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Lithium iron phosphate battery self-rescue system and method

A lithium iron phosphate battery and battery pack technology, applied in the field of power devices, can solve the problems of inadequate operation and maintenance management, lack of accurate and rigorous operation and maintenance early warning, operation and maintenance monitoring and operation and maintenance protection measures, and hidden dangers of battery pack operation safety.

Pending Publication Date: 2021-04-30
JINZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1
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AI Technical Summary

Problems solved by technology

Although some lithium iron phosphate battery packs have a detection system, they do not have a self-rescue system, which leads to the phenomenon that the operation and maintenance management of the system is not in place, and there is a lack of accurate and rigorous operation and maintenance early warning, operation and maintenance monitoring and operation and maintenance protection measures. Bring safety hazards to the operation of the battery pack

Method used

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  • Lithium iron phosphate battery self-rescue system and method
  • Lithium iron phosphate battery self-rescue system and method
  • Lithium iron phosphate battery self-rescue system and method

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Embodiment Construction

[0025]In order to deepen the understanding of the present invention, the present invention will be further detailed in connection with the examples and drawings.

[0026]Such asFigure 1 ~ 4As shown in the present embodiment, a lithium iron phosphate battery self-rescue system includes a charging unit 1, a power source 2, an upper machine 3, a control unit 4, a switch matrix unit 5, a backup battery 6, analog-to-digital conversion unit 7, a battery. Group 8, voltage sampling unit 9, current sampling unit 10 and temperature sensor 11; wherein the battery pack 8 is composed of a plurality of phosphate monomer batteries to be connected in series; the charging unit 1 receives the mains, pass The rectification is converted to direct current to the power supply 2 power supply; the power source 2 is powered by the control unit 4, the switch matrix unit 5, and analog to digital conversion unit 7, and is charged for the backup battery 6; the backup battery 6 is phosphoric acid Iron lithium monom...

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Abstract

The invention discloses a lithium iron phosphate battery self-rescue system and method. The lithium iron phosphate battery self-rescue system comprises a charging unit, a power supply, an upper computer, a control unit, a switch matrix unit, a standby battery, an analog-to-digital conversion unit, a battery pack, a voltage sampling unit, a current sampling unit and a temperature sensor. By applying the lithium iron phosphate battery self-rescue system and method provided by the invention, the charge and operation states of the battery can be predicted according to parameters such as battery voltage, current and temperature detected in real time, the operation state of the battery can be judged, the battery pack can be self-rescued when a single battery breaks down, and a faulty battery can be replaced with the standby battery. Comprehensive depth perception of a transformer substation direct-current battery pack system can be realized, accurate and rigorous operation and maintenance protection measures are provided, stable operation of the battery pack is ensured, and power supply safety is ensured.

Description

Technical field[0001]The present invention relates to the field of power devices, and more particularly to a lithium iron phosphate battery self-help system and method.Background technique[0002]Lead-acid batteries have been widely used, but the current resource in my country is in short supply, and the reserves of existing lead resources are only 6-8 years, which affects the development of lead-acid battery industry. The market share of the future lead-acid battery will be reduced. The lithium-ion battery has the advantages of high volume weight, high voltage, low self-discharge rate, no memory effect, and long cycle life, is a secondary energy battery of "green environmental protection". Therefore, the lithium ion battery replaces the lead-acid battery will be a new trend in the future development. The monitoring management system of conventional battery packs is usually only for lead-acid batteries, while the detection system for lithium iron phosphate battery packs is relatively ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J9/06H01M10/42
CPCH02J7/0024H02J7/00309H02J9/061H01M10/42H01M10/4285Y02E60/10
Inventor 邱鹏魏凯刘云松潘月明韩锦刚
Owner JINZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY
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