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CN-115479232-B - RGB atmosphere lamp assembly and vehicle

CN115479232BCN 115479232 BCN115479232 BCN 115479232BCN-115479232-B

Abstract

The invention provides an RGB atmosphere lamp assembly and a vehicle, and belongs to the technical field of automobile parts. The light source comprises a shell, at least two light guide strips, a front light guide strip, a rear light guide strip, a main body light-emitting surface, a first light-emitting area and a second light-emitting area, wherein the light guide strips and the bottom shell are detachably connected, the light guide strip is provided with a light-transmitting part with a preset shape, the at least two light guide strips are arranged in the bottom shell, any two adjacent light guide strips form a splicing area, the tail ends of the front light guide strips are close to the main body light-emitting surface of the rear light guide strip respectively, the main body light-emitting surface of the front light guide strip and the main body light-emitting surface of the rear light guide strip form a first light-emitting area and a second light-emitting area on the light guide strip respectively, the tail end light-emitting surface of the front light guide strip also comprises an inclined-section light-emitting surface, and the light emitted by the inclined-section light-emitting surface forms a third light-emitting area on the light guide strip. According to the invention, the uniform light emitting of the RGB atmosphere lamp assembly is realized through the third light emitting area emitted by the light emitting surface with the inclined section on the front guide bar and the third light emitting area used for filling the area between the first light emitting area and the second light emitting area.

Inventors

  • MAO ZHIPING
  • JIN XINBO
  • WANG YAN
  • SHI CHUNQIU

Assignees

  • 宁波福尔达智能科技股份有限公司

Dates

Publication Date
20260505
Application Date
20220914

Claims (8)

  1. 1. An RGB atmosphere lamp assembly, comprising: the shell (100) comprises a lamp shade (110) and a bottom shell (120) which are detachably connected, and the lamp shade (110) is provided with a light-transmitting part with a preset shape; The light guide device comprises at least two light guide strips, any two adjacent light guide strips, a splicing area and a light guide strip, wherein each light guide strip is arranged in a bottom shell (120) and comprises a head end and a tail end, the head end of each light guide strip is connected with an RGB lamp group (200), each light guide strip comprises a non-light-emitting surface, a main light-emitting surface and a tail end light-emitting surface along the direction from the head end to the tail end, light emitted by the main light-emitting surface is formed by reflecting light transmitted by the inside of the light guide strip through reflecting teeth on the back surface of the light guide strip, light emitted by the tail end light-emitting surface is formed by transmitting light transmitted by the inside of the light guide strip, the light guide strips in the splicing area are respectively a front light guide strip (300) and a rear light guide strip (400), and the tail end of the front light guide strip (300) is close to the main light-emitting surface of the rear light guide strip (400); The light rays emitted by the main body light-emitting surface of the front light guide strip (300) and the main body light-emitting surface of the rear light guide strip (400) respectively form a first light-emitting area (111) and a second light-emitting area (112) after passing through the light-transmitting part of the lampshade (110); The tail end light-emitting surface of the front light guide strip (300) further comprises an inclined section light-emitting surface (310) which is not perpendicular to the central axis of the front light guide strip (300), the transmitted light emitted by the inclined section light-emitting surface (310) passes through the light-transmitting part of the lampshade (110) to form a third light-emitting area (113), and the third light-emitting area (113) is respectively connected with the first light-emitting area (111) and the second light-emitting area (112) to form a complete light-emitting area; the brightness of the third light-emitting area (113) is adjusted according to the size of the area of the projection surface of the inclined-section light-emitting surface (310) orthographic projected onto the lampshade (110).
  2. 2. An RGB atmosphere lamp assembly according to claim 1, characterized in that the brightness of the third light emitting area (113) is equal to the brightness of the first light emitting area (111).
  3. 3. An RGB atmosphere lamp assembly according to claim 1, characterized in that the oblique-section light-emitting surface (310) further has a light-homogenizing portion, which makes the light of the third light-emitting area (113) more uniform.
  4. 4. An RGB atmosphere lamp assembly according to claim 3, wherein the light homogenizing part comprises a plurality of light homogenizing sub-units which are sequentially arranged, the light passes through the light homogenizing sub-units to form unit light emitting areas on the lamp cover (110), the third light emitting area (113) has the same size as the unit light emitting areas, and the brightness of the third light emitting area (113) is equal to the superposition of the brightness of each unit light emitting area.
  5. 5. An RGB atmosphere lamp assembly according to claim 3, characterized in that the inner surface of the light-transmitting part of the lamp housing (110) is glued with a light-homogenizing film or with a light-homogenizing layer.
  6. 6. An RGB atmosphere lamp assembly according to claim 1, characterized in that the bottom shell (120) is provided with a mounting channel (121) for embedding the light guide strip along the length direction of the bottom shell (120), and a convex part (122) for fixing the light guide strip is arranged on the inner wall of the mounting channel (121), and the convex part (122) is in clamping fit with the light guide strip.
  7. 7. An RGB atmosphere lamp assembly according to claim 1, characterized in that a clamping part is arranged between the lamp shade (110) and the bottom shell (120), and the clamping part comprises a clamping block (114) arranged on the lamp shade (110) and a clamping groove (123) correspondingly arranged on the bottom shell (120).
  8. 8. A vehicle comprising an RGB atmosphere lamp assembly as claimed in any one of claims 1 to 7.

Description

RGB atmosphere lamp assembly and vehicle Technical Field The invention belongs to the technical field of automobile parts, and relates to an RGB atmosphere lamp assembly and a vehicle. Background Along with the development of technology and the improvement of living standard, passenger cars are gradually becoming main vehicles for people to travel, and in the field of vehicle lamp design and manufacture, as the LED light source has the advantages of quick response, low energy consumption, stable chromaticity and the like, the passenger cars are gradually becoming main light sources adopted by vehicle lamps, and the pursuit and the goal in the vehicle lamp structural design and manufacture are higher light efficiency and smaller occupation of structural space. At present, to the RGB atmosphere lamp assembly with longer length, the splicing treatment of a plurality of light guide strips is needed to realize the uniform light emitting of the whole light guide strip, in the prior art, the end-to-end splicing treatment is usually adopted between two adjacent light guide strips to realize the light guide extension, but the current splicing mode is difficult to realize the uniform light emitting effect, and dark spots or bright spots and other conditions are often generated at the splicing positions of the two light guide strips, so that the light emitting effect is influenced. Disclosure of Invention The invention aims to solve the problems in the prior art and provides an RGB atmosphere lamp assembly capable of realizing uniform light emission under the condition of ensuring good extension. The aim of the invention can be achieved by the following technical scheme that the RGB atmosphere lamp assembly comprises: The shell comprises a lamp shade and a bottom shell which are detachably connected, and the lamp shade is provided with a light-transmitting part with a preset shape; the light guide device comprises a bottom shell, at least two light guide strips, any two adjacent light guide strips, a splicing area, a front light guide strip and a rear light guide strip, wherein the light guide strips are arranged in the bottom shell, the head end of each light guide strip comprises a head end and a tail end, the head end of each light guide strip is connected with an RGB lamp group, the light guide strips comprise a non-light-emitting surface, a main body light-emitting surface and a tail end light-emitting surface along the direction from the head end to the tail end, light emitted by the main body light-emitting surface is formed by reflecting light transmitted by the inside of each light guide strip through reflective teeth on the back surface of the light guide strip, the light emitted by the tail end light-emitting surface is formed by transmitting the light transmitted by the inside of each light guide strip, and the light guide strips in the splicing area are respectively a front light guide strip and a rear light guide strip; the light rays emitted by the main body light-emitting surface of the front light guide strip and the main body light-emitting surface of the rear light guide strip pass through the light-transmitting part of the lampshade to form a first light-emitting area and a second light-emitting area respectively; The tail end light-emitting surface of the front light guide strip further comprises an inclined section light-emitting surface which is not perpendicular to the central axis of the front light guide strip, light rays emitted by the inclined section light-emitting surface pass through the light-transmitting part of the lampshade to form a third light-emitting area, and the third light-emitting area is respectively connected with the first light-emitting area and the second light-emitting area to form a complete light-emitting area. In the above RGB atmosphere lamp assembly, the brightness of the third light emitting area is adjusted according to the area of the projection surface of the inclined plane light emitting surface, which is orthographically projected onto the lamp shade, and the brightness of the third light emitting area is equal to the brightness of the first light emitting area. In the above-mentioned RGB atmosphere lamp assembly, the inclined-section light-emitting surface further has a light-homogenizing portion, and the light-homogenizing portion can make the light of the third light-emitting area more uniform. In the above-mentioned RGB atmosphere lamp assembly, the light homogenizing part includes a plurality of light homogenizing units sequentially arranged, the light passes through the light homogenizing units to form a unit light emitting area on the lamp cover, the size of the third light emitting area is the same as that of the unit light emitting area, and the brightness of the third light emitting area is equal to the superposition of the brightness of each unit light emitting area. In the above-mentioned RGB atmosphere lamp assembly, the inner surface of the ligh