Vehicle electrical management method, management system and readable medium

Abstract

The application relates to a vehicle electrical management method, an electrical management system and a readable medium. The vehicle electrical management method comprises sending electrical parameters of a target vehicle and vehicle working condition parameters to a server, the electrical parameters of the target vehicle comprising loop electrical states, electrical states of electrical devices and initial protection threshold values; and in response to the server determining, according to the electrical parameters of the target vehicle, whether the target vehicle needs to have updated protection threshold values to execute an update protection threshold value request, or determining whether the target vehicle needs to update an electrical system.

Description

Technical Field

[0001] This application relates to vehicle electrical management methods, management systems, and readable media. Background Technology

[0002] For vehicle electrical systems, the traditional automotive power supply network wiring harness design (including wire material / diameter selection, wiring harness circuit topology design, connector and grounding point selection, etc.) and fuse type selection (regarding parameters such as current, voltage, and temperature) are simply calculated (cumulatively) by electronic engineers based on the database (datasheet) of each electronic component and statistical results from a small sample. However, the inventors discovered that for modern vehicles, the electrical state (withstand voltage, current, shock resistance, durability, etc.) of vehicle electrical components and wiring harness circuits throughout their entire lifecycle—from raw material production and electrical component assembly to the connection of the vehicle's wiring harness to its use—is dynamically changing. For example, regarding wiring harness circuit angles, the connectivity and impedance values ​​of the metal pin connections between different connectors will inevitably shift to varying degrees under the influence of years of vibration, temperature rise, and even oxidation. Furthermore, for electrical components, the infotainment modules (central control screen) or high-performance autonomous driving computing modules supported by large-scale in-vehicle operating systems, which have become increasingly common in recent years, are pre-installed with OTA (Over-The-Air) systems (remote software upgrades). This means that the application software pre-installed at the factory will require multiple software upgrades throughout the vehicle's lifespan. The operating power of related modules will also vary depending on the operating status of different software modules.

[0003] This has led to the current static, one-time design of fuses being difficult to adapt to actual dynamic changes in conditions. Consequently, there are two tendencies in wiring harness design and fuse selection: one is a conservative approach, introducing excessively large safety margins in the design parameters, making the system more prone to triggering safety protection than actually needed—for example, selecting a larger wire diameter reduces the likelihood of wiring harness overload, while selecting a smaller fuse makes it easier to trigger circuit protection—leading to waste of materials and increased maintenance costs (frequent fuse replacements); the other tendency may be an underestimation of risk, leading to the risk of wiring burnout (vehicle burnout) at some point in the vehicle's lifespan, commonly known as "wiring aging leading to wiring burnout."

[0004] In current solutions, compared to traditional fuses, vehicle electrical systems also employ eFuse (intelligent power supply intelligent fuse) solutions. This involves using high-power switching devices (typically MOSFETs) supplemented by diagnostic circuits to read / monitor real-time changes in the current, voltage, and temperature of the power devices. A control chip is connected to the control terminal of the switching device; when the voltage / current exceeds a certain threshold, the circuit is disconnected, providing circuit protection similar to that of a traditional fuse.

[0005] However, whether it is a traditional fuse or an eFuse, the threshold they introduce is a static parameter, which is difficult to cope with the dynamic state changes that actually occur.

[0006] Therefore, there is a need in the art for a vehicle electrical management method, a management system, and a readable medium to meet the needs of adapting to the dynamic changes in vehicle electrical systems during use. Summary of the Invention

[0007] The technical problem to be solved by this application is to meet the needs of adapting to the dynamic changes of vehicle electrical systems during use.

[0008] The vehicle electrical management method according to the first aspect of this application includes: sending electrical parameters and vehicle operating parameters of a target vehicle to a server, wherein the electrical parameters of the target vehicle include circuit electrical status, electrical status of electrical components, and an initial protection threshold; and in response to the server determining, based on the electrical parameters of the target vehicle, whether the target vehicle needs to have an updated protection threshold to execute an update protection threshold request; or determining whether the target vehicle needs to update its electrical system.

[0009] In some embodiments, the server has a target vehicle database containing electrical parameter data of multiple vehicles identical to the target vehicle, and the server establishes a digital twin model of the target vehicle based on the target vehicle database.

[0010] In some embodiments, the server has a reference vehicle database that has the same circuit structure and electrical appliances as the target vehicle; the server determines the ideal protection threshold corresponding to the current electrical parameters of the target vehicle based on the reference vehicle database.

[0011] In some embodiments, the server substitutes the ideal protection threshold into the target vehicle digital twin model to determine whether the target vehicle needs an updated protection threshold to execute an update protection threshold request or whether the target vehicle needs an electrical system update.

[0012] In some embodiments, the circuit electrical state, the electrical state of the electrical components, and the vehicle operating parameters include current, voltage, temperature, and usage time.

[0013] In some embodiments, if it is determined that the target vehicle needs an updated protection threshold, an update protection threshold request is received from the server, and the protection threshold of the target vehicle is updated.

[0014] According to a second aspect of this application, a computer-readable medium has a computer program that, when executed by a processor, implements the steps of the vehicle electrical management method as described in the first aspect.

[0015] A vehicle electrical management system according to a third aspect of this application includes: a processor configured to: in response to a target vehicle request, utilize electrical parameters received from the vehicle and vehicle operating parameters to calculate: an updated protection threshold corresponding to the target vehicle request and determine whether the target vehicle needs to have the updated protection threshold; or confirm whether the target vehicle needs to update its electrical system corresponding to the target vehicle request; wherein the electrical parameters of the target vehicle include circuit electrical state, appliance electrical state, and protection threshold.

[0016] In some embodiments, the vehicle electrical management system further includes: a memory for storing a target vehicle database, the target vehicle database having electrical parameter data of multiple vehicles identical to the target vehicle; the processor is further configured to: establish a digital twin model of the target vehicle based on the target vehicle database.

[0017] In some embodiments, the memory also stores a reference vehicle database having the same circuit structure and electrical appliances as the target vehicle; the processor is also configured to: build a digital twin model of the target vehicle based on the target vehicle database. Attached Figure Description

[0018] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, the specific embodiments of this application will be described in detail below with reference to the accompanying drawings, wherein:

[0019] Figure 1 This is a schematic diagram of a vehicle electrical management system according to an embodiment of this application;

[0020] Figure 2 This is a schematic flowchart of a vehicle electrical management method according to an embodiment of this application;

[0021] Figure 3 This is a flowchart illustrating another embodiment of the vehicle electrical management method of this application;

[0022] Figure 4 This is a schematic flowchart of another embodiment of the vehicle electrical management method of this application;

[0023] Figure 5 This is a schematic diagram of the user interface corresponding to a vehicle electrical management system according to an embodiment of this application.

[0024] Figure label:

[0025] 100 - Vehicle electrical management system, 101 - Processor, 102 - Memory, 1021 - Target vehicle database, 1022 - Reference vehicle database, 1001 - Digital twin model of the target vehicle;

[0026] 10-Target vehicle; 11-Intelligent power supply and intelligent fuse; 12-Micro control unit; 13-Vehicle communication network and connected devices.

[0027] 200 - User Interface. Detailed Implementation

[0028] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the aspects described below with reference to the accompanying drawings and specific embodiments are merely exemplary and should not be construed as limiting the scope of protection of the present invention in any way.

[0029] The following description is provided to enable those skilled in the art to practice and use the invention and to incorporate it into specific application contexts. Various variations and uses in different applications will be readily apparent to those skilled in the art, and the general principles defined herein are applicable to a wide range of embodiments. Therefore, the invention is not limited to the embodiments given herein, but should be granted the broadest scope consistent with the principles and novel features disclosed herein. In the following detailed description, numerous specific details are set forth to provide a more thorough understanding of the invention. However, it will be apparent to those skilled in the art that practice of the invention is not necessarily limited to these specific details. In other words, well-known structures and devices are shown in block diagram form without detailed representation to avoid obscuring the invention.

[0030] Readers should note all documents and literature submitted concurrently with this specification and open to public access, the contents of which are incorporated herein by reference. Unless otherwise explicitly stated, all features disclosed in this specification (including any appended claims, abstracts, and drawings) may be replaced by alternative features for achieving the same, equivalent, or similar purpose. Therefore, unless explicitly stated otherwise, each disclosed feature is merely one example of a set of equivalent or similar features. It is understood that flowcharts are used in this application to illustrate the operations performed by a system according to embodiments of this application. It should be understood that, depending on the actual situation, preceding or following operations may not necessarily be performed precisely in sequence. Other operations may be added to these processes, or one or more steps may be removed from these processes. The reference to "embodiment" herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0031] refer to Figure 1As shown, the vehicle electrical management system 100 is used to manage the target vehicle 10. The target vehicle 10 generally includes an intelligent power supply smart fuse 11 (eFuse), a microcontroller unit 12 (Micro-Control Unit, MCU), and an in-vehicle communication network and connectivity device 13, which may be, for example, a T-BOX (Telematics BOX). Figure 1 As shown, each intelligent power supply fuse 11 in the power supply circuit of the target vehicle can read the electrical status of the circuit and the electrical status of the electrical components in the circuit, such as current, voltage, and temperature, and send them to the microcontroller unit 12. The microcontroller unit 12 then uploads the electrical status of the circuit and the electrical status of the electrical components in the circuit to the vehicle electrical management system 100 in the cloud through the vehicle communication network and connected devices 13, and requests the vehicle electrical management system 100 to determine whether the target vehicle 10 needs updated protection thresholds or needs to update its electrical system. It also receives data from the vehicle electrical management system 100 in the cloud and transmits it to the microcontroller unit 12. The data interaction between the vehicle communication network and connected devices 13 and the vehicle electrical management system 100 in the cloud can be real-time or periodic. In addition, the microcontroller unit 12 can also store or receive the protection thresholds corresponding to the electrical circuits and electrical components of the target vehicle, and the vehicle communication network and connected devices 13 can also receive the vehicle's operating condition parameters. The vehicle operating condition parameters can specifically be parameters such as ambient temperature, weather, and speed, and the acquisition methods are also common in the field and will not be described in detail here. The circuit electrical status, the electrical status of electrical components, and vehicle operating parameters include current, voltage, temperature, and usage time. The protection threshold here means that when the voltage / current corresponding to the electrical circuit and electrical components exceeds this threshold, the circuit is disconnected, providing circuit protection similar to a traditional fuse. The protection threshold is generally set by the microcontroller unit 12 for each eFuse. "Updating the electrical system" here refers to updating the wiring harness or electrical components in the circuit, generally referring to hardware updates.

[0032] The term "smart power supply smart fuse" (eFuse) refers to a solution that contrasts with traditional fuses and relays. An eFuse is essentially an integrated circuit that integrates MOSFETs, drivers, detection circuits, logic circuits, and diagnostic modules onto a single chip, providing a semiconductor solution for power supply circuit protection. When an eFuse is connected in series in the power supply circuit, it can detect overcurrent and overvoltage conditions and react quickly. In the event of an overload, the device limits the output current to a user-defined safe value. If the abnormal overload persists, the device will enter an open state, disconnecting the load from the power supply. Overload current limiting can be programmed, for example, using an external resistor.

[0033] The meaning of Microcontroller Unit 12 (MCU) is similar to its usual meaning in the art, and its meaning here is similar to its usual meaning in the art. For example, a common form of MCU is a single-chip microcomputer, which appropriately reduces the frequency and specifications of the Central Processing Unit (CPU) and integrates memory, timer, and peripheral interfaces such as USB, A / D conversion, UART, PLC, DMA, etc. on a single chip to form a chip-level computer, which can perform different combinations of control for different applications.

[0034] The vehicle-mounted communication network and connected device 13 are mainly used to communicate with remote servers and / or mobile terminals (such as mobile apps).

[0035] Continue to refer to Figure 1 As shown, the vehicle electrical management system 100 may specifically be a cloud-based server, which may include a processor 101 configured to respond to a request from the target vehicle 10 by utilizing electrical parameters and vehicle operating parameters received from the target vehicle 10. The received parameters may be used to calculate: an updated protection threshold corresponding to the request from the target vehicle 10 and to determine whether the target vehicle 10 needs an updated protection threshold; or to confirm whether the target vehicle 10 needs an electrical system update corresponding to the request from the target vehicle.

[0036] Continue to refer to Figure 1As shown, in some embodiments, the vehicle electrical management system 100 may further include a memory 102, which can store a target vehicle database 1021 containing electrical parameter data of multiple vehicles identical to the target vehicle 10. The corresponding processor 101 is also configured to build a digital twin model 1001 of the target vehicle 10 based on the target vehicle database 1021. Specifically, the electrical parameter data of the multiple vehicles identical to the target vehicle 10 refers to the historical full-lifecycle data of the electrical system of the same model as the target vehicle 10. Since they are the same model, the pre-installed application layer software at the factory and the operating power of related modules due to software upgrades will be basically consistent with the changes in the operating status of different software modules. The full-lifecycle data includes, for example, the ambient temperature, weather conditions, current, voltage, and temperature of electrical circuits and electrical components on different dates during the lifecycle, as well as the normal or abnormal states of electrical circuits and electrical components, etc. The processor can build a digital twin model of the target vehicle 10 based on the target vehicle database 1021. The meaning of the digital twin model here is similar to that in the art, namely, the mapping of the target vehicle 10 in virtual space. The method for constructing a digital twin model of the target vehicle 10 based on the target vehicle database 1021 can also employ conventional modeling methods in this field, which will not be elaborated here. Generally speaking, the electrical parameters of the target vehicle, including the circuit electrical state and the electrical state of the electrical components, directly correspond to the power characteristics of the electrical components in the relevant circuits. Therefore, the digital twin model 1001 of the target vehicle 10 is essentially an equivalent of the power consumption model of the electrical components on the target vehicle 10.

[0037] Continue to refer to Figure 1As shown, in some embodiments, the memory can reference vehicle database 1022. Reference vehicle database 1022 has the same circuit structure and electrical components as target vehicle 10, but the vehicle models are different. Although the reference vehicle has the same circuit structure and electrical components as target vehicle 10 in hardware, the corresponding software is different. For example, the initial protection threshold set for eFuse is different, and the operating power of the application layer software pre-installed at the factory and related modules due to software upgrades may also differ depending on the operating state of different software modules. Through reference vehicle database 1022, a typical failure model for the same circuit structure and electrical components as target vehicle 10 can be established. Relevant mature AI algorithms (neural networks, machine learning, etc.) can be used to analyze the parameters of the digital twin model 1001 of the target vehicle, ultimately determining whether the target vehicle needs updated protection thresholds or an updated electrical system. It is understood that the data in both target vehicle database 1021 and reference vehicle database 1022 is anonymized and accessible only to authorized entities; unauthorized entities do not have reading permissions.

[0038] It should be noted that although the processor 101 and memory 102 are represented by a single box in the figure, the processor 101 and memory 102 described above are not limited to a specific memory or processor. In some cases, the processor 101 and memory 102 can have a distributed structure. For example, they can include memory and processor located at the vehicle end and the backend cloud respectively, with the vehicle end and the backend cloud jointly implementing the functions of the processor 101 and memory 102 described above. Furthermore, in embodiments employing a distributed structure, the specific execution terminal for each step can be adjusted according to actual conditions, and the specific implementation scheme of each step on a specific terminal should not unduly limit the scope of protection of this invention.

[0039] refer to Figures 2 to 4 As shown above, this application also provides a vehicle electrical management method, including:

[0040] Send the target vehicle's electrical parameters and vehicle operating parameters to the server. The target vehicle's electrical parameters include the circuit electrical status, the electrical status of electrical components, and protection thresholds.

[0041] Specifically, the server can be, for example, the vehicle electrical management system 100 described above. After receiving the electrical parameters collected by the smart power supply smart fuse 11, the microcontroller unit 12 of the target vehicle 10 sends the target vehicle's electrical parameters and vehicle operating condition parameters to the vehicle electrical management system 100 through the vehicle communication network and network-connected device 13. The target vehicle's electrical parameters include the circuit electrical status, the electrical status of electrical components, and protection thresholds.

[0042] The server determines, based on the electrical parameters of the target vehicle, whether the target vehicle needs an updated protection threshold to execute an update protection threshold request, or whether the target vehicle needs an updated electrical system.

[0043] Specifically, after the vehicle electrical management system 100 responds to the request from the target vehicle 10, the vehicle electrical management system 100 determines, based on the electrical parameters of the target vehicle 10, whether the target vehicle 10 needs an updated protection threshold to execute the update protection threshold request; or determines whether the target vehicle 10 needs to update its electrical system. If it is determined that the target vehicle needs an updated protection threshold, the target vehicle 10 receives the update protection threshold request from the vehicle electrical management system 100, and the microcontroller unit 12 updates the protection threshold of the target vehicle 10 from the initial protection threshold to the updated protection threshold output by the vehicle electrical management system 100.

[0044] As recorded above, such as Figure 3 As shown, in some embodiments, the specific steps for determining whether a protection threshold needs to be updated or an electrical system needs to be updated may involve a server having a target vehicle database 1021 containing electrical parameter data for multiple vehicles identical to the target vehicle 10. The server then establishes a digital twin model 1001 of the target vehicle 10 based on the target vehicle database 1021. The determination of whether an updated protection threshold or an updated electrical system is needed is made through relevant calculations using the digital twin model. Preferably, reference... Figure 4 As shown, the server can also have a reference vehicle database 1022, which has the same circuit structure and electrical appliances as the target vehicle 10. The server determines the ideal protection threshold corresponding to the current electrical parameters of the target vehicle 10 based on the reference vehicle database 1022. After obtaining the ideal protection threshold, it can be substituted into the target vehicle's digital twin model to determine whether the target vehicle needs an updated protection threshold to execute an update protection threshold request. If the ideal protection threshold is basically consistent with the current protection threshold, then an updated protection threshold is not needed. However, if the ideal protection threshold is different from the current protection threshold, it is determined that an updated protection threshold (i.e., the ideal protection threshold) is needed. The updated protection threshold can be output to the microcontroller unit 12 of the target vehicle 10 through the server for updating, or it can be determined that the electrical system needs to be updated, and the user of the target vehicle 10 can be reminded to update the electrical system. For example... Figure 5As shown, relevant reminder sections can be set in the user interface 200, such as outputting degradation predictions, problems, or diagnoses related to electrical system circuits and / or electrical components, or prompting maintenance reminders, or viewing the historical records of corresponding protection threshold updates, etc. The user interface 200 can be set on the target vehicle 10, or on the corresponding mobile terminal of the target vehicle 10, such as a mobile phone or tablet APP program, without limitation. For the manufacturer or dealer of the target vehicle 10, the server can also output reminders for early recalls, usage frequency of relevant electrical functions, usage condition statistics—guiding subsequent model configuration optimization and pricing, and locating over-protection and under-protection circuits—guiding subsequent model wiring harness circuit, material, and wire diameter optimization, etc.

[0045] To more clearly describe the content of this application, the technical solution of one or more embodiments of this application is illustrated below with a specific example.

[0046] For example, target vehicle 10 has an electrical component called a brand A windshield wiper. The factory-set standard configuration eFuse circuit protection threshold is 20A*100ms. That is, when the algorithm for calculating the protection threshold using the detection parameter is current*time (I*t) > 20A*100ms, circuit protection is completed. In other words, the initial protection threshold is 20A*100ms.

[0047] In the target vehicle database 1021, data shows that 10% of the vehicles, after 6 years of use, experience circuit overload when encountering heavy rain (with wipers operating at full power) and the engine start-stop function activating (with instantaneous high voltage). Specifically, the current of 18A is normal, but the duration of 120ms is too long: I*t=18A*120ms>20A*100ms, which causes the protection threshold to be exceeded, triggering circuit protection and resulting in wiper failure time exceeding 20 minutes, posing a safety hazard.

[0048] In the reference vehicle database 1022, data tags were extracted from the operating status of the A-brand wiper motor and the same wiring harness circuit design on other vehicle models using machine learning and other artificial intelligence algorithms. It was found that the A-brand wipers and related wiring harnesses did not actually fail under higher power and longer operating times, indicating that the load capacity of the A-brand wipers and related wiring harnesses far exceeds 20A*100ms. To prevent the target vehicle 10 from experiencing wiper failure times exceeding 20 minutes in heavy rain after 6 years of use, the protection threshold for the A-brand front wipers needs to be updated. An ideal protection threshold can be calculated and predicted using the digital twin model 1001, replacing the initial protection threshold with the aforementioned ideal protection threshold (i.e., the updated protection threshold). The updated protection threshold is the square of the current * time (I... 2 *t)>202 The circuit protection is completed within 100ms (A*100ms). This means that if a current of 18A occurs within 120ms, the circuit protection will be completed. 2 x0.12<20 2 x0.1 will not trigger the circuit protection, thus avoiding the safety hazard of wiper failure.

[0049] It can be understood that, after the aforementioned steps, if, in the reference vehicle database 1022, data tags of the working status of the A brand wiper motor and the same wiring harness circuit design on other vehicle models are extracted using artificial intelligence algorithms such as machine learning, and it is found that when the initial protection threshold current * time (I * t) > 20A * 100ms, the circuit protection setting is reasonable for the load capacity of the A brand wiper and related wiring harness, then the corresponding strategy could be to replace the A brand front wiper (i.e., update the electrical system) in a timely manner after 6 years of use to avoid the safety hazard of wiper failure.

[0050] Another aspect of the present invention provides a computer-readable medium having a computer program that, when executed by a processor, implements the steps of the vehicle electrical management method as described in any one or more embodiments above, as detailed in the above description, which will not be repeated here.

[0051] In summary, the beneficial effects of adopting the above-mentioned vehicle electrical management methods, management systems, and readable media meet the needs of adapting to the dynamic changes in vehicle electrical systems during use.

[0052] The various illustrative logic modules and circuits described in conjunction with the embodiments disclosed herein may be implemented or performed using a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. The general-purpose processor may be a microprocessor, but in alternatives, it may be any conventional processor, controller, microcontroller, or state machine. The processor may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors cooperating with a DSP core, or any other such configuration.

[0053] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of both. The software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to a processor such that the processor can read and write information to / from the storage medium. In an alternative, the storage medium may be integrated into the processor. The processor and storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In an alternative, the processor and storage medium may reside as discrete components in the user terminal.

[0054] In one or more exemplary embodiments, the described functionality may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software as a computer program product, the functionality may be stored or transmitted as one or more instructions or code on or via a computer-readable medium. A computer-readable medium includes both computer storage media and communication media, encompassing any medium that facilitates the transfer of a computer program from one location to another. A storage medium may be any available medium accessible to a computer. By way of example and not limitation, such a computer-readable medium may include RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and is accessible to a computer. Any connection is also legitimately referred to as a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of a medium. As used in this article, disk and disc include compact discs (CDs), laser discs, optical discs, digital multi-purpose discs (DVDs), floppy disks, and Blu-ray discs. Disks typically reproduce data magnetically, while discs reproduce data optically using lasers. Combinations of these should also be included within the scope of computer-readable media.

[0055] The preceding description is provided to enable any person skilled in the art to practice the various aspects described herein. However, it should be understood that the scope of protection of this application should be determined by the appended claims and should not be limited to the specific structures and components of the embodiments described above. Various changes and modifications can be made to the embodiments by those skilled in the art within the spirit and scope of the invention, and these changes and modifications also fall within the scope of protection of this application.

Claims

1. A vehicle electrical management method, characterized in that, include: Send the target vehicle's electrical parameters and vehicle operating parameters to the server. The target vehicle's electrical parameters include the circuit electrical status, the electrical status of electrical components, and the initial protection threshold. The server determines, based on the electrical parameters of the target vehicle, whether the target vehicle needs an updated protection threshold to execute an update protection threshold request; or whether the target vehicle needs an update of its electrical system. The circuit electrical status, electrical status of electrical components, and vehicle operating parameters include current, voltage, temperature, and usage time. The protection threshold corresponds to the setting of the intelligent power supply intelligent fuse; The server has a target vehicle database, which contains electrical parameter data of multiple vehicles that are identical to the target vehicle. The server establishes a digital twin model of the target vehicle based on the target vehicle database. The server has a reference vehicle database, which has the same circuit structure and electrical appliances as the target vehicle; the server determines the ideal protection threshold corresponding to the current electrical parameters of the target vehicle based on the reference vehicle database. The server inputs the ideal protection threshold into the target vehicle's digital twin model to determine whether the target vehicle needs an updated protection threshold to execute an update protection threshold request or whether the target vehicle needs an electrical system update.

2. The vehicle electrical management method as described in claim 1, characterized in that, If it is determined that the target vehicle needs an updated protection threshold, a request to update the protection threshold is received from the server, and the protection threshold of the target vehicle is updated.

3. A computer-readable medium, characterized in that, The device has a computer program, characterized in that, when the computer program is executed by a processor, it implements the steps of the vehicle electrical management method as described in any one of claims 1-2.

4. A vehicle electrical management system, characterized in that, include: The processor is configured as follows: In response to a request from a target vehicle, electrical parameters and vehicle operating parameters received from the vehicle are used to calculate: an updated protection threshold corresponding to the target vehicle request and determine whether the target vehicle needs an updated protection threshold; or to confirm whether the target vehicle needs an updated electrical system corresponding to the target vehicle request. The electrical parameters of the target vehicle include circuit electrical status, electrical appliance electrical status, and protection thresholds. The circuit electrical status, electrical status of electrical components, and vehicle operating parameters include current, voltage, temperature, and usage time. The protection threshold corresponds to the setting of the intelligent power supply intelligent fuse; The memory stores a target vehicle database, which contains electrical parameter data of multiple vehicles identical to the target vehicle. The processor is also configured to: establish a digital twin model of the target vehicle based on the target vehicle database; The memory also stores a reference vehicle database, which has the same circuit structure and electrical appliances as the target vehicle. The processor is also configured to: determine an ideal protection threshold corresponding to the current electrical parameters of the target vehicle based on the reference vehicle database; The processor is also configured to: substitute the ideal protection threshold into the target vehicle digital twin model, determine whether the target vehicle needs an updated protection threshold to execute an update protection threshold request, or determine whether the target vehicle needs an updated electrical system.

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