Vehicle-mounted communication device and vehicle

By designing the conversion processing module of the on-board communication device, the problems of low ecological integration between the vehicle and the mobile terminal and inflexible communication adaptation are solved, efficient audio integration and vehicle audio reusability are achieved, and users' car use experience is improved.

CN120075309AActive Publication Date: 2025-05-30BEIJING CAVAN NEW ENERGY AUTOMOTIVE CO LTD
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Patent Information

Application Number
CN202510073275.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-05-30
Estimated Expiration
2045-01-16

AI Technical Summary

Technical Problem

In the prior art, the ecological integration between vehicles and mobile terminals is low, the communication adaptation is not flexible enough, the vehicle bus cannot be adapted to the vehicle bus, the vehicle audio has poor reusability, and the software cannot be developed for the vehicle business, which reduces the user's car experience.

Method used

A vehicle-mounted communication device is designed, including a conversion processing module, which connects the mobile terminal through the first communication interface to convert information between the vehicle-mounted communication and the mobile terminal communication, thereby improving the flexibility and adaptability of communication. At the same time, the multimedia device is connected through the second communication interface to convert audio information, improving the reusability of audio integration and vehicle audio.

Benefits of technology

The communication of mobile terminals is flexible to adapt to the vehicle's entire vehicle bus, on-board communication and audio playback, which improves the ecological integration between the vehicle and the mobile terminal and the flexibility of ecological integration, and provides a convenient and low-cost solution to connect mobile terminal resources to the vehicle.

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Abstract

The invention provides a vehicle-mounted communication device and a vehicle, and the device comprises a conversion processing module which is connected with a mobile terminal through a first communication interface, is connected with multimedia equipment through a second communication interface, and is used for carrying out the conversion of communication information between vehicle-mounted communication and mobile terminal communication, or carrying out the conversion of communication information between the mobile terminal and the multimedia equipment. The method is used for audio information conversion between the multimedia equipment and the mobile terminal. Based on the connection relationship among the conversion processing module, the mobile terminal and the multimedia equipment, the communication of the mobile terminal is flexibly adapted to the whole vehicle bus of the vehicle, the vehicle-mounted communication of the vehicle and the audio playing, so that the Internet ecology, hardware resources and the like of the vehicle and the mobile terminal can be flexibly applied; and the vehicle business can be conveniently developed by using the Internet application, and a scheme for conveniently accessing the mobile terminal resource to the vehicle at low cost is provided, so that the ecological integration of the vehicle and the mobile terminal and the flexibility of ecological integration are improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and more particularly to an in-vehicle communication device and a vehicle. Background Art

[0002] The ecological integration between a vehicle and a mobile terminal is very important for the user's driving experience. In related technologies, by modifying and customizing the multimedia device on the vehicle, it is possible to wirelessly access the vehicle's audio system to play the audio of the mobile terminal, etc.

[0003] However, adopting the above method requires modifying and customizing the vehicle, which only solves the problem of whether the audio can be played or not. There are problems such as inflexible communication adaptation between the mobile terminal and the vehicle, inability to adapt to the vehicle's vehicle bus, poor reusability with the vehicle audio, and inability to develop software for vehicle operations. As a result, the ecological integration between the vehicle and the mobile terminal is relatively low and inflexible, reducing the user's driving experience. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art.

[0005] To this end, one object of the present invention is to provide an in-vehicle communication device, which solves the problems of inflexible communication adaptation between the mobile terminal and the vehicle, inability to adapt to the vehicle bus, poor reusability with the vehicle audio, and inability to develop software for vehicle operations, thereby improving the ecological integration and flexibility between the vehicle and the mobile terminal, and enhancing the user's driving experience.

[0006] To this end, the second object of the present invention is to provide a vehicle.

[0007] To achieve the above object, an embodiment of the first aspect of the present invention provides an in-vehicle communication device, the device includes: a conversion processing module, the conversion processing module is connected to a mobile terminal through a first communication interface, and the conversion processing module is connected to a multimedia device through a second communication interface, for converting communication information between in-vehicle communication and the mobile terminal communication, or for converting audio information between the multimedia device and the mobile terminal.

[0008] The vehicle-mounted communication device according to an embodiment of the present invention connects the chip for vehicle-mounted communication conversion in the conversion processing module to the mobile terminal through the first communication interface to convert the communication information between the vehicle-mounted communication and the communication of the mobile terminal, improving the flexibility and adaptability of the communication between the mobile terminal and the vehicle. Connecting the chip for audio information conversion in the conversion processing module to the mobile terminal through the first communication interface and connecting to the multimedia device through the second communication interface, which is used for converting the audio information between the multimedia device and the mobile terminal, can improve the flexibility and adaptability of integrating the audio of the mobile terminal into the vehicle system and the reusability with the vehicle audio system. Based on the connection relationship among the conversion processing module, the mobile terminal and the multimedia device, the communication of the mobile terminal is flexibly adapted to the vehicle's vehicle bus, vehicle-mounted communication and audio playback, realizing the flexible application of the Internet ecosystem and hardware resources of the vehicle and the mobile terminal, etc., and can conveniently develop vehicle services using Internet applications, providing a convenient and low-cost solution for accessing mobile terminal resources to the vehicle, thereby improving the ecological integration and flexibility of the ecological integration between the vehicle and the mobile terminal.

[0009] In some embodiments, the conversion processing module includes: a first communication conversion chip, a first end of the first communication conversion chip is connected to the first communication interface, and a second end of the first communication conversion chip is connected to a controller, which is used for converting the communication information between the vehicle-mounted communication and the communication of the mobile terminal.

[0010] In some embodiments, the conversion processing module includes: a second communication conversion chip, a first end of the second communication conversion chip is connected to a third communication interface; a network chip, a first end of the network chip is connected to a second end of the second communication conversion chip, which is used for managing the conversion of the vehicle-mounted communication information.

[0011] In some embodiments, the conversion processing module further includes: a third communication conversion chip, a first end of the third communication conversion chip is connected to the network chip, and a second end of the third communication conversion chip is connected to the mobile terminal through the first communication interface, which is used for converting the communication information between the vehicle-mounted communication and the mobile terminal.

[0012] In some embodiments, the conversion processing module further includes: a fourth communication conversion chip, a first end of the fourth communication conversion chip is connected to the network chip, and a second end of the fourth communication conversion chip is connected to the multimedia device through the second communication interface, which is used for converting the communication information between the network chip and the communication of the multimedia device.

[0013] In some embodiments, the conversion processing module further includes: an audio conversion chip, a first end of the audio conversion chip is connected to the mobile terminal through the first communication interface, and a second end of the audio conversion chip is connected to the multimedia device through a second communication interface, for performing audio information conversion between the multimedia device and the mobile terminal.

[0014] In some embodiments, it further includes: a communication chip, a first end of the communication chip is connected to the controller, and a second end of the communication chip is connected to the second communication interface; a connection interface, the connection interface is connected to a third end of the communication chip, for providing a data transmission interface.

[0015] In some embodiments, the controller further includes: a power management module, for supplying power to the mobile terminal, the conversion processing module and the communication chip. In some embodiments, it further includes: a first charging port, the first charging port is used to connect an external charging device to provide a first power supply voltage for the external device; a second charging port, the second charging port is used to connect an external charging device to provide a second power supply voltage for the external device, and the second power supply voltage is greater than the first power supply voltage.

[0016] To achieve the above object, an embodiment of the second aspect of the present invention provides a vehicle, the vehicle includes: the in-vehicle communication device as described in the above embodiment.

[0017] According to the vehicle of the embodiment of the present invention, the device on the vehicle, such as the in-vehicle communication device of the vehicle in the above embodiment, by connecting the chip for in-vehicle communication conversion in the conversion processing module to the mobile terminal through the first communication interface, performs communication information conversion between in-vehicle communication and the communication of the mobile terminal, improving the flexibility and adaptability of the communication between the mobile terminal and the vehicle. Connecting the chip for audio information conversion in the conversion processing module to the mobile terminal through the first communication interface and connecting it to the multimedia device through the second communication interface, for performing audio information conversion between the multimedia device and the mobile terminal, can improve the flexibility and adaptability of integrating the audio of the mobile terminal into the vehicle system, as well as the reusability with the vehicle audio system. Based on the connection relationship between the conversion processing module, the mobile terminal and the multimedia device, the communication of the mobile terminal is flexibly adapted to the vehicle's vehicle bus, in-vehicle communication and audio playback, realizing the flexible application of the Internet ecosystem and hardware resources of the vehicle and the mobile terminal, and can conveniently develop vehicle services using Internet applications, providing a convenient and low-cost solution for accessing mobile terminal resources to the vehicle, thereby improving the ecological integration and flexibility of ecological integration between the vehicle and the mobile terminal.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. Brief Description of the Drawings

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which: Figure 1 is a block diagram of an in-vehicle communication device according to an embodiment of the present invention; Figure 2 is a block diagram of the principle and application of an in-vehicle communication device according to an embodiment of the present invention; Figure 3 is a block diagram of the functional integration architecture of an in-vehicle communication device according to an embodiment of the present invention; Figure 4 is a block diagram of a vehicle according to an embodiment of the present invention.

[0020] Reference Numerals: In-vehicle communication device 30; Mobile terminal 31; First communication interface 37; Conversion processing module 93; Second communication interface 40; Multimedia device 41; First link 1; Second link 2; Third link 3; Fourth link 4; Fifth link 5; Sixth link 6; Seventh link 7; Eighth link 8; Ninth link 9; Tenth link 10; Eleventh link 11; Twelfth link 12; Thirteenth link 13; First communication conversion chip 32; Controller 33; CAN communication unit 34; Power management module 35; Second communication conversion chip 36; Third communication conversion chip 38; Audio conversion chip 39; Speaker 42; Fourth communication conversion chip 43; Network chip 44; Third communication interface 45; Connection interface 46; First charging port 47; Second charging port 48; Ethernet bus 49; CAN bus 50; Application layer 60; First program 61; Second program 62; CAN processing module 63; USB processing module 64; Ethernet processing module 65; Audio processing module 66; Vehicle 80. Detailed Description of the Embodiments

[0021] The embodiments described with reference to the drawings are exemplary, and the embodiments of the present invention will be described in detail below.

[0022] The ecological integration between a vehicle and a mobile terminal is very important for the user's driving experience. For example, connecting a mobile terminal such as a tablet or a mobile phone to the vehicle can enable the implementation of the Internet application ecosystem of the mobile terminal side, play audio, etc., thereby enhancing the user's driving experience. Among them, the adaptability and flexibility of the mobile terminal connected to the vehicle affect the ecological integration between the vehicle and the mobile terminal, and thus affect the user's driving experience.

[0023] In related technologies, for example, by modifying the vehicle and installing a multimedia device customized for mobile terminal access on the vehicle, or using special communication harnesses, connectors, and power supplies in the vehicle, the mobile terminal can be wirelessly connected to the vehicle's audio system. However, adopting the above methods requires vehicle modification and customization, which only solves the problem of whether audio can be played, and cannot provide high-quality audio. There are problems such as inflexible communication adaptation between the mobile terminal and the vehicle, inability to adapt to the vehicle's entire vehicle bus, poor multiplexing with the vehicle's audio system, and inability to develop software for the entire vehicle's business. As a result, the ecological integration between the vehicle and the mobile terminal is low and inflexible, reducing the user's driving experience.

[0024] Therefore, by using the in-vehicle communication device according to the embodiments of the present invention, the chip for in-vehicle communication conversion in the conversion processing module is connected to the mobile terminal through the first communication interface to convert the communication information between in-vehicle communication and mobile terminal communication, enhancing the flexibility and adaptability of the communication between the mobile terminal and the vehicle. The chip for audio information conversion in the conversion processing module is connected to the mobile terminal through the first communication interface and connected to the multimedia device through the second communication interface, which is used for converting the audio information between the multimedia device and the mobile terminal, and can enhance the flexibility and adaptability of integrating the audio of the mobile terminal into the vehicle system, as well as the multiplexing with the vehicle's audio system. Based on the connection relationship among the conversion processing module, the mobile terminal, and the multimedia device, the communication of the mobile terminal flexibly adapts to the vehicle's entire vehicle bus, in-vehicle communication, and audio playback, realizing the flexible application of the Internet ecosystem and hardware resources of the vehicle and the mobile terminal, and can conveniently develop vehicle services using Internet applications, providing a convenient and low-cost solution for accessing mobile terminal resources to the vehicle, thereby enhancing the ecological integration and the flexibility of ecological integration between the vehicle and the mobile terminal.

[0025] The following will be combined with Figures 1-3 Describe the in-vehicle communication device according to the embodiments of the present invention.

[0026] In some embodiments, such as Figure 1As shown, the conversion processing module 93 is connected to the mobile terminal 31 through the first communication interface 37, and the conversion processing module 93 is connected to the multimedia device 41 through the second communication interface 40, and is used for converting communication information between vehicle-mounted communication and mobile terminal communication, or for converting audio information between the multimedia device and the mobile terminal.

[0027] In an embodiment, as Figure 1 shown, it is a block diagram of a vehicle-mounted communication device according to an embodiment of the present invention. Combining Figure 2 shown, it is a principle and application block diagram of a vehicle-mounted communication device according to an embodiment of the present invention. The multimedia device 41 is various electronic devices and functions integrated inside the vehicle, mainly including an audio system, a navigation system, a communication system, and an infotainment system, etc.; the multimedia device 41 includes an AMP (Power Amplifier), which is connected to the speaker 42 and is used for playing the received audio; the multimedia device 41 accesses the network chip 44 through the third link 3, so that the network chip 44 provides Ethernet to the multimedia device 41 to enable the multimedia device 41 to perform Ethernet communication; the multimedia device 41 also accesses the audio of a mobile terminal such as a mobile phone or a tablet through the fourth link 4 into the multimedia device 41, so as to realize playing the audio in the vehicle's audio system through the multimedia device 41; the multimedia device 41 receives current through the fifth link 5 to realize power supply for the multimedia device 41, and further realizes power supply for a device (such as a USB flash drive) connected to the multimedia device 41 through USB (Universal Serial Bus), provides the access and power supply functions of the USB interface of the multimedia device 41, such as providing the function of accessing a USB flash drive to the multimedia device 41, and power supply for electrical appliances such as the audio in the multimedia device 41 to ensure the normal operation of the multimedia device 41.

[0028] Vehicle-mounted communication includes Ethernet communication and CAN communication, and is a mobile communication system installed on a vehicle; the vehicle bus includes a CAN bus and an Ethernet bus, and Ethernet communication and CAN communication can be performed based on the vehicle bus; audio information is data transmitted through sound, including various sound signals such as voice, music, and ambient sound; the conversion processing module 93 is a module that converts different communications so that communication can be carried out between the mobile terminal 31 and the multimedia device 41 on the vehicle. For example, the conversion processing module 93 includes a chip that converts USB communication to CAN communication, a chip that converts USB communication to Ethernet communication, and a chip that converts audio communication to USB communication.

[0029] The conversion processing module 93 is connected to the mobile terminal 31 through the first communication interface 37, and the conversion processing module 93 is connected to the multimedia device through the second communication interface 40. Among them, the chip that converts USB communication to CAN communication is connected to the mobile terminal 31 through the first communication interface 37, and is used to convert the communication information between in-vehicle communication and mobile terminal communication, which can improve the flexibility and adaptability of the CAN communication between the mobile terminal and the vehicle; the chip that converts USB communication to Ethernet communication is connected to the mobile terminal 31 through the first communication interface 37 and is connected to the multimedia device 41 through the second communication interface 40, and is used to convert the communication information between in-vehicle communication and mobile terminal communication, which can improve the flexibility and adaptability of the Ethernet communication between the mobile terminal, the multimedia device and the vehicle; the chip that converts audio communication to USB communication is connected to the mobile terminal 31 through the first communication interface 37 and is connected to the multimedia device 41 through the second communication interface 40, and is used to convert the audio information between the multimedia device and the mobile terminal, which can improve the flexibility and adaptability of integrating the audio of the mobile terminal into the vehicle system, as well as the reusability with the vehicle audio system; based on the connection relationship among the conversion processing module, the mobile terminal and the multimedia device, the communication of the mobile terminal is flexibly adapted to the vehicle's vehicle bus, in-vehicle communication and audio playback, realizing the flexible application of the Internet ecosystem and hardware resources of the vehicle and the mobile terminal, etc., and the vehicle business can be conveniently developed by using Internet applications, providing a convenient and low-cost solution for accessing mobile terminal resources to the vehicle, thereby improving the ecological integration and the flexibility of ecological integration between the vehicle and the mobile terminal.

[0030] For the in-vehicle communication device according to the embodiment of the present invention, by connecting the chip for in-vehicle communication conversion in the conversion processing module to the mobile terminal through the first communication interface to convert the communication information between in-vehicle communication and mobile terminal communication, the flexibility and adaptability of the communication between the mobile terminal and the vehicle are improved. Connecting the chip for audio information conversion in the conversion processing module to the mobile terminal through the first communication interface and connecting it to the multimedia device through the second communication interface, which is used to convert the audio information between the multimedia device and the mobile terminal, can improve the flexibility and adaptability of integrating the audio of the mobile terminal into the vehicle system, as well as the reusability with the vehicle audio system. Based on the connection relationship among the conversion processing module, the mobile terminal and the multimedia device, the communication of the mobile terminal is flexibly adapted to the vehicle's vehicle bus, in-vehicle communication and audio playback, realizing the flexible application of the Internet ecosystem and hardware resources of the vehicle and the mobile terminal, etc., and the vehicle business can be conveniently developed by using Internet applications, providing a convenient and low-cost solution for accessing mobile terminal resources to the vehicle, thereby improving the ecological integration and the flexibility of ecological integration between the vehicle and the mobile terminal.

[0031] In some embodiments, in combination with Figure 1 andFigure 2 As shown in Figure 2 , the conversion processing module 93 includes: a first communication conversion chip 32. The first end of the first communication conversion chip 32 is connected to the first communication interface 37, and the second end of the first communication conversion chip 32 is connected to the controller 33, which is used to convert communication information between vehicle-mounted communication and mobile terminal communication.

[0032] In the embodiment, combined with Figure 1 and Figure 2 As shown in Figure 2 , vehicle-mounted communication includes Ethernet communication and CAN communication, which is a mobile communication system installed on a vehicle; the first communication conversion chip 32 is used to convert communication information between vehicle-mounted communication and mobile terminal communication. For example, a chip that converts USB communication to CAN communication, abbreviated as a CAN-to-USB chip; the first communication interface 37 is a USB interface for connecting mobile terminal devices. Through the first communication interface 37, power supply to the mobile terminal, Ethernet communication, CAN communication, audio, etc. can be played through the vehicle; the first end of the first communication conversion chip 32 is connected to the first communication interface 37, and based on the first link 1, the first communication conversion chip 32 provides CAN communication capabilities for mobile terminals 31 such as mobile phones or tablets. The second end of the first communication conversion chip 32 is connected to the controller 33, and the CAN communication capabilities are managed by the CAN communication unit 34 of the controller 33; through the connection relationship between the first communication conversion chip 32, the controller 33, and the mobile terminal 31, the flexibility of communication adaptation between the mobile terminal and the vehicle is improved, enabling the communication of the mobile terminal to adapt to the vehicle's vehicle bus.

[0033] In some embodiments, combined with Figure 1 and Figure 2 As shown in Figure 2 , the conversion processing module 93 includes: a second communication conversion chip 36. The first end of the second communication conversion chip 36 is connected to the third communication interface 45; a network chip 44. The first end of the network chip 44 is connected to the second end of the second communication conversion chip 36, which is used to manage the conversion of vehicle-mounted communication information.

[0034] In an embodiment, the second communication conversion chip 36 is a chip that converts USB communication into Ethernet communication, enabling a computer or other device to connect to the Ethernet through a USB interface, simply referred to as a USB-to-Ethernet chip; the vehicle-mounted communication information includes information that the mobile terminal 31 or the multimedia device 41 needs to perform vehicle-mounted communication through the Ethernet; the network chip 44, such as an Ethernet switch chip, is used to manage the conversion of the vehicle-mounted communication information; the first end of the second communication conversion chip 36 is connected to the third communication interface 45, and the first end of the network chip 44 is connected to the second end of the second communication conversion chip 36, so as to manage the Ethernet communication information on the Ethernet bus 49 based on the second link 2 and the third link 3 through the network chip 44, and then transmit it to the interface of the vehicle-mounted communication device 30 through the communication conversion chip, and respectively provide it to the mobile terminal 31 and the multimedia device 41 for Ethernet communication, thereby improving the flexibility of the Ethernet communication adaptation between the mobile terminal or the multimedia device 41 and the vehicle.

[0035] In some embodiments, in combination with Figure 1 and Figure 2 as shown, the conversion processing module 93 further includes: a third communication conversion chip 38, the first end of the third communication conversion chip 38 is connected to the network chip 44, and the second end of the third communication conversion chip 38 is connected to the mobile terminal 31 through the first communication interface 37, and is used for converting communication information between vehicle-mounted communication and the mobile terminal.

[0036] In an embodiment, the third communication conversion chip 38 is a chip that converts USB communication into Ethernet communication, and is used for converting communication information between vehicle-mounted communication and the mobile terminal, enabling a computer or other device to connect to the Ethernet through a USB interface, simply referred to as a USB-to-Ethernet chip; the first end of the third communication conversion chip 38 is connected to the network chip 44, and the second end of the third communication conversion chip 38 is connected to the mobile terminal 31 through the first communication interface 37, so as to manage the vehicle-mounted communication on the Ethernet bus 49 based on the second link 2 through the network chip 44, and then transmit it to the first communication interface 37 through the third communication conversion chip 38, and provide it to the mobile terminal 31 for vehicle-mounted communication, thereby improving the flexibility of the vehicle-mounted communication adaptation between the mobile terminal and the vehicle.

[0037] In some embodiments, in combination with Figure 1 and Figure 2 as shown, the conversion processing module 93 further includes: a fourth communication conversion chip 43, the first end of the fourth communication conversion chip 43 is connected to the network chip 44, and the second end of the fourth communication conversion chip 43 is connected to the multimedia device 41 through the second communication interface 40, and is used for converting communication information between the network chip 44 and the multimedia device 41.

[0038] In an embodiment, in combination with Figure 1and Figure 2 As shown in Figure 2 , the fourth communication conversion chip 43 is used to convert the communication information between the network chip 44 and the multimedia device 41. For example, the fourth communication conversion chip 43 is a chip that converts USB communication to Ethernet communication, enabling a computer or other device to be connected to the Ethernet through a USB interface, abbreviated as a USB-to-Ethernet chip, to convert the Ethernet communication information between the network chip 44 and the multimedia device 41; the second communication interface 40 is an interface connected to the multimedia device 41, such as a USB interface; the first end of the fourth communication conversion chip 43 is connected to the network chip 44, and the second end is connected to the multimedia device 41 through the second communication interface 40, so as to manage the Ethernet communication information through the network chip 44 based on the third link 3, and then transmit it to the second communication interface 40 through the fourth communication conversion chip 43 and provide it to the multimedia device 41 for Ethernet communication, thereby improving the flexibility of the in-vehicle communication adaptation between the mobile terminal and the vehicle.

[0039] In some embodiments, as Figure 2 shown in Figure 2 , the conversion processing module 93 further includes: an audio conversion chip 39. The first end of the audio conversion chip 39 is connected to the mobile terminal 31 through the first communication interface 37, and the second end of the audio conversion chip 39 is connected to the multimedia device 41 through the second communication interface 40, and is used for converting the audio information between the multimedia device 41 and the mobile terminal 31.

[0040] In an embodiment, as Figure 2 shown in Figure 2 , the audio conversion chip 39 is used for converting the audio information between the multimedia device 41 and the mobile terminal 31. For example, the audio conversion chip 39 is a chip that converts audio communication to USB communication, abbreviated as an audio-to-USB chip; the first end of the audio conversion chip 39 is connected to the mobile terminal 31 through the first communication interface 37, and the second end is connected to the multimedia device 41 through the second communication interface 40. Based on the fourth link 4, the audio information in the mobile terminal 31 is input into the in-vehicle communication device 30 through the first communication interface 37, and the audio information is converted by the audio conversion chip 39 into audio information that can be recognized and communicated through the USB port and transmitted to the second communication interface 40, provided to the multimedia device 41, and the audio is played through the multimedia device 41 by accessing the audio system of the vehicle, thereby improving the communication adaptability between the mobile terminal and the audio system on the vehicle and providing high-quality audio for the user.

[0041] In some embodiments, as Figure 2 shown in Figure 2 , the in-vehicle communication device 30 further includes: a communication chip 51. The first end of the communication chip 51 is connected to the controller 33, and the second end of the communication chip 51 is connected to the second communication interface 40; a connection interface 46, and the connection interface 46 is connected to the third end of the communication chip 51 and is used to provide a data transmission interface.

[0042] In an embodiment, as Figure 2 shown, the communication chip 51 is a chip that expands a single USB interface into multiple interfaces and simultaneously transmits and receives data, such as a USB Hub chip. The first end of the communication chip 51 is connected to the controller 33, and the second end is connected to the second communication interface 40, so as to realize connecting the power management module 35 in the controller 33 based on the eleventh link 11, receiving a charging current, and then based on the fifth link 5, transmitting the charging current to the second communication interface 40 through the communication chip 51 to supply power to the multimedia device 41. Furthermore, the multimedia device 41 can supply power to a device (such as a USB flash drive) connected to the multimedia device 41 through USB (Universal Serial Bus), providing the access and power supply functions of the USB interface of the multimedia device 41. For example, it provides the function of connecting a USB flash drive to the multimedia device 41, and supplies power to electrical appliances such as speakers in the multimedia device 41 to ensure the normal operation of the multimedia device 41; the connection interface 46 is an interface for connecting an external storage device, such as a USB interface, where the external storage device is, for example, a USB flash drive; the connection interface 46 is connected to the third end of the communication chip 51, and is used to provide a data transmission interface. For example, the connection interface 46 is externally connected to a USB flash drive to read audio information and the like in the USB flash drive, and transmits the read information to the second communication interface 40 through the communication chip 51 based on the fifth link 5, and provides it to the multimedia device 41, and the audio is accessed to the audio system of the vehicle through the multimedia device 41 for playing, so as to improve the communication adaptability between the external storage device and the audio system on the vehicle and provide high-quality audio for the user.

[0043] In some embodiments, as Figure 2 shown, the controller 33 further includes: a power management module 35, which is used to supply power to the mobile terminal, the conversion processing module, and the communication chip.

[0044] In an embodiment, as Figure 2 shown, the first communication interface 37, the second communication conversion chip 36, the network chip 44, the third communication conversion chip 38, the fourth communication conversion chip 43, the audio conversion chip 39, and the communication chip 51 are respectively connected to the power management module 35 through the sixth link 6, the seventh link 7, the eighth link 8, the ninth link 9, the ninth link 9, the tenth link 10, and the eleventh link 11, so as to realize power supply to each chip, ensure the normal operation of the chips, and realize power supply to the mobile terminal 31 and the multimedia device 41; and through these links, the control module on the controller 33 can realize initialization and configuration of the chips, etc.

[0045] In some embodiments, as Figure 2As shown, the vehicle-mounted communication device 30 further includes: a first charging port 47 for connecting to an external charging device to provide a first power supply voltage to the external device; a second charging port for connecting to an external charging device to provide a second power supply voltage to the external device, and the second power supply voltage is greater than the second power supply voltage.

[0046] In an embodiment, as Figure 2 shown, the first voltage is the voltage for slow charging, which can be set and designed according to conditions such as user requirements and vehicle power consumption safety; the second voltage is the voltage for fast charging, which can be set and designed according to conditions such as user requirements and vehicle power consumption safety; the fifth link 5 can provide slow charging capability. The first charging port 47 provides the current transmitted from the communication chip 51 to an external charging device such as a mobile phone at the first power supply voltage based on the twelfth link 12 to achieve slow charging of the external charging device; the second charging port 48 receives the current based on the thirteenth link 13 and provides the second voltage for charging the external charging device that needs fast charging. Through different charging ports, different charging and power supply requirements of users can be met, thereby improving the user's vehicle use experience.

[0047] To better understand the vehicle-mounted communication device of the embodiment of the present invention, the following refers to Figure 3 to illustrate the integrated architecture of the vehicle-mounted communication device.

[0048] As Figure 3 shown, it is a functional integrated architecture block diagram of the vehicle-mounted communication device according to an embodiment of the present invention. The functional integrated architecture of the vehicle-mounted communication device includes a mobile terminal 31, a multimedia device 41, a vehicle-mounted communication device 30, a CAN bus 50, and an Ethernet bus 49.

[0049] Among them, the mobile terminal 31 includes an application layer 60 and a first program 61. The first program 61 includes drivers for CAN, USB, audio, and Ethernet, which are used to ensure the normal transmission of protocol data and audio data between the mobile terminal 31 and the vehicle-mounted communication device 30. For example, it provides the vehicle CAN signal to a mobile phone or a tablet, provides a basis for developing vehicle business applications for the mobile phone or the tablet, and the mobile phone or the tablet can parse the CAN bus data by installing the driver; it provides the ability for data exchange and management between the mobile phone or the tablet and the in-vehicle Ethernet, and the mobile phone or the tablet can parse the Ethernet bus data by installing the driver, providing a basis for the vehicle image and video processing ability.

[0050] The in-vehicle communication device 30 includes a CAN processing module 63, a USB processing module 64, an Ethernet processing module 65, an audio processing module 66, and a power management module 35, which are used to supply power to the mobile terminal 31 and the USB device, transmit protocol data and audio data with the mobile terminal 31 and the multimedia device 41, process data, transmit data with the USB device, and transmit bus data with the CAN bus 50 and the Ethernet bus. Among them, processing data includes processing protocol data, audio data, bus data, and data transmitted with the USB device. It realizes the ability to provide the whole vehicle with the access of an external storage device through the in-vehicle communication device 30, the ability to charge and supply power to external devices, and the ability to highly integrate the ecosystem of the mobile terminal with the ecosystem of the vehicle.

[0051] The multimedia device 41 includes an application layer 60 and a second program 62. The second program 62 includes drivers for USB, audio, and Ethernet, which are used to ensure the normal transmission of protocol data and audio data between the multimedia device 41 and the in-vehicle communication device 30. For example, when a mobile phone or a tablet receives and processes audio through the in-vehicle communication device 30 and then sends it to the multimedia device 41, the multimedia device 41 integrates the audio into the vehicle's audio system, realizing the convenient integration of the audio of the mobile terminal into the vehicle's audio system.

[0052] According to the in-vehicle communication device of the embodiment of the present invention, by connecting the chip for in-vehicle communication conversion in the conversion processing module to the mobile terminal through the first communication interface to convert the communication information between in-vehicle communication and mobile terminal communication, the flexibility and adaptability of the communication between the mobile terminal and the vehicle are improved. Connecting the chip for audio information conversion in the conversion processing module to the mobile terminal through the first communication interface and connecting to the multimedia device through the second communication interface, which is used for audio information conversion between the multimedia device and the mobile terminal, can improve the flexibility and adaptability of integrating the audio of the mobile terminal into the vehicle system, as well as the reusability with the vehicle's audio system. Based on the connection relationship among the conversion processing module, the mobile terminal, and the multimedia device, the communication of the mobile terminal is flexibly adapted to the vehicle's whole vehicle bus, in-vehicle communication, and audio playback of the vehicle, realizing the flexible application of the Internet ecosystem and hardware resources of the vehicle and the mobile terminal, and can conveniently develop vehicle services using Internet applications, providing a convenient and low-cost solution for accessing mobile terminal resources to the vehicle, thereby improving the ecological integration and flexibility of the ecological integration between the vehicle and the mobile terminal.

[0053] Next, refer to Figure 4 to describe the vehicle 3 of the embodiment of the present invention.

[0054] As Figure 4As shown, it is a block diagram of a vehicle according to an embodiment of the present invention. The vehicle 80 includes: an in-vehicle communication device 30 of the vehicle as in the above embodiment.

[0055] For the vehicle 80 according to an embodiment of the present invention, the vehicle 80 is equipped with an in-vehicle communication device 30 of the vehicle as in the above embodiment. By connecting the chip for in-vehicle communication conversion in the conversion processing module to the mobile terminal through the first communication interface, the conversion of communication information between in-vehicle communication and mobile terminal communication is carried out, which improves the flexibility and adaptability of the communication between the mobile terminal and the vehicle. Connecting the chip for audio information conversion in the conversion processing module to the mobile terminal through the first communication interface and connecting it to the multimedia device through the second communication interface, which is used for the conversion of audio information between the multimedia device and the mobile terminal, can improve the flexibility and adaptability of integrating the audio of the mobile terminal into the vehicle system, as well as the reusability with the vehicle audio system. Based on the connection relationship among the conversion processing module, the mobile terminal, and the multimedia device, the communication of the mobile terminal is flexibly adapted to the vehicle's vehicle bus, in-vehicle communication, and audio playback, realizing the flexible application of the Internet ecosystem and hardware resources of the vehicle and the mobile terminal, and enabling the convenient development of vehicle services using Internet applications, providing a convenient and low-cost solution for accessing mobile terminal resources to the vehicle, thereby improving the ecological integration and flexibility of the ecological integration between the vehicle and the mobile terminal.

[0056] In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example.

[0057] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A vehicle-mounted communication device, characterized in that: include: A conversion processing module, the conversion processing module is connected to the mobile terminal via a first communication interface, and the conversion processing module is connected to the multimedia device via a second communication interface, and is used to convert communication information between vehicle-mounted communication and the mobile terminal communication, or to convert audio information between the multimedia device and the mobile terminal.

2. The vehicle-mounted communication device according to claim 1, characterized in that: The conversion processing module includes: A first communication conversion chip, wherein a first end of the first communication conversion chip is connected to the first communication interface, and a second end of the first communication conversion chip is connected to a controller, and is used for converting communication information between vehicle-mounted communication and communication with the mobile terminal.

3. The vehicle-mounted communication device according to claim 1, characterized in that: The conversion processing module includes: A second communication conversion chip, wherein a first end of the second communication conversion chip is connected to a third communication interface; A network chip, wherein a first end of the network chip is connected to a second end of the second communication conversion chip, and is used to manage conversion of vehicle-mounted communication information.

4. The vehicle-mounted communication device according to claim 3, characterized in that: The conversion processing module also includes: A third communication conversion chip, wherein a first end of the third communication conversion chip is connected to the network chip, and a second end of the third communication conversion chip is connected to the mobile terminal via the first communication interface, for converting communication information between the vehicle-mounted communication and the mobile terminal.

5. The vehicle-mounted communication device according to claim 3, characterized in that: The conversion processing module also includes: A fourth communication conversion chip, wherein a first end of the fourth communication conversion chip is connected to the network chip, and a second end of the fourth communication conversion chip is connected to the multimedia device via the second communication interface, for converting communication information between the network chip and the multimedia device.

6. The vehicle-mounted communication device according to claim 1, characterized in that: The conversion processing module also includes: An audio conversion chip, wherein the first end of the audio conversion chip is connected to the mobile terminal via the first communication interface, and the second end of the audio conversion chip is connected to the multimedia device via the second communication interface, for performing audio information conversion between the multimedia device and the mobile terminal.

7. The vehicle-mounted communication device according to claim 1, characterized in that: Also includes: A communication chip, wherein a first end of the communication chip is connected to the controller, and a second end of the communication chip is connected to the second communication interface; A connection interface is connected to the third end of the communication chip and is used to provide a data transmission interface.

8. The vehicle-mounted communication device according to claim 1, characterized in that: The controller also includes: A power management module is used to supply power to the mobile terminal, the conversion processing module and the communication chip.

9. The vehicle-mounted communication device according to claim 1, characterized in that: Also includes: a first charging port, the first charging port being used to connect an external charging device and provide a first power supply voltage for the external device; The second charging port is used to connect an external charging device and provide a second power supply voltage for the external device, wherein the second power supply voltage is greater than the first power supply voltage.

10. A vehicle, characterized in that: include: The vehicle-mounted communication device as claimed in any one of claims 1 to 9.

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