CN-224233872-U - Side-lighting type starry sky glass controller for automobile skylight

Abstract

The utility model relates to the field of automotive interiors and discloses a side-lighting type star glass controller of an automotive skylight, which comprises a plurality of lamp strip control modules, a plurality of lamp strip driving units, a plurality of lamp strip control modules, a lamp strip controller and a lamp strip controller, wherein the lamp strip control modules are connected with the lamp strip control modules and are used for supplying power to power supplies of the lamp strip driving units, and the lamp strip control modules comprise the lamp strip controller which is used for sending instructions to the lamp strip driving units. According to the utility model, the lamp bead drive is integrated on the lamp strip, so that the complexity of a hardware drive circuit is simplified, and a richer starry sky lamp light atmosphere mode is realized by independently controlling a single LED, so that the number of required elements is reduced, the difficulty of circuit layout and wiring is reduced, and the code complexity of a software control module is correspondingly reduced due to the integrated hardware design.

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 side luminous type sky glass controller which characterized in that includes: a light strip control module (200); The lamp strip driving units (300) are in a plurality, the lamp strip driving units (300) are connected with the lamp strip control module (200), and the lamp strip control module (200) is used for supplying power to the power supplies of the lamp strip driving units (300); the lamp strip control module (200) comprises a lamp strip controller, the lamp strip controller is used for sending instructions to a plurality of lamp strip driving units (300), and the lamp strip control module (200) carries out command receiving and sending and signal interaction with each group of lamp strips through CAN communication.
2. 2. The sunroof side-emission type star glass controller according to claim 1, wherein the lamp strip controller comprises: And the universal asynchronous receiving and transmitting transmitter is used for providing asynchronous serial communication, and the asynchronous serial communication converts the signal of the lamp strip controller into a differential signal.
3. 3. The sunroof side-emission type star glass controller according to claim 2, wherein the lamp strip controller further comprises: And the CAN transceiver is arranged on the lamp strip controller, is connected with the plurality of lamp strip driving units (300), and converts differential signals through a CAN physical layer on the CAN transceiver and transmits the converted differential signals to each lamp strip driving unit (300).
4. 4. The sunroof side-emission type star glass controller according to claim 1, wherein the lamp strip controller further comprises: The direct-current power supply is connected with the lamp strip controller; The controllable 12V power supply, the lamp strip controller is connected with the controllable 12V power supply, the controllable 12V power supply is connected with a plurality of lamp strip driving units (300), and the controllable 12V power supply provides voltage for the lamp strip driving units (300).
5. 5. The sunroof side-emission type star glass controller according to claim 1, wherein the lamp strip controller further comprises: the thermistor is connected with the lamp strip controller and is used for monitoring the temperature of the lamp strip control module (200); The low-dropout linear voltage regulator is connected in the lamp strip control module (200) and is used for converting a vehicle-mounted 12V power supply system into a 5V power supply to supply power for the lamp strip controller.
6. 6. The sunroof side-emission type star glass controller according to claim 1, wherein the lamp strip controller further comprises: and the LIN transceiver is connected in the lamp strip control module (200).
7. 7. The side-emitting type star glass controller for an automobile sunroof according to claim 1, wherein the lamp strip control module (200) is connected with 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 control module (200), and the lamp strip control module (200) is used for converting the LIN command into serial data.
8. 8. The side-emission type star glass controller for automobile sunroof according to claim 3, wherein the lamp strip driving unit (300) comprises: the CAN transceiver is connected with the lamp control driver; The lamp pearl, quantity is a plurality of, the lamp accuse drive is connected with a plurality of lamp pearl.
9. 9. The side-emitting type star glass controller for an automobile sunroof according to claim 8, wherein the lamp control drive comprises: And the communication module is connected with the lamp strip controller, and the CAN transceiver is connected with the communication module.
10. 10. The side-emitting type starry sky glass controller of an automobile skylight of claim 8, wherein the lamp control driving and each lamp bead are controlled in a low-side driving mode.

Description

Side-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 side-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 starry sky roof is used as an auxiliary lighting lamp for creating atmosphere in a vehicle and improving the decorative effect of the interior, and as the requirements of consumers on the quality of the interior of the vehicle are increased, the starry sky roof is more and more valued by large host factories, and the requirements of users on the lamplight mode of the starry sky roof are increased in recent years. The existing side-lighting type star glass controller for the automobile skylight needs a large number of discrete components and complex driving circuits to control the lamp strips, and needs a large number of driving chips to support the operation of a plurality of lamp strips, so that the cost is high. Disclosure of utility model The utility model aims to solve the technical problems that the existing automobile skylight side-emitting type starry sky glass controller needs a large number of discrete elements and complex driving circuits to control the lamp strips, and needs a large number of driving chips to support the operation of a plurality of lamp strips, so that the cost is high. Aiming at the defects of the prior art, the side-lighting type star-sky glass controller for the automobile skylight is provided. The utility model adopts the following technical scheme for solving the technical problems. The side-lighting type star glass controller for the automobile skylight comprises a plurality of lamp strip control modules, a plurality of lamp strip driving units, wherein the lamp strip driving units are connected with the lamp strip control modules, the lamp strip control modules are used for supplying power to power supplies of the lamp strip driving units, the lamp strip control modules comprise lamp strip controllers, the lamp strip controllers are used for sending instructions to the lamp strip driving units, and the lamp strip control modules are used for carrying out command receiving and transmitting and signal interaction with each group of lamp strips through CAN communication. Preferably, the lamp band controller includes a universal asynchronous receiver transmitter for providing asynchronous serial communication that converts the signals of the lamp band controller into differential signals. Preferably, the lamp band controller further comprises a CAN transceiver which is arranged on the lamp band controller and is connected with the plurality of lamp band driving units, and differential signals are converted through a CAN physical layer on the CAN transceiver and are sent to each lamp band driving unit. Preferably, the lamp strip controller further comprises a direct current power supply connected with the lamp strip controller and a controllable 12V power supply, wherein the lamp strip controller is connected with the controllable 12V power supply, the controllable 12V power supply is connected with the plurality of lamp strip driving units, and the controllable 12V power supply provides voltage for the lamp strip driving units. Preferably, the lamp strip controller further comprises a thermistor connected with the lamp strip controller, wherein the thermistor is used for monitoring the temperature of the lamp strip control module, and a low-dropout linear voltage stabilizer is connected in the lamp strip control module and used for converting a vehicle-mounted 12V power supply system at a control end into a 5V power supply to supply power for the lamp strip controller. Preferably, the lamp strip controller further comprises a LIN transceiver connected in the lamp strip control module, and the LIN transceiver is connected with the control terminal. Preferably, the lamp strip control module is connected with the control end through a wire harness, the control end is used for sending the vehicle-mounted power supply and the LIN command to the lamp strip control module, and the lamp strip control module is used for converting the LIN command into serial data. Preferably, the lamp strip driving unit comprises a lamp control driver, wherein the CAN transceiver is connected with the lamp control driver, the number of the lamp beads is a plurality of the lamp control driver, and the lamp control driver is connected with the plurality of the lamp beads. Preferably, the lamp control driver comprises a communication module connected with the lamp band controller, and the CAN transceiver is connected with the communication module. Preferably,