JP7206748B2 - lighting equipment - Google Patents

Description

Embodiments of the present invention relate to lighting devices.

Conventionally, various techniques have been proposed for harmful substances that affect the human body. As this type of technology, a building certification system that considers the impact on human health and comfort, so-called WELL certification, has been proposed. The concentration in

“WELL”, [onlibe], [searched on September 25, 2018], Internet (https://v2.wellcertified.com/v2.1/en/overview)

By the way, it is generally difficult for people to visually recognize particulate matter such as PM2.5, which is a type of harmful substance.

The problem to be solved by the present invention is to provide a lighting device that facilitates grasping of the concentration of harmful substances.

A lighting device according to an embodiment includes a light source unit, an acquisition unit, a change unit, and a notification unit . The light source unit has a light source capable of changing an irradiation mode. The obtaining unit obtains concentration information regarding the concentration of the hazardous substance. The changing unit changes the irradiation mode when the density information acquired by the acquiring unit satisfies a predetermined condition. The notification unit notifies the external device of information including the position where the concentration information is detected. The notification unit notifies an external device of change information indicating that the irradiation mode has been changed by the change unit.

ADVANTAGE OF THE INVENTION According to this invention, grasping|ascertainment of the density|concentration of a harmful substance can be facilitated.

FIG. 1 is a diagram illustrating an outline of a control method for a lighting device according to an embodiment. FIG. 2 is a block diagram showing the configuration of the lighting device according to the embodiment. FIG. 3 is a diagram illustrating processing contents of a changing unit according to the embodiment; FIG. 4 is a flowchart illustrating a processing procedure executed by the lighting device according to the embodiment;

A lighting device 1 according to an embodiment described below includes a light source unit 50 , an acquisition unit 31 , and a change unit 32 . The light source unit 50 has a light source that can change the irradiation mode. The obtaining unit 31 obtains concentration information regarding the concentration of the hazardous substance. The changing unit 32 changes the irradiation mode when the density information acquired by the acquiring unit 31 satisfies a predetermined condition.

Further, the lighting device 1 according to the embodiment described below includes a sensor Sc that detects the concentration of harmful substances, and the acquisition unit 31 acquires concentration information from the sensor Sc.

Moreover, in the lighting device 1 according to the embodiment described below, the changing unit 32 changes the irradiation mode when the concentration of the harmful substance is equal to or higher than a predetermined threshold.

Moreover, in the lighting device 1 according to the embodiment described below, the changing unit 32 changes the intensity of the irradiation mode according to the concentration of the harmful substance.

In addition, in the lighting device 1 according to the embodiment described below, the acquisition unit 31 acquires density information regarding the density of PM2.5.

Moreover, the lighting device 1 according to the embodiment described below includes a notification unit 33 . The notification unit 33 notifies the external device of change information indicating that the irradiation mode has been changed by the change unit 32 .

In addition, in the illumination device 1 according to the embodiment described below, a plurality of light source units 50 are arranged in a predetermined arrangement. The acquisition unit 31 acquires density information for each position corresponding to each of the plurality of light source units 50 . The changing unit 32 changes the irradiation mode of the light source unit 50 corresponding to the position where the density information satisfies a predetermined condition among the plurality of light source units 50 .

Moreover, in the lighting device 1 according to the embodiment described below, the light source unit 50 has a plurality of light sources. The changing unit 32 changes the irradiation mode by turning on some of the plurality of light sources when the density information does not satisfy a predetermined condition, and turning on the rest of the light sources when the predetermined condition is satisfied. .

A lighting device 1 according to an embodiment will be described below with reference to the drawings. In the embodiments, the same parts are denoted by the same reference numerals, and overlapping descriptions are omitted.

(embodiment)
First, the outline of the control method of the lighting device 1 according to the embodiment will be described with reference to FIG. In FIG. 1, a plurality of light source units 50 are arranged in a room, and the control unit 30 included in the lighting device 1 according to the embodiment executes the control method of the lighting device 1 to control these light source units 50. . Specifically, in the control method of the lighting device 1 according to the embodiment, the irradiation mode of the light source unit 50 is changed when the concentration of the harmful substance satisfies a predetermined condition.

The light source unit 50 is, for example, an indoor lamp installed on the ceiling of a room, and includes a light source such as an LED (Light Emitting Diode). In FIG. 1, the light source unit 50 is shown as an example of a bar-type light source unit 50 having a substantially rectangular shape in a plan view looking up from the floor to the ceiling. There may be. Also, the light source unit 50 can adopt any installation form such as an embedded type embedded in the ceiling or a projecting type projecting from the ceiling. Moreover, the light source unit 50 is not limited to an indoor light, and may be an outdoor light. In addition, the light source unit 50 is not limited to one installed on the ceiling, and may be a light source unit installed on the floor surface or a side wall surface, a light source unit functioning as indirect lighting, a portable light source unit, or the like. good.

In addition, although FIG. 1 shows a case where the plurality of light source units 50 are arranged in a two-dimensional arrangement on the ceiling, the two-dimensional arrangement may be an arbitrary arrangement such as a parallel arrangement or a staggered arrangement. The distance between adjacent light source units 50 may be substantially the same or may be different. Also, the number of light source units 50 is not limited to a plurality, and may be one.

Further, the light source unit 50 has a light source whose irradiation mode can be changed. Specifically, the light source unit 50 has a light source that can change at least one of the color of the emitted light, the illuminance, the blinking interval, the irradiation position, and the irradiation range.

In FIG. 1, harmful substances are, for example, fine particulate substances such as PM2.5. Gases (carbon monoxide, nitrogen oxides, volatile organic compounds, etc.) and the like may also be used.

In addition, the illumination device 1 includes sensors Sc (see FIG. 2) that detect the concentration of harmful substances at positions corresponding to the plurality of light source units 50, respectively. It is possible to detect the concentration of harmful substances within the possible range.

By the way, it is generally difficult for people to visually recognize particulate matter such as PM2.5 and other harmful substances described above, so it is not easy to grasp the concentration of harmful substances in a room, for example.

Therefore, the illumination device 1 according to the embodiment acquires concentration information about the concentration of the hazardous substance, and changes the irradiation mode of the light source unit 50 when the concentration information satisfies a predetermined condition. As shown in FIG. 1, for example, it is assumed that the concentration of PM2.5 (detection value of sensor Sc) has increased to a predetermined threshold value or higher at a predetermined position in the room.

In such a case, the illumination device 1 according to the embodiment changes the illumination mode of the light source unit 50 that illuminates the position where the concentration of PM2.5 is equal to or higher than the threshold. Specifically, as shown in the lower part of FIG. 1, the illumination device 1 changes the color of the light emitted from the light source unit 50 located at a position where the concentration of PM2.5 is high.

Thereby, for example, a person in the room can easily grasp that the concentration of PM2.5 is high. For example, through a speaker or the like, for the people in the room, avoid a position where the concentration of PM2.5 is high, open a window near such a position, or bring an air purifier to such a position to clean the air. By giving such instructions, the influence of PM2.5 on the human body can be minimized.

Alternatively, the lighting device 1 notifies the ventilation control system 100 (see FIG. 2) of change information indicating that the irradiation mode has been changed, and the ventilation control system 100 locally ventilates the position where the concentration of PM2.5 is high. You can also take action.

Further, for example, by setting the density threshold for changing the irradiation mode to the threshold (preferably lower value than) defined by WELL certification, compliance with the density regulation by WELL certification can be facilitated.

In addition, the WELL certification places importance on improving the health awareness of users in the building. By notifying the people in the room of the increase in the concentration of PM2.5 by the control method of the lighting device 1 according to the embodiment, it is possible to raise the awareness of health promotion of the people in the room.

Next, a configuration example of the illumination device 1 will be described with reference to FIG. FIG. 2 is a block diagram showing the configuration of the illumination device 1. As shown in FIG. As shown in FIG. 2 , lighting device 1 is connected to ventilation control system 100 . Moreover, as shown in FIG. 2 , the illumination device 1 includes a sensor Sc, a communication section 10 , an operation section 20 , a control section 30 , a storage section 40 and a plurality of light source sections 50 .

The ventilation control system 100 acquires the change information described above from the lighting device 1 and controls the indoor ventilation state based on the change information. The ventilation control system 100 may adopt a so-called 24-hour ventilation system, or may adopt a system that operates according to the acquisition timing of change information or the operation of a person in the room.

The change information acquired by the ventilation control system 100 includes, for example, information such as the type and concentration of hazardous substances and the detection position in the room.

The sensor Sc is a sensor that detects the concentration of harmful substances scattered indoors. The sensor Sc may detect the total concentration of harmful substances by one sensor, or may detect the concentration of each kind of harmful substances by a plurality of sensors. In addition, below, the measurement result of sensor Sc may be described as a sensor value. In this way, by using the sensor Sc, it is possible to change the irradiation mode by the changing unit 32, which will be described later, more quickly and accurately.

The communication unit 10 is a communication module that communicates with various devices via networks such as the Internet and WiFi (registered trademark). The communication unit 10 can communicate with an external server, a smart phone, or a tablet terminal. In this embodiment, the communication unit 10 can communicate with the ventilation control system 100 using at least one of wired and wireless communication methods.

The operation unit 20 is a user interface for the user to operate the lighting device 1 . The operation unit 20 inputs a control signal to the control unit 30 according to the user's operation. The control signal includes information related to on/off control of the light source unit 50, designation of an irradiation mode, and the like.

The storage unit 40 is a storage device such as DRAM, SRAM, and flash memory. The storage unit 40 stores programs and the like for operating the control unit 30 .

The control unit 30 is a controller that controls each unit of the lighting device 1 . The control unit 30 may be a processor such as CPU or MPU, or may be an integrated circuit such as FPGA or ASIC. The control unit 30 includes an acquisition unit 31 , a change unit 32 and a notification unit 33 .

The obtaining unit 31 obtains concentration information regarding the concentration of the hazardous substance. For example, the acquisition unit 31 acquires the sensor value of the sensor Sc as concentration information. Further, the obtaining unit 31 may obtain, as the concentration information, prediction information received from a prediction server (for example, a weather forecast server) that predicts the concentration of hazardous substances, for example. Alternatively, the obtaining unit 31 may predict current density information based on a learning result of learning past density information. For example, the acquisition unit 31 obtains the current concentration using a regression model that uses concentration information from a predetermined day in the past as an objective variable and concentration information from the day before the predetermined day, temperature on a predetermined day, weather on a predetermined day, etc. as explanatory variables. Information may be predicted.

Then, the acquisition unit 31 acquires density information for each position corresponding to each of the plurality of light source units 50 and outputs it to the change unit 32 .

The changing unit 32 changes the irradiation mode when the density information acquired by the acquiring unit 31 satisfies a predetermined condition. For example, the changing unit 32 changes the irradiation mode when the concentration of the hazardous substance in the concentration information is greater than or equal to a predetermined threshold. Specifically, the changing unit 32 changes at least one parameter of the color, intensity, blinking interval, irradiation position, and irradiation range of the irradiation light among the settings of the normal irradiation mode.

Changing the color of the illumination light means, for example, changing the balance of the three primary colors of red, blue, and green, changing the illuminance means changing the strength of the illuminance, and changing the blinking interval means , changing the interval between lighting and non-lighting, changing the irradiation position means moving and changing the center position of the irradiation range along a predetermined pattern, and changing the irradiation range means changing the irradiation range. It is to change by expanding and contracting the range.

Moreover, the changing unit 32 may change the intensity of the irradiation mode according to the concentration of the harmful substance. Specifically, the changing unit 32 darkens (or lightens) the color of the irradiation light, increases the illuminance, or shortens (or lengthens) the blinking interval as the concentration of the hazardous substance increases.

In this way, the changing unit 32 changes the irradiation mode according to the concentration of the hazardous substance, thereby allowing the person in the room to visually recognize that the concentration is gradually increasing. If people in the room take prescribed measures (evacuation, ventilation, etc.) before the concentration rises, the effects on the human body can be minimized.

Here, a method for changing the irradiation mode of the light source unit 50 by the changing unit 32 will be described more specifically with reference to FIG. 3 . FIG. 3 is a diagram showing a method of changing the irradiation mode of the light source unit 50 by the changing unit 32. As shown in FIG. FIG. 3 illustrates a case where the light source unit 50 includes a first light source 51 and a second light source 52, but the number of light sources included in the light source unit 50 is not limited to two, and may be three or more. . Further, the first light source 51 and the second light source 52 may be light sources having different light colors and illuminances, or may be the same light source.

Also, the upper part of FIG. 3 shows the irradiation mode at normal time, that is, when the density information does not satisfy the predetermined condition, and the lower part shows the irradiation mode when the PM2.5 is high density, that is, when the density information satisfies the predetermined condition. Irradiation mode is shown.

As shown in the upper part of FIG. 3, when the density information does not satisfy a predetermined condition, the changing unit 32 turns on some light sources (first light source 51) among the plurality of light sources, and the remaining light sources (second light source 51). The light source 52) is not turned on.

Then, as shown in the lower part of FIG. 3, when the density information satisfies a predetermined condition, the changing unit 32 turns on the second light source 52 while turning on the first light source 51, thereby changing the irradiation mode. change.

In other words, the changing unit 32 emits light from only the first light source 51 during normal times, and emits a mixed light from the first light source 51 and the second light source 52 when the concentration of PM2.5 is high. In this way, the changing unit 32 only performs on/off control of a plurality of light sources, and does not require complicated control, so that it is possible to reduce the processing load and the design cost for changing the irradiation mode.

FIG. 3 shows the case where the first light source 51 and the second light source 52 are turned on when the concentration of PM2.5 is high. , only the second light source 52 may be lit.

Alternatively, when the density is high, the changing unit 32 changes at least one parameter of the color, intensity, blinking interval, irradiation position, and irradiation range of the irradiation light of the second light source 52 while the first light source 51 is kept turned on. You may

When controlling a plurality of light source units 50 , the changing unit 32 changes the irradiation mode of the light source unit 50 corresponding to the position (sensor Sc) where density information satisfies a predetermined condition among the plurality of light source units 50 . change. As a result, it is possible to inform in detail the position where the concentration of the harmful substance has increased to the person in the room, so that it is possible to facilitate local ventilation and the like.

Further, the changing unit 32 changes the irradiation modes of all the light source units 50 when the density information of at least one (or a predetermined number or more) of the plurality of light source units 50 satisfies a predetermined condition. may

Further, for example, the change unit 32 may change the irradiation mode only when there is a person in the room by means of an infrared sensor, a camera, or the like, or when the person is near a high-concentration position. As a result, when it is not necessary to change the irradiation mode, such as when there is no person in the room or when the person is in a relatively distant place in the room, by prohibiting the change of the irradiation mode, unnecessary control can be performed. Power consumption can be reduced. In this case, only notification to the ventilation control system 100 by the notification unit 33, which will be described later, may be performed.

The notification unit 33 notifies the external device of change information indicating that the irradiation mode has been changed by the change unit 32 . For example, the notification unit 33 notifies the ventilation control system 100 of change information. For example, the change information includes information such as the concentration and type of hazardous substances, and the location where the concentration is high (the location that satisfies a predetermined condition).

In addition, the external device is not limited to the ventilation control system 100. For example, terminal devices (smartphones, tablets, personal computers, etc.) of pre-registered users in the room (including users who are outdoors). can be Alternatively, the external device may be a loudspeaker installed in the building that can broadcast in the building. In other words, the notification unit 33 can protect people in the room by operating the ventilation control system 100, and can also protect people outside the building by notifying users in the building of the change information by sound.

Next, a processing procedure executed by the lighting device 1 according to the embodiment will be described with reference to FIG. 4 . FIG. 4 is a flowchart showing a processing procedure executed by the lighting device 1 according to the embodiment. This processing procedure is repeatedly executed by the control unit 30 . Also, in FIG. 4, the light source section 50 is assumed to have a first light source 51 and a second light source 52 .

As shown in FIG. 4, the illumination device 1 turns on the first light source 51 while turning off the second light source 52 of the light source unit 50 (step S101). Subsequently, the illumination device 1 acquires density information from, for example, the sensor Sc (step S102). Subsequently, the illumination device 1 determines whether or not the concentration of the hazardous substance in the acquired concentration information is equal to or higher than the threshold (step S103).

When the concentration of the hazardous substance is equal to or higher than the threshold (step S103: Yes), the lighting device 1 turns on the second light source 52 while turning on the first light source 51, thereby changing the irradiation mode (step S104). ). Subsequently, the lighting device 1 notifies the ventilation control system 100 of change information indicating that the irradiation mode has been changed (step S105), and ends the process.

On the other hand, in step S103, when the concentration of the hazardous substance is less than the threshold (step S103: No), the lighting device 1 executes step S102.

As described above, the illumination device 1 according to the embodiment includes the light source unit 50, the acquisition unit 31, and the change unit 32. The light source unit 50 has a light source that can change the irradiation mode. The obtaining unit 31 obtains concentration information regarding the concentration of the hazardous substance. The changing unit 32 changes the irradiation mode when the density information acquired by the acquiring unit 31 satisfies a predetermined condition. As a result, for example, an increase in the concentration of harmful substances can be visually recognized, so that it is possible to easily grasp the concentration of harmful substances.

While several embodiments of the invention have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and their modifications are included in the scope and spirit of the invention, as well as the scope of the invention described in the claims and equivalents thereof.

1 lighting device 10 communication unit 20 operation unit 31 acquisition unit 32 change unit 33 notification unit 50 light source unit 51 first light source 52 second light source 100 ventilation control system

Claims (7)

a light source unit having a light source capable of changing the irradiation mode;
an obtaining unit for obtaining concentration information about the concentration of hazardous substances;
a changing unit that changes the irradiation mode when the density information acquired by the acquiring unit satisfies a predetermined condition;
a notification unit that notifies an external device of information including the position where the concentration information is detected;
and
The notification unit
Notifying an external device of change information indicating that the irradiation mode has been changed by the change unit
lighting device. a sensor for detecting the concentration of said harmful substance;
and
The acquisition unit
The lighting device according to claim 1, wherein the density information is acquired from the sensor. The change unit
The lighting device according to claim 1 or 2, wherein the irradiation mode is changed when the concentration of the harmful substance is equal to or higher than a predetermined threshold. The change unit
The lighting device according to any one of claims 1 to 3, wherein the intensity of the irradiation mode is changed according to the concentration of the harmful substance. The acquisition unit
5. The lighting device according to any one of claims 1 to 4, wherein the concentration information is obtained regarding the concentration of PM2.5. The light source unit
Multiple arranged in a predetermined array,
The acquisition unit
acquiring the density information for each position corresponding to each of the plurality of light source units;
The change unit
The illumination device according to any one of claims 1 to 5 , wherein, among the plurality of light source units, the illumination mode of the light source unit corresponding to the position where the density information satisfies a predetermined condition is changed. The light source unit
Having a plurality of said light sources,
The change unit
When the density information does not satisfy a predetermined condition, some of the plurality of light sources are turned on, and when the predetermined condition is satisfied, the rest of the light sources are turned on, thereby changing the irradiation mode. The lighting device according to any one of claims 1 to 6 .

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