JP7097789B2 - Lighting equipment and lighting equipment - Google Patents

Description

The present invention relates to a lamp and a lighting device. In particular, it relates to prevention of deterioration of the cover covering the light source.

In a lighting device, in order to protect a light emitting element that is a light source, it may be an outer shell of the light source and covered with a translucent cover. At this time, a lighting device including a lamp having a sealed structure sealed by a tubular resin cover or the like has been proposed (see, for example, Patent Document 1). Further, in order to supply electric power and the like, it has a wiring material for connecting between a device inside a cover such as a control device and a light emitting unit having a light emitting element and various external wirings and the like.

Japanese Unexamined Patent Publication No. 2017-112059

As described above, when the device inside the cover and the external wiring are connected by the wiring material, the wiring material is arranged by crawl on the cover or the like. Generally, the covering portion of the wiring material made of soft vinyl chloride contains a plasticizer that softly deforms the wiring. In the above-mentioned Patent Document 1, the arrangement relationship between the cover and the wiring material is not clarified, but the plasticizer covers the resin cover when the covering portion of the electric wire in the wiring material keeps in contact with the cover. There is a risk of deteriorating the cover.

In the past, the wiring material was covered with a braided tube made of glass fiber to prevent the plasticizer from migrating to the cover. However, the work of covering the wiring material with the braided tube is poor in workability. In addition, during assembly and construction, the wiring material covered with the braided tube becomes difficult to wire.

Therefore, an object of the present invention is to provide a lamp and a lighting device having a structure that is easy to work and easy to wire.

The lamp according to the present invention is a lamp attached to the attached portion, and includes a light emitting portion as a light source and a cover for accommodating a device including the light emitting portion, and the cover covers a wiring area between the attached portion and the light emitting portion. A plasticizer blocking portion that suppresses the migration of the plasticizer contained in the wiring material connected to the device in the cover via the cover is provided at least in the portion facing the wiring region.

Further, the lighting device according to the present invention includes the above-mentioned lighting equipment and a power supply wire material which is connected to the wiring material and is a path for supplying electric power to the lighting material.

According to the present invention, since the plasticizer blocking portion is provided at least in the portion of the cover facing the wiring region, the plasticizer contained in the wiring or the like is suppressed from migrating to the cover, and the cover is deteriorated. It is possible to obtain a lighting tool that suppresses.

It is a perspective view of the lighting apparatus 1 which concerns on Embodiment 1 of this invention. It is a divided perspective view which divided the lighting fixture 2 and the lighting fixture 3 of the lighting apparatus 1 which concerns on Embodiment 1 of this invention. It is a figure which shows the vertical cross section of the illuminating device 1 orthogonal to the longitudinal direction of the illuminating device 1 which concerns on Embodiment 1 of this invention. It is a perspective view of the lamp 3 which concerns on Embodiment 1 of this invention. It is an exploded perspective view at one end of the lamp 3 which concerns on Embodiment 1 of this invention. It is a figure which shows the vertical cross section of the illuminating device 1 orthogonal to the longitudinal direction of the illuminating device 1 which concerns on Embodiment 2 of this invention. It is a figure which shows the vertical cross section of the illuminating device 1 orthogonal to the longitudinal direction of the illuminating device 1 which concerns on Embodiment 3 of this invention.

Hereinafter, the lamp and the lighting device according to the embodiment of the present invention will be described with reference to the drawings. The same or corresponding components in each figure may be designated by the same reference numerals and the description may be omitted.

Here, the present invention is not limited to the embodiments described below. Further, in the drawings below, the relationship between the sizes of the constituent members may differ from the actual one. Further, in the description of the embodiment, the orientation or position such as top, bottom, left, right, front, back, front, and back may be indicated. These notations are for convenience of explanation and do not limit the arrangement, direction and orientation of devices, appliances, parts, or the like.

Embodiment 1.
<Structure of lighting device 1>
FIG. 1 is a perspective view of the lighting device 1 according to the first embodiment of the present invention. Further, FIG. 2 is a split perspective view of the lighting fixture 2 and the lighting fixture 3 of the lighting device 1 according to the first embodiment of the present invention. FIG. 3 is a diagram showing a vertical cross section of the lighting device 1 orthogonal to the longitudinal direction of the lighting device 1 according to the first embodiment of the present invention. The configuration of the lighting device 1 according to the first embodiment will be described with reference to FIGS. 1 to 3.

In the following description, the direction along the longitudinal direction of the illuminating device 1 is referred to as the longitudinal direction X. Further, the direction perpendicular to the longitudinal direction X and the lateral direction X with respect to the longitudinal direction X is defined as the lateral direction Y. The direction orthogonal to both the longitudinal direction X and the lateral direction Y is defined as the vertical direction Z. Further, in the longitudinal direction X, the direction toward the longitudinal end portion side is defined as the end direction X1. Then, the direction toward the end direction X1 is opposite to that of the end direction X1, and the direction toward the longitudinal center side is defined as the middle direction X2. Further, in the vertical direction Z, the direction toward the building portion side 9 (that is, the ceiling or wall side) to which the lighting device 1 is attached is defined as the upward Z1. Then, the direction toward the side opposite to the upward Z1 and the direction toward the irradiation space side where the light is irradiated from the lighting device 1 is defined as the downward Z2. Here, the upward Z1 is the direction in which the lamp 3 is attached to the luminaire 2, and the downward Z2 is the direction in which the lamp 3 is removed from the luminaire 2.

The lighting device 1 in the first embodiment has a lighting fixture 2 attached to a building portion side 9 such as a ceiling or a wall, and a lighting fixture 3 mounted on the lighting fixture 2. Further, the lighting device 1 has a sealing structure 100 of the lamp 3 described later. In the first embodiment, a so-called trough type lighting fixture 2 is shown as an example.

<Lighting fixture 2>
The lighting fixture 2 is a mounted portion to which the lighting fixture 3 is mounted. The lighting fixture 2 has a fixture body 20. In the first embodiment, the instrument main body 20 is formed by bending a metal plate material. The instrument main body 20 has an instrument bottom portion 21, an instrument side surface portion 22 that is a set of two, and an instrument end portion 23 that is a set of two. The instrument bottom surface portion 21 is formed in a long and flat plate shape, and the instrument side surface portions 22 that form a set of two are arranged at both ends of the instrument bottom surface portion 21 in the lateral direction Y. Further, the instrument end portions 23, which form a set of two, are arranged at both ends of the instrument bottom surface portion 21 in the longitudinal direction X. A knockout 24 is formed at the end portion 23 of the appliance, and is removed when various electric wires such as a power line 81 in the wiring material 85 described later are inserted. The configuration of the lighting fixture 2 and the like will be further described.

The mounting portion 25 is a housing portion that accommodates a part of the mounted lamp 3. The mounting portion 25 is formed in a concave shape by the instrument bottom surface portion 21, a set of instrument side surface portions 22, and a set of instrument end portions 23 of the instrument body 20. Therefore, the mounting portion 25 forms a space surrounded by the instrument bottom surface portion 21, the instrument side surface portion 22, and the instrument end portion 23 of the instrument body 20. Here, a part of the lamp 3 accommodated by the mounting portion 25 is a non-irradiating portion that is not the irradiation side. Further, as shown in FIGS. 2 and 3, in the space of the mounting portion 25, in the portion where the lamp 3 is accommodated and not occupied by the lamp 3, the wiring material 85 or the like described later is connected to the lamp 3. It becomes a wiring area 29 to be arranged via the wiring area 29 when the wiring is performed.

The opening end portion 26 located at the lower end of the instrument body 20 is a portion that is open in the instrument body 20. The opening end portion 26 serves as a mounting port for attaching / detaching the lamp 3 to / from the mounting portion 25 of the lighting fixture 2. In the open end portion 26 of the instrument main body 20, connecting portions 27 are formed at both ends in the longitudinal direction X. A lamp 3 is attached to the connecting portion 27. In the first embodiment, the connecting portion 27 is integrally formed with the instrument end portion 23, and is formed by bending from the opening end portion 26 toward the inward X2 in the longitudinal direction X. The screw hole 28 formed in the connecting portion 27 is a hole attached to the lamp 3 to which the connecting screw 48 described later is screwed. The lamp 3 is screwed to and fixed to the luminaire 2 by the connecting screw 48.

<Lighting fixture 3>
FIG. 4 is a perspective view of the lamp 3 according to the first embodiment of the present invention. Here, the lamp 3 will be described with reference to FIGS. 1 to 4. The lighting fixture 3 constitutes the lighting device 1 by being attached to the lighting fixture 2. The lighting fixture and the lighting fixture 3 serving as a light source unit are formed in a long shape and are attached to the lighting fixture 2 for use. In the first embodiment, the lamp 3 is attached to the connecting portion 27 of the lighting fixture 2 by the connecting screw 48 described later at both ends of the lighting fixture 2 in the longitudinal direction X. As shown in FIGS. 2 and 3, the lamp 3 of the first embodiment mainly has a translucent cover 30, an end cover 40, a light emitting unit 60, and the like.

<Translucent cover 30>
The translucent cover 30 as an outer shell is a cover using a translucent material that transmits at least visible light. The translucent cover 30 has a tubular shape that accommodates and protects the mounting member 50, the light emitting unit 60, the control unit 80, and the like, which will be described later, in the internal space. The translucent cover 30 can be formed by using a resin material such as glass, polycarbonate, or acrylic. Further, in the translucent cover 30, the portion exposed to the outside from the mounting portion 25 also serves as an exterior design portion. The translucent cover 30 of the first embodiment can be manufactured by, for example, forming a tubular member by extrusion molding and cutting it to a required length according to the specifications of the product or the like.

In the lamp 3 of the first embodiment, as shown in FIG. 3, the portion of the translucent cover 30 exposed to the outside from the mounting portion 25 is the irradiation side of the light emitting portion 60 and the pedestal 51 on the mounting member 50. It becomes the outer shell part that becomes the outer wall part that covers the surface of the light. Here, with respect to the outer peripheral portion 37 of this portion, the direction of the normal line with respect to the outer surface portion is within the range from the direction along the optical axis of the light emitting element 61 to the direction orthogonal to the optical axis. For example, when the lamp 3 is mounted on the luminaire 2 so that the light is emitted downward from the luminaire 1, the portion exposed to the outside from the mounting portion 25 of the translucent cover 30 is The outer surface faces downward, diagonally downward, or laterally (horizontally outward). That is, the outer surface portion of the portion exposed to the outside from the mounting portion 25 of the translucent cover 30 does not face upward or diagonally upward. Further, the portion of the translucent cover 30 that is housed in the mounting portion 25 and is not exposed to the outside covers the side of the control unit 80 and the pedestal 51 where the control unit 80 of the mounting surface portion 52 is arranged. The surface of the translucent cover 30 housed in the mounting portion 25 and not exposed to the outside faces the instrument bottom surface portion 21 of the instrument body 20 and the set of instrument side surface portions 22. Here, the translucent cover 30 may have light diffusivity, wavelength discrimination, and the like, depending on the specifications of the product and the like. Further, the portion of the translucent cover 30 that is not exposed to the outside may be formed by using a material having a reflective property, a light shielding property, or the like.

As shown in FIGS. 1 to 4, the tubular translucent cover 30 of the first embodiment covers a device housed inside, and a set of parallel portions 31 depending on the position with respect to the device housed inside. , It is divided into a first connection portion 32 and a second connection portion 33. Further, the translucent cover 30 is provided with two ribs 34. A set of parallel portions 31 forms a surface in which a set of surfaces are parallel to each other at the same distance in the translucent cover 30. In the translucent cover 30, both the outer surface portion that is the outer surface portion and the inner surface portion that is the inner surface portion of the set of parallel portions 31 have a planar shape. A set of outer surface portions and a set of inner surface portions are planes along the optical axis of the light emitting element 61 housed in the translucent cover 30. In the first embodiment, this plane is along the vertical direction Z with the lamp 3 attached to the luminaire 2. Further, this plane is also a plane along the side surface portions 22 of the fixtures, in which a set of outer surface portions and a set of inner surface portions face each other with the lamp 3 attached to the lighting fixture 2. Then, this plane also becomes a plane along the direction in which the lamp 3 is attached to the luminaire 2 or the direction in which the lamp 3 is removed from the luminaire 2. Therefore, the parallel portion 31 of the translucent cover 30 is located inside the instrument side surface portion 22 rather than outside the instrument side surface portion 22 in the lateral direction Y. Of the parallel portions 31, the portion exposed when the lamp 3 is attached to the lamp 2 becomes the irradiation portion on the side of the lamp 3.

The first connection portion 32 is a portion of a set of parallel portions 31 that connects the ends on the irradiation side to each other, intersects with the optical axis of the light emitting element 61, and becomes the main irradiation portion of the lamp 3. The first connection portion 32 irradiates the light from the light emitting element 61 downward. The outer surface portion and the inner surface portion of the first connection portion 32 are composed of one or a plurality of surfaces. As shown in FIG. 3, in the first embodiment, a case where the outer surface portion and the inner surface portion of the first connection portion 32 of the translucent cover 30 are formed of one curved surface will be described. Here, when the outer surface portion and the inner surface portion of the first connecting portion 32 are composed of a plurality of surfaces, a plurality of curved surfaces having a plurality of different curvatures, a plurality of planes having a plurality of different angles, and these curved surfaces and planes. Can be combined and configured. The second connection portion 33 is a portion of a set of parallel portions 31 that connects the ends of the fixture side to each other, and is a portion accommodated in the mounting portion 25 when the lamp 3 is mounted on the lighting fixture 2. be. In the first embodiment, a case where the outer surface portion and the inner surface portion of the second connecting portion 33 in the translucent cover 30 are formed of one curved surface will be described. Here, when the outer surface portion and the inner surface portion of the second connecting portion 33 are composed of a plurality of surfaces, a plurality of curved surfaces having a plurality of different curvatures, a plurality of planes having a plurality of different angles, and these curved surfaces and planes. Can be combined and configured.

The rib 34 is provided so as to project in the normal direction of the outer surface portion of the translucent cover 30. In the first embodiment, the rib 34 is provided so as to project outward in each parallel portion 31. Then, each rib 34 is integrally formed with the parallel portion 31. Each rib 34 extends in the longitudinal direction X of the translucent cover 30. The rib 34 is formed at a position facing the vicinity of the opening end portion 26 on the side surface portion 22 of the fixture with the lamp 3 attached to the lighting fixture 2.

Further, in the first embodiment, as shown in FIG. 3, the translucent cover 30 can be divided into a first portion 300 and a second portion 301 in relation to the wiring material 85. The first portion 300 of the translucent cover 30 is a portion of the translucent cover 30 where the coating of the wiring material 85 may come into contact. The first portion 300 is located at least above the light emitting element 61 of the translucent cover 30 because the wiring material 85 is preferably arranged in a region that does not interfere with the light emitted from the lamp 3. It becomes a part. The wiring region 29 of the wiring material 85 in the first embodiment is inside the mounting portion 25. Therefore, the first portion 300 is substantially a portion of the translucent cover 30 located above the rib 34. Here, of the outer peripheral portion 37 of the translucent cover 30, the portion of the outer peripheral portion of the first portion 300 where the plasticizer blocking portion 39 described later is provided is referred to as the first outer peripheral portion 370.

The second portion 301 of the translucent cover 30 is a portion where the coating of the wiring material 85 connected to the lamp 3 does not have a possibility of contact. Therefore, it is at least a portion below the light emitting element 61. Therefore, in the first embodiment, the portion below the rib 34 where the wiring material 85 is substantially not arranged becomes the second portion 301 of the translucent cover 30. Here, of the outer peripheral portion 37 of the translucent cover 30, the outer peripheral portion of the second portion 301 is referred to as the second outer peripheral portion 371.

The wiring material 85 has various wirings such as a power supply line 81, a grounding line 82, and a control line 83, which are connected to the lamp 3 from the outside. Further, the terminal, the wiring holder, the socket, and the like for connecting these wirings are also used as the wiring material 85. In FIG. 3, the power supply line 81, the ground line 82, and the control line 83 connected to the lamp 3 are shown as the wiring material 85. The wiring material 85 may be arranged in the wiring region 29 in the mounting portion 25 in a state where each wiring covered with the insulating material is bundled with a coating or bundled with a binding band. Further, each wiring may be arranged in the wiring region 29 in the mounting portion 25 in a state of being separated from each other. Here, the wiring material 85 will be described as being in contact with the translucent cover 30. However, not only the wiring material 85, but also, for example, the electric wire material such as the feed wiring outside the lamp 3 and the light control beam provided at the construction site is arranged in the wiring area 29 so that the covering is covered with the first portion 300. May come into contact with.

In the first embodiment, the plasticizer blocking portion 39 is provided on the first outer peripheral portion 370. Regarding the first portion 300 and the second portion 301 of the translucent cover 30, the first portion 300 is provided with the plasticizer blocking portion 39 on the first outer peripheral portion 370, so that the plasticizer blocking portion 39 is not provided. Compared with the second outer peripheral portion 371 of the second portion 301, the transferability of the plasticizer is low. Here, the plasticizer blocking portion 39 is provided on the first outer peripheral portion 370, but the present invention is not limited to this. At least, it may be provided in the portion of the path where the wiring material 85 comes into contact with the plasticizer blocking portion 39.

<Plasticizer blocking unit 39>
As described above, the plasticizer blocking portion 39 is provided on the first outer peripheral portion 370 of the translucent cover 30. The plasticizer blocking unit 39 suppresses or prevents the plasticizer contained in the wiring material 85 from migrating to the translucent cover 30. The shape of the plasticizer blocking portion 39 is a plate shape (plate shape), a sheet shape (film shape), etc., deformed along the first portion 300 of the translucent cover 30, and attached to the first outer peripheral portion 370. It is preferable to be able to match.

The plasticizer contained in the coating of the wiring material 85 is extremely difficult to migrate unless the coating of the wiring material 85 comes into direct contact with the translucent cover 30. Therefore, the shape of the plasticizer blocking portion 39 may be mesh-like, cloth-like, or the like.

Further, it is preferable that the material of the plasticizer blocking portion 39 has a property of preventing the plasticizer contained in the wiring material 85 from being transferred to the translucent cover 30. Further, the material of the plasticizer blocking portion 39 is preferably a material having a property that the plasticizer blocking portion 39 itself does not deteriorate or be damaged. Therefore, for the plasticizer blocking portion 39, for example, an inorganic material is suitable. Specifically, as the material of the plasticizer blocking portion 39, a metal material such as aluminum, iron, stainless steel or copper can be adopted. Further, a material such as a glass material or a ceramic material can be adopted as the material of the plasticizer blocking portion 39.

Then, the entire plasticizer blocking portion 39 may be formed by using a material containing any of the above-mentioned materials. Further, the entire plasticizer blocking portion 39 may have a layer structure in which a material containing any of the above-mentioned materials is partially used. The plasticizer blocking portion 39 is provided on the first outer peripheral portion 370, which is a portion where the wiring material 85 containing the plasticizer is arranged and the coating of the wiring material 85 may come into contact with at least in the translucent cover 30. The plasticizer blocking portion 39 is laid on the first outer peripheral portion 370 of the translucent cover 30 by a method such as coating, spraying, vapor deposition, or printing.

FIG. 5 is an exploded perspective view of one end 3A of the lamp 3 according to the first embodiment of the present invention. The translucent cover 30 covers the light emitting surface of the light emitting element 61 arranged on the mounting member 50, and an opening is formed at the end portion 36 in the first direction which is the longitudinal direction X along the longitudinal direction of the mounting member 50. ing. In other words, the translucent cover 30 is a hollow body having a long shape in which at least one end portion 36 is open, and also houses a substrate 62 on which a light emitting element 61 is mounted. The cover end portions 35 are both end portions of the translucent cover 30 in the longitudinal direction X of the translucent cover 30. An end portion 36 is provided at the cover end portion 35 of the translucent cover 30. The end portion 36 is a portion of the cover end portion 35 to which the end cover 40 is fitted, and is a portion covered by the end cover 40 which is an end lid. The end portion 36 is a free end that can move along the first direction, which is the longitudinal direction X, together with the end portion cover 40 as the translucent cover 30 expands and contracts. Strictly speaking, the end 36 and the end cover 40 of the translucent cover 30 expand and contract in directions other than the "longitudinal direction X", but in the lamp 3 according to the embodiment, the translucent. The cover 30 shall have a structure (configuration) that allows expansion and contraction in the "longitudinal direction X". The translucent cover 30 is not formed with ribs 34 on the outer surface portion of the end portion 36 so that the translucent cover 30 can be fitted with the end cover 40. As described above, in the case of manufacturing the translucent cover 30 by cutting the tubular member extruded by extrusion molding, the portion of the rib 34 extending in the longitudinal direction X corresponds to the end portion 36. Will be deleted. As shown in FIGS. 3 and 5, the outer peripheral portion 37 of the translucent cover 30 is the outer surface side of the outer shell portion that becomes the set of parallel portions 31, the first connecting portion 32, and the second connecting portion 33. Further, the inner peripheral portion 38 is an inner surface side of an outer shell portion serving as a set of parallel portions 31, a first connecting portion 32 and a second connecting portion 33.

<Overview of end cover 40>
The end cover 40 is attached to both ends of the translucent cover 30 in the longitudinal direction X. The end cover 40 has a translucent cover 30 as a hermetically sealed structure by being fitted (fitted) with the sealing tool 43 sandwiched between them. Here, the mounting member 50 and the translucent cover 30 attached to the end cover 40 are particularly subject to changes in the operating environment temperature of the lighting device 1 and the temperature when the lamp 3 is turned on and off, particularly in the longitudinal direction X. The amount of expansion and contraction is different. The end cover 40 has a structure in which the ends of the translucent cover 30 and the mounting member 50 in the longitudinal direction X can move to each other while maintaining the hermeticity of the translucent cover 30. ..

The end cover 40 has a first end cover 41 as an outer cover and a second end cover 42 as an inner cover. The first end cover 41 includes a first cover through hole 411, a first cover connecting hole 412, a connecting guide 413, a cover lower surface portion 414, a cover lower surface through hole 415, a cover wire holding portion 416, a cover end surface portion 417, and a cover end surface. It has a through hole 418 and an end cover outer peripheral portion 419. Here, the cover lower surface through hole 415 is covered with the cover lid 49 as shown in FIG. Further, the second end cover 42 has a second cover main portion 420, an end cover insertion portion 421, a second cover engaging piece 422, a second cover engaging claw 423, and an end cover inner peripheral portion 425. Further, an insertion wall 421a is formed along the edge portion forming the end cover insertion portion 421. Here, the first end cover 41 and the second end cover 42 of the first embodiment will be described as being formed by using a resin material. However, the present invention is not limited to this. It may be formed by using a metal material other than the resin material, a ceramic material, or the like. Further, in the first embodiment, the first end cover 41 and the second end cover 42 are made into separate members, and are fitted (fitted) to be integrated, but one that is integrated in advance. It may be molded as a member.

<Seal 43>
The sealant 43 is elastically arranged at both ends of the translucent cover 30 in the longitudinal direction X while being sandwiched between both ends of the translucent cover 30 in the longitudinal direction X and the end cover 40. It is a member. The sealant 43, which is an elastic member, is attached to the end portion 36 of the translucent cover 30 to close the opening of the end portion 36. The sealant 43 is manufactured by using a resin material, and is a sealing member (gasket, packing, etc.) that is elastically deformed. Therefore, the sealant 43 seals both ends of the translucent cover 30 in the longitudinal direction X while being sandwiched between both ends of the translucent cover 30 in the longitudinal direction X and the end cover 40. .. The sealant 43 is formed so as to be elastically deformed using a resin material, and is in close contact with the translucent cover 30 and the end cover 40.

The sealing tool 43 has a sealing tool main portion 430, an inner peripheral portion 435, an outer peripheral portion 437, and a connecting portion 436. The sealing tool 43 is integrally formed with a sealing tool main portion 430, an inner peripheral portion 435, an outer peripheral portion 437, and a connecting portion 436. The sealant main portion 430 is formed so as to close the inside of the inner peripheral portion 435. The sealant main portion 430 is sandwiched between the fixing portion 56 of the fixture 54, which will be described later, and the second cover main portion 420 of the second end cover 42. The sealant main portion 430 is formed in a plate shape, and when the sealant 43 and the end cover 40 are engaged with each other, the wire insertion portion 431 and the wire insertion portion 431 are sealed on the surface side facing the end cover 40. A stopper cylindrical portion 433 is formed. The sealant main portion 430 comes into contact with the second cover main portion 420 of the second end cover 42 in a state where the sealant 43 and the end cover 40 are engaged with each other. The wire insertion portion 431 projects from the surface side facing the end cover 40 in a state where the sealant 43 and the end cover 40 are engaged, and passes through the power supply line 81, the ground wire 82, and the control line 83. The electric wire insertion hole 432 to be made is formed. Two sealant tubular portions 433 are provided with the electric wire insertion portion 431 interposed therebetween, but if the number of sealant tubular portions 433 formed is equal to or greater than the number of fixing portions 56 of the fixture 54, It may be one or three or more. The sealing tool cylindrical portion 433 projects from the surface side facing the end cover 40 in a state where the sealing tool 43 and the end cover 40 are engaged with each other. A boss portion 57 protruding from the fixing portion 56 of the fixing tool 54 is inserted into the sealing tool cylindrical portion 433 in a state where the sealing tool 43 and the fixing tool 54 are engaged with each other. The sealing tool tubular portion 433 is formed in a cylindrical shape. A screw insertion hole 434 for screwing the fixing screw 75 is formed at the tip of the sealing tool cylindrical portion 433.

An inner peripheral portion 435 is formed on the peripheral edge portion of the plate-shaped sealing tool main portion 430. The inner peripheral portion 435 is provided with the end cover inner peripheral portion 425 of the second end cover 42 in a state where the sealant 43, which is an elastic member, is engaged with the second end cover 42 and the translucent cover 30. It is a portion sandwiched between the inner peripheral portion 38 of the end portion 36 of the translucent cover 30.

The outer peripheral portion 437 of the sealant 43 is formed in an annular shape and is arranged outside the inner peripheral portion 38 so as to face the inner peripheral portion 38. The outer peripheral portion 437 is the outer peripheral portion of the outer wall portion 410a of the first end cover 41 and the translucent cover 30 in a state where the sealant 43 is engaged with the first end cover 41 and the translucent cover 30. It is a part sandwiched between 37 and 37.

The connecting portion 436 of the sealing tool 43 is located between the inner peripheral portion 38 and the outer peripheral portion 437 of the sealing tool main portion 430. The connection portion 436 is a state in which the sealant 43 is engaged with the first end cover 41 and the translucent cover 30, and the first cover main portion 410 and the translucent cover 30 of the first end cover 41 are provided. It is a portion sandwiched between the cover end portion 35 and the cover end portion 35.

The connecting member 44 is a connecting tool, and is provided at both ends of the lamp 3 in the longitudinal direction X, and is a mounting bracket for attaching the lamp 3 to the lighting fixture 2. The connecting member 44 is a fixing tool using two fixing screws 75 in a state where the surface on the center side (X2 side) in the longitudinal direction X (first direction) of the fixing portion 46 and the end surface of the boss portion 57 are in contact with each other. It is attached to and fixed to 54. The connecting member 44 is not directly fixed to the end cover 40 using screws or the like. The connecting member 44 is positioned and indirectly fixed via a sealing tool 43 that is in close contact with the boss portion 57 of the fixing tool 54. That is, the connecting member 44 is arranged outside the end cover 40 in the first direction, which is the longitudinal direction X of the lamp 3, and is partially fixed to the mounting member 50 penetrating the end cover 40. At the same time, the other part is fixed to the luminaire 2. In the first embodiment, the connecting member 44 is formed by bending a metal plate material. However, the connecting member 44 is not limited to that formed by bending a metal plate, and may be formed by using other materials such as resin and ceramic, and may be extruded. It may be formed by another method such as laminated molding. The connecting member 44 has a connecting portion 45, a fixing portion 46, and an engaging portion 47.

The connecting portion 45 is a plate-shaped member extending from the lower end (Z2 side) to the end side (X1 side) of the lamp 3 in the fixing portion 46. That is, the connecting portion 45 is a plate-shaped member protruding from the lower edge portion of the fixing portion 46. The connecting portion 45 projects to the side opposite to the end cover 40 side in a state of being engaged with the end cover 40. In other words, the connecting portion 45 projects in the direction opposite to the protruding direction of the engaging portion 47. In the state where the lamp 3 is attached to the lighting fixture 2, the upper surface of the connecting portion 45 other than the step portion 450 abuts on the connecting portion 27 of the lighting fixture 2.

The connecting portion 45 is formed with a stepped portion 450 having a different surface height, and the stepped portion 450 is formed with a connecting screw insertion portion 451 into which the connecting screw 48 is inserted. The step portion 450 is a portion of the connecting portion 45 that is partially recessed downward (Z2 side) in the central region in the lateral direction Y. A retaining washer 480 for fixing the connecting screw 48 that has passed through the connecting screw insertion portion 451 is arranged on the step portion 450 of the connecting portion 45. The retaining washer 480 is preliminarily fitted to the connecting screw 48 so as not to come off from the connecting screw 48. The height (depth, step) dimension of the step portion 450 is the same as the thickness dimension of the retaining washer 480. When the lamp 3 is attached to the luminaire 2, the upper surface (Z1 side) of the retaining washer 480 abuts on the connecting portion 27 of the luminaire 2, and the lower surface (Z2 side) of the retaining washer 480. Abuts on the stepped portion 450 of the connecting member 44. The shape and area of the step portion 450 are determined in consideration of the shape and dimensions of the retaining washer 480. The connecting screw insertion portion 451 is formed in a slit shape from the end side (X1 side) in the longitudinal direction X (first direction) at substantially the center of the step portion 450 in the lateral direction Y. The connecting screw insertion portion 451 is formed with a width dimension larger than that of the shaft portion 481 of the connecting screw 48, and the shaft portion 481 of the connecting screw 48 is inserted through the connecting screw insertion portion 451. The shape of the connecting screw insertion portion 451 is not limited to a slit shape, and may be a circular or polygonal through hole having an elliptical cross section.

The fixing portion 46 is a portion of the connecting portion 45 that stands upward from the end portion on the central side (X2 side) in the longitudinal direction X (first direction). The fixing portion 46 is a plate-shaped member. The fixing portion 46 sandwiches the end cover 40 and the sealing tool 43 together with the fixing tool 54 of the mounting member 50. The fixing portion 46 is formed with a fixing screw insertion hole 460 for screwing the fixing screw 75. The fixing screw insertion hole 460 is a through hole through which the fixing screw 75 screwed into the screw hole 58 of the boss portion 57 is inserted. The fixing portion 46 is attached to the boss portion 57 by the fixing screw 75 inserted into the fixing screw insertion hole 460.

The connecting member 44 is formed with a slit-shaped electric wire insertion hole 470 through which electric wires such as a power supply line 81, a grounding wire 82, and a control line 83 pass. The wire insertion hole 470 has an upper slit 4710 and an end slit 4711. The wire insertion hole 470 formed in the fixed portion 46 is referred to as an end slit 4711. The end slit 4711 is formed in the vertical direction (Z-axis direction) of the connecting member 44. The end slit 4711 is connected to an upper slit 4710, which will be described later, formed in the engaging portion 47.

The fixing portion 46 may be formed with an engaging piece insertion hole 461. The engaging piece insertion hole 461 is a through hole provided in the fixing portion 46 corresponding to the cross-sectional shape of the second cover engaging piece 422 and the second cover engaging claw 423 of the second end cover 42. The engaging piece insertion hole 461 is a second cover engaging piece 422 and a second cover engaging claw 423 of the second end cover 42 that move in the longitudinal direction X (first direction) as the translucent cover 30 extends. Is formed so as not to interfere with the fixing portion 46 of the connecting member 44. The engaging piece insertion hole 461 has a small amount of extension of the translucent cover 30, that is, a small amount of movement of the second cover engaging piece 422 and the second cover engaging claw 423, or the end cover 40 has a small amount. It is not necessary when it is integrally formed, and it is not an essential configuration of the lamp 3.

The engaging portion 47 is a portion of the fixing portion 46 extending from the end portion on the upper side (Z1 side) to the center side (X2 side) in the longitudinal direction X (first direction). That is, the engaging portion 47 is a plate-shaped member protruding from the upper edge portion of the fixing portion 46. The engaging portion 47 projects toward the end cover 40 in a state of being engaged with the end cover 40, and is arranged on the upper side (Z1 side) of the lamp 3 in the lamp 3.

As described above, the connecting member 44 is formed with a slit-shaped electric wire insertion hole 470 through which electric wires such as a power supply line 81, a grounding wire 82, and a control line 83 pass. The electric wire insertion hole 470 formed in the engaging portion 47 is referred to as an upper slit 4710. The upper slit 4710 is formed along the longitudinal direction X of the lamp 3. The upper slit 4710 is connected to the end slit 4711 formed in the fixing portion 46. The upper slit 4710 is attached to the engaging portion 47 of the connecting member 44 so that the end portion 36 and the end cover 40 of the translucent cover 30 are free ends in which movement in the longitudinal direction X (first direction) is not restricted. It is a formed slit. The cover wire holding portion 416 inserted from the insertion hole 472, which will be described later, engages with the upper slit 4710 in a state where movement is restricted in the lateral direction Y and the vertical direction Z. The cover wire holding portion 416 arranged in the insertion hole 472 is not restricted from moving in the longitudinal direction X (first direction). When the cover wire holding portion 416 is engaged with the upper slit 4710, the position of the connecting member 44 with respect to the end cover 40 is determined. It becomes easier to align the screw 75. When all or part of the power supply line 81, the ground wire 82, and the control line 83 are bundled with a braided tube or the like, the power line 81, the ground wire 82, and the control line 83 are generally hard and difficult to bend. However, since the connecting member 44 has an end slit 4711 formed so as to be connected to the upper slit 4710, wiring becomes easy even if the power supply line 81 or the like is bundled and becomes difficult to bend.

The engaging portion 47 is formed with an insertion hole 472 into which the cover wire holding portion 416, which will be described later, is inserted. The insertion hole 472 is formed continuously with the upper slit 4710. The insertion hole 472 is a through hole formed in the fixing portion 46, and is formed so as to be connected to the central side (X2 side) in the longitudinal direction X (first direction) of the upper slit 4710. The insertion hole 472 is formed in a shape and size into which the cover electric wire holding portion 416 can be inserted. The cover wire holding portion 416 inserted from the insertion hole 472 moves along the longitudinal direction X in a state of being engaged with the upper slit 4710 according to the extension of the translucent cover 30. Therefore, the cover wire holding portion 416 does not hinder the expansion and contraction of the translucent cover 30, and the movement of the end cover 40 and the sealant 43 due to the expansion and contraction of the translucent cover 30.

<Mounting member 50>
As shown in FIGS. 3 and 5, the mounting member 50 is a member that fixes the light emitting unit 60, the control unit 80, and the like to the space inside the translucent cover 30. Further, the mounting member 50 is a member for fixing the mounting member 50 to the end cover 40 and the connecting member 44 mounted at both ends of the translucent cover 30. The mounting member 50 has a pedestal 51 and a fixative 54. The mounting member 50 is housed in the translucent cover 30. Then, as shown in FIG. 5, the mounting member 50 is fixed to the end cover 40 and the connecting member 44 by the fixing screw 75. Therefore, the mounting member 50 is not directly fixed to the translucent cover 30, but is fitted (fitted) to the cover end portions 35 on both sides of the translucent cover 30 in the longitudinal direction X. It is connected to the translucent cover 30 via 40.

The pedestal 51 is a main portion of the mounting member 50, and a light emitting unit 60, a control unit 80, and the like are mounted. In the first embodiment, the pedestal 51 is formed by bending a metal plate material. However, the pedestal 51 is not limited to the one formed by bending a metal plate material, and may be formed by using a material other than metal such as resin and ceramic, and may be extruded. It may be formed by another method such as laminated molding. Although not shown, the pedestal 51 is surface-treated or a functional member is laid on the pedestal 51 in order to improve heat dissipation efficiency (heat emissivity) or light utilization efficiency (reflectivity). You may. The pedestal 51 has a mounting surface portion 52 and a side portion 53. The mounting surface portion 52 of the pedestal 51 is formed in the shape of a long flat plate, and the light emitting portion 60 is mounted on the surface which is the surface on the irradiation side. Further, a control unit 80 such as a power supply device is attached to the back surface, which is the surface on the instrument side.

As shown in FIG. 5, a screw hole 520 is formed in the mounting surface portion 52 of the pedestal 51. The screw holes 520 are formed at both ends of the mounting surface portion 52 in the longitudinal direction X. A fixing screw 75 for fixing the mounting member 50 to the end cover 40 and the connecting member 44 is inserted into the screw hole 520. The mounting surface portion 52 is formed with a notch portion 521 through which the feeder line 84 and the like pass. The cutouts 521 are formed at the edges of the mounting surface 52 at both ends of the mounting surface 52 in the longitudinal direction X. Here, the mounting surface portion 52 at the other end of the lamp 3 is formed with a mounting hole 522, which is a through hole, instead of being formed with a notch portion 521.

The side portion 53 of the pedestal 51 is an upright portion bent from both end portions of the mounting surface portion 52 in the lateral direction Y toward the irradiation side. The side portion 53 stands upright from the edge portion of the mounting surface portion 52 along the longitudinal direction X of the mounting surface portion 52, thereby improving the rigidity of the pedestal 51. In the first embodiment, the side portion 53 is erected only on the instrument side where the control unit 80 and the like are arranged. However, the side portion 53 may be erected only on the irradiation side where the light emitting portion 60 is arranged, or may be erected on both the irradiation side and the instrument side. Further, in the first embodiment, the side portions 53 are erected at both end portions of the mounting surface portion 52 in the lateral direction Y, but for example, the central portion of the mounting surface portion 52 in the lateral direction Y, etc., other than both end portions. It may be erected at the position of.

The fixture 54 is arranged at both ends of the pedestal 51 in the longitudinal direction X, and is a member for fixing the attachment member 50 to the end cover 40 and the connecting member 44 attached to both ends of the translucent cover 30. .. The fixture 54 penetrates the end cover 40 and the connecting member 44 is fixed. Here, in the first embodiment, the fixture 54 is composed of a pedestal 51 and a separate member, but the configuration of the fixture 54 is not limited to the configuration. For example, the pedestal 51 and the fixture 54 may be integrally formed by bending both end portions of the pedestal 51 so that the pedestal 51 has a portion having the same function as the fixture 54. The fixture 54 may be attached to the pedestal 51 using a fixing member such as a mounting screw (not shown).

The fixture 54 has a mounting portion 55 and a fixing portion 56, and is manufactured by bending a sheet metal. Although the fixture 54 is a metal fitting, it is not limited to the metal fitting, and may be formed by using other materials such as resin and ceramic, and may be formed by other materials such as extrusion molding and laminated molding. It may be formed by a method.

The fixing portion 55 of the fixing tool 54 is a portion for attaching the fixing tool 54 to the pedestal 51, and is fixed to both end portions of the pedestal 51 by using the fixing screws 75. The mounting portion 55 may be structurally integrated with the pedestal 51 by, for example, caulking, welding (welding), or fitting (engagement).

The fixing portion 56 of the fixing tool 54 sandwiches the end cover 40 and the sealing tool 43 together with the fixing portion 46 of the connecting member 44. That is, in a state where the translucent cover 30, the sealing tool 43, the end cover 40, and the connecting member 44 are combined, the fixing portion 56 and the fixing portion 46 of the connecting member 44 are sealed. The stopper 43 is arranged. The fixed portion 56 is provided with a boss portion 57.

The boss portion 57 is attached to the fixing portion 56 by, for example, caulking, welding (welding), or fitting (engagement). The boss portion 57 is formed with a screw hole 58 into which the fixing screw 75 is screwed. A screw groove is formed on the inner peripheral side of the screw hole 58. Then, from the outside of the connecting member 44, the fixing screw insertion hole 460 of the connecting member 44, the end cover insertion portion 421 of the second end cover 42, the first cover through hole 411 of the first end cover 41, and the sealing tool. The fixing screw 75 is inserted into the screw insertion hole 434 of 43. Then, the fixing screw 75 is screwed into the screw hole 58 of the boss portion 57, and the connecting member 44 is fixed to the fixing tool 54 of the mounting member 50. That is, the connecting member 44 is fixed to the boss portion 57 of the fixing tool 54.

(Light emitting unit 60)
As shown in FIG. 3, the light emitting unit 60 includes a light emitting element 61, a substrate 62, and the like. The light emitting element 61 emits light by supplying electric power. In the first embodiment, a light emitting diode (Light Emitting Diode; hereinafter referred to as an LED) element is used as the light emitting element 61, and the mounting surface of the substrate 62 is formed in a row shape, a staggered shape, or the like along the longitudinal direction X. Is implemented in. The light emitting element 61 of the first embodiment is packaged by arranging a phosphor that converts blue light into yellow light on an LED chip that emits blue light having a wavelength of 440 to 480 [nm]. It is a pseudo-white LED element that is a surface mount component. Here, the light emitted by the light emitting element 61 has the maximum luminous flux value, and spreads symmetrically by the irradiation angle α with respect to the optical axis perpendicular to the light emitting surface. In the first embodiment, the irradiation angle α of the light emitting element 61 is assumed to be 120 degrees. As the light emitting element 61, a solid-state laser (Solid State Laser), a semiconductor laser (Semiconductor Laser), an organic EL (Electro Luminescence), an inorganic EL, or the like may be used. As the substrate 62, a glass-epoxy substrate (FR-4), a glass-composite substrate (CEM-3), a paper epoxy substrate (FR-3), a paper phenol substrate (XPC), a metal base substrate and the like are used.

The control unit 80 is a power supply device, converts electric power supplied from the outside into electric power for lighting the light emitting element 61, and supplies the electric power to the light emitting element 61. In the first embodiment, as described above, the control unit 80 is attached to the back surface of the mounting surface portion 52 of the pedestal 51 by using a fixing member such as a screw (not shown), together with the light emitting element 61 and the like. It is housed in a tubular translucent cover 30. However, the control unit 80 may be attached to the lighting fixture 2 instead of the lamp 3. In this case, the electric wire becomes a feeder function as a supply path of electric power supplied from the control unit 80 to the light emitting element 61. One end of the electric wire such as the power supply line 81, the ground wire 82, and the control line 83 in the first embodiment is connected to the control unit 80. The other end is connected to a terminal block (not shown) attached to the lighting fixture 2.

As described above, in the lighting device 1 of the first embodiment, the plasticizer blocking portion 39 is provided in the translucent cover 30 at least in the portion facing the wiring region 29. Therefore, it is possible to obtain a lamp 3 that suppresses the migration of the plasticizer contained in the wiring material 85 to the translucent cover 30 and suppresses deterioration of the translucent cover 30 and the like. At this time, the transferability of the plasticizer blocking portion 39 is lower than that of the second outer peripheral portion 371. Further, by adopting an inorganic substance such as a metal material as the material of the plasticizer blocking portion 39, it is possible to effectively suppress the migration of the plasticizer to the translucent cover 30.

Embodiment 2.
FIG. 6 is a diagram showing a vertical cross section of the lighting device 1 orthogonal to the longitudinal direction of the lighting device 1 according to the second embodiment of the present invention. In FIG. 6, the parts and the like having the same reference numerals as those in FIG. 3 and the like perform the same functions as those described in the first embodiment.

In the second embodiment, the translucent cover 30a is a mixture of a mixed resin material mixed with a material containing a substance that suppresses the migration of the plasticizer (hereinafter referred to as a plasticizer migration preventing material) and a plasticizer migration preventing material. Dissimilar material molding (two-color molding) using a resin material that has not been used. In the second embodiment, the first outer peripheral portion 370a in the first portion 300a of the translucent cover 30a is formed by using a resin material mixed with a plasticizer migration preventing material. Therefore, the first portion 300a functions as a plasticizer blocking portion 39a that prevents the migration of the plasticizer. Therefore, the plasticizer contained in the coating of the wiring material 85 can prevent deterioration of the translucent cover 30a and the like. On the other hand, the second outer peripheral portion 371a in the second portion 301a of the translucent cover 30a is formed by using a resin material in which the plasticizer migration preventing material is not mixed.

As described above, in the lamp 3 in the lighting device 1 of the second embodiment, the first outer peripheral portion 370a in the first portion 300a of the translucent cover 30a uses a resin material mixed with a plasticizer migration preventing material. It is formed. Therefore, the plasticizer does not migrate as compared with the second outer peripheral portion 371a in the second portion 301a formed by using the material to which the plasticizer migration preventing material is not mixed. Therefore, deterioration of the translucent cover 30a and the like can be prevented. Further, since the lamp 3 of the second embodiment does not require a special component such as the plasticizer blocking portion 39a other than the translucent cover 30a, cost reduction and the like can be achieved. Further, since a step such as an assembly step for forming the plasticizer blocking portion 39a is not required other than the step of forming the translucent cover 30a, the manufacturing efficiency can be improved.

In the lamp 3 of the second embodiment, the translucent cover 30a is a mixture of a mixed resin material mixed with a plasticizer migration preventing material and a plasticizer migration preventing material in consideration of moldability, designability, and the like. The rib 34 is provided with a boundary with the resin material that has not been used, but the rib 34 is not limited to this. Boundaries may be provided elsewhere in the translucent cover 30a. Further, in the second embodiment, the translucent cover 30a may be mixed with a highly reflective material in the first outer peripheral portion 370a. By mixing a highly reflective material with the first outer peripheral portion 370a, the light extraction efficiency (utilization efficiency) of the lamp 3 is improved.

Embodiment 3.
FIG. 7 is a diagram showing a vertical cross section of the lighting device 1 orthogonal to the longitudinal direction of the lighting device 1 according to the third embodiment of the present invention. In FIG. 7, parts and the like having the same reference numerals as those in FIGS. 3 and 6 have the same functions as those described in the first and second embodiments.

In the third embodiment, the translucent cover 30b is configured by using a material such as glass that can suppress the migration of the plasticizer as a whole. Therefore, both the first outer peripheral portion 370b in the first portion 300b of the translucent cover 30b and the second outer peripheral portion 371b in the second portion 301b function as the plasticizer blocking portion 39b. Therefore, the plasticizer contained in the coating of the wiring material 85 can prevent deterioration of the translucent cover 30a and the like.

Further, since the lamp 3 of the third embodiment does not require a special component such as the plasticizer blocking portion 39b other than the translucent cover 30b, cost reduction and the like can be achieved. Further, since a step such as an assembly step for forming the plasticizer blocking portion 39b is not required other than the step of forming the translucent cover 30b, the manufacturing efficiency can be improved.

Embodiment 4.
The lighting device 1 of the above-described first to third embodiments has been described by way of exemplifying a so-called trough type luminaire 2, but is not limited thereto. As the lighting device 1, as the lighting fixture 2 to which the lamp 3 is mounted, other shapes such as a so-called capped type, a one-sided reflective capped type, and a V-shaped type can be adopted.

Further, in the first to third embodiments, the luminaire 2 and the luminaire 3 constituting the luminaire 1 are all exemplified by long ones, but the present invention is not limited thereto. The lamp 3 or the lighting fixture 2 to which the lamp 3 is mounted may be short. For example, the lighting tool 3 may have a shape in which the length dimension of the translucent cover 30 in the tubular axis direction is smaller than the length dimension in the radial direction.

Further, in the first to third embodiments, the lighting device 1 has been described as having the lighting fixture 2 and the lighting fixture 3, but the present invention is not limited to this. Instead of the lighting fixture 2, the raceway may be used as an attached portion, and the raceway may be attached to the lamp 3 to serve as the lighting device 1.

Although the embodiment of the present invention has been described above, the lighting device 1 may be configured by combining a plurality of embodiments. Further, one of these embodiments may be partially performed. Further, these embodiments and modifications may be partially combined. The present invention is not limited to these embodiments and modifications, and various modifications can be made as needed.

1 Lighting device, 2 Lighting equipment, 3 Lighting equipment, 3A end, 9 Construction part side, 20 Equipment body, 21 Equipment bottom, 22 Equipment side surface, 23 Equipment end, 24 Knockout, 25 Mounting part, 26 Opening end , 27 connecting part, 28 screw holes, 29 wiring area, 30 translucent cover, 30a translucent cover, 30b translucent cover, 31 parallel part, 32 first connection part, 33 second connection part, 34 ribs, 35 Cover end, 36 end, 37 outer circumference, 38 inner circumference, 39 plastic breaker, 39a plastic breaker, 39b plastic breaker, 40 end cover, 41 1st end cover, 42nd 2 end cover, 43 sealant, 44 connecting member, 45 connecting part, 46 fixing part, 47 engaging part, 48 connecting screw, 49 cover lid, 50 mounting member, 51 pedestal, 52 mounting surface part, 53 side part, 54 Fixture, 55 Mounting part, 56 Fixing part, 57 Boss part, 58 Screw hole, 60 Light emitting part, 61 Light emitting element, 62 Board, 75 Fixing screw, 80 Control part, 81 Power line, 82 Ground wire, 83 Control line , 84 power supply line, 85 wiring material, 100 sealing structure, 300 first part, 300a first part, 300b first part, 301 second part, 301a second part, 301b second part, 370 first outer peripheral part, 370a 1st outer peripheral part, 370b 1st outer peripheral part, 371 2nd outer peripheral part, 371a 2nd outer peripheral part, 371b 2nd outer peripheral part, 410 1st cover main part, 410a outer wall part, 411 1st cover through hole, 412th 1 cover connection hole, 413 connection guide, 414 cover bottom surface through hole, 415 cover bottom surface through hole, 416 cover wire holding part, 417 cover end face part, 418 cover end face through hole, 419 end cover outer circumference, 420 second cover main part , 421 End cover insertion part, 421a Insertion wall, 422 Second cover engagement piece, 423 Second cover engagement claw, 425 End cover inner circumference, 430 Sealing tool main part, 431 Wire insertion part, 432 Wire Insertion hole, 433 Sealant tubular part, 434 screw insertion hole, 435 inner peripheral part, 436 connection part, 437 outer peripheral part, 450 step part, 451 connection screw insertion part, 460 fixing screw insertion hole, 461 Engagement piece insertion hole, 470 wire insertion hole, 472 insertion hole, 480 retaining washer, 481 shaft part, 520 screw hole, 521 notch part, 522 mounting hole, 4710 upper slit, 4711 end slit.

Claims (7)

It is a lamp that can be attached to the attached part.
The light emitting part that is the light source and
A cover for accommodating the device including the light emitting portion is provided.
The cover is
A plasticizer blocking portion that suppresses the migration of the plasticizer contained in the wiring material connected to the device in the cover via the wiring region between the attached portion and the mounting portion is provided at least on the portion facing the wiring region. Lighting equipment to have. The lamp according to claim 1, wherein the transferability of the plasticizer in the plasticizer blocking portion is lower than the transferability of the plasticizer in the cover portion other than the plasticizer blocking portion. The lamp according to claim 1 or 2, wherein the cover has the plasticizer blocking portion in the portion of the path facing the wiring region and in which the wiring material comes into contact. The lamp according to any one of claims 1 to 3, wherein the plasticizer blocking portion has an inorganic material. The portion of the cover facing the wiring region is formed of a material containing a substance that suppresses the migration of the plasticizer, and the plasticizer blocking portion is formed according to any one of claims 1 to 3. The listed lighting equipment. The cover is
The lamp according to any one of claims 1 to 5, wherein the material is a substance to which the plasticizer does not migrate. The lamp according to any one of claims 1 to 6, and the lamp
A lighting device including a power supply wire that is connected to the wiring material and is a path through which electric power is supplied to the lamp.

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