JP2013168436A - Light emitting device and lighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light emitting device and a lighting device which reduce a width direction dimension and prevent an electric wire from getting stuck during assembly.SOLUTION: An LED 31 is mounting on a circuit board 32, and a cover 34 is screwed to a fixture 33 so as to cover the circuit board 32. At this time, an electric wire 36 connected with the circuit board 32 is arranged so as to be offset from a widthwise center of the circuit board 32 to the end part side and is led out in a longitudinal direction of the circuit board 32. Thus, the widthwise dimension is reduced. Further, a stopper part 343, preventing the electric wire 36 from further moving to the widthwise end part side of the circuit board 32, is provided. The structure prevents the electric wire 36 from getting stuck during the assembly.

Description

  The present invention relates to a light emitting device and a lighting fixture in which a plurality of light emitting elements are mounted on a circuit board.

Conventionally, a light emitting device in which a plurality of light emitting elements (LEDs) are mounted on a circuit board is known (see, for example, Patent Document 1).
As shown in FIG. 13, in the light emitting device 100 described in Patent Document 1, a plurality of LEDs 101 are arranged in a line on the mounting surface of the substrate 102.
The back surface of the substrate 102 is attached to the case 103, and a cover (light control body) 104 that covers the LEDs 101 is attached to the mounting surface of the substrate 102.

An electric wire 105 for supplying lighting power to the LED 101 is connected to the substrate 102, and the electric wire 105 is drawn out in a direction orthogonal to the longitudinal direction of the substrate 102.
On one side of the case 103, a mounting edge 106 for mounting to the fixture main body or installation location of the lighting device is projected, and the electric wire 105 is formed by a notch 107 provided at one end of the mounting edge 106. Is locked.

Japanese Patent Laying-Open No. 2006-32023 (FIG. 1)

  However, in the light emitting device described in Patent Document 1 described above, there is a problem that the dimension in the width direction becomes large because the electric wire is drawn out and locked in the width direction of the light emitting device.

  The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a light-emitting device and a lighting fixture that can reduce the dimension in the width direction and prevent an electric wire from being caught during assembly.

  The light-emitting device of the present invention includes a fixture for mounting elsewhere, a circuit board attached to the fixture, a light-emitting element mounted on the circuit board, the light-emitting element and the circuit board covering the attachment. And a cover attached to the tool, and the electric wire connected to the circuit board is eccentrically routed from the center in the width direction of the circuit board to the end side and is drawn out in the longitudinal direction. A stopper is provided to prevent further movement toward the end in the width direction.

  Moreover, the light-emitting device of this invention provides the said stopper part in the said cover.

  Moreover, the light-emitting device of this invention provides the groove part to which the said electric wire is temporarily fixed to the said stopper part.

  Moreover, the lighting fixture of this invention uses the light-emitting device in any one of the light-emitting devices mentioned above.

  Furthermore, in the lighting fixture of the present invention, the light emitting device is installed in a direction in which the circuit board is orthogonal to the other place, and the stopper portion is provided at least on the tip side of the circuit board.

  According to the present invention, since the electric wire connected to the circuit board is eccentrically wired from the center in the width direction of the circuit board to the end side and is drawn out in the longitudinal direction of the circuit board, the dimension in the width direction can be reduced. Moreover, since the stopper part which prevents an electric wire from moving further to the width direction edge part side of a circuit board was provided, the light-emitting device and lighting fixture which have an effect which can prevent an electric wire being pinched at the time of an assembly can be provided. .

(A) is sectional drawing of the lighting fixture of 1st Embodiment which concerns on this invention, (B) is the bottom view seen from the downward direction The disassembled perspective view of the lighting fixture of 1st Embodiment which concerns on this invention FIG. 3 is an enlarged view of a portion III in FIG. 2 and an exploded perspective view of the lower unit as viewed from the front upper side. Exploded perspective view of the lower unit as seen from above (A) It is a front view of the lower unit of 1st Embodiment which concerns on this invention, (B) is the side view seen from B direction in (A) (A) is a top view which shows arrangement | positioning of a lower unit, (B) is a top view which shows the wiring of an electric wire (A) is a top view which shows the wiring of the upper unit in the lighting fixture of 1st Embodiment which concerns on this invention, (B) is a top view which shows the conventional wiring Sectional view showing the arrangement of the power supply side connector and connection connector (A) is the top view which looked at the frame from the upper part, (B) is sectional drawing of BB one in (A). An exploded perspective view of the auxiliary light source as viewed from above An exploded perspective view of the auxiliary light source as seen from below (A) It is a front view of the lower unit of 2nd Embodiment which concerns on this invention, (B) is the side view seen from B direction in (A) Front view of a partially broken conventional light emitting device

(First embodiment)
Hereinafter, the lighting fixture of 1st Embodiment which concerns on this invention is demonstrated using drawing.
In addition, in the following description, the case where a lighting fixture is attached to the ceiling surface which is a to-be-attached surface, and the downward direction is illuminated is demonstrated.
Therefore, unless otherwise indicated, upper (upper, upper, etc.) means the ceiling surface side, and lower (lower, lower, etc.) means the floor surface side.

As shown to FIG. 1 (A) and (B), the lighting fixture 10 of 1st Embodiment which concerns on this invention is attached to the ceiling surface 11 grade | etc., Which is a to-be-attached part, and is suitable for mainly illuminating the downward direction. .
As shown also in FIG. 2, the luminaire 10 has an attachment member 21 as a power supply accommodating portion in the center in order to attach the hooking ceiling 12 attached to the ceiling surface 11 and supply electric power. The device body 20 has a shape. A power supply circuit that supplies power to an upper unit (light emitting device) 30, a lower unit 40, an auxiliary light source 70, and the like, which will be described later, is accommodated in the attachment member 21 as a power supply accommodating portion.
In addition, a nightlight 23 is provided in the vicinity of the attachment member 21 in the central portion of the instrument body 20.
An annular frame 22 is provided on the outer periphery of the instrument body 20, and an auxiliary light source 70 is provided on the frame 22.

An upper unit (light emitting device) 30, which is an indirect light source, an upper frame 52, and an upper cover 51 are provided on the upper side of the instrument body 20 (that is, on the ceiling surface 11 side).
Further, a lower unit 40 that is a main light source and a lens 43 that is an optical member for the main light source are provided below the instrument body 20 (that is, on the illumination direction side).

The lower unit 40 includes a partial arc-shaped substrate 41 obtained by dividing the circular shape of the instrument body 20 into a plurality of pieces, and a plurality of LEDs 42 are mounted on each substrate 41. Each lower unit 40 irradiates light downward.
A translucent panel 50 that receives light emitted from the lower unit 40 and diffuses the light is provided in front of the lower unit 40, and is attached to the inside of the frame body 22. The panel 50 has a curved surface shape curved downward.

As shown in FIGS. 3 and 4, an upper unit 30 that is a light emitting device includes a circuit board 32 on which an LED (light emitting element) 31 is mounted, and a circuit board 32 for attaching to the upper surface 201 of the instrument body 20 that is located elsewhere. An attachment 33 and a cover 34 that covers the front surface of the LED 31 are provided.
The fixture 33 is formed in an overall L shape by a bottom plate 331 and a standing wall 332 attached to the instrument body 20.

The circuit board 32 has a rectangular shape, and board-side connectors 35 are provided on the extensions of the mounting lines of the LEDs 31 at both ends in the longitudinal direction. Each board-side connector 35 is connected to a supply-side connector 361 attached to an electric wire 36 that is connected to an attachment member 21 that is a power supply accommodating portion disposed in the central portion of the instrument body 20.
The circuit board 32 is attached to a fitting portion 342 provided inside the cover 34, and the cover 34 is attached to a screw hole 333 provided in the standing wall 332 of the fixture 33 by an attachment screw 341.

The fixture 33 is attached to the upper surface 201 (see FIGS. 6A and 6B) of the fixture body 20 so that the LED 31 on the circuit board 32 attached to the standing wall 332 faces the outside of the lighting fixture 10. . That is, the upper unit 30 is placed vertically with the circuit board 32 and the LED 31 installed in a direction substantially orthogonal to the instrument body 20.
Thereby, the light from LED31 is radiate | emitted toward the outer side substantially parallel to the upper surface of the instrument main body 20. FIG.
Each upper unit 30 is provided at the same height with respect to the instrument body 20.

As shown in FIGS. 5A and 5B, the electric wire 36 is drawn from the longitudinal end portion of the upper unit 30, and is eccentrically wired to the upper end side so as not to be caught by the mounting screw 341. Yes.
Protrusions 343 as stopper portions are provided on the upper end sides of the cover 34 in the longitudinal direction, and the electric wires 36 eccentrically wired on the upper end side (tip end side) of the circuit board 32 are too close to the upper end side. There are no restrictions.

As shown in FIG. 6A, a plurality of (here, five) upper units 30 are attached to the upper surface 201 of the instrument body 20 around the attachment member 21.
Of the five upper units 30, the three upper units 301 on the lower side (upper side in FIG. 6A) are arranged at equal intervals. The three upper units 301 are referred to as a first group G1.

On the other hand, the two upper units 302 on the upper side (upper side in FIG. 6A) are arranged closer to the center line CL1. The two upper units 302 are referred to as a second group G2.
Note that the upper unit is collectively referred to as “upper unit 30” in the following description.

Each upper unit 30 is connected, and the wiring of the whole electric wire 36 is vertically long in the vertical direction (vertical direction in FIG. 6B) as shown in FIG. 6B.
As shown in FIG. 6A and FIG. 7A, a pair of power supply side connectors 37 is provided at the boundary between the first group G1 and the second group G2 so as to be connected to the mounting member 21 and supply power. Is provided.
That is, the power supply side connector 37 is connected to both the upper unit 301 on the first group G1 side and the upper unit 302 on the second group G2 side.

As shown in FIG. 8, the power supply side connector 37 includes a first power supply side connector 371 on the mounting member 21 side and a second power supply side connector 372 on the upper unit 30 side. The power supply side connector 372 is detachable.
The first power supply side connector 371 is fixed to an attachment hole (not shown) provided in the instrument body 20.

As shown in FIGS. 6A and 7A, a connection connector 38 is provided between the power supply side connector 37 and the upper unit 30 and between the upper units 30.
The connection connector 38 has two parts and is detachable. The connection connector 38 is connected to the second power supply side connector 372 of the power supply side connector 37 by an electric wire 381.

The connection connector 38 adjacent to the upper unit 30 is connected to the supply side connector 361 by the electric wire 36 described above.
Note that the connection connector 38 can be accommodated in a groove 202 provided along the outer periphery of the instrument body 20 to prevent the connection connector 38 from being exposed during transportation or the like (see FIG. 8).

  In the lighting fixture 10 of the present invention, as shown in FIG. 7 (A), each upper unit 30 is wired so as to be connected in one round. Therefore, as shown in FIG. Compared with the conventional wiring using 37, the wiring length is shortened.

As shown in FIGS. 9A and 9B, the frame body 22 has an annular shape, and has a space 221 in which the panel 50 is fitted.
Further, the frame body 22 has a frame body main body 222 that protrudes upward and inclined outward, and the frame body main body 222 has a predetermined interval (here, a central angle of 120 degrees) for the auxiliary light source 70. Opening 223 (see FIG. 1) is provided.
An auxiliary light source 70 is attached to the opening 223.
The opening 223 is provided in a curved shape corresponding to the outer shape of the frame body 22.

The frame body 222 of the frame body 22 is provided with a sensor opening 224, an operation display lamp opening 225 and a status display lamp opening 226.
The sensor 241, the operation display lamp 242 and the status display lamp 243 are attached to a bracket 24 attached to the instrument body 20 (see FIG. 2).

As shown in FIGS. 10 and 11, the auxiliary light source 70 includes a circuit board 72 having an LED 71 mounted on a surface 721, a mounting body 73 to which the circuit board 72 is attached, and a cover 80 that covers the front of the LED 71.
The circuit board 72, the attachment body 73, and the cover 80 are curved according to the outer shape (circular shape) of the frame body 22, and the LEDs 71 are mounted on the circuit board 72 in an arc shape.

On the surface 721 of the circuit board 72, a circuit board side connector 75 is attached to an extension of the arc line on which the LED 71 is mounted, and a supply side connector 761 attached to an electric wire 76 that supplies lighting power to the LED 71. Connected to.
The attachment body 73 has an outer wall 732 provided on the outer edge of the flat attachment body main body 731 and an inner wall 733 provided on the inner edge, and has a U-shaped cross section.

Fixing screw holes 734 for attaching the attachment body 73 to the instrument body 20 are provided at the center in the width direction at both longitudinal ends of the attachment body main body 731.
Further, mounting screw holes 735 and 736 for mounting the cover 80 to the mounting body 73 are provided on the inner side in the longitudinal direction of the fixing screw hole 734 in the mounting body main body 731.

The cover 80 includes a curved flat cover body 81, an inner standing wall 821 extending toward the mounting body 73 inside the cover body 81, and an outer standing wall 822 extending toward the mounting body 73 outside.
Screw holes 833 and 834 for attaching the cover 80 to the attachment body 73 with attachment screws 835 are provided at both ends in the longitudinal direction of the cover 80.
In addition, a lens 84 that controls light distribution of the light from the LEDs 71 is provided in front of the plurality of LEDs 71 in the cover 80 in the irradiation direction (that is, below).

As described above, according to the upper unit 30 that is the light emitting device of the first embodiment according to the present invention, the LED 31 is mounted on the circuit board 32, and the cover 34 is attached to the fixture 33 so as to cover the circuit board 32. Screw on.
At this time, the electric wire 36 connected to the circuit board 32 is eccentrically wired from the center in the width direction of the circuit board 32 to the end side and is drawn out in the longitudinal direction of the circuit board 32, so that the mounting screw 341 is assembled at the time of assembly. It is possible to reduce the size in the width direction.
In addition, since the protrusion 343 that prevents the electric wire 36 from further moving toward the end in the width direction of the circuit board 32 is provided, it is possible to prevent the electric wire 36 from being caught during assembly.

  Further, according to the upper unit 30 of the present invention, since the cover 34 is provided with the projection 343 that prevents the electric wire 36 from further moving toward the end in the width direction of the circuit board 32, the electric wire 36 is sandwiched during assembly. Can be prevented.

  Moreover, according to the lighting fixture 10 of the present invention, since the above-described upper unit 30 is used, the size in the width direction can be reduced to make the lighting fixture 10 compact, and the electric wire 36 can be prevented from being caught during assembly. .

Furthermore, according to the lighting fixture 10 of the present invention, since the upper unit 30 is placed vertically, the vertical dimension can be reduced.
Moreover, since the protrusion 343 is provided at least on the upper end side, it is possible to prevent the electric wire 36 from turning around and being pinched by the upper cover 51 when the lighting fixture 10 is installed.

As described above, according to the luminaire 10 of the first embodiment of the present invention described above, the pair of power supply side connectors 37 connected to the attachment member 21 are arranged around the attachment member 21. The power supply side connector 37 was connected to both the upper units 30 of the first group G1 located on one side and the second group G2 located on the other side.
For this reason, compared with the conventional case where one power supply side connector 37 is connected to the upper unit 30, the wiring length can be shortened, and the assembling property and the noise resistance can be improved.

Moreover, according to the lighting fixture 10 of the present invention, at least one of the first group G1 and the second group G2 has a plurality of upper units 30.
And since the power supply side connector 37 is arrange | positioned in the boundary of the 1st group G1 and the 2nd group G2, wiring length can be shortened and an improvement of assembly property or noise resistance can be aimed at.

  Furthermore, according to the lighting fixture 10 of the present invention, the upper unit 301 of the first group G1 and the upper unit 302 of the second group G2 are arranged at the same height position, so the wiring length is shortened, Assembly and noise resistance can be improved.

(Second Embodiment)
Next, the lighting fixture of 2nd Embodiment which concerns on this invention is demonstrated using drawing.
In addition, the same code | symbol is attached | subjected to the site | part which is common in the lighting fixture 10 which concerns on 1st Embodiment mentioned above, and the overlapping description is abbreviate | omitted.
As shown in FIG. 12, in the lighting fixture 10B of the second embodiment, a groove 344 to which the electric wire 36 is temporarily fixed is provided on the protrusion 343 provided on the cover 34 of the upper unit 30B.

  As described above, according to the lighting apparatus 10B of the second embodiment of the present invention described above, since the groove 344 to which the electric wire 36 is temporarily fixed is provided in the protrusion 343, the electric wire 36 is an end in the width direction of the circuit board 32. Further movement to the side can be prevented, and the electric wire 36 can be prevented from flapping.

In addition, the lighting fixture of this invention is not limited to each embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.
For example, in each of the embodiments described above, the protrusion 343 is provided only on the upper end side of the cover 34 of the upper units 30 and 30B, but may be provided on the lower end side.
Further, although the case where the protrusion 343 is provided on the cover 34 is illustrated, the protrusion can also be provided on the fixture 33.
Furthermore, although the case where this invention was applied to the upper unit 30 as a light-emitting device was demonstrated, it is also possible to apply to the auxiliary light source 70 as a light-emitting device.

10, 10B Lighting equipment 201 Top surface (other places)
30, 30B upper unit (light emitting device)
31 LED (light emitting element)
32 Circuit board 33 Mounting tool 34 Cover 343 Protrusion (stopper part)
344 Groove 36 Electric wire

Claims (5)

A fixture for mounting elsewhere;
A circuit board attached to the fixture;
LEDs mounted on the circuit board;
A cover that covers the LED and the circuit board and is attached to the fixture;
Have
Wires connected to the circuit board are wired eccentrically from the width direction center of the circuit board to the end side, and drawn in the longitudinal direction,
The light-emitting device provided with the stopper part which prevents the said electric wire from moving further to the width direction edge part side of a circuit board. The light-emitting device according to claim 1.
A light emitting device in which the stopper is provided on the cover. The light-emitting device according to claim 1 or 2,
A light emitting device in which a groove portion in which the electric wire is temporarily fixed is provided in the stopper portion.   The lighting fixture using the light-emitting device of any one of Claim 1 thru | or 3. The lighting fixture according to claim 4,
The light emitting device is a lighting fixture in which the circuit board is installed in a direction orthogonal to the other portion, and the stopper portion is provided at least on the tip side of the circuit board.

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