CN217928605U

CN217928605U - Car light breather and car light

Info

Publication number: CN217928605U
Application number: CN202222159877.8U
Authority: CN
Inventors: 卢延超; 周小梅; 张�成; 彭猛; 叶春国
Original assignee: Zhejiang Ginye Auto Parts Co ltd
Current assignee: Zhejiang Ginye Auto Parts Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-29
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a car light breather and car light, which comprises a bracket, the first side of support is equipped with the wind groove with lamp body inner space intercommunication, be equipped with a plurality of air vents on the wind groove, be equipped with the pellicle on the air vent, it installs the pivot that runs through the wind groove to rotate on the support, the wind inslot cooperation is equipped with the first fan of installing in pivot one end, the second side of support is equipped with the second fan of installing in the pivot other end outward, it is rotatory to drive the second fan through outside air current, make first fan synchronous revolution, the circulation of air in the drive lamps and lanterns, increase the pressure of pellicle one side, make the air initiative outflow in the lamps and lanterns, need not rely on power and driving motor's control, accomplish the circulation of air current and heat exchange, can improve and take a breath and radiating efficiency, and under the condition that the air flows, lamps and lanterns are difficult to fog.

Description

Car light breather and car light

Technical Field

The utility model relates to a car light structure technical field of taking a breath, concretely relates to car light heat transfer device and car light.

Background

The existing lamp radiator part adopts a fully-open structure, and realizes ventilation of the lamp and the outside through a bent pipe or a labyrinth structure, but because the lamp is directly communicated with the outside, no filtering or shielding structure exists, so that dust and foreign matters can be easily introduced into the lamp, and the lamp is easily influenced by the external environment, external humid air and water vapor can enter the lamp, the lamp is easily fogged and fed, the air flow completely depends on the pressure difference between the inside and the outside of the lamp, and active air outlet can not be realized. In order to solve the problems, the semi-permeable membrane structure is arranged on the ventilation channel of the radiator for ventilation, and the semi-permeable membrane can ventilate under certain pressure, so that the ventilation efficiency is lower, and the heat exchange with external air can not be carried out timely by hot air in the lamp, so that the heat dissipation effect is not good.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the present invention provides a vehicle lamp ventilation device and a vehicle lamp to solve the deficiencies of the prior art.

The utility model discloses mainly realize through following technical scheme:

the utility model provides a car light breather, which comprises a bracket, the first side of support is equipped with the wind groove with lamp body inner space intercommunication, be equipped with a plurality of air vents on the wind groove, be equipped with the pellicle on the air vent, rotate on the support and install the pivot that runs through the wind groove, the wind groove fit in is equipped with the first fan of installing in pivot one end, the second side face of support is equipped with the second fan of installing in the pivot other end outward.

Furthermore, be equipped with on the second lateral surface of support and be close to the air vent or rather than the wind-guiding platform of being connected, the pellicle is installed on the wind-guiding platform and fixed the cover on the air vent.

Furthermore, the rotating shaft penetrates through the air guide platform.

Furthermore, be equipped with the spacing groove around the setting of wind-guiding platform on the second side of support, air vent and spacing groove intercommunication, the pellicle is pasted on the spacing groove.

Further, the second fan is including changeing the cover, it is equipped with a plurality of blades to change all side outer walls of cover, the terminal surface of blade extends towards the second side of support and has the clearance rather than, it is equipped with the shrouding to change one side of cover, be equipped with the vent relative with the pellicle on the shrouding.

Further, the blades are obliquely arranged on the outer wall of the rotating sleeve, and the angle between the surface of each blade and the normal direction of the surface of each blade is a, wherein a ranges from 0 degree to 90 degrees.

Further, the first fan is a turbofan.

The utility model also provides a car light, including the lamp body, and car light breather, be equipped with the through-hole with lamp body inner space intercommunication on the lamp body, support seal installation is on the through-hole, first fan is located the lamp body, the second fan is located outside the lamp body.

Furthermore, a plurality of clamping grooves are formed in the inner wall of the through hole, a plurality of protruding blocks are arranged on the outer wall of the support, the protruding blocks are matched with the clamping grooves, and the limiting ring is located beside the protruding blocks to form a groove used for clamping the side wall of the lamp shell.

Compared with the prior art the utility model discloses technical scheme's beneficial effect does:

the utility model provides a car light breather and car light drives the second fan rotation through outside air current, makes first fan synchronous revolution, and circulation of air in the drive lamps and lanterns increases the pressure of pellicle one side for air initiative outflow in the lamps and lanterns does not need to rely on power and driving motor's control, accomplishes circulation of air and heat exchange, can improve take a breath and radiating efficiency, and under the condition that the air flows, lamps and lanterns are difficult to the fog.

Drawings

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

Fig. 1 is a perspective view (a) of a vehicle lamp heat exchanging device provided by an embodiment of the present invention;

fig. 2 is a perspective view (ii) of a heat exchanging device for a vehicle lamp provided by an embodiment of the present invention;

fig. 3 is a front view of a heat exchanging device for a vehicle lamp provided by an embodiment of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 3;

fig. 5 is an exploded schematic view of a heat exchanging device for a vehicle lamp provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a vehicle lamp provided by an embodiment of the present invention;

FIG. 7 is a cross-sectional view B-B of FIG. 6;

fig. 8 is a schematic structural diagram of a lamp housing according to an embodiment of the present invention.

The reference numbers are as follows:

1. the air guide device comprises a support, 1a, an air groove, 1b, an air vent, 1c, a mounting hole, 1d, a limiting groove, 11, an air guide platform, 12, a bump, 13, a limiting ring, 2, a semipermeable membrane, 3, a rotating shaft, 4, a first fan, 5, a second fan, 51, a rotating sleeve, 52, blades, 53, a sealing plate, 53a, a ventilation opening, 6, a bearing, 7, a lamp shell, 7a, a through hole, 7b, a clamping groove, 8 and a sealing ring.

Detailed Description

In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-3, the utility model provides a car light breather, including support 1, the first side of support 1 is equipped with the wind groove 1a with lamp body inner space intercommunication, is equipped with a plurality of air vents 1b on the wind groove 1a, is equipped with pellicle 2 on the air vent 1b, rotates on the support 1 and installs the pivot 3 that runs through wind groove 1a, and wind groove 1a fit in is equipped with the first fan 4 of installing in 3 one ends of pivot, and the second side of support 1 is equipped with the second fan 5 of installing in the 3 other ends of pivot outward.

In this embodiment, the first fan 4 is a turbofan, and the driving air flows to the outside of the lamp housing under the driving of the turbofan, so that the pressure of the semipermeable membrane 2 at the inner side of the lamp housing is increased to complete the exchange of air flow and heat.

In the present embodiment, as shown in fig. 4, the bracket 1 is provided with a mounting hole 1c, and a bearing 6 is provided between the mounting hole 1c and the rotating shaft 3, wherein the bearing 6 is a high-speed bearing. The air vents 1b are arranged at intervals in the circumferential direction of the rotary shaft 3.

As shown in fig. 5, preferably, a wind guide platform 11 is provided on the second side surface of the bracket 1 near or connected to the ventilation hole 1b, and the semipermeable membrane 2 is mounted on the wind guide platform 11 and fixedly covers the ventilation hole 1 b.

Preferably, the second side surface of the bracket 1 is provided with a limit groove 1d arranged around the air guide platform 11, the vent hole 1b is communicated with the limit groove 1d, and the semipermeable membrane 2 is adhered to the limit groove 1 d.

In this embodiment, the semipermeable membrane 2 is sleeved on the air guide platform 11.

Specifically, the rotary shaft 3 is provided to penetrate the air guide table 11.

As shown in fig. 5, preferably, the second fan 5 includes a rotating sleeve 51, a plurality of blades 52 are disposed on an outer peripheral wall of the rotating sleeve 51, end surfaces of the blades 52 extend toward the second side surface of the bracket 1 with a gap therebetween, a sealing plate 53 is disposed on one side of the rotating sleeve 51, and a ventilation opening 53a facing the semipermeable membrane 2 is disposed on the sealing plate 53.

Through set up vent 53a on the side of second fan 5, make the inside and outside air of lamp body can circulate, the smooth and quick discharge of the gas in the lamp body of being convenient for.

As shown in fig. 3, in particular, the vane 52 is obliquely arranged on the outer wall of the rotating sleeve 51, and the angle between the surface of the vane 52 and the normal direction thereof is a, wherein a is 0 to 90 °.

a is preferably 24 degrees, through designing the angle of the blades 52 and arranging the ventilation openings 53a, unbalanced moment is generated when the second fan 5 is blown by wind, the second fan 5 can only rotate in one direction when being blown in any direction, so that the air in the lamp housing always flows outwards, and the principle of the one-way rotation of the second fan 5 is the same as that of unpowered hood rotation.

As shown in fig. 4, the blade 52 adopts a wind-driven blade structure, the whole blade 52 is perpendicular to the surface of the semipermeable membrane 2, so that the flow direction of the generated air is parallel to the semipermeable membrane 2, the flow speed of the air outside the semipermeable membrane 2 (i.e. outside the lamp housing) is increased, and according to the bernoulli fluid principle, the higher the flow speed, the lower the pressure; the smaller the flow rate, the greater the pressure, and thus the pressure of the semipermeable membrane 2 inside the lamp envelope.

In this embodiment, the surface of the blade 52 is a flat surface. The angle of a can be adjusted according to actual requirements.

As shown in fig. 6-8, the utility model also provides a car lamp, including lamp body 7 to and foretell car lamp breather, be equipped with on the lamp body 7 with the through-hole 7a of lamp body inner space intercommunication, support 1 is sealed to be installed on through-hole 7a, and first fan 4 is located lamp body 7, and second fan 5 is located outside lamp body 7.

Utilize outside air current for second fan 5 drives first fan 4 and rotates, makes the inside air current initiative flow of lamp body 7, can increase the pressure of pellicle 2 unilateral when first fan 4 is rotatory, improves the efficiency of taking a breath. Because the air flows, the automobile lamp is not easy to fog, the use reliability of the automobile lamp is improved, the uniform heat dissipation of the automobile lamp is more facilitated, and heat can be taken out of the automobile lamp through air flow.

In order to ensure the air pressure balance in the lamp shell 7, an air inlet hole is also arranged on the lamp shell 7, and a semipermeable membrane is also arranged on the air inlet hole.

In this embodiment, the air duct 1a is communicated with the space inside the lamp housing 7.

Preferably, the inner wall of the through hole 7a is provided with a plurality of clamping grooves 7b, the outer wall of the bracket 1 is provided with a plurality of protrusions 12 and a limiting ring 13, the protrusions 12 are matched with the clamping grooves 7b, and the limiting ring 13 is located beside the protrusions 12 to form a groove for clamping the side wall of the lamp housing 7. Not limited to the above structure, the bracket 1 and the housing 7 may be detachably assembled by screws.

In this embodiment, the limiting ring 13 is located between the protrusion 12 and the second fan 5, the sealing ring 8 is disposed in the groove, and the sidewall of the casing 7 is disposed between the protrusion 12 and the sealing ring 8.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A car light breather which characterized in that: including support (1), the first side of support (1) is equipped with wind groove (1 a) with lamp body inner space intercommunication, be equipped with a plurality of air vents (1 b) on wind groove (1 a), be equipped with pellicle (2) on air vent (1 b), rotate on support (1) and install pivot (3) that run through wind groove (1 a), wind groove (1 a) fit in is equipped with first fan (4) of installing in pivot (3) one end, the second lateral surface of support (1) is equipped with second fan (5) of installing in the pivot (3) other end outward.

2. A vehicle lamp air interchanger according to claim 1, wherein: be equipped with on the second lateral surface of support (1) and be close to air vent (1 b) or rather than wind-guiding platform (11) of being connected, pellicle (2) are installed on wind-guiding platform (11) and are fixed to be covered on air vent (1 b).

3. A lamp ventilation device for a vehicle, as defined in claim 2, wherein: the rotating shaft (3) penetrates through the air guide platform (11).

4. A lamp ventilation device for a vehicle, as defined in claim 2, wherein: be equipped with spacing groove (1 d) around wind-guiding platform (11) setting on the second lateral surface of support (1), air vent (1 b) and spacing groove (1 d) intercommunication, pellicle (2) are pasted on spacing groove (1 d).

5. A vehicle lamp air interchanger according to claim 1, wherein: second fan (5) are including changeing cover (51), be equipped with a plurality of blades (52) on changeing the all side outer wall of cover (51), the terminal surface of blade (52) extends towards the second side of support (1) and has the clearance rather than, it is equipped with shrouding (53) to change one side of cover (51), be equipped with on shrouding (53) with pellicle (2) relative vent (53 a).

6. The vehicle lamp ventilation device according to claim 5, wherein: the blades (52) are obliquely arranged on the outer wall of the rotating sleeve (51), and the angle between the surface of each blade (52) and the normal direction of the surface is a, wherein a is 0-90 degrees.

7. A vehicular lamp ventilation device according to claim 1 or 5, characterized in that: the first fan (4) is a turbofan.

8. A car light, its characterized in that: the vehicle lamp ventilation device comprises a lamp shell (7) and the vehicle lamp ventilation device according to any one of claims 1 to 7, wherein a through hole (7 a) communicated with the space in the lamp shell is formed in the lamp shell (7), the bracket (1) is hermetically installed on the through hole (7 a), the first fan (4) is located in the lamp shell (7), and the second fan (5) is located outside the lamp shell (7).

9. The vehicular lamp according to claim 8, characterized in that: be equipped with a plurality of draw-in grooves (7 b) on the inner wall of through-hole (7 a), be equipped with a plurality of lugs (12) on the outer wall of support (1) to and spacing ring (13), lug (12) and draw-in groove (7 b) looks adaptation, spacing ring (13) are located lug (12) side in order to form the recess that is used for blocking lamp body (7) lateral wall.