CN219300586U

CN219300586U - LED automobile lamp

Info

Publication number: CN219300586U
Application number: CN202223577142.3U
Authority: CN
Inventors: 钱文庆; 商国正
Original assignee: Changzhou Qian Fu Plastic Industry Co ltd
Current assignee: Changzhou Qian Fu Plastic Industry Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-04
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of car lamps, in particular to an LED car lamp, which comprises a car lamp shell and a lamp shade, wherein a heat conduction cylinder is arranged in the car lamp shell, a lens is arranged on the heat conduction cylinder, a lamp post is arranged in the heat conduction cylinder, LED lamp beads are arranged on the lamp post, a first heat absorption block is annularly arranged on the inner wall of the heat conduction cylinder, a second heat absorption block is annularly arranged on the outer peripheral wall of the lamp post, a heat dissipation fin is arranged at the bottom of the lamp post, a third heat absorption block is arranged at the bottom of the second heat absorption block, a fan bracket is arranged on the heat dissipation fin, a heat dissipation fan is arranged in the fan bracket, a sealing ring mounting groove is arranged at the joint of the car lamp shell and the lamp shade, a sealing gasket is arranged in the sealing ring mounting groove, and extrusion grooves are arranged on the inner walls at two sides of the sealing gasket.

Description

LED automobile lamp

Technical Field

The utility model belongs to the technical field of car lamps, and particularly relates to an LED car lamp.

Background

The modern automobile has various lighting devices, which are important guarantees of safe and reliable running of the automobile, various lamps such as halogen lamps, hernia lamps, LED lamps and the like, the LED lamps are fast to light, high in brightness and low in energy consumption, and because the LED lighting units are small in size, the LED lamps are widely used on most automobile types at first, but the LED lamps can generate large heat during working, the existing LED lamps conduct heat conduction and heat dissipation only through lamp posts made of heat conducting materials, only a part of heat is transferred from the lamp posts to the outside for heat dissipation, the heat dissipated by the LED lamps cannot be effectively absorbed, the heat dissipation effect is not ideal enough, and the internal elements are easy to damage due to high temperature.

Disclosure of Invention

Aiming at the defects, the utility model provides the LED automobile lamp which can effectively absorb and conduct heat emitted by the LED lamp beads, has good heat dissipation effect, high working stability and long service life, and is not easy to damage due to high temperature.

The technical scheme adopted for solving the technical problems is as follows: the LED car lamp comprises a car lamp shell and a lamp shade arranged on the car lamp shell, wherein a heat conduction cylinder is arranged inside the car lamp shell, a lens is detachably connected to the heat conduction cylinder, a lamp post is arranged at the center of the inside of the heat conduction cylinder, LED lamp beads are arranged on the lamp post, a first heat absorption block is annularly arranged on the inner wall of the heat conduction cylinder, a second heat absorption block is annularly arranged at the bottom of the outer peripheral wall of the lamp post, the top end of the second heat absorption block is abutted against the bottom end of the first heat absorption block, a heat dissipation fin is arranged at the bottom of the lamp post, a third heat absorption block is arranged at the bottom end of the second heat absorption block, one end of the third heat absorption block, far away from the second heat absorption block, is connected with the heat dissipation fin, the heat conduction cylinder and the bottom end of the lamp post are all extended to the outside of the car lamp shell, fixing parts are symmetrically arranged on two sides of the heat dissipation fin, a fan support is arranged on the fixing part, and a heat dissipation fan is arranged in the fan support.

Further, the first heat absorption block is of a strip-shaped structure and is horizontally arranged on the inner wall of the heat conduction cylinder along the axial direction of the heat conduction cylinder.

Further, one side of the second heat absorption block away from the lamp post is abutted against the inner wall of the heat conduction cylinder, and the outer wall of the heat conduction cylinder is provided with a fixing bolt for forming locking force between the inner wall of the heat conduction cylinder and the second heat absorption block.

Further, the car light shell inner wall is provided with the installation through-hole, the installation through-hole inner wall is provided with the internal thread, the heat-conducting cylinder outer wall is provided with the installation piece with installation through-hole assorted, the installation piece surface is provided with the external screw thread.

Further, sealing washer mounting groove has been seted up to the junction of car light casing and lamp shade, is provided with sealing washer in the sealing washer mounting groove, sealing washer both sides inner wall is provided with the extrusion recess, the sealing washer both sides are provided with protruding muscle, extrusion recess and protruding muscle butt to form the extrusion force to protruding muscle, make sealing washer takes place elastic deformation.

Further, a meal protection shell surrounding the heat conduction tube, the heat dissipation fins, the fan support and the heat dissipation fan outside the car lamp shell is arranged at one end of the car lamp shell, and a heat dissipation opening is formed in the protection shell.

The beneficial effects of the utility model are as follows:

according to the LED lamp, the heat-conducting tube, the first heat-absorbing block, the second heat-absorbing block, the third heat-absorbing block, the lamp post, the heat-radiating fins, the fan support and the heat-radiating fan are matched, the LED lamp beads work in the heat-conducting tube, the heat-absorbing area of the heat-conducting tube is effectively increased by the first heat-absorbing block under the same projection surface, heat-radiating heat of the LED lamp beads is fully absorbed and transferred to the second heat-absorbing block through the first heat-absorbing block, then transferred to the third heat-absorbing block from the second heat-absorbing block and transferred to the heat-radiating fins through the third heat-absorbing block, the heat-conducting tube, the first heat-absorbing block, the second heat-absorbing block, the third heat-absorbing block, the lamp post and the heat-radiating fins are mutually matched, heat emitted by the LED lamp beads can be fully absorbed and conducted to the outside, the heat-radiating fan further increases the heat-radiating effect of the LED lamp, so that the LED lamp is better in heat-radiating performance, high in working stability, long in service life and not easy to be damaged by high temperature.

Drawings

The foregoing and other objects, features, and advantages of the utility model will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

Fig. 1 is a front cross-sectional view of the present utility model.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 3 is a schematic top view of the heat conductive cylinder of the present utility model.

Wherein: 1. a lamp housing; 101. mounting through holes; 102. a mounting block; 2. a lamp shade; 3. a heat conduction tube; 4. a lens; 5. a lamp post; 6. LED lamp beads; 7. a first heat sink block; 8. a second heat sink block; 9. a heat radiation fin; 10. a third heat sink block; 11. a fixing part; 12. a fan bracket; 13. a heat dissipation fan; 14. a seal ring mounting groove; 15. a sealing gasket; 16. extruding the groove; 17. convex ribs; 18. a protective housing; 19. and a heat radiation port.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-3, the LED automobile lamp, including lamp housing 1 and lamp shade 2 of setting on lamp housing 1, lamp housing 1 inside is provided with heat conduction section of thick bamboo 3, can dismantle on the heat conduction section of thick bamboo 3 and be connected with lens 4, be provided with annular bordure on the lens 4, annular bordure inner wall and heat conduction section of thick bamboo 3 surface threaded connection, lens 4 makes the spotlight effect of LED lamp pearl 6 better, make the illuminating effect better, the inside center department of heat conduction section of thick bamboo 3 is provided with lamp pole 5, be provided with LED lamp pearl 6 on the lamp pole 5, heat conduction section of thick bamboo 3 inner wall ring-shaped is provided with first heat absorption piece 7, the bottom of lamp pole 5 periphery wall is cyclic annular to be provided with second heat absorption piece 8, the top of second heat absorption piece 8 is inconsistent with the bottom of first heat absorption piece 7, a plurality of first heat absorption piece 7 and second heat absorption piece 8 one-to-one, lamp pole 5 bottom is provided with heat radiation fin 9, second heat absorption piece 8 bottom is provided with third heat absorption piece 10, third heat absorption piece 10 is kept away from second heat absorption piece 8's one end and fin 9 is connected, third heat absorption piece 10 also cyclic annular setting, be provided with lamp pole 10, third heat absorption piece 10 is the heat absorption piece 10, heat conduction piece 5, heat absorption piece 5, heat dissipation piece 5 is made to heat dissipation piece 5, heat absorption piece 5 is all is the heat absorption piece 5, heat dissipation piece 5 is outside, and heat dissipation piece 5, and heat absorption piece 5 is made.

The heat absorption area of the heat conduction tube 3 is effectively increased by the first heat absorption block 7 under the same projection surface, heat dissipation heat of the LED lamp beads 6 is fully absorbed and transferred to the second heat absorption block 8 through the first heat absorption block 7, the third heat absorption block 10 is transferred from the second heat absorption block 8, the third heat absorption block 10 is transferred to the heat dissipation fins 9, heat is further transferred from a plurality of positions to the outside for dissipation, the heat conduction tube 3, the first heat absorption block 7, the second heat absorption block 8, the third heat absorption block 10, the lamp post 5 and the heat dissipation fins 9 are mutually matched, the heat absorption area and the heat dissipation area are effectively increased, the heat dissipated by the LED lamp beads can be fully absorbed and transferred to the outside, the heat dissipation performance of the LED lamp is better, the working stability is high, the service life is long, and the damage caused by high temperature is not easy to generate.

The two sides of the radiating fins 9 are symmetrically provided with the fixing parts 11, the fixing parts 11 are provided with the fan support 12, the fan support 12 and the fixing parts 11 are fixedly assembled through bolts, the radiating fan 13 is arranged in the fan support 12, the radiating fan 13 and the radiating fins 9 are positioned on the same central axis, and the radiating fins 9 are radiated and cooled by guiding external air, so that the radiating effect of the car lamp is further improved.

The first heat absorbing block 7 is of a strip-shaped structure and is horizontally arranged on the inner wall of the heat conducting cylinder 3 along the axial direction of the heat conducting cylinder 3.

One side of the second heat absorption block 8 far away from the lamp post 5 is abutted against the inner wall of the heat conduction cylinder 3, and the outer wall of the heat conduction cylinder 3 is provided with a fixing bolt for forming locking force between the inner wall of the heat conduction cylinder 3 and the second heat absorption block 8, so that the lamp post 5 and the heat conduction cylinder 3 are fixedly assembled.

The car light casing 1 inner wall is provided with installation through-hole 101, and installation through-hole 101 inner wall is provided with the internal thread, and heat conduction section of thick bamboo 3 outer wall is provided with installation through-hole 101 assorted installation piece 102, and installation piece 102 surface is provided with the external screw thread, can install with car light casing 1 through threaded connection after heat conduction section of thick bamboo 3 and lamp pole 5, lens 4 assembly are accomplished, makes the installation dismantlement all more convenient.

The sealing ring mounting groove 14 is formed in the joint of the car lamp shell 1 and the lamp shade 2, the sealing gasket 15 is arranged in the sealing ring mounting groove 14, the extrusion grooves 16 are formed in the inner walls of the two sides of the sealing ring mounting groove 14, the convex ribs 17 are arranged on the two sides of the sealing gasket 15, the extrusion grooves 16 are abutted against the convex ribs 17, extrusion force is formed on the convex ribs 17, so that the sealing gasket 15 and the convex ribs 17 are extruded by the extrusion grooves 16 when the car lamp shell 1 is connected with the lamp shade 2, the sealing gasket 15 and the convex ribs 17 are elastically deformed, a reverse force is generated by the sealing gasket 15 and the convex ribs 17, the sealing gasket is tightly attached to the sealing ring mounting groove 14, the joint of the lamp shade 2 and the car lamp shell 1 is firmly sealed, the lamp shade 2 is positioned in the front of a car and is easily influenced by the external environment, the sealing performance of the car lamp is better, the car lamp can work is more stable, and the service life is longer.

The lamp housing 1 one end is provided with the meal protection casing 18 that forms the surrounding to the outside heat-conducting cylinder 3 of lamp housing 1, radiator fin 9, fan support 12, radiator fan 13, and protection casing 18 passes through bolt and lamp housing 1 fixed assembly, and protection casing 18 protects the outside component of lamp housing 1, reduces the attachment of dust to a certain extent, has seted up thermovent 19 on the protection casing 18, and thermovent 19 is convenient for radiator fan 13 to heat conduction to outside, perhaps guides outside air to inside heat transfer.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification or equivalent variation of the above embodiment according to the technology of the present utility model falls within the scope of the present utility model.

Claims

LED car lamp, including car lamp casing (1) and lamp shade (2) of setting on car lamp casing (1), its characterized in that: the lamp housing (1) is inside to be provided with heat conduction section of thick bamboo (3), can dismantle on heat conduction section of thick bamboo (3) and be connected with lens (4), the inside center department of heat conduction section of thick bamboo (3) is provided with lamp pole (5), be provided with LED lamp pearl (6) on lamp pole (5), heat conduction section of thick bamboo (3) inner wall ring-shaped is provided with first heat absorption piece (7), the bottom ring-shaped of lamp pole (5) peripheral wall is provided with second heat absorption piece (8), the top of second heat absorption piece (8) is inconsistent with the bottom of first heat absorption piece (7), lamp pole (5) bottom is provided with radiator fin (9), second heat absorption piece (8) bottom is provided with third heat absorption piece (10), and the one end that second heat absorption piece (8) were kept away from to third heat absorption piece (10) is connected with radiator fin (9), the bottom of heat conduction section of thick bamboo (3) and lamp pole (5) all extends to outside of lamp housing (1), fin (9) bilateral symmetry is provided with fixed part (11), fan (12) are provided with radiator fan (12) on fixed bolster (12).
2. The LED automotive lamp of claim 1, wherein: the first heat absorption block (7) is of a strip-shaped structure and is horizontally arranged on the inner wall of the heat conduction cylinder (3) along the axial direction of the heat conduction cylinder (3).
3. The LED automotive lamp of claim 1, wherein: one side of the second heat absorption block (8) far away from the lamp post (5) is abutted against the inner wall of the heat conduction cylinder (3), and a fixing bolt for forming locking force between the inner wall of the heat conduction cylinder (3) and the second heat absorption block (8) is arranged on the outer wall of the heat conduction cylinder (3).
4. The LED automotive lamp of claim 1, wherein: the automobile lamp shell is characterized in that an installation through hole (101) is formed in the inner wall of the automobile lamp shell body (1), internal threads are formed in the inner wall of the installation through hole (101), an installation block (102) matched with the installation through hole (101) is arranged on the outer wall of the heat conduction cylinder (3), and external threads are formed in the outer surface of the installation block (102).
5. The LED automotive lamp of claim 1, wherein: the lamp comprises a lamp housing (1) and a lamp shade (2), wherein a sealing ring mounting groove (14) is formed in the joint of the lamp housing (1) and the lamp shade (2), a sealing gasket (15) is arranged in the sealing ring mounting groove (14), extrusion grooves (16) are formed in the inner walls of the two sides of the sealing ring mounting groove (14), convex ribs (17) are arranged on the two sides of the sealing gasket (15), the extrusion grooves (16) are abutted to the convex ribs (17), and extrusion force is formed on the convex ribs (17), so that the sealing gasket (15) is elastically deformed.
6. The LED automotive lamp of claim 1, wherein: one end of the car lamp shell (1) is provided with a meal protection shell (18) which surrounds the heat conduction cylinder (3), the heat dissipation fins (9), the fan bracket (12) and the heat dissipation fan (13) outside the car lamp shell (1), and a heat dissipation opening (19) is formed in the protection shell (18).