JPH0718552B2 - Cooking device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a cooking device such as a microwave oven.

(B) Prior Art In a general microwave oven, food is taken in and out of a heating chamber by opening and closing a door provided on the front side (see Japanese Utility Model Laid-Open No. 59-152595).

Regarding such a microwave oven, if you put it on the kitchen table with the wall of the kitchen as the back, you do not feel any inconvenience in use, but use it on the face-to-face kitchen table that has become popular in recent years. If you feel quite inconvenient. That is, in this case, since it can be turned to the back side of the microwave oven, it is convenient to be able to put food in and out from the back side of the microwave oven, but since the microwave oven described above cannot do this, I feel a lot of inconvenience. Also,
If the turntable is stopped immediately after heating, the position of the food placed on the turntable may be on the side away from the open door, and you have to put your hands in the heating chamber to take out the food. However, this is also very inconvenient.

(C) Problem to be Solved by the Invention The present invention is intended to provide a cooker with improved convenience of putting in and taking out food when it is placed on a facing cooktop and used.

(D) The problem to be solved by the invention The cooker of the present invention is opposed to a heating chamber in which food is placed, and heating energy supply means for supplying heating energy for heating the food in the heating chamber. First and second doors arranged to open and close the heating chamber, a rotatably arranged turntable for placing the food on the bottom of the heating chamber, and a rotation motor for rotating the turntable. A control means for controlling the heating energy supply means to perform heating cooking and for measuring an elapsed time from the start of the heating cooking, wherein the control means makes one rotation of the turntable after the completion of the heating cooking. The rotation motor is rotated until it becomes a natural multiple of the time, and at the time of taking out the food from the heating chamber, the opening operation is performed when the food is placed before the start of cooking. Alternatively, when the second or first door different from the second door is opened, the rotation motor is further rotated for 1/2 hour of the one rotation time.

(E) Action Since there are first and second doors facing each other, for example, when the cooker is placed on a facing type cooking table and used, food can be taken in and out through either door. Further, when the food is taken out, whichever the first door or the second door is opened, the food is moved to the opened door side by the rotation of the turntable, so that the food can be taken out easily.

(F) Embodiment FIGS. 1 to 3 show the structure of a microwave oven according to an embodiment of the present invention. The heating energy for heating the food 1 is supplied from the magnetron 3 into the heating chamber 2 in which the food 1 is placed, that is, microwave. The food 1 is rotated by a turntable 6 which is engaged and connected to an output shaft 5 of a synchronous motor 4 with a built-in reducer so as to be uniformly heated. And
The heating chamber 2 is provided with first and second doors 7 and 8 facing each other. These doors 7 and 8 have hinge structures at both lower ends and rotate in the directions of arrows A and B. Further, on the upper side of the first and second doors 7 and 8, first and second operation parts 9 and 10 for setting heating conditions and the like are arranged so as to face each other. In the space 11 sandwiched by 10 is installed the magnetron 3 and an infrared sensor 12 for detecting the temperature of the food 1.

If the first and second doors 7 and 8 facing each other are provided in this way, when the microwave oven is used in a face-to-face cooking table, the food 1 can be taken in and out with the first and second doors 7 and 8.
Can be carried out from any side of, for example, the first door 7 on the cooking side is opened to put food, and after heating, the second door on the table side is heated.
The door 8 can be opened and taken out, which is convenient. Further, regarding the setting of the heating conditions and the like, the first and second operation portions 9 and 10 facing each other are provided, and therefore the convenience is similarly good.

FIG. 4 shows the circuit of the microwave oven. A microcomputer 13 is provided as a control unit that controls the microwave oven. The computer includes first and second operation units 9 and 10 for setting heating conditions, the infrared sensor 12, and first and second doors that respond to the first and second doors 7 and 8. Various desired signals are input from the switches 14 and 15 to control the drive of the magnetron 3 and the synchronous motor 4.

FIG. 5 shows the flow of the control program of the microcomputer 13, and the operation of the microwave oven will be described in detail below with reference to FIG.

Step S1 is executed according to the power supply to the microwave oven, one of the first and second doors 7 and 8 is opened, and the food 1 is placed on the turntable 6 in the heating chamber 2. Such a closing operation of the door is performed, and thereafter, the heating condition is set in any one of the first and second operation sections 9 and 10 and the state of waiting for the operation of the start key is entered.

Thus, when performing microwave heating, the food 1 is placed on the turntable 6 in the heating chamber 2 in accordance with the operation of the first or second door 7 or 8, and the first or second operation unit is used. When the desired heating temperature is set with 9 and 10 and the start key is operated, step S2 is executed, the magnetron 3 is driven to start microwave heating, and the synchronous motor 4 is driven to rotate the turntable 6. Then the food 1 starts to rotate. Further, in step S2, time counting of the elapsed time from the start of heating is started. In the subsequent S3 step, it is waited for the current temperature of the food 1 detected by the infrared sensor 12 to reach the desired heating temperature. When the heating progresses and the detected food temperature reaches the desired heating temperature, step S4 is executed, the driving of the magnetron 3 is stopped, and the microwave heating is completed.

When the heating is completed in this manner, step S5 is then executed to determine whether the elapsed time from the start of heating is a natural number multiple of one rotation time of the turntable 6.
Here, the synchronous motor 4 has a characteristic that the rotation speed becomes constant when the commercial power frequency applied is constant, and the one rotation time for one rotation of the turntable 6 becomes constant. Now, assuming that the commercial power supply frequency is 60 Hz, the one rotation time of the turntable 6 becomes a constant value of 10 seconds.

When it is determined in the step S5 that the elapsed time from the start of heating is a natural number multiple of the one rotation time of the turntable 6, the step S6 is subsequently executed. In this step, the drive of the synchronous motor 4 is stopped and the turntable 6 stops rotating. Further, the elapsed time measurement that has been performed so far is stopped, and the elapsed time thus measured is cleared.

In the situation where the rotation of the turntable 6 is stopped at the time when one rotation time is multiplied by a natural number as described above, the position of the food 1 placed on the turntable 6 in the heating chamber 2 is the end of heating. Sometimes the same, so food 1
Is arranged on the turntable 6 which is easy to arrange and which is close to the door side of the first and second doors 7 and 8 where the opening operation is performed, the takeout can be easily performed from the same door side. .

When it is determined in step S5 that the elapsed time from the start of heating is not a natural multiple of the one rotation time of the turntable 6, it is awaited to be determined to be a natural multiple. .

After the turntable 6 is stopped as described above,
The S7 step is executed. In the step, either one of the first and second doors 7 and 8 is opened to take out the food 1, and the first or second door switch 14 or
Wait for 15 to turn off. When one of the doors is opened and the first or second door switch 14, 15 is turned off, step S8 is subsequently executed. In the same step, whether or not the same door as the door that was opened when the food 1 was placed was opened is determined based on whether or not the door switch corresponding to the door is turned off.

In this case, if the same door is opened, the food 1 can be easily taken out from the same door side as described above. After that, step S1 is executed again so as to correspond to the next heating.

on the other hand. When it is determined in the above step S8 that another door has been opened, step S9 is executed. In the same step, the synchronous motor 4 is driven again and the turntable 6 starts to rotate again. In the subsequent S10 step, it is determined whether or not half of the one rotation time has elapsed and the turntable 6 has further half rotated. Then, when it is determined that half a rotation has occurred, in the next step S11,
The synchronous motor 4 is stopped again and the turntable 6 is stopped again. If another door is opened here,
Since the food 1 approaches the door side, it can be easily taken out from this door side. After the step S11, the step S1 is executed to cope with the next heating as described above.

If any of the doors 7 and 8 are opened before the heating is finished, when the doors are the same door as described above, another door is opened based on the passage of a natural multiple of one rotation time. At that time, the turntable 6 stops rotating after a further 1/2 rotation time has elapsed.

(G) Effect of the Invention According to the present invention, since the first and second doors that face each other are present, the convenience of putting food in and out when the cooker is used in a face-to-face cooktop is significantly improved. It is possible to improve and provide a convenient cooking device.

[Brief description of drawings]

1 is an external perspective view, FIG. 2 is a side sectional view, FIG. 3 is a plan sectional view, FIG. 4 is a circuit diagram, and FIG. 5 is a control program. It is a flow chart. 2 ... Heating room, 3 ... Magnetron, 7 ... First door,
8 …… Second door.

Continuation of the front page (56) References Open 52-106152 (JP, U) Open 52-168358 (JP, U) Open 57-137906 (JP, U)

Claims (1)

[Claims] 1. A heating chamber in which food is placed, a heating energy supply means for supplying heating energy for heating the food in the heating chamber, and the heating chamber is arranged so as to face each other and opens and closes the heating chamber. First and second doors, a turntable that rotatably arranges the food on the bottom of the heating chamber, and a rotation motor that rotates the turntable,
A heating means for controlling the heating energy supply means to perform heating and cooking, and a control means for measuring an elapsed time from the start of the cooking, wherein the control means has the elapsed time after the completion of the cooking for one rotation time of the turntable. While rotating the rotary motor until it becomes a natural number multiple of the above, the above-mentioned different from the above-mentioned first or second door that was opened when the food was placed before the start of cooking when taking out the food from the heating chamber. A cooker characterized by further rotating the rotation motor for 1/2 hour of the one rotation time when the second or first door is opened.