JPS5931767Y2 - beacon light - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a beacon light used for airports, shipping roads, etc.

Technical background of the invention and its problems Conventionally, this type of indicator light had a shallow body and the power terminal was exposed, making it impossible to inspect the lamp in the rain.

In addition, the marking lamp body has a waterproof structure, and an insulating transformer connected to the power source is housed in a deep container located at the bottom of the marking lamp body, and a conductor is connected to the secondary side of this transformer. A structure has been proposed in which a power supply side connector such as a receptacle is provided at the tip of the lamp, and a load side connector such as a plug provided at the tip of a conductor connected to the marker lamp body is inserted into this connector.

However, with this structure, when the indicator lamp body is inspected and maintained, when the indicator lamp body is removed, when both connectors are disconnected, the power supply side conductor falls to the bottom of the deep container, and the indicator lamp body is reinstalled. There was a drawback in that the power supply side connector had to be pulled up from the bottom of the container to connect it, making the work difficult.

Purpose of the invention The present invention was developed in view of the above-mentioned drawbacks, and consists of a load-side connector on the indicator lamp body side that is attached to the opening of the container, and a power supply side derived from a transformer installed inside the container. To provide a marker light that can be easily connected to a power supply side connector of a conducting wire near an opening of a container.

Summary of the invention This invention proposes that when the marker lamp body attached to the top opening of the container is removed from the container for maintenance and inspection, when the marker lamp body is reinstalled, a transformer is removed near the opening of the container. This allows the connection of the power supply side lead wire led out from the lamp body to the load side lead wire lead out from the indicator lamp body.
A cylindrical container having an opening on the top surface, a marker lamp body detachably attached to the opening of the container, a transformer connected to a power source and disposed at the bottom of the container, and a A power supply side conductor is led out and has a power supply side connector at its tip, and a power supply side conductor is disposed inside the container, and a load side connector is led out from the marker lamp body and has a load side connector at its tip, which is detachably connected to the power supply side connector. The installation includes a load-side conductor disposed within the container, and a flexible holder provided near the opening of the container body for holding the power supply-side connector in a suspended state at a position near the opening. It is equipped with

Examples of ideas Next, the structure of an embodiment of the present invention will be explained with reference to the drawings.

Reference numeral 1 denotes a container that is buried underground, such as on a paved surface, or installed on the ground surface, and is formed, for example, in a cylindrical shape with an opening on the top surface, and power cables are installed on both sides near the bottom of the container 1. Insertion holes 2 and 3 are formed, and a ring-shaped support plate 5 having a plurality of tapped holes 4 is provided at the upper opening edge by welding or the like.

For example, a saturable type power transformer 6 is housed in the bottom of the container 1, and the primary side of this transformer 6 is connected to the insertion holes 2 and 3.
A power supply line 7 introduced into the container 1 is connected thereto.

And the power supply side conductor 9 connected to the secondary side of this transformer 6
is led out from the transformer 6, and a power supply side connector 8 such as a receptacle is connected to the tip of this power supply side conductor 9.

Note that an auxiliary ring 10 is provided on the upper peripheral edge of the support plate 5 as required.

The support body 11 is inserted into the screw hole 4 of the support plate 5 with a screw 12.
has been fixed through.

The support 11 is formed of cast metal such as iron or aluminum into an oblate disk shape with a tapered upper outer periphery and a trapezoidal side surface with a larger diameter at the bottom, and penetrates from the upper surface to the bottom surface. A plurality of elongated holes 15 into which the screws 12 are respectively inserted are formed in the bottom of the storage hole 13 in the center and a plurality of recesses 14 provided around the center, and gradually extend from one side of the storage hole 13 toward the outer periphery on the upper surface side. A light projection guide groove 16 that is inclined upwardly has a fitting protrusion 17 that fits with the inner periphery of the support plate 5 on the bottom side, and a fitting protrusion 17 that fits with the inner periphery of the support plate 5 on the outside thereof, and the inner and outer peripheries of the upper surface of the support plate 5, excluding the recess 14. An annular cavity 19 is formed between the abutting contact surfaces 18 and between them.

This support body 11 can be adjusted in position in the horizontal direction with respect to the support plate 5 by means of the elongated hole portion 15 .

The auxiliary ring 10 and the support body 11 are fixed together using an adhesive.

Further, when the auxiliary ring 10 is not used, the support body 11 is directly fixed to concrete or the like.

Further, the storage hole 13 of the support body 11 is composed of a recess 20 that opens on the upper surface side and an opening 22 that opens on the bottom side from the bottom support surface 21 of the recess 20. The body 23 is attached by a screw (not shown).

Further, the fitting protrusion 17 of the support body 11 is provided with a flexible holder 2 that holds the power supply side connector 8 in a suspended state at its tip end.
4 For example, a chain is fixed with a screw 25.

The power supply side connector 8 is movably held by this flexible holder 24.

The marker lamp body 23 includes an optical system storage box 28 that is airtightly constituted by a lower case 26 and an upper case 27, a base body 29 held inside the optical system storage box 28, and the base body 29. and an optical system 30 attached to the.

The lower case 26 has a cylindrical portion 31 that fits into the opening 22 of the support body 11 by drawing and press forming a single metal plate.
and a flange portion 32 that fits into the recess 20 of the support 11.
are integrally formed, and an insertion hole 33 is bored in the bottom of the cylindrical portion 31.

A load-side conductor 36 is inserted into the insertion hole 33, which is connected to the lamp socket 34 and has a load-side connector 35 such as a plug inserted into and connected to the power supply-side connector 8 at the tip. .

The upper case 27 is made of cast metal such as iron or aluminum and is formed into, for example, a rectangular shape that fits into the recess 20 of the support 11, and a circular storage section 37 that is sealed together with the lower case 26 is located at the center of the bottom surface of the upper case 27. void 38 forming
is formed.

A rectangular light projection window 40 is opened on one side of this space 38,
A piece of waterproof glass 41 is attached to the light projection window 40 with adhesive or the like.

The base body 29 is formed of a metal plate into a ring shape with a diameter slightly smaller than the inner diameter of the lower box body 26, and an insertion hole 43 for a screw 42 is formed around the ring shape.

The optical system 30 is composed of a light source lamp 44 such as a halogen lamp, a reflector 45 in the shape of a paraboloid of revolution or an ellipsoid of revolution, a filter 46, and a light control body 47 such as a lens or prism. The reflector 45 is attached to the rear of the base 29 via a first support frame 49 having a lamp holder 48, and the filter 46 and the light control body 47 are attached to the front of the base 29 via a second support frame 50. are supported by each.

Next, the operation of this embodiment will be explained.

Normally, the load side connector 35 is connected to the power source side connector 8, and the transformer 6 and the lamp socket 34 are electrically connected.

The connected load side connector 35 and power source side connector 8 are held in a suspended state from the fitting protrusion 17 of the support body 11 by the flexible holder 24 at a length position of the flexible holder 24. My voice is hoarse.

In addition, when inspecting the device body 23, etc., unillustrated screws are removed, and when the device body 23 is removed from the support 11, the load side connector 35 and the power source side connector 8 are held in the flexible holder 24. lifted upwards.

Even if the load-side connector 35 and the power-supply connector 8 are removed to disconnect the lamp socket 34 and the transformer 6 for inspection, the power-supply connector 8 is still held by the flexible holder 24. , the flexible holder 24 will not fall into the interior of the container 1 by more than the length thereof.

After the inspection is completed, pull up the flexible holder 24, pull up the power source side connector 8, connect the load side connector 35 to the power source side connector 8, and connect the load side connector 35 and the power source side connector 8. After storing the container 1 in the container 1, the container 23 is attached to the storage hole 13 of the support 11 with screws (not shown).

In the above embodiments, a chain was used as the flexible holder 24, but the flexible holder 24 is not limited to a chain, and an appropriate holder such as a string-like vinyl string having heat resistance of 60° C. or higher may be used. be able to.

Further, the mounting position of the holder 24 is not limited to the fitting protrusion of the support, but can also be placed at the upper end of the container, in short, any position may be used as long as it can be operated from the upper end opening of the container.

Furthermore, the present invention is not limited to the case where the container is buried underground, and the same effect can be obtained even when the container is installed on the ground surface without being buried.

Effects of the invention According to the invention, the power supply side connector provided at the tip of the power supply side conductor led out from the transformer disposed at the bottom of the container is attached to a flexible holder near the top opening of the container. Because it is held in a suspended state, even if the load-side connector attached to the conductor connected to the indicator lamp body is removed, the power-side connector will not fall to the bottom of the container, and the load can be easily removed during inspection and maintenance. The side connectors and power side connectors can be easily attached and detached, improving work efficiency such as inspection and maintenance, and the connection between the power supply side connector and load side connector is usually held with a holder. No stress is applied to the connection parts, and even if water enters the container, the transition does not rise to the connection parts, so there is no risk of electrical leakage, and there is no possibility that the power supply wires will become entangled with the transformer power supply wires. This can be prevented and safety can be improved.

[Brief explanation of the drawing]

The figure is a sectional view showing an embodiment of the marker light of the present invention. 1...Condition, 6...Trance, 8...
...Power supply side connection tool, 9...Power supply side conductor, 2
3... Marker lamp body, 24... Flexible holder, 35... Load side connector, 36...
・Load side conductor.

Claims (1)

[Scope of utility model registration request] A cylindrical container having an opening on the top surface, a marker lamp body detachably attached to the opening of the container, a transformer connected to a power source and disposed at the bottom of the container, and a A power supply side conductor is led out and has a power supply side connector at its tip, and a power supply side conductor is disposed in the container, and a load side connector is led out from the marker lamp body and has a load side connector at its tip, which is detachably connected to the power supply side connector. The equipment includes a load side conductor disposed within the container, and a flexible holder provided near the opening of the container to hold the power supply side connector in a suspended state at a position near the opening. A beacon light that is characterized by