LS Electric has filed a patent for a temperature measurement device in an energy storage device with multiple power device modules. The device includes optical fiber cables with sensing spots spaced at regular intervals and cable fixing units between modules. The design allows for accurate temperature monitoring. GlobalData’s report on LS Electric gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Data Insights LS Electric Co Ltd - Company Profile

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According to GlobalData’s company profile on LS Electric, Battery management systems was a key innovation area identified from patents. LS Electric's grant share as of January 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.

Temperature measurement device for energy storage devices with power modules

Source: United States Patent and Trademark Office (USPTO). Credit: LS Electric Co Ltd

The patent application (Publication Number: US20240035904A1) describes a temperature measurement device integrated into an energy storage device with multiple power device modules arranged in stages. The device includes an optical fiber cable with sensing spots for temperature measurement, spaced at predetermined intervals. Cable fixing units are placed between the power device modules to secure the optical fiber cable. The cable consists of inner sections fixed between stages and an outer section connecting the inner sections in series, with a length greater than the unit spacing.

Additionally, the temperature measurement device includes a controller to visualize temperature data from the sensing spots as a graph displayed on a screen. The outer section of the optical fiber cable is positioned next to the outermost power device module in a stage, with a curled portion overlapping the module's surface. The curvature radius of the curled portion is specified to be at least 20 times the cable's diameter. The energy storage device, incorporating the temperature measurement device, features a rack with power device modules, optical fiber cable with sensing spots, and cable fixing units. Hooks on the rack secure the outer section of the cable, which includes curled portions overlapping the front or rear surfaces of power device modules in a stage. The power device modules in this context refer to battery modules.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.