JP6675089B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture, and more particularly to a lighting fixture capable of wireless communication.

  In recent years, remote control of a lighting fixture may be performed by wireless communication in order to save energy and improve user convenience.

  As a lighting device of this type, a structure including a device main body, a first housing, and a second housing is known (for example, Patent Document 1).

  In the lighting fixture of Patent Literature 1, the fixture main body has a light source. The first housing is configured to cover a power supply circuit that supplies power to the light source. The second housing is disposed outside the first housing. The second housing is configured to cover an antenna unit that transmits or receives a radio signal.

  It is said that the lighting fixture of Patent Literature 1 can easily ensure transmission performance or reception performance even when the antenna unit is embedded in a structure.

JP 2015-37042 A

  By the way, in a lighting fixture, a structure with higher workability is required, and the configuration of Patent Document 1 described above is not sufficient, and further improvement is required.

  An object of the present invention is to provide a lighting fixture capable of improving workability.

The lighting fixture of the present invention includes a light source unit, a main body unit, a frame, a power supply device, and a wireless communication device. The light source section is disposed on the main body section. The main body is thermally coupled to the light source. The frame controls light distribution of light from the light source unit. The power supply supplies power to the light source unit. The wireless communication device is configured to perform wireless communication using radio waves as a medium. The frame has a reflector and a flange. The reflector is formed in a cylindrical outer shape. The reflector is provided on the main body so as to surround the light source. The flange is provided along an edge of the reflector on a side of the reflector opposite to the main body. The wireless communication device is provided separately from the power supply device. The wireless communication device is disposed on the back side of the frame. The wireless communication device is arranged such that, when viewed from the front of the frame, the projection on the frame is inside the outer peripheral edge of the flange. The wireless communication device is characterized in that, when viewed from the front of the frame, the projection on the frame is disposed outside the outer edge of the main body.

  The lighting fixture of the present invention can have higher workability.

FIG. 2 is an exploded perspective view showing the lighting fixture of the first embodiment. FIG. 2 is a partially broken front view illustrating the lighting fixture of the first embodiment. FIG. 2 is a side view showing the lighting fixture of the first embodiment. It is a perspective view on the back side showing the lighting fixture of Embodiment 1. FIG. 2 is a front perspective view illustrating the lighting fixture of the first embodiment. FIG. 2 is an exploded perspective view illustrating a main part of the lighting fixture of the first embodiment. FIG. 2 is a circuit diagram illustrating the lighting fixture of the first embodiment. It is a perspective view explaining the lighting fixture of Embodiment 2.

(Embodiment 1)
Hereinafter, the lighting fixture 10 of the present embodiment will be described with reference to FIGS. 1 to 7. In the drawings, the same members are denoted by the same reference numerals, and redundant description will be omitted. The size and positional relationship of members illustrated in each drawing may be exaggerated for clarity of description. In the following description, each element constituting the present embodiment may be configured such that a plurality of elements are configured by one member and one member also serves as a plurality of elements, or the function of one member is defined by a plurality of members. It may be realized by sharing with members.

  As shown in FIGS. 1 to 5, the lighting fixture 10 of the present embodiment includes a light source unit 1, a main body 2, a frame 3, a power supply device 4, and a wireless communication device 5. The light source unit 1 is disposed in the main body 2. The main body 2 is thermally coupled to the light source 1. The frame 3 controls the light distribution of the light from the light source unit 1. The power supply 4 supplies power to the light source unit 1. The wireless communication device 5 is configured to perform wireless communication using radio waves as a medium.

  The frame 3 has a reflector 3a and a flange 3b. The reflector 3a is formed in a cylindrical outer shape. The reflector 3 a is provided on the main body 2 so as to surround the light source 1. The flange 3b is provided along the edge of the reflector 3a on the opposite side of the reflector 3a from the main body 2. The wireless communication device 5 is provided separately from the power supply device 4. As shown in FIG. 2, the wireless communication device 5 is arranged such that, when viewed from the front of the frame 3, the projection on the frame 3 is inside the outer peripheral edge 3 uu of the flange 3 b. The wireless communication device 5 is arranged such that the projection on the frame 3 is located outside the outer edge 2uu of the main body 2 when the frame 3 is viewed from the front. In FIG. 2, the main body 2 and the wireless communication device 5 are illustrated by broken lines.

  In the lighting device 10 of the present embodiment, the wireless communication device 5 is arranged such that the projection to the flange 3b is inside the outer peripheral edge 3uu of the frame 3 and outside the outer edge 2uu of the main body 2. Therefore, the workability can be further improved.

  Hereinafter, the lighting fixture 10 of the present embodiment will be described in more detail. The lighting fixture 10 of the present embodiment constitutes a downlight. The lighting fixture 10 includes a mounting member 6, a power supply line 7, and a mounting spring 8 in addition to the light source 1, the main body 2, the frame 3, the power supply 4, and the wireless communication device 5.

  As shown in FIG. 1, the light source unit 1 includes a light emitting unit 1a and a mounting board 1b. The light emitting unit 1a has a plurality of LED (Light Emitting Diode) chips and a sealing unit 1a1 that covers the plurality of LED chips. As the LED chip, a blue LED chip capable of emitting blue light is used. The sealing portion 1a1 is formed of a light-transmitting material. As the translucent material of the sealing portion 1a1, for example, a silicone resin, an epoxy resin, glass, or the like is used.

  In the light emitting section 1a, a phosphor is mixed in the material of the sealing section 1a1. As the phosphor, a yellow phosphor that emits yellow light when excited by blue light emitted from a blue LED chip is used. The light emitting unit 1a can emit white light by mixing the blue light emitted from the blue LED chip and the yellow light emitted from the yellow phosphor. The light emitting section 1a may have a configuration including one LED chip as well as a configuration including a plurality of LED chips. In the light emitting section 1a, the material of the sealing section 1a1 may not be mixed with the phosphor.

  The mounting board 1b has an outer shape of a rectangular flat plate. On the mounting substrate 1b, a wiring portion having a predetermined shape is formed. The mounting substrate 1b has a plurality of LED chips arranged at equal intervals in the center. The wiring portion and the LED chip of the mounting substrate 1b are electrically connected by solder. In the mounting board 1b, a plurality of LED chips are electrically connected in series by a wiring portion. The mounting substrate 1b is not limited to a configuration in which a plurality of LED chips are electrically connected in series, but may be a configuration in which the LED chips are connected in parallel, or a configuration in which a plurality of LED chips are connected in series and parallel. Except for the mounting surface of the LED chip, the mounting substrate 1b is provided with an insulating protective film for mechanically protecting the wiring portion. The protective film can be formed of a synthetic resin containing a light diffusing material. The protective film can prevent light emitted from the light emitting unit 1a from being absorbed by the mounting substrate 1b. A printed wiring board is used for the mounting board 1b. The mounting substrate 1b is not limited to a printed wiring board, and for example, a ceramic substrate, a metal-based printed wiring board, or the like may be used. The light source unit 1 is mounted on the main body 2 such that the side of the mounting substrate 1b opposite to the mounting surface of the LED chip is in contact with the main body 2.

  The main body 2 includes a base 2a, a pair of connection terminals 2b, a pair of terminal covers 2c, a mounting frame 2d, a reflector 2e, and a lens 2f. The base 2a includes a bottom 2g, a wall 2h, and a plurality of fins 2j. The bottom 2g has a disk-like outer shape. The bottom 2g includes a recess 2ga having a hollow central portion, and a protrusion 2gb projecting from the recess 2ga. The protrusion 2gb is configured such that the mounting board 1b can be mounted thereon. The wall 2h has a cylindrical outer shape. The wall 2h is provided along the outer periphery of the bottom 2g. The fin 2j is provided on the second surface 2ab of the bottom 2g opposite to the first surface 2aa on which the light source unit 1 is arranged. The fin 2j has a flat outer shape. The fin 2j is provided so as to rise from the second surface 2ab of the bottom 2g. The plurality of fins 2j are provided at predetermined intervals. The base 2a can radiate the heat generated in the light source unit 1 to the outside via the fins 2j.

  The base 2a is made of aluminum die-cast. The base 2a is not limited to the configuration using aluminum. The base 2a may be formed of, for example, a metal material such as copper or stainless steel as a material having higher thermal conductivity than resin.

  The connection terminal 2b is formed in an L-shaped outer shape when viewed from the front. The connection terminal 2b has one end 2ba electrically connected to the light source unit 1 and the other end 2bb opposite to one end electrically connected to the power supply line 7. The connection terminal 2b is covered with a terminal cover 2c except for one end 2ba and the other end 2bb. The terminal cover 2c has a long external shape, and has a screw hole 2ca at an end. The terminal cover 2c is screwed to the base 2a by a fixing screw 2k inserted into the screw hole 2ca via the mounting frame 2d. The connection terminal 2b is configured such that the one end 2ba presses the mounting board 1b against the protrusion 2gb so that the light source 1 can be sandwiched between the one end 2ba and the main body 2. .

  The mounting frame 2d includes a frame portion 2da and a pair of hooks 2db. The frame portion 2da is formed in a long flat plate shape. The frame 2da has an opening 2dc in the center, and has a frame-like outer shape. The frame 2da is formed so that the light source 1 can be exposed to the outside through the opening 2dc. The hook claw 2db is provided so as to project in the thickness direction of the frame 2da. The pair of hooking claws 2db are provided on both sides in the longitudinal direction of the frame 2da. The hook 2db is formed so as to be elastically deformable. The mounting frame 2d is formed of a resin material. In the attachment frame 2d, a frame 2da and a hook 2db are integrally formed. The attachment frame 2d is configured to be able to hook the reflection plate 2e by the hook 2db.

  The reflection plate 2e includes a base 2m, an outer peripheral wall 2n, an inner peripheral wall 2p, and a protruding portion 2q. The reflecting plate 2e is formed so as to cover the bottom 2g of the main body 2 to which the light source 1 is fixed. The base 2m has an annular flat outer shape. The outer peripheral wall 2n has a cylindrical outer shape. The outer peripheral wall 2n is provided along the outer periphery of the ring in the base 2m. The outer peripheral wall 2n is provided so as to protrude in the thickness direction of the base 2m. The inner peripheral wall 2p is provided along the inner periphery of the ring in the base 2m. The inner peripheral wall 2p is provided so as to protrude on the side opposite to the outer peripheral wall 2n in the base 2m. The inner peripheral wall 2p is provided with a window hole 2ea whose opening area gradually increases as the distance from the light source unit 1 increases, along the optical axis direction of the light source unit 1. The window hole 2ea is configured so that the light emitting unit 1a of the light source unit 1 can be exposed. The protruding portion 2q is provided so as to protrude to the side opposite to the outer peripheral wall 2n along the thickness direction of the base 2m. The protruding portion 2q has a flat outer shape. Two protrusions 2q are provided along the outer circumference of the base 2m of the ring. The protruding portion 2q has a hooking hole 2qa penetrating in the thickness direction. The hook hole 2qa is formed so that the hook 2db of the mounting frame 2d can be hooked. The outer peripheral wall 2n is provided with a pair of holding claws 2r so as to face each other along the peripheral portion. The holding claw 2r is formed so as to be elastically deformable in the thickness direction of the outer peripheral wall 2n.

  The reflecting plate 2e has a base 2m, an outer peripheral wall 2n, an inner peripheral wall 2p, a protruding portion 2q, and a holding claw 2r formed integrally. The reflection plate 2e is formed of a thermoplastic resin. For the reflection plate 2e, for example, a polybutylene terephthalate resin can be used as a thermoplastic resin. The reflecting plate 2e may include a thermoplastic resin containing a white pigment.

  The lens 2f has a disk-shaped lens body 2fa and an annular peripheral wall 2fb. The lens body 2fa has a plurality of lens portions 2fc arranged in a front view. The lens unit 2fc is formed so that light from the light source unit 1 can be collected and diffused. The lens portion 2fc is formed to constitute a convex lens, a concave lens, a Fresnel lens, or the like. The peripheral wall portion 2fb is provided in a cylindrical shape along the outer periphery of the lens body 2fa. The peripheral wall portion 2fb has a claw hole portion 2fd. The claw hole 2fd is formed so that the holding claw 2r of the reflection plate 2e can be hooked. The lens 2f is detachably attached to the reflection plate 2e by hooking the holding claw 2r in the claw hole 2fd. The lens 2f is formed so as to be accommodated in a region surrounded by the base 2m of the reflector 2e and the outer peripheral wall 2n. The lens 2f is arranged so as to cover the light source unit 1. The lens 2f can emit light from the light source unit 1 so as to obtain predetermined alignment characteristics.

  In the lens 2f, a lens body 2fa and a peripheral wall 2fb are integrally formed. The lens 2f is entirely translucent. Examples of the material of the lens 2f include a resin material such as a polycarbonate resin, an acrylic resin, and a polybutylene terephthalate resin, and glass. When the lens 2f is formed using a resin material, it can be formed by injection molding or the like.

  The frame 3 includes a frame body 3c and a holder 3d in addition to the reflector 3a and the flange 3b. The reflector 3a is formed such that the opening diameter increases along the optical axis of the light source 1 as the distance from the main body 2 increases. The reflector 3a has an exposure hole 3aa that exposes the lens 2f. The reflector 3a can control the light distribution of the light emitted from the light source unit 1. The reflector 3a is configured to reflect light emitted from the light source unit 1 to obtain a predetermined light distribution. The reflector 3a can cut a part of the light emitted from the light source unit 1 so that the spread angle of the light from the light source unit 1 is within a predetermined range.

  As shown in FIG. 2, the flange portion 3b has an outer shape of an annular flat plate when viewed from the front. The flange 3b is provided so as to spread outward from the distal end edge of the reflector 3a. The flange portion 3b has a protruding piece 3e protruding toward the exposure hole 3aa in a front view. The protruding piece 3e has a transmission hole 3ea penetrating in the thickness direction. The transmission hole 3ea is provided corresponding to the wireless communication device 5. The protruding piece 3e is provided with a cover body 3f so as to cover the transmission hole 3ea. The cover 3f is configured to transmit infrared rays. As a material of the cover 3f, for example, a polyethylene resin or an acrylic resin can be used.

  The frame body 3c has a cylindrical outer shape. The frame body 3c is formed so as to surround the lens 2f and the reflection plate 2e. The frame main body 3c is attached to the main body 2 on the side opposite to the reflector 3a by a screw 3k, as shown in FIGS.

  The holder 3d is provided along the outer periphery of the reflector 3a so as to straddle the flange 3b and the reflector 3a. The holding portion 3d is formed so as to be able to hold the mounting spring 8. The holding portion 3d is configured so that one end 8a of the mounting spring 8 can be inserted.

  The frame 3 has a reflector 3a, a flange 3b, a frame main body 3c, and a holder 3d integrally formed. As the material of the frame 3, for example, a metal material such as aluminum or stainless steel can be used. The material of the frame 3 is not limited to a metal material, and various resin materials may be used.

  The power supply device 4 includes a power supply unit 4a, a terminal block 4b, and a housing 4c. The power supply unit 4 a is configured to be able to supply appropriate power to the light source unit 1 via the power supply line 7. The power supply unit 4a forms a lighting circuit that controls lighting of the light source unit 1. The power supply unit 4a is electrically connected to the wireless communication device 5. The power supply unit 4a is configured to be able to control lighting of the light source unit 1 based on a control signal from the wireless communication device 5.

  As shown in FIG. 7, the power supply unit 4a includes an input connector 4d, a filter circuit 4e, a rectifier 4f, a booster circuit 4g, a step-down circuit 4h, and an output connector 4i. The power supply unit 4a includes a main control circuit 4j, a control power supply circuit 4k, a dimming control circuit 4m, a light-off control circuit 4n, and a control connector 4p.

  The input connector 4d is electrically connected to the external power supply 40 via the terminal block 4b. The filter circuit 4e includes a common mode choke coil 4e1 and an across-the-line capacitor 4e2. The rectifier 4f is configured by a diode bridge. The rectifier 4f is electrically connected to an external power supply 40 and an AC input terminal via a filter circuit 4e and an input connector 4d. The rectifier 4f is configured to be able to perform full-wave rectification of an AC voltage / AC current supplied from the external power supply 40 and output the rectified output from a DC output terminal.

  The booster circuit 4g includes a choke coil L1, a first switch element Q1, a first rectifier D1, and a first smoothing capacitor C1. The booster circuit 4g includes a choke coil L1, a first switch element Q1, a first rectifier element D1, and a first smoothing capacitor C1 to constitute a booster chopper circuit. The booster circuit 4g boosts the pulsating voltage output from the rectifier 4f. The step-down circuit 4h includes a second switch element Q2, an inductor L2, a second rectifier element D2, a first resistor R1, and a second smoothing capacitor C2. The step-down circuit 4h includes a step-down chopper circuit including the second switch element Q2, the inductor L2, the second rectifier element D2, the first resistor R1, and the second smoothing capacitor C2. The step-down circuit 4h steps down the DC voltage output from the step-up circuit 4g. As the output connector 4i, a receptacle connector is used. The output connector 4i is electrically connected to an output terminal of the step-down circuit 4h.

  The main control circuit 4j is configured to switch the first switch element Q1 so as to maintain the output voltage of the booster circuit 4g constant. The main control circuit 4j is configured to switch the second switch element Q2 so that the output current of the step-down circuit 4h matches a predetermined target value. The control power supply circuit 4k is configured to generate operating power of the main control circuit 4j from the output voltage of the booster circuit 4g.

  As the control connector 4p, a receptacle connector is used. The control connector 4p is electrically connected to the wireless communication device 5. In the power supply unit 4a, a control signal output from the wireless communication device 5 is input to the dimming control circuit 4m and the extinguishing control circuit 4n.

  The light-off control circuit 4n is configured to generate a light-off signal for turning off the light source unit 1 according to the control signal, and to output the signal to the main control circuit 4j. When receiving the light-off signal, the main control circuit 4j stops the switching of the second switch element Q2, stops the step-down circuit 4h, and turns off the light source unit 1.

  The dimming control circuit 4m is configured to generate a dimming signal instructing the dimming level of the light source unit 1 according to the control signal and output the generated dimming signal to the main control circuit 4j. The main control circuit 4j is configured to adjust the on-duty ratio of the second switch element Q2 according to the dimming signal received from the dimming control circuit 4m. The dimming control circuit 4m detects the output current of the step-down circuit 4h from the voltage across the first resistor R1, and generates a dimming signal so that the average value of the output current matches the target value corresponding to the dimming level. I do.

  The terminal block 4b is configured to be able to supply power from the external power supply 40 to the power supply unit 4a. The terminal block 4b is configured to be electrically connected to, for example, a commercial AC power supply as the external power supply 40.

  The housing portion 4c is formed in a long box shape as shown in FIGS. 1, 3, 4, and 5. The housing part 4c is configured so that the power supply unit 4a can be housed inside. The terminal block 4b is arrange | positioned at the one end side of the longitudinal direction of the housing part 4c. The housing part 4c is configured so that the power supply unit 4a and the terminal block 4b can be fixed. The power supply device 4 is configured separately from the main body 2 so that the housing 4c that houses the power supply unit 4a can be disposed away from the main body 2. The housing portion 4c is formed by punching and bending a metal plate.

  As shown in FIG. 6, the wireless communication device 5 includes a communication unit 5a, a housing case 5b, and an electric wire 5c. The communication unit 5a includes a circuit board 5d and a circuit cover 5e.

  The communication unit 5a is configured to perform wireless communication. The communication unit 5a has an antenna unit 5f and a communication circuit unit 5g. The antenna unit 5f and the communication circuit unit 5g are formed on a circuit board 5d. The antenna unit 5f is configured to be able to receive at least a radio wave. The antenna unit 5f may be configured to be able to transmit radio waves. The antenna unit 5f is electrically connected to the communication circuit unit 5g. The communication circuit unit 5g is configured such that electronic components such as a crystal oscillator and a microcomputer are mounted on a circuit board 5d, and can receive and transmit radio waves. The communication circuit unit 5g includes a light receiving element 5ka for receiving infrared rays, in addition to electronic components for transmitting and receiving radio waves. The communication circuit unit 5g is covered with a circuit cover 5e on the circuit board 5d.

  The circuit board 5d has a flat outer shape. The circuit board 5d is formed of a printed wiring board. The circuit board 5d is configured to be able to input a communication signal received by the antenna unit 5f to the communication circuit unit 5g. The circuit board 5d is configured to emit a communication signal output by the communication circuit unit 5g to the outside from the antenna unit 5f.

  The antenna portion 5f can be formed using, for example, a conductor having a predetermined shape on the circuit board 5d. Examples of the conductor having a predetermined shape include a detour wiring formed by bending a conductor. The antenna portion 5f may be provided and formed on only one surface in the thickness direction of the circuit board 5d, or may be provided and formed on both surfaces. That is, the antenna section 5f is formed in a flat plate shape. The antenna section 5f is not limited to the configuration formed using the conductor of the circuit board 5d, and may be a configuration formed separately from the circuit board 5d.

  The circuit cover 5e has an outer shape of a bottomed rectangular tube. The circuit cover 5e is formed of a metal material that shields radio waves. As the metal material of the circuit cover 5e, for example, stainless steel, copper, aluminum, or the like can be used. The circuit cover 5e can be formed by punching and bending a flat metal plate.

  The storage case 5b includes a lid 5ba and a case body 5bb. The lid 5ba includes an antenna housing 5bf, a flat plate 5bg, and a leg 5bh. The flat portion 5bg has a rectangular flat outer shape. The antenna housing 5bf is provided so as to rise from one surface of the flat plate 5bg. The antenna housing 5bf is configured to be able to house the antenna 5f. The antenna accommodating portion 5bf is provided such that the longitudinal direction is parallel to the longitudinal direction of the flat plate portion 5bg in a front view. The leg 5bh protrudes from the flat plate 5bg on the side opposite to the antenna housing 5bf. The leg 5bh is provided with a claw 5bj at the tip protruding from the flat plate 5bg. The pair of leg portions 5bh are arranged so as to oppose each other in the longitudinal direction of the rectangular flat plate portion 5bg. The leg 5bh is provided along each side in the short direction of the rectangular flat plate 5bg. The leg 5bh has elasticity so that it can bend with respect to the flat plate 5bg in the direction opposite to the direction in which the claw 5bj projects.

  The lid 5ba is provided with a through hole 5fa penetrating in the thickness direction of the flat plate portion 5bg. The through-hole 5fa is disposed at one end in the longitudinal direction of the antenna housing 5bf in a front view of the flat plate portion 5bg. The through hole 5fa is provided so as to be able to face the light receiving portion 5kb of the light receiving element 5ka. The lid 5ba is configured so that the light receiving element 5ka can receive an infrared signal through the through hole 5fa. The lid 5ba has a protrusion 5bs protruding from the flat plate portion 5bg to the antenna housing 5bf on the side opposite to the through hole 5fa in the longitudinal direction of the antenna housing 5bf.

  The case body 5bb includes a rectangular bottom wall 5b1, a pair of first side walls 5b2, and a pair of second side walls 5b3. The pair of first side wall portions 5b2 are provided facing each other along the longitudinal direction of the bottom wall portion 5b1 so as to rise from the bottom wall portion 5b1. The pair of second side walls 5b3 are provided facing each other along the short direction of the bottom wall 5b1 so as to rise from the bottom wall 5b1. The case main body 5bb is formed in a box shape having an opening with one surface opened by a rectangular bottom wall portion 5b1, a pair of first side wall portions 5b2, and a pair of second side wall portions 5b3. The case main body 5bb includes a travel section 5b4 that projects outward from the second side wall 5b3 along the longitudinal direction of the bottom wall 5b1. The business trip section 5b4 includes a fixed section 5br. A screw hole is formed in the fixing portion 5br.

  One of the pair of first side wall portions 5b2 is provided with a cutout portion 5bn provided so as to be cut out from the opening side of the case body 5bb. The notch 5bn is configured so that an electric wire 5c, one end of which is electrically connected to the circuit board 5d, can be led out of the case body 5bb.

  On one of the pair of second side wall portions 5b3, a pair of ribs 5bk sandwiching one end of the circuit board 5d is provided so as to protrude from the bottom wall portion 5b1. The other of the pair of second side wall portions 5b3 is provided with a groove portion 5bm for accommodating the other end of the circuit board 5d. The case body 5bb is configured to be able to hold the communication circuit section 5g side of the circuit board 5d by using the rib 5bk and the groove 5bm. The pair of second side wall portions 5b3 include an engagement groove 5bu. The engagement groove 5bu is formed so as to be able to engage with the claw portion 5bj of the lid 5ba.

  The housing 5b is covered with a lid 5ba so as to close the opening of the case main body 5bb, and the claws 5bj of the legs 5bh are engaged with the engaging grooves 5bu, thereby fixing the lid 5ba and the case main body 5bb. be able to. In the housing case 5b, the circuit board 5d is arranged so that the antenna unit 5f can be housed in the lid 5ba and the communication circuit unit 5g can be housed in the case body 5bb. In the housing case 5b, the lid 5ba and the case body 5bb are formed of a material that transmits radio waves. As a material of the housing case 5b, for example, a synthetic resin such as a polycarbonate resin, an epoxy resin, a polyester resin, and a polyimide resin can be used.

  The electric wire 5c is provided with a plug connector 5ca at the other end opposite to one end. The electric wire 5c is connected to the communication circuit unit 5g and the power supply unit 4a so that the dimming signal generated by the communication circuit unit 5g can be output to the power supply device 4 based on a radio signal using the radio wave received by the antenna unit 5f as a medium. And are electrically connected.

  As shown in FIG. 7, the communication circuit unit 5g includes a wireless communication circuit 5h, a wireless control circuit 5j, an optical communication circuit 5k, a photocoupler 5m, a second resistor R2, a third resistor R3, and a signal output. 5n.

  The wireless communication circuit 5h acquires a control command from a wireless signal using a radio wave received by the antenna unit 5f as a medium. The wireless signal is transmitted from a wireless device provided outside lighting device 10. As the radio signal, for example, a 920 MHz band radio wave is used. The wireless signal using a radio wave as a medium includes a control command for controlling the lighting and extinguishing of the lighting apparatus 10 and the dimming level. The wireless communication circuit 5h outputs a control command obtained from the wireless signal to the wireless control circuit 5j. The wireless communication circuit 5h acquires not only the control command from the wireless signal received by the antenna unit 5f but also the identification information of the transmission source wireless device, and outputs the information to the wireless control circuit 5j.

  The wireless control circuit 5j is configured to output a control signal corresponding to the control command acquired from the wireless communication circuit 5h. The wireless control circuit 5j generates a control signal for transmitting the control command received from the wireless communication circuit 5h. For example, when the generated control signal is a pulse width modulation signal, the wireless control circuit 5j is configured to decrease the duty ratio as the dimming level of the control command decreases. The wireless control circuit 5j can be configured using a microcomputer or the like. The microcomputer has a built-in memory 5ja. If the identification information received from the wireless communication circuit 5h matches the identification information stored in the memory 5ja in advance, the wireless control circuit 5j generates a control signal. If the identification information received from the wireless communication circuit 5h does not match the identification information stored in the memory 5ja, the wireless control circuit 5j discards the control command received from the wireless communication circuit 5h and does not generate a control signal. The wireless control circuit 5j is configured to accept only a control command transmitted from a specific wireless device in which identification information is registered in advance, even if the wireless communication circuit 5h can receive wireless signals from a plurality of wireless devices. Have been.

  The wireless control circuit 5j is electrically connected to a pair of signal lines through which control signals are transmitted. The input terminal of the photocoupler 5m and the current limiting second resistor R2 are electrically connected in series to the wireless control circuit 5j.

  The signal output unit 5n is electrically connected to the control connector 4p of the power supply unit 4a via the electric wire 5c. As the electric wire 5c, a shielded wire can be used. The shield wire is formed in a structure in which a thin conductive wire or a metal foil is wrapped around a covered conductive wire. The shield wire is configured so that an external conductor or a metal foil can be set to the ground potential and a communication signal can flow through the internal conductor. The electric wire 5c includes a first electric wire 5c1, a second electric wire 5c2, and a third electric wire 5c3 shown in FIG. The first electric wire 5c1 electrically connects the negative output terminal of the photocoupler 5m to the ground of the power supply unit 4a. The second electric wire 5c2 electrically connects one end of the third resistor R3 to the output terminal of the control power supply circuit 4k. The third electric wire 5c3 electrically connects a connection point between the other end of the third resistor R3 and the output terminal on the positive side of the photocoupler 5m to the dimming control circuit 4m and the extinguishing control circuit 4n.

  A constant control power supply voltage is always applied to the series circuit of the third resistor R3 and the phototransistor from the power supply unit 4a via the electric wire 5c. The photocoupler 5m sends a control signal that goes low when the input voltage from the wireless control circuit 5j is high and goes high when the input voltage is low to the dimming control circuit 4m and the light-off control circuit 4n. Can output.

  The optical communication circuit 5k is configured to perform infrared communication using infrared as a medium. The optical communication circuit 5k includes a light receiving element 5ka. The light receiving element 5ka can be configured by a photodiode or a phototransistor. The optical communication circuit 5k is configured to receive an infrared signal with the light receiving element 5ka and output an acquisition signal acquired from the received infrared signal to the wireless control circuit 5j. The acquisition signal includes, for example, unique identification information assigned to the remote controller that is the source of the infrared signal, and a control command for controlling the light output of the lighting apparatus 10. The wireless control circuit 5j is configured to be able to store the acquired signal received from the optical communication circuit 5k in the memory 5ja.

  When a plurality of lighting fixtures 10 are grouped in advance, the wireless communication device 5 is configured to receive a wireless signal to be controlled for each group. The lighting devices 10 that are grouped can perform dimming control based on a wireless signal using a radio wave received by the wireless communication device 5 as a medium. Each of the plurality of lighting fixtures 10 is configured to be able to adjust the light output emitted from the light source unit 1 of each lighting fixture 10 using an infrared signal. The lighting fixture 10 can be configured to receive an infrared signal radiated from an external remote controller, for example, so that the light output of each of the lighting fixtures 10 can be set. The lighting fixture 10 can be configured such that identification information for discriminating each of the plurality of lighting fixtures 10 is set by an infrared signal emitted from the remote controller.

  The mounting member 6 includes a mounting piece 6a, a connecting piece 6b, and a holding piece 6c, as shown in FIGS. The mounting piece 6a has the shape of a long flat plate. The mounting piece 6a is formed such that one side edge 6aa in the longitudinal direction is cut out in an arc shape along the outer periphery of the frame body 3c in a front view. The attachment piece 6a has first through holes 6ac penetrating in the thickness direction at both ends in the longitudinal direction. The attachment piece 6a is attached to the frame 3 by an attachment screw 6k inserted into the first through hole 6ac. The mounting piece 6a is formed in a concave outer shape so that the other side edge 6ab opposite to the one side edge 6aa is cut out in a rectangular shape in a front view. The connecting piece 6b is provided on the mounting piece 6a so as to rise from the other side edge 6ab side along the thickness direction of the mounting piece 6a. The mounting piece 6a has a pair of connecting pieces 6b provided on both sides in the longitudinal direction. The connecting piece 6b is provided with a holding piece 6c on the side opposite to the mounting piece 6a. The holding piece 6c has an external shape of a long flat plate. The holding piece 6c has an opening 6cc penetrating in the thickness direction at the center in the longitudinal direction. The opening 6cc is formed in a long rectangular shape along the longitudinal direction of the holding piece 6c. The opening 6cc is formed so that the antenna housing 5bf of the wireless communication device 5 can be inserted. The holding piece 6c has second through holes 6cb penetrating in the thickness direction at both ends in the longitudinal direction. The holding piece 6c can hold the wireless communication device 5 in a state where the antenna housing portion 5bf is arranged from the opening 6cc toward the flange portion 3b by the holding screw 6r inserted into the second through hole 6cb. It is configured. The mounting member 6 is integrally formed with a mounting piece 6a, a connecting piece 6b, and a holding piece 6c. The attachment member 6 is formed by stamping a metal plate and stamping.

  The mounting spring 8 has a long plate-like outer shape. The mounting spring 8 is formed in an L shape in a side view. The mounting spring 8 is configured such that one end 8a in the longitudinal direction is held by the holding portion 3d. The mounting spring 8 is formed by punching and bending a metal plate.

  Hereinafter, the construction work of the lighting fixture 10 will be briefly described with reference to FIG.

  In the construction work, first, the power cable 51 from the commercial AC power supply and the terminal block 4b are electrically connected. In the installation work, the power supply device 4 is inserted from the mounting hole 50aa provided in the ceiling material 50 so that the power supply device 4 electrically connected to the power cable 51 is placed on the ceiling material 50 as a construction material.

  Next, in the construction work, the other end 8b of the mounting spring 8 whose one end 8a is held by the frame 3 is pushed down so that the other end 8b opposite to the one end 8a approaches the frame main body 3c. Is inserted into the main body 2. In the lighting fixture 10, when the flange 3b of the frame 3 is pushed into the mounting hole 50aa until the flange 3b hits the periphery of the mounting hole 50aa of the ceiling material 50, the other end 8b of the mounting spring 8 opens in a direction away from the frame main body 3c. . In the lighting device 10, the other end 8b of the mounting spring 8 applies the elastic force of the mounting spring 8 to the periphery of the mounting hole 50aa, and the other end 8b of the mounting spring 8 and the flange 3b of the frame 3 are combined. By sandwiching the ceiling member 50, it is attached to the ceiling member 50.

  That is, in the lighting fixture 10 of the present embodiment, the main body 2 is embedded in the mounting hole 50aa provided in the ceiling material 50, and the back surface 3bb of the flange 3b is applied to the edge of the mounting hole 50aa in the ceiling material 50. To the ceiling material 50.

  By the way, in the lighting fixture for comparison with the present application, when the main body, the power supply device, and the wireless communication device are separately provided separately, the main body, the power supply device, and the wireless communication device are separately provided. In some cases, the work is time-consuming and time-consuming because the work is placed on the ceiling material. In particular, when a plurality of lighting fixtures are constructed, the construction work takes time and effort, and the workability may be reduced.

  In the lighting device 10 of the present embodiment, when viewed from the front of the frame 3, the wireless communication device 5 projects the projection to the frame 3 more inside than the outer edge 3 uu of the flange 3 b and more than the outer edge 2 uu of the main body 2. Since it is arranged so as to be on the outside, it can be easily inserted into the mounting hole 50aa.

  In the lighting device 10, the wireless communication device 5 is configured such that, when the frame 3 is viewed from the front, the projection on the frame 3 is inside the outer peripheral edge 3uu of the flange 3b and outside the outer edge 2uu of the main body 2. , The wireless communication device 5 and the main body 2 can be integrally constructed. The lighting fixture 10 can be installed easily because the wireless communication device 5 and the main body 2 side can be integrally formed during the construction work. Since the wireless communication device 5 and the main body 2 side of the lighting device 10 can be integrally constructed, the position of the wireless communication device 5 in the lighting device 10 is determined, and communication characteristics can be stabilized.

  In the lighting fixture 10 of the present embodiment, the wireless communication device 5 is formed separately from the power supply device 4. The wireless communication device 5 may include a crystal oscillator or the like, and when heated by the heat from the power supply device 4, the output radio wave may be weakened. Since the wireless communication device 5 is arranged at a position distant from the power supply device 4, it is possible to suppress a decrease in communication performance.

  In the lighting device 10 of the present embodiment, the wireless communication device 5 has a flat antenna portion 5f. In the wireless communication device 5, the antenna portion 5f is arranged to be inclined with respect to the flange portion 3b.

  In the lighting fixture 10, the antenna portion 5f of the wireless communication device 5 is arranged to be inclined with respect to the flange portion 3b, so that it is easy to receive a wireless signal passing through the ceiling member 50.

  In the lighting fixture 10 of the present embodiment, when the attachment member 6 holds the wireless communication device 5 on the frame 3, the attachment member 6 holds the wireless communication device 5 such that the antenna portion 5 f is sandwiched between the main body 2 and the connecting piece 6 b. By arranging, it is possible to suppress external force from being applied to the antenna section 5f. That is, the connecting piece 6b constitutes a guard part for mechanically protecting the antenna part 5f.

  In other words, in the lighting fixture 10 of the present embodiment, the wireless communication device 5 is attached to the frame 3 by the attachment member 6. The mounting member 6 has a guard portion for mechanically protecting the antenna portion 5f.

  In a lighting fixture, when there is no guard portion for mechanically protecting the antenna unit, there is a possibility that the antenna unit may hit a mounting hole in a worker or a ceiling material in a construction work. In the lighting fixture 10 of the present embodiment, since the mounting member 6 has the guard portion that mechanically protects the antenna portion 5f, it is possible to suppress the external force from being applied to the antenna portion 5f and changing the direction of the antenna portion 5f. can do. In the lighting device 10 of the present embodiment, the possibility that the communication performance is reduced by changing the direction of the antenna unit 5f can be suppressed. In the lighting fixture 10 of the present embodiment, it is possible to prevent the external force from being applied to the antenna unit 5f and causing the wireless communication device 5 to be damaged.

  In the lighting device 10 of the present embodiment, the wireless communication device 5 includes the light receiving element 5ka that performs infrared communication using infrared light as a medium. The frame 3 is provided with a transmission hole 3ea for transmitting infrared rays to the light receiving element 5ka.

  In the luminaire 10 of the present embodiment, the frame 3 is provided with the transmission hole 3ea for transmitting infrared rays to the light receiving element 5ka, so that the transmission hole 3ea is provided separately from wireless communication using a radio wave as a medium. Infrared communication can be performed via. The lighting device 10 can be reduced in size because the wireless communication device 5 that performs wireless communication and infrared communication using a radio wave as a medium and the main body 2 are integrally configured.

  In the lighting fixture 10 of the present embodiment, as shown in FIGS. 3 and 5, an electric wire 5 c derived from the wireless communication device 5 is interposed between the wireless communication device 5 and the main body 2.

  In the lighting fixture 10, since the electric wire 5c is sandwiched between the wireless communication device 5 and the main body 2, it can be used to stop the tension of the electric wire 5c. In the lighting fixture 10, the power supply device 4 and the wireless communication device 5 are formed separately. In particular, when the power supply device 4 and the wireless communication device 5 are electrically connected by the electric wire 5c, the power supply device 4 In the construction work, the tension applied to the electric wire 5c can be suppressed.

(Embodiment 2)
The lighting fixture 10 of the present embodiment shown in FIG. 8 has the same configuration as that of the first embodiment shown in FIG. 1, and differs mainly in the structure of the mounting member 6 for mounting the main body 2 and the wireless communication device 5. In the lighting fixture 10 of the present embodiment, the same components as those of the first embodiment are denoted by the same reference numerals, and the description will be appropriately omitted.

  In the lighting fixture 10 of the present embodiment, as shown in FIG. 8, the fins 2j of the main body 2 are provided so as to cover the wireless communication device 5. In the lighting fixture 10, the wireless communication device 5 is disposed between the fin 2j and the flange 3b in a side view. In the lighting device 10, the wireless communication device 5 is attached to the frame 3 by a flat attachment member 6.

  In the wireless communication device 5, when viewed from the front of the frame 3, the projection to the frame 3 is disposed inside the outer peripheral edge 3 uu of the flange 3 b, and the projection to the frame 3 is performed from the outer edge 2 uu of the main body 2. Is also attached to the main body 2 with a flat attachment member 6 so that it is also arranged outside.

  The lighting fixture 10 of the present embodiment can have higher workability as in the first embodiment.

DESCRIPTION OF SYMBOLS 1 Light source part 2 Main body part 2uu Outer edge 3 Frame 3a Reflector 3b Flange part 3ea Transmission hole 3uu Outer edge 4 Power supply device 5 Wireless communication device 5c Electric wire 5ka Light receiving element 5f Antenna part 6 Mounting member 10 Lighting fixture

Claims (6)

A light source portion, a main body portion in which the light source portion is disposed and thermally coupled to the light source portion, a frame body that controls light distribution of light from the light source portion, and a power supply device that supplies power to the light source portion. A wireless communication device that performs wireless communication using radio waves as a medium,
The frame body is formed in a cylindrical outer shape and is provided on the main body portion so as to surround the light source portion, and is provided along an edge of the reflector on a side of the reflector opposite to the main body portion. Having a flange portion,
The wireless communication device is provided separately from the power supply device, is arranged on the back side of the frame, and when viewed from the front of the frame, the projection on the frame is more than the outer peripheral edge of the flange portion. A lighting device, wherein the lighting device is disposed inside and outside the outer edge of the main body. The lighting device according to claim 1, wherein the wireless communication device has a flat antenna portion, and the antenna portion is arranged to be inclined with respect to a radial direction of the flange portion. The wireless communication device is attached to the frame by an attachment member,
The lighting device according to claim 2, wherein the attachment member has a guard portion that mechanically protects the antenna unit.   The wireless communication device includes a light receiving element that performs infrared communication using infrared light as a medium, and the frame body is provided with a transmission hole that transmits infrared light to the light receiving element. The lighting fixture according to any one of claims 1 to 3.   The lighting device according to any one of claims 1 to 4, wherein an electric wire derived from the wireless communication device is sandwiched between the wireless communication device and the main body.   The wireless communication device has a communication unit and a housing case that houses the communication unit,
  The communication unit has an antenna unit and a communication circuit unit that is electrically connected to the antenna unit and receives and transmits the radio wave via the antenna unit,
  The storage case of the wireless communication device is disposed such that, when viewed from the front of the frame, the projection on the frame is inside the outer periphery of the flange, and outside the outside of the main body. The lighting device according to claim 1, wherein the lighting device is a lighting device.

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