JP6777880B2 - Lighting device - Google Patents

Description

An embodiment of the present invention relates to a lighting device using a battery unit.

Conventionally, there are lighting devices such as emergency lights in which a light source is turned on by a battery power supply when an external power supply fails.

Such a lighting device includes a battery unit for supplying power to the light source. Since this battery unit needs to be replaced regularly due to battery life or the like, it is desired that the battery unit can be easily attached to and detached from the instrument body.

JP-A-2015-65076

An object to be solved by the present invention is to provide a lighting device in which a battery unit can be easily attached to and detached from an appliance main body.

The lighting device of the embodiment includes an instrument main body, a light source unit, a power supply unit , a cover body, and a battery unit. The instrument body has an opening. The light source portion is arranged on the opening side of the instrument body. The power supply unit is arranged in the main body of the fixture to light the light source unit. The cover body supports a decorative frame arranged in the opening of the instrument body, a locking portion that detachably locks the decorative frame to the instrument body, and a decorative frame attached to the instrument body and moved open from the opening. Has a support spring. The battery unit has a battery unit that is detachably arranged in the appliance body from an opening, and a pair of locking springs that are detachably locked to the appliance body. The battery unit has an end surface that is arranged on the inner side of the instrument body rather than the back surface side of the light source unit. The pair of locking springs are attached to the battery unit at the side position of the end surface of the battery unit, and each has an operation unit that protrudes from the end surface of the battery unit and can be operated from the opening of the instrument body. The operating units are opposed to each other, the locking springs are released from the locking springs in the operating state of the operating units in the opposite directions , and the lines connecting the operating units facing each other in the plan view are locked. parts and that is perpendicular to the line connecting the support spring.

According to the present invention, it can be expected that the battery unit can be easily attached to and detached from the instrument body.

It is sectional drawing of the lighting apparatus which shows one Embodiment. It is sectional drawing of the lighting apparatus of the same as above. It is an exploded perspective view of the light source part, the radiator and the power-source part of the same lighting apparatus. It is an exploded perspective view of the light source part of the same as above. It is a bottom view of the same as above with the decorative frame of the lighting device removed. It is the bottom view which removed the decorative frame and the battery part of the lighting apparatus as above. It is a perspective view of the same lighting apparatus. It is a perspective view of the temporary suspension state of the decorative frame of the lighting device as above. It is a perspective view of the state in which the battery part of the lighting apparatus is attached and detached.

Hereinafter, one embodiment will be described with reference to FIGS. 1 to 9.

As shown in FIG. 7, the lighting device (lighting fixture) 10 is an emergency lighting device such as an emergency light that lights up in an emergency such as a power failure. The lighting device 10 has an embedded fixture structure that is embedded and installed in an embedded hole opened in a ceiling plate or the like.

As shown in FIGS. 2, 8 and 9, the lighting device 10 includes an fixture main body 11, a main body unit 12 arranged in the fixture main body 11, and a battery unit 13 detachably arranged in the fixture main body 11. It is provided with a cover body 14 that is openable and closable and detachably arranged on the lower surface side of the instrument body 11, a pair of instrument mounting springs 15 and a terminal block 16 that are attached to the instrument body 11, respectively.

Then, as shown in FIGS. 1, 2, 5 to 9, the instrument main body 11 has a main body portion 20 and a top plate 21 attached to the upper surface of the main body portion 20.

The main body 20 is made of die-cast aluminum, for example, and is integrally formed in a cylindrical shape that opens vertically. An opening 23 is formed on the lower surface side of the main body portion 20, and a flange portion 24 is projected from the lower peripheral portion of the main body portion 20.

In the main body 20, a main body unit accommodating portion 25 in which the main unit 12 is arranged is formed in an area extending from the central portion to the peripheral portion on one side in the main body 20, and a battery is formed in the peripheral portion on the other side in the main body 20. A battery unit accommodating portion 26 in which the unit 13 is detachably arranged is formed.

A support spring mounting portion 27 for mounting the cover body 14 is provided on one side of the main body portion 20 opposite to the side on which the battery unit 13 is arranged, and the cover body is provided on the side wall portion on the other side of the main body portion 20. A locking hole 28 for mounting the 14 is formed. The support spring mounting portion 27 has a mounting groove 29 that opens up and down, and is integrally projected from the inner wall of the main body portion 20.

The battery unit 13 is locked in the battery unit accommodating portion 26 of the main body portion 20 and at positions parallel to each other and facing each other in a straight line on both sides in a direction orthogonal to one side and the other side of the main body portion 20. A pair of claw portions 30 as locked portions for the purpose are projected. The claw portion 30 is formed on a substantially horizontal surface on the upper surface side and an inclined surface on the lower surface side that inclines toward the tip of the upper surface side.

Instrument mounting spring mounting portions 31 to which a pair of instrument mounting springs 15 are mounted are provided on one side of the main body 20 and both sides in a direction orthogonal to the other side.

The top plate 21 supports the main body unit 12, is attached to the upper surface side of the main body 20 by screwing, and is thermally connected. The top plate 21 is provided with a terminal block mounting portion 32 projecting from one side of the main body portion 20, that is, the side on which the battery unit 13 is arranged, to the opposite side. The terminal block 16 is attached to the lower surface of the terminal block attachment portion 32.

Further, as shown in FIGS. 2, 3, 5, and 6, the main body unit 12 has a radiator 36, a light source unit 37, and a power supply unit 38, which are integrally combined to each other. .. The radiator 36 and the light source unit 37 are arranged in the central portion of the instrument main body 11, the light source unit 37 is arranged on the opening 23 side, and the power supply unit 38 is arranged on one side of the instrument main body 11.

The radiator 36 is made of, for example, aluminum die-cast, and has a light source mounting portion 40 and a plurality of pillar portions 41 protruding from the upper surface of the light source mounting portion 40. A flat light source mounting surface 42 is formed on the lower surface of the light source mounting portion 40. The upper end of each pillar 41 is screwed to the top plate 21, and the radiator 36 is fixed to the top plate 21 and thermally connected.

As shown in FIGS. 2 to 4, the light source unit 37 positions and holds the light emitting module 44 arranged on the light source mounting surface 42 of the radiator 36, and the light emitting module 44 is electrically connected to the power supply unit 38. It has a holder 45 which is a socket to be used, a lens 46 which controls the distribution of light emitted from a light emitting module 44, and a lens holding portion 47 which holds the lens 46 between the holder 45 and the holder 45.

The light emitting module 44 of the light source unit 37 has a substrate 49 and a light emitting element 50 mounted on the surface of the substrate 49. In the present embodiment, the light emitting module 44 is a COB (Chip On Board) module in which a plurality of LEDs as light emitting elements 50 are mounted on the surface of the substrate 49 and these LEDs are integrally covered with a phosphor layer 51. It is used. The surface of the phosphor layer 51 is a light emitting portion (light emitting surface) 52 that emits light. Further, the substrate 49 has a rectangular shape, and a wiring pattern 53 is formed on the surface thereof. In the wiring pattern 53, a mounting pattern region is formed in which a plurality of light emitting elements 50 (LEDs) are mounted in the center of the substrate 49 and connected in series, for example, and the light emitting element 50 (light emitting element 50 (LED) is formed outside the mounting pattern region. The positive electrode pad portion 54 and the negative electrode pad portion 54 that are electrically connected to the LED) are formed.

The holder 45 of the light source unit 37 includes a holder portion 56 made of an insulating resin and a pair of terminals 57 incorporated in the holder portion 56. The holder portion 56 is formed in an annular shape in which an opening 58 through which light passes is formed so as to face the light emitting portion 52 of the light emitting module 44 in the center. On the back surface of the holder portion 56, a quadrangular fitting groove 59 for positioning and fitting the substrate 49 is formed. In the fitting groove 59, contact portions of a pair of terminals 57 electrically connected to the positive electrode pad portions 54 of the positive electrode and the negative electrode of the light emitting module 44 are arranged. A pair of electric wire insertion holes 60 into which a pair of electric wires for electrically connecting to the power supply unit 38 are inserted are formed on the side portion of the holder portion 56, and each electric wire is electrically charged inside these electric wire insertion holes 60. An electric wire connection portion of a pair of terminals 57 that are specifically connected to each other is arranged. Then, the holder portion 56 is tightened and fixed to the light source mounting surface 42 of the radiator 36 with a plurality of screws 61, and the substrate 49 of the light emitting module 44 is sandwiched between the holder portion 56 and the light source mounting surface 42, and the light source mounting surface is sandwiched between the holder portion 56. While pressing against 42, the contact portions of the pair of terminals 57 are in contact with the pair of electrode pad portions 54 of the substrate 49 and are electrically connected to each other.

The lens 46 of the light source unit 37 is made of glass and is integrally formed. The lens 46 includes a lens portion 63 projecting to the front surface side, an annular edge portion 64 projecting from the back surface side peripheral portion of the lens portion 63, and a fitting portion 65 projecting from the back surface side peripheral portion of the edge portion 64. have. The lens unit 63 is provided with a concave incident surface 66 on the back surface side and a convex emitting surface 67 on the front surface side, and an illumination space with the light from the light emitting unit 52 of the light emitting module 44 as a predetermined light distribution. It emits to. Flat portions 68 for positioning are formed on one side of the edge portion 64 and the opposite outer sides of the other side, respectively. The fitting portion 65 is configured as a positioning portion 69 that fits on the outer periphery of the holder portion 56 (holder 45) and positions the holder portion 56 (holder 45). Grooves 70 for passing electric wires connected to the holder 45 are formed on both sides of the fitting portion 65 orthogonal to the flat portion 68. The grooves 70 are provided at symmetrical positions on both sides of the fitting portion 65, and when assembling the light source portion 37, either groove 70 can be aligned with the wire insertion hole 60 side of the holder 45 to improve the assembling property. ing.

The lens holding portion 47 of the light source portion 37 is made of resin, and an insertion hole 71 through which the lens portion 63 of the lens 46 is inserted is formed. The lens holding portion 47 holds the lens 46 by sandwiching the edge portion 64 of the lens 46 with the holder portion 56. The lens holding portion 47 is provided with a lens guide portion 72 that is combined with a flat portion 68 of the edge portion 64 of the lens 46.

The power supply unit 38 has a power supply circuit 74 and a power supply case 75 that houses the power supply circuit 74.

The power supply circuit 74 has a board 76 and a plurality of electronic components 77 mounted on the board 76, and inputs an external power source such as an AC power source from the terminal block 16. The power supply circuit 74 has a charging circuit that charges the battery unit 13 (storage battery 102) with an external power supply, a power failure detection circuit that detects a power failure of the external power supply, and a light emitting module 44 that is lit by the power supply of the battery unit 13 (storage battery 102) in the event of a power failure. It has a lighting circuit, an inspection circuit for checking the state of the battery unit 13, the state of the light emitting module 44, and the like.

The power supply circuit 74 has an inspection switch 78, a monitor lamp 79, a receiver 80, and a transmitter 81 mounted on the lower end side of the board 76, respectively. The inspection switch 78 starts the inspection operation by the inspection circuit by an operation from the outside. The monitor lamp 79 displays the inspection operation of the inspection circuit and the inspection result by this inspection circuit during charging. The receiving unit 80 receives a signal transmitted by radio such as infrared rays from a terminal such as a remote controller (not shown), and the received signal includes an inspection signal for instructing the start of the inspection mode, time information, and the like. ing. The transmission unit 81 transmits a signal to the terminal by radio such as infrared rays, and the transmitted signal includes a history including inspection results. In the case of a high ceiling where the installation height of the lighting device 10 is high, two transmission units 81 are used to secure a transmission distance, but in cases other than those for a high ceiling, only one transmission unit 81 may be used.

The power supply circuit 74 has a power connector 82 mounted on the board 76 and electrically connected to the battery unit 13. The power connector 82 is provided toward the lower side of the power supply unit 38, and three power supply terminal units 83 are arranged inside. One of the three power supply terminal portions 83 is for the negative electrode, and the remaining two are for the positive electrode. For example, one of the power supply terminal portions 83 for the positive electrode is used depending on the type of appliance according to the difference in light output. .. For example, in the high light output fixture type, the power supply terminal portion 83 for one positive electrode is used, and in the low light output fixture type, the power supply terminal portion 83 for the other positive electrode is used.

The power supply case 75 has an upper first case portion 84 and a lower second case portion 85, and the first case portion 84 and the second case portion 85 are combined to accommodate the power supply circuit 74. The first case portion 84 is combined with the radiator 36 and locked by the claw portion 86, and is screwed to the top plate 21. In the second case portion 85, the locking pieces 87 provided on both sides of the second case portion 85 are locked to the locking projections 88 provided on both sides of the first case portion 84, so that the second case portion 85 is second. 1 It is attached to the case portion 84.

The lens holding portion 47 is integrally formed with the second case portion 85 of the power supply case 75. By attaching the second case portion 85 to the first case portion 84, the lens 46 is sandwiched and held between the holder 45 and the lens holding portion 47 of the second case portion 85. The lens holding portion 47 may be provided separately from the power supply case 75.

An inspection switch portion 89 for operating the inspection switch 78 is integrally formed on the lower surface of the second case portion 85 of the power supply case 75, and also faces the monitor hole 90 facing the monitor lamp 79 and the receiving unit 80. A receiving hole 91, a transmitting hole 92 facing the transmitting unit 81, and a connector hole 93 facing the power connector 82 are formed. The inspection switch section 89 is separated from the second case section 85 except for a part of the connection portion around the inspection switch section 89, and elastically deforms by receiving an operating force from the outside to push the inspection switch 78. Make it possible.

Further, as shown in FIGS. 1, 2, 5, 8 and 9, the battery unit 13 is located on the other side of the appliance main body 11 around the central portion, that is, around the heat radiating portion 36 and the light source portion 37. , Detachable. The battery unit 13 includes a battery unit 97 and a pair of locking springs 98 that detachably engage the battery unit 97 with the appliance main body 11.

The battery portion 97 is formed in a substantially C shape in a bottom view (or plan view) so as to be arranged around the central portion, that is, around the heat radiating portion 36 and the light source portion 37 on the other side in the instrument main body 11. There is. That is, the battery portion 97 is provided on both sides of the intermediate portion 100 arranged on the other side in the instrument main body 11 and the intermediate portion 100, and is orthogonal to one side and the other side in the instrument main body 11. It has side portions 101 on both sides arranged on (both sides to which the instrument mounting spring 15 is mounted), and is formed in a substantially C shape in a bottom view (or plan view).

The battery unit 97 has a plurality of storage batteries (secondary battery or battery) 102, and a battery case 103 that houses the storage batteries 102.

The storage battery 102 is formed in a cylindrical shape, and is a rechargeable battery such as a Ni-Cd battery, a nickel-metal hydride battery, or a lithium-ion battery. The plurality of storage batteries 102 are connected in series. The number of storage batteries 102 varies depending on, for example, the type of appliance according to the difference in light output, and there are cases where three batteries are used and cases where seven batteries are used, for example.

The battery case 103 is made of an insulating resin. The battery case 103 has a case body 104 whose lower surface side is open, and a case lid 105 attached to the lower surface side of the case body 104. In the battery case 103, a plurality of storage batteries 102 are arranged side by side in the horizontal direction with the longitudinal direction of the storage battery 102 facing in the vertical direction.

The battery unit 97 is arranged at a predetermined mounting position in the instrument body 11, and the lower end surface 97a of the battery unit 97 is located behind the instrument body 11, that is, above the light source unit 37.

The battery unit 97 has a battery connector 106 that is fitted to the power connector 82 and electrically connected when the battery unit 97 is arranged at a predetermined mounting position in the instrument main body 11. The battery connector 106 is projected upward from a connector disposing portion 107 projecting from the front end side surface of one side portion 101 of the battery portion 97, and three battery terminal portions 108 are disposed inside. .. One of the three battery terminal portions 108 is for the negative electrode, and the remaining two are for the positive electrode. For example, one of the battery terminal portions 108 for the positive electrode is used depending on the type of appliance according to the difference in light output. .. For example, in the high light output device type using seven batteries, the battery terminal 108 for one positive electrode is used, and in the low light output device type using three batteries, the battery terminal 108 for the other positive electrode is used. Used. The connector disposing portion 107 also protrudes from the end surface 97a of the battery portion 97, and is substantially flush with the lower surface of the power supply case 75 in a state where the battery portion 97 is arranged at a predetermined mounting position in the instrument main body 11. ..

A pair of locking spring mounting portions 109 for mounting the pair of locking springs 98 are provided at positions parallel to each other and facing each other in a straight line on the outer surface side of both side portions 101 of the battery portion 97.

The pair of locking springs 98 are attached to the pair of locking spring mounting portions 109 of the battery portion 97, so that the pair of locking springs 98 are arranged outside the side portions 101 of the battery portion 97 at positions parallel to each other and opposed to each other in a straight line. There is.

The locking spring 98 is composed of a metal leaf spring. The locking spring 98 is provided with a mounting portion 111 attached to the locking spring mounting portion 109 of the battery portion 97 at one end, and a locking portion 112 that can be locked to the claw portion 30 of the instrument body 11 in the middle. At the other end, an operation unit 113 that can be operated from the opening 23 of the instrument body 11 is provided.

The mounting portion 111 is press-fitted into the groove of the locking spring mounting portion 109 of the battery portion 97 from below, and the cut-and-raised piece portion 111a is caught by the battery portion 97 and fixed to prevent it from coming off.

The operation unit 113 is provided on the tip end side of the bent portion 114 that is bent so as to face the end surface 97a from the position of the locking spring 98 that protrudes from the end surface 97a of the battery unit 97. The tip end side of the operation unit 113 is bent outward in the opposite direction of the pair of operation units 113. The operation unit 113 is tilted toward the outside of the pair of operation units 113 in the direction perpendicular to the end surface 97a of the battery unit 97 in a state where the locking spring 98 is locked to the instrument main body 11. There is.

The pair of locking springs 98 are in the same straight line in the direction of engaging and disengaging with the claw portion 30 of the instrument main body 11 due to elastic deformation, and are engaged with the instrument main body 11 in an operating state in which the operating portions 113 are opposed to each other. It is configured to release the stop.

Further, the cover body 14 has a decorative frame 118, a support spring 119 for attaching the decorative frame 118 to the instrument main body 11, and a decorative frame locking spring 120 as a locking portion.

The decorative frame 118 is formed in a disk shape having a diameter larger than that of the flange portion 24 of the instrument main body 11. A circular exit opening 121 from which the lens 46 protrudes is formed in the center of the decorative frame 118, and an inspection opening 122 and a signal opening 123 are formed around the exit opening 121. The inspection switch portion 89 and the monitor lamp 79 face each other in the inspection opening 122. The receiving unit 80 and the transmitting unit 81 face each other at the signal opening 123.

The support spring 119 is a so-called V spring which is composed of a wire spring, has an intermediate portion provided in a coil shape, and has both end portions protruding from the coil portion so as to expand in a substantially V shape. The coil portion of the support spring 119 is attached to the back surface of the decorative frame 118 by the mounting bracket 124. Both ends of the support spring 119 are engaged with the mounting grooves 29 of the support spring mounting portion 27 of the instrument body 11, and the mounting grooves 29 of the support spring mounting portion 27 can be attached to and detached by purging both ends of the support spring 119. .. The tip of the support spring 119 is bent into a substantially L shape so that when the decorative frame 118 is pulled down from the instrument main body 11, it is caught by the support spring mounting portion 27.

The decorative frame locking spring 120 is composed of a leaf spring, is attached to the back surface of the decorative frame 118, and is detachably locked in the locking hole 28 of the instrument main body 11.

Further, the instrument mounting spring 15 is composed of a leaf spring and is attached to the instrument mounting spring mounting portion 31 of the instrument main body 11. The fixture mounting spring 15 is deployed laterally in a state before installation on the ceiling or the like.

Further, the terminal block 16 is electrically connected to the power supply circuit 74 by an electric wire, and a power supply line for supplying an external power source is connected when the lighting device 10 is installed.

Next, the operation of the lighting device 10 will be described.

To install the lighting device 10 on the ceiling or the like, the power supply line drawn from the embedded hole in the ceiling or the like is connected to the terminal block 16, and the fixture mounting spring 15 is elastically deformed so as to be along the side surface of the fixture body 11. Hold it in the state and insert the fixture body 11 into the embedding hole such as the ceiling plate. After the insertion, by releasing the holding of the fixture mounting spring 15, the fixture mounting spring 15 expands sideways and engages with the upper side of the ceiling plate or the like, and the fixture body 11 is pulled upward by the fixture mounting spring 15. The flange portion 24 of the appliance body 11 comes into contact with the lower surface of the ceiling or the like, and the installation of the appliance body 11 is completed.

At this time, first, the instrument main body 11 may be installed with the decorative frame 118 removed, and after the instrument main body 11 is installed, the decorative frame 118 may be attached to the instrument main body 11. Alternatively, first, the instrument body 11 is installed with the decorative frame 118 and the battery unit 13 removed, and after the instrument body 11 is installed, the battery unit 13 is attached to the instrument body 11 and the decorative frame 118 is attached to the instrument body 11. It may be attached.

Then, in the normal state when the external power supply is supplied to the lighting device 10, the charging circuit of the power supply circuit 74 charges the storage battery 102 of the battery unit 97 by the external power supply. In this normal state, no lighting current is supplied to the light emitting module 44, and the light emitting module 44 is in the extinguished state. When the power supply circuit 74 includes a constant lighting circuit, a predetermined lighting current may be supplied to the light emitting module 44 by the constant lighting circuit to which an external power supply is supplied to light the light emitting module 44.

Further, in an emergency such as a power failure of the external power supply supplied to the lighting device 10, the power failure detection circuit of the power supply circuit 74 detects the power failure of the external power supply, and the power supply circuit supplies power from the storage battery 102 of the battery unit 97. The light emitting module 44 (light emitting element 50) is turned on by supplying a predetermined lighting current to the light emitting module 44 by the lighting circuit of 74. The light from the lit light emitting module 44 is radiated to the illumination space in a predetermined light distribution by the lens 46.

In the normal state, when the inspection switch 89 is operated and the inspection switch 78 is turned on, the inspection mode by the inspection circuit of the power supply circuit 74 is started, and the state such as the life of the storage battery 102 and the state such as the failure of the light emitting module 44 are started. The inspection operation of is performed, and the inspection result is displayed in the display state of the monitor lamp 79.

In addition, when the receiving unit 80 receives an inspection signal from a terminal such as a remote controller, the inspection mode by the inspection circuit of the power supply circuit 74 is started, and the state such as the life of the storage battery 102 and the state such as the failure of the light emitting module 44 are started. The inspection operation of is performed, and the inspection result is transmitted from the transmission unit 81 to the terminal.

Next, replacement of the battery unit 13 will be described. As shown in FIG. 8, the decorative frame 118 is pulled downward to remove the decorative frame locking spring 120 from the instrument main body 11, and the decorative frame 118 is moved downward via the support spring 119. At the position where the tip of the support spring 119 engages with the support spring mounting portion 27 of the instrument body 11, the decorative frame 118 is temporarily suspended from the instrument body 11 via the support spring 119. In the temporarily suspended state of the decorative frame 118, the decorative frame 118 is located on the side opposite to the side on which the battery unit 13 of the appliance main body 11 is arranged.

Two fingers are hung on the operating portions 113 of the pair of locking springs 98 of the battery unit 13, and the two fingers are used to pinch the operating portions 113 of the pair of locking springs 98. As a result, as shown by the alternate long and short dash line in FIG. 1, the pair of locking springs 98 move so as to approach each other, that is, elastically deform so as to move away from the instrument main body 11 side and approach the battery unit 97 side, and engage. The claw portion 30 of the instrument body 11 comes off from the stopper portion 112.

At this time, the end surface 97a of the battery unit 97 is located at the back side, that is, above the light source unit 37, and the operation unit 113 of the pair of locking springs 98 is arranged below the end surface 97a of the battery unit 97. Therefore, a finger can be easily hung from the opening 23 of the instrument main body 11 on the operating portion 113 of the pair of locking springs 98 for operation.

Moreover, the pair of locking springs 98 are arranged at positions parallel to each other and facing each other in a straight line on the outside of both side portions 101 of the battery portion 97, and the directions of engagement and disengagement with the claw portions 30 of the instrument body 11 are the same due to elastic deformation. Since the locking to the instrument body 11 is released in a state of being on a straight line and operating in the directions opposite to each other, the operating portion 113 is operated so as to pinch the operating portion 113 of the pair of locking springs 98 with two fingers. As a result, the locking can be easily released.

Further, the operation unit 113 of the pair of locking springs 98 is a pair of operation units 113 with respect to the direction perpendicular to the end surface 97a of the battery unit 97 in a state where the pair of locking springs 98 are locked to the instrument main body 11. Since it is inclined toward the outside in the opposite direction, the finger can easily hang on the operation unit 113 and can be easily operated. When the operation unit 113 of the pair of locking springs 98 is pinched, the operation unit 113 is inclined toward the outside in the direction opposite to the end surface 97a of the battery unit 97 or the battery unit. It is approximately perpendicular to the end face 97a of 97.

When the locking portion 112 of the pair of locking springs 98 is disengaged from the claw portion 30 of the instrument body 11, the battery unit 13 descends from the inside of the instrument body 11 and comes out. At this time, since the operating portion 113 of the pair of locking springs 98 is in a state where the finger is hung, it is possible to catch the lowering of the battery unit 13 with the finger, that is, the hand, and prevent the battery unit 13 from falling. ..

As shown in FIG. 9, the battery unit 13 is moved downward from the inside of the instrument main body 11 and taken out downward from the opening 23 of the instrument main body 11. At this time, since the decorative frame 118 temporarily suspended from the instrument main body 11 is arranged on the side opposite to the side where the battery unit 13 of the instrument main body 11 is arranged, the decorative frame 118 is used to remove the battery unit 13. Can be easily removed from the battery unit 13 without getting in the way.

Further, by inserting the new battery unit 13 to be replaced into the battery unit accommodating portion 26 of the instrument body 11 from below, the pair of locking springs 98 abut on the claw portion 30 of the instrument body 11 and are elastically deformed, resulting in a pair of locking springs 98. By moving the locking portion 112 of the locking spring 98 above the claw portion 30 of the instrument body 11, the locking portion 112 of the pair of locking springs 98 is locked to the claw portion 30 of the instrument body 11. The battery unit 13 is mounted inside the instrument body 11. At this time, the battery connector 106 of the battery unit 13 is attached to the power connector 82 of the power supply unit 38 and is electrically connected.

By moving the decorative frame 118 upward so as to cover the lower surface of the instrument main body 11, both ends of the support spring 119 expand while moving above the support spring mounting portion 27, and the both ends of the support spring 119 are located. The decorative frame 118 is pulled up to the instrument body 11 by the elasticity of expanding. The decorative frame locking spring 120 is locked in the locking hole 28 of the instrument body 11, and the replacement work of the power supply unit 13 is completed.

Then, according to the illumination device 10 of the present embodiment, since the positioning portion 69 is provided on the glass lens 46, the positioning portion 69 of the lens 46 is positioned on the holder portion 56 that positions and holds the light emitting module 44, and the lens holding portion is formed. The lens 46 can be sandwiched and held between the holder portion 56 and the holder portion 56 at 47. Therefore, the light emitting module 44 and the lens 46 can be positioned via the holder portion 56, and appropriate optical characteristics can be obtained with a simple configuration such as aligning the optical axes of the light emitting module 44 and the lens 46.

Moreover, since the glass lens 46 is sandwiched and held between the resin holder portion 56 and the resin lens holding portion 47, the lens 46 can be reliably held while being prevented from being damaged.

Further, in the lens 46, the edge portion 64 protruding from the periphery of the lens portion 63 is sandwiched between the holder portion 56 and the lens holding portion 47, and the positioning portion 69 protruding from the edge portion 64 is the holder portion 56. Since it is fitted around the lens 46, the holding portion and the positioning portion can be separated to distribute the load and prevent damage to the lens 46.

Further, since the lens holding portion 47 is integrally formed with the power supply case 75 of the power supply portion 38 and is also used, the configuration can be simplified and the assembling property can be improved.

Further, since the power supply case 75 is integrally formed with an inspection switch unit 89 that instructs the power supply unit 38 to perform an inspection operation, the inspection switch 78 can be easily operated with a simple configuration.

Further, according to the lighting device 10 of the present embodiment, the pair of locking springs 98 are arranged at positions parallel to each other and facing each other in a straight line on the outside of both side portions 101 of the battery portion 97, and the appliance main body 11 is elastically deformed. Since the directions of engagement and disengagement with the claw portion 30 are on the same straight line and the locking to the instrument main body 11 is released in the operating state of the operating portion 113 in the opposite directions, a pair of locking with two fingers By operating the operating portion 113 of the spring 98 so as to be pinched, the locking can be easily released, and therefore the battery unit 13 can be easily attached to and detached from the instrument main body 11.

Further, the end surface 97a of the battery unit 97 is arranged behind the light source unit 37, that is, above the instrument main body 11, and the operation unit 113 of the pair of locking springs 98 is arranged so as to protrude from the end surface 97a of the battery unit 97. Therefore, the length of the operating portion 113 on which the finger can easily be hooked can be secured, and the finger can be easily hooked on the operating portion 113 of the pair of locking springs 98 from the opening 23 of the instrument main body 11 for operation.

Further, the operation unit 113 of the pair of locking springs 98 is a pair of operation units 113 with respect to the direction perpendicular to the end surface 97a of the battery unit 97 in a state where the pair of locking springs 98 are locked to the instrument main body 11. Since it is inclined toward the outside in the opposite direction, the finger can easily hang on the operation unit 113 and can be easily operated.

Further, since the battery unit 13 is arranged on the opposite side to the mounting position of the support spring 119 of the instrument body 11, that is, the decorative frame 118 temporarily suspended by the support spring 119 on the instrument body 11 is the instrument body. Since the battery unit 13 of 11 is arranged on the opposite side to the side on which the battery unit 13 is arranged, the decorative frame 118 supported by the support spring 119 does not interfere with the attachment / detachment of the battery unit 13 and the battery unit 13 The attachment / detachment work can be done easily.

Further, since the terminal block 16 is arranged on the outside of the fixture main body 11 and on the side opposite to the side on which the battery unit 13 is arranged, the height of the lighting device 10 can be lowered, and the battery unit 13 has a large mass. The mass balance of the above can be optimized.

Further, the power connector 82 of the power supply unit 38 has three power supply terminal units 83, and the battery connector 106 of the battery unit 97 has three battery terminal units 108, and each has two predetermined power supply terminals according to the type of appliance. Since the power supply unit 38 and the battery unit 97 are electrically connected by using the unit 83 and the battery terminal unit 108, respectively, it is possible to prevent erroneous mounting of different types of battery units 13. For example, when one of the three power supply terminal portions 83 and the battery terminal portion 108 is for the negative electrode and the other two are for the positive electrode, for example, one of them is for the positive electrode depending on the type of appliance according to the difference in light output. The power supply terminal 83 and the battery terminal 108 are used. For example, in the high light output fixture type using seven batteries, the power supply terminal 83 and the battery terminal 108 for one positive electrode are used, and in the low light output fixture type using three batteries, the other positive electrode is used. The power supply terminal 83 and the battery terminal 108 are used. If the proper type of battery unit 13 is erroneously attached to the appliance body 11, the power supply unit 38 and the battery unit 97 are electrically connected, and the battery unit 97 is charged and discharged. When a different type of battery unit 13 is erroneously installed, the power supply unit 38 and the battery unit 97 are not electrically connected, and the battery unit 97 is neither charged nor discharged.

The lighting device 10 can be applied not only to the embedded fixture structure but also to the direct mount fixture structure directly attached to the ceiling surface or the like.

Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other embodiments, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the equivalent scope thereof.

10 Lighting equipment
11 Instrument body
13 Battery unit
14 Cover body
16 terminal block
23 opening
37 Light source
38 Power supply
82 Power connector
83 Power terminal
97 Battery section
97a End face
98 locking spring
106 Battery connector
108 Battery terminal
113 Operation unit
118 Makeup frame
119 Support spring
120 Decorative frame locking spring as a locking part

Claims (5)

With the instrument body having an opening;
With the light source unit arranged on the opening side of the instrument body;
With a power supply unit that is arranged in the instrument body and lights the light source unit;
A decorative frame arranged in the opening of the instrument body, a locking portion for detachably locking the decorative frame to the instrument body, and a decorative frame attached to the instrument body and opened and moved from the opening. With a cover body having a support spring to support the;
A battery unit that is detachably arranged from the opening in the instrument body and a pair of locking springs that are detachably locked to the instrument body are provided, and the battery unit is on the back surface side of the light source unit. The device has an end surface that is arranged on the inner side of the instrument body, and the pair of locking springs are attached to the battery unit at a side position of the end surface, and are projected from the end surface to the appliance. Each of the operation units can be operated from the opening of the main body, and these operation units are opposed to each other, and the locking spring of the locking spring to the instrument main body is operated in a direction in which the operation units are opposed to each other. locking is released, and a battery unit that is orthogonal to the line is a line connecting the operating portion opposed to each other connecting the supporting spring and the locking portion in a plan view;
A lighting device characterized by comprising. The operating portion of the locking spring is located outside the operating portion in a direction perpendicular to the end face of the battery portion in a direction opposite to each other in a state where the locking spring is locked to the instrument body. The lighting device according to claim 1, wherein the lighting device is inclined toward the surface. Before Symbol illumination apparatus according to claim 1, wherein that it is disposed opposite the battery unit with respect to the attachment position of the support spring of the instrument body. The lighting device according to claim 3, further comprising a terminal block arranged on the outside of the appliance main body and on the side opposite to the side on which the battery unit is arranged. The power supply unit is provided with at least three power supply terminal units, and has a power supply connector in which two predetermined power supply terminal units according to the battery type are used among these power supply terminal units.
The battery unit is provided with at least three battery terminals, and has a battery connector in which two predetermined battery terminals according to the battery type are used and connected to the power connector. The lighting device according to any one of claims 1 to 4.

Images