JPH01308509A - Electric warming pot for boiling rice - Google Patents

Abstract

PURPOSE:To finish boiling of rice meeting tastes by controlling the operations based on respective parameters stored at the time of a rice boiling mode, a steaming mode and a warming mode. CONSTITUTION:A user operates a key board 21 before an operation is started and sets respective parameters. Initially, when a selecting key 21b is inputted, the name of the parameter No=1 'soak boiling temperature' and its selecting range '30 to 70 deg.C' are displayed on the display screen of a liquid crystal display device 19, the user inputs the soak boiling temperature by a ten key 21a within the range and inputs a decision key 21c. The set soak boiling temperature is stored in an area corresponding to the parameter No=1 of a parameter setting memory 32. Subsequently, the contents displayed on the display screen are switched to the name of a parameter No=2 'soak boiling time' and a selecting range '0 to 10 minutes', so that the soak boiling time is similarly set. In such a way, the respective parameters of parameters No. 1 to 10 are completely set, and then, a start key 21d is inputted and an operation start is commanded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to an electric heating pot controlled by a microcomputer.

(Conventional technology) In recent years, some electric heating pots that first boil the rice at a low temperature, then cook the rice, steam it for a certain period of time after the rice is cooked, and then keep it warm so that it does not get cold.
A microcomputer (hereinafter abbreviated as "microcomputer") has been developed and commercially available in which the boiling operation, rice cooking operation, steaming operation, and warming operation are controlled by a microcomputer (hereinafter abbreviated as microcomputer).

(Question 8 to be solved by the invention) However, in the microcomputer-controlled electric heating pot,
The steaming operation, rice cooking operation, steaming operation, and warming operation are controlled with the goal of achieving the desired result on average by the user, and as long as the amount of rice and water is constant, there will be only one result. For this reason, it has been impossible to accommodate the preferences of individual users.

Therefore, the present invention allows the user to freely set each parameter necessary for rice cooking operation, steaming operation, and warming operation.
The purpose is to provide an electric heating pot that can produce a product that meets the preferences of individual users.

[Structure of the Invention] (Means for Solving the Problems) In order to solve the above problems, the present invention provides an electric heating pot having a rice cooking mode, a steaming mode, and a warming mode.
Each rice cooking parameter such as the amount of rice to be cooked in the rice cooking mode, the power after boiling and the cooking temperature, each steaming parameter such as the steaming time, steaming temperature and steaming power in the steaming mode,
A parameter input means for manually inputting each of the heat retention parameters of the heat retention temperature and heat retention time in the heat retention mode, a storage means for storing each parameter inputted by this input means, and a parameter input means for storing each parameter inputted by this input means, based on each parameter stored by this storage means. It is equipped with a control means for controlling operation in each mode.

(Function) If the electric heat-retaining pot takes such measures, each rice cooking parameter such as the rice cooking power in the rice cooking mode, the power after II3 rising, and the cooking temperature, and the steaming time, steaming temperature, and steaming power in the steaming mode can be controlled. By inputting each steaming parameter, the heat retention temperature and heat retention time parameters in the heat retention mode, these input parameters are stored, and the operation of each mode is controlled based on the stored parameters. By inputting each parameter according to the user's preference, the product will be finished in accordance with the user's preference.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a control section in the electric heating pot of this embodiment. In the same figure, 11 is a CPU as the main body of the control unit, a ROM 12 that stores fixed data such as control programs, and a RAM 1 that stores variable data such as input data from a keyboard 21, which will be described later.
3 are connected via a path line 14 consisting of an address bus, a data bus, etc. Also, a heater drive circuit 16 for a heater 15 (not shown) that heats a pot, a temperature detection circuit 18 that receives signals from a temperature sensor 17 that adjusts the temperature inside the pot AJJ, and a liquid crystal display that displays input data from a keyboard 21, etc. Display control circuit 20 that drives and controls the display 19, temperature in the soaking mode for 9 hours, rice cooking power in the rice cooking mode, power after boiling, cooking temperature, time in the steaming mode, temperature, power, and in the keeping warm mode. A keyboard input circuit 22 for inputting key signals from a keyboard 21 for inputting various temperature parameters for nine hours, and a timer circuit 23 are connected to the CPU II via a path line 24 consisting of a data bus or the like. In addition, the above RAM13
is backed up by a battery 13a.

FIG. 2 is a plan view of the operation panel 25 including the display 19 and the keyboard 21. As shown in FIG. The display screen of the liquid crystal display 19 is composed of a dot matrix. The keyboard 21 includes a numeric keypad 21a1 of "0" to "9", and a selection key 21b1 for instructing input mode selection for each parameter.
Determination key 21C1 for instructing determination of manually-operated parameters
A start key 21d for instructing the start of operation and a foam extinguishing key 24e for instructing cancellation of manually input parameters are provided.

FIG. 3 is a diagram showing the main memory configuration of the RAM 13. In the figure, 31 indicates the temperature and time in the hot cooking mode (parameters ``1'' and ``2''), the cooking power in the rice cooking mode, the power after boiling, and the cooking temperature (parameters NQr3J r4J ``5''), and the steaming mode. time, temperature and power (parameters Oni r6J r74
r8J), a parameter table that stores the names and selectable ranges of parameters corresponding to the parameters "1" to "10" set for each parameter of temperature and time in heat retention mode (parameters Nil r9JrlOJ). It is. Reference numeral 32 denotes a parameter setting memory that stores the setting values of the parameters corresponding to each of the above-mentioned parameters.

Here, the selectable range of each parameter is the range without failure when operating in each mode, and the user sets each parameter within this range, and the set value is stored in the parameter setting memory 32. The configuration is such that each mode of operation is executed based on the set values stored in this memory 32.

FIG. 5 is a flowchart showing each parameter setting operation,
When the CPU 1 detects the input of the selection key 21b from the keyboard 21 in the STI, the CPU 1 sets the built-in counter C to "
0", and then set the counter C to "+1" in Sr2.
” is updated.

Then, the name and selectable range of the parameter corresponding to parameter C are read out from the parameter table 31 and displayed on the display screen of the liquid crystal display 19 in the format shown in FIG. 2, for example.

After that, wait for the human power of the numeric keypad 21a, and then press the numeric keypad 21a.
When the number is entered, the number data is displayed on display 1.
9 on the display screen. And numeric keypad 21a
When the input of the cancel key 21e is detected after the input of , the numeric data is cleared and the state returns to the state of waiting for human input from the numeric keypad. On the other hand, when an input from the enter key 21c is detected after an input from the numeric keypad 21a, it is determined whether or not the set number data is included in the selectable range read from the parameter table 31. and,
If it is not included, the numeric data is cleared, an error is displayed on the display screen of the liquid crystal display 19, and the state returns to the state of waiting for human input from the numeric keypad. On the other hand, if the set number data is included in the applicable selectable range, the set number data is stored as the setting value of the parameter in the area corresponding to the corresponding parameter consideration in the parameter setting memory 32. After that, the operations from ST2 onwards are repeated until the counter C reaches "10", and Sr1
When [Counter 10] is detected at , the operation ends.

On the other hand, when the CPU II detects the input of the start key 21d in the Sr4 with no input of the selection key 21b in the STI, it checks whether each parameter has been set in the parameter setting memory 32, and if it is not set, the CPU Terminate human power as an error. If the settings have been completed, the operation control process shown in FIG. 5 is executed based on the respective parameter setting values.

When the flowchart starts, the mode first goes into the hot cooking mode, and the heater drive circuit 16 is activated to increase the power of the heater 15 to 100%.
Turn on up to %. Then, the temperature P detected by the temperature sensor 17 is monitored, and when it reaches the boiling temperature of parameter NQ-1, the timer circuit 23 is started, and the timer circuit 23 is started, and the timer circuit 23 is started.
The power of the heater 15 is controlled so that the current temperature is maintained until the boiling time reaches the soaking time of parameter Nc-2.

When the measured time T reaches the cooking time, the rice cooking mode is activated, and the power of the heater 15 is changed to the parameter N[l-3
of rice cooking power. Thereafter, the temperature detected by the temperature sensor 17 is monitored, and when the temperature reaches 100° C. (boiling temperature), the power of the heater 15 is set to the post-boiling power of parameter Nn-4.

Then, the temperature detected by the temperature sensor 17 is the parameter Nl1
When the cooking temperature of -5 is reached, the mode becomes steaming mode, the timer circuit 23 is activated, and the timer is set to the parameter NQ-5.
Control is performed to maintain the steaming temperature of parameter Blood-7 with the steaming power of Parameter-8 until the steaming time of Parameter-6 is reached. After the steaming time has elapsed, it will enter the keep warm mode.
Start the timer circuit 23, and set the timer circuit 23 to the parameter m-
The steaming temperature of parameter Nα-9 is controlled to be maintained until the heat retention time of 10 is reached. When the heat retention time has elapsed, the heater 15 is stopped, an alarm is issued by a buzzer (not shown), and the process ends.

Note that the operations shown in the flowcharts of FIGS. 4 and 5 are stored in the ROM 12 as a program.

In this embodiment with such a configuration, the user operates the keys on the keyboard 21 to set each parameter before starting operation. First, the selection key 21b is input. Then, the parameter NQ- is displayed on the display screen of the liquid crystal display 19.
Name of item 1 “Hitashi cooking temperature” and its selectable range “30
70℃" is displayed, the user inputs the boiling temperature within the range using the numeric keypad 21a, and then presses the OK key 2.
Enter 1c. Then, parameter setting memory 3
The boiling temperature placed in the area corresponding to the parameter NCL-1 of No. 2 is stored. Subsequently, the display content on the display screen changes to the name of parameter 2-2, ``Hitashi-cooking time'', and the selectable range ``0 to 10 minutes'', so the user similarly sets the Hitashi-cooking time. After setting the parameters of parameters 1 to 10 in this manner, the user inputs the start key 21d to instruct the start of operation.

FIG. 6 is a diagram showing time-based changes in the temperature inside the pot and the heater power after the start of operation. When the start key 21d is input at time to, the cooking mode is first set and the temperature is 15.
power becomes 100%.

Then, at time t1, when the temperature inside the pot reaches the hot cooking temperature P1 of the parameter value -1, the heater power is controlled to maintain the current temperature P1 for the hot cooking time T1 of the parameter magnet = 2, and the hot cooking is continued. It is done. Time t2
When the cooking time T1 has elapsed, the rice cooking mode is entered, and rice cooking is performed with the heater power set to the rice cooking power equal to the parameter -3. During cooking, the temperature inside the pot is 10 at time t3.
Once the temperature reaches 0°C, the heater power is changed to the parameter Ni1-4.
After boiling, it becomes electric power. Then, at time t4, when the temperature inside the pot reaches the cooking temperature P2 of parameter 5, the steaming mode is entered, and the steaming power of parameter 7 is maintained until the steaming time T2 of parameter 6 is reached. The steaming temperature P3 is maintained. When the steaming time T2 has elapsed at time t6, the mode becomes a heat retention mode, and the steaming temperature P4 of the parameter NQ-9 is maintained until the heat retention time T3 of the parameter Ha-10 has elapsed. Heat retention time T3
Once the period has passed, operation will be automatically stopped.

As described above, according to this embodiment, the user operates the keyboard 21 to set the required parameters for each operation mode, and the electric heating pot is operated according to the settings. . therefore,
By setting each parameter according to the user's preference, the product will be finished in accordance with the user's preference, so it is possible to realize a variety of finished products that correspond to the preferences of individual users.

Moreover, the selectable range is preset for each parameter so that it can be selected without failure, and the user can only set it within this range, so they can pursue their own preferences without making mistakes. . Furthermore, once each parameter is set, the setting parameters are retained in the parameter setting memory 32, so from the next time onwards, just by operating the start key 21d, the result can be achieved in accordance with one's own preferences, which increases the sense of complication. It's not a thing.

Note that the parameter table 31 may be stored in the ROM 12. Moreover, even an electric heating pot that does not include the hot cooking mode can fully exhibit the effects of the present invention.

[Effects of the Invention] As described in detail above, according to the present invention, the user can freely set each parameter necessary for rice cooking operation, steaming operation, and warming operation, and it is possible to adjust the parameters according to the preferences of individual users. We can provide an electric heat-retaining pot that allows you to achieve the finished product.

[Brief explanation of the drawing]

1 to 6 are diagrams showing one embodiment of the present invention, in which FIG. 1 is a block diagram showing the control section of the electric heating pot, FIG. 2 is a plan view of the operation panel, and FIG. A diagram showing the main memory configuration of the RAM, Figure 4 is a flowchart showing the setting operation of each parameter, Figure 5 is a flowchart showing the operation operation, and Figure 6 is a time-based change in the temperature inside the pot and heater power during operation. It is a figure showing an example. 11...CPU, 12...ROM, 13...RA
M. 15... Heater, 17... Temperature sensor, 19...
Liquid crystal display, 21...Keyboard, 31...Parameter table, 32...Parameter setting menu. Applicant's agent Patent attorney Takehiko Suzue Cn ^■ Cao's g3 Cause Figure 5

Claims (1)

[Claims] In an electric heating pot that has rice cooking mode, steaming mode, and warming mode, rice cooking parameters such as rice cooking power, post-boiling power, and cooking temperature in rice cooking mode, steaming parameters such as steaming time, steaming temperature, and steaming power in steaming mode , a parameter input means for inputting the heat retention parameters of the heat retention temperature and heat retention time in the heat retention mode, a storage means for storing each parameter inputted by the input means, and a parameter input means for storing each parameter inputted by the input means, and and a control means for controlling the operation in each of the above-mentioned modes.