Motorcycle instrument remote interaction system

Abstract

The utility model provides a motorcycle instrument remote interaction system, and belongs to the technical field of interaction systems. Comprising a mobile phone module, a WIFI module, an MCU module and a Flash module, the mobile phone module is connected with the WIFI module through a TCP protocol and used for establishing a stable data transmission channel and receiving instructions and data from a mobile phone APP, and the WIFI module is in communication connection with the MCU module through SDIO communication so as to receive an instrument program upgrade package from the mobile phone APP and send the instrument program upgrade package to the MCU module. And the MCU module is in communication connection with the Flash module through an SPI (Serial Peripheral Interface) and is used for storing and reading data. According to the utility model, through close cooperation among the WIFI module, the MCU module and the Flash module, a convenient remote upgrading effect of motorcycle instrument programs is realized, and through cooperation among the WIFI module, the MCU module, the Flash module and related software, an effect of diversified expansion of instrument functions is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to interactive system technical field, especially relate to a motorcycle instrument remote interaction system. BACKGROUND

[0002] With the current motorcycle from the original means of transportation, slowly become a new way of life, motorcycle is developing towards the direction of play, intelligent, electric, high-end. As a motorcycle and user interaction window, instrument is the cornerstone of future intelligent high-end development.

[0003] However, the traditional motorcycle instrument function is limited at present, mainly focuses on the basic signal transmission and feedback work, such as steering light state display, high-low beam switching prompt and speed mileage data presentation etc. When facing program upgrade demand or bug repair task, its operation is extremely tedious. The technical personnel must disassemble the instrument, and repair or change the program operation with the help of special equipment. This process not only consumes a lot of manpower cost, including the time input of technical personnel and the use of professional skills, but also is high in time cost. From the manpower point of view, professional maintenance personnel need to have the skill of disassembling instrument and operating special equipment, which is high in personnel quality requirement. From the time point of view, from instrument disassembly to program repair or upgrade completion and then reinstall back to the vehicle, the whole process is long, which seriously affects the use efficiency of motorcycle and user experience. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problem that the existing motorcycle instrument is inconvenient for program upgrade, lacks deep interaction function with external equipment and cannot meet the diversified needs of users.

[0005] The technical scheme is: in order to realize the above object, the utility model discloses a motorcycle instrument remote interaction system, and it comprises: a mobile phone module, a WIFI module, an MCU module and a Flash module, the mobile phone module is connected with the WIFI module through TCP protocol, is used for establishing stable data transmission channel, receives the instruction and data from the mobile phone APP, the WIFI module is connected with the MCU module communication through SDIO communication, to receive the instrument program upgrade package from the mobile phone APP, the MCU module is connected with the Flash module through SPI communication, is used for realizing the storage and reading of data, the Flash module contains U1, and the MCU module controls the upgrade package storage to U1, and reads data from U1 to realize the remote upgrade of instrument program, wherein the mobile phone module has the friendly user interface, and the user is convenient to operate various functions, it supports a variety of operating system platforms, such as iOS and Android, ensures the extensive user compatibility, simultaneously, the mobile phone module has automatic reconnection mechanism when communicating with the WIFI module, can quickly recover connection after the network appears short-term interruption, guarantees the continuity of data transmission, the WIFI module adopts high-performance wireless chip, supports the latest WiFi standard, has strong signal penetration capacity and anti-interference performance, can work stably in the complex motorcycle driving environment, and its SDIO communication interface follows strict communication protocol specification, has high-speed data transmission rate and data cache function, can effectively prevent the loss and disorder in the data transmission process, the MCU module integrates advanced microprocessor core, has powerful computing capacity and rich peripheral interface, it runs the efficient real-time operating system (RTOS) inside, can multi-task parallel processing, such as simultaneously processing instrument display update, data storage and communication, ensures the timeliness and stability of system response, when communicating with the Flash module, the MCU module can intelligently dispatch according to the importance and read-write frequency of data, and the efficiency of data storage and reading is optimized, the U1 storage chip in the Flash module has large-capacity storage unit, can store multiple versions of instrument program and a large amount of vehicle driving data, it adopts advanced flash memory technology, has high write speed and low power consumption characteristics, can automatically carry out data verification and error correction coding in the data storage process, guarantees the integrity and reliability of data.

[0006] In a further embodiment, the CE pin of U1 is connected to a 3V3 power supply, and the GND pin is grounded, for providing a stable operating voltage for the chip, wherein a high-precision filtering circuit is connected between the CE pin of U1 and the 3V3 power supply, which can effectively filter out high-frequency noise and ripple in the power supply, ensuring that the chip receives a pure and stable power supply signal. The filtering circuit uses an LC filter network composed of capacitors and inductors, which can specifically suppress interference signals of different frequencies; the grounding connection of the GND pin uses a large-area grounding copper foil design to reduce the grounding resistance and reduce the ground potential difference. At the same time, a plurality of grounding vias are added to the grounding line to enhance the reliability of grounding and prevent signal interference and abnormal operation of the chip caused by poor grounding.

[0007] In a further embodiment, the SO pin of U1 is connected to the SPI_DO pin of the MCU module through SPI communication, for outputting data in the storage chip to the MCU module, wherein the connection line between the SO pin of U1 and the SPI_DO pin of the MCU module uses differential transmission to enhance the anti-interference ability of data transmission; a matching resistor is added to the transmission line to optimize impedance matching of the signal, reduce signal reflection, and ensure accurate data transmission; the SPI communication protocol uses a data encryption mechanism during data transmission to ensure the security of data during transmission. The MCU module will decrypt and verify the data before receiving it, and only data that passes the verification will be further processed and used.

[0008] In a further embodiment, the WP pin of U1 is connected to the general input / output pin of the MCU module, for realizing the write protection function of the storage chip, wherein the MCU module controls the WP pin of U1 using a dual protection mechanism combining software and hardware; at the software level, a strict permission management system is set up, only authorized specific operations can change the state of the WP pin; at the hardware level, an isolation circuit is connected between the WP pin and the MCU module to prevent external interference signals from triggering the release of the write protection function by mistake; when the WP pin is in the write protection state, the U1 chip will monitor the write operation in real time, and once an illegal write operation attempt is detected, the chip's internal alarm mechanism will be triggered immediately, and the relevant information will be recorded in a specific register of the chip for subsequent troubleshooting.

[0009] In a further embodiment, the SDIO_DO pin of U2 is connected to the SDIO_DO pin of U3 for data interaction between the two, wherein the data interaction between the SDIO_DO pin of U2 and the SDIO_DO pin of U3 adopts a high-speed data transmission mode, supports burst transmission and multi-byte data simultaneous transmission, and improves data transmission efficiency; before data transmission, initialization and handshake operation of the data transmission channel are performed to ensure that both devices are in a ready state; U3 performs compression processing on the data when transmitting data to U2, reducing data transmission volume and improving transmission speed. After receiving the data, U2 performs decompression operation and integrity check on the data, and sends a retransmission request to U3 if data error or loss is found.

[0010] In a further embodiment, the SDIO_CLK pin of U2 is connected to the SDIO_CLK pin of U3 for providing a clock signal required for data interaction, wherein the clock signal source connected to the SDIO_CLK pin of U2 and the SDIO_CLK pin of U3 has high precision and high stability. The clock signal source adopts a crystal oscillator and is equipped with clock frequency multiplication and frequency division circuit, which can flexibly adjust the clock frequency according to the data transmission requirement; a clock buffer is added on the clock signal transmission line to enhance the driving ability of the clock signal, ensuring that the clock signal can be accurately transmitted to each relevant circuit module of U2 and U3, and ensuring that data is transmitted in order under the synchronization of the clock signal.

[0011] In a further embodiment, the 3V3 pin of U3 is connected to a 3V3 power supply and the GND pin is grounded to provide working voltage for the module, wherein an overvoltage protection circuit is connected between the 3V3 pin of U3 and the 3V3 power supply, which will quickly start to stabilize the voltage within a safe range when the power supply voltage abnormally rises, preventing the U3 module from being damaged due to overvoltage; a grounding detection circuit is connected on the grounding line of the GND pin to monitor the grounding state in real time; once problems such as poor grounding or excessive grounding resistance are found, an alarm signal will be sent to the MCU module in time to take appropriate measures for repair.

[0012] In a further embodiment, the SPI_CS pin of U2 is connected with the SSPO_CS pin of U1 to realize the chip selection operation of U1, so that U2 can select U1 for data reading and writing, wherein the connection line between the SPI_CS pin of U2 and the SSPO_CS pin of U1 adopts a low-level effective design, and a pull-up resistor is added on the chip selection signal line to ensure that U1 is in the unselected state by default, preventing misoperation; when U2 sends the chip selection signal, a short delay will be added on the signal line to ensure that U1 has enough time to prepare for response; after the data reading and writing operation is completed, U2 will release the chip selection signal in time to make U1 return to the unselected state, reducing unnecessary power consumption and interference.

[0013] In a further embodiment, the SDIO_D1 pin of U3 is connected with the SDIO_D1 pin of U2 to transmit specific data signals to ensure the integrity of data interaction between U2 and U3, wherein the data signals transmitted by the SDIO_D1 pin of U3 and the SDIO_D1 pin of U2 adopt a specific data encoding format, which adds check bits and data identification bits in the data. The check bits are used for data integrity verification, and the data identification bits are used to distinguish different types of data; during data transmission, U2 and U3 will parse and process the data according to the agreed communication protocol; if U2 finds data verification error, it will send error feedback information to U3, and U3 will resend the data according to the feedback information to ensure the accuracy and integrity of data interaction.

[0014] In a further embodiment, the CE, SO, WP, HOLD, SCK and SI pins on U1 are connected with a current limiting resistor between 3V3 power supply to prevent excessive current from impacting the chip, wherein the resistance value of the current limiting resistor needs to be selected according to actual needs.

[0015] Beneficial effects: 1. Through the close cooperation between the WIFI module, the MCU module and the Flash module, the convenient remote upgrade effect of the motorcycle instrument program is realized; the WIFI module establishes a TCP connection with the mobile phone APP to receive the upgrade package, the MCU module uses its data processing and control ability to interact with the WIFI module through sdio to obtain data, and cooperates with the Flash module to store and read data through spi, completing the program update; achieving the purpose of upgrading the program without disassembling the instrument and using expensive special equipment.

[0016] 2. Through the cooperation of WIFI module, MCU module, Flash module and related software, the effect of diversified expansion of instrument function is realized; WIFI module builds a communication bridge between the instrument and the mobile phone, realizes the bidirectional flow of data, uploads the driving state and other information, and receives the mobile phone function data; MCU module processes and converts data, Flash module stores related data and software resources, and software controls the whole process and data processing logic; the purpose of breaking through the limitation of traditional instrument function is achieved, the mobile phone function is projected to the instrument, UI customization and application software installation are realized, and the human-computer interaction ability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 It is a motorcycle instrument remote interaction system architecture schematic diagram.

[0019] Figure 2 It is a U1 pin connection schematic diagram.

[0020] Figure 3 It is a U2 pin connection relationship schematic diagram.

[0021] Figure 4 It is a U3 pin connection schematic diagram.

[0022] The reference signs in the drawings are: 1, mobile phone module; 2, WIFI module; 3, MCU module; 4, Flash module. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme in the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0024] The motorcycle instrument remote interaction system provided by the embodiments of the present application solves the technical problems that the existing motorcycle instrument is inconvenient for program upgrade, lacks deep interaction function with external devices, and cannot meet the diversified needs of users. In actual use, the purposes of convenient and efficient remote program upgrade and deep and multifunctional interaction between the motorcycle instrument and external devices such as mobile phones are achieved.

[0025] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the drawings and specific embodiments of the specification.

[0026] Referring to Figures 1-4 A motorcycle instrument remote interaction system, comprising: a mobile phone module 1, a WIFI module 2, an MCU module 3 and a Flash module 4, the mobile phone module 1 is connected with the WIFI module 2 through TCP protocol, for establishing a stable data transmission channel, receiving instructions and data from the mobile phone APP, the WIFI module 2 is connected with the MCU module 3 through SDIO communication, for receiving instrument program upgrade package from the mobile phone APP, the MCU module 3 is connected with the Flash module 4 through SPI communication, for realizing data storage and reading, the Flash module 4 contains U1, the MCU module 3 controls the upgrade package to be stored to the U1, and reads data from the U1 to realize remote upgrade of instrument program.

[0027] Through the cooperative operation of the mobile phone module 1, the WIFI module 2, the MCU module 3 and the Flash module 4, the instrument can not only receive remote upgrade instructions, function setting information and the like of the mobile phone APP, but also upload vehicle state information, fault codes and the like to the mobile phone APP, greatly expanding the instrument control range and information acquisition approach, improving the intelligent management experience, and achieving the effect of convenient remote upgrade of instrument program. The mobile phone APP sends the upgrade package to the U1 of the Flash module 4 through each module, without manual disassembly of the instrument and professional equipment, reducing time and labor cost, improving upgrade efficiency, and ensuring good instrument performance.

[0028] The CE pin of the U1 is connected to the 3V3 power supply, and the GND pin is grounded, for providing stable working voltage for the chip.

[0029] The effect of providing stable and reliable working voltage for the U1 chip is realized; the connection of the CE pin with the 3V3 power supply and the grounding of the GND pin build the basic electrical environment for normal operation of the chip, ensuring that the internal circuit of the chip can stably perform data storage, reading and other operations, avoiding data errors or chip damage caused by unstable voltage or power supply fluctuation, thereby improving the safety and reliability of data storage.

[0030] The SO pin of the U1 is connected to the SPI_DO pin of the MCU module 3 through SPI communication, for outputting data in the storage chip to the MCU module 3.

[0031] It realizes the function of accurately outputting the data in the U1 storage chip to the MCU module 3; during the data reading operation, it can efficiently transmit the data stored in U1 to the MCU module 3 according to the SPI communication protocol, so that the MCU module 3 can perform subsequent data processing, such as using the instrument configuration data for interface display adjustment, or extracting program code to update and expand the instrument function, ensuring the smooth flow of data between the storage chip and the control core, and improving the data utilization efficiency of the system.

[0032] The WP pin of U1 is connected to the general input and output pin of the MCU module 3 to implement the write protection function of the memory chip.

[0033] A flexible and secure write protection control function is implemented for the U1 storage chip. The MCU module 3 can control the level of the general input and output pins through software programming according to the system operating status and operational requirements, thereby determining the write protection status of U1. During normal operation, it effectively prevents accidental data writing and protects stored critical data, such as instrument programs and configuration information, from being accidentally modified or destroyed. During legitimate upgrades or data updates, the write protection can be released and secure data writing operations can be performed, ensuring the controllability and security of data storage and enhancing the system's ability to manage data storage.

[0034] The U2 is located in the MCU module 3, and the SDIO_DO pin of the U2 is connected to the SDIO_DO pin of the U3 to achieve data interaction between the two.

[0035] It realizes high-speed and reliable data interaction between U2 (inside MCU module 3) and U3; it can quickly transmit vehicle-related data collected by U3 to U2 so that U2 can perform further data processing and analysis, such as integrating vehicle sensor data and judging vehicle status, etc., which improves the system's vehicle data collection and processing speed, and provides the instrument with more timely and accurate vehicle information display and related function decision-making basis.

[0036] The SDIO_CLK pin of U2 is connected to the SDIO_CLK pin of U3 to provide a clock signal required for data interaction.

[0037] It achieves the effect of providing precise clock synchronization for data interaction between U2 and U3; by providing a stable clock signal, it ensures that data is transmitted between the two in the correct timing, avoids errors and confusion in data transmission, improves the accuracy and stability of data transmission, ensures the data interaction quality of the entire system, and enables the system to stably process large amounts of vehicle data.

[0038] The 3V3 pin of U3 is connected to a 3V3 power supply, and the GND pin is grounded to provide operating voltage for the module.

[0039] The function of providing stable working voltage for the U3 module is realized; the stable power supply ensures that the U3 module can operate normally, so that it can effectively collect various data of the vehicle, such as sensor data of vehicle speed, oil temperature, tire pressure, etc., and perform preliminary data processing and transmission preparation, providing a reliable hardware foundation for the data collection link of the entire system, ensuring that the system can continuously obtain the running state information of the vehicle.

[0040] The SPI_CS pin of the U2 is connected with the SSPO_CS pin of the U1, which is used to realize the chip selection operation of the U1, so that the U2 can select the U1 for data reading and writing.

[0041] The precise chip selection operation function of the U2 to the U1 is realized; in the SPI communication environment of multiple devices, the U2 can accurately select the U1 for data reading and writing operation, whether it is to store the instrument program upgrade package to the U1 or to read data from the U1 for instrument operation, it can be carried out in an orderly manner, improving the pertinence and effectiveness of data storage and reading, and ensuring the efficient use of the system to the data storage device.

[0042] The SDIO_D1 pin of the U3 is connected with the SDIO_D1 pin of the U2, which is used to transmit specific data signals to ensure the integrity of data interaction between the U2 and the U3.

[0043] The function of transmitting specific data signals to ensure the integrity of data interaction between the U2 and the U3 is realized; by transmitting specific signals such as data verification information and data type identification, the U2 can accurately verify and classify the data received from the U3, timely discover and correct errors in the data transmission process, ensure the integrity and reliability of data interaction between the U2 and the U3, improve the accuracy and effectiveness of the system in processing vehicle data, and avoid system misjudgment or abnormal function caused by data errors.

[0044] The CE, SO, WP, HOLD, SCK and SI pins on the U1 are connected with a current limiting resistor between the 3V3 power supply, which is used to prevent excessive current from impacting the chip.

[0045] The effective limitation and protection function of the current of each pin of the U1 chip is realized; by connecting a current limiting resistor between the CE, SO, WP, HOLD, SCK and SI pins and the 3V3 power supply, it prevents excessive current from impacting the internal circuit corresponding to each pin of the chip due to power fluctuations, external interference or internal abnormalities of the chip, reduces the risk of chip damage due to overcurrent, improves the stability and reliability of the chip operation, and ensures the normal operation of the entire system data storage and processing.

[0046] In use, the motorcycle instrument remote interaction system works, first, the mobile phone module 1 establishes a stable data transmission channel with the WIFI module 2 through the TCP protocol, and is ready to receive instructions and data from the mobile phone APP; when there is a need for instrument program upgrade, the mobile phone APP sends an upgrade package, the WIFI module 2 transmits it to the MCU module 3 through the SDIO communication, and the MCU module 3 stores the upgrade package into U1 in the Flash module 4 through the SPI communication, in the process, the CE pin of U1 is connected with the 3V3 power supply, the GND pin is grounded to provide stable working voltage for the chip, the SO pin is connected with the SPI_DO pin of the MCU module 3 to realize data output, the WP pin is connected with the general input and output pin of the MCU module 3 for write protection control, and the current limiting resistors between the related pins and the 3V3 power supply prevent current impact; at the same time, U2 is in the MCU module 3, the SDIO_DO pin of U2 is connected with the SDIO_DO pin of U3, and the SDIO_CLK pin is connected with the SDIO_CLK pin of U3 to provide conditions for data interaction between U2 and U3, the 3V3 pin of U3 is connected with the 3V3 power supply, and the GND pin is grounded to ensure working voltage, the SPI_CS pin of U2 is connected with the SSPO_CS pin of U1 to realize the chip selection operation of U1, the SDIO_D1 pin of U3 is connected with the SDIO_D1 pin of U2 to ensure the integrity of data interaction, U3 is responsible for collecting vehicle related data and transmitting the data to U2 through the above connection, U2 can store the data processed to U1 or be used for instrument function implementation, and the instrument can also transmit vehicle state information and other data to the mobile phone APP through the MCU module 3 and the WIFI module 2, to realize remote bidirectional data interaction.

[0047] The figures expressed in the drawings are example figures, and the purpose is only to more intuitively show the key structure and connection relationship of the motorcycle instrument remote interaction system of the utility model; in actual application, the appearance and size of the device can be adjusted and optimized according to specific needs.

[0048] The utility model covers any alternative, modification, equivalent method and scheme made on the essence and range of the utility model. In order to enable the public to have a thorough understanding of the utility model, the specific details are explained in the above preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known methods, processes, flows, elements and circuits are not explained in detail.

[0049] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled personnel in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A motorcycle instrument remote interaction system, characterized in that: include: A mobile phone module (1), a WIFI module (2), an MCU module (3) and a Flash module (4); the mobile phone module (1) is connected to the WIFI module (2) via a TCP protocol to establish a stable data transmission channel and receive instructions and data from a mobile phone APP; the WIFI module (2) is connected to the MCU module (3) via SDIO communication to receive an instrument program upgrade package from the mobile phone APP; the MCU module (3) is connected to the Flash module (4) via SPI communication to implement data storage and reading; the Flash module (4) includes a U1; the MCU module (3) controls the storage of the upgrade package in the U1 and reads data from the U1 to implement remote upgrade of the instrument program.

2. The motorcycle instrument remote interaction system according to claim 1, characterized in that: The CE pin of U1 is connected to a 3V3 power supply, and the GND pin is grounded, so as to provide a stable operating voltage for the chip.

3. The motorcycle instrument remote interaction system according to claim 1, characterized in that: The SO pin of the U1 is connected to the SPI_DO pin of the MCU module (3) via SPI communication, and is used to output data in the storage chip to the MCU module (3).

4. The motorcycle instrument remote interaction system according to claim 1, characterized in that: The WP pin of the U1 is connected to the general input and output pin of the MCU module (3) to implement a write protection function for the memory chip.

5. The motorcycle instrument remote interaction system according to claim 1, characterized in that: It also includes U2 and U3: the U2 is located in the MCU module (3), and the SDIO_DO pin of the U2 is connected to the SDIO_DO pin of the U3 to realize data interaction between the two.

6. The motorcycle instrument remote interaction system according to claim 5, characterized in that: The SDIO_CLK pin of U2 is connected to the SDIO_CLK pin of U3 to provide a clock signal required for data interaction.

7. The motorcycle instrument remote interaction system according to claim 5, characterized in that: The 3V3 pin of U3 is connected to a 3V3 power supply, and the GND pin is grounded to provide operating voltage for the module.

8. The motorcycle instrument remote interaction system according to claim 5, characterized in that: The SPI_CS pin of U2 is connected to the SSPO_CS pin of U1 to implement a chip select operation on U1, so that U2 can select U1 to read and write data.

9. The motorcycle instrument remote interaction system according to claim 5, characterized in that: The SDIO_D1 pin of U3 is connected to the SDIO_D1 pin of U2 for transmitting specific data signals to ensure the integrity of data interaction between U2 and U3.

10. The motorcycle instrument remote interaction system according to claim 2, characterized in that: Current-limiting resistors are connected between the CE, SO, WP, HOLD, SCK, and SI pins on U1 and the 3V3 power supply to prevent excessive current from impacting the chip.

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