KR200418456Y1 - Kitchen Air Cleaning Hood - Google Patents

Abstract

The present invention relates to a kitchen air cleaning hood.

The present invention, in the hood installed in the kitchen (K), the intake port (11) for intake of contaminated air generated during cooking of food in the gas stove (GR), and the guide duct (13) to the intake port (11) A housing (10) having an exhaust port (12) connected to exhaust air sucked into the kitchen (K); A filter member 20 for filtering contaminants contained in contaminated air taken into the intake port 11 of the housing 10; A blowing fan (30) installed in the guide duct (13) to blow the clean air filtered by the filter member (20) to the exhaust port (12); An inlet 16 for sucking mixed air mixed with some of the clean air exhausted through the exhaust port 12 and the contaminated air diffused into the kitchen K, and an outlet connected to the inlet 11 of the housing 10. Circulating duct 15 having 17; And a circulation fan 60 which induces forced circulation by discharging the mixed air sucked into the inlet 16 of the circulation duct 15 through the outlet 17 to the inlet 11 of the housing 10.

Therefore, while forming the clean air while filtering the contaminated air generated during cooking of food in the gas stove to the filter member, while exhausting the clean air and mixed air mixed with some of the clean air and contaminated air is exhausted back to the filter member Through forced circulation to filter, there is an advantage that can create a comfortable interior space, including the kitchen and living room.

Gas stove, polluted air, filter element, blowing fan, circulation duct, circulation fan, guide plate.

Description

Air Cleaning Hood for Kitchen {HOOD}

1 is a front view according to an embodiment of the present invention.

Figure 2 is a side cross-sectional view according to an embodiment of the present invention.

3 is a cross-sectional view showing a filter member according to an embodiment of the present invention.

Figure 4 is a bottom perspective view showing a case of the filter member according to an embodiment of the present invention.

Figure 5 is a side cross-sectional view showing another embodiment of the present invention.

* Description of the Related Art *

10 housing 11 intake port

12: exhaust port 13: guide duct

15: circulation duct 16: inlet

17 outlet 19: deflector

20: filter member 21: biofilter

22: prefilter 23: impregnated activated carbon

24 HEPA filter 25 case

27: fixing bolt 28: support

30: blower fan 50: negative ion generator

60: circulation fan GR: gas stove

GP: Guide K: Kitchen

W: wall

The present invention relates to a kitchen air cleaning hood, and more particularly, to filter the contaminated air generated during food cooking in the kitchen stove equipped with a filter member to form a clean air to exhaust to the kitchen, at the same time The present invention relates to a kitchen air cleaning hood that can comfortably create an indoor space including a kitchen and a living room through a forced circulation that inhales mixed air mixed with clean air and polluted air and filters the filter air again.

In addition, the present invention relates to a kitchen air cleaning hood that can provide a convenient operation by simply installing a hood without perforating the exhaust wall for exhausting the polluted air to the outside.

As is well known, the kitchen hood is to exhaust the odor generated during cooking in the gas stove to the outside, such a conventional kitchen hood is a housing fixed to one side of the kitchen, the odor generated in the gas stove built in the housing Intake fan and the exhaust duct connected to the exhaust hole of the kitchen wall to exhaust the odor sucked by the intake fan to the outside.

The kitchen hood configured as described above inhales the odor generated during cooking of food in a gas stove to the intake fan, and the inhaled odor passes through the exhaust duct to the outside through the exhaust hole.

However, the conventional kitchen hood as described above has the following problems.

First, the odor generated during cooking of food in the gas stove is aspirated by the intake fan. The remaining odor that is not inhaled by the intake fan rises to the ceiling of the kitchen while leaving the housing, and is diffused in all directions by convection. At the same time as the ceiling of the kitchen is dirty, the smell spread in all directions not only contaminates the kitchen but also contaminates the interior of the living room adjacent to the kitchen.

Second, as mentioned above, the contaminated kitchen and living room should open the window to ventilate the room. If the room is an underground space and it is difficult to smoothly ventilate, there is a problem that it is difficult to create indoor air clean and clean only with the kitchen hood. In the case of blocking the inflow of outside air as the room is cooled and heated, there is a problem that heat loss occurs because the bet of the kitchen or living room is exhausted to the outside through the kitchen hood.

Third, the exhaust duct is connected to the exhaust hole perforated in the wall of the kitchen, the problem that the work of drilling the exhaust hole in the wall is cumbersome and inconvenient, leaks and cracks from the perforated exhaust hole, and the hood is installed in the kitchen When the exhaust duct is connected to the exhaust hole is a troublesome work.

Fourth, the indoor and outdoor air of the kitchen are distributed to each other through the exhaust hole, and the indoor air temperature of the kitchen is lost. Also, when the wind blows strongly, the outdoor air flows into the exhaust hole, thereby driving the intake fan, causing malfunctions frequently.

The object of the present invention is to solve the conventional problems as described above, by filtering the contaminated air generated during food cooking in the gas stove provided in the kitchen with a filter member to form a clean air to exhaust the kitchen In addition, through the forced circulation of the intake of the mixed air mixed with some clean air and polluted air to be filtered again to the filter member, the kitchen air cleaning hood that can create a comfortable interior space including the kitchen and living room, etc. To provide.

Another object of the present invention is to provide a kitchen air cleaning hood that can provide a convenient operation by simply installing a hood without perforating the exhaust wall to exhaust the polluted air to the outside.

In order to achieve the above object, the present invention, in the hood installed in the kitchen, the intake port for intake of contaminated air generated during food cooking in the stove, and the air inlet connected to the intake port with a guide duct to exhaust to the kitchen A housing provided with an exhaust port; A filter member for filtering contaminants contained in the contaminated air taken into the intake port of the housing; A blowing fan installed in the guide duct to blow the clean air filtered by the filter member to the exhaust port; A circulation duct having a suction inlet for mixing mixed air mixed with some of the clean air exhausted through the exhaust port and the contaminated air diffused into the kitchen, and an outlet connected to the inlet of the housing; It includes a circulation fan for inducing forced circulation by discharging the mixed air sucked into the suction port of the circulation duct through the discharge port to the inlet port of the housing.

Hereinafter, a preferred embodiment of the present invention according to the accompanying drawings in detail as follows.

First, the attached Figure 1 is a front view according to an embodiment of the present invention, Figure 2 is a side cross-sectional view according to an embodiment of the present invention, Figure 3 is a cross-sectional view showing a filter member according to an embodiment of the present invention, Figure 4 The case of the filter member according to an embodiment of the present invention is shown in a bottom perspective view.

Here, the solid arrows shown in FIGS. 1 and 2 represent contaminated air, the dotted arrow represents clean air, and the single-dot chain arrow represents mixed air.

1 to 4, the present invention has a housing 10 having a guide duct 13 connecting the inlet port 11 and the exhaust port 12, and the inlet port 11 A filter member 20 for filtering contaminated air, a blower fan 30 for blowing clean air filtered through the filter member 20 to an exhaust port 12, and a mixture of the clean air and the contaminated air. A circulating duct 15 having a suction port 16 and a discharge port 17 to suck air, and a circulation fan for inducing forced circulation by discharging the mixed air sucked into the circulation duct 15 to the inlet port 11 ( 60).

The housing 10 is fixed to the wall W of the kitchen K so as to be positioned above the stove GR, and an inlet 11 is provided at the bottom thereof to generate food from the stove GR. Intake of contaminated air In addition, an exhaust port 12 is provided at one upper side of the housing 10 to exhaust the air sucked into the intake port 11 to the kitchen K, and the intake port 11 and the exhaust port 12 are guide ducts 13. Connected to the air inlet 11 to guide the contaminated air to the exhaust port 12.

The filter member 20 is installed in the guide duct 13 to filter contaminants contained in the contaminated air taken into the inlet 11, and the filter member 20 includes a biofilter 21 and a prefilter ( 22) and the impregnated activated carbon 23 and the HEPA filter 24 are sequentially arranged as shown in FIGS. 2 and 3.

The biofilter 21 disinfects and removes pollutants contained in the contaminated air into harmless substances. The biofilter 21, which is a copper filter and aluminum having a sterilization function, is appropriately It is formed of mixed metal foam (Metal Foam) to sterilize pollutants such as odors and harmful gases.

The prefilter 22 is to primarily filter relatively large dust contained in the air sterilized by the biofilter 21, the prefilter 22 is made of a vinyl chloride (PVC Form) made of a network structure desirable.

The impregnated activated carbon 23 adsorbs and removes odors contained in the air filtered by the pre-filter 22. The impregnated activated carbon 23 has excellent adsorption capacity, so as to adsorb and remove various harmful substances.

The HEPA filter 24 is to filter the fine dust contained in the air from which the odor is removed by the impregnated activated carbon 23, the HEPA filter 24 is HEPA (High Efficiency Particulate Arrestor) formed of artificial fibers ), And the purification efficiency of the HEPA filter is widely known to remove 99.97% of particles such as dust, bacteria, and viruses greater than or equal to 0.3 micron.

Therefore, contaminants are sterilized as the contaminated air intaked through the inlet 11 passes through the biofilter 21, and the sterilized air passes through the prefilter 22, and large dust is first filtered. As the air passes through the impregnated activated carbon 23, odors are removed, and finally, through the HEPA filter 24, fine dust is secondarily filtered to form clean and clean so-called clean air.

The filter member 20 described above was installed in a chamber of 4 m 3, the standard reagent was evaporated to generate gas, stirred, and then passed through the filter member to circulate through the filter member. When expressed as a concentration (ppm) is shown in Table 1 below. Here, the measurement procedure was measured in the order of ammonia, acetaldehyde, acetic acid.

Concentration (ppm) Early 2 minutes 30 seconds 5 minutes 15 minutes 30 minutes ammonia 10.0 8.0 6.5 5.0 0.0 Acetaldehyde 15.0 9.0 7.5 5.0 3.5 Acetic acid 9.5 8.5 6.0 4.0 2.5

As shown in Table 1, it can be seen that most gases are deodorized in about 30 minutes while gas such as ammonia, acetaldehyde, acetic acid, etc. passes through the filter member.

In addition, the deodorization efficiency (%) of the filter member 20 tested according to the above conditions is shown in Table 2 below.

Deodorization efficiency (%) Early 2 minutes 30 seconds 5 minutes 15 minutes 30 minutes ammonia 10.0 20.0 35.0 50.0 100.0 Acetaldehyde 13.0 40.0 46.2 76.9 80.8 Acetic acid 9.4 10.5 34.0 59.6 91.5

As shown in Table 2, it can be seen that deodorization efficiency is excellent in about 30 minutes while gas such as ammonia, acetaldehyde, acetic acid, etc. passes through the filter member 20.

On the other hand, the filter member 20 is installed in a chamber of 4m 3, after burning five cigarettes in the chamber, the mixture is stirred for about 5 minutes and then circulated through the filter member 20 using a particle counter for 30 minutes. When monitoring the dust collecting performance of the filter member 20 through the experiment as shown in Table 3 below.

Measuring time 5 minutes unit Number of particles in chamber before test 3,253,523 Pcs / ㎥ Number of particles after measurement 1,999,549 Pcs / ㎥

As shown in Table 3, it can be seen that after 5 minutes, the number of particles in the chamber is rapidly reduced.

In addition, the removal rate (%) for each particle tested according to the conditions of Table 3 is as follows.

Particle size % Removal 0.3 μm 99.97 0.5 μm 100.00 0.7 μm 100.00 1.0 μm 100.00 2.0 μm 100.00 5.0㎛ 100.00

As shown in Table 4, it can be seen that the removal rate for each particle of the filter member 20 is also excellent.

Each component 21, 22, 23, 24 of the filter member 20 described above is accommodated in the case 25 and detachably coupled to the guide duct 13 by the coupling means C.

2 and 4, the coupling means (C) has a bolt hole (26a) is formed in the flange 26 integrally provided along the lower edge of the case 25, this bolt hole (26a) The fixing bolt 27 penetrated by the) is implemented to be screwed to the tab hole 14 formed on one side of the housing 20. Accordingly, the case 25 can be separated by releasing the fixing bolt 27 screwed to the tab hole 14.

In addition, as shown in FIGS. 2 and 3, the case 25 is connected to the top and bottom, and contaminated air sucked into the filter member 20 is guided to the guide duct 13, and a lower portion of the filter member 20 is provided. The supporting support 28 is rotatably installed by the rotary pin 28a to replace each component 21, 22, 23, 24 of the filter member 20 accommodated in the case 25. .

The blowing fan 30 is installed in the guide duct 13 to blow the clean air filtered by the filter member 20 to the exhaust port 12, the blower fan 30 is fixed to the guide duct 13 It is driven by the drive motor 40 supported by the bracket (41). And the blowing fan 30 is preferably implemented with a sirocco fan.

The negative ion generator 50 is installed in the guide duct 13 to contain negative ions in the clean air blown by the blower fan 30. The negative ion generator 50 generates good negative ions to the human body, The clean air contained is formed.

The anion generated by the anion generator 50 increases the ionization rate of calcium and sodium in the blood, thereby purifying the blood, promoting the exchange of electrical substances in the cell membrane, activating metabolism, and increasing gamma globrin in the blood. It improves resistance to disease, and regulates all internal organs, secretory organs and blood vessels of the human body, so as to function as sedation, hypnosis, restriction, appetite promotion, and fatigue recovery.

Therefore, the clean air containing the negative ions is exhausted through the exhaust port 12 to the kitchen K, thereby forming the indoor space such as the kitchen K and the living room adjacent to the kitchen in a comfortable environment.

The inlet 16 of the circulation duct 15 is connected to the outside while being adjacent to the exhaust port 12 of the housing 10, and the outlet 17 of the circulation duct 15 is connected to the inlet 11 of the housing 10. It is provided on one side of the housing 10 to be connected. The circulation duct 15 sucks the mixed air in which some of the clean air exhausted through the exhaust port 12 of the housing 10 and the contaminated air diffused into the kitchen K is sucked into the suction port 16, and the suction port ( 16, the mixed air sucked into the outlet 17 is discharged.

Here, the inlet 16 of the circulation duct 15 is provided with a filtering net (F) to filter the relatively large contaminants contained in the mixed air.

The circulation duct 15 is provided with a circulation fan 60 to discharge the mixed air sucked into the inlet 16 through the outlet 17 to the inlet 11 of the housing 10 to induce forced circulation of air. This circulation fan 60 is driven by the fan motor 70.

A guide plate GP is installed in the exhaust port 12 of the housing 10. The guide plate GP circulates while the clean air exhausted to the kitchen K is mixed with contaminated air diffused into the kitchen K. Guide to be sucked into the inlet 16 of the duct (15). That is, most of the contaminated air generated during food cooking in the gas stove GR is guided to the guide duct 13 through the intake port 11 of the housing 10, while the rest is out of the housing 10. It spreads to the upper part of the room such as the kitchen (K) and the living room adjacent to the kitchen, and the guide plate (GP) to be sucked into the suction port 16 of the circulation duct 15 while the clean air is mixed with the contaminated air diffused to the upper part of the room. ) Will guide you.

As shown in FIG. 2, the guide plate GP includes a plurality of guide plates, and the guide plate GP is rotatably installed on the exhaust port 12 of the housing 10 by a horizontal shaft pin SP. Each guide angle of air is adjusted. That is, according to the guide angle of the guide plate GP rotated by the horizontal shaft pin SP, the exhaust direction of the clean air exhausted to the kitchen K through the exhaust port 12 is guided.

Although a plurality of guide plates GP may form a constant guide angle at the same time, a plurality of guide plates GP may optionally form different guide angles. For example, as shown in FIG. 2, the guide plate GP disposed below the exhaust port 12 forms a guide angle to guide the exhaust of the clean air to the intake port 16 of the circulation duct 15, and The guide plate GP installed at an upper portion forms a guide angle to guide the exhaust of clean air to the upper portion of the kitchen K.

A deflector 19 for inducing suction of the clean air guided by the guide plate GP to the suction port 16 of the circulation duct 15 is installed in the housing 10. That is, the clean air guided to the guide plate GP is sucked into the inlet 16 of the circulation duct 15 while hitting the deflector 19. In addition, the deflector 19 blocks the contaminated air generated during food cooking in the gas stove GR directly into the suction port 16 of the circulation duct 15.

When described in detail according to the accompanying drawings the overall operating relationship of the present invention is configured as follows.

First, the polluted air generated during cooking of food in the gas stove GR is taken in through the intake port 11 of the housing 10 to pass through the filter member 20, and the biofilter 21 of the filter member 20. The contaminants contained in the contaminated air are sterilized while passing through, and the large dust is first filtered through the prefilter 22, and the odor is removed while passing through the impregnated activated carbon 23, and finally, the HEPA filter 24. As it passes through, fine dust is secondarily filtered to form clean air.

The clean air thus formed is guided to the guide duct 13 by the blowing fan 30, and the clean air guided to the guide duct 13 is exhausted to the kitchen K through the exhaust port 12. The clean air is guided to the inlet 16 of the circulation duct 15 while the guide angle exhausted by the guide plate GP is adjusted. Some of the guided clean air is contaminated with air that has diffused into the kitchen K. While being mixed, it is sucked into the suction port 16 of the circulation duct 15 in a mixed air state.

This mixed air is discharged through the outlet 17 by the circulation fan 60, thereby forming a forced circulation process to be intake again to the inlet 11 to intake contaminated air.

Accordingly, clean air formed by continuously filtering contaminated air and mixed air generated during food cooking in the gas stove GR is discharged to the kitchen K to create a comfortable environment in the kitchen K and the living room. do.

On the other hand, a part of the clean air guided by the guide plate (GP) is guided to the kitchen (K) to supply clean and clean air to the interior of the kitchen (K) and living room.

In addition, since the clean air blown by the blower 30 contains anion that is good for the human body to be exhausted to the kitchen (K), to provide a more comfortable indoor space.

On the other hand, Figure 5 is a side cross-sectional view showing another embodiment of the present invention, the adsorption plate 80 is fixed to the housing 10 by a bolt 81, the viscous material such as water or oil contained in the contaminated air The adsorption plate 80 is preferably made of glass so that the viscous material is adsorbed well, but it is clearly evident that the adsorption plate 80 may be made of another material having excellent absorption of the viscous material as necessary.

Such an adsorption plate 80 is formed in a streamline shape having a gentle curve downward as shown in FIG. 5 to induce contaminated air to be taken into the intake port 11 of the housing 10.

The foregoing descriptions are merely illustrative of one preferred embodiment, and the present invention is not limited to the above-described embodiments and can be variously modified within the scope of the appended claims.

For example, the shape and structure of each component specifically shown in the embodiment of the present invention can be modified.

As discussed above, the present invention,

First, while forming the clean air while filtering the contaminated air generated during cooking of food in the gas stove with the filter member, and exhausting the clean air and mixed air mixed with some of the clean air and contaminated air exhausted to the filter member again Through forced filtering to filter, it is a very useful design that can create a comfortable interior space, including the kitchen and living room.

Second, the present invention can make the indoor space clear and clean even when the ventilation is difficult because the indoor space is underground, and there is an effect that it can always maintain a comfortable state while preventing heat loss even when the ventilation is difficult because the indoor space is under heating and cooling. .

Third, the present invention not only induces a smooth circulation by guiding the clean air exhausted to the kitchen guide plate, but also can properly guide the clean air exhausted by adjusting a plurality of guide plates to the circulation duct or the upper part of the kitchen. Has an effect.

Fourth, the present invention can create a more comfortable indoor environment by containing negative ions in the clean air exhausted to the kitchen, there is an effect that can be easily replaced when replacing the filter by easy removal of the filter member.

Fifth, the present invention can omit the work process for drilling the exhaust hole or connecting to the exhaust hole as in the prior art, the installation is simple, the effect that can prevent the malfunction by blocking the outside air introduced through the exhaust hole Has

Sixth, the present invention has the effect that the viscous material contained in the contaminated air is adsorbed by the adsorption plate, to prevent the viscous material from being diffused into the inlet or filter member.

Claims (10)

In the hood installed in the kitchen (K), An intake port 11 for sucking contaminated air generated during cooking of food in the stove GR, and an exhaust port 12 connected to the intake port 11 with a guide duct 13 to exhaust the intake air to the kitchen K. Is provided with a housing 10; A filter member 20 for filtering contaminants contained in contaminated air taken into the intake port 11 of the housing 10; A blowing fan (30) installed in the guide duct (13) to blow the clean air filtered by the filter member (20) to the exhaust port (12); An inlet 16 for sucking mixed air mixed with some of the clean air exhausted through the exhaust port 12 and the contaminated air diffused into the kitchen K, and an outlet connected to the inlet 11 of the housing 10. Circulating duct 15 having 17; A circulation fan (60) for inducing forced circulation by discharging the mixed air sucked into the suction port (16) of the circulation duct (15) through the discharge port (17) to the inlet port (11) of the housing (10); Kitchen air cleaning hood comprising a. The method of claim 1, The housing 10 has a guide plate GP for guiding the clean air exhausted through the exhaust port 12 to be sucked into the circulation duct 15 while being mixed with the contaminated air diffused into the kitchen K. Kitchen air freshening hood. The method of claim 2, The guide plate GP is rotatably installed on the exhaust port 12 of the housing 10 by a horizontal shaft pin SP to adjust the guide angle of the clean air to be exhausted. The guide plate (GP) consists of a plurality of air cleaning hood for the kitchen, characterized in that the guide angle is adjusted to each of the horizontal shaft pin (SP). The method of claim 2, The housing 10 is a kitchen air cleaning hood, characterized in that the deflector 19 is installed to guide the clean air guided by the guide plate (GP) to the circulation duct (15). The method according to any one of claims 1 to 4, The filter member 20, A biofilter 21 for sterilizing and removing contaminated air sucked into the inlet 11 of the housing 10 into a harmless substance, and a pre-filter for firstly filtering dust of air sterilized by the biofilter 21. Hepa for second-filtering the filter 22, the impregnated activated carbon 23 which adsorbs and removes the odor of the air filtered by the prefilter 22, and the dust of the air adsorbed and removed by the impregnated activated carbon 23. Air cleaning hood for the kitchen, characterized in that it comprises a filter (24). The method of claim 5, wherein Further comprising a case 25 for receiving the filter member 20, The case 25 is a kitchen air cleaning hood, characterized in that detachably coupled to the guide duct 13, the coupling means (C). The method of claim 6, The coupling means (C), A bolt hole 26a is formed in the flange 26 provided along the edge of the case 25, and a fixing bolt 27 penetrating through the bolt hole 26a is formed at one side of the housing 10. 14) Air cleaning hood for kitchen, characterized in that screwed to. The method of claim 6, The case 25 is a kitchen air cleaning hood, characterized in that the support (28) is rotatably installed with a rotary pin (28a) so as to support the filter member 20 in a replaceable manner. The method according to claim 1 or 2, The kitchen air cleaning hood, characterized in that it further comprises an anion generator (50) for generating anion to contain anion in the clean air blown by the blowing fan (30). The method of claim 1, Kitchen air, characterized in that the suction inlet 11 of the housing 10 is provided with an adsorption plate 80 formed to guide the intake contaminated air to the inlet 11 while adsorbing the viscous material contained in the contaminated air to be intake Clean Hood.

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