JPH11159817A - Method and equipment for mounting air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and equipment for mounting an air cleaner which enable reliable mounting of a fan filter unit and also facilitate work for mounting. SOLUTION: An air cleaner is used for a clean booth 2 or the like and equipped with a ceiling frame 10 provided in the shape of a lattice in the ceiling part of the clean booth 2 and with a fan filter unit(FFU) 12 having an external shape slightly smaller than the dimension between frame members 11 of the ceiling frame 10. Holding pieces 26 which are fixed in the horizontal direction and can be withdrawn in the direction of the ceiling or sideways are provided at the inside parts of each frame member 11 of the ceiling frame 10 opposite to each other. On the occasion of mounting the FFU 12, the FFU 12 is raised in a horizontal state from below the ceiling frame 10 and, the holding pieces 26 being once withdrawn by the FFU 12, the FFU 12 is inserted between the frame members 11. When the lower end face of the FFU 12 passes the holding pieces 26, the holding pieces 26 protrude in the horizontal direction and the FFU 12 is lowered thereafter and set on the holding pieces 26.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for mounting an air purifying apparatus to be mounted on a ceiling portion of a clean booth or the like in which an internal environment is kept clean. [0002]

2. Description of the Related Art Conventionally, an air purifying apparatus mounted on a clean booth has a mounting member of a fan filter unit fixed to a ceiling portion of a frame of the clean booth as disclosed in, for example, Japanese Patent Application Laid-Open No. 4-347435. Then, the filter portion of the fan filter unit is exposed and fixed downward to the opening portion of the mounting member to constitute a clean booth. A fan filter unit (hereinafter, referred to as FFU) is a unit in which a fan for blowing air and a filter for collecting dust are integrated.
Air is taken in from behind the ceiling, and clean air is sent into the clean booth through the filter.

[0003] The FFU of the clean booth is mounted by assembling a mounting member for mounting the FFU, fixing the mounting member to the frame of the clean booth, and then fixing the FFU from above with a crane or the like. After fixing the FFU, the mounting member was lifted by a crane or the like and fixed to the ceiling of the clean booth.

[0004]

However, in the technique disclosed in the above publication, the mounting member and the FFU have to be carried from above the frame of the clean booth.
The work of mounting U was time-consuming. Further, it has not been easy to change the FFU or change the mounting position.

The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a method and an apparatus for mounting an air purifying apparatus, in which an FFU can be securely mounted and the mounting operation is easy. And

[0006]

The present invention is used in a clean air supply apparatus such as a clean booth or the like, and includes a ceiling frame provided in a grid on a ceiling portion of the clean booth or the like, and a grid between the ceiling frames. An FFU having an outer shape slightly smaller than the size, and a holding piece that is horizontally fixed to the inside portions of the lattices of the ceiling frame facing each other and that can be retracted in the direction behind the ceiling or to the side. is there. When mounting the FFU, the FFU is raised horizontally from below the ceiling frame, such as a clean booth, and the holding piece is temporarily retracted by rocking or sliding by the FFU to enter the lattice of the ceiling frame. Insert the above FFU,
When the lower end surface of the FFU passes through the holding piece, the holding piece projects in the horizontal direction. Thereafter, the FFU is lowered and placed on the holding piece, and the FFU is mounted on the ceiling frame.

[0007] The present invention also includes a ceiling frame provided in a grid-like shape on a structural member of a ceiling portion of a clean booth or the like, and an FFU having an outer shape slightly smaller than a lattice size of the ceiling frame. A holding piece that is positioned and held in the horizontal direction and that can swing in the direction behind the ceiling is provided on inner portions of the frame members facing each other, and the holding pieces that oppose each other when the holding pieces are positioned in the horizontal direction. The space between the edge portions of the pieces is an attachment device for an air purifying device in which the width of the FFU in the horizontal direction is set to be smaller. Also, the above ceiling frame is
It is provided above it, can be attached to any position in the longitudinal direction, and is fixed to a structural material provided in the horizontal direction. The holding piece has a positioning projection integrally on a surface on which the FFU is placed. Further, the holding pieces are provided along the entire length of the facing side edges of the frame material of the ceiling frame, and an airtight material is provided at an engagement portion between the ceiling frame and the holding pieces. is there.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. The mounting device of the air purifying apparatus of this embodiment is for a clean booth used in a semiconductor factory, a chemical factory, a food factory, and other factories that need to form a partially clean environment.
In the mounting device of the air purifying apparatus of this embodiment, a ceiling frame 10 made of an extruded aluminum member provided in a lattice shape is fixed to a ceiling portion of a structural member 4 which is a framework of a clean booth 2 as shown in FIG. Have been. Between the lattices of the ceiling frame 10 of the clean booth 2, FFUs 12 each having an outer shape slightly smaller than the vertical and horizontal dimensions between the lattices are attached.
The FFU 12 includes a main body 14 having a built-in fan, and a filter 16 attached to the lower surface of the main body 14 and provided detachably.

The lattice of the ceiling frame 10 is, as shown in FIG.
The cross-sectional shape is formed by assembling a frame material 11 which is a long material having a fixed length, and has grooves 18 and 19 into which nuts and the like are inserted at upper and lower edge portions in a state of being attached to the ceiling. A pair of receiving portions 20 protruding in the horizontal direction are formed on the both side edges in the horizontal direction of the lower groove portion 19, respectively, over the entire length in the longitudinal direction. And
In a state where the frame members 11 are assembled in a lattice shape, the interval between the edges of the receiving portions 20 of the one lattice that oppose each other is FFU1
2 is slightly wider than the width in each corresponding direction.
Above the receiving portion 20, a locking projection 22 is formed in the longitudinal direction of the frame member 11, which protrudes in the horizontal direction from near the bottom of the groove portion 19, and has a tip portion bent downward by 90 degrees and slightly protruding.
The projection of the locking projection 22 is considerably smaller than that of the receiving portion 20.

The ceiling frame 10 is further suspended by a structural member 38 provided on the ceiling frame 10. The structural member 38 and the frame member 11 are held by hanging bolts 40. Hanging bolt 4
The front end portion 0 is sandwiched and fixed by a nut 42 in a side groove of the structural member 38. The other end of the suspension bolt 40 is fixed to the groove 18 of the frame member 11 by being sandwiched by a nut 44.

An engaging portion 24 having a width between the receiving portion 20 and the locking projection 22 is provided between the receiving portion 20 and the locking projection 22.
A holding piece 26 having a cross-sectional shape extending in a direction perpendicular to the engaging portion 24 is provided separately from the frame member 11. Holding piece 2
6, positioning projections 2 protruding in the same direction as the engaging portions 24.
8 are integrally formed. With the frame material 11 assembled as the ceiling frame 10 and the holding piece 26 attached to the frame material 11,
The interval between the positioning projections 28 facing each other is FFU1
The width is set slightly larger than the width of the second filter unit 16. Further, an airtight material 30 is provided between the receiving portion 20 of the frame material 11 and the locking projection 22 to achieve airtightness between the holding piece 26 and the frame material 11.

A locking member 32 is provided on the main body 14 of the FFU 12 so as to be able to protrude and retract on both side surfaces in one width direction. The locking member 32 is in the retracted position in the FFU
12 is located on the inner side of the outermost peripheral surface of
Thus, the engagement with the upper end surface of the groove 18 or the locking projection 22 of the frame material 11 is enabled. The main body 14 and the fan 1
An airtight material 34 is provided on the entire surface of the connection surface with the seal 6.

As shown in FIG. 2, a cross-shaped intersection member 36 fixed to the end surface of the frame member 11 is provided at the intersection of the lattices of the lattice-shaped ceiling frame 10. The intersection member 36 is formed in an L-shape for a corner portion and in a T-shape for a side edge portion, depending on its position. The ceiling frame 10 is hung on a ceiling frame of a factory or the like while a nut (not shown) is inserted into a groove portion 18 at the upper end edge of the frame material 11 and is held by bolts and columns.

Next, a method of mounting the air purifying apparatus of this embodiment will be described with reference to FIGS. In the method of mounting the air purifying apparatus of this embodiment, first, the holding piece 26 is set to be horizontally mounted on the ceiling frame 10 provided in a lattice shape on the ceiling portion of the clean booth. Then, the main body 14 is positioned in a horizontal state directly below the ceiling frame 10, and as shown in FIGS. 4 and 5, the main body portion 14 is raised from below the ceiling frame 10 in a horizontal state by a lifting machine (not shown) or the like. At this time, between the receiving portion 20 of the frame member 11 and the locking projection 22,
Since only the engaging portion 24 of the holding piece 26 is engaged, the holding piece 26 can easily swing toward the ceiling. The locking member 32 of the main body 14 is retracted inward. Then, the holding piece 26 is pushed up at the corner at the upper end of the main body 14, and swings toward the ceiling to be temporarily retracted.

At this time, as shown in FIGS. 6 and 7, the holding piece 26 does not fall to the side of the frame member 11 but comes into contact with the side surface of the main body 14 and falls down. Joint 24
Is located below the locking projection 22 of the frame member 11, and in this state, the body portion 14 is raised. Then, when the main body part 14 has almost entered the ceiling frame 10, the locking member 32 is made to protrude to the side. Thereby, as described later, the filter unit 1
Also at the time of replacement of 6, the main body 14 is held by the ceiling frame 10 and does not come off.

Thereafter, the filter unit 16 is positioned below the main unit 14, the main unit 14 is raised together with the filter unit 16, and the entire FFU 12 is put into the ceiling frame 10. When the bottom surface of the filter section 16 is located above the edge of the holding piece 26, the holding piece 26 that has been opened by contacting the side surface of the FFU 12 falls down in the horizontal direction, and The leading edge of the engaging portion 24 of the holding piece 26 abuts on the lower surface of the holding piece 26, and the receiving piece 20 of the frame 11 receives the back surface of the holding piece 26, and the holding piece 26 is locked in the horizontal direction. In this state, as shown in FIGS. 8 and 9, the FFU 12 is lowered, and the bottom edge of the filter 16 of the FFU 12 is brought into contact with the upper surface of the holding piece 26, thereby completing the installation of the FFU 12.

At this time, the FFU 12 is positioned in the horizontal direction by the positioning projections 28 of the holding pieces 26, and is accurately positioned within the lattice of the ceiling frame 10. The holding piece 26
As shown in FIG. 2, one corner of the holding piece 26 abuts on the intersection member 36 on the intersection member 36, and the end of the other holding piece 26 is Is in contact with the edge of the tip.

The airtightness between the FFU 12 and the ceiling frame 10 is ensured by an airtight material 30 or the like.
The abutment between the holding pieces 26 at the corners of 0 is not sufficient. However, inside the clean booth below FFU12,
Because it is more pressurized than the ceiling above FFU12,
Air contaminated through the gaps of these frame members 11 does not enter the clean booth.

The replacement of the filter section 16 of the FFU 12 of this embodiment is performed in the opposite manner as described above by slightly raising the FFU 12 installed on the ceiling frame 10 while keeping it horizontal.
Is swung to the side of the FFU 12 and the FFU
Lower 12 Then, the locking member 32 comes into contact with the upper end surface of the groove 18 of the frame member 11 or the locking projection 22 and remains at that position. As a result, the filter section 16 comes off the main body section 14. Thereafter, the new filter unit 16 is connected to the main unit 14.
, And raised in the same manner as described above, when the holding piece 26 falls inward when the filter section 16 enters the ceiling frame 10, the FFU 12 is lowered and placed on the holding piece 26,
The installation of the new filter unit 16 is completed.

According to the method and the apparatus for mounting the air purifying apparatus of this embodiment, the frame of the clean booth 2 is formed of the structural material 4, the ceiling frame 10 is formed of the frame material 11, and then the FFU 1
FFU1 to ceiling frame 10 just by lifting 2 from below
2 is completed, and workability is extremely good. In addition, the replacement work of the filter unit 16 and the like can be easily performed later. Further, the installation space of the FFU 12 above the ceiling frame 10 is FF
It suffices if there is a space in which the U12 can be housed in a horizontal state and the holding piece 26 can swing, and the installation can be performed in a minimum necessary space.

The method and apparatus for mounting the air purifying apparatus of the present invention may be any apparatus that can be installed on a ceiling frame while keeping the FFU horizontal from below. The main body and filter of the FFU are separately provided. It may be installed or integrated. In addition, the holding piece may be oscillating or slidable in the horizontal direction, and may automatically or manually protrude into the lattice. Airtightness between the lattice frame and the FFU can be achieved by appropriately applying an airtight material, and an airtight material may be provided on a contact surface between the holding piece and the frame material, and a portion where an end of the frame material is in contact. Also, an airtight material may be provided.

[0022]

According to the method and the apparatus for mounting an air purifying apparatus of the present invention, when a fan filter unit is mounted on a ceiling frame of a clean booth or the like, the mounting operation is very simple by simply inserting the fan filter unit into the ceiling frame. Therefore, the workability is high, and it is only required to be mounted while being raised in the horizontal direction. Therefore, the space required for the mounting may be small, and the use efficiency of the space is good. Furthermore, by fixing the ceiling frame to a structural material that can be attached to any position in the longitudinal direction, more appropriate holding and fixing can be made at any position, and assembly is easy.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of a mounting device for an air cleaning device of the present invention.

FIG. 2 is a plan view showing an intersection member of a ceiling frame of the air purifier mounting apparatus according to one embodiment of the present invention.

FIG. 3 is a front view of an embodiment in which the attachment device for the air cleaning device of the present invention is applied to a clean booth.

FIG. 4 is a perspective view showing a mounting order of an embodiment of the mounting method of the air purifying apparatus of the present invention.

FIG. 5 is a longitudinal sectional view showing an attachment order of an embodiment of the attachment method of the air cleaning device of the present invention.

FIG. 6 is a perspective view showing a mounting order of an embodiment of a method for mounting an air purifying device of the present invention.

FIG. 7 is a longitudinal sectional view showing an attachment order of an embodiment of the attachment method of the air cleaning device of the present invention.

FIG. 8 is a perspective view showing an attached state of an embodiment of the method for attaching an air purifying device of the present invention.

FIG. 9 is a longitudinal sectional view showing an attached state of an embodiment of the method for attaching an air cleaning device of the present invention.

[Explanation of symbols]

 2 Clean booth 10 Ceiling frame 11 Frame material 12 FFU (Fan filter unit) 14 Main unit 16 Filter unit 20 Receiving unit 26 Holding piece

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Motoyasu Sakaki 3-1-25 Ariake, Koto-ku, Tokyo Nick Seiko Meisner

Claims (6)

[Claims] 1. A ceiling frame provided in a lattice shape, and a fan filter unit having an outer shape slightly smaller than an inter-lattice dimension of the ceiling frame. A holding piece that is fixed in the direction and retractable in the direction behind the ceiling or to the side is provided, the fan filter unit is raised from below the ceiling frame in a horizontal state, and the holding piece is temporarily retracted by the fan filter unit. Then, insert the fan filter unit into the lattice of the ceiling frame, and when the lower end surface of the fan filter unit passes through the holding piece, the holding piece protrudes in the horizontal direction, and then lowers the fan filter unit to lower the fan filter unit. A method for mounting an air purifying device, wherein the fan filter unit is mounted on a holding piece and mounted on the ceiling frame. 2. The air according to claim 1, wherein the ceiling frame is attached to a ceiling portion of a clean booth in which a predetermined frame is formed, and the fan filter unit is lifted from below the clean booth and attached to the ceiling frame. How to install the cleaning device. 3. A ceiling frame provided in a lattice shape, and a fan filter unit having an outer shape slightly smaller than an inter-lattice dimension of the ceiling frame. A holding piece that is positioned in the direction of the ceiling and swingable in the direction behind the ceiling is provided, and when the holding piece is positioned in the horizontal direction, the interval between the edges of the holding pieces facing each other is the same as that of the fan filter unit. An air purifier mounting device that is set smaller than the horizontal width. 4. The mounting device for an air purifying apparatus according to claim 3, wherein said ceiling frame is fixed to a structural member provided in a horizontal direction of a ceiling portion of a clean booth in which a predetermined frame is formed. 5. The mounting device according to claim 3, wherein the holding piece has a positioning projection on a surface on which the fan filter unit is mounted. 6. The holding pieces are provided along side edges of the frame material of the ceiling frame facing each other, and an airtight material is provided at an engagement portion between the ceiling frame and the holding pieces. Claim 3
Or a mounting device for an air purifying device according to 4.