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Application points of infrared thermal imaging cameras in new energy batteries

2023-06-29 15:40

In recent years, my country has attached great importance to the development of new energy batteries. The country has continuously invested in theoretical research and original innovation of new energy batteries. Infrared thermal imaging technology is a high-tech with wide application. It integrates photoelectric imaging technology, computer technology, and image processing technology. All in one, it can accurately, real-time, and quickly display the temperature distribution of the surface of the object. Therefore, for the research and development, production, storage and recycling of new energy batteries, thermal imaging cameras have inherent advantages.

1. Temperature monitoring: The new energy battery will generate heat during operation, and the surface temperature distribution of the battery can be monitored in real time through an infrared thermal imaging camera. This is very useful for detecting the working status of the battery, finding abnormal temperature rise and hot spot problems. Through the monitoring and analysis of temperature changes, battery failure or overheating problems can be found in advance, and corresponding measures can be taken for maintenance and repair to ensure the safety and performance of the battery.

2. Fault diagnosis: The thermal imaging camera can detect possible fault points inside the battery, such as poor contact between battery cells, excessive discharge, etc. By observing infrared images, problem areas can be quickly located and targeted repairs and replacements can be performed to improve the reliability and stability of the battery system.

3. Thermal management: Thermal imaging cameras can help optimize thermal management strategies for battery systems. By monitoring the temperature distribution of the battery in real time, the heat dissipation system or thermal management measures can be adjusted to improve the heat dissipation effect of the battery, reduce the temperature gradient, reduce the risk of thermal runaway, and prolong the service life of the battery.

4. R&D and testing: In the R&D and testing process of new energy batteries, thermal imaging cameras can provide non-contact temperature measurement methods for evaluating battery performance of different designs and materials. By observing the thermal distribution and temperature changes of the battery, the battery structure, thermal management system and material selection can be optimized to improve the efficiency and cycle life of the battery.

5. Battery storage: At present, the raw materials, finished products and semi-finished products required for the production of new energy batteries are all combustibles, and are extremely sensitive to temperature changes. Under high temperature conditions, it is easy to cause the internal diaphragm to shrink and decompose, and the positive electrode material of the battery is heated. Spontaneous oxygen release reaction occurs, which can easily lead to fire and explosion accidents. The thermal imaging camera can comprehensively monitor the temperature of the battery storage for 24 hours, set the alarm threshold, temperature rise alarm, and over-temperature alarm.

In short, the application of thermal imaging cameras in new energy batteries can realize real-time monitoring of battery temperature, fault diagnosis, thermal management optimization, R&D testing and storage, and provide important support for the safety, reliability and performance of battery systems .