# US 12,222,291 B2 · Molecular probe-based safety prewarning and fault location system for electrochemical energy storage station > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,222,291 B2 - Document ID: US12222291B2 - Status: Granted - Kind: B2 - Application number: 17/617,574 - Filed: 2021-08-10 - Published: 2022-09-29 - Granted: 2025-02-11 - Earliest claimed: 2020-08-17 - Assignees: State Grid Jiangsu Electric Power Co., Ltd. Research Institute; State Grid Jiangsu Electric Power Co., Ltd.; State Grid Corporation of China - Applicants: State Grid Jiangsu Electric Power Co., Ltd. Research Institute; State Grid Jiangsu Electric Power Co., Ltd.; State Grid Corporation of China - Inventors: Peng Xiao; Jianjun Liu; Dongliang Guo; Liheng Yang - Web page: https://patentgrep.com/patent/US12222291B2 ## CPC - G01N 21/783: {for analysing gases} - G01R 31/36: Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - 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 10/488: {Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density} - 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 2010/4278: {Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller} - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - 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 ## Abstract A molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station includes a molecular probe label, a camera, and a host. The present disclosure realizes real-time safety prewarning of a fault of an electrochemical energy storage device based on a color change of a gas sensing region of the molecular probe label, and locates an abnormal electrochemical energy storage device based on a position marker region of the molecular probe label or a position of the camera on a slide rail when the camera is facing the molecular probe label. Operation and maintenance personnel of an energy storage station can obtain a prewarning signal in time and take a corresponding safety measure. The molecular probe technology is a drive-free technology with advantages of high sensitivity, low costs, and anti-interference. It has important application value for operation safety of a large-scale energy storage station. ## Claims ### Claim 1 A molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station, comprising a molecular probe label, a camera, and a host, wherein there are a plurality of molecular probe labels distributed in an electrochemical energy storage device group, and the molecular probe label is provided with a gas sensing region that can perform a specific reaction with a gas and generate a color change; the camera is configured to capture real-time image information of each molecular probe label and transmit the real-time image information to the host; and the host is configured to recognize an abnormal electrochemical energy storage device based on the real-time image information of the gas sensing region of the molecular probe label, and configured to recognize position information of the abnormal electrochemical energy storage device, and output an alarm signal and the position information of the abnormal electrochemical energy storage device; wherein the gas sensing region is provided with at least one specific reaction region, a surface of each specific reaction region is coated with a functional molecule that can perform a specific reaction with carbon monoxide or nitric oxide and generate a color change, and a time needed to generate the color change in the specific reaction is 1 second to 30 minutes. ### Claim 2 (depends on 1) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 1, wherein the molecular probe label is further provided with a position marker region for recording position information of an electrochemical energy storage device; and the host recognizes the position information of the abnormal electrochemical energy storage device based on an image of the position marker region. ### Claim 3 (depends on 2) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 2, wherein the position information, of the electrochemical energy storage device, recorded in the position marker region comprises a number of a specific prefabricated cabin of the electrochemical energy storage device in an energy storage station, a number of the electrochemical energy storage device group, and a number of the electrochemical energy storage device; and the position information is printed in the position marker region in a form of Chinese, English, a one-dimensional code, a two-dimensional code, or a digital number. ### Claim 4 (depends on 1) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 1, wherein the camera is secured on an inner wall of a prefabricated cabin. ### Claim 5 (depends on 1) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 1, wherein the camera is securely installed on a slide rail in a prefabricated cabin. ### Claim 6 (depends on 5) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 5, wherein the host is further configured to: recognize the position information of the abnormal electrochemical energy storage device based on a position of the camera on the slide rail when the camera is facing the molecular probe label. ### Claim 7 (depends on 4) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 4, wherein the camera is a visible light camera or a fluorescent camera, and the camera transmits the real-time image information of each molecular probe label to the host through wired communication or wireless communication. ### Claim 8 (depends on 1) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 1, wherein the host is specifically configured to: calculate a color change value of a surface of the gas sensing region of the molecular probe label by using one or more of an RGB color system, a YUV color system, and an HLS color system based on the real-time image information of the gas sensing region of the molecular probe label; compare the color change value with a preset threshold, and recognize a molecular probe label whose color change value exceeds the preset threshold; and determine, as the abnormal electrochemical energy storage device, an electrochemical energy storage device in a region in which the molecular probe label whose color change value exceeds the preset threshold is located. ### Claim 9 (depends on 1) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 1, wherein the electrochemical energy storage device group is constituted by electrochemical energy storage devices using an organic electrolyte. ### Claim 10 (depends on 9) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 9, wherein the electrochemical energy storage device group comprises: a battery cluster or battery pack composed of one or more of metal ion batteries such as a lithium-ion battery, a sodium-ion battery, an aluminum-ion battery, a potassium-ion battery, and a magnesium-ion battery; or a supercapacitor bank composed of one or two of metal-ion hybrid supercapacitors such as a lithium-ion hybrid supercapacitor and a potassium-ion hybrid supercapacitor. ### Claim 11 (depends on 5) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 5, wherein the camera is a visible light camera or a fluorescent camera, and the camera transmits the real-time image information of each molecular probe label to the host through wired communication or wireless communication. ### Claim 12 A molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station, comprising a molecular probe label, a camera, and a host, wherein there are a plurality of molecular probe labels distributed in an electrochemical energy storage device group, and the molecular probe label is provided with a gas sensing region that can perform a specific reaction with a gas and generate a color change; the camera is configured to capture real-time image information of each molecular probe label and transmit the real-time image information to the host; and the host is configured to recognize an abnormal electrochemical energy storage device based on the real-time image information of the gas sensing region of the molecular probe label, and configured to recognize position information of the abnormal electrochemical energy storage device, and output an alarm signal and the position information of the abnormal electrochemical energy storage device; wherein the camera is securely installed on a slide rail in a prefabricated cabin; wherein the host is further configured to: recognize the position information of the abnormal electrochemical energy storage device based on a position of the camera on the slide rail when the camera is facing the molecular probe label. ### Claim 13 (depends on 12) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 12, wherein the gas sensing region is provided with at least one specific reaction region, a surface of each specific reaction region is coated with a functional molecule that can perform a specific reaction with carbon monoxide or nitric oxide and generate a color change, and a time needed to generate the color change in the specific reaction is 1 second to 30 minutes. ### Claim 14 (depends on 12) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 12, wherein the molecular probe label is further provided with a position marker region for recording position information of an electrochemical energy storage device; and the host recognizes the position information of the abnormal electrochemical energy storage device based on an image of the position marker region. ### Claim 15 (depends on 14) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 14, wherein the position information, of the electrochemical energy storage device, recorded in the position marker region comprises a number of a specific prefabricated cabin of the electrochemical energy storage device in an energy storage station, a number of the electrochemical energy storage device group, and a number of the electrochemical energy storage device; and the position information is printed in the position marker region in a form of Chinese, English, a one-dimensional code, a two-dimensional code, or a digital number. ### Claim 16 (depends on 12) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 12, wherein the host is specifically configured to: calculate a color change value of a surface of the gas sensing region of the molecular probe label by using one or more of an RGB color system, a YUV color system, and an HLS color system based on the real-time image information of the gas sensing region of the molecular probe label; compare the color change value with a preset threshold, and recognize a molecular probe label whose color change value exceeds the preset threshold; and determine, as the abnormal electrochemical energy storage device, an electrochemical energy storage device in a region in which the molecular probe label whose color change value exceeds the preset threshold is located. ### Claim 17 (depends on 12) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 12, wherein the electrochemical energy storage device group is constituted by electrochemical energy storage devices using an organic electrolyte. ### Claim 18 (depends on 17) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 17, wherein the electrochemical energy storage device group comprises: a battery cluster or battery pack composed of one or more of metal ion batteries such as a lithium-ion battery, a sodium-ion battery, an aluminum-ion battery, a potassium-ion battery, and a magnesium-ion battery; or a supercapacitor bank composed of one or two of metal-ion hybrid supercapacitors such as a lithium-ion hybrid supercapacitor and a potassium-ion hybrid supercapacitor. ### Claim 19 (depends on 12) The molecular probe-based safety prewarning and fault location system for an electrochemical energy storage station according to claim 12, wherein the camera is a visible light camera or a fluorescent camera, and the camera transmits the real-time image information of each molecular probe label to the host through wired communication or wireless communication.