一种车载多模态智能控制装置
By integrating a wired touchscreen, a wireless tablet, and a voice module, a multimodal intelligent control device is constructed, which solves the problems of signal interference and recognition accuracy in complex environments for in-vehicle intelligent control systems, and achieves highly responsive and reliable in-vehicle human-machine interaction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI JIANGLING MOTORS GRP REFITTED VEHICLES CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-07-17
AI Technical Summary
Existing vehicle intelligent control systems are susceptible to signal interference in complex electromagnetic environments, voice control accuracy decreases in high-noise environments, and the flexibility of wired touch screen interaction is limited.
By integrating a wired touchscreen, a wireless tablet, and a voice module, a unified heterogeneous communication network is constructed. Signal arbitration chips and protocol conversion chips are used to realize priority judgment and protocol conversion of multimodal input signals, thus constructing a complete in-vehicle multimodal intelligent control architecture.
It achieves highly responsive and reliable in-vehicle human-machine interaction in complex environments, ensuring command coordination and communication compatibility, and improving the safety and convenience of operation.
Smart Images

Figure CN224519165U_ABST
Abstract
Claims
1. A vehicle-mounted multi-modal intelligent control device, characterized in that: It includes the application layer, communication layer, and hardware layer; The application layer includes a wired touchscreen, a voice module, and a wireless tablet; the communication layer includes a control board, a communication module, and an RS232 bus; the wired touchscreen, the voice module, and the wireless tablet are respectively connected to the communication module, the control board is connected to the communication module to form bidirectional communication, the control board is connected to part of the hardware layer through the RS232 bus, and the communication module is connected to part of the hardware layer. The control board includes a central processing unit (CPU), a signal arbitration chip, and a protocol conversion chip. The CPU is connected to both the signal arbitration chip and the protocol conversion chip. The wired touchscreen, the voice module, and the wireless tablet are connected to the signal arbitration chip. The signal arbitration chip is used to determine the priority of the input signals from the wired touchscreen, the voice module, and the wireless tablet. The protocol conversion chip is used to convert the output signal of the CPU.
2. The vehicle onboard multi-modal intelligent control device of claim 1, wherein: The communication module includes an RS485 bus module and a local area network (LAN) module. The RS485 bus module includes a 485 hub and a 485 gateway connected to the 485 hub. The 485 hub is connected to the 485 interface of the wired touchscreen, the 485 interface of the voice module, and part of the hardware layer via shielded twisted-pair cables. The LAN module includes a wireless gateway and a LAN switch connected to the wireless gateway. The wireless tablet is connected to the wireless gateway, and the RJ45 interface of the LAN switch is connected to the 485 gateway.
3. The vehicle onboard multi-modal intelligent control device of claim 2, wherein: The signal arbitration chip includes chip U10, the wired touch screen includes terminal H4, the voice module includes terminal H6, and the wireless gateway includes terminal H7. Pins 1 and 2 of terminal H4 are connected in parallel with pins 12 and 13 of chip U10 and the 485 hub, respectively. Pins 1 and 2 of terminal H6 are connected in parallel with pins 1 and 2 of chip U10 and the 485 hub, respectively. Pins 1 and 2 of terminal H7 are connected in parallel with pins 10 and 11 of chip U10 and the 485 hub, respectively.
4. The vehicle onboard multi-modal intelligent control device of claim 3, wherein: The voice module includes a main chip, a voice chip, a communication chip, a microphone, and a second speaker. The main chip is connected to the voice chip and the communication chip, the voice chip is connected to the microphone and the second speaker, and the communication chip is used for communication protocol conversion.
5. The vehicle onboard multi-modal intelligent control device of claim 2, wherein: The hardware layer includes relays, a power sequencer, a video matrix, and an audio processor. The relays and the audio processor are connected in parallel to the 485 hub via shielded twisted-pair cables. The control board is connected in parallel to the video matrix and the power sequencer via the RS232 bus.
6. The vehicle onboard multi-modal intelligent control device of claim 5, wherein: The central processing unit includes a chip U8. Pins 15, 16, 17, and 18 of the chip U8 are connected to pins 6, 7, 19, and 14 of the chip U10, respectively. The control board includes terminals H8 and H9. Pins 25 and 26 of the chip U8 are connected to pins 1 and 2 of the terminal H8, respectively. The terminal H8 is connected to the video matrix. Pins 92 and 93 of the chip U8 are connected to pins 1 and 2 of the terminal H9, respectively. The terminal H9 is connected to the power sequencer.
7. The vehicle onboard multi-modal intelligent control device of claim 6, wherein: The protocol conversion chip includes chip U11, the control board includes terminal H10, pins 6 and 7 of chip U11 are connected to pins 1 and 2 of terminal H10 respectively, pins 1 and 4 of chip U11 are connected to pins 69 and 68 of U8 respectively, and terminal H10 is connected to the 485 hub.