JPH087641A - Air-conditioning type luminaire - Google Patents

Abstract

PURPOSE:To prevent deformation of a reflecting plat,e. CONSTITUTION:A ventilating clearance 48 is arranged between a main reflecting plate 34 and an auxiliary reflecting plate 35. The main reflecting plate 34 and the auxiliary reflecting plate 35 are connected to each other by a support tool 55. A reinforcing plate part 56 and a connecting part 57 upward cut from this reinforcing plate part 56, are formed in the support tool 55. The connecting part 57 is fastened to the main reflecting plate 34 by a screw. Upper and lower end parts of the reinforcing plate part 56 are engaged with upper and lower folded-back side parts 45 and 46 of the auxiliary reflecting plate 35. The reinforcing plate part 56 is brought into contact in a sheet shape with the auxiliary reflecting plate 35. Thereby, strength of the auxiliary reflecting plate 35 is improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air-conditioning type luminaire having a reflecting plate provided with a ventilation gap.

[0002]

2. Description of the Related Art Conventionally, for example, actual Kaihei 4-121607
The air-conditioning type luminaire described in the publication is known. This air-conditioning type lighting fixture includes a fixture main body that is embedded and installed in the ceiling, and a straight tube fluorescent lamp is mounted between lamp sockets attached to both ends of the fixture main body. And, this air-conditioning type luminaire includes a main reflection plate arranged above the fluorescent lamp and a pair of auxiliary reflection plates arranged on both sides along the longitudinal direction of the fluorescent lamp by end plates at both ends. They are connected to form a reflector.

Further, the main reflection plate is formed with a main reflection surface portion facing the upper side of the fluorescent lamp and a side anti-slope surface portion which is bent in an expanding manner from both side edge portions of the main reflection surface portion. ,
The auxiliary reflection plate is formed with an auxiliary anti-slope portion facing the side portion of the fluorescent lamp. Then, the auxiliary reflectors are substantially parallel to the side anti-slope portions of the main reflector, respectively, and are spaced apart from each other on the inner side of the side anti-slope portions,
A ventilation gap for air conditioning is formed between the back side of these auxiliary reflectors and the front side of the side anti-slope portion.

Further, the lower ends of the side anti-slopes on both sides of the main reflector and the upper ends of the auxiliary reflectors are connected by a support at the longitudinal center. In addition, this support has a substantially U-shaped cross section, and one end is screwed to the lower end of the side anti-slope, and the other end is folded back to the upper end of the auxiliary reflector. To be engaged with. With this support, it is possible to suppress the deformation of the auxiliary reflection plate and maintain a uniform air flow rate.

[0005]

However, in the above-mentioned conventional structure, the upper end portion of the auxiliary reflecting plate is supported by being connected to the main reflecting plate by the supporting member, and the auxiliary reflecting plate and the supporting member are in line contact with each other. Therefore, if vibration etc. is transmitted during transportation of the air-conditioning type lighting equipment, the lower part of each auxiliary reflector will move and the connecting part between the auxiliary reflector and the support will be easily deformed. have. Further, since the lower side of each auxiliary reflector is easily moved, the lower side of each auxiliary reflector becomes unstable when handling the air-conditioning type lighting fixture, which causes a problem of poor workability.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an air-conditioning type lighting fixture capable of increasing the strength of a reflection plate and suppressing deformation.

[0007]

An air conditioner type lighting apparatus according to the present invention comprises an apparatus main body on which a lamp is mounted, a main reflection surface portion attached to the apparatus main body and facing the upper side of the lamp,
And a main reflection plate having a side reflection surface portion formed to expand downward from the side edge of the main reflection surface portion, and an air gap below the side reflection surface portion of the main reflection plate. The auxiliary reflection surface portion that is arranged and is formed in an expanded shape downwardly,
An upper reflection side portion folded back outward from the upper edge of the auxiliary reflection surface portion, and an auxiliary reflection plate having a lower folding side portion folded back outward from the lower edge of the auxiliary reflection surface portion,
A reinforcing plate portion that abuts the outer surface of the auxiliary reflecting plate in a planar manner, one end of which engages with the upper folded side portion and the other end of which engages with the lower folded side portion, and integrally from this reinforcing plate portion. And a support member having a connecting portion that is cut and raised to be connected and fixed to the side reflection surface portion of the main reflection plate.

[0008]

In the air-conditioning type luminaire of the present invention, air conditioning is performed through the ventilation gap formed between the side reflection surface portion of the main reflection plate and the auxiliary reflection surface portion of the auxiliary reflection plate. Then, the reinforcing plate portion of the support member planarly abuts on the outer surface of the auxiliary reflecting plate, and one end portion of the reinforcing plate portion is engaged with the upper folded side portion of the auxiliary reflecting plate, and The other end is engaged with the lower folded side of the auxiliary reflector, and the connecting portion formed by cutting and raising from the reinforcing plate is connected and fixed to the side reflecting surface of the main reflecting plate. Strength is improved and deformation is suppressed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the air-conditioning type lighting equipment of the present invention will be described below with reference to the drawings.

In FIG. 1, 11 is a support bar, and this support bar 11 is suspended and supported by a suspension bolt or the like fixed to a ceiling slab (not shown) with an interval of 1.2 m or 1.5 m, for example. Thus, a plurality of them are installed in parallel or in a grid in the ceiling. Also, each support bar 11
Is a section T having a vertical plate portion 11a and a horizontal plate portion 11b.
A so-called system ceiling is configured by placing a peripheral portion of a ceiling plate (not shown) on a mounting portion 11c formed on the upper surface of the horizontal plate portion 11b, which has a V-shaped rail shape.

Further, 12 is an air-conditioning type luminaire, and the air-conditioning type luminaire 12 is disposed between the support bars 11 and 11 adjacent to each other and is embedded in the system ceiling.
It has. A lighting device such as a terminal block 15 and a ballast (not shown) is attached to the upper side of the instrument body 14, and socket attachments are provided on the lower sides of both longitudinal ends of the instrument body 14, respectively. A stand 16 is provided.

Further, a plurality of lamp sockets 17 opposed to each other in the longitudinal direction of the instrument body 14 are attached to the socket mounting bases 16 so as to project downward, and a space between these lamp sockets 17 serves as a lamp. The straight tube type fluorescent lamps L are mounted respectively.

Frames 21, 21 having a substantially U-shaped cross section are provided on both sides of the instrument body 14 along the longitudinal direction of the instrument body 14. A leg engaging portion 24 having an elastically deformable locking plate 23 is connected to each frame 21, and each leg engaging portion 24 has a leg whose longitudinal direction is the vertical direction. The body 26 is fitted so as to be movable in the vertical direction. Also, on one side of this leg 26,
Not-shown locking holes that can be engaged with the locking plate 23 are formed at predetermined intervals in the up-down direction.
14 can be selectively engaged and held at a predetermined height position. Further, at the lower end of each leg 26, the support bar 11
A leg positioning portion 27 is provided which is engaged with the upper end of the.

Then, the leg 26 and the leg engaging portion 24.
The instrument body 14 is supported by the support bar 11 via.

Further, the lower surface of the instrument main body 14 is located between the lamp sockets 17 provided at both ends, the lower side is opened as the irradiation opening 31, and the inner side surface is expanded downward. The reflecting plate 32 is attached by a mounting tool such as a decorative screw 33. Then, as shown in FIG. 1 and FIG.
The reflector 32 includes a main reflector 34 and a pair of auxiliary reflectors on both sides.
35, 35 and an end plate 36 connecting the main reflecting plate 34 and the auxiliary reflecting plates 35, 35 are combined.

The main reflection plate 34 is formed by bending the main reflection surface portion 41, which is formed in a horizontal flat plate shape, and the both side edges of the main reflection surface portion 41 in the longitudinal direction downward in an expanded manner. And the side reflection surface portion 42.

Each of the auxiliary reflecting plates 35 is in the shape of an elongated rectangular plate, and the auxiliary reflecting surface portion 44 is formed by inclining the inner surface of the auxiliary reflecting surface portion 44 downwardly, and the upper edge of the auxiliary reflecting surface portion 44 is directed outward. An upper folded side portion 45 formed by folding back toward the outside and a lower folded side portion 46 formed by folding the lower edge of the auxiliary reflection surface portion 44 outward and having a substantially V-shaped cross section are formed.

The auxiliary reflecting surface portion 44 of each auxiliary reflecting plate 35
Are arranged in parallel to the side reflection surface portion 42 of the main reflection plate 34, and are spaced apart below the inside of the side reflection surface portion 42. That is, the upper end portion of the auxiliary reflection surface portion 44 of each auxiliary reflection plate 35 is located above and inside the lower end portion of the side reflection surface portion 42 of the main reflection plate 34, and these side reflection surface portions.
A groove-shaped ventilation gap 48 is formed between 42 and the auxiliary reflection surface portion 44 over substantially the entire length of the instrument body 14 in the longitudinal direction.

Further, the end plate 36 is formed with an end plate main body portion 51 having a vertical shape and an end plate auxiliary portion 52 bent from a lower edge portion of the end plate main body portion 51. And the end plate body portion 51
Is joined to both longitudinal ends of the main reflector 34 and the auxiliary reflector 35 to close both ends of the reflector 32, and the fluorescent lamp L is inserted into the end plate body 51. A plurality of lamp insertion holes 51a are formed. On the other hand, the end plate auxiliary portion 52 covers the lower side portion of the lamp socket 17 attached to the fixture body 14.

The lower edge of each auxiliary reflecting plate 35, which is the lower end of the reflecting plate 32, is placed on the placing portion 11c of the support bar 11.

Further, a pair of support members 55 on both sides are attached to the reflection plate 32 at a substantially central portion in the longitudinal direction, and connect the main reflection plate 34 and the auxiliary reflection plate 35 to each other. As shown in FIGS. 1 to 6, the support 55 includes a flat plate-like reinforcing plate portion 56 and a connecting portion 57 formed by cutting and raising the reinforcing plate portion 56 from a single metal plate. Has been done. The reinforcing plate portion 56 has an upper engaging portion 61 projecting from one side portion of the upper end portion, and at the lower end portion,
A lower engaging portion 62 whose end edge has a curved shape is formed.
Further, the connecting portion 57 includes a rising portion 64 that is raised from the reinforcing plate portion 56 and a fixing piece portion 65 that is bent in parallel with the reinforcing plate portion 56 from a tip end portion of the rising portion 64, and has a cross section of approximately L. The fixing piece portion 65 is formed in a character shape, and a long hole 66 is formed along the longitudinal direction of the reinforcing plate portion 56.

In this support 55, the reinforcing plate portion 56 is brought into contact with the outer side surface of the auxiliary reflecting surface portion 44 of the auxiliary reflecting plate 35, and the upper engaging portion 61 is engaged with the upper folding side portion 45 of the auxiliary reflecting plate 35. In addition, the lower engaging portion 62 is engaged with and held by the auxiliary reflecting plate 35 with the lower engaging portion 62 engaged with the lower folded side portion 46 of the auxiliary reflecting plate 35.
Further, the support 55 abuts the fixing piece portion 65 of the connecting portion 57 on the outer surface of the side reflection surface portion 42 of the main reflection plate 34, and screws formed in the vicinity of the lower edge of the side reflection surface portion 42. Hole 42a and slot 66
In the state in which and are aligned, a screw 68 is inserted from the outside of the long hole 66 and screwed into the screw hole 42a, so that the main reflector 34
It is connected and fixed to.

Further, as shown in FIG. 6, in this support tool 55, the reinforcing plate portion 56 is arranged so that the longitudinal direction of the reinforcing plate portion 56 is aligned with the longitudinal direction of the auxiliary reflecting plate 35. And the lower folding edge 46, and then the support 55
The upper engaging portion 61 by rotating the
45 while engaging the lower engaging portion 62 with the lower bent side portion 46.
Can be engaged with.

According to the air-conditioning type luminaire 12 of this embodiment, substantially the entire length of the reflector 32 is provided between the side reflector 42 of the main reflector 34 and the auxiliary reflector 44 of the auxiliary reflector 35. Since the air gap 48 extending over is formed, it is possible to efficiently perform air conditioning through the air gap 48 without increasing the thickness of the air-conditioning type lighting fixture 12.

Further, since the side reflection surface portion 42 of the main reflection plate 34 and the auxiliary reflection surface portion 44 of the auxiliary reflection plate 35 are connected by the support tool 55, the size and shape of the ventilation gap 48 can be maintained. The amount of ventilation can be kept uniform.

Then, the reinforcing plate portion 56 of the support 55 continuously planarly abuts from the upper end portion to the lower end portion of the outer side surface of the auxiliary reflecting plate 35, and the upper end portion of the upper end portion of the reinforcing plate portion 56 is engaged. Since the portion 61 engages with the upper folded side portion 45 of the auxiliary reflecting plate 35, the lower engaging portion 62 at the lower end of the reinforcing plate portion 56 engages with the lower folded side portion 46 of the auxiliary reflecting plate 35. The strength of the auxiliary reflection plate 35 is improved, and the deformation of the auxiliary reflection plate 35 can be suppressed.
Therefore, it is possible to maintain the shape of the ventilation gap 48 and maintain a uniform ventilation amount, suppress the vibration of the auxiliary reflection plate 35 during transportation, suppress the deformation of the auxiliary reflection plate 35, and improve the external appearance. Even when the air-conditioning type lighting fixture 12 is installed or handled, the lower side of each auxiliary reflection plate 35 can be stabilized to improve workability.

Further, since the supporting member 55 can be formed from a single metal plate, the structure is simple and an increase in manufacturing cost can be suppressed.

Since the lower end of the reinforcing plate portion 56 of the support 55 is formed in a curved shape, it can be easily engaged with the auxiliary reflecting plate 35 while rotating.

In the above embodiment, the pair of support members 55 on both sides are attached to the central portion of the reflecting plate 32 in the longitudinal direction, but any number of supporting members 55 may be arranged at any position along the longitudinal direction of each auxiliary reflecting plate 35. The support 55 can be attached.

The shape of the reflector 32 is not limited to that shown in FIG. 2 and the like, and the main reflector 34, the auxiliary reflector 35, and the end plate 36 may be separately connected to the instrument body 14, Further, each of the reflection plates 34, 35, 35 can be formed into a curved surface or the like. Further, the instrument main body 14 is not limited to one mounted on the support bar 11 embedded in the ceiling, and any shape such as one supported by an anchor or attached to the ceiling surface can achieve the same effect.

[0031]

According to the air-conditioning type luminaire of the present invention, air conditioning can be performed through the ventilation gap formed between the side reflection surface portion of the main reflection plate and the auxiliary reflection surface portion of the auxiliary reflection plate.
Then, the reinforcing plate portion of the support member planarly abuts on the outer surface of the auxiliary reflecting plate, and one end portion of the reinforcing plate portion is engaged with the upper folded side portion of the auxiliary reflecting plate, and The other end is engaged with the lower folded side of the auxiliary reflector, and the connecting portion formed by cutting and raising from the reinforcing plate is connected and fixed to the side reflecting surface of the main reflecting plate. The strength of the auxiliary reflector is improved, and the deformation of the auxiliary reflector can be suppressed. Therefore, it is possible to maintain the shape of the ventilation gap and maintain a uniform ventilation amount, improve the appearance, and facilitate handling. Moreover, the structure of the support is simple, and an increase in manufacturing cost can be suppressed.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of an air conditioner type lighting fixture of the present invention.

FIG. 2 is an exploded perspective view of the same air conditioning type lighting fixture.

FIG. 3 is a perspective view of a support tool of the air conditioning type lighting fixture.

FIG. 4 is a perspective view of a part of the above air-conditioning type lighting fixture.

FIG. 5 is a cross-sectional view of a part of the above air-conditioning type lighting fixture.

FIG. 6 is an explanatory diagram showing an assembling operation of the above air-conditioning type lighting fixture.

[Explanation of symbols]

 12 Air-conditioning type luminaire 14 Main body 34 Main reflector 35 Auxiliary reflector 41 Main reflection surface part 42 Side reflection surface part 44 Auxiliary reflection surface part 45 Upper folded side part 46 Lower folded side part 48 Ventilation gap 55 Support tool 56 Reinforcement plate part 57 Connecting part Fluorescent lamp as L lamp

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location F21V 17/00 360 N F24F 13/078

Claims (1)

[Claims] 1. An instrument main body to which a lamp is attached, a main reflection surface portion which is attached to the instrument main body and faces the upper side of the lamp, and a downwardly extending shape extending from a side edge of the main reflection surface portion. A main reflection plate having a side reflection surface part formed on the side surface of the main reflection plate, and an auxiliary reflection surface part formed below the side reflection surface part of the main reflection plate via a ventilation gap and formed in a downwardly expanding shape. An auxiliary reflection plate having an upper folding edge portion that is folded outward from the upper edge of the auxiliary reflection surface portion and a lower folding edge portion that is folded outward from the lower edge of the auxiliary reflection surface portion; A reinforcing plate portion that abuts the outer surface of the reflecting plate in a planar manner, one end of which engages with the upper folded side portion and the other end of which engages with the lower folded side portion, and a cut and raised piece from this reinforcing plate portion. A connection formed and connected and fixed to the side reflection surface portion of the main reflection plate An air-conditioning type lighting fixture, comprising: a support having a portion.