# US 12,222,398 B2 · Sensing apparatus and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,222,398 B2 - Document ID: US12222398B2 - Status: Granted - Kind: B2 - Application number: 18/014,285 - Filed: 2021-11-03 - Published: 2023-08-10 - Granted: 2025-02-11 - Earliest claimed: 2020-11-03 - Assignees: LG Energy Solution, Ltd. - Applicants: LG Energy Solution, Ltd. - Inventors: Jung-Hyun Kwon - Web page: https://patentgrep.com/patent/US12222398B2 ## CPC - G01R 31/382: Arrangements for monitoring battery or accumulator variables, e.g. SoC - G01R 31/3835: involving only voltage measurements - 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) - H02J 7/40: characterised by the exchange of charge or discharge related data - H02J 7/751: {concerning the insertion or the connection of the batteries} - H02J 7/80: including monitoring or indicating arrangements - H02J 9/005: {using a power saving mode (for copiers G03G15/5004)} - G01R 31/371: with remote indication, e.g. on external chargers - H02J 2207/10: Control circuit supply, e.g. means for supplying power to the control circuit - Y02E 60/10: Energy storage using batteries - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - 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 ## Abstract Discussed is a sensing apparatus that can include a voltage measuring unit configured to measure a voltage of a battery when a power is supplied thereto, an environment information measuring unit configured to measure environment information for the battery when power is supplied thereto, a connector unit configured to output a first connection signal when connected to the battery and output a second connection signal when connected to an external battery management system (BMS), a power unit configured to supply power to at least one of the voltage measuring unit and the environment information measuring unit according to an operation mode, and a control unit configured to control the operation mode of the power unit based on which of the first connection signal and the second connection signal is received from the connector unit and residual amount information of the power unit. ## Claims ### Claim 1 A sensing apparatus, comprising: a voltage measuring unit configured to measure a voltage of a battery when power is supplied thereto; an environment information measuring unit configured to measure environment information for the battery when power is supplied thereto; a connector unit configured to output a first connection signal when being connected to the battery and output a second connection signal when being connected to an external battery management system (BMS); a power unit configured to supply power to at least one of the voltage measuring unit and the environment information measuring unit according to an operation mode; and a control unit configured to control the operation mode of the power unit based on which of the first connection signal and the second connection signal is received from the connector unit and residual amount information of the power unit, wherein the control unit is configured to control the operation mode of the power unit to a power supply mode or a sleep mode based on whether the first connection signal is received, whether the second connection signal is received, and the residual amount information. ### Claim 2 (depends on 1) The sensing apparatus according to claim 1, wherein the power supply mode is an operation mode in which power is supplied to at least one of the voltage measuring unit and the environment information measuring unit, and wherein the sleep mode is an operation mode in which power is not supplied to the voltage measuring unit and the environment information measuring unit. ### Claim 3 (depends on 2) The sensing apparatus according to claim 2, wherein the control unit is configured to check a residual amount of the power unit, when the control unit receives at least one of the first connection signal and the second connection signal. ### Claim 4 (depends on 2) The sensing apparatus according to claim 2, wherein the control unit is configured to control the operation mode of the power unit to a first power supply mode so that power is supplied to the environment information measuring unit, when the control unit receives the first connection signal and the second connection signal, and when the residual amount of the power unit is equal to or greater than a preset threshold value. ### Claim 5 (depends on 2) The sensing apparatus according to claim 2, wherein the control unit is configured to control the operation mode of the power unit to a second power supply mode so that power is supplied to the voltage measuring unit and the environment information measuring unit, when the control unit receives only the first connection signal, and when the residual amount of the power unit is equal to or greater than a preset threshold value. ### Claim 6 (depends on 2) The sensing apparatus according to claim 2, wherein the control unit is configured to control the operation mode of the power unit to the sleep mode, when the residual amount of the power unit is less than a preset threshold value. ### Claim 7 (depends on 6) The sensing apparatus according to claim 6, wherein the control unit is configured to connect a power path from the voltage measuring unit and the environment information measuring unit to the battery so that the voltage measuring unit and the environment information measuring unit are supplied with power from the battery, when the control unit receives only the first connection signal and controls the operation mode of the power unit to the sleep mode. ### Claim 8 (depends on 7) The sensing apparatus according to claim 7, wherein the control unit is configured to control the operation mode of the power unit to the power supply mode, when the residual amount of the power unit is recovered to the preset threshold value or more. ### Claim 9 (depends on 8) The sensing apparatus according to claim 8, wherein the control unit is configured to block the power path, when the operation mode of the power unit is the power supply mode and the power path is connected. ### Claim 10 (depends on 1) The sensing apparatus according to claim 1, further comprising: a communication unit configured to receive a communication packet from outside at every predetermined cycle, wherein the control unit is configured to select an available communication network by checking the communication packet, and output the voltage information about the voltage of the battery measured by the voltage measuring unit and the environment information measured by the environment information measuring unit along the communication network through the communication unit. ### Claim 11 (depends on 1) The sensing apparatus according to claim 1, wherein the environment information measuring unit is configured to measure at least one of temperature, humidity and a location of the battery. ### Claim 12 (depends on 1) A battery pack, comprising the sensing apparatus according to claim 1. ### Claim 13 A sensing method, comprising: a connection signal receiving operation of receiving at least one of a first connection signal representing whether a connector unit is connected to a battery and a second connection signal representing whether the connector unit is connected to an external battery management system (BMS); a power unit residual amount checking operation of checking a residual amount of a power unit, when at least one of the first connection signal and the second connection signal is received in the connection signal receiving operation; a power unit operation mode controlling operation of controlling an operation mode of the power unit based on at least one of the first connection signal and the second connection signal received in the connection signal receiving operation and the residual amount of the power unit to operate in a power supply mode or a sleep mode based on whether the first connection signal is received, whether the second connection signal is received, and the residual amount information; and a measuring operation of measuring at least one of a voltage of the battery and environment information for the battery according to the operation mode of the power unit. ### Claim 14 (depends on 13) The sensing method according to claim 13, wherein the power supply mode is an operation mode in which power is supplied to at least one of a voltage measuring unit that is configured to measure the voltage of the battery and the environment information measuring unit that is configured to measure the environmental information, and wherein the sleep mode is an operation mode in which power is not supplied to the voltage measuring unit and the environment information measuring unit.