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WO-2026092099-A1 - ELECTRONIC AND ELECTRICAL SYSTEM AND VEHICLE

WO2026092099A1WO 2026092099 A1WO2026092099 A1WO 2026092099A1WO-2026092099-A1

Abstract

An electronic and electrical system and a vehicle. The electronic and electrical system comprises a central computing platform, a plurality of optical boxes, and a plurality of electronic devices. The central computing platform is in fiber-optic communication with the plurality of optical boxes. The communication mode between each of the plurality of electronic devices and at least one of the plurality of optical boxes is at least one of electrical communication and fiber-optic communication. At least two of the plurality of optical boxes are connected by means of optical fibers.

Inventors

  • LIAN, YUBO
  • ZHONG, Yilin
  • WANG, WEI
  • SHENG, Hejiang
  • QIU, XIAOQING
  • LUO, HAO

Assignees

  • 比亚迪股份有限公司

Dates

Publication Date
20260507
Application Date
20251011
Priority Date
20241031

Claims (20)

  1. An electronic and electrical system (100) includes a central computing platform (110), multiple optical boxes, and multiple electronic devices; The central computing platform (110) communicates with the plurality of optical boxes via optical fiber, and the communication method between each of the plurality of electronic devices and at least one of the plurality of optical boxes is at least one of electrical communication and optical fiber communication.
  2. According to claim 1, the electronic and electrical system (100) wherein at least two of the plurality of optical boxes are connected by optical fibers.
  3. According to claim 1 or 2, the electronic and electrical system (100) includes a first optical box (121) and a second optical box (122), wherein the first optical box (121) is connected to the central computing platform (110) via optical fiber, and the second optical box (122) is connected to the first optical box (121) via optical fiber.
  4. According to claim 3, the electronic and electrical system (100) is wherein the second optical box (122) is connected to the central computing platform (110) via optical fiber.
  5. According to claim 4, the electronic and electrical system (100) includes a third optical box (123), which is connected to at least one of the second optical box (122) and the first optical box (121) via optical fiber.
  6. According to claim 5, the electronic and electrical system (100) is wherein the third optical box (123) is connected to the central computing platform (110) via optical fiber.
  7. According to claim 6, the electronic and electrical system (100) further includes a fourth optical box (124), which is connected to the first optical box (121) and the third optical box (123) via optical fiber.
  8. The electronic and electrical system (100) according to any one of claims 1 to 7, wherein the plurality of electronic devices include at least one of sensors and actuators.
  9. The electronic and electrical system (100) according to claim 1 or 2, wherein the plurality of optical boxes includes a first optical box (121), the first optical box (121) including at least one of a beam splitter and an optical module.
  10. According to claim 9, the electronic and electrical system (100) includes a first optical box (121) comprising a beam splitter; the plurality of optical boxes further includes a second optical box (122). The splitter of the first optical box is connected to at least one of the optical modules of the second optical box (122) and the electronic device via optical fiber.
  11. According to the electronic and electrical system (100) of claim 10, the first optical box (121) further includes an optical connector connected to the beam splitter; The optical connector is connected via an optical fiber to at least one of the optical modules of the second optical box (122) and the electronic device; or, the optical connector is connected via an optical fiber to the splitter of the second optical box (122).
  12. According to claim 9, the electronic and electrical system (100) wherein the first optical box (121) includes an optical module for at least one of photoelectric conversion and electro-optical conversion, and the optical module is electrically connected to the electronic device.
  13. According to the electronic and electrical system (100) of claim 12, the first optical box (121) further includes a power distribution component connected to the vehicle's power supply system, and the power distribution component is connected to the optical module to supply power to the optical module.
  14. The electronic and electrical system (100) according to any one of claims 1 to 13, wherein the central computing platform (110) includes a system-on-a-chip (SoC), at least one media access control (MAC) chip (1102), and at least one optical line terminal (OLT) optical module; The SoC communicates electrically with the at least one MAC chip (1102), and the at least one MAC chip (1102) communicates electrically with the at least one OLT optical module.
  15. According to the electronic and electrical system (100) of claim 14, wherein the at least one MAC chip includes a first MAC chip, the first MAC chip being in electrical communication with at least two OLT optical modules in the at least one OLT optical component, and the at least two OLT optical modules including a first OLT optical module and a second OLT optical module; After the second OLT optical module fails, the first OLT optical module is responsible for transmitting at least one of the information sent and received by the first MAC chip; or, After the first OLT optical module fails, the second OLT optical module is responsible for transmitting at least one of the information sent and received by the first MAC chip.
  16. According to the electronic and electrical system (100) of claim 15, the plurality of optical boxes includes a first optical box (121), the first optical box (121) being connected to the first OLT optical module via optical fiber, and the first optical box (121) being connected to the second OLT optical module via optical fiber.
  17. According to the electronic and electrical system (100) of claim 15, the plurality of optical boxes include a first optical box (121) and a second optical box (122); the first optical box (121) is connected to the first OLT optical module via optical fiber, and the second optical box (122) is connected to the second OLT optical module via optical fiber.
  18. According to the electronic and electrical system (100) of claim 17, the first optical box (121) is further connected to the second OLT optical module via optical fiber, and the second optical box (122) is further connected to the first OLT optical module via optical fiber.
  19. According to the electronic and electrical system (100) of claim 14, the at least one MAC chip includes a first MAC chip and a second MAC chip; After the second MAC chip fails, the first MAC chip is responsible for transmitting at least one of the information sent and received by the SoC; or, After the first MAC chip fails, the second MAC chip is responsible for transmitting at least one of the information sent and received by the SoC.
  20. According to the electronic and electrical system (100) of claim 19, the at least one OLT optical module includes a first OLT optical module and a third OLT optical module; the first MAC chip is electrically connected to the first OLT optical module, and the second MAC chip is electrically connected to the third OLT optical module.

Description

Electrical and electronic systems and vehicles This application claims priority to Chinese patent application No. 202411555414.0, filed on October 31, 2024, the entire contents of which are incorporated herein by reference. Technical Field This disclosure relates to the field of vehicle communication technology, and more particularly to an electronic and electrical system and a vehicle. Background Technology With the development of vehicle intelligence, the demand for in-vehicle functions such as intelligent driving is constantly increasing, and the design of vehicle electronic and electrical systems is facing various challenges. Summary of the Invention This disclosure provides an electronic and electrical system and a vehicle. In a first aspect, an electronic and electrical system is provided, including a central computing platform, multiple optical boxes, and multiple electronic devices; the central computing platform communicates with the multiple optical boxes via optical fiber, and the multiple electronic devices are... At least two of the multiple optical boxes are connected by optical fiber. The electronic and electrical system provided in some embodiments of this disclosure connects the central computing platform and each optical box via optical fiber to achieve optical fiber communication between the central computing platform and the optical box. Since optical fiber carries data by transmitting optical signals, and optical signals do not suffer from electromagnetic interference, the data transmission rate in vehicle communication can be improved. Furthermore, using optical fiber to connect various devices in the electronic and electrical system can unify the data types between different devices, thereby unifying the device interface types and reducing the complexity of the electronic and electrical system. In a second aspect, a vehicle is provided, comprising the electronic and electrical systems described in any of the foregoing embodiments. Attached Figure Description To more clearly illustrate the technical solutions of some embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Figure 1 is an architecture diagram of an electronic and electrical system according to some embodiments; Figure 2 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 3 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 4 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 5 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 6 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 7 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 8 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 9 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 10 is an architecture diagram of another electronic and electrical system according to some embodiments; Figure 11 is a structural diagram of a cable and optical box according to some embodiments; Figure 12 is an architecture diagram of an optical network according to some embodiments; Figure 13 is a structural diagram of an optical box according to some embodiments; Figure 14 is an architecture diagram of a slave MAC chip according to some embodiments; Figure 15 is an architecture diagram of a master MAC chip according to some embodiments; Figure 16 is a schematic diagram of a scenario of an electronic and electrical system according to some embodiments; Figure 17 is a schematic diagram of another scenario of an electronic and electrical system according to some embodiments; Figure 18 is a schematic diagram of another scenario of an electronic and electrical system according to some embodiments; Figure 19 is a schematic diagram of another scenario of an electronic and electrical system according to some embodiments; Figure 20 is a schematic diagram of another scenario of an electronic and electrical system according to some embodiments; Figure 21 is a schematic diagram of another scenario of an electronic and electrical system according to some embodiments; Figure 22 is a schematic diagram of another scenario of an electronic and electrical system according to some embodiments; Figure 23 is a schematic diagram of another scenario of an electronic and electrical system according to some embodiments; Figure 24 is an architecture diagram of another optical