JPH07286744A - Air cleaner with air curtain - Google Patents

Abstract

PURPOSE:To obtain an air cleaner with an air curtain which does not emit smoke, odor, etc., of tobacco by surrounding a space with the curtain, and setting an exhaust air amount from an air exhaust port to a value larger than the air amount entrained from an exterior of the space by the curtain. CONSTITUTION:An air cleaner body 2 has one or more air diffusers 7 for forming an air curtain 6 covering a space 5, an air suction port 8 for sucking the air in the space 5, an air exhaust port 9 for exhausting the air out of the space 5, and an air cleaner 10 and a blower 11 provided in the body 2 disposed between the port 8, the diffusers 7 and the port 9. The blower 11 sucks the air from the port 8 to clean it by the cleaner 10, diffuses part of the cleaned air from the diffusers 7 to form the curtain 6 of a set length and to exhaust the residual clean air whose amount is set larger than the air amount entrained out of the space 6 by the curtain 6 from the port 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to be installed on a floor or a ceiling of a place where a room or the like is installed, to enclose a certain space with an air curtain, and to air-condition the space to make it a smoking area or the like. The present invention relates to an air cleaning device with an air curtain.

[0002]

2. Description of the Related Art As a method of partitioning a part of a room to make it into a smoking area, a tea room, etc., a stand is often used. At this time, simply using a conventional stand to make a smoking place or the like causes smoke or smell of cigarettes to directly flow out to other places, or conversely, to flow into the smoking place or the like. Therefore, in order to eliminate the above-mentioned adverse effects, the applicant of the present invention has made a stand with an air curtain (Actual Kaihei 1-11).
No. 4874), an air purifier, and a stand with an air curtain (Japanese Patent Laid-Open No. 2-45014).

According to the applicant of the present invention, there is a stand body having an air outlet in the upper part and an air inlet in the lower part, and a fan is provided inside the stand body. . In this conventional example, an air curtain can be formed in the upper part of the stand body, and a space surrounding a part of the room is formed by the air curtain and the stand body. It will not be discharged.

According to the applicant of the present invention, an air outlet for forming an upward air curtain is provided on the upper part of the standing body, and an air suction port and an air are formed on one and opposite surfaces of the standing body. Each air outlet is further provided, an air purifier and an air blower are respectively provided between the air outlet and the air outlet and the air intake, and the amount of air exhausted from the air outlet on the downstream side of the air blower in the stand main body is further increased. It is provided with an air volume adjusting device. Then, when the air is discharged from the air discharge port, the amount of the discharge is adjusted to be larger than the amount of the air caught from the outside of the space by the air curtain by the air volume adjuster, and the inside of the space is set to the negative pressure state. It keeps the contaminated air in the space from flowing out and keeps it clean.

[0005]

However, in the above-mentioned example, in order to partition a part of the room and make the place into a smoking area or the like, it is essential to install a stand, The room will be divided into smaller parts, and the visibility will be worsened or a feeling of pressure will be given, which causes inconvenience, for example, in a hotel lobby. In addition, if the ceiling is relatively high, it may be possible to install a rather tall stand, which not only enhances the above inconveniences, but also causes the stand to be damaged by earthquakes or wind. Therefore, new measures are required to prevent it from falling.

[0006] Therefore, the present invention has been improved by removing the inconveniences of the conventional example by the present applicant, and is an apparatus integrated in an installation place without dividing a room or the like into small sections or impairing the visibility. It is an object of the present invention to provide an air purifying device with an air curtain that separates a certain space in an air-conditioning manner only by installing the air conditioner and does not let out smoke or odor of cigarettes.

[0007]

In order to solve the above problems, an air cleaning apparatus with an air curtain of the present invention is provided with one or more air outlets for forming an air curtain surrounding a certain space in the apparatus body. The apparatus body is provided with an air suction port for sucking air in the space and an air discharge port for discharging air to the outside of the space, and is located between the air suction port and the air outlet and the air discharge port. An air purifier and a blower are provided in the main body of the device to form an integral structure, the space is surrounded by the air curtain, and the amount of air discharged from the air outlet is taken in by the air curtain from the outside of the space. The amount of air is set to be larger than that of the air, and it is preferable that legs are attached to the device body and the device body is supported by the legs on the installation surface. Attach the hanger to the apparatus main body may be installed hanging the device body at hanger to location.

Further, the apparatus body is provided with one or more air outlets for forming an air curtain surrounding a certain space,
The device body is provided with an air circulation suction port for sucking air in the space, and a blower is provided in the device body located between the air outlet and the air circulation suction port, and the device body is provided. An air suction port for sucking air in the space and an air discharge port for discharging air to the outside of the space are provided, and an air purifier is provided in the apparatus main body located between the air suction port and the air discharge port. And an air exhauster, the space is surrounded by the air curtain, and the amount of air discharged from the air outlet is set to be larger than the amount of air taken in from outside the space by the air curtain. .

[0009]

According to the air cleaning device with an air curtain having the above structure, the air cleaning device with an integrated air curtain is installed at an installation place such as a floor or a ceiling, and the blower of the main body of the device is operated so that the air blowing port Air is blown to form an air curtain, which encloses a certain space, at the same time sucks air from the air suction port in this space, cleans it with an air purifier, and discharges it from the air discharge port to the outside of the space. However, since the amount of air discharged from the air discharge port of this clean air is made larger than the amount of air taken in from the outside of the space by the air curtain, the inside of the space is in a negative pressure state, and the contaminants in this space are Keeps the inside and outside of the space in a clean state without flowing out of the space.

If the main body of the apparatus can be supported by the legs, it can be installed indoors or outdoors, and the above-mentioned operation can be performed. Further, if the apparatus main body can be installed by a hanging tool, it can be installed indoors or outdoors as long as there is something that can support the hanging tool, and the above-mentioned operation can be performed.

Further, another integrated air purifying device with an air curtain is installed at the installation location, the blower of the main body of the device is operated, the air is sucked through the air circulation inlet, and the air is blown out through the air outlet. To form
Enclose a certain space with this air curtain, further operate the air blower of the device main body, suck air from the air suction port in the space and clean it with an air purifier and discharge it from the air discharge port to the outside, Since the amount of air discharged from the air discharge port of the clean air blower is set to be larger than the amount of air drawn from the outside of the space by the air curtain, the inside of the space is always in a negative pressure state, It keeps the inside and outside of the space clean without letting out the pollutants in the space.

[0012]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a perspective view of an air cleaning device with an air curtain according to the present invention, and FIG. 2 is a longitudinal sectional view showing an air cleaning device with an air curtain and the flow of air.

In the figure, reference numeral 1 denotes an air cleaning device with an air curtain.
Has a leg 3 attached to the apparatus body 2 and can be installed on a floor 4 which is an installation surface. The apparatus main body 2 is provided with one or more air outlets 7 for forming an air curtain 6 surrounding the fixed space 5, and the apparatus main body 2 further has an air suction port 8 and a space for sucking the air in the space 5. 5. An air outlet 9 for discharging air is provided outside the air cleaner 5, and an air cleaner 10 and a blower 11 are provided in the apparatus body 2 located between the air inlet 8 and the air outlet 7 and the air outlet 9.
Is provided to form an integrated structure.

Although the apparatus main body 2 has a rectangular plate shape in the embodiment, it may have a circular shape, an elliptical shape, a square shape or the like without any limitation. Although the four legs 3 are provided in the rectangular corners in the embodiment, one leg 3 may be provided in the central portion as long as it can support the apparatus main body 2. There is no limit. Also, leg 3
Instead of the above, the main body 2 of the apparatus may be installed on the ceiling or other installation object by the hanging tool 12.

The air outlet 7 is provided on the lower surface of the apparatus main body 2 to form the air curtain 6, and the air curtain 6 and other elements such as the apparatus main body 2, the floor 4, and the wall surface described later. The shape is not limited as long as it forms a constant space 5 surrounded by 20 or the like. The air outlet 7 may be a slender rectangular shape, a plurality of holes may be arranged, or a plurality of nozzles may be arranged.

The air suction port 8 is provided on the lower surface of the apparatus main body 2 inside the air blowout port 7, and the air curtain 6
The air in the space 5 surrounded by is sucked in, and a plurality of them are provided. The air outlets 9 are provided on the four side surfaces of the apparatus main body 2 and discharge the air sucked from the air inlets 8 to the outside of the space 5. The air outlet 9 may be provided on the upper surface instead of the four side surfaces of the apparatus body 2, or may be provided on both the four side surfaces and the upper surface.

The blower 11 sucks the air in the space 5 from the air suction port 8 and cleans it by the air purifier 10, and blows out a part of the clean air from the air blowing port 7 to the air curtain 6 of a set length. And the remaining clean air set to be larger than the amount of air taken in from the outside of the space 5 by the above-mentioned air curtain 6 (hereinafter referred to as the external entrained air amount Q) from the air discharge port 9. The space 5 is in a negative pressure state.

The amount of air blown from the blower 11 is distributed to the air outlet 7 and the air outlet 9 under the above-mentioned conditions by an airflow regulator (not shown) such as a damper.

The air volume Q _F of the blower 11 is usually calculated by the following equation. Qt = 0.55 (H / W ₀ ) ^1/2 Q ₀ ……………… (1) Q = ^1/2 (Qt−Q ₀ ) ……………… (2) Therefore, QF = (Q _o + Q) α ……………… (3) However, Qt = air volume of the air curtain reaching the floor [m ³ / mi
n] H = Distance from device body to floor [m] W ₀ = Width of air outlet for blowing air curtain [m] Q ₀ = Air curtain air volume [m ³ / min] Q = External entrainment air volume [m] ³ / min] α = safety factor The type of the blower 11 is not particularly limited. The air purifier 10 is also not particularly limited, and may be a filter or an electric dust collector.

Next, a method of using the air cleaning device 1 with an air curtain having the above-mentioned structure will be described. First, according to the shape and size of the space 5 to be formed, the air cleaning device 1 with an air curtain having a size suitable for them is selected and prepared. Then, the air cleaning device 1 with an air curtain prepared at the installation location is installed by the legs 3 or the hangings 12. Next, the blower 11 is operated, and an air volume adjuster (not shown) is adjusted so as to satisfy the amount of air discharged from each of the air outlet 7 and the air outlet 9. Therefore, when the blower 11 operates, air enters through the air suction port 8 and becomes clean air by the air cleaner 10, and a part of the clean air blows out from the air outlet 7 to form the air curtain 6. The space is formed by being surrounded by the air curtain 6, and the air circulates. At this time, the air curtain 6 draws in air from the outside of the space 5 to increase the air volume.

The remaining clean air is discharged from the air discharge port 9 outside the space 5. At this time, the amount of discharged air is set to be larger than the amount Q of the externally entrained air, so that the space 5 exhibits a negative pressure state. Therefore, even if a cigarette is sucked in the negative pressure space 5, the smoke does not leak from the space 5 to the outside through the air suction port 8 and is discharged to the outside by the air cleaner 10 as clean air. . Therefore, according to the air purifying apparatus 1 with an air curtain of the present invention, a constant space can be surrounded by the air curtain 6,
Moreover, since the space 5 having a stable negative pressure is formed and the smoke is cleaned in the space 5 without leaking to the outside of the space 5, the environment inside and outside the space 5 is improved. It becomes possible to keep.

FIGS. 3, 4 and 5 show another embodiment of the present invention. The difference between this air cleaning device with an air curtain 1a and the embodiment shown in FIGS. When the apparatus main body 2 is installed by means of the wall surface 20, there is no need for an air curtain, so the air outlet 7 at that position is omitted. For other configurations and operations, see FIG.
Since it is the same as the second embodiment, the reference numerals are attached to the drawings and the description thereof is omitted.

FIG. 6 shows another embodiment of the present invention.
The difference between the air cleaning device 1b with an air curtain and the embodiment shown in FIGS. 1 and 2 is that the blower air of the blower 11 is not divided into the air outlet 7 and the air outlet 9,
b is provided with an air circulation suction port 21, and the air circulation suction port 21 is
The air blower 22 is newly installed between the air blower 7 and the air outlet 7, and an exhaust fan 23 is provided instead of the blower 11. The other structure is similar to that of the embodiment shown in FIGS.

The air cleaning device 1b with an air curtain is installed according to the shape and size of the space 5 to be formed as shown in FIG. 6, and the space 5 is surrounded by the generated air curtain 6. This is the same as the case of the embodiment of FIGS. Next, each blower 22 and exhaust fan 23
When is operated, air enters from the air circulation suction port 21,
Air blows out from the air outlet 7 to form the air curtain 6. Space 5 surrounded by this air curtain 6
And the air circulates. At this time, the air curtain 6
Entrains air (externally entrained air volume Q) from the outside of the space 5. On the other hand, air is introduced from the air suction port 8 by the air exhaust unit 23 to become clean air by the air purifier 10 and the air exhaust port 9
The amount of discharged air is set to be larger than the amount of the externally entrained airflow Q, so that the space 5 is in a negative pressure state, as in the embodiment of FIGS.

[0025]

As described in detail above, according to the present invention,
Even if there is no obstruction such as raising a part of the room, by installing an integrated air purifier with an air curtain, the space enclosed by the air curtain can always be kept in a negative pressure state. Yes, it does not let out pollutants such as cigarette smoke in this space. Therefore, just by installing an integrated air purifying device with an air curtain both indoors and outdoors, there is no feeling of pressure without dividing the room into small sections or installing obstacles such as standing up parts of the room. You can use the space surrounded by the air curtain for smoking areas, etc., while maintaining good visibility.

If the main body of the apparatus can be supported by the legs, it can be installed very easily indoors or outdoors, and the space surrounded by the air curtain can be used in the same manner as described above.

Further, if the apparatus main body can be installed by a suspending tool, it can be installed both indoors and outdoors as long as the suspending tool can be supported, and the same effect as described above can be obtained.

Further, when the blower forming the air curtain and the blower for cleaning the air and discharging the air out of the space are separated from each other, the pressure loss is smaller than that in the case where the air amount is adjusted by an air amount adjusting device such as a damper. Power efficiency is good as a whole.

[Brief description of drawings]

FIG. 1 is a perspective view of an air cleaning device with an air curtain according to the present invention.

FIG. 2 is a vertical cross-sectional view showing an air cleaning device with an air curtain and the flow of air therein.

FIG. 3 is a vertical sectional view of the same shape as FIG. 2 showing another embodiment.

FIG. 4 is a plan view showing a state in which another embodiment is arranged.

FIG. 5 is a plan view showing a state in which another embodiment is arranged.

FIG. 6 is a vertical cross-sectional view similar to FIG. 2 showing another embodiment.

[Explanation of symbols]

1, 1a, 1b Air purifier with air curtain 2, 2a, 2b Device body 3 legs 4 Floor 5 Space 6 Air curtain 7 Air blowout port 8 Air suction port 9 Air discharge port 10 Air purifier 11, 22 Blower 12 Hanging device 21 Air circulation inlet 23 Air blower

Claims (4)

[Claims] 1. An apparatus main body is provided with one or more air outlets for forming an air curtain that surrounds a certain space, and the apparatus main body is provided with an air suction port for sucking air in the space and air outside the space. Along with providing an air outlet for discharging, an air cleaner and a blower are provided in the apparatus main body located between the air inlet, the air outlet, and the air outlet to form an integrated structure, An air purifying apparatus with an air curtain, which is surrounded by the air curtain, and the amount of air discharged from the air outlet is set to be larger than the amount of air taken in from outside the space by the air curtain. 2. The air cleaning apparatus with an air curtain according to claim 1, wherein legs are attached to the apparatus body, and the apparatus body is supported on the installation surface by the legs. 3. The air purifying apparatus with an air curtain according to claim 1, wherein a suspending tool is attached to the apparatus main body, and the apparatus main body is suspended and installed at the installation location with the suspending tool. 4. The apparatus main body is provided with one or more air outlets for forming an air curtain surrounding a certain space, and the apparatus main body is provided with an air circulation inlet for sucking air in the space, An air blower is provided in the device body located between the air outlet and the air circulation suction port, and the device body has an air suction port for sucking air in the space and an air exhaust for discharging air to the outside of the space. In addition to providing an outlet, an air purifier and a blower are provided in the main body of the apparatus located between the air suction port and the air discharge port, the space is surrounded by the air curtain, and the air discharge is performed. An air purifying device with an air curtain, wherein an amount of air discharged from an outlet is set to be larger than an amount of air taken in from outside the space by the air curtain.