CN211344818U

CN211344818U - LED lamp

Info

Publication number: CN211344818U
Application number: CN201922206163.6U
Authority: CN
Inventors: 贺敏明
Original assignee: Ningbo Klite Electric Manufacture Co Ltd
Current assignee: Ningbo Klite Electric Manufacture Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-25
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a LED lamp, which comprises a lamp cup, a reflecting bowl, an LED luminous component, a heat conductor and a heat dissipation plate, wherein the heat conductor comprises a heat conducting column and a bottom plate, the bottom plate is connected with the heat dissipation plate, and the heat conducting column is arranged at the center of the reflecting bowl; the LED light-emitting component comprises an installation cylinder, the installation cylinder is sleeved on the heat conducting column, and a plurality of LED lamp beads are arranged in the circumferential direction of the outer side of the installation cylinder. The utility model discloses in, LED lamp pearl sets up on the circumferencial direction in the installation section of thick bamboo outside, and the light that LED lamp pearl sent can directly project on the reflector, outwards throws away after the reflection of reflector, compares traditional LED lamp, the utility model discloses the light does not pass through the leaded light post, and the luminous flux loss is little, and the light efficiency is high.

Description

LED lamp

Technical Field

The utility model relates to the technical field of lighting technology, in particular to LED lamps and lanterns.

Background

Present common LED lamp includes lamp cup, reflector, LED luminous component, leaded light post usually, and the leaded light post is located the reflector center, and LED luminous component sets up in the one end of leaded light post, and the light emitting mode of this LED lamp is: the LED light emitting component generates light which enters the light guide column, the light enters the light guide column to be scattered and then is projected to the light reflecting bowl, and the light is projected out through the reflection effect of the light reflecting bowl. The LED lamp has the following disadvantages: when the light that LED sent out light component to produce passed through the leaded light post, partly light was absorbed by the leaded light post, and luminous flux loss is great, and the light efficiency is low.

Such as: the invention discloses a Chinese patent publication No. CN103759146A, and the name of the invention is an LED lamp, which comprises a reflecting cup with a central hole, a light guide column arranged in the central hole, and an LED light emitting part coupled with the light guide column, wherein the LED light emitting part is positioned at the outer side of the reflecting cup, part of the light guide column is positioned at the inner side of the reflecting cup, the light guide column is an axisymmetric entity made of transparent material, and the light guide column is arranged with the reflecting cup in a sliding way along the axial direction of the light guide column. The invention has the following disadvantages: when the light that LED sent out light component to produce passed through the leaded light post, partly light was absorbed by the leaded light post, and luminous flux loss is great, and the light efficiency is low.

Disclosure of Invention

The utility model aims at solving the problem that the luminous flux loss of the existing LED lamp is great and the lighting effect is low, providing a LED lamp which can effectively solve the problems.

The utility model aims at realizing through the following technical scheme: an LED lamp comprises a lamp cup, a reflecting bowl, an LED light emitting part, a heat conductor and a heat dissipation plate, wherein the heat conductor comprises a heat conducting column and a bottom plate, the bottom plate is connected with the heat dissipation plate, and the heat conducting column is arranged in the center of the reflecting bowl; the LED light-emitting component comprises an installation cylinder, the installation cylinder is sleeved on the heat conducting column, and a plurality of LED lamp beads are arranged in the circumferential direction of the outer side of the installation cylinder.

The utility model discloses in, LED lamp pearl sets up on the circumferencial direction in the installation section of thick bamboo outside, and the light that LED lamp pearl sent can directly project on the reflector, outwards throws away after the reflection of reflector, compares traditional LED lamp, the utility model discloses the light does not pass through the leaded light post, and the luminous flux loss is little, and the light efficiency is high. Because the installation barrel is sleeved on the heat conduction column, heat generated by the LED lamp beads during operation can be conducted to the heat dissipation plate through the heat conduction column, and therefore a good heat dissipation effect is achieved.

Preferably, the mounting cylinder comprises a plurality of substrates, the substrates are connected through an arc-shaped connecting plate to form a cylindrical structure, the cross section of the arc-shaped connecting plate is arc-shaped, the arc-shaped connecting plate comprises an inner metal layer and an outer metal layer, and the thermal expansion coefficient of the outer metal layer is greater than that of the inner metal layer. When the LED lamp is used, the LED lamp beads can generate heat, so that the temperature of the arc-shaped connecting plate rises, the arc-shaped connecting plate is composed of an inner side metal layer and an outer side metal layer, the thermal expansion coefficient of the outer side metal layer is larger than that of the inner side metal layer, when the temperature of the arc-shaped connecting plate rises, the two ends of the arc-shaped connecting plate can be bent towards the inner side, the mounting cylinder is made to shrink inwards, the side face of the heat conducting column can be tightly attached to the mounting cylinder, the gap between the mounting cylinder and the heat conducting column is eliminated, the heat conducting effect between the mounting cylinder and the heat conducting column is improved, and the.

Preferably, the material of the outer metal layer is aluminum, and the material of the inner metal layer is iron.

Preferably, the mounting cylinder is of a hexagonal cylindrical structure, the cross section of the heat conduction column is hexagonal, and the mounting cylinder is tightly attached to the side face of the heat conduction column.

Preferably, the heat conductor and the heat dissipation plate are made of aluminum. The aluminum has good heat-conducting property and can improve the heat-radiating effect.

Preferably, a driver is arranged on the lamp cup, and the LED lamp beads are electrically connected with the driver. The driver is connected with the 220V power supply and is used for adjusting the voltage and driving the LED lamp beads to emit light.

Preferably, the light reflecting bowl is provided with a center sill, and the middle of the center sill is abutted against one end of the heat conducting column.

The utility model has the advantages that: the utility model discloses in, LED lamp pearl sets up on the circumferencial direction in the installation section of thick bamboo outside, and the light that LED lamp pearl sent can directly project on the reflector, outwards throws away after the reflection of reflector, compares traditional LED lamp, the utility model discloses the light does not pass through the leaded light post, and the luminous flux loss is little, and the light efficiency is high.

Drawings

Fig. 1 is a partial sectional view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic structural diagram of an LED light emitting component.

Fig. 4 is a schematic structural view of the heat conductor.

Fig. 5 is a cross-sectional view of a circular arc connecting plate.

In the figure: 1. lamp cup, 2, reflector, 3, heating panel, 4, heat conductor, 5, LED luminous component, 6, center sill, 7, printing opacity cover, 8, driver, 9, set screw, 10, base plate, 11, arc connecting plate, 12, LED lamp pearl, 13, heat conduction post, 14, bottom plate, 15, bulge loop, 16, inboard metal level, 17, outside metal level.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in fig. 1 to 5, an LED lamp includes a lamp cup 1, a reflector 2, a heat sink 3, a heat conductor 4, an LED light emitting component 5, and a light transmissive cover 7. The heat conductor comprises a heat conducting column 13 and a base plate 14. The cross section of the heat conduction column 13 is hexagonal. The base plate 14 has a circular plate-like structure. The heat conduction column 13 is disposed at the center of the base plate 14 and perpendicular to the base plate 14. The heat conducting column 13 is arranged in the center of the light reflecting bowl 2. The heat dissipation plate 3 has a circular plate-like structure. The base plate 14 is fixedly connected to the heat dissipation plate 3 by fixing screws 9. The heat sink 3 is fixed to the lamp cup 1. The heat conductor 4 and the heat dissipation plate 3 are both made of aluminum.

The LED lighting component 5 comprises a mounting cylinder. The installation cylinder is of a hexagonal cylindrical structure. The mounting cylinder is sleeved on the heat conduction column 13. The mounting cylinder is tightly attached to the side surface of the heat conducting column 13. The mounting cylinder comprises six substrates 10, and the substrates 10 are in a rectangular plate-shaped structure. The substrates 10 are connected through an arc-shaped connecting plate 11 to form a cylindrical structure. And the LED lamp beads 12 are arranged on the outer side of the mounting cylinder in the circumferential direction. LED lamp pearl 12 is fixed on base plate 10. The cross section of the arc-shaped connecting plate 11 is arc-shaped. The arc-shaped connection plate 11 comprises an inner metal layer 16 and an outer metal layer 17. The coefficient of thermal expansion of the outer metal layer 17 is greater than the coefficient of thermal expansion of the inner metal layer 16. The material of the outer metal layer 17 is aluminum, and the material of the inner metal layer 16 is iron. When the LED lamp is used, the LED lamp beads can generate heat, so that the temperature of the arc-shaped connecting plate rises, the arc-shaped connecting plate is composed of an inner side metal layer and an outer side metal layer, the thermal expansion coefficient of the outer side metal layer is larger than that of the inner side metal layer, when the temperature of the arc-shaped connecting plate rises, the two ends of the arc-shaped connecting plate can be bent towards the inner side, the mounting cylinder is made to shrink inwards, the side face of the heat conducting column can be tightly attached to the mounting cylinder, the gap between the mounting cylinder and the heat conducting column is eliminated, the heat conducting effect between the mounting cylinder and the heat conducting column is improved, and the.

The light-transmitting cover 7 is sleeved outside the LED light-emitting part 5. The bottom plate 14 is provided with a convex ring 15 corresponding to the light-transmitting cover 7, and one end of the light-transmitting cover 7 is sleeved on the convex ring 15. The light reflecting bowl 2 is provided with a middle beam 6, and the middle part of the middle beam 6 is abutted against one end of the heat conducting column 13. Two ends of the middle beam 6 are fixedly connected to the light emitting bowl. The lamp cup 1 is provided with a driver 8 for driving the LED lamp beads 12 to emit light. LED lamp pearl 12 is connected with driver 8 electricity.

The utility model discloses in, LED lamp pearl sets up on the circumferencial direction in the installation section of thick bamboo outside, and the light that LED lamp pearl sent can directly project on the reflector, outwards throws away after the reflection of reflector, compares traditional LED lamp, the utility model discloses the light does not pass through the leaded light post, and the luminous flux loss is little, and the light efficiency is high. Because the installation barrel is sleeved on the heat conduction column, heat generated by the LED lamp beads during operation can be conducted to the heat dissipation plate through the heat conduction column, and therefore a good heat dissipation effect is achieved. The printing opacity cover can play the guard action to LED luminous component on the one hand, and on the other hand can change the colour of printing opacity cover according to actual need to adjust the luminous colour of LED etc. in order to satisfy different user demands.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides a LED lamp, includes lamp cup, reflector, LED luminous component, its characterized in that: the heat conduction device comprises a heat conduction column and a bottom plate, the bottom plate is connected with the heat dissipation plate, and the heat conduction column is arranged in the center of the light reflection bowl; the LED light-emitting component comprises an installation cylinder, the installation cylinder is sleeved on the heat conducting column, and a plurality of LED lamp beads are arranged in the circumferential direction of the outer side of the installation cylinder.

2. The LED lamp according to claim 1, wherein the mounting cylinder comprises a plurality of substrates, the substrates are connected by an arc-shaped connecting plate to form a cylindrical structure, the cross section of the arc-shaped connecting plate is arc-shaped, the arc-shaped connecting plate comprises an inner metal layer and an outer metal layer, and the thermal expansion coefficient of the outer metal layer is greater than that of the inner metal layer.

3. The LED lamp of claim 2, wherein the outer metal layer is made of aluminum and the inner metal layer is made of iron.

4. The LED lamp of claim 2, wherein the mounting cylinder has a hexagonal cylindrical structure, the heat-conducting pillar has a hexagonal cross-section, and the mounting cylinder is tightly attached to the side surface of the heat-conducting pillar.

5. The LED light fixture of claim 1 wherein the heat conductor and the heat spreader plate are both made of aluminum.

6. The LED lamp according to claim 1, wherein a driver is disposed on the lamp cup, and the LED lamp bead is electrically connected to the driver.

7. The LED lamp of claim 1, wherein the reflector is provided with a center beam, and a middle portion of the center beam abuts against one end of the heat-conducting column.