JPH11218330A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a cookability for efficiently utilize and uniformly transferring a heat in a heating cooker to a material to be heated, a safety for reducing a danger of a scald and a cleanability of no clogging. SOLUTION: A top plate 17 and a heat dispersing unit 19 installed at a predetermined air gap to the plate 17 to place a material 24 to be heated are provided directly above a burning unit 14. The unit 19 has a constitution for making a heat transfer uniform to the material 24 corresponding to a state of the unit 14, thereby uniformly heating the material 24. The unit 14 is a burner having a burner port directed toward a central direction with a long contact of the unit 19 with a flame with a high efficiency, and scarcely clogged as compared with the upward burner hole to reduce a flame overflow.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating cooker having good cookability and safety for good cooking, and easy to clean.

[0002]

2. Description of the Related Art As a conventional general combustion type cooking device, there is a stove by burning gas or the like, and a burner portion has a flame opening opened in an outer peripheral direction. What happened was common. This type of stove is a system in which an outward flame circulates around the bottom of a pot or the like, and the object to be heated is heated mainly by convection heat. The heat is easily diffused to the surroundings and the heat efficiency is about 40 to 45%.

On the other hand, a stove using radiant heat as disclosed in Japanese Patent Application Laid-Open No. 62-142927 has been proposed. Hereinafter, the configuration will be described with reference to the drawings. FIG. 6 is a cross-sectional view of a conventional radiation stove.
In FIG. 6, 1 is a mixing tube, 2 is an outlet of the mixing tube,
A premixed combustion plate 5 composed of a honeycomb structure 4 having a large number of through holes 3 serving as flame outlets, 5 is a heat permeable plate made of crystallized glass provided immediately above the honeycomb structure 4,
The periphery of the heat transmission plate 5 is fixed to a heat transmission plate holding base 6 having a pentagonal shape, and the periphery is open. Reference numeral 7 denotes a soup tray installed around the outer periphery of the premixed combustion plate 2, 8 denotes a fuel jet nozzle facing the inlet of the primary air of the mixing pipe 1, 9 denotes a flame formed on the upper surface of the honeycomb structure 4, 10 denotes a flame Radiant rays generated by high-temperature red heat on the upper surface of the honeycomb structure 4, 11 is a pan placed on a stove, and 12 is a hot exhaust gas flow generated by the flame 9.

In such a configuration, a negative pressure is generated at the inlet of the mixing pipe 1 by the gas flow injected from the fuel injection nozzle 8, and at the same time, the premixed air is formed by the primary air flowing into the mixing pipe 1. Are the multiple through holes 3 of the honeycomb structure 4
, And when ignited, secondary air is obtained on the upper surface of the honeycomb structure 4 to form a flame 9. The flame 9 is formed on the upper surface of the honeycomb structure 4 using a large number of through holes 3 of the honeycomb structure 4 as flame outlets, and a portion having a depth of 1 to 1.5 mm from the upper surface of the honeycomb structure 4 is heated to about 800 ° C. Glow red. Radiation 1 indicated by a dotted arrow generated by high temperature red heat
0 reaches the bottom of the pan 11 through the heat transmission plate 5 immediately above. On the other hand, the hot exhaust gas flow 12 indicated by the dotted arrow generated by the flame 9 flows around the heat permeable plate 5 and is released from the gap between the heat permeable plate holding tables 6 to the outside air while contacting the curved portion and the outer periphery of the pot 11. You. Further, at the contact portion between the heat permeable plate 5 and the bottom of the pot 11, heat is transmitted to the bottom of the pot 11 by heat conduction from the heat permeable plate 5. That is, the convection heat due to the hot exhaust gas flow 12, the conduction heat due to the contact between the heat permeable plate 55 and the pot 11, and the radiation 1 generated by the high-temperature red heat of the upper surface of the honeycomb structure 4
0 is given to the pot 11 at the same time.

[0005]

However, the combustion section of the above-mentioned conventional heating cooker is constituted by a honeycomb structure 4, and a heat permeable plate 5 above the honeycomb structure 4 transmits heat generated from the premixed combustion plate 2. Just by letting it go, the uniformity of the heat transmitted to the pot 11 probably depends on the honeycomb structure 4 of the combustion part,
Moreover, a large number of through-holes 3 of the honeycomb structure 4 are directed directly upward and are easily clogged, and since the flame 9 is not formed in the clogged portion, heat is not uniformly transmitted to the pot 11 as a result. .

Further, the heat permeable plate 5 is always necessary in order to prevent boiling over from directly above, but the heat permeable plate has a problem that the bottom surface of a wok or the like has an arc shape and cannot be applied to a non-horizontal pan. there were.

The honeycomb structure 4 radiates heat by irradiating a portion having a depth of 1 to 1.5 mm from the upper surface thereof at a high temperature of about 800 ° C. to generate radiation, and a heat transmission plate 5 immediately above the honeycomb structure 4 transmits the radiation. Therefore, there is a problem that if the heat transmission plate 5 is contaminated, it is difficult to transmit radiation.

Further, even when the heat permeable plate 5 is positioned directly above the honeycomb structure 4, the through hole 3 which is a flame port is formed by boiling down from the gap between the heat permeable plate holding tables 6. There was a problem that it was easily blocked.

The pot 11 is heated by conduction heat from the heat transmission plate 5 in contact with the center of the bottom of the pot and radiant heat from the honeycomb structure 4. There is a problem that there is a difference in heat distribution between the central portion and the peripheral end of the pot because the configuration is configured to be heated by convective heat generated from the gap between the opened heat transmitting plate holding tables 6.

The heat permeable plate 5 only transmits radiation from the honeycomb structure 4 of the premixed combustion plate 2, and when the premixed combustion body 2 is not uniformly burned due to boiling over, heat uniformity is obtained. There was a problem that it was difficult to maintain the properties.

The heat permeable plate 5 is in direct contact with the pan 11, but the residual heat accumulated in the heat permeable plate 5 heats the pan 11 even after the end of combustion, so that the spill after fire extinguishing occurs. There was a problem that it was easy.

Further, a heat-transmitting plate holding base 6 of a virtue shape is provided at an open portion around the heat-transmitting plate 5, and a saucer 7 serving as a juice receiver is provided below the stand 6 to receive boiling water and the like. Cleaning has to be performed by removing the upper heat permeable plate holding table 6 and the heat permeable plate 5, and there is a problem that cleaning performance is poor.

In addition, the above-mentioned conventional cooking device does not detect the temperature of the object to be heated, so that it is difficult to bring the contents of the pot 11 to an effective temperature, and the cooking tends to fail.

In addition, the above-mentioned conventional cooking device cannot grasp an efficient heating power which varies depending on the size of the pan 11, and the hot exhaust gas flow 12 comes out from the periphery of the heat permeable plate 5, so that the pan 1
When 1 is small, there is a problem that the hot exhaust gas stream 12 overflows and convection heat cannot be effectively used.

Further, since the flame 9 is located below the heat permeable plate 5 and the flame 9 is not directly directed to the outside, although the hot exhaust gas flow 12 comes out from the outer periphery of the heat permeable plate 5, the flame 9 is Sometimes it was difficult to recognize.

[0016]

In order to solve the above-mentioned problems, the present invention provides a combustion section, a top plate having an opening having a size including the periphery of the combustion section, and a ceiling plate directly above the combustion section. It is provided with a plate and a predetermined gap, and is provided with a heat dispersing element configured to place the object to be heated and to make uniform the heat transfer from the combustion section to the object to be heated.

According to the above-mentioned invention, the heat transfer to the object to be heated can be made uniform by the structure of the heat dispersing element, without relying on the honeycomb structure having a uniform structure of the combustion section.

According to the present invention, in order to solve the above-mentioned problems, the heat dispersing element is made detachable.

According to the above invention, the form of the object to be heated such as a pan,
Depending on the type of cooking, it is also possible to use it without a heat disperser.

In order to solve the above-mentioned problems, the present invention provides a heat dispersing element having a film which emits infrared rays from the surface.

According to the above invention, since the infrared rays are also emitted from the heat dispersing element, even when the combustion is partially prevented due to clogging of the combustion section, etc., the radiation is effectively transmitted to the pot and the heat transfer is made uniform. Can be measured.

According to the present invention, in order to solve the above-mentioned problems, the combustion section is a burner having a flame port directed toward the center.

According to the above-mentioned invention, since the flame is not directed straight upward as in the prior art, clogging due to spilling is difficult, and the contact area to the object to be heated can be increased by the inward flame.

In order to solve the above-mentioned problems, the present invention provides a heat dispersing element having a plurality of openings whose opening areas are changed from the center to the ends.

According to the above invention, the heat transfer can be made uniform by changing the opening area corresponding to the shape of the flame in the combustion section.

In order to solve the above-mentioned problems, the present invention provides a heat disperser having a thickness varying from a center to an end.

According to the above invention, the heat transfer can be made uniform by changing the thickness of the heat dispersing body according to the shape of the flame in the combustion section.

According to the present invention, in order to solve the above-mentioned problems, a heat dispersing body is provided with a projection at a peripheral end thereof.

According to the present invention, the object to be heated can be placed without completely contacting the heat dispersing body, and the influence of residual heat can be suppressed.

In order to solve the above-mentioned problems, the present invention provides a heat dispersing element which is larger than the opening of the top plate and covers the opening of the top plate.

According to the above invention, since the heat dispersing material covers the opening of the top plate, it is difficult for boil-off and the like to enter the opening, so that the cleaning property can be improved.

According to the present invention, there is provided a heat dispersing device having a temperature detecting means for detecting a temperature of an object to be heated.

According to the above invention, the temperature of the heat dispersion can be grasped, so that the state of residual heat can be recognized, and the residual heat can be used.

According to the present invention, there is provided a heat dispersing device having a shape detecting means for detecting a size of an object to be heated.

According to the above-mentioned invention, the heating power can be adjusted efficiently according to the size of the object to be heated such as a pot placed on the heat dispersing element.

According to the present invention, there is provided a heat dispersing device having a weight detecting means for detecting a weight of an object to be heated.

According to the above-mentioned invention, it is possible to grasp whether or not the object to be heated is placed on the heat dispersing body, and it is possible to easily adjust the heating power.

[0038]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to claim 1 of the present invention comprises a top plate having a combustion section, an opening having a size including the periphery of the combustion section, and a top plate directly above the combustion section. And provided with a predetermined gap, and provided a heat dispersion body on which the object to be heated is placed,
This heat dispersing element is configured to make uniform the heat transfer from the combustion section to the object to be heated.

According to the form of the combustion section, the heat from the combustion section can be made uniform and the object to be heated can be heated uniformly.

An embodiment according to claim 2 of the present invention is as follows.
The heat disperser is configured to be detachable.

The heat dispersing element can be used in a state where it is removed according to the suitability of cooking and cooking utensils.

An embodiment according to claim 3 of the present invention provides:
An infrared radiation coating is formed on the surface of the heat dispersion.

Then, radiation can be generated from the heat dispersion and transmitted to the object to be heated. In the embodiment according to claim 4 of the present invention, the combustion part is a burner having a flame opening directed toward the center.

The burner is less likely to be clogged due to boiling over and the like, and the heat is in contact with the heat disperser for a long time from the center to the end, so that heat cooking with high heat efficiency can be performed.

An embodiment according to claim 5 of the present invention provides:
A plurality of openings are provided in the heat dispersing body, and the openings have a changed opening area from the center to the end.

Then, the heat can be made uniform by the openings of the heat dispersing element corresponding to the combustion characteristics of the combustion section and transmitted to the object to be heated.

An embodiment according to claim 6 of the present invention provides:
The thickness of the heat dispersion was varied from the center to the end.

The heat can be made uniform by the thickness of the heat dispersing element corresponding to the combustion characteristics of the combustion part and transmitted to the object to be heated.

An embodiment according to claim 7 of the present invention provides:
This is a configuration in which a convex portion is provided at the peripheral end of the heat dispersion. The object to be heated is supported by the convex portion and a gap is formed between the object and the heat dispersing element, so that the residual heat from the heat dispersing element is less affected, and the heat of the exhaust heat is effectively exchanged in the gap. .

An embodiment according to claim 8 of the present invention provides:
The size of the heat dispersion is larger than the opening of the top plate and covers the opening of the top plate.

Further, since the heat dispersing material covers the opening of the top plate, it is difficult for boil-off and the like to enter the opening, and the cleaning property can be improved.

An embodiment according to claim 9 of the present invention provides:
At least the heat dispersion is provided with a temperature detecting means for detecting the temperature of either the heat dispersion or the object to be heated.

Since the temperature of the heat dispersion can be grasped,
It is possible to recognize the state of residual heat and use residual heat.

In a tenth embodiment of the present invention, the heat dispersing body is provided with a shape detecting means for detecting the size of the object to be heated.

Further, the heating power can be adjusted efficiently according to the size of the object to be heated such as a pot placed on the heat dispersing element.

According to an eleventh embodiment of the present invention, the heat disperser is provided with a weight detecting means for detecting the weight of the object to be heated.

Further, cooking can be performed more safely by grasping whether or not an object to be heated is placed on the heat dispersion body and adjusting the heating power including extinguishing the flame.

[0058]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a configuration diagram around a combustion section of a heating cooker according to Embodiment 1 of the present invention, FIG. 2 is an external perspective view of the heating cooker, and FIG. FIG. 3B is a top view of the heat disperser of the vessel, and FIG.
It is sectional drawing.

1 to 3, reference numeral 13 denotes a mixing pipe having an inlet 13 a for primary air, 14 denotes a cylindrical burner which closes an outlet of the mixing pipe 13 and has an inward slit-shaped flame port 15. The burned portion, 16 is a flame rising from the inwardly facing flame port 15, and 17 is a stove top plate, which is provided above the burned portion 14 and has an opening 18 having a size including the periphery of the burned portion 14. 19 is immediately above the combustion section 14,
The heat dissipating body is provided with the top plate 17 and a predetermined gap 17 a and is large enough to cover the opening 18 of the top plate 17. 2
Reference numeral 0 denotes a support portion provided on the top plate 17 for supporting the heat dispersing member 19 in a detachable manner. 21 is an infrared radiation coating formed on the surface of the heat dispersion 19, 22 is provided on the heat dispersion 19,
These are a plurality of openings of the heat dissipating body 19 whose opening area gradually changes from the center to the end. Reference numeral 23 denotes a convex portion provided at the peripheral end of the upper surface of the heat dispersing member 19, and 24 denotes a heat dispersing member
An object 25 to be heated such as a pan placed on the convex portion 23 of the heat dispersing member 19 is a gap between the object 24 to be heated placed on the convex portion 23 of the heat dispersing member 19 and the heat dispersing member 19. Reference numeral 26 denotes a fuel jet nozzle facing the intake port 13a of the mixing pipe 13, reference numeral 27 denotes a flow of exhaust heat gas generated by the flame, and reference numeral 28 denotes radiation radiated from the infrared radiation coating 21 formed on the surface of the heat disperser 19. Line. 29 is a temperature detecting means provided on the heat dispersing element 19 and detecting at least the temperature of either the heat dispersing element or the object to be heated, and 30 is provided on the heat dispersing element 19 and detects the size of the object to be heated. Numeral 31 is a weight detecting means provided on the heat dispersing body 19 for detecting the weight of the object to be heated. Reference numeral 32 denotes temperature display means for displaying information detected by the temperature detection means 29, and reference numeral 33 denotes ejection from the fuel ejection nozzle 26 based on information detected by the temperature detection means 29, the shape detection means 30, and the weight detection means 31. This is a thermal power control means for controlling the thermal power by adjusting the amount of gas to be generated.

Next, the operation and action will be described. A negative pressure is generated by the gas flow ejected from the fuel ejection nozzle 26 into the mixing pipe 13, and the primary air also flows into the mixing pipe 13 from the intake port 13a at the same time. Qi is formed. Mixing tube 13
The premixed gas formed in the inside enters the combustion section 14 and is ignited by a spark by a piezoelectric transformer (not shown) or the like, and the inward flame 15
At an inward flame 16 is formed. Inward flame 1
6 rises while concentrating on the center of the combustion part 14 and
It hits the heat dispersing element 19 immediately above 4 and spreads from the central part to the end part while making contact.

At this time, as shown in FIG. 3A, the opening area of the plurality of heat dispersing element openings 22 opened in the heat dispersing element 19 increases from the center to the end, and heat is concentrated. The flame 16 rises from the heat dispersing element opening 22 at the end rather than at the center where it touches the object to be heated 24 and direct heat is applied to the object to be heated 2.
4 is easier to reach. As shown in FIG. 3 (b), the thickness of the heat disperser 19 is thicker at the center and thinner toward the ends, so that heat transfer is better at the ends than at the center where heat is concentrated. The object to be heated 2 is uniformly heated as a whole.
It is conveyed to 4.

The exhaust gas flow 2 generated by the flame 16
7 reaches the outside through the gap 17a while ascending through the opening 18 and contacting the back surface of the heat dispersing element 19.

The heat transmitted to the heat dispersing element 19 by the flame 16 heats the infrared radiation film 21 formed on the surface of the heat dispersing element 19, and is radiated to the object to be heated as radiation 28. The object to be heated 24 is placed on the protrusion 23 provided at the peripheral end of the upper surface of the heat dispersing body 19, and the protrusion 2
The waste heat gas flow 27 enters the gap 25 formed between the heat dispersing element 19 and the object 24 to be heated from the opening 22 of the heat dispersing element 19 to perform heat exchange.

In addition, even when the cooked food spills out of the object to be heated 24, most of the spillover falls on the top plate 17 because the heat disperser 19 covers the top plate opening 18. Can be wiped off on the spot.

When the heat dispersing element 19 is heated, the temperature state is detected by the temperature detecting means 29 provided on the heat dispersing element 19 and displayed on the temperature display means 32 so that the user can know the heating state. Therefore, in cooking, in addition to preventing failure due to overheating, it is possible to recognize the state of residual heat after cooking and the like, and it is also possible to use the residual heat for keeping heat. Further, by controlling the temperature of the heat dispersing member 19 by controlling the amount of combustion in the combustion part 4 by the thermal power control means 33 in conjunction with the temperature of the heat dispersing member 19, it is possible to cook properly without burning even long-time cooking such as stew. .

When the object 24 to be heated is placed on the heat dispersing element, the size of the object 24 is detected by the shape detecting means 30 provided on the heat dispersing element 19. The amount of combustion in the combustion section 4 is controlled by the heating power control means 33 in accordance with the size of the object 24, and the heated object 24 can be automatically controlled to have a safe and efficient combustion power without flame overflowing.

When the object to be heated 24 is placed on the heat dispersing element 19, the load on the object to be heated 24 is detected by the weight detecting means 31 provided on the heat dispersing element. When the object to be heated 24 is not placed on the heat dispersing body 19 by the heating power control means 33, the heating power of the combustion unit 14 is reduced, and when the object to be heated is burning without being placed even after a certain period of time. Since the fire is extinguished, it is safer, and there is a flame 16 below the heat dispersing body 19, so that there is no fear of forgetting to extinguish the flame 16 even if the flame 16 is not clearly seen.

In the first embodiment, the flat object at the bottom of the pot is used as the object to be heated 24. However, when a round wok is used, the heat disperser 19 is removed and used. The heat disperser 19 can be removed and used depending on the appropriateness of the tool (such as a pot). In addition, it is also possible to bake the food directly on the heat dispersion body 19 without using the object to be heated 24.

(Embodiment 2) FIG. 4A is a top view of a heat dispersing body 19 in a heating cooker according to Embodiment 2 of the present invention.
(B) is a BB 'line sectional view of the same heat dispersion body.

The second embodiment is different from the first embodiment in that a plurality of heat disperser openings 22 of the heat disperser 19 in the first embodiment are constituted by a large number of through holes 34. The number of the through-holes 34 formed in the heat dispersing body 19 is increased from the center to the end to increase the opening amount.

The components having the same reference numerals as in the first embodiment have the same structure and operation as those in the first embodiment, and a detailed description thereof will be omitted.

Next, the operation and function will be described. As shown in FIG. 4 (a), a large number of through holes 34 are opened from the center to the end as shown in FIG. Therefore, heat is more easily transmitted from the through-hole 34 to the object 24 at the end than at the center where the heat is concentrated, and the thickness of the heat disperser 19 is as shown in FIG. Since the central portion is thicker and becomes thinner toward the end portion, heat transfer is better at the end portion than at the central portion where heat is concentrated, and the heat is transmitted uniformly to the object to be heated as a whole.

(Embodiment 3) FIG. 5 (a) is a top view of a heat disperser 19 of a heating cooker according to Embodiment 3 of the present invention.
FIG. 5B is a cross-sectional view of the heat dispersion body taken along the line CC ′. The third embodiment is different from the first and second embodiments in that, in addition to the convex portion 23 provided at the peripheral end of the upper surface of the heat dispersing member 19, a second member capable of supporting an object to be heated also inside the convex portion 23. The convex portion 35 is provided, and the height of the vertical convex portion in the second convex portion 35 is:
The height is lower than the convex portion 24 located on the outside. No opening is provided in the portion of the heat dispersing element 19 inside the second convex portion 35, and the second convex portion 35 and the convex portion 2 at the peripheral end are not provided.
The portion of the heat dissipator 19 between the openings 3a and 3
Is provided.

The components having the same reference numerals as those of the first and second embodiments have the same structure and operation as those of the first and second embodiments, and the detailed description is omitted.

Next, the operation and the operation will be described. When the object to be heated 24 such as a pan whose horizontal maximum diameter is smaller than the maximum diameter of the heat dispersion medium 19 is placed on the heat dispersion medium 19, Thing 2
4 does not rest on the protrusion 23 provided at the peripheral end,
It can be placed on the second convex portion 35 on the inside. Therefore, when the object to be heated 24 such as a pan is small, the object to be heated is placed directly on the heat dispersing body 19, and the object to be heated is excessively intensively heated by the heat transfer from the heat dispersing body 19. Can be prevented.

The height in the vertical direction of the second convex portion 35 is lower than the height of the convex portion 23 at the peripheral end, so that the bottom of a pot larger than the maximum diameter of the heat disperser 19 is flat. Even when the object to be heated 24 is placed, the second convex portion 35 can be stably placed on the bottom of the object to be heated 24 without hindrance. Further, the second convex portion 35 in the heat dispersing body 19
Since no opening is provided in the inside of the fin, the heat of the central part where the flame 16 is concentrated is suppressed, and the second convex part 35 and the convex part 2 of the peripheral end part are formed.
3 is provided with a mesh-like opening 22a, so that heat can be easily turned around.
The heat from the flame 16 rising from 5 can be uniformly transmitted to the object to be heated.

[0078]

As described above, the heating cooker according to the first aspect of the present invention has a combustion section, a top plate having an opening having a size including the periphery of the combustion section, and a top plate directly above the combustion section. A heat dispersing body is provided with a top plate and a predetermined gap on which the object to be heated can be placed, and the heat transfer from the combustion unit to the object to be heated is made uniform. Can be heated evenly during cooking for a long period of time or when cooking in a frying pan. can do.

The heating cooker according to the second aspect of the present invention can be used with a heat disperser attached and detached, so that it can be heated according to the suitability of cooking and cooking utensils such as when using a round wok with a pan bottom. It can be used even when the dispersion is removed, and can be used in various cooking situations.

A heating cooker according to a third aspect of the present invention comprises an infrared radiation film formed on the surface of a heat dispersion,
Radiation can be generated directly from the heat dispersion and transmitted to the object to be heated, so that radiant heat can be used regardless of the shape of the combustion section. Can be used for cooking suitable for.

In the heating cooker according to the fourth aspect of the present invention, since the combustion portion is formed by a burner having a flame opening directed toward the center, the burner is less likely to be clogged due to boiling over and the like, and heat is not generated in the center. Since the heat dispersing body is in contact with the heat dispersing body for a long time from the part to the end, efficient cooking can be performed with little energy, and cooking can be performed safely without flame overflow.

In the cooking device according to the fifth aspect of the present invention, a plurality of openings are provided in the heat dispersing body, and the opening area is changed from the center to the end. Since the heat can be used uniformly on the object to be heated by opening the heat dispersing element corresponding to the heat, the bottom of the object to be heated, such as a pot, is less likely to be concentrated due to partial heat, and it can be used for stewed dishes or frying pans Can cook well.

According to a sixth aspect of the present invention, in the heating cooker, the thickness of the heat disperser is gradually changed from the center to the end, and the heat disperser is adapted to the combustion characteristics of the combustion part. Since the heat can be uniformized and transmitted to the object to be heated by the thickness of the dish, the heat is partially concentrated and the bottom of the object to be heated such as a pan is less likely to scorch, so that stewed dishes and frying pans can be cooked well. .

In the heating cooker according to the seventh aspect of the present invention, a gap is formed between the heat disperser and the heat disperser by providing a convex portion for supporting the heat disperser at the peripheral end of the heat disperser. Therefore, the heat of the exhaust heat can be effectively exchanged even in the voids and transmitted to the object to be heated, while the influence of residual heat from the heat dispersion is reduced.

In the heating cooker according to claim 8 of the present invention, the heat disperser is configured to be larger than the opening of the top plate and to cover the opening of the top plate. Since it is covered, spills and the like are less likely to enter the opening, and the cleaning property can be improved.

[0086] The heating cooker according to the ninth aspect of the present invention is provided with a temperature detecting means for detecting at least either the temperature of the heat dispersion or the temperature of the object to be heated, so that the temperature of the heat dispersion can be grasped. Therefore, it is possible to avoid the risk of burns by recognizing the state of residual heat, and to utilize residual heat by knowing the temperature.

[0087] The heating cooker according to claim 10 of the present invention comprises:
Since the heat dispersing element is provided with the shape detecting means for detecting the size of the object to be heated, efficient heating power adjustment corresponding to the size of the object to be heated such as a pot placed on the heat dispersing element can be performed.

[0088] The heating cooker according to claim 11 of the present invention comprises:
The heat disperser is equipped with weight detection means for detecting the weight of the object to be heated, so it is possible to determine whether the object to be heated is placed on the heat disperser and adjust the heating power including the extinguishing of the flame. Can be easily recognized and safety can be improved.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a heating cooker according to a first embodiment of the present invention.

FIG. 2 is an external perspective view of the cooking device.

FIG. 3A is a top view of the heat disperser of the cooking device. FIG. 3B is a cross-sectional view of the heat disperser shown in FIG.

FIG. 4A is a top view of the heat dispersing element according to the second embodiment of the present invention. FIG. 4B is a cross-sectional view of the heat dispersing element of FIG.

5 (a) is a top view of a heat dispersing element in Example 3 of the present invention. (B) is a cross-sectional view of the heat dispersing element of FIG.

FIG. 6 is a configuration diagram of a radiation stove that is a conventional heating cooker.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 14 Burning part 15 Flame opening 16 Flame 17 Top plate 18 Top plate opening 19 Heat dispersion body 21 Infrared radiation film 22 Heat dispersion body opening 23 Convex part 24 Heated object 29 Temperature detecting means 30 Shape detecting means 31 Weight detecting means

Claims (11)

[Claims] A top plate provided with an opening in a portion located above the combustion portion and opposed to the combustion portion and including a periphery of the combustion portion; and a top plate directly above the combustion portion. And a heat disperser provided with a predetermined gap, and on which an object to be heated is placed, wherein the heat disperser is configured to evenly transfer heat from the combustion unit to the object to be heated. 2. The cooking device according to claim 1, wherein the heat dispersing element is detachable. 3. The cooking device according to claim 1, wherein an infrared radiation coating is formed on the surface of the heat dispersion. 4. The cooking device according to claim 1, wherein the combustion section is a burner having a flame port directed toward the center. 5. The cooking device according to claim 1, wherein a heat disperser and a plurality of openings are provided, and the openings have an opening area varying from a central portion to an end portion. 6. The cooking device according to claim 1, wherein the thickness of the heat dispersing body changes from a central portion to an end portion. 7. The cooking device according to claim 1, wherein the heat dispersing body has a configuration in which a convex portion is provided at a peripheral end of an upper surface. 8. The cooking device according to claim 1, wherein the heat disperser is larger than the opening of the top plate and covers the opening of the top plate. 9. The heating cooker according to claim 1, wherein the heat disperser is provided with a temperature detecting means for detecting at least one of the heat disperser and the object to be heated. 10. The cooking device according to claim 1, further comprising a shape detecting means for detecting the size of the object to be heated on the heat dispersing element. 11. The cooking device according to claim 1, further comprising a weight detecting means for detecting the weight of the object to be heated in the heat dispersing element.