JP2014032868A - Emergency luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an emergency luminaire that allows a luminaire main body to be further reduced in size.SOLUTION: An emergency luminaire 1 comprises: a luminaire body 2 having a bottomed cylindrical shape; an emergency power source block 3 disposed at a bottom wall 2a side of the luminaire body 2, in the luminaire body 2; a light source block 4 disposed at an opening side of the luminaire main body 2, in the luminaire main body 2; a power source unit 5 that can charge and discharge the emergency power source block 3 and can light the light source block 4; and a holding member 6 that is protrusively provided from the bottom wall 2a side of the luminaire body 2 to a side and holds the power source unit 5. Further, the emergency luminaire 1 is provided with a wiring passage 19 between the power-source unit 5 and the light source block 4 in a space between a sidewall 2b of the luminaire body 2 and the emergency power source block 3.

Description

  The present invention relates to an emergency lighting fixture.

  Conventionally, an emergency lighting fixture using a semiconductor light emitting element such as a light emitting diode as a light source has been proposed (for example, Patent Document 1).

  Patent Document 1 describes a downlight type emergency lighting fixture having the configuration shown in FIG. Patent Document 1 discloses that this emergency lighting fixture includes a bottomed cylindrical fixture main body 51, an LED substrate 53 on which a light source 52 including a plurality of LEDs (light emitting diodes) 52a is mounted, and an emergency power source. 54 and a charging unit 55 that charges the emergency power supply 54 by supplying power from the commercial power supply AC. Further, in Patent Document 1, the above-described emergency lighting fixture detects a power failure of the commercial power source AC and turns on the LED 52a by the emergency power source 54, and a power source for mounting the charging unit 55 and the lighting unit 56. It describes that it has a substrate 57. Note that Patent Document 1 describes that the instrument body 51 is embedded in the ceiling 61. Patent Document 1 describes that an emergency power supply 54 and a power supply board 57 on which a charging unit 55 and a lighting unit 56 are mounted are provided in the appliance main body 51. Patent Document 1 describes that the emergency power supply 54 is composed of a rechargeable secondary battery such as nickel hydride or an electric storage element such as an electric double layer capacitor.

  Patent Document 1 describes that the LED substrate 53 is provided so as to cover the circular opening at the lower end of the instrument body 51. Here, Patent Document 1 describes that the power supply substrate 57 is provided above the LED substrate 53, and one surface of the power supply substrate 57 is parallel to a plane orthogonal to the one surface of the LED substrate 53.

JP 2012-4050 A

  In recent years, there has been a demand for a small-sized emergency lighting fixture so as not to impair the design of the emergency lighting fixture in place.

  In the emergency lighting fixture disclosed in Patent Document 1, since one surface of the power supply board 57 in the fixture body 51 is parallel to a plane orthogonal to the one surface of the LED substrate 53, the diameter dimension L1 of the fixture body 51 is reduced. Thus, the instrument body 51 can be downsized.

  However, in the emergency lighting fixture disclosed in Patent Document 1, it is difficult to further reduce the size of the fixture body 51 due to the size of the power supply board 57.

  This invention is made | formed in view of the said reason, The objective is to provide the emergency lighting fixture which can aim at the further size reduction of an instrument main body.

  The emergency lighting apparatus of the present invention includes a bottomed cylindrical instrument body, an emergency power supply block disposed on the bottom wall side of the instrument body inside the instrument body, and the instrument body inside the instrument body. A light source block arranged on the opening side of the power supply, a power supply device capable of charging and discharging the emergency power supply block and capable of lighting the light source block, and protruding from the bottom wall side of the instrument body to the side. A holding member for holding the power supply device, and a wiring path between the power supply device and the light source block is provided in a space between a side wall of the instrument body and the emergency power supply block.

  In this emergency lighting fixture, it is preferable that a first relay portion that can be electrically connected to the emergency power supply block and the light source block is provided on the appliance main body side of the power supply device.

  In this emergency lighting apparatus, the light source block may include a mounting substrate on which a light emitting unit is mounted, and the mounting substrate may be provided with a second relay unit that can be electrically connected to the power supply device. preferable.

  In the emergency lighting apparatus of the present invention, it is possible to further reduce the size of the apparatus main body.

It is a schematic sectional drawing of the emergency lighting fixture of Embodiment 1. FIG. It is a disassembled perspective view of the emergency lighting fixture same as the above. It is explanatory drawing of the method of connecting a holding member with an instrument main body regarding the emergency lighting fixture same as the above. It is a schematic sectional drawing of the other structural example of the emergency lighting fixture same as the above. It is a schematic sectional drawing of the emergency lighting fixture of Embodiment 2. FIG. It is a disassembled perspective view of the emergency lighting fixture same as the above. It is a schematic sectional drawing of the emergency lighting fixture of a prior art example.

(Embodiment 1)
Hereinafter, the emergency lighting fixture of this embodiment is demonstrated, referring FIGS. 1-3.

  The emergency lighting device 1 of the present embodiment is a lighting device such as an emergency light, and is, for example, embedded in a ceiling material (not shown).

  The emergency lighting fixture 1 includes a bottomed cylindrical appliance main body 2 and an emergency power supply block 3 arranged on the bottom wall 2a side (the upper side in FIG. 1) of the appliance main body 2 inside the instrument main body 2. ing. In this embodiment, the emergency power supply block 3 is disposed inside the instrument body 2 on the bottom wall 2a side of the instrument body 2 and on the side wall 2b side (left side in FIG. 1) of the instrument body 2. Arrangement is not particularly limited, and for example, it may be arranged in the central part on the bottom wall 2 a side inside the instrument body 2.

  Further, the emergency lighting fixture 1 includes a light source block 4 disposed on the opening side (lower side in FIG. 1) of the fixture main body 2 inside the fixture main body 2.

  The instrument body 2 is formed in a bottomed cylindrical shape having an open bottom surface. As a material of the instrument body 2, for example, a metal (for example, iron, aluminum, stainless steel, etc.) can be employed.

  At the lower end portion of the side wall 2b of the instrument body 2, a flange portion 2c extending outward is provided.

  In addition, in this embodiment, although the shape of the instrument main body 2 is made into the bottomed cylindrical shape, it is not restricted to this, For example, a bottomed rectangular tube shape may be sufficient. Moreover, in this embodiment, although the metal is employ | adopted as a material of the instrument main body 2, it is not restricted to this, For example, synthetic resins (for example, PC (polycarbonate), PP (polypropylene), PBT (polybutylene terephthalate), etc.) ) May be adopted.

  The emergency power supply block 3 includes a plurality of storage batteries 13 and a first housing 7 (see FIG. 2) that houses the plurality of storage batteries 13. As the storage battery 13, a nickel cadmium battery or a nickel hydride battery can be adopted, but not limited thereto, for example, a lithium ion battery or a lead storage battery may be adopted. Moreover, in this embodiment, although the electrical connection relationship of the some storage battery 13 is set as series connection, it is not restricted to this, For example, it is good also as parallel connection and as connection which combined serial connection and parallel connection. Also good. In the present embodiment, for example, synthetic resin (for example, PBT) is used as the material of the first housing 7. In FIG. 1, two storage batteries 13 among the plurality of storage batteries 13 are visible. Moreover, in this embodiment, although the number of the storage batteries 13 is made into multiple, one may be sufficient. In the present embodiment, the emergency power supply block 3 includes a plurality of power storage locations 13 as power storage elements, but is not limited thereto, and may include, for example, one or a plurality of electric double layer capacitors. .

  The light source block 4 is disposed below the emergency power supply block 3 inside the instrument body 2.

  The light source block 4 includes a light emitting unit 4a (see FIG. 2) having a plurality of LED chips (not shown) and a mounting substrate 4b on which the light emitting unit 4a is mounted.

  The light emitting unit 4a includes the plurality of LED chips described above and a sealing unit 4aa (see FIG. 2) made of a translucent material that covers the plurality of LED chips. As the translucent material, for example, silicone resin, epoxy resin, glass or the like can be employed. In the present embodiment, an LED chip that emits blue light (hereinafter referred to as a blue LED chip) is employed as the LED chip. Further, in the present embodiment, the planar view shape of the sealing portion 4aa is rectangular, but this shape is not particularly limited, and for example, other polygonal shapes, circular shapes, elliptical shapes, etc. Good. In the present embodiment, the front surface (the lower surface in FIG. 2) of the sealing portion 4aa constitutes the light emitting surface of the light emitting portion 4a.

  The light emitting unit 4a is a white material that obtains white light by mixing a phosphor made of a yellow phosphor that is excited by blue light emitted from a blue LED chip and emits broad yellow light into the sealing unit 4aa. It constitutes an LED.

  The phosphor of the light emitting unit 4a is not limited to the yellow phosphor, and, for example, a red phosphor and a green phosphor may be employed. Moreover, as the light emission part 4a, you may use white LED which obtains white light combining LED chip which radiates | emits violet-near-ultraviolet, and red fluorescent substance, green fluorescent substance, and blue fluorescent substance. As the light emitting unit 4a, a white LED that obtains white light by combining an LED chip that emits red light, an LED chip that emits green light, and a blue LED chip may be used.

  In the present embodiment, the connection relationship of the plurality of LED chips is series connection. However, the present invention is not limited to this, and for example, parallel connection may be used, or the connection may be a combination of series connection and parallel connection. May be. In this embodiment, the number of LED chips is plural, but may be one.

  The planar view shape of the mounting substrate 4b is rectangular. As the mounting substrate 4b, for example, a metal base printed wiring board can be adopted. In the present embodiment, the light emitting unit 4a described above is mounted on one surface side (the lower surface side in FIG. 2) of the mounting substrate 4b. In the present embodiment, a metal base printed wiring board is employed as the mounting substrate 4b. However, the present invention is not limited to this. For example, a ceramic substrate may be employed, or an insulating substrate made of glass epoxy resin or the like. You may employ | adopt the printed wiring board etc. which were formed with the material.

  The emergency lighting fixture 1 includes a heat radiating unit 12 that radiates heat generated by the light source block 4, a light distribution control unit 9 that controls light distribution from the light emitting unit 4 a, and a light distribution control unit 9. And a frame body 10 that is held and attached to the instrument body 2.

  The heat dissipating part 12 is a plate-like (disk-like in the present embodiment) main body 12a that can come into contact with the other surface (the upper surface in FIG. 2) of the mounting substrate 4b of the light source block 4, and is mounted on the main body 12a. It comprises a plurality of radiating fins 12b erected on the opposite side (upper side in FIG. 2) to the side contacting the other surface of the substrate 4b. As a material of the heat radiating part 12, for example, a metal (for example, aluminum, stainless steel, etc.) can be adopted. In the present embodiment, the planar size of the main body 12 a is set larger than the planar size of the mounting substrate 4 b of the light source block 4.

  The plurality of heat radiating fins 12b are arranged radially on one surface side (the upper surface side in FIG. 2) of the main body 12a.

  The heat radiating portion 12 is disposed between the emergency power supply block 3 and the light source block 4 inside the instrument main body 2. Further, the heat dissipating part 12 is arranged in the appliance main body 2 so as to be separated from the emergency power supply block 3. In the present embodiment, the mounting substrate 4 b of the light source block 4 is fixed to the other surface side (the lower surface side in FIG. 2) of the main body 12 a of the heat radiating unit 12. Further, in the present embodiment, as means for fixing the mounting substrate 4b of the light source block 4 to the main body 12a of the heat radiating unit 12, for example, an adhesive sheet (not shown) having electrical insulation and thermal conductivity is used. . Thereby, in the emergency lighting fixture 1 of this embodiment, it becomes possible to efficiently conduct the heat generated in the light source block 4 to the heat radiating unit 12. In the present embodiment, the adhesive sheet is used as means for fixing the mounting substrate 4b of the light source block 4 to the main body part 12a of the heat radiating part 12. However, the present invention is not limited thereto, and for example, a fixing screw or the like is used. May be. In this case, in the body portion 12a of the heat radiating portion 12, the portion corresponding to a plurality of (two in FIG. 2) fixing screw insertion holes 4c provided in advance at the end of the mounting substrate 4b of the light source block 4 A screw hole for screwing the fixing screw may be provided.

  As the light distribution control unit 9, for example, a lens formed of a light transmitting material (for example, acrylic resin, glass, etc.) can be employed. In the present embodiment, the light distribution control unit 9 is disposed on the light emitting surface side (the lower surface side in FIG. 2) of the light emitting unit 4 a of the light source block 4 inside the instrument main body 2.

  The light distribution control unit 9 is formed in a convex shape toward the light source block 4 side (upper side in FIG. 2), and a concave portion 9a for surrounding the light emitting surface side of the light emitting unit 4a is provided at the tip portion. Yes. In the present embodiment, the opening shape of the recess 9a is circular. Moreover, in this embodiment, the shape of the light emission surface 9b (refer FIG. 2) of the light distribution control part 9 is made into circular shape.

  Further, the light distribution control unit 9 is formed such that the outer diameter of the light distribution control unit 9 gradually decreases as it approaches the light source block 4 from the light emitting surface 9 b of the light distribution control unit 9. That is, in the present embodiment, the light distribution control unit 9 is designed to have a function of guiding the light incident from the recess 9a to the light exit surface 9b. In the present embodiment, the light emitting surface 9b has a circular shape, but this shape is not particularly limited.

  By the way, in the conventional emergency lighting fixtures, incandescent bulbs (for example, mini halogen bulbs, silica bulbs, mini bulbs, etc.) and fluorescent lamps are used as the light source, and the floor surface within a predetermined radius from directly below the emergency lighting fixtures. In order to set the illuminance on the horizontal plane to 1 lux or more, a reflecting mirror for controlling light distribution from the light source was provided.

  In an emergency lighting apparatus having a reflecting mirror, the inner diameter of the apparatus main body is increased due to the size of the reflecting mirror, and it is difficult to reduce the size of the apparatus main body. For this reason, in such an emergency lighting fixture, when it is embedded in the ceiling material, the inner diameter dimension of the embedding hole formed in the ceiling material is increased, and the designability at the installation location of the emergency lighting fixture is impaired. there is a possibility.

  On the other hand, in the emergency lighting fixture 1 of this embodiment, in order to set the horizontal illuminance of the floor surface within a predetermined radius from directly below the emergency lighting fixture 1 to 1 lux or more, the light emission composed of a white LED as a light source. A unit 4a and a light distribution control unit 9 including a lens are provided. For this reason, in the emergency lighting fixture 1 of this embodiment, compared with the emergency lighting fixture which has a reflective mirror, it becomes possible to make the internal-diameter dimension of the fixture main body 2 small, and the size reduction of the fixture main body 2 is attained. . Furthermore, in the emergency lighting fixture 1 of this embodiment, it becomes possible to make small the internal diameter dimension of the embedding hole formed in the said ceiling material, and it prevents that the designability in the installation place of the emergency lighting fixture 1 is impaired. It becomes possible.

  The frame 10 is made of a non-translucent material (for example, metal, white opaque resin, etc.). The frame 10 has a plate-like (disc-like in this embodiment) bottom wall 10a having an opening hole 10d (see FIG. 2) at the center, and projects upward from the outer peripheral edge of the bottom wall 10a. The first side wall 10b and the second side wall 10c projecting upward from the inner peripheral edge of the opening hole 10d. In the present embodiment, the shape of the opening hole 10d of the frame 10 is circular, but it may be the same as the shape of the light exit surface 9b of the light distribution control unit 9. Further, in the present embodiment, the inner diameter dimension of the opening hole 10 d of the frame body 10 is set slightly larger than the outer diameter dimension of the light emitting surface 9 b of the light distribution control unit 9.

  In the present embodiment, a plurality of projections (not shown) projecting outward are provided on the outer peripheral portion of the light distribution control unit 9 on the light emitting surface 9b side. In the present embodiment, a plurality of recesses (not shown) are formed on the second side wall 10c of the frame body 10 to hold the projections of the light distribution control unit 9 separately. That is, in the present embodiment, the frame body 10 holds the light distribution control unit 9 by arranging the protrusions of the light distribution control unit 9 in the concave portions of the second side wall 10 c of the frame body 10. Is possible. In this embodiment, the frame 10 uses the projections of the light distribution control unit 9 and the recesses of the second side wall 10c of the frame 10 as means for holding the light distribution control unit 9. This means is not particularly limited.

  Moreover, in this embodiment, the engagement nail | claw (not shown) for attaching the frame 10 to the instrument main body 2 is provided in the upper end part of the 1st side wall 10b of the frame 10 in several places. Moreover, in this embodiment, the engaging part (not shown) with which each said engaging claw of the 1st side wall 10b of the frame 10 each engages in the collar part 2c of the instrument main body 2 is provided in several places. It has been. That is, in the present embodiment, the frame body 10 is attached to the instrument body by individually engaging the engagement claws of the first side wall 10b of the frame body 10 with the engagement portions of the flange 2c of the instrument body 2. 2 can be attached. In the present embodiment, as means for attaching the frame body 10 to the instrument body 2, the engagement claws on the first side wall 10 b of the frame body 10 and the engagement sections on the flange 2 c of the instrument body 2 are used. However, this means is not particularly limited.

  In addition, in this embodiment, although the shape of the bottom wall 10a of the frame 10 is made into disk shape, it is not restricted to this shape, For example, rectangular plate shape etc. may be sufficient.

  The emergency lighting device 1 includes a power supply device 5 that can charge and discharge the emergency power supply block 3 and can turn on the light source block 4, and a power supply device that protrudes laterally from the bottom wall 2a side of the fixture body 2. And a holding member 6 that holds 5.

  The power supply device 5 includes a charge / discharge circuit (not shown) capable of charging and discharging the emergency power supply block 3, a lighting circuit (not shown) capable of lighting the light source block 4, the charge / discharge circuit, and the lighting circuit. And a circuit board 5a on which a plurality of electronic components constituting the circuit board are mounted. In the present embodiment, the power supply device 5 is provided with a detection unit (not shown) that detects an emergency such as, for example, a power failure of the commercial power supply.

  As the circuit board 5a, for example, a printed wiring board formed of an insulating base material made of glass epoxy resin or the like can be employed. In the present embodiment, for convenience of explanation, one surface (a lower surface in FIG. 1) on which a plurality of electronic components are mounted on the circuit board 5a is referred to as a mounting surface.

  The holding member 6 is formed in a box shape (in the present embodiment, a rectangular parallelepiped shape) having an opening surface 6a (see FIG. 2) on one side surface. As a material of the holding member 6, for example, a synthetic resin or a metal can be used. When using a synthetic resin as the material of the holding member 6, for example, PBT may be employed. Further, when a metal is used as the material of the holding member 6, for example, iron, aluminum, stainless steel or the like may be employed.

  L-shaped projecting pieces 6e are provided on the opening surface 6a side (left side in FIG. 3) of both side walls 6c and 6d in the width direction (vertical direction in FIG. 3) of the holding member 6.

  In the present embodiment, the above-described power supply device 5 is disposed inside the holding member 6. In the present embodiment, the power supply device 5 is held by the holding member 6 so that the other surface (the upper surface in FIG. 1) opposite to the mounting surface of the circuit board 5a faces the inner surface of the upper wall 6b of the holding member 6. It is arranged inside.

  A first connector provided at the tip of a power line (not shown) from a commercial power source (not shown) is provided on the other side (the right side in FIG. 1) of the holding member 6 opposite to the opening 6a side. A second connector 14 that can be detachably connected (not shown) is provided. A first window hole 6f (see FIG. 2) for exposing the second connector 14 is formed in one of the side walls 6c of the side walls 6c, 6d of the holding member 6. In the present embodiment, the second connector 14 and the circuit board 5a of the power supply device 5 are electrically connected by a first connection line (not shown). In the present embodiment, the second connector 14 is provided inside the holding member 6. However, the present invention is not limited to this, and for example, the second connector 14 may be mounted on the mounting surface of the circuit board 5a of the power supply device 5.

  In the emergency lighting fixture 1 of the present embodiment, each protruding piece 6e of the holding member 6 protrudes sideways from the upper end portion of the side wall 2b of the fixture main body 2 so that the projection 6e of the holding member 6 is on the bottom wall 2a side of the fixture main body 2. It is connected to. More specifically, in the emergency lighting fixture 1, the support portion 2 d (see FIGS. 2 and 3) for supporting each protruding piece 6 e of the holding member 6 is provided on the upper end portion of the side wall 2 b of the fixture body 2. It is provided in the place. In the present embodiment, each support portion 2 d is formed by denting a part of the upper end portion of the side wall 2 b of the instrument body 2.

  Further, each protrusion 6e is provided with a first insertion hole (not shown) through which a connecting tool 15 for connecting each protrusion 6e to each support portion 2d of the instrument body 2 is connected. Has been. As the connector 15, for example, a shaft pin or the like may be employed.

  Each support portion 2d of the instrument body 2 is provided with a bearing hole (not shown) for bearing the connector 15 at each position corresponding to the first insertion hole of each protrusion 6e. ing.

  In the emergency lighting fixture 1 of the present embodiment, each of the projections 6e of the holding member 6 is individually supported by the support portions 2d of the fixture body 2, and the connecting tool 15 is connected to the first of the projections 6e. The protrusions 6e of the holding member 6 can be connected to the bottom wall 2a side of the instrument body 2 by being inserted into the insertion holes and supported by the respective bearing holes of the instrument body 2. Thereby, in the emergency lighting fixture 1 of this embodiment, it becomes possible to rotate the holding member 6 centering | focusing on the connector 15. FIG. That is, in the emergency lighting fixture 1 of the present embodiment, the other end portion (the right end portion in FIG. 1) of the holding member 6 opposite to the one end portion on the fixture main body 2 side is above the bottom wall 2a of the fixture main body 2. The holding member 6 can be pivoted to the bottom wall 2a side of the instrument body 2 via the connector 15 so as to be pivotable between the position of the instrument body 2 and the side position of the side wall 2b of the instrument body 2. It is connected. In the present embodiment, the other end portion of the holding member 6 may be rotated to a position that is obliquely below the one end portion of the holding member 6.

  In the emergency lighting fixture 1 of the present embodiment, the power supply device 5 is disposed inside the holding member 6 provided separately from the fixture main body 2, so that the emergency example of the conventional example having the configuration shown in FIG. Compared to the lighting fixture, the fixture body 2 can be further reduced in size.

  Moreover, in the emergency lighting fixture 1 of this embodiment, since the holding member 6 can be rotated centering | focusing on the connection tool 15, when this emergency lighting fixture 1 is embedded and arranged in the said ceiling material, it hold | maintains. The member 6 can be disposed on the upper side of the instrument body 2. Thereby, in the emergency lighting fixture 1 of this embodiment, it becomes possible to make small the internal diameter dimension of the embedding hole previously formed in the said ceiling material, and the designability in the installation place of the emergency lighting fixture 1 is impaired. Can be prevented.

  Moreover, in the emergency lighting fixture 1 of this embodiment, since the holding member 6 can be rotated centering | focusing on the connection tool 15, when embedding and arranging the holding member 6 and the instrument main body 2 in the said ceiling material, The holding member 6 can be disposed on the side of the instrument body 2. Thereby, in the emergency lighting fixture 1 of the present embodiment, for example, even when the ceiling is a double ceiling and the height (embedding depth) of the emergency lighting fixture 1 is limited, this emergency lighting is provided. It becomes possible to embed and arrange the appliance 1 in the ceiling material. In the present embodiment, after the holding member 6 and the instrument body 2 are embedded in the ceiling material, the holding member 6 is rotated to a position on the side of the instrument body 2 by, for example, the weight of the holding member 6. You may do it.

  Further, the power supply device 5 is provided with a first relay portion 8 that can be electrically connected to the emergency power supply block 3 and the light source block 4 on the mounting body 2 side (left side in FIG. 1) of the circuit board 5a. It has been. In the present embodiment, a terminal block is used as the first relay unit 8, but the present invention is not limited thereto, and for example, a connector or the like may be used.

  In the present embodiment, the second connection line 16 electrically connected to the emergency power supply block 3 and the light source block 4 are connected to the portion facing the opening surface 6 a of the holding member 6 on the bottom wall 2 a side of the instrument body 2. A lead-out hole 2e for leading out the electrically connected third connection line 17 is provided. In the present embodiment, each of the second connection line 16 and the third connection line 17 led out from the lead-out hole 2 e of the instrument body 2 is electrically connected to the first relay unit 8 of the power supply device 5. . Here, on the other surface side (the upper surface side in FIG. 1) of the mounting substrate 4 b of the light source block 4, a second relay unit 18 that can be electrically connected to the power supply device 5 is provided. In the present embodiment, a terminal block is used as the second relay unit 18, but the present invention is not limited thereto, and for example, a connector or the like may be used. In addition, the second relay portion 18 and the third connection line 17 are provided on a portion of the main body portion 12a of the heat radiating portion 12 that faces the second relay portion 18 provided on the other surface side of the mounting substrate 4b of the light source block 4. A second insertion hole (not shown) for insertion is provided.

  By the way, the present inventors have considered the emergency lighting fixture 1 having the configuration shown in FIG. 4 as another configuration example of the emergency lighting fixture 1 having the configuration shown in FIGS. The emergency lighting fixture 1 is only provided with the first relay portion 8 on the second connector 14 side opposite to the fixture body 2 side on the mounting surface of the circuit board 5a of the power supply device 5. FIG. And it differs from the emergency lighting fixture 1 of the structure shown in FIG.

  In the emergency lighting fixture 1 having the configuration shown in FIG. 4, the first relay unit 8 is provided on the second connector 14 side of the mounting surface of the circuit board 5 a of the power supply device 5, so the configuration shown in FIGS. 1 and 2. Compared to the emergency lighting apparatus 1, the lengths of the second connection line 16 and the third connection line 17 are increased, and there is a possibility that the voltage drop due to the connection lines 16 and 17 is increased.

  On the other hand, in the emergency lighting fixture 1 having the configuration shown in FIGS. 1 and 2, the first relay portion 8 is provided on the mounting body 2 side of the circuit board 5 a of the power supply device 5. Compared with the emergency lighting fixture 1 having the configuration shown in FIG. 4, the lengths of the second connection line 16 and the third connection line 17 are shortened, and the increase in voltage drop due to the connection lines 16 and 17 is suppressed. It becomes possible.

  In the emergency lighting fixture 1 of the present embodiment, the wiring path 19 between the power supply device 5 and the light source block 4 is provided in the space between the side wall 2b of the fixture main body 2 and the emergency power supply block 3. The wiring path 19 is a space for arranging the third connection line 17 that electrically connects the power supply device 5 and the light source block 4. In the present embodiment, the third connection line 17 is arranged in the wiring path 19 provided in the space between the side wall 2b of the appliance main body 2 and the emergency power supply block 3. In the present embodiment, the second connection line 16 is disposed in the space 20 between the bottom wall 2a of the appliance body 2 and the emergency power supply block 3.

  In addition, the emergency lighting fixture 1 includes an inspection switch unit 11 that checks whether the power supply device 5 operates normally when power supply from the commercial power supply to the power supply device 5 is interrupted. This inspection switch part 11 produces the power failure state of a commercial power supply in a pseudo manner.

  The inspection switch unit 11 includes an operation button 11 a (see FIG. 2) for checking the operation of the power supply device 5, a first display unit 11 b that displays the charging state of the emergency power supply block 3, and the state of the light source block 4. An inspection device (not shown) including a second display unit 11c for displaying is provided. In the present embodiment, for example, light emitting elements are used as the display units 11b and 11c.

  Moreover, the inspection switch part 11 is provided with the 2nd housing | casing 21 which accommodates the said inspection apparatus. In this embodiment, the 2nd housing | casing 21 is formed in the shape along the side wall 2b of the instrument main body 2. As shown in FIG. As a material of the second housing 21, for example, a synthetic resin (for example, PBT) can be employed.

  In the present embodiment, a virtual circular shape in which the planar view shape combining the first housing 7 of the emergency power supply block 3 and the second housing 21 of the inspection switch unit 11 is slightly smaller than the opening shape of the instrument body 2 is used. Thus, the shapes of the first housing 7 and the second housing 21 are determined. More specifically, the first housing 7 of the emergency power supply block 3 is formed in a shape larger than a semi-cylindrical shape in which the shape of both bottom surfaces is a half of the virtual circular shape that is the virtual circular shape. ing. In addition, the second casing 21 of the inspection switch unit 11 is formed in a shape smaller than the remaining half columnar shape obtained by dividing the virtual columnar shape in half. Here, in the present embodiment, a concave portion 21d (see FIG. 2) along the vertical direction is provided on the surface of the second casing 21 of the inspection switch unit 11 that faces the first casing 7. In the present embodiment, the shape of the recess 21 d is a shape (curved shape) along the outer peripheral portion of the heat dissipating unit 12 and the light distribution control unit 9.

  In the emergency lighting device 1, the inspection switch unit 11 and the emergency power supply block 3 are arranged inside the device main body 2 so that the inspection switch unit 11 and the emergency power supply block 3 do not interfere with each other. In the present embodiment, the third connection line 17 is arranged in a space 24 (see FIG. 2) surrounded by the emergency power supply block 3 and the inner surface of the recess 21d in the second housing 21 of the inspection switch unit 11. . Thereby, in the emergency lighting fixture 1 of this embodiment, it becomes possible to arrange the 3rd connection line 17 using the recessed part 21d.

  A second window hole 21a (see FIG. 2) for exposing the operation button 11a is formed in the bottom wall (the lower wall in FIG. 2) of the second housing 21. The bottom wall of the second housing 21 is formed with a third window hole 21b for extracting light from the first display portion 11b. Further, a fourth window hole 21c for taking out light from the second display portion 11c is formed in the bottom wall of the second housing 21.

  In this embodiment, the said inspection apparatus is accommodated in the inside of the 2nd housing | casing 21, and the operation button 11a is exposed from the 2nd window hole 21a.

  Further, the inspection switch unit 11 is arranged in the above-described wiring path 19 and along a part of the outer peripheral portion of the heat radiating unit 12 and the light distribution control unit 9 inside the instrument main body 2. In the present embodiment, the heat radiating unit 12 and the light distribution control unit 9 are arranged inside the instrument main body 2 using the above-described recess 21d. In the present embodiment, the heat conducted from the light source block 4 to the heat radiating portion 12 can be radiated from the outlet hole 2 e of the instrument body 2 using the space 24 described above. Thereby, in the emergency lighting fixture 1 of this embodiment, it becomes possible to efficiently radiate the heat generated in the light source block 4 to the outside of the fixture body 2.

  Here, the bottom wall 10a of the frame body 10 is formed with a fifth window hole 10e (see FIG. 2) for exposing the operation unit 11a at a position corresponding to the operation unit 11a of the inspection switch unit 11. Further, the bottom wall 10a of the frame 10 is formed with a sixth window hole 10f for extracting light from the first display portion 11b at a position corresponding to the first display portion 11b of the inspection switch portion 11. Furthermore, the bottom wall 10a of the frame 10 is formed with a seventh window hole 10g for extracting light from the second display portion 11c at a position corresponding to the second display portion 11c of the inspection switch portion 11.

  In the present embodiment, the inspection switch unit 11 is provided with a third relay unit 22 that can be electrically connected to the power supply device 5. Specifically, the above-described third relay unit 22 is provided in the inspection device. In the present embodiment, a terminal block is used as the third relay unit 22, but the present invention is not limited to this. For example, a connector or the like may be used. In the present embodiment, the fourth connection line 23 electrically connected to the third relay portion 22 is led out from the lead-out hole 2 e of the instrument body 2 and electrically connected to the first relay portion 8 of the power supply device 5. It is connected.

  Moreover, in this embodiment, the peripheral part of the embedding hole (not shown) previously formed in the said ceiling material is made into the collar part 2c in the lower end part side (lower side in FIG. 2) of the side wall 2b of the instrument main body 2. FIG. A pair of mounting brackets 25, 25 that can be sandwiched between the two are provided. Here, on the lower end side of the side wall 2b of the instrument main body 2, two slide grooves 2f for holding the mounting bracket 25 slidably in the vertical direction are formed. In the emergency lighting fixture 1 of the present embodiment, before placing the emergency power supply block 3, the inspection switch unit 11, etc. inside the fixture body 2, for example, an operator embeds the fixture body 2 in the ceiling material. By inserting each mounting bracket 25 downward from the inside of the instrument body 2 with the flange 2c abutting against the lower surface of the ceiling material inserted from below, the peripheral portion of the embedded hole is It can be clamped between the portion 2c and each mounting bracket 25. Thereby, in the emergency lighting fixture 1 of this embodiment, it becomes possible to embed and arrange the fixture main body 2 in the ceiling material. In FIG. 2, one mounting bracket 25 is visible from the pair of mounting brackets 25, 25. Moreover, in FIG. 2, one slide groove 2f is visible out of the two slide grooves 2f.

  Further, in the present embodiment, heat conducted from the light source block 4 to the heat radiating portion 12 can be radiated from each slide groove 2 f of the instrument body 2. Thereby, in the emergency lighting fixture 1 of this embodiment, it becomes possible to efficiently radiate the heat generated in the light source block 4 to the outside of the fixture body 2.

  By the way, emergency lighting fixtures generally require replacement of the storage battery about every four years.

  In the conventional emergency lighting apparatus having the configuration shown in FIG. 7, an emergency power supply 54 is provided above the apparatus main body 51, and the bottom wall of the apparatus main body 51 and the charging unit 55 mounted on the power supply board 57 are provided. An emergency power supply 54 is disposed between them. For this reason, in the conventional emergency lighting apparatus, there is a concern that workability for replacing the emergency power supply 54 may be reduced.

  On the other hand, in the emergency lighting fixture 1 of the present embodiment, the power supply device 5 is disposed inside the holding member 6 provided separately from the fixture body 2, and the inspection switch unit 11 and the emergency power source are provided. Since the inspection switch unit 11 and the emergency power supply block 3 are arranged inside the fixture body 2 so as not to interfere with the block 3, the emergency power supply block 3 is replaced as compared with the conventional emergency lighting fixture. It is possible to improve workability.

  Hereinafter, operation | movement of the emergency lighting fixture 1 of this embodiment is demonstrated easily. In the present embodiment, the light source block 4 is described as being off.

  The power supply device 5 charges the emergency power supply block 3 when power is supplied from a commercial power supply (hereinafter referred to as normal time).

  In addition, the power supply device 5 discharges the emergency power supply block 3 when power supply from the commercial power supply is interrupted (hereinafter referred to as an emergency). Then, the power supply device 5 turns on the light source block 4 using the output voltage from the emergency power supply block 3 as a power source.

  In addition, although the emergency lighting fixture 1 of this embodiment is what is called a special-type emergency lighting fixture which lights the light source block 4 only at the time of emergency, such as at the time of a power failure of a commercial power source, for example, it is not restricted to this. The light source block 4 may be turned on during normal times and emergency times, so-called combination type emergency lighting fixtures may be used.

  The emergency lighting fixture 1 of the present embodiment described above includes a bottomed cylindrical appliance body 2, an emergency power supply block 3 disposed on the bottom wall 2a side of the appliance body 2 inside the appliance body 2, and an appliance. A light source block 4 disposed on the opening side of the instrument main body 2 inside the main body 2 is provided. Further, the emergency lighting fixture 1 of the present embodiment projects from the power supply device 5 capable of charging and discharging the emergency power supply block 3 and lighting the light source block 4 to the side from the bottom wall 2a side of the fixture body 2. And a holding member 6 that holds the power supply device 5. And in the emergency lighting fixture 1 of this embodiment, since the wiring path | route 19 of the power supply device 5 and the light source block 4 is provided in the space between the side wall 2b of the instrument main body 2, and the emergency power supply block 3, Compared to the conventional emergency lighting fixture having the configuration shown in FIG. 7, the fixture body 2 can be further reduced in size.

  Moreover, in the emergency lighting fixture 1 of this embodiment, since the 1st relay part 8 which can be electrically connected with the emergency power supply block 3 and the light source block 4 is provided in the appliance main body 2 side of the power supply device 5, Compared with the case where the power supply device 5 is provided on the second connector 14 side opposite to the instrument main body 2 side, it is possible to suppress an increase in voltage drop due to the connection lines 16, 17, and 23.

(Embodiment 2)
The emergency lighting fixture 1 of the present embodiment has a basic configuration substantially the same as that of the first embodiment, and the inspection switch unit 11 is provided on the mounting substrate 4b of the light source block 4 as shown in FIGS. The points are different from the first embodiment. In addition, the same code | symbol is attached | subjected to the component similar to Embodiment 1, and description is abbreviate | omitted suitably. Also in this embodiment, the emergency power supply block 3 is disposed inside the instrument body 2 on the bottom wall 2a side of the instrument body 2 and on the side wall 2b side of the instrument body 2, but this arrangement is particularly limited. For example, you may arrange | position in the center part by the side of the bottom wall 2a inside the instrument main body 2. FIG.

  The mounting substrate 4b has a circular shape in plan view. In the present embodiment, the planar view shape of the mounting substrate 4b is circular, but is not limited to this, and may be, for example, a rectangular shape or another polygonal shape.

  The emergency lighting fixture 1 of the present embodiment includes a heat radiating portion 26 having a shape different from that of the heat radiating portion 12 of FIGS. 1 and 2 described in the first embodiment.

  The heat radiating portion 26 has a plate-like (substantially semicircular shape in this embodiment) body portion 26a that can come into contact with a part of the other surface (the upper surface in FIG. The main body portion 26a includes a plurality of radiating fins 26b erected on the opposite side (upper side in FIG. 6) to the side that contacts a part of the other surface of the mounting substrate 4b. As a material of the heat radiating part 26, for example, a metal (for example, aluminum, stainless steel, etc.) can be adopted. In the present embodiment, the planar size of the mounting substrate 4 b is set larger than the planar size of the main body portion 26 a of the heat radiating portion 26. In the present embodiment, the shape of the main body portion 26a in plan view is a substantially semicircular shape, but it may be any shape as long as the planar size of the main body portion 26a is smaller than the planar size of the mounting substrate 4b.

  Further, the heat radiating portion 26 is disposed between the emergency power supply block 3 and the light source block 4 inside the instrument main body 2. Further, the heat dissipating part 26 is arranged in the appliance body 2 so as to be separated from the emergency power supply block 3. In the present embodiment, the mounting substrate 4 b of the light source block 4 is fixed to one surface side (the lower surface side in FIG. 6) of the main body portion 26 a of the heat radiating portion 26. In the present embodiment, as means for fixing the mounting substrate 4b of the light source block 4 to the main body portion 26a of the heat radiating portion 26, for example, an adhesive sheet (not shown) having electrical insulation and thermal conductivity is used. . Thereby, in the emergency lighting fixture 1 of this embodiment, it becomes possible to efficiently conduct the heat generated in the light source block 4 to the heat radiating unit 26. In the present embodiment, the adhesive sheet is used as means for fixing the mounting substrate 4b of the light source block 4 to the main body part 26a of the heat radiating part 26. However, the present invention is not limited to this means. May be.

  In the emergency lighting fixture 1 of the present embodiment, the above-described inspection switch unit 11 is mounted on the one surface side (the lower surface side in FIG. 6) of the mounting substrate 4 b of the light source block 4. More specifically, the inspection switch portion 11 is mounted on the one surface side of the peripheral portion of the mounting substrate 4b.

  The inspection switch section 11 is designed so that the height dimension of the inspection switch section 11 is smaller than the height dimension of the inspection switch section 11 of FIGS. 1 and 2 described in the first embodiment. The inspection switch unit 11 is disposed between the mounting substrate 4 b of the light source block 4 and the bottom wall 10 a of the frame body 10 along the part of the outer peripheral portion of the light distribution control unit 9 inside the instrument body 2. Are arranged.

  Moreover, in the emergency lighting fixture 1 of this embodiment, the 2nd relay part 18 is provided in the said other surface side of the peripheral part in the mounting board | substrate 4b of the light source block 4. FIG.

  The second relay unit 18 is disposed on the opposite side of the inspection switch unit 11 with the mounting substrate 4b as a boundary. In the present embodiment, the second relay unit 18 also serves as the third relay unit 22 of FIG. 1 described in the first embodiment.

  Therefore, in the emergency lighting fixture 1 of this embodiment, the 3rd relay part 22 and the 4th connection line 23 of FIG. 1 which were demonstrated in Embodiment 1 become unnecessary.

DESCRIPTION OF SYMBOLS 1 Emergency lighting fixture 2 Appliance main body 2a Bottom wall 2b Side wall 3 Emergency power supply block 4 Light source block 4a Light emission part 4b Mounting board 5 Power supply device 6 Holding member 8 1st relay part 18 2nd relay part 19 Wiring path

Claims (3)

  A bottomed cylindrical instrument body, an emergency power supply block disposed on the bottom wall side of the instrument body inside the instrument body, and a light source block disposed on the opening side of the instrument body inside the instrument body A power supply device that can charge and discharge the emergency power supply block and can light the light source block, and a holding member that protrudes from the bottom wall side of the instrument body to the side and holds the power supply device. An emergency lighting fixture comprising: a wiring path between the power supply device and the light source block in a space between the side wall of the fixture main body and the emergency power supply block.   The emergency lighting fixture according to claim 1, wherein a first relay portion that is electrically connectable to the emergency power supply block and the light source block is provided on the fixture main body side of the power supply device.   The said light source block has a mounting board | substrate with which the light emission part was mounted, and the 2nd relay part which can be electrically connected with the said power supply device is provided in the said mounting board | substrate. Emergency lighting equipment.

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