JP2000245623A - Hot plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the hot plate which is light weight and has excellent handleability, of which the material cost is low and which is capable of various cooking by one cooking plate. SOLUTION: In this hot plate provided with the cooking plate 3, a heating means 8 for heating the cooking plate 3 and a heat shielding plate 2 disposed below the cooking plate 3, the heat cooking surfaces 3a and 3b having different shapes are respectively formed on both front and back surfaces of the cooking plate 3. Also, the heating means 8 is provided on an outer side part to be the outer side of the cooking surfaces 3a and 3b on the cooking plate 3, heating is performed from the outer side part and heat is transmitted to a center part. By turning over the cooking plate 3 to the front and back and using it, the various cooking is made possible and the thickness of the cooking surfaces 3a and 3b on the cooking plate 3 is made as thin as possible.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot plate used for cooking, and more particularly, to a hot plate used for cooking.
The present invention relates to a hot plate capable of performing various types of heating cooking using a single heating plate.

[0002]

2. Description of the Related Art A hot plate used for cooking meat or the like is well known in the prior art. However, a heating plate of this type of hot plate has one type of cooking surface (for example, a flat surface). Or a corrugated plate-shaped surface), it was difficult to efficiently perform various heating cooking (eg, grilled meat and yakisoba).

[0003] Accordingly, by preparing a plurality of (for example, two) heating plates having different cooking surfaces,
What made it possible to perform various heating cooking, forming a heating cooking surface consisting of a flat plate shape surface on one side of the heating cooking plate,
It has been proposed to form an uneven surface having a corrugated plate shape or an octopus grilling concave portion on the other surface so that various heating cooking can be performed with one heating cooking plate.

[0004]

However, when a plurality of heating plates are used as described above, the space for storing the heating plates when not in use increases.

On the other hand, when different heating surfaces (for example, a flat surface and an uneven surface) are formed on the front and back of one heating plate, a heating means (for example, an electric heater) for heating the heating surface is used. If the heating plate and the heating plate are formed separately, the heat transfer performance from the electric heater to the heating plate will be insufficient, and it is necessary to embed the electric heater in the heating plate. For example, when trying to embed the electric heater between the flat surface and the uneven surface, the thickness of the heating plate is inevitably increased, and the weight of the heating plate increases. In addition, inconvenience arises in that the usability deteriorates and the material cost increases.

The present invention has been made in view of the above points, and provides a hot plate which is lightweight, easy to use, has low material cost, and can perform various heating cooking with one heating plate. It is the purpose.

[0007]

According to the first aspect of the present invention, a heating plate, heating means for heating the heating plate, and a heating plate disposed below the heating plate are provided as means for solving the above-mentioned problems. A hot plate provided with a heat shield plate, wherein a different shape of the cooking surface is formed on each of the front and back surfaces of the cooking plate, and the heating means is provided outside the cooking surface of the cooking plate. And heats from the outer portion to conduct heat to the central portion.

[0008] With the above configuration, various types of heating cooking can be performed by using the heating cooking plate with the front and back inverted. In addition, since the cooking plate is heated from the outer portion outside the cooking surface and is thermally conducted to the central portion, the thickness of the cooking surface of the cooking plate is made as thin as possible. It is possible to reduce the weight and material cost, and to reduce the height of the product. In addition, during the heating cooking, since both the front and back surfaces of the heating cooking plate are heated, there is no need to preheat even during reversal use, and the heating cooking can be performed immediately.

As in the invention of claim 2, claim 1
In the hot plate described above, when an electric heater that is cast on the outside portion of the heating plate outside the heating surface of the heating plate is used as the heating means, heat is directly transferred from the electric heater to the heating plate, Thermal efficiency is improved.

[0010] As in the invention of claim 3, claim 2
In the hot plate described above, when a heat transfer body made of a heat conductive material connected to the electric heater is cast into the heating plate, heat from the electric heater is applied to the heating plate via the heat transfer body. The heat is quickly transmitted to almost the entire area, so that the uniform heating of the cooking plate and the shortening of the heating time can be achieved.

According to a fourth aspect of the present invention, as a means for solving the above-mentioned problems, a heating plate, a heating means for heating the heating plate, and a heat shield plate disposed below the heating plate are provided. Wherein the heating plate is made of a magnetic material, and heating cook surfaces of different shapes are respectively formed on the front and back surfaces of the heating plate, and the heating means serves as the heating means. An electromagnetic induction coil that generates eddy currents on the plate is adopted.

[0012] With the above-described configuration, various types of heating cooking can be performed by using the heating cooking plate by turning it over. In addition, since the cooking plate is heated by the resistance heat of the eddy current generated by the electromagnetic induction coil, the thickness of the cooking surface of the cooking plate can be reduced as much as possible. Thus, weight reduction and material cost reduction can be achieved. Also, since the resistance heat of the eddy current generated in the heating plate by the electromagnetic induction coil is used as a heat source, portions other than the heating plate do not become hot, thereby improving safety and energizing the heating plate. From where there is no, it is also possible to wash whole. In addition, during the heating cooking, since both the front and back surfaces of the heating cooking plate are heated, there is no need to preheat even during reversal use, and the heating cooking can be performed immediately.

As in the invention of claim 5, claim 4
In the hot plate described above, when the electromagnetic induction coil is disposed at a position facing the side surface of the cooking plate, the overall height of the product can be reduced.

According to a sixth aspect of the present invention, there is provided a heating plate, a heating unit for heating the heating plate, and a heat shield plate disposed below the heating plate. In the hot plate comprising: a heating member made of a magnetic material is cast into the heating plate, and heating surfaces of different shapes are respectively formed on both front and back surfaces of the heating plate, and as the heating means, An electromagnetic induction coil for generating an eddy current in the heating member is employed.

[0015] With the above configuration, various types of heating cooking can be performed by using the heating cooking plate with the front and back inverted. In addition, since the cooking plate is heated by the resistance heat of the eddy current generated by the electromagnetic induction coil, the thickness of the cooking surface of the cooking plate can be reduced as much as possible. Thus, weight reduction and material cost reduction can be achieved. In addition, since it is not necessary to form the entire heating plate with a magnetic material, the material cost is reduced despite the adoption of the electromagnetic induction coil system. Also, since the resistance heat of the eddy current generated in the heating plate by the electromagnetic induction coil is used as a heat source, portions other than the heating plate do not become hot, thereby improving safety and energizing the heating plate. From where there is no, it is also possible to wash whole. In addition, during the heating cooking, since both the front and back surfaces of the heating cooking plate are heated, there is no need to preheat even during reversal use, and the heating cooking can be performed immediately.

As in the invention of claim 7, claim 6
In the hot plate described above, the heating member is cast into an outer peripheral edge of the cooking plate, and the electromagnetic induction coil is disposed at a position facing a side surface of the cooking plate. can do.

As in the invention of claim 8, claim 1
The hot plate according to any one of claims 8 to 8, wherein a flange having a front and back symmetric shape is integrally formed on an outer portion of the cooking plate, and the flange is brought into contact with the heat shield plate. When the cooking plate is placed on the heat shield plate, the heating plate can be easily supported on the heat shield plate, and the height of the cooking plate may change even when the heating plate is inverted. It is easy to cook with heating.

According to a ninth aspect of the present invention, as a means for solving the above-mentioned problems, in a hot plate including a heating plate and heating means for heating the heating plate, the hot plate is provided on both sides of the heating plate. While forming heating cooking surfaces of different shapes, respectively, employs a pair of bar-shaped electric heaters disposed in parallel as the heating means, and with respect to the notch recesses formed on both side surfaces of the heating cooking plate. The electric heating heater is detachably inserted to support the cooking plate.

With the above-described configuration, various types of heating cooking can be performed by using the heating cooking plate with its front and back inverted. Also, since the cooking plate is heated from the outside and heat is conducted to the center,
The thickness of the cooking surface of the cooking plate can be reduced as much as possible, and the weight and material cost can be reduced, and the height of the product can be reduced. In addition, during the heating cooking, since both the front and back surfaces of the heating cooking plate are heated, there is no need to preheat even during reversal use, and the heating cooking can be performed immediately. Further, since the heating plate and the heating means can be separated, the heating plate can be washed in a whole.

As in the tenth aspect of the present invention, in the hot plate according to any one of the first to ninth aspects, the heating cooking surfaces of the heating cooking plate having different shapes are a flat surface and an uneven surface. And different heating cooking (eg grilled meat and yakisoba or octopus)
Can be performed efficiently with one heating plate. A hot plate characterized by:

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Some preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

First Embodiment FIGS. 1 and 2 show a hot plate according to a first embodiment of the present invention.

The hot plate is made of a circular dish-shaped main body case 1 made of a synthetic resin and a metal material excellent in heat reflection performance supported and fixed to the inner bottom of the main body case 1 via a support 4. The heat shield plate 2 has a circular dish shape, and a circular heating plate 3 that is removably mounted on the heat shield plate 2.

The main body case 1 has a bottom 1a having an opening 5 in the center and a support leg 6 integrally formed on the lower surface, and a rising wall 1b rising from the outer peripheral edge of the bottom 1a.
And a skirt-shaped protection frame 1c folded downward from the upper end of the rising wall 1b. The rising wall 1b and the protection frame 1c include:
A pair of notches 7, 7 are formed at opposing locations.

The cooking plate 3 is made of a heat conductive material (for example, an aluminum alloy), and has a heating cooking surface having a different shape (for example, a corrugated surface 3a) on both front and back surfaces.
And the flat surface 3b) are formed. A thick portion 3b is integrally formed on an outer portion of the heating plate 3 outside the heating surfaces 3a and 3b, and the thick portion 3c has a substantially symmetrical front and back flange portion. 3d,
3e is formed integrally. And the thick portion 3c
An electric heater (for example, a sheathed heater) 8 serving as a heating means is cast into the center of the heater. In addition, the thickness of the heating cooking plate 3 is reduced from the outer peripheral side toward the center. In this manner, heat from the electric heater 8 is transferred to the cooking surface 3 of the cooking plate 3.
The heat is uniformly transmitted to the entire regions a and 3b, and uniform heating is obtained. The flanges 3d, 3 of the heating plate 3
The height including e is such that the upper end of the flange 3d or 3e does not protrude above the upper end of the rising wall 3b of the main body case 1 when placed on the heat shield plate 2. By doing so, it becomes difficult to touch the cooking plate 3 during cooking, and safety is improved.

By the way, as described above, the cooking plate 3
In a case where the heat-cooking plate 3 is placed on the heat-insulating plate 2, heat is transmitted from the heating-cooking plate 3 to the heat-insulating plate 2. On the surface,
A heat insulating material 31 is provided. In order to make the heat transfer area from the heating plate 3 to the heat shield plate 2 as small as possible, the four protrusions 16, 16.・ And 17,17 ・ ・
Are integrally formed. The projections 16 and 17 have the same height. In this case, the cooking plate 3
From the heat to the heat shield plate 2 can be suppressed as much as possible, and the thermal efficiency is improved. Further, since the effect of heat on the floor side can be reduced, the height of the product can be reduced.

On the outer peripheral edge of the cooking plate 3, there are provided a pair of handles 9, 10 which are attached to face each other so as to be accommodated in the notches 7, 7, respectively. One of the handles 9, 10 (that is, the handle 10) also serves as a support portion of the control master 11 that controls the heating state of the cooking plate 3 (ie, the state of energization of the electric heater 8). The control master 11 is detected by a temperature sensing rod 13 inserted into an insertion hole 12 formed at a portion of the thick portion 3c of the heating cooking plate 3 corresponding to one of the handles 8, and detected by the temperature sensing rod 13. The control unit 14 controls the state of energization of the electric heater 8 according to the temperature to be applied. Reference numeral 15 denotes a lid that covers the heating cooking plate 3.
Are to be placed on the upper surfaces of the flange portions 3d and 3e of the heating cooking plate 3.

With the hot plate configured as described above, the following operational effects can be obtained.

That is, various types of heating cooking (for example, cooking of grilled meat and yakisoba) can be performed by using the heating cooking plate 3 with the front and back inverted. In addition, heating cooking board 3
Is heated by the electric heater 8 cast in the outer portion, the thickness of the cooking surfaces 3a and 3b of the cooking plate 3 can be reduced as much as possible, and the And material cost can be reduced, and the height of the product can be reduced.

Moreover, since heat is directly transferred from the electric heater 8 to the heating plate 3, the heat efficiency is improved. In addition, during the heating cooking, since both the front and back surfaces of the heating cooking plate 3 are in a heated state, it is not necessary to preheat even in the reverse use, and the heating cooking can be performed immediately.

Further, the heating plate 3 is placed by abutting the heat shield plate 2 with a substantially symmetrical flange 3d or 3e integrally formed on the outer peripheral edge of the heating plate 3. Therefore, the heating cooking plate 3 can be easily supported on the heat shield plate 2, and the height of the heating cooking plate 3 does not change even when the heating cooking plate 3 is used upside down.
Heat cooking becomes easier.

In the present embodiment, a circular hot plate has been described, but the same applies to a rectangular hot plate.

Second Embodiment FIG. 3 shows a heating plate in a hot plate according to a second embodiment of the present invention.

In this case, a thick heat-retaining cooking surface 3f is integrally formed at the center of the corrugated plate-shaped surface 3a which is one of the heating cooking surfaces of the heating cooking plate 3. The heat-retaining cooking surface 3f is located farthest from the electric heater 8 and has a large heat capacity, so that it is difficult for the temperature to rise at the time of heating and cooking. It is suitable as a place for baking vegetables that are not used. Note that the weight is increased and the material cost is slightly increased due to the formation of the thick heat retaining cooking surface 3f as compared with the first embodiment, but the overall thickness is increased as in the conventional case. It is possible to achieve weight reduction and material cost reduction as compared to The other configuration and operation and effect are the same as those in the first embodiment, and thus the description is omitted.

Third Embodiment FIG. 4 shows a heating plate in a hot plate according to a third embodiment of the present invention.

In this case, a heat transfer from the electric heater 8 to the outside of the heating plate 3 outside the corrugated plate-shaped surface 3a so that the heat flux from the electric heater 8 flows more easily to the corrugated plate-shaped surface 3a. An accelerating portion 18 is formed. The heat transfer promoting unit 1
8 is formed by raising the outer portion outside the corrugated plate-shaped surface 3a. In this way, the corrugated plate-shaped surface 3a for heating and cooking meat that needs to be cooked at high temperature
The heat from the electric heater 8 is easily transmitted, which is suitable for heating and cooking meat on the corrugated surface 3a. The other configuration and operation and effect are the same as those in the first embodiment, and thus the description is omitted.

Fourth Embodiment FIG. 5 shows a heating plate in a hot plate according to a fourth embodiment of the present invention.

In this case, the electric heater 8 is
Is cast at a position closer to the corrugated plate-shaped surface 3a side than the center in the thick portion 3c. This facilitates the transfer of heat from the electric heater 8 to the corrugated plate-shaped surface 3a, which is suitable for cooking meat that needs to be cooked at a high temperature. The other configuration and operation and effect are the same as those in the first embodiment, and thus the description is omitted.

Fifth Embodiment FIG. 6 shows a heating plate in a hot plate according to an embodiment of the heat insulating material 5 of the present invention.

In this case, the electric heater 8 is
Is fitted in a concave groove 33 formed on the side surface of the second member. This facilitates the mounting of the electric heater 8. The other configuration and operation and effect are the same as those in the first embodiment, and thus the description is omitted.

Sixth Embodiment FIG. 7 shows a heating plate in a hot plate according to a sixth embodiment of the present invention.

In this case, a mica heater is used as the heating means 8, and the mica heater 8
Is attached to the side of the device by bonding or the like. This facilitates the mounting of the electric heater 8. The other configuration and operation and effect are the same as those in the first embodiment, and thus the description is omitted.

Seventh Embodiment FIGS. 8 and 9 show a heating plate in a hot plate according to a seventh embodiment of the present invention.

In this case, a heat transfer body 19 connected to the electric heater 8 is cast in the heating cooking plate 3. The heat transfer body 19 is made of a metal having a higher thermal conductivity than the material of the cooking plate 3 such as copper, and extends from the electric heater 8 toward the center of the cooking plate 3. I have. In addition, the heat transfer body 19 is supplied from the electric heater 8 to the heating cooking plate 3.
May be extended radially toward the center of the frame. As shown in FIG. 9, the periphery of the electric heater 8 is covered with a cover member 20 made of a material having a relatively low thermal conductivity such as stainless steel with an air layer 21 interposed therebetween. In this way, the heat from the electric heater 8 is quickly transmitted to substantially the entire area of the cooking plate 3 via the heat transfer body 19, so that the heating plate 3 can be uniformly heated and the heating time can be reduced. Becomes Moreover, the electric heater 8
Is covered with a cover member 20 made of a material having a relatively low thermal conductivity such as stainless steel with an air layer 21 interposed therebetween. Heat conduction to the portion 3c becomes difficult, and heat is intensively conducted to the heat transfer body 19, so that the heating plates 3a and 3b of the heating plate 3 are efficiently and uniformly heated. The other configuration and operation and effect are the same as those in the first embodiment, and thus the description is omitted.

Eighth Embodiment FIG. 10 shows a hot plate according to an eighth embodiment of the present invention.

In this case, a heating member 22 made of a magnetic material (for example, an iron-based metal material) is cast into the cooking plate 3. In the present embodiment, the heat generating member 22 is cast from the thick portion 3c and the flange portions 3d and 3e of the cooking plate 3 to the entire area of the cooking surfaces 3a and 3b.
Further, at a position on the inner peripheral side of the rising wall portion 1b of the main body case 1 and corresponding to the outer peripheral surface of the heating cooking plate 3 (that is, the thick portion 3c and the flange portions 3d and 3e),
The heating member 22 is provided with an electromagnetic induction coil 23 for generating an eddy current. The electromagnetic induction coil 23 is disposed while being held by an annular coil die 24 having a U-shaped cross section, and has a height substantially equal to the outer peripheral surface of the heating cooking plate 3. Reference numeral 25 denotes a cooling fan, 26 denotes an air inlet, and 27 denotes a temperature sensor for detecting the temperature of the heating cooking plate 3.

In this case, the cooking plate 3 is heated by the heat transfer from the heat generating member 22 which generates heat by the resistance heat of the eddy current generated by the electromagnetic induction coil 23. Cooking surfaces 3a, 3b in
Can be made as thin as possible, and weight and material cost can be reduced. In addition, since the resistance heat of the eddy current generated in the heat generating member 22 by the electromagnetic induction coil 23 is used as a heat source, portions other than the heating cooking plate 3 do not become hot, so that safety is improved and the heating cooking plate 3 is improved. Since there is no current-carrying member, it is possible to wash the whole. Furthermore, since the electromagnetic induction coil 23 is disposed outside the cooking plate 3, the overall height of the product can be reduced.

The heating plate 3 itself may be made of a magnetic material. The heating member 22 is cast only in the outer peripheral portion of the heating plate 3, and the heating member 22 is directed toward the center of the heating plate 3 from the heating member 22. It is also possible to provide a heat transfer body that extends. Further, the electromagnetic induction coil 23 may be provided below the cooking plate 3.

The other configuration, operation, and effect are the same as those in the first embodiment, and thus description thereof is omitted.

Ninth Embodiment FIG. 11 shows a hot plate according to a ninth embodiment of the present invention.

In this case, the cooking plate 3 in the heat shielding plate 2
The mounting surface has four raised portions 32, 3 at equal intervals in the circumferential direction.
Are integrally formed. The raised portions 32, 32.
Is to reduce the contact area between the cooking plate 3 and the heat shield plate 2 (in other words, the heat transfer area). In this way, heat conduction from the cooking plate 3 to the heat shield plate 2 can be suppressed as much as possible, and the thermal efficiency is improved.
Further, since the effect of heat on the floor side can be reduced, the height of the product can be reduced.

Tenth Embodiment FIGS. 12 and 13 show a hot plate according to a tenth embodiment of the present invention.

In this case, two rod-shaped electric heaters 8, 8 are laid in parallel on the pair of frames 28, 28. On the other hand, the cooking plate 3 has a rectangular shape, and cutout recesses 29 and 30 are formed on both side surfaces thereof. The depth of the other cut-out recess 30 is smaller than the depth of one cut-out recess 29. Then, the cooking plate 3 is arranged as shown in FIG.
As shown in FIG. 13A, with one electric heater 8 inserted into one notch recess 29, the electric heater 8 is rotated around the electric heater 8 as a fulcrum, as shown by an arrow M, as shown in FIG. The electric heating heater 8 is easily attached by sliding the heating cooking plate 3 in the direction of arrow P and inserting the other electric heater 8 into the other cutout recess 30. On the front and back of the cooking plate 3, different cooking surfaces (for example, corrugated plate-shaped surface 3a and flat plate-shaped surface 3b) as in the first embodiment are provided.
Are formed respectively.

Also in this case, various types of heating cooking (for example, cooking of grilled meat and yakisoba) can be performed by using the heating cooking plate 3 upside down. In addition, during heating cooking, since both the front and back surfaces of the heating cooking plate 3 are in a heated state, it is not necessary to preheat even at the time of inverting use, and heating cooking can be performed immediately. Further, since the heating plate 3 and the electric heater 8 can be separated from each other, the heating plate 3 can be washed in a round manner.

In each of the above embodiments, the heating and cooking surfaces 3a and 3b on the front and back sides of the heating and cooking plate 3 are corrugated and flat, which are irregular surfaces.
As the uneven surface, it is also possible to adopt a corrugated surface, an uneven surface for octopus grilling, an uneven surface for waffle firing, an uneven surface for fried egg, and the like. Can be.

[0056]

According to the first aspect of the present invention, there is provided a hot plate including a cooking plate, heating means for heating the cooking plate, and a heat shield plate provided below the cooking plate. In the above, the heating cooking plate having different shapes is respectively formed on the front and back surfaces of the heating cooking plate, and the heating means is provided on an outside portion of the heating cooking plate which is outside the heating cooking surface, and from the outside portion, Since it is configured to heat and conduct heat to the central part, it is possible to use various types of cooking by turning the cooking plate upside down and to use it. Can be made as thin as possible, so that the weight and material cost can be reduced, and the height of the product can be reduced. In addition, during heating cooking, since both the front and back surfaces of the heating cooking plate are heated, there is no need to preheat even during reversal use, and there is also an effect that heating cooking can be performed immediately.

As in the invention of claim 2, claim 1
In the hot plate described above, when an electric heater that is cast on the outside portion of the heating plate outside the heating surface of the heating plate is used as the heating means, heat is directly transferred from the electric heater to the heating plate, Thermal efficiency is improved.

As in the invention of claim 3, claim 2
In the hot plate described above, when a heat transfer body made of a heat conductive material connected to the electric heater is cast into the heating plate, heat from the electric heater is applied to the heating plate via the heat transfer body. The heat is quickly transmitted to almost the entire area, so that the uniform heating of the cooking plate and the shortening of the heating time can be achieved.

According to the fourth aspect of the present invention, the cooking plate
In a hot plate provided with heating means for heating the cooking plate, and a heat shield provided below the cooking plate, the cooking plate is made of a magnetic material, and the cooking plate is made of a magnetic material. On each of the front and back surfaces, heating cooking surfaces of different shapes are formed, and as the heating means, an electromagnetic induction coil that generates an eddy current in the heating cooking plate is adopted. By using it, various cooking can be performed, and the thickness of the cooking surface of the cooking plate can be reduced as much as possible, so that the weight and material cost can be reduced. There is. Also, since the resistance heat of the eddy current generated in the heating plate by the electromagnetic induction coil is used as a heat source, portions other than the heating plate do not become hot, thereby improving safety and energizing the heating plate. There is also the effect that it is possible to wash the whole area. In addition, during heating cooking, since both the front and back surfaces of the heating cooking plate are heated, there is no need to preheat even during reversal use, and there is also an effect that heating cooking can be performed immediately.

As in the invention of claim 5, claim 4
In the hot plate described above, when the electromagnetic induction coil is disposed at a position facing the side surface of the cooking plate, the overall height of the product can be reduced.

According to the sixth aspect of the present invention, the cooking plate
In a hot plate including a heating means for heating the cooking plate, and a heat shield provided below the cooking plate, a heating member made of a magnetic material is cast into the cooking plate, and On the front and back surfaces of the cooking plate, heating cooking surfaces of different shapes are respectively formed, and as the heating means, an electromagnetic induction coil for generating an eddy current in the heating member is adopted, so that the cooking plate is turned upside down. By using it, it is possible to perform various heating cooking, and it is possible to make the thickness of the heating cooking surface of the heating cooking plate as thin as possible, thereby achieving weight reduction and material cost reduction. There is also an effect. In addition, since the entire heating plate need not be made of a magnetic material, there is also an effect that the material cost is reduced despite the adoption of the electromagnetic induction coil system. Also,
Since the heat source is the resistance heat of the eddy current generated in the cooking plate by the electromagnetic induction coil, the parts other than the cooking plate do not become hot, and the safety is improved,
There is also an effect that the whole dish can be washed from the place where the heating plate does not have the conducting member. In addition, during heating cooking, since both the front and back surfaces of the heating cooking plate are heated, there is no need to preheat even during reversal use, and there is also an effect that heating cooking can be performed immediately.

As in the invention of claim 7, claim 6
In the hot plate described above, the heat-generating member is cast into an outer portion of the heating plate that is outside a cooking surface, and the electromagnetic induction coil is disposed at a position facing a side surface of the cooking plate. If so, the overall height of the product can be reduced.

As in the invention of claim 8, claim 1
The hot plate according to any one of claims 7 to 9, wherein a flange having a symmetrical shape is formed integrally with an outer portion of the cooking plate, and the flange abuts on the heat shield plate. When the cooking plate is placed on the heat shield plate, the heating plate can be easily supported on the heat shield plate, and the height of the cooking plate may change even when the heating plate is inverted. It is easy to cook with heating.

According to the ninth aspect of the present invention, the cooking plate
A hot plate provided with heating means for heating the cooking plate, wherein heating cooking surfaces of different shapes are respectively formed on both front and back surfaces of the heating cooking plate, and are arranged in parallel as the heating means. It employs a pair of rod-shaped electric heaters, and is configured to support the heating plate by detachably inserting the electric heater into cutout recesses formed on both side surfaces of the heating plate. So, by using the heated cooking plate upside down,
There is an effect that various heating and cooking can be performed. Also,
Since the cooking plate is heated from the outside and is thermally conducted to the center, it is possible to make the thickness of the cooking surface of the cooking plate as thin as possible, and to reduce the weight and There is also an effect that the material cost can be reduced and the height of the product can be reduced. In addition, during heating cooking, since both the front and back surfaces of the heating cooking plate are heated, there is no need to preheat even during reversal use, and there is also an effect that heating cooking can be performed immediately. Furthermore, since the cooking plate and the heating means can be separated, there is also an effect that the cooking plate can be washed whole.

[0065] As in the tenth aspect of the present invention, in the hot plate according to any one of the first to ninth aspects, the cooking surface of the heating plate having different shapes is a flat surface and a concave-convex surface. And different heating cooking (eg grilled meat and yakisoba or octopus)
Can be performed efficiently with one heating plate.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a hot plate according to a first embodiment of the present invention.

FIG. 2 is a plan view in which a part of the hot plate according to the first embodiment of the present invention is cut away.

FIG. 3 is a vertical sectional view of a cooking plate in a hot plate according to a second embodiment of the present invention.

FIG. 4 is a vertical sectional view of a cooking plate in a hot plate according to a third embodiment of the present invention.

FIG. 5 is a vertical sectional view of a cooking plate in a hot plate according to a fourth embodiment of the present invention.

FIG. 6 is a longitudinal sectional view of a cooking plate in a hot plate according to a fifth embodiment of the present invention.

FIG. 7 is a vertical sectional view of a heating cooking plate in a hot plate according to a sixth embodiment of the present invention.

FIG. 8 is a longitudinal sectional view of a heating cooking plate in a hot plate according to a seventh embodiment of the present invention.

FIG. 9 is an enlarged sectional view of a main part of a heating plate in a hot plate according to a seventh embodiment of the present invention.

FIG. 10 is a longitudinal sectional view of a hot plate according to an eighth embodiment of the present invention.

FIG. 11 is a longitudinal sectional view of a hot plate according to a ninth embodiment of the present invention.

FIG. 12 is a perspective view of a hot plate according to a tenth embodiment of the present invention.

FIGS. 13A and 13B show a procedure for attaching a heating plate to a hot plate according to the tenth embodiment of the present invention, wherein FIG. 13A is a cross-sectional view showing the first half of the procedure;
FIG. 7 is a sectional view showing a state in the latter half of the mounting procedure.

[Explanation of symbols]

2 is a heat shield plate, 3 is a cooking surface, 3a is a cooking surface (corrugated surface), 3b is a cooking surface (flat surface), 3c is a thick portion, 3d and 3e are flange portions, and 8 is a flange portion. Heating means (electric heater), 19 is a heat transfer body, 22 is a heating member, 23 is an electromagnetic induction coil, and 29 and 30 are cutout recesses.

Claims (10)

[Claims] 1. A hot plate, comprising: a cooking plate; heating means for heating the cooking plate; and a heat shield disposed below the cooking plate. On both front and back sides, differently shaped heating surfaces are respectively formed, and the heating means is provided on an outer portion of the heating plate which is outside the heating surface of the heating plate, and heated from the outer portion to the central portion. A hot plate configured to conduct heat. 2. The hot plate according to claim 1, wherein an electric heater cast into an outer portion of the heating plate outside the cooking surface is employed as the heating means. 3. The hot plate according to claim 2, wherein a heat transfer body made of a heat conductive material connected to the electric heater is cast into the heating plate. 4. A hot plate comprising: a cooking plate; heating means for heating the cooking plate; and a heat shield plate provided below the cooking plate. , A cooking surface of different shape is formed on each of the front and back surfaces of the heating plate, and an electromagnetic induction coil for generating an eddy current in the heating plate is used as the heating means. Hot plate characterized by doing. 5. The hot plate according to claim 4, wherein said electromagnetic induction coil is disposed at a position facing a side surface of said cooking plate. 6. A hot plate, comprising: a cooking plate; heating means for heating the cooking plate; and a heat shield disposed below the cooking plate. Is a method of casting a heating member made of a magnetic material, forming heating cooking surfaces of different shapes on both front and back surfaces of the heating plate, and using the electromagnetic induction as the heating means to generate an eddy current in the heating member. A hot plate characterized by the use of coils. 7. The heating member is cast outside the cooking surface of the cooking plate, and the electromagnetic induction coil is disposed at a position facing a side surface of the cooking plate. The hot plate according to claim 6. 8. A heating plate on the heat shield plate by integrally forming a flange having a substantially symmetrical shape on the front and back sides on an outer portion of the heating plate, and abutting the flange portion on the heat shield plate. 8. The method according to claim 1, wherein the first position is mounted.
The hot plate according to any one of the above. 9. A hot plate comprising a cooking plate and heating means for heating the cooking plate, wherein heating cooking surfaces having different shapes are formed on both front and back surfaces of the cooking plate. As the heating means, a pair of bar-shaped electric heaters arranged in parallel is adopted, and the electric heater is removably inserted into cutout recesses formed on both side surfaces of the cooking plate. A hot plate characterized by supporting a cooking plate. 10. The hot plate according to claim 1, wherein the cooking surfaces having different shapes in the cooking plate are a flat surface and an uneven surface.