JP6729736B2 - lighting equipment - Google Patents

Description

The present invention relates to a lighting device capable of controlling lighting of a light source and controlling lighting by communicating with the outside.

Conventionally, transmission/reception of signals between the lighting control device and the plurality of lighting devices has been performed by connecting the lighting control device and the plurality of lighting devices with a signal line. The signal to be transmitted and received is a PWM (Pulse Width Modulation) signal or the like. The lighting circuit of the lighting fixture controls the lighting of the lighting fixture (dimming control) by changing the current flowing through the light source based on the PWM signal. However, the wiring work of the signal line connecting the lighting control device and the plurality of lighting fixtures is very complicated.

On the other hand, Patent Document 1 discloses a technique in which a detachable wireless communication module that wirelessly receives a command from a user is provided in a lighting fixture. In this technique, a command from a user is input by a remote controller, and various wireless communication systems can be switched between the remote controller and the wireless communication module.

JP, 2013-235837, A

However, Patent Document 1 does not show a specific lighting system that controls lighting of a plurality of lighting fixtures.

The present invention has been made to solve the above problems, and an object thereof is to obtain a lighting fixture that can control lighting of a light source and can perform lighting control by communicating with the outside.

The lighting fixture according to the present invention includes a lighting circuit that controls lighting of a light source, a communication module that communicates with the outside, and a control module that is detachably connected to the lighting circuit and the communication module. It is characterized in that it has a processing circuit for controlling the connected communication module and the lighting circuit by a control signal regardless of the type of the connected communication module and the lighting circuit.

In the present invention, the control module has a processing circuit that controls the communication module and the lighting circuit connected by the control signal, regardless of the type of the communication module and the lighting circuit connected. Thus, the light source can be controlled to be lit, and the lighting can be controlled by communicating with the outside.

It is a perspective view which shows the lighting fixture which concerns on Embodiment 1 of this invention. It is a figure which shows the communication route of the lighting fixture which concerns on Embodiment 1 of this invention. It is a figure which shows the port arrangement|positioning of an interface. It is a top view which shows the structure of an interface. It is a figure of a communication protocol of a control module, a lighting circuit, and a wireless communication module. It is a figure explaining the content of the command. It is a figure which shows the control module which concerns on Embodiment 1 of this invention. It is a figure which shows the control module which concerns on Embodiment 2 of this invention. It is a figure which shows the control module which concerns on Embodiment 3 of this invention. It is a figure which shows the control module which concerns on Embodiment 4 of this invention. It is a figure which shows the control module which concerns on Embodiment 5 of this invention. It is a figure which shows the lighting system which concerns on Embodiment 6 of this invention. It is a perspective view which shows the lighting fixture of a slave. It is a figure which shows the communication route of a lighting fixture of a slave. It is a figure which shows the lighting system which concerns on a comparative example. It is a figure which shows the modification of the illumination system which concerns on Embodiment 6 of this invention.

A lighting fixture and a lighting system according to an embodiment of the present invention will be described with reference to the drawings. The same or corresponding components are denoted by the same reference numerals, and repeated description may be omitted.

Embodiment 1.
FIG. 1 is a perspective view showing a lighting fixture according to Embodiment 1 of the present invention. The lighting fixture 1 includes an LED module 2, a lighting circuit 3, a wireless communication module 4, and a control module 5. The LED module 2 has at least one or more LEDs. The lighting circuit 3 controls the lighting of the LED module 2. The wireless communication module 4 wirelessly communicates with other lighting equipment. The control module 5 receives a user or external state command and sends the command to the lighting circuit 3 and the wireless communication module 4.

FIG. 2 is a diagram showing a communication route of the lighting equipment according to Embodiment 1 of the present invention. When the control module 5 receives a user or external state command, the control module 5 transmits a command to the lighting circuit 3, and the lighting circuit 3 controls the lighting of the LED module 2. Further, the control module 5 transmits a command to the lighting circuit 3 and simultaneously transmits the same command to the wireless communication module 4. The wireless communication module 4 that has received the command transmits the command from the control module 5 to another lighting device. That is, the lighting fixture 1 serves as a master, and the LED modules of the other lighting fixtures are controlled to light similarly to the LED module 2 of the lighting fixture 1.

FIG. 3 is a diagram showing a port arrangement of the interface. The lighting circuit 3 has, as the terminal 3a connected to the control module 5, a Vcc terminal for supplying power, an Rx terminal for receiving a command, a Tx terminal for returning a reply to the command, and a circuit GND terminal. ..

The wireless communication module 4 has, as terminals 4a connected to the control module 5, a Vcc terminal to which power is supplied, a Tx terminal for transmitting a command or response, an Rx terminal for receiving a command or response, and a circuit GND terminal. Have.

The control module 5 has a first terminal 5a connected to the lighting circuit 3 and a second terminal 5b connected to the wireless communication module 4. The first and second terminals 5a and 5b are independent serial ports. The first terminal 5a has a Vcc terminal to which power is supplied, a Tx terminal that transmits a command, an Rx terminal that receives a response, and a circuit GND terminal. The second terminal 5b has a Vcc terminal that supplies power, an Rx terminal that receives a command or an answer, a Tx terminal that transmits a command, and a circuit GND terminal. The control module 5 communicates with the lighting circuit 3 and the wireless communication module 4 by the same command of the common protocol.

The first terminal 5a of the control module 5 has the same interface as the terminal 4a of the wireless communication module 4. The second terminal 5b of the control module 5 has the same interface as the terminal 3a of the lighting circuit 3. Therefore, even if the control module 5 is omitted and the wireless communication module 4 and the lighting circuit 3 are directly connected, communication is possible.

FIG. 4 is a plan view showing the structure of the interface. The terminal 3a of the lighting circuit 3 is a female connector. The terminal 4a of the wireless communication module 4 is a male connector. The first terminal 5a of the control module 5 is a male connector that can be connected to the terminal 3a of the lighting circuit 3, which is a female connector. The second terminal 5b of the control module 5 is a female connector that can be connected to the terminal 4a of the wireless communication module 4, which is a male connector. With such a configuration, the wireless communication module 4 and the lighting circuit 3 can be directly connected.

FIG. 5 is a diagram of a communication protocol of the control module, the lighting circuit, and the wireless communication module. The communication protocol has a 4-byte structure including STX (start command), CM (command), FD1 (frame data 1), and FD2 (frame data 2). In this way, the lighting circuit 3, the wireless communication module 4, and the control module 5 each include a pair of bidirectional serial communication interfaces, and send and receive commands or replies according to this communication protocol.

FIG. 6 is a diagram for explaining the contents of the command. STX (start command) is a command that serves as a signal to send a command, and sends a fixed command. When this command is received, it follows the command of the remaining 3 bytes. The CM (command) is a command indicating the content of the command, and indicates, for example, a command for a lighting ON/OFF operation of the LED module 2 or a dimming rate operation for changing the brightness. FD1 (frame data 1) and FD2 (frame data 2) are commands indicating the specific contents of the command. For example, a specific command or numerical value such as lighting ON of the LED module 2 or dimming rate of 50% is given. Show.

FIG. 7 is a diagram showing a control module according to the first embodiment of the present invention. The power supply circuit 5c supplies the power supplied from the lighting circuit 3 via the first terminal 5a to the control circuit 5d and the second terminal 5b. The control circuit 5d performs bidirectional serial communication via the first and second terminals 5a and 5b, respectively. The command circuit 5e receives the command of the user or the external state, and transmits the command to the lighting circuit 3 and the wireless communication module 4 via the control circuit 5d. The control module 5 has an independent serial port, but communicates with the lighting circuit 3 and the wireless communication module 4 by the same command of the common protocol. The control circuit 5d is realized by a processing circuit such as a CPU or a system LSI that executes a program stored in the memory. Also, a plurality of processing circuits may cooperate to execute the above function.

As described above, in the present embodiment, the command circuit 5e of the control module 5 receives the command of the user or the external state and transmits the command to the lighting circuit 3, so that the lighting circuit 3 emits the LED according to the command. The lighting of the module 2 can be controlled. In addition, the control module 5 communicates with the lighting circuit 3 and the wireless communication module 4 by the same command of the common protocol, so that the wireless communication module 4 wirelessly communicates with another lighting fixture and the LED module of the other lighting fixture is used for the lighting fixture. Lighting control can be performed similarly to the LED module 2 of No. 1.

Embodiment 2
FIG. 8 is a diagram showing a control module according to the second embodiment of the present invention. The command circuit 5e is composed of the human sensor 6. The human sensor 6 transmits a presence determination signal to the control circuit 5d when detecting the presence of a person, and transmits an absence determination signal to the control circuit 5d when not detecting the presence of the person. The control circuit 5d transmits a presence determination or absence determination signal to the lighting circuit 3 and the wireless communication module 4 with the same command according to a common communication protocol. Accordingly, it is possible to control the lighting of the LED module 2 according to the presence or absence of a person, and to perform the lighting control by wirelessly communicating with other lighting equipment. The human sensor 6 determines that the person is absent unless the person's presence is detected for a predetermined time after detecting the person's presence.

Embodiment 3
FIG. 9 is a diagram showing a control module according to the third embodiment of the present invention. The command circuit 5e is composed of the illuminance sensor 7. The illuminance sensor 7 detects the brightness of the external state and sends a signal to the control circuit 5d. The control circuit 5d transmits a signal corresponding to the brightness to the lighting circuit 3 and the wireless communication module 4 with the same command according to a common communication protocol. Accordingly, the lighting of the LED module 2 can be controlled according to the brightness of the external state, and the lighting of the LED module 2 can be controlled by wirelessly communicating with another lighting device.

Embodiment 4
FIG. 10 is a diagram showing a control module according to the fourth embodiment of the present invention. The command circuit 5e is composed of the light receiving element 8. The user uses the remote controller 9 to transmit the brightness, lighting time, and extinguishing time of the lighting device 1. The light receiving element 8 receives this signal and transmits the signal to the control circuit 5d. The control circuit 5d transmits a signal to the lighting circuit 3 and the wireless communication module 4 with the same command according to a common communication protocol. Accordingly, it is possible to control the lighting of the LED module 2 according to a command from the user and to control the lighting by wirelessly communicating with another lighting device.

Embodiment 5
FIG. 11 is a diagram showing a control module according to the fifth embodiment of the present invention. The command circuit 5e is composed of a switch 10 through which a user inputs a command. When the user operates the switch 10, a stepwise signal is transmitted to the control circuit 5d. The control circuit 5d transmits a signal to the lighting circuit 3 and the wireless communication module 4 with the same command according to a common communication protocol. Accordingly, it is possible to control the lighting of the LED module 2 according to a command from the user and to control the lighting by wirelessly communicating with another lighting device. The stepwise signal of the switch 10 is used, for example, during stepwise dimming to change the brightness stepwise, and the lighting circuit 3 receives the signal and changes the brightness of the LED module 2 stepwise.

Sixth Embodiment
FIG. 12 is a diagram showing an illumination system according to the sixth embodiment of the present invention. The lighting system according to the present embodiment uses at least two lighting devices 1 of the first to fifth embodiments as a master, and other lighting devices 11 that wirelessly communicate with the lighting device of the master as slaves. Equipped with equipment.

FIG. 13 is a perspective view showing a slave lighting device. The slave lighting device 11 includes an LED module 12 including at least one LED, a lighting circuit 13 that controls lighting of the LED module 12, and a wireless communication module 14 that is connected to the lighting circuit 13 and wirelessly communicates with another lighting device. Have.

FIG. 14 is a diagram showing a communication route of a slave lighting device. The wireless communication module 14 receives a command from the wireless communication module 4 of the master lighting fixture 1 and transmits the command to the lighting circuit 13, so that the lighting circuit 13 controls the lighting of the LED module 12. The interface between the lighting circuit 13 and the wireless communication module 14 is the same as that of the master lighting fixture 1 described in the first embodiment, and communication is possible even if both are directly connected.

The luminaires 1 and 11 wirelessly communicate with each other by the wireless communication modules 4 and 14, and the luminaire 1 serves as a master and the plurality of luminaires 11 serve as slaves, and lighting is controlled. For example, when the command circuit 5e of the master lighting fixture 1 is the human sensor 6 of the second embodiment, the master lighting fixture 1 operates by detecting the presence or absence of a person, and the master lighting fixture 1 The slave lighting device 11 operates in conjunction with the operation.

Next, the effect of the present embodiment will be described in comparison with a comparative example. FIG. 15 is a diagram showing an illumination system according to a comparative example. In the comparative example, the lighting control device 15 and the plurality of lighting fixtures 16 are connected by a signal line. For example, when the dimming control of the lighting fixture 16 is performed, the signal system is generally a control signal of a PWM signal, and the lighting circuit of the lighting fixture 16 changes the current flowing to the light source according to the PWM signal. However, the wiring work for the signal line connecting the lighting control device 15 and the plurality of lighting fixtures 16 is very complicated. On the other hand, in the present embodiment, since the master lighting fixture 1 is provided, it is not necessary to attach the lighting control device 15. Further, since the lighting fixtures 1 and 11 wirelessly communicate with each other, no wiring work is required.

FIG. 16 is a diagram showing a modified example of the illumination system according to the sixth embodiment of the present invention. One slave luminaire 11 can wirelessly communicate with the master luminaire 1 and another slave luminaire 11, and the slave luminaire 11 wirelessly communicating with the master luminaire 1 is arranged in the vicinity. Wirelessly communicates with the other slave lighting device 11 that has been selected. Therefore, the master luminaire 1 wirelessly communicates with another slave luminaire 11 via one slave luminaire 11. As a result, the number of slave lighting devices 11 that the master lighting device 1 controls for lighting is increased, and it is possible to control lighting for a wider space.

1, 11 Lighting equipment, 2 LED module, 3 lighting circuit, 3a, 4a terminal, 4 wireless communication module, 5 control module, 5a 1st terminal, 5b 2nd terminal, 5e command circuit, 6 presence sensor, 7 Illuminance sensor, 8 light receiving elements, 10 switches

Claims (1)

A lighting circuit that controls lighting of the light source,
A communication module for communicating with the outside,
A control module detachably connected to the lighting circuit and the communication module;
The lighting device, wherein the control module includes a processing circuit that controls the communication module and the lighting circuit connected by a control signal, regardless of the types of the communication module and the lighting circuit that are connected.

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