JP7029735B2 - How to use anechoic chamber and anechoic chamber - Google Patents

Description

The present invention relates to a soundproof room and a method of using the soundproof room, and more particularly to a portable soundproof room that can be installed and used indoors or outdoors and a method of using the portable soundproof room.

Anechoic chambers with sound insulation to keep the room quiet have been installed in various places such as homes and businesses and used for various purposes. In recent years, in response to the growing interest in telework in each company, anechoic chambers for teleworkers are being considered. Therefore, from the viewpoint of preventing access to confidential information by a third party, in a soundproof room for teleworkers installed in a place where an unspecified number of people pass, a soundproof room equipped with a crime prevention function that can limit the number of people who can enter the room. Has been studied (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2019-28995

When installing a soundproof room in a place where an unspecified number of people pass, disaster prevention measures are indispensable in addition to crime prevention. Especially in the case of a fire, it was brought into the room not only when it was caused by a natural disaster such as an earthquake. It is assumed that it may be caused by an article, and the issue is how to ensure the safety of the user who uses the soundproof room. Therefore, it is conceivable to install an automatic fire extinguishing device as a disaster prevention facility in the soundproof room, but it takes time and effort for peripheral construction such as installation of a fire extinguishing agent container and a conduit. Even so, installing these devices in a soundproof room not only reduces the space utilization efficiency, but also leads to an increase in the size of the soundproof room, and is a small soundproof that can be easily carried in and out of the installation location. The advantage of the room is lost.

Therefore, an object of the present invention is to provide a soundproof room capable of exhibiting an excellent disaster prevention function in an emergency and a method of using the soundproof room while facilitating the installation.

In order to achieve the above object, the soundproof room of the present invention is a portable soundproof room provided with a housing forming a space in which a user can enter and a door coupled to the housing, and the housing. An automatic fire extinguisher is provided on the ceiling of the housing, casters and adjusters are provided on the bottom surface of the housing, and an updraft is formed in the space on the ceiling of the housing to form air in the space. The automatic fire extinguisher is provided with a fan that directs the fire to the ceiling, and the automatic fire extinguisher has a heat sensing unit that senses heat due to the occurrence of a fire, a fire extinguishing agent container filled with a fire extinguisher, and the heat sensing unit. The fire extinguisher container is provided on the outside of the ceiling by integrally providing a discharge nozzle capable of discharging the fire extinguishing agent into the space and arranging the discharge nozzle corresponding to the height position of the ceiling. The ceiling is provided with a fire extinguisher cover having a mounting portion to which the fire extinguisher container can be attached and detached. The other fixture is characterized in that it is provided in each of the fire extinguishing agent containers.

Further, the pair of fixtures are composed of a pair of upper metal fittings and lower metal fittings having a mating surface that abuts in the vertical direction. The fire extinguisher container is fixed to the upper surface of the fire extinguisher container, and one of the hooks of both metal fittings is inserted into the engagement hole provided on the mating surface of the other, and the fire extinguisher container is horizontally placed with respect to the fire extinguisher cover. By rotating in the direction, the hook is formed so as to be engageable with the upper metal fitting or the lower metal fitting.

The method of using the soundproof chamber of the present invention is characterized in that after the fire extinguishing agent container is attached to the mounting portion, the fire extinguishing agent container is transported to the installation location in this state, and after the soundproof chamber is moved to the installation location. It is preferable to adjust the length of the adjuster so as to be equal to the distance between the bottom surface of the housing and the floor surface, or to use the casters to move the adjuster to the installation location.

According to the soundproof room of the present invention, since an integrated automatic fire extinguishing device including a fire extinguishing agent container is provided on the ceiling, the initial fire can be quickly suppressed without depending on human operation. Moreover, a fan installed on the ceiling at the same height as the automatic fire extinguishing device forms an updraft in the soundproof room by its operation, which promotes the rise of heat from the fire source and enables quick and reliable heat detection. It will be possible.

In addition, since the soundproof room can be transported with the automatic fire extinguishing device installed on the ceiling, it can be immediately put into use without any work required for the installation of the soundproof room. In other words, it is possible to obtain a structure of a soundproof room that can exhibit excellent disaster prevention functions in an emergency while facilitating installation, and thus promote its safe use in various environments where soundproof rooms are installed. Will be.

It is a front view of the soundproof room which shows an example of one embodiment of this invention. It is also a side view. It is also a plan view. FIG. 1 is a sectional view taken along line IV-IV of FIG. FIG. 3 is a sectional view taken along line VV of FIG. FIG. 2 is a sectional view taken along line VI-VI of FIG. FIG. 1 is a cross-sectional view taken along the line VII-VII of FIG. Similarly, it is an enlarged sectional view of a main part.

1 to 8 show an example of a soundproof chamber of the present invention, and the soundproof chamber 11 is formed by a housing 12 and a door 13 as shown in FIGS. 1 to 7, and a person can enter the soundproof chamber 11. It has a space that can be installed, for example, in a place where various people pass, such as in a station yard, an airport, a commercial facility, an exhibition hall, an outdoor plaza, a store interior, a hotel, a condominium, or an office. Will be done. Further, the soundproof room 11 can transmit and receive data to and from an external device via a network such as the Internet. A user who uses the soundproof room 11 can hold a video conference with a user who uses an external device having a video conference function by using, for example, a video conference terminal installed in the soundproof room 11.

The housing 12 is made of a member such as metal, wood, or resin, and is formed into a rectangular parallelepiped having a large height as a whole, and an opening for a user to enter and exit is provided on one side surface thereof (FIG. 1). ing. Further, casters 14 and adjusters 15 are provided at the four corners of the bottom surface of the housing 12, respectively. After moving the soundproof room 11 to the installation location using the casters 14, the installer of the soundproof room 11 adjusts the length of the adjuster 15 so that the length of the adjuster 15 is equal to the distance between the bottom surface and the floor surface of the soundproof room 11. , The soundproof chamber 11 can be fixed in place.

A sound absorbing material 12a is provided inside the housing 12, so that the voice spoken by the user inside the soundproof chamber 11 and the voice uttered by the user using the external device are less likely to leak to the outside of the soundproof chamber 11. Therefore, even when the soundproof room 11 is installed in a public place where an unspecified number of people pass, the user can speak with confidence the highly confidential content. In addition, the specifications of the floor material have a double-floor structure in which a space is formed between the upper and lower floor boards by interposing a plurality of beams, and the strength required for people entering and exiting and supporting the sofa 16 and the like. Is secured.

The door 13 is coupled to the housing 12 so as to be able to close the opening of the housing 12, and can be opened and closed around the binding site with the housing 12 by operating the handle 13a. There is. The door 13 is provided with a door glass 13b so that the inside of the soundproof chamber 11 can be visually recognized from the outside.

A lock (not shown) is provided between the housing 12 and the door 13, and the door 13 can be opened under the control of the control unit (CPU) incorporated in the housing 12. The door 13 is switched between the locked state and the locked state where the door 13 cannot be opened. The lock is controlled so as to unlock or lock the soundproof chamber 11 by switching between the unlocked state and the locked state by the user's operation from the inside of the housing 12, or by switching by the remote control. To.

Further, on the front side of the housing 12, an operation receiving unit 17 for receiving a user's operation is provided. The operation reception unit 17 is, for example, a display with a touch panel, and receives a scheduled use time input by the user. The user can select, for example, any one of 30 minutes, 60 minutes, and 90 minutes. The charge to be settled is determined according to the scheduled use time, and the power supply to the electronic device provided inside the soundproof room 11 starts from the completion of the settlement until the scheduled use time elapses. Will be done.

The electronic device includes a permanent video conference facility 18, a lighting 19 installed on the ceiling 12b of the housing 12, a surveillance camera 20, a speaker 21 and an air conditioning facility, and a computer or a mobile terminal brought by a user. .. The air-conditioning equipment ventilates the internal space of the soundproof chamber and adjusts the internal temperature. For example, a fan 22 capable of sucking indoor air and discharging it to the outside can be mentioned. The fan 22 operates to form an updraft, directing indoor air from the floor to the ceiling.

The air-conditioning equipment operates based on the control by the control unit from the completion of payment until the scheduled use time elapses. These electronic devices are adapted to receive power from, for example, a power outlet provided indoors or outdoors via a power plug. Further, the user can use the connection port 23 of the electronic device provided in the room as needed.

By the way, from the viewpoint of disaster prevention, the soundproof room 11 uses a nonflammable material for the sound absorbing material 12a on the inner wall surface and the tile material 12c laid on the floor surface, but it is usually surrounded by a wall or the like inside the building. When a new space is constructed, it may be necessary to add disaster prevention equipment depending on the degree of sealing. Under these circumstances, the ceiling 12b of the soundproof chamber 11 is provided with an automatic fire extinguishing device 24 for detecting an abnormality at an early stage and minimizing damage in the case of a fire in the room.

The automatic fire extinguisher 24 is a downward release type fire extinguisher (sprinkler), and as shown in FIG. 8, the fire extinguisher container 25 filled with the fire extinguishing agent and the fire extinguisher container 25 are provided at the center of the lower end of the fire extinguisher container 25. It is integrally equipped with a discharge nozzle 26 capable of discharging a fire extinguishing agent into a room by receiving the detection of a built-in heat sensing unit (not shown). Further, on both sides of the discharge nozzle 26, a pressure filling port 27 is attached to one side and a pressure gauge (gauge) 28 is attached to the other side. A low melting point metal is used for the heat sensing part, and when the heat collecting plate 26a at the lower end of the discharge nozzle 26 senses heat from the fire source, the low melting point metal melts and the pressurized gas in the container is sealed. The stopper and the heat collecting plate 26a are blown off, and the fire extinguishing agent starts to be released.

Here, the mounting position of the automatic fire extinguishing device 24 is set in consideration of the arrangement of the lighting 19, the speaker 21, the fan 22, various cover members 29, and the like so as not to lose the functionality of the soundproof chamber 11. (Fig. 3). In particular, the position of the discharge nozzle 26, that is, the position of the heat detection unit and the position of the fan 22 are in a side-by-side relationship so as to promote the rise of heat from the fire source in the updraft formed by the operation of the fan 22. It is provided so as to be. Further, as shown in FIGS. 4 and 6, the fire extinguishing agent container 25 is placed outside the ceiling 12b by arranging the discharge nozzle 26 at the height position of the ceiling 12b, that is, corresponding to the opening 12d position of the ceiling 12b. It is provided in. The fire extinguishing agent container 25 is covered with a box-shaped fire extinguishing device cover 30, and the fire extinguishing agent container 25 can be attached to and detached from the mounting portion 31 provided on the upper plate 30a of the fire extinguishing device cover 30.

The mounting portion 31 is a pair of fixing metal fittings having a mating surface that abuts in the vertical direction, and the upper metal fitting 31a is fixed to the lower surface of the upper plate 30a and the lower metal fitting 31b is fixed to the upper surface of the fire extinguishing agent container 25. As a result, the hook 31c of the lower metal fitting 31b is inserted into the engagement hole provided on the mating surface of the upper metal fitting 31a, and the fire extinguishing agent container 25 is rotated horizontally with respect to the fire extinguishing device cover 30, so that the hook 31c is raised. The automatic fire extinguishing device 24 is fixed in the fire extinguishing device cover 30 by engaging with the metal fitting 31a.

The fire extinguishing device cover 30 is provided at a position retracted inward with respect to the position of the outer wall surface of the housing 12 (FIG. 3). The height dimension of the fire extinguishing device cover 30 is formed as small as possible so that the discharge nozzle 26 is aligned with the height position of the ceiling 12b of the soundproof chamber 11 with the automatic fire extinguishing device 24 fixed to the upper plate 30a. .. On the other hand, the width dimension is similarly formed to be as small as possible so as to correspond to the outer diameter dimension of the fire extinguishing agent container 25.

As described above, since the soundproof chamber 11 is provided with the integrated automatic fire extinguishing device 24 including the fire extinguishing agent container 25 on the ceiling 12b, the initial fire can be quickly suppressed without depending on human operation. Moreover, since the fan 22 provided on the ceiling 12b at the same height as the automatic fire extinguishing device 24 forms an updraft in the soundproof chamber 11 by its operation, the heat from the fire source is promoted to rise quickly and quickly. Reliable heat detection is possible.

Further, since the soundproof chamber 11 can be transported while the automatic fire extinguishing device 24 is provided on the ceiling 12b, the soundproof chamber 11 can be immediately put into use without any work involved in the installation. That is, a structure of the soundproof room 11 capable of exhibiting an excellent disaster prevention function in an emergency can be obtained while facilitating the installation, thereby promoting its safe use in various environments in which the soundproof room 11 is installed. It will be gained.

Further, since the fire extinguishing agent container 25 is provided on the outside of the ceiling 12b by arranging the discharge nozzle 26 provided in the automatic fire extinguishing device 24 corresponding to the height position of the ceiling 12b, the space utilization efficiency in the soundproof chamber 11 can be improved. Can be enhanced. Moreover, since the fire extinguishing device cover 30 can be formed small in combination with the integrated structure of the automatic fire extinguishing device 24, the appearance of the soundproof chamber 11 is not spoiled, and the thickness increases over the entire ceiling 12b. The inconvenience of that is also eliminated.

In addition, since the fire extinguishing device cover 30 is provided with a mounting portion 31 to which the fire extinguishing agent container 25 can be attached and detached, the automatic fire extinguishing device 24 can be stably held at the ceiling 12b position. Moreover, since the mounting portion 31 is a pair of fixing brackets having a mating surface that abuts in the vertical direction, it can be easily attached and detached even when the mounting space is limited.

Further, since the fire extinguishing device cover 30 is provided at a position retracted inward with respect to the position of the outer wall surface of the housing 12, there is no possibility of contact with other structures when the soundproof chamber 11 is installed. In particular, even in a situation where the soundproof chamber 11 has to be inclined and passed through, such as in a place where the frontage of the building is narrow, the position of the fire extinguishing device cover 30 can be kept low for safe and quick transportation.

Further, as described above, the reliability of the automatic fire extinguishing device 24 can be improved by the fan 22 provided on the ceiling 12b of the soundproof chamber 11, but in addition to this, the smoke discharged from the fan 22 can improve the reliability of the automatic fire extinguishing device 24. Since the occurrence of a fire in 11 can be recognized by an outside person, it is possible to take a prompt and accurate response required as an initial action in an emergency.

The present invention is not limited to the above-mentioned embodiment, and the soundproof room can be equipped with various equipment necessary for disaster prevention in addition to the fire extinguishing equipment. It may be a moving object such as an airplane. Further, the shape of the housing is not limited to a rectangular parallelepiped, but may be a cylindrical shape, and can accommodate not only one person but also two or more people as long as the advantages of the flexible portable soundproof room are not impaired. It can be formed with a space. Further, if the automatic fire extinguishing device is provided with a compact integrated one on the ceiling, the specifications and mounting position can be appropriately changed. In addition, the shape of the fire extinguishing device cover and the mounting portion is arbitrary, and the opening on the ceiling surface where the discharge nozzle is located may be covered with a decorative plate or the like. Further, the fan has a remarkable effect by being installed on the ceiling surface, that is, on the same surface as the surface on which the automatic fire extinguishing device is installed, but the fan is not limited to this, and the side depending on the environment in which the soundproof room is installed. It can be changed as appropriate, such as by installing it on the upper part of the wall surface.

11 ... Soundproof room, 12 ... Housing, 12a ... Sound absorbing material, 12b ... Ceiling, 12c ... Tile material, 12d ... Opening, 13 ... Door, 13a ... Handle, 13b ... Door glass, 14 ... Caster, 15 ... Adjuster, 16 ... Sofa, 17 ... Operation reception, 18 ... Equipment, 19 ... Lighting, 20 ... Surveillance camera, 21 ... Speaker, 22 ... Fan, 23 ... Connection port, 24 ... Automatic fire extinguisher, 25 ... Fire extinguishing agent container, 26 ... Discharge Nozzle, 26a ... Heat collecting plate, 27 ... Pressure filling port, 28 ... Pressure gauge, 29 ... Cover member, 30 ... Fire extinguisher cover, 30a ... Upper plate, 31 ... Mounting part, 31a ... Upper metal fitting, 31b ... Lower metal fitting, 31c ... Hook

Claims (5)

A portable soundproof room provided with a housing that forms a space in which a user can enter and a door that is connected to the housing.
An automatic fire extinguishing device is provided on the ceiling of the housing.
Casters and adjusters are provided on the bottom surface of the housing.
A fan is provided on the ceiling of the housing to form an updraft in the space and direct the air in the space to the ceiling .
The automatic fire extinguisher has a heat sensing unit that senses heat due to the occurrence of a fire, a fire extinguishing agent container filled with a fire extinguishing agent, and a release capable of releasing the fire extinguishing agent into the space upon receiving the detection of the heat sensing unit. The fire extinguishing agent container is provided on the outside of the ceiling by integrally providing the nozzle and arranging the discharge nozzle corresponding to the height position of the ceiling.
The ceiling is provided with a fire extinguisher cover having a mounting portion to which the fire extinguishing agent container can be attached and detached. A soundproof chamber characterized in that the cover and the other fixture are provided in the fire extinguishing agent container, respectively . The pair of fixtures are composed of a pair of upper metal fittings and lower metal fittings having a mating surface that abuts in the vertical direction. It is fixed to the upper surface of the agent container, and one of the hooks of both metal fittings is inserted into the engagement hole provided in the mating surface of the other, and the fire extinguishing agent container is placed horizontally with respect to the fire extinguisher cover. The soundproof chamber according to claim 1 , wherein the hook is formed so as to be engageable with the upper metal fitting or the lower metal fitting by being rotated. The method of using the soundproof chamber according to claim 1 or 2 , wherein the fire extinguishing agent container is attached to the mounting portion and then transported to the installation place in this state. The use of the soundproof chamber according to claim 3 , wherein the length of the adjuster is adjusted to be equal to the distance between the bottom surface of the housing and the floor surface after the soundproof chamber is moved to the installation location. Method. The method of using the soundproof room according to claim 4 , wherein the casters are used to move to the installation location.

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