CN219102778U

CN219102778U - Headlamp driving module

Info

Publication number: CN219102778U
Application number: CN202223154056.1U
Authority: CN
Inventors: 潘明洋; 高坤; 董留成; 关仲新; 罗宗明; 范豪杰; 梁妙玲; 张望全; ***; 苏少宇
Original assignee: Magneti Marelli Automobile Lighting Foshan Co Ltd
Current assignee: Magneti Marelli Automobile Lighting Foshan Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-30
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a headlamp driving module, which is arranged at the rear end of a shell of a headlamp, and comprises a front plug-in shell, a rear heat-dissipation shell and a chip main body arranged between the rear end of the front plug-in shell and the front end of the rear heat-dissipation shell, wherein the rear end of the shell is provided with a mounting area for the front plug-in shell to be mounted, the center of the mounting area is provided with a through hole communicated with an inner cavity of the shell, the outer side of the through hole is provided with a circular positioning annular wall, the front end of the front plug-in shell is convexly provided with a boss, the boss is internally provided with a conducting structure electrically connected with the chip main body, and the front end of the boss is provided with a plug-in seat corresponding to the conducting structure, so that the plug-in shell penetrates into the inner cavity of the shell from the through hole after being clamped into the positioning annular wall by the boss; the rear end of the front plug-in mounting shell is fixed on the front end of the rear heat dissipation shell; the rear end of the heat dissipation rear shell is provided with a plurality of heat dissipation fins at intervals. The utility model improves the heat dissipation efficiency of the chip main body, thereby improving the durability of the chip main body.

Description

Headlamp driving module

Technical Field

The utility model relates to the technical field of headlamps, in particular to a headlamp driving module.

Background

According to the customer demand, in the design and the manufacturing of car light, the combination car light that is formed with multiple function lamp module equipment is main demand trend, and occupation space is few, and the function is various. In the existing combination vehicle lamp, the combination vehicle lamp generally comprises a shell, a position lamp module, a far-near light module and an auxiliary high-beam module, wherein the position lamp module, the far-near light module and the auxiliary high-beam module are installed in the shell. At present, the main problem that the car light appears is that various functions are integrated in the lamp, and different functions need different drive modules to drive, cause that there is the drive of various in the lamp simultaneously the circuit in the lamp also can be very complicated, and the integrated level is lower, and is compact inadequately, difficult heat dissipation, and the cost is higher.

Disclosure of Invention

The utility model aims to provide a headlamp driving module.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the front end of the front plug-in housing is convexly provided with a boss corresponding to the positioning annular wall, the boss is internally provided with a conducting structure electrically connected with the chip main body and a plug-in seat corresponding to the conducting structure, and after the front plug-in housing is clamped into the positioning annular wall through the boss, the plug-in seat penetrates into the inner cavity of the housing; the rear end of the front plug-in mounting shell is fixed on the front end of the rear heat dissipation shell, and the chip main body is sealed between the rear end of the front plug-in mounting shell and the front end of the rear heat dissipation shell; the rear end of the heat dissipation rear shell is provided with a plurality of heat dissipation fins at intervals for dissipating heat of the chip main body.

As a further technical scheme of the utility model: the front plug-in mounting shell is provided with a plurality of elastic buckles extending backwards at intervals along the edge of the front plug-in mounting shell, the rear heat dissipation shell is provided with a plurality of fixing convex blocks at intervals along the edge of the rear heat dissipation shell, and each elastic buckle is correspondingly buckled on one fixing convex block.

As a further technical scheme of the utility model: the installation zone is equipped with first fixed wall and is equipped with the second fixed wall in its top, all protruding a plurality of connection screw that is equipped with on the top surface of first fixed wall and the bottom surface of second fixed wall, the heat dissipation backshell is equipped with a connecting block at its top border and bottom border every connection screw that corresponds, after the terminal of confession bolt passes the connecting block, penetrates in the connection screw, fixes the heat dissipation backshell at the casing rear end.

As a further technical scheme of the utility model: the first fixed wall is in a straight shape, and the second fixed wall is in a U shape.

As a further technical scheme of the utility model: and the front end edge of the heat dissipation back shell is convexly provided with a positioning edge, so that the positioning edge is abutted against the outer wall of the front plug-in mounting shell when the rear end of the front plug-in mounting shell is abutted against and assembled with the front end of the heat dissipation back shell.

As a further technical scheme of the utility model: the inner wall of the positioning edge is concavely provided with a positioning groove, and the end part of the outer wall of the front plug-in mounting shell is round, so that when the front plug-in mounting shell and the rear heat dissipation shell are assembled, the end part of the outer wall of the front plug-in mounting shell is correspondingly clamped into the positioning groove.

As a further technical scheme of the utility model: the side wall of the boss is provided with a plurality of ring-mounting grooves, and sealing rings are arranged in the ring-mounting grooves and abut against the inner side surface of the positioning annular wall when the boss is clamped into the positioning annular wall.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a headlamp driving module, which is characterized in that a chip main body is mounted on the rear end of a shell through the cooperation among a front plug-in mounting shell, a heat dissipation rear shell and a chip main body, and when the heat dissipation rear shell dissipates heat of the chip main body, the heat is prevented from being concentrated on the chip main body for external heat dissipation, so that the heat dissipation efficiency of the chip main body is improved, and the chip main body can be used for integrating and controlling the driving of different driving modules.

Drawings

Fig. 1 is a schematic view of a headlamp drive module mounted to a rear end of a housing. .

Fig. 2 is a schematic view of fig. 1 with the headlamp drive module removed.

Fig. 3 is a first view of the headlamp drive module.

Fig. 4 is a cross-sectional view A-A of fig. 3.

Fig. 5 is a second view of the headlamp drive module.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the scope of the utility model.

Referring to fig. 1 and 2, a headlamp driving module is disclosed, which is mounted at the rear end of a housing 101 of a headlamp and comprises a front mounting shell 10, a rear heat dissipation shell 20 and a chip main body (not shown) mounted between the rear end of the front mounting shell 10 and the front end of the rear heat dissipation shell 20, wherein the housing 101 is formed with a mounting area 102 for mounting the front mounting shell 10 at the rear end thereof, a through hole 103 communicated with an inner cavity of the housing 101 is formed in the center of the mounting area 102, a positioning annular wall 104 is arranged at the outer side of the through hole 103, and a boss 11 corresponding to the positioning annular wall 104 is arranged at the front end of the front mounting shell 10 in a protruding manner, a conductive structure 12 electrically connected with the chip main body is arranged in the boss 11, and a plug seat 13 corresponding to the conductive structure 12 is arranged at the front end of the boss 11, so that the plug seat 13 penetrates into the inner cavity of the housing 101 from the through hole 103 after the boss 11 is clamped into the positioning annular wall 104, and the remaining bus control wire in the inner cavity of the housing 101 is correspondingly connected with the plug main body 101 in an electrical manner, so that the plug is electrically connected with the remaining plug modules; the front plug-in mounting shell 10 is provided with a plurality of elastic buckles 14 extending backwards at intervals along the edge, the rear heat dissipation shell 20 is provided with a plurality of fixing convex blocks 21 at intervals along the edge, each elastic buckle 14 is correspondingly buckled on one fixing convex block 21, the rear end of the front plug-in mounting shell 10 is fixed on the front end of the rear heat dissipation shell 20, and the chip main body is sealed between the rear end of the front plug-in mounting shell 10 and the front end of the rear heat dissipation shell 20; referring to fig. 5, a plurality of heat dissipation fins 22 are disposed at intervals on the rear end of the heat dissipation rear case 20 for dissipating heat from the chip body.

Further, the mounting area 102 is provided with a first fixing wall 105 at the top and a second fixing wall 106 at the bottom, the top surface of the first fixing wall 105 and the bottom surface of the second fixing wall 106 are both provided with a plurality of connecting screw holes 107 in a protruding manner, the heat dissipation back shell 20 is provided with a connecting block 23 at the top edge and the bottom edge of the heat dissipation back shell 20 corresponding to each connecting screw hole 107, and the tail end of the bolt penetrates into the connecting screw holes 107 after penetrating through the connecting block 23, so that the heat dissipation back shell 20 is fixed at the rear end of the shell 101. In this embodiment, the first fixing wall 105 is shaped like a Chinese character ' yi ', and the second fixing wall 106 is shaped like a U '.

Further, the front end of the heat dissipation back shell 20 is provided with a positioning edge 24 along the edge, so that when the rear end of the front plug-in mounting shell 10 is abutted against the front end of the heat dissipation back shell 20, the positioning edge 24 is abutted against the outer wall of the front plug-in mounting shell 10, and the assembly tightness of the front plug-in mounting shell 10 and the heat dissipation back shell 20 is improved. In this embodiment, the inner wall of the positioning edge 22 is concavely provided with a positioning groove 241, and the end of the outer wall of the front plug-in housing 10 is rounded, so that when the front plug-in housing 10 and the rear heat dissipation housing 20 are assembled, the end of the outer wall of the front plug-in housing 10 is correspondingly clamped into the positioning groove 241, thereby further improving the assembly tightness of the front plug-in housing 10 and the rear heat dissipation housing 20.

Further, a plurality of ring-mounting grooves 111 are formed on the side wall of the boss 11, and a sealing ring (not shown) is installed in the ring-mounting grooves 111, so that when the boss 11 is clamped into the positioning annular wall 104, the sealing ring abuts against the inner side surface of the positioning annular wall 104 to perform a sealing function.

It can be appreciated that the method for installing the headlamp driving module of the present utility model is as follows: first, a chip main body is mounted between the rear end of the front plug-in mounting shell 10 and the front end of the rear heat dissipation shell 20, and the chip main body is electrically connected with the conductive structure 12; secondly, each elastic buckle 14 along the front plug-in housing 10 is correspondingly buckled on a fixing lug 21 of the rear heat dissipation housing 20, and the rear end of the front plug-in housing 10 is fixed on the front end of the rear heat dissipation housing 20; thirdly, the front plug-in shell 10 is clamped into the positioning annular wall 104 through the boss 11, and the plug-in seat 13 penetrates into the inner cavity of the shell 101 from the through hole 103; fourth, the end of the bolt is inserted into the connection screw hole 107 after passing through the connection block 23 of the heat dissipation back case 20, and the heat dissipation back case 20 is fixed at the rear end of the housing 101, thereby completing the head lamp driving module and its installation on the rear end of the housing 101.

In summary, according to the headlamp driving module of the present utility model, the chip body is mounted on the rear end of the housing 101 through the cooperation between the front plug-in housing 10, the heat dissipation rear housing 20 and the chip body, and when the heat dissipation rear housing 20 dissipates heat to the chip body, the heat is prevented from being concentrated on the chip body, so that the heat dissipation efficiency of the chip body is improved, and the chip body can be used for integrating and controlling the driving of different driving modules.

Any combination of the various embodiments of the utility model should be considered as being within the scope of the present disclosure, as long as the inventive concept is not violated; within the scope of the technical idea of the utility model, any combination of various simple modifications and different embodiments of the technical proposal without departing from the inventive idea of the utility model should be within the scope of the utility model.

Claims

1. A head lamp driving module, characterized in that: the front end of the front inserting shell (10) is convexly provided with a boss (11) corresponding to the positioning annular wall (104), the boss (11) is internally provided with a conducting structure (12) electrically connected with the chip main body and a plug-in seat (13) corresponding to the conducting structure (12), the front end of the shell (101) is provided with a mounting area (102) for the front inserting shell (10) to be mounted, the center of the mounting area (102) is provided with a through hole (103) communicated with an inner cavity of the shell (101), the outer side of the through hole (103) is provided with a positioning annular wall (104), and the front end of the front inserting shell (10) is convexly provided with a boss (11) corresponding to the positioning annular wall (104), and the boss (11) is internally provided with a plug-in seat (13) corresponding to the conducting structure (12), so that the front inserting shell (10) penetrates into the inner cavity (101) from the through the boss (11) after being clamped into the positioning annular wall (104); the rear end of the front plug-in mounting shell (10) is fixed on the front end of the rear heat dissipation shell (20), and the chip main body is sealed between the rear end of the front plug-in mounting shell (10) and the front end of the rear heat dissipation shell (20); the rear end of the heat dissipation rear shell (20) is provided with a plurality of heat dissipation fins (22) at intervals for dissipating heat of the chip main body.

2. The headlamp drive module of claim 1, wherein: the front plug-in mounting shell (10) is provided with a plurality of elastic buckles (14) extending backwards at intervals along the edge of the front plug-in mounting shell, the rear heat dissipation shell (20) is provided with a plurality of fixing convex blocks (21) at intervals along the edge of the rear heat dissipation shell, and each elastic buckle (14) is correspondingly buckled on one fixing convex block (21).

3. The headlamp drive module of claim 1, wherein: the installation zone (102) is equipped with first fixed wall (105) at its top and is equipped with second fixed wall (106) in its bottom, all protruding a plurality of connection screw (107) that are equipped with on the top surface of first fixed wall (105) and the bottom surface of second fixed wall (106), heat dissipation backshell (20) are equipped with connecting piece (23) at its top border and bottom border every connection screw (107) that correspond, and after the terminal of confession bolt passed connecting piece (23), penetrate in connecting screw (107), fix heat dissipation backshell (20) at casing (101) rear end.

4. A headlamp drive module according to claim 3, wherein: the first fixing wall (105) is in a straight shape, and the second fixing wall (106) is in a U shape.

5. The headlamp drive module of claim 1, wherein: the front end of the heat dissipation back shell (20) is convexly provided with a positioning edge (24) along the edge, and when the rear end of the front plug-in mounting shell (10) is abutted against and assembled with the front end of the heat dissipation back shell (20), the positioning edge (24) is abutted against the outer wall of the front plug-in mounting shell (10).

6. The headlamp drive module of claim 5, wherein: the inner wall of the positioning edge (24) is concavely provided with a positioning groove (241), and the end part of the outer wall of the front plug-in housing (10) is round, so that when the front plug-in housing (10) and the rear heat dissipation housing (20) are assembled, the end part of the outer wall of the front plug-in housing (10) is correspondingly clamped into the positioning groove (241).

7. The headlamp drive module of claim 1, wherein: a plurality of ring mounting grooves (111) are formed on the side wall of the boss (11), and sealing rings are arranged in the ring mounting grooves (111) and abut against the inner side surface of the positioning annular wall (104) when the boss (11) is clamped into the positioning annular wall (104).