JP2022148621A - Illuminating device - Google Patents

Abstract

To provide an illuminating device that can facilitate feed wiring, and can improve workability.SOLUTION: An illuminating device 10 comprises a long resin case, a wiring board 40 arranged along a longitudinal direction in the resin case, and a light emitting element 41 and a power source part 32 arranged in the resin case. The wiring board 40 comprises patterns 42 including at least a power feed pattern 44 to which external power is supplied. The power source part 32 is electrically connected to the power feed pattern 44, and lights up the light emitting element 41.SELECTED DRAWING: Figure 4

Description

Embodiments of the present invention relate to feed-wireable lighting devices.

Conventionally, line illumination is configured by arranging a plurality of elongated illumination devices continuously in the longitudinal direction. In this case, a power cable for external power supply may be connected to one lighting device from the ceiling surface, and the external power may be sent from this lighting device to an adjacent lighting device using a feed wire. many.

In this case, it is necessary to connect feed wires between adjacent lighting devices and to wire the lighting devices.

JP-A-2005-228579

A problem to be solved by the present invention is to provide a lighting device that facilitates feed wiring and improves workability.

A lighting device according to an embodiment includes a long housing, a wiring board arranged along the longitudinal direction of the housing, and a light source and a power supply unit arranged in the housing. The wiring board has a pattern including at least a power transmission pattern to which external power is supplied. The power supply is electrically connected to the power transmission pattern to illuminate the light source.

According to the lighting device of the embodiment, feed wiring can be facilitated, and improvement in workability can be expected.

1 is a perspective view of a lighting device showing a first embodiment; FIG. Fig. 2 is an exploded perspective view of the lighting device; It is a side view of the light source part of an illuminating device same as the above. It is a schematic diagram which shows the wiring structure of an illuminating device same as the above. It is a schematic diagram which shows the wiring structure of the illuminating device which shows 2nd Embodiment. It is a front view of a wiring board of a lighting device showing a third embodiment.

A first embodiment will be described below with reference to FIGS. 1 to 4. FIG.

A lighting device 10 is shown in FIGS. The illuminating device 10 is a direct-mounted illuminating device that is directly attached to an installation surface such as a ceiling surface. The lighting device 10 is a slim lighting device that is elongated and has a width dimension in a short direction (width direction) that intersects the longitudinal direction, which is smaller than a height dimension in the height direction.

The illuminating device 10 corresponds to configuring a linear light source by arranging a plurality of illuminating devices 10 continuously along the longitudinal direction.

The illumination device 10 includes a main body 11 and a light source section 12 detachably attached to the main body 11 .

The main body 11 is made of metal and is elongated. Mounting holes 20 for attaching to the ceiling surface are provided near both ends in the longitudinal direction of the main body 11, and wiring holes 21 for drawing in power cables from the ceiling surface side are provided in the center and near both ends of the main body 11 in the longitudinal direction. ing. Further, mounting members 22 such as mounting springs for detachably mounting the light source section 12 to the main body 11 are mounted near both ends of the main body 11 .

The light source unit 12 includes a resin housing 30 as a housing, a light source module 31 attached to the resin housing 30, and a power supply unit 32 for lighting the light source module 31. As shown in FIG.

The resin casing 30 is made of resin, has insulating properties, is formed long, and has an external shape in which the width dimension in the lateral direction is smaller than the height dimension in the height direction. The resin housing 30 has a lower surface portion 33 which is a front surface portion and lateral side portions 34 on both sides in the width direction, and is formed to have a substantially U-shaped cross section with an open upper surface side and the same shape in the longitudinal direction. At least the lower side of the resin housing 30 is a light transmitting portion through which light is transmitted. When the lighting devices 10 are arranged in series, an end plate 35 is detachably attached to the outer end surface of the resin housing 30 of the lighting device 10 arranged at the farthest end.

As shown in FIG. 3, the resin housing 30 is formed with holding portions 37 extending in the longitudinal direction and having holding grooves 36 for holding both lateral side edges of the light source module 31 .

Also, the light source module 31 includes a wiring board 40 and a plurality of light emitting elements 41 as light sources mounted on a surface side 40 a of the wiring board 40 . As the light emitting element 41, for example, a semiconductor light emitting element such as an LED or an organic EL is used.

The wiring board 40 is provided in a long flat plate shape, has a total length substantially equal to that of the resin housing 30, and has a width that can be inserted between the holding grooves 36 on both sides of the resin housing 30. .

As shown in FIG. 4, the wiring board 40 has various patterns 42, which are conductive wiring patterns, formed on the surface of a base material made of an insulating material or a metal material whose outer surface is coated with an insulating material. . The pattern 42 includes a mounting pattern 43 , a pair of power transmission patterns 44 and a pair of signal transmission patterns 45 .

The mounting pattern 43 is formed in the central region in the width direction on the surface side 40a of the wiring board 40, and a plurality of light emitting elements 41 are mounted thereon, and these light emitting elements 41 are connected in series or in series-parallel. A pair of lighting connection portions 46 such as connectors are electrically connected to the mounting pattern 43 .

A pair of power supply patterns 44 are formed along the longitudinal direction of the wiring board 40 on both sides in the short direction on the front side 40a or the back side 40b, which is the other side, of the wiring board 40. Power is applied. A pair of power supply connection portions 47 such as connectors are electrically connected to the pair of power supply patterns 44 .

A pair of signal sending patterns 45 are formed along the longitudinal direction of the wiring board 40 on both sides in the short direction on the front side 40a of the wiring board 40 or the back side 40b, which is the other side. A signal is transmitted. A pair of signal connection portions 48 such as connectors are electrically connected to the pair of signal transmission patterns 45 .

The power transmission pattern 44 and the signal transmission pattern 45 may be arranged side by side on either the front surface side 40a or the back surface side 40b of the wiring board 40. One of them may be provided on the front side 40 a of the wiring board 40 and the other may be provided on the back side 40 b of the wiring board 40 . Also, the pair of power feed patterns 44 are preferably spaced apart on both sides of the wiring board 40 in the width direction for insulation. may be arranged side by side on one side in the short direction. One of the pair of power supply patterns 44 is provided on the front surface side 40a of the wiring board 40, and the other is provided on the back surface side 40b of the wiring board 40, in one lateral region of the wiring board 40 in the width direction. One of the pair of signal sending patterns 45 may be provided on the front side 40 a of the wiring board 40 and the other on the back side 40 b of the wiring board 40 in the other lateral region of the board 40 .

When arranging a plurality of lighting devices 10 in series, connecting parts 49 such as connectors for electrically connecting the power transmission pattern 44 and the signal transmission pattern 45 are interposed between the wiring substrates 40 of the adjacent lighting devices 10 . be done. Since the connecting parts 49 may be connected to the ends of the power transmission pattern 44 and the signal transmission pattern 45, at least the power supply connection part 47 and the signal A connection 48 is provided.

In addition, when the wiring board 40 used for one illumination device 10 is divided into a plurality of parts in the longitudinal direction, connectors are electrically connected between the divided wiring boards 40 so that the wiring boards 40 adjacent to each other are electrically connected to each other. are electrically connected.

Also, the power supply unit 32 is arranged inside the resin housing 30 . Note that the power supply unit 32 may be arranged in the main body 11 .

The power supply unit 32 receives a dimming signal as a signal, and dims the light emitting element 41 according to this dimming signal. When lighting the light-emitting element 41 in accordance with the dimming signal, the power supply unit 32 supplies external power such as AC power from an external power supply 60 such as an AC power supply to the DC power required for the light-emitting element 41 to dim and light. , etc., and supplied to the light-emitting element 41 .

A power supply terminal block portion 61 and a signal terminal block portion 62 are arranged on the input side, which is one end of the power supply portion 32, and a lighting terminal block portion 63 is arranged on the output side, which is the other end. It is

A pair of power supply cables 64 for supplying external power from an external power supply 60 can be electrically connected to the power supply terminal block 61 , and a pair of power supply connection parts 47 of the wiring board 40 can be electrically connected to the power supply terminal block 61 . A pair of power supply lines 65 connected to are electrically connected. In the power supply terminal block portion 61, the pair of power cables 64 and the pair of power wires 65 are electrically connected, respectively, and the external power from the power cables 64 is supplied to the power supply portion 32 and the power wires 65. be.

A pair of signal cables 66 from an external dimming control device can be electrically connected to the signal terminal block portion 62 , and is electrically connected to a pair of signal connection portions 48 of the wiring board 40 . The signal line 67 is electrically connected. In the signal terminal block portion 62, a pair of signal cables 66 and a pair of signal lines 67 are electrically connected to each other. be done.

A pair of lighting output lines 68 electrically connected to a pair of lighting connection portions 46 of the wiring board 40 are electrically connected to the output terminal block portion 63 .

Then, like the lighting device 10 on the left side of FIG. The cable 66 is drawn into the main body 11 through the wiring hole 21, and the main body 11 is attached to the ceiling surface with screws or the like using the attachment hole 20. - 特許庁

A power cable 64 is electrically connected to the power supply terminal block portion 61 of the power supply portion 32 of the light source portion 12 , a signal cable 66 is electrically connected to the signal terminal block portion 62 , and the light source portion 12 is attached to the main body 11 . .

Also, like the lighting device 10 on the right side of FIG. Adjacent to the longitudinal direction, the main body 11 of the lighting device 10 on the sending side is attached to the ceiling surface, and the light source section 12 is attached to the main body 11. - 特許庁At this time, the wiring board 40 of the lighting device 10 on the power supply side and the wiring board 40 of the lighting device 10 on the sending side are electrically connected by interposing the connecting part 49 . FIG. 4 shows an example in which one sending-side lighting device 10 is arranged continuously, but similarly, further sending-side lighting devices 10 may be arranged continuously.

If the power supply cable 64 and the signal cable 66 are electrically connected to the power source unit 32 of one lighting device 10 of the power source, each lighting device 10 on the transmission side installed continuously with the lighting device 10 of the power source has There is no need to connect the power cable 64 and the signal cable 66, which simplifies the construction work.

When external power is supplied from the power cable 64 in the lighting device 10 that is the power supply source, the external power is supplied to the power supply unit 32 and to the power transmission pattern 44 of the wiring board 40 through the power line 65. be done. The external power supplied to the power supply pattern 44 of the wiring board 40 is supplied from the lighting device 10 of the power supply source through the connection part 49 to the power supply pattern 44 of the wiring board 40 of each lighting device 10 of the transmission side.

Further, when the lighting device 10 serving as the power supply source transmits a dimming signal from the signal cable 66 , the dimming signal is input to the power supply unit 32 and transmitted to the signal transmission pattern 45 of the wiring board 40 through the signal line 67 . be. The dimming signal transmitted to the signal transmission pattern 45 of the wiring board 40 is transmitted from the lighting device 10 on the power supply source through the connection part 49 to the signal transmission pattern 45 of the wiring substrate 40 of each lighting device 10 on the transmission side.

In each lighting device 10 on the transmission side, the external power supplied to the power transmission pattern 44 of the wiring board 40 is input to the power supply unit 32 through the power line 65 and is transmitted to the signal transmission pattern 45 of the wiring board 40 . An optical signal is input to the power supply section 32 through the signal line 67 .

The plurality of lighting devices 10 arranged in series and electrically connected are converted from external power into predetermined lighting power by the power supply unit 32 according to the dimming signal and supplied to the light emitting element 41 to emit light. Each of the elements 41 is lit, and the light transmitting portions of the resin housings 30 of the plurality of lighting devices 10 shine linearly.

In the illumination device 10 configured as described above, since the wiring substrate 40 is provided with the power transmission pattern 44 and the signal transmission pattern 45, the transmission wiring can be easily performed as compared with the case where the transmission wiring is performed by electric wires. , can improve workability.

Moreover, in the long slim lighting device 10 whose width dimension in the lateral direction is smaller than its height dimension in the height direction, the internal space is limited, and it is possible that it is difficult to wire the electric wire for the feed wiring. However, the wiring substrate 40 can be used for feed wiring.

Further, since the wiring substrate 40 is used for mounting the light emitting element 41 and for forming the power transmission pattern 44 and the signal transmission pattern 45, the manufacturability is good and the number of parts can be reduced.

In addition, by attaching the wiring board 40 to the resin housing 30, it is possible to ensure insulation without using a special insulating component, and the illumination device 10 can be made smaller and slimmer.

Moreover, FIG. 5 shows a second embodiment.

It can also be applied to the illumination device 10 that does not use the dimming signal. In this case, the wiring substrate 40 may be provided with only the mounting pattern 43 and the power supply pattern 44 as the pattern 42 .

Also, FIG. 6 shows a third embodiment.

On the front side 40a of the wiring board 40, along with the mounting pattern 43, a power feeding pattern 44a for vertical feeding is provided along the longitudinal direction. A pattern 44b is provided along the lateral direction.

This corresponds to the case where a plurality of lighting devices 10 are arranged side by side in the lateral direction. Power can be sent to the lighting devices 10 arranged side by side. Therefore, lighting device 10 can transmit power to other lighting devices 10 in both the longitudinal direction and the lateral direction.

In this case, similarly to the power transmission pattern 44b, the signal transmission pattern 45 is also provided on the front surface side 40a and the back surface side 40b of the wiring board 40, thereby transmitting signals to the lighting devices 10 adjacent in the longitudinal direction and the lateral direction. can be transmitted.

The power cable 64 and the signal cable 66 may be directly connected to the power transmission pattern 44 and the signal transmission pattern 45 of the wiring board 40 without passing through the power supply section 32 .

Further, the wiring board 40 may be divided into a sending wiring board on which the power sending pattern 44 and the signal sending pattern 45 are provided and a light source wiring board on which the light emitting element 41 is mounted.

While several embodiments of the invention have been described, these embodiments have been 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, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and equivalents thereof.

REFERENCE SIGNS LIST 10 illumination device 30 resin housing 32 power supply unit 40 wiring board 41 light emitting element as light source 42 pattern 44 power transmission pattern 45 signal transmission pattern

Claims (4)

an elongated housing;
a wiring board arranged along the longitudinal direction of the housing and having a pattern including a power supply pattern to which at least external power is supplied;
a light source disposed in the housing;
a power supply unit disposed in the housing and electrically connected to the power supply pattern to turn on the light source;
A lighting device comprising: The pattern includes a signaling pattern in which a signal is transmitted;
The lighting device according to claim 1, wherein the power supply unit is electrically connected to the signal transmission pattern and controls lighting of the light source according to the signal. 3. The lighting device according to claim 1, wherein the light source is mounted on the surface side of the wiring board. 4. The lighting device according to claim 3, wherein the pattern is provided along the longitudinal direction on the surface side of the wiring board, and the pattern is provided along the lateral direction on the back side of the wiring board. .

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