JP3173549U - Smoke exhaust induction device - Google Patents

Abstract

To provide a flue gas induction device capable of efficiently collecting smoke corresponding to the position of a cooking device or appliance even in a place where ambient air flows.
An exhaust duct for discharging smoke to the outside, an exhaust fan for sucking smoke into the exhaust duct, a filter for filtering smoke sucked by the exhaust fan, and an exhaust duct are connected to the upper end. The exhaust fan and the filter 11 are installed at the suction port of the exhaust duct 12, and the hood 10 having an opening at the lower end so as to cover the heating cooking apparatus / equipment 20 disposed below, and the smoke disposed in the hood 10 The guide tube 14 is provided with support fixing portions 13 and 13a that support the lower end portion of the smoke guide tube 14 by projecting downward from the opening portion of the hood 10. The smoke guide tube 14 is supported so as to be movable right above the smoke guide tube 14 so that the lower end portion of the smoke guide tube 14 extends so as to cover the upper part of the cooking device 20 and the upper end portion thereof is arranged below the filter 11. Shape It has been.
[Selection] Figure 2

Description

  The present invention relates to a flue gas induction device that makes it possible to induce smoke generated from a cooking device such as a plurality of pottery appliances regardless of existing or newly installed equipment. This makes it possible to save electricity.

  For example, when a plurality of cooking devices and utensils such as seven wheels are used indoors, such as in a store, and hot air or oil smoke is generated from each, a hood is provided to cover the top of these cooking devices and utensils. An exhaust duct is connected to the hood. Hot air, oily smoke, etc. generated during the use of the cooking device / appliance rises due to heat convection, is collected by a hood whose upper side is closed, passes through an exhaust duct, and is exhausted outdoors.

  FIG. 3 is an explanatory diagram showing a schematic configuration of a conventional smoke exhaust device. This figure shows a state in which three cooking devices / equipment (such as seven wheels) 102 are arranged on the table top 101 at regular intervals, and cooking is performed in each cooking device / equipment 102.

  A hood 103 is disposed above the three cooking devices / equipment 102. Further, an exhaust duct 104 is connected to the upper end of the hood 103 so that hot air, oily smoke, etc. collected in the hood 103 are sucked into the exhaust duct 104. Specifically, a grease filter 105 that filters oil droplets, oil vapor, and the like is disposed at the suction port of the exhaust duct 104 formed inside the hood 103 so as to cover the suction port. Yes. Further, an exhaust fan or the like (not shown) is disposed behind the grease filter 105, that is, between the grease filter 105 and the suction port of the exhaust duct 104, so that the oil smoke / hot air that has passed through the Griffith filer 105 is disposed. Are discharged into the exhaust duct 104.

  When a plurality of cooking devices / apparatuses 102 are individually used, in order to collect smoke generated from these cooking / apparatus devices 102, a considerably large hood 103 and an exhaust amount are required. Moreover, the hot air, oil smoke, etc. which stand up from each cooking device / apparatus 102 rise and diffuse. Also, hot air, oil smoke, etc. that rises due to heat convection are easily affected by indoor air conditioning, etc., and may rise toward the outside of the hood 103. Even when a sufficiently large hood 103 is provided, It may be difficult to collect enough smoke.

  Moreover, the facing type kitchen apparatus described in Unexamined-Japanese-Patent No. 2005-304484 is equipped with the cooking appliance on the upper surface of a kitchen counter, arrange | positioned the ventilation apparatus above the cooking apparatus, and uses the cooking appliance. Sometimes the smoke guide plate is configured to rise from the inside of the kitchen counter. In this device, smoke rising from the cooking appliance is guided along the smoke guide plate to the ventilator, and the smoke flowing from the kitchen to the dining room is reduced.

Japanese Patent Laid-Open No. 2005-304484

  Since the conventional smoke evacuation device is configured as described above, when using a cooking device or appliance in a place where the air flows around the air by an air conditioner or the like, or using a plurality of cooking devices or appliances When the position is changed frequently and the position where the smoke rises is changed accordingly, hot air or oily smoke cannot be collected in the hood enough, and the hood depends on the components contained in the oily smoke etc. There was a problem that the outside and the surroundings of the door were dirty.

  The present invention has been made to solve the above-described problems, and is capable of efficiently collecting smoke corresponding to the position of the cooking device / equipment even in a place where ambient air flows. The purpose is to provide.

  The smoke induction device of the present invention includes an exhaust duct that discharges smoke to the outside, an exhaust fan that sucks smoke into the exhaust duct, a filter that filters smoke sucked into the exhaust fan, and an upper end of the exhaust duct. A hood having an opening at the lower end so as to cover the cooking device disposed below, and extending in the vertical direction of the hood. A smoke guide tube disposed in the hood to be installed, and a support for supporting the smoke guide tube at the opening portion of the hood by projecting a lower end portion of the smoke guide tube downward from the opening portion of the hood. A fixing portion, and the support fixing portion movably supports the smoke guide tube directly above the cooking device, and the smoke guiding tube has the lower end portion covering the upper portion of the cooking device. To spread and support Characterized in that the upper portion is formed to be disposed below the filter when it is supported on the tough.

  Further, the same number of smoke guide tubes as the cooking device are arranged in the hood.

  Moreover, the said support fixing | fixed part changes a support position along the up-down direction of the said smoke induction cylinder, and adjusts the distance of the said smoke induction cylinder and the said heating cooking apparatus.

  ADVANTAGE OF THE INVENTION According to this invention, the smoke which generate | occur | produces from several heating cooking apparatuses and appliances can be efficiently guide | induced in a hood, and can be discharged | emitted from an exhaust duct.

It is explanatory drawing which shows schematic structure of the flue gas guidance apparatus by the Example of this invention. It is explanatory drawing which shows schematic structure at the time of seeing the smoke exhaustion guidance apparatus of FIG. 1 from the side. It is explanatory drawing which shows schematic structure of the conventional smoke exhaust apparatus.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is an explanatory diagram showing a schematic configuration of a smoke emission guiding device according to an embodiment of the present invention. This figure shows the arrangement of each part when the smoke induction device of this embodiment is viewed from above. In FIG. 1, an exhaust duct 12 to be described later is shown in cross section.
FIG. 2 is an explanatory diagram showing a schematic configuration when the smoke emission guiding device of FIG. 1 is viewed from the side.

The hood 10 is formed by using, for example, stainless steel, and a plurality of, for example, three seven-wheel cookers that are arranged below the hood 10 as shown in FIG. It has a size that can cover all of the upper part of the cooking device 20.
The hood 10 has an opening at the lower end, and an upper end is formed so as to close the top. An exhaust duct 12 is connected to, for example, a central portion of the upper end portion. The hood 10 has an L-shaped, U-shaped, or U-shaped cross section, and is formed into a shape that can collect hot air, oil smoke, and the like that rise from below.

  A moving support member 13 that is formed of, for example, stainless steel and supports a smoke guide tube 14 described later is provided at the opening or lower end of the hood 10. The moving support member 13 extends along the longitudinal direction of the hood 10 shown in FIG. 1, and is fixed to the side surfaces forming both ends in the longitudinal direction of the hood 10 by a support member fixing portion 13a as shown in FIG. Has been. The moving support member 13 is a pipe or shaft having a relatively small diameter (for example, 25 mm diameter) made of, for example, stainless steel, or a wire cable having a low coefficient of thermal expansion. It is comprised so that it may have.

  A suction port for the exhaust duct 12 is provided inside the hood 10, and a grease filter 11 made of, for example, a nickel filter is disposed so as to cover the suction port. Further, an exhaust fan made of, for example, a sirocco fan (not shown) is disposed between the grease filter 11 and the exhaust duct 12. The exhaust duct 12 extends from the arrangement position of the hood 10 toward, for example, an outer wall (not shown), and is provided so as to exhaust hot air, smoke, and the like accumulated in the hood 10 to the outdoors.

The smoke guide tube 14 has a cylindrical shape having openings at the upper end portion and the lower end portion, and the cross-sectional shape is made of a thin plate made of stainless steel, for example, using a material having oil resistance and heat resistance. It is formed in a square or circular shape. The smoke guide tube 14 is preferably formed so that the inner diameter of the in-cylinder through hole increases downward.
As shown in FIG. 2, the lower end opening of the smoke guide tube 14 is opened so as to cover the upper side of one cooking device / equipment 20. The size can be included. Here, the cooking device / apparatus 20 is placed on an upper surface of a table top, for example, and is configured to be movable.

An attachment portion that is supported by the movement support member 13 is provided at a position above the center in the height direction of the smoke guide tube 14. The attachment portion is formed of, for example, an insertion hole through which the moving support member 13 is inserted or a hook that is hung on the moving support member 13, so that the smoke guide tube 14 can be easily moved along the moving support member 13. It is configured.
When the cooking device / equipment 20 is arranged at the position indicated by the broken line in FIG. 2, the smoke guide tube is disposed at the position indicated by the broken line in the drawing along the moving support member 13. 14 is moved and it arrange | positions just above the heating cooking apparatus and instrument 20 shown by said broken line.

When the mounting portion is supported by the movement support member 13, the smoke guide tube 14 is disposed such that the through hole in the tube of the smoke guide tube 14 extends in the vertical direction of the hood 10, that is, A smoke guide tube 14 is arranged along the vertical direction of the hood 10. In this state, the opening at the upper end of the smoke guide tube 14 is disposed in the vicinity (below) of the grease filter 11, and preferably hot air, oil smoke, or the like discharged from the opening at the upper end is directed to the grease filter 11. It is arranged to flow smoothly.
Further, when the smoke guide tube 14 is attached to the movable support member 13, the lower end portion of the smoke guide tube 14 is disposed at a height at which cooking or the like can be performed in the heating cooking apparatus / apparatus 20, and The height of the hood 10 protrudes downward from the lower opening (lower end).
The smoke guide tube 14 illustrated in FIG. 2 or the like is formed in a bowl shape. However, the smoke guide cylinder 14 is formed in a bowl shape, a funnel shape, or the like if it has a shape that easily collects and sucks hot air or smoke from below. It may be formed.

The distance between the upper end portion of the cooking device / equipment 20 and the lower end portion of the smoke induction tube 14 can be sucked from the lower end portion of the smoke induction tube 14 even if the smoke generated in the cooking device / equipment 20 shakes, In addition, the smoke guide tube 14, the moving support member 13, the support member fixing portion 13 a, and the like are configured so that the smoke guide tube 14 does not get in the way when cooking in the cooking device / apparatus 20. .
Moreover, the support member fixing | fixed part 13a with which the side surface of the food | hood 10 was equipped is comprised so that the fixed position of the movement support member 13 can be changed, for example along the up-down direction of the food | hood 10, and a heating cooking apparatus and utensil The height from 20 to the smoke guide tube 14 may be adjusted. In addition, in the attachment portion of each smoke guide tube 14, for example, a plurality of insertion holes may be arranged in the vertical direction so that the height can be adjusted when attaching to the movable support member 14.

The smoke guide cylinders 14 supported by the movable support member 13 are provided corresponding to the number of cooking devices / equipment 20 disposed below the hood 10. In the example illustrated in FIG. 2, three smoke guides are provided. A tube 14 is provided. The smoke guide tube 14 is attached so as to be movable along the movement support member 13, and is configured to be freely attached to and detached from the movement support member 13.
The number of smoke guide tubes 14 attached to the lower end of the hood 10 is not limited to the three illustrated in FIG. 2, and when a number of cooking devices / appliances 20 other than three are arranged below, A number corresponding to these, for example, the same number of smoke guide tubes 14 as the cooking device / equipment 20 is attached to the moving support member 13 so as to suck hot air, oil smoke, etc. generated from each cooking device / equipment 20. Has been. It should be noted that the smoke induction tube 14 is provided more than the cooking device / equipment 20 disposed below the hood 10 and any one of the smoke induction tubes 14 is directly above the cooking device / equipment 20 used for cooking. May be arranged.

Next, the operation will be described.
The smoke guide tube 14 is moved in the direction of the arrow shown in FIG. 2, and the smoke guide tube 14 is placed directly above each cooking device / equipment 20. When cooking is performed in the heating cooking apparatus / apparatus 20, if the exhaust fan installed behind the grease filter 11 is operated, the air in the hood 10 is sucked into the exhaust duct 12 by this exhaust fan, and accordingly Thus, the air in the cylinders of the smoke guide cylinders 20 whose upper ends are arranged in the hood 10 are also sucked into the exhaust duct 12.

  When air or the like in each smoke guide tube 14 is sucked from the upper end side in this way and the atmospheric pressure in the tube decreases, the hot air or oil smoke generated in each cooking device / equipment 20 is arranged above each. Smoke is sucked from the lower end of the smoke guide tube 14. The sucked hot air, oily smoke, and the like pass through the inside of the smoke induction tube 14 in the hood 10 due to the action of the negative pressure generated in the tube as described above and the heat convection generated in each cooking device / equipment 20. To the upper end of the gas, and is sucked into the exhaust duct 12 through the grease filter 11 and discharged to the outdoors or the like.

  As described above, according to the present embodiment, the smoke guide tube 14 protruded from the lower end portion of the hood 10 is movably supported, and is disposed right above the cooking device / equipment 20 to suck hot air, oil smoke, and the like. Therefore, even in a place where the surrounding air is flowing by an air conditioner or the like, the hot air or oil smoke rising from the heating cooking apparatus / equipment 20 can be efficiently guided into the hood 10, and the outer periphery of the hood 10 It is possible to suppress the adhesion of dirt to the surface.

In addition, since the smoke guide tube 14 can be attached and detached, and the smoke guide tube 14 is movably supported, for example, the position and number of the cooking device / equipment 20 mounted on a table top or the like. Is changed, the smoke guide tube 14 is moved according to the changed arrangement, and the number of the smoke guide tubes 14 supported by the moving support member 13 according to the number of the heating cooking apparatus / equipment 20 is changed. By changing, hot air rising from the cooking device / equipment 20 or oil smoke can be guided into the hood 10 with high efficiency.
Further, since the smoke guide tube 20 is not connected or fixed to the hood 10 or the exhaust duct 12 as described above, the smoke guide tube 20 can be easily removed and cleaned. However, the smoke guide tube 20 or the like can be provided in existing equipment (the hood 10 or the like).

  Further, since the lower end portion of the smoke guide tube 14 is widely opened and the diameter is reduced toward the upper end, the smoke generated from the cooking device / apparatus 20 is sucked into the tube even if it fluctuates. In addition, since the upper diameter is small, it is easy to generate a negative pressure in the cylinder, and even if the suction force or the exhaust amount of the exhaust fan is reduced, hot air, oil smoke, etc. can be efficiently removed. The smoke guide cylinder 14 can be sucked and guided to the upper side of the hood 10 or the exhaust duct 12, and the power consumption required for exhaust can be suppressed.

DESCRIPTION OF SYMBOLS 10 Hood 11,105 Grease filter 12 Exhaust duct 13 Movement support member 13a Support member fixing | fixed part 14 Smoke induction cylinder 20 Heating cooking apparatus and appliance 101 Table top 102 Heating cooking apparatus and appliance 103 Hood 104 Exhaust duct

Claims (3)

An exhaust duct for discharging smoke to the outside;
An exhaust fan for sucking smoke into the exhaust duct;
A filter for filtering smoke sucked into the exhaust fan;
The exhaust duct is connected to the upper end, the exhaust fan and the filter are installed at the suction port of the exhaust duct, and a hood having an opening at the lower end so as to cover the cooking device disposed below,
A smoke guide tube disposed in the hood so as to extend in the vertical direction of the hood;
A support fixing portion for projecting a lower end portion of the smoke guide tube downward from the opening portion of the hood and supporting the smoke guide tube to the opening portion of the hood;
With
The support fixing part is
The smoke guide tube is movably supported immediately above the cooking device,
The smoke guide tube is
The lower end extends so as to cover the upper part of the cooking device,
Formed so that the upper end portion is arranged below the filter when supported by the support fixing portion;
A smoke induction device characterized by that. In the hood, the same number of the smoke induction cylinders as the cooking device is arranged,
The flue gas guidance device according to claim 1 characterized by things. The support fixing part is
Changing the support position along the vertical direction of the smoke guide tube, and adjusting the distance between the smoke guide tube and the cooking device;
The flue gas induction device according to claim 1 or 2.

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