JPH07272512A - Guide light - Google Patents

Abstract

PURPOSE:To provide a guide light satisfying a standard. CONSTITUTION:An indication window 8 square-shaped with each one side being 100mm long is formed on a thin box appliance body 1. The indication window 8 is mounted with a square indication panel 9. A single base fluorescent lamp 51 with an approximately M-shaped bulb 55 is opposed to the indication panel 9. The center of the effective emission part of the fluorescent lamp 51 is aligned with the center of the indication window 8. In this way, the mean brightness and brightness uniformity of the indication window 8 are enhanced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide light having a substantially square display window.

[0002]

2. Description of the Related Art Conventionally, as this type of guide light, for example, a structure described in Japanese Utility Model Laid-Open No. 3-58684 is known.

In Japanese Utility Model Laid-Open No. 3-58684, an instrument body is constructed by combining a pair of front and rear panel frames, and a straight tube type fluorescent lamp having bases at both ends is arranged inside the instrument body. At the same time, a configuration in which a display panel having translucency is attached to each panel frame is described. Each display panel is formed to have a horizontally long aspect ratio of about 1: 3.

[0004]

By the way, recently, in the guide light for displaying the direction of the emergency exit, etc., the aspect ratio is 1 :.
A standard using a square display panel of No. 1 is under study. Then, in the standard of such a guide light, a standard is usually set so that a value of a certain value or more can be obtained in the average brightness and the brightness ratio of the display surface.

However, when a straight tube type fluorescent lamp, which has been conventionally used, is used as an induction lamp using such a square display panel, the size of the fluorescent lamp is reduced with respect to the area of the display panel. The hanging area becomes small, and the brightness of the display panel in the radial direction of the fluorescent lamp decreases, making it difficult to obtain a desired average brightness and making it difficult to improve the brightness uniformity. When a square display panel is used, if a straight tube fluorescent lamp with a large length is used, the light emitted from the fluorescent lamp cannot be effectively guided to the display panel, and the average brightness is reduced. There is a problem that it is difficult to improve.

The present invention has been made in view of the above circumstances, and an object thereof is to provide an induction lamp which can easily improve the average luminance and the uniformity of luminance and can easily satisfy the standard. .

[0007]

A guide lamp according to a first aspect of the present invention is a single-ended mold having a plurality of straight pipe portions arranged substantially parallel to each other and a connecting pipe portion connecting these straight pipe portions to each other. An instrument body having a fluorescent lamp, a lighting device, and a lamp socket to which the fluorescent lamp is attached, and an instrument main body provided with a substantially square display window provided facing the fluorescent lamp attached to the lamp socket. A transparent display panel mounted on a display window of the apparatus main body, wherein the fluorescent lamp has a center in a longitudinal direction of an effective light emitting portion of the straight tube portion and a parallel arrangement direction of the straight tube portions. The portion is mounted on the lamp socket by being substantially aligned with the central portion of the display window.

According to a second aspect of the present invention, there is provided the guide light according to the first aspect, wherein the display window of the instrument body has a substantially square shape whose one side length dimension is 100 mm or more and 110 mm or less,
The fluorescent lamp has a total luminous flux of 500 lm or more and 700 lm or less.

According to a third aspect of the present invention, there is provided the guide light according to the first or second aspect, wherein the instrument body is provided with a mounting portion to be mounted on a mounting portion, and the display panel is provided in plural with respect to the mounting portion. It is mounted in the display window of the instrument body in the direction of.

[0010]

According to the guide lamp of the first aspect, a single-ended type fluorescent lamp having a plurality of straight tube portions arranged substantially parallel to each other and a connecting tube portion connecting these straight tube portions to each other is used.
When this fluorescent lamp is mounted in the lamp socket, the fluorescent lamp faces the substantially square display window of the main body of the instrument on which the display panel is mounted, and the longitudinal direction of the effective light emitting portion of the straight tube portion and the straight tube portion. Since the central portion in the juxtaposed direction is substantially aligned with the central portion of the display window, the display panel is effectively illuminated by the light emitted from the straight tube portion of the fluorescent lamp.

In addition to the effect of the first aspect, the guide window of the second aspect has a display window of the main body of the instrument, which has a substantially square shape whose one side length dimension is 100 mm or more and 110 mm or less. Since the total luminous flux is 500 lm or more and 700 lm or less, the average luminance of the display unit is 150 to 200 cd / m ^2, and it is easy to provide a sufficient guide lamp to satisfy the standard.

According to the third aspect of the present invention, in addition to the function of the first or second aspect, the guide light is mounted on the ceiling surface or wall surface by installing the mounting portion provided on the fixture body. Or it is installed on the wall. Since the display panel is attached to the display window of the instrument body in a plurality of directions with respect to the attachment portion, it can be used even if the attachment direction of the instrument body changes.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the guide light of the present invention will be described below with reference to the drawings.

1 and 2, reference numeral 1 denotes a thin box-shaped instrument body, which is made of a resin having a substantially square thin box shape in which a front opening 2 opening toward the front surface is formed. Case body 3 and front opening 2 of this case body 3
And a resin case cover 5 having a rear opening 4 whose rear surface is opened.

A substantially square front plate 6 is formed on the case lid 5, and a peripheral wall 7 is integrally formed so as to rise rearward from the periphery of the front plate 6. Has been done.

Further, the front plate portion 6 of the case lid body 5 has
A display window 8 having a square shape whose one side has a longitudinal dimension L of 100 mm or more and 110 mm or less, for example, 100 mm is formed.

On the inner surface of the case lid 5,
Not-shown locking projections are provided around the display window 8, and a substantially square plate-shaped display panel 9 made of translucent acrylic or the like is attached and detached between the locking projections. It is freely fitted and fixed.

A so-called pictogram is drawn on the display panel 9. This pictogram is integrally formed by, for example, printing using a translucent ink, or is provided by attaching a separate sheet or the like to indicate the direction of the evacuation opening.

Further, as shown in FIG. 3, a lamp holder 10 is provided on the inner side surface of the case lid 5 at one side of the display window 8. The lamp holder 10 is formed with a pair of leg pieces 10a, and a substantially cylindrical base holder 10b supported by the leg pieces 10a.
Are formed. Further, the mouthpiece holding portion 10b is formed with an insertion opening 10c opening toward the center side of the display window 8, and a cutout portion 10d is formed from the opposite side of the insertion opening 10c to the rear opening 4 side. Has been formed.

On the other hand, a vertical rear plate portion 11 is formed on the case base body 3, and a peripheral wall portion 12 is formed upright from the periphery of the rear surface portion 11 toward the front side. The peripheral wall portion 12 includes horizontal upper and lower upper plate portions 12a and lower plate portions 12b and vertical side plate portions on both sides.
A frame shape is formed from 12c and 12d.

Further, in the upper plate portion 12a of the peripheral wall portion 12,
A mounting portion 14 is formed. This mounting portion 14 is the upper plate portion 12
It is reinforced by a metal mounting bracket 15 attached to the lower surface of a, and a wiring through hole 16 is formed at the center of both sides of the upper plate portion 12a.
Oval mounting holes 16a, 16 located on both sides of 16
b is formed. In addition, these through holes 16, 16a, 16b
May be formed as annular thin-walled portions (knockouts), and the thin-walled portions may be punched out as required to form the through holes 16, 16a, 16b.

Further, the lower plate portion 12b and the side plate portions 12c, 12d of the peripheral wall portion 12 are provided with mounting edges 18 along the inner edge portions so that the case lid body 5 can be fitted and fixed. ing. The lower plate portion 12b may be provided with a lower surface irradiation opening for lower surface irradiation, if necessary.

A rear display window 21 is formed on the rear plate portion 11 of the case base 3 so as to face the display window 8 of the case lid 5. This rear display window 21 is similar to the display window 8,
The longitudinal dimension L of one side is 100 mm or more and 110 mm or less, for example, a 100 mm square shape is formed, and the locking projections 22 and 22 having a substantially L-shaped cross section are formed on the upper and lower sides of the rear display window 21. Locking ridges 23, 23 are formed on both sides. Then, by engaging with these locking projections 22 and 23,
A display panel 24 similar to the display panel 9 mounted on the display window 8
Is detachably fitted and fixed.

The rear display window 21 can also be formed as an annular thin portion (knockout), and can be punched if necessary. Further, in this case, thin-walled portions are formed at three positions of the rear plate portion 11, and if necessary, wiring through holes and elliptical mounting through holes located on both sides of the wiring through holes. Can also be formed.

That is, in this guide light, a guide light for double-sided display is constructed with the display panels 9 and 24 attached to the front and rear display windows 8 and 21, and the display panel 9 is provided only in the front display window 8. A guide light for single-sided display is configured in a mounted state.

Then, a mounting bolt (not shown) planted on the ceiling surface or the like is inserted into the mounting through holes 16a and 16b to fasten a nut or the like, and the wiring through hole 16 is provided to the inside of the instrument main body 1. By introducing a power supply line (not shown), the mounting portion 14 is mounted on the ceiling surface, and a guide light for double-sided display or single-sided display ceiling mounting is constructed. Further, by mounting the rear plate portion 11 of the case base 3 on the wall surface, a guide light for wall surface mounting for single-sided display is configured.

Further, by mounting the mounting portion 14 on a wall surface, a guide light for wall surface mounting for double-sided display or single-sided display is constructed. In this case, the display panels 9 and 24 can also be used by rotating the display panels 9 and 24 by 90 degrees and mounting them on the display windows 8 and 21.

An external terminal block located inside the case base 3 on the lower surface side of the mounting bracket 15 for connecting to an external power supply line or the like introduced through the wiring through hole 16.
31 is attached, and a terminal block 32 for internal wiring is attached at the other side. Furthermore, a lighting device 33 having a charging device, a removable secondary battery, a normal time inverter, an emergency inverter, and a switching unit for switching between the normal time and the emergency time is attached to the case base 3. Then, on the lower plate portion 12b of the case substrate 3, a push button 38 for lighting confirmation and a pilot lamp 39 composed of a light emitting diode for normality confirmation are attached.

Further, a lamp socket 42 is attached to one side portion inside the case base body 3. The lamp socket 42 has a socket body 44 accommodating the connection fitting, and four pin connection holes 45 are formed on the front side of the socket body 44 toward the connection fitting. Further, on the inside of the socket body 44 (on the rear display window 21 side), a guide ridge 46 is provided so as to extend vertically, and
On the outer side of the socket main body 44 (on the side of the side plate portion 12c), a locking piece portion 47 that is elastically deformable toward the front side is provided to project. Further, an engaging claw 48 is provided at an intermediate portion of the engaging piece portion 47 so as to project toward the front side.

Further, while being electrically and mechanically connected to the lamp socket 42 attached to the case base body 3 and being mechanically held by the lamp holding portion 10 of the case lid body 5, the single-ended die is used. The fluorescent lamp 51 of is attached. The fluorescent lamp 51 is a so-called compact type fluorescent lamp, and has a base portion 53 having a cross section of an abbreviation shape.
A glass bulb 55 bent into a substantially W shape at one end of the
Both ends of are connected. Further, a lock receiving portion (not shown) is provided at the other end of the base portion 53. Further, a connection portion 56 is provided on one side surface along the longitudinal direction of the mouthpiece portion 53, and four mouthpiece pins 57 are provided on the connection portion 56 so as to project along the longitudinal direction. A pair of guide grooves 58 are formed.

In the valve 55, four straight pipe portions 61 are arranged in parallel and close to each other and arranged on the same plane, and the end portions of the straight pipe portions 61 are bent and connected. It is formed in a shape connected by the pipe portion 62. Therefore, straight pipe section
The width dimension a of the bulb 55 in the juxtaposed direction of 61 is a value close to four times the diameter dimension b of each straight pipe portion 61, and the effective light emission length c of the straight pipe portion 61 and the straight pipe portion 61. The width dimension a in the juxtaposed direction is substantially equal.

Further, filaments 64 serving as electrodes connected to the cap pins 57 are provided at the ends of the straight pipe parts 61 on both outer sides on the cap part 53 side, and between these filaments 64, approximately W
A discharge path that is bent in a letter shape is formed. The fluorescent lamp 51 emits light at the bulb 55, but mainly
The area from the filament 64 of each straight tube portion 61 to the vicinity of the tip of each straight tube portion 61 is an effective light emitting portion c that emits bright light. In addition, the longitudinal dimension of the effective light emitting portion c is Lc, and the straight pipe portion is
If the diameter dimension of 61 is b, then Lc = 2nb (where n
The relation is ≧ 1).

The single-ended die fluorescent lamp 51 is
Insert the base 53 from the insertion port 10c of the lamp holding unit 10 into the base holding unit.
It is attached to the case lid 5 while being inserted into 10b. Further, with the case lid 5 combined with the socket body 44, the lock receiving portion of the base portion 53 of the fluorescent lamp 51 is locked to the lamp socket 42 through the cutout portion 10d formed in the base holding portion 10b. The engaging claw 48 of the piece portion 47 is engaged and held, and the connecting portion 56 of the base portion 53 is engaged with the socket body 44 of the lamp socket 42. Further, in this state, the base pin 57 of the base portion 53 is inserted into the pin connection hole 45 of the socket body 44 to be electrically connected, and the guide groove 58 of the base portion 53 guides the guide protrusion 46 of the socket body 44. To be mechanically connected.

While the fluorescent lamp 51 is mounted in the lamp socket 42, the straight pipe portions 61 of the bulb 55 face the display panels 9 and 24 mounted in the display windows 8 and 21, respectively. The central portion of the width dimension a of the bulb 55 in the direction in which the straight pipe portions 61 are arranged in parallel and the central portion of the effective light emitting portion c of each straight pipe portion 61 face the central portions of the respective display windows 8 and 21. ing.

Furthermore, the total luminous flux of the fluorescent lamp 51 is 5
1 to a display panel 9 or 24 mounted on a square display window 8 or 21 having a length L of 100 [lm] or more and 800 [lm] or less and a side length dimension L of 100 mm or more and 110 mm or less.
An average luminance of 50 to 200 cd / m ² can be secured, which is sufficient to satisfy the guide light standard.

As described above, according to the guide light of this embodiment, the straight pipe portion 61 has a plurality of straight pipe portions 61 arranged substantially parallel to each other and the connecting pipe portion 62 connecting the straight pipe portions 61 to each other. Part 61
Since the effective light emission length c and the width dimension a of the straight tube portion 61 in the juxtaposed direction are substantially equal to each other, the single-ended type fluorescent lamp 51 provided with the substantially W-shaped bulb 55 is used. Compared with the case where a fluorescent lamp is used, the surface emission state becomes closer, and the apparent area of the fluorescent lamp 51 becomes larger than the area of the display windows 8 and 21, so that the brightness of the display panels 9 and 24 becomes smaller. Uniformity can be easily increased.

Further, when the fluorescent lamp 51 is mounted in the lamp socket 42, the fluorescent lamp 51 has a substantially square display window in which the aspect ratio of the instrument body 1 in which the display panels 9 and 24 are mounted is approximately 1: 1. 8 and 21, and the central portion in the longitudinal direction of the effective light emitting portion c of each straight pipe portion 61 and in the juxtaposed direction of the straight pipe portions 61 is aligned with the central portion of the display windows 8 and 21. The display panels 9 and 24 can be effectively illuminated without waste by the light emitted from the effective light emitting portion c of the straight tube portion 61 of the fluorescent lamp 51. Therefore, it is possible to easily enhance the average brightness and the uniformity of brightness of the display panels 9 and 24, and it is possible to easily provide a guide light that fully satisfies the standards as a guide light for evacuation.

Further, the guide light of this embodiment has the case base 3
It can be used as a guide light for single-sided display by closely attaching the rear plate portion 11 to the wall surface, and can be attached to both the ceiling surface and the wall surface using the attachment portion 14 of the instrument body 1. In particular, in a guide light for double-sided display, the appliance body 1 can be used for both ceiling surface mounting and wall surface mounting. And each display panel 9, 24
Are formed in a square shape, and are symmetrically formed by rotating at least 90 degrees, so that the attachment portion 14 of the instrument body 1 is
The display panels 9 and 24 can be commonly used in a state where the display panel is directed upward and a state where the display panel is directed to the side, and the manufacturing cost can be reduced.

In the above embodiment, the bulb 55 of the fluorescent lamp 51 is bent into a substantially W shape. However, for example, four straight pipe parts are provided at the ends of the straight pipe part. It is also possible to use those connected by a bridge pipe as a connecting pipe portion on the intermediate portion side of the portion.

On the irradiation direction side of the display panel 9, a diffusion pattern (not shown) for diffusing light can be provided integrally or separately by printing or forming irregularities.

[0041]

According to the guide lamp of the first aspect of the present invention, a single-ended type fluorescent lamp having a plurality of straight pipe portions arranged substantially parallel to each other and a connecting pipe portion connecting these straight pipe portions to each other. When this fluorescent lamp is mounted in a lamp socket using, the fluorescent lamp faces the substantially square display window of the main body of the equipment on which the display panel is mounted, and the longitudinal direction of the effective light emitting portion of the straight pipe part and this Since the central portion of the straight tube portion in the juxtaposed direction is substantially aligned with the central portion of the display window, the display panel can be effectively illuminated by the light emitted from the straight tube portion of the fluorescent lamp. Therefore, it is possible to easily increase the average brightness and the uniformity of brightness of the display panel, and it is possible to easily provide a guide light sufficient to satisfy the standard.

According to the guide light of claim 2, claim 1
In addition to the effects described, the display window of the instrument body has a substantially square shape with a side length of 100 mm or more and 110 mm or less, and a fluorescent lamp has a total luminous flux of 500 lm or more and 700 lm or more.
Since it is below, the average brightness of the display panel is 150 to 20.
With 0 cd / m ² , it is possible to easily provide a sufficient guide light to satisfy the standard.

According to the guide light of claim 3, claim 1
Alternatively, in addition to the effect described in 2, the guide light can be installed on the ceiling surface or the wall surface by mounting the mounting portion provided on the instrument body to the installation portion such as the ceiling surface or the wall surface. Since the display panel can be attached to the display window of the instrument body in a plurality of directions with respect to the attachment portion, it can be used even when the attachment direction of the instrument body changes.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a guide light according to the present invention.

FIG. 2 is a front view showing a state in which a display panel of the guide light is removed.

FIG. 3 is an exploded perspective view of a part of the same guide light.

[Explanation of symbols]

 1 Instrument main body 8 Display window 9 Display panel 14 Mounting part 33 Lighting device 42 Lamp socket 51 Fluorescent lamp 61 Straight pipe part 62 Connection pipe part

Claims (3)

[Claims] 1. A single-ended die fluorescent lamp having a plurality of straight pipe portions arranged substantially parallel to each other and a connecting pipe portion connecting these straight pipe portions to each other, a lighting device and the fluorescent lamp are mounted. And an instrument main body having a substantially square-shaped display window provided facing the fluorescent lamp attached to the lamp socket, and a translucent light attached to the display window of the instrument main body. And a display panel having properties, wherein the fluorescent lamp substantially aligns a central portion of a longitudinal direction of the effective light emitting portion of the straight tube portion and a juxtaposed direction of the straight tube portion with a central portion of the display window. Then, the guide light is attached to the lamp socket. 2. The display window of the instrument body has a substantially square shape with one side length dimension of 100 mm or more and 110 mm or less, and the fluorescent lamp has a total luminous flux of 500 lm or more and 700 lm or less. The guide light according to item 1. 3. The instrument main body is provided with an attachment portion to be attached to an installed portion, and the display panel is attached to a display window of the instrument main body in a plurality of directions with respect to the attachment portion. The guide light according to claim 1 or 2.