蓄电池内阻智能测试仪及测试钳

Intelligent test instrument and test clamp for internal resistance of storage battery

Abstract

本实用新型涉及一种蓄电池内阻智能测试仪及测试钳,用于与至少一个蓄电池连接测量该蓄电池的特性,其包括测量仪外壳、供电电源、显示屏、设置有功能电路的电路板,功能电路包括放电回路、电压检测电路,电压检测电路具有继电器回路,该蓄电池内阻智能测试仪及测试钳输入端反接有用于放电回路保护的二极管,该蓄电池智能测试仪能够在测试过程中提供输入极反接保护等多重保护,并通过在放电回路采用多个MOS并联,从而降低功耗,提高可靠性,该电池状态智能分析仪的测试钳的夹片具有设有锯齿状的夹齿的夹齿部和表面平滑的夹头部,便于与电极夹持并减小电阻,从而减小电阻增加测量的准确度。
The utility model relates to an intelligent test instrument and a test clamp for the internal resistance of a storage battery. The intelligent test instrument and the test clamp are connected with at least one storage battery so as to measure the characteristics of the storage battery. The test instrument and the test clamp comprise a test instrument casing, a power supply, a display screen, and a circuit board provided with a functional circuit; the functional circuit comprises a discharge loop and a voltage detection circuit, and the voltage detection circuit is provided with a relay loop; and the input ends of the intelligent test instrument and a test clamp for the internal resistance of a storage battery are in reverse connection with a diode used for discharge loop protection. The intelligent test instrument for a storage battery can provide multiple protection, such as input pole reverse connection protection and the like, in the test process, and adopts a plurality of MOSes connected in parallel in the discharge loop, thereby reducing power consumption and improving reliability; and clamping pieces of the test clamp of a battery state intelligent analyzer are provided with a clamping tooth part with jagged clamping teeth and a clamping head part with a smooth surface, so as to be conveniently clamped to electrodes and reduce resistance, thereby reducing the resistance and increasing measuring accuracy.

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