JP2012134038A - Lighting apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting apparatus which prevents incorrect attachment of a straight pipe type LED lamp.SOLUTION: A lighting apparatus 10 includes: a straight pipe type LED lamp 14; a first socket 12 connecting with one base pin 25 that the straight pipe type LED lamp 14 has; a second socket 13 connecting with the other base pin 27 that the straight pipe type LED lamp 14 has; and an apparatus body 11 holding the first socket 12 and the second socket 13. A display part 37, which has a different color from surrounding components, is provided in at least one of the first socket 12 and the second socket 13 so as to prompt the one base pin 25 to be attached to the first socket 12 side or prompt the other base pin 27 to be attached to the second socket 13 side.

Description

  The present invention relates to a lighting fixture installed on a ceiling surface using 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 a straight tube type fluorescent lamp is attached to lamp sockets arranged at both ends in a longitudinal direction (see, for example, Patent Document 1).
The luminaire described in Patent Document 1 irradiates the floor side, which is an irradiation target, by emitting light radially from a straight tube 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.
By the way, with the recent development of LED technology, lighting fixtures equipped with straight tube LED lamps incorporating LEDs instead of fluorescent lamps have been proposed from the viewpoint of energy saving and the like.
In such a straight tube type LED lamp, a power supply side base pin is disposed on one base side, and a ground side base pin is disposed on the other base side.
The lighting fixtures to which the straight tube type LED lamp is attached are only on the power supply side socket electrically connected only to the power supply side cap pin of the straight tube type LED lamp and the ground side cap pin of the straight tube type LED lamp. Equipped with an electrically connected ground side socket.
Therefore, in such a conventional lighting fixture, when the straight tube type LED lamp is directional, when it is attached to the power supply side socket and the ground side socket, the power supply side cap pin in the straight tube type LED lamp and The grounding side cap pin may be installed incorrectly.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a luminaire that can prevent erroneous installation of a straight tube type LED lamp.

  A lighting fixture according to the present invention is connected to a straight tube LED lamp, a first socket connected to one of the cap pins included in the straight tube LED lamp, and the other cap pin of the straight tube LED lamp. A first socket and an instrument body that holds the second socket, and at least one of the first socket and the second socket has the one cap pin as the first socket. In order to prompt the socket side or the other cap pin to be attached to the second socket side, a display portion having a color different from the surrounding color is provided.

  In the lighting fixture according to the present invention, the display unit is disposed at a position where at least a part of the display unit is hidden by the straight tube type LED lamp.

  As for the lighting fixture which concerns on this invention, the said display part is arrange | positioned on the extension line along the insertion direction of the said cap pin of the said straight tube | pipe type LED lamp.

  In the lighting fixture according to the present invention, the display unit has a color different from that of the first socket or the second socket.

  According to the lighting fixture concerning this invention, there exists an effect that the incorrect attachment of a straight tube | pipe type LED lamp can be prevented.

The external appearance perspective view seen from diagonally downward of the lighting fixture of one Embodiment which concerns on this invention The disassembled perspective view seen from diagonally downward of the lighting fixture of one Embodiment which concerns on this invention FIG. 3 is an external perspective view illustrating the assembly relationship between the power supply side socket and the power supply side terminal of the lighting apparatus according to the embodiment of the present invention. FIG. 3 is an external perspective view illustrating the assembly relationship between the ground side socket and the ground side terminal of the lighting fixture according to the embodiment of the present invention. The external appearance perspective view of the attachment state to the ground side socket of the straight tube | pipe type LED lamp of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view of the attachment state to the ground side socket of the straight tube | pipe type LED lamp of the modification of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view explaining the assembly | attachment relationship of the ground side socket and ground side terminal of the other modification of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view explaining the assembly | attachment relationship of the ground side socket and ground side terminal of the other modification of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view explaining the assembly | attachment relationship of the ground side socket and ground side terminal of the other modification of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view explaining the assembly | attachment relationship of the ground side socket and ground side terminal of the other modification 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 fixture main body (see FIG. 2) 11, a power supply side socket 12 attached to one end of the fixture main body 11, and a fixture main body 11. A grounding side socket 13 attached to the other end.
The lighting fixture 10 is attached to the fixture main body 11 above the straight tube type LED lamp 14 and the straight tube type LED lamp 14 that is electrically connected to the power supply side socket 12 and the ground side socket 13 and mechanically attached. The reflecting plate 15 is provided.
The lighting fixture 10 is applied to a base light installed on the ceiling surface 1.

As shown in FIG. 2, the instrument body 11 is formed of a thin metal plate member, and has a pair of power supply side socket base 16 and ground side socket base 17 at both ends.
A power supply side socket 12 is attached to the power supply side socket base 16 so as to protrude downward, and a ground side socket 13 is attached to the ground side socket base 17 so as to protrude downward.
The instrument body 11 has a pair of mounting bolt holes 18 on both end sides. Through these mounting bolt holes 18, mounting bolts 2 installed on the ceiling surface 1 are inserted.
Then, the instrument body 11 is attached to the ceiling surface 1 by screwing the nut 4 into the mounting bolt 2 via the washer 3 on the lower surface side of the instrument body 11.
A power terminal block 19 and a power block 20 are attached to the lower surface of the instrument body 11. A power supply wiring 21 drawn from the outside is electrically connected to the power supply terminal block 19.
The power supply terminal block 19 is electrically connected to the power supply block 20, and the in-tool wiring 22 from the power supply block 20 is electrically connected to the power supply side socket 12 and the ground side socket 13, respectively.

The straight tube type LED lamp 14 is electrically connected to a base 24 at one end of a glass tube 23 having a substantially circular cross section to a pair of power supply side terminal receptacles (not shown) housed in the power supply side socket 12. A pair of power supply side cap pins 25 is provided.
The straight tube type LED lamp 14 is a single ground side base that is electrically connected to a base 26 at the other end of the glass tube 23 to a ground terminal receiver (not shown) housed in the ground side socket 13. A pin 27 is provided.
The straight tube type LED lamp 14 incorporates an LED unit 30 having an LED substrate 29 in which a plurality of LEDs 28 are mounted in the longitudinal direction of the instrument body 11 in a glass tube 23.
In the straight tube type LED lamp 14, the irradiation range toward the irradiation target is 1/2 to 2/3 with respect to the entire circumference.

In the straight tube type LED lamp 14, a direct current fed from the power supply side socket 12 flows from the power supply side base pin 25 to the ground side socket 13 through the ground side base pin 27, whereby a printed circuit (not shown) included in the LED substrate 29 is formed. A direct current is supplied to cause the LED 28 to emit light.
The straight tube type LED lamp 14 is not limited to the one having the pair of power supply side cap pins 25 in the cap 24 at one end and the single ground side cap pin 27 in the cap 26 at the other end. .
For example, the base 24 at one end has three power supply side base pins 25, the base 26 at the other end has two ground side base pins 27, or the base 24 at one end has two power supplies. It may have side cap pins 25 and two grounding side cap pins 27 on the cap 26 at the other end.

The reflecting plate 15 has a reflecting surface 31 that is painted white or milky white on the outer surface. The reflector 15 is integrally assembled to the instrument body 11 by being screwed to the instrument body 11.
Since the reflector 15 has a pair of socket insertion holes 32 through which the power supply side socket 12 and the ground side socket 13 are inserted, the power supply side socket 12 and the ground side socket are assembled when the reflector 15 is assembled. 13 and projecting downward.

  As shown in FIG. 3, the power supply side socket 12 has a power supply side socket case 34 in which a power supply side base pin insertion portion 33 into which a pair of power supply side base pins 25 are inserted is formed. The power supply side socket case 34 has the same white or milky white coating as that of the instrument body 11.

As shown in FIG. 4, the ground side socket 13 has a ground side socket case 36 in which a ground side base pin insertion portion 35 into which a single ground side base pin 27 is inserted is formed. The ground side socket case 36 has the same white or milky white coating as that of the instrument body 11.
The display unit 37 is provided on the side surface of the ground side socket case 36 of the ground side socket 13 on the mounting side of the straight tube type LED lamp 14. The power supply side socket case 34 of the power supply side socket 12 does not have the display unit 37.

The display unit 37 is for urging a user who attaches / detaches the straight tube type LED lamp 14 to attach the single ground side cap pin 27 of the straight tube type LED lamp 14 to the ground side socket 13. is there.
Therefore, when the user attaches / detaches the straight tube type LED lamp 14, the display unit 37 prompts the user to definitely attach the single ground side cap pin 27 of the straight tube type LED lamp 14 to the ground side socket 13. This prevents erroneous installation of the straight tube type LED lamp 14.

The display unit 37 is formed in a triangular shape, for example, red, which is different from the paint color of the ground side socket case 36.
Accordingly, since the display unit 37 has a color different from that of the ground side socket case 36 of the ground side socket 13, when the user attaches / detaches the straight tube type LED lamp 14, the display unit 37 becomes conspicuous, thereby causing the straight tube type LED lamp. It can be confirmed that the 14 grounding side cap pins 27 are correctly inserted.

The display unit 37 is disposed on an extension line along the insertion direction of the ground side cap pin 27 of the straight tube type LED lamp 14.
Therefore, when the user attaches / detaches the straight tube type LED lamp 14, the user only needs to look in the vicinity of the ground side cap pin insertion portion 35 of the ground side socket 13 to determine the ground side cap pin 27 of the straight tube type LED lamp 14. It can be confirmed that the direction is correct.
The display unit 37 may have a color different from the color of the ground side socket 13 such as yellow or black instead of red, and may be formed in a star shape or a round shape instead of a triangular shape. Good.

The straight tube type LED lamp 14 is configured such that after a single ground side base pin 27 is first inserted into the ground side base pin insertion portion 35 of the ground side socket case 36, a pair of power supply side base pins 25 are connected to the power supply side socket case. 34 is inserted into the power supply side cap pin insertion portion 33.
Then, the straight tube type LED lamp 14 is rotated by a predetermined angle so that the LED 28 is directed in the irradiation target direction, and the pair of power supply side cap pins 25 are connected to the power supply side terminal receptacle. The ground side cap pins 27 are electrically connected to the ground side terminal receptacles, respectively.

As shown in FIG. 5, the straight tube type LED lamp 14 is arranged so that the base 26 at the other end sufficiently covers the display portion 37 that the ground side socket case 36 has.
Therefore, when the straight tube type LED lamp 14 is attached, the display part 37 of the ground side socket case 36 is not directly viewed, so that the design can be improved.

  As shown in FIG. 6, when the straight tube type LED lamp 14 is attached to the ground side socket 13, the other end of the straight tube type LED lamp 14 is the modification of the lighting fixture 10 of one embodiment which concerns on this invention. A display unit 37 is provided at a position where a part is hidden by the base 26 of the unit.

  As shown in FIG. 7, another modification of the lighting fixture 10 according to the embodiment of the present invention is a lower surface of the ground side socket case 36 of the ground side socket 13 and in the vicinity of the ground side base pin insertion portion 35. The display unit 37 is included.

As shown in FIG. 8, another modification of the lighting fixture 10 according to the embodiment of the present invention is a lower surface of the ground side socket case 36 of the ground side socket 13 and in the vicinity of the ground side base pin insertion portion 35. And the display part 37 is provided in the nozzle | cap | die 26 of the other end part of the straight tube | pipe type LED lamp 14, respectively.
The pair of display portions 37 function as alignment marks.

  As shown in FIG. 9, another modification of the lighting fixture 10 according to the embodiment of the present invention is that the grounding side socket case 36 of the grounding side socket 13 is grounded on the side surface on the mounting side of the straight tube type LED lamp 14. There is a display unit 37 for displaying the type of ground.

As shown in FIG. 10, another modification of the lighting fixture 10 according to the embodiment of the present invention is a circle on the side of the ground side socket case 36 of the ground side socket 13 on the mounting side of the straight tube type LED lamp 14. The display unit 37 has a shape.
The display unit 37 has a different color from the ground side socket case 36 of the ground side socket 13 and has an outer diameter L2 that is sufficiently smaller than the outer diameter L1 of the base 26 at the other end of the straight tube type LED lamp 14. Have

  As described above, according to the lighting apparatus 10 of the embodiment, when the user attaches / detaches the straight tube LED lamp 14, the display unit 37 causes the single ground side of the straight tube LED lamp 14 to be attached. By promptly attaching the cap pin 27 to the ground-side socket 13, it is possible to prevent erroneous installation of the straight tube type LED lamp 14.

  Moreover, according to the lighting fixture 10 of one Embodiment, when the straight tube | pipe type LED lamp 14 is attached, since the display part 37 of the earthing | grounding side socket case 36 is not directly looked at, it can do with a design surface favorable.

  And according to the lighting fixture 10 of one Embodiment, when a user removes | attaches and removes the straight tube | pipe type LED lamp 14, only by seeing the ground side socket 13, the ground side cap pin 27 of the straight tube | pipe type LED lamp 14 is shown. It can be confirmed that the direction of is correct.

  Furthermore, according to the lighting fixture 10 of one embodiment, since the display unit 37 has a color different from that of the ground side socket case 36, when the user attaches / detaches the straight tube type LED lamp 14, the straight tube type is used. It can be confirmed that the ground side cap pin 27 of the LED lamp 14 is correctly inserted.

  In addition, in the lighting fixture of this invention, an instrument main body, a reflecting plate, a power supply terminal block, a power supply block etc. are not limited to one Embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 Appliance main body 12 Power supply side socket (1st socket)
13 Ground side socket (second socket)
14 Straight tube type LED lamp 25 Power supply side cap pin (One cap pin)
27 Grounding side cap pin (the other cap pin)
37 Display section

Claims (4)

Straight tube type LED lamp,
A first socket connected to one of the cap pins of the straight tube type LED lamp;
A second socket connected to the other cap pin of the straight tube type LED lamp;
An instrument body for holding the first socket and the second socket;
To urge at least one of the first socket and the second socket to attach the one cap pin to the first socket side or the other cap pin to the second socket side. A lighting fixture provided with a display portion of a color different from the color. The lighting fixture according to claim 1,
The lighting fixture in which the said display part is arrange | positioned in the position where at least one part is hidden in the said straight tube | pipe type LED lamp. The lighting fixture according to claim 1 or 2,
The said lighting part is arrange | positioned on the extension line along the insertion direction of the said cap pin of the said straight tube | pipe type LED lamp. In the lighting fixture of any one of Claims 1 thru | or 3,
The lighting fixture in which the said display part is a color different from the said 1st socket or the said 2nd socket.

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