JPS63150527A - Cooker - Google Patents

Abstract

PURPOSE:To prevent the adhesion of oil to the rear wall of an inner casing and to self-purify an oil content adhered to a side wall part, by a method wherein an inner plate part on which a self-purifying layer is formed is mounted in a superposed manner to the inner side wall surface of an inner casing, and the rear edge of a cooking tray is situated in a level higher than that of the other edge part. CONSTITUTION:A cooker is provided with an inner casing 32 wherein an opening is formed at its front and heaters 34a and 34b are mounted to form a cooking chamber 30, while a door 37 having an opening, and a grill 39, are moved in and out in conjunction with the door 37. In the cooker, a cooking tray 40, which has an edge part around the whole periphery and a rear edge 40a erected further upward than the other edge, is placed on the grill 39. An inner plate member 41 is superposed and fixedly mounted to right and left side walls 31 by means of its claw part in a manner that a self-purifying layer is faced inside. As the selfpurifying layer, a substance, where a catalyst and diluent are added to, for example, phosphate inorganic heat resistant paint serving as base paint, is used.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a heating cooker used in general households for heating toast, pizza, frozen foods, and the like.

2. Description of the Related Art Conventionally, in this type of heating cooker, upper and lower heaters 3 and 4 are suspended from a side wall 2 forming the side of a cooking chamber 1 having an opening, as shown in FIG. It was common to provide a grill 6 and place the cooking plate 6 in an R position on the grill.

In addition to the basic configuration mentioned above,
As shown in FIGS. 7 to 10 of the publication, both side walls and a back wall of the inner box 3 forming the roasting chamber 5.

A self-cleaning layer with self-cleaning ability is applied to the inner surface of each ceiling wall, and reflective plates 16, 16 are attached to and detachable from these inner walls.
．． 17 was designed to be mounted overlappingly.

Problems to be Solved by the Invention In such a conventional configuration, in the case of the configuration shown in FIG. 6, the entire periphery of the cooking plate prevents liquids such as juices and moisture from cooking from leaking out of the cooking plate. In order to prevent cooked food from flying out of the mouth when putting in and out of cooking plates, a green part of a certain height has a flange part, and is used for cooking fish and meat, cooking cooked foods in oil, heating cooked frozen foods, etc. When cooking, the oil contained in the cooked food scatters from the cooking plate due to heating, adheres to the inner wall of the cooking chamber, is oxidized and polymerized, and becomes black and sticky, which stains the inner wall of the cooking chamber and reduces thermal efficiency. This leads to uneven toasting and corrosion when roasting toast, and at the same time, the whole body becomes very unsightly due to the dirt, which makes it difficult to clean and reduces cleanliness.

In addition, in the case of Utility Model Application Publication No. 67-10332, the self-cleaning layer is applied to all the inner walls, and the reflective plates are superimposed on all the inner walls, so the production cost is extremely high, and the reflective plates are also attached at the same time. There is a risk of misuse of cooking with oil while
There was a hassle of attaching and detaching the reflector.

The present invention aims to solve the above-mentioned problems and to provide an inexpensive heating cooker that can be used for a wide range of cooking with less soiling of the cooker.

Means for Solving the Problems In order to solve the above problems, the present invention provides an inner cylindrical body that has an opening at the front and is provided with a heater to form a cooking chamber, and an inner cylinder that opens and closes the opening. A door, a grill that moves in and out in conjunction with the door, and a cooking plate that is placed on the grill, and an inner plate portion having a self-cleaning layer formed on the side inner wall surface of the inner cylinder body is attached by polymerization. At the same time, the rear edge of the cooking plate is located higher than other edges.

Function In the above configuration, oil that scatters from the cooking plate to the rear wall of the inner cylinder body is prevented from adhering to the rear wall of the inner cylinder body, and oil that scatters to the side wall of the varus body is prevented from adhering to the inner plate provided with a self-cleaning layer. The material decomposes into water, carbon dioxide, ethylene gas, and methane gas and self-purifies.

Example Embodiments of the present invention will be described below based on the drawings.

In FIGS. 1 to 4, 30 is a cooking chamber, 31 is a left side wall of an inner cylindrical body 32, which has an approximately shaped rear wall 31a, and 31b.
is the right side wall, which is made of a metal with excellent reflective effects such as aluminum-treated steel plate. Reference numeral 33 denotes a reflecting plate, which forms an inner cylindrical body 32 whose front portion is open as a whole. Reference numeral 34 denotes a ceramic heater 34 which is held through the left and right side walls 31° 31b near its ends, and includes an upper heater 34a and a lower heater 34b.
It is equipped with and is used for heating the inside of the cooking cabinet. A bottom plate 36 and a waste tray 36 are arranged from the bottom, and a door body 37 is rotatably provided at the opening of the inner cylinder body 32, and the upper and lower heaters 34a
, 34b, a frame body 38 places a gridiron 39 in conjunction with the opening and closing of the door body 37.

A cooking plate 40 having edges around the entire periphery and having a rear edge 40a erected above the other edges is placed on the grill. In this embodiment, the rear edge 40a is as close to the reflector 3 as possible.
3, and is made of metal such as stainless steel, aluminum, and aluminized steel plate.

41 is the left and right side walls 31° 31b with the self-cleaning layer inside.
This is an inner plate member that is superimposed and locked with a claw portion 42. In this embodiment, it is provided above the grid surface.

This self-cleaning layer is made of a phosphate-based inorganic heat-resistant paint as a paste paint, to which a catalyst and a diluent are added.

In this embodiment, the i-toast function, oil cooking function, production cost, etc. were modified, and a film thickness of 100 μm to 160 μm was applied to one side of a thin aluminum-treated steel plate with a thickness of about 0.3 M.

Note that the inner plate member 41 has an extremely small size (approximately 0
, 5I@~31s) is provided, and the inner cylindrical body 3
The self-cleaning layer is kept at a constant distance from the left and right side walls 31, 31b and rear wall 31a of 2. An auxiliary heater 44 is provided on the outer surface of the right side wall 31b, in which a heating wire is wound around an insulating substrate, insulating plates are laminated on the upper and lower sides, and these metal plates are fixed with a seam plate 43. Seam plate 43I'
The i end is provided with a claw part and an insertion locking piece, and the right side wall 3
It is inserted into the engagement hole and the claw hole provided in 1b, bent, and tightly fixed to the right side wall 31b. Also cooking room 3
There is a control room 45 on the side of the o, and a heating control switch 46 and a timer 47 are provided at the front of the control room 45 in the upper part. 48 is an outer casing that covers the inner cylindrical body 32;
9. Side plate 50. It consists of a bottom plate 35, and a carrying handle 61 is provided on the side plate 50, and legs 62 are provided at the bottom of the bottom plate 36.

In the above configuration, to explain the drowsiness wiring method, the upper heater 34a arranged in the cooking chamber 3Q is connected in series with the auxiliary heating heater 44 and the diode 63 for half-wave rectification, and the diode 53 and the auxiliary heating A switch 4 that electrically short-circuits both ends of each of the heaters 44
6 contact portions 54 and 66 are connected. This entire electric circuit and the lower heater 34b are connected to a power source via a timer 47 in a parallel circuit. In addition, the auxiliary heating heater 44
The power should be selected by considering the heat balance between the upper and lower heaters in the toast function, oil-cooked food heating function, and pizza function.In the example, the toast function has an upper heater of 550W and a lower heater of 430W. , about 56 W has been obtained as the optimum experimental value. In the above-mentioned electric circuit, the heating power is set at 916 W for heating the oil-cooked food and 705 W for the pizza function in the embodiment.

The above is the overall configuration of the present invention, and the operation will be explained below. First, in the toast function, the switch 46
When the contact portions 54 and 55 are closed by the operation, the upper and lower heaters 34a and 34b are heated, and the toast on the grill 39 in the cooking chamber 30 is heated almost evenly on both sides.

In the case of the pizza function, the heating power of the upper heater 34a is halved to achieve an appropriate degree of cooking. Place the cooking saucer 4o on the grill 39, and operate the switch 46 to open the contact portion 56.
is closed and the contact portion 64 is opened, the upper heater 34a
The electric power is half-wave rectified by the function of the diode and reduced by half, and appropriate heat is supplied from above and below to food such as pizza in the cooking chamber 30. In the case of the heating function for oil-cooked foods, when the fried food is cooked with just the right amount of heat so that the surface of the batter is crispy, the food is sufficiently heated to stay hot, and the underside is also crispy. It is necessary to set the firepower to minimize the amount of splatter on the internal walls. In order to satisfy this requirement, it was necessary to lower the electric power than the heating power of the upper heater 34a during the toast function.

Place the grill 3 with the rear edge 40a of the cooking plate 40 facing the rear wall 31a.
9, close the contact portion 54 and open the contact portion 65 by operating the switch 46, and the upper heater 3
4a and the auxiliary heating heater 44 are configured in series, and the power is reduced to the upper heater 34a, and the food is heated to the upper and lower heaters.
4a and 34b for proper heating. At this time, the oil that scatters from the top of the cooking plate toward the rear wall 31a adheres to the rear edge 40a of the cooking plate 40, thereby preventing the rear wall 3ia from becoming dirty.

By preventing dirt on the rear wall 31a, the reflective effect of the rear wall surface, which greatly affects toast unevenness during toast roasting, is ensured. At the same time, by installing the rear edge 40a, it is possible to eliminate the need for an expensive self-cleaning device 1 on the rear wall surface, thereby reducing costs.

It should be noted that cleaning the Jod cooking plate can be done relatively easily by taking it out of the body. Further, the oil scattered toward the left and right side walls 31, 31b is self-purified by the self-cleaning layer of the inner plate member 41.

Effects of the Invention As is clear from the above embodiments, the present invention provides a method in which a heating heater is installed, an inner plate member having a self-cleaning layer on the side inner wall surface is provided in the inner cylinder of the cooking chamber, and the inner plate member is placed on the grill. By providing a cooking plate with an upright rear edge, the rear edge of the cooking plate prevents oil from scattering toward the rear wall, ensuring a reflective effect on the rear wall surface during toast roasting, and The purification function of the self-cleaning layer of the inner plate material breaks down the oil that scatters onto the side inner wall into water, carbon dioxide, ethylene gas, and methane gas, reducing the amount of dirt on the body.Toast function, pizza function, oil cooking. The objective is to realize an inexpensive heating cooker that satisfies various functions at the same time.

[Brief explanation of the drawing]

FIG. 1 is a side sectional view of an embodiment of the present invention, FIG. 2 is an overall perspective view of the present invention, FIG. 3 is a perspective view of the inner cylinder body, FIG. 4 is a perspective view of the inner plate member, and FIG. 6 is an electric circuit diagram, FIG. 6 is a front perspective view of a conventional electric cooker, FIG. 7 is a front perspective view of the same conventional electric cooker, and FIG. 8 is a side sectional view of the same electric cooker. FIG. 9 and FIG. 10 are sectional views of the main parts of the electric cooker. 32... Inner cylinder body, 37... Door body, 39...
...Grilling grid, 4o...Cooking saucer, 41...
...Inner plate member. Figure 4 2-n style 34
---- Heeda

Claims (1)

[Claims] An inner casing having an opening in the front and a cooking chamber provided with a heater, a door that opens and closes the opening, a grill that moves in and out in conjunction with the door, and a grill that is placed on the grill. The cooking dish is characterized in that an inner plate member having a self-cleaning layer formed thereon is superimposed on the side inner wall surface of the inner casing, and the rear edge of the cooking dish is disposed higher than other edges. A heating cooker.