JP2011119227A - Led lighting lamp - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an LED lighting lamp illuminating a wide range and effectively radiating heat without increasing power consumption or a size of the lamp. <P>SOLUTION: The LED lighting lamp is provided with: a substrate 2 with a plurality of LED lamps 1 mounted thereon; a heat-radiating part 3 with the substrate 2 mounted; a cylindrical case 4 mounted on the heat-radiating part 3; a lamp base part 5 mounted on a socket of an AC power source; and a converter fitted inside the case 4 and electrically connected to the lamp base part 5 and the substrate 2. Since the LED lamp 1 has a diffusion lens part 1d provided for diffusing light emitted from the LED lamp 1, it can illuminate a wide range without increasing power consumption or enlargement of the lamp, and effectively radiate heat generated by the LED lamp 1, outside from the heat-radiating part 3 through the substrate 2. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a relatively large LED illuminating lamp that illuminates a relatively wide range such as outdoors or in a factory.

The thing of patent document 1 is known as an example of the above LED lighting lamps. This LED illumination lamp functions as an indoor or outdoor illumination lamp using the LED lamp as a light source, and a plurality of LED lamps are provided in a predetermined direction on the LED mounting substrate, and as a whole, the LED lamp is a donut having a hole in the approximate center. It is arranged in a shape and is not arranged in the central part of the circle. The intervals at which the LED lamps are disposed are approximately equal.
Moreover, the thing of patent documents 2-10 is known as small LED lighting which illuminates a comparatively narrow range.

JP 2001-256805 A JP-A-2005-93097 JP 2006-40727 A JP 2008-186758 A JP 2009-4130 A JP 2009-21264 A Utility Model Registration No. 3112794 Utility Model Registration No. 3133586 Utility Model Registration No. 3151497 Utility Model Registration No. 3152234

Although the above LED illumination lamps can suppress the amount of generated heat as compared with illumination lamps using incandescent lamps or fluorescent lamps, in order to increase the amount of light, the number of LED lamps can be increased, When the current flowing through the lamp is increased, the amount of generated heat increases and the life of the LED lighting lamp is reduced.
In addition, when illuminating a relatively wide range with light emitted from the LED lamp, it is necessary to take measures such as increasing the number of LED lamps and increasing the arrangement interval of the LED lamps, which increases the power consumption of the LED lighting lamp. And will lead to an increase in size.

  The present invention has been made in view of the above circumstances, and it is possible to illuminate a wide range without causing an increase in power consumption or an increase in size of the LED lighting, and to provide an LED lighting that can effectively dissipate heat. It is an issue.

In order to solve the above-mentioned problems, the invention described in claim 1 includes a substrate 2 on which a plurality of LED lamps 1 are mounted, and a heat dissipation portion to which the substrate 2 is attached, as shown in FIGS. 3, a cylindrical case part 4 attached to the heat radiating part 3, a base part 5 provided in the case part 4 and attached to a socket of an AC power source, and provided in the case part 4 , Including the base part 5 and a converter electrically connected to the substrate 2,
The LED lamp 1 is provided with a diffusing lens portion 1d for diffusing light emitted from the LED lamp 1.

According to the first aspect of the present invention, since the plurality of LED lamps 1 mounted on the substrate 2 are provided with the diffusing lens portion 1d for diffusing the light emitted from the LED lamp 1, the LED illumination lamp It is possible to illuminate a wide range without causing an increase in power consumption or an increase in size.
Moreover, since the board | substrate 2 with which the some LED lamp 1 was mounted is attached to the thermal radiation part 3, the heat | fever which generate | occur | produced in the LED lamp 1 can be effectively radiated | emitted from the thermal radiation part 3 outside via the board | substrate 2. FIG.

The invention according to claim 2 is the LED illuminating lamp according to claim 1,
A plurality of discharge slits 20 for releasing heat generated by the converter 6 provided inside the case portion 4 to the outside are provided in the outer peripheral portion of the case portion 4 at predetermined intervals in the circumferential direction of the case portion 4. It is characterized by that.

  According to the second aspect of the present invention, the heat generated in the converter 6 is released from the discharge slit 20, so that the heat does not go into the case portion 4, and thus the converter 6 is prevented from being deteriorated or broken down by heat. it can.

The invention according to claim 3 includes a substrate on which a plurality of LED lamps are mounted, a heat radiating portion to which the substrate is attached, a waterproof cylindrical case portion attached to the heat radiating portion, and the case portion. Provided with a converter electrically connected to the base, and a connection cable for connecting the converter to an AC power source,
The LED lamp is provided with a diffusing lens portion for diffusing light emitted from the LED lamp.

According to the third aspect of the present invention, the plurality of LED lamps 1 mounted on the substrate 2 are provided with the diffusing lens portion 1d for diffusing the light emitted from the LED lamp 1, so that the LED illumination lamp It is possible to illuminate a wide range without causing an increase in power consumption or an increase in size.
Moreover, since the board | substrate 2 with which the some LED lamp 1 was mounted is attached to the thermal radiation part 3, the heat | fever which generate | occur | produced in the LED lamp 1 can be effectively radiated | emitted from the thermal radiation part 3 outside via the board | substrate 2. FIG.
Furthermore, since the case part in which the converter is provided is waterproof, and the converter is connected to an AC power supply by a connection cable, it is suitable for outdoor use.

  The invention according to claim 4. The LED illuminating lamp according to claim 3, wherein a leg frame is attached to the case portion.

  According to the invention described in claim 4, since the leg frame is attached to the case portion, the LED illumination lamp can be easily attached to a desired attachment object by attaching the leg frame to the attachment object. it can.

The invention according to claim 5 is the LED illuminating lamp according to any one of claims 1 to 4,
The heat radiating portion 3 includes a pedestal portion 8 on which the substrate 2 is mounted, and a plurality of heat radiating plates 9 provided around the pedestal portion 8 at predetermined intervals in the circumferential direction. .

  According to the invention described in claim 5, the substrate 2 can be stably mounted on the pedestal portion 8, and a plurality of radiator plates 9 are provided around the pedestal portion 8 at predetermined intervals in the circumferential direction. The heat generated in the LED lamp 1 can be effectively radiated from the plurality of heat radiating plates 9 through the substrate 2 and the pedestal portion 8 to the outside.

The invention according to claim 6 is the LED illuminating lamp according to claim 5, wherein a ring-shaped plate 16 is provided at a base end portion of the heat radiating portion 3, and a base end portion of the heat radiating plate 9 is provided on the plate 16. Fixed,
A distal end portion of the heat radiating plate 9 is fixed to the pedestal portion 8.

  According to the sixth aspect of the present invention, the base end portion of the heat sink 9 is fixed to the plate 16 provided at the base end portion of the heat radiating portion 3, and the tip end portion of the heat sink 9 is fixed to the pedestal portion 8. Therefore, the heat sink 9 can be attached firmly and stably.

The invention according to claim 7 is the LED illuminating lamp according to claim 6,
A distal end portion of the case portion 4 is fixed to the plate 16, and the base portion 5 is provided at a base end portion of the case portion 4.

According to the seventh aspect of the invention, since the tip of the case portion 4 is fixed to the plate 16, the case portion 4 can be easily attached to the heat radiating portion 3 via the plate 16.
Further, since the base part 5 is provided at the base end part of the case part 4, the base part 5 can be most separated from the heat radiating part 3. Therefore, the base part 5 is hardly affected by the heat released from the heat radiating part 3.

  According to the present invention, the plurality of LED lamps mounted on the substrate are provided with the diffusing lens portion for diffusing the light emitted from the LED lamps, leading to an increase in power consumption and an increase in size of the LED illumination lamp. Can illuminate a wide area without any problem, and since the board on which multiple LED lamps are mounted is attached to the heat dissipation part, the heat generated by the LED lamp can be effectively transferred from the heat dissipation part to the outside via the board. Can dissipate heat.

An example of the LED illumination lamp which concerns on this invention is shown, and is a perspective view of an LED illumination lamp. FIG. FIG. FIG. FIG. FIG. It is sectional drawing of an LED lamp same as the above. It is a perspective view of a heat sink. The other example of the LED illumination lamp which concerns on this invention is shown, and it is a perspective view of an LED illumination lamp. FIG. FIG. The case part is shown, (a) is a front view, (b) is a cross-sectional view along line AA in (a), and (c) is a plan view.

Hereinafter, embodiments of an LED illumination lamp according to the present invention will be described with reference to the drawings.
(First embodiment)
1 to 8 show a first embodiment of an LED illumination lamp.
The LED illuminating lamp of the present embodiment illuminates, for example, a building or a site such as a factory, and has a total length of 300 mm to 400 mm and a maximum diameter (diameter at the tip) of about 200 mm to 350 mm. It is.
The LED illumination lamp includes a substrate 2 on which a large number of LED lamps 1 are mounted, a heat dissipation portion 3 to which the substrate 2 is attached, a cylindrical case portion 4 attached to the heat dissipation portion 3, and a case portion 4 and a base part 5 to be attached to a socket of an AC power source, and a converter (AC-DC converter) provided in the case part 4 and electrically connected to the base part 5 and the substrate 2. 6).

The heat radiating portion 3 includes a pedestal portion 8 on which the substrate 2 is mounted, and a large number of heat radiating plates 9 provided around the pedestal portion 8 at predetermined intervals in the circumferential direction. The plates 9 are arranged so as to form a substantially hemisphere as a whole.
The pedestal portion 8 is formed of a disk-shaped copper plate, and a ring-shaped reflecting mirror 10 is fixed to the outer peripheral portion of the pedestal portion 8. The inner peripheral surface of the reflecting mirror 10 is a convex mirror surface toward the outer peripheral side. A disc-shaped protective lid 11 made of a transparent resin is provided on the front surface of the reflecting mirror 10.
As shown in FIG. 8, the heat radiating plate 9 is formed of a thin aluminum plate. The heat radiating plate 9 includes a heat radiating plate main body 9a and a first bent plate 9b, a second bent plate 9c, and a third bent plate 9d that are integrally bent with the radiating plate 9a.

  The heat sink main body 9a includes an arcuate arc edge 91a, a first straight edge 91b extending substantially perpendicularly to the arc edge 91a from one end of the arc edge 91a, and the first straight edge 91b from one end of the first straight edge 91b. A second straight edge 91c extending substantially perpendicular to the first straight edge 91b; a third straight edge 91d extending substantially perpendicular to the second straight edge 91c from one end of the second straight edge 91c; A fourth straight edge 91e extending substantially perpendicular to the third straight edge 91d from one end of the straight edge 91d, and a fifth extending substantially perpendicular to the fourth straight edge 91e from one end of the fourth straight edge 91e. A straight edge 91f, a sixth straight edge 91g extending substantially perpendicularly to the fifth straight edge 91f from one end of the fifth straight edge 91f, and an end of the sixth straight edge 91g to the sixth straight edge 91g A seventh straight line extending substantially perpendicular to the 91h, an eighth straight edge 91i extending substantially perpendicular to the seventh straight edge 91h from one end of the seventh straight edge 91h, and an eighth straight edge 91i from one end of the eighth straight edge 91i It is formed in a thin plate shape surrounded by a ninth straight edge 91j extending to the other end of the arc edge 91a at a substantially right angle.

The first bent plate 9b is formed along the third straight edge 91d and gradually narrows as it approaches the fourth straight edge 91e. The second bent plate 9c is formed along the seventh straight edge 91h and gradually narrows as it approaches the sixth straight edge 91g. The third bent plate 9d is formed with the same width along the eighth straight edge 91i.
The first bent plate 9b, the second bent plate 9c, and the third bent plate 9d are all bent at a right angle in the same direction with respect to the heat sink main body 9a.

A large number of the heat radiating plates 9 as described above are arranged around the pedestal portion 8 at regular intervals in the circumferential direction.
That is, first, as shown in FIGS. 1-4, many heat sinks 9 ... are arrange | positioned radially with respect to the axis | shaft of a LED illumination light.
Then, as shown in FIG. 6, the end of the second linear edge 91 c of the heat sink 9 is brought into contact with the outer peripheral surface of the pedestal portion 8, and the third straight line of the heat sink 9 is placed on the back outer peripheral portion of the pedestal portion 8. The edge 91d is brought into contact with the first bent plate 9b. The first straight edge 91 b of the heat sink 9 is disposed so as to be substantially flush with the surface of the protective lid 11.
Rings 12 a and 12 b are coaxially fixed to the center of the back surface of the pedestal portion 8. The ring 12b is larger in diameter and thinner than the ring 12a, and is fitted into the outer periphery of the ring 12a.
The fourth straight edge 91e of the heat sink 9 is in contact with the outer periphery of the ring 12a, and the fifth straight edge 91f of the heat sink 9 is in contact with the surface of the ring 12a.
The end of the sixth straight edge 91g of the heat sink 9 is fixed to the outer periphery of the ring 12b.
Further, of the heat sinks 9 and 9 adjacent to each other in the circumferential direction, the first bent plate 9b of one heat sink 9 abuts on the third straight edge 91d of the other heat sink 9 and the third straight edge It is fixed to 91d.
Thus, the front-end | tip part of many heat sinks 9 ... is being fixed to the base part 8. FIG.

The second bent plate 9c of one of the heat radiating plates 9 out of the heat radiating plates 9 and 9 adjacent to each other in the circumferential direction is in contact with or close to the seventh straight edge 91h of the other heat radiating plate 9. The third bent plate 9d of the plate 9 is in contact with or close to the eighth straight edge 91i of the other heat radiating plate 9.
Therefore, a cylindrical cavity 13 surrounded by the sixth straight edges 91g... Of the heat radiating plates 9... A cylindrical cavity 14 surrounded by the bent plates 9d is formed. The hollow portion 13 and the hollow portion 14 are arranged coaxially, and a step portion 15 formed by a large number of second bent plates 9c... Is provided at the boundary between the hollow portions 13 and 14. Yes.

Further, a ring-shaped plate 16 is disposed at the base end portion (the upper end portion in FIG. 6) of the heat radiating portion 3. The plate 16 includes a ring-shaped flat plate 16a and a cylindrical tube portion 16b integrally formed on the back surface of the flat plate 16a.
And the edge part of the 3rd bending board 9d of the heat sink 9 is being fixed to the outer peripheral surface of the cylinder part 16b, and the 9th linear edge 91j is being fixed to the back surface of the plane board 16a.
In this way, the base end portions of the large number of heat radiating plates 9 are fixed to the plate 16.

The tip of the case portion 4 is fixed to the plate 16. The case portion 4 is formed in a cylindrical shape, and its base end portion (upper end portion in FIG. 6) is closed. The tip portion of the case portion 4 is a bulging portion 4a that bulges slightly outward. The tip portion of the bulging portion 4a is fitted on the outer peripheral portion of the plate 16, and is fixed by a screw (not shown). Yes.
A base part 5 is provided at the center of the base end face (upper end face in FIG. 6) of the case part 4, and the base part 5 is electrically connected to a converter 6 provided inside the case part 4. Has been. Therefore, AC is supplied to the converter 6 by fitting the base portion 5 into the socket of the AC power source.

The converter 6 is inserted into the case portion 4, but its end portion protrudes from the tip portion of the case portion 4 and is inserted into the cavity portion 14 of the heat radiating portion 3. A hat-shaped bracket 18 is engaged with the end of the converter 6, and both ends of the bracket 18 are fixed to the inner surface of the bulging portion 4 a of the case portion 4 with screws (not shown). Thus, the converter 6 is detached from the case portion 4 so that it cannot enter the cavity portion 13 of the heat radiating portion 3.
In addition, a large number of discharge slits 20 for releasing heat generated by the converter 6 to the outside are provided in the outer peripheral portion of the case portion 4 at predetermined intervals in the circumferential direction of the case portion 4. Further, the end of the discharge slit 20 reaches a part of the bulging portion 4 a of the case portion 4.

The converter 6 and the substrate 2 on which the LED lamp 1 is mounted are electrically connected by an electric cord 21, whereby a direct current is supplied to the substrate 2, and further, this direct current is used for all the LED lamps 1. To be supplied.
As shown in FIG. 7, the LED lamp 1 includes a package 1a formed of ceramic having excellent thermal conductivity, fixed to a substrate 2, an LED chip 1b loaded in the package 1a, and the LED chip. 1b is composed of a transparent resin 1c for enclosing the package 1a, and the package 1a is covered with a diffusing lens portion 1d.

A recess having a trapezoidal cross section for inserting the LED chip 1b is formed in the package 1a, and the LED chip 1b is installed on the bottom surface of the recess. The LED chip 1b is enclosed in the package 1a by filling the recess with a transparent resin 1c.
Further, a disc-like or quadrangular plate-like projecting portion 1e is formed on the bottom surface of the package 1a, and this projecting portion 1e is inserted into a through hole formed in the substrate 2 and then formed of a copper plate. It is contact | abutted by the pedestal part 8 made.
The diffusing lens portion 1d is a lens having a function of diffusing light emitted from the LED lamp. The diffusing lens body 1f has a curved surface formed integrally with the outer periphery of the diffusing lens body 1f. The engaging portion 1g is formed and engaged with the outer peripheral portion of the package 1a from the outside. A recess is formed on the bottom surface of the engaging portion 1g so as to be engaged with the outer peripheral portion of the package 1a. By engaging the concave portion with the outer peripheral portion of the package 1a from the outside, the diffusion lens portion is attached to the package 1a. 1d is covered.

  As shown in FIG. 3, a large number of LED lamps 1 provided with a diffusing lens portion 1d are arranged at predetermined intervals in the radial direction and at predetermined intervals in the circumferential direction from the central portion of the disk-shaped substrate 2. .

The LED illumination lamp having the above-described structure is attached to a socket of an AC power source provided in a building such as a factory and attached to a pillar or beam in the building or a dedicated support member. used.
The alternating current from the alternating current power source is converted into direct current by the converter 6 and then supplied to the substrate 2, so that a large number of LED lamps 1. The light emitted from the LED chip 1b of the LED lamp 1 is condensed on the diffusing lens body 1f of the diffusing lens portion 1d and then diffused to illuminate a wide range.

  Further, the heat generated in the LED chip 1b of the LED lamp 1 is transmitted to the pedestal portion 8 formed of a copper plate via the projecting portion 1e of the package 1a and the substrate 2, and further, a large number of heat radiating plates constituting the heat radiating portion 3. 9 is transmitted to the outside from these heat radiating plates 9.

According to the LED illumination lamp of the present embodiment, a large number of LED lamps 1 mounted on the substrate 2 are provided with the diffusing lens portion 1d that diffuses the light emitted from the LED lamp 1. A wide range can be illuminated without increasing the power consumption or size of the lamp.
Moreover, since the board | substrate 2 with which many LED lamps 1 were mounted is attached to the thermal radiation part 3, the heat | fever which generate | occur | produced in the LED lamp 1 can be effectively radiated | emitted from the thermal radiation part 3 outside via the board | substrate 2. FIG.
The heat radiating section 3 includes a pedestal portion 8 formed of a copper plate on which the substrate 2 is mounted, and a large number of heat radiating plates 9 provided around the pedestal portion 8 at predetermined intervals in the circumferential direction. Therefore, the board | substrate 2 can be stably mounted | worn to the base part 8, and the heat | fever generate | occur | produced by the LED lamp 1 can be effectively thermally radiated from many heat sinks 9 via the board | substrate 2 and the base part 8. FIG.

Further, a ring-shaped plate 16 is provided at the base end of the heat radiating portion 3, the base end of the heat radiating plate 9 is fixed to the plate 16, and the tip of the heat radiating plate 9 is fixed to the pedestal portion 8. The heat sink 9 can be attached firmly and stably.
In addition, since the tip end portion of the case portion 4 is fixed to the plate 16, the case portion 4 can be easily attached to the heat radiating portion 3 having a large number of heat radiating plates 9 via the plate 16. Further, since the base part 5 is provided at the base end part of the case part 4, the base part 5 can be most separated from the heat radiating part 3. Therefore, the base part 5 is hardly affected by the heat released from the heat radiating part 3.
In addition, since a large number of discharge slits 21 are provided at a predetermined interval in the circumferential direction of the case portion 4 on the outer peripheral portion of the case portion 4, heat generated by the converter 6 is discharged from the discharge slit 21. Therefore, no heat is generated in the case portion 4, so that deterioration or failure of the converter 6 due to heat can be prevented.

(Second Embodiment)
9 to 12 show a second embodiment of the LED lighting.
Since this embodiment differs from the first embodiment in the configuration of the case portion where the converter 6 is provided, the point where a leg frame is provided, etc., this point will be described in detail below. Portions common to the embodiments are denoted by the same reference numerals, and description thereof is omitted or simplified.

  The LED illuminating lamp according to the present embodiment includes a substrate 2 on which a large number of LED lamps 1 are mounted, a heat radiating portion 3 to which the substrate 2 is attached, and a waterproof cylindrical case attached to the heat radiating portion 3. Part 24, converter 6 provided in case part 24 and electrically connected to base 2, connection cable 25 for connecting converter 6 to an AC power source, and leg frame 26. Since the board | substrate 2 and the thermal radiation part 3 are the same structures as the said 1st Embodiment, the description is abbreviate | omitted.

The case portion 24 is waterproof, and as shown in FIGS. 10, 11, and 12, a large diameter cylindrical portion 24a and a small diameter cylindrical portion 24b formed coaxially at the end of the large diameter cylindrical portion 24. It consists of and. One end face of the small diameter cylindrical portion 24b is closed.
The large diameter cylindrical portion 24a is formed longer than the small diameter cylindrical portion 24b, and four slits 24c extending in the axial direction are formed at predetermined intervals in the circumferential direction on the outer peripheral portion thereof. The slit 24c is for releasing heat generated in the converter 6 to the outside.
In addition, a pair of brackets 27 and 27 are disposed on the outer peripheral surface of the other end of the small diameter cylindrical portion 24b so as to face each other in the radial direction. One end of the bracket 27 is fixed to the end of the large-diameter cylindrical portion 24a, the other end is formed with a screw hole 27a, and the outer periphery of the small-diameter cylindrical portion 24b is formed with a hole 27b coaxially with the screw hole 27a. Is formed.
A plurality of small slits 24d are formed at predetermined intervals in the circumferential direction at the end of the small diameter cylindrical portion 24b, and a hole 24e for passing the connection cable 25 is formed at the center of the end surface of the small diameter cylindrical portion 24b.

As shown in FIG. 11, a ring-shaped plate 16 is arranged at the base end portion (upper end portion in FIG. 11) of the heat radiating portion 3, as in the first embodiment. The distal end portion of the large-diameter cylindrical portion 24a of the case portion 24 is fitted to the portion, and is fixed by a screw (not shown).
A cylindrical bush 28 is inserted and fixed in the hole 24 e on the end surface of the case portion 24, and a connection cable 25 is inserted into the bush 28, and the connection cable 25 is electrically connected to the converter 6. The connection cable 25 is connected to an AC power source (not shown). As a result, AC is supplied to the converter 6.
The converter 6 is inserted into the case portion 24, but its end portion protrudes from the tip portion of the case portion 24 and is inserted into the cavity portion 14 of the heat radiating portion 3. A hat-type bracket 18 is engaged with the end of the converter 6, and both ends of the bracket 18 are fixed to the inner surface of the large-diameter cylindrical portion 24 a of the case portion 24 with screws (not shown). Thus, the converter 6 is detached from the case portion 24 and cannot enter the cavity portion 13 of the heat radiating portion 3.

As shown in FIGS. 9 and 10, a leg frame 26 is attached to the case portion 24 as follows.
That is, first, the leg frame 26 is formed in a substantially U-shape comprising a fixed plate 30 and support plates 31 and 31 formed at both ends of the fixed plate 30.
A plurality of fixing holes 30a are formed in the fixing plate 30 at predetermined intervals. Further, a hole 31 a is formed at the tip of the support plate 31.
On the other hand, the support plates 31, 31 of the leg frame 26 are coaxial with the screw holes 27a, 27a of the brackets 27, 27 so as to sandwich the brackets 27, 27 provided on the small diameter cylindrical portion 27b of the case portion 24. It is arranged to be.
The support plates 31 and 31 are attached to the brackets 27 and 27 by inserting the bolts 32 and 32 into the holes 31a and 31a and screwing the bolts 32 and 32 into the screw holes 27a and 27a.

In such a leg rack 26, the fixing plate 30 is brought into contact with an object to be attached to a floor, a base, a wall or the like, and a fixing bolt (not shown) is inserted into the fixing hole 30a. The screw can be attached to the attachment object by screwing into a screw hole, a nut or the like provided in the attachment object such as a wall.
Further, by loosening the bolts 32, 32, the case portion 24 can swing around the bolts 32, 32 as axes. Thereby, the swing angle of the LED illumination lamp can be adjusted.

According to the present embodiment, the same effects as in the first embodiment can be obtained, and the following effects can be obtained.
The case portion 24 provided with the converter 6 is waterproof, and the converter 24 is connected to an AC power supply by the connection cable 25, so that it is suitable for outdoor use.
Moreover, since the leg frame 26 is attached to the case portion 24, the LED lamp can be easily attached to a desired mounting object by attaching the leg rack 26 to the mounting object such as a floor, a base, or a wall. Can do.

In the present embodiment, the heat dissipating plates 9 constituting the heat dissipating part 3 are arranged so as to form a substantially hemisphere as a whole, but instead, they are generally conical, semi-elliptical spherical, etc. Try to place it.
Moreover, in order to reinforce the front-end | tip parts of many heat sinks 9, you may attach the ring-shaped reinforcing material which connects the front-end | tip parts of the heat sink 9. FIG.

DESCRIPTION OF SYMBOLS 1 LED lamp 1d Diffusing lens part 2 Board | substrate 3 Heat radiation part 4,24 Case part 5 Cap part 6 Converter 8 Base part 9 Heat sink 16 Plate 20 Discharge slit 26 Connection cable 26 Leg stand

Claims (7)

A board on which a plurality of LED lamps are mounted, a heat radiating part to which the board is attached, a cylindrical case part attached to the heat radiating part, and a case provided to the socket of the AC power source A base part, and a converter provided in the case part and electrically connected to the base part and the substrate,
An LED illumination lamp, wherein the LED lamp is provided with a diffusing lens portion for diffusing light emitted from the LED lamp. In the LED illumination light of Claim 1,
The outer peripheral portion of the case portion is provided with a plurality of discharge slits for releasing heat generated by a converter provided inside the case portion to the outside at predetermined intervals in the circumferential direction of the case portion. LED lighting. A board on which a plurality of LED lamps are mounted, a heat radiating part to which the board is attached, a waterproof cylindrical case part to be attached to the heat radiating part, and provided on the case part to electrically connect to the base A converter connected to the power supply, and a connection cable for connecting the converter to an AC power source,
An LED illumination lamp, wherein the LED lamp is provided with a diffusing lens portion for diffusing light emitted from the LED lamp. In the LED illumination light of Claim 3,
An LED illuminating lamp, wherein a leg rack is attached to the case portion. In the LED lighting as described in any one of Claims 1-4,
The LED heat lamp, wherein the heat radiating portion includes a pedestal portion on which the substrate is mounted, and a plurality of heat radiating plates provided at predetermined intervals in the circumferential direction around the pedestal portion. The LED illumination lamp according to claim 5, wherein a ring-shaped plate is provided at a base end portion of the heat dissipation portion, and a base end portion of the heat dissipation plate is fixed to the plate,
The LED illumination lamp characterized by the front-end | tip part of the said heat sink being fixed to the said base part. The LED illuminating lamp according to claim 6,
The LED illumination lamp characterized by the front-end | tip part of the said case part being fixed to the said plate, and the said nozzle | cap | die part being provided in the base end part of the said case part.

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