JPH0228047B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a space-saving configuration of a multi-cooking device such as a microwave oven or an oven, and to an expansion of the area of a mounting plate.

Conventional configurations and their problems Today, various appliances such as high-frequency heaters, electric ovens, toasters, gas stoves, and dish dryers have been introduced into ordinary homes, and while they have enriched our lives, they have also made the kitchen extremely It's narrow. Under these circumstances, a composite heater that combines a high-frequency heater and an electric oven has been developed, and its space-saving advantage has been accepted and its popularity is increasing. However, compared to a single-function heater with the same external dimensions, the combined heating control has a smaller volume of the heating chamber that stores the food, and only a small top plate can be used to place the food. This method has the disadvantage that the amount of food that can be prepared is limited. This is because the portion where the terminal of the electric heating device is drawn out from the heating chamber requires a structure that prevents leakage of radio waves.

On the other hand, when looking at the ability to increase the temperature in the heating chamber, which is an important performance of heating equipment, when using electric heating devices of the same capacity, the larger the volume of the heating chamber, the worse the ability to increase the temperature in the heating chamber. .

OBJECTS OF THE INVENTION The present invention has been made in order to eliminate the above-mentioned conventional drawbacks, and aims to increase the amount of food that can be cooked at one time and to improve the performance of increasing the temperature in the heating chamber.

Structure of the Invention In order to achieve the above object, the composite heating cooker of the present invention uses a large-area mounting plate by drawing only the portion of the wall facing the opening of the heating chamber into which the mounting plate will fit. Therefore, the increase in the number of heating chambers can be kept to the necessary minimum, and the performance of increasing the temperature within the heating chamber can be improved.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below based on the drawings.

In FIG. 1 showing a perspective view of the composite heating cooker of the present invention, a door body 2 for opening and closing an opening is provided on the front of a heating chamber 1, and a magnetron 3 and a power supply device 4 are provided on the right side of the heating chamber 1. installed.

In FIG. 2, the wall surface 5 of the heating chamber 1 facing the door body 2 is drawn to bulge by the dimension A. An electric heating device 6 is drawn out from the upper center of the wall surface 5 to the outside of the heating chamber, and a yoke 7 for preventing radio wave leakage is constructed at the drawn-out portion. Chiyoke 7
The B dimension is 1/4 of the radio wave wavelength λ, which is approximately 30 mm. Similarly, an electric heating device 6' is attached from the lower center of the wall surface 5, and a tea yoke 7' is constructed outside the heating chamber 1.

By having the above configuration, heating chamber 1
The top plate dimension D can be made larger by the bulge dimension A than the depth dimension C of the upper surface, lower surface, and left and right side surfaces that constitute the top surface.

Moreover, since only the portion that accommodates the mounting plate 9 bulges by the dimension A, the internal volume of the heating chamber 1 does not increase much. Therefore, the temperature rise in the heating chamber 1 is improved compared to a conventional heating cooker that uses an electric heating device of the same capacity and a mounting plate of the same size.

Furthermore, by configuring the electric heating device 6' to be drawn out of the heating chamber 1 from a portion other than the bulging portion,
Since the dimension in which the electric heating device 6' projects from the heating chamber 1 is the same as that of the conventional device, the external dimensions of the composite cooking device of the present invention can be realized with the same depth dimension as that of the conventional device.

In addition, since the C dimension of the heating chamber 1 is made small and the wall surface 5 is configured to bulge by the A dimension, when compared with a conventional heating chamber with the same mounting plate dimensions, the material constituting the heating chamber can be reduced.

Effects of the Invention As described above, according to the present invention, the following effects can be obtained.

(1) It is possible to increase the area of the mounting plate, allowing you to cook a large amount of food at once.

(2) Since the temperature in the heating chamber rises quickly, cooking time can be shortened and thermal efficiency can be improved.

(3) Since the external dimensions can remain the same as before, space saving, which is a major advantage of composite heaters, can be achieved.

(4) By reducing the materials used in the heating chamber, it is possible to reduce the weight, reduce the heat capacity, increase the temperature rise rate in the heating chamber, and reduce costs.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the appearance of a heating chamber of a composite heater according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the same heating chamber. 1... Heating chamber, 3... Magnetron, 4... Power supply device, 5... Wall surface, 6, 6'... Electric heating device, 7,
7'...Chiyoke, 9...Placement plate.

Claims (1)

[Scope of Claims] 1. A heating chamber for storing an object to be heated, a mounting plate for placing an object to be heated, a heating means for heating an object to be heated by high frequency, other heating means, and an opening of the heating chamber. A door body that opens and closes, and a bulging part is provided on the wall surface of the heating chamber facing the opening of the heating chamber, and a part of the above-mentioned placing plate enters the bulging part. Heating cooker. 2. Equipped with electric heating devices at the upper and lower parts of the heating chamber, and provided with a bulge on a part of the wall facing the opening of the electric heating chamber,
The terminal of the electric heating device provided at the upper part of the heating chamber is pulled out of the heating chamber from the bulge, and the terminal of the electric heating device provided at the lower part of the heating chamber is pulled out of the heating chamber from a part other than the bulge. The composite heating cooker according to claim 1, which is configured to be pulled out.