# US 11,909,012 B2 · High-voltage apparatus and vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,012 B2 - Document ID: US11909012B2 - Status: Granted - Kind: B2 - Application number: 16/991,206 - Filed: 2020-08-12 - Published: 2021-02-25 - Granted: 2024-02-20 - Earliest claimed: 2019-08-20 - Assignees: Honda Motor Co., Ltd. - Applicants: Honda Motor Co., Ltd. - Inventors: Kazuto Yamane; Yoshimichi Tsubata; Tomohiro Higaki; Hiroshi Kosaka - Web page: https://patentgrep.com/patent/US11909012B2 ## 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) - B60K 1/04: of the electric storage means for propulsion - G01M 3/04: by detecting the presence of fluid at the leakage point - G01M 3/16: using electric detection means ({G01M3/045,} G01M3/06, G01M3/12, G01M3/20, G01M3/24, G01M3/26 take precedence) - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - H01M 50/20: Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders (structural combination of accumulators with charging apparatus H01M10/46) - H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells - H01M 50/242: adapted for protecting batteries against vibrations, collision impact or swelling - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - H01M 50/289: characterised by spacing elements or positioning means within frames, racks or packs (spacing elements inside cells other than separators, membranes or diaphragms H01M50/471) - 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) - B60K 2001/0416: {Arrangement in the rear part of the vehicle} - B60Y 2410/10: Housings - 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 - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - G01M: TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A high-voltage apparatus includes a battery unit, a case that includes a circumferential wall section in which a cable insertion port that opens sideways is formed and that is configured to accommodate the battery unit, and a water detection sensor that is disposed at a portion located adjacent to the circumferential wall section below the cable insertion port inside the case and that is configured to detect water that has entered the case. ## Claims ### Claim 1 A high-voltage apparatus comprising: a battery unit; a case that includes a lid section, an accommodating section, and a wall section disposed between the lid section and the accommodating section, wherein the accommodating section is located to collect liquid that has entered the case, wherein the wall section comprises an opening section that opens into the case, wherein the wall section is configured to accommodate the battery unit, and wherein the opening section opens, between the lid section and the accommodating section, in a direction towards the lid section or wherein the opening section opens, between the lid section and the accommodating section, in a direction initially inward into the accommodating section or outward from the accommodating section; and a liquid detection sensor that is configured to detect liquid that enters the case, wherein the liquid detection sensor is disposed at a sensor portion of the case located adjacent to the wall section and below the opening section inside the case, and wherein a cable extending from the liquid detection sensor slackens first downward from the liquid detection sensor, towards the accommodating section, and then extends upward towards the lid section. ### Claim 2 (depends on 1) The high-voltage apparatus according to claim 1, wherein the battery unit comprises: a battery module in which a plurality of battery cells are stacked in a first direction; and a frame member that is configured to surround the battery module and that holds the battery module, and a lower end position of the liquid detection sensor, lower towards the accommodating section than the lid section, is disposed above a lowest end, being lower towards the accommodating section than towards the lid section, of the frame member and below a lowest end, being lower towards the accommodating section than towards the lid section, of the battery module. ### Claim 3 (depends on 1) The high-voltage apparatus according to claim 1, wherein the liquid detection sensor is disposed between the wall section of the case and the battery unit, and a shock absorbing member extending toward the wall section further than the liquid detection sensor is provided on the battery unit. ### Claim 4 (depends on 1) The high-voltage apparatus according to claim 1, wherein the case comprises: a bottom wall section disposed below the battery unit at a side of the battery unit opposite the lid section; and the wall section that extends upward, in a direction towards the lid section, from an outer circumferential edge of the bottom wall section and that surrounds the battery unit along a side of the battery unit, and wherein a liquid reservoir is formed on the bottom wall section, and the liquid detection sensor is disposed at least partially within the liquid reservoir. ### Claim 5 (depends on 1) The high-voltage apparatus according to claim 1, mounted at a vehicle, wherein the liquid detection sensor is disposed further forward in the vehicle with respect to the battery unit at inside the case. ### Claim 6 (depends on 5) The high-voltage apparatus according to claim 5, wherein the liquid detection sensor is disposed in a central section of the case in a vehicle width direction of the vehicle. ### Claim 7 (depends on 5) The high-voltage apparatus according to claim 5, wherein the high-voltage apparatus is disposed in a lower space of a luggage compartment defined behind a seat of the vehicle. ### Claim 8 (depends on 3) The high-voltage apparatus according to claim 3, wherein the shock absorbing member is disposed at a position adjacent to the liquid detection sensor in the vehicle width direction of a vehicle at which the high-voltage apparatus is mounted. ### Claim 9 (depends on 8) The high-voltage apparatus according to claim 8, wherein, with respect to the liquid detection sensor in the vehicle width direction, the shock absorbing member is disposed at a side opposite to a side in which the opening section is provided.