CN-119942739-B - Space coupling-based transmission line deep foundation pit environment safety situation awareness method and device, storage medium and terminal

CN119942739BCN 119942739 BCN119942739 BCN 119942739BCN-119942739-B

Abstract

The invention provides a power transmission line deep foundation pit environment safety situation sensing method and device based on space coupling, a storage medium and a terminal, wherein the method comprises the steps of obtaining vital sign parameters of an operator, obtaining environment gas concentrations, environment temperatures and environment humidity of all mixed gases and environment monitoring nodes, obtaining distances between the operator and each mixed gas and environment monitoring node, obtaining gas concentrations corresponding to positions of the operator based on all the environment gas concentrations and corresponding distances to serve as the operation gas concentrations, inputting the vital sign parameters and the operation gas concentrations of the operator into a vital sign prediction model to predict so as to obtain vital sign parameters after being influenced by gas, and comparing the vital sign parameters and normal ranges of the vital sign parameters after being influenced by gas so as to output risk early warning signals. The invention can improve the safety of operators in the deep foundation pit environment of the power transmission line.

Inventors

LU FANGLIN
WANG WENRUI
WU BO
JIANG SHAN
WANG ZHENMING
MAO JIA
MA NA
YU JIANFENG

Assignees

中国科学院上海高等研究院

Dates

Publication Date: 20260512
Application Date: 20250124

Claims (9)

1. A power transmission line deep foundation pit environment security situation awareness method based on spatial coupling comprises the following steps: Acquiring vital sign parameters of operators, and acquiring the concentration of the environmental gas, the environmental temperature and the environmental humidity of all the mixed gas and the environmental monitoring node; Acquiring the distance between the operator and each mixed gas and environment monitoring node, and acquiring the gas concentration corresponding to the position of the operator based on all the environment gas concentrations and the corresponding distances to serve as the operation gas concentration; inputting the vital sign parameters of the operators and the concentration of the working gas into a vital sign prediction model for prediction so as to obtain vital sign parameters affected by the gas; Comparing the vital sign parameters after being influenced by the gas with the normal range of the vital sign parameters to output a risk early warning signal; Wherein the types of vital sign parameters of the worker include heart rate, blood oxygen saturation and respiration rate; the vital sign prediction model includes: ; ; ; Wherein, the Representing the predicted value of the heart rate, Represents the predicted value of the blood oxygen saturation, A predicted value of the breathing rate is indicated, Indicating a safety gas concentration threshold value, The heart rate is indicated as such, Represents the saturation level of blood oxygen and, Indicating the rate of respiration, Representing working gas concentration, and alpha, beta and gamma represent fitting coefficients in the vital sign prediction model.
2. The method of claim 1, wherein obtaining the gas concentration corresponding to the location of the operator as the working gas concentration based on all of the ambient gas concentrations and the corresponding distances comprises: ; Wherein, the Represent the first The concentration of the mixed gas and the environmental gas at the environmental monitoring node, Represent the first The distance between the mixed gas and environment monitoring nodes and operators, K represents a preset interpolation parameter, Indicating the working gas concentration.
3. The method of claim 1, wherein the step of determining the position of the substrate comprises, Acquiring the gas concentration corresponding to the position of the worker based on all the ambient gas concentrations and the corresponding distances includes: Acquiring initial gas concentrations corresponding to the positions of the operators based on all the ambient gas concentrations and the corresponding distances; Correcting the initial gas concentration to obtain the corrected gas concentration as the gas concentration corresponding to the position of the operator; Correcting the initial gas concentration includes: ; ; Wherein, the The concentration of the gas after correction is indicated, Indicating the initial gas concentration of the gas, The temperature is indicated as a function of the temperature, The humidity is indicated by the expression of humidity, 、、、 The correction coefficient is represented by a number of coefficients, A temperature safety threshold value is indicated, Indicating a humidity safety threshold.
4. The method of claim 1, wherein the step of determining the position of the substrate comprises, Comparing the vital sign parameter after being affected by the gas with a normal range of vital sign parameters to output a risk warning signal comprises: Calculating different types of vital sign parameters and normal ranges of the vital sign parameters after being influenced by the gas so as to obtain corresponding variation deviating from the normal ranges; acquiring a weighted sum of all variation amounts deviating from a normal range as a risk value; And comparing the risk value with a preset risk threshold, and outputting a risk early warning signal if the risk value exceeds the preset risk threshold.
5. The method of claim 4, wherein the step of determining the position of the first electrode is performed, The advance of the output risk early warning signal is: ; Wherein, the Representing the value of the risk, Representing a preset risk threshold value of the risk, Representing the rate of change of the risk value over time, Indicating the advance.
6. The method of claim 4, wherein the step of determining the position of the first electrode is performed, If the risk value is between the first risk threshold value and the second risk threshold value, outputting a risk early warning signal of low risk early warning; If the risk value is between the second risk threshold value and the third risk threshold value, outputting a risk early warning signal of the middle risk early warning; if the risk value is between the third risk threshold and the fourth risk threshold, outputting a risk early warning signal of high risk early warning; The type of the preset risk threshold comprises the first risk threshold, the second risk threshold, the third risk threshold and the fourth risk threshold which are sequentially increased, and the type of the risk early warning signal comprises the low risk early warning, the medium risk early warning and the high risk early warning.
7. A power transmission line deep foundation pit environment safety situation sensing device based on space coupling comprises: the data acquisition module is used for acquiring vital sign parameters of operators and acquiring the concentration of the environmental gas, the environmental temperature and the environmental humidity of all the mixed gas and the environmental monitoring node; The concentration calculation module is used for obtaining the distance between the operator and each mixed gas and environment monitoring node, and obtaining the gas concentration corresponding to the position of the operator based on all the environment gas concentrations and the corresponding distances to be used as the working gas concentration; the vital sign prediction module is used for inputting vital sign parameters of the operators and the concentration of the working gas into the vital sign prediction model for prediction so as to obtain the vital sign parameters affected by the gas; The risk early warning module is used for comparing the vital sign parameters after being influenced by the gas with the normal range of the vital sign parameters so as to output a risk early warning signal; Wherein the types of vital sign parameters of the worker include heart rate, blood oxygen saturation and respiration rate; the vital sign prediction model includes: ; ; ; Wherein, the Representing the predicted value of the heart rate, Represents the predicted value of the blood oxygen saturation, A predicted value of the breathing rate is indicated, Indicating a safety gas concentration threshold value, The heart rate is indicated as such, Represents the saturation level of blood oxygen and, Indicating the rate of respiration, Representing working gas concentration, and alpha, beta and gamma represent fitting coefficients in the vital sign prediction model.
8. A storage medium having stored thereon a computer program, which when executed by a processor, implements the spatial coupling based transmission line deep foundation pit environmental security situation awareness method of any one of claims 1 to 6.
9. A terminal, characterized by comprising a processor and a memory, wherein the memory is in communication connection with the processor, the memory is used for storing a computer program, and the processor is used for executing the computer program stored in the memory, so that the terminal executes the power transmission line deep foundation pit environment safety situation awareness method based on spatial coupling according to any one of claims 1 to 6.

Description

Space coupling-based transmission line deep foundation pit environment safety situation awareness method and device, storage medium and terminal Technical Field The invention belongs to the technical field of power transmission line operation safety and environment monitoring, relates to a power transmission line deep foundation pit environment safety situation awareness method based on space coupling, and particularly relates to a power transmission line deep foundation pit environment safety situation awareness method and device based on space coupling, a storage medium and a terminal. Background In the process of maintaining and constructing a power transmission line, the underground operation of a deep foundation pit is an unavoidable key task. Such operations typically involve confined spaces such as transmission line deep foundation pits, transmission line galleries, and cable wells. Due to the underground nature of these environments, tightness and ventilation difficulties can pose a threat to the safety of the operators. For example, oxygen starvation and toxic and harmful gas accumulation are common safety hazards. Such complex underground work environments place higher demands on monitoring and safety management. However, the prior art mainly relies on single gas detection equipment or local environmental parameter monitoring means, which cannot provide comprehensive environmental information, and also cannot effectively evaluate the comprehensive risk of operators. This limitation results in a failure to discover life-threatening environmental changes in time, severely restricting the improvement of safety protection capability. Disclosure of Invention The invention aims to provide a space coupling-based power transmission line deep foundation pit environment safety situation sensing method and device, a storage medium and a terminal, which are used for solving the technical problems of insufficient environment safety monitoring and low safety protection capability in the prior art. In a first aspect, the invention provides a method for sensing environmental security situation of a deep foundation pit of a power transmission line based on spatial coupling, which comprises the following steps: Acquiring vital sign parameters of operators, and acquiring the concentration of the environmental gas, the environmental temperature and the environmental humidity of all the mixed gas and the environmental monitoring node; Acquiring the distance between the operator and each mixed gas and environment monitoring node, and acquiring the gas concentration corresponding to the position of the operator based on all the environment gas concentrations and the corresponding distances to serve as the operation gas concentration; inputting the vital sign parameters of the operators and the concentration of the working gas into a vital sign prediction model for prediction so as to obtain vital sign parameters affected by the gas; Comparing the vital sign parameters after being influenced by the gas with the normal range of the vital sign parameters to output a risk early warning signal; wherein the types of vital sign parameters of the worker include heart rate, blood oxygen saturation and respiration rate. In an embodiment of the present invention, obtaining the gas concentration corresponding to the position of the operator as the working gas concentration based on all the ambient gas concentrations and the corresponding distances includes: Wherein, C i (t) represents the concentration of the ith mixed gas and the environmental gas of the environmental monitoring node, d i represents the distance between the ith mixed gas and the environmental monitoring node and the operator, K represents the preset interpolation parameter, and C p (t) represents the concentration of the working gas. In one embodiment of the invention, the vital sign prediction model comprises: RRpred(t+Δt)＝αRR·ln(1+βRR·CP(t))+γRR·RR(t) Wherein HR pred (t+Δt) represents a heart rate predicted value, spO pred (t+Δt) represents a blood oxygen saturation predicted value, RR pred (t+Δt) represents a respiratory rate predicted value, C 0 represents a safe gas concentration threshold, HR (t) represents a heart rate, spO (t) represents a blood oxygen saturation, RR (t) represents a respiratory rate, C p (t) represents a working gas concentration, and α, β, γ represent fitting coefficients in the vital sign prediction model. In one embodiment of the present invention, Acquiring the gas concentration corresponding to the position of the worker based on all the ambient gas concentrations and the corresponding distances includes: Acquiring initial gas concentrations corresponding to the positions of the operators based on all the ambient gas concentrations and the corresponding distances; Correcting the initial gas concentration to obtain the corrected gas concentration as the gas concentration corresponding to the position of the operator; Correcting the in