# US 12,181,859 B2 · Methods and internet of things systems for maintaining low-temperature pipeline based on smart gas

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- Number: US 12,181,859 B2
- Document ID: US12181859B2
- Status: Granted
- Kind: B2
- Application number: 18/150,183
- Filed: 2023-01-04
- Published: 2023-05-11
- Granted: 2024-12-31
- Earliest claimed: 2022-12-20
- Assignees: Chengdu Qinchuan Iot Technology Co., Ltd.
- Applicants: Chengdu Qinchuan Iot Technology Co., Ltd.
- Inventors: Zehua Shao; Haitang Xiang; Lei Zhang; Yong Li; Yongzeng Liang
- Web page: https://patentgrep.com/patent/US12181859B2

## CPC

- G05B 15/02: electric
- G05B 19/4155: characterised by program execution, i.e. part program or machine function execution, e.g. selection of a program
- G06Q 50/06: Energy or water supply
- G05B 2219/50333: Temperature
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)
- G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR

## Abstract

The embodiments of the present disclosure provide methods and Internet of Things systems for maintaining a low-temperature pipeline based on smart gas. The method may be implemented by a smart gas safety management platform of an Internet of Things system for maintaining the low-temperature pipeline based on smart gas. The method may include: obtaining gas data and pipeline data of each segment of a gas pipeline and weather data of a position of each segment of the gas pipeline; determining at least one target pipeline; determining icing data of the at least one target pipeline based on the gas data, the pipeline data, and the weather data; and generating a thawing instruction based on the icing data, and controlling a natural gas heating device to perform a thawing operation on the at least one target pipeline based on the thawing instruction.

## Claims

### Claim 1

A method for maintaining a low-temperature pipeline based on smart gas, implemented by a smart gas safety management platform of an Internet of Things system for maintaining the low-temperature pipeline based on smart gas, comprising:
obtaining gas data and pipeline data of each segment of a gas pipeline and weather data of a position of each segment of the gas pipeline;
determining at least one target pipeline;
determining icing data of the at least one target pipeline by processing the gas data, the pipeline data, and the weather data of the at least one target pipeline based on an icing prediction model, wherein the icing prediction model is a machine learning model;
generating a thawing instruction based on the icing data, including:
constructing an icing vector based on the icing data;
constructing at least one historical icing vector based on historical data of the at least one target pipeline, the historical data including historical icing data of the at least one target pipeline and a historical thawing instruction corresponding to the historical icing data;
determining a reference vector based on the icing vector and the at least one historical icing vector; and
generating the thawing instruction based on the reference vector;
controlling a natural gas heating device to perform a thawing operation on the at least one target pipeline based on the thawing instruction.

### Claim 2 (depends on 1)

The method for maintaining the low-temperature pipeline based on smart gas of claim 1, wherein the icing prediction model comprises a pipeline feature layer, a weather feature layer, and a prediction layer;
the pipeline feature layer is configured to determine a pipeline feature of the at least one target pipeline by processing the pipeline data;
the weather feature layer is configured to determine a weather feature of the at least one target pipeline by processing the weather data; and
the prediction layer is configured to determine the icing data of the at least one target pipeline by processing the gas data, the weather feature, and the pipeline feature.

### Claim 3 (depends on 1)

The method for maintaining the low-temperature pipeline based on smart gas of claim 1, further comprising:
obtaining gas flow data and natural gas temperature data of the at least one target pipeline during a thawing process;
determining a thawing time of the at least one target pipeline based on the icing data, the gas flow data, and the natural gas temperature data;
determining air pressure data of the at least one target pipeline based on the gas flow data and the natural gas temperature data; and
adjusting the thawing instruction based on the thawing time and the air pressure data.

### Claim 4 (depends on 3)

The method for maintaining the low-temperature pipeline based on smart gas of claim 3, wherein the determining a thawing time of the at least one target pipeline based on the icing data, the gas flow data, and the natural gas temperature data comprises:
determining the thawing time of the at least one target pipeline by processing the icing data, the gas flow data, and the natural gas temperature data based on a thawing prediction model, wherein the thawing prediction model is a machine learning model.

### Claim 5 (depends on 1)

The method for maintaining the low-temperature pipeline based on smart gas of claim 1, wherein the Internet of Things system for maintaining the low-temperature pipeline based on smart gas comprises a smart gas user platform, a smart gas service platform, a smart gas pipeline network device sensor network platform, and a smart gas pipeline network device object platform that interact in sequence, and the smart gas safety management platform comprises a smart gas pipeline network safety management sub-platform and a smart gas data center;
the smart gas data center obtains gas data and pipeline data of at least one gas pipeline and weather data of a position of the at least one gas pipeline through the smart gas pipeline network device sensor network platform, and sends the gas data and the pipeline data of the at least one gas pipeline and the weather data of the position of the at least one gas pipeline to the smart gas pipeline network safety management sub-platform, and the at least one gas pipeline is configured in the smart gas pipeline network device object platform; and
the method further comprises:
sending, by the smart gas pipeline network safety management sub-platform, the thawing instruction to the smart gas data center, and sending the thawing instruction to the smart gas pipeline network device object platform corresponding to the at least one target pipeline through the smart gas service platform.

### Claim 6

An Internet of Things system for maintaining a low-temperature pipeline based on smart gas, wherein the Internet of Things system comprises a smart gas user platform, a smart gas service platform, a smart gas safety management platform, a smart gas pipeline network device sensor network platform, and a smart gas pipeline network device object platform that interact in sequence, and the smart gas safety management platform comprises a smart gas pipeline network safety management sub-platform and a smart gas data center;
the smart gas data center obtains gas data and pipeline data of at least one gas pipeline and weather data of a position of the at least one gas pipeline through the smart gas pipeline network device sensor network platform, and sends the gas data and the pipeline data of the at least one gas pipeline and the weather data of the position of the at least one gas pipeline to the smart gas pipeline network safety management sub-platform, and the at least one gas pipeline is configured in the smart gas pipeline network device object platform; and
the smart gas safety management platform is configured to perform operations including:
obtaining gas data and pipeline data of the at least one gas pipeline, and the weather data of the position of the at least one gas pipeline,
determining at least one target pipeline;
determine icing data of the at least one target pipeline by processing the gas data, the pipeline data and the weather data of the at least one target pipeline based on an icing prediction model, wherein the icing prediction model is a machine learning model
generating a thawing instruction based on the icing data, including
constructing an icing vector based on the icing data;
constructing at least one historical icing vector based on historical data of the at least one target pipeline, wherein the historical data includes historical icing data of the at least one target pipeline and a historical thawing instruction corresponding to the historical icing data;
determining a reference vector based on the icing vector and the at least one historical icing vector; and
generating the thawing instruction based on the reference vector;
sending the thawing instruction to the smart gas data center, and sending the thawing instruction to the smart gas pipeline network device object platform corresponding to the target pipeline through the smart gas pipeline network device sensor network platform to control a natural gas heating device to perform a thawing operation on the at least one target pipeline, wherein the natural gas heating device is configured in the smart gas pipeline network device object platform.

### Claim 7 (depends on 6)

The Internet of Things system of claim 6, wherein the icing prediction model comprises a pipeline feature layer, a weather feature layer and a prediction layer;
the pipeline feature layer is configured to determine a pipeline feature of the at least one target pipeline by processing the pipeline data;
the weather feature layer is configured to determine a weather feature of the at least one target pipeline by processing the weather data; and
the prediction layer is configured to determine the icing data of the at least one target pipeline by processing the gas data, the weather feature and the pipeline feature.

### Claim 8 (depends on 6)

The Internet of Things system of claim 6, wherein the smart gas pipeline network safety management sub-platform is further configured to:
obtain gas flow data and natural gas temperature data of the at least one target pipeline during a thawing process;
determine a thawing time of the at least one target pipeline based on the icing data, the gas flow data, and the natural gas temperature data;
determine air pressure data of the at least one target pipeline based on the gas flow data and the natural gas temperature data; and
adjust the thawing instruction based on the thawing time and the air pressure data.

### Claim 9 (depends on 8)

The Internet of Things system of claim 8, wherein the smart gas pipeline network safety management sub-platform is further configured to:
determine the thawing time of the at least one target pipeline by processing the icing data, the gas flow data and the natural gas temperature data based on a thawing prediction model, wherein the thawing prediction model is a machine learning model.

### Claim 10 (depends on 1)

A non-transitory computer-readable storage medium storing computer instructions, wherein when the computer instructions are executed by a processor, the method for maintaining a low-temperature pipeline based on smart gas of claim 1 is implemented.