JPH08150084A - Heating cabinet - Google Patents

Abstract

PURPOSE: To facilitate an exchange and cleaning, etc., by providing an aluminum alloy sheet provided with an electrothermal heater without a gap on the inner side of a box main body for which a heat-resistant and heat-insulating core material is packed between an outer plate and an inner plate. CONSTITUTION: This cabinet is constituted of the box main body formed by the outer plate, the inner plate 3 and a foamed heat insulating material 4, the aluminum alloy sheet provided with the electrothermal heater 8 on the inner side of the box main body and a breaker cover 12 provided on the inner side of the aluminum alloy sheet near an opening.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a hot storage for keeping warm cooked food.

[0002]

2. Description of the Related Art Jitsukaihei 3-34447 (A47J 3
9/02), the inner plate of the far-infrared radiation aluminum alloy plate is affixed to at least the ceiling, the floor and the inner surfaces of the pair of opposing side walls of the box body in which the heat-resistant and heat-insulating core material is filled inside the outer plate. , An electric heater is attached to a part of the inner plate on the side of the core material, or an electric heater is attached to a panel of the aluminum alloy plate horizontally installed between the pair of side walls, or the ceiling and the floor. It is shown that an electric heater is additionally provided in the partition wall made of the aluminum alloy plate which is erected in between.

In addition, Japanese Utility Model Publication No. 63-55943 (A47
J 39/02) shows that a heater is provided inside the refrigerator.

[0004]

However, the above-mentioned actual Kaihei 3
-34447, the inner plate itself of the box body is made of far-infrared radiation aluminum alloy plate, and an electric heater is attached to a part of the core material side of the box body. Although the number of heaters increases, there is a drawback that when the heater is replaced, it cannot be replaced unless the box body itself is disassembled, and the replacement of the substantially electric heater is replaced with the warm storage.

The above-mentioned Japanese Utility Model Publication No. 63-55943 is
We did not devise a fixture for fixing the heater, etc., and the fixture protrudes into the refrigerator, and it falls onto food that is kept warm in the refrigerator due to vibration during transportation. There are drawbacks. An object of the present invention is to facilitate the replacement of the electric heater, which is the above-mentioned problem, and to prevent the fixture for fixing the inside of the refrigerator from falling.

[0006]

As a means for solving the above-mentioned problems, the present invention as set forth in claim 1 is a box main body in which a heat-resistant and heat-insulating core material is filled between an outer box and an inner box, Provided is a storage cabinet provided with a removable panel provided inside at least a ceiling, a floor, and a pair of opposing side walls of the box body, and an electric heater provided between the panel and the box body. To do.

According to the second aspect of the present invention, the box body is filled with a heat-resistant and heat-insulating core material between the outer box and the inner box, and the box body is provided inside at least the ceiling, the floor, and the pair of side walls facing each other. A removable panel, an electric heater attached between the panel and the box body, a fixing member for fixing the panel together with an outer box and an inner box through a breaker, and a breaker inside the fixing member. A heating cabinet provided with a cover is provided.

According to a third aspect of the present invention, the box body is filled with a heat-resistant and heat-insulating core material between the outer box and the inner box, and the box body is provided inside at least the ceiling, the floor, and a pair of opposing side walls. A removable panel, an electric heater provided between the panel and the box body, holes for fixing to the inner box at four corners of the panel provided on the ceiling and floor, and a pair of side walls. It is intended to provide a warming storage provided with a panel fixing member between a panel and an inner plate.

[0009]

According to the first aspect of the present invention, a removable panel having an electric heater attached to the box body is provided inside at least the ceiling, the floor and a pair of side walls facing each other. The electric heater can be easily replaced by removing the panel.

According to the second aspect of the present invention, when fixing the panel, the panel is fixed together with the outer box and the inner box of the box body by a fixing member via a breaker, and a breaker cover is attached to the inside of the fixing member. In addition to being able to reduce the heat leak, the fixing member can be prevented from protruding into the refrigerator. Further, in the invention of claim 3, holes for fixing to the inner box are provided at four corners of the panel provided on the ceiling and the floor, and a panel fixing member is provided between the panel attached to the pair of side walls and the inner box. By providing the fixing member so that it does not project into the cabinet, there is no unevenness in the cabinet and the operator does not get injured by the projecting member from the cabinet during cleaning, etc. In addition, it is possible to prevent the fixing member from falling into the refrigerator due to vibration during transportation.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. In each figure, reference numeral 1 is a warm storage of the present invention for keeping warm cooked food. 1 to 5, the warm storage 1 has an opening 18 formed in a front surface which is one side surface, an outer box 3 made of stainless steel, and an inner box 4 having an alumite layer formed by oxidizing the surface of aluminum. A box body 2 constituted by filling a foam heat insulating material 5 which is a heat-resistant and heat-insulating core material such as isocyanurate foam and urethane foam between both boxes 3 and 4.
A removable panel 7 inside at least the ceiling, floor, and a pair of opposing side walls of the box body 2, an electric heater 8 provided between the panel 7 and the box body, and the opening 18 Has a heat-insulating door 22 that has the same heat-insulating properties as the box body 2 and a wheel 23 for moving on the bottom surface.

As shown in FIGS. 2 and 3, the high temperature heat insulating material 9 such as glass wool and the food in the refrigerator 6 are heated inside the ceiling and floor of the inner box 4 and the pair of opposing side walls. An electric heater 8 such as a silicon heater for maintaining the temperature is maintained, and panels 7a, 7b, 7c and 7d, which are aluminum alloy plates on which the surface of aluminum is oxidized and anodized, are provided. However, in the inner plate 3 on the surface on which the panel 7 is provided, the panel 7 is the inner surface of the refrigerator, and the inner plate 3 itself is not directly exposed to the air in the refrigerator and is hardly oxidized, so that it is necessary to apply an alumite layer. It may be formed of an iron plate or the like which has no cost and is inexpensive.

Further, in order to uniformly raise the temperature in the interior 6, the electric heater 8 is denser in the lower part than in the upper part of the interior 6. When the electric heater 8 is energized, the electric heater 8 is temporarily raised to about 130 ° C., and thereafter,
It is reduced as the temperature inside the chamber 6 rises and becomes stable at about 90 to 100 ° C. The temperature inside the chamber rises with this energization, which is suitable for keeping warm food warm.
It is maintained at about 0 ° C.

As shown in FIG. 4, the panel 7a of the ceiling portion is provided with circular holes 16 at the four corners for allowing the fixing member 15 to pass therethrough, and the foam insulation material 5 side of the inner box 4 is provided. Is provided with a nut plate 14 corresponding to the circular hole 16, and is fixed to the inner box 4 together with the nut plate 14 by a fixing member 15 from below. Although not shown, the method of fixing the panel 7b on the floor is the same as the panel 7a on the ceiling, and is the upside down.

As for the method of fixing the pair of side walls to the front portions of the panels 7c and 7d, as shown in FIG.
In the vicinity, the outer box 3 is bent rearward from the front surface portion 3b to form a bent portion 3a, and the inner box 4 and the panel 7c are formed.
Are bent to the outside of the store in a staircase shape, and each of the bent portions 4a
And 7e are formed. The bent portions 3a, 4a and 7
e is fixed by a fixing member 11 such as a screw via a breaker 10 formed of silicon rubber or the like. Further, a breaker cover 12 made of stainless steel or the like is provided to prevent the fixing member 11 from directly protruding to the inner surface of the refrigerator, and together with the outer plate 3 and the door packing 13 formed of silicon rubber, It is fixed by a fixing member (not shown).

As for the fixing method at the rear part, as shown in FIG. 5, a high temperature heat insulating material 9 such as glass wool is not provided for about 100 mm at the rear ends of the pair of side wall panels 7c and 7d, and it becomes hollow. There is. If another heat insulating material is newly provided in this cavity, the heat insulating performance is further improved.
First, before attaching the pair of side wall panels 7c and 7d, a panel fixing member 17 having a Z-shaped cross section that is fixed to the inner box 4 together with the nut plate 20 is attached, and the rear end of the high temperature heat insulating material 9 is attached to the panel fixing member 17. The pair of side wall panels 7c and 7d is fixed to the panel fixing member 17 together with the shelf support 18 by the fixing member 19 in a state of being fixed to the front surface.

With the above structure, when the panel 7 should be replaced due to a failure of the electric heater 8, the panel 7 can be easily replaced by only performing the above work. Further, when fixing the panel 7, the outer box 3 and the inner box 4 of the box body 2 are fixed by the fixing member 11 via the breaker 10, and the breaker cover 12 is attached to the inside of the fixing member 11. Thereby, the heat leak can be reduced.

Further, since the fixing member 11 does not project into the chamber and has no irregularities, it is easy to perform silicon caulking to prevent water from entering the back surface of the panel 7 during production, and the fixing member etc. Can be prevented from falling into the interior 6 due to vibration during transportation.

[0019]

With the above structure, the invention of claim 1 has a structure in which a removable panel having an electric heater attached to the side of the core is provided inside at least the ceiling, the floor, and the pair of side walls facing each other. The electric heater can be easily replaced by removing the panel.

According to the second aspect of the present invention, when the panel is fixed, the panel is fixed by the fixing member together with the outer box and the inner box of the box body through the breaker, and the breaker cover is attached to the inside of the fixing member. As a result, heat leakage can be reduced and the fixing member can be prevented from protruding into the refrigerator. Further, in the invention of claim 3, holes for fixing to the inner plate are provided at four corners of the panel attached to the ceiling and the floor, and a panel fixing member is provided between the panel provided on the pair of side walls and the inner box. Since it is provided so that screws etc. do not project into the cabinet, there is no unevenness in the cabinet and the member protruding from the cabinet does not get injured during cleaning etc. In addition, it is possible to prevent the fixing member from falling into the refrigerator due to vibration during transportation.

[Brief description of drawings]

FIG. 1 is a perspective view of a heating cabinet.

FIG. 2 is a divided view of a heater panel.

FIG. 3 is a front sectional view of a heater panel on a side wall.

FIG. 4 is a sectional view of a heater panel on the ceiling.

FIG. 5 is a rear sectional view of a heater panel on a side wall.

[Explanation of symbols]

 1 Heat Storage 2 Box Main Body 3 Outer Box 4 Inner Box 5 Insulation Material 6 Opening 7 Heater Panel 8 Electric Heater 9 High Temperature Insulation Material 11 Fixing Member 12 Breaker Cover 17 Heater Panel Fixing Member

Claims (3)

[Claims] 1. A box body in which a heat-resistant and heat-insulating core material is filled between an outer box and an inner box, and at least a ceiling, a floor, and a pair of side walls facing each other, which are provided inside each box and are removable. A storage cabinet provided with a panel and an electric heater provided between the panel and the box body. 2. A box body in which a heat-resistant and heat-insulating core material is filled between an outer box and an inner box, and at least a ceiling, a floor, and a pair of side walls facing each other, which are provided inside the box and are removable. A panel, an electric heater attached between the panel and the box body, a fixing member for fixing the panel together with an outer box and an inner box via a breaker, and a breaker cover inside the fixing member are provided. A hot storage characterized by that. 3. A box main body in which a heat-resistant and heat-insulating core material is filled between an outer box and an inner box, and at least a ceiling, a floor, and a pair of side walls facing each other, which are provided inside each box and are removable. A panel, an electric heater provided between the panel and the box body, holes for fixing to the inner box at four corners of the panel provided on the ceiling and floor, and a panel provided on the pair of side walls. A warm storage characterized in that a panel fixing member is provided between the plate and the plate.