Battery noise testing device

• Main Author: YANG QUANLONG
• Format: Patent
• Language: Chinese; English
• Published: 19.11.2019
• Subjects: MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention provides a battery noise testing device, which comprises a low-noise pre-amplifier module, a programmable gain amplifier module, a programmable filter module, an acquisition card module,a data processing module, a control unit module, an isolation circuit module and a low-noise discharge circuit module. The battery noise testing device has the beneficial effects as follows: the battery noise testing device has a simple structure, good stability and high precision; mutual radiation interference between the functional modules is reduced, and the accuracy of the test result is improved; and the battery noise testing device detects the noise of a battery in different working modes, so as to evaluate the performance of the battery and obtain an optimal working mode. 本发明提供了一种电池噪声测试装置，包括低噪声前置放大器模块、程控增益放大器模块、程控滤波器模块、采集卡模块、数据处理模块、控制单元模块、隔离电路模块、低噪声放电电路模块，本发明的有益效果在于：电池噪声测试装置结构简单、稳定性好、精度高；有效降低了功能模块之间的相互辐射干扰，提高测试结果的准确度；电池噪声测试装置检测不同工作模式下电池的噪声，以评估电池的性能及获取最佳的工作模式。