CN211475826U

CN211475826U - LED headlamp

Info

Publication number: CN211475826U
Application number: CN201921969549.6U
Authority: CN
Inventors: 王康森; 蒙定欢; 方岿; 王鹏
Original assignee: Foshan Electrical and Lighting Co Ltd
Current assignee: Foshan Electrical and Lighting Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-09-11
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to a LED headlamp, which comprises a radiator, a shell connected with the radiator, a cooling fan positioned in the radiator, a lamp post connected with the radiator, a red copper tube arranged in the lamp post, a light source arranged on the red copper tube and a chuck used for realizing the connection between the lamp post and the radiator; the copper tube is internally filled with condensate which is fixedly connected with the radiator. The LED headlamp provided by the utility model has the advantages that the arrangement of the red copper tube and the condensate liquid, and the light source is arranged on the red copper tube, so that the heat dissipation is accelerated, and the heat accumulation is prevented from influencing the service life; on the other hand, the heat dissipation efficiency is improved, the power of the LED headlamp can be improved, and the illumination requirement of an automobile is met.

Description

LED headlamp

Technical Field

The utility model relates to an automotive lighting equipment technical field specifically relates to a LED head-light.

Background

Currently, three main categories of LED automobile headlamps exist: halogen lamps, xenon lamps, LED headlamps. The halogen lamp has strong penetrating power, but low luminous efficiency and short service life; the hernia lamp has high brightness, but has long starting time and is not environment-friendly; the LED headlamp is gradually replacing a halogen lamp to become the mainstream of the headlamp, but due to the fact that the heat productivity of the LED lamp bead is large, the space of the headlamp assembly is small, the heat dissipation efficiency is poor, the defects that the service life of the headlamp is short, the light attenuation is serious and the like are easily caused.

The heat dissipation mode of LED plantago headlight is the initiative heat dissipation formula, and the heat of LED lamp pearl leads on aluminium system radiator through light source copper substrate, then utilizes the fan, blows away the heat on the aluminium system radiator heating fin fast, but aluminium system radiator's heat conductivility is limited, and when power exceeded 30W, the heat that LED lamp pearl sent was not enough solved to aluminium system radiator's heat-sinking capability for lamp pearl position temperature is higher and higher, leads to the inefficacy at last.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a LED headlamp, the radiating efficiency is high, and long service life can be high-power LED headlamp.

In order to solve the technical problem, the utility model provides a LED headlamp, which comprises a radiator, a shell connected with the radiator, a cooling fan positioned inside the radiator, a lamp post connected with the radiator, a red copper tube arranged in the lamp post, a light source arranged on the red copper tube and a chuck for realizing the connection between the lamp post and the radiator;

the copper tube is internally filled with condensate which is fixedly connected with the radiator.

Preferably, the device also comprises a temperature controller;

the light source comprises a substrate and LED lamp beads arranged on the substrate;

the temperature controller is arranged on the surface of the substrate and used for monitoring the temperature of the light source in real time.

Preferably, the bottom of the radiator is provided with a fan mounting position which is a cavity arranged at the bottom of the radiator;

the heat radiation fan is positioned in the fan installation position and is fixed on the radiator through screws.

Preferably, the top of the heat sink is provided with a mounting part, and the mounting part is a sleeve arranged on the top of the heat sink;

the copper pipe stretches into inside the installed part, the lamp pole is located with the cover on the installed part.

Preferably, the lamp post is of a tubular structure and comprises a connecting part, a light emitting part and a light emitting hole, wherein the light emitting part is integrally formed with the connecting part, the light emitting hole is located on the light emitting part, the connecting part is sleeved on the mounting part, and the area of the light emitting hole is larger than that of the light source.

Preferably, the copper tube is located inside the lamp post, extends into the mounting piece and is fixed on the mounting piece through heat-conducting glue.

Preferably, the copper tube comprises an embedded part and a mounting part which is integrally formed with the embedded part, and the embedded part is communicated with the inside of the mounting part;

the embedded part extends into the mounting part;

the light source is mounted on the mounting portion.

Preferably, the chuck is sleeved on the connecting part and is in threaded connection with the lamp post to fasten the lamp post on the radiator.

Preferably, the heat sink is made of aluminum and includes a plurality of heat dissipation fins.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the LED headlamp provided by the utility model has the advantages that the arrangement of the red copper tube and the condensate liquid, and the light source is arranged on the red copper tube, so that the heat dissipation is accelerated, and the heat accumulation is prevented from influencing the service life; on the other hand, the heat dissipation efficiency is improved, the power of the LED headlamp can be improved, and the illumination requirement of an automobile is met.

2. The utility model provides a LED headlamp, through temperature controller's setting, the temperature of the control light source that can be better prevents that the high temperature from influencing the life of LED headlamp.

Drawings

Fig. 1 is a schematic structural diagram of an LED headlamp provided by the present invention;

fig. 2 is a schematic view of an internal structure of the LED headlamp provided by the present invention;

fig. 3 is a schematic structural diagram of a heat sink of the LED headlamp provided by the present invention;

fig. 4 is a schematic structural view of a lamp post of the LED headlamp provided by the present invention;

fig. 5 is the utility model provides a copper tube's of LED head-light structural schematic.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-2, an LED headlamp includes a heat sink 1, a housing 2 connected to the heat sink 1, a heat dissipation fan 3 located inside the heat sink 1, a lamp post 4 connected to the heat sink 1, a copper tube 5 installed inside the lamp post 4, a light source 6 installed on the copper tube 5, and a chuck 7 for connecting the lamp post 4 and the heat sink 1;

the copper tube 5 is filled with condensate which is fixedly connected with the radiator 1.

As shown in fig. 3, the heat sink 1 is used for dissipating heat of the LED headlamp, and is made of an aluminum material, and includes a plurality of heat dissipation fins 1a, a fan installation position 11 is disposed at the bottom of the heat sink 1, and is a cavity disposed at the bottom of the heat sink 11, and the heat dissipation fan 3 is located inside the fan installation position 11, so as to accelerate heat dissipation of the heat sink 1.

In order to realize the fixed installation of the copper tube 5 and the lamp post 4, the top of the radiator 1 is provided with an installation part 12, the installation part 12 is a sleeve arranged at the top of the radiator 1, and the copper tube 5 extends into the installation part 12 to realize the fixed installation of the copper tube 5.

The shell 2 is sleeved at the bottom of the radiator 1 and fixed on the radiator 1 through a connecting structure of screws for protecting the radiating fan 3.

The heat dissipation fan 3 is located in the fan installation position 11 inside the heat radiator 1 and fixed on the heat radiator 1 through screws, so that the fixed installation of the heat dissipation fan 3 is realized, the through holes around the heat radiator 1 are circulated after the heat dissipation fan is electrified, the heat radiator 1 can conveniently and quickly dissipate heat, the heat dissipation function of the LED headlamp is realized, the heat accumulation is prevented, and the service life of the LED headlamp is influenced.

As shown in fig. 4, the lamp post 4 is connected to the heat sink 1, sleeved on the mounting member 12, and fixed by the chuck 7, so that the lamp post 4 is fixedly mounted. The lamp pole 4 is used for protecting copper tube 5 and light source 6, and it is the tubular structure, including connecting portion 41, with connecting portion 41 integrated into one piece's light-emitting portion 42 and being located light-emitting hole 43 on the light-emitting portion 42, connecting portion 41 cover is located on the installed part 12, copper tube 5 is located the inside of lamp pole 4, just the area of light-emitting hole 43 is greater than the area of light source 6 guarantees that all light that light source 6 sent can all shoot out.

The copper tube 5 is located inside the lamp post 4 and used for installing the light source 6, heat generated by the light source 6 is timely transmitted out, the copper tube extends into the installation part 12 and is fixed on the installation part 12 through heat conducting glue, and the copper tube 5 is fixedly installed.

In order to improve the heat dissipation efficiency of the red copper tube 5, the inside of the red copper tube is filled with condensate, and the condensate is convected inside the red copper tube at high temperature, so that heat is quickly transferred to a radiator or dissipated out, the heat dissipation efficiency is further improved, and the service life of the LED headlamp is ensured.

Specifically, as shown in fig. 5, the copper tube 5 includes an embedded portion 51 and a mounting portion 52 integrally formed with the embedded portion 51, the embedded portion 51 is communicated with the inside of the mounting portion 52, the embedded portion 51 extends into the mounting portion 52 to realize the fixed mounting of the copper tube 5, and the mounting portion 52 is used for fixedly mounting the light source 6.

Light source 6 install in copper pipe 5's installation department, LED head-light equipment completion back, light source 6 the position with the position phase-match of light-emitting hole 43 is convenient for the light that its produced distributes away through light-emitting hole 43, light source 6 include the base plate with install in LED lamp pearl on the base plate.

Preferably, in order to better monitor the temperature of the light source and prevent the service life of the LED headlamp from being affected by too high temperature, the LED headlamp further comprises a temperature controller 8, wherein the temperature controller 8 is installed on the surface of the substrate of the light source 6 and used for monitoring the temperature of the light source 6 in real time, when the temperature exceeds a preset range, the temperature controller sends a signal to a power supply to reduce the power of the light source and protect the light source 6 from being damaged, so that the service life of the LED headlamp is ensured.

The chuck 7 is used for realizing the connection between the lamp post 4 and the radiator 1, is sleeved on the connecting part of the lamp post 4 and is in threaded connection with the lamp post 4, fastens the lamp post 4 on the radiator 1, and realizes the fixed connection between the radiator and the lamp post 4 of the radiator 1.

The LED headlamp provided by the utility model has the advantages that the arrangement of the red copper tube 5 and the condensate liquid, and the light source 6 is arranged on the red copper tube 5, so that the heat dissipation is accelerated, and the heat accumulation is prevented from influencing the service life; on the other hand, the heat dissipation efficiency is improved, the power of the LED headlamp can be improved, and the illumination requirement of an automobile is met.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. An LED headlamp is characterized by comprising a radiator, a shell connected with the radiator, a radiating fan positioned in the radiator, a lamp post connected with the radiator, a copper tube arranged in the lamp post, a light source arranged on the copper tube and a chuck used for realizing the connection between the lamp post and the radiator;

2. The LED headlamp of claim 1 further comprising a temperature controller;

3. The LED headlamp of claim 1 wherein the bottom of the heat sink has a fan mounting location that is a cavity in the bottom of the heat sink;

4. The LED headlamp of claim 1 wherein the top of the heat sink is provided with a mount, the mount being a sleeve provided on the top of the heat sink;

5. The LED headlamp according to claim 4, wherein the lamp post has a tubular structure and comprises a connecting portion, a light emitting portion integrally formed with the connecting portion, and a light emitting hole located on the light emitting portion, the connecting portion is sleeved on the mounting member, and the area of the light emitting hole is larger than that of the light source.

6. The LED headlamp of claim 4 wherein the copper tube is positioned within the lamp stem, extends into the mount, and is secured to the mount by a thermally conductive adhesive.

7. The LED headlamp of claim 4 wherein the copper tube includes an insert portion and a mounting portion integrally formed with the insert portion, the insert portion communicating with an interior of the mounting portion;

the embedded part extends into the mounting part;

the light source is mounted on the mounting portion.

8. The LED headlamp of claim 5 wherein the chuck is disposed over the connecting portion and threadably engages the lamp stem to secure the lamp stem to the heat sink.

9. The LED headlamp of claim 1 wherein the heat sink is formed of aluminum and includes a plurality of heat dissipating fins.