JPH0124486Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Technical Field> The present invention relates to the structure of an operation key box installed on an operation panel of a microwave oven.

<Prior Art> Fig. 1 is an external perspective view showing a conventional microwave oven, in which an operation panel 4 is installed on the right side of a door 1, on which a heating key 2, other cooking menu setting keys 3, etc. are arranged. It is set up.

By the way, even in a microwave oven, the CPU,
There are many models in production that are equipped with a microcomputer consisting of RAM, ROM, etc., and cooking is done automatically according to the heating sequence stored in the microcomputer, so the number of menus that can be cooked increases dramatically. It has been difficult to perform sufficient heating control only by operating the keys provided on the operation panel 4, such as restrictions on the type and number of setting keys provided on the panel 4.

<Purpose> The present invention was made in view of the above points, and aims to efficiently increase the number of cooking menu setting keys etc. installed on the operation panel and to provide a microwave oven with excellent operability. shall be.

<Structure> In order to achieve the above-mentioned object, the present invention is characterized in that an operation key box provided on a part of the operation panel of the microwave oven is detachably attached.

<Example> Hereinafter, an example of the present invention will be described based on the drawings.

FIG. 2 is a perspective view of essential parts of an operation panel according to an embodiment of the present invention, and FIG. 3 is a sectional view of an operation key box attached to the operation panel according to an embodiment of the present invention.

In the figure, reference numeral 5 denotes an operation key box that is detachably attached to the operation panel 4. For example, six cooking menu setting keys 6 are arranged on the front side (side A), and the back side shown in FIG. Six cooking menu setting keys 7 are arranged on the side (B side). Reference numeral 8 denotes an operation key box take-out key for pushing out the operation key box 5 to the front side, and is used when operating keys by changing the positions of the front and back surfaces of the operation key box 5, respectively. 9 is a control circuit board disposed inside the operation panel 4, and 10 is a switch disposed opposite to the cooking menu setting keys 6 and 7. Reference numeral 11 denotes a protrusion formed on one end edge of the back side (side B) of the operation key box 5, and is provided to operate a switch 12 disposed on the control circuit board 9.

Next, to briefly explain the operation of the embodiment of the present invention having the above configuration, the user first inserts the operation key box 5 so that the front side (side A) of the operation key box 5 faces the operation panel 4. Then, the switch 12 is pressed by the tip of the protrusion 11 of the operation key box 5, indicating that the front side of the operation key box 5 has been properly attached.
Thereafter, heating can be started by placing the food to be cooked in the heating chamber, pressing the cooking menu setting key 6, and then pressing the heating key 2. Now, if the cooking menu setting key that is needed is on the front side of the operation key box 5 (A
If it is not on the front side), press the box eject key 8 on the operation panel 4 to push the operation key box 5 to the front side, then turn the operation key box 5 over so that the back side (side B) is the same as the operation panel 4 side. Insert it into the operation panel 4 again so that
By selectively pressing the cooking menu setting keys 7 arranged on the back side, cooking corresponding to the cooking menu setting keys 7 arranged on the back side (side B) of the operation key box 5 is performed. can be done. Therefore, since the cooking menu setting keys 6 and 7 on both the front and back sides of the operation key box 5 can be used, it is possible to execute approximately twice as many cooking sequences, and the number of cooking menus is greatly increased. be able to.

<Effects> As explained above, the present invention has a removable operation key box on the operation panel of the microwave oven, and cooking menu setting keys are installed on both the front and back sides of the operation key box. Since the number of cooking menu setting keys can be almost doubled, the size of the operation panel can be made smaller than before, making it practical to set a wide variety of cooking menus despite the compact microwave oven. It is of high value.

[Brief explanation of the drawing]

Fig. 1 is an external perspective view showing a conventional microwave oven, Fig. 2 is a perspective view of main parts showing an operation panel according to an embodiment of the present invention, and Fig. 3 is an operation key box showing an embodiment of the present invention. FIG. 2... Heating key, 4... Operation panel, 5... Operation key box, 6, 7... Cooking menu setting key, 8... Operation key box take-out key, 9...
Control circuit board, 10... switch.

Claims (1)

[Scope of utility model registration request] A microwave oven characterized in that an operation panel of the microwave oven is provided with a detachable operation key box, and cooking menu setting keys are provided on both the front and back surfaces of the operation key box.