CN217540612U

CN217540612U - Ventilative, radiating flexible car signal lamp

Info

Publication number: CN217540612U
Application number: CN202221761071.XU
Authority: CN
Inventors: 单峰
Original assignee: Ningbo Lehang Photoelectric Technology Co ltd
Current assignee: Ningbo Lehang Photoelectric Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-10-04
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a ventilative, radiating flexible car signal lamp, including base, lid in the lens of base, the base closes with the lens lid and forms and holds the chamber, holds the intracavity and installs flexible circuit board, is equipped with electronic components and parts and lamp pearl on the flexible circuit board, is equipped with the radiating piece between flexible circuit board and the base, and the base is equipped with ventilative structure, and flexible circuit board is arranging to external environment through ventilative structure holding the radiating heat of intracavity. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization adopts the mode that sets up ventilative structure at the base, can realize the inside chamber that holds and the gas exchange of outside invariant to prevent effectively because the heat that electronic components generates heat and produce gathers in the lamp body, also mean that the lamp body is inside can be along with gaseous release because of the pressure that arouses that generates heat, thereby reduce the sealed probability of ftractureing of lamp body, so, compare in prior art, have ventilative, quick heat dissipation, increase of service life's effect.

Description

Ventilative, radiating flexible car signal lamp

Technical Field

The utility model relates to an automobile lamp technical field, in particular to ventilative, radiating flexible car signal lamp.

Background

The automobile signal lamp comprises a night driving lamp, a brake lamp, a fog lamp, a steering lamp, a warning lamp and the like. In order to improve the running safety of the vehicle, the signal lamp is a necessary device of the vehicle.

Current silica gel warning light includes: the LED lamp comprises a body, a warning lamp bead and a silica gel optical lens, wherein the warning lamp bead and the silica gel optical lens are arranged in the body; the body is flexible silica gel, the body forms the flexible portion of bending between two adjacent radiating block.

However, the warning lamp has the following disadvantages: because be provided with ventilative structure on the body, in the use, the body is inside can't discharge to atmospheric environment fast by the heat that the circuit board sent, make the body inside because of the circuit board pressure that arouses can crescent gradually that generates heat, thereby make this internal inflation cause silica gel optical lens to warp easily, lead to influencing the light type, when atmospheric pressure reached a definite value, there is this internal high temperature atmospheric pressure of integument and opens the risk of fracture, thereby appear damaging, there is shortcoming such as life is shorter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ventilative, radiating flexible car signal lamp has timely ventilative, quick radiating effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a ventilative, radiating flexible automobile signal lamp, includes the base, covers in the lens of base, and the base closes with the lens lid and forms and hold the chamber, holds the intracavity and installs flexible circuit board, is equipped with electronic components and lamp pearl on the flexible circuit board, is equipped with the radiating piece between flexible circuit board and the base, and the base is equipped with ventilative structure, and flexible circuit board is holding in the radiating heat of intracavity arranges to external environment through ventilative structure.

Through adopting above-mentioned technical scheme, during the use, accessible lens outwards jets out light is lighted to the lamp pearl, because flexible circuit board electronic components can produce a large amount of heats in normal use, on the one hand, the heat accessible heat dissipation piece that produces on the flexible circuit board dispels the heat fast, on the other hand, hold the heat in the chamber still can discharge to external environment through ventilative structure, can realize inside hold chamber and outside invariable gas exchange, thereby prevent effectively that the heat that produces because electronic components generates heat from gathering in the lamp body, also mean that the lamp body is inside can be along with gas release because of the pressure that generates heat and arouse, thereby reduce the probability of the sealed fracture of lamp body. Therefore, compared with the prior art, the air-permeable heat-dissipating structure has the effects of air permeability, quick heat dissipation and prolonged service life.

The utility model discloses a further set up to: the ventilation structure comprises a ventilation hole and a waterproof breathable film, the ventilation hole is arranged on the base and communicated with the accommodating cavity, and the waterproof breathable film is correspondingly arranged on the ventilation hole.

Through adopting above-mentioned technical scheme, the heat accessible that holds the intracavity and gived off carries out the process that gas exchange with the outside through waterproof ventilated membrane.

The utility model discloses a further set up to: a high heat-conducting medium is arranged between the flexible circuit board and the heat radiating piece.

Through adopting above-mentioned technical scheme, high heat-conducting medium can be with the heat on the flexible circuit board pass to the radiating piece fast and dispel the heat.

The utility model discloses a further set up to: the heat dissipation piece is arranged as a heat dissipation piece, the heat dissipation piece is positioned on the base through the positioning structure, the positioning structure comprises a plurality of positioning stop blocks, and the positioning stop blocks are matched with the heat dissipation piece in a positioning mode.

Through adopting above-mentioned technical scheme, location dog and fin location fit can improve the stability of fin installation.

The utility model discloses a further set up to: the fin sets up to "H" font, and every fin corresponds two location dogs, forms the positioning gap between two location dogs, and the fin includes the horizontal segment, locates the vertical section at horizontal segment both ends, and the horizontal segment correspondence inlays in the positioning gap.

The utility model discloses a further set up to: the base is provided with a plurality of separating convex ribs which separate adjacent positioning structures.

The utility model discloses a further set up to: the lens extends to the accommodating cavity to form a plurality of convex light guide parts, and the surface of the lens outside the accommodating cavity is a plane.

Through adopting above-mentioned technical scheme, because the lens upper surface sets up to glossy plane, is not provided with any recess or arch, compares in prior art, is difficult for the deposition to there is better light efficiency.

The utility model discloses a further set up to: the lens fixing device further comprises a positioning frame, and the lens is fixed on the base through the positioning frame.

The utility model discloses a further set up to: the base sets up to the silica gel base, and the bottom of silica gel base is equipped with the 3M film.

Through adopting above-mentioned technical scheme, because the base is the silica gel base, easy deformation pastes on the arcwall face through 3M film flexible.

The utility model discloses a further set up to: the base is provided with a hollow wire protecting guide post.

Through adopting above-mentioned technical scheme, wire accessible protecting wire guide pillar stretches into to hold intracavity and flexible circuit board electric connection.

To sum up, the utility model discloses following beneficial effect has:

1. the mode that the base is provided with the ventilating structure is adopted, so that the constant exchange of the internal accommodating cavity and the external gas can be realized, the heat generated by the heating of the electronic component is effectively stored in the lamp body, the pressure caused by the heating in the lamp body is released along with the gas, and the probability of the sealing cracking of the lamp body is reduced;

2. the mode that sets up the lens upper surface into smooth plane is adopted, is not provided with any recess or arch, compares in prior art, is difficult for the deposition to there is better light efficiency.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

Fig. 2 is an exploded view of the embodiment.

Fig. 3 is an enlarged view of the area a in fig. 2.

FIG. 4 is a schematic view of the structural relationship of the bottom of the base according to the embodiment.

Fig. 5 is a schematic view of the internal structural relationship of the lens of the embodiment.

FIG. 6 is a schematic diagram of the structure relationship of the embodiment in a bending state.

In the figure: 1. a base; 11. a wire protection guide post; 12. positioning a stop block; 13. positioning the gap; 14. separating the convex ribs; 15. air holes are formed; 16. a positioning column; 2. a lens; 21. a light guide part; 3. a flexible circuit board; 31. an electronic component; 32. a lamp bead; 4. a positioning frame; 5. a heat sink; 51. a transverse section; 52. a vertical section; 6. a high thermal conductivity medium; 61. positioning holes; 7. a waterproof breathable film; 8. 3M film.

Detailed Description

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

The utility model provides a ventilative, radiating flexible car signal lamp, as shown in figure 1 and figure 2, including base 1, lid in base 1's lens 2, base 1 closes with lens 2 lid and is formed with and holds the chamber, hold the intracavity and install flexible circuit board 3, be equipped with electronic components 31 and LED lamp pearl 32 on the flexible circuit board 3, still including locating frame 4, on locating frame 4 was fixed in base 1 with lens 2, base 1 was equipped with hollow protecting wire guide pillar 11, wire accessible protecting wire guide pillar 11 stretched into to holding intracavity and flexible circuit board 3 electric connection.

As shown in fig. 2, a heat dissipation member is disposed between the flexible circuit board 3 and the base 1, the heat dissipation member is provided with a plurality of heat dissipation fins 5, the heat dissipation fins 5 are positioned on the base 1 through a positioning structure, the positioning structure includes a plurality of positioning stoppers 12, and the positioning stoppers 12 are in positioning fit with the heat dissipation fins 5. The fin 5 sets up to "H" font, and every fin 5 corresponds two location dogs 12, forms positioning gap 13 between two location dogs 12, and location dog 12 and fin 5 location fit can improve the stability of fin 5 installation, and fin 5 includes horizontal segment 51, locates the vertical section 52 at horizontal segment both ends, and the horizontal segment correspondence inlays in positioning gap 13. Be equipped with a plurality of protruding muscle 14 of separating on the base 1, separate protruding muscle 14 and separate adjacent location structure, arrange the great interval of formation between the fin 5, be favorable to bonding fin 5 surface, prevent to kick-back. Be equipped with high heat-conducting medium 6 between flexible circuit board 3 and the radiating piece, in this embodiment, high heat-conducting medium 6 adopts heat conduction silica gel, and base 1 is equipped with reference column 16, and high heat-conducting medium 6 corresponds has seted up locating hole 61, and reference column 16 and locating hole 61 location fit, high heat-conducting medium 6 can be with the heat on the flexible circuit board 3 pass to the radiating piece fast and dispel the heat. The radiating fins are embedded and fixed on the base and then are bonded through the heat-conducting silica gel.

As shown in fig. 2 and 4, the base 1 is provided with a ventilation structure, the flexible circuit board 3 discharges heat generated by heat dissipation in the accommodating cavity to the external environment through the ventilation structure, the ventilation structure comprises a ventilation hole 15 and a waterproof ventilation film 7, the ventilation hole 15 is arranged on the base 1, the ventilation hole 15 is communicated with the accommodating cavity, and the waterproof ventilation film 7 is correspondingly arranged on the ventilation hole 15.

As shown in fig. 5, the lens 2 extends into the accommodating cavity to form a plurality of convex light guide portions 21, and the surface of the lens 2 outside the accommodating cavity is a plane. Because the upper surface of the lens 2 is set to be a smooth plane without any groove or bulge, compared with the prior art, the dust is not easy to accumulate, and the light efficiency is better.

As shown in fig. 6, in this embodiment, the base 1 is configured as a silicone base 1, the bottom of the silicone base 1 is provided with a 3M film 8, the lens 2 is configured as a TIR lens, and the lens 2 is configured as a transparent silicone material, and is also flexible and can realize bending. Because base 1 is silica gel base 1, easy deformation pastes on the arcwall face through 8 flexblely of 3M film, and minimum installation curved surface diameter is 150mm.

The utility model discloses a basic operating principle does: during the use, accessible lens 2 outwards jets out light is lighted to lamp pearl 32, because flexible circuit board 3 electron component can produce a large amount of heats in normal use process, on the one hand, the heat accessible heat dissipation piece that produces on the flexible circuit board 3 dispels the heat fast, on the other hand, hold the heat in the chamber still can discharge to external environment through waterproof ventilated membrane 7, can prevent effectively that water from fogging or condensing in inside, realize inside holding chamber and the gas exchange of outside invariant, thereby prevent effectively that the heat that produces from generating heat by electron component from gathering in the lamp body, also mean that the lamp body is inside can be along with gas release because of the pressure that arouses that generates heat, thereby reduce the probability of the sealed fracture of lamp body. Therefore, compared with the prior art, the air-permeable heat-dissipating structure has the effects of air permeability, quick heat dissipation and prolonged service life.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a ventilative, radiating flexible car signal lamp, include base (1), cover in lens (2) of base (1), base (1) with lens (2) lid closes to form and holds the chamber, it installs flexible circuit board (3) to hold the intracavity, be equipped with electronic components (31) and lamp pearl (32), its characterized in that on flexible circuit board (3): the heat dissipation device is characterized in that a heat dissipation piece is arranged between the flexible circuit board (3) and the base (1), the base (1) is provided with a ventilation structure, and the flexible circuit board (3) is used for accommodating heat dissipated in the cavity and exhausting the heat to the external environment through the ventilation structure.

2. The breathable, heat-dissipating flexible automotive signal light of claim 1, wherein: the ventilation structure comprises ventilation holes (15) and a waterproof breathable film (7), wherein the ventilation holes (15) are formed in the base (1), the ventilation holes (15) are communicated with the accommodating cavity, and the waterproof breathable film (7) is correspondingly arranged in the ventilation holes (15).

3. The flexible automotive signal light with ventilation and heat dissipation of claim 1, wherein: and a high heat-conducting medium (6) is arranged between the flexible circuit board (3) and the heat dissipation piece.

4. The breathable, heat-dissipating flexible automotive signal light of claim 1, wherein: the radiating piece is provided with radiating fins (5), the radiating fins (5) are positioned on the base (1) through a positioning structure, the positioning structure comprises a plurality of positioning stop blocks (12), and the positioning stop blocks (12) are matched with the radiating fins (5) in a positioning mode.

5. The breathable, heat-dissipating flexible automotive signal light of claim 4, wherein: the heat radiating fin (5) is arranged in an H shape, each heat radiating fin (5) corresponds to two positioning stop blocks (12), a positioning gap (13) is formed between the two positioning stop blocks (12), the heat radiating fin (5) comprises a transverse section (51) and vertical sections (52) arranged at two ends of the transverse section (51), and the transverse section (51) is correspondingly embedded in the positioning gap (13).

6. The breathable, heat-dissipating flexible automotive signal light of claim 4, wherein: the base (1) is provided with a plurality of separating ribs (14), and the adjacent positioning structures are separated by the separating ribs (14).

7. The flexible automotive signal light with ventilation and heat dissipation of claim 1, wherein: the lens (2) extends towards the accommodating cavity to form a plurality of convex light guide parts (21), and the surface of the lens (2) outside the accommodating cavity is a plane.

8. The breathable, heat-dissipating flexible automotive signal light of claim 1, wherein: the lens fixing device is characterized by further comprising a positioning frame (4), wherein the lens (2) is fixed on the base (1) through the positioning frame (4).

9. The breathable, heat-dissipating flexible automotive signal light of claim 1, wherein: the base (1) is set to be the silica gel base (1), the bottom of silica gel base (1) is equipped with 3M film (8).

10. The breathable, heat-dissipating flexible automotive signal light of claim 1, wherein: the base (1) is provided with a hollow wire protection guide post (11).