JP6492732B2 - Lighting fixture and lighting system - Google Patents

Description

  The present invention relates to a lighting fixture and a lighting system that can control lighting of a light source according to a command and can control lighting by wireless communication with other lighting fixtures.

  Conventionally, transmission / reception of signals between the lighting control device and the plurality of lighting fixtures has been performed by connecting the lighting control device and the plurality of lighting fixtures with signal lines. A signal to be transmitted / received is a PWM (Pulse Width Modulation) signal or the like. The lighting circuit of the lighting fixture performs lighting control (dimming control) of the lighting fixture 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 lighting device is provided with a detachable wireless communication module that wirelessly receives a command from a user. In this technique, a command from a user is input by a remote controller, and switching is performed between the remote controller and the wireless communication module so that various wireless communication systems can be used.

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-described problems, and the purpose thereof is to control lighting of a light source according to a command, and to control lighting by wireless communication with other lighting fixtures. A lighting apparatus and a lighting system are obtained.

  The lighting fixture according to the present invention includes a light source, a lighting circuit that controls lighting of the light source, a wireless communication module that wirelessly communicates with other lighting fixtures, and a serial that is connected to the lighting circuit and the wireless communication module, and is independent of each other. A control module comprising: first and second terminals that are ports; and a command module that receives a command of a user or an external state and transmits the command to the lighting circuit and the wireless communication module. Communicates with the lighting circuit and the wireless communication module with the same command of a common protocol.

  In the present invention, the command circuit of the control module receives the command of the user or the external state and transmits the command to the lighting circuit, so that the lighting circuit can control the light source according to the command. In addition, when the control module communicates with the lighting circuit and the wireless communication module with the same command of the common protocol, the wireless communication module can wirelessly communicate with the other lighting fixtures and similarly control the lighting of the light sources of the other lighting fixtures. it can.

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 | sequence of an interface. It is a top view which shows the structure of an interface. It is a figure of the communication protocol of a control module, a lighting circuit, and a radio | wireless communication module. It is a figure explaining the content of a 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 illumination 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 the lighting fixture of a slave. It is a figure which shows the illumination 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.
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 LED. The lighting circuit 3 controls the lighting of the LED module 2. The wireless communication module 4 wirelessly communicates with other lighting fixtures. The control module 5 receives a user or external state command and transmits 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 fixture 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 the 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 fixture. That is, the lighting fixture 1 becomes a master, and the lighting control of the LED modules of the other lighting fixtures is performed in the same manner as 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 includes, as terminals 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 response to the command, and a circuit GND terminal. .

  The wireless communication module 4 includes, as terminals 4a connected to the control module 5, a Vcc terminal to which power is supplied, a Tx terminal that transmits a command or answer, an Rx terminal that receives a command or answer, and a circuit GND terminal. Have

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

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

  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 that 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 that is a male connector. Because of such a configuration, the wireless communication module 4 and the lighting circuit 3 can be directly connected.

  FIG. 5 is a communication protocol diagram of the control module, the lighting circuit, and the wireless communication module. The communication protocol has a 4-byte configuration of STX (start command), CM (command), FD1 (frame data 1), and FD2 (frame data 2). As described above, the lighting circuit 3, the wireless communication module 4, and the control module 5 each have a pair of bidirectional serial communication interfaces, and transmit or receive a command or a reply using this communication protocol.

  FIG. 6 is a diagram for explaining the contents of a command. STX (start command) is a command that is a signal for transmitting a command, and transmits a fixed command. When this command is received, the remaining 3 bytes of the command are followed. CM (command) is a command indicating the content of the command, and indicates, for example, a command for lighting ON / OFF operation of the LED module 2 and a dimming rate operation for changing brightness. FD1 (frame data 1) and FD2 (frame data 2) are commands indicating 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 set. Show.

  FIG. 7 is a diagram showing a control module according to Embodiment 1 of the present invention. The power supply circuit 5c supplies 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. The instruction circuit 5e receives a user or external state instruction and transmits the instruction 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 with the same command of a 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 a memory. In addition, 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 responds to the command with the LED. The module 2 can be controlled to be lit. In addition, the control module 5 communicates with the lighting circuit 3 and the wireless communication module 4 using the same command of the common protocol, so that the wireless communication module 4 wirelessly communicates with the other lighting fixtures and the LED modules of the other lighting fixtures. The lighting control can be performed similarly to the LED module 2 of 1.

Embodiment 2
FIG. 8 is a diagram showing a control module according to Embodiment 2 of the present invention. The command circuit 5 e is composed of a human sensor 6. When the presence sensor 6 detects the presence of a person, the presence sensor 6 transmits a presence determination signal to the control circuit 5d. When the presence sensor 6 does not detect the presence of a person, the presence sensor 6 transmits a presence determination signal to the control circuit 5d. The control circuit 5d transmits the presence determination signal or the absence determination signal to the lighting circuit 3 and the wireless communication module 4 with the same command using a common communication protocol. Thereby, it is possible to control the lighting of the LED module 2 according to the presence or absence of a person and to perform lighting control by wireless communication with other lighting fixtures. The human sensor 6 determines that the person is absent if the presence of the person is not detected for a predetermined time after the presence of the person is detected.

Embodiment 3
FIG. 9 is a diagram showing a control module according to Embodiment 3 of the present invention. The command circuit 5e is composed of an illuminance sensor 7. The illuminance sensor 7 detects the brightness of the external state and transmits a signal to the control circuit 5d. The control circuit 5d transmits a signal corresponding to brightness to the lighting circuit 3 and the wireless communication module 4 with the same command using a common communication protocol. Thereby, lighting control of the LED module 2 according to the brightness of an external state can be carried out, and lighting control can be performed through wireless communication with other lighting fixtures.

Embodiment 4
FIG. 10 shows a control module according to Embodiment 4 of the present invention. The command circuit 5 e is composed of a light receiving element 8. The user transmits setting values for the brightness, lighting time, and extinguishing time of the lighting fixture 1 using the remote controller 9. 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 using a common communication protocol. Thereby, lighting control of the LED module 2 according to a user's instruction | indication and wireless communication with another lighting fixture can be carried out, and lighting control can be carried out.

Embodiment 5
FIG. 11 is a diagram illustrating a control module according to Embodiment 5 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 using a common communication protocol. Thereby, lighting control of the LED module 2 according to a user's instruction | indication and wireless communication with another lighting fixture can be carried out, and lighting control can be carried out. The stepwise signal of the switch 10 is used, for example, at the time of step dimming that changes the brightness stepwise, and the lighting circuit 3 receives this signal and changes the brightness of the LED module 2 stepwise.

Embodiment 6
FIG. 12 is a diagram showing an illumination system according to Embodiment 6 of the present invention. The lighting system according to the present embodiment includes at least two or more lights having the lighting device 1 of any one of the first to fifth embodiments as a master and another lighting device 11 wirelessly communicating with the master lighting device as a slave. Provide equipment.

  FIG. 13 is a perspective view showing a slave lighting fixture. 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 other lighting devices. Have.

  FIG. 14 is a diagram illustrating a communication route of a slave lighting fixture. When 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, 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 lighting fixtures 1 and 11 perform wireless communication with each other by the wireless communication modules 4 and 14, and the lighting fixture 1 serves as a master and the lighting fixtures 11 serve as slaves and are controlled to be lit. 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 this embodiment will be described in comparison with a comparative example. FIG. 15 is a diagram illustrating 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 signal lines. 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 through the light source in accordance with the PWM signal. However, the wiring work of the signal line connecting the lighting control device 15 and the plurality of lighting fixtures 16 is very complicated. On the other hand, since the master lighting fixture 1 is provided in the present embodiment, it is not necessary to attach the lighting control device 15. Further, since the lighting fixtures 1 and 11 perform wireless communication with each other, no wiring work is required.

  FIG. 16 is a diagram showing a modification of the lighting system according to Embodiment 6 of the present invention. One slave lighting device 11 can wirelessly communicate with the master lighting device 1 and the other slave lighting devices 11, and the slave lighting device 11 wirelessly communicating with the master lighting device 1 is disposed in the vicinity. Wireless communication with the other slave lighting fixtures 11 performed. Accordingly, the master lighting device 1 communicates wirelessly with the other slave lighting devices 11 via one slave lighting device 11. As a result, the number of slave lighting fixtures 11 controlled by the master lighting fixture 1 is increased, and lighting control of a wider space can be performed.

DESCRIPTION OF SYMBOLS 1,11 Lighting fixture, 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 human sensor, 7 Illuminance sensor, 8 light receiving elements, 10 switches

Claims (8)

A light source;
A lighting circuit for controlling lighting of the light source;
A wireless communication module that wirelessly communicates with other lighting fixtures;
First and second terminals, which are serial ports connected to the lighting circuit and the wireless communication module, respectively, and a command of a user or an external state are received, and the command is sent to the lighting circuit and the wireless communication module. A control module having a command circuit to transmit,
The control module communicates with the lighting circuit and the wireless communication module with the same command of a common protocol.   The lighting apparatus according to claim 1, wherein the command circuit includes a human sensor.   The lighting apparatus according to claim 1, wherein the command circuit includes an illuminance sensor.   The lighting apparatus according to claim 1, wherein the command circuit includes a light receiving element that receives a command from the user.   The lighting apparatus according to claim 1, wherein the command circuit is configured by a switch to which the user inputs a command. The first terminal of the control module is configured with the same interface as the terminal of the wireless communication module,
The lighting device according to claim 1, wherein the second terminal of the control module is configured by the same interface as a terminal of the lighting circuit.   It comprises at least two or more lighting fixtures having the lighting fixture according to any one of claims 1 to 6 as a master and other lighting fixtures wirelessly communicating with the master lighting fixture as slaves. Lighting system.   The lighting system according to claim 7, wherein the master lighting fixture wirelessly communicates with another slave lighting fixture via the one slave lighting fixture.

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