JPH043813A - Cooker - Google Patents

Abstract

PURPOSE:To effectively deodorize a heating chamber by operating first a grill heater at the time of deodorizing course setting, operating then an oven heater on the basis of the detected temperature, operating a grill heater if the oven heater stops in this oven heater operating process, and operating a ventilating means after the operation of heaters is ended. CONSTITUTION:A controller 16 drives a circulating means 12 by the operation of deodorizing key, judges whether the current detected temperature according to a temperature sensor 7 for grill heater is lower than the specified grill heater temperature, turns on a grill heater 6, and set the specified grill heater time (for example, 5 minutes) on a time To. When the timer To is 0, the grill heater is turned off, and an oven heater 9 is turned on. The specified oven heater time is set on the timer To. If the oven heater 9 is turned off during this operation, the grill heater is operated. When the timer To is 0, a ventilating means is operated and the heaters 6, 9 are turned off. This device can deodorize a heating chamber effectively.

Description

[Detailed description of the invention] (b) Industrial application fields The present invention relates to a cooking device that uses a heater to cook food.

(b. I) Conventional Japanese Patent Publication No. 59-29775 discloses a configuration for deodorizing the heating chamber of a cooking device that uses a heater to cook food.

Although a certain degree of deodorization can be achieved at this stage, it is preferable to obtain a deodorizing effect of the - layer.

(Problems to be Solved by the Hara Invention) The present invention has a structure that can perform both grill cooking and oven heating using a grill heater and an oven heater. It is intended to deodorize.

<2> Means for Solving the Problems The cooking device of the present invention includes a heating chamber in which food to be heated is placed, a grill heater for grilling the food, an oven heater for cooking the food in an oven, and an oven. It includes a heater temperature detection means, a deodorization course setting means, a ventilation means for ventilating the heating chamber, and a control means, and the control means first drives the grill heater when the deodorization course is set by the deodorization course setting means. a first means for controlling, and a second means for subsequently controlling the drive of the oven heater based on the temperature detected by the temperature detection means, and controlling the drive of the grill heater when the oven heater stops driving during this drive control; and a third means for driving and controlling the ventilation means after completion of the drive control by the second means.

(E) Operation When the deodorizing course is set by the deodorizing course setting means, the grill heater is first driven and the temperature in the heating chamber 11 rises rapidly. After that, the oven heater is driven and controlled based on the temperature detected by the oven heater temperature detection means, and during this drive control, when the oven heater stops driving, the grill heater is driven and controlled, and both heaters Deodorization is carried out quickly. Once this is completed, the heating chamber is ventilated by the ventilation means, increasing the effect of undressing.

f) Embodiment FIGS. 1 to 3 show the structure of a cooker according to an embodiment of the present invention. A door 3 and a keyboard 4 for opening and closing the front opening of a built-in heating chamber 2 are provided on the front surface of the cooking device main body 1.

A grill heater 6 for grilling the food placed in the heating chamber 2 is arranged on the outer surface of the upper wall 5 of the heating chamber 2, and a grill heater 6 for grilling the food placed in the heating chamber 2 is arranged near the grill heater 6. Temperature sensor 7 for grill heater to be used
ing. Further, on the outside of the rear wall 8 of the heating chamber 2, there is a circulation device 12 which is composed of an oven heater 9, a motor 10TjL, and a circulation fan II, and circulates the atmosphere heated by the oven heater 9 into the heating chamber 2. It is located. This circulation allows food to be cooked in a hot air oven.

An oven heater temperature sensor 13 used for temperature control during oven cooking is arranged near the fan 11. Furthermore, a magnetron 14 for microwave cooking of the food in the heating chamber 2 and a ventilation device 15 for ventilating the inside of the heating chamber 2 are provided.

FIG. 4 shows the circuit of the cooking device. A control section 16 consisting of a microcomputer is responsible for controlling the cooking device.
is provided. This control unit, -F keyboard 4
The cooking information from the sensor 7 and the temperature information detected by the sensors 7 and ]3 are input, and based on this input information, the heaters 6 and 9 are
and 7 Danetron] 4, the circulation system 12, and the ventilation system 15.

Therefore, in such a cooker, the keyboard 4
When the user operates the range key 4a, sets the cooking time, and operates the start key 4e, the control unit 16 drives and controls the magnetron 14 for the desired cooking time, thereby executing microwave cooking. Further, when the grill key 4b is operated and the cooking time and desired grill temperature are set, and the start key 4e is operated, the control unit 16 maintains the temperature detected by the grill heater temperature sensor 7 at the desired grill temperature during the desired cooking time. The grill heater 6 is controlled to turn on and off so that grill cooking is performed.

Further, when the oven key 4c is operated, the cooking time and desired oven temperature are set, and the start key 4e is operated, the control section 16 drives the circulation device 12 for the desired cooking time, and also operates the oven heater temperature sensor]3. The oven heater 9 is turned on and off so that the detected temperature is maintained at the desired oven temperature, and thus oven cooking is performed.

Now, when cooking is repeated many times, an unpleasant odor is generated from the heating chamber 2, so it is necessary to deodorize the inside of the heating chamber 2 without putting food into the heating chamber 2. In this case, as key operations on the keyboard 4, the deodorizing key 4d and the start key 4e may be operated in sequence. When such a key operation is performed, the control unit 16 performs deodorization control according to a deodorization program built into itself.

FIG. 5 shows the flow of such a deodorizing program, and the deodorizing side 911 will be explained below along the same chart.

First, the control unit 16 passes through steps S1 and S2, and then steps S3 to S3.
Execute the 7 steps in a circular manner. In S1 step 7, control unit 1
6 initializes itself, starts driving the circulation device 12 in step S2, and checks the current temperature t detected by the grill heater temperature sensor 7 in step S3.
, is below a predetermined grill heater temperature t6.

In step S4, the grill heater 6 is turned on, in step S5 it is determined whether flag F in the control section 16 is set, and in step S6, the timer T6 in the control section 16 is set for a predetermined grill heater time (for example, 5 minutes). is set and a countdown operation is performed using this timer T6. In step S7, it is determined whether or not the timer T6 has counted down to O.

During the circulation, the detected temperature 11 begins to rise due to the heat from the grill heater 6. And this detected temperature 1. When the grill heater temperature quickly exceeds the predetermined grill heater temperature t6, the control unit 16 cycles through S3, S8, and S5 to S7 of the steno 7. At this time, the 16 grill heater 6 is turned off at step S8, and the detected temperature t starts to decrease. When the detected temperature t becomes lower than the predetermined grill heater temperature t6 due to this decrease, the S3 to S7 staves are circulated again.

The control unit 16 drives and controls the 7-rill heater 6 in the manner described in 2 so that the detected temperature 11 is maintained at the predetermined grill heater temperature t6. This corresponds to drive control according to the first means of the present invention.

Then, when the timer Tc becomes O, the control section 16
Cyclic execution of 510 to 515 steps through 9 steps. In step S9, a flag F is set, and in step S10, the current temperature t2 detected by the oven heater temperature sensor 13 is the predetermined oven heater temperature t. Determine whether the following is true. In step 51.1, the grill heater 6 is turned off, in step 512, the oven heater 9 is turned on, and in step 513, the timer T in the control section 16 is turned on. A predetermined oven heater time (for example, 20 minutes) is set at , and a countdown operation is performed by this timer T0. This timer T is used in step 514. It is determined whether the countdown has reached 0 or not. 51
In step 5, it is determined whether the oven heater 9 is in the OFF state.

During the cycle of steps S) 0 to 515, the detected temperature t2 begins to rise due to the heat of the oven heater 9. This detected temperature t is a bright predetermined oven heater temperature t. If it exceeds 510.516, the control unit 16
~S Execute 15 steps. At this time, in step S16, the oven heater 9 is turned off, thereby achieving the above-mentioned detected temperature t.

begins to fall. When the lever is lowered, the control section 16
~S5, S10. S16, S] 3-515 steps or S3, S8, S5.510, S16, S 1.3-5
15 staves are circulated, and the grill heater 6 is driven and controlled as described above. Thereafter, when the detected temperature 12 becomes lower than the predetermined oven heater temperature 10, steps S10 to S515 are repeated.

In this way, the control unit 16 adjusts the detected temperature 12 to the predetermined oven heater temperature t. Oven heater 9
and when the oven heater 9 is turned off during this drive control, the grill heater 6 is drive-controlled. This corresponds to drive control by the second means of the present invention.

And the above-mentioned timer T. When becomes 0, the control unit 1G becomes 5
1.7 Execute Stenobu. In the same step, when the ventilation device 15 is activated, the heaters 6 and 9 are turned off. This 4′? ! The heating chamber 2 is heated by driving the air device 15.
ventilation inside. The control unit 16 then performs S18.51.
Execute 9 steps in a circular manner. In step 518, a timer T5 in the control unit 16 is set to a time (for example, 5 minutes) during a predetermined ventilation period, and the timer T performs a countdown operation. 5
In step 19, it is determined whether the timer T5 has counted down to 0 or not. When the timer T reaches O, the control unit 16 then executes step S20. In this step, the ventilation device 15 and circulation device 12 are stopped. Such ventilation control corresponds to the drive control according to the third means of the present invention.

When the deodorizing key 4d and start key 4e are sequentially operated to perform deodorizing, the grill heater 6 is first driven and the temperature in the heating chamber rises rapidly, and then the temperature detected by the oven heater temperature sensor 13 is 1. The drive of the oven heater 9 is controlled based on this drive control, and when the oven heater 9 is turned off during this drive control, the drive of the grill heater 6 is controlled, so that the interior of the heating chamber can be quickly deodorized under the high temperature conditions caused by both heaters. It will be done. When this is finished, the heating chamber is ventilated by the ventilation device 15, increasing the deodorizing effect.

(G) Effects of the Invention According to the present invention, in a configuration that has a grill heater and an oven heater and is capable of performing grill cooking and oven heater, the interior of the heating chamber is effectively deodorized using the grill heater and the oven heater. can, and furthermore,
This deodorization can be performed automatically by setting the deodorization course, and the operability related to deodorization is extremely good.

[Brief explanation of drawings]

The drawings relate to a cooking device according to an embodiment of the present invention, and FIG. 1 is a front view;
FIG. 2 is a front sectional view, FIG. 3 is a side sectional view, FIG. 4 is a block circuit diagram, and FIG. 5 is a flowchart of the deodorizing program. 2. Heating chamber, 4d Deodorizing key, 6 Grill heater, 9 Oven heater, 13 Temperature sensor for oven heater, 15 Ventilation device,] 6 Control unit.

Claims (1)

[Claims] (1) A heating chamber in which food to be heated is placed, a grill heater for grilling the food, an oven heater for oven cooking the food, an oven heater temperature detection means, a deodorization course setting means, and the above. It includes a ventilation means for ventilating the inside of the heating chamber, and a control means, and the control means includes first means for driving and controlling the grill heater when the deodorization course is set by the deodorization course setting means, and then a first means for controlling the drive of the grill heater, and then a first means for controlling the drive of the grill heater, and then a first means for controlling the operation of the grill heater. a second means for driving and controlling the oven heater based on the temperature, and driving and controlling the grill heater when the oven heater stops driving during this driving control; and a second means for driving and controlling the grill heater when the oven heater stops driving during this driving control; A cooking appliance characterized in that it has a third means for driving and controlling the means.