JP7027953B2 - lighting equipment - Google Patents

Description

Embodiments of the present invention relate to lighting equipment.

A lighting fixture in which a light source is arranged on the lower surface of a housing and gloves are arranged so as to cover the light source is known. In such a lighting fixture, a mounting portion provided on one end side of a housing is attached to a pole, a utility pole, or the like, and is used as, for example, a security light, a street light, or the like.

Glare may occur for pedestrians, etc., depending on the installation environment of the lighting equipment. In such a case, for example, the outside of the glove is covered with a cover member to take measures to reduce the occurrence of glare.

Japanese Unexamined Patent Publication No. 2017-10773

An object to be solved by the present invention is to provide a lighting fixture in which a cover member can be easily attached.

The luminaire of the embodiment includes a housing, a substrate, and a cover member. The housing has a receiving portion on one end side. A plurality of light emitting elements are mounted on the substrate. The cover member has a hooking portion that is hooked on the receiving portion and a fixing portion that is detachably fixed via the fixing member, and is arranged so as to face the housing with the substrate interposed therebetween.

According to the present invention, it is possible to provide a lighting fixture in which a cover member can be easily attached.

It is a side view which shows the appearance example of the lighting fixture which concerns on embodiment. It is an exploded perspective view which shows the lighting equipment which concerns on embodiment. It is a side sectional view which shows the lighting equipment which concerns on embodiment. It is a perspective view which shows the mounting example of a cover member.

The lighting fixture 1 according to the embodiment described below includes a housing 2, a substrate 21, and a cover member 60. The housing 2 has a receiving portion 71 on one end side. A plurality of light emitting elements 22 are mounted on the substrate 21. The cover member 60 has a hooking portion 64 that hooks on the receiving portion 71 and a fixing portion 65 that is detachably fixed via the fixing member, and is arranged so as to face the housing 2 with the substrate 21 interposed therebetween. ..

Further, the lighting fixture 1 according to the embodiment described below has a mounting portion 6 on one end side of the housing 2, and the fixing portion 65 is fixed closer to the other end of the housing 2 than the receiving portion 71. ..

Hereinafter, embodiments according to the present invention will be described with reference to the drawings. The embodiments shown below do not limit the techniques disclosed by the present invention. Further, in the embodiment, the same parts are designated by the same reference numerals, and duplicate description will be omitted.

FIG. 1 is a side view showing an external example of the lighting fixture according to the embodiment. FIG. 2 is a side sectional view showing a lighting fixture according to an embodiment. FIG. 3 is an exploded perspective view showing a lighting fixture according to an embodiment. As shown in FIGS. 1 to 3, the luminaire 1 includes a housing 2, a light source 20, an optical sensor 25, a lens member 30, a packing 40, a glove 50, and a cover member 60. The lighting fixture 1 is a lighting fixture that turns on and off the light source 20 based on the brightness of the surroundings detected by the optical sensor 25. The lighting fixture 1 is mainly used outdoors as, for example, a security light, a street light, or the like.

The housing 2 has an accommodating portion 3, an inner wall 4, 5, a mounting portion 6, a lighting hole 7, a wiring hole 8, a ventilation hole 9, an annular groove 10, an insertion portion 70, a receiving portion 71, and a mounting portion 72. The housing 2 is made of a metal such as steel or an aluminum alloy. The housing 2 is formed in a long shape in the length direction from one end side having the mounting portion 6 to the other end side having the mounting portion 72.

The accommodating portion 3 is provided so as to extend in the length direction of the housing 2, and is open so as to face the cover member 60. A substrate 21, which will be described later, is arranged between the housing 2 and the cover member 60 so as to cover the accommodating portion 3.

The inner wall 4 is a plate-shaped member extending in the width direction orthogonal to the length direction of the housing 2, and is integrally formed inside the accommodating portion 3. The inner wall 4 is arranged in an intermediate region in the length direction of the accommodating portion 3. The inner wall 5 is a plurality of plate-shaped members protruding in the length direction from the other end side in the length direction of the housing 2 toward the inner wall 4 side. The inner walls 4 and 5 project from the bottom surface 2b of the housing 2 toward the cover member 60 side, and are arranged so as to come into contact with the substrate 21. The inner walls 4 and 5 are formed in a region where the light emitting element 22 of the substrate 21, which will be described later, is mounted. Further, by locating the inner wall 5 in the length direction on the back surface of the substrate 21 on which the light emitting element 22 is mounted, it is possible to efficiently conduct the heat of the light emitting element 22 during lighting. The portion of the accommodating portion 3 on the other end side of the housing 2 with the inner wall 4 interposed therebetween may be referred to as a light source side accommodating portion 3a. In the present embodiment, the light source side accommodating portion 3a has two inner walls 5 formed at predetermined intervals, but one or more inner walls 5 may be provided.

The mounting portion 6 is formed on one end side of the housing 2 in the length direction. The mounting portion 6 has mounting portion pieces 6a and 6b arranged in the width direction of the housing 2, and is mounted on a pole, a utility pole, or the like installed on the side of a road by using a mounting member such as a wire or a clamp.

The lighting hole 7, the wiring hole 8, and the ventilation hole 9 are through holes provided so as to communicate the outside of the housing 2 with the accommodating portion 3. In the present embodiment, the lighting hole 7 is provided on one end side in the middle portion in the length direction, and the wiring hole 8 and the ventilation hole 9 are formed on one end side having the mounting portion 6, respectively.

The daylighting hole 7 takes in light from the outside of the lighting fixture 1 into the inside of the accommodating portion 3. The wiring hole 8 draws wiring for supplying electric power to the lighting device 27 into the accommodating portion 3. A bushing 11 made of, for example, resin or rubber is fitted in the peripheral portion of the wiring hole 8. The bushing 11 is provided with an insertion hole 11a for inserting a wiring (not shown). The ventilation holes 9 are closed by an internal pressure adjusting filter 9a that allows gas to flow according to the internal pressure of the lighting fixture 1.

The insertion portion 70 and the receiving portion 71 are provided on one end side of the housing 2 having the mounting portion 6. The insertion portion 70 is an opening arranged between the accommodating portion 3 and the receiving portion 71 of the housing 2, and the receiving portion 71 is bridged between the mounting portions 6a and 6b arranged in the width direction of the housing 2. It is arranged so as to define the end of the insertion portion 70.

Further, the mounting portion 72 is a through hole provided on the other end side of the housing 2. The insertion portion 70, the receiving portion 71, and the mounting portion 72 are used for mounting the cover member 60. An example of mounting the cover member 60 using the insertion portion 70, the receiving portion 71, and the mounting portion 72 of the housing 2 will be described later together with the description of the cover member 60.

The annular groove 10 is a groove for accommodating the packing 40, and secures the waterproof property in the luminaire 1.

Further, the sensor packing 12, the sensor cover 13, the light-shielding cylinder 14, and the optical sensor 25 are housed in the housing portion 3 of the housing 2.

The optical sensor 25 is an illuminance sensor that detects the light and darkness around the lighting fixture 1 and turns on and off the light source 20. The optical sensor 25 is mounted on the substrate 21 and connected to the lighting device 27. The lighting device 27 controls to turn on the light source 20 when the illuminance detected by the optical sensor 25 is equal to or less than a predetermined value, and to turn off the light source 20 when the detected illuminance exceeds the predetermined value.

The sensor packing 12 is an annular sealing member for filling a gap between the lighting hole 7 and the sensor cover 13. The sensor cover 13 is arranged in the daylighting hole 7 to take in the light incident from the daylighting hole 7 into the accommodating portion 3 and prevent foreign matter such as rainwater or dust from entering the inside of the accommodating portion 3. It is a translucent member having a bottom cylinder shape.

The light-shielding cylinder 14 is a tubular member made of a translucent member. The light-shielding cylinder 14 is inserted and arranged on the one end 13a side of the sensor cover 13 so as to cover the outer periphery of the one end 13a side of the sensor cover 13. The light-shielding cylinder 14 and the sensor cover 13 may be in contact with each other or may be slightly separated from each other. As a result, the amount of light collected from the sensor cover 13 can be directly transmitted to the optical sensor 25 on the substrate 21.

Further, the light-shielding cylinder 14 has a return portion 14b projecting inward from the end portion 14a side facing the first main surface 21a of the substrate 21. The light-shielding cylinder 14 is arranged so that the return portion 14b abuts on the side surface of the spacer 26 while covering the periphery of the optical sensor 25 so as to accommodate the optical sensor 25.

By arranging the sensor cover 13, the light-shielding cylinder 14, and the optical sensor 25 in this way, the light incident from the lighting hole 7 can be reliably guided to the optical sensor 25. Further, it is possible to more reliably block light other than the light incident from the daylighting hole 7, that is, the light wrapping around from the outer peripheral side of the light-shielding cylinder 14 and between the light-shielding cylinder 14 and the substrate 21. Therefore, the accuracy of detecting the light and darkness around the lighting fixture 1 by the optical sensor 25 is improved. The optical sensor 25 may be mounted on the substrate 21, and the substrate 21 may not have the spacer 26.

Next, the light source 20 will be described. The light source 20 includes a substrate 21, a plurality of light emitting elements 22 mounted on the second main surface 21b of the substrate 21, and a lighting device 27. The substrate 21 is a flat plate having an insulating property such as glass epoxy resin, and a locking hole 24 for locking the lens member 30 is provided on the widthwise edge of the substrate 21 facing the lens member 30. ..

Further, the first main surface 21a and the second main surface 21b of the substrate 21 are each provided with a wiring pattern formed of a conductive material such as copper foil, and a resist layer is appropriately applied. .. When the material of the substrate 21 is an insulating material, a ceramic material or a synthetic resin material may be applied. Further, the material of the substrate 21 may be made of metal, and in such a case, it is preferable to use a material having good thermal conductivity and excellent heat dissipation, such as aluminum. The surface of the substrate 21 may be painted white with high light reflectance.

The light emitting element 22 is connected to the lighting device 27 by a wiring pattern on the substrate 21, DC output is supplied from the lighting device 27, and the lighting is controlled by the lighting device 27. A plurality of light emitting elements 22 are arranged along the length direction and the width direction of the substrate 21. The light emitting element 22 includes, for example, an LED chip arranged in a main body made of ceramics, and a translucent resin for molding such as an epoxy resin or a silicone resin that seals the LED chip.

The LED chip is, for example, a blue LED chip that emits blue light. A fluorescent substance is mixed in the translucent resin, and in order to be able to emit white light, a yellow fluorescent substance that emits yellowish light having a complementary color relationship with blue light is used. There is. The LED chip may emit red light or green light, for example.

Further, the LED may be mounted on the substrate 21 directly with the LED chip, or may be mounted with a bullet-shaped LED, and the mounting method and format are not particularly limited.

The lighting device 27 is connected to a commercial AC power supply, and is configured to receive the commercial AC power supply to generate a DC output and control the lighting and extinguishing of the light emitting element 22. The lighting device 27 has a plurality of circuit components 28 mounted on the board 21. The circuit component 28 is a first main surface 21a different from the second main surface 21b on which the light emitting element 22 is mounted, and is relatively mounted on one end side in the length direction of the housing 2 having the mounting portion 6. It is a large-volume electronic component. By arranging the accommodating portion 3 of the housing 2 so as to be covered with one substrate 21 in this way, the relatively large circuit component 28 is accommodated in the accommodating portion 3 which is a space inside the housing 2. Become. As described above, by providing the light emitting element 22 on the second main surface 21b on one end side of the substrate 21 and the circuit component 28 on the first main surface 21a on the other end side, the light emitting element is provided for one substrate 21. 22 and the circuit component 28 can be efficiently mounted, and the number of components can be reduced.

Next, the lens member 30 will be described. The lens member 30 integrally has a plurality of recesses 32 and bulges 35. The recess 32 is arranged so as to face each of the light emitting elements 22 mounted on the second main surface 21b of the substrate 21. The recess 32 is provided on the first surface 31 side so as to face the corresponding light emitting element 22, and accommodates the light emitting element 22. The recess 32 has a substantially elliptical shape in a plan view, and is provided so that the length direction is along the length direction of the substrate 21.

The bulging portion 35 is provided on the second surface 34 side opposite to the first surface 31 of the lens member 30, and the plurality of bulging portions 35 cooperate to obtain the photo-orientation of the lens member 30. Prescribe. The lens member 30 controls the light distribution, for example, in the width direction of the road and the length direction of the road. In particular, in the lighting fixture 1 installed on the side of a road, on a sidewalk, or the like to irradiate a road, it is required to irradiate a relatively large amount of irradiation light in the length direction of the road. Therefore, the lens member 30 has a pair of bulging portions 35 that are longer in the width direction than the length direction of the housing 2, and the bulging portions 35 serve as an exit surface in the width direction, and light is transmitted to the length of the road. Irradiating in the vertical direction. As a result, the light emitted from the light emitting element 22 can be efficiently incident on the incident surface of the recess 32 in the length direction of the substrate 21 and can be irradiated from the bulging portion 35 which is the emitting surface.

Further, the lens member 30 has a flat portion 36 that connects a plurality of bulging portions 35. The flat portion 36 is arranged so that the first surface 31 side is in contact with the second main surface 21b, which is the light emitting element 22 mounting surface of the substrate 21. Further, it has a pair of locking portions 33 at both ends in the direction along the width direction of the substrate 21 from the flat portion 36. The locking portion 33 projects toward the substrate 21 side and is provided so as to be able to be inserted into the locking hole 24 provided in the substrate 21. Further, each of the pair of locking portions 33 has locking claws 33a extending along the length direction of the substrate 21.

The lens member 30 is locked by sliding the lens member 30 in the length direction of the substrate 21. Specifically, the locking portion 33 is inserted into the locking hole 24, and the flat portion 36 of the lens member 30 and the second main surface 21b of the substrate 21 are brought into contact with or close to each other, and then the lens member 30 is attached to the mounting portion 6 side. The lens member 30 is locked to the substrate 21 by sliding the lens member 30 in a direction close to the substrate 21. By sliding and locking the lens member 30 in this way, the distance between the light emitting element 22 and the recess 32 of the lens member 30 can be brought close to each other, so that the light emitted from the light emitting element 22 can be transferred to the lens member 30. It is possible to efficiently control the light distribution through the lens. Further, the number of parts can be reduced as compared with the case where the lens member 30 and the substrate 21 are fixed by screwing, for example. In addition, screwing may be used together in order to more reliably fix the lens member 30 and the substrate 21.

Further, the recess 32 extends in the slide direction so as to face the light emitting element 22 before and after the slide of the lens member 30. Therefore, it is possible to avoid interference between the light emitting element 22 and the recess 32 before and after locking the lens member 30 and the substrate 21.

The recess 32 is provided so that the length direction of the recess 32 is along the length direction of the substrate 21, but the present invention is not limited to this, and for example, when it is desired to irradiate a large amount of light in the width direction of the road. For example, when the pair of bulging portions 35 are formed so as to be arranged in the length direction, the length direction may be provided along the width direction of the substrate 21. Further, the lens member 30 is locked to the substrate 21 by changing the sliding direction of the lens member 30 for being locked to the substrate 21 and sliding the lens member 30 in the direction opposite to the direction shown in the drawing. The position of the locking claw 33a may be changed.

Further, the arrangement and shape of the locking portion 33 and the locking hole 24 may be changed so that the sliding direction of the lens member 30 is along the width direction of the substrate 21. Further, the substrate 21 may have a locking portion 33, and the lens member 30 may have a locking hole 24.

The packing 40 is, for example, silicone rubber, and is housed in the annular groove 10 to ensure waterproofness between the housing 2 and the glove 50.

The glove 50 has a bottom surface 51, a peripheral wall 52, an annular convex portion 53, and a partition portion 54. The glove 50 is made of a translucent material such as acrylic or polycarbonate. The glove 50 is subjected to a frost treatment and has a function of diffusing the light emitted from the lens member 30. The glove 50 may be appropriately mixed with a diffusing material to provide light diffusivity.

By forming the inner space of the bottom surface 51 of the glove 50 relatively high from the surface of the substrate 21 of the light source 20, it is possible to efficiently irradiate the irradiation side with the light whose light distribution is controlled by the lens member 30.

The glove 50 is arranged so as to press the packing 40 with the annular convex portion 53, and secures waterproofness between the housing 2 and the glove 50. Further, the portion where the adjacent bottom surface 51 and the peripheral wall 52 intersect is chamfered or rounded with a radius of curvature of a predetermined size, respectively. Therefore, the light distributed by the lens member 30 can be efficiently emitted in the width direction of the road as compared with the case where the adjacent bottom surface 51 and the peripheral wall 52 have a ridge line at the intersection.

The cover member 60 has a bottom surface 61, a peripheral wall 62, an inner surface 63, a hooking portion 64, and a fixing portion 65. The cover member 60 is made of a translucent material such as acrylic or polycarbonate. The cover member 60 is frosted so as to have a desired light diffusivity. Further, a diffuser or a colorant may be appropriately mixed in the cover member 60.

The cover member 60 further diffuses the light emitted from the glove 50 to reduce the occurrence of glare. Further, the cover member 60 emits light colored according to the colorant. The cover member 60 is an adjusting member for adjusting the emitted light according to a request that, for example, the light emitted from the glove 50 is dazzling and a countermeasure is desired, or a desired colored light is emitted. The cover member 60 can also be attached to and detached from the lighting fixture 1 attached to a predetermined installation location.

The bottom surface 61 and the peripheral wall 62 of the cover member 60 are formed so as to face the bottom surface 51 and the peripheral wall 52 of the glove 50. Further, the inner surface 63 of the cover member 60 is formed so that the glove 50 can be accommodated in the internal space. The inner surface 63 may be separated from or may be in contact with the glove 50.

The hook portion 64 is formed so as to project outward from one end in the length direction of the peripheral wall 62 of the cover member 60. The hook portion 64 has a shape that can be inserted into the insertion portion 70 of the housing 2. The fixing portion 65 is a notch having a substantially arc shape provided on the other end side in the length direction of the peripheral wall 62 of the cover member 60.

The cover member 60 is attached to the housing 2 by using the hooking portion 64 and the fixing portion 65. Here, an example of mounting the cover member 60 on the housing 2 will be described with reference to FIGS. 2 to 4. FIG. 4 is a perspective view showing an example of mounting the cover member.

First, the end portion of the hook portion 64 is inserted into the insertion portion 70 of the housing 2. Next, the hooking portion 64 inserted into the inserting portion 70 is hooked on the receiving portion 71 so as to be in contact with or close to the receiving portion 71, and the other end side of the cover member 60 is brought closer to the glove 50 as it is in the direction shown by the arrow 100 in FIG. Move it. Then, the position of the cover member 60 is finely adjusted so that the fixing portion 65 faces the mounting portion 72 of the housing 2, and the housing 2 and the cover member 60 are fixed by using a fixing member (not shown) such as a screw. As a result, the hooking portion 64 of the cover member 60 is held by the receiving portion 71 of the housing 2, the fixing portion 65 is fixed to the mounting portion 72 of the housing 2, and the cover member 60 is mounted on the housing 2.

By mounting the cover member 60 on the housing 2 using the hooking portion 64 in this way, the number of parts can be reduced, and the cover member 60 can be easily mounted. Further, since the receiving portion 71 for holding the hooking portion 64 is provided on one end side of the same housing 2 as the mounting portion 6, even if the lighting fixture 1 is still mounted on a pole, a utility pole, or the like. , The attachment / detachment work such as the attachment / replacement work of the cover member 60 becomes easy, and the workability is improved.

In the above embodiment, the light emitting element 22 is turned on and off based on the light and darkness detected by the optical sensor 25, but the present invention is not limited to this, and the light emitting element 22 is turned on and off based on the light and darkness detected by the optical sensor 25. One of the lights may be turned off. In such a case, the lighting device 27 can execute the other of lighting and extinguishing of the light emitting element 22 at a predetermined time, for example.

Further, in the above-described embodiment, the fixing portion 65 of the cover member 60 has been described as being fixed to the mounting portion 72 provided on the other end side of the housing 2, but the fixing portion 65 is the receiving portion 71 of the housing 2. The mounting portion 72 may not be formed at the position shown in the drawing, as long as it is fixed closer to the other end of the housing 2.

Further, in the above-described embodiment, the cover member 60 has been described as being mounted on the housing 2, but the present invention is not limited to this, and the cover member 60 may be mounted on the glove 50. Further, one of the cover members 60 may be attached to the housing 2 and the other may be attached to the glove 50.

Further, in the above-described embodiment, the glove 50 has been described as an indispensable configuration, but the lighting fixture 1 does not have to have the glove 50. In such a case, the cover member 60 will have the function of the glove 50.

The lighting fixture 1 according to the embodiment includes a housing 2, a substrate 21, and a cover member 60. The housing 2 has a receiving portion 71 on one end side. A plurality of light emitting elements 22 are mounted on the substrate 21. The cover member 60 has a hooking portion 64 that hooks on the receiving portion 71 and a fixing portion 65 that is detachably fixed via the fixing member, and is arranged so as to face the housing 2 with the substrate 21 interposed therebetween. .. This facilitates the mounting of the cover member 60.

Further, the lighting fixture 1 according to the embodiment has a mounting portion 6 on one end side of the housing 2, and the fixing portion 65 is fixed closer to the other end of the housing 2 than the receiving portion 71. As a result, the workability is improved even when the cover member 60 is attached / detached even when the lighting fixture 1 is installed in a high place or outdoors.

Although embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. This embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and variations thereof are included in the scope of the invention described in the claims and the equivalent scope thereof, as are included in the scope and gist of the invention.

1 Lighting equipment 2 Housing 3 Housing part 6 Mounting part 20 Light source 21 Board 22 Light emitting element 30 Lens member 32 Recess 50 Globe 60 Cover member 64 Hooking part 65 Fixed part 71 Receiving part 72 Mounting part

Claims (1)

With a housing having a receiving part and a mounting part on one end side;
A substrate on which a plurality of light emitting elements arranged in a housing portion between the housing and a glove attached to the housing are mounted;
A peripheral wall located around the substrate in a plan view, a hooking portion located on the outside of the peripheral wall close to the mounting portion and hooked on the receiving portion, and a hooking portion located farther from the mounting portion than the hooking portion. It has a fixing portion that is detachably fixed via a fixing member, is arranged so as to face the housing with the substrate interposed therebetween, and the hooking portion and the fixing member so as to accommodate the glove. With the cover member attached to the housing by
A lighting fixture characterized by being equipped with.

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