CN212644482U

CN212644482U - Automobile combined headlight assembly

Info

Publication number: CN212644482U
Application number: CN202021786721.7U
Authority: CN
Inventors: 罗玉庭; 王龙; 廖治强; 吴震; 蔡恒
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-02
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses an automobile combination headlight assembly, including combination headlight casing with fix ECU on the combination headlight casing, the outside of combination headlight casing is provided with and is used for holding ECU's mounting groove, be provided with the orientation on the ECU the convex connector installation department in mounting groove one side, correspond on the mounting groove the position of connector installation department is provided with the through-hole of stepping down. The utility model provides a pair of automobile combination headlight assembly can promote ECU heat-sinking capability, and the dismantlement of the after-sales maintenance of being convenient for can guarantee near the waterproof performance of ECU connector simultaneously, prevents that water from passing through the inside that the ECU connector got into ECU.

Description

Automobile combined headlight assembly

Technical Field

The utility model relates to an automobile parts technical field, concretely relates to car combination headlight assembly.

Background

In the development of the LED automobile combined headlight assembly, in order to ensure that the LED automobile combined headlight assembly can be normally lighted, an LED driving electronic control unit (hereinafter referred to as ECU) is provided, and in order to ensure that the ECU can normally work, a waterproof treatment needs to be performed near the ECU connector to prevent water from entering the ECU through the ECU connector, and according to a traditional ECU arrangement mode, the ECU is installed in the waterproof LED automobile combined headlight assembly to prevent water from entering the ECU. A large amount of heat can be generated during LED illumination and ECU work, and in the airtight lamp inner space, the air flow is poor, the heat dissipation effect is poor, and the requirement on the high-temperature resistant work of the ECU is high. In addition, if the ECU breaks down, the whole LED automobile combined headlamp assembly needs to be replaced, and the after-sales maintenance cost is high.

Disclosure of Invention

In view of this, the utility model aims at overcoming the defect among the prior art, provide a car combination headlight assembly, can promote ECU heat-sinking capability, the dismantlement of the after-sales maintenance of being convenient for can guarantee near ECU connector waterproof performance simultaneously, prevents that water from passing through the inside that ECU connector got into ECU.

The utility model discloses an automobile combination headlight assembly, including combination headlight casing with fix ECU on the combination headlight casing, the outside of combination headlight casing is provided with and is used for holding ECU's mounting groove, be provided with the orientation on the ECU the convex connector installation department in mounting groove one side, correspond on the mounting groove the position of connector installation department is provided with the through-hole of stepping down.

Further, still include sealed rubber ring, sealed rubber ring's inner circle cover is established on the connector installation department, sealed rubber ring's outer lane with the through-hole interference fit of stepping down.

Furthermore, the inner ring of the sealing rubber ring is a smooth surface, and a plurality of sealing lip edges are arranged on the outer ring of the sealing rubber ring at intervals along the radial direction.

Further, the ECU is connected to the combination headlamp housing by screws.

Further, be provided with N on the ECU and connect the journal stirrup, N be provided with a screw via hole on the connection journal stirrup respectively, it is corresponding N on the combination headlight casing the position of screw via hole be provided with respectively one be used for with screw complex internal thread hole.

Further, N =3, three connect the journal stirrup and include a preceding journal stirrup and two back journal stirrups, preceding journal stirrup is located ECU's front side, two the back journal stirrup is located ECU's rear side, it is three connect the journal stirrup and be triangular distribution.

Further, a cooling fin is arranged on one side, away from the combined headlamp housing, of the ECU.

Further, be provided with on the connector installation department towards the ECU connector of mounting groove, the inside of combination headlight casing is provided with be used for with the combination headlight connector that the ECU connector is connected.

The utility model has the advantages that: the utility model discloses an automobile combined headlight assembly, ECU and mounting groove are located outside the combined headlight shell, the air flow and heat dissipation effect are better than the inside of the combined headlight shell, and the heat dissipation capability of the ECU can be improved; when the ECU breaks down, the ECU can be directly disassembled and replaced without replacing the whole LED automobile combined headlight assembly, so that the after-sale maintenance cost is reduced; meanwhile, the connector mounting part protrudes towards one side of the mounting groove, the connector mounting part extends into the abdicating through hole, and the abdicating through hole is shielded by the ECU, so that the waterproof performance near the ECU connector can be ensured, and water is prevented from entering the ECU through the ECU connector; the sealing rubber ring can further improve the sealing performance of the joint of the connector mounting part and the abdicating through hole; the radiating fins extend out of the mounting grooves, and the radiating capacity of the ECU can be further improved.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic sectional view taken along line a-a of fig. 2.

Description of the main reference numerals: 10-combined headlamp shell, 11-mounting groove, 12-abdicating through hole, 13-combined headlamp plug, 14-internal threaded hole, 20-ECU, 21-connector mounting part, 22-ECU connector, 23-connecting support lug, 24-radiating fin, 30-sealing rubber ring, 31-sealing lip and 40-screw.

Detailed Description

As shown in fig. 1 to 3, the automotive combination headlamp assembly of the present embodiment includes a combination headlamp housing 10 and an ECU20 fixed on the combination headlamp housing 10, wherein an installation groove 11 for accommodating the ECU20 is provided outside the combination headlamp housing 10, the ECU20 is provided with a connector mounting portion 21 protruding toward one side of the installation groove 11, and the installation groove 11 is provided with a relief through hole 12 corresponding to the connector mounting portion 21; an ECU connector 22 facing the mounting groove 11 is provided on the connector mounting portion 21, and a combination headlight plug 13 for connecting with the ECU connector 22 is provided inside the combination headlight housing 10. The ECU20 is mounted on the combination headlight housing 10, a part of the ECU20 is placed in the mounting groove 11, the connector mounting portion 21 can be inserted into the escape through hole 12, so that the ECU connector 22 is connected with the combination headlight plug 13, the ECU20 and the mounting groove 11 are located outside the combination headlight housing 10, and the air flow and heat dissipation effects due to the inside of the combination headlight housing 10 can enhance the heat dissipation capability of the ECU 20; when the ECU20 has a fault, the ECU20 can be directly disassembled and replaced without replacing the whole LED automobile combined headlight assembly, so that the after-sale maintenance cost is reduced; meanwhile, as the connector mounting part 21 protrudes towards one side of the mounting groove 11, the connector mounting part 21 extends into the abdicating through hole 12, and the abdicating through hole 12 is shielded by the ECU20, the waterproof performance near the ECU connector 22 can be ensured, and water is prevented from entering the ECU20 through the ECU connector 22.

In this embodiment, the connector further includes a sealing rubber ring 30, an inner ring of the sealing rubber ring 30 is sleeved on the connector mounting portion 21, and an outer ring of the sealing rubber ring 30 is in interference fit with the abdicating through hole 12. The sealing rubber ring 30 can further improve the sealing performance of the joint of the connector mounting portion 21 and the abdicating through hole 12, and prevent water from entering the interior of the ECU20 through the ECU connector 22.

In this embodiment, the inner ring of the sealing rubber ring 30 is a smooth surface, a plurality of sealing lips 31 are arranged on the outer ring of the sealing rubber ring 30 along the radial direction at intervals, the sealing rubber ring 30 is firstly sleeved on the connector installation part 21 and then is inserted into the yielding through hole 12 together, the installation is simple and convenient, and meanwhile, the sealing performance between the sealing rubber ring 30 and the yielding through hole 12 can be further improved by the plurality of sealing lips 31.

In the present embodiment, the ECU20 is connected to the combination headlamp housing 10 by screws 40. The connection mode through the screw 40 is convenient to detach and low in cost.

In this embodiment, the ECU20 is provided with N connecting lugs 23, the N connecting lugs 23 are respectively provided with a screw through hole, and the combined headlamp housing 10 is provided with an internal threaded hole 14 for engaging with the screw 40 at a position corresponding to the N screw through holes. In this embodiment, N =3, the three connecting lugs 23 include a front lug and two rear lugs, the front lug is located on the front side of the ECU20, the two rear lugs are located on the rear side of the ECU20, and the three connecting lugs 23 are distributed in a triangular shape. The three screws 40 respectively penetrate through the screw through holes and are respectively in threaded connection with the internal threaded holes 14, so that the ECU20 is fixed on the combined headlamp housing 10, the triangle has stability, and the connecting lugs 23 distributed in the triangle can ensure that the ECU20 is reliably connected with the combined headlamp housing 10.

In the present embodiment, the ECU20 is provided with heat radiating fins 24 on the side away from the combination headlight housing 10. The heat sink 24 protrudes outward from the mounting groove 11, which can further improve the heat dissipation capability of the ECU 20.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An automotive combination headlamp assembly, characterized in that: including combination headlight casing (10) and fixing ECU (20) on combination headlight casing (10), the outside of combination headlight casing (10) is provided with and is used for holding the mounting groove (11) of ECU (20), be provided with the orientation on ECU (20) the convex connector installation department (21) in mounting groove (11) one side, correspond on mounting groove (11) the position of connector installation department (21) is provided with yielding through-hole (12).

2. The automotive combination headlamp assembly of claim 1, wherein: still include sealed rubber ring (30), the inner circle cover of sealed rubber ring (30) is established on connector installation department (21), the outer lane of sealed rubber ring (30) with give way through-hole (12) interference fit.

3. The automotive combination headlamp assembly of claim 2, wherein: the inner ring of the sealing rubber ring (30) is a smooth surface, and a plurality of sealing lip edges (31) are arranged on the outer ring of the sealing rubber ring (30) at intervals along the radial direction.

4. The automotive combination headlamp assembly of claim 1, wherein: the ECU (20) is connected to the combination headlamp housing (10) by screws (40).

5. The automotive combination headlamp assembly of claim 4, wherein: be provided with N on ECU (20) and connect journal stirrup (23), N be provided with a screw via hole on connecting journal stirrup (23) respectively, it is corresponding N on combination headlight casing (10) the position of screw via hole be provided with one respectively be used for with screw (40) complex internal thread hole (14).

6. The automotive combination headlamp assembly of claim 5, wherein: n =3, three connect journal stirrup (23) including a preceding journal stirrup and two back journal stirrups, preceding journal stirrup is located the front side of ECU (20), two back journal stirrup is located the rear side of ECU (20), three connect journal stirrup (23) and be triangular distribution.

7. The automotive combination headlamp assembly of claim 1, wherein: a cooling fin (24) is arranged on the side of the ECU (20) far away from the combined headlight shell (10).

8. The automotive combination headlamp assembly of claim 1, wherein: the connector mounting portion (21) is provided with an ECU connector (22) towards one side of the mounting groove (11), and a combined headlight connector (13) used for being connected with the ECU connector (22) is arranged in the combined headlight shell (10).