JP6403063B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture, and more particularly, to a lighting fixture including an emergency light source that is turned on when a power failure occurs in an external power source.

  Conventionally, an emergency lighting fixture using a light emitting element such as an LED as a light source has been provided (for example, see Patent Document 1). The emergency lighting fixture described in Patent Document 1 includes a light source, a light source board, a charging circuit board, a lighting circuit board, a storage battery, a fixture body, and a cover.

  The instrument body is formed in a cylindrical shape having an open bottom surface, and the bottom surface opening is closed by a cover made of a light-transmitting material. Further, the inner space of the appliance main body is vertically separated by a partition wall, the light source, the light source board and the charging circuit board are stored in the lower space, and the lighting circuit board and the storage battery are stored in the upper space.

  The light source is composed of, for example, a plurality of LEDs, and is mounted on the surface of the light source substrate. The light source substrate is a metal substrate formed of aluminum, copper, or the like, and is electrically connected to the charging circuit substrate via an electric wire. The charging circuit board is electrically connected to the lighting circuit board via an electric wire. That is, the light source board and the lighting circuit board are electrically connected via the charging circuit board.

  Here, the lighting circuit board uses the storage battery as a power source at the time of a power failure of the commercial power source, and generates lighting power for lighting the light source. And the lighting electric power produced | generated with the lighting circuit board is output to a light source board via an electric wire and a charging circuit board, and the light source mounted in the light source board is lighted.

JP 2012-185932 A

  In the structure in which the lower surface opening of the instrument main body is closed with a cover, as in the emergency lighting apparatus described in Patent Document 1 described above, the cover is generally screw-fixed to the instrument main body and is firmly fixed. Can do. However, in this case, since a work for fastening a plurality of screws is necessary, there is a possibility that the work time at the time of assembly and maintenance at the factory becomes long.

  This invention is made | formed in view of the said problem, and it aims at providing the lighting fixture which shortened the working time at the time of the assembly in a factory, or a maintenance.

  The lighting fixture of the present invention includes a long fixture body attached to the surface of a construction material, a first light source unit attached to the fixture body and capable of lighting in a state where an external power supply is normally supplied, and the fixture A second light source unit that is attached to the instrument main body side by side with the first light source unit in the longitudinal direction of the main body, and that is turned on when the external power supply fails. The second light source unit includes a light source unit and the light source unit. A base to be attached; a cover arranged to cover the light source part; a holding member attached to the base for holding the cover; and an emergency power source for supplying power to the light source part in the event of a power failure of the external power source. The base is disposed such that the longitudinal direction thereof is the longitudinal direction of the instrument body, and the bottom wall portion has a rectangular plate shape to which the light source portion is attached, and the width of the bottom wall portion. A pair of standing wall portions projecting from both ends in the opposite direction to the light source portion, and a power supply accommodating portion comprising a space surrounded by the bottom wall portion and the pair of standing wall portions, It is housed in the power supply housing portion so as not to overlap the holding member attached to at least one end portion in the longitudinal direction of the base.

  According to the configuration of the present invention, there is an effect that it is possible to provide a lighting apparatus that shortens the working time at the time of assembly in a factory or maintenance.

It is a whole perspective view of the lighting fixture which concerns on embodiment of this invention. 2A is a front view of a lighting apparatus according to an embodiment of the present invention, FIG. 2B is a top view, and FIG. 2C is a left side view. It is a disassembled perspective view of the lighting fixture which concerns on embodiment of this invention. It is sectional drawing of the lighting fixture which concerns on embodiment of this invention. It is a disassembled perspective view of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is another exploded perspective view of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is a whole perspective view of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is a top view of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is another top view of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is a side view of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is a top view of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is sectional drawing of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is another sectional drawing of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is a top view including the support member of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is a perspective view including the supporting member of the emergency light source unit used for the lighting fixture which concerns on embodiment of this invention. It is the top view which abbreviate | omitted a part of the state which removed the common light source unit from the lighting fixture which concerns on embodiment of this invention.

  A lighting fixture 10 according to an embodiment of the present invention will be specifically described with reference to FIGS. However, the configuration described below is merely an example of the present invention, and the present invention is not limited to the following embodiment. Therefore, various modifications other than this embodiment can be made according to the design and the like as long as they do not depart from the technical idea of the present invention.

  In the following description, unless otherwise specified, the vertical and horizontal directions are defined in the orientation shown in FIG. 4, and the direction perpendicular to the paper surface in FIG. 4 is defined as the front-rear direction (the front side is the front side). Therefore, the longitudinal direction of the instrument body 1 is the front-rear direction, the width direction of the instrument body 1 is the left-right direction, and the height direction of the instrument body 1 is the up-down direction. However, these directions do not define the mounting direction of the luminaire 10.

  The lighting fixture 10 of this embodiment is provided with the fixture main body 1, the regular light source unit 2 (1st light source unit), and the emergency lighting apparatus, as shown in FIGS. The instrument main body 1 is fixed to the suspension bolt 200 and directly attached to the lower surface (surface) of the ceiling material 100 (construction material). The common light source unit 2 is detachably attached to the instrument body 1. The emergency lighting device includes an emergency light source unit 3 (second light source unit) and a control device 4.

  The appliance body 1 is formed into a flat box shape that is long and has an open upper surface (a surface facing the ceiling material 100) by bending it into a sheet metal. Moreover, the instrument main body 1 has the rectangular accommodation recessed part 11 for accommodating the regular light source unit 2 and the emergency light source unit 3 on the opposite side (lower side) to the ceiling material 100 over the entire length in the longitudinal direction (front-rear direction). Is provided. Further, on both sides of the housing recess 11 in the left-right direction (width direction) of the instrument body 1, inclined portions 12 that extend from the opening edge of the housing recess 11 and tilt upward are provided respectively (see FIG. (See FIG. 4).

  Further, the bottom plate 111 of the housing recess 11 is provided with a hole 111 </ b> A for passing an electric wire at a substantially center in the front-rear direction (longitudinal direction). Further, the bottom plate 111 is provided with holes 111B through which the suspension bolts 200 are passed at positions close to both ends in the front-rear direction (see FIG. 3). In addition, it is preferable that the terminal block to which the power wire previously wired by the ceiling back is connected to the lower surface of the baseplate 111 is attached.

  As shown in FIG. 4, the regular light source unit 2 is attached to the mounting member 21 so as to cover the LED module 22, a plurality of (for example, two) LED modules 22, a mounting member 21 to which the LED module 22 is mounted. Cover 23 and a power supply device 24.

  The LED module 22 includes a printed wiring board 221 formed in a rectangular plate shape that is long in the front-rear direction. The printed wiring board 221 has a plurality of LEDs (light emitting diodes) 222 mounted on its lower surface along the front-rear direction (longitudinal direction). In addition, a connector for electrically connecting the power supply device 24 is mounted on the front end portion of the one LED module 22. An electric wire is electrically connected to the connector, and the LED module 22 and the power supply device 24 are electrically connected by electrically connecting the end of the electric wire to the power supply device 24.

  Each LED module 22 is mounted with a power supply connector at an end facing the adjacent LED module 22. The lighting power is relayed from one LED module 22 to the other LED module 22 by connecting the connectors of both LED modules 22 to each other.

  The attachment member 21 is formed in a U shape by bending a sheet metal. The attachment member 21 includes a bottom plate 211 that is formed in a long and rectangular plate shape, and a pair of side plates 212 that extend from both ends in the left-right direction (width direction) of the bottom plate 211 in a vertical direction (a direction orthogonal to the bottom plate 211). Have As shown in FIG. 4, hooks 212 </ b> A that curve in a direction away from each other (outward) are provided at the front ends (upper ends) of the respective side plates 212.

  Moreover, the attachment member 21 has a pair of hook metal fittings extended in the one end side of the width direction in the position near both ends in a longitudinal direction, and a pair of hook springs arrange | positioned at the other end side of the width direction. In addition, the LED module 22 mentioned above is fixed to the attachment member 21 by the nail | claw formed, for example by cutting and raising a part of the baseplate 211 of the attachment member 21. FIG.

  The power supply device 24 includes a power supply board and a storage case 242 for storing the power supply board. The power supply board is a printed wiring board formed in a rectangular plate shape that is long in the front-rear direction. On this printed wiring board, at least circuit components (for example, a transformer, a diode, a capacitor, etc.) 241 necessary for generating the lighting power of the LED 222 are mounted.

  The storage case 242 is formed in a rectangular box shape in which one surface (a surface facing the bottom plate 211 of the mounting member 21) is open and long in the front-rear direction. The storage case 242 is screwed to, for example, the side plate 212 of the mounting member 21 so that the opening side faces the bottom plate 211 of the mounting member 21.

  The cover 23 is formed in a long box shape whose upper surface (surface on the mounting member 21 side) is opened by a diffusible material (for example, milky white acrylic resin). In addition, the cover 23 has a curved surface portion 231 having a convex lens shape in which the amount of protrusion downward increases as it approaches the center from both ends in the left-right direction (width direction) (see FIG. 4).

  As shown in FIG. 4, the cover 23 extends at the both ends in the left-right direction so as to overlap with the opening edge of the housing recess 11 of the instrument main body 1 in the vertical direction in a state where the common light source unit 2 is attached to the instrument main body 1. Each part 232 is provided.

  Further, projecting wall portions 233 projecting upward (on the attachment member 21 side) are provided on the inner sides of the extending portions 232 in the left-right direction of the cover 23, respectively, and the tip ends of the respective projecting wall portions 233. Each has a protrusion 233A protruding inward. Further, near the base of each protruding wall portion 233, support pieces 233B that protrude inward are provided.

  As shown in FIGS. 5 to 13, the emergency light source unit 3 includes an LED module 30, a lens 31, a cover 32, a support member 33, a base 36, and an emergency power supply 5. Further, the emergency light source unit 3 includes a switch block 34, a display unit 35, a spring member 37 (holding member), and a cable holder 38 (cable holding unit). In the following description of the emergency light source unit 3, unless otherwise specified, the directions of up and down, front and rear, and left and right are defined in FIG.

  The LED module 30 includes a mounting substrate 300, a light emitting unit 301, a heat conductive sheet 302, and lead wires 303. The mounting substrate 300 is a printed wiring board formed in a narrow rectangular flat plate shape.

  The light emitting unit 301 includes a plurality of LED chips mounted on the central portion of the upper surface of the mounting substrate 300 and a sealing material that seals the plurality of LED chips. Note that the sealing material is preferably a synthetic resin having translucency and mixed with a fluorescent material.

  In this case, a part of light emitted from the LED chip (for example, blue light) is wavelength-converted with a fluorescent material, and wavelength-converted light (for example, yellow light) and light that has not been wavelength-converted (blue light) As a result, the light emitted from the light emitting unit 301 becomes white light as a whole.

  The heat conductive sheet 302 is formed in a rectangular flat plate shape with a material having electrical insulation and relatively high thermal conductivity, and the mounting substrate 300 is attached to one surface (upper surface).

  The lens 31 is formed of a synthetic resin material (for example, polycarbonate resin or the like) that has translucency and has improved heat resistance (flame resistance) by mixing glass fibers. The lens 31 has an aspherical entrance surface 310 and an exit surface 311 (see FIG. 12), and is a wide-angle light distribution lens that realizes a so-called batwing-shaped light distribution characteristic. The lens 31 has a pair of flanges 312 that protrude outward from the peripheral edges on the lower and left and right sides.

  The emergency power supply 5 includes, for example, a plurality of dry battery type storage batteries 50 and a battery case 51 made of a synthetic resin material that houses the plurality of storage batteries 50 (see FIGS. 12 and 13). However, a heat shrinkable tube may be used as the battery case 51. In addition, it is preferable that the emergency power supply 5 has a connection line in which one end is electrically connected to the positive electrode and the negative electrode of each storage battery 50 and the other end is electrically connected to the plug connector.

  The cover 32 includes a cover body 320, a first cover end 321, and a second cover end 322. The cover body 320 includes a curved surface portion 323, a pair of horizontal portions 325, and a pair of projecting wall portions 324, which are integrally formed of a flame-retardant material (for example, a metal plate such as a zinc steel plate).

  The curved surface portion 323 is formed in a curved surface shape substantially the same as the curved surface portion 231 of the cover 23 of the regular light source unit 2 and has an insertion hole 3230 through which the lens 31 is inserted. In addition, as shown in FIG. 8, it is preferable that the insertion hole 3230 is formed in an octagonal shape when viewed from the vertical direction.

  Furthermore, inclined surfaces 3231 that are inclined downward toward the insertion hole 3230 are formed on the left and right sides of the insertion hole 3230 on the surface (upper surface) of the curved surface portion 323. The insertion hole 3230 is preferably provided so as to be shifted leftward from the center in the left-right direction of the curved surface portion 323 (direction approaching the regular light source unit 2).

  As shown in FIG. 9, each of the pair of horizontal portions 325 has a rectangular flat plate shape, and extends in a direction approaching (inward) from both ends in the front-rear direction (width direction) of the curved surface portion 323. Each of the pair of protruding wall portions 324 has a rectangular flat plate shape, and protrudes downward from the tip of each of the pair of horizontal portions 325.

  In addition, a hooking hole 3240 in which the hooking portion 372 of the spring member 37 is hooked is provided at a position on the right side of each protruding wall portion 324. As shown in FIG. 11, the hooking hole 3240 is formed in a trapezoidal shape such that the opening width becomes narrower from the upper side to the lower side in the vertical direction (the direction in which the cover 32 is attached to and detached from the base 36).

  The first cover end 321 and the second cover end 322 are formed in a semicircular shape from the same material as the cover body 320. Further, the first cover end 321 has a joining piece 3210 (see FIG. 12) protruding leftward, and the joining piece 3210 is joined to the lower surface of the curved surface portion 323 so as to be joined to the cover body 320. Further, the second cover end 322 has a joining piece 3220 (see FIG. 12) protruding rightward, and the joining piece 3220 is joined to the lower surface of the curved surface portion 323 so as to be joined to the cover body 320.

  Further, an L-shaped projecting portion 3221 protruding leftward is provided at the lower end of the second cover end 322 (see FIG. 6). Further, a rectangular protruding portion 3222 is integrally formed at a position near the front end at the lower end of the projecting portion 3221. The protrusion 3222 is formed to protrude outward (left side) from the protrusion 3221 when viewed in the vertical direction, and a circular insertion hole 3223 is provided at the front end of the protrusion 3222.

  In addition, a presser piece 3224 that is rectangular plate-shaped and can be bent along the thickness direction (left-right direction) is integrally formed at the center position in the front-rear direction at the lower end of the projecting portion 3221.

  The base 36 is made of a metal plate material having a high thermal conductivity such as an aluminum plate, and is formed in a square shape having a flat plate portion 360 (bottom wall portion) and a pair of standing wall portions 361 and 362. The flat plate portion 360 is formed in a rectangular flat plate shape that is long in the left-right direction, and two notches 3600 and 3601 having different sizes are formed at both ends in the left-right direction of the flat plate portion 360 (see FIG. 5). It should be noted that the leftmost notch 3600 is preferably smaller in size and the rightmost notch 3601 is preferably larger than the notch 3600.

  Further, the flat plate portion 360 is provided with screw holes 3602 at the left front corner and the right rear corner, respectively. Furthermore, as shown in FIGS. 5 and 12, the flat plate portion 360 is provided with a plurality of (three in the illustrated example) protruding portions 3603. These protrusions 3603 have a support piece 3604 and a pressing piece 3605 as shown in FIG.

  The support piece 3604 is connected to the flat plate portion 360 at one end (left end), and is formed to protrude obliquely downward from the left to the right. The holding piece 3605 is formed so as to protrude from the tip (lower end) of the support piece 3604 in parallel to the flat plate portion 360 and to the right. Note that the tip (right end) of the pressing piece 3605 is preferably bent upward. In addition, these protrusions 3603 are preferably formed by cutting and raising from the flat plate portion 360.

  The pair of standing wall portions 361 and 362 have their upper end portions bent slightly and are connected to the flat plate portion 360 at the upper end portions (hereinafter referred to as guide portions 3610 and 3620). In addition, a fixing portion 363 that protrudes outward along the front-rear direction is provided at the lower end of each of the standing wall portions 361 and 362.

  The fixing portion 363 is formed such that a portion near the right end is wider than the other portions, and two circular insertion holes 3630 are formed in each of the wide portions (see FIG. 5). In addition, it is preferable that this wide site | part is formed, for example by cutting and raising a part of standing wall part 361,362.

  Further, a mounting portion 364 is integrally provided at the lower right end of each of the standing wall portions 361 and 362. Each attachment portion 364 has an L-shaped connection piece 3640 connected to the right edge of the standing wall portions 361 and 362 and an attachment piece 3641 protruding inward along the front-rear direction from the lower end of the connection piece 3640. doing. Further, a screw hole 3642 is provided in the center of each mounting piece 3641. In addition, it is preferable that a circular through hole 3643 is formed in the connecting piece 3640 of the rear mounting portion 364.

  In addition, the front standing wall portion 361 is provided with a screwing portion 365 to which the protruding portion 3222 of the cover 32 is screwed. The screwing portion 365 is formed in a rectangular flat plate shape that protrudes forward from the upper end of the protruding piece 3612 that protrudes leftward from the lower end on the left side of the standing wall portion 361, and has a screw hole 3650.

  The spring member 37 includes a rectangular fixed piece 370 (fixed portion), a pair of standing pieces 371 (standing portions) that rise upward from both ends in the front-rear direction of the fixed piece 370, and upper ends of the standing pieces 371, respectively. A pair of hook portions 372 projecting upward and a pressing piece 373 are provided. The spring member 37 is preferably made of a metal material having a higher elastic modulus (Young's modulus) than the metal material forming the base 36, such as a stainless steel plate.

  The fixed piece 370 is provided with round holes 3700 at both ends in the front-rear direction. The pair of round holes 3700 are provided at an interval equal to the interval between the pair of screw holes 3642 of the mounting portion 364 of the base 36. Each standing piece 371 is formed with a slit 3710 having a longitudinal direction in the vertical direction at the center in the left-right direction.

  Each hook portion 372 is formed in a shape in which a rectangular plate material is bent in an L shape when viewed from the left-right direction. The holding piece 373 is formed in a shape that rises upward from the center portion in the front-rear direction at the left end of the fixed piece 370 and is bent so as to fall down to the left. 5 in the insertion / extraction direction).

  As shown in FIGS. 10, 12, and 13, the spring member 37 has a fixing piece 370 applied to the pair of attachment portions 364 from below, and two screws inserted into the respective round holes 3700 are connected to the attachment portions 364. It is attached to the attachment portion 364 by being screwed into the screw hole 3642. Note that each of the standing pieces 371 of the spring member 37 is disposed outside the connecting piece 3640 of the mounting portion 364 (see FIG. 10). Further, the cable holder 38 is attached to the through hole 3643 of the connecting piece 3640 through the slit 3710 of the rear standing piece 371 (see FIG. 10).

  The display unit 35 is composed of a commercially available pilot lamp. The switch block 34 includes a printed wiring board 340, an inspection switch 341, an operation member 342, and a connector 343.

  The connector 343 is a receptacle connector to which a plug connector is detachably connected. The inspection switch 341 is a normally open pushbutton switch that is commercially available. The operation member 342 is formed in a hemispherical shape from a synthetic resin material, and is supported by the support member 33 so as to be movable in the vertical direction.

  The printed wiring board 340 is formed in a rectangular flat plate shape, the inspection switch 341 and the connector 343 are mounted on the upper surface, and the two contacts of the connector 343 and the pair of terminals of the inspection switch 341 are electrically connected to each other. It is configured.

  When the constant voltage is supplied from the control device 4 via the plug connector connected to the connector 343 and the inspection switch 341 is pushed through the operation member 342, the switch block 34 makes the contacts of the connector 343 conductive. . Therefore, the control device 4 can receive an operation input of the inspection switch 341 by short-circuiting between the two contacts of the plug connector.

  The support member 33 includes a first support part 330 and a second support part 331. In addition, it is preferable that the 1st support part 330 and the 2nd support part 331 are integrally formed as a synthetic resin molding (refer FIG.5, FIG14 and FIG.15).

  The first support portion 330 is formed in a thin flat plate shape as a whole, and includes a recess 332 for fitting and supporting the LED module 30, an annular rib 333, two pairs (four in total) of hook portions 334, and a pair Boss 335.

  As shown in FIGS. 12 and 15, the recess 332 is provided at the center of the lower surface of the first support portion 330. A rectangular window hole 3320 is provided at the bottom of the recess 332. Then, by arranging the light emitting part 301 in the window hole 3320, the light emitting part 301 is exposed on the upper surface side of the first support part 330 (see FIG. 14). The annular rib 333 is provided on the upper surface of the first support portion 330 so as to surround the window hole 3320 (see FIG. 5).

  One pair of hooking portions 334 protrudes upward from the left end portion of the rib 333 on the upper surface of the first support portion 330 and is formed to be deflectable in the left-right direction. The other pair of hooks 334 protrudes upward from the right end portion of the rib 333 on the upper surface of the first support 330 and is formed to be able to bend in the left-right direction. Each hook portion 334 is formed in an inverted U shape, and a triangular prism-shaped claw 3340 is integrally formed at the upper end portion (see FIGS. 12 and 13).

  The 2nd support part 331 is formed in the rectangular box shape by which the lower surface was open | released. The second support portion 331 is configured to house and support the switch block 34 and the display portion 35 inside. A first peripheral wall 3310 and a second peripheral wall 3311 are integrally provided on the top surface of the second support portion 331.

  The first peripheral wall 3310 is formed in a cylindrical shape, and the operation member 342 of the switch block 34 is inserted therein. The operation member 342 is formed of a synthetic resin molded body having a cylindrical push button portion 3420, a plurality of claw portions 3421, and a shaft portion 3422 (see FIG. 12).

  The operation member 342 is prevented from coming off by hooking a plurality of claw portions 3421 to a stepped portion 3312 provided on the inner peripheral surface of the first peripheral wall 3310 (see FIG. 12). The shaft portion 3422 is formed in a cylindrical shape that protrudes downward from the center of the lower surface of the push button portion 3420 (see FIG. 12). That is, when the push button portion 3420 is pushed and moves downward, the operation member 342 pushes the inspection switch 341 at the tip (lower end) of the shaft portion 3422.

  Moreover, the 2nd surrounding wall 3311 is formed in a cylindrical shape, and the front-end | tip part of the display part 35 is penetrated (refer FIG. 8).

  As shown in FIG. 15, the switch block 34 is configured such that the peripheral portion of the printed wiring board 340 is hooked on a plurality of (three in the illustrated example) claws 3313 protruding from the inner wall surface of the second support portion 331. 331 is supported. In addition, a rectangular insertion hole 3314 is provided in front of the top surface of the second support portion 331, and a plug connector is inserted and connected to the connector (receptacle connector) 343 through the insertion hole 3314.

  In addition, it is preferable that the electric wire electrically connected with the said plug connector is hold | maintained at a pair of cable holding piece 336 provided in the front surface of the 2nd support part 331 (refer FIG. 14).

  Next, the assembly procedure of the emergency light source unit 3 will be specifically described.

  First, the operator fits the LED module 30 into the concave portion 332 of the first support portion 330 from below (see FIG. 15). The worker hooks one lead wire 303 of the LED module 30 on the first hooking portion 3300 provided in the first support portion 330, and then connects the lead wire 303 and the other lead wire 303 to the first support portion. Hook on a second hook 3301 provided on 330. Furthermore, the operator pulls the pair of lead wires 303 to the upper surface side of the first support portion 330 and then hooks and supports the pair of lead wires 303 on the third hook portion 3302 provided on the first support portion 330 (see FIG. 14). ).

  Further, the operator inserts the operation member 342 into the first peripheral wall 3310, and then hooks the printed wiring board 340 of the switch block 34 to the three claws 3313 to attach the switch block 34 to the second support portion 331 (FIG. 12). To FIG. 15). Further, the operator attaches the display unit 35 to the second support unit 331 by hooking a claw 350 (see FIG. 5) protruding from the outer peripheral surface of the display unit 35 into a hole provided in the second peripheral wall 3311.

  Subsequently, the operator places the first support portion 330 on the flat plate portion 360 of the base 36. At this time, the operator positions the support member 33 with respect to the flat plate portion 360 by inserting the protruding portion 337 protruding downward from the left front of the first support portion 330 into the notch 3600 at the left end of the flat plate portion 360. (See FIG. 6). Then, the operator inserts the screw 345 into the hole 3350 penetrating each boss 335, and tightens the screw 345 into the pair of screw holes 3602 provided in the flat plate portion 360. In this way, the operator fixes the support member 33 to the base 36 (see FIG. 6).

  Next, the operator hooks the claws 3340 of the two pairs of hook portions 334 on the flange 312 of the lens 31 and sandwiches the flanges 312 between the claws 3340 of the hook portions 334 and the upper surface of the first support portion 330. The lens 31 is supported by the first support portion 330 (see FIGS. 12 and 13). Thereafter, the operator inserts screws into the two insertion holes 3630 of each fixing portion 363, and fixes the base 36 to the bottom plate 111 by screwing each screw into the screw hole provided in the bottom plate 111 of the housing recess 11. To do.

  At this time, the operator places the base 36 in the housing recess 11 so that the screwing portion 365 is on the inner side (side closer to the regular light source unit 2), that is, the spring member 37 is on the outer side (side far from the regular light source unit 2). Store in. Further, by fixing the base 36 to the bottom plate 111, a space (hereinafter referred to as a power supply accommodating portion 366) surrounded by the base 36 and the bottom plate 111 is formed.

  Subsequently, the operator inserts the emergency power supply 5 into the power supply housing portion 366 from the screwing portion 365 side in the housing recess 11 (see FIG. 6). At this time, the emergency power source 5 is smoothly inserted while being guided by the support piece 3604 of the protrusion 3603. Next, as shown in FIG. 6, the worker puts the cover 32 on the base 36 from above. At this time, the pair of protruding wall portions 324 of the cover 32 are guided by the guide portion 3610 of the standing wall portion 361 of the base 36 and the guide portion 3620 of the standing wall portion 362.

  Then, each hooking portion 372 of the spring member 37 is pushed by the protruding wall portion 324 and bent inward, and eventually inserted into the hooking hole 3240 of each protruding wall portion 324 and hooked (see FIGS. 7 and 10). . At this time, each hook portion 372 moves along the inclined side of the corresponding hook hole 3240 and is guided to a normal position in the hook hole 3240 (a central position in the left-right direction of the hook hole 3240). At this time, the lens 31 supported by the first support part 330 is exposed to the outside through the insertion hole 3230 of the cover 32.

  Further, the operation member 342 is exposed to the outside through the circular first through hole 3232 provided on the right side of the insertion hole 3230 in the curved surface portion 323 of the cover 32. Further, the display unit 35 is exposed to the outside through the circular second through hole 3233 provided behind the first through hole 3232 in the curved surface part 323 of the cover 32 (see FIGS. 7 and 8).

  Finally, the operator screws the protrusion 3222 to the screwing portion 365 by screwing the screw inserted through the insertion hole 3223 of the protrusion 3222 into the screw hole 3650 of the screwing portion 365 of the base 36 (FIG. 7 and FIG. 8). In this way, the emergency light source unit 3 is assembled. Here, in this embodiment, the LED module 30, the lens 31, the support member 33, the switch block 34, and the display unit 35 constitute a light source unit.

  As shown in FIG. 12, the emergency power source 5 is pressed from the left and right by a pressing piece 373 of the spring member 37 and a pressing piece 3224 of the cover 32, and further pressed from above by three projecting portions 3603. Thereby, shakiness of the emergency power supply 5 can be suppressed in the vertical direction and the horizontal direction. However, the above assembling procedure is only an example, and it is possible to assemble by another assembling procedure. Here, in this embodiment, a spring piece is constituted by the pressing piece 373 of the spring member 37.

  Further, in the state where the emergency power source 5 is accommodated in the power source accommodating portion 366, as shown in FIGS. 12 and 13, the emergency power source 5 and the spring member 37 do not overlap with each other when viewed from above and below. The emergency power source 5 does not get in the way when the member 37 is deformed.

  By the way, when the emergency power source 5 is inserted upside down with respect to the power source accommodating portion 366, the emergency power source 5 holds down the spring member 37 before the emergency power source 5 is accommodated in the normal position of the power source accommodating portion 366. Contact piece 373. As a result, a part of the emergency power supply 5 protrudes from the power supply accommodating portion 366. Therefore, the worker who sees this state can know that the direction of the emergency power supply 5 is upside down, and as a result, can prevent an erroneous insertion of the emergency power supply 5 into the power supply accommodating portion 366. it can.

  The control device 4 includes a charging circuit that charges the emergency power supply 5 with power supplied from an ordinary power supply (external power supply), and an emergency power supply circuit that lights the LED module 30 using the emergency power supply 5 as a power source in the event of a power failure of the regular power supply. With. The control device 4 includes a control circuit that receives an operation input from the inspection switch 341 and performs an inspection operation. The common power source is preferably a power source (for example, a commercial AC power source) that supplies power to the power source device 24 of the regular light source unit 2.

  When the control circuit receives an operation input from the inspection switch 341, the control circuit stops the charging circuit and operates the emergency power supply circuit to perform the inspection operation. Further, the control circuit causes the display unit 35 to display the energized state of the normal power supply, the inspection result by the inspection operation, and the like. Such a control circuit is preferably composed of a logic circuit, a microcontroller, or the like.

  The control device 4 includes a printed wiring board 40 on which a plurality of circuit elements for constituting a charging circuit, an emergency power supply circuit, and a control circuit are mounted, and a metal case 41 that houses the printed wiring board 40 therein. (See FIG. 16). The case 41 is formed in a flat rectangular box shape by a metal plate material. Further, the case 41 is configured such that one end side is opened and the two connectors 400 and 401 mounted on one end portion of the printed wiring board 40 are exposed.

  One connector 400 is electrically connected to the emergency power supply 5 and the LED module 30, and the other connector 401 is electrically connected to the display unit 35. A connector that is electrically connected to the connector 343 of the switch block 34 is mounted on the other end of the printed wiring board 40. The control device 4 is attached to the instrument body 1 by screwing a pair of fixing pieces 410 protruding from both ends of the case 41 to the bottom plate 111 of the housing recess 11 (see FIG. 16).

  Here, the emergency light source unit 3 and the control device 4 are electrically connected by four pairs (total of eight wires). That is, the pair of electric wires 60 of the four pairs electrically connect the emergency power source 5 to the charging circuit and the emergency power source circuit, and another pair of electric wires 61 includes the emergency power source circuit and the LED module 30. And electrically connect.

  Furthermore, another pair of electric wires 62 electrically connects the control circuit and the display unit 35, and the remaining pair of electric wires 63 electrically connects the control circuit and the switch block 34. The pair of electric wires 60 are preferably configured to be separable by a connector 64 in order to facilitate replacement of the emergency power source 5 (see FIG. 16).

  These four pairs of electric wires 60 to 63 are preferably configured as a single cable covered with a sheath 65, as shown in FIG. The four pairs of electric wires 60 to 63 are preferably arranged in a gap formed between the standing wall portion 362 of the base 36 and the side plate of the housing recess 11 as shown in FIG. The pair of electric wires 62 are preferably held by a cable holder 38 as shown in FIG.

  Next, the construction procedure of the lighting fixture 10 of this embodiment is demonstrated concretely.

  First, the worker who performs the construction work passes the power line that has been pre-wired on the back of the ceiling through the hole 111A of the instrument body 1, passes the suspension bolt 200 exposed to the indoor side through the hole 111B, and then the suspension bolt. A nut 201 is screwed into 200 to fix the instrument body 1. Further, the operator connects the end of the power supply line to the terminal block, and further electrically connects the electric wire drawn from the terminal block to the power supply device 24 and the control device 4.

  Subsequently, after the operator hooks the tips of the hook metal fittings into a pair of insertion holes provided in one side plate 112 of the instrument body 1, a pair of hook springs are provided on the other side plate 112 of the instrument body 1. Hook it on the hook. Then, when the operator rotates the lifting light source unit 2 with the hooking metal as a fulcrum, the hooking spring returns to the original state while being hooked on the hooking portion, so that the spring light force of the hooking spring causes the common light source unit 2. Is held by the instrument body 1. The lighting fixture 10 is constructed on the ceiling according to the above procedure (see FIGS. 1 and 4).

  Here, in a state in which the common light source unit 2 and the emergency light source unit 3 are attached to the instrument main body 1, as shown in FIGS. 1 and 2, the emergency light source unit 2 and the emergency light source unit 2 in the front-rear direction (longitudinal direction of the instrument main body 1) are used. The light source unit 3 is disposed side by side.

  FIG. 10 is a side view showing a state where the cover 32 is attached to the base 36. As shown in FIG. 10, the gap L <b> 2 between the standing piece 371 of the spring member 37 and the connecting piece 3640 of the base 36 in the front-rear direction (left-right direction in FIG. 10) is a spring with respect to the protruding wall portion 324 of the cover 32. It is smaller than the allowance L1 of the hooking portion 372 of the member 37 (L1> L2).

  Therefore, when the cover 32 is attached to the base 36, the standing piece 371 and the hooking portion 372 are bent inward by being pushed by the protruding wall portion 324, and the standing piece 371 comes into contact with the connecting piece 3640. The movement of the installation piece 371 is restricted.

  Thereafter, the hook portion 372 is further bent inward by being pushed by the protruding wall portion 324 in a state where the standing piece 371 is in contact with the connecting piece 3640. Then, when the hooking portion 372 moves to a position facing the hooking hole 3240, the hooking portion 372 and the standing piece 371 move outward by the elastic force of the hooking portion 372 and the elastic force of the standing piece 371, as shown in FIG. It becomes a state.

  In the present embodiment, as described above, not only the elastic force of the hooking portion 372 but also the elastic force of the standing piece 371 is applied to each protruding wall portion 324, so that only the elastic force of the hooking portion 372 is held. The holding power can be increased as compared. Here, in the present embodiment, the restricting portion is constituted by the connecting piece 3640 of the base 36.

  Thus, according to the lighting apparatus 10 of the present embodiment, the cover 32 can be attached to the base 36 only by holding the cover 32 by the spring member 37 attached to the base 36. As a result, it is possible to reduce the work time during assembly and maintenance in the factory as compared to the case where the cover is fixed to the fixture body using a plurality of screws as in the conventional lighting fixture.

  Further, by accommodating the emergency power supply 5 in the power supply accommodating portion 366 so as not to overlap the spring member 37, there is an advantage that the emergency power supply 5 does not get in the way when the spring member 37 is deformed. Furthermore, when the spring member 37 is attached to the end of the base 36 opposite to the regular light source unit 2 in the front-rear direction (longitudinal direction) of the base 36, the regular light source unit 2 is attached to the instrument main body 1. There is an advantage that the spring member 37 does not get in the way.

  In addition, in this embodiment, although the lighting fixture 10 directly attached to the ceiling material 100 was illustrated, the lighting fixture attached to construction materials other than the ceiling material 100, for example, a wall material etc., may be sufficient. In this embodiment, the spring member 37 is attached to only one end portion in the longitudinal direction of the base 36, but the spring member 37 may be attached to both end portions in the longitudinal direction of the base 36.

  Furthermore, in the present embodiment, the shape of the hooking hole 3240 of the cover 32 is a trapezoidal shape such that the opening width becomes narrower from the upper side to the lower side in the vertical direction, but the opening width becomes smaller from the lower side to the upper side. The trapezoidal shape may be narrowed. Also in this case, the hook portion 372 can be guided to the normal position of the hook hole 3240 by moving the hook portion 372 of the spring member 37 along the inclined side of the corresponding hook hole 3240.

  In this embodiment, the cable holder 38 is provided only on the rear side in the front-rear direction, but the cable holder 38 may be provided on both sides in the front-rear direction.

  As described above, the lighting fixture 10 of the present embodiment includes the fixture main body 1, the regular light source unit 2 (first light source unit), and the emergency light source unit 3 (second light source unit). The instrument main body 1 is formed in a long shape and is attached to the surface (lower surface) of the ceiling material 100 (construction material). The regular light source unit 2 is attached to the instrument body 1 and can be lit in a state where the external power supply is normally supplied. The emergency light source unit 3 is attached to the instrument main body 1 side by side with the regular light source unit 2 in the longitudinal direction of the instrument main body 1, and lights up when a power failure occurs in the external power source. The emergency light source unit 3 includes a light source unit (LED module 30, lens 31, support member 33, switch block 34, and display unit 35), a base 36, a cover 32, a spring member 37 (holding member), and an emergency unit. And a power source 5. The light source unit is attached to the base 36, and the cover 32 is disposed so as to cover the light source unit. The spring member 37 is attached to the base 36 and holds the cover 32. The emergency power supply 5 supplies power to the light source unit at the time of a power failure of the external power supply. The base 36 includes a flat plate portion 360 (bottom wall portion), a pair of standing wall portions 361 and 362, and a power supply accommodating portion 366. The flat plate portion 360 has a rectangular plate shape, and is arranged so that the longitudinal direction is the longitudinal direction of the instrument body 1, and the light source portion is attached to the flat plate portion 360. The pair of standing wall portions 361 and 362 project from the both ends in the width direction of the flat plate portion 360 to the opposite side to the light source portion. The power supply accommodating portion 366 is composed of a space surrounded by the flat plate portion 360 and the pair of standing wall portions 361 and 362. The emergency power source 5 is accommodated in the power source accommodating portion 366 so as not to overlap with the spring member 37 attached to at least one end portion in the longitudinal direction of the base 36.

  According to the above configuration, the cover 32 can be attached to the base 36 only by holding the cover 32 by the spring member 37 attached to the base 36. As a result, it is possible to reduce the work time during assembly and maintenance in the factory as compared to the case where the cover is fixed to the fixture body using a plurality of screws as in the conventional lighting fixture. Further, by accommodating the emergency power supply 5 in the power supply accommodating portion 366 so as not to overlap with the spring member 37, there is an advantage that the emergency power supply 5 does not get in the way when the spring member 37 is deformed.

  Further, as in the lighting fixture 10 of the present embodiment, the spring member 37 is preferably attached to the end of the base 36 opposite to the regular light source unit 2 in the longitudinal direction.

  According to the said structure, when attaching the common light source unit 2 to the instrument main body 1, there exists an advantage that the spring member 37 does not become obstructive.

  Moreover, like the lighting fixture 10 of the present embodiment, the spring member 37 includes a fixed piece 370 (fixed portion), a pair of standing pieces 371 (standing portion), and a pair of hook portions 372. preferable. In this case, the fixed piece 370 is attached to the base 36 such that the longitudinal direction is the width direction of the base 36. The pair of standing pieces 371 protrude from the both ends in the longitudinal direction of the fixed piece 370 toward the cover 32. The pair of hook portions 372 are provided at the tips of the pair of standing portions 371, respectively. The base 36 has a pair of connecting pieces 3640 (regulators) that make contact with a pair of standing pieces 371 that are bent in a direction approaching each other and restrict movement of the pair of standing pieces 371. The pair of hook portions 372 are configured to bend toward each other in a state where movement of the pair of standing pieces 371 is restricted by the pair of connecting pieces 3640.

  According to the above configuration, the holding force can be increased by the elastic force of the pair of standing pieces 371 compared to the case where the cover 32 is held only by the elastic force of the pair of hook portions 372.

  Moreover, it is preferable that the cover 32 has a pair of hooking holes 3240 on which the pair of hooking portions 372 are hooked, like the lighting fixture 10 of the present embodiment. Each of the pair of hooking holes 3240 is preferably formed in a trapezoidal shape such that the opening width becomes narrower from one end side to the other end side in the attaching / detaching direction of the cover 32 with respect to the base 36.

  According to the above configuration, each hooking portion 372 can be guided to the normal position of the corresponding hooking hole 3240 by moving each hooking portion 372 along the inclined side of the corresponding hooking hole 3240.

  Moreover, it is preferable that the spring member 37 further has a pressing piece 373 (spring piece) like the lighting fixture 10 of the present embodiment. The pressing piece 373 is preferably provided at a position that can be displaced in the insertion / extraction direction of the emergency power source 5 with respect to the power source accommodating portion 366 and that can come into contact with the emergency power source 5 accommodated in the power source accommodating portion 366.

  According to the above configuration, the pressing of the emergency power source 5 in the insertion / extraction direction of the emergency power source 5 with respect to the power source accommodating unit 366 is caused by bringing the pressing piece 373 into contact with the emergency power source 5 accommodated in the power source accommodating unit 366. Can be suppressed.

  Moreover, it is preferable that the emergency light source unit 3 further includes a cable holder 38 (cable holding portion) as in the lighting fixture 10 of the present embodiment. And it is preferable that the cable holder 38 is provided in the outer side of at least one standing piece 371 among a pair of standing pieces 371, and hold | maintains the cable pulled out from the said light source part.

  According to the above configuration, the cable drawn from the light source unit can be held by the cable holder 38.

1 Instrument body 2 Common light source unit (first light source unit)
3 Emergency light source unit (second light source unit)
5 Emergency power supply 10 Lighting fixture 30 LED module (light source)
31 Lens (light source)
32 Cover 33 Support member (light source part)
34 Switch block (light source)
35 Display (light source)
36 Base 37 Spring member (holding member)
38 Cable holder (cable holder)
100 Ceiling material (construction material)
360 Flat plate (bottom wall)
361, 362 Standing wall portion 366 Power supply accommodating portion 370 Fixed piece (fixed portion)
371 Standing piece (standing part)
372 Hook 373 Presser piece (spring piece)
3240 hook hole 3640 connecting piece (regulator)

Claims (6)

A long instrument body attached to the surface of the construction material;
A first light source unit attached to the instrument body and capable of being lit in a state in which external power is normally supplied;
A second light source unit that is attached to the instrument body side by side with the first light source unit in the longitudinal direction of the instrument body, and that is turned on when a power failure occurs on the external power source;
The second light source unit includes a light source unit, a base to which the light source unit is attached, a cover arranged to cover the light source unit, a holding member attached to the base and holding the cover, and the external power source An emergency power source for supplying power to the light source unit at the time of power failure,
The base is disposed so that the longitudinal direction thereof is the longitudinal direction of the instrument main body, and is attached to the rectangular plate-like bottom wall part to which the light source part is attached, and opposite to the light source part from both ends in the width direction of the bottom wall part A pair of standing wall portions projecting to the power source, and a power supply housing portion comprising a space surrounded by the bottom wall portion and the pair of standing wall portions,
The lighting apparatus, wherein the emergency power source is accommodated in the power source accommodating portion so as not to overlap the holding member attached to at least one end portion in the longitudinal direction of the base.   The lighting apparatus according to claim 1, wherein the holding member is attached to an end portion on the opposite side of the first light source unit in the longitudinal direction of the base. The holding member includes a plate-like fixing portion that is attached to the base such that the longitudinal direction is the width direction of the base, and a pair of upright portions that protrude from both ends in the longitudinal direction of the fixing portion toward the cover side And a pair of hook portions respectively provided at the ends of the pair of standing portions,
The base has a pair of restricting portions that contact the pair of standing portions bent in a direction approaching each other and restrict movement of the pair of standing portions,
3. The illumination according to claim 1, wherein the pair of hook portions are configured to bend toward each other in a state where movement of the pair of standing portions is restricted by the pair of restriction portions. Instruments. The cover has a pair of hooking holes into which the pair of hooking parts are hooked,
4. Each of the pair of hooking holes is formed in a trapezoidal shape such that the opening width becomes narrower from one end side to the other end side in the attaching / detaching direction of the cover with respect to the base. Lighting fixtures.   The holding member further includes a spring piece provided at a position displaceable in the insertion / extraction direction of the emergency power supply with respect to the power supply accommodating portion and capable of contacting the emergency power supply accommodated in the power supply accommodating portion. The lighting fixture of any one of Claims 1-4 characterized by the above-mentioned.   The second light source unit further includes a cable holding part that is provided outside at least one of the pair of standing parts and holds a cable drawn from the light source part. The lighting fixture according to any one of claims 3 to 5.

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