KR20220008544A - Exhaust structure for eco-friendly kitchen duct - Google Patents

Abstract

The present invention relates to an exhaust structure for a kitchen duct which has an absorption device capable of maximally absorbing smoke by two fans in a duct and has a purification device purifying smoke sucked by the absorption device three times to discharge purified air to outdoor space. The exhaust structure for an eco-friendly kitchen duct comprises: a suction device sucking smoke created while cooking food in a kitchen inside a duct (D); and a purification device removing harmful components from smoke sucked by the suction device. The suction device is provided with an auxiliary fan coupled to a rotary shaft of a suction fan to rotate along with the rotary shaft. The purification device includes: a collection member having a primary filter primarily filtering sucked smoke to collect liquefied oil components or fine dust and harmful gas components; a filter member having a secondary filter to purify primarily purified smoke; and a fan member having a suction fan to suck smoke. Therefore, the suction device consisting of the suction fan and the auxiliary fan can maximally quickly suck smoke created in a kitchen to prevent the smoke from spreading to indoor space. The smoke sucked through the suction device flows into the purification device to collect oil components or fine dust and harmful gas components by three-step filtering by the primary filter, an antibacterial filter, and the secondary filter, and the smoke is maximally purified to prevent air pollution.

Description

Exhaust structure for eco-friendly kitchen duct

The present invention relates to a kitchen duct for sucking and discharging smoke generated when food is cooked in a kitchen, and more particularly, an absorption device capable of increasing smoke absorption efficiency by two fans is provided inside the duct, , It relates to an exhaust structure of an eco-friendly kitchen duct that is equipped with a purifying device that purifies the smoke sucked from the absorber three times to discharge the purified air to the outdoors.

In general, when food is cooked in the kitchen, the smell of food and various harmful gases spread to the kitchen and living room, and an unpleasant odor is permeated into the room. In order to remove this, an exhaust hood is installed above the gas stove in the kitchen.

Such an exhaust hood uses a filter for removing odors and a fan for intake of indoor air. The exhaust hood sucks air from the kitchen and discharges it to the outside, thereby removing the smell of food in the kitchen.

In the conventional exhaust hood, as shown in FIG. 1 , a partition plate 131 formed in the exhaust port 113 partially divides the polluted air sucked in from the intake port 112 by the exhaust fan 111 to form a duct 132 ) and the guide plate 135 to the outlet 141, and to discharge the exhaust air sent to the outlet 141 to the front lower side of the exhaust hood 150.

However, the conventional exhaust hood has a problem of polluting the atmosphere by absorbing various harmful gases generated during cooking and discharging them to the outside without purification.

The present invention is to solve the above problems, and the exhaust structure of an eco-friendly kitchen duct in which suction power is maximally strengthened by installing a suction device that combines an auxiliary fan that maintains a vacuum state by rotation together with a suction fan inside the duct. The purpose is to provide.

In addition, the present invention provides an exhaust structure of an eco-friendly kitchen duct that is improved to prevent air pollution by installing a purifier capable of purifying smoke sucked into the duct and discharging it to the outside, inside the duct. There is a purpose.

The exhaust structure of the eco-friendly kitchen duct according to the present invention includes a suction device for sucking smoke generated while cooking food in the kitchen inside the duct (D), and a purification device for removing harmful components from the smoke sucked by the suction device. In the exhaust structure of the kitchen duct consisting of A collecting member that collects oil components or fine dust and harmful gas components, a filter member equipped with a secondary filter to purify the primary purified smoke again, and a fan equipped with a suction fan to inhale the smoke It is characterized in that it is configured including a member.

According to the exhaust structure of the eco-friendly kitchen duct according to the present invention, it is possible to prevent the suction device comprising the suction fan and the auxiliary fan from inhaling the smoke generated in the kitchen as quickly as possible and spreading it into the room, and the smoke sucked through the suction device is introduced into the purifier, purifies it three times by the primary filter, antibacterial filter, and secondary filter, collects oil components by cooling, purifies the smoke as much as possible and discharges it to the outside, thereby preventing air pollution. have.

1 is a cross-sectional view showing a conventional exhaust hood;
2 is a cross-sectional view showing an exhaust structure of an eco-friendly kitchen duct according to the present invention;
3 is a cross-sectional view of the suction device according to the present invention;
4 is an exploded perspective view of a suction fan, an auxiliary fan, and an air guide according to the present invention;
5 is a cross-sectional view of a purification device according to the present invention;
6 is an exploded cross-sectional view of the purification device according to the present invention;
7 is a cross-sectional view showing the state of use of the suction device and the purification device according to the present invention.

A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the exhaust structure of the eco-friendly kitchen duct of the present invention includes a suction device 100 for sucking smoke generated while cooking food in the kitchen inside the duct D, and the suction device 100. It is configured to include a purifier 200 for purifying the inhaled smoke and discharging it to the outside.

The suction device 100 is provided with a cylindrical body 10 as shown in FIG. 3 , and a discharge pipe 11 for discharging the inhaled smoke to the purification device 200 is extended on the upper side of the body 10 . is formed, and the lower cover 12 is coupled to the open lower side of the main body 10 .

In this case, the discharge pipe 11 may be extended from the purification device 200 , or an independent discharge pipe 11 may be implemented in such a way that the main body 10 and the purification device 200 are connected.

The lower cover 12 is inclined so that the diameter becomes smaller toward the upper side and protrudes inside the main body 10, and the upper side of the lower cover 12 communicates with the discharge pipe 11 to transfer the smoke. (13) is combined.

A suction fan 20 is coupled to the inner upper surface of the main body 10, and the central portion of the suction fan 20 is a rotating shaft 21 that rotates together with the fan by driving the driving motor 22. This is formed to extend downward, and the front end of the rotating shaft 21 penetrates the lower cover 12 and is connected to the center of the auxiliary fan 30 , and the lower side of the auxiliary fan 30 has an air guide (Air guide). ) (40) is coupled to the lower cover (12) and forming a gap.

At this time, the end of the air guide 40 protrudes to the outside of the duct (d), and for easy cleaning, the air guide 40 and the lower cover 12 are detachably coupled by bolts or magnets. will achieve

The auxiliary fan 30 is formed in a ring shape as shown in FIG. 4 , and a shaft coupling part 31 for coupling the front end of the rotating shaft 21 is formed in the central part, and the shaft coupling part 31 is formed. A plurality of connecting portions 32 are formed radially around the ring-shaped auxiliary fan 30, and a plurality of wing portions 33 formed at right angles are formed radially at intervals on the front surface.

The auxiliary fan 30 is to further strengthen the suction power of the suction fan 20, and when the suction fan 20 and the auxiliary fan 30 rotate at the same time, the auxiliary fan ( 30), a vacuum is maintained on the front side, so that the smoke is more easily sucked in.

The air guide 40 is formed in the shape of a cone whose diameter increases toward the lower side, and a mesh 41 is coupled to the open upper central part to prevent the inflow of pests, etc., of the air guide 40 A plurality of fixing pins 42 formed at a right angle are radially formed on the upper surface, and are coupled with the air guide 12 at a distance.

On the other hand, as shown in FIG. 5, the purification device 200 includes a collecting member 50 for cooling and liquefying oil components or fine dust and harmful gas components contained in high-temperature smoke to collect and first purify, and the primary purified It consists of a filter member (60) for secondary purification by passing smoke, and a fan member (70) installed with a fan for sucking the smoke discharged from the suction device (100), and the filter member (60) The discharge pipe 11 of the suction device 100 is coupled to the upper end of the suction port 61 for sucking smoke is formed.

In particular, the collecting member 50 is configured to cool and liquefy high-temperature smoke sucked by the cooling water filled inside to collect oil components or fine dust and harmful gas components contained in the smoke, and the cooling water-filled collection A primary filter 51 made of a porous material is inserted in the upper side of the member 50 so that the inhaled smoke can pass through and contact the cooling water, and the smoke passing through the primary filter 51 is filtered by the filter member 60 . There is a technical specificity of the present invention in that the secondary filter 65 provided on the inside of the is discharged to the upper side through the secondary purification process again.

As shown in FIG. 6 , the collecting member 50 is separated from the purifying device 200 to exchange contaminated coolant when used for a long time, and the purifying device 200 and the collecting member 50 are screwed together. A detachable coupling structure is formed using a method or a hook method.

On the other hand, the upper transport pipe 62 is coupled to the inner upper end of the filter member 60, and the upper transport pipe 62 is coupled to the upper end of the lower transport pipe 64 provided with the secondary filter 65. and the lower end of the lower conveying pipe 64 is in close contact with the upper surface of the primary filter 51 .

The upper transport pipe 62 has an upper side formed in a disk shape to seal the open bottom of the fan member 70 , and an antibacterial filter 63 may be coupled to the inner side of the upper transport pipe 62 .

In an embodiment of the present invention, the primary filter 51 uses a porous urethane filter having a plurality of air holes formed therein so that the inhaled smoke can pass, and the secondary filter 65 is An activated carbon filter is used to purify the smoke from which oil components or fine dust and harmful gas components have been removed by cooling and liquefying by the cooling water below while passing through the primary filter 51, and the antibacterial filter 63 is the primary It is composed of various antibacterial materials so that the smoke that has passed through the filter 51 and the secondary filter 65 can be purified again and discharged as a clean gas.

In addition, a fan member 70 is coupled to the upper side of the filter member 60 , and a suction fan 72 is coupled to the inside of the fan member 70 to suck smoke generated during cooking, and the fan member On the upper side of the 70, an outlet 71 for discharging the smoke purified by the filter to the outside through the external discharge pipe 73 is formed in communication with the inside.

The exhaust structure of the eco-friendly kitchen duct of the present invention configured as described above is purified as smoke is sucked and moved as shown in the direction of the arrow shown in FIG. 7 . When the driving motor 22 of the suction member 100 operates, the suction fan 20 and the auxiliary fan 30 rotate at the same time, and accordingly, smoke generated in the kitchen is sucked through the air guide 40 and discharged to the purification device 200 through the discharge pipe 11 through the inside of the conveying pipe 13 do.

The smoke discharged to the purification device 200 is sucked by the suction fan 70, and the smoke introduced into the filter member 60 is primarily purified through the primary filter 51, and the lower transport pipe ( 64) is secondarily purified through the secondary filter 65, is purified thirdly through the antibacterial filter 63 again, and is discharged to the outside through the external discharge pipe (13).

In particular, the oil component or fine dust and noxious gas component contained in the smoke is cooled and extracted (liquefied) by cooling water while passing through the primary filter, and then falls and is collected by the collecting member 50 .

Therefore, the present invention can prevent the suction device 100 comprising the suction fan 20 and the auxiliary fan 30 from inhaling the smoke generated in the kitchen as quickly as possible and spreading it into the room, and through the suction device 100 The inhaled smoke flows into the purification device 200, is purified three times by the primary filter 51, the secondary filter 65, and the antibacterial filter 64, and is oiled by the cooling water of the collecting device 50 It is effective in preventing air pollution by collecting components or fine dust and harmful gas components and purifying smoke as much as possible.

10: body 11: exhaust pipe
12: lower cover 13: transfer pipe
20, 72: suction fan 21: rotation shaft
22: drive motor 30: auxiliary fan
31: shaft coupling part 32: connection part
33: wing 40: air guide
41: net 42: fixing pin
50: collecting member 51: primary filter
60: filter member 61: intake port
62: upper transfer pipe 63: antibacterial filter
64: lower transfer pipe 65: secondary filter
70: fan member 71: outlet
73: external exhaust pipe
100: suction device 200: purification device

Claims (6)

In the exhaust structure of the kitchen duct comprising a suction device for sucking smoke generated while cooking food in the kitchen inside the duct (D), and a purification device for removing harmful components from the smoke sucked by the suction device,
The suction device 100 is provided with an auxiliary fan 30 coupled to the rotation shaft 21 of the suction fan 20 and configured to rotate together,
The purification device 200 is provided with a primary filter 51 for primary purification of inhaled smoke, a collecting member 50 for collecting liquefied oil components or fine dust and harmful gas components, and the primary purified smoke Eco-friendly kitchen, characterized in that it comprises a filter member (60) equipped with a secondary filter (65) to purify again, and a fan member (70) equipped with a suction fan (72) to suck in smoke. The exhaust structure of the duct.
The method of claim 1,
The lower cover 12 is coupled to the lower side of the cylindrical body 10 provided in the suction device 100, and the transfer pipe 13 is coupled to the upper side of the lower cover 12,
The auxiliary fan 30 is coupled to the front end of the rotating shaft 21 through the lower cover 12, and the air guide 40 is spaced from the lower cover 12 at the lower side of the auxiliary fan 30. The exhaust structure of the eco-friendly kitchen duct, characterized in that it is combined.
3. The method of claim 2,
The auxiliary fan 30 has a shaft coupling part 31 to which the rotation shaft 21 is coupled, and a plurality of connection parts 32 are radially formed on the outside of the shaft coupling part 31,
The exhaust structure of the eco-friendly kitchen duct, characterized in that a plurality of wings (33) forming a right angle on the front surface of the auxiliary fan (30) are formed radially at intervals.
The method of claim 1,
A primary filter 51 made of a porous material is provided on the upper side of the collecting member 50 so that the inhaled high-temperature smoke can pass through,
Eco-friendly kitchen, characterized in that the lower side of the primary filter (51) is filled with cooling water to cool the high-temperature smoke passing through the primary filter (51) to liquefy and collect oil components or fine dust and harmful gas components. The exhaust structure of the duct.
5. The method of claim 4,
The exhaust structure of the eco-friendly kitchen duct, characterized in that the collecting member (50) is composed of a coupling structure detachable with the purification device (200) to exchange the contaminated coolant.
The method of claim 1,
The secondary filter 65 is composed of activated carbon and is coupled to the inner side of the lower transport pipe 64 , and the lower transport pipe 64 is the lower side of the upper transport pipe 62 sealing the bottom surface of the fan member 70 . The exhaust structure of the eco-friendly kitchen duct, characterized in that coupled to.

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