JP3034995U - Heat shield for heating cooker - Google Patents

Abstract

(57) [Abstract] [Purpose] By effectively blocking the heat conduction path between the cooker and the pedestal such as the table on which it is mounted, by efficiently dissipating the heat from the cooker. (EN) It is possible to provide a heat shield plate for a heating cooker capable of preventing heat concentration from occurring and thereby preventing a pedestal from burning or burning to cause an accident. SOLUTION: This is composed of a pair of thin metal plates that are vertically stacked on each other, and a heat conduction layer having good heat conductivity that is sandwiched between the thin metal plates. The heat shield plate is used under the heating cooker by spreading it, blocking heat from the cooker and conducting and spreading in the plane direction by the thin metal plate and the heat conduction layer, concentrating heat at specific parts. Preventing a phenomenon from causing a local overheating condition. The heat diffused in the surface direction is diffused into the air contacting the thin metal plate.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention is designed to prevent burning or ignition of the installation surface on which the heating cooker is placed due to heat from the heating cooker such as an electric toaster, an electric oven toaster, an electric oven, an electronic range, an electronic microwave oven, etc. It also relates to heat shields for prevention.

[0002]

[Prior art]

 Due to technological advances in recent years, the safety of the heating cooker itself has been dramatically improved. On the other hand, the number of accidents resulting from the spread of cooking devices is increasing. Many of the causes of such accidents are the cases where the table on which the heating cooker was placed burned when a metal plate for the lower stage of the two-stage electric oven toaster was placed on the upper stage and burned. In addition, the product was used in a way that the manufacturer did not consider.

[0003]

[Problems to be solved by the device]

 The present invention effectively blocks the heat conduction path between the cooker and the pedestal such as a table on which the cooker is placed, and efficiently dissipates the heat from the cooker, thereby concentrating heat. It is an object of the present invention to provide a heat shield plate for a heating cooker capable of preventing the occurrence of an accident and thereby preventing an accident due to the pedestal burning or burning.

[0004]

[Means for Solving the Problems]

 The heat shield plate for a heating cooker according to the present invention has a thin plate shape and is spread on the lower side of the heating cooker. Further, it is composed of a pair of thin metal plates which are vertically stacked on each other and a heat conductive layer having good heat conductivity which is sandwiched between the thin metal plates.

The downward heat from the heating cooker is blocked by the heat shield plate, and is also conducted in the plane direction by the heat conductive layer sandwiched between the thin metal plates to diffuse and collect the heat at a specific part. Prevents localized overheating due to the heat concentration phenomenon. The heat diffused in the surface direction is diffused into the air contacting the thin metal plate.

The heat shield plate for a cooker according to the present invention is also made of aluminum plate having a thickness of about 0.2-0.6 mm, and each thin metal plate is made to have a thickness of about 0.2-0.6 mm. It is also possible to form the heat conducting layer with a layer of carbon, graphite or expanded graphite having a thickness. The aluminum plate and the carbon, graphite or expanded graphite layer are both materials with good thermal conductivity, and should be formed to a prescribed thickness at the same time as ensuring the conduction and diffusion in the plane direction. This prevents the heat capacity of the heat shield plate itself from increasing and causing a fire.

Further, the heat shield plate for the heating cooker according to the present invention is provided with each leg of the heating cooker at a position apart from the pedestal surface on which the heating cooker is placed and the bottom surface of the main body of the heating cooker by about 5 mm or more. The sheet metal sheet and the heat conductive layer are spread in the middle or formed in a generally rectangular plane shape, and each corner of the plane shape is engaged with each leg of the heating cooker via a heat insulating member. It can also be configured. By separating the pedestal surface and the heating cooker by a predetermined distance or more, a space for air flow can be secured between the pedestal surface and the heating cooker, and the heat emitted from the thin metal plate can be prevented from adversely affecting. There is. Also, by engaging and attaching to each leg of the heating cooker, the heat shield plate can be applied to the current heating cooker, and the heat conducted through the thin metal plate and the heat conduction layer is transferred by the heat insulating member. This prevents the heat from being transmitted to the legs of the cooking device and causing problems such as thermal deformation.

[0008]

[Embodiment of the invention]

 The heat shield plate 1 according to the embodiment of the present invention is used to block between the cooking device C and the pedestal T, as schematically shown in FIG. As shown in FIG. 2, the heat shield plate 1 is composed of a pair of thin metal plates 2a and 2b which are vertically stacked on each other and a heat conduction layer 3 which is sandwiched between the thin metal plates 2a and 2b. .

The thin metal plates 2a and 2b are preferably made of aluminum having good heat conductivity, and the heat conducting layer 3 is also made of carbon, graphite or expanded graphite so as to have good heat conductivity. Is preferred. The thickness of the thin metal plates 2a and 2b prevents the heat shield plate itself from accumulating heat and causing a potential factor such as fire when performing the heat radiating action described later, while the outer shape is physically And / or to avoid thermal deformation it is preferred to choose between about 0.2 and 0.6 mm. The thickness of the heat-conducting layer 3 is such that the heat applied to the thin metal plate 2a facing the cooking device C is surface-wise conducted and diffused by the heat-conducting layer 3 and is directly transmitted to the other thin metal plate 2b. It is preferable to select about 0.2 to 0.6 mm so that the above can be avoided.

The heat shield plate 1 of the present invention formed as described above blocks and receives the heat from the cooking device C (at this time, a part of the heat is reflected by the thin metal plate 2a and is absorbed in the air). Radiation is diffused), and the pedestal T is prevented from being heated. The heat transmitted to the thin metal plate 2a of the heat shield plate 1 is conducted in the surface direction by the thin metal plate 2a, and at the same time, the heat conduction layer 3 in contact with the thin metal plate 2a more positively makes the surface. Conducted in the direction. As a result, most of the heat from the cooking device C is conducted and diffused in the plane direction by the thin metal plate 2a and the heat conduction layer 3, and the temperature rise of the thin metal plate 2b is reduced by the thin metal plate 2a. It can be kept at a very low temperature compared to. The heat diffused in the plane direction is diffused into the air in contact with both thin metal plates.

Thus, the downward heat from the heating cooker C is blocked by the heat shield plate 1, and at the same time, is conducted and diffused in the plane direction by the heat conduction layer 3 sandwiched between the thin metal plates, It is possible to prevent a local overheating state from occurring due to a heat concentration phenomenon in which heat is concentrated on a fixed part.

3 and 4 are views showing a case where the heat shield plate 1 according to the embodiment of the present invention is attached to the heating cooker C. The heat shield plate 1 is a surface of a pedestal T on which the heat cooker is mounted and The heating cooker C is arranged so as to extend between the legs L of the heating cooker at positions appropriately separated from the bottom surface of the main body of the cooker. The distances D1 and D2 from the heating cooker C and the pedestal T, respectively, are at least 5 mm for the air to flow so that the space defined by the distance effectively dissipates heat from the heat shield plate 1. Experiments have shown that they need to be far apart.

The legs L of the heating cooker are usually provided in a rectangular positional relationship, so that the heat shield plate 1 is also formed into a generally rectangular planar shape. A heat insulating member 4 is preferably interposed between the heat shield plate 1 and the leg L of the cooking device. The heat insulating member 4 prevents the heat conducted through the thin metal plate and the heat conductive layer from being conducted to the legs L of the cooking device, thereby preventing the legs from being heated and causing an obstacle such as thermal deformation. doing. At the same time, by changing the size and shape of the heat insulating member 4 to be interposed, it is possible to adapt to the difference in the size and shape and the positional relationship of the leg L in the current cooking device. The range that can be adapted is, of course, obviously determined by the size and shape of the cutouts 5 provided at the corners of the heat shield plate 1, but the heat insulating member 4 becomes too large or too small, and the heat shield plate 1 becomes too small. It should be noted that the attachment of the to the cooker C does not impair stability.

The shape of the heat insulating member 4 may be any shape as long as it can perform a heat insulating action between the heat shield plate 1 and the leg L of the heating cooker and a mechanical connection therebetween. Although it can also be formed, in the illustrated case, the heat insulating member 4 is formed into a generally cylindrical shape. A receiving groove 6 for receiving and engaging the heat shield plate 1 is formed on the outer peripheral surface of the heat insulating member 4, the inner peripheral surface of which has a general outer shape of the leg L. An opening 7 similar to the shape is formed. The position of the receiving groove 6 in the height direction is provided with the separation distances D1 and D2 between the heating cooker C and the pedestal T described above when the heat shield plate 1 is received and fixed in the receiving groove 6. It will be readily understood that the selection should be made so that

The opening dimension of the opening 7 is preferably formed to be slightly smaller than the outer dimension shape of the leg L, and the taper of the peripheral wall of the opening 7 is different from that of the leg L of the heating cooker ( Preferably, it is formed to have a taper of a relatively large angle with respect to the leg L. As a result, the heat insulating member 4 can engage with the leg L and fix the two by inserting the leg L into the opening 7 from the upper end of the heat insulating member 4.

[Brief description of the drawings]

FIG. 1 is a schematic elevational view showing a usage state of a heat shield plate for a cooking device according to an embodiment of the present invention.

FIG. 2 is a partially enlarged sectional view of a heat shield plate for a heating cooker according to an embodiment of the present invention.

FIG. 3 is a partial cross-sectional elevational view schematically showing the mounting positional relationship of the heat shield plate for the heating cooker shown in FIGS. 1 and 2 to the heating cooker.

FIG. 4 is a partial cross-sectional plan view showing a mounting positional relationship between the heat shield plate for the heating cooker shown in FIG. 3 and the heating cooker.

[Explanation of symbols]

 1 Heat Shield 2a, 2b Thin Metal Plate 3 Heat Conductive Layer 4 Heat Insulating Member 5 Cutout 6 Receiving Groove 7 Opening C Heating Cooker D1, D2 Spacing Interval L Leg T Pedestal

Claims (4)

[Utility model registration claims] 1. A heat insulating plate in the form of a thin plate spread on the lower side of a heating cooker, the heat insulating plate being a pair of thin metal plates that are vertically stacked on top of each other, and between the thin metal plates. A heat shield plate for a cooker, comprising a heat conductive layer having good heat conductivity sandwiched between the heat shield plates. 2. The pair of thin metal plates are about 0.2 to 0.6.
made of an aluminum plate having a thickness of mm, the heat conducting layer having a thickness of about 0.2-0.6 mm of carbon,
The heat shield plate for a cooker according to claim 1, which is a layer of graphite or expanded graphite. 3. The heating cooker is stretched between each leg at a distance of about 5 mm or more from a pedestal surface on which the cooker is placed and a bottom surface of the main body of the cooker. The heat shield plate for a heating cooker according to 1 or 2. 4. The thin metal plate and the heat conducting layer have a generally rectangular planar shape, and each corner of the planar shape is engaged with each leg of the heating cooker via a heat insulating member. The heat shield plate for a heating cooker according to claim 3.