JP6844251B2 - lighting equipment - Google Patents

Description

The present invention relates to a luminaire.

Conventionally, there is known a lighting fixture having a power supply board and a light emitting board inside the fixture body and installed outdoors to mainly illuminate a road surface (see, for example, Patent Document 1). In these luminaires, a light source and a power supply component are arranged on the same substrate for easy assembly.

Japanese Unexamined Patent Publication No. 2016-24954

In lighting fixtures installed outdoors, the fixture body has a waterproof structure, and the inside of the fixture body is a closed space. Each of the light source and the power source housed in the instrument body is a heating element, and in the sealed instrument body, they are easily affected by each other by heat. When the light source and the power supply housed in the main body of the fixture are mutually affected by heat, it is necessary to set restrictions on the input power and the usage environment.

Therefore, the present invention has been made in view of the above circumstances, and provides a luminaire having a light source and a power source in the main body of the luminaire so that the light source and the power source are not easily affected by heat. The purpose.

The present invention provides a luminaire comprising a light source section having a mounting substrate on which a plurality of LED is mounted in the housing, the fixture main body and a power supply board for supplying power to the light source unit, wherein the housing , A mounting surface on which the mounting board is mounted , a bulging portion in which the top surface of the housing is bulged along both sides in the width direction of the mounting surface, and a bulging portion provided inside the bulging portion. wherein a surface of said mounting surface side of the housing and a recess recessed in the side opposite to the emission direction of the light source unit, the power supply substrate is disposed on the inner portion of the recess, the top face of the housing The back surface of the mounting surface is provided with a heat radiating fin that extends along the direction in which the recess extends and dissipates heat from the light source portion .

Further, in the luminaire, the power supply board may be fixed to the inner surface of the recess and the surface farthest from the mounting surface .

Further, the luminaire may be characterized in that the protruding height of the heat radiating fin from the top surface is lower than the protruding height of the bulging portion.

Further, the luminaire may be characterized in that a plurality of convex portions for dealing with bird damage are provided along the heat radiating fins.

Further, in the luminaire, the plurality of convex portions may be installed at intervals narrower than the width of the grown crow .

In the present invention, the instrument main body is provided with a recess in which the mounting surface of the mounting board on which the light source is mounted is recessed on the side opposite to the radiation direction of the light source portion, and the power supply board is arranged on the inner surface of the recess. Therefore, since the light source and the power supply are arranged apart from each other with a height difference, it is possible to make them less susceptible to heat influence from each other.

It is a perspective view which looked at the luminaire which concerns on embodiment of this invention from below. It is a perspective view of a lighting fixture as seen from above. It is a top view of a lighting fixture as seen from below. It is a perspective view which shows the state which the base lid body of a luminaire is opened. It is an exploded perspective view of a lighting fixture. It is I-I of FIG. It is a figure which shows the internal structure of the housing, and is the figure which looked at the housing from the diagonally lower side. It is a perspective view of a clamp. It is a top view of a clamp. It is a figure which shows the state which the clamp is attached to the instrument main body, (A) is the figure before the attachment, (B) and (C) are in the process of attachment, (D) is the figure which shows after the attachment. It is a figure which shows the state which the clamp is attached to the instrument main body, (A) is a figure which shows before attachment, (B) and (C) are in the process of attachment, (D) is a figure which shows after attachment. It is a perspective view which shows the lighting fixture of a modification.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of the luminaire 1 according to the present embodiment as viewed from below, and FIG. 2 is a perspective view of the luminaire 1 as viewed from above. FIG. 3 is a plan view of the luminaire 1 as viewed from below, and shows the luminaire 1 with the front cover 12 and the front frame 13 removed in order to show the inside of the luminaire 1.

The lighting fixture 1 is a fixture that can be installed outdoors and used as, for example, road lighting. As shown in FIGS. 1 to 3, the lighting fixture 1 includes a fixture body 10, and the fixture body 10 is of a pole type (not shown) erected outdoors such as a roadside, a streetside, a parking lot, or a park. It is used by supporting it on the upper end of the support. Further, the luminaire 1 may be used by supporting the luminaire body 10 by a support member (not shown) extending in an arm shape from the wall surface of the structure. A clamp 5 for instructing the support column or the support member of the lighting fixture 1 is attached to the fixture main body 10.

In the following description, the direction of the length L from the base end 10A to the tip end 10B of the fixture body 10 is aligned with the width direction of the road, and the direction of the width W is aligned with the lane axis direction of the road. The configuration of the lighting fixture 1 will be described by taking as an example the case where the lighting fixture 1 is installed on the side of the road.

The instrument body 10 has a substantially rectangular shape in a plan view. Further, the instrument body 10 is a thin instrument having a vertically long shape having a length L larger than a width W and a thickness T in the vertical direction being thinner than the length L and the width W.
The instrument main body 10 includes a housing 11, a front cover 12, and a front frame 13. The housing 11, the front cover 12, and the front frame 13 are formed of members having corrosion resistance and strength that can sufficiently withstand outdoor use. The housing 11 is preferably made of a material having high thermal conductivity, for example, a casting made of aluminum, an aluminum alloy, or the like (so-called die-cast).

The front cover 12 is formed of a material such as glass or polycarbonate having corrosion resistance and strength, and has light transmission. The front frame 13 may be a casting made of aluminum, an aluminum alloy, or the like, or may be formed of a material other than metal such as reinforced plastic having corrosion resistance and strength.
The instrument main body 10 is provided with a base portion 20 on the base end 10A side. The base 20 may be integrally formed with the housing 11. A clamp 5 for attaching the instrument main body 10 to a support or a support member is attached to the base 20.

The housing 11 is formed in a box shape in which the lower surface 11A, which is a surface facing the irradiated surface in the installed state, is open. The front cover 12 is configured to cover the open lower surface 11A of the housing 11 and to waterproof the inside of the housing 11. A packing 18 is attached to the front cover 12 along the entire circumference of the outer ring.

The front frame 13 is configured to fix the front cover 12 to the lower surface 11A of the housing 11, and the outer ring shape is formed in a frame shape substantially the same as the outer ring shape of the housing 11. The packing 18 has a substantially U-shaped cross section configured to be interposed between the outer ring of the front cover 12 and the inner surface of the housing 11 and between the lower surface 11A of the housing 11 and the front frame 13. It is formed in a shape. As a result, by fixing the front cover 12 to the lower surface 11A by the front frame 13, the lower surface 11A of the housing 11 is closed and the inside becomes a waterproof structure.

The front frame 13 is provided with an exit opening 14 that allows the front cover 12 to face the irradiated surface.
As shown in FIG. 3, the light source unit 50 is housed in the instrument main body 10. The light source unit 50 is arranged so that the light emitting surface side faces the front cover 12. As a result, the luminaire 1 is configured such that the light from the light source unit 50 is emitted from the exit opening 14 through the front cover 12 and irradiates the irradiated surface.

FIG. 4 is a diagram showing an internal configuration of the base 20. As shown in FIG. 4, the base 20 is formed in a hollow box shape, and the internal space is configured as a wiring chamber 21. Inside the connection chamber 21, the wiring drawn into the base 20 through the clamp 5 is connected to the wiring from the light source unit 50 and the power supply unit 60 housed in the instrument main body 10. Further, the base 20 is provided with a lid 22 for waterproofing the connection chamber 21. The lid 22 is provided on the top surface 11B of the housing 11 so as to be openable and closable. The connection chamber 21 is configured to be opened to the outside from the top surface 11B side of the housing 11 when the lid 22 is opened, and to be waterproof inside when the lid 22 is closed.

FIG. 5 is an exploded perspective view of the luminaire 1. As shown in FIG. 5, the light source unit 50 housed inside the housing 11 includes a plurality of LEDs 53, which is an example of a light emitting element, as a light source. Further, the light source unit 50 includes a mounting substrate 51 on which a plurality of LEDs 53 are mounted, and an optical member 55 that controls the light of the LEDs 53. The optical member 55 is provided with a plurality of lenses 54 arranged so as to cover each LED 53 so as to correspond to each LED 53.

The inner surface of the top surface 11B of the housing 11 is formed flat, and the surface is configured as a mounting surface 15 to which the light source portion 50 is mounted. The surface area of the mounting surface 15 is formed to be substantially the same as that of the mounting substrate 51 of the light source unit 50. The light source unit 50 is fixed so that the entire back surface of the mounting surface of the mounting board 51 is in surface contact with the surface of the mounting surface 15. The light source unit 50 may be configured to be screwed to the mounting surface 15 with, for example, a plurality of screws. The mounting board 51 is formed of a material having excellent thermal conductivity, and is configured so that the heat of the LED 53 is efficiently transferred from the mounting board 51 to the mounting surface 15 and dissipated from the housing 11. .. As a result, the heat of the LED 53 is efficiently transferred from the mounting surface 15 to the housing 11 in the light source unit 50. As a result, the temperature rise of the light source unit 50 can be suppressed.

The housing 11 is provided with a plurality of heat radiation fins 16 on the top surface 11B. A plurality of heat radiation fins 16 are provided at positions corresponding to the back surface portion of the mounting surface 15 on the top surface 11B. As a result, the heat transferred from the light source unit 50 to the mounting surface 15 is easily transferred to the heat radiating fins 16 provided on the back surface portion of the mounting surface 15, and is radiated to the atmosphere from the heat radiating fins 16. Therefore, the light source unit 50 does not become hot, and the LED 53 can be configured to be less susceptible to heat.

A front cover 12 is provided on the lower surface 11A of the housing 11 at a position facing the light source unit 50 so as to be substantially parallel to the mounting surface 15.
Inside the housing 11, the power supply unit 60 is housed alongside the light source unit 50. The power supply unit 60 is a device that converts commercial power supplied from the outside of the lighting fixture 1 according to the standard of the light source unit 50. The power supply unit 60 is composed of a power supply board 61 and a plurality of types of electronic components 62 mounted on the surface of the power supply board 61. The power supply board 61 is formed in a long plate shape from an insulating material. The power supply unit 60 is housed inside the power supply case 63 and housed inside the housing 11. The power supply case 63 is formed in a rectangular tubular shape from an insulating resin material such as PP resin.

FIG. 6 is a cross-sectional view of the luminaire 1. As shown in FIGS. 5 and 6, a recess 30 for accommodating the power supply unit 60 is provided inside the housing 11. The recess 30 is provided so that the top surface of the housing 11 is recessed on the side opposite to the light radiation direction of the light source portion 50 mounted on the mounting surface 15. The recess 30 extends over the extending range of the mounting surface 15 in the length direction, and the power supply board 61 is formed to have a length that fits within the recess 30.

A pair of recesses 30 are provided at positions sandwiched between the mounting surfaces 15. Further, the pair of recesses 30 are provided on both sides of the mounting surface 15 side by side with the mounting surface 15 along the width direction of the housing 11, that is, the lane axis direction of the luminaire 1. The recess 30 is formed by bulging the top surface 11B of the housing 11, and the top surface 11B of the housing 11 is provided on both sides of the back surface portion of the mounting surface 15 provided with the heat radiation fins 16 in the width direction. Is a bulging portion 11C that is one step higher. The bulging portion 11C extends along the length of the housing 11 and is formed along the side edge of the length.

In this way, since the recesses 30 for accommodating the power supply unit 60 are provided side by side along the lane axis direction, it is possible to prevent the length L dimension of the housing 11 from becoming large. As described above, since the luminaire 1 supports the base end 10A side of the fixture body 10 by the clamp 5, when the length L dimension of the housing 11 becomes large, the force (moment) applied to the clamp 5 is applied. growing. Therefore, the force applied to the clamp can be reduced by preventing the length dimension of the housing 11 from becoming large.

The power supply unit 60 is housed inside the power supply case 63 and housed inside the recess 30. The bottom surface 31 of the recess 30 is provided with a step between the mounting surface 15 and the vertical wall 17. In this way, a height difference is provided between the mounting surface 15 to which the light source unit 50 is mounted and the bottom surface 31 of the recess 30 to which the power supply unit 60 is mounted. As a result, the heat transfer path between the light source unit 50 and the power supply unit 60 is extended, so that the mutual thermal influence between the light source unit 50 and the power supply unit 60 can be reduced. By attaching the power supply unit 60 to the inner surface of the recess 30 excluding the vertical wall 17, the mutual thermal influence between the light source unit 50 and the power supply unit 60 can be reduced. The power supply unit 60 is not limited to the bottom surface 31 of the recess 30 and may be provided by being thermally connected to the inner surface 32 of the recess 30 farthest from the mounting surface 15.

Specifically, the power supply board 61 may be screwed to the bottom surface 31 or the inner side surface 32 of the recess 30 via the power supply case 63. Further, a heat radiating sheet may be sandwiched between the power supply board 61 and the power supply case 63.
By arranging the power supply unit 60 on the surface at a position away from the light source unit 50 in this way, mutual thermal influences can be reduced. Further, as described above, the housing 11 is provided with heat radiating fins 16 on the back surface of the mounting surface 15 to which the light source unit 50 is mounted so that the heat of the light source unit 50 is efficiently radiated. As a result, the heat of the light source unit 50 is efficiently dissipated from the heat radiation fins 16, reducing the mutual thermal influence between the light source unit 50 and the power supply unit 60, and preventing the light source unit 50 from becoming hot.

Power supply units 60 (power supply units 60A and 60B) are housed in a pair of recesses 30 provided on both sides of the mounting surface 15. Power is supplied to the mounting board 51 from two power supply units 60A and 60B. The plurality of LED 53s mounted on the mounting board 51 have a configuration in which an LED 53 that receives power from one power supply unit 60A and an LED 53 that receives power from the other power supply unit 60B are arranged in approximately half each. You may. Further, the LED 53 connected to one power supply unit 60A and the LED 53 connected to the other power supply unit 60B may be arranged alternately, or may be arranged in each row. It may be a configuration in which they are arranged in a plurality of groups.

In this way, by supplying power from the two power supply units 60A and 60B to the plurality of LEDs 53 mounted on one mounting board 51, even if a problem occurs in either one of the power supply units 60A or 60B. Power is supplied from the other side. Therefore, even if a problem occurs in either one of the power supply units 60A and 60B, the lighting fixture 1 can be continuously lit, and a situation in which the road surface is not illuminated can be avoided. Further, by providing the recesses 30 on both sides of the mounting surface 15, the weight of the power supply unit 60 can be dispersed on both sides in the width direction of the housing 11, and the moment applied to the clamp 5 can be reduced. The power supply unit 60 is not limited to the configuration in which two are provided, and one power supply unit 60 may be housed in one of the recesses 30.

The power supply unit 60 is provided so that the power supply unit 60 or the power supply case 63 does not significantly block the light L1 from the LED 53 provided on the outermost portion of the mounting board 51 toward the outer peripheral edge of the emission opening 14. For example, it may be provided so as to protrude from the recess 30.

As described above, in the present embodiment, in the lighting fixture 1 provided with the light source portion 50 and the power supply portion 60 in the fixture main body 10, the fixture main body 10 radiates the mounting surface 15 of the mounting substrate 51 from the light source portion 50. A recess 30 recessed on the opposite side of the direction is provided, and the power supply board 61 is arranged on the inner surface of the recess 30.
According to this configuration, since the light source unit 50 and the power supply unit 60 are arranged apart from each other, the mutual thermal influence between the light source unit 50 and the power supply unit 60 can be reduced. Further, by forming the instrument body 10 from a material having excellent thermal conductivity, the heat of the power supply unit 60 is transferred to the instrument body 10 from the power supply board 61 arranged on the inner surface of the recess of the instrument body 10 to dissipate heat. Can be done. Therefore, the influence of the heat of the power supply unit 60 on the light source unit 50 can be reduced. Further, since the recess 30 is recessed on the side opposite to the radiation direction of the light source unit 50, the light radiated from the light source unit 50 is stored in the recess 30 and the power supply unit 60 does not interfere with it.

Further, in the present embodiment, the power supply board 61 is arranged on the inner surface of the recess 30 and on the surface away from the mounting board 51. According to this configuration, the mutual heat influence between the light source unit 50 and the power supply unit 60 can be reduced by extending the heat transfer path between the light source unit 50 and the power supply unit 60.

Further, in the present embodiment, the recesses 30 are provided at positions sandwiching the mounting surface 15 of the mounting board 51, respectively. According to this configuration, the power supply unit 60 that supplies power to the light source unit 50 can be divided into two and arranged on both sides of the light source unit 50. Therefore, even if the supply of power from one of the power supply units 60 is interrupted, the irradiation of the light source unit 50 is not completely lost, and the illuminated surface can be continuously illuminated. As a result, when the luminaire 1 is used as road lighting, the road can be lit stably.

Further, in the present embodiment, the recesses 30 are provided side by side in the lane axis direction of the road. According to this configuration, in the instrument main body 10 in which the base end 10A side, which is the longitudinal end portion, is supported by the support column or the support member, the recess 30 can be provided without increasing the longitudinal dimension of the instrument main body 10. Therefore, the moment due to the weight of the instrument body 10 applied to the clamp 5 can be reduced as compared with arranging the recesses 30 along the longitudinal direction of the instrument body 10. Further, since the light source unit 50 and the power supply unit 60 are housed in the instrument body 10 so as not to overlap each other vertically, the recesses 30 are provided side by side in the lane axis direction of the road to obtain the longitudinal dimension of the instrument body 10. It is possible to secure a sufficient space for accommodating the power supply unit 60 without increasing the size.

Further, in the present embodiment, the instrument main body 10 is fixed on the base end 10A side in the installed state, is formed in a long shape from the tip end 10B to the base end 10A, and the recesses 30 are on both sides of the instrument body 10 on both sides. It is provided. According to this configuration, the weight of the power supply unit 60 can be distributed to both sides sandwiching the short hand of the instrument body 10, and the instrument body 10 can be stably supported by the clamp 5.

Further, in the present embodiment, the recess 30 is provided by inflating the top surface 11B of the instrument main body 10. According to this configuration, even if the instrument body 10 has a thin wall structure, the recess 30 can be provided, and the instrument body 10 can be made lightweight.

Further, in the present embodiment, the top surface 11B of the instrument body 10 is provided with heat radiation fins 16 on the back surface of the mounting surface 15. According to this configuration, the heat transferred from the light source unit 50 to the instrument main body 10 via the mounting surface 15 is efficiently dissipated from the top surface 11B which is the back surface of the mounting surface 15. As a result, the heat transferred from the light source unit 50 to the instrument main body 10 can be prevented from being transferred to the power supply unit 60 via the instrument main body 10. Therefore, the mutual thermal influence between the light source unit 50 and the power supply unit 60 can be reduced.

By the way, as described above, the luminaire 1 is used by being supported by an upper end portion of a pole-shaped column or a support member extending in an arm shape from a wall surface of a structure via a clamp 5. Conventionally, the clamp 5 is fixed to the base 20 from the outside by a fastener such as a bolt. However, due to damage or loosening of the fasteners, the coupling of the fasteners may be released. In general, the instrument body 10 is connected to the support column or the support member by a wire so that the instrument body 10 does not fall even when the fastener is released. However, the fall prevention measure using a wire is not sufficient as a fall prevention measure because the instrument main body 10 is suspended by the wire when the fastener is released from the connection. Therefore, the clamp 5 of the present embodiment has a configuration in which the instrument body 10 does not fall even when the coupling of the fastener for fixing the clamp 5 to the instrument body 10 is released. There is.

FIG. 7 is a view of the housing 11 as viewed from the diagonally lower side of the base end 10A. FIG. 8 is a perspective view of the clamp 5, and FIG. 9 is a plan view of the clamp 5 as viewed from above.
As shown in FIG. 7, the base portion 20 is provided with a hook hole 25 that penetrates the outer surface and communicates with the internal connection chamber 21. The hook hole 25 is formed in an elliptical shape in which the length of the major axis a is longer than the length of the minor axis b. Further, in the hook hole 25, the short axis b is arranged substantially in parallel in the width direction of the housing 11. The base portion 20 is configured as an oblique instrument fixing surface 26 in which the end surface on the base end 10A side gradually approaches the tip 10B side downward. The instrument fixing surface 26 may be formed in a side view arc shape that protrudes outward from the base 20. Although the details will be described later, the hook hole 25 allows the clamp 5 to be attached to the base 20 from either a direction substantially perpendicular to the mounting surface 15 of the housing 11 or a direction substantially parallel to the mounting surface 15. It is configured.

Next, the configuration of the clamp 5 will be described.
As shown in FIGS. 8 and 9, the clamp 5 includes a tubular portion 6, a flange portion 7, and an insertion portion 8. The tubular portion 6 is a portion to be inserted into a support column or a support member that supports the luminaire 1, and includes a screw hole 6a to which a screw or a bolt for fixing the tubular portion 6 is fastened to the support column or the support member. .. The flange portion 7 is a portion for fixing the clamp 5 to the base portion 20 from the outside, and is formed in a shape corresponding to the instrument fixing surface 26 of the base portion 20. The flange portion 7 may be fixed to the base portion 20 from the outside with screws or bolts in a state where the contact surface 7a that abuts the instrument fixing surface 26 is in contact with the instrument fixing surface 26 as a whole. It is configured so that it can be done.

The bolt holes 7b for fixing the flange portion 7 to the base portion 20 are formed in an elongated hole shape so as to make the fixing angle of the flange portion 7 with respect to the base portion 20 variable. The flange portion 7 fixes the clamp 5 to the base portion 20 at an arbitrary angle by passing a bolt through the elongated bolt hole 7b and fixing the bolt at an arbitrary position within the range of the bolt hole 7b. Is configured to allow

As shown in FIG. 9, the clamp 5 is provided with a wiring hole 9 extending through the tubular portion 6 and the flange portion 7. When the luminaire 1 is supported by the stanchion or the support member, the wiring is drawn into the luminaire 1 from the inside of the stanchion or the support member through the wiring hole 9.
The insertion portion 8 is a portion to be inserted into the hook hole 25 of the base portion 20 when the flange portion 7 is fixed to the base portion 20 from the outside. The insertion portion 8 is formed in an arc shape along the circumference of the wiring hole 9, and is provided along the edge of the wiring hole 9. The insertion portion 8 is provided along a range narrower than half of the circumference of the wiring hole 9, and is preferably provided at the lower edge portion of the wiring hole 9 on the oblique contact surface 7a.

A hook piece 8a is provided at the upper end of the insertion portion 8. The hook piece 8a is provided along the upper end of the insertion portion 8, and is formed in a fan shape extending in the outer diameter direction of the wiring hole 9, for example. The shape of the hook piece may be elliptical or rectangular, as long as the longitudinal dimension L2 is shorter than the length of the major axis a of the hook hole 25 and longer than the length of the minor axis b. good. The dimension in the lateral direction rotated by 90 degrees with respect to the longitudinal direction needs to be shorter than the length of the minor axis b of the hook hole 25.

10 and 11 are views showing a state of assembling work when assembling the clamp 5 to the instrument main body 10. FIG. 10 shows a state of assembling work when assembling the clamp 5 to the instrument main body 10 in a direction substantially perpendicular to the mounting surface 15. FIG. 11 shows a state of assembling work when assembling the clamp 5 to the instrument main body 10 in a direction substantially parallel to the mounting surface 15.
As shown in FIG. 10, when assembling the clamp 5 to the instrument body 10 in a direction substantially perpendicular to the mounting surface 15, first, as shown in FIG. 10A, the hooking piece 8a is hooked in the direction of the longitudinal L2 of the hooking piece 8a. As shown in FIG. 10B, the insertion portion 8 is inserted into the hook hole 25 in the direction of the long axis a of the hole 25. After inserting the insertion portion 8 into the hook hole 25, the clamp 5 is rotated so that the hook piece 8a is hooked on the lower edge portion 25a side of the hook hole 25 as shown in FIG. 10 (C). Then, as shown in FIG. 10D, the flange portion 7 is fixed to the outside of the base portion 20 at an arbitrary angle.

Further, as shown in FIG. 11, when assembling the clamp 5 to the instrument main body 10 in a direction substantially parallel to the mounting surface 15, first, as shown in FIG. 11A, the direction of the longitudinal L2 of the hook piece 8a is changed. As shown in FIG. 11B, the insertion portion 8 is inserted into the hook hole 25 in the direction of the long axis a of the hook hole 25. After inserting the insertion portion 8 into the hook hole 25, the clamp 5 is rotated so that the hook piece 8a is hooked on the upper edge portion 25b side of the hook hole 25 as shown in FIG. 11 (C). Then, as shown in FIG. 11D, the flange portion 7 is fixed to the outside of the base portion 20.

As described above, in the clamp 5, the flange portion 7 is fixed to the outside of the base portion 20 with bolts or the like, and the hook piece 8a is hooked to the inside of the hook hole 25. As a result, even if the bolts that fix the flange portion 7 and the base portion 20 are released from each other, the hook piece 8a is hooked inside the hook hole 25, so that the instrument main body 10 does not fall.
Further, by simply changing the rotation direction of the clamp 5 with respect to the base 20, the common clamp 5 is used to form an arm shape from the wall surface of the structure to the upper end of the pole-shaped column in which the instrument body 10 is erected from the ground. It can be installed by supporting it on a support member extending to.

FIG. 12 is a diagram showing a modified lighting fixture 101.
The above-mentioned luminaire 1 is a relatively large road light, and the top surface 11B of the housing 11 is formed in a flat surface shape having a large area. Therefore, the bird tends to stop on the top surface 11B of the housing 11. Therefore, the lighting fixture 101 of this modified example has a configuration for dealing with bird damage in which birds do not easily stop on the top surface 111B of the housing 111. In the following description, the same components as those of the above-mentioned lighting fixture 1 are designated by the same reference numerals in the drawings, and the description thereof will be omitted.

As shown in FIG. 12, a plurality of convex portions 112 are provided on the top surface 111B of the housing 111. These convex portions 112 may be provided along the heat radiating fins 16 provided on the top surface 111B. The heat radiating fins 16 may have a structure in which the height of the fins is relatively low, or may be a structure in which the heat radiating fins 16 are not provided. According to this configuration, the heat radiation fins 16 do not obstruct the flow of water such as rainwater flowing on the top surface 111B of the housing 111.

The plurality of convex portions 112 are formed in a shape that tapers toward the upper end, for example, a shape such as a quadrangular pyramid or a triangular pyramid. Further, it is desirable that the plurality of convex portions 112 are installed at intervals narrower than the width of the grown crow. According to this configuration, it is possible to make it difficult for birds to stop on the top surface 111B of the housing 111. The convex portion 112 may be provided so as to correspond to the spacing between the screws for screwing and mounting the mounting board 51 to the mounting surface 15 on the inner surface of the housing 111.

It should be noted that the above-described embodiment is merely an example of one aspect of the present invention, and can be arbitrarily modified and applied without departing from the spirit of the present invention.

For example, in the above-described embodiment, the case where the lighting fixture 1 is used as road lighting has been described as an example, but the present invention is not limited to this, and the lighting fixture 1 can be applied to any lighting fixture.

Further, in the above-described embodiment, the LED 53 is exemplified as an example of the light emitting element included in the light source unit 50, but the light emitting element may be another element such as an organic EL element without the LED 53.

1 Lighting equipment 5 Clamp 10 Equipment body 10A Base end 10B Tip 11 Housing 11B Top surface 12 Front cover 13 Front frame 14 Exit opening 15 Mounting surface 16 Heat dissipation fin 17 Standing wall 30 Recessed 31 Bottom surface 32 Inner side surface 50 Light source part 51 Mounting board 60 , 60A, 60B Power supply unit 61 Power supply board 62 Electronic components

Claims (5)

In luminaire comprising a light source section having a mounting substrate on which a plurality of LED in the housing is mounted, the fixture main body and a power supply board for supplying power to the light source unit,
The housing is
The mounting surface on which the mounting board is mounted and
A bulging portion that bulges the top surface of the housing along both sides in the width direction of the mounting surface, and
It is provided with a recess provided inside the bulge portion, and the surface of the housing on the mounting surface side is recessed on the side opposite to the radiation direction of the light source portion .
The power supply substrate is disposed on the inner portion of the recess,
A lighting fixture that is the top surface of the housing and has heat dissipation fins on the back surface of the mounting surface that extend along the direction in which the recess extends and dissipate heat from the light source portion. .. The luminaire according to claim 1, wherein the power supply board is an inner surface of the recess and is fixed to a surface farthest from the mounting surface. The luminaire according to claim 1 or 2, wherein the protruding height of the heat radiating fin from the top surface is lower than the protruding height of the bulging portion. The lighting fixture according to any one of claims 1 to 3, wherein a plurality of convex portions for dealing with bird damage are provided along the heat radiating fin. The luminaire according to claim 4, wherein the plurality of convex portions are installed at intervals narrower than the width of the grown crow.

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