Vehicle-mounted terminal hardware system and vehicle-mounted terminal

Abstract

The invention relates to a vehicle-mounted terminal hardware system and a vehicle-mounted terminal. The system comprises a low-orbit internet communication module which is in wireless communication with a low-orbit satellite and is used for transmitting satellite communication data between the low-orbit internet communication module and the low-orbit satellite; the system-on-chip subsystem is electrically connected with the low-orbit Internet communication module and is used for transmitting satellite communication data between the system-on-chip subsystem and the low-orbit Internet communication module; the system-on-chip subsystem is in wireless communication and / or wired communication with external equipment and is used for sending satellite communication data to the external equipment; and the micro-control unit subsystem is electrically connected with the system-on-chip subsystem and is used for controlling the dormancy awakening of the system-on-chip subsystem. By adopting the system, networking services can be effectively provided for users in remote mountainous areas, deserts, partial expressways and other areas without mobile network signals or with poor signals, and the safety can be improved.

Description

Technical Field

[0001] The present application relates to the field of vehicle-mounted communication technology, and in particular to a vehicle-mounted terminal hardware system and a vehicle-mounted terminal. Background Art

[0002] Smart connected cars account for an increasing share of the current car sales market. Car networking can achieve functions such as real-time upload of vehicle information, remote control of vehicles, and over-the-air (OTA) upgrades, which greatly improves the user experience and driving safety of vehicles. Car networking currently relies on vehicle communication terminals, namely telematics boxes (TBOX).

[0003] The relevant vehicle-mounted terminals rely on the fourth-generation mobile communications and technologies (4G) and the fifth-generation mobile communications and technologies (5G) and other network communication services provided by mobile operators to closely connect vehicles, cloud platforms and users.

[0004] However, the vehicle-mounted terminals must rely on ground mobile network signal coverage for vehicle networking. Therefore, the vehicle-mounted terminals cannot effectively provide users with networking services in areas with no mobile network signals or poor signals, such as remote mountainous areas, deserts, and some highways, and have poor security. Summary of the invention

[0005] Based on this, it is necessary to provide a vehicle-mounted terminal hardware system and vehicle-mounted terminal that can effectively provide Internet services to users and improve security in areas without mobile network signals or with poor signals, such as remote mountainous areas, deserts, and some highways, in response to the above technical problems.

[0006] In a first aspect, the present application provides a vehicle-mounted terminal hardware system, the system comprising:

[0007] A low-orbit Internet communication module, which communicates wirelessly with a low-orbit satellite and is used to transmit satellite communication data with the low-orbit satellite;

[0008] A system-on-chip subsystem, wherein the system-on-chip subsystem is electrically connected to the low-orbit Internet communication module and is used to transmit the satellite communication data between the low-orbit Internet communication module; the system-on-chip subsystem communicates wirelessly and / or wired with an external device and is used to send the satellite communication data to the external device;

[0009] A micro control unit subsystem is electrically connected to the system-on-chip subsystem and is used to control the sleep and wake-up of the system-on-chip subsystem.

[0010] In one embodiment, the system further comprises:

[0011] A codec, when the low-orbit Internet communication module does not have an audio interface, the codec is electrically connected to the system-on-chip subsystem; when the low-orbit Internet communication module has an audio interface, the codec is electrically connected to the low-orbit Internet communication module or the system-on-chip subsystem; the codec is used to input voice data;

[0012] An audio power amplifier is electrically connected to the codec and is used to output voice data.

[0013] In one embodiment, the system further comprises:

[0014] A hardware security module is electrically connected to the system-on-chip subsystem and the micro-control unit subsystem, respectively, and is used to encrypt data of the system-on-chip subsystem and the micro-control unit subsystem.

[0015] In one embodiment, the system further comprises:

[0016] A customer identification module, the customer identification module is electrically connected to the low-orbit Internet communication module for authentication; and / or

[0017] A micro flash memory card is electrically connected to the low-orbit Internet communication module and is used for data security verification.

[0018] In one embodiment, the system further comprises:

[0019] A coaxial radio frequency signal connector is electrically connected to the low-orbit Internet communication module and the satellite antenna, respectively, and is used to transmit the satellite communication data.

[0020] In one embodiment, the system further comprises:

[0021] a wireless fidelity module, the wireless fidelity module being electrically connected to the system-on-chip subsystem and communicating wirelessly with the wireless fidelity antenna; and / or

[0022] A Bluetooth module, the Bluetooth module is electrically connected to the system-on-chip subsystem and wirelessly communicates with a Bluetooth antenna; and / or

[0023] An Ethernet physical layer, wherein the Ethernet physical layer is electrically connected to the system-on-chip subsystem and communicates with the in-vehicle Ethernet by wire.

[0024] In one embodiment, the system-on-chip subsystem includes:

[0025] A system-level chip, wherein the system-level chip is electrically connected to the low-orbit Internet communication module and the micro-control unit subsystem, respectively, and communicates with the external device wirelessly and / or by wire;

[0026] A double rate synchronous dynamic random access memory, wherein the double rate synchronous dynamic random access memory is electrically connected to the system-on-chip;

[0027] An embedded multimedia card, the embedded multimedia card being electrically connected to the system-on-chip;

[0028] a first clock circuit, the first clock circuit being electrically connected to the system-on-chip;

[0029] a first reset circuit, the first reset circuit being electrically connected to the system-on-chip;

[0030] A power management integrated circuit is electrically connected to the system-on-chip and is used to supply power to the system.

[0031] In one embodiment, the micro control unit subsystem includes:

[0032] A micro control unit, the micro control unit being electrically connected to the system-on-chip subsystem;

[0033] a second clock circuit, the second clock circuit being electrically connected to the micro control unit;

[0034] A second reset circuit is electrically connected to the micro control unit.

[0035] In one embodiment, the system further comprises:

[0036] A controller area network module, the controller area network module is electrically connected to the micro control unit subsystem, and is used to send vehicle status data of the target vehicle to the micro control unit subsystem, and / or send vehicle control data issued by the micro control unit subsystem to the target vehicle.

[0037] In a second aspect, the present application further provides a vehicle-mounted terminal, which includes the vehicle-mounted terminal hardware system described in the first aspect above.

[0038] The above-mentioned vehicle-mounted terminal hardware system and vehicle-mounted terminal, the system includes: a low-orbit Internet communication module, the low-orbit Internet communication module wirelessly communicates with a low-orbit satellite, and is used to transmit satellite communication data between the low-orbit satellite; a system-level chip subsystem, the system-level chip subsystem is electrically connected to the low-orbit Internet communication module, and is used to transmit the satellite communication data between the low-orbit Internet communication module; the system-level chip subsystem wirelessly and / or wiredly communicates with an external device, and is used to send the satellite communication data to the external device; a micro control unit subsystem, the micro control unit subsystem is electrically connected to the system-level chip subsystem, and is used to control the sleep and wake-up of the system-level chip subsystem. In this way, satellite communication data is transmitted between low-orbit Internet communication modules and low-orbit satellites to realize Internet services such as voice, text messages and data transmission. Satellite communication data is received and processed by the system-level chip subsystem, and the satellite communication data is sent to external devices to achieve interconnection between external devices and low-orbit satellite communications. There is no need to rely on ground mobile network signal coverage, and it can provide high-quality Internet access services to users worldwide. Even in areas without mobile network signals or poor signals such as remote mountainous areas, deserts, and some highways, it can effectively provide users with Internet access services and improve security. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the drawings required for use in the embodiments of the present application or related technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0040] FIG1 is a schematic diagram of the structure of a vehicle terminal hardware system in one embodiment;

[0041] FIG2 is a schematic diagram of the structure of a vehicle terminal hardware system in another embodiment;

[0042] FIG. 3 is a schematic diagram of the structure of a vehicle-mounted terminal in one embodiment. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0044] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings). In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0045] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0046] In one embodiment, as shown in FIG1 , a vehicle terminal hardware system 100 is provided, and the system 100 includes:

[0047] Low-orbit Internet communication module, low-orbit Internet communication module wirelessly communicates with low-orbit satellites and is used to transmit satellite communication data between low-orbit satellites.

[0048] The system-on-chip subsystem is electrically connected to the low-orbit Internet communication module and is used to transmit satellite communication data between the low-orbit Internet communication module. The system-on-chip subsystem communicates wirelessly and / or wired with an external device and is used to send satellite communication data to the external device.

[0049] The micro control unit subsystem is electrically connected to the system-on-chip subsystem and is used to control the sleep and wake-up of the system-on-chip subsystem.

[0050] In an embodiment of the present application, the vehicle-mounted terminal hardware system is applied to the vehicle-mounted terminal. The vehicle-mounted terminal is located in an intelligent connected vehicle. Satellite communication data is data for communicating with low-orbit satellites, including voice data, text message data and other data. The system-on-chip subsystem at least includes a system-on-chip (System on Chip, SOC, also known as a system on chip), and the low-orbit Internet communication module and the system-on-chip subsystem are connected through input / output (Input / Output, I / O) signals and data signals. The system-on-chip subsystem is also used to transmit input and output signals between the low-orbit Internet communication module, and to power on, reset and initialize the configuration of the low-orbit Internet communication module. The microcontroller unit subsystem at least includes a microcontroller unit (Microcontroller Unit, MCU, also known as a single-chip microcomputer or single-chip microcomputer).

[0051] Specifically, the microcontroller subsystem controls the sleep and wake-up of the system-level chip subsystem. The low-orbit satellite sends satellite communication data to the low-orbit Internet communication module through the satellite antenna. The low-orbit Internet communication module sends the satellite communication data to the system-level chip subsystem. The system-level chip subsystem sends the satellite communication data to the external device. The system-level chip subsystem sends the satellite communication data to the low-orbit Internet communication module. The low-orbit Internet communication module sends the satellite communication data to the low-orbit satellite.

[0052] In one example, the system further includes: a power supply, which is electrically connected to a printed circuit board connector and is used to supply power to the system; and a printed circuit board (PCB) connector, which is electrically connected to a micro control unit subsystem and is used to transmit input and output signals to and from the micro control unit subsystem. For example, the system further includes an input and output circuit, which is electrically connected to the micro control unit subsystem and the printed circuit board connector, respectively.

[0053] In one example, the system further includes: a backup power supply, which is electrically connected to the power supply and is used to power the system. In this way, the vehicle-mounted terminal hardware system has the functions of TBOX backup power supply, emergency call (ECALL), breakdown call (BCALL), etc., and can send an emergency distress signal to the rescue department when an accident occurs in the vehicle and there is no mobile network signal in the accident area, further improving the safety of the intelligent networked car.

[0054] In one embodiment, the system also includes: a first Universal Serial Bus (USB) interface, the first Universal Serial Bus interface is electrically connected to the low-orbit Internet communication module, and is used to debug the low-orbit Internet communication module; a second Universal Serial Bus interface, the second Universal Serial Bus interface is electrically connected to the system-on-chip subsystem, and is used to debug the system-on-chip subsystem. Among them, the second Universal Serial Bus interface is also used to send satellite communication data to external devices. In this way, the USB interfaces of the communication module and the SOC are both led out to the connector, which is convenient for debugging and development work, and the USB interface of the SOC can also be used for data transmission.

[0055] The above-mentioned vehicle terminal hardware system includes: a low-orbit Internet communication module, which communicates wirelessly with a low-orbit satellite and is used to transmit satellite communication data between the low-orbit satellite; a system-level chip subsystem, which is electrically connected to the low-orbit Internet communication module and is used to transmit satellite communication data between the low-orbit Internet communication module; the system-level chip subsystem communicates wirelessly and / or wired with an external device and is used to send satellite communication data to an external device; and a microcontroller subsystem, which is electrically connected to the system-level chip subsystem and is used to control the sleep and wake-up of the system-level chip subsystem. In this way, satellite communication data is transmitted between the low-orbit Internet communication module and the low-orbit satellite to realize Internet services such as voice, text messages and data transmission, and satellite communication data is received and processed by the system-level chip subsystem, and the satellite communication data is sent to an external device to realize the interconnection and intercommunication between the external device and the low-orbit satellite communication. There is no need to rely on the ground mobile network signal coverage, and it can provide high-quality Internet access services to users worldwide. Even in remote mountainous areas, deserts, some highways and other areas without mobile network signals or poor signals, it can effectively provide users with Internet services and improve security. Moreover, this vehicle-mounted terminal hardware system adopts a communication method based on low-orbit satellite communication technology to access the Internet, which has wide coverage, low latency, high bandwidth and low cost. It can not only realize the transmission of key vehicle information, emergency rescue and other functions, but also provide vehicles with Internet services required for various types of information and entertainment, just like the ground mobile network. In addition, this system can provide high-quality Internet access services to users around the world, especially in extreme geographical environments where ground communication base stations cannot cover. Therefore, by integrating this vehicle-mounted terminal hardware system in the vehicle, the vehicle's satellite Internet communication can be realized, solving the problem that existing vehicles cannot communicate online in areas without mobile network coverage. As the scale of the satellite Internet industry gradually expands and commercial investment gradually lands, combined with the existing ground network, the integrated air-ground-ground vehicle network can be realized.

[0056] In an exemplary embodiment, the system further includes:

[0057] Codec, when the low-orbit Internet communication module does not have an audio interface, the codec is electrically connected to the system-level chip subsystem. When the low-orbit Internet communication module has an audio interface, the codec is electrically connected to the low-orbit Internet communication module or the system-level chip subsystem. The codec is used to input voice data.

[0058] The audio power amplifier is electrically connected to the codec and is used to output voice data.

[0059] In the embodiment of the present application, a coder-decoder (CODEC) is also electrically connected to the printed circuit board connector. An audio power amplifier (PA, referred to as power amplifier) ​​is also electrically connected to the printed circuit board connector.

[0060] Specifically, the system-on-chip subsystem sends the voice data included in the satellite communication data to the codec. The codec sends the voice data to the audio power amplifier. The audio power amplifier outputs the voice data. The voice data is input to the codec. The codec sends the voice data to the system-on-chip subsystem. The system-on-chip subsystem sends the voice data to the low-orbit Internet communication module. The low-orbit Internet communication module sends the voice data to the low-orbit satellite.

[0061] The above-mentioned vehicle terminal hardware system also includes: a codec and an audio power amplifier; the codec is used to input voice data, and the audio power amplifier is electrically connected to the codec to output voice data to realize voice functions such as microphones and speakers. In addition, when the low-orbit Internet communication module does not have an audio interface, the codec is electrically connected to the system-level chip subsystem; when the low-orbit Internet communication module has an audio interface, the codec is electrically connected to the low-orbit Internet communication module or the system-level chip subsystem. Regardless of whether the low-orbit Internet communication module has an audio interface, the audio function of satellite calls can be realized, and the structure of the vehicle terminal hardware system is more flexible.

[0062] In an exemplary embodiment, the system further includes:

[0063] The hardware security module is electrically connected to the system-on-chip subsystem and the micro-control unit subsystem respectively, and is used to encrypt data of the system-on-chip subsystem and the micro-control unit subsystem.

[0064] In the embodiment of the present application, the hardware security module (HSM) can perform hardware encryption to realize data encryption of the SOC and MCU.

[0065] The above-mentioned vehicle terminal hardware system also includes: a hardware security module, which is electrically connected to the system-level chip subsystem and the micro control unit subsystem respectively, and is used to encrypt the data of the system-level chip subsystem and the micro control unit subsystem, so that the vehicle terminal has hardware encryption, can realize the data encryption of SOC and MCU, and improve the data security of the vehicle terminal.

[0066] In an exemplary embodiment, the system further includes:

[0067] A customer identification module, which is electrically connected to the low-orbit Internet communication module for authentication. And / or

[0068] A micro flash memory card is electrically connected to the low-orbit Internet communication module and is used for data security verification.

[0069] In the embodiment of the present application, the Subscriber Identity Module (SIM), also known as SIM card, smart card and user identification card, stores the information of digital mobile phone customers, encryption keys and user phone books on the chip, which can be used for the Global System for Mobile Communications (GSM) network customer identity authentication and encrypt the voice information of customers during calls. The TransFlash card (TF card) is also known as the Micro SD card.

[0070] The above-mentioned vehicle terminal hardware system also includes: a customer identification module, which is electrically connected to the low-orbit Internet communication module for authentication; and / or a micro flash memory card, which is electrically connected to the low-orbit Internet communication module for data security verification. In this way, the communication module is connected to an external SIM card and TF card to achieve authentication and data security verification, which can improve the data security of vehicle Internet services.

[0071] In an exemplary embodiment, the system further includes:

[0072] A coaxial radio frequency signal connector is electrically connected to the low-orbit Internet communication module and the satellite antenna respectively, and is used to transmit the satellite communication data.

[0073] In an embodiment of the present application, the coaxial RF signal connector may be a Fakra (Fachkreis Automobil) connector. The coaxial RF signal connector is used to send satellite communication data sent by the low-orbit Internet communication module to the satellite antenna, and to send satellite communication data sent by the satellite antenna to the low-orbit Internet communication module. The satellite antenna communicates wirelessly with the low-orbit satellite. Among them, the Fakra connector is used to connect an external satellite antenna, and the satellite wireless signal transmission and reception is realized by the satellite antenna. The connector only serves as a physical connection between the vehicle-mounted terminal hardware system and the external satellite antenna, and is used to transmit satellite communication RF signals.

[0074] Specifically, the low-orbit satellite sends satellite communication data to the satellite antenna. The satellite antenna sends the satellite communication data to the coaxial RF signal connector, and the coaxial RF signal connector sends the satellite communication data to the low-orbit Internet communication module. The low-orbit Internet communication module sends the satellite communication data to the coaxial RF signal connector, and the coaxial RF signal connector sends the satellite communication data to the satellite antenna. The satellite antenna sends the satellite communication data to the low-orbit satellite.

[0075] The above-mentioned vehicle-mounted terminal hardware system also includes a coaxial RF signal connector, which is electrically connected to the low-orbit Internet communication module and the satellite antenna respectively. The low-orbit Internet communication module realizes wireless communication with the low-orbit satellite through the coaxial RF signal connector, and can realize Internet services such as voice, text messages and data transmission of the vehicle-mounted terminal.

[0076] In an exemplary embodiment, the system further includes:

[0077] A wireless fidelity module, the wireless fidelity module is electrically connected to the system-on-chip subsystem and wirelessly communicates with the wireless fidelity antenna. And / or

[0078] A Bluetooth module, the Bluetooth module is electrically connected to the system-on-chip subsystem and wirelessly communicates with the Bluetooth antenna. And / or

[0079] Ethernet physical layer, the Ethernet physical layer is electrically connected to the system-level chip subsystem and communicates with the in-vehicle Ethernet wired.

[0080] In an embodiment of the present application, a Wireless Fidelity (WIFI) module is used to convert wired network signals into wireless signals and send satellite communication data to an external device. A Bluetooth (BT) module is used to convert wired network signals into wireless signals and send satellite communication data to an external device. The Ethernet physical layer (Physical, PHY) is used to send and receive Ethernet data frames (frames) and send satellite communication data to an external device. The in-vehicle Ethernet can be 100BASE-T1 or 1000BASE-T1. 100BASE-T1 is a 100M Ethernet with a rate of 100M and uses a pair of twisted pair cables for data transmission. 1000BASE-T1 is a Gigabit Ethernet with a rate of 1000M and uses a pair of twisted pair cables for data transmission.

[0081] The above-mentioned vehicle terminal hardware system also includes: a wireless fidelity module, which is electrically connected to the system-level chip subsystem and wirelessly communicates with the wireless fidelity antenna; and / or a Bluetooth module, which is electrically connected to the system-level chip subsystem and wirelessly communicates with the Bluetooth antenna; and / or an Ethernet physical layer, which is electrically connected to the system-level chip subsystem and communicates with the vehicle Ethernet wired. In this way, the SOC can send the received satellite communication data to external devices through a variety of communication methods such as WIFI, BT, Ethernet, etc., to achieve interconnection between external devices and low-orbit satellites, and can realize Internet services such as voice, SMS and data transmission of vehicle terminals.

[0082] In an exemplary embodiment, the system-on-chip subsystem includes:

[0083] The system-level chip is electrically connected to the low-orbit Internet communication module and the micro-control unit subsystem respectively, and communicates with external devices wirelessly and / or by wire.

[0084] The double rate synchronous dynamic random access memory is electrically connected to the system-level chip.

[0085] The embedded multimedia card is electrically connected to the system-level chip.

[0086] The first clock circuit is electrically connected to the system-level chip.

[0087] The first reset circuit is electrically connected to the system-level chip.

[0088] A power management integrated circuit is electrically connected to the system-level chip and is used to supply power to the system.

[0089] In an embodiment of the present application, when the system also includes a codec, the codec is electrically connected to the system-on-chip. When the system also includes a hardware security module, the hardware security module is electrically connected to the system-on-chip. When the system also includes a wireless fidelity module, the wireless fidelity module is electrically connected to the system-on-chip. When the system also includes a Bluetooth module, the Bluetooth module is electrically connected to the system-on-chip. When the system also includes an Ethernet physical layer, the Ethernet physical layer is electrically connected to the system-on-chip. Double Data Rate Synchronous Dynamic Random Access Memory (DDR SDRAM or DDR) is a synchronous dynamic random access memory with a double data transfer rate, and its data transfer speed is twice the system clock frequency. Embedded MultiMediaCard (eMMC), used to store data. Power management IC (PMIC) is used to manage power for the main system.

[0090] The above-mentioned vehicle terminal hardware system, the system-on-chip subsystem includes: a system-on-chip, a double-rate synchronous dynamic random access memory, an embedded multimedia card, a first clock circuit, a first reset circuit and a power management integrated circuit. The double-rate synchronous dynamic random access memory, the embedded multimedia card, the first clock circuit, the first reset circuit and the power management integrated circuit are electrically connected to the system-on-chip respectively, and the system-on-chip is electrically connected to the low-orbit Internet communication module and the microcontroller unit subsystem respectively, and communicates wirelessly and / or wired with external devices. In this way, the system-on-chip subsystem is the minimum system of the SOC, which is the smallest component of the SOC with working conditions. It can receive and process satellite communication data through the SOC, realize high-efficiency data processing, send the received satellite communication data to external devices, realize the interconnection between external devices and low-orbit satellites, and realize Internet services such as voice, text messages and data transmission of vehicle terminals.

[0091] In an exemplary embodiment, the microcontroller subsystem includes:

[0092] A micro control unit is electrically connected to the system-on-chip subsystem.

[0093] The second clock circuit is electrically connected to the micro control unit.

[0094] The second reset circuit is electrically connected to the micro control unit.

[0095] In the embodiment of the present application, a microcontroller unit (MCU) is electrically connected to a system-on-chip. In the case where the system further includes a hardware security module, the hardware security module is electrically connected to the microcontroller unit.

[0096] The microcontroller subsystem of the vehicle terminal hardware system includes: a microcontroller unit, a second clock circuit and a second reset circuit, and the microcontroller unit is electrically connected to the system-level chip subsystem, the second clock circuit and the second reset circuit respectively. In this way, the microcontroller subsystem is the minimum MCU system, which can complete the power management, CAN communication, external I / O signal input and output and other tasks of the entire vehicle terminal, thereby realizing the interconnection between external devices and low-orbit satellites, and realizing Internet services such as voice, SMS and data transmission of the vehicle terminal.

[0097] In an exemplary embodiment, the system further includes:

[0098] The controller area network module is electrically connected to the micro control unit subsystem and is used to send the vehicle status data of the target vehicle to the micro control unit subsystem and / or send the vehicle control data issued by the micro control unit subsystem to the target vehicle.

[0099] In an embodiment of the present application, the microcontroller subsystem obtains the vehicle status data of the target vehicle and / or sends the vehicle control data to the target vehicle through the controller area network module. The target vehicle is the vehicle where the vehicle terminal hardware system is located. The target vehicle includes the vehicle terminal hardware system. The vehicle control data may include at least one of satellite communication data and other communication data. Other communication data may be control data sent by an external device through wireless communication and / or wired communication. The controller area network module is also electrically connected to the printed circuit board connector.

[0100] The above-mentioned vehicle-mounted terminal hardware system further includes: a controller area network module, the controller area network module is electrically connected to the micro control unit subsystem, and is used to send the vehicle status data of the target vehicle to the micro control unit subsystem, and / or send the vehicle control data issued by the micro control unit subsystem to the target vehicle. In this way, the micro control unit subsystem obtains the vehicle status data of the target vehicle and / or issues the vehicle control data to the target vehicle through the controller area network module, thereby realizing remote control of the vehicle.

[0101] In one embodiment, as shown in Figure 2, a vehicle-mounted terminal hardware system is provided, which includes: a Fakra connector, the Fakra connector is electrically connected to a satellite antenna, and the satellite antenna is in wireless communication with a low-orbit satellite; a low-orbit Internet communication module, the low-orbit Internet communication module is electrically connected to the Fakra connector; a SOC, the SOC is electrically connected to the low-orbit Internet communication module, and is used to transmit satellite communication data and I / O signals; an MCU, the MCU is electrically connected to the SOC, and is used to transmit satellite communication data and I / O signals; a CODEC, the CODEC is electrically connected to the SOC and the PCB connector, respectively, and is used to implement a microphone (Microphone, MIC) function; a PA, the PA is electrically connected to the CODEC and the PCB connector, respectively, and is used to implement a speaker (Speaker, SPK) function; a HSM, the HSM is electrically connected to the SOC and the MCU, respectively; a SIM, the SIM is electrically connected to the low-orbit Internet communication module; a TF, the TF is electrically connected to the low-orbit Internet communication module; a first USB interface, the first USB interface is electrically connected to the low-orbit Internet communication module; a DDR, a DD R is electrically connected to SOC; eMMC, eMMC is electrically connected to SOC; a first clock circuit, the first clock circuit is electrically connected to SOC; a first reset circuit, the first reset circuit is electrically connected to SOC; PMIC, PMIC is electrically connected to SOC, and is used to power the system; a second USB interface, the second USB interface is electrically connected to SOC; a second clock circuit, the second clock circuit is electrically connected to MCU; a second reset circuit, the second reset circuit is electrically connected to MCU; CAN, CAN is electrically connected to MCU; I / O circuit, the I / O circuit is electrically connected to MCU; PCB connector, the PCB connector is electrically connected to CAN and I / O circuit respectively; power supply, the power supply is electrically connected to the PCB connector, and is used to power the system; backup power supply, the backup power supply is electrically connected to the power supply, and is used to power the system; Ethernet PHY, the Ethernet physical layer is electrically connected to SOC, and communicates with 100 / 1000BASE-T1 wired; WIFI module, the WIFI module is electrically connected to SOC, and communicates wirelessly with the WIFI antenna; or BT module, the BT module is electrically connected to SOC, and communicates wirelessly with the BT antenna.

[0102] In one embodiment, as shown in FIG. 3 , a vehicle-mounted terminal 300 is provided, and the terminal includes any one of the vehicle-mounted terminal hardware systems 100 described above.

[0103] The above-mentioned vehicle-mounted terminal includes any one of the above-mentioned vehicle-mounted terminal hardware systems 100. In this way, satellite communication data is transmitted between the low-orbit Internet communication module and the low-orbit satellite to realize Internet services such as voice, text messages and data transmission, and the satellite communication data is received and processed by the system-level chip subsystem, and the satellite communication data is sent to the external device to realize the interconnection and intercommunication between the external device and the low-orbit satellite communication. There is no need to rely on the ground mobile network signal coverage, and it can provide high-quality Internet access services for users around the world. Even in remote mountainous areas, deserts, some highways and other areas without mobile network signals or poor signals, it can effectively provide users with Internet services, which can improve security.

[0104] It should be understood that, although the various steps in the flowcharts involved in the above-mentioned embodiments are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above-mentioned embodiments can include multiple steps or multiple stages, and these steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a part of the steps or stages in other steps.

[0105] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this application.

[0106] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A vehicle terminal hardware system, characterized in that: The system comprises: A low-orbit Internet communication module, which communicates wirelessly with a low-orbit satellite and is used to transmit satellite communication data with the low-orbit satellite; A system-on-chip subsystem, wherein the system-on-chip subsystem is electrically connected to the low-orbit Internet communication module and is used to transmit the satellite communication data between the low-orbit Internet communication module; the system-on-chip subsystem communicates wirelessly and / or wired with an external device and is used to send the satellite communication data to the external device; A micro control unit subsystem is electrically connected to the system-on-chip subsystem and is used to control the sleep and wake-up of the system-on-chip subsystem.

2. The system according to claim 1, characterized in that The system further comprises: A codec, when the low-orbit Internet communication module does not have an audio interface, the codec is electrically connected to the system-on-chip subsystem; when the low-orbit Internet communication module has an audio interface, the codec is electrically connected to the low-orbit Internet communication module or the system-on-chip subsystem; the codec is used to input voice data; An audio power amplifier is electrically connected to the codec and is used to output voice data.

3. The system according to claim 1, characterized in that The system further comprises: A hardware security module is electrically connected to the system-on-chip subsystem and the micro-control unit subsystem, respectively, and is used to encrypt data of the system-on-chip subsystem and the micro-control unit subsystem.

4. The system according to claim 1, characterized in that The system further comprises: A customer identification module, the customer identification module is electrically connected to the low-orbit Internet communication module for authentication; and / or A micro flash memory card is electrically connected to the low-orbit Internet communication module and is used for data security verification.

5. The system according to claim 1, characterized in that The system further comprises: A coaxial radio frequency signal connector is electrically connected to the low-orbit Internet communication module and the satellite antenna, respectively, and is used to transmit the satellite communication data.

6. The system according to claim 1, characterized in that The system further comprises: a wireless fidelity module, the wireless fidelity module being electrically connected to the system-on-chip subsystem and communicating wirelessly with the wireless fidelity antenna; and / or A Bluetooth module, the Bluetooth module is electrically connected to the system-on-chip subsystem and wirelessly communicates with a Bluetooth antenna; and / or An Ethernet physical layer, wherein the Ethernet physical layer is electrically connected to the system-on-chip subsystem and communicates with the in-vehicle Ethernet by wire.

7. The system according to claim 1, characterized in that The system-on-chip subsystem includes: A system-level chip, wherein the system-level chip is electrically connected to the low-orbit Internet communication module and the micro-control unit subsystem, respectively, and communicates with the external device wirelessly and / or by wire; A double rate synchronous dynamic random access memory, wherein the double rate synchronous dynamic random access memory is electrically connected to the system-on-chip; An embedded multimedia card, the embedded multimedia card being electrically connected to the system-on-chip; a first clock circuit, the first clock circuit being electrically connected to the system-on-chip; a first reset circuit, the first reset circuit being electrically connected to the system-on-chip; A power management integrated circuit is electrically connected to the system-on-chip and is used to supply power to the system.

8. The system according to claim 1, characterized in that The micro control unit subsystem comprises: A micro control unit, the micro control unit being electrically connected to the system-on-chip subsystem; a second clock circuit, the second clock circuit being electrically connected to the micro control unit; A second reset circuit is electrically connected to the micro control unit.

9. The system according to claim 1, characterized in that The system further comprises: A controller area network module, the controller area network module is electrically connected to the micro control unit subsystem, and is used to send vehicle status data of the target vehicle to the micro control unit subsystem, and / or send vehicle control data issued by the micro control unit subsystem to the target vehicle.

10. A vehicle-mounted terminal, characterized in that: The terminal comprises the vehicle-mounted terminal hardware system as claimed in any one of claims 1 to 9.

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