JP2010038444A - Air supply and exhaust device for store - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air supply and exhaust device for a store capable of efficiently discharging smoke and smell generated from cooking appliances by the minimum amount of intake air without requiring burden on both customers and employees in the store. <P>SOLUTION: An indoor side opening (1) of an exhaust duct 2 of an exhaust means is provided on the upper side of a dining room D side wall face within a kitchen K, and an indoor side air blowout port 4 of an intake duct 3 of an intake means is provided on the lower side (10) of a boundary portion between the kitchen K and the dining room D. The blowout opening 4 of the intake duct 3 is arranged toward the exhaust duct 2. Due to this configuration, an air curtain made to flow from the air blowout port 4 toward a range hood 1 is formed, and gas (smoke and oil etc.) generated by a charcoal stove O can be efficiently discharged by the minimum amount of intake air. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an air supply / exhaust device that discharges odors, smoke, oil, and the like generated from a range, a charcoal baking apparatus, and the like used in a store kitchen.

  Conventionally, in commercial kitchen rooms and household kitchens, exhaust devices such as exhaust ducts and range hoods have been used to exhaust smoke, odors, oil, etc. generated by cooking using cooking equipment and gas ranges to the outside. is set up. Especially in commercial kitchens where a large amount of smoke is generated, the exhaust capacity of the duct is large, so an intake device that introduces fresh outside air into the kitchen at the same time as exhaust is provided, and functions as an integrated supply and exhaust device There are many that are doing.

As an intake means in such an air supply / exhaust device, a method of supplying outside air from the intake duct provided on the ceiling to the entire room (Patent Document 1) or a method of supplying outside air to the floor (foot) below the range (Patent Document 1) Document 2) or a method of circulating outside air locally such as an exhaust duct or a range hood has been proposed (Patent Documents 3 and 4).
Japanese Patent Laid-Open No. 7-91707 JP 2000-283515 A Japanese Patent Laid-Open No. 5-180483 JP 7-318135 A

  By the way, in order to show customers how to cook, a restaurant (typical) that does not have a wall between the kitchen room and the dining room (counter seat) adjacent to each other, or has an opening on the wall For example, in yakitori shops, hearth grills, rice cakes, tempura, sushi restaurants, etc., smoke and odor generated in the kitchen unintentionally flow into the dining room.

  Therefore, the air supply / exhaust device as in the above-described conventional example is provided. However, the air supply / exhaust device provided with the air outlet of the intake duct on the ceiling has a large amount of outside air flowing into the room. In the case where the air outlet is provided, there is a disadvantage that the cost increases in maintaining the room temperature (cooling and heating).

  In addition, even when the outside air is locally supplied only around the exhaust duct or the range hood in the kitchen room, in the conventional method, the taken outside air is directly applied to the body of the worker (employee) who cooks around the range or the like. Therefore, this worker is also burdened with physical burdens such as fatigue.

  The present invention has been made in view of such circumstances, and has no burden on both the customers and employees in the store, and efficiently suppresses smoke and odor generated from cooking appliances with the minimum amount of intake air. It is an object to provide a store air supply / exhaust device that can be exhausted.

  In order to achieve the above object, an invention according to claim 1 is an air supply / exhaust device used in a store having an opening in a wall surface between a kitchen room and a dining room adjacent to each other, and communicates outdoors. Through the exhaust duct, the forced exhaust means that exhausts the gas generated from the cooking equipment in the kitchen room to the outside using a fan, and the intake air that introduces the air required for combustion of the cooking equipment from the outside through the intake duct that communicates from the outside And an indoor opening of the exhaust duct is provided at an upper portion of a side wall surface of the dining room in the kitchen room, and an indoor air outlet of the intake duct is provided at a boundary portion between the kitchen room and the dining room. The store air supply / exhaust device, which is disposed at a lower portion and has the air outlet opening formed toward the exhaust duct.

  The present invention relates to a kitchen air supply / exhaust device installed in a restaurant where a wall is not provided between a kitchen room and a dining room (counter seat) adjacent to each other or an opening is provided on the wall surface. By forming an air curtain that flows from the lower side toward the upper exhaust duct at the boundary between the room and the dining room, the intended purpose is achieved.

  In other words, according to the first aspect of the present invention, the indoor side opening of the exhaust duct of the exhaust means is provided at the upper part of the side wall surface of the dining room in the kitchen room, and the indoor air outlet of the intake duct of the intake means is provided in the kitchen. An air curtain that is provided at the lower portion of the boundary between the room and the dining room and that faces the exhaust duct (upward) from the outlet (lower) of the intake duct by disposing the outlet opening of the intake duct toward the exhaust duct Is formed. Moreover, since this air curtain is formed between a kitchen room and a dining room (boundary part), it can have the effect | action which winds together the gas generate | occur | produced from the cooking appliance and guides it to an exhaust duct. Therefore, the store air supply / exhaust device of the present invention has a comfortable environment and room temperature without causing gas generated from the cooking appliance to flow into the dining room side even when the kitchen room and the dining room communicate with each other through an opening or the like. Can be maintained.

  In addition, in the kitchen room, the taken-in outside air does not directly hit the body of the worker (employee) who cooks around the range or the like as in the conventional method. Can be reduced. Therefore, the store air supply / exhaust device of the present invention has no burden on both customers and employees in the store, and can efficiently exhaust smoke and odor generated from cooking equipment with the minimum required intake air amount. It becomes possible.

  Here, it is possible to suitably employ a configuration in which the intake means includes a fan for forcibly taking in outdoor air (claim 2).

  The intake means for taking in outdoor air may adopt natural intake by the negative pressure of the exhaust means, but its operation is affected by the weather, season, wind direction, etc., and there is a possibility that a stable effect cannot be exhibited. Therefore, it is desirable to provide a fan for realizing forced intake in the store air supply / exhaust device of the present invention. The operation of the fan of the intake means may be adjusted so that the intake amount is slightly smaller than the exhaust amount of the exhaust means.

  Further, a rectifying means for adjusting the direction of the flow of discharged air may be provided at the indoor air outlet of the intake duct.

  With this configuration, it is possible to finely adjust the flow rate and direction of the air curtain, which changes depending on the weather, season, wind direction, and operation of the intake means side fan. As a specific example of the rectifying means, a variable type such as a conventionally known louver or blade is desirable.

  As described above, according to the store air supply / exhaust device of the present invention, an air curtain that flows from the lower side toward the upper exhaust duct is formed at the boundary between the kitchen room and the dining room, and the gas generated from the cooking appliance is It can prevent flowing into the dining room side. Therefore, smoke and odor generated from the cooking appliance can be efficiently exhausted with a minimum amount of intake air.

  In addition, the supplied outside air does not directly hit the body, and both the customer and the employee in the store have less physical burden.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
FIG. 1 is an external perspective view showing an installation state of a store air supply / exhaust device according to an embodiment of the present invention, and FIG. 2 is a schematic cross-sectional view showing the configuration thereof.

  In the present embodiment, the store air supply / exhaust device uses a charcoal stove (oven: O) or the like in a kitchen adjacent to a counter seat (table: T and chair: C) where a visitor sits, such as a yakitori restaurant. It is installed in the restaurant that performs. A large opening is provided between the kitchen room (kitchen: K) where cooking is performed and the dining room (dining: D) serving as a guest seat.

  A charcoal stove O used for cooking is placed on the upper part of the work table 11 in the kitchen room K. The upper part of the wall on the dining room D side in the kitchen room K corresponds to the upper side of the stove O. The range hood 1 is provided. The range hood 1 exhausts combustion gas generated from a charcoal stove O, a gas range (not shown), and gas (smoke, oil, smell, etc.) generated by cooking by a fan F1 disposed therein. Forced exhaust is performed outdoors through the duct 2 (exhaust means).

  In addition, an intake duct 3 connected to a fan F2 installed outdoors is embedded in the partition wall 10 provided between the kitchen room K and the counter seat (C, T). Is provided with a room-side air outlet 4 of the intake duct 3 (intake means). The indoor air outlet 4 of the intake duct 3 is disposed almost directly below the range hood 1 and in a boundary region that partitions the kitchen room K and the dining room D.

  The store air supply / exhaust device according to the present embodiment is characterized in that an air curtain that flows from the air outlet 4 toward the range hood 1 is formed by operating the fan F1 of the range hood 1 and the fan F2 of the intake duct 3. Is a point. This air curtain fractionates the air flow between the kitchen room K and the dining room D and attracts gas (smoke, oil, etc.) generated in the charcoal stove O, and this gas is discharged from the exhaust duct 2. Has the effect of promoting

  With the above configuration, this store air supply / exhaust device can efficiently exhaust smoke and odor generated from the charcoal stove O with a minimum required intake amount. In addition, even when the kitchen room K and the dining room D communicate with each other through an opening or the like, the gas generated from the charcoal stove O does not flow into the dining room D side, and the comfortable environment and room temperature of the dining room D are maintained. It becomes possible to do.

  Further, in the kitchen room K, since the outside air taken in does not directly hit the body of the worker (employee) who cooks around the charcoal stove O or the like as in the conventional method, this worker Can also reduce physical fatigue.

  In the present embodiment, a preferred example of a store air supply / exhaust device has been described. However, the present invention is not limited to the configuration example in this embodiment, and may be changed as appropriate according to the form of the store. be able to.

  For example, the air intake means fan F2 is not necessarily provided, and natural air intake may be employed. Moreover, you may arrange | position the louver, blade | wing plate, etc. which can finely adjust the flow velocity and direction of the air to blow off at the edge part of the air blower outlet 4. FIG.

  The store air supply / exhaust device of the present invention is suitable for a store in which there is no wall between the kitchen room and the dining room (counter) or an opening is provided on the wall surface between them. In particular, it is effective in restaurants that cook while showing the state of work to customers sitting at the counter, such as yakitori, grilled oven, grilled rice, tempura, and sushi restaurants.

It is an external appearance perspective view which shows the installation state of the store air supply / exhaust apparatus in embodiment of this invention. It is a typical sectional view showing an example of composition of a store air supply / exhaust device in an embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Range hood 2 Exhaust duct 3 Intake duct 4 Air outlet 10 Partition wall 11 Worktable F1, F2 Fan O Charcoal-burning stove (cooking equipment)
K Kitchen room D Dining room T Counter table C Chair

Claims (3)

An air supply / exhaust device used in a store having an opening on a wall surface between a kitchen room and a dining room adjacent to each other,
Forced exhaust means that exhausts the gas generated from the cooking equipment in the kitchen room to the outside using a fan through the exhaust duct that communicates with the outdoors, and the air necessary for combustion of the cooking equipment from the outdoors through the intake duct that communicates from the outdoors. And an intake means to be introduced,
The indoor side opening of the exhaust duct is provided in the upper part of the side wall surface of the dining room in the kitchen room, and the indoor side air outlet of the intake duct is disposed below the boundary part of the kitchen room and the dining room. A store air supply / exhaust device, wherein an outlet opening is formed toward the exhaust duct.   The store air supply / exhaust device according to claim 1, wherein the intake means includes a fan for forcibly taking in outdoor air.   The air supply / exhaust for a store according to claim 1 or 2, wherein a rectifying means for adjusting the direction of the flow of the exhausted air is disposed at an indoor air outlet of the intake duct. apparatus.

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