Intelligent screen projection control method and system for two-wheeled vehicle liquid crystal instrument and medium

Abstract

The invention provides an intelligent screen projection control method and system for a two-wheeled vehicle liquid crystal instrument and a medium, an authentication mode is dynamically selected based on Bluetooth signal intensity, a graphic code is generated when the signal intensity is high, and a digital code is generated when the signal intensity is low; first communication connection is established after authentication is passed, the vehicle speed is monitored in real time, and second communication connection is activated when the vehicle speed is lower than a safety threshold value; in the screen projection process, vehicle state information and vehicle speed are integrated to calculate a split-screen priority index, when a risk threshold value is exceeded, an instrument display area is expanded to a dominant proportion, driving information display is enhanced, and meanwhile, a multimedia area is compressed into pure audio output; if it is monitored that the WiFi transmission quality is deteriorated, switching back to the Bluetooth channel for transmission, and restarting the high-definition projection screen after the network is recovered; through cooperative control of dynamic authentication, vehicle speed control screen projection, split-screen response and redundancy transmission, the screen projection availability is improved on the premise of guaranteeing driving safety, and the operation risk in the high-speed and emergency state is remarkably reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of liquid crystal instrument screen projection, more particularly, to an intelligent screen projection control method, system and medium for a liquid crystal instrument of a two-wheeled vehicle. BACKGROUND

[0002] At present, the liquid crystal instrument screen projection technology of a two-wheeled electric vehicle generally adopts a Bluetooth and WiFi dual-mode transmission architecture. However, in the traditional scheme, there are systematic defects in the implementation process. In the connection authentication link, the traditional scheme relies on a fixed digital security code for Bluetooth pairing. When the user is in a weak signal environment, input errors or connection timeouts are caused due to the inability to clearly view the security code displayed on the instrument screen, and the fixed coding mode is easily intercepted by a man-in-the-middle attack, causing serious security vulnerabilities. In the screen projection startup stage, the prior art does not establish a driving state perception mechanism, and high-definition video streaming is still allowed to be projected when the vehicle is driving at high speed, causing the driver to significantly increase the risk of accidents due to distracted operation of the touch screen. In the split-screen display strategy, the traditional scheme adopts a preset fixed ratio split screen, and when the vehicle appears an emergency situation such as a low battery alarm or a motor failure, the key safety information is compressed in a narrow display area, and visual strong prompts cannot be achieved, and even the entertainment interface such as a navigation map may be covered.

[0003] Therefore, it is urgent to develop an intelligent screen projection technology for a liquid crystal instrument of a two-wheeled vehicle to improve the safety and reliability of the screen projection system. SUMMARY

[0004] In view of the above problems, the purpose of the present application is to provide an intelligent screen projection control method, system and medium for a liquid crystal instrument of a two-wheeled vehicle. First, the authentication mode is intelligently switched based on a Bluetooth signal strength threshold, improving the operation safety and connection efficiency in a weak signal environment. Second, the vehicle speed is monitored in real time after Bluetooth authentication, and the WiFi screen projection channel is activated only when it is below a safety threshold, reducing the risk of distraction at high speed. Third, the split-screen priority index is dynamically calculated by fusing the power, fault code and vehicle speed, driving the display interface to adaptively reorganize and achieve strong visualization of emergency driving information. Finally, the WiFi transmission signal is monitored in real time to ensure the continuous accessibility of high-priority instructions.

[0005] The first aspect of the present application provides an intelligent screen projection control method for a liquid crystal instrument of a two-wheeled vehicle, the method comprising: obtaining signal strength information; determining whether the signal strength information is greater than a preset signal strength threshold; if yes, generating an authentication graphic code; if no, generating an authentication digital code; After the binding authentication passes, a first communication connection is established, and vehicle speed information is acquired; If the vehicle speed information is lower than a preset vehicle speed threshold, a second communication connection is established; Vehicle state information is acquired, and a split-screen priority index is obtained in combination with the vehicle speed information; According to the split-screen priority index, the split-screen proportion and the multimedia output format are adjusted; When the multimedia video output is in a multimedia video output, signal quality information is acquired; If the signal quality information is lower than a preset signal quality threshold, the first communication connection is switched to; When the signal quality recovers to the signal quality threshold, the second communication connection is switched to.

[0006] In the scheme, the generation of the authentication graphical code specifically includes: In response to the signal strength information being greater than a preset signal strength threshold; According to a preset unique identification code, a first certificate code is obtained based on a preset first encryption algorithm; According to the first certificate code, a graphical code is generated; Within a preset first time, if a graphical code verification instruction is received; The graphical code verification instruction is parsed to obtain a first verification code; According to the first certificate code and the first verification code, a graphical code authentication result is obtained based on a preset signature verification rule.

[0007] In the scheme, the generation of the authentication digital code specifically includes: In response to the signal strength information not being greater than a preset signal strength threshold; According to a preset unique identification code, the digital code is obtained based on a preset second encryption algorithm; Within a preset first time, if a digital code verification instruction is received; According to the digital code verification instruction, a second verification code is obtained based on a preset string matching rule; According to the digital code and the second verification code, a digital code authentication result is obtained.

[0008] In the scheme, the acquisition of the vehicle state information in combination with the vehicle speed information to obtain the split-screen priority index specifically includes: Based on a preset communication bus, vehicle state information is collected in real time, including at least power, fault code, and alarm lamp state; According to the vehicle speed information, the weight coefficients of each vehicle state are dynamically allocated; Based on the vehicle state information and the corresponding weight coefficients, the split-screen priority index is obtained in a weighted fusion manner. If the power is lower than a preset power threshold, or the fault code matches a set fault code interval, the split screen priority index is set to a preset first index reference value; If the vehicle speed information exceeds a road speed threshold, or the warning light is in a flashing state, the split screen priority index is adjusted upward based on a preset first proportion coefficient.

[0009] In this scheme, the split screen priority index is used to adjust the split screen proportion and the multimedia output format, specifically including: When the split screen priority index is higher than a preset risk index threshold; According to a preset first split screen proportion, the screen proportion of the instrument area and the multimedia area is adjusted; The display contrast of the speedometer, the power graph and the warning symbol in the instrument area is improved; The video stream of the multimedia area is converted into an audio stream; When the split screen priority index is lower than a preset risk index threshold; According to a preset second split screen proportion, the screen proportion of the instrument area and the multimedia area is adjusted; The instrument area image is simplified, and the multimedia area video stream output is maintained.

[0010] In this scheme, the video stream of the multimedia area is converted into an audio stream, specifically including: The video image rendering mechanism of the video stream of the multimedia area is interrupted; Based on a preset feature interception model, navigation information and incoming call information in the multimedia area are intercepted to obtain text data; Based on a pre-trained conversion model, the text data is converted into a voice output.

[0011] The second aspect of the present application provides an intelligent screen projection control system for a two-wheeled vehicle liquid crystal instrument, which comprises an intelligent screen projection control method program for a two-wheeled vehicle liquid crystal instrument, and the intelligent screen projection control method program for a two-wheeled vehicle liquid crystal instrument is executed by the processor to realize the following steps: Obtain signal strength information; Determine whether the signal strength information is greater than a preset signal strength threshold; If yes, generate an authentication graphic code; If no, generate an authentication digital code; After the authentication is passed, a first communication connection is established to obtain vehicle speed information; If the vehicle speed information is lower than a preset vehicle speed threshold, a second communication connection is established; Obtain vehicle state information, and combine the vehicle speed information to obtain a split screen priority index; According to the split-screen priority index, the split-screen ratio and the multimedia output format are adjusted. When the multimedia video output is in a multimedia video output mode, signal quality information is acquired. If the signal quality information is lower than a preset signal quality threshold, the first communication connection is switched to. When the signal quality returns to the signal quality threshold, the second communication connection is switched to.

[0012] In the scheme, the generation of the authentication graphical code specifically includes: In response to the signal strength information being greater than a preset signal strength threshold; Based on a preset first encryption algorithm, a first certificate code is obtained according to a preset unique identification code; The first certificate code is used to generate a graphical code; Within a preset first time, if a graphical code verification instruction is received; The graphical code verification instruction is parsed to obtain a first verification code; Based on a preset signature verification rule, a graphical code authentication result is obtained according to the first certificate code and the first verification code.

[0013] In the scheme, the generation of the authentication digital code specifically includes: In response to the signal strength information not being greater than a preset signal strength threshold; Based on a preset second encryption algorithm, the digital code is obtained according to a preset unique identification code; Within a preset first time, if a digital code verification instruction is received; Based on a preset string matching rule, the digital code verification instruction is parsed to obtain a second verification code; A digital code authentication result is obtained according to the digital code and the second verification code.

[0014] The third aspect of the present application provides a computer readable storage medium, the computer readable storage medium includes a smart screen projection control method program for a two-wheeled vehicle liquid crystal instrument, when the smart screen projection control method program for the two-wheeled vehicle liquid crystal instrument is executed by a processor, the steps of the smart screen projection control method for the two-wheeled vehicle liquid crystal instrument are realized.

[0015] The application provides an intelligent screen projection control method, system and medium for a two-wheeled vehicle liquid crystal instrument, which dynamically selects an authentication mode based on a Bluetooth signal strength, generates a graphical code when the signal strength is high, and generates a digital code when the signal strength is low; a first communication connection is established after authentication, vehicle speed is monitored in real time, and a second communication connection is activated when the vehicle speed is lower than a safety threshold; during screen projection, a split-screen priority index is calculated by comprehensively considering vehicle state information and vehicle speed, the instrument display area is expanded to a main proportion when the risk threshold is exceeded, driving information display is strengthened, and a multimedia area is compressed to pure audio output; if it is monitored that the WiFi transmission quality deteriorates, the transmission is switched back to the Bluetooth channel, and the high-definition screen projection is restarted after the network is restored; through the cooperative control of dynamic authentication, vehicle speed control screen projection, split-screen response and redundant transmission, the application improves the screen projection availability under the premise of ensuring driving safety, and significantly reduces the operation risk in high-speed and emergency states. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the application, and therefore should not be regarded as a limitation on the scope.

[0017] Figure 1 A flowchart of an intelligent screen projection control method for a two-wheeled vehicle liquid crystal instrument is shown; Figure 2 A flowchart of generating a graphical code provided by the embodiment of the application is shown; Figure 3 A flowchart of generating a digital code provided by the embodiment of the application is shown; Figure 4 A block diagram of an intelligent screen projection control system for a two-wheeled vehicle liquid crystal instrument is shown. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the application.

[0019] Unless otherwise defined, all terms (including technical and scientific terms) used in the embodiments of the application have the same meanings as commonly understood by those skilled in the art to which the application belongs. It should also be understood that terms such as those defined in a generally used dictionary should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or overly formal sense, unless the embodiments of the application explicitly define otherwise.

[0020] The terms "first", "second", and similar terms in the embodiments of the present application do not denote any order, quantity, or importance, but are only used to distinguish different components. The terms "one", "a", or "the" do not denote a quantity restriction, but denote the existence of at least one. Similarly, the terms "include" or "contain" and similar terms mean that the components or objects before the terms cover the components or objects listed after the terms and their equivalents, and do not exclude other components or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The steps before or after the method of the embodiments of the present application do not necessarily proceed in order. On the contrary, various steps can be processed in reverse order or simultaneously. Meanwhile, other operations can be added to these processes, or one or more steps can be removed from these processes.

[0021] In addition, the functional modules in various embodiments of the present application can be integrated together to form an independent part, or each module can exist independently, or two or more modules can be integrated to form an independent part.

[0022] Figure 1 A flowchart of an intelligent screen projection control method for a two-wheeled vehicle liquid crystal instrument is shown.

[0023] As Figure 1 shown, the first aspect of the present application discloses an intelligent screen projection control method for a two-wheeled vehicle liquid crystal instrument, the method comprising: S102, acquiring signal strength information; S104, determining whether the signal strength information is greater than a preset signal strength threshold; S106, if yes, generating an authentication graphical code; S108, if no, generating an authentication digital code; S110, binding an authentication pass to establish a first communication connection and acquire vehicle speed information; S112, if the vehicle speed information is lower than a preset vehicle speed threshold, establishing a second communication connection; S114, acquiring vehicle state information, combining the vehicle speed information to obtain a split screen priority index; S116, adjusting a split screen ratio and a multimedia output format according to the split screen priority index; S118, acquiring signal quality information when in multimedia video output; S120, if the signal quality information is lower than a preset signal quality threshold, switching to the first communication connection; S122, switching to a second communication connection when the signal quality recovers to the signal quality threshold.

[0024] It should be noted that the signal strength information is Bluetooth signal strength; the first communication connection is a Bluetooth connection mode; the second communication connection is a WiFi connection mode; and the signal quality information is WiFi channel transmission quality.

[0025] In this embodiment, when the mobile terminal and the two-wheeled vehicle instrument establish a connection, first, the Bluetooth signal strength information is detected. When the Bluetooth signal strength exceeds a preset threshold, a dynamically encrypted graphical authentication code is generated and displayed on the instrument screen, for the mobile terminal to scan to complete two-way authentication; wherein the graphical code includes but is not limited to a bar code and a two-dimensional code. When the Bluetooth signal is weak, a voice-assisted broadcast or a digital code displayed on the screen is generated, requiring the user to manually input. After completing two-way authentication, a stable Bluetooth communication connection is established as a first transmission channel. Subsequently, the vehicle speed information from the vehicle control bus is acquired in real time, and only when the vehicle speed is below a safe driving threshold, the WiFi hotspot function of the instrument end is activated, and a second communication channel is established with the mobile terminal for high-definition video stream transmission. In the process of screen projection, the core parameters such as vehicle battery power, motor fault code and light warning state are continuously collected, and the split-screen priority index is dynamically calculated in combination with the real-time vehicle speed. When the split-screen priority index exceeds the risk threshold, the instrument display area ratio is automatically expanded to the dominant position, and the digital display of key information such as vehicle speed and power is strengthened with high contrast; at the same time, the multimedia projection area is compressed into a secondary area, and the video stream is interrupted to a pure audio output mode. If the WiFi channel transmission quality is monitored to be below the reliable threshold at this time, the navigation instructions and interactive control signals are immediately switched back to the Bluetooth channel transmission, and the WiFi video stream channel is re-enabled after the network quality recovers, thereby forming a closed-loop control system of communication dual-channel redundancy guarantee and display content dynamic adaptation. The adaptive dynamic optimization of screen projection in this embodiment not only ensures the absolute visibility of core driving information during riding, but also eliminates the impact of network fluctuations on key instructions through dual-channel complementary transmission; while ensuring riding safety, the multimedia experience of users is improved.

[0026] Figure 2 A flowchart of generating a graphical code provided by an embodiment of the present application is shown.

[0027] According to an embodiment of the present application, as shown in Figure 2 The generating an authentication graphical code specifically includes: S202, in response to the signal strength information being greater than a preset signal strength threshold; S204, based on a preset first encryption algorithm, obtaining a first certificate code according to a preset unique identification code; S206, generating a graphical code according to the first certificate code. S208, if the graphical code verification instruction is received within a preset first time; S210, parsing the graphical code verification instruction to obtain a first verification code; S212, based on a preset signature verification rule, obtaining a graphical code authentication result according to the first certificate code and the first verification code.

[0028] It should be noted that the embodiment provides a generation mechanism of the graphical code. In the embodiment, for the high-strength Bluetooth signal scene, the instrument end calls a preset encryption algorithm to perform asymmetric encryption operation on the device unique identifier to generate a first certificate code containing a dynamic key and a timestamp. And based on a preset graphical code conversion rule, the first certificate code is converted into a graphical code and displayed in the center of the liquid crystal screen. Subsequently, a countdown protection mechanism is started. The mobile terminal scans the two-dimensional code to parse the encryption key, generates a digital signature form of verification instruction combined with the device identifier of the mobile terminal, and returns to the instrument end. The instrument end receives the instruction and parses the first verification code, and completes the two-way authentication by comparing the consistency of the dynamic key and verifying the validity of the digital signature. If the verification is completed within the countdown and the key matches, the device is authorized and the communication port is opened; if it is timed out or the verification fails, the current two-dimensional code is automatically destroyed and a new encrypted graphical code is generated. The embodiment protects against man-in-the-middle attacks and replay attacks through dynamic key binding and time effectiveness control. In addition, the two-factor authentication mechanism of the dynamic key and the device identifier effectively reduces the security vulnerability that the fixed digital code is easily intercepted and replayed; and the scanning operation is significantly more efficient than manual input, which compresses the time consumption of the authentication link and improves the user experience.

[0029] Figure 3 A flowchart of generating a digital code is shown.

[0030] According to the embodiment of the present application, as Figure 3 shown, the generation of the authentication digital code specifically includes: S302, in response to the signal strength information being not greater than a preset signal strength threshold; S304, based on a preset second encryption algorithm, obtaining the digital code according to a preset unique identifier; S306, if a digital code verification instruction is received within a preset first time; S308, parsing the digital code verification instruction to obtain a second verification code; S310, based on a preset string matching rule, obtaining a digital code authentication result according to the digital code and the second verification code.

[0031] It should be noted that the embodiment provides a generation mechanism of the digital code. In the embodiment, in a weak Bluetooth signal environment, the instrument end adopts a lightweight encryption algorithm to perform hash operation on the device unique identification code to generate a six-digit random number security code. Dual outputs of screen display and voice cyclic broadcast are synchronously performed, and the mobile terminal encapsulates the digital code input by the user as a verification instruction and sends the verification instruction. The instrument end analyzes the instruction to obtain a second verification code and performs string accurate matching with the original security code. If the string matching is consistent, the device binding is completed and the device is added to a trusted list. If the string matching is wrong for three times in succession, an authentication locking mechanism is triggered to temporarily close a connection port. After the timing locking is released, a differentiated digital code is regenerated, in this period, the voice broadcast is used to assist the user to complete the authentication in a riding state in which the screen is inconvenient to view, and the error number limitation mechanism can effectively prevent brute force cracking. In addition, in the weak signal environment, the embodiment improves the authentication success rate and security without increasing the hardware cost.

[0032] According to the embodiment of the application, the vehicle state information is acquired, and a split-screen priority index is obtained in combination with the vehicle speed information, and specifically includes: Based on a preset communication bus, vehicle state information is collected in real time, at least including power, fault code and alarm lamp state; According to the vehicle speed information, the weight coefficients of each vehicle state are dynamically allocated; Based on the vehicle state information and the corresponding weight coefficients, the split-screen priority index is obtained in a weighted fusion manner; If the power is lower than a preset power threshold, or the fault code matches a set fault code interval, the split-screen priority index is set to a preset first index reference value; If the vehicle speed information exceeds a road speed limit threshold, or the alarm lamp is in a flashing state, the split-screen priority index is raised based on a preset first proportion coefficient.

[0033] It should be noted that the embodiment provides a calculation logic of the allocated priority index. In the embodiment, first, vehicle state data such as the battery remaining power percentage, the motor controller fault code set, the turn signal and double flash light state signals are collected in real time through the vehicle CAN bus. Then, the weight coefficients of each parameter are dynamically allocated according to the current vehicle speed, as an implementation manner, the power abnormality is preferentially monitored in a low speed state, and the fault code monitoring weight is improved in a medium-high speed state. Then, the initial split-screen priority index is obtained by multiplying each parameter value by the weight and then weighted summing. When it is detected that the power is lower than a safety threshold or there is a serious fault code, the index is directly forced to be set to the highest risk level. When the vehicle speed exceeds the road speed limit value or the dangerous alarm lamp is activated, the priority index is raised by a preset proportion coefficient. Finally, a comprehensive index reflecting the real-time driving risk is output. The embodiment ensures the timeliness and accuracy of risk judgment through multi-source data fusion and emergency state coverage mechanism.

[0034] According to the embodiment of the present application, the adjusting the split-screen proportion and the multimedia output format according to the split-screen priority index specifically comprises: when the split-screen priority index is higher than a preset risk index threshold value; adjusting the screen proportion of the instrument area and the multimedia area according to a preset first split-screen proportion; improving the display contrast of the speedometer, the power graph and the warning symbol in the instrument area; converting the video stream of the multimedia area into an audio stream; when the split-screen priority index is lower than the preset risk index threshold value; adjusting the screen proportion of the instrument area and the multimedia area according to a preset second split-screen proportion; simplifying the instrument area image and maintaining the video stream output of the multimedia area.

[0035] It should be noted that the embodiment provides an adaptive split-screen adjustment mechanism. In the embodiment, as an implementation manner, when the split-screen priority index exceeds the risk threshold value, the instrument display area is expanded to 70% of the screen width, a high-contrast color scheme or a magnification scheme is used to highlight the digital speed value, the battery percentage icon and the triangular warning symbol; meanwhile, the multimedia projection area is compressed to 30% of the width, and the video stream rendering pipeline is interrupted, and only the audio output function is reserved. When the split-screen priority index is lower than the threshold value, the instrument area is compressed to 30% of the width and simplified into a micro digital instrument component; meanwhile, 70% of the screen space is released for full-frame rate video projection, and through real-time contrast adjustment and rendering pipeline dynamic switching, safe priority allocation of display resources is realized. The synergistic effect of the high-contrast rendering and the area expansion of the embodiment improves the emergency information recognition efficiency; meanwhile, the processor load is reduced through the video stream switching mechanism; thereby the vehicle-mounted device endurance time is significantly prolonged.

[0036] According to the embodiment of the present application, the converting the video stream of the multimedia area into an audio stream specifically comprises: interrupting the video image rendering mechanism of the video stream of the multimedia area; based on a preset feature interception model, intercepting navigation information and incoming call information in the multimedia area to obtain text data; based on a pre-trained conversion model, converting the text data into voice output.

[0037] It should be noted that the embodiment provides a mechanism for converting a video stream into an audio stream. In the embodiment, during the conversion of the video stream into the audio stream, the video decoding thread is first suspended, thereby releasing the graphics processor resources. Then the feature recognition engine is started to scan the structured information in the screen mirroring content. As an implementation, for a navigation interface, the route turning instructions and distance prompt text are extracted, and for a call interface, the contact name and operation prompt text are extracted. The captured text information is input into a pre-trained speech synthesis model to generate a natural speech stream. At the same time, a two-channel mixed audio output is generated by mixing the vehicle native alarm prompt sound, and a mode switching instruction is sent to the mobile terminal to pause the video encoding. The embodiment accurately retains the key information through the feature extraction model, and replaces the video decoding by combining the speech synthesis engine, thereby reducing the processor occupancy rate and maintaining the continuity of the core function when the visual information is unavailable. In addition, the two-channel mixing technology ensures that the alarm sound is not covered by the entertainment content, thereby ensuring the safety of riding.

[0038] It is worth mentioning that before the second communication connection is established, the method further comprises: obtaining positioning information and real-time weather information; if the positioning information hits a preset focus area, or the real-time weather information is bad weather, maintaining the first communication connection and locking the screen mirroring; displaying a warning icon in the multimedia area.

[0039] It should be noted that the embodiment provides an environmental linkage control logic. In the embodiment, before the WiFi connection is established, the GPS positioning data and the real-time weather information connected to the network are synchronously obtained. If the positioning coordinates fall within the preset school, hospital, or other focus area electronic fence, or the weather information returns a bad weather code such as heavy rain or snow, the screen mirroring function activation process is immediately frozen, and the basic Bluetooth communication connection is maintained. At the same time, a flashing triangular warning icon is superimposed on the instrument interface and labeled with the environmental risk type; as an implementation, the school area displays a no-entertainment symbol, and the rain and fog weather displays a raindrop icon; the restriction is automatically released until the vehicle drives out of the focus area or the weather improves. The environmental linkage mechanism of the embodiment cross- verifies the geographical fence and meteorological data to forcibly guarantee the driving concentration in special scenarios.

[0040] It is worth mentioning that the simplified instrument area image specifically comprises: extracting original graphical elements of the instrument area, including at least a speed arc line table, a power level diagram, and an alarm symbol; generating quantized values based on the graphical elements according to a preset vector graphics compression algorithm; simplifying the speed table to a speed value, converting the power diagram to a percentage value, and converting the alarm symbol to an alarm code according to the quantized values.

[0041] It should be noted that the embodiment provides an instrument simplified display mechanism. In the embodiment, when in the multimedia dominant projection mode, the compressed instrument area is also displayed in a simplified manner. First, the original instrument graphical elements are vectorized and analyzed, as an implementation, the key points of the arc trajectory in the speedometer are extracted and converted into digital speed values, the liquid level height of the power icon is identified and mapped into a percentage value, and various alarm symbols are encoded into standardized abbreviated characters. Subsequently, all decorative graphical elements are deleted, and finally the quantized digital information is displayed in bold font in the compressed area. The embodiment converts the vector graphics into text through feature extraction and information coding technology, and realizes high-density visual presentation of instrument information.

[0042] It is worth mentioning that it also includes: Based on the pre-deployed vehicle-mounted gyroscope, real-time acquisition of riding state information, including inclination angle information and jolt amplitude information; When the inclination angle information or the jolt amplitude information is greater than a preset safe riding state threshold; Trigger an emergency split-screen reorganization mechanism to adjust the split-screen ratio and multimedia output format; According to the vehicle speed information and the riding state information, a riding posture risk coefficient is obtained; Determine whether the riding posture risk coefficient is greater than a risk coefficient threshold; If yes, switch the multimedia audio output and strengthen the vehicle alarm prompt sound; If not, reduce the frame rate of the multimedia area projection.

[0043] It should be noted that the embodiment provides a riding posture coordination mechanism. In the embodiment, the vehicle-mounted six-axis gyroscope is used to collect real-time data of the vehicle body inclination angle and the road surface jolt acceleration. When the inclination angle exceeds the safety threshold or the jolt amplitude is abnormal, an emergency split-screen reorganization is triggered. As an implementation, the instrument area is expanded to 70% of the width to display the core driving parameters; the multimedia projection area is reduced and the video playback is paused. Subsequently, the riding posture risk coefficient is calculated based on the vehicle speed and the posture data, and when the riding posture risk coefficient exceeds the critical value, the entertainment audio is completely cut off and the vehicle alarm prompt sound is amplified; when the riding posture risk coefficient does not exceed the limit, the video frame rate is reduced to the minimum level that guarantees basic smoothness. After the posture returns to normal, the original interface layout is gradually restored. The embodiment uses motion state sensing and hierarchical response strategy to effectively deal with safety risks in complex road conditions, including but not limited to emergency intervention on curved roads and bumpy roads, thereby reducing the risk of skidding. In addition, the risk coefficient hierarchical response mechanism also balances safety and experience, and the gradual recovery after the posture recovers avoids interface mutation interference.

[0044] It is worth mentioning that it also includes: Obtain user pupil positioning data and blink frequency; If the pupil continues to deviate from the instrument area for more than a first time threshold, or the blink frequency is lower than a preset physiological normal threshold, the split-screen priority index is adjusted based on a preset attention attenuation coefficient; The instrument area superimposes a dynamic warning frame, and sends a touch vibration instruction to the mobile terminal.

[0045] It should be noted that the embodiment realizes safety enhancement by integrating the biological feature perception and split-screen decision system. In the embodiment, when the vehicle is in the screen projection running state, the camera deployed at the top end of the instrument cover continuously captures the driver's face image. According to a preset image processing algorithm, the pupil center coordinates and the eyelid opening frequency are extracted; wherein, after coordinate conversion, the distance deviation value of the pupil center coordinates from the center point of the instrument display area is calculated. As an implementation, if the distance deviation value continuously exceeds 50% of the screen width for more than 2 seconds, or the number of blinks per minute is detected to be less than 15 times, it is determined that the driver's attention is distracted. At this time, the split-screen priority index is multiplied and amplified based on a preset attention attenuation coefficient, which is used to trigger the display reorganization logic. At the same time, a red dynamic warning frame is generated on the boundary of the instrument display area; and a specific touch encoding instruction is sent to the bound mobile terminal through the Bluetooth protocol to drive the mobile terminal vibration motor to output a touch warning. The embodiment integrates the biological feature perception mechanism, extends the split-screen strategy to the driver state dimension, and improves the active safety protection capability under complex road conditions.

[0046] Figure 4 A block diagram of an intelligent screen projection control system for a two-wheeled vehicle liquid crystal instrument is shown.

[0047] As Figure 4 shown, the second aspect of the present application discloses an intelligent screen projection control system 4 for a two-wheeled vehicle liquid crystal instrument, comprising a memory 41 and a processor 42, the memory comprising an intelligent screen projection control method program for a two-wheeled vehicle liquid crystal instrument, the intelligent screen projection control method program for a two-wheeled vehicle liquid crystal instrument being executed by the processor to implement the following steps: Obtain signal strength information; Determine whether the signal strength information is greater than a preset signal strength threshold; If yes, generate an authentication graphic code; If no, generate an authentication digital code; After the authentication is passed, a first communication connection is established to obtain vehicle speed information; If the vehicle speed information is lower than a preset vehicle speed threshold, a second communication connection is established; Obtain vehicle state information, and combine the vehicle speed information to obtain a split-screen priority index; Adjust the split-screen ratio and the multimedia output format according to the split-screen priority index; acquiring signal quality information when the multimedia video output is in a process; switching to a first communication connection if the signal quality information is lower than a preset signal quality threshold value; switching to a second communication connection when the signal quality returns to the signal quality threshold value.

[0048] It should be noted that the signal strength information is Bluetooth signal strength; the first communication connection is a Bluetooth connection mode; the second communication connection is a WiFi connection mode; and the signal quality information is WiFi channel transmission quality.

[0049] In this embodiment, when the mobile terminal and the two-wheeled vehicle instrument establish a connection, first, the Bluetooth signal strength information is detected. When the Bluetooth signal strength exceeds a preset threshold value, a dynamically encrypted graphical authentication code is generated and displayed on the instrument screen, for the mobile terminal to scan to complete two-way authentication; wherein the graphical code includes but is not limited to a bar code and a two-dimensional code. When the Bluetooth signal is weak, a voice-assisted broadcast or a digital code displayed on the screen is generated, requiring the user to manually input. After completing two-way authentication, a stable Bluetooth communication connection is established as a first transmission channel. Subsequently, the vehicle speed information from the vehicle control bus is acquired in real time, and only when the vehicle speed is lower than a safe driving threshold value, the WiFi hotspot function of the instrument end is activated, and a second communication channel is established with the mobile terminal for high-definition video stream transmission. In the process of screen projection, the core parameters such as vehicle battery power, motor fault code and light warning state are continuously collected, and the split-screen priority index is dynamically calculated in combination with the real-time vehicle speed. When the split-screen priority index exceeds a risk threshold value, the instrument display area ratio is automatically expanded to a dominant position, and the digital display of key information such as vehicle speed and power is strengthened with high contrast; at the same time, the multimedia projection area is compressed into a secondary area, and the video stream is interrupted to a pure audio output mode. If the WiFi channel transmission quality is monitored to be below a reliable threshold value at this time, the navigation instructions and interactive control signals are immediately switched back to the Bluetooth channel transmission, and the WiFi video stream channel is re-enabled after the network quality is restored, thereby forming a closed-loop control system of communication dual-channel redundancy guarantee and display content dynamic adaptation. The adaptive dynamic optimization of screen projection in this embodiment not only ensures the absolute visibility of core driving information during riding, but also eliminates the influence of network fluctuations on key instructions through dual-channel complementary transmission; while ensuring riding safety, the multimedia experience of users is improved.

[0050] Figure 2 A flowchart for generating a graphical code is shown.

[0051] According to the embodiment of the present application, as Figure 2 shown, the authentication graphical code is generated, specifically including: in response to the signal strength information being greater than a preset signal strength threshold value; obtaining a first certificate code according to the preset unique identification code based on a preset first encryption algorithm; generating a graphic code according to the first certificate code; if a graphic code verification instruction is received within a preset first time; parsing the graphic code verification instruction to obtain a first verification code; obtaining a graphic code authentication result based on a preset signature verification rule according to the first certificate code and the first verification code.

[0052] It should be noted that the embodiment provides a generation mechanism of the graphic code. In the embodiment, for the high-strength Bluetooth signal scene, the instrument end calls a preset encryption algorithm to perform asymmetric encryption operation on the device unique identification code, to generate a first certificate code containing a dynamic key and a time stamp. And based on a preset graphic code conversion rule, the first certificate code is converted into a graphic code and displayed in the center of the liquid crystal screen. Subsequently, a countdown protection mechanism is started. After the mobile terminal scans the two-dimensional code, the encrypted key is parsed, and a digital signature form verification instruction is generated in combination with the device identifier and returned to the instrument end. The instrument end parses the first verification code after receiving the instruction, and completes the two-way authentication by comparing the consistency of the dynamic key and verifying the validity of the digital signature. If the verification is completed within the countdown and the key matches, the device is authorized and the communication port is opened; if it is timed out or the verification fails, the current two-dimensional code is automatically destroyed and a new encrypted graphic code is generated. The embodiment protects against man-in-the-middle attacks and replay attacks through dynamic key binding and time effectiveness control. In addition, the two-factor authentication mechanism of the dynamic key and the device identifier effectively reduces the security vulnerability that the fixed digital code is easily intercepted and replayed; and the scanning operation is significantly more efficient than manual input, which compresses the time consumption of the authentication link and improves the user experience.

[0053] Figure 3 A flowchart of generating a digital code is shown.

[0054] According to the embodiment of the present application, as Figure 3 shown, the generation of the authentication digital code specifically includes: in response to the signal strength information being not greater than a preset signal strength threshold; obtaining the digital code based on a preset second encryption algorithm according to the preset unique identification code; if a digital code verification instruction is received within a preset first time; parsing the digital code verification instruction to obtain a second verification code; obtaining a digital code authentication result based on a preset string matching rule according to the digital code and the second verification code.

[0055] It should be noted that the embodiment provides a generation mechanism of the digital code. In the embodiment, in a weak Bluetooth signal environment, the instrument end adopts a lightweight encryption algorithm to perform hash operation on the device unique identification code to generate a six-digit random number security code. Dual outputs of screen display and voice cyclic broadcast are synchronously performed, and the mobile terminal encapsulates the digital code input by the user as a verification instruction and sends the verification instruction. The instrument end analyzes the instruction to obtain a second verification code and performs string accurate matching with the original security code. If the string matching is consistent, the device binding is completed and the device is added to a trusted list. If the string matching is wrong for three times in succession, an authentication locking mechanism is triggered to temporarily close a connection port. After the timing locking is released, a differentiated digital code is regenerated, in this period, the voice broadcast is used to assist the user to complete the authentication in a riding state in which the screen is inconvenient to view, and the error number limitation mechanism can effectively prevent brute force cracking. In addition, in the weak signal environment, the embodiment improves the authentication success rate and security without increasing the hardware cost.

[0056] According to the embodiment of the application, the vehicle state information is acquired, and a split-screen priority index is obtained in combination with the vehicle speed information, and specifically includes: Based on a preset communication bus, vehicle state information is collected in real time, including at least power, fault codes and warning light states; According to the vehicle speed information, weight coefficients of each vehicle state are dynamically allocated; Based on the vehicle state information and the corresponding weight coefficients, a split-screen priority index is obtained in a weighted fusion manner; If the power is lower than a preset power threshold, or the fault codes match a set fault code interval, the split-screen priority index is set to a preset first index reference value; If the vehicle speed information exceeds a road speed threshold, or the warning light is in a flashing state, the split-screen priority index is raised based on a preset first proportion coefficient.

[0057] It should be noted that the embodiment provides a calculation logic of the allocated priority index. In the embodiment, first, vehicle state data such as the battery remaining power percentage, the motor controller fault code set, the turn signal and double flash light state signals are collected in real time through the vehicle CAN bus. Then, weight coefficients of each parameter are dynamically allocated according to the current vehicle speed, as an implementation manner, the power abnormality is preferentially monitored in a low-speed state, and the fault code monitoring weight is improved in a medium-high speed state. Then, the initial split-screen priority index is obtained by multiplying each parameter value by the weight and then performing weighted summation. When it is detected that the power is lower than a safety threshold or there is a serious fault code, the index is directly forced to be set to the highest risk level. When the vehicle speed exceeds the road speed value or the dangerous warning light is activated, the priority index is raised by a preset proportion coefficient. Finally, a comprehensive index reflecting the real-time driving risk is output. The embodiment ensures the timeliness and accuracy of risk judgment through multi-source data fusion and emergency state coverage mechanism.

[0058] According to the embodiment of the present application, the adjusting the split-screen proportion and the multimedia output format according to the split-screen priority index specifically comprises: when the split-screen priority index is higher than a preset risk index threshold value; adjusting the screen proportion of the instrument area and the multimedia area according to a preset first split-screen proportion; improving the display contrast of the speedometer, the power graph and the warning symbol in the instrument area; converting the video stream of the multimedia area into an audio stream; when the split-screen priority index is lower than the preset risk index threshold value; adjusting the screen proportion of the instrument area and the multimedia area according to a preset second split-screen proportion; simplifying the instrument area image and maintaining the multimedia area video stream output.

[0059] It should be noted that the embodiment provides an adaptive split-screen adjustment mechanism. In the embodiment, as an implementation manner, when the split-screen priority index exceeds the risk threshold value, the instrument display area is expanded to 70% of the screen width, a high-contrast color scheme or a magnification scheme is adopted to highlight the digital speed value, the battery percentage icon and the triangular warning symbol; meanwhile, the multimedia split-screen area is compressed to 30% of the width, and the video stream rendering pipeline is interrupted, and only the audio output function is reserved. When the split-screen priority index is lower than the threshold value, the instrument area is compressed to 30% of the width and simplified into a micro digital instrument component; meanwhile, 70% of the screen space is released for full-frame rate video split-screen, and through real-time contrast adjustment and rendering pipeline dynamic switching, safe priority allocation of display resources is realized. The synergistic effect of the high-contrast rendering and the area expansion of the embodiment improves the emergency information recognition efficiency; meanwhile, the processor load is reduced through the video stream switching mechanism; thereby the vehicle-mounted device endurance time is significantly prolonged.

[0060] According to the embodiment of the present application, the converting the video stream of the multimedia area into an audio stream specifically comprises: interrupting the video image rendering mechanism of the video stream of the multimedia area; based on a preset feature interception model, intercepting navigation information and incoming call information in the multimedia area to obtain text data; based on a pre-trained conversion model, converting the text data into voice output.

[0061] It should be noted that the embodiment provides a mechanism for converting a video stream into an audio stream. In the embodiment, during the conversion of the video stream into the audio stream, the video decoding thread is first suspended, thereby releasing the graphics processor resources. Then the feature recognition engine is started to scan the structured information in the screen mirroring content. As an implementation, for a navigation interface, the route turning instructions and distance prompt text are extracted, and for a call interface, the contact name and operation prompt text are extracted. The captured text information is input into a pre-trained speech synthesis model to generate a natural speech stream. At the same time, a two-channel mixed audio output is generated by mixing the vehicle native alarm prompt sound, and a mode switching instruction is sent to the mobile terminal to pause the video encoding. The embodiment accurately retains the key information through the feature extraction model, and replaces the video decoding by combining the speech synthesis engine, thereby reducing the processor occupancy rate and maintaining the continuity of the core function when the visual information is unavailable. In addition, the two-channel mixing technology ensures that the alarm sound is not covered by the entertainment content, thereby ensuring the safety of riding.

[0062] It is worth mentioning that before the second communication connection is established, the method further comprises: obtaining positioning information and real-time weather information; if the positioning information hits a preset focus area, or the real-time weather information is bad weather, maintaining the first communication connection and locking the screen mirroring; displaying a warning icon in a multimedia area.

[0063] It should be noted that the embodiment provides an environmental linkage control logic. In the embodiment, before the WiFi connection is established, the GPS positioning data and the real-time weather information connected to the network are synchronously obtained. If the positioning coordinates fall within the preset school, hospital, or other focus area electronic fence, or the weather information returns a bad weather code such as heavy rain or snow, the screen mirroring function activation process is immediately frozen, and the basic Bluetooth communication connection is maintained. At the same time, a flashing triangular warning icon is superimposed on the instrument interface and labeled with the environmental risk type; as an implementation, the school area displays a no-entertainment symbol, and the rain and fog weather displays a raindrop icon; the restriction is automatically released until the vehicle drives out of the focus area or the weather improves. The environmental linkage mechanism of the embodiment cross- verifies the geographical fence and meteorological data to forcibly guarantee the driving concentration in special scenarios.

[0064] It is worth mentioning that the simplified instrument area image specifically comprises: extracting original graphical elements of the instrument area, including at least a speed arc line table, a power level diagram, and an alarm symbol; generating quantized values based on the graphical elements according to a preset vector graphics compression algorithm; simplifying the speed table to a speed value, converting the power diagram to a percentage value, and converting the alarm symbol to an alarm code according to the quantized values.

[0065] It should be noted that the embodiment provides an instrument simplified display mechanism. In the embodiment, when in the screen projection mode dominated by multimedia, the compressed instrument area is also displayed in a simplified manner. First, the original instrument graphical elements are vectorized and analyzed. As an implementation, the key points of the arc trajectory in the speedometer are converted into digital speed values, the liquid level height of the power icon is mapped into a percentage value, and various alarm symbols are encoded into standardized abbreviated characters. Subsequently, all decorative graphical elements are deleted, and finally the quantized digital information is displayed in bold font in the compressed area. In the embodiment, the vector graphics are converted into text by feature extraction and information coding technology, and high-density visual presentation of instrument information is realized.

[0066] It is worth mentioning that it also includes: Based on the pre-deployed vehicle-mounted gyroscope, real-time collection of riding state information, including inclination angle information and jolt amplitude information; When the inclination angle information or the jolt amplitude information is greater than a preset safe riding state threshold; Triggering an emergency split-screen reorganization mechanism to adjust the split-screen ratio and the multimedia output format; According to the vehicle speed information and the riding state information, a riding posture risk coefficient is obtained; Judging whether the riding posture risk coefficient is greater than a risk coefficient threshold; If yes, switching the multimedia audio output and strengthening the vehicle alarm prompt sound; If not, reducing the frame rate of the multimedia area screen projection.

[0067] It should be noted that the embodiment provides a riding posture coordination mechanism. In the embodiment, the vehicle-mounted six-axis gyroscope is used to collect real-time data of the vehicle body inclination angle and the road jolt acceleration. When the inclination angle exceeds the safety threshold or the jolt amplitude is abnormal, the emergency split-screen reorganization is triggered immediately. As an implementation, the instrument area is expanded to 70% width to display the core driving parameters; the multimedia screen projection area is reduced and the video playback is paused. Subsequently, the riding posture risk coefficient is calculated in combination with the vehicle speed and the posture data. When the riding posture risk coefficient exceeds the critical value, the entertainment audio is completely cut off and the vehicle alarm prompt sound is amplified; when the riding posture risk coefficient does not exceed the limit, the video frame rate is reduced to the minimum level that guarantees basic smoothness. After the posture returns to normal, the original interface layout is gradually restored. In the embodiment, the motion state sensing and hierarchical response strategy effectively cope with the safety risks in complex road conditions, including but not limited to the emergency intervention of curves and jolted roads, thereby reducing the side slip accident. In addition, the risk coefficient hierarchical response mechanism also balances safety and experience, and the gradual recovery after the posture recovery avoids interface mutation interference.

[0068] It is worth mentioning that it also includes: Obtaining user pupil positioning data and blink frequency; If the pupil continues to deviate from the instrument area for more than a first time threshold, or the blink frequency is lower than a preset physiological normal threshold, the split-screen priority index is adjusted based on a preset attention attenuation coefficient; The instrument area is superimposed with a dynamic warning frame, and a touch vibration instruction is sent to the mobile terminal.

[0069] It should be noted that the present embodiment realizes safety enhancement by integrating biological feature perception and split-screen decision system. In the present embodiment, when the vehicle is in a screen projection running state, the camera deployed at the top end of the instrument cover continuously captures the driver's face image. The pupil center coordinates and eyelid opening frequency are extracted according to a preset image processing algorithm; wherein the distance deviation value of the pupil center coordinates data after coordinate conversion from the center point of the instrument display area is calculated. As an implementation, if the distance deviation value continuously exceeds 50% of the screen width for more than 2 seconds, or the number of blinks per minute is detected to be less than 15 times, it is determined that the driver's attention is distracted. At this time, the split-screen priority index is multiplied and amplified based on a preset attention attenuation coefficient, which is used to trigger the display reorganization logic. At the same time, a red dynamic warning frame is generated on the boundary of the instrument display area; and a specific touch encoding instruction is sent to the bound mobile terminal through the Bluetooth protocol to drive the mobile terminal vibration motor to output a touch warning. The present embodiment extends the split-screen strategy to the driver state dimension by integrating the biological feature perception mechanism, and improves the active safety protection capability under complex road conditions.

[0070] The third aspect of the present application provides a computer readable storage medium, wherein the computer readable storage medium comprises a program of an intelligent screen projection control method for a two-wheeled vehicle liquid crystal instrument, and the program of the intelligent screen projection control method for the two-wheeled vehicle liquid crystal instrument is executed by a processor to realize the steps of the intelligent screen projection control method for the two-wheeled vehicle liquid crystal instrument according to any one of the above.

[0071] In summary, the present application provides an intelligent screen projection control method, system and medium for a two-wheeled vehicle liquid crystal instrument, dynamically selects an authentication mode based on Bluetooth signal strength, generates a graphical code when the signal strength is high, and generates a digital code when the signal strength is low; establishes a first communication connection after authentication, and monitors the vehicle speed in real time; activates a second communication connection when the vehicle speed is lower than a safety threshold; in the screen projection process, the split-screen priority index is calculated by comprehensively considering the vehicle state information and the vehicle speed; when the risk threshold is exceeded, the instrument display area is expanded to a dominant proportion, and the driving information display is strengthened, and the multimedia area is compressed to pure audio output; if it is detected that the WiFi transmission quality deteriorates, the transmission is switched back to the Bluetooth channel, and the high-definition screen projection is restarted after the network is restored; the present application realizes the cooperative control of dynamic authentication, vehicle speed control screen projection, split-screen response and redundant transmission, improves the availability of screen projection under the premise of ensuring driving safety, and significantly reduces the operation risk under high speed and emergency state.

[0072] If the functions are realized 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 solutions of the present application or the parts of the present application that essentially contribute to the prior art or the parts of the technical solutions can be embodied in the form of software products. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in the various embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various media that can store program codes.

[0073] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A smart screen projection control method for a two-wheeled vehicle's LCD instrument panel, characterized in that, The method includes: Obtain signal strength information; Determine whether the signal strength information is greater than a preset signal strength threshold; If so, then generate an authentication graphic code; If not, generate an authentication digital code; After successful binding authentication, the first communication connection is established to obtain vehicle speed information; If the vehicle speed information is lower than a preset vehicle speed threshold, a second communication connection is established; Obtain vehicle status information and combine it with the vehicle speed information to obtain the split-screen priority index; Adjust the split-screen ratio and multimedia output format according to the split-screen priority index; When outputting multimedia video, acquire signal quality information; If the signal quality information is lower than a preset signal quality threshold, then switch to the first communication connection; Once the signal quality recovers to the signal quality threshold, the system switches to the second communication connection.

2. The intelligent screen projection control method for a two-wheeled vehicle LCD instrument panel according to claim 1, characterized in that, The generation of the authentication graphic code specifically includes: In response to the signal strength information being greater than a preset signal strength threshold; Based on the preset first encryption algorithm, the first certificate code is obtained according to the preset unique identification code; Generate a graphic code based on the first certificate code; If a graphic code verification command is received within the preset first time period; Parse the graphic code verification instruction to obtain the first verification code; Based on the preset signature verification rules, the image code authentication result is obtained according to the first certificate code and the first verification code.

3. The intelligent screen projection control method for a two-wheeled vehicle LCD instrument panel according to claim 1, characterized in that, The generation of the authentication digital code specifically includes: In response to the signal strength information not being greater than a preset signal strength threshold; Based on a preset second encryption algorithm, the digital code is obtained according to a preset unique identification code; If a digital code verification command is received within the preset first time period; Based on preset string matching rules, the numeric code verification instruction is parsed to obtain the second verification code; The digital code authentication result is obtained based on the digital code and the second verification code.

4. The intelligent screen projection control method for a two-wheeled vehicle LCD instrument panel according to claim 1, characterized in that, The process of obtaining vehicle status information and combining it with vehicle speed information to derive a screen priority index specifically includes: Based on a preset communication bus, vehicle status information is collected in real time, including at least battery level, fault codes, and warning light status. Based on vehicle speed information, the weight coefficients of each vehicle status are dynamically allocated; Based on vehicle status information and its corresponding weight coefficients, a screen priority index is obtained by weighted fusion. If the battery level is lower than the preset battery threshold, or if the fault code matches the set fault code range, the split-screen priority index is set to the preset first index reference value. If the vehicle speed exceeds the road speed limit threshold, or if the warning light is flashing, the screen priority index is increased based on a preset first proportional coefficient.

5. The intelligent screen projection control method for a two-wheeled vehicle LCD instrument panel according to claim 1, characterized in that, The step of adjusting the split-screen ratio and multimedia output format according to the split-screen priority index specifically includes: When the screen priority index is higher than the preset risk index threshold; Adjust the screen ratio of the instrument panel area and the multimedia area according to the preset first split screen ratio; Improve the display contrast of the speedometer, battery level chart, and warning symbols in the instrument panel area; Convert the video stream in the multimedia area into an audio stream; When the screen priority index is lower than the preset risk index threshold; Adjust the screen ratio of the instrument panel area and the multimedia area according to the preset second split screen ratio; Simplify the instrument panel images while maintaining the video stream output in the multimedia area.

6. The intelligent screen projection control method for a two-wheeled vehicle LCD instrument panel according to claim 5, characterized in that, The process of converting the video stream of the multimedia area into an audio stream specifically includes: The video image rendering mechanism that interrupts the video stream in the multimedia zone; Based on a preset feature extraction model, navigation information and incoming call information in the multimedia area are extracted to obtain text data; Based on a pre-trained conversion model, text data is converted into speech output.

7. An intelligent projection control system for a two-wheeled vehicle's LCD instrument panel, characterized in that, The system includes a memory and a processor. The memory includes a program for an intelligent screen projection control method for a two-wheeled vehicle's LCD instrument panel. When the processor executes the intelligent screen projection control method program for the two-wheeled vehicle's LCD instrument panel, it performs the following steps: Obtain signal strength information; Determine whether the signal strength information is greater than a preset signal strength threshold; If so, then generate an authentication graphic code; If not, generate an authentication digital code; After successful binding authentication, the first communication connection is established to obtain vehicle speed information; If the vehicle speed information is lower than a preset vehicle speed threshold, a second communication connection is established; Obtain vehicle status information and combine it with the vehicle speed information to obtain the split-screen priority index; Adjust the split-screen ratio and multimedia output format according to the split-screen priority index; When outputting multimedia video, acquire signal quality information; If the signal quality information is lower than a preset signal quality threshold, then switch to the first communication connection; Once the signal quality recovers to the signal quality threshold, the system switches to the second communication connection.

8. The intelligent projection control system for a two-wheeled vehicle LCD instrument panel according to claim 7, characterized in that, The generation of the authentication graphic code specifically includes: In response to the signal strength information being greater than a preset signal strength threshold; Based on the preset first encryption algorithm, the first certificate code is obtained according to the preset unique identification code; Generate a graphic code based on the first certificate code; If a graphic code verification command is received within the preset first time period; Parse the graphic code verification instruction to obtain the first verification code; Based on the preset signature verification rules, the image code authentication result is obtained according to the first certificate code and the first verification code.

9. A smart projection control system for a two-wheeled vehicle LCD instrument panel according to claim 7, characterized in that, The generation of the authentication digital code specifically includes: In response to the signal strength information not being greater than a preset signal strength threshold; Based on a preset second encryption algorithm, the digital code is obtained according to a preset unique identification code; If a digital code verification command is received within the preset first time period; Based on preset string matching rules, the numeric code verification instruction is parsed to obtain a second verification code; The digital code authentication result is obtained based on the digital code and the second verification code.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, The computer-readable storage medium includes a program for an intelligent screen projection control method for a two-wheeled vehicle LCD instrument panel. When the program is executed by a processor, it implements the steps of the intelligent screen projection control method for a two-wheeled vehicle LCD instrument panel as described in any one of claims 1 to 6.

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