CN211575060U

CN211575060U - Built-in radiator of car LOGO lamp

Info

Publication number: CN211575060U
Application number: CN202020048679.2U
Authority: CN
Inventors: 赵垲东; 陈寅军; 陈培坤
Original assignee: Guangzhou Antolin Lighting
Current assignee: Guangzhou Antolin Lighting
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-09-25
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a built-in radiator of car LOGO lamp relates to light heat abstractor technical field. The heat dissipation structure comprises a shell, a heat dissipation sheet and a fixing screw, wherein a threaded hole is formed in the shell, a boss fixing piece is arranged on the heat dissipation sheet, the fixing screw penetrates through the boss fixing piece and is fixedly connected with the threaded hole, a heat dissipation rib is arranged on the contact surface of the heat dissipation sheet and the shell, and an adhesive overflow groove is formed in the heat dissipation sheet. The utility model discloses a set up the boss mounting and make the fin can fix in the casing, through set up the heat dissipation muscle on the contact surface of fin and casing, make and have a heat dissipation space between casing and the fin, the heat dissipation space can make the air flow wherein to improve the radiating efficiency of fin, the utility model has the advantages of simple structure, convenient to use is convenient for assemble and install.

Description

Built-in radiator of car LOGO lamp

Technical Field

The utility model relates to a light heat abstractor technical field especially relates to a built-in radiator of car LOGO lamp.

Background

When the light of an automobile is illuminated, a circuit board bearing a light emitting diode can continuously generate heat, when the heat generated on the circuit board cannot be diffused in time, a circuit on the whole circuit board is burnt, and even the normal running of the whole automobile can be seriously impressed, so a radiator is often additionally arranged between a light shell and the circuit board, the heat generated by the circuit board is diffused in time through the radiator, the existing radiator commonly used for automobile illumination equipment generally adopts several structures, 1, an external structure, and a heat radiating device is arranged outside the illuminated lamp; 2. and 3, radiating the heat of the independent aluminum piece shell, combining the injection molding piece with an aluminum sheet, and arranging the aluminum sheet externally.

However, these structures have some problems: 1. the external radiator has a large volume and can occupy most of the space of the automobile lighting equipment, and the external radiator cannot be applied to an automobile LOGO lamp with small installation space; 2. the single aluminum piece shell has overweight weight and high cost, increases the weight of the whole automobile, and is easy to break the assembly structure of the automobile body piece in the vibration process after the aluminum piece and the automobile body plastic piece are assembled; 3. the injection molding combines with the aluminum sheet, and the external structural style of aluminum sheet includes that aluminum sheet embedding injection molding mode and aluminum sheet use waterproof cushion mode with between the injection molding, thereby waterproof dustproof nonconforming appears in the risk that the casing can appear bursting under high low temperature state in embedding mode structure wherein. Waterproof cushion mode structure, in the assembling process, waterproof dustproof nonconforming can appear under the cushion assembly is unqualified or the cushion ageing state to lead to the kinetic energy of lamp to become invalid.

SUMMERY OF THE UTILITY MODEL

The utility model provides a built-in radiator of car LOGO lamp to there is bulky, with high costs and ageing back waterproof nature ability reduction's technical problem in the radiator among the solution prior art car LOGO lamp.

The built-in radiator of the automobile LOGO lamp comprises a shell, radiating fins and fixing screws, wherein threaded holes are formed in the shell, boss fixing pieces are arranged on the radiating fins, the fixing screws penetrate through the boss fixing pieces and are fixedly connected with the threaded holes, radiating ribs are arranged on the contact surfaces of the radiating fins and the shell, and glue overflowing grooves are formed in the radiating fins.

Furthermore, a plurality of point contact supporting blocks are arranged on the contact surface of the radiating fin and the shell.

Furthermore, a plurality of point type height-limiting supporting blocks are arranged on the non-contact surface of the radiating fin and the shell.

Furthermore, a plurality of protruding locating blocks are arranged on the shell, notches corresponding to the locating blocks are formed in the radiating fins, and the locating blocks are located in the notches of the radiating fins.

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

one of which, the utility model discloses a fin dispels the heat, thereby it has a heat dissipation space to set up the heat dissipation muscle on the contact surface of fin and casing and make between fin and the casing, thereby the air can flow the heat dissipation of fin with higher speed in the heat dissipation space, cross the heat radiating area that the heat dissipation muscle that sets up can the fin simultaneously, further improve the radiating efficiency of fin, be provided with the boss mounting on the fin, through the set screw with boss mounting and casing fastening each other, set up excessive gluey groove on the heat dissipation muscle, can effectively prevent the excessive time of heat dissipation silicone grease volume through excessive gluey groove, or spill over the casing at vibrations in-process, with this effectively solve among the prior art in the car LOGO lamp radiator have bulky, with high costs and the technical problem that waterproof nature can reduce after ageing.

Secondly, the utility model discloses be provided with point type contact supporting shoe and point type limit for height supporting shoe on two faces of fin respectively, can avoid the difficult risk of assembly that casing or fin deformation produced through the point type contact supporting shoe that sets up, increased the positive flatness precision of fin after the assembly; the contact of the point-type height-limiting supporting block and the circuit board controls the amount of the heat-dissipation silicone grease, improves the heat dissipation performance, increases the flatness precision of the assembled circuit board, and greatly improves the precision of the light source size.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the contact surface between the heat sink and the housing according to the present invention;

FIG. 3 is a schematic structural view of a non-contact surface between a heat sink and a housing according to the present invention;

fig. 4 is a schematic view of the cutting structure of the present invention;

reference numerals: the heat dissipation structure comprises a shell 1, a positioning block 11, a heat dissipation fin 2, a boss fixing piece 21, a heat dissipation rib 22, an adhesive overflow groove 23, a point type contact supporting block 24, a point type height limiting supporting block 25 and a fixing screw 3.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to fig. 1-4, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, but not all of them.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A built-in radiator of an automobile LOGO lamp comprises a shell 1, a radiating fin 2 and a fixing screw 3, wherein a threaded hole is formed in the shell 1, a boss fixing piece 21 is arranged on the radiating fin 2, the fixing screw 3 penetrates through the boss fixing piece 21 to be fixedly connected with the threaded hole, the radiating fin 2 is fixed by the mutual matching of the fixing screw 3 and the threaded hole, a radiating rib 22 is arranged on the contact surface of the radiating fin 2 and the shell 1, the radiating rib 22 is separated between the shell 1 and the radiating fin 2, so that a radiating space is reserved between the shell 1 and the radiating fin 2, air can flow in the radiating space, the radiating efficiency of the radiating fin 2 is improved, meanwhile, the radiating area of the radiating fin 2 can be increased by the arranged radiating rib 22, the radiating efficiency of the radiating fin 2 is further improved, an adhesive overflow groove 23 is formed in the radiating fin 2, the glue overflow groove 23 can effectively prevent the excessive heat dissipation silicone grease or the overflow of the shell 1 in the vibration process.

Preferably, a plurality of point contact support blocks 24 are arranged on the contact surface of the heat sink 2 and the housing 1, and when the heat sink 2 and the housing 1 are fixed to each other by the fixing screws 3, the point contact support blocks 24 are supported between the heat sink 2 and the housing 1, so that the risk of difficult assembly caused by deformation of the housing 1 or the heat sink 2 is avoided, and the accuracy of the flatness of the front surface of the heat sink 2 after assembly is increased.

Preferably, a plurality of point type height-limiting supporting blocks 25 are arranged on the non-contact surface of the radiating fin 2 and the shell 1, the contact between the arranged point type height-limiting supporting blocks 25 and the circuit board controls the amount of radiating silicone grease, the radiating performance is improved, the flatness precision of the assembled circuit board is increased, and the precision of the light source size is greatly improved.

Preferably, a plurality of protruding locating blocks 11 are arranged on the shell 1, notches corresponding to the locating blocks 11 are arranged on the radiating fins 2, the locating blocks 11 are located in the notches of the radiating fins 2, and the radiating fins 2 are located through the locating blocks 11 when the radiating fins 2 are not fixed with the shell 1, so that the radiating fins 2 can be conveniently installed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The built-in radiator of the automobile LOGO lamp is characterized by comprising a shell (1), radiating fins (2) and fixing screws (3), wherein threaded holes are formed in the shell (1), boss fixing pieces (21) are arranged on the radiating fins (2), the fixing screws (3) penetrate through the boss fixing pieces (21) and the threaded holes to be fixedly connected with each other, radiating ribs (22) are arranged on the contact surfaces of the radiating fins (2) and the shell (1), and glue overflowing grooves (23) are formed in the radiating fins (2).

2. The built-in radiator of a LOGO lamp of an automobile according to claim 1, wherein a plurality of point contact support blocks (24) are arranged on the contact surface of the radiating fin (2) and the shell (1).

3. The built-in radiator of a LOGO lamp of an automobile according to claim 1, wherein a plurality of point-type height-limiting supporting blocks (25) are arranged on the non-contact surface of the radiating fins (2) and the shell (1).

4. The built-in radiator of an automotive LOGO lamp according to claim 1, wherein a plurality of protruding positioning blocks (11) are arranged on said housing (1), notches corresponding to the positioning blocks (11) are arranged on said heat sink (2), and said positioning blocks (11) are arranged in the notches of the heat sink (2).