Energy-saving solid-state battery testing mechanism and testing method thereof

By integrating control monitoring modules, battery loading modules and current voltage measurement modules in solid-state battery testing mechanisms, real-time monitoring and dynamic adjustment of the test process is achieved, and the inaccurate and low credibility of the test results in the existing technology are solved. Problem, improving the accuracy of battery performance and safety testing.

CN118169581BActive Publication Date: 2024-12-20HUNAN LUOLIU INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202410281425.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2024-12-20
Estimated Expiration
2044-05-06

AI Technical Summary

Technical Problem

The existing solid-state battery testing institutions are unable to realize real-time monitoring and dynamic adjustment of the test process, test battery stability, safety test under extreme conditions and real-time testing of current and voltage, resulting in inaccurate test results and low reliability.

Method used

An energy-saving solid-state battery testing mechanism including control monitoring module, battery loading module, current voltage measurement module, cycle stability testing module and battery safety testing module was designed, and an automatic control system, a remote monitoring control system and data storage backup were used. The system integrates PLC, industrial Internet module, Hall effect sensor, PID temperature control algorithm, cyclic charge and discharge control unit and fault detection alarm unit to realize real-time parameter monitoring and dynamic adjustment, current and voltage measurement, cyclic stability and safety testing.

Benefits of technology

Real-time monitoring and dynamic adjustment of the test process are realized, the stability and accuracy of the test are improved, and the changes in battery performance and safety hazards can be discovered in advance, providing in-depth analysis of battery performance and reliable data.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The present invention discloses an energy-saving solid-state battery testing mechanism and a testing method thereof, which relates to the field of battery testing technology, and includes a control monitoring module, wherein the control monitoring module is used to perform real-time parameter monitoring and adaptive remote control of the testing process; the control monitoring module includes: an automatic control system, a remote monitoring control system, and a data storage backup system. The present invention realizes the real-time monitoring and dynamic adjustment functions of the testing process by installing a control monitoring module, solves the problem that dynamic adjustment cannot be performed according to real-time changing factors during the testing process, and improves the stability and accuracy of the test.
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Description

Technical Field

[0001] The present invention relates to the technical field of battery testing, and in particular to an energy-saving solid-state battery testing mechanism and a testing method thereof. Background Art

[0002] Test facilities are advanced equipment specially designed to evaluate and verify battery performance. Such facilities play a key role in the field of battery research and development, providing reliable performance data for the design, manufacture and application of solid-state batteries by simulating various working conditions and extreme situations.

[0003] However, existing testing organizations usually cannot do without integrated control monitoring such as current and voltage measurement, temperature control, cycle stability testing, and safety testing of batteries, and thus cannot fully and systematically evaluate the reliability, cycle life, power output, and safety performance of batteries. Testing organizations cannot provide key performance indicators for battery manufacturers, research institutions, and related industries through high-precision current and voltage measurements, cycle stability testing, and safety assessments, helping to promote the development and application of battery technology.

[0004] Therefore, it is very necessary for the present application to propose an energy-saving solid-state battery testing mechanism and a testing method thereof to solve the defects in the prior art.

[0005] 1. Patent document CN107422217B discloses a battery cell testing mechanism. The above patent has a simple structure and can balance the forces on the upper and lower surfaces of the battery cell when the battery cell is tested, thereby reducing the fragmentation rate of the battery cell. However, the above patent cannot realize the real-time monitoring and dynamic adjustment functions of the test process.

[0006] 2. Patent document CN114152400B discloses a battery puncture test mechanism and a test device. The above patent helps to reduce the overall cost of the feeding device and facilitates market promotion, but the above patent cannot realize the test function of battery stability.

[0007] 3. Patent document CN115113067B discloses a high-safety primary lithium-manganese battery extended testing mechanism. The above patent achieves high test efficiency and high test accuracy, and solves the problems of low test efficiency and single test flexibility. However, the above patent cannot realize the safety test function of the battery under extreme conditions.

[0008] 4. Patent document CN110058169B discloses a battery discharge detection mechanism and its testing equipment. The above patent can improve the stability during the detection operation, so that the detection positioning accuracy is high. At the same time, it can improve the efficiency of the detection process, but the above patent cannot realize the real-time testing function of the battery's current and voltage.

[0009] In summary, the above patent cannot realize the real-time monitoring and dynamic adjustment of the test process, the test function of battery stability, the safety test function of the battery under extreme conditions, and the real-time test function of the battery current and voltage, resulting in the inability to dynamically adjust the test parameters, the inability to monitor the test process in real time, inaccurate test results, and incomplete and low test credibility;

[0010] To this end, the present application proposes an energy-saving solid-state battery testing mechanism and a testing method thereof that can realize real-time monitoring and dynamic adjustment of the testing process, testing of battery stability, safety testing of the battery under extreme conditions, and real-time testing of the battery's current and voltage. Summary of the invention

[0011] The purpose of the present invention is to provide an energy-saving solid-state battery testing mechanism and a testing method thereof, so as to solve the technical problems proposed in the above-mentioned background technology that the real-time monitoring and dynamic adjustment functions of the testing process, the testing function of the battery stability, the safety testing function of the battery under extreme conditions of use and the real-time testing function of the battery current and voltage cannot be realized, resulting in the inability to dynamically adjust the test parameters, the inability to monitor the test process in real time, the inaccurate test results and the incomplete test with low credibility.

[0012] To achieve the above-mentioned object, the present invention provides the following technical solutions: an energy-saving solid-state battery testing mechanism, comprising a control monitoring module, wherein the control monitoring module is used for real-time parameter monitoring and adaptive remote control of the test process;

[0013] The control and monitoring module includes: an automatic control system, a remote monitoring control system and a data storage backup system;

[0014] The automatic control system integrates PLC and advanced control algorithms to control the fully automatic test process, and adopts an adaptive control strategy to dynamically adjust the test parameters according to the characteristics of the battery;

[0015] The remote monitoring and control system integrates an industrial Internet module, remotely monitors the test process through a cloud platform, and provides a remote control interface to adjust test parameters and monitoring status through the network;

[0016] The data backup storage system uses a high-speed, large-capacity solid-state hard drive to perform high-speed storage and read and write of test data, and is equipped with an automatic backup system to regularly back up data during the test process to a local server and cloud storage to ensure data security.

[0017] Preferably, the battery loading module is used to test and load the solid-state battery, and the battery loading module is connected to the control and monitoring module via a data signal line;

[0018] The battery loading module includes: a battery clamping device, a battery connecting device and a temperature control system;

[0019] The battery clamping device adopts electromagnetic clamping technology to firmly clamp the battery through electromagnetic force to avoid physical clamps from damaging the battery. It also uses an adaptive clamping force control algorithm to automatically adjust the clamping force according to the battery specifications to ensure clamping safety and reliability.

[0020] The battery connection device adopts a design that the spring pin is compatible with the battery polarity to ensure that the battery is connected to the test instrument correctly, and integrates capacitive contact technology to reduce contact resistance;

[0021] The temperature control system adopts PID temperature control algorithm, and ensures the accurate and stable temperature of the battery during the test through real-time temperature measurement and feedback control system, and uses thermocouple sensors to monitor the battery surface temperature in real time.

[0022] Preferably, a current and voltage measuring module is designed in the test mechanism, and the current and voltage measuring module is connected to the control and monitoring module through a data signal line, and the current and voltage measuring module is used to collect current and voltage measurement data of the battery;

[0023] The current and voltage measurement module includes: a current measurement device, a voltage measurement device and a data acquisition and processing unit;

[0024] The current measuring device uses a Hall effect sensor combined with digital signal processing technology to measure the battery current, and integrates a current sampling circuit to reduce the system's sensitivity to external electromagnetic interference;

[0025] The voltage measurement device uses a precision voltage reference source to ensure the accuracy and stability of voltage measurement, and integrates a differential amplifier to reduce the system's sensitivity to power supply fluctuations;

[0026] The data acquisition and processing unit uses a high-speed ADC to perform high-frequency sampling of the battery current and voltage, and uses a real-time data processing algorithm to filter and correct the collected data.

[0027] Preferably, a cycle stability test module is also designed in the test mechanism, and the cycle stability test module is connected to the control monitoring module through a data signal line, and the cycle stability test module is used to monitor and test the cycle charge and discharge stability of the battery and perform fault detection;

[0028] The cycle stability test module includes: a cycle charge and discharge control unit, a stability monitoring unit and a fault detection alarm unit;

[0029] The cyclic charge and discharge control unit integrates an advanced battery charge and discharge controller to support different charge and discharge rates and cycle times. The cyclic charge and discharge control unit adopts current feedback control and advanced battery management system to ensure the stability of the charge and discharge process;

[0030] The stability monitoring unit uses a high-speed temperature sensor to monitor the battery surface temperature in real time, adopts a temperature control algorithm to ensure the stability of the test environment, and integrates a high-frequency current and voltage sampling system to monitor the electrochemical reaction dynamics of the battery to ensure the accuracy of the cycle stability test;

[0031] The fault detection alarm unit uses current and voltage anomaly detection algorithms to detect abnormal conditions during battery testing in real time and trigger the alarm system. At the same time, it integrates an automatic power-off protection system to protect the battery from potential dangers.

[0032] Preferably, a cycle life test module is also designed in the cycle stability test module, and the cycle life test module is used to simulate and test the battery cycle life in real time;

[0033] The cycle life test module includes: high-speed cycle charge and discharge unit, data acquisition and analysis unit and temperature control monitoring unit;

[0034] The high-speed cycle charge and discharge unit integrates a high-frequency charge and discharge system, which simulates the high-intensity use of the battery through high-frequency charge and discharge. It adopts advanced battery cycle life test algorithms and controls the current and temperature to extend the test time to ensure the authenticity of the test.

[0035] The data acquisition and analysis unit uses a high-speed data acquisition card and an embedded real-time data processor to collect a large amount of data in real time and perform real-time analysis through a deep learning algorithm. The integrated cycle life model simulates and predicts the test results to improve the prediction accuracy.

[0036] The temperature control monitoring unit uses an adaptive temperature control algorithm to monitor the battery temperature in real time, and dynamically adjusts the current and temperature to ensure that the battery temperature during the test is within a reasonable range.

[0037] Preferably, a battery safety test module is also designed in the test mechanism, and the battery safety test module is connected to the control monitoring module through a data signal line, and the battery safety test module is used to perform safety performance test on the battery;

[0038] The battery safety test module includes: a short circuit test unit, an overcharge test unit and an over-discharge test unit;

[0039] The short-circuit test unit integrates a high-speed short-circuit detection system, which simulates battery short-circuit conditions through rapid power-off and current monitoring, and uses circuit breaker technology to quickly cut off the battery short circuit;

[0040] The overcharge test unit is equipped with an advanced battery overcharge protection system. It simulates battery overcharge conditions to observe the battery's reaction and behavior, and uses a battery overcharge protection algorithm to ensure that the battery will not be damaged by overcharge during the test.

[0041] The over-discharge test unit integrates a battery over-discharge protection system. It simulates battery over-discharge conditions to observe the battery's reaction and behavior, and uses a battery over-discharge protection algorithm to ensure that the battery will not be damaged by over-discharge during the test.

[0042] Preferably, the cycle life test module is also designed with an efficiency test module, and the efficiency test module is used to test and analyze the charge and discharge efficiency of the battery;

[0043] The efficiency test module includes: charging efficiency test unit, discharging efficiency test unit and data analysis report unit;

[0044] The charging efficiency test unit uses constant current charging technology combined with battery current characteristics to perform charging tests, and the integrated power analysis system monitors the power changes during battery charging in real time;

[0045] The discharge power test unit is equipped with an advanced battery discharge control system. It performs discharge tests on the battery by simulating different load conditions and uses a high-precision power meter to monitor the power changes during the battery discharge process in real time.

[0046] The data analysis report unit integrates data analysis software to generate detailed reports through real-time analysis of efficiency test results through deep learning algorithms, and provides correlation analysis between efficiency and temperature, current and voltage to optimize battery working conditions.

[0047] Preferably, the calculation formula of the PID control algorithm is as follows:

[0048]

[0049] Where u(t) is the output of the controller, e(t) is the current error, and Kp, Ki, and Kd are the adjustment coefficients of proportion, integration, and differentiation, respectively.

[0050] Preferably, the testing method comprises the following steps:

[0051] S1. Install the solid-state battery to be tested on the battery clamping device, ensure that it is firmly clamped, and use the battery connecting device to ensure that the battery is reliably connected to the test instrument;

[0052] S2, start the current measurement unit and the voltage measurement unit, use a high-precision current sensor to measure the current of the battery in real time, use a current amplifier, adjust the measurement range according to the battery specifications and test requirements, use a high-precision voltage measurement chip to measure the voltage of the battery in real time, equip it with a voltage amplifier, and adjust the measurement range to adapt to the voltage change of the battery;

[0053] S3, start the cycle stability test module, integrate the automatic cycle charge and discharge control system, use the programmable power supply, set the number and rate of cycle tests, equip with a high-precision temperature sensor to monitor the battery temperature in real time, and use a high-frequency current and voltage sampling system to monitor the electrochemical reaction dynamics of the battery;

[0054] S4. Start the power analysis system to monitor the power changes during the battery charging and discharging process in real time, analyze the power curve, peak power, average power and other parameters, evaluate the battery performance, use the cycle life model to simulate and predict the results of the cycle stability test, and evaluate the battery durability based on the life predicted by the model.

[0055] Preferably, the testing method further comprises the following steps:

[0056] S11, start the temperature control system, control the temperature of the battery near the set value, use the PID temperature control algorithm to monitor and adjust the temperature in real time to ensure the temperature stability;

[0057] S21, using a data acquisition and processing unit to collect current and voltage data in real time, and applying a real-time data processing algorithm to filter, correct and store the collected data;

[0058] S31, integrated fault detection system, real-time monitoring of abnormal conditions during the test process, equipped with alarm devices, timely response and recording of abnormal events;

[0059] S41. Use data analysis software to conduct in-depth analysis of current, voltage, temperature and other parameters, and generate test result reports, including performance indicators, curve graphs and trend analysis.

[0060] Compared with the prior art, the present invention has the following beneficial effects:

[0061] 1. The present invention realizes the real-time monitoring and dynamic adjustment function of the test process by installing a control monitoring module, solves the problem that the test process cannot be dynamically adjusted according to real-time changing factors, and improves the stability and accuracy of the test;

[0062] 2. The present invention realizes the test function of battery stability by installing a cycle stability test module, solves the performance degradation and capacity loss problems that occur during the cycle use of the battery, discovers the performance changes of the battery in the cycle work in advance, and provides data support for optimizing battery design;

[0063] 3. The present invention realizes the safety test function of the battery under extreme conditions by installing a battery safety test module, discovers the potential safety hazards of the battery under extreme conditions in advance, and provides safety assessment for the design and application of the battery;

[0064] 4. The present invention realizes the real-time testing function of the current and voltage of the battery by installing a current and voltage measurement module, provides accurate current and voltage data, provides a reliable basis for the in-depth analysis of battery performance, realizes high-precision monitoring of battery behavior, and improves the credibility of the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] Figure 1 Schematic diagram of the test workflow of the present invention. DETAILED DESCRIPTION

[0066] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments 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.

[0067] Example 1

[0068] See also Figure 1 , an embodiment provided by the present invention: an energy-saving solid-state battery testing mechanism, comprising a control monitoring module, the control monitoring module is used for real-time parameter monitoring and adaptive remote control of the test process;

[0069] The control and monitoring module includes: an automatic control system, a remote monitoring control system and a data storage backup system;

[0070] The automatic control system integrates PLC and advanced control algorithms to control the fully automatic test process, and adopts an adaptive control strategy to dynamically adjust the test parameters according to the characteristics of the battery;

[0071] The remote monitoring and control system integrates an industrial Internet module, remotely monitors the test process through a cloud platform, and provides a remote control interface to adjust test parameters and monitoring status through the network;

[0072] The data backup storage system uses a high-speed, large-capacity solid-state hard drive to store and read and write test data at high speed, and is equipped with an automatic backup system to regularly back up the data during the test to a local server and cloud storage to ensure data security;

[0073] Furthermore, before the test begins, the control system starts and initializes, calibrates and sets parameters for the test equipment. According to the test parameters input by the user or preset, the control system sets the number of cycles, cycle rate, temperature setting value, etc. of the battery test. The control system executes the preset automatic test process through the PLC, including current and voltage measurement, cyclic charge and discharge, temperature control, etc. Through real-time communication with the sensor, the control system monitors various parameters during the test and adjusts the test conditions in real time. If an abnormality is detected during the test, the control system will trigger the corresponding protection mechanism, such as emergency shutdown and alarm, to ensure the safety of the test equipment and the battery. According to the real-time monitored battery performance data, the control system uses an adaptive control algorithm to dynamically adjust the control parameters to optimize the test conditions. The control system establishes communication with the remote monitoring center or user interface through a network connection. The remote monitoring center can adjust the test parameters in real time, such as modifying the number of cycles, adjusting the temperature setting value, etc. The control system records the key parameters of the battery test process, such as current, voltage, temperature, number of cycles, etc. in real time, and stores historical test data for subsequent analysis, report generation and verification. The control system sets an automatic backup mechanism to regularly back up real-time records and historical data to the cloud or local server.

[0074] Example 2

[0075] See also Figure 1 , an embodiment provided by the present invention: an energy-saving solid-state battery testing mechanism, wherein the battery loading module is used to test and load the solid-state battery, and the battery loading module is connected to the control monitoring module through a data signal line;

[0076] The battery loading module includes: a battery clamping device, a battery connecting device and a temperature control system;

[0077] The battery clamping device adopts electromagnetic clamping technology to firmly clamp the battery through electromagnetic force to avoid physical clamps from damaging the battery. It also uses an adaptive clamping force control algorithm to automatically adjust the clamping force according to the battery specifications to ensure clamping safety and reliability.

[0078] The battery connection device adopts a design that the spring pin is compatible with the battery polarity to ensure that the battery is connected to the test instrument correctly, and integrates capacitive contact technology to reduce contact resistance;

[0079] The temperature control system adopts PID temperature control algorithm, and ensures the accurate and stable temperature of the battery during the test through real-time temperature measurement and feedback control system, and uses thermocouple sensors to monitor the battery surface temperature in real time;

[0080] Furthermore, the solid-state battery to be tested is placed at a designated position of the battery clamping device, and this is completed by an automatic conveyor belt, a robotic arm or manual method. Electromagnetic clamping technology is used to firmly clamp the battery through electromagnetic force to avoid damage to the battery by using physical clamps. An adaptive clamping force control algorithm is used to dynamically adjust the clamping force according to the battery specifications and characteristics to ensure the safety and reliability of the clamping. A design in which the spring pins are adapted to the battery polarity is used to ensure that the battery is correctly connected to the test instrument. Capacitor contact technology is integrated to improve the stability of the connection by reducing the contact resistance. A PID temperature control algorithm is used to ensure the accurate and stable temperature of the battery during the test through real-time temperature measurement and feedback control system. A thermocouple sensor is used to monitor the battery surface temperature in real time to ensure uniform temperature.

[0081] Example 3

[0082] See also Figure 1 , an embodiment provided by the present invention: an energy-saving solid-state battery testing mechanism, wherein a cycle stability testing module is further designed in the testing mechanism, the cycle stability testing module is connected to the control monitoring module through a data signal line, and the cycle stability testing module is used to monitor and test the cycle charge and discharge stability of the battery and perform fault detection;

[0083] The cycle stability test module includes: a cycle charge and discharge control unit, a stability monitoring unit and a fault detection alarm unit;

[0084] The cyclic charge and discharge control unit integrates an advanced battery charge and discharge controller to support different charge and discharge rates and cycle times. The cyclic charge and discharge control unit adopts current feedback control and advanced battery management system to ensure the stability of the charge and discharge process;

[0085] The stability monitoring unit uses a high-speed temperature sensor to monitor the battery surface temperature in real time, adopts a temperature control algorithm to ensure the stability of the test environment, and integrates a high-frequency current and voltage sampling system to monitor the electrochemical reaction dynamics of the battery to ensure the accuracy of the cycle stability test;

[0086] The fault detection alarm unit uses current and voltage anomaly detection algorithms to detect abnormal conditions during battery testing in real time and trigger the alarm system. At the same time, it integrates an automatic power-off protection system to protect the battery from potential dangers.

[0087] Furthermore, an advanced battery charge and discharge controller is integrated to allow the user to set the number and rate of cycle tests, and current feedback control is used to ensure that the current is within the set range to achieve precise charge and discharge control. The battery status, including voltage, current, temperature and other parameters, is monitored in real time. The cycle rate is adjusted according to the feedback information from the battery management system. A high-frequency temperature sensor is equipped to monitor the battery surface temperature in real time. An adaptive temperature control algorithm is used to dynamically adjust the test environment according to the temperature changes of the battery to ensure temperature stability. A high-frequency current and voltage sampling system is integrated to monitor the electrochemical reaction dynamics of the battery. According to the changes in the electrochemical reaction, the stability of the battery is evaluated in real time to detect any possible instability. The integrated fault detection system monitors the current and voltage during the battery test in real time. Once an abnormal situation is detected, the alarm system is triggered to remind the operator or system to handle it. In the event of a serious fault, the automatic power-off protection system is triggered to cut off the connection between the battery and the test system to ensure safety.

[0088] Example 4

[0089] See also Figure 1 , an embodiment provided by the present invention: an energy-saving solid-state battery testing mechanism, wherein a battery safety testing module is also designed in the testing mechanism, the battery safety testing module is connected to the control monitoring module through a data signal line, and the battery safety testing module is used to perform safety performance testing on the battery;

[0090] The battery safety test module includes: a short circuit test unit, an overcharge test unit and an over-discharge test unit;

[0091] The short-circuit test unit integrates a high-speed short-circuit detection system, which simulates battery short-circuit conditions through rapid power-off and current monitoring, and uses circuit breaker technology to quickly cut off the battery short circuit;

[0092] The overcharge test unit is equipped with an advanced battery overcharge protection system. It simulates battery overcharge conditions to observe the battery's reaction and behavior, and uses a battery overcharge protection algorithm to ensure that the battery will not be damaged by overcharge during the test.

[0093] The over-discharge test unit integrates a battery over-discharge protection system. It simulates battery over-discharge conditions to observe the battery's reaction and behavior, and uses a battery over-discharge protection algorithm to ensure that the battery will not be damaged by over-discharge during the test.

[0094] Furthermore, the short-circuit test unit is started to simulate the situation of a short circuit in the battery by controlling the short-circuit device, and the current change of the battery in the short-circuit state is monitored in real time. The integrated fault detection system is used to trigger the alarm system once an abnormal situation is detected, such as the current exceeding the safe range. The overcharge test unit is started to apply a voltage exceeding the normal working voltage to the battery to simulate the overcharge situation, and the voltage change of the battery in the overcharge state is monitored in real time. The integrated fault detection system is used to trigger the alarm system once an abnormal situation is detected, such as the voltage exceeding the safe range. The over-discharge test unit is started to put the battery in an over-discharge state by controlling the discharge device, and the voltage change of the battery in the over-discharge state is monitored in real time. The integrated fault detection system is used to trigger the alarm system once an abnormal situation is detected, such as the voltage being lower than the safe range. The key parameters during the short-circuit, over-charge and over-discharge tests, including voltage, current, etc., are recorded, and the test data are deeply analyzed using data analysis software to evaluate the battery's response under different states.

[0095] Example 5

[0096] See also Figure 1 , an embodiment provided by the present invention: an energy-saving solid-state battery testing mechanism, wherein a current and voltage measuring module is designed in the testing mechanism, the current and voltage measuring module is connected to the control and monitoring module through a data signal line, and the current and voltage measuring module is used to collect the measurement data of the current and voltage of the battery;

[0097] The current and voltage measurement module includes: a current measurement device, a voltage measurement device and a data acquisition and processing unit;

[0098] The current measuring device uses a Hall effect sensor combined with digital signal processing technology to measure the battery current, and integrates a current sampling circuit to reduce the system's sensitivity to external electromagnetic interference;

[0099] The voltage measurement device uses a precision voltage reference source to ensure the accuracy and stability of voltage measurement, and integrates a differential amplifier to reduce the system's sensitivity to power supply fluctuations;

[0100] The data acquisition and processing unit uses a high-speed ADC to perform high-frequency sampling of the battery current and voltage, and uses a real-time data processing algorithm to filter and correct the collected data;

[0101] Further, the parameters of the current measurement unit are set, including the measurement range, sampling frequency, etc., the current measurement unit is started, and the real-time monitoring of the current change of the battery is started. The current data is collected through a high-speed ADC (analog-to-digital converter) to ensure high-precision and high-frequency data collection. The parameters of the voltage measurement unit are set, including the measurement range, sampling frequency, etc., the voltage measurement unit is started, and the voltage of the battery is monitored in real time using a voltage sensor. The voltage data is collected through a high-speed ADC to ensure high-precision and high-frequency data collection. During the data collection stage, the current and voltage data are filtered, corrected and processed in real time. According to the real-time monitored current and voltage data, an adaptive control strategy is adopted to dynamically adjust the test parameters to ensure the accuracy of the test. The real-time recorded data is stored in a historical database for subsequent analysis and report generation.

[0102] Working principle: First, use the battery loading module to install the solid-state battery to be tested on the test platform. Through the connection device, ensure that the battery is connected normally with the current and voltage measurement modules, temperature control system and other test units of the test system. The user sets the parameters of the test system, including test type, number of cycles, temperature range, etc., and calibrates and checks each module such as the current and voltage measurement module and the temperature control system to ensure accuracy and reliability.

[0103] Then, the current and voltage of the battery are monitored in real time through the current and voltage measurement module. The temperature control system is used to maintain the battery temperature within the set range through the PID algorithm. The cycle stability test module is used to simulate the performance of the battery during multiple cycles of charge and discharge. The safety test module is used to simulate the response of the battery under extreme conditions (short circuit, overcharge, over discharge, etc.). The working status of each module during the test is monitored, and the test parameters are adjusted in real time to ensure the stability of the test. The integrated fault detection and processing system takes corresponding fault handling measures once an abnormal situation is detected, such as automatic power off and alarm.

[0104] Finally, the collected current and voltage data are filtered, corrected and processed in real time. The test data is deeply analyzed using data analysis software to evaluate the response and performance of the battery under different conditions. A test report is generated through the data analysis software, including test results, abnormal situation handling, battery performance evaluation, etc. Conclusions are drawn from the test results to provide valuable reference for battery design, production and application.

[0105] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An energy-saving solid-state battery testing mechanism, Features: It includes a control and monitoring module, which is used to perform real-time parameter monitoring and adaptive remote control of the test process; The control and monitoring module includes: an automatic control system, a remote monitoring control system and a data storage backup system; The automatic control system integrates PLC and advanced control algorithms to control the fully automatic test process, and adopts an adaptive control strategy to dynamically adjust the test parameters according to the characteristics of the battery; The remote monitoring and control system integrates an industrial Internet module, remotely monitors the test process through a cloud platform, and provides a remote control interface to adjust test parameters and monitoring status through the network; The data storage and backup system uses a high-speed, large-capacity solid-state hard drive to store and read and write test data at high speed, and is equipped with an automatic backup system to regularly back up the data during the test to a local server and cloud storage to ensure data security; The test mechanism is designed with a current and voltage measurement module, which is connected to the control and monitoring module through a data signal line, and is used to collect current and voltage measurement data of the battery; The current and voltage measurement module includes: a current measurement device, a voltage measurement device and a data acquisition and processing unit; The current measuring device uses a Hall effect sensor combined with digital signal processing technology to measure the battery current, and integrates a current sampling circuit to reduce the system's sensitivity to external electromagnetic interference; The voltage measurement device uses a precision voltage reference source to ensure the accuracy and stability of voltage measurement, and integrates a differential amplifier to reduce the system's sensitivity to power supply fluctuations; The data acquisition and processing unit uses a high-speed ADC to perform high-frequency sampling of the battery current and voltage, and uses a real-time data processing algorithm to filter and correct the collected data; The test mechanism is also designed with a cycle stability test module, which is connected to the control monitoring module through a data signal line, and is used to monitor and test the cycle charge and discharge stability of the battery and perform fault detection; The cycle stability test module includes: a cycle charge and discharge control unit, a stability monitoring unit and a fault detection alarm unit; The cyclic charge and discharge control unit integrates an advanced battery charge and discharge controller to support different charge and discharge rates and cycle times. The cyclic charge and discharge control unit adopts current feedback control and advanced battery management system to ensure the stability of the charge and discharge process; The stability monitoring unit uses a high-speed temperature sensor to monitor the battery surface temperature in real time, adopts an adaptive temperature control algorithm to ensure the stability of the test environment, and integrates a high-frequency current and voltage sampling system to monitor the battery's electrochemical reaction dynamics to ensure the accuracy of the cycle stability test; The fault detection alarm unit uses current and voltage anomaly detection algorithms to detect abnormal conditions during battery testing in real time and trigger the alarm system. At the same time, it integrates an automatic power-off protection system to protect the battery from potential dangers. The cycle stability test module is also designed with a cycle life test module, which is used to simulate and test the battery cycle life in real time; The cycle life test module includes: high-speed cycle charge and discharge unit, data acquisition and analysis unit and temperature control monitoring unit; The high-speed cycle charge and discharge unit integrates a high-frequency charge and discharge system, which simulates the high-intensity use of the battery through high-frequency charge and discharge. It adopts advanced battery cycle life test algorithms and controls the current and temperature to extend the test time to ensure the authenticity of the test. The data acquisition and analysis unit uses a high-speed data acquisition card and an embedded real-time data processor to collect a large amount of data in real time and perform real-time analysis through a deep learning algorithm. The integrated cycle life model simulates and predicts the test results to improve the prediction accuracy. The temperature control monitoring unit uses an adaptive temperature control algorithm to monitor the battery temperature in real time, and dynamically adjusts the current and temperature to ensure that the battery temperature during the test is within a reasonable range; The test mechanism is also designed with a battery safety test module, which is connected to the control monitoring module through a data signal line, and is used to perform safety performance tests on the battery; The battery safety test module includes: a short circuit test unit, an overcharge test unit and an over-discharge test unit; The short-circuit test unit integrates a high-speed short-circuit detection system, which simulates battery short-circuit conditions through rapid power-off and current monitoring, and uses circuit breaker technology to quickly cut off the battery short circuit; The overcharge test unit is equipped with an advanced battery overcharge protection system. It simulates battery overcharge conditions to observe the battery's reaction and behavior, and uses a battery overcharge protection algorithm to ensure that the battery will not be damaged by overcharge during the test. The over-discharge test unit integrates a battery over-discharge protection system. It simulates battery over-discharge conditions to observe the battery's reaction and behavior, and uses a battery over-discharge protection algorithm to ensure that the battery will not be damaged by over-discharge during the test. The cycle life test module is also designed with an efficiency test module, which is used to test and analyze the charge and discharge efficiency of the battery; The efficiency test module includes: charging efficiency test unit, discharging efficiency test unit and data analysis report unit; The charging efficiency test unit uses constant current charging technology combined with battery current characteristics to perform charging tests, and the integrated power analysis system monitors the power changes during battery charging in real time; The discharge power test unit is equipped with an advanced battery discharge control system. It performs discharge tests on the battery by simulating different load conditions and uses a high-precision power meter to monitor the power changes during the battery discharge process in real time. The data analysis report unit integrates data analysis software to generate detailed reports based on real-time analysis of efficiency test results through deep learning algorithms, and provides correlation analysis between efficiency and temperature, current and voltage to optimize battery operating conditions. The battery loading module is used to test and load the solid-state battery. The battery loading module is connected to the control and monitoring module through a data signal line; The battery loading module includes: a battery clamping device, a battery connecting device and a temperature control system; The battery clamping device adopts electromagnetic clamping technology to firmly clamp the battery through electromagnetic force to avoid physical clamps from damaging the battery. It also uses an adaptive clamping force control algorithm to automatically adjust the clamping force according to the battery specifications to ensure clamping safety and reliability. The battery connection device adopts a design that the spring pin is compatible with the battery polarity to ensure that the battery is connected to the test instrument correctly, and integrates capacitive contact technology to reduce contact resistance; The temperature control system adopts PID temperature control algorithm, and ensures the accurate and stable temperature of the battery during the test through real-time temperature measurement and feedback control system, and uses thermocouple sensors to monitor the battery surface temperature in real time.

2. An energy-saving solid-state battery testing mechanism according to claim 1, Features: The calculation formula of PID control algorithm is as follows: , where u(t) is the output of the controller, e(t) is the current error, and K p , K i , K d They are the adjustment coefficients of proportional, integral and differential respectively.

3. A testing method for an energy-saving solid-state battery testing mechanism, applicable to an energy-saving solid-state battery testing mechanism according to any one of claims 1 to 2, Features: The test method comprises the following steps: S1. Install the solid-state battery to be tested on the battery clamping device, ensure that it is firmly clamped, and use the battery connecting device to ensure that the battery is reliably connected to the test instrument; S2, start the current measurement unit and the voltage measurement unit, use a high-precision current sensor to measure the current of the battery in real time, use a current amplifier, adjust the measurement range according to the battery specifications and test requirements, use a high-precision voltage measurement chip to measure the voltage of the battery in real time, equip it with a voltage amplifier, and adjust the measurement range to adapt to the voltage change of the battery; S3, start the cycle stability test module, integrate the automatic cycle charge and discharge control system, use the programmable power supply, set the number and rate of cycle tests, equip with a high-precision temperature sensor to monitor the battery temperature in real time, and use a high-frequency current and voltage sampling system to monitor the electrochemical reaction dynamics of the battery; S4. Start the power analysis system to monitor the power changes during the battery charging and discharging process in real time, analyze the power curve, peak power, and average power parameters, evaluate the battery performance, use the cycle life model to simulate and predict the results of the cycle stability test, and evaluate the battery durability based on the life predicted by the model.

4. The testing method of an energy-saving solid-state battery testing mechanism according to claim 3, Features: The test method further comprises the following steps: S11, start the temperature control system, control the temperature of the battery near the set value, use the PID temperature control algorithm to monitor and adjust the temperature in real time to ensure the temperature stability; S21, using a data acquisition and processing unit to collect current and voltage data in real time, and applying a real-time data processing algorithm to filter, correct and store the collected data; S31, integrated fault detection system, real-time monitoring of abnormal conditions during the test process, equipped with alarm devices, timely response and recording of abnormal events; S41. Use data analysis software to conduct in-depth analysis of current, voltage, and temperature parameters and generate test result reports, including performance indicators, curve graphs, and trend analysis.