CN211821820U

CN211821820U - LED light source

Info

Publication number: CN211821820U
Application number: CN202020459803.4U
Authority: CN
Inventors: 朱功波; 徐越
Original assignee: Nanjing Longshang Photoelectric Technology Co ltd
Current assignee: Nanjing Longshang Photoelectric Technology Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-10-30
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses an LED light source, which comprises an LED light source body, a circuit board for installing the LED light source body, a heat conducting plate fixedly connected with the circuit board and a shell used for limiting the position of the heat conducting plate, the lamp holder is fixedly connected with the center position of the bottom end of the shell, the installation cavity is arranged in the shell, the installation cavity is respectively provided with an installation plate for installing a heat radiation fan and a second heat radiation fin fixedly connected with the installation plate, the bottom end of the second radiating fin and the mounting plate are arranged in a right-angle structure, one end of the second radiating fin far away from the mounting plate is vertically welded with the lower end surface of the heat conducting plate, the heat-conducting plate and the relative parallel arrangement of mounting panel, heat-conducting plate and shell joint, heat-conducting plate up end central point puts fixedly connected with circuit board, circuit board up end fixedly connected with LED light source body. This LED light source, reasonable in design has the advantage that the radiating efficiency is high.

Description

LED light source

Technical Field

The utility model belongs to the technical field of the LED, concretely relates to LED light source.

Background

The light emitting diode, abbreviated As LED, refers to a kind of semiconductor diode made of a compound containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc. and capable of converting electric energy into light energy.

The heat dissipation effect of the LED directly influences the luminous intensity and the service life of the LED in the using process, and particularly for high-power LEDs, the heat dissipation of the LED is more important. At present, the traditional heat dissipation mode is to directly stick and weld the LED on the heat dissipation substrate, but the heat dissipation effect of the mode is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED light source to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an LED light source comprises an LED light source body, a circuit board for mounting the LED light source body, a heat conducting plate fixedly connected with the circuit board and a shell for limiting the position of the heat conducting plate, wherein a lamp holder is fixedly connected with the center of the bottom end of the shell, a mounting cavity is arranged in the shell, a mounting plate for mounting a heat radiating fan and a second heat radiating fin fixedly connected with the mounting plate are respectively arranged in the mounting cavity, and the bottom end of the second heat radiating fin is arranged in a right-angle structure with the mounting plate;

one end, far away from the mounting plate, of the second radiating fin is vertically welded with the lower end face of the heat conducting plate, the heat conducting plate and the mounting plate are arranged in parallel relatively, and the heat conducting plate is clamped with the shell;

the LED lamp comprises a heat-conducting plate, and is characterized in that a circuit board is fixedly connected to the center of the upper end face of the heat-conducting plate, an LED light source body is fixedly connected to the upper end face of the circuit board, a limiting part is fixedly connected to the upper end face of the heat-conducting plate, and a connecting part used for limiting the position of a lampshade is fixedly connected to the upper end face of.

Preferably, the shell is of a cylindrical structure, a first clamping groove is formed in the inner edge of the top end of the shell, the heat conducting plate is of a circular plate-shaped structure, and a second clamping groove matched with the first clamping groove is formed in the position, where the shell is located, of the outer side of the heat conducting plate.

Preferably, the outer side of the housing is fixedly connected with a plurality of first radiating fins, the first radiating fins are radially arranged by taking the center of the housing as a circle center, and one end of each first radiating fin is in contact with one side of the limiting part.

Preferably, the locating part and the connecting part are both of circular ring structures, the connecting part is in threaded connection with the lampshade, the locating part is sleeved on the circuit board, the circuit board is of a circular plate-shaped structure, and the diameter of the locating part is larger than that of the heat-conducting plate and the diameter of the shell respectively.

Preferably, one end of the outer side of the shell, which is close to the lamp holder, is provided with a plurality of radiating holes communicated with the mounting cavity, and radiating nets are embedded in the radiating holes.

Preferably, the second radiating fins are relatively parallelly provided with a plurality of groups, every two adjacent groups of radiating channels are arranged between the second radiating fins, each radiating channel is provided with a plurality of groups, the mounting plate is provided with a mounting hole for mounting a radiating fan, and the radiating channels are communicated with the mounting holes.

The utility model discloses a technological effect and advantage: this LED light source, the heat-conducting plate, a housing, first fin and second fin are the metal material, the metal material has the advantage that the heat conduction effect is good, design through first draw-in groove and second draw-in groove, and then be convenient for be connected heat-conducting plate and shell, also be equipped with heat dissipation channel between adjacent two sets of first fin, and then the shell of being convenient for dispels the heat, the locating part and then can inject the position of first fin, the design of louvre and radiating mesh, be convenient for the inside circulation of air of shell, the heat dissipation fan that is located on the mounting panel can blow towards heat dissipation channel in, heat dissipation channel and installation cavity intercommunication, and then can accelerate the inside circulation of air of installation cavity, also can accelerate the radiating efficiency of second fin simultaneously, this LED light source, reasonable design, has the advantage that radiating efficiency is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a perspective view of a second heat sink of the present invention.

In the figure: the LED lamp comprises a lamp cap 1, heat dissipation holes 2, a heat dissipation net 3, a shell 4, a first heat dissipation fin 5, a lampshade 6, a mounting plate 7, a heat conduction plate 8, a connecting piece 9, an LED light source body 10, a mounting cavity 11, a heat dissipation fan 12, a second heat dissipation fin 13, a first clamping groove 14, a limiting part 15, a circuit board 16, a heat dissipation channel 17 and a second clamping groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a LED light source as shown in fig. 1-3, including LED light source body 10, be used for installing circuit board 16 of LED light source body 10, with circuit board 16 fixed connection's heat-conducting plate 8 and be used for injecing shell 4 of heat-conducting plate 8 position, shell 4 bottom central point puts fixed connection lamp holder 1, shell 4 is inside to be equipped with installation cavity 11, installation cavity 11 is inside to be equipped with respectively and to be used for installing heat dissipation fan 12's mounting panel 7 and with mounting panel 7 fixed connection's second fin 13, and be the right angle structural arrangement between second fin 13 bottom and the mounting panel 7, be equipped with the power in the lamp holder 1, power and LED light source body 10, circuit board 16 electric connection, power still with heat dissipation fan 12 electric connection;

one end, far away from the mounting plate 7, of the second radiating fin 13 is vertically welded with the lower end face of the heat conducting plate 8, the heat conducting plate 8 and the mounting plate 7 are arranged in parallel relatively, the heat conducting plate 8 is connected with the shell 4 in a clamped mode, the heat conducting plate 8, the shell 4, the first radiating fin 5 and the second radiating fin 13 are made of metal materials, the metal materials have the advantage of good heat conducting effect, and the heat conducting plate 8, the shell 4, the first radiating fin 5 and the second radiating fin 13 are coated with insulating paint;

fixedly connected with circuit board 16 is put to 8 up end central points of heat-conducting plate, 16 up end fixedly connected with LED light source bodies 10 of circuit board, 8 up end still fixedly connected with locating part 15 of heat-conducting plate, 15 up end fixedly connected with of locating part are used for injecing connecting piece 9 of 6 positions of lamp shade, and one side that connecting piece 9 was kept away from to lamp shade 6 is outside protrusion structure, and lamp shade 6 is white glass material, through the design of connecting 9 to the installation of lamp shade 6 of being convenient for.

Specifically, the shell 4 is of a cylindrical structure, a first clamping groove 14 is formed in the inner edge of the top end of the shell 4, the heat conducting plate 8 is of a circular plate-shaped structure, a second clamping groove 18 matched with the first clamping groove 14 is formed in the position, where the shell 4 is located, of the outer side of the heat conducting plate 8, and therefore the heat conducting plate 8 and the shell 4 are conveniently connected.

Specifically, the first heat dissipation fins 5 are fixedly connected to the outer side of the housing 4, the first heat dissipation fins 5 are radially arranged in a plurality of groups by taking the center of the housing 4 as a circle center, one end of each first heat dissipation fin 5 is in contact with one side of the limiting part 15, and a heat dissipation channel 17 is also arranged between every two adjacent groups of first heat dissipation fins 5, so that the housing 4 can dissipate heat conveniently.

Specifically, locating part 15, connecting piece 9 are the ring annular structure, connecting piece 9 and 6 threaded connection of lamp shade, locating part 15 cover is put on circuit board 16, circuit board 16 is circular platelike structure, the diameter of locating part 15 is greater than the diameter of heat-conducting plate 8, shell 4 respectively, and locating part 15 and then can prescribe a limit to the position of first fin 5.

Specifically, 4 one ends of the outside of shell near lamp holder 1 seted up with the louvre 2 of installation cavity 11 intercommunication, louvre 2 is equipped with the multiunit, the heat dissipation net 3 is installed to inlay in the louvre 2, and the design of louvre 2 and heat dissipation net 3 is convenient for this LED light source body 10 to dispel the heat.

Specifically, the second fin 13 is equipped with the multiunit, adjacent two sets of relatively parallelly connected be equipped with heat dissipation channel 17 between the second fin 13, heat dissipation channel 17 is equipped with the multiunit, set up the mounting hole that is used for installing heat dissipation fan 12 on the mounting panel 7, heat dissipation channel 17 and mounting hole intercommunication, heat dissipation fan 12 that is located on the mounting panel 7 can blow towards heat dissipation channel 17 is interior, and heat dissipation channel 17 and installation cavity 11 intercommunication, and then can accelerate the inside circulation of air of installation cavity 11, also can accelerate the radiating efficiency of second fin 13 simultaneously.

The working principle is as follows: this LED light source, when using, heat-conducting plate 8 can be with the leading-in second fin 13 and heat dissipation channel 17 of the heat of LED light source body 10 on the circuit board 16 in, heat dissipation fan 12 that is located on mounting panel 7 can blow towards heat dissipation channel 17 in, heat dissipation channel 17 and installation cavity 11 intercommunication, and then can accelerate the inside circulation of air of installation cavity 11, also can accelerate the radiating efficiency of second fin 13 simultaneously, when heat dissipation fan 12 carries out work, first fin 5 also can be with the heat in the shell 4 in leading out heat dissipation channel 17, and then reach and carry out radiating purpose to LED light source body 10, this LED light source, reasonable in design, has the advantage that the radiating efficiency is high.

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 scope of the invention.

Claims

1. An LED light source, comprising an LED light source body (10), a circuit board (16) for mounting the LED light source body (10), a heat conducting plate (8) fixedly connected with the circuit board (16) and a shell (4) for limiting the position of the heat conducting plate (8), characterized in that: the lamp holder (1) is fixedly connected to the center of the bottom end of the shell (4), a mounting cavity (11) is formed in the shell (4), a mounting plate (7) used for mounting a heat dissipation fan (12) and a second heat dissipation fin (13) fixedly connected with the mounting plate (7) are respectively arranged in the mounting cavity (11), and the bottom end of the second heat dissipation fin (13) and the mounting plate (7) are arranged in a right-angle structure;

one end, far away from the mounting plate (7), of the second radiating fin (13) is vertically welded with the lower end face of the heat conducting plate (8), the heat conducting plate (8) and the mounting plate (7) are arranged in parallel relatively, and the heat conducting plate (8) is clamped with the shell (4);

heat-conducting plate (8) up end central point puts fixedly connected with circuit board (16), up end fixedly connected with LED light source body (10) on circuit board (16), heat-conducting plate (8) up end still fixedly connected with locating part (15), locating part (15) up end fixedly connected with is used for injecing connecting piece (9) of lamp shade (6) position.

2. An LED light source as claimed in claim 1, wherein: the shell (4) is of a cylindrical structure, a first clamping groove (14) is formed in the inner edge of the top end of the shell (4), the heat conducting plate (8) is of a circular plate-shaped structure, and a second clamping groove (18) matched with the first clamping groove (14) is formed in the position, located on the shell (4), of the outer side of the heat conducting plate (8).

3. An LED light source as claimed in claim 1, wherein: the outer side of the shell (4) is fixedly connected with a first radiating fin (5), a plurality of groups of the first radiating fin (5) are radially arranged by taking the center of the shell (4) as a circle center, and one end of the first radiating fin (5) is in contact with one side of the limiting part (15).

4. An LED light source as claimed in claim 3, wherein: locating part (15), connecting piece (9) are the ring structure, connecting piece (9) and lamp shade (6) threaded connection, locating part (15) cover is put on circuit board (16), circuit board (16) are circular platelike structure, the diameter of locating part (15) is greater than the diameter of heat-conducting plate (8), shell (4) respectively.

5. An LED light source as claimed in claim 1, wherein: one end, close to the lamp holder (1), of the outer side of the shell (4) is provided with heat dissipation holes (2) communicated with the installation cavity (11), multiple groups of heat dissipation holes (2) are arranged, and heat dissipation nets (3) are embedded in the heat dissipation holes (2).

6. An LED light source as claimed in claim 1, wherein: the second fin (13) are parallel relatively and are equipped with the multiunit, and are adjacent two sets of be equipped with heat dissipation channel (17) between second fin (13), heat dissipation channel (17) are equipped with the multiunit, offer the mounting hole that is used for installing heat dissipation fan (12) on mounting panel (7), heat dissipation channel (17) and mounting hole intercommunication.