set during the heating state. Specifically, in this embodiment, the parameter obtaining unit 41 may determine the altitude parameter of the pressure heating device based on the pressure parameter or the temperature parameter by detecting the pressure parameter or the temperature parameter in the pressure heating device; alternatively, the altitude parameter is detected by the altitude detection means. As the first embodiment, the parameter obtaining unit 41 may be implemented by a temperature parameter or pressure parameter detecting device, since the temperature or pressure in the pressure heating apparatus is associated with the altitude parameter; for example, the parameter obtaining unit 41 may be configured with a comparison table in advance, where the comparison table includes a corresponding relationship between a heating time range, an altitude range, and a temperature parameter/pressure parameter; the parameter acquisition unit 41 may determine the altitude parameter by detecting the obtained temperature parameter or pressure parameter and the time at which the heating state is located, thereby determining whether the altitude parameter has been set. As the second embodiment described above, the parameter acquisition unit 41 may be implemented by an altitude detection device, and an altitude parameter may be obtained by the altitude detection device, thereby determining whether the altitude parameter has been set.
In this embodiment, the data processing unit 43 is configured to determine, based on the capacity class, a preset first pressure-holding time that satisfies the capacity class when the altitude parameter is zero; determining a first compensated dwell time based on the altitude parameter; determining the dwell time based on the preset first dwell time and the first compensated dwell time.
Specifically, the dwell time T satisfies the following formula (1):
T=T0+△Th （1）
wherein, T0Presetting a first pressure holding time; delta ThFor a first compensated dwell time;
the first compensated dwell time Δ ThSatisfies the following formula (2):
△Th=H/1000+T0×2%×（H/1000） （2）
wherein H is an altitude parameter.
As another embodiment, the first compensated dwell time Δ T is calculated in a simplified mannerhThe following formula (3) may also be satisfied:
△Th=H/1000 （3）
in this embodiment, after the data processing unit 43 re-determines the pressure maintaining time by using the formula (1), the control unit 44 starts pressure maintaining timing when detecting that the pressure maintaining state is switched to, and controls the duration of the pressure maintaining timing to meet the pressure maintaining time so as to achieve the sufficient heating time.
In the embodiment of the invention, the pressure heating equipment can be realized by a pressure cooker in practical application; the data Processing Unit 43 and the control Unit 44 in the pressure heating device can be realized by a Central Processing Unit (CPU), a Digital Signal Processor (DSP), a micro control Unit 44 (MCU), or a Programmable Gate Array (FPGA) in the pressure heating device in practical application; the parameter obtaining unit 41 in the pressure heating device may be implemented by an altitude detection device arranged in the pressure heating device in practical application, or may be implemented by an input device in combination with a CPU, a DSP, an MCU, or an FPGA, or may be implemented by a temperature/pressure detection device in combination with a CPU, a DSP, an MCU, or an FPGA; the volume detecting unit 42 in the pressure heating apparatus may be implemented by a distance measuring sensor or a height detecting device in practical applications.
By adopting the technical scheme of the embodiment of the invention, the pressure maintaining time is determined again through the obtained altitude parameter of the pressure heating equipment, so that the duration time of the pressure maintaining state is controlled to meet the newly determined pressure maintaining time, the situations of insufficient heating time and uncooked food caused by the altitude difference are avoided, and the user experience is greatly improved.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A pressure heating control method is applied to pressure heating equipment; characterized in that the method comprises:
acquiring an altitude parameter of the pressure heating equipment, and detecting the capacity grade of a content in the pressure heating equipment;
determining a dwell time based on the altitude parameter and the capacity rating;
when the pressure heating equipment is detected to be switched to the pressure maintaining state, controlling the duration of the pressure maintaining state according to the pressure maintaining time;
wherein said determining a dwell time based on said altitude parameter and said capacity rating comprises:
determining a preset first pressure-holding time satisfying the capacity grade when an altitude parameter is zero based on the capacity grade;
determining a first compensated dwell time based on the altitude parameter;
determining the dwell time based on the preset first dwell time and the first compensated dwell time.
2. The method of claim 1, wherein the obtaining an altitude parameter at which the pressure heating apparatus is located and detecting a volume level of contents within the pressure heating apparatus comprises:
detecting an altitude parameter by an altitude detection device, or obtaining the altitude parameter by an input operation of a user;
and when the heating function of the pressure heating equipment is detected to be started so as to be switched to a heating state, detecting the capacity grade of the content in the pressure heating equipment.
3. The method of claim 1, wherein said obtaining an altitude parameter at which said pressure heating apparatus is located comprises: detecting a pressure parameter or a temperature parameter in the pressure heating equipment during the heating state of the pressure heating equipment, and determining an altitude parameter of the pressure heating equipment based on the pressure parameter or the temperature parameter.
4. The process according to claim 1, characterized in that the dwell time T satisfies:
T＝T0+△Th；
wherein, T0Presetting a first pressure holding time; delta ThFor a first compensated dwell time;
the first compensated dwell time Δ ThSatisfies the following conditions:
△Th＝H/1000+T0×2％×(H/1000)；
wherein H is an altitude parameter.
5. A pressure heating apparatus, characterized in that the pressure heating apparatus comprises: the device comprises a parameter acquisition unit, a capacity detection unit, a data processing unit and a control unit; wherein the content of the first and second substances,
the parameter acquisition unit is used for acquiring an altitude parameter of the pressure heating equipment;
the capacity detection unit is used for detecting the capacity grade of the content in the pressure heating equipment;
the data processing unit is used for determining the pressure maintaining time based on the altitude parameter obtained by the parameter obtaining unit and the capacity grade detected by the capacity detection unit;
the control unit is used for controlling the duration time of the pressure maintaining state according to the pressure maintaining time determined by the data processing unit when the pressure heating equipment is detected to be switched to the pressure maintaining state;
the data processing unit is further used for determining a preset first pressure-holding time which meets the capacity grade when the altitude parameter is zero based on the capacity grade; determining a first compensated dwell time based on the altitude parameter; determining the dwell time based on the preset first dwell time and the first compensated dwell time.
6. The pressure heating apparatus according to claim 5, wherein the parameter acquisition unit is configured to detect an altitude parameter by an altitude detection device, or to obtain the altitude parameter by an input operation of a user;
the volume detection unit is used for detecting the volume grade of the object contained in the pressure heating equipment when the pressure heating equipment starts the heating function to be switched to the heating state.
7. The pressure heating apparatus according to claim 5, wherein the parameter acquisition unit is configured to detect a pressure parameter or a temperature parameter within the pressure heating apparatus during the heating state of the pressure heating apparatus, and determine an altitude parameter at which the pressure heating apparatus is located based on the pressure parameter or the temperature parameter.
8. A pressure heating apparatus according to claim 5, wherein the dwell time T satisfies:
T＝T0+△Th；
wherein, T0Presetting a first pressure holding time; delta ThFor a first compensated dwell time;
the first compensated dwell time Δ ThSatisfies the following conditions:
△Th＝H/1000+T0×2％×(H/1000)；
wherein H is an altitude parameter.
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