JP3261705B2 - Simple clean room - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a simple air cleaning apparatus for supplying laminar clean air to a predetermined space in a food industry or the like to locally sterilize and sterilize the air.

[0002]

2. Description of the Related Art In order to form a clean space having a cleanliness class of 100 or more, it is necessary to make an air flow of clean air circulating in a room into a laminar flow over the entire surface. Conventionally, in order to obtain such a laminar flow, as shown in FIGS.
An integrated ceiling unit in which a HEPA filter and a rectifying plate are arranged on almost the entire ceiling is used.
It was supported by more than a strong book. This ceiling unit has a weight of 200 to 400 kg depending on the room size,
At least 6 to 8 people were required for on-site delivery and assembly. Furthermore, since the ceiling unit has an integral structure and large dimensions, it is necessary to secure a wide carry-in route on the customer side, and even if a room with a large room area is required, the size of the simple clean room must be limited. It was inconvenient to use.

[0003]

The above prior art requires a large amount of manpower and time to carry in and assemble on site, and many of the customers who need this simple clean room use a room like a major semiconductor factory. Unlike the case where the whole is made into a clean room, because it is an electronic, precision industry and food industry field that tries to locally clean a part of the existing workplace,
Rather, since there are many cases where there is no wide carry-in route or assembling place, it is necessary to select a device having a room size that can be carried by the existing carry-in route, and the room size originally desired was abandoned. . As described above, the prior art does not take into account local loading, assemblability, and ease of use in accordance with the actual conditions of the customer. There was a problem that it could not be provided.

[0004] In order to solve these problems, the present invention aims to provide a simple clean room which can be carried in by a small number of people and is hardly restricted by a carry-in route. The purpose is to provide a simple clean room.

[0005]

In order to achieve the above object, the present invention provides a simple clean room having an air purifying means on a ceiling and supplying laminar clean air to a space separated by a partition. It is constituted by a leg that can be divided and a horizontal frame, and comprises a tower-shaped frame on which the air purifying means is mounted, wherein the air purifying means has a fan and a filter,
The apparatus comprises a clean air supply unit for supplying clean air, and a diffusion chamber connected to the downstream side of the filter and on which the clean air supply unit is mounted. The clean air supply unit is directed toward the opening by flanges provided on two opposite sides of the outer periphery, and the diffusion chamber and the clean air supply unit are provided. The connection portion and the space between the diffusion chamber and the horizontal frame portion are hermetically sealed.

[0006] In a preferred embodiment, the clean air supply unit and the diffusion chamber are both configured to have a maximum dimension of 800 mm in width and 2000 mm in height or less.

In another preferred embodiment, the legs, the lateral frame, the clean air supply unit and the diffusion chamber are all configured to weigh less than 50 kg.

[0008]

[0009]

The tower-shaped frame is divided into a leg and a horizontal frame, and the air purifying means is divided into a clean air supply device having a fan and a filter for supplying clean air and a diffusion chamber. It is possible to reduce the size and weight of each part, reduce the restrictions on the loading path, and
It can be carried by three people, and the number of personnel required for carrying in can be reduced. Further, since the space between the diffusion chamber and the horizontal frame is hermetically sealed, the pressure in the diffusion chamber can be increased, so that the blowing speed can be made uniform and the inflow of contaminants can be prevented.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention are shown in FIGS.
This will be described with reference to FIG.

A first embodiment of the present invention will be described with reference to FIGS. 1 to 7, and FIGS.

FIG. 1 is an external view of a first embodiment of the present invention, and FIG. 2 shows a divided structure in the first embodiment. This embodiment has a structure in which an air purifying means for supplying clean air is divided into a fan unit 5, a diffusion chamber 4, and a flow straightening plate 7, and a tower-like frame supporting the same is provided with a leg 1 and horizontal frames 2, 3. The maximum weight per unit is 50 kg or less, the dimensions are within the door dimensions of general buildings (width 800 x height 2000 mm), and the number of loading and assembling personnel is reduced from the conventional 6-8 to 2-3. It can be reduced to

Further, in order to strengthen the connection strength between the horizontal frames 2 and 3 and the leg 1, the upper side of the horizontal frames 2 and 3 and the horizontal plane of the horizontal frames 2 and 3 are fastened to the leg 1 at least at one or more places. In this structure, the leg is prevented from wobbling, which is common in the divided structure.

Reference numeral 1 denotes legs for supporting the apparatus, which are provided at least at four corners on the outer periphery of the frame. A bolt 13 and a leg reinforcement 11 are welded to the leg 1 above its vertical surface. Frames 2 and 3 are fastened to the bolt 13 and the leg reinforcement 11 in the procedure shown in FIG. Frame is completed. or,
As shown in FIG. 5, the legs 1 and the frames 2 and 3 are inserted into the bolts 13 welded to the legs 1 on the vertical plane, and the frames 2 and 3 are inserted and fastened with the nuts 14, respectively. The welded reinforcement 11 and the frames 2 and 3 are fastened with bolts 12. At least one fastening point is provided on both the vertical surface and the horizontal surface. In this way, the leg 11 and the frames 2, 3 are fastened to at least one location on the vertical and horizontal planes of the frame, and by using these four legs, a strong tower as shown in FIG. 4 can be assembled.

When the tower is completed, the air purifying means is mounted thereon. In this embodiment, the air purifying means has a fan unit 5 and a diffusion chamber 4 having a divided structure to further reduce the weight. Further, when the fan unit is mounted on the diffusion chamber, the fan unit can be attached from the ceiling side or the indoor side of the apparatus, and can be assembled even when the ceiling of the building is low.

When assembling the air purifying means, the diffusion chamber 4 is first placed on the tower whose frame has been completed. The diffusion chamber 4 has a function of diffusing the clean air blown out of the HEPA filter 6. The diffusion chamber 4 is provided with ears in at least two directions on the ceiling surface for mounting on the frame.
Is hanging on the horizontal frame. After the chamber 4 is placed on the ear portion, the ear portion is fixed to one or more lateral frames 2 and 3 with screws to prevent displacement between the ear portion and the frames 2 and 3.

In order to insert the fan unit 5 into the diffusion chamber 4, a square hole slightly larger than the width of the fan unit is provided. The fan unit 5 is inserted into the square hole from the room side and mounted on the diffusion chamber 4, and is fixed to the diffusion chamber 4 from the room side by screws via a fixing metal provided on the fan unit 5.

Specifically, the fan unit 5 is inserted into the square hole provided in the diffusion chamber 4 from the room side as shown in FIG. 7 in a slightly inclined state, and diffuses both ears as shown in FIG. It is placed in the diffusion chamber 4 while being placed on the edge of the square hole of the chamber. HE when installing fan unit 5
By removing the PA filter 6, the clean air supply unit is reduced in weight, and workability is improved because care is not required for filter media damage or the like. In this case, H
The EPA filter 6 is fastened directly to the fan unit 5 from the indoor side after the fan unit 5 is attached.

The fan unit 5 is fastened to the diffusion chamber 4 from below the diffusion chamber 4 by an angle 19 with a nut and a screw 20 welded to the fan unit. still,
As shown in FIG. 6, the gap between the tower and the diffusion chamber and the gap between the diffusion chamber and the fan unit provided in advance are filled with a backup material 15 and coked with a silicon sealer material 16 to maintain airtightness.

In this embodiment, an electric component storage box 21 is provided on the diffusion chamber 4. The electric component storage box 21 includes an electromagnetic switch for a fan, a stabilizer for an illumination lamp 23 attached to the frame 2 from below, and the like. Electrical components that require regular maintenance are stored together. As shown in FIG.
1. As shown in FIG. 12, the cables drawn out from the fan unit 5, the frame 2, and the leg 1 with the operation switch are all gathered and connected inside the electric appliance storage box. As described above, in this embodiment, since the electric wiring work can be collectively performed in the electric component storage box, the productivity is good and the cost of the wiring work can be reduced. Furthermore, since the electrical components are gathered, the maintainability can be improved.

After completion of the wiring work, the current plate 7 is fixed to the diffusion chamber 4 by screws from below. The current plate 7 has a function of making the diffused clean air a laminar flow (laminar flow). In addition, when screwing from below, the hook fitting which also has dent prevention so that even one person can work is provided with the rectifying plate 7.
It is provided in.

Finally, the vinyl curtain 8 as a partition is fixed to the frames 2 and 3 using the holding plates 9 and 10 as shown in FIG. 2 to complete a simple clean room.

In this embodiment, the installation direction of the clean air supply unit is not limited to the lower side (inside of the room), and the fan unit 5 of the clean air supply unit is provided with flanges (both sides) provided on two opposite sides of the outer periphery. Since it is supported by the ear) and is loosely fitted in the diffusion chamber 4, it can be attached from above (outdoor side). In any case, the airtight seal is provided between the clean air supply unit and the diffusion chamber after installation.

As described above, in this embodiment, the simple clean room is divided into a fan unit, a HEPA filter, a diffusion chamber, a rectifying plate, a horizontal frame in the width direction, a horizontal frame in the depth direction, and legs, and the weight of each unit is reduced. The weight is about 10 to 50 kg so that all can be lifted by one or two persons, so that the carrying work at the time of carrying in can be performed by two or three persons.

Further, since the ceiling unit is divided for each element, it is not necessary to perform an assembling work by a large number of people, and the division size is also a door of a general building (width 800 × height 2).
000 mm) can be set to a size that can be sufficiently carried in, so that the installation place is not limited, and the cost for carrying in and assembling can be greatly reduced, and the device can meet customer needs.

Each unit is a general building door (width 80).
(0 × 2000 mm), so that the disassembled units can be easily moved even if they are relocated due to future layout changes, and since they are lighter, they can be reassembled. .

A second embodiment of the present invention will be described with reference to FIG. This embodiment is an example in which only one air purification unit of the first embodiment is provided. The turret-shaped frame is formed in such a size that only one air purification means including the fan unit 5 and the diffusion chamber 4 can be placed. Other configurations are the same as in the first embodiment.

A third embodiment of the present invention will be described with reference to FIGS. This embodiment is an example in which only three air purification units of the first embodiment are provided. The turret-shaped frame is formed to have a size capable of mounting three air purifying means including the fan unit 5 and the diffusion chamber 4.

In the case of this embodiment, the adjacent diffusion chamber 4
Are fastened by bolts 12 and nuts 14 to form an H-shaped steel connection portion, so that the connection portion has a strong strength. For this reason, according to the present embodiment, the width or depth dimension, which has conventionally been difficult to manufacture, is 3000
mm or more can be manufactured with a robust connection structure, and a laminar flow simple clean room with a large space can be realized. Other configurations are the same as in the first embodiment.

As described above, according to the above embodiment, it is possible to improve the workability, economy, and usability at the time of carrying-in and assembling, which are not available in the prior art.

In the above embodiment, a movable laminar flow type simple clean room may be provided by providing moving wheels below the leg 1, and a fixed seat plate may be provided below the leg 1 to provide a fixed seat. It may be a laminar flow type simple clean room.

The partition is not limited to a vinyl curtain, but may be a panel-shaped synthetic resin plate, a metal plate, or a composite material thereof.

[0033]

According to the present invention, it is possible to obtain a simple clean room which can be carried in by a small number of people and is hardly restricted by the carrying route. Further, it is possible to obtain a simple clean room with improved economy and usability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance of a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing the configuration of the present embodiment.

FIG. 3 is a perspective view showing an assembling procedure of the tower section of the embodiment.

FIG. 4 is a perspective view showing the appearance of the tower section of this embodiment.

FIG. 5 is an exploded perspective view showing a configuration of a connection portion between a leg and a frame according to the embodiment.

FIG. 6 is a longitudinal sectional view of a main part of the embodiment.

FIG. 7 is a vertical cross-sectional view showing a mounted state of the fan unit of the embodiment.

FIG. 8 is a perspective view showing the appearance of a conventional technique.

FIG. 9 is an exploded perspective view showing a configuration of a conventional technique.

FIG. 10 is a longitudinal sectional view of a main part according to the prior art.

FIG. 11 is a drawing of electrical wiring around a ceiling according to the present embodiment.

FIG. 12 is a drawing of electrical wiring around the legs according to the present embodiment.

FIG. 13 is an exploded perspective view showing a configuration of a second embodiment of the present invention.

FIG. 14 is a plan view of a second embodiment of the present invention.

FIG. 15 is a vertical cross-sectional view of a main part showing a connected state of the diffusion chamber according to the present embodiment.

[Explanation of symbols]

1: Leg 2: Frame 3: Frame 4: Diffusion chamber 5: Fan unit 6: HEPA filter 7: Rectifier plate 8: Vinyl curtain 9: Curtain reinforcement 10: Curtain retainer 11: Leg reinforcement 12: Bolt
13: Embedded bolt 14: Nut 15: Backup material 16: Caulking material 17: Ceiling unit 18: Leg 19: Angle 2
0: Screw 21: Electric storage box 22: Cable 23: Light

Claims (1)

(57) [Claims] 1. A simple clean room having an air purification means on a ceiling and supplying laminar flow of clean air to a space separated by a partition, comprising a leg portion and a horizontal frame portion which can be separated from each other. comprising a tower-shaped frame member for mounting the unit, the air purification unit has a fan and a filter, clean
A clean air supply unit for supplying air and a diffusion chamber connected to the downstream side of the filter for mounting the clean air supply unit, wherein the clean air supply unit is inserted through the diffusion chamber;
The cleaning air supply unit is provided with a freely formed opening, and the two opposite sides of the outer circumference are opposed to each other.
Indicated by the flange provided at the opening.
Is a simplified clean room, characterized in that between the lateral frame portion and the connecting portion and the diffusion chamber of the supply unit of the clean air and the diffusion chamber is hermetically sealed.