A control system for a car star ceiling

The automotive starry sky roof system, through its modular design and signal control, solves the problems of complex installation, high cost, and limited lighting effects of existing automotive starry sky roof systems, achieving diversified lighting effects and efficient installation to meet the needs of different vehicle models.

CN115195582BActive Publication Date: 2026-05-12NINGBO HUAKAI PHOTOELECTRIC CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO HUAKAI PHOTOELECTRIC CO LTD
Filing Date
2022-07-15
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing automotive starlight roof systems are complex to install, costly, have low fiber optic transmission efficiency, are applicable to a limited range of car models, and offer limited lighting effects, making it difficult to meet the diverse installation and layout needs of ambient lighting modules.

Method used

It employs multiple starry sky modules and meteor light modules, connects to the vehicle's infotainment system via the CAN communication protocol, and achieves modular installation and control. It utilizes LIN signal transmission, combined with a modular splicing structure and locking modules to fix the fiber optic group, adapting to different vehicle models and installation environments.

Benefits of technology

It enables diverse control of optical effects, improves installation efficiency, reduces costs, enhances the stability and applicability of optical fibers, and supports the realization of complex patterns and meteor effects.

✦ Generated by Eureka AI based on patent content.

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    Figure CN115195582B_ABST
Patent Text Reader

Abstract

The application discloses a kind of automobile starry sky roof control systems, comprising: light-emitting module, including multiple starry sky modules and multiple meteor lamp modules, the meteor lamp module is oppositely arranged about roof contour, the starry sky module is arranged in the circumferential direction about roof contour, control module, including controller and wire harness group, the controller is electrically connected with car machine system, to receive and convert control signal, and the controller is connected with starry sky module and meteor lamp module by wire harness group, and distributes control signal to starry sky module and meteor lamp module, to make the starry sky module and / or meteor lamp module emit light and form preset pattern, facilitate installation and mode control.
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Description

Technical Field

[0001] This invention relates to the field of automotive roof technology, specifically to an automotive starry sky roof control system. Background Technology

[0002] Currently, with the development of the automotive industry and the improvement of people's living standards, the requirements for the grade, aesthetics and comfort of car interiors are getting higher and higher. The starry sky roof in car interiors is also constantly improving and perfecting. The sunshade starry sky roof is also being improved step by step. However, with the changes in sunroofs of different models, there are still some panoramic sunroofs, segmented sunroofs and hard panel sliding sunroofs that cannot coexist with starry sky roofs in other parts of the car roof.

[0003] Moreover, the production cost of the sunshade starry sky ceiling is high and the technology is complex. The light transmission of the optical fiber is relatively long, which causes light attenuation and results in insufficient brightness of the star points. It is difficult for non-professionals to operate, which is not conducive to its promotion and is applicable to a limited number of car models.

[0004] CN215850977U discloses an optical fiber arrangement device for automotive starry sky roof processing, including two support bars and several optical fiber positioning mechanisms slidably mounted on the support bars. The support bars are configured as arc-shaped support bars, and adhesive plates are fixedly connected to both ends of the support bars through connecting plates. Through the design of the two support bars and the connecting plates and adhesive plates at both ends of the support bars, in the actual production process, the two support bars are first glued to the starry sky roof substrate of the automotive starry sky roof through the adhesive plates at both ends of the support bars, thereby basically positioning the main body of the optical fiber bundle of the starry sky roof.

[0005] This type of automotive starry sky roof device requires an additional frame adapted to the roof to install different ambient light modules on the car roof. Multiple ambient light modules are then installed on the frame. However, the frame is designed for each car model, which presents difficulties in installation design. Furthermore, the existing starry sky roof has a relatively simple light emission mode, with a fixed starry sky pattern and a dynamic effect that is only a shooting star effect in one direction. The installation and arrangement of the fiber optic bundles extending from the multiple ambient light modules on the ambient light modules also poses a challenge for technicians. Summary of the Invention

[0006] In view of the shortcomings of the existing technology, the purpose of this invention is to provide an automotive starry sky roof control system that is convenient for installation and mode control.

[0007] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a car starry sky roof control system, comprising:

[0008] The light-emitting module includes multiple starry sky modules and multiple meteor light modules. The meteor light modules are positioned relative to the roofline, while the starry sky modules are arranged circumferentially around the roofline.

[0009] The control module includes a controller and a wiring harness. The controller is electrically connected to the vehicle infotainment system to receive and convert control signals. The controller is also connected to the starry sky module and the meteor light module through the wiring harness and distributes control signals to the starry sky module and the meteor light module to make the starry sky module and / or the meteor light module emit light and form a preset pattern.

[0010] Furthermore, the wiring harness group includes a first wiring harness and a second wiring harness. Both ends of the first wiring harness and the second wiring harness are provided with signal delivery terminals and connectors. The first wiring harness is connected to the vehicle system and the controller through the connectors. The second wiring harness is arranged about the roof outline, and the second wiring harness is connected to the controller and the starry sky module and the controller and the meteor light module through the connectors.

[0011] Furthermore, it also includes an installation module, comprising multiple module frames, wherein the module frames are provided with limiting seats that can match the contours of the starry sky module, meteor light module, or controller.

[0012] Furthermore, a splicing structure is provided between the mold frames, and the light-emitting module and the control module are arranged at both ends of the vehicle roof through the splicing structure. The splicing structure restricts the release of multiple mold frames at least in a generally horizontal direction, and the multiple mold frames can be fitted together in a generally vertical direction through the splicing structure.

[0013] Furthermore, both the starry sky module and the meteor light module include:

[0014] The housing assembly includes a PCB board disposed therein, and a light-emitting element and a pin disposed on the PCB board. The housing assembly is provided with a connector for fastening with the end of the wire harness assembly.

[0015] At least one base is formed on the housing assembly, and the base houses an optical fiber assembly for forming a light-emitting pattern;

[0016] The light guide assembly is positioned between the light source and the optical fiber assembly;

[0017] A locking module is provided, which is pluggable to the base and is positioned to gather the optical fiber group and face the light-emitting element.

[0018] Furthermore, the locking module includes:

[0019] The ferrule has a guide port for guiding the optical fiber group into the ferrule, and multiple lobes that can be deformed radially.

[0020] A connecting sleeve is inserted into the housing and is axially restricted from dislodgement. The connecting sleeve has a fixed end for engaging with the ferrule and a closing end for bundling the optical fiber.

[0021] Furthermore, each of the starry sky modules is provided with a first base, and each of the meteor light modules is provided with multiple second bases. The multiple second bases are arranged sequentially about the width of the roof, and multiple groups of optical fibers with different diameters are gathered in the first and second bases.

[0022] Furthermore, the meteor lamp module is provided with multiple light-emitting bodies, and the light guide component includes a first light guide element corresponding to the meteor lamp module. The first light guide element is provided with multiple light guide units. The light guide unit includes a light-collecting part that can cover the light-emitting body and a first light-emitting part that is positioned in the first body. The first light-emitting part has a generally continuous outer diameter and is positioned directly opposite the optical fiber group.

[0023] Furthermore, the starry sky module is provided with at least one light-emitting element, and the light guide component includes a second light guide element corresponding to the starry sky module. The second light guide element is placed in the first base. The second light guide element includes a light-focusing part and a light-emitting part arranged sequentially along the light-emitting direction. The light-focusing part is positioned directly opposite the light-emitting element, and the light-focusing part is provided with a bowl-shaped cavity positioned directly opposite the light-emitting element. The second light-emitting part has a generally continuous outer diameter and is positioned directly opposite the optical fiber group.

[0024] Furthermore, the wiring harness is used to transmit LIN communication signals. The PCB board is equipped with an INDI chip. The controller and the vehicle system use the CAN communication protocol. The controller is equipped with an NXP main drive chip to collect vehicle system signals and output LIN signals to the light-emitting module through the wiring harness.

[0025] Compared with the prior art, the present invention has the following advantages and beneficial effects: 1. The controller and the vehicle system communicate through the CAN system and use LIN signals to transmit to the starry sky module and meteor light module, so as to achieve different light output effects according to different signals. The controller integrates and controls the light-emitting module, resulting in better effect, higher accuracy and stronger overall performance.

[0026] 2. By setting up multiple starry sky modules, the area for the starry sky effect on the roof can be increased. Multiple patterns can be preset through different fiber optic arrangements in each starry sky module. Light can also be gradually emitted through multiple starry sky modules, or complex patterns can be achieved by combining multiple starry sky modules.

[0027] 3. By setting up multiple meteor light modules, the light source of each meteor light module can be lit up sequentially by the controller signal to achieve a meteor effect;

[0028] 4. Modular installation of the light-emitting module and control module is achieved through the frame. Multiple frames can be spliced ​​together to form a whole, thereby integrating the control module and the light-emitting module. During installation, the frames can be directly assembled and installed on the roof, improving work efficiency. In addition, the vehicle system, light-emitting module and control module are all connected by flexible wiring harness with plug-in connectors, thus adapting to different car roof installation environments.

[0029] 5. The fiber optic assembly is fixedly installed through the locking module. The fiber optic assembly is inserted through the guide port and initially shaped by multiple deformable lobes. It is then bundled and formed within the closing port, making the fiber optics less prone to falling off. This saves the time usually spent fixing with UV glue, reducing labor and material costs. At the same time, the fiber optic assembly is bundled and can be adapted to different diameters and different numbers of combinations for tight fixing, solving the problems of reliability and firmness in the matching of modules and different numbers and diameters of fibers. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 This is a schematic diagram of the control module of the present invention;

[0032] Figure 3 This is a schematic diagram of the splicing structure between the mold frames of the present invention;

[0033] Figure 4 This is a schematic diagram of the structure of the starry sky module of the present invention;

[0034] Figure 5 This is an exploded view of the locking structure of the starry sky module of the present invention;

[0035] Figure 6 This is a cross-sectional schematic diagram of the locking structure of the starry sky module of the present invention;

[0036] Figure 7 This is an exploded view of the second housing of the starry sky module of the present invention;

[0037] Figure 8 This is a schematic diagram of the meteor light module of the present invention;

[0038] Figure 9 This is an exploded view of the locking structure of the meteor lamp module of the present invention;

[0039] Figure 10 This is a cross-sectional schematic diagram of the locking structure of the meteor lamp module of the present invention;

[0040] Figure 11 This is an exploded view of the first housing of the meteor lamp module of the present invention;

[0041] Figure 12 This is an exploded view of the control module of the present invention;

[0042] In the image: 1. Starry Sky Module;

[0043] 2. Meteor light module;

[0044] 3. Control module; 3.1 Controller; 3.2 Wiring harness group; 3.21 First wiring harness; 3.22 Second wiring harness; 3.23 Connector;

[0045] 4. Mold frame; 4.1. Heat dissipation vent; 4.2. Positioning groove; 4.3. Buckle; 4.4. Mounting hole; 4.5. Insert block; 4.6. Socket; 4.7. Limiting seat;

[0046] 5. Housing assembly; 5.1. Connecting port; 5.2. Positioning protrusion; 5.3. Card holder; 5.4. First housing; 5.5. Second housing;

[0047] 6. PCB board; 7. Light-emitting element; 8. Pins;

[0048] 9. Base; 9.1. First base; 9.2. Second base; 9.2.1. Snap groove; 9.3. Guide channel; 9.4. Fastener;

[0049] 10. Light guide assembly; 10.1. First light guide component; 10.11. Light guide unit; 10.12. Light gathering part; 10.13. First light emitting part; 10.14. Plate body;

[0050] 10.2 Second light guide; 10.21 Light focusing part; 10.22 Second light emitting part; 10.23 Fastening block;

[0051] 11. Fiber optic cable group;

[0052] 12. Insert; 12.1. Guide port; 12.2. Valve body;

[0053] 13. Connecting sleeve; 13.1. Fixed end; 13.2. Closure; 13.3. Positioning rib; 13.4. Positioning ring groove; Detailed Implementation

[0054] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0055] It should be understood that although the terms upper, middle, lower, top, one end, etc., appear in this document to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for ease of understanding, and are not used to define any directional or sequential restrictions.

[0056] like Figure 1-12 As shown, a car starry sky roof control system includes:

[0057] The light-emitting module includes multiple starry sky modules 1 and multiple meteor light modules 2. The meteor light modules 2 are arranged opposite to the roof outline, and the starry sky modules 1 are arranged circumferentially with respect to the roof outline.

[0058] The control module 3 includes a controller 3.1 and a wiring harness 3.2. The controller 3.1 is connected to the vehicle infotainment system for receiving and converting control signals. The controller 3.1 is also connected to the starry sky module 1 and the meteor light module 2 via the wiring harness 3.2, and distributes control signals to the starry sky module 1 and the meteor light module 2 to make the starry sky module 1 and / or the meteor light module 2 emit light and form a preset pattern.

[0059] As an option, from Figure 1 As can be seen, the meteor light module 2 is distributed at both ends of the roof as needed, and the starry sky module 1 can be set at both ends and sides of the roof. As needed, one or more starry sky modules 1 can also be set on the outside of the roof outline. Through the setting of the wiring harness group, the starry sky modules can be arranged on the roof outline as needed to meet the requirements of pattern arrangement. The number of meteor light modules and starry sky modules can be from 1 to the maximum number within the actual achievable range.

[0060] In this embodiment, as an implementation method for signal transmission between the light-emitting module, the control module 3, and the vehicle system, the wiring harness 3.2 is used to transmit LIN communication signals. Both the starry sky module and the meteor lamp module are equipped with PCB boards. The PCB board 6 is equipped with an INDI chip. The controller 3.1 communicates with the vehicle system using the CAN protocol, and the controller 3.1 is equipped with an NXP main drive chip to collect vehicle system signals and output LIN signals to the light-emitting module through the wiring harness 3.2.

[0061] like Figure 1 and Figure 2As shown, in one embodiment of the wiring harness group 3.2 connection, the wiring harness group 3.2 includes a first wiring harness 3.21 and a second wiring harness 3.22. The two signal delivery ends of the first wiring harness 3.21 and the second wiring harness 3.22 are provided with connectors 3.23. The controller 3.1, the starry sky module 1, and the meteor light module 2 are provided with plug interfaces for mating with the connectors 3.23. The plug interfaces have exposed pins 8. The connectors 3.23 cooperate with the pins 8 in the plug interfaces to realize the signal transmission of the control module 3. The first wiring harness 3.21 is connected to the vehicle head unit and the controller 3.1 through the connectors 3.23. The second wiring harness 3.22 is connected to the controller 3.1 and the starry sky module 1, and the controller 3.1 and the meteor light module 2 through the connectors 3.23.

[0062] The second wiring harness 3.22 is arranged about the roof profile to avoid interference with the fiber optic group 11, giving the fiber optic group 11 more space to be arranged on the roof, thereby realizing different complex patterns.

[0063] like Figures 4 to 11 As shown, to further explain the light-emitting module, specifically, both the starry sky module 1 and the meteor lamp module 2 include:

[0064] The housing assembly 5 includes a PCB board 6 disposed therein, and a light-emitting element 7 and a pin 8 disposed on the PCB board 6. The housing assembly 5 is provided with a plug interface for fastening with the end of the wire harness group 3.2.

[0065] At least one base 9 is formed on the housing assembly 5, and the base 9 houses an optical fiber group 11 for forming a light-emitting pattern;

[0066] The light guide assembly 10 is disposed inside the base 9 and positioned between the light emitter 7 and the optical fiber group 11. The light guide assembly 10 guides the light from the light emitter 7 to the optical fiber group 11.

[0067] The locking module is pluggable to the base 9, and the locking module gathers the optical fiber group 11 and is positioned directly opposite the light-emitting element 7.

[0068] from Figure 3 , Figure 4 and Figure 8 As can be seen from other embodiments, as an implementation of mounting the light-emitting module and the control module 3 on the roof, it also includes an installation module, including multiple module frames 4, each module frame 4 is provided with a starry sky module 1 or a control module or a meteor light module 2, and the module frame 4 is provided with a limiting seat 4.7 that can match the contour of the starry sky module 1, the meteor light module 2 or the controller 3.1.

[0069] Optionally, the bottom of the mold frame 4 is provided with multiple heat dissipation vents 4.1, which are arranged in both the horizontal and vertical directions to ensure the heat dissipation effect of each module.

[0070] Optionally, the housing assembly 5 is provided with a positioning protrusion 5.2 on its periphery, and the mold frame 4 is provided with a positioning groove 4.2 for vertical insertion of the positioning protrusion 5.2, thereby limiting the housing assembly 5 in the horizontal direction.

[0071] Optionally, the periphery of the housing component 5 is also provided with a retaining seat 5.3, and the mold frame 4 is provided with a fastener 4.3 corresponding to the outline of the housing component 5. The housing component 5 is vertically fastened into the fastener 4.3, thereby vertically limiting the housing component 5. Through the above improvements, the housing component 5 can be modularly installed on the mold frame 4.

[0072] Specifically, the mold frame 4 is also provided with multiple mounting holes 4.4 for fixed engagement with the roof.

[0073] As a further improvement to the mold frame 4, a splicing structure is provided between the mold frames 4. The light-emitting module and the control module 3 are arranged at both ends of the roof through the splicing structure. The splicing structure restricts the multiple mold frames 4 from detaching at least in a generally horizontal direction, and the multiple mold frames 4 can be fitted together in a generally vertical direction through the splicing structure.

[0074] Specifically, the splicing structure includes an insert 4.5 disposed on one side of the mold frame 4 and a socket 4.6 disposed on the other side of the mold frame 4. The insert 4.5 has side strips extending toward both ends, and the socket 4.6 is open in the vertical direction, so that the insert 4.5 of one mold frame 4 can be inserted into the socket 4.6 of another mold frame 4 from the vertical direction, thereby limiting the horizontal position of the mold frame 4. Through the above improvements, the light-emitting module and the control module 3 can be modularly installed on the roof of the vehicle.

[0075] The mold frame 4 is provided with a docking position for the insertion interface to ensure stable cooperation between the wire harness group 3.2 and the light-emitting module and the control module 3.

[0076] It should be noted that the light-emitting module and the control module 3 use a soft wire harness in conjunction with a hard connector 3.23, so that the position of the mold frame 4 can be adjusted within the limited length of the wire harness to adapt to different pattern position requirements.

[0077] like Figure 5 , Figure 6 , Figure 9 , Figure 10 As shown, in some other embodiments, as a further explanation of the locking module, the locking module includes:

[0078] The ferrule 12 has a first channel inside. The first channel has a guide port 12.1 for guiding the optical fiber assembly 11 into the fiber assembly 11 along the insertion direction of the optical fiber assembly 11, and a plurality of radially deformable petals 12.2. The first channel is adapted to the overall outer diameter of the optical fiber assembly 11 inserted into the ferrule 12. The plurality of petals 12.2 form an opening that matches the diameter of the first channel, and the plurality of petals 12.2 can expand radially. The elastic stress of the petals 12.2 themselves can bundle the optical fiber assembly 11, initially stabilizing the shape of the optical fiber assembly 11 and the axial position of the optical fiber assembly 11.

[0079] A connecting sleeve 13 is inserted into the base 9 and is restricted from detaching in the axial direction. The connecting sleeve 13 has a second channel. The second channel has a fixed end 13.1 for cooperating with the ferrule 12 in the direction of insertion of the optical fiber group 11, and a closing end 13.2 for shaping the optical fiber into a bundle. The ferrule 12 is inserted into the connecting sleeve 13 in the axial direction, and the axial position of the ferrule 12 is fixed by the fixed end 13.1. After the ferrule 12 is inserted into place, the petal 12.2 abuts against the closing end 13.2 and is squeezed by the closing end 13.2 to further bundle the optical fiber group 11 radially inward.

[0080] In the Starry Sky Module 1, the guide port 12.1 is for accommodating multiple groups of optical fibers 11, and can be a straight port. In the Meteor Lamp Module 2, the guide port 12.1 is for accommodating a smaller number of optical fibers 11, and can be an flared port for easy insertion. It is conceivable that the guide port 12.1 of the Starry Sky Module 1 can also be set to an expanded form.

[0081] As one way to fix the connecting sleeve 13 to the insert 12, the fixed end 13.1 and the insert 12 are fixedly connected by threads.

[0082] As one embodiment of fixing the connecting sleeve 13 to the base 9, the outer periphery of the connecting sleeve 13 is provided with at least two positioning ribs 13.3, and the base 9 is provided with a guide channel 9.3 for the positioning ribs 13.3 to be inserted, thereby limiting the circumferential position of the connecting sleeve 13 in the base 9.

[0083] Specifically, the connecting sleeve 13 has a positioning ring groove 13.4 on its circumferential surface, and the seat 9 has at least two fastening members 9.4 on its circumferential surface. When the connecting sleeve 13 is inserted into the seat 9, the fastening members 9.4 can be expanded by the outer wall of the connecting sleeve 13, and after the connecting sleeve 13 and the seat 9 are in place, the fastening members 9.4 can be engaged in the positioning ring groove 13.4, thereby achieving axial positioning of the connecting sleeve 13 within the seat 9.

[0084] With the above improvements, during the assembly process, the fiber optic group 11 is first inserted into the ferrule 12 and the connecting sleeve 13, and then the connecting sleeve 13 is placed into the base 9. In the assembled state, the end of the fiber optic group 11 is directly facing the light guide assembly 10, thereby realizing the modular installation of the fiber optic group 11.

[0085] In the above embodiments, each of the starry sky modules 1 is provided with a first base 9.1, and the first base 9.1 contains multiple groups of optical fibers 11 with different diameters. As an example, each starry sky module 1 has one light emitter 7, and the ferrule 12 is equipped with 38 optical fibers. The diameter of each optical fiber can be selected as a combination of 1mm, 0.5mm, and 0.75mm. The diameter of the optical fiber group 11 of each starry sky module 1 can also be set to be different, and different constellation effects can be achieved by illuminating the light through different arrangements.

[0086] Each meteor light module 2 is provided with multiple second seats 9.2, which are arranged sequentially about the width of the roof. Multiple groups of optical fibers 11 with different diameters are bundled in the first seat 9.1 and the second seat 9.2. As an example, the number of second seats corresponds to the number of light emitters. As needed, the number can be selected from 1 to the maximum number that can be achieved in practice. Multiple optical fibers are housed in each second seat 9.2 through a ferrule 12, and the multiple light emitters 7 are controlled to light up sequentially through the PCB board 6, thereby achieving the meteor effect.

[0087] like Figure 10 As shown, as a further embodiment of the light guide assembly 10, the meteor lamp module 2 is provided with a plurality of light emitters 7, the housing assembly 5 includes a first housing 5.4 for accommodating the meteor lamp module 2, and the light guide assembly 10 includes a first light guide 10.1 corresponding to the meteor lamp module 2. The first light guide 10.1 is provided with a plurality of light guide units 10.11, each light guide unit 10.11 including a plate 10.14, a light-collecting portion 10.12 that can cover the light emitters 7, and a first light-emitting portion 10.13 positioned within a first base 9.1. The light guide 10.1 and the plate 10.14 correspond to the inner cavity of the first housing 5.4. The plate 10.14 is housed within the first housing 5.4. The light guide unit 10.11 connects the inner cavity of the first housing 5.4 and the base 9. The first light emitting part 10.13 is positioned within the base 9. The outer diameter of the light-collecting part 10.12 is larger than that of the first light emitting part 10.13. The first light emitting part 10.13 has a substantially continuous outer diameter and is positioned directly opposite the fiber optic group 11, thereby guiding the light from the light-emitting element 7 within the first housing 5.4 to the fiber optic group 11.

[0088] like Figure 6As shown, specifically, the starry sky module 1 contains at least one light-emitting element 7. The housing assembly 5 includes a second housing 5.5 for accommodating the starry sky module 1. The light guide assembly 10 includes a second light guide 10.2 corresponding to the starry sky module 1. The second light guide 10.2 includes a focusing portion 10.21 and a second light-emitting portion 10.22 arranged sequentially along the light emission direction. The focusing portion 10.21 is recessed at the end of the second light-emitting portion 10.22. The focusing portion 10.21 is positioned directly opposite the light-emitting element 7 and can cover the light emission direction of the light-emitting element 7. The focusing portion 10.21 has a bowl-shaped cavity positioned directly opposite the light-emitting element 7. The second light-emitting portion 10.22 has a substantially continuous outer diameter and is positioned directly opposite the fiber optic group 11, thereby guiding the light from the light-emitting element 7 in the second housing 5.5 and uniformly dispersing it to the fiber optic group 11.

[0089] Optionally, the outer side of the second light guide 10.2 is also provided with a fastener 10.23, and the second base 9.2 is provided with a fastener groove 9.21 for the fastener 10.23 to be fastened.

[0090] Optionally, the second base 9.2 is provided with a positioning ring that matches any outer diameter of the second ring, and a rib that abuts against the second light-emitting part 10.22, the rib being arranged about the length of the second light-emitting part 10.22.

[0091] In some other embodiments, the light-forming portion 10.12 further has a first segment 10.14 that tapers toward the first light-emitting portion 10.13.

[0092] In some other embodiments, the second light guide 10.2 further includes a second segment 10.22 disposed between the light-concentrating portion 10.21 and the light-emitting portion 10.23. The second segment 10.22 is frustoconical in shape. The light-concentrating portion 10.21 is recessed at the small end of the second segment 10.22, and the second light-emitting portion 10.23 extends to the large end of the second segment 10.22. The light-concentrating portion 10.21 is disposed directly opposite to the light-emitting body 7 and can cover the light-emitting direction of the light-emitting body 7. The light-concentrating portion 10.21 is provided with a bowl-shaped cavity disposed directly opposite to the light-emitting body 7. The second segment 10.22 connects the light-concentrating portion 10.21 and the light-emitting portion 10.23 in an expanded form.

[0093] It should be noted that both the first housing 5.4 and the second housing 5.5 include an upper housing and a lower housing, which are directly fastened together by snap-fit, further facilitating the assembly of the light-emitting module.

[0094] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A car starry sky roof control system, characterized in that, include: The light-emitting module includes multiple starlight modules (1) and multiple meteor light modules (2), wherein the meteor light modules (2) are arranged relative to the roof outline, and the starlight modules (1) are arranged circumferentially relative to the roof outline. The control module (3) includes a controller (3.1) and a wiring harness (3.2). The controller (3.1) is connected to the vehicle system electrical signal to receive and convert control signals. The controller (3.1) is connected to the starry sky module (1) and the meteor lamp module (2) through the wiring harness (3.2) and distributes control signals to the starry sky module (1) and the meteor lamp module (2) so that the starry sky module (1) and / or the meteor lamp module (2) emit light and form a preset pattern. The wiring harness group (3.2) includes a first wiring harness (3.21) and a second wiring harness (3.22). The two signal delivery ends of the first wiring harness (3.21) and the second wiring harness (3.22) are provided with connectors (3.23). The first wiring harness (3.21) is connected to the vehicle unit and the controller (3.1) through the connectors (3.23). The second wiring harness (3.22) is arranged about the roof outline, and the second wiring harness (3.22) is connected to the controller (3.1) and the starry sky module (1) and the controller (3.1) and the meteor light module (2) through the connectors (3.23). It also includes an installation module, comprising multiple module frames (4), wherein the module frames (4) are provided with limiting seats (4.7) that can match the contours of the starry sky module (1), the meteor light module (2) or the controller (3.1); The mold frame (4) is provided with a splicing structure. The light-emitting module and the control module (3) are arranged at both ends of the roof through the splicing structure. The splicing structure restricts the multiple mold frames (4) from coming out at least in a roughly horizontal direction, and the multiple mold frames (4) can be fitted together in a roughly vertical direction through the splicing structure. The splicing structure includes an insert block disposed on one side of the mold frame and a socket disposed on the other side of the mold frame. The insert block has side strips extending toward both ends, and the socket is open in the vertical direction, so that the insert block of one mold frame can be inserted into the socket of another mold frame from the vertical direction. Both the starry sky module (1) and the meteor light module (2) include: The housing assembly (5) includes a PCB board (6) disposed therein, and a light-emitting element (7) and a pin (8) disposed on the PCB board (6). The housing assembly (5) is provided with a connector (5.1) for fastening with the end of the wire harness assembly (3.2). At least one base (9) is formed on the housing assembly (5), and the base (9) houses an optical fiber group (11) for forming a light-emitting pattern; The light guide assembly (10) is positioned between the light emitter (7) and the optical fiber assembly (11); The locking module is pluggable to the base (9), and the locking module gathers the optical fiber group (11) and is positioned facing the light emitter (7).

2. The automotive starry sky roof control system according to claim 1, characterized in that: The locking module includes: The ferrule (12) is provided with a guide port (12.1) for guiding the optical fiber group (11) into the ferrule (12), and a plurality of lobes (12.2) that are deformable in the radial direction; A connecting sleeve (13) is inserted into the base (9) and is restricted from detaching in the axial direction. The connecting sleeve (13) is provided with a fixed end (13.1) for cooperating with the ferrule (12) and a closing end (13.2) for shaping the optical fiber into a bundle.

3. The automotive starry sky roof control system according to claim 1, characterized in that: Each of the starry sky modules (1) is provided with a first seat (9.1), and each of the meteor lamp modules (2) is provided with multiple second seats (9.2). The multiple second seats (9.2) are arranged sequentially about the width of the roof. Multiple groups of optical fibers (11) with different diameters are gathered in the first seat (9.1) and the second seat (9.2).

4. The automotive starry sky roof control system according to claim 3, characterized in that: The meteor lamp module is provided with multiple light emitters (7), and the light guide assembly (10) includes a first light guide (10.1), on which multiple light guide units (10.11) are provided. The light guide unit (10.11) includes a light-collecting part (10.12) that can cover the light emitter (7), and a first light-emitting part (10.13) positioned in the first base (9.1). The first light-emitting part (10.13) has a generally continuous outer diameter and is positioned directly opposite the optical fiber group (11).

5. The automotive starry sky roof control system according to claim 3, characterized in that: The starry sky module is provided with at least one light-emitting body (7). The light guide component (10) includes a second light guide (10.2). The second light guide (10.2) includes a light-focusing part (10.21) and a second light-emitting part (10.22) arranged sequentially along the light-emitting direction. The light-focusing part (10.21) is arranged facing the light-emitting body (7), and the light-focusing part (10.21) is provided with a bowl-shaped cavity arranged facing the light-emitting body (7). The second light-emitting part (10.22) has a generally continuous outer diameter and is arranged facing the optical fiber group (11).

6. A car starry sky roof control system according to any one of claims 1 to 5, characterized in that: The wiring harness group (3.2) is used to transmit LIN communication signals. The starry sky module (1) and the meteor lamp module (2) both include PCB boards. The PCB board (6) is equipped with an INDI chip. The controller (3.1) uses the CAN communication protocol with the vehicle system. The controller (3.1) is equipped with an NXP main drive chip to collect vehicle system signals and output LIN signals to the light-emitting module through the wiring harness group (3.2).