JP2914940B2 - Guide light fixture - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a single-sided lighting device.

[0002]

2. Description of the Related Art Conventionally, a structure described in Japanese Utility Model Application Laid-Open No. Sho 61-126507 is known as a guide light device.

In this guide light fixture, a translucent display panel is disposed opposite to a straight tube-type fluorescent lamp mounted in the fixture body, and a lamp lighting component such as a ballast is provided in the fixture body. Arranged structure is adopted.

The distance between the fluorescent lamp and the display panel is widened so that a lamp image does not appear or luminance unevenness does not occur, and a ballast of the guide lamp body does not appear as a shadow. , The thickness of the equipment is increasing.

[0005] By the way, the guide light device usually does not need to be noticeable at all, but rather tends to impair the interior decoration and is required to be downsized. However, since the minimum size of the display surface of the guide light device is regulated by laws and regulations, the miniaturization mainly reduces the size in the thickness direction to reduce the thickness of the entire device.

[0006]

However, in the conventional guide light fixture, if the guide light fixture is simply made thin as it is, a part of the lamp lighting parts such as the ballast faces the effective display surface of the display panel. Because of the arrangement, lamp lighting components such as ballasts appear as shadows on the display panel, and the appearance of the display panel is impaired.

The present invention solves the above problems,
The main body of the single-sided lamp is thin and the height dimension can be made small, so that the shadow of the lamp lighting parts is less likely to appear on the display panel.
An object of the present invention is to provide a guide light device having a good appearance.

[0008]

According to a first aspect of the present invention, there is provided a guide light device comprising: a lamp; an upper member having a substantially U-shaped cross section ;
The lower member, the upper member,
And having an opening <br/> front which is constituted by housing pockets portion provided on both sides of the fine lower member has a rear plate provided opposite to the opening, and a fixture main body the lamp is accommodated ;
A display panel disposed in an opening of the appliance body; and a lamp lighting-related component including a ballast for lighting the lamp, wherein at least a large part of the display panel is substantially outside the effective display surface of the display panel. Lamp lighting parts that are stored separately ; arranged to cover the storage pockets on both sides of the appliance body
And a terminal block disposed substantially outside the effective display surface of the display panel and inside the upper side member .

[0009] At least most of the lamp lighting components are dispersed and stored in the storage pockets on both sides of the appliance body substantially outside the effective display surface of the display panel, so that the one-sided surface is thin and small in the height direction. The lamp fixture body is formed, the shadow of the lamp lighting components is reduced from appearing on the display panel, and the storage pockets on both sides of the fixture body are covered.
The lamp lighting parts that are covered with
The design is improved by making it invisible.
Re that. In addition, since at least most of the lamp lighting components such as ballasts are stored in the storage pockets on both sides of the fixture body, the lamp lighting components can be easily unitized, wiring is reduced, and assembly work is less. Easier,
Inspection work is also easy. In addition, the cross section of the instrument body
By arranging the terminal block inside shaped for the upper side member, along with the construction of the power supply line is increased, the lamp point from the terminal block
Wiring to lamp parts can be arranged inside the upper member
To prevent the wiring from appearing as a shadow on the effective display surface
It becomes possible .

The effective display surface of the display panel is a portion on which a display indicating the evacuation direction is formed and which emits light by the transmitted light of the lamp. The term “substantially outside” refers to a position where almost no shadow is projected on the effective display surface, and includes the rear part of the periphery of the display panel. Further, an opening may not be provided on the rear surface of the instrument body, and the back plate does not need to be separate from the instrument body.

According to a second aspect of the present invention, in the first aspect, the lamp has an outer diameter of D, the shortest distance between the inner surface of the front display panel and the lamp, and the back of the rear surface. The appliance body is formed such that the shortest distance between the face plate and the lamp is equal to or less than 1/2 of D.

The shortest distance between the display panel and the lamp and the shortest distance between the back plate and the lamp are の of the lamp outer diameter D of the lamp.
By forming the fixture body as described below, the fixture body of the single-sided lamp is formed extremely thin.

[0013]

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

FIG. 1 is a perspective view of the guide light with the display panel removed, FIG. 2 is a perspective view of the guide light with the display panel removed, and FIG. FIG. 4 is a front view, partially cut away, showing a mounting state of the guide light device.

Reference numeral 10 denotes a guide light fixture main body, which is formed in a substantially rectangular-shaped rectangular frame shape. The appliance main body 10 includes an upper side member 11 and a lower side member 12 having a substantially U-shaped cross section with their inner openings opposed to each other. Case frame members 16 and 17 forming a storage pocket are provided on both left and right ends thereof. Screw 13 through 13, 14
It is connected by. Further, the outer end surfaces of the case frame members 16 and 17 are open, and a storage pocket is formed in the case frame members 16 and 17. This pair of storage pockets is the instrument body
It is formed on both side ends avoiding the ten openings 36 and 37.

Fluorescent lamp sockets 31 and 32 are provided on the inner surfaces of the case frame members 16 and 17 of the apparatus main body 10, and the fluorescent lamp sockets 31 and 32 are provided with a straight fluorescent lamp 33 as a lamp. Both end caps 34, 34 are detachably mounted. The fluorescent lamp 33 is disposed substantially at the center in the depth direction and the height direction of the space 35 of the instrument body 10.

Further, transmissive display panels 38 and 39 are detachably mounted on openings 36 and 37 formed on both front and rear surfaces of the appliance body 10, respectively. These display panels 38, 39
Are engaged and held in the engagement grooves 18 and 19 of the upper side member 11 and the lower side member 12 formed on the upper and lower edges of the openings 36 and 37, respectively.

FIG. 5 is a side view in which a part of the guide light device is cut away. The shortest distance (interval) a between the inner surfaces of the display panels 38 and 39 and the fluorescent lamp 33 is １ ／ of the outer diameter D of the fluorescent lamp 33.
The display panels 38 and 39 are mounted on the instrument body 10 as described below. For single-sided display, a rear plate (not shown) is provided instead of the display panel 39 on the rear surface, and the shortest distance a between the inner surface of the display panel 38 mounted on the front surface and the inner surface of the rear plate and the fluorescent lamp 33 is determined by the fluorescent lamp. 1/33 of outer diameter D of 33
It is configured to be 2 or less. In the single-sided lamp, the opening 37 may not be provided on the rear surface of the appliance body 10,
The back plate does not need to be separate from the instrument body 10.

A terminal block 42 is provided on the inner side surface of the upper side member 11 of the instrument body 10 so as not to protrude from the effective display surfaces of the display panels 38 and 39. A window hole 20 is formed substantially at the center of the upper side member 11, and a terminal block 42 is disposed so that the connection portion 44 having the connection hole 43 formed therein faces the window hole 20.

A ballast 45 as a part of a lamp lighting component connected to the terminal block 42 is housed in a housing pocket in one case frame member 16 of the appliance body 10 toward an outer end face.
The open surface of the outer end surface of the case frame member 16 is covered with the cover 25, and the ballast 45 is not exposed to the outside.

Further, a battery 46 serving as an emergency lighting power supply inserted in the battery insertion hole 29 from the lower portion of the one case frame member 16 to the inside of the lower side member 12 is provided. This battery 46
Most of the storage box and the lower side member 12 in the case frame member 16
And is positioned substantially outside the effective display surface of the display panels 38 and 39, so that it does not protrude significantly toward the effective display surface.

The storage pocket in the other case frame member 17 has
A lighting circuit unit board 48 to which a lamp lighting component such as an inspection switch 47 is attached is housed facing the outer end face. The opening surface of the outer end surface of the case frame member 17 is also covered with the cover 26, and the lighting circuit unit substrate 48 is not exposed to the outside.

As described above, the terminal block 42, the ballast 45, the battery 4
6. Most of the lamp lighting components, such as the inspection switch 47 and the lighting circuit unit board 48, are stored in a pair of storage pockets facing substantially outside the effective display surfaces of the display panels 38, 39.

Further, the present embodiment will be described in detail.

At both sides of the window hole portion 20 of the upper side member 11 of the instrument body 10, mounting holes 22 each having a large diameter portion 21 at one end side are formed.

Right and left regulating holes 23 are formed on both side surfaces of one case frame member 16 in parallel with each other in the vertical direction, and further, on the upper surface of the other case frame member 17, right and left regulating holes are formed.
24 are formed in front and back in parallel. Also covers on both sides
Resilient engaging projections 27 and 28 are provided on the inner surfaces of the case frames 25 and 26 to engage with the restriction holes 23 and 24 of the case frame members 16 and 17, respectively. When the covers 25 and 26 are slid toward the outer ends of the case frame members 16 and 17, the elastic engagement projections 27 and 28 and the restriction holes 23 and 28 prevent the covers 25 and 26 from coming off the case frame members 16 and 17. twenty four
The movement range is regulated by the engagement with, so that the covers 25, 26 do not come off the case frame members 16, 17, and the outer end opening surfaces of the case frame members 16, 17 are not exposed unnecessarily. The surfaces of the covers 25 and 26 are substantially flush with the outer surfaces of the upper side member 11 and the lower side member 12 of the instrument body 10 in a state of covering the case frame members 16 and 17.

The display panels 38 and 39 have a conventional thickness of about 1 mm, but have a thickness of about 2 mm, which is twice that of the conventional display panel. For example, a flame retardant such as a halide is added to acrylic resin. It is formed of a flame-retardant acrylic resin plate. On the outer surfaces of the display panels 38 and 39, displays 40 such as characters and figures are formed by printing. In addition, this display panel 3
8,39 are milky white.

An irradiation port 56 for irradiating the lower side is formed at the center of the lower side member 12 of the instrument body 10, and a light transmitting plate (not shown) is provided in the irradiation port 56.

Next, the operation of the present embodiment will be described.

FIG. 6 is a perspective view showing a state in which the mounting hardware of the guide light device is mounted. First, the box-shaped mounting bracket 49 is mounted on the ceiling surface 50 with the bolt 53 and the nut 54 or the tap screw 55. A bolt 51 is inserted through the large-diameter portion 21 at one end formed on the instrument body 10, and a nut 52 screwed to the bolt 51 is locked in the mounting hole 22. The power supply wire 57 drawn out from the through hole 60 of the ceiling surface 50 is inserted and connected to the connection hole 43 of the connection portion 44 of the terminal block 42 exposed at the window hole portion 20 on the upper surface of the appliance body 10. Then, bolts 53 protruding from the lower surface of the mounting bracket 49 are provided.
Is inserted through the large diameter portion 21 and locked in the mounting hole 22 by the nut 52.

FIG. 7 is a perspective view showing a state in which the display panel of the guide light fixture is attached and detached. The covers 25 and 26 are moved outward to the movable range regulated by the engagement between the restriction holes 23 and 24 and the elastic engagement projections 27 and 28, respectively. In this state, the display panel
When the upper edges of the display panels 38 and 39 are inserted into the engagement grooves 18 and the lower edges of the display panels 38 and 39 are dropped into the engagement grooves 19, the upper and lower edges of the display panels 38 and 39 are vertically engaged. It is engaged and held in the grooves 18 and 19 and is disposed to face the fluorescent lamp 33.

Since the fluorescent lamp 33 is disposed substantially at the center in the depth direction and the height direction of the apparatus main body 10, the apparatus main body 10 can be formed to be thin, and furthermore, such as a ballast. Most of the components necessary for lighting are stored in a pair of storage pockets at both ends of the device main body 10, so that the height dimension can be adjusted to the minimum standard of the display surface.

Most of the lamp lighting components such as the terminal block 42, the ballast 45, the battery 46, the inspection switch 47, and the lighting circuit unit board 48 face outside the effective display surfaces of the display panels 38 and 39. Display panels 38 and 39
Even if the thin structure has a small gap between them, the display panels 38 and 39 hardly show shadows of these components.

Further, since the power supply wire 57 is connected to the terminal block 42 on the upper surface of the instrument main body 10 without being wired inside the instrument main body 10, even if the display panel 38, 39 has a thin structure with a small interval, the display panel The shadow of the power supply wire 57 does not appear on 38 and 39.

Further, lamp lighting components such as the ballast 45, the inspection switch 47, and the lighting circuit unit board 48 are as follows.
Since it is attached to the pair of storage pockets at both end portions of the instrument body 10, assembling is easier, and inspection and repair can be performed more easily than a structure in which the instrument body 10 is assembled from the inside.

The ballast 45 and the lighting circuit unit board 48
When inspecting and repairing the cover, the covers 25 and 26 are moved outward, respectively, and the covers 25 and 26 are disengaged from the engagement between the restriction holes 23 and 24 and the elastic engagement projections 27 and 28, and the covers 25 and 26 are removed. Case frame member 1
Inspect and repair from the opening on the outer end surface of 6,17.

When replacing the fluorescent lamp 33 or the battery 46, as shown in FIG. 7, the covers 25, 26 are moved to a restricted movement range, and the engagement grooves 18, 19 are disengaged. The display panels 38 and 39 are removed from the openings 36 and 37, and the fluorescent lamp 33 or the battery 46 is replaced through the openings 36 and 37.

FIG. 8 is a rear view of the display panel. For example, dot patterns 41 as brightness adjusting means are partially formed on the inner surfaces of the display panels 38 and 39 facing the fluorescent lamps 33 as necessary. Display panel 38, 39
In the portion directly facing the fluorescent lamp 33, the brightness increases relatively as the distance between the fluorescent lamp 33 and the inner surfaces of the display panels 38 and 39 decreases. The dot pattern 41 reduces the light transmittance of the high-luminance portion. For example, the filling ratio density of the portion facing the light emitting portion of the fluorescent lamp 33 is made high, and the tube end side of the fluorescent lamp 33 and This fluorescent lamp
It is composed of a dot pattern 41 imparting light diffusing property, which is printed with an ink containing a white pigment whose density is gradually increased as it moves away from the tube axis direction 33. The dots of the dot pattern 41 are all the same size, for example, have a diameter of 0.6 mm, and the density of a portion close to the light emitting portion of the fluorescent lamp 33 is made high, and the density is gradually increased as the distance increases. Luminance unevenness can be eliminated. In this manner, by providing the display panels 38 and 39 with the dot patterns 41 as necessary, the lamp images can be reduced, and the commercial value can be improved.

Further, since the display panels 38 and 39 disposed to face the fluorescent lamp 33 are made of flame-retardant acrylic resin, the distance between the fluorescent lamp 33 and the display panels 38 and 39 is increased. Even when approached, the display panels 38 and 39 turn yellow due to ultraviolet light contained in the light emitted from the fluorescent lamp 33,
Safety is ensured without heat deformation of the fluorescent lamp 33 or heat radiation of the lamp lighting parts such as the ballast 45, and furthermore, even when a fire occurs, the fire does not spread due to flame retardancy. Further, the fluorescent lamp 33 may be brought into contact with the display panels 38 and 39, so that the whole apparatus can be made thinner and smaller, and the volume can be reduced.

Next, specific dimensions of this embodiment will be described.

In the fluorescent lamp 33 of 10 W, the maximum outer diameter D of the tube is 25.5 mm, and the fluorescent lamp 33 and the display panels 38 and 39 are provided.
The interval a of the (back plate) is set to 8 mm so that, for example, 25.5 / 2 mm ≧ amm. The size of the effective surface of the display panels 38 and 39 is such that the axial length of the fluorescent lamp 33 is 360 mm,
The height of the fluorescent lamp 33 in the direction perpendicular to the axial direction is 124 mm,
The length of the light emitting portion of the fluorescent lamp 33 is 330 mm.

In the 20 W fluorescent lamp 33, the maximum outer diameter D of the tube is 32.5 mm, and the fluorescent lamp 33 and the display panel
The distance a between 38 and 39 (back plate) is, for example, 32.5 / 2 mm ≧
5 mm so that it is amm. This display panel 38, 39
The effective surface size of the fluorescent lamp 33 is 60 in the axial direction.
0 mm, the height of the fluorescent lamp 33 in the direction orthogonal to the axial direction is 200
mm, the length of the light emitting portion of the fluorescent lamp 33 is 560 mm.

In the conventional guide lamp, the distance between the fluorescent lamp and the display panel (back panel) is 20 to 25 mm, the dimension in the thickness direction of the fixture is 80 to 85 mm, and in the present embodiment, it is 10 to 25 mm.
In the case of fluorescent lamps of 20 W and 20 W, the dimension in the thickness direction of the fixture is about 49 mm, and this interval is formed so as to exceed 1/2 of the maximum outer diameter D of the tube portion of the straight fluorescent lamp 33. Then, the thin image disappears, and there is a problem in the merchantability.

A display panel is provided only on the front of the instrument body 10.
By providing a rear panel 38 instead of the display panel 39, a single-sided guide light device can be configured. Note that the opening 37 may not be provided on the rear surface of the instrument body 10, and the back plate does not need to be separate from the instrument body 10.

Further, the tube portion of the straight tube type fluorescent lamp 33 is not limited to a circular shape, and a lamp having a flat circular cross section can be used. The straight tube type lamp is not limited to the fluorescent lamp, and various types of lamps can be used. Can be used.

[0046]

According to the guide light device of the first aspect, at least most of the lamp lighting components are stored in the storage pockets on both sides of the device body substantially outside the effective display surface of the display panel. By doing so, it is possible to form a thin, single-sided lamp body having a small dimension in the height direction, and to reduce the appearance of shadows of lamp lighting components on the display panel, without impairing the appearance of the display surface. Productivity can be improved with a thin image, and storage on both sides of the instrument body
The lamp which is covered by the cover and covers the back
By making lighting components invisible in appearance,
Performance can also be improved. In addition, by storing at least most of the lamp lighting components such as ballasts in the storage pockets on both sides of the appliance body, the lamp lighting components can be easily unitized, wiring can be reduced, and the assembly work becomes easier. Inspection work is also easy. In addition, the cross section of the instrument body
By arranging the terminal block inside the substantially U-shaped upper side member, the workability of the power line can be improved and
Arrange the wiring to the lamp lighting parts inside the upper member
And the wiring is reflected as a shadow on the active display surface.
Can be eliminated .

According to the guide light device of the second aspect, in addition to the effect of the guide light device of the first aspect, the shortest distance between the display panel and the lamp and the shortest distance between the back plate and the lamp are different from those of the lamp tube. By forming the fixture main body so as to be 1/2 or less of the outer diameter D, the fixture body of the single-sided lamp can be formed extremely thin.

[Brief description of the drawings]

FIG. 1 is a perspective view of a guide light device according to an embodiment of the present invention with a display panel removed.

FIG. 2 is a perspective view of the guide light device.

FIG. 3 is a partially cutaway front view showing a state where the display panel of the guide light device is removed.

FIG. 4 is a partially cutaway front view showing an attached state of the guide light device.

FIG. 5 is a side view in which a part of the guide light device is cut out.

FIG. 6 is a perspective view showing a state in which the mounting hardware of the guide light device is attached.

FIG. 7 is a perspective view showing a state where the display panel of the guide light device is attached and detached.

FIG. 8 is a rear view of the display panel.

[Explanation of symbols]

10 Device main body 11 Upper side member 12 Lower side member 16, 17 Case frame member 25, 26 that forms storage compartment Cover 33 Fluorescent lamp as lamp 36, 37 Opening 38 Display panel 42 Terminal block 45 As part of lamp lighting parts Ballast

──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Kenichi Sato 88 Tokaoka-cho, Toyooka-cho, Mizukaido-shi, Ibaraki Prefecture (56) References JP-A-54-70669 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) F21V 23/02 F21Q 3/00 F21S 9/02

Claims (2)

(57) [Claims] An upper member having a substantially U-shaped cross section, and disposed opposite to the upper member ;
Lower member, both sides of these upper and lower members
Have a front surface of the opening section made of a housing pocket portion provided in
An appliance body having a back plate provided opposite to the opening and accommodating the lamp; a display panel arranged at the opening of the appliance body; and a lamp lighting including a ballast for lighting the lamp. Related parts, at least substantially on the outer side of the effective display surface of the display panel, at least a large part of the lamp lighting parts being dispersedly stored in the storage pocket ; and arranged so as to cover the storage pockets on both sides of the appliance body. Hippo established
And an upper side member substantially outside the effective display surface of the display panel
And a terminal block disposed inside the guide light device. 2. The lamp has an outer diameter of D and the shortest distance between the inner surface of the front display panel and the lamp and the shortest distance between the rear back plate and the lamp are 以下 or less of D. The guide light device according to claim 1, wherein a device main body is formed.