JP2012247092A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating cooker having energy-saving effect in an ingredient defrosting process by automatically terminating cooking only by a grill cooker even with respect to frozen ingredients.SOLUTION: A detachable cooking pan 4 provided with a heat sink 18 is placed inside of a grill housing 2 of a grill device 1, a preset first prescribed input is output to a heating control means 11 to be applied to an upper heating means 5 and a lower heating means 6 when a temperature converted by a cooking ingredient temperature converting means 20 reaches about -5°C, when a frozen fish grill course for cooking the frozen ingredient, of an operating part 13 is selected, start of time measurement is informed to a timing part 12 when it is detected that the temperature reaches about 60°C, a second prescribed input is output, and heating output is controlled so that the second prescribed input is continuously applied to the heating control means 11 until the measured time reaches a preset first prescribed time.

Description

  The present invention relates to a cooking device equipped with an automatic cooking course, and more particularly to a cooking device capable of cooking a food material such as frozen fish without having to be thawed before cooking.

  Conventionally, this type of cooking device has a course in which fish can be cooked automatically, and a user can easily cook grilled fish with a single operation (see, for example, Patent Document 1). .

JP 2008-228960 A

  However, when these cooking devices are used, the temperature state of the food is limited from room temperature to refrigeration.

  In recent years, freezing of ingredients is indispensable as nuclear families and solid and individual diets are advancing, and it is common to freeze ingredients in each household. When cooking in a conventional automatic course in a frozen state, the load amount of the grill is erroneously determined and the surface is burnt, but the inside is still in a frozen state, so that it cannot be eaten. When cooking frozen food with the grill function, it must be thawed by natural thawing, or set in the grill after the thawing process in a microwave heater, and cooking must be started. Therefore, it was necessary for the user to take time and effort such as washing the tableware used when using the microwave heater and moving food.

  In addition, even if the user tries to grill the frozen food manually, the thawing of the frozen food must pass through the temperature range from −5 ° C. to 5 ° C. at which the cells are destroyed at the food temperature. When the food temperature passes slowly around 60 ° C., protein outflow, which is often seen when heating frozen fish or the like, is noticeable and looks bad. It had the subject that it was difficult for a user to cook manually by visual observation.

  Accordingly, the present invention solves the above-described conventional problems, and provides a heating cooker that automatically finishes cooking only with a grill cooker even with frozen ingredients, and has an energy saving effect in the food thawing process. With the goal.

In order to solve the above-described conventional problems, a heating cooker according to the present invention includes a main body that forms an outer shell, and a grill device that cooks food such as fish provided in the main body. A detachable food placing plate for placing the food with the heat sink mounted therein, which is housed in the grill cabinet, is stored, and the food placing plate is placed on a glass plate installed at the lower part of the grill device. A lower heating means using an infrared heater that is placed near the glass plate and is installed below the glass plate and heats the food from below; an upper heating means that is installed above the grill and heats the food from above And an internal temperature detecting means for detecting the temperature in the grill cabinet, and a cooking control based on a mode selection command input from the operating unit by the user and the user selecting the cooking control mode in the main body Control hand to select one of the modes And a heating control means for controlling the output of the upper heating means and the lower heating means based on the output of the control means, and stores a cooking sequence according to the temperature condition of the food detected by the food temperature detecting means. A cooking sequence storage means; a cooking temperature conversion means for converting the food temperature from the temperature detected by the internal temperature detection means; and a timer for measuring the time. When the frozen grill course selection button for cooking food is selected and the frozen fish grill course is selected, the control means detects that the temperature converted by the food temperature conversion means has reached approximately −5 ° C. A first predetermined input set in advance so that the food temperature quickly passes through −5 to 5 ° C. and the surface of the food is not colored is input to the heating control means. Apply to When it is detected that the temperature converted by the food temperature conversion means has reached about 60 ° C., the time measuring unit is notified that the time is started, and the cooking surface is not burned without scorching the surface of the food. The second predetermined input smaller than the first predetermined input for raising the internal temperature is output, and the time measured by the time measuring unit is set in advance so that the internal temperature of the cooked product is 80 to 90 ° C. Until the first predetermined time is reached, the heating control means does not apply the second predetermined input to the heating control unit so that it is not applied to the middle heating stage until -5 ° C. By passing quickly through a temperature zone that easily destroys the cells of the cooked food while thawing, the frozen foods are delicious and can be cooked with energy saving.

  Since the cooking device of the present invention can be cooked in a sequence for frozen ingredients in the automatic cooking of the grill part, the user can save time and effort to thaw even when the frozen ingredients are cooked. While having it, you can cook without failure.

The block diagram of the induction heating cooking appliance in Embodiment 1 of this invention The figure which shows the internal temperature, cooked material temperature, and output curve in each cooking process in Embodiment 1 of this invention. The perspective view of the dish mounting dish in Embodiment 1 of this invention Flowchart in Embodiment 1 of the present invention The block diagram of the induction heating cooking appliance in Embodiment 2 of this invention

1st invention was equipped with the main body which comprises an outer shell, and the grill apparatus which heat-cooks foods, such as a fish provided in the main body, and the grill apparatus was equipped with the heat sink accommodated in a grill warehouse. A detachable food placing plate for placing the food is stored, and the food placing plate is placed close to the glass plate installed at the lower part of the grill device, and is placed below the glass plate. The lower heating means using an infrared heater that is installed and heats the food from below, the upper heating means that is installed above the grill and heats the food from above, and the internal temperature for detecting the temperature in the grill And a control unit for selecting one of the cooking control modes based on a mode selection command input from the operation unit, and a control unit. Based on the output of Heating control means for controlling the output of the lower heating means, cooking sequence storage means for storing the cooking sequence according to the temperature condition of the food detected by the food temperature detection means, and the internal temperature detection means Cooking temperature conversion means for converting the temperature of the food to be cooked, and a timer for measuring the time, and the operation unit has a frozen grill course selection button for cooking the frozen food, and is controlled. When the means detects that the frozen fish grill course has been selected and the temperature converted by the food temperature conversion means has reached approximately −5 ° C., the heating control means sets the food temperature to −5 to 5 The first predetermined input preset so as to pass through ℃ quickly and the surface of the food is not baked is output to be applied to the lower heating means and the upper heating means, and converted by the food temperature conversion means. When it is detected that the measured temperature has reached approximately 60 ° C., a first predetermined time is notified to start the time measurement, and the internal temperature of the cook is increased without scorching the surface of the cook. The second predetermined input smaller than the input is output, and the time counted by the time measuring unit reaches the first predetermined time set in advance so that the internal temperature of the food becomes 80 to 90 ° C. By controlling the output so that the second predetermined input is continuously applied to the heating control means, it is not applied to the heating means up to −5 ° C., so that the cells of the cooked food during thawing are reduced while reducing the power consumption during the thawing process. By quickly passing through the temperature zone where it is easy to destroy, frozen foods are delicious and can be cooked with energy saving.

  According to a second aspect of the invention, in particular, in the first aspect of the invention, when the control means detects that the time measured by the time measuring unit has reached the first predetermined time, the heating control means is provided with the surface of the food. Set the grilled color and set the third predetermined input larger than the second predetermined input, set to burn the protein that has flowed to the surface by heating the frozen fish, and the time counted by the timing unit is cooked By controlling to continue the application until reaching the second predetermined time or the second predetermined temperature that is set in advance so that the surface of the object does not burn, the appearance of the food surface with a proper baking color is improved. Moreover, the fragrance can be given to the surroundings.

According to a third aspect of the present invention, in the first aspect of the present invention, in the first aspect of the present invention, the glass plate and the heat sink further include a fan for blowing air, and when the frozen fish grill course is selected,
By starting the fan, the cooking thawing time at room temperature can be shortened.

  According to a fourth aspect of the invention, in particular, in the third aspect of the invention, when the control means detects that the temperature converted by the food temperature conversion means has reached approximately −5 ° C., it stops the fan. The air heated by the lower heating means is avoided from being released from the recess of the heat sink, and heat can be efficiently transferred from the heat sink to the food.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows a block diagram of an induction heating cooker according to Embodiment 1 of the present invention.

  In FIG. 1, the grill device 1 has a grill box 2 having an open front surface, and an upper heating means 5 for heating the food 3 from above and a lower heating means 6 for heating from below are attached inside the grill box 2. Yes. The upper heating means 5 is composed of either a sheathed heater, a halogen heater, or other heat source, and the lower heating means 6 is composed of a heat source such as an optical heater. When a commercial power supply voltage is applied, the upper heating means 5 generates heat and heats the food 3 Can be cooked.

  In the present embodiment, the upper heating means 5 is attached to the inside of the grill cabinet 2, but the convection oven or the like is cooked by using hot air convection or circulation from the outside of the grill cabinet 2. There is also a thing which heats 3, but it is not restricted to this.

  The dish placing plate 4 is attached with a heat sink 18 and is detachably mounted on a glass plate 9 installed in the lower part of the grill cabinet 2. The cooked food placing tray 4 and the heat sink 18 are made of a material having high thermoelectric power, such as aluminum. The dish mounting tray 4 has a configuration in which the bottom surface is an uneven surface, the top surface is a flat surface, and the food 3 is placed on a flat portion.

The internal temperature detection means 7 for detecting the temperature in the grill cabinet 2 is constituted by a thermistor and can detect the internal temperature. In the present embodiment, the internal temperature detection means 7 is constituted by a thermistor, but a temperature detection element such as a platinum sensor or an infrared sensor may be used. The heating control means 11 is constituted by a relay connected between a commercial power source and a heater. In the present embodiment, the heating control means 11 is constituted by a relay, but a semiconductor switch such as a triac or a thyristor may be used. The control means 10 is constituted by a microcomputer, detects the temperature by the internal temperature detection means 7, and controls on / off of the upper heating means 5 and the lower heating means 6 according to the operation mode selected by the user by the operation unit 13. The output to be output is output to the heating control means 11. The control means 10 uses the time measured by the time measuring unit 12 to change the on / off ratio within a certain period (16 seconds in this embodiment), thereby changing the outputs of the upper heating means 5 and the lower heating means 6. Control. For example, when the output when the upper heating means 5 is on is 1800 W, in order to control the average power to 900 W, control is performed to turn on for 8 seconds and turn off the remaining 8 seconds. Further, the timer unit 12 starts to measure time based on the communication from the control unit 10 and communicates with the control unit 10. The control unit 10 controls the output to the heating control unit 11 based on information from the time measuring unit 12.

  In this embodiment, the watt of the upper heating means 5 is 1800 W. However, the watt of the heater needs to be changed according to the size of the interior and the heater shape, and is not limited to this.

  About the induction heating cooking appliance comprised as mentioned above, operation | movement and an effect | action are demonstrated using FIG.

  FIG. 2 shows the internal temperature, the cooked product temperature, and the output curve according to Embodiment 1 of the present invention.

  In FIG. 2, the curve 14 indicates the temperature detected by the internal temperature detection means 7 from the start of cooking, and the curve 15 indicates the temperature curve of the frozen food.

  When the refrigeration grill course is selected by the user in the operation unit 13, the control means 10 inputs temperature information of the internal temperature detection means 7. When the detected temperature of the internal temperature detecting means 7 detects that the food temperature converted by the food temperature converting means 20 is −5 ° C., the control means 10 controls the heating control means 11 to output the first predetermined input. To do. Note that the conversion formula is set in advance by data obtained by correlation in a test or the like. The first predetermined input is an output in which the temperature of the food quickly passes through −5 to 60 ° C. and the surface of the food is not baked, and depends on the content of the food and the size of the grill. Since it differs, it sets beforehand for every cooking thing by a test. Moreover, in the cooking device equipped with the load amount determination function of the food, settings corresponding to each load amount are required.

  When the temperature of the internal temperature detection means 7 reaches the first predetermined temperature T1, the control means 10 outputs to the time measuring unit 12 to start time measurement, and applies a second predetermined input to the heating control means 11. Output control is performed.

  The first predetermined temperature T1 is set in advance by a test or the like so that the internal temperature curve 15 of the food 3 becomes 60 ° C. when the first predetermined output is applied.

  The second predetermined input is a magnitude that does not burn the surface of the cooked food and increases the internal temperature of the cooked food 3, and is set smaller than the first predetermined input. In the present embodiment, when the first predetermined output when cooking 4 pieces of frozen salted salmon is 1800 W, the second predetermined output is 1300 W, T1 is 180 ° C., This is not limited to this because it varies greatly depending on the shape of the heater and the amount and content of the food.

  When the time counted by the time measuring unit reaches the first predetermined time t1, the control means 10 controls the output to apply a third predetermined input to the heating control means 11. As the first predetermined time, when the second predetermined input is applied, a time during which the cooking internal temperature 15 is 80 to 90 ° C. is set. In the present embodiment, when the second predetermined output when cooking 4 pieces of frozen salted salmon is 1300 W, the first predetermined time t1 is 540 s, but the size in the grill box 2, the shape of the heater, This is largely dependent on the amount of load and the content of the food, and is not limited to this, and is set for each food in advance by a test or the like. Moreover, in the cooking device equipped with the load amount determination function of the food, settings corresponding to each load amount are required.

  Further, the third predetermined input is set to a larger input value than the second predetermined input in order to color the surface of the food to be cooked and to burn the protein that has flowed to the surface by heating the frozen fish.

  When the time measured by the time measuring unit 12 reaches the second predetermined time t2 or when the temperature detected by the internal temperature detecting means 7 reaches the second predetermined temperature T2, the control means 10 The control means 11 is controlled to stop the heating output.

  The predetermined time t2 is burnt if it is too long, and is set beforehand by a test or the like.

  In this embodiment, when cooking 4 pieces of frozen salted salmon, the third predetermined input is 1800 W, t2 is 60 s, and the second predetermined temperature T2 is 210 ° C. This is not limited to this because it varies greatly depending on the shape and the load and content of the food.

  FIG. 3 is a perspective view of the dish mounting pan 4 according to Embodiment 1 of the present invention.

  In FIG. 3, the food 3 is placed on the food placing tray 4. The food placing tray 4 is formed of aluminum having high heat conductivity, and a heat sink 18 is mounted on the lower surface. By reducing the width between the convex portions of the heat sink 18 and increasing the number of the heat sinks 18, the heat radiation area becomes large and the concave area per one becomes small. Therefore, at the time of natural wind thawing in step 1-1 in FIG. It is easy to dissipate heat from the convex part of the heat sink 18, and after the heating and thawing process 1-2, heat is easily stored in the concave part, and energy can be used efficiently. In the natural thawing process 1-1, it is possible to increase the thawing speed by using a fan or the like and forcibly sending air to the heat sink 18.

  Moreover, by making it close to the glass plate, the heat radiated from the heat sink is easily stored in the recesses in the heating process after step 1-2 in FIG. 2, and it is possible to use energy for efficient heating. .

  FIG. 4 is a flowchart according to Embodiment 1 of the present invention.

  In FIG. 4, when the refrigeration grill course is selected by the operation unit 13 from the start of heating, the food temperature converted by the food temperature conversion means 20 from the temperature detected by the internal temperature detection means 7 in step 1. When the temperature reaches −5 ° C., the first predetermined output is applied to the heating control means.

(Embodiment 2)
FIG. 5 is a block diagram of the induction heating cooker according to the second embodiment of the present invention.

  Description of the same parts as those in the first embodiment will be omitted, and different parts will be described.

  When the refrigeration grill course of the operation unit 13 is selected, the control means 10 outputs to the fan 16 so that the air in the grill box is blown to the heat sink 18. As a result, the food can be thawed faster by supplying heat to the heat sink 18 from the contact surface than when the air is not blown. The wind shielding plate 17 can block the wind from the fan 16 to the food and prevent the food from drying. When the food temperature reaches -5 ° C, the fan 16 is output to stop. Thereby, it is possible to suppress the heat radiation of the heat sink 18 and the air in the recess in the heat sink, which is heated by the lower heating means 6.

  As described above, since the heating cooker according to the present invention cooks frozen food without using microwaves, the cooking device can also be applied to heating cookers not equipped with a microwave function.

DESCRIPTION OF SYMBOLS 1 Grill apparatus 2 Grill warehouse 3 Cooked food 4 Cooked food mounting tray 5 Upper heating means 6 Lower heating means 7 Inside temperature detection means 8 Grill door 9 Glass plate 10 Control means 11 Heating control means 12 Timekeeping part 13 Operation part 16 Fan 17 Windshield 18 Heat sink 20 Cooking temperature conversion means

Claims (4)

A main body constituting the outer shell, and a grill device for cooking food such as fish provided in the main body,
The grill device stores a detachable food placing plate for placing the food to which the heat sink is mounted, which is housed in a grill cabinet, and the heat sink is installed at a lower portion of the grill device. It is placed close to the glass plate, installed below the glass plate, and a lower heating means using an infrared heater that heats the cooked food from below, and the cooked food placed above the grill net An upper heating means for further heating, and an internal temperature detection means for detecting the temperature in the grill storage,
In the main body, a user selects an operation unit for selecting a cooking control mode, a control unit for selecting one of the cooking control modes based on a mode selection command input from the operation unit, and an output of the control unit. Originally provided with a heating control means for controlling the output of the upper heating means and the lower heating means,
Cooking sequence storage means for storing a cooking sequence according to the temperature condition of the food detected by the food temperature detecting means, and food temperature conversion for converting the food temperature from the temperature detected by the internal temperature detecting means. Means and a time measuring unit for measuring time,
The operation unit has a frozen grill course selection button for cooking the frozen food, and the control means is configured such that when the frozen fish grill course is selected, the temperature converted by the food temperature conversion means is substantially reduced. When it is detected that the temperature has reached −5 ° C., the heating control means presets the temperature of the food so that it quickly passes through −5 to 5 ° C. and the surface of the food is not baked. The first predetermined input is output to be applied to the lower heating means and the upper heating means, and when it is detected that the temperature converted by the food temperature conversion means has reached approximately 60 ° C., the timing is started. To the timer, and outputs a second predetermined input smaller than the first predetermined input to increase the internal temperature of the food without scorching the surface of the food, and timed by the timer Cooking time A heating cooker that performs output control so as to continue application of the second predetermined input to the heating control means until the first predetermined time set in advance is reached such that the internal temperature of the gas reaches 80 to 90 ° C. . When the control means detects that the time measured by the time measuring unit has reached the first predetermined time, the heating control means colors the surface of the food to be cooked, and the protein that has flowed to the surface due to the heating of the frozen fish. A third predetermined input larger than the second predetermined input, which is set to be baked, is output, and the time measured by the time measuring unit is set in advance so as not to cause scorching on the surface of the food. The heating cooker according to claim 1, wherein the application is controlled to continue the application until a predetermined time or a second predetermined temperature is reached. The heating cooker according to claim 1, further comprising a fan for blowing air in the glass plate and the heat sink, wherein the control unit activates the fan when the frozen fish grill course is selected. The cooking device according to claim 3, wherein the control means stops the fan when detecting that the temperature converted by the food temperature conversion means has reached approximately -5 ° C.