JP6575894B2 - 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 a plurality of LEDs, for example, 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 by the lighting circuit board is output to a light source board via an electric wire and a charging circuit board, and turns on several LED mounted in the light source board.

JP 2012-185932 A

  The emergency lighting fixture described in Patent Document 1 described above has a structure that is assembled while adjusting the orientation of the cover with respect to the fixture main body, and therefore it may take time for the assembly work depending on the installation location.

  This invention is made | formed in view of the said problem, and it aims at providing the lighting fixture which improved workability | operativity.

The lighting fixture of the present invention is attached to the fixture body, the fixture body attached to the surface of the construction material, the first light source unit attached to the fixture body and capable of lighting in a state where the external power supply is normally supplied, and the fixture body. A second light source unit that is turned on when the external power source is powered off. The second light source unit includes a light source part, a base to which the light source part is attached, an opening part, and the light source part from the opening part. And a cover attached to the base with a part thereof exposed, the cover having a pair of protruding wall portions protruding toward the base, and the base is a flat plate on which the light source portion is placed has a Jo of the flat plate portion and a pair of vertical wall portions of the pair of projecting wall portions, respectively a guide when attaching the cover to the base, the pair of vertical wall portions, contact in the width direction of said plate Projecting in the transverse direction that the both ends is a direction intersecting the flat portion, the end portion of the flat plate portion side in the cross direction caused bending the flat plate portion side, is connected to said plate in the bent-up portion It is characterized by being.

  According to the structure of this invention, there exists an effect that the lighting fixture which improved workability | operativity can be provided.

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 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. It is another sectional drawing of 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), an emergency power source 5, 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 12, the emergency light source unit 3 includes an LED module 30, a lens 31, a cover 32, a support member 33, and a base 36. Further, the emergency light source unit 3 includes a switch block 34, a display unit 35, a spring member 37, and a cable holder 38. 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 (for example, blue light) emitted from the LED chip 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) By mixing, 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. 11), and is a wide-angle light distribution lens that realizes a so-called batwing-like 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 source 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. 11 and 12). 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 (opening) 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. Further, a mounting hole 3240 made of a rectangular through hole is provided at a position on the right side of each protruding wall portion 324.

  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. 11) 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. 11) 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 hook shape having a flat plate portion 360 and a pair of standing wall portions 361 and 362. The flat plate portion 360 is formed in a substantially rectangular flat plate shape, 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 11, the flat plate portion 360 is provided with a plurality of (three in the illustrated example) protruding portions 3603. As shown in FIG. 11, these protrusions 3603 include a support piece 3604 and a pressing piece 3605.

  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. is 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, a pair of standing pieces 371 that rise upward from both ends in the front-rear direction of the fixed piece 370, and a pair of hook portions 372 that protrude upward from the upper ends of the standing pieces 371. And a pressing piece 373. 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 to the left.

  As shown in FIGS. 10 to 12, in the spring member 37, two screws inserted into each round hole 3700 are fixed to a pair of mounting portions 364 from below, and screw holes of each mounting portion 364 are screw holes. It is attached to the attachment portion 364 by being screwed into 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, FIG13 and FIG.14).

  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. 11 and 14, 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 unit 301 in the window hole 3320, the light emitting unit 301 is exposed on the upper surface side of the first support unit 330 (see FIG. 13). 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-like claw 3340 is integrally formed at the upper end portion (see FIGS. 11 and 12).

  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 made 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. 11).

  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. 11). 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. 11). 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. 14, 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. 13).

  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. 14). 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. 13). ).

  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. 11). To FIG. 14). 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. 11 and 12). 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 mounting hole 3240 of each protruding wall portion 324 and hooked (see FIGS. 7 and 10). . 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 the present embodiment, the LED module 30, the lens 31, and the support member 33 constitute a light source unit. In the present embodiment, the holding structure is configured by the mounting holes 3240 of the protruding wall portions 324 of the cover 32.

  As shown in FIG. 11, the emergency power supply 5 is pressed from the left and right by the pressing piece 373 of the spring member 37 and the pressing piece 3224 of the cover 32, and further pressed from above by the 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.

  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. 15). 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. 15).

  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. 15).

  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. As shown in FIG. 15, the four pairs of electric wires 60 to 63 are preferably arranged in a gap formed between the standing wall 362 of the base 36 and the side plate of the housing recess 11.

  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 the state where the emergency light source unit 3 is attached to the instrument main body 1, as shown in FIG. 16, in the vertical direction (normal direction of the lower surface of the ceiling material 100), the opening edge of the housing recess 11 and a pair of Each of the horizontal portions 325 is configured to overlap. Thereby, the clearance gap between the curved surface part 323 of the cover body 320 and the opening edge of the accommodation recessed part 11 of the instrument main body 1 can be block | closed, As a result, the penetration | invasion of the foreign material to the inside of the instrument main body 1, and the instrument main body 1 Can be reduced.

  Thus, according to the lighting fixture 10 of the present embodiment, each protruding wall portion 324 is guided by bringing each protruding wall portion 324 of the cover 32 into contact with the corresponding standing wall portions 361 and 362 of the base 36. Then, the cover 32 can be attached to the base 36 by moving the cover 32 toward the base 36 in this state. Therefore, unlike the conventional emergency lighting fixture, it is not necessary to assemble the cover while aligning the orientation of the cover with respect to the fixture body, and workability can be improved.

  Further, like the lighting fixture 10 of the present embodiment, the cover 32 can be held on the base 36 only by assembling the cover 32 to the base 36 by the mounting holes 3240 (holding structure) provided in each protruding wall portion 324. . Furthermore, the torsional strength of the cover 32 can be increased by projecting the protruding wall portion 324 downward from the tip of the horizontal portion 325 as in the lighting fixture 10 of the present embodiment.

  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 the present embodiment, the mounting holes 3240 provided in the respective protruding wall portions 324 of the cover 32 have a holding structure. However, any other structure can be used as long as the cover 32 can be held with the cover 32 attached to the base 36. It may be a structure.

  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 attached to the 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 body 1 and lights up when the external power supply is interrupted. The emergency light source unit 3 includes a light source unit (the LED module 30, the lens 31 and the support member 33), a base 36, and a cover 32. The light source unit is attached to the base 36. The cover 32 has an insertion hole 3230 (opening), and is attached to the base 36 with a part of the light source part exposed from the insertion hole 3230. The cover 32 has a pair of projecting wall portions 324 projecting toward the base 36 side. The base 36 has a pair of standing wall portions 361 and 362 that guide the pair of protruding wall portions 324 when the cover 32 is attached to the base 36.

  According to the above configuration, each protruding wall portion 324 is guided by bringing the protruding wall portions 324 of the cover 32 into contact with the corresponding standing wall portions 361 and 362 of the base 36, and the cover 32 is moved toward the base 36 in this state. The cover 32 can be attached to the base 36 by being moved. Therefore, unlike the conventional emergency lighting fixture, it is not necessary to assemble the cover while aligning the orientation of the cover with respect to the fixture body, and workability can be improved.

  Further, like the lighting fixture 10 of the present embodiment, each of the pair of protruding wall portions 324 preferably has a holding structure (mounting hole 3240) for holding the cover 32 on the base 36.

  According to the above configuration, the cover 32 can be held on the base 36 simply by assembling the cover 32 to the base 36 by the holding structure provided on each protruding wall portion 324.

  Moreover, like the lighting fixture 10 of this embodiment, the fixture main body 1 has the accommodation recessed part 11 in which at least one part of the regular light source unit 2 and the emergency light source unit 3 is accommodated on the opposite side to the ceiling material 100. preferable. In this case, the cover 32 further includes a curved surface portion 323 provided with an insertion hole 3230 so as to cover the light source portion, and a pair of horizontal portions 325 extending from both ends of the curved surface portion 323 toward each other. Is preferred. Each of the pair of protruding wall portions 324 preferably protrudes from the tip of each of the pair of horizontal portions 325 toward the base 36 in a direction intersecting with the pair of horizontal portions 325. When the emergency light source unit 3 is attached to the fixture body 1, the opening edge of the housing recess 11 and each of the pair of horizontal portions 325 overlap each other when viewed from the normal direction of the surface of the ceiling material 100. Preferably it is done.

  According to the above configuration, the torsional strength of the cover 32 can be increased by causing the protruding wall portion 324 to protrude from the tip of each horizontal portion 325 toward the base 36. Further, a gap generated when the emergency light source unit 3 is attached to the instrument main body 1 can be hidden by the horizontal portion 325 and the protruding wall portion 324, thereby allowing foreign matter to enter the instrument main body 1 or the instrument main body 1. Light leakage to the outside can be reduced.

1 Instrument body 2 Common light source unit (first light source unit)
3 Emergency light source unit (second light source unit)
DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 Housing recessed part 30 LED module (light source part)
31 Lens (light source)
32 Cover 33 Support member (light source part)
36 Base 100 Ceiling material (construction material)
323 Curved surface portion 324 Projecting wall portion 325 Horizontal portion 361, 362 Standing wall portion 3230 Insertion hole (opening)
3240 Mounting hole (holding structure)

Claims (3)

An 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 attached to the instrument body and lit when a power failure occurs in the external power source,
The second light source unit includes a light source part, a base to which the light source part is attached, and a cover that has an opening and is attached to the base with a part of the light source part exposed from the opening. And
The cover has a pair of protruding wall portions protruding toward the base side,
The base has a light source portion is plate-shaped flat plate portion to be mounted, and a pair of vertical wall portions of the pair of protruding wall portion for guiding respectively when attaching the cover to the base,
The pair of standing wall portions protrudes from both ends in the width direction of the flat plate portion in a crossing direction that intersects the flat plate portion, and the end portion on the flat plate portion side in the crossing direction is bent and raised to the flat plate portion side. The lighting apparatus is connected to the flat plate portion at the bent portion .   The lighting fixture according to claim 1, wherein each of the pair of protruding wall portions has a holding structure for holding the cover on the base. The instrument body has an accommodation recess in which at least a part of the first light source unit and the second light source unit is accommodated on the side opposite to the construction material,
The cover further includes a curved surface portion provided with the opening and arranged to cover the light source portion, and a pair of horizontal portions extending from both ends of the curved surface portion toward each other.
Each of the pair of projecting wall portions protrudes from the tip of each of the pair of horizontal portions in a direction intersecting the pair of horizontal portions and toward the base side,
In a state where the second light source unit is attached to the instrument body, the opening edge of the housing recess and the pair of horizontal portions overlap each other when viewed from the normal direction of the surface of the construction material. The luminaire according to claim 1 or 2, wherein

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