High-voltage closed insulation type lithium ion storage battery pack structure for space navigation

Abstract

The invention provides a high-voltage closed insulation type lithium ion storage battery pack structure for space navigation. The structure comprises lithium ion storage battery cells, a box body, aninclined wedge-shaped plate, an insulating plate, a Bypass bracket, an electric connector, Bypasses, a liquid cooling plate and a ventilation shielding box. The structure is characterized in that 48 lithium ion storage battery cells form 200V high-voltage modules, and four high-voltage modules are connected in series to realize 800V high-voltage output; the cells in the high-voltage modules are isolated from structural members to ensure electrical insulation; each Bypass performs the switching of eight battery cells, so that the open circuit condition of the cells can be handled; the child andmother groove type design between the structural members can realize a closed design, and can effectively attenuate electromagnetic radiation; the inclined wedge-shaped plate achieves the purpose ofstrengthening the structural strength while continuously adjusting the internal pre-tightening force of a battery pack; the ventilation shielding box integrates the functions of exhausting and shielding electromagnetic radiation; and the liquid cooling plate can realize active control of the temperature of the battery pack. The structure mode provided by the invention is easy to assemble, the output voltage is high, high-rate current discharge can be realized, and the temperature consistency is better.

Description

technical field [0001] The invention relates to the field of space power supplies, in particular to a structure of a high-voltage sealed and insulated lithium-ion storage battery pack for aerospace. Background technique [0002] Lithium-ion battery products are widely used in the aerospace field, such as the aerospace industry, as an energy storage device for aircraft, which plays a huge role in the long-term stable operation of spacecraft. [0003] With the development of the industry, the traditional aerospace lithium-ion battery packs cannot meet new demands due to their own limitations, mainly as follows: [0004] 1. Traditional aerospace lithium-ion battery packs are only suitable for high-voltage buses below 100V, and cannot be used in higher voltage environments; [0005] 2. The traditional exposed structure cannot effectively resist electromagnetic radiation; [0006] 3. Traditional thermal control cannot realize active temperature control of battery packs; [000...

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a high-voltage sealed and insulated lithium-ion battery pack structure for aerospace, which can solve the problem that traditional lithium-ion batteries for aerospace cannot be used in high-voltage insulation environments

Images