JP7356080B2 - lighting equipment - Google Patents

Description

Embodiments of the present invention relate to a lighting device that covers a fixture body with a cover.

BACKGROUND ART Conventionally, a typical configuration of a lighting device installed on a ceiling surface is such that a main body, a light source unit, etc. are attached to the ceiling surface and then covered with a cover part. For example, it is a structure in which a cover part is attached to a light source unit equipped with a light source, a battery, etc., and is fixed by fitting a claw of the cover part into a locking part of the light source unit.

However, when attaching the cover part, it is difficult to align the locking part and the claw, and it is also difficult to remove the cover part when replacing the battery. Therefore, it is necessary to improve the mounting structure of the cover part.

Japanese Patent Application Publication No. 2008-262714

An object of the present invention is to provide a lighting device that can improve workability when attaching a cover.

The lighting device of the embodiment includes a device main body portion whose upper surface side is fixed to a surface to which it is attached, at least two mounting members fixed to the lower surface side of the device main body portion and protruding from the lower surface side , and a cover portion. The cover part has a lower surface part and a peripheral surface part rising from the periphery of the lower surface part, and includes a cover that covers the mounting member, a mounting part provided on the lower surface part that is attached to the distal end side of the mounting member , and a peripheral surface part that rises from the periphery of the lower surface part. and a positioning part that positions the mounting part attached to the distal end side of the mounting member.

According to the lighting device of the embodiment, it can be expected that the workability at the time of attaching the cover will be improved.

FIG. 1 is a cross-sectional view of a lighting device showing one embodiment. It is a perspective view of the lighting device same as the above. It is a perspective view of the appliance main body part and cover part of the lighting device same as the above in an exploded state. It is a bottom view of the fixture main body part of the lighting device same as the above. It is a sectional view of the cover part in which the attachment member of the appliance main body part of the lighting device same as the above is positioned.

Hereinafter, one embodiment will be described with reference to the drawings.

As shown in FIGS. 1 to 3, the lighting device 10 is a direct-mounted lighting device that is installed on an installation surface (mounting surface), for example, a ceiling surface. Furthermore, the lighting device 10 is a waterproof lighting device suitable for outdoor use. Furthermore, the lighting device 10 is an emergency lighting device that is turned on using power from a built-in emergency power source when an external power source is cut off, such as during a power outage.

The lighting device 10 has a cylindrical appearance. The lighting device 10 includes an appliance body 11 that is attached to a ceiling surface, and a cover 12 that is attached to the appliance body 11 so as to cover the appliance body 11.

As shown in FIGS. 1, 3, and 4, the device main body 11 includes a chassis 20 that is the device main body, a packing 21 disposed on the top side of the chassis 20, and a light source attached to the bottom side of the chassis 20. The unit includes an emergency light unit 22, a battery unit 23, a terminal block 24, a plurality of mounting members 25, and the like.

The chassis 20 is made of metal, for example, and has a disk shape. The chassis 20 is provided with a wiring opening 28 in the center, and a plurality of mounting holes 29 for screwing to the ceiling surface are provided around the wiring opening 28.

Further, the packing 21 is made of silicone resin or rubber, for example, and is formed into a disk shape. Packing 21 has an outer diameter larger than the outer diameter of chassis 20, and is attached to the upper surface side of chassis 20. A wire insertion portion 33 having a wire hole 32 is provided in the center of the packing 21. The wire insertion portion 33 projects in the vertical direction of the packing 21. The lower side of the wiring insertion portion 33 protruding downward from the packing 21 is inserted into the wiring opening 28 of the chassis 20.

The emergency light unit 22 also includes a radiator 36, a light source section 37 attached to the radiator 36, a power source section 38 that supplies lighting power to the light source section 37, and the like.

The heat sink 36 is made of metal such as aluminum, and is arranged at the center of the lower surface of the chassis 20. The heat radiator 36 has a light source mounting part 40 on the lower side and a plurality of mounting legs 41 on the upper side that protrude upward from the light source mounting part 40. The plurality of mounting legs 41 are attached to the lower surface of the chassis 20 at positions around the wiring insertion portion 33 of the packing 21, for example, by screwing.

The light source section 37 includes a light source module 43, a socket 44 that holds the light source module 43 in an electrically connected state, a lens 45 that is arranged to face the light source module 43, and a holding frame section 46 that holds the lens 45. .

The light source module 43 of the light source section 37 is a COB (Chip On Board) module in which a substrate 47 and a plurality of light emitting elements (LED chips) mounted on this substrate 47 are sealed with a phosphor layer, or a COB (Chip On Board) module that is surface mounted on this substrate 47. It has a light emitting section 48 such as a surface-mounted light emitting element (LED). Note that for the light source module 43, for example, organic EL or other light emitting elements may be used.

The socket 44 of the light source section 37 includes a socket body 49 formed in an annular shape from an insulating material, and a pair of terminals arranged within the socket body 49. The substrate 47 of the light source module 43 is fitted into the upper surface of the socket body 49, and the light emitting part 48 of the light source module 43 is arranged in the central opening of the socket body 49. The socket 44 is fastened and fixed to the lower surface of the light source mounting portion 40 of the heat radiator 36 with a substrate 47 of the light source module 43 interposed therebetween, using a plurality of screws. Therefore, the substrate 47 of the light source module 43 is pressed against the radiator 36 by the socket 44 and is thermally connected. The terminal of the socket 44 contacts the substrate 47 of the light source module 43 and is electrically connected to the light emitting section 48, and the internal wiring from the power supply section 38 is inserted and electrically connected.

The lens 45 of the light source section 37 is made of transparent glass, resin, or the like. The lens 45 is arranged to face the light emitting section 48 of the light source module 43, and emits the light incident from the light emitting section 48 in a predetermined light distribution.

The holding frame part 46 of the light source part 37 is formed in an annular shape and holds the peripheral part of the lens 45 by pressing it against the socket 44 side.

The power supply section 38 includes a power supply circuit and a power supply case 50 that accommodates the power supply circuit. The power supply circuit charges the battery in the battery unit 23 when external power is supplied, and converts the power stored in the battery in the battery unit 23 into predetermined lighting power when the external power is cut off such as during a power outage, and supplies it to the light source module 43. The light emitting unit 48 is turned on. The power supply unit 38 and the socket 44 to which the light source module 43 is electrically connected are electrically connected by internal wiring.

The power supply case 50 is arranged on the lower surface side of the chassis 20 and on the side of the heat sink 36. The power supply case 50 includes a box-shaped power supply case main body 51 with an open bottom side that accommodates a power supply circuit, and a power supply case lid 52 that is attached to cover the bottom side of the power supply case main body 51. The upper side of the power supply case main body 51 is attached to the lower surface side of the chassis 20, for example, by screwing. The power supply case lid 52 also includes a decorative frame portion 53 on the lower side, a mounting piece portion 54 provided around the decorative frame portion 53 and attached to the power supply case body 51, and a mounting piece portion 55 attached to the radiator 36. have. A holding frame portion 46 that holds the lens 45 is integrally formed with the decorative frame portion 53. A mounting piece portion 55 is provided on this holding frame portion 46. An inspection section 56 is provided in the decorative frame section 53. This inspection section 56 is provided with a plurality of holes 56a. Inside these holes 56a, there is a receiving section that receives inspection signals transmitted from a terminal such as an inspection remote control using a wireless medium such as infrared rays, a transmitting section that transmits inspection results to the terminal, a monitor lamp that displays inspection results, etc. is located.

Further, the battery unit 23 includes a battery 58 as an emergency power source, and a battery mounting bracket 59 to which the battery 58 is removably arranged.

As the battery 58, for example, a rechargeable secondary battery such as a nickel-cadmium battery, a nickel-metal hydride battery, or a lithium-ion battery is used. The battery 58 is electrically connected to the power supply unit 38 through a connector connection.

The battery mounting bracket 59 is located on the side of the power supply section 38, and is attached to the lower surface of the chassis 20, for example, by screwing. The battery mounting bracket 59 has a support portion 59a that supports the lower surface side of the battery 58, and both side portions 59b that are bent so as to expand toward the outer diameter side of the device main body 11. A battery 58 is arranged to be removable from the radial direction. The battery 58 placed on the battery mounting bracket 59 is removably held by a holding member such as a spring (not shown) attached to the battery mounting bracket 59.

As shown in FIG. 4, the battery 58 and battery mounting bracket 59 of the battery unit 23 are placed in an area other than the area A connecting the mounting member 25 and the center of the instrument body 11 (area A indicated by diagonal lines in FIG. 4). It is arranged. Furthermore, the battery 58 can be attached to and detached from the battery mounting bracket 59 from a region other than the region A in the radial direction of the instrument body 11. In other words, the battery 58 can be attached to and removed from areas other than area A in the radial direction of the instrument body 11.

Further, the terminal block 24 is attached to the lower surface side of the chassis 20, for example, by screwing. Terminal block 24 and power supply section 38 are electrically connected by internal wiring.

Furthermore, the attachment member 25 is attached to the peripheral portion of the chassis 20 and protrudes downward. The lower end side, which is the tip end side, of the mounting member 25 projects further downward than the emergency light unit 22 and the battery unit 23.

For example, three mounting members 25 are used and are arranged at equal intervals along the periphery of the chassis 20. One mounting member 25 is located at a position opposite to the battery unit 23 and facing the radiator 36, and the remaining two mounting members 25 are located at positions different from the battery 58 attachment/detachment area of the battery unit 23. They are arranged at positions spaced apart on both sides of the attachment/detachment area. That is, the batteries 58 of the battery unit 23 are arranged at opposing positions between two adjacent mounting members 25.

The mounting member 25 has an arm portion 61 that is long in the vertical direction, a fixing portion 62 provided on the upper end side of the arm portion 61, and a connecting portion 63 provided on the lower end side of the arm portion 61. The mounting member 25 is formed of an elongated metal plate, and has a fixing part 62 bent from the upper end of the arm part 61 and a connecting part 63 bent from the lower end of the arm part 61. The fixing portion 62 and the connecting portion 63 are bent in the same direction as the arm portion 61. The attachment member 25 is attached to the chassis 20 with the fixing part 62 and the connecting part 63 facing toward the center of the chassis 20.

The fixing part 62 is fixed to the lower surface side of the chassis 20 by screwing a screw 64 that passes through the chassis 20.

The connecting portion 63 is formed into a rectangular shape, and has a mounting hole 65 provided in the center. The peripheral edge of the mounting hole 65 extends so as to protrude above the connecting portion 63, and a mounting screw 66 (see FIG. 1) that passes through the cover portion 12 is screwed into the upper side of the mounting hole 65. The lower side is expanded downward to increase the diameter, and is configured to guide the mounting screw 66 to the center of the mounting hole 65.

Note that the mounting member 25 is not limited to a bent metal plate member, but may be a columnar or cylindrical member. Further, in this embodiment, three attachment members 25 are used, but if at least two attachment members 25 are used, the cover portion 12 can be stably attached to the instrument main body portion 11.

Next, as shown in FIGS. 1 to 3 and FIG. 11), a transparent plate 71 disposed inside this cover 70, and a transparent plate holding member 72 which is an annular member that holds this transparent plate 71 on the cover 70.

The cover 70 is made of, for example, a sheet metal and is integrally formed. The cover 70 has a lower surface portion 74 that is a disk-shaped front portion, and a cylindrical peripheral surface portion 75 rising from the periphery of the lower surface portion 74. A circular opening 76 is formed in the center of the lower surface portion 74. A plurality of attachment portions 77 are provided on the periphery of the lower surface portion 74 to be attached to the distal end side of the attachment member 25 of the instrument body portion 11. The attachment part 77 has an insertion hole 78 provided corresponding to the position of the attachment member 25 of the instrument main body part 11. A mounting screw 66 that is screwed into the mounting hole 65 of the mounting member 25 is inserted through the insertion hole 78 . The insertion holes 78 are arranged on the same circumference of the lower surface portion 74 of the cover 70. Furthermore, a plurality of threaded studs 79 for attaching the light-transmitting plate holding member 72 are fixed on the same circumference on the peripheral portion of the lower surface portion 74 on the inner diameter side of the attachment portion 77. The tip side of the threaded stud 79 projects inside (on the top side) of the lower surface portion 74 of the cover 70.

The upper end side of the peripheral surface portion 75 of the cover 70 is brought into contact with the lower surface side of the packing 21 and sealed. A bent portion 80 bent toward the center of the cover 70 is provided on the upper end side of the peripheral surface portion 75 in order to increase the contact area with the packing 21.

Further, the light-transmitting plate 71 is a transparent plate made of glass or resin, for example, and is formed into a disk shape with a larger diameter than the opening 76 of the cover 70. An annular packing 82 having a substantially U-shaped cross section is attached around the transparent plate 71. The transparent plate 71 is arranged inside (on the top side) of the lower surface part 74 of the cover 70, and the surrounding packing 82 is sandwiched between the lower surface part 74 of the cover 70 and the transparent plate holding member 72, so that the cover 70 The opening 76 is sealed.

Further, the transparent plate holding member 72 is formed by bending, for example, a circular metal plate. The transparent plate holding member 72 has a reflective frame part 84 at the center, a transparent plate holding frame part 85 around the reflective frame part 84, and a mounting frame part 86 around the transparent plate holding frame part 85. ing.

The reflective frame portion 84 has a circular opposing surface portion 87 facing the upper surface of the light-transmitting plate 71, and an annular inclined surface portion 88 inclined downward from the periphery of the opposing surface portion 87. A window hole 89 is formed in the opposing surface portion 87, through which the lens 45 is protruded and the inspection portion 56 is exposed. The window hole 89 is not circular but has an irregular shape having a circular window hole portion 89a from which the central lens 45 is protruded, and a window hole portion 89b facing the inspection portion 56 around the window hole portion 89a. It is formed.

The transparent plate holding frame part 85 has a sandwiching part 90 that holds the transparent plate 71 between it and the inside (top side) of the lower surface part 74 of the chassis 20 via the packing 82, and It has a side surface portion 91 that holds the peripheral surface of the light plate 71.

The mounting frame portion 86 is disposed inside the lower surface portion 74 of the chassis 20 (on the upper surface side), and is inserted into a plurality of threaded studs 79 protruding from the inside (upper surface side) of the lower surface portion 74 of the cover 70. Then, by screwing a nut onto the tip end of the threaded stud 79, it is tightened and fixed to the chassis 20 with the light-transmitting plate 71 sandwiched between it and the chassis 20 via the packing 82.

Further, the cover section 12 has a positioning section 92 that positions the distal end side of the attachment member 25 of the instrument body section 11 and the attachment section 77 of the cover 70 that covers the instrument body section 11. The positioning portion 92 is provided on the transparent plate pressing member 72 disposed inside (on the upper surface side) of the lower surface portion 74 of the cover 70. The positioning portion 92 is constituted by a notch portion 93 provided at the peripheral edge of the mounting frame portion 86 of the transparent plate holding member 72. The cutout portion 93 is provided corresponding to the position of the attachment portion 77 (insertion hole 78) of the cover 70. The distal end side of the attachment member 25, that is, the connection portion 63, fits into the notch 93, thereby positioning the connection portion 63 of the attachment member 25. Due to this positioning, the insertion hole 78 of the cover 70 and the attachment hole 65 of the attachment member 25 are arranged approximately coaxially.

When installing the lighting device 10 on the ceiling, insert the power wire drawn out from the hole provided in the ceiling into the wiring hole 32 of the wiring insertion part 33 of the packing 21 from the top to the bottom. , connect the tip end of the inserted power wire to the terminal block 24 on the bottom side of the chassis 20.

The chassis 20 is pressed against the ceiling surface via the packing 21, and a plurality of screws inserted through the plurality of mounting holes 29 of the chassis 20 are screwed onto the ceiling surface, thereby fixing the appliance main body 11 to the ceiling surface.

The cover 70 of the cover section 12 is attached to the instrument main body section 11 from below. At this time, it is preferable to match the circumferential direction of the cover 70 with respect to the instrument body 11 so that the position of the inspection part 56 of the instrument body 11 corresponds to the shape of the window hole 89 of the cover 70.

When the cover 70 of the cover part 12 is attached from below to the instrument body part 11, if the position of the cover part 12 in the circumferential direction with respect to the instrument body part 11 does not match, that is, the distal end side of the mounting member 25 and the transparent plate If the position of the holding member 72 and the notch 93 do not match, the mounting frame portion 86 of the transparent plate holding member 72 comes into contact with the distal end side of the mounting member 25. The fact that the circumferential position of the cover part 12 with respect to the instrument body part 11 does not match can be confirmed from the correspondence between the position of the inspection part 56 of the instrument body part 11 and the shape of the window hole 89 of the cover 70.

In this case, the cover part 12 is rotated in the circumferential direction with respect to the instrument main body part 11, reciprocated in the circumferential direction as necessary, and the transparent plate holding member 72 is attached to the distal end side of the mounting member 25. By moving the notch 93 of the frame 86, the notch 93 of the mounting frame 86 fits into the distal end side of the mounting member 25, that is, the connecting portion 63, and the distal end side of the mounting member 25 of the instrument main body 11 and The position of the mounting portion 77 of the cover portion 12 matches. It can also be confirmed from the correspondence between the position of the inspection part 56 of the instrument body 11 and the shape of the window hole 89 of the cover 70 that the position of the cover part 12 in the circumferential direction coincides with the instrument body 11. When the distal end side of the attachment member 25 of the instrument body 11 and the attachment portion 77 of the cover portion 12 are aligned, the attachment hole 65 of the attachment member 25 and the insertion hole 78 of the lower surface portion 74 of the cover 70 are approximately coaxial. Placed.

The threaded shaft portion of the mounting screw 66 is inserted from below into the insertion hole 78 of the lower surface portion 74 of the cover 70 and screwed into the mounting hole 65 of the mounting member 25, and the cover portion 12 is tightened to the instrument body portion 11. As a result, the upper end of the cover 70 is pressed against the packing 21, increasing the sealing performance.

The lighting device 10 charges the battery 58 when external power is supplied. Furthermore, when the external power source is cut off due to a power outage or the like, the power stored in the battery 58 is converted into predetermined lighting power and supplied to the light source module 43, thereby lighting the light emitting section 48. The light from the light emitting unit 48 passes through the lens 45 and the transparent plate 71 and is irradiated into the illumination space.

Furthermore, in the emergency lighting device 10, the battery 58 is inspected regularly. During inspection, an operator operates a terminal such as a remote control below the lighting device 10 to be inspected, and sends an inspection signal to the inspection section 56 of the lighting device 10. When the inspection unit 56 receives the inspection signal from the terminal, the power supply unit 38 enters the inspection mode, lights up the light source module 43 with the power stored in the battery 58, and determines the lifespan of the battery 58. After the inspection is completed, a monitor lamp of the inspection unit 56 notifies the inspection unit 56, and the inspection unit 56 transmits the inspection result to the terminal in response to receiving an inspection result request signal from the terminal. Then, the operator visually checks the monitor lamp of the inspection unit 56 and also checks the inspection results received at the terminal to understand the state of the battery 58.

Furthermore, if the inspection results show that the battery 58 has a lifespan or abnormality, the battery 58 is replaced. When replacing the battery 58, first loosen the mounting screw 66 and remove it from the mounting member 25, and then lower the cover section 12 to expose the instrument main body section 11.

The holding member that attaches the battery 58 to the battery mounting bracket 59 is removed, the battery 58 is taken out from the battery mounting bracket 59, and the electrical connection with the power source section 38 is disconnected. Subsequently, a new battery 58 is electrically connected to the power supply unit 38 and placed on the battery mounting bracket 59, and the battery 58 is held in the battery mounting bracket 59 by the holding member.

At this time, although a plurality of attachment members 25 are arranged around the periphery of the instrument body 11, the battery 58 is arranged in an area other than the area A connecting the attachment members 25 and the center of the instrument body 11, Moreover, since it is removable in the radial direction, the mounting member 25 is less likely to get in the way when replacing the battery 58, and the replacement work can be easily performed.

After replacing the battery 58, the cover section 12 is attached to the instrument main body section 11.

According to the illumination device 10 configured in this manner, the cover portion 12 includes the positioning portion 92 that positions the distal end side of the attachment member 25 of the appliance body 11 and the attachment portion 77 of the cover 70 that covers the appliance body 11. Therefore, the cover portion 12 can be easily attached to the distal end side of the attachment member 25, and workability when attaching the cover portion 12 can be improved.

Further, since the distal end side of the mounting member 25 is positioned, it is possible to easily accurately align the distal end side of the mounting member 25 and the mounting portion 77 of the cover 70 attached to the distal end side of the mounting member 25.

Further, the positioning part 77 is constituted by a notch part 93 provided in an annular member (light-transmitting plate holding member 72) arranged inside the cover 70, and the distal end side of the mounting member 25 fits into this notch part 93. By doing so, the positioning section 92 can be configured with a simple configuration. Moreover, if the distal end of the mounting member 25 does not fit into the notch 93, the distal end of the mounting member 25 can be fitted into the notch 93 by rotating the cover 12 relative to the instrument body 11. It can be easily fitted and positioned, and workability when installing the cover part 12 can be improved.

Furthermore, since the transparent plate holding member 72 that presses the transparent plate 71 against the cover 70 has the function of the positioning part 92, there is no need to use another part for positioning, which increases the number of parts and complicates the structure. can be prevented from becoming

Furthermore, since the battery 58 is disposed at a position facing each other between two adjacent mounting members 25, even if a plurality of mounting members 25 protrude from the instrument main body 11, when replacing the battery 58, the mounting members 25 It is less likely to get in the way, and replacement work can be done easily.

Note that the positioning portion 92 of the cover portion 12 may be provided with a positioning protrusion integrated with the lower surface portion 74 of the cover 70, or may use another positioning component.

Furthermore, the lighting device is applicable not only to emergency lighting devices but also to general lighting devices, and not only to waterproof lighting devices but also to non-waterproof lighting devices. Furthermore, the lighting device is not limited to a ceiling lighting device that is attached to a ceiling surface, but can also be applied to a bracket type lighting device that is attached to a wall surface.

Although several embodiments of the invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the gist of the invention. These embodiments and their modifications are included within the scope and gist of the invention, as well as within the scope of the invention described in the claims and its equivalents.

10 Lighting equipment
11 Instrument body
12 Cover part
25 Mounting parts
58 Batteries
70 cover
72 Translucent plate holding member which is an annular member
74 Bottom part
75 peripheral part
77 Mounting part
92 Positioning section
93 Notch A area

Claims (3)

an instrument main body portion whose upper surface side is fixed to the mounting surface ;
at least two attachment members fixed to the lower surface side of the instrument body and protruding from the lower surface side ;
a cover having a lower surface portion and a peripheral surface portion rising from the periphery of the lower surface portion and covering the mounting member; a mounting portion provided on the lower surface portion that is attached to the distal end side of the mounting member ; and a distal end side of the mounting member. and a positioning part for positioning the mounting part attached to the distal end side of the mounting member;
A lighting device comprising: The cover part has an annular member disposed inside the lower surface part of the cover,
The lighting device according to claim 1, wherein the positioning portion has a notch provided in the annular member into which the distal end side of the attachment member fits. The lighting device according to claim 1 or 2, further comprising a battery that is disposed in a region other than a region connecting the attachment member and the center of the instrument main body and is detachable in a radial direction.

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