JP6796785B2 - Lighting equipment and lighting systems - Google Patents

Description

The present invention relates to a lighting device and a lighting system constituting a mesh network.

Conventionally, a lighting system in which a mesh network is composed of a plurality of lighting devices having a communication function has been known. A mesh network is a network in which devices build a wireless communication path.

As one of the lighting systems of this type, Patent Document 1 describes a lighting system including a plurality of lighting devices having a wireless device, a plurality of wireless terminals communicating with the lighting devices, and a management server for managing the lighting devices. It is disclosed. In this lighting system, adjacent lighting devices can communicate with each other, and a mesh network is formed by a plurality of lighting devices.

Japanese Unexamined Patent Publication No. 2014-60078

In the lighting system disclosed in Patent Document 1, a command for operating a lighting device is transmitted from a management server to each lighting device using a communication path by a mesh network. By transmitting commands using the communication path by the mesh network in this way, each lighting device can be collectively operated in the same manner.

However, if each luminaire is operated in the same way at once, the luminaire will be in an unintended operating state for other people working under the current operating state of the luminaire. Therefore, it may adversely affect the work currently being done. For example, if there are people who are working with the lighting equipment turned on, but all the lighting equipment is turned off at once, it may interfere with the current work or work. There is a problem that it makes a person uncomfortable.

Therefore, the present invention provides a lighting device or the like that suppresses an adverse effect on the work being performed under the current operating state when the lighting devices are collectively operated using a communication path by a mesh network. To do.

One aspect of the present onset bright lighting apparatus of a first communication mode and a device communication unit for transmitting and receiving commands relating to operation of the lighting apparatus wirelessly, and the lighting device and the communication terminal communicates the command to each other, The plurality of lighting devices constituting the mesh network have a second communication mode in which the command is transmitted or received to each other, and the command received in the first communication mode and the command received in the second communication mode are transmitted. The device communication unit is provided with a device control unit to execute, and the device communication unit issues the command that spreads to the plurality of lighting devices from the first communication terminal as a transmission source via the lighting device different from itself. When received in the communication mode, the device control unit communicates with a second communication terminal different from the first communication terminal in the first communication mode, the second communication. The current operating state is maintained without executing the command received in the mode.

Further, one aspect of the lighting system of the present invention includes a plurality of the above-mentioned lighting devices. Further, one aspect of the lighting system of the present invention includes the lighting device and at least one communication terminal of the first communication terminal and the second communication terminal.

It is possible to provide a lighting device or the like that suppresses an adverse effect on the work performed under the current operating state when the lighting devices are collectively operated by using the communication path by the mesh network.

It is a figure which shows the lighting system and the lighting equipment which concerns on Embodiment 1, and is the figure which shows an example of the mesh network composed of a plurality of lighting equipment. It is a figure which shows an example of the appearance of the lighting equipment which concerns on Embodiment 1. FIG. It is a block diagram which shows the control structure of the lighting equipment which concerns on Embodiment 1. FIG. FIG. 5 is a block diagram showing a control configuration of a communication terminal that communicates with the lighting device according to the first embodiment. It is a figure which shows the lighting state of the lighting equipment in Embodiment 1, (a) is the state which all the lighting equipment which constitutes a mesh network is lighting, (b) is the case where the extinguishing command is given to each lighting equipment. It is a figure which shows. It is a flowchart which decides lighting or extinguishing of the lighting equipment in Embodiment 1. It is a figure which shows the lighting state of the lighting equipment in Embodiment 2, and is the figure which shows the case where the extinguishing command is given to a plurality of lighting equipments constituting a mesh network. It is a flowchart which decides the lighting or extinguishing of the lighting equipment in Embodiment 2.

Hereinafter, the lighting equipment and the lighting system according to the embodiment will be described with reference to the drawings. It should be noted that all of the embodiments described below show a preferred specific example of the present invention. Therefore, the numerical values, shapes, materials, components, arrangement positions of the components, connection forms, and the like shown in the following embodiments are examples and are not intended to limit the present invention. Therefore, among the components in the following embodiments, the components not described in the independent claims indicating the highest level concept of the present invention will be described as arbitrary components.

It should be noted that each figure is a schematic view and is not necessarily exactly illustrated. Further, in each figure, the same reference numerals are given to substantially the same configurations, and duplicate description will be omitted or simplified.

(Embodiment 1)
<Configuration of lighting system and lighting equipment>
FIG. 1 is a diagram showing a lighting system 100 and lighting devices 10a, 10b, 10c, 10d, 10e, and 10f according to the first embodiment, and is a mesh network 20 composed of a plurality of lighting devices 10a to 10f (FIG. 1). It is a figure which shows an example (the broken line in 1).

The lighting system 100 is composed of a plurality of lighting devices 10a to 10f having a communication function. In this lighting system 100, a wireless communication path is constructed by communicating with lighting devices (for example, lighting devices 10b and 10d) adjacent to each other among a plurality of lighting devices 10a to 10f to form a mesh network. The mesh network 20 is not limited to adjacent lighting devices, and may be configured between lighting devices having a predetermined number of hops within a wireless communication distance.

Further, the lighting devices 10a to 10f can communicate with the communication terminals 50 and 60 (the first communication terminal 50 and the second communication terminal 60) possessed by a plurality of workers, respectively. The communication terminals 50 and 60 are set to automatically communicate and connect with the lighting devices 10a to 10f located near the communication terminals 50 and 60. In FIG. 1, the communication terminal 50 is connected to the lighting device 10a by communication, and the communication terminal 60 is connected to the lighting device 10d by communication.

FIG. 2 is a diagram showing an example of the appearance of the lighting devices 10a to 10f. FIG. 3 is a block diagram showing a control configuration of the lighting devices 10a to 10f.

The lighting devices 10a to 10f are, for example, ceiling lights as shown in FIG. 2, and are installed on a building material (ceiling or the like) of a building such as a house. The lighting devices 10a to 10f include a device main body 15 and a glove 16 that covers the device main body 15. The glove 16 is made of a translucent resin material. As shown in FIG. 3, the device main body 15 includes a light source 11, a device communication unit 12, and a device control unit 13.

The light source 11 includes, for example, a plurality of light emitting diodes that emit white light, red light, green light, or blue light. The light source 11 is dimmed and / or toned controlled by the device control unit 13.

The device communication unit 12 has an antenna and a wireless module. The device communication unit 12 wirelessly transmits and receives commands related to the operation of the device communication unit 12 of the lighting device different from itself and the lighting devices 10a to 10f. For example, the lighting device 10b can communicate with the adjacent lighting devices 10a, 10d, and 10e. Further, the device communication unit 12 of the lighting devices 10a to 10f can also communicate with the communication terminal 50 or 60. As the communication method, for example, a method of communicating in a frequency band of 2.4 GHz such as Bluetooth (registered trademark) standardized by IEEE802.5.1 is used.

The device control unit 13 is composed of a CPU, a RAM, a ROM for storing a program, and the like. The device control unit 13 has a plurality of communication modes (first communication mode M1 and second communication mode M2) for communicating with other devices via the device communication unit 12. The first communication mode M1 is a communication mode in which each of the lighting devices 10a to 10f and the communication terminal 50 or 60 communicate with each other. The second communication mode M2 is a communication mode in which a plurality of lighting devices 10a to 10f constituting the mesh network 20 transmit or receive commands from each other. The device control unit 13 can send and receive commands by using both the first communication mode M1 and the second communication mode M2 at the same time. The device control unit 13 executes the command received in the first communication mode M1 and the command received in the second communication mode M2 according to the usage status of the lighting devices 10a to 10f.

FIG. 4 is a block diagram showing a control configuration of communication terminals 50 and 60 that communicate with the lighting devices 10a to 10f.

The communication terminals 50 and 60 are, for example, tablet terminals and smartphones, and include an operation unit 54, a display unit 51, a terminal communication unit 52, and a terminal control unit 53.

The operation unit 54 is, for example, a touch panel for inputting a command for operating the lighting devices 10a to 10f. The display unit 51 is, for example, a liquid crystal monitor for displaying individual operating states of the lighting devices 10a to 10f and displaying whether or not the lighting devices 10a to 10f have participated in the mesh network 20. The terminal communication unit 52 has an antenna and a wireless module. The terminal control unit 53 is composed of a CPU, RAM, ROM, and the like. The terminal control unit 53 has a first communication mode M1 that communicates with each of the lighting devices 10a to 10f.

The first communication mode M1 is used between the communication terminals 50 and 60 and the lighting devices 10a to 10f, and the second communication mode M2 is used between the communication terminals 10a to 10f to turn on, turn off, and adjust. Commands related to the operation of the lighting devices 10a to 10f such as light, toning, and reset are transmitted and received. Further, in addition to these commands, between the communication terminals 50 and 60 and the lighting devices 10a to 10f, and between the lighting devices 10a to 10f, each lighting device 10a to 10f is individually assigned. Authentication information such as the address and network encryption key is sent and received.

For example, by designating an address and transmitting a command relating to the operation of the lighting device 10b, only the lighting device 10b can be operated. Further, by assigning addresses to a plurality of lighting devices 10a to 10f as one group, the lighting devices 10a to 10f composed of one group can be operated collectively. In addition, a predetermined command or all commands among lighting, extinguishing, dimming, toning, and reset can be set in advance so as to operate collectively.

In principle, these commands are transmitted so as to spread to a plurality of lighting devices 10a to 10f by using the communication terminal 50 or 60 as a source and using the communication path by the mesh network 20. For example, when a predetermined command is transmitted from the communication terminal 50 to the lighting device 10a in the first communication mode M1, the lighting device 10a transmits the received command to the lighting device 10b in the second communication mode M2. The lighting device 10b executes the received command and transmits the command to the lighting devices 10d and 10e in the second communication mode M2.

However, in the present embodiment, the lighting devices 10a to 10d in the state of communicating in the first communication mode M1 are set so as not to ignore commands received from other devices and execute them. For example, the lighting device 10d communicating with the communication terminal 60 in the first communication mode M1 maintains the current operating state without executing the command received in the second communication mode M2 with the communication terminal 50 as the transmission source. To do. Further, the lighting device 10a temporarily receives the command received in the first communication mode M1, but since it directly communicates with the communication terminal 50 in the first communication mode M1, the current operating state without executing the command. To maintain.

That is, in the lighting devices 10a to 10f according to the present embodiment, when the lighting devices 10a to 10f are collectively operated, the lighting devices (for example, the lighting devices 10a and 10d) communicating in the first communication mode M1 Considers that there is a person working in the current operating state, maintains the operating state, and suppresses adverse effects on the work.

<Operation of lighting equipment>
Next, the operation of the lighting devices 10a to 10f when a turn-off command is given to the plurality of lighting devices 10a to 10f constituting the mesh network 20 will be described with reference to FIGS. 5 and 6. Here, a case where an operator in the vicinity of the lighting device 10a turns off the other lighting devices 10b to 10f for power saving will be described.

FIG. 5 is a diagram showing a lighting state of the lighting devices 10a to 10f, and FIG. 6 is a flowchart for determining lighting or extinguishing of the lighting devices 10a to 10f.

Initially, as shown in FIG. 5A, the plurality of lighting devices 10a to 10f constituting the mesh network 20 are all lit (S11 in FIG. 6).

From this state, in order for a worker near the lighting device 10a to turn off the other lighting devices 10b to 10f, as shown in FIG. 5B, a communication terminal 50 is used to issue a turn-off command to the lighting device 10a. Send to.

First, the operation of the lighting device 10a that directly receives the turn-off command from the communication terminal 50 will be described with reference to FIG.

The lighting device 10a receives a turn-off command from the communication terminal 50 in the first communication mode M1 (S12 in FIG. 6). After that, the lighting device 10a determines whether or not it is communicating with another device in the first communication mode M1 (S13 in FIG. 6). At this time, the lighting device 10a temporarily accepts the extinguishing command received in the first communication mode M1, but since it is in a state of communicating with the communication terminal 50 in the first communication mode M1 (Yes in S13), the first communication mode The current operating state is maintained without executing the extinguishing command received by M1. At the same time, the turn-off command is transferred to the adjacent lighting devices 10b and 10c in the second communication mode M2. The lighting device 10a maintains the lighting state until the extinguishing command is received again.

Next, the operation of the lighting devices 10b to 10f that have received the turn-off command via a lighting device different from the own lighting device will be described again with reference to FIG.

The lighting devices 10b and 10c receive a turn-off command from the lighting device 10a in the second communication mode M2 (S12 in FIG. 6). After that, the lighting devices 10b and 10c determine whether or not they are communicating with another device in the first communication mode M1 (S13 in FIG. 6). At this time, since the lighting devices 10b and 10c are not communicating with other devices in the first communication mode M1 (No in S13), the extinguishing commands received in the second communication mode M2 are executed respectively (FIG. 6). S14). At the same time, the turn-off command is transferred to the adjacent lighting devices 10d, 10e, and 10f in the second communication mode M2.

The lighting devices 10d, 10e, and 10f receive a turn-off command from the lighting devices 10b and 10c in the second communication mode M2 (S12 in FIG. 6). After that, the lighting devices 10d, 10e, and 10f determine whether or not they are communicating with another device in the first communication mode M1 (S13 in FIG. 6). At this time, since the lighting devices 10e and 10f are not communicating with other devices in the first communication mode M1 (No in S13), the extinguishing commands received in the second communication mode M2 are executed respectively (FIG. 6). S14).

On the other hand, since the lighting device 10d is in a state of communicating with the communication terminal 60 in the first communication mode M1 (Yes in S13), the light-off command received in the second communication mode M2 is ignored and not executed. Maintain the operating state of. Further, the lighting device 10d notifies the communication terminal 50 of the response information in which the received extinguishing command is not executed by a pop-up. This response information is obtained by using the second communication mode M2 used in the communication path of the mesh network 20 and the first communication mode M1 used in the communication path between the lighting device 10a and the communication terminal 50. Will be notified.

That is, in the lighting equipment 10a to 10f according to the present embodiment, as shown in FIG. 5B, a worker in the vicinity of the lighting equipment 10a uses the communication terminal 50 to connect to the lighting equipment 10a to 10f. On the other hand, the lighting devices 10a and 10d located near the communication terminals 50 and 60 are not turned off even when the turn-off command is given all at once.

<Summary>
As described above, in the lighting devices 10a to 10f according to the present embodiment, the device communication unit 12 issues a command that spreads to a plurality of lighting devices 10a to 10f with the first communication terminal 50 as a transmission source. When received in the second communication mode M2 via a different lighting device, the device control unit 13 communicates with the second communication terminal 60 different from the first communication terminal 50 in the first communication mode M1. When not in the state, the command received in the second communication mode M2 is executed, and when communicating with the second communication terminal 60 in the first communication mode M1, the second communication mode M2 is used. Maintain the current operating state without executing the received command.

According to this, when the lighting devices 10a to 10f are collectively operated by using the communication path by the mesh network 20 with the first communication terminal 50 as the transmission source, the lighting devices 10a to 10f are located near the second communication terminal 60. It is possible to suppress adversely affecting the work performed under the located lighting device (lighting device 10d in FIG. 5B).

In the present embodiment, the "state of communication in the first communication mode M1" is not only when the command is transmitted / received in the first communication mode M1, but also the communication terminals 50 and 60 and the lighting device. It also includes the session from the establishment of the connection with the first communication mode M1 between 10a to 10f to the release.

Further, for example, the device communication unit 12 of the lighting device 10a issues a command transmitted to a plurality of lighting devices 10a to 10f from the first communication terminal 50 as a transmission source from the first communication terminal 50 in the first communication mode. When received by M1, the device control unit 13 maintains the current operating state without executing the command received in the first communication mode M1, and the second communication mode is set to the lighting devices 10b to 10f different from itself. The command may be transferred by M2.

According to this, it is possible to make other lighting devices 10b, 10c, 10e, and 10f collectively execute commands while maintaining the operating state of the lighting device 10a located near the first communication terminal 50. .. Further, even if a command is erroneously given to the lighting device 10a, the lighting device 10a maintains the current operating state, which adversely affects the work currently being performed under the lighting device 10a. It can be suppressed.

Further, when the device control unit 13 does not execute the command received in the second communication mode M2, the device control unit 13 may notify the first communication terminal 50 of the information that the command is not executed.

According to this, there was another lighting device that hindered the current work when the command was executed according to the information notified to the first communication terminal 50, and the command was not executed by the lighting device. Can be recognized.

Further, the lighting system 100 according to the present embodiment includes a plurality of lighting devices 10a to 10f.

According to the lighting system 100, when the lighting devices 10a to 10f are collectively operated by using the communication terminal 50 as a transmission source and the communication path by the mesh network 20, the lighting is located near the communication terminal 60. It is possible to suppress adversely affecting the work performed under the device 10d.

(Embodiment 2)
<Configuration of lighting system and lighting equipment>
In the lighting system 100 according to the second embodiment, the lighting devices 10a to 10f that have received a command directly from the communication terminal 50 are set to follow the command.

For example, the device communication unit 12 of the lighting device 10a issues a command to a plurality of lighting devices 10a to 10f from the first communication terminal 50 as a transmission source in the first communication mode M1 from the first communication terminal 50. When received, the device control unit 13 is configured to execute the command received in the first communication mode M1 and transfer the command to the lighting devices 10b to 10f different from itself in the second communication mode M2. ing.

<Operation of lighting equipment>
The operation of the lighting devices 10a to 10f when a turn-off command is given to the plurality of lighting devices 10a to 10f will be described with reference to FIGS. 7 and 8. Here, a case will be described in which all the lighting devices 10a to 10f are turned off because the worker on the floor on which the lighting devices 10a to 10f are installed has finished the work on the floor.

FIG. 7 is a diagram showing a lighting state of the lighting devices 10a to 10f, and FIG. 8 is a flowchart for determining lighting or extinguishing of the lighting devices 10a to 10f.

Initially, the plurality of lighting devices 10a to 10f constituting the mesh network 20 are all lit (S21 in FIG. 8).

From this state, in order for the worker in the vicinity of the lighting device 10a to turn off all the lighting devices 10a to 10f, as shown in FIG. 7, the communication terminal 50 is used to transmit a turn-off command to the lighting device 10a.

First, the operation of the lighting device 10a that directly receives the turn-off command from the communication terminal 50 will be described with reference to FIG.

The lighting device 10a receives a turn-off command from the communication terminal 50 in the first communication mode M1 (S22 in FIG. 8). After that, the lighting device 10a determines whether or not it is communicating with another device in the first communication mode M1 (S23 in FIG. 8). At this time, since the lighting device 10a is in a state of communicating with the communication terminal 50 in the first communication mode M1 (Yes in S23), the extinguishing command received in the first communication mode M1 is executed (S25 in FIG. 8). .. At the same time, the turn-off command is transferred to the adjacent lighting devices 10b and 10c in the second communication mode M2.

Next, the operation of the lighting devices 10b to 10f that have received the turn-off command via a lighting device different from the own lighting device will be described again with reference to FIG.

The lighting devices 10b and 10c receive a turn-off command from the lighting device 10a in the second communication mode M2 (S22 in FIG. 8). After that, the lighting devices 10b and 10c determine whether or not the extinguishing command is received in the first communication mode M1 (S23 in FIG. 8). Since the lighting devices 10b and 10c have not received the extinguishing command in the first communication mode M1 but have received it in the second communication mode M2, they move to the next step and themselves are in the first communication mode M1. It is determined whether or not the device is communicating (S24 in FIG. 8). Here, since the lighting devices 10b and 10c are not communicating with other devices in the first communication mode M1 (No in S24), the extinguishing commands received in the second communication mode M2 are executed (S25 in FIG. 8). ). At the same time, the turn-off command is transferred to the adjacent lighting devices 10d, 10e, and 10f in the second communication mode M2.

The lighting devices 10d, 10e, and 10f receive a turn-off command from the lighting devices 10b and 10c in the second communication mode M2 (S22 in FIG. 8). After that, the lighting devices 10d, 10e, and 10f determine whether or not the extinguishing command is received in the first communication mode M1 (S23 in FIG. 8). Since the lighting devices 10d, 10e, and 10f have not received the extinguishing command in the first communication mode M1 (No in S23) and have received it in the second communication mode M2, they move to the next step and themselves are the first. 1 It is determined whether or not communication with another device is performed in the communication mode M1 (S24 in FIG. 8).

Here, since the lighting devices 10e and 10f are not communicating with other devices in the first communication mode M1 (No in S24), the extinguishing commands received in the second communication mode M2 are executed (S25 in FIG. 8). ).

On the other hand, since the lighting device 10d communicates with the communication terminal 60 in the first communication mode M1 (Yes in S24), the lighting device 10d does not ignore the turn-off command received in the second communication mode M2 and does not execute the current state. Maintain operating condition. Further, the lighting device 10d notifies the communication terminal 50 of the response information in which the received extinguishing command is not executed by a pop-up.

That is, in the lighting devices 10a to 10f according to the present embodiment, as shown in FIG. 7, a worker in the vicinity of the lighting device 10a collectively uses the communication terminal 50 with respect to the lighting devices 10a to 10f. Even when the turn-off command is given, the lighting device 10d located near the communication terminal 60 is not turned off.

<Summary>
As described above, also in the lighting devices 10a to 10f according to the present embodiment, the device communication unit 12 issues a command originating from the first communication terminal 50 via a lighting device different from itself in the second communication mode. When received in M2, the device control unit 13 executes the command received in the second communication mode M2 when the second communication terminal 60 is not communicating with the first communication mode M1. When communicating with the communication terminal 60 of 2 in the first communication mode M1, the current operating state is maintained without executing the command received in the second communication mode M2.

According to this, when the lighting devices 10a to 10f are collectively operated by using the communication path by the mesh network 20 with the first communication terminal 50 as the transmission source, the lighting devices 10a to 10f are located near the second communication terminal 60. It is possible to suppress adversely affecting the work performed under the located lighting device (lighting device 10d in FIG. 7).

Further, for example, the device communication unit 12 of the lighting device 10a issues a command transmitted to a plurality of lighting devices 10a to 10f from the first communication terminal 50 as a transmission source from the first communication terminal 50 to the first communication mode M1. When received in, the device control unit 13 of the lighting device 10a executes the command received in the first communication mode M1 and transfers the command to the lighting devices 10b to 10f different from itself in the second communication mode M2. You may.

According to this, including the lighting device 10a located near the first communication terminal 50, the other lighting devices 10b, 10c, 10e, and 10f (excluding the lighting device 10d shown in FIG. 7) are collectively used. You can execute commands.

Further, the lighting system 100 according to the present embodiment includes a plurality of lighting devices 10a to 10f.

According to the lighting system 100, when the lighting devices 10a to 10f are collectively operated by using the communication terminal 50 as a transmission source and the communication path by the mesh network 20, the lighting is located near the communication terminal 60. It is possible to suppress adversely affecting the work performed under the device 10d.

The lighting devices 10a to 10f and the lighting system 100 have been described above based on the embodiments, but the present invention is not limited to the above embodiments. For example, it is realized by arbitrarily combining the components and functions in the embodiment as long as it does not deviate from the gist of the present invention or the embodiment obtained by applying various modifications to the above embodiment. Forms are also included in the present invention.

For example, in the first embodiment, the lighting devices 10a to 10f are operated by the command of the communication terminal 50, but the present invention is not limited to this, and the lighting devices 10a to 10f are operated by the command of the first communication mode M1 of the communication terminal 60. It may be activated. Further, a management server for managing the lighting devices 10a to 10f may be provided in the lighting system 100, and the lighting devices 10a to 10f may be operated by a command using the first communication mode of the management server.

Further, in the first and second embodiments, the lighting device 10d and the communication terminal 60 are connected by communication, but the present invention is not limited to this, and the communication terminal 60 is provided with a roaming function and is moved to the communication terminal 60. Other lighting devices 10b, 10c, 10e, and 10f may be communicated and connected in the first communication mode M1. Further, the communication connection is not automatically connected, but the communication terminals 50 and 60 may be manually operated and connected.

Further, in the first embodiment, the short-range wireless communication method using Bluetooth (registered trademark) has been described as an example, but the present invention is not limited to this, and a communication method such as WiFi (registered trademark) or infrared communication may be used. it can.

Further, in the first embodiment, the ceiling light has been described as an example of the lighting devices 10a to 10f, but the present invention is not limited to this, and an LED base light or an LED downlink may be used.

10a, 10b, 10c, 10d, 10e, 10f Lighting equipment 12 Equipment communication unit 13 Equipment control unit 20 Mesh network 50 First communication terminal 60 Second communication terminal 100 Lighting system M1 First communication mode M2 Second communication mode

Claims (5)

A device communication unit that wirelessly transmits or receives commands related to the operation of lighting equipment,
The lighting device and the communication terminal have a first communication mode in which the command is communicated with each other, and a second communication mode in which a plurality of the lighting devices constituting the mesh network transmit or receive the command with each other. A device control unit that executes the command received in the first communication mode and the command received in the second communication mode is provided.
When the device communication unit receives the command that spreads to a plurality of the lighting devices from the first communication terminal as a transmission source in the second communication mode via the lighting device different from itself.
When the device control unit is in a state of communicating with a second communication terminal different from the first communication terminal in the first communication mode, the device control unit executes the command received in the second communication mode. Lighting equipment that maintains the current operating state without The lighting device according to claim 1 , wherein the device control unit notifies the first communication terminal of information not to execute the command when the command received in the second communication mode is not executed. A lighting system including a plurality of lighting devices according to claim 1 or 2 . The lighting equipment according to claim 1 or 2 ,
A lighting system including the first communication terminal and at least one communication terminal of the second communication terminal. The lighting system according to claim 3 or 4 , wherein the plurality of lighting devices constitute the mesh network composed of lighting devices having a predetermined number of hops within a wireless communication distance.

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