# US 12,224,413 B2 · Storage battery device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,413 B2 - Document ID: US12224413B2 - Status: Granted - Kind: B2 - Application number: 17/607,934 - Filed: 2020-04-17 - Published: 2022-10-06 - Granted: 2025-02-11 - Earliest claimed: 2019-05-09 - Assignees: Kabushiki Kaisha Toshiba; Toshiba Infrastructure Systems & Solutions Corporation - Applicants: Kabushiki Kaisha Toshiba; Toshiba Infrastructure Systems & Solutions Corporation - Inventors: Atsumi Kondo; Osamu Yamazaki; Keizo Hagiwara - Web page: https://patentgrep.com/patent/US12224413B2 ## CPC - H01M 10/486: {for measuring temperature} - G01K 7/00: Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat (giving results other than momentary value of temperature G01K3/00) {; Power supply therefor, e.g. using thermoelectric elements} - 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 10/482: {for several batteries or cells simultaneously or sequentially} - H01M 10/6554: Rods or plates - H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells - H01M 50/207: characterised by their shape - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/213: adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence) - H01M 50/569: Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals (battery terminal connectors with integrated measuring arrangements G01R31/364) - H02H 5/04: responsive to abnormal temperature {(specially adapted for electric machines H02H7/0852)} - H02J 7/50: acting upon multiple batteries simultaneously or sequentially - H02J 7/61: against overcharge - H02J 7/65: against overtemperature - H02J 7/663: {using battery or load disconnect circuits (H02J9/002 takes precedence)} - H02J 7/80: including monitoring or indicating arrangements - Y02E 60/10: Energy storage using batteries - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - G01K: MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J5/00) - H02H: EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS (indicating or signalling undesired working conditions G01R, e.g. G01R31/00, G08B; locating faults along lines G01R31/08; emergency protective devices H01H) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A storage battery device including a housing, battery packs, and a heat detection member having a linear structure. The battery packs are accommodated in the housing. The battery packs are electrically connectable to each other. The heat detection member has a heat detection function and continuously extends while making thermal contact with a member located near bottom surfaces of the battery packs. ## Claims ### Claim 1 A storage battery device comprising: a housing; battery packs accommodated in the housing and electrically connectable to each other; and a heat detection member having a heat detection function and having a linear structure continuously extending while making thermal contact with a member located near bottom surfaces of the battery packs, the member being connected to ground potential via the housing, the heat detection member including a part spaced apart from the battery packs while extending along the battery packs. ### Claim 2 (depends on 1) The storage battery device according to claim 1, further comprising a shelf board on which the battery packs are placed, the shelf board being connected to ground potential via the housing, wherein the heat detection member includes a line continuously extending near the battery packs on a surface of the shelf board. ### Claim 3 (depends on 1) The storage battery device according to claim 1, further comprising: shelf boards on each of which battery packs are placed, the shelf boards being connected to ground potential via the housing; and a partition plate making contact with a side surface of each of the shelf boards, wherein the heat detection member includes a line continuously extending near side surfaces of the shelf boards on a surface of the partition plate. ### Claim 4 (depends on 1) The storage battery device according to claim 1, further comprising: shelf boards on each of which battery packs are placed, the shelf boards being arranged in a planar direction and being connected to ground potential via the housing; and a partition plate making contact with a side surface of each of the shelf boards, the partition plate being placed between the shelf boards in plan view, wherein the heat detection member includes a line extending over the shelf boards through the partition plate and continuously extending near the battery packs on a surface of each of the shelf boards. ### Claim 5 (depends on 1) The storage battery device according to claim 1, further comprising shelf boards on each of which battery packs are placed, the shelf boards being arranged in a height direction and being connected to ground potential via the housing, wherein the heat detection member includes a line extending over the shelf boards and continuously extending near the battery packs on a surface of each of the shelf boards. ### Claim 6 (depends on 1) The storage battery device according to claim 1, wherein the battery packs are grouped into branches, and the heat detection member includes lines corresponding to the branches, each of the lines continuously extending while making thermal contact with a member located near the corresponding battery packs in the corresponding branch. ### Claim 7 (depends on 6) The storage battery device according to claim 6, further comprising: an output line electrically connected between the battery packs and an output node; and switches corresponding to the branches, each of the switches electrically connecting the output line and the corresponding branch. ### Claim 8 (depends on 1) The storage battery device according to claim 1, further comprising a resistive element, wherein the heat detection member includes two signal lines whose one ends are connected to each other via the resistive element and the other ends are applied a bias voltage, and an insulating coating configured to electrically insulate the two signal lines from each other, the insulating coating including a heat-meltable resin whose melting temperature corresponds to a predetermined detection temperature. ### Claim 9 (depends on 8) The storage battery device according to claim 8, further comprising: a voltmeter configured to measure a potential difference between the other ends of the two signal lines, and a control circuit configured to detect increase in temperature based on a measurement result of the voltmeter and the predetermined detection temperature.