JP2003325359A - Electric cooking plate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To successfully perform a cooking in a recessed part when using a cooking plate having the recessed parts in place of the other cooking board by obtaining a suitable setting condition and heating condition differed from the other cooking board. <P>SOLUTION: In the cooking plate 3 for performing a cooking in recessed parts 3b arranged in a cooking plate part 3a, a protruding part 21 for adjusting the difference in mounting height of the cooking plate part 3b on a heater 2 from a cooking board 4 having no recessed part 3b is provided on the reverse side of the cooking plate part 3a. The cooking plate 3 is placed on the heater 2 through the protruding part 21 to support the cooking plate part 3b in a prescribed height differed from in the other cooking board 4, and the heating from the heater 2 is received through the protruding part 21. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric cooking plate for heating a cooking plate with a heater for cooking a pottery.

[0002]

2. Description of the Related Art An electric cooking board of this type, which heats and cooks in recesses arranged in a cooking plate, is disclosed in, for example, Japanese Unexamined Patent Application Publication No. 20-29200.
No. 01-37649. This is a groove-shaped heater provided with inner ribs along the rising base of the bulging portion on the back surface of the cooking plate of the concave portion and outer ribs parallel to the outer side of the inner ribs. A passage is formed, and this groove-shaped heater passage is fitted to the heater to support the cooking plate so that it can be attached to and detached from the heater, and it is annularly continuous along the contour of the bulges of the recesses arranged in series. In the area surrounded by the inner ribs, ribs extending from the inner ribs and having a lattice shape are formed on the back surface of the bulging portion of each recess. Exceptionally also for the array of bulges of the outermost recesses, grid-like ribs extending from the outer ribs adjacent thereto are formed.

According to this, the heat from the heater fitted in the heater passage is transmitted to each grid-like rib through the ribs parallel to the inside and outside, and further to each recess, and the food to be cooked is put into the recess. It is said that it also acts to prevent the temperature from falling.

[0004]

On the other hand, with the widespread use of such electric cooking plates, the present inventors have been able to perform various types of heating and cooking according to the type of cooking plate to be used while exchanging a plurality of cooking plates. Although it is popular to do so, it is said that it is delicious that the inside is juicy and the outside is crispy and even when performing heating cooking such as takoyaki in the recesses arranged on the cooking plate We are conducting studies on various types of cooking on the cooking plate that we have, while continuing to study.

As a result, it has been found that there is a large difference in the appropriate mounting height from the heater of the cooking plate portion depending on the type of cooking plate, such as a cooking plate having a concave portion and a cooking plate having no concave portion. In particular, those having a recess are different from those not having a recess.

Based on such new knowledge, an object of the present invention is to use a cooking plate having a recess by exchanging it with another cooking plate, which is suitable for installation conditions and heating different from those of other cooking plates. An object of the present invention is to provide an electric cooking board capable of successfully performing heating and cooking in a concave portion under certain conditions.

[0007]

In order to achieve the above object, the electric cooking plate of the present invention is mounted on a heater provided in an outer case so that a plurality of cooking plates can be exchanged. In an electric cooker that heats and cooks in a manner commensurate with each cooker, a cooker that does not have such a recess on the back side of the cooker plate of the cooker that performs heat cooking in the recesses arranged in the cooker plate Is provided with a convex portion for adjusting the difference in the mounting height of the cooking plate portion on the heater, and the convex plate allows the cooking plate to be placed on the heater so that the cooking plate portion has a predetermined height different from other cooking plates. The main characteristic is that it is supported by the heater and is heated by the heater through the convex portion.

In such a structure, the cooking plate having the concave portions arranged in the cooking plate is placed on the heater by the convex portion formed on the back surface of the cooking plate, so that the cooking plate is heated by the heater. Unlike flat plates and corrugated plates that are placed directly on the plate, it is placed so that only the convex part is located above the heater, and the cooking plate part of the cooking plate has a concave part depending on the height of the convex part. Placement conditions and heating conditions from the heater suitable for the type can be obtained. As a result, it is possible to successfully achieve heating cooking such as takoyaki with a cooking plate having a recess, adapting to the fact that the placement conditions and heating conditions are different from those of other types of cooking plates to be used in exchange. it can.

In a further configuration in which the convex portions are located between and apart from the bulging portions of the concave portions on the back surface of the cooking plate portion, in a further configuration, heat from the heater is conducted to the cooking plate portion through the convex portions, and then at various places. Although it conducts heat to the concave portion of the heater, the heat conduction distance from the heater to the concave portion does not cause an overheated state, and moreover, heat is radiated to the convex portion and the cooking plate as much as that amount, and in particular, the cooking plate portion It is easy to make the recesses on the back surface of the recesses bulge and to uniformly heat the recesses. For this reason, it is possible to bake it evenly and evenly while finishing the inside juicy with moderate heating, and it is possible to successfully and deliciously cook takoyaki without burning, insufficient heating, uneven heating.

In a further structure in which the convex portion engages with the heater to prevent displacement of the cooking plate, in a further structure, the mounting structure on the heater by the convex portion is used to connect the heater to the heater. Positioning with respect to the heater can be performed only by providing the above engagement, and the proper placement and proper heating on the heater can be reliably achieved.

In a further structure in which the convex portion has a convex stripe, it is easy to sufficiently support and heat the cooking plate by the heater.

The protrusion extends in a meandering manner between the positions where the bulges of the recess are arranged, and a dividing portion is partially provided, and the heater supporting member is located in the dividing portion. Has a continuous ridge that is advantageous for supporting and heating, but has a dividing portion, so that there is no hindrance to the supporting and heating, and there is no obstruction to the support by the heater support. can get.

In a further configuration in which the dividing portion is located at a position corresponding to the bulging portion of the concave portion and the adjacent portion of the bulging portion, the constricted portion formed adjacent to the bulging portions of the concave portion is effective as a space for arranging the heater support. Can be used.
As a result, it is possible to avoid an increase in the size of the cooking plate or the like due to the arrangement of the heater support.

The outer case and the cooking plate are circular in plan view, and the heater is curved in an open U-shape in plan view and is connected to a terminal facing the one side of the outer case from the U-shaped back of the heater. And a power supply control tool for controlling power supply to the heater, and the recess is biased on a side of the cooking plate opposite to the power supply control tool. In a further configuration, the outer case and the cooking plate are both flat. By being circular,
You can participate in cooking and removing food from any direction without any direction. Further, since the heater is curved in an open U-shape and can be positioned meanderingly between the rows of the recesses arranged in five rows, it is easy to uniformly heat the entire recesses. In addition, in the heater having such a shape, the power feeding control tool is connected to the terminal facing the side of the outer case from the white U-shaped back portion to receive power feeding control, but the recess is the power feeding control tool of the cooking plate portion. Since the heater is located on the side opposite to, the terminal part of the heater on the opposite eccentric side does not generate heat, but the recessed part is arranged avoiding this range, so the recessed part on the terminal part side is underheated. It is easy to prevent the occurrence of heat and ensure uniform heating. Further, even when the power supply control tool is connected to the terminal portion, there is no problem in bringing it to the side of the cooking plate, so that the amount of the power supply control tool protruding from the outer case to the outside can be suppressed to be small as necessary.

Further objects and features of the present invention will become apparent from the following detailed description and drawings. The respective features of the present invention can be employed alone or in combination in various combinations as much as possible.

[0016]

Embodiments of the electric cooking board according to the present invention will now be described in detail with reference to the drawings for the understanding of the present invention. The following description relates to specific examples of the present invention, and does not limit the scope of claims.

The electric cooking board of this embodiment has a heater provided in an outer case 1 made of synthetic resin (for example, PP) as shown in FIGS. 1 to 4 and 5 and 6. This is an example of a case of an electric cooking board which is mounted on the table 2 so that a plurality of cooking boards 3 and 4 can be exchanged and heated to perform heating and cooking corresponding to the cooking boards 3 and 4. Inside the outer case 1, the heat shield plate 5
Through the metal heat shield fitting 6 made of steel plate
It is fixedly provided by. The cooking plates 3 and 4 are made of a metal such as an aluminum alloy (for example, ADC12), and the cooking plate 3 has a large number of recesses 3b formed in the cooking plate portion 3a as shown by the solid lines in FIGS. Then, cook by heating such as takoyaki. For takoyaki, the recess 3b is hemispherical as shown in FIGS. 1 and 2, and a dome-shaped bulge 3c is formed on the back surface of the cooking plate 3a. The cooking plate 4 is of various types such as the cooking plate 3 which does not have a recessed portion.
The phantom line shown in FIGS. 1 and 2 has a flat cooking plate portion 4a, and is mainly used for grilling grilled meat, fried vegetables, okonomiyaki, and yakisoba. However, it may be a cooking plate exclusively for roasted meat with irregularities or a ceramic plate for grilling ceramic plates. The heater 2 is a filament heater which is a sheath heater, and is supported and attached at several positions so as to be sandwiched between the forks by a support fitting 8 as shown in FIGS. 1 and 4. Of course, the heater 2 and the heat shield plate 5 can be supported together with the cooking plates 3 and 4 so that they can be attached and detached as needed, and can be convenient for washing the whole and other maintenance.

As shown in FIGS. 1 and 4, the heater 2 has a pair of terminals 2a facing the inside of a connection port 11 provided on one side of the outer case 1 and is inserted into the connection port 11 from the outside. Power supply control tool 12 is connected, and this power supply control tool 12
ON / OFF operation and temperature control are performed by.
For this reason, the power supply control tool 12 has a power cord 13, an operation knob 14 for performing on / off operations and temperature setting, and a heat sensitive rod 15 for sensing the temperature of the cooking plates 3, 4. The heat-sensitive rod 15 detects the temperatures of the cooking plates 3 and 4 mounted on the heater 2 from above and presses the cooking plates 3 and 4 as temperature information for energization control to maintain the set cooking temperature. The connection port 11 is laterally fitted to a part of the outer peripheral portion of the outer case 1 and attached by a screw 16.

The outer case 1 and the heat shield plate 5 are the heater 2
Also, the outer circumference of the cooking plates 3 and 4 placed on the outer case 1 is enclosed except for the upper part to provide thermal protection to a receiving surface such as a table on which the outer case 1 is placed and a user, and to protect the heater 2 and the like from external force. The heater 2 extends inward from the pair of terminals 2a, and the heat generating portion excluding the base portion is bent into an open U-shape in plan view, and has an outer case 1 which is circular in plan view, a heat shield plate 5, and a cooking plate 3 , 4 as shown in FIGS. 1 and 4.

The outer case 1 has a guard wall 1b which is folded downward outward from the upper end of the peripheral wall 1a, and the guard wall 1b has a uniform downward grip portion 17 at any position in the circumferential direction.
It also functions as, and corresponds to being processed, cooked, or eaten from any direction in a circular shape in a plan view.

However, the present invention is not limited to this, and the materials and shapes of the outer case 1, the heat shield plate 5, and the cooking plates 3 and 4, the fitting structure, the number and shape of the heaters 2, and the contact heating. Basically, there is no particular limitation on the specific structure such as non-contact heating and the relational structure between the connection port 11 and the terminal 2a of the heater 2 and the power feeding control tool 12.

In the example shown in FIGS. 1 to 4 of this embodiment, in particular, such a case is formed on the back surface of the cooking plate portion 3a of the cooking plate 3 for heating cooking in the concave portions 3b arranged in the cooking plate portion 3a. As shown in FIGS. 2 to 4, which adjusts the difference in the mounting height of the cooking plate portion 3a on the heater 2 from the cooking plate 4 having no concave portion 3b, a convex portion 21 protruding downward is provided. The cooking plate 3 is placed on the heater 2 by the part 21 to support the cooking plate part 3a at a predetermined height different from other cooking plates 4 and the like.
The heating from the heater 2 is performed via the convex portion 21. For this reason, the convex portion 21 is integrally formed with the cooking plate 3, and the flat surface 2 as shown in FIG.
b and 21b are in close contact with each other. However,
Other shapes may be used as long as they can fit closely. The convex portion 21
The flat surface 21b of the heater 2 has substantially the same width as the flat surface 2b of the heater 2.

As described above, the cooking plate 3 in which the concave portions 3b are arranged in the cooking plate portion 3a is placed on the heater 2 by the convex portion 21 formed on the back surface of the cooking plate portion 3a.
Unlike the flat plate such as the cooking plate 4 in which the cooking plate portion 3a is placed directly on the heater 2 or the corrugated plate (not shown), the heater 2 is raised by the height H shown in FIG. It is placed so that it is located at. Thereby, the convex portion 21
Depending on the height H of the cooking plate part 3, the cooking plate part 3a of the cooking plate 3 can be placed under a suitable condition for the type having the recess 3b and the heating condition from the heater 2. As a result, it is possible to successfully perform cooking such as takoyaki with the cooking plate 3 having the recessed portion 3b in accordance with the fact that the placing condition and the heating condition are different from those of other types of cooking plate 4 to be used in exchange. Can be achieved. As shown in FIGS. 1 and 2, the cooking plates 3 and 4 are heaters 2.
When the handle portions 31 and 41 provided like flanges on the outer circumference are at the same height position and the same outer circumference position, the same clue as the upper end of the outer case 1 is satisfied and the common clue is placed. It has a gap S. As a result, work and handling at the time of attachment and detachment are common, and there is no difference in usability. In addition, a step 42 is provided on the rim of the cooking plate 4 so that the lid can be fitted and used.

More specifically, even if the flat cooking plate portion 4a of the cooking plate 4 is in direct contact with the heater 2 having the above-mentioned shape, the heat is evenly conducted to almost the entire area of the cooking plate portion 4a, and cooking is performed. Uniform heating and cooking can be performed over almost the entire area of the plate portion 4a. But,
In the cooking plate portion 3a having the concave portion 3b of the cooking plate 3, the heater 2
When it comes into direct contact with, the heat is strong in the opening of the recess 3b,
It may be transmitted weakly to the bottom, and uniform heating and cooking may not be performed in the entire area of the recess 3b. In addition, this is recessed 3b
If it is attempted to conduct heat evenly over the entire area, it is necessary to form a three-dimensional shape that is complicated and has a large volume as in the above-mentioned conventional example, which makes the whole heavy and difficult to handle. Moreover, the material cost becomes expensive and expensive. Moreover, even if it does so, the uneven heating cannot be eliminated.

However, as described above, the convex portion 21 is formed on the cooking plate 3
Since the cooking plate portion 3a of the above is floated above the heater 2 by the height H, the heat conduction distance to the concave portion 3b becomes longer and the strong conduction to the opening portion of the concave portion 3b is mitigated, and this conduction is mitigated. The heat radiation under the cooking plate portion 3a including the convex portion 21 is increased by the amount of the heat generated, and the heat radiation from the heater 2 is also added to the concave portion 3b.
The action of positively heating the radiant heat from the outer circumference of the bulge portion 3c is produced. As a result, it is possible to heat and cook the takoyaki material or the like evenly and relatively strongly in the substantially entire recess 3b. As a result, the inside can be baked evenly while maintaining a juicy interior with moderate heating, and the takoyaki can be successfully and deliciously baked without burning, lack of heating, or uneven heating.

Moreover, as shown in FIG. 2, the heater 2 is located slightly below the intermediate height position of the recess 3b, and the recess 3b
The heat shield plate 5 is located at a position as close to the heater 2 as the cooking plate part 3a to the heater 2 and assists the heating near the bottom part where the heat of the plate is hard to reach, and includes the convex portion 21. Since the heat from the cooking plate 3a and the heater 2 is kept in the narrow space 22 behind the bulge 3c of the recess 3b, the heating efficiency and uniform heating can be further improved.

Further, as shown in FIGS. 2 and 4, the convex portion 21 is located between the bulging portions 3c of the concave portion 3b and apart from them, whereby a uniform heating function from the outer circumference of the bulging portion 3c is provided. Increase. However, since the opening side of the concave portion 3b has a longer peripheral length than the bottom side, it tends to be difficult to raise the temperature by uniform heating from the surroundings. Therefore, as shown in the examples of FIGS. When the heating is adjusted by integrally forming the auxiliary rib 23 as a bridge that extends toward the opening-side peripheral surface of the bulge 3c of the recess 3b and conducts heat, the heating uniformity in the entire recess 3b can be further improved, which is preferable. Is.

The convex portion 21 is further shown in FIGS.
As shown in FIG. 5, for example, a bifurcated engaging portion 21 for engaging the heater 2 and preventing the displacement of the cooking plate 3
have a. As a result, the heater 2 by the convex portion 21
It is possible to perform positioning with respect to the heater 2 only by providing the engaging structure with the heater 2 by utilizing the mounting structure on the heater 2, and the proper mounting and proper heating on the heater 2 are surely achieved. The engaging portions 21a are provided at four positions shown in FIG. 3, but the position and the number thereof may be any as long as the cooking plate 3 can be positioned to a required degree. Further, even if the engaging portion 21a is not bifurcated, the plurality of engaging portions 2 located at positions apart from the convex portion 21
1a may be positioned so that they face each other.

Further, the convex portion 21 has a convex stripe as shown in FIG. As a result, both support and heating of the cooking plate 3 by the heater 2 are likely to be sufficiently performed over a long region. Moreover, the convex portion 21 having the convex stripe extends in a meandering manner between the positions where the bulge portions 3c of the concave portion 3b are arranged as shown in FIG. 3, and a dividing portion 25 is partially provided, and the dividing portion 25 has a heater. Two support metal fittings 8 are located. in this way,
Even if the convex portion 21 has a continuous convex strip that is advantageous for supporting and heating, the supporting portion 8 of the heater 2 can be provided by the presence of the dividing portion 25 without hindering the supporting and heating. A structure that does not disturb the support is obtained.

As shown in FIG. 3, the dividing portion 25 has a concave portion 3b.
It is located at a position corresponding to the space 3d between the adjacent bulges 3c and the bulges 3c. As a result, the constricted portion formed between the adjacent portions 3d of the bulged portions 3c of the recess 3b can be effectively used as a space for disposing the support fitting 8 of the heater 2.
As a result, it is possible to avoid an increase in the size of the cooking plate 3 or the like due to the arrangement of the support fittings 8 of the heater 2.

As described above, the outer case 1 and the cooking plates 3 and 4 are circular in a plan view, and the heater 2 is curved into an open U-shape in a plan view. The heater 2 is connected to the terminal 2a facing one side of the outer case 1.
In the electric cooking board provided with the power feeding control tool 12 for controlling power feeding, the concave portion 3b is biased on the side opposite to the power feeding control tool 12 in the cooking plate portion 3a of the cooking board 3 as shown in FIG. There is. As a result, the heater 2 is curved in an open U-shape, and can be positioned in a meandering manner as shown in FIG. 3 between the rows of the recesses 3b arranged in five rows or the like. It is easy to perform uniform heating on the whole 3b.
Moreover, in the heater 2 having such a shape, the power feeding control tool 12 is connected to the terminal 2a facing the side of the outer case 1 from the hollow U-shaped back portion to receive power feeding control, but the concave portion 3b has the cooking plate. The terminals 2a of the heater 2 on the side opposite to the eccentric side are arranged so as to be biased on the side opposite to the power supply control tool 12 of the portion 3a.
Although the portion does not generate heat, since the recesses 3b are arranged so as to avoid this range, it is possible to prevent insufficient heating of the recesses 3b on the side of the terminal 2a and to easily ensure uniform heating. Also, terminal 2a
Even if the power supply control tool 12 is connected to the portion, there is no problem of pulling the power supply control tool 12 toward the cooking plate 3 side, so that the amount of outward projection of the power supply control tool 12 from the outer case 1 can be suppressed as necessary.

In the example shown in FIGS. 1 to 4 and the examples shown in FIGS. 5 and 6, as an example of the arrangement of the eccentric recesses 3b, the recesses 3b on the mounting side of the power supply controller 12 are arranged in a substantially straight line,
The concave portion 3b on the opposite side is formed by adding the concave portion 3b to one central portion on the outside of the portion arranged in the same arrangement as the side of the power feeding control tool 12. The heaters 2 are located on both sides of the bulge portion 3c of the additional recessed portion 3b.

Further, as shown in FIG.
The heater 2 surrounds one central bulge 3c of the recesses 3b arranged on the second side, and a gap 24 is formed between the heater 2 and the bulge 3c.
The heat sensitive rod 15 can easily sense the cooking temperature while heating and cooking in the concave portion 3b by radiation and heat conduction from the heater 2 in this portion. Furthermore, the three bent portions 2c of the heater 2 having the above-mentioned outline U-shape as shown in FIG.
A convex portion 21 as shown in FIG. 3 which is curved corresponding to the above is provided apart from the bulging portion 3c so that the radiant heat can be easily contained therein.

In the examples shown in FIGS. 5 and 6, auxiliary ribs 23 are provided as bridges for heat conduction from the projections 21 to the bulges 3c of all the recesses 3b. A plurality of auxiliary ribs 23 from the convex portion 21 are provided at least on the bulge portion 3c of the outermost concave portion 3b. The heat conduction from the heater 2 is enhanced. Further, as shown by phantom lines in FIGS. 3 and 6, the heat insulating rib 26 is provided outside the array portion of the concave portions 3b without the heater 2.
Is formed to suppress the heat from the bulging portion 3c of the concave portion 3b from escaping to the outside, the heating efficiency and the heating uniformity can be improved.

[0035]

According to the main features of the electric cooking plate of the present invention, the cooking plate having the concave portions arranged on the cooking plate portion is mounted on the heater by the convex portion formed on the back surface of the cooking plate portion. By doing so, unlike the flat plate or the corrugated plate that is directly placed on the heater, the cooking plate is placed so that only the convex portion is located above the heater. It is possible to obtain the placing condition and the heating condition from the heater suitable for the type of the cooking plate part having the concave part. This allows
It is possible to successfully achieve heat cooking such as takoyaki with a cooking plate having a concave portion by adapting that the placement condition and the heating condition are different from those of other types of cooking plates to be used in exchange.

According to a further configuration, the convex portion is located between the convex portions of the concave portion on the back surface of the cooking plate portion and apart from them.
The heat from the heater is conducted to the cooking plate through the convex portion and then to the concave portions at various places, but since the heat conduction distance from the heater to the concave portion is long, it does not cause an overheating state. The divided heat is also radiated around the convex portion and around the cooking plate, and in particular, the concave portion on the back surface of the cooking plate portion can be easily trapped between the bulging portions, and the concave portion can be uniformly heated. For this reason, it is possible to bake it evenly and evenly while finishing the inside juicy with moderate heating, and it is possible to successfully and deliciously cook takoyaki without burning, insufficient heating, uneven heating.

According to a further configuration, the convex portion has an engaging portion that engages with the heater to prevent displacement of the cooking plate. According to a further configuration, the convex portion is used to mount the heater on the heater. Only by providing engagement with the heater, the heater can be positioned with respect to the heater, and the proper placement and proper heating on the heater can be reliably achieved.

According to the further configuration in which the convex portion has the convex stripe, both the support and the heating of the cooking plate by the heater can be easily performed sufficiently.

According to a further configuration, the convex portion extends in a meandering manner between the bulging portions of the concave portion and is partially provided with a dividing portion, and the heater supporting member is located in the dividing portion. Even if the convex portion forms a continuous convex strip that is advantageous for supporting and heating, it does not interfere with the support by the heater support without disturbing the supporting and heating because it has the dividing portion. The configuration is obtained.

According to a further configuration, the dividing portion is located at a position corresponding to the bulging portion of the concave portion and a portion adjacent to the bulging portion.
It is possible to effectively use the constricted portion formed in the adjacent portions of the bulged portions of the concave portion as the heater support arrangement space. As a result, it is possible to avoid an increase in the size of the cooking plate or the like due to the arrangement of the heater support.

The outer case and the cooking plate are circular in a plan view, and the heater is curved in an open U-shape in a plan view, and is connected to a terminal facing the one side of the outer case from the U-shaped back portion of the heater. A power supply control tool for controlling power supply to the heater by means of the recess, and the recess is arranged in the cooking plate portion of the cooking plate on a side opposite to the power supply control device. According to a further configuration, the outer case and the cooking plate are Since both are circular in plan view, it is possible to participate in cooking and taking out food from any direction without any directionality. Further, since the heater is curved in an open U-shape and can be positioned meanderingly between the rows of the recesses arranged in five rows, it is easy to uniformly heat the entire recesses. In addition, in the heater having such a shape, the power feeding control tool is connected to the terminal facing the side of the outer case from the white U-shaped back portion to receive power feeding control, but the recess is the power feeding control tool of the cooking plate portion. Since the heater is located on the side opposite to, the terminal part of the heater on the opposite eccentric side does not generate heat, but the recessed part is arranged avoiding this range, so the recessed part on the terminal part side is underheated. It is easy to prevent the occurrence of heat and ensure uniform heating. Further, even when the power supply control tool is connected to the terminal portion, there is no problem in bringing it to the side of the cooking plate, so that the amount of the power supply control tool protruding from the outer case to the outside can be suppressed to be small as necessary.

Further objects and features of the present invention will become apparent from the following detailed description and drawings. The respective features of the present invention can be employed alone or in combination in various combinations as much as possible.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing one example of an electric cooking board according to an embodiment of the present invention as viewed in one direction in which a power feeding control tool is located.

FIG. 2 is a cross-sectional view of the electric cooking plate of FIG. 1 as viewed in a direction in which the direction is changed at right angles.

FIG. 3 is a back view of a cooking plate having a recess of the electric cooking plate of FIG. 1.

FIG. 4 is a plan view and a back view of each half of the electric cooking board of FIG. 1.

FIG. 5 is a cross-sectional view showing another example of a cooking plate having a recess of the electric cooking plate of the present invention.

6 is a rear view of the cooking plate of FIG. 5. FIG.

[Explanation of symbols]

1 outer case 2 heater 2a terminal 3,4 cooking board 3a Cooking plate part 3b recess 3c bulge 12 Power supply control tool 21 convex 23 Auxiliary rib 24 gaps 25 division

Claims (7)

[Claims] 1. An electric cooking board, wherein a plurality of cooking boards are placed on a heater provided in an outer case so that they can be exchanged and heated to perform cooking corresponding to each cooking board, arranged on a cooking plate section. Provided on the back surface of the cooking plate portion of the cooking plate that heats and cooks in the concave portion, a convex portion that adjusts the difference in the mounting height of the cooking plate portion on the heater from the cooking plate that does not have such a concave portion. , The cooking plate is placed on the heater by this convex portion, the cooking plate portion is supported at a predetermined height different from other cooking plates, and the heating from the heater is received via the convex portion. A characteristic electric cooker. 2. The electric cooking board according to claim 1, wherein the convex portion is located between the concave portions of the concave portion on the back surface of the cooking plate portion and apart from them. 3. The electric cooking plate according to claim 1, wherein the convex portion has an engaging portion that engages with the heater to prevent the displacement of the cooking plate. 4. The electric cooking board according to claim 1, wherein the convex portion has a convex stripe. 5. The projection according to claim 4, wherein the projection extends in a meandering manner between the positions where the bulges of the recess are arranged, and a dividing portion is partially provided, and the heater supporting member is located in the dividing portion. Electric cooker. 6. The electric cooker according to claim 5, wherein the dividing portion is located at a position corresponding to the bulging portion of the concave portion and an adjacent portion of the bulging portion. 7. The outer case and the cooking plate are circular in a plan view, and the heater is curved into an open U-shape in a plan view, and the heater is curved from the back of the U-shape to a terminal facing one side of the outer case. 7. A power supply control tool, which is connected to control the power supply to the heater, is provided, and the recessed portion is arranged so as to be biased to a side opposite to the power supply control tool in the cooking plate portion of the cooking plate.
The electric cooker according to the item.