JP2012134039A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture which can prevent interference with the other existing components.SOLUTION: The lighting fixture 10 includes straight tube type lamps, a socket base 15 for retaining sockets 16, 17 wherein the straight tube type lamps are mounted, wiring 27 in a fixture pulled out from the sockets 16, 17 to the surface of a first reflecting plate via the socket base 15, and a second reflecting plate 18 for covering the wiring 27 in the fixture by being arranged on the front of the first reflecting plate. The wiring 27 in the fixture led from the sockets 16, 17 is pulled out from openings 45, 46 of the socket base 15 arranged in a range covered with the second reflecting plate 18.

Description

  The present invention relates to a lighting fixture that is installed on a ceiling surface using a lamp such as a straight tube type LED lamp having LEDs as a light source.

2. Description of the Related Art Conventionally, there has been known a lighting fixture in which straight tube fluorescent lamps are attached to sockets arranged at both ends in a longitudinal direction (see, for example, Patent Document 1).
The lighting fixture of patent document 1 irradiates the floor surface side which is a to-be-irradiated object by radiating | emitting light radially from a fluorescent lamp.

Japanese Unexamined Patent Publication No. 2007-213968 (FIG. 1, claim 1)

The lighting fixture described in Patent Literature 1 can reduce radiation noise without unnecessarily blocking the light of the fluorescent lamp.
However, in the lighting fixture described in Patent Document 1, there is a risk that the in- fixture wiring electrically connected to the socket may interfere with other existing components in the vicinity of the socket.
Therefore, in the lighting apparatus described in Patent Document 1, an electrical failure occurs when the in-apparatus wiring interferes with other existing parts.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting fixture that can prevent interference with other existing components.

  A lighting fixture according to the present invention includes a straight tube lamp, a socket base that holds a socket to which the straight tube lamp is attached, and an interior of the fixture that is drawn from the socket to the surface of the first reflector through the socket base. A wiring board and a second reflecting plate disposed on a front surface of the first reflecting plate and covering the in-instrument wiring; and the socket base covers the in-tool wiring from the socket with the second reflecting plate. Pull out from the opening provided in the area.

  In the lighting fixture according to the present invention, the opening has a slit for guiding the in- fixture wiring at a side edge of the socket base.

  As for the lighting fixture which concerns on this invention, the said opening part is independently provided in a pair.

  In the lighting fixture according to the present invention, the slit is bent into an L shape.

  In the lighting fixture according to the present invention, the socket base is attached with a lamp support spring that holds the straight tube type LED lamp.

  The lighting fixture which concerns on this invention has the confirmation window in which the said socket stand can visually recognize the back surface vicinity of the said socket.

  According to the lighting fixture concerning this invention, there exists an effect that interference with other existing components can be prevented.

The disassembled perspective view seen from diagonally downward of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view around the socket stand of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally upward of the socket stand of the lighting fixture of one Embodiment which concerns on this invention The vertical sectional view around the socket base of the lighting fixture of one embodiment concerning the present invention The external appearance perspective view of the modification of the socket stand of the lighting fixture of one Embodiment which concerns on this invention

Hereinafter, a lighting apparatus according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, a lighting fixture 10 according to an embodiment of the present invention includes a first reflector 11 integrated with a fixture body, and a single power supply side socket base 12 at one end of the first reflector 11. A first power supply side socket 13 and a second power supply side socket 14 attached thereto.
In addition, the lighting fixture 10 includes a first ground side socket 16 and a second ground side socket 17 that are attached to the other end of the first reflector 11 via a single ground side socket base 15, and a first reflector. 11 is attached to the second reflector 18.
The lighting fixture 10 is electrically connected to the first power supply side socket 13 and the second power supply side socket 14 and the first ground side socket 16 and the second ground side socket 17 to be mechanically attached. A straight tube type LED lamp 19 is provided.
Further, in the lighting fixture 10, two pairs of lamp support springs 20 are attached to the power supply side socket base 12 and the ground side socket base 15.
The lighting fixture 10 is applied to a base light installed on a ceiling surface (not shown).

The first reflecting plate 11 is formed of a thin metal plate member or resin plate member, and has a reflecting surface 22 around the top plate 21.
The first reflector 11 has a power terminal block 23 and a power block 24 attached to the lower surface of the top plate 21.
The power supply terminal block 23 is electrically connected to a power supply wiring (not shown) drawn from the outside and a power supply wiring 25 connected to the power supply block 24.
The power supply block 24 is electrically connected to the in-appliance wiring 26 electrically connected to the first power supply side socket 13 and the second power supply side socket 14, and to the first ground side socket 16 and the second ground side socket 17. The in-apparatus wiring 27 to be performed is drawn out.

The second reflecting plate 18 is formed in a V shape in a vertical sectional view and has a length in the longitudinal direction of the first reflecting plate 11.
The second reflecting plate 18 has a V-shaped reflecting surface 28, and the first reflecting plate 11 is locked by, for example, being inserted into the top plate 21 of the first reflecting plate 11 with a flange 29 at the tip. Attached to.
At this time, since the second reflector 18 is assembled so as to cover the power terminal block 23 and the power block 24, the second reflector 18 hides the power terminal block 23 and the power block 24.

The straight tube type LED lamp 19 has a pair of power supplies (not shown) accommodated in a first power supply side socket 13 and a second power supply side socket 14 in a base 31 at one end of a glass tube 30 having a substantially circular cross section. Each of the power supply side cap pins 32 is electrically connected to the side terminal receptacle.
The straight tube type LED lamp 19 is electrically connected to a base 33 at the other end of the glass tube 30 to a ground terminal receiver (not shown) accommodated in the first ground side socket 16 and the second ground side socket 17. Has a single ground side cap pin 34.

The straight tube type LED lamp 19 includes an LED unit 37 having an LED substrate 36 in which a plurality of LEDs 35 are mounted in the longitudinal direction of the first reflector 11 in a glass tube 30.
The straight tube type LED lamp 19 has an irradiation range toward the irradiation target of 1/2 to 2/3 with respect to the entire circumference.
In the straight tube type LED lamp 19, the direct current fed from the first power supply side socket 13 and the second power supply side socket 14 is supplied from the power supply side base pin 32 through the ground side base base pin 34 to the first ground side socket 16 and the second ground. It flows into the side socket 17.
In the straight tube type LED lamp 19, a direct current is supplied to a printed circuit (not shown) provided on the LED substrate 36, and the LED 35 emits light.
The straight tube type LED lamp 19 is not limited to the one having the pair of power supply side base pins 32 in the base 31 at one end and the single ground side base pin 34 in the base 33 at the other end. .
For example, the base 31 at one end has three power supply side base pins 32 and the base 33 at the other end has two ground side base pins 34, or the base 31 at one end has two power supplies. It may have a side cap pin 32 and may have two ground side cap pins 34 on a cap 33 at the other end.

Next, the ground side socket base 15, the first ground side socket 16, and the second ground side socket 17 will be described in detail.
Note that the power supply side socket base 12, the first power supply side socket 13, and the second power supply side socket 14 have the same structure as the ground side socket base 15, the first ground side socket 16, and the second ground side socket 17. In addition, those descriptions are omitted here.

  As shown in FIG. 2, the ground side socket base 15 has a peripheral plate 39 around the bottom plate 38, has a gap with the top plate 21 of the first reflecting plate 11, and is connected to the bottom plate 38. And a bracket 40 for attaching to the top plate 21 of the first reflecting plate 11.

The ground side socket base 15 has a pair of first ground side socket insertion holes 41 and a second ground side socket insertion hole 42 near the end of the first reflector 11.
The ground side socket base 15 is configured such that the first ground side socket 16 is inserted into the first ground side socket insertion hole 41, and the second ground side socket 17 is inserted into the second ground side socket insertion hole 42. The ground side socket 16 and the second ground side socket 17 protrude downward.

The ground side socket base 15 has a first confirmation window 43 that penetrates the bottom plate 38 in the vicinity of the first ground side socket insertion hole 41, and a second that penetrates the bottom plate 38 in the vicinity of the second ground side socket insertion hole 42. A confirmation window 44 is provided.
The ground side socket base 15 has a first opening 45 penetrating the bottom plate 38 on the mounting side of the straight tube type LED lamp 19 in the first ground side socket 16. A second opening 46 penetrating the bottom plate 38 is provided in parallel with the first opening 45 on the mounting side of the straight tube type LED lamp 19 in the second ground side socket 17.
The first opening 45 and the second opening 46 are formed in a quadrilateral sufficiently larger than the outer diameter of the in-appliance wiring 27 and are provided within a range covered by the second reflector 18.
The first opening 45 is connected to the bottom plate 38 of the ground side socket base 15 through a first slit 47 that is bent and cut in an L shape, and the second opening 46 is connected to the ground side socket base. A second slit 48 that is bent and cut into an L shape is connected to and connected to the 15 bottom plates 38.
The first slit 47 is connected to and connected to a first lead-out notch 49 formed on the peripheral plate 39 of the ground side socket base 15, and the second slit 48 is connected to the peripheral plate 39 of the ground side socket base 15. Are connected to and communicated with the second drawer cutout 50 formed in the above.

A lamp support spring 20 is attached to the ground side socket base 15 in the vicinity of the first ground side socket 16 and in the vicinity of the second ground side socket 17.
Therefore, since the lamp support spring 20 is attached to the ground side socket base 15, the work of attaching the ground reflector side socket base 15 to the first reflecting plate 11 or the like corresponding to other existing parts by using another configuration is unnecessary. The lamp support spring 20 can be installed simultaneously with the installation.

As shown in FIG. 3, the in-tool wiring 27 electrically connected to the first ground side socket 16 passes along the back surface of the bottom plate 38 of the first ground side socket 16 along the longitudinal direction of the first reflector 11. Pulled out.
The in-appliance wiring 27 is drawn from the first opening 45 through the first slit 47 in the longitudinal direction of the first reflector 11 from the first lead-out cutout 49.
The in-tool wiring 27 electrically connected to the second ground side socket 17 is drawn along the longitudinal direction of the first reflector 11 through the back surface of the bottom plate 38 of the first ground side socket 16.
The in-appliance wiring 27 is drawn from the second opening 46 through the second slit 48 from the second lead-out cutout 50 in the longitudinal direction of the first reflector 11.
At this time, when a tensile load is applied to the in-tool wiring 27, the in-tool wiring 27 is caught by the bent first slit 47 and the second slit 48.
Therefore, when a tensile load is applied to the in-appliance wiring 27, the in-appliance wiring 27 is caught by the bent portions of the first slit 47 and the second slit 48, thereby preventing the disconnection.

Here, the ground side socket base 15 is provided with a first opening 45 and a second opening 46 independently as a pair.
Therefore, it is possible to arrange smartly by independently guiding the in-apparatus wiring 27 drawn from the first ground side socket 16 and the in-apparatus wiring 27 drawn from the second ground side socket 17.

In addition, the in-instrument wiring 27 drawn out from the first ground side socket 16 is drawn out through the first slit 47, and the in-tool wiring 27 drawn out from the second ground side socket 17 is drawn out through the second slit 48. .
Therefore, the in-tool wiring 27 can be pulled out to the side edge of the ground side socket base 15 by a simple operation.

The first confirmation window 43 and the second confirmation window 44 have a function of visually checking whether or not the in-apparatus wiring 27 is routed through a correct route.
If the in-appliance wiring 27 is seen when viewed from below before the second reflecting plate 18 is attached to the first reflecting plate 11, the in-appliance wiring 27 is connected to the first ground side socket 43. 16 is not securely connected, and it is confirmed that the route is not routed correctly.
Similarly, if the in-appliance wiring 27 is seen when looking into from the lower side before the second reflecting plate 18 is attached to the first reflecting plate 11, the second in-appliance wiring 27 is the second confirmation window 44. It is confirmed that it is not securely connected to the ground side socket 17 and is not routed through the correct route.
Therefore, whether the in-instrument wiring 27 is electrically connected to the first ground side socket 16 and the second ground side socket 17 through the first confirmation window 43 and the second confirmation window 44 of the ground side socket base 15 is determined. I can confirm.

As shown in FIG. 4, the in-tool wiring 27 passes from the first ground side socket 16 and the second ground side socket 17 between the bottom plate 38 of the ground side socket base 15 and the top plate 21 of the first reflector 11. Are pulled out along the longitudinal direction of the first reflector 11.
Therefore, the in-instrument wiring 27 electrically connected to the first ground side socket 16 and the second ground side socket 17 does not pass through the surface of the ground side socket base 15 and is within the range covered by the second reflector 18. It is pulled out through the first opening 45 and the second opening 46.
Accordingly, it is possible to prevent interference with the first reflecting plate 11 and the like corresponding to other existing parts of the in-tool wiring 27.

As shown in FIG. 5, the ground side socket base 51 of the modified example of the lighting apparatus 10 according to the embodiment of the present invention penetrates the bottom plate 38 on the mounting side of the straight tube type LED lamp 19 in the first ground side socket 16. A straight first slit 52 communicates with and is connected to the first opening 45.
Further, a straight second slit 53 is connected to the second opening 46 penetrating the bottom plate 38 on the mounting side of the straight tube type LED lamp 19 in the second ground side socket 17.

As described above, according to the lighting fixture 10 of the embodiment, the in- fixture wiring 27 electrically connected to the first ground side socket 16 and the second ground side socket 17 is connected to the ground side socket bases 15 and 51. Do not pass through the surface.
And according to the lighting fixture 10 of one Embodiment, in order that the in-apparatus wiring 27 is pulled out through the 1st opening part 45 and the 2nd opening part 46 in the range covered with the 2nd reflecting plate 18, in-apparatus wiring Thus, it is possible to prevent interference with the first reflecting plate 11 corresponding to the other existing parts.

Moreover, according to the lighting fixture 10 of one Embodiment, the in-apparatus wiring 27 pulled out from the 1st opening part 45 is guide | induced by the 1st slit 47, and the in-appliance wiring 27 pulled out from the 2nd opening part 46 is the 2nd slit. 48.
Therefore, according to the lighting fixture 10 of one embodiment, the in- fixture wiring 27 can be pulled out to the side edges of the ground side socket bases 15 and 51 by a simple operation.

  And according to the lighting fixture 10, the in-appliance wiring 27 pulled out from the 1st ground side socket 16 through the 1st opening part 45, and the in-appliance wiring 27 drawn out from the 2nd grounding side socket 17 through the 2nd opening part 46, It is possible to arrange smartly by guiding the system independently.

  Furthermore, according to the lighting apparatus 10 of one embodiment, when a tensile load is applied to the in-apparatus wiring 27, the in-apparatus wiring 27 is caught by the bent portions of the first slit 47 and the second slit 48, so that the disconnection is prevented. Can be prevented.

  Furthermore, according to the luminaire 10, since the lamp support spring 20 is attached to the ground side socket bases 15 and 51, conventionally, it has been attached to the first reflector 11 or the like corresponding to other existing parts with a different configuration. Work becomes unnecessary.

  In addition, according to the lighting fixture 10 of one embodiment, the in- fixture wiring 27 is connected to the first ground side socket 16 and the second ground through the first confirmation window 43 and the second confirmation window 44 of the ground side socket bases 15 and 51. It can be confirmed whether or not it is electrically connected to the side socket 17.

  In the lighting fixture of the present invention, the first reflector, the second reflector, the power supply terminal block, the power supply block and the like are not limited to the above-described embodiment, and appropriate modifications and improvements can be made. .

DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 1st reflector 12 Power supply side socket stand (socket stand)
13 First power supply side socket (socket)
14 Second power supply side socket (socket)
15, 51 Ground side socket base (socket base)
16 First ground side socket (socket)
17 Second ground side socket (socket)
18 Second reflector 19 Straight tube type LED lamp (straight tube type lamp)
20 Lamp support spring 26, 27 Wiring in appliance 43 First confirmation window (confirmation window)
44 Second confirmation window (confirmation window)
45 First opening (opening)
46 Second opening (opening)
47, 52 1st slit (slit)
48, 53 Second slit (slit)

Claims (6)

A straight tube lamp,
A socket base for holding a socket to which the straight tube lamp is attached;
In-appliance wiring drawn from the socket to the surface of the first reflector through the socket base,
A second reflector disposed on the front surface of the first reflector and covering the in-appliance wiring;
The socket base is a lighting fixture that pulls out the in- fixture wiring from the socket from an opening provided in a range covered with the second reflector. The lighting fixture according to claim 1,
The lighting fixture in which the opening has a slit for guiding the wiring in the fixture at a side edge of the socket base. The lighting fixture according to claim 1 or 2,
A lighting fixture in which the openings are provided independently as a pair. In the lighting fixture of any one of Claims 1 thru | or 3,
A lighting fixture in which the slit is bent into an L shape. In the lighting fixture of any one of Claims 1 thru | or 4,
The lighting fixture to which the socket base attaches a lamp supporting spring for holding the straight tube type LED lamp. In the lighting fixture of any one of Claim 1 thru | or 5,
The lighting fixture which the said socket stand has a confirmation window which can visually observe the back surface vicinity of the said socket.

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