JPH1073258A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent condensation of steam in a cooker by a method wherein a means to heat a food and a heating chamber to contain the food heating means and have airtightness and a hole through which steam generated during heating is introduced to the outside of the heating chamber is formed in the upper surface of the heating chamber. SOLUTION: A heating chamber 14 is formed in a manner to provide airtightness and transmit heat to a food with high efficiency by a door 1, a reflection plate 3, a frame 6, a bottom 7, and a top plate 12. Further, a heat insulation material 4 and a heat insulation material 5 are arranged so that an upper surface is prevented from being heated. Steam generated from a food when a food contained in the heating chamber 14 is heated by a heater 2 arrives to the upper parts of a reflection plate 3 and a top plate 12 through a gap between parts and a screw hole. Further, the steam passes a gap between the heat insulation plate 4 and the heat insulation plate 5 through a hole 9 formed in the heat insulation plate 4 and is exhausted through a hole 16 formed in a rear part. The position of the hole 9 is situated not right above the heater 2 but slightly inner side than a position right above.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking device, and more particularly to a cooking device that generates steam in a heating chamber and electrically controls a heating device.

[0002]

2. Description of the Related Art FIG. 6 is a perspective view for explaining the structure of a conventional microwave oven.

[0003] A reflector 3 for reflecting heat is provided above the heater 2. Above the reflector 3 and the top plate 12 forming the upper surface of the heating chamber 14, a heat insulating plate 4 and a heat insulating material are provided. 16
Are provided.

FIGS. 7 and 8 are views for explaining the flow of steam in a heating chamber 14 of a conventional microwave oven.
FIG. 7 is a cross-sectional view of a conventional microwave oven cut by a plane parallel to a side surface, and FIG. 8 is a cross-sectional view of a conventional microwave oven cut by a plane parallel to a front surface. In these figures, arrows indicate the flow of steam.

[0005] The heating chamber 14 is airtight by the door 1, the reflector 3, the frame 6, the bottom surface 7, the top plate 12, and the like. Further, a heat insulating plate 4 and a heat insulating material 16 are provided so that the upper surface of the microwave oven is not heated.

[0008] As shown in FIG. 8, when food stored in the heating cabinet 14 is heated by the heater 2, steam such as water vapor is generated from the food. Such steam passes through the punching hole 8 formed in the top plate 12 and reaches the upper part of the heating chamber 14.

[0007]

Among the steam generated from the food, a heater terminal 10 for connecting the heater 2 and an electric circuit for controlling the heater 2 through a gap between the heater 2 and the heater supporter 13 or the like. Some things condense in. Water vapor (condensed vapor) condensed at the heater terminal 10 causes insulation failure of the heater terminal 10. These insulation defects may cause a short circuit, and dew condensation of water vapor at the heater terminals 10 and the like is extremely dangerous.

In such a conventional microwave oven, heat flows excessively when the steam flows in a direction parallel to the heater 2.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a cooking device capable of preventing condensation of steam in the cooking device.

Another object of the present invention is to provide a heating cooker that can prevent condensation of steam in the cooker while preventing excessive release of heat required for heating food.

[0011]

The invention according to claim 1 is a heating cooker for heating and cooking food.

This heating cooker comprises a heating means for heating the food, an airtight heating chamber for accommodating the food, and a steam generated by the heating means in the heating chamber, which is guided out of the heating chamber. A hole formed in the upper surface of the heating chamber.

According to the first aspect of the invention, the steam generated by heating the food is guided to the outside of the heating chamber. This prevents condensation of steam in the cooker.

According to a second aspect of the present invention, there is provided the first aspect of the present invention, wherein the hole is provided at a position other than directly above the heating means.

According to the second aspect of the present invention, the steam generated by heating the food is guided to the outside of the heating chamber through a hole in the upper surface of the heating chamber provided at a position other than immediately above the heating means. Is done. This prevents condensation of steam in the cooker while preventing excessive release of heat.

According to a third aspect of the present invention, in the first aspect of the present invention, the heating means has a rod shape, and a leakage preventing means for preventing leakage of steam from the heating chamber in a direction parallel to the heating means. Contains.

According to the third aspect of the present invention, the steam generated by heating the food is guided outside the heating chamber while preventing the steam from leaking in a direction parallel to the heating means. This prevents condensation of steam in the cooker while preventing excessive release of heat.

[0018]

FIG. 1 shows a first embodiment of the present invention.
It is a figure which shows the external appearance of the microwave oven which is one. FIG.
(A) is a front view of the microwave oven, and FIG.
FIG. 1B is a side view of the microwave oven, and FIG.
(C) is a top view of the present microwave oven.

FIG. 2 is a perspective view for explaining the structure of the microwave oven. A reflection plate 3 for reflecting heat is provided on an upper portion of the heater 2.
The heat insulating plate 4 and the heat insulating plate 5 are provided above the top plate 12 forming the upper surface of the heat insulating plate 4.

Further, the heat insulating plate 4 is provided with a hole 9 through which steam generated in the heating chamber 14 passes, and the heat insulating plate 5 is provided with a guide pusher 11 for guiding the steam. The guide pusher 11 is a concave portion at a lower portion of the heat insulating plate 5, and is tightly attached to an end of the heat insulating plate 4, thereby preventing the steam from flowing out to the side.

FIGS. 3, 4 and 5 are diagrams for explaining the flow of steam in the heating chamber 14 of the microwave oven. FIG. 3 is a cross-sectional view of the microwave oven cut along a plane parallel to the side surface, and FIG. 4 is a cross-sectional view of the microwave oven cut along a plane parallel to the front. FIG. 5 is a cross-sectional view of the present microwave oven cut along a plane parallel to the upper surface. In these figures, as in the conventional example, arrows indicate the flow of steam.

The heating cabinet 14 is airtight by the door 1, the reflecting plate 3, the frame 6, the bottom surface 7, the top plate 12 and the like, and is configured to efficiently transmit heat to food. . Further, a heat insulating plate 4 and a heat insulating plate 5 are provided so that the upper surface of the microwave oven is not heated.

As shown in FIG. 3, when the food stored in the heating chamber 14 is heated by the heater 2, steam such as water vapor is generated from the food. Such steam passes through the punching hole 8 formed in the top plate 12 and reaches the upper part of the heating chamber 14.

In the present microwave oven, the steam generated from the food in this way reaches the upper portions of the reflection plate 3 and the top plate 12 through gaps between parts, screw holes and the like. Further, such steam passes through a gap between the heat insulating plate 4 and the heat insulating plate 5 through a hole 9 provided in the heat insulating plate 4 and is exhausted from a hole 16 formed in the rear part. Here, the position of the hole 9 provided in the heat insulating plate 4 is not directly above the heater 2 but rather slightly above the heater 2,
As a result, excessive outflow of heat from the heater 2 is prevented.

Further, when the steam passes through the gap between the heat insulating plate 4 and the heat insulating plate 5, the steam is prevented from flowing out from the side portion by the guide pusher 11.

In the above-mentioned microwave oven, the steam is guided to the hole 4 provided in the heat insulating plate 4, the gap between the heat insulating plate 4 and the heat insulating plate 5, the rear portion of the cooker and exhausted from the hole 16 in the rear portion. In addition, steam does not flow to the side due to the guide pusher 11. These prevent the steam from being condensed in the cooker while preventing excessive release of heat.

[Brief description of the drawings]

FIG. 1 is a diagram showing the appearance of a microwave oven as one embodiment of the present invention.

FIG. 2 is a perspective view for explaining the structure of the present microwave oven.

FIG. 3 is a diagram for explaining a flow of steam in a heating chamber 14 of the microwave oven.

FIG. 4 is a diagram for explaining a flow of steam in a heating chamber 14 of the microwave oven.

FIG. 5 is a diagram for explaining a flow of steam in a heating chamber 14 of the microwave oven.

FIG. 6 is a perspective view illustrating the structure of a conventional microwave oven.

FIG. 7 is a diagram for explaining a flow of steam in a heating chamber 14 of a conventional microwave oven.

FIG. 8 is a view for explaining a flow of steam in a heating chamber 14 of a conventional microwave oven.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door 2 Heater 3 Reflection plate 4 Insulation plate 5 Insulation plate 6 Frame 7 Bottom surface 8 Punching hole 9 Hole 10 Heater terminal 11 Guide pusher 12 Top plate 13 Heater supporter 14 Heating chamber 15 Heat insulation material

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[Procedure amendment]

[Submission date] September 2, 1996

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 2

FIG. 3

FIG. 4

FIG. 5

FIG. 6

FIG. 8

FIG. 7

Claims (3)

[Claims] 1. A heating cooker for heating and cooking food, comprising: heating means for heating the food; an airtight heating chamber for containing the food; and heating by the heating means in the heating chamber. And a hole formed in the upper surface of the heating chamber for guiding the steam generated at the time of the heating chamber to the outside of the heating chamber. 2. The cooking device according to claim 1, wherein the hole is provided at a position other than immediately above the heating means. 3. The heating cooker according to claim 1, wherein the heating means has a rod shape, and includes a leakage prevention means for preventing leakage of steam from the heating chamber in a direction parallel to the heating means.