WO2022163149A1

WO2022163149A1 - Space presenting system, space presenting method, and program

Info

Publication number: WO2022163149A1
Application number: PCT/JP2021/045145
Authority: WO
Inventors: 尚弘福田; 勝彦平松
Original assignee: パナソニックＩｐマネジメント株式会社
Priority date: 2021-01-27
Filing date: 2021-12-08
Publication date: 2022-08-04

Abstract

A space presenting system (500) is provided with: an acquiring unit for acquiring, from a sensing unit (140) installed in each of a plurality of spaces, a result of sensing a space environment in each of the plurality of spaces; a determination unit (105) for determining, on the basis of the sensing result obtained when each of the plurality of spaces has been used in the past, suitability of use of each of the plurality of spaces; and a presenting unit (106) for presenting a space determined to be suitable for use from among the plurality of spaces.

Description

SPATIAL PRESENTATION SYSTEM, SPATIAL PRESENTATION METHOD, AND PROGRAM

The present disclosure relates to a spatial presentation system, a spatial presentation method, and a program for presenting an appropriate space to a user.

Recently, with the diversification of work styles, spaces are being used by multiple users sharing one space in a time-sharing manner. For example, Patent Literature 1 discloses an information processing device or the like for permitting only appropriate users to use a space.

JP 2020-197767 A

By the way, it may be difficult for users to use the appropriate space. Therefore, an object of the present disclosure is to provide a space presentation system or the like capable of presenting an appropriate space.

A spatial presentation system according to an aspect of the present disclosure includes an acquisition unit that acquires a detection result of a spatial environment in each of the plurality of spaces from a detector installed in each of the plurality of spaces, and each of the plurality of spaces includes: A determination unit that determines appropriateness of use of each of the plurality of spaces based on the detection result of past use, and presents a space that is determined to be appropriate for use from among the plurality of spaces. a presentation unit;

Further, a spatial presentation method according to an aspect of the present disclosure acquires a detection result of a spatial environment in each of the plurality of spaces from a detector installed in each of the plurality of spaces, and obtains a spatial environment detection result in each of the plurality of spaces. Based on the detection result when the space is used for the purpose, the propriety of use of each of the plurality of spaces is determined, and the space determined to be appropriate for use is presented from among the plurality of spaces.

In addition, one aspect of the present disclosure can be implemented as a program that causes a computer to execute the spatial presentation method, or as a computer-readable non-temporary recording medium that stores the program.

According to the present disclosure, it is possible to present an appropriate space to the user.

FIG. 1 is an overview diagram showing a usage example of the spatial presentation system according to Embodiment 1. FIG. 2 is a block diagram showing a functional configuration of the spatial presentation system according to Embodiment 1. FIG. 3 is a diagram showing an example of content presented by the presentation unit of the spatial presentation system according to Embodiment 1. FIG. 4 is a flowchart showing a first operation of the spatial presentation system according to Embodiment 1. FIG. 5 is a flowchart showing the second operation of the spatial presentation system according to Embodiment 1. FIG. FIG. 6 is a diagram showing a second operation of the spatial presentation system according to Embodiment 1. FIG. FIG. 7 is a block diagram showing the functional configuration of the presentation system etc. according to the second embodiment. FIG. 8 is a flow chart showing the operation of the information output device according to the second embodiment. 9A is a first diagram showing an example of suitability information presented by the presentation system according to Embodiment 2. FIG. 9B is a second diagram showing an example of suitability information presented by the presentation system according to Embodiment 2. FIG. 9C is a third diagram showing an example of suitability information presented by the presentation system according to Embodiment 2. FIG. 9D is a fourth diagram showing an example of suitability information presented by the presentation system according to Embodiment 2. FIG.

Below, the spatial presentation system and the like according to the embodiment of the present disclosure will be described in detail with reference to the drawings. It should be noted that each of the embodiments described below is a specific example of the present disclosure. Therefore, the numerical values, shapes, materials, components, arrangement and connection of components, steps, order of steps, etc. shown in the following embodiments are examples and are not intended to limit the present disclosure. Therefore, among constituent elements according to the following embodiments, constituent elements not described in independent claims will be described as optional constituent elements.

In addition, the numerical values and numerical ranges described below do not only represent strict meanings, but also include substantially equivalent ranges, for example, differences of several percent. Each figure is a schematic diagram and is not necessarily strictly illustrated. Therefore, for example, scales and the like do not necessarily match in each drawing. Moreover, in each figure, the same code|symbol is attached|subjected about the substantially same structure, and the overlapping description is abbreviate|omitted or simplified.

(Embodiment 1)
[Constitution]
First, the configuration of the spatial presentation system according to the embodiment will be described with reference to FIGS. 1 and 2. FIG. FIG. 1 is an overview diagram showing a usage example of the spatial presentation system according to Embodiment 1. FIG. In FIG. 1, a first conference room 98a, a second conference room 98b, and a third conference room 98c are shown as examples of shared spaces. For example, FIG. 1 shows a plurality of conference rooms provided in an office building or the like. A plurality of such conference rooms are shared by a plurality of groups in a time division manner. In the following description, the details of the space presentation system will be described using multiple conference rooms, which are examples of multiple spaces. can be applied to

For example, a space presentation system may be applied by regarding each of a plurality of areas in an open space as each of a plurality of spaces, or by regarding each of a plurality of classrooms provided in a school building as each of a plurality of spaces. A presentation system may be applied. In addition, there is no particular limitation on the size of the space, for example, one of the multiple spaces is a commercial complex, and the other of the multiple spaces is a supermarket. It may be a space inside. In addition, the plurality of spaces is not limited to spaces within a building, and may be spaces within a moving body such as a plurality of cars of a train, and a plurality of floors of a multi-layer ship.

As shown in FIG. 1, near the entrance of the first conference room 98a, a first presentation unit 106a using a digital signage or the like is installed to present the usage status of the first conference room 98a. It is possible to input the usage schedule of 98a. Similarly, a second presentation unit 106b is installed near the entrance of the second conference room 98b, and a third presentation unit 106c is installed near the entrance of the third conference room 98c. Since the functions of the second presentation unit 106b and the third presentation unit 106c are the same as those of the first presentation unit 106a, description thereof will be omitted.

For example, a user who is thinking of using the first conference room 98a attempts to operate the first presentation unit 106a to input a plan to use the first conference room 98a. In such a situation, the space presentation system according to the present embodiment can present other meeting rooms such as the second meeting room 98b when the use of the first meeting room 98a is inappropriate. Examples of cases where the use of the conference room is inappropriate include cases where the conference room has been used in the past, and among the users who used the conference room in the past, there is a user who is infected with a predetermined infectious substance. For example, if the

In this case, if the above specified infectious substance has the property of being transmitted from person to person by droplet infection or airborne infection, the next user in a situation where the infectious substance is retained by saliva droplets or exhalation use the meeting room, the user is exposed to a high risk of infection. In the present embodiment, the space presentation system presents the remaining conference rooms after excluding conference rooms that are not suitable for use due to high risk of infection from among a plurality of conference rooms, that is, conference rooms that are suitable for use and have low infection risk. do. Hereinafter, the first conference room 98a to the third conference room 98c may be simply referred to as conference rooms when they are not particularly distinguished. Similarly, when the first presentation unit 106a to the third presentation unit 106c are not particularly distinguished, they may simply be referred to as presentation units.

The functional configuration of the spatial presentation system will be described below with reference to FIG. 2 is a block diagram showing a functional configuration of the spatial presentation system according to Embodiment 1. FIG. Note that FIG. 2 focuses on one conference room out of a plurality of conference rooms. Accordingly, each of the plurality of conference rooms is equipped with the same configuration as in FIG.

As shown in FIG. 2, the spatial presentation system 500 includes some components provided inside the conference room 98 and components provided at least partly outside the room 97 . Specifically, the room 98 is provided with a spatial presentation device 100 , a ventilation device 110 , a supply device 120 , and various detectors 140 . Of these, the spatial presentation device 100 and the ventilation device 110 partially extend to the outdoor 97 as well. Also, a management device 130 is provided outside the room 97 .

The ventilation device 110 is a device that exchanges the gas inside the room 98 and the gas outside the room 97 . That is, the ventilation device 110 is a device that performs ventilation. In this embodiment, the ventilator 110 is a device that is installed on the ceiling of the room 98 and that sucks gas from the room 98 . The gas in chamber 98 may contain infectious substances.

Here, there are many types of infectious agents classified into particles such as bacteria, viruses, nucleic acids and proteins. Among these, some types are transmitted from person to person, so it is necessary to control the infection. In particular, as explained above, many of them have the property of spreading infection by droplet infection or airborne infection, and in situations such as meetings where multiple users converse in the same room 98, one user The possibility that the infected infectious substance scatters to other users through space increases the possibility of infection. Even if such an infection occurs, there is a possibility that an explosive spread of infection will occur if users infected with infectious substances do not take sufficient countermeasures due to ignorance or the like.

Infectious substances are often relatively light substances and are known to stay in the room 98 for a long period of time by floating in the space of the room 98, etc. For example, by exchanging the indoor gas containing the infectious substance with the outdoor gas 97 by the ventilation device 110, the infectious substance can be discharged to the outdoor 97 and the infection to the user can be suppressed. Hereinafter, removal of infectious substances from the room 98 by discharge to the outside of the system such as the outdoor 97 is referred to as discharge removal.

The ventilator 110 blows the air in the room 98 to the outside 97 using a blower or the like, and at the same time introduces the air in the room 97 into the room 98, thereby performing gas exchange. Here, by only blowing the gas in the room 98 to the outside 97, the room 98, which has a negative pressure, naturally sucks the gas in the outside 97 to exchange the gas, which is a so-called third-class ventilation system. An example is shown. The contents of the present disclosure are not particularly limited to the ventilation system including the type 1 ventilation system and the type 2 ventilation system, and the configuration of the device related to ventilation. Therefore, any ventilator may be used as long as it is configured to exchange gas between the indoor 98 and the outdoor 97 .

The supply device 120 is placed on the floor of the room 98 and supplies the room 98 with an inactivating substance that inactivates infectious substances. Examples of inactivating substances include alcohols such as ethanol, inverting soaps such as benzalkonium chloride, etc., which exhibit an inactivating action by disrupting the cell membrane structure of bacteria and denaturing the polymer structure. Substances such as chlorous acid.

The supply device 120, for example, volatilizes the hypochlorite water obtained by electrolyzing saline using a blower, a water absorption filter, etc., and sprays it in the space of the room 98 as the inactivating substance. The sprayed hypochlorous acid comes into contact with infectious substances present in the space, disrupts the structures of cell membranes, coat proteins, etc., and denatures nucleic acids, enzyme proteins, etc., thereby inhibiting the functions of infectious substances. to lose (inactivate). Removing the active infectious agent from the room 98 by inactivating the active infectious agent in this way is called inactivation removal.

The supply device 120 is not limited to the configuration described above. For example, the supply device 120 can have a similar effect even if it has a configuration in which the gas in the chamber 98 is sucked into the main body and forced to come into contact with the inactivating substance, and then the sucked gas is released. In this case, "supplying the inactivating substance into the chamber 98" means a configuration in which at least the gas in the chamber 98 is brought into contact with the inactivating substance. That is, the concept of supplying the inactivating substance by the supply device 120 includes bringing the inactivating substance into contact with at least the gas in the chamber 98 .

In the present embodiment, the supply device 120 sprays the inactivating substance to bring it into contact with the gas in the room 98, and the walls, floors, and objects such as furniture or home appliances in the room 98. It is configured such that the inactivating substance is brought into contact with the infectious substance adhering to the body. For this reason, compared with the configuration of the above another example in which the inactivating substance is brought into contact with only the gas in the room 98, a higher effect of suppressing infection by the infectious substance can be obtained.

Depending on the size of the conference room, neither the ventilation device 110 nor the supply device 120 may be provided.

The space presentation device 100 is a device that determines and presents the space to be presented by executing a predetermined program using a processor and memory. Further, the spatial presentation device 100 according to the present embodiment includes a physical display module as the presentation section 106 described above. This presentation unit 106 is provided on the outdoor side 97 of the conference room for inputting the use schedule of the conference room from the outdoor side 97 of the conference room. A physical display module as the presentation unit 106 is also provided on the room 98 side in order to notify the users of the meeting room existing in the room 98 .

As described above, in this embodiment, physical display modules are provided in each of the indoor 98 and outdoor 97, but these modules may be installed in neither the indoor 98 nor the outdoor 97. good. For example, the user can input a schedule for using the conference room via a mobile terminal such as a smart phone, tablet terminal, or PC. The user can also check the notification via the mobile terminal in the room 98 of the conference room, in which case the module provided in the room 98 is unnecessary.

As described above, the physical display module as the presentation unit 106 is not an essential configuration. That is, the presentation unit 106 may be only a processing unit that outputs information for causing a mobile terminal or the like to present a space. In other words, the spatial presentation device 100 can also be implemented as a configuration that only acquires the detection result of the detector 140, determines the space to be presented, and outputs information for causing the mobile terminal or the like to present the space. . With the above configuration, the spatial presentation device 100 only needs to have an environment capable of executing a program that is a substantial functional entity. For example, the spatial presentation device 100 may be constructed on a server or the like physically separated from the room 98 and connected to various devices in the room 98 via a communication line such as the Internet.

The spatial presentation device 100 includes an acquisition unit including a first acquisition unit 102, a second acquisition unit 103, and a third acquisition unit 104, a determination unit 105 having a calculation unit 107, an output unit 101, and a presentation unit 106. Prepare. The acquisition unit is a processing unit that is connected to the detector 140 and acquires the detection result of the spatial environment of the room 98 by the detector 140 .

Specifically, the first acquisition unit 102 acquires the CO ₂ concentration in the room 98 as the detection result from the CO ₂ sensor 141 included in the detector 140 . Also, the second acquisition unit 103 acquires the voice information of the user using the room 98 as the detection result from the sound pickup device 142 included in the detector 140 . Also, the third acquisition unit 104 acquires an image of the room 98 as a detection result from the imaging device 143 included in the detector 140 . The acquired CO ₂ concentration, voice information, and image are sent to the determination unit 105 and used to determine whether the conference room is appropriate for use.

A detector 140 including a CO ₂ sensor 141, a sound collector 142, and an imager 143 is included in the spatial presentation system 500 in this embodiment, but can be communicatively connected to the existing detector 140 in the conference room. , the spatial presentation system 500 may be implemented without the detector 140. FIG. A CO ₂ sensor may be installed in the ventilator 110, and the first acquisition unit 102 may acquire the CO ₂ concentration from this CO ₂ sensor. In addition, the sound pickup device and the image pickup device may be already installed in the conference room as a WEB conference system or the like, and the second acquisition unit 103 and the third acquisition unit 104 acquire audio information and images from the WEB conference system or the like. may be obtained.

The determination unit 105 is a processing unit that determines, based on the detection result, whether or not the room 98 from which the detection result was acquired is suitable for use. More specifically, the determination unit 105 causes the calculation unit 107 to calculate parameters related to infection by infectious substances in the use of the room 98 from the detection results, thereby making the spatial environment of the room 98 susceptible to infection by infectious substances. It is organized into indices, and it is determined whether or not the use of the space is appropriate based on these indices. The determination unit 105 calculates parameters when the room 98 was used in the past, and based on the parameters, determines whether or not the user is going to use the room 98 from now on. . In addition to judging suitability for future use of the room 98 based on past parameters, the judging unit 105 also judges propriety for use of the room 98 based on parameters calculated during use of the room 98 . Details of various calculation processes in the determination unit 105 will be described later.

The output unit 101 outputs continuation information regarding whether to continue using the room 98 when the determination unit 105 determines whether the use of the room 98 is inappropriate in the determination of suitability during use of the room 98. The continuation information, which is a part, is a notification to the user who is using the room 98 to terminate the continuation of use, and a facility for improving the spatial environment so that the use of the room 98 can be continued. At least one of the control signals that alter the operation. A notification for terminating continued use of the room 98 by the output unit 101 is presented to the user by the presentation unit 106 provided in the room 98 . In addition, the above equipment includes a ventilation device 110 for discharging and removing infectious substances by ventilation and a supply device 120 for inactivating and removing infectious substances by an inactivating substance, and the control signal is the driving amount ( signal to increase ventilation or supply).

　The output unit 101 is configured to obtain permission from a manager or the like who manages the conference room before outputting the continuation information. Specifically, the output unit 101 transmits request information requesting permission to output the continuation information to the management device 130 such as a terminal device owned by an administrator who manages the conference room. After confirming the request information received by the management device 130, the manager operates the management device 130 to output the continuation information if it is acceptable to increase the drive amount of the equipment or notify the end of continuous use. send permission information to allow The output unit 101 outputs the continuation information when receiving the permission information.

The presentation unit 106 is used, as described above, to present a notification for terminating continued use of the room 98 by the user, and to input a schedule for use of the room 98 by the user. In the former, for example, a notification such as "Please end the use immediately" or "Please end the use within 30 minutes" is presented by voice or image. The latter is presented as shown in FIG. 3, for example. 3 is a diagram showing an example of content presented by the presentation unit of the spatial presentation system according to Embodiment 1. FIG. FIG. 3 shows a state in which a plurality of conference rooms determined by the determining unit 105 to be appropriate for use as a result of the user inputting information for use of the room 98 are presented.

Specifically, as shown in Fig. 3, the user has entered that he or she wishes to hold a one-hour heated meeting with four people. As a result, the conference rooms "b01", "b04", and "b06" are determined to be appropriate and presented. On the other hand, the conference rooms "b02," "b03," and "b05," which are not displayed, are not presented because they do not match the usage pattern of the user or are not appropriate for use. In addition, "quiet" and "incandescent" in the usage pattern are indexes corresponding to the use of the conference room set in advance for each conference room. For example, if the space adjacent to the conference room is an office work space, it may not be desirable for loud discussions and the like to take place in this conference room. Such rooms are marked with a "quiet" index and are excluded from the room candidates for "heated" meetings. In addition, from the perspective of infection by infectious substances, there is a high possibility that a relatively large amount of infectious substances will be dispersed in room 98 after a "heated" meeting, and "heated" meetings have been held in the past. After that, the conference room is judged to be unsuitable for use for a relatively long period of time.

The user can select one of the presented conference rooms (the "b06" conference room in the figure) and start using that conference room. In the spatial presentation system 500, the spatial presentation systems 500 installed in each of a plurality of conference rooms communicate with each other to share parameters when each conference room was used in the most recent past. As a result, for example, even if a use schedule is input via the presentation unit 106 installed in a conference room that is not suitable for use, another suitable conference room is presented.

[motion]
Two operations of spatial presentation system 500 according to the present embodiment will be described below with reference to FIGS. 4 to 6. FIG. 4 is a flowchart showing a first operation of the spatial presentation system according to Embodiment 1. FIG. 5 is a flowchart showing the second operation of the spatial presentation system according to Embodiment 1. FIG. FIG. 6 is a diagram showing a second operation of the spatial presentation system according to Embodiment 1. FIG.

A first operation of the space presentation system 500 is to determine whether the conference room is suitable for future use based on the parameters calculated when the conference room was used in the past. This is the action of presenting a room. As shown in FIG. 4, first, various detectors 140 detect the spatial environment of the room 98 of the conference room when the conference room has been used in the past, and generate detection results. The acquisition unit acquires this detection result (step S<b>101 ) and transmits it to the determination unit 105 . The calculation unit 107 of the determination unit 105 calculates parameters based on the acquired detection result (step S102). The determination unit 105 determines whether the conference room is appropriate to use from the calculated parameters (step S103). The processes of steps S101 to S103 are individually performed in all the conference rooms whose use is to be determined.

It should be noted that the processing from step S101 to step S103 after the detection of the spatial environment may be performed in the past, or may be performed when the user inputs the schedule for using the conference room. In other words, the generated detection result may be stored in a storage unit (not shown), and steps S101 to S103 may be performed when the use schedule of the conference room is input, or the appropriateness of use may be determined. In addition, the determination result may be stored in the storage unit, and the determination result may be read out and used when the use schedule of the conference room is input. In this manner, space presentation system 500 in the present embodiment presents an appropriate conference room for the input schedule of use of the conference room (step S104).

The second operation of the spatial presentation system 500 is the process of outputting continuation information when it is determined that the use of the conference room is inappropriate while the user is using it. As shown in FIG. 5, first, the determination unit 105 determines whether or not the parameter calculated by the calculation unit 107 indicates that the use of the conference room is inappropriate (step S121). If it is determined that the calculated parameter is a parameter indicating that the use of the conference room is appropriate (No in step S121), the spatial presentation system 500 ends the processing of the second operation. That is, the user can continue using the conference room.

On the other hand, when it is determined that the calculated parameter is a parameter indicating that the use of the conference room is inappropriate (Yes in step S121), the space presentation system 500 installs the ventilator 110 and It is determined whether there is controllable equipment such as the supply device 120 (step S122). When it is determined that there is controllable equipment in the conference room being used (Yes in step S122), the output unit 101 sends request information to the management device 130 to increase the driving amount of the equipment in order to improve the spatial environment. (step S123).

When permission information is received in response to the transmitted request information (Yes in step S124), the output unit 101 outputs continuation information for facility control (step S125), and increases the drive amount by controlling the facility. Let After that, the spatial presentation system 500 ends the processing of the second action. As a result, for example, as shown in FIG. 6, the ventilation device 110 and the supply device 120 operate respectively, the spatial environment is improved, and the user can continue to use the conference room.

On the other hand, if it is determined that there is no controllable facility in the conference room being used (No in step S122), and if permission information is not received in response to the transmitted request information (No in step S124), The output unit 101 transmits, to the management device 130, request information for notifying that continued use of the conference room is terminated (step S126). When the permission information is received in response to the transmitted request information (Yes in step S127), the output unit 101 outputs end notification continuation information for causing the presentation unit 106 installed in the room 98 to present a notification for ending the conference. Output (step S128).

The presentation unit 106 receives the continuation information and presents a message such as "The risk of infection is high, so please end the meeting." The presentation to notify the end of the meeting here may be a presentation to end immediately, or a presentation to end after a certain period of time, such as 10 to 30 minutes, is provided to wrap up the meeting to some extent. There may be. After that, the spatial presentation system 500 ends the processing of the second action. As a result, the user terminates continued use of the conference room due to concerns about infection by infectious substances. Note that if the permission information is not received for the transmitted request information (Yes in step S127), the spatial presentation system 500 ends the processing of the second operation. As a result, the user can continue to use the conference room even though there is concern about being infected with an infectious substance.

In the example described above, request information is transmitted to the management device 130, and continuation information is output when permission information is received. The step related to the operation by the administrator or the like via the management device 130 may be omitted, and the continuation information may be automatically output when the use is inappropriate. That is, the management device 130 is not an essential component.

[Parameter calculation]
The parameters and the like calculated in the above embodiment will be described below.

First, I will explain the number of people who can use the conference room. In the spatial presentation system 500 described above, the input of the number of users is accepted in the input of the usage schedule, but there may be a discrepancy between the accepted number of people and the actual number of users. Therefore, in the spatial presentation system 500 of the present embodiment, the number of users actually using the conference room is detected using the detector 140 or the like. Regarding the number of users, from the viewpoint of infection by infectious substances, it can be said that the larger the number of users, the higher the risk of infection. However, since this is also related to the volume of the conference room, it is necessary to consider the volume when calculating the parameter of infection by infectious substances from the number of users.

First, the number of users of the conference room is detected using the imaging device 143, the sound pickup device 142, and the like. For example, in an example using the imaging device 143, an image of the entire room 98 of the conference room may be obtained, and the users appearing in the image may be identified by image recognition and counted. Further, if the image pickup device 143 can acquire an infrared image, it is possible to identify an area having a relatively high temperature relative to the background as the user's area, thereby facilitating processing such as image recognition. On the other hand, for example, in an example using the sound pickup device 142, by analyzing the speech during the conference, the process of individually identifying and counting the speakers based on the audio features is performed. In addition to this, the number of users may be estimated from the degree of increase in CO ₂ concentration per unit time using a CO ₂ sensor, or the number of mobile terminals such as smartphones owned by users may be counted at a short distance. The number of users may be estimated from the number of transmitters and receivers for wireless communication, etc., and this estimated value may be used as the number of users. In addition, any detector 140 and detection method may be used as long as they are configured to detect the actual number of users.

For the number of users, an appropriate number is set in advance for each conference room, taking into consideration the volume of the conference room. For example, in the case of a small conference room with one table, a numerical value such as four persons is set as the default value. Based on the ratio of the difference between the accurate number of users detected by the above method and the specified value to the specified value, a parameter regarding the number of users is calculated from the viewpoint of infection by the infectious agent. For example, in a meeting room where four people are set as the default value, a numerical value of (5 people−4 people)/4 people=0.25 is calculated for a meeting used by 5 users. As the parameter, the ratio of the difference between the measured value (or actual measurement value) and the prescribed value may be calculated with respect to the prescribed value, and the evaluation value evaluated in light of the evaluation axis may be calculated using this ratio. Regarding which of the ratio of the difference between the measured value and the specified value to the specified value and the evaluation value to be calculated as the parameter, either of the other items may be used in the same manner as described above.

For example, as a parameter related to the number of users, the evaluation value is "1" for a rate greater than 0.5, "2" for a rate of 0.5 or less and greater than 0.1, and "3" for a rate of 0.1 or less. ” is calculated. Therefore, in the above example, the evaluation value "2" is calculated as the parameter related to the number of users. In a conference room where 4 people are set as the default value, in a conference room used by 3 users, (3 people - 4 people) / 4 people = -0.25, and the evaluation value is "3 ”.

In addition, in this number of users item, there is also the aspect of the effective utilization rate of the conference room, and there are cases where it should be evaluated that neither exceeding nor falling below the prescribed value is desirable. In this case, only the magnitude of the deviation from the specified value needs to be evaluated. Therefore, for example, after calculating the above difference, it is necessary to compare the absolute value with the evaluation axis. In other words, by treating the negative numerical value obtained as a result of calculating the difference as an absolute value, |(3 persons-4 persons)/4 persons|=|-0.25|=0.25. becomes "2". In this way, parameters may be calculated so that the magnitude of the difference from the specified value is evaluated.

Also, as in the example above, the larger the evaluation value in this embodiment, the more appropriate the meeting is from the perspective of infection by infectious substances. The calculation method and the method of assigning the evaluation value may be appropriately set so that the lower the evaluation value, the more appropriate it is from the viewpoint of infection by infectious substances. In the present embodiment, the evaluation values calculated as parameters for all the items described below are set so that the larger the numerical value, the more appropriate the meeting is from the viewpoint of infection by infectious substances. . In addition, in the present embodiment, the evaluation value is described as three-level evaluation of "1", "2" and "3", but the evaluation value is two-level or multi-level of four or more levels. or stepless.

Next, I will explain the usage time of the conference room. In the spatial presentation system 500 described above, when inputting a usage schedule, input of usage time is accepted, but there is a case where there is a discrepancy between the accepted number of people and the actual usage time. Therefore, in the spatial presentation system 500 of the present embodiment, the usage time during which the conference room is actually used is detected by making full use of the detector 140 or the like. From the viewpoint of infection by infectious substances, the longer the usage time, the higher the risk of infection.

First, the usage time of the conference room is detected using the imaging device 143, the sound pickup device 142, and the like. For example, in an example using the imaging device 143, an image of the entire room 98 of the conference room is acquired, the users appearing in the image are identified by image recognition, and the number of users is 0 from the time when the number of users exceeds one. A period up to the time when the person becomes a person may be applied. On the other hand, for example, in an example using the sound pickup device 142, from the point of time when the first utterance after detecting the silence state of the predetermined period or more is detected, the last utterance before the detection of the silence state of the predetermined period or more is detected. The period up to the point in time when the In addition, any detector 140 and detection method may be used as long as they are configured to detect the actual usage time.

For the usage time, an appropriate number is set for each meeting room in advance, taking into consideration the size of the meeting room. For example, in the case of a small conference room with one table, a numerical value such as 60 minutes is set as the default value. Based on the ratio of the difference between the accurate usage time detected by the above method and the specified value to the specified value, a parameter related to the usage time is calculated in terms of infection by the infectious agent. For example, in a conference room where 60 minutes is set as a default value, a numerical value of (70 minutes−60 minutes)/60 minutes=0.17 is calculated for a conference that is used for 70 minutes.

For example, as a parameter related to the usage time, the evaluation value is "1" for a rate greater than 0.5, "2" for a rate of 0.5 or less and greater than 0.1, and "3" for a rate of 0.1 or less. ” is calculated. Therefore, in the above example, the evaluation value "2" is calculated as the parameter related to the usage time. Note that in a meeting room where 60 minutes is set as the default value, in a meeting that is used for 50 minutes, (50 minutes-60 minutes)/60 minutes=-0.17, and the evaluation value is "3".

Next, the average utterance interval will be explained. Spatial presentation system 500 according to the present embodiment uses detector 140 and the like to detect the average speech interval during a conference. The average utterance interval is obtained by averaging the intervals between one utterance and one subsequent utterance calculated for the entire period of the conference. Therefore, while it can be evaluated that the shorter the average interval between utterances, the more active the discussion is, from the viewpoint of infection by infectious substances, the shorter the interval, the higher the risk of infection.

First, the average utterance interval is detected using the sound pickup 142 or the like. For example, an utterance is detected, and the period from the end of the utterance to the time when the next utterance is detected is measured for all utterances. An average speech interval is calculated by averaging these measured values. In addition, any detector 140 and any detection method may be used as long as they are configured to detect the average speech interval.

For the average utterance interval, an appropriate value is set for each conference room from the perspective of the general assumed value according to the type of conference assumed from the usage of the conference room and the infection of infectious substances. For example, a numerical value such as 2 seconds is set as the default value. Based on the ratio of the difference between the accurate average speech interval detected by the above method and the specified value to the specified value, a parameter relating to the average speech interval is calculated from the viewpoint of infection by an infectious substance. For example, in a conference room where 2.0 seconds is set as the default value, in a conference where the average speech interval is 2.5 seconds, (2.5 seconds - 2.0 seconds)/2.0 seconds = 0.0 seconds. A figure of 25 is calculated.

For example, as a parameter related to the average utterance interval, the evaluation value is "1" for the ratio of less than -0.5, "2" for the ratio of -0.5 or more and less than -0.1, and -0.1 or more. "3" is calculated for the ratio of Therefore, in the above example, the evaluation value "3" is calculated as the parameter related to the average speech interval. In this way, the evaluation values align the directions of the parameters among the evaluation items, that is, the larger (or smaller) the parameter value in any item, the more appropriate it is from the viewpoint of infectious agent infection. For purposes, the positive and negative sides of the evaluation axis may be interchanged. In a conference room where 2 seconds was set as the default value, in a conference where the average speech interval was 1.5 seconds, (1.5 seconds - 2.0 seconds) / 2.0 seconds = -0.25 As a result, the evaluation value becomes "2".

Next, I will explain the speaking time. Spatial presentation system 500 according to the present embodiment uses detector 140 or the like to detect the speaking time during a conference. Speech time is the total time of speech over the entire duration of the conference. Therefore, while it can be evaluated that the longer the time, the more lively the discussion is, from the viewpoint of infection by infectious substances, the longer the time, the higher the risk of infection.

First, the speech time is detected using the sound pickup 142 or the like. For example, the speech time is calculated by detecting the time from the start to the end of one speech and integrating the detected time over the entire duration of the conference. In addition, any detector 140 and any detection method may be used as long as they are configured to detect the speech time.

For the speaking time, an average numerical value corresponding to the default usage time of the conference room is set for each conference room. For example, in the case of a small conference room with one table, a numerical value such as 40 minutes is set as the default value. Based on the ratio of the difference between the accurate speech time detected by the above method and the specified value to the specified value, a parameter related to the speech time is calculated from the viewpoint of infection by the infectious agent. For example, in a meeting room in which 40 minutes is set as the default value, a numerical value of (30 minutes−40 minutes)/40 minutes=−0.25 is calculated for a meeting in which the speaking time is 30 minutes.

For example, as a parameter related to the utterance time, the evaluation value is "1" for a rate greater than 0.5, "2" for a rate of 0.5 or less and greater than 0.1, and "3" for a rate of 0.1 or less. ” is calculated. Therefore, in the above example, the evaluation value "3" is calculated as the parameter related to the speech time. In a meeting room where 40 minutes is set as the default value, in a meeting where the speech time is 50 minutes, (50 minutes - 40 minutes) / 40 minutes = 0.25, and the evaluation value is "2". .

Next, I will explain the number of utterances. Spatial presentation system 500 according to the present embodiment detects the number of utterances during a conference by making full use of detector 140 and the like. The number of utterances is the number of utterances over the entire duration of the conference. Therefore, while it can be evaluated that the larger the number of meetings, the more active the discussions are, from the viewpoint of infection by infectious substances, the larger the number of meetings, the higher the risk of infection.

First, the number of utterances is detected using the sound pickup device 142 or the like. For example, the number of utterances is calculated by detecting an utterance from the start point to the end point of an utterance as one utterance and accumulating the number of utterances detected over the entire period of the conference. In addition, any detector 140 and any detection method may be used as long as they are configured to detect the number of utterances.

For the number of utterances, an appropriate number is set for each conference room based on general assumptions according to the type of conference expected from the usage of the conference room and from the perspective of infection with infectious substances. For example, a numerical value such as 100 times is set as a specified value. Based on the ratio of the difference between the accurate number of utterances detected by the above method and the specified value to the specified value, a parameter related to the number of utterances is calculated from the viewpoint of infection by an infectious agent. For example, in a meeting room where the default value is set to 100 times, in a meeting where the number of utterances is 70 times, a numerical value of (70 times−100 times)/100 times=−0.30 is calculated.

For example, as a parameter related to the number of utterances, the evaluation value is "1" for a rate greater than 0.5, "2" for a rate of 0.5 or less and greater than 0.1, and "3" for a rate of 0.1 or less. ” is calculated. Therefore, in the above example, the evaluation value "3" is calculated as the parameter related to the number of utterances. In a meeting room where 100 times is set as the default value, in a meeting where the number of utterances is 130 times, (130 times - 100 times)/100 times = 0.30, and the evaluation value is "2". .

Next, I will explain the maximum speech sound pressure. Spatial presentation system 500 according to the present embodiment detects the maximum speech sound pressure during a conference by making full use of detector 140 and the like. Peak speech sound pressure is the highest sound pressure level in speech over the entire duration of the conference. Therefore, from the viewpoint of infection by infectious substances, it can be said that the higher the sound pressure level, the higher the infection risk of the space.

First, the maximum speech sound pressure is detected using the sound pickup device 142 or the like. For example, the sound pressure level of utterances during the meeting period is retained as a retention value, and by comparing the successively detected sound pressure levels, the retention value is updated with the higher sound pressure level, which is detected over the entire period. A maximum sound pressure level is calculated among the sound pressure levels. In addition, any detector 140 and detection method may be used as long as they are configured to detect the maximum speech sound pressure.

For the maximum speech sound pressure, a numerical value obtained by correcting the sound pressure level of the maximum speech sound pressure in a general meeting, etc. according to the layout of the sound pickup 142 in the configuration of the meeting room is set for each meeting room. For example, a numerical value such as 60 dB is set as a specified value. Based on the ratio of the difference between the accurate maximum speech sound pressure detected by the above method and the specified value to the specified value, a parameter relating to the maximum speech sound pressure is calculated from the viewpoint of infection by an infectious substance. For example, in a conference room where the default value is set to 60 dB, in a conference where the maximum speech sound pressure is 65 dB, a numerical value of (65 dB-60 dB)/60 dB=0.08 is calculated.

For example, as the parameter related to the maximum speech sound pressure, the evaluation value is "1" for the ratio of greater than 0.25, "2" for the ratio of 0.25 or less and greater than 0.05, and "2" for the ratio of 0.05 or less. "3" is calculated. Therefore, in the above example, the evaluation value "2" is calculated as the parameter related to the maximum speech sound pressure. In this way, the evaluation values are used for the purpose of aligning the weights of the parameters among the evaluation items, that is, if the parameters are equivalent in any item, they have the same impact in terms of infection with infectious agents. , the scale of the evaluation axis may differ. In a conference room where the specified value is set to 60 dB, in a conference where the maximum speech sound pressure is 55 dB, (55 dB-60 dB)/60 dB=-0.08, and the evaluation value is "3".

It should be noted that the items related to utterance such as "average interval between utterances", "utterance time", "number of utterances", and "maximum utterance sound pressure" described above can also be said to be items related to the amount of droplets scattered along with utterances. .

In addition, the above items related to speech can also be used to evaluate the quality of the meeting itself. Even if the parameter "quality of the meeting" is calculated based on multiple evaluations such as the long average interval between utterances, the short utterance duration, the small number of utterances, and the extremely low maximum utterance sound pressure, etc. good. As a result of the calculation, when holding a meeting and exposing the users of the meeting room to the risk of infection, if the parameter related to the quality of the meeting is low, it can be said that it is unsuitable from the viewpoint of infection of infectious substances. . That is, in this case, the parameters relating to the conference quality are calculated to be low.

In addition, as a similar composite evaluation, if the average utterance interval is long, the number of utterances is small, and the maximum utterance sound pressure is high, there is a possibility that an inappropriate meeting such as power harassment is being held. Therefore, the parameters related to meeting quality are calculated to be low. When these parameters related to the quality of the conference are calculated to be low, for example, the second operation of the spatial presentation system 500 may be performed to end the conference. In addition, the above-described "quiet" or "incandescent" mode of use of the conference room may be determined by actual measurement based on the above-described items related to speech. In addition, when weighing the exposure of conference room users to the risk of infection, it may be possible to calculate a lower parameter for the quality of the conference through a composite evaluation of situations where it may be judged inappropriate to hold the conference. .

Next, I will explain the maximum body temperature. Spatial presentation system 500 according to the present embodiment detects the maximum body temperature of users during a conference by making full use of detector 140 and the like. The maximum body temperature is the maximum body temperature of all the users participating in the conference. It is generally known that a person infected with an infectious agent develops a fever associated with an immune reaction. Therefore, from the viewpoint of infection by infectious substances, if a user with a high maximum body temperature is included, it can be said that the space has a high infection risk.

First, the maximum body temperature is detected using the imaging device 143 or the like. For example, a thermo camera or the like is used as the imaging device 143 here. A thermal camera detects the body temperature of each user in the conference room and calculates the maximum value. In addition, any detector 140 and detection method may be used as long as they are configured to detect the maximum body temperature.

For the maximum body temperature, the body temperature of a normal person with a fever is set as the default value. For example, a numerical value such as 37° C. is set as the specified value. Based on the ratio of the difference between the correct maximum body temperature detected by the above method and the prescribed value, a parameter relating to the maximum body temperature in terms of infection with infectious agents is calculated. For example, when 37° C. is set as the default value, a numerical value of (36° C.−37° C.)/37° C.=−0.03 is calculated for a meeting where the maximum body temperature was 36° C.

For example, as a parameter related to the maximum body temperature, the evaluation value is "1" for a rate of greater than 0.04, "2" for a rate of 0.04 or less and greater than 0.02, and "3" for a rate of 0.02 or less. ” is calculated. Therefore, in the above example, the evaluation value "3" is calculated as the parameter related to the maximum body temperature. Note that when 37°C is set as the default value, in a meeting where the maximum body temperature was 38°C, (38°C - 37°C)/37°C = 0.03, and the evaluation value is “2”. . Also, instead of the maximum body temperature, the user's body temperature may be evaluated using the average body temperature.

Next, the minimum distance will be explained. Spatial presentation system 500 according to the present embodiment uses detector 140 and the like to detect the minimum distance between users during a conference. The minimum distance is the minimum distance among the distances between users participating in the conference. It is generally known that the closer the distance, the higher the possibility of infection from an infected person to a healthy person. Therefore, from the viewpoint of infection by infectious substances, it can be said that the smaller the minimum distance, the higher the risk of infection.

First, the minimum distance is detected using the imaging device 143 or the like. For example, a stereo camera or the like is used as the imaging device 143 here. The position of each user is detected as a relative position with respect to the imaging device 143 by the stereo camera, and the distance between the users is calculated. The smallest distance among the calculated distances is adopted as the minimum distance here. In addition, any detector 140 and detection method may be used as long as they are configured to detect the minimum distance.

For the minimum distance, the distance at which it is generally difficult for droplets to spread from person to person is set as the specified value. For example, a numerical value such as 2.0 m is set as a specified value. Based on the ratio of the difference between the correct minimum distance detected by the above method and the specified value to the specified value, a parameter relating to the minimum distance is calculated in terms of infection by infectious agents. For example, when 2.0m is set as the default value, in a meeting where the minimum distance was 2.5m, a numerical value of (2.5m-2.0m)/2.0m=0.25 is calculated. be.

For example, as a parameter related to the minimum distance, as an evaluation value, "1" for a ratio of less than -0.5, "2" for a ratio of -0.5 or more and less than -0.1, -0.1 or more "3" is calculated for the ratio. Therefore, in the above example, the evaluation value "3" is calculated as the parameter related to the minimum distance. In addition, when 2.0 m is set as the default value, in the meeting where the minimum distance was 1.5 m, (1.5 m - 2.0 m) / 2.0 m = -0.25, the evaluation value becomes "2".

Next, I will explain the wearing rate. Spatial presentation system 500 according to the present embodiment uses detector 140 and the like to detect the wear rate of users' droplet suppression devices during a meeting. A droplet suppression device is a physical barrier placed on the path of droplets generated when a user coughs or sneezes. Masks, face shields, mouth shields, and , and similar. The wearing rate is a numerical value expressed as a percentage, etc., of the ratio of users wearing a droplet suppression device to the number of users participating in the meeting. Therefore, from the viewpoint of infection by infectious substances, it can be said that the lower the wearing rate, the higher the risk of infection.

First, the wear rate is detected using the imaging device 143 or the like. For example, the number of users and the number of users wearing the droplet suppressing device are detected by image analysis based on the image captured by the imaging device 143 . These numerical values are used to calculate the wear rate. In addition, any detector 140 and detection method may be used as long as they are configured to detect the wear rate.

For the wearing rate, the numerical value is set as the default value when all users are wearing some kind of droplet control device. For example, a numerical value such as 100% is set as the specified value. Based on the ratio of the difference between the correct wearing rate detected by the above method and the specified value to the specified value, parameters relating to the wearing rate are calculated from the viewpoint of infection by infectious substances. For example, when 100% is set as the specified value, a numerical value of (80%-100%)/100%=-0.20 is calculated for a meeting where the wear rate was 80%.

For example, as a parameter related to the wearing rate, the evaluation value is "1" for a rate of less than -0.5, "2" for a rate of -0.5 or more and less than -0.1, and -0.1 or more. "3" is calculated for the ratio. Therefore, in the above example, the evaluation value "2" is calculated as the parameter related to the wear rate. Note that when 100% is set as the default value, in a meeting where the wearing rate was 100%, (100%-100%)/100% = 0.00, and the evaluation value is "3". . In addition, when wearing a droplet suppression device, there are cases such as temporarily stopping wearing it, but here, when the user temporarily stops wearing it, it is considered that the user is wearing a droplet suppression device. Calculate. Parameters related to non-wearing time may also be calculated to evaluate time domains such as periods during which the droplet suppression device is temporarily not worn. The non-wearing time is the integrated value of the period during which the droplet suppression device is not worn.

Next, I will explain the humidity. Spatial presentation system 500 according to the present embodiment detects the humidity in room 98 of the conference room where the conference is held, using detector 140 and the like. There is a suitable range of humidity that can limit the spread of infectious agents. For example, when assuming a virus as an infectious substance, the humidity is preferably 40% RH or higher. Further, for example, when bacteria are assumed as infectious substances, the humidity is preferably 70% RH or less. Here, it is assumed that the infectious substance is a virus, and from the viewpoint of infection by the infectious substance, the lower the humidity, the higher the risk of infection in the space.

First, humidity is detected using a hygrometer (not shown).

For humidity, as mentioned above, numerical values corresponding to the types of infectious substances are set as default values. For example, a numerical value such as 40% RH is set as the specified value. Based on the ratio of the difference between the correct humidity detected by the above method and the specified value to the specified value, a humidity parameter is calculated in terms of infection by the infectious agent. For example, when 40% RH is set as the default value, in a meeting where the humidity is 30% RH, the numerical value (30% RH - 40% RH)/40% RH = -0.25 is calculated. be.

For example, as a parameter related to humidity, the evaluation value is "1" for the ratio of less than -0.5, "2" for the ratio of -0.5 or more and less than -0.1, and -0.1 or more. "3" is calculated for Therefore, in the above example, the evaluation value "2" is calculated as the humidity parameter. In addition, when 40% RH is set as the specified value, in a meeting where the humidity is 50% RH, (50% RH - 40% RH) / 40% RH = 0.25, and the evaluation value is " 3”. The humidity value may be relative humidity or absolute humidity. In this case, different appropriate specified values and evaluation axes are set for relative humidity and absolute humidity.

Next, CO ₂ concentration, estimated ventilation volume, estimated infection probability, and estimated remaining time will be described. These items are interrelated items from which _only the _CO2 concentration is obtained by measurement and based on which estimates of the other items are calculated. Therefore, an evaluation value as a parameter can be calculated using any of these items. First, the relationship between items will be described.

The CO ₂ concentration is a measured value detected using the CO ₂ sensor 141 . CO _{2 concentration here means the CO 2} _{concentration} in room 98 . Since the CO ₂ concentration increases from the initial value such as the CO ₂ concentration of the outdoor 97 due to exhalation of the conference room users, it can be replaced with the expiratory volume of the conference room users. In addition, the CO ₂ concentration increased by exhalation in this way decreases with ventilation by the ventilator 110 .

Here, fine droplets such as infectious substances are, for example, dispersed in the room 98 with the exhalation of an infected person infected with them, the concentration thereof increases, and the concentration decreases with ventilation by the ventilation device 110. . Thus, by focusing on the breath of an infected person, it is possible to obtain an index of the amount of infectious substances generated. In addition, an index for the amount of infectious substances discharged can be obtained based on the ventilation volume at this time. Based on these, it is possible to estimate the infection probability of infectious substances caused by using the conference room. In addition, as an indicator of the period during which droplets that may contain infectious substances are scattered and the probability of infection maintains a value above a certain value, the residual time of infectious substances can be estimated.

Specifically, CO ₂ concentration, estimated ventilation volume, estimated infection probability, and estimated remaining time are related to each other as follows.

First, the CO ₂ concentration is expressed as Equation (1) below.

In the above formula (1), C indicates the CO ₂ concentration in parts per million [ppm] in the room 98 detected by the CO ₂ sensor 141 . Also, in the above formula (1), n indicates the number of users of the conference room. Also, in the above equation (1), k represents a respiratory volume coefficient for correcting the respiratory volume for each user's workload. As an example, the respiratory rate coefficient is "1" for general office work in a seated posture, "2" for meetings with many remarks, and "3" for light work equivalent to stretching. is set to "5" for normal exercise.

Also, in the above equation (1), Q indicates the estimated exchange amount of gas per unit time (here, one hour), that is, the estimated ventilation volume [m ³ /h]. 0.01794 in the above equation (1) is a constant obtained by multiplying the amount of breath generated per person per hour by the CO ₂ concentration in breath. Also, 400 in the above formula (1) is the initial concentration of CO ₂ in the room 98, and is set to a numerical value in parts per million of the CO ₂ concentration in normal air. Therefore, when the conference room is used continuously, the numerical value detected during previous use may be used as the initial concentration during subsequent use.

When the above formula (1) is rearranged for the estimated ventilation volume, the following formula (2) is obtained.

As shown in the above equation (2), if the CO ₂ concentration is detectable, the estimated ventilation volume can be calculated using the CO ₂ concentration.

In addition, the estimated infection probability is expressed by the following formula (3).

In addition, in the above formula (3), P indicates the estimated infection probability. Also, in the above formula (3), I indicates the number of infected persons included in the conference room users. As I, a hypothetical numerical value may be applied, or if the actual number of infected people can be grasped, the numerical value may be applied. For example, when calculating an index such as the estimated probability of infection in a meeting that includes at least one infected person, the numerical value of one person is applied as I. Also, in the above formula (3), q represents the amount of newly generated infectious substances generated from an infected person per hour. Since q is a numerical value specific to an infectious agent, a numerical value announced by various research institutes and the like may be applied according to the assumed infectious agent. Also, in the above formula (3), p indicates the amount of exhaled breath per person per hour. Also, in the above formula (3), t indicates the usage time in units of one hour.

By substituting the above formula (2) into the above formula (3), the following formula (4) is obtained.

As shown in the above formula (4), if the CO ₂ concentration can be detected, the estimated infection probability can be calculated using the CO ₂ concentration and the usage time.

Also, the estimated remaining time is represented by the following formula (5).

It should be noted that in the above formula (5), T indicates the estimated remaining time of the infectious agent in units of one hour. Also, in the above formula (5), V indicates the volume of the conference room.

By substituting the above formula (2) into the above formula (5), the following formula (6) is obtained.

As shown in Equation (6) above, if the CO ₂ concentration is detectable, the estimated remaining time can be calculated using the CO ₂ concentration and the volume of the conference room.

Spatial presentation system 500 according to the present embodiment uses detector 140 or the like to detect the CO ₂ concentration in room 98 of the conference room where the conference is being held. The CO ₂ concentration is detected using the CO ₂ sensor 141 .

The CO ₂ concentration has a two-sided relationship with the estimated ventilation volume of the conference room, as described above. Therefore, numerical values corresponding to each other are set as specified values for the CO ₂ concentration and the estimated ventilation volume. For example, a numerical value such as 200 m ³ /h is set for the estimated ventilation volume. On the other hand, for the CO ₂ concentration, a numerical value such as 758.8 ppm (calculated as n = 4 and k = 1) is the specified value when Q = 200 is substituted into the above formula (1). is set as Since these items have the same meaning in terms of infection with infectious agents, the estimated ventilation volume will be described below. Based on the ratio of the difference between the estimated ventilation volume estimated from the CO ₂ concentration detected by the above method and the specified value to the specified value, a parameter related to the estimated ventilation volume is calculated from the viewpoint of infection by an infectious agent. For example, when 200 m ³ /h is set as the specified value, in a meeting where the estimated ventilation volume was 110 m ³ /h, (110 m ³ /h-200 m ³ /h)/200 m ³ /h = -0 A figure of .45 is calculated.

For example, as a parameter related to the estimated ventilation volume, as an evaluation value, "1" for a ratio of less than -0.5, "2" for a ratio of -0.5 or more and less than -0.1, -0.1 or more "3" is calculated for the ratio of Therefore, in the above example, an evaluation value of "2" is calculated as the parameter related to the estimated ventilation volume. Note that when 200 m ³ /h is set as the prescribed value, in a meeting where the estimated ventilation volume was 290 m ³ /h, (290 m ³ /h−200 m ³ /h)/200 m ³ /h=0. 45, and the evaluation value is "3".

For the estimated infection probability, for example, a numerical value is set as a default value when more than half of the users of the conference room can be infected. For example, a numerical value such as 0.5 is set for the estimated infection probability. Based on the ratio of the difference between the estimated infection probability estimated from the CO ₂ concentration detected by the above method and the specified value to the specified value, a parameter related to the estimated infection probability is calculated from the viewpoint of infection by the infectious substance. For example, when 0.5 is set as the default value, the value of (0.8-0.5)/0.5 = 0.6 is calculated for a meeting where the estimated infection probability was 0.8. be done.

For example, as a parameter related to the estimated infection probability, the evaluation value is "1" for a rate greater than 0.5, "2" for a rate of 0.5 or less and greater than 0.1, and " 3” is calculated. Therefore, in the above example, the evaluation value "2" is calculated as the parameter related to the estimated infection probability. In addition, when 0.5 is set as the default value, in the meeting where the estimated infection probability was 0.3, (0.2-0.5) / 0.5 = -0.6, and the evaluation The value is "3".

For the estimated remaining time, an appropriate value is set for each conference room, such as half the specified value of the usage time that is set in advance in consideration of the size of the conference room. For example, for a small conference room with one table, a default usage time such as 1.0 hours is set, and a numerical value such as 0.5 hours is set for the estimated remaining time. It is Based on the ratio of the difference between the estimated remaining time estimated from the CO ₂ concentration detected by the above method and the specified value to the specified value, a parameter related to the estimated remaining time is calculated from the viewpoint of infection by the infectious agent. For example, when the default value is set to 0.5 hours, in a meeting where the estimated remaining time is 1.0 hours, the value is (1.0-0.5)/0.5=1.0. is calculated.

For example, as a parameter related to the estimated remaining time, the evaluation value is "1" for a rate greater than 0.5, "2" for a rate of 0.5 or less and greater than 0.1, and " 3” is calculated. Therefore, in the above example, the evaluation value "1" is calculated as the parameter related to the estimated remaining time. In addition, when 0.5 is set as the specified value, the estimated remaining time is 0.0 if the room is ventilated and left before the usage time of the meeting room ends, and then the usage time ends. (0.0-0.5)/0.5=-1.0, and the evaluation value is "3".

In the present embodiment, the parameters are calculated as described above. The calculated parameter indicates the degree of infection risk in infection with an infectious substance, and the determining unit 105 determines that the higher the risk of infection based on the calculated parameter, the more inappropriate the conference room is to be used. Therefore, in the above example, the smaller the numerical value of the parameter, the higher the risk of infection and the use is determined to be unsuitable. It should be noted that thresholds such as whether to determine that it is unsuitable if the parameter is "1" and whether to determine that it is unsuitable if the parameter is "2" may be set in advance, or may be set in advance. It may be determined dynamically from an indicator other than the infection of the infectious agent, such as what percentage of the conference room is in use (utilization rate).

Further, if any one of the plurality of parameters calculated as described above is below the threshold, the conference room may be determined to be unsuitable. If the conference room is

[effect]
As described above, the spatial presentation system 500 according to the present embodiment includes an acquisition unit that acquires the detection result of the spatial environment in each of the plurality of spaces from the detectors 140 installed in each of the plurality of spaces; A determination unit 105 that determines whether each of the plurality of spaces is appropriate for use based on the detection result when each of the spaces has been used in the past; and a presentation unit 106 that presents the .

Such a space presentation system 500 can determine from the spatial environment detection results whether it was used appropriately when it was used in the past, and can present a space suitable for current use. For example, the presentation unit 106 does not present a space that is not suitable for use, but presents a space that is suitable for use, so that the user can naturally select and use the space that is suitable for use. becomes possible. In this way, the spatial presentation system 500 can realize presenting an appropriate space.

Further, for example, the determining unit 105 determines whether the user is infected with a predetermined infectious substance when using each of the plurality of spaces based on the detection result when each of the plurality of spaces was used in the past. The calculation unit 107 may calculate a parameter related to the space, and the more the calculated parameter indicates that the risk of infection is higher, the more inappropriate the space may be determined to be used.

According to this, it is possible to determine from the results of detection of the spatial environment whether it was used appropriately in the past from the perspective of infection with infectious substances, etc., and to present a space suitable for current use. can be done. For example, the parameter calculated by the calculation unit 107 can indicate whether the space has a high infection risk or a low infection risk, and the appropriateness of use of each space can be determined according to this parameter. The user can select and use a space that is naturally suitable for use from the viewpoint of infection with infectious substances. In this way, the spatial presentation system can realize presenting an appropriate space.

Further, for example, the acquisition unit acquires, as a detection result, audio information collected when each of the plurality of spaces was used in the past from the sound pickup device 142 included in the detector 140, and the determination unit 105 The higher the sound pressure level in the audio information, the higher the infection risk indicated by the parameter may be calculated.

According to this, it is possible to acquire sound information collected when each of the plurality of spaces was used in the past from the sound collector 142 as a detection result and use it for parameter calculation. For example, parameters related to speech such as "average speech interval", "speech time", "number of speeches" and "maximum speech sound pressure" can be calculated from the acquired voice information. Based on parameters related to speech, a short average speech interval, a long speech time, a large number of speeches, and a large maximum speech sound pressure increase the amount of droplets that may contain infectious substances. , it can be shown that it is a space with a high infection risk when these conditions are met.

In addition, the increase in the amount of droplets scattered can be interpreted as an increase in the amount of breathing, and users who meet the above conditions can be said to be at high risk of infection. For example, if it is possible to cooperate with a system that can individually identify users, it is also possible to identify users with a high risk of infection by linking with the parameters related to the above speech. If such users with a high infection risk are included in the users who are planning to use the space, the space may be presented so that the infection risk is relatively low compared to other cases, or various infection risks You may increase the drive amount of the equipment which can reduce the .

In this way, the spatial presentation system can present an appropriate space.

Also, for example, the acquisition unit acquires the CO ₂ concentration when each of the plurality of spaces was used in the past from the CO ₂ sensor 141 included in the detector 140 as a detection result, and the determination unit 105 acquires the CO ₂ concentration The greater the is, the higher the infection risk indicated by the parameter may be calculated.

According to this, the CO ₂ concentration when each of the plurality of spaces has been used in the past can be obtained from the CO ₂ sensor as a detection result, and can be used for parameter calculation. For example, from the acquired CO ₂ concentration, it is possible to calculate parameters that are directly related to infection with infectious substances, such as "estimated ventilation volume", "estimated probability of infection", and "estimated remaining time". Therefore, based on these parameters, it is possible to directly determine the adequacy of space utilization for infection with infectious agents. In this way, the spatial presentation system can realize presenting an appropriate space.

Further, for example, the parameter indicates a remaining time, which is a period during which a predetermined infectious substance remains in each of a plurality of spaces, and the determination unit 105 determines whether the corresponding space is within the predetermined remaining time of the infectious substance. Use may be judged inappropriate.

According to this, it is possible to determine that the use of the space is inappropriate at least within the period when infectious substances are estimated to remain. As a result, the possibility of infection by infectious substances caused by the use of this space by the user can be reduced.

Further, for example, the output unit 101 is further provided, and the determination unit 105 performs detection based on the detection result obtained from the detector 140 installed in one space while using one of the plurality of spaces. , the appropriateness of use of the one space may be determined, and the output unit 101 may output continuation information regarding continued use of the one space when it is determined that the use of the one space is inappropriate.

According to this, the appropriateness of the use of the space is determined even while the user is using the space, and if the use is determined to be inappropriate, it is automatically determined whether to continue using the space. space can be utilized appropriately. This operation (that is, the second operation) can be realized by a configuration substantially similar to the first operation for presenting an appropriate space. can be combined.

Also, for example, the output unit 101 may output, as the continuation information, a notice to end the continuation of use of the one space to the user of the one space.

According to this, when the use of the space is determined to be inappropriate, the continuation of use of the space can be terminated to reduce the use of the space in an inappropriate environment.

Further, for example, the output unit 101, as the continuation information, determines the driving amount for the equipment installed in one space and for which the spatial environment in the one space is improved according to the driving amount of the equipment. A control signal for increasing may be output.

According to this, it is possible to improve the spatial environment by increasing the amount of equipment driven, and to allow users to continue using the space.

Further, for example, when the use of one space is determined to be inappropriate, the output unit 101 sends request information requesting permission to output continuation information to the management device 130 for managing one space. When permission information permitting the output of the continuation information is obtained from the management device 130, the continuation information regarding the continuation of use of the one space may be output.

According to this, it is possible to terminate the continued use of the space by the output unit or increase the equipment driving amount after obtaining execution permission from the administrator or the like via the management device 130 . As a result, the administrator, etc. can grasp that the use of the space is inappropriate, and will stop using the space, or decide to continue using it after increasing the driving amount of the equipment. can be made

Further, the spatial presentation method according to the present embodiment acquires the detection result of the spatial environment in each of the plurality of spaces from the detector 140 installed in each of the plurality of spaces, and obtains the spatial environment detection result in each of the plurality of spaces. Based on the detection result at the time of detection, the propriety of use of each of the plurality of spaces is determined, and the space determined to be appropriate for use is presented from among the plurality of spaces.

According to this, the same effect as the spatial presentation system 500 described above can be obtained.

Also, the program according to the present embodiment is a program for causing a computer to execute the spatial presentation method described above.

According to this, it is possible to obtain the same effect as the spatial presentation system 500 described above using a computer.

(Embodiment 2)
In the above first embodiment, the spatial presentation system that presents a suitable space to the user based on the detection result of the spatial environment has been described. This is to present a space suitable for use from among a plurality of spaces by utilizing the fact that alternative spaces can be presented since the space that the user wants to use has not been determined. On the other hand, depending on the space that the user wants to use, it may be difficult to present an alternative space. For example, in a situation where infection with infectious substances is spreading, it may happen that the space that the user wants to use is not used appropriately.

In such cases, the possibility of infection with infectious substances can be reduced by presenting information for the user to determine when to use the space. Therefore, in the second embodiment described below, when a space that the user wants to use has been decided, based on the spatial environment detection result, information indicating whether or not the use at that time is appropriate is output. An information output device and a presentation system provided with the information output device will be described. In the second embodiment described below, the same reference numerals are given to the configurations that can be regarded as being substantially equivalent to those of the first embodiment, and the description in the first embodiment can be referred to. , the description may be omitted or simplified.

[Constitution]
First, referring to FIG. 7, an information output device and a presentation system according to this embodiment will be described. FIG. 7 is a block diagram showing the functional configuration of the presentation system etc. according to the second embodiment. As shown in FIG. 7, the presentation system 200 is a device having a functional configuration similar to the spatial presentation device described in the first embodiment. Specifically, the presentation system 200 includes an information output device 300 and an information presentation device 109 that presents suitability information, which is information output by the information output device 300 . The presentation system 200 includes an information output unit 108 as a component of the information output device 300 instead of the output unit of the spatial presentation device, and an information presentation device 109 instead of the presentation unit of the spatial presentation device.

The information output unit 108 is a processing unit that outputs propriety information regarding the propriety of using the space based on the calculated parameters. That is, the information output unit 108 has a function of outputting the determination result of the determination unit 105 as information for presenting the user.

In addition to the information output unit 108, the information output device 300 has a first acquisition unit 102, a second acquisition unit 103, a third acquisition unit 104, and a calculation unit 107 similar to those provided in the spatial presentation device. A unit 105 is provided. Thus, the information output device 300 can also be realized by a processor, memory, and a program executed using the processor and memory.

The information presentation device 109 is a device that is implemented by a physical display module similar to the presentation unit of the spatial presentation device, and that presents suitability information by voice or image.

In this embodiment, the user can obtain information regarding the appropriateness of use based on the detection results of the spatial environment of the space before arriving at the space that the user wishes to use. Therefore, in the presentation system 200, at least the information presentation device 109 is provided independently of the space that the user wants to use (the room 98 in the figure). Here, the presentation system 200 is provided independently of the space that the user wants to use together with the information output device 300 .

The presentation system 200 may be, for example, a stationary device installed in the user's home or a mobile object such as a vehicle, or may be a device that the user can carry. However, the presentation system 200 acquires various detection results from the detector 140 installed in the room 98 . Therefore, the presentation system 200 is communicatively connected to the detector 140 via a communication line such as the Internet.

Alternatively, only the information output device 300 of the presentation system 200 may be arranged in a space that the user wants to use, and the information presentation device 109 may receive and present the suitability information. Alternatively, only the information output device 300 of the presentation system 200 may be arranged in a cloud server or the like on the network, and the information presentation device 109 may receive and present the suitability information.

[motion]
The operation of the information output device 300 according to the present embodiment will be described below with reference to FIGS. 8 to 9D. FIG. 8 is a flow chart showing the operation of the information output device according to the second embodiment. 9A is a first diagram showing an example of suitability information presented by the presentation system according to Embodiment 2. FIG. 9B is a second diagram showing an example of suitability information presented by the presentation system according to Embodiment 2. FIG. 9C is a third diagram showing an example of suitability information presented by the presentation system according to Embodiment 2. FIG. 9D is a fourth diagram showing an example of suitability information presented by the presentation system according to Embodiment 2. FIG.

In the operation of the information output device 300, as shown in FIG. 8, various detectors 140 first detect the current spatial environment in the room 98 and generate detection results. The acquisition unit acquires this detection result (step S<b>201 ) and transmits it to the determination unit 105 . The calculation unit 107 of the determination unit 105 calculates parameters based on the acquired detection result (step S202). The determination unit 105 determines whether the room 98 is appropriate for use from the calculated parameters (step S203).

It should be noted that the processing of steps S201 to S203 is performed at the timing when it is found that the user intends to use the room 98. For example, the above process is triggered by the user's search for a facility or the like to which the room 98 belongs using a map information service or the like. In addition, the user simply selects one room 98 from one or more rooms 98 registered in advance by operating the information output device 300 via an operation unit or the like (not shown) as a trigger. The above processing may be performed as

In this way, the information output device 300 according to the present embodiment outputs the appropriateness information about the appropriateness of use in substantially real time from the detection result of the current spatial environment of the space that the user wants to use (step S204). .

For example, the calculation unit 107 calculates a parameter related to the estimated remaining time in the space that the user wants to use, determines that the use of the space is inappropriate within the estimated remaining time (before the estimated remaining time has elapsed), and outputs information. A unit 108 outputs information that causes a warning against usage to be presented.

Further, for example, the calculation unit 107 calculates a parameter related to the estimated ventilation volume of the space based on the CO ₂ concentration in the space that the user wants to use, and the determination unit 105 determines that the parameter related to the estimated ventilation volume is equal to or less than the first threshold. Then, it is determined that the use of the space is inappropriate, and if it is larger than the second threshold equal to or greater than the first threshold, it is determined that the use of the space is appropriate. The information output unit 108 outputs information that presents either a warning or a recommendation for use. Note that the first threshold and the second threshold here may be the same numerical value. In other words, the determination as to whether the use is inappropriate or appropriate may be switched at a single numerical value, which is both the first threshold and the second threshold.

9A-9D illustrate a presentation system 200 implemented as a hand-held device. As shown in FIG. 9A , the presentation system 200 includes, for example, content (that is, use warning) is presented. In addition, as shown in FIG. 9B, the presentation system 200 includes, for example, content that recommends the use of a space that the user wants to use (here, a predetermined shopping mall) because the risk of infection is low (that is, recommended) is presented. In this way, the presentation system 200 selectively presents a warning against use and a recommendation against use according to the infection risk in the space that the user wants to use.

In addition, in the presentation system 200, it is also possible to present, as additional information, the detection results used to determine the appropriateness of the space so that the user can make more free decisions regarding the use of the space. For example, as shown in FIG. 9C, the presentation system 200 can also present the wearing rate of the droplet suppression device of the user currently using the space as the actual numerical value. In addition, the presentation system 200 can also present the maximum body temperature, which is the highest body temperature among the body temperatures of the users currently using the space, as the actual numerical value. In addition, the presentation system 200 can also present the minimum distance, which is the smallest distance among the distances between two or more users currently using the space, as the actual numerical value.

In addition, such additional information can be presented not only by specific numerical values, but also by degrees. For example, as shown in FIG. 9D, in the presentation system 200, items that can be evaluated based on numerical values, such as the number of users and usage patterns, can be displayed in terms of frequency using a scale bar. Regarding the number of users, a relatively small number is defined as "empty" and a relatively large number is defined as "full", showing how close the detected numbers are to "empty" and "full". At this time, 0 people is set as the numerical value closest to "empty", and the number of people at the appropriate time of use of the space is set as the numerical value closest to "full". In addition, as described in the first embodiment, the manner of use is comprehensively evaluated from various items of utterances of users who are currently using the space. It shows how close the sensed numbers are to "quiet" and "glow", with relatively high numbers being "glow".

In addition, the presentation system 200 may count down the time until the determination that the use of the space changes from inappropriate to appropriate, such as the remaining time until the estimated remaining time elapses. The presentation of the additional information is configured such that, for example, by operating a screen switching button or the like (not shown), presentation of warning and recommendation information for use and presentation of additional information can be switched. Further, if the display module or the like forming the information presentation device 109 has a large screen configuration capable of displaying more information, the warning and recommended information for use and the additional information can be presented on one screen. may be broken.

In this way, in the presentation system 200 according to the present embodiment, by presenting the suitability information output by the information output device 300 with the information presentation device 109, the user can confirm the suitability information. In this way, information on whether or not the space the user wishes to use is suitable for use can be confirmed in substantially real time. It is possible to consider changing the usage timing.

In addition to the presentation system 200 with the display module as described above, it is also possible to simply output and present the propriety of using the space based on the number of times the LED lamp emits light or the number of times the tone sound is produced.

[effect]
As described above, the information output device 300 according to the present embodiment includes an acquisition unit that acquires the detection result of the spatial environment in the space from the detector 140 installed in the space, and the space environment based on the detection result of the space. and an information output unit 108 that outputs appropriateness information regarding appropriateness of space usage based on the calculated parameters. , provided.

Such an information output device 300 can output information regarding the appropriateness of the use of the space based on the parameters calculated from the detection results of the spatial environment before using the space. In this way, the information output device 300 can output information that can be referred to when using the space. Based on this space suitability information, for example, the user refrains from using the space when it is determined that the use of the space is inappropriate, or changes the space to be used if there is another alternative space. to reduce the likelihood of infection with infectious agents.

Further, for example, the propriety information selectively selects either one of a warning against the use of the space based on inappropriate use of the space and a recommendation on the use of the space based on the appropriate use of the space. It may be information to be presented.

According to this, if the use of the space is inappropriate, the warning presented by the suitability information can be used to modify the use of the space. On the other hand, if the use of the space is appropriate, the space can be actively used by the recommendation presented by the propriety information. For example, it is possible to prevent users from overlapping usage timings of the space by making them stop using the space at inappropriate timings and recommending them to use it at appropriate timings. Although this reduces the use of inappropriate space, it is difficult to reduce the use of appropriate space, so it can be expected to have the effect of suppressing the slump in economic activities that accompanies the use of space.

Also, for example, the acquisition unit acquires, as a detection result, the voice information of the user who is currently using the space, which is picked up by the sound pickup device 142 included in the detector 140, and the calculation unit 107 obtains as a parameter A parameter related to the amount of droplets that may contain a predetermined infectious substance may be calculated based on the voice information.

According to this, voice information picked up by the sound collector can be obtained as a detection result and used for parameter calculation. For example, parameters related to speech such as "average speech interval", "speech time", "number of speeches" and "maximum speech sound pressure" can be calculated from the acquired voice information. Based on parameters related to speech, a short average speech interval, a long speech time, a large number of speeches, and a large maximum speech sound pressure increase the amount of droplets that may contain infectious substances. , it can be shown that it is a space with a high infection risk when these conditions are met.

In addition, the increase in the amount of droplets scattered can be interpreted as an increase in the amount of breathing, and users who meet the above conditions can be said to be at high risk of infection. For example, if it is possible to cooperate with a system that can individually identify users, it is also possible to identify users with a high risk of infection by linking with the parameters related to the above speech. If such a user with a high infection risk is included in the current users, the parameter may be calculated with a relatively high infection risk compared to other cases.

Further, for example, the calculation unit 107 calculates, as a parameter, a parameter related to the remaining time, which is the period during which a predetermined infectious substance remains in the space, and the information output unit 108 outputs the information regarding the appropriateness of the use of the space within the remaining time. Information may be output to present a warning for

According to this, at least within the period when infectious substances are estimated to remain, it is possible to determine that the use of the space is inappropriate and issue a warning based on the suitability information. As a result, the possibility of infection by infectious substances caused by the use of this space by the user can be reduced.

Further, for example, the acquisition unit acquires the CO ₂ concentration in the space detected by the CO ₂ sensor 141 included in the detector 140 as a detection result, and the calculation unit 107 calculates the CO 2 concentration in the space as a parameter based on the CO ₂ concentration. The information output unit 108 outputs information for presenting a warning against the use of the space as adequacy information when the parameter regarding the ventilation volume is equal to or less than the first threshold, and the parameter regarding the ventilation volume is the first threshold. If it is greater than the above second threshold value, information for recommending the use of the space may be output as the propriety information.

According to this, the CO ₂ concentration can be obtained as a detection result from the CO ₂ sensor and used for parameter calculation. For example, from the acquired _CO2 concentration, a parameter of "estimated ventilation" can be calculated. The ventilation volume is a parameter that indicates that the larger the ventilation volume, the more difficult it is to maintain the amount of infectious substances that can lead to infection when the infectious substances are floating in the space. Therefore, if the ventilation volume is equal to or lower than the first threshold value that can maintain the amount of infectious substances that can lead to infection, it is possible to suppress the infection of the user with infectious substances by making the use of the space unsuitable. On the other hand, if the ventilation volume is larger than the second threshold, which can be regarded as unlikely to lead to infection by infectious substances, the use of the space can be considered appropriate and the use of the space by the user can be promoted.

Further, for example, the acquisition unit further acquires an image in the space captured by the imaging device 143 included in the detector 140 as a detection result, and the calculation unit 107 further acquires the currently used space based on the image. The information output unit 108 may output the wear rate including the wear rate in the adequacy information.

According to this, the wear rate of the droplet suppressing device of the user currently using the space is calculated based on the image captured by the image pickup device included in the detector, and the suitability information includes the wear rate and is output. be able to. The user can make a decision as to whether or not to use the space, taking into consideration the information on the wearing rate presented by the output.

Further, for example, the acquisition unit further acquires the body temperature of each user currently using the space, which is measured by the thermometer included in the detector 140, as a detection result, and the calculation unit 107 further: A maximum body temperature, which is the highest body temperature among the body temperatures, may be calculated, and the information output unit 108 may output the suitability information including the maximum body temperature.

According to this, the maximum body temperature, which is the highest body temperature of the users currently using the space, measured by the thermometer included in the detector, can be included in the suitability information and output. The user can make a decision as to whether or not to use the space, taking into consideration the maximum body temperature information presented by the output.

Further, for example, the acquisition unit further acquires an image in the space captured by the imaging device 143 included in the detector 140 as a detection result, and the calculation unit 107 further acquires the currently used space based on the image. The minimum distance, which is the shortest distance among the distances between two or more users who are doing the same, may be calculated, and the information output unit 108 may output the suitability information including the minimum distance.

According to this, the minimum distance, which is the smallest distance among the distances between two or more users currently using the space, is calculated based on the image captured by the imaging device included in the detector. , the minimum distance can be included in the eligibility information and output. The user can make a decision as to whether or not to use the space, taking into account the minimum distance information presented by the output.

Also, the presentation system 200 according to the present embodiment includes the information output device 300 described above and the information presentation device 109 that presents the output suitability information.

According to this, the presentation system 200 that presents the information output by the information output device 300 by the information presentation device 109 can be realized. Therefore, the same effects as those of the information output device 300 described above can be obtained.

Further, the information output method according to the present embodiment acquires the detection result of the spatial environment in the space from the detector 140 installed in the space, and based on the detection result of the space, when the space is used, a predetermined A parameter relating to the infection of the user by the infectious substance is calculated, and based on the calculated parameter, propriety information regarding propriety of use of the space is output.

According to this, the same effect as the information output device 300 described above can be obtained.

Also, the program according to the present embodiment is a program for causing a computer to execute the information output method described above.

According to this, it is possible to achieve the same effect as the information output device 300 described above using a computer.

(Other embodiments)
As described above, the spatial presentation system, the presentation system, and the like according to the present disclosure have been described based on the above embodiments, but the present disclosure is not limited to the above embodiments.

Further, in the above embodiment, the processing executed by a specific processing unit may be executed by another processing unit. Also, the order of multiple processes may be changed, or multiple processes may be executed in parallel. Also, the allocation of the components of the control system to a plurality of devices is an example. For example, a component included in one device may be replaced by another device.

For example, the processing described in the above embodiments may be implemented by centralized processing using a single device (system), or may be implemented by distributed processing using a plurality of devices. good. Also, the number of processors executing the above program may be singular or plural. That is, centralized processing may be performed, or distributed processing may be performed.

Further, in the above embodiments, all or part of the components such as the control unit may be configured with dedicated hardware, or implemented by executing a software program suitable for each component. good too. Each component may be implemented by a program execution unit such as a CPU (Central Processing Unit) or processor reading and executing a software program recorded in a recording medium such as an HDD or semiconductor memory.

In addition, components such as the control unit may be configured with one or more electronic circuits. Each of the one or more electronic circuits may be a general-purpose circuit or a dedicated circuit.

One or more electronic circuits may include, for example, a semiconductor device, IC or LSI. An IC or LSI may be integrated on one chip or may be integrated on a plurality of chips. Although they are called ICs or LSIs here, they may be called system LSIs, VLSIs (Very Large Scale Integration), or ULSIs (Ultra Large Scale Integration) depending on the degree of integration. Also, an FPGA that is programmed after the LSI is manufactured can be used for the same purpose.

Also, general or specific aspects of the present disclosure may be implemented as a system, apparatus, method, integrated circuit, or computer program. Alternatively, the computer program may be implemented by a computer-readable non-temporary recording medium such as an optical disc, HDD, or semiconductor memory. Also, any combination of systems, devices, methods, integrated circuits, computer programs and recording media may be implemented.

In addition, forms obtained by applying various modifications to each embodiment that a person skilled in the art can think of, or realized by arbitrarily combining the constituent elements and functions according to each embodiment within the scope of the present disclosure. Also included in the present disclosure is the form of

101 output unit 102 first acquisition unit (acquisition unit)
103 second acquisition unit (acquisition unit)
104 third acquisition unit (acquisition unit)
105 Determination Unit 106 Presentation Unit 107 Calculation Unit 130 Management Device 140 Detector 141 CO ₂ Sensor 142 Sound Collector 500 Spatial Presentation System

Claims

an acquisition unit that acquires detection results of the spatial environment in each of the plurality of spaces from detectors installed in each of the plurality of spaces;
a determination unit that determines appropriateness of use of each of the plurality of spaces based on the detection result when each of the plurality of spaces has been used in the past;
A space presentation system, comprising: a presentation unit that presents a space determined to be appropriate for use from among the plurality of spaces.
The determination unit is
Calculation for calculating a parameter related to infection of a user with a predetermined infectious substance when each of the plurality of spaces is used, based on the detection result when each of the plurality of spaces was used in the past has a part
The space presentation system according to claim 1, wherein the more the calculated parameter indicates that the risk of infection is higher in a space, the more inappropriate it is determined to be used.
The acquisition unit acquires sound information collected when each of the plurality of spaces was used in the past from a sound collector included in the detector as the detection result,
3. The spatial presentation system according to claim 2, wherein the determining unit calculates a higher infection risk indicated by the parameter as the sound pressure level in the audio information increases.
The acquisition unit acquires the CO 2 concentration when each of the plurality of spaces was used in the past from the CO 2 sensor included in the detector as the detection result,
The spatial presentation system according to claim 2, wherein the determining unit calculates a higher infection risk indicated by the parameter as the CO2 concentration increases.
the parameter indicates a remaining time, which is a period during which the predetermined infectious substance remains in each of the plurality of spaces;
3. The spatial presentation system according to claim 2, wherein the determination unit determines that the use of the corresponding space is inappropriate within the predetermined remaining time of the infectious substance.
Furthermore, it has an output section,
The determination unit, while using one of the plurality of spaces, determines whether the one space is appropriate to use based on the detection result obtained from the detector installed in the one space. to determine
The spatial presentation system according to any one of claims 1 to 5, wherein the output unit outputs continuation information regarding continued use of the one space when use of the one space is determined to be inappropriate.
7. The spatial presentation system according to claim 6, wherein the output unit outputs, as the continuation information, a notification to terminate continued use of the one space to the user of the one space.
The output unit outputs, as the continuation information, the equipment installed in the one space in which the spatial environment in the one space is improved according to the driving amount of the equipment. 7. The spatial presentation system of claim 6, outputting a control signal for increasing the .
The output unit, when it is determined that the use of the one space is inappropriate,
transmitting request information requesting permission to output the continuation information to a management device for managing the one space;
9. The space presentation system according to any one of claims 6 to 8, wherein, when permission information permitting output of said continuation information is obtained from said management device, continuation information regarding continued use of said one space is output.
Obtaining detection results of the spatial environment in each of the plurality of spaces from detectors installed in each of the plurality of spaces,
Determining appropriateness of use of each of the plurality of spaces based on the detection result when each of the plurality of spaces was used in the past,
A space presentation method for presenting a space determined to be suitable for use from among the plurality of spaces.
A program for causing a computer to execute the spatial presentation method according to claim 10.