JP2011003346A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture easy to take weight balance and capable of improving handleability.SOLUTION: The lighting fixture 10 is provided with a fixture body 11 housing light sources 12, 13, an arm 14 supporting the fixture body 11, and a box part 18 incorporating igniters 16, 17. The box part 18 is attached through a metal fitting 15.

Description

  The present invention relates to a lighting fixture that projects light onto a structure, a runway, and the like by being attached to a fixture mounting base such as a structural frame or a pole.

  As an example of a conventional lighting fixture, there is one in which an igniter is attached to the back surface of the fixture body (see, for example, Patent Literature 1 and Patent Literature 2).

Japanese Patent Laid-Open No. 9-0773803 (FIG. 1, claim 1) Japanese Patent Application Laid-Open No. 11-096804 (FIG. 1, column of embodiment of the invention)

  In the design of floodlights, instantaneous restartability is indispensable, especially for runway floodlights. In general, floodlights often use HID lamps, and for instant lighting, lighting is performed by high-pressure pulse starting. Therefore, an igniter (high voltage pulse generator) is required.

  However, since there is a concern about the attenuation of the igniter pulse, the igniter may be built in the instrument body together with the HID lamp.

  However, if the igniter is built in the instrument body, the instrument body will have a large mass, and when inspecting the igniter, the heavy instrument body must be operated to open the glass frame on the lower surface. The operability of the instrument body was not good.

The conventional lighting fixtures disclosed in Patent Documents 1 and 2 have been proposed in view of such a background. However, such a luminaire is heavy and the igniter box housing the igniter and the instrument body are separated from the axis of the arm that supports the instrument body.
Therefore, there is a further problem that it is difficult to achieve a weight balance and an unstable load can be caused by applying a large load to the arm.

  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 easily balance the weight and improve the handleability.

  A luminaire according to the present invention includes a luminaire main body that houses a light source, an arm that supports the luminaire main body, and a box portion that incorporates a part or all of the lighting device that turns on the light source. And the said box part is attached through the support metal fitting over the said instrument main body, It is characterized by the above-mentioned.

Here, the lighting device includes an igniter and a ballast when the light source is HID, and includes a ballast when the light source is an electrodeless discharge lamp.
In the present invention, a box part that partially or wholly constitutes a lighting device that turns on the light source is attached via a support bracket, so that the support shaft having the box part and the instrument body on the arm via the support bracket is attached. They can be placed close to each other.
Accordingly, it is easy to balance the weight, and the handleability can be improved.

  The lighting fixture according to the present invention is characterized in that, in the lighting fixture having the above-described configuration, the support fitting also serves as the arm.

  In the present invention, since the support fitting also serves as an arm, a stable weight balance can be easily obtained and the number of parts can be reduced.

  In the lighting fixture according to the present invention, in the lighting fixture having the above-described configuration, the support fitting has a latching portion that is latched on a part of the arm, and the latching portion is screwed to the arm. It is characterized by that.

In the present invention, the support fitting to which the box portion is attached is fixed to the arm with the hook portion hooked to a part of the arm.
As a result, even if the screw fixation is removed, the state where the latching portion is latched on the arm is maintained.
Therefore, the box part can be prevented from falling.

According to the lighting fixture of the present invention, the box portion containing the igniter is attached via the support fitting.
Thereby, it has the effect that it is easy to take a weight balance and can improve handleability.

The external appearance perspective view seen from diagonally forward of the lighting fixture of 1st Embodiment which concerns on this invention 1 is an external perspective view of the lighting apparatus shown in FIG. Circuit diagram of the lighting apparatus shown in FIG. The partially broken front view of the lighting fixture shown in FIG. Left side view of the luminaire shown in FIG. 1 is an exploded perspective view of a vertical rotation mechanism in the lighting apparatus shown in FIG. FIG. 6 is a vertical sectional view of the vertical rotation mechanism shown in FIG. The partially broken side view around the box part in the lighting fixture shown in FIG. The disassembled perspective view of the left-right direction rotation mechanism in the lighting fixture shown in FIG. The top view of the left-right direction rotation mechanism in the lighting fixture shown in FIG. External appearance perspective view explaining operation | movement of the lighting fixture shown in FIG. The external appearance perspective view seen from diagonally upward of the lighting fixture of 2nd Embodiment which concerns on this invention The external appearance perspective view seen from diagonally backward of the lighting fixture of 3rd Embodiment which concerns on this invention The circuit block diagram of the modification of this invention

  Hereinafter, the lighting fixture which concerns on several embodiment of this invention is demonstrated with reference to drawings.

(First embodiment)
The lighting fixture 10 of 1st Embodiment of this invention is demonstrated based on FIGS.
As shown in FIGS. 1 and 2, the lighting apparatus 10 includes an apparatus main body 11, a pair of HID light sources 12 and 13 held by the apparatus main body 11, an arm 14, a support fitting 15, and an HID light source at start-up. A pair of igniters 16 and 17 for activating the HID light sources 12 and 13 by applying a pulse to 12 and 13, a single box portion 18 made of metal containing the pair of igniters 16 and 17, and a pair of stable A heavy-weight object having a full width dimension of, for example, 50 cm to 100 cm, provided with the containers 19, 20, the left-right direction rotation mechanism 21, and the up-down direction rotation mechanism 22, is attached to the lower surface of the structural housing 1.

  The instrument main body 11 is made of aluminum die casting and has an opening 23 formed below. A bottom glass 25 is attached to the opening 23 via two pairs of latch members 24 arranged to face each other in the front-rear direction in FIG. The lower glass 25 is rotated so as to open the opening 23 by the pair of latch members 24 in the rear in FIG. 1 by releasing the engagement of the pair of latch members 24 in the front in FIG. The instrument main body 11 forms an uneven surface 26 for heat dissipation.

  The arm 14 is a metal plate member having sufficient rigidity and is formed in a U shape. The arm 14 has a pair of side plates 27 and a top plate 28 connected to each of the side plates 27. The arm 14 has a vertical rotation mechanism 22 arranged at the tip of the side plate 27 to support the instrument body 11 so as to be rotatable in the vertical direction, and a horizontal rotation mechanism 21 is arranged above the top plate 28. The instrument body 11 is supported so as to be rotatable in the left-right direction.

  The support fitting 15 is a metal plate member having sufficient rigidity similar to the arm 14, and is formed in a substantially mountain shape straddling the instrument main body 11. That is, the support fitting 15 rises upward from both side surfaces of the instrument body 11 and is connected to the upper part of the instrument body 11. The support metal fitting 15 has an arm side fixing portion 29 at the upper end portion thereof, and has a box portion fixing plate 30 below it.

  The box portion 18 has a pair of instrument wiring outlets 31 on its side. Instrument wires 32 and 33 drawn from the pair of igniters 16 and 17 are drawn out to the appliance wire outlet 31, and the drawn appliance wires 32 and 33 are electrically connected to the ballasts 19 and 20, respectively. Has been.

  As shown in FIG. 3, the lighting fixture 10 includes one ballast 19 connected in series to one HID light source 12 housed in the fixture body 11, and the other HID housed in the fixture body 11. The other ballast 20 is connected to the light source 13 in series, and these are connected in parallel to a commercial power source. In addition, it can replace with the HID light sources 12 and 13 as a light source, and can also apply an electrodeless discharge lamp.

  As shown in FIGS. 4, 5, 6, and 7, the vertical rotation mechanism 22 mainly includes a rotation range regulating disk 34 and a handle 35.

  The rotation range restricting disk 34 has a scale portion 36 for displaying the rotation position of the instrument body 11, a rotation range restricting long hole 37, and a rotation range restricting step portion 38. It rotates through a sleeve 39 inserted through the. A rotation support bolt 40 is inserted through the sleeve 39, and the rotation support bolt 40 is inserted through the back disk 41 on the back surface of the side plate 27. The rotation support bolts 40 are respectively screwed to side rotation support portions 42 provided on both sides of the instrument body 11 via the side plates 27 of the arm 14. The back disk 41 has a rotation range regulating pin 43.

  The side plate 27 of the arm 14 has a shaft 44 inserted into the rotation range restricting long hole 37. A nut 45 is screwed to the shaft 44 on the front side of the rotation range regulating disk 34. A handle 35 is inserted through the side plate 27 of the arm 14. The handle 35 controls the rotation of the back disk 41 by the support member 46 and the nut 48 on the back side of the side plate 27.

  When the instrument main body 11 is rotated at a predetermined angle with respect to the arm 14, the vertical rotation mechanism 22 determines the rotation position of the instrument main body 11 by the scale portion 36 of the rotation range regulating disk 34. indicate. At this time, the instrument main body 11 has a back disk 41 in which the shaft 44 in the rotation range restricting long hole 37 is in contact with the end of the rotation range restricting long hole 37 and the rotation range restricting step portion 38 is in the back disk 41. The rotation is allowed only within a range where the rotation range restricting pin 43 abuts.

  As shown in FIG. 8, the support fitting 15 has a latching portion 49 that is latched to the top plate 28 of the arm 14 at the arm-side fixing portion 29 at the upper end thereof. Since the latching part 49 is formed in a hook shape, it is hooked on the top plate 28. And the arm side fixing | fixed part 29 and the top plate 28 are being integrally fixed by the volt | bolt 50 penetrated by each and the nut 51 screwed by the volt | bolt 50. As shown in FIG.

  The box portion 18 is screwed to the box portion fixing plate 30 of the support metal 15. The box portion 18 is formed in a box shape with the left side in FIG. 8 open. The box portion 18 is fixed to the box portion fixing plate 30 by inserting bolts 52 on the right side in FIG. 8 and screwing these bolts 52 to the box portion fixing plate 30. A lid member 53 is attached to the open portion, and the lid member 53 is fixed by screws 55 via a waterproof packing 54.

  As shown in FIGS. 9 and 10, the left-right direction rotation mechanism 21 includes a rotation support hole 57 provided in the fixed plate portion 56, and a rotation range restriction length provided around the rotation support hole 57. And a hole 58.

  The left and right direction rotation mechanism 21 is inserted into the rotation support hole 57 and a rotation support bolt 59 is screwed into the structural housing 1, and is inserted through the rotation range restriction long hole 58 to restrict the rotation range. A bolt 60 is screwed into the structural housing 1. As a result, in the left-right direction rotation mechanism 21, the fixed plate portion 56 is allowed to rotate within a range in which the rotation range restriction long hole 58 contacts the rotation range restriction bolt 60, and the instrument body 11 together with the arm 14. And the box part 18 rotates in the left-right direction.

  As shown in FIG. 11, in the luminaire 10, the fixing plate portion 56 is allowed to rotate within a range in which the rotation range restricting long hole 58 contacts the rotation range restricting bolt 60 by the left and right direction turning mechanism 21. Then, the instrument main body 11 and the box portion 18 are rotated in the left-right direction together with the arm 14 in the angle range θ1.

  The lighting fixture 10 allows the back disc 41 to rotate by loosening the handle 35, and then the shaft 44 in the rotation range restriction slot 37 is rotated by the vertical rotation mechanism 22. 37 is allowed to rotate within the range where it abuts against the end of 37 and within the range where the rotation range regulating step 38 abuts against the rotation range regulating pin 43 of the back disk 41, so that the instrument body with respect to the arm 14. 11 and the box portion 18 are rotated in the vertical direction within an angle range θ2.

As described above, in the lighting fixture 10 according to the first embodiment of the present invention, the box portion 18 including the igniters 16 and 17 is attached via the support fitting 15.
Thereby, in the heavy luminaire 10, the box portion 18 and the appliance main body 11 can be disposed close to the rotation support bolt 40 provided on the arm 14 via the support fitting 15.
Accordingly, it is easy to balance the weight, and the handleability can be improved.

In the lighting fixture 10 according to the first embodiment of the present invention, the support fitting 15 to which the box portion 18 is attached is fixed to the top plate 28 with the hook portions 49 hooked to the top plate 28 of the arm 14.
As a result, even if the screw fixing is removed, the hooking portion 49 is kept hooked on the arm 14.
Therefore, the box part 18 can be prevented from falling.

(Second Embodiment)
Next, the lighting fixture 70 of 2nd Embodiment of this invention is demonstrated based on FIG. In the following embodiments, components that are the same as those in the first embodiment described above or functionally similar components are simplified or omitted by giving the same reference numerals or equivalent symbols in the drawings. To do.

  As shown in FIG. 12, in the lighting fixture 70 of the second embodiment of the present invention, the box portion 18 is attached via a support fitting 71 fixed to the fixture main body 11, and the fixture main body 11 and the box. The part 18 is attached to the arm 14.

  The support fitting 71 is a metal plate member having sufficient rigidity similar to that of the arm 14 and is formed in a U shape. The support fitting 71 has a pair of side plates 73 fixed to the instrument main body 11 on both sides of a box portion fixing plate 72 for fixing the box portion 18.

  The lighting fixture 70 of 2nd Embodiment has an effect similar to 1st Embodiment. In particular, in this embodiment, since the box part 18 is arrange | positioned above the instrument main body 11, the width dimension of the horizontal direction of the instrument main body 11 can be made small, and compactization can be achieved.

(Third embodiment)
Next, the lighting fixture 80 of 3rd Embodiment of this invention is demonstrated based on FIG.

  As shown in FIG. 13, in the lighting fixture 80 according to the third embodiment of the present invention, the side plates 83 on both sides of the box portion fixing plate 82 of the support fitting 81 are respectively fixed to the side plates 27 of the arm 14.

  The lighting fixture 80 of 3rd Embodiment has an effect similar to 1st Embodiment. In particular, in the present embodiment, since the box portion 18 is supported by the arm 14 via the support fitting 81, the weight applied to the arm 14 is limited to the instrument body 11, and the lightweight rotation of the instrument body 11 alone can be achieved. it can.

In addition, the instrument main body 11, the HID light sources 12 and 13, the igniters 16 and 17, the ballasts 19 and 20 used in the embodiment are not limited to those illustrated, and can be appropriately changed.
For example, in the lighting fixture 90 shown in FIG. 14, an electrodeless discharge lamp 91 that is a light source and a ballast 92 that constitutes a lighting device that lights the electrodeless discharge lamp 91 are housed in the fixture body 11. The electrodeless discharge lamp 91 and the ballast 92 are connected in series and connected to a commercial power source.
The present invention also includes a lighting fixture 90.

10, 70, 80 Lighting equipment 11 Equipment body 12, 13 HID light source (light source)
14 Arm 15, 71, 81 Support bracket (metal fitting)
16, 17 Igniter 18 Box 49 Latch 91 Electrodeless discharge lamp (light source)

Claims (3)

An instrument body containing a light source;
An arm that supports the instrument body;
A box part containing part or all of the lighting device that turns on the light source; and
A lighting fixture comprising:
The said box part is attached via the support metal fitting over the said instrument main body, The lighting fixture characterized by the above-mentioned.   The lighting fixture according to claim 1, wherein the support fitting also serves as the arm.   The lighting fixture according to claim 1, wherein the support fitting has a latching portion that is latched on a part of the arm, and the latching portion is screwed to the arm. .

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