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CN-122008826-A - Modularized intelligent luminous sealing strip system for automobile and control and manufacturing method thereof

CN122008826ACN 122008826 ACN122008826 ACN 122008826ACN-122008826-A

Abstract

The invention discloses a modularized intelligent luminous sealing strip system for an automobile and a control and manufacturing method thereof. The system comprises a base body module, an optical engine module and a light transmission housing module, wherein the base body module is provided with a built-in channel, the optical engine module is integrated in the built-in channel in a pluggable mode and comprises a partition light source unit, a gradient light guide body and a light sensor, and the light transmission housing module is arranged on the base body module. The intelligent light homogenizing control method senses brightness distribution in real time through a sensor network, adjusts light source output based on dynamic feedback and a zoned cascade compensation algorithm, and achieves self-adaptive optical compensation. The integrated manufacturing method realizes high-efficiency and high-consistency production through optical engine prefabrication, matrix co-extrusion molding, modularized integration and on-line optical calibration technology. The invention solves the inherent contradiction between the luminous and sealing functions and realizes highly reliable, highly uniform and intelligent dynamic illumination and interaction for vehicles.

Inventors

  • ZHANG CHANGCHUN
  • MA QIANQIAN
  • ZHANG LIBO

Assignees

  • 青岛东一胶带有限公司

Dates

Publication Date
20260512
Application Date
20260309

Claims (10)

  1. 1. A modular automotive intelligent lighting seal strip system, comprising: a base module made of an elastic sealing material and having a mounting portion for fixing to a vehicle body and a built-in passage; The optical engine module is an independently packaged pluggable strip-shaped component and is accommodated in the built-in channel, and comprises a packaging shell, a plurality of independently controllable light source units distributed along the length direction, a light guide body coupled with the light path of the light source units, and a plurality of light sensors arranged at specific positions of the light guide body, wherein the concentration of light scattering particles in the light guide body is distributed in a gradient manner along the cross section of the light guide body, and the concentration of a central area is lower than that of an edge area; The light-transmitting outer cover module is covered at the opening of the built-in channel and combined with the matrix module to form a seal; the optical engine module is connected with the vehicle-mounted power supply and the control system through the integrated electric connector.
  2. 2. The system of claim 1, wherein the package housing of the optical engine module has a sandwich structure with a core of a high thermal conductivity flexible substrate, the light source unit is flip-chip bonded to the front surface of the high thermal conductivity flexible substrate, the light guide is coupled to the light source unit and the high thermal conductivity flexible substrate by a layer of elastic optical silica gel, and the high thermal conductivity flexible substrate is laterally divided into a plurality of independent heat dissipation islands which are electrically isolated but thermally connected.
  3. 3. The system of claim 1, wherein the matrix module is a multi-layered co-extruded structure comprising at least an outer wear layer, an intermediate elastic foam layer, and an inner barrier layer as the built-in channel wall, the inner barrier layer having a low moisture permeability and a high light reflectance.
  4. 4. The system of claim 1, wherein the light-transmissive cover module is coated with an age-hardening resistant coating on an inner surface and a hydrophobic self-cleaning coating on an outer surface.
  5. 5. An intelligent light homogenizing control method for use with the system of any one of claims 1-4, comprising the steps of: s1, system calibration, namely after initial installation, driving all the light source units to emit light, collecting brightness values through the light sensors, generating a reference brightness distribution diagram and storing the reference brightness distribution diagram; s2, real-time monitoring and deviation calculation, namely, during the working period, collecting the current brightness value of each light sensor in real time, comparing the current brightness value with a corresponding reference value in the reference brightness distribution diagram, and calculating brightness deviation; s3, dynamic partition compensation, namely independently adjusting driving parameters of the light source units of the corresponding partition according to the brightness deviation, wherein the power of the main associated light source units of the identified weak light section is enhanced by adopting a partition cascade compensation algorithm, and meanwhile, the power of the adjacent partition light source units is cooperatively enhanced according to a preset model; And S4, mode priority arbitration and fault degradation, namely, receiving various trigger signals from a bus of the vehicle, voting a currently effective illumination mode according to preset priority arbitration, shielding fault unit data when a fault of a local light source unit or a light sensor is detected, and starting a compensation strategy for apportioning illumination functions by adjacent health partitions.
  6. 6. The method of claim 5, wherein the lighting modes include at least two of a regular lighting mode, a turn indication mode, a high risk alert mode, an autopilot status indication mode, and a greeting animation mode.
  7. 7. A method of manufacturing the system of any one of claims 1-4, comprising the sequential steps of: Prefabricating an optical engine submodule, namely integrating and flexibly packaging the light source unit, the light guide body and the light sensor on an independent production line to form a prefabricated optical engine module; P2, co-extrusion molding of a matrix module and construction of an internal channel, namely manufacturing the matrix module through a co-extrusion process, and synchronously forming the internal channel at an extrusion die by utilizing a movable core; the modularized integration and on-line calibration are carried out, namely the prefabricated optical engine module is inserted into the built-in channel, then on-line optical calibration is carried out, and the personalized driving compensation coefficient of each light source unit is measured and written into a memory of the optical engine module; And P4, final sealing and packaging, namely pouring sealant at the end part and the interface of the built-in channel, and installing the light-transmitting outer cover module.
  8. 8. The method according to claim 7, wherein the online optical calibration in the step P3 comprises driving all the light source units to reference brightness in a dark environment, acquiring brightness distribution images of the whole length of the sealing strip through a linear image sensor, calculating the ratio of the measured brightness of each partition to the target brightness as the personalized driving compensation coefficient through an analysis calculation unit, and writing the coefficient into a nonvolatile memory of the optical engine module in an encryption manner through a writing device.
  9. 9. An intelligent lighting and interaction system for an automobile, comprising: a plurality of modular automotive intelligent lighting weatherstrip systems of any one of claims 1 to 4 mounted to at least two different portions of a vehicle body; the central gateway controller is used for cooperatively controlling the plurality of luminous sealing strip systems to execute a cooperative scene comprising at least one of a welcome scene based on a door switch, an indication scene based on a steering signal, a state indication scene based on an automatic driving state and a warning projection scene based on blind area monitoring risk.
  10. 10. An automobile, characterized in that a modular automobile intelligent lighting sealing strip system according to any one of claims 1-4 is installed and configured to execute the control method according to claim 5 or 6 to realize dynamic external light interaction and safety signal expression.

Description

Modularized intelligent luminous sealing strip system for automobile and control and manufacturing method thereof Technical Field The invention relates to the technical fields of automobile body accessories, automobile electronic illumination, intelligent interaction and advanced manufacturing, in particular to a highly reliable and intelligent automobile luminous sealing strip system and a control and manufacturing method thereof. Background The automobile sealing strip is a key component for guaranteeing tightness, sound insulation and comfort of the automobile. At present, attempts for embedding a simple LED lamp strip into a sealing strip exist, but the defects of 1) deep entanglement of a photoelectric system and an elastic sealing body, poor reliability and easiness in line breakage or sealing failure are generally existed, 2) luminous uniformity cannot be ensured when the sealing strip is bent and stretched, light is nondirectional, 3) a sealing structure is damaged by a traditional 'post-slotting embedding' process, production and maintenance are difficult, and 4) the intelligent sensing and adjusting capability is lacked due to single function. Therefore, there is a strong need for a solution that is fully innovative from design concepts, control logic to manufacturing processes. Disclosure of Invention The invention aims to provide a modularized intelligent automobile luminous sealing strip system, which solves the technical problems of mutual interference of luminous and sealing functions, poor optical uniformity, low system reliability and difficult manufacture in the prior art. Meanwhile, an intelligent light homogenizing control method matched with the method and a high-efficiency and high-precision manufacturing method are provided. In order to achieve the above purpose, the present invention adopts the following technical scheme: In a first aspect, a modular automotive intelligent lighting seal system, comprising: a base module made of an elastic sealing material and having a mounting portion for fixing to a vehicle body and a built-in passage; The optical engine module is an independently packaged pluggable strip-shaped component and is accommodated in the built-in channel, and comprises a packaging shell, a plurality of independently controllable light source units distributed along the length direction, a light guide body coupled with the light path of the light source units, and a plurality of light sensors arranged at specific positions of the light guide body, wherein the concentration of light scattering particles in the light guide body is distributed in a gradient manner along the cross section of the light guide body, and the concentration of a central area is lower than that of an edge area; The light-transmitting outer cover module is covered at the opening of the built-in channel and combined with the matrix module to form a seal; the optical engine module is connected with the vehicle-mounted power supply and the control system through the integrated electric connector. Furthermore, the packaging shell of the optical engine module is of a sandwich structure, the core of the packaging shell is a high-heat-conductivity flexible substrate, the light source unit is bonded to the front face of the high-heat-conductivity flexible substrate in a flip-chip mode, the light guide body is coupled with the light source unit and the high-heat-conductivity flexible substrate through a layer of elastic optical silica gel, and the high-heat-conductivity flexible substrate is transversely divided into a plurality of independent heat dissipation islands which are electrically isolated but are in thermal communication. Further, the matrix module is of a multilayer coextrusion structure and at least comprises an outer wear-resistant layer, a middle elastic foaming layer and an inner barrier layer serving as the built-in channel wall, wherein the inner barrier layer has low moisture permeability and high light reflectivity. Further, the inner surface of the light-transmitting outer cover module is coated with an anti-aging hardening coating, and the outer surface is coated with a hydrophobic self-cleaning coating. In a second aspect, an intelligent light homogenizing control method for the system includes the steps of: s1, system calibration, namely after initial installation, driving all the light source units to emit light, collecting brightness values through the light sensors, generating a reference brightness distribution diagram and storing the reference brightness distribution diagram; s2, real-time monitoring and deviation calculation, namely, during the working period, collecting the current brightness value of each light sensor in real time, comparing the current brightness value with a corresponding reference value in the reference brightness distribution diagram, and calculating brightness deviation; s3, dynamic partition compensation, namely independently adjusting driving parameters o