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On-board lithium-ion battery system

A lithium-ion and storage battery technology, applied in the field of storage battery systems, can solve the problems of heavy weight, poor safety and reliability, and high maintenance costs of onboard emergency backup power supplies, and achieve consistent power consumption, long service life, high power density and energy density Effect

Active Publication Date: 2017-09-15
武汉中原长江科技发展有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a long service life, no memory effect, rechargeable Fast, maintenance-free and low self-discharge on-board lithium-ion battery system

Method used

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Embodiment Construction

[0020] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0021] The airborne lithium ion battery pack of the present invention, such as figure 1 As shown, 1 is a single battery, 2 is a single battery pole, 3 is a connection bar for single battery series, 4 is a heating cloth, 5 is a battery management system, 6 is a power socket, 7 is a communication socket, 8 It is the battery management system signal acquisition connector, 9 is the battery pack shell, 10 is the temperature sensor, and 11 is the voltage acquisition and equalization charging current transmission terminal.

[0022] The battery charger of the present invention, such as figure 2 As show...

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Abstract

The invention discloses an onboard lithium ion battery system. The onboard lithium ion battery system comprises a lithium ion battery pack and a battery charger, wherein the lithium ion battery pack is connected with the battery charger through a power socket and a communication socket; the lithium ion battery pack comprises a plurality of series-wound single batteries and a heating device; the lithium ion battery pack further comprises a voltage monitoring module, a current monitoring module, an equilibrium control module, a first control module and a first breaker; the battery charger comprises a series-wound charging power module, a heating power module, a total voltage monitoring module, a second control module, a second breaker, a third breaker and a DC / DC converter. The onboard lithium ion battery system can well guarantee the safety of the lithium ion battery pack.

Description

Technical field [0001] The invention relates to a storage battery system, in particular to an airborne lithium ion storage battery system. Background technique [0002] The emergency backup power supply used in the aviation field is mainly lead-acid batteries and cadmium-nickel battery packs. With the continuous improvement of aircraft tactical technical indicators, the weight, volume and discharge rate of the current battery packs are difficult to meet the requirements, which seriously restricts each The tactical and technical indicators of this kind of aerospace vehicle have been further improved. In addition, due to the memory effect of nickel-cadmium batteries, complex maintenance procedures, and short service life, they have a greater impact on the maintenance efficiency and cost of the aircraft. [0003] Due to the advantages of high working voltage, high power density and energy density, long service life, no memory effect, fast charging speed, wide operating temperature ra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCH02J7/0026
Inventor 吴际良黄代文李惠余克清
Owner 武汉中原长江科技发展有限公司