Heat dissipation structure of LED car lamp

Abstract

The heat dissipation structure comprises an outer barrel and a lampshade, the outer barrel is fixedly installed on the outer wall of the lampshade, air inlet holes are formed in the position, located on the outer side of the lampshade, of the front vertical face of the outer barrel, the edge surface of the lampshade is fixedly connected with edge heat conduction fins in a penetrating mode, and the back vertical face of the lampshade is fixedly connected with end heat conduction fins in a penetrating mode. An LED base is fixedly installed in the lampshade, and LED lamp beads are installed at one end of the LED base. The LED lamp has the advantages that the air inlet holes, the side heat conduction fins and the end heat conduction fins are adopted, the side heat conduction fins and the end heat conduction fins penetrate through the lampshade to abut against the LED base to transfer heat, when a vehicle runs, airflow enters the outer barrel through the air inlet holes and is exhausted along the exhaust holes, the flowing airflow takes away heat on the surfaces of the side heat conduction fins and the end heat conduction fins, and the heat conduction efficiency is improved. Heat in the LED base and the lampshade is reduced through heat conduction, heat dissipation is carried out, meanwhile, the interior of the lampshade is of a sealed structure and is not affected by dust and moisture, the structure is simpler, and use is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of LED car light, specifically, relate to a heat dissipation structure of LED car light. BACKGROUND

[0002] LED car light refers to the car light that adopts LED as light source. LED car light because emitting diode directly converts into light energy from electric energy, and ordinary car bulb power consumption is only equivalent to traditional lamp 1 / 10, can better save fuel consumption, protect car circuit not to be burnt down by excessively high load current, and has the characteristics of high brightness, rich color variety, low power consumption, long service life.

[0003] After searching, it is found that the application number for CN202123107463.2, the name is a heat dissipation structure of LED car light, the application puts forward the problem that the existing technology has bad heat dissipation, the heat dissipation treatment is not good and is easy to light decay, affects the service life of car light, the heat dissipation structure in the prior art has the defects of complex structure, difficult maintenance and poor heat dissipation effect, in the process of driving, the heavy plate above is moved to the inside of the mounting seat due to the action of inertia in the process of downward vibration, the second sliding rod slides in the air outlet, the air outlet is opened, the gas gathered in the upper end is removed from the air outlet, in the process of upward vibration, the sealing plate is away from the inside of the mounting seat due to the action of inertia, the air inlet is opened, due to the previous heat removal, the pressure in the car light is low, the external cool gas enters the car light through the air inlet, so that the heat transfer is realized, and the heat dissipation effect is achieved, the utility model realizes heat dissipation through the shaking of the vehicle, and has the advantages of simple structure, convenient installation and long service life of the car light, but the vehicle suspension system and damping system are gradually improved at present, the vehicle does not vibrate obviously when driving on smooth road surface, so that the application scene is small, the heat dissipation efficiency is reduced, at the same time, the vehicle cannot vibrate in the static state, cannot vibrate and dissipate heat, has great use limitation, at the same time, the dry filter plate has saturation phenomenon after long time use, which also affects the stability of use, and further improvement can be made.

[0004] For the problems in the related art, no effective solution has been proposed at present. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the defects of the prior art, the utility model provides a heat dissipation structure of LED car light, which has the advantages of improving stability and efficiency, and solves the problems in the above background technology.

[0007] (II) technical scheme

[0008] To realize the above-mentioned advantages of improving stability and efficiency, the specific technical scheme adopted by the utility model is as follows:

[0009] A heat dissipation structure of LED vehicle lamp, including outer tube and lampshade, the outer wall of lampshade is fixedly installed with outer tube, and the vertical surface of outer tube is located on the outside of lampshade and is provided with air inlet hole, and the edge surface of lampshade is fixedly connected with edge heat dissipation fin, the back vertical surface of lampshade is fixedly connected with end heat dissipation fin, and the inside of lampshade is fixedly installed with LED base, and one end of LED base is installed with LED lamp bead, the one end of end heat dissipation fin and edge heat dissipation fin is abutted with LED base, the other end of outer tube is provided with air outlet hole, and the inside of air outlet hole is fixedly installed with air cylinder through support, and the inside of air cylinder is fixedly installed with motor through motor frame, and the output end of motor is installed with fan blade.

[0010] Further, the inside of the outer tube is fixedly installed with a temperature transmitter, and the output end of the temperature transmitter is electrically connected with the input end of the motor.

[0011] Further, the outer tube, lampshade, air cylinder and fan blade are coaxially arranged, and the fan blade and air outlet hole are coaxially arranged.

[0012] Further, the air cylinder is located between the end heat dissipation fin and the air outlet hole.

[0013] Further, the vertical surface of the lampshade is fixedly installed with a lens.

[0014] Further, the air inlet hole is distributed with multiple groups at equal angles along the central axis of the lampshade.

[0015] Further, the edge heat dissipation fin and the end heat dissipation fin are arranged with multiple groups, and the edge heat dissipation fin and the end heat dissipation fin are made of copper sheet.

[0016] Further, the outer surfaces of the edge heat dissipation fin and the end heat dissipation fin are sealingly connected with the outer surface of the lampshade.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a heat dissipation structure of LED vehicle lamp, has the following beneficial effects:

[0019] (1), the utility model discloses air inlet hole, edge heat dissipation fin and end heat dissipation fin, and the edge heat dissipation fin and end heat dissipation fin are abutted with LED base through the lampshade, and heat is transferred, when the vehicle is driving, the airflow enters the outer tube through the air inlet hole, and is discharged along the air outlet hole, and the flowing airflow carries away the heat on the surface of edge heat dissipation fin and end heat dissipation fin, reduces the heat in LED base and lampshade through heat conduction, and dissipates heat, simultaneously, the inside of lampshade is the sealed structure, will not be affected by dust and moisture, and the structure is more simple, and uses more stably.

[0020] (2), the utility model discloses a temperature transmitter, motor and fan blade have been used, when the vehicle is stationary, temperature transmitter detects the temperature in the outer tube, when temperature is too high, temperature transmitter triggers, and motor starts, drives the rotation of fan blade, and the hot air in the outer tube is discharged, and the cold air of outside is along the air inlet hole and is supplemented into the shell, and the heat dissipation under the stationary state is completed, and the stability and efficiency of heat dissipation are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0022] Figure 1 It is the internal structure schematic diagram of the heat dissipation structure of the LED car lamp that the utility model proposes;

[0023] Figure 2 It is the external structure schematic diagram of the heat dissipation structure of the LED car lamp that the utility model proposes;

[0024] Figure 3 It is the external structure schematic diagram of the lampshade that the utility model proposes;

[0025] Figure 4 It is the back view of the heat dissipation structure of the LED car lamp that the utility model proposes.

[0026] In the drawing:

[0027] 1, outer tube;2, lampshade;3, LED base;4, air inlet hole;5, side heat-conducting fin;6, end heat-conducting fin;7, air cylinder;8, fan blade;9, exhaust hole;10, motor frame;11, motor;12, support;13, lens;14, LED lamp bead;15, temperature transmitter. DETAILED DESCRIPTION

[0028] In order to further illustrate each embodiment, the utility model provides drawings, these drawings are part of the disclosure of the utility model, mainly used to explain the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, and the ordinary skill in the art should understand other possible implementation modes and the advantages of the utility model by cooperating with these contents, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0029] According to the embodiment of the utility model, a kind of heat dissipation structure of LED car lamp is provided.

[0030] The utility model further illustrates the present utility model with the specific embodiments and the drawings, like Figures 1-4 As shown in the figure, according to the heat dissipation structure of the LED vehicle lamp, the heat dissipation structure comprises an outer cylinder 1 and a lampshade 2, the outer cylinder 1 is fixedly installed on the outer wall of the lampshade 2, the front vertical surface of the outer cylinder 1 is provided with an air inlet hole 4 on the outer side of the lampshade 2, the edge surface of the lampshade 2 is fixedly connected with a side heat dissipation fin 5, the back vertical surface of the lampshade 2 is fixedly connected with an end heat dissipation fin 6, the LED base 3 is fixedly installed in the lampshade 2, and the LED base 3 is provided with an LED lamp bead 14 at one end, which is a common structure in the field, the end heat dissipation fin 6 and the side heat dissipation fin 5 are in abutment with the LED base 3 at one end, the outer cylinder 1 is provided with an air outlet hole 9 at the other end, the air outlet hole 9 is fixedly installed with a wind cylinder 7 through a support 12, the motor 11 is fixedly installed in the wind cylinder 7 through a motor bracket 10, the fan blade 8 is installed at the output end of the motor 11, the side heat dissipation fin 5 and the end heat dissipation fin 6 are in abutment with the LED base 3 through the lampshade 2, and heat is transferred, when the vehicle is running, the airflow enters the outer cylinder 1 through the air inlet hole 4 and is discharged along the air outlet hole 9, the flowing airflow carries away the heat on the surface of the side heat dissipation fin 5 and the end heat dissipation fin 6, the heat inside the LED base 3 and the lampshade 2 is reduced through heat conduction, and heat dissipation is achieved, at the same time, the inside of the lampshade 2 is a sealed structure and will not be affected by dust and moisture, the structure is simpler, and the use is more stable.

[0031] In one embodiment, the temperature transmitter 15 is fixedly installed in the outer cylinder 1, and the output end of the temperature transmitter 15 is electrically connected with the input end of the motor 11, so as to automatically start and stop the motor 11, thereby further improving the convenience of use, when the vehicle is stationary, the temperature transmitter 15 detects the temperature inside the outer cylinder 1, when the temperature is too high, the temperature transmitter 15 triggers, the motor 11 starts, drives the fan blade 8 to rotate, and the hot air inside the outer cylinder 1 is discharged, the external cold air is supplemented into the shell along the air inlet hole 4, heat dissipation under the stationary state is completed, and the stability and efficiency of heat dissipation are further improved.

[0032] In one embodiment, the outer cylinder 1, the lampshade 2, the wind cylinder 7 and the fan blade 8 are coaxially arranged, the fan blade 8 and the air outlet hole 9 are coaxially arranged, and the air outlet direction of the fan blade 8 is opposite to the air outlet hole 9.

[0033] In one embodiment, the wind cylinder 7 is located between the end heat dissipation fin 6 and the air outlet hole 9, facilitating air exhaust.

[0034] In one embodiment, the front vertical surface of the lampshade 2 is fixedly installed with a lens 13, which is a common structure.

[0035] In one embodiment, a plurality of groups of air inlet holes 4 are distributed at equal angles along the central axis of the lampshade 2, thereby improving the air inlet efficiency.

[0036] In one embodiment, the edge heat conduction fins 5 and the end heat conduction fins 6 are arranged with multiple groups, and the edge heat conduction fins 5 and the end heat conduction fins 6 are made of copper sheets to improve the heat conduction efficiency.

[0037] In one embodiment, the outer surfaces of the edge heat conduction fins 5 and the end heat conduction fins 6 are sealingly connected with the outer surface of the lampshade 2 to avoid water ingress and improve the sealing performance.

[0038] Working principle:

[0039] The edge heat conduction fins 5 and the end heat conduction fins 6 penetrate the lampshade 2 and abut against the LED base 3 to transfer heat. When the vehicle is running, airflow enters the outer cylinder 1 through the air inlet hole 4 and is discharged along the air outlet hole 9. The flowing airflow carries away the heat on the surfaces of the edge heat conduction fins 5 and the end heat conduction fins 6, reduces the heat inside the LED base 3 and the lampshade 2 through heat conduction, and dissipates heat. At the same time, the inside of the lampshade 2 is a sealed structure and is not affected by dust and moisture. The structure is simpler and more stable. When the vehicle is stationary, the temperature transmitter 15 detects the temperature inside the outer cylinder 1. When the temperature is too high, the temperature transmitter 15 triggers, the motor 11 starts, and the fan blade 8 rotates to discharge the hot air inside the outer cylinder 1. The outside cold air enters the shell along the air inlet hole 4 to complete the heat dissipation in the stationary state, further improving the stability and efficiency of heat dissipation.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A heat dissipation structure of an LED vehicle lamp, characterized by, The utility model provides a lamp, including outer tube (1) and lamp shade (2), lamp shade (2) outer wall fixed mounting has outer tube (1), and the outer tube (1) orthosteric surface is located lamp shade (2) outside and is equipped with air inlet hole (4), and the edge surface of lamp shade (2) is fixedly connected with side heat dissipation fin (5) through, lamp shade (2) back vertical surface is fixedly connected with end heat dissipation fin (6) through, and lamp shade (2) inside fixed mounting has LED base (3), and LED base (3) one end is installed LED lamp pearl (14), end heat dissipation fin (6) and side heat dissipation fin (5) one end are all with LED base (3) abut, the other end of outer tube (1) is equipped with exhaust hole (9), and exhaust hole (9) inner side is fixedly installed wind cylinder (7) through support (12), and wind cylinder (7) inside is fixedly installed motor (11) through motor bracket (10), and motor (11) output end is installed fan blade (8).

2. The heat dissipation structure of the LED vehicle lamp according to claim 1, wherein, The outer tube (1) is internally fixedly installed with a temperature transmitter (15), and an output end of the temperature transmitter (15) is electrically connected with an input end of the motor (11).

3. The heat dissipation structure of the LED vehicle lamp according to claim 1, wherein, The outer tube (1), the lamp shade (2), the wind cylinder (7) and the fan blade (8) are coaxially arranged, and the fan blade (8) and the exhaust hole (9) are coaxially arranged.

4. The heat dissipation structure of the LED vehicle lamp according to claim 1, wherein, The wind cylinder (7) is located between the end heat dissipation fin (6) and the exhaust hole (9).

5. The heat dissipation structure of the LED vehicle lamp according to claim 1, wherein, The orthosteric surface of the lamp shade (2) is fixedly installed with a lens (13).

6. The heat dissipation structure of the LED vehicle lamp according to claim 1, wherein, The air inlet hole (4) is equally angularly distributed with multiple groups along the central axis of the lamp shade (2).

7. The heat dissipation structure of the LED vehicle lamp according to claim 1, wherein, The side heat dissipation fin (5) and the end heat dissipation fin (6) are arranged with multiple groups, and the side heat dissipation fin (5) and the end heat dissipation fin (6) are both made of copper sheet.

8. The heat dissipation structure of the LED vehicle lamp according to claim 1, wherein, The outer surfaces of the side heat dissipation fin (5) and the end heat dissipation fin (6) are both sealingly connected with the outer surface of the lamp shade (2).

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