New energy automobile motor EOL test system

By designing an automated new energy vehicle motor EOL test system, using sensor modules, control and processing modules and software system modules, the problem of low efficiency caused by traditional testing systems relying on manual operations is solved, and an efficient and automated test process is realized, which significantly improves production efficiency and product quality.

CN119805211APending Publication Date: 2025-04-11SUZHOU PANKE MEASUREMENT & CONTROL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202411873299.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

Traditional motor EOL testing systems rely on manual operation, resulting in low testing efficiency and difficult to meet the needs of large-scale production.

Method used

A new energy vehicle motor EOL test system was designed, including sensor module, control and processing module, and software system module. The sensor module collects data in real time through temperature, current, voltage, speed and vibration sensors, the control and processing module processes and controls the test process through the central controller and the data acquisition system, and the software system module analyzes and reports through the test software and data management system.

Benefits of technology

Through automated testing processes, the test time is greatly shortened and the efficiency of the production line is improved. The system can support parallel testing of multiple motors, which significantly improves the overall efficiency and product quality of the test.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of EOL test systems, and discloses a new energy automobile motor EOL test system, which comprises a sensor module, a control and processing module and a software system module, and is characterized in that the sensor module comprises a temperature sensor, a current sensor, a voltage sensor, a rotating speed sensor and a vibration sensor; the control and processing module comprises a data acquisition system, a central controller and a human-computer interface, the software system module comprises test software and a data management system, and the temperature sensor is used for measuring the temperature of the motor in the operation process, ensuring that the temperature of the motor is within a safe range and preventing damage caused by overheating. By means of the automatic testing process, the testing time is greatly shortened, the system can continuously and automatically execute multiple tests, manual intervention is reduced, and therefore the effects that through parallel processing and multi-task scheduling, resource utilization is optimized, and the testing waiting time of a single motor is shortened can be achieved.
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Description

Technical Field

[0001] The present invention relates to the technical field of EOL test systems, and in particular to an EOL test system for a motor of a new energy vehicle. Background Art

[0002] New energy vehicle motors refer to electric motors used in new energy vehicles (such as electric vehicles, plug-in hybrid vehicles, etc.). They are an important part of the power system of new energy vehicles and are responsible for converting electrical energy into mechanical energy to drive the vehicle. The EOL (End of Line) test system refers to a system that performs final quality inspection and performance testing on motors at the end of the production line. This system ensures that every motor leaving the factory meets design specifications and quality standards, and is an important part of ensuring product quality.

[0003] Traditional motor EOL test systems rely on manual operation, and the test steps are cumbersome and error-prone. The need for manual intervention leads to low test efficiency and makes it difficult to meet the needs of large-scale production. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a new energy vehicle motor EOL test system, which solves the problem that the traditional motor EOL test system relies on manual operation, resulting in low test efficiency and difficulty in meeting the needs of large-scale production.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a new energy vehicle motor EOL test system, including a sensor module, a control and processing module, and a software system module. The sensor module includes a temperature sensor, a current sensor, a voltage sensor, a speed sensor, and a vibration sensor. The control and processing module includes a data acquisition system, a central controller, and a human-machine interface. The software system module includes test software and a data management system. The temperature sensor is used to measure the temperature of the motor during operation to ensure that the temperature of the motor is within a safe range and prevent damage caused by overheating. The temperature sensor components include thermocouples, thermistors, and infrared temperature sensors. The thermocouple uses the thermoelectric effect to measure temperature, which is suitable for high temperature environments, has a fast response speed, and is high in precision. The thermistor measures temperature through the characteristic that the resistance value changes with temperature, which is suitable for medium and low temperature environments, with high precision. The infrared temperature sensor measures temperature through infrared rays, a non-contact measurement method, and is suitable for parts that cannot be directly contacted. The temperature sensor is installed inside the motor winding to monitor the winding temperature to prevent the winding from being damaged by overheating. It is installed at the motor bearing to monitor the bearing temperature to prevent lubrication failure caused by overheating of the bearing. It is installed on the surface of the motor housing to monitor the overall temperature of the motor to ensure a safe operating environment.

[0006] Preferably, the current sensor is used to measure the input current and output current of the motor and monitor the current characteristics of the motor. The current sensor includes a Hall effect sensor and a shunt. The Hall effect sensor measures current through the Hall effect and is suitable for DC and AC currents, with high accuracy and fast response speed. The shunt calculates the current by measuring the voltage drop across the resistor and is suitable for large current measurement, with a simple structure and low cost. The current sensor is installed at the output end of the power supply device to measure the input current of the motor, and is installed at the input end of the load device to measure the output current of the motor.

[0007] Preferably, the voltage sensor is used to measure the input voltage and output voltage of the motor and monitor the voltage characteristics of the motor. The voltage sensor includes a voltage divider and a capacitive voltage divider. The voltage is measured through a voltage divider resistor, which is suitable for high voltage measurement, has a simple structure and low cost. The capacitive voltage divider measures the voltage through capacitive voltage division, which is suitable for high-frequency voltage measurement, has a fast response speed and high accuracy. The voltage sensor is installed at the output end of the power supply device to measure the input voltage of the motor, and is installed at the input end of the load device to measure the output voltage of the motor.

[0008] Preferably, the speed sensor is used to measure the speed of the motor and monitor the speed characteristics of the motor. The speed sensor includes a photoelectric speed sensor and a magnetoelectric speed sensor. The photoelectric speed sensor measures the speed through the photoelectric effect, is suitable for high-precision speed measurement, and has a fast response speed. The magnetoelectric speed sensor measures the speed through the magnetoelectric effect, is suitable for high-speed measurement, has a simple structure, and is low cost. The speed sensor is installed on the rotating shaft of the motor to directly measure the speed of the motor.

[0009] Preferably, the vibration sensor is used to measure the vibration during the operation of the motor to ensure that the vibration is within an allowable range and prevent damage to the motor caused by excessive vibration. The vibration sensor includes an acceleration sensor and a velocity sensor. The acceleration sensor calculates the vibration amplitude by measuring acceleration and is suitable for high-precision vibration measurement. The velocity sensor calculates the vibration amplitude by measuring the vibration velocity and is suitable for medium and low frequency vibration measurement. The vibration sensor is installed on the housing of the motor to monitor the overall vibration of the motor. The vibration sensor is installed on the bearing seat of the motor to monitor the vibration of the bearing.

[0010] Preferably, the data acquisition system is used to collect data from each sensor in real time and perform preliminary processing to ensure the accuracy and timeliness of the data. The data acquisition system includes a data acquisition card, a signal conditioning module, and a data transmission module. The data acquisition card is used to collect and convert multi-channel signals and has a high sampling rate and high resolution to ensure the integrity and accuracy of the signal. The signal conditioning module is used to amplify, filter and isolate the sensor signal to ensure the stability and reliability of the signal. The data transmission module is used to transmit the collected data to the central controller using USB, Ethernet or CAN high-speed data bus. The data acquisition system includes multi-channel data acquisition: simultaneously collecting multiple sensor signals such as temperature, current, voltage, speed and vibration to ensure the comprehensiveness of the test data, signal conditioning and processing: amplifying, filtering and isolating the collected signals to ensure the stability and accuracy of the signals, and high-speed data transmission: transmitting the processed data to the central controller through the high-speed data bus to ensure the real-time nature of the data.

[0011] Preferably, the central controller is the "brain" of the EOL test system, responsible for receiving and processing data from the data acquisition system, executing the test control algorithm, and managing the test process. The central controller includes an industrial computer: a high-performance industrial computer that supports real-time operating systems and has powerful data processing and control capabilities. An embedded controller: a compact embedded system suitable for applications with limited space, with high reliability and low power consumption. An interface module: used to connect the data acquisition system, human-machine interface and other external devices, including USB, Ethernet, and CAN interfaces. The central controller is used for data processing: receiving data transmitted by the data acquisition system, performing real-time processing and analysis, and calculating various test indicators. Test control: controlling various operations in the test process, such as starting, stopping, and load adjustment, according to preset test procedures and parameters. Alarm and diagnosis: real-time monitoring of abnormal conditions in the test process, fault diagnosis, and issuing alarm signals to prompt operators to take measures.

[0012] Preferably, the human-machine interface is used to provide an interactive interface between the operator and the test system, and to display the test results and system status. The human-machine interface includes a touch screen, an industrial display, and an input device. The touch screen uses an industrial-grade touch screen, supports multi-touch and gesture operations, and provides an intuitive operation interface. The industrial display uses a high-resolution industrial display, which is suitable for complex graphic display and data visualization. The input device includes a keyboard and a mouse to assist the operator in data input and system settings. The human-machine interface is used to display real-time test data, test results, and system status, and provides an intuitive graphic and data interface. The operator starts, stops, and adjusts parameters of the test process through the touch screen or input device.

[0013] Preferably, the test software is the core application of the EOL test system, responsible for controlling the test process, executing the test program, recording and analyzing the test data. The test software includes a test process management module, a data processing and analysis module, and a report generation module. The test process management module is used to define and manage the test process, including test steps, test parameters and test conditions. The data processing and analysis module processes and analyzes the collected data, calculates various test indicators, and generates a test report. The report generation module generates a detailed test report based on the test data and analysis results, provides data support and decision-making basis, and the test software includes automatically executing various test operations according to preset test processes and parameters to ensure the accuracy and consistency of the test, recording various data in the test process in real time, analyzing and processing the data, calculating various performance indicators of the motor, and generating a detailed test report based on the test data and analysis results to provide data support and help judge the quality and performance of the motor.

[0014] Preferably, the data management system is used to store and manage test data, provide data query and statistical analysis functions, and ensure the security and traceability of data. The data management system includes a database system, a data backup and recovery module, and a permission management module. The database system is used to store test data and test reports, and supports classified storage and fast query of data. The data backup and recovery module is used to regularly back up test data, ensure the security and integrity of data, support data recovery and recovery of test records. The permission management module is used to manage user access rights, ensure the security and confidentiality of data, and prevent unauthorized access and operation. The data management system is used to store and manage various data and test reports in the test process, provide fast data query and retrieval functions, regularly back up test data, prevent data loss, support data recovery, ensure the integrity of test records, perform statistical analysis on test data, generate data reports, and provide data support and decision-making basis.

[0015] The present invention provides a new energy vehicle motor EOL test system. It has the following beneficial effects:

[0016] 1. The present invention greatly shortens the test time and improves the efficiency of the production line through an automated test process. The system can continuously and automatically perform multiple tests, reducing manual intervention and significantly improving the overall efficiency of the test. The system supports parallel testing of multiple motors at the same time, further improving the test capacity and efficiency, thereby achieving the effect of optimizing resource utilization and reducing the test waiting time of a single motor through parallel processing and multi-task scheduling.

[0017] 2. The present invention conducts comprehensive tests on multiple indicators such as the voltage, current, speed, temperature and vibration of the motor to ensure that the performance of the motor under various working conditions meets the design requirements. Comprehensive performance testing can effectively discover potential problems in the production process of the motor and ensure that every motor leaving the factory meets the quality standards, thereby achieving the effect of improving product quality and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the architecture of the new energy vehicle motor EOL test system of the present invention;

[0019] Figure 2 It is a schematic diagram of the sensor module architecture of the present invention;

[0020] Figure 3 It is a schematic diagram of the control and processing module architecture of the present invention;

[0021] Figure 4 It is a schematic diagram of the software system module architecture of the present invention;

[0022] Figure 5 It is a schematic diagram of the data acquisition system architecture of the present invention;

[0023] Figure 6 It is a schematic diagram of the human-machine interface architecture of the present invention. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Please see attached Figure 1 - Attachment Figure 6The embodiment of the present invention provides a new energy vehicle motor EOL test system, including a sensor module, a control and processing module, and a software system module. The sensor module includes a temperature sensor, a current sensor, a voltage sensor, a speed sensor, and a vibration sensor. The control and processing module includes a data acquisition system, a central controller, and a human-machine interface. The software system module includes a test software and a data management system. The temperature sensor is used to measure the temperature of the motor during operation to ensure that the temperature of the motor is within a safe range and prevent damage caused by overheating. The temperature sensor components include thermocouples, thermistors, and infrared temperature sensors. The thermocouple uses the thermoelectric effect to measure temperature, which is suitable for high temperature environments, has a fast response speed, and is high in precision. The thermistor measures temperature through the characteristic that the resistance value changes with temperature, which is suitable for medium and low temperature environments, with high precision. The infrared temperature sensor measures temperature through infrared rays, a non-contact measurement method, and is suitable for parts that cannot be directly contacted. The temperature sensor is installed inside the motor winding to monitor the winding temperature to prevent the winding from being damaged by overheating. It is installed at the motor bearing to monitor the bearing temperature to prevent the bearing from being overheated and causing lubrication failure. It is installed on the surface of the motor housing to monitor the overall temperature of the motor to ensure a safe operating environment.

[0026] Current sensors are used to measure the input current and output current of the motor and monitor the current characteristics of the motor. Current sensors include Hall effect sensors and shunts. Hall effect sensors measure current through the Hall effect and are suitable for DC and AC currents. They have high accuracy and fast response speed. Shunts calculate current by measuring the voltage drop across a resistor and are suitable for large current measurement. They have a simple structure and low cost. Current sensors are installed at the output end of the power supply device to measure the input current of the motor and are installed at the input end of the load device to measure the output current of the motor.

[0027] The voltage sensor is used to measure the input voltage and output voltage of the motor and monitor the voltage characteristics of the motor. The voltage sensor includes a voltage divider and a capacitive voltage divider. The voltage is measured through a voltage divider resistor and is suitable for high voltage measurement. It has a simple structure and low cost. The capacitive voltage divider measures the voltage through a capacitive voltage divider and is suitable for high-frequency voltage measurement. It has a fast response speed and high accuracy. The voltage sensor is installed at the output end of the power supply device to measure the input voltage of the motor and is installed at the input end of the load device to measure the output voltage of the motor.

[0028] The speed sensor is used to measure the speed of the motor and monitor the speed characteristics of the motor. The speed sensor includes photoelectric speed sensor and magnetoelectric speed sensor. The photoelectric speed sensor measures the speed through the photoelectric effect, which is suitable for high-precision speed measurement and has a fast response speed. The magnetoelectric speed sensor measures the speed through the magnetoelectric effect, which is suitable for high-speed measurement, has a simple structure and low cost. The speed sensor is installed on the motor shaft to directly measure the speed of the motor.

[0029] Vibration sensors are used to measure the vibration of the motor during operation to ensure that the vibration is within the allowable range and prevent damage to the motor due to excessive vibration. Vibration sensors include accelerometers and velocity sensors. Accelerometers calculate the vibration amplitude by measuring acceleration and are suitable for high-precision vibration measurement. Velocity sensors calculate the vibration amplitude by measuring vibration velocity and are suitable for medium and low frequency vibration measurement. Vibration sensors are installed on the motor casing to monitor the overall vibration of the motor. Vibration sensors are installed on the bearing seat of the motor to monitor the vibration of the bearing.

[0030] The data acquisition system is used to collect data from each sensor in real time and perform preliminary processing to ensure the accuracy and timeliness of the data. The data acquisition system includes a data acquisition card, a signal conditioning module, and a data transmission module. The data acquisition card is used to collect and convert multiple signals. It has a high sampling rate and high resolution to ensure the integrity and accuracy of the signal. The signal conditioning module is used to amplify, filter and isolate the sensor signal to ensure the stability and reliability of the signal. The data transmission module is used to transmit the collected data to the central controller using USB, Ethernet or CAN high-speed data bus. The data acquisition system includes multi-channel data acquisition: simultaneous collection of multiple sensor signals such as temperature, current, voltage, speed and vibration to ensure the comprehensiveness of the test data, signal conditioning and processing: amplify, filter and isolate the collected signals to ensure the stability and accuracy of the signals, and high-speed data transmission: the processed data is transmitted to the central controller through the high-speed data bus to ensure the real-time nature of the data.

[0031] The central controller is the "brain" of the EOL test system, responsible for receiving and processing data from the data acquisition system, executing the test control algorithm, and managing the test process. The central controller includes an industrial computer: a high-performance industrial computer that supports real-time operating systems and has powerful data processing and control capabilities. An embedded controller: a compact embedded system suitable for applications with limited space, with high reliability and low power consumption. Interface modules: used to connect data acquisition systems, human-machine interfaces, and other external devices, including USB, Ethernet, and CAN interfaces. The central controller is used for data processing: receiving data transmitted by the data acquisition system, performing real-time processing and analysis, and calculating various test indicators. Test control: controlling various operations during the test process, such as starting, stopping, and load adjustment, according to the preset test process and parameters. Alarm and diagnosis: real-time monitoring of abnormal conditions during the test process, fault diagnosis, and issuing alarm signals to prompt operators to take measures.

[0032] The human-machine interface is used to provide an interactive interface between the operator and the test system, and to display the test results and system status. The human-machine interface includes a touch screen, an industrial display, and an input device. The touch screen uses an industrial-grade touch screen, supports multi-touch and gesture operations, and provides an intuitive operation interface. The industrial display uses a high-resolution industrial display, which is suitable for complex graphic display and data visualization. Input devices include a keyboard and a mouse to assist operators in data input and system settings. The human-machine interface is used to display real-time test data, test results, and system status, and provides an intuitive graphic and data interface. Operators use the touch screen or input devices to start, stop, and adjust parameters of the test process.

[0033] The test software is the core application of the EOL test system. It is responsible for controlling the test process, executing the test program, and recording and analyzing the test data. The test software includes a test process management module, a data processing and analysis module, and a report generation module. The test process management module is used to define and manage the test process, including test steps, test parameters, and test conditions. The data processing and analysis module processes and analyzes the collected data, calculates various test indicators, and generates test reports. The report generation module generates a detailed test report based on the test data and analysis results, and provides data support and decision-making basis. The test software includes automatically executing various test operations according to the preset test process and parameters to ensure the accuracy and consistency of the test, recording various data in the test process in real time, analyzing and processing the data, calculating various performance indicators of the motor, and generating a detailed test report based on the test data and analysis results to provide data support and help judge the quality and performance of the motor.

[0034] The data management system is used to store and manage test data, provide data query and statistical analysis functions, and ensure data security and traceability. The data management system includes a database system, a data backup and recovery module, and a permission management module. The database system is used to store test data and test reports, and supports classified storage and fast query of data. The data backup and recovery module is used to regularly back up test data to ensure data security and integrity, and supports data recovery and recovery of test records. The permission management module is used to manage user access rights, ensure data security and confidentiality, and prevent unauthorized access and operation. The data management system is used to store and manage various data and test reports during the test process, provide fast data query and retrieval functions, regularly back up test data to prevent data loss, support data recovery, ensure the integrity of test records, perform statistical analysis on test data, generate data reports, and provide data support and decision-making basis.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. New energy vehicle motor EOL test system, including sensor module, control and processing module, software system module, characterized in that: The sensor module includes a temperature sensor, a current sensor, a voltage sensor, a speed sensor, and a vibration sensor. The control and processing module includes a data acquisition system, a central controller, and a human-machine interface. The software system module includes a test software and a data management system. The temperature sensor is used to measure the temperature of the motor during operation to ensure that the temperature of the motor is within a safe range and prevent damage caused by overheating. The temperature sensor components include thermocouples, thermistors, and infrared temperature sensors. The thermocouple uses the thermoelectric effect to measure temperature, which is suitable for high temperature environments, has a fast response speed, and high precision. The thermistor measures temperature through the characteristic that the resistance value changes with temperature, which is suitable for medium and low temperature environments, with high precision. The infrared temperature sensor measures temperature through infrared rays, a non-contact measurement method, and is suitable for parts that cannot be directly contacted. The temperature sensor is installed inside the motor winding to monitor the winding temperature to prevent the winding from being damaged by overheating. It is installed at the motor bearing to monitor the bearing temperature to prevent lubrication failure caused by overheating of the bearing. It is installed on the surface of the motor housing to monitor the overall temperature of the motor to ensure a safe operating environment.

2. The new energy vehicle motor EOL test system according to claim 1 is characterized in that: The current sensor is used to measure the input current and output current of the motor and monitor the current characteristics of the motor. The current sensor includes a Hall effect sensor and a shunt. The Hall effect sensor measures current through the Hall effect and is suitable for DC and AC currents, with high accuracy and fast response speed. The shunt calculates the current by measuring the voltage drop across the resistor and is suitable for large current measurement, with a simple structure and low cost. The current sensor is installed at the output end of the power supply device to measure the input current of the motor, and is installed at the input end of the load device to measure the output current of the motor.

3. The new energy vehicle motor EOL test system according to claim 1 is characterized in that: The voltage sensor is used to measure the input voltage and output voltage of the motor and monitor the voltage characteristics of the motor. The voltage sensor includes a voltage divider and a capacitive voltage divider. The voltage is measured through a voltage divider resistor, which is suitable for high voltage measurement, has a simple structure and low cost. The capacitive voltage divider measures the voltage through capacitive voltage division, which is suitable for high-frequency voltage measurement, has a fast response speed and high accuracy. The voltage sensor is installed at the output end of the power supply device to measure the input voltage of the motor, and is installed at the input end of the load device to measure the output voltage of the motor.

4. The new energy vehicle motor EOL test system according to claim 1 is characterized in that: The speed sensor is used to measure the speed of the motor and monitor the speed characteristics of the motor. The speed sensor includes a photoelectric speed sensor and a magnetoelectric speed sensor. The photoelectric speed sensor measures the speed through the photoelectric effect, is suitable for high-precision speed measurement, and has a fast response speed. The magnetoelectric speed sensor measures the speed through the magnetoelectric effect, is suitable for high-speed measurement, has a simple structure, and is low in cost. The speed sensor is installed on the rotating shaft of the motor to directly measure the speed of the motor.

5. The new energy vehicle motor EOL test system according to claim 1 is characterized in that: The vibration sensor is used to measure the vibration during the operation of the motor to ensure that the vibration is within the allowable range and prevent excessive vibration from causing damage to the motor. The vibration sensor includes an acceleration sensor and a velocity sensor. The acceleration sensor calculates the vibration amplitude by measuring the acceleration and is suitable for high-precision vibration measurement. The velocity sensor calculates the vibration amplitude by measuring the vibration velocity and is suitable for medium and low frequency vibration measurement. The vibration sensor is installed on the motor housing to monitor the overall vibration of the motor. The vibration sensor is installed on the bearing seat of the motor to monitor the vibration of the bearing.

6. The new energy vehicle motor EOL test system according to claim 1 is characterized in that: The data acquisition system is used to collect data from each sensor in real time and perform preliminary processing to ensure the accuracy and timeliness of the data. The data acquisition system includes a data acquisition card, a signal conditioning module, and a data transmission module. The data acquisition card is used to collect and convert multi-channel signals and has a high sampling rate and high resolution to ensure the integrity and accuracy of the signal. The signal conditioning module is used to amplify, filter and isolate the sensor signal to ensure the stability and reliability of the signal. The data transmission module is used to transmit the collected data to the central controller using USB, Ethernet or CAN high-speed data bus. The data acquisition system includes multi-channel data acquisition: simultaneously collecting multiple sensor signals such as temperature, current, voltage, speed and vibration to ensure the comprehensiveness of the test data, signal conditioning and processing: amplifying, filtering and isolating the collected signals to ensure the stability and accuracy of the signals, and high-speed data transmission: transmitting the processed data to the central controller through the high-speed data bus to ensure the real-time nature of the data.

7. The new energy vehicle motor EOL test system according to claim 1 is characterized in that: The central controller is the "brain" of the EOL test system, responsible for receiving and processing data from the data acquisition system, executing the test control algorithm, and managing the test process. The central controller includes an industrial computer: a high-performance industrial computer that supports real-time operating systems and has powerful data processing and control capabilities. An embedded controller: a compact embedded system suitable for applications with limited space, with high reliability and low power consumption. An interface module: used to connect the data acquisition system, human-machine interface and other external devices, including USB, Ethernet, and CAN interfaces. The central controller is used for data processing: receiving data transmitted by the data acquisition system, performing real-time processing and analysis, and calculating various test indicators. Test control: controlling various operations during the test process, such as starting, stopping, and load adjustment, according to preset test procedures and parameters. Alarm and diagnosis: real-time monitoring of abnormal conditions during the test process, fault diagnosis, and issuing alarm signals to prompt operators to take measures.

8. The new energy vehicle motor EOL test system according to claim 1 is characterized in that: The human-machine interface is used to provide an interactive interface between the operator and the test system, and to display the test results and system status. The human-machine interface includes a touch screen, an industrial display, and an input device. The touch screen uses an industrial-grade touch screen, supports multi-touch and gesture operations, and provides an intuitive operation interface. The industrial display uses a high-resolution industrial display, which is suitable for complex graphic display and data visualization. The input device includes a keyboard and a mouse to assist the operator in data input and system settings. The human-machine interface is used to display real-time test data, test results, and system status, and provides an intuitive graphic and data interface. The operator starts, stops, and adjusts parameters of the test process through the touch screen or input device.

9. The new energy vehicle motor EOL test system according to claim 1 is characterized in that: The test software is the core application of the EOL test system, which is responsible for controlling the test process, executing the test program, and recording and analyzing the test data. The test software includes a test process management module, a data processing and analysis module, and a report generation module. The test process management module is used to define and manage the test process, including test steps, test parameters and test conditions. The data processing and analysis module processes and analyzes the collected data, calculates various test indicators, and generates a test report. The report generation module generates a detailed test report based on the test data and analysis results, provides data support and decision-making basis, and the test software includes automatically executing various test operations according to preset test processes and parameters to ensure the accuracy and consistency of the test, recording various data in the test process in real time, analyzing and processing the data, calculating various performance indicators of the motor, and generating a detailed test report based on the test data and analysis results to provide data support and help judge the quality and performance of the motor.

10. The new energy vehicle motor EOL test system according to claim 1, characterized in that: The data management system is used to store and manage test data, provide data query and statistical analysis functions, and ensure the security and traceability of data. The data management system includes a database system, a data backup and recovery module, and a permission management module. The database system is used to store test data and test reports, and supports classified storage and fast query of data. The data backup and recovery module is used to regularly back up test data, ensure the security and integrity of data, support data recovery and recovery of test records. The permission management module is used to manage user access rights, ensure the security and confidentiality of data, and prevent unauthorized access and operation. The data management system is used to store and manage various data and test reports in the test process, provide fast data query and retrieval functions, regularly back up test data, prevent data loss, support data recovery, ensure the integrity of test records, perform statistical analysis on test data, generate data reports, and provide data support and decision-making basis.