JP2009224156A - Lighting system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a luminaire in which an exchange cost is reduced and installation time is reduced while designability is unified. <P>SOLUTION: The luminaire includes a luminaire body 1 of long shape to be fitted to a raceway 12 fixed to a building and a power supply unit 2 to be fitted to the luminaire body 1. Different kinds of socket tables 7 are fitted to the power supply unit 2 corresponding to the number of lamps 4, and each socket table 7 is fitted with a lamp socket 8 of the number corresponding to the number of lamps 4, and in the case of a plurality of lamps, a plurality of pieces of lamp sockets 8 are fitted in a row in width direction. Meanwhile, the luminaire body 1 includes a cut-out portion 1c of nearly rectangular shape installed at a site where the socket table 7 for a plurality of lamps is positioned at the sidewall at both ends in the width direction, and thereby, even for the power supply unit 2 fitted with any of the plurality of kinds of socket tables 7, that can be fitted to the luminaire body 1. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a lighting fixture.

  Conventionally, various lighting fixtures that are attached to a ceiling surface and illuminate a room or the like have been provided (see, for example, Patent Document 1).

  Here, FIG. 9 shows a one-lamp type lighting fixture, and one lamp socket 102 to which both end portions of a straight tube type lamp 104 are connected to both sides in the longitudinal direction of the fixture body 101 is attached. In addition, a reflector 103 that reflects light emitted from the lamp 104 downward is disposed between the instrument body 101 and the lamp 104.

  On the other hand, FIG. 10 shows a two-lamp type lighting fixture, and lamp sockets 202 for two lamps are respectively attached to both sides in the longitudinal direction of the fixture main body 201 for two lamps. Between them, a reflection plate 203 for reflecting the irradiation light from the lamp 104 downward is disposed.

FIG. 11 also shows a two-lamp type lighting fixture, and two lamp sockets 102 are provided in place of the single lamp lamp socket 102 for the single-lamp fixture main body 101 ′ shown in FIG. A socket base 301 that is mounted side by side in the width direction of the main body 101 ′ is attached, and a reflector 302 that reflects light emitted from the lamp 104 downward is disposed between the instrument main body 101 ′ and the lamp 104. Has been.
JP 2003 197023 A (paragraph [0002] -paragraph [0005] and FIGS. 1 and 2)

  In the lighting fixtures shown in FIGS. 9 to 11 described above, dedicated fixture bodies and reflectors are used. Therefore, when changing the number of lamps, a set of fixtures equipped with lamp sockets of the required number of lamps is used. As a result, the replacement cost a great deal of money and time was required for the replacement. The lighting fixtures shown in FIGS. 9 and 11 both use a single lamp socket for the single fixture body, but the distance between the fixture main body and the lamp socket is different in both cases. For this reason, the shape of the reflector for obtaining the optimal light distribution is different, and the design cannot be unified as the entire lighting fixture.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a lighting apparatus that can reduce the replacement cost and shorten the construction time and unify the design.

  The invention of claim 1 includes a long instrument main body attached to the attached portion and a power supply unit attached to the instrument main body, and the power supply unit is of a type according to the number of lamps. One of the different socket bases is attached, and each socket base is attached with a number of lamp sockets corresponding to the number of lamps. In the case of multiple lamps, a plurality of lamp sockets are arranged in the width direction. The appliance main body is characterized in that a notch is provided in a portion where a socket base for a plurality of lamps is located on both sides in the width direction.

  The invention of claim 2 is characterized in that a side wall that overlaps the notch portion of the notch portion in the width direction in the attached state is provided in the power supply unit having a socket base having a smaller width than the instrument body.

  The invention according to claim 3 is characterized in that a positioning unit is provided in the power supply unit including a socket base having a width that is larger than that of the instrument body, and the positioning unit is positioned by contacting the outer edge of the notch in the attached state. .

  According to the first aspect of the present invention, in the power supply unit to which any of the plurality of types of socket bases is attached by providing the notch portions at the portions where the socket bases for the plurality of lamps are located on both sides in the width direction of the instrument body. Even if there is, it can be attached to the fixture body, so the fixture body can be shared for multiple types of power supply units with different numbers of lights, and as a result, only the power supply unit needs to be replaced compared to the conventional example There is an effect that the replacement cost can be reduced and the construction time can be shortened. Also, by arranging lamp sockets with the same shape in the width direction of the fixture body according to the number of lamps, the distance from the fixture body to each lamp socket can be set to the same dimension, so in the vertical direction The shape and dimensions of the reflector can be unified regardless of the number of lamps, and as a result, the design of the lighting fixture can be unified.

  According to the invention of claim 2, in the mounted state, by providing the power supply unit with the side wall that overlaps the notch portion of the notch portion provided in the instrument body in the width direction, the notch portion becomes inconspicuous, and the design is improved. By providing the side wall, the gap is reduced, so that it is difficult to see the inside of the instrument from the gap and it is difficult for dust to enter through the gap.

  According to the invention of claim 3, the power supply unit can be positioned in the width direction with respect to the instrument body by bringing the positioning portion provided in the power supply unit into contact with the outer edge of the notch in the attached state. In addition, there is an effect that shakiness in the width direction can be suppressed.

  An embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the lighting fixture of the present embodiment uses any one of a plurality of types (three types in the present embodiment) of power supply units 2 including a number of lamp sockets 8 corresponding to the number of lamps 4. The lighting fixture is attached to a raceway 12 fixed to a building with bolts 13 and used to illuminate a room (for example, a factory). In the following description, the direction of the arrow ab in FIG. 1 will be described as the vertical direction and the direction of the arrow cd as the horizontal direction unless otherwise specified.

  The lighting fixture includes a fixture main body 1 provided with attachment pieces 5 for attachment to the raceway 12 at both ends in the left-right direction, a power supply unit 2 attached to the fixture main body 1, a straight tube lamp 4, and a lamp 4 And a reflection plate 3 for reflecting the irradiation light from.

  As shown in FIG. 1, the raceway 12 has a long shape extending in the left-right direction and is formed in a substantially U-shape in sectional view with an opening on the lower side, and bends the end portions on both sides in the width direction inwardly. Thus, the groove 12a is formed over the entire length. The raceway 12 is attached to a ceiling surface (not shown) using bolts 13. Here, a mounted portion is constituted by the raceway 12.

  As shown in FIG. 1, the instrument body 1 has a case body 1a formed in an elongated, substantially rectangular box shape that extends in the left-right direction and has an open bottom surface. A substantially rectangular wire insertion hole 1b for allowing the cable 14 wired from the ceiling surface to pass therethrough is provided in the (opposite part). Further, projecting base portions 6 projecting downward are provided near both ends of the case body 1a in the left-right direction, and screw holes 6a into which fixing screws 18 are screwed are provided on the bottom surfaces of the respective projecting base portions 6. ing. Further, attachment pieces 5 bent in a U-shape are extended in the left-right direction at both left and right ends of the case body 1a, and fixing screws for attaching to the raceway 12 are attached to the attachment pieces 5, respectively. A screw insertion hole 5a through which 15 is inserted is provided. Further, notches 1c for arranging socket bases 7 for a plurality of lamps attached to a power supply unit 2 to be described later are provided on the side walls on both sides in the width direction at both left and right ends of the case body 1a. .

  As shown in FIG. 1, the power supply unit 2 has a case main body 2a formed by bending down four sides of a main piece of an elongated substantially rectangular plate extending in the left-right direction. A screw insertion hole 2b is provided through a portion corresponding to the hole 6a. A projecting base portion 9 projecting downward is provided inside each screw insertion hole 2b, and a screw hole 9a into which a fixing screw 19 is screwed is provided on the bottom surface of each projecting base portion 9. Further, a terminal block 10 to which the cable 14 is connected is housed in a portion corresponding to the wire insertion hole 1b in the case main body 2a, and further, a lighting power is supplied to the lamp 4 on the right side of the terminal block 10. A ballast 11 is housed. In addition, the terminal block 10 is arrange | positioned so that an electric wire connection surface may face the said electric wire insertion hole 1b, and the cable 14 can be connected through the electric wire insertion hole 1b. Further, in the power supply unit 2 for three lamps in FIG. 1, two ballasts 11 are accommodated so that lighting power can be supplied to the three lamps 4. Further, the output end of the terminal block 10 and the input end of the ballast 11 are electrically connected via an electric wire (not shown), and commercial power is supplied from the terminal block 10 to the ballast 11. ing.

  Here, the lighting fixture of the present embodiment is configured to be compatible with lamps 1 to 3 as shown in FIG. 1, and is provided at both left and right ends of the case body 2 a of the power supply unit 2. One of a plurality of types (three types in this embodiment) of socket bases 7 to which the number of lamp sockets 8 corresponding to the number of lamps 4 is attached is attached. That is, the power supply unit 2 is provided with a plurality of types (three types in this embodiment) having different socket bases 7 according to the number of lamps. Here, the socket base 7 is formed in a substantially rectangular box shape as shown in FIG. 1, and extends in the width direction of the case body 2a (the width direction of the instrument body 1) according to the number of the lamp sockets 8 to be attached. Established. That is, when the lamp 4 is a plurality of lamps, the lamp sockets 8 are arranged side by side in the width direction of the case body 2a. Note that the corresponding lamp socket 8 (the lamp socket to which the same lamp 4 is mounted) is attached to the socket base 7 with the connection surfaces 8a of the lamps 4 facing each other.

  As shown in FIG. 1, the reflecting plate 3 has a substantially rectangular plate-shaped main piece 3c extending in the left-right direction, and inclined surfaces 3d inclined obliquely downward are folded at both ends in the width direction of the main piece 3c. A song is formed. Further, notches 3a for disposing the lamp sockets 8 are respectively provided at both left and right end portions of the main piece 3c, and screw insertion holes 3b are provided in portions corresponding to the screw holes 9a in the main piece 3c. Has been. As shown in FIG. 1, the reflector 3 of the present embodiment can be shared with the power supply unit 2 for one lamp and the power supply unit 2 for two lamps. Another reflector 3 is prepared.

  As shown in FIG. 1, the lamp 4 has a straight tube-like arc tube 4a extending in the left-right direction, and a cap portion 4b having a pair of lamp pins 4c projecting from both ends in the left-right direction of the arc tube 4a. Is provided.

  FIG. 2 shows a one-lamp type lighting apparatus according to this embodiment. The positions of the case body 1a of the apparatus body 1 and the case body 2a of the power supply unit 2 are aligned, and each fixing screw 18 is inserted into the corresponding screw insertion hole 2b. When it is inserted and screwed into the screw hole 6a, the power supply unit 2 is attached to the instrument main body 1, and the state shown in FIG. In FIG. 2, the reflector 3 and the lamp 4 are omitted. Here, the socket base 7 is slightly smaller in width than the case body 1a of the instrument body 1, and the side walls 7a, 7a on both sides in the width direction are substantially the same as the notch portions 1c formed on the side walls of the case body 1a. In a state where the power supply unit 2 is attached to the instrument main body 1 as shown in FIG. 3A, the side wall 7a is disposed so as to overlap the notch 1c in the width direction. Thus, the side wall 7a makes the cutout portion 1c of the case body 1a inconspicuous, so that the design of the lighting fixture is improved. Further, the side wall 7a reduces the gap in the cutout portion, making it difficult to see the inside of the fixture from the gap. It becomes difficult for dust to enter through.

  Furthermore, the socket base 7 for one lamp is such that the gap d1 in the width direction with the case main body 1a becomes the minimum dimension in consideration of variation in the dimensions of each component in the mounting state shown in FIG. The width dimension is set, and by setting the width dimension of the socket base 7 in this way, the intrusion of dust from the notch 1c can be further reduced.

  Next, FIG. 4 shows a two-lamp type lighting fixture in the present embodiment. Like the single-lamp type lighting fixture shown in FIG. 2, the case main body 1a of the fixture main body 1 and the case main body of the power supply unit 2 are shown. When the positions of 2a are aligned and each fixing screw 18 is inserted into the corresponding screw insertion hole 2b and screwed into the screw hole 6a, the power supply unit 2 is attached to the instrument body 1, and the state shown in FIG. Become. At this time, the socket base 7 is disposed along the notch 1c formed in the case body 1a, and the lamp sockets 8 are disposed side by side along the width direction of the instrument body 1. Here, on the upper surface 7b of the socket base 7, positions corresponding to the side walls on both sides in the width direction of the case main body 1a are respectively provided with positioning portions 7c formed in a protruding table shape by cutting a part of the upper surface 7b. In the state where the power supply unit 2 is attached to the instrument body 1, it comes into contact with the side wall of the case body 1 a from the outside. Thus, as shown in FIGS. 5 and 6, the socket base 7 is positioned from both sides in the width direction by the positioning portions 7c, and the movement in the width direction (the direction of arrow CD in FIG. 6B) is performed. In addition to being regulated, rattling in the width direction can be suppressed. In the above description, a two-lamp type lighting fixture has been described as an example, but the same applies to a three-lamp type.

  Here, the assembly procedure of the lighting fixture of this embodiment is demonstrated based on FIG. In addition, the terminal block 10 and the ballast 11 are demonstrated as what is previously attached to the case main body 2a. First, the positions of the case main body 1a of the instrument main body 1 and the case main body 2a of the power supply unit 2 are aligned, and the fixing screws 18 are inserted into the corresponding screw insertion holes 2b and screwed into the screw holes 6a. The case body 2a is assembled. Then, after disposing the reflecting plate 3 at a predetermined position, the fixing screws 19 are inserted into the corresponding screw insertion holes 3b and screwed into the screw holes 9a, and the reflecting plate 3 is assembled to the case body 2a. Finally, when each cap portion 4b is attached to the corresponding lamp socket 8 and the lamp 4 is attached to the case body 2a, the assembly of the lighting fixture is completed.

  Here, the case main body 1a, the case main body 2a, and the reflector 3 are formed to have substantially the same length, and in a state where the lighting fixture is assembled, each mounting piece 5 is located on the outermost side, and after the lighting fixture is assembled, It can be attached to the raceway 12.

  Next, a procedure for attaching the lighting fixture to the raceway 12 will be described with reference to FIG. First, after each electric wire of the cable 14 is connected to the terminal block 10 through the electric wire insertion hole 1b, the screw portion 15a of each fixing screw 15 held by the raceway 12 is inserted into the screw insertion hole 5a of the corresponding mounting piece 5. When a washer (not shown) is inserted into the screw portion 15a from the lower side and a wing nut (not shown) is screwed, the lighting fixture is fixed to the raceway 12.

  In the lighting fixture of the present embodiment, the notch portion 1c is formed at a portion where the socket base 7 for a plurality of lamps (for two or three lamps in the present embodiment) is located on the side walls on both sides in the width direction of the case main body 1a of the fixture main body 1. Since the power supply unit 2 to which any of a plurality of types (three types in this embodiment) of the socket bases 7 is attached can be attached to the instrument body 1, a plurality of types with different numbers of lamps can be provided. The appliance body 1 can be shared with the power supply unit 2, and as a result, only the power supply unit 2 needs to be replaced as compared with the conventional example, so that the replacement cost can be reduced and the construction time can be shortened. Further, the lamp sockets 8 having the same shape are arranged side by side in the width direction of the fixture body 1 in accordance with the number of lamps 4 so that the distance d2 from the fixture body 1 to each lamp socket 8 (see FIG. 6B). Can be set to the same size, the shape and size of the reflector 3 in the vertical direction can be unified regardless of the number of lamps 4, and as a result, the design of the lighting fixture can be unified.

  In the present embodiment, the case where the positioning portion is configured by the positioning portion 7c formed in a protruding base shape by cutting and raising a part of the upper surface 7b of the socket base 7 has been described as an example. 7 and 8, for example, as shown in FIGS. 7 and 8, side walls 7d positioned at both ends in the left-right direction of the case body 1a are extended upward to form a positioning portion, or the upper surface 7b of the socket base 7 is formed. The positioning portion may be constituted by a plate-shaped positioning piece 7e formed by cutting and raising a part of the positioning portion. In the present embodiment, the case where the positioning portions are provided on both sides in the width direction with respect to the case main body 1a has been described as an example, but the positioning portion may be only on one side.

  Furthermore, in this embodiment, although the electric wire penetration hole 1b is formed in the substantially rectangular shape, the shape of an electric wire penetration hole is not limited to this embodiment, Shapes other than rectangular shape may be sufficient.

It is the schematic which shows the whole structure of the lighting fixture of this embodiment. The same as in the case where one lamp is omitted is shown above, (a) is an exploded perspective view, and (b) is a perspective view. The same as in the case of a single lamp is shown, and (a) and (b) are fragmentary detail views that are partially broken. The same as in the case where two lamps are omitted is shown above, (a) is an exploded perspective view, and (b) is a perspective view. The same as the case where there are two lamps is shown, (a) is a perspective view seen from above, and (b) is a detailed view of part A. FIG. The same as in the case of two lamps is shown, and FIGS. Another example of the above in the case of two lamps is shown, (a) is a perspective view seen from above, (b) is a detailed view of B section, (c) is a detailed view of B section in another case. . The other example same as the above in the case of two lamps is shown, (a), (b) is a detail view of a main part that is partially broken. It is a disassembled perspective view which shows the lighting fixture of a prior art example. It is a disassembled perspective view which shows another example same as the above. It is a disassembled perspective view which shows another example same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Instrument main body 1c Notch part 2 Feeding unit 4 Lamp 7 Socket stand 8 Lamp socket 12 Raceway (attachment part)

Claims (3)

  A long tool body to be attached to the attachment portion and a power supply unit to be attached to the tool body, the power supply unit being one of the socket bases of different types depending on the number of lamps The number of lamp sockets corresponding to the number of lamps is attached to each socket base, and in the case of multiple lamps, a plurality of lamp sockets are attached side by side in the width direction. Is a luminaire characterized in that a notch is provided in a portion where a socket base for a plurality of lamps is located on both sides in the width direction.   The lighting fixture according to claim 1, wherein a side wall that overlaps the cutout portion of the cutout portion in the width direction in the attached state is provided in the power supply unit including a socket base having a width dimension smaller than that of the fixture main body.   The positioning unit for positioning the power supply unit having a socket base larger in width than the instrument body by contacting the outer edge of the notch in an attached state. Lighting fixtures.

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