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Embedded miniaturized intelligent multi-sensing system for power lithium battery

A lithium battery, embedded technology, applied in the field of embedded miniaturized intelligent multi-sensing system, can solve the problems of low accuracy and obvious information hysteresis, and achieve the effect of overcoming the hysteresis and improving the level of intelligence

Active Publication Date: 2022-04-15
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As mentioned above, because the existing scheme collects the external temperature and electrical signal of the monomer, the information hysteresis is obvious and the accuracy is low, and it is often impossible to carry out judgment and early warning in time

Method used

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  • Embedded miniaturized intelligent multi-sensing system for power lithium battery
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  • Embedded miniaturized intelligent multi-sensing system for power lithium battery

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] Such as Figure 1-2 As shown, the embedded miniaturized intelligent multi-sensing system facing the power lithium battery of the present invention adopts a system-in-package (SIP, System In Package), and will include each module: a temperature sensor for detecting the real-time temperature of the battery 3, detecting The pressure sensor 2 for the power level inside the battery, the gas sensor 4 for detecting the concentration of the target gas released during the working process of the battery, and the readout circuit chip 1 are packaged in a package, and gold wires 5 are used between the chips inside the package to complete Wire bonding realizes electrical signal transmission...

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Abstract

The invention discloses an embedded miniaturized intelligent multi-sensing system oriented to a power lithium battery, which includes a temperature sensor, a pressure sensor, a gas sensor and a readout circuit chip packaged in a tube shell by adopting system-level packaging technology. The temperature sensor, the pressure sensor, the gas sensor and the readout circuit chip are bonded to each other with gold wires to realize electrical signal transmission; the temperature sensor, the pressure sensor and the gas sensor are connected to the readout circuit through the switch module The chips are connected, and the switch module can input the input signal to the readout circuit chip according to a predetermined selectivity. By designing an embedded miniaturized intelligent multi-sensing system inside the original power lithium battery unit, the present invention can timely and accurately obtain various state information inside the power battery unit, and use this as a basis to carry out information processing to complete index prediction.

Description

technical field [0001] The invention relates to the technical field of lithium battery detection, in particular to an embedded miniaturized intelligent multi-sensing system for power lithium batteries. Background technique [0002] At present, while using lithium batteries, they will be equipped with battery management systems to monitor and manage lithium battery packs. The battery management system takes the power lithium battery pack as the core. By detecting the external temperature, current and voltage of the power battery pack, and then using the lithium battery model and algorithm, the power lithium battery's state of charge, health status, remaining service life, etc. are obtained. Indicators form the basis for security assessment and manage and balance based on this. However, the existing battery management system does not respond in time when a danger occurs, and cannot realize early warning and take effective measures. The main reason is that the data used by the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/42H01M10/48H01M10/0525
CPCY02E60/10
Inventor 赵毅强李尧叶茂王佩瑶夏显召
Owner TIANJIN UNIV
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