Vehicle-mounted network management system and circuit

Abstract

The utility model provides a vehicle-mounted management system and circuit. The vehicle-mounted management system comprises a selection switch S1 and a selection switch S2, the processor is respectively connected with the selection switch S1 and the selection switch S2; the chip module is bidirectionally connected with the processor; the single-mode Bluetooth WI-FI module is in bidirectional connection with the processor; and the display screen module is connected with the chip module. The problems of combination, coexistence, switching and the like of multiple network modes can be solved only by using the single-mode Bluetooth WI-FI module, and the problem of mobile phone vehicle-mounted network connection is solved. In the aspect of production cost, a single-mode module is more advantageous than a dual-mode module in price. And moreover, the single mode generally does not need high-speed interfaces such as PCIE (Peripheral Component Interconnect Express), and meanwhile, the requirement on the SOC chip is also reduced, namely, the price of SOC model selection is further reduced. Therefore, at least one time of cost can be saved on the price level of dual type selection of the chip and the module.

Description

Technical Field

[0001] The present application relates to the field of vehicle-mounted network communications, and in particular to a vehicle-mounted network management system and circuit. Background Art

[0002] In recent years, with the increasing application of intelligent electronic technologies in transportation, in-vehicle network communications have played a vital role in modern vehicles, allowing motorcycles or cars to connect to smartphones, providing navigation, entertainment, and communication functions. However, in the low-cost market, due to the need to control costs, existing technologies often have some real pain points. First, users are often required to use physical buttons to select the type of phone (Apple or Android) to connect to the vehicle computer. This switching method is not only inconvenient but also increases cost and complexity. Second, Apple phones do not support certain network modes, which prevents users from fully utilizing the instrument cluster functions of their motorcycle or car. Utility Model Content

[0003] To solve the above technical problems, the present application provides a vehicle network management system and circuit.

[0004] In a first aspect, the present application provides a vehicle network management system, comprising:

[0005] processor.

[0006] The chip module is bidirectionally connected to the processor.

[0007] A single-mode Bluetooth WI-FI module is bidirectionally connected to the processor.

[0008] The display screen module is connected to the chip module.

[0009] The utility model also adopts self-developed software, uses a single-mode Bluetooth WI-FI module to complete a senseless connection to the mobile phone, and automatically selects the corresponding network mode.

[0010] Furthermore, the single-mode Bluetooth WI-FI module and the processor transmit data through the UART0 SDIO communication protocol.

[0011] UART0 (Universal Asynchronous Receiver / Transmitter) is used for short-distance communication, such as communication between microcontrollers and computers, sensors, etc.

[0012] SDIO (Secure Digital Input Output) is used for high-speed data transfer between storage devices and embedded systems.

[0013] The utility model adopts a single-mode Bluetooth WI-FI module, uses SDIO instead of traditional PCIE, and combines UARTO for data transmission, further reducing the selection cost of chips and single-mode Bluetooth WI-FI modules.

[0014] Furthermore, the chip module and the processor module perform data transmission via the UART1 communication protocol.

[0015] UART1 (Universal Asynchronous Receiver / Transmitter 1) is another serial communication interface, generally similar to UART0, but can be used for different communication tasks or to connect multiple devices.

[0016] Furthermore, the display screen is connected to the chip module via a Bridge and an LED Driver.

[0017] A bridge is a hardware or software component used to connect different types of networks or devices. It can convert between different protocols, formats, or electrical characteristics.

[0018] An LED driver is an electronic circuit or module specifically designed to control LEDs (light emitting diodes). It is responsible for providing the appropriate current and voltage to ensure the proper functioning of the LED.

[0019] Furthermore, the chip module is unidirectionally connected to the Bridge via the DSI interface standard; the chip module is bidirectionally connected to the Bridge via the I2C4 communication protocol.

[0020] DSI (Display Serial Interface) is a serial interface standard for connecting to displays, primarily developed by the MIPI (Mobile Industry Processor Interface) Alliance. It is widely used in mobile devices such as smartphones, tablets, and other portable devices.

[0021] I2C4 usually refers to the fourth I2C bus instance implemented on some microcontrollers or development boards. It continues the basic characteristics of the I2C protocol and allows multiple devices to communicate on the same bus.

[0022] Furthermore, the Bridge is bidirectionally connected to the display screen module via the I2C3 communication protocol; the Bridge is unidirectionally connected to the display screen module via the LVDS signal standard.

[0023] Furthermore, the LED Driver is bidirectionally connected to the chip module via the I2C3 communication protocol.

[0024] Furthermore, the LED Driver is bidirectionally connected to the display screen module via the I2C3 communication protocol.

[0025] I2C3 (Inter-Integrated Circuit) is a serial communication protocol used for communication between devices over short distances, typically between a microcontroller and a peripheral.

[0026] LVDS (Low-Voltage Differential Signaling) is an electrical signal transmission standard for high-speed data transmission and is widely used in computers and communication equipment.

[0027] Furthermore, the single-mode Bluetooth WI-FI module is connected to the mobile phone via ANT communication.

[0028] ANT is a low-power wireless communication protocol designed for low-rate, low-power devices. It is widely used in various wireless sensor networks and Internet of Things (IoT) applications.

[0029] In a second aspect, the present application further proposes an in-vehicle network management circuit, which includes: a circuit substrate and the in-vehicle network management system described in the first aspect, wherein the in-vehicle network management system is integrated on the circuit substrate.

[0030] In summary, this application proposes an in-vehicle management system and circuit, comprising: a selection switch S1 and a selection switch S2; a processor connected to the selection switches S1 and S2, respectively; a chip module bidirectionally connected to the processor; a single-mode Bluetooth Wi-Fi module bidirectionally connected to the processor; and a display module connected to the chip module. The present invention utilizes only a single-mode Bluetooth Wi-Fi module to achieve the combination, coexistence, and switching of multiple network modes, resolving issues related to mobile phone in-vehicle network connectivity.

[0031] Compared with the prior art, this application has at least the following beneficial effects:

[0032] From a production cost perspective, single-mode modules often offer a price advantage over dual-mode modules. Furthermore, single-mode modules generally don't require high-speed interfaces like PCIe, which reduces the requirements for SoC chips, further reducing the cost of SoC selection. Therefore, the cost savings from both chip and module selection can be at least doubled. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a structural diagram of an in-vehicle network management system shown in an embodiment of the present application.

[0034] Figure 2 This is a flowchart of vehicle-machine communication switching WI-FI based on the network communication system shown in an embodiment of the present application.

[0035] Figure 3 It is a custom BLE communication protocol shown in the embodiment of this application. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application. Example 1:

[0037] like Figure 1 As shown, the present application provides a vehicle network management system, including:

[0038] processor.

[0039] The chip module is bidirectionally connected to the processor.

[0040] A single-mode Bluetooth WI-FI module is bidirectionally connected to the processor.

[0041] The display screen module is connected to the chip module.

[0042] The utility model also adopts self-developed software, uses a single-mode Bluetooth WI-FI module to complete a senseless connection to the mobile phone, and automatically selects the corresponding network mode.

[0043] In an embodiment of the present invention, optionally, the single-mode Bluetooth WI-FI module and the processor perform data transmission via a UART0 SDIO communication protocol.

[0044] UART0 (Universal Asynchronous Receiver / Transmitter) is used for short-distance communication, such as communication between microcontrollers and computers, sensors, etc.

[0045] SDIO (Secure Digital Input Output) is used for high-speed data transfer between storage devices and embedded systems.

[0046] The utility model adopts a single-mode Bluetooth WI-FI module, uses SDIO instead of traditional PCIE, and combines UARTO for data transmission, further reducing the selection cost of chips and single-mode Bluetooth WI-FI modules.

[0047] UART0 uses asynchronous serial communication, and the signal lines used are usually TX (transmit), RX (receive), and ground. The baud rate of UART0 can be configured as needed, with common options such as 9600 and 115200.

[0048] The SDIO communication method is generally used to communicate with SD cards and related devices, using signal lines including CMD (command line), CLK (clock line) and multiple data lines (DAT0, DAT1, DAT2, DAT3, etc.).

[0049] The speed of SDIO can reach hundreds of MB / s, depending on the standard of the SD card (such as SDHC, SDXC, etc.).

[0050] Furthermore, the chip module and the processor module perform data transmission via the UART1 communication protocol.

[0051] UART1 (Universal Asynchronous Receiver / Transmitter 1) is another serial communication interface, generally similar to UART0, but can be used for different communication tasks or to connect multiple devices.

[0052] In an embodiment of the present invention, optionally, the display screen is connected to the chip module via a Bridge and an LED Driver.

[0053] A bridge is a hardware or software component used to connect different types of networks or devices. It can convert between different protocols, formats, or electrical characteristics.

[0054] Common Bridge types include:

[0055] Network bridge: connects two or more local area networks (LANs) to forward data packets.

[0056] Protocol bridges: Convert between different protocols, such as between Wi-Fi and Ethernet.

[0057] Level bridges: used to convert between different voltage or current standards.

[0058] An LED driver is an electronic circuit or module specifically designed to control LEDs (light emitting diodes). It is responsible for providing the appropriate current and voltage to ensure the proper functioning of the LED.

[0059] In an embodiment of the present invention, optionally, the chip module is unidirectionally connected to the Bridge via a DSI interface standard; the chip module is bidirectionally connected to the Bridge via an I2C4 communication protocol.

[0060] DSI (Display Serial Interface) is a serial interface standard for connecting to displays, primarily developed by the MIPI (Mobile Industry Processor Interface) Alliance. It is widely used in mobile devices such as smartphones, tablets, and other portable devices.

[0061] I2C4 usually refers to the fourth I2C bus instance implemented on some microcontrollers or development boards. It continues the basic characteristics of the I2C protocol and allows multiple devices to communicate on the same bus.

[0062] DSI has the following features:

[0063] High bandwidth: supports high-resolution displays and high frame rates, suitable for modern high-resolution displays.

[0064] Low power consumption: Serial transmission reduces power consumption and extends the battery life of the device.

[0065] Differential signal transmission: Using differential signal technology to improve anti-interference ability and signal integrity.

[0066] Multi-channel support: supports multiple data channels and can be expanded as needed to increase data transmission rates.

[0067] I2C4 can realize two-wire communication: using SDA (data line) and SCL (clock line) for data transmission.

[0068] I2C4 can implement multi-master support: allowing multiple master devices to interact with multiple slave devices.

[0069] I2C4 can have flexible speeds: Standard (100 kHz) and Fast mode (400 kHz) are typically supported.

[0070] In an embodiment of the present invention, optionally, the Bridge is bidirectionally connected to the display screen module via an I2C3 communication protocol; the Bridge is unidirectionally connected to the display screen module via an LVDS signal standard.

[0071] In an embodiment of the present invention, optionally, the LED Driver is bidirectionally connected to the chip module via an I2C3 communication protocol.

[0072] In an embodiment of the present invention, optionally, the LED Driver is bidirectionally connected to the display screen module via an I2C3 communication protocol.

[0073] I2C3 (Inter-Integrated Circuit) is a serial communication protocol used for communication between devices over short distances, typically between a microcontroller and a peripheral.

[0074] LVDS (Low-Voltage Differential Signaling) is an electrical signal transmission standard for high-speed data transmission and is widely used in computers and communication equipment.

[0075] I2C3 can implement a two-wire system: using two wires, SDA (data line) and SCL (clock line), to simplify the connection.

[0076] I2C3 can realize multi-master and multi-slave: it allows multiple master devices and slave devices to communicate on the same bus.

[0077] I2C3 can implement address addressing: each device has a unique address, and the master device selects the target slave device by the address.

[0078] LVDS has the following characteristics:

[0079] Low voltage: Reduces power consumption by reducing the supply voltage through differential signaling.

[0080] High speed: Supports high-speed data transmission, typically between several hundred Mbps and several Gbps.

[0081] Anti-interference ability: Differential transmission technology makes the signal more resistant to noise and suitable for use in noisy environments.

[0082] Twisted pair transmission: Transmission is often carried out through twisted pair cables to further enhance anti-interference performance.

[0083] In an embodiment of the present invention, optionally, the single-mode Bluetooth WI-FI module is connected to the mobile phone via ANT communication.

[0084] ANT is a low-power wireless communication protocol designed for low-rate, low-power devices. It is widely used in various wireless sensor networks and Internet of Things (IoT) applications.

[0085] ANT has the following characteristics:

[0086] Low power consumption: The ANT protocol is designed to be energy efficient and is very suitable for battery-powered devices.

[0087] Self-organizing network: supports many-to-many communication and can easily establish a network.

[0088] Multiple topologies: supports star, mesh and other network topologies.

[0089] High data reliability: It has strong anti-interference ability to ensure the stability of data transmission.

[0090] like Figure 2 As shown in FIG. 1 , a flow chart of switching vehicle-machine communication to WI-FI based on the network communication system is shown, which includes the following steps:

[0091] S1: Enable the Bluetooth broadcast service on the vehicle side and set the Bluetooth information in the QR code.

[0092] S2: Use your mobile phone to scan the QR code to obtain the Bluetooth broadcast information in the vehicle computer.

[0093] S3: Send mobile phone information to the car computer.

[0094] S4: Determine whether to switch to WIFI mode according to the mobile phone information sent by the mobile phone.

[0095] S5: After the vehicle-side switching is completed successfully or failed, the corresponding information is sent to the mobile phone.

[0096] The mobile phone scans the QR code on the vehicle computer to establish a communication connection with the vehicle computer and sends the mobile phone information to the vehicle computer. The vehicle computer determines whether to switch to WIFI mode based on the mobile phone type, IOS or Android, and sends the switching result to the mobile phone.

[0097] like Figure 3 As shown, it is a customized BLE communication protocol, and the method performs data transmission according to this protocol.

[0098] In a second aspect, the present application further proposes an in-vehicle network management circuit, which includes: a circuit substrate and the in-vehicle network management system described in the first aspect, wherein the in-vehicle network management system is integrated on the circuit substrate.

[0099] In summary, this application proposes an in-vehicle management system and circuit, comprising: a selection switch S1 and a selection switch S2; a processor connected to the selection switches S1 and S2, respectively; a chip module bidirectionally connected to the processor; a single-mode Bluetooth Wi-Fi module bidirectionally connected to the processor; and a display module connected to the chip module. The present invention utilizes only a single-mode Bluetooth Wi-Fi module to achieve the combination, coexistence, and switching of multiple network modes, resolving issues related to mobile phone in-vehicle network connectivity.

[0100] From a production cost perspective, single-mode modules often offer a price advantage over dual-mode modules. Furthermore, single-mode modules generally don't require high-speed interfaces like PCIe, which reduces the requirements for SoC chips, further reducing the cost of SoC selection. Therefore, the cost savings from both chip and module selection can be at least doubled.

[0101] In several embodiments provided in the present application, it is understood that each box in the flow chart or block diagram can represent a part of a module, program segment or code, and the part of the module, program segment or code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in an order different from that marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which depends on the functions involved.

[0102] If the functions are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a number of instructions for enabling an electronic device to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0103] The specific embodiments described above further illustrate the objectives, technical solutions, and beneficial effects of this application. It should be understood that the above descriptions are merely specific embodiments of this application and are not intended to limit the scope of protection of this application. In particular, it should be noted that any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application by those skilled in the art should be included within the scope of protection of this application.

Claims

1. A vehicle network management system, characterized in that: include: The processor is connected to the selection switch S1 and the selection switch S2 respectively; A chip module, bidirectionally connected to the processor; A single-mode Bluetooth WI-FI module, bidirectionally connected to the processor; The display screen module is connected to the chip module.

2. The vehicle network management system according to claim 1, characterized in that: The single-mode Bluetooth WI-FI module and the processor perform data transmission via the UART0 SDIO communication protocol.

3. The vehicle network management system according to claim 1, characterized in that: The chip module and the processor module perform data transmission via the UART1 communication protocol.

4. The vehicle network management system according to claim 1, characterized in that: The display screen is connected to the chip module via a Bridge and an LED Driver.

5. The vehicle network management system according to claim 4, characterized in that: The chip module is unidirectionally connected to the Bridge via the DSI interface standard; the chip module is bidirectionally connected to the Bridge via the I2C4 communication protocol.

6. The vehicle network management system according to claim 5, characterized in that: The Bridge is bidirectionally connected to the display screen module via the I2C3 communication protocol; the Bridge is unidirectionally connected to the display screen module via the LVDS signal standard.

7. The vehicle network management system according to claim 4, characterized in that: The LED Driver is bidirectionally connected to the chip module via the I2C3 communication protocol.

8. The vehicle network management system according to claim 5, characterized in that: The LED Driver is bidirectionally connected to the display screen module via the I2C3 communication protocol.

9. The vehicle network management system according to claim 1, characterized in that: The single-mode Bluetooth WI-FI module is connected to the mobile phone via ANT communication.

10. An in-vehicle network management circuit, comprising: A circuit substrate and the in-vehicle network management system according to any one of claims 1 to 9, wherein the in-vehicle network management system is integrated on the circuit substrate.

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