CN212565648U

CN212565648U - Vehicle atmosphere lamp

Info

Publication number: CN212565648U
Application number: CN202021421538.7U
Authority: CN
Inventors: 施敏芳; 邱雷; 仝容涛
Original assignee: Ningbo Fuerda Smartech Co Ltd
Current assignee: Ningbo Fuerda Smartech Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-19
Anticipated expiration: 2030-07-17

Abstract

A vehicle atmosphere lamp is characterized by comprising a shell, a support, a first light guide plate, a first shading film, a second light guide plate, a PCB (printed Circuit Board) and a shading plate, wherein the first shading film is arranged on the back of the first light guide plate; the second light guide plate is positioned below the first light guide plate; the PCB is arranged on one side of the support and at least provided with a first LED lamp and a second LED lamp, the first LED lamp is close to the first light guide plate, and the second LED lamp is close to the second light guide plate; the shading plate is arranged on the port of the shell and encapsulates the first light guide plate, the second light guide plate and the support in the shell, and the shading plate is provided with a first area pattern and a second area pattern which can transmit light. The PCB has the LED lamp of two kinds of colours at least, through the light guide plate that corresponds, can control the luminous pattern of pattern, realizes the incompatible pattern show of multiple colour, and inner structure is compact reasonable again.

Description

Vehicle atmosphere lamp

Technical Field

The utility model relates to a vehicle interior spare especially relates to a vehicle atmosphere lamp.

Background

People have higher and higher requirements on the individualization of the vehicle interior, so that the application of the atmosphere lamp in the vehicle interior is more and more common. Atmosphere lamp mainly used promotes the atmosphere, has the atmosphere lamp simultaneously concurrently and throws light on the warning effect, gate control warning, safety belt warning light. The atmosphere lamps are generally disposed at positions such as an instrument panel, a door panel, a ceiling, and a step of an entry door.

The atmosphere lamp basic structure that the inventor knows includes casing, PCB board, light guide plate, reflective membrane, even light film and shading aluminum plate, PCB board, light guide plate, in the installation cavity of casing was located to the reflective membrane, shading aluminum plate located on the port of casing, even light film was located shading aluminum plate's the back, has the LED that can give out light on the PCB board. The atmosphere lamp is connected to the circuit, and the signal is put through, and LED lights on the PCB, and light passes through the light guide plate conduction and forms the area that shines need luminous on the outward appearance face after reflecting on the reflection optical surface of light guide plate and reflective membrane to accomplish the pattern on the diaphragm and light.

The extension of current atmosphere lamp light is more limited, and the light that all is single colour basically shows, also has the light of multiple color, but inner structure sets up complicacy, and the circuit is arranged loaded down with trivial details. In addition, double-sided tape sticking and glue filling treatment are needed in the existing part assembly, so that the process is more and long in time consumption; the method comprises the steps of punching and forming the metal aluminum piece, and bonding the punched aluminum piece by using UV glue to form an assembly appearance piece; after being welded with a wire harness, the PCB and the wire harness are arranged at the corresponding position of the shell, and the accurate assembly position of the PCB is ensured through the positioning position on the shell; the light guide plate, the reflective film and the light homogenizing film are assembled and installed on the shell, and the relative position of the light guide plate is ensured to be accurate by utilizing the positioning on the shell; the appearance piece and the assembled rear shell are connected and sealed in a glue pouring mode, the wire outlet hole of the wire harness at the rear portion of the rear cover is sealed in a glue pasting mode, and in the process, the sealing performance of all elements is poor or the sealing performance is prone to being reduced after the appearance piece and the assembled rear shell are used for a period of time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve provides a multiple luminous color and compact structure's vehicle atmosphere lamp to foretell technical current situation.

The utility model aims to solve the second technical problem that a good stand wear and tear of leakproofness vehicle atmosphere lamp is provided.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a vehicle atmosphere lamp is characterized by comprising

A housing having an upper opening forming a port;

the bracket is arranged in the shell and is provided with an inner cavity;

the first light guide plate is arranged in the inner cavity of the bracket;

a first shading film arranged on the back of the first light guide plate;

the second light guide plate is arranged in the inner cavity of the bracket and is positioned below the first light guide plate;

the PCB is arranged on one side of the support and at least provided with a first LED lamp and a second LED lamp, the first LED lamp is close to the first light guide plate, and the second LED lamp is close to the second light guide plate; and

the shading plate is arranged on the port of the shell and encapsulates the first light guide plate, the second light guide plate and the support in the shell, a first area pattern and a second area pattern which can transmit light are arranged on the shading plate, the first area pattern is positioned on the front end face of the first light guide plate, and the second area pattern is positioned on the front end face of the second light guide plate.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the shading plate is an IML diaphragm, and the IML diaphragm and the shell form a sealed integrated piece through in-film injection molding.

The tightness of the edges of the IML membrane can be realized by injection molding the IML membrane and the shell, so that the assembly has better waterproof and dustproof functions; the hidden danger of water leakage quality caused by glue pouring is avoided, the sealant is saved, and the cost is reduced; the injection molding integrated process has the advantages of few working procedures, short consumed time and low manufacturing cost.

The IML membrane sequentially comprises a hardened transparent film, a pattern layer and a bottom plate layer from outside to inside. The IML matrix surface is a layer of hardened transparent film, which has the functions of wear resistance and scratch resistance, the surface hardness can reach 3H, the middle is a printing pattern layer, the back is a plastic layer, and the printing ink is clamped in the middle, so that the product can prevent the surface from being scratched and resistant to friction, and can keep bright color for a long time and is difficult to fade.

Further, the PCB board be vertical setting, first LED lamp and second LED lamp be located the medial surface of PCB board to, the second LED lamp be located the below position of first LED lamp.

A third light guide plate can be arranged below the second light guide plate in the bracket, and a second shading film is arranged on the back of the second light guide plate; the light shielding plate is located on the front face of the third light guide plate and is provided with a third area pattern, the PCB is located below the second LED lamp, and the third LED lamp is arranged close to the third light guide plate. Of course, more than three emission colors can be realized on the basis of the above.

The light guide plate is preferably arranged in the following structure: the inner cavity of the support is sequentially provided with a first partition plate and a second partition plate from top to bottom, one side, close to the PCB, of the support is provided with a first insertion opening and a second insertion opening from top to bottom in sequence, the first light guide plate is arranged on the first partition plate through the first insertion opening, and the second light guide plate is arranged on the second partition plate through the second insertion opening.

In order to limit the movement of the light guide plate, the inner wall of the bracket is provided with a first buckle and a second buckle, a gap for the first light guide plate to insert is formed between the first buckle and the first partition plate, and a gap for the second light guide plate to insert is formed between the second buckle and the second partition plate.

Further, the inner cavity of the bracket is longitudinally provided with a first limiting plate for limiting the first light guide plate to be continuously inserted and a second limiting plate for limiting the second light guide plate to be continuously inserted.

Compared with the prior art, the utility model has the advantages of: the PCB has the LED lamp of two kinds of colours at least, through the light guide plate that corresponds, can control the luminous pattern of pattern, realizes the pattern show that multiple colour is not compatible, and luminous color does not influence each other again, and whole inner structure is compact reasonable again.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment.

Fig. 2 is an exploded view of the embodiment.

Fig. 3 is an enlarged view of the PCB of fig. 2.

Fig. 4 is a perspective sectional view of a bracket member in the embodiment.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 and 2, the vehicle atmosphere lamp in the present embodiment includes a housing 1, a bracket 5, a first light guide plate 31, a first light shielding film 41, a second light guide plate 32, a second light shielding film 42, a third light guide plate 33, a PCB 6, and a light shielding plate 2.

The upper end of the shell 1 is opened to form a port; the bracket 5 is arranged in the shell 1 and is provided with an inner cavity; the first light guide plate 31 is arranged in the inner cavity of the bracket 5; the first light shielding film 41 is disposed on the back surface of the first light guide plate 31.

The second light guide plate 32 is arranged in the inner cavity of the bracket 5 and is positioned below the first light guide plate 31; the second light guide plate 32 has a second light shielding film 42 on the back surface thereof, and the third light guide plate 33 is disposed in the holder 5 below the second light guide plate 32.

Referring to fig. 3, the PCB 6 is longitudinally disposed on one side of the bracket 5 and has a first LED lamp 61, a second LED lamp 62 and a third LED lamp 63 from top to bottom on the side surface, the first LED lamp 61 is close to the first light guide plate 31, and the second LED lamp 62 is close to the second light guide plate 32; the third LED lamp 63 is disposed adjacent to the third light guide plate 33. The other side of the PCB 6 is provided with an end cover 7. In this embodiment, the first LED lamp 61 and the second LED lamp 63 are two in the horizontal direction, and the third LED lamp 63 is three in the horizontal direction.

The light shielding plate 2 is disposed at a port of the housing 1 to encapsulate the first light guide plate 31, the second light guide plate 32, the third light guide plate 33 and the bracket 5 in the housing 1, the light shielding plate 2 has a first area pattern 21, a second area pattern 22 and a third area pattern 23 which are arranged side by side and can transmit light, the first area pattern 21 is located on a front end surface of the first light guide plate 31, and the second area pattern 22 is located on a front end surface of the second light guide plate 32. The third area pattern 23 is positioned at a front end surface of the third light guide plate 33. In this embodiment, the first area pattern 21 is a seat belt warning pattern, the second area pattern 22 is a gate control warning pattern, and the third area pattern 23 is a pattern representing an atmosphere.

The visor 2 in this embodiment is an IML membrane that forms a sealed unitary piece with the housing 1 by in-mold injection. The IML membrane sequentially comprises a hardened transparent film, a pattern layer and a bottom plate layer from outside to inside. The 3H-4H hard surface coating coated on the surface of the IML membrane can not mark general articles, has good protection effect on the membrane and good wear resistance.

Referring to fig. 4 and 5, the inner cavity of the bracket 5 is sequentially provided with a first partition plate 51 and a second partition plate 52 from top to bottom, a first inserting opening and a second inserting opening are sequentially formed in one side of the bracket 5 close to the PCB 6 from top to bottom, the first light guide plate 31 is arranged on the first partition plate 51 through the first inserting opening, and the second light guide plate 32 is arranged on the second partition plate 52 through the second inserting opening. The third light guide plate 33 is provided on the bottom plate 56 of the holder 5 through the third insertion opening.

The inner wall of the bracket 5 has a first latch 53 and a second latch 54, a gap for the first light guide plate 31 to be inserted is formed between the first latch 53 and the first partition 51, and a gap for the second light guide plate 32 to be inserted is formed between the second latch 54 and the second partition 52. The inner cavity of the bracket 5 is longitudinally provided with a first limiting plate 58 for limiting the first light guide plate 31 from being inserted continuously and a second limiting plate 57 for limiting the second light guide plate 32 from being inserted continuously.

The atmosphere lamp in the embodiment is manufactured by using insert low-pressure injection molding, and the insert is positioned on the mold (namely, the product assembly and positioning are completed on the mold). Firstly, inserting each light guide plate on a bracket, and installing a shading film on the back; the PCB number is arranged in the bracket, and then the rear cover is arranged in the bracket; then the bracket is arranged in the shell; the hardened transparent film and the IML backplane are an integral part of the part and the housing obtained by in-mold injection molding.

The atmosphere lamp is connected to the circuit through the PCB board, and the switch-on signal, LED are lighted on the PCB board, can be through the luminous pattern of PCB board control pattern, and a colour is controlled to every light guide plate, and this embodiment can realize 3 kinds of colour incompatible pattern show, and light sends through the LED lamp and passes through the light guide plate conduction and shine the luminous region of needs on the appearance face after the light guide plate forms the reflection to accomplish the pattern on the IML diaphragm and light.

Claims

1. A vehicle atmosphere lamp is characterized by comprising

A housing (1) having an upper end opening to form a port;

a bracket (5) which is arranged in the shell (1) and is provided with an inner cavity;

a first light guide plate (31) disposed in the internal cavity of the holder (5);

a first light shielding film (41) provided on the back surface of the first light guide plate (31);

a second light guide plate (32) disposed in the internal cavity of the holder (5) and located below the first light guide plate (31);

the PCB (6) is arranged on one side of the support (5) and at least provided with a first LED lamp (61) and a second LED lamp (62), the first LED lamp (61) is close to the first light guide plate (31), and the second LED lamp (62) is close to the second light guide plate (32); and

the light shielding plate (2) is arranged on a port of the shell (1) and used for packaging the first light guide plate (31), the second light guide plate (32) and the support (5) in the shell (1), a first area pattern (21) and a second area pattern (22) which can transmit light are arranged on the light shielding plate (2), the first area pattern (21) is positioned on the front end face of the first light guide plate (31), and the second area pattern (22) is positioned on the front end face of the second light guide plate (32).

2. Vehicle atmosphere lamp according to claim 1, characterized in that the visor (2) is an IML membrane forming a sealed integral piece with the housing (1) by means of injection moulding.

3. The vehicle atmosphere lamp of claim 2, wherein the IML film comprises, in order from the outside to the inside, a hardened transparent film, a pattern layer, and a backsheet layer.

4. The vehicle atmosphere lamp according to claim 1, wherein the PCB board (6) is arranged longitudinally, the first LED lamp (61) and the second LED lamp (62) are located on an inner side of the PCB board (6), and the second LED lamp (62) is located below the first LED lamp (61).

5. The vehicle atmosphere lamp according to claim 3, wherein a third light guide plate (33) is arranged below the second light guide plate (32) in the bracket (5), and a second light shielding film (42) is arranged on the back surface of the second light guide plate (32); the light shading plate (2) is located on the front face of the third light guide plate (33) and is provided with a third area pattern (23), the PCB (6) is located below the second LED lamp (62), and a third LED lamp (63) is arranged close to the third light guide plate (33).

6. The vehicle atmosphere lamp according to claim 1, wherein the inner cavity of the bracket (5) is sequentially provided with a first partition plate (51) and a second partition plate (52) from top to bottom, a first inserting opening and a second inserting opening are sequentially formed in one side, close to the PCB (6), of the bracket (5), the first light guide plate (31) is arranged on the first partition plate (51) through the first inserting opening, and the second light guide plate (32) is arranged on the second partition plate (52) through the second inserting opening.

7. The vehicle atmosphere lamp according to claim 6, wherein the inner wall of the bracket (5) is provided with a first catch (53) and a second catch (54), a gap for inserting the first light guide plate (31) is formed between the first catch (53) and the first partition plate (51), and a gap for inserting the second light guide plate (32) is formed between the second catch (54) and the second partition plate (52).

8. The vehicle atmosphere lamp according to claim 1, wherein the internal cavity of the bracket (5) is longitudinally provided with a first limit plate (58) limiting the continued insertion of the first light guide plate (31) and a second limit plate (57) limiting the continued insertion of the second light guide plate (32).