JP3179327U - Omni-directional LED lamp - Google Patents

Abstract

An omnidirectional LED lamp that achieves an effect of uniformly emitting light at each angle within a range of 270 ° is provided.
A lamp holder, a lamp body, a drive circuit, an LED lamp board, a heat dissipating body, an elevational light reflecting column, and a cover are provided. The lamp holder 1 is fixed to the lower end of the lamp body 2, the heat dissipation body 5 is fixed in the lamp body 2, and the drive circuit 3 is fixed in the heat dissipation body 5. The vertical light reflecting column 6 includes a light reflecting table 61 and four light reflecting curved surfaces 62. The light reflecting curved surface 62 stands upright symmetrically on the light reflecting table 61, and the light reflecting table 61 is fixed on the heat sink 5. The The LED lamp board 4 is installed by being inserted between four light reflecting curved surfaces 62, the LED lamp board 4 is connected to the lamp holder 1 through the driving circuit 3, and the cover 7 is connected to the LED lamp board 4 and the vertical light reflecting column. 6 is covered and welded to the upper end of the lamp body 2.
[Selection] Figure 1

Description

  The present invention relates to an LED lamp, and more particularly to an omnidirectional LED lamp.

  In the conventional technology, the LED lamp is composed of a lamp holder, a lamp body, a drive circuit, an LED lamp board, a heat dissipation body, and a cover. The lamp holder is fixed to the lower end of the lamp body, and the upper end of the lamp body is fitted into the heat dissipation body. The drive circuit is installed in the lamp body. The LED lamp board is installed on the heat dissipator and is connected to the lamp holder through a drive circuit. The cover covers the LED lamp board and is installed at the upper end of the heat dissipation body. In operation, the LED on the LED lamp board is energized to emit light, and the light passes through the cover to achieve illumination.

The light emission angle of the LED lamp described above is approximately 120 °, the irradiation range is narrow, and the light utilization rate is low.
The present invention has been made in view of the above-described drawbacks of conventional LED lamps.

None

  The problem to be solved by the present invention is to achieve the effect of uniform light emission within a range of 270 °, and the difference in light intensity between all angles within the range of 0 ° to 135 ° (vertical axis symmetry) exceeds 20%. Furthermore, it is to provide an omnidirectional LED lamp having a light irradiation effect with a total light passing amount of at least 5% in a section of 135 ° to 180 °.

In order to solve the above problems, the present invention provides the following omnidirectional LED lamp.
The omnidirectional LED lamp includes a lamp holder, a lamp body, a drive circuit, an LED lamp board, a heat dissipation body, an elevational light reflection column, and a cover.
The lamp holder is fixed to the lower end of the lamp body,
The heat dissipating body is fixed in the lamp body,
The drive circuit is fixed in the heat sink,
The vertical light reflecting column includes a light reflecting table and four light reflecting curved surfaces. The four light reflecting curved surfaces are symmetrically upright on the light reflecting table. Fixed on the body,
The LED lamp board is installed by being inserted between the four light reflecting curved surfaces of the vertical light reflecting column, and the LED lamp board is connected to the lamp holder through the driving circuit,
The cover covers the LED lamp board and the vertical light reflecting column, and is welded to the upper end of the lamp body.
The LED lamp board is MCPCB (metal core printed circuit board, Metal Core).
PCB) and some LEDs, which are connected on both sides of the MCPCB,
The four light reflecting curved surfaces correspond to the LED lamp board and form a light reflecting arc surface,
An annular groove and a convex tenon are formed downward at the lower end of the lamp body, the lamp holder is tightly fixed outside the lower end of the lamp body, and a lower engagement groove is formed at the lower end of the heat dissipating body. The lower end of the heat dissipating body is inserted and installed in an annular groove in the lamp body, and the convex tenon is engaged in the lower engaging groove, whereby the heat dissipating body is inserted into the lamp body. Fixed inside,
A convex base is further formed on the apex surface of the heat spreader, an upper engagement groove is formed on the side wall of the convex base, and a fitting ring is provided around the light reflecting base of the vertical light reflecting column. A convex grain is formed on the inner side of the fitting ring, and the fitting ring of the light reflecting table is fitted on the convex base, and the convex grain is in the upper engaging groove. So that the vertical light reflecting column is fixed on the heat dissipating body,
An insertion slit is formed at the corresponding connection position of the apex surface of the heat dissipating body, and the light reflecting table of the vertical light reflecting column corresponds to the insertion slit of the heat dissipating body, forming an insertion groove,
The drive circuit is located in the heat sink;
The lower end of the LED lamp board passes through the insertion groove and the insertion slit and enters the heat dissipating body, and the lower end of the LED lamp board is fixed on the top surface of the heat dissipating body by screws, The lower end of the LED lamp board is further fixed to the drive circuit with screws,
The heat dissipation body is configured by fitting the left half and the right half through fitting of connecting parts, or the heat dissipation body is configured to be fixed by screws after the left half and the right half are engaged,
During the operation of the present invention, the LED on the LED lamp board is energized to emit light, and the light beam is reflected by the light reflecting curved surface and the light reflecting table to achieve uniform light emission at each angle within a 270 ° range. That is, the difference in light intensity between all angles in the range of 0 ° to 135 ° (vertical axis symmetry) does not exceed 20%, and the total light passing amount is at least 5% in the interval of 135 ° to 180 °. With light irradiation.
The present invention can expand the irradiation range and greatly increase the light utilization rate.

  The omnidirectional LED lamp of the present invention achieves the effect of uniform light emission within the 270 ° range, and the difference in light intensity between all angles within the 0 ° to 135 ° range (vertical axis symmetry) does not exceed 20%. In addition, it has a light irradiation effect of a total light passing amount of at least 5% in a section of 135 ° to 180 °.

It is a three-dimensional exploded view of the present invention. It is a combination external view of the present invention. It is combination sectional drawing of this invention. It is a reflection schematic diagram of this invention side view. It is a reflection schematic diagram (planar 360 degree light emission schematic diagram of the vertical central axis) of the present invention overhead view. It is a light distribution map of the present invention.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings.

  As shown in FIGS. 1 to 3, the omnidirectional LED lamp of the present invention includes a lamp holder 1, a lamp body 2, a drive circuit 3, an LED lamp board 4, a heat dissipation body 5, an elevational light reflecting column 6, and a cover 7. .

  The lamp holder 1 is fixed to the lower end of the lamp body 2. In the present embodiment, the lamp holder 1 is tightly fixed to the outside of the lower end of the lamp body 2 by making it correspond closely.

  The heat dissipating body 5 is fixed in the lamp body 2. For convenience of assembly, in this embodiment, the annular groove 21 and the convex tenon 22 are formed downward at the lower end of the lamp body 2. A lower engagement groove 51 is formed at the lower end of the heat dissipating body 5. The lower end of the heat dissipating member 5 is inserted and installed in the annular groove 21, and the convex tenon 22 is engaged in the lower engagement groove 51. Thereby, the heat dissipating body 5 is fixed in the lamp body 2. For the convenience of assembly, in the present embodiment, the heat dissipating body 5 is configured such that the left half portion 55 and the right half portion 56 are configured by fitting the connecting parts, or the heat dissipating member is engaged with the left half portion and the right half portion. Later, it is fixed and configured with screws.

  The elevation light reflecting column 6 includes a light reflecting table 61 and four light reflecting curved surfaces 62. The four light reflecting curved surfaces 62 stand symmetrically upright on the light reflecting table 61, and the light reflecting table 61 is fixed on the heat dissipation body 5. For convenience of assembly, a convex base 52 is formed on the apex surface of the heat dissipating body 5 in this embodiment. An upper engagement groove 53 is formed on the side wall of the convex base 52. A fitting ring 63 is formed downward around the light reflecting table 61 of the vertical light reflecting column 6. Convex grains 64 are formed inside the fitting ring 63. The fitting ring 63 is fitted on the convex base 52, and the convex grains 64 are engaged in the upper engaging groove 53. Thereby, the whole elevational light reflection column 6 is fixed on the heat dissipating body 5. The drive circuit 3 is fixed in the heat dissipating body 5.

  The LED lamp board 4 is inserted and installed between the four light reflecting curved surfaces 62 of the vertical light reflecting column 6. The LED lamp board 4 is connected to the drive circuit 3 and is connected to the lamp holder 1 through the drive circuit 3. In this embodiment, the LED lamp board 4 is composed of MCPCB 41 (metal core printed circuit board, Metal Core PCB) and some LEDs 42. Some LEDs 42 are connected on both sides of the MCPCB 41.

  In order to increase the light emission rate, the four light reflection curved surfaces 62 of the present embodiment correspond to the LED lamp board 4 and form a light reflection arc surface. For the convenience of assembly, in this embodiment, an insertion slit 54 is formed at the corresponding connection position on the apex surface of the heat dissipating body 5. The light reflector 61 corresponds to the insertion slit 54 of the heat dissipating body 5 and forms an insertion groove 65. The drive circuit 3 is located in the heat dissipation body 5. The lower end of the LED lamp board 4 passes through the insertion groove 65 and the insertion slit 54 and enters the heat dissipating body 5. The lower end of the LED lamp board 4 is fixed to the top surface of the heat dissipating body 5 by screws 8, and the lower end of the LED lamp board 4 is further fixed to the drive circuit 5 by screws 8, whereby the drive circuit 3 is And fixed in the heat dissipating body 5.

  The cover 7 covers the LED lamp board 4 and the vertical light reflecting column 6 and is welded to the upper end of the lamp body 2.

  During operation of the present invention, the LED 42 on the LED lamp board 4 is energized to emit light. As shown in FIGS. 4 and 5, the light beam is reflected by the four light reflecting curved surfaces 62 and the light reflecting table 61 to form an effect of emitting light uniformly at each angle within a 270 ° range. Is realized. As shown in FIG. 6, the difference in light intensity between all angles in the 0 ° -135 ° range (vertical axis symmetry) does not exceed 20%, and at least 5% total in the 135 ° -180 ° interval. It has light irradiation of light passage amount. FIG. 5 shows how a light beam passes through four light reflecting curved surfaces 62 and achieves a 360 ° halo effect on a plane.

  The names and contents of the present invention described above are only used for explaining the technical contents of the present invention, and do not limit the present invention. Equivalent applications based on the spirit of the present invention, conversion of parts (structure), replacement, increase / decrease in quantity are all included in the protection scope of the present invention.

  The present invention has novelty, which is a requirement for registering utility models, has sufficient inventive step compared to conventional similar products, has high practicality, meets social needs, and has very high industrial utility value Big.

1: lamp holder 2: lamp body 21: annular groove 22: convex tenon 3: drive circuit 4: LED lamp board
41: MCPCB
42: LED
5: Heat dissipation body 51: Lower engagement groove 52: Convex base 53: Upper engagement groove 54: Insertion slit 55: Left half 56: Right half 6: Elevated light reflection column 61: Light reflection stand 62: Light reflection Curved surface 63: Fitting ring 64: Convex grain 65: Insertion groove 7: Cover 8: Screw

Claims (8)

An omnidirectional LED lamp comprising a lamp holder, a lamp body, a drive circuit, an LED lamp board, a heat dissipation body, an elevational light reflecting column, and a cover,
The lamp holder is fixed to a lower end of the lamp body;
The heat dissipating body is fixed in the lamp body;
The drive circuit is fixed in the heat dissipation body,
The vertical light reflecting column includes a light reflecting table and four light reflecting curved surfaces, the four light reflecting curved surfaces are symmetrically upright on the light reflecting table, and the light reflecting table is the heat dissipation table. Fixed on the body,
The LED lamp board is installed by being inserted between four light reflecting curved surfaces of the vertical light reflecting column, and the LED lamp board is connected to the lamp holder through the driving circuit,
The cover covers the LED lamp board and the vertical light reflecting column, and is welded to an upper end of the lamp body.   2. The omnidirectional LED according to claim 1, wherein the LED lamp board includes an MCPCB (Metal Core PCB) and a plurality of LEDs, and the plurality of LEDs are connected on both sides of the MCPCB. lamp.   The omnidirectional LED lamp according to claim 1, wherein the four light reflecting curved surfaces correspond to the LED lamp board and form a light reflecting arc surface.   An annular groove and a convex tenon are formed downward at the lower end of the lamp body, the lamp holder is tightly fixed outside the lower end of the lamp body, and a lower engagement groove is formed at the lower end of the heat dissipation body. The lower end of the heat dissipating body is inserted and installed in an annular groove in the lamp body, and the convex tenon is engaged in the lower engaging groove, whereby the heat dissipating body is The omnidirectional LED lamp according to claim 1, wherein the omnidirectional LED lamp is fixed in the body.   A convex base is further formed on the apex surface of the heat dissipating body, an upper engaging groove is formed on the side wall of the convex base, and a fitting ring is provided around the light reflecting base of the vertical light reflecting column. Formed downward, forming convex grains inside the fitting ring, fitting the fitting ring of the light reflecting table onto the convex table, and the convex grains in the upper engaging groove The omnidirectional LED lamp according to claim 1, wherein the vertical light reflecting column is fixed on the heat dissipating member.   An insertion slit is formed at a corresponding connection position on the apex surface of the heat dissipating body, and a light reflecting base of the vertical light reflecting column is formed corresponding to the insertion slit of the heat dissipating body to form an insertion groove, and the drive circuit Is located in the heat dissipation body, the lower end of the LED lamp board passes through the insertion groove and the insertion slit and enters the heat dissipation body, and the lower end of the LED lamp board is screwed, 2. The omnidirectional LED lamp according to claim 1, wherein the omnidirectional LED lamp is fixed on an apex surface of the heat dissipating body, and a lower end of the LED lamp board is further fixed to the driving circuit with a screw.   2. The omnidirectional LED lamp according to claim 1, wherein the heat dissipator is configured such that a left half part and a right half part are fitted with connecting parts.   2. The omnidirectional LED lamp according to claim 1, wherein the heat dissipator is configured to be fixed with screws after the left half and the right half are fitted.