JP2023148739A - Wiring duct attachment unit and illuminating device - Google Patents

Abstract

To provide a wiring duct attachment unit and an illuminating device that can improve the property of attaching/detaching an illuminating unit to/from a wiring duct.SOLUTION: A wiring duct attachment unit 22 comprises a wiring duct attachment part 56 to be attached to a wiring duct 10 to which an illuminating unit 21 is attached, and a magnetic force generation part 70 for holding and attaching a magnetic body part 71 comprised in the illuminating unit 21 by magnetic force.SELECTED DRAWING: Figure 3

Description

Embodiments of the present invention relate to a wiring duct mounting unit and a lighting device.

Conventionally, there are lighting devices that are used by being attached to wiring ducts.
In this lighting device, a mounting mechanism for removably attaching to the wiring duct is integrated into the lighting unit, so when attaching or detaching the lighting unit, operate the attachment mechanism to attach or detach it to the wiring duct. This means that it takes time to put on and take off.

Japanese Patent Application Publication No. 2020-119672

The problem to be solved by the present invention is to provide a wiring duct mounting unit and a lighting device that can improve the ease of attaching and detaching a lighting unit to a wiring duct.

The wiring duct attachment unit of the embodiment includes a wiring duct attachment part that is attached to a wiring duct to which a lighting unit is attached, and a magnetic force generation part that magnetically holds and attaches a magnetic body part that the lighting unit has.

According to the wiring duct attachment unit of the embodiment, it can be expected that the ease of attaching and detaching the lighting unit to the wiring duct will be improved.

FIG. 1 is a perspective view of a lighting device showing a first embodiment. It is a side view seen from the longitudinal direction of the lighting device same as the above. It is a side view with a part omitted when seen from the longitudinal direction of the lighting device same as the above. It is an exploded perspective view showing the wiring duct attachment unit of the holding side of the lighting device same as the above. It is an exploded perspective view showing the wiring duct installation unit on the power supply side of the lighting device same as the above. FIG. 7 is an exploded perspective view showing a wiring duct attachment unit on the holding side of the lighting device according to the second embodiment.

A first embodiment will be described below with reference to FIGS. 1 to 5.

In FIGS. 1 to 3, 10 is a wiring duct (writing duct). This wiring duct 10 is provided in a long rail shape, is installed on an installation surface such as a ceiling surface, and can be used by attaching an electrical device to an arbitrary position in the longitudinal direction and electrically connecting it.

The wiring duct 10 includes a duct body 11, a pair of insulators 12 disposed on both sides of the duct body 11 in the width direction that intersects with the longitudinal direction, and a pair of insulators 12 attached to these insulators 12, respectively. A pair of conductors 13 are provided.

The duct main body 11 is made of metal such as aluminum, and is provided in a substantially rectangular hollow shape and long. A duct opening 11a is provided in the center of the lower surface of the duct body 11 along the longitudinal direction. At the lower part of the duct body 11, support edges 11b are provided on both sides of the duct opening 11a. On one side of the lower part of the duct body 11, a polarity protrusion 11c that indicates the polarity on the ground side is provided to protrude downward.

The pair of insulators 12 are made of resin, for example, and are provided in an elongated manner. The pair of insulators 12 support the conductor 13 and are arranged along the longitudinal direction on both sides of the duct opening 11a within the duct body 11.

The pair of conductors 13 are elongated metal plates, for example. The pair of conductors 13 are disposed opposite to each other on both sides of the duct opening 11 a within the duct body 11 by the pair of insulators 12 . The pair of conductors 13 are supplied with predetermined external power such as AC power or DC power from an external power source.

Further, in FIGS. 1 to 3, 20 is a lighting device. The lighting device 20 is attached to any position in the longitudinal direction of the wiring duct 10 and is used while being electrically connected. The lighting device 20 is a slim lighting device that is elongated and has a width dimension in the width direction, which is a short direction intersecting the longitudinal direction, which is smaller than a height dimension in the height direction. The lighting device 20 corresponds to forming a line light source by arranging a plurality of lighting devices 20 in succession along the longitudinal direction of the wiring duct 10.

The lighting device 20 includes a lighting unit 21 , a holding wiring duct attachment unit 22 which is an adapter for attaching one end of the lighting unit 21 to the wiring duct 10 , and an adapter for attaching the other end of the lighting unit 21 to the wiring duct 10 . A wiring duct attachment unit 23 for power supply is provided.

The lighting unit 21 includes a cover 30 that is a housing, a light source mounting section 31 disposed inside the cover 30, a light source 32 and a power supply section 33 attached to the light source mounting section 31 and disposed within the cover 30. We are prepared.

The cover 30 is made of resin and is elongated, and is formed into a box shape in which the width dimension in the width direction, which is the transverse direction intersecting the longitudinal direction, is smaller than the height dimension in the height direction. There is. The cover 30 has a front face part 35, side faces 36 on both sides in the lateral direction, and end face parts 37 on both ends in the longitudinal direction, and has an opening 38 formed on the top side. The cover 30 has a front face part 35 and side face parts 36 on both sides formed integrally, an end face part 37 formed separately, and these parts are combined.

The lower side of the cover 30 , that is, the lower side of the front surface portion 35 , the side surface portion 36 , and the end surface portion 37 are formed into a transparent portion 39 through which the light from the light source 32 passes, and the upper side of the cover 30 , that is, the lower side of the front surface portion 35 , the side surface portion 36 , and the end surface portion 37 The upper side thereof is formed into an opaque portion 40 through which light does not pass. In the cover 30, a transparent portion 39 and a non-transparent portion 40 are integrally formed by two-color molding.

The dimension between the inner sides of the side surfaces 36 on both sides of the cover 30 is wider than the width dimension in the width direction of the wiring duct mounting units 22 and 23, so that the wiring duct mounting units 22 and 23 can be placed inside the cover 30 through the opening 38. There is.

A light source holding portion 41 is provided on the inner surface of the side surface portions 36 on both sides of the cover 30 at an intermediate position in the height direction of the side surface portion 36 and below the opaque portion 40 .

Moreover, the light source attachment part 31 is made of metal, for example, and is provided in an elongated manner. The light source attachment portion 31 is attached between the light source holding portions 41 on the side portions 36 on both sides of the cover 30 .

A light source (light source module) 32 is attached to the lower surface side of the light source holder 31. A substantially L-shaped support portion 43 that supports one side of the light source (light source module) 32 in the width direction is provided on one side in the width direction on the lower surface side of the light source holding portion 31 . A plurality of screws 44 for screwing the other side of the light source (light source module) 32 in the width direction are screwed onto the other side of the lower surface side of the light source holding part 41 in the width direction.

Further, the light source 32 uses a light source module. The light source 32 includes a long substrate 46 and a plurality of light emitting elements 47 mounted on the front surface of the substrate 46 at predetermined intervals along the longitudinal direction. As the light emitting element 47, an LED, an organic EL, or the like is used. The back side of the board 46 is attached to and thermally connected to the lower side of the light source attachment part 31. Note that the light source 32 is not limited to a light source module, and may be any device that emits light, such as a lamp.

Further, the power source section 33 is attached near the center in the longitudinal direction on the upper surface side of the light source attachment section 31. The power supply unit 33 is electrically connected to the power supply wiring duct attachment unit 23 by wiring, and receives external power supplied from the wiring duct 10. The power supply section 33 converts the input external power into lighting power such as DC power necessary for lighting the light source 32 and supplies it to the light source 32 . The lighting power output section of the power supply section 33 and the light source 32 are electrically connected by wiring.

Further, as shown in FIGS. 1 to 4, the holding wiring duct attachment unit 22 includes a main body 50, a casing 52 having an insertion portion 51 protruding from the top surface of the main body 50, and an interior of the casing 52. A pair of mounting members 53 are disposed so as to be movable in the width direction, and are protruded from both sides of the insertion portion 51 in the width direction so as to be movable in the width direction. It includes a biasing member (not shown) that biases, and an operating member 54 that is operable from the end side of the main body portion 50.

The main body portion 50 and the insertion portion 51 protruding from the upper surface of the main body portion 50 are provided in the shape of a long rectangular parallelepiped corresponding to the longitudinal direction of the wiring duct 10 and the cover 30. The widthwise dimension of the main body 50 is wider than the duct opening 11a, and recesses 55 are provided on both sides of the upper surface of the main body 50 in the width direction, in which the polarity protrusions 11c of the wiring duct 10 are disposed. There is. The insertion portion 51 can be inserted into the wiring duct 10 through the duct opening 11a.

The pair of attachment members 53 have a wiring duct attachment portion 56 that protrudes from the side surface of the insertion portion 51 . The wiring duct attachment portion 56 is provided in the shape of a claw, with the upper surface being an inclined surface that slopes downward toward the tip, and the lower surface being a locking surface that is perpendicular to the side surface of the insertion portion 51. The wiring duct attachment part 56 of each attachment member 53 can move forward and backward in the width direction from the side surface of the insertion part 51, and is removably attached to the support edge 11b of the wiring duct 10.

The operating member 54 is disposed on the main body 50 so as to be movable along the longitudinal direction, and an operating section 57 provided at one end protrudes from one end surface of the main body 50 . The operating member 54 is configured to interlock with the pair of mounting members 53 via an interlocking mechanism such as a cam or a rack/pinion, and when the operating section 57 is pushed into the main body section 50 and moved, A pair of attachment members 53 are configured to move into the insertion portion 51 against the biasing force of the biasing member.

In addition, as shown in FIGS. 1 and 5, the power supply wiring duct mounting unit 23 is attached to the housing 60, and is protruded from the top surface of the housing 60 and rotates horizontally about an axis in the vertical direction. It includes a plug 61 that can be provided and an operating member 62 that rotates the plug 61.

The housing 60 is formed to have substantially the same shape as the main body portion 50 of the housing 52 of the wiring duct attachment unit 22 for holding. Therefore, similarly to the recess 55 of the main body portion 50, recesses 60a are provided on both sides of the upper surface of the housing 60 in the width direction, in which the polarity protrusions 11c of the wiring duct 10 are arranged.

The plug 61 has a plug body 63 made of resin. This plug body 63 is smaller than the width of the duct opening 11a of the wiring duct 10, and is provided with a diameter dimension (width dimension) that allows it to be inserted into the duct opening 11a. A pair of wiring duct attachment parts 64 and a pair of terminals 65 protrude from the side surface of the plug body 63. The pair of wiring duct attachment parts 64 are integral with the plug body 63, have the same width as the plug body 63, protrude in the opposite direction with respect to the center of the plug body 63, and support the wiring duct 10. It can be engaged and detached from the edge 11b. The pair of terminals 65 are located on the upper side of the plug body 63 than the pair of wiring duct attachment parts 64 and protrude in the same direction as the pair of wiring duct attachment parts 64 in the opposite direction with respect to the center of the plug body 63. The conductors 13 of the wiring duct 10 can be electrically connected by contacting the pair of conductors 13. The pair of terminals 65 are electrically connected to the power input section of the power supply section 33. This electrical connection may be made by attaching the power supply wiring duct attachment unit 23 and the lighting unit 21 so that their terminals come into contact with each other, or by wiring with a connector. May be connected.

The operating member 62 is connected to the lower side of the plug body 63, and the pair of wiring duct attachment parts 64 and the pair of terminals 65 are located at a disconnection position along the longitudinal direction of the housing 60 and a connection position along the width direction of the housing 60. It is possible to rotate together between the two. The operating member 62 has an operating section 66 disposed on one side of the housing 60, and allows the plug 61 to be rotated by operating the operating section 66.

The cover 30 is provided with an operation window that allows the operation member 62 of the power supply wiring duct attachment unit 23 to be rotated when the lighting unit 21 is attached to the power supply wiring duct attachment unit 23. Good too.

Further, as shown in FIGS. 3 and 4, the holding wiring duct attachment unit 22 includes a magnetic force generating section 70 for holding and attaching the lighting unit 21 with magnetic force. The magnetic force generating section 70 is arranged on the lower surface side of the main body section 50 of the housing 52 facing the lighting unit 21 . The magnetic force generating section 70 includes a magnet such as a permanent magnet that generates magnetic force, and may further include a contact magnetic body through which the magnetic force from the magnet is transmitted and comes into contact with the magnetic body to be held.

The lighting unit 21 includes a magnetic body part 71 that is magnetically held and attached to the magnetic force generating part 70 of the wiring duct attachment unit 22 for holding. The magnetic body portion 71 is formed into a plate shape of a ferromagnetic material such as an iron plate, and is attached to the upper surface of the light source attachment portion 31 . The magnetic body part 71 has one end bent into a substantially L shape, and this one end is attached to the upper surface of the light source attachment part 31, and the other end is a position where the lighting unit 21 is attached to the wiring duct attachment unit 22 for holding. It is arranged at a position upwardly separated from the light source attachment part 31 so as to come into contact with the magnetic force generation part 70 and be held by the magnetic force.

Further, as shown in FIG. 5, the power supply wiring duct attachment unit 23, like the above-mentioned holding wiring duct attachment unit 22, includes a magnetic force generating section 70 for holding and attaching the lighting unit 21 with magnetic force. ing. The magnetic force generating section 70 is arranged on the lower surface side of the casing 60 facing the lighting unit 21.

Similarly to the above, the lighting unit 21 also includes a magnetic body part 71 that is held by magnetic force and attached to the magnetic force generating part 70 of the power supply wiring duct attachment unit 23.

In order to install the lighting device 20 in the wiring duct 10, as a first example of the installation method, first, the wiring duct installation unit 22 for holding and the wiring duct installation unit 23 for power feeding are installed in the wiring duct 10, and then , the lighting unit 21 is attached to the wiring duct attachment unit 22 for holding and the wiring duct attachment unit 23 for power feeding. In this case, the wiring duct attachment unit 22 for holding and the wiring duct attachment unit 23 for power supply are attached to the wiring duct 10 at a predetermined distance corresponding to the position of the magnetic body parts 71 on both ends of the lighting unit 21. Attach.

The holding wiring duct attachment unit 22 inserts the insertion portion 51 into the duct opening 11a of the wiring duct 10 from below. During the insertion process, the inclined surface of the upper surface of the wiring duct attachment part 56 of the attachment member 53 comes into contact with the support edges 11b on both sides of the wiring duct 10, and the wiring duct attachment part 56 is inserted against the biasing force of the biasing member. It retreats toward the inside of the section 51. When the wiring duct attachment part 56 is pushed up above the support edges 11b on both sides of the wiring duct 10, the wiring duct attachment part 56 protrudes from the side surface of the insertion part 51 by the urging of the urging member, and A retaining wiring duct attachment unit 22 is attached to the wiring duct 10 and is engaged on the support edge 11b.

In the power supply wiring duct installation unit 23, the plug 61 is inserted into the duct opening 11a of the wiring duct 10 from below, and the operating section 66 of the operating member 54 is operated with the top surface of the housing 60 in contact with the wiring duct 10. and rotate the plug 61. When the plug 61 is rotated, the pair of wiring duct attachment parts 64 engage on the supporting edges 11b on both sides of the wiring duct 10, and are engaged and fixed between the supporting edges 11b and the insulator 12. , and the pair of terminals 65 contact the pair of conductors 13 of the wiring duct 10 and are electrically connected.

The lighting unit 21 is lifted and moved upward so that the wiring duct attachment units 22 and 23 attached to the wiring duct 10 are inserted into the cover 30 through the opening 38 on the upper surface side.

As a result, the magnetic body parts 71 arranged at both ends of the lighting unit 21 face and approach the magnetic force generating parts 70 of the wiring duct attachment units 22 and 23, so that the magnetic force generated by the magnetic force generating parts 70 The magnetic body part 71 is attracted, and the magnetic force generating part 70 and the magnetic body part 71 are held in contact with each other. When the magnetic force generating section 70 and the magnetic body section 71 are in contact with each other, the holding force due to the magnetic force becomes maximum.

Thereby, both ends of the lighting unit 21 are attached to the wiring duct 10 via the wiring duct attachment units 22 and 23. Note that the power supply wiring duct attachment unit 23 and the power supply section 33 are electrically connected even if their terminals contact each other and are electrically connected when the power supply wiring duct attachment unit 23 and the lighting unit 21 are attached. Alternatively, it may be electrically connected using wiring with a connector.

In this way, the construction of the lighting device 20 is completed, and even one worker can easily perform the construction.

As a second example of the construction method, the power supply wiring duct attachment unit 23 is attached to the wiring duct 10, the holding wiring duct attachment unit 22 is attached to one end of the lighting unit 21 by magnetic force, and the wiring duct attachment unit 22 for holding is attached to one end of the lighting unit 21 by magnetic force. The other end side of the lighting unit 21 may be attached to the power supply wiring duct attachment unit 23 by magnetic force while attaching the holding wiring duct attachment unit 22 attached to the side to the wiring duct 10. In this case, when attaching the holding wiring duct attachment unit 22 to the wiring duct 10, it can be attached without considering the distance from the power feeding wiring duct attachment unit 23, and the attachment becomes easier.

On the other hand, when removing the lighting device 20 from the wiring duct 10, the lighting unit 21 is first moved downward against the magnetic force, and the magnetic body parts 71 at both ends of the lighting unit 21 are attached to the wiring duct mounting unit. The lighting unit 21 can be removed from the wiring duct 10 by moving it away from the magnetic force generating parts 70 of 22 and 23.

After that, in the wiring duct attachment unit 22 for holding, the operation part 57 is pushed in from the end direction of the main body part 50 to move the pair of wiring duct attachment parts 56 backward from the duct body 11 into the insertion part 51. As a result, the pair of wiring duct attachment parts 56 are removed from the support edges 11b on both sides of the wiring duct 10, and the holding wiring duct attachment unit 22 is moved downward and removed from the wiring duct 10.

In the wiring duct mounting unit 23 for power supply, the operating section 66 is operated to rotate the plug 61, and the pair of wiring duct mounting sections 64 are moved from above the supporting edges 11b on both sides of the wiring duct 10 to above the duct opening 11a. At the same time, by moving the pair of terminals 82 from the positions where they contact the conductors 13 on both sides of the wiring duct 10 to above the duct opening 11a, the power supply wiring duct mounting unit 23 is moved downward and removed from the wiring duct 10. remove.

In the first embodiment, the wiring duct attachment units 22 and 23 attached to the wiring duct 10 include the magnetic force generating section 70, and the lighting unit 21 includes the magnetic body section 71, so that the lighting unit 21 is held by magnetic force. Since the lighting unit 21 can be attached and removed against the magnetic force, it is possible to improve the ease of attaching and detaching the lighting unit 21 to the wiring duct 10.

Further, as in the second embodiment shown in FIG. 6, the holding wiring duct attachment unit 22 may include the magnetic body part 71, and the lighting unit 21 may include the magnetic force generating part 70. In this case, a magnetic force generating section attachment member 72 is used to attach the magnetic force generating section 70 to the light source attaching section 31, and the lighting unit 21 is attached to the holding wiring duct attachment unit 22 using the magnetic force generating section attaching member 72. The magnetic force generating section 70 is placed in a position where it can come into contact with the magnetic body section 71 and be held by magnetic force. Further, the power supply wiring duct attachment unit 23 may also be configured in the same manner.

Note that one of the holding wiring duct attachment unit 22 and the power supply wiring duct attachment unit 23 may be held by magnetic force as an adapter to attach the lighting unit 21, and the other may be fixedly provided to the lighting unit 21. .

Alternatively, it may be configured to be attached to the wiring duct 10 by one of the wiring duct attachment unit 22 for holding or the wiring duct attachment unit 23 for power supply. If only the wiring duct mounting unit 22 for holding is attached to the wiring duct 10, power may be supplied by the feed wiring from another lighting device placed adjacently, or the power may be supplied from the wiring duct 10. A separate power supply unit for receiving the power may be used.

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

10 Wiring duct 20 Lighting device 21 Lighting unit 22, 23 Wiring duct mounting unit 56, 64 Wiring duct mounting part 70 Magnetic force generating part 71 Magnetic body part

Claims (4)

a wiring duct mounting part that is attached to the wiring duct to which the lighting unit is attached;
a magnetic force generating section that magnetically holds and attaches the magnetic body section of the lighting unit;
A wiring duct mounting unit comprising: a wiring duct mounting part that is attached to the wiring duct to which the lighting unit is attached;
a magnetic body part that magnetically holds and attaches the magnetic force generating part of the lighting unit;
A wiring duct mounting unit comprising: The wiring duct mounting unit according to claim 1, which is attached to a wiring duct;
a lighting unit having a magnetic body part that is magnetically held and attached to the magnetic force generating part of the wiring duct attachment unit;
A lighting device comprising: A wiring duct mounting unit according to claim 2, which is attached to a wiring duct;
a lighting unit having a magnetic force generation section that magnetically holds and attaches the magnetic body section of the wiring duct attachment unit;
A lighting device comprising:

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