WO2020255910A1

WO2020255910A1 - Lighting handrail

Info

Publication number: WO2020255910A1
Application number: PCT/JP2020/023364
Authority: WO
Inventors: 浩人戸恒; 隆津久井; 秀靖細谷
Original assignee: ナカ工業株式会社
Priority date: 2019-06-19
Filing date: 2020-06-15
Publication date: 2020-12-24
Also published as: CN113994056A; CN113994056B; JP2020204236A; JP7263137B2

Abstract

A lighting handrail comprises a handrail top rail in which a groove opened downward is provided to pass through in the long direction, an LED module in which a plurality of LED light sources are disposed side by side in the groove of the handrail top rail, and a strip lighting cover that is disposed on the groove opening. The lighting cover is provided with a louver in which a light transmitting layer and a light shielding layer are alternately disposed repeatedly in the lengthwise direction of the opening.

Description

Lighting handrail

This disclosure relates to a lighting handrail that incorporates lighting into the handrail Kasagi.

Conventionally, in handrails installed on stairs, passages, etc., lighting handrails in which lighting is incorporated into handrail caps are widely known. As this type of lighting handrail, a handrail main body having a recess that opens downward, a so-called handrail cap tree, a plurality of light emitting diodes arranged in the recess, a so-called LED light source, and light arranged in the opening of the recess. Lighting handrails equipped with a transparent member, a so-called lighting cover, are known (see Practical New Design Registration No. 3202849).

When the lighting handrail described in Practical New Design Registration No. 3202849 is installed on the stairs, the LED light source has a strong directivity. I sometimes felt dazzling.
However, if the brightness of the LED light source of the lighting handrail is lowered in order to reduce the glare of the LED light source, sufficient brightness cannot be secured for lighting.

Therefore, an object of the present disclosure is to prevent the LED light source from dazzling when a passerby looks up from a lowland when the LED light source is installed in a place having a height difference such as a staircase, a ramp, or a stairwell, and at a sufficient brightness. The purpose is to provide a lighting handrail that can be illuminated.

In order to achieve the above object, in the lighting handrail according to the first aspect, a handrail cap tree having a recess that opens downward is provided in a longitudinal direction, and a plurality of LED light sources are arranged in parallel in the recess of the handrail cap tree. The LED module is provided with a strip-shaped lighting cover arranged in the opening of the recess, and the lighting cover has light transmitting layers and light shielding layers alternately arranged in the longitudinal direction or the width direction of the opening. It has a louver part that is repeatedly arranged.
According to the lighting handrail according to the first aspect, since the light emission direction is restricted by the louver portion in which the light transmitting layer and the light blocking layer are alternately laminated, when the opening of the handrail cap tree is viewed from outside the viewing range. Can prevent the unpleasant glare felt by passers-by because the light of the LED light source does not directly enter the eyes, and in addition, it can illuminate with sufficient brightness in the viewing range.

The lighting handrail according to the second aspect is the lighting handrail according to the first aspect, so that the LED light sources adjacent to the LED modules tilt the emission optical axis of the LED light source with respect to the virtual lead plane passing through them. Have been placed.
According to the lighting handrail according to the second aspect, it is possible to illuminate with sufficient brightness by directing the emission optical axis of the LED light source to the tread surface of the stairs or the floor surface of the corridor.

The lighting handrail according to the third aspect is the lighting handrail according to the first or second aspect, in which the light transmitting layer and the light shielding layer are alternately arranged in the longitudinal direction of the opening in the louver portion. The light-shielding layer is arranged substantially orthogonal to the longitudinal direction of the opening.
According to the lighting handrail according to the third aspect, the light emitted from the lighting cover in the longitudinal direction of the handrail cap tree is blocked by the light-shielding layer arranged orthogonally to the longitudinal direction of the opening, so that a passerby is illuminated. When looking up at the handrail from a low position, it is possible to prevent the light from the LED light source from directly entering the eyes. As a specific example, the lighting handrail according to the third aspect is more effective when it is installed in a place having a height difference such as a staircase or a ramp.

The lighting handrail according to the fourth aspect is the lighting handrail according to the first or second aspect, in which the light transmitting layer and the light shielding layer are alternately arranged in the width direction of the opening in the louver portion. The light-shielding layer is arranged substantially parallel to the longitudinal direction of the opening.
According to the lighting handrail according to the fourth aspect, the light emitted from the lighting cover in the width direction of the handrail cap is blocked by the light-shielding layer arranged parallel to the longitudinal direction of the opening, so that a passerby is illuminated. When looking up at the handrail from a low position, it is possible to prevent the light from the LED light source from directly entering the eyes. As a specific example, it is more effective when the lighting handrail according to the fourth aspect is installed on a wall surface having light transmission, for example, a glass wall or the like in a place having a height difference such as a staircase, a ramp, or a stairwell. ..

The lighting handrail according to the fifth aspect is the lighting handrail according to the fourth aspect, in which the light-shielding layer of the louver portion is arranged so as to be inclined with respect to a virtual vertical plane passing through the adjacent LED light source.
According to the lighting handrail according to the fifth aspect, the light of the LED light source can be directed to the tread of the stairs or the floor of the corridor, so that when a passerby looks up at the lighting handrail from a low position, the light of the LED light source is emitted. It is possible to prevent direct contact with the eyes more effectively.

In the lighting handrail according to the sixth aspect, in the lighting handrail according to the fifth aspect, the light-shielding layer and the emission light axis of the LED light source are substantially parallel to each other.
According to the lighting handrail according to the sixth aspect, the light from the LED light source can be efficiently transmitted in the viewing range without being blocked by the light-shielding layer while limiting the viewing range through which the light from the LED light source is transmitted in the lighting cover. It can illuminate brighter.

The lighting handrail according to the seventh aspect is the lighting handrail according to any one of the first to sixth aspects, in which a light diffusing plate is provided between the LED light source and the lighting cover.
According to the lighting handrail according to the seventh aspect, as a result of the light from the LED light source being diffused by the light diffusing plate, the light is spread and diffused in a plane shape, so that the light from a plurality of LED light sources can be seen in spots on the lighting cover. That can be alleviated.

According to the present disclosure, when installed in a place with a height difference such as a staircase, a ramp, or a stairwell, the LED light source is prevented from dazzling when a passerby looks up from a lowland and is illuminated with sufficient brightness. be able to.

It is an overall perspective view which shows the installation state of the 1st example and the 2nd example of the lighting handrail which concerns on embodiment of this invention. It is a perspective view which shows the state which the lighting handrail of 1st example is installed in the stairs and the upper corridor. It is sectional drawing which shows the lighting handrail of 1st example. It is an exploded perspective view of the lighting handrail of 1st example. It is sectional drawing explanatory drawing of the lighting handrail of 1st example. It is a bottom view of the lighting handrail of the first example. FIG. 6A is a cross-sectional view taken along the line bb of FIG. 6A. It is a perspective view which shows the state which the lighting handrail of 2nd example is installed on the glass wall. It is sectional drawing explanatory drawing of the lighting handrail of the 2nd example. It is an enlarged sectional view of the lighting cover of the 2nd example.

Hereinafter, a mode for carrying out the lighting handrail according to the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, the lighting handrail 10 of the first example is installed on the wall surface W1 of the stairs and the upper corridor, and the lighting handrail 100 of the second example has light transmission in the upper corridor. It is installed on the glass fence G and the wall surface W2.

First, a first example of the embodiment of the present invention will be described with reference to FIGS. 2 to 6B.
As shown in FIG. 2, the lighting handrail 10 of the first example is supported by a bracket 20 attached to the wall surface W1 at a predetermined interval, and is fixed to the wall surface W1 of the stairs and the upper corridor. As shown in FIG. 3, the bracket 20 has a shape in which two rods are connected in an L shape, and is fixed to the wall surface W1 by a screw or the like. A support member 21 is connected to the upper end of the bracket 20, and a handrail cap tree 30 is fixed on the support member 21 by a screw or the like.

As shown in FIG. 4, the lighting handrail 10 includes a handrail cap tree 30 in which a recess 31 opening downward is provided in a longitudinal direction, and a lighting unit 50 having an LED module 40.
The handrail cap tree 30 is formed in a substantially tubular shape having a recess 31 opened downward by bending a metal plate such as stainless steel.
As shown in FIGS. 4 and 5, the lighting unit 50 includes an LED module 40, a housing 60 accommodating the LED module 40 and the electric cable 51, and a lighting cover 80 that closes the light projection opening 69 of the housing 60. I have.

As shown in FIG. 5, the LED module 40 is formed by accommodating a strip-shaped printed circuit board 42 on which a plurality of LED light sources 41 are mounted in parallel at appropriate intervals in a transparent soft synthetic resin accommodating tube 43. ..
As shown in FIGS. 4 and 5, two lead wires 52 on the anode side and the cathode side are connected to an electric circuit printed on the printed circuit board 42 on one end side in the longitudinal direction of the printed circuit board 42. The LED light source 41 can be supplied with power by connecting these lead wires 52 to the electric cable 51 for power supply.
The arrangement interval of the LED light source 41 is appropriately determined in consideration of the amount of light and the like.

The housing 60 is formed by extrusion molding of a metal such as aluminum. As shown in FIG. 5, the housing 60 is provided with a pair of guides provided with an LED module holding portion 61 for holding the LED module 40, a cable holding portion 62 for holding the electric cable 51, a lighting cover 80, and a light diffusing plate 90. It is composed of a wall 63 and a pair of locking pieces 65 having locking claws 64.

A long rail member 66 is fixed to the ceiling wall of the recess 31 of the handrail cap tree 30 with screws. The rail member 66 is provided with a pair of elastic locking pieces 67 at both ends, and the elastic locking pieces 67 and the locking claws 64 of the housing 60 are elastically fitted to hold the housing 60 on the rail member 66. There is.

A collar portion 68 is formed at each of the lower ends of the pair of guide walls 65, and a light projection opening 69 is formed between the pair of collar portions 68. The light projection opening 69 is closed by a lighting cover 80 held by a pair of collars 68. Then, the opening 32 of the recess 31 is closed by the lighting cover 80 and the pair of collars 68.

As shown in FIG. 5, the adjacent LED light sources 41 are arranged so that the emitted optical axis P of the LED light source 41, that is, the optical axis that maximizes the amount of emitted light is tilted with respect to the virtual vertical plane S passing through them. LED. In the first example, the emitted light axis P of the LED light source 41 is inclined toward the wall surface W1 with reference to the virtual vertical plane S so as to face the tread of the stairs or the floor of the corridor.

As shown in FIGS. 6A and 6B, which is a cross-sectional view taken along the line bb of FIG. 6A, the illumination cover 80 is formed in a strip shape. Further, the illumination cover 80 is provided with a louver portion 81 that transmits the incident light of the LED light source 41 while limiting the emission direction. As shown in FIG. 5, the lighting cover 80 is mounted in a lighting cover mounting groove 70 formed in a pair of guide walls 65 in the housing 60.

As shown in FIG. 6B, the louver portion 81 includes a light transmitting layer 82 that transmits the light of the LED light source 41 and a light shielding layer 83 that blocks the light of the LED light source 41. In the first example, the light transmitting layer 82 and the light-shielding layer 83 are alternately arranged in the longitudinal direction of the opening 32 of the Kasagi main body 30, and the light-shielding layer 83 is arranged substantially orthogonal to the longitudinal direction of the opening 32. Has been done. The light transmitting layer 82 is formed of a transparent silicone rubber composition. Further, the light-shielding layer 83 is formed by coloring the silicone rubber composition with colors such as black, blue, green, and red.
The thickness of the louver portion 81, that is, the thickness of the louver portion 81 in FIG. 6B in the left-right direction is preferably about 0.1 to 2.5 mm. The thickness of the light transmitting layer 82, that is, the thickness of the light transmitting layer 82 in FIG. 6B in the vertical direction is preferably about 0.05 mm to 0.3 mm, and the thickness of the light shielding layer 83, that is, the top and bottom of the light transmitting layer 83 in FIG. 6B. The thickness in the direction is preferably about 0.005 mm to 0.05 mm.

A highly transparent plastic film 84 having heat resistance, for example, polycarbonate or the like, is attached to the front and back of the louver portion 81, that is, on the left and right sides of the louver portion 81 in FIG. 6B. In the first example, the light transmitting layer 82 and the light shielding layer 83 are arranged so as to be perpendicular to the plastic film 84. The thickness of the plastic film 84 is preferably about 0.01 mm to 0.5 mm.

As shown in FIG. 5, a light diffusing plate 90 that diffuses and transmits the light from the LED light source 41 is provided between the LED module 40 and the lighting cover 80. The light diffusing plate 90 is mounted in a light diffusing plate mounting groove 71 formed in a pair of guide walls 65.

Next, a method of attaching the lighting handrail 10 of the first example described above to the wall surface W1 will be described.
First, at the construction site, the lighting unit 40, the rail member 66, the lighting cover 80, and the light diffusing plate 90 are cut according to the distance between the brackets 20, and the electric cable 51 is slightly longer than the total length of the handrail cap tree 30. Cut to.

Then, the LED module 40 is fixed to the LED module holding portion 61 of the housing 60, the lighting cover 80 is inserted into the lighting cover mounting groove 70 of the guide wall 63, and the light diffusing plate 90 is inserted into the light diffusing plate mounting groove 71. Then, the electric cable 51 is housed in the cable holding portion 62.

Next, the rail member 66 is fixed to the ceiling wall of the recess 31 of the handrail cap tree 30 with screws, the housing 60 containing the LED module 40 and the like is inserted into the recess 31, and the elastic locking piece 67 of the rail member 66 is inserted. The locking claw 64 of the housing 60 is elastically fitted, and the rail member 66 holds the housing 60. At this time, the housing 60 is attached so that the emitted light axis P of the LED light source 41 is the tread surface of the stairs or the floor surface of the corridor.

Then, the connecting auxiliary member 91 is inserted into the recess 31 between the

housings

60 and 60, and the handrail cap tree 30 is fixed to the bracket 20 via the support member 21 with screws or the like.
Finally, if both ends of the electric cable 51 are pulled out to the inside of the wall surface W1 through appropriate holes and connected to a commercial power source or a battery via the power supply control unit, the lighting handrail 10 is completed.

As shown in FIGS. 6A and 6B, according to the lighting handrail 10 of the first example described above, in the louver portion 81 of the lighting cover 80, the light transmitting layer 82 and the light shielding layer 83 alternate in the longitudinal direction of the opening 32. Since the light-shielding layer 83 is arranged substantially orthogonal to the longitudinal direction of the opening 32, the light emitted from the lighting cover 80 in the longitudinal direction of the handrail cap tree 30 is shielded by the light-shielding layer 83. .. As a result, when the lighting handrail 10 is installed on the stairs, when a passerby looks up from the downstairs side, the light of the LED light source 41 on the upper floor side can be prevented from directly entering the eyes of the passerby. It is possible to prevent unpleasant glare felt by humans.

Further, as shown in FIG. 5, according to the first example, when the lighting handrail 10 is attached to the wall surface W1 by the bracket 20, the emitted light axis P of the LED light source 41 faces the tread surface of the stairs or the floor surface of the corridor. As described above, since the wall surface W1 is tilted with respect to the virtual lead surface S, the treads of the stairs and the floor surface of the corridor can be illuminated with sufficient brightness.
Further, according to the first example, since the light diffusing plate 90 is provided between the LED module 40 and the lighting cover 80, the light from the LED light source 41 is diffused by the light diffusing plate 90. It is possible to reduce the fact that the light of the plurality of LED light sources 41 is seen in dots.

Next, a second example of the embodiment of the present invention will be described with reference to FIGS. 7 to 9.
The lighting handrail 100 of the second example differs from the lighting handrail 10 of the first example only in the lighting cover 80, and has the same configuration for the others. Hereinafter, with respect to the second example, for the same configuration as the first example, the description of the first example will be referred to for the details.
In the lighting cover 110 of the second example, as shown in FIGS. 8 and 9, in the louver portion 111 of the second example, the light transmitting layer 112 and the light shielding layer 113 alternate in the width direction of the opening 32 of the handrail cap tree 30. The light-shielding layer 113 is arranged substantially parallel to the longitudinal direction of the opening 32.
The thickness of the louver portion 111, that is, the thickness of the louver portion 111 in FIG. 9 in the vertical direction is preferably about 0.1 to 2.5 mm. The thickness of the light transmitting layer 112, that is, the thickness of the light transmitting layer 112 in FIG. 9 in the left-right direction is preferably about 0.05 mm to 0.3 mm, and the thickness of the light-shielding layer 113, that is, the left and right of the light-shielding layer 113 in FIG. The thickness in the direction is preferably about 0.005 mm to 0.05 mm.

A highly transparent plastic film 114 having heat resistance, for example, polycarbonate or the like, is attached to the front and back surfaces of the louver portion 111, that is, the upper and lower sides of the louver portion 111 in FIG.
In the second example, as shown in FIGS. 8 and 9, the light-shielding layer 113 of the louver portion 111 is arranged so as to be inclined with respect to the virtual vertical plane S passing through the adjacent LED light sources 41, and is arranged with the light-shielding layer 113. The emission optical axis P of the LED light source 41 is substantially parallel to the emission optical axis P. That is, in the second example, as shown in FIG. 9, the light transmitting layer 112 and the light shielding layer 113 are substantially parallel to the emitted light axis P of the LED light source 41.

As shown in FIGS. 8 and 9, according to the lighting handrail 100 of the second example, in the louver portion 111 of the lighting cover 100, the light transmitting layer 112 and the light shielding layer 113 are alternately arranged in the width direction of the opening 32. At the same time, since the light-shielding layer 113 is arranged substantially parallel to the longitudinal direction of the opening 32, the light emitted from the lighting cover 110 in the width direction of the handrail cap tree 30 is shielded by the light-shielding layer 113. Further, in the lighting cover 110, since the light shielding layer 113 is tilted toward the glass fence G side with reference to the virtual vertical surface S passing through the adjacent LED light sources 41, the light emitted from the lighting cover 110 in the glass fence G direction is shielded. Will be done. As a result, as shown in FIG. 7, when the lighting handrail 100 is installed on the glass fence G in the upper corridor, when a passerby downstairs looks up at the upper floor, the light of the LED light source 41 passes through the glass fence G. Can be prevented from entering the eyes of passers-by directly.

Further, according to the second example, as shown in FIG. 1, when the lighting handrail 100 is attached to the glass fence G or the wall surface W2 by the bracket 20, the LED light source 41 has the emitted light axis P as a reference to the virtual vertical plane S. The louver portion 111 is arranged so as to be inclined toward the glass fence G side, and the light shielding layer 113 is arranged substantially parallel to the light emitting axis P. As a result, the light of the LED light source 41 can be efficiently emitted toward the floor surface of the upper corridor to illuminate brighter.

The present invention is not limited to the above-described embodiment, and appropriate modifications can be made without departing from the gist of the present invention.
In the present embodiment, the case where the

lighting handrails

10 and 100 are attached to a wall surface or the like by using the bracket 20 is shown, but a plurality of handrail columns are erected on stairs, ramps, etc., and the lighting handrails 10 are attached to these handrail columns. , 100 can be erected. In this case, the electric cable 51 may be pulled out to a space below the stairs via the handrail support and then connected to a commercial power source or the like. Further, in the present embodiment, the housing 60 and the rail member 66 are separate bodies, but the housing and the rail member may be integrally formed.

The disclosure of Japanese Patent Application No. 2019-113700 filed on June 19, 2019 is incorporated herein by reference in its entirety.

All documents, patent applications, and technical standards described herein are to the same extent as if the individual documents, patent applications, and technical standards were specifically and individually stated to be incorporated by reference. Incorporated herein by reference.

The embodiment of the present invention can be used for lighting handrails installed on stairs, ramps, stairwells, and the like.

Claims

A handrail Kasagi with a recess that opens downward,
An LED module in which a plurality of LED light sources are arranged in parallel in the recess of the handrail cap
A strip-shaped lighting cover arranged in the opening of the recess,
With
The lighting cover includes a louver portion in which a light transmitting layer and a light shielding layer are alternately and repeatedly arranged in the longitudinal direction or the width direction of the opening.
Lighting handrail.
The LED light sources adjacent to the LED modules are arranged so that the emission optical axis of the LED light source is tilted with respect to the virtual vertical plane passing through them.
The lighting handrail according to claim 1.
In the louver portion, the light transmitting layer and the light-shielding layer are alternately arranged in the longitudinal direction of the opening, and the light-shielding layer is arranged substantially orthogonally to the longitudinal direction of the opening.
The lighting handrail according to claim 1 or 2.
In the louver portion, the light transmitting layer and the light-shielding layer are alternately arranged in the width direction of the opening, and the light-shielding layer is arranged substantially parallel to the longitudinal direction of the opening.
The lighting handrail according to claim 1 or 2.
The light-shielding layer of the louver portion is arranged so as to be inclined with respect to a virtual vertical plane passing through the adjacent LED light sources.
The lighting handrail according to claim 4.
The light-shielding layer and the emission optical axis of the LED light source are substantially parallel to each other.
The lighting handrail according to claim 5.
A light diffusing plate is provided between the LED light source and the lighting cover.
The lighting handrail according to any one of claims 1 to 6.