JP5599254B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting apparatus in which a plurality of lamps are continuously installed in the longitudinal direction.

  2. Description of the Related Art Conventionally, there has been known a lighting fixture that performs indirect illumination of a wall surface or a floor surface by installing a plurality of them continuously in the longitudinal direction along, for example, an indoor wall surface or floor surface (see, for example, Patent Document 1). . It is also known that an LED is used as the light source of such a lighting fixture, and a plurality of LED elements as point light sources are arranged at a predetermined pitch inside the casing of the lighting fixture.

  For example, a plurality of lighting fixtures of this type are connected in the longitudinal direction on a surface to be installed along a wall surface or a floor surface and fixed with screws or the like. Among a plurality of connected lighting fixtures, a lighting fixture installed at one end is connected to a power line and supplied with power. Electric power is supplied to other luminaires by electrically connecting adjacent luminaires with a feed line.

  An example of construction in which a plurality of conventional lighting fixtures are connected and installed on the installation surface will be described with reference to the drawings. FIG. 10 is a plan view of a conventional lighting fixture. As shown in FIG. 10A, a power line L1 is connected to the first lighting fixture 111a at the end. One end side is fixed to the installation surface with a screw 119. A connecting fitting J1 for connecting the first lighting fixture 111a and the second lighting fixture 111b is inserted into the other end side. The other end side of the first lighting fixture 111a is fixed by fixing the connection fitting J1 to the installation surface with the screw 119.

  The 2nd lighting fixture 111b is connected with the 1st lighting fixture 111a with a feed wire (not shown), and one end side is inserted into the connection metal fitting J1 inserted in the 1st lighting fixture 111a. By connecting the 1st lighting fixture 111a and the 2nd lighting fixture 111b with the connection metal fitting J1, the one end side of the 2nd lighting fixture 111b is fixed. A connecting fitting J2 for connecting the second lighting fixture 111b and the third lighting fixture 111c is inserted into the other end side of the second lighting fixture 111b. The other end side of the second lighting fixture 111b is fixed by fixing the connecting fitting J2 to the installation surface with the screw 119.

  After the 3rd lighting fixture 111c, it constructs similarly to the 2nd lighting fixture 111b, and the nth lighting fixture 111n located in the end of the other side of the 1st lighting fixture 111a is connected with an edge part. Without inserting the metal fitting, the end is fixed to the installation surface with the screw 119.

  Thus, by connecting the adjacent lighting fixtures using the connecting fitting J, the number of screws 119 used can be reduced, and a plurality of lighting fixtures can be constructed with a small number of steps.

JP 2008-300242 A

  However, the above-mentioned conventional lighting fixture has a relatively good workability at the time of installation, but has a problem that the workability at the time of maintenance is low, such as when replacing a failed lighting fixture.

  For example, in FIG. 10, a case where a defect occurs in the third lighting fixture 111c and it is removed and replaced is considered. When removing the 3rd lighting fixture 111c, since the 3rd lighting fixture 111c is connected with the 2nd lighting fixture 111b and the 4th lighting fixture (not shown) which adjoin by the connection metal fitting J2, 2nd The third lighting fixture 111c cannot be removed unless one of the lighting fixture 111b and the fourth lighting fixture is removed and shifted in the longitudinal direction. Moreover, since the 2nd lighting fixture 111b is connected to the 1st lighting fixture 111a, in order to remove the 2nd lighting fixture 111b, the 1st lighting fixture 111a must also be removed. Thus, in order to remove the lighting fixture in an intermediate part among the lighting fixtures continuously installed in multiple numbers, there exists a problem that all the lighting fixtures must be removed from an edge.

  In addition, since the adjacent lighting fixtures are connected using the connecting fitting, there is a problem that the adjacent lighting fixtures cannot be installed close to each other. If adjacent lighting fixtures cannot be installed close to each other, there arises a problem that the pitch of the LEDs cannot be set to a certain distance or a problem that the light distribution property is lowered.

  That is, the LED cannot be brought closer to the end of the lighting fixture than a certain distance due to the design of the substrate. Moreover, in the conventional lighting fixture, a connecting fitting is interposed in the connecting portion. For this reason, when a lighting fixture is connected, there is a limit to shortening the pitch of the LEDs straddling the connecting portion of the lighting fixture. For example, when the minimum value (limit pitch) of the LED pitch straddling the connecting portion of the lighting fixture is 70 mm, when the LED pitch is uniform in the entire connected lighting fixture, The LED pitch cannot be made 70 mm or less. That is, there is a limitation that if the LED pitch is made uniform, the LED pitch cannot be made shorter than the limit pitch.

  On the other hand, in order to raise the illumination intensity of a lighting fixture, the pitch of LED inside a lighting fixture may have to be made shorter than a limit pitch. In the above example, for example, assume that the pitch of the LEDs inside the lighting fixture is 50 mm. However, since the limit pitch remains 70 mm, the LED pitch cannot be made constant throughout the connected lighting fixtures. If the pitch of the LEDs is not constant, the illuminance is not uniform and the light distribution is reduced.

  As described above, when adjacent lighting fixtures are connected using the connecting bracket, there is a problem that the limit pitch of the LEDs becomes long. When the pitch of the LEDs inside the lighting fixture is shorter than the limit pitch, a plurality of lighting fixtures are used. There is a problem that the light distribution is reduced when the two are connected.

  Moreover, since a connection metal fitting is used, there also exists a problem that a number of parts increases.

  The present invention has been made to solve the above problems. The 1st objective is to provide the lighting fixture which can be removed independently, without removing adjacent lighting fixture. The second object is to provide a lighting fixture capable of shortening the limit pitch of point light sources at the connection portion of the lighting fixture. The third object is to provide a lighting fixture with a reduced number of parts.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

That is, the first invention is a luminaire in which a plurality of pieces are installed on a surface to be installed in the longitudinal direction and are electrically connected to each other by a feed line, and includes a housing, a light source, a fixing portion, And a line section. The light source is disposed inside the housing. The fixing portions are provided at both ends of the casing, and fix the casing to the installation surface independently of the adjacent lighting fixtures. The through-line portions are formed from the end surfaces formed at both ends in the longitudinal direction of the housing to the bottom surface facing the installation surface, and the feed line is inserted therethrough. The fixing portion is disposed on one side with respect to the longitudinal center line of the housing. The through-line portion is formed side by side with a portion where the fixing portion of the casing is arranged in the short direction of the casing.

  The second invention is the first invention, wherein the fixing portion protrudes in the longitudinal direction of the housing on one side with respect to the center line in the longitudinal direction of the housing on the end surface of the housing, Protrusions on which the fixing parts are arranged are provided, and the protrusions of adjacent lighting fixtures are combined so as to overlap in the lateral direction of the casing, and are continuously installed on the installation surface in the longitudinal direction.

  3rd invention is either 1st or 2nd invention, Comprising: The light source consists of several point light sources, and the space | interval of point light sources is fixed in the state which installed the lighting fixture continuously in the longitudinal direction. A point light source is arranged so that

  As effects of the present invention, the following effects can be obtained.

  According to the first aspect of the present invention, the fixing unit is provided at both ends of the casing and is used to fix the casing to the installation surface independently of the adjacent lighting fixture. For this reason, when removing the lighting fixture in an intermediate part among a plurality of lighting fixtures installed continuously, it becomes possible to remove the lighting fixture by releasing the fixing at the fixing portion of the lighting fixture. Moreover, it is formed from the end surface formed at both ends in the longitudinal direction of the housing to the bottom surface facing the installation surface, and is provided with a line portion through which the feed line is inserted. For this reason, when removing the luminaire, as the luminaire is moved relative to the adjacent luminaire, the feed line connected to the luminaire moves from the end surface side to the bottom side in the through-wire portion, The feed line does not interfere with the lighting fixture. Therefore, even if it is a case where the lighting fixture in an intermediate part is removed among the lighting fixtures installed continuously several, it is not necessary to remove all the lighting fixtures from an end, and it can remove independently. In addition, since no connection fitting is used, the number of parts can be reduced.

  According to the second invention, the fixing portion protrudes in the longitudinal direction of the casing on one side of the end surface of the casing with respect to the longitudinal center line of the casing, and the fixing portion is disposed. Protrusions are provided, and the protrusions of adjacent lighting fixtures are combined so as to overlap in the lateral direction of the housing, and are continuously installed in the longitudinal direction on the installation surface. For this reason, the space | interval of the light source in a connection part can be shortened compared with the case where a lighting fixture is connected using a connection metal fitting. Furthermore, compared with the case where the fixing parts of adjacent lighting fixtures are installed to face each other, the length of the connecting part can be shortened by overlapping the protrusions of the fixing part in the short direction of the housing. And the distance between the light sources in the connecting portion can be shortened.

  According to the third invention, since the point light sources are arranged so that the distance between the point light sources is constant in the state in which the lighting fixtures are continuously installed in the longitudinal direction, the illuminance of the whole connected lighting fixtures is increased. Uniformity and improved light distribution.

The perspective view of the lighting fixture 11 which concerns on Example 1 of this invention. The perspective view which made the lighting fixture 11 continue in the longitudinal direction. Sectional drawing in the 3-3 line of FIG. The perspective exploded view which shows the state which attaches the end-plate part 31 and the end cap 41 to the instrument main body 21. FIG. The perspective view of the (A) inner side and (B) outer side of the end cap 41. FIG. The side view which shows the pitch of the LED element 82. FIG. (A) Sectional drawing in the centerline of a longitudinal direction in the state which made the lighting fixture 11 continue to a longitudinal direction, (B) Top view, (C) Bottom view. The side view explaining the state which removes the lighting fixture 11 in the state which made the lighting fixture 11 continue in the longitudinal direction. The top view which shows the state which continued the lighting fixture 11 which concerns on Example 2 of this invention to the longitudinal direction. The top view explaining the conventional lighting fixture 111. FIG.

  Next, embodiments of the invention will be described with reference to the drawings.

  The lighting fixture 11 which concerns on Example 1 of this invention is demonstrated using FIGS. 1-8. As illustrated in FIG. 1, the shape of the lighting fixture 11 according to the first embodiment is an elongated substantially rectangular parallelepiped having a large ratio of the length in the longitudinal direction to the length in the short direction. The luminaire 11 is installed alone on the installation surface W along the wall surface, floor surface, or the like, or a plurality of the luminaires 11 are continuously installed in the longitudinal direction as shown in FIG. When a plurality of lighting fixtures 11 are continuously installed, the lighting fixture 11 installed at one end is connected to the power line L1 and supplied with power. Electric power is supplied to the other lighting fixtures 11 by electrically connecting the adjacent lighting fixtures 11 with each other through the feed line L2. The direction in which the luminaire 11 is installed is not particularly limited, and the luminaire 11 may be installed so as to irradiate light in any direction upward, downward, sideways. In the following description, a surface facing the installation surface W is a bottom surface, and a surface on the opposite side to which light is irradiated is an upper surface.

  As illustrated in FIGS. 1 and 3, the lighting fixture 11 includes a housing 12, a light source unit 13, a lighting device 14, and a terminal block 15. The housing 12 includes an instrument main body 21, an end plate portion 31, an end cap 41, a bottom plate portion 61, and a shade 71. The instrument main body 21, the end plate part 31, and the bottom plate part 61 are formed using a metal material such as aluminum having thermal conductivity. As shown in FIG. 4, the instrument main body 21 is formed of an extruded material having a substantially H-shaped cross section, and has a lateral plate portion 22 and side plate portions 23 formed on both sides of the lateral plate portion 22. Yes. The upper and lower sides of the horizontal plate portion 22 of the instrument main body 21 are open (open portions 27 and 28), and both end portions are also open. An upper groove portion 24 that inserts and holds the shade 71 is opposed to the upper portion of the side plate portion 23, and a protrusion 25 that holds the bottom plate portion 61 is formed opposite to the lower portion of the side plate portions 23 on both sides. ing. On both sides of the lower portion of the horizontal plate portion 22, screw attachment portions 26 for attaching the end plate portion 31 with screws 37 are formed.

  As shown in FIGS. 3 and 4, the end plate portion 31 and the end cap 41 are attached to both end portions of the instrument main body 21 to close open portions of both end portions of the instrument main body 21. In addition, the end plate portion 31 and the end cap 41 constitute a fixing portion 17 that fixes the housing 12 to the installation surface W, and constitute a wiring portion 18 through which the power supply line L1 or the feed line L2 is inserted. Since the end plate portion 31 and the end cap 41 are attached to both ends of the fixture main body 21, two sets are used for one lighting fixture 11, but because the common end plate portion 31 and end cap 41 are used at both ends. The end plate part 31 and the end cap 41 are each one type.

  As shown in FIG. 4A, the end plate portion 31 includes an end plate main body 32 that closes the end portion of the instrument main body 21, a mounting portion 34 that protrudes from a lower portion of the end plate main body 32, and a notch portion 36. . The end plate main body 32 is formed with a through hole 33 for attaching the end plate portion 31 to the instrument main body 21 with a screw 37. A through hole 35 for fixing the housing 12 to the installation surface W with a screw 19 as a fixing portion is formed in the attachment portion 34 (see FIG. 4C). The width of the attachment portion 34 is set to be unevenly distributed on one side with respect to the center line in the longitudinal direction of the instrument main body 21 in a state where the end plate part 31 is attached to the instrument main body 21. In the present embodiment, the width of the attachment portion 34 is set to approximately half the length of the instrument main body 21 in the short direction.

  The cutout portion 36 of the end plate portion 31 constitutes the through-wire portion 18 through which the power supply line L1 or the feed line L2 is inserted (see FIG. 4C), and the power supply line L1 or the feed line connected to the terminal block 15. It has a shape through which L2 can be inserted. The notch 36 is formed so as to be unevenly distributed on the opposite side of the mounting part 34 with respect to the longitudinal center line of the instrument main body 21 in a state where the end plate part 31 is attached to the instrument main body 21. In the present embodiment, the width of the notch 36 is set to approximately half the length of the instrument main body 21 in the short direction. The notch 36 is formed such that at least the lower part is open and the open part 28 at the lower part of the instrument main body 21 and the notch 36 communicate with each other with the end plate 31 attached to the instrument main body 21.

  As shown in FIGS. 4 and 5, the end cap 41 is attached to both ends of the instrument main body 21 and constitutes an end surface (wife surface) of the housing 12. The end cap 41 has an end surface portion 42, an upper surface portion 43, a side surface portion 44, and a lower surface portion 45. The upper surface portion 43 and the lower surface portion 45 of the end cap 41 are flush with the upper and lower portions of the instrument main body 21 when attached to the instrument main body 21, and the side surface 44 is connected to the side plate 23 of the instrument main body 21. It is configured to be flush. The side attached to the instrument main body 21 is open.

  The lower surface portion 45 of the end cap 41 is formed to be disposed below the attachment portion 34 of the end plate portion 31 in a state where the end cap 41 is attached to the instrument main body 21, and the through hole 35 of the attachment portion 34. A U-shaped notch 46 is formed at a position corresponding to. The width of the lower surface portion 45 is set so as to be unevenly distributed on one side with respect to the longitudinal center line of the instrument main body 21 in a state where the end cap 41 is attached to the instrument main body 21.

  An attachment hole 47 is provided in the upper surface portion 43 of the end cap 41. The attachment hole 47 is provided at a position above the through hole 35 formed in the attachment portion 34 of the end plate portion 31 in a state where the end cap 41 is attached to the instrument main body 21. A screw insertion portion 48 is provided inside the end cap 41. The screw insertion portion 48 has a space so that the screw 19 can be inserted therein, and is formed from the inner periphery of the attachment hole 47 toward the cutout portion 46 of the lower surface portion 45. Between the lower end portion of the screw insertion portion 48 and the lower surface portion 45, a space having a width in which the attachment portion 34 of the end plate portion 31 can be inserted is secured.

  As shown in FIG. 5A, a cutout groove 49 is formed in the end surface portion 42 of the end cap 41 so that the cutout portion 50 can be formed. The cutout groove 49 is formed on the same side as the cutout portion 36 of the end plate portion 31 with the end cap 41 attached to the instrument main body 21. By cutting off a part of the end face portion 42 along the cutout groove 49, a cutout portion 50 is formed as shown in FIG. 5B. The cutout portion 50 of the end cap 41 constitutes the through-wire portion 18 through which the power supply line L1 or the feed line L2 is inserted together with the cutout portion 36 of the end plate portion 31, and the power supply line L1 connected to the terminal block 15 or It has a shape that allows insertion of the feed line L2. The width of the notch 50 is set to be longer than half the length of the instrument main body 21 in the short direction. That is, in a state where the end cap 41 is attached to the instrument main body 21, it is cut out to the lower surface portion 45 side beyond the center line in the longitudinal direction of the instrument main body 21. The notch 50 is formed so as to communicate with the opening 28 at the lower part of the instrument main body 21 and the notch 36 of the end plate part 31 with the end cap 41 attached to the instrument main body 21 at least at the lower side. .

  Note that it is not necessary to form the notch portion 50 in the end cap 41 at a place where it is not necessary to insert the power line L1 or the feed line L2 into the end cap 41. That is, when installing the luminaire 11 singly and when installing a plurality of luminaires continuously in the longitudinal direction, the end cap 41 is connected to the power line at the end opposite to the side to which the power line L1 is connected. There is no need to insert L1 or feed line L2. Further, it is not necessary to form the notch portion 50 in the end cap 41 when the power supply line L1 is drawn from the bottom surface instead of from the end surface. In such a case, the notch 50 is not formed in the end cap 41, and it may be attached to the instrument main body 21 as it is.

  As shown in FIG. 3, the bottom plate portion 61 closes a part of the opening portion 28 at the lower part of the instrument main body 21. The bottom plate portion 61 is formed of a thin plate member. The bottom plate portion 61 is placed under the instrument main body 21 and brought into contact with the protrusion 25. Both end portions of the bottom plate portion 61 are bent and fixed to the horizontal plate portion 22 of the instrument main body 21 with screws 62. The bottom plate portion 61 is shorter than the length of the instrument main body 21 in the longitudinal direction, and is attached to the instrument main body 21, and the both ends of the open portion 28 of the lower part of the instrument main body 21 are opened without being closed. It is said. The open portions 28 at the lower ends of both ends of the instrument main body 21 constitute the through-wire portion 18 through which the power line L1 or the feed line L2 is inserted together with the notch portion 50 of the end cap 41 and the notch portion 36 of the end plate portion 31. It is.

  The seed 71 is a member that closes the open portion 27 at the upper part of the instrument main body 21 and transmits light from the light source unit 13 to form an irradiation surface. The seed 71 is made of a translucent acrylic resin material having translucency, and is inserted and held from the end of the upper groove portion 24 of the instrument main body 21.

  The terminal block 15 is configured such that the terminal of the power supply line L1 from the external power supply or the feed line L2 from the adjacent lighting fixture 11 is inserted into the insertion port and electrically connected. Two terminal blocks 15 are provided on both ends of the instrument main body 21 at the lower part of the horizontal plate portion 22 of the instrument main body 21. The insertion port of the terminal block 15 is directed to the end side of the instrument main body 21.

  The lighting device 14 turns on the LED element 82 of the light source unit 13. The lighting device 14 is disposed below the horizontal plate portion 22 of the instrument main body 21. The lighting device 14 is electrically connected by the terminal block 15 and the electric wire 15a.

  The light source unit 13 includes a substrate 81 and a plurality of LED elements 82 as point light sources, and is disposed on the upper side of the horizontal plate unit 22 of the instrument main body 21. The light source unit 13 and the lighting device 14 are electrically connected by an electric wire (not shown). The LED elements 82 are arranged on the substrate 81 so that the pitch is constant in a state where the lighting fixtures 11 are continuously installed in the longitudinal direction. That is, as shown in FIG. 6, it is assumed that the pitch of the LED elements 82 straddling the ends of the adjacent lighting fixtures 11a and 11b is P1, and the pitch of the LED elements 82 inside each lighting fixture 11 is P2. The LED elements 82 are arranged so that P1 and P2 are equal.

  In order to make the pitch of the LED elements 82 uniform throughout the continuous lighting fixtures 11a and 11b, the distance D1 from the end of the first lighting fixture 11a to the LED element 82 and the end of the second lighting fixture 11b The distance D1, the distance D2, and the gap D3 are set so that the value obtained by adding the distance D2 to the LED element 82 and the gap D3 when installing the first lighting fixture 11a and the second lighting fixture 11b is P1. Set. Note that the distance D1 and the distance D2 are not necessarily equal.

  Thus, in the state which installed the lighting fixture 11 continuously in the longitudinal direction, since the LED element 82 is arrange | positioned so that the pitch of the LED element 82 may become fixed, illumination intensity is the whole lighting fixture 11 connected. Uniformity and improved light distribution.

  Next, a procedure for installing the plurality of lighting fixtures 11a to 11n on the installation surface W continuously in the longitudinal direction will be described. First, among the plurality of lighting fixtures 11a to 11n, construction of the lighting fixture 11a installed on one end side is performed. The terminal of the power supply line L1 is connected to one terminal block 15 of the lighting fixture 11a. The other terminal block 15 of the luminaire 11a connected to the power line L1 is connected to the terminal of the feed line L2 for connection to the luminaire 11b to be constructed next (see FIG. 7).

  Then, the end plate part 31 and the end cap 41 which comprise the fixing | fixed part 17 are attached to the both ends of the fixture main body 21 of the lighting fixture 11a connected to the power wire L1. It is assumed that the shade 71 and the bottom plate portion 61 are already attached to the instrument main body 21, and the end plate portion 31 is attached to the instrument main body 21 with screws 37 as shown in FIGS. 4A and 4B. After the end plate portion 31 is attached to the instrument main body 21, the end cap 41 is attached to the instrument main body 21 as shown in FIG. 4C. At this time, the attachment portion 34 of the end plate portion 31 is inserted into a gap between the lower end portion of the screw insertion portion 48 formed on the inner side of the end cap 41 and the lower surface portion 45. It is assumed that the end cap 41 has a cutout 50 formed by cutting a part of the endface 42 along the cutout groove 49 of the endface 42 in advance. Then, the power supply line L1 on one side and the feed line L2 on the other side are inserted through the through-line portions 18, respectively, and are arranged at positions where the lighting fixture 11a is to be installed. By inserting and screwing the screw 19 as the fixing portion through the attachment hole 47 of the end cap 41, the lower surface portion 45 of the end cap 41 and the attachment portion 34 of the end plate portion 31 are tightened by the screw 19, While the board part 31 is fixed, the lighting fixture 11a is fixed to the installation surface W.

  Next, the lighting fixture 11b adjacent to the lighting fixture 11a is constructed. The terminal of the feed line L2 of the lighting fixture 11a previously constructed is connected to one terminal block 15 of the lighting fixture 11b, and the lighting fixture 11a and the lighting fixture 11b are electrically connected. The other terminal block 15 of the lighting fixture 11b is connected to the terminal of the feed line L2 for connecting to the lighting fixture 11c to be constructed next. The end plate part 31 and the end cap 41 which comprise the fixing | fixed part 17 are attached to the both ends of the fixture main body 21 of the lighting fixture 11b similarly to the lighting fixture 11a. As shown in FIG. 7, the feed lines L2 at both ends are respectively inserted through the through-line portions 18, and the luminaires 11b are arranged at positions where they should be installed. At this time, the ends of the adjacent lighting fixtures 11a and 11b are opposed to each other with a slight gap, but the width of the cutout portion 50 of the end cap 41 is more than half the length of the fixture main body 21 in the short direction. It is set long. That is, the end cap 41 is notched beyond the center line in the longitudinal direction of the instrument main body 21 with the end cap 41 attached to the instrument main body 21. For this reason, since the notch part 50 of the end cap 41 made to oppose overlaps in the vicinity of the center, and the respective wire portions 18 communicate with each other, the feed line L2 can be inserted between the lighting fixture 11a and the lighting fixture 11b. it can. Hereinafter, the same procedure is applied to the lighting fixtures 11c to 11n installed adjacent to the lighting fixture 11b.

  Next, a procedure for removing the luminaire 11b installed in the middle portion among the plurality of luminaires 11a to 11n installed as described above will be described with reference to FIG. The lighting fixture 11b is provided with fixing portions 17 at both ends, and the lighting fixture 11b is fixed to the installation surface W independently of the adjacent lighting fixture 11a and the lighting fixture 11c (not shown). For this reason, when removing the lighting fixture 11b in an intermediate part, as shown to FIG. 8A, if the screw 19 which has fixed the both ends of the said lighting fixture 11b is removed, it will be possible to remove the lighting fixture 11b. Become.

  Further, from the end surface formed at both ends in the longitudinal direction of the housing 12 to the bottom surface facing the installation surface W, the notch portion 50 of the end cap 41, the notch portion 36 of the end plate portion 31, and both ends of the instrument main body 21. The opening portion 28 at the lower part of the portion constitutes the wire portion 18 through which the feed line L2 is inserted. For this reason, when removing the lighting fixture 11b in the middle part, as shown in FIG. 8B, the lighting fixture 11b is connected to the lighting fixture 11b as the lighting fixture 11b is moved relative to the adjacent lighting fixture 11a and the lighting fixture 11c. The feed line L2 moves from the end face side to the bottom face side in the through-wire portion 18, and the feed line L2 does not interfere with the adjacent lighting fixture 11a and lighting fixture 11c (not shown). Therefore, even if it is a case where it removes the lighting fixture 11b in the intermediate part among the lighting fixtures 11a to 11n installed in succession, it is not necessary to remove all the lighting fixtures 11 from the end, and remove it alone. Can do.

  Next, the lighting fixture 11 which concerns on Example 2 of this invention is demonstrated using FIG. The second embodiment is greatly different from the first embodiment in that a projection 51 is provided on the end cap 41 and the screw 19 as a fixing portion is disposed on the projection 51. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 9, the end cap 41 is attached to the instrument main body 21, and protrudes in the longitudinal direction of the instrument main body 21 on one side with respect to the center line in the longitudinal direction of the instrument main body 21. Is provided. A mounting hole 47 for placing the screw 19 is formed in the protrusion 51. In other words, the shape of the end cap 41 of the second embodiment is such that the end face portion 42 of the end cap 41 of the first embodiment has a longitudinal direction of the instrument main body 21 at a portion opposite to the side where the mounting hole 47 is formed. It is the shape which formed the step part 52 depressed in the direction.

  The width of the protrusion 51 is set to be unevenly distributed on one side with respect to the longitudinal center line of the instrument main body 21 in a state where the end cap 41 is attached to the instrument main body 21. Further, a cutout groove 49 is formed in the end face portion 42 of the end cap 41 so that the cutout portion 50 can be formed as in the first embodiment. The cutout groove 49 is formed on the same side as the cutout portion 50 of the end plate portion 31 with the end cap 41 attached to the instrument main body 21. The width of the notch 50 is set to be longer than half the length of the instrument main body 21 in the short direction, and is formed up to the vicinity of the boundary with the protrusion 51. That is, in a state where the end cap 41 is attached to the instrument main body 21, it is cut out to the lower surface portion 45 side beyond the center line in the longitudinal direction of the instrument main body 21.

  Next, a procedure for installing the lighting fixture 11 of Example 2 on the installation surface W continuously in the longitudinal direction will be described. Since the procedure for electrically connecting the plurality of lighting fixtures 11a to 11n using the power supply line L1 and the feed line L2 is the same as that in the first embodiment, the description thereof is omitted.

  In the lighting fixture 11 of Example 2, since the projection 51 is formed on the end cap 41, when the adjacent lighting fixture 11 a and the lighting fixture 11 b are arranged on the installation surface W, the adjacent lighting fixture 11 a and the illumination are illuminated. The protrusions 51 of the appliance 11b are arranged in combination so as to overlap in the short direction of the illumination fixture 11a and the illumination fixture 11b. Similarly to the first embodiment, the screw 19 as the fixing portion is inserted through the attachment hole 47 of the end cap 41 and screwed, so that the lower surface portion 45 of the end cap 41 and the attachment portion 34 of the end plate portion 31 are screwed 19. The end cap 41 and the end plate portion 31 are fixed, and the lighting fixture 11 is fixed to the installation surface W.

  Thus, by arranging the protrusions 51 of the adjacent lighting fixtures 11a and 11b so as to overlap in the short direction of the lighting fixtures 11a and 11b, the adjacent lighting fixtures 11a and the lighting fixtures are arranged. Compared with the case where the fixed portions 17 of 11b are installed in contact with each other, the length of the connecting portion is shortened by overlapping the protruding portions 51 of the fixed portion 17 in the short direction of the lighting fixture 11a and the lighting fixture 11b. be able to. For this reason, the limit pitch of the LED element 82 in a connection part can be shortened.

  That is, in FIG. 9, when the distance from the end of the first lighting fixture 11a to the LED element 82 is D11, and the distance from the end of the second lighting fixture 11b to the LED element 82 is D12, the protrusion The pitch P is smaller than the distance obtained by adding the distance D12 to the distance D11 because the portions 51 overlap each other in the short direction of the lighting apparatus 11a and the lighting apparatus 11b. That is, the limit pitch P of the LED elements 82 straddling the end portions of the adjacent lighting fixtures 11 is shortened.

  Moreover, since it becomes a standard of the position at the time of installing the several lighting fixture 11 by arrange | positioning combining the protrusion parts 51 of the adjacent lighting fixture 11 so that it may overlap in the transversal direction of the lighting fixture 11, it is illumination. It becomes easy to install the instrument 11 linearly.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made. For example, the shapes of the lighting fixture 11, the end plate portion 31, the end cap 41, and the like are not limited to the embodiments.

  Moreover, since the end plate part 31 and the end cap 41 are common parts and the light source part 13 is a unit, the instrument main body 21 is lengthened, and the number of the light source parts 13 arrange | positioned in the instrument main body 21 is increased / decreased. Thereby, the lighting fixture 11 from which length differs can be manufactured easily.

The technical scope of the present invention described above is not limited to the above embodiment, and is not limited to the shape of the above embodiment.
The technical scope of the present invention broadly covers the entire scope of technical ideas that the present invention truly intends, as will be apparent from the matters described in the present specification and drawings.

DESCRIPTION OF SYMBOLS 11 Lighting fixture 12 Case 13 Light source part 14 Lighting device 15 Terminal block 15a Electric wire 17 Fixing part 18 Wire part 19 Screw as a fixing part 21 Instrument main body 22 Horizontal plate part 23 Side plate part 24 Upper groove part 25 Projection 26 Screw attachment part 27 Opening portion 28 Opening portion 31 End plate portion 32 End plate main body 33 Through hole 34 Mounting portion 35 Through hole 36 Notched portion 37 Screw 41 End cap 42 End surface portion 43 Upper surface portion 44 Side surface portion 45 Lower surface portion 46 Notched portion 47 Mounting hole 48 Screw insertion part 49 Groove for cutting 50 Notch part 51 Projection part 52 Step part 61 Bottom plate part 62 Screw 71 Sade 81 Substrate 82 LED element L1 Power line L2 Feed line W Installation surface

Claims (3)

A lighting device in which a plurality of wires are installed on the surface to be installed continuously in the longitudinal direction and are electrically connected to each other by a feed line,
A housing,
A light source disposed inside the housing;
A fixing portion provided at both ends of the casing, for fixing the casing to the installation surface independently of an adjacent lighting fixture;
A line portion formed from an end surface formed at both ends in the longitudinal direction of the housing to a bottom surface facing the installation surface, and through which the feed line is inserted;
With
The fixing portion has a fixing portion disposed on one side with respect to the longitudinal center line of the casing,
The luminaire is characterized in that the through- line portion is formed side by side with a portion where the fixing portion of the casing is arranged in a short direction of the casing . The lighting fixture according to claim 1,
The fixing portion is provided on one end of the end surface of the casing with respect to a center line in the longitudinal direction of the casing, and is provided with a protruding portion in which the fixing portion is disposed. And
A combination of the projections of adjacent lighting fixtures so as to overlap each other in the short direction of the casing, and the lighting fixtures are continuously installed in the longitudinal direction on the installation surface. It is a lighting fixture of any one of Claim 1 or 2,
The light source comprises a plurality of point light sources,
In the state which installed the lighting fixture continuously in the longitudinal direction, the said point light source has been arrange | positioned so that the space | interval of the said point light source may become fixed.

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