JP6364510B2 - Air shower equipment - Google Patents

Description

  The present invention relates to an air shower apparatus installed at an entrance to a space maintained in a clean environment such as a clean room.

  An air shower device for removing dust and germs adhering to the occupant's clothes is installed at the entrance to a work room that is always maintained in a clean environment such as a clean room or a bio clean room.

  The thing of patent document 1 is known as an example of such an air shower apparatus. In this air shower device, a shower room and an air purification chamber communicating with each other through an air flow passage are defined in the body, and air sucked into the air purification chamber from the shower chamber through the air flow passage is filtered by a blower with a filter. The filtered air is circulated and sent out from the air nozzle into the shower room by the blowing action of the blower, so that dusts adhering to the clothes of the occupants are removed.

  Further, a bag filter is used as the filter, and a hopper for collecting dust collected in the bag filter is provided on the lower side of the bag filter, and the dust collected in the hopper is passed through a vacuum pipe or a suction pipe that has a suction function of the dust collector. I try to pull it out of the hopper.

JP 2004-82028 A

By the way, in the conventional air shower apparatus mentioned above, the dust (dust) collected by the air shower is collected in the hopper, and this dust is extracted out of the hopper through the suction pipe to which the suction action of the vacuum cleaner or the dust collector is applied. However, there are cases in which particles and other deposits adhering to the surface of the dustless garment worn by the worker cannot be removed by the air shower and cannot be collected.
Further, when dust or the like is accumulated on the floor of the shower room, the accumulated dust may not be collected by being sucked into the air purification room.
On the other hand, the adhering matter adhering to the surface of the clothes and the dust accumulated on the floor of the shower room (hereinafter collectively referred to as dust) can be sucked by the suction device. There is a problem that it is necessary to provide a separate device, which increases costs and increases the size of the air shower device.

  The present invention has been made in view of the circumstances described above, and is an air shower device that can easily suck and remove deposits attached to the surface of clothes and dust accumulated on the floor of a shower room. The purpose is to provide.

In order to achieve the above object, an air shower device according to the present invention divides a shower chamber and an air purification chamber by a partition, and an air intake port for taking air into the air purification chamber from the shower chamber to the partition, An air injection port for injecting air from the air purification chamber to the shower chamber is provided, and the air sucked into the air purification chamber from the shower chamber through the air intake by the suction action of a blower is filtered by a filter, An air shower device for injecting the filtered air from the air injection port to the shower chamber by an air blowing action of the blower,
A shielding member capable of shielding at least a part of the air intake is provided in the partition;
A connection port member is provided through the partition wall on the suction side of the blower, and a suction hose is connected to the connection port member.

  In the present invention, since at least a part of the air intake is shielded by the shielding member, the suction force of the blower greatly acts on the connection port member as compared with the case where the air intake is not shielded. With the suction hose connected to the connection port member, it is possible to simply suck and remove deposits adhering to the surface of the clothes and dust accumulated on the floor of the shower room.

  Moreover, in the said structure of this invention, it is preferable that the pre filter is provided in the air intake side.

  According to such a configuration, when the suction hose sucks the adhering matter adhering to the surface of the clothes or the dust accumulated on the floor of the shower room, large particles of the dust are preliminarily removed. Since it can be removed by the pre-filter and the remaining small particle dust can be removed by the filter, cleaner air can be efficiently injected from the air injection port into the shower chamber.

  According to the present invention, the suction hose connected to the connection port member simply sucks and removes the adhering matter adhering to the surface of the clothes and the dust accumulated on the floor of the shower room. it can.

It is side sectional drawing which shows schematic structure of the air shower apparatus which concerns on this Embodiment. It is for demonstrating the positional relationship of the shielding member of the air shower apparatus which concerns on this Embodiment, and an air intake opening, Comprising: (a) is a figure at the time of fully opening an air intake opening, (b) is It is a figure at the time of shielding a part of air intake port with the shielding member.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a side sectional view showing a schematic configuration of the air shower apparatus according to the present embodiment.
The air shower device 1 includes a box-shaped main body case 2. The main body case 2 is provided at the entrance to a work room that is always maintained in a clean environment such as a clean room or a bio clean room, and a door (not shown) that opens and closes the main body case 2 in a direction perpendicular to the paper surface in FIG. It is provided as possible.

A gate-shaped partition wall 3 is provided inside the main body case 2. By this partition wall 3, the inside of the main body case 2 is partitioned into a shower chamber 4 and an air purification chamber 5 located on both sides of the shower chamber 4. An operator enters the shower room 4 from one door, exits the shower room 4 from the other door, and enters the work room maintained in the clean environment.
The partition wall 3 includes a side wall 3a and a ceiling wall 3b. The side wall 3a is disposed at a predetermined interval between the side wall 2a of the main body case 2 and the ceiling wall 3b is connected to the upper wall 2b of the main body case 2. They are arranged at a predetermined interval between them.
The space between the side wall 3a and the side wall 2a, that is, the air purification chamber 5, and the ceiling chamber 6 that is the space between the ceiling wall 3b and the upper wall 2b communicate with each other.

An air intake 10 for taking air from the shower chamber 4 into the air purification chamber 5 is provided at the lower end portion of the opposing side wall 3a of the partition wall 3, respectively. A plurality of air injection ports 11 for injecting air from the air purification chamber 5 to the shower chamber 4 are provided.
The air intake 10 is formed in a rectangular shape, and is provided so as to face the opposite side walls 3a and 3a.
A plurality of air injection ports 11 are provided at predetermined intervals in the circumferential direction on a plurality of virtual concentric circles centering on a substantially central portion in the height direction of the shower chamber 4 on the side wall 3a. Each air injection port 11 includes a nozzle 11a for blowing an air shower, and a holder 11b that supports the nozzle 11a.

A pre-filter 12 is provided at the air intake 10 so as to cover the air intake 10. The pre-filter 12 removes relatively large particles of dust such as dust in the air taken into the air purification chamber 5 from the shower chamber 4.
A blower 13 is provided behind the air intake 10. The blower 13 includes an electric motor 13a and an impeller 13b attached to the drive shaft of the electric motor 13a. The electric motor 13a is loaded in a case 14 provided on the back side of the prefilter 12, and the impeller 13 b is arranged on the back side from the pre-filter 12.
The impeller 13b is disposed at the lower end of the air flow path 15 extending vertically, and the air flow path 15 and the inside of the case 14 communicate with each other.
In addition, you may provide the pre filter 12 in the back side of the case 14 in the air intake side. In this way, when sucking substances adhering to the surface of the clothes or dust accumulated on the floor of the shower room 4 are sucked by the suction hose 22 described later, large particles of the dust are previously collected. Dust can be removed by the prefilter 12.

A high performance filter (filter) 16 is provided on the upper part of the air flow path 15 so as to face the air flow path 15. The high-performance filter 16 has a particularly high dust collection efficiency even with respect to dust of 1 μm or less. Generally, filter paper made of glass fiber, filter paper mixed with cellulose or the like is used.
The high-performance filter 16 has a dust collection efficiency of 99% or more. However, when the high-performance filter 16 is used, a pre-filter is disposed, and after removing large particles of dust in advance, the high-performance filter 16 is allowed to pass through. Since it is necessary, the pre-filter 12 described above is provided in the air intake port 10 as a pre-filter.
The high performance filter 16 is disposed so as to cover the back of the plurality of air injection ports 11, and clean air from which small particles of dust have been removed by the high performance filter 16 flows from the air injection port 11 to the shower chamber. 4 is injected.

  As described above, in the air shower device 1 of the present embodiment, the air sucked into the air purification chamber 5 from the shower chamber 4 through the air intake port 10 and the prefilter 12 by the suction action of the impeller 13b of the blower 13 The air is filtered through the high-performance filter 16 from the passage 15 and is filtered by the high-performance filter 16, and the filtered air is injected from the air injection port 11 into the shower chamber 4 by the air blowing action of the impeller 13 b of the blower 13.

Further, a shielding member 20 capable of shielding a part of the air intake port 10 is provided on one side wall 3 a of the partition wall 3. The shielding member 20 may be provided on the other side wall 3a, but in this embodiment, it is provided only on one side wall 3a.
As shown in FIG. 2, the shielding member 20 is formed in a rectangular plate shape, the length of the vertical side is shorter than the length of the vertical side of the air intake port 10, and the length of the horizontal side is the length of the air intake port 10. It is almost the same as the side length or slightly longer. Moreover, the handle 20a is provided in the surface of the shielding member 20, and when the operator pulls this handle 20a to the horizontal direction, the shielding member 20 can move to right and left in FIG.
In order to provide the shielding member 20 so as to be movable left and right (slidable), for example, a rail extending along the upper edge of the air intake port 10 is provided on the side wall 3a of the partition wall 3, and the shielding member 20 is provided on this rail. What is necessary is just to suspend so that the upper edge part of a can move to right and left.

The normal operating state of the air shower device 1, that is, the air sucked into the air purification chamber 5 from the shower chamber 4 through the air intake port 10 and the prefilter 12 is filtered by the high-performance filter 16, and the filtered air is filtered through the air injection port. In a normal operation state in which the air is injected from 11 into the shower chamber 4, as shown in FIG. 2A, the shielding member 20 is separated from the air intake 10 in the lateral direction, and the air intake 10 is fully opened.
On the other hand, when the adhering matter adhering to the surface of the clothes or the dust accumulated on the floor of the shower room 4 is sucked by the suction hose 22 described later, as shown in FIG. The member 20 is moved in the lateral direction to shield a part of the air intake 10.

As shown in FIG. 1, a connection port member 21 is provided below the one side wall 3 a of the partition wall 3 so as to penetrate the side wall 3 a on the suction side of the blower 13.
That is, the connection port member 21 is configured by a substantially L-shaped pipe, and one end portion of the connection port member 21 is connected to the case 14 so as to open to the inside thereof, and the other end portion is connected to the side wall 3a. Is opened to the shower chamber 4.
Since the inside of the case 14 becomes a negative pressure due to the suction action of the impeller 13 b, a suction force acts on the inside of the connection port member 21.

A suction hose 22 is connected to the other end of the connection port member 21. The suction hose 22 has flexibility, and a brush 23 that can be gripped by an operator is attached to the tip of the suction hose 22. The brush 23 has a hollow inside, and a suction hole and bristles are provided at the tip of the brush 23.
The side wall 3a is provided with a brush hook (not shown).

  The ceiling wall 3b is formed with a plurality of blowing holes, and clean air is blown out from the blowing holes into the shower chamber 4. A damper 24 is provided between the side wall 3 a and the side wall 2 a above the air injection port 11. The damper 24 is pushed upward and moved into the chamber between the side wall 3a and the high performance filter 16 when a predetermined pressure is generated by the air blowing action of the blower 13, and the clean air flows into the ceiling chamber 6. It is for making it happen. The damper 24 also functions as a check valve that prevents air from flowing back from the ceiling chamber 6 and flowing into the chamber.

In the air shower device 1 having such a configuration, as shown in FIG. 2 (a), the air intake 10 is normally opened and the impeller 13b of the blower 13 is rotated and the suction action is performed. The air sucked into the air purification chamber 5 from the shower chamber 4 through the air intake port 10 and the prefilter 12 is filtered by the high performance filter 16 through the high performance filter 16 from the air flow path 15, and this filtered air is blown by the blower 13. The impeller 13b is jetted from the air jet 11 into the shower chamber 4 by the air blowing action.
In addition, when a predetermined pressure is generated in the above-described chamber by the air blowing action of the blower 13, the damper 24 is pushed upward to move, and the clean air flows into the ceiling chamber 6 from the blowout hole of the ceiling wall 3b. Clean air blows out into the shower room 4.
The air injection from the air injection port 11 and the air blowing from the ceiling wall 3 b may be performed at all times, but when the operator enters the shower room 4 by opening the door of the shower room 4. Alternatively, the impeller 13b of the blower 13 may be rotated, or the impeller 13b that is normally weakly rotated may be rotated strongly only when entering the room.

On the other hand, when the adhering matter adhering to the surface of the clothes or dust such as dust accumulated on the floor of the shower room 4 is sucked by the suction hose 22, as shown in FIG. Is moved laterally to block a part of the air intake 10.
Thus, by shielding a part of the air intake 10 with the shielding member 20, the suction force of the blower 13 acts on the connection port member 21 more than when the air intake 10 is not shielded. Therefore, the suction hose 22 connected to the connection port member 21 simply sucks and removes the adhering matter adhering to the clothes surface and the dust accumulated on the floor of the shower room 4. it can. In this case, since the brush 23 is attached to the front end portion of the suction hose 22, the dust can be scraped off from the floor of the clothes or the shower room 4 by the brush and efficiently sucked and removed.
In particular, it is preferable because hair that is a problem in a food factory or the like can be removed by suction with the suction hose 22.

  In addition, when the prefilter 12 is provided on the back side of the case 14, the suction hose 22 sucks out deposits adhering to the clothing surface and dust accumulated on the floor of the shower room 4. Then, the dust of large particles in the dust can be removed in advance by the pre-filter 12, and the remaining small particles of dust can be removed by the high-performance filter 16, so that cleaner air can be removed from the air injection port 11 and the ceiling wall 3b. Can be efficiently injected into the shower chamber 4.

In the present embodiment, as shown in FIG. 2, a part of the air intake port 10 can be shielded by the shielding member 20, but the entire air intake port 10 may be shielded by the shielding member 20. Good. However, if all of the air intake 10 is shielded, the electric motor 13a and the like of the blower 13 are overloaded. Therefore, even when the air intake 10 is shielded by the shielding member 20, it is preferable that there is a slight gap. .
Further, in the present embodiment, the shielding member 20 can be slid (moved) in the horizontal direction, but may be slid (movable) in the vertical direction.

DESCRIPTION OF SYMBOLS 1 Air shower apparatus 3 Partition 4 Shower room 5 Air purification room 10 Air intake port 11 Air injection port 12 Pre filter 13 Blower 16 High performance filter (filter)
20 Shield member 21 Connection port member 22 Suction hose

Claims (2)

A shower chamber and an air purification chamber are partitioned by the partition, an air intake port that takes air from the shower chamber into the air purification chamber, and an air injection port that jets air from the air purification chamber to the shower chamber. The air sucked into the air purification chamber from the shower chamber through the air intake by the suction action of the blower is filtered by a filter, and the filtered air is sent from the air injection port by the blower action of the blower. An air shower device for spraying into a shower room,
A shielding member capable of shielding at least a part of the air intake is provided in the partition;
A connection port member is provided through the partition wall on the suction side of the blower, and a suction hose is connected to the connection port member ,
In the case where dust such as dust adhering to the surface of clothing or dust accumulated on the floor of the shower room is sucked by the suction hose, a part of the air intake port is shielded by the shielding member. Compared to the case where the air intake is not shielded, the suction force of the blower is applied to the connection port member so that the suction hose connected to the connection port member adheres to the surface of the clothing. An air shower apparatus for sucking and removing adhering substances and dust accumulated on the floor of the shower room .   The air shower apparatus according to claim 1, wherein a pre-filter is provided on the air intake side.

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