JP2013175416A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture of an upper and lower light distribution type, in which manufacturing cost is reduced, a complex processing is done away with, and an amount of luminous flux to an upper part is secured.SOLUTION: A lighting fixture 1 includes a straight-tube type light source, a socket 3 which supports both ends of the straight-tube type light source, a terminal table 4 for receiving electric power from the outside, and a case 5 which houses the straight-tube type light source, the socket 3, and the terminal table 4. The case 5 has a pair of side-face plates 6 arranged in opposition to each other and a fixing part 7 which is installed at both ends in a longitudinal direction of the side-face plates 6 to fix the same 6. The side-face plates 6 have grooves 6a, 6b which extend along a longitudinal direction of the side-face plates 6 on the opposed inner face and fix the fixing part 7. With this structure, the upper and lower light distribution type lighting fixture 1 can reduce its manufacturing cost, does away with complex processing, and can secure an amount of luminous flux to the upper part.

Description

  The present invention relates to a lighting fixture that is used by being suspended from a ceiling surface, and particularly relates to a vertical light distribution type lighting fixture capable of connecting a plurality of units.

  Conventionally, lighting fixtures suspended from the ceiling surface have been used. For example, the lighting fixture 20 shown to Fig.12 (a) is provided with the aluminum extrusion material 20a whose vertical cross section is concave shape, and the main-body part 20b accommodated in this aluminum extrusion material 20a.

  The main body portion 20b is processed by sheet metal, and accommodates a pair of sockets and other lighting devices that support both ends of the straight tube light source. The aluminum extruded material 20a has a function as an external cover (decoration) that covers the main body portion 20b because it has a high-quality image because the material feeling is preferred. Moreover, as shown in FIG.12 (b), the aluminum extrusion material 20a and the main-body part 20b have the some opening 20c in the upper surface, and enable the upper ceiling surface to be irradiated through this opening 20c. In addition, in the lighting fixture with a small cross-sectional shape, it can also comprise only the aluminum extrusion material which accommodated various fixtures in the inside, without having a main-body part.

  Moreover, the lighting fixture 20 can be connected to an arbitrary length through a connection hole or the like in accordance with the size of the illumination space. And the lighting fixture which can cover easily between adjacent lighting fixtures with the connection tool of a simple structure is also known (for example, refer patent document 1).

JP 2009-259700 A

  However, in the conventional lighting fixture 20 described above, the extruded aluminum material 20a has a high-quality image because it has a feeling of material, but there is a problem that the cost for molds increases as the cross section becomes larger. In addition, the production amount of the aluminum extruded material 20a is difficult to deal with a small lot, and it is desired to make the aluminum extruded material used for lighting fixtures common. Furthermore, since the conventional lighting fixture 20 has the aluminum extruded material 20a and the main body portion 20b having a concave vertical cross section, the size in the width direction cannot be changed, and therefore, it cannot be developed for multiple lighting or the like. There is also.

  Further, the processing of the aluminum extruded material 20a requires complicated processing such as counterboring processing and notch processing other than cutting processing and mounting hole processing, and there is a problem that it cannot be handled without a dedicated processing die. Further, in the lighting fixture 20 of the upper and lower light distribution type, it is necessary to process the opening 20c in the upper part in order to secure the amount of upward light flux. If the opening 20c becomes too large, the strength becomes insufficient and the lighting fixture 20 is deformed. there's a possibility that.

  Furthermore, when attaching a power cord etc. to the terminal block with which the lighting fixture 20 is equipped, there also exists a problem that workability | operativity is bad depending on the attachment direction of a terminal block.

  The present invention has been made in view of the above problems, and is a vertical light distribution type that reduces manufacturing costs, does not require complicated processing, and can ensure not only direct downward illumination but also the amount of luminous flux upward. An object of the present invention is to provide a lighting apparatus.

  It is another object of the present invention to provide a lighting fixture of a vertical light distribution type that has a feeling of continuous unity when a plurality of units are connected, and a gap between the connecting portions is not conspicuous.

  In order to achieve the above object, a lighting apparatus according to the present invention includes a straight tube light source, sockets for supporting both ends of the straight tube light source, a terminal block for receiving power from the outside, and the straight tube light source. And a housing that houses a light source, a socket, and a terminal block, wherein the housing is provided with a pair of side plates opposed to each other and at both ends in the longitudinal direction of the side plates. And the side plate has a groove for extending the longitudinal direction of the side plate on the opposite inner surface to fix the fixing unit.

  In this lighting fixture, it is preferable that the terminal block is locked to the groove portion of the side plate and is rotatable about the locking portion.

  In this lighting apparatus, it is preferable that the socket is supported by the fixing portion.

  In this lighting apparatus, it is preferable that the casing has a frame shape in which an upper surface and a lower surface are opened by the pair of side plates and a fixing portion, and an upper panel is provided in the upper surface opening.

  In this luminaire, an auxiliary reflector that is fixed to the fixing portion and reflects the light of the straight tube light source outward, and provided on a lower surface opening of the housing, the light of the straight tube light source is directed outward. A louvered reflecting plate that reflects to the auxiliary reflecting plate, and the auxiliary reflecting plate is used as a connecting member at a connecting portion between the auxiliary reflecting plate used at an end portion not connected to another lighting fixture and the other lighting fixture. It is preferable that an intermediate auxiliary reflector that is used and fixed across the adjacent fixing portions is included.

  In this lighting fixture, the side plate is preferably made of an aluminum extruded material.

  According to the lighting fixture of the present invention, the housing of the lighting fixture includes a pair of side plates having grooves extending along the longitudinal direction on the opposing inner surface, and fixed portions fixed to the grooves at both longitudinal ends of the side plates. Make up the body. For this reason, the manufacturing cost of a lighting fixture can be reduced, a complicated process is not required, and the amount of luminous flux upward can be secured.

(A) The perspective view of the state which suspended the lighting fixture which concerns on embodiment of this invention on the ceiling surface, (b) The perspective view of the downward side of a lighting fixture same as the above. (A) The top view of a lighting fixture same as the above, (b) The side view of a lighting fixture same as the above, (c) The bottom view of a lighting fixture same as the above. (A) The exploded perspective view of the housing | casing of a lighting fixture same as the above, (b) The upper perspective view of a lighting fixture same as the above, (c) The lower perspective view of a lighting fixture same as the above. It is the sectional view on the AA line of Fig.2 (a). (A) Side view of a side plate constituting the same lighting fixture, (b) Side view of a fixing portion constituting the lighting fixture, (c) Side view of a state in which the same fixing portion is locked to the same side plate. . It is a perspective view inside the housing | casing of a lighting fixture same as the above. (A) A side view of a reflector with a louver provided in the same illuminator, (b) a front view of the reflector with a louver, and (c) a plan view of the reflector with a louver. (A) It is an enlarged view of the terminal block part accommodated in a lighting fixture same as the above, (b) It is sectional drawing of a terminal block part same as the above. (A) is a plan view including the connecting portion of the same lighting fixture, (b) is a side view including the connecting portion of the lighting fixture, (c) is a bottom view including the connecting portion of the lighting fixture, and (d) is ( a) It is the sectional view on the A'-A 'line of a figure. (A) Side view of an intermediate auxiliary reflector provided in the same lighting fixture, (b) Front view of the intermediate auxiliary reflector, (c) Plan view of the intermediate auxiliary reflector. (A) And (b) The side view and front view of the state which suspended the same lighting fixture on the stainless wire, (c) And (d) is the side view and front view of the state which installed the lighting fixture on the raceway. It is. (A) It is a perspective view of the conventional lighting fixture, (b) It is a top view of the conventional lighting fixture.

  A lighting apparatus according to an embodiment of the present invention will be described with reference to the drawings. As shown to Fig.1 (a), the lighting fixture 1 which concerns on this Embodiment has the housing | casing 5 used as a fixture housing, for example, is suspended by the ceiling surface via hanging tools, such as a stainless wire, and the downward direction is carried out. It is a vertical light distribution type luminaire that not only irradiates, but also the upper luminous flux irradiates the ceiling surface.

  As shown in FIGS. 1B and 2, the luminaire 1 includes a straight tube light source 2, sockets 3 that support both ends of the straight tube light source 2, and a terminal block for receiving electricity from the outside. 4, and a straight tube type light source 2, a socket 3, and a housing 5 that accommodates the terminal block 4. The housing 5 includes a pair of side plates 6 disposed to face each other, and fixing portions 7 that are provided at both longitudinal ends of the side plates 6 and fix the side plates 6. The louvered reflector 9 is fixed using a knob screw 11 so as to cover the lower opening surface of the housing 5.

  The straight tube light source 2 is a straight tube fluorescent lamp, a straight tube LED lamp, or the like, and is attached to the socket 3 supported by the fixing portion 7 of the lighting fixture 1. The socket 3 supports a base provided at both ends of the straight tube type light source 2. In addition, what performs the attachment / detachment operation of the straight tube | pipe type light source 2 by a rotary type, what pushes in, etc. are applied to the socket 3. FIG.

  The side plate 6 is formed into a plate shape by, for example, an aluminum extruded material, and has a function as a shade for controlling light from the straight tube light source 2. As shown in FIGS. 3, 4, and 5 (a), the side surface plate 6 has grooves 6 a and 6 b that extend along the longitudinal direction of the side surface plate 6 for fixing the fixing portion 7. Have. That is, the side surface plate 6 has protrusions 6c to 6f extending along the longitudinal direction of the side surface plate 6 on the opposing inner surface, and a fixed portion between the adjacent protrusions 6c and 6d and 6d and 6e. 7 and groove portions 6a and 6b to which the terminal block portion 4 is locked are formed. With the configuration of the side plate 6, the aluminum extruded material mold section used in the lighting fixture 1 can be made small to reduce the amount of aluminum used. Further, the side plate 6 can be manufactured only by cutting the aluminum extruded material, and special counterbore processing and notch processing using a dedicated processing die can be omitted. The locking structure formed on the side plate 6 is not limited to the shape of the grooves 6a and 6b, but may be any shape that can lock the fixing portion 7 such as a convex shape or a hook shape.

  The fixing portion 7 is made of a steel sheet metal member such as a galvanized steel plate, and is fixed to grooves 6 a and 6 b formed in the side plate 6 at both longitudinal ends of the side plate 6. As shown in FIG. 5B, the fixing portion 7 has a plurality of protrusions 7 a to 7 c on the surface facing the side plate 6. The convex protrusion 7a is fitted into the groove 6a, and the semicircular protrusions 7b and 7c are fitted into the groove 6b. Further, as shown in FIGS. 3 (a) and 5 (c), the protrusion 7a of the fixing portion 7 and the protrusion 6c of the side plate 6 are fixed by screws 7e from above, so that they are integrated. A casing 5 having a frame shape is configured. With this configuration, the luminaire 1 can secure the amount of light from the upper opening, and the fixing unit 7 is housed in both ends in the longitudinal direction of the pair of opposing side plates 6 so as to be invisible from the outside. can do.

  As shown in FIG. 3B, the fixing portion 7 is formed with a wiring insertion hole 7g through which an electric wire or a signal line is inserted. Further, in the end portion that is not connected to the other lighting fixtures 1, as shown in FIG. 1B, a dedicated end plate 5 a is fixed to the connection hole 7 d of the fixing portion 7 with screws.

  As shown in FIG. 3, the housing 5 has a frame shape in which an upper surface and a lower surface are opened by a pair of side plates 6 and a fixing portion 7. The housing 5 has a socket 3 and a terminal block portion that is a lighting device. 4. A diffusing panel (top panel) 8, a louvered reflector 9 and an auxiliary reflector 10 are attached. As shown in FIGS. 2 and 3 (b), the diffusion panel 8 is installed on the protrusion 6c on the upper surface opening side of the housing 5, and the longitudinal direction of the diffusion panel 8 using the engaging members 7f at both longitudinal ends. Is fixed to the fixing portion 7. For the diffusion panel 8, for example, an acrylic panel transparent mat, a milky white panel having a transmittance of 70 to 80%, or the like is used. On the other hand, a reflector 9 with a louver is attached to the lower surface opening of the housing 5 using a knob screw 11 as shown in FIGS. 1 (b) and 2 (c).

  Next, the internal structure of the lighting fixture 1 will be described. As shown in FIG. 6, the auxiliary reflector 10 that reflects the light of the straight tube light source 2 outward is fixed to the fixing portion 7 inside the luminaire 1 with screws 10a. The auxiliary reflector 10 is used in an end portion that is not connected to the other luminaire 1, and has a screw hole 10 b through which the knob screw 11 (FIG. 1B) is inserted and an opening 10 c through which the socket 3 is inserted. It is formed.

  As shown in FIG. 1B and FIG. 6, the louvered reflector 9 is provided in the lower opening of the housing 5 and has a role of reflecting light from the straight tube light source 2 outward. The louvered reflector 9 is rotated and attached to the housing 5 as shown by an arrow Y1 so as to cover the lower opening surface of the housing 5, and has a screw hole 9a for inserting the knob screw 11. The auxiliary reflector 10 is detachable.

  Further, as shown in FIG. 7, the louvered reflecting plate 9 has a pair of inclined surfaces 9b inclined from the side plate 6 toward the straight tube light source 2 side, and the pair of inclined surfaces 9b has a longitudinal direction. A plurality of louvers 9c are provided at predetermined intervals along the line. The louvered reflector 9 and the auxiliary reflector 10 are coated with, for example, highly reflective white powder in order to efficiently irradiate the light from the straight tube light source 2 to the outside of the lighting fixture 1 from the lower opening. The

  Next, the attachment structure of the terminal block part 4 built in the lighting fixture 1 is demonstrated. As shown in FIG. 8A, one end of the terminal block 4 is locked to the mounting plate 4a fixed to the groove 6b of the side plate 6 using a knurled screw 12 and the slit-shaped groove 13; And a terminal block 4b fixed to the mounting plate portion 4a with a fixing screw 14. The terminal block 4 is a lighting device, such as a power supply terminal block or a signal line terminal block.

  Then, as shown in FIG. 8B, the terminal block 4b rotates in the direction indicated by the arrow Y2 with the locking portion between the groove 13 and the terminal block 4b as an axis, with the fixing screw 14 removed. It is possible. Therefore, when connecting an electric wire or a signal line to the terminal block 4b, the fixing screw 14 is loosened and the terminal block 4b is rotated in a predetermined direction to facilitate operations such as a driver operation and an insertion position confirmation operation. it can. The terminal block 4 also includes a ballast that controls lighting of the straight tube light source 2.

  Next, the structure of the connection part of the lighting fixture 1 is demonstrated. As shown in FIGS. 9 and 10, the connecting portions of the adjacent lighting fixtures 1 are fixed over the adjacent fixing portions 7 and are longer in the longitudinal direction than the auxiliary reflector 10 used for the end portion. The intermediate auxiliary reflector 15 is used as a connecting member. In addition, in FIG. 10, D has shown the connection part of the lighting fixture 1 which adjoins. A mounting bracket 17 is fixed with screws to the fixing portion 7, and a stainless wire 16 is mounted in a mounting hole 17 a formed in the mounting bracket 17. Further, in the case of performing the steadying process of the lighting fixture 1, the steadying wire 16 a is attached to the spare hole 17 b of the mounting bracket 17. Similarly to the auxiliary reflector 10, the intermediate auxiliary reflector 15 fixes the screw hole 15 a through which a screw for fixing to the fixing portion 7 is inserted, the opening 15 b through which the socket 3 is inserted, and the auxiliary reflector 9 with louver. There is a screw hole 15c through which the knob screw 11 is inserted. Thus, the lighting fixture 1 uses the intermediate | middle part auxiliary | assistant reflecting plate 15, When the lighting fixture 1 is connected, the clearance gap between the reflecting plates 9 with a louver of a connection part is not conspicuous, and linearity with a continuous unity feeling Can achieve an excellent appearance.

  Next, the structure which suspends the lighting fixture 1 which connected several units | sets on a ceiling surface etc. is demonstrated. In the case shown in FIGS. 11A and 11B, the luminaire 1 is suspended from the ceiling surface using the stainless steel wire 16 attached to the mounting bracket 17. Note that, in addition to the wire suspension using the stainless steel wire 16, a bolt suspension using a bolt suspension can be applied to the lighting fixture 1.

  FIG.11 (c) and (d) have shown the case where the lighting fixture 1 is installed using the raceway 18 which is a special hanging tool. The raceway 18 is a metal member that is used by being suspended from the ceiling surface in order to fix the lighting fixture 1 in a parking lot without a ceiling and to supply a power line and a signal line. By installing the luminaire 1 using the raceway 18, the luminaire 1 can be easily moved and moved on the raceway 18, and the layout can be easily changed.

  As described above, in the luminaire 1 according to the present embodiment, the fixing portion 7 is locked to the grooves 6a and 6b at both ends in the longitudinal direction of the pair of side plates 6 formed of an aluminum extruded material. For this reason, the cross section of the aluminum extrusion material used for the side plate 6 becomes small, and the mold cost can be suppressed.

  Further, in the present invention, the housing 5 of the lighting fixture 1 has a frame shape formed by the pair of side plates 6 and the fixing portion 7, so that the upper opening can be enlarged and the amount of the upper luminous flux can be secured. The width direction of the luminaire 1 can be set to an arbitrary width, and can be more easily developed for different widths, multiple lamps, and the like.

  Further, when a plurality of lighting fixtures 1 are connected, the adjacent auxiliary lighting fixtures 1 can be connected by fixing the intermediate auxiliary reflection plate 15 to the fixing portion 7 with screws, and the gap between the louvered reflection plates 9 at the connecting portion. Is not conspicuous, and it is possible to realize the luminaire 1 having a continuous unity and excellent linearity.

  Furthermore, the terminal block 4 is locked to the groove 6b of the side plate 6 and can be rotated around an axis along the locking portion, so that it can be used at the time of electric wire connection such as driver work or pinching position check work. Work efficiency can be improved.

  The present invention is not limited to the configuration of the embodiment described above, and various modifications can be made without departing from the spirit of the invention. For example, the shapes of the side plate 6, the fixing portion 7, the louvered reflector 9, the auxiliary reflector 10, and the like used in the above embodiment are not limited to those illustrated, and can be changed as appropriate.

DESCRIPTION OF SYMBOLS 1 Lighting fixture 2 Straight tube type light source 3 Socket 4 Terminal block part 4a Mounting plate part 4b Terminal block 5 Case 6 Side plate 6a, 6b Groove part 6c, 6d, 6e, 6f Projection part 7 Fixing part 8 Diffusion panel (upper surface panel) )
9 Reflector with louver 10 Auxiliary reflector 11 Knob screw 15 Intermediate auxiliary reflector 16 Stainless wire 17 Mounting bracket 18 Raceway

Claims (6)

A straight tube light source,
Sockets for supporting both ends of the straight tube light source;
A terminal block for receiving power from outside,
In a lighting fixture comprising the straight tube type light source, a socket, and a housing for accommodating a terminal block,
The housing includes a pair of side plates disposed to face each other, and fixing portions that are provided at both longitudinal ends of the side plates and fix the side plates.
The said side plate has a groove part for fixing the said fixing | fixed part extended along the longitudinal direction of the said side plate to the opposing inner surface, The lighting fixture characterized by the above-mentioned.   The lighting device according to claim 1, wherein the terminal block is locked to the groove portion of the side plate and is rotatable about the locking portion.   The lighting apparatus according to claim 1, wherein the socket is supported by the fixing portion.   The said housing | casing is a frame shape which the upper surface and the lower surface opened by the said pair of side plate and fixing | fixed part, The upper surface panel was provided in the said upper surface opening, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. The lighting fixture according to one item. An auxiliary reflector that is fixed to the fixing portion and reflects light of the straight tube light source outward;
A louvered reflector that is provided at the lower surface opening of the housing and reflects the light of the straight tube light source outward; and
The auxiliary reflector is used as a connecting member at a connecting portion between the auxiliary reflector used at the end portion not connected to another lighting fixture and the other lighting fixture, and is fixed over the adjacent fixing portion. The lighting fixture according to claim 4, further comprising an intermediate auxiliary reflector.   The lighting device according to claim 1, wherein the side plate is made of an aluminum extruded material.

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