JP2008204695A - Illumination device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an illumination device capable of achieving the thinning of an illuminator portion and stabilizing balance of the device. <P>SOLUTION: A lighting device 40 and the illuminator 20 are disposed separately, thereby achieving the thinning of the illuminator while stabilizing balance of the device, which provides the reduction in size and weight and improves the appearance. The illuminator 20 has not a lighting device 40, thereby dispensing with a balancer which is considered to be needed taking the weight of the lighting device 40 into account, which provides the weight saving and reduces the component parts with the simplified assembling process, and reduces the manufacturing cost. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a lighting device using a fluorescent lamp.

  Conventionally, in a lighting device 110 of the type suspended from the ceiling using a ring-shaped fluorescent lamp 111 as shown in FIGS. 5A to 5C, the lighting device 112 and the fluorescent lamp 111 are on the center side of the fluorescent lamp 111. Generally, the lighting device 112 is positioned in the stacking direction (vertical direction in FIG. 5B). In addition, when mounted on the ceiling via the mounting portion 113, it is difficult to maintain the balance of the appliance according to the arrangement of the heavy lighting device 112, and in some cases, a balancer 114 that is a weight of another part is required. Become. For this reason, with respect to the radial direction, there is a problem in that the overall size is determined by the size of the fluorescent lamp 111 and the overall thickness is increased, which impairs the appearance of the illumination device 110.

Therefore, in order to reduce the size and thickness, there is known an illuminating device in which a lighting device is separated from a fluorescent lamp and directly attached to a mounting surface (see, for example, Patent Document 1).
In the lighting device described in Patent Document 1, a lighting device is directly attached to a ceiling or a wall surface, and a lighting fixture body including a lamp is provided apart from the lighting device.
JP 2006-12484 A

  Since the lighting device described above has a lighting device directly attached to the mounting surface at a distance from a lighting fixture body including a lamp, the thickness of the lighting fixture body can be determined only by the thickness of the lamp and can be thinned. However, the lighting device directly attached to the mounting surface comes out from the center of the ring-shaped fluorescent lamp, and there is a problem that the entire lighting device is enlarged accordingly.

  The present invention has been made to solve the conventional problems, and provides an illuminating device capable of reducing the thickness of the lamp part and stabilizing the fixture balance without causing an increase in the size of the entire illuminating device. The purpose is to do.

  The illumination device of the present invention includes a luminous tube in which a tubular discharge path is spirally swung along the same plane starting from the longitudinal center, a pair of caps provided at both ends of the luminous tube, A fluorescent lamp comprising a lamp pin provided on the base and extending along a plane orthogonal to a pivot axis of the arc tube, and a lighting device for supplying electric power to the fluorescent lamp, The lighting device has a configuration in which the lighting device is provided separately from the lamp to which the fluorescent lamp is mounted.

  With this configuration, since the lighting device is provided separately from the lamp, the lamp can be made thin while stabilizing the balance, reducing the size and weight, and improving the appearance. Can do. In addition, since the lighting device is not provided in the lamp, the balancer required in consideration of the weight of the lighting device is not necessary, and the weight can be reduced, and the assembly process can be reduced by reducing the number of components. It can be simplified and the manufacturing cost can be reduced.

  Further, in the lighting device of the present invention, the lighting device is provided on the side opposite to the irradiation surface in the lamp, and the longitudinal direction of the lighting device is arranged along a line orthogonal to the irradiation surface. It has the composition which is.

  With this configuration, since the lighting device is provided on the side opposite to the irradiation surface of the lamp, the lighting device and the lamp can be integrally attached and detached. Moreover, since the longitudinal direction of the lighting device is provided along a line orthogonal to the irradiation surface, the presence of the lighting device can be diluted, and the appearance of the lamp can be improved.

  Furthermore, the lighting device of the present invention has a connecting member interposed between the lighting device and the lamp, and the side view width dimension of the connecting member is smaller than the side view width size of the lighting device. have.

  With this configuration, since the lighting device and the lamp are connected via a connecting member that is smaller than the side view width dimension of the lighting device, the lighting device and the lamp are separated, and the presence of the lighting device is diluted. And the appearance of the lamp can be improved.

  Furthermore, the lighting device of the present invention has a configuration in which an input unit is provided at one longitudinal end of the lighting device and an output unit is provided at the other longitudinal end of the lighting device. .

  With this configuration, since the lamp line and the power supply line are close to each other and do not negotiate, the noise output can be reduced.

  In the present invention, since the lighting device is provided separately from the lamp, the lamp can be thinned while stabilizing the balance, and the appearance can be improved while reducing the size and weight. Can do. In addition, since the lighting device is not provided in the lamp, the balancer required in consideration of the weight of the lighting device is not necessary, and the weight can be reduced, and the assembly process can be reduced by reducing the number of components. It is possible to provide an illuminating device that can be simplified and can reduce the manufacturing cost.

Hereinafter, an illumination device according to an embodiment of the present invention will be described with reference to the drawings.
1 is a cross-sectional front view showing a lighting device according to an embodiment of the present invention, FIG. 2A is a plan view seen from the direction A in FIG. 1, and FIG. FIG. 2 (C) is a cross-sectional view taken along the line CC in FIG. 1, FIG. 3 (A) is a plan view of the fluorescent lamp, and FIG. FIG. 4A is a perspective view showing a socket before mounting (when mounted) a fluorescent lamp, and FIG. 4B is a perspective view showing a socket after mounting the fluorescent lamp.

  As shown in FIG. 1, an illumination device 10 according to an embodiment of the present invention includes a fluorescent lamp 30 and a lighting device 40 that supplies power to the fluorescent lamp 30, and the lighting device 40 is attached to the fluorescent lamp 30. The lamp 20 is provided separately.

  That is, the lighting device 40 is disposed on the opposite side (upper side in FIG. 1) of the lamp 20 from the irradiation surface 21, and the longitudinal direction (vertical direction in FIG. 1) of the lighting device 40 is orthogonal to the irradiation surface 21. It arrange | positions along the line (namely, vertical line) to do. A connecting member 50 is provided between the lamp 20 and the lighting device 40, and the lamp 20 is suspended from the lighting device 40 via the connecting member 50.

  Therefore, as shown in FIG. 1, in the lighting device 10, for example, the lighting device 40 is suspended by hanging the hanging wire 14 downward from the mounting device 13 attached to the ceiling 11, and is placed below the lighting device 40. Suspends the lamp 20 via the connecting member 50. The power supply line 15 connected to the terminal block 13a of the mounting device 13 is hung together with the suspension wire 14 and connected to the input unit 43 of the lighting device 40, and the terminal block 13a of the mounting device 13 is wired to the ceiling 11. The power is supplied to the lighting device 40 by being connected to the power line 12.

  As shown in FIG. 1 and FIG. 2 (A), the attachment device 13 is provided with a terminal block 13a in an attachment fitting 13c disposed in an internal space 13d of a bottomed cylindrical attachment portion cover 13b. The mounting bracket 13c is attached to the ceiling with a screw, and a hanging height adjuster 16 is attached to the center thereof. The hanging height adjuster 16 can adjust the hanging height of the lamp 20 by changing the allowance of the hanging wire 14 from the attachment device 13. Further, the power supply line 15 is wired downward from a hole (not shown) provided in the attachment portion cover 13b.

  As shown in FIGS. 1 and 2B, the lighting device 40 has a rounded rectangular box-shaped case 41, and the suspension wire 14 penetrates the top plate 41a and enters the inside of the case 41. It is connected to the provided wire attachment portion 42. Further, the power supply line 15 wired along the hanging wire 14 is connected to the input unit 43 provided on the upper part of the lighting device 40, and supplies power to the lighting device 40. An output unit 44 is provided at the lower part inside the lighting device 40 and a lamp line (not shown) is connected to supply power to the fluorescent lamp 30. For this reason, since the lamp line and the power supply line 15 are not close to each other, the noise output can be reduced.

  A pipe-shaped connecting member 50 is attached to the center of the lower surface of the bottom plate 41b of the lighting device 40 downward. The cross-sectional shape of the connecting member 50 can be a round shape, a square shape, a regular polygon shape, or the like. The connecting member 50 has a strength to suspend the lamp 20 from the lighting device 40, and has a space for wiring a lamp wire (not shown) for supplying power to the fluorescent lamp 30 therein. Further, the width dimension and the outer diameter viewed from the side surface of the connecting member 50 are set so as to be smaller than the side view width dimension of the lighting device 40 as well as the lamp 20.

  The lamp 20 has a substantially circular thin box shape, and a disk-shaped lamp body 51 made of aluminum die-casting is integrally provided on the lower end surface of the connecting member 50. A plurality of mounting holes 52 are provided on the outer peripheral edge of the lamp body 51. The mounting holes 52 include a round hole portion 52a through which the head of the screw 23 for mounting the lower cover 27b of the lamp 20 can pass, and a screw portion. It has a long hole 52b having a width that passes through but cannot pass through the screw head, so that the workability when screwing is improved.

  As shown in FIGS. 1 and 2C, the lamp 20 has a bottomed cylindrical upper cover 27a mounted on a lamp body 51 with the opening facing downward. The upper cover 27a is made of, for example, polycarbonate resin, has translucency, and emits light from the fluorescent lamp 30 sideways and upward. A reflector 26 made of, for example, a white-coated steel plate is attached to the lower surface of the lamp body 51, and a pair of lamp support springs 28, 28 and a pair of sockets 29, 29 are close to the lower surface of the reflector 26. It is attached downward.

  Inside the upper cover 27a, there is a semi-transparent bottomed cylindrical body cover 25 made of, for example, polycarbonate resin having an upper opening, and a semi-transparent lower cover 27b made of, for example, acrylic resin covering the opening of the upper cover 27a. A plurality of mounting blocks 24 provided on the inner surface of the main body cover 25 are collectively attached by screws 25a. Screws 23 are respectively provided at the upper ends of the mounting blocks 24. By passing the heads of the screws 23 through the mounting holes 52, the main body cover 25 and the lower cover 27b are connected to the lamp body 51 when the fluorescent lamp 30 is replaced. It is removable. The main body cover 25 has a size including the lamp main body 51 inside, and includes the fluorescent lamp 30 as described later. The presence of the main body cover 25 allows the lamp of the fluorescent lamp 30 to be attached to the lower cover 27b. The image is hard to appear. The main body cover 25 and the lower cover 27b may be integrated. Further, the lower cover 27b may be formed of a non-translucent material.

  As shown in FIGS. 3A and 3B, the fluorescent lamp 30 includes an arc tube 31 in which a tubular discharge path is spirally swung along the same plane starting from the longitudinal center portion 31a, and the light emission. A pair of caps 32 and 32 provided at both ends of the tube 31, and a pair of lamp pins 33 and 33 provided on each cap 32 and extending along a plane orthogonal to the pivot axis of the arc tube 31. I have. Accordingly, the pair of bases 32 and 32 and the pair of lamp pins 33 and 33 are located at point-symmetrical positions with respect to the central portion 31 a of the arc tube 31. The central portion 31a of the arc tube 31 has a larger diameter than the other portions and is the coldest point. In addition, the pair of lamp pins 33 and 33 are provided vertically with the same vertical line shape.

  As shown in FIGS. 3A and 3B, the pair of bases 32, 32 are preferably connected by a bridge 34. Thereby, the pitch (arrangement) of the lamp pins 33 can be stabilized and the strength of the fluorescent lamp 30 can be improved. Further, on the bridge 34, it is desirable to provide a filler 35 between the base 32 and the adjacent arc tubes 31 or between the adjacent arc tubes 31. Thereby, the intensity | strength of the arc_tube | light_emitting_tube 31 can be increased and the heat dissipation of the lamp cap 32 which generates heat can be achieved.

  As shown in FIGS. 4A and 4B, the socket 29 includes a base portion 29a attached to the reflecting plate 26, a receiver 29b having a terminal for supplying power to the fluorescent lamp 30 via the lamp pin 33, and It has a holder portion 29c that is provided on the base portion 29 (below when suspended) and holds the receiving metal 29b rotatably at a predetermined angle. The receiving metal 29b is provided with a slit 29d and a space 29e in the center of the slit 29d, and a terminal 29f that rotates together with the receiving metal 29b is provided on the inner surface of the space 29e. The size of the space 29e is such a size that the pair of lamp pins 33 and 33 can be rotatably included. Note that a lever 29g is provided on the receiving metal 29b.

Next, attachment / detachment of the fluorescent lamp 30 will be described.
In FIG. 4, for convenience of explanation, a state where the irradiation surface 21 faces upward will be described. Therefore, when using the illuminating device 10 by suspending, the vertical positional relationship is reversed.

  As shown in FIG. 4A, the receiver 29b is rotated so that the slit 29d of the receiver 29b of the pair of sockets 29 and 29 is positioned at the uppermost end. Usually, the receiver 29b is in this position before the fluorescent lamp 30 is attached, that is, after the old fluorescent lamp is removed. Further, when the fluorescent lamp 30 is leveled, the pair of lamp pins 33, 33 provided on the pair of caps 32, 32 are positioned vertically above and below and are the same as the direction of the slit 29d.

In this state, the lamp pins 33 and 33 are inserted from the slit 29d of the receiving metal 29b to the space 29e (arrow I in FIG. 4A). At this time, the arc tube 31 of the fluorescent lamp 30 is held by the lamp support spring 28 provided in the vicinity of each socket 29. Thereby, it is possible to prevent the fluorescent lamp 30 from dropping from the socket 29 when the fluorescent lamp 30 is attached. Next, the lever 29g is moved (arrow II in FIG. 4A) to rotate the base 29b. As a result, as shown in FIG. 4B, the terminal 29f of the receiver 29b contacts and is electrically connected to both the lamp pins 33, 33, and the slit 29d rotates, so that the upper portion of the lamp pin 33 is covered. Will be. Thereby, it is possible to completely prevent the lamp pin 33 from falling off the socket 29.
The fluorescent lamp 30 is removed by reversing the fluorescent lamp 30 mounting procedure described above.

  As described above, according to the illuminating device 10 of the embodiment of the present invention, the lighting device 40 is provided separately from the lamp 20, so that the lamp 20 is thinned while stabilizing the balance. It is possible to reduce the size and weight and improve the appearance. Further, since the lighting device 40 is not provided in the lamp 20, the balancer required in consideration of the weight of the lighting device 10 is not necessary, and the weight can be reduced and the number of components can be reduced. The assembly process can be simplified, and the manufacturing cost can be reduced.

  Moreover, since the lighting device 40 is provided on the opposite side to the irradiation surface 21 in the lamp 20, the lighting device 40 and the lamp 20 can be attached and detached integrally. Further, since the lighting device 40 is provided so that the longitudinal direction thereof is along a line perpendicular to the irradiation surface 21, the presence of the lighting device 40 can be diluted, and the appearance of the lamp 20 can be improved.

  Moreover, since the lighting device 40 and the lamp 20 are connected via the connecting member 50 smaller than the side view width dimension of the lamp 20, the lighting device 40 and the lamp 20 are separated, and the presence of the lighting device 40 is detected. Can be diluted, and the appearance of the lamp 20 can be improved.

  In addition, the illuminating device 10 of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible. For example, as shown in FIG. 2C, a circular upper cover 27a and a lower cover 27b are illustrated, but other shapes such as a square and a regular polygon may be used.

  As described above, since the lighting device according to the present invention is provided with the lighting device separately from the lamp, the lamp can be made thin while stabilizing the balance, and the size and weight can be reduced. , Can improve the appearance. In addition, since the lighting device is not provided in the lamp, the balancer required in consideration of the weight of the lighting device is not necessary, and the weight can be reduced, and the assembly process can be reduced by reducing the number of components. It can be simplified, and the manufacturing cost can be reduced, which is useful as an illumination device using a fluorescent lamp.

It is a cross-sectional front view which shows the illuminating device of embodiment which concerns on this invention. 1A is a plan view seen from the direction A in FIG. 1, FIG. 1B is a plan view seen from the direction B in FIG. 1, and FIG. 1C is a cross-sectional view taken along the line CC in FIG. (A) is the top view of a fluorescent lamp, (B) is the side view seen from B direction in (A). (A) is a perspective view which shows the socket before fluorescent lamp mounting | wearing (at the time of mounting | wearing), (B) is a perspective view which shows the socket after fluorescent lamp mounting | wearing. (A) is a top view which shows the conventional illuminating device, (B) is sectional drawing which shows the conventional illuminating device, (C) is a bottom view which shows the conventional illuminating device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Lighting fixture 20 Lamp 21 Irradiation surface 30 Fluorescent lamp 31 Light-emitting tube 31a Center part 32 Base 33 Lamp pin 40 Lighting device 43 Input part 44 Output part 50 Connecting member

Claims (4)

An arc tube in which a tubular discharge path is spirally swung along the same plane starting from the longitudinal center,
A pair of caps respectively provided at both ends of the arc tube;
A fluorescent lamp provided with a lamp pin provided on the base and extending along a plane perpendicular to the pivot axis of the arc tube;
A lighting device for supplying power to the fluorescent lamp;
A lighting fixture having
The lighting device is characterized in that the lighting device is provided separately from a lamp to which the fluorescent lamp is mounted.   The lighting device is provided on a side opposite to an irradiation surface of the lamp, and the longitudinal direction of the lighting device is arranged along a line orthogonal to the irradiation surface. The lighting device described in 1. Having a connecting member interposed between the lighting device and the lamp,
The lighting device according to claim 2, wherein a side view width dimension of the connecting member is smaller than a side view width dimension of the lighting device.   The input part is provided in the longitudinal direction one end part of the said lighting device, and the output part is provided in the longitudinal direction other end part of the said lighting device, The Claims 1-3 characterized by the above-mentioned. Lighting device.

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