JP2021148302A - Negative/positive pressure area unit and arrangement structure of negative/positive pressure area unit - Google Patents

Abstract

To provide a negative/positive pressure area unit installed in an indoor facility capable of executing suppression of diffusion of foreign matter such as viruses and protection of people such as medical workers by zoning a negative pressure area and a positive pressure area.SOLUTION: The negative/positive pressure area unit includes: a frame unit 11 in which a negative pressure area Np and a positive pressure area Pp are arranged side by side; a coating sheet 12 provided to the frame unit 11 so as to cover its top face and lateral face; a partition sheet 13 provided to the frame unit 11 so as to separate the negative pressure area Np and the positive pressure area Pp; and a self-supporting clean unit 20 installed and positioned with respect to the partition sheet 13 so that at least part of it is exposed to both the negative pressure area Np and the position pressure area Pp. The self-supporting clean unit 20 sucks air in the negative pressure area Np and, after removing foreign matter contained in the air, blows the air out to the positive pressure area Pp.SELECTED DRAWING: Figure 1

Description

The present invention relates to a negative / positive pressure area unit that can separate a negative pressure area and a positive pressure area by installing it in an indoor facility.

Clean rooms and booths are used in the manufacturing process of precision electronic devices, food and medical products, etc. that require a clean environment. In particular, the clean booth is often used as a structure that can obtain a locally clean environment with high cleanliness at a low price.
As an example of such a clean booth, the one described in Patent Document 1 is known. This clean booth includes a top plate that covers the upper surface, a fan filter unit arranged near the center of the top plate, and an outlet that blows clean air supplied from the fan filter unit into the booth.

JP-A-2007-155205

As described above, in the conventional clean booth, the clean air supplied from the fan filter unit is blown into the booth to keep the inside of the booth at a positive pressure, so that dust, bacteria, viruses, etc. are contained in the booth. However, since the pressure outside the booth is atmospheric pressure, the foreign matter floats outside the booth.
On the other hand, in order to suppress the spread of recent new coronavirus and new influenza virus infections, by installing them in indoor facilities such as hospitals, hotels, and gymnasiums, the so-called red zone and green zone can be clearly separated, and at the same time, the virus. It is desired to develop a unit that can suppress the spread of influenza virus and protect medical staff.

The present invention has been made in view of the above circumstances, and by installing it in an indoor facility and partitioning a negative pressure area and a positive pressure area, it is possible to suppress the spread of foreign substances such as viruses and protect people such as medical staff. It is an object of the present invention to provide a yin-yang pressure area unit capable of performing.

In order to achieve the above object, the negative / positive pressure area unit of the present invention is a negative / positive pressure area unit including a negative pressure area and a positive pressure area.
A skeleton unit in which the negative pressure area and the positive pressure area are arranged adjacent to each other,
A covering sheet provided on the skeleton unit so as to cover the upper surface and the side surface thereof,
A partition sheet provided on the skeleton unit so as to partition the negative pressure area and the positive pressure area, and
A self-supporting clean unit positioned and installed with respect to the partition sheet so that at least a part of the negative pressure area and the positive pressure area is exposed.
The self-supporting clean unit is characterized in that it sucks air in the negative pressure area, removes foreign matter contained in the air, and then blows it out to the positive pressure area.

The upper surface and the side surface of the skeleton unit are covered with a covering sheet, but the lower surface may not be covered with the covering sheet, and the covering sheet covering the side surface may be in contact with the floor surface on which the skeleton unit is installed. , There may be a slight gap between the lower end of the covering sheet and the floor surface. The side surfaces of the skeleton unit are all side surfaces that intersect the upper surface. For example, when the skeleton unit is formed in a rectangular parallelepiped shape, both side surfaces that intersect (orthogonally) the upper surface and face each other and each other. It means the opposite end faces on both sides.
Further, the self-supporting clean unit may be any as long as it is installed on the floor on which the skeleton unit is installed and can stand on its own, and further, casters or the like may be attached to the lower part of the self-supporting clean unit to make it movable.

In the present invention, since the partition sheet is provided so as to partition the negative pressure area and the positive pressure area, the negative pressure area and the positive pressure area can be separated by this partition sheet, and further, the negative pressure area and the positive pressure area can be separated. A self-supporting clean unit positioned with respect to the partition sheet is installed so that at least a part of the pressure area is exposed, and the self-supporting clean unit sucks the air in the negative pressure area and contains it in the air. After removing the foreign matter that has been removed, it is blown out to the positive pressure area, so foreign matter such as viruses can be contained in the negative pressure area, and foreign matter such as viruses invades the positive pressure area from the negative pressure area or the outside. Can be suppressed. Therefore, it is possible to suppress the spread of the virus and protect people such as medical staff.

Further, in the above-mentioned configuration of the present invention, the self-supporting clean unit is
A unit body having a suction port that opens in the negative pressure area and an air outlet that opens in the positive pressure area, and
A blower provided inside the unit body facing the air outlet, and
A filter provided inside the unit body so as to face the suction port is provided.
The blower is characterized in that air in the negative pressure area is sucked in through the suction port, passed through the filter, and then blown out from the air outlet.

According to such a configuration, by operating the blower, the air in the negative pressure area is sucked through the suction port and passed through the filter, and the filter removes foreign substances such as viruses contained in the air. Since it can be blown out from the air outlet, clean air obtained by removing foreign substances such as viruses from the air in the negative pressure area can be surely blown out to the positive pressure area.

Further, in the above-mentioned configuration of the present invention, the skeleton unit may be formed by assembling a plurality of skeleton materials.

According to such a configuration, the skeleton unit is formed by assembling a plurality of skeleton materials. Therefore, the shape and size of the skeleton unit can be determined by appropriately selecting the number, length, arrangement position, etc. of the skeleton materials. It can be decided freely and the strength of the skeleton unit can be set appropriately.

According to the present invention, the negative pressure area and the positive pressure area can be partitioned to suppress the spread of foreign substances such as viruses and protect people such as medical workers.

It shows the yin-yang pressure area unit which concerns on 1st Embodiment of this invention, and is a cross-sectional view. The same is a side sectional view. The same is a plan sectional view. It is a side view which shows the self-supporting clean unit of the yin-yang pressure area unit which concerns on 1st Embodiment of this invention. The same is the front view. FIG. 5 is a plan sectional view showing a state in which a yin-yang pressure area unit according to a second embodiment of the present invention is installed in a hospital.

Hereinafter, embodiments of the yin-yang pressure area unit according to the present invention will be described with reference to the drawings.
(First Embodiment)
1 to 3 show a state in which the yin-yang pressure area unit 10 according to the first embodiment is installed in a corridor or the like of a facility. FIG. 1 is a cross-sectional view, FIG. 2 is a side sectional view, and FIG. It is a plan sectional view.

As shown in FIGS. 1 to 3, the negative / positive pressure area unit 10 includes a negative pressure area Np and a positive pressure area Pp, and includes a frame unit 11, a covering sheet 12, a partition sheet 13, and a self-standing type. It is equipped with a clean unit 20.

The skeleton unit 11 has a negative pressure area Np and a positive pressure area Pp arranged inside, and is formed in a substantially rectangular parallelepiped shape by assembling a plurality of skeleton members 11a. The frame material 11a is formed of a cylindrical pipe made of synthetic resin or a metal such as aluminum, and there are a plurality of types having different lengths. The frame members 11a are connected to each other by a joint member 11b.
There are a plurality of types of joint members 11b, those connecting the two frame members 11a in a straight line, those connecting the three frame members 11a at right angles to each other at the corners of the frame unit 11, and the upper side surface of the frame unit 11. Some have four skeletons 11a connected at right angles to each other, some have five skeletons 11a connected at right angles to each other at the center of the upper surface of the skeleton unit 11. Further, the joint member 11b is made of synthetic resin or a metal such as aluminum, and has a joint pipe into which the end portion of the frame member 11a is inserted. The shape and the like of the joint member 11b are not limited to those described above, and the shape and the like are appropriately set according to the form in which the frame member 11a is connected.

When the skeleton unit 11 is assembled using such a skeleton member 11a and a joint member 11b, a plurality of skeleton members 11a are assembled in a rectangular frame shape in a plan view on the upper surface side of the skeleton unit 11 as shown in FIG. At the same time, a plurality of skeleton members 11a are assembled at right angles to the inner central portion of the rectangular frame, and the skeleton members 11a are connected to each other by a joint member 11b.
Further, on the side surface side of the frame unit 11, as shown in FIG. 2, a plurality of frame members 11a are assembled in a substantially U shape in a side view, and two frame members 11a are separated from each other by a predetermined interval inside the U-shaped frame. Assemble in a standing state, and connect the frame members 11a to each other by the joint member 11b. An installation member 11c is fixed to the lower end of the frame member 11a in an upright state, and the installation member 11c is installed on the floor surface.

Further, on the side end face side of the skeleton unit 11, as shown in FIG. 1, a plurality of skeleton members 11a are assembled in a substantially U shape in view of the side end face, and one skeleton is formed in the left and right central portions inside the U-shaped frame. The members 11a are assembled in an upright state, and the frame members 11a are connected to each other by a joint member 11b. An installation member 11c is fixed to the lower end of the frame member 11a in an upright state, and the installation member 11c is installed on the floor surface.

The covering sheet 12 is formed of, for example, a transparent vinyl chloride sheet, and is provided so as to cover the upper surface, both side surfaces, and both side end faces of the skeleton unit 11. The covering sheet 12 may be integrally formed so as to cover the upper surface, both side surfaces and both end faces of the skeleton unit 11, or a sheet covering the upper surface, both side surfaces and both end faces of the skeleton unit 11 is separately formed. Then, these plurality of sheets may be joined by welding, adhesion, or the like.
Further, the lower ends of the covering sheet 12 covering both side surfaces and both end surfaces may be in contact with the floor surface or may be slightly upward from the floor surface. Even if the lower end of the covering sheet 12 is separated upward from the floor surface and a gap is formed, the positive pressure area Pp has a positive pressure with respect to the outside, so that foreign matter can be suppressed from entering through the gap from the outside. .. Further, since the negative pressure area Np has a negative pressure with respect to the outside, it is possible to suppress the foreign matter contained in the negative pressure area Np from scattering to the outside through the gap.

Further, the covering sheet 12 covering both end faces of the skeleton unit 11 is formed so that a person can enter and exit the negative pressure area Np and the positive pressure area Pp. For example, the covering sheet 12 may be provided with a sheet-shaped door that can be opened and closed, or the covering sheet 12 can be overlapped at the central portion in the width direction, and a person can enter and exit by rolling the overlapped covering sheet 12. May be.
Even if the covering sheet 12 covering both end faces of the skeleton unit 11 is configured so that a person can enter and exit, the positive pressure area Pp is positive pressure with respect to the outside, so that the door and the gap of the covering sheet 12 on the side end face side It is possible to prevent foreign matter from entering through. Further, since the negative pressure area Np has a negative pressure with respect to the outside, it is possible to suppress the foreign matter contained in the negative pressure area Np from scattering to the outside through the door or the gap.

The partition sheet 13 is formed of, for example, a transparent vinyl chloride sheet, and is provided in the frame unit 11 so as to partition the negative pressure area Np and the positive pressure area Pp. The partition sheet 13 has a length substantially equal to the length in the longitudinal direction of the skeleton unit 11, and is arranged along the skeleton member 11a along the longitudinal direction of the central portion of the skeleton unit 11 in a plan view. It is arranged on the positive pressure area Pp side of the frame member 11a. Therefore, even if the partition sheet 13 tries to swell toward the negative pressure area Np due to the differential pressure between the positive pressure area Pp and the negative pressure area Np, the partition sheet 13 is supported by the frame member 11a, so that the swelling can be prevented. Can be suppressed.
Further, the lower end of the partition sheet 13 may be in contact with the floor surface or may be slightly upward from the floor surface. Even if the partition sheet 13 is in this way, air flows from the positive pressure area Pp to the negative pressure area Np due to the differential pressure between the positive pressure area Pp and the negative pressure area Np, so that the air is confined in the negative pressure area Np. It is possible to prevent foreign matter from entering the positive pressure area Pp.
Further, the upper end of the partition sheet 13 may be joined to the covering sheet 12 covering the upper surface of the frame unit 11 by welding, adhesion or the like, or may be in contact with the covering sheet 12.

The covering sheet 12 and the partition sheet 13 are arranged along the frame member 11a, and are locked to the frame member 11a by a locking clip (not shown).
This locking clip is formed in a substantially C-shaped ring-opening ring shape, and is elastically removable and lockable to the frame member 11a. Therefore, the covering sheet 12 and the partition sheet 13 are aligned with each other so as to be in contact with the frame material 11a, and then the locking clip is locked to the frame material 11a from above the covering sheet 12 and the partition sheet 13 to lock the covering sheet. 12 and the partition sheet 13 can be fixed to the frame member 11a. A plurality of such locking clips are arranged at predetermined intervals along the longitudinal direction of the frame member 11a, and then the covering sheet 12 and the partition sheet 13 are fixed at predetermined positions of the frame member 11a.

The self-supporting clean unit 20 sucks the air in the negative pressure area Np, removes foreign substances such as viruses and dust contained in the air with a filter, and then blows it out to the positive pressure area Pp. It is positioned on the partition sheet 13 and installed on the floor surface so that at least a part of the area Np and the positive pressure area Pp are exposed.
That is, as shown in FIG. 1, the self-supporting clean unit 20 is arranged in the negative pressure area Np from the partition sheet 13 with respect to the partition sheet 13. Conversely, the partition sheet 13 is arranged in the positive pressure area Pp from the self-supporting clean unit 20.
Therefore, in the self-supporting clean unit 20, all the surfaces facing the negative pressure area side are exposed to the negative pressure area Np, and the surfaces facing the positive pressure area side are covered with the partition sheet 13. However, a rectangular opening 13a is provided at the lower end of the partition sheet 13. Therefore, in the self-supporting clean unit 20, the lower end of the surface facing the positive pressure area side is exposed to the positive pressure area Pp through the opening 13a.
Further, as shown in FIGS. 2 and 3, four self-supporting clean units 20 are provided inside the frame unit 11 at predetermined intervals along the longitudinal direction thereof.

In addition to the above, for positioning the self-supporting clean unit 20 with respect to the partition sheet 13, for example, a rectangular opening (the lower end is open) corresponding to the width and height of the self-supporting clean unit 20 is formed in the partition sheet 13. However, the upper edge of this opening may be fixed to the upper surface of the self-supporting clean unit 20, and both side edges may be fixed to both side surfaces of the self-supporting clean unit 20. In this way, in the self-supporting clean unit 20, all the surfaces facing the negative pressure area side are exposed to the negative pressure area Np, and all the surfaces facing the positive pressure area side are exposed to the positive pressure area Pp.

As shown in FIGS. 4 and 5, the self-supporting clean unit 20 includes a unit main body 21, a blower 22, and a filter 23.
The unit main body 21 is formed in the shape of a rectangular panel having a hollow inside, and has a suction port 21a on the upper portion of one surface (left surface in FIG. 4) in FIG. The suction port 21a is formed in a rectangular shape, and a suction plate 24 (see FIG. 5) having a large number of small through holes is fitted in the suction port 21a. Further, the unit main body 21 has an outlet 21b at the lower part of the other surface (right surface in FIG. 4). The outlet 21b is formed in a rectangular shape, and an outlet plate 25 (see FIGS. 2 and 5) having a large number of small through holes is fitted in the outlet 21b. The outlet 21b has shorter long and short sides than the suction port 21a, and the outlet plate 25 has shorter long and short sides than the suction plate 24.
Further, the unit main body 21 is supported in an upright state by a support base 26. The support base 26 is formed in a plate shape extending in the thickness direction (left-right direction in FIG. 4) of the unit main body 21, and casters 27 and 27 are attached to both ends in the longitudinal direction thereof, respectively. One of the casters 27 has a stopper function.
Further, the support base 26 is attached to the lower ends of both side portions of the unit main body 21 in the width direction (left-right direction in FIG. 5).

As shown in FIG. 4, the blower 22 is provided at the lower part inside the unit main body 21 so as to face the air outlet 21b, and includes a motor 22a and blades 22b attached to the rotation shaft of the motor 22a. ing. A power cord 22c is connected to the motor 22a to supply electricity. When the blades 22b are rotated by the motor 22a, the air inside the unit body 21 is blown out from the air outlet 21b, so that the inside becomes negative pressure, the outside air is sucked from the suction port 21a, and the air flows downward. It is blown out from the exit 21b.

The filter 23 is provided inside the unit main body 21 so as to face the suction port 21a. The filter 23 includes a pre-filter 23a formed of a non-woven fabric, a mesh-like woven fabric, or the like, and a main filter 23b formed of a HEPA filter or the like, and the pre-filter 23a is closer to the suction port 21a than the main filter 23b. It is arranged so as to be.
Then, the blower 22 sucks the outside air through the suction port 21a and passes through the filter 23 by rotating the blades 22b by the motor 22a, and then blows it out from the air outlet 21b. At this time, dust and the like having a relatively large particle size contained in the air are mainly captured and removed by the pre-filter 23a, and fine substances such as bacteria and viruses are captured and removed by the main filter 23b.

In the self-supporting clean unit 20 having such a configuration, as shown in FIGS. 1 to 3, the suction port 21a of the unit body 21 faces the negative pressure area Np, and the air outlet 21b faces the positive pressure area Pp. After being placed, it will be installed on the floor.
Since the surface having the suction port 21a is not covered by the partition sheet 13, the suction port 21a is exposed in the negative pressure area Np.
The surface having the air outlet 21b is covered with the partition sheet 13, but since the rectangular opening 13a is provided in the lower part of the partition sheet 13, the air outlet 21b is in the positive pressure area Pp through the opening 13a. Be exposed.
Therefore, by operating the blower 22, the air in the negative pressure area Np is sucked through the suction port 21a and passed through the filter 23, and the filter 23 removes foreign substances such as viruses and dust contained in the air. , Can be blown out from the air outlet 21b.

As described above, according to the present embodiment, since the partition sheet 13 is provided so as to partition the negative pressure area Np and the positive pressure area Pp, the negative pressure area Np and the positive pressure area Pp are provided by the partition sheet 13. In addition, a self-supporting clean unit 20 positioned with respect to the partition sheet 13 is installed so that at least a part of the negative pressure area Np and the positive pressure area Pp is exposed. The unit 20 sucks the air in the negative pressure area Np, removes the foreign matter contained in the air, and then blows it out to the positive pressure area Pp. At the same time, it is possible to suppress the invasion of foreign substances such as viruses from the negative pressure area Np and the outside into the positive pressure area Pp. Therefore, it is possible to suppress the spread of the virus and protect people such as medical staff.

Further, as shown in FIG. 3, the side end surface side of the negative pressure area unit 10 of the present embodiment is covered with the covering sheet 12, but a person from the side end surface side has a negative pressure area Np and a positive pressure area, respectively. Since it can enter and exit Pp, it becomes a yin-yang pressure area unit 10 suitable for installation in a corridor of a facility contaminated by a virus or the like.

Further, the negative / positive pressure area unit 10 of the present embodiment sucks the air in the negative pressure area Np through the suction port 21a and passes through the filter 23 by operating the blower 22, and is contained in the air by the filter 23. Since foreign substances such as viruses can be removed and then blown out from the outlet 21b, clean air from which foreign substances such as viruses have been removed from the air in the negative pressure area Np can be reliably blown out to the positive pressure area Pp. ..

Further, since the skeleton unit 11 of the yin-yang pressure area unit 10 of the present embodiment is formed by connecting a plurality of skeleton members 11a with joint members 11b, the number, length, arrangement position, etc. of the skeleton members 11a can be determined. By appropriately selecting, the shape and size of the skeleton unit 11 can be freely determined, and the strength of the skeleton unit 11 can be appropriately set.

(Second Embodiment)
FIG. 6 is a plan sectional view showing a state in which the yin-yang pressure area unit 10A according to the second embodiment is installed in the hospital.
The difference between the yin-yang pressure area unit 10A according to the present embodiment and the yin-yang pressure area unit 10 according to the first embodiment is the number of self-supporting clean units 20 and the length of the negative pressure area Np. The points and the arrangement state of each room will be described, and the same configuration may be designated by the same reference numerals and the description thereof may be omitted.
Further, in the present embodiment, the level of negative pressure in each room is adjusted by appropriately installing the self-supporting clean unit 20 outside the negative / positive pressure area unit 10A.

As shown in FIG. 6, the negative / positive pressure area unit 10A is installed in the hospital, and a part of the hospital is divided into a negative pressure corridor (negative pressure area) Np and a positive pressure corridor (positive pressure area) Pp. ing. In the first embodiment, the negative pressure area Np and the positive pressure area Pp have the same length, but in the present embodiment, the positive pressure corridor (positive pressure area) Pp is the negative pressure corridor (negative pressure area). It is longer than Np, and one end (left end in FIG. 6) of the negative pressure corridor (negative pressure area) Np and the positive pressure corridor (positive pressure area) Pp is flush with each other. At the end (right end in FIG. 6), the positive pressure corridor (positive pressure area) Pp extends from the negative pressure corridor (negative pressure area) Np.
Further, the self-supporting clean unit 20 sucks the air in the negative pressure area Np, removes foreign substances such as viruses and dust contained in the air by the filter 23, and then blows it out to the positive pressure area Pp. , 3 units on the floor, positioned with respect to the partition sheet 13 so that at least a part is exposed to both the negative pressure area Np and the positive pressure area Pp, corridors (negative pressure corridor Np and positive pressure corridor Pp). It is installed at predetermined intervals in the longitudinal direction of.

Doorways are provided at both ends of the negative pressure corridor Np, and doorways are also provided at both ends of the positive pressure corridor Pp.
In the negative pressure corridor Np, the primary waiting room 31, and the infected person waiting rooms 32, 33, 34 are adjacent to each other in order from one end to the other end of the negative pressure corridor Np along the longitudinal direction of the negative pressure corridor Np. It is installed side by side. In addition, the primary waiting room 31 and the infected person waiting rooms 32, 33, 34 are arranged adjacent to the negative pressure corridor Np, and there are entrances and exits at the boundary between the negative pressure corridor Np and the primary waiting room 31, and the infected person waiting rooms 32, 33, 34, respectively. It is provided. Further, an examination room 35 is arranged adjacent to the infected person waiting room 34, and the examination room 35 can be accessed from the entrance / exit provided at the other end of the negative pressure corridor Np.

The waiting rooms 31 to 34 and the examination room 35 are formed by using the same frame material 11a as the frame material 11a constituting the frame unit 11A of the yin-yang pressure area unit 10A.
That is, the primary waiting room 31 is formed into a rectangular parallelepiped shape by connecting a plurality of skeleton members 11a by joint members 11b, and the infected person waiting room 32 is formed into a rectangular parallelepiped by connecting a plurality of skeleton members 11a by joint members 11b. The shape and plan view are smaller than the general waiting room, and the infected person waiting rooms 33 and 34 are also formed into a cubic shape and the same size as the infected person waiting room 32 by connecting a plurality of frame members 11a with joint members 11b. ing. However, the skeleton 11a is not arranged at the boundary between the infected person waiting rooms 33 and 34 adjacent to each other, and instead, a partition sheet 13 formed of a transparent beer chloride sheet is provided.
Further, a skeleton 11a and a partition sheet 13 are provided at the boundary between the primary waiting room 31 and the infected person waiting room 32 adjacent to each other, and the skeleton 11a and the partition sheet are also provided at the boundary between the infected person waiting rooms 32 and 33 adjacent to each other. 13 is provided. Further, a frame material 11a and a partition sheet 13 are also provided at the boundary between the infected person waiting room 34 and the examination room 35 adjacent to each other. Further, a frame member 11a and a covering sheet 12 are provided at the boundary between each chamber 31 to 35 and the outside. The covering sheet 12 is also provided on the upper surfaces of the chambers 31 to 35.
Further, the partition sheet 13 for partitioning each room 31 to 35 and the negative pressure corridor Np is provided with an entrance / exit.

In addition, a self-supporting clean unit 20 is provided at the boundary between each room 31 to 35 and the outside. These self-supporting clean units 20 are positioned on the covering sheet 12 and installed on the floor surface so that at least a part of them is exposed to both the rooms 31 to 35 and the outside.
By controlling the output of the self-supporting clean unit 20 and the self-supporting clean unit 20 provided in the yin-yang pressure area unit 10A, the negative pressure corridor Np, the primary waiting room 31, the infected person waiting room 32, 33, 34 and the examination room 35 The internal pressure of is set as follows.
That is, assuming that the index indicating the negative pressure is "-1", "-2", and "-3" in descending order of the degree of negative pressure, the negative pressure corridor Np is "-2" and the primary waiting room 31 is "-1". , The infected person waiting rooms 32, 33, 34 are set to "-3", and the examination room is set to "-1". The positive pressure corridor Pp is set to "+2".

By setting the negative pressure degree of each room 31 to 35 in this way, the negative pressure degree of the infected person waiting rooms 32, 33, 35 is the highest as "-3", that is, the lowest pressure, so that the infected person waiting room Air does not flow out from 32, 33, 35 to the outside, the primary waiting room 31, the negative pressure corridor Np, and the examination room 35. Therefore, foreign substances such as viruses can be contained in the infected person waiting rooms 32, 33, and 35.
Further, since the pressure in the negative pressure corridor Np is lower than that in the primary waiting room 31, air does not flow out from the negative pressure corridor Np to the primary waiting room 31. Therefore, foreign substances such as viruses do not flow into the primary waiting room 31 from the negative pressure corridor Np due to the flow of air, and it is possible to suppress an increase in the concentration of foreign substances such as viruses in the primary waiting room 31 and to the outside. Can be prevented from leaking.

Further, since the pressure in the negative pressure corridor Np is lower than that in the examination room 35, air does not flow out from the negative pressure corridor Np to the examination room 35. Therefore, foreign substances such as viruses do not flow into the examination room 35 from the negative pressure corridor Np due to the flow of air, and it is possible to suppress an increase in the concentration of foreign substances such as viruses in the examination room 35 and to the outside. Can be prevented from leaking.
Further, in the examination room 35, a plurality of self-supporting clean units 20 are installed, and doctor chairs and viewers are arranged in this order so that the doctor and the patient are arranged in this order in front of the air outlet of the self-supporting clean unit 20. Since the chair is arranged, the clean air blown out from the self-supporting clean unit 20 flows from the doctor toward the viewer, and this clean air is sucked into the self-supporting clean unit 20 behind it to prevent viruses and the like. After the foreign matter is removed, it is blown out to the outside. Therefore, even if the viewer is contaminated with a virus or the like, the infection of the virus to the doctor can be suppressed.

Needless to say, the yin-yang pressure area unit 10A of the present embodiment can obtain the same effect as the yin-yang pressure area unit 10 of the first embodiment.

Np Negative pressure area Pp Positive pressure area 10,10A Negative pressure area unit 11,11A Frame unit 11a Frame material 12 Covering sheet 13 Partition sheet 20 Free-standing clean unit 21 Unit body 21a Suction port 21b Blower 22 Blower 23 Filter

Claims (3)

A negative / positive pressure area unit with a negative pressure area and a positive pressure area.
A skeleton unit in which the negative pressure area and the positive pressure area are arranged adjacent to each other,
A covering sheet provided on the skeleton unit so as to cover the upper surface and the side surface thereof,
A partition sheet provided on the skeleton unit so as to partition the negative pressure area and the positive pressure area, and
A self-supporting clean unit positioned and installed with respect to the partition sheet so that at least a part of the negative pressure area and the positive pressure area is exposed.
The self-supporting clean unit is a negative / positive pressure area unit characterized in that it sucks air in the negative pressure area, removes foreign matter contained in the air, and then blows it out into the positive pressure area. The self-supporting clean unit
A unit body having a suction port that opens in the negative pressure area and an air outlet that opens in the positive pressure area, and
A blower provided inside the unit body facing the air outlet, and
A filter provided inside the unit body so as to face the suction port is provided.
The negative pressure positive pressure area unit according to claim 1, wherein the blower sucks air in the negative pressure area through the suction port, passes the air through the filter, and then blows out the air from the air outlet. The yin-yang pressure area unit according to claim 1 or 2, wherein the skeleton unit is formed by assembling a plurality of skeleton materials.

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