JP2022189683A - booth unit - Google Patents

Abstract

To provide a booth unit capable of making user's voice hardly leak into a neighboring booth device since a user of a booth device uses in a direction different from a neighboring booth.SOLUTION: A booth unit 1 constituting a booth unit is provided with a door 24 on the same face along a direction in which a plurality of booth devices 1 are continuously connected. The booth device 1 is provided with a top plate 52 of a table as a posture regulating member regulating a posture of a user so that a posture of the user of the booth device 1 faces a panel body facing the door 24. In each booth device 1, the panel body provided between the booth device and a neighboring booth device 1 is provided with a sound absorbing panel 42 as a sound absorbing portion.SELECTED DRAWING: Figure 2

Description

This disclosure relates to a booth unit in which a plurality of booth devices forming a private room that can be used by one person or a small number of people are connected.

Conventionally, a private room booth has been disclosed in which a user of the private room faces a side plate perpendicular to the door of the private room (see, for example, Patent Literature 1).

JP 2019-28995 A

In the technique described in Patent Document 1, when a plurality of private rooms are connected, the user of the private room faces toward the adjacent private room, so voice such as utterance tends to leak into the adjacent private room. Accordingly, an object of the present disclosure is to solve the problems related to the above.

A booth unit according to a first aspect of the present invention is a booth unit in which a plurality of booth devices forming a private room are connected, wherein the booth device has an upward opening and a plurality of booths grounded on the floor. The panel bodies are connected to each other at the corners by a plurality of connecting members to form a rectangular shape in plan view, and each of the booth devices has a door on the same surface along the direction in which the plurality of booth devices are connected. At least one of the plurality of booth devices is provided with a posture regulating member for regulating the posture of the user using the booth device so that the user faces the panel body facing the door. is provided, and a sound absorbing portion is provided in the panel body provided between the adjacent booth devices in each of the booth devices.

According to the booth unit according to the first aspect, since the user using the booth device uses it in a direction different from that of the adjacent booth device, it is difficult for the user's voice to leak to the adjacent booth device. be able to.

In the booth unit according to the first aspect, the sound absorbing portion provided in the panel body may be configured by attaching a sound absorbing panel to the panel body, or may be configured such that the panel body itself has a sound absorbing function.

In the booth unit according to the first aspect, the posture regulating member is a table top, a chair, a display, etc., which regulates the posture of the user when using the booth device to face the panel facing the door. It is possible to adopt any of the things that can be done.

In the booth unit according to the second aspect of the present invention, in the booth unit according to the first aspect, the posture regulating member adjusts the posture of the user so that the user faces the panel body facing the door. A defined table top is provided.

According to the booth unit according to the second aspect, since the user who uses the top plate of the table in the booth device uses it in a direction different from the adjacent booth device, You can make your voice less likely to leak.

A booth unit according to a third aspect of the present invention is the booth unit according to the first aspect or the second aspect, wherein the posture regulating member is such that the user sits facing the panel body facing the door. A chair is provided which defines the posture of the user as follows.

According to the booth unit according to the third aspect, since the user using the chair in the booth device faces in a direction different from that of the adjacent booth device, the voice of the user leaks to the adjacent booth device. can be made difficult.

In the booth unit according to the third aspect, the posture regulating member must regulate the posture of the user when using the booth device to face the panel facing the door. Office swivel chairs, etc. that are not specified are not included.

A booth unit according to a fourth aspect of the present invention is the booth unit according to any one of the first aspect to the third aspect, wherein the door has a translucent and opaque window.

According to the booth unit according to the fourth aspect, it is possible to determine whether or not the booth device is being used from the outside, but the detailed internal situation (display screen, etc.) cannot be seen, so the possibility of information leakage can be reduced. can be done. Also, even if a camera is used inside the booth device, the outside of the booth device is not photographed. That is, it is possible to minimize the distribution of information inside and outside the booth device.

A booth unit according to a fifth aspect of the present invention is the booth unit according to any one of the first aspect to the fourth aspect, wherein the panel body provided between the adjacent booth devices in each of the booth devices is It is formed of a steel panel, and a sound absorbing panel having a sound absorbing material is assembled on the surface of the steel panel as the sound absorbing part.

According to the booth unit according to the fifth aspect, the sound absorbing panel, which is the sound absorbing portion, can be easily installed on the panel body, and the sound insulation effect and the sound absorption effect can be obtained with a simple configuration.

A booth unit according to a sixth aspect of the present invention is the booth unit according to any one of the first aspect to the fifth aspect, wherein the opening is provided with the two sheets facing each other across the door-side surface. A shielding portion is provided across the panel body for shielding an area of 30% or less of the opening area of the opening in a plan view.

According to the booth unit according to the sixth aspect, by reflecting the voices of the users inside the booth device with the roof member, the sound insulation of the booth device is further improved without impeding water spraying from above. be able to.

A booth unit according to a seventh aspect of the present invention is the booth unit according to any one of the first aspect to the sixth aspect, wherein the two panel bodies facing each other across the door side face include the A speaker is provided at a side position of the head of the user who is in the posture of using the booth device.

According to the booth unit according to the seventh aspect, by arranging the speaker near the user's ear, the volume output from the electronic device can be reduced, so that the sound is less likely to leak to the adjacent booth device. be able to.

The booth unit according to the present invention described above has the following effects.

According to the booth unit according to the first aspect, it is possible to make it difficult for the user's voice to leak to the adjacent booth device.

According to the booth unit according to the second aspect, it is possible to make it difficult for the user's voice to leak to the adjacent booth device.

According to the booth unit according to the third aspect, it is possible to make it difficult for the user's voice to leak to the adjacent booth device.

According to the booth unit according to the fourth aspect, it is possible to minimize the distribution of information inside and outside the booth device.

According to the booth unit according to the fifth aspect, a sound insulation effect and a sound absorption effect can be obtained with a simple configuration.

According to the booth unit according to the sixth aspect, it is possible to further improve the sound insulation of the booth device without impeding water spraying from above.

According to the booth unit according to the seventh aspect, it is possible to make it difficult for the sound to leak to the adjacent booth devices.

The perspective view which showed the booth apparatus which concerns on 1st embodiment. The perspective view which showed the internal structure of the booth apparatus which concerns on 1st embodiment. FIG. 2 is a sectional view taken along line YY in FIG. 1; The top view which showed the booth apparatus which concerns on 1st embodiment. The perspective view which showed the assembly|attachment structure of a mounting frame. The perspective view which showed the assembly structure of a speaker and a sound-absorbing panel. (a) to (c) are an enlarged cross-sectional view along the X1-X1 line, an enlarged cross-sectional view along the X2-X2 line, and an enlarged cross-sectional view along the X3-X3 line in FIG. 1, respectively. The perspective view which showed the assembly|attachment structure of the side plate and top plate with respect to a support|pillar. (a) and (b) are a plan view and a perspective view showing an assembly configuration of the strut and the side plate. The perspective view which showed the booth unit which concerns on 1st Example. The perspective view which showed the state which assembled|attached a mounting frame with respect to a side plate. (a) and (b) are a perspective view and a plan view showing an assembly structure of the side plate and the mounting frame. (a) and (b) are respectively a plan view showing the configuration of the measurement test and a diagram showing the results of the measurement test. The perspective view which showed the booth unit which concerns on 2nd Example. The perspective view which showed the booth apparatus which concerns on 2nd embodiment. The perspective view which showed the internal structure of the booth apparatus which concerns on 2nd embodiment. Y2-Y2 line sectional view in FIG. The top view which showed the booth apparatus which concerns on 2nd embodiment. The top view which showed the booth unit which concerns on 2nd Example. The top view which showed the booth unit which concerns on a 3rd Example.

[Booth device 1]
Below, the booth apparatus 1 which concerns on 1st embodiment of this invention is demonstrated using FIGS. 1-9. As shown in FIGS. 1 and 2, the booth apparatus 1 according to the present embodiment is placed on the floor and used by one person or a small number of people to use the room. The booth device 1 is mainly configured by combining metal members such as steel or aluminum alloy. In this embodiment, the direction of the booth device 1 is defined by the arrows in FIG.

As shown in FIGS. 1 and 2, the booth apparatus 1 according to the present embodiment includes a cylindrical peripheral wall 2 having an opening 2a formed thereon. As shown in FIGS. 1, 2 and 4, the peripheral wall 2 is rectangular in plan view. The peripheral wall 2 includes pillars 21 arranged at four corners in the vertical direction, side plates 22 arranged on both sides of the peripheral wall 2, door frame panels 23 and doors 24 arranged on the front part of the peripheral wall 2, and the peripheral wall. It consists of a back plate 25 arranged at the rear.

As shown in FIGS. 1 and 4, the support columns 21 are columnar members arranged at the four corners of the peripheral wall 2 and to which the side plates 22, the door frame panel 23, the door 24, and the back plate 25 are assembled. A side cover member 21 a is attached to the side surface of the support 21 exposed to the outside in the peripheral wall 2 . A top cover member 21b is attached to the top surface of the column 21. As shown in FIG.

As shown in FIGS. 8 and 9(a), the strut 21 is formed with ridges 21c along the longitudinal direction, which protrude obliquely in the front, rear, left, and right directions and serve as the corners of the strut 21. As shown in FIG. A large number of engaging holes 21d are formed on the outer surface of the ridge portion 21c. A space between the ridges 21c is formed as an insertion portion 21e into which a connection member such as the side plate 22 can be inserted or a wiring cord C can be inserted (see FIGS. 9A and 9B). ).

The side plate 22 and the back plate 25 are assembled to the post 21 via connecting members 22b and 25b fixed to the upper portions of the side plate 22 and the back plate 25, respectively. Specifically, as shown in FIG. 9A, locking portions are formed at the ends of the connecting members 22b and 25b, and the locking portions extend from the end surfaces of the side plate 22 and the back plate 25. As shown in FIG. The connecting members 22b and 25b are connected to the support 21 by inserting the engaging portion between the protrusions 21c and 21c of the support 21 . The lower portions of the side plates 22 and the back plate 25 are also connected to the struts 21 in the same manner as the upper portions. Also, the door frame panel 23 is assembled to the post 21 in the same manner as the side plate 22 and the back plate 25 .

As shown in FIG. 1, the door frame panel 23 and the door 24 are assembled via a hinge H so as to be rotatable. The door 24 is provided with a doorknob 24a. A door closer 24b is provided on the upper rear surface of the door 24. As shown in FIG. In this embodiment, the door 24 is assembled with a transparent glass panel, but the door 24 may be made of an opaque material.

In this embodiment, two side plates 22 are arranged on both sides of the peripheral wall 2 so as to be connected to each other. Grooves 22a communicating with each other are formed in the upper sides of the side plates 22, respectively. As shown in FIGS. 11 and 12, locked portions 22c are formed along the longitudinal direction on the inner surface of the groove portion 22a so as to protrude in opposition to each other. A groove portion 25 a is also formed on the upper side of the back plate 25 .

Note that the outer dimensions of the peripheral wall 2 can be changed by changing the width dimensions (horizontal length dimensions perpendicular to the thickness direction) of the side plates 22, the door frame panel 23 and the door 24, and the back plate 25. can be done. That is, the size of the booth apparatus 1 in the front, rear, left, and right directions can be appropriately changed by changing the outer dimensions of the peripheral wall 2 .

As shown in FIGS. 2 to 4, of the inner surface of the peripheral wall 2, on the rear portion of the side plate 22 and the back plate 25 (opposite side of the door 24), a plurality of sound absorbing panels 42 made of a sound absorbing material such as non-woven fabric are provided. be provided. According to the booth apparatus 1 according to the present embodiment, by absorbing the voice of the user inside the booth apparatus 1 with the sound absorbing panel 42, the sound insulation of the booth apparatus 1 (interaction between the inside and the outside of the booth apparatus 1 It is configured to increase the attenuation of the sound volume transmitted between them. In addition, in this embodiment, a plurality of sound absorbing panels 42 are vertically divided and provided, and can be attached and detached to and from the peripheral wall 2 independently of each other.

In the booth apparatus 1 according to this embodiment, the opening 2a of the peripheral wall 2 is provided with a roof member 31, a first louver member 32, and a second louver member 33 as shielding portions as shown in FIGS. ing. In this embodiment, the roof member 31, the first louver member 32, and the second louver member 33, which are shielding portions, are configured to expose a sound absorbing material such as nonwoven fabric.

In this embodiment, the roof member 31, the first louver member 32, and the second louver member 33, which are shielding portions, are configured to shield an area of 30% or less of the opening area of the opening 2a in plan view. ing. As a result, when a fire breaks out, water can be sprayed from above by a sprinkler or the like.

As shown in FIGS. 1 and 2, the roof member 31 is a plate-shaped member arranged substantially horizontally so that the horizontal dimension (the front-back dimension and the left-right dimension) is larger than the height dimension. As shown in FIG. 7(b), the roof member 31 has a roof body portion 31a which is recessed in the vertical direction so as to have a rectangular shape in a plan view, and hook-shaped portions formed on both left and right sides of the roof body portion 31a. and an engaging portion 31b. In the booth device 1 , the roof member 31 is assembled to the peripheral wall 2 by engaging the engaging portion 31 b of the roof member 31 with the groove portion 22 a of the opposing side plate 22 .

As shown in FIGS. 1 to 4 , the roof member 31 of the booth device 1 has an open space between two side edges facing each other in the front-rear direction and the peripheral wall 2 . In other words, a gap is formed between the front and rear sides of the roof member 31 and the peripheral wall 2 (the door frame panel 23, the door 24, and the back plate 25).

Four first louver members 32 are provided in gaps between the roof member 31 and the door frame panel 23 and door 24 . Four second louver members 33 are provided in the gap between the roof member 31 and the back plate 25 . The number of each louver member is not limited, and other numbers are possible.

As shown in FIGS. 1 and 2, the first louver member 32 and the second louver member 33 are plate-like members arranged so that their vertical and horizontal dimensions are larger than their front-to-rear dimensions. As shown in FIG. 7B, the first louver member 32 has a plate-like first louver portion 32a arranged parallel to the door 24, and is formed on both left and right sides of the first louver portion 32a. A hook-shaped first engaging portion 32b is provided. As shown in FIG. 7(c), the second louver member 33 has a plate-like second louver portion 33a arranged parallel to the back plate 25, and is formed on both left and right sides of the second louver portion 33a. and a hook-shaped second engaging portion 33b.

As shown in FIGS. 7A and 7C, in the booth apparatus 1, the first engaging portion 32b and the second engaging portion 33b are engaged with the groove portions 22a of the side plates 22 facing each other, thereby A first louver member 32 and a second louver member 33 are assembled to the peripheral wall 2 . In this embodiment, as shown in FIG. 7(c), the sound absorbing panel 42 is provided on the side plate 22 at the portion where the second louver member 33 is assembled, so that the second louver portion 33a is replaced by the first louver portion 32a. It is formed so that the width dimension in the left-right direction is smaller than that.

In the booth device 1 according to the present embodiment, the engaging portion 31b of the roof member 31, the first engaging portion 32b of the first louver member 32, and the second engaging portion 33b of the second louver member 33 are It is possible to provide it at any position in the front-rear direction in the groove portion 22a. By forming a plurality of slits at predetermined intervals in the groove portion 22a and inserting the engaging portion 31b, the first engaging portion 32b, and the second engaging portion 33b into the slits, the roof member 31, the second It is also possible to adopt a configuration in which the front and rear positions of the first louver member 32 and the second louver member 33 are regulated. A positioning metal fitting having a slit is fixed to the groove portion 22a along the longitudinal direction of the groove portion 22a, and the engaging portion 31b, the first engaging portion 32b, and the second engaging portion 33b are attached to the slit of the positioning metal fitting. By inserting them, it is also possible to assemble the roof member 31, the first louver member 32, and the second louver member 33 in a state of being positioned in the groove portion 22a.

As described above, in the booth device 1 according to the present embodiment, since the roof member 31 reflects the vocalization of the user inside the booth device 1, the vocalization is less likely to be emitted to the outside of the booth device 1. The sound insulation of the booth device 1 can be enhanced. In addition, since the space between the two sides of the roof member 31 that face each other in the front-rear direction and the peripheral wall 2 is open, water spraying from above by a sprinkler or the like is not hindered.

In addition, in the booth apparatus 1 according to the present embodiment, by reflecting the voices of the users inside the booth apparatus 1 between the first louver members 32 and between the second louver members 33, the voices can be heard. Since it becomes difficult to be discharged|emitted to the exterior of the booth apparatus 1, the sound insulation of the booth apparatus 1 can be improved more.

In the booth apparatus 1 according to the present embodiment, speakers S are provided on inner peripheral surfaces (inner surfaces of the side plates 22) of the peripheral wall 2 facing each other in the left-right direction. As shown in FIGS. 3 and 4, the speaker S is attached to the side plate 22 via the mounting frame 41. As shown in FIGS. The mounting frame 41 is a ladder-shaped optional mounting frame composed of a frame body, and is a connecting member inserted between the side plate 22 and the sound absorbing panel 42 .

As shown in FIG. 5, the mounting frame 41 includes a locking portion 41a formed at the upper end, a frame 41b serving as a framework for the mounting frame 41, and a support plate 41c provided on the frame 41b to which the speaker S is fixed. , provided. When assembling the mounting frame 41 to the side plate 22, first, the locking portion 41a is locked to the groove portion 22a of the side plate 22 as shown in FIG.

After that, as shown in FIG. 6, the speaker S is attached to the support plate 41c. Moreover, the attachment frame 41 is covered by attaching the sound absorbing panel 42 to the side plate 22 . Further, as shown in FIG. 3, a sound absorbing panel 42 having a window 42a is assembled around the speaker S, whereby the booth apparatus 1 is configured with the speaker S exposed to a part of the sound absorbing panel 42. . In this embodiment, the surface of the speaker S is covered with a cover member made of mesh fabric or the like.

As shown in FIG. 4, in the booth device 1 according to the present embodiment, the speaker S and the roof member 31 are provided in an overlapping region in plan view. Thus, by reflecting the voice from the speaker S on the roof member 31, the voice from the speaker S is hardly emitted to the outside of the booth device 1, so that the sound insulation of the booth device 1 can be further enhanced. It is preferable to adopt a directional speaker as the speaker S from the viewpoint of making it difficult to emit the voice from the speaker S to the outside. In addition, by arranging the speakers S so as to sandwich the user from the left and right sides, it is possible to suppress the volume of the speakers S, so that the utterances from the speakers S are less likely to leak outside the booth device 1. .

In the booth apparatus 1 according to this embodiment, the sound absorbing panel 42 is attached to the mounting frame 41 via resin rivets or the like. The sound absorbing panel 42 is attached to the side plate 22 and the back plate 25 by attracting a magnetic material fixed to the sound absorbing panel 42, or the sound absorbing panel 42 is fixed to the side plate 22 and the back plate 25 by adhesion. Configurations are also possible.

A top plate 52 is provided along the back plate 25 inside the booth device 1 according to the present embodiment. Specifically, as shown in FIG. 8, the engaging portion 51a formed on the top plate bracket 51 is engaged with the engaging hole 21d of the support 21 so that the two supports positioned at the rear of the booth apparatus 1 are engaged. A top plate bracket 51 is attached to each of 21 and 21 . By fixing the top plate 52 to the top of the two top plate brackets 51, 51, the top plate 52 is provided inside the booth device 1 at the rear (position along the back plate 25).

In the booth apparatus 1 according to the present embodiment, as shown in FIGS. 3 and 8, a tray 53 is provided between two top plate brackets 51 for accommodating communication equipment, wiring, and the like. A cover 54 for covering the upper side of the tray 53 is fixed on the front side of the tray 53 .

As shown in FIGS. 2 to 4, in the booth apparatus 1 according to this embodiment, the rear end portion of the top plate 52 is arranged near the roof member 31 in plan view. Since the user of the booth apparatus 1 often speaks while sitting near the front side of the top plate 52, by bringing the rear end portion of the top plate 52 and the roof member 31 close to each other in a plan view as described above, the booth device 1 user's head can be positioned below the roof member 31 . As a result, it is possible to make it easier for the roof member 31 to reflect the voice of the user of the booth device 1 . That is, according to the booth device 1 according to the present embodiment, since it is possible to make it difficult for the voice of the user to be emitted from the outside of the booth device 1, it is possible to further improve the sound insulation of the booth device 1 ( See test results below).

In particular, in the booth device 1 according to this embodiment, the roof member 31 is fixed to the two side plates 22,22. As a result, since the vocalization inside the booth device 1 can be reflected by the roof member 31 in the vicinity of the side plates 22, 22, the vocalization can be made difficult to be transmitted to the outside of the booth device 1. - 特許庁

Moreover, by locating the head of the user of the booth device 1 below the roof member 31 as in the present embodiment, it is possible to suppress the external sound of the booth device 1 from reaching the user. That is, in the booth apparatus 1 according to the present embodiment, the roof member 31 blocks external sounds coming from above the user, thereby making it possible to further improve sound insulation.

[Booth unit 100]
Next, the booth unit 100 according to the first embodiment of the present invention will be explained using FIG. In the booth unit 100 according to the present embodiment, two booth apparatuses 1 according to the embodiment are arranged continuously in the left-right direction. Since the constituent members constituting the booth unit 100 are the same as those of the booth device 1, detailed description thereof will be omitted.

In the booth unit 100 according to the present embodiment, the left and right booth apparatuses 1 share two support columns 21 and side plates 22 arranged therebetween. For this reason, in the booth unit 100 according to the present embodiment, the mounting frames 41, 41 assembled facing the same side plate 22 are configured to be provided at the same position in the front-rear direction without interference.

More specifically, as shown in FIGS. 11 and 12(a), the mounting frame 41 in this embodiment has a claw-shaped engaging portion 41a perpendicular to a fixing plate 41d formed at the upper end of a frame 41b. It is formed by bending. At this time, as shown in FIG. 12(b), the distance from the center line L of the fixing plate 41d to the left engaging portion 41a is formed to be greater than the distance to the right engaging portion 41a. .

As a result, as shown in FIGS. 12A and 12B, when the mounting frame 41 is opposed to and engaged with the groove 22a of the side plate 22 and the engaging portion 41a is engaged with the engaged portion 22c, , the center lines of the fixing plates 41d can be aligned. In other words, the mounting frames 41, which are assembled facing each other, can be provided at the same position in the front-rear direction on the side plate 22 without interfering with each other.

In the booth unit 100 according to this embodiment, the roof member 31 provided on each booth device 1 is one of the peripheral walls 2 arranged between the adjacent booth devices 1 (two booths in this embodiment). A side plate 22 provided between the devices 1) and the other peripheral wall 2 facing the one peripheral wall 2 (in this embodiment, the side plates 22 provided on the outer side in the left and right direction of the booth unit 100), Fixed.

According to the booth unit 100 configured as described above, mutual vocalizations inside the adjacent booth devices 1.1 can be reflected by the roof member 31 in the vicinity of the side plates 22.22. As a result, the vocalization is less likely to leak to the outside on the side of the booth device 1, so that the vocalization is less likely to be transmitted between the booth devices 1,1. That is, it is possible to further improve the sound insulation between the booth devices 1.1.

A top plate 52 is provided inside each booth device 1 in the booth unit 100 according to the present embodiment along the back plate 25 intersecting the side plate 22 (see FIG. 2). Thereby, the user using the top board 52 can be made to face the back board 25 inside each booth apparatus 1.1. Therefore, the user can speak in a direction perpendicular to the adjacent booth devices 1.1 (backward in this embodiment), so that the sound insulation between the adjacent booth devices 1.1 can be further enhanced. becomes possible.

Also, when using the booth unit 100 according to the present embodiment, from the viewpoint of minimizing the influence of sound leakage to the outside, the back plate 25 of the booth device 1 constituting the booth unit 100 is brought closer to the wall. It is preferable to keep

[Measurement test results]
Next, the results of a measurement test conducted by the applicant to verify the sound insulation of the booth unit 100 will be described with reference to FIG. As shown in FIG. 13(a), the applicant of the present application used two consecutive booth devices (speech booth Bs and measurement booth Bm) similar to the booth unit 100 to test the mutual sound insulation.

In this test, the vocalization booth Bs and the measurement booth Bm had the same configuration as the peripheral wall 2 of the booth apparatus 1, and were configured to meet the same conditions. Also, sound absorbing panels P similar to the sound absorbing panels 42 provided in the booth apparatus 1 are arranged on the left, right, and front sides of the room. Then, as indicated by an arrow St, the subject uttered forward at 500 Hz from a speaker placed at the utterance point Ps in the center of the utterance booth Bs. Furthermore, the sound volume was measured at the measurement point Pm in the center of the measurement booth Bm adjacent to the utterance booth Bs.

In this test, as shown in FIG. 13(b), Tests 1 to 5 were conducted under different arrangement conditions of the roof member and the louver member. Specifically, Test 1 was configured without a roof member and a louver member. In Test 2, the upper opening was entirely closed with a roof member and no louver member was provided. In Test 3, 30% of the front portion of the upper opening was closed with a roof member and no louver member was provided. In Test 4, 30% of the overhead of the upper opening (above the vocalization point Ps and the measurement point Pm) was closed with a roof member, and no louver member was provided. In Test 5, a roof member was provided above the upper opening (above the vocalization point Ps and the measurement point Pm), and a total of 10 louver members were provided in front and behind the roof member. was configured to be blocked by a total of 30%.

In this test, as shown in FIG. 13(b), for each of Tests 1 to 5, the sound volume was measured in the vicinity of the vocalization point Ps (hereinafter referred to as "basic conditions"). The effect of reducing the sound volume was measured. That is, in Test 1 in which no roof member was provided, a volume reduction effect of 19.1 dB was confirmed with respect to the basic conditions. Also, Test 2, in which all the openings were closed with the roof member, confirmed a high sound volume reduction effect of 28.7 dB compared to the basic conditions.

On the other hand, as shown in FIG. 13(b), in Test 3, in which 30% of the front was closed with the roof member, the volume reduction effect was only 20.2 dB compared to the basic conditions, and there was no major difference from Test 1 in which no roof member was provided. was not seen. Also, in Test 4, in which 30% of the overhead was closed with the roof member, a sound volume reduction effect of 25.2 dB was confirmed with respect to the basic conditions. In this way, according to this test, when the roof member is placed above the vocalization point (above the booth user's head), there is a sound volume reduction effect of 5 dB or more compared to when the roof member is placed in front. It was confirmed that high sound insulation is exhibited without impeding water sprinkling.

In addition, Test 5, in which 30% of the overhead was closed with roof members and louver members, was 27.9 dB against the basic conditions, confirming a sound volume reduction effect as high as Test 2, in which all openings were closed with roof members. was done. In this way, it was confirmed by this test that sound insulation can be further improved by arranging louver members in addition to roof members.

[Other Modifications]
The above embodiment can be appropriately modified as shown in other modified examples below. It should be noted that each modification described in this specification may be applied in combination with another modification within a range that does not cause contradiction.

The booth device may have a shape other than a rectangular shape in plan view. For example, the booth device can be circular, triangular, pentagonal, or trapezoidal in plan view.

The roof member 31 in the booth device 1 is not only open between the two laterally facing sides and the peripheral wall 2 as in this embodiment, but also when the two laterally opposing sides and the peripheral wall are open. 2 may be open. In addition, there is no problem even if three or more side edges in the front, rear, left, and right directions and the peripheral wall 2 are open.

In the booth device 1, the roof member 31, the first louver member 32, and the second louver member 33 are provided as shielding portions for shielding the opening 2a of the peripheral wall 2, but only the roof member 31 is provided as the shielding portion. It is also possible to configure Also, in the booth device 1, it is also possible to configure the roof member by configuring the shielding part only with louver members and rotating some of the louver members to connect them to the adjacent louver members.

In the booth device 1, the roof member 31, the first louver member 32, and the second louver member 33, which are shielding parts, are not limited to being made of non-woven fabric, and are made of other materials that can reflect sound, such as steel plates. You can It is also possible to construct a sound absorbing panel by inserting a sound absorbing material inside a panel body made of steel plate.

In the booth apparatus 1, it is also possible to adopt a configuration in which either one or both of the sound absorbing panel 42 and the speaker S are not provided. Moreover, it is also possible to adopt a configuration in which the sound absorbing panel 42 is provided only on the rear portion of the booth device 1 or only on the side portion thereof. Moreover, it is also possible to configure the speaker S to be provided at the rear of the booth apparatus 1 .

In the booth unit 100, it is also possible to install the roof member 31 in the booth device 1 so that the longitudinal direction thereof is oriented in the front-rear direction. It is also possible to adopt a configuration in which the top plate 52 of the booth device 1 is provided along the side plate 22 (a configuration in which the user faces the side plate 22 when used).

[Booth unit 200]
Next, a booth unit 200 according to a second embodiment of the present invention will be described using FIGS. 14 to 19. FIG. A booth unit 200 according to the present embodiment is configured by connecting a plurality of booth apparatuses 1A according to the second embodiment of the present invention to each other in the left-right direction to form a private room. In the booth unit 200 according to this embodiment, three booth apparatuses 1A are connected to each other.

In the booth unit 200 (300) shown in the following examples, the main constituent members constituting the booth device 1A (1B) are the same as the constituent members of the booth device 1 according to the above embodiment. Further, since the configuration for connecting the booth apparatuses 1A (1B) to each other is the same as that of the booth unit 100 according to the above-described embodiment, detailed description of common members will be omitted.

In the booth unit 200 according to this embodiment, as shown in FIGS. 14 to 19, the booth apparatus 1A has a cylindrical peripheral wall 2 with an upward opening 2a. In the booth apparatus 1A, a plurality of panel bodies (side plates 22, door frame panels 23 and doors 24, and a back plate 25) grounded on the floor of the peripheral wall 2 are corner-connected to each other by a plurality of connecting members (pillars 21). are formed in a rectangular shape in a plan view. Further, each booth device 1A is provided with a door 24 on the same plane (front face) along the left-right direction, which is the direction in which the plurality of booth devices 1A are connected.

As shown in FIGS. 16 to 18, among the inner surfaces of the peripheral wall 2, on the rear portion of the side plate 22 and the back plate 25 (opposite side of the door 24), a plurality of sound absorbing panels 142 made of a sound absorbing material such as non-woven fabric are provided. be provided. Also in the booth apparatus 1A according to the present embodiment, by absorbing the utterances from the user inside the booth apparatus 1 with the sound absorbing panel 142, the sound insulation of the booth apparatus 1 (the mutual space between the inside and the outside of the booth apparatus 1 It is configured to increase the attenuation of the sound volume transmitted in the. In addition, in this embodiment, a plurality of sound absorbing panels 142 are divided into five pieces in the vertical direction and provided, and each panel can be attached to and detached from the peripheral wall 2 independently.

As shown in FIG. 17, the sound absorbing panel 142 is attached to the side plate 22 and the back plate 25 via the mounting frame 141. As shown in FIG. The mounting frame 141 is a connecting member inserted between the side plate 22 and the sound absorbing panel 142, and also functions as an optional mounting member for mounting the speaker Sa as described later. An upper end portion of the mounting frame 141 is covered with an upper cap 141d. Also, the mounting frame 141 exposed between the sound absorbing panels 142 is covered with a cap 145 .

In the booth apparatus 1A according to the present embodiment, speakers Sa are provided on inner peripheral surfaces (inner surfaces of the side plates 22) of the peripheral wall 2 facing each other in the left-right direction. The speaker Sa in this embodiment has a substantially rectangular front surface (the surface facing the user), and substantially the entire front surface is configured as an audio output section So. As shown in FIG. 17, the speaker Sa is attached to the side plate 22 via a mounting frame 141, which is an optional mounting member.

Optional members other than the speaker Sa can be attached to the attachment frame 141, which is an option attachment member. For example, in the booth apparatus 1A according to this embodiment, the illumination I and the display D are attached to the mounting frame 141 that supports the sound absorbing panel 142 on the back plate 25 .

In the booth apparatus 1A according to this embodiment, as shown in FIGS. 133 are provided.

In the booth apparatus 1A, the support members 130 are engaged with the grooves 22a of the side plates 22 on both left and right sides. A roof member 131 , a first louver member 132 , and a second louver member 133 are bridged between the support members 130 and 130 . Thereby, a roof member 131, a first louver member 132, and a second louver member 133 are provided as shielding portions for shielding the opening 2a.

In this embodiment, the support member 130, the roof member 131, the first louver member 132, and the second louver member 133, which are shielding portions, are configured to expose a sound absorbing material such as nonwoven fabric. In addition, the support member 130, the roof member 131, the first louver member 132, and the second louver member 133, which are shielding portions, shield an area of 30% or less of the opening area of the opening 2a in plan view (shielding rate is 30% or less). As a result, when a fire breaks out, water can be sprayed from above by a sprinkler or the like.

The booth device 1A in this embodiment is provided with a posture regulating member that regulates the posture of the user so that the user using the booth device 1A faces the back plate 25, which is the panel body facing the door 24. It is In the booth unit 200 according to the present embodiment, a table top plate 152 is provided as a posture regulating member for regulating the posture of the user so that the user faces the backboard 25 .

Specifically, as shown in FIGS. 16 and 17, the top plate support portion 151 is fixed to the support column 21, and the top plate 152 is fixed to the top of the two top plate support portions 151, so that the top plate 152 is It is provided in the rear inside (position along the back plate 25) of the booth apparatus 1A. As shown in FIG. 17, the top plate 152 provided in the booth apparatus 1A according to this embodiment is a top plate for work provided so that the user can use it facing the back plate 25, which is the front wall.

In the booth apparatus 1A according to this embodiment, as shown in FIG. 17, a tray 153 for accommodating communication equipment, wiring, etc. is provided between two top panel support portions 151. As shown in FIG. A cover 154 for covering the upper side of the tray 153 is fixed on the front side of the tray 153 .

As described above, according to the booth unit 200 according to the present embodiment, the user using the booth device 1A uses the booth device 1A in a direction different from that of the adjacent booth device 1A. Specifically, when using the top plate 152 of the booth apparatuses 1A, 1A, . That is, since the user uses the booth apparatus 1A while facing a direction different from that of the adjacent booth apparatus 1A, it is possible to prevent the user's voice from leaking to the adjacent booth apparatus 1A.

Also, in the booth unit 200, a sound absorbing panel 142 is attached to the surface of the side plate 22 formed of a steel panel. Accordingly, the sound absorbing panel 142 can be easily installed on the side plate 22, so that the sound insulation effect and the sound absorption effect of the booth device 1A can be obtained with a simple configuration. That is, according to the booth unit 200 according to the present embodiment, it is possible to connect the booth apparatuses 1A, which are a plurality of private rooms, using partitions that have been widely used in the past, and prevent sound leakage to adjacent rooms. By taking this into consideration, it is possible to make a configuration suitable for a web conference. In addition, by simplifying the configuration of the booth apparatus 1A using conventional partitions, the unit price per user using the booth unit 200 can be reduced.

Further, in the booth unit 200 according to this embodiment, as shown in FIG. 14, the door 24 is provided with a window 24c which is translucent and opaque, such as a frosted glass plate or resin plate. As a result, it is possible to determine whether or not the booth apparatus 1A is being used from the outside, but it is possible to hide detailed internal conditions, such as the screen of the display, so that the possibility of information leakage can be reduced. Moreover, even if a camera is used inside the booth device 1A, the outside of the booth device 1A is not photographed. That is, according to the booth unit 200, it is possible to minimize the distribution of information inside and outside the booth device 1A.

A curtain 162 capable of shielding the inside of the booth device 1A is provided on the front side inside the booth device 1A. Specifically, as shown in FIGS. 15 and 18, a rail 161 capable of suspending a curtain 162 is attached to the door frame panel 23 via an attachment member. A curtain 162 is provided so as to be able to expand and contract while sliding along the rail 161 . Thus, even when a transparent glass panel is used for the window of the door 24, the curtain 162 can shield the inside of the booth apparatus 1A.

A chair 172 for a user to sit on when using the top plate 152 is provided inside the booth apparatus 1A according to the present embodiment. In this embodiment, the chair 172 is supported by a chair support member 171 extending from the lower end of the backboard 25, and its position inside the booth apparatus 1A is fixed without change.

In the booth unit 200 according to the present embodiment, the side plates 22, 22, which are two panel bodies facing each other across the surface (front surface) on the side of the door 24, have the head of the user in the posture of using the booth device 1A. Speakers Sa are provided at lateral positions of the unit, and an audio output unit So of the speaker Sa provided on the side plate 22 is placed at a height position on the top plate 152 that overlaps the ears of the user in the horizontal direction. Specifically, as shown in FIG. 17, the first ear height He1, which is the height of the user's ear position Pe1 of the top plate 152 from the floor, is the height from the floor at the upper end of the audio output section So. is smaller than the first upper end height H1, which is the height, and larger than the first lower end height H2, which is the height from the floor surface at the lower end of the audio output section So.

In the booth apparatus 1A according to this embodiment, the position of the chair 172 is fixed, but when the top plate 152 is fixed to the booth apparatus 1A as in this embodiment, the position and posture of the user are limited. be done. Therefore, it is possible to freely change the arrangement of the chairs without fixing the chairs arranged in the booth apparatus 1A.

According to the booth device 1A according to the present embodiment, the audio output section So of the speaker Sa can be arranged near the user's ear. As a result, it is possible to reduce the sound output from electronic devices such as a personal computer and a display, so that it is possible to prevent the sound from leaking out of the private room of the booth apparatus 1A.

Further, in the booth apparatus 1A according to the present embodiment, as shown in FIG. 17, at least a part of the audio output section So of the speaker Sa is positioned higher than the upper surface of the top plate 152, and is positioned above the top plate 152 when viewed from the user. It is installed at a position on the rear side (front side of the booth device 1A) from the use end of the. This makes it possible to dispose the audio output section So of the speaker Sa in the booth apparatus 1A closer to the user.

In addition, in the booth apparatus 1A according to the present embodiment, the audio output section So of the speaker Sa is installed at a height position overlapping the ears of the user of the chair 172 in the horizontal direction. Specifically, as shown in FIG. 17, the first ear height He1, which is the height from the floor of the user's ear position Pe1 of the chair 172, is the height from the floor of the upper end of the audio output section So. is smaller than the first upper end height H1, and larger than the first lower end height H2, which is the height of the lower end portion of the audio output section So from the floor surface.

In the booth apparatus 1A according to the present embodiment, the "user of the top plate 152" and the "user of the chair 172" refer to adults (office workers) from the 5th percentile of Japanese adult women to the 95th percentile of adult men. ) assumes a seated posture. That is, the ear position Pe1 of the user of the tabletop 152 and the chair 172 is located within a region where the ear positions can be taken by people from the 5th percentile for adult women to the 95th percentile for adult men when sitting on a chair. ing.

According to the booth device 1A according to the present embodiment, the audio output section So of the speaker Sa can be arranged near the user's ear. As a result, it is possible to reduce the sound output from electronic devices such as a personal computer and a display, so that it is possible to prevent the sound from leaking out of the private room of the booth apparatus 1A.

Further, in the booth apparatus 1A according to the present embodiment, the chair 172 has a fixed relative distance from the backboard 25 by the chair support member 171 . As shown in FIG. 17, at least a portion of the audio output section So of the speaker Sa is installed at a position higher than the seat surface of the chair 172 and at a position overlapping the front-rear width of the chair 172 in side view. This makes it possible to dispose the audio output section So of the speaker Sa in the booth apparatus 1A closer to the user.

Moreover, in the booth apparatus 1A according to the present embodiment, the speakers Sa are arranged at symmetrical positions on the left and right side plates 22, 22, respectively, as shown in FIGS. As a result, even a small sound can be easily heard by outputting the sound from the speakers Sa and Sa on both sides.

In the booth apparatus 1A according to the present embodiment, a support member 130, a roof member 131, a first louver member 132, and a second louver member 133 are provided at the upper end of the peripheral wall 2 as shielding portions having a shielding rate of 30% or less. is installed. Further, as shown in FIG. 16, the roof member 131 of the shielding portion is arranged at a position where the front-rear direction position overlaps with the speaker Sa in plan view.

In the booth apparatus 1A according to the present embodiment, by setting the shielding rate of the shielding part to 30% or less, the influence of the shielding part on water sprinkling can be suppressed. Moreover, by shielding the sound with the shielding portion, it is possible to make it difficult for the sound to leak to the outside of the booth device 1A.

Moreover, in the booth apparatus 1A according to the present embodiment, the side plates 22 are provided with sound absorbing panels 142 . As a result, the sound emitted from the sound output section So of the speaker Sa can be absorbed by the opposing sound absorbing panel 142, so that the sound can be prevented from leaking out of the private room of the booth apparatus 1A.

[Booth unit 300]
Next, a booth unit 300 according to a third embodiment of the present invention will be described using FIG. A booth unit 300 according to the present embodiment is configured by connecting a plurality of booth apparatuses 1B according to the third embodiment of the present invention to form a single room and connecting them in the left-right direction. In the booth unit 300 according to this embodiment, three booth apparatuses 1B are connected to each other.

Also in the booth unit 300 according to the present embodiment, the user using the booth device 1B has a posture facing the back plate 25 which is a panel body facing the door 24. A defining attitude defining member is provided. In the booth unit 300 according to the present embodiment, a chair 55 that regulates the posture of the user so that the user faces the backboard 25 is provided as a posture regulating member.

As described above, according to the booth unit 300 according to the present embodiment, the user using the booth device 1B uses it in a direction different from that of the adjacent booth device 1B. Specifically, in the booth apparatuses 1B, 1B, . That is, since the user uses the booth apparatus 1B while facing a direction different from that of the adjacent booth apparatus 1B, it is possible to prevent the user's voice from leaking to the adjacent booth apparatus 1B.

The posture regulating member in the booth unit 300 according to the present embodiment needs to regulate the posture of the user when using the booth device 1B to face the back plate 25, so the posture of the user is regulated. Does not include office swivel chairs, etc. As a posture regulating member in the booth unit 300, even if it is a chair without moving means such as casters and has an auto-return function, the posture of the user when using the booth device 1B can be adjusted. It is possible to adopt a chair that defines a posture facing the back plate 25.

Further, in the booth unit 300 according to the present embodiment, as shown in FIG. 20, the side plates 22, 22, which are two panel bodies facing each other across the surface (front surface) on the side of the door 24, are provided with the booth device 1B. Speakers Sa and Sa are provided at lateral positions of the head of the user in the posture of use, and the audio output section So of the speaker Sa is connected to the ears of the user of the chair 55 in the same manner as in the booth apparatus 1A according to the above-described embodiment. It is installed at a height position that overlaps with the horizontal direction.

Also in the booth unit 300 according to the present embodiment, by arranging the speakers Sa and Sa in the vicinity of the user's ears, it is possible to reduce the volume output from electronic devices such as personal computers and displays. It is possible to make it difficult for the sound to leak to the device 1B.

In the booth unit 200 (300) according to the above embodiment, all the booth apparatuses 1A (1B) are provided with the top plate 152 or the chair 55, which is a posture regulating member, but the booth unit 200 (300) has at least one It is sufficient that one booth device 1A is provided with a posture regulating member. In other words, the booth unit 200 (300) may include the booth device 1A without the posture regulating member.

In addition, in the booth unit according to the present invention, as posture regulating members, not only the table top 152 and the chair 55 in each of the above-described embodiments, but also a display or the like can be used to determine the posture of the user when using the booth device. It is possible to adopt anything that can define the attitude toward the panel body facing the door. It is also possible to employ different types of posture regulating members in duplicate (for example, provide the top board 152 and the chair 55 at the same time).

In addition, in the booth unit according to the present invention, when the top plate 152 of the table is adopted as the posture regulating member, not only the configuration in which the top plate 152 of the table is assembled to the peripheral wall 2 but also the table including the top plate 152 and leg members can be arranged on the floor inside the booth apparatus 1A.

In addition, in the booth unit according to the present invention, the sound absorbing part provided in the panel body can be configured not only by attaching the sound absorbing panel to the panel body as in the above embodiment, but also by configuring the panel body itself to have a sound absorbing function. be.

1 Booth device (first embodiment)
1A Booth device (second embodiment)
1B Booth device (third embodiment)
2 Surrounding wall
2a opening
21 strut 21a side cover member
21b Upper surface cover member 21c Ridge portion
21d engagement hole 21e insertion portion
22 side plate 22a groove
22b connecting member 22c engaged portion
23 door frame panel 24 door
24a door knob 24b door closer
24c Window 25 Backboard
25a Groove 25b Connecting member
31 Roof member 31a Roof main body
31b engaging portion 32 first louver member 32a first louver portion 32b first engaging portion
33 second louver member 33a second louver portion 33b second engaging portion
41 mounting frame 41a locking portion
41b frame 41c support plate
41d fixing plate 42 sound absorbing panel
42a window
51 top plate bracket 51a engaging portion
52 top plate 53 tray
54 cover 55 chair
100 booth unit (first embodiment)
130 support member 131 roof member
132 first louver member 133 second louver member 141 mounting frame 141d upper cap
142 sound absorbing panel 144 fixing screw
145 Cap
151 Top plate support part 152 Top plate
153 tray 154 cover
161 rail 162 curtain
171 chair support member 172 chair
200 booth unit (second embodiment)
300 booth unit (third embodiment)
H Hinge S Speaker
Sa Speaker So Audio output section
D Display I Lighting
C Wiring code L Central line
Bs Vocalization booth Bm Measurement booth
Ps Vocal point Pm Measurement point
P Sound absorbing panel St Arrow

Claims (7)

A booth unit in which a plurality of booth devices forming a private room are connected,
The booth device has an opening facing upward, and a plurality of panel bodies that are in contact with the floor are connected to each other at the corners by a plurality of connecting members to form a rectangular shape in plan view,
Each of the booth devices is provided with a door on the same surface along the direction in which the plurality of booth devices are connected,
At least one of the plurality of booth devices is provided with a posture regulating member that regulates the posture of the user using the booth device so that the user faces the panel body facing the door. ,
A booth unit, wherein the panel body provided between the adjacent booth devices in each of the booth devices is provided with a sound absorbing portion. 2. The booth unit according to claim 1, wherein said posture regulating member is provided with a top plate of a table for regulating a user's posture so that the user faces said panel body facing said door. 3. The booth according to claim 1, wherein the posture regulating member is a chair that regulates the posture of the user so that the user sits facing the panel body facing the door. unit. 4. The booth unit according to any one of claims 1 to 3, wherein the door has a window that is translucent and opaque. The panel body provided between the adjacent booth devices in each of the booth devices is formed of a steel panel,
The booth unit according to any one of claims 1 to 4, wherein a sound absorbing panel comprising a sound absorbing material is assembled as the sound absorbing part on the surface of the steel panel. The opening is provided with a shielding portion that shields an area of 30% or less of the opening area of the opening in a plan view across the two panel bodies that face each other across the door side surface. A booth unit as claimed in any one of claims 1 to 5. 6. Speakers are provided on the two panel bodies facing each other across the door-side surface at lateral positions of the head of the user who is in the posture of using the booth device. The booth unit according to any one of 1.

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