Molecular probe-based safety prewarning and fault location system for electrochemical energy storage station

Patent metadata

Field	Value
Publication number	US-12222291-B2
Application number	US-202117617574-A
Country	US
Kind code	B2
Filing date	Aug 10, 2021
Priority date	Aug 17, 2020
Publication date	Feb 11, 2025
Grant date	Feb 11, 2025

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.

First claim

The invention claimed is:

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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. 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.

11. 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.

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.

13. 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.

14. The molecular probe-based safety pr

Assignees

• State Grid Jiangsu Electric Power Co Ltd Res Institute
• State Grid Jiangsu Electric Power Co Ltd
• State Grid Corp China

Inventors

• Xiao Peng
• Liu Jianjun
• Guo Dongliang
• Yang Liheng

Classifications

• G01R31/36

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