JP2740078B2 - Cooking equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking apparatus for heating an object to be cooked.

[0002]

2. Description of the Related Art Conventionally, a heating means for heating an object to be cooked, a cooking start switch for instructing a start of heating, a cooking chamber into which the object to be cooked is placed, a door attached to an opening of the cooking chamber, 2. Description of the Related Art There is known a cooking apparatus that includes a controller that operates a heating unit in a plurality of heating stages when a start of cooking is instructed. Specifically, for example, when the thawing of the object to be cooked is instructed with the cooking selection switch and the cooking start switch is operated, the thawing of the object to be cooked is performed in three heating stages that sequentially switch from strong heating to weak heating. .

[0003]

In the conventional cooking apparatus described above, for example, when the thawing is performed by gradually reducing the heating capacity of the heating means to three steps of "strong to medium to weak", the object to be cooked is firmly frozen. If this is done, the file may not be completely decompressed even after the decompression process ends. In this case, if the cooking start switch is pressed again to perform thawing, the heating means operates "strong" and the object to be cooked is overheated, so that the thawing operation fails. Then, in order to solve the above-mentioned problem, the present inventor has
When the door was opened after all three heating stages were completed, a cooking device was set up that could set a timer to perform additional heating for a predetermined time at the "low" final heating stage until the door was closed. However, after activating the heating means,
Many users close the door immediately after checking the cooking state (for example, the thawing state) of the object to be cooked, and the cooking device described above has a new problem that if the timer is closed without setting the timer, additional heating cannot be performed. A defect was found.

[0004] It is an object of the present invention to check the cooking state of an object to be cooked after the completion of a plurality of heating stages and, when cooking of the object to be cooked is incomplete, to perform additional follow-up heating and to provide excellent usability. It is in providing a cooking device.

[0005]

In order to solve the above-mentioned problems,
The present invention provides a heating means for heating an object to be cooked, a cooking start switch for instructing a start of heating of the heating means, a cooking chamber into which the object to be cooked enters, and an openable / closable door attached to an opening of the cooking chamber. And a controller that activates the heating means in a plurality of heating stages in which a heating amount and a heating time are set based on the food when the cooking start switch instructs the start of heating. a door sensor for detecting opening and closing of the the heating stage of the heating means is the door sensor after completed detects that the closing the door is opened and a timer which starts clocking, heating time setting pressurized heat time setting and means provided, to set the pressurizing heat time the heating time setting means before timeout of the timer, and instructs the start of heating in the cooking start switch, wherein the controller, final heating stays In the heating amount during the pressurized heat set time, it adopts the configuration in which the chase heating.

[0006]

When the object to be cooked is put into the cooking cabinet, the door is closed and the cooking start switch is operated, the controller controls the heating amount and the heating time in a plurality of heating stages for each stage based on the cooking object. Activate the means. After all the heating stages of the heating means are completed, the user opens the door to check the cooking state of the object to be cooked, and when the door is closed, the timer starts counting time. If cooking is incomplete, before timeout of the timer, the user sets the pressurized heat time heating time setting means, and instructs the start of heating with cooking start switch, controller, heating amount of the final heating stage in, during the pressurized heating time, it performs chase heating.

[0007]

After the end of the plurality of heating stages according to the present invention, when cooking the food to check the cooking status of the food is incomplete, the heating of the final heating stage, and at the appropriate pressure heat time Since the additional heating is performed, the object to be cooked is not overheated, and the cooking can be completely completed. Since the cooking state of the object to be cooked is checked, and the door is closed before the additional heating time is set, the additional heating can be performed reliably and the usability is excellent.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. The composite cooker R includes a cooking cabinet 1 provided in a box-shaped housing 100 and a magnetron 2 serving as a heating unit.
A cooking start switch 3 for instructing the start of heating, a door 4 attached to the opening of the cooking cabinet 1, a door sensor 5 for detecting opening and closing of the door 4, a timer 6, and a heating time for setting a heating time. A setting unit 7 and a controller 8 are provided.

[0009] The cooking cabinet 1 is provided with a plate 11 on which the object to be cooked is placed.
1 and 112, and a turntable 113 on which an object to be cooked is placed and rotated by a motor (not shown). Gas burner 2 arranged below housing 100 outside cooking cabinet 1
1 includes a gas circuit 210 having solenoid valves 211, 212, and 213 connected in the case of "oven" cooking or "combi" cooking.
The gas is supplied via the combustion fan 22, and combustion air is supplied by the combustion fan 22 to burn. In addition, this gas burner 21
It is ignited by the sparker 23. Reference numeral 114 denotes a weight sensor for detecting the weight of the food placed on the turntable 113; 115, a flame sensor for detecting the combustion flame of the gas burner 21; and 116, the temperature of the hot air discharged from the cooking cabinet 1. A temperature sensor 117, a humidity sensor 117 for detecting the humidity of exhaust gas, a circulation fan 118 for circulating hot air, and an exhaust pipe 119, are provided.

A magnetron 2 arranged at the rear of the housing 100 outside the cooking cabinet 1 is a magnet tube for generating microwaves of several GHz with high output.

A cooking start switch 3 arranged on an operation panel surface 101 located on the front of the housing 100 is a switch for instructing a start of heating of the gas burner 21 and the magnetron 2, and a key of a cooking selection switch 9 described later is pressed. When the cooking time and the temperature in the cooking chamber 1 are set and then pressed, hot air circulation and heating by the gas burner 21 and the magnetron 2 are started.

The cooking selection switch 9 is constituted by four panel-type keys capable of selecting “oven” cooking, “microwave cooking”, “microwave cooking”, and “combi” cooking. Is disposed on the operation panel surface 101 located at the position. When the "oven" key used for cooking prawns such as thermidor or teacup steam is pressed, the gas burner 21 is set in a combustible state. 1 to heat the object to be cooked at a high speed. When you press the "microwave oven strength" key used for preparing beef stew,
The high frequency output of the magnetron 2 is set to 500W.
The "microwave low" key is used when thawing the frozen food, and when pressed, the high frequency output of the magnetron 2 is initially set to 300W. When a "combi" key used for cooking roast chicken or the like is pressed, the gas burner 21 is set in a combustible state, and the high frequency output of the magnetron 2 is set to 1200 W.

The door 4 is attached to the front opening of the cooking cabinet 1 and can be opened and closed freely. Further, the door 4 is provided with a door sensor 5 for detecting whether the door 4 is open or closed.

In this embodiment, the timer 6 incorporated in the controller 8 starts timing when the door sensor 5 detects that the door 4 is opened and closed after all the heating stages of the magnetron 2 are completed.

The heating time setting section 7 sets the heating time of the object to be cooked. The setting is made by a set (for increasing or decreasing time) provided on the operation panel surface 101 located on the front surface of the housing 100. Use the panel keys.

The controller 8 receives outputs from the cooking selection switch 9, the heating time setting section 7, the temperature setting section 81, the temperature sensor 116, the humidity sensor 117, the weight sensor 114, the flame sensor 115, and the door sensor 5. , Solenoid valves 211, 21
2, 213, the combustion fan 22, the circulation fan 118, the sparker 23, the magnetron 2, and the display 82 are controlled. A setting signal is input to the temperature setting unit 81 from a set of key switches for temperature setting (for temperature rise / fall). The key switch is provided on the operation panel surface 101 on the front surface of the housing 100, and can set the temperature in the cooking cabinet 1 in a range of 60 ° C. to 300 ° C. (predetermined temperature intervals) so as to match the cooking content. Further, the controller 8, by selecting a decompression mode in the cooking selection switch 9, the first, second, heating time T ₁ of the third stage, T _2, T ₃ and high-frequency output Po
(Heating amount) is set to the following value, and when the cooking start switch 3 is pressed, the magnetron 2 is activated based on the above stage.

When the weight G of the object to be cooked is 200 g or less, the total heating time T (T ₁ + T ₂ + T ₃ ) is set to 1.4 G seconds. When the weight G of the object to be cooked exceeds 200 g, the total heating time T (T ₁ + T ₂ + T ₃ ) is set to 0.83 G + 11.
4 seconds. First stage heating time T ₁ (1/8)
× T. The high frequency output Po is 300 W (constant). The heating time T ₂ of the second stage is (2/8) × T. The high frequency output Po is 200 W (constant).
The third stage heating time T ₃ is (5/8) × T.
The high frequency output Po is 100 W (constant).

Next, the operation of the composite cooking device R by the controller 8 will be described with reference to the flowchart of FIG. In step S1, it is determined whether or not the decompression mode has been selected. If the decompression mode has been selected (Yes), the process proceeds to step S2. In step S2, it is determined whether or not the cooking start switch 3 has been pressed, and if pressed (Yes), the process proceeds to step S3.
In step S3, the first stage described above is executed, and the process proceeds to step S4. In step S4, the above-described second stage is executed, and the process proceeds to step S5. In step S5, the above-described third stage is executed, and the process proceeds to step S6. In step S6, the controller 8 displays the completion of decompression on the display 82. In step S7, the user opens the door 4, and the door sensor 5 detects the door opening state. When the door 4 is opened,
Decompression end display disappears. In step S8, the user
Is closed, and the door sensor 5 detects the closed state. In addition, between step S7 and step S8, the user checks the thawing state of the object to be cooked. In step S9, the timer 6 starts measuring time, and proceeds to step S10. In step S10, it is determined whether or not the additional heating time is set by the heating time setting unit 7, and the user sets the additional heating time (Ye).
If s), the process proceeds to step S11. If the additional heating time is not set (No), the process proceeds to step S13. In step S11, it is determined whether or not the cooking start switch 3 has been pressed, and if pressed (Yes), the process proceeds to step S12. In step S12, the magnetron 2 is operated for the set additional heating time at the above-described third stage heating amount, and after the operation is stopped, the display 82 displays the end of thawing. In step S13, it is determined whether or not the timer 6 has timed out (the setting is one minute), and the time is up (Ye
In the case of s), the completion of decompression is displayed on the display 82, and if the time is not up (No), the process returns to the step S10.

The composite cooker R of this embodiment has the following advantages. (A) When the third stage is completed and the thawing is completed is displayed on the display 82, the user opens the door 4 to check the thawing state of the object to be cooked and finds that the thawing state is incomplete. Before the door 4 is closed and the timer 6 times out (within 1 minute)
When the additional heating time is set and the cooking start switch 3 is pressed, the object to be cooked is heated by the magnetron 2 with the high-frequency output Po of 100 W (the same output as the third stage) and the set additional heating time. For this reason, at the time of additional heating, the object to be cooked can be completely thawed without being overheated. (I) Check the thawing state of the object to be cooked. If the thawing state is incomplete, the heating time setting unit 7 sets the time between when the door 4 is closed and when the timer 6 times out (within 1 minute). Since the configuration is such that the additional heating time is set, problems such as those of the prototype described above do not occur, the additional heating can be performed reliably, and the usability is excellent. (U) The total heating time T (T
₁ + T ₂ + T ₃ ), and the first stage heating time T ₁
If so the heating time T ₂ of the second stage has a predetermined ratio between the heating time T ₃ of the third stage, when the third stage is completed, be thawing state of the food is incomplete Few.

The present invention includes the following embodiments in addition to the above embodiment. a. In the above-described embodiment, the case where the object to be cooked is thawed has been described. However, if a structure for heating the object to be cooked in a plurality of heating stages is provided, the structure of the present invention may be adopted for normal heating cooking. . b. In the above embodiment, the heating stage having three stages is shown, but the heating stage may have any number of stages. c. The set time of the timer is set to 1 minute in the above-described embodiment. However, if the additional heating time can be set with a margin and the time range (for example, 15 seconds to 3 minutes) is not hindered for the next cooking, it may be appropriately determined. good.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of a composite cooker according to one embodiment of the present invention.

FIG. 2 is a block diagram of the composite cooking device.

FIG. 3 is a flowchart showing the operation of the combined cooking device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cooking storage 2 Magnetron (heating means) 3 Cooking start switch 4 Door 5 Door sensor 6 Timer 7 Heating time setting part (heating time setting means) 8 Controller R Composite cooker (cooking device)

Claims (1)

(57) [Claims] 1. A heating means for heating an object to be heated, a cooking start switch for instructing a start of heating of the heating means, a cooking chamber into which an object to be cooked enters, and an openable / closable attached to an opening of the cooking chamber. A cooking apparatus comprising: a door; and a controller that operates the heating unit at a plurality of heating stages in which a heating amount and a heating time are set based on the food when the cooking start switch instructs a heating start. A door sensor that detects opening and closing of the door, and a timer that starts timing when the door sensor detects that the door is opened and closed after all the heating stages of the heating unit are completed ,
And heating time setting means for setting the pressure heat time provided, at the heating time setting means before timeout of the timer
Set the pressurized heat time, and instructs the start of heating in the cooking start switch, wherein the controller is a heating of the final heating stage, during the pressurized heat set time, characterized in that performing chase cooking apparatus.