阅读说明：本技术 一种led车灯 (LED car lamp ) 是由 颜洪军 于 2021-07-12 设计创作，主要内容包括：本发明提供一种LED车灯,包括LED车灯光源模组和LED车灯散热模组,所述LED车灯光源模组固定连接在LED车灯散热模组上,其特征在于,所述LED车灯光源模组,包括铜基板、导热片和LED灯珠；所述导热片设有贯穿通孔,所述导热片固定连接于所述铜基板的侧面；所述LED灯珠设于所述导热片的贯穿通孔内,且固定连接在所述铜基板上。本发明LED车灯中LED车灯光源模组通过在铜基板侧面设置导热片,导热片开有贯穿通孔,LED灯珠设于导热片的贯穿通孔内,固定在铜基板上,增强了LED车灯光源模组的散热能力,从而可以选用功率更大的LED灯珠,提升LED车灯的功率。(The invention provides an LED car lamp, which comprises an LED car lamp light source module and an LED car lamp heat dissipation module, wherein the LED car lamp light source module is fixedly connected to the LED car lamp heat dissipation module; the heat conducting fins are provided with through holes and fixedly connected to the side surfaces of the copper substrates; the LED lamp beads are arranged in the through holes of the heat conducting fins and fixedly connected to the copper substrate. According to the LED car lamp light source module in the LED car lamp, the heat conducting sheet is arranged on the side face of the copper substrate, the heat conducting sheet is provided with the through hole, and the LED lamp beads are arranged in the through hole of the heat conducting sheet and fixed on the copper substrate, so that the heat dissipation capacity of the LED car lamp light source module is enhanced, the LED lamp beads with higher power can be selected, and the power of the LED car lamp is improved.)

1. An LED car lamp comprises an LED car lamp light source module (1) and an LED car lamp heat dissipation module (2), wherein the LED car lamp light source module (1) is fixedly connected to the LED car lamp heat dissipation module (2), and the LED car lamp light source module (1) is characterized by comprising a copper substrate (101), a heat conducting fin (102) and LED lamp beads (103); the heat conducting sheet (102) is provided with a through hole (104), and the heat conducting sheet (102) is fixedly connected to the side surface of the copper substrate (101); the LED lamp beads (103) are arranged in the through holes (104) of the heat conducting fins (102) and fixedly connected to the copper substrate (101).

2. The LED vehicle lamp according to claim 1, wherein the two heat conducting fins (102) are symmetrically arranged on two side surfaces of the copper substrate (101); the LED lamp beads (103) are arranged in two groups, and the two groups of LED lamp beads (103) are symmetrically arranged on two side faces of the copper substrate (101) respectively.

3. The LED vehicle lamp according to claim 2, characterized in that the heat conducting sheet (102) is a copper sheet, and the heat conducting sheet (102) is fixedly connected to the side surface of the copper substrate (101) through a tin layer.

4. The LED vehicle lamp according to claim 3, characterized in that a circuit element is arranged at the bottom of the copper substrate (101), and is electrically connected with the LED lamp bead (103), and the circuit element is also used for being electrically connected with an external circuit.

5. The LED vehicle lamp according to any one of claims 1-4, wherein the LED vehicle lamp heat dissipation module (2) comprises a shell (201) and a fan mechanism (202); the housing (201) comprises a fixing part (2011) and a heat dissipation part (2012); a limiting groove (2013) for fixing the LED car light source module (1) is formed in the fixing part (2011); the heat dissipation part (2012) is cylindrical, and an annular groove (2014) is formed in the inner wall of the heat dissipation part (2012); the fan mechanism (202) is connected with a clamping groove of a heat dissipation part (2012) of the shell (201) through an annular groove (2014).

6. The LED vehicular lamp according to claim 5, wherein the fan mechanism (202) comprises a cylindrical mount (2021) and a fan assembly (2022); the fan assembly (2022) is fixed on the cylindrical fixing piece (2021), and the fan mechanism (202) is connected with the clamping groove of the annular groove (2014) of the heat dissipation part (2012) of the shell (201) through the cylindrical fixing piece (2021).

7. The LED vehicle lamp according to claim 6, wherein the annular groove (2014) is arranged in the middle of the heat dissipating part (2012) so that the cylindrical fixing member (2021) of the fan mechanism (202) and the heat dissipating part (2012) of the housing (201) enclose to form a heat dissipating cavity; the heat dissipation part (2012) of the shell (201) is provided with a wire hole (2019) for a power line to pass through, and the wire hole (2019) is positioned at the upper part of the heat dissipation part (2012) of the shell (201).

8. The LED car lamp according to claim 5, characterized in that a plurality of radiating fins (2015) arranged along the central axis direction of the radiating part (2012) of the shell (201) are connected to the outer wall of the radiating part (2012) of the shell (201), and the adjacent radiating fins (2015) are arranged in a hollow manner.

9. The LED vehicle lamp according to any one of claims 6-8, wherein the housing (201) is formed by connecting a left housing and a right housing; copper base plate (101) and conducting strip (102) relevant position are equipped with fixed orifices (4), be equipped with on left side casing and the right casing with LED car light source module (1) fixed orifices (4) corresponding, fix LED car light source module (1) on LED car light heat dissipation module (2) through fixed orifices (4).

10. The LED car lamp according to claim 9, characterized in that a chuck component (3) is sleeved outside a shell (201) of the heat dissipation module (2) of the LED car lamp; the chuck assembly (3) comprises a chuck (301) and a rubber ring (302); the chuck (301) is sleeved outside the shell (201), and a rubber ring (302) is arranged between the chuck (301) and the shell (201); two L-shaped clamping grooves (303) which are symmetrically arranged are formed in the inner wall of the chuck (301), and two convex blocks (2018) are symmetrically arranged outside the shell (201) so that one convex block (2018) can slide in one L-shaped clamping groove (303).

Technical Field

The invention belongs to the technical field of automobile parts, and particularly relates to an LED automobile lamp.

Background

The existing LED car lamp can not meet the heat dissipation requirement of the car lamp only by common heat dissipation fins and heat dissipation fans due to the low electro-optic conversion efficiency of the LED light source module and the limitation of the space of the inner cavity of the car lamp. The heat dissipation capacity of the car lamp is strong and weak, the power of the LED light source module is directly influenced, and the LED light source module with higher power can be installed only by improving the heat dissipation capacity of the car lamp. The improvement of the heat dissipation capability of the car lamp can be realized mainly by improving the heat dissipation capability of the LED light source module and the heat dissipation capability of the lamp holder (LED heat dissipation module). In the existing LED car lamp, an LED light source module copper substrate is clamped in a lamp holder aluminum shell, so that the heat conduction is poor, meanwhile, the LED lamp bead space is large, and the light condensation degree is poor; the LED heat dissipation module aluminum shell is provided with the tail cover, so that the air flow channel of the fan is influenced, the cost is high, and the power of the LED car lamp is limited.

Based on this, it is good to need to provide an LED car light, and the heat dissipation can select the bigger LED lamp pearl of power, satisfies more demands.

Disclosure of Invention

The invention aims to provide an LED car lamp, which solves the defects that the heat dissipation capacity of the LED car lamp is limited and the requirement of a high-power car lamp cannot be met in the prior art.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

an LED car lamp comprises an LED car lamp light source module and an LED car lamp heat dissipation module, wherein the LED car lamp light source module is fixedly connected to the LED car lamp heat dissipation module; the heat conducting fins are provided with through holes and fixedly connected to the side surfaces of the copper substrates; the LED lamp beads are arranged in the through holes of the heat conducting fins and fixedly connected to the copper substrate.

In the invention, two heat conducting fins are arranged and symmetrically arranged on two side surfaces of the copper substrate; the LED lamp beads are arranged in two groups, and the two groups of LED lamp beads are symmetrically arranged on two side faces of the copper substrate respectively. The LED lamp beads are symmetrically arranged, so that the distance between the two LED lamp beads can be further reduced, the distance between the light emitting points is smaller, and the light condensation degree is better.

Further, each group of LED lamp beads is provided with two. Two lamp beads are arranged through each group of LED lamp beads, so that high beam lamps and dipped headlight switching adjustment can be realized.

The LED lamp beads are fixed to the top of the copper substrate.

In the invention, the heat conducting fin is a copper sheet, and the heat conducting fin is fixedly connected to the side surface of the copper substrate through a tin layer. The heat conducting fins are fixedly connected to the copper substrate through soldering, and heat dissipation is facilitated.

The invention can be improved as follows, the number of the copper substrates is two, and the two copper substrates are fixedly connected. Two copper bases are selected, the heat dissipation effect is better, LED lamp beads with larger power can be selected, and the power requirements of more different types of vehicle lamps are met.

Further, the two copper substrates are connected through a tin layer.

The invention is further improved, the bottom of the copper substrate is provided with a circuit element, the circuit element is electrically connected with the LED lamp bead, and the circuit element is also used for being electrically connected with an external circuit.

The LED vehicle lamp heat dissipation module can be improved as follows, fixing holes are formed in the corresponding positions of the copper substrate and the heat conducting fins, and the LED vehicle lamp light source module is fixed on the LED vehicle lamp heat dissipation module through the fixing holes.

According to the invention, the LED car lamp heat dissipation module comprises a shell and a fan mechanism; the shell comprises a fixed part and a heat dissipation part; a limiting groove for fixing the LED car lamp light source module is arranged in the fixing part; the radiating part is cylindrical, and an annular groove is formed in the inner wall of the radiating part; the fan mechanism is connected with the heat dissipation part clamping groove of the shell through the annular groove.

In the invention, the fan mechanism comprises a cylindrical fixing piece and a fan component; the fan assembly is fixed on the cylindrical fixing piece, and the fan mechanism is connected with the annular groove clamping groove of the shell heat dissipation part through the cylindrical fixing piece.

The invention can be improved in that the annular groove is arranged in the middle of the heat dissipation part, so that the cylindrical fixing piece of the fan mechanism and the heat dissipation part of the shell are surrounded to form a heat dissipation cavity. Through setting up like this, this heat dissipation cavity can be arranged in to the bottom that LED car light source module installed circuit element, is favorable to the heat dissipation of LED car light source module and casing, conveniently is connected with external power source simultaneously.

In the invention, the shell heat dissipation part is provided with a wire hole for a power wire to pass through, and the wire hole is positioned at the upper part of the shell heat dissipation part.

In the invention, the outer wall of the radiating part of the shell is connected with a plurality of radiating fins arranged along the central axis direction of the radiating part of the shell, and the adjacent radiating fins are arranged in a hollow manner. The heat radiating fins have the functions of optimizing the heat conducting channel and isolating and protecting the fan.

The invention can be improved in that the shell is formed by connecting a left shell and a right shell.

Further, the left shell and the right shell are connected through a clamping groove. Through setting up like this, can carry out spacing the matching with left casing and right casing very easily, conveniently be in the same place left casing and right casing assembly.

Furthermore, the left shell is provided with a protrusion and a groove at two contact surfaces of the left shell and the right shell heat dissipation part respectively, and correspondingly, the right shell is provided with a groove and a protrusion matched with the two contact surfaces of the left shell and the right shell heat dissipation part.

Furthermore, fixing holes corresponding to the fixing holes of the LED car light source module are formed in the left shell and the right shell. And the left shell, the right shell and the LED car light source module are fixedly connected through screws for fixing holes.

According to the invention, the shell of the LED car lamp heat dissipation module is sleeved with the chuck assembly.

Further, the chuck assembly comprises a chuck and a rubber ring; the chuck is sleeved outside the shell, and a rubber ring is arranged between the chuck and the shell; the L type draw-in groove that two symmetries set up is seted up to the chuck inner wall, the casing external symmetry is provided with two lugs for a lug can slide in an L type draw-in groove. The locking of the chuck is realized through the elasticity of the rubber ring and the tight abutting of the convex block and the L-shaped clamping groove.

The invention has the following beneficial effects:

(1) according to the LED car lamp light source module in the LED car lamp, the heat conducting sheet is arranged on the side face of the copper substrate, the heat conducting sheet is provided with the through hole, and the LED lamp beads are arranged in the through hole of the heat conducting sheet and fixed on the copper substrate, so that the heat dissipation capacity of the LED car lamp light source module is enhanced, the LED lamp beads with higher power can be selected, and the power of the LED car lamp is improved.

(2) In the invention, two heat conducting fins and two lamp beads are respectively and symmetrically arranged on two sides of the copper substrate, so that the heat dissipation capability of the light source module is further enhanced, the distance between light emitting points is reduced, and the light condensation degree is better; the copper conducting strip passes through tin layer and copper base plate fixed connection, and the heat-sinking capability is stronger, and simultaneously, the copper base plate can also set up two, through tin layer welding, further improves the heat-sinking capability of light source module.

(3) According to the LED car lamp heat dissipation module, the annular groove is formed in the shell, the fan mechanism is fixed in the annular groove, a bottom cover does not need to be additionally arranged at the bottom of the shell, an airflow channel is optimized, and the heat dissipation capacity of the LED car lamp heat dissipation module is improved.

(4) According to the invention, the structure of the LED car light source module and the structure of the LED car light heat dissipation module are optimized, so that the heat dissipation capability of the LED car light is improved, and the LED car light can obtain a larger power range.

Drawings

The invention is described in further detail below with reference to the figures and specific embodiments.

FIG. 1 is a schematic view of the overall structure of an LED vehicle according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the overall structure of the LED vehicular lamp light source module according to the present invention;

FIG. 4 is a front view of the LED vehicle light source module of the present invention;

FIG. 5 is a left side view of the LED vehicle light source module of the present invention;

FIG. 6 is a top view of the LED vehicular lamp light source module of the present invention;

FIG. 7 is a bottom view of the LED vehicle light source module of the present invention;

FIG. 8 is a schematic view of the overall structure of the LED vehicular lamp heat dissipation module of the present invention;

FIG. 9 is a front view of the LED vehicle lamp heat sink module of the present invention;

FIG. 10 is a rear view of the LED vehicle lamp heat sink module of the present invention;

FIG. 11 is a left side view of the LED vehicle lamp heat sink module of the present invention;

FIG. 12 is a right side view of the LED vehicle lamp heat sink module of the present invention;

FIG. 13 is a top view of the LED vehicle lamp heat sink module of the present invention;

FIG. 14 is a bottom view of the LED vehicle lamp heat sink module of the present invention;

FIG. 15 is a schematic view of the internal structure of the housing of the LED vehicular lamp heat dissipation module according to the present invention;

FIG. 16 is a schematic structural diagram of a fan mechanism of a heat dissipation module of an LED vehicular lamp according to the present invention;

FIG. 17 is a schematic view of the internal structure of the LED vehicle lamp heat dissipation module and the LED vehicle lamp light source module according to the present invention;

FIG. 18 is an exploded view of the chuck assembly of the present invention;

FIG. 19 is a schematic view of the overall structure of the chuck of the present invention;

FIG. 20 is a front view of the chuck of the present invention;

FIG. 21 is a rear view of the chuck of the present invention;

FIG. 22 is a left side view of the chuck of the present invention;

FIG. 23 is a top view of the chuck of the present invention;

the drawings are numbered as follows: 1. the LED car light source module; 2. the LED car lamp heat dissipation module; 3. a chuck assembly; 4. a fixing hole; 101. a copper substrate; 102. a heat conductive sheet; 103. LED lamp beads; 104. a through hole; 201. a housing; 202. a fan mechanism; 2011. a fixed part; 2012. a heat dissipating section; 2013. a limiting groove; 2014. an annular groove; 2015. a heat sink; 2016. a protrusion; 2017. a groove; 2018. a bump; 2019. a wire guide hole; 2021. a fixing member; 2022. a fan assembly; 301. a chuck; 302. a rubber ring; 303. an L-shaped clamping groove.

Detailed Description

The LED car lamp shown in the figures 1-19 comprises an LED car lamp light source module 1, an LED car lamp heat dissipation module 2 and a chuck assembly 3, wherein the LED car lamp light source module 1 is fixedly connected to the LED car lamp heat dissipation module 2, and the chuck assembly 3 is sleeved outside the LED car lamp heat dissipation module 2.

LED car light source module 1 includes a copper base plate 101, two conducting strips 102 and two LED lamp pearls 103. The heat conducting strip 102 is a copper sheet, and a rectangular through hole 104 is formed in the heat conducting strip 102. The two heat conductive fins 102 are provided symmetrically with respect to the copper substrate 101, and are fixedly connected to both side surfaces of the copper substrate 101 via tin layers, respectively, which are formed by soldering the heat conductive fins 102 to the copper substrate 101. Two LED lamp pearls 103 fixed connection are at copper base plate 101 top, and set up for copper base plate 101 symmetry, locate respectively in two heat conduction pieces 102's the through-hole 104 that runs through. The LED car light source module 1 is provided with the through holes 104 by the symmetrical arrangement of the LED lamp beads 103 and the combination of the heat conducting fins 102, so that the distance between the light emitting points of the two LED lamp beads 103 is small, and the light condensation degree is better. Two side surfaces of the bottom of the copper substrate 101 are respectively provided with a circuit element (not shown in the figure), the circuit element on each side surface is electrically connected with the LED lamp beads 103 on the same side of the copper substrate 101, and the circuit elements are also used for being electrically connected with an external circuit. Fixing holes 4 are provided at corresponding positions of the copper substrate 101 and the heat conductive sheet 102, and in this embodiment, two fixing holes 4 are provided.

The LED vehicle lamp heat dissipation module 2 includes a housing 201 and a fan mechanism 202.

The housing 201 includes a fixing portion 2011 and a heat dissipating portion 2012. A limiting groove 2013 for fixing the LED car light source module 1 is formed in the fixing portion 2011 of the shell 201; the fixing portion 2011 of the housing 201 is externally and symmetrically provided with two cylindrical protrusions 2018. The fixing portion 2011 is further provided with two fixing holes 4, and these fixing holes 4 are matched with the fixing holes 4 on the copper substrate 101 and the heat conducting fin 102, so that the LED car light source module 1 can be fixed on the housing 201 through screws.

The heat dissipation part 2012 is cylindrical, the inner wall of the heat dissipation part 2012 is provided with an annular groove 2014, and the annular groove 2014 is arranged in the middle of the heat dissipation part 2012. The outer wall of the radiating portion 2012 of the casing 201 is connected with a plurality of radiating fins 2015 arranged along the central axis direction of the radiating portion 2012 of the casing 201, and the adjacent radiating fins 2015 are hollowed out. The heat dissipation part 2012 is provided with wire holes 2019 for the power wires to pass through, and the wire holes 2019 are located at the upper part of the heat dissipation part 2012 of the casing 201.

The fan mechanism 202 includes a cylindrical mount 2021 and a fan assembly 2022; the fan assembly 2022 is fixed on the cylindrical fixing element 2021, and the fan mechanism 202 is connected with the slot 2014 of the heat dissipating portion 2012 of the housing 201 through the cylindrical fixing element 2021, so that the cylindrical fixing element 2021 of the fan mechanism 202 and the heat dissipating portion 2012 of the housing 201 enclose to form a heat dissipating cavity. Through such setting, the bottom of the LED car light source module 1 provided with the circuit element can be arranged in the heat dissipation cavity, so that the heat dissipation of the LED car light source module 1 and the shell 201 is facilitated, and meanwhile, the LED car light source module is conveniently connected with an external power supply through the wire hole 2019.

In this embodiment, the housing 201 is formed by connecting a left housing and a right housing slot. Specifically, the left housing is provided with a protrusion 2016 and a groove 2017 at two contact surfaces with the right housing heat sink 2012, respectively, and accordingly, the right housing is provided with a matching groove 2017 and protrusion 2016 at two contact surfaces with the left housing heat sink 2012. The left shell and the right shell are matched through the protrusion 2016 and the groove 2017, the fixing piece 2021 of the fan mechanism 202 can be conveniently placed into the annular groove 2014 in the shell 201 to be fixedly assembled, and meanwhile, the left shell and the right shell are conveniently limited and assembled.

The chuck assembly 3 comprises a chuck 301 and a rubber ring 302; wherein, the chuck 301 is sleeved outside the shell 201, and a rubber ring 302 is arranged between the chuck 301 and the shell 201. Two L-shaped clamping grooves 303 which are symmetrically arranged are formed in the inner wall of the chuck 301, and two convex blocks 2018 are symmetrically arranged outside the shell 201, so that one convex block 2018 can slide in one L-shaped clamping groove 303. Through the elasticity of rubber circle 302 to and lug 2018 and L type draw-in groove 303 tightly support and lean on, realize the locking of chuck, it is firm to fix like this, can dismantle simultaneously.

The above-described embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and various other modifications, substitutions and alterations can be made to the above-described structure of the present invention without departing from the basic technical concept of the present invention as described above, according to the common technical knowledge and conventional means in the field of the present invention.