KR20090020437A - Hood assembly of gas range - Google Patents

Abstract

A gas range hood assembly is provided to simplify structure and reduce volume by forming respective chambers in a single housing for discharging polluted room air. A housing(15) is formed with an exhaust air inlet chamber(20) for inhaling and discharging exhaust air generated from a gas range, atmospheric air inlet/outlet chambers(60,40) mounted at both sides of the exhaust air suction chamber, and a bypass path connecting the atmospheric air inlet/outlet chambers to each other. A heat exchanger(100) has a heating path connecting the atmospheric air inlet/outlet chambers. A damper unit(70) controls atmospheric air flow from the atmospheric air inlet chambers to the bypass path. First and second blower units(35,55) respectively discharge the exhaust air and the atmospheric air.

Description

Hood assembly of gas range

The present invention relates to a gas stove hood assembly, and more particularly, to a gas stove hood assembly that can discharge the smell and smoke generated during cooking of the food to the outside, and can be supplied to the room by heating the outside air.

In general, when cooking food using a cooking stove in a general home kitchen, water or oil vapor generated from the food, exhaust gas discharged from a combustion device, and the like are discharged. In particular, hotels, restaurants, fried foods, skewers, especially restaurants that produce steam or dust containing fat or oil, generate relatively large amounts of exhaust wind. A range hood assembly is installed.

The hood hood assembly is connected to an exhaust duct installed outdoors, a hood housing extended downward, a blower fan installed between the hood housing and the exhaust duct, and the oil and dust mixed with the exhaust air in the hood housing. And a filter such as a grease filter or a grease separator for separating and removing the tar-like material.

Since the hood hood assembly has a configuration in which the hood housing is simply expanded, there is a problem in that the suction force of the blower is relatively weak so that the suction of the exhaust wind is not made smoothly.

Korean Patent Registration No. 0433065 discloses an exhaust purification apparatus. The disclosed purifier includes a main body having an exhaust port through which exhaust air is exhausted, a filter provided in the main body, cleaning means for cleaning the filter with a cleaning liquid, and moving means for moving the filter for the cleaning.

Korean Patent Utility Model No. 0211951 discloses an upper and lower exhaust type stove hood, and both suction type stove hoods are disclosed in Korean Patent Publication No. 2005-031864 to increase suction power. And patent registration No. 0497863 discloses a kitchen vortex ventilator.

The range hood or vortex ventilator disclosed above has a structure that simply sucks and discharges exhaust wind such as steam, exhaust gas, etc., including smoke, oil, etc. generated when cooking food using a gas stove in a kitchen. Since such a device is discharged together with indoor air heated in winter, there is a problem that the heating efficiency of the room is relatively lowered. In addition, the heat generated from the stove is released to the outside through the hood as it is, the energy loss is severe.

Applicant has devised a gas stove hood assembly of Korean Utility Model Registration No. 0414704 to solve this problem.

Accordingly, the present applicant has further improved the gas stove hood assembly to file a gas stove hood assembly with a simple structure.

It is an object of the present invention to provide a gas stove hood assembly capable of heating the outside air by recovering the waste heat after cooking food while having a simple structure as described above.

In order to achieve the above object, the gas stove hood assembly of the present invention includes an exhaust air suction chamber for sucking and discharging exhaust wind generated from the gas stove side, and an outside air inlet chamber and outside air discharge chambers installed at both sides of the exhaust wind suction chamber. A housing having a chamber and a bypass passage portion connecting the outside air inlet chamber and the outside air discharge chamber; A heat exchanger installed in a lower housing of the exhaust air intake chamber, the heat exchanger having a plurality of tubes for discharging exhaust air to the exhaust air intake chamber, and a heating passage connecting the outside air intake chamber and the outside air exhaust chamber; A damper unit installed in the housing of the external air inlet chamber and configured to intercept the external air flow from the external air inlet chamber to the bypass passage section; A first air blowing unit installed at an upper portion of the exhaust air suction chamber to discharge the exhaust air to the outside; A second air blowing unit installed at an upper portion of the outside air discharge chamber to discharge the outside air into the room; And a first filter unit installed on the bottom of the housing to prevent foreign substances from being sucked into the housing.

The damper unit is installed in the housing of the outside air inlet chamber, the body having a passage connecting the outside air inlet chamber and the bypass passage portion, and a rotating plate rotatably installed in the passage of the body to open and close the passage of the body And an actuator installed on the body to rotate the rotating plate.

Between the first blower unit of the exhaust blower chamber and the heat exchanger, a first porous plate that crosses the inside of the exhaust blower chamber and a lower portion of the damper unit of the blower blower chamber intersect the inside of the blower blower chamber. The second perforated plate and the third perforated plate which traverses the inside of the outside air discharge chamber are respectively installed in the lower portion of the second air blowing unit of the outside air discharge chamber, and the first perforated plate, the second perforated plate, and the third are respectively installed. The porous plate is characterized in that a plurality of through-holes are formed unevenly so that the suction force acts uniformly.

As described above, the gas stove hood assembly of the present invention provides a gas stove hood assembly having a simple structure and a small volume by dividing a space inside one housing to form respective chambers.

In addition, it is possible to create a pleasant indoor environment by discharging contaminated indoor air and introducing outdoor air, and at the same time, it is possible to prevent the indoor heating efficiency from being deteriorated in winter by heating the outdoor air using the waste heat of the gas stove and supplying it to the room. .

Hereinafter, a preferred embodiment of the hood assembly of the gas stove of the present invention with reference to the accompanying drawings in detail as follows.

The gas stove hood assembly of the present invention discharges the outside air such as steam, smoke, odors, and the exhaust gas of the stove, including the oil generated when cooking food using the stove, the outside air is generated from the stove The outside air is heated to be supplied to the room by heat, or the outside air is supplied to the room where the gas stove is installed to prevent the surrounding environment from being contaminated. An embodiment thereof is illustrated in FIGS. 1 to 6.

1 is a front view showing a gas stove hood assembly installed in a kitchen according to an embodiment of the present invention, Figure 2 is a perspective view of the gas stove hood assembly of Figure 1, Figure 3 is a bottom view of Figure 2, Figure 4 2 is a partially cutaway perspective view illustrating the inside of a housing of the gas stove hood assembly of FIG. 2, FIG. 5 is a partially cutaway perspective view illustrating a heat exchanger of the gas stove hood assembly of FIG. 2, and FIG. 6 is a gas according to another embodiment of the present invention. A perspective view showing a damper unit applied to a stove hood assembly.

1 to 5, the hood assembly 10 of the gas stove is positioned above the gas stove 5, and the exhaust air suction chamber 20, the outside air inlet chamber 60, and the outside air discharge chamber 40, A housing 15 having a bypass passage portion 90, a damper unit 70 installed inside the outside air inlet chamber 60 to control the flow of outside air, and a heat exchanger 100 for exchanging heat with the exhaust air. ).

In addition, a first air blowing unit 35 is installed inside the exhaust air suction chamber 20 to suck exhaust air and discharge it to the outside, and an internal air discharge chamber 40 is provided for supplying the introduced air to the room. The second blower unit 55 is installed, and a bottom surface of the housing 15 is provided with a first filter unit 120 for removing foreign matter from the exhaust air sucked into the exhaust air suction chamber 20.

The hood assembly 10 of the gas stove configured as described above will be described in detail for each component as follows.

The housing 20 is installed in the shelf 7 of the upper portion of the stove 5, and the inside of the housing 15 is generated from the stove 5 by the partition partitions 16, 17 and 18. An exhaust air suction chamber 20 for sucking exhaust air and discharging it to the outside, an outdoor air inflow chamber 60 for introducing outdoor air, and an outdoor air discharge chamber 40 for communicating with the outdoor air inflow chamber 60 to discharge external air ), And the introduced outside air is partitioned into a bypass passage portion 90 that passes through the outside air discharge chamber 40 without passing through the heat exchanger.

The exhaust air suction chamber 20 is installed at the center of the housing 15 to form an exhaust air suction passage closed with the outside air inlet chamber 60 and the outdoor air discharge chamber 40 located on the left and right sides. A first porous plate 23 is installed below the exhaust air suction chamber 20, and a heat exchanger 100 is mounted to the heat exchanger mounting portion 30 below the first porous plate 23.

In the first porous plate, a plurality of through holes are formed unevenly so that the suction force acts uniformly. This means that when the exhaust air is sucked from the first blower unit, the suction force acts hard on the center of the porous plate in which the inlet side of the first blower unit is located, while the suction force of the edge of the porous plate around the inlet side decreases. Therefore, the through hole is formed more densely in the perforated plate at the edge than in the center of the perforated plate so that the suction force is uniform.

In addition, a small through hole may be formed at the center of the porous plate of the first air blowing unit, and a large through hole may be formed at the edge of the porous plate to allow the suction force to act uniformly.

In addition, a second porous plate 63 is installed at a lower portion of the outside air inflow chamber 60 located at the right side of the exhaust air suction chamber 20, and a first connection passage portion 70 is disposed at the lower portion of the second porous plate 63. And a third perforated plate 43 is installed at the lower portion of the outside air discharge chamber 40 positioned on the left side of the exhaust air suction chamber 20, and a second connection passage is provided at the lower portion of the third porous plate 43. The part 50 is formed.

 The second and third porous plates are formed with a plurality of non-uniform through holes similarly to the first porous plate so that the suction force of the second blowing unit is uniformly applied. Therefore, the through hole is formed more densely at the edge of the perforated plate than at the center of the perforated plate so that the suction force is uniform.

The heat exchanger mounting portion 30 of the exhaust air suction chamber 20 and the first connection passage portion 70 of the outside air inlet chamber 60 and the second connection passage portion 50 of the outside air discharge chamber 40 are in communication with each other. Is formed.

Here, the first air blowing unit 35 is installed at the upper portion of the exhaust air suction chamber 20 to suck the exhaust air and discharge the exhaust air through the exhaust air outlet 37 formed on the upper surface of the housing 15. In addition, a second air blowing unit 55 is installed at an upper portion of the outside air discharge chamber 40 to suck the outside air and discharge the inside of the room through the outside air outlet 57 formed on the upper surface of the housing.

Sirocco fans are used for the first and second blower units 35 and 55. Although not shown, the exhaust wind outlet 37 and the outside air outlet 57 are connected by ducts. The duct may consist of a flexible corrugated pipe.

First and second communication holes 65 and 45 communicating with the bypass passage portion 90 are formed at the rear surfaces of the outside air inflow chamber 60 and the outside air discharge chamber 40.

The air inlet passage of the external air inlet chamber 60 is provided with a damper unit 70 for controlling the flow of external air to the bypass passage unit 90.

The damper unit 70 has an inner space as shown in the damper housing 71 having at least first and second outlets 73 and 74 on an outer circumferential surface thereof and rotatably installed in the inner space of the damper housing 71. And a branch drum 75 for intermittent outside air introduced through the opening 76 and a first motor 79 mounted to the damper housing 71 to forward and reverse rotation of the branch drum 75. The first outlet 74 is connected to the first communication hole 65 to communicate with the bypass passage 90, and the second outlet 73 is communicated with the outside air inlet chamber 60.

Therefore, when the branch drum 75 is rotated by the first motor 79 so that the supply port 78 of the branch drum 71 is in communication with the first discharge port 74, the outside air flows into the bypass passage 80. When the supply port 78 of the branch drum 75 is in communication with the second outlet 73, the outside air is exchanged through the first connection part 70 via the second porous plate 63 in the outdoor air inlet passage. It is distributed to the mounting part 30.

The damper unit 70 is not limited to the above-described embodiment, and may be any structure as long as the damper unit 70 can control the flow of outside air to the bypass passage portion 80.

Another embodiment of the damper unit 170 is installed in communication with the first communication hole (65) in the housing (15) of the air inlet chamber (60) and bypass passage with the air inlet chamber (60). A body 171 having a passage connecting the part 90 and a rotation plate 175 rotatably installed in the passage of the body 171 and installed in the body 171 to open and close the passage of the body 171 are provided. It has an actuator (not shown) which rotates the rotating plate 175. The actuator is installed in the actuator housing 179 installed on the outer surface of the body 171. Use a motor or the like as the actuator. Therefore, by blocking the outside air to the bypass passage portion 90 by the rotating plate 175 to close the passage of the body 171, in order to distribute the outside air to the bypass passage portion 90 by operating an actuator The passage of the body 171 may be opened by rotating the rotating plate 175. In this case, the outside air flows to the bypass passage 90 having a relatively short flow path and a small flow resistance of the outside air.

In addition, a second filter unit 80 is installed at the outside air inlet of the outside air inlet chamber 60 to remove foreign substances from the air flowing into the damper housing 71 of the damper unit 70. The second filter unit 80 includes a filter case 83 and a second filter 85 embedded in the filter case 85. One side of the filter case 83 is preferably formed to be opened and closed to couple and detach the second filter 85.

As shown in FIG. 5, the heat exchanger 100 is introduced through the first connection passage part 70 of the outside air inflow chamber 60 by using the heat of the exhaust wind generated and discharged from the gas stove 5 side. It is for heating the outside air.

The heat exchanger 100 includes a main body 103 forming a heating passage portion 105 having both sides opened, and a plurality of heat dissipation passages formed perpendicular to the main body 103 to form a heat dissipation passage partitioned from the heating passage portion 105. A tube 107.

And in order to increase the heat exchange efficiency of the air passing through the heating passage portion 105 and the tube 107, the tube 107 is provided with a heat radiation fin 109. The diameter of the tube 107 provided in the main body 103 can be adjusted in consideration of the amount of exhaust air and the air resistance of the heating passage 105.

Since the heat exchanger 100 having the above structure is mounted on the heat exchanger mounting portion 30, the exhaust air sucked from the lower part of the housing 15 is exhausted through the tube 107 of the heat exchanger 100. It is distributed through) but is not distributed to the first and second connection passages 70 and 50 located on both sides of the heat exchanger 100.

And the outside air introduced into the outside air inflow chamber 60 is distributed to the outside air inflow passage by the damper unit 70 and the heating passage portion of the main body 103 of the heat exchanger 100 through the first connection passage 70. It is distributed to the second connecting passage portion 50 of the outside air discharge chamber 40 across the 105.

At this time, the outside air passing through the heating passage 105 absorbs the heat emitted from the tube 107 through which the exhaust wind passes, and the outside air having a predetermined temperature or higher than the outside air is discharged to the room through the outside air discharge chamber 40. do.

 In addition, a first filter unit 120 is installed at an exhaust air suction opening of the exhaust air suction chamber 20 formed on the bottom surface of the housing 15 to prevent foreign substances from being sucked into the housing 15.

The first filter unit 120 is installed at the inlet side of the heat exchanger 100 to remove foreign substances from the exhaust air flowing into the tube 107 of the heat exchanger 100. A support 125 for supporting the first filter 123 is provided. Two first filter units 120 are installed side by side as shown. In addition, it can be installed as one without dividing into two, of course. It is preferable that the 1st filter 123 uses a corrosion resistant material.

The first filter unit 120 is installed to be coupled to and detached from the housing 15 for cleaning or replacement. It may have a structure in which one side is hinged or coupled to and separated from the housing 15 by a magnet. Or it may be installed in the housing 15 by fixing means such as screws. In addition, a handle 127 may be formed at one side of the first filter unit 120.

One or two illumination lamps 130 for illuminating the gas stove 5 are installed at one side of the lower surface of the housing 15. And the front surface of the lower portion of the housing 15 is provided with a button 140 for operating the lamp 130 and the blowing unit (35, 55) and the like.

Referring to the operation of the gas stove hood assembly of the present invention configured as described above by applying the damper unit of Figure 6 as follows.

First, the hood assembly 10 is operated to exhaust the exhaust wind such as smoke, oil-containing steam, and odor when cooking food using the gas stove 5 during winter heating the damper unit 170. By operating) the rotating plate 175 of the body 171 blocks the passage of the body 171 to prevent the outside air flow to the first communication hole (65).

In this state, when the first and second blower units 35 and 55 are driven, the exhaust wind generated when cooking the food using the gas stove 5 causes the first filter unit 120 installed on the bottom surface of the housing 15 to be removed. Through the inlet, the foreign matter is filtered by the first filter unit 120 and then discharged to the outside through the tube 107 and the first blower unit 35 of the heat exchanger 100.

As the second blower unit 55 is driven, outside air flows into the outside air inflow passage of the outside air inflow chamber 60 through the second filter unit 80. The introduced outside air is heated while passing through the heating passage part 105 of the heat exchanger 100 heated by waste heat and radiant heat of the gas stove 5. The heated air is supplied into the room through the second blowing unit 55 to heat the inside.

On the other hand, when the heating of the outside air introduced as in the summer season is unnecessary, by rotating the rotary plate 175 of the damper unit 170 by 90 degrees to open the passage of the body 171, the introduced outside air is bypassed with the first communication hole (65). It is supplied to the room via the second air blowing unit 55 via the path passage section 90.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments thereof are possible.

Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

1 is a front view showing a gas stove hood assembly installed in a kitchen according to an embodiment of the present invention,

FIG. 2 is a perspective view of the gas stove hood assembly of FIG. 1;

3 is a bottom view of FIG. 2,

4 is a partially cutaway perspective view illustrating the inside of a housing of the gas stove hood assembly of FIG. 2;

5 is a partially cutaway perspective view illustrating a heat exchanger of the gas stove hood assembly of FIG. 2.

6 is a perspective view illustrating a damper unit applied to a gas stove hood assembly according to another embodiment of the present invention.

<Description of reference numerals for main parts of the drawings>

15: housing 20: exhaust wind exhaust chamber

40: outside air discharge chamber 60: outside air inflow chamber

70: damper unit 80: second filter unit

90: bypass passage portion 100: heat exchanger

120: second filter unit

Claims (3)

An exhaust air suction chamber for sucking and discharging the exhaust wind generated from the gas stove side, an outside air inlet chamber and an outside air exhaust chamber provided on both sides of the exhaust air intake chamber, and connecting the outside air inlet chamber and the outside air exhaust chamber A housing in which a bypass passage portion is formed; A heat exchanger installed in a lower housing of the exhaust air intake chamber, the heat exchanger having a plurality of tubes for discharging exhaust air to the exhaust air intake chamber, and a heating passage connecting the outside air intake chamber and the outside air exhaust chamber; A damper unit installed in the housing of the external air inlet chamber and configured to intercept the external air flow from the external air inlet chamber to the bypass passage section; A first air blowing unit installed at an upper portion of the exhaust air suction chamber to discharge the exhaust air to the outside; A second air blowing unit installed at an upper portion of the outside air discharge chamber to discharge the outside air into the room; And a first filter unit installed on the bottom of the housing to prevent foreign substances from being sucked into the housing. According to claim 1, wherein the damper unit is installed in the housing of the air inlet chamber and the body having a passage connecting the outside air inlet chamber and the bypass passage portion, A rotating plate rotatably installed in the passage of the body to open and close the passage of the body; Gas stove hood assembly characterized in that it has an actuator installed in the body to rotate the rotating plate. 2. The air chamber of claim 1, further comprising: a first porous plate that crosses the interior of the exhaust air suction chamber and the first air blowing unit of the exhaust air suction chamber and the heat exchanger; A second porous plate that crosses the inside of the inlet chamber and a third porous plate that crosses the inside of the outside air discharge chamber are respectively installed in the lower portion of the second air blowing unit of the outside air discharge chamber. The gas stove hood assembly, characterized in that the plurality of through-holes are formed unevenly so that the suction force is uniformly applied to the second porous plate and the third porous plate.

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