JP5624853B2 - lighting equipment - Google Patents

Description

  The present invention relates to a luminaire used to ensure the illuminance of a work surface in a work space such as an office or a home.

  Conventionally, as a luminaire used to secure the illuminance of the work surface in a work space such as an office or a home, the illuminating lamp is housed in the cover member so that the appearance can be satisfactorily accommodated. In general, the illumination function is realized by irradiating illumination light through a window provided below.

  In such a luminaire, the illumination section is arranged close to the power switch so that the user can know the position of the power source intuitively, or the switch mechanism is housed in the cover member to form the luminaire. For reasons such as being able to fit well, there are many cases where a power switch is provided in the illumination portion of the task light device (see, for example, Patent Documents 1 and 2).

JP 2008-123863 A JP 2007-026723 A

However, the conventional lighting fixture has the following problems.
That is, in the luminaires shown in Patent Documents 1 and 2, since the switch mechanism is directly provided on the cover material, there is a demand for a luminaire having a large length when changing the position of the power switch, When you want to increase the number of power switches according to the situation, you have to create a dedicated cover member corresponding to each, which increases the manufacturing cost and requires a special mounting structure. There was room for improvement in that respect.

  The present invention has been made in view of the above-described problems, and an object thereof is to provide a lighting apparatus that can suitably change the mounting position of the power switch and the mounting quantity with a simple and inexpensive structure. And

In order to achieve the above object, the luminaire according to the present invention is a luminaire that is used to ensure the illuminance of a work surface in a work space such as an office or a home, and includes a luminaire that forms a light source. In addition, an illumination cover having an irradiation opening for guiding light generated from the illumination device and a switch unit that is electrically connected to the illumination device and can be switched on and off are provided. A guide rail is provided at an opening edge extending in parallel to face each other, and the switch unit is engaged with the switch unit so as to be slidable along the guide rail. parts is formed, wherein the opening portion excluding the portion where the switch unit is attached of the irradiation opening, a cover member having a light-transmitting closes the opening portion is disposed, the cover The material is provided with a second engagement portion that is slidably engaged along the guide rail. By engaging the first engagement portion with the guide rail, the switch unit is attached to the illumination cover. The cover member is attached to the lighting cover by being disposed in the irradiation opening and engaging the second engagement portion with the guide rail .

In the present invention, the switch unit is arranged at an arbitrary position of the irradiation opening by engaging and sliding the first engagement portion of the switch unit on the guide rail provided in the irradiation opening of the lighting cover. Can be made. As described above, since the position of the switch unit can be changed in the sliding direction, the mounting position of the power switch in the lighting fixture can be changed, and the mounting quantity can be easily changed.
In addition, the guide cover is provided on the lighting cover and the first engaging portion is provided on the switch unit, and the special structure necessary for changing the position of the switch unit is not required. There is.
Further, the cover member can be arranged at an arbitrary position of the irradiation opening by engaging and sliding the second engaging portion of the cover member on the guide rail provided in the irradiation opening of the illumination cover. Can do. In other words, by arranging this cover member in the irradiation opening to which the switch unit is not attached, the lighting device is not exposed to the outside from the opening of the irradiation opening, and looks and looks good as a lighting fixture. Can fit in.
Further, by covering the entire area of the irradiation opening with the switch unit and the cover member, the movement of the switch unit in the sliding direction is restricted, and the switch unit can be positioned at a predetermined position.

In the lighting fixture according to the present invention, a plurality of cover members may be engageable with the guide rail.
In the lighting fixture according to the present invention, a plurality of switch units may be engageable with the guide rail.
In the present invention, a plurality of cover members and a plurality of switch units can be arranged on the guide rail, or an appropriate number of each of the cover members and the switch units can be arranged. Can be dealt with inexpensively and flexibly.

  According to the lighting fixture of the present invention, it is possible to suitably change the mounting position of the power switch and the mounting quantity with a simple and inexpensive structure.

It is a perspective view which shows an example of the task light apparatus by embodiment of this invention. It is a perspective view of the illumination part shown in FIG. It is a side view of the task light apparatus shown in FIG. It is a schematic exploded perspective view of a task light device. It is the perspective view which decomposed | disassembled the task light apparatus shown in FIG. 4 further in detail. It is a top view of a lighting cover. It is a bottom view of an illumination part. It is the sectional view on the AA line shown in FIG. It is the BB sectional view taken on the line shown in FIG. It is a top view of an end cover. It is the figure which looked at the switch cover from the lower part. It is a side view of a switch cover.

  Hereinafter, lighting fixtures according to embodiments of the present invention will be described with reference to the drawings.

A task light device 1 (lighting fixture) according to the present embodiment shown in FIG. 1 and FIG. 2 is used to ensure the illuminance of a work surface in a work space such as an office or home.
The task light device 1 includes an installation part 2 that is placed on or attached to a desk D (furniture) having a work surface Da, an arm 3 that can be rotated from the installation part 2 or can be changed in angle, and an arm 3. And an illuminating unit 4 provided continuously from the tip of the illuminating unit.
Here, the desk D has a partition wall Db on the front surface of the work surface Da, and is provided with a concave groove Dc extending along the upper edge of the partition wall surface Db.

  As shown in FIG. 3, the installation portion 2 includes a pin member 21 that is rotatably provided at the base end portion of the arm 3, a pin insertion portion 22 a that supports the pin member 21 so that the pin member 21 can be inserted from above, and a desk D. And a clamp portion 22 having an engagement portion 22b that engages with the concave groove Dc. That is, by engaging the engaging portion 22b with the concave groove Dc of the desk D, the clamp portion 22 is fixed, and the pin member 21 provided at the base end portion of the arm 3 is inserted into the pin insertion portion 22a. The arm 3 is supported by the desk D through the installation part 2.

  The arm 3 has a power cable 5 connected to the illumination unit 4 inserted therein, and a switch unit 10 to be described later is supported at the tip.

  As shown in FIGS. 4 and 5, the illumination unit 4 includes an LED substrate 42 (illumination device) that forms a light source, and an irradiation opening that guides light generated from the LED substrate 42 downward. The lighting unit 40 is formed with a portion 41a, and the switch unit 10 includes a non-contact infrared sensor 11 (switch unit) that can switch the power supply of the LED substrate 42 on and off.

First, the illumination structure part 40 provided with the light source by LED is demonstrated.
The illumination component unit 40 is configured by extrusion molding and has an illumination cover 41 that forms an irradiation opening 41a, the LED substrate 42 built in the illumination cover 41, and a lower surface side of the LED substrate 42. And a light transmitting plate 44 (cover member) having a light transmitting property for closing the irradiation opening 41a, and end covers 45 for closing both ends of the illumination cover 41. .

  As shown in FIGS. 6 to 9, the illumination cover 41 is a long member extending in one direction and includes an upper plate portion 41A and side wall portions 41B and 41B extending downward from both sides in the width direction. The cross-section perpendicular to the longitudinal direction is substantially U-shaped and opens downward. An engagement groove 41b (guide rail) is formed in the irradiation opening 41a of the illumination cover 41 along parallel opening edges that are arranged to face each other. An engagement convex portion 13c of the switch unit 10, which will be described later, an engagement convex portion 44a of the translucent plate 44, and a locking convex portion 45a of the end cover 45 can be engaged with the engagement groove 41b.

The side wall portion 41B of the illumination cover 41 is provided with a protruding curl portion 41c that protrudes inward from the portion above the irradiation opening 41a on the inner surface thereof and curves upward. The overhang curl portion 41c is provided over the entire length of the illumination cover 41, and female screw portions (not shown) are formed on the inner surface of the overhang curl portion 41c at both ends in the longitudinal direction. The female thread portion is for screwing a screw 45e (see FIG. 5) for fixing the end cover 45.
The side wall portion 41B is provided with a groove 41d for radiating heat generated from the light source.

  As shown in FIG. 5, the LED substrate 42 is disposed on the lower surface of the upper plate portion 41A of the illumination cover 41 and is connected to a power source via the switch unit 10, and a plurality of LEDs are arranged on the lower surface of the substrate with appropriate intervals. Has been placed.

  The reflection plate 43 is provided with an opening at a position corresponding to the LED of the LED substrate 42, has a shape in which the center in the width direction is raised, and both ends in the width direction are locked to the upper end of the overhanging curled portion 41c of the lighting cover 41 Thus, the LED substrate 42 is supported from below by pressing it against the illumination cover 41.

  The translucent plate 44 shown in FIGS. 5, 7, and 8 is formed with engaging convex portions 44 a that are slidably engaged along the engaging grooves 41 b on both sides in the width direction. That is, the translucent plate 44 is configured to be inserted and attached from the opening at the end portion in the longitudinal direction of the illumination cover 41 while engaging the engaging convex portion 44a with the engaging groove 41b. The translucent plate 44 closes the opening of the irradiation opening 41a excluding the portion where the switch unit 10 is attached.

  As shown in FIGS. 4, 5, and 10, the end cover 45 is provided with a locking convex portion 45 a (second engaging portion) that is locked to the engaging groove 41 b of the lighting cover 41 on one end surface side. A screw insertion hole 45b is formed at a position corresponding to the female thread portion of the overhang curl portion 41c (FIG. 8). Furthermore, a recessed portion 45c is provided on the other end surface side of the end cover 45, and a closing member 45d such as a name plate is fitted and attached to the recessed portion 45c. In other words, the end cover 45 has the female threaded portion of the overhanging curled portion 41c while the screw 45e is inserted into the insertion hole 45b from the recessed portion 45c side with the locking convex portion 45a locked in the engaging groove 41b. The opening of the end portion in the longitudinal direction of the illumination cover 41 is closed by being screwed onto the illumination cover 41.

  Next, as shown in FIG. 4 and FIG. 5, the switch unit 10 constituting the illumination unit 4 accommodates the control board 12 including the infrared sensor 11, the control board 12 inside, and the infrared sensor 11. A switch cover 13 having an opening 13a for transmitting and receiving infrared rays, and an arm attachment portion 14 provided integrally with the switch cover 13 and rotatably attached to the distal end of the arm 3 are provided.

  The infrared sensor 11 switches the power supply of the LED board 42 on and off according to the amount of reflection reflected when the infrared ray irradiated downward hits another object. In addition, this reflective range (detection range) can be set to about 10 cm, for example. For example, when the hand is held within the detection range of the infrared sensor 11, the sensor switch is turned on / off, whereby the power supply of the LED substrate 42 can be turned on and off.

As shown in FIGS. 11 and 12, the switch cover 13 has the opening 13a arranged at one end in the longitudinal direction, and the power cable 5 (see FIG. 5) at the other end where the arm attaching portion 14 is attached. Through holes 13b are formed, and engaging convex portions 13c (first engaging portions) that are slidably engaged along the engaging grooves 41b of the illumination cover 41 are formed on both sides in the width direction. A sensor cover 13d (FIG. 5) capable of transmitting infrared rays is fitted into the opening 13a of the switch cover 13.
In other words, the switch cover 13 is inserted and slid from the opening at the end in the longitudinal direction of the illumination cover 41 while the engagement convex portion 13c is engaged with the engagement groove 41b while the control board 12 is accommodated. The cover 41 can be attached to any position. The switch cover 13 is fixed at a predetermined position by restricting the movement in the sliding direction by arranging the above-described translucent plate 44 or the end cover 45 on both sides in the longitudinal direction.

  4 and 5 has a rotating shaft 14a in a direction orthogonal to the axial direction (longitudinal direction) of the arm 3, and is rotatable about the rotating shaft 14a. The whole illumination part 4 is connected with respect to the front-end | tip of the arm 3 so that angle change is possible. The movable range of the arm mounting portion 14 with respect to the arm 3 is restricted by a known restriction structure so that the arm 3 is not positioned below the sensor cover 13d (infrared sensor 11).

Next, the operation of the task light device 1 described above will be described in detail with reference to the drawings.
As shown in FIGS. 4, 5, 7 to 9, the engaging projections 13 c of the switch unit 10 are engaged with the engaging grooves 41 b provided in the irradiation opening 41 a of the illumination cover 41, and are slid. By doing so, the switch unit 10 can be arranged at an arbitrary position of the irradiation opening 41a. As described above, since the position of the switch unit 10 can be changed in the sliding direction, the mounting position of the power switch in the lighting fixture can be changed, and the mounting quantity can be easily changed.
In addition, the illumination cover 41 is simply provided with the engagement groove 41b and the switch unit 10 is provided with the engagement convex portion 13c, and a special structure necessary for changing the position of the switch unit 10 is not required. There is an advantage to become a simple structure.

Further, by engaging and sliding the engaging convex portion 44a of the light transmitting plate 44 in the engaging groove 41b provided in the irradiation opening 41a of the illumination cover 41, the light transmitting plate 44 is irradiated. It can be arranged at an arbitrary position of 41a. That is, by disposing the translucent plate 44 in the irradiation opening 41a to which the switch unit 10 is not attached, the LED substrate 42 is not exposed to the outside from the opening of the irradiation opening 41a, and the task light device. Appearance as 1 and good appearance.
Further, by covering the entire area of the irradiation opening 41a with the switch unit 10 and the translucent plate 44, the movement of the switch unit 10 in the sliding direction is restricted, and the switch unit 10 can be positioned at a predetermined position.

  As described above, in the lighting apparatus according to the present embodiment, it is possible to suitably change the mounting position of the power switch and the mounting quantity with a simple and inexpensive structure.

As mentioned above, although embodiment of the lighting fixture by this invention was described, this invention is not limited to said embodiment, It can change suitably in the range which does not deviate from the meaning.
For example, in the present embodiment, an engagement groove 41b is provided in the irradiation opening 41a of the illumination cover 41, and the switch unit 10 is engaged with the engagement convex portion 13c and the translucent plate 44 so as to correspond to the engagement groove 41b. The engaging protrusions 45a and the end cover 45 are provided with locking protrusions 45a. However, the present invention is not limited to such a configuration. The guide rail on the irradiation opening 41a side is a protrusion, and the switch unit 10 The translucent plate 44 and the end cover 45 may be recessed.

  In the present embodiment, one switch unit 10 and one light transmission plate 44 are attached to one light cover 41, but the present invention is not limited to this, and one light cover 41 is provided. For example, a plurality of translucent plates 44, 44,... And a plurality of switch units 10, 10,... Are arranged in the engaging groove 41b, or an appropriate number of translucent plates 44 and switch units 10 are respectively arranged. Therefore, it is possible to flexibly respond to various demands for changing the mounting position, the mounting quantity, etc. at a low cost.

In the present embodiment, the switch unit 10 has a structure in which the arm mounting portion 14 is integrally provided on the switch cover 13, but the arm mounting portion 14 may be provided separately from the switch cover 13.
Further, the fixing method of the task light device 1 to the structure such as the desk D is not limited to the installation part 2 as in the present embodiment, and an installation part structure that matches the structure to be attached is adopted. It is possible. In short, the task light device 1 including the illumination unit 4 having the arm 3 is within the scope of the present invention.

  Further, in the present embodiment, the LED substrate 42 is supported by the reflector 43 from below, but the present invention is not limited to this. For example, the LED substrate 42 is attached to the lower surface of the upper plate portion 41A of the illumination cover 41 by bonding. Also good. Or you may be the structure which fixed the LED board 42 to the translucent board 44 side previously. In this case, since the LED substrate 42 can be disposed at the same time as the translucent plate 44 is attached, the positioning operation of the translucent plate 44 and the LED substrate 42 can be eliminated.

Furthermore, although the infrared sensor 11 is employed as the proximity sensor in the present embodiment, the present invention is not limited to this, and a sensor using electromagnetic waves with other frequencies may be applied.
In the present embodiment, the illuminance is changed stepwise in the detection range of the infrared sensor 11 in accordance with the time for blocking infrared rays. However, such an illuminance changing function may not be used. .

Furthermore, the configuration of the lighting component 40 of the task light device 1 and the shape and size of each part of the switch unit 10 can be appropriately set according to conditions.
In addition, it is possible to appropriately replace the components in the above-described embodiments with known components without departing from the spirit of the present invention.

1 Task light device (lighting fixture)
2 Installation part 3 Arm 4 Illumination part 10 Switch unit 11 Infrared sensor (switch part)
12 control board 13 switch cover 13a opening 13c engagement convex part (first engagement part)
13d Sensor cover 14 Arm mounting portion 40 Illumination component 41 Illumination cover 41a Irradiation opening 41b Engaging groove (guide rail)
42 LED board (lighting device)
44 Translucent plate (cover member)
44a Engaging convex portion (second engaging portion)
45 End cover 45a Locking convex part D Desk

Claims (3)

It is a lighting fixture used to secure the illuminance of the work surface in office spaces such as offices and homes,
A lighting cover having a built-in lighting device that forms a light source and an irradiation opening that guides light generated from the lighting device;
A switch unit provided with a switch unit that is electrically connected to the lighting device and capable of switching on and off the lighting device;
Have
The irradiation opening is provided with a guide rail at an opening edge extending in parallel to face each other,
The switch unit is formed with a first engagement portion that is slidably engaged along the guide rail ,
A cover member having translucency for closing the opening part is disposed in an opening part of the irradiation opening part excluding a part to which the switch unit is attached.
The cover member is provided with a second engagement portion that is slidably engaged along the guide rail,
By engaging the first engagement portion with the guide rail, the switch unit is disposed in the irradiation opening of the illumination cover, and the second engagement portion is engaged with the guide rail. Thus , the lighting device is characterized in that the cover member is attached to the lighting cover . The lighting apparatus according to claim 1 , wherein a plurality of the cover members are engageable with the guide rail. The guide rail, luminaire according to claim 1 or 2 more of the switch unit is characterized in that it is engaged.

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