JP2022129306A - Environmental control system, environmental control method, and program - Google Patents

Abstract

To provide an environmental control system capable of providing a space where users can relatively easily concentrate.SOLUTION: An environmental control system 100 includes an illumination control unit 11. The illumination control unit 11 controls the illuminance of lighting load 6 installed in workspace 4. The lighting load 6 includes: a first load 61 that has the light distribution characteristics of the diffuse type; and a second load 62 that has light distribution characteristics of condensing type. The illumination control unit 11 controls the lighting load 6 so that the illuminance ratio of the maximum illuminance of the workspace 4 when the first load 61 is lit to the maximum illuminance of the workspace 4 when the second load 62 is lit is 0.4 or less.SELECTED DRAWING: Figure 1

Description

The present invention relates to an environment control system, an environment control method, and a program.

Patent Literature 1 discloses a lighting control device. This lighting control device judges whether each of the divided areas obtained by dividing the lighting area into a plurality of areas in advance is a stay area where a person stays or a non-stay area based on the movement speed of a person in the lighting area detected by the human body information detecting means. do. Then, the lighting control means performs lighting control on the lighting fixtures arranged in the divided area based on the determination result.

JP 2013-109876 A

The present invention provides an environment control system, an environment control method, and a program that can provide a space in which users can concentrate relatively easily.

An environment control system according to an aspect of the present invention includes a lighting control section that controls illuminance of a lighting load provided in a work space. The lighting load includes a first load having a diffuse light distribution characteristic and a second load having a condensing light distribution characteristic. The lighting control unit sets the illuminance ratio of the maximum illuminance of the work space when the first load is turned on to the maximum illuminance of the work space when the second load is turned on to be 0.4 or less. to control the lighting load.

An environment control method according to an aspect of the present invention includes a lighting control step of controlling illuminance of a lighting load provided in a work space. The lighting load includes a first load having a diffuse light distribution characteristic and a second load having a condensing light distribution characteristic. In the lighting control step, the illuminance ratio of the maximum illuminance of the work space when the first load is turned on to the maximum illuminance of the work space when the second load is turned on is 0.4 or less. to control the lighting load.

A program according to an aspect of the present invention causes one or more processors to execute the environment control method.

ADVANTAGE OF THE INVENTION The environmental control system, the environmental control method, and the program of the present invention have the advantage of being able to provide a space in which the user can concentrate relatively easily.

FIG. 1 is a block diagram showing the functional configuration of the environment control system according to the embodiment. FIG. 2 is a schematic diagram showing an example of a work space in which the environment control system according to the embodiment is used. FIG. 3 is a schematic diagram showing an example of the display device of the environment control system according to the embodiment. FIG. 4 is a diagram showing the results of the first experiment. FIG. 5 is a diagram showing the results of the second experiment. FIG. 6 is a diagram showing the results of the third experiment. FIG. 7 shows the results of the fourth experiment. FIG. 8 is a diagram showing the results of the fifth experiment. FIG. 9 is a diagram showing the results of the sixth experiment. FIG. 10 is a flow chart showing an operation example of the environmental control system according to the embodiment.

Hereinafter, embodiments will be specifically described with reference to the drawings. It should be noted that the embodiments described below are all comprehensive or specific examples. Numerical values, shapes, materials, components, arrangement positions and connection forms of components, steps, order of steps, and the like shown in the following embodiments are examples and are not intended to limit the present invention. Further, among the constituent elements in the following embodiments, constituent elements not described in independent claims will be described as optional constituent elements.

Each figure is a schematic diagram and is not necessarily strictly illustrated. Moreover, in each figure, the same code|symbol is attached|subjected with respect to substantially the same structure, and the overlapping description may be abbreviate|omitted or simplified.

(Embodiment)
[work space]
First, a work space 4 in which the environment control system 100 according to the embodiment is used will be described. FIG. 1 is a block diagram showing the functional configuration of an environment control system 100 according to an embodiment. FIG. 2 is a schematic diagram showing an example of the work space 4 in which the environment control system 100 according to the embodiment is used.

The environment control system 100 according to the embodiment is used in a work space 4 such as an office where a user U1 works, and is a system for controlling the environment in such a work space 4 . In the embodiment, it is assumed that the environment control system 100 is used in an ABW (Activity Based Working) type office 3 where the work place can be freely selected according to the work one wants to do. Here, "ABW" refers to a working style in which the user U1 (employee or the like) selects a working place, desk, or the like according to the work content. In an ABW type office, user U1 may select a relatively quiet place when performing work that requires concentration, and may select a relaxing place such as a sofa when having a meeting. It is possible.

The environment control system 100 is not limited to the ABW type office, and may be used in a free address type office. , may be used in other spaces. For example, the environmental control system 100 may be used in educational facilities such as elementary schools, junior high schools, high schools, or universities, may be used in public facilities such as public halls or libraries, or may be used in stores or commercial facilities. may be

Further, the work space 4 in which the environment control system 100 is used is not limited to the space in which the user U1 can freely select the work place as described above, and is used in an office where the work place of the user U1 is fixed, for example. good too.

In the example shown in FIG. 2, the office 3 has a plurality of (here, six) work spaces 4 . Furniture 5 for one or more users U1 to work is installed in each work space 4 .
In the example shown in FIG. 2, the work performed by the user U1 is work using the information terminal 8 owned by the user U1, such as a laptop personal computer. The information terminal 8 may be a desktop personal computer, a smart phone, a tablet terminal, or the like. Moreover, in the example shown in FIG. 2, the furniture 5 includes a desk 51 and one or more chairs 52 .

In the example shown in FIG. 2, the adjacent working spaces 4 are not partitioned, but may be partitioned, for example, by walls or fixtures. As an example, the office 3 may consist of a plurality of rooms partitioned by walls, fixtures, or the like. In this case, the work space 4 may be each of a plurality of rooms or a part of the plurality of rooms.

A lighting load 6 is installed in the work space 4 . In an embodiment, lighting load 6 is installed in the ceiling of workspace 4 . Of course, the lighting load 6 may be installed not only on the ceiling of the work space 4, but also on a wall, floor, or furniture such as a desk. The lighting load 6 provides an illumination environment to the work space 4 by illuminating the work space 4 with illumination light. The parameters of the lighting environment may include, for example, the illuminance of the lighting light, color temperature (light color), light distribution, or the like.

The lighting load 6 installed in the work space 4 has a first load 61 and a second load 62 . In the example shown in FIG. 2 , a plurality of (here, nine) first loads 61 are installed on the ceiling of the office 3 . In addition, in the example shown in FIG. 2, a plurality of (here, six) second loads 62 are installed on the ceiling of the office 3 . Here, the office 3 is evenly divided into six work spaces 4, and each work space 4 includes a plurality of (here, two) first loads 61, one second load 62, is installed. Note that the first load 61 also includes a lighting load shared by a plurality of work spaces 4 . As an example, the first load 61 located in the center of the ceiling of the office 3 shown in FIG.

The first load 61 is a base light as ambient lighting that uniformly illuminates a target space, and includes a light source having solid-state light-emitting elements such as LEDs (Light Emitting Diodes). That is, the first load 61 has diffusion type light distribution characteristics. Note that the solid-state light-emitting device used for the first load 61 is not limited to an LED, and may be an organic EL (Electro-Luminescence) device or the like. Moreover, the first load 61 is not limited to a light source having a solid state light emitting device, and may be a fluorescent lamp or the like.

The second load 62 is a spotlight as a task light and has a light source having a solid light emitting device such as an LED. That is, the second load 62 has condensing light distribution characteristics. Note that the second load 62 is not limited to a spotlight, and may be a standlight, a downlight, a universal downlight, or the like. Further, the solid-state light-emitting element used for the second load 62 is not limited to LED, and may be an organic EL element or the like. Furthermore, the second load 62 is not limited to a light source having solid state light emitting devices, and may be a fluorescent lamp or the like.

Here, the irradiation area of the light of the lighting load 6 in the working space 4 will be described. The first load 61 is installed so as to irradiate the entire working space 4 with light. On the other hand, the second load 62 is installed so as to irradiate the upper surface of the desk 51 that is part of the work space 4 with light. Here, the upper surface of the desk 51 is an area where the user U1 works using the information terminal 8, for example. In other words, the upper surface of the desk 51 is the work area 41 of the user U1. That is, the second load 62 is provided in the work space 4 so as to irradiate the work area 41 of the user U1 in the work space 4 with light.

By the way, in the embodiment, in two adjacent spaces, the lighting load 6 installed in one space may not strictly affect only the lighting environment of one space, and may affect the other space. is allowed to give In other words, in an arbitrary work space 4, the lighting environment provided by the lighting load 6 corresponding to the work space 4 should be the main lighting environment. Even if there is an influence from 6, it is sufficient if the illumination environment of the work space 4 is hardly affected. This is because the influence of the lighting load 6 corresponding to a space different from the working space 4 on the user U1 existing in the working space 4 at this time is considered to be limited.

A sound device 7 is installed in the work space 4 . In the embodiment, the acoustic device 7 is installed on the ceiling of the work space 4 . Of course, the acoustic device 7 may be installed not only on the ceiling of the working space 4, but also on a wall, floor, or furniture such as a desk. In the example shown in FIG. 2, a plurality of (here, eight) acoustic devices 7 are installed on the ceiling of the office 3, and a plurality of (here, two) acoustic devices 7 are installed in each work space 4. is set up. It should be noted that some of the acoustic devices 7 are used in a plurality of work spaces 4 as well. As an example, the two acoustic devices 7 positioned at the center back side of the office 3 shown in FIG.

The acoustic device 7 provides an acoustic environment to the target space by outputting sound to the target space. Parameters of the acoustic environment may include, by way of example, the content being played, or the volume. The audio device is, for example, an omnidirectional speaker, and reproduces content transmitted from the audio control unit 12 under the control of the audio control unit 12 . The acoustic device 7 may be a speaker having directivity such as a speaker using a parametric speaker, a speaker using ultrasonic waves, or a speaker having a horn-structured housing. When a speaker having directivity is used, it is possible to expect an effect that it is easy to reduce the ratio of part of the sound leaking to another space.

By the way, in the embodiment, in two adjacent spaces, the sound output from the acoustic device 7 installed in one space does not have to be output only to one space. It is allowed to leak into space. In other words, in an arbitrary work space 4, the sound output from the acoustic device 7 corresponding to the work space 4 should be the main sound, and a part of the sound from the space different from the work space 4 may be used. Even if it leaks, it should hardly affect the sound of the working space 4 .

[Environment control system]
The environment control system 100 includes a lighting controller 11, a sound controller 12, a storage 13, and a display device 2, as shown in FIG. In the embodiment, the environment control system 100 may include at least the lighting control section 11, and may not include the sound control section 12, the storage section 13, and the display device 2. If the environment control system 100 does not include the sound control unit 12, the sound device 7 may not be installed in each work space 4. FIG. Also, the components of the environment control system 100 excluding the display device 2 may be installed in the office 3 or may be installed in a remote location away from the office 3 .

The lighting control unit 11 can communicate with the lighting loads 6 installed in each work space 4 , and controls each lighting load 6 by transmitting a lighting control signal to each lighting load 6 . That is, the lighting control unit 11 controls the lighting load 6 for each work space 4 . In the embodiment, the lighting controller 11 controls both dimming and toning of each lighting load 6 . Communication between the lighting control unit 11 and each lighting load 6 may be wired communication or wireless communication, and the communication standard is not particularly limited.

In the embodiment, the lighting control unit 11 can also communicate with the display device 2, and by communicating with the display device 2, it is possible to receive a signal including the lighting control input received by the display device 2. . In this case, the lighting control unit 11 controls each lighting load 6 according to the received lighting control input. Communication between the lighting control unit 11 and the display device 2 may be wired communication or wireless communication, and the communication standard is not particularly limited.

The sound control unit 12 is capable of communicating with the sound devices 7 installed in each work space 4, and transmits a sound control signal (including content to be played back) to each sound device 7. to play the content. That is, the sound control unit 12 controls the sound device 7 for each work space 4 . Communication between the sound control unit 12 and each sound device 7 may be wired communication or wireless communication, and the communication standard is not particularly limited.

Also, the content may be stored in the sound control unit 12 , may be stored in each sound device 7 , or may be stored in the storage unit 13 . The content is stored in an electronic data medium such as WAV format or mp3 format, but is not limited to this, and may be stored in any known storage method such as a compact disc (CD).

In the embodiment, the sound control unit 12 can also communicate with the display device 2, and by communicating with the display device 2, can receive a signal including the sound control input received by the display device 2. . In this case, the audio controller 12 controls each audio device 7 according to the received audio control input. Communication between the sound control unit 12 and the display device 2 may be wired communication or wireless communication, and the communication standard is not particularly limited.

By controlling the lighting environment and the acoustic environment of each work space 4 in this way, it is possible to make the environment different for each work space 4, and a so-called zoning effect can be expected.

Here, the zoning effect means, for example, a sense of division of space in terms of perception, and may include an effect that the user U1 can easily recognize that a plurality of spaces are different from each other in terms of appearance. Also, the zoning effect may include an effect of facilitating changes in user U1's behavior or flow line as intended by zoning, with recognition by user U1. For example, it is assumed that an arbitrary space is zoned with the intention of making it a space where user U1 can easily perform work that requires concentration. In this case, it can be said that the zoning effect has been exhibited if the user U1 who has seen the space uses the space mainly for the purpose of performing work that requires concentration.

In addition, the zoning effect is an effect in which the user U1's subjective effect/feeling, or physiological/psychological/biological effect tends to correspond to the purpose of the zoning when the user U1 actually uses the zoned space. can include For example, it is assumed that an arbitrary space is zoned with the intention of becoming a space that facilitates work that requires concentration, and user U1 uses the space. In this case, if the user U1 feels that he/she could concentrate by using the space, or if an index/data suggesting that the user U1 was concentrating as a psychological/biological effect is obtained, zoning is performed. It can be said that it was effective.

By controlling the lighting load 6 and the acoustic device 7 installed in the work space 4 as described above, the work space 4 can be zoned without using fixtures or furniture. For this reason, it is easy to enhance the design of the work space 4, and so-called active zoning, in which the layout of the office 3 is instantaneously changed by controlling the lighting load 6 and the sound device 7, becomes possible. As an example, changing the control parameter for the color temperature (light color) of the light emitted by the lighting load 6 in the work space 4 is completed in several seconds, for example. In this case, as a result, it is possible to change the layout of the office 3 in a few seconds. Here, if the layout of the office 3 is to be changed by manually moving fixtures or furniture, it takes 60 minutes, several hours, one day, or even several days. From this point of view, the zoning by controlling the lighting load 6 described above can have a very remarkable effect.

Active zoning makes it possible to change the layout of the office 3 in a short cycle such as hourly, daily, or monthly, compared to conventional office layout changes by changing the arrangement of fixtures or furniture. is.

In the embodiment, in each work space 4, the lighting control unit 11 controls the maximum illuminance of the work space 4 when the first load 61 is turned on with respect to the maximum illuminance of the work space 4 when the second load 62 is turned on. The illumination load 6 is controlled so that the illumination intensity ratio (hereinafter also referred to as "illuminance ratio between the first load 61 and the second load 62") is 0.4 or less. The “maximum illuminance” referred to here is represented by, for example, the illuminance measured at the center of the work area 41 in the work space 4 . The work area 41 is an area where the user U1 works. In an embodiment, work area 41 is the top surface of desk 51 . The illuminance is measured by an illuminance sensor installed in the work space 4, for example.

As an example, it is assumed that the lighting control unit 11 controls the second load 62 so that the maximum illuminance of the work space 4 is 750 lx when only the second load 62 is lit. In this case, the lighting control unit 11 sets the maximum illuminance of the work space 4 to 300 lx or less when only the first load 61 is lit, that is, the illuminance ratio between the first load 61 and the second load 62 is 0. . The second load 62 is also controlled so as to be 4 or less.

Here, it is assumed that the maximum illuminance of the work space 4 is 750 lx when the lighting control unit 11 controls only the first load 61 so that the dimming rate is 100%. In this case, in the embodiment, the lighting control unit 11 is set so that the maximum illuminance of the work space 4 is 300 lx or less when only the first load 61 is lit, that is, the light control rate is 40% or less. , the first load 61 is controlled.

In the embodiment, in each work space 4 , the sound control unit 12 controls the sound device 7 so as to reproduce at least one of natural environmental sound and white noise in the work space 4 . The sound control unit 12 controls the sound device 7 in each work space 4 so as to reproduce natural environmental sounds and/or white noise at a volume that can be perceived by the user U1 staying in the work space 4 . The natural environmental sound is preferably a sound that can be expected to have a zoning effect similar to that expected from illumination light. This is because, by doing so, it becomes easier to produce an effect that is more than a simple addition of the zoning effect that can be expected from the illumination light and the zoning effect that can be expected from the sound, resulting in an unexpected favorable synergistic effect. This is because it becomes easier to

Natural environmental sounds are sounds other than voices and music emitted by everyday environments in the natural world, such as the sound of wind, the sound of waves, the sound of thunder, the sounds of animals, and the sounds of insects. In embodiments, the natural ambient sound is preferably the sound of running water. White noise is sound having a certain level or more of sound pressure in a wide frequency range. Both the natural environmental sound and the white noise are sounds that tend to increase the parasympathetic nerves of the user U1.

In the embodiment, the sound control unit 12 may control the sound device 7 so as to reproduce BGM in each work space 4, or may control the sound device 7 so as not to reproduce sound. good. In this case, the zoning effect that can be expected from sound cannot be exhibited, but the zoning effect that can be expected from illumination light can be exhibited. That is, in the embodiment, it is sufficient for the lighting control unit 11 to control the lighting load 6 so that the illuminance ratio between the first load 61 and the second load 62 is 0.4 or less in each work space 4. has a zoning effect.

The storage unit 13 is a storage device that stores information (computer programs, etc.) necessary for each of the lighting control unit 11 and the sound control unit 12 to perform control. The storage unit 13 is implemented by, for example, an HDD (Hard Disk Drive), but may be implemented by a semiconductor memory, and known electronic information storage means can be used without particular limitation.

The lighting control unit 11, the sound control unit 12, and the storage unit 13 may all be mounted on the same substrate or housed in the same housing. The substrate or housing may be attached to the ceiling, walls, floor, or fixtures/furniture such as desks of the office 3 . In this case, the environment control system 100 excluding the display device 2 is miniaturized, which is preferable.

The display device 2 has a display section 21 that displays control parameters of the lighting control section 11 and the sound control section 12 . The display device 2 further includes an input reception unit 22 that receives input for setting control parameters. In the embodiment, the display section 21 and the input reception section 22 are realized by a touch panel display. The control parameters of the lighting control unit 11 can include, for example, the illuminance of the work space 4, the color temperature of the light emitted by the lighting load 6, the light distribution, or the like. Also, the control parameters of the sound control unit 12 may include, for example, the content to be reproduced, the volume of the sound device 7, or the like.

In the embodiment, the display device 2 is a dedicated controller for the environmental control system 100 and installed in the office 3 . Further, in the embodiment, the display device 2 is authenticated by a person (hereinafter referred to as an “authorized person”) who has authority to execute control by the environment control system 100, such as the user U1 or an administrator of the environment control system 100. It is configured so that it can be operated via

Note that the display device 2 may be realized by an information terminal possessed by an authorized person. An information terminal may include, for example, a smart phone, a tablet terminal, or a personal computer. In this case, the authorized person can use the information terminal as the display device 2 by installing an application for executing the function of the display device 2 on the information terminal and activating the application on the information terminal. is.

In the embodiment, if the environment control system 100 does not include the sound control section 12 , the display section 21 may not have the function of displaying the control parameters of the sound control section 12 . In this case, the input reception unit 22 does not have to have the function of receiving input for setting the control parameters of the sound control unit 12 .

FIG. 3 is a schematic diagram showing an example of the display device 2 of the environmental control system 100 according to the embodiment. In the example shown in FIG. 3, the display unit 21 displays an image 211 representing the arrangement of each lighting load 6 and each sound device 7 in the office 3, a first load adjustment bar 212, and a second load adjustment bar 213. is displayed. A plurality of work spaces 4 are virtually displayed in the image 211 . By touching the image 211 with a finger, the authorized person can make an input to select one of the work spaces 4 .

A knob 212a representing the current dimming rate of the first load 61 in the work space 4 selected in the image 211 is displayed on the first load adjustment bar 212 . The authorized person can make an input to adjust the dimming rate of the first load 61 in the work space 4 by touching the knob 212a of the first load adjusting bar 212 and sliding it up and down. The input is transmitted from the display device 2 to the lighting controller 11 as a lighting control input.

The second load adjustment bar 213 displays a knob 213a representing the current dimming rate of the second load 62 in the work space 4 selected in the image 211. FIG. The authorized person can perform input for adjusting the dimming rate of the second load 62 in the working space 4 by touching the knob 213a of the second load adjusting bar 213 and sliding it up and down. The input is transmitted from the display device 2 to the lighting controller 11 as a lighting control input.

Here, the authorized person can change the lighting environment of the work space 4 using the display device 2, but it is preferable that the changeable range is limited. This is because if the lighting environment provided to the work space 4 by the environment control system 100 is changed beyond the allowable range, the expected effect on the user U1 cannot be exhibited.

Therefore, in the embodiment, the display unit 21 displays the range of control parameters that can be received by the input receiving unit 22 . In the example shown in FIG. 3, the first load adjustment bar 212 displays a shaded adjustable area 212b as the adjustable range of the dimming rate of the first load 61 as the control parameter. In the example shown in FIG. 3, the second load adjustment bar 213 displays a shaded adjustable area 213b as a range in which the dimming rate of the second load 62 as a control parameter can be adjusted. Therefore, since it is easy for the authorized person to visually grasp the range in which the environment of the work space 4 can be changed, there is an advantage that the environment of the work space 4 is less likely to be changed beyond the allowable range.

In this embodiment, even if an authorized person attempts to slide the knob 212a out of the adjustable region 212b on the first load adjustment bar 212, the knob 212a cannot be slid out of the adjustable region 212b. The same applies to the second load adjustment bar 213 as well. This aspect has the advantage that it is possible to prevent the environment of the work space 4 from being changed beyond the permissible range.

Further, in the embodiment, for example, when the authorized person slides the knob 212a of the first load adjustment bar 212, the display unit 21 indicates that the illuminance ratio between the first load 61 and the second load 62 is within a predetermined range (here 0.4 or less), the knob 213a of the second load adjusting bar 213 may be slid in tandem. That is, when the input reception unit 22 receives the setting input of the control parameter of one of the first load 61 and the second load 62, the display unit 21 interlocks with the control parameter of one and displays the control parameter of the other. may In this case, if the authorized person adjusts the dimming rate (illuminance) of either one of the first load 61 and the second load 62, the other is automatically adjusted, so the convenience of the authorized person is improved. .

[inspection]
Here, the inventor of the present application conducted the following experiments to verify the effects of the lighting environment and the acoustic environment on the user U1. That is, a plurality of subjects (here, several tens of people) are gathered in the experiment space (here, one office room), and each subject is given a predetermined task (here, personal work) while changing the conditions of the experiment space 1 minute of typing on a computer). Then, a questionnaire was given to each subject about their impressions of the experimental space for each condition of the experimental space.

Multiple desks are installed in the experimental space. Then, each subject performed typing work using a personal computer (here, a laptop personal computer) at one of the desks. That is, the desk top surface corresponds to the work area 41 . The dimensions of the desk used in the case are, for example, 500 to 1000 mm in depth and 1000 to 2000 mm in width. In addition, a plurality of base lights (corresponding to the first load 61) are installed on the ceiling of the experimental space to uniformly illuminate the entire experimental space. Further, each desk is provided with a spotlight (corresponding to the second load 62) for locally illuminating the corresponding desk.

In addition, although an acoustic device was installed in the experimental space, sound was not reproduced from the acoustic device under all conditions of the experimental space unless otherwise specified. Even if no sound is reproduced from the acoustic device, noise such as typing sounds of other subjects is generated in the experimental space.

In the questionnaire for each subject, responses were obtained regarding impressions of the experimental space for each of the four items. Specifically, for each of the four items, the impression of the experimental space was (a) very good, (b) fairly good, (c) somewhat good, (d) neither, (e). Each subject gave a response as to which of the following 7 grades of evaluation was somewhat bad, (f) fairly bad, and (g) very bad.

Among the four items, the first item is whether or not the experiment target space is easy to concentrate, and the second item is whether or not the experiment target space is easy to feel a sense of immersion. The third item is whether or not the characters on the display of the personal computer used for typing work are easily visible, and the fourth item is whether or not the noise in the space to be tested is not bothersome. The first to fourth items are all factors related to the degree of concentration when user U1 works in work space 4. FIG.

Then, the inventors of the present application quantitatively evaluated the conditions of the experimental space based on the results of questionnaires for each subject. Specifically, for each of the four items, the 7-level evaluation obtained in the questionnaire is treated as an equal interval scale, and the above (g), (f), ..., (a) evaluations are each "-3". , “−2”, . . . , “+3”. Then, based on this scalar value, a score was obtained for each spatial condition of the experimental object.

For example, it is assumed that the score for the first item is the average of the scalar values for the first item for each subject. In this case, if the score is the maximum value of "+3", it means that all subjects have the impression that they are "extremely easy to concentrate" on the experimental space. On the other hand, if the score is the minimum value of "-3", it means that all subjects have the impression that it is "extremely difficult to concentrate" in the experimental space.

The results of the above experiments are listed below. FIG. 4 is a diagram showing the results of the first experiment. In FIG. 4, the vertical axis represents the score for the experimental space, and the horizontal axis represents the conditions of the experimental space. In the first experiment, the score is the sum of scalar values for two items, the first item and the second item. Therefore, in the first experiment, the maximum score is "+6" and the minimum score is "-6". In the first experiment, the condition of the experimental space is the environment of the experimental space. Specifically, FIG. 4 shows the results of obtaining scores in each of the first environment En1 and the second environment En2. In the first environment En1, only the base light is turned on so that the average illuminance of the space to be tested is 750 lx, and the sound of running water is reproduced from the sound device. In the second environment En2, the base light has a maximum illuminance of 300 lx, the spotlight has a maximum illuminance of 1500 lx, and the sound of running water is reproduced from the sound device. That is, in the second environment En2, the base light and the spotlight are controlled so that the illuminance ratio between the baselight (corresponding to the first load 61) and the spotlight (corresponding to the second load 62) is 0.4. ing.

A whisker A1 shown in FIG. 4 represents the range of scores of all subjects. Box A2 shown in FIG. 4 represents the range of standard deviation of the scores of all subjects. A line segment A3 shown in FIG. 4 represents the representative value (here, the median value) of the scores of all subjects. As shown in FIG. 4, the representative value of the score is "0" in the first environment En1, while the representative value of the score is "+4" in the second environment En2. That is, in the latter case, the average value of the scalar values of the first item and the second item is "+2" or more. For this reason, each subject was placed in an environment in which the illuminance ratio between the base light and the spotlight was adjusted (here, the illuminance ratio was adjusted to 0.4) compared to an environment in which only the base light was lit. I have the impression that it is easier to concentrate.

According to the results of the first experiment, the inventor of the present application has found that the lighting control unit 11 controls the lighting load 6 so that the illuminance ratio between the first load 61 and the second load 62 is 0.4. It has been found that the user U1 who works in the space 4 can expect an effect of making it easier to concentrate.

FIG. 5 is a diagram showing the results of the second experiment. In FIG. 5, the vertical axis represents the score for the experimental space, and the horizontal axis represents the conditions of the experimental space. In the second experiment, the score is the sum of scalar values for two items, the first item and the second item. Therefore, in the second experiment, the maximum score is "+6" and the minimum score is "-6". In the second experiment, the condition of the experimental space is the illuminance ratio between the base light and the spotlight in the experimental space. In other words, FIG. 5 shows the results obtained by changing the illuminance ratio in the experimental space and obtaining the score for each illuminance ratio.

A straight line B1 shown in FIG. 5 represents the correlation between the score and the illuminance ratio approximately obtained as a linear function. As shown in FIG. 5, there is a negative correlation between the score and the illuminance ratio. In other words, FIG. 5 shows the result that the greater the illuminance ratio, the harder it is for each subject to concentrate. Then, as shown in FIG. 5, the score is "+1" or more in the range where the illuminance ratio is 0.4 or less. For this reason, each subject has the impression that it is easy to concentrate in the range where the illuminance ratio in the experimental space is 0.4 or less. Furthermore, as shown in FIG. 5, in the range where the illuminance ratio is 0.25 or less, the score is "+2" or more, and the average value of the scalar values of the first item and the second item is "+1 ” and more. For this reason, each subject has the impression that it is easier to concentrate in the range where the illuminance ratio in the experimental space is 0.25 or less.

According to the results of the second experiment, the inventor of the present application has found that the lighting control unit 11 controls the lighting load 6 so that the illuminance ratio between the first load 61 and the second load 62 is 0.4 or less. It was found that the user U1 who works in the work space 4 can expect to be able to concentrate more easily. Further, the inventor of the present application has found that the lighting control unit 11 controls the lighting load 6 so that the illuminance ratio between the first load 61 and the second load 62 is 0.25 or less, so that the working space 4 can be It has been found that the effect that the user U1 who performs the task can concentrate more easily can be expected.

FIG. 6 is a diagram showing the results of the third experiment. In FIG. 6, the vertical axis represents the score for the experimental space, and the horizontal axis represents the conditions of the experimental space. In the third experiment, the score is the sum of scalar values for two items, the first item and the second item. Therefore, in the third experiment, the maximum score is "+6" and the minimum score is "-6". In the third experiment, the condition of the experimental space is the maximum illuminance of the spotlight in the experimental space. In other words, FIG. 6 shows the results obtained by changing the maximum illuminance of the spotlight in the experimental space and calculating the score for each maximum illuminance.

A straight line C1 shown in FIG. 6 represents the correlation between the score and the maximum illuminance approximately obtained as a linear function. As shown in FIG. 6, there is a positive correlation between the score and maximum illuminance. In other words, FIG. 6 shows the result that the greater the maximum illuminance of the spotlight, the easier it is for each subject to concentrate. Then, as shown in FIG. 6, the score is "+1" or more in the range where the maximum illuminance of the spotlight is 750 lx or more. For this reason, each subject has the impression that it is easy to concentrate in the range where the maximum illuminance of the spotlight is 750 lx or more. Furthermore, as shown in FIG. 6, in the range where the maximum illuminance of the spotlight is 1000 lx or more, the score is "+2" or more, and the average value of the scalar values of the first and second items is " +1” or more. Therefore, each subject has the impression that it is easier to concentrate in the range where the maximum illuminance of the spotlight is 1000 lx or more.

According to the results of the third experiment, the inventor of the present application found that the lighting control unit 11 controls the lighting load 6 so that the maximum illuminance of the work space 4 is 750 lx or more when the second load 62 is turned on. , an effect that the user U1 who works in the work space 4 can easily concentrate has been obtained. In addition, the inventor of the present application controls the lighting load 6 so that the maximum illuminance of the work space 4 when the second load 62 is turned on is 1000 lx or more. The knowledge that the user U1 who performs work can expect the effect that it becomes easy to further concentrate was obtained.

FIG. 7 shows the results of the fourth experiment. In FIG. 7, the vertical axis represents the score for the experimental space, and the horizontal axis represents the conditions of the experimental space. In the fourth experiment, the score is the sum of scalar values for two items, the first item and the second item. Therefore, in the fourth experiment, the maximum score is "+6" and the minimum score is "-6". In the fourth experiment, the condition of the experimental space is the maximum illuminance of the base light in the experimental space. In other words, FIG. 7 shows the results obtained by changing the maximum illuminance of the base light in the experimental space and obtaining the score for each maximum illuminance.

A straight line D1 shown in FIG. 7 represents the correlation between the score approximately obtained as a linear function and the maximum illuminance. As shown in FIG. 7, there is a negative correlation between the score and maximum illuminance. In other words, FIG. 7 shows the result that the smaller the maximum illuminance of the base light, the easier it is for each subject to concentrate. Then, as shown in FIG. 7, the score is "+1" or more in the range where the maximum illuminance of the base light is 300 lx or less. Therefore, each subject has the impression that it is easy to concentrate in the range where the maximum illuminance of the base light is 300 lx or less. Furthermore, as shown in FIG. 7, in the range where the maximum illuminance of the base light is 200 lx or less, the score is "+2" or more, and the average value of the scalar values of the first and second items is " +1” or more. Therefore, each subject has the impression that it is easier to concentrate when the maximum illuminance of the base light is 200 lx or less.

According to the results of the fourth experiment, the inventor of the present application found that the lighting control unit 11 controls the lighting load 6 so that the maximum illuminance of the work space 4 is 300 lx or less when the first load 61 is turned on. , an effect that the user U1 who works in the work space 4 can easily concentrate has been obtained. In addition, the inventor of the present application controls the lighting load 6 so that the maximum illuminance of the work space 4 when the first load 61 is turned on is 200 lx or less. The knowledge that the user U1 who performs work can expect the effect that it becomes easy to further concentrate was obtained.

FIG. 8 is a diagram showing the results of the fifth experiment. In FIG. 8, the vertical axis represents the score for the experimental space, and the horizontal axis represents the conditions of the experimental space. In the fifth experiment, the score is the scalar value for the third item for each subject. Therefore, in the fifth experiment, the maximum score is "+3" and the minimum score is "-3". In the fifth experiment, the condition of the experimental space is the color temperature (correlated color temperature) of the illumination light emitted by each of the base light and the spotlight in the experimental space. In other words, FIG. 8 shows the results obtained by changing the color temperature of the illumination light in the experimental space and obtaining the score for each color temperature. In FIG. 8, the numerical values on the horizontal axis are represented by mired values, which are units of inverse color temperature.

A straight line E1 shown in FIG. 8 represents the correlation between the score and the mired value approximately obtained as a linear function. As shown in FIG. 8, there is a negative correlation between the score and the mired value. In other words, FIG. 8 shows the result that the lower the color temperature, the more difficult it is to see the characters on the display of the personal computer used for typing work. Then, as shown in FIG. 8, in the range where the mired value is about 250 or less (in other words, the range where the color temperature of the illumination light in the experimental space is about 3500 K or more), the score is "0" or more. there is For this reason, each subject had the impression that characters on the display of the personal computer used for typing work were easy to see when the color temperature of the illumination light in the experimental space was 3500 K or higher.

According to the results of the fifth experiment, the inventor of the present application has found that the lighting control unit 11 controls the lighting load 6 so that the color temperature of the light emitted by the lighting load 6 is 3500 K or higher, so that work can be performed in the work space 4. It was found that the effect of improving the workability of the user U1 who performs this can be expected.

FIG. 9 is a diagram showing the results of the sixth experiment. In FIG. 9, the vertical axis represents the score for the experimental space, and the horizontal axis represents the conditions of the experimental space. In the sixth experiment, the score is the sum of the scalar values for the fourth item for each subject. Therefore, in the sixth experiment, the maximum score is "+3" and the minimum score is "-3". In the sixth experiment, the condition of the experimental space is the environment of the experimental space. Specifically, FIG. 6 shows the results of obtaining scores in each of the second environment En2, the third environment En3, and the fourth environment En4. In the third environment En3, only the base light is turned on so that the average illuminance of the experimental space is 750 lx, and no sound is reproduced from the sound device. In the fourth environment En4, the base light has a maximum illuminance of 300 lx, the spotlight has a maximum illuminance of 1500 lx, and white noise is reproduced from the acoustic device.

A whisker F1 shown in FIG. 9 represents the range of scores of all subjects. A box F2 shown in FIG. 9 represents the standard deviation range of the scores of all subjects. A line segment F3 shown in FIG. 9 represents the representative value (here, the median value) of the scores of all subjects. As shown in FIG. 9, the representative score value is "-1.5" in the third environment En3, while the representative score value is "0" or more in the fourth environment En4. Furthermore, in the second environment En2, the representative value of the score is "+1" or more. For this reason, each subject had the impression that the environment in which white noise or the sound of running water was reproduced in the experimental space was less likely to interfere with their work than the environment in which no sound was reproduced in the experimental space. is holding

According to the results of the sixth experiment, the inventor of the present application found that the acoustic control unit 12 controls the acoustic device 7 so as to reproduce at least one of natural environmental sounds and white noise in the work space 4. It was found that an effect that noise hardly interferes with the work of the user U1 can be expected. Further, the inventor of the present application has found that the sound control unit 12 controls the sound device 7 so as to reproduce the sound of running water in the work space 4, so that the noise in the work space 4 is less likely to interfere with the work of the user U1. The knowledge that the effect can be expected was obtained.

[motion]
An example of the operation of the environment control system 100 according to the embodiment will be described below. FIG. 10 is a flow chart showing an operation example of the environmental control system 100 according to the embodiment. Below, it is assumed that the lighting control unit 11 and the sound control unit 12 do not control the lighting load 6 and the sound device 7 installed in each work space 4 before receiving the lighting control input and the sound control input, respectively. explain.

First, the lighting control unit 11 and the sound control unit 12 wait until receiving a lighting control input and a sound control input, respectively (S1: No). Then, when the lighting control input and the sound control input are received (S1: Yes), the lighting control unit 11 and the sound control unit 12 control the lighting installed in each work space 4 according to the received lighting control input and sound control input, respectively. The load 6 and the acoustic device 7 are controlled (S2). Part of the process S2 and processes S4 and S5, which will be described later, correspond to the lighting control step ST1 of the environment control method. Thereby, the lighting environment and the acoustic environment of each work space 4 are controlled based on the lighting control input and the acoustic control input.

The lighting control input is, for example, a lighting schedule from working hours to closing hours on any given day. Also, the audio control input is, for example, an audio schedule from working hours to closing hours on an arbitrary day. In this case, the lighting environment and sound environment of each work space 4 are controlled according to the lighting schedule and sound schedule, respectively.

Thereafter, if there is no change in the received lighting control input (S3: No), the lighting control unit 11 maintains the above control (S4). On the other hand, if there is a change in the received lighting control input (S3: Yes), the lighting control unit 11 controls to change the lighting environment of each work space 4 based on the changed lighting control input (S5). . Thereby, the lighting environment of each work space 4 is updated.

Similarly, when there is no change in the received sound control input (S6: No), the sound control unit 12 maintains the above control (S7). On the other hand, if there is a change in the received acoustic control input (S6: Yes), the acoustic control unit 12 controls to change the acoustic environment of each work space 4 based on the changed acoustic control input (S8). . Thereby, the acoustic environment of each work space 4 is updated.

A change in lighting control input may occur, for example, when an authorized person uses the display device 2 to adjust the lighting environment of each workspace 4 . A change in the acoustic control input may occur, for example, when an authorized person uses the display device 2 to adjust the acoustic environment of each workspace 4 . Thereafter, the series of processes described above is repeated until the lighting schedule and the sound schedule are completed (S9: Yes).

[advantage]
Advantages of the environmental control system 100 according to the embodiment will be described below. First, the point of view of the inventor of the present application will be described. In recent years, users' work styles are diversifying, and for example, ABW type offices 3 and the like are on the rise. "ABW" is, as already mentioned, a work style in which the user U1 selects a place to work, a desk, or the like according to the content of the work. Specifically, "ABW" is a space or environment suitable for the activities of user U1, such as solo work where one person concentrates on work, group work where multiple people come up with ideas, etc. This work style aims to improve the productivity of the user U1 by preparing.

By the way, it is possible to provide a space where the user U1 can easily concentrate on work by preparing a private room, a personal booth, or the like. However, in an office 3 having an open space where multiple users U1 stay in the same space, it is difficult to provide an environment in which each user U1 can easily concentrate on work. Therefore, the inventors of the present application have studied a system in which the user U1 can easily concentrate on work in the office 3. FIG.

Based on the results of the above [verification], in the environment control system 100 according to the embodiment, the lighting control unit 11 controls the illumination intensity ratio between the first load 61 and the second load 62 to be 0.4 or less. Control the lighting load 6 . Accordingly, the environment control system 100 according to the embodiment has the advantage of being able to provide a space in which the user U1 can relatively easily concentrate. Specifically, in the environment control system 100 according to the embodiment, even in the office 3 having an open space where a plurality of users U1 stay in the same space, the first load 61 is applied to each work space 4 where each user U1 stays. By controlling the lighting load 6 so that the illuminance ratio between the lighting load 6 and the second load 62 is 0.4 or less, it is possible to provide an environment in which each user U1 can easily concentrate on work.

(Modification)
Although the embodiments have been described above, the present invention is not limited to the above embodiments. Modifications of the embodiment are listed below. Modifications described below may be combined as appropriate.

In the embodiment, in each work space 4, the lighting control unit 11 and the sound control unit 12 may control the lighting load 6 and the sound device 7 during the day, and control the lighting load 6 and the sound device 7 at night. It may control the lighting load 6 and the sound system 7 both during the day and at night. By controlling the lighting load 6 in the daytime as in the above embodiment, only the lighting load 6 is controlled so that the color temperature (correlated color temperature) becomes relatively high in consideration of the circadian rhythm in the daytime. There is an advantage that it is easy to improve both workability and comfort compared to the case where

In the embodiment, in each work space 4, the sound control unit 12 preferably controls the sound device 7 so that the noise level of the work space 4 is 40 dB or more and less than 60 dB. For example, if the sound device 7 is controlled so that the noise level in the work space 4 is 60 dB or more, the user U1 will be concerned about the sound reproduced from the sound device 7, and there is a high possibility that it will interfere with the work. On the other hand, this aspect has an advantage that the sound reproduced from the audio device 7 is less likely to interfere with the work of the user U1.

In the embodiment, when there are a plurality of work spaces 4, the lighting control unit 11 and the sound control unit 12 are assigned to each of the work spaces 4 so that the environments of the work spaces 4 are different from each other. The lighting load 6 and the sound system 7 may also be controlled. As a result, it is possible to make the environment different for each work space 4, and different zoning effects for each work space 4 and the aforementioned active zoning effect can be expected.

In the above case, the lighting control unit 11 controls the lighting load 6 so that the color temperature of the light emitted by the lighting load 6 is 4000 K or less in one of the plurality of working spaces 4 . Also, the sound control unit 12 may control the sound device 7 to reproduce music classified as jazz or bossa nova in the work space 4 .

As a result, compared to the case where only the illumination light from the illumination load 6 is provided to the work space 4, it is possible to provide a space in which a further relaxing effect can be expected. Instead of music classified as jazz or bossa nova, for example, other music in which the parasympathetic nerves of the user U1 tend to be dominant over the sympathetic nerves may be used.

Furthermore, in the above case, in any one of the plurality of workspaces 4, the illumination control unit 11 causes the illuminance in the center of the workspace 41 in the workspace 4 to be higher than the illuminance in the other portions. and the sound control unit 12 may control the sound device 7 to reproduce white noise or natural environmental sounds in the work space 4 .

As a result, compared to the case where only the illumination light from the illumination load 6 is provided to the work space 4, it is possible to provide a space in which the effect of further enhancing concentration can be expected.

In the embodiment, the environmental control system 100 controls the lighting loads 6 and the audio equipment 7 of each of the multiple work spaces 4, but is not limited to this. For example, climate control system 100 may control only lighting loads 6 and sound devices 7 in one workspace 4 .

In the embodiment, the environmental control system 100 targets one office 3, but is not limited to this. For example, the climate control system 100 may target multiple offices 3 and control the lighting loads 6 and sound devices 7 in each workspace 4 for each office 3 .

In an embodiment, the environment control system 100 does not have to include the display device 2 . In this case, the environment control system 100 may be set in advance at the start of use of the environment control system 100 so as to control the lighting load 6 and the sound device 7, for example.

Although the lighting load 6 is not included in the environmental control system 100 in the embodiment, the lighting load 6 may be included in the environmental control system 100 . Similarly, although the acoustic device 7 is not included in the environmental control system 100 in the embodiment, the acoustic device 7 may be included in the environmental control system 100 .

Although the office 3 has a plurality of workspaces 4 in the embodiment, it is not limited to this. For example, office 3 may have only one workspace 4 . In other words, the entire office 3 may be the work space 4 .

Also, for example, in the above embodiment, the environmental control system 100 is implemented by a plurality of devices, but may be implemented as a single device. For example, the environmental control system 100 may be implemented as a single device corresponding to a server device. When the environment control system 100 is realized by a plurality of devices, the constituent elements included in the environment control system 100 may be distributed to the plurality of devices in any way. For example, the components included in the server device in the above embodiments may be included in an information terminal installed in a closed space. That is, the present invention may be realized by cloud computing or by edge computing.

For example, the communication method between devices in the above embodiments is not particularly limited. Further, a relay device (not shown) may intervene in communication between devices.

Also, in the above embodiments, each component may be realized by executing a software program suitable for each component. Each component may be realized by reading and executing a software program recorded in a recording medium such as a hard disk or a semiconductor memory by a program execution unit such as a CPU or processor.

Also, each component may be realized by hardware. For example, each component may be a circuit (or integrated circuit). These circuits may form one circuit as a whole, or may be separate circuits. These circuits may be general-purpose circuits or dedicated circuits.

Also, general or specific aspects of the present invention may be implemented in a system, apparatus, method, integrated circuit, computer program or recording medium such as a computer-readable CD-ROM. Also, any combination of systems, devices, methods, integrated circuits, computer programs and recording media may be implemented.

For example, the present invention may be realized as a lighting control method executed by a computer such as the environment control system 100, or as a program for causing a computer to execute such a lighting control method. It may be realized as a computer-readable non-temporary recording medium in which such a program is recorded.

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 of each embodiment without departing from the spirit of the present invention. Also included in the present invention.

(summary)
As described above, the environment control system 100 includes the lighting control section 11 . The lighting control unit 11 controls the illuminance of the lighting load 6 provided in the work space 4 . The lighting load 6 has a first load 61 having diffused light distribution characteristics and a second load 62 having condensed light distribution characteristics. The lighting control unit 11 makes the illuminance ratio of the maximum illuminance of the work space 4 when the first load 61 is turned on to the maximum illuminance of the work space 4 when the second load 62 is turned on be 0.4 or less. The lighting load 6 is controlled as follows.

Such an environment control system 100 has the advantage of being able to provide a space in which the user U1 can relatively easily concentrate.

Further, for example, in the environment control system 100, the lighting control unit 11 controls the lighting load 6 so that the illuminance ratio is 0.25 or less.

According to such an environment control system 100, there is an advantage that it is possible to provide a space where the user U1 can concentrate more easily.

Further, for example, in the environment control system 100, the lighting control unit 11 controls the lighting load 6 so that the maximum illuminance of the work space 4 is 750 lx or more when the second load 62 is turned on.

According to such an environment control system 100, there is an advantage that it is possible to provide a space where the user U1 can concentrate more easily.

Further, for example, in the environment control system 100, the lighting control unit 11 controls the lighting load 6 so that the maximum illuminance of the work space 4 is 1000 lx or more when the second load 62 is turned on.

According to such an environment control system 100, there is an advantage that it is possible to provide a space where the user U1 can concentrate more easily.

Further, for example, in the environment control system 100, the lighting control unit 11 controls the lighting load 6 so that the maximum illuminance of the work space 4 is 300 lx or less when the first load 61 is turned on.

According to such an environment control system 100, there is an advantage that it is possible to provide a space where the user U1 can concentrate more easily.

Further, for example, in the environment control system 100, the lighting control unit 11 controls the lighting load 6 so that the maximum illuminance of the work space 4 is 200 lx or less when the first load 61 is turned on.

According to such an environment control system 100, there is an advantage that it is possible to provide a space where the user U1 can concentrate more easily.

Further, for example, in the environment control system 100, the lighting control unit 11 controls the lighting load 6 so that the color temperature of the light emitted by the lighting load 6 is 3500K or higher.

According to the environment control system 100 as described above, there is an advantage that it is easy to improve the workability of the user U1 who works in the work space 4 .

Further, for example, in the environment control system 100, the lighting control unit 11 controls the lighting load 6 during the daytime.

According to the environment control system 100 as described above, compared to the case where only the lighting load 6 is controlled so that the color temperature (correlated color temperature) becomes relatively high in consideration of the circadian rhythm during the daytime, workability and There is an advantage that it is easy to improve both comfortability.

Further, for example, the environment control system 100 further includes a sound control section 12 that controls the sound device 7 provided in the work space 4 . The sound control unit 12 controls the sound device 7 to reproduce at least one of natural environmental sounds and white noise in the work space 4 .

According to the environment control system 100 as described above, there is an advantage that the noise in the work space 4 hardly interferes with the work of the user U1.

Further, for example, according to the environment control system 100 , the sound control unit 12 controls the sound device 7 to reproduce the sound of running water in the work space 4 .

According to such an environment control system 100, there is an advantage that noise in the work space 4 is less likely to interfere with work.

Further, for example, in the environment control system 100, the sound control unit 12 controls the sound device 7 so that the noise level in the work space 4 is 40 dB or more and less than 60 dB.

According to the environment control system 100 as described above, there is an advantage that the sound reproduced from the audio device 7 is less likely to interfere with the work of the user U1.

Further, for example, the environment control system 100 further includes a display device 2 having a display section 21 that displays control parameters of the lighting control section 11 .

Such an environment control system 100 has the advantage that the authorized person can easily grasp the contents of the control visually.

Further, for example, in the environment control system 100, the display device 2 further includes an input reception unit 22 that receives input for setting control parameters. The display unit 21 displays the range of control parameters that can be received by the input receiving unit 22 .

According to the environment control system 100 as described above, it is easy for the authorized person to visually grasp the range in which the environment of the work space 4 can be changed. There is

Further, for example, in the environmental control system 100, when the input reception unit 22 receives the setting input of the control parameter of one of the first load 61 and the second load 62, the display unit 21 interlocks with the control parameter of the one. to display the other control parameter.

According to the environment control system 100 as described above, the authorized person has the first load 61 and the second load 6
Since it is sufficient to set only one of the two control parameters, there is an advantage that convenience for the authorized person is improved.

Further, for example, the environment control system 100 further includes a sound control section 12 that controls the sound device 7 provided in the work space 4 . The workspace 4 is plural. The lighting control unit 11 and the sound control unit 12 control the lighting load 6 and the sound device 7 assigned to each of the plurality of work spaces 4 so that the environments of the work spaces 4 are different from each other.

According to such an environment control system 100, by providing a different environment for each work space 4, there is an advantage that it becomes easier for the user U1 to select a desired environment, and convenience for the user U1 tends to be improved. .

Further, for example, in the environment control system 100 , the lighting control unit 11 controls the lighting load so that the color temperature of the light emitted by the lighting load 6 is 4000 K or less in one of the plurality of work spaces 4 . 6 is controlled. The sound control unit 12 controls the sound device 7 to reproduce music classified as jazz or bossa nova in the work space 4 .

Such an environment control system 100 has the advantage of being able to provide a space in which the user U1 can relax relatively easily.

Further, for example, in the environment control system 100 , in one of the plurality of work spaces 4 , the lighting control unit 11 controls the illuminance in the center of the work area 41 in the work space 4 to be the illuminance in the other portions. The lighting load 6 is controlled to be higher than . The sound control unit 12 controls the sound device 7 to reproduce white noise or natural environmental sound in the work space 4 .

Such an environment control system 100 has the advantage of being able to provide a space in which the user U1 can relatively easily concentrate.

Also, for example, the environment control method includes a lighting control step ST1. In the lighting control step ST1, the illuminance of the lighting load 6 provided in the working space 4 is controlled. The lighting load 6 has a first load 61 having diffused light distribution characteristics and a second load 62 having condensed light distribution characteristics. In the lighting control step ST1, the illuminance ratio of the maximum illuminance of the work space 4 when the first load 61 is turned on to the maximum illuminance of the work space 4 when the second load 62 is turned on is 0.4 or less. The lighting load 6 is controlled as follows.

Such an environment control method has the advantage of being able to provide a space in which the user U1 can relatively easily concentrate.

Also, for example, the program causes one or more processors to execute the environment control method described above.

Such a program has the advantage of being able to provide a space in which the user U1 can relatively easily concentrate.

REFERENCE SIGNS LIST 100 Environmental control system 11 Lighting control unit 12 Acoustic control unit 2 Display device 21 Display unit 22 Input receiving unit 4 Work space 41 Work area 6 Lighting load 61 First load 62 Second load 7 Acoustic device ST1 Lighting control step

Claims (19)

Equipped with a lighting control unit that controls the illuminance of the lighting load provided in the work space,
The lighting load includes a first load having diffused light distribution characteristics and a second load having condensed light distribution characteristics,
The lighting control unit sets the illuminance ratio of the maximum illuminance of the work space when the first load is turned on to the maximum illuminance of the work space when the second load is turned on to be 0.4 or less. controlling the lighting load to
Environmental control system. The lighting control unit controls the lighting load so that the illuminance ratio is 0.25 or less.
The environmental control system of claim 1. The lighting control unit controls the lighting load so that the maximum illuminance of the work space is 750 lx or more when the second load is turned on.
The environment control system according to claim 1 or 2. The lighting control unit controls the lighting load so that the maximum illuminance of the work space is 1000 lx or more when the second load is turned on.
The environmental control system according to claim 3. The lighting control unit controls the lighting load so that the maximum illuminance of the work space is 300 lx or less when the first load is turned on.
The environmental control system according to any one of claims 1-4. The lighting control unit controls the lighting load so that the maximum illuminance of the work space is 200 lx or less when the first load is turned on.
An environmental control system according to claim 5 . The lighting control unit controls the lighting load so that the color temperature of the light emitted by the lighting load is 3500K or higher.
The environmental control system according to any one of claims 1-6. The lighting control unit controls the lighting load during the daytime.
The environmental control system according to any one of claims 1-7. Further comprising a sound control unit for controlling a sound device provided in the work space,
The sound control unit controls the sound device to reproduce at least one of natural environmental sounds and white noise in the work space.
The environmental control system according to any one of claims 1-8. The sound control unit controls the sound device to reproduce running water sound in the work space.
An environmental control system according to claim 9 . The sound control unit controls the sound device so that the noise level in the work space is 40 dB or more and less than 60 dB.
The environmental control system according to claim 9 or 10. Further comprising a display device having a display unit for displaying control parameters of the lighting control unit,
The environmental control system according to any one of claims 1-11. The display device further includes an input reception unit that receives input for setting the control parameters,
The display unit displays the range of the control parameters that can be received by the input reception unit.
13. The environmental control system of claim 12. When the input receiving unit receives a setting input of the control parameter for one of the first load and the second load, the display unit changes the control parameter for the other in conjunction with the control parameter for the one. indicate,
14. The climate control system of claim 13. Further comprising a sound control unit for controlling a sound device provided in the work space,
wherein the workspace is a plurality of
The lighting control unit and the sound control unit control the lighting load and the sound device assigned to each of the plurality of work spaces so that environments of the work spaces are made different from each other.
The environmental control system according to any one of claims 1-14. In any one of the plurality of workspaces,
The lighting control unit controls the lighting load so that the color temperature of the light emitted by the lighting load is 4000 K or less,
The sound control unit controls the sound device to play music classified as jazz or bossa nova in the work space.
16. The environmental control system of claim 15. In any one of the plurality of workspaces,
The lighting control unit controls the lighting load so that the illuminance in the center of the work area in the work space is higher than the illuminance in other parts,
The sound control unit controls the sound device to reproduce white noise or natural environmental sound in the work space.
17. An environmental control system according to claim 15 or 16. Including a lighting control step for controlling the illuminance of the lighting load provided in the work space,
The lighting load includes a first load having diffused light distribution characteristics and a second load having condensed light distribution characteristics,
In the lighting control step, the illuminance ratio of the maximum illuminance of the work space when the first load is turned on to the maximum illuminance of the work space when the second load is turned on is 0.4 or less. controlling the lighting load to
Environmental control method. to one or more processors;
causing the environmental control method of claim 18 to be executed;
program.

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