Function test method and system based on vehicle-mounted power bank

Abstract

The invention relates to the technical field of electronic testing, and provides a function testing method and system based on a vehicle-mounted power bank, and the method comprises the steps: firstly obtaining a function testing demand, analyzing performance parameters to query and evaluate component parts, obtaining a part evaluation result, querying a working environment after key indexes are recognized, collecting influence factors, and integrating data, after the working mode of the circuit is analyzed to determine the current output characteristic and calculate the charging efficiency value, the function optimization direction is determined according to the charging efficiency value, the battery capacity characteristic is analyzed to calculate the cruising power value, and finally, according to the cruising power value, charging parameters are configured, important test points and precision requirements are extracted, real-time data are monitored, and a function test report is generated. According to the invention, the charging use quality of the vehicle-mounted power bank in a vehicle-mounted environment can be improved.

Description

Technical Field

[0001] The present invention relates to the field of electronic testing technology, and in particular to a function testing method and system based on a vehicle-mounted power bank. Background Art

[0002] In the context of modern transportation and the widespread use of mobile electronic devices, car power banks have gradually become an important tool for many car owners and passengers to keep their electronic devices fully charged. With the continuous increase in the number of cars and the deepening dependence of people on mobile devices, the market demand for car power banks is growing.

[0003] At present, car power banks face many problems in functional testing during the production and sales process. Traditional testing methods are often limited to simple charging interface connection tests and preliminary power output detection. On the one hand, this basic testing method is difficult to comprehensively evaluate the stability of car power banks in complex automotive environments. For example, the impact of factors such as bumps during vehicle driving, different voltage environments, and temperature changes on its charging performance cannot be accurately considered. On the other hand, the compatibility test between car power banks and various types and brands of mobile devices is not perfect, which may lead to charging abnormalities and inability to recognize devices in actual use. Therefore, a functional testing method based on car power banks is needed to improve the charging quality of car power banks in a vehicle environment. Summary of the invention

[0004] The present invention provides a function testing method and system based on a vehicle-mounted power bank, the main purpose of which is to improve the charging quality of the vehicle-mounted power bank in a vehicle environment.

[0005] To achieve the above purpose, the present invention provides a function testing method based on a vehicle-mounted power bank, comprising: Obtaining functional test requirements of the vehicle-mounted power bank, analyzing performance parameters corresponding to the vehicle-mounted power bank based on the functional test requirements, querying components corresponding to the vehicle-mounted power bank based on the performance parameters, performing performance evaluation on the components, and obtaining component evaluation results; Identify the key performance indicators in the component evaluation results, query the working environment conditions of the vehicle-mounted power bank based on the key performance indicators, collect environmental influencing factors in the working environment conditions, and integrate the environmental influencing factors to obtain integrated data; Based on the integrated data, the circuit operation mode corresponding to the vehicle-mounted power bank is analyzed; based on the circuit operation mode, the current output characteristics corresponding to the vehicle-mounted power bank are determined; and according to the current output characteristics, the charging efficiency value corresponding to the vehicle-mounted power bank is calculated, wherein the charging efficiency value corresponding to the vehicle-mounted power bank is calculated according to the current output characteristics, including: The charging efficiency value corresponding to the vehicle power bank is calculated using the following formula:

[0006] in, Indicates the charging efficiency value corresponding to the vehicle power bank, Indicates the total number of sampling points for current and voltage measurement data during the charging process. Indicates the number index of the sampling point. Indicated in The output current value at the sampling point is Indicated in The output voltage value at the sampling point is Indicated in The charging time corresponding to each sampling point is: represents the total number of current output characteristics, A quantitative index representing the current output characteristic, Indicates The inductance value corresponding to the current output characteristic; Based on the charging efficiency value, determine the function optimization direction corresponding to the vehicle-mounted power bank, based on the function optimization direction, analyze the battery capacity characteristics corresponding to the vehicle-mounted power bank, and based on the battery capacity characteristics, calculate the endurance value corresponding to the vehicle-mounted power bank; Based on the endurance value, configure the charging parameters corresponding to the vehicle power bank, extract the important function test points and test accuracy requirements in the charging parameters, monitor the real-time data during the test of the vehicle power bank based on the important function test points and the test accuracy requirements, and generate a function test report corresponding to the vehicle power bank based on the real-time data.

[0007] Optionally, the performing performance evaluation on the component to obtain component evaluation results includes: Performing functional tests on the components to obtain test data; Analyzing the functional performance in the detection data; Query the performance standard corresponding to the performance of the function; Comparing the functional performance with the performance standard to obtain a comparison result; Based on the comparison results, determining improvement measures corresponding to the component parts; According to the improvement measures, the performance of the component is evaluated to obtain component evaluation results.

[0008] Optionally, querying the working environment conditions of the vehicle-mounted power bank based on the key performance indicators includes: Analyze the performance of indicators corresponding to the key performance indicators; Based on the performance of the indicator, determine the environmental impact factors corresponding to the vehicle-mounted power bank; Analyze the interaction between the environmental influencing factors; Based on the interaction relationship, determining the main influencing factors among the environmental influencing factors; Based on the main influencing factors, the working environment conditions of the vehicle-mounted power bank are queried.

[0009] Optionally, the data integration of the environmental influencing factors to obtain integrated data includes: Collecting original parameters corresponding to the environmental influencing factors; Analyze parameter changes corresponding to the original parameters; Extracting significant change points in the parameter change; Marking the significant change points to obtain marking features; Querying the impact degree value corresponding to the marking feature; The impact degree values ​​are summarized to obtain integrated data.

[0010] Optionally, determining the function optimization direction corresponding to the vehicle-mounted power bank based on the charging efficiency value includes: Determining an efficiency level corresponding to the charging efficiency value; Based on the efficiency level, calculating the efficiency difference corresponding to the charging efficiency value; Based on the efficiency difference, mark the performance weaknesses of the vehicle-mounted power bank; Query the key weak points corresponding to the performance weak links; Based on the key weaknesses, determine the functional optimization direction corresponding to the vehicle-mounted power bank.

[0011] Optionally, the calculating, based on the efficiency level, an efficiency difference corresponding to the charging efficiency value includes: The efficiency difference corresponding to the charging efficiency value is calculated using the following formula:

[0012] in, represents the efficiency difference corresponding to the charging efficiency value, Indicates the number of measurements corresponding to the charging efficiency value, An index indicating the number of measurements, Indicates The actual charge value measured. Indicates the number of types corresponding to the efficiency level, Indicates the type index corresponding to the efficiency level, Indicates The actual efficiency value corresponding to the efficiency level is Indicates The weight coefficient corresponding to each efficiency level.

[0013] Optionally, analyzing the battery capacity characteristics corresponding to the vehicle-mounted power bank based on the function optimization direction includes: Based on the function optimization direction, determine the test scenario corresponding to the vehicle power bank; Performing a simulation test on the test scenario to obtain scenario simulation parameters; Based on the scenario simulation parameters, setting a capacity reference index corresponding to the vehicle-mounted power bank; Based on the capacity reference index, the battery capacity characteristics corresponding to the vehicle-mounted power bank are analyzed.

[0014] Optionally, the calculating, based on the battery capacity characteristic, a battery life value corresponding to the vehicle-mounted power bank includes: The battery life value corresponding to the vehicle power bank is calculated using the following formula:

[0015] in, Indicates the battery life value corresponding to the vehicle-mounted power bank, Indicates the number of different battery capacity characteristic states, An index representing the battery capacity characteristic status, Indicated in The available battery capacity under the battery capacity characteristic state, Indicated in The energy conversion efficiency of the battery under the characteristic state of capacity, The number of scenarios representing the power consumption scenarios, Indicates the number index of power consumption scenarios, Indicated in The average power consumption under the power consumption scenarios, Indicated in Estimated usage time under various power consumption scenarios, Indicates the number of internal loss factors corresponding to the vehicle-mounted power bank, represents the quantitative index of internal loss factors, Indicates The relevant factor values ​​of the internal loss factors.

[0016] Optionally, configuring charging parameters corresponding to the vehicle-mounted power bank based on the endurance value includes: Analyzing the battery capacity information corresponding to the endurance value; Based on the battery capacity information, determining a preliminary current range corresponding to the vehicle-mounted power bank; Matching the preliminary current range to the usage scenario corresponding to the vehicle-mounted power bank to obtain scenario matching data; Extracting key matching factors from the scene matching data; Based on the key matching factors, the charging parameters corresponding to the vehicle-mounted power bank are determined.

[0017] Optionally, in order to solve the above problem, the present invention provides a functional testing system based on a vehicle-mounted power bank, the system comprising: A performance evaluation module, used to obtain the functional test requirements of the vehicle-mounted power bank, analyze the performance parameters corresponding to the vehicle-mounted power bank based on the functional test requirements, query the components corresponding to the vehicle-mounted power bank based on the performance parameters, perform performance evaluation on the components, and obtain component evaluation results; A data integration module, used to identify key performance indicators in the component evaluation results, query the working environment conditions of the vehicle-mounted power bank based on the key performance indicators, collect environmental influencing factors in the working environment conditions, and integrate the environmental influencing factors to obtain integrated data; The efficiency value calculation module is used to analyze the circuit working mode corresponding to the vehicle-mounted power bank based on the integrated data, determine the current output characteristics corresponding to the vehicle-mounted power bank based on the circuit working mode, and calculate the charging efficiency value corresponding to the vehicle-mounted power bank according to the current output characteristics, wherein the charging efficiency value corresponding to the vehicle-mounted power bank is calculated according to the current output characteristics, including: The charging efficiency value corresponding to the vehicle power bank is calculated using the following formula:

[0018] in, Indicates the charging efficiency value corresponding to the vehicle power bank, Indicates the total number of sampling points for current and voltage measurement data during the charging process. Indicates the number index of the sampling point. Indicated in The output current value at the sampling point is Indicated in The output voltage value at the sampling point is Indicated in The charging time corresponding to each sampling point is: represents the total number of current output characteristics, A quantitative index representing the current output characteristic, Indicates The inductance value corresponding to the current output characteristic; A capacity value calculation module, used to determine the function optimization direction corresponding to the vehicle-mounted power bank based on the charging efficiency value, analyze the battery capacity characteristics corresponding to the vehicle-mounted power bank based on the function optimization direction, and calculate the endurance capacity value corresponding to the vehicle-mounted power bank based on the battery capacity characteristics; A report generation module is used to configure the charging parameters corresponding to the vehicle power bank based on the endurance value, extract the important function test points and test accuracy requirements in the charging parameters, monitor the real-time data during the test of the vehicle power bank based on the important function test points and the test accuracy requirements, and generate a function test report corresponding to the vehicle power bank based on the real-time data.

[0019] First, by obtaining the functional test requirements of the vehicle-mounted power bank, the present invention can deeply explore the performance risks that may exist in the vehicle-mounted power bank in a complex vehicle environment, such as accurately capturing the potential impact of factors such as vehicle driving vibration, voltage fluctuation, temperature change, etc. on its charging stability and efficiency, thereby effectively reducing the occurrence rate of faults such as charging interruption and abnormal heating in actual use. At the same time, by identifying the key performance indicators in the component evaluation results, the present invention can make more targeted improvements and optimizations, and can more accurately grasp the advantages and disadvantages of the product, and provide a clear direction for further improving product quality. Secondly, it helps to reasonably allocate resources, concentrate limited energy and costs on improving key performance indicators, and improve resource utilization efficiency. Based on the integrated data, the present invention analyzes the circuit working mode corresponding to the vehicle-mounted power bank, and can deeply understand the circuit operation of the vehicle-mounted power bank under the influence of different environments, so as to better optimize the circuit design and improve its working efficiency and stability. It can accurately identify potential problems that may exist in the circuit, such as risks such as overload and short circuit, take preventive measures in advance, and ensure the safe use of the vehicle-mounted power bank. In addition, it helps to adjust the circuit working mode according to actual needs to achieve better charging effect and energy utilization efficiency. The present invention determines the functional optimization direction corresponding to the vehicle-mounted power bank based on the charging efficiency value, which can clarify the actual performance of the vehicle-mounted power bank in terms of power conversion and transmission, and can directly point to the functional modules that may have problems. For example, if it is found that the power loss is large under a specific current output, the power management module can be optimized in a targeted manner, which helps to reduce blind attempts in the research and development process and save time and cost. Further, the present invention configures the charging parameters corresponding to the vehicle-mounted power bank based on the endurance value, which can achieve accurate charging. The charging parameters are reasonably set according to the endurance, which can ensure that the power bank reaches the best charging state without overcharging or overdischarging, thereby ensuring the stable power supply of electronic equipment. Therefore, the functional testing method and system based on the vehicle-mounted power bank proposed by the present invention can improve the charging quality of the vehicle-mounted power bank in a vehicle environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic flow chart of a function testing method based on a vehicle-mounted power bank provided by an embodiment of the present invention; Figure 2 A schematic diagram of modules for implementing a functional testing system based on a vehicle-mounted power bank provided in one embodiment of the present invention.

[0021] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0022] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0023] The embodiment of the present application provides a functional testing method based on a vehicle-mounted power bank. The execution subject of the functional testing method based on a vehicle-mounted power bank includes but is not limited to at least one of the electronic devices such as a server and a terminal that can be configured to execute the method provided by the embodiment of the present application. In other words, the functional testing method based on a vehicle-mounted power bank can be executed by software or hardware installed on a terminal device or a server device. The server includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, etc.

[0024] Example 1 Reference Figure 1 FIG. 1 is a flow chart of a function test method based on a vehicle-mounted power bank provided by an embodiment of the present invention. In this embodiment, the function test method based on a vehicle-mounted power bank includes: S1. Obtain functional test requirements for the vehicle power bank, analyze performance parameters corresponding to the vehicle power bank based on the functional test requirements, query components corresponding to the vehicle power bank based on the performance parameters, perform performance evaluation on the components, and obtain component evaluation results.

[0025] By obtaining the functional testing requirements of the vehicle power bank, the present invention can deeply explore the performance risks that may exist in the vehicle power bank in a complex vehicle environment, such as accurately capturing the potential impact of vehicle driving vibration, voltage fluctuation, temperature change and other factors on its charging stability and efficiency, thereby effectively reducing the occurrence rate of faults such as charging interruption and abnormal heating in actual use.

[0026] Among them, the vehicle-mounted power bank refers to a portable power supply device specially designed to replenish power for various mobile electronic devices in a vehicle environment. It is connected to the vehicle power system through a specific connection interface, and can provide charging support for a variety of electronic devices such as smart phones, tablets, and laptops when the vehicle is driving or parked. It has a certain battery capacity and power conversion and output functions to meet the charging needs of different devices and ensure the power supply stability in the vehicle scenario; the functional test requirements refer to a series of testing requirements expected to be achieved for the normal, efficient, and safe operation of the vehicle-mounted power bank in the vehicle environment, including but not limited to its charging under different vehicle driving conditions (such as steady driving, bumpy road conditions, sudden acceleration and braking, etc.) Testing requirements for stability and continuity; requirements for adaptability testing within various voltage fluctuation ranges of the vehicle's electrical system (such as voltage shock at the moment of vehicle startup, voltage changes under different power loads, etc.); requirements for working performance testing under different temperature environments in the vehicle (high temperature and exposed vehicle environment in summer, cold environment in winter); requirements for compatibility testing with a variety of common brands and models of mobile electronic devices to ensure that the device can be accurately identified and the appropriate charging current and voltage can be provided, as well as quantitative testing requirements for its own charging speed, charging efficiency, battery capacity retention and attenuation characteristics, etc. Optionally, the functional testing requirements for obtaining the vehicle power bank can be achieved through demand mining tools, such as: JIRA, Trello and other tools.

[0027] Furthermore, based on the functional testing requirements, the present invention analyzes the performance parameters corresponding to the vehicle power bank, and can predict in advance the performance of the vehicle power bank in a complex vehicle environment, such as accurately evaluating its stability and adaptability under different voltage fluctuations and temperature changes, thereby improving the reliability and durability of the product.

[0028] Among them, the performance parameters refer to specific indicators used to describe and measure the performance of the vehicle power bank, covering multiple aspects. These include charging speed, which is reflected in the speed of charging of electronic devices; output voltage stability, ensuring the stability of the output voltage to protect the charging equipment; battery capacity, which determines the endurance of the power bank; conversion efficiency, which measures the efficiency of electric energy conversion; compatibility, which refers to the adaptability to different devices; operating temperature range, which indicates the ability to work under different temperature environments; output current stability, which provides reliable charging effect; overcharge protection performance, which prevents overcharging to ensure equipment safety; short-circuit protection performance, which cuts off the power supply in time to avoid accidents when a short circuit occurs. Optionally, the analysis of the performance parameters corresponding to the vehicle power bank can be achieved through electronic testing instruments, such as: oscilloscopes, voltmeters, ammeters, etc.

[0029] Furthermore, the present invention queries the components corresponding to the vehicle power bank based on the performance parameters, can deeply understand the internal structure and working principle of the vehicle power bank, find out the key components affecting the performance through the correlation analysis between the performance parameters and the components, and secondly, help to carry out targeted component quality inspection and optimization to improve the overall performance and reliability.

[0030] Among them, the components usually include a battery, which is a core component responsible for storing electrical energy; a charging management chip, which controls the battery charging process to ensure safety and efficiency; a boost / buck module, which adjusts the battery output voltage to adapt to different devices; a casing, which provides protection and certain protective functions; a circuit board, which carries electronic components to achieve circuit connection and function control; an interface, including an input interface and an output interface for connecting a power source and a charging device; and electronic components such as capacitors and resistors, which play a role in filtering and current limiting in the circuit to ensure circuit stability and reliability. Optionally, the query of the components corresponding to the car power bank can be achieved by consulting the product's technical documents and specification manuals to understand the information of its components.

[0031] Furthermore, the present invention performs performance evaluation on the components to obtain component evaluation results, which can help accurately understand the actual performance of each component, discover its potential advantages and disadvantages, and ensure that only components with good performance are used in the production of vehicle power banks, thereby improving the overall product quality.

[0032] The component evaluation result refers to the final conclusion drawn after the performance evaluation of the component, including the overall performance level of the component, whether it meets the product requirements, whether further improvement is needed, and the direction and focus of improvement.

[0033] As an embodiment of the present invention, the performance evaluation of the component parts to obtain component evaluation results includes: performing functional tests on the component parts to obtain test data; analyzing functional performance in the test data; querying the performance standard corresponding to the functional performance; comparing the functional performance with the performance standard to obtain a comparison result; based on the comparison result, determining improvement measures corresponding to the component parts; and performing performance evaluation on the component parts according to the improvement measures to obtain component evaluation results.

[0034] Among them, the test data refers to the data information of various parameters and indicators obtained by performing functional tests on components, such as data on battery capacity, working efficiency of the charging management chip, connection stability of the interface, etc.; the functional performance refers to the functional performance of the components in actual operation reflected by the test data, such as battery life, charging speed and stability of the charging management chip, transmission speed and compatibility of the interface, etc.; the performance standards refer to the expected performance requirements and specifications set for each component. These standards are usually determined based on factors such as product design requirements, industry specifications and user needs, and are used to measure whether the functional performance of the components reaches a qualified level; the comparison results refer to the results obtained by comparing the functional performance with the performance standards, including whether the functional performance of the components meets the performance standards, in which aspects there are advantages or disadvantages, and the size of the gap with the standards; the improvement measures refer to specific action plans formulated according to the comparison results to improve the performance of the components, such as replacing components that do not meet the performance standards, optimizing circuit design, and improving production processes.

[0035] Furthermore, the functional testing of the components can be achieved through electronic testing equipment, such as battery capacity testers, electronic load meters and other equipment; the analysis of the functional performance in the test data can be achieved through data analysis tools, such as Excel, SPSS and other tools; the query of the performance standard corresponding to the functional performance can be achieved through a text matching algorithm, such as matching the functional performance with the content in the standard file to determine the corresponding performance standard; the comparison of the functional performance with the performance standard can be achieved through a difference calculation algorithm, such as directly calculating the numerical difference between the functional performance data and the performance standard; the determination of the improvement measures corresponding to the components can be achieved through quality management tools, such as fishbone diagrams, PDCA cycles and other tools; the performance evaluation of the components can be achieved through a hierarchical analysis algorithm, such as using a multi-criteria decision-making algorithm to determine the weights of each performance indicator, thereby achieving performance evaluation of the components.

[0036] S2. Identify the key performance indicators in the component evaluation results, query the working environment conditions of the vehicle-mounted power bank based on the key performance indicators, collect environmental influencing factors in the working environment conditions, integrate the environmental influencing factors, and obtain integrated data.

[0037] By identifying the key performance indicators in the component evaluation results, the present invention can make more targeted improvements and optimizations, more accurately grasp the advantages and disadvantages of the product, and provide a clear direction for further improving product quality. Secondly, it helps to reasonably allocate resources, concentrate limited energy and costs on improving key performance indicators, and improve resource utilization efficiency.

[0038] Among them, the key performance indicators refer to indicators that have an important impact on the overall performance and quality of the vehicle-mounted power bank, covering aspects such as charging efficiency, output stability, battery cycle life, compatibility, safety performance, and energy density. Charging efficiency measures the ability to convert electric energy, output stability ensures the safe operation of the charging equipment, battery cycle life affects the service life, compatibility ensures charging for a variety of devices, safety performance includes a variety of protection functions to ensure safe use, and energy density reflects the energy stored per unit volume or weight, which has an important impact on the portability and practicality of the product. Optionally, the identification of key performance indicators in the component evaluation results can be achieved through data analysis tools, such as: pandas and matplotlib libraries in Python, to process and visualize the evaluation result data so as to more intuitively identify key performance indicators.

[0039] Furthermore, the present invention queries the working environment conditions of the vehicle-mounted power bank based on the key performance indicators, thereby ensuring the stability and reliability of the vehicle-mounted power bank in actual use, and can better evaluate the performance of key performance indicators in different environments, thereby discovering existing problems in advance and taking corresponding solutions.

[0040] Among them, the working environment conditions refer to the specific environmental requirements required for the vehicle power bank to work normally, including temperature range, humidity range, vibration intensity limit, electromagnetic environment requirements, etc.

[0041] As an embodiment of the present invention, querying the working environment conditions of the vehicle-mounted power bank based on the key performance indicators includes: analyzing the indicator performance corresponding to the key performance indicators; determining the environmental influencing factors corresponding to the vehicle-mounted power bank based on the indicator performance; analyzing the interaction relationship between the environmental influencing factors; determining the main influencing factors among the environmental influencing factors based on the interaction relationship; and querying the working environment conditions of the vehicle-mounted power bank based on the main influencing factors.

[0042] Among them, the indicator performance refers to the specific performance conditions presented by the key performance indicators in actual testing or use, such as the charging efficiency, the output stability, etc.; the environmental influencing factors refer to the external environmental factors that affect the performance of the vehicle power bank, such as temperature, humidity, vibration, electromagnetic interference, etc.; the interaction relationship refers to the relationship of mutual influence and mutual restriction between different environmental influencing factors, such as temperature and humidity can jointly affect the battery performance of the vehicle power bank; the main influencing factor refers to the factor that has the most significant impact on the performance of the vehicle power bank among many environmental influencing factors.

[0043] Furthermore, the analysis of the performance of the indicators corresponding to the key performance indicators can be achieved through performance testing instruments, such as: charging efficiency tester, voltage stability tester, etc., which are used to directly measure key performance indicators; the determination of the environmental influencing factors corresponding to the vehicle-mounted power bank can be achieved through environmental monitoring equipment, such as: temperature and humidity sensors, vibration sensors, electromagnetic interference detectors, etc., which are used to measure the numerical values ​​of environmental factors; the analysis of the interaction relationship between the environmental influencing factors can be achieved through an association analysis algorithm, such as: (and examples of methods, tools or algorithms that can be implemented therein are given); the determination of the main influencing factors among the environmental influencing factors can be achieved through data analysis tools, such as: SPSS, Origin and other tools; the query of the working environment conditions of the vehicle-mounted power bank can be achieved through a natural language processing algorithm, such as: by analyzing texts such as product manuals and technical documents, and automatically extracting relevant content of the working environment conditions.

[0044] By collecting the environmental influencing factors in the working environment conditions, the present invention can help to fully understand the various environmental challenges that the vehicle-mounted power bank may face in actual use, thereby providing a more targeted basis for product design and improvement. In addition, by accurately collecting environmental influencing factors, the performance of the vehicle-mounted power bank in different environments can be better predicted, potential problems can be discovered in advance and optimized, and the reliability and stability of the product can be improved.

[0045] Among them, the environmental influencing factors refer to various external environmental conditions that affect the vehicle-mounted power bank, including temperature (too high or too low affects battery performance, circuit stability and charging efficiency), humidity (high humidity causes electronic components to get damp, which can easily cause short circuits), vibration (vehicle driving vibration can easily damage internal structures and components), electromagnetic interference (affecting the normal operation of circuits), dust and pollutants (affecting heat dissipation and damaging electronic components), voltage fluctuations (affecting charging effects and stability), etc. Optionally, the collection of environmental influencing factors in the working environment conditions can be achieved through a data fusion algorithm, such as: Kalman filtering and other algorithms.

[0046] Furthermore, the present invention integrates the environmental influencing factors to obtain integrated data, which can bring together scattered environmental influencing factor information to form a comprehensive and systematic data set, which is convenient for comprehensive analysis and evaluation, and can more clearly understand the relationship and overall impact between various environmental factors, providing stronger support for subsequent research and decision-making.

[0047] The integrated data refers to the comprehensive data obtained by summarizing and collating the influence values ​​of various marking features, which can reflect the overall impact of environmental factors on the car power bank.

[0048] As an embodiment of the present invention, the data of the environmental influencing factors is integrated to obtain integrated data, including: collecting original parameters corresponding to the environmental influencing factors; analyzing parameter changes corresponding to the original parameters; extracting significant change points in the parameter changes; marking the significant change points to obtain marking features; querying the impact degree value corresponding to the marking features; and summarizing the impact degree values ​​to obtain integrated data.

[0049] Among them, the original parameters refer to the unprocessed data directly obtained from the monitoring of environmental influencing factors, such as specific measurement values ​​of temperature, humidity, vibration, etc.; the parameter change situation refers to the changing trend and law of the original parameters over a period of time or under different conditions, such as the increase or decrease of temperature, the increase or decrease of humidity, etc.; the significant change point refers to the numerical point with obvious change characteristics in the parameter change situation, which can represent the important change moment or stage of the environmental influencing factors; the marking feature refers to the feature formed after the significant change point is specifically identified or marked; the impact degree value refers to the quantitative value of the possible impact of each marking feature on the performance or other aspects of the vehicle power bank.

[0050] Furthermore, the acquisition of the original parameters corresponding to the environmental influencing factors can be achieved through a sensor monitoring method, such as a DHT11 temperature and humidity sensor, which can continuously output specific values ​​of the temperature and humidity of the environment as original parameters for subsequent analysis; the analysis of the parameter changes corresponding to the original parameters can be achieved through a trend analysis algorithm, such as linear regression, polynomial regression and other algorithms; the extraction of significant change points in the parameter changes can be achieved through a sliding window method, such as setting a sliding window of a fixed size, sliding on the data sequence of the parameter changes, and determining the significant change points by analyzing the statistical characteristics of the data in the window (such as mean, standard deviation, etc.); the The marking of significant change points can be achieved through the label assignment method, such as: for significant temperature change points, different labels can be assigned according to whether the temperature increases or decreases, such as "temperature increase point", "temperature decrease point", etc.; the query of the influence degree value corresponding to the marking feature can be achieved through the model prediction method, such as: establishing a heat conduction model based on physical principles to predict the influence degree value of the temperature change marking feature on the internal battery temperature, charging efficiency and other aspects of the car power bank; the data aggregation of the influence degree values ​​can be achieved through the vector summation method, such as: treating the influence degree values ​​corresponding to each marking feature as components of a vector, and aggregating these influence degree values ​​through vector operations (such as vector addition).

[0051] S3. Based on the integrated data, analyze the circuit working mode corresponding to the vehicle-mounted power bank, determine the current output characteristics corresponding to the vehicle-mounted power bank based on the circuit working mode, and calculate the charging efficiency value corresponding to the vehicle-mounted power bank according to the current output characteristics.

[0052] The present invention analyzes the circuit working mode corresponding to the vehicle-mounted power bank based on the integrated data, and can deeply understand the circuit operation of the vehicle-mounted power bank under the influence of different environments, so as to better optimize the circuit design, improve its working efficiency and stability, and can accurately identify potential problems that may exist in the circuit, such as overload, short circuit and other risks, and take preventive measures in advance to ensure the safe use of the vehicle-mounted power bank. In addition, it helps to adjust the circuit working mode according to actual needs to achieve better charging effect and energy utilization efficiency.

[0053] Among them, the circuit working mode refers to the operating mode and state of the internal circuit of the car power bank under different working conditions, which includes the conduction mode of the circuit, the voltage and current conversion mode, the energy transmission and distribution mode, etc. For example, the car power bank may have different working modes such as constant current charging mode, constant voltage charging mode, pulse charging mode, etc. to adapt to different charging needs and battery characteristics. The circuit working mode will also be affected by the voltage and current changes of the input power supply and environmental factors. By adjusting the circuit working mode, the performance of the car power bank can be optimized and controlled to ensure that it charges electronic devices safely and efficiently. Optionally, the analysis of the circuit working mode corresponding to the car power bank can be achieved through circuit simulation tools, such as: Multisim, PSpice and other tools.

[0054] Furthermore, the present invention determines the current output characteristics corresponding to the vehicle power bank based on the circuit working mode, which can ensure that the vehicle power bank provides stable and appropriate current for the electronic device, avoids damage to the device due to unstable or mismatched current, and extends the service life of the device. Secondly, accurate understanding of the current output characteristics helps to optimize the charging efficiency, so that the vehicle power bank can more effectively utilize energy and reduce energy loss during the charging process.

[0055] Among them, the current output characteristics refer to the various features and performances of the output current when the car power bank is working, including the size, stability, change law and adaptability to the load of the output current. Specifically, the current output characteristics will involve the constant value or change range of the output current, the current adjustment capability under different load conditions, the current fluctuation and the charging current adaptability to different types of electronic devices. Optionally, the determination of the current output characteristics corresponding to the car power bank can be achieved through a load testing method, such as: measuring the output current of the car power bank under different loads to determine its current output characteristics.

[0056] Furthermore, the present invention calculates the charging efficiency value corresponding to the vehicle-mounted power bank according to the current output characteristics, which helps to accurately evaluate the energy utilization efficiency of the vehicle-mounted power bank and understand its loss in the process of converting input electrical energy into output electrical energy. By calculating the charging efficiency value, potential energy waste links can be discovered, and targeted improvements can be made to reduce energy consumption and improve energy utilization.

[0057] Among them, the charging efficiency value refers to an efficiency index used to measure the efficiency of the car power bank in transmitting electric energy to the device, which reflects the effectiveness of converting electric energy from the power source to the charged device during the charging process of the car power bank.

[0058] As an embodiment of the present invention, the calculating the charging efficiency value corresponding to the vehicle-mounted power bank according to the current output characteristics includes: The charging efficiency value corresponding to the vehicle power bank is calculated using the following formula:

[0059] in, Indicates the charging efficiency value corresponding to the vehicle power bank, Indicates the total number of sampling points for current and voltage measurement data during the charging process. Indicates the number index of the sampling point. Indicated in The output current value at the sampling point is Indicated in The output voltage value at the sampling point is Indicated in The charging time corresponding to each sampling point is: represents the total number of current output characteristics, A quantitative index representing the current output characteristic, Indicates The inductance value corresponding to the current output characteristic.

[0060] In detail, the sampling point refers to the representative time point or data point selected when collecting data on the charging process of the vehicle power bank, and at these points, the current, voltage and other related parameters are measured and recorded; the charging time refers to the time from the start of charging to a certain sampling point in the charging process, which reflects the duration of the charging process at different stages; the inductance value refers to a physical quantity that characterizes the characteristics of the inductor element, which reflects the ability of the inductor coil to generate self-induced electromotive force when current passes through it, and in the circuit, the inductor will hinder the change of current.

[0061] S4. Based on the charging efficiency value, determine the function optimization direction corresponding to the vehicle power bank, based on the function optimization direction, analyze the battery capacity characteristics corresponding to the vehicle power bank, and based on the battery capacity characteristics, calculate the endurance value corresponding to the vehicle power bank.

[0062] The present invention determines the functional optimization direction corresponding to the vehicle power bank based on the charging efficiency value, can clarify the actual performance of the vehicle power bank in terms of power conversion and transmission, and can directly point to functional modules that may have problems. For example, if it is found that the power loss is large under a specific current output, the power management module can be optimized in a targeted manner, which helps to reduce blind attempts in the research and development process and save time and cost.

[0063] Among them, the functional optimization direction refers to the specific direction of improvement and optimization of the car power bank determined according to the key weak points. For example, if it is determined that the key weak point is that the resistance of a certain resistor is too large, then the functional optimization direction may be to replace the resistor with a smaller resistance or adopt a more advanced circuit design to reduce the energy loss of this part.

[0064] As an embodiment of the present invention, determining the functional optimization direction corresponding to the vehicle power bank based on the charging efficiency value includes: determining the efficiency level corresponding to the charging efficiency value; calculating the efficiency difference corresponding to the charging efficiency value based on the efficiency level; marking the performance weak links corresponding to the vehicle power bank based on the efficiency difference; querying the key weak points corresponding to the performance weak links; and determining the functional optimization direction corresponding to the vehicle power bank based on the key weak points.

[0065] Among them, the efficiency level refers to the classification of charging efficiency values ​​into different levels according to certain standards. For example, the charging efficiency value can be divided into three levels: high, medium and low. If the charging efficiency value is 80%-100%, it is a high level, 50%-79% is a medium level, and 0%-49% is a low level; the efficiency difference refers to the numerical difference between different efficiency levels or between the efficiency and the ideal efficiency (usually assuming that the ideal charging efficiency is 100%). For example, if the charging efficiency of a car power bank is 60%, which is a medium level, then the difference between it and the lower limit of the high level (80%) is 20%. This 20% It is the efficiency difference; the weak performance link refers to the problems reflected by the efficiency difference, in the overall performance of the car power bank, those related parts that cause the charging efficiency to not reach a higher level. For example, if the charging efficiency drops significantly at high current output, then the circuit design, battery performance and other parts related to high current output are the weak performance links; the key weak point refers to the specific factor that has the greatest and most core impact on the charging efficiency in the weak performance link. For example, in the case where the efficiency drops due to the above-mentioned high current output, it is found through analysis that the resistance of a certain resistor in the circuit is too large, resulting in excessive energy loss, then this resistor is the key weak point.

[0066] Furthermore, the determination of the efficiency level corresponding to the charging efficiency value can be achieved through a threshold judgment method, such as: setting a charging efficiency value greater than or equal to 80% as a high level, 50%-79% as a medium level, and less than 50% as a low level; the calculation of the efficiency difference corresponding to the charging efficiency value can be achieved through the following formula; the marking of the performance weak links corresponding to the vehicle power bank can be achieved through a clustering analysis algorithm, such as: clustering the various performance indicator data of the vehicle power bank, and marking the clusters with poor performance as performance weak links; the query of the key weak points corresponding to the performance weak links can be achieved through fault diagnosis tools, such as: an oscilloscope, a logic analyzer, etc.; the determination of the functional optimization direction corresponding to the vehicle power bank can be achieved through a hierarchical analysis method, such as: classifying various factors according to different levels, and determining the relative importance of each factor by pairwise comparison, thereby determining the functional optimization direction of the vehicle power bank.

[0067] Optionally, as an embodiment of the present invention, the calculating, based on the efficiency level, the efficiency difference corresponding to the charging efficiency value includes: The efficiency difference corresponding to the charging efficiency value is calculated using the following formula:

[0068] in, represents the efficiency difference corresponding to the charging efficiency value, Indicates the number of measurements corresponding to the charging efficiency value, An index indicating the number of measurements, Indicates The actual charge value measured. Indicates the number of types corresponding to the efficiency level, Indicates the type index corresponding to the efficiency level, Indicates The actual efficiency value corresponding to the efficiency level is Indicates The weight coefficient corresponding to each efficiency level.

[0069] In detail, the efficiency difference refers to a quantitative indicator of the difference between the actual charging efficiency value and the theoretical efficiency value calculated according to the efficiency level and its weight during the charging process based on different efficiency levels; the actual charging value refers to the difference between the actual charging efficiency value and the theoretical efficiency value calculated according to the efficiency level and its weight during the charging process. The actual power output value of the vehicle power bank during the first measurement is obtained through actual measurement and reflects the charging capacity of the power bank at a specific measurement time. The actual efficiency value refers to the actual power output value of the vehicle power bank during the first measurement. The corresponding actual charging efficiency value under the efficiency level reflects the actual charging efficiency achieved by the vehicle power bank under the specific efficiency level; the weight coefficient refers to the value assigned to the The weight of each efficiency level reflects the importance of different efficiency levels in calculating the overall efficiency difference.

[0070] Based on the function optimization direction, the present invention analyzes the battery capacity characteristics corresponding to the vehicle-mounted power bank, which helps to understand whether the battery capacity matches the optimized function, avoids waste of resources due to insufficient or excessive capacity, and can accurately judge the impact of battery capacity on charging speed and usage time after function optimization, thereby providing users with a more accurate usage reference and improving user experience.

[0071] Among them, the battery capacity characteristics refer to a comprehensive description of the capacity-related performance of the vehicle power bank battery through capacity reference indicators. For example, the battery capacity characteristics may include the degree of capacity attenuation of the battery in a low temperature environment (such as the capacity at -10°C is reduced by 20% compared to normal temperature), and the effective utilization rate of the battery capacity during fast charging (such as under a certain fast charging protocol, the actual charged capacity of the battery in the first half of the charging process accounts for 70% of the battery's nominal capacity).

[0072] As an embodiment of the present invention, analyzing the battery capacity characteristics corresponding to the vehicle power bank based on the function optimization direction includes: determining the test scenario corresponding to the vehicle power bank based on the function optimization direction; simulating the test scenario to obtain scenario simulation parameters; setting the capacity reference index corresponding to the vehicle power bank based on the scenario simulation parameters; and analyzing the battery capacity characteristics corresponding to the vehicle power bank based on the capacity reference index.

[0073] Among them, the test scenario refers to the specific situations and conditions for testing determined according to the functional optimization direction of the car power bank. For example, if the functional optimization direction is to improve the charging performance in a low-temperature environment, then the test scenario may be to charge the car power bank under different low-temperature conditions (such as -10°C, -20°C, etc.); if it is to optimize the fast charging function, the test scenario may include charging it using different fast charging protocols (such as QC, PD, etc.); the scenario simulation parameters refer to various types of relevant data obtained during the simulation test of the test scenario. Taking the low-temperature charging scenario as an example, the scenario simulation parameters may include the charging current and charging voltage change data over time when charging in a low-temperature environment, and the battery Temperature change data, time required to complete charging, etc.; in the fast charging scenario, it can include parameters such as the initial charging current, maximum charging current, and time required to reach different power percentages under different fast charging protocols; the capacity reference index refers to a quantitative standard set based on the scenario simulation parameters for measuring the capacity-related characteristics of the vehicle power bank battery. For example, based on the simulation parameters under the low-temperature charging scenario, the ratio of the actual amount of electricity charged to the battery when charged to full power at -10°C can be set as a capacity reference indicator to the ratio of the actual amount of electricity charged to the battery when fully charged at -10°C to the nominal capacity of the battery at room temperature; for the fast charging scenario, the relationship between the average charging current and the nominal capacity of the battery when charging from 0% to 50% under a certain fast charging protocol can be set as a capacity reference indicator.

[0074] Furthermore, the determination of the test scenario corresponding to the vehicle-mounted power bank can be achieved through an association rule mining algorithm, such as: analyzing the association between the function optimization direction and the historical test data to mine the test scenario; the simulation test of the test scenario can be achieved through a simulation tool, such as: utilizing the behavior of the battery simulation tool in different test scenarios to obtain relevant parameters; the setting of the capacity reference index corresponding to the vehicle-mounted power bank can be achieved through a data analysis tool, such as: Excel and other tools for statistical analysis of test data to determine appropriate capacity reference indicators; the analysis of the battery capacity characteristics corresponding to the vehicle-mounted power bank can be achieved through a component analysis algorithm, such as: extracting the main battery capacity characteristic information through a comprehensive analysis of multiple capacity reference indicators.

[0075] The present invention calculates the endurance value corresponding to the vehicle-mounted power bank based on the battery capacity characteristics, so that the user can intuitively understand the power supply time of the vehicle-mounted power bank in different usage scenarios, which is convenient for reasonable arrangement of use. Secondly, it is helpful for subsequent optimization of product design. By analyzing the relationship between the endurance value and the battery capacity characteristics, the battery performance and the energy efficiency management of the power bank are improved.

[0076] Among them, the battery life value refers to a quantitative indicator of how long the car power bank can continue to power external devices under specific conditions, which comprehensively considers factors such as battery capacity characteristics, energy conversion efficiency, power consumption scenarios and internal losses.

[0077] As an embodiment of the present invention, the calculating the endurance value corresponding to the vehicle-mounted power bank based on the battery capacity characteristics includes: The battery life value corresponding to the vehicle power bank is calculated using the following formula:

[0078] in, Indicates the endurance value corresponding to the vehicle power bank, Indicates the number of different battery capacity characteristic states, An index representing the battery capacity characteristic status, Indicated in The available battery capacity under the battery capacity characteristic state, Indicated in The energy conversion efficiency of the battery under the characteristic state of capacity, The number of scenarios representing the power consumption scenarios, Indicates the number index of power consumption scenarios, Indicated in The average power consumption under the power consumption scenarios, Indicated in Estimated usage time under various power consumption scenarios, Indicates the number of internal loss factors corresponding to the vehicle-mounted power bank, represents the quantitative index of internal loss factors, Indicates The relevant factor values ​​of the internal loss factors.

[0079] In detail, the available battery capacity refers to the battery power that can actually be used to power external devices in the vehicle power bank under the i'th battery capacity characteristic state; the energy conversion efficiency refers to the efficiency of the vehicle power bank converting the energy stored in the battery into electrical energy that can be used by external devices under the i'th battery capacity characteristic state; the power consumption scenario refers to various usage scenarios in which the external devices have different power requirements when the vehicle power bank is powering external devices, for example, charging a mobile phone and charging a tablet may represent different power consumption scenarios; the average power consumption refers to the average rate at which the external device obtains electrical energy from the vehicle power bank under the j'th power consumption scenario; the expected usage time refers to the time that the vehicle power bank is expected to continuously power external devices under the j'th power consumption scenario; the internal loss factor refers to the factor related to the energy loss caused by the battery's own characteristics, circuit elements, etc. inside the vehicle power bank, for example, the internal resistance of the battery, the resistance and capacitance loss in the circuit, etc. are all internal loss factors; the related factor value refers to the quantitative value related to the k'th internal loss factor, which is used to measure the contribution of a specific internal loss factor to the energy loss.

[0080] S5. Based on the endurance value, configure the charging parameters corresponding to the vehicle power bank, extract the important function test points and test accuracy requirements in the charging parameters, monitor the real-time data during the test of the vehicle power bank based on the important function test points and the test accuracy requirements, and generate a function test report corresponding to the vehicle power bank based on the real-time data.

[0081] The present invention configures the charging parameters corresponding to the vehicle-mounted power bank based on the endurance value, thereby achieving precise charging. The charging parameters are reasonably set according to the endurance, thereby ensuring that the power bank reaches the optimal charging state without overcharging or overdischarging, thereby ensuring stable power supply for electronic equipment.

[0082] Among them, the charging parameters refer to the specific settings finally determined for charging with the vehicle power bank, including the exact value of the charging current, the charging voltage, the charging mode (such as constant current charging, constant voltage charging, trickle charging and their switching conditions), the charging cut-off conditions (such as the criteria for judging whether the battery is fully charged), etc.

[0083] As an implementation of the present invention, configuring the charging parameters corresponding to the vehicle power bank based on the battery life value includes: analyzing the battery capacity information corresponding to the battery life value; determining a preliminary current range corresponding to the vehicle power bank based on the battery capacity information; matching the preliminary current range with the usage scenario corresponding to the vehicle power bank to obtain scenario matching data; extracting key matching factors from the scenario matching data; and determining the charging parameters corresponding to the vehicle power bank based on the key matching factors.

[0084] Among them, the battery capacity information refers to the battery storage capacity data related to the endurance of the vehicle power bank, which includes the nominal capacity of the battery (usually in milliampere hours mAh), and other factors that may affect the actual available capacity, such as the degree of battery aging, the current health status, etc.; the preliminary current range refers to the approximate current range suitable for charging the vehicle power bank determined based on the battery capacity information. This range is obtained after considering factors such as the capacity of the battery and the charging characteristics of the battery material. For example, for a large-capacity battery, the preliminary current range may be relatively large, but it is still determined under the premise of ensuring the safety and life of the battery; the usage scenario refers to various situations in which the vehicle power bank is actually used, including but not limited to daily short-distance travel, long-distance travel, use in extreme environments (such as high or low temperatures), charging for electronic devices of different types and power requirements, etc.; the Scenario matching data refers to the data obtained after matching the preliminary current range with the usage scenario of the car power bank. It includes the correspondence between the current value in the preliminary current range and the scenario requirements in different usage scenarios. For example, in a long-distance travel scenario, a higher charging current may be preferred for quick charging, while in a daily short-distance travel scenario, more emphasis is placed on low-current charging to extend battery life. These specific correspondences constitute the scenario matching data; the key matching factors refer to the factors extracted from the scenario matching data that play a decisive role in determining the charging parameters. These factors may include the demand for charging speed in a specific scenario, the impact on battery life, the compatibility of different electronic devices, etc. For example, in the scenario of charging high-power electronic devices, the key matching factor may be the ability to provide a sufficiently high charging current to meet the needs of fast charging of the device while ensuring that the battery does not overheat.

[0085] Furthermore, the analysis of the battery capacity information corresponding to the endurance value can be achieved through a battery internal resistance tester, such as: measuring the battery internal resistance and estimating the battery capacity in combination with a battery model; the determination of the preliminary current range corresponding to the vehicle power bank can be achieved through simulation software, such as: using battery simulation software to simulate the charging process under different currents and determine the preliminary current range; the matching of the preliminary current range to the usage scenario corresponding to the vehicle power bank can be achieved through a decision matrix, such as: establishing a decision matrix to compare the applicability of the preliminary current range under different scenarios; the extraction of key matching factors from the scene matching data can be achieved through a sensitivity analysis method, such as: analyzing the sensitivity of different factors to the scene matching results and determining the key matching factors; the determination of the charging parameters corresponding to the vehicle power bank can be achieved through an optimization algorithm, such as: a genetic algorithm, a particle swarm optimization algorithm, and the like.

[0086] By extracting important functional test points and test accuracy requirements from the charging parameters, the present invention can make the test more targeted and effective, can focus on testing key functions, avoid unnecessary test items, and improve test efficiency.

[0087] Among them, the important function test points refer to the key test items that can directly reflect whether the performance and functions of the vehicle power bank meet the standards, such as charging efficiency, output voltage stability, battery cycle life, overcharge protection function, etc.; the test accuracy requirements refer to the accuracy of the test results and the acceptable error range specified when performing various functional tests. For example, for the test of charging efficiency, the test accuracy is required to reach ±1%, which means that the error between the test result and the actual value cannot exceed ±1%. Optionally, the extraction of important function test points and test accuracy requirements in the charging parameters can be achieved through power supply testing equipment, such as: power supply tester, electronic load meter and other equipment.

[0088] Furthermore, the present invention monitors the real-time data during the test of the vehicle-mounted power bank based on the important function test points and the test accuracy requirements, thereby ensuring the pertinence and accuracy of the test and avoiding interference from irrelevant information. Problems or abnormal conditions arising during the test can be discovered in a timely manner so that timely measures can be taken to adjust or repair them and avoid further expansion of the problem, thereby improving the reliability of the test.

[0089] Among them, the real-time data refers to the data reflecting the current working status and performance of the vehicle-mounted power bank, which is collected in real time through various monitoring means during the test of the vehicle-mounted power bank. These data include but are not limited to the real-time values ​​of parameters such as charging current, charging voltage, battery temperature, output power, and the fault codes and alarm information that appear. Optionally, the real-time data of the monitoring of the vehicle-mounted power bank during the test can be achieved through real-time monitoring tools, such as: data recorders, oscilloscopes and other tools.

[0090] Furthermore, the present invention generates a functional test report corresponding to the vehicle power bank based on the real-time data, which can provide a comprehensive and accurate evaluation result, integrate and analyze various data in the test process, make the test result more intuitive and convincing, and clearly understand the performance of the vehicle power bank in actual use, including charging efficiency, voltage stability, battery capacity and other aspects, so as to discover the advantages and disadvantages of the product and provide a basis for further improvement and optimization.

[0091] Among them, the functional test report refers to a document for comprehensive functional evaluation and analysis of the vehicle power bank, which records in detail the information about the various functional characteristics of the vehicle power bank obtained based on real-time data, including but not limited to charging function (such as charging speed curve under different charging modes, charging efficiency, time taken from low power to full power, etc.), discharge function (such as discharge time under different loads, discharge voltage stability, and the length of time that can provide stable power for various devices, etc.), battery management function (such as battery temperature monitoring data, triggering of overcharge and over-discharge protection function, battery capacity health assessment, etc.), compatibility function (such as charging adaptation for different brands and models of mobile phones, tablets and other electronic devices) and functional performance data summary and analysis under various special environments or working conditions (such as high temperature, low temperature, humidity, bumps, etc.). Optionally, the generation of the functional test report corresponding to the vehicle power bank can be achieved through a report generation tool, such as: AllureReport, ReportNG and other tools.

[0092] First, by obtaining the functional test requirements of the vehicle-mounted power bank, the present invention can deeply explore the performance risks that may exist in the vehicle-mounted power bank in a complex vehicle environment, such as accurately capturing the potential impact of factors such as vehicle driving vibration, voltage fluctuation, temperature change, etc. on its charging stability and efficiency, thereby effectively reducing the occurrence rate of faults such as charging interruption and abnormal heating in actual use. At the same time, by identifying the key performance indicators in the component evaluation results, the present invention can make more targeted improvements and optimizations, and can more accurately grasp the advantages and disadvantages of the product, and provide a clear direction for further improving product quality. Secondly, it helps to reasonably allocate resources, concentrate limited energy and costs on improving key performance indicators, and improve resource utilization efficiency. Based on the integrated data, the present invention analyzes the circuit working mode corresponding to the vehicle-mounted power bank, and can deeply understand the circuit operation of the vehicle-mounted power bank under the influence of different environments, so as to better optimize the circuit design and improve its working efficiency and stability. It can accurately identify potential problems that may exist in the circuit, such as risks such as overload and short circuit, take preventive measures in advance, and ensure the safe use of the vehicle-mounted power bank. In addition, it helps to adjust the circuit working mode according to actual needs to achieve better charging effect and energy utilization efficiency. The present invention determines the functional optimization direction corresponding to the vehicle-mounted power bank based on the charging efficiency value, which can clarify the actual performance of the vehicle-mounted power bank in terms of power conversion and transmission, and can directly point to the functional modules that may have problems. For example, if it is found that the power loss is large under a specific current output, the power management module can be optimized in a targeted manner, which helps to reduce blind attempts in the research and development process and save time and cost. Further, the present invention configures the charging parameters corresponding to the vehicle-mounted power bank based on the endurance value, which can achieve accurate charging. The charging parameters are reasonably set according to the endurance, which can ensure that the power bank reaches the best charging state without overcharging or overdischarging, thereby ensuring the stable power supply of electronic equipment. Therefore, the functional testing method and system based on the vehicle-mounted power bank proposed by the present invention can improve the charging quality of the vehicle-mounted power bank in a vehicle environment.

[0093] Example 2 like Figure 2 FIG. 1 is a schematic diagram of a module of a function test system based on a vehicle-mounted power bank provided by an embodiment of the present invention.

[0094] The functional test system 200 based on the vehicle power bank of the present invention can be installed in an electronic device. According to the functions to be implemented, the functional test system 200 based on the vehicle power bank can include a performance evaluation module 201, a data integration module 202, an efficiency value calculation module 203, a capability value calculation module 204 and a report generation module 205. The module of the present invention can also be referred to as a unit, which refers to a series of computer program segments that can be executed by an electronic device processor and can complete fixed functions, which are stored in the memory of the electronic device.

[0095] In this embodiment, the functions of each module / unit are as follows: The performance evaluation module 201 is used to obtain the functional test requirements of the vehicle-mounted power bank, analyze the performance parameters corresponding to the vehicle-mounted power bank based on the functional test requirements, query the components corresponding to the vehicle-mounted power bank based on the performance parameters, perform performance evaluation on the components, and obtain component evaluation results; A data integration module 202 is used to identify key performance indicators in the component evaluation results, query the working environment conditions of the vehicle-mounted power bank based on the key performance indicators, collect environmental influencing factors in the working environment conditions, and integrate the environmental influencing factors to obtain integrated data; The efficiency value calculation module 203 is used to analyze the circuit working mode corresponding to the vehicle-mounted power bank based on the integrated data, determine the current output characteristics corresponding to the vehicle-mounted power bank based on the circuit working mode, and calculate the charging efficiency value corresponding to the vehicle-mounted power bank according to the current output characteristics, wherein the charging efficiency value corresponding to the vehicle-mounted power bank is calculated according to the current output characteristics, including: The charging efficiency value corresponding to the vehicle power bank is calculated using the following formula:

[0096] in, Indicates the charging efficiency value corresponding to the vehicle power bank, Indicates the total number of sampling points for current and voltage measurement data during the charging process. Indicates the number index of the sampling point. Indicated in The output current value at the sampling point is Indicated in The output voltage value at the sampling point is Indicated in The charging time corresponding to each sampling point is: represents the total number of current output characteristics, A quantitative index representing the current output characteristic, Indicates The inductance value corresponding to the current output characteristic; A capability value calculation module 204 is used to determine the function optimization direction corresponding to the vehicle-mounted power bank based on the charging efficiency value, analyze the battery capacity characteristics corresponding to the vehicle-mounted power bank based on the function optimization direction, and calculate the endurance capability value corresponding to the vehicle-mounted power bank based on the battery capacity characteristics; The report generation module 205 is used to configure the charging parameters corresponding to the vehicle-mounted power bank based on the endurance value, extract the important function test points and test accuracy requirements in the charging parameters, monitor the real-time data during the test of the vehicle-mounted power bank based on the important function test points and the test accuracy requirements, and generate a function test report corresponding to the vehicle-mounted power bank based on the real-time data.

[0097] In detail, the modules described in the functional testing system 200 based on the vehicle-mounted power bank described in the embodiment of the present invention adopt the same technical means as the functional testing method based on the vehicle-mounted power bank described in the accompanying drawings when in use, and can produce the same technical effects, which will not be repeated here.

[0098] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

Claims

1. A functional testing method based on a vehicle-mounted power bank, characterized in that: The method comprises: Obtaining functional test requirements of the vehicle-mounted power bank, analyzing performance parameters corresponding to the vehicle-mounted power bank based on the functional test requirements, querying components corresponding to the vehicle-mounted power bank based on the performance parameters, performing performance evaluation on the components, and obtaining component evaluation results; Identify the key performance indicators in the component evaluation results, query the working environment conditions of the vehicle-mounted power bank based on the key performance indicators, collect environmental influencing factors in the working environment conditions, and integrate the environmental influencing factors to obtain integrated data; Based on the integrated data, the circuit operation mode corresponding to the vehicle-mounted power bank is analyzed; based on the circuit operation mode, the current output characteristics corresponding to the vehicle-mounted power bank are determined; and according to the current output characteristics, the charging efficiency value corresponding to the vehicle-mounted power bank is calculated, wherein the charging efficiency value corresponding to the vehicle-mounted power bank is calculated according to the current output characteristics, including: The charging efficiency value corresponding to the vehicle power bank is calculated using the following formula: in, Indicates the charging efficiency value corresponding to the vehicle power bank, Indicates the total number of sampling points for current and voltage measurement data during the charging process. Indicates the number index of the sampling point. Indicated in The output current value at the sampling point is Indicated in The output voltage value at the sampling point is Indicated in The charging time corresponding to each sampling point is: represents the total number of current output characteristics, A quantitative index representing the current output characteristic, Indicates The inductance value corresponding to the current output characteristic; Based on the charging efficiency value, determine the function optimization direction corresponding to the vehicle-mounted power bank, based on the function optimization direction, analyze the battery capacity characteristics corresponding to the vehicle-mounted power bank, and based on the battery capacity characteristics, calculate the endurance value corresponding to the vehicle-mounted power bank; Based on the endurance value, configure the charging parameters corresponding to the vehicle power bank, extract the important function test points and test accuracy requirements in the charging parameters, monitor the real-time data during the test of the vehicle power bank based on the important function test points and the test accuracy requirements, and generate a function test report corresponding to the vehicle power bank based on the real-time data.

2. A functional testing method based on a vehicle-mounted power bank as claimed in claim 1, characterized in that: The performing performance evaluation on the component to obtain component evaluation results includes: Performing functional tests on the components to obtain test data; Analyzing the functional performance in the detection data; Query the performance standard corresponding to the performance of the function; Comparing the functional performance with the performance standard to obtain a comparison result; Based on the comparison results, determining improvement measures corresponding to the component parts; According to the improvement measures, the performance of the component is evaluated to obtain component evaluation results.

3. A functional testing method based on a vehicle-mounted power bank as claimed in claim 1, characterized in that: The querying of the working environment conditions of the vehicle-mounted power bank based on the key performance indicators includes: Analyze the performance of indicators corresponding to the key performance indicators; Based on the performance of the indicator, determine the environmental impact factors corresponding to the vehicle-mounted power bank; Analyze the interaction between the environmental influencing factors; Based on the interaction relationship, determining the main influencing factors among the environmental influencing factors; Based on the main influencing factors, the working environment conditions of the vehicle-mounted power bank are queried.

4. A functional testing method based on a vehicle-mounted power bank as claimed in claim 1, characterized in that: The step of integrating the environmental influencing factors to obtain integrated data includes: Collecting original parameters corresponding to the environmental influencing factors; Analyze parameter changes corresponding to the original parameters; Extracting significant change points in the parameter change; Marking the significant change points to obtain marking features; Querying the impact degree value corresponding to the marking feature; The impact degree values ​​are summarized to obtain integrated data.

5. A functional testing method based on a vehicle-mounted power bank as claimed in claim 1, characterized in that: The determining, based on the charging efficiency value, a function optimization direction corresponding to the vehicle-mounted power bank includes: Determining an efficiency level corresponding to the charging efficiency value; Based on the efficiency level, calculating the efficiency difference corresponding to the charging efficiency value; Based on the efficiency difference, mark the performance weaknesses of the vehicle-mounted power bank; Query the key weak points corresponding to the performance weak links; Based on the key weaknesses, determine the functional optimization direction corresponding to the vehicle-mounted power bank.

6. A functional testing method based on a vehicle-mounted power bank as claimed in claim 5, characterized in that: The calculating, based on the efficiency level, the efficiency difference corresponding to the charging efficiency value includes: The efficiency difference corresponding to the charging efficiency value is calculated using the following formula: in, represents the efficiency difference corresponding to the charging efficiency value, Indicates the number of measurements corresponding to the charging efficiency value, An index indicating the number of measurements, Indicates The actual charge value measured. Indicates the number of types corresponding to the efficiency level, Indicates the type index corresponding to the efficiency level, Indicates The actual efficiency value corresponding to the efficiency level is Indicates The weight coefficient corresponding to each efficiency level.

7. A functional testing method based on a vehicle-mounted power bank as claimed in claim 1, characterized in that: The analyzing the battery capacity characteristics corresponding to the vehicle-mounted power bank based on the function optimization direction includes: Based on the function optimization direction, determine the test scenario corresponding to the vehicle power bank; Performing a simulation test on the test scenario to obtain scenario simulation parameters; Based on the scenario simulation parameters, setting a capacity reference index corresponding to the vehicle-mounted power bank; Based on the capacity reference index, the battery capacity characteristics corresponding to the vehicle-mounted power bank are analyzed.

8. A functional testing method based on a vehicle-mounted power bank as claimed in claim 1, characterized in that: The calculating the endurance value corresponding to the vehicle-mounted power bank based on the battery capacity characteristic includes: The battery life value corresponding to the vehicle power bank is calculated using the following formula: in, Indicates the endurance value corresponding to the vehicle power bank, Indicates the number of different battery capacity characteristic states, An index representing the battery capacity characteristic status, Indicated in The available battery capacity under the battery capacity characteristic state, Indicated in The energy conversion efficiency of the battery under the characteristic state of capacity, The number of scenarios representing the power consumption scenarios, Indicates the number index of power consumption scenarios, Indicated in The average power consumption under the power consumption scenarios, Indicated in The estimated usage time under various power consumption scenarios, Indicates the number of internal loss factors corresponding to the vehicle-mounted power bank, represents the quantitative index of internal loss factors, Indicates The relevant factor values ​​of the internal loss factors.

9. A functional testing method based on a vehicle-mounted power bank as claimed in claim 1, characterized in that: The configuring the charging parameters corresponding to the vehicle-mounted power bank based on the endurance value includes: Analyzing the battery capacity information corresponding to the endurance value; Based on the battery capacity information, determining a preliminary current range corresponding to the vehicle-mounted power bank; Matching the preliminary current range to the usage scenario corresponding to the vehicle-mounted power bank to obtain scenario matching data; Extracting key matching factors from the scene matching data; Based on the key matching factors, the charging parameters corresponding to the vehicle-mounted power bank are determined.

10. A functional testing system based on a vehicle-mounted power bank, characterized in that: The system is used to perform a functional testing method based on a vehicle-mounted power bank as described in any one of claims 1 to 9, and comprises: A performance evaluation module, used to obtain the functional test requirements of the vehicle-mounted power bank, analyze the performance parameters corresponding to the vehicle-mounted power bank based on the functional test requirements, query the components corresponding to the vehicle-mounted power bank based on the performance parameters, perform performance evaluation on the components, and obtain component evaluation results; A data integration module, used to identify key performance indicators in the component evaluation results, query the working environment conditions of the vehicle-mounted power bank based on the key performance indicators, collect environmental influencing factors in the working environment conditions, and integrate the environmental influencing factors to obtain integrated data; The efficiency value calculation module is used to analyze the circuit working mode corresponding to the vehicle-mounted power bank based on the integrated data, determine the current output characteristics corresponding to the vehicle-mounted power bank based on the circuit working mode, and calculate the charging efficiency value corresponding to the vehicle-mounted power bank according to the current output characteristics, wherein the charging efficiency value corresponding to the vehicle-mounted power bank is calculated according to the current output characteristics, including: The charging efficiency value corresponding to the vehicle power bank is calculated using the following formula: in, Indicates the charging efficiency value corresponding to the vehicle power bank, Indicates the total number of sampling points for current and voltage measurement data during the charging process. Indicates the number index of the sampling point. Indicated in The output current value at the sampling point is Indicated in The output voltage value at the sampling point is Indicated in The charging time corresponding to each sampling point is: represents the total number of current output characteristics, A quantitative index representing the current output characteristic, Indicates The inductance value corresponding to the current output characteristic; A capacity value calculation module, used to determine the function optimization direction corresponding to the vehicle-mounted power bank based on the charging efficiency value, analyze the battery capacity characteristics corresponding to the vehicle-mounted power bank based on the function optimization direction, and calculate the endurance capacity value corresponding to the vehicle-mounted power bank based on the battery capacity characteristics; A report generation module is used to configure the charging parameters corresponding to the vehicle power bank based on the endurance value, extract the important function test points and test accuracy requirements in the charging parameters, monitor the real-time data during the test of the vehicle power bank based on the important function test points and the test accuracy requirements, and generate a function test report corresponding to the vehicle power bank based on the real-time data.

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