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Energy storage power station battery management system having intelligent fire early-warning function and early-warning method

A technology of battery management system and fire warning, which is applied in the direction of secondary battery, secondary battery repair/maintenance, circuit, etc. It can solve the problems of secondary damage, pollution, and inability to achieve graded early warning of the energy storage system, so as to reduce investment cost, ensuring monitoring efficiency, and reducing the number of sensors

Active Publication Date: 2019-09-20
NARI TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the BMS of energy storage power station mainly adopts the solution of electric vehicle battery management, lacks detailed analysis of the demand for large-scale energy storage power station batteries, and energy storage power station batteries are usually placed outdoors in containers, with large capacity and high risk of thermal runaway , Difficult to control, etc. At present, most of the fire extinguishing systems configured in battery containers of energy storage power stations are still building fire protection schemes, which cannot achieve functions such as hierarchical early warning. They can only spray relevant fire extinguishing media when a fire occurs, which may cause secondary damage to the energy storage system. or pollution

Method used

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  • Energy storage power station battery management system having intelligent fire early-warning function and early-warning method
  • Energy storage power station battery management system having intelligent fire early-warning function and early-warning method
  • Energy storage power station battery management system having intelligent fire early-warning function and early-warning method

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Embodiment Construction

[0016] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings. It should be understood that the embodiments provided below are only intended to disclose the present invention in detail and completely, and fully convey the technical concept of the present invention to those skilled in the art. The present invention can also be implemented in many different forms, and does not Limited to the embodiments described herein. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention.

[0017] refer to Figure 1-Figure 2 , taking a 24-foot standard energy storage container as an example, the energy storage batteries have a capacity of 1MWh*2 and are distributed on both sides of the container. In the embodiment, a lithium iron phosphate battery is used, the battery cell parameter is 3.2V / 72Ah, the battery box parameter is 38.4V / 11.06kWh (4P12S), the battery cluster parame...

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Abstract

The invention proposes an energy storage power station battery management system having an intelligent fire early-warning function and an early-warning method, which are applicable to management of a container-type energy storage power station. The system comprises a power battery pack, an intelligent fire early-warning module and a battery management module, wherein the battery management module is connected with the power battery pack and the intelligent fire early-warning module, the intelligent fire early-warning module is arranged in a pre-fabricated bind at a fixed point and is used for performing mobile sensing and detection, the detected sensor information is sent to the battery management module, the battery management module is used for acquiring a voltage and a temperature of the battery and analyzing and judgment by combining the sensor information transferred from the intelligent fire early-warning module, and warning or fire extinguishing device is started when a preset early-warning condition is met. The battery management system employs a three layer control framework, fire extinguishing can be performed within first time when a fire occurs, and by minimum unit interference control, omnibearing and safe monitoring and management of the energy storage battery are achieved.

Description

technical field [0001] The invention belongs to the field of energy storage power supply systems, and in particular relates to a lithium battery-based battery management system and an early warning method with an intelligent fire early warning function. Background technique [0002] The continuous development and application of new energy sources such as photovoltaics and wind power have made their penetration rate higher and higher, and the characteristics of traditional power systems are also constantly changing. In order to adapt to this change, deal with the problems of large fluctuations in new energy sources and unstable power supply, and further improve the reliability of power system operation, large-capacity energy storage technology is becoming increasingly important. In this context, the battery management system (Battery management system, BMS) of the energy storage power station is studied to explore how to make the battery pack of the energy storage power stati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42
CPCH01M10/4207H01M10/425H01M2010/4271Y02E60/10
Inventor 杨志宏杨冬梅余良辉王智季永超
Owner NARI TECH CO LTD
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