JP2014082045A - Led lighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive LED lighting device that is easily attached in a stable posture to an existing fluorescent lamp lighting fixture from which a circular fluorescent lamp is detached from a viewpoint of ecology without replacing a main body of the fluorescent lamp lighting fixture, and can light up with sufficient lightness.SOLUTION: An LED lighting device 1 is used while attached to an existing fluorescent lamp lighting fixture 10 having support parts 11 supporting the inner peripheral part or outer peripheral part of a circular fluorescent lamp at two points or three points, and includes a disk-like substrate 2 formed to be larger in diameter than the inner peripheral part of the circular fluorescent lamp, through holes 4 formed at the positions of the two points and three points at equal intervals on a circumference having a diameter corresponding to the circle size of the circular fluorescent lamp and penetrating the substrate 2, and a plurality of LED light emission members 3 arranged on a top surface 2a of the substrate 2 except at the positions where the through holes 4 are formed.

Description

  The present invention relates to an LED lighting device for use in an existing fluorescent lamp lighting fixture.

  In recent years, LED lighting fixtures have been widely used. Since LED lighting fixtures use LEDs (Light Emitting Diodes) as light sources, they have the advantage of lower power consumption and longer life compared to conventional fluorescent lighting fixtures. In this type of LED lighting fixture, since the LED itself has a long life, many LED lighting members and the LED lighting fixture main body are inseparably integrated.

  On the other hand, in recent years, an LED module in which an LED module mounted with an LED chip can be removed from the main body of the LED lighting apparatus and replaced is proposed (for example, Patent Document 1). In Patent Document 1, a plate-like holding portion is provided at the tip of a support column that is suspended from an LED lighting apparatus body to form a module holding member, and the back surface of the LED module is pressed separately from the module holding portion. The spring is provided in the LED lighting apparatus main body. Further, the LED module is provided with a dedicated engaging portion that engages with the module holding member of the LED lighting apparatus main body. When the LED module is attached to the LED lighting apparatus body, the back side of the LED module is pressed against a spring provided on the LED lighting apparatus body, and the engaging portion is engaged with the module holding member. The LED lighting fixture main body can be attached in a stable posture by the biasing force of the spring.

JP 2003-68129 A

  However, although the LED module as described above can be attached to the dedicated LED lighting fixture main body, it is attached to the main body of a fluorescent lighting fixture that is mounted with a conventional annular fluorescent lamp. I can't. Therefore, when using the LED module as in Patent Document 1, the existing fluorescent lamp luminaire cannot be used as it is, and it is necessary to replace the luminaire main body with a dedicated LED luminaire itself. Is not preferable from the viewpoint of ecology in recent years. On the other hand, it is possible to use an LED module by removing an annular fluorescent lamp from an existing fluorescent lamp luminaire and separately attaching a dedicated module holding member or spring as shown in Patent Document 1 to the luminaire main body. However, even in this case, since the prior construction for the existing fluorescent lamp luminaire is required separately, the introduction cost increases.

  For these reasons, in recent years, there has been a growing need for an LED illumination device that can be used as it is by attaching it to a fluorescent lamp illuminator that attaches and illuminates an existing annular fluorescent lamp. Therefore, in order to make it possible to attach the LED lighting device to an existing fluorescent lamp lighting fixture, for example, it is conceivable that the outer shape of the LED lighting device itself is formed in an annular shape similar to that of a conventional annular fluorescent lamp. If the LED lighting device is formed in an annular shape that is the same shape as a conventional annular fluorescent lamp, the LED lighting device can be attached to an existing fluorescent lamp lighting fixture in the same manner as the annular fluorescent lamp. The LED lighting device can be used without performing construction in advance.

  On the other hand, however, if the LED illumination device is formed in an annular shape that is the same shape as the annular fluorescent lamp, the LED chip mounting area is reduced, and there is a problem that illumination cannot be performed with sufficient brightness. If the LED chip is installed inside the fluorescent lamp glass tube, light emitted from the LED chip is reflected inside the glass tube and is not emitted 100% outside the glass tube. This also reduces the illuminance. It becomes a factor. In addition, conventional annular fluorescent lamps have different annular sizes depending on the wattage, and there are standard tube types and slim tube types with regard to tube diameter sizes. In the case of forming an annular shape that is the same shape as a fluorescent lamp, it is necessary to prepare in advance many types of LED illumination devices that have the same shape as those various types of annular fluorescent lamps. Therefore, the manufacturing cost for manufacturing these various types of LED lighting devices increases, and there is a problem that the LED lighting devices cannot be provided at a low cost.

  In order to solve the above-mentioned conventional problems, the present invention can be easily and stably performed from the viewpoint of ecology without performing construction in advance on an existing fluorescent lamp illuminator from which an annular fluorescent lamp has been removed. It is an object of the present invention to provide an inexpensive LED lighting device that can be mounted in the above-described posture and can be illuminated with sufficient brightness.

  In order to achieve the above-mentioned object, the present invention adopts as a solution means an existing fluorescent lamp illuminating device provided with a support portion that supports two or three points of the inner peripheral portion or the outer peripheral portion of the annular fluorescent lamp. An LED lighting device for use by being attached to a disk-shaped substrate having a diameter larger than the inner peripheral portion of the annular fluorescent lamp, and the annular fluorescent lamp from the center of the substrate Are formed at two and three positions at equal intervals on the circumference of the radius corresponding to the size of the ring, and the through hole penetrating the substrate and the through hole are formed on the surface of the substrate. 2 or 3 formed on the board surface of the substrate with respect to the fluorescent lamp illuminator in a state in which the annular fluorescent lamp is removed. It can be mounted by engaging the support portion with the through hole at the point. In the configuration, wherein the door.

  Further, in the above configuration, the through hole has a reference position at one point on the circumference of a radius corresponding to the ring size of the annular fluorescent lamp, and the reference position and 1 rotated 180 degrees from the reference position. It is preferable to adopt a configuration characterized in that it is formed at each of the point positions and the two point positions rotated by 120 degrees from the reference position.

  In the above configuration, it is more preferable that the through hole is formed on a plurality of circumferences having radii corresponding to each of a plurality of types of ring sizes.

  Further, in the above configuration, it is more preferable to employ a configuration in which the LED light emitting member is disposed at a position excluding a predetermined range inside or outside in the radial direction of the substrate from the through hole.

  According to the present invention, if an existing fluorescent lamp illuminator supports two or three points of an annular fluorescent lamp, LED lighting is performed without performing construction on the fluorescent lamp luminaire in advance. The device can be easily and stably attached. In addition, the LED illumination device can illuminate with sufficient brightness and can be provided at low cost because of its high versatility.

It is a figure which shows schematic structure of an LED illuminating device. It is a figure explaining the position of the several through-hole formed in the board | substrate of an LED lighting apparatus. It is a figure which shows an example of the attachment aspect of the LED lighting apparatus with respect to a three-point support type fluorescent lamp lighting fixture. It is a figure which shows an example of the state which attached the LED lighting apparatus to the fluorescent lamp lighting fixture of a 3 point | piece support type. It is a figure which shows an example of the attachment aspect of the LED lighting apparatus with respect to a two-point support type fluorescent lamp lighting fixture. It is a figure which shows an example of the state which attached the LED lighting apparatus to the fluorescent lamp lighting fixture of a 2 point | piece support type. It is sectional drawing of the state in which the LED lighting apparatus was attached to the lighting fixture main body. It is a figure for demonstrating the mounting position of a LED light emitting member. It is a figure which shows the other formation pattern of the through-hole provided in the board | substrate of a LED lighting apparatus.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the embodiments described below, members that are common to each other are denoted by the same reference numerals, and redundant descriptions thereof are omitted.

  FIG. 1 is a diagram illustrating a schematic configuration of an LED lighting device 1 according to the present embodiment, in which (a) is a plan view of the LED lighting device 1 and (b) is a perspective view. This LED lighting device 1 is a device that is used by being attached to a fluorescent lamp illuminator that can be mounted with an existing annular fluorescent lamp using a thin disk-shaped substrate 2 formed of a printed circuit board or the like as a base material. . In the LED lighting device 1, a large number of LED light emitting members 3 made of LED chips are arranged on the surface 2 a of the substrate 2. The LED lighting device 1 has a configuration in which a plurality of through holes 4 penetrating the front and back are formed at predetermined positions on the substrate 2, and the plurality of through holes 4 are attached to an existing fluorescent lamp lighting fixture. Become. In the illustrated example, these through holes 4 are formed as circular holes having a diameter of about 10 mm, for example. The LED light emitting member 3 is disposed on the surface 2a of the substrate 2 except for the through hole 4 and the vicinity thereof.

  FIG. 2 is a diagram illustrating the positions of the plurality of through holes 4 formed in the substrate 2 of the LED lighting device 1. As shown in FIG. 2, a plurality of concentric circles C1, C2, C3, and C4 having different radii from the center are set on the substrate 2, and predetermined positions on the circumferences of the respective circles C1, C2, C3, and C4. Four through holes 4 are formed in each. The radii R1, R2, R3, and R4 of the circles C1, C2, C3, and C4 correspond to the radii of the circular fluorescent lamps having different ring sizes (either the inner diameter or the outer diameter). is there. The four through holes 4 formed on the circumferences of the circles C1, C2, C3, and C4 have an arbitrary one point on the circumference as a reference position, the reference position, and 120 degrees from the reference position. It is formed at four locations, that is, two rotated positions and one point rotated 180 degrees from the reference position.

  For example, taking the circle C1 as an example, when a point PA1 on the circumference of the radius R1 is set as the reference position, the first position PA1 that is the reference position and the first position PA1 rotated 120 degrees from the reference position. The through holes 4 are formed at four points: a second position PB1, a third position PC1 rotated 240 degrees from the reference position, and a fourth position PD1 rotated 180 degrees from the reference position. The four through-holes 4 formed on the circumferences of the other circles C2, C3, and C4 are the same, but these reference positions PA2, PA3, and PA4 are the same as the reference position PA1 and the substrate 2 of the circle C1. It is set on a straight line connecting the center of. Therefore, the four through holes 4 provided on the circumference of each of the circles C1, C2, C3, and C4 are formed so as to be aligned in the radial direction of the substrate 2, respectively.

  Referring to FIG. 2, the reference positions PA1, PA2, PA3, and PA4 set on the circumference of each of the circles C1, C2, C3, and C4 are aligned in the radial direction of the substrate 2; , PA 2, PA 3, PA 4 are also aligned in the radial direction of the substrate 2. The plurality of through holes 4 formed at the second positions PB1, PB2, PB3, and PB4 rotated by 120 degrees from the reference positions PA1, PA2, PA3, and PA4 are also aligned in the radial direction of the substrate 2, and the reference positions PA1, PA2 A plurality of through holes 4 formed at the third positions PC1, PC2, PC3, PC4 rotated by 240 degrees from PA3, PA4 are also aligned in the radial direction of the substrate 2. Further, the plurality of through holes 4 formed at the fourth positions PD1, PD2, PD3, and PD4 rotated 180 degrees from the reference positions PA1, PA2, PA3, and PA4 are also aligned in the radial direction of the substrate 2.

  The LED lighting device 1 configured as described above can be used by being attached to many types of fluorescent lamp lighting fixtures that can be fitted with existing annular fluorescent lamps. That is, many of the existing fluorescent lamp lighting fixtures have a structure in which two or three points on the inner or outer peripheral part of the annular fluorescent lamp are supported by a leaf spring-like support part formed in a substantially C shape. Therefore, the LED lighting device 1 can be easily attached to an existing fluorescent lamp lighting fixture by mounting these support portions in any of the plurality of through holes 4 described above.

  FIGS. 3 to 6 are diagrams illustrating an example of how the LED lighting device 1 is attached to the existing fluorescent lamp lighting fixture 10. FIGS. 3 and 4 show the manner of attachment to a fluorescent lamp luminaire 10a of the type that supports three points on the inner periphery of the annular fluorescent lamp, and FIGS. 5 and 6 show the inside of the annular fluorescent lamp. The attachment aspect to the fluorescent lamp lighting fixture 10b of the type which supports two points of the peripheral part is shown.

  First, as shown in FIGS. 3 and 5, a fluorescent lamp luminaire 10 to which an annular fluorescent lamp is mounted is detachable from the luminaire main body 12 and a luminaire main body 12 attached to a ceiling or a wall surface. And a cover 13. However, the cover 13 is not necessarily essential. A support unit 11 that supports two or three points of the outer peripheral part or the inner peripheral part of the annular fluorescent lamp is suspended from the luminaire main body 12, and an annular ring having a predetermined annular size is supported by the support part 11. This is a configuration that supports a fluorescent lamp. Such a support part 11 has a C-shaped structure corresponding to the tube size of the annular fluorescent lamp, and is formed in a leaf spring shape by metal or resin. And the support part 11 is the structure supported by holding a part of tube | pipe of a circular fluorescent lamp with a C-shaped curved part. In the example shown in the figure, the support portion 11 supports the inner peripheral portion of the annular fluorescent lamp. However, the support portion 11 may support the outer peripheral portion.

  As shown in FIG. 3, a fluorescent lamp luminaire 10 a that supports an annular fluorescent lamp at three points includes three support portions 11 a, 11 b, and 11 c as the support portion 11 as described above. In the three-point support type fluorescent lamp lighting apparatus 10a, the three support portions 11a, 11b, and 11c are annular fluorescent lamps at substantially equal intervals along the annular direction of the circular fluorescent lamp of a predetermined circular size. Many things that are configured to support are popular. Therefore, in such a popular type, when one point corresponding to a predetermined ring size in the lighting fixture body 12 is set as a reference position, the reference position, a position rotated 120 degrees from the reference position, and a 240 degree rotation Support portions 11a, 11b, and 11c are provided at three positions.

  As shown in FIG. 5, the fluorescent lamp illuminator 10 b that supports the annular fluorescent lamp at two points is provided with two support portions 11 d and 11 e as the support portion 11 as described above. In the two-point support type fluorescent lamp lighting device 10b, the two support portions 11d and 11e support the annular fluorescent lamp at substantially equal intervals along the annular direction of the annular fluorescent lamp of a predetermined annular size. Many of these are popular. Therefore, in such a popular type, when one point corresponding to a predetermined ring size is set as the reference position in the lighting fixture body 12, the reference position and the position rotated 180 degrees from the reference position are in two positions. Support portions 11d and 11e are provided.

  As shown in FIG. 3 or FIG. 5, the LED lighting device 1 of the present embodiment is in a state in which the annular fluorescent lamp is removed from the three-point support type or two-point support type fluorescent lamp lighting fixture 10 as described above. Further, it can be attached to the support portion 11 provided in the luminaire main body 12. However, when the LED lighting device 1 of this embodiment is attached to the fluorescent lamp lighting fixture 10, the ring size of the annular fluorescent lamp removed from the fluorescent lamp lighting fixture 10 (particularly the diameter size of the inner peripheral portion) is larger. It is necessary to use the LED lighting device 1 formed of the large-diameter substrate 2. Further, as shown in FIG. 3 or FIG. 5, when the cover 13 is attached to the luminaire main body 12 after the LED lighting device 1 is attached, the substrate 2 having a smaller diameter than the outer diameter of the cover 13 is used. It is necessary to use the LED lighting device 1 formed.

  For example, when attached to a three-point support type fluorescent lamp lighting fixture 10a, the LED lighting device 1 has a plurality of circles C1, C2, C3, C4 corresponding to a plurality of types of ring sizes as described above. The upper reference positions PA1, PA2, PA3, PA4, the second positions PB1, PB2, PB3, PB4 rotated 120 degrees from the reference positions PA1, PA2, PA3, PA4, and the reference positions PA1, PA2, PA3, A through hole 4 is formed at each of the third positions PC1, PC2, PC3, PC4 rotated by 240 degrees from PA4. Therefore, as shown in FIG. 3, three penetrations corresponding to the positions of the three support portions 11a, 11b, and 11c erected from the lighting fixture body 12 with the annular fluorescent lamp removed from the fluorescent lighting fixture 10a. The LED lighting device 1 can be attached to the fluorescent lamp lighting fixture 10a by selecting the holes 4 and inserting and supporting the support portions 11a, 11b, and 11c into the three through holes 4.

  FIG. 4 is a diagram illustrating an example of a state in which the LED lighting device 1 is attached to the three-point support type fluorescent lamp lighting fixture 10a. As shown in FIG. 4, when the LED lighting device 1 is attached to a three-point support type fluorescent lamp lighting fixture 10a, the LED lighting device 1 is on the circumference of any one of a plurality of circles C1, C2, C3, and C4. The support parts 11a, 11b, and 11c are engaged with the three through-holes 4 provided at the three points rotated by 120 degrees. Therefore, since the LED lighting device 1 is supported so as not to rotate with respect to the lighting fixture body 12, for example, a wiring cable (not shown) that connects the LED lighting device 1 and the lighting fixture body 12 is twisted. The occurrence of defects can also be prevented.

  Moreover, when attaching to the two-point support type fluorescent lamp lighting fixture 10b, the LED lighting device 1 includes a plurality of circles C1, C2, C3, and C4 corresponding to a plurality of ring sizes as described above. Through holes 4 are respectively formed at the reference positions PA1, PA2, PA3, PA4 and the fourth positions PD1, PD2, PD3, PD4 rotated 180 degrees from the reference positions PA1, PA2, PA3, PA4. . Therefore, as shown in FIG. 5, the two through-holes 4 corresponding to the positions of the two support portions 11d and 11e standing from the luminaire main body 12 with the annular fluorescent lamp removed from the fluorescent luminaire 10b. Is selected, and the support portions 11d and 11e are inserted into and engaged with the two through holes 4, so that the LED lighting device 1 can be attached to the fluorescent lamp lighting device 10b.

  FIG. 6 is a diagram illustrating an example of a state in which the LED lighting device 1 is attached to the two-point support type fluorescent lamp lighting fixture 10b. As shown in FIG. 6, when the LED lighting device 1 is attached to the two-point support type fluorescent lamp lighting device 10b, on the circumference of any one of a plurality of circles C1, C2, C3, and C4. The support portions 11d and 11e are engaged with each other in two through holes 4 provided at two points rotated by 180 degrees. Therefore, in this case as well, the LED lighting device 1 is supported so as not to rotate with respect to the lighting fixture body 12, for example, a wiring cable (not shown) that connects the LED lighting device 1 and the lighting fixture body 12 is twisted. It is also possible to prevent the occurrence of problems such as

  FIG. 7 is a cross-sectional view of the lighting fixture body 12 with the LED lighting device 1 attached thereto. First, Fig.7 (a) has shown the case where the support part 11 is what supports the inner peripheral part of an annular fluorescent lamp. In this case, the support portion 11 presses the contact portion between the C-shaped curved portion and the inner peripheral wall of the through hole 4 toward the outside of the substrate 2 by the urging force F by the leaf spring. Such an urging force F acts in the outward direction of the substrate 2 at each supporting point regardless of the three-point support or the two-point support. The main body 12 is stably supported. As a result, the LED lighting device 1 is supported in a state of maintaining a substantially parallel posture with respect to the lighting fixture body 12. Moreover, as described above, since the LED lighting device 1 does not rotate with respect to the lighting fixture body 12, the posture supported by the support portion 11 is stabilized.

  Next, FIG.7 (b) has shown the case where the support part 11 supports the outer peripheral part of an annular | circular fluorescent lamp. In this case, the support portion 11 presses the contact portion between the C-shaped curved portion and the inner peripheral wall of the through hole 4 toward the inward direction of the substrate 2 by the urging force F by the leaf spring. Such an urging force F acts inward of the substrate 2 at each supporting point regardless of the three-point support or the two-point support. Therefore, the LED lighting device 1 is lit by the urging force F. The main body 12 is stably supported. Therefore, even if the C-shaped curved portion faces the inner side in order for the support portion 11 to support the outer peripheral portion of the annular fluorescent lamp, the LED lighting device 1 can be It is supported in a state of maintaining a substantially parallel posture.

  However, as shown in FIG. 7B, in the case where the support portion 11 has a structure in which the C-shaped curved portion faces inward in order to support the outer peripheral portion of the annular fluorescent lamp, the support portion 11 is When supporting the LED lighting device 1, it is also possible to support the outer peripheral portion of the substrate 2. If the support portion 11 is in a state of supporting the outer peripheral portion of the substrate 2, the LED lighting device 1 may be rotated with respect to the lighting fixture body 12, which may cause the wiring cable to be twisted. Concerned. Therefore, even when the support portion 11 has the C-shaped curved portion facing inward in order to support the outer peripheral portion of the annular fluorescent lamp, when the LED lighting device 1 of the present embodiment is attached, Uses the LED illumination device 1 formed of the substrate 2 having a diameter larger than the annular size (particularly the diameter size of the outer peripheral portion) of the removed annular fluorescent lamp, and inserts the support portion 11 into the through hole 4. It is preferable to attach.

  FIG. 8 is a view for explaining a mounting position of the LED light emitting member 3. When the LED lighting device 1 is attached to the support portion 11 of the existing fluorescent lamp luminaire 10 as described above, the distal end portion 15 of the support portion 11 curved in a C-shape is formed as shown in FIG. The surface 2a of the substrate 2 may be contacted. In such a case, if the support portion 11 is formed of a conductive metal material or the like, there is a possibility that the wiring pattern or the connection terminal of the LED light emitting member 3 is short-circuited. Even if the support portion 11 is formed of a resin material or the like, if the LED light emitting member 3 is mounted at a position where the tip portion 15 of the support portion 11 contacts, the LED light emitting member 3 is damaged. There is also a possibility of end. Therefore, in the LED lighting device 1, as shown in FIG. 8B, a through-hole into which the support portion 11 is inserted and mounted in order to prevent such a short circuit of the wiring pattern and damage to the LED light emitting member 3. A region RX within a predetermined range from the position where 4 is formed on the outer side or the inner side in the radial direction of the substrate 2 is a mounting prohibited region of the LED light emitting member 3. Therefore, as shown in FIG. 8B, a large number of LED light emitting members 3 can be provided in a region excluding the mounting prohibited region RX on the surface 2a of the substrate 2, thereby providing sufficient brightness. In addition, it is possible to prevent a short circuit of the wiring pattern due to contact with the tip portion 15 of the support portion 11 and damage to the LED light emitting member 3 in advance.

  Further, the mounting prohibited area RX is preferably an area where not only the LED light emitting member 3 is mounted but also a wiring pattern is not formed. However, this is not the case when, for example, the wiring pattern formed in the prohibited mounting region RX is protected with an insulating film or the like.

  Next, FIG. 9 is a diagram illustrating another formation pattern of the through holes 4 provided in the substrate 2 of the LED lighting device 1. FIG. 9A illustrates an example in which the through hole 4 is not a circular hole, but an elongated rectangular hole is formed as a through hole 4 along the circumference of each of the circles C1, C2, C3, and C4. doing. Thus, since the rectangular through-hole 4 can make the length D1 of the radial direction of the board | substrate 2 small compared with a circular hole, arrange | position more through-holes 4 along the radial direction of the board | substrate 2. Will be able to. As a result, compared with a circular hole, the LED lighting device 1 that can cope with a larger number of types of ring sizes is realized, so that the LED lighting device 1 can be provided at low cost.

  FIG. 9B illustrates a case where four through holes 4 are formed only on the circumference of one circle CX. The LED lighting device 1 of the present embodiment may be one in which four through holes 4 are formed only on the circumference of one circle CX as shown in FIG. 9B. Even in this case, the fluorescent lamp illuminating device 10 provided with the support portion 11 of the three-point support or the two-point support at the position on the circumference of the circle CX is the three-point support or the two-point support. It can be attached regardless of whether it is present.

  As described above, the LED lighting device 1 according to the present embodiment is applied to the existing fluorescent lamp lighting apparatus 10 including the support portion 11 that supports two or three points of the inner or outer peripheral portion of the annular fluorescent lamp. A disk-shaped substrate 2 having a larger diameter than the inner periphery of the annular fluorescent lamp, and the ring size of the annular fluorescent lamp from the center of the substrate 2 And a position where the through hole 4 is formed on the surface 2a of the substrate 2 and the through hole 4 penetrating the substrate 2 formed at two and three positions at equal intervals on the circumference of the radius corresponding to A plurality of LED light emitting members 3 arranged except for. And this LED illuminating device 1 is the support part 11 in the two or three through-holes 4 formed in the board surface of the board | substrate 2 with respect to the fluorescent lamp illuminating device 10 of the state from which the annular | circular type | mold fluorescent lamp was removed. Can be mounted by engaging. Therefore, the LED lighting device 1 of the present embodiment has a structure in which two or three points of the inner or outer peripheral part of the annular fluorescent lamp are supported by the leaf spring-like support part 11 formed in a C shape. It is possible to mount the fluorescent lamp lighting apparatus 10 having a stable posture as it is without attaching any special dedicated parts. Moreover, since a large number of LED light emitting members 3 can be arranged on the surface 2a of the disk-like substrate 2 except for the positions where the through holes 4 are formed, it is possible to illuminate with sufficient brightness. Further, in the LED lighting device 1 of the present embodiment, since there is no member that internally reflects the light emitted from the LED light emitting member 3, the light emitted from the LED light emitting member 3 is used 100% to control the surrounding environment. It is possible to illuminate, and there is also an advantage that light utilization efficiency is excellent. Moreover, since such LED lighting apparatus 1 has high versatility, it can also be provided to the market at a low cost.

  In addition, in the existing fluorescent lamp luminaire 10, many lamp lamps that can be attached with two or more annular fluorescent lamps having different ring sizes are prevalent, but even with such a fluorescent lamp luminaire 10, If one LED lighting device 1 of this embodiment is attached, it is possible to illuminate with the brightness of two annular fluorescent lamps or more. Therefore, since only one LED lighting device 1 of this embodiment needs to be attached to one fluorescent lamp luminaire 10, it is excellent in work efficiency and can be replaced with LED lighting at low cost.

  In addition, the LED lighting device 1 of the present embodiment has one reference point on the circumference of the radius corresponding to the ring size of the circular fluorescent lamp from the center of the substrate 2, and the reference position and the reference position. A plurality of through-holes 4 are formed at one point rotated 180 degrees and two positions rotated 120 degrees from the reference position. Therefore, the LED lighting device 1 having such a configuration can be mounted on a fluorescent lamp lighting apparatus 10 of a widespread type among fluorescent lamp lighting apparatuses of a two-point support type or a three-point support type. In addition, the fluorescent lamp lighting fixture 10 to be mounted can be mounted regardless of whether it is a two-point support type or a three-point support type.

  Furthermore, since the through-hole 4 formed at the reference position becomes a through-hole 4 that can be used in common with the two-point support and the three-point support, if the four through-holes 4 are formed on the circumference, the two-point support is provided. And 3-point support. Therefore, in the case of forming a total of five through-holes 4 including two through-holes 4 for inserting the support part 11 when supporting two points and three through-holes 4 for inserting the support part 11 when supporting three points. In comparison with the above, since the area for forming the through holes 4 in the substrate 2 can be reduced, more LED light emitting members 3 can be mounted.

  Moreover, the LED lighting device 1 of the present embodiment has a configuration in which a plurality of through holes 4 are formed on each of a plurality of circumferences having a radius corresponding to each of a plurality of types of ring sizes as described above. Yes. The LED lighting device 1 having such a configuration is more versatile and can be easily attached to the fluorescent lamp luminaire 10 to which the annular fluorescent lamps of various ring sizes are mounted. .

  Further, in the LED lighting device 1 of the present embodiment, the LED light emitting member 3 is disposed at a position excluding the region RX within a predetermined range radially outside or inside the substrate 2 from the position where the through hole 4 is formed. . Therefore, even if the tip portion 15 of the support portion 11 is in contact with the substrate surface 2a on which the LED light emitting member 3 is mounted, it is possible to prevent a short circuit of the wiring pattern and damage to the LED light emitting member 3 in advance. Is possible.

  As mentioned above, although one Embodiment regarding this invention was described, this invention is not restricted to the thing of the content mentioned above, A various modification is applicable.

  For example, in the above embodiment, it has been described that the substrate 2 has a disk shape. However, the substrate 2 need not be a strict disk, and may be a polygonal disk having a hexagonal shape or more, for example. Therefore, the disk-shaped substrate in the present invention includes a polygonal disk.

DESCRIPTION OF SYMBOLS 1 LED lighting apparatus 2 Board | substrate 3 LED light emission member 4 Through-hole 10 Fluorescent lamp lighting fixture

Claims (4)

An LED illuminating device for use by attaching to an existing fluorescent lamp illuminator provided with a support portion that supports two or three points on the inner or outer peripheral portion of an annular fluorescent lamp,
A disc-shaped substrate formed with a diameter larger than the inner peripheral portion of the annular fluorescent lamp;
From the center of the substrate, formed at positions of two points and three points that are equally spaced on the circumference of the radius corresponding to the ring size of the annular fluorescent lamp, and through-holes penetrating the substrate;
A plurality of LED light emitting members arranged excluding the position where the through hole is formed on the surface of the substrate;
With
The fluorescent lamp illuminator with the annular fluorescent lamp removed can be mounted by engaging the support portion with the two or three through holes formed in the board surface of the substrate. An LED lighting device characterized by that.   The through hole has one point on the circumference of a radius corresponding to the ring size of the annular fluorescent lamp as a reference position, the reference position, and a position of one point rotated 180 degrees from the reference position; The LED lighting device according to claim 1, wherein the LED lighting device is formed at each of two positions rotated by 120 degrees from the reference position.   3. The LED lighting apparatus according to claim 1, wherein the through hole is formed on a plurality of circumferences having a radius corresponding to each of a plurality of types of annular shapes.   4. The LED lighting apparatus according to claim 1, wherein the LED light emitting member is arranged at a position excluding a predetermined range outside or inside in a radial direction of the substrate from the through hole. 5.

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