# US 2024/0200998 A1 · Method, system, and medium for monitoring ultrasonic metering based on smart gas internet of things > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0200998 A1 - Document ID: US20240200998A1 - Status: Published application - Kind: A1 - Application number: 18/587,909 - Filed: 2024-02-26 - Published: 2024-06-20 - Earliest claimed: 2023-05-30 - Assignees: Chengdu Qinchuan Iot Technology Co., Ltd. - Applicants: Chengdu Qinchuan Iot Technology Co., Ltd. - Inventors: Zehua SHAO; Yaqiang QUAN; Junyan ZHOU; Feng WANG - Web page: https://patentgrep.com/patent/US20240200998A1 ## CPC - G01F 15/046: {involving digital counting} - G01F 1/66: by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters - G01F 15/063: using electrical means - Y02P 90/02: Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS] - G01F: MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract The embodiments of the present disclosure provide a method and system for monitoring ultrasonic metering based on smart gas Internet of Things implemented based on a system for monitoring ultrasonic metering, the system includes a smart gas user platform, a smart gas service platform, a smart gas device management platform, a smart gas sensor network platform, and a smart gas object platform that are connected in sequence. The method includes: in response to a query instruction issued by the smart gas user platform, obtaining target monitoring data at a target time point, a first monitoring data sequence within a first preset time period, and a second preset time period within a second preset time period; judging whether the target monitoring data being interference data through an interference data determination model; and in response to the target monitoring data being the interference data, performing interference processing on the interference data. ## Claims ### Claim 1 A method for monitoring ultrasonic metering based on smart gas Internet of Things, wherein the method is implemented based on a system for monitoring ultrasonic metering, the system includes a smart gas user platform, a smart gas service platform, a smart gas device management platform, a smart gas sensor network platform, and a smart gas object platform that are connected in sequence, and the method is executed by the smart gas device management platform, comprising: in response to a query instruction issued by the smart gas user platform, obtaining target monitoring data at a target time point, a first monitoring data sequence within a first preset time period, and a second preset time period within a second preset time period from the smart gas object platform, the monitoring data including at least one of a gas transportation feature and an environmental feature; wherein the query instruction is sent to the smart gas object platform via the smart gas sensor network platform; judging, based on the first monitoring data sequence, the second monitoring data sequence, the target monitoring data, a set of first time points of the first monitoring data sequence and an interference confidence level of each first time point, a set of second time points of the second monitoring data sequence and an interference confidence level of each second time point, and the target time point of the target monitoring data and an interference confidence level of the target time point, whether the target monitoring data being interference data through an interference data determination model, and the interference data determination model being a machine learning model; and in response to the target monitoring data being the interference data, performing interference processing on the interference data. ### Claim 2 (depends on 1) The method according to claim 1, wherein a training process of the interference data determination model includes: obtaining a large number of second training samples with second labels, each of the second training samples including a sample first monitoring data sequence, a sample second monitoring data sequence, sample target monitoring data, a set of first time points of the sample first monitoring data sequence and an interference confidence level of each first time point, a set of second time points of the sample second monitoring data sequence and an interference confidence level of each second time point, a target time point of the sample target monitoring data, and an interference confidence level of the target time point, and each of the second labels being whether the sample target monitoring data is the interference data; and obtaining, based on the large number of second training samples with second labels, a trained interference data determination model. ### Claim 3 (depends on 1) The method according to claim 1, wherein the interference confidence level is determined by a process including: selecting, from the first monitoring data sequence, the second monitoring data sequence, and the target monitoring data, a first count of the monitoring data at different time points as baseline data and a second count of the monitoring data at different time points as data to be assessed, respectively; and determining an interference confidence level of acquired time points corresponding to the data to be assessed through a confidence level determination model, wherein the confidence level determination model is a trained machine learning model. ### Claim 4 (depends on 1) The method according to claim 1, further comprising: determining a first preset condition based on a gas pipeline feature obtained from an external database, wherein the first preset condition refers to a judgment condition for evaluating whether a flow compensation is required; obtaining the gas transportation feature and the environmental feature based on at least one sensor; determining a compensation scheme based on a gas transportation feature and an environmental feature after the interference processing and the first preset condition, wherein the compensation scheme includes at least one of a flow rate compensation coefficient, a flow compensation parameter, a temperature compensation coefficient, or a pressure compensation coefficient; and sending the compensation scheme to an ultrasonic metering device and controlling the ultrasonic metering device to determine updated flow metering data according to the compensation scheme. ### Claim 5 (depends on 4) The method according to claim 4, wherein the compensation scheme is determined by a process including: in response to the gas transportation feature and the environmental feature after the interference processing meeting the first preset condition, determining the compensation scheme to be the flow rate compensation coefficient; and in response to the gas transportation feature and the environmental feature after the interference processing not meeting the first preset condition, determining the compensation scheme to be a combination of the flow rate compensation coefficient and the flow compensation parameter. ### Claim 6 (depends on 4) The method according to claim 4, wherein the flow compensation parameter includes a first flow compensation parameter and a second flow compensation parameter; the determining a compensation scheme based on a gas transportation feature and an environmental feature after the interference processing and the first preset condition further includes: in response to the gas transportation feature and the environmental feature after the interference processing not satisfying the first preset condition, determining temperature stratification data; determining the compensation scheme based on the temperature stratification data and a second preset condition, wherein the second preset condition refers to a judgment condition for determining content contained in the compensation scheme; and in response to the temperature stratification data satisfying the second preset condition, determining the compensation scheme as a combination of the first flow compensation parameter and the flow rate compensation coefficient; or in response to the temperature stratification data not satisfying the second preset condition, determining the compensation scheme as a combination of the second flow compensation parameter and the flow rate compensation coefficient. ### Claim 7 (depends on 4) The method according to claim 4, wherein the gas transportation feature includes at least one of a gas flow rate, a gas temperature, or a gas pressure, and the environmental feature includes at least one of an environmental temperature or an environmental pressure; the determining a compensation scheme based on a gas transportation feature and an environmental feature after the interference processing and the first preset condition includes: calculating the flow rate compensation coefficient according to a preset algorithm based on the gas flow rate, the environmental temperature, and the gas temperature. ### Claim 8 (depends on 6) The method according to claim 6, further comprising: determining the temperature stratification data through a temperature stratification prediction model based on a gas pipeline feature, a gas transportation feature, and an environmental feature at a current time point, and the temperature stratification prediction model being a machine learning model; and in response to the gas transportation feature and the environmental feature satisfying a third preset condition, determining the second flow compensation parameter based on the temperature stratification data using a second parameter determination model, the second parameter determination model being a trained machine learning model. ### Claim 9 (depends on 8) The method according to claim 8, wherein in response to an interference confidence level of the current time point being greater than a confidence level threshold, an input of the temperature stratification prediction model includes at least one of a gas pipeline feature, a gas transportation feature, or an environmental feature at a historical time point. ### Claim 10 (depends on 8) The method according to claim 8, wherein the temperature stratification prediction model is obtained through joint training with the second parameter determination model, and each of training samples includes a sample gas pipeline feature, a sample gas transportation feature, and a sample environment feature, each of labels includes a historical second flow compensation parameter corresponding to the training sample; and a process of the joint training includes: inputting the training samples with the labels into an initial temperature stratification prediction model; inputting an output of the initial temperature stratification prediction model into an initial second parameter determination model; constructing a loss function based on an output the initial second parameter determination model and the labels, and iteratively update parameters of the initial temperature stratification prediction model and the initial second parameter determination model based on the loss function until a preset condition is met to obtain a trained temperature stratification prediction model and a trained second parameter determination model, wherein the preset condition includes that the loss function is less than a threshold, converges, or a training period reaches a threshold. ### Claim 11 (depends on 8) The method according to claim 8, wherein the determining the second flow compensation parameter based on the temperature stratification data using a second parameter determination model further includes: obtaining a preset time period based on a vector database; determining at least one reference compensation parameter according to monitoring data at at least one time point within the preset time period; and determining the second flow compensation parameter based on the at least one reference compensation parameter. ### Claim 12 A system for monitoring ultrasonic metering based on smart gas Internet of Things, wherein the system includes a smart gas user platform, a smart gas service platform, a smart gas device management platform, a smart gas sensor network platform, and a smart gas object platform that are connected in sequence; the smart gas user platform is configured to send a query instruction of parameter management information of a gas device to the smart gas device management platform through the smart gas service platform; the smart gas device management platform is configured to: in response to a query instruction issued by the smart gas user platform, obtain target monitoring data at a target time point, a first monitoring data sequence within a first preset time period, and a second preset time period within a second preset time period from the smart gas object platform, the monitoring data including at least one of a gas transportation feature and an environmental feature; wherein the query instruction is sent to the smart gas object platform via the smart gas sensor network platform; judge, based on the first monitoring data sequence, the second monitoring data sequence, the target monitoring data, a set of first time points of the first monitoring data sequence and an interference confidence level of each first time point, a set of second time points of the second monitoring data sequence and an interference confidence level of each second time point, and the target time point of the target monitoring data and an interference confidence level of the target time point, whether the target monitoring data being interference data through an interference data determination model, and the interference data determination model being a machine learning model; and in response to the target monitoring data being the interference data, perform interference processing on the interference data. ### Claim 13 (depends on 12) The system according to claim 12, wherein a training process of the interference data determination model includes: obtaining a large number of second training samples with second labels, each of the second training samples including a sample first monitoring data sequence, a sample second monitoring data sequence, sample target monitoring data, a set of first time points of the sample first monitoring data sequence and an interference confidence level of each first time point, a set of second time points of the sample second monitoring data sequence and an interference confidence level of each second time point, a target time point of the sample target monitoring data, and an interference confidence level of the target time point, and each of the second labels being whether the sample target monitoring data is the interference data; and obtaining, based on the large number of second training samples with second labels, a trained interference data determination model. ### Claim 14 (depends on 12) The system according to claim 12, wherein the smart gas device management platform is further configured to: select, from the first monitoring data sequence, the second monitoring data sequence, and the target monitoring data, a first count of the monitoring data at different time points as baseline data and a second count of the monitoring data at different time points as data to be assessed, respectively; and determine an interference confidence level of acquired time points corresponding to the data to be assessed through a confidence level determination model, wherein the confidence level determination model is a trained machine learning model. ### Claim 15 (depends on 12) The system according to claim 12, wherein the smart gas device management platform is further configured to: determine a first preset condition based on a gas pipeline feature obtained from an external database, wherein the first preset condition refers to a judgment condition for evaluating whether a flow compensation is required; obtain the gas transportation feature and the environmental feature based on at least one sensor; determine a compensation scheme based on a gas transportation feature and an environmental feature after the interference processing and the first preset condition, wherein the compensation scheme includes at least one of a flow rate compensation coefficient, a flow compensation parameter, a temperature compensation coefficient, or a pressure compensation coefficient; and send the compensation scheme to an ultrasonic metering device and control the ultrasonic metering device to determine updated flow metering data according to the compensation scheme. ### Claim 16 (depends on 15) The system according to claim 15, wherein the smart gas device management platform is further configured to: in response to the gas transportation feature and the environmental feature after the interference processing meeting the first preset condition, determine the compensation scheme to be the flow rate compensation coefficient; and in response to the gas transportation feature and the environmental feature after the interference processing not meeting the first preset condition, determine the compensation scheme to be a combination of the flow rate compensation coefficient and the flow compensation parameter. ### Claim 17 (depends on 15) The system according to claim 15, wherein the flow compensation parameter includes a first flow compensation parameter and a second flow compensation parameter; and the smart gas device management platform is further configured to: in response to the gas transportation feature and the environmental feature after the interference processing not satisfying the first preset condition, determine temperature stratification data; determine the compensation scheme based on the temperature stratification data and a second preset condition, wherein the second preset condition refers to a judgment condition for determining content contained in the compensation scheme; and in response to the temperature stratification data satisfying the second preset condition, determine the compensation scheme as a combination of the first flow compensation parameter and a flow rate compensation coefficient; or in response to the temperature stratification data not satisfying the second preset condition, determine the compensation scheme as a combination of the second flow compensation parameter and the flow rate compensation coefficient. ### Claim 18 (depends on 15) The system according to claim 15, wherein the gas transportation feature includes at least one of a gas flow rate, a gas temperature, or a gas pressure, and the environmental feature includes at least one of an environmental temperature or an environmental pressure; and the smart gas device management platform is further configured to: calculate the flow rate compensation coefficient according to a preset algorithm based on the gas flow rate, the environmental temperature, and the gas temperature. ### Claim 19 (depends on 17) The system according to claim 17, wherein the smart gas device management platform is further configured to: determine the temperature stratification data through a temperature stratification prediction model based on a gas pipeline feature, a gas transportation feature, and an environmental feature at a current time point, and the temperature stratification prediction model is a machine learning model; and in response to the gas transportation feature and the environmental feature satisfying a third preset condition, determine the second flow compensation parameter based on the temperature stratification data using a second parameter determination model, the second parameter determination model being a trained machine learning model. ### Claim 20 (depends on 1) A computer-readable non-transitory storage medium storing computer instructions, wherein a computer operates a method for monitoring ultrasonic metering based on smart gas Internet of Things according to claim 1 when reading the computer instructions.