JPH02100088A - Lighting device for advertising signboard - Google Patents

Abstract

PURPOSE:To perform maintenance in safety and to maintain an external appearance by storing lighting equipments and arms behind the advertising signboard in a time zone wherein the advertising surface need not be lighted. CONSTITUTION:Two lighting devices 4 are installed on a base 6 arranged on the back surface side of the advertising signboard 3 and the arms 10 capable of swiveling, speed reducing mechanisms 13 which swivel the arms 10, motors M, etc., constitute a mechanism which switches the lighting equipments 12 between two states X and Y. When lighting is not necessary in the daytime, the lighting equipments 12 are switched automatically to the storage state Y and when the lamps of the lighting equipments are replaced or when other maintenance is performed, the lighting equipments 12 are switched to the storage state Y. Consequently, the beauty of the building and advertising tower is not spoiled and the maintenance is performed in safety.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a lighting device for illuminating advertising signboards installed on towers of buildings, walls near rooftops, and other advertising towers.

[Conventional technology]

The above-mentioned lighting device for the advertising sign is provided with a lighting device for illuminating the advertising surface at the tip of an arm extending forward from above the advertising sign, so that the advertising sign is illuminated from above in front. be.

[Problem to be solved by the invention]

In such a lighting device, at night, the arm is hidden in the darkness, so the arm that extends forward above the advertising sign does not bother you at all, but during the day, the arm and the lighting equipment are It's completely exposed and indescribable,
It spoils the beauty of buildings and billboards.

Furthermore, since the lighting equipment protrudes in front of the advertising signboard, maintenance such as replacement and cleaning of the lighting fixtures is performed in a very dangerous manner, and there is room for improvement.

SUMMARY OF THE INVENTION An object of the present invention is to provide a lighting device for an advertising signboard that does not impair the beauty of buildings or advertising towers and can be maintained safely using simple improvement techniques.

[Means to solve the problem]

In order to achieve the above object, the present invention provides a lighting device in which a lighting device for illuminating an advertising surface is provided on the tip side of an arm that extends forward and passes above an advertising sign. The present invention is characterized in that a switching mechanism is provided for storing the arm behind the advertising signboard.

[Effect]

According to the above characteristic configuration, by storing the lighting equipment and the arm behind the advertising signboard during the time period when illumination of the advertising surface is not required, the aesthetic appearance of the building or advertising tower is not compromised. In addition, maintenance can be performed safely on the scaffolding of buildings and billboards.

〔Example〕

Embodiments of the present invention will be described below based on the drawings.

FIG. 1 shows a lighting device 4 for an advertising signboard 3 installed in a tower 2 of a building 1, and FIGS. 2 and 3 show the specific structure of the lighting device 4.

The tower building 2 is intended to visually enclose the paper feed water tank 5.5 installed on the roof of the building 1, and the advertising signboard 3 is installed on a surface of the tower that is easily visible from the outside. ing.

Now, two of the lighting devices 4 are installed on a base 6 arranged on the back side of the advertising signboard 3, and in detail,
Two brackets 7 are provided at a predetermined interval in the longitudinal direction of the base 6, and each of the brackets 7 has a support 8 whose upper end projects upwardly from the tower 2, which is rotatable only about a vertical axis. A supporting thrust bearing 9 is provided, and an arm 10 is provided at the upper end of the support column 8 to rotate above the advertising signboard 3 and project forward, and a T-shaped member 11 is provided at the tip of the arm IO. At both ends of
A lighting fixture 12 is provided for illuminating the advertising surface of the advertising signboard 3 from above and in front.

A deceleration mechanism 13 with a motor M that is driven at the time set by a timer with power outage guarantee is installed on the bracket 7, and a large diameter gear G is provided on the base side of the support 8, and A small-diameter gear G2 that meshes with this gear G1 is attached to the output shaft of the reduction mechanism 13, and further,
A control arm 14 is provided at a portion of the support 8 that projects downward from the bearing 9, and two limit switches Ll and L2 opened by the control arm 14 are arranged at V'18.
Provided with a phase of 0 degrees, and 8 limit switches L,...
L, is connected to the circuit of motor M.

When the time set by the timer comes, the motor M is automatically rotated, the arm 10 is rotated for half a rotation, and the lighting fixture 12 is extended to the front side of the advertising signboard 3. It is configured so that it can be switched between Mx and an unused storage state aY, which is stored on the rear side of the advertising signboard 3.

That is, the rotatable arm 10 equipped with the lighting fixture 12
The luminaire 12 is brought into two states X by the deceleration mechanism 13 and motor M, etc., which rotate the arm IO.

A mechanism is configured to call out to Y.

Therefore, when lighting is not required, such as during the daytime, the lighting fixture 12 is automatically switched to the storage mode By, which improves the appearance of the building l, or replaces the lighting lamp 12a of the lighting fixture 12. By switching the lighting fixture 12 to the storage mode BY, maintenance such as replacing the lighting lamp 12a can be safely performed on the rooftop or on a scaffold installed there.

The switching control between the two states X and Y of the lighting fixture 12 can be changed to, for example, a timer or the like in addition to the configuration using the limit switches Ll+Lt. Control of the start of switching can be changed to, for example, control based on illuminance detection, in addition to the configuration using the above-mentioned timer set.

By the way, since the upper end of the support column 8 protrudes above the tower 2, the base end of the arm 10 can be viewed from a place far away from the building 1 while the lighting fixture 12 is switched to the storage position By. Although it is inevitable that the sides will be visible, the upper end of the arm 10 can be hidden by a simple technique.

That is, as shown in FIG. 4, a double cylinder 16 that can be expanded and contracted in the vertical direction by a cylinder 15 is installed inside the tower building 2, and a cylinder member 16a on the expansion and contraction side of the double cylinder 16 is provided with:
A base 17 that holds the support column 8 so as to rotate freely is attached, and a guide rod 18 having an axis parallel to the axis of the double tube 16 is installed on the roof like the double tube 16. , and a shaft support member 19 is provided on the base 17 that can freely slide up and down along the guide rod 18,
The base 17 is constructed so that it can only be moved up and down.

According to the above configuration, by contracting the double tube 16 after switching the lighting fixture 12 to the storage state BY,
The lighting fixture 12 can be switched to a state Bz where it is hidden inside the tower building 2 together with the arm IO, and the base end side of the arm IO becomes invisible, making the building 1 look even better. Become.

In such a configuration, it is preferable to control the expansion and contraction of the cylinder 16a on the expansion and contraction side by controlling the aforementioned limit switch, timer, or other program.

In the embodiment, the lighting device 4 is installed in the tower building 2, but the lighting device 4 can also be installed in a billboard or the like.

〔Effect of the invention〕

As explained above, according to the lighting device for advertising signboards according to the present invention, by switching the lighting equipment to the stored state when lighting is not required, the aesthetic appearance of buildings and advertising towers will not be spoiled, and moreover, the lighting equipment can be replaced easily. By switching the lighting equipment to the stored state, the maintenance can be performed safely, and overall, the conventional inconveniences can be solved by simple improved technology.

[Brief explanation of drawings]

FIG. 1 is a perspective view of the vicinity of a tower of a building, FIGS. 2 and 3 are detailed views of a lighting device for an advertising signboard, and FIG. 4 is a side view of another embodiment of the lighting device. 3...Advertising signboard, 10...Arm, 12...Lighting equipment.

Claims (1)

[Claims] A lighting fixture for illuminating the advertising surface is provided on the tip side of an arm that extends forward past the top of the advertising sign, and the lighting equipment and the arm are switched to be stored on the rear side of the advertising sign. A lighting device for an advertising sign, characterized by being provided with a mechanism.