JP2011249090A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture capable of preventing displacement of a monitor lamp.SOLUTION: The lighting fixture 10 has an emergency lamp box 16 for housing a ballast 18 for carrying out general lighting, an emergency lamp block 19 for carrying out emergency lighting, a monitor lamp 20 for showing a charged state of a battery for emergency lighting, and an inspection switch 21 for checking the charged state of the battery, and a monitor lamp fitting tool 22 which has a slit at a fitting part to the emergency lamp box 16 and holds the monitor lamp 20 and the inspection switch 21 is fitted to the emergency lamp box 16 through the slit.

Description

  The present invention relates to a lighting fixture that is directly attached to a ceiling construction surface of, for example, a house or a factory, and particularly relates to a lighting fixture that performs emergency lighting.

  Conventionally, an inspection switch for detecting the discharge voltage of a battery for emergency lighting and a monitor lamp (charging monitor) that is lit by the power of the battery by closing the inspection switch are external surfaces of the side wall covered with the first frame cover. There is known a lighting fixture attached to the camera (for example, see Patent Document 1).

JP-A-6-168607 (FIG. 1, paragraph number 0029)

The lighting fixture described in Patent Document 1 described above can determine whether or not the battery stores power to turn on the fluorescent lamp in the event of an emergency such as a power failure, by closing the inspection switch.
On the other hand, there has been proposed such a conventional lighting fixture in which an inspection switch and a monitor lamp are attached to an emergency light box using an inspection switch mounting bracket.
As shown in FIG. 17, such a conventional lighting fixture 100 has an inspection switch 102 and a monitor lamp 103 accommodated inside an inspection switch mounting bracket 101 that is bent in a U shape, and the inspection switch mounting bracket. 101 is inserted from below into an opening 105 on the side of an emergency light box 104 mounted on a reflector (not shown), and the upper plate 106 is screwed to the emergency light box 104.
However, in such a conventional lighting fixture 100, the lower part of the inspection switch mounting bracket 101 is easily bent inward and outward of the emergency light box 104. For this reason, the position of the monitor lamp 103 and the position of the monitor lamp hole in the reflecting plate are easily misaligned. If the position of the monitor lamp 103 is deviated from the monitor lamp hole of the reflecting plate, it is difficult to confirm the monitor lamp 103.
Further, in the conventional lighting apparatus 100, when the upper plate 106 of the inspection switch 102 is pulled, the lower part of the inspection switch mounting bracket 101 is bent by the tensile force, and the monitor lamp 103 is Easily displaced from the monitor lamp hole of the reflector.

  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 displacement of a monitor lamp.

  A lighting apparatus according to the present invention includes a ballast for general lighting, an emergency light block for emergency lighting, a monitor lamp indicating a charging status of a battery for emergency lighting, and a charging status of the battery. Has an emergency light box that houses the inspection switch, has a slit in the mounting portion with the emergency light box, and a monitor lamp mounting bracket that holds the monitor lamp and the inspection switch is attached to the emergency light box through the slit .

  In the luminaire according to the present invention, the monitor lamp mounting bracket is bent on the side opposite to the emergency light box of the slit.

  In the lighting fixture according to the present invention, the lead wire of the inspection switch is arranged inside the emergency light box with respect to the slit of the monitor lamp mounting bracket.

  In the lighting fixture according to the present invention, the monitor lamp mounting bracket has a contact plate that contacts the emergency light box up to the same position as the slit.

  According to the lighting fixture of the present invention, there is an effect that the positional deviation of the monitor 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 FIG. 1 is an external perspective view of the lighting apparatus of FIG. 1 is an exploded perspective view of the lighting apparatus of FIG. 1 is an exploded perspective view of the emergency light box and the main body of the lighting apparatus of FIG. FIG. 1 is a partially cutaway perspective view of an emergency light box of the lighting apparatus of FIG. External perspective view after assembly of the emergency light box of FIG. Bottom view after assembly of the emergency light box and the instrument body of FIG. Vertical sectional view of the luminaire of FIG. 1 is an external perspective view of a monitor lamp mounting bracket applied to the lighting apparatus of FIG. Front view of the monitor lamp mounting bracket of FIG. Plan view of the monitor lamp mounting bracket of FIG. Bottom view of the monitor lamp mounting bracket in Fig. 9 Left side view of the monitor lamp mounting bracket shown in FIG. FIG. 1 is a perspective view of an external appearance of the monitor lamp mounting bracket in the lighting apparatus shown in FIG. FIG. 1 is an external perspective view of the monitor lamp mounting bracket in the lighting apparatus shown in FIG. The bottom view of the lighting fixture of FIG. External view of conventional lighting equipment

Hereinafter, the lighting fixture which concerns on one Embodiment of this invention is demonstrated with reference to drawings.
A lighting fixture 10 according to an embodiment of the present invention is disposed in the longitudinal direction of a reflector 11, a pair of straight tube fluorescent lamps 12 disposed in the longitudinal direction on the inner surface of the reflector 11, and the reflector 11. Main body 13, a pair of reflector adapters 14 attached to the main body 13, two pairs of sockets 15 attached to the main body 13, an emergency light box 16, and a power terminal block accommodated in the emergency light box 16 17, a ballast 18, an emergency light block 19, an inspection switch 21 equipped with a monitor lamp 20, and a monitor lamp mounting bracket 22 for attaching the inspection switch 21 to the emergency light block 19. It is buried and installed inside.

  As shown in FIGS. 1, 2, and 3, the reflecting plate 11 is formed using a relatively thin metal plate member. The reflecting plate 11 has a top plate 23, a pair of short end plates 24 arranged opposite to each other, and a pair of long side plates 25 arranged opposite to each other, and the lower side thereof is opened. Yes. The top plate 23 has two pairs of socket insertion holes 26 at both ends on the end plate 24 side. The top plate 23 is integrally formed with a monitor lamp hole 27 for confirming the monitor lamp 20 included in the inspection switch 21 and a string insertion hole 29 for inserting an operation string member 28 included in the inspection switch 21 on the side of the top plate 23. Have.

  The instrument main body 13 is formed in a substantially U shape in a vertical sectional view from a top plate 30 and a pair of side plates 31 arranged to face each other using a metal plate member equivalent to the reflecting plate 11. The main body 13 has a power terminal block insertion hole 32 in the top plate 30 and two pairs of slit holes 33 for attaching an emergency light box near both ends of the side plate 31. The appliance main body 13 has socket support members 34 attached to both ends thereof, and two sockets 15 are attached to each of the socket support members 34. The socket 15 protrudes downward from the socket support member 34. A pair of reflector adapters 14 is made of metal and has a substantially U-shaped outer shape, and is sandwiched between the top plate 23 of the reflector 11 and the instrument body 13 and screwed.

  The emergency light box 16 is made of a metal plate member equivalent to the appliance main body 13, and the top plate 35, a pair of short end plates 36 arranged opposite to each other, and a long size arranged opposite to each other. The side plate 37 and the lower side are open. In the emergency light box 16, an inspection switch mounting portion 38 is formed on one side plate 37, and the inspection switch 21 is mounted on the inspection switch mounting portion 38 via a monitor lamp mounting bracket 22. In the emergency light box 16, the power terminal block 17, the ballast 18, and the emergency light block 19 are accommodated inside the end plate 36 and the side plate 37.

  The power terminal block 17 is attached to the center of the back surface of the top plate 35 of the emergency light box 16. A power supply line for supplying commercial power from the ceiling construction surface side is electrically connected to the power supply terminal block 17, and a space from the power supply terminal block 17 to the ballast 18 is electrically connected by a tool wire (not shown). . Then, from the ballast 18, a tool wire (not shown) is routed to the socket 15. The ballast 18 is attached to the inner surface of one side plate 37 of the emergency light box 16 and incorporates an inverter circuit and the like.

  The emergency light block 19 is attached to the inner surface of the other side plate 37 of the emergency light box 16 and is a power source for evacuation guidance defined in the Building Standards Law. The emergency light block 19 is obliged to be installed in commercial facilities, industrial facilities, accommodation facilities, etc., and has the ability to continue to be lit for several tens of minutes to several hours with a storage battery (secondary battery, battery). Therefore, even if a power failure occurs during evacuation, it can be used as an escape target. The emergency light block 19 is a combination type, and causes the fluorescent lamp 12 to be lit in an emergency by a charged storage battery at the time of a power failure. Therefore, the emergency light block 19 has a built-in storage battery, and the storage battery is charged during normal energization, and is automatically switched during power failure to control lighting.

  The life of the storage battery in the emergency light block 19 is normally about 4 to 6 years, so it needs to be replaced periodically. For this reason, the storage battery of the emergency light block 19 is required to be regularly inspected by the Building Standard Law. An inspection switch 21 is attached to the emergency light block 19. The inspection switch 21 is equipped with an operation string member 28 suspended from the floor surface, and since the operation string member 28 is pulled to be in the same state as at the time of a power failure, whether or not it operates normally. Inspection is performed. The monitor lamp 20 provided in the inspection switch 21 displays the operation status of the emergency light and the cause of the abnormality. For example, when the green monitor lamp 20 is lit, it is normal, and when the red monitor lamp 20 is lit, blinking, or when the green monitor lamp 20 is blinking, it is abnormal. The monitor lamp 20 is viewed from the floor side through the monitor lamp hole 27.

  As shown in FIGS. 4, 5, 6, and 7, the emergency light box 16 has an instrument body fixing flange 40 having a pair of screw holes 39 at the center of the end plate 36. A pair of opposing locking claws 41 project inward from the cut portion of the instrument body fixing flange 40 in the end plate 36. In mounting, the emergency light box 16 is advanced from above the instrument body 13 toward the instrument body 13. Then, the locking claw 41 of the end plate 36 of the emergency light box 16 is externally inserted into the side plate 31 of the instrument main body 13, and the locking claw 41 is inserted into the slit hole 33 of the side plate 31 of the instrument main body 13. Thereby, the emergency light box 16 is positioned at a predetermined position of the appliance main body 13. And the emergency light box 16 is attached to the instrument main body 13 by screwing the screw 42 into the screw hole 39 of the fixture main body fixing flange 40 from the screw hole 43 which the top plate 30 of the instrument main body 13 has in that position.

  As shown in FIG. 8, the reflector 11 is attached to the fixture body 13 to which the emergency light box 16 is attached via the reflector adapter 14. At this time, since the emergency light box 16 is disposed at the center of the top plate 23 of the reflecting plate 11 so that the lower side is opened, the reflecting plate passes through the inside of the emergency light box 16 from the side plate 25 side of the reflecting plate 11. 11 is formed to communicate with the other side plate 25 side. And since air distribute | circulates through this air flow path 44, the heat-generating electrical components, such as the stabilizer 18 accommodated in the emergency light box 16, can be cooled efficiently.

Next, the monitor lamp mounting bracket 22 will be described in detail.
As shown in FIGS. 9, 10, 11, 12, and 13, the monitor lamp mounting bracket 22 is made of a metal plate member equivalent to the instrument body 13, and includes a front plate 45, a top plate 46, A bottom plate 47 and a pair of contact plates 48 are provided.

  The monitor lamp mounting bracket 22 is formed such that the top plate 46 is bent backward by approximately 90 degrees at the upper end edge of the front plate 45, and the bottom plate 47 is bent backward by approximately 90 degrees at the lower end edge of the front plate 45. Has been. The contact plate 48 is formed by bending the contact plate 48 backward 90 degrees at both side edges of the front plate 45. The top plate 46 and the bottom plate 47 are arranged in parallel, and the top plate 46 and the bottom plate 47 are formed with two pairs of slits 49 at a predetermined distance L1 from the front plate 45. The contact plate 48 has the same length L1 from the front plate 45 as the distance L1 from the front plate 45 to the slit 49. The top plate 46 has a screw hole 50 for screwing to the emergency light box 16 side. The bottom plate 47 has a mounting hole 51 for the monitor lamp 20 and a string member drawing portion 52 for pulling out the operation string member 28. The monitor lamp mounting bracket 22 is formed by bending the contact plate 48 at the end edges of the top plate 46 and the bottom plate 47 having the slits 49, so that it is far more than a simple one like the conventional one. Have high strength.

Next, a procedure for mounting the monitor lamp 20 to the emergency light box 16 using the monitor lamp mounting bracket 22 will be described.
As shown in FIG. 14, the inspection switch mounting portion 38 formed on one side plate 37 of the emergency light box 16 is open at the bottom and is slightly smaller than the front plate 45 of the monitor lamp mounting bracket 22. It is formed in a shape, and has a left end edge 53 on its left side and a right end edge 54 on its right side. The inspection switch 21 is accommodated in a space surrounded by the front plate 45, the top plate 46, the bottom plate 47, and the pair of contact plates 48 of the monitor lamp mounting bracket 22. The inspection switch 21 is housed in the space of the monitor lamp mounting bracket 22, so that the monitor lamp 20 is mounted in the mounting hole 51 of the bottom plate 47, and the operation string member 28 is moved downward from the string member drawing portion 52 of the bottom plate 47. Pulled out.

  Next, the monitor lamp mounting bracket 22 in which the inspection switch 21 is accommodated is disposed below the inspection switch mounting portion 38 of the emergency light box 16, and the left edge 53 of the inspection switch mounting portion 38 of the emergency light box 16. The monitor lamp mounting bracket 22 is moved upward from the lower side of the side plate 37 while the slits 49 of the top plate 46 and the bottom plate 47 of the monitor lamp mounting bracket 22 are extrapolated to the right edge portion 54 and the right end edge 54, respectively. .

  As shown in FIG. 15, the monitor lamp mounting bracket 22 accommodating the inspection switch 21 is moved upward from below the side plate 37, so that the top plate 46 is attached to the upper edge 55 of the inspection switch mounting portion 38. The monitor lamp mounting bracket 22 is moved while the slit 49 is guided by the left end edge 53 and the right end edge 54 of the inspection switch mounting portion 38 of the emergency light box 16 until they abut. Then, a screw (not shown) is screwed to the emergency light box 16 side through the screw hole 50 of the top plate 46 of the monitor lamp mounting bracket 22.

  As shown in FIG. 16, in the monitor lamp mounting bracket 22 attached to the inspection switch mounting portion 38, the lead wire 56 drawn out from the inspection switch 21 is routed inside the emergency light box 16 away from the front plate 45. Is done. Therefore, the lead wire 56 is hidden and arranged so as not to protrude from the emergency light box 16. In the monitor lamp mounting bracket 22, two pairs of slits 49 are guided by the left end edge 53 and the right end edge 54 of the inspection switch mounting portion 38, and the top plate 46 is screwed to the emergency light box 16 side. Is done. As a result, the monitor lamp mounting bracket 22 is firmly attached to the emergency light box 16 by four-point support by the two pairs of slits 49 and screwing. It will not bend toward Further, the monitor lamp mounting bracket 22 is attached to the inspection switch mounting portion 38, so that the contact plates 48 at both side edges of the front plate 45 abut on one side plate 37 of the emergency light box 16. As a result, the monitor lamp mounting bracket 22 is supported by the emergency light box 16 without rattling.

  In the lighting fixture 10, the monitor lamp mounting bracket 22 attached to the inspection switch mounting portion 38 is attached, the emergency light box 16 is attached to the fixture body 13, and the fixture body 13 is attached to the reflector 11 via the reflector adapter 14. It is attached. As a result, in the lighting fixture 10, the monitor lamp 20 of the inspection switch 21 is disposed in the monitor lamp hole 27 of the top plate 23 of the reflecting plate 11 without being displaced, and the string member 28 for operating the inspection switch 21 is disposed in the string insertion hole 29. Will be inserted without displacement.

Therefore, in the lighting fixture 10 of this embodiment, the monitor lamp mounting bracket 22 guides the two pairs of slits 49 to the left end edge 53 and the right end edge 54 of the inspection switch mounting portion 38. It is attached to the emergency light box 16.
Thereby, in the lighting fixture 10 of this embodiment, since the inspection switch 21 is firmly attached to the emergency light box 16 by the monitor lamp mounting bracket 22, it is provided inside and outside the emergency light box as in the conventional case. Therefore, the monitor lamp 20 can be prevented from being displaced.

Moreover, in the lighting fixture 10 of this embodiment, the monitor lamp mounting bracket 22 is formed by bending the contact plate 48 at the edges of the top plate 46 and the bottom plate 47 having the slits 49.
Thereby, in the lighting fixture 10 of this one embodiment, the monitor lamp mounting bracket 22 has much higher strength than that of a simple bent like the conventional one.

Further, in the lighting fixture 10 of this embodiment, the monitor lamp mounting bracket 22 attached to the inspection switch mounting portion 38 has the emergency light box in which the lead wire 56 drawn from the inspection switch 21 is separated from the front plate 45. Arrange 16 inside.
Thereby, in the lighting fixture 10 of this one embodiment, the lead wire 56 can be concealed so as not to protrude from the emergency light box 16 and smartly arranged.

Further, in the lighting fixture 10 of this embodiment, the monitor lamp mounting bracket 22 has the contact plate 48 at the side edge of the front plate 45 at the same position as the slit 49, so the contact plate 48 is an emergency light. It abuts against one side plate 37 of the box 16.
Thereby, in the lighting fixture 10 of this one embodiment, the monitor lamp mounting bracket 22 is supported on the emergency light box 16 without rattling.

  In addition, the reflecting plate 11, the fluorescent lamp 12, the instrument main body 13, the reflecting plate adapter 14, the socket 15 and the like used in the embodiment are not limited to those illustrated, and can be appropriately changed.

DESCRIPTION OF SYMBOLS 10 Lighting fixture 16 Emergency light box 18 Ballast 19 Emergency light block 20 Monitor lamp 21 Inspection switch 22 Monitor lamp mounting bracket 48 Contact plate 49 Slit 56 Lead wire

Claims (4)

A ballast for general lighting,
An emergency light block for emergency lighting,
A monitor lamp showing the state of charge of the battery for emergency lighting;
An emergency light box that houses an inspection switch for confirming the state of charge of the battery;
A lighting fixture having a slit in a mounting portion with the emergency light box, and a monitor lamp mounting bracket for holding the monitor lamp and the inspection switch attached to the emergency light box through the slit. The lighting fixture according to claim 1,
The monitor lamp mounting bracket is a lighting fixture in which the opposite side of the slit to the emergency light box is bent. The lighting fixture according to claim 1 or 2,
The inspection switch is a luminaire in which the lead wire is disposed inside the emergency light box with respect to the slit of the monitor lamp mounting bracket. The lighting fixture according to any one of claims 1 to 3,
The monitor lamp mounting bracket is a lighting fixture having a contact plate that contacts the emergency light box up to the same position as the slit.

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