JP2001184906A - Identification lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an identification lamp which can be installed with ease and be made thin including a base. SOLUTION: By attaching a lamp body 13 to a base 12, an electricity receiving terminal 102 of an electricity receiving terminal table 91 arranged in the lamp body 13 can be contacted with an electricity feeder terminal 112 of an electricity feeder terminal table 92 arranged in the base 12 and connected to it electrically. A special wiring operation is not needed, installation operation is performed with ease, a space for receiving wiring or the like between the bottom face of the lamp body 13 and the base 12 does not need to be prepared, and the identification lamp 11 including the base 12 can be made thin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sign lamp having a lamp body attached to a base.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Patent Application Laid-Open No. HEI 6-108427.
As described in Japanese Patent Laid-Open Publication No. H10-209, there is known a recessed type marker light which is embedded and installed on a road surface such as an airport runway or taxiway.

[0003] This type of marker lamp includes a substantially cylindrical bottomed base buried in a road surface, and a lamp body detachably attached to and mounted on the base. In this lamp,
An optical system including a lamp, a reflector for reflecting light emitted from the lamp, a filter, a lens, and the like are housed.

In order to supply power to the lamp of the lamp, a plug at the tip of a lead wire drawn out of the lamp is connected to
A lead wire, a plug, a power supply line, a receptacle, and the like are connected to a receptacle at the tip of a power supply line introduced into the base, and are housed in a space secured below the lamp body in the base.

[0005]

However, when installing the lamp body, the plug of the lead wire drawn from the lamp body is connected to the receptacle of the power supply line introduced into the base,
It is necessary to attach the lamp body to the base and attach it while pushing the wiring such as lead wires inside the base so as not to be caught between the base and the lamp body, which makes the installation work complicated have.

[0006] Also, at present, the embedding depth of the marker light is restricted by the form of the pavement, and there is a case where the base is made thinner. However, there is a problem in that a space for accommodating wiring and the like is not secured, and a reduction in thickness is limited.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a sign lamp which can facilitate installation work and can be reduced in thickness including a base.

[0008]

According to a first aspect of the present invention, there is provided a marker lamp comprising: a base; a lamp mounted on the base; and a power terminal having a power terminal disposed on the base. A power receiving terminal block that is disposed on the lamp body and has a power receiving terminal that is electrically connected to the power supply terminal of the power supply terminal block when the lamp body is attached.

By attaching the lamp body to the base, the power receiving terminal of the power receiving terminal block disposed on the lamp body is electrically connected to the power supply terminal of the power supply terminal block disposed on the base.
No special wiring work is required, making installation easier, and there is no need to secure space for wiring etc. between the bottom of the lamp body and the base, making the sign light thin including the base Becomes possible.

According to a second aspect of the present invention, the power supply terminal block is arranged so as to be movable in a direction intersecting with a direction in which the lamp body is attached.

The power supply terminal block is arranged so as to be movable in a direction intersecting the mounting direction of the lamp body, so that the power receiving terminal and the power supply terminal can be reliably connected in accordance with the positional deviation in the mounting direction. Will be possible.

According to a third aspect of the present invention, the movable range of the power supply terminal block includes a mounting tolerance between the lamp body and the base, an arrangement tolerance of the power receiving terminal block on the lamp body side, and a base range. It is larger than the total value of the placement tolerance of the power supply terminal block on the table side.

The movable range of the power supply terminal block is set to be larger than the sum of the mounting tolerance between the lamp body and the base, the arrangement tolerance of the power receiving terminal block on the lamp body side, and the arrangement tolerance of the power supply terminal block on the base side. Thus, it is possible to reliably cope with a positional deviation between the power receiving terminal and the power supply terminal in the attaching direction.

According to a fourth aspect of the present invention, the power receiving terminal is a cylindrical plug pin, and the power supply terminal block has the power receiving terminal inserted therein. Is provided with a power supply terminal block main body having an insertion hole in which is disposed.

The power receiving terminal is a cylindrical plug pin, and the power receiving terminal is inserted into the cylindrical insertion hole of the power supply terminal block main body, so that the power reception terminal is connected between the power reception terminal block and the power supply terminal block. It functions as a positioning guide, and the power receiving terminal can be reliably connected to the power supply terminal in the insertion hole.

According to a fifth aspect of the present invention, there is provided the marker light according to the fourth aspect, wherein an expanding guide hole is provided at an opening end of the insertion hole.

Further, by providing the expanding guide hole at the opening end of the insertion hole, even if the power receiving terminal and the insertion hole are displaced in the attaching direction, the power receiving terminal is inserted into the insertion hole. It will be possible to insert it surely.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a cross-sectional view, FIG. 2 is a plan view of the lamp body of the marker lamp with the upper lamp removed, FIG. 3 is a plan view of the marker lamp, and FIG. 4 shows a power receiving terminal block. Is a side view, (b) is a front view,
(c) is a plan view, FIG. 5 shows a power supply terminal block, (a) is a side view, (b) is a front view, (c) is a plan view, and FIG. 6 is a power receiving terminal block and a power supply terminal. 2A is a side view of a connection process, and FIG. 2B is a side view of a connection state.

1 to 3, reference numeral 11 denotes a sign lamp,
The marker light 11 is, for example, a thin, recessed aeronautical traffic light that is embedded and installed on a road surface such as an airport runway or taxiway, and is symmetrical in one or more directions, in the present embodiment. Light is emitted in the direction to indicate the center line of the runway and the like. The marker light 11 includes a base 12 buried at a predetermined position on the road surface, and a lamp body (lighting device) 13 detachably attached to the base 12 and attached thereto from above.

The base 12 is formed of, for example, a casting of aluminum alloy or the like, and has a cylindrical peripheral surface portion 21 and a bottom surface portion 22 on the bottom surface of the peripheral surface portion 21, and a lamp having an open upper surface inside. A body storage section 23 is formed. An annular step portion 24 is formed on the inner periphery of the peripheral surface portion 21 so as to project therefrom. A concave lamp body fitting portion 25 is formed above the step portion 24, and a concave wiring housing portion 26 is formed below the step portion 24. Are formed. On the upper surface of the step 24,
A plurality of bolts 27 for mounting the lamp body 13 are provided upright.

The lamp body 13 includes a lamp body 31, a lamp 32 housed in the lamp body 31 as a light source, an optical system, and the like.

The lamp body 31 includes an upper lamp 41 made of, for example, an aluminum alloy, and a lamp cover 42, which is a lower lamp made of, for example, an aluminum alloy, which covers a lower side of the upper lamp 41. The upper rim 41 and the rim of the luminaire cover 42 are fitted and fitted to the luminaire fitting portion 25 of the base 12, and at this time, the rims of the upper luminaire 41 and the luminaire cover 42 are Each nut (not shown) is screwed to each bolt 27 that penetrates and protrudes upward, and is attached to the base 12 in a liquid-tight manner. A component storage space 43 that is liquid-tightly sealed is formed between the upper lamp body 41 and the lamp body cover 42 of the lamp body 31.
The inside of the component storage space 43 is partitioned into two compartments 45 by a partition wall portion 44.

On the upper surface of the upper lamp body 41, a substantially planar upper surface portion 48 is formed in which the center of the upper surface protrudes upward.
Of the base lamp 12 is formed on the inclined surface 49, which is inclined downward from the periphery of the upper lamp body 41 toward the peripheral portion of the upper lamp body 41.
A plurality of mounting holes 50 through which are inserted are formed, and a concave nut storage portion 51 for storing a nut (not shown) screwed to the bolt 27 is formed above each of the mounting holes 50.

On the lower surface of the upper lamp body 41, a lens storage section 54 facing the opposite side and a lamp storage space 55 adjacent to the lens storage section 54 are formed corresponding to the respective compartments 45. Each of the lens housings 54 protrudes downward into the component housing space 43, and has a window hole 56 communicating with the outside of the upper lamp body 41.

The window holes 56 of the lens housings 54 are provided with substantially prismatic block-like lenses 57 constituting an optical system.
Is stored. Further, a lens holder 58 is attached so as to cover the inside of each lens storage section 54.
The lens holder 58 has a frame-shaped lens pressing portion 59 for pressing the peripheral portion of the lens 57, and a mounting portion bent from the lower end of the lens pressing portion 59 and arranged along the lower side of the lens housing portion 54. 60, and the mounting portion 60 is fixed to the lower surface of the lens housing portion 54 with a screw 61.

Further, the lamp body cover 42 has an annular flange portion 71 fitted around the periphery of the lamp body fitting portion 25 of the base 12, and a step of the base 12 from the inner peripheral portion of the flange portion 71. A cylindrical peripheral surface 72 is inserted inside the portion 24, and a bottom surface 73 is formed on the bottom surface of the peripheral surface 72. Flange part
71 has a plurality of mounting holes through which each bolt 27 of the base 12 is inserted.
74 are formed. On the bottom part 73, a lamp mounting part 75 is formed substantially at the center corresponding to each of the compartments 45, and located on the opposite side of the lens housing part 54 of the upper lamp body 41 and above the bottom part 73. A terminal block mounting portion 76 protruding from the terminal block mounting portion 76 is formed. A mounting hole 77 is formed in the terminal block mounting portion 76, and a terminal block housing concave portion 78 is formed below the terminal block mounting portion 76.
On the bottom surface portion 73, a protrusion 80 is formed corresponding to the position of the lamp 32, the position of the screw 61, and the position of the lamp mounting portion 75. The lower surfaces of these protrusions 80 are formed as curved surfaces.

Each lamp mounting part on the bottom part 73 of the lamp body cover 42
The upper lamp is placed on the top of the
A lamp (reflection mirror integrated lamp) 32 integrally provided with a mirror (reflection mirror) 81 constituting an optical system is mounted in an inclined manner so as to be optically opposed to each of the lenses 57. This lamp
A lamp socket 82 is connected to the base 32, and a lead wire 84 having a connector 83 at the tip is drawn from the lamp socket 82.

Further, a power receiving terminal block 91 is installed on the lamp body 13, and a power supply terminal block 92 is installed on the base 12, and the power receiving terminal block 91 and the power supply terminal block 92 are connected to the lamp body 13 side. The base 12 side is electrically connected.

As shown in FIG. 4, the power receiving terminal block 91 has a power receiving terminal block main body 101 and a pair of power receiving terminals 102, and the power receiving terminal block main body 101 is a lower surface of the terminal block mounting portion 76 of the lamp cover 42. , And the power receiving terminal 102 projects in the direction of attaching the lamp body 13 to the base 12, that is, downward.

The power receiving terminal block main body 101 is made of, for example, a resin having an insulating property, and has a main body 103 which is fitted into the mounting hole 77 of the terminal block mounting portion 76 from the lower surface side. A flange portion 104 is formed so as to protrude, and a pair of conical protrusions 105 are formed on the lower surface of the main body 103 in parallel.
At both ends of the flange portion 104, mounting holes 106 for mounting to the terminal block mounting portion 76 with screws (not shown) are formed.

Each power receiving terminal 102 is a cylindrical plug pin whose tip is formed in a curved surface (spherical shape).
It protrudes downward from 5. A lamp power supply terminal 107 projecting above the main body 103 is connected to an upper portion of each power receiving terminal 102. These lamp power supply terminals 107 are plate-shaped plug blades, and lead wires drawn out from the lamp socket 82.
84 connector 83 is connected.

As shown in FIG. 5, the power supply terminal block 92 has a power supply terminal block main body 111 and a pair of power supply terminals 112 housed in the power supply terminal block main body 111. Each power receiving terminal 102 of the power receiving terminal block 91 which is arranged on the bottom surface portion 22 of the base 12 and which is inserted into the power supply terminal block main body 111 from the mounting direction of the lamp body 13, that is, from above is connected to each power supply terminal 112. You.

The power supply terminal block main body 111 is made of, for example, resin having an insulating property, and is disposed on the bottom surface 22 of the base 12.
A power supply terminal 112 is formed inside the main body 113.
The main body 113 has flanges 115 protruding from both sides thereof and the terminal housing 1
A wiring lead-out hole 116 communicating with 14 is formed, a protrusion 117 is formed on the upper surface of the main body 113, and a pair of cylindrical insertion holes 118 opening upward in the protrusion 117 are formed in parallel, A guide hole 119 is formed at the opening end of each of the insertion holes 118 so as to expand upward.

A mounting hole 120 is formed in each flange portion 115, and a screw 121 is connected to the bottom portion 22 of the base 12 through the mounting hole 120.
The power supply terminal block 92 is attached to the base 12 by being screwed into the base 12. The screw 121 has a screw shaft 122 and a head 123.
A disk-shaped washer 124 joined to the upper surface of 5 is inserted.
The inner diameter of the mounting hole 120 is larger than the diameter of the screw shaft 122, and even in the mounting state by the screw 121, it is movable along the direction intersecting the mounting direction of the lamp body 13, that is, along the bottom portion 22, and The movable range of the power supply terminal block 92 is
It is set to be larger than the sum of the mounting tolerance of the power supply terminal block 91 on the side of the lamp body 13 and the mounting tolerance of the power receiving terminal block 91 on the side of the lamp body 13.

In the present embodiment, each of the power supply terminals 112 is disposed at a bottom of the insertion hole 118 from the side of the substrate 126 and the inside of the insertion hole 118 bent upward from the substrate 126. It has a plurality of contact pieces 127 that enter from all sides and are elastically joined to the peripheral surface of the power receiving terminal 102. Substrate section of each power supply terminal 112
126 is connected to a wiring connection portion 128, and each of these wiring connection portions is connected.
The wiring 131 is connected to the wiring 128 through the wiring drawing holes 116 of the power supply terminal block main body 111 and drawn out to the side.

Further, as shown in FIG.
The wiring 131 pulled out from both sides of the base 12 is wired along the wiring housing portion 26 of the base 12, and the inner end of the base terminal block 132 attached in a state where it penetrates the peripheral surface 21 of the base 12 in a liquid-tight manner. Connected to the unit. A power supply line for supplying electric power from outside is connected to the outer end of the base terminal block 132.

In order to install the marker light 11, an embedding hole (boring hole) having an inner diameter larger than the diameter of the base 12 is formed in the place where the marker light 11 is installed on the road surface. For the supply, a cut is made in the road surface from the installation position of the transformer installed outside the runway or taxiway to the installation position of the indicator light 11, that is, the embedding hole, to form a groove, and power is supplied in this groove. And a power supply line for the same, and the power supply line is drawn into the embedding hole. The power line drawn into the mounting hole is used as the base terminal block for base 12.
132, and the base 12 is installed in the embedding hole.
Filling the gap between the outer peripheral surface of 2 and the inner peripheral surface of the embedding hole with a filler such as resin or concrete and embedding the base 12 on the road surface,
A lamp 13 is attached to the base 12 from above.

In order to attach the lamp body 13 to the base 12 by attaching it from above, the mounting holes 50 and 74 on the peripheral edge of the lamp body 13 are adjusted to the positions of the bolts 27 protruding from the base 12. The lamp body 13 and the base 12 are positioned with respect to each other, and the mounting holes 50, 74 of the lamp body 13 are positioned.
While being inserted through the bolts 27 of the base 12, the peripheral portion of the lamp body 13 is fitted and fitted to the lamp body fitting portion 25 of the base 12, and penetrates through the lamp body 13 to each nut storage portion 51. Each nut is screwed onto the tip of each protruding bolt 27, so that the nut is attached to the base 12 in a liquid-tight manner.

When the lamp 13 is positioned on the base 12 and is attached from above, the power receiving terminal 102 of the power receiving terminal block 91 disposed on the lamp 13 is disposed on the base 12 as shown in FIG. The power supply terminal block 92 is inserted into the insertion hole 118 of the power supply terminal block 92, and the respective contact pieces 127 of the power supply terminal block 92 contact the peripheral surface of the power reception terminal 102 inserted into the insertion hole 118, and the power reception terminal 102 and power supply terminal 1 on base 12
12 is electrically connected.

As described above, by attaching the lamp body 13 to the base 12, the power receiving terminal 10 of the power receiving terminal block 91 disposed on the lamp body 13 is provided.
2 can be electrically connected by contacting the power supply terminal 112 of the power supply terminal block 92 disposed on the base 12, so that no special wiring work is required, the installation work can be simplified, and the bottom surface of the lamp 13 and the base There is no need to secure a space for storing wiring and the like between the base 12 and the sign lamp 11 including the base 12 can be thinned.

The power supply terminal block 92 is mounted on the base 12 so as to be movable in a direction intersecting with the application direction, so that the position of the power receiving terminal 102 and the power supply terminal 112 in the application direction is shifted. However, if the distal end of the power receiving terminal 102 engages with the guide hole 119 of the power supply terminal block 92, the power supply terminal block 92 moves according to the position of the power reception terminal 102, and the power reception terminal 102 is securely connected to the power supply terminal 112. Can be connected to The movable range of the power supply terminal block 92 at this time is determined by the mounting tolerance between the lamp 13 and the base 12, the arrangement tolerance of the power receiving terminal block 91 on the lamp 13 side, and the arrangement of the power supply terminal block 92 on the base 12 side. By setting a value larger than the total value of the tolerances, it is possible to reliably cope with a positional deviation between the power receiving terminal 102 and the power supply terminal 112 in the attaching direction.

Further, since the power receiving terminal 102 is a cylindrical plug pin, the power receiving terminal 102 is inserted into the cylindrical insertion hole 118 of the power supply terminal block 92 so that the power receiving terminal 102 and the power receiving terminal block 91 are supplied with power. It functions as a positioning guide for the terminal block 92, so that the power receiving terminal 102 can be reliably connected to the power supply terminal 112 in the insertion hole 118. Furthermore, by forming the tip of the power receiving terminal 102 into a spherical shape, the amount of protrusion can be reduced as compared with the case where the power receiving terminal 102 is provided in a conical shape, thereby contributing to a reduction in thickness.

Moreover, since the expanding guide hole 119 is provided at the opening end of the insertion hole 118, even if the power receiving terminal 102 and the insertion hole 118 are misaligned in the attaching direction, the power receiving terminal 102 is not displaced. Can be guided into the insertion hole 118 and inserted reliably.

[0045]

According to the first aspect of the present invention, by attaching the lamp body to the base, the power receiving terminal of the power receiving terminal block arranged on the lamp body supplies power to the power supply terminal block arranged on the base body. Since it can be electrically connected to the terminals, no special wiring work is required and installation work is easy, and there is no need to secure a space for storing wiring etc. between the bottom of the lamp and the base. The sign lamp including the stand can be thinned.

According to the marker light of claim 2, claim 1 is provided.
In addition to the effects of the described marker lights, the power supply terminal block is arranged so as to be movable in the direction crossing the direction in which the lamp body is attached,
A reliable connection can be made in response to a positional deviation between the power receiving terminal and the power supply terminal in the attaching direction.

According to the marker light of claim 3, claim 2 is provided.
In addition to the effects of the marker lights described above, the movable range of the power supply terminal block is the total Since the value is set to be larger than the value, it is possible to reliably cope with a positional deviation between the power receiving terminal and the power supply terminal in the attaching direction.

According to the marker light of claim 4, claim 1 is provided.
In addition to the effects of the marker lamp according to any one of the above-described items 3, since the power receiving terminal is a cylindrical plug pin, the power receiving terminal is inserted into the cylindrical insertion hole of the power supply terminal block main body, so that the power receiving terminal becomes It functions as a positioning guide between the power receiving terminal block and the power supply terminal block, and can reliably connect the power receiving terminal to the power supply terminal in the insertion hole.

According to the marker light of claim 5, according to claim 4,
In addition to the effect of the sign lamp described, an expanded guide hole is provided at the opening end of the insertion hole, so that even if the power receiving terminal and the insertion hole are misaligned in the attaching direction, the power receiving terminal Can be securely inserted by guiding it into the insertion hole.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a marker light showing an embodiment of the present invention.

FIG. 2 is a plan view showing a state where an upper lamp body of the lamp body of the marker light is removed.

FIG. 3 is a plan view of the marker light.

4 (a) is a side view, FIG. 4 (b) is a front view, and FIG. 4 (c) is a plan view.

5A and 5B show the same power supply terminal block, wherein FIG. 5A is a side view, FIG. 5B is a front view, and FIG. 5C is a plan view.

6A and 6B show a power receiving terminal block and a power supply terminal block, respectively,
Is a side view of a connection process, and (b) is a side view of a connection state.

[Explanation of symbols]

 11 Beacon light 12 Base 13 Light body 91 Power receiving terminal block 92 Power supply terminal block 102 Power receiving terminal 111 Power supply terminal block main body 112 Power supply terminal 118 Insert hole 119 Guide hole

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yasushi Ishida 4-3-1 Higashishinagawa, Shinagawa-ku, Tokyo F-term in Toshiba Lighting & Technology Corporation (Reference) 2D064 AA02 AA22 BA05 CA05 DA09 DA16 DB04 EB01 EB34 GA01 3K080 AA08 AB17 AB18 BB01 BE05 BE10 CC12 CC14

Claims (5)

[Claims] 1. A base; a lamp body attached to and attached to the base; a power supply terminal block having a power supply terminal arranged on the base; and a power supply arranged on the lamp body and supplying power when the lamp body is attached. A power receiving terminal block having a power receiving terminal electrically connected to a power supply terminal of the terminal block. 2. The marker lamp according to claim 1, wherein the power supply terminal block is arranged so as to be movable in a direction intersecting with a mounting direction of the lamp body. 3. The movable range of the power supply terminal block is larger than the sum of the mounting tolerance between the lamp body and the base, the arrangement tolerance of the power receiving terminal block on the lamp body side, and the arrangement tolerance of the power supply terminal block on the base side. 3. The marker lamp according to claim 2, wherein: 4. The power receiving terminal is a cylindrical plug pin, and the power supply terminal block has a power supply terminal block main body having a cylindrical insertion hole into which the power reception terminal is inserted and in which the power supply terminal is arranged. The marker lamp according to any one of claims 1 to 3, characterized in that: 5. The sign lamp according to claim 4, wherein an opening-shaped guide hole is provided at an opening end of the insertion hole.