CN209944227U

CN209944227U - Automobile headlight assembly

Info

Publication number: CN209944227U
Application number: CN201920472488.6U
Authority: CN
Inventors: 周宇; 周猛
Original assignee: Zhejiang Tianchong Vehicle Lamp Group Co Ltd
Current assignee: Zhejiang Tianchong Vehicle Lamp Group Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-01-14
Anticipated expiration: 2029-04-09

Abstract

The utility model belongs to the technical field of car optical assembly, a car headlight assembly is related to. It includes the support, support one end be equipped with lens, the other end is equipped with the radiating block, still is equipped with lamp plate subassembly and speculum mechanism on the support, the support on still be equipped with the corresponding fan in radiating block position, be connected with on the support and enclose the kuppe of establishing in the radiating block outside, the opening of this kuppe is towards lens. The utility model discloses having configured the kuppe after, the air can directly cool off the headlight surface, cooperates the radiating block after, reaches the effect to the whole rapid cooling of headlight to accelerate heat transfer speed, extension headlight life.

Description

Automobile headlight assembly

Technical Field

The utility model belongs to the technical field of car optical assembly, a car headlight assembly is related to.

Background

As is known, the LED headlamp has a large heat value, and when the LED headlamp continuously operates in a high-temperature environment, the LED headlamp has low power, light attenuation, reduced lifetime, and failure, and thus the heat dissipation performance of the LED headlamp determines the service life to a certain extent. The heat dissipation of the prior art mainly depends on two types, namely a heat dissipation belt and a fan, from the working mode, the fan actively dissipates heat, and the heat dissipation belt passively dissipates heat.

When using the fan heat dissipation, the radiating block of arranging usually, on the radiating block transmitted the lamp plate heat to the radiating block through heat-conduction, the fan carried out the heat transfer through the circulation of air to the radiating block, reached rapid cooling's effect. In the air circulation process, the air around the headlamp is in a non-directional flow direction to the radiating block, so that a directional flow guide effect cannot be formed, in other words, the air around the lamp panel cannot be directly guided to the radiating block to perform heat exchange treatment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide an automobile headlamp assembly.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides an automobile headlamp assembly, includes the support, support one end be equipped with lens, the other end is equipped with the radiating block, still be equipped with lamp plate subassembly and speculum mechanism on the support, the support on still be equipped with the corresponding fan in radiating block position, be connected with on the support and enclose the kuppe of establishing in the radiating block outside, the opening of this kuppe is towards lens.

In the automobile headlamp assembly, the connecting part of the air guide sleeve and the support is in sealing connection, the inner surface of the air guide sleeve is in an arc shape, the heat dissipation block comprises a plurality of heat dissipation fins which are arranged in parallel, and the two ends of each heat dissipation fin respectively extend out of the upper surface and the lower surface of the support.

In the automobile headlamp assembly, the reflector mechanism comprises a first reflector component and a second reflector component which are connected with each other, the first reflector component and the second reflector component are respectively positioned at two sides of the support, the fan is positioned on the first reflector component, the radiating block is positioned between the first reflector component and the second reflector component and corresponds to the fan, the air guide sleeve is arranged on the second reflector component, and the air guide sleeve is arranged outside the end part of the radiating block far away from the fan.

In the automobile headlamp assembly, the second reflector component is internally provided with a radiating block accommodating cavity, the air guide sleeve is positioned outside the radiating block accommodating cavity, the radiating block is inserted into the radiating block accommodating cavity, the first reflector component is provided with an air inlet cavity matched with the fan, and the position of the air inlet cavity corresponds to the position of the radiating block.

In foretell car headlight assembly, the lamp plate subassembly is including setting up lamp plate and stainless steel light baffle subassembly on the support.

In the automobile headlamp assembly, the lamp panel is provided with the plurality of lamp beads, and the connecting lines of the central points of the plurality of lamp beads are not on the same straight line.

In the automobile headlamp assembly, the stainless steel light baffle plate assembly comprises a stainless steel light baffle plate and a stainless steel support plate which are connected in a fitting mode, a light transmitting groove is formed in one end, close to the lens, of the stainless steel light baffle plate, a reinforcing groove is formed in one end, close to the lens, of the stainless steel support plate, and the projection of the light transmitting groove in the vertical direction completely covers the reinforcing groove.

In the automobile headlamp assembly, the edges of the light transmitting groove and the reinforcing groove are respectively arc-shaped, the stainless steel light shielding plate and the stainless steel support plate are respectively provided with flanging riveting holes in one-to-one correspondence, and the two sides of the stainless steel light shielding plate and the stainless steel support plate are respectively provided with clamping grooves in one-to-one correspondence.

In the automobile headlamp assembly, the bracket is provided with two light barrier steps which are symmetrically arranged along the central line of the bracket, two sides of the stainless steel light barrier and the stainless steel support plate are respectively connected with one light barrier step, and the thicknesses of the stainless steel light barrier and the stainless steel support plate are respectively 0.1mm and 0.4 mm.

In the automobile headlamp assembly, the support is provided with a lamp panel heat dissipation connecting plate protruding out of the surface of the support, the lamp panel is fixedly connected with the lamp panel heat dissipation connecting plate, and the lamp panel heat dissipation connecting plate is connected with a heat dissipation block.

Compared with the prior art, the utility model has the advantages of:

1. after the dome is configured, the air can directly cool the surface of the headlamp, and the effect of quickly cooling the whole headlamp is achieved after the dome is matched with the radiating block, so that the heat exchange speed is accelerated, and the service life of the headlamp is prolonged.

2. Adopt assembled complex steel barn door and stainless steel backup pad, the effectual holistic thickness that has reduced the structure that is in the light, the light type of being convenient for adjust, and the material easily obtains, structural strength is high, low in production cost.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is an exploded view of the present invention.

FIG. 4 is a schematic structural view of a steel baffle assembly.

Fig. 5 is an exploded view of fig. 4.

In the figure: support 1, lens 2, radiating block 3, lamp plate subassembly 4, reflector mechanism 5, fan 6, kuppe 7, fin 8, first reflector assembly 9, second reflector assembly 10, radiating block holding chamber 11, air inlet chamber 12, lamp plate 13, steel barn door subassembly 14, steel barn door 15, stainless steel backup pad 16, light trap 17, reinforced groove 18, turn-ups riveting hole 19, draw-in groove 20, barn door step 21, lamp plate heat-sinking connection board 22.

The arrows in fig. 2 are the air flow directions.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, an automobile headlamp assembly comprises a support 1, one end of the support 1 is provided with a lens 2, the other end of the support is provided with a heat dissipation block 3, the heat dissipation block 3 is formed by connecting a plurality of heat dissipation fins which are arranged in parallel, the support 1 is further provided with a lamp panel assembly 4 and a reflector mechanism 5, the support 1 is further provided with a fan 6 corresponding to the heat dissipation block 3, the support 1 is connected with a flow guide cover 7 which is arranged outside the heat dissipation block 3 in a surrounding mode, and an opening of the flow guide cover 7 faces the lens 2.

In this embodiment, a pod 7 is provided, the pod 7 opening towards the lens 2, and, when the fan is started, the fan is arranged to rotate in a direction to enable wind to pass through the radiating block and blow out from the fan, which is equivalent to the effect that the fan sucks the radiating block 3, and air flows into the radiating block 3 from the opening of the air guide sleeve 7, since the air guide sleeve 7 is opened towards the lens 2, hot air generated by heating the lens 2 can be directly sucked from the air guide sleeve 7 and enter the heat dissipation block, the air with lower external temperature flows to the vicinity of the lens 2, namely the air plays a role in heat exchange for the lens and the lamp panel component 4, and on the other hand, the cooperation of radiating block and fan is direct again carries out the heat transfer through heat-conduction to the lamp plate subassembly, makes the temperature that the lamp plate subassembly also was whole headlight obtain quick cooling to improve the performance of headlight, prolong the life of headlight.

In this embodiment, the connection between the air guide sleeve 7 and the support 1 is sealed, the inner surface of the air guide sleeve 7 is arc-shaped, so that the airflow can smoothly flow, the heat dissipation block 3 includes a plurality of heat dissipation fins 8 arranged in parallel, and the two ends of each heat dissipation fin 8 respectively extend out of the upper and lower surfaces of the support 1, thereby achieving the effect of uniform heat exchange at the two sides.

Referring to fig. 2 and 3, the reflector mechanism 5 includes a first reflector assembly 9 and a second reflector assembly 10 connected to each other, the first reflector assembly 9 and the second reflector assembly 10 are respectively located at two sides of the bracket 1, the fan 6 is located on the first reflector assembly 9, the heat dissipation block 3 is located between the first reflector assembly 9 and the second reflector assembly 10, the heat dissipation block 3 corresponds to the fan, the air guide sleeve 7 is disposed on the second reflector assembly 10, and the air guide sleeve 7 is enclosed outside the end of the heat dissipation block 3 away from the fan 6, that is, the air guide sleeve 7 and the fan 6 are respectively located at two ends of the heat dissipation block 3.

Be equipped with radiating block holding chamber 11 in the second mirror subassembly 10, kuppe 7 is located radiating block holding chamber 11 outsidely, and radiating block 3 inserts in radiating block holding chamber 11, first mirror subassembly 9 on be equipped with the air inlet chamber 12 that matches with fan 6 and fit, the position of air inlet chamber 12 corresponding with radiating block 3's position, air inlet chamber 12 plays the cushioning effect, makes radiating block 3 can fully exchange heat with the air, improves the heat transfer effect.

Referring to fig. 2 and 3, the light panel assembly 4 includes a light panel 13 disposed on the bracket 1 and a light barrier assembly 14 made of steel.

The lamp panel 13 is provided with a plurality of lamp beads, and the connection lines of the central points of the lamp beads are not on the same straight line. One skilled in the art should understand that the number of the lamp beads can be one, or two or more. When there are a plurality of lamp beads, in order to improve the utilization rate of the light source, the non-linear configuration is adopted in this embodiment, so as to improve the utilization rate of the light source of the LED lamp bead. Preferably, this embodiment adopts three lamp pearls, and a lamp pearl is in the middle of lamp plate 13, and this lamp pearl both sides set up a lamp pearl respectively, and the lamp pearl of both sides and the contained angle between the lamp pearl in the middle of be the obtuse angle.

The lamp beads 1 are not on the same straight line, so that the light type is convenient to adjust.

In the prior art, the light barrier and the support plate are of an integrated structure, a cast aluminum plate is adopted, and the light type is influenced due to the fact that the light barrier is machined and formed by a CNC machine tool. On the other hand, the cast aluminum plate material is expensive and not easy to obtain, and is machined by a CNC machine tool, so that the number of procedures is large, and the production cost is increased.

As shown in fig. 4 and 5, the steel light barrier assembly 14 includes a steel light barrier 15 and a stainless steel support plate 16, which are attached to each other, a light transmission groove 17 is formed in one end of the steel light barrier 15, which is close to the lens, a reinforcing groove 18 is formed in one end of the stainless steel support plate 16, which is close to the lens 2, a projection of the light transmission groove 17 in the vertical direction completely covers the reinforcing groove 18, and the stainless steel support plate 16 completely supports the steel light barrier 15.

The preferred scheme, steel barn door and stainless steel backup pad have one respectively and bend the portion, and two portions of bending support each other and lean on the cooperation, further increase structural strength, have both considered the influence to the light type when barn door thickness is thicker, have considered the influence that its structural strength used the reliability to whole barn door again. The steel light barrier and the stainless steel support plate are assembled and combined, so that the support strength can be effectively obtained when the overall thickness of the light barrier is reduced.

In this embodiment, corrosion resistant plate and steel sheet all can adopt stamping forming, and the material obtains easily, can take shape after the punching press, need not CNC lathe finish machining to save the process, reduce cost.

The edges of the light transmission groove 17 and the reinforcing groove 18 are arc-shaped respectively, the edge of the light transmission groove is positioned above the stainless steel support plate, the stainless steel support plate 2 actually has a partial light blocking effect, the steel light blocking plate 15 and the stainless steel support plate 16 are provided with flanging riveting holes 19 which are in one-to-one correspondence respectively, and two sides of the steel light blocking plate 15 and two sides of the stainless steel support plate 16 are provided with clamping grooves 20 which are in one-to-one correspondence respectively.

Two light barrier steps 21 symmetrically arranged along the central line of the support 1 are arranged on the support 1, two sides of the steel light barrier 15 and two sides of the stainless steel support plate 16 are respectively connected with one light barrier step 21, the steel light barrier 15 and the stainless steel support plate 16 are clamped with the light barrier steps 21, a screw connection mode or other connection modes can be adopted, and the thicknesses of the steel light barrier 15 and the stainless steel support plate 16 are respectively 0.1mm and 0.4 mm.

The two sides of the steel light barrier and the stainless steel support plate are respectively connected with one light barrier step 21, namely after the steel light barrier 15 and the stainless steel support plate 16 are matched, the two sides of the stainless steel support plate are respectively clamped into the light barrier step to form connection, if the connection reliability is to be improved, a connecting column can be arranged on the light barrier step, connecting holes matched with the connecting column are formed in the steel light barrier and the stainless steel support plate, and the sleeving matching is formed.

Because the present embodiment adopts the fabricated structure, and adopts the punching press to make steel barn door and stainless steel backup pad, both form whole barn door structure after laminating, and its total thickness is under 0.55mm approximately, can not exert an influence to the light type.

Be equipped with the lamp plate heat-radiating connecting plate 22 on outstanding support 1 surface on support 1, lamp plate 13 and lamp plate heat-radiating connecting plate 22 fixed connection, lamp plate heat-radiating connecting plate 22 connects radiating block 3.

It should be noted that the lamp panel heat dissipation connecting plate 22 transfers the heat of the heat conduction lamp panel 13 to the heat dissipation block 3, and sucks air from the air guide sleeve 7 into the heat dissipation block 3 by the suction force of the fan 6, thereby realizing heat exchange. At this in-process of inhaling, the air enters into kuppe 7 along the direction of lens 2 to lamp plate 13, and at the air flow in-process, carries out the heat transfer to the shell of whole headlight, and the cooling of headlight shell is accelerated, and the heat that the lamp plate produced is given radiating block 3 through lamp plate heat-radiating connecting plate 22 and is carried out the heat transfer, realizes multistage heat transfer, and heat exchange efficiency obviously improves.

The working process of the invention is as follows:

the lamp pearl during operation generates heat, and on heat transfer reached lamp plate 13, lamp plate 13 transferred to heat-conducting plate 9, through heat-conduction, heat transfer reached on radiating block 3. And starting the fan 6 to enable air to flow into the heat dissipation block accommodating cavity 11 through the air guide sleeve 7 to exchange heat for the heat dissipation block. In the flowing process of the air, as mentioned above, only the surface of the lens and the surface of the reflector mechanism exchange heat with the lens and the reflector, that is, the cold air continuously flows through the lens and the reflector, so that the effect of directly exchanging heat and cooling the lens and the reflector by the air is achieved, and after the air is matched with the radiating block, the overall temperature of the headlamp is rapidly reduced.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms of the bracket 1, the lens 2, the heat dissipation block 3, the lamp panel assembly 4, the reflector mechanism 5, the fan 6, the air guide sleeve 7, the heat dissipation fin 8, the first reflector assembly 9, the second reflector assembly 10, the heat dissipation block accommodating cavity 11, the air inlet cavity 12, the lamp panel 13, the steel light blocking plate assembly 14, the lamp bead, the stainless steel support plate 16, the light transmission groove 17, the reinforcing groove 18, the flanging riveting hole 19, the clamping groove 20, the light blocking plate step 21, the lamp panel heat dissipation connecting plate 22 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. An automobile headlamp assembly comprises a support (1), one end of the support (1) is provided with a lens (2), the other end of the support is provided with a radiating block (3), the support (1) is also provided with a lamp panel component (4) and a reflector mechanism (5), the automobile headlamp assembly is characterized in that the support (1) is also provided with a fan (6) corresponding to the radiating block (3), the support (1) is connected with a flow guide cover (7) surrounding the radiating block (3), the opening of the flow guide cover (7) faces the lens (2),

the lamp panel assembly (4) comprises a lamp panel (13) arranged on the support (1) and a steel light blocking plate assembly (14).

2. The automobile headlamp assembly according to claim 1, wherein the connection part of the air guide sleeve (7) and the bracket (1) is in sealing connection, the inner surface of the air guide sleeve (7) is in an arc surface shape, the heat dissipation block (3) comprises a plurality of heat dissipation fins (8) which are arranged in parallel, and two ends of each heat dissipation fin (8) respectively extend out of the upper surface and the lower surface of the bracket (1).

3. The headlight assembly as claimed in claim 1, wherein the mirror arrangement (5) comprises a first mirror assembly (9) and a second mirror assembly (10) which are connected to one another, wherein the first mirror assembly (9) and the second mirror assembly (10) are located on each side of the carrier (1), wherein the fan (6) is located on the first mirror assembly (9), wherein the heat sink (3) is located between the first mirror assembly (9) and the second mirror assembly (10) and wherein the heat sink (3) corresponds to the fan, wherein the air guide sleeve (7) is arranged on the second mirror assembly (10), and wherein the air guide sleeve (7) surrounds the end of the heat sink (3) remote from the fan (6).

4. The headlamp assembly of claim 3, wherein the second reflector assembly (10) is provided with a heat sink accommodating cavity (11), the dome (7) is located outside the heat sink accommodating cavity (11), the heat sink (3) is inserted into the heat sink accommodating cavity (11), the first reflector assembly (9) is provided with an air inlet cavity (12) matched with the fan (6), and the position of the air inlet cavity (12) corresponds to the position of the heat sink (3).

5. The headlight assembly of claim 1, wherein the lamp panel (13) has a plurality of beads, and the central points of the beads are not connected to each other.

6. The vehicle headlamp assembly of claim 1, wherein the steel light barrier assembly (14) comprises a steel light barrier (15) and a stainless steel support plate (16) which are connected in a fitting manner, a light transmission groove (17) is formed in one end of the steel light barrier (15) close to the lens, a reinforcing groove (18) is formed in one end of the stainless steel support plate (16) close to the lens (2), and a projection of the light transmission groove (17) in the vertical direction completely covers the reinforcing groove (18).

7. The vehicle headlamp assembly of claim 6, wherein the edges of the light-transmitting groove (17) and the reinforcing groove (18) are respectively arc-shaped, the steel light barrier (15) and the stainless steel support plate (16) are respectively provided with one-to-one flanging riveting hole (19), and two sides of the steel light barrier (15) and the stainless steel support plate (16) are respectively provided with one-to-one clamping grooves (20).

8. The vehicle headlight assembly according to claim 7, wherein the bracket (1) is provided with two light barrier steps (21) symmetrically arranged along a center line of the bracket (1), two sides of the steel light barrier (15) and the stainless steel support plate (16) are respectively connected with one light barrier step (21), and the thicknesses of the steel light barrier (15) and the stainless steel support plate (16) are respectively 0.1mm and 0.4 mm.

9. The automobile headlamp assembly of claim 5, wherein the bracket (1) is provided with a lamp panel heat dissipation connecting plate (22) protruding out of the surface of the bracket (1), the lamp panel (13) is fixedly connected with the lamp panel heat dissipation connecting plate (22), and the lamp panel heat dissipation connecting plate (22) is connected with the heat dissipation block (3).