JP2002228213A - Air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air cleaner in which air cleaning can be performed efficiently using the entire region of a HEPA filter while suppressing the feeling of air flow. SOLUTION: The air cleaner comprises a machine chamber 4 containing a fan and an air cleaning chamber 5 containing a filter formed in an enclosure case 1 wherein the fan comprises a centrifugal fan 7 having an air supply opening over the substantially entire region of the outer circumferential part and the enclosure case 1 has an air outlet 31 extending in the circumferential direction in correspondence with the air supply opening 26A of the centrifugal fan 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifier including a machine room including a blower and an air purifying room.

[0002]

2. Description of the Related Art In general, there is known an air purifier including a machine room in which a blower is housed in an outer case and an air purifying room in which a filter is housed. This type is generally provided with a horizontally elongated air outlet at the top of the outer case.

[0003]

However, in the conventional configuration, the area of the horizontally long air outlet cannot be made large, and the wind speed from this outlet becomes large, creating a sense of airflow and causing unpleasant effects. There is a problem of giving.

When a HEPA filter is arranged in the air purifying chamber, air cannot be sent equally to the whole area of the HEPA filter, and the air is sent to any part of the HEPA filter unevenly. There is a problem that it is not possible to perform air cleaning using the same.

[0005] Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art, suppress air sensation, and achieve HEPA.
An object of the present invention is to provide an air purifier capable of efficiently performing air cleaning using the entire area of a filter.

[0006]

According to the first aspect of the present invention,
In an air purifier having a machine room in which a blower is stored in an outer case and an air purifying room in which a filter is stored,
The blower is constituted by a centrifugal blower having a blower opening in almost the entire outer peripheral portion, and the outer case is formed with an air outlet extending in a circumferential direction corresponding to the blower opening of the centrifugal blower. Is what you do.

[0007] In the present invention, since the outer case is provided with an air outlet extending in the circumferential direction corresponding to the air outlet of the centrifugal blower, a large area of the air outlet can be ensured, and the air can be blown by that much. The wind speed from the outlet decreases, and the sense of airflow is suppressed.

According to a second aspect of the present invention, in the first aspect, the machine room and the air purifying room are arranged in two upper and lower stages.

In the present invention, since the machine room and the air purifying chamber are arranged in two stages, the installation space for the air purifier is reduced.

According to a third aspect of the present invention, there is provided an air purifier having a machine room accommodating a blower in an outer case and an air purifying room accommodating a filter, wherein a HEPA filter is disposed in the air purifying room. A hood for sending air equally to almost the entire area of the HEPA filter is provided.

In the present invention, since a hood is provided, H
Air is sent equally to almost the entire area of the EPA filter,
The entire area of the PA filter can be used equally to efficiently perform air cleaning.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows an air purifier according to one embodiment of the present invention. In FIG. 1, reference numeral 1 denotes an outer case, and the outer case 1 has a shape such as a box shape. The interior of the outer case 1 is partitioned by a partition plate 3, an air purification chamber 5 is provided below the partition plate 3, and a machine room 4 is provided above the partition plate 3.

A fixing plate 27 is provided on the bottom of the outer case 1.
Has been fixed. The fixed plate 27 has casters 24
And a caster 24 which is a roller whose direction can be adjusted is fixed with screws or the like.

As shown in FIG. 2, a suction port 5a is formed in the outer case 1 surrounding the air purifying chamber 5.
The suction port 5a is formed by a plurality of slit-shaped holes or by forming a rectangular opening and covering the opening with a cloth or the like. The air purifying chamber 5 includes a dust filter 8 on the downstream side of the suction port 5a, a deodorizing filter 9 closely attached to the dust filter 8, a generator 10 for generating negative ions and ozone, and And a HEPA filter 11 closely arranged.

Here, a space S is provided between the deodorizing filter 9 and the negative ion and ozone generator 10 in order to make it easier for the negative ion and ozone generator 10 to suck in external environmental air. .

The above negative ion and ozone generator 1
0 has a positive plasma electrode 12, a negative plasma electrode 14, as shown in FIG. 1, and a trapping filter 15, as shown in FIG.

Between the collection filter 15 and the deodorizing filter 9, a hood 13 for sending air equally to almost the entire area of the HEPA filter 11 is provided.
As shown in FIG. 1, the hood 13 has an elongate hole shape at an inlet end 13A, and air collected at the inlet end 13A enters a main body 13B formed to expand toward the HEPA filter 11. Here, the rectified power is distributed equally to almost the entire area of the HEPA filter 11. The positive plasma electrode 12 generates a positive charge, and the negative plasma electrode 14 generates negative ions and ozone inside the hood 13.

The generator 10 generates negative ions inside the hood 13 when air circulation is performed, and generates ozone inside the hood 13 when air circulation is not performed. Let it.

As shown in FIG. 2, the air purifying chamber 5 and the machine chamber 4 communicate with each other through a flow path port 16 on the back side of the outer case 1.

The air purifier according to the present invention comprises a machine room 4 in the upper space in the outer case 1 and an air cleaner room 5 in the lower space.
And is configured.

The machine room 4 is provided with a turbo fan 7. The turbo fan 7 includes an electric motor 6 and an impeller 26. When the impeller 26 is driven to rotate by the electric motor, a centrifugal direction is formed from a blower port 26 </ b> A formed substantially all around the outer periphery of the impeller 26. The air is blown to. This turbo fan 7 is a centrifugal blower. The turbo fan 7 is fixed to the partition plate 3. Except for the partition plate 3, the outer case 1 has an air outlet 31 extending in the circumferential direction corresponding to the air outlet 26 </ b> A of the turbo fan 7. Are formed. In this embodiment, the air outlet 31 is formed as wide as possible on the upper surface 1A and both side surfaces 1B and 1C of the outer case 1.

Next, the operation of the present embodiment will be described.

The environmental air sucked through the suction port 5a is deodorized and deodorized by the dedusting filter 8 and the deodorizing filter 9. Thereafter, the dust contained in the ambient air is charged to a positive charge by the negative ion and positive plasma electrode 12 configured in the ozone generator 10. Further, the collection filter 15 is charged to the negative charge by the negative plasma electrode 14 provided in the negative ion and ozone generator 10, and the dust charged to the + charge is collected on the collection filter 15 by Coulomb attraction. Is done.

The ozone generated by the negative plasma electrode 14 sterilizes biological fine particles such as bacteria and viruses contained in dust inside the hood 13 and in the collection filter 15. After that, the purified and sterilized environmental air is HEPA
The cleaning is more effectively performed by the filter 11. Then, the air enters the machine room 4 through the flow path port 16, is sucked through the turbo fan suction port 26B, is discharged from the blower port 26A, and is blown out from the air blow port 31 of the outer case 1 extending in the circumferential direction correspondingly.

In this embodiment, the outer case 1 has
Since the air outlet 31 extending in the circumferential direction is formed corresponding to 6A, the area of the air outlet 31 is considerably larger than that of the conventional air outlet. Accordingly, the wind speed from the outlet 31 is reduced by that amount, and a soft airflow is obtained.

Further, since the machine room 4 and the air purifying room 5 are arranged in two upper and lower tiers, the installation space for the air purifier can be reduced as compared with the case where these are arranged in parallel. Compactness is achieved.

Further, since the hood 13 is provided,
Air is sent equally to almost the entire area of the EPA filter 11,
The same effect can be obtained in that the entire area of the HEPA filter 11 can be used equally and the air cleaning can be performed efficiently.

Although the present invention has been described based on one embodiment, the present invention is not limited to this. For example, a humidifier for supplying humid air to the space S between the deodorizing filter 9 and the negative ion and ozone generator 10 may be provided. When the air here is moistened, ozone sterilization can be improved.

[0030]

According to the first aspect of the present invention, since the outer case is formed with the air outlet extending in the circumferential direction corresponding to the air outlet of the centrifugal blower, it is possible to secure a large area of the air outlet. As a result, the wind speed from the outlet is reduced by that much, and the sense of airflow is suppressed.

According to the second aspect of the present invention, since the machine room and the air purifying chamber are arranged in two stages, the installation space for the air purifier is reduced.

According to the third aspect of the present invention, since the hood is provided, the air is sent evenly over almost the entire area of the HEPA filter, and the entire area of the HEPA filter can be equally used to efficiently clean the air.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of an air purifier according to the present invention.

FIG. 2 is a longitudinal sectional view of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer case 3 Partition plate 4 Machine room 5 Air purifying room 6 Electric motor 7 Turbo fan 10 Negative ion and ozone generator 11 HEPA filter 12 Positive plasma electrode 13 Hood 14 Negative plasma electrode 15 Collection filter

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masashi Hashimoto 1 Otsukicho, Ashikaga, Tochigi Prefecture Sanyo Electric Air Conditioning Co., Ltd. (72) Inventor Toshio Nakayama 1 Otsukicho, Ashikaga City, Tochigi Prefecture Sanyo Electric Air Conditioning Co., Ltd. Company F term (reference) 4D058 JA14 JB22 KA25 KC06 LA01 LA08 QA15 SA01 SA04 TA07

Claims (3)

[Claims] 1. An air purifier having a machine room in which an air blower is housed in an outer case and an air purifying chamber in which a filter is housed, wherein the air blower is a centrifugal air blower having an air blower in substantially the entire outer peripheral area. An air purifier, wherein the outer case is formed with an air outlet extending in a circumferential direction corresponding to an air outlet of the centrifugal blower. 2. The air purifier according to claim 1, wherein the machine room and the air purifying room are arranged in two stages, upper and lower. 3. An air purifier comprising a machine room in which a blower is housed in an outer case and an air purifying room in which a filter is housed, wherein an HEPA filter is arranged in the air purifying room. An air purifier characterized by having a hood for sending air equally over substantially the entire area.