JP2019160401A - Lighting system - Google Patents

Abstract

To reduce the troublesomeness of a user caused by operating a plurality of lighting systems.SOLUTION: A lighting system according to an embodiment illuminates a predetermined location together with other lighting systems, and includes a communication unit. The communication unit has radio field intensity enabling communication with the other lighting systems when the lighting system and the other lighting systems are arranged such that a lighting mode at the predetermined location satisfies a predetermined lighting mode.SELECTED DRAWING: Figure 1

Description

  Embodiments described herein relate generally to a lighting device.

  2. Description of the Related Art Conventionally, for example, an illumination device that can perform light adjustment, color adjustment, and the like from a terminal device using wireless communication is known.

JP-A-2006-225169

  By the way, for example, in an emergency light or the like, a plurality of lighting devices may be arranged in order to satisfy the irradiation mode determined by law. In such a case, for example, if the communication radio wave range of each lighting device is narrow, it is necessary for the terminal device to be close to the radio wave range of each lighting device, which is bothersome for the user.

  An object of the present invention is to provide an illumination device that can reduce the troublesomeness of a user who operates a plurality of illumination devices.

  The illumination device according to the embodiment includes a communication unit. When the communication unit is arranged to satisfy a predetermined illumination mode with respect to another illumination device, the communication unit has a radio wave intensity capable of communicating with the other illumination device.

Drawing 1 is a figure showing the example of composition of the lighting system concerning an embodiment. FIG. 2 is a diagram illustrating an arrangement of the illumination devices according to the embodiment. FIG. 3 is a diagram illustrating an arrangement of the illumination devices according to the embodiment. FIG. 4 is a diagram illustrating an arrangement of lighting devices according to a modification. FIG. 5 is a diagram illustrating a relationship between relative illuminance and received power at an inter-apparatus distance according to a modification.

  An illuminating device 1 according to an embodiment described below is an illuminating device 1 that illuminates a predetermined position together with another illuminating device 100, and includes a communication unit 12. When the lighting device 1 and the other lighting device 100 are arranged so that the lighting mode at the predetermined position satisfies the predetermined lighting mode, the communication unit 12 can communicate with the other lighting device 100. Has strength.

  In the illuminating device 1 according to the embodiment described below, the communication unit 12 communicates with other illuminating devices 100 when the communication unit 12 is arranged so as to satisfy an illumination mode defined by law as a predetermined illumination mode. It has possible radio field strength.

  In the illuminating device 1 according to the embodiment described below, the communication unit 12 performs other illumination when arranged to illuminate the irradiation target surface at a predetermined position with a predetermined illuminance as a predetermined illumination mode. The radio wave intensity is such that the apparatus 100 can communicate with each other.

  The illumination device 1 according to the embodiment described below has the same light intensity and irradiation range as the other illumination devices 100.

  In the illumination device 1 according to the embodiment described below, a first region R1a where the light intensity is equal to or greater than a predetermined threshold value and a second region R1b (including the third region R1c) where the light intensity is less than the threshold value are generated. Be placed. The communication unit 12 has a radio wave intensity that allows communication with the other lighting devices 100 when the lighting device 1 is arranged so that the light intensity of the second region R1b is equal to or greater than a predetermined value.

  In the illuminating device 1 according to the embodiment described below, the communication unit 12 performs other illumination when the illuminating device 1 is arranged such that the light intensity in the second region R1b is ½ or more of the threshold value. The radio wave intensity is such that the apparatus 100 can communicate with each other.

  In the illumination device 1 according to the embodiment described below, the communication unit 12 performs other illumination when the illumination device 1 is arranged such that the light intensity in the second region R1b is equal to or greater than ¼ of the threshold value. The radio wave intensity is such that the apparatus 100 can communicate with each other.

  Hereinafter, an illumination device according to an embodiment will be described with reference to the drawings. In the embodiment, the same parts are denoted by the same reference numerals, and redundant description is omitted.

(Embodiment)
First, the illumination system S including the illumination device 1 according to the embodiment will be described with reference to FIG. FIG. 1 is a diagram illustrating a configuration example of a lighting system S according to the embodiment. As shown in FIG. 1, the illumination system S according to the embodiment includes a plurality of illumination devices 1 and 100. Hereinafter, the illumination device 100 other than the illumination device 1 may be described as another illumination device 100.

  The illumination devices 1 and 100 are emergency illumination devices such as emergency lights, for example. Lighting devices 1 as emergency lighting devices are arranged at predetermined intervals in a facility, and illuminate a room or a floor for evacuation guidance in an emergency such as a power failure or a disaster. In addition, the illuminating devices 1 and 100 may be guide lights installed to indicate an emergency exit or an escape passage. Moreover, the illuminating devices 1 and 100 may be illuminating devices that are lit as an illuminating device during normal times and illuminate a room or a floor for evacuation guidance in an emergency such as a power failure.

  The lighting devices 1 and 100 are not limited to emergency lighting devices. For example, the lighting devices 1 and 100 are lighting devices that illuminate the entire relatively wide area such as a stadium such as a tennis court, and lighting devices such as road lights. Also good. In other words, the illuminating device 1 should just be an illuminating device which illuminates a predetermined irradiation object in cooperation with the other illuminating devices 100.

  As shown in FIG. 1, the lighting devices 1 and 100 include a light source 11 such as an emergency lamp and a communication unit 12.

  The light source 11 is, for example, an emergency lamp, and is turned on when the power supplied from an external power source (not shown) is significantly reduced (that is, during a power failure). As the light source 11, various light sources such as a fluorescent lamp and an LED (Light Emitting Diode) may be used depending on the purpose. The external power source is, for example, a power source supplied from an electric power company or the like, or a power source supplied from a solar power generation system.

  The light distribution characteristic (how the light spreads) of the light source 11 can adopt a so-called sloppy or batwing light distribution characteristic, which is related to the shape of the light distribution curve. The tandem type refers to light distribution characteristics that mainly illuminate directly below the light source 11 and have a relatively narrow angle (light distribution angle) in the horizontal direction from directly below. The tandem light distribution characteristic is employed, for example, when the mounting height of the lighting device 1 is relatively high. In addition, the illuminating device 1 with a high mounting height is also called a high ceiling type.

  The batwing type refers to a wide range of light distribution characteristics that mainly illuminate the horizontal direction (for example, the light distribution angle is in the vicinity of 60 degrees to 70 degrees) from directly below the light source 11. The bat wing type light distribution characteristic is employed, for example, when the mounting height of the lighting device 1 is relatively low. The lighting device 1 having a low mounting height is also called a low ceiling type.

  In FIG. 1, the lighting device 1 has been described with an example in which the light source 11 includes one light source 11, but may include a plurality of light sources 11. In such a case, the light distribution characteristics of the light sources 11 may be the same or different. That is, at least one of the plurality of light sources 11 may have a tanning light distribution characteristic and at least one may have a batwing light distribution characteristic.

  The light distribution curve indicating the light distribution characteristic of the light source 11 is not limited to the scalloped type and the batwing type, and may be a light distribution curve having various shapes. The shape of the light distribution curve which has both wing type | molds may be sufficient.

  Further, for example, a cover capable of controlling light distribution may be attached to the light source 11. For example, such a cover may convert the light distribution characteristic of the light source 11 from a sloping shape to a bat wing shape, or conversely, from a bat wing shape to a sloping shape. Alternatively, such a cover may be one that converts only the light distribution angle without changing the shape of the light distribution curve of the sleek type or the bat wing type.

  The communication unit 12 is a beacon, for example, and enables communication between the lighting device 1 and another lighting device 100. The communication unit 12 performs wireless communication by a communication method in accordance with, for example, a BLE (Bluetooth (registered trademark) Low Energy) standard.

  The lighting devices 1 and 100 include a storage battery (not shown). For example, when power supply from an external power source is interrupted, the light source 11 and the communication unit 12 can be operated using the power supplied from the storage battery. To.

  Moreover, the illuminating device 1 is arrange | positioned so that the predetermined | prescribed irradiation aspect may be satisfy | filled with respect to the other illuminating devices 100. FIG. An irradiation aspect refers to the intensity of light on an irradiation target surface such as a floor surface. For example, in the case of an emergency lighting device, there are cases where it is stipulated by laws and regulations (for example, the Building Standards Act) to illuminate an irradiation target surface such as a floor surface with an illuminance of 1 lux or more. For example, in FIG. 1, the lighting device 1 satisfies the irradiation mode by being arranged so that a partial region of the irradiation range R <b> 1 overlaps a partial region of the irradiation range R <b> 100 of the lighting device 100. In other words, in order to satisfy the illumination mode of 1 lux or more in the entire irradiation range R1 of the illumination device 1, a part of the light of the other illumination device 100 is used. For other illumination devices 100 as well, part of the light from the illumination device 1 is used to satisfy an illumination mode of 1 lux or more in the entire irradiation range R100. That is, the illuminating device 1 and the other illuminating device 100 are arrange | positioned so that a mutual light may be shared and an irradiation aspect may be satisfy | filled.

  Further, the irradiation mode is not limited to those stipulated by laws and regulations. For example, it may be an illumination mode determined for each facility or each competition item, or an illumination mode uniquely determined by a predetermined institution or individual, such as an illumination device that illuminates a tennis court.

Further, the irradiation mode is not limited to illuminance (lux: lx), and may be an index indicating the intensity of light. For example, in road lights and the like, the uniformity of luminance (candela: cd / m ² ) is defined as an irradiation mode.

  As described above, the emergency lighting device or the like or another type of lighting device 1 may require a plurality of lighting devices 1 and 100 in order to satisfy a predetermined irradiation mode.

  However, in such a case, for example, when the communication radio wave range of the lighting device is narrow (or the radio wave intensity is weak), the user needs to perform lighting control of the lighting device by bringing the terminal device close to each lighting device. Therefore, there is a risk of feeling annoying. Thus, when arrangement | positioning of several illuminating devices is required, there existed room for improvement at the point which reduces the troublesomeness of the user who operates several illuminating devices.

  Therefore, when the communication unit 12 in the lighting device 1 according to the embodiment is arranged so as to satisfy a predetermined lighting mode with respect to the other lighting device 100, the radio wave intensity capable of mutual communication with the other lighting device 100. Have

  For example, as illustrated in FIG. 1, the lighting device 1 according to the embodiment has a radio wave intensity capable of communicating with another lighting device 100 when the lighting device 1 is arranged so as to satisfy an irradiation mode defined by law. To do.

  That is, by determining the radio field intensity based on the irradiation mode of the lighting device 1, for example, communication between the lighting device 1 and the other lighting device 100 is possible while satisfying a predetermined irradiation mode. That is, for example, if the user can wirelessly communicate only with the lighting device 1, the remaining other lighting devices 100 can communicate with each other through the lighting device 1. There is no need to control lighting up close. Therefore, according to the illuminating device 1 which concerns on embodiment, the troublesomeness of the user who operates the some illuminating devices 1 and 100 can be reduced.

  Next, the arrangement relationship between the lighting device 1 according to the embodiment and the other lighting device 100 will be described in detail with reference to FIGS. 2 and 3. 2 and 3 are diagrams showing the arrangement of the illumination device 1 according to the embodiment. In FIG. 2, the figure which looked at irradiation range R1, R100 of the illuminating device 1,100 from the direction parallel to the floor G which is an irradiation object surface is shown, and in FIG. The figure seen from the perpendicular direction is shown. 2 and 3, the irradiation ranges R1 and R100 include first regions R1a and R100a in which the light intensity is equal to or higher than a reference value (an example of a threshold value: 1 lux) and a second region R1b that is less than the reference value. , R100b. Such a reference value is an index corresponding to the illumination mode to be satisfied, and is, for example, the intensity of light determined by law.

  As shown in FIG. 2 and FIG. 3, in the lighting device 1, the light intensity is higher as the floor surface G is closer to the bottom (that is, the first regions R <b> 1 a and R <b> 100 a), and the light intensity is lower as the floor surface G is farther from the bottom. (That is, the second regions R1b and R100b). This is the same regardless of whether the light distribution characteristic is a tandem type or a batwing type.

  As illustrated in FIGS. 2 and 3, the lighting device 1 is arranged so that the second region R1b overlaps the second region R100b of another lighting device 100 to satisfy the irradiation mode. That is, the intensity of light in the second region R1b of the lighting device 1 is set to a value that exceeds the reference value as a total value with the intensity of light in the second region R100b of the other lighting devices 100.

  More specifically, in the example illustrated in FIG. 2, it is assumed that the lighting device 1 has the same light intensity and irradiation range as the other lighting devices 100. In such a case, the illumination device 1 and the other illumination devices 100 are configured such that the light intensity in the second regions R1b and R100b is equal to or greater than ½ of the reference value. That is, the illuminating device 1 and the other illuminating devices 100 are arrange | positioned by the space | interval of the distance D1 so that 2nd area | region R1b and R100b whose light intensity is 1/2 or more of reference values may overlap. The distance D1 is a distance between the centers of the lighting device 1 and the other lighting device 100.

  And the communication part 12 (refer FIG. 1) of the illuminating device 1 is made to have a field intensity which can communicate with the other illuminating device 100 in this distance D1. Specifically, the communication unit 12 of the lighting device 1 is configured to have a communication radio wave with a radio wave intensity such that the radio wave intensity received by the communication unit 12 of the other lighting device 100 is, for example, −90 dBm. That is, the communication unit 12 of the lighting device 1 can communicate with other lighting devices 100 when the intensity of the light in the second region R1b is equal to or greater than a predetermined value (for example, ½ of the reference value). Has strength. Thereby, for example, the illuminating device 1 can communicate with the other illuminating devices 100 while satisfying the irradiation mode defined by law.

  2 and 3, the case where the illumination mode and the radio wave intensity are determined in the illumination device 1 and one other illumination device 100 has been described. However, the number of other illumination devices 1 is two or more. May be. This point will be described with reference to FIGS. 4 and 5. FIG.

  FIG. 4 is a diagram illustrating an arrangement of the lighting device 1 according to the modification. In FIG. 4, the illuminating device 1 and three other illuminating devices 100-a to 100-c are shown. Specifically, each of the lighting device 1 and the other lighting devices 100-a to 100-c is arranged at a position corresponding to a vertex of a square.

  FIG. 4 also shows the first region R1a, R100a-a-c, the second region R1b, R100b-a-c, and the second region of the lighting device 1 and three other lighting devices 100-a-100-c. 3rd area | region R1c, R100c-a-c (it is also an example of a 2nd area | region) whose light intensity is still lower than R1b and R100b-a-c is shown. For example, the third regions R1c and R100c-a to c are regions that are ¼ or more of the reference value. That is, it can be said that the third regions R1c and R100c-a to c are second regions that are ¼ or more of the reference value.

  And the illuminating device 1 and three other illuminating devices 100-a-100-c are arrange | positioned so that a predetermined irradiation aspect (for example, 1 lux or more) may be satisfy | filled in the above-mentioned square area | region. Specifically, the lighting device 1 is arranged such that the second regions R1b, R100b-a, and b overlap with the other lighting devices 100-a and 100-b located at the apexes forming the square sides. Is done. That is, the illuminating device 1 and the other illuminating devices 100-a and 100-b are arranged at a distance D1 (the length of the side of the square) such that the second regions R1b, R100b-a, and b overlap each other. .

  Moreover, the illuminating device 1 is arrange | positioned so that 3rd area | region R1c and R100c-c may overlap with the other illuminating device 100c located in the vertex in the diagonal of a square. At this time, the third region R1c of the illumination device 1 also overlaps with the third regions R100c-a, b of the other illumination devices 100-a, 100-b. Thereby, in the square center region, the four third regions R1c, R100c-a to c are overlapped to satisfy the irradiation mode. That is, the illuminating device 1 and the other illuminating devices 100-c are arranged at a distance D1 (the length of the diagonal line of the square) such that the third regions R1c and R100c-c overlap each other.

  Here, with reference to FIG. 5, the illumination mode and the radio wave intensity in the arrangement of the illumination device 1 and another illumination device 100-c located on the diagonal of the square will be further described. FIG. 5 is a diagram illustrating a relationship between relative illuminance and received power at an inter-apparatus distance according to a modification. The inter-apparatus distance shown on the horizontal axis indicates a distance D1 between the lighting device 1 (left end) and another lighting device 100-c (right end). The relative illuminance shown on the left vertical axis indicates the ratio when the illuminance that satisfies the irradiation mode is 1. The received power shown on the right vertical axis indicates the radio wave intensity received from the lighting device 1 by the other lighting device 100-c. Note that when the received power is a positive value, the intensity of the radio wave transmitted by the lighting device 1 is obtained. In addition, “apparatus 1” illustrated in FIG. 5 indicates the illumination apparatus 1, and “apparatus 2” indicates another illumination apparatus 100-c. The “illuminance (reference value)” indicates the minimum value of illuminance necessary for satisfying a predetermined irradiation mode in the illumination device 1 and the other illumination device 100-c. The “radio wave (reference value)” indicates the minimum value of the radio wave intensity at which the other lighting device 100-c can stably communicate with the lighting device 1.

  As shown in FIG. 5, when each of the lighting device 1 and the other lighting device 100-c is viewed alone (“illuminance (apparatus 1)” and “illuminance (appliance 2)”), each illuminance is on one side. The distance decreases from one to the other. On the other hand, the combined illuminance (“illuminance (combination)”) of the illumination device 1 and the other illumination device 100-c is the illumination devices 1 on both sides with the center M of the inter-device distance as the minimum value (0.5). It gets higher as it gets closer to 100-c. The actual relative illuminance at the center M is approximately 1. This is because, as described above, the illuminance of the third regions R100c-a, b of the other lighting devices 100-a, 100-b is also added. That is, the inter-apparatus distance (distance D1) is set such that the relative illuminance at the center M satisfies 0.5 or more.

  And the illuminating device 1 determines the electromagnetic wave intensity transmitted based on the determined inter-apparatus distance. That is, the radio field intensity is set so that the reception intensity at the other illumination device 100-c is equal to or higher than the reference value of −90 dBm. Thereby, the illuminating device 1 can communicate with the other illuminating device 100-c located in the diagonal of a square, satisfy | filling an irradiation aspect.

  In addition, the illuminating device 1 has the radio wave intensity such that the received power at the other illuminating device 100-c is −90 dBm or more, so that the other illuminating device 100 whose distance D1 is closer than the other illuminating device 100-c. -Can communicate with both a and b.

  Thus, when the intensity of light in the third region R1c is ¼ or more of the reference value, the illumination apparatus 1 can communicate with another illumination apparatus 100-c located on the diagonal of the square. It becomes possible to communicate with other illumination devices 100-a and 100b located at the apexes of the sides of the square.

  As described above, the lighting device 1 according to the embodiment includes the communication unit 12. When the communication unit 12 is arranged to satisfy a predetermined illumination mode with respect to the other lighting device 100, the communication unit 12 has a radio wave intensity capable of communicating with the other lighting device 100. Thereby, the troublesomeness of the user who operates a some illuminating device can be reduced.

  In the above description, the case where the lighting device 1 and the three other lighting devices 100-a to 100-c are located at the vertices of the square has been described as an example. However, for example, three (two or four or more are possible) Other illumination devices 100-a to 100-c may be arranged on one circumference around the illumination device 1.

  Moreover, although the case where the intensity | strength of light in the illuminating device 1 and the other illuminating device 100 and irradiation range R1, R100 are the same was mentioned as an example above, the intensity of light in the illuminating device 1 and the other illuminating device 100 and The irradiation ranges R1 and R100 may be different between the two apparatuses.

  Moreover, the shape of the irradiation ranges R1 and R100 of the lighting device 1 and the other lighting devices 100 is not limited to a perfect circle (see FIG. 3), and for example, the irradiation range R1 having a shape deformed by a reflecting material or the like. , R100.

  In other words, the shape of the first region R1a, the second region R1b, and the third region R1c in the irradiation range R1 (including the irradiation range R100) may be similarly modified. Furthermore, the shapes of the first region R1a, the second region R1b, and the third region R1c are not limited to the same shape, and the shape of each region may be different.

  Although the embodiment of the present invention has been described, this embodiment is presented as an example and is not intended to limit the scope of the invention. This embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. This embodiment and its modifications are included in the scope of the present invention and the gist thereof, and are also included in the invention described in the claims and the equivalent scope thereof.

DESCRIPTION OF SYMBOLS 1 Illuminating device 11 Light source 12 Communication part 100 Other illuminating devices R1, R100 Irradiation range R1a, R100a-a-c 1st area | region R1b, R100b-a-c 2nd area | region R1c, R100c-a-c 3rd area | region S illumination system

Claims (7)

An illumination device that illuminates a predetermined position together with another illumination device,
When the lighting device and the other lighting device are arranged so that the lighting mode at the predetermined position satisfies the predetermined lighting mode, the communication unit has a radio wave intensity capable of communicating with the other lighting device. ;
An illumination device comprising: The communication unit is
As the predetermined illumination mode, when the irradiation target surface at the predetermined position is arranged to illuminate with a predetermined illuminance, it has a radio wave intensity capable of communicating with the other illumination device. The lighting device according to claim 1. The communication unit is
The radio wave intensity capable of mutually communicating with the other illumination device when the predetermined illumination mode is arranged so as to satisfy an illumination mode stipulated by laws and ordinances. The lighting device described. The illumination device according to any one of claims 1 to 3, wherein the intensity and irradiation range of light output from the other illumination device are the same. The lighting device includes:
The first region where the light intensity is greater than or equal to a predetermined threshold and the second region where the light intensity is less than the threshold are generated,
The communication unit is
2. The radio wave intensity capable of mutually communicating with the other illumination device when the illumination device is arranged so that the intensity of the light in the second region is equal to or higher than a predetermined value. The illuminating device as described in any one of -4. The communication unit is
When the illuminating device is arranged so that the intensity of the light in the second region is not less than ½ of the threshold value, it has a radio wave intensity capable of communicating with the other illuminating device. The lighting device according to claim 5. The communication unit is
When the illuminating device is arranged so that the intensity of the light in the second region is ¼ or more of the threshold value, it has a radio wave intensity capable of communicating with the other illuminating device. The lighting device according to claim 5.

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