Search

CN-224215170-U - Double-color far-near double-light inner lampshade structure for car lamp

CN224215170UCN 224215170 UCN224215170 UCN 224215170UCN-224215170-U

Abstract

The utility model discloses a double-color far-near double-light inner lampshade structure for a car lamp, and belongs to the technical field of car lamps. The low beam part comprises a low beam light incident surface for receiving low beam light and a low beam light emergent surface for emitting low beam light; the high beam part comprises a high beam light-in surface for receiving high beam light and a high beam light-out surface for emitting high beam light, wherein the high beam part is provided with a separation plate, the upper surface of the separation plate shields low beam light and forms a low beam cut-off line, and the double-color far-near double-light inner lampshade structure provided by the utility model has the advantages that the temperature-resistant separation plate is used as a double-light baffle, so that the cost is reduced, and meanwhile, the consistency and the reliability of products are ensured.

Inventors

  • WANG XIN

Assignees

  • 常州星宇车灯股份有限公司

Dates

Publication Date
20260508
Application Date
20250509

Claims (8)

  1. 1. The double-color far-near double-light inner lampshade structure for the car lamp is characterized by comprising the following components: a low beam portion (11), the low beam portion (11) including a low beam light-in surface that receives low beam light and a low beam light-out surface (112) that emits low beam light; a high beam section (12), wherein the high beam section (12) includes a high beam light-in surface that receives high beam light and a high beam light-out surface (122) that emits high beam light; The high beam part (12) is provided with a separation plate (13), and the upper surface of the separation plate (13) shields low beam light and forms a low beam cut-off line.
  2. 2. The dual-color high-low beam inner lampshade structure for the car lamp according to claim 1, wherein the low beam part (11), the high beam part (12) and the separation plate (13) are integrally injection molded in two colors, the low beam part (11) and the high beam part (12) are made of transparent PMMA or PC materials, and the separation plate (13) is made of opaque gray high-temperature resistant PC materials.
  3. 3. The dual-color high-low beam inner lamp shade structure for a vehicle lamp according to claim 2, wherein the upper surface of the partition plate (13) is provided with dark dermatoglyph (131).
  4. 4. The dual-color high and low beam inner shade structure for a vehicle lamp according to claim 3, wherein the high beam portion (12) further comprises a high beam light homogenizing sheet (123) arranged between the high beam light incident surface and the high beam light emergent surface (122), the separation plate (13) is arranged on the upper surface of the high beam light homogenizing sheet (123), the separation plate (13) is arranged along the propagation direction of the low beam light, and the thickness of the separation plate (13) is 1.5-2.5mm.
  5. 5. The dual-color high and low beam inner lamp shade structure for a vehicle lamp according to claim 3, wherein the low beam light-emitting surface (112) and the high beam light-emitting surface (122) are provided with free-form surfaces (21) or stripe patterns (22).
  6. 6. The dual-color high and low beam inner lamp shade structure for a vehicle lamp according to claim 4, wherein the high beam light homogenizing sheet (123) is made of a light homogenizing material.
  7. 7. The dual-color high and low beam inner lamp shade structure for a vehicle lamp according to claim 6, wherein the low beam light incident surface is provided with first light collectors (111) corresponding to the number of the low beam light sources.
  8. 8. The dual-color high and low beam inner lamp shade structure for a vehicle lamp according to claim 7, wherein two concentrators (121) corresponding to the number of high beam light sources are arranged at the high beam light incident surface.

Description

Double-color far-near double-light inner lampshade structure for car lamp Technical Field The utility model relates to the technical field of car lamps, in particular to a double-color far-near double-light inner lampshade structure for a car lamp. Background The vehicle headlamp needs to be divided into a dipped headlight and a high beam because of simultaneous illumination and meeting safety, the existing headlamp generally adopts an inner lampshade, a partition baffle matched with the function and a baffle support to realize an integrated double-light function, but the structure of the headlamp is complex, the occupied space is large, the assembly difficulty is large, the light efficiency is unstable and the like. The technical problems of occupation space, complicated installation and the like are solved by adopting the scheme of locally aluminizing the structure as a double-light baffle in the prior art, but the heat risk of external sunlight reflection and focusing exists in the mode of locally aluminizing, so that the reliability of the headlamp is poor, and the aluminizing process is high in cost. Disclosure of utility model The utility model aims to solve the technical problems of high cost and low reliability of the existing integrated double-light type car lamp, and provides the double-color far-near double-light inner lampshade structure for the car lamp, which ensures the consistency and reliability of products while reducing the cost by taking the temperature-resistant partition plate as a double-light baffle. The technical scheme adopted for solving the technical problems is that the double-color far-near double-light inner lampshade structure for the car lamp comprises a near light part and a far light part: The low beam part comprises a low beam light-in surface for receiving low beam light and a low beam light-out surface for emitting low beam light, and the high beam part comprises a high beam light-in surface for receiving high beam light and a high beam light-out surface for emitting high beam light; The high beam part is provided with a separation plate, and the upper surface of the separation plate shields low beam light and forms a low beam cut-off line. The partition plate is used as a double-light baffle plate to replace the existing aluminizing process, so that the heat risk of external sunlight reflection and focusing is reduced while the cost is reduced, the influence of heat on luminous flux is reduced, and the reliability of the car lamp is further improved. Further, the low beam part, the high beam part and the partition plate are integrally injection molded in double colors, the low beam part and the high beam part are transparent parts, the partition plate is an opaque part, the thickness of the partition plate is 1.5-2.5mm, the partition plate is made of grey high temperature resistant PC materials, and the low beam part and the high beam part are made of PMMA or PC materials, so that the double color integral injection molding accords with the environment-friendly concept, the cost is reduced by utilizing core materials with lower quality, meanwhile, the leather materials or the core materials can use materials with high temperature resistance to increase the product performance, the influence of other processes or structures on luminous flux is avoided, the integral structure is optimized, and the effect of small volume is realized. Further, the K29 type dark dermatoglyph is arranged on one side of the partition plate far away from the high beam part, wherein K29 is a common type in industry, and the partition plate with the K29 type dark dermatoglyph is beneficial to improving the uniformity of the lighting effect while ensuring good appearance, ensuring uniform lighting of a road in front and avoiding lighting blind areas. Further, the high beam portion further comprises a high beam light homogenizing sheet arranged on the high beam light incident surface and the high beam light emergent surface, and the separation plate is arranged on the upper surface of the high beam light homogenizing sheet and along the propagation direction of the low beam light. Furthermore, the low beam light-emitting surface is provided with a free curved surface, so that the uniform distribution of low beam projection is realized, and the required widening of the design state is ensured, and the widening deviation is more than or equal to 40-50 degrees. Furthermore, the low beam light-emitting surface is provided with strip patterns, so that the uniform distribution of low beam projection is realized, and the required widening of the design state is ensured, and the widening deviation is more than or equal to 40-50 degrees. Further, the high beam light homogenizing sheet adopts a light homogenizing material, so that the high beam incident light passes through the high beam light homogenizing sheet of the light homogenizing material and then is uniformly diffused. The high beam light-emitting