JP3684876B2 - Heater unit for kitchen counter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a heater unit for keeping warm a dish placed on a kitchen counter temporarily before serving.
[0002]
[Prior art]
Large restaurants, fast food shops, etc. have a large number of dishes, so the dishes cooked by the chefs in the kitchen are temporarily placed in a kitchen counter located between the kitchen and the guest's dining room. Waiters often serve customers' tables. Accordingly, while being placed at the kitchen counter temporarily, the food cooked by fried or baked is cooled and the “taste” drops. In other words, the quality of the dishes is reduced. In particular, if multiple customers who eat at a table order different dishes, if they try to serve different dishes at the same time, the time for the previously cooked dishes to be placed on the kitchen counter becomes longer. "Also increases.
[0003]
As described above, when the cooked food or food is cooled, the “taste” falls, so a heater unit for keeping the food or food warm is required. Conventionally, for example, a stand-type heater as shown in FIG. Units were often used. That is, the casing C in which the rod-shaped infrared radiation lamp is arranged is held by the leg portion L formed by bending two metal round bars, and the height of the lower surface of the casing C is about 300 mm. is there. And since it is also portable, it has versatility in the place of use, and it is widely used not only to keep food in the kitchen counter warm, but also to keep goods warm in the store of a side dish shop.
[0004]
[Problems to be solved by the invention]
However, when such a stand-type heater unit is used in a kitchen counter such as a large-scale restaurant or fast food shop, the position of the casing C is low, so that it is located between the kitchen counter surface and the upper wall surface of the kitchen counter. Since the leg L is located on the kitchen counter surface on which the dish is placed, the serviceability is poor and the number of dishes to be arranged is small. Moreover, since the casing C is formed of a stainless steel plate or the like, the casing C becomes hot when it is lit. However, since the hot casing C is located between the kitchen counter surface and the upper wall surface of the kitchen counter, it is easy for a cook or waiter to touch. ,There is a risk.
[0005]
For this reason, if the casing is fixed to the upper wall surface of the kitchen counter, the serviceability is improved compared to the stand-type heater unit, and the number of dishes on the kitchen counter surface increases. As the height of the casing increases, the effective height from the kitchen counter surface to the upper wall surface of the kitchen counter decreases accordingly. Further, if the height of the casing is reduced and the effective height from the kitchen counter surface to the upper wall surface of the kitchen counter is increased, the heat capacity of the casing is reduced and the temperature becomes higher at the time of lighting. In addition, the position of the infrared radiation lamp in the casing is close to the upper surface plate of the casing, and therefore the distance between the reflecting mirror and the upper surface plate of the casing is narrowed, and the temperature of the upper surface plate of the casing is particularly high due to the radiant heat from the reflecting mirror. Become. For this reason, the necessity of interposing a heat insulating material between the upper wall surface of a kitchen counter and the upper surface board of a casing arises.
[0006]
Therefore, the present invention is an installation type in which the lower surface for fixing the casing to the upper wall surface of the kitchen counter is open and has good serviceability. It is an object of the present invention to provide a highly safe kitchen counter heater unit that is unnecessary.
[0007]
[Means for Solving the Problems]
In order to achieve such an object, the invention of claim 1 includes a kitchen counter heater unit, a rod-shaped infrared radiation lamp, and a bowl-shaped reflection having a reflective surface coated with a ceramic coating to reflect the light of the infrared radiation lamp. It comprises a mirror and a box-shaped casing that surrounds the reflection mirror, the upper surface plate of which is attached to the upper wall surface of the kitchen counter , the lower surface is opened and the side surface plate is formed with vent holes .
[0008]
Further, as in the invention of claim 2, when a ceramic coating film that emits a lot of red light is provided on the circumferential surface opposite to the circumferential surface facing the reflecting surface of the reflecting mirror of the tubular bulb of the infrared radiation lamp, It is not dazzling in appearance, and you can visually feel that the food is kept warm.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be specifically described below with reference to the drawings. 1 and 2 show an embodiment of a heater unit for a kitchen counter according to the present invention. 1 and 2, a casing 10 formed of a stainless steel plate having a thickness of 1 mm is composed of a top plate 12, a pair of side plates 11 and a pair of end plates 13, and has a box shape with a bottom surface opened. ing. The length, width, and height are, for example, 500 mm × 90 mm × 40 mm, and the height is smaller than that of the conventional one, and the shape is thin. An attachment plate 14 for attaching the casing 10 to the upper wall surface of the kitchen counter is integrally connected to both ends of the top plate 12, and bolt holes 16 are formed in the attachment plate 14. That is, the heater unit for the kitchen counter of the present invention is not a stand type having legs, but is a stationary type attached to the upper wall surface of the kitchen counter. Further, the side plate 11 is formed with a long hole-shaped ventilation hole 15 in a row, and the heater unit is cooled by natural ventilation that passes through the ventilation hole 15 at the time of lighting.
[0010]
The reflection mirror 20 is also formed in a bowl shape with a stainless steel plate having a thickness of 1 mm, and a pair of fixing plates 22 formed on the side portion of the reflecting surface 21 whose cross-sectional shape is a curved surface having a large curvature are fixed to the casing 10 by fixing bolts 23. It is fixed to. That is, a hole for the fixing bolt 23 is drilled in the side plate 11 of the casing 10, and the fixing bolt 23 is inserted and fixed in this hole, but the hole for the fixing bolt 23 is not drilled, The fixing bolt 23 may be inserted and fixed to the ventilation hole 15 formed in the side plate 11, and the manufacturing process can be simplified. And the space | interval of the top part of the reflective surface 21 and the upper surface board 12 of the casing 10 is about 3 mm, and is very small.
[0011]
A ceramic coating is applied to the surface of the reflecting surface 21. The ceramic coating is obtained by coating a ceramic layer mainly composed of silica, alumina, titania, zirconia or the like with a thickness of about 20 mμ, and has excellent adhesion. Then, by applying this ceramic coating to the surface of the reflecting surface 21, the heat resistance of the reflecting mirror 20 is improved, and the surface is colored yellowish white to improve the infrared reflectance. Therefore, the temperature increase of the reflection mirror 20 is suppressed, and the temperature increase of the casing 10 is also suppressed.
[0012]
A pair of base holders 41 are attached to the inner surface end of the upper surface plate 12 of the casing 10. One lead wire of the power cord 42 is directly connected to the base holder 41, and the other lead wire is connected to the other base holder 41 via the power switch 43. The infrared radiation lamp 30 is disposed along the longitudinal direction at the center in the casing 10 with the bases 32 at both ends thereof being freely attached and detached by the base holder 41. When the power switch 43 is turned on, the infrared radiation lamp 30 is turned on. However, since the dish has a diameter of about 30 cm at the maximum, the reflected light of the reflection mirror 20 is almost 30 cm wide on the kitchen counter surface. The shape of the reflection surface 21 of the reflection mirror 20 and the position of the infrared radiation lamp 30 with respect to the reflection surface 21 are designed so as to irradiate infrared rays uniformly. Further, when the casing 10 is attached to the upper wall surface of the kitchen counter, the height thereof is about the same as the height of a human eye, so that the side plate 11 of the casing 10 is sufficiently high to cover the infrared radiation lamp 30. Thus, the light from the infrared radiation lamp 30 does not directly enter human eyes.
[0013]
The infrared radiation lamp 30 is, for example, a rod-shaped halogen lamp with a rated power consumption of 400 W and a low color temperature, and radiates light containing a large amount of infrared light. As shown by a dotted line in FIG. 2 for convenience, a ceramic coating film 33 is provided on the peripheral surface of the bulb 31 opposite to the peripheral surface facing the reflection surface 21 of the reflection mirror 20. The ceramic coating film 33 is formed by spraying a coating liquid containing ceramics mainly composed of silica and alumina, and absorbs visible light having a short wavelength out of light emitted from the infrared radiation lamp 30. And has a characteristic of emitting a lot of red light. Therefore, light containing a large amount of infrared rays radiated from the peripheral surface of the bulb facing the reflective surface 21 of the reflective mirror 20 is reflected by the reflective surface 21 and emitted downward, and the peripheral surface of the bulb 31 provided with the ceramic coating film 33. Light that contains a lot of red light emitted from the light is emitted directly downward.
In order to prevent the glare from appearing, a black ceramic coating film may be provided in place of the ceramic coating film 33 that emits a lot of red light. Can not be recognized.
[0014]
Then, as shown in FIG. 3, the casing 10 is attached to the upper wall surface U of the kitchen counter. In addition, when the width | variety of a kitchen counter is wide, the some casing 10 is attached in a column state. When the infrared radiation lamp 30 is turned on, the cooked dish is served and the dish is kept warm when the dish D is placed on the kitchen counter surface P.
[0015]
Here, the heater unit for the kitchen counter according to the present invention is a stationary type that is attached to the upper wall surface of the kitchen counter, so that the space of the kitchen counter can be effectively utilized and the serviceability is good. Since the ceramic coating is applied, the reflectance of infrared rays is high and infrared rays can be used effectively, and the temperature rise of the casing 10 and the reflection mirror 20 is suppressed. Therefore, the casing 10 can be made thin to reduce the heat capacity, and as a result, the space of the kitchen counter can be used more effectively than the conventional installation type heater unit, and the serviceability is greatly improved. Further, there is almost no danger even if the casing 10 is touched. And since the temperature rise of the upper surface plate 12 of the casing 10 is also suppressed, the upper surface plate 12 can be directly attached to the upper wall surface of the kitchen counter without interposing a heat insulating member.
[0016]
Further, if a ceramic coating film 33 that emits a lot of red light is provided on the peripheral surface opposite to the peripheral surface facing the reflecting surface 21 of the reflecting mirror 20 of the bulb of the infrared radiation lamp 30, it is not dazzling visually. There is an advantage that you can feel visually that the food is kept warm.
[0017]
【The invention's effect】
As described above, according to the heater unit for the kitchen counter of the present invention, the casing can be reduced in size, the space of the kitchen counter can be effectively used, and serviceability is improved. And there is an advantage that it is not dazzling in appearance and can visually sense that the food is kept warm.
[Brief description of the drawings]
FIG. 1A is a bottom view of an embodiment of the present invention, and FIG. 1B is a side view.
FIG. 2 is a cross-sectional view of an embodiment of the present invention.
FIG. 3 is an explanatory diagram of an installed state.
FIG. 4 is an explanatory diagram of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Casing 11 Side plate 12 Top plate 13 End plate 14 Mounting plate 15 Ventilation hole 16 Bolt hole 20 Reflection mirror 21 Reflection surface 22 Fixing plate 30 Infrared radiation lamp 31 Valve 32 Base 33 Ceramic coating film 41 Base holder 42 Power cord 43 Switch P Kitchen counter surface U Upper surface D of kitchen counter D

Claims (2)

A rod-shaped infrared radiation lamp, a bowl-shaped reflection mirror with a ceramic coating on the reflecting surface and reflecting the light of the infrared radiation lamp, and surrounding the reflection mirror, its top plate is attached to the upper wall surface of the kitchen counter , A stationary kitchen counter heater unit comprising a box-shaped casing having a lower surface opened and vent holes formed in side plates . 2. The ceramic coating film for emitting a large amount of red light is provided on a peripheral surface opposite to a peripheral surface facing a reflection surface of a reflection mirror of a tube bulb of the infrared radiation lamp. Heater unit for kitchen counter.

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