JP6724689B2 - Lighting equipment - Google Patents

Description

Embodiments of the present invention relate to a lighting device.

2. Description of the Related Art In recent years, a lighting device using a light emitting element such as an LED (Light Emitting Diode) as a light source has become widespread. Some of these lighting devices are installed in high places such as the ceiling of a gymnasium or factory.

JP, 2013-84610, A

However, the above-described conventional technique has room for improvement in that the lighting device is easily installed.

The problem to be solved by the present invention is to provide a lighting device that can be easily installed.

The lighting device according to the embodiment includes a light emitting section, a main body section, a support section, a power supply box, and a terminal block. The light emitting unit includes a plurality of light emitting elements. The main body has a rectangular parallelepiped shape in which the light emitting unit is provided on the front surface side. The support part sandwiches the opposite side surfaces of the main body part and suspends and supports the main body part swingably. The power supply box is a rectangular parallelepiped provided on the back side of the main body in a posture in which each side of the back side and each side of the back side of the main body section face each other when viewed from the back side. The terminal block is provided on a side surface of the power supply box where the support portions do not overlap with each other when viewed from the front surface side or an end portion of a surface adjacent to the side surface, which is close to the side surface, and is connected to external wiring.

FIG. 1 is a perspective view showing an outline of a lighting device according to an embodiment. FIG. 2 is a diagram showing an installation range of the terminal block according to the embodiment. FIG. 3 is a diagram illustrating an arrangement example of the terminal blocks according to the embodiment. FIG. 4 is a schematic diagram when the lighting device according to the embodiment is installed at an angle.

The lighting device 1 according to the embodiment described below includes a light emitting unit 60, a main body unit 40, a support unit 10, and a power supply box 20. The light emitting unit 60 includes a plurality of light emitting elements 61. The main body portion 40 has a rectangular parallelepiped shape in which the light emitting portion 60 is provided on the front surface side. The support portion 10 sandwiches the opposite side surfaces 20b and 20d of the main body portion 40 and suspends and supports the main body portion 40 swingably. The power supply box 20 is in the shape of a rectangular parallelepiped provided on the back side of the main body 40 in a posture in which each side of the back side of the main body 40 and each side of the back side 20a face each other when viewed from the back side. The terminal block 31 is located near the side surfaces 20b, 20d of the side surfaces 20b, 20d of the power supply box 20 or the side surfaces 20b, 20d adjacent to the side surfaces 20b, 20d where the supporting portion 10 does not overlap when viewed from the front surface side (rear surface 20a, side surfaces 20c, 20e). It is provided at the end R and is connected to the external wiring 35.

Further, the terminal block 31 according to the embodiment described below is provided at the end portion R on the back surface 20a of the power supply box 20.

Further, the terminal block 31 described below is attached with the connection ports 32a and 32b for connecting the external wiring 35 facing toward the side surface where the support portion 10 does not overlap.

The terminal block 31 according to the embodiment described below includes a power supply terminal block 31a to which the power line 35a of the external wiring 35 is connected and a signal terminal block 31b to which the signal line 35b of the external wiring 35 is connected. The power supply terminal block 31a and the signal terminal block 31b are arranged side by side along the end R on the back surface of the power supply box 20.

Further, the main body 40 described below is supported by the support unit 10 so that the back surface 20a of the power supply box 20 is in a horizontal posture or has a downward slope toward the end R side where the terminal block 31 is provided. To be done.

Hereinafter, the lighting device 1 according to the embodiment will be described with reference to the drawings. In the embodiment, the same parts are designated by the same reference numerals, and overlapping description will be omitted. Further, in the following description, a case where the lighting device 1 is a hanging type so-called downlight will be described.

(Embodiment)
First, the outline of the illumination device 1 according to the embodiment will be described with reference to FIG. 1. FIG. 1 is a perspective view showing an outline of the lighting device 1. It should be noted that FIG. 1 is a view of the lighting device 1 as seen from an obliquely downward direction.

Further, in FIG. 1, for the sake of easy understanding of the description, a three-dimensional orthogonal coordinate system including the Z axis in which the upward direction in the vertical direction is the positive direction is shown. The Cartesian coordinate system may be shown in other drawings used in the following description.

As shown in FIG. 1, the lighting device 1 includes a support portion 10, a power supply box 20, a terminal block cover 30, a main body portion 40, a heat radiation portion 50, a light emitting portion 60, and a transparent cover 70. To do.

The support portion 10 sandwiches the opposite side surfaces of the main body portion 40 to suspend and support the lighting device 1 so that the lighting device 1 can swing. The support portion 10 also has, for example, a semi-arcuate adjustment hole on the side surface side of the main body portion 40. The mounting angle of the main body 40 can be adjusted by fixing the main body 40 with a fastening member such as a bolt through the adjustment hole.

The power supply box 20 houses a control board (not shown) that controls the light emitting unit 60. Further, the power supply box 20 has a structure in which the sides of the back surface (the surface on the Z axis positive direction side) of the body portion 40 and the sides of the back surface 20a (see FIG. 2) face each other when viewed from the back surface side of the body portion 40. It is a rectangular parallelepiped casing provided on the back side.

The terminal block cover 30 is a housing that houses the terminal block 31. Further, the terminal block cover 30 has a wiring hole on the side surface, and the external wiring 35 is connected to the terminal block 31 from the outside through the wiring hole. For example, the terminal block cover 30 is attached by the operator after the illumination device 1 is attached. The terminal block cover 30 may be omitted.

The terminal block 31 includes, for example, a power supply terminal block 31a to which the power line 35a of the external wiring 35 drawn from the ceiling is connected, and a signal terminal block 31b to which the signal line 35b is connected. In the following description, the power supply terminal block 31a and the signal terminal block 31b may be collectively referred to as the terminal block 31. In the following description, the case where the number of terminal blocks 31 is two will be described, but the number of terminal blocks 31 may be one or three or more.

Here, in the illuminating device 1 according to the embodiment, when the illuminating device 1 is attached, the terminal block 31 is provided at a position where the operator can easily see it. Details of this point will be described later with reference to FIGS.

The main body 40 has a substantially rectangular parallelepiped shape, and the light emitting unit 60 is provided on the front side (Z-axis negative direction side) and the power supply box 20 is provided on the back side (Z-axis positive direction side). The heat dissipation part 50 is provided on the back side of the light emitting part 60, and a plurality of heat dissipation fins 51 are arranged at intervals. The heat radiating section 50 radiates the heat generated by the light emitting element 61 of the light emitting section 60 emitting light to the outside.

The light emitting unit 60 has a plurality of light emitting elements 61 arranged on the light emitting surface on the front side. The light emitting element 61 is, for example, an LED (Light Emitting Diode) chip. The light emitting element 61 emits light according to a control signal from a control board built in the power supply box 20.

The transparent cover 70 is provided on the front side of the light emitting unit 60 and protects the light emitting unit 60. The transparent cover 70 is a transparent glass or resin that does not block the light emitted by the light emitting unit 60.

By the way, when trying to install the lighting device 1 on a high ceiling such as a gymnasium or a factory, the practitioner may look up and install the lighting device 1. At this time, if the terminal block 31 cannot be visually recognized from the position of the operator, the operator needs to grasp the position of the terminal block 31 by hand. In such a case, it is not easy for the practitioner to perform the work of connecting the external wiring 35 to the terminal block 31 and the work of confirming whether the external wiring 35 is connected to the terminal block 31.

Therefore, in the lighting device 1 according to the embodiment, the terminal block 31 is provided at a position where it can be easily seen by the operator, so that the lighting device 1 can be easily attached. Hereinafter, the position where the terminal block 31 is provided in the lighting device 1 according to the embodiment will be described in detail with reference to FIGS. 2 to 4.

First, the installation range of the terminal block 31 will be described with reference to FIG. FIG. 2 is a diagram showing an installation range of the terminal block 31 according to the embodiment. Note that, in FIG. 2, for simplification of description, the main body portion 40, the heat radiation portion 50, and the like are omitted. The terminal block 31 is, for example, a rectangular parallelepiped casing, which will be described later with reference to FIG. 3, and includes a connection port 32 (see FIG. 3) to which the external wiring 35 is connected.

As shown in FIG. 2, in the lighting device 1 according to the embodiment, the end portion R of the rear surface 20a near the side surface 20c, which is the side surface where the support portion 10 does not overlap when viewed from the side surface side (direction perpendicular to the Z axis in FIG. 2). Is provided with a terminal block 31. The terminal block 31 may be provided at the end R of the rear surface 20a near the side surface 20e, which is the other side surface where the supporting portion 10 does not overlap when viewed from the side surface side.

Here, when the terminal block 31 is provided on the end portion R of the back surface 20a, it is preferable to provide the terminal block 31 as close to the side surface 20c or the side surface 20e as possible. This is because, as described above, the terminal block 31 can be easily seen by a builder who works from below the lighting device 1.

For this reason, it is preferable that the end portion R is, for example, in the range of less than 30% of the length of each of the side surface 20c or the side surface 20e to the back surface 20a in the X-axis direction. However, the present invention is not limited to this, and the end portion R may be a region where the builder can visually recognize the terminal block 31 from below the lighting device 1.

Moreover, the terminal block 31 is sufficient if at least a part thereof is provided at the end portion R. That is, the terminal block 31 may be provided at a position where the builder can visually recognize at least a part of the terminal block 31 from below the lighting device 1.

As described above, by providing the terminal block 31 on the end portion R of the back surface 20a, the builder can visually recognize the terminal block 31. Therefore, the builder can easily connect the external wiring 35 to the terminal block 31, so that the lighting device 1 can be easily installed.

Further, by providing the terminal block 31 on the back surface 20a, the terminal block 31 and the wiring 26 (see FIG. 3) are arranged at positions that cannot be seen from below the lighting device 1. Therefore, it is possible to easily attach the lighting device 1 without impairing the appearance of the lighting device 1.

The terminal block 31 may be arranged such that a part of the terminal block 31 projects from the power supply box 20 when viewed from the back surface 20a side. Alternatively, a pedestal may be provided on the back surface 20a of the power supply box 20, and the terminal block 31 may be provided on the pedestal so that the terminal block 31 can be easily seen by the builder. Further, for example, a slide mechanism that can slide in the X-axis direction may be provided on the back surface 20a, and the terminal block 31 may be provided on the slide mechanism.

Further, as described above, in the lighting device 1 according to the embodiment, the terminal block 31 is arranged at the end R of the rear surface 20a near the side surface 20c or the side surface 20e, which is the side surface that does not overlap the support portion 10. For this reason, it is possible to avoid the terminal block 31 from being blocked by the support portion 10 when the operator looks up at the lighting device 1 and constructs it.

Therefore, the builder can surely visually recognize the terminal block 31. The orientation of the terminal block 31 when the terminal block 31 is provided on the back surface 20a will be described later with reference to FIG.

By the way, the terminal block 31 can be provided not only on the back surface 20a of the power supply box 20 but also on the side surface. As described above, when the terminal block 31 is provided on the side surfaces 20c and 20e and the end portion R of the side surface 20b or the side surface 20d, the terminal block 31 can be more easily visually recognized by the builder than when it is provided on the back surface 20a.

In such a case, the terminal block 31 may be installed in any direction, but the terminal block 31 should be installed so that the connection port 32 faces the lower side (Z-axis negative direction side) or the upper side (Z-axis positive direction side). Is preferred.

For example, when the connection port 32 is installed so as to face downward, the connection port 32 is arranged at a position close to the builder, so that the external wiring 35 can be easily connected. Further, when the terminal block 31 is installed so that the connection port 32 faces the upper side of the power supply box 20, the builder should connect the terminal (not shown) of the external wiring 35 extending from the ceiling to the connection port 32 in the same direction. You can

Next, an arrangement example of the terminal block 31 will be described with reference to FIG. FIG. 3 is a diagram illustrating an arrangement example of the terminal block 31 according to the embodiment. Note that the power supply terminal block 31a and the signal terminal block 31b shown in FIG. 3 are simplified and do not limit the size or shape.

As shown in FIG. 3, as the terminal block 31, a power terminal block 31a and a signal terminal block 31b are provided on the back surface 20a of the power box 20. Further, each of the power supply terminal block 31a and the signal terminal block 31b has connection ports 32a and 32b for connecting the external wiring 35.

The power supply terminal block 31 a has power supply wiring 26 a that supplies power to the control board provided inside the power supply box 20. Further, the signal terminal block 31b has a signal wiring 26b for supplying a signal such as a dimming signal to the control board.

In the following description, the power supply wiring 26a and the signal wiring 26b are collectively referred to as the wiring 26. In addition, the wiring 26 is introduced into the power supply box 20 through a through hole 28 provided in, for example, the central portion of the back surface 20a.

As shown in FIG. 3, the power supply terminal block 31a and the signal terminal block 31b are attached with the connection ports 32a and 32b facing the side surface 20c, for example. When the power supply terminal block 31a and the signal terminal block 31b are provided on the rear surface 20a on the side surface 20e side, the connection ports 32a and 32b are attached so as to face the side surface 20e.

Therefore, the installer can visually recognize the connection ports 32a and 32b in addition to the positions of the power supply terminal block 31a and the signal terminal block 31b. Further, the builder can also connect the external wiring 35 to the connection ports 32a and 32b without being hindered by the support portion 10.

Therefore, the builder can easily connect the external wiring 35 to the connection ports 32a and 32b. As shown in FIG. 3, the terminal block 31 does not need to be attached strictly parallel to the boundary line between the back surface 20a and the side surface 20c, and the connection ports 32a and 32b are oriented toward the side surface 20c. Good.

Further, as shown in FIG. 3, the power supply terminal block 31a and the signal terminal block 31b are provided side by side along the end R on the back surface 20a. This allows the builder to work without changing the standing position or posture of the builder when connecting the external wiring 35 to the power supply terminal block 31a and the signal terminal block 31b.

Next, a case in which the lighting device 1 is attached while being tilted will be described with reference to FIG. FIG. 4 is a schematic diagram of the case where the lighting device 1 according to the embodiment is installed at an angle. Here, a case will be described in which the lighting device 1 takes the posture shown in FIG. 4 with the support 10 fixed to the ceiling.

It is preferable that the main body 40 is supported by the support 10 such that the main body 40 is horizontal or has a downward slope toward the end R where the terminal block 31 is provided. In this way, by tilting the main body 40, that is, the power supply box 20 so that the end R side where the terminal block 31 is provided is lowered, it is possible to make the terminal block 31 more visible to the builder. Further, at this time, the terminal block 31 approaches the builder by the amount by which the power supply box 20 is tilted. Therefore, the builder can connect the external wiring 35 at a closer position.

In this way, when the body portion 40 is tilted, the terminal block 31 of the power supply box 20 is preferably on the lower end R side. That is, when the lighting device 1 is mounted on the ceiling or the like, the lighting device 1 may be mounted so that the terminal block 31 is located on the lower end R side.

It should be noted that the swinging range of the main body 40 with respect to the support 10 may be set only in the direction in which the terminal block 31 has a downward slope toward the end R side.

Similarly, when the lighting device 1 is installed on a slanted ceiling, the back surface 20a of the power supply box 20 is in a horizontal position, or is in a downward slope toward the end R side where the terminal block 31 is provided. do it.

In addition, in the above-mentioned embodiment, although the illuminating device 1 showed the case where the power supply box 20 and the main-body part 40 were provided one by one, it is not restricted to this. That is, the lighting device 1 may include one power supply box 20 and a plurality of main body parts 40, or may include a plurality of power supply boxes 20 and one main body part 40. Further, the plurality of light emitting units 60 may be arranged side by side on the main body unit 40.

Although the embodiment of the present invention has been described, this embodiment is presented as an example and is not intended to limit the scope of the invention. This embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the invention described in the claims and the equivalents thereof as well as included in the scope and the gist of the invention.

DESCRIPTION OF SYMBOLS 1 Lighting device 10 Support part 20 Power supply box 20a Rear surface 20b-20e Side surface 26 Wiring 31 Terminal block 31a Power supply terminal block 31b Signal terminal block 32a, 32b Connection port 35 External wiring 35a Power supply line 35b Signal line 40 Main body part 50 Heat dissipation part 60 Light emission Part 70 Transparent cover
R end

Claims (5)

A light emitting unit including a plurality of light emitting elements;
A rectangular parallelepiped main body portion on the front side of which the light emitting portion is provided;
A support part for sandwiching the opposite side faces of the main body part and suspending and supporting the main body part swingably;
A rectangular parallelepiped power box provided on the back side of the main body in a posture in which each side of the back side and each side of the back side of the main body section face each other when viewed from the back side;
Provided at an end portion of the side surface side of the back surface as viewed from the side surface side adjacent to the side surface or the side surface of the power supply box is the side surface of the support portion do not overlap, is formed by the power supply box and the terminal block cover A terminal block in which a plurality of connection ports for connecting external wiring are arranged in the space ;
An illuminating device comprising: The terminal block is
The lighting device according to claim 1, wherein the lighting device is provided at the end portion on the back surface of the power supply box. The terminal block is
The lighting device according to claim 2, wherein the connection port for connecting the external wiring is attached in a posture facing the side surface where the support portion does not overlap. The terminal block is
A power supply terminal block to which a power supply line of the external wiring is connected; and a signal terminal block to which a signal line of the external wiring is connected,
The power supply terminal block and the signal terminal block,
The lighting device according to claim 2, wherein the lighting device is provided side by side along the end portion on the back surface of the power supply box. The main body is
The support portion is supported so that the back surface of the power supply box is in a horizontal posture or is in a posture in which it is inclined downward toward the end portion side where the terminal block is provided. The lighting device according to any one of 1.

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