# US 11,309,605 B2 · High voltage battery rack > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,309,605 B2 - Document ID: US11309605B2 - Status: Granted - Kind: B2 - Application number: 16/394,778 - Filed: 2019-04-25 - Published: 2019-10-31 - Granted: 2022-04-19 - Earliest claimed: 2018-04-26 - Assignees: SK Innovation Co., Ltd. - Applicants: SK Innovation Co., Ltd. - Inventors: Dae Won Kwon; Yong Uk Kim - Web page: https://patentgrep.com/patent/US11309605B2 ## CPC - H01M 10/48: Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte (constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569) - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/296: characterised by terminals of battery packs (terminals of batteries H01M50/543) - H01M 50/503: characterised by the shape of the interconnectors - H01M 50/581: in response to temperature - H01M 50/583: in response to current, e.g. fuses - H01M 2010/4271: {Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing} - H01M 2200/103: Fuse - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The present invention provides a high voltage battery rack, including: a plurality of battery modules electrically connected with each other; and a rack controller configured to control the plurality of battery modules, wherein each of the plurality of battery modules comprises: external terminals; and an MSD module configured to determine whether a voltage is applied to the external terminals during operation. ## Claims ### Claim 1 A high voltage battery rack, comprising: a plurality of battery modules electrically connected with each other, wherein each of the plurality of battery modules comprises: external terminals; and an MSD (Manual Service Device) module configured to determine whether a voltage of the plurality of battery modules is applied to the external terminals during operation, wherein one end of the MSD module is connected to the plurality of battery modules and another end of the MSD module is connected to one of the external terminals, wherein each of the plurality of battery modules comprises a plurality of battery cells stacked on each other, wherein each of the plurality of battery modules comprises a cell connection unit which electrically connects the plurality of battery cells with each other, and wherein the cell connection unit comprises a fusing bus bar, the fusing bus bar including a rupture part having an opening formed in at least a portion thereof, and when a short-circuit occurs of the plurality of battery modules, the rupture part is ruptured. ### Claim 2 (depends on 1) The high voltage battery rack according to claim 1, wherein the MSD module is manually operated by a user. ### Claim 3 (depends on 1) The high voltage battery rack according to claim 1, wherein the MSD module is exposed to an outside of the plurality of battery modules. ### Claim 4 (depends on 1) The high voltage battery rack according to claim 1, further comprising: a rack controller configured to control the plurality of battery modules, wherein the rack controller includes contactors which connects the plurality of battery modules and thean external device to form a current path therebetween. ### Claim 5 (depends on 4) The high voltage battery rack according to claim 4, wherein, when the MSD module breaks the voltage applied to the external terminals, the contractors of the rack controller break the current path between the plurality of battery modules and the external device. ### Claim 6 (depends on 1) The high voltage battery rack according to claim 1, wherein each of the plurality of battery modules further comprises a fusing bus bar cover made of an insulation material and located at an outer surface of the fusing bus bar. ### Claim 7 (depends on 1) The high voltage battery rack according to claim 1, wherein each of the plurality of battery modules further comprises a rear cover member located at an outermost side of the fusing bus bar, and the rear cover member includes an opening part formed therein to confirm a state of the fusing bus bar from an outside and prevent a second short-circuit. ### Claim 8 (depends on 1) The high voltage battery rack according to claim 1, wherein a cell cover member is disposed between the fusing bus bar and the plurality of battery cells to protect the plurality of battery cells from a rupture of the fusing bus bar. ### Claim 9 (depends on 1) The high voltage battery rack according to claim 1, wherein the fusing bus bar and each of the plurality of battery modules arei located in a direction in which the plurality of battery cells are stacked in the plurality of battery modules. ### Claim 10 (depends on 1) The high voltage battery rack according to claim 1, further comprising: a rack controller configured to control the plurality of battery modules, wherein the rack controller comprises a rack fuse located on a current path between the plurality of battery modules and an external device.