JPH0620003Y2 - microwave - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a microwave oven having a plurality of automatic cooking courses.

[Conventional technology]

Conventionally, in a microwave oven having an automatic cooking function, a selection key for automatic cooking, manual cooking and each course selection key for each of a plurality of automatic cooking courses are arranged on a control panel,
By selecting automatic cooking and operating each course selection key one by one, the course for automatic cooking is selected.

However, in such a microwave oven, since the number of course selection keys increases as the number of automatic cooking courses increases,
Not only the layout of the keys on the control panel tends to be unreasonable, the panel surface becomes complicated, but also the operation is complicated because it requires selection of automatic cooking and selection of the cooking course, and the cooking course is expanded and functions are enhanced When trying
There is a drawback that the operability deteriorates due to the increase in the number of keys, making it difficult to use.

In addition, there are some which improve the visibility by making a plurality of the above-mentioned course selection keys emit light by key operation, but in this case, a writing device of the size of the key is required for the number of keys, and the structure is complicated. And becomes expensive.

On the other hand, in Japanese Unexamined Patent Publication No. 58-86328 (F24C 7/08), a number of times of key operation is displayed on the display unit every time the cooking designation key provided on the operation panel is operated, and the number is displayed. A high-frequency heating device in which the type of cooking and the like can be designated by numbers is shown.

In the case of this device, you can select automatic cooking and cooking course only with the cooking designation key, so you do not need a complicated key arrangement,
Although the panel surface can be simplified, the cooking course designated by the cooking designation key is displayed only by the number on the display, so the user can compare the number and the correspondence table provided separately to cook the course. There is a drawback that it is difficult to specify the course, and since the display on the display is also used for other displays such as food weight and cooking time, the numerical display on the display is based on the selection of the cooking course. It is hard to tell if it is so, and it is very inconvenient for the user.

[Problems to be solved by the device]

The present invention has been made in view of the above problems of the conventional technique, and an object thereof is to select a single automatic selection key and a selection of its cooking course by operating a single selection key. The present invention intends to provide a microwave oven which can be easily understood and which can clearly show not only the type of the selected automatic cooking course but also that the automatic cooking course is being selected and is in operation.

[Means for Solving the Problems]

To achieve the above object, in the microwave oven of the present invention, the control panel has a single automatic cooking selection key for automatic cooking and cooking course selection for sequentially selecting a plurality of automatic cooking courses for each key operation, An automatic cooking course display section that displays the course name of each of the automatic cooking courses and that displays the selection of automatic cooking by illuminating the whole by key operation of the automatic cooking selection key, and of each of the course name displays on the display section And a plurality of light emitting elements which are arranged at respective positions and which indicate by lighting the course name display of the automatic cooking course selected by the automatic cooking selection key.

[Action]

For the microwave oven configured as described above, when the automatic cooking selection key on the control panel is operated, automatic cooking is selected and the entire automatic cooking course display section lights up. It can be seen at a glance that each automatic cooking course is sequentially selected for each key operation of the automatic cooking selection key, and the light emitting element in the course name display of the selected automatic cooking course of the display unit is lit up, You can see the selected automatic cooking course at a glance.

Therefore, the selection of the automatic cooking and the selection of the cooking course can be performed easily and simply by operating the single automatic cooking selection key. The light emission and lighting display continue even during execution of the selected automatic cooking course, and it is possible to see at a glance which automatic cooking course is currently being operated.

〔Example〕

 An embodiment of the present invention will be described with reference to the drawings.

First, FIG. 3 shows an external view of a microwave oven, (1) is a microwave oven main body, a heating chamber for storing food, a high frequency heating means for supplying high frequency to the heating chamber, a plurality of preset, for example, 12 types A microcomputer (microcomputer) that controls the driving of heating means for each automatic cooking course and executes automatic cooking is installed inside the main body (1), and the front opening of the heating chamber is closed by the door (2) so that it can be opened and closed. ing.

(3) is a control panel provided on the right side of the front surface of the main body (1), and as shown in FIG. 1, for example, a digital display section (5) equipped with a 4-digit display (4) and an automatic display Equipped with a single automatic cooking selection key (6) for selecting the cooking course and the cooking course and an output setting switch (7) for switching the high-frequency output to four steps of weak, medium, weak, medium and strong. Selector
(8), numeric keypad (9) and power control key (10),
Clear key (11), start key (12), stop key (13)
It is composed of a touch-type key operation unit (14) with function keys such as, and an automatic cooking course display unit (15). (16) is placed.

The automatic cooking selection key (6) is for sequentially selecting 12 types of automatic cooking courses for each key operation,
"REHEAT 1" of the 1st automatic cooking course is selected by one key operation, and the 2nd, 3rd, ... After selecting and selecting the 12th "hot dog" (HOTDOG) by 12 key operations, the 13th key operation will select the 1st automatic cooking course again, and so on. The automatic cooking course is sequentially selected for each key operation.

Further, on the automatic cooking course display portion (15), as shown in FIG. 2, a front plate (17) shining brightly by a light emitting means (not shown) driven by the key operation of the automatic cooking selection key (6). Are provided over the entire area of the display unit (15), and 12 course name displays (18) indicating the respective course names of the automatic cooking courses from 1 to 12 are printed on the front plate (17) by printing or the like. LEDs are formed as light emitting elements on the left side of each course name display (18) on the front plate (17) while being arranged in order in the vertical direction.
Front panel (17) with (light emitting diode) (19)
The light of indicates the selection of automatic cooking, and each LED (19) lights up the course name display (18) of the automatic cooking course selected by the automatic cooking selection key (6). .

FIG. 4 shows a control procedure of the microcomputer relating to the automatic cooking course. The operation of the embodiment will be described below with reference to FIG.

For example, when performing the third baked potato (BAKED POTATO) in the automatic cooking course, if you operate the automatic cooking selection key (6), the judgment of step and each will pass YES, and the count of the counter reset at step One is added to the value N (step), and through the steps, the light emitting means of the automatic cooking course display section (15) is driven, and the entire display section (15) emits light,
1st (= N) course name display (18) "REHEAT1" LED (19)
Only the lights are controlled.

The count value N of the counter and the number of the automatic cooking course have a correspondence relationship.

After that, returning to the step and waiting for the key operation, and when the second key operation of the automatic cooking selection key (6) is performed, the count value N of the counter is incremented to 2 in the step, and the second operation in the step is performed. Only the LED (19) of the course name display (18) "REHEAT2" is controlled to light,
Return to the step again.

Furthermore, when the third key operation of the automatic cooking selection key (6) is performed, the count value N of the counter becomes 3 and 3
Only the LED (19) of the second course name display (18) "BAKED POTATO" lights up, which means that the desired automatic cooking course is selected.

After the course is selected, when the start key (12) is operated, the step moves to step through step ,,,, and the cooking sequence of the baked potato which is the third automatic cooking course is set, and the cooking operation is started. Do (step).

Even in this operation mode, the light emission of the display unit (15) and the lighting of the third LED (19) are continued, and stop when the cooking is completed.

When the automatic cooking selection key (6) is operated 13 times, the step judgment is YES, so the count value N of the counter is set to 1 (step) and the LED of the first course name display (18) is displayed. Only (19) lights up.

Further, when the clear key (11) is operated during the key operation, the determination of the step becomes YES, so that the driving of the light emitting means of the display section (15) is stopped and the display section (15) emits light at the step. Is stopped, all LEDs (19) are controlled to be turned off, and then the process returns to the step and the count value N of the counter is reset.

Furthermore, if any key operation other than the automatic cooking selection key (6), clear key, and start key is performed, step,
Each judgment of NO becomes NO and shifts to other processing (step).

[Effect of device]

Since the present invention is configured as described above, it has the following effects.

A single automatic cooking selection key is used for both automatic cooking selection and its cooking course selection.You can select automatic cooking by the key operation of this selection key and select the cooking course according to the number of times of operation. Since it is not necessary to provide a key for each cooking and selection of the cooking course, the number of keys can be reduced and the panel configuration can be simplified, and the degree of freedom in panel design and design is increased.

By operating the automatic cooking selection key, the entire automatic cooking course display section can be illuminated to display the selection of automatic cooking, so that the selection of automatic cooking and the fact that it is in operation can be clearly displayed, which is convenient for use. Is convenient and, moreover, lights up the light emitting element provided for each course name display of the automatic cooking course display section according to the selected automatic cooking course,
Since the selected cooking courses can be displayed, the selected states can be checked at a glance, the number of key operations is reduced, and operability and usability are significantly improved.

In addition, since it is only necessary to dispose each light emitting element at the position of each course name display, there is an advantage that a small and inexpensive LED or the like can be used and can be formed inexpensively.

[Brief description of drawings]

The drawing shows one embodiment of a microwave oven according to the present invention. Fig. 1 is a front view of a control panel, Fig. 2 is a detailed front view of an automatic cooking course display portion, and Fig. 3 is an external perspective view of a microwave oven. FIG. 4 is a flowchart for explaining the operation. (3) …… Control panel, (6) …… Automatic cooking selection key, (18) …… Course name display, (19) …… LED.

Claims (1)

[Scope of utility model registration request] 1. A microwave oven comprising a control panel for selecting a plurality of automatic cooking courses, wherein a high-frequency heating means is controlled for each selected automatic cooking course to perform automatic cooking. A single automatic cooking selection key for automatic cooking and selection of a cooking course for sequentially selecting each automatic cooking course for each key operation, and a key name operation of the automatic cooking selection key provided with a course name display of each automatic cooking course By the whole, the automatic cooking course display section which emits light to display the selection of the automatic cooking, and the course name of the automatic cooking course which is arranged at the position of each course name display on the display section and which is selected by the automatic cooking selection key are selected. A microwave oven provided with a plurality of light emitting elements for indicating a display by lighting.