JP2020155213A - Illumination lamp - Google Patents

Abstract

To provide an illumination lamp in which a light emitting unit and an additional function unit are each replaced at appropriate timing.SOLUTION: An illumination lamp comprises: a light emitting that is arranged in a region between first and second connection parts of an illumination holder provided on the ceiling of a transport aircraft, extends in a longitudinal direction of a body part of the illumination holder, has one end detachably attached to the first connection part, and can emit light by receiving electric power from the first connection part; and an additional function unit that is arranged between the other end of the light emitting unit and the second connection part, is detachably attached to the light emitting unit, and exerts an additional function different from the light emission by the light emitting unit.SELECTED DRAWING: Figure 1

Description

The present invention relates to a lighting fixture used in a transport aircraft.

Conventionally, in a transport aircraft, a lighting fixture using a straight tube type light emitting unit has been used to illuminate the inside of a cabin. At the same time, in transport aircraft where the installation space is limited, space saving is achieved by equipping the lighting fixture with a function different from that of the light emitting unit.

Patent Document 1 discloses a lighting fixture using a straight tube type LED provided with functional parts such as a sensor and a camera.

JP-A-2017-10725

In the lighting fixture disclosed in Patent Document 1, since the light emitting unit and the additional function unit having a function different from the light emitting are integrally configured, the light emitting unit and the light emitting unit are replaced at the timing of either replacement. Both with the additional function unit will be replaced at the same time. Normally, the frequency of replacement required differs between the light emitting unit and the additional function unit, so that the other is replaced at a timing that does not need to be replaced. Therefore, the cost required for the maintenance of the luminaire may increase.

Therefore, in view of the above circumstances, the present invention makes it easy to replace existing lighting fixtures in a space such as a transport aircraft where the installation space is limited, and the light emitting unit and the additional function unit are at appropriate timings. It is intended to provide replaceable lighting fixtures.

The lighting fixture of the present invention has a main body portion extending in one direction, and a first connection portion and a second connection portion protruding toward the indoor side on both side portions in the longitudinal direction of the main body portion, and is a transport aircraft. A lighting fixture arranged in an area between the first connection portion and the second connection portion of the lighting holder provided on the ceiling of the illuminating holder to illuminate the surroundings, in the longitudinal direction of the main body portion of the lighting holder. A light emitting unit that extends and is detachably attached to the first connecting portion at one end and can emit light by receiving power from the first connecting portion, the other end of the light emitting unit and the second It is provided with an additional function unit that is arranged between the connection portion and is detachably attached to the light emitting unit and has a function different from that of the light emitting unit.

Further, the lighting fixture of the present invention has a main body portion extending in one direction, and has a first connection portion arranged at one end of the lighting holder provided on the ceiling of the transport machine in the one direction and the said. A lighting fixture that is arranged in the area between the other end of the lighting holder and illuminates the surroundings, extends in the longitudinal direction of the main body of the lighting holder, and receives power from the first connection portion to receive light. The light emitting unit is provided with a light emitting unit capable of emitting light and an additional function unit for supporting the light emitting unit, which has a function different from that of the light emitting unit and is detachably supported by the main body. One end of the unit is detachably attached to the first connection portion, and the other end is detachably attached to the additional function unit.

In the lighting fixture having the above configuration, the light emitting unit is detachably attached to the first connection portion, and the additional function unit is detachably attached to the light emitting unit. Therefore, the existing lighting fixture equipment can be used. The light emitting unit and the additional function unit can be removed separately. Therefore, it is possible to easily replace the existing lighting fixture and to replace the light emitting unit and the additional function unit at appropriate timings at the same time.

According to the present invention, in a space where the installation space such as a transport aircraft is limited, it is easy to replace the existing lighting fixture, and the light emitting unit and the additional function unit can be replaced at appropriate timings. Lighting equipment can be provided.

It is a side view of the lighting fixture according to an embodiment. It is an exploded perspective view of the lighting fixture of FIG. (A) is a perspective view of the additional function unit in the lighting fixture of FIG. 1 in a state where the door portion is opened, and (b) is a side view of the additional function unit in a state where the door portion is closed. .. FIG. 5 is a cross-sectional perspective view showing a portion of a portion of the casing of the additional function unit in the lighting fixture of FIG. 1 attached to the main body of the lighting holder. FIG. 1A is a cross-sectional perspective view showing a portion of the portion where the casing of the additional function unit attached to the main body of the lighting holder in the modified example of the lighting fixture of FIG. 1 is cut off. Another modification is a cross-sectional perspective view showing a portion of the casing of the additional function unit attached to the main body of the lighting holder with a part cut off. It is a block diagram for demonstrating the flow of power supply in the lighting fixture of FIG. (A) is a perspective view showing a portion where the light emitting unit and the additional function unit are connected in the lighting fixture of FIG. 1, and (b) to (d) are the light emitting unit in the modified example. It is a perspective view which showed the part which is connected with the additional function unit. It is an exploded perspective view of the lighting fixture which showed the modification about the position where the recording medium was arranged. (A) is a side view of a lighting fixture showing a modification of the additional function unit, and (b) is a side view of the lighting fixture showing a modification of the additional function unit and the lighting holder.

Hereinafter, embodiments will be described with reference to each figure.

FIG. 1 is a side view of the lighting fixture 1 according to the embodiment, and FIG. 2 is an exploded perspective view showing the lighting fixture 1 according to the embodiment in an exploded manner. As shown in FIGS. 1 and 2, the lighting fixture 1 is configured to be attached to the lighting holder 2. The lighting fixture 1 includes a light emitting unit 3 capable of emitting light, and an additional function unit 4 that exerts an additional function different from the light emitted by the light emitting unit 3.

The lighting holder 2 is provided on the ceiling 5 of a transport aircraft (for example, a railroad vehicle), and has a main body portion 6 extending in one direction and a first connecting portion 7 protruding downward on both sides of the main body portion 6 in the longitudinal direction. And a second connecting portion 8.

FIG. 2 shows the longitudinal direction of the main body 6 as the D1 direction. The first connection portion 7 and the second connection portion 8 are provided so as to project downward from the main body portion 6, and each is configured as a socket (outlet).

The first connection portion 7 is formed with a hole 9 into which a plug can be inserted, and the second connection portion 8 is formed with a hole 10 into which a plug can be inserted. The holes 9 and 10 are formed on the surfaces facing each other in the first connecting portion 7 and the second connecting portion 8, respectively.

The lighting holder 2 is configured so that the length between the first connecting portion 7 and the second connecting portion 8 is such that a conventional fluorescent lamp type lighting can be inserted. Therefore, the first connection portion 7 and the second connection portion 8 support the conventional fluorescent lamp type illumination by inserting the plugs provided in the conventional fluorescent lamp type illumination into the holes 9 and 10. be able to. That is, the lighting holder 2 corresponds to the conventional fluorescent lamp type lighting, and by attaching the conventional fluorescent lamp type lighting to the lighting holder 2, the surroundings can be illuminated by the fluorescent lamp type lighting.

In the present embodiment, the light emitting unit 3 and the additional function unit 4 are attached to the space between the first connection portion 7 and the second connection portion 8. The light emitting unit 3 is attached at a position below the main body 6 in the lighting holder 2 between the first connection 7 and the additional function unit 4.

In the state where the lighting fixture 1 is attached to the lighting holder 2, the light emitting unit 3 is attached to the first connection portion 7 side, and the additional function unit 4 is attached to the second connection portion 8 side. The light emitting unit 3 extends in the D1 direction. The light emitting unit 3 has a first plug 11 and a second plug 12 at both ends in the D1 direction. In the present embodiment, the first plug 11 is provided at one end of the light emitting unit 3 in the D1 direction, and the second plug 12 is provided at the other end in the D1 direction.

The light emitting unit 3 includes a light emitting body 13 using an LED (light emitting diode) inside. When electric power is supplied to the light emitting body 13, the light emitting body 13 emits light, and the light emitting unit 3 functions as lighting.

The first connection unit 7 can supply the electric power from the transport aircraft toward the light emitting unit 3. Further, the light emitting unit 3 can take in electric power from the outside through the first plug 11. Therefore, the electric power from the transport aircraft is supplied to the light emitting body 13 in the light emitting unit 3 via the first connection portion 7 and the first plug 11.

The first plug 11 is inserted into the hole portion 9, and the light emitting unit 3 is connected to the first connection portion 7 of the lighting holder 2 provided in the transport aircraft, so that the light emitting unit 3 receives electric power from the transport aircraft. You can receive it. Inside the light emitting unit 3, a first power conversion circuit 23 (FIG. 6) is provided which converts the electric power received from the transport aircraft into electric power of a format that can be used by the light emitting body 13. A second power conversion circuit 24 (FIG. 6) is provided inside the light emitting unit 3 to convert the received power into power in a format that can be used by the additional function unit 4. Further, the light emitting unit 3 can supply a part of the electric power received by the first plug 11 to the unit connected to the second plug 12 through the second plug 12. In the present embodiment, since the second plug 12 is connected to the third connection unit 14 provided in the additional function unit 4, which will be described later, a part of the electric power received by the light emitting unit 3 from the transport aircraft is used in the additional function unit 4. Can be supplied towards.

In the present embodiment, the light emitting body 13 by the LED is used as the light emitting body, but the light emitting body used in the light emitting unit may be other than the LED.

The additional function unit 4 has a third connection portion 14 at one end (light emitting unit 3 side) in the D1 direction. The third connection portion 14 is configured as a socket. A hole 15 into which a plug can be inserted is formed in the third connection portion 14. The hole portion 15 is formed at a position of the third connecting portion 14 facing the second plug 12 of the light emitting unit 3.

Further, the additional function unit 4 is provided with a third plug 16 at the other end in the D1 direction. The third plug 16 is configured to be insertable into the hole 10 of the second connection portion 8 of the lighting holder 2. Therefore, when the third plug 16 is inserted into the hole 10, the additional function unit 4 is attached to and supported by the lighting holder 2.

In the present embodiment, the additional function unit 4 is configured as a camera capable of recording image information. The additional functional unit 4 is provided with a casing 17 so as to cover the outside, and the camera main body portion 20 (functional portion) is housed inside the casing 17.

The additional function unit 4 has a lens unit 18 for taking an image. Through the lens unit 18, the additional function unit 4 as a camera can take an image and acquire image information.

An insertion slot (not shown) is formed in the camera body 20, so that the recording medium 25 (FIG. 6) can be inserted into the insertion slot and arranged. As the recording medium 25, for example, an SD card is used. Further, the recording medium 25 is configured so that it can be taken out of the camera body 20 from the state of being inserted inside the camera body 20. With the recording medium 25 inserted inside the camera body 20, the image information acquired by the camera body 20 can be recorded inside the recording medium 25. Further, the recording medium 25 can be taken out from the camera body 20 to check the image information recorded inside the recording medium 25.

Further, in the present embodiment, the casing 17 is provided with a door portion 19 that can be opened and closed. FIG. 3A shows a perspective view of the additional function unit 4 with the door portion 19 open, and FIG. 3B shows an additional function unit 4 with the door portion 19 closed. A side view is shown.

As shown in FIGS. 3A and 3B, the door portion 19 is configured to be openable and closable by rotating in the A1 direction about the hinge. Further, the door portion 19 is configured so that the camera main body portion 20 can be taken out from the casing 17 when the door portion 19 is opened. By opening the door portion 19 and removing the camera body portion 20 from the casing 17, an operator can easily access the camera body portion 20 and take out the recording medium from the insertion slot.

Further, the casing 17 has a locking portion 21 so that the camera main body portion 20 can be housed inside in a closed state (a state in which the door portion 19 is closed) and can be locked there. The locking portion 21 can be locked by using the key 22 with the casing 17 closed. On the contrary, the lock portion 21 can be unlocked by using the key 22 from the locked state.

In the above embodiment, the configuration in which the locking portion 21 is locked by the key 22 has been described, but the locking portion 21 does not have to be configured to be locked by the key. For example, the door portion 19 may be configured to be fastened with a bolt that can be removed by using a special tool while the door portion 19 is closed. For example, a groove having a special structure such as a star shape is formed on the head of the bolt, and the bolt is rotated by a screwdriver having a special structure corresponding to the groove so that the door portion 19 is fastened in a closed state. May be good. When the door portion 19 is configured in this way, the door portion 19 can be opened only by using a special tool, and the anti-theft function can be ensured. In this way, the locking portion 21 may be configured so that the door portion 19 can be opened by turning the bolt by a screwdriver having a special configuration. Further, the structure of the locking unit 21 may be another structure.

FIG. 4 is a cross-sectional perspective view showing a portion of the additional function unit 4 attached to the lighting holder 2 with a part cut off. As shown in FIG. 4, the casing 17 of the additional function unit 4 is attached to the main body 6 of the lighting holder 2 with the washer 26 interposed therebetween. The main body 6 and the casing 17 may be fastened with rivets or screws. By fastening with screws or rivets in this way, the casing 17 is fixed and attached to the main body 6. Here, if the casing 17 is fastened with an easily removable fastener such as a screw, the casing 17 can be easily removed from the main body 6. By providing the fastening portion between the main body 6 and the casing 17 inside the casing 17, it is difficult to access the fastening portion when the casing 17 is closed, and the anti-theft function can be ensured. Further, the casing 17 has an upper casing 27 and a lower casing 28. The upper casing 27 and the lower casing 28 are fastened by, for example, rivets 29. By attaching the casing 17 to the main body 6 in this way, the space R1 is partitioned inside the casing 17 below the main body 6. The camera body 20 can be housed inside the space R1. The upper casing 27 and the lower casing 28 may be fastened with bolts that can be removed by using a special tool, or may be welded. Further, the casing 17 is not limited to the shape divided into the upper side and the lower side, and may be, for example, an integrally molded product made of resin.

The configuration of the additional function unit 4 is not limited to the above embodiment. For example, as shown in FIG. 5A, the cover 30 may be attached below the lower casing 28.

FIG. 5A shows a cross-sectional perspective view showing a part of the portion of the additional function unit 4a of the modified example that is attached to the main body 6 of the lighting holder 2 by breaking it. In the additional function unit 4a of the modified example shown in FIG. 5A, the cover 30 is attached to the outside of the bottom surface of the lower casing 28. The cover 30 is fastened and attached to the lower casing 28 by, for example, a rivet 31. By attaching the casing 17 and the cover 30 to the main body 6 in this way, the space R2 is partitioned inside the casing 17 below the main body 6. The camera body 20 can be housed inside the space R2. The additional function unit 4a needs to be configured so that the room is photographed by the camera body 20. Therefore, for example, the casing 17 and the cover 30 may not be formed on the portion of the additional function unit 4a where the lens portion 18 is formed, and the additional function unit 4a may be configured so that an optical path is secured.

In the modified example of FIG. 5A, the cover 30 is attached to the lower casing 28 so as to cover the lower side of the lower casing 28, so that when the lighting fixture is viewed from the interior of the transport aircraft, the cover 30 is attached. The casing 17 is hidden by 30. Therefore, the cover 30 becomes a blindfold, and the casing 17 can be made inconspicuous. As a result, the design of the lighting fixture can be improved.

Further, the additional function unit 4b of another modification will be described with reference to FIG. 5 (b). FIG. 5B shows a cross-sectional perspective view showing a part of the additional function unit 4b of another modified example, which is attached to the main body 6 of the lighting holder 2. In the additional function unit 4b of the modified example shown in FIG. 5B, a cover 37 having a configuration different from that shown in FIG. 5A is attached to the casing 17.

A washer 32 is arranged inside the bottom surface of the lower casing 28. Further, on the outside of the bottom surface of the lower casing 28, a first plate-shaped member 33 and a second plate-shaped member 34 extending long in the D1 direction in the longitudinal direction of the additional function unit 4a are mutually attached to the main body 6 of the lighting holder 2. They are arranged so that they overlap in the direction of the direction. The first plate-shaped member 33 is arranged at a position closer to the main body portion 6 than the second plate-shaped member 34. The washer 32, the first plate-shaped member 33, and the second plate-shaped member 34 are fastened to the lower casing 28 by screws 35. The first plate-shaped member 33 is configured to have a shorter length in the width direction than the second plate-shaped member 34. Therefore, a groove 36 recessed inward from the outer end portion in the width direction of the second plate-shaped member 34 is formed at a position outside the width direction of the first plate-shaped member 33.

The cover 37 is formed with a claw portion 38 that once protrudes upward and then protrudes inward in the width direction. The claws 38 are inserted into the grooves 36 formed on both sides of the first plate-shaped member 33 in the width direction, and the cover 37 is attached to the casing 17.

By attaching the casing 17 and the cover 37 to the main body 6 in this way, the space R3 is partitioned inside the casing 17 below the main body 6. The camera body 20 can be housed inside the space R3. By configuring the additional function unit 4b in this way, the screw 35 is covered by the cover 37 when the lighting fixture is viewed from the indoor side. When the lighting fixture is viewed from the interior of the transport aircraft, the casing 17 and the screws 35 are covered and hidden by the cover 37, so that the cover 37 becomes a blindfold and the casing 17 and the screws 35 can be made inconspicuous. As a result, the design of the lighting fixture can be further improved.

Next, the flow of power supply in the lighting fixture 1 of the present embodiment will be described. FIG. 6 shows a block diagram for explaining the flow of power supply in the lighting fixture 1 of the present embodiment.

First, the electric power from the transport aircraft is supplied to the light emitting unit 3 via the first connection portion 7 in the lighting holder 2. Of the electric power received by the light emitting unit 3, a part of the electric power is supplied to the first electric power conversion circuit 23. The power supplied to the first power conversion circuit 23 is converted into a format that can be used by the light emitter 13. In the present embodiment, for example, voltage conversion is performed by the first power conversion circuit 23 in order to make the power from the transport aircraft a voltage that can be used by the light emitting body 13. The electric power converted by the first power conversion circuit 23 is supplied to the light emitting body 13, and the light emitting body 13 emits light.

Of the electric power received by the light emitting unit 3, a part of the electric power is supplied to the second electric power conversion circuit 24. The second power conversion circuit 24 converts the power received from the transport aircraft into a format that can be used by the additional function unit 4. The power converted into the usable form of the additional function unit 4 by the second power conversion circuit 24 is supplied to the additional function unit 4 via the second plug 12. The additional function unit 4 receives the electric power from the second plug 12 at the third connection unit 14. In the present embodiment, since the additional function unit 4 is configured as a camera, the power required for the additional function unit 4 as a camera to take an image and record the image information on the recording medium 25 is an additional function. It is supplied to the unit 4. In this embodiment, for example, the second power conversion circuit 24 performs voltage conversion. By passing the electric power through the second power conversion circuit 24, the electric power received by the additional function unit 4 is converted into the electric power of the voltage that can be used in the additional function unit 4. As described above, the additional function unit 4 is configured to be able to receive power through the first connection unit 7, the second power conversion circuit 24, and the third connection unit 14.

In the above embodiment, as shown in FIG. 7A, the connection between the second plug 12 and the third connecting portion 14 has been described as a plug and a socket, but the light emitting unit 3 As shown in FIG. 7B, the USB terminal 39 is arranged in the light emitting unit 3 and the additional function unit 4 has a light emitting unit corresponding to the diameter of the light emitting unit 3. The connection insertion port 40 may be formed, and the USB terminal connection insertion port 41 corresponding to the USB terminal 39 may be formed inside the light emitting unit connection insertion port 40.

Further, as shown in FIG. 7C, a DC plug 42 is arranged in the light emitting unit 3, and an insertion port 40 for connecting a light emitting unit corresponding to the diameter of the light emitting unit 3 is formed in the additional function unit 4. The DC plug connection insertion port 43 corresponding to the DC plug 42 may be formed inside the light emitting unit connection insertion port 40.

Further, a connector 44 is arranged in the light emitting unit 3 as shown in FIG. 7D, and an insertion port 40 for connecting a light emitting unit corresponding to the diameter of the light emitting unit 3 is formed in the additional function unit 4. The connector connection insertion port 45 corresponding to the connector 44 may be formed at a position different from the light emitting unit connection insertion port 40.

Further, in the above embodiment, the embodiment in which the additional function unit 4 is configured as a camera has been described, but the additional function unit may have a function other than the camera. For example, the additional function unit may have functions such as a speaker, a communication device, and an air purification device.

Further, in the above embodiment, the mode in which the additional function unit 4 is configured as a camera and the SD card is used as the recording medium 25 on which the image information obtained by the camera is recorded has been described. It is not limited to the form. As the recording medium, a medium other than an SD card may be used, and for example, an HDD (hard disk drive) may be used. In that case, the recording medium does not have to be inserted into the insertion slot of the camera body 20, and may be arranged at a position different from that of the additional function unit 4, for example.

FIG. 8 shows an example of a form in which the recording medium is arranged at a position different from that of the additional function unit 4. As shown in FIG. 8, for example, a recording medium 25a composed of an HDD may be arranged in a space behind the ceiling 5 of the transport aircraft, and image information may be recorded on the recording medium 25a. .. For example, the additional function unit 4 is connected with wiring such as a cable between the camera body 20 and the recording medium 25a, and the image information acquired by the camera body 20 is sent to the recording medium 25a through the wiring. And the recording medium 25a may be configured. Further, the additional function unit 4 and the recording medium 25a may be configured so that the image information is sent to the recording medium 25a by wireless communication. Further, the recording medium may be arranged at a position different from that of the lighting fixture 1. For example, a recording medium such as an HDD may be arranged inside a device locker arranged at a place away from the lighting fixture 1, and image information may be sent to the recording medium. Further, as the recording medium, another medium other than the SD card or HDD may be used.

Further, in the above embodiment, as for the electric power used in the additional function unit 4, the electric power from the transport aircraft is converted by the second power conversion circuit 24 and used, but the electric power from the battery or the like is an additional function. It may be in the form of being supplied to the unit 4.

Further, in the above embodiment, the mode in which the first power conversion circuit 23 and the second power conversion circuit 24 perform voltage conversion has been described, but the first power conversion circuit 23 and the second power conversion circuit 24 perform processing other than voltage conversion. May be done. For example, the first power conversion circuit 23 or the second power conversion circuit 24 may be configured to perform a process of changing the form of direct current or alternating current.

Further, in the above embodiment, the configuration in which the additional function unit 4 is supported by the lighting holder 2 by being connected to the second connection portion 8 has been described, but the additional function unit 4 is connected to the second connection portion 8. It does not have to be done. The additional function unit 4 may be supported by the lighting holder 2 by another configuration.

The third plug 16 does not necessarily have to be connected to the second connection portion 8. When the third plug 16 is connected to the second connection portion 8, the additional function unit 4 is also supported by the second connection portion 8, so that the additional function unit 4 is more reliably supported by the lighting holder 2. The third plug 16 may not be connected to the second connection portion 8 if the additional function unit 4 is reliably supported by the lighting holder 2 in a portion other than the second connection portion 8. In that case, the third plug may be removed from the additional function unit 4 so that the additional function unit 4 does not have the third plug.

FIG. 9A shows a side view of the lighting fixture 1b provided with the additional function unit 4c in the form in which the third plug is removed. As shown in FIG. 9A, the additional function unit 4c without the third plug may be applied to the lighting fixture of the present invention. By doing so, the configuration of the additional function unit 4c becomes simpler, and the manufacturing cost of the lighting fixture 1b can be suppressed to a low level.

Further, in FIG. 9B, the lighting fixture 1c in the form in which the lighting fixture 1c provided with the additional function unit 4d having no third plug is attached to the lighting holder 2a from which the second connection portion is removed. The side view of is shown. As shown in FIG. 9B, the first connecting portion 7 is provided at one end 6b of the lighting holder 2a, but the second connecting portion is not provided at the other end 6c of the lighting holder 2a. .. Since the lighting holder 2a does not have a second connecting portion, the main body portion 6a is configured to be shortened by that amount. The lighting fixture 1c is arranged in a region between the first connecting portion 7 arranged at one end 6b of the lighting holder 2a and the other end 6c of the lighting holder 2a with respect to the extending direction (one direction) of the main body 6a. ing. With such a configuration, the configuration of the second connection portion is omitted, the configuration of the additional function unit 4d and the lighting holder 2a becomes simpler, and the manufacturing cost of the lighting holder 2a and the lighting fixture 1c is further suppressed. be able to. In FIG. 9B, one end of the light emitting unit 3 is detachably attached to the first connecting portion 7, and the other end is detachably attached to the third connecting portion 14. The present invention is not limited to the above embodiment. The light emitting unit 3 does not have to be configured to be connected to the third connecting portion 14. If one end of the light emitting unit 3 is detachably attached to the first connection portion 7 and the other end is detachably attached to the additional function unit 4d, the light emitting unit 3 is not necessarily attached to the third connection portion 14. It does not have to be connected to. For example, a screw hole may be formed in the casing 17, a screw thread may be formed on the outer side in the radial direction of the light emitting unit 3, and the casing 17 and the light emitting unit 3 may be engaged with each other by a screw.

Further, in the present embodiment, the mode in which the camera body 20 is housed inside the casing 17 has been described, but if the camera body 20 is fixed to the body 6 so as not to be stolen, the casing 17 In the absence of the camera body 20, the camera body 20 may be attached as an additional function unit at a position between the light emitting unit 3 and the second connecting unit 8.

Further, in the above embodiment, the configuration in which the second power conversion circuit 24 is provided inside the light emitting unit 3 has been described, but the second power conversion circuit 24 may be provided inside the additional function unit 4. In the above embodiment, the light emitting unit 3 is made as large as possible and the amount of light emitted from the light emitting unit 3 is increased by making the configuration of the additional function unit 4 as small as possible. Therefore, a second power conversion circuit 24 is provided inside the light emitting unit 3 in order to reduce the size of the additional function unit 4. However, if the amount of light emitted from the light emitting unit 3 is sufficient, the second power conversion circuit 24 may be provided inside the additional function unit 4.

According to the above embodiment, the light emitting unit 3 is detachably attached to the first connection portion 7, and the additional function unit 4 is detachably attached to the light emitting unit 3, so that the existing lighting equipment for lighting can be used. The light emitting unit 3 and the additional function unit 4 can be removed separately by using the light emitting unit 3. Therefore, it can be achieved at the same time that the existing lighting fixture can be easily replaced and that the light emitting unit 3 and the additional function unit 4 are replaced at appropriate timings.

Since the light emitting unit 3 and the additional function unit 4 can be replaced at different timings, the light emitting unit 3 and the additional function unit 4 can be used for the entire life. Therefore, even though either the light emitting unit 3 or the additional function unit 4 can still be used, it is possible to suppress the replacement of both of them, so that it is possible to suppress the unnecessary replacement. Therefore, the frequency of replacement of the light emitting unit 3 and the additional function unit 4 can be reduced. As a result, the cost for maintenance of the lighting fixture 1 can be kept low.

Further, since the light emitting unit 3 and the additional function unit 4 can be removed separately, one of the light emitting unit 3 and the additional function unit 4 can be removed relatively easily, and the other is compared. It can be difficult to remove. In the present embodiment, the additional function unit 4 as a camera is more expensive than the light emitting unit 3. Therefore, by making it difficult to remove the additional function unit 4, it is possible to prevent the additional function unit 4 from being stolen.

Further, for a configuration such as the light emitting unit 3 that needs to be replaced regularly, it can be relatively easily removed and the periodic replacement work can be easily performed. As a result, the replacement work of the light emitting unit 3 can be facilitated, and it is possible to reduce the trouble of the operator.

Further, in the present embodiment, the lighting holder is set so that the length between the first connecting portion 7 and the second connecting portion 8 in the D1 direction is such that the conventional fluorescent lamp type lighting can be inserted. The lighting fixture 1 is configured so that the lighting fixture 1 and the additional function unit 4 of the present embodiment are arranged at positions between the first connection portion 7 and the second connection portion 8. It is configured. That is, in the transport aircraft, the lighting fixture 1 of the present embodiment can be attached to the lighting holder 2 used for attaching the fluorescent lamp type lighting conventionally used. Therefore, in using the lighting fixture 1 of the present embodiment, the conventionally used lighting holder 2 can be used as it is. Therefore, in applying the lighting fixture 1 of the present embodiment, it is possible to reduce the number of changes in the configuration for attaching the lighting fixture 1 to the lighting holder 2. Therefore, the cost for applying the lighting fixture 1 of the present embodiment can be kept low.

Further, in the present embodiment, the first power conversion circuit 23 that converts a part of the power received by the first plug 11 into the power that can be used by the light emitting body 13 of the light emitting unit 3 through the first connecting portion 7. A second power conversion circuit 24 that converts a part of the power received by the first plug 11 into power that can be used by the additional function unit 4 is provided inside the light emitting unit 3. Therefore, the electric power used for the conventionally used fluorescent lamp type lighting can be used as it is for the light emitter 13 and the additional function unit 4 of the present embodiment. Therefore, in applying the lighting fixture 1 of the present embodiment, it is possible to reduce changes in the configuration for supplying electric power to the lighting holder 2. Therefore, the cost for applying the lighting fixture 1 of the present embodiment can be further reduced. Further, the lighting fixture 1 has a simpler configuration and can obtain the electric power used by the light emitting unit 3.

In the present embodiment, since the camera main body 20 is housed by the casing 17 and the casing 17 is fixed to the main body 6, the camera main body 20 is protected inside the casing 17 fixed to the main body 6. Can be done. Therefore, it is possible to prevent the camera body 20 from being stolen. Further, in the present embodiment, a door portion 19 that can be opened and closed is formed in the casing 17, and a locking portion 21 is provided in the door portion 19 so that the door portion 19 can be locked. By providing the lock portion 21 on the door portion 19, it is possible to lock the camera body portion 20 in a state of being housed inside the casing 17. Therefore, it is possible to more reliably prevent the camera body 20 from being stolen.

Further, since the door portion 19 is locked by the locking portion 21, it is possible to prevent the camera body portion 20 from being stolen, and the recording medium 25 arranged inside the camera body portion 20 may be stolen. It can be suppressed. When the transport aircraft to which the lighting fixture 1 of the above embodiment is attached is a railroad vehicle, when an annoying act occurs, the party to the annoying act uses the recording medium 25 arranged inside the camera body 20. There is a possibility of trying to extract and take away the site record of the nuisance. In the lighting fixture 1 of the present embodiment, the additional function unit 4 is configured to accommodate the recording medium 25 inside the casing 17, and the door portion 19 of the casing 17 is configured to be locked by the locking portion 21. Therefore, it is possible to surely prevent the recording medium 25 from being stolen.

Further, in the present embodiment, the light emitting unit 3 and the additional function unit 4 are attached to the positions between the first connection portion 7 and the second connection portion 8 which have been conventionally used, and further to the lamp which has been conventionally used. On the other hand, since the electric power is supplied to the light emitting unit 3 and the additional function unit 4 by using the configuration in which the electric power is supplied, the device on the transport aircraft side is changed when the light emitting unit 3 and the additional function unit 4 are applied. Less. In the present embodiment, a part of the electric power from the transport aircraft is converted into the electric power that can be used by the light emitting unit 3 by the first power conversion circuit 23 arranged on the light emitting unit 3 side, and the converted electric power is the light emitting unit 3. It is used in the light emitter 13 of the above. Therefore, when the light emitting unit 3 and the additional function unit 4 are applied, the cost for applying the lighting fixture 1 can be kept low because the modification of the configuration on the transport aircraft side can be reduced.

Further, in the present embodiment, since the casing 17 is fixed to the main body 6 and connected to the second connecting portion 8, the casing 17 is more reliably supported by the main body 6 and the second connecting portion 8. The casing. Thereby, the reliability of the lighting fixture 1 can be improved.

Further, in the present embodiment, since the casing 17 has the third connecting portion 14, the light emitting unit 3 is supported by the first connecting portion 7 and the third connecting portion 14, and the light emitting unit 3 is supported more reliably. The casing. As a result, the lighting fixture 1 is supported more reliably, and the reliability of the lighting fixture 1 can be improved.

Further, in the present embodiment, since the light emitting unit 3 includes the second power conversion circuit 24 that converts the power into the power that can be used by the additional function unit 4, the configuration of the additional function unit 4 side is simplified and the additional function unit 4 is configured. 4 can be miniaturized. In addition, the light emitting unit 3 can be increased by that amount, and a sufficient amount of light emitted from the light emitting unit 3 can be secured.

1 Lighting fixture 3 Light emitting unit 23 1st power conversion circuit 24 2nd power conversion circuit 4 Additional function unit 17 Casing 20 Camera body (functional part)
21 Locking part 2 Lighting holder 6 Main body part 7 1st connection part 8 2nd connection part 5 Ceiling

Claims (9)

A lighting holder provided on the ceiling of a transport aircraft, which has a main body extending in one direction and a first connection portion and a second connection portion protruding toward the indoor side on both sides in the longitudinal direction of the main body. A lighting fixture that is arranged in the area between the first connection portion and the second connection portion and illuminates the surroundings.
A light emitting unit that extends in the longitudinal direction of the main body of the lighting holder, has one end detachably attached to the first connecting portion, and can emit light by receiving electric power from the first connecting portion. ,
Lighting that is arranged between the other end of the light emitting unit and the second connection portion and is detachably attached to the light emitting unit, and includes an additional function unit having a function different from that of the light emitting unit. Lighting equipment. The first aspect of the present invention, wherein the light emitting unit includes a first power conversion circuit capable of converting a part of the electric power supplied through the first connecting portion into electric power that can be used by the light emitting unit. Lighting equipment. The light emitting unit is provided with a second power conversion circuit capable of converting a part of the power supplied through the first connection portion into power that can be used by the additional function unit. The lighting fixture according to 2. The lighting fixture according to claim 1, wherein the additional function unit has a casing fixed to the main body. The lighting fixture according to claim 4, wherein the casing has a locking portion that is locked while the functional portion of the additional functional unit is housed inside. The lighting fixture according to claim 4 or 5, wherein the casing is fixed to the main body and connected to the second connection. The lighting fixture according to any one of claims 4 to 6, wherein the casing has a third connecting portion connected to the other end of the light emitting unit. A lighting holder having a main body extending in one direction and provided on the ceiling of a transport aircraft, between a first connection portion arranged at one end and the other end of the lighting holder in the one direction. A lighting fixture that is placed in an area and illuminates the surroundings.
A light emitting unit that extends in the longitudinal direction of the main body of the lighting holder and can emit light by receiving electric power from the first connection portion.
It is provided with an additional function unit that supports the light emitting unit and has a function different from that of the light emitting unit and is detachably supported by the main body.
A lighting fixture in which one end is detachably attached to the first connection portion and the other end is detachably attached to the additional function unit. The additional function unit has a casing fixed to the main body portion.
The casing has a third connecting portion connected to the other end of the light emitting unit.
The lighting fixture according to claim 8, wherein the other end of the light emitting unit is detachably attached to the third connection portion.

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