JPH06176613A - Lighting system - Google Patents

Abstract

PURPOSE:To enable the angle of illumination to be freely varied without directly touching a lighting system and to improve the appearance of the system. CONSTITUTION:A holding member 5 to which a lamp unit 2 is removably mounted is incorporated into a ceiling. The lamp unit 2 includes a lamp body 8 for enclosing a light source, a first holding member 9 by which the lamp body 8 is held in such a manner as to freely turn about a first axis 10 (direction of arrow A, B), and a second holding member 11 by which the first holding member 9 is held in such a manner as to freely turn about a second axis 12 (direction of arrow C, D). First and second motors 17, 18 for tuning the lamp body 8 and the first holding member 9, respectively, are mounted on the respective first and second holding members 9, 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device mounted on a ceiling, a wall surface or the like so that the lighting angle can be freely changed.

[0002]

2. Description of the Related Art Conventionally, a relatively small illuminating device for local illumination is installed on a ceiling or a wall surface of a home, an office room, a hospital room, or the like. There are two types of such illumination devices, one that can adjust the angle of the illumination direction and one that cannot adjust the angle. The one that can adjust the angle is one in which a lamp housing a light source is rotatably supported by a shaft. It is general (eg, Japanese Utility Model Laid-Open No. 62-191113).

[0003]

However, in the above-mentioned conventional lighting device, even if the angle of the lighting device is adjustable, if it is attached to a high ceiling or a wall surface, it is not suitable for children and short bodies. Inaccessible for patients with disabilities,
There was a problem that the lighting direction could not be changed freely. In particular, when a reading light is installed on the ceiling of a patient's room for a plurality of patients, it is desired that the angle can be freely adjusted in a sleeping state without physically burdening the patients. Further, the ceiling lighting device disclosed in the above publication has a problem in that it has a bad external appearance because it is directly attached to the ceiling surface and is unsightly when covered with dust.

Therefore, the present invention has been made in view of the above-mentioned problems and demands of the related art. The object of the present invention is to freely change the illumination angle without directly touching it with a hand. An object of the present invention is to provide a lighting device having a good appearance.

[0005]

In order to achieve the above object, the present invention provides a lamp body and a first rotatably holding the lamp body.
A holding member; and a second holding member that holds the first holding member rotatably in a direction orthogonal to the turning direction of the lamp body,
It has first and second driving devices which are respectively attached to the first and second holding members and which rotate the lamp body and the first holding member in directions orthogonal to each other, and an opening portion where a lens of the lamp body faces. Then, the second holding member is disposed in the ceiling or the wall surface, and the second holding member is detachably attached to the fixing member.

[0006]

In the present invention, the first holding member rotatably holds the lamp body. The second holding member holds the first holding member rotatably in a direction orthogonal to the turning direction of the lamp body. The first and second drive devices rotate the lamp body and the first holding member, respectively. Thereby, the illumination angle of the lamp body can be freely changed.
The fixing member is incorporated into the ceiling or wall surface together with the first and second holding members to prevent the device itself from protruding from the ceiling or wall surface.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A lighting device according to the present invention will be described below in detail with reference to the embodiments shown in the drawings. FIG. 1 is a partially broken exploded perspective view showing an embodiment in which the present invention is applied to a reading light,
2 is an external perspective view of the reading light and the transmitter, FIG. 3 is a side sectional view of the reading light, FIG. 4 is a front view of the reading light, FIG. 5 is a rear view of the reading light, and FIG. 6 is a lamp unit. FIG. In these drawings, the reading lamp, which is generally designated by reference numeral 1, includes a lamp unit 2 and a fixing member 5 which is incorporated into the ceiling through an opening 4 formed in the ceiling plate 3 together with the lamp unit 2.

The lamp unit 2 is a box type having an open front surface, and has a light source 6 disposed therein, and a lamp body 8 whose front opening is hermetically closed by a lens 7. The lamp body 8 is a first lamp body. The shaft 10 is integrally provided and is rotatably arranged on the first holding member 9. The first holding member 9 is formed into a substantially U shape by bending a metal plate, and the first and second frame members 9a and 9a surround the periphery of the lamp body 8 with concave portions facing each other.
9b, which is also formed in a U-shape and is located at the rear of the lamp body 8, the ends of the pair of frame members 9a, 9b are joined to each other by spot welding or the like and the shaft of the first shaft 10 It is formed in a box shape with the third frame member 9c that axially supports the end,
The lamp body 8 is housed so as to be rotatable around the first shaft 10 (directions A and B in FIG. 1). The first holding member 9 has a second shaft 12 orthogonal to the first shaft 10 and is rotatably arranged on the second holding member 11. The second holding member 11 is formed into a substantially crank shape by bending a metal plate, and thus has a U-shaped main body portion 11a.
And the fixed portions 1 provided at both ends of the main body 11a.
1b, the first holding member 9 is housed in the main body 11a so as to be rotatable around the second shaft 12 (directions C and D in FIG. 1). At the center of the back surface of the main body portion 11a, a fitting cylinder portion 13 having an appropriate projecting dimension is provided by projection or the like and a pair of locking pieces 14 are fixed. As shown in FIG. 1, the locking pieces 14 are plate members that are long in the longitudinal direction of the second holding member 11, and are fixed to opposite diagonal corners of the back surface of the main body 11a. The outer end is fixed to the back surface of the main body 11a by spot welding or the like, and the inner end is fixed to the main body 1a.
1a It is bent in a hook shape to the rear side so as to be lifted up from the back surface by about the plate thickness. The distance E between the outer ends of the pair of locking pieces 14 is set to be substantially equal to the plate width of the rear plate 5b described later. A long hole 15 that is long in the direction orthogonal to the second shaft 12 is formed in the center of the fixed portion 11b, and a hook-shaped (L-shaped) engagement piece 16 is cut on the rear surface side of the second holding member 11. Raised and formed. On one side surface of the first and second holding members 9 and 11, the lamp body 8 and the first holding member 9 are independently rotated around the first and second shafts 10 and 12, respectively. First and second motors 1 as driving devices for the second
7 and 18 are fixed by a plurality of setscrews 19 and 20 (FIGS. 3 and 6), respectively. The first and second motors 17 and 18 rotate the output shaft to rotate the first and second shafts 1 and 2.
It has a reduction gear mechanism for transmitting reduction to 0 and 12 and an appropriate overload protection mechanism such as a friction clutch (neither shown) for enabling manual operation. And
The lamp unit 2 configured as described above is detachably incorporated in the fixing member 5.

The fixing member 5 is formed into a rectangular frame by punching a metal plate or the like and has a frame plate 5a having an opening 22 smaller than the opening 4 of the ceiling plate 3, and a bending process of the metal plate. A rear plate 5b which is formed in a U shape and is located behind the frame plate 5a, and joint pieces 23 integrally provided at both ends of the rear plate 5b are a pair of plate portions facing each other of the frame plate 5a. It projects from the notch 25 formed in the center of 24a, 24b to the front side and is fixed to the surface of each plate 24a, 24b by spot welding or the like. Frame plate 5a
The long hole 26 is provided at the center of the other pair of plate portions 24c and 24d.
Is formed corresponding to the elongated hole 15 of the second holding member 11, and a stopper 27 is formed on the inner edge of each of the plate portions 24c and 24d so as to correspond to the engaging piece 16 of the second holding member 11. Is cut and raised on the back side. Rear plate 5b
A small hole 28 is formed in the center of the back surface portion 5b-1 corresponding to the fitting cylinder portion 13 of the second holding member 11. Further, guide grooves 29 extending in the front-rear direction are formed in both side plate portions 5b-2 of the rear plate 5b, and the ceiling plate 3 is formed in the guide grooves 29 as shown in FIG. A locking member 30 that holds the fixing member 5 in the ceiling by sandwiching it together with 5a is slidably and detachably attached.

When the lamp unit 2 is attached to the fixing member 5 having the above structure, first, the fixing member 5 is attached.
Is inserted into the opening portion 4 of the ceiling, and the ceiling plate 3 is attached so as to be sandwiched by the four corners of the locking member 30 and the fixing member 5. Next, the lamp unit 2 is inserted into the opening 22 of the fixing member 5 from the front in a state where the second holding member 11 is tilted approximately 45 ° in the horizontal plane with respect to the holding member 5 as shown by the dashed line in FIG. The fixing portion 11b of the second holding member 11 is brought into close contact with the front surface of the frame plate 5a, while the fitting cylinder portion 13 is attached to the small hole 28 of the rear plate 5b.
To fit. At this time, the back surface portion 5b-1 of the rear plate 5b is located between the pair of locking pieces 14 and is in close contact with the back surface of the fixed portion 11a. In this state, when the lamp unit 2 is rotated about the fitting cylinder portion 13 in the counterclockwise direction in FIG. 1 by about 45 °, the plate portions 24c and 24d of the frame body 5a are moved to the second holding member 11.
Is inserted and sandwiched between the fixed portion 11b and the engaging piece 16 (FIGS. 5 and 6), and the rear portion 5b-1 of the rear plate 5b.
Is inserted and sandwiched between the rear surface of the main body portion 11a of the second holding member 11 and the pair of locking pieces 14, and the turning side edge of the engaging piece 16 contacts the stopper 27, whereby the lamp unit 2
The attachment of the to the fixing member 5 is completed. Therefore, the lamp unit 2 can be assembled with one touch without using a set screw or the like. In this assembled state,
The long hole 15 of the second holding member 11 and the long hole 26 of the fixing member 5 coincide with each other. And finally, the decorative plate 34 (Fig. 2,
3) is attached to the front surface of the fixing member 5. This veneer 3
4 can be fixed by inserting and engaging a substantially L-shaped locking member 35 provided on the back surface side into the elongated holes 15 and 26. The locking member 35 can confirm the positional deviation between the fixed member 5 and the second holding member 11, and can prevent the second holding member 11 from coming off the fixed member 5.

In FIGS. 1 and 2, reference numeral 40 denotes a transmitter 40 for driving and controlling the first and second motors 17 and 18 by remote operation. The transmitter 40 is an infrared light emitter and internally emits light. A diode, a power supply, and a transmission circuit are incorporated, and a power switch 41 and a plurality of operation buttons 42 for instructing the rotating direction of the lamp body 8 and the first holding member 9 are arranged on the operation surface. On the other hand, the decorative plate 34 has a receiver 44 that receives infrared rays emitted from the transmitter 40.
Is provided. In this case, in order to prevent malfunction due to simple infrared rays (fire of a lighter or the like), transmission / reception is performed using, for example, an 8-bit code, and the receiving side recognizes the 8-bit code and then transmits an output signal to the control unit 46. Is configured. Then, the control unit 46 controls the receiving unit 4
Based on the output signal from the first and second motors 1
7 and 18 are drive-controlled.

In the reading lamp 1 having such a structure, when the first and second motors 17 and 18 are drive-controlled by remote control by the transmitter 40, the lamp body 8 and the first holding member 9 are orthogonal to each other. It can be freely rotated. Therefore, the irradiation position of the reading light 1 can be freely changed without directly rotating the lamp body 8 and the first holding member 9 by hand. Further, in the reading light 1, since the first and second motors 17 and 18 are provided with the overload protection mechanism, it is possible to rotate the lamp body 8 and the first holding member 9 by manual operation. It is possible to prevent damage to the two motors 17, 18 and the like. Further, since the reading lamp 1 is built in the ceiling, the appearance is also good.

FIGS. 7 and 8 are a front view and a side view of a lamp unit showing another embodiment of the present invention. In this embodiment, the first and second motors 17 and 18 are installed and fixed on the back surfaces (upper surfaces) of the first and second holding members 9 and 11, and
The second link mechanism 50, 51 is configured to transmit the rotation of each motor to the first and second shafts 10, 12. The first link mechanism 50 includes a first rotation lever 52 fixed to the first shaft 10 and an output shaft 5 of the first motor 17.
It is composed of a second turning lever 54 fixed to No. 3 and a link 55 connecting the first and second turning levers 52, 54. Similarly to the first link mechanism 50, the second link mechanism 51 also includes a first rotation lever 56 fixed to the second shaft 12,
The second rotation lever 5 fixed to the output shaft of the second motor 18.
7 and a link 58 that connects both levers 56 and 57. Other configurations are the same as those in the above embodiment. Even in such a configuration, the first and second motors 1
It is possible to freely change the irradiation direction of the reading lamp by driving control and manual operation of 7 and 18 by remote control.

Although the present invention has been described for the case where it is applied to a reading lamp, it is not limited to this, and it is needless to say that the present invention can be applied to an illumination device used for various purposes. Further, in the above embodiment, the first and second motors 17 and 18 are driven and controlled by remote control by the transmitter 40. However, the present invention is not limited to this, and a switch is incorporated in the motor circuit to turn the switch on and off. You may make it drive-control a motor by operation.

[0015]

As described above, in the illuminating device according to the present invention, the lamp body and the first holding member are rotatably supported about two axes which are orthogonal to each other, and the first and second Since the lamp body and the first holding member are independently rotated by the driving device of the above, even if the lamp is installed in a high place such as a ceiling that is out of reach, the irradiation direction does not need to be directly rotated by hand. Can be freely and surely changed, and is suitable for use as a reading light in hospital rooms and the like. Further, since the present invention is incorporated in the ceiling or the wall surface, it has a great effect in that no protrusion is formed and the appearance is good.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment when the present invention is applied to a reading light.

FIG. 2 is an external perspective view of the reading light and the transmitter.

FIG. 3 is a side sectional view of the reading light.

FIG. 4 is a front view of the reading light.

FIG. 5 is a rear view of the reading light.

FIG. 6 is a side sectional view of a lamp unit.

FIG. 7 is a front view of a lamp unit showing another embodiment of the present invention.

FIG. 8 is a side view of the lamp unit.

[Explanation of symbols]

 1 Reading Light 2 Lamp Unit 3 Ceiling Board 4 Opening 5 Fixing Member 6 Light Source 7 Lens 8 Lamp 9 First Holding Member 10 First Shaft 11 Second Holding Member 12 Second Shaft 17 First Motor 18 Second Motor 22 opening 40 transmitter 44 receiver 46 controller

Claims (1)

[Claims] 1. A lamp body, a first holding member for rotatably holding the lamp body, and a rotatably holding member for holding the first holder member in a direction orthogonal to a rotating direction of the lamp body. A second holding member, first and second driving devices attached to the first and second holding members for rotating the lamp body and the first holding member in directions orthogonal to each other, and a lens of the lamp body An illumination device, comprising: a fixing member that has an opening facing the above and is disposed in a ceiling or a wall surface and to which the second holding member is detachably attached.