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CN-224233873-U - Front-lighting type starry sky glass controller for automobile skylight

CN224233873UCN 224233873 UCN224233873 UCN 224233873UCN-224233873-U

Abstract

The utility model relates to the field of automotive interiors and discloses a front-lighting type star glass controller for an automotive skylight, which comprises a lamp strip controller and a lamp strip module, wherein the lamp strip module is connected with the lamp strip controller through a CAN physical layer and comprises a plurality of lamp strips, a plurality of independently controllable lamp beads are distributed on each lamp strip, and the lamp beads are connected with each other in a daisy-chain communication mode. The utility model realizes the high integration of the star-sky-top control device by optimizing the hardware design, and can obviously reduce the number of hardware components, simplify the system structure and reduce the design complexity and the manufacturing cost by integrating the advanced microprocessor unit, the driving circuit and the control circuit.

Inventors

  • CHEN YU

Assignees

  • 英纳法企业管理（上海）有限公司

Dates

Publication Date
20260512
Application Date
20250529
Priority Date
20241226

Claims (10)

  1. 1. The utility model provides a sunroof front luminous type sky glass controller which characterized in that includes: a light strip controller (200); The lamp strip module (300), lamp strip module (300) are connected with lamp strip controller (200) through CAN physical layer, lamp strip module (300) are including many lamp strips, and it has a plurality of independently controllable lamp pearls to distribute on every lamp strip, is connected through the communication mode of daisy chain between lamp pearl and the lamp pearl.
  2. 2. The front lighting type star glass controller for automobile sunroof according to claim 1, wherein the lamp strip controller (200) is connected to the control end (100) through a wire harness, the control end (100) is used for sending a vehicle-mounted power supply and an LIN command to the lamp strip controller (200), the lamp strip controller (200) is used for receiving the LIN command of the control end (100), the lamp strip controller (200) sends a control signal to the lamp strip and supplies power to the power supply of the lamp strip, and the lamp strip controller (200) comprises: The power conversion unit is installed in the lamp strip controller (200), the power conversion unit is connected with the control end (100), the lamp strip module (300) is connected with the power conversion unit, and the power conversion unit is used for converting a received 12V power supply into 5V and supplying power to the MCU and the lamp strip module (300).
  3. 3. The front lighting type star glass controller for automobile sunroof according to claim 1, wherein the lamp strip controller (200) further comprises: The LIN communication unit is arranged in the lamp strip controller (200), is connected with the control end (100), and is used for receiving an LIN command sent by the control end (100) through a wire harness, converting the LIN command into a serial port communication form and establishing communication with the control end (100).
  4. 4. The front lighting type star glass controller for automobile sunroof according to claim 1, wherein the lamp strip controller (200) further comprises: And the SPI communication unit is arranged in the lamp band controller (200), the lamp band module (300) is connected with the SPI communication unit, and the SPI communication unit is used for converting SPI signals into differential signals and transmitting the differential signals to the lamp band module (300) through the CAN physical layer.
  5. 5. The front lighting type star glass controller for automobile sunroof according to claim 4, wherein the lamp strip controller (200) further comprises: The CAN communication unit is arranged in the lamp strip controller (200), the CAN communication unit is connected with the SPI communication unit, and the CAN communication unit is used for converting a signal sent by the SPI into a low-voltage differential signal which CAN be identified by the lamp beads through a physical layer of the CAN.
  6. 6. The front lighting type starry sky glass controller of an automobile sunroof according to claim 1, wherein the lamp strip comprises: And the CAN transceiver is arranged in the lamp band, is connected with the CAN communication unit and is used for strengthening low-voltage differential signals through a CAN physical layer.
  7. 7. The front lighting type starry sky glass controller of an automobile sunroof according to claim 6, wherein the lamp strip further comprises: And the RGB driver is arranged in the lamp bead of the lamp strip.
  8. 8. The front lighting type star glass controller for automobile sunroof according to claim 1, wherein the lamp strip controller (200) further comprises: The power interface is arranged on the lamp strip controller (200) and is used for receiving a vehicle-mounted power supply; The LIN communication interface is arranged on the lamp strip controller (200) and is used for receiving the LIN command and realizing communication with the whole vehicle control system.
  9. 9. The front lighting type star glass controller for automobile sunroof according to claim 3, wherein the lamp strip controller (200) further comprises: And the microprocessor unit is arranged in the lamp strip controller (200) and is used for processing the received LIN command and the atmosphere effect instruction issued by the user and generating a control signal.
  10. 10. The front lighting type star glass controller for an automobile sunroof according to claim 9, wherein the lamp strip controller (200) further comprises: And the voltage stabilizer is arranged in the lamp strip controller (200), is connected with the microprocessor unit and is used for providing a 5V power supply for the MCU.

Description

Front-lighting type starry sky glass controller for automobile skylight Technical Field The utility model relates to the field of automotive interiors, in particular to a front-lighting type starry sky glass controller for an automotive skylight. Background With the rapid development of the automobile industry and the continuous improvement of the quality requirements of consumers on automobile interiors, an in-car atmosphere lighting system gradually becomes an important element for improving the luxury feeling and riding experience of a vehicle. The star-sky roof is taken as one of the atmosphere lighting in the vehicle, and brings romantic and comfortable visual enjoyment to passengers by simulating the starry effect in the night, so that the star-sky roof is favored by the market. The integration level of the existing star-sky-top control device is generally low, the hardware design is relatively complex, each lamp bead cannot be independently controlled, the system cannot achieve more flexible and changeable light effects, if each lamp bead is independently controlled, an independent driving circuit and an independent control circuit are required to be arranged, the complexity and the design difficulty of the system are increased, the overall cost is increased, and the reliability and the stability of the system are reduced. Disclosure of utility model The utility model aims to solve the technical problems that the existing star-sky-top control device is generally low in integration level, relatively complex in hardware design, incapable of independently controlling each lamp bead and incapable of realizing more flexible and changeable light effects. Aiming at the defects of the prior art, the front-lighting type star glass controller for the automobile skylight is provided. The utility model adopts the following technical scheme for solving the technical problems. The front-side luminous star glass controller of the automobile skylight comprises a lamp strip controller and lamp strip modules, wherein the lamp strip modules are connected with the lamp strip controller through a CAN physical layer, each lamp strip module comprises a plurality of lamp strips, a plurality of independently controllable lamp beads are distributed on each lamp strip, and the lamp beads are connected with each other in a daisy chain communication mode. Preferably, the lamp strip controller is connected with the control end through a wire harness, the control end is used for sending a vehicle-mounted power supply and an LIN command to the lamp strip controller, the lamp strip controller is used for receiving the LIN command of the control end, the lamp strip controller sends a control signal to the lamp strip and supplies power for the power supply of the lamp strip, the lamp strip controller comprises a power supply conversion unit, the power supply conversion unit is installed in the lamp strip controller, the power supply conversion unit is connected with the control end, the lamp strip module is connected with the power supply conversion unit, and the power supply conversion unit is used for converting the received 12V power supply into 5V power to supply the MCU and the lamp strip module. Preferably, the lamp band controller further comprises a LIN communication unit which is arranged in the lamp band controller and is connected with the control end, wherein the LIN communication unit is used for receiving an LIN command sent by the control end through a wire harness and converting the LIN command into a serial communication form to establish communication with the control end. Preferably, the lamp band controller further comprises an SPI communication unit which is installed in the lamp band controller, the lamp band module is connected with the SPI communication unit, and the SPI communication unit is used for converting SPI signals into differential signals and sending the differential signals to the lamp band module through the CAN physical layer. Preferably, the lamp strip controller further comprises: the CAN communication unit is arranged in the lamp band controller, the CAN communication unit is connected with the SPI communication unit, and the CAN communication unit is used for converting a signal sent by the SPI into a low-voltage differential signal which CAN be identified by the lamp beads through a physical layer of the CAN. Preferably, the light strip comprises: And the CAN transceiver is arranged in the lamp band, is connected with the CAN communication unit and is used for strengthening low-voltage differential signals through a CAN physical layer. Preferably, the light strip further comprises: And the RGB driver is arranged in the lamp bead of the lamp strip. Preferably, the lamp strip controller further comprises: the power interface is arranged on the lamp strip controller and is used for receiving a vehicle-mounted power supply; The LIN communication interface is arranged on the lamp strip controller