JP2005207695A - Automatic heating cooker and its program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic heating cooker with a raw rice menu switch on a rice boiling function in an automatic cooking menu. <P>SOLUTION: The automatic heating cooker comprises a vessel temperature detecting means for detecting a temperature in a cooking vessel, a heating means for heating the cooking vessel, a heat quantity control means for controlling the heat quantity of the heating means, and a raw rice selecting key provided on a rice boiling menu for automatic cooking. A rice boiling amount is discriminated in accordance with the temperature detected by the vessel temperature detecting means and a heating method with the heating means is changed depending on the discriminated amount, therefore actualizing automatic finish of boiled raw rice. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a heating cooker that performs automatic cooking.

The conventional gas cooker that performs automatic cooking of rice cooking, for example, when cooking rice, controls the stove that is the heating means for heating the cooking pot, the calorie control means that controls the amount of heat of the stove, and the calorie control means Electronic control means, an operation unit for inputting ignition and extinguishing to the electronic control means, a temperature detection means for detecting the temperature of the cooking pot and inputting a detection signal to the electronic control means, and a temperature for detecting a temperature gradient It is equipped with a gradient detection means and a rice cooking capacity determination means for determining the rice cooking capacity from the temperature gradient.When cooking rice, the temperature gradient of the heated pan is detected to determine the rice cooking capacity, and the heat control suitable for the capacity is performed. It was to perform optimal automatic cooking (see, for example, Patent Document 1).
JP-A-6-317328

  However, when brown rice is cooked with the rice cooking function of the cooking menu, it is a function dedicated to white rice, so the water immersion time to make the rice absorb water is short, the rice becomes hard due to insufficient water immersion, and the finished food is allowed I could not. Therefore, since the amount of water required for cooking is about 1.5 times more than white rice, cooking time will inevitably be longer than that for white rice, but it usually continues for more than a certain amount of time with standard safety controls. There is a function that automatically extinguishes when heating, this safety control function is activated and heating stops before the user notices during cooking, and the problem that the user cannot cook as expected Has occurred.

  In addition, if it is done manually, it is difficult to adjust the heat power, and at a certain heat power, the core remains in the rice, so cook the rice after soaking it in water from the previous day, or if you do not soak it in water, do not cook using a pressure pan There were various restrictions, such as it was difficult to cook brown rice in good condition.

  In addition, when the brown rice menu is cooked with an electric rice cooker, it takes 2 hours to cook, and there is a problem that cooking is not possible unless there is enough time. In addition, some cores may remain in the rice even after cooking, and it was not always delicious.

  Also, when cooking brown rice menu with a gas cooker, the cooking time is shortened from 1 hour to 1 and a half hours, but in order to infiltrate the water into the rice, it uses electricity while repeating the ignition and extinguishing of gas during cooking. By making the water temperature constant, water was infiltrated into the rice so that brown rice was cooked deliciously.

  The present invention uses a gas-only heat source for the cooking rice function of the cooking menu, can cook well in any kind of pan, and is delicious in a shorter time than when cooking any brown rice described above. The purpose is to have a brown rice menu.

  In order to solve the above-mentioned problems, the present invention provides a container temperature detecting means for detecting the temperature in a cooking container, a heating means for heating the cooking container, a heat quantity control means for controlling the amount of heat of the heating means, and automatic cooking. The rice cooking menu is provided with a brown rice selection key, the amount of rice cooking is determined based on the temperature detected by the container temperature detection means, and the heating method by the heating means is changed according to the determined amount.

  And it has the function to discriminate | determine the amount of rice cooking and to change how to give thermal power, such as a pre-immersion cooking process, a boiling maintenance process, and a main cooking process. And by the said effect | action, a brown rice menu can be automatically finished with a temperature control menu deliciously in a short time.

  The automatic cooking device of the present invention, when brown rice cooking is selected by automatic cooking, performs rice cooking amount discrimination based on the temperature detected by the heating container temperature detection means, and adjusts the heating power of the heating means according to the rice cooking amount. It is possible to automatically cook brown rice with a good taste in a shorter time than the brown rice function of an electric rice cooker or the brown rice function of a gas rice cooker.

  The first invention includes a container temperature detecting means for detecting the temperature in the cooking container, a heating means for heating the cooking container, a heat quantity control means for controlling the amount of heat of the heating means, and a rice cooking menu for automatic cooking. By using an automatic heating cooker that includes a selection key, determines the amount of rice cooking based on the temperature detected by the container temperature detection means, and changes the heating method by the heating means according to the determined amount, Depending on the quantity, automatic heating power adjustment is performed, and tasty brown rice cooking is possible.

  The second invention is a program for causing a computer to execute at least a part of the functions of the automatic heating cooker of the first invention. And since it is a program, at least one part of the automatic cooking device of this invention can be easily implement | achieved by cooperating hard resources, such as an electrical / information apparatus, a computer, and a server. Also, the program can be distributed / updated and installed easily by recording on a recording medium or distributing the program using a communication line.

  Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1)
1 is an overall perspective view of a gas cooking device according to Embodiment 1 of the present invention. FIG. 2 is an explanatory diagram of the operation panel according to the first embodiment. FIG. 3 is a diagram for explaining the gas amount control of the heating cooker in the same embodiment, FIG. 4 is a flowchart for determining the amount of function during automatic brown rice cooking in the first embodiment, and FIG. 5 is the first embodiment. 6 is a sequence at the time of small-scale rice cooking of the first embodiment, FIG. 7 is a flowchart at the time of large-scale rice cooking of the first embodiment, and FIG. 8 is a flowchart at the time of large-scale rice cooking of the first embodiment. A sequence is shown.

  In FIG. 1, a gas table using gas as a heat source, a right-side stove 1 is a burner that is a temperature sensor 2 that is a temperature detection means so as to detect the temperature of the bottom of a pan that is a heating container. 3 It is provided in the center and is designed to perform automatic cooking. The left stove 2 is configured without a temperature sensor, and a grill 5 door is provided on the front of the table.

  Next to the grill door, there is an operation unit 6, as shown in FIG. 2, a switch 7 for turning on / off the operation, an ignition fire extinguishing switch 8 for the right stove, a rice cooking menu switch 9 for automatic cooking, and a rice cooking menu selection White rice or brown rice can be selected alternately each time the menu key is pressed. 10 is a lamp that displays white rice and 11 is a selection of brown rice. Moreover, the operation key of the cancellation switch 12 which cancels automatic cooking and the battery storage part 13 are provided below the operation part.

  The control of the gas amount to the burner as the heating means of these left and right stoves and grills will be described with reference to FIG. The gas supplied from the hose end 14 passes through the original solenoid valve 15 and is supplied from the nozzle 17 to the burner 3 by the right stove control unit 16 and ignited. The right stove gas control unit 16 serving as a right stove heat amount control means includes a right stove flow rate control unit 18, a stepping motor 19 for driving the right stove gas flow rate control unit 18, and the right stove gas flow rate. The encoder 20 is configured to detect the position of the control unit 18. And the control of the gas amount to the right stove is a result of the judgment by the control means 21 based on the information inputted by key operation from the operation unit 6 and the input information of the temperature sensor 2 provided in the burner 3, The right stove gas control unit 16 controls the amount of gas and performs automatic cooking.

  In the present embodiment, the left stove and the automatic cooking function of the grill are not configured, but the configuration of the gas control unit is the same as that of the right stove, and the heating power adjustment specified by the operation unit 6 is performed respectively. It carries out also to the burner 4a of the left stove 4 and the grill burners 5a to 5d of the grill 5.

  FIG. 4 is a flowchart for determining the amount of function during automatic brown rice cooking according to Embodiment 1 of the present invention. The thermal powers 1) to 5) used in the description of the figures after FIG. 4 are explained as follows: 1) the weakest fire 0.52 kW, 2) the medium low fire 0.81 kW, 3) the medium fire 1.16 kW, 4) the medium high fire. 86 kW, 5) 5 stages of high fire 2.97 kW. The rice cooking switch 9 of the operation unit is pressed to select white rice or brown rice. By repeatedly pressing the rice cooker switch, the white rice selection display lamp 10 and the brown rice selection display lamp 11 can be turned on and either can be selected, so when brown rice cooking is specified and the ignition switch 8 on the right side is ignited, the brown rice Cooking rice is started (S1). After the ignition is maintained in the medium weak fire 2), the heat is dropped to the weakest fire 1) and burned (S2). The temperature sensor 2 which is a container temperature detecting means closely attached to the bottom of the pot in FIG. 1 has a means for measuring the temperature of the bottom of the pot, takes the sensor temperature into the microcomputer every 2 seconds, and detects the current temperature rise of the sensor. Based on the time gradient of the temperature rise when the sensor temperature is 50 ° C. to 80 ° C. (S3), the quantity is determined as a small number (1 and 2) and a large number (3). When it is determined that the amount is small (S5), the flow of FIG. 4 is continued, and when it is determined that the amount is large (S4), the flow of FIG. 5 is continued.

  FIG. 5 is a flowchart at the time of cooking a small amount of rice in the first embodiment. FIG. 6 shows the sequence. In the case of a small number (1 go and 2 go) (S5), while holding at the weakest fire 1) after cooking (S51a), when 10 minutes have passed (S51), the fire is automatically extinguished (S52, S53a) . 5 minutes later (S53) automatically reignite (S54), hold the ignition with medium low heat 2), drop the heat to the weakest fire 1) (S55a) and burn for about 5 minutes (S55) before flooding Perform the cooking process. Then, the heating power is changed to medium high fire 4) (S56), the water temperature in the pan is raised to near the boiling temperature (S57, S57a), and then the boiling maintenance process is performed to reduce the heating power to medium heat 3) so as not to spill ( S58, S59, S59a). Thereafter, the heat power is changed to medium low heat 2) (S60), and the main cooking process is started. During the cooking process, the sensor temperature is taken into the microcomputer every 2 seconds and held at low heat 2) until the difference between the current sensor temperature and the sensor temperature 30 seconds before becomes 10 degrees or less (S61) ( S61a), the sensor temperature at that time is set as the equilibrium temperature (S62). The temperature is maintained at medium low heat 2) until the sensor temperature is 50 ° C. or higher than the equilibrium temperature (S63a), and when the temperature reaches 50 ° C. or higher (S63), the cooking is automatically extinguished (S64).

  In this pre-immersion cooking process, it is possible to keep the temperature at about 60 ° C, and the quality of brown rice cooking will be determined, but electronic gas flow control that can appropriately adjust such heating power is performed. This can be realized only with the provided configuration, and is a thermal power control characteristic of the configuration of the present embodiment.

  In the sequence diagram shown in FIG. 6, the left side of the vertical axis is the temperature, the solid line is the bottom temperature of the rice cooker detected by the temperature sensor 2 that is the container temperature detection means, and the dotted line indicates the water temperature in the pot. The right side shows the magnitude of the thermal power. A horizontal axis is a time axis which shows a rice cooking process. The configuration of this figure is the same as the sequence diagram shown in FIG.

  FIG. 7 shows a flow chart for cooking a large amount (3 go) of the first embodiment, and FIG. 8 shows a sequence for cooking a large amount (3 go) of the first embodiment. Next, the operation and action will be described. In the case of a large number (3) (S4), 20 minutes after the start of cooking is maintained with low heat 1) and the cooking process before immersion is performed. Then, change the heating power to medium high fire 4) (S42), raise the water temperature in the pan to near boiling temperature (S43, S43a), and then drop the heating power to medium fire 3) to prevent spilling (S44, S45, s45a) ) Perform boiling maintenance process. Thereafter, the heating power is changed to medium low heat 2) (S46), and the main cooking process is started. During the cooking process, the sensor temperature is taken into the microcomputer every 2 seconds, and when the difference between the current sensor temperature and the sensor temperature 30 seconds before becomes 10 degrees or less (S47), the sensor temperature is defined as the equilibrium temperature. (S48). When the sensor temperature becomes 50 ° C. or higher than the equilibrium temperature (S49, S49a), it is automatically extinguished (S50) as cooking is completed.

  By performing brown rice rice cooking with a gas automatic heating cooker with the above configuration, it is possible to cook with good taste in a much shorter time than the time required for brown rice cooking with a conventional electric rice cooker. According to the experiments by the inventors, in the case of cooking with a conventional electric rice cooker, the time for cooking is about 1 hour and 52 minutes for 2 hours, 1 hour and 53 minutes for 2 hours, 1 hour and 55 minutes for 3 hours. However, when implemented in accordance with the configuration of the first embodiment, it takes 1 hour and 2 minutes for 2 hours, 1 hour and 3 minutes for 2 hours, 1 hour and 4 minutes for 3 hours. The rice cooking time can be shortened by about 1 hour. In addition, even in this shortened rice cooking time, the taste can be improved further without the taste being lower than that of an electric rice cooker.

  In the present embodiment, the interval at which the temperature of the pan bottom is detected is every 2 seconds, but this is not limited to 2 seconds, and can be realized even in the range of 2 to 10 seconds.

  In addition, if it is a heating cooker which can perform combustion control mentioned above, shortening of brown rice cooking time can be implement | achieved not only in the cooking by gas combustion.

  Note that the means described in this embodiment causes hardware resources such as a CPU (or microcomputer), a RAM, a ROM, a storage / recording device, an electrical / information device including an I / O, a computer, a server, and the like to cooperate. You may implement with the form of a program. In the form of a program, new functions can be easily distributed / updated and installed by recording them on a recording medium such as magnetic media or optical media or distributing them via a communication line such as the Internet.

  As described above, in the heating control of the heating cooker according to the present invention, it is possible to automatically cook delicious brown rice, so for example, brown rice cooking control effective for gas cookers such as commercial and household built-in equipment. is there.

External view of automatic heating cooker according to Embodiment 1 of the present invention Explanatory drawing of the operation unit of the first embodiment The figure explaining gas amount control of the heating cooker in the embodiment Flow chart of function quantity determination at the time of automatic brown rice cooking of Embodiment 1 Flow chart at the time of cooking a small amount of rice in the first embodiment Explanatory drawing of the sequence at the time of the small amount rice cooking of Embodiment 1 Flow chart at the time of mass cooking of Embodiment 1 Explanatory drawing of the sequence at the time of mass cooking of Embodiment 1

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Right side cooker 2 Temperature sensor which is container temperature detection means 3 Right side burner which is heating means 6 Operation part 9 Rice cooking menu switch 11 Brown rice selection display lamp 16 Right stove gas control part which is calorie | heat amount control means 18 Right stove gas flow rate Control unit 21 Control means

Claims (2)

A container temperature detecting means for detecting the temperature in the cooking container; a heating means for heating the cooking container; a calorie control means for controlling the amount of heat of the heating means; and a brown rice selection key in a rice cooking menu for automatic cooking, An automatic heating cooker configured to discriminate the amount of rice cooking based on the temperature detected by the container temperature detecting means, and to change the heating method by the heating means according to the determined amount. The program for making a computer perform at least one part of the function of the automatic heating cooker of Claim 1.

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